/* roulang page: index */
:root {
            --bg: #f7f9fc;
            --surface: #ffffff;
            --surface-soft: #eef4fc;
            --ink: #172235;
            --muted: #65738a;
            --line: #dce5f2;
            --blue: #2f6fed;
            --blue-dark: #2058c8;
            --blue-soft: #e5efff;
            --coral: #d9884c;
            --teal: #168d82;
            --danger: #a64d56;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow: 0 10px 30px rgba(41, 75, 122, .08);
            --shadow-hover: 0 16px 36px rgba(41, 75, 122, .14);
            --container: 1200px;
            --transition: 200ms ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            color: var(--ink);
            background: var(--bg);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--blue);
        }

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

        button,
        .button {
            cursor: pointer;
        }

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

        :focus-visible {
            outline: 3px solid rgba(47, 111, 237, .35);
            outline-offset: 3px;
        }

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

        .site-header {
            position: absolute;
            z-index: 20;
            top: 18px;
            left: 0;
            right: 0;
        }

        .site-header.is-scrolled {
            position: fixed;
            top: 0;
            padding: 10px 0;
            background: rgba(255, 255, 255, .94);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 8px 24px rgba(41, 75, 122, .08);
            backdrop-filter: blur(16px);
        }

        .nav-shell {
            min-height: 66px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 10px 16px 10px 20px;
            border: 1px solid rgba(255, 255, 255, .72);
            border-radius: 18px;
            background: rgba(255, 255, 255, .78);
            box-shadow: var(--shadow);
            backdrop-filter: blur(18px);
        }

        .site-header.is-scrolled .nav-shell {
            border-color: transparent;
            box-shadow: none;
            background: transparent;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--ink);
            font-size: 17px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -.03em;
        }

        .brand-mark {
            width: 34px;
            height: 34px;
            display: grid;
            place-items: center;
            flex: 0 0 34px;
            color: #fff;
            border-radius: 10px;
            background: var(--blue);
            box-shadow: 0 7px 16px rgba(47, 111, 237, .24);
            font-size: 13px;
            font-weight: 800;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 5px;
            margin-left: auto;
        }

        .nav-links a {
            min-height: 42px;
            display: inline-flex;
            align-items: center;
            padding: 0 13px;
            color: #41516a;
            border-radius: 9px;
            font-size: 14px;
            font-weight: 700;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--blue);
            background: var(--blue-soft);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 42px;
            padding: 0 17px;
            color: #fff !important;
            border-radius: 9px;
            background: var(--blue);
            font-size: 14px;
            font-weight: 800;
        }

        .nav-cta:hover {
            color: #fff !important;
            background: var(--blue-dark);
            transform: translateY(-1px);
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            padding: 0;
            color: var(--ink);
            border: 1px solid var(--line);
            border-radius: 10px;
            background: #fff;
        }

        .hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: flex-end;
            padding: 150px 0 74px;
            overflow: hidden;
            background:
                linear-gradient(90deg, rgba(247, 249, 252, .96) 0%, rgba(247, 249, 252, .88) 54%, rgba(229, 239, 255, .72) 100%);
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            opacity: .55;
            background-image: linear-gradient(rgba(47, 111, 237, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(47, 111, 237, .06) 1px, transparent 1px);
            background-size: 44px 44px;
            mask-image: linear-gradient(90deg, #000, transparent 85%);
        }

        .hero::after {
            content: "";
            position: absolute;
            width: 430px;
            height: 430px;
            right: -150px;
            top: 70px;
            border: 1px solid rgba(47, 111, 237, .15);
            border-radius: 50%;
            box-shadow: 0 0 0 28px rgba(47, 111, 237, .035), 0 0 0 56px rgba(47, 111, 237, .025);
        }

        .hero-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: minmax(0, 1.12fr) minmax(360px, .88fr);
            gap: 54px;
            align-items: end;
        }

        .eyebrow,
        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--blue);
            font-size: 12px;
            font-weight: 800;
            letter-spacing: .12em;
        }

        .eyebrow::before,
        .section-kicker::before {
            content: "";
            width: 24px;
            height: 2px;
            background: var(--coral);
        }

        .hero h1 {
            max-width: 720px;
            margin: 14px 0 20px;
            color: var(--ink);
            font-size: clamp(40px, 5vw, 64px);
            line-height: 1.14;
            letter-spacing: -.065em;
        }

        .hero-copy {
            max-width: 650px;
            margin: 0;
            color: var(--muted);
            font-size: 17px;
            line-height: 1.9;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 29px;
        }

        .button-primary,
        .button-secondary {
            min-height: 48px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 0 20px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 800;
        }

        .button-primary {
            color: #fff;
            background: var(--blue);
            box-shadow: 0 9px 20px rgba(47, 111, 237, .2);
        }

        .button-primary:hover {
            color: #fff;
            background: var(--blue-dark);
            transform: translateY(-2px);
            box-shadow: 0 13px 25px rgba(47, 111, 237, .25);
        }

        .button-secondary {
            color: var(--blue);
            border: 1px solid #bdd0ef;
            background: rgba(255, 255, 255, .72);
        }

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

        .hero-points {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 28px;
        }

        .hero-point {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #53627a;
            font-size: 13px;
            font-weight: 700;
        }

        .hero-point strong {
            color: var(--ink);
            font-size: 20px;
        }

        .index-panel {
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, .88);
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, .82);
            box-shadow: 0 18px 44px rgba(41, 75, 122, .13);
            backdrop-filter: blur(16px);
        }

        .panel-heading,
        .list-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
        }

        .panel-heading {
            padding-bottom: 17px;
            border-bottom: 1px solid var(--line);
        }

        .panel-heading strong {
            font-size: 16px;
        }

        .status-dot {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--teal);
            font-size: 12px;
            font-weight: 800;
        }

        .status-dot::before {
            content: "";
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--teal);
            box-shadow: 0 0 0 4px rgba(22, 141, 130, .12);
        }

        .index-row {
            display: grid;
            grid-template-columns: 32px 1fr auto;
            gap: 12px;
            align-items: center;
            padding: 16px 0;
            border-bottom: 1px solid #edf1f7;
        }

