/* roulang page: index */
:root {
            --bg: #06111f;
            --bg-2: #081827;
            --bg-3: #0b1020;
            --panel: rgba(13, 31, 52, .72);
            --panel-2: rgba(11, 23, 40, .88);
            --panel-soft: rgba(255, 255, 255, .055);
            --text: #f4f8ff;
            --text-2: #c7d5ea;
            --muted: #7f93ad;
            --line: rgba(117, 184, 255, .22);
            --line-strong: rgba(53, 230, 210, .42);
            --primary: #2d7dff;
            --primary-2: #00a3ff;
            --cyan: #35e6d2;
            --purple: #7c5cff;
            --warm: #ffb86b;
            --dangerless: #ffcf8d;
            --radius-xl: 34px;
            --radius-lg: 26px;
            --radius-md: 18px;
            --radius-pill: 999px;
            --shadow: 0 28px 80px rgba(0, 0, 0, .35);
            --shadow-glow: 0 0 0 1px rgba(53, 230, 210, .14), 0 24px 70px rgba(45, 125, 255, .16);
            --container: 1200px;
            --nav-h: 138px;
            --trans: 220ms ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Heiti SC", Arial, sans-serif;
            color: var(--text);
            background:
                radial-gradient(circle at 18% 0%, rgba(45, 125, 255, .26), transparent 32%),
                radial-gradient(circle at 86% 8%, rgba(124, 92, 255, .2), transparent 34%),
                radial-gradient(circle at 50% 62%, rgba(53, 230, 210, .08), transparent 38%),
                linear-gradient(180deg, var(--bg), var(--bg-3) 54%, #050b15);
            line-height: 1.75;
            overflow-x: hidden;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            background-image:
                linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
            background-size: 42px 42px;
            mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.25), transparent);
            z-index: -2;
        }

        body::after {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            opacity: .22;
            background:
                repeating-linear-gradient(0deg, rgba(255,255,255,.035) 0, rgba(255,255,255,.035) 1px, transparent 1px, transparent 6px);
            z-index: -1;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--trans), transform var(--trans), border-color var(--trans), background var(--trans), box-shadow var(--trans);
        }

        a:hover {
            color: var(--cyan);
        }

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

        button,
        input {
            font: inherit;
        }

        :focus-visible {
            outline: 3px solid rgba(53, 230, 210, .78);
            outline-offset: 3px;
            border-radius: 14px;
        }

        .site-container {
            width: min(100% - 40px, var(--container));
            margin-inline: auto;
        }

        .section {
            padding: 88px 0;
            position: relative;
        }

        .section-tight {
            padding: 58px 0;
        }

        .section-head {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 28px;
            margin-bottom: 34px;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--cyan);
            font-size: 13px;
            font-weight: 700;
            padding: 8px 13px;
            border: 1px solid rgba(53, 230, 210, .22);
            border-radius: var(--radius-pill);
            background: rgba(53, 230, 210, .07);
            margin-bottom: 12px;
        }

        .section-title {
            margin: 0;
            font-size: clamp(26px, 3.2vw, 38px);
            line-height: 1.22;
            font-weight: 800;
            letter-spacing: -.02em;
        }

        .section-desc {
            margin: 10px 0 0;
            color: var(--text-2);
            max-width: 680px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(20px);
            background: rgba(5, 13, 25, .76);
            border-bottom: 1px solid rgba(117, 184, 255, .16);
            box-shadow: 0 12px 48px rgba(0,0,0,.28);
        }

        .brand-row {
            min-height: 78px;
            display: flex;
            align-items: center;
            gap: 22px;
            justify-content: space-between;
        }

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

        .logo-mark {
            width: 46px;
            height: 46px;
            flex: 0 0 46px;
            border-radius: 16px;
            position: relative;
            overflow: hidden;
            background:
                linear-gradient(135deg, rgba(45,125,255,.95), rgba(53,230,210,.86)),
                radial-gradient(circle at 60% 20%, #fff, transparent 35%);
            box-shadow: 0 0 28px rgba(45, 125, 255, .45);
        }

        .logo-mark::before,
        .logo-mark::after {
            content: "";
            position: absolute;
            left: 9px;
            right: 9px;
            height: 3px;
            border-radius: 999px;
            background: rgba(255,255,255,.86);
        }

        .logo-mark::before {
            top: 15px;
            box-shadow: 0 9px 0 rgba(255,255,255,.62);
        }

        .logo-mark::after {
            bottom: 10px;
            width: 15px;
            right: auto;
        }

        .brand-text {
            min-width: 0;
        }

        .brand-name {
            display: block;
            font-size: 18px;
            font-weight: 900;
            letter-spacing: -.02em;
            white-space: nowrap;
            color: var(--text);
        }

        .brand-sub {
            display: block;
            margin-top: 2px;
            font-size: 12px;
            color: var(--muted);
            white-space: nowrap;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 1;
            justify-content: flex-end;
            min-width: 0;
        }

        .search-wrap {
            width: min(420px, 44vw);
            position: relative;
        }

        .search-wrap::before {
            content: "⌕";
            position: absolute;
            left: 18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--cyan);
            font-size: 18px;
            pointer-events: none;
        }

        .search-input {
            width: 100%;
            height: 46px;
            border: 1px solid rgba(117, 184, 255, .24);
            border-radius: var(--radius-pill);
            color: var(--text);
            padding: 0 18px 0 44px;
            background: rgba(255,255,255,.055);
            box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
            transition: border-color var(--trans), box-shadow var(--trans), background var(--trans);
        }

        .search-input::placeholder {
            color: rgba(199, 213, 234, .62);
        }

        .search-input:focus {
            border-color: rgba(53, 230, 210, .58);
            box-shadow: 0 0 0 4px rgba(53, 230, 210, .12);
            background: rgba(255,255,255,.078);
            outline: none;
        }

        .btn-glow,
        .btn-ghost {
            min-height: 46px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-pill);
            padding: 11px 20px;
            font-weight: 800;
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn-glow {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            box-shadow: 0 14px 35px rgba(45, 125, 255, .28), 0 0 22px rgba(53, 230, 210, .18);
        }

        .btn-glow:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 18px 45px rgba(45, 125, 255, .4), 0 0 30px rgba(53, 230, 210, .25);
        }

        .btn-ghost {
            color: var(--text);
            background: rgba(255,255,255,.055);
            border-color: rgba(117, 184, 255, .22);
        }

        .btn-ghost:hover {
            color: var(--cyan);
            background: rgba(53, 230, 210, .08);
            border-color: rgba(53, 230, 210, .42);
            transform: translateY(-2px);
        }

        .channel-row {
            border-top: 1px solid rgba(117, 184, 255, .1);
            background: rgba(2, 7, 14, .22);
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 10px;
            min-height: 58px;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }

        .channel-nav::-webkit-scrollbar {
            display: none;
        }

        .channel-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 15px;
            border-radius: var(--radius-pill);
            color: var(--text-2);
            border: 1px solid rgba(117, 184, 255, .14);
            background: rgba(255,255,255,.035);
            white-space: nowrap;
            font-size: 14px;
            font-weight: 700;
        }

        .channel-link:hover,
        .channel-link.active {
            color: #fff;
            border-color: rgba(53, 230, 210, .45);
            background: linear-gradient(135deg, rgba(45, 125, 255, .46), rgba(53, 230, 210, .18));
            box-shadow: 0 0 20px rgba(45, 125, 255, .16);
        }

        .hero {
            padding: 76px 0 34px;
            position: relative;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 44px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            color: var(--text);
            border: 1px solid rgba(53, 230, 210, .28);
            background: rgba(53, 230, 210, .07);
            border-radius: var(--radius-pill);
            padding: 8px 14px;
            font-size: 13px;
            font-weight: 800;
            margin-bottom: 18px;
        }

        .pulse-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--cyan);
            box-shadow: 0 0 0 6px rgba(53, 230, 210, .12), 0 0 18px rgba(53, 230, 210, .8);
        }

        h1 {
            margin: 0;
            font-size: clamp(34px, 5.5vw, 58px);
            line-height: 1.16;
            font-weight: 900;
            letter-spacing: -.04em;
        }

        .text-gradient {
            background: linear-gradient(135deg, #fff, #d7e7ff 38%, #75f7e8 74%, #b9adff);
            -webkit-background-clip: text;
            color: transparent;
        }

        .hero-lead {
            margin: 22px 0 0;
            color: var(--text-2);
            font-size: 17px;
            max-width: 680px;
        }

