/* roulang page: index */
:root {
            --color-primary: #2E6BD8;
            --color-primary-dark: #1F4F9E;
            --color-primary-soft: #EAF1FB;
            --color-accent: #F5A623;
            --color-teal: #1B9E8F;
            --color-danger: #D55858;
            --color-title: #182B49;
            --color-body: #3E5270;
            --color-muted: #7C8DA6;
            --bg-body: #F4F7FB;
            --bg-surface: #FFFFFF;
            --bg-soft: #EAF2FA;
            --border-light: #E3EAF3;
            --shadow-card: 0 6px 20px rgba(24, 43, 73, 0.06);
            --shadow-hover: 0 12px 28px rgba(24, 43, 73, 0.10);
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-badge: 999px;
            --section-space: 100px;
            --body-font: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--body-font);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-body);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

        button {
            font-family: inherit;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        [tabindex]:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
        }

        .section-pad {
            padding-top: var(--section-space);
            padding-bottom: var(--section-space);
        }

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

        .section-bg-soft {
            background: linear-gradient(135deg, #EAF1FB 0%, #F7FAFD 100%);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-primary-soft);
            border: 1px solid rgba(46, 107, 216, 0.12);
            border-radius: var(--radius-badge);
            padding: 5px 14px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.4;
            letter-spacing: -0.2px;
            color: var(--color-title);
            margin: 0 0 14px 0;
        }

        .section-intro {
            font-size: 16px;
            color: var(--color-body);
            max-width: 760px;
            line-height: 1.9;
            margin: 0;
        }

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

        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 24px;
            transition: all .2s ease;
            border-width: 1px;
        }

        .btn-accent {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #1D2B42;
        }

        .btn-accent:hover,
        .btn-accent:focus {
            background: #EE9B0D;
            border-color: #EE9B0D;
            color: #14213B;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 166, 35, 0.25);
        }

        .btn-outline-primary {
            background: var(--bg-surface);
            border-color: #B9CDEA;
            color: var(--color-primary);
        }

        .btn-outline-primary:hover,
        .btn-outline-primary:focus {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
        }

        .btn-main {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }

        .btn-main:hover,
        .btn-main:focus {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(46, 107, 216, 0.18);
        }

        .btn-light-outline {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        .btn-light-outline:hover,
        .btn-light-outline:focus {
            background: #fff;
            color: var(--color-primary-dark);
        }

        .badge-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary-soft);
            color: var(--color-primary-dark);
            border-radius: var(--radius-badge);
            padding: 4px 12px;
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
        }

        .badge-teal {
            background: rgba(27, 158, 143, 0.12);
            color: var(--color-teal);
        }

        .badge-danger {
            background: rgba(213, 88, 88, 0.10);
            color: var(--color-danger);
        }

        .hover-card {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            background: var(--bg-surface);
            box-shadow: var(--shadow-card);
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .hover-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: saturate(140%) blur(10px);
            border-bottom: 1px solid #E6EDF6;
        }

        .site-header .navbar {
            min-height: 72px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .site-header .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--color-title);
            font-size: 18px;
            font-weight: 700;
            padding: 8px 0;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: var(--color-primary);
            color: #fff;
            flex: 0 0 auto;
        }

        .brand-logo svg {
            width: 19px;
            height: 19px;
            fill: currentColor;
        }

        .site-header .navbar-nav {
            gap: 6px;
        }

        .site-header .navbar-nav .nav-link {
            color: var(--color-body);
            font-weight: 500;
            padding: 7px 16px;
            border-radius: var(--radius-badge);
        }

        .site-header .navbar-nav .nav-link:hover {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        .site-header .navbar-nav .nav-link.active {
            color: var(--color-primary-dark);
            background: var(--color-primary-soft);
            font-weight: 600;
            box-shadow: inset 0 -2px 0 var(--color-primary);
        }

        .header-cta {
            padding: 8px 18px;
            font-size: 15px;
        }

        .navbar-toggler {
            border-color: rgba(46, 107, 216, 0.2);
            border-radius: 8px;
            padding: 6px 8px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(46, 107, 216, 0.12);
        }

        .hero {
            background: linear-gradient(120deg, #F7FAFD 0%, #EAF1FB 100%);
            padding: 84px 0 72px;
            overflow: hidden;
        }

        .hero .container {
            position: relative;
        }

        .hero-copy {
            padding-right: 46px;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(46, 107, 216, 0.10);
            border: 1px solid rgba(46, 107, 216, 0.12);
            color: var(--color-primary-dark);
            font-size: 14px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-badge);
            margin-bottom: 24px;
        }

        .hero-kicker svg {
            width: 15px;
            height: 15px;
            fill: currentColor;
        }

        .hero h1 {
            font-size: 43px;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: -0.5px;
            color: var(--color-title);
            margin: 0 0 22px 0;
        }

        .hero p {
            font-size: 16px;
            line-height: 2;
            color: var(--color-body);
            max-width: 560px;
            margin: 0 0 32px 0;
        }

        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-visual {
            position: relative;
        }

        .hero-image-wrap {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            background: var(--color-primary-soft);
            border: 1px solid rgba(46, 107, 216, 0.12);
            box-shadow: 0 22px 50px rgba(24, 43, 73, 0.10);
        }

        .hero-image-wrap img {
            width: 100%;
            display: block;
            object-fit: cover;
            min-height: 340px;
        }

        .hero-image-badge {
            position: absolute;
            top: 22px;
            left: 22px;
            z-index: 3;
            background: #ffffff;
            border-radius: var(--radius-badge);
            padding: 8px 14px;
            color: var(--color-primary-dark);
            font-size: 13px;
            font-weight: 600;
            box-shadow: 0 6px 18px rgba(24, 43, 73, 0.10);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-note-card {
            margin: 18px 0 0;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 16px;
            padding: 20px 22px;
            box-shadow: var(--shadow-card);
        }

        .hero-note-card .note-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-title);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .hero-note-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 6px 0;
            display: grid;
            gap: 8px;
        }

        .hero-note-card li {
            font-size: 14px;
            color: var(--color-body);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .trustbar {
            border-bottom: 1px solid var(--border-light);
            background: rgba(255, 255, 255, 0.86);
            padding: 26px 0;
        }

        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--color-body);
            font-size: 15px;
            font-weight: 500;
        }

        .trust-item .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-accent);
            flex: 0 0 auto;
        }

        .trust-item .trust-check {
            color: var(--color-teal);
        }

        .route-card {
            display: block;
            padding: 0;
            overflow: hidden;
        }

        .route-card-inner {
            padding: 36px;
        }

        .route-bottom-note {
            background: #F7FAFD;
            border-left: 4px solid var(--color-teal);
            padding: 16px 22px;
            border-radius: 4px 12px 12px 4px;
            margin-top: 28px;
            font-size: 15px;
            color: var(--color-body);
            line-height: 1.9;
        }

        .route-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin: 26px 0 0 0;
        }

        .route-step {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 16px;
            padding: 20px;
            min-height: 130px;
        }

        .route-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            margin-bottom: 12px;
        }

        .route-step h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-title);
            margin-bottom: 8px;
        }

        .route-step p {
            font-size: 14px;
            color: var(--color-body);
            margin: 0;
            line-height: 1.8;
        }

        .problem-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-top: 20px;
        }

        .problem-card {
            padding: 34px;
        }

        .problem-card .problem-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--color-primary-soft);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--color-primary);
        }

