/* roulang page: index */
:root {
            --bg: #151214;
            --bg-deep: #0f0d0e;
            --surface: #1c181a;
            --surface-2: #231d20;
            --surface-3: #2a2225;
            --primary: #72394d;
            --primary-strong: #914a61;
            --accent: #e0a35f;
            --accent-strong: #f0bb78;
            --text: #f4eee9;
            --text-soft: #c9bebb;
            --muted: #92878a;
            --line: rgba(225, 201, 190, .15);
            --line-strong: rgba(224, 163, 95, .38);
            --success: #7aa694;
            --warning: #d5a15d;
            --danger: #a9565b;
            --reported: #8f7378;
            --radius-xs: 4px;
            --radius-sm: 7px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow: 0 20px 55px rgba(0, 0, 0, .28);
            --shadow-small: 0 10px 24px rgba(0, 0, 0, .18);
            --container: 1240px;
            --header-height: 76px;
            --transition: 180ms ease;
        }

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

        html {
            scroll-behavior: smooth;
            color-scheme: dark;
        }

        body {
            margin: 0;
            min-width: 320px;
            background:
                linear-gradient(rgba(255, 255, 255, .018) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, .014) 1px, transparent 1px),
                var(--bg);
            background-size: 36px 36px;
            color: var(--text);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.78;
            text-rendering: optimizeLegibility;
        }

        body.menu-open,
        body.age-open {
            overflow: hidden;
        }

        h1, h2, h3, p, ul, ol, dl, dd {
            margin-top: 0;
        }

        h1, h2, h3 {
            color: var(--text);
            line-height: 1.25;
            letter-spacing: -.025em;
        }

        h1 {
            margin-bottom: 22px;
            font-size: clamp(2.35rem, 5.4vw, 5.3rem);
            font-weight: 900;
        }

        h2 {
            margin-bottom: 15px;
            font-size: clamp(1.75rem, 3vw, 2.8rem);
            font-weight: 800;
        }

        h3 {
            margin-bottom: 9px;
            font-size: 1.12rem;
            font-weight: 750;
        }

        p {
            color: var(--text-soft);
        }

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

        button,
        input {
            font: inherit;
        }

        button {
            color: inherit;
        }

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(224, 163, 95, .48);
            outline-offset: 3px;
        }

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

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

        .skip-link {
            position: fixed;
            z-index: 2000;
            top: 10px;
            left: 10px;
            padding: 10px 15px;
            transform: translateY(-150%);
            background: var(--accent);
            color: var(--bg-deep);
            border-radius: var(--radius-sm);
            font-weight: 800;
        }

        .skip-link:focus {
            transform: translateY(0);
        }

        .site-header {
            position: sticky;
            z-index: 1000;
            top: 0;
            min-height: var(--header-height);
            border-bottom: 1px solid var(--line);
            background: rgba(18, 15, 16, .92);
            backdrop-filter: blur(16px);
        }

        .nav-wrap {
            min-height: var(--header-height);
            display: grid;
            grid-template-columns: minmax(230px, 1fr) auto minmax(230px, 1fr);
            align-items: center;
            gap: 26px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            width: fit-content;
            font-weight: 900;
            line-height: 1.2;
        }

        .brand-mark {
            position: relative;
            width: 34px;
            height: 34px;
            flex: 0 0 auto;
            border: 1px solid var(--line-strong);
            background: var(--surface-2);
            border-radius: var(--radius-xs);
            box-shadow: inset 0 0 0 5px rgba(224, 163, 95, .035);
        }

        .brand-mark::before,
        .brand-mark::after {
            content: "";
            position: absolute;
            background: var(--accent);
        }

        .brand-mark::before {
            width: 14px;
            height: 2px;
            top: 10px;
            left: 9px;
            box-shadow: 0 6px 0 var(--primary-strong), 0 12px 0 var(--accent);
        }

        .brand-mark::after {
            width: 5px;
            height: 5px;
            right: -3px;
            top: -3px;
            border-radius: 50%;
        }

        .brand-text {
            max-width: 200px;
            font-size: .98rem;
        }

        .main-nav {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 7px;
        }

        .main-nav a {
            position: relative;
            padding: 10px 15px;
            color: var(--text-soft);
            border-radius: var(--radius-sm);
            font-size: .94rem;
            font-weight: 700;
        }

        .main-nav a:hover {
            color: var(--text);
            background: rgba(255, 255, 255, .035);
        }

        .main-nav a.active {
            color: var(--accent-strong);
            background: rgba(224, 163, 95, .08);
        }

        .main-nav a.active::after {
            content: "";
            position: absolute;
            right: 15px;
            bottom: 5px;
            left: 15px;
            height: 2px;
            background: var(--accent);
        }

        .nav-actions {
            display: flex;
            justify-content: flex-end;
            gap: 9px;
        }

        .btn {
            min-height: 46px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            padding: 11px 18px;
            border: 1px solid transparent;
            border-radius: var(--radius-sm);
            cursor: pointer;
            font-weight: 800;
            line-height: 1.2;
            transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

        .btn:hover {
            transform: translateY(-2px);
        }

        .btn:active {
            transform: translateY(0);
        }

        .btn-primary {
            color: #24170e;
            border-color: var(--accent);
            background: var(--accent);
            box-shadow: 0 8px 24px rgba(224, 163, 95, .17);
        }

        .btn-primary:hover {
            background: var(--accent-strong);
            border-color: var(--accent-strong);
            box-shadow: 0 12px 30px rgba(224, 163, 95, .25);
        }

        .btn-secondary {
            color: var(--text);
            border-color: var(--line);
            background: rgba(255, 255, 255, .025);
        }

        .btn-secondary:hover {
            border-color: var(--line-strong);
            background: rgba(224, 163, 95, .07);
        }

        .btn[disabled],
        .btn.disabled {
            opacity: .42;
            cursor: not-allowed;
            pointer-events: none;
        }

        .btn.loading {
            cursor: wait;
        }

        .btn.loading::before {
            content: "";
            width: 14px;
            height: 14px;
            border: 2px solid currentColor;
            border-right-color: transparent;
            border-radius: 50%;
            animation: spin .75s linear infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        .menu-toggle {
            display: none;
            width: 46px;
            height: 46px;
            padding: 0;
            border: 1px solid var(--line);
            background: var(--surface);
            border-radius: var(--radius-sm);
            cursor: pointer;
        }

        .menu-toggle span,
        .menu-toggle::before,
        .menu-toggle::after {
            content: "";
            display: block;
            width: 20px;
            height: 2px;
            margin: 5px auto;
            background: var(--text);
            transition: transform var(--transition), opacity var(--transition);
        }

        .menu-toggle.active span {
            opacity: 0;
        }

        .menu-toggle.active::before {
            transform: translateY(7px) rotate(45deg);
        }

        .menu-toggle.active::after {
            transform: translateY(-7px) rotate(-45deg);
        }