        .index-row:last-child {
            border-bottom: 0;
            padding-bottom: 3px;
        }

        .index-number {
            color: #9aa8bb;
            font-size: 12px;
            font-weight: 800;
        }

        .index-row strong {
            display: block;
            color: var(--ink);
            font-size: 14px;
        }

        .index-row small {
            display: block;
            margin-top: 2px;
            color: var(--muted);
            font-size: 12px;
        }

        .index-tag,
        .tag {
            display: inline-flex;
            align-items: center;
            min-height: 26px;
            padding: 0 9px;
            color: var(--blue);
            border: 1px solid #cfe0fa;
            border-radius: 7px;
            background: var(--blue-soft);
            font-size: 11px;
            font-weight: 800;
            white-space: nowrap;
        }

        .section {
            padding: 104px 0;
        }

        .section-soft {
            background: #eef4fb;
        }

        .section-heading {
            max-width: 700px;
            margin-bottom: 42px;
        }

        .section-heading h2 {
            margin: 10px 0 12px;
            color: var(--ink);
            font-size: clamp(30px, 4vw, 44px);
            line-height: 1.22;
            letter-spacing: -.045em;
        }

        .section-heading p {
            margin: 0;
            color: var(--muted);
            font-size: 16px;
            line-height: 1.85;
        }

        .service-layout {
            display: grid;
            grid-template-columns: .78fr 1.22fr;
            gap: 42px;
            align-items: start;
        }

        .service-intro {
            padding: 30px;
            border-left: 4px solid var(--blue);
            background: #fff;
            box-shadow: var(--shadow);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
        }

        .service-intro h3 {
            margin: 0 0 14px;
            font-size: 25px;
            line-height: 1.35;
        }

        .service-intro p {
            margin: 0;
            color: var(--muted);
            font-size: 15px;
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 18px;
        }

        .service-card {
            min-height: 190px;
            padding: 24px;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background: var(--surface);
            box-shadow: var(--shadow);
        }

        .service-card:hover,
        .topic-card:hover,
        .contact-card:hover {
            border-color: #b7cdf0;
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .service-icon {
            width: 38px;
            height: 38px;
            display: grid;
            place-items: center;
            margin-bottom: 19px;
            color: var(--blue);
            border-radius: 10px;
            background: var(--blue-soft);
            font-weight: 900;
        }

        .service-card h3,
        .topic-card h3 {
            margin: 0 0 8px;
            font-size: 19px;
            line-height: 1.4;
        }

        .service-card p,
        .topic-card p {
            margin: 0;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.75;
        }

        .data-layout {
            display: grid;
            grid-template-columns: .92fr 1.08fr;
            gap: 50px;
            align-items: center;
        }

        .main-stat {
            padding: 34px;
            border-radius: var(--radius-lg);
            background: var(--blue);
            box-shadow: 0 18px 38px rgba(47, 111, 237, .22);
        }

        .main-stat .stat-label,
        .main-stat p {
            color: rgba(255, 255, 255, .76);
        }

        .main-stat .stat-number {
            color: #fff;
        }

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

        .stat-number {
            display: block;
            margin: 7px 0 4px;
            color: var(--ink);
            font-size: clamp(44px, 6vw, 72px);
            font-weight: 850;
            line-height: 1;
            letter-spacing: -.07em;
        }

        .main-stat p {
            margin: 18px 0 0;
            font-size: 14px;
        }

        .stat-list {
            display: grid;
            gap: 0;
        }

        .stat-item {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 20px;
            align-items: center;
            padding: 19px 0;
            border-bottom: 1px solid var(--line);
        }

        .stat-item:first-child {
            padding-top: 0;
        }

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

        .stat-item strong {
            display: block;
            font-size: 17px;
        }

        .stat-item span {
            color: var(--muted);
            font-size: 13px;
        }

        .stat-item b {
            color: var(--blue);
            font-size: 30px;
            line-height: 1;
        }

        .topics-layout {
            display: grid;
            grid-template-columns: minmax(0, 1.12fr) minmax(270px, .88fr);
            gap: 24px;
        }

        .feature-topic,
        .topic-card {
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background: var(--surface);
            box-shadow: var(--shadow);
        }

        .feature-topic {
            min-height: 330px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 32px;
            background: linear-gradient(135deg, #fff 0%, #f1f6ff 100%);
        }

        .feature-topic h3 {
            max-width: 550px;
            margin: 20px 0 12px;
            font-size: 30px;
            line-height: 1.3;
            letter-spacing: -.04em;
        }

        .feature-topic p {
            max-width: 580px;
            margin: 0;
            color: var(--muted);
        }

        .topic-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-top: 32px;
            padding-top: 18px;
            border-top: 1px solid var(--line);
            color: var(--muted);
            font-size: 12px;
        }

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

        .topic-card {
            padding: 24px;
        }

        .topic-card .tag {
            margin-bottom: 16px;
        }

        .topic-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 17px;
            color: var(--blue);
            font-size: 13px;
            font-weight: 800;
        }

        .topic-link:hover {
            text-decoration: underline;
        }

        .route-section {
            background: #172235;
        }

        .route-section .section-kicker,
        .route-section .section-heading h2 {
            color: #fff;
        }

        .route-section .section-heading p {
            color: #b8c5d8;
        }

        .route-list {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 18px;
        }

        .route-card {
            padding: 26px;
            border: 1px solid rgba(255, 255, 255, .13);
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, .055);
        }

        .route-card:hover {
            border-color: rgba(130, 173, 255, .65);
            background: rgba(255, 255, 255, .09);
            transform: translateY(-3px);
        }

        .route-index {
            color: #8fb4ff;
            font-size: 12px;
            font-weight: 900;
            letter-spacing: .1em;
        }

        .route-card h3 {
            margin: 18px 0 9px;
            color: #fff;
            font-size: 20px;
        }

        .route-card p {
            min-height: 58px;
            margin: 0;
            color: #b8c5d8;
            font-size: 14px;
            line-height: 1.75;
        }

        .route-card a {
            display: inline-flex;
            margin-top: 20px;
            color: #9fc0ff;
            font-size: 13px;
            font-weight: 800;
        }

