/* roulang page: index */
:root {
            --color-bg: #171217;
            --color-bg-deep: #100c11;
            --color-surface: #211a21;
            --color-surface-raised: #2a2029;
            --color-surface-soft: #33262f;
            --color-primary: #ed765e;
            --color-primary-hover: #f18b75;
            --color-primary-dark: #b84e43;
            --color-secondary: #8d617f;
            --color-accent: #d9bc73;
            --color-accent-soft: rgba(217, 188, 115, .12);
            --color-text: #fff8f2;
            --color-text-soft: #e9ddd9;
            --color-muted: #afa1aa;
            --color-border: rgba(255, 235, 221, .13);
            --color-border-strong: rgba(255, 235, 221, .24);
            --color-success: #79c49a;
            --color-warning: #e7b45d;
            --color-limit: #d77686;
            --color-info: #8fb5c2;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-pill: 999px;
            --shadow-soft: 0 16px 42px rgba(18, 8, 14, .24);
            --shadow-card: 0 10px 30px rgba(12, 5, 9, .18);
            --container: 1220px;
            --transition: 180ms ease;
        }

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

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

        body {
            margin: 0;
            min-width: 320px;
            overflow-x: hidden;
            color: var(--color-text);
            background:
                radial-gradient(circle at 12% 5%, rgba(141, 97, 127, .18), transparent 25rem),
                radial-gradient(circle at 88% 24%, rgba(237, 118, 94, .09), transparent 23rem),
                linear-gradient(180deg, #181218 0%, var(--color-bg) 45%, #120e13 100%);
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.72;
            -webkit-font-smoothing: antialiased;
        }

        body::before {
            position: fixed;
            inset: 0;
            z-index: -1;
            pointer-events: none;
            content: "";
            opacity: .18;
            background-image:
                linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
            background-size: 42px 42px;
            mask-image: linear-gradient(to bottom, black, transparent 80%);
        }

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

        h1, h2, h3 {
            color: var(--color-text);
            font-weight: 750;
            line-height: 1.18;
            letter-spacing: -.025em;
        }

        h1 {
            margin-bottom: 20px;
            font-size: clamp(2.65rem, 5.5vw, 4rem);
        }

        h2 {
            margin-bottom: 14px;
            font-size: clamp(1.85rem, 3.6vw, 2.5rem);
        }

        h3 {
            margin-bottom: 10px;
            font-size: clamp(1.15rem, 2vw, 1.42rem);
        }

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

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

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

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

        button {
            cursor: pointer;
        }

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

        ::selection {
            color: #1b1013;
            background: var(--color-primary);
        }

        :focus-visible {
            outline: 3px solid rgba(217, 188, 115, .78);
            outline-offset: 3px;
        }

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

        .narrow-container {
            width: min(calc(100% - 40px), 940px);
            margin-inline: auto;
        }

        .section {
            position: relative;
            padding: 86px 0;
        }

        .section-compact {
            padding: 52px 0;
        }

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

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

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
            color: var(--color-accent);
            font-size: .78rem;
            font-weight: 750;
            letter-spacing: .12em;
        }

        .eyebrow::before {
            width: 22px;
            height: 2px;
            content: "";
            border-radius: 2px;
            background: currentColor;
        }

        .badge-label {
            display: inline-flex;
            min-height: 28px;
            align-items: center;
            gap: 7px;
            padding: 4px 10px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            color: var(--color-text-soft);
            background: rgba(255,255,255,.035);
            font-size: .75rem;
            font-weight: 700;
            white-space: nowrap;
        }

        .badge-label::before {
            width: 7px;
            height: 7px;
            flex: 0 0 auto;
            content: "";
            border-radius: 50%;
            background: var(--color-info);
            box-shadow: 0 0 0 4px rgba(143,181,194,.1);
        }

        .badge-label.update::before { background: var(--color-success); }
        .badge-label.warning::before { background: var(--color-warning); }
        .badge-label.limit::before { background: var(--color-limit); }
        .badge-label.recommend::before { background: var(--color-primary); }

        .button {
            display: inline-flex;
            min-height: 48px;
            align-items: center;
            justify-content: center;
            gap: 9px;
            margin: 0;
            padding: 12px 20px;
            border: 1px solid transparent;
            border-radius: var(--radius-pill);
            color: #241317;
            background: var(--color-primary);
            font-size: .94rem;
            font-weight: 800;
            line-height: 1;
            box-shadow: 0 8px 22px rgba(237, 118, 94, .17);
            transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

        .button:hover {
            color: #201013;
            background: var(--color-primary-hover);
            box-shadow: 0 12px 28px rgba(237, 118, 94, .25);
            transform: translateY(-2px);
        }

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

        .button.hollow {
            color: var(--color-text);
            border-color: var(--color-border-strong);
            background: rgba(255,255,255,.035);
            box-shadow: none;
        }

        .button.hollow:hover {
            border-color: rgba(237,118,94,.65);
            background: rgba(237,118,94,.1);
        }

        .button.text-button {
            min-height: 42px;
            padding-inline: 8px;
            color: var(--color-accent);
            background: transparent;
            box-shadow: none;
        }

        .button.text-button:hover {
            color: #efd48f;
            transform: translateX(3px);
        }

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

        .site-header {
            position: relative;
            z-index: 30;
            height: 108px;
            padding-top: 18px;
        }

        .dock {
            position: fixed;
            top: 18px;
            left: 50%;
            z-index: 50;
            display: flex;
            width: min(calc(100% - 32px), 1120px);
            min-height: 70px;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding: 10px 12px 10px 18px;
            border: 1px solid var(--color-border);
            border-radius: 24px;
            background: rgba(31, 23, 30, .9);
            box-shadow: 0 18px 50px rgba(8, 3, 7, .34), inset 0 1px rgba(255,255,255,.04);
            backdrop-filter: blur(18px);
            transform: translateX(-50%);
        }

        .brand {
            display: flex;
            min-width: 220px;
            align-items: center;
            gap: 11px;
        }

        .brand-mark {
            position: relative;
            display: grid;
            width: 42px;
            height: 42px;
            flex: 0 0 auto;
            place-items: center;
            overflow: hidden;
            border: 1px solid rgba(237,118,94,.45);
            border-radius: 13px;
            color: #241317;
            background: var(--color-primary);
            font-size: 1rem;
            font-weight: 900;
        }

        .brand-mark::after {
            position: absolute;
            right: -9px;
            bottom: -9px;
            width: 24px;
            height: 24px;
            content: "";
            border: 5px solid rgba(255,255,255,.28);
            border-radius: 50%;
        }

        .brand-copy {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-copy strong {
            font-size: .98rem;
            letter-spacing: .01em;
        }

        .brand-copy small {
            margin-top: 4px;
            color: var(--color-muted);
            font-size: .68rem;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .desktop-nav a {
            position: relative;
            display: flex;
            min-height: 44px;
            align-items: center;
            padding: 0 16px;
            border-radius: var(--radius-pill);
            color: var(--color-muted);
            font-size: .9rem;
            font-weight: 700;
        }

        .desktop-nav a:hover {
            color: var(--color-text);
            background: rgba(255,255,255,.05);
        }

        .desktop-nav a.active {
            color: var(--color-text);
            background: var(--color-surface-soft);
        }

        .desktop-nav a.active::after {
            position: absolute;
            bottom: 6px;
            left: 50%;
            width: 18px;
            height: 2px;
            content: "";
            border-radius: 2px;
            background: var(--color-primary);
            transform: translateX(-50%);
        }

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

        .icon-button {
            display: grid;
            width: 46px;
            height: 46px;
            place-items: center;
            border: 1px solid var(--color-border);
            border-radius: 50%;
            color: var(--color-text);
            background: rgba(255,255,255,.035);
        }

        .icon-button:hover {
            border-color: rgba(237,118,94,.55);
            background: rgba(237,118,94,.1);
        }

