/* roulang page: index */
:root {
            --page: #f2eee8;
            --surface: #fffdf9;
            --surface-soft: #e9e1d8;
            --ink: #211d1e;
            --muted: #706869;
            --line: #d8ceca;
            --accent: #8b3049;
            --accent-deep: #652036;
            --accent-soft: #f2dfe4;
            --secondary: #b36d42;
            --hover: #76253d;
            --success: #2f7358;
            --warning: #a56622;
            --danger: #a2383e;
            --dark: #1d191a;
            --dark-soft: #292324;
            --white: #ffffff;
            --radius-sm: 10px;
            --radius: 18px;
            --radius-lg: 28px;
            --button-radius: 12px;
            --container: 1240px;
            --shadow: 0 18px 50px rgba(50, 34, 38, .09);
            --shadow-hover: 0 24px 58px rgba(71, 35, 45, .15);
            --space-section: clamp(72px, 9vw, 126px);
            --duration: 220ms;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            color: var(--ink);
            background:
                radial-gradient(circle at 10% 10%, rgba(139, 48, 73, .045), transparent 24%),
                linear-gradient(rgba(33, 29, 30, .018) 1px, transparent 1px),
                var(--page);
            background-size: auto, 100% 34px, auto;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        body.menu-open {
            overflow: hidden;
        }

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

        h1, h2, h3 {
            line-height: 1.16;
            letter-spacing: -.035em;
        }

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

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

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

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

        button {
            border: 0;
        }

        :focus-visible {
            outline: 3px solid rgba(139, 48, 73, .32);
            outline-offset: 3px;
        }

        ::selection {
            color: var(--white);
            background: var(--accent);
        }

        .container {
            width: min(calc(100% - 48px), var(--container));
            margin-inline: auto;
        }

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

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
            color: var(--accent);
            font-size: 13px;
            font-weight: 800;
            letter-spacing: .12em;
        }

        .section-kicker::before {
            width: 28px;
            height: 2px;
            background: currentColor;
            content: "";
        }

        .section-head {
            display: grid;
            grid-template-columns: minmax(0, .9fr) minmax(300px, .62fr);
            gap: 60px;
            align-items: end;
            margin-bottom: 42px;
        }

        .section-head h2 {
            max-width: 760px;
            margin-bottom: 0;
            font-size: clamp(34px, 4.4vw, 64px);
            font-weight: 850;
        }

        .section-head p {
            margin-bottom: 4px;
            color: var(--muted);
            font-size: 16px;
        }

        .btn {
            min-height: 48px;
            padding: 12px 20px;
            border: 1px solid transparent;
            border-radius: var(--button-radius);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            cursor: pointer;
            font-weight: 750;
            line-height: 1.2;
            transition: transform var(--duration), background var(--duration), border-color var(--duration), color var(--duration), box-shadow var(--duration);
        }

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

        .btn:active {
            transform: translateY(0) scale(.98);
        }

        .btn-primary {
            color: var(--white);
            background: var(--accent);
            box-shadow: 0 10px 24px rgba(139, 48, 73, .22);
        }

        .btn-primary:hover {
            background: var(--hover);
            box-shadow: 0 14px 30px rgba(139, 48, 73, .28);
        }

        .btn-secondary {
            color: var(--ink);
            background: rgba(255, 253, 249, .72);
            border-color: var(--line);
        }

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

        .btn-light {
            color: var(--dark);
            background: var(--surface);
        }

        .btn-light:hover {
            background: var(--accent-soft);
        }

        .btn[disabled] {
            cursor: not-allowed;
            opacity: .52;
            transform: none;
            box-shadow: none;
        }

        .tag {
            min-height: 28px;
            padding: 4px 10px;
            border: 1px solid var(--line);
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            color: var(--muted);
            background: rgba(255,255,255,.55);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: .02em;
        }

        .site-header {
            height: 78px;
            position: sticky;
            z-index: 50;
            top: 0;
            display: flex;
            align-items: center;
            background: rgba(242, 238, 232, .92);
            border-bottom: 1px solid rgba(105, 88, 89, .15);
            backdrop-filter: blur(16px);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }

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

        .logo-mark {
            width: 42px;
            height: 42px;
            border-radius: 13px;
            display: grid;
            place-items: center;
            color: var(--white);
            background: var(--dark);
            box-shadow: inset 0 -4px 0 var(--accent);
            font-size: 13px;
            font-weight: 900;
            letter-spacing: -.08em;
        }

        .logo-copy {
            display: flex;
            flex-direction: column;
            line-height: 1.16;
        }

        .logo-copy strong {
            max-width: 380px;
            overflow: hidden;
            font-size: 17px;
            font-weight: 850;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .logo-copy small {
            margin-top: 4px;
            color: var(--muted);
            font-size: 10px;
            letter-spacing: .16em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .main-nav a {
            min-height: 44px;
            padding: 0 16px;
            position: relative;
            display: inline-flex;
            align-items: center;
            border-radius: 10px;
            color: var(--muted);
            font-size: 14px;
            font-weight: 750;
            transition: color var(--duration), background var(--duration);
        }

        .main-nav a::after {
            width: 0;
            height: 3px;
            position: absolute;
            right: 16px;
            bottom: 5px;
            left: 16px;
            border-radius: 4px;
            background: var(--accent);
            content: "";
            transition: width var(--duration);
        }

        .main-nav a:hover {
            color: var(--ink);
            background: rgba(255, 255, 255, .55);
        }

        .main-nav a.active {
            color: var(--ink);
            background: var(--surface);
        }

        .main-nav a.active::after {
            width: calc(100% - 32px);
        }

        .menu-toggle {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            display: none;
            cursor: pointer;
            background: var(--dark);
        }

        .menu-toggle span {
            width: 20px;
            height: 2px;
            margin: 4px auto;
            display: block;
            background: var(--white);
            transition: transform var(--duration), opacity var(--duration);
        }

        .menu-toggle.active span:first-child {
            transform: translateY(6px) rotate(45deg);
        }

        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.active span:last-child {
            transform: translateY(-6px) rotate(-45deg);
        }

        .hero {
            min-height: 610px;
            padding: 72px 0 58px;
            position: relative;
            display: flex;
            align-items: center;
            overflow: hidden;
            border-bottom: 1px solid var(--line);
        }

        .hero::before {
            width: min(55vw, 760px);
            aspect-ratio: 1;
            position: absolute;
            z-index: -1;
            top: -40%;
            right: -10%;
            border: 1px solid rgba(139, 48, 73, .14);
            border-radius: 50%;
            box-shadow: 0 0 0 80px rgba(139, 48, 73, .025), 0 0 0 160px rgba(139, 48, 73, .018);
            content: "";
        }

        .hero-stage {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 410px;
            gap: 54px;
            align-items: end;
        }

        .hero-index {
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 14px;
            color: var(--accent);
            font-size: 13px;
            font-weight: 850;
        }

        .hero-index span {
            padding: 4px 9px;
            color: var(--surface);
            background: var(--accent);
            border-radius: 6px;
        }

        .hero h1 {
            max-width: 900px;
            margin-bottom: 26px;
            font-size: clamp(44px, 7.1vw, 92px);
            font-weight: 900;
            letter-spacing: -.065em;
        }

        .hero h1 em {
            color: var(--accent);
            font-style: normal;
        }