        .updates-layout {
            display: grid;
            grid-template-columns: 1.12fr .88fr;
            gap: 48px;
            align-items: start;
        }

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

        .update-item {
            display: grid;
            grid-template-columns: 94px 1fr auto;
            gap: 18px;
            align-items: center;
            padding: 20px 0;
            border-bottom: 1px solid var(--line);
        }

        .update-date {
            color: var(--muted);
            font-size: 12px;
            font-weight: 700;
        }

        .update-item h3 {
            margin: 0 0 3px;
            font-size: 16px;
        }

        .update-item p {
            margin: 0;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.6;
        }

        .update-arrow {
            color: var(--blue);
            font-size: 20px;
        }

        .notice-card {
            padding: 28px;
            border: 1px solid #f0d9bc;
            border-radius: var(--radius-md);
            background: #fffaf3;
        }

        .notice-card h3 {
            margin: 0 0 12px;
            font-size: 21px;
        }

        .notice-card p {
            margin: 0;
            color: #766b5f;
            font-size: 14px;
            line-height: 1.8;
        }

        .notice-list {
            display: grid;
            gap: 11px;
            margin: 20px 0 0;
            padding: 0;
            list-style: none;
        }

        .notice-list li {
            position: relative;
            padding-left: 22px;
            color: #766b5f;
            font-size: 13px;
        }

        .notice-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--coral);
            font-weight: 900;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: .72fr 1.28fr;
            gap: 55px;
            align-items: start;
        }

        .faq-note {
            color: var(--muted);
            font-size: 15px;
        }

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

        .accordion-item {
            margin-bottom: 11px;
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: 12px;
            background: #fff;
        }

        .accordion-title {
            color: var(--ink);
            border: 0;
            font-size: 15px;
            font-weight: 800;
            background: #fff;
        }

        .accordion-title:hover,
        .accordion-title:focus {
            color: var(--blue);
            background: #f8fbff;
        }

        .accordion-content {
            color: var(--muted);
            border: 0;
            background: #fff;
            font-size: 14px;
            line-height: 1.8;
        }

        .contact-wrap {
            display: grid;
            grid-template-columns: .8fr 1.2fr;
            gap: 30px;
            align-items: stretch;
        }

        .contact-card {
            padding: 32px;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background: #fff;
            box-shadow: var(--shadow);
        }

        .contact-card h2 {
            margin: 0 0 13px;
            font-size: 31px;
            line-height: 1.3;
            letter-spacing: -.04em;
        }

        .contact-card p {
            margin: 0;
            color: var(--muted);
            font-size: 15px;
        }

        .contact-process {
            display: grid;
            gap: 17px;
            margin-top: 28px;
        }

        .process-item {
            display: flex;
            gap: 13px;
            align-items: flex-start;
        }

        .process-number {
            width: 26px;
            height: 26px;
            display: grid;
            place-items: center;
            flex: 0 0 26px;
            color: var(--blue);
            border-radius: 8px;
            background: var(--blue-soft);
            font-size: 12px;
            font-weight: 900;
        }

        .process-item span:last-child {
            color: var(--muted);
            font-size: 13px;
            line-height: 1.65;
        }

        .feedback-form {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 18px;
        }

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

        label {
            display: block;
            margin-bottom: 7px;
            color: var(--ink);
            font-size: 13px;
            font-weight: 800;
        }

        input,
        select,
        textarea {
            width: 100%;
            border: 1px solid var(--line) !important;
            border-radius: 9px !important;
            background: #fbfcfe !important;
            box-shadow: none !important;
            color: var(--ink);
        }

        input,
        select {
            height: 46px;
        }

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

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--blue) !important;
            background: #fff !important;
        }

        .form-foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            grid-column: 1 / -1;
        }

        .form-hint {
            color: var(--muted);
            font-size: 12px;
        }

        .form-message {
            display: none;
            grid-column: 1 / -1;
            padding: 12px 14px;
            color: var(--teal);
            border: 1px solid #bce4dd;
            border-radius: 9px;
            background: #f0fbf8;
            font-size: 13px;
        }

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

        .site-footer {
            padding: 42px 0 26px;
            border-top: 1px solid var(--line);
            background: #fff;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 30px;
        }

        .footer-brand p {
            max-width: 360px;
            margin: 16px 0 0;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.75;
        }

        .footer-title {
            margin-bottom: 13px;
            color: var(--ink);
            font-size: 13px;
            font-weight: 900;
        }

        .footer-links {
            display: grid;
            gap: 7px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .footer-links a {
            color: var(--muted);
            font-size: 13px;
        }

        .footer-links a:hover {
            color: var(--blue);
            text-decoration: underline;
        }

        .copyright {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding-top: 21px;
            color: #8a98aa;
            border-top: 1px solid #edf1f6;
            font-size: 12px;
        }

        @media (max-width: 1023px) {
            .hero-grid,
            .service-layout,
            .data-layout,
            .topics-layout,
            .updates-layout,
            .faq-layout,
            .contact-wrap {
                grid-template-columns: 1fr;
            }

            .hero {
                padding-top: 145px;
            }

            .hero-grid {
                gap: 38px;
            }

            .index-panel {
                max-width: 680px;
            }

            .route-list {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .faq-layout {
                gap: 25px;
            }
        }

        @media (max-width: 767px) {
            .container {
                width: min(100% - 28px, var(--container));
            }

            .site-header {
                top: 10px;
            }

            .nav-shell {
                min-height: 58px;
                padding: 8px 10px 8px 14px;
            }

            .brand {
                max-width: 205px;
                font-size: 14px;
            }

            .brand-mark {
                width: 31px;
                height: 31px;
                flex-basis: 31px;
            }

            .menu-toggle {
                display: grid;
                place-items: center;
            }

            .nav-links {
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                display: none;
                padding: 10px;
                border: 1px solid var(--line);
                border-radius: 14px;
                background: #fff;
                box-shadow: var(--shadow-hover);
            }

            .nav-links.is-open {
                display: grid;
            }

            .nav-links a,
            .nav-cta {
                width: 100%;
                justify-content: flex-start;
                min-height: 44px;
            }