        .menu-toggle {
            display: none;
        }

        .mobile-menu {
            position: fixed;
            top: 96px;
            right: 16px;
            left: 16px;
            z-index: 49;
            display: none;
            padding: 12px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            background: rgba(35,26,34,.98);
            box-shadow: var(--shadow-soft);
        }

        .mobile-menu.is-open {
            display: grid;
            gap: 7px;
        }

        .mobile-menu a {
            display: flex;
            min-height: 48px;
            align-items: center;
            padding: 0 15px;
            border-radius: 12px;
            color: var(--color-text-soft);
            font-weight: 700;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-text);
            background: var(--color-surface-soft);
        }

        .search-panel {
            position: fixed;
            inset: 0;
            z-index: 80;
            display: none;
            align-items: flex-start;
            justify-content: center;
            padding: 120px 20px 20px;
            background: rgba(10,7,10,.76);
            backdrop-filter: blur(12px);
        }

        .search-panel.is-open {
            display: flex;
        }

        .search-box {
            width: min(100%, 680px);
            padding: 22px;
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-lg);
            background: var(--color-surface);
            box-shadow: var(--shadow-soft);
        }

        .search-box-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 14px;
        }

        .search-box-top strong {
            font-size: 1.12rem;
        }

        .search-close {
            color: var(--color-muted);
            border: 0;
            background: transparent;
            font-size: 1.5rem;
        }

        .search-row {
            display: flex;
            gap: 10px;
        }

        .hero {
            padding: 36px 0 64px;
        }

        .hero-stage {
            position: relative;
            overflow: hidden;
            padding: 58px clamp(24px, 6vw, 76px) 32px;
            border: 1px solid var(--color-border);
            border-radius: 30px;
            background:
                linear-gradient(115deg, rgba(141,97,127,.19), transparent 42%),
                linear-gradient(300deg, rgba(237,118,94,.12), transparent 36%),
                var(--color-surface);
            box-shadow: var(--shadow-soft), inset 0 1px rgba(255,255,255,.04);
        }

        .hero-stage::before,
        .hero-stage::after {
            position: absolute;
            content: "";
            pointer-events: none;
        }

        .hero-stage::before {
            top: 22px;
            right: 22px;
            width: 156px;
            height: 156px;
            border: 1px solid rgba(237,118,94,.2);
            border-radius: 50%;
            box-shadow: 0 0 0 24px rgba(237,118,94,.025), 0 0 0 48px rgba(237,118,94,.018);
        }

        .hero-stage::after {
            right: 0;
            bottom: 70px;
            left: 0;
            height: 1px;
            opacity: .7;
            background: repeating-linear-gradient(90deg, transparent 0 13px, var(--color-border) 13px 20px);
        }

        .hero-copy {
            position: relative;
            z-index: 2;
            max-width: 900px;
        }

        .hero-copy h1 span {
            color: var(--color-primary);
        }

        .hero-copy > p {
            max-width: 790px;
            margin-bottom: 25px;
            color: #dacdd1;
            font-size: clamp(1rem, 1.6vw, 1.12rem);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 11px;
        }

        .filter-demo {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 1.1fr 1fr 1fr auto;
            gap: 10px;
            margin-top: 52px;
            padding: 13px;
            border: 1px solid var(--color-border);
            border-radius: 18px;
            background: rgba(17,12,17,.72);
            backdrop-filter: blur(8px);
        }

        .demo-field {
            min-width: 0;
            padding: 10px 13px;
            border-right: 1px solid var(--color-border);
        }

        .demo-field:last-of-type {
            border-right: 0;
        }

        .demo-field small {
            display: block;
            margin-bottom: 2px;
            color: var(--color-muted);
            font-size: .72rem;
        }

        .demo-field strong {
            display: block;
            overflow: hidden;
            font-size: .9rem;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .notice-strip {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-top: 16px;
            padding: 13px 16px;
            border: 1px solid rgba(231,180,93,.24);
            border-radius: 14px;
            color: #dfd1c5;
            background: rgba(231,180,93,.07);
            font-size: .84rem;
        }

        .notice-strip strong {
            flex: 0 0 auto;
            color: var(--color-warning);
        }

        .metrics-section {
            padding-top: 28px;
        }

        .metrics-rail {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            overflow: hidden;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            background: var(--color-surface);
            box-shadow: var(--shadow-card);
        }

        .metric-item {
            position: relative;
            min-height: 164px;
            padding: 22px 20px;
            border-right: 1px dashed var(--color-border-strong);
        }

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

        .metric-item::after {
            position: absolute;
            top: 50%;
            right: -7px;
            z-index: 2;
            width: 14px;
            height: 14px;
            content: "";
            border: 1px solid var(--color-border);
            border-radius: 50%;
            background: var(--color-bg);
            transform: translateY(-50%);
        }

        .metric-item:last-child::after {
            display: none;
        }

        .metric-value {
            display: block;
            margin: 18px 0 5px;
            color: var(--color-text);
            font-size: clamp(1.45rem, 2.7vw, 2.1rem);
            font-weight: 800;
            line-height: 1;
        }

        .metric-name {
            color: var(--color-text-soft);
            font-size: .88rem;
            font-weight: 750;
        }

        .metric-note {
            display: block;
            margin-top: 7px;
            color: var(--color-muted);
            font-size: .75rem;
        }

        .assurance-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
            margin-top: 16px;
        }

        .assurance-item {
            display: flex;
            min-height: 66px;
            align-items: center;
            gap: 11px;
            padding: 12px 15px;
            border: 1px solid var(--color-border);
            border-radius: 14px;
            background: rgba(255,255,255,.025);
        }

        .assurance-icon {
            display: grid;
            width: 34px;
            height: 34px;
            flex: 0 0 auto;
            place-items: center;
            border-radius: 10px;
            color: var(--color-accent);
            background: var(--color-accent-soft);
            font-weight: 900;
        }

        .assurance-item strong {
            display: block;
            font-size: .85rem;
        }

        .assurance-item small {
            color: var(--color-muted);
            font-size: .72rem;
        }

        .matrix-shell {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 18px;
        }

        .matrix-primary,
        .matrix-side,
        .news-panel {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            background: var(--color-surface);
            box-shadow: var(--shadow-card);
        }

        .matrix-primary {
            display: grid;
            grid-template-columns: 1fr 1fr;
            overflow: hidden;
        }

        .entry-card {
            position: relative;
            min-height: 238px;
            padding: 25px;
            border-right: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            transition: background var(--transition), transform var(--transition);
        }

        .entry-card:nth-child(2n) {
            border-right: 0;
        }

        .entry-card:nth-last-child(-n+2) {
            border-bottom: 0;
        }

        .entry-card:hover {
            background: var(--color-surface-raised);
        }

        .entry-number {
            display: block;
            margin-bottom: 28px;
            color: var(--color-secondary);
            font-size: .78rem;
            font-weight: 800;
            letter-spacing: .14em;
        }

        .entry-card p {
            min-height: 52px;
            margin-bottom: 17px;
            color: var(--color-muted);
            font-size: .9rem;
        }

        .tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 7px;
            margin-bottom: 18px;
        }

        .tag {
            display: inline-flex;
            min-height: 28px;
            align-items: center;
            padding: 4px 9px;
            border: 1px solid var(--color-border);
            border-radius: 8px;
            color: var(--color-muted);
            background: rgba(255,255,255,.025);
            font-size: .72rem;
        }

        .tag:hover {
            color: var(--color-text);
            border-color: var(--color-border-strong);
        }

        .inline-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--color-accent);
            font-size: .86rem;
            font-weight: 750;
        }

        .inline-link:hover {
            gap: 11px;
            color: #efd58f;
        }

        .matrix-side {
            display: flex;
            flex-direction: column;
            padding: 25px;
        }