        .problem-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-title);
            margin-bottom: 14px;
        }

        .problem-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 20px 0;
        }

        .problem-card ul li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 8px;
            color: var(--color-body);
            line-height: 1.8;
        }

        .problem-card ul li::before {
            content: "";
            position: absolute;
            left: 2px;
            top: 14px;
            width: 6px;
            height: 6px;
            border-radius: 2px;
            background: var(--color-primary);
        }

        .problem-card ul li.danger-li::before {
            background: var(--color-danger);
        }

        .problem-card ul li.teal-li::before {
            background: var(--color-teal);
        }

        .text-link {
            color: var(--color-primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .scene-wrap {
            position: relative;
            margin-top: 34px;
        }

        .scene-item {
            display: grid;
            grid-template-columns: 120px 1fr 240px;
            gap: 30px;
            padding: 32px 0;
            border-bottom: 1px solid var(--border-light);
        }

        .scene-item:first-child {
            border-top: 1px solid var(--border-light);
        }

        .scene-no {
            font-size: 42px;
            font-weight: 800;
            line-height: 1;
            color: rgba(46, 107, 216, 0.18);
            letter-spacing: -1px;
            padding-top: 4px;
        }

        .scene-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-title);
            margin-bottom: 10px;
        }

        .scene-content p {
            margin: 0 0 10px;
            max-width: 620px;
            line-height: 1.9;
        }

        .scene-route {
            background: var(--color-primary-soft);
            border-radius: 12px;
            padding: 16px 20px;
            color: var(--color-primary-dark);
            line-height: 1.7;
            font-size: 14px;
            align-self: center;
        }

        .evidence-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 28px;
            align-items: stretch;
        }

        .evidence-main {
            background: var(--bg-surface);
            border: 1px solid var(--border-light);
            border-radius: 20px;
            padding: 36px;
            box-shadow: var(--shadow-card);
        }

        .evidence-image {
            border-radius: 20px;
            overflow: hidden;
            min-height: 260px;
            background: var(--color-primary-soft);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
        }

        .evidence-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            min-height: 260px;
        }

        .quote-mark {
            font-size: 42px;
            line-height: 0.6;
            color: var(--color-primary);
            margin-bottom: 10px;
            font-family: "Georgia", serif;
        }

        .evidence-lead {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary-dark);
            margin: 0 0 12px;
        }

        .evidence-main blockquote {
            border: 0;
            padding: 0;
            margin: 0 0 18px;
            color: var(--color-title);
            font-size: 18px;
            line-height: 2;
        }

        .evidence-main blockquote p {
            margin: 0;
        }

        .evidence-tag-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
        }

        .fee-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .fee-card {
            padding: 30px;
            display: flex;
            flex-direction: column;
        }

        .fee-card h3 {
            font-size: 21px;
            font-weight: 700;
            color: var(--color-title);
            margin-bottom: 6px;
        }

        .fee-card .fee-sub {
            color: var(--color-muted);
            font-size: 14px;
            margin-bottom: 22px;
        }

        .table-fee-wrap {
            overflow-x: auto;
        }

        .fee-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            min-width: 460px;
        }

        .fee-table th {
            text-align: left;
            color: var(--color-muted);
            font-weight: 600;
            padding: 10px 8px 10px 0;
            border-bottom: 1px solid var(--border-light);
            background: transparent;
        }

        .fee-table td {
            padding: 14px 16px 14px 0;
            color: var(--color-body);
            border-bottom: 1px solid #EDF2F8;
            vertical-align: middle;
        }

        .fee-table tr:last-child td {
            border-bottom: 0;
        }

        .fee-status {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            font-size: 13px;
            font-weight: 600;
            background: var(--color-primary-soft);
            color: var(--color-teal);
            white-space: nowrap;
        }

        .fee-status.danger {
            background: rgba(213, 88, 88, 0.10);
            color: var(--color-danger);
        }

        .memory-note {
            background: var(--color-primary-soft);
            border-radius: 12px;
            padding: 14px 16px;
            font-size: 14px;
            color: var(--color-primary-dark);
            margin-top: 18px;
            line-height: 1.7;
        }

        .news-section {
            background: linear-gradient(135deg, #F4F7FB 0%, #EAF1FB 100%);
        }

        .news-head {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 30px;
        }

        .news-area .section-title {
            margin-bottom: 6px;
        }

        .news-list {
            display: grid;
            gap: 18px;
        }

        .news-row {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 16px;
            transition: all .22s ease;
        }

        .news-row:hover {
            transform: translateY(-3px);
            border-color: rgba(46, 107, 216, 0.2);
            box-shadow: var(--shadow-hover);
        }

        .news-row-link {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 22px;
            align-items: center;
            padding: 24px 28px;
        }

        .news-row-info {
            min-width: 0;
        }

        .news-row-head {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-bottom: 6px;
        }

        .news-row-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-title);
            margin: 4px 0 6px;
            line-height: 1.5;
        }

        .news-row-info a.news-title-link:hover .news-row-title {
            color: var(--color-primary);
        }

        .news-row-summary {
            font-size: 15px;
            color: var(--color-body);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin: 0;
            line-height: 1.8;
        }

        .news-row-meta {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 8px;
            min-width: 130px;
        }

        .news-row-meta time {
            font-size: 14px;
            color: var(--color-muted);
            white-space: nowrap;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
        }

        .read-more svg {
            width: 15px;
            height: 15px;
            fill: currentColor;
        }

        .news-empty {
            background: #fff;
            border: 1px dashed #C6D6EA;
            border-radius: 16px;
            min-height: 180px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: var(--color-muted);
        }

        .news-empty-inner svg {
            width: 34px;
            height: 34px;
            color: var(--color-teal);
            fill: currentColor;
            margin: 0 auto 10px;
            display: block;
        }

        .faq-wrap {
            max-width: 920px;
            margin: 30px auto 0;
        }

        .faq-wrap .accordion-item {
            background: transparent;
            border: 0;
            border-bottom: 1px solid var(--border-light);
        }

        .faq-wrap .accordion-button {
            font-size: 16px;
            font-weight: 500;
            color: var(--color-title);
            background: transparent;
            padding: 22px 18px 22px 0;
            box-shadow: none;
            line-height: 1.7;
        }

        .faq-wrap .accordion-button:not(.collapsed) {
            color: var(--color-primary-dark);
            font-weight: 600;
            background: transparent;
            box-shadow: none;
        }

        .faq-wrap .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232E6BD8'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
            transform: rotate(0deg);
        }

        .faq-wrap .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%237C8DA6'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
            background-position: center;
            transition: transform .2s ease;
        }

        .faq-wrap .accordion-button:focus {
            box-shadow: none;
        }

        .faq-wrap .accordion-button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .faq-wrap .accordion-body {
            padding: 0 46px 24px 0;
            color: var(--color-body);
            line-height: 1.95;
        }

        .faq-wrap .accordion-body ul {
            margin: 10px 0 0;
            padding-left: 18px;
        }

        .faq-wrap .accordion-body li {
            margin-bottom: 4px;
        }

        .cta-band {
            position: relative;
            overflow: hidden;
            background: #14294D;
            border-radius: 24px;
            padding: 56px 56px;
        }

        .cta-band h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-band p {
            color: rgba(255, 255, 255, 0.78);
            max-width: 620px;
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 26px;
        }

        .cta-band .btn-accent {
            color: #182B49;
            background: var(--color-accent);
        }