            .nav-cta {
                justify-content: center;
            }

            .hero {
                min-height: auto;
                padding: 125px 0 56px;
            }

            .hero h1 {
                margin-top: 12px;
                font-size: 39px;
            }

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

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

            .button-primary,
            .button-secondary {
                width: 100%;
            }

            .hero-points {
                gap: 12px 18px;
            }

            .section {
                padding: 72px 0;
            }

            .section-heading {
                margin-bottom: 28px;
            }

            .service-grid,
            .route-list {
                grid-template-columns: 1fr;
            }

            .service-intro,
            .main-stat,
            .feature-topic,
            .contact-card {
                padding: 24px;
            }

            .update-item {
                grid-template-columns: 72px 1fr auto;
                gap: 10px;
            }

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

            .feedback-form .full,
            .form-foot,
            .form-message {
                grid-column: auto;
            }

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

            .form-foot .button-primary {
                width: 100%;
            }

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

            .copyright {
                align-items: flex-start;
                flex-direction: column;
                gap: 6px;
            }
        }

        @media (max-width: 519px) {
            .index-panel {
                padding: 18px;
            }

            .index-row {
                grid-template-columns: 25px 1fr;
            }

            .index-row .index-tag {
                grid-column: 2;
                justify-self: start;
            }

            .hero h1 {
                font-size: 34px;
            }

            .section-heading h2 {
                font-size: 31px;
            }

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

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

            .update-item p {
                display: none;
            }
        }

/* roulang page: category1 */
:root{
      --ink:#172235;
      --muted:#68778e;
      --blue:#2f6fed;
      --blue-dark:#2258c5;
      --blue-soft:#eaf1ff;
      --paper:#f7f9fc;
      --white:#ffffff;
      --line:#dce5f2;
      --orange:#e6a15c;
      --teal:#3a9d91;
      --danger:#a95656;
      --radius:18px;
      --radius-sm:11px;
      --shadow:0 10px 30px rgba(41,75,122,.08);
      --shadow-hover:0 16px 36px rgba(41,75,122,.14);
      --ease:all .2s ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      font-size:16px;
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;height:auto;display:block}
    :focus-visible{outline:3px solid rgba(47,111,237,.35);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .site-header{
      position:absolute;
      z-index:20;
      top:0;
      left:0;
      right:0;
      padding:18px 0;
      transition:var(--ease);
    }
    .site-header.is-scrolled{
      position:fixed;
      padding:10px 0;
      background:rgba(255,255,255,.94);
      border-bottom:1px solid var(--line);
      box-shadow:0 8px 24px rgba(41,75,122,.08);
      backdrop-filter:blur(16px);
    }
    .nav-shell{
      min-height:64px;
      padding:9px 12px 9px 18px;
      display:flex;
      align-items:center;
      gap:26px;
      border:1px solid rgba(255,255,255,.76);
      border-radius:16px;
      background:rgba(255,255,255,.78);
      box-shadow:var(--shadow);
      backdrop-filter:blur(14px);
    }
    .is-scrolled .nav-shell{background:rgba(247,249,252,.92)}
    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:var(--ink);
      font-weight:800;
      font-size:15px;
      line-height:1.2;
      white-space:nowrap;
    }
    .brand-mark{
      width:38px;
      height:38px;
      display:grid;
      place-items:center;
      border-radius:10px;
      color:#fff;
      background:var(--blue);
      box-shadow:0 7px 15px rgba(47,111,237,.25);
      font-size:13px;
      letter-spacing:-1px;
    }
    .nav-links{
      margin-left:auto;
      display:flex;
      align-items:center;
      gap:5px;
    }
    .nav-links>a{
      min-height:42px;
      display:inline-flex;
      align-items:center;
      padding:0 13px;
      border-radius:9px;
      color:#52627a;
      font-size:14px;
    }
    .nav-links>a:hover,.nav-links>a.active{
      color:var(--blue);
      background:var(--blue-soft);
    }
    .nav-links>a.nav-cta{
      margin-left:8px;
      color:#fff;
      background:var(--blue);
      padding:0 17px;
      box-shadow:0 7px 16px rgba(47,111,237,.18);
    }
    .nav-links>a.nav-cta:hover{background:var(--blue-dark);color:#fff}
    .menu-toggle{
      display:none;
      margin-left:auto;
      border:0;
      background:transparent;
      color:var(--ink);
      font-size:25px;
      line-height:1;
      min-width:44px;
      min-height:44px;
    }
    .category-hero{
      position:relative;
      padding:166px 0 92px;
      background:
        linear-gradient(90deg,rgba(247,249,252,.96),rgba(247,249,252,.82)),
        radial-gradient(circle at 82% 22%,rgba(47,111,237,.15),transparent 30%),
        repeating-linear-gradient(0deg,transparent 0 31px,rgba(140,167,211,.08) 32px);
      border-bottom:1px solid var(--line);
      overflow:hidden;
    }
    .category-hero::after{
      content:"";
      position:absolute;
      right:-120px;
      top:90px;
      width:390px;
      height:390px;
      border:1px solid rgba(47,111,237,.16);
      border-radius:50%;
      box-shadow:0 0 0 30px rgba(47,111,237,.035),0 0 0 60px rgba(47,111,237,.025);
    }
    .breadcrumb{
      display:flex;
      gap:9px;
      align-items:center;
      margin-bottom:25px;
      color:var(--muted);
      font-size:13px;
    }
    .breadcrumb a:hover{color:var(--blue)}
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(340px,.9fr);
      gap:70px;
      align-items:end;
    }
    .eyebrow,.section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--blue);
      font-size:12px;
      font-weight:800;
      letter-spacing:.08em;
    }
    .eyebrow::before,.section-kicker::before{
      content:"";
      width:25px;
      height:2px;
      background:var(--orange);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      max-width:760px;
      margin:14px 0 20px;
      font-size:clamp(38px,5vw,62px);
      line-height:1.18;
      letter-spacing:-.045em;
      font-weight:850;
    }
    .hero-summary{
      max-width:660px;
      margin-bottom:30px;
      color:#596981;
      font-size:18px;
      line-height:1.9;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .button{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:48px;
      padding:0 20px;
      border-radius:10px;
      border:1px solid transparent;
      font-size:15px;
      font-weight:750;
      transition:var(--ease);
    }
    .button.primary{color:#fff;background:var(--blue);box-shadow:0 9px 18px rgba(47,111,237,.2)}
    .button.primary:hover{color:#fff;background:var(--blue-dark);transform:translateY(-2px)}
    .button.secondary{color:var(--blue);background:#fff;border-color:#b9ccea}
    .button.secondary:hover{color:var(--blue-dark);border-color:var(--blue);box-shadow:var(--shadow)}
    .hero-note{
      margin:22px 0 0;
      color:var(--muted);
      font-size:13px;
    }
    .index-panel{
      position:relative;
      padding:25px;
      background:rgba(255,255,255,.9);
      border:1px solid var(--line);
      border-radius:20px;
      box-shadow:var(--shadow);
    }
    .panel-heading{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      padding-bottom:18px;
      border-bottom:1px solid var(--line);
    }
    .panel-heading strong{font-size:17px}
    .status-dot{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--teal);
      font-size:12px;
      font-weight:700;
    }
    .status-dot::before{
      content:"";
      width:8px;height:8px;border-radius:50%;background:var(--teal);
      box-shadow:0 0 0 4px rgba(58,157,145,.12);
    }
    .index-row{
      display:grid;
      grid-template-columns:42px 1fr auto;
      align-items:center;
      gap:12px;
      padding:17px 0;
      border-bottom:1px solid #edf1f7;
    }
    .index-row:last-child{border-bottom:0;padding-bottom:3px}
    .index-number{color:#9aabc2;font-size:13px;font-weight:800}
    .index-row b{display:block;font-size:15px}
    .index-row small{color:var(--muted);font-size:12px}
    .index-arrow{color:var(--blue);font-size:19px}
    .section{padding:105px 0}
    .section.alt{background:#eef3fa}
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:30px;
      align-items:end;
      margin-bottom:40px;
    }
    .section-head h2{
      margin:10px 0 0;
      font-size:clamp(28px,4vw,42px);
      line-height:1.25;
      letter-spacing:-.035em;
    }
    .section-head p{max-width:430px;margin:0;color:var(--muted);font-size:15px}
    .filter-layout{
      display:grid;
      grid-template-columns:250px minmax(0,1fr);
      gap:28px;
      align-items:start;
    }
    .filter-side{
      padding:23px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .filter-side h3{margin-bottom:17px;font-size:18px}
    .filter-list{list-style:none;margin:0;padding:0}
    .filter-list li+li{margin-top:7px}
    .filter-list a{
      display:flex;
      justify-content:space-between;
      padding:9px 10px;
      color:#5f7087;
      border-radius:8px;
      font-size:14px;
    }
    .filter-list a:hover,.filter-list a.active{color:var(--blue);background:var(--blue-soft)}
    .filter-list em{font-style:normal;color:#9aaac0;font-size:12px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:7px;
      color:#58708f;
      background:#f2f6fc;
      border:1px solid #e2eaf5;
      font-size:12px;
    }
    .tag.blue{color:var(--blue);background:var(--blue-soft);border-color:#d5e2ff}
    .tag.orange{color:#9b6731;background:#fff4e6;border-color:#f2dec2}
    .listing-area{min-width:0}
    .listing-toolbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      margin-bottom:16px;
      color:var(--muted);
      font-size:13px;
    }
    .listing-toolbar select{
      width:auto;
      min-width:145px;
      height:40px;
      margin:0;
      padding:0 34px 0 12px;
      color:var(--ink);
      background-color:#fff;
      border:1px solid var(--line);
      border-radius:8px;
      font-size:13px;
    }
    .feature-entry{
      display:grid;
      grid-template-columns:145px 1fr;
      gap:22px;
      padding:22px;
      margin-bottom:14px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      transition:var(--ease);
    }
    .feature-entry:hover{border-color:#b9ccef;box-shadow:var(--shadow-hover);transform:translateY(-2px)}
    .entry-visual{
      min-height:125px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      padding:15px;
      border-radius:12px;
      color:#fff;
      background:linear-gradient(145deg,#4e83ee,#8ca7d3);
      overflow:hidden;
    }
    .entry-visual.orange{background:linear-gradient(145deg,#dc9b5e,#efc58d)}
    .entry-visual.teal{background:linear-gradient(145deg,#3b968e,#8dcac3)}
    .entry-visual span{font-size:12px;opacity:.9}
    .entry-visual strong{font-size:22px;line-height:1.25}
    .entry-meta{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:8px;color:var(--muted);font-size:12px}
    .entry-meta .tag{min-height:24px}
    .feature-entry h3{margin:0 0 7px;font-size:21px;line-height:1.35}
    .feature-entry p{margin:0 0 13px;color:var(--muted);font-size:14px;line-height:1.7}
    .entry-link{color:var(--blue);font-size:13px;font-weight:750}
    .entry-link:hover{text-decoration:underline}
    .entry-link span{display:inline-block;margin-left:4px;transition:var(--ease)}
    .entry-link:hover span{transform:translateX(4px)}
    .usage-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
    }
    .usage-card{
      min-height:210px;
      padding:28px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .usage-card:nth-child(2){margin-top:38px}
