/* roulang page: index */
:root {
            --bg-ink: #0A0F0D;
            --bg-ink-deep: #060B09;
            --bg-night: #121915;
            --bg-paper: #F5F2EC;
            --bg-card: #FFFFFF;
            --text-main: #1D2722;
            --text-light: #EFF7F2;
            --text-muted-ink: #7A8A81;
            --text-muted-light: #A6B8AE;
            --brand-lime: #C6F432;
            --brand-lime-dark: #9CD41A;
            --brand-coral: #FF6B3D;
            --line-dark: rgba(255, 255, 255, 0.12);
            --line-paper: rgba(0, 0, 0, 0.10);
            --ease: all .25s ease;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
            background: var(--bg-paper);
            color: var(--text-main);
            line-height: 1.85;
            overflow-x: hidden;
        }
        a,
        a:hover,
        a:focus {
            text-decoration: none;
            outline: none;
        }
        img {
            max-width: 100%;
            object-fit: cover;
        }
        .container-xl-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            position: relative;
        }
        .py-section {
            padding-top: 96px;
            padding-bottom: 96px;
        }
        .bg-ink {
            background: var(--bg-ink);
            color: var(--text-light);
        }
        .bg-paper {
            background: var(--bg-paper);
            color: var(--text-main);
        }
        .bg-night {
            background: var(--bg-night);
        }
        .brand-lime {
            color: var(--brand-lime) !important;
        }
        .text-light-c {
            color: var(--text-light) !important;
        }
        .text-muted-light-c {
            color: var(--text-muted-light) !important;
        }
        .text-muted-ink-c {
            color: var(--text-muted-ink) !important;
        }
        /* Buttons */
        .btn-brand-lime {
            background: var(--brand-lime);
            color: #111b16;
            border: 1px solid var(--brand-lime);
            border-radius: 999px;
            padding: 14px 28px;
            font-weight: 700;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--ease);
        }
        .btn-brand-lime:hover {
            background: var(--brand-lime-dark);
            color: #0b120e;
            transform: translateY(-2px);
            box-shadow: 0 10px 30px -8px rgba(198, 244, 50, .4);
        }
        .btn-ghost-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .22);
            color: var(--text-light);
            border-radius: 999px;
            padding: 13px 26px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--ease);
        }
        .btn-ghost-light:hover {
            border-color: var(--brand-lime);
            color: var(--brand-lime);
            transform: translateY(-2px);
        }
        .btn-outline-dark {
            background: transparent;
            border: 1px solid rgba(0, 0, 0, .18);
            border-radius: 999px;
            color: var(--text-main);
            padding: 12px 24px;
            font-weight: 600;
            display: inline-block;
        }
        .btn-outline-dark:hover {
            border-color: var(--text-main);
            background: var(--bg-card);
            transform: translateY(-2px);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--brand-lime);
            outline-offset: 3px;
        }
        /* Navbar */
        .nav-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(4, 10, 8, .28);
            backdrop-filter: blur(18px) saturate(160%);
            -webkit-backdrop-filter: blur(18px) saturate(160%);
            border-bottom: 1px solid rgba(255, 255, 255, .07);
            transition: var(--ease);
        }
        .nav-overlay.scrolled {
            background: rgba(7, 12, 10, .92);
            box-shadow: 0 8px 32px rgba(0, 0, 0, .22);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            padding: 8px 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 800;
            color: #f0f7f1;
            letter-spacing: .02em;
        }
        .brand-logo .brand-mark {
            width: 36px;
            height: 36px;
            background: var(--brand-lime);
            border-radius: 10px 4px 14px 4px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: #0b1410;
            font-weight: 1000;
            font-size: 18px;
            transform: skewX(-4deg);
        }
        .brand-logo small {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: rgba(255, 255, 255, .55);
            letter-spacing: .14em;
            margin-top: -2px;
        }
        .brand-logo .brand-text {
            line-height: 1.1;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .main-nav .nav-link {
            color: rgba(255, 255, 255, .82);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            background: transparent;
            border: 0;
            transition: var(--ease);
        }
        .main-nav .nav-link:hover {
            color: var(--brand-lime);
        }
        .main-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--brand-lime);
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--ease);
        }
        .main-nav .nav-link.active {
            color: var(--brand-lime);
        }
        .main-nav .nav-link.active::after,
        .main-nav .nav-link:hover::after {
            transform: scaleX(1);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .search-trigger {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 999px;
            padding: 9px 16px;
            color: rgba(255, 255, 255, .84);
            font-size: 14px;
            transition: var(--ease);
        }
        .search-trigger:hover {
            background: rgba(255, 255, 255, .14);
            color: white;
        }
        .nav-cta {
            background: var(--brand-lime);
            color: #101a13;
            border-radius: 999px;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 700;
            transition: var(--ease);
            border: 1px solid var(--brand-lime);
        }
        .nav-cta:hover {
            background: var(--brand-lime-dark);
            color: #0a120c;
            transform: translateY(-1px);
        }
        .nav-toggle-mobile {
            display: none;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .16);
            border-radius: 12px;
            padding: 10px 14px;
            color: white;
            font-size: 18px;
            line-height: 1;
        }
        @media (max-width: 1100px) {
            .main-nav,
            .nav-right {
                display: none;
            }
            .nav-toggle-mobile {
                display: inline-flex;
            }
        }
        /* Mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 280px;
            height: 100vh;
            background: #0a120d;
            z-index: 1200;
            padding: 24px;
            transition: right .35s ease;
            box-shadow: -12px 0 40px rgba(0, 0, 0, .35);
        }
        .mobile-drawer.open {
            right: 0;
        }
        .drawer-bg {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, .55);
            z-index: 1190;
            opacity: 0;
            pointer-events: none;
            transition: var(--ease);
        }
        .drawer-bg.show {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-drawer .close-drawer {
            border: 0;
            background: rgba(255, 255, 255, .08);
            color: white;
            border-radius: 10px;
            padding: 8px 12px;
            font-size: 16px;
            margin-bottom: 26px;
        }
        .mobile-drawer .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-drawer .drawer-nav a {
            color: rgba(255, 255, 255, .86);
            padding: 12px 8px;
            border-radius: 12px;
            font-size: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }
        .mobile-drawer .drawer-nav a:hover {
            color: var(--brand-lime);
            background: rgba(255, 255, 255, .03);
        }
        /* Hero */
        .home-hero {
            background: var(--bg-ink);
            min-height: 700px;
            padding-top: 150px;
            padding-bottom: 110px;
            position: relative;
            overflow: hidden;
            color: var(--text-light);
        }
        .home-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 15% 20%, rgba(198, 244, 50, .06), transparent 32%),
                radial-gradient(circle at 88% 78%, rgba(255, 107, 61, .05), transparent 34%),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: .72;
        }
        .home-hero .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 60px;
            align-items: center;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(198, 244, 50, .15);
            border: 1px solid rgba(198, 244, 50, .24);
            border-radius: 999px;
            padding: 8px 18px;
            color: var(--brand-lime);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .04em;
            margin-bottom: 24px;
        }
        .hero-title {
            font-size: clamp(2.5rem, 5.2vw, 4rem);
            font-weight: 900;
            line-height: 1.1;
            letter-spacing: .01em;
            color: white;
            margin-bottom: 20px;
        }
        .hero-desc {
            font-size: 16px;
            line-height: 1.85;
            color: rgba(255, 255, 255, .78);
            max-width: 520px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 46px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .hero-stat-badge {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            backdrop-filter: blur(10px);
            border-radius: 16px;
            padding: 14px 22px;
            min-width: 130px;
        }
        .hero-stat-badge .badge-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--brand-lime);
            font-variant-numeric: tabular-nums;
        }
        .hero-stat-badge .badge-label {
            font-size: 12px;
            color: rgba(255, 255, 255, .55);
            letter-spacing: .04em;
            margin-top: 2px;
        }
        .hero-visual {
            position: relative;
        }
        .hero-card-img {
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, .14);
            box-shadow: 0 30px 70px -20px rgba(0, 0, 0, .5);
            transform: rotate(1deg);
        }
        .hero-card-img img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            display: block;
        }
        .hero-mini-glass {
            position: absolute;
            bottom: -24px;
            left: 30px;
            right: 20px;
            background: rgba(12, 20, 15, .82);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, .15);
            border-radius: 18px;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: white;
            box-shadow: 0 12px 32px rgba(0, 0, 0, .25);
        }
        .hero-mini-glass .live-tag {
            background: var(--brand-coral);
            color: white;
            border-radius: 999px;
            font-size: 12px;
            padding: 4px 12px;
            font-weight: 700;
        }
        @media (max-width: 992px) {
            .home-hero {
                padding-top: 130px;
                padding-bottom: 100px;
                min-height: auto;
            }
            .home-hero .hero-inner {
                grid-template-columns: 1fr;
                gap: 64px;
            }
            .hero-card-img img {
                height: 300px;
            }
        }
        /* Ticker */
        .ticker-strip {
            background: var(--bg-night);
            color: #cddbd2;
            border-top: 1px solid rgba(255, 255, 255, .04);
            border-bottom: 1px solid rgba(255, 255, 255, .05);
            padding: 14px 0;
        }
        .ticker-strip .ticker-left {
            font-size: 13px;
            font-weight: 700;
            color: var(--brand-lime);
            border: 1px solid rgba(198, 244, 50, .3);
            background: rgba(198, 244, 50, .07);
            border-radius: 999px;
            padding: 5px 12px;
            white-space: nowrap;
        }
        .ticker-scroll {
            overflow: hidden;
            white-space: nowrap;
            font-size: 13px;
            max-width: 100%;
        }
        /* Story */
        .story-section {
            background: var(--bg-paper);
        }
        .section-label {
            display: inline-block;
            background: rgba(198, 244, 50, .3);
            color: #25301a;
            font-weight: 700;
            font-size: 13px;
            letter-spacing: .14em;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
        }
        .section-title {
            font-size: clamp(1.9rem, 3vw, 2.6rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 30px;
        }
        .story-media {
            border-radius: 24px;
            overflow: hidden;
            position: relative;
        }
        .story-media img {
            width: 100%;
            height: 480px;
            object-fit: cover;
            transition: var(--ease);
        }
        .story-quote {
            background: white;
            border-radius: 18px;
            padding: 20px 24px;
            box-shadow: 0 12px 40px -18px rgba(0, 0, 0, .12);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            margin-top: -24px;
            margin-left: 28px;
            position: relative;
            z-index: 2;
        }
        .story-quote .quote-mark {
            color: var(--brand-lime-dark);
            font-size: 30px;
            line-height: 1;
        }
        /* CMS list section */
        .news-section {
            background: #fff;
        }
        .latest-card-feature {
            border-radius: 20px;
            overflow: hidden;
            background: white;
            border: 1px solid rgba(0, 0, 0, .05);
            box-shadow: 0 10px 30px -12px rgba(0, 0, 0, .08);
            height: 100%;
            transition: var(--ease);
        }
        .latest-card-feature:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 45px -15px rgba(0, 0, 0, .15);
        }
        .feature-thumb {
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .feature-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--ease);
        }
        .latest-card-feature:hover .feature-thumb img {
            transform: scale(1.04);
        }
        .latest-card-title {
            font-weight: 700;
            font-size: 16px;
            line-height: 1.55;
            color: var(--text-main);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 50px;
            transition: var(--ease);
        }
        .latest-card-feature:hover .latest-card-title {
            color: #1D2722;
        }
        .meta-tag {
            background: rgba(198, 244, 50, .25);
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 12px;
            color: #2a3a1c;
            font-weight: 600;
        }
        .news-row-list {
            background: white;
            border-radius: 16px;
            border: 1px solid rgba(0, 0, 0, .06);
            padding: 0;
            transition: var(--ease);
        }
        .news-row-item {
            display: flex;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            border-bottom: 1px solid rgba(0, 0, 0, .05);
        }
        .news-row-item:last-child {
            border-bottom: none;
        }
        .news-row-content h4 {
            font-size: 15px;
            font-weight: 700;
            line-height: 1.4;
        }
        .news-row-content p {
            font-size: 13px;
            color: #738178;
            margin: 5px 0 6px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .empty-dashed {
            border: 2px dashed rgba(0, 0, 0, .12);
            border-radius: 24px;
            padding: 56px 24px;
            text-align: center;
            color: #6f7d74;
            background: rgba(0, 0, 0, .012);
        }
        /* Category cards */
        .category-showcase {
            background: var(--bg-paper);
        }
        .cat-feature-card {
            border-radius: 24px;
            overflow: hidden;
            position: relative;
            min-height: 320px;
            background: var(--bg-ink);
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            padding: 26px;
            transition: var(--ease);
        }
        .cat-feature-card::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0) 30%, rgba(0, 0, 0, .82) 100%);
        }
        .cat-feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 18px 40px rgba(0, 0, 0, .3);
        }
        .cat-card-body {
            position: relative;
            z-index: 2;
            color: white;
            width: 100%;
        }
        .cat-num {
            position: absolute;
            top: 18px;
            right: 22px;
            font-size: 42px;
            font-weight: 800;
            color: rgba(255, 255, 255, .35);
            line-height: 1;
        }
        .cat-title {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .cat-desc {
            font-size: 14px;
            opacity: .78;
            max-width: 85%;
        }
        .cat-arrow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(198, 244, 50, .15);
            color: var(--brand-lime);
            border: 1px solid rgba(198, 244, 50, .2);
            transition: var(--ease);
        }
        .cat-feature-card:hover .cat-arrow {
            background: var(--brand-lime);
            color: #102015;
        }
        /* Slider cards */
        .value-scroll-section {
            background: #fff;
            overflow: hidden;
        }
        .value-scroll-group {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 20px;
            scrollbar-width: none;
        }
        .value-scroll-group::-webkit-scrollbar {
            display: none;
        }
        .value-card {
            min-width: 340px;
            background: white;
            border: 1px solid rgba(0, 0, 0, .06);
            border-radius: 20px;
            padding: 24px;
            box-shadow: 0 6px 24px rgba(45, 62, 54, .03);
        }
        .value-card .num-lg {
            font-size: 36px;
            font-weight: 900;
            color: var(--brand-lime-dark);
            font-variant-numeric: tabular-nums;
        }
        /* FAQ */
        .faq-section {
            background: var(--bg-paper);
        }
        .faq-card {
            background: var(--bg-card);
            border-radius: 20px;
            border: 1px solid rgba(0, 0, 0, .06);
            margin-bottom: 14px;
            overflow: hidden;
        }
        .faq-head {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 14px;
            background: transparent;
            border: none;
            padding: 20px 24px;
            text-align: left;
        }
        .faq-head .faq-num {
            background: rgba(198, 244, 50, .25);
            color: #2c3b1b;
            border-radius: 10px;
            font-weight: 700;
            padding: 4px 10px;
            font-size: 14px;
        }
        .faq-question {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            flex: 1;
        }
        .faq-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid rgba(0, 0, 0, .1);
            background: #f3f0e8;
            display: flex;
            align-items: center;
            justify-content: center;
            transform: rotate(0);
            transition: var(--ease);
        }
        .faq-card.open .faq-icon,
        .faq-head:hover .faq-icon {
            transform: rotate(180deg);
            background: var(--brand-lime);
            color: #1d2714;
        }
        .faq-answer {
            padding: 0 24px 22px 72px;
            font-size: 15px;
            color: #54625a;
            max-width: 86%;
        }
        /* Trust */
        .trust-band {
            background: var(--bg-ink);
            color: var(--text-light);
        }
        .trust-big-num {
            font-size: 50px;
            font-weight: 900;
            color: var(--brand-lime);
            line-height: 1;
        }
        .trust-tick {
            color: var(--brand-lime);
            font-weight: 800;
            margin-right: 10px;
        }
        /* CTA */
        .prefooter-cta {
            background: var(--bg-paper);
        }
        .cta-card {
            background: var(--bg-night);
            border-radius: 32px;
            padding: 60px 60px;
            color: white;
            position: relative;
            overflow: hidden;
            box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .4);
        }
        .cta-card h2 {
            font-size: 30px;
            font-weight: 800;
        }
        .cta-email-form {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .cta-email-form .form-control {
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 999px;
            padding: 14px 24px;
            color: white;
            max-width: 360px;
            width: 100%;
        }
        .cta-email-form .form-control::placeholder {
            color: rgba(255, 255, 255, .5);
        }
        /* Footer */
        .site-footer {
            background: var(--bg-ink-deep);
            color: #b9c8c0;
            padding-top: 70px;
        }
        .footer-title {
            color: white;
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-links a {
            color: #9eafa5;
            font-size: 14px;
            padding: 6px 0;
            display: block;
            transition: var(--ease);
        }
        .footer-links a:hover {
            color: var(--brand-lime);
            padding-left: 4px;
        }
        .footer-tags .tag-chip {
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 999px;
            padding: 4px 14px;
            font-size: 12px;
            display: inline-block;
            margin: 0 6px 8px 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 18px 0 26px;
            margin-top: 30px;
            font-size: 13px;
            color: #708078;
        }
        .scroll-down {
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: 50%;
            width: 38px;
            height: 38px;
            color: white;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--ease);
        }
        .scroll-down:hover {
            border-color: var(--brand-lime);
            color: var(--brand-lime);
            transform: translateY(4px);
        }
        @media (max-width: 768px) {
            .py-section {
                padding-top: 72px;
                padding-bottom: 72px;
            }
            .container-xl-custom {
                padding-left: 20px;
                padding-right: 20px;
            }
            .story-media img {
                height: 360px;
            }
            .cta-card {
                padding: 40px 20px;
                border-radius: 24px;
            }
            .faq-answer {
                padding-left: 24px;
                max-width: 100%;
            }
            .hero-stats {
                gap: 8px;
            }
            .hero-stat-badge {
                padding: 12px 12px;
                min-width: 104px;
            }
        }
        @media (max-width: 576px) {
            .hero-title {
                font-size: 34px;
            }
            .value-card {
                min-width: 280px;
            }
            .btn-brand-lime,
            .btn-ghost-light {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: article */
:root {
            --bg-ink: #0A0F0D;
            --bg-ink-deep: #060B09;
            --bg-night: #121915;
            --bg-paper: #F5F2EC;
            --bg-card: #FFFFFF;
            --text-main: #1D2722;
            --text-light: #EFF7F2;
            --text-muted-ink: #7A8A81;
            --text-muted-light: #A6B8AE;
            --brand-lime: #C6F432;
            --brand-lime-dark: #9CD41A;
            --brand-coral: #FF6B3D;
            --line-dark: rgba(255,255,255,0.12);
            --line-paper: rgba(0,0,0,0.08);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 6px;
            --shadow-lg: 0 24px 60px -20px rgba(0,0,0,0.35);
            --shadow-sm: 0 10px 30px -10px rgba(0,0,0,0.2);
            --header-h: 72px;
        }