        .matrix-side-head {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 18px;
        }

        .topic-list {
            margin: 0;
            list-style: none;
        }

        .topic-list li + li {
            border-top: 1px solid var(--color-border);
        }

        .topic-list a {
            display: grid;
            grid-template-columns: 44px 1fr auto;
            min-height: 76px;
            align-items: center;
            gap: 12px;
        }

        .topic-list a:hover {
            padding-inline: 5px;
            background: rgba(255,255,255,.025);
        }

        .topic-index {
            display: grid;
            width: 38px;
            height: 38px;
            place-items: center;
            border-radius: 11px;
            color: var(--color-primary);
            background: rgba(237,118,94,.1);
            font-size: .75rem;
            font-weight: 850;
        }

        .topic-copy strong {
            display: block;
            font-size: .9rem;
        }

        .topic-copy small {
            color: var(--color-muted);
            font-size: .73rem;
        }

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

        .news-panel {
            grid-column: 1 / -1;
            display: grid;
            grid-template-columns: 1.35fr .65fr;
            overflow: hidden;
        }

        .news-main {
            padding: 25px;
        }

        .news-list {
            margin: 0;
            list-style: none;
        }

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

        .news-list a {
            display: grid;
            grid-template-columns: 92px 1fr auto;
            min-height: 68px;
            align-items: center;
            gap: 14px;
        }

        .news-list a:hover {
            padding-inline: 7px;
            background: rgba(255,255,255,.025);
        }

        .news-date {
            color: var(--color-muted);
            font-size: .75rem;
        }

        .news-title {
            font-size: .9rem;
            font-weight: 700;
        }

        .news-state {
            color: var(--color-success);
            font-size: .72rem;
        }

        .news-aside {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 25px;
            border-left: 1px dashed var(--color-border-strong);
            background:
                radial-gradient(circle at 100% 0, rgba(237,118,94,.17), transparent 13rem),
                var(--color-surface-raised);
        }

        .news-aside p {
            color: var(--color-muted);
            font-size: .87rem;
        }

        .compare-stage {
            position: relative;
            display: grid;
            grid-template-columns: 1fr 72px 1fr;
            align-items: stretch;
        }

        .compare-card {
            min-height: 390px;
            padding: 28px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            background: var(--color-surface);
            box-shadow: var(--shadow-card);
        }

        .compare-card.focused {
            border-color: rgba(237,118,94,.36);
            background:
                linear-gradient(145deg, rgba(237,118,94,.08), transparent 54%),
                var(--color-surface-raised);
        }

        .compare-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 22px;
        }

        .compare-title h3 {
            margin-bottom: 0;
        }

        .field-list {
            margin: 0;
            list-style: none;
        }

        .field-list li {
            display: flex;
            min-height: 58px;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--color-border);
            color: var(--color-text-soft);
            font-size: .88rem;
        }

        .status-dot {
            width: 10px;
            height: 10px;
            flex: 0 0 auto;
            border: 2px solid var(--color-muted);
            border-radius: 50%;
        }

        .focused .status-dot {
            border-color: var(--color-success);
            background: var(--color-success);
            box-shadow: 0 0 0 5px rgba(121,196,154,.1);
        }

        .compare-bridge {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .bridge-icon {
            display: grid;
            width: 46px;
            height: 46px;
            place-items: center;
            border: 1px solid var(--color-border-strong);
            border-radius: 50%;
            color: var(--color-primary);
            background: var(--color-bg);
            font-weight: 900;
        }

        .steps-track {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0;
            margin-top: 22px;
            overflow: hidden;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            background: rgba(255,255,255,.025);
        }

        .step-item {
            position: relative;
            padding: 21px;
            border-right: 1px dashed var(--color-border-strong);
        }

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

        .step-item b {
            display: block;
            margin-bottom: 7px;
            color: var(--color-primary);
            font-size: .75rem;
        }

        .step-item strong {
            display: block;
            margin-bottom: 4px;
            font-size: .94rem;
        }

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

        .faq-wrap {
            display: grid;
            grid-template-columns: .72fr 1.28fr;
            gap: 42px;
            align-items: start;
        }

        .faq-intro {
            position: sticky;
            top: 118px;
        }

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

        .accordion {
            margin: 0;
            border: 0;
            background: transparent;
        }

        .accordion-item {
            margin-bottom: 11px;
            overflow: hidden;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            background: var(--color-surface);
        }

        .accordion-title {
            display: flex;
            min-height: 66px;
            align-items: center;
            padding: 16px 54px 16px 19px;
            border: 0;
            color: var(--color-text);
            font-size: .95rem;
            font-weight: 750;
        }

        .accordion-title:hover,
        .accordion-title:focus {
            color: var(--color-text);
            background: var(--color-surface-raised);
        }

        .accordion-title::before {
            top: 50%;
            right: 20px;
            margin-top: -12px;
            color: var(--color-primary);
            font-size: 1.3rem;
        }

        :last-child:not(.is-active) > .accordion-title {
            border-bottom: 0;
        }

        .accordion-content {
            padding: 0 20px 20px;
            border: 0;
            color: var(--color-muted);
            background: var(--color-surface-raised);
            font-size: .9rem;
        }

        .accordion-content p {
            margin: 0;
            color: var(--color-muted);
        }

        .form-shell {
            display: grid;
            grid-template-columns: 1.25fr .75fr;
            overflow: hidden;
            border: 1px solid var(--color-border-strong);
            border-radius: 26px;
            background: var(--color-surface);
            box-shadow: var(--shadow-soft);
        }

        .form-main {
            padding: clamp(26px, 5vw, 52px);
        }

        .form-intro {
            max-width: 680px;
            margin-bottom: 27px;
        }

        .form-intro p {
            margin-bottom: 0;
            color: var(--color-muted);
        }

        .field-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 17px;
        }

        .form-field {
            margin-bottom: 17px;
        }

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

        label {
            display: block;
            margin-bottom: 7px;
            color: var(--color-text-soft);
            font-size: .82rem;
            font-weight: 750;
        }

        input[type="text"],
        input[type="email"],
        select,
        textarea {
            width: 100%;
            height: 50px;
            margin: 0;
            padding: 0 14px;
            border: 1px solid var(--color-border);
            border-radius: 12px;
            color: var(--color-text);
            background: var(--color-surface-soft);
            box-shadow: none;
            transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
        }

        textarea {
            min-height: 120px;
            padding-top: 13px;
            resize: vertical;
        }

        input::placeholder,
        textarea::placeholder {
            color: #82757d;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-primary);
            background: #392a34;
            box-shadow: 0 0 0 4px rgba(237,118,94,.1);
        }

        select {
            padding-right: 32px;
            background-color: var(--color-surface-soft);
            background-image: none;
        }

        select option {
            color: var(--color-text);
            background: var(--color-surface);
        }

        .check-line {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin: 2px 0 20px;
            color: var(--color-muted);
            font-size: .8rem;
        }

        .check-line input {
            width: 18px;
            height: 18px;
            flex: 0 0 auto;
            margin-top: 3px;
            accent-color: var(--color-primary);
        }

        .form-status {
            display: none;
            margin-top: 14px;
            padding: 11px 13px;
            border: 1px solid rgba(121,196,154,.3);
            border-radius: 11px;
            color: #bce1ca;
            background: rgba(121,196,154,.08);
            font-size: .84rem;
        }

        .form-status.is-visible {
            display: block;
        }

        .form-aside {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: clamp(26px, 4vw, 42px);
            border-left: 1px dashed var(--color-border-strong);
            background:
                radial-gradient(circle at 100% 10%, rgba(141,97,127,.28), transparent 17rem),
                var(--color-surface-raised);
        }

        .process-list {
            margin: 22px 0 0;
            list-style: none;
        }

        .process-list li {
            position: relative;
            min-height: 70px;
            padding-left: 42px;
        }