        .hero-intro {
            max-width: 820px;
            margin-bottom: 30px;
            color: var(--muted);
            font-size: clamp(16px, 1.5vw, 19px);
            line-height: 1.9;
        }

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

        .search-stage {
            padding: 18px;
            border: 1px solid rgba(216, 206, 202, .9);
            border-radius: var(--radius-lg);
            background: rgba(255, 253, 249, .8);
            box-shadow: var(--shadow);
        }

        .search-stage-head {
            padding: 4px 4px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--muted);
            font-size: 12px;
            font-weight: 750;
        }

        .status-dot {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .status-dot::before {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            box-shadow: 0 0 0 5px rgba(47, 115, 88, .1);
            content: "";
        }

        .quick-search {
            padding: 10px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 8px;
            border: 1px solid var(--line);
            border-radius: 15px;
            background: var(--surface);
        }

        .quick-search input {
            min-width: 0;
            height: 44px;
            padding: 0 10px;
            border: 0;
            outline: 0;
            background: transparent;
        }

        .quick-search button {
            width: 46px;
            height: 44px;
            border-radius: 10px;
            cursor: pointer;
            color: var(--white);
            background: var(--accent);
            font-size: 18px;
            transition: background var(--duration), transform var(--duration);
        }

        .quick-search button:hover {
            background: var(--hover);
            transform: translateX(2px);
        }

        .search-hints {
            padding: 15px 4px 2px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .search-feedback {
            min-height: 26px;
            padding: 11px 4px 0;
            color: var(--muted);
            font-size: 12px;
        }

        .hero-note {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid var(--line);
            display: flex;
            flex-wrap: wrap;
            gap: 12px 26px;
            color: var(--muted);
            font-size: 12px;
        }

        .hero-note span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-note span::before {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--accent);
            content: "";
        }

        .kpi-section {
            padding: 42px 0 52px;
            background: var(--dark);
            color: var(--white);
        }

        .kpi-intro {
            margin-bottom: 26px;
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 34px;
        }

        .kpi-intro h2 {
            margin: 0;
            font-size: clamp(27px, 3.2vw, 44px);
        }

        .kpi-intro p {
            max-width: 570px;
            margin: 0;
            color: #bdb2b4;
            font-size: 14px;
        }

        .kpi-strip {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 1.25fr;
            border-top: 1px solid rgba(255,255,255,.15);
            border-bottom: 1px solid rgba(255,255,255,.15);
        }

        .kpi-item {
            min-height: 154px;
            padding: 26px 28px;
            position: relative;
            border-right: 1px solid rgba(255,255,255,.15);
        }

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

        .kpi-no {
            color: #83787a;
            font-size: 11px;
            font-weight: 800;
            letter-spacing: .12em;
        }

        .kpi-value {
            margin: 13px 0 6px;
            display: block;
            color: #f8e9ed;
            font-size: clamp(25px, 3vw, 42px);
            font-weight: 850;
            line-height: 1;
        }

        .kpi-label {
            color: #bdb2b4;
            font-size: 13px;
        }

        .news-section {
            background: var(--surface);
        }

        .news-layout {
            display: grid;
            grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
            gap: 28px;
        }

        .news-list {
            border-top: 2px solid var(--ink);
        }

        .news-row {
            min-height: 108px;
            padding: 23px 6px;
            display: grid;
            grid-template-columns: 92px minmax(0, 1fr) 80px;
            gap: 20px;
            align-items: center;
            border-bottom: 1px solid var(--line);
            transition: padding var(--duration), background var(--duration);
        }

        .news-row:hover {
            padding-right: 14px;
            padding-left: 14px;
            background: var(--page);
        }

        .news-row time {
            color: var(--muted);
            font-size: 12px;
            font-weight: 700;
        }

        .news-row h3 {
            margin: 0 0 6px;
            font-size: 18px;
        }

        .news-row p {
            margin: 0;
            color: var(--muted);
            font-size: 13px;
        }

        .news-arrow {
            color: var(--accent);
            font-size: 20px;
            text-align: right;
            transition: transform var(--duration);
        }

        .news-row:hover .news-arrow {
            transform: translateX(6px);
        }

        .trend-panel {
            padding: 26px;
            border-radius: var(--radius);
            color: var(--white);
            background: var(--dark);
            box-shadow: var(--shadow);
        }

        .trend-panel h3 {
            margin-bottom: 8px;
            font-size: 23px;
        }

        .trend-panel > p {
            margin-bottom: 22px;
            color: #bdb2b4;
            font-size: 13px;
        }

        .trend-list {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .trend-list li {
            padding: 15px 0;
            display: grid;
            grid-template-columns: 34px 1fr auto;
            gap: 12px;
            align-items: center;
            border-top: 1px solid rgba(255,255,255,.12);
        }

        .trend-rank {
            color: #d7aebb;
            font-size: 18px;
            font-weight: 850;
        }

        .trend-name {
            font-size: 14px;
            font-weight: 700;
        }

        .trend-state {
            color: #bdb2b4;
            font-size: 11px;
        }

        .matrix-section {
            background: var(--page);
        }

        .matrix-grid {
            display: grid;
            grid-template-columns: 1.35fr .65fr;
            grid-template-rows: repeat(2, minmax(220px, auto));
            gap: 20px;
        }

        .catalog-card {
            padding: 30px;
            position: relative;
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            background: var(--surface);
            box-shadow: 0 8px 30px rgba(48, 34, 37, .04);
            transition: transform var(--duration), border-color var(--duration), box-shadow var(--duration);
        }

        .catalog-card:hover {
            transform: translateY(-5px);
            border-color: rgba(139,48,73,.5);
            box-shadow: var(--shadow-hover);
        }

        .catalog-card.featured {
            grid-row: 1 / 3;
            min-height: 520px;
            padding: 38px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            color: var(--white);
            background: var(--accent);
            border-color: transparent;
        }

        .catalog-card.featured::after {
            width: 310px;
            height: 310px;
            position: absolute;
            right: -90px;
            bottom: -75px;
            border: 42px solid rgba(255,255,255,.08);
            border-radius: 50%;
            content: "";
            transition: transform 600ms ease;
        }

        .catalog-card.featured:hover::after {
            transform: scale(1.08) rotate(12deg);
        }

        .card-number {
            color: var(--accent);
            font-size: 12px;
            font-weight: 850;
            letter-spacing: .15em;
        }

        .featured .card-number {
            color: #f3ced8;
        }

        .card-visual {
            height: 140px;
            margin: 24px 0;
            position: relative;
            overflow: hidden;
            border-radius: 16px;
            background:
                linear-gradient(110deg, rgba(255,255,255,.16) 0 34%, transparent 34% 38%, rgba(255,255,255,.08) 38% 66%, transparent 66% 70%, rgba(255,255,255,.12) 70%),
                var(--dark-soft);
        }

        .featured .card-visual {
            height: 220px;
            background:
                linear-gradient(135deg, transparent 0 40%, rgba(255,255,255,.13) 40% 61%, transparent 61%),
                linear-gradient(25deg, #36121d, #70223a);
        }

        .card-visual::before,
        .card-visual::after {
            position: absolute;
            border: 1px solid rgba(255,255,255,.25);
            border-radius: 50%;
            content: "";
        }

        .card-visual::before {
            width: 100px;
            height: 100px;
            top: 20px;
            left: 28px;
        }

