/* roulang page: index */
:root {
            --page-bg: #f5f7fa;
            --surface: #ffffff;
            --surface-soft: #eef4fb;
            --surface-blue: #e8f1fb;
            --surface-indigo: #f0f0fa;
            --primary: #315f9b;
            --primary-dark: #244a7c;
            --primary-light: #dceafb;
            --accent: #5571b6;
            --teal: #477f85;
            --text: #1c2d43;
            --text-soft: #58697d;
            --text-muted: #788696;
            --border: #dce4ed;
            --border-strong: #c9d6e4;
            --success: #3f7767;
            --warning: #8b6d34;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 6px 18px rgba(31, 57, 87, .06);
            --shadow-md: 0 14px 38px rgba(31, 57, 87, .09);
            --shadow-lg: 0 24px 60px rgba(31, 57, 87, .12);
            --container: 1220px;
            --transition: 180ms ease;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 96px;
        }

        body {
            margin: 0;
            overflow-x: hidden;
            color: var(--text);
            background: var(--page-bg);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        body.menu-open {
            overflow: hidden;
        }

        h1, h2, h3, h4, p, ul, ol, blockquote {
            margin-top: 0;
        }

        h1, h2, h3, h4 {
            color: var(--text);
            font-weight: 750;
            letter-spacing: -.025em;
        }

        h1 {
            margin-bottom: 22px;
            font-size: clamp(2.45rem, 5.2vw, 4.85rem);
            line-height: 1.08;
        }

        h2 {
            margin-bottom: 16px;
            font-size: clamp(1.85rem, 3vw, 2.75rem);
            line-height: 1.2;
        }

        h3 {
            margin-bottom: 10px;
            font-size: 1.24rem;
            line-height: 1.4;
        }

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

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

        button, input {
            font: inherit;
        }

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(49, 95, 155, .26);
            outline-offset: 3px;
        }

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

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

        .section {
            position: relative;
            padding: 104px 0;
        }

        .section-soft {
            background: var(--surface-soft);
            border-top: 1px solid rgba(201, 214, 228, .7);
            border-bottom: 1px solid rgba(201, 214, 228, .7);
        }

        .section-head {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 36px;
            margin-bottom: 44px;
        }

        .section-head-copy {
            max-width: 720px;
        }

        .section-head p {
            max-width: 690px;
            margin-bottom: 0;
            font-size: 1.04rem;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 18px;
            color: var(--primary);
            font-size: .79rem;
            font-weight: 750;
            letter-spacing: .08em;
        }

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

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            width: auto;
            padding: 7px 11px;
            color: var(--primary-dark);
            background: var(--primary-light);
            border: 1px solid #c6dbf2;
            border-radius: 999px;
            font-size: .76rem;
            font-weight: 700;
            line-height: 1;
        }

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

        .badge-green {
            color: #315f55;
            background: #e4f1ed;
            border-color: #cce3db;
        }

        .badge-green::before {
            background: var(--success);
        }

        .badge-violet {
            color: #55598a;
            background: #ececfa;
            border-color: #d9daf0;
        }

        .badge-violet::before {
            background: #686ca7;
        }

        .button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            min-height: 48px;
            margin: 0;
            padding: 13px 21px;
            color: #fff;
            background: var(--primary);
            border: 1px solid var(--primary);
            border-radius: 12px;
            box-shadow: 0 9px 20px rgba(49, 95, 155, .18);
            font-weight: 720;
            line-height: 1.2;
            cursor: pointer;
        }

        .button:hover {
            color: #fff;
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            box-shadow: 0 13px 26px rgba(49, 95, 155, .24);
            transform: translateY(-2px);
        }

        .button:active {
            box-shadow: 0 4px 10px rgba(49, 95, 155, .16);
            transform: translateY(1px);
        }

        .button.secondary {
            color: var(--primary-dark);
            background: #fff;
            border-color: var(--border-strong);
            box-shadow: var(--shadow-sm);
        }

        .button.secondary:hover {
            color: var(--primary-dark);
            background: var(--surface-blue);
            border-color: #b8cce2;
        }

        .button.text-button {
            min-height: auto;
            padding: 8px 4px;
            color: var(--primary);
            background: transparent;
            border-color: transparent;
            box-shadow: none;
        }

        .button.text-button:hover {
            color: var(--primary-dark);
            background: transparent;
            transform: translateX(3px);
        }

        .button[disabled] {
            color: #9ba7b4;
            background: #e7ebef;
            border-color: #dce2e8;
            box-shadow: none;
            cursor: not-allowed;
            transform: none;
        }

        .arrow {
            font-size: 1.1em;
            transition: transform var(--transition);
        }

        .button:hover .arrow,
        .card-link:hover .arrow {
            transform: translateX(3px);
        }

        /* 导航 */
        .site-header {
            position: sticky;
            z-index: 1000;
            top: 0;
            background: rgba(250, 251, 253, .96);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 3px 16px rgba(29, 50, 74, .04);
        }

        .site-nav {
            display: grid;
            grid-template-columns: minmax(220px, 1.2fr) auto minmax(270px, 1fr);
            align-items: center;
            gap: 28px;
            min-height: 78px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            width: fit-content;
            color: var(--text);
            font-size: 1rem;
            font-weight: 800;
            line-height: 1.2;
        }

        .brand-mark {
            position: relative;
            display: grid;
            flex: 0 0 38px;
            width: 38px;
            height: 38px;
            place-items: center;
            overflow: hidden;
            color: #fff;
            background: var(--primary);
            border-radius: 12px;
            box-shadow: 0 8px 16px rgba(49, 95, 155, .2);
        }

        .brand-mark::before,
        .brand-mark::after {
            position: absolute;
            width: 12px;
            height: 18px;
            border: 2px solid rgba(255,255,255,.86);
            border-radius: 4px;
            content: "";
        }

        .brand-mark::before {
            left: 8px;
            top: 8px;
        }

        .brand-mark::after {
            right: 8px;
            bottom: 8px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin: 0;
            list-style: none;
        }

