/* roulang page: index */
:root {
    --color-primary: #13466F;
    --color-primary-deep: #0D3150;
    --color-primary-soft: #E4EEF6;
    --color-bg: #F7FAFC;
    --color-surface: #FFFFFF;
    --color-text: #203A4F;
    --color-text-soft: #5C7488;
    --color-border: #DCE6EF;
    --color-accent: #8F6A42;
    --color-accent-soft: #F3EBE1;
    --color-success: #2F7164;
    --color-danger: #B23A3A;
    --radius-card: 16px;
    --radius-control: 10px;
    --radius-pill: 999px;
    --shadow-card: 0 1px 2px rgba(19,70,111,0.05), 0 8px 24px rgba(19,70,111,0.05);
    --shadow-hover: 0 16px 32px rgba(19,70,111,0.08);
    --transition: all .25s cubic-bezier(.4,0,.2,1);
    --font-sans: "Inter","PingFang SC","Microsoft YaHei","Noto Sans SC","Segoe UI",sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); font-size: 16px; line-height: 1.8; color: var(--color-text); background: var(--color-bg); -webkit-font-smoothing: antialiased; }
.container { max-width: 1240px; margin: 0 auto; padding-left: 32px; padding-right: 32px; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid rgba(19,70,111,0.25); outline-offset: 2px; }
.section { padding-top: clamp(64px, 8vw, 104px); padding-bottom: clamp(64px, 8vw, 104px); }
.section-header { margin-bottom: 40px; }
.section-header h2 { font-size: clamp(24px, 3vw, 34px); line-height: 1.3; font-weight: 600; letter-spacing: -0.02em; color: var(--color-primary-deep); }
.section-header .section-desc { font-size: 18px; color: var(--color-text-soft); line-height: 2; margin-top: 8px; max-width: 760px; }
.badge { display: inline-flex; align-items: center; gap: 6px; background: var(--color-primary-soft); color: var(--color-primary); font-size: 13px; font-weight: 600; padding: 4px 12px; border-radius: var(--radius-pill); line-height: 1.5; }
.badge-accent { background: var(--color-accent-soft); color: var(--color-accent); }
.badge-green { background: #DFEEE9; color: var(--color-success); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 22px; border-radius: var(--radius-control); font-size: 15px; font-weight: 600; border: 1px solid transparent; cursor: pointer; transition: var(--transition); white-space: nowrap; font-family: inherit; line-height: 1.2; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-deep); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(19,70,111,0.18); }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background: rgba(19,70,111,0.06); border-color: var(--color-primary-deep); transform: translateY(-2px); }
.btn-white { background: #fff; color: var(--color-primary); border-color: var(--color-border); }
.btn-white:hover { background: var(--color-primary-soft); border-color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-card); }
.btn-block { width: 100%; }
.btn-lg { height: 52px; padding: 0 32px; font-size: 16px; border-radius: 12px; }
.btn:disabled { opacity: 0.5; pointer-events: none; }
.text-btn { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 15px; color: var(--color-primary); transition: var(--transition); }
.text-btn:hover { color: var(--color-primary-deep); gap: 10px; }
.arrow-icon { transition: transform .3s; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.95); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-border); }
.site-header .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.site-logo { display: inline-flex; align-items: baseline; gap: 2px; color: var(--color-primary-deep); font-weight: 800; }
.logo-mark { font-size: 22px; letter-spacing: -0.02em; font-weight: 800; }
.logo-text { font-size: 15px; font-weight: 700; letter-spacing: 0.06em; color: var(--color-text-soft); }
.header-nav { display: flex; align-items: center; gap: 6px; }
.header-nav a { padding: 8px 14px; font-size: 15px; font-weight: 500; color: var(--color-text-soft); border-radius: 8px; position: relative; transition: var(--transition); white-space: nowrap; }
.header-nav a:hover { color: var(--color-text); background: var(--color-primary-soft); }
.header-nav a.active { color: var(--color-primary); font-weight: 600; background: rgba(19,70,111,0.06); }
.header-nav a.active::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px; background: var(--color-primary); border-radius: 2px; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.command-search { display: inline-flex; align-items: center; gap: 8px; height: 38px; width: 200px; padding: 0 12px; border: 1px solid var(--color-border); background: var(--color-bg); border-radius: 10px; color: var(--color-text-soft); font-size: 14px; cursor: pointer; transition: var(--transition); font-family: inherit; }
.command-search:hover { border-color: #b7c9da; background: #fff; box-shadow: 0 2px 8px rgba(19,70,111,0.06); }
.search-placeholder { flex: 1; text-align: left; color: #8ba0b5; }
.search-kbd { font-family: "SF Mono", "Consolas", "PingFang SC", monospace; font-size: 12px; background: #e9eff5; border: 1px solid var(--color-border); border-radius: 5px; padding: 1px 6px; color: var(--color-text-soft); }
.icon-btn { width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center; border-radius: 10px; border: 1px solid transparent; background: transparent; color: var(--color-text-soft); cursor: pointer; transition: var(--transition); }
.icon-btn:hover { background: var(--color-primary-soft); color: var(--color-primary); }
.header-cta { height: 38px; padding: 0 16px; font-size: 14px; display: inline-flex; align-items: center; justify-content: center; background: var(--color-primary); color: #fff; border-radius: 10px; font-weight: 600; border: 1px solid transparent; cursor: pointer; transition: var(--transition); }
.header-cta:hover { background: var(--color-primary-deep); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(19,70,111,0.15); }
.hamburger { display: none; width: 40px; height: 40px; border: 1px solid var(--color-border); background: #fff; border-radius: 10px; align-items: center; justify-content: center; cursor: pointer; color: var(--color-primary-deep); }
.hamburger svg { width: 22px; height: 22px; }

/* Mobile drawer */
.drawer-overlay { position: fixed; inset: 0; background: rgba(13,49,80,0.45); opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; z-index: 200; }
.drawer-overlay.show { opacity: 1; visibility: visible; }
.drawer { position: fixed; top: 0; right: -88%; width: 85%; max-width: 360px; height: 100vh; height: 100dvh; background: var(--color-surface); z-index: 210; box-shadow: -24px 0 50px rgba(13,49,80,0.15); padding: 24px 20px; overflow-y: auto; transform: translateX(100%); transition: transform .35s cubic-bezier(.4,0,.2,1); }
.drawer.show { transform: translateX(0); }
.drawer-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.drawer-close { width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--color-border); background: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--color-text-soft); }
.drawer-nav { display: flex; flex-direction: column; gap: 4px; }
.drawer-nav a { padding: 14px 12px; font-size: 18px; color: var(--color-text); border-radius: 12px; transition: var(--transition); font-weight: 500; }
.drawer-nav a:hover { background: var(--color-primary-soft); color: var(--color-primary); }
.drawer-nav a.active { background: var(--color-primary-soft); color: var(--color-primary); font-weight: 600; }
.drawer-divider { height: 1px; background: var(--color-border); margin: 18px 0; }
.drawer-section-title { font-size: 13px; font-weight: 600; color: var(--color-text-soft); padding: 0 12px; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.04em; }

/* Search panel */
.search-panel { position: fixed; top: 80px; left: 50%; transform: translateX(-50%) scale(0.98); width: 560px; max-width: calc(100vw - 32px); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 16px; box-shadow: 0 20px 60px rgba(19,70,111,0.16); z-index: 220; padding: 20px; opacity: 0; visibility: hidden; transition: var(--transition); }
.search-panel.show { opacity: 1; visibility: visible; transform: translateX(-50%) scale(1); }
.search-panel input { width: 100%; height: 46px; border: 1px solid var(--color-border); border-radius: 10px; padding: 0 16px; font-size: 15px; font-family: inherit; background: var(--color-bg); transition: var(--transition); }
.search-panel input:focus { outline: none; border-color: var(--color-primary); background: #fff; box-shadow: 0 0 0 4px rgba(19,70,111,0.12); }
.panel-label { font-size: 13px; font-weight: 600; color: var(--color-text-soft); margin-top: 16px; margin-bottom: 10px; }
.hot-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.hot-tags a { font-size: 14px; padding: 6px 14px; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: 999px; color: var(--color-text-soft); transition: var(--transition); }
.hot-tags a:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-soft); }

/* Hero */
.hero { position: relative; background: var(--color-bg); overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(19,70,111,0.08) 1px, transparent 1px); background-size: 26px 26px; opacity: 0.4; pointer-events: none; }
.hero .hero-backdrop { position: absolute; right: -80px; top: -60px; width: 480px; height: 300px; background: var(--color-primary-soft); border-radius: 50%; filter: blur(80px); opacity: 0.5; }
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; padding-top: 64px; padding-bottom: 72px; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 20px; }
.hero h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.22; font-weight: 800; letter-spacing: -0.03em; color: var(--color-primary-deep); white-space: normal; }
.hero h1 .nowrap { white-space: nowrap; }
.hero-sub { font-size: 18px; line-height: 2; color: var(--color-text-soft); margin-top: 20px; max-width: 500px; }
.hero-ctas { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 36px; }
.trust-item { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--color-text-soft); }
.trust-dot { width: 20px; height: 20px; border-radius: 50%; background: var(--color-primary-soft); color: var(--color-primary); display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.hero-visual { position: relative; }
.hero-visual img { width: 100%; border-radius: 20px; box-shadow: var(--shadow-hover); border: 1px solid rgba(220,230,239,0.8); }
.hero-card { position: absolute; bottom: -20px; left: 20px; right: 30px; background: #fff; border: 1px solid var(--color-border); border-radius: 14px; padding: 16px 20px; box-shadow: var(--shadow-card); display: flex; align-items: center; gap: 14px; }
.hero-card-icon { width: 42px; height: 42px; border-radius: 10px; background: var(--color-primary-soft); display: inline-flex; align-items: center; justify-content: center; color: var(--color-primary); flex-shrink: 0; }
.hero-card h4 { font-size: 15px; font-weight: 600; color: var(--color-primary-deep); line-height: 1.4; }
.hero-card p { font-size: 13px; color: var(--color-text-soft); line-height: 1.5; }

/* Entry / Portal cards */
.entry-area { background: var(--color-surface); }
.entry-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 24px; align-items: stretch; }
.entry-big { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 32px; display: flex; flex-direction: column; justify-content: flex-end; min-height: 340px; position: relative; overflow: hidden; box-shadow: var(--shadow-card); transition: var(--transition); }
.entry-big:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.entry-big .entry-bg { position: absolute; inset: 0; opacity: 0.5; background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; }
.entry-big .entry-content { position: relative; z-index: 2; }
.entry-big h3 { font-size: 26px; font-weight: 700; color: var(--color-primary-deep); margin-bottom: 10px; line-height: 1.35; }
.entry-big p { font-size: 15px; color: var(--color-text-soft); margin-bottom: 16px; max-width: 390px; line-height: 1.8; }
.entry-big .entry-meta { display: flex; gap: 8px; flex-wrap: wrap; position: absolute; top: 24px; left: 24px; z-index: 2; }
.entry-col { display: flex; flex-direction: column; gap: 24px; }
.entry-small { flex: 1; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 26px; display: flex; flex-direction: column; justify-content: space-between; transition: var(--transition); box-shadow: var(--shadow-card); min-height: 180px; }
.entry-small:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.entry-small h3 { font-size: 18px; font-weight: 700; color: var(--color-primary-deep); margin-bottom: 8px; line-height: 1.4; }
.entry-small p { font-size: 14px; color: var(--color-text-soft); line-height: 1.8; margin-bottom: 14px; }
.entry-link { font-weight: 600; font-size: 14px; color: var(--color-primary); display: inline-flex; align-items: center; gap: 6px; }
.entry-small:hover .entry-link { gap: 10px; }
.entry-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--color-primary-soft); color: var(--color-primary); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 16px; }

/* Stat bar */
.stats-area { background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.stat-row { display: flex; align-items: stretch; }
.stat-item { flex: 1; text-align: center; padding: 36px 24px; position: relative; }
.stat-item:not(:last-child)::after { content: ""; position: absolute; right: 0; top: 25%; bottom: 25%; width: 1px; background: var(--color-border); }
.stat-icon { font-size: 30px; color: var(--color-accent); margin-bottom: 8px; display: block; }
.stat-item h3 { font-size: 22px; font-weight: 700; color: var(--color-primary-deep); line-height: 1.4; }
.stat-item .stat-desc { font-size: 14px; color: var(--color-text-soft); margin-top: 6px; line-height: 1.5; }

/* Showcase rows */
.showcase-area { background: var(--color-bg); }
.showcase-item { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.showcase-item + .showcase-item { margin-top: 72px; }
.showcase-item.reverse .showcase-img { order: 1; }
.showcase-item.reverse .showcase-info { order: 0; }
.showcase-img img { width: 100%; height: 380px; object-fit: cover; border-radius: 18px; box-shadow: var(--shadow-card); transition: var(--transition); }
.showcase-item:hover .showcase-img img { box-shadow: var(--shadow-hover); }
.showcase-info .tag-row { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.showcase-info h3 { font-size: 28px; font-weight: 700; color: var(--color-primary-deep); line-height: 1.4; margin-bottom: 14px; }
.showcase-info p { font-size: 16px; color: var(--color-text-soft); line-height: 1.9; margin-bottom: 20px; max-width: 480px; }
.showcase-info .more-link { margin-top: 4px; }

