/* roulang page: index */
:root {
        --brand: #2F6B93;
        --brand-dark: #24577A;
        --brand-light: #EAF1F8;
        --acre: #EA7A35;
        --acre-dark: #d96a2a;
        --ok: #1F9D6C;
        --head: #1C3F58;
        --body: #36566A;
        --faint: #6A8498;
        --line: #DCE6EE;
        --pagebg: #F5F8FB;
        --card-shadow: 0 1px 2px rgba(27,61,95,.05), 0 8px 20px rgba(27,61,95,.06);
        --lift-shadow: 0 2px 4px rgba(27,61,95,.06), 0 14px 28px rgba(27,61,95,.12);
        --radius-card: 14px;
        --radius-btn: 9px;
        --radius-input: 8px;
        --radius-img: 10px;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        background-color: var(--pagebg);
        color: var(--body);
        line-height: 1.75;
        font-size: 15px;
        -webkit-font-smoothing: antialiased;
    }

    h1, h2, h3, h4, h5, h6 {
        color: var(--head);
        font-weight: 700;
        line-height: 1.3;
    }

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

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

    button {
        cursor: pointer;
        border: none;
        background: none;
        font-family: inherit;
    }

    input {
        font-family: inherit;
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        font-weight: 600;
        color: var(--brand);
        letter-spacing: .05em;
        text-transform: uppercase;
        margin-bottom: 12px;
    }
    .eyebrow::before {
        content: '';
        width: 18px;
        height: 2px;
        background: var(--acre);
        border-radius: 2px;
        display: inline-block;
    }

    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--brand);
        color: #fff;
        font-weight: 600;
        font-size: 15px;
        padding: 12px 26px;
        border-radius: var(--radius-btn);
        transition: all .2s ease;
        box-shadow: 0 2px 6px rgba(47,107,147,.18);
    }
    .btn-primary:hover {
        background: var(--brand-dark);
        box-shadow: 0 6px 16px rgba(47,107,147,.28);
        transform: translateY(-1px);
    }
    .btn-primary:focus-visible {
        outline: 2px solid var(--brand);
        outline-offset: 3px;
    }

    .btn-acre {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--acre);
        color: #fff;
        font-weight: 600;
        font-size: 15px;
        padding: 12px 26px;
        border-radius: var(--radius-btn);
        transition: all .2s ease;
        box-shadow: 0 2px 6px rgba(234,122,53,.2);
    }
    .btn-acre:hover {
        background: var(--acre-dark);
        box-shadow: 0 6px 16px rgba(234,122,53,.32);
        transform: translateY(-1px);
    }
    .btn-acre:focus-visible {
        outline: 2px solid var(--acre);
        outline-offset: 3px;
    }

    .btn-ghost {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: #fff;
        color: var(--brand);
        font-weight: 600;
        font-size: 15px;
        padding: 11px 26px;
        border-radius: var(--radius-btn);
        border: 1px solid var(--line);
        transition: all .2s ease;
    }
    .btn-ghost:hover {
        border-color: var(--brand);
        background: var(--brand-light);
    }
    .btn-ghost:focus-visible {
        outline: 2px solid var(--brand);
        outline-offset: 3px;
    }

    .section-pad {
        padding-top: 90px;
        padding-bottom: 90px;
    }

    .mini-tag {
        display: inline-flex;
        align-items: center;
        gap: 2px;
        background: var(--brand-light);
        color: var(--brand);
        font-size: 13px;
        font-weight: 600;
        padding: 3px 12px;
        border-radius: 999px;
        white-space: nowrap;
    }

    .hot-tag {
        background: #fdece0;
        color: var(--acre);
    }

    .text-primary {
        color: var(--brand) !important;
    }
    .text-acre {
        color: var(--acre) !important;
    }
    .text-faint {
        color: var(--faint) !important;
    }

    .card-common {
        background: #fff;
        border-radius: var(--radius-card);
        border: 1px solid rgba(220,230,238,.8);
        box-shadow: var(--card-shadow);
        transition: box-shadow .25s ease, transform .25s ease;
    }
    .card-common:hover {
        box-shadow: var(--lift-shadow);
        transform: translateY(-3px);
    }

    .link-more {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-weight: 600;
        font-size: 14px;
        color: var(--brand);
        transition: color .2s;
    }
    .link-more:hover {
        color: var(--acre);
    }

    .stat-num {
        font-size: 38px;
        font-weight: 800;
        color: var(--head);
        line-height: 1.2;
    }

    .nl-title {
        font-size: 26px;
        font-weight: 800;
        color: var(--head);
    }

    .nav-link {
        font-size: 15px;
        color: var(--head);
        font-weight: 500;
        padding: 8px 2px;
        position: relative;
        transition: color .2s;
    }
    .nav-link:hover {
        color: var(--brand);
    }
    .nav-link.active {
        color: var(--brand);
        font-weight: 700;
    }
    .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 2px;
        background: var(--acre);
        border-radius: 2px;
    }

    .faq-item {
        background: #fff;
        border: 1px solid rgba(220,230,238,.8);
        border-radius: 12px;
        box-shadow: var(--card-shadow);
        overflow: hidden;
        transition: box-shadow .2s;
    }
    .faq-item:hover {
        box-shadow: var(--lift-shadow);
    }
    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 18px 22px;
        font-size: 15px;
        font-weight: 600;
        color: var(--head);
        background: #fff;
        text-align: left;
    }
    .faq-question .faq-icon {
        width: 22px;
        height: 22px;
        border-radius: 50%;
        border: 1px solid var(--line);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: var(--brand);
        flex-shrink: 0;
        transition: transform .3s;
    }
    .faq-item.open .faq-icon {
        transform: rotate(45deg);
        background: var(--brand-light);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height .35s ease, padding .3s;
    }
    .faq-item.open .faq-answer {
        max-height: 400px;
        padding: 0 22px 18px;
    }
    .faq-answer-inner {
        font-size: 15px;
        line-height: 1.75;
        color: var(--body);
        border-left: 2px solid var(--brand-light);
        padding-left: 14px;
    }

    .step-node {
        flex: 1;
        position: relative;
    }
    .step-node::before {
        content: '';
        position: absolute;
        top: 24px;
        right: calc(50% + 30px);
        width: calc(100% - 60px);
        height: 2px;
        background: var(--line);
    }
    .step-node:last-child::before {
        display: none;
    }
    .step-dot {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: var(--brand-light);
        border: 2px solid #fff;
        box-shadow: 0 0 0 2px var(--brand);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        font-weight: 700;
        color: var(--brand);
        margin: 0 auto 12px;
        position: relative;
        z-index: 1;
    }

    .navbar-wrap {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 60;
        background: rgba(255,255,255,.96);
        border-bottom: 1px solid rgba(220,230,238,.8);
        transition: box-shadow .2s ease;
    }
    .navbar-wrap.scrolled {
        box-shadow: 0 4px 18px rgba(27,61,95,.06);
    }

    .nav-container {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 28px;
        height: 72px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
    }

    .logo-text {
        font-size: 20px;
        font-weight: 800;
        color: var(--head);
        letter-spacing: 0;
        line-height: 1.25;
        display: flex;
        align-items: center;
        gap: 10px;
        white-space: nowrap;
    }
    .logo-icon {
        width: 36px;
        height: 36px;
        border-radius: 9px;
        background: var(--brand);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 18px;
        flex-shrink: 0;
    }
    .logo-mini {
        font-size: 12px;
        font-weight: 500;
        color: var(--faint);
        display: block;
        line-height: 1.2;
    }

    .nav-links {
        display: flex;
        align-items: center;
        gap: 30px;
        margin-left: 42px;
    }

    .nav-actions {
        display: flex;
        align-items: center;
        gap: 14px;
    }
    .nav-search{
        width: 36px;
        height: 36px;
        border-radius: 50%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border: 1px solid var(--line);
        background: #fff;
        color: var(--brand);
        transition: box-shadow .2s, border-color .2s;
    }
    .nav-search:hover {
        border-color: var(--brand);
        box-shadow: var(--card-shadow);
    }
    .nav-divider {
        width: 1px;
        height: 24px;
        background: var(--line);
    }

    .menu-toggle {
        display: none;
        width: 42px;
        height: 42px;
        border-radius: 8px;
        border: 1px solid var(--line);
        background: #fff;
        color: var(--head);
        align-items: center;
        justify-content: center;
    }

    .footer {
        background: #1f3142;
        color: #aabaca;
        padding: 56px 0 0;
    }
    .footer h4 {
        color: #fff;
        font-size: 15px;
        margin-bottom: 18px;
        font-weight: 600;
    }
    .footer-links a {
        display: block;
        font-size: 14px;
        color: #9db0c0;
        padding: 3px 0;
        transition: color .2s;
    }
    .footer-links a:hover {
        color: #fff;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,.08);
        margin-top: 40px;
        padding: 20px 0;
        font-size: 13px;
        color: #7d95a6;
        text-align: center;
    }
    .footer .logo-text {
        color: #fff;
    }
    .footer .logo-mini {
        color: #8da5b5;
    }

    .backpic-hero {
        background-image: url('/assets/images/backpic/back-1.png');
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        position: relative;
    }
    .backpic-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.80) 42%, rgba(255,255,255,.30) 100%);
    }

    .table-wrap {
        overflow-x: auto;
        border-radius: var(--radius-card);
        background: #fff;
        border: 1px solid var(--line);
        box-shadow: var(--card-shadow);
    }
    table.equal-table {
        width: 100%;
        border-collapse: collapse;
        min-width: 780px;
        font-size: 14px;
    }
    .equal-table th {
        background: var(--brand-light);
        color: var(--head);
        font-weight: 700;
        padding: 18px 16px;
        text-align: center;
        white-space: nowrap;
    }
    .equal-table td {
        padding: 15px 16px;
        border-top: 1px solid var(--line);
        text-align: center;
        color: var(--body);
        font-size: 14px;
    }
    .equal-table th:first-child,
    .equal-table td:first-child {
        text-align: left;
        position: sticky;
        left: 0;
        background: #fff;
        z-index: 2;
        font-weight: 600;
        color: var(--head);
        min-width: 140px;
    }
    .equal-table th.rec-col {
        background: var(--brand);
        color: #fff;
    }
    .equal-table td.rec-col {
        background: rgba(47,107,147,.04);
    }
    .cur-badge {
        background: var(--acre);
        color: #fff;
        font-size: 12px;
        padding: 2px 10px;
        border-radius: 999px;
        display: inline-block;
        margin-bottom: 6px;
    }

    .feature-card {
        position: relative;
        padding: 32px 28px;
        background: #fff;
        border-radius: var(--radius-card);
        box-shadow: var(--card-shadow);
        border: 1px solid rgba(220,230,238,.8);
        transition: all .25s;
    }
    .feature-card:hover {
        box-shadow: var(--lift-shadow);
        transform: translateY(-4px);
    }
    .feature-icon {
        width: 52px;
        height: 52px;
        border-radius: 13px;
        background: var(--brand-light);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        color: var(--brand);
        margin-bottom: 18px;
    }