        *, *::before, *::after { box-sizing: border-box; }

        body {
            margin: 0;
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
            background: var(--bg-paper);
            color: var(--text-main);
            font-size: 1rem;
            line-height: 1.85;
            padding-top: var(--header-h);
            -webkit-font-smoothing: antialiased;
        }

        img { max-width: 100%; height: auto; }

        a { color: var(--brand-lime-dark); transition: color .2s; }
        a:hover { color: var(--text-main); }

        h1, h2, h3, h4, h5, h6 { font-weight: 800; line-height: 1.2; margin: 0 0 .75em; color: var(--text-main); }

        .container-xl-custom {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-inline: 24px;
        }

        a:focus-visible, button:focus-visible, input:focus-visible {
            outline: 2px solid var(--brand-lime);
            outline-offset: 2px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            z-index: 1080;
            background: rgba(7, 12, 10, 0.92);
            backdrop-filter: blur(18px) saturate(160%);
            -webkit-backdrop-filter: blur(18px) saturate(160%);
            border-bottom: 1px solid var(--line-dark);
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header.scrolled {
            background: rgba(4, 10, 8, 0.97);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
        }

        .header-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            gap: 20px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            min-height: 44px;
        }

        .brand-mark {
            width: 36px;
            height: 36px;
            background: var(--brand-lime);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            color: #0A0F0D;
            font-size: 20px;
            transform: skewX(-4deg);
        }

        .brand-txt { display: flex; flex-direction: column; line-height: 1.2; }
        .brand-text { font-weight: 800; color: #fff; font-size: 18px; letter-spacing: .2px; }
        .brand-tag { font-size: 10px; color: var(--text-muted-light); font-weight: 500; letter-spacing: .5px; }

        .main-nav { display: flex; gap: 6px; }
        .main-nav a.nav-link {
            color: #dbe7df;
            padding: .5rem .8rem;
            border-radius: 8px;
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: background .2s, color .2s;
            position: relative;
            white-space: nowrap;
        }
        .main-nav a.nav-link::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: .8rem;
            right: .8rem;
            height: 2px;
            background: var(--brand-lime);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s ease;
        }
        .main-nav a.nav-link:hover,
        .main-nav a.nav-link.active { color: #fff; }
        .main-nav a.nav-link:hover::after,
        .main-nav a.nav-link.active::after { transform: scaleX(1); }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-lime);
            color: #0A0F0D !important;
            border-radius: 999px;
            padding: 8px 20px;
            font-size: 14px;
            font-weight: 700;
            border: 1px solid transparent;
            text-decoration: none;
            transition: background .2s, transform .2s;
            min-height: 40px;
        }
        .btn-header-cta:hover {
            background: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0,0,0,.16);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--line-dark);
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            font-size: 20px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        /* Mobile drawer */
        .mobile-drawer {
            background: var(--bg-ink-deep);
            color: var(--text-light);
            width: 300px !important;
        }
        .mobile-drawer .offcanvas-header {
            border-bottom: 1px solid var(--line-dark);
            padding: 1rem 1.25rem;
        }
        .mobile-drawer .offcanvas-title {
            font-weight: 800;
            color: #fff;
        }
        .mobile-drawer .offcanvas-body {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 1.25rem;
        }
        .mobile-drawer .offcanvas-body a {
            color: #dbe7df;
            text-decoration: none;
            padding: 12px 8px;
            font-size: 16px;
            border-radius: 10px;
            transition: background .2s;
        }
        .mobile-drawer .offcanvas-body a:hover {
            background: rgba(255,255,255,.06);
            color: var(--brand-lime);
        }
        .btn-close-white { filter: invert(1); }

        /* ===== Breadcrumb ===== */
        .breadcrumb-section {
            padding: 28px 0 12px;
        }
        .breadcrumb {
            font-size: 13px;
            margin: 0;
            flex-wrap: wrap;
        }
        .breadcrumb .crumb-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-muted-ink);
        }
        .breadcrumb .crumb-item + .crumb-item::before {
            content: "/";
            opacity: .5;
            margin-right: 6px;
        }
        .breadcrumb a {
            color: var(--text-muted-ink);
            text-decoration: none;
        }
        .breadcrumb a:hover { color: var(--text-main); }
        .breadcrumb .current {
            color: var(--text-main);
            font-weight: 600;
            max-width: 400px;
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
        }

        /* ===== Article Header ===== */
        .article-head {
            padding: 28px 0 20px;
        }
        .article-head .cat-pill {
            display: inline-block;
            background: var(--brand-lime);
            color: #0A0F0D;
            border-radius: 999px;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .article-head .article-title {
            font-size: clamp(2rem, 4.2vw, 3.2rem);
            font-weight: 900;
            line-height: 1.12;
            margin-bottom: 18px;
            max-width: 920px;
            letter-spacing: .2px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            color: var(--text-muted-ink);
            font-size: 14px;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta span + span::before {
            content: "·";
            margin-right: 10px;
            opacity: .6;
        }

        /* ===== Article Layout ===== */
        .article-layout {
            padding: 16px 0 40px;
            align-items: flex-start;
        }
        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            border: 1px solid rgba(0,0,0,.04);
            box-shadow: 0 4px 20px rgba(20,40,30,.05);
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: #2A3630;
        }
        .article-content p {
            margin-bottom: 1.4rem;
        }
        .article-content h2 {
            font-size: 1.7rem;
            font-weight: 800;
            margin: 2.2rem 0 1rem;
            padding-top: .4rem;
        }
        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin: 1.8rem 0 .8rem;
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 1.4rem;
            padding-left: 1.5rem;
        }
        .article-content li {
            margin-bottom: .5rem;
        }
        .article-content blockquote {
            border-left: 4px solid var(--brand-lime);
            background: #f2f4ee;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            color: var(--text-main);
            font-style: normal;
            margin: 1.6rem 0;
        }
        .article-content img {
            border-radius: 14px;
            margin: 1.4rem 0;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6rem 0;
        }
        .article-content th,
        .article-content td {
            border: 1px solid rgba(0,0,0,.1);
            padding: 10px 12px;
            font-size: .95rem;
        }
        .article-content th {
            background: #f1f3ed;
            font-weight: 700;
        }
        .article-content code {
            background: #f1f3ed;
            padding: 2px 8px;
            border-radius: 6px;
            font-size: .9em;
        }

        .article-footer-nav {
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--line-paper);
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: space-between;
        }
        .article-footer-nav .btn-text {
            color: var(--text-main);
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .article-footer-nav .btn-text:hover { color: var(--brand-lime-dark); }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 20px 0 0;
        }
        .article-tags span {
            background: transparent;
            border: 1px solid rgba(0,0,0,.12);
            color: var(--text-muted-ink);
            border-radius: 999px;
            padding: 5px 14px;
            font-size: 13px;
        }

        /* ===== Sidebar ===== */
        .article-aside {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .side-widget {
            background: var(--bg-card);
            border: 1px solid rgba(0,0,0,.05);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            box-shadow: 0 4px 16px rgba(20,40,30,.06);
        }
        .side-widget .widget-title {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .side-widget .widget-title::before {
            content: "";
            width: 5px;
            height: 20px;
            background: var(--brand-lime-dark);
            border-radius: 3px;
        }
        .side-cat-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .side-cat-link {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--text-main);
            transition: transform .2s;
        }
        .side-cat-link:hover {
            transform: translateX(4px);
            color: var(--text-main);
        }
        .side-cat-thumb {
            width: 72px;
            height: 54px;
            border-radius: 10px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }
        .side-cat-link strong {
            display: block;
            font-size: 15px;
        }
        .side-cat-link small {
            font-size: 12px;
            color: var(--text-muted-ink);
            line-height: 1.4;
        }

        .btn-side {
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--text-main);
            border: 1px solid var(--line-paper);
            border-radius: 12px;
            padding: 10px;
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            margin-top: 16px;
            transition: border-color .2s, background .2s;
        }
        .btn-side:hover {
            border-color: var(--brand-lime-dark);
            background: rgba(198,244,50,.08);
        }

        /* ===== Not found ===== */
        .not-found-card {
            text-align: center;
            padding: 90px 24px;
            background: #fff;
            border-radius: 28px;
            border: 1px dashed rgba(0,0,0,.12);
            margin-bottom: 60px;
        }
        .not-found-card h1 {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 12px;
        }
        .not-found-card p {
            color: var(--text-muted-ink);
            margin-bottom: 24px;
        }

        /* ===== Button ===== */
        .btn-lime {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-lime);
            color: #0A0F0D;
            border: 1px solid transparent;
            border-radius: 999px;
            padding: 12px 26px;
            font-weight: 700;
            font-size: 15px;
            text-decoration: none;
            cursor: pointer;
            transition: transform .2s, box-shadow .2s, background .2s;
            min-height: 44px;
        }
        .btn-lime:hover {
            background: #fff;
            color: #0A0F0D;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(0,0,0,.16);
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 72px 0;
            background: #EFEDE6;
        }
        .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .section-heading h2 {
            font-size: clamp(1.6rem, 2.4vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 0;
        }
        .section-heading p {
            color: var(--text-muted-ink);
            margin-bottom: 0;
            font-size: 14px;
        }
        .related-card {
            display: block;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            text-decoration: none;
            color: var(--text-main);
            height: 100%;
            transition: transform .2s, box-shadow .2s;
            border: 1px solid rgba(0,0,0,.06);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
            color: var(--text-main);
        }
        .related-thumb {
            aspect-ratio: 16 / 10;
            background-size: cover;
            background-position: center;
        }
        .related-body {
            padding: 18px;
        }
        .tag-chip {
            display: inline-block;
            background: rgba(198,244,50,.16);
            border: 1px solid rgba(156,212,26,.3);
            color: #456b00;
            border-radius: 999px;
            padding: 3px 12px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .related-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 4px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-body p {
            font-size: 13px;
            color: var(--text-muted-ink);
            margin-bottom: 0;
        }