        .hero {
            position: relative;
            overflow: hidden;
            min-height: 710px;
            display: flex;
            align-items: center;
            padding: 94px 0 74px;
            border-bottom: 1px solid var(--line);
            background:
                radial-gradient(circle at 78% 17%, rgba(114, 57, 77, .28), transparent 33%),
                radial-gradient(circle at 18% 75%, rgba(224, 163, 95, .09), transparent 26%),
                linear-gradient(145deg, #100e0f 0%, #1d1719 55%, #171214 100%);
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            opacity: .19;
            pointer-events: none;
            background: repeating-linear-gradient(0deg, transparent 0 4px, rgba(255, 255, 255, .018) 5px);
        }

        .hero-shell {
            position: relative;
            z-index: 1;
        }

        .hero-topline {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            margin-bottom: 34px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            color: var(--accent-strong);
            font-size: .84rem;
            font-weight: 850;
            letter-spacing: .08em;
        }

        .eyebrow::before {
            content: "";
            width: 24px;
            height: 2px;
            background: var(--accent);
        }

        .promo-sticker {
            position: relative;
            width: 106px;
            height: 106px;
            display: grid;
            place-items: center;
            flex: 0 0 auto;
            padding: 16px;
            text-align: center;
            color: #27190e;
            background: var(--accent);
            clip-path: polygon(50% 0%, 61% 13%, 77% 6%, 82% 23%, 100% 26%, 91% 42%, 100% 56%, 83% 65%, 85% 83%, 66% 81%, 55% 100%, 43% 84%, 25% 93%, 20% 74%, 2% 68%, 13% 51%, 0 37%, 19% 29%, 19% 10%, 38% 17%);
            transform: rotate(6deg);
            font-size: .88rem;
            font-weight: 950;
            line-height: 1.35;
        }

        .hero-title {
            max-width: 1060px;
        }

        .hero-title em {
            color: var(--accent-strong);
            font-style: normal;
        }

        .hero-copy {
            max-width: 790px;
            margin-bottom: 30px;
            color: #d7cbc7;
            font-size: clamp(1rem, 1.7vw, 1.18rem);
            line-height: 1.9;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 45px;
        }

        .hero-actions .btn {
            min-width: 152px;
        }

        .hero-stage {
            display: grid;
            grid-template-columns: 1.35fr .9fr .9fr;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--line);
        }

        .stage-block {
            position: relative;
            min-height: 125px;
            padding: 20px;
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background: rgba(37, 30, 33, .74);
            box-shadow: var(--shadow-small);
        }

        .stage-block::after {
            content: "";
            position: absolute;
            right: -30px;
            bottom: -54px;
            width: 140px;
            height: 100px;
            border: 1px solid rgba(224, 163, 95, .14);
            transform: rotate(-18deg);
        }

        .stage-label {
            display: block;
            margin-bottom: 15px;
            color: var(--muted);
            font-size: .75rem;
            font-weight: 800;
            letter-spacing: .08em;
        }

        .stage-value {
            display: block;
            margin-bottom: 7px;
            font-size: 1.35rem;
            font-weight: 900;
        }

        .stage-note {
            color: var(--text-soft);
            font-size: .87rem;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            display: inline-block;
            margin-right: 7px;
            border-radius: 50%;
            background: var(--success);
            box-shadow: 0 0 0 5px rgba(122, 166, 148, .08);
        }

        .section {
            padding: 96px 0;
            border-bottom: 1px solid var(--line);
        }

        .section-muted {
            background: rgba(12, 10, 11, .28);
        }

        .section-heading {
            max-width: 720px;
            margin-bottom: 42px;
        }

        .section-heading p {
            margin-bottom: 0;
            font-size: 1.02rem;
            line-height: 1.85;
        }

        .section-heading.split {
            max-width: none;
            display: grid;
            grid-template-columns: 1fr .8fr;
            align-items: end;
            gap: 50px;
        }

        .section-heading.split p {
            padding-bottom: 5px;
        }

        .vertical-discovery {
            display: grid;
            grid-template-columns: .72fr 1.28fr;
            gap: 28px;
            align-items: stretch;
        }

        .discovery-intro {
            position: relative;
            padding: 34px;
            border: 1px solid var(--line-strong);
            border-radius: var(--radius-lg);
            background: linear-gradient(160deg, rgba(114, 57, 77, .28), rgba(35, 29, 32, .72));
            box-shadow: var(--shadow);
        }

        .discovery-intro .number {
            display: block;
            margin-bottom: 44px;
            color: var(--accent);
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1;
        }

        .discovery-intro p {
            margin-bottom: 24px;
        }

        .mini-flow {
            display: grid;
            gap: 10px;
            margin-top: 28px;
        }

        .mini-flow span {
            display: flex;
            align-items: center;
            gap: 11px;
            padding: 11px 0;
            border-top: 1px solid var(--line);
            color: var(--text-soft);
            font-size: .9rem;
        }

        .mini-flow i {
            width: 24px;
            height: 24px;
            display: grid;
            place-items: center;
            color: var(--bg-deep);
            background: var(--accent);
            border-radius: var(--radius-xs);
            font-style: normal;
            font-size: .72rem;
            font-weight: 900;
        }

        .portrait-track {
            display: grid;
            grid-template-columns: 1.12fr .88fr;
            gap: 14px;
        }

        .portrait-card {
            position: relative;
            min-height: 240px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            overflow: hidden;
            padding: 24px;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background:
                linear-gradient(0deg, rgba(12, 10, 11, .96), rgba(12, 10, 11, .08)),
                linear-gradient(135deg, #5a2e3d, #2b2225 50%, #7c5a3e);
            box-shadow: var(--shadow-small);
        }

        .portrait-card.tall {
            grid-row: span 2;
            min-height: 494px;
        }

        .portrait-card:nth-child(2) {
            background:
                linear-gradient(0deg, rgba(12, 10, 11, .95), transparent),
                linear-gradient(135deg, #39272e, #755241);
        }

        .portrait-card:nth-child(3) {
            background:
                linear-gradient(0deg, rgba(12, 10, 11, .95), transparent),
                linear-gradient(140deg, #693348, #2b2525 62%, #766044);
        }

        .portrait-card:hover {
            transform: translateY(-4px);
            border-color: var(--line-strong);
        }

        .portrait-index {
            position: absolute;
            top: 16px;
            left: 16px;
            padding: 5px 9px;
            color: var(--accent-strong);
            border: 1px solid var(--line-strong);
            border-radius: var(--radius-xs);
            background: rgba(14, 12, 13, .65);
            font-size: .74rem;
            font-weight: 850;
        }

        .portrait-card h3 {
            max-width: 390px;
            font-size: 1.3rem;
        }

        .portrait-card p {
            max-width: 430px;
            margin: 0;
            color: #d4c8c4;
            font-size: .91rem;
        }

        .tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 13px;
        }

        .tag,
        .badge {
            display: inline-flex;
            align-items: center;
            width: fit-content;
            padding: 5px 9px;
            border: 1px solid var(--line);
            border-radius: var(--radius-xs);
            color: var(--text-soft);
            background: rgba(255, 255, 255, .025);
            font-size: .74rem;
            font-weight: 750;
            line-height: 1.25;
        }

