/* roulang page: index */
:root {
            --primary: #7c3aed;
            --primary-dark: #5b21b6;
            --accent: #f43f5e;
            --gold: #f59e0b;
            --ink: #13111c;
            --muted: #6f6b7c;
            --surface: #ffffff;
            --surface-soft: #f8f7fc;
            --border: #e9e5f0;
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 30px;
            --shadow-soft: 0 20px 60px rgba(44, 31, 78, 0.10);
            --shadow-card: 0 12px 34px rgba(32, 24, 54, 0.08);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            color: var(--ink);
            background:
                radial-gradient(circle at 8% 8%, rgba(139, 92, 246, 0.08), transparent 30%),
                radial-gradient(circle at 92% 18%, rgba(244, 63, 94, 0.06), transparent 24%),
                #fbfaff;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }

        body.menu-open {
            overflow: hidden;
        }

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

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

        button,
        input {
            font: inherit;
        }

        button,
        a,
        input {
            -webkit-tap-highlight-color: transparent;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(124, 58, 237, 0.28);
            outline-offset: 3px;
        }

        ::selection {
            color: #fff;
            background: var(--primary);
        }

        .site-container {
            width: min(1180px, calc(100% - 40px));
            margin-inline: auto;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.92);
            border-bottom: 1px solid rgba(233, 229, 240, 0.9);
            box-shadow: 0 8px 30px rgba(36, 25, 63, 0.05);
            backdrop-filter: blur(18px);
        }

        .nav-shell {
            min-height: 76px;
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            flex-shrink: 0;
            gap: 12px;
            max-width: 300px;
            font-weight: 900;
            letter-spacing: -0.04em;
        }

        .brand-mark {
            position: relative;
            width: 42px;
            height: 42px;
            flex: 0 0 42px;
            display: grid;
            place-items: center;
            overflow: hidden;
            color: #fff;
            border-radius: 14px;
            background: linear-gradient(145deg, #8b5cf6, #5b21b6);
            box-shadow: 0 10px 26px rgba(109, 40, 217, 0.28);
        }

        .brand-mark::after {
            content: "";
            position: absolute;
            width: 18px;
            height: 18px;
            right: -4px;
            bottom: -4px;
            border-radius: 50%;
            background: #fb7185;
            opacity: 0.9;
        }

        .brand-mark svg {
            position: relative;
            z-index: 1;
        }

        .brand-text {
            overflow: hidden;
            color: #211a31;
            font-size: 19px;
            white-space: nowrap;
            text-overflow: ellipsis;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            position: relative;
            padding: 11px 16px;
            color: #6f6b7c;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 700;
            transition: color .25s ease, background .25s ease, transform .25s ease;
        }

        .nav-link:hover {
            color: var(--primary);
            background: #f5f3ff;
        }

        .nav-link.active {
            color: var(--primary);
            background: #ede9fe;
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            right: 16px;
            bottom: 6px;
            left: 16px;
            height: 2px;
            border-radius: 99px;
            background: var(--primary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }

        .nav-search {
            width: 238px;
            height: 44px;
            display: flex;
            align-items: center;
            gap: 9px;
            padding: 0 15px;
            color: #90899e;
            border: 1px solid var(--border);
            border-radius: 999px;
            background: #f8f7fb;
            transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
        }

        .nav-search:focus-within {
            border-color: #a78bfa;
            background: #fff;
            box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.10);
        }

        .nav-search input {
            width: 100%;
            min-width: 0;
            color: var(--ink);
            border: 0;
            outline: 0;
            background: transparent;
            font-size: 14px;
        }

        .nav-search input::placeholder {
            color: #9b95a7;
        }

        .primary-button,
        .secondary-button,
        .ghost-button {
            min-height: 46px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            padding: 0 20px;
            border: 1px solid transparent;
            border-radius: 14px;
            cursor: pointer;
            font-weight: 800;
            transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
        }

        .primary-button {
            color: #fff;
            background: linear-gradient(135deg, #8b5cf6, #6d28d9);
            box-shadow: 0 12px 24px rgba(109, 40, 217, 0.23);
        }

        .primary-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 30px rgba(109, 40, 217, 0.3);
        }

        .primary-button:active,
        .secondary-button:active,
        .ghost-button:active {
            transform: translateY(0) scale(0.98);
        }