        /* ===== Subscribe / CTA ===== */
        .subscribe-section {
            padding: 72px 0 96px;
            background: var(--bg-paper);
        }
        .subscribe-card {
            position: relative;
            background: linear-gradient(120deg, #0c1b14, #121f18 70%, #1e3026);
            border-radius: 28px;
            padding: 56px 40px;
            overflow: hidden;
            color: var(--text-light);
        }
        .subscribe-card::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(198,244,50,.3), transparent 60%);
            border-radius: 50%;
        }
        .subscribe-card::after {
            content: "";
            position: absolute;
            bottom: 0;
            right: 0;
            width: 0;
            height: 0;
            border-left: 120px solid transparent;
            border-bottom: 90px solid var(--brand-lime);
            opacity: .08;
        }
        .subscribe-card > * {
            position: relative;
            z-index: 1;
        }
        .subscribe-card h2 {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            color: #fff;
            font-weight: 900;
            margin-bottom: 12px;
            text-align: center;
        }
        .subscribe-card > p {
            text-align: center;
            color: var(--text-muted-light);
            margin-bottom: 28px;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            margin: 0 auto;
            max-width: 560px;
        }
        .subscribe-form input {
            flex: 1;
            background: rgba(255,255,255,.08);
            border: 1px solid rgba(255,255,255,.15);
            padding: 14px 18px;
            border-radius: 12px;
            color: #fff;
            font-size: 16px;
            min-width: 0;
        }
        .subscribe-form input::placeholder {
            color: rgba(255,255,255,.5);
        }
        .subscribe-form input:focus {
            outline: none;
            border-color: var(--brand-lime);
            background: rgba(255,255,255,.12);
        }
        .submit-tip {
            text-align: center;
            color: var(--text-muted-light);
            font-size: 13px;
            margin-top: 16px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-ink-deep);
            color: #A0B4A7;
            padding: 80px 0 30px;
        }
        .site-footer a { color: #B9C8BE; text-decoration: none; }
        .site-footer a:hover { color: var(--brand-lime); }
        .site-footer .brand-text { color: #fff; }
        .footer-title {
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            letter-spacing: .3px;
            margin-bottom: 1rem;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 14px;
        }
        .footer-tags .tag-chip {
            background: rgba(255,255,255,.05);
            border-color: var(--line-dark);
            color: #C2D1C8;
            font-weight: 400;
            margin: 0 .35rem .35rem 0;
        }
        .footer-bottom {
            border-top: 1px solid var(--line-dark);
            margin-top: 48px;
            padding-top: 24px;
            font-size: 13px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .main-nav a.nav-link { padding: .5rem .55rem; font-size: 14px; }
            .btn-header-cta { padding: 8px 14px; font-size: 13px; }
            .article-card { padding: 32px 28px; }
        }

        @media (max-width: 991px) {
            .main-nav { display: none; }
            .btn-header-cta { display: none; }
            .mobile-toggle { display: inline-flex; }
            .article-aside { margin-top: 20px; }
            .subscribe-card { padding: 44px 24px; }
        }

        @media (max-width: 767px) {
            body { line-height: 1.7; }
            .container-xl-custom { padding-inline: 20px; }
            .article-card { padding: 24px 18px; }
            .article-content { font-size: 1rem; }
            .article-meta span + span::before { display: none; }
            .article-meta { gap: 8px 14px; }
            .subscribe-form { flex-direction: column; }
            .subscribe-card h2 { font-size: 1.5rem; }
            .subscribe-card { border-radius: 20px; }
            .site-footer { padding-top: 56px; }
        }

        @media (max-width: 575px) {
            .container-xl-custom { padding-inline: 16px; }
            .article-title { font-size: 1.6rem !important; }
            .breadcrumb .current { max-width: 180px; }
            .article-layout { padding-top: 8px; }
            .btn-lime { width: 100%; }
            .related-section { padding: 56px 0; }
            .subscribe-section { padding: 56px 0 72px; }
        }

/* roulang page: category1 */
:root {
            --bg-ink: #0A0F0D;
            --bg-ink-deep: #060B09;
            --bg-night: #101713;
            --bg-paper: #F5F2EC;
            --bg-card: #FFFFFF;
            --text-main: #1D2722;
            --text-light: #EFF7F2;
            --muted-ink: #7A8A81;
            --muted-light: #A6B8AE;
            --lime: #C6F432;
            --lime-dark: #9CD41A;
            --coral: #FF6B3D;
            --line-dark: rgba(255, 255, 255, .12);
            --line-paper: rgba(0, 0, 0, .10);
            --shadow-lg: 0 24px 60px -20px rgba(0, 0, 0, .35);
            --shadow-md: 0 10px 30px -10px rgba(0, 0, 0, .25);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-pill: 999px;
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--bg-paper);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease, border-color .2s ease;
        }

        button,
        input {
            font-family: inherit;
            font-size: 1rem;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--lime);
            outline-offset: 3px;
            border-radius: 8px;
        }

        .container-xl-custom {
            max-width: 1280px;
            margin-inline: auto;
            padding-inline: 24px;
        }

        .section-pad {
            padding-block: 96px;
        }

        .section-paper {
            background: var(--bg-paper);
        }

        .section-ink {
            background: var(--bg-ink);
            color: var(--text-light);
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(198, 244, 50, .14);
            color: var(--text-main);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: .04em;
            margin-bottom: 18px;
        }

        .eyebrow::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--lime-dark);
        }

        .section-title {
            font-size: clamp(1.7rem, 2.4vw, 2.3rem);
            line-height: 1.22;
            font-weight: 800;
            letter-spacing: 0;
            margin-bottom: 18px;
        }

        .dark-section .section-title {
            color: var(--text-light);
        }

        .section-text {
            color: var(--muted-ink);
            font-size: 1rem;
            line-height: 1.9;
        }

        .text-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            color: var(--text-main);
        }

        .text-link .arrow {
            transition: transform .2s ease;
        }

        .text-link:hover {
            color: var(--lime-dark);
        }

        .text-link:hover .arrow {
            transform: translateX(4px);
        }

        .btn-solid {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 14px 26px;
            border-radius: 999px;
            border: 0;
            background: var(--lime);
            color: #08100b;
            font-weight: 800;
            font-size: 15px;
            line-height: 1.2;
            transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
            min-height: 48px;
        }

        .btn-solid:hover {
            background: #d3ff55;
            color: #08100b;
            transform: translateY(-2px);
            box-shadow: 0 12px 30px -10px rgba(198, 244, 50, .45);
        }

        .btn-outline-lime {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 13px 24px;
            border-radius: 999px;
            border: 1px solid rgba(198, 244, 50, .55);
            background: rgba(198, 244, 50, .04);
            color: var(--text-light);
            font-weight: 700;
            font-size: 15px;
            min-height: 48px;
            transition: border .2s, background .2s, transform .2s;
        }

        .btn-outline-lime:hover {
            border-color: var(--lime);
            background: rgba(198, 244, 50, .1);
            color: var(--lime);
            transform: translateY(-2px);
        }

        .bg-ink .btn-outline-lime {
            border-color: rgba(0, 0, 0, .3);
            color: #0b120c;
            background: rgba(0, 0, 0, .05);
        }

        .bg-ink .btn-outline-lime:hover {
            color: #0b120c;
            background: var(--lime);
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1080;
            background: rgba(10, 15, 13, .28);
            backdrop-filter: blur(18px) saturate(160%);
            -webkit-backdrop-filter: blur(18px) saturate(160%);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header.scrolled {
            background: rgba(7, 12, 10, .93);
            box-shadow: 0 8px 32px rgba(0, 0, 0, .22);
        }

        .site-header .inner-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            min-height: 74px;
            flex-wrap: nowrap;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 38px;
            height: 38px;
            display: grid;
            place-items: center;
            background: var(--lime);
            color: #09100b;
            font-size: 23px;
            font-weight: 900;
            border-radius: 10px;
            letter-spacing: -1px;
            transform: skew(-4deg);
        }

        .brand-text {
            color: #f1f8f3;
            font-size: 18px;
            font-weight: 800;
            letter-spacing: .03em;
        }

        .brand-badge {
            display: none;
            padding: 3px 8px;
            border-radius: 999px;
            font-size: 10px;
            border: 1px solid rgba(255, 255, 255, .25);
            color: rgba(255, 255, 255, .7);
            letter-spacing: .06em;
        }

        .main-nav {
            position: fixed;
            top: 0;
            right: -320px;
            width: 294px;
            max-width: 84vw;
            height: 100vh;
            z-index: 1090;
            background: #07100c;
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            box-shadow: -20px 0 60px rgba(0, 0, 0, .28);
            border-left: 1px solid var(--line-dark);
            transition: right .3s ease;
        }

        .main-nav.is-open {
            right: 0;
        }

        .nav-drawer-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 18px;
            border-bottom: 1px solid rgba(255, 255, 255, .12);
            margin-bottom: 18px;
        }

        .drawer-brand {
            color: #fff;
            font-weight: 800;
            font-size: 17px;
        }

        .nav-close {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .2);
            background: transparent;
            color: #fff;
            font-size: 22px;
            line-height: 1;
        }

        .main-nav .nav-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 13px 10px;
            color: rgba(239, 247, 242, .82);
            border-radius: 12px;
            font-weight: 500;
        }

        .main-nav .nav-link::after {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .3);
        }

        .main-nav .nav-link.active {
            background: rgba(198, 244, 50, .1);
            color: var(--lime);
        }

        .main-nav .nav-link.active::after {
            background: var(--lime);
            border-color: var(--lime);
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
            flex-shrink: 0;
        }

        .icon-btn {
            display: inline-grid;
            place-items: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .18);
            background: rgba(255, 255, 255, .05);
            color: #dceade;
            font-size: 20px;
        }

        .icon-btn:hover {
            border-color: rgba(198, 244, 50, .7);
            color: var(--lime);
        }

        .menu-toggle {
            display: inline-flex;
            flex-direction: column;
            gap: 5px;
            padding: 12px;
            border: 1px solid rgba(255, 255, 255, .18);
            background: rgba(255, 255, 255, .04);
            border-radius: 14px;
        }

        .menu-toggle span {
            width: 20px;
            height: 2px;
            border-radius: 3px;
            background: #e8f2ec;
        }

        .header-search {
            display: none;
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-block: 16px;
            background: rgba(6, 11, 9, .95);
        }

        .header-search input {
            width: 100%;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .16);
            padding: 13px 16px;
            border-radius: 14px;
            color: #fff;
        }

        .header-search input:focus {
            border-color: var(--lime);
            background: rgba(255, 255, 255, .09);
        }

        @media (min-width: 992px) {
            .brand-badge {
                display: inline-block;
            }

            .header-right {
                margin-left: 0;
            }

            .icon-btn {
                display: none;
            }

            .menu-toggle {
                display: none;
            }

            .main-nav {
                position: static;
                width: auto;
                height: auto;
                flex-direction: row;
                align-items: center;
                gap: 26px;
                background: transparent;
                box-shadow: none;
                border: 0;
                padding: 0;
                justify-content: flex-end;
            }

            .nav-drawer-head {
                display: none;
            }

            .main-nav .nav-link {
                position: relative;
                display: inline-flex;
                align-items: center;
                gap: 4px;
                padding: 28px 2px;
                background: transparent;
                color: rgba(239, 247, 242, .72);
                font-size: 15px;
                border-radius: 0;
                overflow: hidden;
            }

            .main-nav .nav-link::after {
                content: "";
                position: absolute;
                bottom: 18px;
                left: 0;
                width: 100%;
                height: 2px;
                border-radius: 3px;
                background: var(--lime);
                border: 0;
                transform: scaleX(0);
                transform-origin: left center;
                transition: transform .25s ease;
            }

            .main-nav .nav-link:hover {
                color: #fff;
            }

            .main-nav .nav-link:hover::after,
            .main-nav .nav-link.active::after {
                transform: scaleX(1);
            }

            .main-nav .nav-link.active {
                background: transparent;
                color: var(--lime);
            }
        }

        /* Category hero */
        .cat-hero {
            position: relative;
            min-height: 58vh;
            padding: 190px 0 92px;
            background:
                linear-gradient(115deg, rgba(6, 11, 9, .92) 20%, rgba(10, 15, 13, .65) 60%, rgba(6, 11, 9, .42) 100%),
                url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
            color: var(--text-light);
            overflow: hidden;
            display: flex;
            align-items: flex-end;
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(198, 244, 50, .12), transparent 65%);
            right: -60px;
            top: -80px;
            pointer-events: none;
        }

        .cat-hero .container-xl-custom {
            position: relative;
            z-index: 2;
        }

        .hero-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(239, 247, 242, .66);
            margin-bottom: 22px;
            padding-left: 0;
            list-style: none;
        }

        .hero-breadcrumb a {
            color: rgba(239, 247, 242, .78);
        }

        .hero-breadcrumb a:hover {
            color: var(--lime);
        }

        .hero-breadcrumb .sep {
            opacity: .5;
            margin-inline: 3px;
        }

        .cat-hero h1 {
            font-size: clamp(2.7rem, 5.4vw, 4.6rem);
            font-weight: 900;
            line-height: 1.08;
            color: #f7fffa;
            margin-bottom: 20px;
            letter-spacing: .5px;
        }

        .cat-hero h1 .accent {
            color: var(--lime);
        }

        .cat-hero .lead {
            max-width: 600px;
            color: rgba(239, 247, 242, .78);
            font-size: 1.06rem;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 36px;
        }

        .hero-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
            font-size: 13px;
            color: rgba(239, 247, 242, .6);
        }

        .hero-meta-row span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .hero-meta-row .dot-value {
            width: 7px;
            height: 7px;
            border-radius: 3px;
            background: var(--lime);
            display: inline-block;
        }

        .hero-number {
            position: absolute;
            right: 20px;
            bottom: 20px;
            font-size: clamp(8rem, 22vw, 16rem);
            font-weight: 900;
            line-height: .8;
            opacity: .11;
            color: var(--lime);
            font-style: normal;
            pointer-events: none;
            letter-spacing: -10px;
        }

        /* Ticker */
        .ticker-strip {
            background: #071009;
            border-block: 1px solid rgba(255, 255, 255, .08);
            min-height: 64px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .ticker-label {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--lime);
            color: #071009;
            font-weight: 800;
            font-size: 13px;
            padding: 6px 16px;
            border-radius: 999px;
            margin-right: 22px;
        }

        .ticker-track {
            display: flex;
            gap: 40px;
            color: rgba(239, 247, 242, .64);
            font-size: 14px;
            white-space: nowrap;
        }

        .ticker-track-text {
            display: inline-flex;
            gap: 14px;
        }

        /* Intro */
        .intro-split {
            display: grid;
            gap: 34px;
        }

        @media (min-width: 992px) {
            .intro-split {
                grid-template-columns: 84fr 16fr;
                align-items: stretch;
            }
        }

        .intro-media {
            position: relative;
            border-radius: 26px;
            overflow: hidden;
            min-height: 420px;
            background: var(--bg-night);
        }

        .intro-media img {
            width: 100%;
            height: 460px;
            object-fit: cover;
        }

        .intro-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(200deg, rgba(6, 11, 9, .05) 0%, rgba(6, 11, 9, .55) 100%);
        }