/* News area */
.news-area { background: var(--color-surface); }
.news-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 36px; }
.news-header h2 { font-size: clamp(24px, 3vw, 34px); color: var(--color-primary-deep); font-weight: 700; }
.news-featured { display: grid; grid-template-columns: 1.1fr 0.9fr; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-card); overflow: hidden; margin-bottom: 20px; transition: var(--transition); }
.news-featured:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.news-featured .news-featured-info { padding: 34px; display: flex; flex-direction: column; justify-content: center; }
.news-featured h3 { font-size: 24px; line-height: 1.5; font-weight: 700; color: var(--color-primary-deep); margin: 14px 0 12px; }
.news-featured h3 a { transition: var(--transition); }
.news-featured h3 a:hover { color: var(--color-primary); }
.news-summary { font-size: 15px; color: var(--color-text-soft); line-height: 1.9; }
.news-meta { display: flex; align-items: center; gap: 14px; margin-top: 18px; flex-wrap: wrap; font-size: 14px; color: var(--color-text-soft); }
.news-img { display: block; width: 100%; height: 100%; min-height: 210px; object-fit: cover; }
.news-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.news-row { display: block; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 22px 24px; transition: var(--transition); }
.news-row:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); border-color: var(--color-primary); }
.news-row .row-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.news-row .row-cat { font-size: 13px; font-weight: 600; color: var(--color-primary); background: var(--color-primary-soft); padding: 2px 10px; border-radius: 999px; }
.news-row time { font-size: 13px; color: var(--color-text-soft); }
.news-row h3 { font-size: 17px; font-weight: 600; line-height: 1.6; color: var(--color-text); transition: var(--transition); }
.news-row:hover h3 { color: var(--color-primary); }
.news-row p { font-size: 14px; color: var(--color-text-soft); line-height: 1.7; margin-top: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; background: var(--color-bg); border: 1px dashed var(--color-border); border-radius: var(--radius-card); padding: 56px 20px; }
.news-empty .empty-icon { width: 56px; height: 56px; border-radius: 50%; background: var(--color-primary-soft); color: var(--color-primary); display: inline-flex; align-items: center; justify-content: center; font-size: 24px; }
.news-empty p { color: var(--color-text-soft); font-size: 15px; }

/* Process */
.process-area { background: var(--color-bg); }
.process-steps { display: flex; gap: 0; margin-top: 32px; position: relative; }
.process-steps::before { content: ""; position: absolute; top: 32px; left: 12%; right: 12%; border-top: 2px dashed var(--color-border); z-index: 0; }
.process-step { flex: 1; position: relative; z-index: 1; text-align: center; padding: 0 18px; }
.process-num { width: 64px; height: 64px; border-radius: 50%; background: var(--color-surface); color: var(--color-primary); border: 1px solid var(--color-border); box-shadow: var(--shadow-card); display: inline-flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 800; margin-bottom: 20px; }
.process-step h3 { font-size: 19px; font-weight: 700; color: var(--color-primary-deep); margin-bottom: 8px; }
.process-step p { font-size: 15px; color: var(--color-text-soft); line-height: 1.8; max-width: 280px; margin: 0 auto; }
.process-line { position: absolute; top: 31px; left: 60%; right: -60%; height: 2px; background: repeating-linear-gradient(90deg, var(--color-border) 0 6px, transparent 6px 12px); z-index: 0; }

/* FAQ */
.faq-area { background: var(--color-surface); }
.faq-layout { display: grid; grid-template-columns: 0.6fr 1.4fr; gap: 48px; align-items: start; }
.faq-left { position: sticky; top: 104px; }
.faq-left h2 { font-size: 28px; font-weight: 700; color: var(--color-primary-deep); line-height: 1.3; margin-bottom: 12px; }
.faq-left p { color: var(--color-text-soft); max-width: 300px; }
.faq-list .faq-item { border-bottom: 1px solid var(--color-border); padding: 22px 4px; }
.faq-list .faq-item:first-child { border-top: 1px solid var(--color-border); }
.faq-q { display: flex; align-items: center; justify-content: space-between; gap: 20px; background: none; border: none; width: 100%; text-align: left; padding: 0; font-size: 17px; font-weight: 600; color: var(--color-text); cursor: pointer; transition: var(--transition); font-family: inherit; line-height: 1.6; }
.faq-q:hover { color: var(--color-primary); }
.faq-q .chevron { width: 32px; height: 32px; border-radius: 8px; background: var(--color-bg); display: inline-flex; align-items: center; justify-content: center; color: var(--color-text-soft); transition: transform .35s; flex-shrink: 0; }
.faq-item.active .faq-q { color: var(--color-primary); }
.faq-item.active .faq-q .chevron { transform: rotate(180deg); background: var(--color-primary-soft); color: var(--color-primary); }
.faq-a { max-height: 0; overflow: hidden; transition: all .4s ease; }
.faq-a-inner { padding-top: 14px; font-size: 15px; color: var(--color-text-soft); line-height: 1.9; }

/* CTA contact */
.contact-area { background: var(--color-bg); }
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 44px; }
.contact-info h2 { font-size: 30px; font-weight: 700; color: var(--color-primary-deep); line-height: 1.3; margin-bottom: 16px; }
.contact-info p { color: var(--color-text-soft); line-height: 1.9; max-width: 420px; margin-bottom: 28px; }
.contact-methods { display: flex; flex-direction: column; gap: 14px; }
.contact-cell { display: flex; align-items: center; gap: 14px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 12px; padding: 14px 18px; max-width: 420px; text-align: left; transition: var(--transition); }
.contact-cell:hover { box-shadow: var(--shadow-card); border-color: var(--color-primary); }
.contact-cell-icon { width: 38px; height: 38px; border-radius: 9px; background: var(--color-primary-soft); color: var(--color-primary); display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-cell label { font-size: 13px; color: var(--color-text-soft); display: block; line-height: 1.4; }
.contact-cell strong { font-size: 15px; color: var(--color-text); font-weight: 600; display: block; }
.contact-form-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 20px; padding: 34px; box-shadow: var(--shadow-card); }
.contact-form-card h3 { font-size: 20px; font-weight: 700; color: var(--color-primary-deep); margin-bottom: 4px; }
.contact-form-card .form-subtitle { font-size: 14px; color: var(--color-text-soft); margin-bottom: 22px; }
.form-group + .form-group { margin-top: 16px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; color: var(--color-text); margin-bottom: 6px; }
.form-group input, .form-group textarea { width: 100%; height: 46px; border: 1px solid var(--color-border); border-radius: var(--radius-control); padding: 0 14px; font-family: inherit; font-size: 15px; background: var(--color-bg); transition: var(--transition); box-shadow: none; }
.form-group textarea { height: 112px; padding: 12px 14px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--color-primary); background: #fff; box-shadow: 0 0 0 4px rgba(19,70,111,0.12); }
.form-group input::placeholder, .form-group textarea::placeholder { color: #a4b6c5; }
.form-hint { font-size: 13px; color: var(--color-text-soft); margin-top: 8px; }
.form-submit { margin-top: 22px; }
.form-error { border-color: var(--color-danger) !important; }
.form-error-text { color: var(--color-danger); font-size: 13px; margin-top: 6px; }
.form-success { background: #E9F5F1; color: var(--color-success); border: 1px solid #BFE3D8; border-radius: 10px; padding: 14px 18px; font-size: 15px; margin-bottom: 16px; display: none; }

/* Footer */
.site-footer { background: var(--color-primary-deep); color: #C8D6E3; }
.footer-top { display: grid; grid-template-columns: 1.2fr 0.8fr 0.9fr 1fr; gap: 48px; padding: 64px 0 48px; }
.footer-brand h3 { font-size: 24px; font-weight: 800; color: #fff; display: flex; align-items: baseline; gap: 3px; line-height: 1.3; }
.footer-brand h3 .footer-logo-text { font-size: 16px; font-weight: 500; color: #A6BDD0; letter-spacing: 0.05em; }
.footer-brand p { font-size: 14px; line-height: 1.9; max-width: 280px; margin-top: 16px; color: #8FA6B8; }
.social-row { display: flex; gap: 10px; margin-top: 20px; }
.social-btn { width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); display: inline-flex; align-items: center; justify-content: center; color: #C8D6E3; transition: var(--transition); }
.social-btn:hover { background: rgba(255,255,255,0.18); color: #fff; transform: translateY(-2px); }
.footer-col h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 20px; letter-spacing: 0.03em; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; color: #9AB2C6; transition: var(--transition); line-height: 1.6; }
.footer-col a:hover { color: #fff; padding-left: 5px; }
.footer-divider { border-top: 1px solid rgba(255,255,255,0.1); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 20px 0; font-size: 13px; color: #7E96AA; }
.footer-bottom a { color: #9AB2C6; transition: var(--transition); }
.footer-bottom a:hover { color: #fff; }
.back-top { width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14); display: inline-flex; align-items: center; justify-content: center; color: #C8D6E3; cursor: pointer; transition: var(--transition); font-family: inherit; }
.back-top:hover { background: rgba(255,255,255,0.2); transform: translateY(-3px); color: #fff; }

/* Breadcrumbs / shared header CTA responsive */
.page-header-common { background: var(--color-bg); border-bottom: 1px solid var(--color-border); padding: 40px 0; }

/* Responsive */
@media (max-width: 1023px) {
    .container { padding-left: 24px; padding-right: 24px; }
    .header-nav { display: none; }
    .command-search { display: none; }
    .header-cta { display: none; }
    .hamburger { display: inline-flex; }
    .hero .container { grid-template-columns: 1fr; gap: 32px; padding-top: 48px; }
    .hero-visual { margin-top: 10px; }
    .hero-visual img { max-height: 440px; width: 100%; object-fit: cover; }
    .entry-grid { grid-template-columns: 1fr; }
    .entry-col { flex-direction: row; }
    .entry-small { min-height: 150px; }
    .showcase-item { grid-template-columns: 1fr; gap: 40px; }
    .showcase-item.reverse .showcase-img { order: 0; }
    .showcase-item.reverse .showcase-info { order: 0; }
    .showcase-img img { height: 300px; }
    .stat-row { flex-wrap: wrap; }
    .stat-item { width: 50%; flex: 0 0 50%; padding: 28px 16px; border-bottom: 1px solid var(--color-border); }
    .stat-item:nth-child(2n)::after { display: none; }
    .faq-layout { grid-template-columns: 1fr; }
    .faq-left { position: static; }
    .contact-grid { grid-template-columns: 1fr; }
    .news-featured { grid-template-columns: 1fr; }
    .news-featured .news-img { min-height: 200px; }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
    .process-steps::before { display: none; }
    .process-step .process-line { display: none; }
}
@media (max-width: 767px) {
    body { font-size: 15px; }
    .container { padding-left: 20px; padding-right: 20px; }
    .site-header .header-inner { height: 60px; }
    .logo-mark { font-size: 19px; }
    .logo-text { font-size: 13px; }
    .section { padding-top: 56px; padding-bottom: 56px; }
    .section-header { margin-bottom: 24px; }
    .hero .container { padding-top: 32px; padding-bottom: 56px; gap: 40px; }
    .hero h1 { font-size: 32px; line-height: 1.3; }
    .hero-sub { font-size: 16px; }
    .hero-ctas { flex-direction: column; }
    .hero-ctas .btn { width: 100%; }
    .hero-trust { gap: 12px; }
    .trust-item { width: 100%; font-size: 13px; }
    .hero-card { position: static; margin-top: -2px; border-radius: 0 0 16px 16px; border-top: none; }
    .entry-big { padding: 24px; min-height: 260px; }
    .entry-big h3 { font-size: 21px; }
    .entry-col { flex-direction: column; }
    .entry-small { min-height: auto; }
    .stat-item { padding: 22px 12px; }
    .stat-icon { font-size: 25px; }
    .stat-item h3 { font-size: 18px; }
    .showcase-item + .showcase-item { margin-top: 48px; }
    .showcase-img img { height: 220px; }
    .showcase-info h3 { font-size: 22px; }
    .news-header { flex-direction: column; align-items: flex-start; }
    .news-featured .news-featured-info { padding: 22px; }
    .news-featured h3 { font-size: 20px; }
    .news-list { grid-template-columns: 1fr; }
    .news-row { padding: 18px 18px; }
    .process-steps { flex-direction: column; gap: 28px; }
    .process-step { max-width: 100%; }
    .process-step p { max-width: 100%; }
    .process-num { width: 52px; height: 52px; font-size: 16px; margin-bottom: 12px; }
    .faq-list .faq-item { padding: 16px 2px; }
    .faq-q { font-size: 15px; }
    .contact-form-card { padding: 24px; }
    .contact-info h2 { font-size: 24px; }
    .footer-top { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column-reverse; align-items: flex-start; }
    .btn-lg { width: 100%; }
    .search-panel { top: 64px; padding: 16px; }
}
@media (max-width: 480px) {
    .entry-grid { display: flex; flex-direction: column; }
    .entry-col { display: grid; grid-template-columns: 1fr; }
    .stat-item { width: 50%; flex: 0 0 50%; }
    .stat-item:last-child { border-bottom: none; }
    .hero-visual .hero-card { margin-top: 0; }
}

/* roulang page: article */
:root {
            --color-primary: #13466f;
            --color-primary-deep: #0d3150;
            --color-primary-soft: #e4eef6;
            --color-bg: #f7fafc;
            --color-surface: #ffffff;
            --color-text: #203a4f;
            --color-text-soft: #5c7488;
            --color-border: #dce6ef;
            --color-accent: #8f6a42;
            --color-success: #2f7164;
            --color-danger: #b23a3a;
            --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 1px 2px rgba(19, 70, 111, 0.05), 0 8px 24px rgba(19, 70, 111, 0.05);
            --shadow-hover: 0 16px 32px rgba(19, 70, 111, 0.08);
            --section-gap: clamp(64px, 8vw, 104px);
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        img { max-width: 100%; display: block; border-radius: var(--radius-md); }
        a { color: inherit; text-decoration: none; }
        button, input, textarea { font-family: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.4; }
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .container-narrow {
            max-width: 820px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section { padding: var(--section-gap) 0; }
        .section-head { margin-bottom: 44px; }
        .kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--color-primary);
            background: var(--color-primary-soft);
            border-radius: 999px;
            padding: 7px 16px 7px 12px;
            margin-bottom: 18px;
        }
        .kicker::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--color-accent); }