        .site-footer {
            background: #fff;
            border-top: 1px solid var(--border-light);
            padding-top: 64px;
            padding-bottom: 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1.3fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-title);
            margin-bottom: 16px;
        }

        .footer-desc {
            color: var(--color-body);
            font-size: 14px;
            line-height: 1.9;
            max-width: 340px;
            margin-bottom: 16px;
        }

        .footer-title {
            display: block;
            color: var(--color-title);
            font-weight: 600;
            font-size: 16px;
            margin-bottom: 16px;
        }

        .footer-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 8px;
        }

        .footer-list li a {
            font-size: 14px;
            color: var(--color-body);
            transition: color .2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
            justify-content: space-between;
            color: var(--color-muted);
            font-size: 13px;
            line-height: 1.8;
        }

        .footer-bottom .legal {
            max-width: 760px;
        }

        @media (max-width: 1200px) {
            .route-steps {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        @media (max-width: 991px) {
            :root {
                --section-space: 80px;
            }

            .hero {
                padding: 60px 0 50px;
            }

            .hero-copy {
                padding-right: 0;
                margin-bottom: 40px;
            }

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

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

            .scene-item {
                grid-template-columns: 70px 1fr;
                gap: 15px 22px;
            }

            .scene-route {
                grid-column: 2;
                max-width: 100%;
            }

            .site-header .navbar-collapse {
                background: #fff;
                border-bottom: 1px solid var(--border-light);
                border-radius: 0 0 16px 16px;
                padding: 12px 8px;
                box-shadow: 0 10px 24px rgba(24, 43, 73, 0.06);
            }

            .site-header .navbar-nav {
                gap: 0;
            }

            .site-header .navbar-nav .nav-link {
                padding: 10px 14px;
            }

            .header-cta {
                margin: 8px 0 4px;
                width: 100%;
            }

            .trust-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px 24px;
            }

            .problem-grid,
            .fee-layout,
            .evidence-grid {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 768px) {
            :root {
                --section-space: 64px;
            }

            .section-pad {
                padding-top: var(--section-space);
                padding-bottom: var(--section-space);
            }

            .section-title {
                font-size: 27px;
            }

            .hero h1 {
                font-size: 30px;
            }

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

            .route-card-inner {
                padding: 24px;
            }

            .problem-card,
            .evidence-main,
            .fee-card {
                padding: 24px;
            }

            .scene-item {
                grid-template-columns: 1fr;
                padding: 24px 0;
            }

            .scene-no {
                font-size: 34px;
            }

            .scene-route {
                grid-column: auto;
            }

            .news-row-link {
                grid-template-columns: 1fr;
                padding: 20px;
            }

            .news-row-meta {
                flex-direction: row;
                align-items: center;
                min-width: 0;
            }

            .cta-band {
                padding: 36px 28px;
            }

            .cta-band h2 {
                font-size: 25px;
            }
        }

        @media (max-width: 576px) {
            .trust-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px 8px;
            }

            .trust-item {
                font-size: 13px;
                gap: 6px;
            }

            .hero-note-card ul {
                grid-template-columns: 1fr;
            }

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

/* roulang page: category1 */
:root {
            --color-primary: #2E6BD8;
            --color-primary-dark: #1F4F9E;
            --color-primary-soft: #EAF1FB;
            --color-accent: #F5A623;
            --color-teal: #1B9E8F;
            --color-danger: #D55858;
            --color-title: #182B49;
            --color-body: #3E5270;
            --color-muted: #7C8DA6;
            --bg-body: #F4F7FB;
            --bg-surface: #FFFFFF;
            --bg-soft: #EAF2FA;
            --border-color: #E3EAF3;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 6px 20px rgba(24, 43, 73, 0.06);
            --shadow-md: 0 12px 28px rgba(24, 43, 73, 0.10);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--color-body);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--color-primary-dark);
        }

        ul,
        ol,
        p {
            margin-bottom: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5 {
            color: var(--color-title);
            line-height: 1.35;
        }

        .container {
            max-width: 1200px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1080;
            background: rgba(255, 255, 255, 0.96);
            border-bottom: 1px solid #E6EDF6;
            backdrop-filter: blur(8px);
        }

        .site-header .navbar {
            min-height: 72px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-title) !important;
            letter-spacing: 0.2px;
        }

        .navbar-brand .brand-logo svg {
            width: 30px;
            height: 30px;
            fill: currentColor;
            color: var(--color-primary);
        }

        .navbar-brand:hover {
            color: var(--color-primary) !important;
        }

        .site-header .navbar-nav {
            gap: 4px;
        }

        .site-header .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px !important;
            font-weight: 500;
            color: var(--color-body);
            border-radius: var(--radius-sm);
            position: relative;
            transition: all 0.2s ease;
        }

        .site-header .nav-link:hover {
            color: var(--color-primary);
            background: rgba(46, 107, 216, 0.05);
        }

        .site-header .nav-link.active {
            color: var(--color-primary);
            background: var(--color-primary-soft);
            font-weight: 600;
        }

        .site-header .nav-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 4px;
        }

        .header-cta {
            margin-left: 12px;
            white-space: nowrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            letter-spacing: 0.2px;
            padding: 10px 22px;
            border: 1px solid transparent;
            font-family: var(--font-sans);
            transition: all 0.2s ease;
        }

        .btn:focus,
        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            box-shadow: none;
        }

        .btn-accent {
            background: var(--color-accent);
            color: #1D2B42 !important;
            border-color: var(--color-accent);
        }

        .btn-accent:hover {
            background: #E0900F;
            border-color: #E0900F;
            color: #1D2B42 !important;
        }

        .btn-primary {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff !important;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }

        .btn-outline-primary {
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
            background: #fff;
        }

        .btn-outline-primary:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }

        .navbar-toggler {
            border: none;
            background: transparent;
            padding: 8px;
            line-height: 0;
        }

        .navbar-toggler:hover,
        .navbar-toggler:focus {
            background: var(--color-primary-soft);
            border-radius: var(--radius-sm);
            box-shadow: none;
        }

        /* ===== 页面面包屑 ===== */
        .crumb-strip {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-color);
            padding: 14px 0;
        }

        .breadcrumb {
            margin-bottom: 0;
            font-size: 0.9rem;
        }

        .breadcrumb-item a {
            color: var(--color-muted);
        }

        .breadcrumb-item.active {
            color: var(--color-body);
        }

        .breadcrumb-item+.breadcrumb-item::before {
            color: #B6C3D6;
        }

        /* ===== 分类页头部 ===== */
        .category-hero {
            background: linear-gradient(135deg, #EAF1FB 0%, #F7FAFD 100%);
            border-bottom: 1px solid var(--border-color);
            padding: 64px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .category-hero .category-marker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(27, 158, 143, 0.1);
            color: var(--color-teal);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 18px;
        }

        .category-hero .category-marker i {
            font-size: 0.9rem;
        }

        .category-hero h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }

        .category-hero .hero-lead {
            color: var(--color-body);
            font-size: 1.1rem;
            max-width: 780px;
            line-height: 1.9;
        }

        /* ===== 安全提醒横条 ===== */
        .notice-safety {
            background: #FFFFFF;
            border-left: 4px solid var(--color-teal);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            display: grid;
            grid-template-columns: 42px 1fr;
            gap: 16px;
            margin: 32px 0;
        }