    .info-clear {
        display: flex;
        flex-wrap: wrap;
        gap: 14px 30px;
        background: #fff;
        border-radius: 14px;
        border: 1px solid rgba(220,230,238,.8);
        box-shadow: var(--card-shadow);
        padding: 24px 30px;
    }
    .info-clear-item {
        display: flex;
        align-items: center;
        gap: 12px;
        color: var(--body);
        font-size: 14px;
    }
    .info-clear-item i {
        color: var(--ok);
        font-size: 16px;
    }

    @media (max-width: 1100px) {
        .nav-links {
            gap: 18px;
            margin-left: 10px;
        }
        .nav-container {
            padding: 0 20px;
        }
    }

    @media (max-width: 900px) {
        .nav-links {
            display: none;
        }
        .menu-toggle {
            display: inline-flex;
        }
        .nav-divider {
            display: none;
        }
        .container {
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-pad {
            padding-top: 64px;
            padding-bottom: 64px;
        }
        .hero-title {
            font-size: 30px !important;
        }
    }

    @media (max-width: 640px) {
        .nav-container {
            height: 62px;
        }
        .logo-text {
            font-size: 17px;
            gap: 7px;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            font-size: 15px;
            border-radius: 8px;
        }
        .btn-acre,
        .btn-primary {
            font-size: 14px;
            padding: 10px 18px;
        }
        .stat-num {
            font-size: 30px;
        }
    }

    .mobile-menu {
        display: none;
        position: fixed;
        top: 62px;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--line);
        box-shadow: var(--lift-shadow);
        z-index: 55;
        padding: 16px 0;
    }
    .mobile-menu.open {
        display: block;
    }
    .mobile-menu a {
        display: block;
        font-size: 16px;
        font-weight: 500;
        color: var(--head);
        padding: 12px 24px;
        border-left: 3px solid transparent;
    }
    .mobile-menu a:hover {
        background: var(--brand-light);
        color: var(--brand);
    }
    .mobile-menu a.active {
        border-left-color: var(--acre);
        color: var(--brand);
        background: var(--brand-light);
    }

    .cover-ratio {
        aspect-ratio: 16/10;
        overflow: hidden;
        border-radius: var(--radius-card);
        background: var(--brand-light);
    }
    .cover-ratio img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .list-item {
        display: flex;
        align-items: flex-start;
        gap: 14px;
        padding: 16px 0;
        border-bottom: 1px solid rgba(220,230,238,.6);
    }
    .list-item:last-child {
        border-bottom: none;
    }
    .list-dot {
        width: 8px;
        height: 8px;
        margin-top: 10px;
        background: var(--acre);
        flex-shrink: 0;
    }

/* roulang page: category1 */
:root {
  --bg: #F5F8FB;
  --primary: #2F6B93;
  --primary-dark: #24577A;
  --primary-light: #EAF1F8;
  --orange: #EA7A35;
  --green: #1F9D6C;
  --title: #1C3F58;
  --text: #36566A;
  --muted: #6A8498;
  --border: #DCE6EE;
  --card-shadow: 0 1px 2px rgba(27,61,95,.05), 0 8px 20px rgba(27,61,95,.06);
  --card-shadow-hover: 0 2px 4px rgba(27,61,95,.06), 0 14px 28px rgba(27,61,95,.12);
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-input: 8px;
  --font-stack: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: var(--font-stack); font-size: 15px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, summary { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--border); box-shadow: 0 1px 1px rgba(27,61,95,.03); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 66px; gap: 20px; }
.header-left { display: flex; align-items: center; gap: 28px; min-width: 0; }
.logo-brand { display: inline-flex; align-items: center; gap: 9px; white-space: nowrap; color: var(--title); }
.logo-icon { width: 34px; height: 34px; border-radius: 10px; background: var(--primary); display: inline-flex; align-items: center; justify-content: center; color: #fff; }
.logo-name { font-size: 19px; font-weight: 700; letter-spacing: .01em; }
.logo-name small { display: block; font-size: 11px; font-weight: 400; color: var(--muted); margin-top: 2px; letter-spacing: .04em; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link { display: inline-block; font-size: 15px; font-weight: 500; color: var(--text); padding: 8px 14px; border-radius: 999px; transition: background .25s ease, color .25s ease; }
.nav-link:hover { background: var(--primary-light); color: var(--primary-dark); }
.nav-link.active { color: var(--primary-dark); background: var(--primary-light); font-weight: 600; }
.header-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 14px; font-weight: 600; border-radius: var(--radius-btn); padding: 9px 18px; border: 1px solid transparent; transition: box-shadow .25s ease, background .25s ease, color .25s ease, transform .15s ease; }
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
.btn-cta { background: var(--orange); color: #fff; box-shadow: 0 6px 14px rgba(234,122,53,.25); }
.btn-cta:hover { background: #d46927; box-shadow: 0 8px 18px rgba(234,122,53,.32); color:#fff; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(47,107,147,.2); }
.btn-primary:hover { background: var(--primary-dark); color:#fff; box-shadow: 0 8px 18px rgba(47,107,147,.25); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--border); }
.btn-outline:hover { background: var(--primary-light); border-color: rgba(47,107,147,.35); color: var(--primary-dark); }
.btn-outline-light { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.5); }
.btn-outline-light:hover { background: rgba(255,255,255,.16); color:#fff; border-color:#fff; }
.btn-white { background:#fff; color: var(--primary-dark); border-color:#fff; }
.btn-white:hover { background: var(--primary-light); color: var(--primary-dark); }
.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--border); background:#fff; border-radius: 10px; align-items: center; justify-content: center; cursor: pointer; color: var(--primary); transition: background .2s; }
.nav-toggle:hover { background: var(--primary-light); }

/* Banner */
.category-banner { background-size: cover; background-position: center; background-repeat: no-repeat; position: relative; padding: 110px 0 96px; overflow: hidden; }
.category-banner:before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,38,58,.82), rgba(15,38,58,.45), rgba(15,38,58,.18)); z-index: 1; }
.category-banner-content { position: relative; z-index: 2; max-width: 780px; padding-top: 20px; }
.banner-eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 5px 14px; border-radius: 999px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.25); color: #fff; font-size: 13px; font-weight: 500; letter-spacing: .05em; }
.banner-title { margin: 18px 0 14px; color:#fff; font-size: clamp(32px, 4vw, 46px); line-height: 1.2; font-weight: 800; letter-spacing: -.01em; }
.banner-title span { color:#fff; border-bottom: 3px solid rgba(255,255,255,.5); }
.banner-desc { margin: 12px 0 0; color: rgba(255,255,255,.86); max-width: 630px; font-size: 17px; line-height: 1.9; }
.banner-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 30px; }

/* Section */
.section-block { padding: 88px 0; }
.section-light { background:#fff; }
.section-soft { background: var(--primary-light); }
.section-head { max-width: 740px; margin-bottom: 42px; }
.section-head.center { margin-left:auto; margin-right:auto; text-align:center; }
.eyebrow { display: inline-flex; align-items:center; gap:6px; font-size:13px; font-weight:600; letter-spacing:.06em; color:var(--primary-dark); background: var(--primary-light); padding:5px 14px; border-radius:999px; margin-bottom:14px;}
.section-title { color: var(--title); font-size: clamp(24px, 2.9vw, 32px); line-height: 1.35; font-weight: 800; margin: 10px 0 12px; }
.section-title.light { color:#fff; }
.section-desc { color: var(--muted); font-size: 16px; line-height: 1.85; max-width: 680px; }
.section-desc.light { color: rgba(255,255,255,.75); }
.section-head.center .section-desc { margin: 0 auto; }

/* Quick chip */
.quick-warp { position: relative; z-index: 3; margin-top: -32px; }
.quick-strip { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; background:#fff; border: 1px solid var(--border); border-radius: var(--radius-card); padding: 16px 20px; box-shadow: var(--card-shadow); }
.quick-label { color: var(--muted); font-size: 13px; font-weight: 600; padding-right: 6px; white-space: nowrap; }
.chip { padding: 7px 16px; border-radius: 999px; border:1px solid var(--border); background: #fff; color: var(--text); font-size: 13px; font-weight:500; transition: all .2s; }
.chip:hover { color: var(--primary-dark); border-color: rgba(47,107,147,.35); background: var(--primary-light); }
.chip.current { background: var(--primary); color:#fff; border-color: var(--primary); font-weight:600; }

/* Card */
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; }
.card-article { background:#fff; border:1px solid var(--border); border-radius: var(--radius-card); overflow:hidden; box-shadow: var(--card-shadow); transition: transform .3s ease, box-shadow .3s ease; display:flex; flex-direction:column; }
.card-article:hover { transform: translateY(-5px); box-shadow: var(--card-shadow-hover); }
.card-media { position: relative; aspect-ratio: 16/10; overflow:hidden; background: var(--primary-light); }
.card-media img { width:100%; height:100%; object-fit:cover; }
.card-top-tag { position:absolute; left:14px; top:14px; display:inline-flex; padding:4px 12px; color:#fff; background:rgba(16,43,62,.82); border-radius:999px; font-size:12px; letter-spacing:.03em; backdrop-filter: blur(4px); }
.card-body { padding: 22px 20px 22px; display:flex; flex-direction:column; gap: 10px; flex:1; }
.card-badge { font-size:12px; color: var(--primary); background: var(--primary-light); padding:4px 10px; border-radius:999px; align-self:flex-start; font-weight:600; }
.card-title { font-size: 19px; font-weight:700; color: var(--title); line-height: 1.4; }
.card-title a:hover { color: var(--primary); }
.card-text { font-size: 15px; color: var(--text); line-height: 1.85; margin:0; }
.card-meta { margin-top:auto; display:flex; align-items:center; justify-content:space-between; border-top:1px solid var(--border); padding-top:14px; font-size:13px; color: var(--muted); }
.card-link { color: var(--primary); font-weight:600; display:inline-flex; align-items:center; gap:5px; }
.card-link:hover { color: var(--primary-dark); }

/* Info feature grid */
.info-grid { display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; }
.info-item { padding: 28px 26px; background:#fff; border:1px solid var(--border); border-radius: var(--radius-card); box-shadow: var(--card-shadow); transition: box-shadow .25s; }
.info-item:hover { box-shadow: var(--card-shadow-hover); }
.info-icon { width:44px; height:44px; border-radius: 12px; background: var(--primary-light); color: var(--primary); display:inline-flex; align-items:center; justify-content:center; font-size:22px; margin-bottom:16px; }
.info-item h3 { color: var(--title); font-size:17px; font-weight:700; margin:0 0 8px; line-height:1.5; }
.info-item p { margin:0; color: var(--muted); font-size:14px; line-height:1.8; }