        .process-list li::before {
            position: absolute;
            top: 2px;
            left: 0;
            display: grid;
            width: 28px;
            height: 28px;
            place-items: center;
            content: attr(data-step);
            border: 1px solid rgba(237,118,94,.35);
            border-radius: 9px;
            color: var(--color-primary);
            background: rgba(237,118,94,.08);
            font-size: .72rem;
            font-weight: 800;
        }

        .process-list li:not(:last-child)::after {
            position: absolute;
            top: 34px;
            bottom: 4px;
            left: 13px;
            width: 1px;
            content: "";
            background: var(--color-border);
        }

        .process-list strong {
            display: block;
            font-size: .88rem;
        }

        .process-list span {
            color: var(--color-muted);
            font-size: .75rem;
        }

        .privacy-card {
            padding: 14px;
            border: 1px solid rgba(217,188,115,.2);
            border-radius: 13px;
            color: var(--color-muted);
            background: var(--color-accent-soft);
            font-size: .76rem;
        }

        .final-cta {
            padding: 0 0 78px;
        }

        .cta-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            padding: 27px 30px;
            border: 1px solid rgba(237,118,94,.28);
            border-radius: var(--radius-lg);
            background:
                linear-gradient(100deg, rgba(237,118,94,.12), transparent 50%),
                var(--color-surface);
        }

        .cta-bar h2 {
            margin-bottom: 5px;
            font-size: clamp(1.4rem, 3vw, 2rem);
        }

        .cta-bar p {
            margin-bottom: 0;
            color: var(--color-muted);
            font-size: .88rem;
        }

        .site-footer {
            padding: 58px 0 26px;
            border-top: 1px solid var(--color-border);
            background: rgba(11,8,11,.58);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr .7fr .7fr 1fr;
            gap: 38px;
        }

        .footer-brand p {
            max-width: 400px;
            margin: 18px 0;
            color: var(--color-muted);
            font-size: .86rem;
        }

        .footer-title {
            display: block;
            margin-bottom: 14px;
            color: var(--color-text);
            font-size: .84rem;
            font-weight: 800;
        }

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

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

        .footer-links a,
        .footer-links span {
            color: var(--color-muted);
            font-size: .8rem;
        }

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

        .footer-note {
            padding: 15px;
            border: 1px solid var(--color-border);
            border-radius: 13px;
            color: var(--color-muted);
            background: rgba(255,255,255,.025);
            font-size: .75rem;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            margin-top: 38px;
            padding-top: 22px;
            border-top: 1px solid var(--color-border);
            color: #877a82;
            font-size: .74rem;
        }

        @media (max-width: 1024px) {
            .desktop-nav {
                display: none;
            }

            .menu-toggle {
                display: grid;
            }

            .dock {
                width: min(calc(100% - 24px), 900px);
            }

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

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

            .metric-item:nth-child(-n+3) {
                border-bottom: 1px dashed var(--color-border-strong);
            }

            .metric-item:nth-child(3)::after {
                display: none;
            }

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

            .news-panel {
                grid-column: auto;
            }

            .faq-wrap {
                grid-template-columns: .85fr 1.15fr;
                gap: 26px;
            }

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

            .form-aside {
                border-top: 1px dashed var(--color-border-strong);
                border-left: 0;
            }

            .footer-grid {
                grid-template-columns: 1.3fr .7fr .7fr;
            }

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

        @media (max-width: 768px) {
            .section {
                padding: 66px 0;
            }

            .site-header {
                height: 98px;
            }

            .dock {
                top: 12px;
                min-height: 66px;
                padding-left: 12px;
                border-radius: 20px;
            }

            .brand {
                min-width: 0;
            }

            .brand-copy small {
                display: none;
            }

            .dock .nav-cta {
                display: none;
            }

            .hero {
                padding-top: 18px;
            }

            .hero-stage {
                padding: 40px 24px 24px;
                border-radius: 24px;
            }

            .filter-demo {
                grid-template-columns: 1fr 1fr;
                margin-top: 38px;
            }

            .demo-field {
                border-right: 0;
                border-bottom: 1px solid var(--color-border);
            }

            .filter-demo .button {
                grid-column: 1 / -1;
            }

            .section-heading {
                display: block;
            }

            .metrics-rail {
                display: flex;
                overflow-x: auto;
                scroll-snap-type: x mandatory;
                scrollbar-width: thin;
            }

            .metric-item {
                min-width: 230px;
                flex: 0 0 46%;
                border-bottom: 0 !important;
                scroll-snap-align: start;
            }

            .metric-item:nth-child(3) {
                border-right: 1px dashed var(--color-border-strong);
            }

            .metric-item:nth-child(3)::after {
                display: block;
            }

            .assurance-bar {
                grid-template-columns: 1fr 1fr;
            }

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

            .news-aside {
                border-top: 1px dashed var(--color-border-strong);
                border-left: 0;
            }

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

            .compare-bridge {
                min-height: 70px;
            }

            .bridge-icon {
                transform: rotate(90deg);
            }

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

            .faq-intro {
                position: static;
            }

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

            .step-item {
                border-right: 0;
                border-bottom: 1px dashed var(--color-border-strong);
            }

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

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

            .footer-brand,
            .footer-grid > :last-child {
                grid-column: 1 / -1;
            }

            .cta-bar {
                display: block;
            }

            .cta-bar .button {
                margin-top: 18px;
            }
        }

        @media (max-width: 640px) {
            .site-container,
            .narrow-container {
                width: min(calc(100% - 28px), var(--container));
            }

            body {
                font-size: 15px;
            }

            h1 {
                font-size: clamp(2.3rem, 11vw, 3.2rem);
            }

            .brand-copy strong {
                max-width: 145px;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }

            .nav-tools .icon-button:not(.menu-toggle) {
                display: none;
            }

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

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

            .notice-strip {
                display: block;
            }

            .notice-strip strong {
                display: block;
                margin-bottom: 4px;
            }

            .metric-item {
                flex-basis: 72%;
            }

            .assurance-bar {
                grid-template-columns: 1fr;
            }

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

            .entry-card,
            .entry-card:nth-child(2n),
            .entry-card:nth-last-child(-n+2) {
                min-height: 0;
                border-right: 0;
                border-bottom: 1px solid var(--color-border);
            }

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

            .topic-list a {
                grid-template-columns: 40px 1fr;
            }

            .topic-arrow {
                display: none;
            }

            .news-list a {
                grid-template-columns: 1fr auto;
                gap: 6px 12px;
                padding: 12px 0;
            }

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

            .compare-card {
                min-height: 0;
                padding: 22px;
            }

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

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

            .form-main,
            .form-aside {
                padding: 24px 19px;
            }

            .search-row {
                display: grid;
            }

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

            .footer-brand,
            .footer-grid > :last-child {
                grid-column: auto;
            }

            .footer-bottom {
                display: block;
            }

            .footer-bottom span {
                display: block;
                margin-top: 7px;
            }
        }

        @media (max-width: 520px) {
            .brand-mark {
                width: 38px;
                height: 38px;
            }