        .card-visual::after {
            width: 170px;
            height: 170px;
            right: -30px;
            bottom: -80px;
        }

        .catalog-card h3 {
            margin-bottom: 12px;
            font-size: clamp(25px, 3vw, 40px);
        }

        .catalog-card:not(.featured) h3 {
            font-size: 25px;
        }

        .catalog-card p {
            max-width: 600px;
            margin-bottom: 20px;
            color: var(--muted);
        }

        .featured p {
            color: #f3dfe5;
        }

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

        .featured .tag {
            color: var(--white);
            border-color: rgba(255,255,255,.3);
            background: rgba(255,255,255,.08);
        }

        .card-link {
            margin-top: 24px;
            position: relative;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 9px;
            color: var(--accent);
            font-weight: 800;
        }

        .featured .card-link {
            color: var(--white);
        }

        .card-link span {
            transition: transform var(--duration);
        }

        .card-link:hover span {
            transform: translateX(5px);
        }

        .compare-section {
            color: var(--white);
            background: var(--dark);
        }

        .compare-section .section-kicker {
            color: #d9a9b7;
        }

        .compare-section .section-head p {
            color: #bdb2b4;
        }

        .compare-board {
            display: grid;
            grid-template-columns: 210px repeat(2, minmax(0, 1fr));
            overflow: hidden;
            border: 1px solid rgba(255,255,255,.15);
            border-radius: var(--radius-lg);
        }

        .compare-labels,
        .compare-track {
            display: grid;
            grid-template-rows: 74px repeat(4, 82px);
        }

        .compare-labels {
            color: #a99fa1;
            background: #181415;
        }

        .compare-labels div,
        .compare-track > div {
            padding: 18px 22px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255,255,255,.1);
        }

        .compare-labels div:last-child,
        .compare-track > div:last-child {
            border-bottom: 0;
        }

        .compare-labels div:first-child {
            color: #ded5d7;
            font-weight: 800;
        }

        .compare-track {
            border-left: 1px solid rgba(255,255,255,.1);
        }

        .compare-track.highlight {
            background: var(--accent);
        }

        .compare-title {
            font-size: 17px;
            font-weight: 850;
        }

        .compare-track > div:not(:first-child) {
            gap: 10px;
            color: #c6bbbd;
            font-size: 14px;
        }

        .compare-track.highlight > div:not(:first-child) {
            color: #f8e9ed;
        }

        .check {
            width: 22px;
            height: 22px;
            flex: 0 0 22px;
            border-radius: 50%;
            display: grid;
            place-items: center;
            color: var(--success);
            background: rgba(255,255,255,.9);
            font-size: 12px;
            font-weight: 900;
        }

        .device-band {
            margin-top: 24px;
            padding: 24px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 22px;
            border: 1px solid rgba(255,255,255,.12);
            border-radius: var(--radius);
            background: var(--dark-soft);
        }

        .device-band strong {
            display: block;
            margin-bottom: 4px;
            font-size: 18px;
        }

        .device-band p {
            margin: 0;
            color: #bdb2b4;
            font-size: 13px;
        }

        .device-icons {
            display: flex;
            gap: 9px;
        }

        .device-icons span {
            min-width: 58px;
            padding: 8px 10px;
            border: 1px solid rgba(255,255,255,.15);
            border-radius: 9px;
            color: #ddd2d4;
            font-size: 12px;
            text-align: center;
        }

        .timeline-section {
            background: var(--surface);
        }

        .timeline {
            position: relative;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
        }

        .timeline::before {
            height: 1px;
            position: absolute;
            top: 27px;
            right: 8%;
            left: 8%;
            background: var(--line);
            content: "";
        }

        .timeline-item {
            padding: 0 25px;
            position: relative;
        }

        .timeline-dot {
            width: 54px;
            height: 54px;
            margin-bottom: 24px;
            position: relative;
            z-index: 2;
            border: 8px solid var(--surface);
            border-radius: 50%;
            display: grid;
            place-items: center;
            color: var(--white);
            background: var(--accent);
            font-size: 12px;
            font-weight: 850;
            box-shadow: 0 0 0 1px var(--line);
        }

        .timeline-item h3 {
            margin-bottom: 10px;
            font-size: 19px;
        }

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

        .faq-section {
            background: var(--page);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 340px minmax(0, 1fr);
            gap: 64px;
            align-items: start;
        }

        .faq-aside {
            position: sticky;
            top: 112px;
        }

        .faq-aside h2 {
            margin-bottom: 18px;
            font-size: clamp(38px, 5vw, 66px);
        }

        .faq-aside p {
            color: var(--muted);
        }

        .faq-list {
            border-top: 2px solid var(--ink);
        }

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

        .faq-question {
            width: 100%;
            min-height: 86px;
            padding: 20px 6px;
            display: grid;
            grid-template-columns: 45px 1fr 32px;
            gap: 12px;
            align-items: center;
            cursor: pointer;
            text-align: left;
            background: transparent;
            font-weight: 800;
            transition: color var(--duration), padding var(--duration);
        }

        .faq-question:hover {
            padding-left: 14px;
            color: var(--accent);
        }

        .faq-no {
            color: var(--accent);
            font-size: 12px;
            letter-spacing: .1em;
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border: 1px solid var(--line);
            border-radius: 50%;
            display: grid;
            place-items: center;
            font-size: 17px;
            transition: transform var(--duration), background var(--duration), color var(--duration);
        }

        .faq-question[aria-expanded="true"] .faq-icon {
            color: var(--white);
            background: var(--accent);
            border-color: var(--accent);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            opacity: 0;
            transition: max-height 350ms ease, opacity var(--duration);
        }

        .faq-answer p {
            margin: 0;
            padding: 0 50px 24px 63px;
            color: var(--muted);
            font-size: 14px;
        }

        .faq-item.open .faq-answer {
            max-height: 220px;
            opacity: 1;
        }

        .form-section {
            background: var(--surface);
        }

        .feedback-panel {
            overflow: hidden;
            display: grid;
            grid-template-columns: .78fr 1.22fr;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            background: var(--page);
            box-shadow: var(--shadow);
        }

        .feedback-copy {
            padding: clamp(34px, 5vw, 64px);
            color: var(--white);
            background: var(--accent);
        }

        .feedback-copy .section-kicker {
            color: #f0c9d4;
        }

        .feedback-copy h2 {
            margin-bottom: 22px;
            font-size: clamp(34px, 4vw, 58px);
        }

        .feedback-copy p {
            color: #f1dce2;
        }

        .feedback-points {
            margin: 32px 0 0;
            padding: 0;
            list-style: none;
        }

        .feedback-points li {
            padding: 13px 0;
            display: flex;
            gap: 12px;
            border-top: 1px solid rgba(255,255,255,.2);
            font-size: 13px;
        }

        .feedback-points b {
            color: #f4c8d4;
        }

        .feedback-form {
            padding: clamp(32px, 5vw, 62px);
            background: var(--surface);
        }

        .form-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 20px;
        }

        .field {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .field.full {
            grid-column: 1 / -1;
        }

        .field label {
            font-size: 13px;
            font-weight: 800;
        }