        .section-title {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            color: var(--color-primary-deep);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .section-sub { color: var(--color-text-soft); max-width: 720px; line-height: 1.9; }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 22px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.22s ease;
            white-space: nowrap;
            outline: none;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover { background: var(--color-primary-deep); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
        .btn-primary:active { transform: translateY(0); }
        .btn-primary:focus-visible { box-shadow: 0 0 0 4px rgba(19, 70, 111, 0.24); }

        .btn-light {
            background: #fff;
            color: var(--color-primary);
            border-color: #c9d9e6;
        }
        .btn-light:hover { background: var(--color-primary-soft); border-color: var(--color-primary); transform: translateY(-2px); }
        .btn-light:focus-visible { box-shadow: 0 0 0 4px rgba(19, 70, 111, 0.18); }

        .btn-ghost {
            background: transparent;
            color: var(--color-primary);
            border-color: transparent;
        }
        .btn-ghost:hover { background: var(--color-primary-soft); }
        .btn-ghost:focus-visible { box-shadow: 0 0 0 3px rgba(19, 70, 111, 0.18); }

        .btn-arrow svg { transition: transform 0.2s ease; }
        .btn-arrow:hover svg { transform: translateX(4px); }

        /* Header 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 80;
            height: 72px;
            background: rgba(255, 255, 255, 0.95);
            border-bottom: 1px solid rgba(220, 230, 239, 0.7);
            backdrop-filter: blur(10px);
            transition: box-shadow 0.2s ease, border-color 0.2s ease;
        }
        .site-header.scrolled { border-bottom-color: var(--color-border); box-shadow: 0 8px 30px rgba(19, 70, 111, 0.06); }

        .header-inner {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 32px;
            height: 72px;
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav-brand {
            display: inline-flex;
            align-items: baseline;
            flex-shrink: 0;
            padding: 3px 0;
        }
        .nav-brand .mark {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.03em;
        }
        .nav-brand .text {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary-deep);
            margin-left: 2px;
            letter-spacing: 0.01em;
        }
        .nav-brand:hover .text { color: var(--color-accent); }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0 auto;
        }

        .header-nav a {
            display: inline-flex;
            align-items: center;
            position: relative;
            height: 44px;
            padding: 0 14px;
            font-size: 15px;
            color: var(--color-text-soft);
            font-weight: 500;
            border-radius: 10px;
            transition: color 0.18s ease, background 0.18s ease;
        }
        .header-nav a:hover { color: var(--color-primary); background: var(--color-primary-soft); }
        .header-nav a.active { color: var(--color-primary); font-weight: 600; background: var(--color-primary-soft); }
        .header-nav a.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 6px;
            height: 2px;
            border-radius: 2px;
            background: var(--color-accent);
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: auto;
        }

        .search-shell {
            position: relative;
            width: 220px;
        }

        .search-button {
            display: flex;
            align-items: center;
            gap: 9px;
            width: 100%;
            height: 40px;
            border: 1px solid var(--color-border);
            border-radius: 999px;
            background: #f4f8fb;
            padding: 0 14px;
            cursor: pointer;
            color: var(--color-text-soft);
            transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
        }
        .search-button:hover, .search-button.open {
            border-color: #a9c0d4;
            background: #fff;
            box-shadow: 0 0 0 3px rgba(19, 70, 111, 0.08);
        }
        .search-button svg { flex-shrink: 0; }
        .search-button .search-label { font-size: 13px; flex: 1; text-align: left; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
        .search-kbd {
            flex-shrink: 0;
            font-size: 11px;
            font-family: "SF Mono", "Cascadia Code", monospace;
            border: 1px solid #d3dee8;
            background: #fff;
            border-radius: 5px;
            padding: 1px 6px;
            color: #6a7f91;
        }

        .search-panel {
            position: absolute;
            top: calc(100% + 12px);
            left: 0;
            width: 360px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 16px;
            box-shadow: 0 20px 48px rgba(19, 70, 111, 0.18);
            padding: 16px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-6px);
            transition: all 0.2s ease;
            z-index: 100;
        }
        .search-panel.show { opacity: 1; visibility: visible; transform: translateY(0); }

        .search-panel-input {
            display: flex;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--color-border);
            border-radius: 12px;
            padding: 0 12px;
            height: 44px;
            margin-bottom: 14px;
        }
        .search-panel-input input {
            border: 0;
            outline: 0;
            flex: 1;
            background: transparent;
            font-size: 14px;
            color: var(--color-text);
        }
        .search-panel-title { font-size: 12px; color: var(--color-text-soft); margin-bottom: 10px; letter-spacing: 0.06em; font-weight: 600; }
        .search-tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .search-tags a {
            font-size: 12px;
            padding: 5px 11px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 999px;
            color: var(--color-text-soft);
            transition: all 0.2s ease;
        }
        .search-tags a:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-soft); }

        .quick-icon {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 999px;
            border: 1px solid var(--color-border);
            background: #fff;
            color: var(--color-primary);
            transition: border-color 0.2s ease, background 0.2s ease;
        }
        .quick-icon:hover { border-color: var(--color-primary); background: var(--color-primary-soft); }

        .header-cta { height: 40px; font-size: 14px; padding: 0 18px; }

        .hamburger {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            background: #fff;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--color-text);
            transition: background 0.2s ease;
        }
        .hamburger:hover { background: var(--color-primary-soft); }

        /* 移动端抽屉 */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(13, 49, 80, 0.4);
            z-index: 200;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease;
        }
        .drawer-overlay.show { opacity: 1; visibility: visible; }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -85%;
            width: 85%;
            max-width: 360px;
            height: 100%;
            background: #fff;
            z-index: 220;
            padding: 24px;
            box-shadow: -16px 0 40px rgba(13, 49, 80, 0.12);
            overflow-y: auto;
            transition: right 0.3s ease;
        }
        .mobile-drawer.show { right: 0; }

        .drawer-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            padding-bottom: 16px;
            border-bottom: 1px solid #edf2f7;
        }
        .drawer-close {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            background: transparent;
            color: var(--color-text);
            cursor: pointer;
        }
        .drawer-close:hover { background: var(--color-bg); }

        .drawer-nav { display: flex; flex-direction: column; gap: 2px; margin-bottom: 24px; }
        .drawer-nav a {
            padding: 12px 14px;
            font-size: 17px;
            font-weight: 500;
            border-radius: 12px;
            color: var(--color-text);
            transition: background 0.2s ease, color 0.2s ease;
        }
        .drawer-nav a:hover { background: var(--color-primary-soft); color: var(--color-primary); }
        .drawer-nav a.active { background: var(--color-primary-soft); color: var(--color-primary); font-weight: 600; }

        .drawer-tools { display: flex; flex-direction: column; gap: 12px; }

        /* 文章页面 */
        .article-page { padding-top: 40px; padding-bottom: 80px; }

        .article-banner {
            background: url("/assets/images/backpic/back-2.png") center 18% / cover no-repeat;
            border-radius: 24px;
            min-height: 180px;
            display: flex;
            align-items: flex-end;
            padding: 34px 36px;
            position: relative;
            overflow: hidden;
            margin-bottom: 30px;
            border: 1px solid #d2dfe9;
            box-shadow: var(--shadow-card);
        }
        .article-banner::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(13, 49, 80, 0.72), rgba(19, 70, 111, 0.2));
        }
        .article-banner-content { position: relative; z-index: 2; color: #fff; }
        .article-banner-content .banner-kicker {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: #cfe0ee;
            margin-bottom: 6px;
        }
        .article-banner-content h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text-soft);
            margin-bottom: 28px;
            padding: 14px 20px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 14px;
        }
        .breadcrumb-custom a { transition: color 0.18s ease; }
        .breadcrumb-custom a:hover { color: var(--color-primary); }
        .breadcrumb-custom .current { color: var(--color-primary); font-weight: 500; }

        .article-content-wrap {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 24px;
            box-shadow: var(--shadow-card);
            padding: 56px clamp(20px, 6vw, 72px);
        }

        .article-category-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 20px;
        }

        .article-tag-cat {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
        }

        .article-time {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--color-text-soft);
            font-size: 14px;
        }
        .article-time svg { stroke: var(--color-accent); }

        .article-title {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.02em;
            color: var(--color-primary-deep);
            margin-bottom: 16px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px 24px;
            padding-bottom: 20px;
            margin-bottom: 28px;
            border-bottom: 1px dashed #d3dee8;
            color: var(--color-text-soft);
            font-size: 14px;
        }
        .article-meta a { color: var(--color-primary); font-weight: 500; }
        .article-meta a:hover { color: var(--color-primary-deep); text-decoration: underline; }
        .meta-sep { width: 1px; height: 16px; background: var(--color-border); }

        .article-cover {
            margin-bottom: 38px;
            border-radius: 18px;
            overflow: hidden;
            background: #dde8f0;
            border: 1px solid var(--color-border);
        }
        .article-cover img {
            width: 100%;
            height: auto;
            max-height: 460px;
            object-fit: cover;
            border-radius: 18px;
        }

        .article-body {
            max-width: 780px;
            margin: 0 auto;
            color: var(--color-text);
            font-size: 17px;
            line-height: 2;
        }

        .article-body p { margin-bottom: 24px; }
        .article-body h2 {
            font-size: 25px;
            color: var(--color-primary-deep);
            margin-top: 46px;
            margin-bottom: 18px;
            font-weight: 700;
            letter-spacing: -0.01em;
            padding-left: 14px;
            border-left: 4px solid var(--color-accent);
            border-radius: 2px;
        }
        .article-body h3 {
            font-size: 21px;
            color: var(--color-primary-deep);
            margin-top: 34px;
            margin-bottom: 14px;
            font-weight: 700;
        }
        .article-body ul, .article-body ol {
            margin: 0 0 26px 26px;
            display: grid;
            gap: 10px;
        }
        .article-body ul { list-style: disc; }
        .article-body ol { list-style: decimal; }
        .article-body li::marker { color: var(--color-accent); }
        .article-body li { padding-left: 6px; }
        .article-body a:not(.no-line) {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 4px;
            text-decoration-color: #9db9d0;
        }
        .article-body a:hover { color: var(--color-accent); text-decoration-color: var(--color-accent); }
        .article-body blockquote {
            border-left: 4px solid var(--color-accent);
            background: #faf5ee;
            padding: 20px 26px;
            border-radius: 0 14px 14px 0;
            color: #3e4f5d;
            font-style: normal;
            margin: 0 0 28px 0;
        }
        .article-body img { border-radius: 14px; margin: 28px 0; border: 1px solid var(--color-border); }
        .article-body figure { margin: 28px 0; }
        .article-body figcaption { font-size: 14px; color: var(--color-text-soft); text-align: center; margin-top: 12px; }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 26px 0 30px;
            font-size: 15px;
            border-radius: 12px;
            overflow: hidden;
        }
        .article-body th {
            background: var(--color-primary-soft);
            color: var(--color-primary-deep);
            font-weight: 600;
            padding: 12px 14px;
            text-align: left;
        }
        .article-body td { padding: 12px 14px; border-bottom: 1px solid #e2ebf2; }
        .article-body code {
            background: #edf2f7;
            color: var(--color-primary-deep);
            padding: 3px 7px;
            border-radius: 5px;
            font-size: 0.9em;
        }

        .article-footer {
            max-width: 780px;
            margin: 44px auto 0;
            padding-top: 28px;
            border-top: 1px dashed var(--color-border);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
        }
        .article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .article-tags a {
            display: inline-flex;
            align-items: center;
            padding: 6px 13px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            color: var(--color-text-soft);
            border-radius: 999px;
            font-size: 13px;
            transition: all 0.2s ease;
        }
        .article-tags a:hover { color: var(--color-primary); border-color: var(--color-primary); background: var(--color-primary-soft); }

        .article-share { display: flex; align-items: center; gap: 9px; }
        .share-copy-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 36px;
            padding: 0 14px;
            border-radius: 999px;
            border: 1px solid var(--color-border);
            background: #fff;
            color: var(--color-text-soft);
            font-size: 13px;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .share-copy-btn:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-soft); }

        .article-nav-section { margin-top: 64px; max-width: 780px; margin-left: auto; margin-right: auto; }
        .article-nav {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }
        .prev-next-item {
            border: 1px solid var(--color-border);
            background: #fff;
            border-radius: 16px;
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }
        .prev-next-item:hover { border-color: #93b3cb; box-shadow: var(--shadow-card); transform: translateY(-3px); }
        .prev-next-label { font-size: 13px; color: var(--color-text-soft); display: flex; align-items: center; gap: 6px; }
        .prev-next-title { font-size: 16px; font-weight: 600; color: var(--color-primary-deep); line-height: 1.7; }

        .related-section { margin-top: 64px; }
        .related-title-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 24px;
            max-width: 780px;
            margin-left: auto;
            margin-right: auto;
        }
        .related-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary-deep);
        }
        .related-more { color: var(--color-primary); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 5px; }
        .related-more:hover { color: var(--color-accent); }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            max-width: 780px;
            margin: 0 auto;
        }
        .related-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 16px;
            overflow: hidden;
            transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: #adc6d8; }
        .related-thumb {
            height: 132px;
            background: var(--color-primary-soft);
            border-bottom: 1px solid var(--color-border);
            overflow: hidden;
        }
        .related-thumb img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; }
        .related-info { padding: 16px 18px 20px; }
        .related-info h3 { font-size: 16px; line-height: 1.6; font-weight: 600; color: var(--color-primary-deep); margin-bottom: 8px; }
        .related-info p { font-size: 13px; color: var(--color-text-soft); line-height: 1.8; }
        .related-info a { color: var(--color-primary); font-size: 13px; font-weight: 500; display: inline-block; margin-top: 10px; }
        .related-info a:hover { text-decoration: underline; }