        .tag.active,
        .badge.hot {
            color: var(--accent-strong);
            border-color: var(--line-strong);
            background: rgba(224, 163, 95, .08);
        }

        .badge.success {
            color: #afd2c4;
            border-color: rgba(122, 166, 148, .35);
            background: rgba(122, 166, 148, .08);
        }

        .badge.age-restricted {
            color: #e3b072;
            border-color: rgba(213, 161, 93, .35);
            background: rgba(213, 161, 93, .08);
        }

        .badge.reported {
            color: #baa8ac;
            border-color: rgba(143, 115, 120, .35);
            background: rgba(143, 115, 120, .08);
        }

        .ranking-shell {
            display: grid;
            grid-template-columns: 1.25fr .75fr;
            gap: 24px;
        }

        .ranking-list {
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--surface);
            box-shadow: var(--shadow-small);
        }

        .ranking-head,
        .ranking-item {
            display: grid;
            grid-template-columns: 58px minmax(0, 1fr) 110px 92px;
            align-items: center;
            gap: 16px;
        }

        .ranking-head {
            padding: 12px 20px;
            color: var(--muted);
            border-bottom: 1px solid var(--line);
            background: var(--surface-2);
            font-size: .78rem;
            font-weight: 800;
        }

        .ranking-item {
            min-height: 92px;
            padding: 17px 20px;
            border-bottom: 1px solid var(--line);
        }

        .ranking-item:last-child {
            border-bottom: 0;
        }

        .ranking-item:hover {
            background: rgba(224, 163, 95, .035);
        }

        .rank-no {
            color: var(--accent);
            font-size: 1.35rem;
            font-weight: 900;
        }

        .rank-title {
            display: block;
            margin-bottom: 5px;
            color: var(--text);
            font-weight: 800;
        }

        .rank-title:hover {
            color: var(--accent-strong);
        }

        .rank-summary {
            display: block;
            overflow: hidden;
            color: var(--muted);
            font-size: .84rem;
            white-space: nowrap;
            text-overflow: ellipsis;
        }

        .rank-metric {
            color: var(--text-soft);
            font-size: .86rem;
        }

        .trend {
            color: var(--success);
            font-weight: 850;
        }

        .trend.steady {
            color: var(--warning);
        }

        .result-panel {
            padding: 28px;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background: linear-gradient(180deg, var(--surface-2), var(--surface));
        }

        .result-panel h3 {
            margin-bottom: 22px;
        }

        .metric {
            margin-bottom: 23px;
        }

        .metric:last-child {
            margin-bottom: 0;
        }

        .metric-top {
            display: flex;
            justify-content: space-between;
            gap: 14px;
            margin-bottom: 8px;
            color: var(--text-soft);
            font-size: .87rem;
        }

        .metric-top strong {
            color: var(--text);
        }

        .progress {
            height: 7px;
            overflow: hidden;
            border-radius: 99px;
            background: rgba(255, 255, 255, .055);
        }

        .progress span {
            display: block;
            height: 100%;
            border-radius: inherit;
            background: linear-gradient(90deg, var(--primary-strong), var(--accent));
        }

        .feedback-layout {
            display: grid;
            grid-template-columns: .82fr 1.18fr;
            gap: 40px;
            align-items: start;
        }

        .feedback-summary {
            position: sticky;
            top: 110px;
        }

        .feedback-summary p {
            max-width: 480px;
        }

        .signal-box {
            margin-top: 28px;
            padding: 20px;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            background: var(--surface);
        }

        .signal-wave {
            height: 54px;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .signal-wave i {
            width: 4px;
            height: var(--wave);
            display: block;
            border-radius: 2px;
            background: var(--accent);
            opacity: .65;
        }

        .signal-box small {
            color: var(--muted);
        }

        .feedback-log {
            display: grid;
            gap: 13px;
        }

        .feedback-item {
            padding: 24px;
            border: 1px solid var(--line);
            border-left: 3px solid var(--primary-strong);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            background: var(--surface);
        }

        .feedback-item:nth-child(even) {
            margin-left: 42px;
            border-left-color: var(--accent);
        }

        .feedback-item:hover {
            border-color: var(--line-strong);
            border-left-color: var(--accent);
            transform: translateX(3px);
        }

        .feedback-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 12px;
        }

        .feedback-name {
            font-weight: 850;
        }

        .feedback-item blockquote {
            margin: 0;
            color: var(--text-soft);
            line-height: 1.85;
        }

        .updates-layout {
            display: grid;
            grid-template-columns: 1.18fr .82fr;
            gap: 26px;
        }

        .updates-list,
        .recommend-panel {
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background: var(--surface);
        }

        .search-bar {
            display: flex;
            gap: 10px;
            padding: 16px;
            border-bottom: 1px solid var(--line);
        }

        .search-bar label {
            position: absolute;
            width: 1px;
            height: 1px;
            overflow: hidden;
            clip: rect(0 0 0 0);
        }

        .search-input {
            min-width: 0;
            min-height: 46px;
            flex: 1;
            padding: 11px 14px;
            color: var(--text);
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            background: var(--bg-deep);
            outline: none;
        }

        .search-input::placeholder {
            color: var(--muted);
        }

        .search-input:hover {
            border-color: rgba(224, 163, 95, .25);
        }

        .search-input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(224, 163, 95, .1);
        }

        .update-row {
            display: grid;
            grid-template-columns: 105px minmax(0, 1fr) auto;
            gap: 18px;
            align-items: center;
            padding: 21px 20px;
            border-bottom: 1px solid var(--line);
        }

        .update-row:last-child {
            border-bottom: 0;
        }

        .update-row:hover {
            background: rgba(255, 255, 255, .02);
        }

        .update-date {
            color: var(--muted);
            font-size: .82rem;
        }

        .update-title {
            display: block;
            margin-bottom: 4px;
            color: var(--text);
            font-weight: 800;
        }

        .update-title:hover {
            color: var(--accent-strong);
        }

        .update-summary {
            color: var(--muted);
            font-size: .84rem;
        }

        .arrow-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--accent-strong);
            font-size: .85rem;
            font-weight: 800;
            white-space: nowrap;
        }

        .arrow-link::after {
            content: "→";
            transition: transform var(--transition);
        }

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

        .empty-state {
            display: none;
            padding: 32px 20px;
            color: var(--muted);
            text-align: center;
        }

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

        .recommend-panel {
            padding: 26px;
            background:
                linear-gradient(145deg, rgba(114, 57, 77, .12), transparent 55%),
                var(--surface);
        }

        .recommend-panel h3 {
            margin-bottom: 20px;
        }

        .recommend-main {
            min-height: 205px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            margin-bottom: 18px;
            padding: 23px;
            border: 1px solid var(--line-strong);
            border-radius: var(--radius-sm);
            background:
                linear-gradient(0deg, rgba(15, 13, 14, .94), rgba(15, 13, 14, .05)),
                linear-gradient(135deg, #6d384a, #302428 55%, #7b5a3d);
        }