    .usage-card:nth-child(3){margin-top:-16px}
    .usage-card .step{
      display:inline-grid;
      place-items:center;
      width:35px;height:35px;
      margin-bottom:20px;
      color:var(--blue);
      background:var(--blue-soft);
      border-radius:9px;
      font-size:13px;
      font-weight:800;
    }
    .usage-card h3{margin-bottom:9px;font-size:21px}
    .usage-card p{margin-bottom:0;color:var(--muted);font-size:14px}
    .faq-wrap{max-width:850px;margin:0 auto}
    .accordion{background:transparent;margin:0}
    .accordion-item{
      margin-bottom:12px;
      border:1px solid var(--line);
      border-radius:12px;
      overflow:hidden;
      background:#fff;
      box-shadow:0 5px 16px rgba(41,75,122,.04);
    }
    .accordion-title{
      padding:19px 50px 19px 20px;
      color:var(--ink);
      font-size:15px;
      font-weight:750;
      border:0;
      background:#fff;
    }
    .accordion-title:hover{color:var(--blue);background:#fbfcff}
    .accordion-content{
      padding:0 20px 20px;
      border:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .contact-section{padding:92px 0;background:#eaf1ff}
    .contact-grid{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:60px;
      align-items:start;
    }
    .contact-copy h2{margin:12px 0 16px;font-size:clamp(29px,4vw,43px);line-height:1.25}
    .contact-copy p{color:#5e7088;font-size:15px}
    .contact-points{list-style:none;margin:25px 0 0;padding:0}
    .contact-points li{position:relative;padding-left:25px;color:#53657c;font-size:14px}
    .contact-points li+li{margin-top:10px}
    .contact-points li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:800}
    .contact-form{
      padding:28px;
      background:#fff;
      border:1px solid #d3e0f3;
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    label{display:block;margin-bottom:7px;color:#52647d;font-size:13px;font-weight:700}
    input,select,textarea{
      width:100%;
      margin:0 0 17px;
      padding:11px 13px;
      color:var(--ink);
      background:#fbfcff;
      border:1px solid var(--line);
      border-radius:9px;
      box-shadow:none;
      transition:var(--ease);
    }
    input,select{height:46px}
    textarea{min-height:125px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(47,111,237,.1)}
    .form-tip{margin:11px 0 0;color:var(--muted);font-size:12px}
    .form-message{display:none;margin:0 0 15px;padding:10px 12px;color:#23766e;background:#e8f7f4;border-radius:8px;font-size:13px}
    .site-footer{
      padding:58px 0 24px;
      background:#fff;
      border-top:1px solid var(--line);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr;
      gap:50px;
      padding-bottom:40px;
    }
    .footer-brand .brand{margin-bottom:17px}
    .footer-brand p{max-width:390px;margin:0;color:var(--muted);font-size:13px;line-height:1.8}
    .footer-title{margin-bottom:14px;font-size:14px;font-weight:800}
    .footer-links{list-style:none;margin:0;padding:0}
    .footer-links li+li{margin-top:7px}
    .footer-links a{color:var(--muted);font-size:13px}
    .footer-links a:hover{color:var(--blue);text-decoration:underline}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:20px;
      color:#8795a9;
      border-top:1px solid var(--line);
      font-size:12px;
    }
    @media(max-width:1023px){
      .hero-grid{grid-template-columns:1fr;gap:36px}
      .index-panel{max-width:680px}
      .filter-layout{grid-template-columns:210px minmax(0,1fr)}
      .contact-grid{gap:35px}
    }
    @media(max-width:767px){
      .container{width:min(100% - 28px,600px)}
      .site-header{padding:10px 0}
      .nav-shell{padding-left:12px}
      .menu-toggle{display:block}
      .nav-links{
        display:none;
        position:absolute;
        top:78px;
        left:14px;
        right:14px;
        flex-direction:column;
        align-items:stretch;
        gap:4px;
        padding:10px;
        background:#fff;
        border:1px solid var(--line);
        border-radius:14px;
        box-shadow:var(--shadow-hover);
      }
      .nav-links.is-open{display:flex}
      .nav-links>a{justify-content:flex-start;padding:0 14px}
      .nav-links>a.nav-cta{margin:4px 0 0}
      .category-hero{padding:139px 0 65px}
      h1{font-size:39px}
      .hero-summary{font-size:16px}
      .section{padding:72px 0}
      .section-head{display:block;margin-bottom:28px}
      .section-head p{margin-top:15px}
      .filter-layout{display:block}
      .filter-side{margin-bottom:22px}
      .filter-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}
      .filter-list li{flex:0 0 auto}
      .filter-list li+li{margin-top:0}
      .filter-list a{white-space:nowrap}
      .filter-side h3{margin-bottom:10px}
      .tag-cloud{margin-top:14px}
      .feature-entry{grid-template-columns:1fr;gap:16px;padding:17px}
      .entry-visual{min-height:100px}
      .usage-grid{grid-template-columns:1fr}
      .usage-card,.usage-card:nth-child(2),.usage-card:nth-child(3){margin:0}
      .contact-grid{grid-template-columns:1fr}
      .form-row{grid-template-columns:1fr;gap:0}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-brand{grid-column:1/-1}
      .copyright{display:block}
      .copyright span{display:block}
      .copyright span+span{margin-top:5px}
    }
    @media(max-width:519px){
      .brand{font-size:13px}
      .brand-mark{width:34px;height:34px}
      .hero-actions .button{width:100%}
      .listing-toolbar{align-items:flex-start;flex-direction:column}
      .listing-toolbar select{width:100%}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category2 */
:root{
      --blue:#2f6fed;
      --blue-deep:#2057c7;
      --blue-soft:#eaf1ff;
      --ink:#172235;
      --muted:#66748a;
      --paper:#f7f9fc;
      --white:#ffffff;
      --line:#dce5f2;
      --warm:#e6a15c;
      --warm-soft:#fff3e5;
      --green:#2e9b83;
      --danger:#a95858;
      --radius:18px;
      --radius-sm:11px;
      --shadow:0 10px 30px rgba(41,75,122,.08);
      --shadow-hover:0 16px 38px rgba(41,75,122,.14);
      --ease:all .2s ease;
    }