        /* 返回 */
        .back-block {
            max-width: 780px;
            margin: 56px auto 0;
            background: linear-gradient(120deg, #f2f6fa, #fbf7f1);
            border: 1px solid var(--color-border);
            border-radius: 18px;
            padding: 26px 30px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .back-copy { display: flex; align-items: center; gap: 16px; }
        .back-icon {
            width: 46px;
            height: 46px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .back-copy h3 { font-size: 18px; color: var(--color-primary-deep); }
        .back-copy p { font-size: 14px; color: var(--color-text-soft); margin-top: 2px; }

        /* 内容未找到 */
        .not-found-card {
            max-width: 780px;
            margin: 46px auto 0;
            border: 1px dashed #c6d6e3;
            background: #fff;
            border-radius: 24px;
            padding: 64px 28px;
            text-align: center;
        }
        .not-found-icon {
            width: 68px;
            height: 68px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
        }
        .not-found-card h2 { font-size: 24px; font-weight: 700; color: var(--color-primary-deep); margin-bottom: 10px; }
        .not-found-card p { color: var(--color-text-soft); margin-bottom: 28px; font-size: 15px; }

        /* 页脚 */
        .site-footer {
            background: #0f2c42;
            color: rgba(255, 255, 255, 0.78);
            padding: 64px 0 28px;
            border-top: 4px solid rgba(255, 255, 255, 0.06);
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
            gap: 38px;
            margin-bottom: 38px;
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            display: flex;
            align-items: baseline;
            gap: 4px;
            margin-bottom: 12px;
        }
        .footer-brand h3 .mark {
            font-size: 27px;
            font-weight: 800;
            color: #fff;
        }
        .footer-brand h3 .footer-logo-text {
            font-size: 18px;
            font-weight: 600;
            color: #bfd4e5;
        }
        .footer-brand p { font-size: 14px; line-height: 1.9; color: rgba(255, 255, 255, 0.6); margin-bottom: 20px; max-width: 340px; }
        .social-row { display: flex; gap: 10px; }
        .social-btn {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: #c9dceb;
            transition: all 0.2s ease;
        }
        .social-btn:hover { background: rgba(255, 255, 255, 0.14); color: #fff; border-color: rgba(255, 255, 255, 0.2); transform: translateY(-3px); }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.03em;
        }
        .footer-col ul { display: grid; gap: 11px; }
        .footer-col ul li { font-size: 14px; line-height: 1.6; }
        .footer-col ul li a { color: rgba(255, 255, 255, 0.62); transition: color 0.2s ease, padding-left 0.2s ease; }
        .footer-col ul li a:hover { color: #fff; padding-left: 4px; }
        .footer-divider { height: 1px; background: rgba(255, 255, 255, 0.1); margin-bottom: 22px; }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom p { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; }
        .footer-bottom a { color: rgba(255, 255, 255, 0.7); }
        .footer-bottom a:hover { color: #fff; }
        .back-top {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: #c9dceb;
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.22s ease;
        }
        .back-top:hover { background: var(--color-accent); color: #fff; border-color: var(--color-accent); transform: translateY(-3px); }

        /* 响应式 */
        @media (max-width: 1100px) {
            .related-grid { grid-template-columns: repeat(3, 1fr); }
            .footer-top { grid-template-columns: 1.5fr 1fr 1fr; }
        }

        @media (max-width: 1023px) {
            .header-nav { display: none; }
            .header-cta { display: none; }
            .search-shell { display: none; }
            .quick-icon { display: none; }
            .hamburger { display: inline-flex; margin-left: auto; }
            .header-tools { margin-left: 0; }
            .header-inner { justify-content: space-between; }
            .related-grid { grid-template-columns: repeat(2, 1fr); max-width: 640px; }
        }

        @media (max-width: 767px) {
            .header-inner { padding: 0 20px; height: 60px; }
            .site-header { height: 60px; }
            .nav-brand .mark { font-size: 21px; }
            .nav-brand .text { font-size: 14px; }
            .container { padding-left: 20px; padding-right: 20px; }
            .kicker { font-size: 13px; }
            .section-title { font-size: 27px; }
            .breadcrumb-custom { font-size: 13px; padding: 12px 14px; }
            .article-content-wrap { padding: 32px 18px; border-radius: 18px; }
            .article-title { font-size: 28px; }
            .article-category-row { gap: 10px; }
            .article-body { font-size: 16px; }
            .article-footer { flex-direction: column; align-items: flex-start; }
            .article-nav { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: 1fr; }
            .back-block { padding: 22px; flex-direction: column; text-align: center; }
            .back-copy { flex-direction: column; align-items: center; }
            .article-banner { padding: 28px 20px; min-height: 148px; }
            .article-banner-content h2 { font-size: 21px; }
            .article-meta .meta-item-time { width: 100%; }
            .article-meta { gap: 12px; }
            .footer-top { grid-template-columns: 1fr; gap: 30px; }
            .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
            .section { padding: 56px 0; }
        }

        @media (max-width: 520px) {
            .container { padding-left: 16px; padding-right: 16px; }
            .header-inner { padding: 0 16px; }
            .related-grid { grid-template-columns: 1fr; }
            .article-cover { border-radius: 14px; }
            .article-title { font-size: 25px; }
            .article-tag-cat { font-size: 12px; padding: 5px 10px; }
            .article-content-wrap { padding: 24px 12px; }
            .article-body { font-size: 15px; }
            .article-body h2 { font-size: 22px; }
            .article-body blockquote { padding: 16px 18px; }
            .footer-bottom p { font-size: 12px; }
        }

/* roulang page: category1 */
:root {
    --color-primary: #13466F;
    --color-primary-deep: #0D3150;
    --color-primary-soft: #E4EEF6;
    --color-bg: #F7FAFC;
    --color-surface: #FFFFFF;
    --color-text: #203A4F;
    --color-text-soft: #5C7488;
    --color-border: #DCE6EF;
    --color-accent: #8F6A42;
    --color-success: #2F7164;
    --color-danger: #B23A3A;
    --font-main: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
    --radius-lg: 20px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --shadow-card: 0 1px 2px rgba(19, 70, 111, 0.05), 0 8px 24px rgba(19, 70, 111, 0.05);
    --shadow-hover: 0 16px 32px rgba(19, 70, 111, 0.09);
    --container-width: 1240px;
    --space-section: clamp(64px, 8vw, 104px);
  }

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

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

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

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

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

  button,
  input,
  textarea {
    font: inherit;
    line-height: inherit;
  }

  button {
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
  }

  .container {
    width: 100%;
    max-width: var(--container-width);
    margin-inline: auto;
    padding-inline: clamp(20px, 3vw, 32px);
  }

  :focus-visible {
    outline: 3px solid rgba(19, 70, 111, 0.3);
    outline-offset: 2px;
    border-radius: 6px;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-accent);
  }

  .eyebrow::before {
    content: "";
    width: 22px;
    height: 2px;
    background: var(--color-accent);
    border-radius: 999px;
  }

  /* Header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 80;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
    transition: box-shadow 0.25s ease, border-color 0.25s ease;
  }

  .site-header.scrolled {
    box-shadow: 0 10px 30px rgba(19, 70, 111, 0.06);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    height: 72px;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
    white-space: nowrap;
    text-decoration: none;
  }

  .brand-en {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-primary);
    line-height: 1;
  }

  .brand-cn {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--color-text);
    line-height: 1;
    padding-bottom: 2px;
  }

  .header-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
  }

  .header-nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 9px 13px;
    border-radius: 10px;
    font-size: 15px;
    color: var(--color-text-soft);
    transition: color 0.2s ease, background 0.2s ease;
  }

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

  .header-nav a.active {
    color: var(--color-primary);
    font-weight: 600;
  }

  .header-nav a.active::after {
    content: "";
    position: absolute;
    left: 15px;
    right: 15px;
    bottom: 2px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 99px;
  }

  .header-tools {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
  }

  .search-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    width: 196px;
    height: 40px;
    padding: 0 6px 0 12px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    color: var(--color-text-soft);
    transition: border-color 0.2s, box-shadow 0.2s;
  }

  .search-trigger:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(19, 70, 111, 0.08);
  }

  .search-trigger .trigger-text {
    font-size: 14px;
    color: var(--color-text-soft);
    white-space: nowrap;
  }

  .search-trigger kbd {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: "SFMono-Regular", Consolas, monospace;
    font-size: 12px;
    color: var(--color-text-soft);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-bottom-width: 2px;
    border-radius: 7px;
    padding: 2px 7px;
    white-space: nowrap;
  }

  .icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    color: var(--color-text-soft);
    border: 1px solid transparent;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
  }

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

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 22px;
    border-radius: 11px;
    border: 1px solid transparent;
    font-size: 15px;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s, color 0.2s, box-shadow 0.2s, transform 0.2s;
  }

  .btn:hover {
    transform: translateY(-1px);
  }

  .btn:active {
    transform: translateY(0);
  }

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

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

  .btn-outline {
    background: transparent;
    border-color: rgba(19, 70, 111, 0.4);
    color: var(--color-primary);
  }

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

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

  .btn-light:hover {
    background: var(--color-primary-soft);
    color: var(--color-primary-deep);
  }

  .btn-sm {
    min-height: 38px;
    padding: 0 16px;
    font-size: 14px;
    border-radius: 9px;
  }

  .btn-block {
    width: 100%;
  }

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 14px;
    color: var(--color-primary);
    transition: color 0.2s, gap 0.2s;
  }

  .text-link:hover {
    color: var(--color-primary-deep);
    gap: 9px;
  }

  .text-link svg {
    width: 15px;
    height: 15px;
    transition: transform 0.2s;
  }

  .menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    color: var(--color-text);
    border: 1px solid var(--color-border);
  }

  .menu-toggle svg {
    width: 20px;
    height: 20px;
  }

  .menu-toggle .icon-close {
    display: none;
  }

  .menu-toggle.open .icon-close {
    display: block;
  }

  .menu-toggle.open .icon-menu {
    display: none;
  }

  /* Search panel */
  .search-panel {
    position: absolute;
    left: max(20px, calc((100vw - 640px) / 2));
    right: max(20px, calc((100vw - 640px) / 2));
    max-width: 640px;
    margin: 0 auto;
    top: calc(100% + -12px);
    z-index: 90;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    box-shadow: 0 24px 60px rgba(19, 70, 111, 0.16);
    padding: 16px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
  }

  .search-panel.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .search-field {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 48px;
    padding: 0 14px;
    border: 1px solid var(--color-primary);
    border-radius: 11px;
    background: var(--color-bg);
  }

  .search-field svg {
    width: 18px;
    height: 18px;
    color: var(--color-text-soft);
    flex-shrink: 0;
  }

  .search-field input {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    outline: none;
    color: var(--color-text);
    font-size: 15px;
  }

  .search-hot {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 14px;
    font-size: 14px;
  }

  .search-hot label {
    color: var(--color-text-soft);
    padding-right: 2px;
  }

  .search-hot a {
    border: 1px solid var(--color-border);
    background: #fff;
    color: var(--color-text);
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 13px;
    transition: border-color 0.2s, color 0.2s;
  }

  .search-hot a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
  }

  /* Drawer mask and menu */
  .drawer-mask {
    position: fixed;
    inset: 0;
    z-index: 110;
    background: rgba(13, 49, 80, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
  }

  .drawer-mask.open {
    opacity: 1;
    visibility: visible;
  }

  .mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(85%, 360px);
    z-index: 120;
    background: #fff;
    box-shadow: -18px 0 50px rgba(13, 49, 80, 0.14);
    transform: translateX(100%);
    transition: transform 0.32s ease;
    overflow-y: auto;
    padding: 28px 24px 40px;
  }

  .mobile-menu.open {
    transform: translateX(0);
  }

  .mobile-menu-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 24px;
  }

  .mobile-menu-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary-deep);
  }

  .mobile-close {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    background: var(--color-bg);
  }

  .mobile-nav {
    display: grid;
    gap: 4px;
    margin-bottom: 26px;
  }

  .mobile-nav a {
    display: block;
    padding: 14px 16px;
    border-radius: 12px;
    font-size: 17px;
    color: var(--color-text);
    transition: background 0.2s, color 0.2s;
  }

  .mobile-nav a.active {
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-weight: 700;
  }

  .mobile-contact {
    border-top: 1px solid var(--color-border);
    padding-top: 20px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .mobile-contact span {
    font-size: 14px;
    color: var(--color-text-soft);
  }

  /* Page banner */
  .page-banner {
    background:
      linear-gradient(105deg, rgba(247, 250, 252, 0.98) 0%, rgba(244, 248, 251, 0.92) 50%, rgba(228, 238, 246, 0.82) 100%),
      url("/assets/images/backpic/back-1.png") center / cover no-repeat;
    border-bottom: 1px solid var(--color-border);
    padding: clamp(46px, 6vw, 84px) 0 clamp(40px, 5vw, 74px);
    overflow: hidden;
  }

  .banner-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 440px;
    align-items: center;
    gap: clamp(28px, 5vw, 70px);
  }

  .breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 7px;
    margin: 0 0 20px;
    padding: 0;
    list-style: none;
    font-size: 14px;
    color: var(--color-text-soft);
  }

  .breadcrumb li {
    display: inline-flex;
    align-items: center;
    gap: 7px;
  }