/* Panel list */
.panel-block { display:grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap:18px; }
.panel-mini { background: rgba(255,255,255,.7); border: 1px solid rgba(255,255,255,.4); border-radius:14px; padding:22px 20px; backdrop-filter: blur(4px); }
.panel-mini strong { display:block; color: var(--title); font-size:15px; margin-bottom:8px; }
.panel-mini p { margin:0; font-size:14px; color: var(--muted); line-height:1.8; }
.panel-mini .icon-mark { font-size:22px; margin-bottom:10px; }

/* Step timeline */
.timeline-grid { display:grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap:22px; counter-reset: step; }
.step-card { position:relative; background:#fff; border:1px solid var(--border); border-radius: var(--radius-card); padding: 26px 22px 22px; box-shadow: var(--card-shadow); transition: box-shadow .2s, transform .2s; }
.step-card:hover { box-shadow: var(--card-shadow-hover); transform: translateY(-3px); }
.step-num { font-size:12px; color: var(--primary); letter-spacing:.04em; background:var(--primary-light); width:38px; height:38px; display:flex; align-items:center; justify-content:center; border-radius:50%; font-weight:700; margin-bottom:16px; }
.step-card h3 { color: var(--title); font-size:16px; font-weight:700; margin:0 0 7px; }
.step-card p { margin:0; color: var(--muted); font-size:14px; line-height:1.8; }

/* CTA */
.cta-area { background: var(--primary); border-radius: 20px; padding: clamp(30px, 4vw, 46px); display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; box-shadow: 0 14px 34px rgba(20,58,89,.18); position:relative; overflow:hidden; }
.cta-area:after { content:""; position:absolute; right:-70px; top:-70px; width:190px; height:190px; border-radius:50%; background: rgba(255,255,255,.07); }
.cta-area h2 { color:#fff; font-size:clamp(22px, 2.8vw, 32px); margin:0 0 10px; font-weight:800; }
.cta-area p { color: rgba(255,255,255,.8); margin:0; max-width: 560px; line-height:1.8; font-size:15px; }
.cta-actions { display:flex; gap:14px; flex-wrap:wrap; position:relative; z-index:1; }
.cta-actions .btn { min-height:46px; padding-left:26px; padding-right:26px; font-size:15px; }

/* FAQ */
.faq-list { display:grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items:start; }
.faq-item { background:#fff; border:1px solid var(--border); border-radius:12px; overflow:hidden; box-shadow:0 1px 2px rgba(27,61,95,.03); }
.faq-item summary { display:flex; align-items:center; justify-content:space-between; list-style:none; cursor:pointer; padding:17px 18px; font-weight:600; color: var(--title); font-size:15px; transition:background .2s; }
.faq-item summary::-webkit-details-marker { display:none; }
.faq-item summary:after { content:"+"; width:26px; height:26px; border-radius:50%; background:var(--primary-light); color:var(--primary); display:flex; align-items:center; justify-content:center; font-size:18px; font-weight:400; flex-shrink:0; transition:transform .25s; }
.faq-item[open] summary:after { content:"–"; transform:rotate(180deg); }
.faq-item[open] summary { background: var(--primary-light); }
.faq-body { padding: 4px 18px 18px; font-size:15px; line-height:1.85; color: var(--text); }
.faq-item:hover { box-shadow: var(--card-shadow); }

/* Layout helpers */
.flex-between { display:flex; align-items:center; justify-content: space-between; flex-wrap:wrap; gap:18px; }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }
.mt-large { margin-top:86px; }
.center { text-align:center; }
.back-line { display:inline-flex; align-items:center; gap:6px; font-size:14px; color: rgba(255,255,255,.74); }
.back-line:hover { color:#fff; }

/* Footer */
.footer { background: #17354A; color: #DCE6EE; padding-top: 62px; }
.footer h4 { color:#fff; font-size:15px; font-weight:700; margin-bottom:16px; }
.footer .logo-text { font-size:18px; color:#fff; }
.footer-links { display:flex; flex-direction:column; gap:10px; }
.footer-links a { color:#9bb4c3; font-size:14px; transition: color .2s; }
.footer-links a:hover { color:#fff; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.12); padding:18px 0; margin-top:44px; font-size:13px; color:#7E98AA; text-align:center; }

/* Responsive */
@media (max-width: 1023px){
  .card-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .timeline-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .panel-block { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .info-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .header-left { gap: 14px; }
  .nav-link { padding: 8px 10px; font-size:14px; }
}

@media (max-width: 860px){
  .header-inner { min-height: 62px; }
  .nav-links { position:absolute; top:100%; left:0; right:0; display:none; flex-direction:column; align-items:stretch; background:#fff; border-bottom:1px solid var(--border); box-shadow: var(--card-shadow-hover); padding:12px 20px 18px; gap:6px; }
  .nav-links.open { display:flex; }
  .nav-link { display:block; padding:12px 14px; border-radius:10px; color: var(--title); font-size:16px; }
  .nav-toggle { display:inline-flex; }
  .logo-name { font-size:18px; }
  .header-right .btn-cta { padding-left:14px; padding-right:14px; }
  .card-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px){
  .container { padding-left: 18px; padding-right: 18px; }
  .section-block { padding: 64px 0; }
  .card-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .timeline-grid { grid-template-columns: 1fr; }
  .panel-block { grid-template-columns:1fr; }
  .faq-list { grid-template-columns: 1fr; }
  .banner-title { font-size: 28px; }
  .category-banner { padding: 84px 0 70px; }
  .category-banner .container { padding-left:18px; padding-right:18px; }
  .quick-strip { padding: 12px 14px; gap: 8px; }
  .header-right .btn-cta { font-size: 13px; }
  .cta-area { flex-direction: column; align-items:flex-start; }
  .footer h4 { margin-top:20px; }
  .logo-name { font-size: 16px; white-space: nowrap; }
  .logo-icon { width: 30px; height:30px; }
}

/* roulang page: article */
:root {
            --brand: #2F6B93;
            --brand-dark: #24577A;
            --brand-soft: #EAF1F8;
            --accent: #EA7A35;
            --accent-dark: #d96e2f;
            --success: #1F9D6C;
            --bg: #F5F8FB;
            --heading: #1C3F58;
            --text: #36566A;
            --muted: #6A8498;
            --border: #DCE6EE;
            --white: #ffffff;
            --footer-bg: #123247;
            --footer-soft: #8FA8B9;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --shadow-card: 0 1px 2px rgba(27,61,95,.05), 0 8px 20px rgba(27,61,95,.06);
            --shadow-hover: 0 2px 4px rgba(27,61,95,.06), 0 14px 28px rgba(27,61,95,.12);
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html,
        body {
            margin: 0;
            padding: 0;
        }

        body {
            background: var(--bg);
            color: var(--text);
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 60;
            height: 72px;
            background: rgba(255, 255, 255, .98);
            border-bottom: 1px solid rgba(220, 230, 238, .7);
            transition: box-shadow .25s ease, border-color .25s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 6px 24px rgba(27, 61, 95, .08);
            border-bottom-color: transparent;
        }

        .header-inner {
            display: grid;
            grid-template-columns: auto 1fr auto;
            align-items: center;
            gap: 28px;
            height: 72px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--heading);
            font-weight: 800;
            font-size: 20px;
            letter-spacing: .3px;
            white-space: nowrap;
        }

        .brand:hover,
        .brand:focus-visible {
            opacity: .86;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--brand);
            border-radius: 10px;
            color: #fff;
            box-shadow: 0 8px 18px rgba(47, 107, 147, .22);
        }

        .logo-icon svg {
            width: 19px;
            height: 19px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            justify-self: end;
        }

        .nav-link {
            display: inline-block;
            padding: 10px 16px;
            border-radius: 999px;
            color: var(--heading);
            font-size: 15px;
            font-weight: 500;
            line-height: 1.2;
            transition: background .2s ease, color .2s ease;
        }

        .nav-link:hover {
            background: var(--brand-soft);
            color: var(--brand);
        }

        .nav-link:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
        }

        .nav-link.active {
            background: var(--brand-soft);
            color: var(--brand);
            font-weight: 700;
        }

        .header-actions {
            display: flex;
            align-items: center;
            justify-self: end;
            gap: 12px;
        }

        .header-login {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 40px;
            padding: 0 18px;
            border-radius: 10px;
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            white-space: nowrap;
            transition: background .2s ease, box-shadow .2s ease, transform .2s ease;
            box-shadow: 0 6px 16px rgba(234, 122, 53, .24);
        }

        .header-login:hover {
            background: var(--accent-dark);
            box-shadow: 0 10px 22px rgba(234, 122, 53, .3);
            transform: translateY(-1px);
        }

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

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: #fff;
            color: var(--heading);
            cursor: pointer;
        }

        .nav-toggle:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
        }

        /* ===== 文章主体 ===== */
        .article-main {
            padding: 112px 0 56px;
            min-height: 62vh;
        }

        .article-breadcrumb {
            max-width: 920px;
            margin: 0 auto 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--muted);
        }

        .article-breadcrumb a {
            color: var(--brand);
            font-weight: 500;
        }

        .article-breadcrumb a:hover {
            color: var(--brand-dark);
        }

        .article-breadcrumb .sep {
            color: #b6c5d1;
        }

        .article-card {
            max-width: 920px;
            margin: 0 auto;
            background: #fff;
            border: 1px solid rgba(220, 230, 238, .7);
            border-radius: 18px;
            box-shadow: var(--shadow-card);
            padding: 52px 62px 48px;
        }

        .article-card-top {
            margin-bottom: 30px;
        }

        .article-info-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
        }

        .article-category {
            display: inline-flex;
            align-items: center;
            background: var(--brand-soft);
            color: var(--brand);
            font-size: 13px;
            font-weight: 700;
            padding: 5px 13px;
            border-radius: 999px;
            letter-spacing: .2px;
        }

        .article-title {
            font-size: 32px;
            line-height: 1.35;
            color: var(--heading);
            font-weight: 800;
            margin: 0 0 18px;
            letter-spacing: -.2px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px 22px;
            color: var(--muted);
            font-size: 14px;
            border-top: 1px dashed var(--border);
            padding-top: 18px;
        }

        .article-meta span,
        .article-meta time {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta .meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: #b7c8d6;
        }

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

        .article-body > *:first-child {
            margin-top: 0;
        }

        .article-body p {
            margin: 0 0 22px;
        }

        .article-body h2 {
            color: var(--heading);
            font-size: 24px;
            line-height: 1.4;
            font-weight: 800;
            margin: 40px 0 18px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
        }

        .article-body h3 {
            color: var(--heading);
            font-size: 20px;
            line-height: 1.4;
            font-weight: 800;
            margin: 32px 0 14px;
        }

        .article-body h4 {
            color: var(--heading);
            font-size: 17px;
            line-height: 1.5;
            font-weight: 700;
            margin: 26px 0 12px;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 24px;
            padding-left: 24px;
        }

        .article-body li {
            margin-bottom: 10px;
        }

        .article-body a {
            color: var(--brand);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: rgba(47, 107, 147, .4);
            transition: color .2s ease, text-decoration-color .2s ease;
        }

        .article-body a:hover {
            color: var(--brand-dark);
            text-decoration-color: var(--brand-dark);
        }