        .notice-safety i {
            color: var(--color-teal);
            font-size: 1.6rem;
            margin-top: 2px;
        }

        .notice-safety p {
            color: var(--color-body);
            font-size: 1rem;
        }

        /* ===== 区块通用 ===== */
        .section-block {
            padding: 88px 0;
        }

        .section-block.bg-white {
            background: #FFFFFF;
        }

        .section-label {
            color: var(--color-primary);
            font-size: 0.88rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: block;
        }

        .section-title {
            font-size: clamp(1.6rem, 3.2vw, 2.2rem);
            font-weight: 700;
            letter-spacing: -0.3px;
            margin-bottom: 14px;
        }

        .section-subtitle {
            color: var(--color-muted);
            font-size: 1rem;
            max-width: 760px;
        }

        .section-head {
            margin-bottom: 40px;
        }

        /* ===== 准备清单 ===== */
        .prep-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .prep-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            box-shadow: var(--shadow-sm);
            transition: all 0.2s ease;
            height: 100%;
        }

        .prep-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .prep-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 1.4rem;
            margin-bottom: 18px;
        }

        .prep-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .prep-card p {
            font-size: 0.95rem;
            color: var(--color-muted);
            line-height: 1.8;
        }

        /* ===== 注册流程 ===== */
        .process-wrap {
            background: linear-gradient(180deg, #FFFFFF 0%, #F7FAFD 100%);
            border-radius: var(--radius-lg);
            padding: 48px;
            border: 1px solid var(--border-color);
            position: relative;
        }

        .process-step {
            display: grid;
            grid-template-columns: 70px 1fr;
            gap: 24px;
            padding-bottom: 36px;
            position: relative;
        }

        .process-step:last-child {
            padding-bottom: 0;
        }

        .process-step:not(:last-child)::before {
            content: "";
            position: absolute;
            left: 35px;
            top: 64px;
            bottom: 0;
            width: 2px;
            background: repeating-linear-gradient(to bottom, #C9D9F0 0 8px, transparent 8px 14px);
        }

        .step-num {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            border: 2px solid #FFFFFF;
            box-shadow: 0 0 0 1px var(--color-primary);
            z-index: 1;
        }

        .process-step .step-content {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 22px 28px;
            box-shadow: var(--shadow-sm);
        }

        .process-step .step-content h3 {
            font-size: 1.08rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .process-step .step-content p {
            font-size: 0.95rem;
            color: var(--color-body);
            line-height: 1.8;
        }

        .step-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: var(--color-primary-soft);
            color: var(--color-primary-dark);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }

        /* ===== 验证码关键操作 ===== */
        .verify-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            height: 100%;
        }

        .verify-card .verify-img {
            height: 280px;
            object-fit: cover;
            width: 100%;
        }

        .verify-body {
            padding: 32px;
        }

        .verify-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 14px;
        }

        .verify-list li {
            position: relative;
            padding-left: 28px;
            font-size: 0.98rem;
            line-height: 1.8;
        }

        .verify-list li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--color-teal);
            font-size: 1rem;
        }

        .tick-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: all 0.2s ease;
        }

        .tick-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .tick-card i {
            color: var(--color-teal);
            font-size: 1.2rem;
            width: 32px;
        }

        .tick-card h3 {
            font-size: 1.02rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .tick-card p {
            font-size: 0.93rem;
            color: var(--color-muted);
        }

        /* ===== 风险提示 ===== */
        .danger-note {
            background: #FDF6F6;
            border-left: 4px solid var(--color-danger);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            display: grid;
            grid-template-columns: 40px 1fr;
            gap: 14px;
            margin: 32px 0 0;
        }

        .danger-note i {
            color: var(--color-danger);
            font-size: 1.4rem;
            margin-top: 2px;
        }

        .danger-note strong {
            color: #A64040;
        }

        .danger-note p {
            color: var(--color-body);
            font-size: 0.98rem;
        }

        /* ===== 双栏参照 ===== */
        .reference-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .reference-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .reference-card .reference-head {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 20px 28px;
            font-weight: 700;
            font-size: 1rem;
            border-bottom: 1px solid var(--border-color);
        }

        .reference-card.safe .reference-head {
            background: rgba(27, 158, 143, 0.08);
            color: var(--color-teal);
        }

        .reference-card.danger .reference-head {
            background: rgba(213, 88, 88, 0.07);
            color: var(--color-danger);
        }

        .reference-card .reference-head i {
            font-size: 1.2rem;
        }

        .reference-list {
            padding: 12px 28px 20px;
            list-style: none;
            margin: 0;
        }

        .reference-list li {
            padding: 12px 0;
            border-bottom: 1px solid #F0F4F9;
            font-size: 0.96rem;
            color: var(--color-body);
            display: flex;
            gap: 10px;
            align-items: flex-start;
        }

        .reference-list li:last-child {
            border-bottom: none;
        }

        .reference-list li i {
            margin-top: 4px;
        }

        .reference-card.safe .reference-list li i {
            color: var(--color-teal);
        }

        .reference-card.danger .reference-list li i {
            color: var(--color-danger);
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            border: none;
            border-bottom: 1px solid var(--border-color);
            background: transparent;
            border-radius: 0 !important;
        }

        .faq-accordion .accordion-item:last-child {
            border-bottom: none;
        }

        .faq-accordion .accordion-button {
            background: transparent;
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--color-title);
            padding: 20px 18px 20px 0;
            box-shadow: none !important;
            border-radius: 0 !important;
            font-family: var(--font-sans);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: transparent;
        }

        .faq-accordion .accordion-button::after {
            content: "+";
            background-image: none;
            width: auto;
            height: auto;
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--color-primary);
            transition: transform 0.2s ease;
            transform: none;
            line-height: 1;
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            content: "\00d7";
            color: var(--color-primary);
            transform: rotate(0deg);
            font-size: 1.6rem;
        }

        .faq-accordion .accordion-body {
            padding: 0 18px 22px 0;
            color: var(--color-body);
            font-size: 0.96rem;
            line-height: 1.9;
        }

        .faq-accordion .accordion-body ol,
        .faq-accordion .accordion-body ul {
            padding-left: 18px;
            margin-bottom: 4px;
        }

        .faq-accordion .accordion-body li {
            margin-bottom: 8px;
        }

        /* ===== CTA ===== */
        .page-cta {
            background: #FFFFFF;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 50px 0;
        }

        .cta-box {
            background: linear-gradient(135deg, #EAF1FB, #F7FAFD);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 32px;
            align-items: center;
            padding: 40px 48px;
        }

        .cta-box .cta-title {
            margin-bottom: 8px;
        }

        .cta-box .cta-text {
            color: var(--color-muted);
        }

        .cta-box .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: flex-end;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #FFFFFF;
            border-top: 1px solid var(--border-color);
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-title);
            margin-bottom: 12px;
        }

        .footer-brand .brand-logo svg {
            width: 28px;
            height: 28px;
            fill: var(--color-primary);
        }

        .footer-desc {
            color: var(--color-muted);
            font-size: 0.92rem;
            max-width: 380px;
            line-height: 1.9;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-title);
            display: block;
            margin-bottom: 18px;
        }

        .footer-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 10px;
        }

        .footer-list a {
            color: var(--color-muted);
            font-size: 0.93rem;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 24px;
            align-items: start;
            color: var(--color-muted);
            font-size: 0.85rem;
            line-height: 1.8;
        }