        .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 30px;
        }

        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 28px;
        }

        .mini-tag {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 12px;
            border-radius: var(--radius-pill);
            background: rgba(255,255,255,.045);
            border: 1px solid rgba(117, 184, 255, .16);
            color: var(--text-2);
            font-size: 13px;
        }

        .hero-visual {
            position: relative;
        }

        .cover-card {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-xl);
            background:
                radial-gradient(circle at 20% 10%, rgba(53,230,210,.2), transparent 32%),
                radial-gradient(circle at 86% 20%, rgba(124,92,255,.28), transparent 30%),
                linear-gradient(150deg, rgba(18, 41, 70, .86), rgba(7, 17, 31, .78));
            border: 1px solid rgba(117, 184, 255, .22);
            box-shadow: var(--shadow-glow);
            padding: 28px;
            min-height: 474px;
            backdrop-filter: blur(18px);
        }

        .cover-card::before {
            content: "";
            position: absolute;
            inset: 0;
            background:
                linear-gradient(90deg, transparent, rgba(53,230,210,.14), transparent),
                repeating-linear-gradient(180deg, transparent 0 34px, rgba(255,255,255,.05) 35px, transparent 36px);
            transform: skewY(-6deg) translateY(14px);
            opacity: .64;
            pointer-events: none;
        }

        .cover-top {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
        }

        .cover-title {
            font-size: 14px;
            color: var(--text-2);
            font-weight: 800;
        }

        .live-badge {
            color: #121722;
            background: var(--warm);
            border-radius: var(--radius-pill);
            padding: 5px 10px;
            font-size: 12px;
            font-weight: 900;
        }

        .subtitle-frame {
            position: relative;
            border: 1px solid rgba(53, 230, 210, .28);
            background: rgba(0,0,0,.22);
            border-radius: 28px;
            padding: 24px;
            min-height: 210px;
            box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
        }

        .subtitle-line {
            height: 12px;
            border-radius: 99px;
            background: linear-gradient(90deg, rgba(255,255,255,.82), rgba(53,230,210,.28), transparent);
            margin: 18px 0;
        }

        .subtitle-line:nth-child(2) {
            width: 82%;
        }

        .subtitle-line:nth-child(3) {
            width: 64%;
            background: linear-gradient(90deg, rgba(45,125,255,.9), rgba(124,92,255,.36), transparent);
        }

        .subtitle-line:nth-child(4) {
            width: 76%;
        }

        .directory-mini {
            position: relative;
            display: grid;
            gap: 12px;
            margin-top: 24px;
        }

        .dir-mini-row {
            display: grid;
            grid-template-columns: 42px 1fr auto;
            align-items: center;
            gap: 12px;
            border-radius: 18px;
            padding: 13px;
            background: rgba(255,255,255,.06);
            border: 1px solid rgba(117, 184, 255, .15);
        }

        .dir-num {
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(45, 125, 255, .22);
            color: var(--cyan);
            font-weight: 900;
        }

        .dir-text strong {
            display: block;
            font-size: 14px;
        }

        .dir-text span {
            display: block;
            color: var(--muted);
            font-size: 12px;
        }

        .info-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
            margin-top: 34px;
        }

        .info-item {
            border-radius: 20px;
            background: rgba(255,255,255,.045);
            border: 1px solid rgba(117, 184, 255, .14);
            padding: 16px;
            min-height: 94px;
        }

        .info-item strong {
            display: block;
            font-size: 24px;
            line-height: 1;
            color: #fff;
        }

        .info-item span {
            display: block;
            color: var(--muted);
            margin-top: 10px;
            font-size: 13px;
        }

        .glass-card {
            position: relative;
            overflow: hidden;
            height: 100%;
            border-radius: var(--radius-lg);
            background: var(--panel);
            border: 1px solid rgba(117, 184, 255, .18);
            box-shadow: 0 18px 60px rgba(0,0,0,.22);
            backdrop-filter: blur(16px);
            transition: transform var(--trans), border-color var(--trans), box-shadow var(--trans), background var(--trans);
        }

        .glass-card:hover {
            transform: translateY(-5px);
            border-color: rgba(53, 230, 210, .42);
            box-shadow: var(--shadow-glow);
            background: rgba(16, 38, 64, .82);
        }

        .directory-card {
            padding: 26px;
        }

        .directory-card::before {
            content: "";
            position: absolute;
            left: 22px;
            right: 22px;
            top: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(53, 230, 210, .8), transparent);
            opacity: .75;
        }

        .card-number {
            font-size: 42px;
            line-height: 1;
            font-weight: 900;
            color: rgba(53, 230, 210, .72);
            text-shadow: 0 0 24px rgba(53,230,210,.24);
            margin-bottom: 18px;
        }

        .badge-soft {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 7px 11px;
            border-radius: var(--radius-pill);
            color: var(--text-2);
            background: rgba(45, 125, 255, .12);
            border: 1px solid rgba(45, 125, 255, .25);
            font-size: 12px;
            font-weight: 800;
            margin-bottom: 13px;
        }

        .directory-card h3,
        .feature-card h3,
        .recommend-card h3 {
            margin: 0 0 10px;
            font-size: 22px;
            font-weight: 850;
            line-height: 1.35;
        }

        .directory-card p,
        .feature-card p,
        .recommend-card p {
            color: var(--text-2);
            margin: 0 0 18px;
            font-size: 15px;
        }

        .link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--cyan);
            font-weight: 850;
            font-size: 14px;
        }

        .link-arrow:hover {
            transform: translateX(3px);
            color: #fff;
        }

        .stream-grid {
            display: grid;
            grid-template-columns: .95fr 1.05fr;
            gap: 26px;
            align-items: start;
        }

        .feature-card {
            padding: 28px;
        }

        .feature-cover {
            aspect-ratio: 16/9;
            border-radius: 24px;
            margin-bottom: 22px;
            overflow: hidden;
            position: relative;
            background:
                radial-gradient(circle at 28% 20%, rgba(53,230,210,.34), transparent 32%),
                linear-gradient(135deg, rgba(45,125,255,.74), rgba(124,92,255,.45), rgba(4,10,20,.7));
            border: 1px solid rgba(255,255,255,.1);
        }

        .feature-cover::before {
            content: "";
            position: absolute;
            left: 26px;
            right: 26px;
            bottom: 26px;
            height: 42px;
            border-radius: 16px;
            background:
                linear-gradient(90deg, rgba(255,255,255,.75) 0 44%, transparent 44% 49%, rgba(53,230,210,.8) 49% 76%, transparent 76%);
            filter: drop-shadow(0 0 22px rgba(53,230,210,.26));
        }

        .item-list {
            display: grid;
            gap: 16px;
        }

        .stream-item {
            display: grid;
            grid-template-columns: 108px 1fr;
            gap: 18px;
            padding: 16px;
            border-radius: 24px;
            background: rgba(255,255,255,.05);
            border: 1px solid rgba(117, 184, 255, .16);
            transition: transform var(--trans), border-color var(--trans), background var(--trans);
        }

        .stream-item:hover {
            transform: translateX(4px);
            border-color: rgba(53, 230, 210, .38);
            background: rgba(255,255,255,.072);
        }

        .thumb {
            min-height: 86px;
            border-radius: 18px;
            position: relative;
            overflow: hidden;
            background:
                linear-gradient(135deg, rgba(53,230,210,.34), rgba(45,125,255,.18)),
                radial-gradient(circle at 72% 22%, rgba(255,255,255,.32), transparent 28%);
            border: 1px solid rgba(255,255,255,.09);
        }

        .thumb::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 16px;
            height: 6px;
            border-radius: 99px;
            background: rgba(255,255,255,.72);
            box-shadow: 0 -12px 0 rgba(255,255,255,.28);
        }

        .stream-content h3 {
            margin: 0 0 6px;
            font-size: 18px;
            font-weight: 850;
        }

        .stream-content p {
            margin: 0;
            color: var(--text-2);
            font-size: 14px;
        }

        .meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 12px;
            align-items: center;
        }

        .meta-pill {
            font-size: 12px;
            color: var(--muted);
            border: 1px solid rgba(117, 184, 255, .14);
            background: rgba(255,255,255,.04);
            border-radius: var(--radius-pill);
            padding: 4px 9px;
        }

        .recommend-grid {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 24px;
        }

        .recommend-card {
            padding: 26px;
        }

        .recommend-card.large {
            min-height: 360px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            background:
                linear-gradient(180deg, rgba(53,230,210,.06), rgba(7,17,31,.88)),
                radial-gradient(circle at 20% 20%, rgba(45,125,255,.34), transparent 40%),
                rgba(11, 23, 40, .86);
        }