        .article-body blockquote {
            margin: 30px 0;
            padding: 10px 24px;
            border-left: 4px solid var(--brand);
            background: var(--brand-soft);
            border-radius: 0 10px 10px 0;
            color: var(--heading);
            font-size: 17px;
            line-height: 1.8;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 26px 0;
            box-shadow: var(--shadow-card);
            height: auto;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 26px 0;
            font-size: 15px;
            background: #fff;
        }

        .article-body table th,
        .article-body table td {
            border: 1px solid var(--border);
            padding: 12px 14px;
            text-align: left;
        }

        .article-body table th {
            background: var(--brand-soft);
            color: var(--heading);
            font-weight: 700;
        }

        .article-body pre {
            background: #12293a;
            color: #dceaf2;
            padding: 20px;
            border-radius: 12px;
            overflow-x: auto;
            line-height: 1.7;
            margin: 26px 0;
        }

        .article-body code {
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
            background: var(--brand-soft);
            color: var(--brand-dark);
            padding: 2px 6px;
            border-radius: 6px;
            font-size: .92em;
        }

        .article-body pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }

        .article-end-zone {
            margin-top: 44px;
            border-top: 1px solid var(--border);
            padding-top: 26px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .article-end-zone .end-label {
            font-size: 14px;
            color: var(--muted);
        }

        .article-end-zone .end-label strong {
            color: var(--heading);
            font-weight: 700;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 42px;
            padding: 0 20px;
            border-radius: 10px;
            border: 1px solid transparent;
            font-size: 15px;
            font-weight: 700;
            gap: 8px;
            cursor: pointer;
            transition: all .2s ease;
        }

        .btn-primary {
            background: var(--brand);
            color: #fff;
            box-shadow: 0 8px 18px rgba(47, 107, 147, .16);
        }

        .btn-primary:hover {
            background: var(--brand-dark);
            box-shadow: 0 12px 24px rgba(47, 107, 147, .24);
            transform: translateY(-1px);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 8px 18px rgba(234, 122, 53, .24);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            box-shadow: 0 12px 26px rgba(234, 122, 53, .3);
            transform: translateY(-1px);
        }

        .btn-secondary {
            background: #fff;
            color: var(--brand);
            border-color: #c8d8e5;
        }

        .btn-secondary:hover {
            background: var(--brand-soft);
            border-color: var(--brand);
        }

        .btn:focus-visible,
        .btn-secondary:focus-visible,
        .btn-primary:focus-visible,
        .btn-accent:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 3px;
        }

        .btn-sm {
            min-height: 36px;
            padding: 0 15px;
            font-size: 14px;
        }

        .article-action-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--heading);
            border-radius: 999px;
            padding: 9px 16px;
            font-size: 14px;
            cursor: pointer;
            transition: all .2s ease;
        }

        .article-action-btn:hover {
            background: var(--brand-soft);
            border-color: var(--brand);
            color: var(--brand);
        }

        .article-action-btn.is-active {
            background: var(--brand-soft);
            color: var(--brand);
            border-color: var(--brand);
        }

        .prevnext-section {
            max-width: 920px;
            margin: 26px auto 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .prevnext-card {
            background: #fff;
            border: 1px solid rgba(220, 230, 238, .75);
            border-radius: 14px;
            box-shadow: var(--shadow-card);
            padding: 18px 22px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            transition: all .2s ease;
        }

        .prevnext-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: #c5d8e8;
        }

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

        .prevnext-card strong {
            color: var(--heading);
            font-size: 16px;
            font-weight: 700;
        }

        .prevnext-card.next {
            text-align: right;
        }

        /* ===== 频道推荐区 ===== */
        .related-panel {
            margin-top: 80px;
        }

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

        .panel-head .panel-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            color: var(--brand);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .panel-head .panel-eyebrow::before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--accent);
            border-radius: 99px;
        }

        .panel-head h2 {
            font-size: 26px;
            line-height: 1.35;
            color: var(--heading);
            font-weight: 800;
            margin: 0 0 8px;
        }

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

        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .rel-card {
            background: #fff;
            border: 1px solid rgba(220, 230, 238, .7);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all .25s ease;
            display: flex;
            flex-direction: column;
        }

        .rel-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .rel-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .rel-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .rel-card:hover .rel-thumb img {
            transform: scale(1.04);
        }

        .rel-body {
            padding: 20px 20px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .rel-body .rel-tag {
            display: inline-block;
            background: var(--brand-soft);
            color: var(--brand);
            border-radius: 999px;
            padding: 4px 11px;
            font-size: 12px;
            font-weight: 700;
            align-self: flex-start;
            margin-bottom: 12px;
        }

        .rel-body h3 {
            font-size: 17px;
            line-height: 1.5;
            color: var(--heading);
            font-weight: 800;
            margin: 0 0 10px;
        }

        .rel-body p {
            font-size: 14px;
            color: var(--muted);
            margin: 0 0 18px;
            flex: 1;
            line-height: 1.7;
        }

        .rel-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--brand);
            font-size: 14px;
            font-weight: 700;
        }

        .rel-link:hover {
            color: var(--brand-dark);
        }

        .rel-link span {
            transition: transform .2s ease;
        }

        .rel-link:hover span {
            transform: translateX(4px);
        }

        /* ===== 文章底部行动区 ===== */
        .article-cta {
            position: relative;
            margin: 80px auto 0;
            max-width: 1200px;
            border-radius: 20px;
            overflow: hidden;
            background-size: cover;
            background-position: center;
            background-color: #123247;
        }

        .article-cta .cta-layer {
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(18, 50, 71, .92) 0%, rgba(22, 58, 82, .78) 60%, rgba(31, 63, 88, .34) 100%);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            padding: 60px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }

        .cta-copy {
            max-width: 640px;
        }

        .cta-copy h2 {
            color: #fff;
            font-size: 28px;
            line-height: 1.4;
            font-weight: 800;
            margin: 0 0 14px;
        }

        .cta-copy p {
            color: rgba(255, 255, 255, .85);
            font-size: 15px;
            line-height: 1.85;
            margin: 0;
        }

        /* ===== 空状态 ===== */
        .empty-article {
            max-width: 620px;
            margin: 90px auto;
            background: #fff;
            border: 1px solid rgba(220, 230, 238, .8);
            border-radius: 18px;
            box-shadow: var(--shadow-card);
            text-align: center;
            padding: 70px 44px;
        }

        .empty-icon {
            width: 84px;
            height: 84px;
            border: 2px solid var(--border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 26px;
            color: var(--brand);
        }

        .empty-article h1 {
            font-size: 26px;
            color: var(--heading);
            margin: 0 0 12px;
        }

        .empty-article p {
            color: var(--muted);
            font-size: 16px;
            margin-bottom: 28px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--footer-bg);
            color: var(--footer-soft);
            margin-top: 90px;
            padding: 56px 0 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.7fr 1fr 1fr 1fr;
            gap: 44px;
            padding-bottom: 36px;
        }

        .footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 16px;
            letter-spacing: .3px;
        }

        .footer p {
            line-height: 1.85;
            color: var(--footer-soft);
        }

        .logo-text {
            font-weight: 800;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
        }

        .logo-icon-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: rgba(255, 255, 255, .12);
            border-radius: 10px;
            color: #fff;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .8);
            transition: color .2s ease, transform .2s ease;
        }

        .footer-links a:hover {
            color: #fff;
            transform: translateX(2px);
        }

        .footer-links a:focus-visible {
            outline: 2px solid #7fb4d2;
            outline-offset: 3px;
            border-radius: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 22px 0;
            text-align: center;
            color: rgba(255, 255, 255, .55);
            font-size: 13px;
        }

        .footer-bottom .container {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        @media (max-width: 1100px) {
            .header-inner {
                grid-template-columns: 1fr auto;
                gap: 14px;
            }

            .nav-links {
                display: none;
            }

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

            .header-actions {
                gap: 8px;
            }

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

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

        @media (max-width: 860px) {
            .article-card {
                padding: 40px 32px;
            }

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

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                padding: 42px 24px;
            }

            .prevnext-section {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .article-main {
                padding-top: 96px;
            }

            .brand-text {
                font-size: 17px;
            }

            .header-login {
                padding: 0 14px;
                font-size: 13px;
                min-height: 38px;
            }

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

        @media (max-width: 560px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .article-card {
                padding: 28px 18px;
                border-radius: 14px;
            }

            .article-title {
                font-size: 22px;
            }

            .article-body {
                font-size: 15.5px;
                line-height: 1.85;
            }

            .article-body h2 {
                font-size: 21px;
            }

            .article-end-zone {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .cta-copy h2 {
                font-size: 22px;
            }

            .header-actions .header-login span {
                max-width: 80px;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }
        }

        @media (max-width: 1100px) and (min-width: 861px) {
            .article-breadcrumb,
            .article-card,
            .prevnext-section {
                max-width: 860px;
            }
        }

@media (max-width: 1100px) {
        .nav-links {
            position: fixed;
            top: 72px;
            left: 16px;
            right: 16px;
            display: flex;
            flex-direction: column;
            align-items: stretch;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            box-shadow: 0 18px 44px rgba(27, 61, 95, .16);
            padding: 12px;
            gap: 4px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: all .22s ease;
            z-index: 70;
        }

        .nav-links.drawer-open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .nav-links .nav-link {
            display: block;
            padding: 12px 16px;
            font-size: 16px;
            border-radius: 10px;
        }
    }

/* roulang page: category2 */
:root {
            --bg: #F5F8FB;
            --brand: #2F6B93;
            --brand-hover: #24577A;
            --brand-light: #EAF1F8;
            --accent: #EA7A35;
            --accent-hover: #d56c28;
            --success: #1F9D6C;
            --title: #1C3F58;
            --body: #36566A;
            --muted: #6A8498;
            --border: #DCE6EE;
            --card-shadow: 0 1px 2px rgba(27,61,95,.05), 0 8px 20px rgba(27,61,95,.06);
            --hover-shadow: 0 2px 4px rgba(27,61,95,.06), 0 14px 28px rgba(27,61,95,.12);
            --radius: 14px;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            background: var(--bg);
            color: var(--body);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 15px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }
        button {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            width: 100%;
            height: 72px;
            background: rgba(255, 255, 255, .96);
            border-bottom: 1px solid transparent;
            display: flex;
            align-items: center;
            transition: box-shadow .2s ease, border-color .2s ease;
        }
        .site-header.scrolled {
            border-bottom-color: var(--border);
            box-shadow: 0 6px 18px rgba(27, 61, 95, .05);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .header-left {
            display: flex;
            align-items: center;
            gap: 36px;
            min-width: 0;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            color: var(--title);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .logo-text {
            font-size: 17px;
            line-height: 1.35;
            font-weight: 700;
        }
        .logo-text small {
            display: block;
            font-size: 11px;
            color: var(--muted);
            font-weight: 400;
            letter-spacing: .2px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 30px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--body);
            padding: 10px 0;
            position: relative;
            line-height: 1.4;
        }
        .nav-link:hover {
            color: var(--brand);
        }
        .nav-link.active {
            color: var(--brand);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--brand);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .header-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 9px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            border: 1px solid var(--accent);
            transition: all .2s ease;
            white-space: nowrap;
            line-height: 1.4;
        }
        .header-btn:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 8px 18px rgba(234, 122, 53, .24);
            color: #fff;
        }
        .header-btn:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 3px;
        }
        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            background: #fff;
            border-radius: 9px;
            cursor: pointer;
            color: var(--title);
        }
        .menu-toggle svg {
            width: 20px;
            height: 20px;
        }
        .menu-toggle:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
        }