    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      font-size:16px;
      line-height:1.8;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--blue)}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(47,111,237,.35);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:108px 0}
    .section-soft{background:#eef4fc}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--blue);
      font-weight:700;
      font-size:13px;
      letter-spacing:.08em;
    }
    .eyebrow::before{
      content:"";
      width:24px;
      height:2px;
      background:var(--warm);
      display:inline-block;
    }
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{color:var(--ink);letter-spacing:-.035em}
    h1{font-size:clamp(38px,5vw,62px);line-height:1.16;margin:20px 0 22px}
    h2{font-size:clamp(30px,4vw,42px);line-height:1.25;margin:15px 0 20px}
    h3{font-size:21px;line-height:1.4;margin:0 0 10px}
    .muted{color:var(--muted)}
    .section-heading{max-width:700px;margin-bottom:42px}
    .section-heading p{color:var(--muted);font-size:17px;line-height:1.85}
    .site-header{
      position:absolute;
      top:0;
      left:0;
      right:0;
      z-index:20;
      padding:18px 0;
      transition:var(--ease);
    }
    .site-header.is-scrolled{
      position:fixed;
      background:rgba(255,255,255,.94);
      backdrop-filter:blur(16px);
      box-shadow:0 4px 20px rgba(31,61,108,.08);
      border-bottom:1px solid var(--line);
      padding:11px 0;
    }
    .nav-shell{
      display:flex;
      align-items:center;
      gap:30px;
      min-height:58px;
      padding:9px 12px 9px 16px;
      background:rgba(255,255,255,.74);
      border:1px solid rgba(255,255,255,.88);
      box-shadow:var(--shadow);
      border-radius:15px;
      backdrop-filter:blur(14px);
    }
    .is-scrolled .nav-shell{background:transparent;border-color:transparent;box-shadow:none;padding-left:0;padding-right:0}
    .brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;line-height:1.2;white-space:nowrap}
    .brand-mark{
      display:grid;
      place-items:center;
      width:36px;
      height:36px;
      border-radius:10px;
      color:#fff;
      background:var(--blue);
      font-size:13px;
      letter-spacing:-.08em;
    }
    .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav-links>a{
      min-height:42px;
      display:inline-flex;
      align-items:center;
      padding:0 14px;
      border-radius:9px;
      color:#40516b;
      font-size:14px;
      font-weight:600;
    }
    .nav-links>a:hover,.nav-links>a.active{background:var(--blue-soft);color:var(--blue)}
    .nav-links>a.nav-cta{background:var(--blue);color:#fff;padding:0 17px;margin-left:8px}
    .nav-links>a.nav-cta:hover{background:var(--blue-deep);color:#fff}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--ink);font-size:25px;line-height:1;padding:5px}
    .page-hero{
      position:relative;
      overflow:hidden;
      padding:170px 0 82px;
      background:
        radial-gradient(circle at 85% 20%,rgba(47,111,237,.12),transparent 27%),
        linear-gradient(180deg,#edf4ff 0%,#f7f9fc 86%);
    }
    .page-hero::after{
      content:"";
      position:absolute;
      width:420px;
      height:420px;
      right:-190px;
      bottom:-260px;
      border:1px solid rgba(47,111,237,.18);
      border-radius:50%;
      box-shadow:0 0 0 35px rgba(47,111,237,.035),0 0 0 70px rgba(47,111,237,.025);
    }
    .breadcrumbs{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:23px}
    .breadcrumbs a:hover{text-decoration:underline}
    .breadcrumbs span{color:#a5b2c3}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(350px,.92fr);gap:70px;align-items:end}
    .hero-copy{max-width:700px}
    .hero-copy p{max-width:680px;color:var(--muted);font-size:18px;line-height:1.85;margin-bottom:28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .button{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:0 19px;
      border-radius:10px;
      font-weight:700;
      font-size:14px;
      border:1px solid transparent;
      transition:var(--ease);
    }
    .button.primary{color:#fff;background:var(--blue);box-shadow:0 8px 18px rgba(47,111,237,.2)}
    .button.primary:hover{color:#fff;background:var(--blue-deep);transform:translateY(-2px)}
    .button.secondary{color:var(--blue);background:#fff;border-color:#b9ccef}
    .button.secondary:hover{border-color:var(--blue);background:var(--blue-soft)}
    .index-panel{
      position:relative;
      z-index:1;
      background:#fff;
      border:1px solid var(--line);
      border-radius:20px;
      box-shadow:var(--shadow-hover);
      padding:25px;
    }
    .panel-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
    .panel-title{font-weight:800}
    .live-dot{display:inline-flex;align-items:center;gap:7px;color:var(--green);font-size:12px;font-weight:700}
    .live-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(46,155,131,.12)}
    .countdown{margin:18px 0;padding:13px 15px;background:var(--warm-soft);border-radius:12px;color:#855827;font-size:13px}
    .countdown strong{font-size:20px;margin-left:7px;color:#68451f;letter-spacing:.08em}
    .index-row{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid #edf1f7}
    .index-row:last-child{border-bottom:0;padding-bottom:3px}
    .index-number{color:var(--blue);font-weight:800;font-size:13px;padding-top:2px}
    .index-row h3{font-size:16px;margin-bottom:3px}
    .index-row p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}
    .tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:7px;
      background:var(--blue-soft);
      color:var(--blue);
      font-size:12px;
      font-weight:700;
    }
    .tag.warm{background:var(--warm-soft);color:#9a612c}
    .tag.green{background:#e8f6f1;color:#247b68}
    .filter-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:30px;align-items:start}
    .filter-card{
      position:sticky;
      top:95px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:23px;
      box-shadow:var(--shadow);
    }
    .filter-card h3{font-size:18px;padding-bottom:16px;border-bottom:1px solid var(--line)}
    .filter-label{display:block;margin:20px 0 9px;color:var(--muted);font-size:13px;font-weight:700}
    .filter-select{
      width:100%;
      height:43px;
      padding:0 11px;
      border:1px solid var(--line);
      border-radius:9px;
      background:#fff;
      color:var(--ink);
      font-size:14px;
    }
    .filter-check{display:flex;gap:9px;align-items:center;color:#526177;font-size:14px;margin:10px 0}
    .filter-check input{accent-color:var(--blue)}
    .filter-note{margin:21px 0 0;padding-top:17px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);line-height:1.7}
    .results-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:17px}
    .results-head h2{font-size:26px;margin:0}
    .result-count{color:var(--muted);font-size:13px}