        .secondary-button {
            color: #3a3150;
            border-color: #ded9e8;
            background: rgba(255, 255, 255, 0.88);
            box-shadow: 0 8px 24px rgba(42, 31, 70, 0.06);
        }

        .secondary-button:hover {
            color: var(--primary);
            border-color: #c4b5fd;
            background: #fff;
            transform: translateY(-2px);
        }

        .ghost-button {
            min-height: 42px;
            padding-inline: 16px;
            color: var(--primary);
            border-color: #ddd6fe;
            background: #f5f3ff;
        }

        .ghost-button:hover {
            color: #fff;
            border-color: var(--primary);
            background: var(--primary);
        }

        .menu-button {
            width: 44px;
            height: 44px;
            display: none;
            place-items: center;
            color: #3d3450;
            border: 1px solid var(--border);
            border-radius: 13px;
            background: #fff;
            cursor: pointer;
        }

        .mobile-panel {
            display: none;
            padding: 0 0 18px;
        }

        .mobile-panel.open {
            display: block;
        }

        .mobile-panel-inner {
            display: grid;
            gap: 12px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        .mobile-panel .nav-link,
        .mobile-panel .primary-button {
            width: 100%;
        }

        .hero {
            position: relative;
            overflow: hidden;
            padding: 72px 0 58px;
        }

        .hero::before {
            content: "";
            position: absolute;
            width: 520px;
            height: 520px;
            top: -220px;
            right: -140px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.20), rgba(139, 92, 246, 0));
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.02fr) minmax(430px, .98fr);
            align-items: center;
            gap: 58px;
        }

        .eyebrow {
            width: fit-content;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 13px;
            color: #6d28d9;
            border: 1px solid #ddd6fe;
            border-radius: 999px;
            background: rgba(245, 243, 255, 0.88);
            font-size: 13px;
            font-weight: 800;
            letter-spacing: .04em;
        }

        .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #f43f5e;
            box-shadow: 0 0 0 6px rgba(244, 63, 94, 0.12);
        }

        .hero-title {
            max-width: 760px;
            margin: 24px 0 20px;
            color: #17121f;
            font-size: clamp(42px, 5.7vw, 76px);
            line-height: 1.08;
            letter-spacing: -0.055em;
            font-weight: 950;
        }

        .hero-title .gradient-text {
            display: block;
            color: transparent;
            background: linear-gradient(105deg, #7c3aed 5%, #a855f7 52%, #f43f5e 100%);
            background-clip: text;
            -webkit-background-clip: text;
        }

        .hero-copy {
            max-width: 650px;
            margin: 0;
            color: #696373;
            font-size: 18px;
            line-height: 1.85;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 13px;
            margin-top: 30px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 9px;
            margin-top: 30px;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 12px;
            color: #5f586b;
            border: 1px solid #e8e3ef;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.78);
            font-size: 13px;
            font-weight: 700;
        }

        .tag-chip::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #8b5cf6;
        }

        .hero-visual {
            position: relative;
            min-height: 535px;
        }

        .hero-poster {
            position: absolute;
            overflow: hidden;
            border: 5px solid rgba(255, 255, 255, 0.88);
            border-radius: 28px;
            background: #211a31;
            box-shadow: var(--shadow-soft);
            transition: transform .35s ease;
        }

        .hero-poster:hover {
            transform: translateY(-8px) rotate(0deg);
        }

        .hero-poster img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-poster::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(16, 10, 27, .78), transparent 58%);
        }

        .hero-poster-main {
            width: 64%;
            height: 440px;
            right: 5%;
            top: 18px;
            transform: rotate(3deg);
        }

        .hero-poster-side {
            width: 43%;
            height: 330px;
            left: 2%;
            bottom: 8px;
            transform: rotate(-5deg);
        }

        .poster-caption {
            position: absolute;
            z-index: 2;
            right: 18px;
            bottom: 18px;
            left: 18px;
            color: #fff;
        }

        .poster-caption strong {
            display: block;
            font-size: 20px;
        }

        .poster-caption span {
            color: rgba(255, 255, 255, .75);
            font-size: 13px;
        }

        .hud-card {
            position: absolute;
            z-index: 8;
            min-width: 190px;
            padding: 16px;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 18px;
            background: rgba(25, 18, 39, 0.90);
            box-shadow: 0 18px 40px rgba(24, 15, 42, .25);
            backdrop-filter: blur(14px);
        }