        /* ===== 横幅区 ===== */
        .page-banner {
            position: relative;
            background-color: #D8E4EE;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 30%;
            color: #fff;
        }
        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(18, 45, 67, .82) 0%, rgba(18, 45, 67, .58) 62%, rgba(18, 45, 67, .28) 100%);
        }
        .banner-inner {
            position: relative;
            z-index: 2;
            padding: 88px 24px 78px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .72);
            margin-bottom: 18px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, .82);
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb span {
            color: rgba(255, 255, 255, .45);
        }
        .banner-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, .18);
            background: rgba(255, 255, 255, .12);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            color: rgba(255, 255, 255, .92);
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .banner-label i {
            width: 6px;
            height: 6px;
            background: #FFC193;
            border-radius: 50%;
        }
        .page-banner h1 {
            margin: 0;
            font-size: 38px;
            line-height: 1.3;
            font-weight: 700;
            color: #fff;
            letter-spacing: .5px;
        }
        .banner-desc {
            margin: 18px 0 0;
            max-width: 670px;
            font-size: 16px;
            color: rgba(255, 255, 255, .9);
            line-height: 1.9;
        }
        .banner-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 26px;
            font-size: 14px;
            color: rgba(255, 255, 255, .8);
            border-bottom: 1px solid rgba(255, 255, 255, .3);
            padding-bottom: 3px;
        }
        .banner-back:hover {
            color: #fff;
        }

        /* ===== 主题标签 ===== */
        .tool-bar {
            background: var(--bg);
            padding: 0;
            margin-top: -42px;
            position: relative;
            z-index: 5;
        }
        .tool-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--card-shadow);
            padding: 10px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tool-chip {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: #F7FAFC;
            color: var(--body);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 7px 16px;
            font-size: 13px;
            transition: all .2s ease;
        }
        .tool-chip:hover {
            border-color: var(--brand);
            color: var(--brand);
            background: var(--brand-light);
        }

        /* ===== 区块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-head {
            max-width: 720px;
            margin-bottom: 46px;
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .8px;
            margin-bottom: 12px;
        }
        .eyebrow::before {
            content: "";
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 2px;
        }
        .section-title {
            font-size: 30px;
            line-height: 1.35;
            color: var(--title);
            font-weight: 700;
            margin: 0;
        }
        .section-desc {
            font-size: 15px;
            color: var(--muted);
            margin-top: 14px;
            line-height: 1.8;
        }

        /* ===== 登录入口访问方式 ===== */
        .access-wrap {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 24px;
            align-items: stretch;
        }
        .access-main {
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--card-shadow);
            background: #fff;
            display: flex;
            flex-direction: column;
        }
        .access-main .access-pic {
            height: 210px;
            overflow: hidden;
        }
        .access-main .access-pic img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .access-main .access-body {
            padding: 26px 28px 28px;
        }
        .access-main .access-tag {
            display: inline-flex;
            background: var(--brand-light);
            color: var(--brand);
            font-size: 13px;
            border-radius: 999px;
            padding: 4px 13px;
        }
        .access-main h3 {
            font-size: 21px;
            color: var(--title);
            margin: 16px 0 10px;
        }
        .access-main p {
            margin: 0;
            color: var(--body);
            font-size: 15px;
        }
        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 22px;
            color: var(--brand);
            font-size: 15px;
            font-weight: 600;
            padding: 8px 0;
        }
        .text-link:hover {
            color: var(--brand-hover);
        }
        .text-link svg {
            width: 17px;
            height: 17px;
            transition: transform .2s ease;
        }
        .text-link:hover svg {
            transform: translateX(3px);
        }
        .access-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .access-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--card-shadow);
            padding: 22px 24px;
            transition: box-shadow .25s ease, transform .25s ease;
        }
        .access-item:hover {
            box-shadow: var(--hover-shadow);
            transform: translateY(-2px);
        }
        .access-item-head {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .access-item-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--brand-light);
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .access-item-icon svg {
            width: 20px;
            height: 20px;
        }
        .access-item h4 {
            margin: 0;
            font-size: 17px;
            color: var(--title);
            line-height: 1.4;
        }
        .access-item p {
            margin: 12px 0 0;
            font-size: 14px;
            color: var(--body);
        }

        /* ===== 步骤时间线 ===== */
        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .step-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--card-shadow);
            padding: 28px 24px;
            position: relative;
            transition: box-shadow .25s ease, transform .25s ease;
        }
        .step-item:hover {
            box-shadow: var(--hover-shadow);
            transform: translateY(-3px);
        }
        .step-num {
            font-size: 34px;
            font-weight: 700;
            color: transparent;
            -webkit-text-stroke: 2px #A9C1D6;
            line-height: 1;
            display: block;
            margin-bottom: 18px;
        }
        .step-item h3 {
            font-size: 17px;
            color: var(--title);
            margin: 0 0 10px;
            line-height: 1.45;
        }
        .step-item p {
            margin: 0;
            font-size: 14px;
            color: var(--body);
        }

        /* ===== 功能路径卡片 ===== */
        .func-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .func-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 32px 30px;
            box-shadow: var(--card-shadow);
            display: flex;
            gap: 20px;
            transition: box-shadow .25s ease, transform .25s ease;
        }
        .func-card:hover {
            box-shadow: var(--hover-shadow);
            transform: translateY(-3px);
        }
        .func-icon {
            width: 52px;
            height: 52px;
            border-radius: 13px;
            background: var(--brand-light);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .func-icon svg {
            width: 27px;
            height: 27px;
        }
        .func-content {
            min-width: 0;
        }
        .func-content h3 {
            margin: 0 0 9px;
            font-size: 18px;
            color: var(--title);
            line-height: 1.45;
        }
        .func-content p {
            margin: 0;
            color: var(--body);
            font-size: 14px;
            line-height: 1.8;
        }
        .func-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 500;
            color: var(--brand);
            margin-top: 10px;
        }
        .func-more:hover {
            color: var(--brand-hover);
        }

        /* ===== 指引条目列表 ===== */
        .guide-list {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            box-shadow: var(--card-shadow);
            overflow: hidden;
        }
        .guide-row {
            display: grid;
            grid-template-columns: 1fr 1.15fr;
            gap: 16px;
            padding: 26px 30px;
            border-bottom: 1px solid var(--border);
            transition: background .2s ease;
        }
        .guide-row:last-child {
            border-bottom: 0;
        }
        .guide-row:hover {
            background: #FBFDFE;
        }
        .guide-col-left {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            min-width: 0;
        }
        .guide-date {
            color: var(--muted);
            font-size: 13px;
            line-height: 1.6;
            white-space: nowrap;
            font-variant-numeric: tabular-nums;
        }
        .guide-badge {
            font-size: 12px;
            color: var(--brand);
            background: var(--brand-light);
            padding: 3px 10px;
            border-radius: 999px;
            white-space: nowrap;
            margin-top: 2px;
        }
        .guide-title {
            font-size: 17px;
            color: var(--title);
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 5px;
        }
        .guide-summary {
            color: var(--muted);
            font-size: 14px;
            max-width: 660px;
        }
        .guide-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--brand);
            font-weight: 500;
        }

        /* ===== 场景面板 ===== */
        .scenario-panel {
            display: grid;
            grid-template-columns: .92fr 1.38fr;
            gap: 40px;
            background: #EAF1F8;
            border: 1px solid #D5E2EE;
            border-radius: 20px;
            padding: 40px;
            align-items: center;
        }
        .scenario-visual {
            border-radius: 15px;
            overflow: hidden;
        }
        .scenario-visual img {
            height: 100%;
            object-fit: cover;
        }
        .scenario-topic h3 {
            font-size: 25px;
            color: var(--title);
            line-height: 1.45;
            margin: 0 0 14px;
        }
        .scenario-topic p {
            color: var(--body);
            margin: 0 0 12px;
            line-height: 1.85;
        }
        .scenario-list {
            margin: 10px 0 0;
            padding: 0;
            list-style: none;
        }
        .scenario-list li {
            display: flex;
            gap: 10px;
            padding: 7px 0;
            font-size: 15px;
            color: var(--body);
        }
        .scenario-list li::before {
            content: "";
            width: 7px;
            height: 7px;
            background: var(--success);
            border-radius: 50%;
            margin-top: 10px;
            flex-shrink: 0;
        }

        /* ===== 常见问题 ===== */
        .faq-wrap {
            width: 100%;
        }
        .faq-item {
            width: 100%;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--card-shadow);
            margin-bottom: 14px;
            overflow: hidden;
        }
        .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            width: 100%;
            padding: 19px 24px;
            border: 0;
            background: none;
            cursor: pointer;
            color: var(--title);
            font-size: 16px;
            font-weight: 600;
            text-align: left;
            line-height: 1.6;
        }
        .faq-q:hover {
            color: var(--brand);
        }
        .faq-q:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: -2px;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand);
            transition: transform .25s ease, background .25s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--brand-light);
        }
        .faq-a {
            display: none;
            padding: 0 24px 22px;
            color: var(--body);
            font-size: 15px;
            line-height: 1.9;
            border-top: 1px dashed var(--border);
        }
        .faq-item.open .faq-a {
            display: block;
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-panel {
            position: relative;
            overflow: hidden;
            background: #16415F;
            background-image: linear-gradient(100deg, rgba(22, 65, 95, .94), rgba(22, 65, 95, .64)), url('/assets/images/backpic/back-2.webp');
            background-position: center;
            background-size: cover;
            border-radius: 22px;
            padding: 56px 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }
        .cta-panel h2 {
            font-size: 27px;
            color: #fff;
            line-height: 1.4;
            margin: 0;
        }
        .cta-panel p {
            color: rgba(255, 255, 255, .78);
            margin: 12px 0 0;
            max-width: 620px;
        }
        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-left: auto;
        }
        .btn-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            color: var(--title);
            border: 1px solid #fff;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            border-radius: 9px;
            transition: all .2s ease;
        }
        .btn-white:hover {
            background: rgba(255, 255, 255, .9);
            color: var(--brand);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .4);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 500;
            border-radius: 9px;
            transition: all .2s ease;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .08);
            border-color: rgba(255, 255, 255, .7);
            color: #fff;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #102A3C;
            color: #B9CBD8;
            font-size: 14px;
            margin-top: 80px;
        }
        .footer h4 {
            color: #F1F7FB;
            font-size: 15px;
            margin: 0 0 18px;
            font-weight: 600;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: #8FA8B9;
            transition: color .2s ease;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding: 20px 0;
            text-align: center;
            color: #79A0B6;
            font-size: 13px;
            margin-top: 32px;
        }
        .footer-bottom p {
            margin: 0;
        }