        .small-recs {
            display: grid;
            gap: 18px;
        }

        .small-rec {
            padding: 20px;
            border-radius: 24px;
            background: rgba(255,255,255,.052);
            border: 1px solid rgba(117, 184, 255, .16);
            transition: transform var(--trans), border-color var(--trans), background var(--trans);
        }

        .small-rec:hover {
            transform: translateY(-3px);
            border-color: rgba(53, 230, 210, .36);
            background: rgba(255,255,255,.075);
        }

        .small-rec strong {
            display: block;
            font-size: 17px;
            margin-bottom: 6px;
        }

        .small-rec span {
            color: var(--text-2);
            font-size: 14px;
        }

        .proof-panel {
            border-radius: var(--radius-xl);
            background:
                linear-gradient(135deg, rgba(45,125,255,.12), rgba(53,230,210,.055)),
                rgba(255,255,255,.04);
            border: 1px solid rgba(117, 184, 255, .18);
            padding: 30px;
            box-shadow: var(--shadow);
        }

        .proof-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .proof-item {
            border-radius: 24px;
            padding: 22px;
            background: rgba(3, 10, 20, .38);
            border: 1px solid rgba(117, 184, 255, .14);
        }

        .score {
            display: flex;
            align-items: center;
            gap: 4px;
            color: var(--warm);
            margin-bottom: 10px;
            letter-spacing: 1px;
        }

        .proof-item p {
            color: var(--text-2);
            margin: 0;
            font-size: 15px;
        }

        .faq-wrap .accordion {
            display: grid;
            gap: 14px;
        }

        .faq-wrap .accordion-item {
            background: rgba(255,255,255,.045);
            border: 1px solid rgba(117, 184, 255, .16);
            border-radius: 22px !important;
            overflow: hidden;
            color: var(--text);
        }

        .faq-wrap .accordion-button {
            min-height: 62px;
            color: var(--text);
            background: transparent;
            box-shadow: none;
            font-weight: 850;
            padding: 18px 22px;
        }

        .faq-wrap .accordion-button:not(.collapsed) {
            color: #fff;
            background: rgba(53, 230, 210, .065);
            border-bottom: 1px solid rgba(53, 230, 210, .18);
        }

        .faq-wrap .accordion-button::after {
            filter: invert(1) grayscale(1);
            opacity: .75;
        }

        .faq-wrap .accordion-body {
            color: var(--text-2);
            padding: 18px 22px 22px;
        }

        .cta-panel {
            position: relative;
            overflow: hidden;
            border-radius: 36px;
            padding: 38px;
            background:
                radial-gradient(circle at 10% 18%, rgba(53,230,210,.2), transparent 32%),
                radial-gradient(circle at 82% 30%, rgba(124,92,255,.26), transparent 34%),
                linear-gradient(135deg, rgba(14, 37, 65, .92), rgba(6, 17, 31, .86));
            border: 1px solid rgba(53, 230, 210, .28);
            box-shadow: var(--shadow-glow);
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 28px;
            align-items: center;
        }

        .cta-panel::after {
            content: "";
            position: absolute;
            inset: auto -12% -40% 35%;
            height: 160px;
            background: repeating-linear-gradient(0deg, rgba(255,255,255,.12) 0 2px, transparent 2px 16px);
            transform: rotate(-8deg);
            opacity: .25;
        }

        .cta-panel h2 {
            margin: 0 0 10px;
            font-size: clamp(26px, 3vw, 36px);
            font-weight: 900;
        }

        .cta-panel p {
            margin: 0;
            color: var(--text-2);
            max-width: 720px;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 1;
        }

        .site-footer {
            padding: 56px 0 28px;
            background: rgba(2, 7, 14, .64);
            border-top: 1px solid rgba(53, 230, 210, .18);
            margin-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.35fr .8fr .8fr;
            gap: 34px;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-title {
            font-weight: 900;
            font-size: 18px;
        }

        .footer-desc {
            color: var(--text-2);
            margin: 0;
            max-width: 560px;
        }

        .footer-col h3 {
            font-size: 15px;
            font-weight: 900;
            margin: 0 0 14px;
            color: #fff;
        }

        .footer-links {
            display: grid;
            gap: 10px;
        }

        .footer-links a {
            color: var(--text-2);
            font-size: 14px;
        }

        .footer-links a:hover {
            color: var(--cyan);
            transform: translateX(3px);
        }

        .copyright {
            margin-top: 34px;
            padding-top: 22px;
            border-top: 1px solid rgba(117, 184, 255, .12);
            color: var(--muted);
            font-size: 13px;
            display: flex;
            justify-content: space-between;
            gap: 18px;
            flex-wrap: wrap;
        }

        @media (max-width: 1199px) {
            .hero-grid,
            .stream-grid,
            .recommend-grid {
                grid-template-columns: 1fr;
            }

            .cover-card {
                min-height: 420px;
            }

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

        @media (max-width: 991px) {
            .brand-row {
                min-height: auto;
                padding: 14px 0;
                align-items: stretch;
                flex-wrap: wrap;
            }

            .brand-actions {
                width: 100%;
                flex: 0 0 100%;
                justify-content: space-between;
            }

            .search-wrap {
                width: 100%;
                flex: 1;
            }

            .hero {
                padding-top: 52px;
            }

            .section {
                padding: 68px 0;
            }

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

            .proof-grid,
            .footer-grid {
                grid-template-columns: 1fr;
            }

            .cta-panel {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 767px) {
            .site-container {
                width: min(100% - 28px, var(--container));
            }

            .brand-name {
                font-size: 15px;
                max-width: calc(100vw - 98px);
                overflow: hidden;
                text-overflow: ellipsis;
            }

            .brand-sub {
                display: none;
            }

            .logo-mark {
                width: 40px;
                height: 40px;
                flex-basis: 40px;
                border-radius: 14px;
            }

            .brand-actions .btn-ghost {
                padding-inline: 14px;
            }

            .brand-actions .btn-ghost span {
                display: none;
            }

            .channel-nav {
                min-height: 54px;
                padding-right: 12px;
            }

            .hero-cta .btn-glow,
            .hero-cta .btn-ghost,
            .cta-actions .btn-glow,
            .cta-actions .btn-ghost {
                width: 100%;
            }

            .cover-card {
                padding: 20px;
                border-radius: 26px;
                min-height: 380px;
            }

            .dir-mini-row {
                grid-template-columns: 38px 1fr;
            }

            .dir-mini-row .meta-pill {
                grid-column: 2;
                width: fit-content;
            }

            .info-strip {
                grid-template-columns: 1fr;
            }

            .stream-item {
                grid-template-columns: 1fr;
            }

            .thumb {
                aspect-ratio: 16 / 7;
            }

            .directory-card,
            .feature-card,
            .recommend-card,
            .proof-panel,
            .cta-panel {
                padding: 22px;
            }

            .footer-grid {
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            h1 {
                font-size: 34px;
            }

            .section {
                padding: 56px 0;
            }

            .search-input {
                height: 44px;
            }

            .btn-glow,
            .btn-ghost {
                min-height: 44px;
            }

            .cover-card {
                min-height: 340px;
            }

            .subtitle-frame {
                min-height: 170px;
                padding: 18px;
            }

            .proof-item,
            .small-rec {
                padding: 18px;
            }

            .copyright {
                display: block;
            }

            .copyright span {
                display: block;
                margin-top: 8px;
            }
        }

/* roulang page: category1 */
:root {
      --bg: #06111f;
      --bg-2: #081827;
      --bg-3: #0b1020;
      --panel: rgba(13, 30, 52, .68);
      --panel-strong: rgba(18, 43, 73, .82);
      --line: rgba(95, 181, 255, .22);
      --line-strong: rgba(53, 230, 210, .46);
      --text: #f4f8ff;
      --muted: #a9b8cf;
      --soft: rgba(217, 231, 255, .72);
      --primary: #2d7dff;
      --primary-2: #00a3ff;
      --cyan: #35e6d2;
      --purple: #7c5cff;
      --warm: #ffb86b;
      --radius-xl: 34px;
      --radius-lg: 26px;
      --radius-md: 18px;
      --radius-pill: 999px;
      --shadow: 0 26px 80px rgba(0, 0, 0, .38);
      --glow: 0 0 34px rgba(45, 125, 255, .28);
      --container: 1200px;
      --ease: 220ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Heiti SC", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 12% 5%, rgba(45, 125, 255, .22), transparent 30%),
        radial-gradient(circle at 82% 10%, rgba(124, 92, 255, .16), transparent 28%),
        radial-gradient(circle at 50% 80%, rgba(53, 230, 210, .08), transparent 38%),
        linear-gradient(180deg, var(--bg), var(--bg-3) 48%, #050b15);
      line-height: 1.75;
      min-height: 100vh;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .42;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size: 48px 48px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent 78%);
      z-index: -2;
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background:
        repeating-linear-gradient(
          to bottom,
          rgba(53, 230, 210, .025) 0,
          rgba(53, 230, 210, .025) 1px,
          transparent 1px,
          transparent 7px
        );
      opacity: .35;
      z-index: -1;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), border-color var(--ease), background var(--ease), transform var(--ease), box-shadow var(--ease);
    }

    a:hover {
      color: #ffffff;
    }

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

    button,
    input {
      font: inherit;
    }

    button:focus-visible,
    a:focus-visible,
    input:focus-visible {
      outline: 3px solid rgba(53, 230, 210, .65);
      outline-offset: 3px;
      border-radius: var(--radius-pill);
    }