        .required {
            color: var(--danger);
        }

        .field input,
        .field select,
        .field textarea {
            width: 100%;
            min-height: 50px;
            padding: 12px 14px;
            border: 1px solid var(--line);
            border-radius: 11px;
            outline: 0;
            background: var(--page);
            transition: border-color var(--duration), box-shadow var(--duration), background var(--duration);
        }

        .field textarea {
            min-height: 116px;
            resize: vertical;
        }

        .field input:hover,
        .field select:hover,
        .field textarea:hover {
            border-color: #b5a7a6;
        }

        .field input:focus,
        .field select:focus,
        .field textarea:focus {
            border-color: var(--accent);
            background: var(--surface);
            box-shadow: 0 0 0 4px rgba(139,48,73,.1);
        }

        .field.error input {
            border-color: var(--danger);
            box-shadow: 0 0 0 3px rgba(162,56,62,.08);
        }

        .field-error {
            display: none;
            color: var(--danger);
            font-size: 12px;
        }

        .field.error .field-error {
            display: block;
        }

        .consent {
            margin: 20px 0;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--muted);
            font-size: 12px;
        }

        .consent input {
            width: 18px;
            height: 18px;
            margin-top: 3px;
            accent-color: var(--accent);
        }

        .form-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .form-status {
            margin: 0;
            color: var(--muted);
            font-size: 13px;
        }

        .form-status.success {
            color: var(--success);
            font-weight: 700;
        }

        .form-status.error {
            color: var(--danger);
            font-weight: 700;
        }

        .site-footer {
            padding: 64px 0 24px;
            color: #d8cdcf;
            background: var(--dark);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.35fr .65fr .8fr;
            gap: 70px;
        }

        .footer-brand h2 {
            max-width: 540px;
            margin-bottom: 15px;
            color: var(--white);
            font-size: clamp(24px, 3vw, 38px);
        }

        .footer-brand p {
            max-width: 580px;
            color: #a99fa1;
            font-size: 13px;
        }

        .footer-title {
            margin-bottom: 16px;
            color: var(--white);
            font-size: 13px;
            font-weight: 850;
            letter-spacing: .08em;
        }

        .footer-links {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .footer-links li + li {
            margin-top: 9px;
        }

        .footer-links a {
            color: #afa4a6;
            font-size: 13px;
            transition: color var(--duration), padding var(--duration);
        }

        .footer-links a:hover {
            padding-left: 5px;
            color: var(--white);
        }

        .footer-notice {
            padding: 14px;
            border: 1px solid rgba(255,255,255,.13);
            border-radius: 12px;
            color: #bdb2b4;
            font-size: 12px;
        }

        .footer-bottom {
            margin-top: 48px;
            padding-top: 22px;
            display: flex;
            justify-content: space-between;
            gap: 20px;
            border-top: 1px solid rgba(255,255,255,.12);
            color: #857b7d;
            font-size: 11px;
        }

        .reveal {
            animation: reveal .65s both;
        }

        @keyframes reveal {
            from {
                opacity: 0;
                transform: translateY(18px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 1024px) {
            .hero-stage {
                grid-template-columns: minmax(0, 1fr) 340px;
                gap: 34px;
            }

            .logo-copy strong {
                max-width: 280px;
            }

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

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

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

            .kpi-item:nth-child(-n+2) {
                border-bottom: 1px solid rgba(255,255,255,.15);
            }

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

            .faq-aside {
                position: static;
            }

            .timeline-item {
                padding: 0 14px;
            }

            .feedback-panel {
                grid-template-columns: .85fr 1.15fr;
            }

            .footer-grid {
                gap: 40px;
            }
        }

        @media (max-width: 767px) {
            .container {
                width: min(calc(100% - 32px), var(--container));
            }

            .site-header {
                height: 68px;
            }

            .logo-mark {
                width: 38px;
                height: 38px;
            }

            .logo-copy strong {
                max-width: 205px;
                font-size: 14px;
            }

            .logo-copy small {
                display: none;
            }

            .menu-toggle {
                display: block;
                flex: 0 0 46px;
            }

            .main-nav {
                padding: 16px;
                position: fixed;
                top: 68px;
                right: 0;
                left: 0;
                display: grid;
                gap: 7px;
                visibility: hidden;
                background: var(--surface);
                border-bottom: 1px solid var(--line);
                box-shadow: var(--shadow);
                opacity: 0;
                transform: translateY(-12px);
                transition: opacity var(--duration), transform var(--duration), visibility var(--duration);
            }

            .main-nav.open {
                visibility: visible;
                opacity: 1;
                transform: translateY(0);
            }

            .main-nav a {
                min-height: 50px;
                padding: 0 15px;
                border: 1px solid transparent;
            }

            .main-nav a.active {
                border-color: var(--line);
            }

            .hero {
                min-height: auto;
                padding: 56px 0 44px;
            }

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

            .hero h1 {
                font-size: clamp(39px, 12.7vw, 62px);
                letter-spacing: -.06em;
            }

            .hero-actions .btn {
                flex: 1 1 170px;
            }

            .search-stage {
                padding: 14px;
            }

            .section {
                padding: 72px 0;
            }

            .section-head {
                grid-template-columns: 1fr;
                gap: 18px;
                margin-bottom: 30px;
            }

            .section-head h2 {
                font-size: 38px;
            }

            .kpi-intro {
                align-items: flex-start;
                flex-direction: column;
                gap: 12px;
            }

            .kpi-strip {
                overflow-x: auto;
                grid-template-columns: repeat(4, minmax(180px, 1fr));
                scroll-snap-type: x mandatory;
            }

            .kpi-item {
                min-height: 138px;
                border-right: 1px solid rgba(255,255,255,.15) !important;
                border-bottom: 0 !important;
                scroll-snap-align: start;
            }

            .news-row {
                min-height: 128px;
                grid-template-columns: 1fr 34px;
                gap: 9px 12px;
            }

            .news-row time {
                grid-column: 1 / -1;
            }

            .news-arrow {
                grid-column: 2;
                grid-row: 2;
            }

            .matrix-grid {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
            }

            .catalog-card.featured {
                min-height: 480px;
                grid-row: auto;
            }

            .compare-board {
                overflow-x: auto;
                grid-template-columns: 145px repeat(2, minmax(250px, 1fr));
            }

            .compare-labels,
            .compare-track {
                grid-template-rows: 74px repeat(4, 96px);
            }

            .compare-labels div,
            .compare-track > div {
                padding: 14px;
            }

            .device-band {
                align-items: flex-start;
                flex-direction: column;
            }

            .timeline {
                grid-template-columns: 1fr;
                gap: 26px;
            }

            .timeline::before {
                width: 1px;
                height: calc(100% - 70px);
                top: 30px;
                bottom: auto;
                left: 27px;
            }

            .timeline-item {
                min-height: 90px;
                padding: 0 0 0 78px;
            }

            .timeline-dot {
                position: absolute;
                top: 0;
                left: 0;
            }

            .faq-question {
                grid-template-columns: 34px 1fr 28px;
                min-height: 78px;
                padding-block: 16px;
            }

            .faq-answer p {
                padding: 0 38px 22px 46px;
            }

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

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

            .field.full {
                grid-column: auto;
            }

            .form-actions {
                align-items: stretch;
                flex-direction: column;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 34px;
            }

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

        @media (max-width: 520px) {
            .logo-copy strong {
                max-width: 178px;
            }