        .intro-quote {
            position: absolute;
            left: 24px;
            right: 24px;
            bottom: 24px;
            z-index: 2;
            background: rgba(8, 15, 12, .72);
            backdrop-filter: blur(14px);
            border-radius: 18px;
            padding: 18px 22px;
            color: #eef7f1;
            border: 1px solid rgba(255, 255, 255, .16);
            font-size: 15px;
            line-height: 1.8;
        }

        .intro-quote small {
            display: block;
            color: var(--lime);
            font-size: 12px;
            margin-bottom: 4px;
        }

        .intro-vline {
            background: var(--bg-ink);
            color: var(--text-light);
            border-radius: 24px;
            padding: 30px 26px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .intro-vline span {
            writing-mode: vertical-rl;
            letter-spacing: .3em;
            font-weight: 700;
            color: #d9e7de;
            font-size: 15px;
            opacity: .8;
        }

        /* Dark section cards */
        .dark-card-title {
            color: #f3faF5;
        }

        .feature-tile {
            position: relative;
            overflow: hidden;
            border-radius: 24px;
            background: var(--bg-night);
            border: 1px solid var(--line-dark);
            padding: 12px;
            transition: transform .25s, border-color .25s, box-shadow .25s;
            height: 100%;
        }

        .feature-tile:hover {
            transform: translateY(-5px);
            border-color: rgba(198, 244, 50, .35);
            box-shadow: 0 22px 46px -24px rgba(0, 0, 0, .7);
        }

        .feature-tile .tile-media {
            border-radius: 18px;
            overflow: hidden;
            margin-bottom: 18px;
        }

        .feature-tile .tile-media img {
            width: 100%;
            height: 230px;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .feature-tile:hover .tile-media img {
            transform: scale(1.03);
        }

        .feature-tile .tile-tag {
            display: inline-flex;
            font-size: 11px;
            background: rgba(198, 244, 50, .16);
            border: 1px solid rgba(198, 244, 50, .2);
            color: #d9fa8c;
            border-radius: 999px;
            padding: 4px 10px;
            margin-bottom: 14px;
            letter-spacing: .03em;
        }

        .feature-tile h3 {
            color: #f0f8f4;
            font-size: 1.28rem;
            font-weight: 800;
            line-height: 1.42;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 3.2em;
        }

        .feature-tile p {
            color: rgba(224, 240, 231, .65);
            font-size: 14.5px;
            line-height: 1.85;
            margin-bottom: 18px;
        }

        .tile-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            color: var(--lime);
            font-size: 14px;
        }

        .tile-link .t-arrow {
            transition: transform .2s;
        }

        .feature-tile:hover .tile-link .t-arrow {
            transform: translateX(4px);
        }

        .stagger-grid {
            display: grid;
            gap: 24px;
        }

        @media (min-width: 992px) {
            .stagger-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
                align-items: start;
            }

            .tile-b {
                margin-top: 44px;
            }

            .tile-c {
                grid-column: 2;
                margin-top: -18px;
            }
        }

        /* Resource panel */
        .resource-panel {
            background: #ffffff;
            border-radius: 28px;
            padding: 34px;
            box-shadow: 0 14px 40px -20px rgba(20, 40, 30, .14);
            border: 1px solid #e9e4db;
        }

        .resource-chip {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: #faf4eb;
            border-radius: 999px;
            padding: 11px 18px;
            font-weight: 600;
            font-size: 14px;
            color: #24312a;
            border: 1px solid #eee3d6;
        }

        .resource-chip::before {
            content: "";
            width: 7px;
            height: 7px;
            background: var(--lime-dark);
            border-radius: 50%;
        }

        .stat-banner {
            background: var(--bg-ink);
            border-radius: 22px;
            padding: 30px 32px;
            margin-top: 30px;
            color: var(--text-light);
            border: 1px solid var(--line-dark);
        }

        .stat-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px 20px;
        }

        .stat-cell b {
            font-size: clamp(1.8rem, 3vw, 2.7rem);
            font-weight: 900;
            color: var(--lime);
            display: block;
            line-height: 1.2;
        }

        .stat-cell span {
            color: #a9bcb0;
            font-size: 13px;
            letter-spacing: .02em;
        }

        @media (min-width: 576px) {
            .stat-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        /* FAQ */
        .faq-wrap-card {
            background: #fffcf6;
            border: 1px solid #e9e0d8;
            box-shadow: 0 10px 30px -22px rgba(30, 40, 34, .3);
            border-radius: 24px;
            padding: 26px;
            color: var(--text-main);
        }

        .faq-acc .accordion-item {
            border: 0;
            background: transparent;
            margin-bottom: 12px;
        }

        .faq-acc .accordion-button {
            box-shadow: none;
            background: #fffcf6;
            border: 1px solid #ece2d8;
            border-radius: 20px !important;
            padding: 19px 22px;
            font-weight: 700;
            color: #19231d;
            font-size: 16px;
            line-height: 1.45;
        }

        .faq-acc .accordion-button::after {
            content: "+";
            background-image: none;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--bg-ink);
            color: var(--lime);
            display: inline-grid;
            place-items: center;
            font-size: 20px;
            font-weight: 400;
            line-height: 1;
            flex-shrink: 0;
        }

        .faq-acc .accordion-button:not(.collapsed)::after {
            content: "×";
            background: var(--lime);
            color: #0a110d;
        }

        .faq-acc .accordion-button:hover,
        .faq-acc .accordion-button:not(.collapsed) {
            background: #ffffff;
            border-color: #b6e95b;
            color: #0d1a12;
        }

        .faq-acc .accordion-body {
            padding: 6px 24px 22px 82px;
            color: #55635b;
            font-size: 15px;
            line-height: 1.9;
        }

        .faq-left-card {
            background: var(--bg-ink);
            border-radius: 24px;
            padding: 34px 28px;
            color: var(--text-light);
            position: relative;
            overflow: hidden;
            min-height: 220px;
        }

        .faq-left-card h3 {
            color: #fff;
            font-weight: 800;
            font-size: 1.35rem;
            margin-bottom: 12px;
        }

        .faq-left-card p {
            color: #a4b7ab;
            font-size: 14px;
            line-height: 1.85;
            margin-bottom: 18px;
        }

        .faq-number-row {
            position: absolute;
            right: 14px;
            bottom: 2px;
            font-size: 6rem;
            font-weight: 900;
            color: rgba(198, 244, 50, .12);
            line-height: 1;
        }

        /* Related */
        .article-row {
            display: flex;
            gap: 16px;
            align-items: center;
            background: #ffffff;
            border: 1px solid #eee2d8;
            padding: 10px;
            border-radius: 18px;
            transition: transform .2s, border-color .2s, box-shadow .2s;
            min-height: 132px;
        }

        .article-row:hover {
            transform: translateY(-3px);
            border-color: var(--lime-dark);
            box-shadow: 0 16px 30px -28px rgba(0, 0, 0, .4);
        }

        .article-row .ar-row-img {
            width: 136px;
            height: 104px;
            object-fit: cover;
            border-radius: 12px;
            flex-shrink: 0;
        }

        .article-row h3 {
            font-size: 16px;
            font-weight: 800;
            line-height: 1.5;
            margin-bottom: 7px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-row p {
            color: var(--muted-ink);
            font-size: 12px;
            margin-bottom: 0;
        }

        .article-row .green-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            background: var(--lime-dark);
            border-radius: 50%;
            margin-right: 6px;
        }

        @media (max-width: 575px) {
            .faq-acc .accordion-body {
                padding: 8px 20px 20px 20px;
            }

            .faq-acc .accordion-button {
                font-size: 14.5px;
                padding: 16px 14px;
            }

            .article-row {
                flex-wrap: nowrap;
            }

            .article-row .ar-row-img {
                width: 116px;
                height: 106px;
            }
        }

        /* CTA */
        .cta-band {
            background: var(--bg-ink);
            color: var(--text-light);
            border-radius: 34px;
            overflow: hidden;
            padding: 52px 28px;
            position: relative;
            border: 1px solid var(--line-dark);
        }

        .cta-band::after {
            content: "";
            position: absolute;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(198, 244, 50, .16), transparent 65%);
            right: -70px;
            top: -80px;
        }

        .cta-band h2 {
            font-size: clamp(1.9rem, 3.3vw, 3rem);
            font-weight: 900;
            line-height: 1.2;
            color: #ffffff;
            margin-bottom: 14px;
        }

        .cta-band p {
            color: rgba(224, 240, 231, .7);
            max-width: 560px;
            margin-bottom: 24px;
        }

        .newsletter-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            max-width: 560px;
        }

        .newsletter-form input {
            flex: 1 1 300px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: 999px;
            padding: 15px 22px;
            color: #fff;
            min-height: 52px;
        }

        .newsletter-form input::placeholder {
            color: #85958d;
        }

        .newsletter-form input:focus {
            border-color: var(--lime);
            outline: none;
        }

        .form-msg {
            color: var(--lime);
            font-size: 13px;
            display: none;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-ink-deep);
            color: var(--text-light);
            padding-top: 76px;
            border-top: 1px solid rgba(255, 255, 255, .06);
        }

        .site-footer a {
            color: #93a99a;
        }

        .site-footer a:hover {
            color: var(--lime);
        }

        .footer-title {
            color: #f0f7f3;
            font-weight: 700;
            font-size: 15px;
            margin-bottom: 24px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 13px;
            font-size: 14px;
            line-height: 1.4 !important;
        }

        .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-chip {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .08);
            color: rgba(239, 247, 242, .72);
            font-size: 12.5px;
            padding: 6px 13px;
            border-radius: 999px;
        }

        .footer-bottom {
            margin-top: 44px;
            border-top: 1px solid rgba(255, 255, 255, .09);
            padding-block: 22px;
            color: #7a9283;
            font-size: 13px;
        }

        @media (max-width: 767px) {
            .section-pad {
                padding-block: 64px;
            }

            .cat-hero {
                padding-top: 150px;
                min-height: 78vh;
            }

            .resource-panel {
                padding: 24px;
            }
        }

        @media (max-width: 575px) {
            .container-xl-custom {
                padding-inline: 20px;
            }

            .cat-hero h1 {
                font-size: 2.4rem;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .brand-badge {
                display: none;
            }

            .btn-solid,
            .btn-outline-lime {
                width: 100%;
                justify-content: center;
            }

            .hero-actions {
                flex-direction: column;
            }

            .hero-actions>* {
                width: 100%;
            }

            .intro-media img {
                height: 320px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-ink: #0A0F0D;
            --bg-ink-deep: #060B09;
            --bg-night: #121915;
            --bg-paper: #F5F2EC;
            --bg-card: #FFFFFF;
            --text-main: #1D2722;
            --text-light: #EFF7F2;
            --text-muted-ink: #7A8A81;
            --text-muted-light: #A6B8AE;
            --brand-lime: #C6F432;
            --brand-lime-dark: #9CD41A;
            --brand-coral: #FF6B3D;
            --line-dark: rgba(255, 255, 255, .12);
            --line-paper: rgba(0, 0, 0, .10);
            --shadow-lg: 0 24px 60px -20px rgba(0, 0, 0, .35);
            --shadow-sm: 0 10px 30px -10px rgba(0, 0, 0, .25);
            --radius-xl: 24px;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-pill: 999px;
            --space-section: 96px;
            --font-main: "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-main);
            background: var(--bg-paper);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

        button {
            border: none;
            font-family: inherit;
            cursor: pointer;
        }

        p {
            margin: 0 0 1rem;
        }

        .container-xl-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        .section-space {
            padding: var(--space-section) 0;
        }

        .section-space-sm {
            padding: 56px 0;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            z-index: 1090;
            width: 100%;
            height: 72px;
            display: flex;
            align-items: center;
            background: rgba(4, 10, 8, .32);
            backdrop-filter: blur(18px) saturate(160%);
            -webkit-backdrop-filter: blur(18px) saturate(160%);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header.scrolled {
            background: rgba(7, 12, 10, .94);
            box-shadow: 0 8px 32px rgba(0, 0, 0, .25);
        }

        .site-header .container-xl-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--brand-lime);
            color: #0A1A10;
            font-weight: 900;
            font-size: 21px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 0 1px rgba(198, 244, 50, .3), 0 8px 22px rgba(198, 244, 50, .22);
        }

        .brand-text {
            font-size: 19px;
            font-weight: 800;
            color: #F4FBF5;
            letter-spacing: .3px;
        }

        .brand-note {
            font-size: 11px;
            color: rgba(255, 255, 255, .5);
            border-left: 1px solid rgba(255, 255, 255, .2);
            padding-left: 8px;
            line-height: 1.2;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: rgba(240, 250, 243, .78);
            padding: 8px 2px;
            background: none;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--brand-lime), var(--brand-coral));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .25s ease;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--brand-lime);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-toggle {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .08);
            color: #e9f1eb;
            font-size: 18px;
            transition: background .2s ease, color .2s ease;
        }

        .search-toggle:hover {
            background: var(--brand-lime);
            color: #08110d;
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            background: var(--brand-lime);
            color: #0a1710;
            font-weight: 700;
            font-size: 14px;
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(198, 244, 50, .25);
            color: #0a1710;
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .08);
            color: #fff;
            font-size: 20px;
        }

        /* Mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: #0b120f;
            z-index: 2000;
            padding: 24px 22px;
            transition: right .35s ease;
            border-left: 1px solid rgba(255, 255, 255, .08);
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
        }

        .drawer-close {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .1);
            color: #fff;
        }

        .mobile-drawer .nav-link {
            display: block;
            font-size: 17px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, .07);
        }

        .drawer-mask {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, .5);
            backdrop-filter: blur(4px);
            z-index: 1990;
            opacity: 0;
            visibility: hidden;
            transition: .3s;
        }

        .drawer-mask.open {
            opacity: 1;
            visibility: visible;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            line-height: 1;
            transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
        }

        .btn-lime {
            background: var(--brand-lime);
            color: #0a1710;
            padding: 15px 30px;
            font-size: 15px;
            border: 1px solid transparent;
        }

        .btn-lime:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 28px rgba(198, 244, 50, .25);
            background: #d2f052;
            color: #0a1710;
        }

        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .3);
            color: #f0f8f2;
            padding: 15px 28px;
            font-size: 15px;
            backdrop-filter: blur(4px);
        }

        .btn-outline-light:hover {
            border-color: var(--brand-lime);
            color: var(--brand-lime);
            transform: translateY(-2px);
        }

        .btn-coral {
            background: var(--brand-coral);
            color: #0d110f;
            padding: 15px 32px;
            font-size: 15px;
        }

