/* roulang page: index */
:root {
            --bg: #F5F3EE;
            --panel: #FFFEFB;
            --ink: #25231F;
            --muted: #706C64;
            --line: #DDD8CF;
            --coral: #E6533F;
            --coral-dark: #CF4432;
            --lime: #B8CF55;
            --amber: #D99A3D;
            --charcoal: #191816;
            --white: #F6F2EA;
            --radius-sm: 8px;
            --radius-btn: 10px;
            --radius-card: 14px;
            --radius-feature: 20px;
            --shadow: 0 16px 38px rgba(43, 38, 31, .08);
            --shadow-small: 0 9px 24px rgba(43, 38, 31, .07);
            --container: 1240px;
        }

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

        html {
            scroll-behavior: smooth;
            background: var(--bg);
        }

        body {
            margin: 0;
            min-width: 320px;
            overflow-x: hidden;
            color: var(--ink);
            background:
                linear-gradient(rgba(221, 216, 207, .24) 1px, transparent 1px) 0 0 / 100% 88px,
                var(--bg);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            text-rendering: optimizeLegibility;
            -webkit-font-smoothing: antialiased;
        }

        body.menu-open {
            overflow: hidden;
        }

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

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

        button, select {
            cursor: pointer;
        }

        button:disabled, input:disabled, select:disabled, textarea:disabled {
            cursor: not-allowed;
            opacity: .56;
        }

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

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

        .site-container {
            width: min(calc(100% - 64px), var(--container));
            margin-inline: auto;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            border-bottom: 1px solid rgba(221, 216, 207, .9);
            background: rgba(255, 254, 251, .98);
            transition: box-shadow 200ms ease, border-color 200ms ease;
        }

        .site-header.scrolled {
            border-color: #CEC7BC;
            box-shadow: 0 8px 24px rgba(37, 35, 31, .06);
        }

        .nav-shell {
            min-height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            transition: min-height 200ms ease;
        }

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

        .brand {
            display: inline-flex;
            align-items: center;
            min-width: 0;
            gap: 12px;
            font-size: 17px;
            font-weight: 800;
            letter-spacing: -.02em;
        }

        .brand-mark {
            position: relative;
            width: 38px;
            height: 38px;
            flex: 0 0 auto;
            overflow: hidden;
            border: 1px solid #2C2925;
            border-radius: 11px;
            background: var(--charcoal);
        }

        .brand-mark::before,
        .brand-mark::after {
            position: absolute;
            left: 8px;
            right: 8px;
            height: 3px;
            border-radius: 10px;
            content: "";
        }

        .brand-mark::before {
            top: 11px;
            background: var(--coral);
            box-shadow: 0 7px 0 var(--white), 0 14px 0 var(--lime);
        }

        .brand-mark::after {
            top: 11px;
            left: 24px;
            right: auto;
            width: 5px;
            background: var(--coral);
        }

        .brand-text {
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
        }

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

        .nav-link {
            position: relative;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            padding: 0 14px;
            border-radius: var(--radius-sm);
            color: var(--muted);
            font-size: 15px;
            font-weight: 650;
            transition: color 180ms ease, background-color 180ms ease, transform 180ms ease;
        }

        .nav-link:hover {
            color: var(--ink);
            background: #F0EDE7;
        }

        .nav-link:active {
            transform: translateY(1px);
        }

        .nav-link.active {
            color: var(--ink);
        }

        .nav-link.active::after {
            position: absolute;
            right: 14px;
            bottom: 5px;
            left: 14px;
            height: 2px;
            border-radius: 10px;
            background: var(--coral);
            content: "";
        }

        .header-action,
        .button-primary,
        .button-secondary,
        .button-dark {
            min-height: 46px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            border: 1px solid transparent;
            border-radius: var(--radius-btn);
            padding: 0 18px;
            font-weight: 750;
            line-height: 1.2;
            transition: color 190ms ease, background-color 190ms ease, border-color 190ms ease, box-shadow 190ms ease, transform 190ms ease;
        }

        .header-action, .button-primary {
            color: #fff;
            background: var(--coral);
            box-shadow: 0 8px 18px rgba(230, 83, 63, .2);
        }

        .header-action:hover, .button-primary:hover {
            background: #EE604B;
            box-shadow: 0 11px 24px rgba(230, 83, 63, .26);
            transform: translateY(-1px);
        }

        .header-action:active, .button-primary:active {
            background: var(--coral-dark);
            box-shadow: none;
            transform: translateY(1px);
        }

        .button-secondary {
            border-color: #BDB6AB;
            background: rgba(255, 254, 251, .55);
        }

        .button-secondary:hover {
            border-color: var(--ink);
            background: var(--panel);
            transform: translateY(-1px);
        }

        .button-secondary:active {
            background: #EBE7E0;
            transform: translateY(1px);
        }

        .button-dark {
            border-color: rgba(246, 242, 234, .25);
            color: var(--white);
            background: rgba(246, 242, 234, .06);
        }

        .button-dark:hover {
            border-color: rgba(246, 242, 234, .5);
            background: rgba(246, 242, 234, .11);
            transform: translateY(-1px);
        }

        .menu-toggle {
            width: 46px;
            height: 46px;
            display: none;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--line);
            border-radius: 10px;
            background: var(--panel);
        }

        .menu-toggle:hover {
            border-color: #AAA298;
            background: #F4F1EB;
        }

        .mobile-drawer {
            position: fixed;
            inset: 0;
            z-index: 80;
            display: none;
        }

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

        .drawer-overlay {
            position: absolute;
            inset: 0;
            border: 0;
            background: rgba(25, 24, 22, .58);
        }

        .drawer-panel {
            position: absolute;
            top: 0;
            right: 0;
            width: min(88vw, 390px);
            height: 100%;
            padding: 20px;
            background: var(--panel);
            box-shadow: -20px 0 50px rgba(25, 24, 22, .16);
            animation: drawerIn 220ms ease both;
        }

        @keyframes drawerIn {
            from { opacity: 0; transform: translateX(24px); }
            to { opacity: 1; transform: translateX(0); }
        }

        .section-space {
            padding: 104px 0;
        }

        .section-heading {
            max-width: 760px;
            margin-bottom: 38px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 14px;
            color: var(--coral-dark);
            font-size: 13px;
            font-weight: 800;
            letter-spacing: .12em;
        }

        .eyebrow::before {
            width: 28px;
            height: 2px;
            border-radius: 10px;
            background: var(--coral);
            content: "";
        }

        .section-title {
            margin: 0;
            font-size: clamp(32px, 4vw, 42px);
            line-height: 1.18;
            font-weight: 850;
            letter-spacing: -.04em;
        }

        .section-copy {
            margin: 16px 0 0;
            color: var(--muted);
            font-size: 17px;
            line-height: 1.8;
        }

        .hero {
            position: relative;
            overflow: hidden;
            padding: 42px 0 102px;
        }

        .hero::before {
            position: absolute;
            top: 130px;
            right: -130px;
            width: 410px;
            height: 410px;
            border: 1px solid rgba(230, 83, 63, .16);
            border-radius: 50%;
            box-shadow: inset 0 0 0 50px rgba(230, 83, 63, .025), inset 0 0 0 100px rgba(184, 207, 85, .035);
            content: "";
            pointer-events: none;
        }