        .nav-links a {
            display: block;
            padding: 10px 14px;
            color: var(--text-soft);
            border-radius: 10px;
            font-size: .93rem;
            font-weight: 670;
        }

        .nav-links a:hover {
            color: var(--primary-dark);
            background: var(--surface-blue);
        }

        .nav-links a.active {
            color: var(--primary-dark);
            background: var(--primary-light);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 10px;
        }

        .nav-actions .button {
            min-height: 42px;
            padding: 10px 15px;
            font-size: .86rem;
        }

        .menu-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            padding: 0;
            color: var(--text);
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 11px;
            cursor: pointer;
        }

        .menu-toggle-lines,
        .menu-toggle-lines::before,
        .menu-toggle-lines::after {
            display: block;
            width: 20px;
            height: 2px;
            background: currentColor;
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .menu-toggle-lines {
            position: relative;
        }

        .menu-toggle-lines::before,
        .menu-toggle-lines::after {
            position: absolute;
            left: 0;
            content: "";
        }

        .menu-toggle-lines::before {
            top: -6px;
        }

        .menu-toggle-lines::after {
            top: 6px;
        }

        .menu-toggle[aria-expanded="true"] .menu-toggle-lines {
            background: transparent;
        }

        .menu-toggle[aria-expanded="true"] .menu-toggle-lines::before {
            top: 0;
            transform: rotate(45deg);
        }

        .menu-toggle[aria-expanded="true"] .menu-toggle-lines::after {
            top: 0;
            transform: rotate(-45deg);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 720px;
            padding: 78px 0 82px;
            overflow: hidden;
            background:
                radial-gradient(circle at 12% 16%, rgba(151, 184, 221, .22), transparent 32%),
                linear-gradient(180deg, #f9fbfd 0%, #f3f7fb 100%);
            border-bottom: 1px solid var(--border);
        }

        .hero::after {
            position: absolute;
            right: -130px;
            bottom: -210px;
            width: 520px;
            height: 520px;
            border: 1px solid rgba(49, 95, 155, .1);
            border-radius: 50%;
            box-shadow: 0 0 0 70px rgba(49, 95, 155, .025), 0 0 0 140px rgba(49, 95, 155, .018);
            content: "";
        }

        .hero-stage {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: minmax(0, 1.12fr) minmax(480px, .88fr);
            align-items: center;
            gap: 70px;
        }

        .hero-copy {
            max-width: 720px;
        }

        .hero-copy .intro {
            max-width: 680px;
            margin-bottom: 28px;
            color: var(--text-soft);
            font-size: 1.1rem;
            line-height: 1.85;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }

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

        .hero-note {
            display: flex;
            align-items: flex-start;
            gap: 11px;
            max-width: 650px;
            margin-top: 24px;
            padding-top: 21px;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            font-size: .84rem;
        }

        .note-icon {
            display: grid;
            flex: 0 0 25px;
            width: 25px;
            height: 25px;
            place-items: center;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 50%;
            font-size: .75rem;
            font-weight: 800;
        }

        .portrait-stage {
            position: relative;
            display: grid;
            grid-template-columns: .84fr 1.16fr;
            gap: 14px;
            min-height: 548px;
            padding: 18px;
            background: rgba(255,255,255,.78);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
        }

        .portrait-column {
            display: grid;
            gap: 14px;
        }

        .portrait-column:first-child {
            grid-template-rows: 1.25fr .75fr;
            padding-top: 56px;
        }

        .portrait-column:last-child {
            grid-template-rows: .72fr 1.28fr;
        }

        .visual-card {
            position: relative;
            display: flex;
            min-height: 170px;
            flex-direction: column;
            justify-content: space-between;
            overflow: hidden;
            padding: 18px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 19px;
            box-shadow: var(--shadow-sm);
        }

        .visual-card.tall {
            min-height: 278px;
            background:
                linear-gradient(180deg, rgba(49,95,155,.02), rgba(49,95,155,.12)),
                #edf4fb;
        }

        .visual-card.indigo {
            background: var(--surface-indigo);
        }

        .visual-card.dark-accent {
            color: #fff;
            background: #294d77;
            border-color: #294d77;
        }

        .visual-card.dark-accent h3,
        .visual-card.dark-accent p {
            color: #fff;
        }

        .visual-card.dark-accent p {
            opacity: .75;
        }

        .visual-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
        }

        .visual-index {
            color: var(--text-muted);
            font-size: .72rem;
            font-weight: 750;
            letter-spacing: .1em;
        }

        .visual-card.dark-accent .visual-index {
            color: rgba(255,255,255,.68);
        }

        .visual-lines {
            display: grid;
            gap: 8px;
            margin: 16px 0;
        }

        .visual-line {
            height: 7px;
            background: rgba(49, 95, 155, .13);
            border-radius: 999px;
        }

        .visual-line:nth-child(2) {
            width: 72%;
        }

        .visual-line:nth-child(3) {
            width: 48%;
        }

        .dark-accent .visual-line {
            background: rgba(255,255,255,.17);
        }

        .preview-window {
            position: relative;
            flex: 1;
            min-height: 130px;
            margin-bottom: 17px;
            overflow: hidden;
            background:
                linear-gradient(145deg, rgba(49,95,155,.26), rgba(85,113,182,.08)),
                repeating-linear-gradient(90deg, transparent 0 30px, rgba(255,255,255,.24) 31px 32px);
            border: 1px solid rgba(49,95,155,.12);
            border-radius: 13px;
        }

        .preview-window::before {
            position: absolute;
            inset: 14% 16%;
            border: 1px solid rgba(49,95,155,.2);
            border-radius: 10px;
            content: "";
        }

        .preview-window::after {
            position: absolute;
            left: 50%;
            top: 50%;
            width: 46px;
            height: 46px;
            background: rgba(255,255,255,.86);
            border-radius: 50%;
            box-shadow: 0 8px 18px rgba(31,57,87,.13);
            content: "›";
            color: var(--primary);
            font-size: 2rem;
            line-height: 42px;
            text-align: center;
            transform: translate(-50%, -50%);
        }