        .footer-bottom .legal {
            font-size: 0.83rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .section-block {
                padding: 64px 0;
            }

            .site-header .navbar {
                min-height: 64px;
            }

            .site-header .navbar-collapse {
                background: #FFFFFF;
                padding: 16px;
                border-radius: var(--radius-md);
                box-shadow: var(--shadow-md);
                margin-top: 8px;
                border: 1px solid var(--border-color);
            }

            .site-header .navbar-nav {
                gap: 2px;
                margin-bottom: 12px;
            }

            .site-header .nav-link {
                display: block;
                padding: 12px 16px !important;
            }

            .site-header .nav-link.active::after {
                display: none;
            }

            .header-cta {
                margin-left: 0;
                width: 100%;
            }

            .site-header .navbar-brand {
                font-size: 1.05rem;
            }

            .category-hero {
                padding: 48px 0;
            }

            .notice-safety {
                margin: 24px 0;
            }

            .prep-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .process-wrap {
                padding: 32px 24px;
            }

            .process-step {
                grid-template-columns: 56px 1fr;
                gap: 18px;
            }

            .step-num {
                width: 56px;
                height: 56px;
            }

            .process-step:not(:last-child)::before {
                left: 28px;
            }

            .reference-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .cta-box {
                grid-template-columns: 1fr;
                padding: 32px;
            }

            .cta-box .cta-actions {
                justify-content: flex-start;
            }

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

            .footer-bottom {
                grid-template-columns: 1fr;
                gap: 8px;
            }
        }

        @media (max-width: 767.98px) {
            .section-block {
                padding: 56px 0;
            }

            .category-hero h1 {
                font-size: 1.8rem;
            }

            .category-hero .hero-lead {
                font-size: 1rem;
            }

            .process-wrap {
                padding: 24px 16px;
            }

            .process-step {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .step-num {
                width: 44px;
                height: 44px;
                border-radius: var(--radius-sm);
                font-size: 0.85rem;
            }

            .process-step:not(:last-child)::before {
                display: none;
            }

            .process-step .step-content {
                padding: 18px;
            }

            .verify-body {
                padding: 24px;
            }

            .cta-box {
                padding: 28px 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 575.98px) {
            .navbar-brand {
                font-size: 0.98rem;
            }

            .navbar-brand .brand-logo svg {
                width: 26px;
                height: 26px;
            }

            .prep-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .notice-safety {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 18px;
            }

            .danger-note {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 18px;
            }

            .verify-body {
                padding: 20px;
            }

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

            .cta-box {
                padding: 24px 18px;
            }

            .cta-box .btn {
                width: 100%;
            }

            .footer-bottom {
                font-size: 0.8rem;
            }
        }

        @media (max-width: 360px) {
            .navbar .container {
                padding-left: 12px;
                padding-right: 12px;
            }

            .navbar-brand span:last-child {
                font-size: 0.9rem;
            }

            .category-hero {
                padding: 36px 0;
            }
        }

/* roulang page: article */
:root {
    --color-primary: #2E6BD8;
    --color-primary-dark: #1F4F9E;
    --color-primary-soft: #EAF1FB;
    --color-accent: #F5A623;
    --color-teal: #1B9E8F;
    --color-danger: #D55858;
    --color-title: #182B49;
    --color-body: #3E5270;
    --color-muted: #7C8DA6;
    --color-border: #E3EAF3;
    --bg-body: #F4F7FB;
    --bg-surface: #FFFFFF;
    --bg-soft: #EAF2FA;
    --radius-lg: 16px;
    --radius-md: 8px;
    --radius-pill: 999px;
    --shadow-card: 0 6px 20px rgba(24, 43, 73, 0.06);
    --shadow-hover: 0 12px 28px rgba(24, 43, 73, 0.10);
    --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg-body);
    color: var(--color-body);
    font-family: var(--font-cn);
    font-size: 16px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 0.45em;
    color: var(--color-title);
}

a {
    text-decoration: none;
    transition: color 0.2s ease;
}

img {
    max-width: 100%;
    display: inline-block;
    vertical-align: middle;
}

.container {
    max-width: 1200px;
}

::selection {
    background: rgba(46, 107, 216, 0.18);
    color: var(--color-title);
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1090;
    background: rgba(255, 255, 255, 0.97);
    border-bottom: 1px solid #E6EDF6;
}

.site-header .navbar {
    min-height: 72px;
    padding-top: 0;
    padding-bottom: 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--color-title);
    letter-spacing: -0.3px;
}

.navbar-brand:hover {
    color: var(--color-primary);
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    flex: 0 0 auto;
    border-radius: 10px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
}

.brand-logo svg {
    width: 21px;
    height: 21px;
    fill: currentColor;
}

.navbar-nav {
    gap: 6px;
}

.navbar-nav .nav-link {
    position: relative;
    padding: 25px 16px 23px;
    font-weight: 500;
    color: #55657F;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus-visible {
    color: var(--color-primary);
}

.navbar-nav .nav-link.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.navbar-toggler {
    border: 1px solid #D5E1F0;
    border-radius: 8px;
    padding: 6px 10px;
    background: transparent;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.35);
}

.btn {
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 500;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.btn-accent {
    background: var(--color-accent);
    border: 1px solid var(--color-accent);
    color: #1D2B42;
    font-weight: 600;
}

.btn-accent:hover,
.btn-accent:focus-visible {
    background: #E8971C;
    border-color: #E8971C;
    color: #16233A;
    box-shadow: 0 8px 20px rgba(245, 166, 35, 0.24);
}

.btn-outline-soft {
    background: var(--bg-surface);
    border: 1px solid #C9D6E8;
    color: var(--color-primary);
}

.btn-outline-soft:hover {
    background: var(--color-primary-soft);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.header-cta {
    padding-top: 9px;
    padding-bottom: 9px;
    margin-left: 6px;
}

.article-banner {
    position: relative;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.93), rgba(255, 255, 255, 0.97)),
        url('/assets/images/backpic/back-3.png') center / cover no-repeat;
    border-bottom: 1px solid var(--color-border);
}

.article-banner-inner {
    padding: 46px 0 36px;
}

.breadcrumb-like {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    margin: 0 0 20px;
    padding: 0;
    list-style: none;
    font-size: 14px;
    color: var(--color-muted);
}

.breadcrumb-like li {
    display: inline-flex;
    align-items: center;
    min-width: 0;
}

.breadcrumb-like li + li::before {
    content: "/";
    margin: 0 8px;
    color: #B8C6DA;
}

.breadcrumb-like a {
    color: var(--color-muted);
}

.breadcrumb-like a:hover {
    color: var(--color-primary);
}

.breadcrumb-like .current {
    display: block;
    max-width: 260px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #485B78;
}

.category-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 13px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 500;
    background: var(--color-primary-soft);
    color: #2359A8;
}

.chip-teal {
    background: #E2F4F2;
    color: #0E756A;
}

.meta-date {
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    color: var(--color-muted);
}

.post-title {
    max-width: 860px;
    margin: 0;
    font-size: clamp(30px, 4vw, 44px);
    font-weight: 700;
    line-height: 1.28;
    letter-spacing: -0.5px;
    color: var(--color-title);
}

.article-main {
    padding: 44px 0 0;
}

.article-column {
    max-width: 800px;
    margin: 0 auto;
}

.read-note {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin: 0 0 30px;
    padding: 16px 18px;
    background: #F0F7FC;
    border: 1px solid #D9E7F3;
    border-left: 4px solid var(--color-teal);
    border-radius: 12px;
    font-size: 14px;
    color: #3A5670;
    line-height: 1.75;
}