            .hero-stage {
                padding-inline: 19px;
            }

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

            .filter-demo .button {
                grid-column: auto;
            }

            .metric-item {
                flex-basis: 83%;
            }

            .cta-bar {
                padding: 22px 19px;
            }
        }

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

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

/* roulang page: category1 */
:root {
 --color-bg: #171217;
 --color-bg-deep: #100c11;
 --color-surface: #211a21;
 --color-surface-raised: #2a2029;
 --color-surface-soft: #33262f;
 --color-primary: #ed765e;
 --color-primary-hover: #f18b75;
 --color-primary-dark: #b84e43;
 --color-secondary: #8d617f;
 --color-accent: #d9bc73;
 --color-accent-soft: rgba(217, 188, 115, .12);
 --color-text: #fff8f2;
 --color-text-soft: #e9ddd9;
 --color-muted: #afa1aa;
 --color-border: rgba(255, 235, 221, .13);
 --color-border-strong: rgba(255, 235, 221, .24);
 --color-success: #79c49a;
 --color-warning: #e7b45d;
 --color-limit: #d77686;
 --color-info: #8fb5c2;
 --radius-sm: 10px;
 --radius-md: 16px;
 --radius-lg: 22px;
 --radius-pill: 999px;
 --shadow-soft: 0 16px 42px rgba(18, 8, 14, .24);
 --shadow-card: 0 10px 30px rgba(12, 5, 9, .18);
 --container: 1220px;
 --transition: 180ms ease;
}
*,
*::before,
*::after { box-sizing: border-box; }
html {
 scroll-behavior: smooth;
 background: var(--color-bg-deep);
}
body {
 margin: 0;
 min-width: 320px;
 overflow-x: hidden;
 color: var(--color-text);
 background:
  radial-gradient(circle at 12% 5%, rgba(141, 97, 127, .18), transparent 25rem),
  radial-gradient(circle at 88% 24%, rgba(237, 118, 94, .09), transparent 23rem),
  linear-gradient(180deg, #181218 0%, var(--color-bg) 45%, #120e13 100%);
 font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
 font-size: 16px;
 line-height: 1.72;
 -webkit-font-smoothing: antialiased;
}
body::before {
 position: fixed;
 inset: 0;
 z-index: -1;
 pointer-events: none;
 content: "";
 opacity: .18;
 background-image:
  linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
  linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
 background-size: 42px 42px;
 mask-image: linear-gradient(to bottom, black, transparent 80%);
}
body.menu-open { overflow: hidden; }
a {
 color: inherit;
 text-decoration: none;
 transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
img {
 display: block;
 max-width: 100%;
}
ul { margin: 0; }
.site-container {
 width: min(calc(100% - 40px), var(--container));
 margin-inline: auto;
}
.narrow-container {
 width: min(calc(100% - 40px), 940px);
 margin-inline: auto;
}
.skip-link {
 position: fixed;
 top: 8px;
 left: 12px;
 z-index: 2000;
 padding: 10px 16px;
 border-radius: var(--radius-pill);
 color: #241317;
 background: var(--color-accent);
 transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
.section {
 position: relative;
 padding: 82px 0;
}
.section-compact { padding: 50px 0; }
.section-heading {
 display: flex;
 align-items: end;
 justify-content: space-between;
 gap: 28px;
 margin-bottom: 30px;
}
.section-heading p {
 max-width: 650px;
 margin: 0;
 color: var(--color-muted);
}
.section-heading h2,
.detail-copy h2,
.cta-panel h2 {
 margin: 0;
 color: var(--color-text);
 font-size: clamp(1.8rem, 3vw, 2.55rem);
 line-height: 1.2;
 letter-spacing: -.03em;
}
.eyebrow {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 margin-bottom: 14px;
 color: var(--color-accent);
 font-size: .78rem;
 font-weight: 750;
 letter-spacing: .12em;
}
.eyebrow::before {
 width: 22px;
 height: 2px;
 content: "";
 border-radius: 2px;
 background: currentColor;
}
.badge-label {
 display: inline-flex;
 min-height: 28px;
 align-items: center;
 gap: 7px;
 padding: 4px 10px;
 border: 1px solid var(--color-border);
 border-radius: var(--radius-pill);
 color: var(--color-text-soft);
 background: rgba(255,255,255,.035);
 font-size: .75rem;
 font-weight: 700;
 white-space: nowrap;
}
.badge-label::before {
 width: 7px;
 height: 7px;
 flex: 0 0 auto;
 content: "";
 border-radius: 50%;
 background: var(--color-info);
 box-shadow: 0 0 0 4px rgba(143,181,194,.1);
}
.badge-label.update::before { background: var(--color-success); }
.badge-label.warning::before { background: var(--color-warning); }
.badge-label.limit::before { background: var(--color-limit); }
.badge-label.recommend::before { background: var(--color-primary); }
.button {
 display: inline-flex;
 min-height: 48px;
 align-items: center;
 justify-content: center;
 gap: 9px;
 margin: 0;
 padding: 12px 20px;
 border: 1px solid transparent;
 border-radius: var(--radius-pill);
 color: #241317;
 background: var(--color-primary);
 font-size: .94rem;
 font-weight: 800;
 line-height: 1;
 box-shadow: 0 8px 22px rgba(237, 118, 94, .17);
 transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition);
}
.button:hover,
.button:focus {
 color: #201013;
 background: var(--color-primary-hover);
 transform: translateY(-2px);
 box-shadow: 0 12px 28px rgba(237, 118, 94, .25);
}
.button:active {
 transform: translateY(0);
 box-shadow: 0 5px 14px rgba(237, 118, 94, .14);
}
.button.hollow {
 color: var(--color-text);
 border-color: var(--color-border-strong);
 background: rgba(255,255,255,.025);
 box-shadow: none;
}
.button.hollow:hover,
.button.hollow:focus {
 color: var(--color-text);
 border-color: var(--color-primary);
 background: rgba(237,118,94,.1);
}
.button:disabled {
 cursor: not-allowed;
 opacity: .45;
 transform: none;
 box-shadow: none;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
 outline: 3px solid rgba(217,188,115,.55);
 outline-offset: 3px;
}

/* 浮动导航 */
.site-header {
 position: relative;
 z-index: 1000;
 height: 104px;
 padding-top: 20px;
}
.dock {
 position: fixed;
 top: 18px;
 left: 50%;
 display: flex;
 width: min(calc(100% - 40px), 1180px);
 min-height: 70px;
 align-items: center;
 justify-content: space-between;
 gap: 20px;
 padding: 10px 12px 10px 16px;
 border: 1px solid var(--color-border);
 border-radius: 24px;
 background: rgba(28,21,28,.91);
 box-shadow: var(--shadow-soft);
 backdrop-filter: blur(18px);
 transform: translateX(-50%);
}
.brand {
 display: inline-flex;
 min-width: 0;
 align-items: center;
 gap: 11px;
}
.brand-mark {
 display: grid;
 width: 42px;
 height: 42px;
 flex: 0 0 auto;
 place-items: center;
 border: 1px solid rgba(237,118,94,.34);
 border-radius: 13px;
 color: #251318;
 background: linear-gradient(145deg, var(--color-primary), #d9a16e);
 font-weight: 900;
 box-shadow: inset 0 1px rgba(255,255,255,.3);
}
.brand-copy {
 display: flex;
 min-width: 0;
 flex-direction: column;
 line-height: 1.2;
}
.brand-copy strong {
 overflow: hidden;
 color: var(--color-text);
 font-size: .98rem;
 text-overflow: ellipsis;
 white-space: nowrap;
}
.brand-copy small {
 margin-top: 4px;
 color: var(--color-muted);
 font-size: .68rem;
 letter-spacing: .06em;
}
.desktop-nav {
 display: flex;
 align-items: center;
 gap: 6px;
 padding: 5px;
 border: 1px solid rgba(255,255,255,.055);
 border-radius: var(--radius-pill);
 background: rgba(255,255,255,.025);
}
.desktop-nav a {
 position: relative;
 padding: 10px 16px;
 border-radius: var(--radius-pill);
 color: var(--color-muted);
 font-size: .88rem;
 font-weight: 700;
}
.desktop-nav a:hover {
 color: var(--color-text);
 background: rgba(255,255,255,.045);
}
.desktop-nav a.active {
 color: var(--color-text);
 background: var(--color-surface-soft);
}
.desktop-nav a.active::after {
 position: absolute;
 right: 16px;
 bottom: 5px;
 left: 16px;
 height: 2px;
 content: "";
 border-radius: 2px;
 background: var(--color-primary);
}
.nav-tools {
 display: flex;
 align-items: center;
 gap: 8px;
}
.icon-button {
 display: grid;
 width: 44px;
 height: 44px;
 place-items: center;
 border: 1px solid var(--color-border);
 border-radius: 50%;
 color: var(--color-text);
 background: rgba(255,255,255,.035);
 font-size: 1.25rem;
 transition: var(--transition);
}
.icon-button:hover {
 border-color: var(--color-primary);
 background: rgba(237,118,94,.11);
 transform: translateY(-1px);
}
.nav-cta {
 min-height: 44px;
 padding-inline: 17px;
}
.menu-toggle { display: none; }
.mobile-menu {
 position: fixed;
 top: 96px;
 right: 20px;
 left: 20px;
 z-index: 990;
 display: none;
 padding: 14px;
 border: 1px solid var(--color-border);
 border-radius: var(--radius-lg);
 background: rgba(33,26,33,.98);
 box-shadow: var(--shadow-soft);
}
.mobile-menu.open {
 display: grid;
 gap: 8px;
}
.mobile-menu > a {
 min-height: 46px;
 padding: 10px 14px;
 border-radius: var(--radius-sm);
 color: var(--color-muted);
 font-weight: 750;
}
.mobile-menu > a:hover,
.mobile-menu > a.active {
 color: var(--color-text);
 background: var(--color-surface-soft);
}