        .recommend-main p {
            margin: 0;
            font-size: .88rem;
        }

        .recommend-links {
            display: grid;
            gap: 2px;
        }

        .recommend-links a {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            padding: 12px 0;
            color: var(--text-soft);
            border-bottom: 1px solid var(--line);
            font-size: .9rem;
        }

        .recommend-links a:hover {
            color: var(--accent-strong);
            padding-left: 5px;
        }

        .recommend-links span {
            color: var(--muted);
            font-size: .78rem;
            white-space: nowrap;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: .7fr 1.3fr;
            gap: 52px;
        }

        .faq-aside {
            padding-right: 25px;
        }

        .faq-aside .compliance-note {
            margin-top: 28px;
            padding: 18px;
            border: 1px solid rgba(213, 161, 93, .28);
            border-radius: var(--radius-sm);
            color: var(--text-soft);
            background: rgba(213, 161, 93, .05);
            font-size: .88rem;
        }

        .faq-list {
            border-top: 1px solid var(--line);
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
        }

        .faq-item summary {
            position: relative;
            display: flex;
            align-items: center;
            min-height: 76px;
            padding: 18px 50px 18px 6px;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            font-weight: 800;
        }

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

        .faq-item summary::after {
            content: "+";
            position: absolute;
            right: 8px;
            width: 30px;
            height: 30px;
            display: grid;
            place-items: center;
            color: var(--accent);
            border: 1px solid var(--line);
            border-radius: var(--radius-xs);
            font-size: 1.2rem;
            transition: transform var(--transition), background var(--transition);
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
            background: rgba(224, 163, 95, .08);
        }

        .faq-item summary:hover {
            color: var(--accent-strong);
        }

        .faq-answer {
            padding: 0 54px 24px 6px;
        }

        .faq-answer p {
            margin: 0;
            line-height: 1.9;
        }

        .final-cta {
            padding: 88px 0;
            background:
                linear-gradient(100deg, rgba(114, 57, 77, .28), transparent 46%),
                var(--bg-deep);
        }

        .cta-panel {
            position: relative;
            overflow: hidden;
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto;
            align-items: center;
            gap: 42px;
            padding: 48px;
            border: 1px solid var(--line-strong);
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, #281c20, #1a1618);
            box-shadow: var(--shadow);
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 180px;
            height: 3px;
            background: var(--accent);
        }

        .cta-panel::after {
            content: "";
            position: absolute;
            right: -90px;
            bottom: -140px;
            width: 310px;
            height: 310px;
            border: 1px solid rgba(224, 163, 95, .1);
            border-radius: 50%;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 760px;
        }

        .cta-content h2 {
            margin-bottom: 15px;
        }

        .cta-content p {
            margin-bottom: 0;
        }

        .cta-actions {
            position: relative;
            z-index: 1;
            display: flex;
            flex-wrap: wrap;
            justify-content: flex-end;
            gap: 10px;
        }

        .cta-footnote {
            margin-top: 22px;
            color: var(--muted);
            font-size: .82rem;
        }

        .site-footer {
            padding: 62px 0 26px;
            border-top: 1px solid var(--line);
            background: #100e0f;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.25fr .7fr .9fr;
            gap: 54px;
            padding-bottom: 44px;
        }

        .footer-brand .brand {
            margin-bottom: 18px;
        }

        .footer-brand p {
            max-width: 470px;
            margin-bottom: 18px;
            color: var(--muted);
            font-size: .9rem;
        }

        .footer-age {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            color: var(--warning);
            font-size: .85rem;
            font-weight: 800;
        }

        .footer-age strong {
            width: 30px;
            height: 30px;
            display: grid;
            place-items: center;
            border: 1px solid rgba(213, 161, 93, .38);
            border-radius: 50%;
        }

        .footer-column h3 {
            margin-bottom: 16px;
            color: var(--text);
            font-size: .92rem;
        }

        .footer-links {
            display: grid;
            gap: 9px;
        }

        .footer-links a {
            width: fit-content;
            color: var(--muted);
            font-size: .88rem;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 25px;
            padding-top: 24px;
            color: #736a6c;
            border-top: 1px solid var(--line);
            font-size: .8rem;
        }

        .state-message {
            padding: 13px 15px;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            background: var(--surface);
            font-size: .86rem;
        }

        .state-message.success {
            color: #afd2c4;
            border-color: rgba(122, 166, 148, .32);
        }

        .state-message.error {
            color: #d99599;
            border-color: rgba(169, 86, 91, .36);
        }

        .age-gate {
            position: fixed;
            z-index: 3000;
            inset: 0;
            display: none;
            place-items: center;
            padding: 20px;
            background: rgba(10, 8, 9, .92);
            backdrop-filter: blur(16px);
        }

        .age-gate.show {
            display: grid;
        }

        .age-dialog {
            width: min(100%, 560px);
            padding: 38px;
            border: 1px solid var(--line-strong);
            border-radius: var(--radius-lg);
            background: var(--surface);
            box-shadow: 0 30px 90px rgba(0, 0, 0, .6);
        }

        .age-symbol {
            width: 62px;
            height: 62px;
            display: grid;
            place-items: center;
            margin-bottom: 24px;
            color: var(--accent);
            border: 1px solid var(--line-strong);
            border-radius: 50%;
            font-size: 1.1rem;
            font-weight: 950;
        }

        .age-dialog h2 {
            font-size: 1.8rem;
        }

        .age-dialog p {
            line-height: 1.85;
        }

        .age-actions {
            display: flex;
            gap: 10px;
            margin-top: 26px;
        }

        .age-actions .btn {
            flex: 1;
        }

        .mobile-drawer {
            display: none;
        }

        @media (max-width: 1100px) {
            .nav-wrap {
                grid-template-columns: minmax(220px, 1fr) auto auto;
                gap: 15px;
            }

            .main-nav a {
                padding-inline: 11px;
            }

            .nav-actions .btn-secondary {
                display: none;
            }

            .hero {
                min-height: 650px;
            }

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

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

            .metric {
                margin-bottom: 0;
            }
        }

        @media (max-width: 860px) {
            :root {
                --header-height: 68px;
            }

            .container {
                width: min(calc(100% - 30px), var(--container));
            }

            .nav-wrap {
                grid-template-columns: 1fr auto auto;
            }

            .main-nav,
            .nav-actions .btn-secondary {
                display: none;
            }

            .menu-toggle {
                display: block;
            }

            .mobile-drawer {
                position: fixed;
                z-index: 999;
                top: var(--header-height);
                right: 0;
                bottom: 0;
                width: min(88vw, 380px);
                display: block;
                padding: 24px;
                transform: translateX(105%);
                border-left: 1px solid var(--line);
                background: #151214;
                box-shadow: -20px 0 50px rgba(0, 0, 0, .35);
                transition: transform 220ms ease;
            }