.read-note::before {
    content: "•";
    display: inline-block;
    margin-top: 2px;
    font-size: 24px;
    line-height: 1;
    color: var(--color-teal);
}

.article-body {
    background-color: var(--bg-body);
    padding: 8px 0 22px;
}

.article-content {
    color: var(--color-body);
    font-size: 16px;
    line-height: 1.9;
}

.article-content p {
    margin: 1.25em 0;
}

.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5 {
    margin-top: 1.9em;
    margin-bottom: 0.7em;
    scroll-margin-top: 100px;
}

.article-content h2 {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.2px;
    padding-bottom: 0.42em;
    border-bottom: 1px solid #EAF0F7;
}

.article-content h3 {
    font-size: 21px;
    font-weight: 600;
}

.article-content h4 {
    font-size: 18px;
    font-weight: 600;
}

.article-content ul,
.article-content ol {
    margin: 1.15em 0;
    padding-left: 1.55em;
}

.article-content li {
    margin: 0.42em 0;
}

.article-content ul li::marker {
    color: var(--color-primary);
}

.article-content ol li::marker {
    color: var(--color-primary);
    font-weight: 600;
}

.article-content a {
    color: var(--color-primary);
    border-bottom: 1px solid rgba(46, 107, 216, 0.35);
}

.article-content a:hover {
    color: var(--color-primary-dark);
    border-bottom-color: var(--color-primary-dark);
}

.article-content blockquote {
    margin: 1.6em 0;
    padding: 18px 20px;
    background: #F6F9FC;
    border-left: 4px solid var(--color-primary);
    border-radius: 0 12px 12px 0;
    color: #4A5A72;
}

.article-content img {
    height: auto;
    border-radius: 14px;
    margin: 1.3em 0;
    box-shadow: var(--shadow-card);
}

.article-content img.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.article-content table {
    width: 100%;
    margin: 1.4em 0;
    border-collapse: collapse;
    font-size: 14px;
    background: var(--bg-surface);
    border-radius: 10px;
    overflow: hidden;
}

.article-content th {
    text-align: left;
    padding: 10px 12px;
    background: #F0F5FB;
    color: #263D5F;
    font-weight: 600;
    border-bottom: 1px solid #E0E8F2;
}

.article-content td {
    padding: 10px 12px;
    border-bottom: 1px solid #EDF2F8;
    vertical-align: top;
}

.article-content tr:last-child td {
    border-bottom: 0;
}

.article-content code,
.article-content kbd {
    background: #F0F3F8;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.9em;
    padding: 2px 6px;
    border-radius: 5px;
}

.empty-state {
    max-width: 560px;
    margin: 52px auto;
    padding: 54px 40px;
    text-align: center;
    background: var(--bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.empty-state-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 62px;
    height: 62px;
    margin-bottom: 18px;
    background: #E8F5F3;
    color: var(--color-teal);
    border-radius: 18px;
    font-size: 30px;
    font-weight: 600;
}

.empty-state p {
    margin: 10px 0 22px;
    color: var(--color-muted);
}

.empty-state .btn {
    display: inline-flex;
}

.post-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin: 30px 0 12px;
    padding: 16px 0;
    border-top: 1px solid #E7EDF5;
    border-bottom: 1px solid #E7EDF5;
    font-size: 14px;
}

.post-bottom a {
    color: var(--color-primary);
    font-weight: 500;
}

.post-bottom a:hover {
    color: var(--color-primary-dark);
}

.article-extra-card {
    display: grid;
    grid-template-columns: 1.35fr 0.85fr;
    gap: 28px;
    align-items: center;
    margin: 32px 0;
    padding: 26px;
    background: var(--bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.extra-copy h2 {
    font-size: 21px;
    margin-bottom: 10px;
}

.extra-copy p {
    margin: 6px 0;
    color: #485B78;
    font-size: 14px;
}

.extra-media img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 22px rgba(24, 43, 73, 0.12);
}

.related-guide {
    margin: 46px auto 0;
    max-width: 800px;
}

.related-title {
    font-size: 22px;
    margin-bottom: 14px;
}

.related-lines {
    background: var(--bg-surface);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.related-row {
    display: grid;
    grid-template-columns: 22px 1fr auto;
    gap: 14px;
    align-items: center;
    padding: 18px 22px;
    border-bottom: 1px solid #EAF0F7;
    transition: background-color 0.2s ease;
}

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

.related-row:hover {
    background: #F7FAFD;
}

.related-arrow {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.related-row strong {
    display: block;
    color: var(--color-title);
    font-weight: 600;
    font-size: 15px;
    line-height: 1.5;
    transition: color 0.2s ease;
}

.related-row small {
    color: var(--color-muted);
    font-size: 13px;
}

.article-callout {
    max-width: 800px;
    margin: 38px auto 0;
    padding: 26px;
    background: #F2F7FD;
    border: 1px solid #D7E6F2;
    border-radius: var(--radius-lg);
    text-align: center;
}

.article-callout h2 {
    font-size: 20px;
    margin-bottom: 6px;
}

.article-callout p {
    margin: 0 auto 18px;
    max-width: 640px;
    color: #50627D;
    font-size: 14px;
}

.site-footer {
    margin-top: 68px;
    padding: 48px 0 22px;
    background: var(--bg-surface);
    border-top: 1px solid #DFE8F3;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.9fr 0.9fr;
    gap: 40px;
    margin-bottom: 32px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 19px;
    font-weight: 700;
    color: var(--color-title);
}

.footer-desc {
    margin-top: 12px;
    max-width: 360px;
    color: var(--color-muted);
    font-size: 14px;
    line-height: 1.8;
}

.footer-title {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--color-title);
}

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

.footer-list li {
    margin: 6px 0;
}

.footer-list a {
    color: #52647E;
    font-size: 14px;
}

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

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid #E9EFF6;
    font-size: 13px;
    color: var(--color-muted);
}

.legal {
    margin-top: 10px;
    max-width: 1100px;
    line-height: 1.8;
    color: #8FA2BC;
}

@media (max-width: 991.98px) {
    .site-header .navbar {
        min-height: 62px;
    }

    .navbar-brand {
        font-size: 18px;
    }

    .navbar-collapse {
        background: var(--bg-surface);
        padding: 14px 10px 18px;
        margin-top: 8px;
        border-top: 1px solid #E9F0F7;
        box-shadow: 0 12px 22px rgba(24, 43, 73, 0.08);
        border-radius: 0 0 14px 14px;
    }

    .navbar-nav .nav-link {
        padding: 10px 14px;
        border-bottom: 0;
        border-radius: 8px;
    }

    .navbar-nav .nav-link.active {
        background: var(--color-primary-soft);
        color: var(--color-primary);
    }

    .header-cta {
        margin: 10px 10px 0;
    }
}

@media (max-width: 767.98px) {
    .article-banner-inner {
        padding: 34px 0 26px;
    }

    .post-title {
        font-size: 29px;
    }

    .article-column {
        padding-left: 18px;
        padding-right: 18px;
    }

    .article-extra-card {
        grid-template-columns: 1fr;
        padding: 20px;
    }