        @media (max-width: 991px) {
            .site-header {
                height: 64px;
            }
            .logo-text {
                font-size: 16px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 18px 30px rgba(27, 61, 95, .08);
                flex-direction: column;
                gap: 0;
                padding: 10px 0 14px;
                z-index: 59;
            }
            .site-header.menu-open .nav-links {
                display: flex;
            }
            .nav-link {
                display: block;
                padding: 12px 24px;
                font-size: 16px;
            }
            .nav-link.active::after {
                display: none;
            }
            .menu-toggle {
                display: inline-flex;
            }
            .access-wrap,
            .scenario-panel {
                grid-template-columns: 1fr;
            }
            .steps-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
            .func-grid {
                grid-template-columns: 1fr;
            }
            .guide-row {
                grid-template-columns: 1fr;
            }
            .page-banner h1 {
                font-size: 32px;
            }
            .cta-panel {
                padding: 40px 30px;
            }
            .cta-actions {
                margin-left: 0;
            }
        }

        @media (max-width: 560px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .header-actions .header-btn {
                padding: 9px 13px;
                font-size: 13px;
            }
            .banner-inner {
                padding: 64px 16px 70px;
            }
            .page-banner h1 {
                font-size: 27px;
            }
            .banner-desc {
                font-size: 15px;
            }
            .steps-wrap {
                grid-template-columns: 1fr;
            }
            .banner-label {
                font-size: 12px;
            }
            .access-main .access-body,
            .func-card {
                padding: 22px 18px;
            }
            .func-card {
                flex-direction: column;
                gap: 12px;
            }
            .guide-row {
                padding: 20px 18px;
            }
            .footer-inner-grid {
                grid-template-columns: 1fr 1fr !important;
            }
        }

        @media (max-width: 360px) {
            .logo-text {
                font-size: 14px;
            }
            .header-actions .header-btn {
                display: none;
            }
        }

/* roulang page: category3 */
:root {
  --page-bg: #F5F8FB;
  --soft-blue: #EAF1F8;
  --brand: #2F6B93;
  --brand-deep: #24577A;
  --accent: #EA7A35;
  --success: #1F9D6C;
  --heading: #1C3F58;
  --text: #36566A;
  --muted: #6A8498;
  --border: #DCE6EE;
  --white: #FFFFFF;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(27,61,95,.05), 0 8px 20px rgba(27,61,95,.06);
  --shadow-lg: 0 2px 4px rgba(27,61,95,.06), 0 14px 28px rgba(27,61,95,.12);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--page-bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  padding-top:72px;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.3;color:var(--heading);font-weight:800}
:focus-visible{outline:3px solid rgba(47,107,147,.35);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:10px;
  font-weight:700;font-size:15px;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background .22s,color .22s,box-shadow .22s,transform .22s;
  white-space:nowrap;text-align:center;
}
.btn:hover{transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(234,122,53,.22)}
.btn-accent:hover{background:#d76627;box-shadow:0 12px 26px rgba(234,122,53,.3)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 22px rgba(47,107,147,.2)}
.btn-primary:hover{background:var(--brand-deep)}
.btn-white{background:#fff;color:var(--brand);border-color:rgba(255,255,255,.4)}
.btn-white:hover{background:rgba(255,255,255,.92);color:var(--brand-deep)}
.btn-outline-white{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-white:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-sm{height:38px;padding:0 16px;border-radius:9px;font-size:14px}
.btn-block{width:100%}
.site-header{
  position:fixed;top:0;left:0;right:0;height:72px;z-index:200;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s,border-color .25s;
}
.site-header.scrolled{border-bottom-color:var(--border);box-shadow:0 4px 18px rgba(27,61,95,.07)}
.nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;min-width:0}
.brand-icon{
  width:38px;height:38px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(47,107,147,.22);
  flex-shrink:0;
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.2px;color:var(--heading);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:28px;flex:1;min-width:0}
.nav-link{
  display:inline-flex;align-items:center;padding:9px 14px;
  font-weight:700;font-size:15px;color:var(--text);
  border-radius:999px;transition:background .2s,color .2s;
  white-space:nowrap;
}
.nav-link:hover{background:var(--soft-blue);color:var(--brand)}
.nav-link.active{background:var(--soft-blue);color:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:10px;display:inline-flex;
  align-items:center;justify-content:center;color:var(--brand);
  background:var(--soft-blue);transition:background .2s,transform .2s;
}
.icon-btn:hover{background:#dce9f5;transform:translateY(-1px)}
.nav-divider{width:1px;height:24px;background:var(--border)}
.menu-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  flex-direction:column;gap:5px;background:transparent;border:0;border-radius:10px;
  cursor:pointer;
}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--heading);border-radius:2px;transition:transform .25s,opacity .25s}
.menu-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{
  position:fixed;top:72px;left:0;right:0;background:#fff;
  padding:12px 20px 24px;box-shadow:0 20px 40px rgba(27,61,95,.14);
  border-bottom:1px solid var(--border);
  display:flex;flex-direction:column;gap:4px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s,transform .2s,visibility .2s;
  z-index:150;
}
.mobile-nav.open{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-nav a{display:block;padding:13px 16px;font-size:16px;font-weight:700;color:var(--brand);border-radius:12px}
.mobile-nav a:hover{background:var(--soft-blue)}
.mobile-nav a.active{background:var(--soft-blue)}
.mobile-nav .mobile-cta{margin-top:14px}
.page-banner{
  position:relative;
  background-color:#1C3F58;
  background-image:
    linear-gradient(106deg,rgba(21,47,66,.94) 0%,rgba(26,61,85,.78) 46%,rgba(31,69,94,.36) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center 28%;
  padding:82px 0 96px;
  color:#fff;
}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.76);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.88)}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{color:rgba(255,255,255,.45)}
.page-banner h1{
  font-size:42px;color:#fff;margin-bottom:18px;letter-spacing:.5px;line-height:1.25;
}
.banner-lead{
  max-width:720px;font-size:17px;line-height:1.9;
  color:rgba(255,255,255,.88);margin-bottom:30px;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.banner-badges{display:flex;flex-wrap:wrap;gap:10px}
.banner-badges .badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.18);
  font-size:13px;color:rgba(255,255,255,.94);
  backdrop-filter:none;
}
.banner-badges .badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px rgba(31,157,108,.35)}
.quick-area{padding:0 0 14px;position:relative;z-index:3}
.quick-shift{
  margin-top:-38px;background:#fff;border:1px solid var(--border);
  border-radius:18px;box-shadow:var(--shadow);
  padding:16px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;
}
.quick-shift .quick-label{font-size:14px;font-weight:800;color:var(--brand);padding:0 10px 0 6px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:999px;font-size:14px;font-weight:700;
  color:var(--brand);background:var(--soft-blue);
  border:1px solid transparent;transition:background .2s,border-color .2s,box-shadow .2s;
}
.chip:hover{background:#dce9f5;border-color:var(--brand);box-shadow:0 4px 12px rgba(47,107,147,.1)}
.section{padding:86px 0}
.section-head{display:flex;flex-direction:column;align-items:flex-start;margin-bottom:42px;max-width:820px}
.section-head.center{align-items:center;text-align:center;margin-left:auto;margin-right:auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand);background:var(--soft-blue);
  padding:7px 15px;border-radius:999px;font-weight:800;font-size:13px;
  letter-spacing:.6px;margin-bottom:15px;
}
.section-title{font-size:31px;letter-spacing:.3px;color:var(--heading);margin-bottom:12px}
.section-desc{font-size:16px;color:var(--muted);line-height:1.85}
.membership-panel{background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.compare-table{width:100%;min-width:840px;border-collapse:collapse}
.compare-table th,.compare-table td{padding:17px 20px;text-align:left;vertical-align:middle;border-bottom:1px solid var(--border);font-size:15px}
.compare-table thead th{background:var(--brand);color:#fff;font-weight:800;padding:18px 20px;border-bottom:none}
.compare-table thead th.reco-col{background:#15705a;color:#fff;border:0}
.compare-table tbody td:first-child{
  font-weight:800;color:var(--heading);background:#fff;min-width:170px;
  box-shadow:1px 0 0 var(--border);position:sticky;left:0;z-index:2;
}
.compare-table tbody th:last-child{border-right:0}
.compare-table tbody td{border-right:1px solid var(--border)}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table tr.pref-row .reco-col{background:#e9f8f1}
.compare-table .reco-col{background:#f6fbf9;font-weight:600}
.compare-table .tag-no{color:var(--muted);font-weight:600}
.compare-table .tag-yes{color:var(--success);font-weight:800}
.compare-table .tag-hl{color:var(--brand-deep);font-weight:800}
.steps-wrap{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:86px 0}
.step-track{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:50px;position:relative}
.step-node{position:relative}
.step-node::before{
  content:"";position:absolute;top:24px;left:58px;right:-34px;height:2px;
  background:var(--border);z-index:0;
}
.step-node:last-child::before{display:none}
.step-badge{
  position:relative;z-index:1;
  width:48px;height:48px;border-radius:16px;
  background:var(--white);border:2px solid var(--brand);
  color:var(--brand);font-weight:900;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 7px #e9f0f7;
}
.step-node .step-title{margin:24px 0 8px;font-size:18px}
.step-node p{font-size:15px;color:var(--muted);line-height:1.8}
.step-node.step-hot .step-badge{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 0 0 7px rgba(234,122,53,.14)}
.row-list{display:flex;flex-direction:column;gap:14px}
.row-item{
  position:relative;display:grid;grid-template-columns:92px 1fr auto;
  gap:18px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:15px;
  padding:22px 24px;box-shadow:var(--shadow);
  transition:transform .2s,box-shadow .25s,border-color .2s;
}
.row-item:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);border-color:#b9d0e1}
.row-index{font-size:40px;font-weight:900;line-height:1;color:#c5d8e5;font-style:italic;letter-spacing:-1px}
.row-content .pill{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;font-size:12px;
  color:var(--brand);background:var(--soft-blue);font-weight:800;margin-bottom:9px;
}
.row-item h3{font-size:18px;margin-bottom:6px}
.row-item p{font-size:15px;color:var(--muted);line-height:1.8;max-width:880px}
.row-arrow{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--brand);font-weight:800;font-size:14px;white-space:nowrap;
  padding:10px 4px;transition:color .2s,gap .2s;
}
.row-arrow:hover{color:var(--accent);gap:10px}
.row-arrow svg{transition:transform .2s}
.scene-layout{display:grid;grid-template-columns:minmax(0,42%) minmax(0,58%);gap:30px;align-items:stretch}
.scene-media{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--shadow);min-height:320px;background:#d8e5ef}
.scene-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.scene-media::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(to top,rgba(16,38,56,.55),rgba(16,38,56,.03) 42%);
}
.scene-note{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.93);color:var(--heading);
  padding:9px 14px;border-radius:999px;font-size:14px;font-weight:800;
  box-shadow:0 8px 20px rgba(16,38,56,.14);
}
.scene-note i{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(31,157,108,.16)}
.scene-info{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:18px;padding:32px 34px}
.scene-rows{display:flex;flex-direction:column;gap:6px}
.scene-row{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:flex-start;padding:13px 0}
.scene-row+.scene-row{border-top:1px dashed var(--border)}
.scene-ico{
  width:42px;height:42px;border-radius:12px;display:inline-flex;
  align-items:center;justify-content:center;
  background:var(--soft-blue);color:var(--brand);flex-shrink:0;
}
.scene-row h3{font-size:17px;margin:2px 0 4px}
.scene-row p{color:var(--muted);font-size:15px;line-height:1.75}
.faq-section{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.faq-panel{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--page-bg);border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:background .2s,border-color .2s,box-shadow .2s}
.faq-item.open{background:#fff;box-shadow:var(--shadow);border-color:#bdd3e4}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;text-align:left;cursor:pointer;
  padding:18px 22px;font-weight:800;font-size:16px;color:var(--heading);
}
.faq-q .faq-ico{flex-shrink:0;color:var(--brand);transition:transform .25s}
.faq-item.open .faq-ico{transform:rotate(180deg)}
.faq-a{display:none;background:#fff;border-top:1px solid var(--border)}
.faq-item.open .faq-a{display:block}
.faq-a-inner{padding:5px 22px 20px;font-size:15px;line-height:1.85;color:var(--text)}
.cta-section{padding:90px 0}
.cta-panel{
  position:relative;overflow:hidden;border-radius:22px;
  background-color:#1C3F58;
  background-image:linear-gradient(100deg,rgba(20,45,63,.95) 0%,rgba(24,58,81,.84) 55%,rgba(28,63,88,.62) 100%),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center 42%;
  padding:54px 58px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:30px;
}
.cta-eyebrow{display:inline-block;margin-bottom:14px;font-size:13px;font-weight:800;letter-spacing:.8px;color:#b7d5ea}
.cta-panel h2{color:#fff;font-size:31px;margin-bottom:14px}
.cta-panel p{color:rgba(255,255,255,.86);font-size:16px;line-height:1.9;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex-shrink:0}
.footer{background:#102a3d;color:#8fa8b9;padding:64px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:44px;padding-bottom:38px}
.footer .logo-text{font-weight:800;color:#fff;display:flex;align-items:center;gap:10px}
.footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:18px;letter-spacing:.5px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#8fa8b9;transition:color .2s,padding-left .2s}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-note{font-size:14px;line-height:1.85;margin-top:16px;max-width:340px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09)}
.footer-bottom .container{padding-top:22px;padding-bottom:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:13px;color:#6d879a;line-height:1.6}
@media (max-width:1024px){
  .page-banner h1{font-size:36px}
  .section-title{font-size:28px}
  .section,.steps-wrap,.faq-section{padding:74px 0}
  .compare-table{min-width:820px}
  .step-track{grid-template-columns:repeat(2,1fr);row-gap:32px}
  .step-node:nth-child(2)::before{display:none}
  .scene-layout{grid-template-columns:1fr 1fr;gap:20px}
  .cta-panel{padding:44px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
}
@media (max-width:900px){
  .nav-links{display:none}
  .menu-toggle{display:flex}
  .icon-btn,.nav-divider{display:none}
  .nav-login{margin-right:2px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .scene-layout{grid-template-columns:1fr}
  .scene-media{min-height:260px}
  .row-item{grid-template-columns:68px 1fr;padding:20px}
  .row-item .row-arrow{grid-column:2;padding-left:0}
}
@media (max-width:640px){
  body{padding-top:64px}
  .site-header{height:64px}
  .nav-wrap{height:64px}
  .mobile-nav{top:64px}
  .brand-text{font-size:17px;max-width:170px}
  .brand-icon{width:34px;height:34px;border-radius:10px}
  .page-banner{padding:54px 0 82px}
  .page-banner h1{font-size:30px}
  .banner-lead{font-size:16px}
  .section,.steps-wrap,.faq-section{padding:64px 0}
  .section-title{font-size:25px}
  .section-head{margin-bottom:32px}
  .quick-shift{margin-top:-34px}
  .step-track{grid-template-columns:1fr;gap:32px}
  .step-node::before{display:none}
  .scene-info{padding:24px 22px}
  .cta-panel{padding:34px 24px;border-radius:16px}
  .cta-panel h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-note{max-width:100%}
  .footer-bottom .container{flex-direction:column;align-items:flex-start}
}