        .visual-card h3 {
            margin-bottom: 5px;
            font-size: 1rem;
        }

        .visual-card p {
            margin-bottom: 0;
            font-size: .78rem;
            line-height: 1.6;
        }

        .floating-status {
            position: absolute;
            right: -22px;
            top: 82px;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 9px;
            padding: 11px 14px;
            color: var(--success);
            background: #fff;
            border: 1px solid #cfe2dc;
            border-radius: 12px;
            box-shadow: var(--shadow-md);
            font-size: .78rem;
            font-weight: 750;
        }

        .floating-status::before {
            width: 8px;
            height: 8px;
            background: var(--success);
            border-radius: 50%;
            box-shadow: 0 0 0 5px rgba(63,119,103,.12);
            content: "";
        }

        /* 痛点叙事 */
        .pain-layout {
            display: grid;
            grid-template-columns: .75fr 1.25fr;
            gap: 70px;
            align-items: start;
        }

        .pain-intro {
            position: sticky;
            top: 112px;
        }

        .pain-intro p {
            font-size: 1.04rem;
        }

        .pain-list {
            border-top: 1px solid var(--border-strong);
        }

        .pain-item {
            display: grid;
            grid-template-columns: 54px minmax(160px, .65fr) 1.35fr;
            align-items: start;
            gap: 22px;
            padding: 27px 4px;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition), padding var(--transition);
        }

        .pain-item:hover {
            padding-inline: 14px;
            background: rgba(255,255,255,.64);
        }

        .pain-number {
            display: grid;
            width: 40px;
            height: 40px;
            place-items: center;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 11px;
            font-size: .8rem;
            font-weight: 800;
        }

        .pain-item h3,
        .pain-item p {
            margin-bottom: 0;
        }

        .pain-item p {
            font-size: .93rem;
            line-height: 1.7;
        }

        /* 步骤 */
        .solution-shell {
            padding: 34px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }

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

        .steps::before {
            position: absolute;
            left: 9%;
            right: 9%;
            top: 25px;
            height: 1px;
            background: var(--border-strong);
            content: "";
        }

        .step {
            position: relative;
            z-index: 1;
            padding: 0 24px;
        }

        .step:first-child {
            padding-left: 0;
        }

        .step:last-child {
            padding-right: 0;
        }

        .step-node {
            display: grid;
            width: 52px;
            height: 52px;
            margin-bottom: 22px;
            place-items: center;
            color: var(--primary);
            background: #fff;
            border: 1px solid #bcd0e6;
            border-radius: 50%;
            box-shadow: 0 0 0 7px #eef4fb;
            font-size: .82rem;
            font-weight: 800;
        }

        .step p {
            margin-bottom: 16px;
            font-size: .9rem;
        }

        .mini-interface {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            min-height: 42px;
            padding: 9px;
            background: var(--page-bg);
            border: 1px solid var(--border);
            border-radius: 10px;
        }

        .mini-interface span {
            display: block;
            width: 42%;
            height: 6px;
            background: #cbd9e8;
            border-radius: 10px;
        }

        .mini-interface span:nth-child(2) {
            width: 29%;
            background: #b7cbe1;
        }

        .mini-interface span:nth-child(3) {
            width: 65%;
            background: #dae3ed;
        }

        /* 成果面板 */
        .outcome-panel {
            display: grid;
            grid-template-columns: 1fr 1.7fr;
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }

        .outcome-summary {
            padding: 42px;
            background: #294d77;
        }

        .outcome-summary h2,
        .outcome-summary p {
            color: #fff;
        }

        .outcome-summary p {
            opacity: .76;
        }

        .outcome-number {
            margin: 30px 0 6px;
            color: #fff;
            font-size: clamp(3rem, 6vw, 5.5rem);
            font-weight: 800;
            letter-spacing: -.06em;
            line-height: 1;
        }

        .outcome-label {
            color: rgba(255,255,255,.72);
            font-size: .83rem;
        }

        .index-snapshot {
            padding: 28px 32px;
        }

        .snapshot-head,
        .snapshot-row {
            display: grid;
            grid-template-columns: 1.4fr .8fr .8fr;
            align-items: center;
            gap: 16px;
        }

        .snapshot-head {
            padding: 10px 15px 14px;
            color: var(--text-muted);
            border-bottom: 1px solid var(--border);
            font-size: .75rem;
            font-weight: 750;
        }

        .snapshot-row {
            padding: 18px 15px;
            border-bottom: 1px solid var(--border);
        }

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

        .snapshot-title {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 720;
        }

        .snapshot-icon {
            display: grid;
            flex: 0 0 34px;
            width: 34px;
            height: 34px;
            place-items: center;
            color: var(--primary);
            background: var(--surface-blue);
            border-radius: 9px;
            font-size: .73rem;
        }

        .snapshot-meta {
            color: var(--text-soft);
            font-size: .83rem;
        }

        .status-pill {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            width: fit-content;
            padding: 6px 9px;
            color: var(--success);
            background: #e8f3ef;
            border-radius: 999px;
            font-size: .72rem;
            font-weight: 750;
        }

        .status-pill::before {
            width: 6px;
            height: 6px;
            background: currentColor;
            border-radius: 50%;
            content: "";
        }

        /* 分类导览 */
        .category-layout {
            display: grid;
            grid-template-columns: 1.28fr .72fr;
            gap: 20px;
        }

        .featured-category {
            position: relative;
            min-height: 410px;
            overflow: hidden;
            padding: 40px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }

        .featured-category::after {
            position: absolute;
            right: -65px;
            bottom: -80px;
            width: 270px;
            height: 270px;
            border: 45px solid var(--surface-blue);
            border-radius: 50%;
            content: "";
        }

        .featured-category-content {
            position: relative;
            z-index: 1;
            max-width: 600px;
        }