        .status-strip {
            position: relative;
            z-index: 1;
            min-height: 58px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            margin-bottom: 32px;
            padding: 10px 14px 10px 18px;
            border: 1px solid #D9D2C8;
            border-radius: 14px;
            background: var(--panel);
            box-shadow: var(--shadow-small);
        }

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

        .status-dot {
            width: 9px;
            height: 9px;
            flex: 0 0 auto;
            border-radius: 50%;
            background: var(--lime);
            box-shadow: 0 0 0 5px rgba(184, 207, 85, .16);
        }

        .status-title {
            font-weight: 800;
        }

        .status-note {
            color: var(--muted);
            font-size: 14px;
        }

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

        .countdown-value {
            min-width: 78px;
            padding: 5px 9px;
            border-radius: 8px;
            color: var(--white);
            background: var(--charcoal);
            text-align: center;
            font-variant-numeric: tabular-nums;
            font-weight: 800;
            letter-spacing: .08em;
        }

        .status-entry {
            min-height: 38px;
            display: inline-flex;
            align-items: center;
            padding: 0 13px;
            border-radius: 8px;
            color: #fff;
            background: var(--coral);
            font-size: 13px;
            font-weight: 750;
        }

        .status-entry:hover {
            background: var(--coral-dark);
        }

        .hero-stage {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: repeat(12, minmax(0, 1fr));
            gap: 20px;
        }

        .hero-copy {
            grid-column: span 8;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 400px;
            padding: 48px;
            border: 1px solid var(--line);
            border-radius: var(--radius-feature);
            background: rgba(255, 254, 251, .94);
            box-shadow: var(--shadow);
        }

        .hero h1 {
            max-width: 850px;
            margin: 0;
            font-size: clamp(42px, 5.4vw, 66px);
            line-height: 1.09;
            font-weight: 900;
            letter-spacing: -.055em;
        }

        .hero-description {
            max-width: 760px;
            margin: 24px 0 0;
            color: var(--muted);
            font-size: 18px;
            line-height: 1.82;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 30px;
        }

        .hero-notes {
            display: flex;
            flex-wrap: wrap;
            gap: 9px;
            margin-top: 24px;
        }

        .tag, .badge {
            min-height: 26px;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 3px 9px;
            border: 1px solid var(--line);
            border-radius: 999px;
            color: #5F5A52;
            background: #F8F6F1;
            font-size: 12px;
            line-height: 1.3;
            font-weight: 700;
        }

        .badge-coral {
            border-color: rgba(230, 83, 63, .28);
            color: #B23A2B;
            background: rgba(230, 83, 63, .08);
        }

        .badge-lime {
            border-color: rgba(141, 166, 45, .3);
            color: #56681B;
            background: rgba(184, 207, 85, .14);
        }

        .metrics-panel {
            grid-column: span 4;
            min-height: 400px;
            padding: 26px;
            overflow: hidden;
            border: 1px solid #2D2B28;
            border-radius: var(--radius-feature);
            color: var(--white);
            background: var(--charcoal);
        }

        .panel-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 26px;
        }

        .panel-label {
            color: rgba(246, 242, 234, .58);
            font-size: 13px;
        }

        .panel-title {
            margin-top: 3px;
            font-size: 20px;
            font-weight: 800;
        }

        .live-state {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 5px 9px;
            border: 1px solid rgba(184, 207, 85, .23);
            border-radius: 999px;
            color: #DDEAA7;
            background: rgba(184, 207, 85, .09);
            font-size: 12px;
            font-weight: 750;
        }

        .metric-primary {
            padding: 22px 0;
            border-top: 1px solid rgba(246, 242, 234, .12);
            border-bottom: 1px solid rgba(246, 242, 234, .12);
        }

        .metric-value {
            font-size: 48px;
            line-height: 1;
            font-weight: 850;
            font-variant-numeric: tabular-nums;
            letter-spacing: -.05em;
        }

        .metric-value span {
            margin-left: 6px;
            color: rgba(246, 242, 234, .55);
            font-size: 14px;
            letter-spacing: 0;
        }

        .track {
            height: 6px;
            margin-top: 18px;
            overflow: hidden;
            border-radius: 99px;
            background: rgba(246, 242, 234, .1);
        }

        .track-fill {
            width: 76%;
            height: 100%;
            border-radius: inherit;
            background: var(--coral);
        }

        .metric-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-top: 18px;
        }

        .metric-item {
            min-height: 92px;
            padding: 14px;
            border: 1px solid rgba(246, 242, 234, .1);
            border-radius: 11px;
            background: rgba(246, 242, 234, .035);
        }

        .metric-number {
            color: var(--lime);
            font-size: 23px;
            line-height: 1.2;
            font-weight: 850;
            font-variant-numeric: tabular-nums;
        }

        .metric-name {
            margin-top: 6px;
            color: rgba(246, 242, 234, .6);
            font-size: 12px;
        }

        .bento-grid {
            display: grid;
            grid-template-columns: repeat(12, minmax(0, 1fr));
            gap: 18px;
        }

        .feature-card {
            position: relative;
            overflow: hidden;
            padding: 26px;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            background: var(--panel);
            transition: border-color 200ms ease, box-shadow 200ms ease, transform 200ms ease;
        }

        .feature-card:hover {
            z-index: 1;
            border-color: #C3BAB0;
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }

        .feature-card:active {
            transform: translateY(0);
        }

        .feature-card.large {
            grid-column: span 7;
            grid-row: span 2;
            min-height: 430px;
            border-radius: var(--radius-feature);
        }

        .feature-card.medium {
            grid-column: span 5;
            min-height: 206px;
        }

        .feature-card.wide {
            grid-column: span 6;
            min-height: 170px;
        }

        .icon-box {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            color: var(--coral);
            background: rgba(230, 83, 63, .09);
            transition: background-color 180ms ease, transform 180ms ease;
        }

        .feature-card:hover .icon-box {
            background: rgba(230, 83, 63, .15);
            transform: translateY(-1px);
        }

        .feature-title {
            margin: 18px 0 8px;
            font-size: 22px;
            line-height: 1.35;
            font-weight: 820;
            letter-spacing: -.025em;
        }

        .feature-copy {
            margin: 0;
            color: var(--muted);
            line-height: 1.75;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 18px;
            color: #A9382B;
            font-weight: 750;
        }

        .card-link:hover {
            color: var(--coral);
            text-decoration: underline;
            text-underline-offset: 5px;
        }

        .subtitle-demo {
            position: absolute;
            right: 28px;
            bottom: 26px;
            left: 28px;
            height: 168px;
            overflow: hidden;
            border: 1px solid #35322E;
            border-radius: 13px;
            background: var(--charcoal);
        }

        .demo-top {
            height: 34px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 12px;
            border-bottom: 1px solid rgba(246, 242, 234, .1);
            color: rgba(246, 242, 234, .55);
            font-size: 11px;
        }