            .hero-intro {
                font-size: 15px;
            }

            .quick-search {
                grid-template-columns: minmax(0, 1fr) 46px;
            }

            .catalog-card,
            .catalog-card.featured {
                padding: 24px;
            }

            .device-icons {
                width: 100%;
                display: grid;
                grid-template-columns: repeat(3, 1fr);
            }

            .device-icons span {
                min-width: 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;
            }
        }

/* roulang page: category1 */
:root{
      --page:#f2eee8;--surface:#fffdf9;--surface-soft:#e9e1d8;--ink:#211d1e;
      --muted:#706869;--line:#d8ceca;--accent:#8b3049;--accent-deep:#652036;
      --accent-soft:#f2dfe4;--secondary:#b36d42;--hover:#76253d;--success:#2f7358;
      --warning:#a56622;--danger:#a2383e;--dark:#1d191a;--dark-soft:#292324;
      --white:#fff;--radius-sm:10px;--radius:18px;--radius-lg:28px;--button-radius:12px;
      --container:1240px;--shadow:0 18px 50px rgba(50,34,38,.09);
      --shadow-hover:0 24px 58px rgba(71,35,45,.15);--duration:220ms;
      --space-section:clamp(72px,9vw,126px)
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:radial-gradient(circle at 10% 10%,rgba(139,48,73,.045),transparent 24%),linear-gradient(rgba(33,29,30,.018) 1px,transparent 1px),var(--page);background-size:auto,100% 34px,auto;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
    body.menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,select{font:inherit;color:inherit}
    button,a{-webkit-tap-highlight-color:transparent}
    button{border:0}
    .container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
    .section{padding:var(--space-section) 0}
    .section-kicker{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.12em}
    .section-kicker::before{content:"";width:28px;height:2px;background:currentColor}
    h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.15;letter-spacing:-.045em}
    h1{font-size:clamp(42px,6.7vw,88px);max-width:840px;margin-bottom:24px;font-weight:900}
    h2{font-size:clamp(34px,4vw,58px);margin-bottom:16px;font-weight:850}
    h3{font-size:21px;margin-bottom:8px}
    .muted{color:var(--muted)}
    .btn{min-height:48px;padding:12px 20px;border:1px solid transparent;border-radius:var(--button-radius);display:inline-flex;align-items:center;justify-content:center;gap:10px;cursor:pointer;font-weight:750;line-height:1.2;transition:transform var(--duration),background var(--duration),border-color var(--duration),color var(--duration),box-shadow var(--duration)}
    .btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(0) scale(.98)}
    .btn:focus-visible,.main-nav a:focus-visible,.filter-link:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(179,109,66,.45);outline-offset:3px}
    .btn-primary{color:var(--white);background:var(--accent);box-shadow:0 10px 24px rgba(139,48,73,.22)}
    .btn-primary:hover{background:var(--hover);box-shadow:0 14px 30px rgba(139,48,73,.28)}
    .btn-secondary{color:var(--ink);background:rgba(255,253,249,.72);border-color:var(--line)}
    .btn-secondary:hover{color:var(--accent);border-color:var(--accent);background:var(--surface)}
    .btn[disabled]{opacity:.52;cursor:not-allowed;transform:none;box-shadow:none}
    .tag{min-height:28px;padding:4px 10px;border:1px solid var(--line);border-radius:999px;display:inline-flex;align-items:center;color:var(--muted);background:rgba(255,255,255,.55);font-size:12px;font-weight:700}
    .site-header{height:78px;position:sticky;z-index:50;top:0;display:flex;align-items:center;background:rgba(242,238,232,.92);border-bottom:1px solid rgba(105,88,89,.15);backdrop-filter:blur(16px)}
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:32px}
    .logo{min-width:0;display:flex;align-items:center;gap:12px}
    .logo-mark{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;color:var(--white);background:var(--dark);box-shadow:inset 0 -4px 0 var(--accent);font-size:13px;font-weight:900;letter-spacing:-.08em}
    .logo-text{font-size:15px;font-weight:900;line-height:1.18;max-width:190px}
    .logo-text small{display:block;color:var(--muted);font-size:10px;letter-spacing:.13em;font-weight:700;margin-top:3px}
    .main-nav{display:flex;align-items:center;gap:8px}
    .main-nav a{position:relative;padding:10px 14px;color:var(--muted);font-size:14px;font-weight:750;border-radius:9px;transition:color var(--duration),background var(--duration)}
    .main-nav a:hover{color:var(--accent);background:var(--accent-soft)}
    .main-nav a.active{color:var(--accent-deep);background:var(--accent-soft)}
    .main-nav a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;background:var(--accent)}
    .menu-toggle{display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:11px;background:var(--surface);font-size:22px}
    .hero{padding:clamp(72px,10vw,142px) 0 84px}
    .breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:34px}
    .breadcrumb a:hover{color:var(--accent)}.breadcrumb span{color:#b2a5a1}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:80px;align-items:end}
    .hero h1{animation:rise .7s ease both}
    .hero-copy{max-width:700px;color:var(--muted);font-size:18px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
    .hero-side{padding:26px;background:var(--dark);color:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow);animation:rise .8s .12s ease both}
    .side-index{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:18px;margin-bottom:20px;color:#d8c9c4;font-size:13px}
    .side-index strong{color:var(--white);font-size:30px;line-height:1}
    .side-title{font-size:27px;font-weight:850;line-height:1.25;margin-bottom:20px}
    .progress{height:7px;background:#493b3c;border-radius:20px;overflow:hidden;margin:12px 0 9px}.progress i{display:block;width:68%;height:100%;background:var(--secondary);border-radius:inherit}
    .side-foot{display:flex;justify-content:space-between;color:#c3b4b0;font-size:12px}
    .notice{margin-top:36px;padding:13px 16px;border-left:3px solid var(--secondary);background:rgba(255,253,249,.55);color:var(--muted);font-size:13px}
    .content-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:54px;align-items:start}
    .filter-panel{position:sticky;top:108px;padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .filter-title{font-size:13px;color:var(--accent);font-weight:850;letter-spacing:.12em;margin-bottom:16px}
    .filter-group{padding:18px 0;border-top:1px solid var(--line)}.filter-group:first-of-type{border-top:0;padding-top:0}
    .filter-group strong{display:block;font-size:14px;margin-bottom:9px}
    .filter-link{display:block;padding:7px 0;color:var(--muted);font-size:14px;transition:color var(--duration),padding var(--duration)}
    .filter-link:hover,.filter-link.current{padding-left:8px;color:var(--accent);font-weight:750}
    .result-head{display:flex;align-items:end;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:20px}
    .result-head h2{font-size:30px;margin:0}.result-count{color:var(--muted);font-size:13px}
    .sort-select{height:42px;border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:0 12px;cursor:pointer}
    .content-list{display:grid;gap:14px}
    .content-item{display:grid;grid-template-columns:188px minmax(0,1fr) auto;gap:22px;align-items:center;padding:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);transition:transform var(--duration),box-shadow var(--duration),border-color var(--duration)}
    .content-item:hover{transform:translateY(-3px);border-color:rgba(139,48,73,.45);box-shadow:var(--shadow-hover)}
    .cover{position:relative;min-height:128px;overflow:hidden;border-radius:12px;background:linear-gradient(135deg,#39252c,#8b3049 58%,#c28165)}
    .cover::before{content:"";position:absolute;inset:16px;border:1px solid rgba(255,255,255,.38);border-radius:8px}
    .cover::after{content:"成人内容";position:absolute;left:18px;bottom:14px;color:#fff;font-size:11px;letter-spacing:.12em}
    .cover.alt{background:linear-gradient(135deg,#272226,#63515a 55%,#b36d42)}.cover.soft{background:linear-gradient(135deg,#4b3037,#b36d42 65%,#e0b19a)}
    .item-meta{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:10px}.item-copy p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
    .item-copy h3{margin-bottom:7px}.item-action{white-space:nowrap}
    .empty-state{display:none;margin-top:18px;padding:26px;text-align:center;border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted);background:rgba(255,253,249,.5)}