/* 窄幅标题区 */
.page-intro { padding: 38px 0 42px; }
.intro-shell {
 position: relative;
 overflow: hidden;
 padding: 38px 42px;
 border: 1px solid var(--color-border);
 border-radius: var(--radius-lg);
 background:
  linear-gradient(105deg, rgba(51,38,47,.92), rgba(33,26,33,.94)),
  var(--color-surface);
 box-shadow: var(--shadow-card);
}
.intro-shell::after {
 position: absolute;
 top: -75px;
 right: -40px;
 width: 250px;
 height: 250px;
 content: "";
 border: 42px solid rgba(237,118,94,.07);
 border-radius: 50%;
}
.breadcrumbs-custom {
 position: relative;
 z-index: 1;
 display: flex;
 flex-wrap: wrap;
 gap: 7px;
 align-items: center;
 margin-bottom: 22px;
 color: var(--color-muted);
 font-size: .82rem;
}
.breadcrumbs-custom a:hover { color: var(--color-primary-hover); }
.breadcrumbs-custom span[aria-hidden="true"] { color: var(--color-secondary); }
.intro-grid {
 position: relative;
 z-index: 1;
 display: grid;
 grid-template-columns: minmax(0, 1.65fr) minmax(260px, .65fr);
 gap: 38px;
 align-items: end;
}
.intro-copy h1 {
 max-width: 820px;
 margin: 0 0 14px;
 font-size: clamp(2.55rem, 5vw, 4.1rem);
 line-height: 1.08;
 letter-spacing: -.045em;
}
.intro-copy p {
 max-width: 760px;
 margin: 0;
 color: var(--color-text-soft);
 font-size: 1.02rem;
}
.intro-meta {
 display: grid;
 gap: 10px;
 padding-left: 24px;
 border-left: 1px dashed var(--color-border-strong);
}
.meta-row {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 18px;
 padding-bottom: 9px;
 border-bottom: 1px solid var(--color-border);
 color: var(--color-muted);
 font-size: .82rem;
}
.meta-row strong {
 color: var(--color-text);
 font-size: .88rem;
}
.compliance-strip {
 display: flex;
 align-items: center;
 gap: 13px;
 margin-top: 24px;
 padding: 13px 15px;
 border: 1px solid rgba(215,118,134,.26);
 border-radius: var(--radius-md);
 color: var(--color-text-soft);
 background: rgba(215,118,134,.065);
 font-size: .86rem;
}
.compliance-icon {
 display: grid;
 width: 31px;
 height: 31px;
 flex: 0 0 auto;
 place-items: center;
 border-radius: 50%;
 color: var(--color-limit);
 background: rgba(215,118,134,.14);
 font-weight: 900;
}

/* 筛选索引 */
.index-layout {
 display: grid;
 grid-template-columns: 280px minmax(0, 1fr);
 gap: 26px;
 align-items: start;
}
.filter-panel {
 position: sticky;
 top: 112px;
 padding: 22px;
 border: 1px solid var(--color-border);
 border-radius: var(--radius-lg);
 background: rgba(33,26,33,.9);
 box-shadow: var(--shadow-card);
}
.filter-top {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 12px;
 margin-bottom: 20px;
}
.filter-top h2 {
 margin: 0;
 font-size: 1.25rem;
}
.clear-filter {
 padding: 5px 0;
 border: 0;
 color: var(--color-primary-hover);
 background: transparent;
 font-size: .78rem;
 font-weight: 750;
}
.clear-filter:hover { color: var(--color-accent); }
.filter-group {
 margin-top: 20px;
 padding-top: 19px;
 border-top: 1px solid var(--color-border);
}
.filter-group:first-of-type {
 margin-top: 0;
 padding-top: 0;
 border-top: 0;
}
.filter-label {
 display: block;
 margin-bottom: 11px;
 color: var(--color-text-soft);
 font-size: .83rem;
 font-weight: 800;
}
.check-row {
 display: flex;
 min-height: 42px;
 align-items: center;
 gap: 10px;
 margin: 2px 0;
 padding: 7px 9px;
 border-radius: var(--radius-sm);
 color: var(--color-muted);
 cursor: pointer;
 transition: background var(--transition), color var(--transition);
}
.check-row:hover {
 color: var(--color-text);
 background: rgba(255,255,255,.035);
}
.check-row input {
 width: 17px;
 height: 17px;
 margin: 0;
 accent-color: var(--color-primary);
}
.select-control,
.search-control {
 width: 100%;
 height: 46px;
 margin: 0;
 padding: 0 13px;
 border: 1px solid var(--color-border);
 border-radius: var(--radius-sm);
 color: var(--color-text);
 background-color: var(--color-surface-soft);
 box-shadow: none;
}
.select-control:focus,
.search-control:focus {
 border-color: var(--color-accent);
 background-color: var(--color-surface-soft);
 box-shadow: 0 0 0 3px rgba(217,188,115,.12);
}
.index-main { min-width: 0; }
.index-toolbar {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 18px;
 margin-bottom: 17px;
 padding: 14px 17px;
 border: 1px solid var(--color-border);
 border-radius: var(--radius-md);
 background: rgba(255,255,255,.025);
}
.result-count {
 color: var(--color-muted);
 font-size: .88rem;
}
.result-count strong {
 color: var(--color-text);
 font-size: 1.05rem;
}
.active-filters {
 display: flex;
 flex-wrap: wrap;
 justify-content: flex-end;
 gap: 7px;
}
.filter-chip {
 padding: 5px 10px;
 border: 1px solid rgba(237,118,94,.22);
 border-radius: var(--radius-pill);
 color: var(--color-primary-hover);
 background: rgba(237,118,94,.07);
 font-size: .74rem;
}
.index-group { margin-bottom: 28px; }
.group-header {
 display: flex;
 align-items: center;
 gap: 12px;
 margin: 0 0 13px;
}
.group-header h2 {
 margin: 0;
 font-size: 1rem;
 letter-spacing: .04em;
}
.group-code {
 color: var(--color-accent);
 font-size: .72rem;
 font-weight: 850;
}
.index-list {
 display: grid;
 gap: 13px;
}
.index-card {
 position: relative;
 display: grid;
 grid-template-columns: 62px minmax(0, 1fr) auto;
 gap: 18px;
 align-items: center;
 min-height: 150px;
 padding: 21px 22px;
 overflow: hidden;
 border: 1px solid var(--color-border);
 border-radius: var(--radius-lg);
 background: var(--color-surface);
 box-shadow: var(--shadow-card);
 transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.index-card::before {
 position: absolute;
 top: 0;
 bottom: 0;
 left: 0;
 width: 3px;
 content: "";
 background: var(--color-secondary);
}
.index-card.featured {
 min-height: 184px;
 background:
  linear-gradient(115deg, rgba(237,118,94,.075), transparent 46%),
  var(--color-surface-raised);
}
.index-card.featured::before { background: var(--color-primary); }
.index-card:hover {
 border-color: var(--color-border-strong);
 background-color: var(--color-surface-raised);
 transform: translateY(-2px);
}
.card-number {
 display: grid;
 width: 52px;
 height: 52px;
 place-items: center;
 border: 1px dashed var(--color-border-strong);
 border-radius: 50%;
 color: var(--color-accent);
 background: var(--color-accent-soft);
 font-size: .8rem;
 font-weight: 850;
}
.card-copy { min-width: 0; }
.card-head {
 display: flex;
 flex-wrap: wrap;
 align-items: center;
 gap: 8px;
 margin-bottom: 9px;
}
.card-copy h3 {
 margin: 0 0 7px;
 color: var(--color-text);
 font-size: clamp(1.08rem, 2vw, 1.35rem);
 line-height: 1.3;
}
.card-copy p {
 max-width: 660px;
 margin: 0;
 color: var(--color-muted);
 font-size: .9rem;
}
.card-meta {
 display: flex;
 flex-wrap: wrap;
 gap: 13px;
 margin-top: 13px;
 color: var(--color-muted);
 font-size: .76rem;
}
.card-meta span {
 display: inline-flex;
 align-items: center;
 gap: 6px;
}
.card-meta span::before {
 width: 4px;
 height: 4px;
 content: "";
 border-radius: 50%;
 background: var(--color-secondary);
}
.card-action {
 display: grid;
 gap: 10px;
 justify-items: end;
}
.text-action {
 display: inline-flex;
 min-height: 42px;
 align-items: center;
 gap: 8px;
 padding: 8px 13px;
 border: 1px solid var(--color-border);
 border-radius: var(--radius-pill);
 color: var(--color-text-soft);
 font-size: .82rem;
 font-weight: 800;
 white-space: nowrap;
}
.text-action:hover {
 color: var(--color-text);
 border-color: var(--color-primary);
 background: rgba(237,118,94,.08);
}
.empty-state {
 display: none;
 padding: 40px 24px;
 border: 1px dashed var(--color-border-strong);
 border-radius: var(--radius-lg);
 color: var(--color-muted);
 text-align: center;
 background: rgba(255,255,255,.02);
}
.empty-state strong {
 display: block;
 margin-bottom: 6px;
 color: var(--color-text);
 font-size: 1.1rem;
}