        .btn-coral:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(255, 107, 61, .3);
            color: #0d110f;
        }

        .btn:focus-visible {
            outline: 2px solid var(--brand-lime);
            outline-offset: 4px;
        }

        /* Category hero */
        .category-hero {
            min-height: 620px;
            background:
                radial-gradient(circle at 18% 20%, rgba(198, 244, 50, .18), transparent 26%),
                radial-gradient(circle at 78% 75%, rgba(255, 107, 61, .15), transparent 30%),
                linear-gradient(100deg, rgba(4, 9, 7, .92) 0%, rgba(6, 12, 9, .72) 56%, rgba(8, 20, 13, .65) 100%),
                url("/assets/images/backpic/back-1.png") center/cover no-repeat;
            margin-top: 72px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 120px;
            background: linear-gradient(180deg, transparent, rgba(10, 15, 13, .85));
        }

        .category-hero-inner {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .58);
            margin-bottom: 28px;
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, .75);
            transition: color .2s;
        }

        .hero-breadcrumb a:hover {
            color: var(--brand-lime);
        }

        .hero-breadcrumb .sep {
            color: rgba(255, 255, 255, .3);
        }

        .cat-hero-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(198, 244, 50, .15);
            border: 1px solid rgba(198, 244, 50, .35);
            color: var(--brand-lime);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 20px;
            letter-spacing: .04em;
        }

        .category-hero h1 {
            font-size: clamp(2.5rem, 6vw, 4.6rem);
            font-weight: 900;
            color: #FAFCF9;
            line-height: 1.08;
            margin: 0 0 20px;
            letter-spacing: .5px;
        }

        .category-hero .hero-desc {
            max-width: 650px;
            font-size: 17px;
            color: rgba(235, 246, 238, .8);
            line-height: 1.9;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 30px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 18px 30px;
        }

        .hero-stat {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .1);
            backdrop-filter: blur(8px);
            padding: 10px 16px;
            border-radius: 16px;
        }

        .hero-stat .num {
            color: var(--brand-lime);
            font-size: 24px;
            font-weight: 900;
            line-height: 1;
        }

        .hero-stat .text {
            font-size: 13px;
            color: rgba(235, 246, 238, .7);
            line-height: 1.4;
        }

        .hero-watermark {
            position: absolute;
            right: 5%;
            top: 50%;
            transform: translateY(-50%);
            writing-mode: vertical-rl;
            font-size: clamp(42px, 6vw, 82px);
            font-weight: 900;
            color: rgba(198, 244, 50, .14);
            letter-spacing: .1em;
            white-space: nowrap;
            z-index: 1;
            user-select: none;
        }

        .scroll-indicator {
            margin-top: 24px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, .6);
            font-size: 13px;
        }

        .scroll-indicator .arrow-down {
            font-size: 18px;
            transition: transform .3s;
        }

        .scroll-indicator:hover .arrow-down {
            transform: translateY(5px);
        }

        /* Split section */
        .split-feature {
            background: var(--bg-paper);
            color: var(--text-main);
            position: relative;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 44px;
        }

        .eyebrow-label {
            display: inline-block;
            background: rgba(198, 244, 50, .85);
            color: #111c16;
            font-weight: 700;
            font-size: 12px;
            padding: 5px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: .03em;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.2;
            margin: 0;
        }

        .section-lead {
            color: var(--text-muted-ink);
            max-width: 420px;
            font-size: 15px;
        }

        .split-grid {
            display: grid;
            grid-template-columns: 1fr 3.6fr;
            gap: 72px;
            align-items: stretch;
        }

        .vertical-intro {
            background: var(--bg-ink);
            border-radius: var(--radius-xl);
            padding: 34px 26px;
            color: rgba(255, 255, 255, .85);
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .vertical-intro::before {
            content: "02";
            position: absolute;
            right: -10px;
            bottom: -26px;
            font-size: 88px;
            font-weight: 900;
            color: rgba(198, 244, 50, .15);
        }

        .vertical-intro .meta-index {
            font-size: 13px;
            color: var(--brand-lime);
            font-weight: 800;
            letter-spacing: .08em;
            margin-bottom: 18px;
        }

        .vertical-intro h2 {
            font-size: 24px;
            line-height: 1.35;
            font-weight: 800;
            color: #f5f9f6;
        }

        .vertical-intro p {
            font-size: 15px;
            color: rgba(255, 255, 255, .65);
            margin-bottom: 0;
            margin-top: 14px;
        }

        .split-image-frame {
            border-radius: var(--radius-xl);
            overflow: hidden;
            min-height: 420px;
            width: 100%;
            position: relative;
            background: #dfe6de;
        }

        .split-image-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .split-image-frame::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(200deg, transparent 50%, rgba(6, 18, 10, .28) 100%);
            pointer-events: none;
        }

        .image-caption-strip {
            margin-top: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--bg-card);
            border-radius: 18px;
            padding: 16px 20px;
            font-size: 14px;
            box-shadow: 0 4px 18px rgba(10, 20, 16, .08);
        }

        .image-caption-strip .tag-chip {
            background: #EDF7E6;
            color: #3A6237;
        }

        .card-muted-list {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            color: var(--text-muted-ink);
        }

        /* value cards */
        .value-card-wrap {
            background: var(--bg-card);
            border: 1px solid var(--line-paper);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .value-card-wrap:hover {
            transform: translateY(-4px);
            box-shadow: 0 18px 36px rgba(14, 24, 18, .1);
        }

        .value-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: rgba(198, 244, 50, .2);
            color: #284324;
            font-size: 22px;
            margin-bottom: 18px;
        }

        .value-card-wrap h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .value-card-wrap p {
            margin-bottom: 0;
            color: var(--text-muted-ink);
            font-size: 15px;
        }

        /* Match categories card */
        .match-media-card {
            border-radius: 22px;
            overflow: hidden;
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: flex-end;
            transition: box-shadow .25s, transform .25s;
        }

        .match-media-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 24px 48px rgba(0, 0, 0, .18);
        }

        .match-media-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .match-media-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(5, 10, 7, .88) 100%);
        }

        .match-media-card .content {
            position: relative;
            padding: 28px 26px 24px;
            z-index: 2;
            color: #fff;
        }

        .match-media-card .project-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: var(--brand-lime);
            color: #0a1810;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .match-media-card h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .match-media-card p {
            margin-bottom: 0;
            font-size: 14px;
            color: rgba(255, 255, 255, .78);
            max-width: 80%;
        }

        .match-card-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        /* Process */
        .process-section {
            background: var(--bg-ink);
            color: var(--text-light);
        }

        .process-section .section-title {
            color: #edf5ef;
        }

        .process-section .section-lead {
            color: var(--text-muted-light);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .process-step {
            background: rgba(255, 255, 255, .03);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 22px;
            padding: 26px 22px;
            position: relative;
        }

        .step-number {
            font-size: 42px;
            font-weight: 900;
            color: rgba(198, 244, 50, .35);
            display: block;
            margin-bottom: 8px;
            line-height: 1;
        }

        .process-step h3 {
            font-size: 17px;
            color: #f0faf2;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .process-step p {
            color: rgba(255, 255, 255, .62);
            font-size: 14px;
            margin-bottom: 0;
        }

        /* Article entry list for section D */
        .article-entry-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .article-entry-row {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--bg-card);
            border-radius: 20px;
            padding: 14px 18px;
            border: 1px solid rgba(0, 0, 0, .06);
            transition: box-shadow .2s ease, transform .2s ease;
        }

        .article-entry-row:hover {
            transform: translateX(4px);
            box-shadow: 0 16px 30px rgba(20, 36, 28, .12);
        }

        .article-thumb {
            width: 148px;
            flex-shrink: 0;
            height: 92px;
            border-radius: 14px;
            overflow: hidden;
            background: #e3e8e2;
        }

        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .article-row-info {
            flex: 1;
        }

        .row-article-title {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.45;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-row-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-muted-ink);
        }

        .meta-pill {
            background: #eaf5df;
            color: #42652e;
            border-radius: 999px;
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 600;
        }

        .read-link {
            color: var(--brand-coral);
            font-weight: 700;
            font-size: 14px;
            margin-left: auto;
            color: #1c3a24;
            white-space: nowrap;
        }

        .read-link i {
            transition: transform .2s;
        }

        .read-link:hover i {
            transform: translateX(4px);
        }

        /* FAQ */
        .faq-section {
            background: #EDEBE5;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 0.78fr 1.22fr;
            gap: 48px;
        }

        .faq-contact-card {
            background: var(--bg-ink);
            border-radius: 26px;
            padding: 34px 28px;
            color: #f1f6f3;
            height: fit-content;
            position: sticky;
            top: 100px;
        }

        .faq-contact-card h3 {
            font-size: 22px;
            margin-bottom: 16px;
            font-weight: 800;
        }

        .faq-contact-card p {
            color: rgba(255, 255, 255, .65);
            font-size: 15px;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: 22px;
            margin-bottom: 16px;
            border: 1px solid transparent;
            overflow: hidden;
            transition: border-color .2s, box-shadow .2s;
        }

        .faq-item.active {
            border-color: rgba(156, 212, 26, .55);
            box-shadow: 0 18px 40px rgba(20, 30, 25, .1);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 22px 24px;
            background: transparent;
            text-align: left;
        }

        .faq-num {
            background: rgba(198, 244, 50, .22);
            color: #34502c;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            flex-shrink: 0;
        }

        .faq-q-title {
            flex: 1;
            color: var(--text-main);
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
        }

        .faq-arrow {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(0, 0, 0, .04);
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform .3s, background .3s;
            flex-shrink: 0;
        }

        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            background: var(--brand-lime);
        }

        .faq-answer {
            display: none;
            padding: 0 24px 24px 82px;
            color: var(--text-muted-ink);
            font-size: 15px;
            line-height: 1.9;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* bottom CTA */
        .cta-band {
            background: var(--bg-ink);
            position: relative;
            overflow: hidden;
        }

        .cta-inner {
            border-radius: 30px;
            background: rgba(198, 244, 50, .13);
            border: 1px solid rgba(198, 244, 50, .25);
            padding: 68px 40px;
            position: relative;
        }

        .cta-inner::after {
            content: "";
            position: absolute;
            right: -42px;
            bottom: -34px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(198, 244, 50, .3), transparent 65%);
        }

        .cta-title {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            color: #fff;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-sub {
            color: rgba(255, 255, 255, .68);
            font-size: 16px;
            max-width: 640px;
            margin: 0 auto 28px;
        }

        .subscribe-form {
            display: flex;
            max-width: 560px;
            margin: 0 auto;
            background: rgba(255, 255, 255, .07);
            padding: 8px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, .18);
        }

        .subscribe-form input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 12px 18px;
            color: #fff;
            outline: none;
            font-size: 15px;
            border-radius: var(--radius-pill);
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, .4);
        }

        .subscribe-form .btn-lime {
            padding: 12px 26px;
            font-size: 15px;
        }

        .form-tip {
            margin-top: 18px;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-ink-deep);
            color: #8DA398;
            padding: 68px 0 30px;
        }

        .site-footer .brand-text {
            color: #F1FAF2;
        }

        .site-footer .footer-title {
            color: #D6E5D9;
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 20px;
        }

        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .site-footer .footer-links a {
            color: #839B8B;
            font-size: 14px;
            transition: color .2s, padding-left .2s;
        }

        .site-footer .footer-links a:hover {
            color: var(--brand-lime);
            padding-left: 4px;
        }

        .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-chip {
            display: inline-flex;
            padding: 5px 12px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, .06);
            color: #A4B9AC;
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            margin-top: 52px;
            padding-top: 22px;
            font-size: 13px;
            color: #62746a;
        }

        /* Offsets & responsive */
        .content-spacer-top {
            padding-top: 140px;
        }

        .tone-dark-section {
            background: var(--bg-ink);
        }

        .tone-paper-section {
            background: var(--bg-paper);
        }

        .rounded-panel {
            border-radius: 26px;
            background: var(--bg-card);
            padding: 40px;
            border: 1px solid rgba(0, 0, 0, .04);
        }

        @media (max-width: 1199.98px) {
            .match-card-row {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }

            .faq-layout {
                grid-template-columns: 1fr;
            }

            .faq-contact-card {
                position: static;
            }
        }

        @media (max-width: 991.98px) {
            .main-nav {
                display: none;
            }

            .menu-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .header-cta {
                display: none;
            }

            .split-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .vertical-intro {
                min-height: auto;
            }

            .category-hero h1 {
                font-size: 3.4rem;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --space-section: 72px;
            }

            .container-xl-custom {
                padding-left: 20px;
                padding-right: 20px;
            }

            .category-hero {
                min-height: 540px;
            }

            .hero-stats {
                gap: 12px;
            }

            .hero-stat {
                width: calc(50% - 12px);
                padding: 10px 12px;
            }

            .hero-watermark {
                font-size: 48px;
                right: 8%;
            }

            .match-card-row,
            .process-steps {
                grid-template-columns: 1fr;
            }

            .article-entry-row {
                flex-direction: column;
                align-items: stretch;
            }

            .article-thumb {
                width: 100%;
                height: 160px;
            }

            .subscribe-form {
                flex-direction: column;
                border-radius: 24px;
                padding: 12px;
            }

            .subscribe-form input {
                width: 100%;
                text-align: center;
            }

            .subscribe-form .btn-lime {
                width: 100%;
                justify-content: center;
            }

            .rounded-panel {
                padding: 26px 18px;
            }
        }

        @media (max-width: 575.98px) {
            .container-xl-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .brand-note {
                display: none;
            }

            .category-hero h1 {
                font-size: 2.6rem;
            }

            .category-hero .hero-desc {
                font-size: 15px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-stats .hero-stat .num {
                font-size: 22px;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-inner {
                padding: 42px 16px;
            }

            .faq-question {
                padding: 18px 16px;
            }

            .faq-answer {
                padding: 0 18px 20px 62px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-ink: #0A0F0D;
            --bg-ink-deep: #060B09;
            --bg-night: #121915;
            --bg-paper: #F5F2EC;
            --bg-card: #FFFFFF;
            --text-main: #1D2722;
            --text-light: #EFF7F2;
            --text-muted-ink: #7A8A81;
            --text-muted-light: #A6B8AE;
            --brand-lime: #C6F432;
            --brand-lime-dark: #9CD41A;
            --brand-coral: #FF6B3D;
            --line-dark: rgba(255, 255, 255, 0.12);
            --line-paper: rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 24px 60px -24px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 14px 34px -18px rgba(0, 0, 0, 0.28);
            --shadow-soft: 0 4px 16px rgba(20, 40, 30, 0.06);
            --radius-xl: 24px;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            -webkit-text-size-adjust: 100%;
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            background: var(--bg-paper);
            color: var(--text-main);
            line-height: 1.85;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        a:hover {
            color: inherit;
        }

        button,
        input {
            font-family: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        p {
            margin: 0;
        }