        .hud-card-top {
            top: 15px;
            left: 0;
        }

        .hud-card-bottom {
            right: 0;
            bottom: 0;
        }

        .hud-label {
            color: #bdb4cb;
            font-size: 12px;
        }

        .hud-value {
            display: flex;
            align-items: baseline;
            gap: 7px;
            margin-top: 5px;
            font-size: 24px;
            font-weight: 900;
        }

        .hud-value small {
            color: #a78bfa;
            font-size: 12px;
        }

        .signal-bars {
            display: flex;
            align-items: end;
            gap: 5px;
            height: 27px;
            margin-top: 10px;
        }

        .signal-bars span {
            width: 8px;
            border-radius: 6px;
            background: linear-gradient(to top, #7c3aed, #fb7185);
        }

        .signal-bars span:nth-child(1) { height: 28%; }
        .signal-bars span:nth-child(2) { height: 48%; }
        .signal-bars span:nth-child(3) { height: 70%; }
        .signal-bars span:nth-child(4) { height: 94%; }
        .signal-bars span:nth-child(5) { height: 75%; }

        .quick-search-wrap {
            position: relative;
            z-index: 10;
            margin-top: -10px;
        }

        .quick-search {
            display: grid;
            grid-template-columns: auto 1fr auto;
            align-items: center;
            gap: 14px;
            padding: 14px 14px 14px 22px;
            border: 1px solid rgba(221, 214, 254, .9);
            border-radius: 22px;
            background: rgba(255, 255, 255, .94);
            box-shadow: var(--shadow-soft);
            backdrop-filter: blur(16px);
        }

        .quick-search-icon {
            color: var(--primary);
        }

        .quick-search input {
            width: 100%;
            color: var(--ink);
            border: 0;
            outline: 0;
            background: transparent;
            font-size: 16px;
        }

        .quick-search input::placeholder {
            color: #9a94a5;
        }

        .section {
            padding: 92px 0;
        }

        .section-soft {
            border-top: 1px solid rgba(233, 229, 240, .75);
            border-bottom: 1px solid rgba(233, 229, 240, .75);
            background: rgba(248, 247, 252, .78);
        }

        .section-dark {
            position: relative;
            overflow: hidden;
            color: #fff;
            background:
                radial-gradient(circle at 18% 16%, rgba(139, 92, 246, .22), transparent 30%),
                radial-gradient(circle at 84% 76%, rgba(244, 63, 94, .14), transparent 24%),
                #17121f;
        }

        .section-heading {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 30px;
            margin-bottom: 36px;
        }

        .section-heading-copy {
            max-width: 700px;
        }

        .section-kicker {
            margin-bottom: 9px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 900;
            letter-spacing: .16em;
        }

        .section-title {
            margin: 0;
            color: #1a1522;
            font-size: clamp(30px, 4vw, 45px);
            line-height: 1.2;
            letter-spacing: -0.035em;
            font-weight: 950;
        }

        .section-description {
            max-width: 680px;
            margin: 13px 0 0;
            color: var(--muted);
            font-size: 16px;
        }

        .section-dark .section-kicker {
            color: #c4b5fd;
        }

        .section-dark .section-title,
        .section-dark .section-description {
            color: #fff;
        }

        .section-dark .section-description {
            color: #aaa2b6;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .feature-card {
            position: relative;
            overflow: hidden;
            min-height: 260px;
            padding: 28px;
            border: 1px solid var(--border);
            border-radius: 24px;
            background: #fff;
            box-shadow: 0 8px 28px rgba(34, 25, 55, 0.05);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }

        .feature-card:hover {
            transform: translateY(-7px);
            border-color: #d8ceef;
            box-shadow: var(--shadow-card);
        }

        .feature-card::after {
            content: "";
            position: absolute;
            width: 130px;
            height: 130px;
            right: -55px;
            bottom: -55px;
            border-radius: 50%;
            background: rgba(139, 92, 246, .07);
        }

        .feature-icon {
            width: 54px;
            height: 54px;
            display: grid;
            place-items: center;
            color: #fff;
            border-radius: 17px;
            background: linear-gradient(145deg, #8b5cf6, #6d28d9);
            box-shadow: 0 13px 24px rgba(109, 40, 217, .22);
        }

        .feature-card:nth-child(2) .feature-icon {
            background: linear-gradient(145deg, #fb7185, #e11d48);
            box-shadow: 0 13px 24px rgba(225, 29, 72, .2);
        }

        .feature-card:nth-child(3) .feature-icon {
            background: linear-gradient(145deg, #fbbf24, #d97706);
            box-shadow: 0 13px 24px rgba(217, 119, 6, .2);
        }

        .feature-card h3 {
            margin: 23px 0 10px;
            font-size: 22px;
            font-weight: 900;
        }

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

        .feature-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 20px;
        }

        .mini-badge {
            padding: 5px 9px;
            color: #6d28d9;
            border-radius: 8px;
            background: #f3f0ff;
            font-size: 12px;
            font-weight: 800;
        }

        .topic-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
        }

        .topic-card {
            position: relative;
            min-height: 330px;
            overflow: hidden;
            border-radius: 26px;
            background: #20192a;
            box-shadow: var(--shadow-card);
            isolation: isolate;
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .topic-card:hover {
            transform: translateY(-7px);
            box-shadow: 0 22px 48px rgba(29, 19, 50, .16);
        }

        .topic-card.large {
            grid-column: span 7;
        }

        .topic-card.small {
            grid-column: span 5;
        }

        .topic-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
            z-index: -2;
        }

        .topic-card:hover img {
            transform: scale(1.06);
        }

        .topic-card::after {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background: linear-gradient(105deg, rgba(19, 13, 27, .92) 0%, rgba(19, 13, 27, .62) 48%, rgba(19, 13, 27, .16) 100%);
        }

        .topic-content {
            height: 100%;
            max-width: 68%;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            justify-content: flex-end;
            padding: 30px;
            color: #fff;
        }

        .topic-label {
            padding: 6px 10px;
            color: #fff;
            border: 1px solid rgba(255,255,255,.24);
            border-radius: 999px;
            background: rgba(255,255,255,.12);
            backdrop-filter: blur(10px);
            font-size: 12px;
            font-weight: 800;
        }

        .topic-content h3 {
            margin: 15px 0 9px;
            font-size: 26px;
            line-height: 1.25;
            font-weight: 900;
        }

        .topic-content p {
            margin: 0;
            color: rgba(255,255,255,.72);
            font-size: 14px;
        }

        .catalog-toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 25px;
        }

        .filter-list {
            display: flex;
            flex-wrap: wrap;
            gap: 9px;
        }

        .filter-button {
            padding: 9px 14px;
            color: #6c6677;
            border: 1px solid var(--border);
            border-radius: 999px;
            background: #fff;
            cursor: pointer;
            font-size: 13px;
            font-weight: 800;
            transition: color .25s ease, border-color .25s ease, background .25s ease, transform .25s ease;
        }

        .filter-button:hover,
        .filter-button.active {
            color: #fff;
            border-color: var(--primary);
            background: var(--primary);
            transform: translateY(-1px);
        }

        .result-count {
            color: #88818f;
            font-size: 14px;
            white-space: nowrap;
        }

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

        .media-card {
            overflow: hidden;
            border: 1px solid var(--border);
            border-radius: 22px;
            background: #fff;
            box-shadow: 0 8px 24px rgba(37, 27, 60, .05);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }

        .media-card:hover {
            transform: translateY(-7px);
            border-color: #d9cff0;
            box-shadow: var(--shadow-card);
        }

        .media-cover {
            position: relative;
            height: 290px;
            overflow: hidden;
            background: #26202f;
        }

        .media-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .55s ease;
        }

        .media-card:hover .media-cover img {
            transform: scale(1.06);
        }

        .media-cover::after {
            content: "";
            position: absolute;
            inset: 48% 0 0;
            background: linear-gradient(to top, rgba(15, 9, 23, .65), transparent);
        }

        .quality-badge,
        .score-badge {
            position: absolute;
            z-index: 2;
            top: 14px;
            padding: 6px 9px;
            border-radius: 9px;
            font-size: 12px;
            font-weight: 900;
            backdrop-filter: blur(10px);
        }

        .quality-badge {
            left: 14px;
            color: #fff;
            background: rgba(109, 40, 217, .88);
        }

        .score-badge {
            right: 14px;
            color: #2b2011;
            background: rgba(251, 191, 36, .92);
        }

        .play-button {
            position: absolute;
            z-index: 3;
            width: 52px;
            height: 52px;
            right: 15px;
            bottom: 15px;
            display: grid;
            place-items: center;
            color: #fff;
            border: 1px solid rgba(255,255,255,.35);
            border-radius: 50%;
            background: rgba(124, 58, 237, .88);
            box-shadow: 0 12px 28px rgba(34, 20, 55, .28);
            transition: transform .25s ease, background .25s ease;
        }

        .media-card:hover .play-button {
            transform: scale(1.08);
            background: #f43f5e;
        }

        .media-body {
            padding: 19px;
        }

        .media-body h3 {
            margin: 0;
            font-size: 18px;
            font-weight: 900;
        }

        .media-body p {
            min-height: 48px;
            margin: 8px 0 0;
            color: var(--muted);
            font-size: 13px;
        }

        .media-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            margin-top: 16px;
            padding-top: 14px;
            color: #7c7586;
            border-top: 1px solid #f0edf4;
            font-size: 12px;
            font-weight: 700;
        }

        .media-card.is-hidden {
            display: none;
        }

        .strategy-grid {
            display: grid;
            grid-template-columns: .86fr 1.14fr;
            align-items: center;
            gap: 64px;
        }

        .metric-stack {
            display: grid;
            gap: 14px;
        }

        .metric-card {
            display: grid;
            grid-template-columns: 65px 1fr auto;
            align-items: center;
            gap: 16px;
            padding: 18px;
            border: 1px solid rgba(255,255,255,.1);
            border-radius: 20px;
            background: rgba(255,255,255,.055);
            transition: transform .25s ease, background .25s ease, border-color .25s ease;
        }

        .metric-card:hover {
            transform: translateX(5px);
            border-color: rgba(196, 181, 253, .35);
            background: rgba(255,255,255,.08);
        }

        .metric-number {
            font-size: 27px;
            font-weight: 950;
            color: #c4b5fd;
        }

        .metric-copy strong {
            display: block;
            font-size: 16px;
        }

        .metric-copy span {
            color: #9f97aa;
            font-size: 13px;
        }

        .metric-status {
            padding: 6px 9px;
            color: #d1fae5;
            border-radius: 8px;
            background: rgba(16, 185, 129, .15);
            font-size: 11px;
            font-weight: 900;
        }

        .path-panel {
            padding: 30px;
            border: 1px solid rgba(255,255,255,.12);
            border-radius: 28px;
            background: rgba(255,255,255,.06);
            box-shadow: 0 28px 70px rgba(0,0,0,.2);
            backdrop-filter: blur(16px);
        }

        .path-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 15px;
            margin-bottom: 28px;
        }

        .path-head strong {
            font-size: 21px;
        }

        .path-status {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: #a7f3d0;
            font-size: 12px;
            font-weight: 800;
        }

        .path-status::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #34d399;
            box-shadow: 0 0 0 5px rgba(52, 211, 153, .12);
        }

        .path-list {
            display: grid;
            gap: 0;
        }

        .path-item {
            position: relative;
            display: grid;
            grid-template-columns: 48px 1fr;
            gap: 15px;
            padding-bottom: 28px;
        }

        .path-item:last-child {
            padding-bottom: 0;
        }

        .path-item:not(:last-child)::after {
            content: "";
            position: absolute;
            width: 2px;
            top: 48px;
            bottom: 5px;
            left: 23px;
            background: linear-gradient(to bottom, #8b5cf6, rgba(139, 92, 246, .08));
        }

        .path-icon {
            width: 48px;
            height: 48px;
            display: grid;
            place-items: center;
            color: #fff;
            border: 1px solid rgba(255,255,255,.16);
            border-radius: 15px;
            background: linear-gradient(145deg, #7c3aed, #4c1d95);
            font-weight: 900;
        }

        .path-copy strong {
            display: block;
            margin-top: 2px;
            font-size: 16px;
        }

        .path-copy p {
            margin: 5px 0 0;
            color: #a9a1b4;
            font-size: 13px;
        }

        .ranking-layout {
            display: grid;
            grid-template-columns: 1.15fr .85fr;
            gap: 24px;
        }

        .ranking-panel,
        .insight-panel {
            padding: 27px;
            border: 1px solid var(--border);
            border-radius: 24px;
            background: #fff;
            box-shadow: 0 8px 28px rgba(33, 24, 53, .05);
        }

        .panel-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 15px;
            margin-bottom: 20px;
        }

        .panel-title h3 {
            margin: 0;
            font-size: 22px;
            font-weight: 900;
        }

        .panel-title span {
            color: #948d9e;
            font-size: 12px;
        }

        .rank-list {
            display: grid;
            gap: 10px;
        }

        .rank-item {
            display: grid;
            grid-template-columns: 42px 1fr auto;
            align-items: center;
            gap: 14px;
            padding: 14px;
            border: 1px solid transparent;
            border-radius: 15px;
            transition: background .25s ease, border-color .25s ease, transform .25s ease;
        }

        .rank-item:hover {
            transform: translateX(4px);
            border-color: #e7e1ef;
            background: #faf9fd;
        }

        .rank-index {
            width: 36px;
            height: 36px;
            display: grid;
            place-items: center;
            color: #6d28d9;
            border-radius: 11px;
            background: #ede9fe;
            font-weight: 950;
        }

        .rank-item:nth-child(1) .rank-index {
            color: #7c2d12;
            background: #fef3c7;
        }

        .rank-item:nth-child(2) .rank-index {
            color: #334155;
            background: #e2e8f0;
        }

        .rank-item:nth-child(3) .rank-index {
            color: #7c2d12;
            background: #ffedd5;
        }

        .rank-copy strong {
            display: block;
            font-size: 15px;
        }

        .rank-copy span {
            color: #8d8697;
            font-size: 12px;
        }

        .trend-value {
            color: #e11d48;
            font-size: 13px;
            font-weight: 900;
        }

        .insight-visual {
            position: relative;
            min-height: 190px;
            display: flex;
            align-items: flex-end;
            justify-content: space-around;
            gap: 14px;
            padding: 28px 20px 14px;
            overflow: hidden;
            border-radius: 18px;
            background: linear-gradient(155deg, #211831, #15101e);
        }

        .insight-bar {
            position: relative;
            width: 14%;
            min-height: 30px;
            border-radius: 10px 10px 4px 4px;
            background: linear-gradient(to top, #6d28d9, #c4b5fd);
            box-shadow: 0 0 24px rgba(139, 92, 246, .25);
        }

        .insight-bar:nth-child(1) { height: 36%; }
        .insight-bar:nth-child(2) { height: 55%; }
        .insight-bar:nth-child(3) { height: 45%; }
        .insight-bar:nth-child(4) { height: 82%; }
        .insight-bar:nth-child(5) { height: 68%; }
        .insight-bar:nth-child(6) { height: 94%; background: linear-gradient(to top, #e11d48, #fda4af); }

        .insight-notes {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-top: 15px;
        }

        .insight-note {
            padding: 14px;
            border-radius: 14px;
            background: #f8f7fc;
        }

        .insight-note strong {
            display: block;
            color: #342a45;
            font-size: 18px;
        }

        .insight-note span {
            color: #8b8495;
            font-size: 12px;
        }

        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .guide-card {
            padding: 25px;
            border: 1px solid var(--border);
            border-radius: 22px;
            background: #fff;
            transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
        }

        .guide-card:hover {
            transform: translateY(-6px);
            border-color: #d8ceef;
            box-shadow: var(--shadow-card);
        }

        .guide-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
        }

        .guide-category {
            color: var(--primary);
            font-size: 12px;
            font-weight: 900;
        }

        .guide-time {
            color: #9992a3;
            font-size: 12px;
        }

        .guide-card h3 {
            margin: 18px 0 10px;
            font-size: 20px;
            line-height: 1.42;
            font-weight: 900;
        }

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

        .guide-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            margin-top: 18px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 900;
        }

        .guide-link svg {
            transition: transform .25s ease;
        }

        .guide-card:hover .guide-link svg {
            transform: translateX(4px);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: .78fr 1.22fr;
            gap: 60px;
            align-items: start;
        }