/* 浏览说明 */
.guide-panel {
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 0;
 overflow: hidden;
 border: 1px solid var(--color-border);
 border-radius: var(--radius-lg);
 background: var(--color-surface);
 box-shadow: var(--shadow-card);
}
.guide-main {
 padding: 36px;
 background:
  radial-gradient(circle at 0 100%, rgba(141,97,127,.2), transparent 55%),
  var(--color-surface-raised);
}
.guide-main h2 {
 margin: 0 0 12px;
 font-size: clamp(1.7rem, 3vw, 2.35rem);
}
.guide-main p {
 margin: 0;
 color: var(--color-muted);
}
.guide-rules {
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 1px;
 background: var(--color-border);
}
.rule-item {
 min-height: 142px;
 padding: 23px;
 background: var(--color-surface);
}
.rule-icon {
 display: grid;
 width: 34px;
 height: 34px;
 margin-bottom: 12px;
 place-items: center;
 border-radius: 10px;
 color: var(--color-accent);
 background: var(--color-accent-soft);
 font-size: .82rem;
 font-weight: 900;
}
.rule-item strong {
 display: block;
 margin-bottom: 5px;
 color: var(--color-text-soft);
}
.rule-item span {
 color: var(--color-muted);
 font-size: .82rem;
 line-height: 1.55;
}

/* 可扩展详情预览 */
.detail-preview {
 display: grid;
 grid-template-columns: .82fr 1.18fr;
 overflow: hidden;
 border: 1px solid var(--color-border);
 border-radius: var(--radius-lg);
 background: var(--color-surface);
 box-shadow: var(--shadow-card);
}
.abstract-cover {
 position: relative;
 min-height: 360px;
 overflow: hidden;
 background:
  radial-gradient(circle at 72% 28%, rgba(237,118,94,.44), transparent 24%),
  linear-gradient(145deg, #3b2937 0 42%, #211922 42% 58%, #6e4354 58% 73%, #241c25 73%);
}
.abstract-cover::before,
.abstract-cover::after {
 position: absolute;
 content: "";
 border: 1px solid rgba(255,248,242,.2);
}
.abstract-cover::before {
 inset: 38px;
 border-radius: 50%;
}
.abstract-cover::after {
 top: 50%;
 left: 50%;
 width: 220px;
 height: 84px;
 border-radius: var(--radius-pill);
 transform: translate(-50%,-50%) rotate(-18deg);
}
.cover-caption {
 position: absolute;
 right: 20px;
 bottom: 20px;
 left: 20px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 10px;
 padding: 13px 15px;
 border: 1px solid rgba(255,255,255,.14);
 border-radius: var(--radius-md);
 background: rgba(20,13,18,.7);
 backdrop-filter: blur(10px);
}
.cover-caption span {
 color: var(--color-text-soft);
 font-size: .8rem;
 font-weight: 750;
}
.detail-copy { padding: 38px; }
.detail-copy p {
 margin: 14px 0 20px;
 color: var(--color-muted);
}
.detail-fields {
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 10px;
 margin: 24px 0;
}
.detail-field {
 padding: 13px 15px;
 border: 1px solid var(--color-border);
 border-radius: var(--radius-sm);
 background: rgba(255,255,255,.025);
}
.detail-field small {
 display: block;
 color: var(--color-muted);
}
.detail-field strong {
 color: var(--color-text-soft);
 font-size: .9rem;
}
.detail-nav {
 display: flex;
 flex-wrap: wrap;
 gap: 10px;
 margin-top: 22px;
}

/* FAQ */
.faq-list {
 display: grid;
 gap: 11px;
}
.faq-item {
 overflow: hidden;
 border: 1px solid var(--color-border);
 border-radius: var(--radius-md);
 background: var(--color-surface);
 transition: border-color var(--transition), background var(--transition);
}
.faq-item:hover { border-color: var(--color-border-strong); }
.faq-question {
 display: flex;
 width: 100%;
 min-height: 62px;
 align-items: center;
 justify-content: space-between;
 gap: 20px;
 padding: 16px 20px;
 border: 0;
 color: var(--color-text);
 background: transparent;
 text-align: left;
 font-weight: 800;
}
.faq-symbol {
 display: grid;
 width: 30px;
 height: 30px;
 flex: 0 0 auto;
 place-items: center;
 border: 1px solid var(--color-border);
 border-radius: 50%;
 color: var(--color-primary);
 transition: transform var(--transition), background var(--transition);
}
.faq-item.is-open {
 border-color: rgba(237,118,94,.3);
 background: var(--color-surface-raised);
}
.faq-item.is-open .faq-symbol {
 color: #261316;
 background: var(--color-primary);
 transform: rotate(45deg);
}
.faq-answer {
 display: none;
 padding: 0 20px 19px;
 color: var(--color-muted);
}
.faq-item.is-open .faq-answer { display: block; }
.faq-answer p { margin: 0; }