  .breadcrumb li + li::before {
    content: "/";
    color: var(--color-border);
    font-weight: 500;
  }

  .breadcrumb li:last-child {
    color: var(--color-text);
  }

  .breadcrumb a {
    color: var(--color-text-soft);
    transition: color 0.2s;
  }

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

  .banner-copy h1 {
    margin: 0 0 18px;
    font-size: clamp(34px, 5vw, 54px);
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--color-primary-deep);
  }

  .banner-copy .banner-lead {
    margin: 0 0 28px;
    max-width: 640px;
    font-size: 17px;
    line-height: 1.9;
    color: var(--color-text);
  }

  .banner-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
  }

  .banner-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .banner-visual .visual-main {
    z-index: 2;
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
  }

  .banner-float-card {
    position: absolute;
    z-index: 4;
    left: -14px;
    bottom: 22px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 14px;
    padding: 12px 16px;
    box-shadow: var(--shadow-hover);
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 250px;
  }

  .banner-float-dot {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: var(--color-primary-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
  }

  .banner-float-text {
    display: grid;
    gap: 2px;
  }

  .banner-float-text strong {
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.4;
    white-space: nowrap;
  }

  .banner-float-text span {
    font-size: 12px;
    color: var(--color-text-soft);
    white-space: nowrap;
  }

  /* Generic section */
  .section-spacing {
    padding-block: var(--space-section);
  }

  .section-head {
    margin-bottom: clamp(28px, 4vw, 44px);
  }

  .section-head h2 {
    margin: 8px 0 12px;
    font-size: clamp(24px, 3vw, 34px);
    line-height: 1.35;
    color: var(--color-primary-deep);
  }

  .section-head p {
    margin: 0;
    color: var(--color-text-soft);
    max-width: 720px;
    font-size: 16px;
  }

  /* Entry Guide */
  .entry-area {
    padding-block: var(--space-section);
  }

  .guide-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
    gap: 30px;
  }

  .entry-main {
    min-width: 0;
  }

  .entry-list {
    display: grid;
    gap: 14px;
  }

  .entry-item {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 16px 20px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 18px;
    padding: 26px 28px;
    transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
    scroll-margin-top: 110px;
  }

  .entry-item:hover {
    border-color: rgba(19, 70, 111, 0.32);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
  }

  .entry-idx {
    grid-row: span 2;
  }

  .entry-idx span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-weight: 800;
    font-size: 17px;
    letter-spacing: -0.02em;
  }

  .entry-content .entry-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
  }

  .entry-content .entry-tags span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text-soft);
    font-size: 12px;
    line-height: 1;
    padding: 6px 10px;
    border-radius: 999px;
  }

  .entry-content h3 {
    margin: 0 0 8px;
    font-size: 20px;
    line-height: 1.4;
    color: var(--color-text);
    scroll-margin-top: 110px;
  }

  .entry-content p {
    margin: 0 0 14px;
    color: var(--color-text-soft);
    line-height: 1.85;
    font-size: 15px;
  }

  .entry-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
  }

  .entry-link svg {
    width: 15px;
    height: 15px;
    transition: transform 0.2s;
  }

  .entry-link:hover svg {
    transform: translateX(3px);
  }

  /* Aside */
  .guide-aside {
    position: relative;
  }

  .sticky-side {
    position: sticky;
    top: 96px;
    display: grid;
    gap: 16px;
  }

  .side-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 18px;
    padding: 22px;
    box-shadow: 0 4px 16px rgba(19, 70, 111, 0.03);
  }

  .side-card-title {
    margin: 0 0 14px;
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary-deep);
  }

  .toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 2px;
  }

  .toc-list a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--color-text-soft);
    padding: 8px 10px;
    border-radius: 9px;
    transition: background 0.2s, color 0.2s;
  }

  .toc-list a::before {
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-border);
    transition: background 0.2s;
  }

  .toc-list a:hover {
    color: var(--color-primary);
    background: var(--color-primary-soft);
  }

  .toc-list a:hover::before {
    background: var(--color-primary);
  }

  .aside-media img {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 12px;
  }

  .aside-media p {
    margin: 0 0 14px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text-soft);
  }

  /* Verification section */
  .verify-panel {
    background: var(--color-primary-deep);
    border-radius: 24px;
    color: #fff;
    padding: clamp(26px, 4vw, 52px);
    overflow: hidden;
    position: relative;
    margin-bottom: var(--space-section);
  }

  .verify-panel::after {
    content: "";
    position: absolute;
    right: -80px;
    top: -80px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
  }

  .verify-head {
    max-width: 680px;
    position: relative;
    z-index: 1;
  }

  .verify-head .eyebrow {
    color: rgba(255, 255, 255, 0.7);
  }

  .verify-head .eyebrow::before {
    background: rgba(255, 255, 255, 0.7);
  }

  .verify-head h2 {
    margin: 10px 0 12px;
    font-size: clamp(24px, 3vw, 34px);
    line-height: 1.35;
    color: #fff;
  }

  .verify-head p {
    margin: 0;
    color: rgba(255, 255, 255, 0.78);
    font-size: 16px;
  }

  .verify-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 32px;
    position: relative;
    z-index: 1;
  }

  .verify-step {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 18px;
    padding: 22px;
    transition: background 0.2s, border-color 0.2s;
  }

  .verify-step:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
  }

  .verify-step .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 11px;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-weight: 800;
    font-size: 14px;
    margin-bottom: 12px;
  }

  .verify-step h3 {
    margin: 0 0 8px;
    font-size: 17px;
    color: #fff;
  }

  .verify-step p {
    margin: 0;
    color: rgba(255, 255, 255, 0.78);
    font-size: 14px;
    line-height: 1.8;
  }

  /* Scene guide */
  .scene-area {
    padding-bottom: var(--space-section);
  }

  .scene-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .scene-card {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 30px 28px;
    overflow: hidden;
    transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  }

  .scene-card:hover {
    transform: translateY(-4px);
    border-color: rgba(19, 70, 111, 0.24);
    box-shadow: var(--shadow-hover);
  }

  .scene-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    margin-bottom: 18px;
  }

  .scene-icon svg {
    width: 22px;
    height: 22px;
  }

  .scene-card h3 {
    margin: 0 0 10px;
    font-size: 20px;
    color: var(--color-text);
    line-height: 1.5;
  }

  .scene-card p {
    margin: 0 0 18px;
    color: var(--color-text-soft);
    font-size: 15px;
    line-height: 1.85;
  }

  .scene-card a {
    font-weight: 600;
    font-size: 14px;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .scene-card a:hover {
    gap: 9px;
  }

  /* Process strip */
  .process-area {
    padding: var(--space-section) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
  }

  .steps-wrap {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
  }

  .steps-wrap::before {
    content: "";
    position: absolute;
    top: 25px;
    left: 10%;
    right: 10%;
    height: 1px;
    border-top: 1px dashed var(--color-border);
  }

  .step-item {
    position: relative;
    z-index: 1;
    background: var(--color-surface);
    padding-right: 12px;
  }

  .step-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-weight: 800;
    font-size: 15px;
    margin-bottom: 14px;
    border: 5px solid #fff;
    box-shadow: 0 0 0 1px var(--color-border);
  }

  .step-item h3 {
    margin: 0 0 8px;
    color: var(--color-primary-deep);
    font-size: 17px;
    line-height: 1.5;
  }

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

  /* FAQ */
  .faq-area {
    background: var(--color-bg);
    padding-block: var(--space-section);
  }

  .faq-layout {
    display: grid;
    grid-template-columns: 360px minmax(0, 1fr);
    align-items: start;
    gap: 50px;
  }

  .faq-intro {
    position: sticky;
    top: 104px;
  }

  .faq-intro h2 {
    margin: 10px 0 14px;
    font-size: clamp(24px, 3vw, 34px);
    color: var(--color-primary-deep);
    line-height: 1.4;
  }

  .faq-intro p {
    margin: 0 0 24px;
    color: var(--color-text-soft);
    line-height: 1.9;
  }

  .faq-list {
    display: grid;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 6px 26px;
    box-shadow: var(--shadow-card);
  }

  .faq-item {
    border-bottom: 1px solid var(--color-border);
    scroll-margin-top: 110px;
  }

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

  .faq-q {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 0;
    background: transparent;
    text-align: left;
    font-weight: 600;
    color: var(--color-text);
    font-size: 16px;
    line-height: 1.6;
    transition: color 0.2s;
  }

  .faq-q .faq-icon {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    color: var(--color-primary);
    transition: transform 0.3s, background 0.2s, border-color 0.2s, color 0.2s;
  }

  .faq-q .faq-icon svg {
    width: 14px;
    height: 14px;
  }

  .faq-item.open .faq-q {
    color: var(--color-primary);
  }

  .faq-item.open .faq-icon {
    transform: rotate(180deg);
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
  }

  .faq-a {
    display: none;
    padding-bottom: 22px;
    padding-right: 40px;
    color: var(--color-text-soft);
    font-size: 15px;
    line-height: 1.9;
  }

  .faq-item.open .faq-a {
    display: block;
    animation: fadeUp 0.3s ease both;
  }

  @keyframes fadeUp {
    from {
      opacity: 0;
      transform: translateY(-4px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Contact */
  .contact-area {
    padding-block: var(--space-section);
    background: var(--color-primary-soft);
  }

  .contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 520px);
    gap: 50px;
    align-items: start;
  }

  .contact-copy h2 {
    margin: 10px 0 16px;
    font-size: clamp(24px, 3vw, 34px);
    color: var(--color-primary-deep);
    line-height: 1.4;
  }

  .contact-copy .contact-desc {
    margin: 0 0 26px;
    color: var(--color-text);
    font-size: 17px;
    line-height: 1.9;
    max-width: 480px;
  }

  .contact-meta {
    display: grid;
    gap: 16px;
    margin-bottom: 24px;
  }

  .contact-meta-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
  }

  .contact-meta-item svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    margin-top: 4px;
    flex-shrink: 0;
  }

  .contact-meta-item strong {
    display: block;
    font-size: 15px;
    color: var(--color-text);
  }

  .contact-meta-item span,
  .contact-meta-item a {
    font-size: 14px;
    color: var(--color-text-soft);
  }

  .contact-card {
    background: var(--color-surface);
    border-radius: 22px;
    padding: clamp(24px, 3vw, 36px);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
  }

  .contact-card h3 {
    margin: 0 0 24px;
    font-size: 22px;
    color: var(--color-primary-deep);
  }

  .form-group {
    margin-bottom: 18px;
  }

  .form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
  }

  .form-group input,
  .form-group textarea {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: var(--color-bg);
    padding: 0 14px;
    font-size: 15px;
    color: var(--color-text);
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    outline: none;
  }

  .form-group input {
    height: 46px;
  }

  .form-group textarea {
    min-height: 108px;
    padding-top: 13px;
    resize: vertical;
    line-height: 1.7;
  }

  .form-group input::placeholder,
  .form-group textarea::placeholder {
    color: #9BB0C1;
  }

  .form-group input:focus,
  .form-group textarea:focus {
    border-color: var(--color-primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(19, 70, 111, 0.1);
  }

  .form-note {
    margin-top: 12px;
    font-size: 13px;
    color: var(--color-text-soft);
  }

  /* Footer */
  .site-footer {
    background: var(--color-primary-deep);
    color: rgba(255, 255, 255, 0.82);
    padding-top: 64px;
  }

  .footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 42px;
  }

  .footer-brand h3 {
    margin: 0 0 10px;
    font-size: 24px;
    color: #fff;
    display: flex;
    align-items: baseline;
    gap: 5px;
    font-weight: 800;
  }

  .footer-logo-text {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.04em;
  }

  .footer-brand p {
    margin: 0 0 20px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.85;
    font-size: 14px;
    max-width: 280px;
  }

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

  .social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.85);
    transition: background 0.2s, color 0.2s, border-color 0.2s;
  }

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

  .footer-col h4 {
    margin: 0 0 16px;
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.05em;
  }

  .footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
    font-size: 14px;
  }

  .footer-col a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.2s;
  }

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

  .footer-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.12);
  }

  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 22px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.68);
  }

  .footer-bottom a {
    color: rgba(255, 255, 255, 0.8);
  }

  .footer-bottom a:hover {
    color: #fff;
    text-decoration: underline;
  }

  .footer-bottom p {
    margin: 0;
  }

  .back-top {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 38px;
    padding: 0 14px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    color: #fff;
    font-size: 13px;
    transition: background 0.2s, border-color 0.2s;
  }