            .mobile-drawer.open {
                transform: translateX(0);
            }

            .mobile-links {
                display: grid;
                gap: 8px;
            }

            .mobile-links a {
                min-height: 50px;
                display: flex;
                align-items: center;
                padding: 12px 14px;
                color: var(--text-soft);
                border: 1px solid var(--line);
                border-radius: var(--radius-sm);
            }

            .mobile-links a.active {
                color: var(--accent-strong);
                border-color: var(--line-strong);
                background: rgba(224, 163, 95, .06);
            }

            .mobile-cta {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 9px;
                margin-top: 18px;
            }

            .hero {
                min-height: auto;
                padding: 75px 0 58px;
            }

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

            .stage-block:first-child {
                grid-column: 1 / -1;
            }

            .section {
                padding: 74px 0;
            }

            .section-heading.split,
            .vertical-discovery,
            .feedback-layout,
            .faq-grid {
                grid-template-columns: 1fr;
            }

            .section-heading.split {
                gap: 8px;
            }

            .vertical-discovery {
                gap: 16px;
            }

            .discovery-intro .number {
                margin-bottom: 24px;
            }

            .feedback-summary {
                position: static;
            }

            .feedback-item:nth-child(even) {
                margin-left: 0;
            }

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

            .cta-actions {
                justify-content: flex-start;
            }

            .footer-grid {
                grid-template-columns: 1.2fr .8fr;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 640px) {
            body {
                background-size: 28px 28px;
            }

            .brand-text {
                max-width: 145px;
                font-size: .86rem;
            }

            .nav-actions .btn-primary {
                min-height: 42px;
                padding: 9px 12px;
                font-size: .82rem;
            }

            .hero-topline {
                align-items: flex-start;
            }

            .promo-sticker {
                width: 82px;
                height: 82px;
                padding: 13px;
                font-size: .73rem;
            }

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

            .hero-actions .btn:last-child {
                grid-column: 1 / -1;
            }

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

            .stage-block:first-child {
                grid-column: auto;
            }

            .portrait-track {
                grid-template-columns: 1fr;
            }

            .portrait-card,
            .portrait-card.tall {
                min-height: 280px;
                grid-row: auto;
            }

            .ranking-head {
                display: none;
            }

            .ranking-item {
                grid-template-columns: 44px minmax(0, 1fr) auto;
                gap: 10px;
            }

            .ranking-item .rank-metric {
                display: none;
            }

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

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

            .update-date {
                grid-column: 1 / -1;
            }

            .search-bar {
                flex-direction: column;
            }

            .faq-aside {
                padding-right: 0;
            }

            .cta-panel {
                padding: 30px 22px;
            }

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

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

            .footer-brand {
                grid-column: auto;
            }

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

            .age-dialog {
                padding: 28px 22px;
            }

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

        @media (max-width: 430px) {
            .container {
                width: min(calc(100% - 24px), var(--container));
            }

            .brand-mark {
                width: 30px;
                height: 30px;
            }

            .brand-text {
                max-width: 116px;
                font-size: .76rem;
            }

            .nav-actions .btn-primary {
                display: none;
            }

            .hero {
                padding-top: 58px;
            }

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

            .hero-actions .btn:last-child {
                grid-column: auto;
            }

            .promo-sticker {
                width: 74px;
                height: 74px;
            }

            .ranking-item {
                padding-inline: 14px;
            }

            .rank-summary {
                max-width: 180px;
            }

            .feedback-meta {
                align-items: flex-start;
                flex-direction: column;
                gap: 7px;
            }

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

            .cta-panel {
                border-radius: var(--radius-md);
            }

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

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            *, *::before, *::after {
                animation-duration: .01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: .01ms !important;
            }
        }

/* roulang page: category1 */
:root {
  --bg: #151214;
  --bg-deep: #0f0d0e;
  --surface: #1c181a;
  --surface-2: #231d20;
  --surface-3: #2a2225;
  --primary: #72394d;
  --primary-strong: #914a61;
  --accent: #e0a35f;
  --accent-strong: #f0bb78;
  --text: #f4eee9;
  --text-soft: #c9bebb;
  --muted: #92878a;
  --line: rgba(225, 201, 190, .15);
  --line-strong: rgba(224, 163, 95, .38);
  --success: #7aa694;
  --warning: #d5a15d;
  --danger: #a9565b;
  --reported: #8f7378;
  --radius-xs: 4px;
  --radius-sm: 7px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow: 0 20px 55px rgba(0, 0, 0, .28);
  --shadow-small: 0 10px 24px rgba(0, 0, 0, .18);
  --container: 1240px;
  --header-height: 76px;
  --transition: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(rgba(255, 255, 255, .018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .014) 1px, transparent 1px),
    var(--bg);
  background-size: 36px 36px;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.78;
  text-rendering: optimizeLegibility;
}

body.menu-open,
body.age-open {
  overflow: hidden;
}

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

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

button {
  color: inherit;
}

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

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(224, 163, 95, .48);
  outline-offset: 3px;
}

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

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

h1,
h2,
h3 {
  line-height: 1.28;
  text-wrap: balance;
}

p {
  color: var(--text-soft);
}

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

.skip-link {
  position: fixed;
  z-index: 2000;
  top: 12px;
  left: 12px;
  padding: 10px 15px;
  color: #21160d;
  background: var(--accent-strong);
  border-radius: var(--radius-sm);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  min-height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: rgba(18, 15, 16, .92);
  backdrop-filter: blur(16px);
}

.nav-wrap {
  min-height: var(--header-height);
  display: grid;
  grid-template-columns: minmax(230px, 1fr) auto minmax(230px, 1fr);
  align-items: center;
  gap: 26px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
  font-weight: 900;
  line-height: 1.2;
}

.brand-mark {
  position: relative;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border: 1px solid var(--line-strong);
  background: var(--surface-2);
  border-radius: var(--radius-xs);
  box-shadow: inset 0 0 0 5px rgba(224, 163, 95, .035);
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  background: var(--accent);
}

.brand-mark::before {
  width: 14px;
  height: 2px;
  top: 10px;
  left: 9px;
  box-shadow: 0 6px 0 var(--primary-strong), 0 12px 0 var(--accent);
}

.brand-mark::after {
  width: 5px;
  height: 5px;
  right: -3px;
  top: -3px;
  border-radius: 50%;
}

.brand-text {
  max-width: 210px;
  font-size: .98rem;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}

.main-nav a {
  position: relative;
  padding: 10px 15px;
  color: var(--text-soft);
  border-radius: var(--radius-sm);
  font-size: .94rem;
  font-weight: 700;
}

.main-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, .035);
}

.main-nav a.active {
  color: var(--accent-strong);
  background: rgba(224, 163, 95, .08);
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  right: 15px;
  bottom: 5px;
  left: 15px;
  height: 2px;
  background: var(--accent);
}

.nav-actions {
  display: flex;
  justify-content: flex-end;
  gap: 9px;
}

.btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 800;
  line-height: 1.2;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  color: #24170e;
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 8px 22px rgba(224, 163, 95, .14);
}