    .empty-state strong{display:block;color:var(--ink);margin-bottom:5px}
    .guide-strip{margin-top:28px;padding:25px 28px;display:flex;justify-content:space-between;align-items:center;gap:24px;background:var(--accent-soft);border-radius:var(--radius)}
    .guide-strip h3{margin-bottom:5px}.guide-strip p{margin:0;color:var(--muted);font-size:14px}
    .related{background:var(--dark);color:var(--white)}
    .related .section-kicker{color:#d49a87}.related h2{max-width:640px}
    .related-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:18px;margin-top:34px}
    .related-card{padding:25px;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);background:rgba(255,255,255,.05);transition:background var(--duration),transform var(--duration)}
    .related-card:hover{transform:translateY(-3px);background:rgba(255,255,255,.1)}
    .related-card p{color:#cfc2be;font-size:14px}.related-card .tag{color:#e9d7d1;border-color:rgba(255,255,255,.23);background:transparent}
    .site-footer{padding:70px 0 24px;background:var(--dark);color:var(--white);border-top:1px solid rgba(255,255,255,.1)}
    .footer-grid{display:grid;grid-template-columns:1.5fr .7fr 1fr;gap:70px;padding-bottom:52px}
    .footer-brand h2{font-size:22px;letter-spacing:-.03em}.footer-brand p,.footer-notice{color:#c8bab6;font-size:13px;line-height:1.8}
    .footer-title{margin-bottom:15px;color:#e3b19e;font-size:13px;font-weight:800;letter-spacing:.1em}
    .footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:8px 0}.footer-links a{color:#d7cbc7;font-size:14px}.footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);color:#9d908d;font-size:12px}
    @keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
    @media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:35px}.content-layout{grid-template-columns:210px minmax(0,1fr);gap:26px}.content-item{grid-template-columns:140px minmax(0,1fr)}.item-action{grid-column:2}.related-grid{grid-template-columns:1fr}.footer-grid{gap:30px}}
    @media(max-width:700px){
      .container{width:min(calc(100% - 32px),var(--container))}.site-header{height:70px}.logo-text{font-size:13px;max-width:165px}.logo-mark{width:38px;height:38px}
      .menu-toggle{display:block}.main-nav{display:none;position:absolute;left:16px;right:16px;top:78px;padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{min-height:46px;display:flex;align-items:center}.main-nav a.active::after{left:14px;right:auto;width:24px;bottom:8px}
      .hero{padding:60px 0 58px}.hero h1{font-size:clamp(39px,12vw,64px)}.hero-copy{font-size:16px}.hero-side{padding:22px}.notice{margin-top:26px}
      .content-layout{display:block}.filter-panel{position:static;margin-bottom:30px}.filter-group{display:inline-block;vertical-align:top;width:49%;border-top:0;padding:8px 8px 8px 0}.result-head{align-items:start;flex-direction:column}.content-item{grid-template-columns:108px minmax(0,1fr);gap:14px}.cover{min-height:110px}.item-action{grid-column:2}.item-action .btn{width:100%}.guide-strip{display:block;padding:22px}.guide-strip .btn{margin-top:15px}
      .section{padding:66px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:15px}.footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:35px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
    }
    @media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category2 */
:root{
  --page:#f2eee8;
  --surface:#fffdf9;
  --surface-soft:#e9e1d8;
  --ink:#211d1e;
  --muted:#706869;
  --line:#d8ceca;
  --accent:#8b3049;
  --accent-deep:#652036;
  --accent-soft:#f2dfe4;
  --secondary:#b36d42;
  --hover:#76253d;
  --success:#2f7358;
  --warning:#a56622;
  --danger:#a2383e;
  --dark:#1d191a;
  --dark-soft:#292324;
  --white:#fff;
  --radius-sm:10px;
  --radius:18px;
  --radius-lg:28px;
  --button-radius:12px;
  --container:1240px;
  --shadow:0 18px 50px rgba(50,34,38,.09);
  --shadow-hover:0 24px 58px rgba(71,35,45,.15);
  --space-section:clamp(72px,9vw,126px);
  --duration:220ms;
}
*,
*::before,
*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:
    radial-gradient(circle at 10% 10%,rgba(139,48,73,.045),transparent 24%),
    linear-gradient(rgba(33,29,30,.018) 1px,transparent 1px),
    var(--page);
  background-size:auto,100% 34px,auto;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button,input,select,textarea{color:inherit;font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
button{border:0}
.container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
.section{padding:var(--space-section) 0}
.section-kicker{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;
  color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.12em
}
.section-kicker::before{width:28px;height:2px;background:currentColor;content:""}
.section-head{
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(300px,.62fr);
  gap:60px;align-items:end;margin-bottom:42px
}
.section-head h2{max-width:760px;margin:0;font-size:clamp(34px,4.4vw,64px);line-height:1.1;font-weight:850;letter-spacing:-.055em}
.section-head p{margin:0 0 4px;color:var(--muted);font-size:16px}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{line-height:1.14;letter-spacing:-.045em}
.btn{
  min-height:48px;padding:12px 20px;border:1px solid transparent;border-radius:var(--button-radius);
  display:inline-flex;align-items:center;justify-content:center;gap:10px;cursor:pointer;
  font-weight:750;line-height:1.2;transition:transform var(--duration),background var(--duration),border-color var(--duration),color var(--duration),box-shadow var(--duration)
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn:focus-visible,.filter-btn:focus-visible,.faq-question:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.menu-toggle:focus-visible{
  outline:3px solid rgba(179,109,66,.45);outline-offset:3px
}
.btn-primary{color:var(--white);background:var(--accent);box-shadow:0 10px 24px rgba(139,48,73,.22)}
.btn-primary:hover{background:var(--hover);box-shadow:0 14px 30px rgba(139,48,73,.28)}
.btn-secondary{color:var(--ink);background:rgba(255,253,249,.72);border-color:var(--line)}
.btn-secondary:hover{color:var(--accent);border-color:var(--accent);background:var(--surface)}
.btn-light{color:var(--dark);background:var(--surface)}
.btn-light:hover{background:var(--accent-soft)}
.btn[disabled]{cursor:not-allowed;opacity:.52;transform:none;box-shadow:none}
.tag{
  min-height:28px;padding:4px 10px;border:1px solid var(--line);border-radius:999px;
  display:inline-flex;align-items:center;color:var(--muted);background:rgba(255,255,255,.55);
  font-size:12px;font-weight:700;letter-spacing:.02em
}
.site-header{
  height:78px;position:sticky;z-index:50;top:0;display:flex;align-items:center;
  background:rgba(242,238,232,.92);border-bottom:1px solid rgba(105,88,89,.15);
  backdrop-filter:blur(16px)
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:32px}
.logo{min-width:0;display:flex;align-items:center;gap:12px}
.logo-mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  color:var(--white);background:var(--dark);box-shadow:inset 0 -4px 0 var(--accent);
  font-size:13px;font-weight:900;letter-spacing:-.08em
}
.logo-copy{display:flex;flex-direction:column;line-height:1.15}
.logo-copy strong{font-size:15px;letter-spacing:-.04em;white-space:nowrap}
.logo-copy small{margin-top:4px;color:var(--muted);font-size:10px;letter-spacing:.08em}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  position:relative;padding:10px 14px;border-radius:9px;color:var(--muted);
  font-size:14px;font-weight:750;transition:color var(--duration),background var(--duration)
}
.main-nav a::after{
  position:absolute;right:14px;bottom:4px;left:14px;height:2px;background:var(--accent);
  content:"";transform:scaleX(0);transform-origin:left;transition:transform var(--duration)
}
.main-nav a:hover{color:var(--accent);background:rgba(255,253,249,.66)}
.main-nav a.active{color:var(--accent);background:var(--accent-soft)}
.main-nav a.active::after{transform:scaleX(1)}
.menu-toggle{
  display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:11px;
  background:var(--surface);cursor:pointer
}
.menu-toggle span{display:block;width:20px;height:2px;margin:4px auto;background:var(--ink);transition:transform var(--duration),opacity var(--duration)}
.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(3px) rotate(45deg)}
.menu-toggle[aria-expanded=true] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-9px) rotate(-45deg)}