        [id] {
            scroll-margin-top: 92px;
        }

        .container-xl-custom {
            width: 100%;
            max-width: 1280px;
            margin-inline: auto;
            padding-inline: 24px;
        }

        .section {
            padding-block: 96px;
        }

        @media (max-width: 767px) {
            .section {
                padding-block: 64px;
            }
        }

        .section-light {
            background: var(--bg-paper);
        }

        .section-white {
            background: var(--bg-card);
        }

        .section-ink {
            background: var(--bg-ink);
            color: var(--text-light);
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand-lime);
            color: var(--bg-ink-deep);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.08em;
            padding: 6px 14px;
            border-radius: 999px;
        }

        .eyebrow-dark {
            background: rgba(198, 244, 50, 0.14);
            color: var(--text-main);
            border: 1px solid rgba(198, 244, 50, 0.35);
        }

        .section-title {
            font-size: clamp(1.75rem, 2.6vw, 2.4rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.5px;
            margin-top: 12px;
        }

        .section-desc {
            color: var(--text-muted-ink);
            font-size: 15px;
            line-height: 1.9;
            margin-top: 18px;
        }

        .text-light-section .section-desc {
            color: var(--text-muted-light);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 46px;
            padding: 0 26px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 15px;
            border: 1px solid transparent;
            transition: all .25s ease;
            text-decoration: none;
        }

        .btn-lime {
            background: var(--brand-lime);
            color: #111713;
            border-color: var(--brand-lime);
        }

        .btn-lime:hover {
            background: var(--brand-lime-dark);
            border-color: var(--brand-lime-dark);
            color: #111713;
            transform: translateY(-2px);
            box-shadow: 0 12px 26px -14px rgba(198, 244, 50, 0.55);
        }

        .btn-ghost {
            border-color: var(--line-dark);
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(8px);
        }

        .btn-ghost:hover {
            border-color: var(--brand-lime);
            color: var(--brand-lime);
            transform: translateY(-2px);
        }

        .btn-dark {
            background: var(--bg-ink);
            color: var(--text-light);
            border-color: var(--bg-ink);
        }

        .btn-dark:hover {
            background: var(--text-main);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn:focus-visible,
        .icon-btn:focus-visible,
        .nav-link:focus-visible,
        .story-link:focus-visible,
        .matrix-card:focus-visible {
            outline: 3px solid var(--brand-lime);
            outline-offset: 3px;
        }

        /* header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1080;
            min-height: 72px;
            background: rgba(4, 10, 8, 0.36);
            backdrop-filter: blur(18px) saturate(160%);
            -webkit-backdrop-filter: blur(18px) saturate(160%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            transition: background .35s ease, box-shadow .35s ease, border-color .35s ease;
        }

        .site-header.is-scrolled {
            background: rgba(7, 12, 10, 0.94);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.24);
            border-bottom-color: rgba(255, 255, 255, 0.09);
        }

        .nav-shell {
            min-height: 72px;
            display: flex;
            align-items: center;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-lime);
            box-shadow: 0 8px 22px -10px rgba(198, 244, 50, 0.7);
        }

        .brand-mark svg {
            width: 26px;
            height: 26px;
            display: block;
        }

        .brand-name {
            display: flex;
            flex-direction: column;
            line-height: 1.05;
        }

        .brand-name .brand-main {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: .3px;
            color: #F7FBF8;
        }

        .brand-name small {
            font-size: 10px;
            letter-spacing: 0.18em;
            color: rgba(239, 247, 242, 0.52);
            margin-top: 3px;
            font-weight: 500;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: clamp(18px, 2vw, 32px);
            margin-left: auto;
            margin-right: 6px;
        }

        .nav-link {
            position: relative;
            color: rgba(239, 247, 242, 0.78);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 2px;
            white-space: nowrap;
            transition: color .25s ease;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 2px;
            height: 2px;
            background: var(--brand-lime);
            border-radius: 999px;
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform .3s ease;
        }

        .nav-link:hover,
        .nav-link.active {
            color: #FFFFFF;
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .search-wrap {
            position: relative;
        }

        .icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: #fff;
            cursor: pointer;
            transition: all .25s ease;
        }

        .icon-btn:hover {
            background: rgba(198, 244, 50, 0.18);
            border-color: var(--brand-lime);
            color: var(--brand-lime);
        }

        .search-pop {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            width: 320px;
            padding: 14px;
            background: rgba(6, 11, 9, 0.95);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
        }

        .search-wrap.open .search-pop {
            display: block;
        }

        .search-pop input {
            width: 100%;
            height: 44px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.16);
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
            padding: 0 16px;
            font-size: 14px;
        }

        .search-pop input:focus {
            outline: none;
            border-color: var(--brand-lime);
        }

        .btn-header {
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0 18px;
            border-radius: 999px;
            background: var(--brand-lime);
            color: #121713;
            font-weight: 700;
            font-size: 14px;
            border: 1px solid var(--brand-lime);
            transition: all .25s ease;
        }

        .btn-header:hover {
            background: transparent;
            color: var(--brand-lime);
        }

        .nav-burger {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.14);
            background: rgba(255, 255, 255, 0.07);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
        }

        .nav-burger span {
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 10px;
        }

        .mobile-nav {
            position: fixed;
            top: 0;
            right: -420px;
            width: min(400px, 90vw);
            height: 100vh;
            background: var(--bg-ink-deep);
            border-left: 1px solid var(--line-dark);
            padding: 104px 32px 40px;
            z-index: 1100;
            transition: right .4s ease;
            overflow-y: auto;
        }

        .mobile-nav.open {
            right: 0;
            box-shadow: -30px 0 60px rgba(0, 0, 0, 0.45);
        }

        .mobile-nav .m-nav-brand {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }

        .mobile-close {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1px solid var(--line-dark);
            background: transparent;
            color: #fff;
            font-size: 18px;
            cursor: pointer;
        }

        .m-nav-link {
            display: block;
            padding: 14px 4px;
            font-size: 17px;
            font-weight: 600;
            color: rgba(239, 247, 242, 0.85);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: color .2s ease, padding-left .25s ease;
        }

        .m-nav-link:hover,
        .m-nav-link.active {
            color: var(--brand-lime);
            padding-left: 8px;
        }

        .mobile-cta {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 28px;
        }

        .overlay {
            position: fixed;
            inset: 0;
            z-index: 1090;
            background: rgba(0, 0, 0, 0.65);
            backdrop-filter: blur(4px);
            opacity: 0;
            visibility: hidden;
            transition: opacity .3s ease, visibility .3s ease;
        }

        .overlay.show {
            opacity: 1;
            visibility: visible;
        }

        /* category hero */
        .category-hero {
            background-color: var(--bg-ink);
            color: var(--text-light);
            min-height: 65vh;
            padding: 160px 0 90px;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center center;
            z-index: 0;
        }

        .hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background:
                linear-gradient(115deg, rgba(6, 11, 9, 0.88) 12%, rgba(6, 11, 9, 0.56) 55%, rgba(10, 15, 13, 0.76) 100%),
                radial-gradient(circle at 10% 15%, rgba(198, 244, 50, 0.18), transparent 38%),
                radial-gradient(circle at 90% 90%, rgba(255, 107, 61, 0.14), transparent 40%);
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-breadcrumb {
            font-size: 13px;
            color: rgba(239, 247, 242, 0.7);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 28px;
        }

        .hero-breadcrumb a {
            color: rgba(239, 247, 242, 0.68);
            transition: color .2s;
        }

        .hero-breadcrumb a:hover {
            color: var(--brand-lime);
        }

        .category-hero h1 {
            background: transparent;
            color: #fff;
            font-size: clamp(3.4rem, 6vw, 5.6rem);
            font-weight: 900;
            line-height: 1.05;
            letter-spacing: 0.5px;
            text-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
            margin-top: 8px;
        }

        .hero-lead {
            max-width: 620px;
            color: rgba(239, 247, 242, 0.82);
            font-size: 17px;
            line-height: 1.9;
            margin-top: 18px;
        }

        .hero-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 26px;
        }

        .hero-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(18, 25, 21, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.16);
            backdrop-filter: blur(8px);
            color: rgba(239, 247, 242, 0.84);
            font-size: 13px;
        }

        .hero-chip b {
            color: var(--brand-lime);
            font-weight: 800;
        }

        .hero-index {
            position: absolute;
            right: 2vw;
            bottom: -5vw;
            font-size: clamp(8rem, 24vw, 18rem);
            font-weight: 900;
            line-height: 1;
            color: rgba(198, 244, 50, 0.08);
            letter-spacing: -0.04em;
            pointer-events: none;
            z-index: 0;
        }

        .hero-index::after {
            content: "运动科普";
            position: absolute;
            left: 0;
            bottom: 0;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.24);
            letter-spacing: 0.36em;
            writing-mode: vertical-rl;
            transform: translateY(40px);
        }

        @media (max-width: 575px) {
            .category-hero {
                min-height: 85vh;
                padding: 132px 0 56px;
            }

            .category-hero h1 {
                font-size: 2.65rem;
            }

            .hero-index {
                bottom: 0;
            }
        }

        /* section headings */
        .section-head {
            margin-bottom: 56px;
        }

        @media (max-width: 767px) {
            .section-head {
                margin-bottom: 36px;
            }
        }

        .section-head .section-title {
            margin-bottom: 0;
        }

        .section-head .section-desc {
            margin-top: 12px;
        }

        /* split intro */
        .intro-figure {
            position: relative;
            height: 100%;
            border-radius: 28px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
            margin: 0;
            min-height: 420px;
        }

        .intro-figure img {
            width: 100%;
            height: 440px;
            object-fit: cover;
            transition: transform .7s ease;
        }

        .intro-figure:hover img {
            transform: scale(1.03);
        }

        .figure-caption {
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 18px;
            padding: 14px 20px;
            border-radius: 999px;
            background: rgba(6, 11, 9, 0.58);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.16);
            color: #F2F7F4;
            font-size: 13px;
        }

        .intro-note {
            background: var(--bg-ink);
            color: var(--text-light);
            border-radius: 24px;
            padding: 36px 28px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            min-height: 420px;
            position: relative;
            overflow: hidden;
        }

        .intro-note::before {
            content: "阅";
            position: absolute;
            top: -34px;
            right: -12px;
            font-size: 9rem;
            font-weight: 900;
            color: rgba(198, 244, 50, 0.07);
            line-height: 1;
        }

        .intro-note .vertical-mark {
            display: inline-block;
            width: 28px;
            height: 3px;
            background: var(--brand-lime);
            border-radius: 99px;
            margin-bottom: 20px;
        }

        .intro-note p {
            font-size: 16px;
            color: rgba(239, 247, 242, 0.8);
            line-height: 2;
            writing-mode: vertical-rl;
            align-self: flex-end;
            max-height: 60vh;
        }

        @media (max-width: 991px) {
            .intro-note p {
                writing-mode: horizontal-tb;
                align-self: auto;
                max-height: none;
            }
        }

        /* topic card */
        .topic-card {
            background: #fff;
            border: 1px solid var(--line-paper);
            border-radius: 24px;
            overflow: hidden;
            height: 100%;
            position: relative;
            box-shadow: var(--shadow-soft);
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .topic-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .topic-photo .photo-wrap {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
        }

        .topic-photo .photo-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .topic-card:hover .photo-wrap img {
            transform: scale(1.04);
        }

        .topic-body {
            padding: 28px;
        }

        .topic-tag {
            display: inline-block;
            background: var(--bg-ink);
            color: var(--brand-lime);
            font-size: 12px;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .topic-tag.light {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .topic-body h3 {
            font-size: 1.35rem;
            font-weight: 800;
            line-height: 1.45;
            margin-bottom: 12px;
        }

        .topic-body p {
            color: var(--text-muted-ink);
            font-size: 14px;
            line-height: 1.85;
            margin-bottom: 20px;
        }

        .topic-solid {
            background: linear-gradient(150deg, #0C1512 0%, #17231D 100%);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.1);
        }

        .topic-solid p {
            color: rgba(239, 247, 242, 0.74);
        }

        .topic-solid .arrow-link {
            color: var(--brand-lime);
        }

        .arrow-link {
            font-weight: 700;
            color: var(--text-main);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            transition: gap .2s ease;
        }

        .arrow-link:hover {
            gap: 12px;
        }

        .topic-banner {
            background-image: url('/assets/images/coverpic/cover-3.png');
            background-size: cover;
            background-position: center;
            border-radius: 24px;
            overflow: hidden;
            position: relative;
            min-height: 330px;
            margin-top: 24px;
        }

        .topic-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(6, 11, 9, 0.9), rgba(6, 11, 9, 0.38) 65%, rgba(198, 244, 50, 0.18));
        }

        .topic-banner-content {
            position: relative;
            z-index: 1;
            display: flex;
            min-height: 330px;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            padding: 48px 56px;
            color: #fff;
        }

        .topic-banner-content .topic-tag {
            margin-bottom: 14px;
        }

        .topic-banner-content h3 {
            font-size: clamp(1.5rem, 2.5vw, 2.3rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 12px;
        }

        .topic-banner-content p {
            color: rgba(239, 247, 242, 0.78);
            max-width: 600px;
        }

        @media (max-width: 767px) {
            .topic-banner-content {
                flex-direction: column;
                align-items: flex-start;
                padding: 36px 28px;
            }
        }

        /* matrix */
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .matrix-card {
            position: relative;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            min-height: 300px;
            padding: 30px 28px;
            border-radius: 24px;
            overflow: hidden;
            background-size: cover;
            background-position: center;
            border: 1px solid rgba(255, 255, 255, 0.16);
            transition: transform .3s ease, box-shadow .3s ease;
            text-align: left;
            color: #fff;
        }

        .matrix-card::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 11, 9, 0.08), rgba(6, 11, 9, 0.82) 82%);
        }

        .matrix-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .matrix-card:nth-child(1) {
            background-image: url('/assets/images/coverpic/cover-4.webp');
        }

        .matrix-card:nth-child(2) {
            background-image: url('/assets/images/coverpic/cover-5.png');
        }

        .matrix-card:nth-child(3) {
            background-image: url('/assets/images/coverpic/cover-6.png');
        }

        .matrix-card:nth-child(4) {
            background-image: url('/assets/images/coverpic/cover-7.png');
        }

        .matrix-num {
            font-size: 13px;
            font-weight: 800;
            color: var(--brand-lime);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .matrix-card h3 {
            font-size: 1.25rem;
            font-weight: 800;
            line-height: 1.4;
            position: relative;
            z-index: 1;
            margin-bottom: 8px;
        }