        .featured-category h3 {
            margin: 22px 0 14px;
            font-size: clamp(1.65rem, 3vw, 2.45rem);
        }

        .featured-category p {
            max-width: 580px;
        }

        .category-points {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 11px;
            margin: 27px 0 30px;
        }

        .category-point {
            display: flex;
            align-items: center;
            gap: 9px;
            color: var(--text-soft);
            font-size: .88rem;
        }

        .category-point::before {
            display: grid;
            flex: 0 0 22px;
            width: 22px;
            height: 22px;
            place-items: center;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 50%;
            content: "✓";
            font-size: .68rem;
            font-weight: 800;
        }

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

        .directory-item {
            display: grid;
            grid-template-columns: 42px 1fr auto;
            align-items: center;
            gap: 14px;
            padding: 21px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

        .directory-item:hover {
            border-color: #b9cce0;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .directory-index {
            color: var(--primary);
            font-size: .77rem;
            font-weight: 800;
        }

        .directory-item h3 {
            margin-bottom: 3px;
            font-size: 1rem;
        }

        .directory-item p {
            margin-bottom: 0;
            font-size: .8rem;
            line-height: 1.55;
        }

        .directory-arrow {
            color: var(--primary);
            font-size: 1.25rem;
        }

        /* 证言 */
        .testimonial-track {
            display: grid;
            grid-template-columns: 1.25fr .75fr;
            gap: 20px;
        }

        .quote-main,
        .quote-small {
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .quote-main {
            min-height: 330px;
            padding: 42px;
            border-radius: var(--radius-lg);
        }

        .quote-mark {
            margin-bottom: 22px;
            color: var(--primary);
            font-family: Georgia, serif;
            font-size: 4.5rem;
            line-height: .7;
        }

        .quote-main blockquote {
            max-width: 760px;
            margin-bottom: 33px;
            color: var(--text);
            font-size: 1.36rem;
            font-weight: 650;
            line-height: 1.72;
        }

        .quote-person {
            display: flex;
            align-items: center;
            gap: 13px;
        }

        .avatar-dot {
            display: grid;
            width: 42px;
            height: 42px;
            place-items: center;
            color: #fff;
            background: var(--primary);
            border-radius: 50%;
            font-size: .78rem;
            font-weight: 800;
        }

        .quote-person strong {
            display: block;
            color: var(--text);
            font-size: .9rem;
        }

        .quote-person span {
            color: var(--text-muted);
            font-size: .77rem;
        }

        .quote-side {
            display: grid;
            gap: 20px;
        }

        .quote-small {
            padding: 25px;
            border-radius: var(--radius-md);
        }

        .quote-small p {
            margin-bottom: 19px;
            color: var(--text);
            font-size: .94rem;
            line-height: 1.75;
        }

        .experience-tag {
            display: inline-flex;
            padding: 5px 9px;
            color: var(--primary-dark);
            background: var(--surface-blue);
            border-radius: 999px;
            font-size: .7rem;
            font-weight: 750;
        }

        /* 资讯 */
        .news-layout {
            display: grid;
            grid-template-columns: 1.45fr .55fr;
            gap: 28px;
        }

        .news-list {
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }

        .news-row {
            display: grid;
            grid-template-columns: 112px 1fr auto;
            align-items: center;
            gap: 22px;
            padding: 24px 27px;
            border-bottom: 1px solid var(--border);
        }

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

        .news-row:hover {
            background: #f9fbfd;
        }

        .news-date {
            color: var(--text-muted);
            font-size: .78rem;
            font-weight: 690;
        }

        .news-title {
            color: var(--text);
            font-weight: 720;
        }

        .news-title:hover {
            color: var(--primary);
        }

        .news-arrow {
            color: var(--primary);
            font-size: 1.15rem;
        }

        .viewpoint-card {
            display: flex;
            min-height: 100%;
            flex-direction: column;
            justify-content: space-between;
            padding: 32px;
            color: #fff;
            background: #315879;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }

        .viewpoint-card .eyebrow,
        .viewpoint-card h3,
        .viewpoint-card p {
            color: #fff;
        }

        .viewpoint-card .eyebrow::before {
            background: rgba(255,255,255,.68);
        }

        .viewpoint-card p {
            opacity: .78;
        }

        .viewpoint-card blockquote {
            margin: 24px 0 31px;
            color: #fff;
            font-size: 1.18rem;
            font-weight: 650;
            line-height: 1.7;
        }

        .viewpoint-card .button {
            width: fit-content;
            color: var(--primary-dark);
            background: #fff;
            border-color: #fff;
            box-shadow: none;
        }

        /* FAQ */
        .faq-layout {
            display: grid;
            grid-template-columns: .65fr 1.35fr;
            gap: 68px;
            align-items: start;
        }

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

        .faq-aside p {
            margin-bottom: 24px;
        }

        .faq-list {
            display: grid;
            gap: 12px;
        }

        .faq-item {
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: #c3d3e3;
        }

        .faq-question {
            display: grid;
            width: 100%;
            grid-template-columns: 1fr 34px;
            align-items: center;
            gap: 18px;
            padding: 22px 24px;
            color: var(--text);
            background: transparent;
            border: 0;
            text-align: left;
            cursor: pointer;
            font-weight: 720;
        }

        .faq-icon {
            position: relative;
            display: grid;
            width: 32px;
            height: 32px;
            place-items: center;
            color: var(--primary);
            background: var(--surface-blue);
            border-radius: 9px;
        }

        .faq-icon::before,
        .faq-icon::after {
            position: absolute;
            width: 12px;
            height: 2px;
            background: currentColor;
            border-radius: 2px;
            content: "";
            transition: transform var(--transition), opacity var(--transition);
        }

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

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

        .faq-answer {
            display: none;
            padding: 0 70px 23px 24px;
        }

        .faq-answer p {
            margin-bottom: 0;
            font-size: .92rem;
            line-height: 1.85;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA */
        .cta-section {
            padding-top: 42px;
            padding-bottom: 104px;
        }