        .demo-lines {
            padding: 22px 20px;
        }

        .demo-line {
            height: 7px;
            margin-bottom: 12px;
            border-radius: 10px;
            background: rgba(246, 242, 234, .16);
        }

        .demo-line:nth-child(1) { width: 72%; }
        .demo-line:nth-child(2) { width: 90%; background: rgba(230, 83, 63, .7); }
        .demo-line:nth-child(3) { width: 58%; }
        .demo-line:nth-child(4) { width: 82%; background: rgba(184, 207, 85, .56); }

        .info-loop,
        .topic-zone {
            grid-column: 1 / -1;
            margin-top: 44px;
            padding-top: 70px;
            border-top: 1px solid var(--line);
        }

        .info-layout {
            display: grid;
            grid-template-columns: minmax(0, 1.5fr) minmax(300px, .75fr);
            gap: 28px;
        }

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

        .news-item {
            display: grid;
            grid-template-columns: 100px 1fr auto;
            align-items: center;
            gap: 20px;
            min-height: 92px;
            border-bottom: 1px solid var(--line);
            transition: background-color 180ms ease, padding 180ms ease;
        }

        .news-item:hover {
            padding-inline: 10px;
            background: rgba(255, 254, 251, .7);
        }

        .news-date {
            color: var(--muted);
            font-size: 13px;
            font-variant-numeric: tabular-nums;
        }

        .news-title {
            font-size: 17px;
            font-weight: 760;
        }

        .news-title:hover {
            color: var(--coral-dark);
            text-decoration: underline;
            text-underline-offset: 5px;
        }

        .news-summary {
            margin-top: 3px;
            color: var(--muted);
            font-size: 14px;
        }

        .recommend-panel {
            padding: 26px;
            border: 1px solid #2D2B28;
            border-radius: var(--radius-card);
            color: var(--white);
            background: var(--charcoal);
        }

        .recommend-panel h3 {
            margin: 15px 0 10px;
            font-size: 24px;
            line-height: 1.35;
        }

        .recommend-panel p {
            margin: 0;
            color: rgba(246, 242, 234, .63);
        }

        .zone-grid {
            display: grid;
            grid-template-columns: 1.25fr .75fr .75fr;
            gap: 18px;
        }

        .zone-card {
            min-height: 230px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 26px;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            background: #ECE8E0;
            transition: border-color 200ms ease, box-shadow 200ms ease, transform 200ms ease;
        }

        .zone-card:first-child {
            min-height: 280px;
            color: var(--white);
            background: var(--charcoal);
        }

        .zone-card:hover {
            border-color: #BFB6AB;
            box-shadow: var(--shadow-small);
            transform: translateY(-2px);
        }

        .zone-number {
            color: var(--coral);
            font-size: 13px;
            font-weight: 850;
            font-variant-numeric: tabular-nums;
        }

        .zone-card:first-child .zone-number {
            color: var(--lime);
        }

        .zone-card h3 {
            margin: 12px 0 8px;
            font-size: 23px;
        }

        .zone-card p {
            margin: 0;
            color: var(--muted);
        }

        .zone-card:first-child p {
            color: rgba(246, 242, 234, .62);
        }

        .compare-section {
            background: var(--charcoal);
        }

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

        .compare-section .section-copy {
            color: rgba(246, 242, 234, .62);
        }

        .compare-shell {
            display: grid;
            grid-template-columns: 5fr 7fr;
            overflow: hidden;
            border: 1px solid rgba(246, 242, 234, .14);
            border-radius: var(--radius-feature);
        }

        .compare-side {
            padding: 34px;
        }

        .compare-side + .compare-side {
            border-left: 1px solid rgba(246, 242, 234, .14);
        }

        .compare-side.recommended {
            box-shadow: inset 3px 0 0 var(--coral);
            background: rgba(246, 242, 234, .035);
        }

        .compare-name {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 24px;
            color: var(--white);
            font-size: 23px;
            font-weight: 820;
        }

        .compare-row {
            display: grid;
            grid-template-columns: 118px 1fr;
            gap: 18px;
            padding: 17px 0;
            border-top: 1px solid rgba(246, 242, 234, .11);
        }

        .compare-key {
            color: rgba(246, 242, 234, .48);
            font-size: 13px;
            font-weight: 700;
        }

        .compare-value {
            display: flex;
            gap: 10px;
            color: rgba(246, 242, 234, .83);
        }

        .compare-icon {
            width: 20px;
            height: 20px;
            flex: 0 0 auto;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-top: 3px;
            border-radius: 50%;
            color: var(--charcoal);
            background: var(--lime);
        }

        .compare-side:first-child .compare-icon {
            color: rgba(246, 242, 234, .7);
            background: rgba(246, 242, 234, .13);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: minmax(0, 870px) minmax(240px, 1fr);
            gap: 52px;
            align-items: start;
        }

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

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

        .faq-button {
            width: 100%;
            min-height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 18px 0;
            border: 0;
            color: var(--ink);
            background: transparent;
            text-align: left;
            font-weight: 780;
        }

        .faq-button:hover {
            color: var(--coral-dark);
        }

        .faq-symbol {
            position: relative;
            width: 28px;
            height: 28px;
            flex: 0 0 auto;
            border: 1px solid var(--line);
            border-radius: 50%;
            transition: border-color 200ms ease, background-color 200ms ease, transform 200ms ease;
        }

        .faq-symbol::before,
        .faq-symbol::after {
            position: absolute;
            top: 50%;
            left: 50%;
            width: 10px;
            height: 1.5px;
            background: currentColor;
            content: "";
            transform: translate(-50%, -50%);
        }

        .faq-symbol::after {
            transform: translate(-50%, -50%) rotate(90deg);
            transition: transform 200ms ease;
        }

        .faq-button[aria-expanded="true"] .faq-symbol {
            border-color: var(--coral);
            color: #fff;
            background: var(--coral);
            transform: rotate(180deg);
        }

        .faq-button[aria-expanded="true"] .faq-symbol::after {
            transform: translate(-50%, -50%) rotate(0);
        }

        .faq-answer {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows 200ms ease, opacity 200ms ease;
            opacity: 0;
        }

        .faq-answer.open {
            grid-template-rows: 1fr;
            opacity: 1;
        }

        .faq-answer-inner {
            overflow: hidden;
        }

        .faq-answer p {
            margin: 0;
            padding: 0 48px 23px 0;
            color: var(--muted);
            line-height: 1.85;
        }

        .faq-aside {
            position: sticky;
            top: 100px;
            padding: 26px;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            background: var(--panel);
        }

        .faq-aside h3 {
            margin: 12px 0 8px;
            font-size: 21px;
        }

        .faq-aside p {
            margin: 0 0 18px;
            color: var(--muted);
            font-size: 14px;
        }

        .form-section {
            padding: 0 0 104px;
        }

        .form-shell {
            display: grid;
            grid-template-columns: 4fr 6fr;
            overflow: hidden;
            border: 1px solid #2D2B28;
            border-radius: var(--radius-feature);
            color: var(--white);
            background: var(--charcoal);
            box-shadow: var(--shadow);
        }