.page-intro{padding:74px 0 54px;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;align-items:center;gap:10px;margin-bottom:30px;color:var(--muted);font-size:13px}
.breadcrumb a{color:var(--accent);font-weight:700}
.breadcrumb .slash{color:var(--line)}
.intro-grid{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:70px;align-items:end}
.intro-grid h1{max-width:820px;margin:0 0 22px;font-size:clamp(42px,7vw,88px);font-weight:900}
.intro-grid .lead{max-width:710px;margin:0;color:var(--muted);font-size:18px;line-height:1.85}
.intro-note{
  padding:24px;border-left:3px solid var(--accent);background:rgba(255,253,249,.68);
  box-shadow:var(--shadow)
}
.intro-note strong{display:block;margin-bottom:8px;font-size:17px}
.intro-note p{margin:0;color:var(--muted);font-size:14px}
.index-bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;border-bottom:1px solid var(--line)
}
.index-label{color:var(--muted);font-size:13px;font-weight:800;letter-spacing:.1em}
.filter-row{display:flex;flex-wrap:wrap;gap:8px}
.filter-btn{
  min-height:40px;padding:8px 15px;border:1px solid var(--line);border-radius:9px;
  background:rgba(255,253,249,.7);cursor:pointer;font-size:13px;font-weight:750;
  transition:background var(--duration),border-color var(--duration),color var(--duration),transform var(--duration)
}
.filter-btn:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.filter-btn.active{color:var(--white);border-color:var(--accent);background:var(--accent)}
.zone-section{padding:60px 0 110px}
.zone-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:52px}
.side-index{position:sticky;top:108px;align-self:start}
.side-index h2{margin:0 0 18px;font-size:22px}
.side-index p{margin:0 0 24px;color:var(--muted);font-size:14px}
.side-menu{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
.side-menu li{border-bottom:1px solid var(--line)}
.side-menu a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 4px;color:var(--muted);font-size:14px;font-weight:700;
  transition:padding var(--duration),color var(--duration)
}
.side-menu a span{color:var(--secondary);font-size:12px}
.side-menu a:hover,.side-menu a.current{padding-left:10px;color:var(--accent)}
.side-legal{margin-top:28px;padding:16px;border-radius:var(--radius-sm);color:var(--muted);background:var(--surface-soft);font-size:12px;line-height:1.7}
.results-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:22px}
.results-head h2{margin:0;font-size:30px}
.results-head p{margin:0;color:var(--muted);font-size:14px}
.zone-list{display:grid;gap:14px}
.zone-card{
  display:grid;grid-template-columns:176px minmax(0,1fr) auto;gap:24px;align-items:center;
  min-height:174px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(255,253,249,.78);box-shadow:0 8px 24px rgba(50,34,38,.035);
  transition:transform var(--duration),border-color var(--duration),box-shadow var(--duration)
}
.zone-card:hover{transform:translateY(-3px);border-color:rgba(139,48,73,.48);box-shadow:var(--shadow-hover)}
.zone-card[hidden]{display:none}
.cover{
  position:relative;min-height:136px;overflow:hidden;border-radius:13px;
  display:flex;align-items:flex-end;padding:14px;color:var(--white);background:var(--dark)
}
.cover::before,.cover::after{position:absolute;content:"";border-radius:50%;filter:blur(1px)}
.cover::before{width:130px;height:130px;right:-32px;top:-28px;background:rgba(179,109,66,.66)}
.cover::after{width:100px;height:100px;left:-25px;bottom:-44px;background:rgba(139,48,73,.7)}
.cover b{position:relative;z-index:1;font-size:12px;letter-spacing:.1em}
.cover-a{background:#423239}.cover-b{background:#343c3b}.cover-c{background:#4b3530}.cover-d{background:#343448}.cover-e{background:#463b30}.cover-f{background:#3b3039}
.card-copy h3{margin:0 0 8px;font-size:22px}
.card-copy p{max-width:570px;margin:0 0 15px;color:var(--muted);font-size:14px;line-height:1.65}
.meta{display:flex;flex-wrap:wrap;gap:7px}
.meta .tag{background:var(--surface)}
.card-action{justify-self:end;white-space:nowrap}
.card-action a{font-size:13px}
.empty-state{
  display:none;margin-top:16px;padding:38px;text-align:center;border:1px dashed var(--line);
  border-radius:var(--radius);color:var(--muted);background:rgba(255,253,249,.5)
}
.empty-state.show{display:block}
.empty-state strong{display:block;margin-bottom:6px;color:var(--ink);font-size:18px}
.info-band{padding:0 0 110px}
.info-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.info-panel{padding:32px;border-radius:var(--radius-lg);background:var(--dark);color:var(--white)}
.info-panel h2{margin:0 0 14px;font-size:34px}
.info-panel p{margin:0;color:rgba(255,255,255,.68);font-size:14px}
.rule-list{display:grid;gap:12px;margin:24px 0 0;padding:0;list-style:none}
.rule-list li{display:flex;gap:12px;align-items:flex-start;padding-top:12px;border-top:1px solid rgba(255,255,255,.14);font-size:14px}
.rule-list i{width:22px;height:22px;flex:none;border-radius:50%;display:grid;place-items:center;color:var(--dark);background:var(--secondary);font-style:normal;font-size:12px;font-weight:900}
.info-side{padding:32px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface)}
.info-side h3{margin:0 0 20px;font-size:24px}
.path{display:grid;gap:0;margin:0;padding:0;list-style:none}
.path li{position:relative;display:grid;grid-template-columns:40px 1fr;gap:14px;padding:0 0 22px}
.path li:last-child{padding-bottom:0}
.path li:not(:last-child)::before{position:absolute;left:19px;top:34px;width:1px;height:calc(100% - 20px);background:var(--line);content:""}
.path-num{position:relative;z-index:1;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:var(--accent);background:var(--accent-soft);font-weight:900}
.path strong{display:block;margin:4px 0 3px;font-size:15px}
.path span{color:var(--muted);font-size:13px}
.faq-section{padding:0 0 110px}
.faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
.faq-wrap h2{margin:0;font-size:clamp(34px,4vw,56px)}
.faq-wrap .faq-intro{margin-top:18px;color:var(--muted);font-size:15px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{
  width:100%;padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:20px;background:transparent;text-align:left;cursor:pointer;font-weight:800;font-size:16px