/* CTA */
.cta-panel {
 position: relative;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 32px;
 overflow: hidden;
 padding: 37px 40px;
 border: 1px solid rgba(237,118,94,.22);
 border-radius: var(--radius-lg);
 background:
  radial-gradient(circle at 90% 0, rgba(237,118,94,.16), transparent 40%),
  var(--color-surface-raised);
 box-shadow: var(--shadow-card);
}
.cta-panel::after {
 position: absolute;
 right: 26%;
 bottom: -70px;
 width: 150px;
 height: 150px;
 content: "";
 border: 28px solid rgba(217,188,115,.055);
 border-radius: 50%;
}
.cta-panel p {
 max-width: 650px;
 margin: 10px 0 0;
 color: var(--color-muted);
}
.cta-actions {
 position: relative;
 z-index: 1;
 display: flex;
 flex: 0 0 auto;
 gap: 10px;
}

/* 搜索弹层 */
.search-overlay {
 position: fixed;
 inset: 0;
 z-index: 1500;
 display: none;
 place-items: start center;
 padding: 110px 20px 30px;
 background: rgba(9,6,9,.8);
 backdrop-filter: blur(12px);
}
.search-overlay.open { display: grid; }
.search-dialog {
 width: min(100%, 680px);
 padding: 24px;
 border: 1px solid var(--color-border-strong);
 border-radius: var(--radius-lg);
 background: var(--color-surface-raised);
 box-shadow: var(--shadow-soft);
}
.search-dialog-head {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 20px;
 margin-bottom: 17px;
}
.search-dialog-head h2 {
 margin: 0;
 font-size: 1.35rem;
}
.search-close {
 width: 40px;
 height: 40px;
 border: 1px solid var(--color-border);
 border-radius: 50%;
 color: var(--color-text);
 background: rgba(255,255,255,.03);
}
.search-close:hover { background: rgba(237,118,94,.1); }
.search-field-wrap {
 display: grid;
 grid-template-columns: 1fr auto;
 gap: 10px;
}
.search-hint {
 margin: 13px 0 0;
 color: var(--color-muted);
 font-size: .82rem;
}

/* 页脚 */
.site-footer {
 padding: 64px 0 22px;
 border-top: 1px solid var(--color-border);
 background: rgba(13,9,13,.74);
}
.footer-grid {
 display: grid;
 grid-template-columns: 1.55fr .7fr .7fr 1.1fr;
 gap: 38px;
}
.footer-brand p {
 max-width: 430px;
 margin: 20px 0 16px;
 color: var(--color-muted);
 font-size: .86rem;
}
.footer-title {
 display: block;
 margin: 5px 0 17px;
 color: var(--color-text);
 font-size: .9rem;
}
.footer-links {
 padding: 0;
 list-style: none;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a,
.footer-links span {
 color: var(--color-muted);
 font-size: .84rem;
}
.footer-links a:hover { color: var(--color-primary-hover); }
.footer-note {
 padding: 15px;
 border: 1px solid var(--color-border);
 border-radius: var(--radius-md);
 color: var(--color-muted);
 background: rgba(255,255,255,.025);
 font-size: .78rem;
 line-height: 1.65;
}
.footer-bottom {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 24px;
 margin-top: 42px;
 padding-top: 20px;
 border-top: 1px solid var(--color-border);
 color: var(--color-muted);
 font-size: .76rem;
}

@media (max-width: 1024px) {
 .site-container { width: min(calc(100% - 32px), var(--container)); }
 .desktop-nav a { padding-inline: 12px; }
 .brand-copy small { display: none; }
 .intro-grid { grid-template-columns: 1fr; gap: 26px; }
 .intro-meta {
  grid-template-columns: repeat(3, 1fr);
  padding: 18px 0 0;
  border-top: 1px dashed var(--color-border-strong);
  border-left: 0;
 }
 .index-layout { grid-template-columns: 240px minmax(0,1fr); gap: 18px; }
 .index-card { grid-template-columns: 54px minmax(0,1fr); }
 .card-action {
  grid-column: 2;
  grid-auto-flow: column;
  justify-content: start;
 }
 .guide-panel { grid-template-columns: .8fr 1.2fr; }
 .detail-preview { grid-template-columns: .72fr 1.28fr; }
 .footer-grid { grid-template-columns: 1.3fr .7fr .7fr; }
 .footer-grid > div:last-child { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
 .site-header { height: 94px; padding-top: 12px; }
 .dock {
  top: 10px;
  width: calc(100% - 20px);
  min-height: 66px;
  padding: 9px 10px;
  border-radius: 20px;
 }
 .desktop-nav,
 .nav-cta { display: none; }
 .menu-toggle { display: grid; }
 .brand-copy strong { max-width: 210px; }
 .section { padding: 62px 0; }
 .page-intro { padding: 22px 0 28px; }
 .intro-shell { padding: 28px 24px; }
 .intro-copy h1 { font-size: clamp(2.25rem, 9vw, 3.2rem); }
 .intro-meta { grid-template-columns: 1fr; }
 .index-layout { grid-template-columns: 1fr; }
 .filter-panel {
  position: static;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
 }
 .filter-top { grid-column: 1 / -1; margin: 0; }
 .filter-group {
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--color-border);
 }
 .filter-group:first-of-type {
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
 }
 .index-toolbar { align-items: flex-start; flex-direction: column; }
 .active-filters { justify-content: flex-start; }
 .guide-panel,
 .detail-preview { grid-template-columns: 1fr; }
 .guide-main { padding: 30px; }
 .abstract-cover { min-height: 300px; }
 .cta-panel { align-items: flex-start; flex-direction: column; }
 .cta-actions { width: 100%; }
 .footer-grid { grid-template-columns: 1.35fr 1fr; }
 .footer-grid > div:last-child { grid-column: auto; }
 .footer-bottom { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 640px) {
 .site-container,
 .narrow-container { width: calc(100% - 24px); }
 .brand-mark { width: 39px; height: 39px; }
 .brand-copy strong { max-width: 165px; font-size: .87rem; }
 .nav-tools { gap: 5px; }
 .icon-button { width: 41px; height: 41px; }
 .section { padding: 52px 0; }
 .section-heading { align-items: flex-start; flex-direction: column; gap: 10px; }
 .intro-shell { padding: 24px 19px; }
 .intro-copy h1 { font-size: 2.18rem; }
 .intro-copy p { font-size: .94rem; }
 .compliance-strip { align-items: flex-start; }
 .filter-panel { display: block; padding: 18px; }
 .filter-top { margin-bottom: 15px; }
 .filter-group { margin-top: 16px; }
 .index-card,
 .index-card.featured {
  grid-template-columns: 42px minmax(0,1fr);
  gap: 13px;
  min-height: 0;
  padding: 18px 16px;
 }
 .card-number { width: 40px; height: 40px; }
 .card-action {
  grid-column: 1 / -1;
  grid-auto-flow: row;
  justify-items: stretch;
 }
 .card-action .text-action { justify-content: center; }
 .card-meta { gap: 8px 12px; }
 .guide-rules { grid-template-columns: 1fr; }
 .rule-item { min-height: 0; }
 .detail-copy { padding: 26px 20px; }
 .detail-fields { grid-template-columns: 1fr; }
 .cta-panel { padding: 28px 21px; }
 .cta-actions { flex-direction: column; }
 .cta-actions .button { width: 100%; }
 .search-field-wrap { grid-template-columns: 1fr; }
 .footer-grid { grid-template-columns: 1fr; gap: 28px; }
 .footer-grid > div:last-child { grid-column: auto; }
}
@media (max-width: 520px) {
 .brand-copy strong { max-width: 142px; }
 #searchOpen { display: none; }
 .mobile-menu { top: 86px; right: 10px; left: 10px; }
 .intro-shell::after { display: none; }
 .intro-copy h1 { overflow-wrap: anywhere; }
 .detail-nav { flex-direction: column; }
 .detail-nav .button,
 .detail-nav .text-action { width: 100%; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *,
 *::before,
 *::after {
  scroll-behavior: auto !important;
  transition-duration: .01ms !important;
  animation-duration: .01ms !important;
 }
}