        .form-intro {
            padding: 48px;
            border-right: 1px solid rgba(246, 242, 234, .12);
        }

        .form-intro h2 {
            margin: 18px 0;
            font-size: clamp(32px, 4vw, 42px);
            line-height: 1.2;
            letter-spacing: -.04em;
        }

        .form-intro p {
            color: rgba(246, 242, 234, .63);
        }

        .privacy-note {
            margin-top: 28px;
            padding-top: 22px;
            border-top: 1px solid rgba(246, 242, 234, .12);
            color: rgba(246, 242, 234, .52);
            font-size: 13px;
        }

        .form-area {
            padding: 44px;
            background: #211F1C;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }

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

        .field label,
        .field legend {
            display: block;
            margin-bottom: 7px;
            color: rgba(246, 242, 234, .82);
            font-size: 13px;
            font-weight: 700;
        }

        .required {
            color: #FF8A79;
        }

        .field input,
        .field select,
        .field textarea {
            width: 100%;
            min-height: 48px;
            border: 1px solid rgba(246, 242, 234, .18);
            border-radius: 9px;
            outline: 0;
            color: var(--white);
            background: rgba(246, 242, 234, .055);
            transition: border-color 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
        }

        .field input,
        .field select {
            padding: 0 13px;
        }

        .field textarea {
            min-height: 116px;
            padding: 12px 13px;
            resize: vertical;
        }

        .field input::placeholder,
        .field textarea::placeholder {
            color: rgba(246, 242, 234, .34);
        }

        .field input:hover,
        .field select:hover,
        .field textarea:hover {
            border-color: rgba(246, 242, 234, .34);
        }

        .field input:focus,
        .field select:focus,
        .field textarea:focus {
            border-color: var(--coral);
            box-shadow: 0 0 0 3px rgba(230, 83, 63, .18);
            background: rgba(246, 242, 234, .075);
        }

        .field select option {
            color: var(--ink);
            background: var(--panel);
        }

        .check-row {
            grid-column: 1 / -1;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: rgba(246, 242, 234, .68);
            font-size: 13px;
        }

        .check-row input {
            width: 18px;
            height: 18px;
            flex: 0 0 auto;
            margin-top: 4px;
            accent-color: var(--coral);
        }

        .field-error {
            display: none;
            margin-top: 6px;
            color: #FFAA9E;
            font-size: 12px;
        }

        .field.invalid .field-error {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .field.invalid input,
        .field.invalid select,
        .field.invalid textarea {
            border-color: #FF8A79;
        }

        .form-bottom {
            grid-column: 1 / -1;
            display: flex;
            align-items: center;
            gap: 15px;
            margin-top: 4px;
        }

        .form-status {
            color: rgba(246, 242, 234, .66);
            font-size: 13px;
        }

        .form-status.success {
            color: #D8E995;
        }

        .spinner {
            width: 16px;
            height: 16px;
            display: none;
            border: 2px solid rgba(255, 255, 255, .4);
            border-top-color: #fff;
            border-radius: 50%;
            animation: spin .8s linear infinite;
        }

        .loading .spinner {
            display: block;
        }

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

        .site-footer {
            color: var(--white);
            background: var(--charcoal);
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.5fr .7fr .8fr;
            gap: 50px;
            padding: 62px 0 40px;
        }

        .footer-brand {
            max-width: 550px;
        }

        .footer-brand .brand {
            color: var(--white);
        }

        .footer-brand p {
            margin: 18px 0 0;
            color: rgba(246, 242, 234, .56);
        }

        .footer-group h2 {
            margin: 0 0 12px;
            color: rgba(246, 242, 234, .45);
            font-size: 13px;
            font-weight: 750;
        }

        .footer-link {
            min-height: 44px;
            display: flex;
            align-items: center;
            color: rgba(246, 242, 234, .74);
            font-size: 14px;
        }

        .footer-link:hover {
            color: var(--white);
            text-decoration: underline;
            text-underline-offset: 5px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 30px;
            padding: 22px 0 30px;
            border-top: 1px solid rgba(246, 242, 234, .11);
            color: rgba(246, 242, 234, .43);
            font-size: 12px;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--coral);
            outline-offset: 3px;
        }

        @media (max-width: 1024px) {
            .site-container {
                width: min(calc(100% - 48px), var(--container));
            }

            .hero-copy {
                grid-column: span 7;
                padding: 38px;
            }

            .metrics-panel {
                grid-column: span 5;
            }

            .feature-card.large,
            .feature-card.medium {
                grid-column: span 6;
            }

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

            .faq-aside {
                position: static;
                max-width: 620px;
            }

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

            .zone-card:first-child {
                grid-column: 1 / -1;
            }

            .form-intro,
            .form-area {
                padding: 36px;
            }
        }

        @media (max-width: 768px) {
            .site-container {
                width: min(calc(100% - 32px), var(--container));
            }

            .desktop-nav,
            .header-action {
                display: none;
            }

            .menu-toggle {
                display: inline-flex;
            }

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

            .brand-text {
                max-width: 218px;
            }

            .section-space {
                padding: 76px 0;
            }

            .hero {
                padding: 22px 0 76px;
            }

            .status-strip {
                align-items: flex-start;
                flex-wrap: wrap;
            }

            .countdown {
                order: 3;
                width: 100%;
            }

            .status-entry {
                margin-left: auto;
            }

            .hero-copy,
            .metrics-panel {
                grid-column: 1 / -1;
                min-height: auto;
            }

            .hero-copy {
                padding: 30px 24px;
            }

            .hero h1 {
                font-size: clamp(36px, 10vw, 48px);
            }

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

            .metrics-panel {
                padding: 24px;
            }

            .feature-card.large,
            .feature-card.medium,
            .feature-card.wide {
                grid-column: 1 / -1;
            }

            .feature-card.large {
                min-height: 450px;
            }

            .info-loop,
            .topic-zone {
                padding-top: 54px;
            }

            .news-item {
                grid-template-columns: 82px 1fr;
                padding: 14px 0;
            }

            .news-item svg {
                display: none;
            }

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

            .zone-card:first-child {
                grid-column: auto;
            }

            .compare-shell {
                grid-template-columns: 1fr;
            }

            .compare-side + .compare-side {
                border-top: 1px solid rgba(246, 242, 234, .14);
                border-left: 0;
            }

            .compare-side.recommended {
                box-shadow: inset 0 3px 0 var(--coral);
            }

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

            .form-intro {
                border-right: 0;
                border-bottom: 1px solid rgba(246, 242, 234, .12);
            }

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

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

        @media (max-width: 520px) {
            .site-container {
                width: min(calc(100% - 24px), var(--container));
            }

            .brand-text {
                max-width: 185px;
                font-size: 15px;
            }

            .brand-mark {
                width: 34px;
                height: 34px;
            }

            .status-main {
                width: calc(100% - 48px);
            }

            .status-note {
                display: none;
            }

            .hero-copy {
                padding: 26px 20px;
            }

            .hero h1 {
                font-size: 36px;
            }

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

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

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

            .section-title {
                font-size: 31px;
            }

            .feature-card {
                padding: 21px;
            }

            .subtitle-demo {
                right: 20px;
                bottom: 20px;
                left: 20px;
            }