}
.faq-question:hover{color:var(--accent)}
.faq-icon{position:relative;width:24px;height:24px;flex:none;border:1px solid var(--line);border-radius:50%}
.faq-icon::before,.faq-icon::after{position:absolute;left:6px;top:11px;width:10px;height:1px;background:currentColor;content:""}
.faq-icon::after{transform:rotate(90deg);transition:transform var(--duration)}
.faq-item.open .faq-icon::after{transform:rotate(0)}
.faq-answer{display:none;padding:0 45px 20px 0;color:var(--muted);font-size:14px}
.faq-item.open .faq-answer{display:block}
.cta-section{padding:0 0 var(--space-section)}
.cta-panel{
  display:grid;grid-template-columns:1fr .95fr;gap:60px;align-items:center;
  padding:54px 58px;border-radius:var(--radius-lg);background:var(--accent-deep);color:var(--white);overflow:hidden
}
.cta-panel h2{margin:0 0 14px;font-size:clamp(30px,4vw,52px)}
.cta-panel p{max-width:570px;margin:0;color:rgba(255,255,255,.7);font-size:15px}
.feedback-form{padding:26px;border-radius:18px;background:var(--surface);color:var(--ink)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:grid;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:800}
.field label em{color:var(--accent);font-style:normal}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:9px;background:var(--surface);
  padding:11px 13px;font-size:14px;transition:border-color var(--duration),box-shadow var(--duration)
}
.field input,.field select{height:46px}
.field textarea{min-height:90px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#aaa0a0}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);outline:0}
.consent{display:flex;gap:9px;align-items:flex-start;margin:16px 0;color:var(--muted);font-size:12px;line-height:1.55}
.consent input{margin-top:4px;accent-color:var(--accent)}
.form-actions{display:flex;align-items:center;gap:14px}
.form-status{display:none;color:var(--success);font-size:13px;font-weight:700}
.form-status.show{display:block}
.site-footer{padding:68px 0 24px;background:var(--dark);color:var(--white)}
.footer-grid{display:grid;grid-template-columns:1.35fr .7fr .9fr;gap:70px;padding-bottom:46px}
.footer-brand h2{margin:0 0 14px;font-size:22px}
.footer-brand p{max-width:530px;margin:0;color:rgba(255,255,255,.62);font-size:13px}
.footer-title{margin-bottom:16px;color:var(--secondary);font-size:12px;font-weight:900;letter-spacing:.12em}
.footer-links{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.footer-links a{color:rgba(255,255,255,.72);font-size:13px;transition:color var(--duration)}
.footer-links a:hover{color:var(--white)}
.footer-notice{color:rgba(255,255,255,.62);font-size:13px;line-height:1.75}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;border-top:1px solid rgba(255,255,255,.13);color:rgba(255,255,255,.44);font-size:12px}
.reveal{animation:rise .65s both}
.delay-1{animation-delay:.08s}.delay-2{animation-delay:.16s}.delay-3{animation-delay:.24s}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media (max-width:1024px){
  .intro-grid{grid-template-columns:1fr 320px;gap:38px}
  .zone-layout{grid-template-columns:205px minmax(0,1fr);gap:30px}
  .zone-card{grid-template-columns:145px minmax(0,1fr);gap:18px}
  .card-action{grid-column:2;justify-self:start}
  .info-grid,.faq-wrap{gap:32px}
  .cta-panel{gap:34px;padding:42px}
  .footer-grid{gap:34px}
}
@media (max-width:767px){
  .container{width:min(calc(100% - 32px),var(--container))}
  .site-header{height:70px}
  .logo-mark{width:38px;height:38px;font-size:12px}
  .logo-copy strong{font-size:13px;max-width:210px;overflow:hidden;text-overflow:ellipsis}
  .logo-copy small{display:none}
  .menu-toggle{display:block}
  .main-nav{
    position:fixed;z-index:49;top:70px;right:16px;left:16px;display:grid;gap:4px;
    padding:12px;border:1px solid var(--line);border-radius:15px;background:var(--surface);
    box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(-8px);
    transition:opacity var(--duration),transform var(--duration)
  }
  .main-nav.open{opacity:1;pointer-events:auto;transform:none}
  .main-nav a{padding:14px 13px;font-size:15px}
  .main-nav a::after{right:13px;bottom:8px;left:auto;width:28px}
  .page-intro{padding:52px 0 38px}
  .breadcrumb{margin-bottom:22px}
  .intro-grid{display:block}
  .intro-grid h1{font-size:clamp(42px,13vw,66px);margin-bottom:18px}
  .intro-grid .lead{font-size:16px}
  .intro-note{margin-top:30px;padding:19px}
  .index-bar{display:block;padding:17px 0}
  .index-label{display:block;margin-bottom:12px}
  .filter-row{overflow-x:auto;flex-wrap:nowrap;padding-bottom:3px}
  .filter-btn{white-space:nowrap}
  .zone-section{padding:42px 0 76px}
  .zone-layout{display:block}
  .side-index{position:static;margin-bottom:42px}
  .side-menu{display:flex;gap:8px;overflow-x:auto;border:0}
  .side-menu li{border:0;flex:none}
  .side-menu a{padding:9px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);white-space:nowrap}
  .side-menu a:hover,.side-menu a.current{padding-left:12px;background:var(--accent-soft)}
  .side-legal{display:none}
  .results-head{display:block;margin-bottom:18px}
  .results-head h2{font-size:27px;margin-bottom:4px}
  .zone-card{grid-template-columns:106px minmax(0,1fr);min-height:0;padding:12px;gap:14px}
  .cover{min-height:112px;padding:10px}
  .card-copy h3{font-size:17px}
  .card-copy p{font-size:13px;margin-bottom:10px}
  .meta .tag{font-size:11px;padding:3px 8px}
  .card-action{grid-column:2}
  .card-action .btn{min-height:42px;padding:9px 13px;font-size:12px}
  .info-band,.faq-section{padding-bottom:76px}
  .info-grid,.faq-wrap,.cta-panel{display:block}
  .info-panel,.info-side{padding:25px}
  .info-side{margin-top:14px}
  .info-panel h2{font-size:30px}
  .faq-wrap h2{font-size:40px}
  .faq-list{margin-top:28px}
  .cta-panel{padding:28px 18px}
  .cta-panel h2{font-size:34px}
  .feedback-form{margin-top:28px;padding:18px}
  .form-grid{grid-template-columns:1fr}
  .field.full{grid-column:auto}
  .form-actions{display:block}
  .form-actions .btn{width:100%}
  .form-status{margin-top:12px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:32px}
  .footer-bottom{display:block}
  .footer-bottom span{display:block;margin-top:8px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}
}