  .back-top:hover {
    background: var(--color-primary);
  }

  /* Responsive */
  @media (max-width: 1180px) {
    .header-nav a {
      padding: 8px 9px;
      font-size: 14px;
    }
    .search-trigger {
      width: 170px;
    }
    .banner-layout {
      grid-template-columns: minmax(0, 1fr) 360px;
    }
    .footer-top {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 1023px) {
    .header-nav {
      display: none;
    }
    .menu-toggle {
      display: inline-flex;
    }
    .search-trigger {
      width: 42px;
      justify-content: center;
    }
    .search-trigger .trigger-text,
    .search-trigger kbd {
      display: none;
    }
    .header-tools .btn-header {
      display: none;
    }
    .banner-layout {
      grid-template-columns: 1fr;
    }
    .banner-visual {
      margin-top: 6px;
    }
    .banner-float-card {
      left: 10px;
    }
    .guide-layout {
      grid-template-columns: 1fr;
    }
    .sticky-side {
      position: static;
      grid-template-columns: 1fr 1fr;
    }
    .scene-grid {
      grid-template-columns: 1fr 1fr;
    }
    .steps-wrap {
      grid-template-columns: repeat(2, 1fr);
      gap: 28px 24px;
    }
    .steps-wrap::before {
      display: none;
    }
    .faq-layout {
      grid-template-columns: 1fr;
    }
    .faq-intro {
      position: static;
    }
    .contact-grid {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 767px) {
    .header-inner {
      height: 60px;
    }
    .brand-en {
      font-size: 22px;
    }
    .brand-cn {
      font-size: 13px;
    }
    .search-panel {
      left: 12px;
      right: 12px;
      max-width: none;
    }
    .entry-item {
      grid-template-columns: 1fr;
      padding: 20px;
    }
    .entry-idx {
      grid-row: auto;
    }
    .verify-grid {
      grid-template-columns: 1fr;
    }
    .verify-panel {
      border-radius: 18px;
    }
    .scene-grid {
      grid-template-columns: 1fr;
    }
    .steps-wrap {
      grid-template-columns: 1fr;
    }
    .footer-top {
      grid-template-columns: 1fr;
      gap: 30px;
    }
    .footer-bottom {
      flex-direction: column;
      align-items: flex-start;
    }
    .banner-actions .btn {
      width: 100%;
    }
    .contact-card {
      padding: 22px;
    }
    .banner-copy h1 {
      font-size: 34px;
    }
    .banner-float-card {
      max-width: 210px;
      bottom: 14px;
    }
    .faq-q {
      font-size: 15px;
      padding: 18px 0;
    }
  }

  @media (max-width: 480px) {
    .search-trigger {
      display: none;
    }
    .header-tools .btn-sm {
      display: none;
    }
    .banner-float-card {
      left: 4px;
      bottom: 8px;
      padding: 10px 12px;
    }
    .banner-float-text strong {
      font-size: 13px;
    }
    .banner-float-text span {
      font-size: 11px;
    }
    .entry-item {
      border-radius: 15px;
    }
    .side-card {
      padding: 18px;
    }
  }

/* roulang page: category2 */
:root{
  --color-primary:#13466F;
  --color-primary-deep:#0D3150;
  --color-primary-soft:#E4EEF6;
  --color-bg:#F7FAFC;
  --color-surface:#FFFFFF;
  --color-text:#203A4F;
  --color-text-soft:#5C7488;
  --color-border:#DCE6EF;
  --color-accent:#8F6A42;
  --color-success:#2F7164;
  --color-danger:#B23A3A;
  --radius-lg:16px;
  --radius-md:10px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(19,70,111,.05),0 8px 24px rgba(19,70,111,.05);
  --shadow-hover:0 16px 32px rgba(19,70,111,.08);
  --container:1240px;
  --header-height:72px;
  --section-space:clamp(64px,8vw,104px);
  --font-sans:"Inter","PingFang SC","Microsoft YaHei","Noto Sans SC","Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-height) + 16px)}
body{
  margin:0;
  background:var(--color-bg);
  color:var(--color-text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:var(--color-primary);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease}
button{font-family:inherit;border:0;cursor:pointer}
input,textarea{font-family:inherit;font-size:16px}
h1,h2,h3,h4{
  line-height:1.35;
  margin:0;
  color:var(--color-text);
  font-weight:700;
}
p{margin:0 0 1em}
.container{max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:32px;padding-right:32px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--radius-md);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn svg{flex-shrink:0}
.btn-primary{background:var(--color-primary);color:#fff}
.btn-primary:hover{background:var(--color-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(19,70,111,.18)}
.btn-primary:active{transform:translateY(0)}
.btn-light{
  background:#fff;
  color:var(--color-primary);
  border-color:var(--color-border);
}
.btn-light:hover{border-color:var(--color-primary);background:var(--color-primary-soft)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(19,70,111,.22);
  outline-offset:2px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--color-primary);
  font-weight:600;
  font-size:14px;
}
.text-link svg{transition:transform .2s ease}
.text-link:hover svg{transform:translateX(4px)}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  font-size:13px;
  font-weight:600;
  background:var(--color-primary-soft);
  color:var(--color-primary);
  white-space:nowrap;
}
.chip-accent{background:rgba(143,106,66,.12);color:var(--color-accent)}
.chip-outline{background:transparent;border:1px solid rgba(255,255,255,.45);color:rgba(255,255,255,.85)}
.card-label{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  background:var(--color-primary-soft);
  color:var(--color-primary);
}
.card-label.brown{background:rgba(143,106,66,.12);color:var(--color-accent)}
/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  height:var(--header-height);
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--color-border);
  backdrop-filter:blur(8px);
}
.header-inner{
  height:var(--header-height);
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:baseline;
  line-height:1;
  white-space:nowrap;
  flex-shrink:0;
}
.brand-mark{
  font-size:26px;
  font-weight:800;
  color:var(--color-primary-deep);
  letter-spacing:-.01em;
}
.brand-text{
  margin-left:6px;
  font-size:16px;
  font-weight:700;
  color:var(--color-primary);
  white-space:nowrap;
}
.header-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
}
.header-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 13px;
  border-radius:var(--radius-md);
  font-size:15px;
  font-weight:600;
  color:var(--color-text-soft);
}
.header-nav a:hover{color:var(--color-primary);background:var(--color-primary-soft)}
.header-nav a.active{
  color:var(--color-primary);
  background:var(--color-primary-soft);
  font-weight:700;
}
.header-nav a.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:var(--radius-pill);
  background:var(--color-primary);
}
.header-tools{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.search-shell{position:relative}
.search-btn{
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap:8px;
  height:40px;
  width:222px;
  padding:0 6px 0 12px;
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:10px;
  color:var(--color-text-soft);
  font-size:14px;
  box-shadow:0 1px 2px rgba(19,70,111,.02);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-btn:hover{border-color:#AFC7DC;box-shadow:0 4px 16px rgba(19,70,111,.06);color:var(--color-text)}
.search-btn svg{flex-shrink:0;color:var(--color-text-soft)}
.search-btn kbd{
  margin-left:auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:24px;
  min-width:30px;
  padding:0 7px;
  border-radius:7px;
  background:#EFF4F8;
  border:1px solid var(--color-border);
  font-family:ui-monospace,Menlo,Consolas,Monaco,monospace;
  font-size:11px;
  color:var(--color-text-soft);
}
.search-panel{
  display:none;
  position:absolute;
  right:0;
  top:calc(100% + 12px);
  width:min(340px,calc(100vw - 40px));
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:14px;
  box-shadow:0 16px 36px rgba(13,49,80,.1);
  padding:16px;
}
body.search-open .search-panel{display:block}
.search-panel-title{
  display:flex;
  justify-content:space-between;
  align-items:center;
  color:var(--color-text-soft);
  font-size:13px;
  font-weight:600;
  margin-bottom:12px;
}
.hot-search{display:flex;flex-wrap:wrap;gap:8px}
.hot-search a{
  display:inline-flex;
  align-items:center;
  min-height:30px;
  padding:0 12px;
  background:var(--color-bg);
  border:1px solid var(--color-border);
  border-radius:999px;
  font-size:13px;
  color:var(--color-text);
}
.hot-search a:hover{border-color:var(--color-primary);color:var(--color-primary);background:var(--color-primary-soft)}
.icon-btn{
  display:flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:10px;
  background:#fff;
  border:1px solid var(--color-border);
  color:var(--color-text-soft);
}
.icon-btn:hover{color:var(--color-primary);border-color:var(--color-primary);background:var(--color-primary-soft)}
.header-cta{height:40px;padding:0 18px;font-size:14px}
/* Mobile drawer */
.burger{
  display:none;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:10px;
  background:#fff;
  border:1px solid var(--color-border);
  color:var(--color-primary);
}
.drawer-backdrop{
  position:fixed;
  inset:0;
  z-index:150;
  background:rgba(13,49,80,.38);
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease;
}
body.drawer-open .drawer-backdrop{opacity:1;pointer-events:auto}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  z-index:160;
  width:min(340px,86vw);
  background:#fff;
  padding:24px;
  transform:translateX(105%);
  transition:transform .3s ease;
  overflow-y:auto;
  box-shadow:-18px 0 40px rgba(13,49,80,.16);
}
body.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-brand{font-size:20px;font-weight:800;color:var(--color-primary-deep);white-space:nowrap}
.drawer-close{
  display:flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:10px;
  background:var(--color-bg);
  border:1px solid var(--color-border);
  color:var(--color-text);
}
.mobile-nav a{
  display:block;
  padding:12px 0;
  border-bottom:1px solid var(--color-border);
  color:var(--color-text);
  font-size:17px;
  font-weight:600;
}
.mobile-nav a.active{color:var(--color-primary)}
.drawer-cta{margin-top:28px}
.drawer-note{
  margin-top:28px;
  padding:14px;
  border:1px dashed var(--color-border);
  border-radius:12px;
  background:var(--color-bg);
  color:var(--color-text-soft);
  font-size:13px;
}
/* ============ Page Banner ============ */
.page-banner{
  position:relative;
  background:var(--color-primary-deep) url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  padding:56px 0 64px;
  color:#fff;
  overflow:hidden;
}
.page-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(13,49,80,.88);
}
.page-banner::after{
  content:"";
  position:absolute;
  width:460px;
  height:460px;
  right:-160px;
  top:-200px;
  border:1px solid rgba(255,255,255,.1);
  border-radius:50%;
}
.page-banner .container{position:relative;z-index:2}
.banner-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:36px;
}
.banner-kicker{
  display:flex;
  align-items:center;
  gap:10px;
  margin:0 0 14px;
  color:rgba(255,255,255,.7);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  text-transform:uppercase;
}
.banner-kicker::before{
  content:"";
  width:30px;
  height:2px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.45);
}
.page-banner h1{
  font-size:clamp(32px,4.4vw,44px);
  color:#fff;
  font-weight:800;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.banner-sub{
  max-width:620px;
  margin:16px 0 0;
  color:rgba(255,255,255,.82);
  font-size:16px;
}
.banner-chips{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:16px;
}
.date-card{
  min-width:210px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  border-radius:16px;
  padding:18px 20px;
  color:#fff;
  backdrop-filter:blur(6px);
}
.date-card strong{
  display:block;
  font-size:15px;
  color:#fff;
  margin-bottom:4px;
}
.date-card span{
  display:block;
  font-size:13px;
  color:rgba(255,255,255,.75);
}
.date-card .status{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:12px;
  padding:4px 10px;
  background:rgba(255,255,255,.14);
  border-radius:999px;
  font-size:12px;
  font-weight:700;
}
.status-dot{width:6px;height:6px;border-radius:50%;background:#7ED4B4;display:inline-block}
/* ============ Dynamic Section ============ */
.section{