        .matrix-card p {
            position: relative;
            z-index: 1;
            font-size: 13px;
            color: rgba(239, 247, 242, 0.7);
        }

        .matrix-card .matrix-link {
            position: relative;
            z-index: 1;
            margin-top: 18px;
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .matrix-card .matrix-link:hover {
            color: var(--brand-lime);
        }

        @media (max-width: 991px) {
            .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575px) {
            .matrix-grid {
                grid-template-columns: 1fr;
            }

            .matrix-card {
                min-height: 240px;
            }
        }

        /* story listing */
        .story-card {
            display: flex;
            flex-direction: column;
            background: var(--bg-card);
            border: 1px solid var(--line-paper);
            border-radius: 20px;
            overflow: hidden;
            height: 100%;
            box-shadow: var(--shadow-soft);
            transition: transform .28s ease, box-shadow .28s ease;
        }

        .story-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .story-thumb {
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .story-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .story-card:hover .story-thumb img {
            transform: scale(1.02);
        }

        .story-info {
            padding: 24px 22px 26px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .story-tag {
            align-self: flex-start;
            background: var(--bg-paper);
            color: var(--text-main);
            border: 1px solid var(--line-paper);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 999px;
            margin-bottom: 12px;
        }

        .story-info h3 {
            font-size: 1.05rem;
            font-weight: 800;
            line-height: 1.6;
            color: #17211c;
            margin-bottom: 8px;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .story-card:hover .story-info h3 {
            color: #0f1813;
        }

        .story-info p {
            font-size: 13px;
            color: var(--text-muted-ink);
            line-height: 1.75;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .story-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: auto;
            padding-top: 16px;
            color: var(--text-muted-ink);
            font-size: 12px;
        }

        .story-meta .go-circle {
            color: var(--text-main);
            font-weight: 800;
            transition: color .2s;
        }

        .story-card:hover .story-meta .go-circle {
            color: var(--brand-lime-dark);
        }

        /* faq */
        .section-faq {
            background: var(--bg-paper);
        }

        .faq-ask-card {
            background: var(--bg-ink);
            color: #fff;
            border-radius: 24px;
            padding: 36px;
            position: sticky;
            top: 110px;
        }

        .faq-ask-card h3 {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 800;
        }

        .faq-ask-card p {
            color: rgba(239, 247, 242, 0.7);
            font-size: 14px;
            margin-top: 12px;
        }

        .faq-ask-card .btn-lime {
            margin-top: 24px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-list .accordion-item {
            background: #fff;
            border: 1px solid rgba(0, 0, 0, 0.07);
            border-radius: 18px !important;
            overflow: hidden;
        }

        .faq-list .accordion-button {
            background: #fff;
            padding: 20px 22px;
            font-weight: 700;
            font-size: 16px;
            color: var(--text-main);
            border-radius: 0 !important;
            box-shadow: none;
        }

        .faq-list .accordion-button:not(.collapsed) {
            background: #fff;
            color: var(--text-main);
            box-shadow: none;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .faq-list .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%231D2722' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
            transition: transform .3s ease;
        }

        .faq-list .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }

        .faq-list .accordion-body {
            padding: 8px 22px 22px;
            color: var(--text-muted-ink);
            font-size: 14px;
            line-height: 1.95;
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: #dfe8e2;
        }

        /* CTA subscribe */
        .subscribe-wrap {
            background: var(--bg-ink);
            color: #fff;
            padding-block: 80px;
        }

        .subscribe-inner {
            border-radius: 32px;
            border: 1px solid rgba(255, 255, 255, 0.17);
            background:
                radial-gradient(circle at 0% 0%, rgba(198, 244, 50, 0.22), transparent 34%),
                radial-gradient(circle at 90% 90%, rgba(255, 107, 61, 0.18), transparent 32%),
                #121915;
            padding: 72px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .subscribe-inner::after {
            content: "";
            position: absolute;
            width: 180px;
            height: 180px;
            right: -70px;
            bottom: -90px;
            border: 22px solid rgba(198, 244, 50, 0.28);
            border-radius: 50%;
        }

        .subscribe-inner h2 {
            font-size: clamp(1.9rem, 3vw, 2.8rem);
            font-weight: 900;
            color: var(--brand-lime);
            line-height: 1.25;
        }

        .subscribe-inner p {
            max-width: 640px;
            margin: 12px auto 30px;
            color: rgba(239, 247, 242, 0.74);
            font-size: 15px;
            position: relative;
            z-index: 1;
        }

        .subscribe-form {
            max-width: 560px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 8px;
            border-radius: 999px;
            position: relative;
            z-index: 1;
        }

        .subscribe-form input {
            background: transparent;
            border: none;
            color: #fff;
            height: 48px;
            flex: 1;
            padding: 0 20px;
            font-size: 14px;
        }

        .subscribe-form input::placeholder {
            color: rgba(239, 247, 242, 0.5);
        }

        .subscribe-form input:focus {
            outline: none;
            color: #fff;
        }

        .subscribe-form button {
            background: var(--brand-lime);
            border: none;
            font-weight: 700;
            height: 48px;
            padding: 0 26px;
            border-radius: 999px;
            color: #0E1510;
            min-width: 120px;
            transition: all .25s ease;
        }

        .subscribe-form button:hover {
            background: var(--brand-lime-dark);
            transform: translateY(-2px);
        }

        @media (max-width: 575px) {
            .subscribe-inner {
                padding: 44px 18px;
            }

            .subscribe-form {
                flex-direction: column;
                border: none;
                background: transparent;
                gap: 14px;
            }

            .subscribe-form input {
                width: 100%;
                background: rgba(255, 255, 255, 0.07);
                border: 1px solid rgba(255, 255, 255, 0.16);
                border-radius: 999px;
                text-align: center;
            }

            .subscribe-form button {
                width: 100%;
            }
        }

        /* footer */
        .site-footer {
            background: var(--bg-ink-deep);
            color: rgba(239, 247, 242, 0.78);
            padding: 72px 0 34px;
        }

        .site-footer .brand-logo .brand-main {
            color: #f4faf6;
        }

        .site-footer .brand-logo small {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(239, 247, 242, 0.65);
            transition: color .2s ease, padding-left .2s ease;
        }

        .footer-links a:hover {
            color: var(--brand-lime);
            padding-left: 4px;
        }

        .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-chip {
            display: inline-block;
            font-size: 12px;
            color: rgba(239, 247, 242, 0.75);
            padding: 7px 12px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--line-dark);
            transition: all .2s ease;
        }

        .tag-chip:hover {
            background: var(--brand-lime);
            color: #111713;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.09);
            padding-top: 22px;
            margin-top: 56px;
            font-size: 13px;
            color: rgba(239, 247, 242, 0.48);
        }

        .footer-bottom a {
            color: rgba(239, 247, 242, 0.48);
        }

        .footer-bottom a:hover {
            color: var(--brand-lime);
        }

        /* responsive */
        @media (max-width: 1199.98px) {
            .desktop-nav {
                gap: 18px;
            }

            .btn-header {
                display: none;
            }
        }

        @media (max-width: 991.98px) {
            .desktop-nav {
                display: none;
            }

            .nav-burger {
                display: inline-flex;
            }

            .search-pop {
                right: auto;
                left: 0;
                width: 260px;
            }
        }

        @media (max-width: 767px) {
            .section-title {
                font-size: 1.6rem;
            }

            .section-head .section-desc {
                font-size: 14px;
            }

            .story-card {
                flex-direction: column;
            }
        }

        @media (max-width: 575px) {
            .container-xl-custom {
                padding-inline: 20px;
            }

            .category-hero .hero-lead {
                font-size: 15px;
            }

            .hero-chip {
                font-size: 12px;
                padding: 7px 12px;
            }

            .btn {
                min-height: 48px;
                width: auto;
            }

            .topic-banner-content {
                min-height: auto;
            }

            .footer-links {
                gap: 12px;
            }
        }

        @media (max-width: 991px) and (orientation: landscape) {
            .category-hero {
                min-height: auto;
            }
        }