            .news-item {
                grid-template-columns: 1fr;
                gap: 3px;
            }

            .compare-side {
                padding: 25px 20px;
            }

            .compare-row {
                grid-template-columns: 1fr;
                gap: 5px;
            }

            .faq-button {
                min-height: 68px;
            }

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

            .form-intro,
            .form-area {
                padding: 28px 20px;
            }

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

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

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

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

        @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: #F5F3EE;
            --panel: #FFFEFB;
            --ink: #25231F;
            --muted: #706C64;
            --line: #DDD8CF;
            --coral: #E6533F;
            --coral-dark: #CF4432;
            --lime: #B8CF55;
            --amber: #D99A3D;
            --charcoal: #191816;
            --white: #F6F2EA;
            --radius-sm: 8px;
            --radius-btn: 10px;
            --radius-card: 14px;
            --radius-feature: 20px;
            --shadow: 0 16px 38px rgba(43, 38, 31, .08);
            --shadow-small: 0 9px 24px rgba(43, 38, 31, .07);
            --container: 1240px;
        }

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

        html {
            scroll-behavior: smooth;
            background: var(--bg);
        }

        body {
            margin: 0;
            min-width: 320px;
            overflow-x: hidden;
            color: var(--ink);
            background:
                linear-gradient(rgba(221, 216, 207, .24) 1px, transparent 1px) 0 0 / 100% 88px,
                var(--bg);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            text-rendering: optimizeLegibility;
            -webkit-font-smoothing: antialiased;
        }

        body.menu-open {
            overflow: hidden;
        }

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

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

        button, select {
            cursor: pointer;
        }

        button:disabled, input:disabled, select:disabled, textarea:disabled {
            cursor: not-allowed;
            opacity: .56;
        }

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

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

        :focus-visible {
            outline: 2px solid var(--coral);
            outline-offset: 3px;
        }

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

        .site-container {
            width: min(calc(100% - 64px), var(--container));
            margin-inline: auto;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            border-bottom: 1px solid rgba(221, 216, 207, .9);
            background: rgba(255, 254, 251, .98);
            transition: box-shadow 200ms ease, border-color 200ms ease;
        }

        .site-header.scrolled {
            border-color: #CEC7BC;
            box-shadow: 0 8px 24px rgba(37, 35, 31, .06);
        }

        .nav-shell {
            min-height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            transition: min-height 200ms ease;
        }

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

        .brand {
            display: inline-flex;
            align-items: center;
            min-width: 0;
            gap: 12px;
            font-size: 17px;
            font-weight: 800;
            letter-spacing: -.02em;
        }

        .brand-mark {
            position: relative;
            width: 38px;
            height: 38px;
            flex: 0 0 auto;
            overflow: hidden;
            border: 1px solid #2C2925;
            border-radius: 11px;
            background: var(--charcoal);
        }

        .brand-mark::before,
        .brand-mark::after {
            position: absolute;
            left: 8px;
            right: 8px;
            height: 3px;
            border-radius: 10px;
            content: "";
        }

        .brand-mark::before {
            top: 11px;
            background: var(--coral);
            box-shadow: 0 7px 0 var(--white), 0 14px 0 var(--lime);
        }

        .brand-mark::after {
            top: 11px;
            left: 24px;
            right: auto;
            width: 5px;
            background: var(--coral);
        }

        .brand-text {
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
        }

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

        .nav-link {
            position: relative;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            padding: 0 14px;
            border-radius: var(--radius-sm);
            color: var(--muted);
            font-size: 15px;
            font-weight: 650;
            transition: color 180ms ease, background-color 180ms ease, transform 180ms ease;
        }

        .nav-link:hover {
            color: var(--ink);
            background: #F0EDE7;
        }

        .nav-link:active {
            transform: translateY(1px);
        }

        .nav-link.active {
            color: var(--ink);
        }

        .nav-link.active::after {
            position: absolute;
            right: 14px;
            bottom: 5px;
            left: 14px;
            height: 2px;
            border-radius: 10px;
            background: var(--coral);
            content: "";
        }

        .header-action,
        .button-primary,
        .button-secondary,
        .button-dark {
            min-height: 46px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            border: 1px solid transparent;
            border-radius: var(--radius-btn);
            padding: 0 18px;
            font-weight: 750;
            line-height: 1.2;
            transition: color 190ms ease, background-color 190ms ease, border-color 190ms ease, box-shadow 190ms ease, transform 190ms ease;
        }

        .header-action, .button-primary {
            color: #fff;
            background: var(--coral);
            box-shadow: 0 8px 18px rgba(230, 83, 63, .2);
        }

        .header-action:hover, .button-primary:hover {
            background: #EE604B;
            box-shadow: 0 11px 24px rgba(230, 83, 63, .26);
            transform: translateY(-1px);
        }

        .header-action:active, .button-primary:active {
            background: var(--coral-dark);
            box-shadow: none;
            transform: translateY(1px);
        }

        .button-secondary {
            border-color: #BDB6AB;
            background: rgba(255, 254, 251, .55);
        }

        .button-secondary:hover {
            border-color: var(--ink);
            background: var(--panel);
            transform: translateY(-1px);
        }

        .button-secondary:active {
            background: #EBE7E0;
            transform: translateY(1px);
        }

        .button-dark {
            border-color: #34312D;
            color: var(--white);
            background: var(--charcoal);
        }

        .button-dark:hover {
            border-color: var(--coral);
            background: #25231F;
            transform: translateY(-1px);
        }

        .menu-toggle {
            width: 46px;
            height: 46px;
            display: none;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--line);
            border-radius: var(--radius-btn);
            background: var(--panel);
            transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
        }

        .menu-toggle:hover {
            border-color: #AFA79C;
            background: #F0EDE7;
        }

        .menu-toggle:active {
            transform: scale(.97);
        }

        .drawer-backdrop {
            position: fixed;
            inset: 0;
            z-index: 70;
            visibility: hidden;
            background: rgba(25, 24, 22, .42);
            opacity: 0;
            transition: opacity 200ms ease, visibility 200ms ease;
        }

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

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            z-index: 80;
            width: min(88vw, 380px);
            height: 100%;
            padding: 20px;
            border-left: 1px solid var(--line);
            background: var(--panel);
            box-shadow: -20px 0 50px rgba(25, 24, 22, .14);
            transform: translateX(102%);
            transition: transform 220ms ease;
        }

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

        .drawer-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--line);
        }

        .drawer-close {
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--line);
            border-radius: var(--radius-btn);
            background: transparent;
        }

        .drawer-nav {
            display: grid;
            gap: 8px;
            padding: 22px 0;
        }

        .drawer-nav a {
            min-height: 50px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 14px;
            border-radius: 10px;
            color: var(--muted);
            font-weight: 700;
        }

        .drawer-nav a:hover,
        .drawer-nav a.active {
            color: var(--ink);
            background: #F0EDE7;
        }

        .breadcrumb-bar {
            border-bottom: 1px solid var(--line);
            background: rgba(255, 254, 251, .7);
        }