        .cta-panel {
            position: relative;
            display: grid;
            grid-template-columns: 1fr auto;
            align-items: center;
            gap: 40px;
            overflow: hidden;
            padding: 48px 52px;
            background: #e9f2fb;
            border: 1px solid #cbdced;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }

        .cta-panel::before {
            position: absolute;
            right: 170px;
            top: -100px;
            width: 250px;
            height: 250px;
            border: 38px solid rgba(49,95,155,.055);
            border-radius: 50%;
            content: "";
        }

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

        .cta-copy h2 {
            margin-bottom: 10px;
        }

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

        .cta-actions {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        /* 页脚 */
        .site-footer {
            color: #d9e4ef;
            background: #20364e;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.35fr .65fr;
            gap: 70px;
            padding: 62px 0 42px;
        }

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

        .footer-brand p {
            max-width: 590px;
            margin-bottom: 0;
            color: #aebdcd;
            font-size: .9rem;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 26px;
        }

        .footer-group h3 {
            margin-bottom: 15px;
            color: #fff;
            font-size: .9rem;
        }

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

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

        .footer-group a {
            color: #aebdcd;
            font-size: .85rem;
        }

        .footer-group a:hover {
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 20px 0 28px;
            color: #91a3b5;
            border-top: 1px solid rgba(255,255,255,.1);
            font-size: .77rem;
        }

        .footer-bottom p {
            margin: 0;
            color: inherit;
        }

        .back-top {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: #d9e4ef;
        }

        .back-top:hover {
            color: #fff;
            transform: translateY(-2px);
        }

        /* 移动辅助 */
        .mobile-bottom-action {
            position: fixed;
            z-index: 900;
            right: 14px;
            bottom: 14px;
            display: none;
            align-items: center;
            gap: 8px;
            padding: 11px 15px;
            color: #fff;
            background: var(--primary);
            border-radius: 999px;
            box-shadow: var(--shadow-lg);
            font-size: .8rem;
            font-weight: 750;
        }

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

            .nav-links,
            .nav-actions {
                display: none;
            }

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

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

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

            .mobile-nav .nav-links,
            .mobile-nav .nav-actions {
                display: flex;
            }

            .mobile-nav .nav-links {
                align-items: stretch;
                flex-direction: column;
                gap: 5px;
                padding: 13px 0;
                border-top: 1px solid var(--border);
            }

            .mobile-nav .nav-links a {
                padding: 12px 14px;
            }

            .mobile-nav .nav-actions {
                justify-content: stretch;
            }

            .mobile-nav .nav-actions .button {
                flex: 1;
            }

            .hero-stage {
                grid-template-columns: 1fr 460px;
                gap: 38px;
            }

            .floating-status {
                right: 10px;
            }

            .pain-layout,
            .faq-layout {
                gap: 42px;
            }

            .steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 38px 0;
            }

            .steps::before {
                display: none;
            }

            .step:nth-child(3) {
                padding-left: 0;
            }
        }

        @media (max-width: 860px) {
            .section {
                padding: 78px 0;
            }

            .hero {
                padding-top: 58px;
            }

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

            .hero-copy {
                max-width: none;
            }

            .portrait-stage {
                width: min(100%, 620px);
                min-height: 500px;
                margin-inline: auto;
            }

            .pain-layout,
            .faq-layout,
            .outcome-panel,
            .category-layout,
            .testimonial-track,
            .news-layout,
            .footer-main {
                grid-template-columns: 1fr;
            }

            .pain-intro,
            .faq-aside {
                position: static;
            }

            .pain-item {
                grid-template-columns: 48px minmax(140px, .6fr) 1.4fr;
            }

            .outcome-summary {
                padding: 34px;
            }

            .outcome-number {
                font-size: 4.5rem;
            }

            .testimonial-track {
                gap: 16px;
            }

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

            .cta-panel {
                grid-template-columns: 1fr;
                padding: 40px;
            }

            .footer-main {
                gap: 38px;
            }
        }

        @media (max-width: 640px) {
            html {
                scroll-padding-top: 76px;
            }

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

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

            .brand {
                max-width: 245px;
                font-size: .88rem;
            }

            .brand-mark {
                flex-basis: 34px;
                width: 34px;
                height: 34px;
                border-radius: 10px;
            }

            .mobile-nav .nav-actions {
                flex-direction: column;
            }

            .mobile-nav .nav-actions .button {
                width: 100%;
            }

            .section {
                padding: 64px 0;
            }

            .section-head {
                align-items: start;
                flex-direction: column;
                gap: 16px;
                margin-bottom: 30px;
            }

            h1 {
                font-size: clamp(2.25rem, 12vw, 3.2rem);
            }

            h2 {
                font-size: 1.85rem;
            }

            .hero {
                min-height: auto;
                padding: 46px 0 58px;
            }

            .hero-copy .intro {
                font-size: 1rem;
            }

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

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

            .portrait-stage {
                grid-template-columns: 1fr 1fr;
                min-height: 430px;
                padding: 11px;
                gap: 9px;
                border-radius: 22px;
            }

            .portrait-column {
                gap: 9px;
            }

            .portrait-column:first-child {
                padding-top: 35px;
            }

            .visual-card {
                min-height: 135px;
                padding: 13px;
                border-radius: 14px;
            }

            .visual-card.tall {
                min-height: 220px;
            }

            .preview-window {
                min-height: 95px;
            }

            .floating-status {
                right: 5px;
                top: 46px;
                padding: 8px 10px;
            }

            .pain-item {
                grid-template-columns: 42px 1fr;
                gap: 12px;
                padding: 22px 0;
            }

            .pain-item p {
                grid-column: 2;
            }

            .solution-shell {
                padding: 24px 20px;
            }

            .steps {
                grid-template-columns: 1fr;
                gap: 29px;
            }

            .step,
            .step:nth-child(3) {
                padding: 0;
            }

            .step {
                display: grid;
                grid-template-columns: 48px 1fr;
                column-gap: 17px;
            }