  padding-top:var(--section-space);
  padding-bottom:var(--section-space);
}
.section-head{
  margin-bottom:36px;
}
.section-kicker{
  display:inline-block;
  margin-bottom:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--color-accent);
  text-transform:uppercase;
}
.section-title{
  font-size:clamp(24px,3vw,34px);
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:10px;
}
.section-desc{
  max-width:620px;
  color:var(--color-text-soft);
  margin:0;
}
.dynamic-layout{
  display:grid;
  grid-template-columns:260px minmax(0,1fr);
  gap:40px;
  align-items:start;
}
.toc-card{
  position:sticky;
  top:calc(var(--header-height) + 24px);
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:16px;
  padding:20px;
  box-shadow:var(--shadow-card);
}
.toc-card-title{
  font-size:14px;
  font-weight:800;
  color:var(--color-primary-deep);
  padding-bottom:14px;
  border-bottom:1px solid var(--color-border);
  margin-bottom:10px;
}
.toc-nav{display:flex;flex-direction:column}
.toc-nav a{
  padding:10px 10px;
  border-radius:8px;
  color:var(--color-text-soft);
  font-size:14px;
  font-weight:600;
  border-left:3px solid transparent;
}
.toc-nav a:hover{background:var(--color-primary-soft);color:var(--color-primary)}
.toc-tip{
  margin-top:18px;
  padding:12px;
  background:var(--color-bg);
  border-radius:10px;
  color:var(--color-text-soft);
  font-size:13px;
  line-height:1.7;
}
.toc-tip strong{color:var(--color-text)}
/* Notice */
.notice-latest{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:18px;
  align-items:center;
  padding:24px;
  background:#FFFDF8;
  border:1px solid #EFE2D0;
  border-left:4px solid var(--color-accent);
  border-radius:16px;
  margin-bottom:34px;
  box-shadow:var(--shadow-card);
}
.notice-icon{
  width:48px;
  height:48px;
  border-radius:14px;
  background:rgba(143,106,66,.12);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--color-accent);
  flex-shrink:0;
}
.notice-content label{
  display:block;
  margin-bottom:4px;
  color:var(--color-accent);
  font-size:12px;
  font-weight:700;
}
.notice-content h2{font-size:20px;margin-bottom:6px;font-weight:800}
.notice-content p{margin:0;color:var(--color-text-soft);font-size:14px;line-height:1.8}
/* Timeline */
.timeline-area .group-year{
  margin-bottom:32px;
  scroll-margin-top:calc(var(--header-height) + 24px);
}
.year-header{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
}
.year-badge{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  background:var(--color-primary);
  color:#fff;
  border-radius:999px;
  font-size:14px;
  font-weight:800;
  letter-spacing:.02em;
}
.year-line{flex:1;height:1px;background:var(--color-border)}
.timeline-list{
  position:relative;
  padding-left:0;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.update-item{
  position:relative;
  display:grid;
  grid-template-columns:84px minmax(0,1fr);
  gap:18px;
  align-items:stretch;
}
.update-date{
  position:relative;
  border-radius:14px;
  background:var(--color-primary-soft);
  border:1px solid #C9DAEA;
  padding:12px 8px;
  text-align:center;
  align-self:flex-start;
  min-width:0;
}
.update-date .d-month{
  display:block;
  font-size:12px;
  font-weight:800;
  color:var(--color-primary);
  line-height:1.2;
}
.update-date .d-day{
  display:block;
  font-size:22px;
  font-weight:800;
  color:var(--color-primary-deep);
  line-height:1.25;
}
.update-date::after{
  content:"";
  position:absolute;
  right:-9px;
  top:26px;
  width:12px;
  height:12px;
  background:var(--color-surface);
  border:3px solid var(--color-primary);
  border-radius:50%;
}
.update-card{
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:16px;
  padding:22px 24px;
  box-shadow:var(--shadow-card);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.update-card:hover{border-color:#B9CCDC;box-shadow:var(--shadow-hover)}
.update-meta{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  margin-bottom:10px;
}
.update-meta .u-tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  background:var(--color-primary-soft);
  color:var(--color-primary);
  font-size:12px;
  font-weight:700;
}
.update-meta .u-tag.accent{background:rgba(143,106,66,.13);color:var(--color-accent)}
.update-meta .u-time{color:var(--color-text-soft);font-size:13px}
.update-card h3{font-size:19px;font-weight:800;margin-bottom:8px;line-height:1.45}
.update-card p{margin:0 0 12px;color:var(--color-text-soft);font-size:15px;line-height:1.85}
/* ============ Feature Cards ============ */
.section-bg{background:var(--color-surface)}
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.feature-card{
  display:flex;
  flex-direction:column;
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.feature-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
  border-color:#C4D7E6;
}
.feature-card .cover{
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--color-primary-soft);
}
.feature-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.feature-card:hover .cover img{transform:scale(1.04)}
.feature-body{
  flex:1;
  display:flex;
  flex-direction:column;
  padding:22px;
}
.feature-body .label-row{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:12px;
}
.feature-body h3{font-size:20px;font-weight:800;line-height:1.4;margin-bottom:8px}
.feature-body p{
  flex:1;
  color:var(--color-text-soft);
  font-size:14.5px;
  line-height:1.85;
  margin-bottom:18px;
}
.feature-body .text-link{margin-top:auto}
/* ============ Steps Section ============ */
.steps-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
  counter-reset:step;
}
.step-item{
  position:relative;
  padding:28px 24px 24px;
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:16px;
  min-height:220px;
  transition:box-shadow .25s ease;
}
.step-item:hover{box-shadow:var(--shadow-card)}
.step-no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:50%;
  background:var(--color-primary-deep);
  color:#fff;
  font-size:16px;
  font-weight:800;
  margin-bottom:18px;
}
.step-line{
  position:absolute;
  top:49px;
  left:calc(100% - 14px);
  width:20px;
  border-top:1px dashed #AFC4D8;
  z-index:1;
}
.step-item:last-child .step-line{display:none}
.step-item h3{font-size:18px;font-weight:800;margin-bottom:8px}
.step-item p{margin:0;color:var(--color-text-soft);font-size:14px;line-height:1.8}
/* ============ Summary Metrics ============ */
.summary-band{
  border-top:1px solid var(--color-border);
  border-bottom:1px solid var(--color-border);
  background:var(--color-primary-soft);
  padding:40px 0;
}
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.metric-item{
  padding:8px 28px;
  border-left:1px solid #C6D7E7;
  min-height:80px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.metric-item:first-child{border-left:0;padding-left:0}
.metric-icon{
  width:30px;
  height:30px;
  border-radius:9px;
  background:rgba(143,106,66,.14);
  color:var(--color-accent);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:10px;
}
.metric-item strong{
  font-size:18px;
  color:var(--color-primary-deep);
  font-weight:800;
}
.metric-item span{
  font-size:13.5px;
  color:var(--color-text-soft);
  line-height:1.6;
}
/* ============ CTA ============ */
.cta-panel{
  background:var(--color-primary-deep);
  border-radius:20px;
  padding:48px 48px 40px;
  position:relative;
  overflow:hidden;
}
.cta-panel::after{
  content:"";
  position:absolute;
  width:240px;
  height:240px;
  right:-80px;
  bottom:-120px;
  border:1px solid rgba(255,255,255,.1);
  border-radius:50%;
}
.cta-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(280px,0.6fr);
  gap:40px;
  align-items:center;
}
.cta-inner h2{color:#fff;font-size:26px;font-weight:800;margin-bottom:8px}
.cta-inner p{color:rgba(255,255,255,.72);margin:0;font-size:15px}
.feed-form{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:16px;
  padding:20px;
}
.feed-form label{
  display:block;
  color:#fff;
  font-size:14px;
  font-weight:700;
  margin-bottom:8px;
}
.feed-form input{
  width:100%;
  height:44px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.25);
  background:rgba(255,255,255,.12);
  color:#fff;
  padding:0 14px;
  margin-bottom:12px;
}
.feed-form input::placeholder{color:rgba(255,255,255,.55)}
.feed-form .btn-primary{background:#fff;color:var(--color-primary-deep);width:100%}
.feed-form .btn-primary:hover{background:var(--color-primary-soft);color:var(--color-primary-deep)}
.form-tip{
  color:rgba(255,255,255,.6);
  font-size:12px;
  line-height:1.6;
}
/* ============ Footer ============ */
.site-footer{
  background:var(--color-primary-deep);
  color:rgba(255,255,255,.75);
  padding-top:60px;
  margin-top:0;
}
.footer-top{
  display:grid;
  grid-template-columns:2.2fr 1fr 1fr 1.3fr;
  gap:36px;
  padding-bottom:32px;
}
.footer-brand h3{
  color:#fff;
  font-size:28px;
  font-weight:800;
  display:flex;
  align-items:baseline;
  gap:6px;
  margin-bottom:10px;
}
.footer-brand h3 .brand-text{color:#fff;font-size:17px;font-weight:700}
.footer-brand p{
  color:rgba(255,255,255,.6);
  font-size:14px;
  line-height:1.9;
  max-width:280px;
}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-btn{
  display:flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.72);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.social-btn:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.3)}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:800;
  margin-bottom:16px;
}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:9px}
.footer-col a,.footer-col li{color:rgba(255,255,255,.6);font-size:14px;transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-divider{height:1px;background:rgba(255,255,255,.12);border:0;margin:0}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:18px 0;
  color:rgba(255,255,255,.45);
  font-size:13px;
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}
.back-top{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:34px;
  padding:0 12px;
  border-radius:8px;
  background:rgba(255,255,255,.06);
  color:rgba(255,255,255,.7);
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.back-top:hover{background:rgba(255,255,255,.15);color:#fff}
/* ============ Responsive ============ */
@media (max-width:1199px){
  .search-btn{width:180px}
  .header-cta{display:none}
}
@media (max-width:1023px){
  :root{--header-height:60px}
  .header-nav{display:none}
  .search-btn{
    width:44px;
    padding:0;
    justify-content:center;
    border-color:transparent;
    background:transparent;
  }
  .search-btn .search-btn-text,.search-btn kbd{display:none}
  .burger{display:inline-flex}
  .date-card{min-width:0}
  .dynamic-layout{grid-template-columns:1fr;gap:28px}
  .toc-card{position:static}
  .toc-nav{flex-direction:row;flex-wrap:wrap}
  .feature-grid{grid-template-columns:1fr 1fr}
  .steps-grid{grid-template-columns:1fr;gap:18px}
  .step-line{display:none}
  .metric-grid{grid-template-columns:1fr 1fr;gap:0}
  .metric-item{padding:20px 20px;border-left:0;border-bottom:1px solid #C6D7E7}
  .metric-item:nth-child(odd){border-left:0}
  .metric-item:nth-child(even){border-left:1px solid #C6D7E7}
  .metric-item:last-child{border-bottom:0}
  .cta-inner{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px}
  .banner-grid{grid-template-columns:1fr}
  .page-banner{padding:44px 0 46px}
  .page-banner h1{font-size:30px;white-space:normal}
  .banner-sub{font-size:14.5px}
  .notice-latest{grid-template-columns:1fr}
  .notice-icon{display:none}
  .update-item{grid-template-columns:1fr;gap:8px}
  .update-date{
    display:flex;
    align-items:center;
    gap:8px;
    text-align:left;
    padding:6px 12px;
    border-radius:999px;
  }
  .update-date::after{display:none}
  .update-date .d-month{font-size:12px}
  .update-date .d-day{font-size:15px}
  .feature-grid{grid-template-columns:1fr}
  .cta-panel{padding:30px 22px}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;justify-content:center;text-align:center}
}
@media (max-width:520px){
  .header-inner{gap:8px}
  .search-btn{
    width:38px;
    height:38px;
  }
  .brand-mark{font-size:22px}
  .brand-text{font-size:14px}
  .chip{font-size:12px;height:26px}
  .metric-grid{grid-template-columns:1fr 1fr}
  .metric-item{padding:14px 12px}
  .metric-item span{font-size:12.5px}
  .section-title{font-size:24px}
  .date-card{padding:14px}
}