/* roulang page: category4 */
:root{
  --primary:#2F6B93;
  --primary-dark:#24577A;
  --primary-light:#EAF1F8;
  --accent:#EA7A35;
  --accent-dark:#D36827;
  --success:#1F9D6C;
  --bg:#F5F8FB;
  --surface:#FFFFFF;
  --heading:#1C3F58;
  --text:#36566A;
  --muted:#6A8498;
  --border:#DCE6EE;
  --navy:#173A50;
  --radius:14px;
  --radius-sm:10px;
  --shadow-card:0 1px 2px rgba(27,61,95,.05),0 8px 20px rgba(27,61,95,.06);
  --shadow-hover:0 2px 4px rgba(27,61,95,.06),0 14px 28px rgba(27,61,95,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
.site-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}

/* ====== 按钮 ====== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:0 20px;
  height:44px;
  border-radius:var(--radius-sm);
  font-weight:600;
  font-size:15px;
  line-height:1;
  border:1px solid transparent;
  white-space:nowrap;
  transition:all .22s ease;
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:3px solid rgba(47,107,147,.35);outline-offset:2px}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 16px rgba(234,122,53,.26)}
.btn-accent:hover{background:var(--accent-dark);color:#fff;box-shadow:0 12px 22px rgba(234,122,53,.32);transform:translateY(-2px)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 16px rgba(47,107,147,.2)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px)}
.btn-outline{background:var(--surface);border-color:var(--border);color:var(--primary)}
.btn-outline:hover{background:var(--primary-light);border-color:rgba(47,107,147,.35);color:var(--primary-dark)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;border-radius:12px;font-size:16px}

/* ====== 顶部导航 ====== */
.site-header{
  position:fixed;
  left:0;right:0;top:0;
  z-index:100;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid rgba(220,230,238,.75);
  transition:box-shadow .3s ease,border-color .3s ease;
}
.site-header.header-scrolled{
  border-bottom-color:var(--border);
  box-shadow:0 6px 24px rgba(28,63,88,.07);
}
.header-row{height:70px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-icon{
  width:40px;height:40px;
  border-radius:12px;
  background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);
  transition:background .2s ease;
}
.brand:hover .brand-icon{background:var(--primary);color:#fff}
.brand-title{font-size:18px;font-weight:800;color:var(--heading);letter-spacing:.2px;line-height:1.2;white-space:nowrap}
.brand-sub{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.4px;line-height:1.4;white-space:nowrap}
.desktop-nav{display:flex;align-items:center;margin-left:18px}
.nav-links{display:flex;align-items:center;gap:2px;margin:0;padding:0}
.nav-link{
  display:inline-flex;align-items:center;
  padding:8px 14px;
  border-radius:10px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  transition:all .2s ease;
}
.nav-link:hover{background:var(--primary-light);color:var(--primary-dark)}
.nav-link.active{background:var(--primary-light);color:var(--primary-dark);font-weight:700}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex-shrink:0}
.header-search{
  display:flex;align-items:center;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:999px;
  height:38px;
  padding-left:12px;
  overflow:hidden;
  transition:border-color .2s ease;
}
.header-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,107,147,.1)}
.header-search button{border:0;background:transparent;color:var(--muted);cursor:pointer;display:flex;align-items:center;padding:0}
.header-search button:hover{color:var(--primary)}
.header-search input{border:0;outline:0;background:transparent;height:100%;padding:0 12px 0 6px;width:130px;font-size:13px;color:var(--heading)}
.header-divider{width:1px;height:22px;background:var(--border)}
.menu-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  transition:background .2s ease,border-color .2s ease;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--heading);border-radius:99px;transition:all .25s ease}
.menu-toggle:hover{border-color:var(--primary)}
.menu-toggle.open span:nth-child(1){transform:translateY(4px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-10px) rotate(-45deg)}
@media (max-width:1024px){
  .desktop-nav{display:none}
  .menu-toggle{display:inline-flex}
}
@media (max-width:640px){
  .brand-title{font-size:15px;max-width:116px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
  .brand-sub{display:none}
  .header-divider,.header-search{display:none}
  .header-row{gap:12px}
}
.mobile-panel{
  display:none;
  background:#fff;
  border-top:1px solid var(--border);
  padding:16px 24px 20px;
  box-shadow:0 20px 30px rgba(28,63,88,.1);
}
.mobile-panel.open{display:block}
.mobile-panel .nav-links{flex-direction:column;align-items:stretch;gap:2px;margin-bottom:16px}
.mobile-panel .nav-link{padding:13px 14px;border-radius:12px;font-size:16px}
.mobile-panel .btn{width:100%;height:48px}

/* ====== 页面 Banner ====== */
.page-banner{
  position:relative;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  background-color:var(--navy);
  padding:154px 0 62px;
  margin-top:0;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.page-banner .banner-overlay{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(23,58,80,.92) 0%,rgba(23,58,80,.75) 52%,rgba(23,58,80,.55) 100%);
  pointer-events:none;
}
.banner-content{position:relative;z-index:2;max-width:860px;color:#fff}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:rgba(255,255,255,.82);margin-bottom:18px;
}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb i{font-style:normal;color:rgba(255,255,255,.6)}
.banner-kicker{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:13px;font-weight:600;
  padding:5px 13px;
  border-radius:999px;margin-bottom:20px;
}
.banner-kicker::before{content:'';width:6px;height:6px;border-radius:99px;background:#F4B884}
.page-banner h1{
  margin:0 0 14px;
  font-size:40px;
  line-height:1.28;
  font-weight:800;
  color:#fff;
  letter-spacing:.4px;
}
.banner-desc{
  margin:0;
  font-size:16px;
  line-height:1.9;
  color:rgba(255,255,255,.9);
  max-width:720px;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
@media (max-width:820px){
  .page-banner{padding:132px 0 48px}
  .page-banner h1{font-size:30px}
  .banner-desc{font-size:15px}
}
@media (max-width:520px){
  .page-banner h1{font-size:26px}
  .page-banner{padding:124px 0 40px}
}

/* ====== 分类快捷标签 ====== */
.chip-strip{
  background:#fff;
  border-bottom:1px solid var(--border);
  padding:16px 0;
}
.chip-strip-inner{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.chip-strip-label{font-weight:700;color:var(--heading);font-size:14px;margin-right:4px}
.chip{
  display:inline-flex;align-items:center;
  padding:6px 14px;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:999px;
  font-size:13px;
  color:var(--text);
  transition:all .2s ease;
}
.chip:hover{background:var(--primary-light);border-color:rgba(47,107,147,.3);color:var(--primary-dark)}
@media (max-width:640px){
  .chip-strip-label{width:100%}
}