    .site-container {
      width: min(calc(100% - 36px), var(--container));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(18px);
      background: rgba(5, 13, 25, .78);
      border-bottom: 1px solid rgba(95, 181, 255, .16);
      box-shadow: 0 18px 50px rgba(0, 0, 0, .24);
    }

    .brand-row {
      min-height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand-logo,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 14px;
      min-width: 0;
    }

    .logo-mark {
      width: 44px;
      height: 44px;
      flex: 0 0 auto;
      border-radius: 15px;
      position: relative;
      background:
        linear-gradient(135deg, rgba(45, 125, 255, .95), rgba(53, 230, 210, .82)),
        radial-gradient(circle at 70% 25%, rgba(255,255,255,.72), transparent 26%);
      box-shadow: 0 0 28px rgba(45, 125, 255, .48);
      overflow: hidden;
    }

    .logo-mark::before,
    .logo-mark::after {
      content: "";
      position: absolute;
      left: 9px;
      right: 9px;
      height: 3px;
      border-radius: 999px;
      background: rgba(255,255,255,.82);
    }

    .logo-mark::before {
      top: 15px;
      box-shadow: 0 8px 0 rgba(255,255,255,.5);
    }

    .logo-mark::after {
      bottom: 8px;
      width: 13px;
      right: auto;
      background: rgba(11, 16, 32, .72);
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.25;
      min-width: 0;
    }

    .brand-name {
      font-size: 19px;
      font-weight: 800;
      color: var(--text);
      letter-spacing: -.02em;
      white-space: nowrap;
    }

    .brand-sub {
      margin-top: 4px;
      font-size: 12px;
      color: var(--muted);
      white-space: nowrap;
    }

    .brand-actions {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 14px;
      flex: 1;
    }

    .search-wrap {
      width: min(360px, 44vw);
      position: relative;
    }

    .search-wrap::before {
      content: "⌕";
      position: absolute;
      left: 17px;
      top: 50%;
      transform: translateY(-52%);
      color: var(--cyan);
      font-size: 18px;
      pointer-events: none;
    }

    .search-input {
      width: 100%;
      height: 46px;
      color: var(--text);
      background: rgba(255, 255, 255, .055);
      border: 1px solid rgba(95, 181, 255, .22);
      border-radius: var(--radius-pill);
      padding: 0 18px 0 46px;
      box-shadow: inset 0 0 18px rgba(45, 125, 255, .05);
      transition: border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .search-input::placeholder {
      color: rgba(169, 184, 207, .82);
    }

    .search-input:focus {
      border-color: rgba(53, 230, 210, .65);
      background: rgba(255, 255, 255, .085);
      box-shadow: 0 0 0 4px rgba(53, 230, 210, .12), inset 0 0 18px rgba(45, 125, 255, .08);
      outline: none;
    }

    .btn-ghost,
    .btn-main,
    .btn-soft,
    .small-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      border-radius: var(--radius-pill);
      font-weight: 700;
      white-space: nowrap;
    }

    .btn-ghost {
      padding: 0 18px;
      color: var(--soft);
      background: rgba(255,255,255,.05);
      border: 1px solid rgba(95, 181, 255, .22);
    }

    .btn-ghost:hover {
      background: rgba(53, 230, 210, .10);
      border-color: rgba(53, 230, 210, .42);
      transform: translateY(-2px);
      box-shadow: var(--glow);
    }

    .btn-main {
      padding: 0 24px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-2) 48%, var(--cyan));
      border: 1px solid rgba(255,255,255,.22);
      box-shadow: 0 14px 34px rgba(45, 125, 255, .34), 0 0 22px rgba(53, 230, 210, .14);
    }

    .btn-main:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 44px rgba(45, 125, 255, .46), 0 0 34px rgba(53, 230, 210, .22);
    }

    .btn-soft {
      padding: 0 22px;
      color: var(--text);
      border: 1px solid rgba(95, 181, 255, .26);
      background: rgba(255,255,255,.06);
    }

    .btn-soft:hover {
      background: rgba(45, 125, 255, .13);
      border-color: rgba(45, 125, 255, .58);
      transform: translateY(-2px);
    }

    .channel-row {
      border-top: 1px solid rgba(95, 181, 255, .10);
      background: rgba(4, 10, 20, .42);
    }

    .channel-nav {
      min-height: 54px;
      display: flex;
      align-items: center;
      gap: 10px;
      overflow-x: auto;
      scrollbar-width: none;
      padding-block: 8px;
    }

    .channel-nav::-webkit-scrollbar {
      display: none;
    }

    .channel-link {
      display: inline-flex;
      align-items: center;
      min-height: 36px;
      padding: 0 16px;
      color: var(--muted);
      border: 1px solid rgba(95, 181, 255, .16);
      background: rgba(255,255,255,.035);
      border-radius: var(--radius-pill);
      font-size: 14px;
      white-space: nowrap;
    }

    .channel-link:hover {
      color: var(--text);
      border-color: rgba(53, 230, 210, .36);
      background: rgba(53, 230, 210, .08);
    }

    .channel-link.active {
      color: #fff;
      border-color: rgba(53, 230, 210, .48);
      background: linear-gradient(135deg, rgba(45, 125, 255, .52), rgba(53, 230, 210, .18));
      box-shadow: 0 0 24px rgba(45, 125, 255, .26);
    }

    .page-main {
      padding: 54px 0 0;
    }

    .section {
      padding: 78px 0;
      position: relative;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 28px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 30px;
      padding: 0 12px;
      border-radius: var(--radius-pill);
      color: #dffcff;
      background: rgba(53, 230, 210, .10);
      border: 1px solid rgba(53, 230, 210, .25);
      font-size: 13px;
      font-weight: 700;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 16px rgba(53, 230, 210, .9);
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      margin-bottom: 18px;
      font-size: clamp(34px, 5vw, 56px);
      line-height: 1.14;
      letter-spacing: -.045em;
      font-weight: 850;
    }

    h2 {
      margin-bottom: 12px;
      font-size: clamp(26px, 3.2vw, 38px);
      line-height: 1.22;
      letter-spacing: -.035em;
      font-weight: 800;
    }

    h3 {
      font-size: 21px;
      line-height: 1.35;
      font-weight: 800;
    }

    .lead {
      color: var(--soft);
      font-size: 17px;
      line-height: 1.9;
      max-width: 760px;
    }

    .muted {
      color: var(--muted);
    }

    .category-hero {
      position: relative;
      border-radius: var(--radius-xl);
      padding: 34px;
      background:
        linear-gradient(135deg, rgba(13, 30, 52, .88), rgba(11, 16, 32, .72)),
        radial-gradient(circle at 78% 20%, rgba(53, 230, 210, .16), transparent 26%);
      border: 1px solid rgba(95, 181, 255, .24);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .category-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, transparent 0, transparent 52%, rgba(53, 230, 210, .10) 52%, transparent 53%),
        repeating-linear-gradient(to bottom, transparent 0 18px, rgba(255,255,255,.05) 18px 19px);
      opacity: .34;
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 28px;
      align-items: stretch;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }

    .filter-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 26px;
    }

    .filter-chip,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 34px;
      padding: 0 13px;
      color: var(--soft);
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(95, 181, 255, .18);
      border-radius: var(--radius-pill);
      font-size: 13px;
      font-weight: 650;
    }

    .filter-chip.active {
      color: #fff;
      background: rgba(45, 125, 255, .26);
      border-color: rgba(53, 230, 210, .44);
      box-shadow: 0 0 18px rgba(45, 125, 255, .22);
    }

    .stats-card {
      position: relative;
      min-height: 100%;
      padding: 24px;
      border-radius: 28px;
      border: 1px solid rgba(53, 230, 210, .28);
      background: rgba(255,255,255,.06);
      backdrop-filter: blur(16px);
      overflow: hidden;
    }