    .article-callout {
        margin-left: 16px;
        margin-right: 16px;
    }

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

    .breadcrumb-like .current {
        max-width: 170px;
    }
}

@media (max-width: 575.98px) {
    .related-row {
        grid-template-columns: 1fr;
        row-gap: 4px;
        padding: 16px 18px;
    }

    .related-arrow {
        width: 20px;
        height: 20px;
    }

    .empty-state {
        padding: 36px 22px;
    }

    .article-body {
        padding-top: 4px;
    }

    .read-note {
        padding: 13px 15px;
        font-size: 13px;
    }
}

/* roulang page: category2 */
:root {
            --color-primary: #2E6BD8;
            --color-primary-dark: #1F4F9E;
            --color-primary-soft: #EAF1FB;
            --color-accent: #F5A623;
            --color-teal: #1B9E8F;
            --color-danger: #D55858;
            --color-title: #182B49;
            --color-body: #3E5270;
            --color-muted: #7C8DA6;
            --bg-body: #F4F7FB;
            --bg-surface: #FFFFFF;
            --bg-soft: #EAF2FA;
            --border-light: #E3EAF3;
            --radius-lg: 16px;
            --radius-md: 8px;
            --shadow-default: 0 6px 20px rgba(24, 43, 73, 0.06);
            --shadow-hover: 0 12px 28px rgba(24, 43, 73, 0.10);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

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

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color .2s ease;
        }

        a:hover {
            color: var(--color-primary-dark);
        }

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

        button {
            border: none;
            background: none;
        }

        .container {
            max-width: 1200px;
        }

        /* 通用按钮 */
        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            padding: 10px 22px;
            transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
            border: 1px solid transparent;
        }

        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #1D2B42;
        }

        .btn-accent:hover {
            background: #E09515;
            border-color: #D28C0F;
            color: #1D2B42;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(245, 166, 35, 0.18);
        }

        .btn-outline-primary {
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
        }

        .btn-outline-primary:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            border: 1px solid rgba(255,255,255,0.75);
            color: #fff;
            background: transparent;
        }

        .btn-outline-light:hover {
            background: rgba(255,255,255,0.12);
            border-color: #fff;
            color: #fff;
        }

        .badge-tag {
            display: inline-block;
            background: var(--color-primary-soft);
            color: var(--color-primary-dark);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            padding: 2px 12px;
        }

        .badge-warn {
            display: inline-block;
            background: rgba(213, 88, 88, 0.10);
            color: #B04444;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            padding: 2px 12px;
        }

        .badge-safe {
            display: inline-block;
            background: rgba(27, 158, 143, 0.12);
            color: var(--color-teal);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            padding: 2px 12px;
        }

        /* 导航 */
        .site-header {
            background: #fff;
            border-bottom: 1px solid #E6EDF6;
            position: sticky;
            top: 0;
            z-index: 1045;
            box-shadow: 0 2px 12px rgba(24,43,73,0.03);
        }

        .site-header .navbar {
            min-height: 72px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .site-header .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--color-title);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .site-header .navbar-brand:hover {
            color: var(--color-primary);
        }

        .brand-logo {
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary-soft);
            border-radius: 10px;
        }

        .brand-logo svg {
            width: 22px;
            height: 22px;
            fill: var(--color-primary);
        }

        .site-header .navbar-nav {
            gap: 6px;
        }

        .site-header .nav-link {
            color: var(--color-body);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 16px;
            border-radius: 999px;
            position: relative;
        }

        .site-header .nav-link:hover {
            color: var(--color-primary);
            background: #F5F8FD;
        }

        .site-header .nav-link.active {
            color: var(--color-primary);
            background: var(--color-primary-soft);
            font-weight: 600;
        }

        .site-header .header-cta {
            font-size: 15px;
            margin-left: 8px;
            padding: 9px 20px;
            white-space: nowrap;
        }

        .site-header .navbar-toggler {
            border: 1px solid var(--border-light);
            border-radius: 10px;
            width: 44px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .site-header .navbar-toggler:focus {
            box-shadow: 0 0 0 0.2rem rgba(46,107,216,0.12);
        }

        /* 页脚 */
        .site-footer {
            background: #fff;
            border-top: 1px solid var(--border-light);
            padding-top: 56px;
            padding-bottom: 28px;
            margin-top: 96px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr;
            gap: 48px;
            margin-bottom: 44px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            color: var(--color-title);
        }

        .footer-desc {
            color: var(--color-muted);
            font-size: 14.5px;
            max-width: 330px;
            margin-top: 14px;
            line-height: 1.8;
        }

        .footer-title {
            display: block;
            font-size: 15px;
            color: var(--color-title);
            font-weight: 600;
            margin-bottom: 14px;
        }

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

        .footer-list li {
            margin-bottom: 10px;
        }

        .footer-list a {
            color: var(--color-muted);
            font-size: 14.5px;
            transition: color .2s;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            color: var(--color-muted);
            font-size: 13px;
        }

        .footer-bottom .legal {
            max-width: 680px;
            line-height: 1.75;
        }

        /* 页面顶部 */
        .cat-page-hero {
            padding: 76px 0 56px;
            background: linear-gradient(180deg, #EAF1FB 0%, #F7FAFD 100%);
            border-bottom: 1px solid #E8EEF7;
        }

        .cat-page-hero .category-kicker {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            border: 1px solid #DDE7F5;
            border-radius: 999px;
            padding: 5px 16px;
            color: var(--color-primary-dark);
            font-weight: 600;
            font-size: 13px;
        }

        .cat-page-hero h1 {
            color: var(--color-title);
            font-size: 44px;
            line-height: 1.25;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin: 18px 0 14px;
        }

        .cat-page-hero .hero-description {
            font-size: 16.5px;
            color: var(--color-body);
            max-width: 680px;
            line-height: 1.9;
        }

        .breadcrumb {
            background: transparent;
            padding: 0;
            margin: 0 0 22px;
        }

        .breadcrumb-item a {
            color: var(--color-muted);
            font-size: 14px;
        }

        .breadcrumb-item a:hover {
            color: var(--color-primary);
        }

        .breadcrumb-item.active {
            color: var(--color-body);
            font-weight: 500;
            font-size: 14px;
        }

        .breadcrumb-item + .breadcrumb-item::before {
            content: "/";
            color: #B9C4D2;
        }

        .cat-hero-advice {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-default);
            padding: 24px;
            margin-top: 28px;
            border: 1px solid #E5EDF8;
        }

        .cat-hero-advice-label {
            font-size: 14px;
            color: var(--color-muted);
            margin-bottom: 8px;
        }

        .cat-hero-advice p {
            font-size: 15px;
            color: var(--color-body);
            margin-bottom: 10px;
            padding-left: 20px;
            position: relative;
        }

        .cat-hero-advice p::before {
            content: "";
            position: absolute;
            left: 0;
            top: 11px;
            width: 7px;
            height: 7px;
            background: var(--color-teal);
            border-radius: 50%;
        }

        /* 板块间距 */
        .sec-pad {
            padding: 88px 0;
        }

        .sec-title {
            color: var(--color-title);
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.2px;
            line-height: 1.35;
            margin-bottom: 14px;
        }

        .sec-sub {
            color: var(--color-muted);
            font-size: 16px;
            max-width: 720px;
            margin-bottom: 40px;
        }

        /* 风险提醒条 */
        .risk-alert {
            background: #FDF3F2;
            border: 1px solid #F3D8D4;
            border-left: 5px solid var(--color-danger);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