/* ====== 通用 Section ====== */
.segment{padding:84px 0}
.segment-white{background:var(--surface)}
.segment-muted{background:var(--bg)}
.segment{position:relative}
.section-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow:var(--shadow-card);
}
@media (max-width:768px){.segment{padding:60px 0}}
.section-head{margin-bottom:38px}
.section-head.center{max-width:780px;margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;
  color:var(--primary);
  letter-spacing:.8px;
  text-transform:uppercase;
  margin-bottom:10px;
}
.eyebrow::before{content:'';width:8px;height:8px;border-radius:99px;background:var(--accent)}
.eyebrow.no-dot::before{display:none}
.section-title{
  font-size:31px;
  line-height:1.35;
  color:var(--heading);
  font-weight:800;
  margin:0;
  letter-spacing:.3px;
}
.section-description{
  margin:12px 0 0;
  font-size:15px;
  color:var(--muted);
  max-width:760px;
  line-height:1.9;
}
.center .section-description{margin-left:auto;margin-right:auto}
@media (max-width:768px){
  .section-title{font-size:26px}
  .section-description{font-size:14px}
}

/* ====== 横向资讯条目 ====== */
.latest-wrap{margin-top:8px}
.news-list{display:flex;flex-direction:column;gap:16px}
.news-row{
  position:relative;
  display:grid;
  grid-template-columns:128px 1fr 56px;
  align-items:center;
  gap:24px;
  background:var(--surface);
  border:1px solid var(--border);
  border-left:4px solid var(--border);
  border-radius:var(--radius);
  padding:22px 24px;
  box-shadow:var(--shadow-card);
  transition:all .24s ease;
}
.news-row:hover{
  border-left-color:var(--accent);
  box-shadow:var(--shadow-hover);
  transform:translateY(-2px);
}
.news-date{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  min-height:86px;
  background:var(--primary-light);
  border-radius:12px;
  color:var(--primary);
  text-align:center;
  padding:10px 6px;
}
.news-date .month{font-size:12px;font-weight:600;letter-spacing:1px;color:var(--muted)}
.news-date .day{font-size:28px;font-weight:800;line-height:1.1;color:var(--heading)}
.news-date .time-state{font-size:11px;color:var(--success)}
.news-content{min-width:0}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:7px}
.news-tag{
  display:inline-flex;align-items:center;
  padding:2px 10px;
  background:var(--bg);
  border:1px solid var(--border);
  color:var(--muted);
  border-radius:999px;
  font-size:12px;
  font-weight:500;
}
.news-tag.primary{background:var(--primary-light);border-color:#C8D8E6;color:var(--primary-dark)}
.news-row h3{
  margin:0 0 6px;
  font-size:18px;
  line-height:1.45;
  font-weight:700;
  color:var(--heading);
}
.news-row h3 a:hover{color:var(--primary)}
.news-content p{
  margin:0;
  color:var(--muted);
  font-size:14px;
  line-height:1.85;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  max-width:680px;
}
.news-arrow{
  width:46px;
  height:46px;
  border-radius:99px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:all .24s ease;
}
.news-row:hover .news-arrow{
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
}
.section-more{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-top:32px;
  padding-top:22px;
  border-top:1px solid var(--border);
  font-size:13px;
  color:var(--muted);
}
.link-strong{color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.link-strong:hover{color:var(--accent)}
@media (max-width:768px){
  .news-row{grid-template-columns:108px 1fr;gap:16px;padding:18px 16px}
  .news-arrow{display:none}
  .news-row h3{font-size:16px}
  .news-content p{-webkit-line-clamp:3}
}
@media (max-width:520px){
  .news-row{grid-template-columns:1fr;gap:12px}
  .news-date{flex-direction:row;justify-content:flex-start;gap:8px;min-height:auto;padding:8px 12px}
  .news-date .day{font-size:22px}
  .news-content h3{font-size:16px}
}

/* ====== 信息获取路径 ====== */
.flow-grid{
  display:grid;
  grid-template-columns:1fr 42px 1fr 42px 1fr;
  gap:22px;
  align-items:center;
}
.flow-step{
  display:flex;
  gap:16px;
  align-items:flex-start;
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  padding:24px 22px;
  box-shadow:var(--shadow-card);
  min-height:188px;
  transition:box-shadow .25s ease,transform .25s ease;
}
.flow-step:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.flow-number{
  flex:0 0 42px;
  width:42px;height:42px;
  background:var(--primary-light);
  color:var(--primary);
  font-size:16px;
  font-weight:800;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
}
.flow-step h3{margin:2px 0 10px;font-size:17px;color:var(--heading);line-height:1.4}
.flow-step p{margin:0;font-size:14px;color:var(--muted);line-height:1.85}
.flow-arrow{
  width:36px;height:36px;
  border-radius:99px;
  background:var(--bg);
  border:1px solid var(--border);
  display:flex;
  align-items:center;justify-content:center;
  color:var(--primary);
}
@media (max-width:1024px){
  .flow-grid{grid-template-columns:1fr;gap:14px}
  .flow-arrow{transform:rotate(90deg)}
}
@media (max-width:520px){
  .flow-step{padding:20px 16px}
}

/* ====== 图文分屏 ====== */
.media-pair{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:62px;
  align-items:center;
}
.media-frame{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-hover);
}
.media-frame img{width:100%;height:520px;object-fit:cover}
.media-chip{
  position:absolute;
  left:18px;bottom:18px;
  background:rgba(20,45,62,.82);
  color:#fff;
  border-radius:12px;
  padding:10px 16px;
  font-size:13px;
  line-height:1.4;
  backdrop-filter:blur(6px);
  display:flex;
  align-items:center;gap:8px;
}
.media-chip .dot{width:7px;height:7px;border-radius:99px;background:var(--success)}
.media-chip .dot.orange{background:var(--accent)}
.media-pair h2{
  color:var(--heading);
  font-size:30px;
  line-height:1.4;
  font-weight:800;
  margin:12px 0 18px;
}
.media-pair .section-description{margin:0 0 26px;font-size:14px}
.info-list{list-style:none;padding:0;margin:0 0 30px;display:flex;flex-direction:column;gap:14px}
.info-list li{
  position:relative;
  padding-left:30px;
  font-size:14px;
  line-height:1.8;
  color:var(--text);
}
.info-list li::before{
  content:'';
  position:absolute;left:1px;top:5px;
  width:18px;height:18px;
  background:var(--primary-light) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%232F6B93" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>');
  background-size:60%;
  background-position:center;
  background-repeat:no-repeat;
  border-radius:99px;
}
.info-list li strong{color:var(--heading)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:920px){
  .media-pair{grid-template-columns:1fr;gap:38px}
  .media-frame img{height:auto;max-height:480px}
  .media-pair h2{font-size:26px}
}

/* ====== 内容阅读范围 ====== */
.range-panel{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:18px;
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.range-panel-head{
  display:grid;
  grid-template-columns:1.2fr .9fr 1fr;
  background:var(--navy);
  color:#fff;
  padding:0 0;
}
.range-panel-head>div{padding:24px 26px;border-left:1px solid rgba(255,255,255,.12);font-weight:700;font-size:16px;background:transparent}
.range-panel-head>div:first-child{background:var(--navy);border-left:0;color:rgba(255,255,255,.7);font-weight:500}
.range-row{
  display:grid;
  grid-template-columns:1.2fr .9fr 1fr;
  border-top:1px solid var(--border);
}
.range-row>div{
  padding:18px 26px;
  font-size:14px;
  line-height:1.8;
  border-left:1px solid var(--border);
  min-height:62px;
}
.range-row>div:first-child{border-left:0;font-weight:600;color:var(--heading)}
.range-row:first-child{border-top:0}
@media (max-width:920px){
  .range-panel{overflow-x:auto}
  .range-panel-head,.range-row{min-width:680px}
}

/* ====== FAQ ====== */
.faq-layout{display:grid;grid-template-columns:360px 1fr;gap:56px;align-items:start}
.faq-aside{position:sticky;top:110px}
.faq-aside .section-description{margin:14px 0 22px}
.faq-aside .btn{margin-top:4px}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:14px;
  box-shadow:var(--shadow-card);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item.open{border-color:#C9D9E5;box-shadow:var(--shadow-hover)}
.faq-question{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  color:var(--heading);
  font-weight:700;
  padding:20px 22px;
  cursor:pointer;
  line-height:1.5;
}
.faq-question:hover{color:var(--primary)}
.faq-icon{
  flex:0 0 30px;
  width:30px;height:30px;
  border-radius:99px;
  background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);
  transition:transform .25s ease;
}
.faq-icon svg{transition:transform .25s ease}
.faq-item.open .faq-icon svg{transform:rotate(45deg)}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s ease, padding .32s ease;
}
.faq-item.open .faq-answer{max-height:600px}
.faq-answer-inner{
  padding:0 22px 22px;
  color:var(--muted);
  font-size:14px;
  line-height:1.9;
  border-top:1px dashed var(--border);
  padding-top:16px;
}
.faq-answer-inner p{margin:0 0 8px}
.faq-answer-inner p:last-child{margin-bottom:0}
@media (max-width:1024px){
  .faq-layout{grid-template-columns:1fr;gap:30px}
  .faq-aside{position:static}
}

/* ====== CTA ====== */
.cta-panel{
  position:relative;
  overflow:hidden;
  background-color:var(--navy);
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  border-radius:22px;
  padding:54px 58px;
  box-shadow:var(--shadow-hover);
}
.cta-panel .cta-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,58,80,.94),rgba(23,58,80,.78));pointer-events:none}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap}
.cta-copy{max-width:700px;color:#fff}
.cta-copy .eyebrow{color:#F4B884}
.cta-copy h2{margin:0 0 10px;font-size:30px;line-height:1.4;color:#fff;font-weight:800}
.cta-copy p{margin:0;font-size:15px;color:rgba(255,255,255,.82);line-height:1.9}
.cta-buttons{display:flex;flex-direction:column;align-items:center;gap:12px}
@media (max-width:768px){
  .cta-panel{padding:38px 24px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-copy h2{font-size:25px}
}

/* ====== 页脚 ====== */
.footer{
  background:#163348;
  color:#B9CCD8;
  padding-top:62px;
  margin-top:0;
}
.footer a{transition:color .2s ease}
.footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;padding-bottom:34px}
.footer-brand p{font-size:14px;color:#8FA8B9;line-height:1.85;margin-top:16px}
.footer h4{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin:0 0 16px;
  letter-spacing:.3px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#A9C0CE;line-height:1.6}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0}
.footer-bottom p{margin:0;font-size:13px;color:#8FA8B9;text-align:center}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer{padding-top:44px}
}
.logo-text{font-weight:800}
.logo-icon{
  width:36px;height:36px;
  border-radius:10px;
  background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;
}