.btn-primary:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  box-shadow: 0 12px 28px rgba(224, 163, 95, .22);
}

.btn-secondary {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, .025);
}

.btn-secondary:hover {
  border-color: var(--line-strong);
  background: var(--surface-3);
}

.btn-small {
  min-height: 40px;
  padding: 9px 14px;
  font-size: .9rem;
}

.btn[disabled],
.btn.disabled {
  cursor: not-allowed;
  opacity: .45;
  transform: none;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  cursor: pointer;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  padding-top: 24px;
  color: var(--muted);
  font-size: .88rem;
}

.breadcrumb a:hover {
  color: var(--accent-strong);
}

.breadcrumb span:not(:last-child) {
  color: #655c5f;
}

.category-hero {
  position: relative;
  padding: 34px 0 54px;
  overflow: hidden;
}

.category-hero::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 360px;
  right: -160px;
  top: -100px;
  background: radial-gradient(circle, rgba(114, 57, 77, .22), transparent 70%);
  pointer-events: none;
}

.hero-bento {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(260px, .75fr);
  grid-template-areas:
    "main status"
    "main guide"
    "cta cta";
  gap: 14px;
}

.hero-main,
.hero-status,
.hero-guide,
.hero-cta {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-small);
}

.hero-main {
  grid-area: main;
  min-height: 390px;
  padding: clamp(28px, 5vw, 58px);
  border-left: 3px solid var(--primary-strong);
  border-radius: var(--radius-md);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  color: var(--accent-strong);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .08em;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--accent);
}

.hero-main h1 {
  max-width: 820px;
  margin-bottom: 20px;
  font-size: clamp(2rem, 4.8vw, 4.35rem);
  letter-spacing: -.045em;
}

.hero-main p {
  max-width: 760px;
  margin-bottom: 26px;
  font-size: clamp(1rem, 1.4vw, 1.13rem);
}

.hero-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.badge,
.status-badge,
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 31px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  color: var(--text-soft);
  background: rgba(255, 255, 255, .025);
  font-size: .8rem;
  font-weight: 700;
}

.badge::before,
.status-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

.badge-age::before {
  background: var(--warning);
}

.hero-status {
  grid-area: status;
}

.hero-guide {
  grid-area: guide;
}

.hero-status,
.hero-guide {
  padding: 22px;
  border-radius: var(--radius-sm);
}

.panel-number {
  display: block;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: .76rem;
  letter-spacing: .12em;
}

.hero-status strong,
.hero-guide strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.signal {
  height: 6px;
  margin: 18px 0 10px;
  overflow: hidden;
  background: var(--bg-deep);
  border-radius: 9px;
}

.signal span {
  display: block;
  width: 78%;
  height: 100%;
  background: linear-gradient(90deg, var(--primary-strong), var(--accent));
}

.hero-status small,
.hero-guide small {
  color: var(--muted);
  line-height: 1.6;
}

.hero-cta {
  grid-area: cta;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, rgba(114, 57, 77, .24), var(--surface));
}

.hero-cta-copy strong {
  display: block;
  margin-bottom: 3px;
}

.hero-cta-copy span {
  color: var(--muted);
  font-size: .9rem;
}

.hero-cta-actions {
  display: flex;
  gap: 10px;
  flex: 0 0 auto;
}

.section {
  padding: 82px 0;
}

.section-alt {
  border-block: 1px solid var(--line);
  background: rgba(15, 13, 14, .55);
}

.section-heading {
  max-width: 790px;
  margin-bottom: 34px;
}

.section-heading .kicker {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: .79rem;
  font-weight: 900;
  letter-spacing: .11em;
}

.section-heading h2 {
  margin-bottom: 13px;
  font-size: clamp(1.65rem, 3vw, 2.65rem);
}

.section-heading p {
  margin-bottom: 0;
}

.problem-strip {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.15fr;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
}

.problem-item {
  position: relative;
  min-height: 170px;
  padding: 25px;
  border-right: 1px solid var(--line);
}

.problem-item:last-child {
  border-right: 0;
}

.problem-item::before {
  content: attr(data-index);
  display: block;
  margin-bottom: 24px;
  color: var(--primary-strong);
  font-size: .78rem;
  font-weight: 900;
}

.problem-item strong {
  display: block;
  margin-bottom: 7px;
  font-size: 1.04rem;
}

.problem-item p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.65;
}

.filter-shell {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.filter-top {
  display: grid;
  grid-template-columns: minmax(230px, 1.3fr) repeat(2, minmax(150px, .55fr)) auto;
  gap: 12px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}

.field {
  position: relative;
}

.field label {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 700;
}

.field input,
.field select,
.report-form input,
.report-form select,
.report-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 13px;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-deep);
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.field input::placeholder,
.report-form input::placeholder,
.report-form textarea::placeholder {
  color: #70676a;
}

.field input:hover,
.field select:hover,
.report-form input:hover,
.report-form select:hover,
.report-form textarea:hover {
  border-color: rgba(224, 163, 95, .28);
}

.field input:focus,
.field select:focus,
.report-form input:focus,
.report-form select:focus,
.report-form textarea:focus {
  border-color: var(--accent);
  background: #171315;
}

.clear-wrap {
  display: flex;
  align-items: flex-end;
}

.filter-bottom {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 13px 18px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.filter-label {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: .8rem;
}

.filter-chip {
  flex: 0 0 auto;
  cursor: pointer;
}

.filter-chip:hover,
.filter-chip.active {
  color: var(--accent-strong);
  border-color: var(--line-strong);
  background: rgba(224, 163, 95, .08);
}

.result-state {
  margin-left: auto;
  flex: 0 0 auto;
  color: var(--success);
  font-size: .82rem;
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(260px, .65fr);
  gap: 20px;
  margin-top: 24px;
}

.featured-entry {
  display: grid;
  grid-template-columns: minmax(250px, .85fr) minmax(0, 1.15fr);
  min-height: 330px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.featured-entry:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.cover {
  position: relative;
  min-height: 220px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(145, 74, 97, .36), transparent 58%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .025) 0 1px, transparent 1px 5px),
    #20191c;
}

.cover::before {
  content: "";
  position: absolute;
  width: 150px;
  height: 150px;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(224, 163, 95, .28);
  transform: translate(-50%, -50%) rotate(45deg);
}

.cover::after {
  content: "成熟内容 · 18+";
  position: absolute;
  left: 18px;
  bottom: 16px;
  padding: 6px 9px;
  color: var(--text-soft);
  border: 1px solid var(--line);
  background: rgba(15, 13, 14, .82);
  font-size: .74rem;
  font-weight: 800;
}

.entry-copy {
  padding: clamp(24px, 4vw, 40px);
}

.entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.entry-copy h3 {
  margin-bottom: 13px;
  font-size: clamp(1.35rem, 2.2vw, 2rem);
}

.entry-copy p {
  margin-bottom: 22px;
}

.entry-notice {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin: 20px 0 0;
  padding-top: 17px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .82rem;
}