        .breadcrumb-inner {
            min-height: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .breadcrumbs {
            min-width: 0;
            display: flex;
            align-items: center;
            gap: 9px;
            color: var(--muted);
            font-size: 13px;
            white-space: nowrap;
        }

        .breadcrumbs a {
            transition: color 180ms ease;
        }

        .breadcrumbs a:hover {
            color: var(--coral);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .breadcrumbs .current {
            overflow: hidden;
            color: var(--ink);
            font-weight: 650;
            text-overflow: ellipsis;
        }

        .crumb-separator {
            color: #AAA298;
        }

        .back-link {
            flex: 0 0 auto;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--muted);
            font-size: 13px;
            font-weight: 700;
        }

        .back-link:hover {
            color: var(--coral);
        }

        main {
            display: block;
        }

        .category-heading {
            padding: 72px 0 52px;
        }

        .heading-grid {
            display: grid;
            grid-template-columns: minmax(0, 8fr) minmax(280px, 4fr);
            align-items: end;
            gap: 56px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 18px;
            color: var(--coral-dark);
            font-size: 13px;
            font-weight: 800;
            letter-spacing: .08em;
        }

        .eyebrow::before {
            width: 24px;
            height: 2px;
            border-radius: 10px;
            background: var(--coral);
            content: "";
        }

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

        .category-heading h1 {
            max-width: 830px;
            margin-bottom: 22px;
            font-size: clamp(36px, 5vw, 58px);
            line-height: 1.1;
            letter-spacing: -.055em;
            font-weight: 850;
        }

        .heading-copy {
            max-width: 760px;
            margin-bottom: 0;
            color: var(--muted);
            font-size: 17px;
            line-height: 1.8;
        }

        .profile-row {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 20px;
        }

        .profile-avatar {
            position: relative;
            width: 58px;
            height: 58px;
            flex: 0 0 auto;
            overflow: hidden;
            border-radius: 16px;
            background: var(--charcoal);
        }

        .profile-avatar::before {
            position: absolute;
            top: 14px;
            right: 11px;
            left: 11px;
            height: 4px;
            border-radius: 10px;
            background: var(--coral);
            box-shadow: 0 12px 0 var(--white), 0 24px 0 var(--lime);
            content: "";
        }

        .profile-name {
            display: block;
            font-weight: 800;
        }

        .profile-status {
            display: flex;
            align-items: center;
            gap: 7px;
            color: var(--muted);
            font-size: 13px;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--lime);
            box-shadow: 0 0 0 4px rgba(184, 207, 85, .18);
        }

        .summary-panel {
            padding: 24px;
            border: 1px solid #2E2C28;
            border-radius: var(--radius-feature);
            color: var(--white);
            background: var(--charcoal);
            box-shadow: var(--shadow);
        }

        .summary-label {
            margin-bottom: 15px;
            color: rgba(246, 242, 234, .62);
            font-size: 13px;
            font-weight: 700;
        }

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

        .summary-item {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            gap: 18px;
            padding-bottom: 13px;
            border-bottom: 1px solid rgba(246, 242, 234, .13);
        }

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

        .summary-item span {
            color: rgba(246, 242, 234, .67);
            font-size: 13px;
        }

        .summary-item strong {
            text-align: right;
            font-size: 15px;
            font-variant-numeric: tabular-nums;
        }

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

        .data-strip {
            padding-bottom: 42px;
        }

        .data-strip-inner {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            background: var(--panel);
        }

        .data-cell {
            min-height: 96px;
            padding: 20px 24px;
            border-right: 1px solid var(--line);
        }

        .data-cell:last-child {
            border-right: 0;
        }

        .data-cell span {
            display: block;
            color: var(--muted);
            font-size: 13px;
        }

        .data-cell strong {
            display: block;
            margin-top: 5px;
            font-size: 20px;
            line-height: 1.35;
            font-variant-numeric: tabular-nums;
        }

        .data-cell .coral {
            color: var(--coral-dark);
        }

        .filter-section {
            position: sticky;
            top: 68px;
            z-index: 40;
            padding: 12px 0;
            border-block: 1px solid var(--line);
            background: rgba(245, 243, 238, .98);
        }

        .filter-toolbar {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .filter-title {
            flex: 0 0 auto;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding-right: 16px;
            border-right: 1px solid var(--line);
            font-size: 14px;
            font-weight: 800;
        }

        .filter-groups {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
            flex: 1;
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 7px;
        }

        .filter-chip {
            min-height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 0 13px;
            color: var(--muted);
            background: var(--panel);
            font-size: 13px;
            font-weight: 700;
            white-space: nowrap;
            transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
        }

        .filter-chip:hover {
            color: var(--ink);
            border-color: #AFA79C;
        }

        .filter-chip:active {
            transform: translateY(1px);
        }

        .filter-chip.active {
            border-color: var(--coral);
            color: #fff;
            background: var(--coral);
        }

        .filter-select {
            min-height: 40px;
            margin-left: auto;
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 0 34px 0 12px;
            background: var(--panel);
            font-size: 13px;
            font-weight: 700;
        }

        .mobile-filter-button {
            min-height: 44px;
            display: none;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1px solid var(--line);
            border-radius: var(--radius-btn);
            padding: 0 16px;
            background: var(--panel);
            font-weight: 750;
        }

        .content-section {
            padding: 68px 0 42px;
        }

        .section-head {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 30px;
            margin-bottom: 28px;
        }

        .section-head h2,
        .faq-title h2 {
            margin-bottom: 8px;
            font-size: clamp(30px, 3.2vw, 40px);
            line-height: 1.2;
            letter-spacing: -.035em;
            font-weight: 850;
        }

        .section-head p,
        .faq-title p {
            margin-bottom: 0;
            color: var(--muted);
        }

        .result-count {
            flex: 0 0 auto;
            color: var(--muted);
            font-size: 14px;
        }

        .result-count strong {
            color: var(--coral-dark);
            font-size: 20px;
            font-variant-numeric: tabular-nums;
        }

        .content-layout {
            display: grid;
            grid-template-columns: minmax(0, 7fr) minmax(360px, 5fr);
            gap: 26px;
        }

        .feature-card {
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: var(--radius-feature);
            background: var(--panel);
            transition: border-color 200ms ease, box-shadow 200ms ease, transform 200ms ease;
        }

        .feature-card:hover {
            border-color: #BEB6AB;
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }

        .abstract-cover {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #24221F;
        }

        .abstract-cover::before {
            position: absolute;
            inset: 16% 9%;
            border: 1px solid rgba(246, 242, 234, .2);
            border-radius: 12px;
            content: "";
        }

        .cover-track {
            position: absolute;
            right: 13%;
            left: 13%;
            height: 6px;
            border-radius: 20px;
            background: rgba(246, 242, 234, .82);
        }

        .cover-track.one {
            top: 34%;
            right: 34%;
        }

        .cover-track.two {
            top: 48%;
            left: 25%;
            background: var(--coral);
        }

        .cover-track.three {
            top: 62%;
            right: 23%;
            background: var(--lime);
        }