        .faq-intro {
            position: sticky;
            top: 110px;
        }

        .faq-tip {
            margin-top: 25px;
            padding: 20px;
            color: #554d61;
            border: 1px solid #e2dcf0;
            border-radius: 18px;
            background: #f5f3ff;
            font-size: 14px;
        }

        .faq-list {
            display: grid;
            gap: 13px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: 18px;
            background: #fff;
            overflow: hidden;
            transition: border-color .25s ease, box-shadow .25s ease;
        }

        .faq-item[open] {
            border-color: #cfc4e9;
            box-shadow: 0 10px 30px rgba(43, 30, 70, .07);
        }

        .faq-item summary {
            position: relative;
            padding: 20px 58px 20px 22px;
            cursor: pointer;
            list-style: none;
            font-weight: 900;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "+";
            position: absolute;
            width: 30px;
            height: 30px;
            top: 50%;
            right: 18px;
            display: grid;
            place-items: center;
            color: var(--primary);
            border-radius: 9px;
            background: #f3f0ff;
            transform: translateY(-50%);
            font-size: 19px;
            font-weight: 500;
        }

        .faq-item[open] summary::after {
            content: "−";
            color: #fff;
            background: var(--primary);
        }

        .faq-answer {
            padding: 0 22px 22px;
            color: var(--muted);
            font-size: 14px;
        }

        .cta-section {
            padding: 70px 0 90px;
        }

        .cta-card {
            position: relative;
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr auto;
            align-items: center;
            gap: 30px;
            padding: 48px;
            color: #fff;
            border-radius: 30px;
            background:
                radial-gradient(circle at 85% 30%, rgba(251, 113, 133, .34), transparent 30%),
                linear-gradient(135deg, #5b21b6, #7c3aed 55%, #9333ea);
            box-shadow: 0 28px 70px rgba(91, 33, 182, .25);
        }

        .cta-card::before {
            content: "";
            position: absolute;
            width: 250px;
            height: 250px;
            top: -145px;
            left: 36%;
            border: 1px solid rgba(255,255,255,.18);
            border-radius: 50%;
        }

        .cta-copy {
            position: relative;
            z-index: 1;
            max-width: 720px;
        }

        .cta-copy h2 {
            margin: 0;
            font-size: clamp(30px, 4vw, 45px);
            line-height: 1.2;
            letter-spacing: -.035em;
            font-weight: 950;
        }

        .cta-copy p {
            margin: 13px 0 0;
            color: rgba(255,255,255,.76);
        }

        .cta-card .secondary-button {
            position: relative;
            z-index: 1;
            color: #5b21b6;
            border-color: rgba(255,255,255,.55);
            background: #fff;
        }

        .site-footer {
            color: #c3bccd;
            background: #15101d;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.25fr .75fr;
            gap: 50px;
            padding: 55px 0 36px;
        }

        .footer-brand {
            max-width: 620px;
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-size: 20px;
            font-weight: 900;
        }

        .footer-brand p {
            margin: 18px 0 0;
            color: #968e9f;
            font-size: 14px;
        }

        .footer-nav {
            display: flex;
            align-items: flex-start;
            justify-content: flex-end;
            gap: 12px;
        }

        .footer-link {
            padding: 9px 13px;
            color: #c9c2d2;
            border: 1px solid rgba(255,255,255,.1);
            border-radius: 11px;
            font-size: 13px;
            font-weight: 800;
            transition: color .25s ease, border-color .25s ease, background .25s ease;
        }

        .footer-link:hover {
            color: #fff;
            border-color: rgba(196, 181, 253, .4);
            background: rgba(139, 92, 246, .12);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 25px;
            padding: 22px 0;
            color: #7f7788;
            border-top: 1px solid rgba(255,255,255,.08);
            font-size: 12px;
        }

        .empty-state {
            grid-column: 1 / -1;
            display: none;
            padding: 45px 25px;
            text-align: center;
            color: var(--muted);
            border: 1px dashed #d8d1e2;
            border-radius: 20px;
            background: #faf9fd;
        }

        .empty-state.visible {
            display: block;
        }

        @media (max-width: 1100px) {
            .brand-text {
                max-width: 160px;
            }

            .nav-search {
                width: 205px;
            }

            .hero-grid {
                grid-template-columns: 1fr 440px;
                gap: 36px;
            }

            .media-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 1024px) {
            .desktop-nav,
            .nav-search,
            .nav-actions > .primary-button {
                display: none;
            }