            .step-node {
                grid-row: 1 / 4;
                width: 46px;
                height: 46px;
            }

            .mini-interface {
                grid-column: 2;
            }

            .index-snapshot {
                padding: 17px;
            }

            .snapshot-head {
                display: none;
            }

            .snapshot-row {
                grid-template-columns: 1fr auto;
                gap: 10px;
                padding: 17px 5px;
            }

            .snapshot-meta {
                display: none;
            }

            .featured-category {
                min-height: auto;
                padding: 27px 23px;
            }

            .category-points {
                grid-template-columns: 1fr;
            }

            .directory-item {
                padding: 17px;
            }

            .quote-main {
                min-height: auto;
                padding: 29px 23px;
            }

            .quote-main blockquote {
                font-size: 1.08rem;
            }

            .quote-side {
                grid-template-columns: 1fr;
            }

            .news-row {
                grid-template-columns: 1fr auto;
                gap: 7px 14px;
                padding: 20px;
            }

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

            .viewpoint-card {
                padding: 27px 23px;
            }

            .faq-question {
                padding: 19px;
            }

            .faq-answer {
                padding: 0 19px 20px;
            }

            .cta-section {
                padding-top: 25px;
                padding-bottom: 84px;
            }

            .cta-panel {
                padding: 30px 23px;
            }

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

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

            .footer-links {
                gap: 20px;
            }

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

            .mobile-bottom-action {
                display: inline-flex;
            }
        }

        @media (max-width: 390px) {
            .brand-text {
                max-width: 185px;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }

            .portrait-stage {
                min-height: 390px;
            }

            .visual-card p {
                display: none;
            }

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

        @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 {
            --page-bg:#f5f7fa;
            --surface:#fff;
            --surface-soft:#eef4fb;
            --surface-blue:#e8f1fb;
            --surface-indigo:#f0f0fa;
            --primary:#315f9b;
            --primary-dark:#244a7c;
            --primary-light:#dceafb;
            --accent:#5571b6;
            --teal:#477f85;
            --text:#1c2d43;
            --text-soft:#58697d;
            --text-muted:#788696;
            --border:#dce4ed;
            --border-strong:#c9d6e4;
            --success:#3f7767;
            --warning:#8b6d34;
            --radius-sm:10px;
            --radius-md:16px;
            --radius-lg:24px;
            --radius-xl:32px;
            --shadow-sm:0 6px 18px rgba(31,57,87,.06);
            --shadow-md:0 14px 38px rgba(31,57,87,.09);
            --shadow-lg:0 24px 60px rgba(31,57,87,.12);
            --container:1220px;
            --transition:180ms ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth;scroll-padding-top:96px}
        body{margin:0;overflow-x:hidden;color:var(--text);background:var(--page-bg);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
        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{font:inherit}
        button,a{-webkit-tap-highlight-color:transparent}
        button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(49,95,155,.26);outline-offset:3px}
        img,svg{display:block;max-width:100%}
        h1,h2,h3,p{margin-top:0}
        h1,h2,h3{color:var(--text);line-height:1.25;letter-spacing:-.035em}
        h1{font-size:clamp(2.25rem,5vw,4.55rem);margin-bottom:24px}
        h2{font-size:clamp(1.8rem,3vw,2.7rem);margin-bottom:16px}
        h3{font-size:1.18rem;margin-bottom:10px}
        p{color:var(--text-soft)}
        .site-container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
        .section{position:relative;padding:100px 0}
        .section-soft{background:var(--surface-soft);border-top:1px solid rgba(201,214,228,.7);border-bottom:1px solid rgba(201,214,228,.7)}
        .section-head{display:flex;align-items:end;justify-content:space-between;gap:36px;margin-bottom:42px}
        .section-head-copy{max-width:730px}
        .section-head p{max-width:690px;margin-bottom:0;font-size:1.04rem}
        .eyebrow{display:inline-flex;align-items:center;gap:9px;margin-bottom:18px;color:var(--primary);font-size:.79rem;font-weight:750;letter-spacing:.08em}
        .eyebrow:before{width:24px;height:2px;background:var(--primary);content:""}
        .badge{display:inline-flex;align-items:center;gap:7px;width:auto;padding:7px 11px;color:var(--primary-dark);background:var(--primary-light);border:1px solid #c6dbf2;border-radius:999px;font-size:.76rem;font-weight:700;line-height:1}
        .badge:before{width:6px;height:6px;background:var(--primary);border-radius:50%;content:""}
        .badge-green{color:#315f55;background:#e4f1ed;border-color:#cce3db}
        .badge-green:before{background:var(--success)}
        .badge-violet{color:#55598a;background:#ececfa;border-color:#d9daf0}
        .badge-violet:before{background:#686ca7}
        .button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;margin:0;padding:13px 21px;color:#fff;background:var(--primary);border:1px solid var(--primary);border-radius:12px;box-shadow:0 9px 20px rgba(49,95,155,.18);font-weight:720;line-height:1.2;cursor:pointer}
        .button:hover{color:#fff;background:var(--primary-dark);border-color:var(--primary-dark);box-shadow:0 13px 26px rgba(49,95,155,.24);transform:translateY(-2px)}
        .button:active{box-shadow:0 4px 10px rgba(49,95,155,.16);transform:translateY(1px)}
        .button.secondary{color:var(--primary-dark);background:#fff;border-color:var(--border-strong);box-shadow:var(--shadow-sm)}
        .button.secondary:hover{color:var(--primary-dark);background:var(--surface-blue);border-color:#b8cce2}
        .button.text-button{min-height:auto;padding:8px 4px;color:var(--primary);background:transparent;border-color:transparent;box-shadow:none}
        .button.text-button:hover{color:var(--primary-dark);background:transparent;transform:translateX(3px)}
        .button[disabled]{color:#9ba7b4;background:#e7ebef;border-color:#dfe5ea;box-shadow:none;cursor:not-allowed}
        .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);box-shadow:0 5px 20px rgba(31,57,87,.04)}
        .site-nav{display:flex;align-items:center;min-height:78px;gap:30px}
        .brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--text);font-weight:800;letter-spacing:-.03em}
        .brand:hover{color:var(--primary)}
        .brand-mark{width:28px;height:28px;position:relative;display:inline-block;border-radius:9px;background:var(--primary);box-shadow:inset 8px 8px 0 rgba(255,255,255,.16)}
        .brand-mark:after{position:absolute;right:5px;bottom:5px;width:8px;height:8px;border-radius:50%;background:#9cc6df;content:""}
        .brand-text{max-width:190px;line-height:1.15}
        .nav-links{display:flex;align-items:center;gap:8px;margin:0 auto;padding:0;list-style:none}
        .nav-links a{display:block;padding:10px 14px;color:var(--text-soft);border-radius:9px;font-size:.94rem;font-weight:650}
        .nav-links a:hover,.nav-links a.active{color:var(--primary-dark);background:var(--surface-blue)}
        .nav-links a.active{box-shadow:inset 0 -2px 0 var(--primary)}
        .nav-actions{display:flex;align-items:center;gap:10px}
        .nav-actions .button{min-height:42px;padding:10px 15px;font-size:.88rem}
        .menu-toggle,.mobile-nav{display:none}
        .hero{padding:72px 0 82px;background:linear-gradient(110deg,#f7f9fc 0%,#edf4fb 100%);border-bottom:1px solid var(--border)}
        .hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.72fr);align-items:center;gap:80px}
        .hero-copy{max-width:690px}
        .hero-copy h1 span{color:var(--primary)}
        .hero-copy p{max-width:635px;font-size:1.1rem}
        .hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:13px;margin:30px 0 22px}
        .hero-tags{display:flex;flex-wrap:wrap;gap:8px}
        .hero-visual{display:flex;justify-content:center}
        .vertical-panel{width:min(100%,375px);min-height:520px;padding:16px;background:#dfeaf5;border:1px solid #cbd9e7;border-radius:28px;box-shadow:var(--shadow-lg);transform:rotate(2deg)}
        .panel-screen{height:100%;min-height:486px;padding:18px;background:#fff;border-radius:20px;box-shadow:0 6px 20px rgba(31,57,87,.08)}
        .screen-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--border)}
        .screen-title{font-weight:800}
        .dots{display:flex;gap:4px}.dots i{width:6px;height:6px;border-radius:50%;background:#b8c8d8}
        .screen-search{display:flex;align-items:center;gap:8px;margin:18px 0;padding:11px 12px;color:var(--text-muted);background:var(--surface-soft);border-radius:10px;font-size:.82rem}
        .screen-search b{color:var(--primary);font-size:1rem}
        .screen-list{display:grid;gap:11px}
        .screen-item{display:flex;gap:11px;padding:11px;background:#fbfcfe;border:1px solid var(--border);border-radius:12px}
        .screen-thumb{width:58px;height:72px;flex:0 0 auto;border-radius:8px;background:linear-gradient(145deg,#b7cce2,#718ca9);position:relative;overflow:hidden}
        .screen-thumb:after{position:absolute;left:9px;right:9px;bottom:10px;height:5px;background:rgba(255,255,255,.72);box-shadow:0 -10px 0 rgba(255,255,255,.42);content:""}
        .screen-item strong{display:block;font-size:.87rem;line-height:1.4}.screen-item small{display:block;color:var(--text-muted);font-size:.72rem;margin-top:6px}
        .path-strip{padding:17px 0;background:#fff;border-bottom:1px solid var(--border)}
        .breadcrumbs{display:flex;flex-wrap:wrap;gap:9px;align-items:center;margin:0;color:var(--text-muted);font-size:.88rem}