    .stats-card::after {
      content: "";
      position: absolute;
      right: -48px;
      top: -48px;
      width: 150px;
      height: 150px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(53, 230, 210, .28), transparent 68%);
    }

    .stat-line {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: 18px;
      padding: 14px 0;
      border-bottom: 1px solid rgba(95, 181, 255, .14);
    }

    .stat-line:last-child {
      border-bottom: 0;
    }

    .stat-line strong {
      font-size: 26px;
      color: #fff;
      letter-spacing: -.03em;
    }

    .stat-line span {
      color: var(--muted);
      font-size: 13px;
    }

    .glass-card {
      position: relative;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(95, 181, 255, .20);
      background: var(--panel);
      backdrop-filter: blur(16px);
      box-shadow: 0 18px 60px rgba(0, 0, 0, .25);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease), background var(--ease);
      overflow: hidden;
    }

    .glass-card:hover {
      transform: translateY(-4px);
      border-color: rgba(53, 230, 210, .45);
      background: var(--panel-strong);
      box-shadow: 0 26px 80px rgba(0, 0, 0, .34), 0 0 34px rgba(45, 125, 255, .16);
    }

    .directory-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 22px;
    }

    .directory-card {
      padding: 24px;
      min-height: 250px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .directory-number {
      display: inline-flex;
      width: 48px;
      height: 48px;
      align-items: center;
      justify-content: center;
      border-radius: 17px;
      color: #fff;
      font-weight: 850;
      background: linear-gradient(135deg, rgba(45, 125, 255, .86), rgba(124, 92, 255, .70));
      box-shadow: 0 0 24px rgba(45, 125, 255, .28);
      margin-bottom: 18px;
    }

    .directory-card p {
      color: var(--muted);
      margin-bottom: 20px;
    }

    .small-link {
      align-self: flex-start;
      min-height: 38px;
      padding: 0 14px;
      color: #eaf7ff;
      border: 1px solid rgba(53, 230, 210, .28);
      background: rgba(53, 230, 210, .08);
      font-size: 13px;
    }

    .small-link:hover {
      border-color: rgba(53, 230, 210, .56);
      transform: translateX(3px);
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 26px;
      align-items: start;
    }

    .featured-stack {
      display: grid;
      gap: 18px;
    }

    .topic-card {
      display: grid;
      grid-template-columns: 180px minmax(0, 1fr);
      gap: 20px;
      padding: 18px;
      align-items: center;
    }

    .cover-block {
      aspect-ratio: 16 / 10;
      border-radius: 22px;
      border: 1px solid rgba(53, 230, 210, .25);
      background:
        radial-gradient(circle at 70% 25%, rgba(53, 230, 210, .30), transparent 30%),
        linear-gradient(135deg, rgba(45, 125, 255, .35), rgba(124, 92, 255, .18)),
        repeating-linear-gradient(to bottom, rgba(255,255,255,.13) 0 2px, transparent 2px 16px);
      position: relative;
      overflow: hidden;
    }

    .cover-block::after {
      content: "字幕专题";
      position: absolute;
      left: 14px;
      bottom: 12px;
      padding: 4px 10px;
      border-radius: 999px;
      color: #fff;
      font-size: 12px;
      background: rgba(0,0,0,.32);
      border: 1px solid rgba(255,255,255,.16);
    }

    .topic-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 12px 0 14px;
    }

    .entry-list {
      margin-top: 22px;
      display: grid;
      gap: 14px;
    }

    .entry-item {
      padding: 18px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
    }

    .entry-title-row {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      margin-bottom: 6px;
    }

    .status-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--warm);
      box-shadow: 0 0 14px rgba(255, 184, 107, .55);
      flex: 0 0 auto;
    }

    .entry-item p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .side-panel {
      position: sticky;
      top: 150px;
      padding: 22px;
    }

    .side-block + .side-block {
      margin-top: 22px;
      padding-top: 22px;
      border-top: 1px solid rgba(95, 181, 255, .16);
    }

    .side-links,
    .index-list {
      display: grid;
      gap: 10px;
      margin-top: 14px;
    }

    .side-links a,
    .index-list a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 13px;
      color: var(--soft);
      border-radius: 16px;
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(95, 181, 255, .14);
    }

    .side-links a:hover,
    .index-list a:hover {
      color: #fff;
      border-color: rgba(53, 230, 210, .36);
      background: rgba(53, 230, 210, .08);
      transform: translateX(2px);
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 14px;
    }

    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
    }

    .step-card {
      padding: 22px;
    }

    .step-card strong {
      display: inline-flex;
      width: 38px;
      height: 38px;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      background: rgba(45, 125, 255, .22);
      border: 1px solid rgba(53, 230, 210, .25);
      color: #fff;
      margin-bottom: 14px;
    }

    .step-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .related-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 18px;
    }

    .related-card {
      padding: 24px;
      min-height: 210px;
    }

    .related-card.large {
      background:
        radial-gradient(circle at 78% 12%, rgba(255,184,107,.16), transparent 28%),
        linear-gradient(135deg, rgba(13, 30, 52, .86), rgba(18, 43, 73, .62));
    }

    .related-card p {
      color: var(--muted);
      margin-bottom: 18px;
    }

    .accordion {
      --bs-accordion-bg: transparent;
      --bs-accordion-border-color: transparent;
      --bs-accordion-btn-focus-box-shadow: none;
      display: grid;
      gap: 14px;
    }

    .accordion-item {
      color: var(--text);
      background: rgba(13, 30, 52, .66);
      border: 1px solid rgba(95, 181, 255, .18);
      border-radius: 22px !important;
      overflow: hidden;
      backdrop-filter: blur(16px);
    }

    .accordion-button {
      color: var(--text);
      background: transparent;
      border: 0;
      box-shadow: none;
      padding: 19px 22px;
      font-weight: 800;
    }

    .accordion-button:not(.collapsed) {
      color: #fff;
      background: rgba(45, 125, 255, .12);
      box-shadow: inset 0 -1px 0 rgba(53, 230, 210, .18);
    }

    .accordion-button::after {
      filter: invert(1) brightness(1.8);
      opacity: .72;
    }

    .accordion-body {
      color: var(--muted);
      padding: 18px 22px 22px;
      line-height: 1.85;
    }

    .cta-panel {
      position: relative;
      border-radius: var(--radius-xl);
      padding: 34px;
      overflow: hidden;
      border: 1px solid rgba(53, 230, 210, .30);
      background:
        radial-gradient(circle at 18% 15%, rgba(45, 125, 255, .25), transparent 30%),
        radial-gradient(circle at 86% 30%, rgba(53, 230, 210, .16), transparent 26%),
        linear-gradient(135deg, rgba(13, 30, 52, .88), rgba(11, 16, 32, .74));
      box-shadow: var(--shadow);
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 4px;
      background: linear-gradient(90deg, transparent, rgba(53, 230, 210, .78), rgba(45, 125, 255, .72), transparent);
    }

    .cta-inner {
      position: relative;
      z-index: 1;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: flex-end;
    }

    .site-footer {
      margin-top: 84px;
      padding: 58px 0 30px;
      background: rgba(3, 8, 16, .86);
      border-top: 1px solid rgba(53, 230, 210, .20);
      box-shadow: inset 0 1px 0 rgba(45, 125, 255, .14);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.3fr) .7fr .7fr;
      gap: 36px;
    }

    .footer-title {
      font-size: 18px;
      font-weight: 850;
    }

    .footer-desc {
      max-width: 500px;
      margin: 18px 0 0;
      color: var(--muted);
    }

    .footer-col h3 {
      font-size: 16px;
      margin-bottom: 14px;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: var(--muted);
    }

    .footer-links a:hover {
      color: var(--cyan);
      transform: translateX(2px);
    }

    .copyright {
      margin-top: 34px;
      padding-top: 22px;
      border-top: 1px solid rgba(95, 181, 255, .14);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      color: rgba(169, 184, 207, .78);
      font-size: 13px;
      flex-wrap: wrap;
    }

    @media (max-width: 1199px) {
      .directory-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .steps-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .related-grid {
        grid-template-columns: 1fr 1fr;
      }

      .related-card.large {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 991px) {
      .brand-row {
        min-height: auto;
        padding: 14px 0;
        align-items: flex-start;
        flex-direction: column;
      }

      .brand-actions {
        width: 100%;
        justify-content: space-between;
      }

      .search-wrap {
        width: 100%;
        flex: 1;
      }

      .hero-content,
      .content-layout {
        grid-template-columns: 1fr;
      }

      .side-panel {
        position: relative;
        top: auto;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }

      .footer-grid > div:first-child {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 767px) {
      .site-container {
        width: min(calc(100% - 24px), var(--container));
      }

      .page-main {
        padding-top: 34px;
      }

      .section {
        padding: 56px 0;
      }

      .section-head {
        align-items: flex-start;
        flex-direction: column;
        gap: 14px;
      }

      .category-hero,
      .cta-panel {
        padding: 24px;
        border-radius: 26px;
      }

      .brand-name {
        font-size: 16px;
        max-width: calc(100vw - 92px);
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .brand-sub {
        font-size: 11px;
      }

      .btn-ghost span {
        display: none;
      }

      .directory-grid,
      .steps-grid,
      .related-grid {
        grid-template-columns: 1fr;
      }

      .topic-card {
        grid-template-columns: 1fr;
      }

      .entry-item {
        grid-template-columns: 1fr;
      }

      .cta-inner {
        align-items: stretch;
        flex-direction: column;
      }

      .cta-actions,
      .hero-actions {
        width: 100%;
      }

      .cta-actions a,
      .hero-actions a {
        flex: 1 1 160px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 520px) {
      .logo-mark {
        width: 40px;
        height: 40px;
        border-radius: 13px;
      }

      .brand-actions {
        gap: 10px;
      }

      .search-input {
        height: 44px;
      }

      h1 {
        font-size: 32px;
      }

      .filter-strip {
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
        padding-bottom: 4px;
      }

      .filter-strip::-webkit-scrollbar {
        display: none;
      }

      .filter-chip {
        white-space: nowrap;
      }

      .stat-line strong {
        font-size: 22px;
      }

      .directory-card,
      .related-card,
      .step-card {
        padding: 20px;
      }
    }

/* roulang page: category2 */
:root {
      --bg: #06111f;
      --bg-2: #081827;
      --bg-3: #0b1020;
      --panel: rgba(14, 31, 53, .72);
      --panel-strong: rgba(18, 42, 72, .86);
      --panel-soft: rgba(255, 255, 255, .055);
      --line: rgba(91, 180, 255, .22);
      --line-strong: rgba(53, 230, 210, .42);
      --text: #eef7ff;
      --muted: #a8bad2;
      --muted-2: #7890ad;
      --primary: #2d7dff;
      --primary-2: #00a3ff;
      --cyan: #35e6d2;
      --purple: #7c5cff;
      --warm: #ffb86b;
      --dangerless: #ffda95;
      --radius-lg: 34px;
      --radius-md: 24px;
      --radius-sm: 16px;
      --radius-pill: 999px;
      --shadow: 0 24px 70px rgba(0, 0, 0, .36);
      --glow: 0 0 34px rgba(45, 125, 255, .24);
      --glow-cyan: 0 0 30px rgba(53, 230, 210, .18);
      --container: 1200px;
      --transition: 220ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Heiti SC", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 15% 6%, rgba(45, 125, 255, .18), transparent 34%),
        radial-gradient(circle at 88% 12%, rgba(124, 92, 255, .16), transparent 32%),
        radial-gradient(circle at 52% 60%, rgba(53, 230, 210, .08), transparent 30%),
        linear-gradient(180deg, var(--bg-3), var(--bg) 38%, #050b16 100%);
      line-height: 1.75;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -1;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.7), transparent 82%);
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -1;
      opacity: .18;
      background:
        repeating-linear-gradient(0deg, rgba(255,255,255,.04) 0 1px, transparent 1px 6px);
      mix-blend-mode: screen;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition), border-color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
    }

    a:hover {
      color: #ffffff;
    }

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

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    :focus-visible {
      outline: 3px solid rgba(53, 230, 210, .74);
      outline-offset: 3px;
      border-radius: 12px;
    }

    .site-container {
      width: min(var(--container), calc(100% - 40px));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(5, 13, 25, .78);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(91, 180, 255, .16);
      box-shadow: 0 18px 55px rgba(0, 0, 0, .24);
    }

    .brand-row {
      min-height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      padding: 12px 0;
    }

    .brand-logo,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 13px;
      min-width: 0;
    }

    .logo-mark {
      width: 46px;
      height: 46px;
      flex: 0 0 auto;
      border-radius: 16px;
      position: relative;
      background:
        linear-gradient(135deg, rgba(45, 125, 255, .95), rgba(53, 230, 210, .75)),
        radial-gradient(circle at 70% 20%, #fff, transparent 28%);
      box-shadow: 0 0 24px rgba(45, 125, 255, .45), inset 0 0 0 1px rgba(255,255,255,.22);
      overflow: hidden;
    }

    .logo-mark::before,
    .logo-mark::after {
      content: "";
      position: absolute;
      left: 9px;
      right: 9px;
      height: 3px;
      border-radius: 99px;
      background: rgba(255,255,255,.86);
      box-shadow: 0 9px 0 rgba(255,255,255,.56), 0 18px 0 rgba(255,255,255,.38);
    }

    .logo-mark::before {
      top: 12px;
    }

    .logo-mark::after {
      bottom: 9px;
      width: 14px;
      left: 16px;
      right: auto;
      height: 5px;
      background: rgba(6, 17, 31, .72);
      box-shadow: none;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      min-width: 0;
    }

    .brand-name {
      font-size: 20px;
      font-weight: 800;
      line-height: 1.18;
      letter-spacing: -.02em;
      color: var(--text);
      white-space: nowrap;
    }

    .brand-sub {
      margin-top: 4px;
      color: var(--muted-2);
      font-size: 12px;
      white-space: nowrap;
    }

    .brand-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
    }

    .search-wrap {
      position: relative;
      width: clamp(220px, 28vw, 360px);
    }

    .search-wrap::before {
      content: "⌕";
      position: absolute;
      left: 18px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--cyan);
      font-size: 18px;
      z-index: 1;
    }

    .search-input {
      width: 100%;
      height: 46px;
      border-radius: var(--radius-pill);
      border: 1px solid rgba(91, 180, 255, .24);
      background: rgba(255, 255, 255, .06);
      color: var(--text);
      padding: 0 18px 0 44px;
      outline: none;
      transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
    }

    .search-input::placeholder {
      color: rgba(168, 186, 210, .72);
    }

    .search-input:focus {
      border-color: rgba(53, 230, 210, .66);
      background: rgba(255, 255, 255, .09);
      box-shadow: var(--glow-cyan);
    }

    .btn-ghost,
    .btn-primary-glow,
    .btn-soft,
    .mini-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: var(--radius-pill);
      min-height: 44px;
      padding: 12px 18px;
      font-weight: 700;
      border: 1px solid rgba(91, 180, 255, .24);
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
      white-space: nowrap;
    }

    .btn-ghost,
    .btn-soft {
      color: var(--text);
      background: rgba(255, 255, 255, .065);
    }

    .btn-ghost:hover,
    .btn-soft:hover {
      transform: translateY(-2px);
      border-color: rgba(53, 230, 210, .55);
      background: rgba(53, 230, 210, .1);
      box-shadow: var(--glow-cyan);
    }

    .btn-primary-glow {
      color: #fff;
      border: 0;
      background: linear-gradient(135deg, var(--primary), var(--primary-2) 52%, var(--cyan));
      box-shadow: 0 16px 36px rgba(45, 125, 255, .32), inset 0 1px 0 rgba(255,255,255,.24);
    }

    .btn-primary-glow:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 20px 48px rgba(45, 125, 255, .42), 0 0 28px rgba(53,230,210,.22);
    }

    .mini-btn {
      min-height: 38px;
      padding: 9px 13px;
      font-size: 13px;
      color: var(--text);
      background: rgba(45, 125, 255, .12);
    }

    .mini-btn:hover {
      border-color: rgba(53, 230, 210, .55);
      background: rgba(53, 230, 210, .12);
      transform: translateX(2px);
    }

    .channel-row {
      border-top: 1px solid rgba(91, 180, 255, .11);
      background: rgba(4, 10, 20, .36);
    }

    .channel-nav {
      min-height: 54px;
      display: flex;
      align-items: center;
      gap: 10px;
      overflow-x: auto;
      scrollbar-width: none;
      padding-block: 9px;
    }

    .channel-nav::-webkit-scrollbar {
      display: none;
    }

    .channel-link {
      display: inline-flex;
      align-items: center;
      flex: 0 0 auto;
      min-height: 36px;
      padding: 8px 16px;
      border-radius: var(--radius-pill);
      color: var(--muted);
      border: 1px solid transparent;
      background: transparent;
      font-weight: 700;
      font-size: 14px;
    }