.entry-notice::before {
  content: "18+";
  color: var(--warning);
  font-weight: 900;
}

.compact-list {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.compact-entry {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
  transition: background var(--transition);
}

.compact-entry:last-child {
  border-bottom: 0;
}

.compact-entry:hover {
  background: rgba(255, 255, 255, .025);
}

.compact-cover {
  height: 72px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  background:
    linear-gradient(120deg, rgba(114, 57, 77, .4), transparent),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .02) 0 1px, transparent 1px 4px),
    var(--surface-3);
}

.compact-entry h3 {
  margin-bottom: 4px;
  font-size: 1rem;
}

.compact-entry p {
  margin: 0;
  color: var(--muted);
  font-size: .84rem;
}

.entry-side {
  min-width: 90px;
  text-align: right;
}

.entry-side span {
  display: block;
  color: var(--success);
  font-size: .76rem;
}

.entry-side a {
  display: inline-block;
  margin-top: 7px;
  color: var(--accent-strong);
  font-size: .86rem;
  font-weight: 800;
}

.entry-side a:hover {
  transform: translateX(3px);
}

.side-panel {
  align-self: start;
  position: sticky;
  top: calc(var(--header-height) + 20px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  overflow: hidden;
}

.side-panel-header {
  padding: 20px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}

.side-panel-header h3 {
  margin-bottom: 5px;
  font-size: 1.08rem;
}

.side-panel-header p {
  margin: 0;
  color: var(--muted);
  font-size: .83rem;
}

.timeline {
  padding: 8px 20px 18px;
}

.timeline-item {
  position: relative;
  padding: 17px 0 17px 22px;
  border-bottom: 1px solid var(--line);
}

.timeline-item:last-child {
  border-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary-strong);
  box-shadow: 0 0 0 4px rgba(145, 74, 97, .12);
}

.timeline-item strong {
  display: block;
  font-size: .9rem;
}

.timeline-item span {
  color: var(--muted);
  font-size: .78rem;
}

.empty-state {
  display: none;
  margin-top: 20px;
  padding: 32px;
  text-align: center;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
}

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

.empty-state strong {
  display: block;
  margin-bottom: 6px;
}

.result-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 9px;
  margin-top: 24px;
}

.page-button {
  min-width: 44px;
  min-height: 44px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  color: var(--text-soft);
  background: var(--surface);
  cursor: pointer;
}

.page-button:hover,
.page-button.active {
  color: var(--accent-strong);
  border-color: var(--line-strong);
  background: rgba(224, 163, 95, .08);
}

.page-button:disabled {
  opacity: .4;
  cursor: not-allowed;
}

.steps {
  display: grid;
  grid-template-columns: 1fr 1.25fr .9fr;
  gap: 16px;
}

.step {
  position: relative;
  min-height: 220px;
  padding: 27px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.step:nth-child(2) {
  background: linear-gradient(145deg, rgba(114, 57, 77, .17), var(--surface));
}

.step-number {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 30px;
  margin-bottom: 32px;
  color: var(--accent);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xs);
  font-size: .8rem;
  font-weight: 900;
}

.step h3 {
  margin-bottom: 10px;
  font-size: 1.16rem;
}

.step p {
  margin: 0;
  font-size: .92rem;
}

.metrics-band {
  display: grid;
  grid-template-columns: 1.1fr repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  overflow: hidden;
}

.metric-intro,
.metric {
  min-height: 170px;
  padding: 25px;
}

.metric-intro {
  background: var(--primary);
}

.metric-intro strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.18rem;
}

.metric-intro p {
  margin: 0;
  color: #e3d5d8;
  font-size: .88rem;
}

.metric {
  border-left: 1px solid var(--line);
}

.metric-value {
  display: block;
  margin-bottom: 7px;
  color: var(--accent-strong);
  font-size: 2rem;
  font-weight: 900;
}

.metric-label {
  display: block;
  margin-bottom: 16px;
  color: var(--text-soft);
  font-size: .86rem;
}

.metric-bar {
  height: 5px;
  background: var(--bg-deep);
}

.metric-bar span {
  display: block;
  height: 100%;
  background: var(--success);
}

.testimonials {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 16px;
}

.feedback-log {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.feedback-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 26px;
}

.feedback-head span {
  color: var(--success);
  font-size: .78rem;
}

.wave {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 38px;
  margin-bottom: 20px;
}

.wave i {
  width: 4px;
  height: 14px;
  background: var(--primary-strong);
  border-radius: 4px;
}

.wave i:nth-child(2n) {
  height: 28px;
  background: var(--accent);
}

.wave i:nth-child(3n) {
  height: 20px;
}

.feedback-log blockquote {
  margin: 0 0 20px;
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.8;
}

.feedback-person {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  padding-top: 17px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .82rem;
}

.feedback-stack {
  display: grid;
  gap: 16px;
}

.feedback-small {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
}

.feedback-small p {
  margin-bottom: 14px;
  color: var(--text-soft);
  font-size: .91rem;
}

.feedback-small span {
  color: var(--muted);
  font-size: .78rem;
}

.faq-layout {
  display: grid;
  grid-template-columns: .68fr 1.32fr;
  gap: 42px;
}

.faq-aside {
  align-self: start;
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.faq-aside h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

.faq-aside p {
  margin-bottom: 22px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  position: relative;
  padding: 22px 52px 22px 0;
  cursor: pointer;
  list-style: none;
  color: var(--text);
  font-weight: 800;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 18px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  transition: transform var(--transition), background var(--transition);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
  background: rgba(224, 163, 95, .08);
}

.faq-answer {
  padding: 0 52px 22px 0;
}

.faq-answer p {
  margin: 0;
}

.report-panel {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 30px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.report-copy h2 {
  margin-bottom: 12px;
}

.report-copy ul {
  padding: 0;
  margin: 20px 0 0;
  list-style: none;
}

.report-copy li {
  position: relative;
  padding: 8px 0 8px 20px;
  color: var(--text-soft);
  font-size: .88rem;
}

.report-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 7px;
  height: 7px;
  background: var(--reported);
}

.report-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 13px;
}

.report-form .field-wide {
  grid-column: 1 / -1;
}

.report-form textarea {
  min-height: 112px;
  resize: vertical;
}

.form-note,
.form-message {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: .76rem;
}

.form-message {
  display: none;
  padding: 10px 12px;
  border: 1px solid rgba(122, 166, 148, .35);
  color: #b7d4c7;
  background: rgba(122, 166, 148, .08);
  border-radius: var(--radius-xs);
}

.form-message.show {
  display: block;
}

.cta-panel {
  position: relative;
  display: grid;
  grid-template-columns: 1.25fr auto;
  align-items: center;
  gap: 35px;
  padding: clamp(30px, 6vw, 62px);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(110deg, rgba(114, 57, 77, .42), transparent 58%),
    var(--surface-2);
  box-shadow: var(--shadow);
}