    .result-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
    .result-item{display:grid;grid-template-columns:80px minmax(0,1fr) auto;gap:20px;align-items:center;padding:24px 27px;border-bottom:1px solid var(--line);transition:var(--ease)}
    .result-item:last-child{border-bottom:0}
    .result-item:hover{background:#fbfdff}
    .result-code{font-size:24px;font-weight:800;color:#b6c4d9}
    .result-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:7px}
    .result-date{color:var(--muted);font-size:12px}
    .result-item h3{font-size:19px;margin-bottom:5px}
    .result-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .result-link{color:var(--blue);font-size:13px;font-weight:700;white-space:nowrap}
    .result-link:hover{text-decoration:underline}
    .result-link span{display:inline-block;transition:var(--ease)}
    .result-link:hover span{transform:translateX(4px)}
    .notice-bar{
      margin-top:23px;
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:16px 18px;
      border:1px solid #efd9bb;
      border-radius:12px;
      background:#fffaf4;
      color:#795b39;
      font-size:13px;
      line-height:1.7;
    }
    .notice-icon{font-weight:800;color:var(--warm)}
    .feature-section{padding:95px 0;background:#fff}
    .feature-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}
    .feature-main,.feature-side-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
    .feature-main{padding:30px;min-height:260px;position:relative;overflow:hidden}
    .feature-main::before{content:"更新专题";position:absolute;right:25px;top:23px;color:#d8e2f1;font-size:45px;font-weight:900;letter-spacing:-.08em}
    .feature-main h3{position:relative;max-width:520px;font-size:28px;margin-top:22px}
    .feature-main p{position:relative;max-width:600px;color:var(--muted);line-height:1.85}
    .feature-side{display:grid;gap:28px}
    .feature-side-card{padding:23px}
    .feature-side-card h3{font-size:18px}
    .feature-side-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.75}
    .process-section{background:#eef4fc}
    .process-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch}
    .process-intro{padding:12px 10px 12px 0}
    .process-intro p{color:var(--muted);line-height:1.85}
    .process-list{display:grid;gap:12px}
    .process-item{display:grid;grid-template-columns:48px 1fr;gap:15px;align-items:start;padding:17px 20px;background:#fff;border:1px solid var(--line);border-radius:13px}
    .process-no{color:var(--blue);font-size:13px;font-weight:800}
    .process-item h3{font-size:17px;margin-bottom:3px}
    .process-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
    .faq-section{background:#fff}
    .faq-wrap{max-width:850px}
    .accordion{background:transparent;margin:0}
    .accordion-title{
      padding:20px 48px 20px 0;
      border:0;
      border-top:1px solid var(--line);
      color:var(--ink);
      font-size:17px;
      font-weight:700;
    }
    .accordion-title:hover{background:transparent;color:var(--blue)}
    .accordion-content{padding:0 35px 20px 0;border:0;color:var(--muted);font-size:14px;line-height:1.8;background:transparent}
    .accordion-item:last-child .accordion-title{border-bottom:1px solid var(--line)}
    .contact-section{padding:94px 0}
    .contact-box{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;padding:44px;border-radius:22px;background:#173461;color:#fff;box-shadow:0 18px 45px rgba(23,52,97,.16)}
    .contact-box h2{color:#fff;margin-top:15px}
    .contact-box p{color:#cad8ed;line-height:1.85}
    .contact-points{display:grid;gap:13px;margin-top:27px}
    .contact-point{display:flex;gap:11px;color:#e6eefb;font-size:14px}
    .contact-point b{color:#f4c58d}
    .contact-form{padding:26px;border-radius:16px;background:#fff;color:var(--ink)}
    .contact-form label{display:block;color:#526177;font-size:13px;font-weight:700;margin-bottom:15px}
    .contact-form input,.contact-form select,.contact-form textarea{width:100%;margin-top:7px;border:1px solid var(--line);border-radius:9px;box-shadow:none;background:#fbfdff}
    .contact-form input,.contact-form select{height:43px}
    .contact-form textarea{min-height:105px;resize:vertical}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .form-message{display:none;color:var(--green);font-size:13px;margin:10px 0 0}
    .site-footer{padding:58px 0 25px;background:#fff;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:45px;padding-bottom:42px}
    .footer-brand p{max-width:430px;color:var(--muted);font-size:13px;line-height:1.8;margin:18px 0 0}
    .footer-title{font-size:14px;font-weight:800;margin-bottom:14px}
    .footer-links{list-style:none;margin:0;padding:0;display:grid;gap:8px;color:var(--muted);font-size:13px}
    .footer-links a:hover{color:var(--blue);text-decoration:underline}
    .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:19px;border-top:1px solid var(--line);color:#8a98ab;font-size:12px}
    @media(max-width:1023px){
      .hero-grid{grid-template-columns:1fr;gap:38px}
      .index-panel{max-width:680px}
      .filter-layout{grid-template-columns:220px minmax(0,1fr)}
      .contact-box{gap:30px}
    }
    @media(max-width:767px){
      .container{width:min(100% - 28px,680px)}
      .section{padding:74px 0}
      .site-header{padding:12px 0}
      .nav-shell{position:relative;padding:8px 12px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-links{
        display:none;
        position:absolute;
        left:12px;
        right:12px;
        top:66px;
        padding:10px;
        flex-direction:column;
        align-items:stretch;
        gap:3px;
        background:#fff;
        border:1px solid var(--line);
        border-radius:13px;
        box-shadow:var(--shadow-hover);
      }
      .nav-links.is-open{display:flex}
      .nav-links>a{justify-content:flex-start;min-height:45px}
      .nav-links>a.nav-cta{margin:5px 0 0}
      .page-hero{padding:128px 0 60px}
      h1{font-size:39px}
      .hero-copy p{font-size:16px}
      .filter-layout{display:block}
      .filter-card{position:static;margin-bottom:22px}
      .results-head{align-items:flex-start;flex-direction:column;gap:5px}
      .result-item{grid-template-columns:42px minmax(0,1fr);gap:12px;padding:20px 17px}
      .result-link{grid-column:2}
      .result-code{font-size:19px}
      .result-item h3{font-size:17px}
      .feature-grid,.process-grid,.contact-box{grid-template-columns:1fr}
      .feature-side{grid-template-columns:1fr 1fr}
      .contact-box{padding:27px 20px}
      .form-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-brand{grid-column:1/-1}
      .copyright{flex-direction:column;gap:4px}
    }
    @media(max-width:520px){
      .brand{font-size:13px}
      .brand-mark{width:32px;height:32px;font-size:12px}
      .feature-side{grid-template-columns:1fr}
      .hero-actions .button{width:100%}
      .contact-form{padding:20px 16px}
    }