            .menu-button {
                display: grid;
            }

            .brand-text {
                max-width: 270px;
            }

            .hero {
                padding-top: 55px;
            }

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

            .hero-copy {
                max-width: 760px;
            }

            .hero-visual {
                width: min(660px, 100%);
                margin: 0 auto;
            }

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

            .feature-card:last-child,
            .guide-card:last-child {
                grid-column: 1 / -1;
            }

            .strategy-grid,
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .faq-intro {
                position: static;
            }

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

        @media (max-width: 820px) {
            .site-container {
                width: min(100% - 30px, 1180px);
            }

            .section {
                padding: 72px 0;
            }

            .section-heading {
                align-items: flex-start;
                flex-direction: column;
                margin-bottom: 28px;
            }

            .topic-card.large,
            .topic-card.small {
                grid-column: span 12;
            }

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

            .catalog-toolbar {
                align-items: flex-start;
                flex-direction: column;
            }

            .cta-card {
                grid-template-columns: 1fr;
                padding: 38px;
            }

            .cta-card .secondary-button {
                width: fit-content;
            }

            .footer-main {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-nav {
                justify-content: flex-start;
            }
        }

        @media (max-width: 620px) {
            .site-container {
                width: min(100% - 24px, 1180px);
            }

            .nav-shell {
                min-height: 68px;
            }

            .brand-logo {
                gap: 9px;
                max-width: calc(100% - 55px);
            }

            .brand-mark {
                width: 38px;
                height: 38px;
                flex-basis: 38px;
                border-radius: 12px;
            }

            .brand-text {
                max-width: 200px;
                font-size: 16px;
            }

            .hero {
                padding: 42px 0 38px;
            }

            .hero-title {
                margin-top: 19px;
                font-size: clamp(37px, 12vw, 54px);
            }

            .hero-copy {
                font-size: 16px;
            }

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

            .hero-buttons a {
                width: 100%;
            }

            .hero-visual {
                min-height: 410px;
            }

            .hero-poster-main {
                width: 67%;
                height: 340px;
                right: 1%;
            }

            .hero-poster-side {
                width: 47%;
                height: 245px;
            }

            .hud-card {
                min-width: 145px;
                padding: 12px;
            }

            .hud-card-top {
                top: 3px;
            }

            .hud-value {
                font-size: 20px;
            }

            .poster-caption strong {
                font-size: 15px;
            }

            .quick-search {
                grid-template-columns: auto 1fr;
                padding: 15px 17px;
            }

            .quick-search .primary-button {
                grid-column: 1 / -1;
                width: 100%;
            }

            .feature-grid,
            .guide-grid,
            .media-grid {
                grid-template-columns: 1fr;
            }

            .feature-card:last-child,
            .guide-card:last-child {
                grid-column: auto;
            }

            .media-cover {
                height: 380px;
            }

            .topic-card {
                min-height: 390px;
            }

            .topic-content {
                max-width: 92%;
                padding: 23px;
            }

            .topic-content h3 {
                font-size: 22px;
            }

            .path-panel,
            .ranking-panel,
            .insight-panel {
                padding: 21px;
            }

            .metric-card {
                grid-template-columns: 50px 1fr;
            }

            .metric-number {
                font-size: 22px;
            }

            .metric-status {
                grid-column: 2;
                width: fit-content;
            }

            .rank-item {
                grid-template-columns: 38px 1fr;
            }

            .trend-value {
                grid-column: 2;
            }

            .cta-section {
                padding-bottom: 65px;
            }

            .cta-card {
                padding: 30px 24px;
                border-radius: 24px;
            }

            .cta-card .secondary-button {
                width: 100%;
            }

            .footer-bottom {
                align-items: flex-start;
                flex-direction: column;
                gap: 8px;
            }
        }

        @media (max-width: 420px) {
            .brand-text {
                max-width: 154px;
            }

            .hero-visual {
                min-height: 370px;
            }

            .hero-poster-main {
                height: 300px;
            }

            .hero-poster-side {
                height: 215px;
            }

            .hud-card-bottom {
                bottom: -5px;
            }

            .media-cover {
                height: 330px;
            }

            .footer-nav {
                width: 100%;
            }

            .footer-link {
                flex: 1;
                text-align: center;
            }
        }