        .breadcrumbs a{color:var(--primary)}.breadcrumbs .current{color:var(--text)}
        .intro{padding:70px 0 42px}
        .intro-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:42px;align-items:end}
        .intro-grid p{max-width:760px;margin:0;font-size:1.04rem}
        .index-note{padding:24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}
        .index-note strong{display:block;margin-bottom:6px;color:var(--primary-dark);font-size:1.25rem}
        .index-note span{color:var(--text-muted);font-size:.9rem}
        .filter-wrap{padding:25px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);margin-bottom:30px}
        .filter-row{display:flex;align-items:end;gap:14px}
        .field{flex:1}.field label{display:block;margin-bottom:7px;color:var(--text);font-size:.83rem;font-weight:700}
        .field input,.field select{height:48px;margin:0;border:1px solid var(--border-strong);border-radius:10px;background:#fbfcfe;color:var(--text);box-shadow:none}
        .field input::placeholder{color:#99a6b3}.field input:focus,.field select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(49,95,155,.1)}
        .filter-buttons{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
        .filter-chip{padding:8px 14px;color:var(--text-soft);background:var(--surface-soft);border:1px solid var(--border);border-radius:999px;cursor:pointer;font-size:.84rem}
        .filter-chip:hover,.filter-chip.active{color:var(--primary-dark);background:var(--primary-light);border-color:#b9d0e9}
        .content-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(270px,.55fr);gap:30px;align-items:start}
        .index-list{display:grid;grid-template-columns:1.08fr .92fr;gap:18px}
        .index-card{position:relative;padding:23px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}
        .index-card.featured{grid-row:span 2;padding:27px;background:linear-gradient(145deg,#fff,#f1f6fc)}
        .index-card:hover{border-color:#b7cce2;box-shadow:var(--shadow-md);transform:translateY(-4px)}
        .card-number{color:#9aacc0;font-size:.78rem;font-weight:800;letter-spacing:.08em}
        .index-card h3{margin:16px 0 8px;font-size:1.2rem}
        .index-card p{margin-bottom:18px;font-size:.91rem}
        .card-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:var(--text-muted);font-size:.78rem}
        .card-link{display:inline-flex;align-items:center;gap:6px;margin-top:22px;color:var(--primary);font-weight:750;font-size:.88rem}
        .card-link:hover{color:var(--primary-dark);gap:10px}
        .card-visual{height:145px;margin:18px 0;border-radius:13px;background:#d8e6f2;position:relative;overflow:hidden}
        .card-visual:before{position:absolute;inset:18px 24px;background:linear-gradient(135deg,#6c8eae,#c5d7e7 58%,#90a9be);border-radius:10px;content:""}
        .card-visual:after{position:absolute;left:44px;right:44px;bottom:30px;height:7px;background:rgba(255,255,255,.75);box-shadow:0 -16px 0 rgba(255,255,255,.4);content:""}
        .side-panel{padding:25px;background:var(--surface-indigo);border:1px solid #dcdcf0;border-radius:var(--radius-lg)}
        .side-panel h3{margin-bottom:17px}.side-panel ul{margin:0;padding:0;list-style:none}
        .side-panel li{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid rgba(177,180,211,.35);font-size:.9rem}
        .side-panel li:last-child{border-bottom:0}.side-panel li span:last-child{color:var(--primary);font-weight:750}
        .empty-state{display:none;grid-column:1/-1;text-align:center;padding:48px 20px;border:1px dashed var(--border-strong);border-radius:var(--radius-md);background:#fff;color:var(--text-muted)}
        .related{padding-top:82px}.related-row{display:flex;gap:14px;flex-wrap:wrap}
        .related-link{display:flex;align-items:center;gap:10px;padding:15px 18px;background:#fff;border:1px solid var(--border);border-radius:12px;color:var(--primary-dark);font-weight:700;box-shadow:var(--shadow-sm)}
        .related-link:hover{border-color:#abc5df;background:var(--surface-blue);transform:translateY(-2px)}
        .faq-section{padding-top:80px}.faq-list{max-width:900px;margin:auto}
        .faq-item{margin-bottom:12px;background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm)}
        .faq-question{display:flex;align-items:center;justify-content:space-between;width:100%;padding:20px 22px;background:transparent;border:0;color:var(--text);text-align:left;font-weight:750;cursor:pointer}
        .faq-question:hover{color:var(--primary)}.faq-question span:last-child{color:var(--primary);font-size:1.4rem;transition:transform var(--transition)}
        .faq-answer{display:none;padding:0 22px 20px;color:var(--text-soft);font-size:.94rem}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
        .cta{padding:44px 0 100px}.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:42px 48px;background:var(--surface-blue);border:1px solid #cbdced;border-radius:var(--radius-xl)}
        .cta-panel h2{margin-bottom:9px}.cta-panel p{margin:0;max-width:650px}.cta-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto}
        .site-footer{padding:62px 0 25px;background:#eaf0f6;border-top:1px solid var(--border)}
        .footer-main{display:flex;justify-content:space-between;gap:70px;padding-bottom:43px}.footer-brand{max-width:500px}.footer-brand .brand{margin-bottom:18px}.footer-brand p{font-size:.9rem}
        .footer-links{display:flex;gap:82px}.footer-group h3{font-size:.92rem;margin-bottom:14px}.footer-group ul{margin:0;padding:0;list-style:none}.footer-group li{margin:7px 0;color:var(--text-soft);font-size:.88rem}.footer-group a:hover,.back-top:hover{color:var(--primary)}
        .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;border-top:1px solid var(--border)}.footer-bottom p,.back-top{margin:0;color:var(--text-muted);font-size:.8rem}
        @media(max-width:1024px){.hero-grid{gap:38px}.nav-links{margin-left:auto}.content-layout{grid-template-columns:1fr}.side-panel{order:-1}.index-list{grid-template-columns:1fr 1fr}}
        @media(max-width:760px){.site-container{width:min(calc(100% - 30px),var(--container))}.site-nav{min-height:70px}.nav-links,.site-nav>.nav-actions{display:none}.menu-toggle{display:flex;align-items:center;justify-content:center;width:44px;height:44px;margin-left:auto;background:transparent;border:1px solid var(--border);border-radius:10px;cursor:pointer}.menu-toggle-lines,.menu-toggle-lines:before,.menu-toggle-lines:after{width:20px;height:2px;background:var(--primary-dark);display:block;position:relative}.menu-toggle-lines:before,.menu-toggle-lines:after{position:absolute;left:0;content:""}.menu-toggle-lines:before{top:-7px}.menu-toggle-lines:after{top:7px}.mobile-nav{display:none;padding:12px 0 22px;border-top:1px solid var(--border)}.mobile-nav.is-open{display:block}.mobile-nav .nav-links{display:block;margin:0 0 15px}.mobile-nav .nav-links a{padding:12px 10px}.mobile-nav .nav-actions{display:flex;flex-direction:column;align-items:stretch}.mobile-nav .button{width:100%}.hero{padding:55px 0 62px}.hero-grid,.intro-grid{grid-template-columns:1fr}.hero-visual{margin-top:8px}.vertical-panel{min-height:440px;transform:none}.panel-screen{min-height:406px}.section{padding:70px 0}.section-head{display:block;margin-bottom:30px}.section-head .button{margin-top:20px}.filter-row{display:block}.field{margin-bottom:13px}.filter-row>.button{width:100%}.index-list{grid-template-columns:1fr}.index-card.featured{grid-row:auto}.cta-panel{display:block;padding:32px 25px}.cta-actions{margin-top:25px;display:flex;flex-wrap:wrap}.footer-main{display:block;padding-bottom:30px}.footer-links{gap:55px;margin-top:30px}.footer-bottom{display:block}.back-top{display:inline-block;margin-top:12px}}
        @media(max-width:520px){h1{font-size:2.2rem}.hero-copy p{font-size:1rem}.hero-actions{align-items:stretch;flex-direction:column}.hero-actions .button{width:100%}.vertical-panel{width:100%}.intro{padding-top:52px}.filter-wrap{padding:18px}.side-panel{padding:20px}.cta-actions{align-items:stretch;flex-direction:column}.cta-actions .button{width:100%;text-align:center}.footer-links{gap:25px;justify-content:space-between}}