    .channel-link:hover {
      color: var(--text);
      background: rgba(255,255,255,.07);
      border-color: rgba(91, 180, 255, .22);
    }

    .channel-link.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(45,125,255,.78), rgba(53,230,210,.22));
      border-color: rgba(53, 230, 210, .48);
      box-shadow: 0 0 26px rgba(45, 125, 255, .22);
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 88px 0;
      position: relative;
    }

    .section-tight {
      padding: 64px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border: 1px solid rgba(53, 230, 210, .34);
      border-radius: var(--radius-pill);
      background: rgba(53, 230, 210, .08);
      color: #b9fff6;
      font-size: 13px;
      font-weight: 700;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 14px var(--cyan);
    }

    .hero {
      padding: 76px 0 48px;
    }

    .hero-banner {
      position: relative;
      border-radius: 38px;
      border: 1px solid rgba(91, 180, 255, .24);
      background:
        linear-gradient(135deg, rgba(15, 38, 70, .86), rgba(7, 14, 29, .78)),
        radial-gradient(circle at 82% 24%, rgba(45,125,255,.2), transparent 28%);
      box-shadow: var(--shadow), var(--glow);
      overflow: hidden;
      padding: clamp(28px, 5vw, 58px);
    }

    .hero-banner::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, transparent 0 14%, rgba(53,230,210,.1) 14% 14.4%, transparent 14.4% 36%, rgba(45,125,255,.12) 36% 36.4%, transparent 36.4%),
        repeating-linear-gradient(180deg, transparent 0 34px, rgba(255,255,255,.045) 34px 35px);
      opacity: .62;
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(320px, .75fr);
      gap: 34px;
      align-items: center;
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      margin: 18px 0 18px;
      font-size: clamp(34px, 5vw, 56px);
      line-height: 1.16;
      font-weight: 850;
      letter-spacing: -.035em;
    }

    .hero-lead {
      color: var(--muted);
      font-size: 17px;
      max-width: 720px;
      margin-bottom: 26px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 28px;
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      max-width: 720px;
    }

    .metric-card {
      padding: 15px;
      border-radius: 18px;
      border: 1px solid rgba(91, 180, 255, .18);
      background: rgba(255,255,255,.052);
    }

    .metric-card strong {
      display: block;
      color: #fff;
      font-size: 20px;
      line-height: 1.2;
    }

    .metric-card span {
      display: block;
      color: var(--muted-2);
      font-size: 12px;
      margin-top: 4px;
    }

    .update-visual {
      min-height: 330px;
      border-radius: 30px;
      border: 1px solid rgba(53, 230, 210, .24);
      background:
        radial-gradient(circle at 28% 20%, rgba(53,230,210,.2), transparent 28%),
        linear-gradient(160deg, rgba(255,255,255,.1), rgba(255,255,255,.035));
      position: relative;
      overflow: hidden;
      padding: 22px;
    }

    .update-visual::before {
      content: "";
      position: absolute;
      inset: 18px;
      border-radius: 24px;
      border: 1px dashed rgba(168,186,210,.22);
      opacity: .8;
    }

    .visual-line {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 14px;
      margin-top: 10px;
    }

    .visual-item {
      display: grid;
      grid-template-columns: 50px 1fr;
      gap: 12px;
      align-items: center;
      padding: 13px;
      border-radius: 18px;
      background: rgba(4, 12, 24, .58);
      border: 1px solid rgba(91,180,255,.18);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
    }

    .visual-dot {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      background: linear-gradient(135deg, var(--primary), var(--purple));
      box-shadow: 0 0 22px rgba(45,125,255,.28);
    }

    .visual-item:nth-child(2) .visual-dot {
      background: linear-gradient(135deg, var(--cyan), var(--primary));
    }

    .visual-item:nth-child(3) .visual-dot {
      background: linear-gradient(135deg, var(--warm), var(--purple));
    }

    .visual-text b,
    .visual-text span {
      display: block;
    }

    .visual-text b {
      color: #fff;
      font-size: 15px;
    }

    .visual-text span {
      color: var(--muted-2);
      font-size: 12px;
      margin-top: 2px;
    }

    .floating-chip {
      position: absolute;
      right: 22px;
      bottom: 22px;
      z-index: 2;
      border-radius: var(--radius-pill);
      background: rgba(53,230,210,.12);
      border: 1px solid rgba(53,230,210,.38);
      color: #d7fffb;
      padding: 9px 14px;
      font-size: 13px;
      font-weight: 700;
      box-shadow: var(--glow-cyan);
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 30px;
    }

    .section-title {
      max-width: 720px;
    }

    .section-title h2 {
      font-size: clamp(26px, 3.6vw, 38px);
      line-height: 1.2;
      font-weight: 820;
      margin: 12px 0 12px;
      letter-spacing: -.02em;
    }

    .section-title p {
      margin-bottom: 0;
      color: var(--muted);
      font-size: 16px;
    }

    .tag-strip {
      display: flex;
      gap: 10px;
      overflow-x: auto;
      scrollbar-width: none;
      padding: 2px 0 8px;
    }

    .tag-strip::-webkit-scrollbar {
      display: none;
    }

    .pill-tag {
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 7px 13px;
      border-radius: var(--radius-pill);
      color: var(--muted);
      border: 1px solid rgba(91, 180, 255, .2);
      background: rgba(255,255,255,.052);
      font-size: 13px;
      font-weight: 700;
    }

    .pill-tag.active,
    .pill-tag:hover {
      color: #fff;
      border-color: rgba(53, 230, 210, .48);
      background: rgba(53, 230, 210, .1);
      box-shadow: 0 0 18px rgba(53,230,210,.12);
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 320px;
      gap: 28px;
      align-items: start;
    }

    .glass-card {
      border-radius: var(--radius-md);
      border: 1px solid rgba(91, 180, 255, .2);
      background: var(--panel);
      box-shadow: 0 18px 55px rgba(0,0,0,.22);
      backdrop-filter: blur(16px);
      transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }

    .glass-card:hover {
      transform: translateY(-4px);
      border-color: rgba(53, 230, 210, .42);
      box-shadow: var(--shadow), var(--glow-cyan);
      background: rgba(17, 42, 72, .82);
    }

    .timeline {
      position: relative;
      display: grid;
      gap: 22px;
    }

    .timeline::before {
      content: "";
      position: absolute;
      left: 18px;
      top: 16px;
      bottom: 16px;
      width: 2px;
      background: linear-gradient(180deg, rgba(53,230,210,.62), rgba(45,125,255,.16));
      border-radius: 20px;
    }

    .timeline-group {
      position: relative;
      padding-left: 50px;
    }

    .timeline-date {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 36px;
      padding: 8px 14px;
      border-radius: var(--radius-pill);
      background: rgba(45, 125, 255, .16);
      border: 1px solid rgba(91,180,255,.28);
      color: #d9edff;
      font-weight: 800;
      margin-bottom: 14px;
      position: relative;
    }

    .timeline-date::before {
      content: "";
      position: absolute;
      left: -41px;
      top: 50%;
      width: 14px;
      height: 14px;
      transform: translateY(-50%);
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 18px rgba(53,230,210,.78);
    }

    .update-list {
      display: grid;
      gap: 14px;
    }

    .update-card {
      padding: 20px;
      border-radius: 22px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
    }

    .update-card.featured {
      border-color: rgba(53,230,210,.44);
      background:
        linear-gradient(90deg, rgba(53,230,210,.08), transparent 44%),
        var(--panel-strong);
      position: relative;
    }

    .update-card.featured::before {
      content: "精选";
      position: absolute;
      top: 14px;
      right: 16px;
      font-size: 12px;
      color: #06111f;
      font-weight: 900;
      padding: 3px 9px;
      border-radius: var(--radius-pill);
      background: var(--warm);
    }

    .update-card h3 {
      font-size: 19px;
      line-height: 1.35;
      font-weight: 800;
      margin-bottom: 8px;
      padding-right: 48px;
    }

    .update-card p {
      margin: 0 0 12px;
      color: var(--muted);
      font-size: 15px;
    }

    .meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      color: var(--muted-2);
      font-size: 13px;
    }

    .meta-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: var(--radius-pill);
      padding: 4px 9px;
      color: #cfe6ff;
      background: rgba(255,255,255,.065);
      border: 1px solid rgba(91,180,255,.16);
    }

    .promo-banner {
      padding: clamp(22px, 4vw, 34px);
      border-radius: 30px;
      background:
        radial-gradient(circle at 15% 20%, rgba(53,230,210,.22), transparent 28%),
        linear-gradient(135deg, rgba(45,125,255,.28), rgba(124,92,255,.16)),
        rgba(255,255,255,.055);
      border: 1px solid rgba(53,230,210,.36);
      overflow: hidden;
      position: relative;
    }