.cta-panel::after {
  content: "";
  position: absolute;
  width: 190px;
  height: 190px;
  right: -70px;
  top: -90px;
  border: 1px solid rgba(224, 163, 95, .18);
  transform: rotate(45deg);
}

.cta-copy {
  position: relative;
  z-index: 1;
}

.cta-copy h2 {
  margin-bottom: 12px;
  font-size: clamp(1.6rem, 3vw, 2.7rem);
}

.cta-copy p {
  max-width: 720px;
  margin-bottom: 0;
}

.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 10px;
}

.site-footer {
  margin-top: 82px;
  padding: 58px 0 24px;
  border-top: 1px solid var(--line);
  background: var(--bg-deep);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr .7fr .7fr;
  gap: 50px;
}

.footer-brand p {
  max-width: 590px;
  margin: 20px 0 18px;
  color: var(--muted);
  font-size: .9rem;
}

.footer-age {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid rgba(213, 161, 93, .28);
  border-radius: var(--radius-xs);
  color: var(--text-soft);
  font-size: .78rem;
}

.footer-age strong {
  color: var(--warning);
}

.footer-column h3 {
  margin-bottom: 16px;
  color: var(--text);
  font-size: .94rem;
}

.footer-links {
  display: grid;
  gap: 9px;
}

.footer-links a {
  width: fit-content;
  color: var(--muted);
  font-size: .87rem;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 42px;
  padding-top: 21px;
  border-top: 1px solid var(--line);
  color: #746b6e;
  font-size: .78rem;
}

.age-gate {
  position: fixed;
  z-index: 3000;
  inset: 0;
  display: none;
  place-items: center;
  padding: 20px;
  background: rgba(9, 7, 8, .9);
  backdrop-filter: blur(12px);
}

.age-gate.show {
  display: grid;
}

.age-card {
  width: min(100%, 560px);
  padding: clamp(26px, 5vw, 42px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.age-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  color: var(--warning);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xs);
  font-size: 1.15rem;
  font-weight: 900;
}

.age-card h2 {
  margin-bottom: 12px;
  font-size: 1.7rem;
}

.age-card p {
  margin-bottom: 20px;
}

.age-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 22px;
  color: var(--text-soft);
  font-size: .88rem;
}

.age-check input {
  width: 18px;
  height: 18px;
  margin-top: 5px;
  accent-color: var(--accent);
}

.age-actions {
  display: flex;
  gap: 10px;
}

.age-actions .btn {
  flex: 1;
}

.state-loading {
  position: relative;
  pointer-events: none;
  color: transparent !important;
}

.state-loading::after {
  content: "";
  position: absolute;
  width: 17px;
  height: 17px;
  border: 2px solid rgba(255, 255, 255, .3);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 1100px) {
  .nav-wrap {
    grid-template-columns: minmax(210px, 1fr) auto;
  }

  .main-nav {
    order: 3;
    grid-column: 1 / -1;
    padding-bottom: 10px;
  }

  .problem-strip,
  .metrics-band {
    grid-template-columns: 1fr 1fr;
  }

  .problem-item:nth-child(2) {
    border-right: 0;
  }

  .problem-item:nth-child(-n+2) {
    border-bottom: 1px solid var(--line);
  }

  .metric:nth-child(3) {
    border-left: 0;
  }

  .metric-intro,
  .metric {
    border-bottom: 1px solid var(--line);
  }

  .filter-top {
    grid-template-columns: 1fr 1fr;
  }

  .clear-wrap .btn {
    width: 100%;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 68px;
  }

  .container {
    width: min(calc(100% - 30px), var(--container));
  }

  .nav-wrap {
    min-height: var(--header-height);
    grid-template-columns: 1fr auto auto;
    gap: 10px;
  }

  .brand-text {
    max-width: 175px;
    font-size: .88rem;
  }

  .menu-toggle {
    display: block;
    order: 3;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: none;
    padding: 16px;
    border-bottom: 1px solid var(--line);
    background: rgba(18, 15, 16, .98);
    box-shadow: var(--shadow);
  }

  .menu-open .main-nav {
    display: grid;
  }

  .main-nav a {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-actions .btn-secondary {
    display: none;
  }

  .nav-actions .btn-primary {
    min-height: 42px;
    padding: 9px 12px;
    font-size: .82rem;
  }

  .hero-bento {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "main main"
      "status guide"
      "cta cta";
  }

  .hero-main {
    min-height: auto;
  }

  .hero-cta {
    align-items: flex-start;
    flex-direction: column;
  }

  .content-layout,
  .faq-layout,
  .report-panel {
    grid-template-columns: 1fr;
  }

  .side-panel,
  .faq-aside {
    position: static;
  }

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

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

  .steps .step:last-child {
    grid-column: 1 / -1;
  }

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

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

  .footer-grid {
    grid-template-columns: 1.4fr .8fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  .section {
    padding: 60px 0;
  }

  .category-hero {
    padding-bottom: 42px;
  }

  .hero-bento {
    grid-template-columns: 1fr;
    grid-template-areas:
      "main"
      "status"
      "guide"
      "cta";
  }

  .hero-main {
    padding: 27px 22px;
  }

  .hero-main h1 {
    font-size: clamp(1.9rem, 10vw, 3rem);
  }

  .hero-cta-actions,
  .cta-actions,
  .age-actions {
    width: 100%;
    flex-direction: column;
  }

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

  .problem-strip,
  .metrics-band,
  .steps {
    grid-template-columns: 1fr;
  }

  .problem-item,
  .problem-item:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .problem-item:last-child {
    border-bottom: 0;
  }

  .steps .step:last-child {
    grid-column: auto;
  }

  .metric,
  .metric:nth-child(3) {
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric:last-child {
    border-bottom: 0;
  }

  .filter-top {
    grid-template-columns: 1fr;
  }

  .compact-entry {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 13px;
  }

  .entry-side {
    grid-column: 2;
    text-align: left;
  }

  .entry-side span,
  .entry-side a {
    display: inline-block;
    margin: 0 10px 0 0;
  }

  .report-panel {
    padding: 23px;
  }

  .report-form {
    grid-template-columns: 1fr;
  }

  .report-form .field-wide {
    grid-column: auto;
  }

  .cta-panel {
    padding: 28px 22px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (max-width: 460px) {
  body {
    background-size: 52px 52px;
  }

  .container {
    width: min(calc(100% - 22px), var(--container));
  }

  .brand-mark {
    width: 30px;
    height: 30px;
  }

  .brand-text {
    max-width: 128px;
    font-size: .78rem;
  }

  .nav-actions .btn-primary {
    padding-inline: 9px;
  }

  .hero-main,
  .hero-status,
  .hero-guide {
    padding: 21px;
  }

  .hero-cta {
    padding: 18px;
  }

  .featured-entry .entry-copy {
    padding: 22px;
  }

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

  .compact-cover {
    height: 120px;
  }

  .entry-side {
    grid-column: auto;
  }

  .feedback-person {
    flex-direction: column;
  }

  .faq-answer {
    padding-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}