/* roulang page: category4 */
:root {
            --bg-ink: #0A0F0D;
            --bg-ink-deep: #060B09;
            --bg-night: #121915;
            --bg-paper: #F5F2EC;
            --bg-card: #FFFFFF;
            --text-main: #1D2722;
            --text-light: #EFF7F2;
            --text-muted-ink: #6E8077;
            --text-muted-light: #A6B8AE;
            --brand-lime: #C6F432;
            --brand-lime-dark: #9CD41A;
            --brand-coral: #FF6B3D;
            --line-dark: rgba(255, 255, 255, 0.12);
            --line-paper: rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 24px 60px -20px rgba(0, 0, 0, 0.35);
            --shadow-sm: 0 10px 30px -10px rgba(0, 0, 0, 0.25);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --font-stack: "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            background: var(--bg-paper);
            color: var(--text-main);
            line-height: 1.85;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
            color: inherit;
        }
        p {
            margin-top: 0;
        }
        .container-xl-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }
        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1090;
            background: rgba(4, 10, 8, 0.32);
            backdrop-filter: blur(18px) saturate(160%);
            -webkit-backdrop-filter: blur(18px) saturate(160%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background .35s ease, box-shadow .35s ease, border-color .35s ease;
        }
        .site-header.scrolled {
            background: rgba(7, 12, 10, 0.92);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
            border-bottom-color: rgba(255, 255, 255, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-lime);
            color: var(--bg-ink);
            font-weight: 900;
            font-size: 20px;
            border-radius: 10px;
            transform: skew(-6deg);
            line-height: 1;
            transition: transform .25s ease;
        }
        .brand-mark:hover {
            transform: skew(-6deg) scale(1.05);
        }
        .brand-text {
            font-weight: 800;
            font-size: 19px;
            color: var(--text-light);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .brand-official {
            font-size: 11px;
            color: var(--text-muted-light);
            letter-spacing: 0.06em;
            font-weight: 400;
            margin: 2px 0 0;
            line-height: 1.2;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0 auto;
        }
        .main-nav .nav-link {
            display: inline-block;
            padding: 10px 18px;
            border-radius: 999px;
            color: rgba(235, 245, 238, .86);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            background: transparent;
            transition: color .2s ease, background .2s ease;
        }
        .main-nav .nav-link::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            border-radius: 4px;
            background: var(--brand-lime);
            transition: width .25s ease;
        }
        .main-nav .nav-link:hover {
            color: var(--brand-lime);
        }
        .main-nav .nav-link:hover::after,
        .main-nav .nav-link.active::after {
            width: 24px;
        }
        .main-nav .nav-link.active {
            color: var(--brand-lime);
            font-weight: 700;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-toggle {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1px solid var(--line-dark);
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-light);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all .2s ease;
        }
        .search-toggle:hover {
            border-color: var(--brand-lime);
            color: var(--brand-lime);
        }
        .header-cta {
            padding: 10px 22px;
            border-radius: 999px;
            background: var(--brand-lime);
            color: var(--bg-ink);
            font-weight: 700;
            font-size: 14px;
            white-space: nowrap;
            border: none;
            transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
        }
        .header-cta:hover {
            background: #d8ff5a;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(198, 244, 50, .3);
            color: var(--bg-ink);
        }
        .header-searchbar {
            position: absolute;
            top: 66px;
            right: 18px;
            width: 420px;
            max-width: calc(100vw - 36px);
            background: rgba(7, 14, 11, .95);
            border: 1px solid var(--line-dark);
            border-radius: 16px;
            padding: 16px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: all .25s ease;
            z-index: 50;
            backdrop-filter: blur(20px);
        }
        .header-searchbar.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .header-searchbar input {
            width: 100%;
            border: 1px solid var(--line-dark);
            background: rgba(255, 255, 255, .06);
            border-radius: 999px;
            padding: 10px 18px;
            color: var(--text-light);
            font-size: 14px;
            outline: none;
            transition: border .2s ease;
        }
        .header-searchbar input:focus {
            border-color: var(--brand-lime);
        }
        .drawer-menu-btn {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid var(--line-dark);
            color: var(--text-light);
            display: none;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            cursor: pointer;
        }
        .mobile-drawer {
            position: fixed;
            inset: 0;
            z-index: 1200;
            transform: translateX(100%);
            transition: transform .35s ease;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .drawer-overlay {
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, .5);
        }
        .drawer-panel {
            position: absolute;
            top: 0;
            right: 0;
            width: min(360px, 86vw);
            height: 100%;
            background: var(--bg-night);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            box-shadow: -16px 0 50px rgba(0, 0, 0, .3);
            overflow-y: auto;
        }
        .drawer-panel .drawer-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }
        .drawer-close {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            border: none;
            background: rgba(255, 255, 255, .06);
            color: var(--text-light);
            font-size: 20px;
        }
        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .drawer-nav a {
            padding: 14px 18px;
            border-radius: 12px;
            color: var(--text-light);
            font-size: 16px;
            font-weight: 500;
            transition: background .2s ease, color .2s ease;
        }
        .drawer-nav a:hover {
            background: rgba(255, 255, 255, .06);
            color: var(--brand-lime);
        }
        .drawer-nav a.active {
            background: rgba(198, 244, 50, .12);
            color: var(--brand-lime);
            font-weight: 600;
        }
        @media (max-width: 991.98px) {
            .main-nav,
            .header-cta {
                display: none;
            }
            .drawer-menu-btn {
                display: inline-flex;
            }
        }
        @media (min-width: 992px) {
            .drawer-menu-btn {
                display: none !important;
            }
        }
        @media (max-width: 576px) {
            .brand-official {
                display: none;
            }
            .brand-text {
                font-size: 17px;
            }
        }
        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            min-height: 55vh;
            padding: 160px 0 90px;
            background: var(--bg-ink);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center 70%;
            isolation: isolate;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(6, 11, 9, .92) 8%, rgba(6, 11, 9, .72) 48%, rgba(6, 11, 9, .35) 100%);
            z-index: -2;
        }
        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(700px 340px at 14% 18%, rgba(198, 244, 50, .12), transparent 68%);
            z-index: -1;
        }
        .cat-hero-crumb {
            font-size: 13px;
            color: var(--text-muted-light);
            margin-bottom: 22px;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: .03em;
        }
        .cat-hero-crumb a {
            color: var(--text-muted-light);
            transition: color .2s ease;
        }
        .cat-hero-crumb a:hover {
            color: var(--brand-lime);
        }
        .cat-hero-crumb .crumb-divider {
            color: rgba(255, 255, 255, .4);
        }
        .category-hero h1 {
            font-size: clamp(2.2rem, 4.6vw, 3.6rem);
            font-weight: 900;
            color: var(--text-light);
            margin-bottom: 18px;
            line-height: 1.15;
            letter-spacing: .02em;
            position: relative;
            display: inline-block;
        }
        .category-hero h1::after {
            content: "";
            display: block;
            width: 70px;
            height: 4px;
            border-radius: 4px;
            background: var(--brand-lime);
            margin-top: 14px;
        }
        .cat-hero-desc {
            color: rgba(235, 245, 238, .82);
            max-width: 560px;
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 30px;
        }
        .cat-hero-num {
            position: absolute;
            right: 4%;
            top: 50%;
            transform: translateY(-50%);
            writing-mode: vertical-rl;
            font-size: clamp(120px, 23vw, 240px);
            font-weight: 900;
            color: rgba(255, 255, 255, .05);
            line-height: 1;
            z-index: -1;
            white-space: nowrap;
            text-align: center;
            user-select: none;
            letter-spacing: 16px;
        }
        .cat-hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-lime-solid {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--brand-lime);
            color: var(--bg-ink);
            font-weight: 700;
            padding: 14px 34px;
            border-radius: 999px;
            border: none;
            font-size: 15px;
            transition: transform .2s ease, box-shadow .2s ease, background .25s ease;
        }
        .btn-lime-solid:hover {
            background: #d8ff56;
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(198, 244, 50, .28);
            color: var(--bg-ink);
        }
        .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .28);
            background: rgba(255, 255, 255, .04);
            color: var(--text-light);
            font-weight: 500;
            font-size: 15px;
            transition: all .2s ease;
        }
        .btn-ghost-light:hover {
            border-color: var(--brand-lime);
            color: var(--brand-lime);
            background: rgba(198, 244, 50, .06);
        }
        @media (max-width: 767.98px) {
            .category-hero {
                padding: 130px 0 70px;
                min-height: auto;
            }
            .cat-hero-num {
                display: none;
            }
        }
        /* ===== Section titles ===== */
        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(198, 244, 50, .18);
            color: #4d6e14;
            font-weight: 600;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 999px;
            letter-spacing: .04em;
            margin-bottom: 14px;
        }
        .section-kicker.dark {
            background: rgba(198, 244, 50, .15);
            color: var(--brand-lime);
        }
        .section-title {
            font-size: clamp(1.6rem, 2.4vw, 2.2rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
        }
        .section-desc {
            color: var(--text-muted-ink);
            max-width: 620px;
            margin-bottom: 0;
        }
        /* ===== sections ===== */
        .block-pad {
            padding-top: 88px;
            padding-bottom: 88px;
        }
        @media (max-width: 767.98px) {
            .block-pad {
                padding-top: 58px;
                padding-bottom: 58px;
            }
        }
        .bg-paper {
            background: var(--bg-paper);
        }
        .bg-white-card {
            background: #faf9f5;
        }
        .bg-ink-section {
            background: var(--bg-ink);
            color: var(--text-light);
        }
        .bg-night-section {
            background: var(--bg-night);
        }
        /* ===== Section A : 主图 + 竖排引言 ===== */
        .secA-wrap {
            display: flex;
            gap: 30px;
            align-items: stretch;
        }
        .secA-main-col {
            flex: 0 0 84%;
            max-width: 84%;
        }
        .secA-side-col {
            flex: 1;
            max-width: 16%;
            display: flex;
        }
        .secA-bigimg {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            height: 100%;
            min-height: 380px;
            background-size: cover;
            background-position: center;
        }
        .secA-bigimg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .secA-bigimg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(5, 12, 8, .75) 0%, transparent 48%);
            pointer-events: none;
        }
        .secA-bigimg .img-caption {
            position: absolute;
            left: 22px;
            right: 22px;
            bottom: 20px;
            z-index: 2;
            color: #f0f7f2;
        }
        .vertical-note {
            writing-mode: vertical-rl;
            font-size: 15px;
            letter-spacing: .3em;
            color: var(--text-muted-ink);
            font-weight: 400;
            border-left: 2px solid var(--brand-lime-dark);
            padding-left: 12px;
            white-space: nowrap;
            align-self: center;
        }
        .vertical-note strong {
            color: var(--text-main);
        }
        @media (max-width: 991.98px) {
            .secA-wrap {
                flex-wrap: wrap;
            }
            .secA-main-col {
                flex: 0 0 100%;
                max-width: 100%;
            }
            .secA-side-col {
                max-width: 100%;
                flex: 0 0 100%;
            }
            .vertical-note {
                writing-mode: horizontal-tb;
                border-left: none;
                border-top: 2px solid var(--brand-lime-dark);
                padding-left: 0;
                padding-top: 12px;
                white-space: normal;
            }
        }
        @media (max-width: 576px) {
            .secA-bigimg {
                min-height: 250px;
            }
        }
        /* ===== Section B : 交错卡片 ===== */
        .b-card-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .b-card-item {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(0, 0, 0, .04);
            box-shadow: 0 4px 16px rgba(20, 40, 30, .06);
            transition: transform .25s ease, box-shadow .25s ease;
        }
        .b-card-item:hover {
            transform: translateY(-4px);
            box-shadow: 0 18px 40px rgba(20, 40, 30, .1);
        }
        .b-card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .b-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .b-card-item:hover .b-card-img img {
            transform: scale(1.03);
        }
        .b-card-body {
            padding: 24px 24px 26px;
        }
        .b-card-body h3 {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .b-card-body p {
            color: var(--text-muted-ink);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .b-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            border-bottom: 2px solid transparent;
            padding-bottom: 2px;
            transition: gap .2s ease, color .2s ease;
        }
        .b-more:hover {
            color: #6d9200;
            gap: 12px;
        }
        .b-more i {
            font-size: 12px;
        }
        .feature-card-wide {
            grid-column: span 2;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(0, 0, 0, .04);
            box-shadow: 0 6px 24px rgba(20, 40, 30, .07);
            transition: transform .25s ease, box-shadow .25s ease;
        }
        .feature-card-wide:hover {
            transform: translateY(-4px);
            box-shadow: 0 22px 44px rgba(20, 40, 30, .1);
        }
        .feature-card-wide .fc-img {
            height: 100%;
            min-height: 280px;
        }
        .feature-card-wide .fc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-card-wide .fc-body {
            padding: 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .feature-card-wide .fc-body .tag-chip-btn {
            align-self: flex-start;
            margin-bottom: 14px;
        }
        .feature-card-wide h3 {
            font-size: 24px;
            margin-bottom: 14px;
        }
        @media (max-width: 767.98px) {
            .b-card-grid {
                grid-template-columns: 1fr;
            }
            .feature-card-wide {
                grid-column: span 1;
                grid-template-columns: 1fr;
            }
            .feature-card-wide .fc-img {
                min-height: 220px;
            }
            .feature-card-wide .fc-body {
                padding: 24px;
            }
        }
        @media (max-width: 576px) {
            .b-card-grid {
                gap: 16px;
            }
        }
        /* ===== Section C 数据高亮矩阵 ===== */
        .glow-box {
            background: linear-gradient(135deg, #16211b 0%, #0e1712 100%);
            border: 1px solid rgba(255, 255, 255, .07);
            border-radius: 22px;
            padding: 28px 24px;
            height: 100%;
            transition: border-color .3s ease, box-shadow .3s ease, transform .3s ease;
            position: relative;
            overflow: hidden;
        }
        .glow-box:hover {
            border-color: rgba(198, 244, 50, .3);
            box-shadow: 0 20px 50px rgba(0, 0, 0, .3);
            transform: translateY(-3px);
        }
        .glow-box .num-label {
            font-size: 13px;
            color: var(--text-muted-light);
            margin-bottom: 12px;
            display: block;
        }
        .glow-box .num-value {
            font-size: clamp(28px, 3.2vw, 44px);
            font-weight: 900;
            color: var(--brand-lime);
            line-height: 1;
            letter-spacing: -0.01em;
        }
        .glow-box .num-suffix {
            font-size: 16px;
            font-weight: 600;
            color: var(--brand-lime-dark);
            margin-left: 2px;
        }
        .glow-box .num-desc {
            color: var(--text-muted-light);
            font-size: 14px;
            margin-top: 14px;
            line-height: 1.7;
        }
        .matrix-cards {
            background: var(--bg-night);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, .08);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .matrix-cards h4 {
            color: var(--text-light);
            font-size: 18px;
            margin-bottom: 6px;
        }
        .matrix-cards span {
            color: var(--text-muted-light);
            font-size: 14px;
        }
        /* ===== Section D 文章入口横向卡 ===== */
        .entry-rows {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .entry-row-card {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 16px;
            background: var(--bg-card);
            border-radius: 16px;
            border: 1px solid rgba(0, 0, 0, .04);
            box-shadow: 0 4px 16px rgba(20, 40, 30, .06);
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .entry-row-card:hover {
            transform: translateX(6px);
            box-shadow: 0 12px 30px rgba(20, 40, 30, .1);
        }
        .entry-row-card .entry-thumb {
            width: 130px;
            height: 84px;
            object-fit: cover;
            border-radius: 12px;
            flex-shrink: 0;
        }
        .entry-card-body {
            flex: 1;
            min-width: 0;
        }
        .entry-card-body .entry-tag {
            display: inline-block;
            background: rgba(198, 244, 50, .2);
            color: #425f0c;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 999px;
            margin-bottom: 6px;
        }
        .entry-card-body h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .entry-card-body p {
            font-size: 13px;
            color: var(--text-muted-ink);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 0;
        }
        @media (max-width: 576px) {
            .entry-row-card {
                flex-direction: row;
                align-items: flex-start;
            }
            .entry-row-card .entry-thumb {
                width: 100px;
                height: 70px;
            }
            .entry-card-body h4 {
                white-space: normal;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }
        }
        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 44px;
            align-items: start;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: rgba(255, 255, 255, .7);
            border: 1px solid rgba(0, 0, 0, .08);
            border-radius: 18px;
            padding: 22px 26px;
            transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: rgba(120, 140, 90, .25);
        }
        .faq-item.active {
            background: #fff;
            border-color: rgba(157, 212, 26, .35);
            box-shadow: 0 8px 30px rgba(20, 40, 30, .07);
        }
        .faq-head {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .faq-num {
            background: rgba(198, 244, 50, .22);
            color: #435f10;
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 14px;
            border-radius: 10px;
            flex-shrink: 0;
        }
        .faq-question {
            flex: 1;
            font-size: 16px;
            font-weight: 700;
            line-height: 1.45;
        }
        .faq-arrow {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(0, 0, 0, .04);
            transition: transform .3s ease, background .3s ease;
            font-size: 14px;
            flex-shrink: 0;
        }
        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            background: rgba(198, 244, 50, .3);
        }
        .faq-body {
            padding: 0;
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
        }
        .faq-item.active .faq-body {
            padding: 16px 0 0 56px;
            max-height: 260px;
        }
        .faq-body p {
            color: var(--text-muted-ink);
            font-size: 15px;
            line-height: 1.8;
            margin: 0;
        }
        .contact-card-fixed {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(0, 0, 0, .06);
            box-shadow: 0 12px 36px rgba(20, 40, 30, .08);
            padding: 30px;
            position: sticky;
            top: 100px;
        }
        .contact-card-fixed h3 {
            font-size: 20px;
            margin-bottom: 12px;
        }
        .contact-card-fixed p {
            font-size: 14px;
            color: var(--text-muted-ink);
            margin-bottom: 18px;
        }
        @media (max-width: 991.98px) {
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .contact-card-fixed {
                position: static;
            }
        }
        @media (max-width: 576px) {
            .faq-item {
                padding: 18px;
            }
            .faq-num {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }
            .faq-item.active .faq-body {
                padding: 12px 0 0 14px;
            }
        }
        /* ===== CTA / 页脚 ===== */
        .site-footer {
            background: var(--bg-ink-deep);
            color: var(--text-light);
            padding: 72px 0 0;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #e0ece3;
            margin-bottom: 20px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: #98aa9d;
            transition: color .2s ease, padding-left .2s ease;
        }
        .footer-links a:hover {
            color: var(--brand-lime);
            padding-left: 4px;
        }
        .footer-bottom {
            margin-top: 50px;
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 22px 0 32px;
            font-size: 13px;
            color: #799084;
        }
        .footer-subnote {
            color: #6b8075;
            font-size: 12px;
        }
        .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-chip {
            background: rgba(255, 255, 255, .06);
            padding: 6px 15px;
            border-radius: 999px;
            font-size: 13px;
            color: #b6cabe;
            border: 1px solid rgba(255, 255, 255, .06);
        }
        .content-tag {
            display: inline-block;
            background: rgba(198, 244, 50, .15);
            color: #d3f652;
            font-size: 13px;
            padding: 4px 14px;
            border-radius: 999px;
            margin-right: 6px;
            margin-bottom: 6px;
        }
        .fa-solid.fa-bars,
        .fa-solid.fa-xmark {
            pointer-events: none;
        }
        .custom-faq-toggle {
            cursor: pointer;
        }
        /* 主 CTA 区 */
        .cta-banner {
            background: var(--bg-ink);
            border-radius: 24px;
            padding: 60px 50px;
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(8,14,11,0.96) 0%, rgba(8,14,11,0.8) 55%, rgba(8,14,11,0.4) 100%);
        }
        .cta-banner .row {
            position: relative;
            z-index: 2;
        }
        .cta-banner h2 {
            color: var(--text-light);
            font-size: clamp(1.5rem, 2.4vw, 2.2rem);
            margin-bottom: 10px;
        }
        .cta-banner p {
            color: rgba(235,245,238,.88);
            font-size: 15px;
            margin-bottom: 0;
        }
        .cta-title {
            color: var(--text-light);
            font-size: clamp(1.8rem, 2.6vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-desc {
            color: rgba(255,255,255,.74);
            font-size: 15px;
            margin-bottom: 24px;
        }
        .footer-icp {
            color: #4e6257;
            font-size: 12px;
            margin-top: 16px;
            text-align: center;
            width: 100%;
        }
        .footer-icp a {
            color: #6b8075;
        }
        .footer-icp a:hover {
            color: var(--brand-lime);
        }
        @media (max-width: 576px) {
            .cta-banner {
                padding: 36px 20px;
                border-radius: 18px;
            }
        }
        .top-margin-fixed {
            padding-top: 110px;
        }
        .mt--60 {
            margin-top: -20px;
        }
        a:focus-visible,
        button:focus-visible,
        .faq-item:focus-visible {
            outline: 2px solid var(--brand-lime);
            outline-offset: 3px;
        }
        .card-list-flat {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .btn-check+.btn {
            border: 1px solid transparent;
        }