        .cover-progress {
            position: absolute;
            right: 11%;
            bottom: 11%;
            left: 11%;
            height: 3px;
            overflow: hidden;
            border-radius: 10px;
            background: rgba(246, 242, 234, .2);
        }

        .cover-progress::before {
            display: block;
            width: 58%;
            height: 100%;
            border-radius: inherit;
            background: var(--coral);
            content: "";
        }

        .cover-label {
            position: absolute;
            top: 10%;
            left: 8%;
            padding: 5px 9px;
            border: 1px solid rgba(246, 242, 234, .18);
            border-radius: 7px;
            color: var(--white);
            background: rgba(25, 24, 22, .72);
            font-size: 12px;
            font-weight: 750;
        }

        .feature-body {
            padding: 28px;
        }

        .tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }

        .badge {
            min-height: 26px;
            display: inline-flex;
            align-items: center;
            border: 1px solid var(--line);
            border-radius: 7px;
            padding: 2px 9px;
            color: var(--muted);
            background: #F4F1EB;
            font-size: 12px;
            font-weight: 750;
        }

        .badge.coral {
            border-color: rgba(230, 83, 63, .28);
            color: var(--coral-dark);
            background: rgba(230, 83, 63, .08);
        }

        .badge.lime {
            border-color: rgba(139, 160, 55, .28);
            color: #647421;
            background: rgba(184, 207, 85, .14);
        }

        .feature-body h3 {
            margin-bottom: 13px;
            font-size: 26px;
            line-height: 1.35;
            letter-spacing: -.025em;
            font-weight: 820;
        }

        .feature-body p {
            margin-bottom: 22px;
            color: var(--muted);
        }

        .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 18px;
            border-top: 1px solid var(--line);
        }

        .updated {
            color: var(--muted);
            font-size: 13px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--ink);
            font-weight: 800;
            transition: color 180ms ease, transform 180ms ease;
        }

        .text-link:hover {
            color: var(--coral);
            text-decoration: underline;
            text-underline-offset: 5px;
        }

        .text-link:active {
            transform: translateX(2px);
        }

        .compact-list {
            display: grid;
            align-content: start;
            gap: 14px;
        }

        .list-card {
            display: grid;
            grid-template-columns: 128px minmax(0, 1fr);
            gap: 17px;
            min-height: 142px;
            padding: 14px;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            background: var(--panel);
            transition: border-color 200ms ease, box-shadow 200ms ease, transform 200ms ease;
        }

        .list-card:hover {
            border-color: #BEB6AB;
            box-shadow: var(--shadow-small);
            transform: translateY(-2px);
        }

        .mini-cover {
            position: relative;
            width: 128px;
            height: 112px;
            overflow: hidden;
            border-radius: 10px;
            background: #272521;
        }

        .mini-cover::before,
        .mini-cover::after {
            position: absolute;
            right: 14px;
            left: 14px;
            height: 4px;
            border-radius: 10px;
            content: "";
        }

        .mini-cover::before {
            top: 34px;
            background: var(--white);
            box-shadow: 0 16px 0 var(--coral);
        }

        .mini-cover::after {
            top: 66px;
            right: 32px;
            background: var(--lime);
        }

        .mini-cover.amber::after {
            background: var(--amber);
        }

        .mini-cover.coral::after {
            background: var(--coral);
        }

        .list-card-body {
            min-width: 0;
        }

        .list-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            margin-bottom: 7px;
            color: var(--muted);
            font-size: 12px;
        }

        .list-card h3 {
            display: -webkit-box;
            overflow: hidden;
            margin-bottom: 7px;
            font-size: 17px;
            line-height: 1.45;
            font-weight: 800;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
        }

        .list-card h3 a:hover {
            color: var(--coral);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .list-card p {
            display: -webkit-box;
            overflow: hidden;
            margin-bottom: 0;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.65;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
        }

        .state-panel {
            display: none;
            grid-column: 1 / -1;
            min-height: 300px;
            place-items: center;
            padding: 40px;
            border: 1px dashed #BFB7AC;
            border-radius: var(--radius-feature);
            text-align: center;
            background: var(--panel);
        }

        .state-panel.visible {
            display: grid;
        }

        .state-icon {
            width: 58px;
            height: 58px;
            display: grid;
            place-items: center;
            margin: 0 auto 16px;
            border-radius: 16px;
            color: var(--coral);
            background: rgba(230, 83, 63, .1);
        }

        .state-panel h3 {
            margin-bottom: 8px;
            font-size: 22px;
        }

        .state-panel p {
            max-width: 460px;
            margin: 0 auto 20px;
            color: var(--muted);
        }

        .pagination-wrap {
            padding: 22px 0 82px;
        }

        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .page-link {
            min-width: 44px;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--line);
            border-radius: 9px;
            padding: 0 13px;
            color: var(--muted);
            background: var(--panel);
            font-size: 14px;
            font-weight: 750;
            transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
        }

        .page-link:hover {
            color: var(--ink);
            border-color: #AFA79C;
            transform: translateY(-1px);
        }

        .page-link:active {
            transform: translateY(1px);
        }

        .page-link.current {
            border-color: var(--coral);
            color: #fff;
            background: var(--coral);
        }

        .page-link.disabled {
            pointer-events: none;
            opacity: .48;
        }

        .faq-section {
            padding: 84px 0 96px;
            border-top: 1px solid var(--line);
            background: rgba(255, 254, 251, .54);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: minmax(250px, 4fr) minmax(0, 8fr);
            gap: 64px;
            align-items: start;
        }

        .faq-title {
            position: sticky;
            top: 150px;
        }

        .notice-card {
            margin-top: 24px;
            padding: 20px;
            border: 1px solid #33302C;
            border-radius: var(--radius-card);
            color: var(--white);
            background: var(--charcoal);
        }

        .notice-card strong {
            display: block;
            margin-bottom: 7px;
        }

        .notice-card p {
            margin-bottom: 15px;
            color: rgba(246, 242, 234, .68);
            font-size: 14px;
        }

        .notice-card a {
            color: var(--lime);
            font-weight: 750;
        }

        .notice-card a:hover {
            text-decoration: underline;
            text-underline-offset: 4px;
        }

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

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

        .faq-question {
            width: 100%;
            min-height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            border: 0;
            padding: 18px 4px;
            text-align: left;
            background: transparent;
            font-size: 17px;
            font-weight: 800;
        }

        .faq-question:hover {
            color: var(--coral-dark);
        }

        .faq-icon {
            position: relative;
            width: 28px;
            height: 28px;
            flex: 0 0 auto;
            border: 1px solid var(--line);
            border-radius: 8px;
            transition: border-color 200ms ease, background-color 200ms ease, transform 200ms ease;
        }

        .faq-icon::before,
        .faq-icon::after {
            position: absolute;
            top: 50%;
            left: 50%;
            width: 12px;
            height: 2px;
            border-radius: 4px;
            background: currentColor;
            content: "";
            transform: translate(-50%, -50%);
        }

        .faq-icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
            transition: transform 200ms ease;
        }

        .faq-question[aria-expanded="true"] .faq-icon {
            border-color: var(--coral);
            color: #fff;
            background: var(--coral);
        }