    .promo-banner::after {
      content: "";
      position: absolute;
      inset: auto -20% -50% 32%;
      height: 120px;
      background: rgba(53,230,210,.12);
      filter: blur(28px);
      transform: rotate(-8deg);
    }

    .promo-banner h3 {
      font-size: clamp(22px, 3vw, 30px);
      font-weight: 820;
      margin-bottom: 10px;
      position: relative;
      z-index: 1;
    }

    .promo-banner p,
    .promo-banner .hero-actions {
      position: relative;
      z-index: 1;
    }

    .promo-banner p {
      color: var(--muted);
      max-width: 760px;
      margin-bottom: 18px;
    }

    .quick-panel {
      position: sticky;
      top: 150px;
      padding: 20px;
      border-radius: 26px;
    }

    .quick-panel h2 {
      font-size: 20px;
      font-weight: 820;
      margin-bottom: 14px;
    }

    .index-list {
      display: grid;
      gap: 10px;
      counter-reset: quick;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .index-list li {
      counter-increment: quick;
    }

    .index-list a {
      display: grid;
      grid-template-columns: 34px 1fr;
      gap: 10px;
      align-items: center;
      padding: 10px;
      border-radius: 16px;
      border: 1px solid rgba(91,180,255,.14);
      background: rgba(255,255,255,.045);
      color: var(--muted);
      font-weight: 700;
    }

    .index-list a::before {
      content: counter(quick, decimal-leading-zero);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      border-radius: 12px;
      color: #fff;
      background: rgba(45,125,255,.22);
      border: 1px solid rgba(91,180,255,.2);
      font-size: 12px;
    }

    .index-list a:hover {
      color: #fff;
      border-color: rgba(53,230,210,.38);
      background: rgba(53,230,210,.09);
      transform: translateX(3px);
    }

    .side-note {
      margin-top: 14px;
      padding: 16px;
      border-radius: 20px;
      background: rgba(255,184,107,.08);
      border: 1px solid rgba(255,184,107,.22);
      color: #ffe1b8;
      font-size: 14px;
    }

    .cover-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .cover-card {
      min-height: 210px;
      padding: 18px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      overflow: hidden;
      position: relative;
    }

    .cover-card::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 22% 20%, rgba(53,230,210,.2), transparent 28%),
        linear-gradient(145deg, rgba(45,125,255,.24), transparent 55%);
      opacity: .86;
      pointer-events: none;
    }

    .cover-card::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      top: 78px;
      height: 1px;
      background: rgba(255,255,255,.16);
      box-shadow: 0 22px 0 rgba(255,255,255,.1), 0 44px 0 rgba(255,255,255,.07);
    }

    .cover-card > * {
      position: relative;
      z-index: 1;
    }

    .cover-tag {
      align-self: flex-start;
      border-radius: var(--radius-pill);
      padding: 5px 10px;
      background: rgba(6,17,31,.58);
      border: 1px solid rgba(53,230,210,.28);
      color: #cffff8;
      font-size: 12px;
      font-weight: 800;
    }

    .cover-card h3 {
      font-size: 20px;
      line-height: 1.35;
      font-weight: 820;
      margin: 44px 0 8px;
    }

    .cover-card p {
      margin-bottom: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .related-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .related-card {
      padding: 20px;
      min-height: 190px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .related-card h3 {
      font-size: 20px;
      font-weight: 820;
      margin-bottom: 10px;
    }

    .related-card p {
      color: var(--muted);
      font-size: 15px;
      margin-bottom: 18px;
    }

    .accordion.custom-faq {
      display: grid;
      gap: 12px;
    }

    .custom-faq .accordion-item {
      border: 1px solid rgba(91,180,255,.2);
      border-radius: 20px;
      overflow: hidden;
      background: rgba(14, 31, 53, .72);
      color: var(--text);
      box-shadow: none;
    }

    .custom-faq .accordion-button {
      min-height: 62px;
      padding: 18px 20px;
      background: rgba(255,255,255,.035);
      color: var(--text);
      font-weight: 800;
      box-shadow: none;
    }

    .custom-faq .accordion-button::after {
      filter: invert(1) grayscale(1);
      opacity: .8;
    }

    .custom-faq .accordion-button:not(.collapsed) {
      background: rgba(53,230,210,.08);
      color: #fff;
      border-bottom: 1px solid rgba(53,230,210,.22);
    }

    .custom-faq .accordion-body {
      padding: 18px 20px 22px;
      color: var(--muted);
      background: rgba(255,255,255,.025);
    }

    .cta-panel {
      border-radius: 34px;
      padding: clamp(26px, 5vw, 46px);
      border: 1px solid rgba(53,230,210,.34);
      background:
        radial-gradient(circle at 80% 20%, rgba(53,230,210,.16), transparent 28%),
        radial-gradient(circle at 18% 80%, rgba(45,125,255,.2), transparent 32%),
        rgba(14, 31, 53, .76);
      box-shadow: var(--shadow);
      overflow: hidden;
      position: relative;
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      inset: 18px;
      border-radius: 26px;
      border: 1px solid rgba(255,255,255,.07);
      pointer-events: none;
    }

    .cta-inner {
      position: relative;
      z-index: 1;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .cta-panel h2 {
      font-size: clamp(25px, 3.2vw, 36px);
      line-height: 1.2;
      font-weight: 840;
      margin-bottom: 10px;
    }

    .cta-panel p {
      margin-bottom: 0;
      color: var(--muted);
      max-width: 650px;
    }

    .site-footer {
      background: #040912;
      border-top: 1px solid rgba(53,230,210,.2);
      padding: 58px 0 30px;
      position: relative;
    }

    .site-footer::before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      top: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(53,230,210,.72), transparent);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) .8fr .8fr;
      gap: 34px;
      margin-bottom: 34px;
    }

    .footer-title {
      font-size: 19px;
      font-weight: 850;
      color: #fff;
    }

    .footer-desc {
      margin: 16px 0 0;
      color: var(--muted);
      max-width: 520px;
      font-size: 15px;
    }

    .footer-col h3 {
      color: #fff;
      font-size: 16px;
      font-weight: 820;
      margin-bottom: 14px;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--cyan);
      transform: translateX(3px);
    }

    .copyright {
      padding-top: 22px;
      border-top: 1px solid rgba(91,180,255,.13);
      display: flex;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
      color: var(--muted-2);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .hero-content,
      .content-layout {
        grid-template-columns: 1fr;
      }

      .quick-panel {
        position: static;
      }

      .index-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .cover-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .related-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .section {
        padding: 72px 0;
      }
    }

    @media (max-width: 768px) {
      .site-container {
        width: min(100% - 28px, var(--container));
      }

      .brand-row {
        min-height: 68px;
        gap: 14px;
      }

      .brand-sub {
        display: none;
      }

      .brand-name {
        font-size: 16px;
        max-width: 48vw;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .logo-mark {
        width: 40px;
        height: 40px;
        border-radius: 14px;
      }

      .brand-actions {
        gap: 8px;
      }

      .search-wrap {
        width: 44px;
      }

      .search-input {
        width: 44px;
        padding-left: 42px;
        color: transparent;
      }

      .search-input:focus {
        width: min(62vw, 280px);
        color: var(--text);
        position: absolute;
        right: 0;
        top: -23px;
        z-index: 3;
      }

      .btn-ghost span {
        display: none;
      }

      .hero {
        padding: 46px 0 36px;
      }

      .hero-banner {
        border-radius: 28px;
        padding: 24px;
      }

      .hero-metrics {
        grid-template-columns: 1fr;
      }

      .update-visual {
        min-height: 280px;
      }

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

      .update-card {
        grid-template-columns: 1fr;
      }

      .update-card h3 {
        padding-right: 42px;
      }

      .timeline::before {
        left: 12px;
      }

      .timeline-group {
        padding-left: 36px;
      }

      .timeline-date::before {
        left: -31px;
      }

      .related-grid,
      .index-list {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 520px) {
      .channel-link {
        padding: 8px 13px;
      }

      .hero-actions,
      .cta-inner .hero-actions {
        width: 100%;
      }

      .btn-primary-glow,
      .btn-soft {
        width: 100%;
      }

      .cover-grid {
        grid-template-columns: 1fr;
      }

      .update-card,
      .related-card,
      .quick-panel {
        border-radius: 20px;
      }

      .section {
        padding: 58px 0;
      }

      .section-tight {
        padding: 48px 0;
      }

      .copyright {
        flex-direction: column;
      }
    }