/* roulang page: category3 */
:root {
            --color-primary: #13466F;
            --color-primary-deep: #0D3150;
            --color-primary-soft: #E4EEF6;
            --color-bg: #F7FAFC;
            --color-surface: #FFFFFF;
            --color-text: #203A4F;
            --color-text-soft: #5C7488;
            --color-border: #DCE6EF;
            --color-accent: #8F6A42;
            --color-success: #2F7164;
            --color-danger: #B23A3A;
            --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-full: 999px;
            --shadow-card: 0 1px 2px rgba(19, 70, 111, 0.05), 0 8px 24px rgba(19, 70, 111, 0.05);
            --shadow-hover: 0 16px 32px rgba(19, 70, 111, 0.09);
            --header-height: 72px;
            --content-gap: clamp(64px, 8vw, 104px);
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
        }
        a:hover {
            color: var(--color-primary-deep);
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        ul,
        ol,
        p,
        figure {
            margin: 0;
            padding: 0;
        }
        button,
        input,
        textarea {
            font: inherit;
            color: inherit;
            border: 0;
        }
        button {
            cursor: pointer;
        }
        .container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--header-height);
            background: rgba(255, 255, 255, .95);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 1px 8px rgba(19, 70, 111, .04);
            backdrop-filter: blur(8px);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            width: 100%;
            gap: 24px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: baseline;
            flex-shrink: 0;
            gap: 5px;
            letter-spacing: -0.2px;
            white-space: nowrap;
        }
        .brand-mark {
            font-size: 27px;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
        }
        .brand-cn {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            letter-spacing: .06em;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-left: 22px;
        }
        .header-nav a {
            position: relative;
            font-size: 15.5px;
            font-weight: 500;
            color: var(--color-text-soft);
            padding: 8px 0;
            line-height: 1.2;
        }
        .header-nav a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -3px;
            width: 100%;
            height: 2px;
            background: var(--color-primary);
            border-radius: 999px;
            transform: scaleX(0);
            transform-origin: center;
            transition: transform .22s ease;
        }
        .header-nav a:hover {
            color: var(--color-primary);
        }
        .header-nav a:hover::after,
        .header-nav a.active::after {
            transform: scaleX(1);
        }
        .header-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .header-tools {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }
        .command-search {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            width: 210px;
            height: 40px;
            padding: 0 12px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 10px;
            color: var(--color-text-soft);
            font-size: 14px;
            transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
        }
        .command-search:hover,
        .command-search:focus-within {
            border-color: #b9cede;
            box-shadow: 0 2px 10px rgba(19, 70, 111, .06);
            background: #fff;
        }
        .command-search kbd {
            font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
            font-size: 11px;
            margin-left: auto;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            border-radius: 6px;
            padding: 2px 7px;
            letter-spacing: .3px;
        }
        .icon-button {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            background: var(--color-primary-soft);
            border: 1px solid transparent;
            transition: all .2s ease;
        }
        .icon-button:hover {
            background: #d6e5f0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 7px;
            min-height: 44px;
            padding: 0 19px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-primary-deep);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 18px rgba(13, 49, 80, .18);
        }
        .btn-primary:focus-visible,
        .btn-secondary:focus-visible,
        .btn-ghost:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(19, 70, 111, .28);
            outline-offset: 2px;
        }
        .btn-secondary {
            background: #fff;
            border-color: #cbd8e3;
            color: var(--color-primary);
        }
        .btn-secondary:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary-deep);
        }
        .btn-sm {
            min-height: 36px;
            padding: 0 14px;
            font-size: 14px;
            border-radius: 8px;
        }
        .menu-toggle,
        .search-icon-mobile {
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: transparent;
            border: 1px solid var(--color-border);
            color: var(--color-primary);
        }
        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(13, 49, 80, .35);
            opacity: 0;
            pointer-events: none;
            transition: opacity .3s ease;
            z-index: 150;
        }
        .mobile-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            height: 100dvh;
            width: min(380px, 88vw);
            background: #fff;
            z-index: 160;
            transform: translateX(102%);
            transition: transform .3s ease;
            display: flex;
            flex-direction: column;
            padding: 26px 22px 30px;
            box-shadow: -18px 0 46px rgba(13, 49, 80, .16);
        }
        .mobile-drawer.active {
            transform: translateX(0);
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--color-border);
        }
        .drawer-close {
            height: 40px;
            width: 40px;
            border-radius: 10px;
            background: var(--color-bg);
            color: var(--color-primary);
        }
        .drawer-nav {
            padding-top: 28px;
            display: grid;
            gap: 4px;
        }
        .drawer-nav a {
            display: block;
            padding: 13px 10px;
            color: var(--color-text);
            font-size: 18px;
            font-weight: 500;
            border-radius: 10px;
        }
        .drawer-nav a:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .drawer-nav a.active {
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-weight: 600;
        }
        .drawer-foot {
            margin-top: auto;
            padding-top: 18px;
            color: var(--color-text-soft);
            font-size: 14px;
            border-top: 1px solid var(--color-border);
        }
        .page-banner {
            position: relative;
            padding: calc(46px + 2vw) 0;
            background:
                linear-gradient(100deg, rgba(247, 250, 252, .96) 0%, rgba(247, 250, 252, .88) 55%, rgba(228, 238, 246, .72) 100%),
                url("/assets/images/backpic/back-2.png") right top / auto 100% no-repeat;
            border-bottom: 1px solid var(--color-border);
        }
        .banner-inner {
            display: grid;
            grid-template-columns: 1.35fr .65fr;
            gap: 36px;
            align-items: center;
        }
        .banner-content {
            padding: 20px 0;
        }
        .page-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            background: #fff;
            border: 1px solid var(--color-border);
            padding: 5px 13px;
            border-radius: 999px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-card);
        }
        .page-banner h1 {
            font-size: clamp(34px, 4.6vw, 52px);
            line-height: 1.2;
            font-weight: 700;
            margin: 0 0 16px;
            color: var(--color-primary-deep);
            letter-spacing: -1px;
            white-space: normal;
        }
        .page-banner h1 .mk-bold {
            color: var(--color-primary);
        }
        .page-lead {
            max-width: 640px;
            font-size: 17px;
            color: var(--color-text-soft);
            line-height: 1.85;
            margin: 0 0 24px;
        }
        .topic-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 9px;
            margin-top: 4px;
        }
        .topic-pill {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: #fff;
            border: 1px solid var(--color-border);
            color: var(--color-text);
            border-radius: 999px;
            padding: 6px 13px;
            font-size: 13.5px;
            box-shadow: 0 1px 2px rgba(19, 70, 111, .03);
        }
        .topic-pill i {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
        }
        .banner-card {
            background: #fff;
            border-radius: 18px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            padding: 16px;
        }
        .banner-card img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            border-radius: 14px;
            background: var(--color-primary-soft);
        }
        .banner-card-caption {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            padding: 14px 6px 4px;
        }
        .banner-card-caption strong {
            color: var(--color-text);
            font-size: 15px;
        }
        .banner-card-caption span {
            color: var(--color-text-soft);
            font-size: 13px;
        }
        .crumb-row {
            padding: 16px 0 0;
            font-size: 14px;
            color: var(--color-text-soft);
        }
        .crumb-row a {
            color: var(--color-text-soft);
        }
        .crumb-row a:hover {
            color: var(--color-primary);
        }
        .crumb-row .sep {
            margin: 0 8px;
            color: #a4b7c7;
        }
        .crumb-row .current {
            color: var(--color-primary);
            font-weight: 500;
        }
        main section {
            padding-top: var(--content-gap);
            padding-bottom: var(--content-gap);
        }
        .section-head {
            margin-bottom: 26px;
        }
        .section-head .kicker {
            font-size: 14px;
            letter-spacing: .08em;
            color: var(--color-accent);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-head h2 {
            font-size: clamp(24px, 3.2vw, 34px);
            line-height: 1.3;
            color: var(--color-text);
            margin: 0;
            font-weight: 700;
            letter-spacing: -.4px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--color-text-soft);
            max-width: 660px;
            margin-top: 10px;
            line-height: 1.7;
        }
        .quick-trouble {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            padding-top: 24px;
            padding-bottom: 28px;
            margin-top: 0;
        }
        .quick-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .quick-step {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
        }
        .quick-step:hover {
            transform: translateY(-3px);
            border-color: #c5d6e4;
            box-shadow: var(--shadow-card);
        }
        .step-num {
            color: var(--color-primary);
            font-size: 20px;
            font-weight: 700;
            line-height: 1;
            font-variant-numeric: tabular-nums;
            min-width: 32px;
            background: var(--color-primary-soft);
            height: 32px;
            width: 32px;
            border-radius: 11px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .quick-step h3 {
            font-size: 17px;
            margin: 0 0 5px;
            color: var(--color-text);
        }
        .quick-step p {
            font-size: 14.5px;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.6;
        }
        .faq-wrap {
            background: var(--color-bg);
            padding-top: var(--content-gap);
            padding-bottom: var(--content-gap);
            border-bottom: 1px solid var(--color-border);
        }
        .faq-layout {
            display: grid;
            grid-template-columns: 270px minmax(0, 1fr);
            gap: 44px;
            align-items: start;
        }
        .faq-aside {
            position: sticky;
            top: calc(var(--header-height) + 22px);
            display: grid;
            gap: 22px;
        }
        .aside-panel {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 20px;
        }
        .aside-panel h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 14px;
        }
        .anchor-list {
            list-style: none;
            display: grid;
            gap: 4px;
            padding: 0;
        }
        .anchor-list a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            padding: 10px 12px;
            border-radius: 10px;
            color: var(--color-text-soft);
            border: 1px solid transparent;
        }
        .anchor-list a:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .anchor-list a .anchor-count {
            font-size: 12px;
            color: var(--color-text-soft);
            background: var(--color-bg);
            border-radius: 999px;
            padding: 1px 8px;
            line-height: 1.6;
        }
        .anchor-list a:hover .anchor-count {
            background: #fff;
        }
        .aside-card {
            padding: 0;
            overflow: hidden;
        }
        .aside-card .image-wrap img {
            aspect-ratio: 16 / 10;
            object-fit: cover;
            width: 100%;
        }
        .aside-card-body {
            padding: 18px;
        }
        .aside-card-body h4 {
            color: var(--color-text);
            font-size: 16px;
            margin: 0 0 8px;
        }
        .aside-card-body p {
            font-size: 14px;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .aside-contact {
            display: grid;
            gap: 12px;
        }
        .contact-line {
            display: flex;
            gap: 9px;
            align-items: flex-start;
            font-size: 14px;
            color: var(--color-text-soft);
        }
        .contact-line svg {
            color: var(--color-primary);
            flex-shrink: 0;
            margin-top: 3px;
        }
        .faq-groups {
            min-width: 0;
        }
        .faq-group {
            display: grid;
            gap: 20px;
        }
        .faq-group + .faq-group {
            margin-top: 44px;
            padding-top: 42px;
            border-top: 1px dashed #ccdae6;
        }
        .faq-group-intro {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 4px;
        }
        .faq-group-intro .oraline {
            color: var(--color-primary);
            background: var(--color-primary-soft);
            border-radius: 10px;
            min-width: 42px;
            height: 42px;
            padding: 0 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
        }
        .faq-group-title h3 {
            margin: 0;
            color: var(--color-text);
            font-size: 21px;
            line-height: 1.4;
            letter-spacing: -.2px;
        }
        .faq-group-title p {
            margin: 5px 0 0;
            color: var(--color-text-soft);
            font-size: 14.5px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .faq-item[open] {
            border-color: #c4d6e5;
            box-shadow: var(--shadow-hover);
        }
        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 13px;
            padding: 20px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            transition: color .2s ease;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--color-primary);
        }
        .faq-item[open] summary {
            color: var(--color-primary);
            padding-bottom: 10px;
        }
        .q-badge {
            width: 22px;
            height: 22px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            border-radius: 7px;
            font-size: 13px;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .faq-item[open] .q-badge {
            background: var(--color-primary);
            color: #fff;
        }
        .summary-arrow {
            margin-left: auto;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-soft);
            flex-shrink: 0;
            transition: transform .25s ease, background .25s ease, border-color .25s ease, color .25s ease;
        }
        .faq-item[open] .summary-arrow {
            transform: rotate(180deg);
            color: var(--color-primary);
            border-color: #c3d6e5;
            background: var(--color-primary-soft);
        }
        .faq-item-content {
            padding: 0 22px 22px;
        }
        .faq-item-content p {
            color: var(--color-text);
            line-height: 1.9;
            font-size: 15.5px;
            padding-left: 35px;
            border-left: 2px solid var(--color-primary-soft);
        }
        .faq-item-content p a {
            font-weight: 500;
        }
        .faq-extra-answer {
            padding-top: 14px;
            color: var(--color-text-soft);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-extra-answer strong {
            color: var(--color-primary);
            font-weight: 600;
        }
        .cta-panel {
            background: #fff;
            background-image: radial-gradient(circle at 85% 20%, rgba(19, 70, 111, .05), transparent 34%);
            border-top: 1px solid var(--color-border);
            padding-top: calc(58px + 2vw);
            padding-bottom: calc(58px + 2vw);
        }
        .cta-box {
            background: var(--color-primary-deep);
            border-radius: 22px;
            color: #fff;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 28px;
            align-items: center;
            padding: 38px 42px;
            box-shadow: 0 22px 55px rgba(13, 49, 80, .18);
            background-image: radial-gradient(circle at 15% 0%, rgba(228, 238, 246, .1), transparent 40%);
        }
        .cta-box h2 {
            margin: 0 0 10px;
            font-size: clamp(23px, 3vw, 30px);
            line-height: 1.4;
            color: #fff;
        }
        .cta-box p {
            color: rgba(255, 255, 255, .82);
            max-width: 560px;
            font-size: 16px;
            line-height: 1.8;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn-light {
            background: #fff;
            color: var(--color-primary-deep);
        }
        .btn-light:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary-deep);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, .45);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            color: #fff;
        }
        .site-footer {
            background: #0B2034;
            color: rgba(255, 255, 255, .74);
            padding: 68px 0 0;
            margin-top: 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.35fr .7fr .7fr .8fr;
            gap: 34px;
            padding-bottom: 46px;
        }
        .footer-brand h3 {
            font-size: 23px;
            margin: 0 0 14px;
            color: #fff;
            letter-spacing: -.3px;
        }
        .footer-brand .footer-logo-text {
            font-size: 15px;
            font-weight: 600;
            color: rgba(255, 255, 255, .78);
            margin-left: 6px;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, .6);
            font-size: 14.5px;
            max-width: 330px;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .social-row {
            display: flex;
            gap: 10px;
        }
        .social-btn {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, .22);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .78);
            transition: all .2s ease;
        }
        .social-btn:hover {
            background: #fff;
            color: var(--color-primary-deep);
            border-color: #fff;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 16px;
        }
        .footer-col ul {
            list-style: none;
            display: grid;
            gap: 9px;
        }
        .footer-col a {
            color: rgba(255, 255, 255, .64);
            font-size: 14px;
            transition: color .2s ease, padding-left .2s ease;
        }
        .footer-col a:hover {
            color: #fff;
            padding-left: 3px;
        }
        .footer-col li {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
        }
        .footer-divider {
            height: 1px;
            background: rgba(255, 255, 255, .12);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            padding: 18px 0 22px;
            font-size: 13px;
            color: rgba(255, 255, 255, .48);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .58);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .back-top {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .18);
            color: rgba(255, 255, 255, .8);
            border-radius: 10px;
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all .2s ease;
        }
        .back-top:hover {
            background: #fff;
            color: var(--color-primary-deep);
        }
        @media (max-width: 1120px) {
            .header-nav {
                gap: 17px;
                margin-left: 8px;
            }
            .command-search {
                width: 170px;
            }
            .brand-cn {
                font-size: 15px;
            }
            .quick-grid {
                gap: 12px;
            }
            .cta-box {
                grid-template-columns: 1fr;
                padding: 32px;
            }
        }
        @media (max-width: 1023px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .banner-inner {
                grid-template-columns: 1fr;
            }
            .banner-card {
                max-width: 520px;
            }
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .faq-aside {
                position: static;
                grid-template-columns: repeat(2, minmax(0, 1fr));
                align-items: stretch;
            }
            .quick-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 30px 24px;
            }
            .header-nav,
            .command-search {
                display: none;
            }
            .menu-toggle {
                display: inline-flex;
            }
        }
        @media (max-width: 767px) {
            :root {
                --header-height: 60px;
            }
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .header-tools {
                gap: 9px;
            }
            .brand-mark {
                font-size: 24px;
            }
            .brand-cn {
                font-size: 14.5px;
                letter-spacing: .03em;
            }
            .brand-logo {
                gap: 3px;
            }
            .page-banner {
                padding: 36px 0 42px;
                background-image: linear-gradient(150deg, rgba(247, 250, 252, .98) 0%, rgba(247, 250, 252, .85) 100%);
            }
            .page-banner h1 {
                font-size: 34px;
                letter-spacing: -.6px;
            }
            .page-lead {
                font-size: 16px;
            }
            .crumb-row {
                font-size: 13px;
            }
            .quick-step {
                padding: 18px;
            }
            .faq-aside {
                grid-template-columns: 1fr;
            }
            .faq-item summary {
                padding: 18px 16px;
                font-size: 15.5px;
                gap: 10px;
            }
            .q-badge {
                display: none;
            }
            .summary-arrow {
                width: 25px;
                height: 25px;
            }
            .faq-item-content {
                padding: 2px 16px 18px;
            }
            .faq-item-content p {
                padding-left: 0;
                border-left: 0;
                font-size: 15px;
            }
            .faq-group + .faq-group {
                margin-top: 34px;
                padding-top: 32px;
            }
            .cta-box {
                padding: 26px 20px;
                border-radius: 16px;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
                padding-bottom: 26px;
            }
            .footer-bottom p {
                margin: 0;
            }
            .drawer-nav a {
                font-size: 17px;
            }
        }
        @media (max-width: 480px) {
            .section-head h2 {
                font-size: 25px;
            }
            .topic-pill {
                font-size: 12.5px;
                padding: 5px 11px;
            }
            .banner-card {
                display: none;
            }
            .faq-item summary {
                font-size: 15px;
                line-height: 1.5;
            }
            .footer-brand .footer-logo-text {
                font-size: 13px;
                margin-left: 3px;
            }
        }