        .faq-question[aria-expanded="true"] .faq-icon::after {
            transform: translate(-50%, -50%) rotate(0);
        }

        .faq-answer {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows 200ms ease;
        }

        .faq-answer.open {
            grid-template-rows: 1fr;
        }

        .faq-answer-inner {
            overflow: hidden;
        }

        .faq-answer p {
            max-width: 760px;
            margin-bottom: 0;
            padding: 0 48px 22px 4px;
            color: var(--muted);
            line-height: 1.8;
        }

        .request-note {
            margin-top: 28px;
            padding: 22px;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            background: var(--panel);
        }

        .request-note h3 {
            margin-bottom: 7px;
            font-size: 18px;
        }

        .request-note p {
            margin-bottom: 16px;
            color: var(--muted);
            font-size: 14px;
        }

        .site-footer {
            padding: 70px 0 26px;
            color: var(--white);
            background: var(--charcoal);
        }

        .footer-main {
            display: grid;
            grid-template-columns: minmax(300px, 2fr) 1fr 1fr;
            gap: 70px;
            padding-bottom: 52px;
        }

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

        .footer-brand p {
            max-width: 570px;
            margin-bottom: 0;
            color: rgba(246, 242, 234, .64);
            font-size: 14px;
        }

        .footer-group h2 {
            margin-bottom: 13px;
            color: var(--white);
            font-size: 14px;
            font-weight: 800;
        }

        .footer-link {
            min-height: 40px;
            display: flex;
            align-items: center;
            color: rgba(246, 242, 234, .66);
            font-size: 14px;
            transition: color 180ms ease, transform 180ms ease;
        }

        .footer-link:hover {
            color: var(--white);
            text-decoration: underline;
            text-underline-offset: 5px;
            transform: translateX(2px);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            padding-top: 24px;
            border-top: 1px solid rgba(246, 242, 234, .13);
            color: rgba(246, 242, 234, .52);
            font-size: 13px;
        }

        .filter-sheet-backdrop {
            position: fixed;
            inset: 0;
            z-index: 90;
            visibility: hidden;
            background: rgba(25, 24, 22, .4);
            opacity: 0;
            transition: opacity 200ms ease, visibility 200ms ease;
        }

        .filter-sheet-backdrop.open {
            visibility: visible;
            opacity: 1;
        }

        .filter-sheet {
            position: absolute;
            right: 0;
            bottom: 0;
            left: 0;
            padding: 20px 18px 28px;
            border-radius: 20px 20px 0 0;
            background: var(--panel);
            transform: translateY(102%);
            transition: transform 220ms ease;
        }

        .filter-sheet-backdrop.open .filter-sheet {
            transform: translateY(0);
        }

        .sheet-handle {
            width: 42px;
            height: 4px;
            margin: 0 auto 18px;
            border-radius: 10px;
            background: #C8C1B7;
        }

        .sheet-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 18px;
        }

        .sheet-head h2 {
            margin: 0;
            font-size: 20px;
        }

        .sheet-close {
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--line);
            border-radius: 10px;
            background: transparent;
        }

        .sheet-group {
            margin-bottom: 20px;
        }

        .sheet-label {
            display: block;
            margin-bottom: 9px;
            color: var(--muted);
            font-size: 13px;
            font-weight: 750;
        }

        .sheet-options {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sheet-apply {
            width: 100%;
            margin-top: 5px;
        }

        @media (max-width: 1024px) {
            .site-container {
                width: min(calc(100% - 48px), var(--container));
            }

            .heading-grid {
                grid-template-columns: minmax(0, 7fr) minmax(270px, 5fr);
                gap: 34px;
            }

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

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

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

            .data-cell:nth-child(2) {
                border-right: 0;
            }

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

            .faq-layout {
                grid-template-columns: minmax(230px, 4fr) minmax(0, 8fr);
                gap: 40px;
            }

            .footer-main {
                gap: 42px;
            }

            .filter-groups {
                overflow-x: auto;
                padding: 2px 1px 7px;
                scrollbar-width: thin;
            }
        }

        @media (max-width: 768px) {
            .site-container {
                width: min(calc(100% - 32px), var(--container));
            }

            .desktop-nav,
            .header-action {
                display: none;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .nav-shell {
                min-height: 68px;
                gap: 12px;
            }

            .brand {
                max-width: calc(100vw - 100px);
                font-size: 15px;
            }

            .brand-mark {
                width: 36px;
                height: 36px;
            }

            .breadcrumb-inner {
                min-height: 50px;
            }

            .back-link {
                display: none;
            }

            .breadcrumbs {
                width: 100%;
            }

            .category-heading {
                padding: 48px 0 36px;
            }

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

            .category-heading h1 {
                margin-bottom: 17px;
                font-size: clamp(36px, 10vw, 46px);
            }

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

            .summary-panel {
                padding: 21px;
            }

            .filter-section {
                top: 67px;
            }

            .filter-toolbar {
                justify-content: space-between;
            }

            .filter-title {
                border-right: 0;
                padding-right: 0;
            }

            .filter-groups,
            .filter-select {
                display: none;
            }

            .mobile-filter-button {
                display: inline-flex;
            }

            .content-section {
                padding-top: 52px;
            }

            .section-head {
                align-items: start;
                flex-direction: column;
                gap: 12px;
            }

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

            .pagination-wrap {
                padding-bottom: 66px;
            }

            .faq-section {
                padding: 66px 0 72px;
            }

            .faq-layout {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .faq-title {
                position: static;
            }

            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 36px 24px;
            }

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

            .footer-bottom {
                align-items: flex-start;
                flex-direction: column;
                gap: 9px;
            }
        }

        @media (max-width: 520px) {
            .site-container {
                width: min(calc(100% - 28px), var(--container));
            }

            .brand-text {
                max-width: 215px;
            }

            .category-heading h1 {
                font-size: 36px;
                letter-spacing: -.045em;
            }

            .profile-row {
                align-items: flex-start;
            }

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

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

            .data-cell:last-child {
                border-bottom: 0;
            }

            .feature-body {
                padding: 21px;
            }

            .feature-body h3 {
                font-size: 22px;
            }

            .card-footer {
                align-items: flex-start;
                flex-direction: column;
            }

            .list-card {
                grid-template-columns: 112px minmax(0, 1fr);
                gap: 13px;
                padding: 12px;
            }

            .mini-cover {
                width: 112px;
                height: 104px;
            }

            .page-link:nth-of-type(4) {
                display: none;
            }

            .page-link {
                min-width: 42px;
                min-height: 42px;
                padding: 0 10px;
            }

            .faq-question {
                min-height: 68px;
                gap: 14px;
                font-size: 16px;
            }

            .faq-answer p {
                padding-right: 8px;
            }

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

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

            .site-footer {
                padding-top: 56px;
            }
        }

        @media (max-width: 419px) {
            .brand-text {
                max-width: 188px;
            }

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

            .mini-cover {
                width: 100%;
                height: auto;
                aspect-ratio: 16 / 7;
            }

            .list-card p {
                -webkit-line-clamp: 3;
            }
        }

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

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