        .risk-alert .risk-icon {
            flex: 0 0 46px;
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 23px;
            box-shadow: 0 4px 12px rgba(213,88,88,0.10);
        }

        .risk-alert h2 {
            font-size: 19px;
            font-weight: 700;
            color: #8E2B2B;
            margin-bottom: 6px;
        }

        .risk-alert p {
            font-size: 15px;
            color: #6B4646;
            margin-bottom: 0;
        }

        .risk-alert .risk-tag-row {
            margin-top: 12px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .risk-tag {
            background: #fff;
            border-radius: 999px;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            border: 1px solid #F0D0CC;
            color: #A14545;
        }

        /* 安全识别对照 */
        .compare-wrap {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            align-items: start;
        }

        .compare-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-default);
            padding: 28px;
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .compare-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .compare-card.is-safe {
            border-top: 4px solid var(--color-teal);
        }

        .compare-card.is-risk {
            border-top: 4px solid var(--color-danger);
        }

        .compare-label {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            color: var(--color-title);
            font-weight: 700;
            margin-bottom: 14px;
        }

        .compare-label .point-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
        }

        .compare-card.is-safe .point-icon {
            background: rgba(27,158,143,0.12);
            color: var(--color-teal);
        }

        .compare-card.is-risk .point-icon {
            background: rgba(213,88,88,0.10);
            color: var(--color-danger);
        }

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

        .compare-list li {
            padding-left: 26px;
            position: relative;
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .compare-list .mark {
            position: absolute;
            left: 0;
            top: 2px;
            font-weight: 700;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            font-size: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .compare-card.is-safe .mark {
            background: rgba(27,158,143,0.14);
            color: var(--color-teal);
        }

        .compare-card.is-risk .mark {
            background: rgba(213,88,88,0.12);
            color: var(--color-danger);
        }

        /* 高危操作 */
        .high-risk-wrap {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-default);
            padding: 28px 32px;
        }

        .high-risk-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px 28px;
            margin-top: 18px;
        }

        .high-risk-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--color-body);
            padding: 10px 12px;
            border-radius: 12px;
            background: #FBFBFD;
            border: 1px solid #EDF1F6;
            font-size: 15px;
            line-height: 1.7;
        }

        .high-risk-item:hover {
            background: #FDF7F7;
            border-color: #F1D6D6;
        }

        .high-risk-item .item-ico {
            font-size: 21px;
            line-height: 1.3;
        }

        /* 异常处理步骤 */
        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 36px;
        }

        .step-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-default);
            padding: 28px 26px;
            position: relative;
        }

        .step-num {
            font-size: 48px;
            font-weight: 800;
            color: #DDE7F3;
            line-height: 1;
            margin-bottom: 16px;
            display: block;
        }

        .step-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-title);
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 14.5px;
            line-height: 1.8;
            color: var(--color-body);
            margin: 0;
        }

        /* 验证码重点 */
        .code-warning {
            background: #F1FBF9;
            border: 1px solid #CDEDE6;
            border-radius: var(--radius-lg);
            padding: 36px 38px;
            display: flex;
            align-items: center;
            gap: 28px;
            position: relative;
        }

        .code-warning .shield-icon {
            flex: 0 0 76px;
            width: 76px;
            height: 76px;
            background: #fff;
            border-radius: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 38px;
            box-shadow: 0 10px 28px rgba(27,158,143,0.12);
        }

        .code-warning h3 {
            font-size: 23px;
            font-weight: 700;
            color: #14635B;
            margin-bottom: 8px;
        }

        .code-warning p {
            color: #3E7170;
            font-size: 15px;
            margin-bottom: 10px;
        }

        .code-warning p strong {
            color: #0B4E47;
        }

        /* FAQ */
        .faq-section {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 32px;
            box-shadow: var(--shadow-default);
        }

        .accordion-item {
            border: none;
            border-bottom: 1px solid #E7EDF6;
            background: transparent;
            border-radius: 0 !important;
        }

        .accordion-item:last-child {
            border-bottom: none;
        }

        .accordion-button {
            background: transparent;
            color: var(--color-title);
            font-weight: 600;
            font-size: 16px;
            padding: 18px 6px;
            border: none;
            box-shadow: none;
        }

        .accordion-button:not(.collapsed) {
            background: var(--bg-soft);
            color: var(--color-primary-dark);
            border-radius: 10px;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 0.2rem rgba(46,107,216,0.10);
            border-radius: 10px;
        }

        .accordion-button::after {
            background-image: none;
            content: "+";
            font-size: 24px;
            color: var(--color-primary);
            font-weight: 400;
            width: auto;
            height: auto;
            background-size: auto;
            margin-left: auto;
            transform: rotate(0);
            transition: transform .2s ease;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--color-primary-dark);
        }

        .accordion-body {
            padding: 6px 6px 18px;
            color: var(--color-body);
            font-size: 15px;
        }

        /* CTA 区 */
        .cat-cta {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-default);
            padding: 44px;
            text-align: center;
        }

        .cat-cta h2 {
            color: var(--color-title);
            font-size: 28px;
            font-weight: 700;
        }

        .cat-cta p {
            color: var(--color-body);
            margin: 12px auto 28px;
            max-width: 720px;
        }

        .cat-cta .btn {
            margin: 0 8px;
        }

        /* 移动端 */
        @media (max-width: 1200px) {
            .footer-grid {
                grid-template-columns: 1fr 0.8fr 0.8fr;
                gap: 32px;
            }
        }

        @media (max-width: 991.98px) {
            .sec-pad {
                padding: 72px 0;
            }

            .site-header .navbar-collapse {
                background: #fff;
                padding: 16px;
                border-radius: 16px;
                box-shadow: 0 12px 32px rgba(24,43,73,0.10);
                margin-top: 8px;
                border: 1px solid #E2EAF4;
            }

            .site-header .navbar-nav {
                gap: 2px;
                margin-bottom: 14px;
            }

            .site-header .nav-link {
                padding: 10px 16px;
            }

            .site-header .header-cta {
                margin-left: 0;
                width: 100%;
            }

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

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

            .high-risk-grid {
                grid-template-columns: 1fr;
            }

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

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

            .cat-cta {
                padding: 32px 20px;
            }
        }

        @media (max-width: 767.98px) {
            .site-header .navbar-brand {
                font-size: 17px;
            }

            .cat-page-hero {
                padding: 44px 0 36px;
            }

            .cat-page-hero h1 {
                font-size: 30px;
            }

            .sec-title {
                font-size: 26px;
            }

            .sec-pad {
                padding: 56px 0;
            }

            .risk-alert {
                flex-direction: column;
                gap: 12px;
                padding: 22px;
            }

            .risk-alert .risk-icon {
                width: 40px;
                height: 40px;
            }

            .code-warning {
                flex-direction: column;
                padding: 26px 20px;
                text-align: center;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .cat-page-hero h1 {
                font-size: 27px;
            }

            .compare-card {
                padding: 22px;
            }

            .high-risk-wrap {
                padding: 22px;
            }

            .code-warning .shield-icon {
                width: 60px;
                height: 60px;
                font-size: 30px;
                border-radius: 18px;
            }

            .cat-cta .btn {
                display: block;
                width: 100%;
                margin: 8px 0;
            }
        }

        @media (max-width: 575.98px) {
            .footer-bottom {
                flex-direction: column;
            }
        }

        /* focus 可见 */
        a:focus-visible,
        button:focus-visible,
        .nav-link:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }