/* roulang page: index */
:root {
  --primary: #1B6B93;
  --primary-light: #E9F3F8;
  --primary-dark: #14537A;
  --accent: #E87A5F;
  --accent-light: #FCEAE4;
  --bg: #F6FAFC;
  --card: #FFFFFF;
  --text: #1E2A32;
  --text-secondary: #5A6B7A;
  --text-muted: #8A9AA8;
  --border: #DEE8EE;
  --success: #1FA971;
  --danger: #D64541;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-pill: 999px;
  --radius-input: 8px;
  --shadow-card: 0 4px 16px rgba(27, 107, 147, 0.08);
  --shadow-hover: 0 8px 24px rgba(27, 107, 147, 0.12);
  --shadow-dock: 0 8px 32px rgba(27, 107, 147, 0.12);
  --shadow-pop: 0 12px 32px rgba(27, 107, 147, 0.16);
  --transition: all 0.25s ease;
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
input, select, textarea, button { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; }
:focus-visible { outline: 3px solid rgba(27, 107, 147, 0.4); outline-offset: 2px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.section { padding: 88px 0; }
.section-alt { background: var(--bg); }
.section-white { background: var(--card); }

.section-header { margin-bottom: 40px; }
.section-header .section-tag { display: inline-flex; align-items: center; gap: 8px; font-size: 0.8125rem; color: var(--primary); background: var(--primary-light); padding: 4px 14px; border-radius: var(--radius-pill); margin-bottom: 12px; font-weight: 600; }
.section-header .section-tag::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.section-header h2 { font-size: clamp(1.4rem, 2.4vw, 2rem); font-weight: 600; line-height: 1.4; color: var(--text); margin-bottom: 8px; }
.section-header p { color: var(--text-secondary); font-size: 0.9375rem; max-width: 640px; }
.section-header .header-link { float: right; font-size: 0.875rem; color: var(--primary); font-weight: 600; margin-top: -32px; }
.section-header .header-link i { font-size: 0.75rem; margin-left: 4px; transition: var(--transition); }
.section-header .header-link:hover i { transform: translateX(4px); }

/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius-btn); font-size: 0.9375rem; font-weight: 600; line-height: 1; transition: var(--transition); border: 2px solid transparent; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary-light); color: var(--primary-dark); transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: #F09075; color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232, 122, 95, 0.25); }
.btn-large { padding: 16px 40px; font-size: 1.0625rem; border-radius: 10px; }
.btn-block { width: 100%; }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { background: var(--primary-light); color: var(--primary-dark); }

/* ===== Badges ===== */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 14px; border-radius: var(--radius-pill); font-size: 0.8125rem; font-weight: 600; }
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-accent { background: var(--accent-light); color: var(--accent); }
.badge-success { background: rgba(31, 169, 113, 0.12); color: var(--success); }
.badge-dark { background: rgba(14, 58, 85, 0.85); color: #fff; }

/* ===== Dock Navigation ===== */
.site-header { position: fixed; top: 16px; left: 0; right: 0; z-index: 100; pointer-events: none; }
.dock-nav { pointer-events: auto; max-width: 1100px; margin: 0 auto; background: #fff; border-radius: var(--radius-pill); box-shadow: var(--shadow-dock); display: flex; align-items: center; justify-content: space-between; padding: 8px 16px; transition: var(--transition); }
.dock-nav.scrolled { box-shadow: 0 8px 40px rgba(27, 107, 147, 0.18); }
.dock-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.dock-logo .logo-icon { width: 48px; height: 48px; border-radius: 12px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.25rem; font-weight: 700; flex-shrink: 0; }
.dock-logo .logo-text { font-size: 0.95rem; font-weight: 600; color: var(--text); white-space: nowrap; }
.dock-links { display: flex; align-items: center; gap: 24px; }
.dock-link { position: relative; font-size: 0.9rem; color: var(--text); font-weight: 500; padding: 8px 4px; text-decoration: none; transition: var(--transition); }
.dock-link:hover { color: var(--primary); }
.dock-link.active { color: var(--primary); font-weight: 600; }
.dock-link.active::after { content: ""; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }
.dock-cta { background: var(--primary); color: #fff; padding: 10px 22px; border-radius: var(--radius-pill); font-size: 0.875rem; font-weight: 600; text-decoration: none; transition: var(--transition); }
.dock-cta:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.dock-toggle { display: none; width: 42px; height: 42px; border-radius: 50%; background: var(--primary-light); color: var(--primary); font-size: 1.125rem; align-items: center; justify-content: center; transition: var(--transition); }
.dock-toggle:hover { background: var(--primary); color: #fff; }
.mobile-menu { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100vh; background: #fff; z-index: 99; padding: 100px 32px 32px; flex-direction: column; gap: 24px; }
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 1.1rem; color: var(--text); font-weight: 500; padding: 12px 0; border-bottom: 1px solid var(--border); text-decoration: none; }
.mobile-menu a:hover { color: var(--primary); }
.mobile-menu a.active { color: var(--primary); font-weight: 700; }
.mobile-menu .btn { margin-top: 16px; }

/* ===== Hero ===== */
.hero { position: relative; padding: 140px 0 100px; background: linear-gradient(135deg, #E9F3F8 0%, #F6FAFC 60%); overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat; opacity: 0.4; }
.hero::after { content: ""; position: absolute; inset: 0; background: rgba(255, 255, 255, 0.6); }
.hero .container { position: relative; z-index: 2; }
.hero-inner { display: flex; align-items: center; gap: 48px; }
.hero-content { flex: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px; background: var(--primary-light); color: var(--primary); padding: 4px 14px; border-radius: var(--radius-pill); font-size: 0.8125rem; font-weight: 600; margin-bottom: 20px; }
.hero-badge i { font-size: 0.75rem; }
.hero h1 { font-size: clamp(1.75rem, 3.2vw, 2.75rem); font-weight: 700; line-height: 1.3; color: var(--text); margin-bottom: 16px; }
.hero h1 .highlight { color: var(--primary); }
.hero-sub { font-size: 1.125rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 32px; max-width: 480px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.hero-trust { display: flex; gap: 24px; font-size: 0.8125rem; color: var(--text-muted); flex-wrap: wrap; }
.hero-trust span { display: inline-flex; align-items: center; gap: 6px; }
.hero-trust i { color: var(--success); font-size: 0.75rem; }
.hero-visual { flex: 1; position: relative; }
.hero-visual .main-img { border-radius: 16px; box-shadow: var(--shadow-card); width: 100%; height: 340px; object-fit: cover; }
.hero-float-card { position: absolute; bottom: -20px; left: -24px; background: #fff; border-radius: 16px; box-shadow: var(--shadow-pop); padding: 16px 20px; display: flex; align-items: center; gap: 12px; }
.hero-float-card .float-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--accent-light); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.hero-float-card .float-text { display: flex; flex-direction: column; }
.hero-float-card .float-text span:first-child { font-size: 0.75rem; color: var(--text-muted); }
.hero-float-card .float-text span:last-child { font-size: 1.125rem; font-weight: 700; color: var(--primary); }

/* ===== Promo Tier ===== */
.promo-tier { background: var(--card); }
.promo-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.promo-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-card); box-shadow: var(--shadow-card); padding: 32px 28px; transition: var(--transition); position: relative; }
.promo-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.promo-card.featured { border: 2px solid var(--primary); background: var(--accent-light); box-shadow: var(--shadow-hover); }
.promo-card.featured:hover { transform: translateY(-4px); box-shadow: var(--shadow-pop); }
.promo-card .promo-badge { position: absolute; top: 20px; right: 20px; }
.promo-card h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: 16px; }
.promo-card .promo-desc { font-size: 0.875rem; color: var(--text-secondary); margin-bottom: 20px; }
.promo-card .promo-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.promo-card .promo-list li { display: flex; align-items: center; gap: 10px; font-size: 0.875rem; color: var(--text-secondary); }
.promo-card .promo-list li i { width: 20px; height: 20px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 0.625rem; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.promo-card.featured .promo-list li i { background: var(--accent); }
.promo-price { font-size: 1.75rem; font-weight: 700; color: var(--primary); margin-bottom: 20px; line-height: 1.2; }
.promo-price small { font-size: 0.8125rem; font-weight: 400; color: var(--text-muted); }
.promo-card .btn { width: 100%; }

/* ===== Plan Compare ===== */
.plan-compare { background: var(--bg); }
.compare-wrap { background: #fff; border-radius: 16px; box-shadow: var(--shadow-card); padding: 32px; overflow-x: auto; }
.compare-table { width: 100%; min-width: 680px; border-collapse: collapse; }
.compare-table thead th { background: var(--primary-light); color: var(--text); font-weight: 600; font-size: 1rem; padding: 16px 20px; text-align: center; border-bottom: 2px solid var(--border); }
.compare-table thead th:first-child { text-align: left; border-radius: 8px 0 0 0; }
.compare-table thead th:last-child { border-radius: 0 8px 0 0; }
.compare-table thead th.recommended { background: var(--accent-light); }
.compare-table tbody td { padding: 14px 20px; text-align: center; border-bottom: 1px solid var(--border); font-size: 0.875rem; color: var(--text-secondary); }
.compare-table tbody td:first-child { text-align: left; font-weight: 500; color: var(--text); }
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table .check { width: 22px; height: 22px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 0.6875rem; display: inline-flex; align-items: center; justify-content: center; }
.compare-table .cross { width: 22px; height: 22px; border-radius: 50%; background: #E8EDF0; color: var(--text-muted); font-size: 0.6875rem; display: inline-flex; align-items: center; justify-content: center; }
.compare-table .plan-name { font-size: 1.125rem; font-weight: 600; color: var(--text); }
.compare-table .plan-price { font-size: 1.5rem; font-weight: 700; color: var(--primary); }
.compare-table .plan-price small { font-size: 0.8125rem; font-weight: 400; color: var(--text-muted); }
.compare-table .recommend-tag { display: inline-block; background: var(--accent); color: #fff; font-size: 0.6875rem; font-weight: 600; padding: 2px 10px; border-radius: var(--radius-pill); margin-left: 8px; vertical-align: middle; }
.compare-cta { text-align: center; margin-top: 32px; }
.compare-cta .btn { min-width: 240px; }

/* ===== Limited Entry ===== */
.limited-entry { position: relative; background: linear-gradient(120deg, #0E3A55 0%, #1B6B93 100%); padding: 72px 0; overflow: hidden; }
.limited-entry::before { content: ""; position: absolute; right: -40px; bottom: -40px; width: 320px; height: 320px; background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 1px, transparent 1px); background-size: 20px 20px; border-radius: 50%; }
.limited-entry .container { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.limited-entry-left { display: flex; align-items: center; gap: 32px; }
.limited-entry-left .countdown { display: flex; gap: 16px; }
.countdown-item { display: flex; flex-direction: column; align-items: center; background: rgba(255, 255, 255, 0.08); border-radius: 8px; padding: 12px 16px; min-width: 72px; }
.countdown-item .num { font-size: 2rem; font-weight: 700; color: #FFD1C4; line-height: 1.2; }
.countdown-item .unit { font-size: 0.8125rem; color: rgba(255, 255, 255, 0.7); }
.limited-entry-left .limited-text { color: #fff; }
.limited-entry-left .limited-text h3 { font-size: 1.375rem; font-weight: 600; margin-bottom: 4px; }
.limited-entry-left .limited-text p { font-size: 0.875rem; color: rgba(255, 255, 255, 0.7); }
.limited-entry-right .btn { padding: 14px 40px; border-radius: var(--radius-pill); font-size: 1rem; }

/* ===== Latest News ===== */
.latest-news { background: var(--card); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); transition: var(--transition); display: flex; flex-direction: column; }
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.news-card:hover .news-title { color: var(--primary); }
.news-card .news-thumb { position: relative; width: 100%; height: 180px; object-fit: cover; }
.news-card .news-content { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.news-card .news-badge { align-self: flex-start; margin-bottom: 12px; }
.news-card .news-title { font-size: 1.0625rem; font-weight: 600; color: var(--text); line-height: 1.4; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: var(--transition); text-decoration: none; }
.news-card .news-summary { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .news-meta { margin-top: auto; display: flex; align-items: center; justify-content: space-between; font-size: 0.8125rem; color: var(--text-muted); }
.news-card .news-meta .news-more { color: var(--primary); font-weight: 500; text-decoration: none; }
.news-card .news-meta .news-more i { font-size: 0.6875rem; margin-left: 4px; }
.news-empty { grid-column: 1 / -1; background: var(--primary-light); border-radius: var(--radius-card); padding: 40px; text-align: center; color: var(--text-muted); display: flex; align-items: center; justify-content: center; gap: 12px; }
.news-empty i { font-size: 1.25rem; color: var(--primary); }

/* ===== Contact Form ===== */
.contact-section { background: var(--primary-light); }
.contact-card { background: #fff; border-radius: 16px; box-shadow: var(--shadow-card); overflow: hidden; display: flex; }
.contact-info { padding: 40px; background: var(--primary-light); flex: 1; }
.contact-info h2 { font-size: clamp(1.4rem, 2.4vw, 2rem); font-weight: 600; margin-bottom: 16px; }
.contact-info p { color: var(--text-secondary); font-size: 0.9375rem; margin-bottom: 32px; }
.contact-info .contact-list { display: flex; flex-direction: column; gap: 20px; }
.contact-info .contact-item { display: flex; align-items: center; gap: 14px; }
.contact-info .contact-item .item-icon { width: 42px; height: 42px; border-radius: 10px; background: #fff; color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 0.9375rem; box-shadow: var(--shadow-card); }
.contact-info .contact-item .item-text { font-size: 0.875rem; color: var(--text-secondary); }
.contact-info .contact-item .item-text span { display: block; font-weight: 600; color: var(--text); }
.contact-form-wrap { padding: 40px; flex: 1.4; }
.contact-form-wrap .form-title { font-size: 1.25rem; font-weight: 600; margin-bottom: 24px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 500; color: var(--text); margin-bottom: 6px; }
.form-group label .required { color: var(--danger); }
.form-control { width: 100%; height: 42px; padding: 0 14px; border: 1px solid var(--border); border-radius: var(--radius-input); background: #F8FBFD; font-size: 0.9375rem; color: var(--text); transition: var(--transition); }
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(27, 107, 147, 0.15); background: #fff; }
textarea.form-control { height: auto; padding: 12px 14px; resize: vertical; min-height: 96px; }
.form-error { display: none; color: var(--danger); font-size: 0.75rem; margin-top: 4px; }
.form-submit { width: 100%; height: 46px; }
.form-terms { font-size: 0.8125rem; color: var(--text-muted); margin-top: 12px; text-align: center; }
.form-terms a { color: var(--primary); text-decoration: underline; }

/* ===== FAQ ===== */
.faq { background: var(--card); }
.faq-inner { display: flex; gap: 48px; }
.faq-left { flex: 1; }
.faq-left .faq-tag { display: inline-flex; align-items: center; gap: 8px; font-size: 0.8125rem; color: var(--primary); background: var(--primary-light); padding: 4px 14px; border-radius: var(--radius-pill); margin-bottom: 12px; font-weight: 600; }
.faq-left .faq-tag::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.faq-left h2 { font-size: clamp(1.4rem, 2.4vw, 2rem); font-weight: 600; margin-bottom: 12px; }
.faq-left p { color: var(--text-secondary); font-size: 0.9375rem; margin-bottom: 24px; }
.faq-left .faq-contact { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-weight: 600; font-size: 0.9375rem; text-decoration: none; }
.faq-left .faq-contact:hover { color: var(--primary-dark); }
.faq-right { flex: 1.4; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-card); margin-bottom: 12px; overflow: hidden; transition: var(--transition); }
.faq-item.active { box-shadow: var(--shadow-card); border-color: var(--primary); }
.faq-question { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; cursor: pointer; font-size: 1rem; font-weight: 600; color: var(--text); transition: var(--transition); }
.faq-question:hover { color: var(--primary); }
.faq-icon { width: 24px; height: 24px; border-radius: 6px; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 0.8125rem; transition: var(--transition); flex-shrink: 0; }
.faq-item.active .faq-icon { background: var(--primary); color: #fff; transform: rotate(45deg); }
.faq-answer { padding: 0 20px 0; max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }
.faq-item.active .faq-answer { padding: 0 20px 18px; max-height: 320px; }

/* ===== Footer ===== */
.site-footer { background: #0F3550; color: #B0C4D0; padding: 72px 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; padding-bottom: 48px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; text-decoration: none; }
.footer-logo .logo-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1rem; font-weight: 700; }
.footer-logo .logo-text { color: #fff; font-size: 0.9375rem; font-weight: 600; }
.footer-desc { font-size: 0.875rem; color: #B0C4D0; line-height: 1.7; margin-bottom: 16px; }
.footer-col h4 { color: #fff; font-size: 0.9375rem; font-weight: 600; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { color: #B0C4D0; font-size: 0.875rem; text-decoration: none; transition: var(--transition); }
.footer-col ul li a:hover { color: #fff; }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 0.875rem; color: #B0C4D0; }
.footer-contact li i { color: var(--primary); width: 18px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 20px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 0.8125rem; color: rgba(255, 255, 255, 0.5); }
.footer-bottom .footer-legal { display: flex; gap: 16px; }
.footer-bottom .footer-legal a { color: rgba(255, 255, 255, 0.5); font-size: 0.8125rem; text-decoration: none; transition: var(--transition); }
.footer-bottom .footer-legal a:hover { color: #fff; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .container { padding: 0 24px; }
  .dock-links { gap: 16px; }
  .dock-links .dock-link { font-size: 0.85rem; }
  .hero-inner { flex-direction: column; gap: 40px; }
  .hero-visual { width: 100%; }
  .hero-visual .main-img { height: 300px; }
  .promo-cards { grid-template-columns: repeat(2, 1fr); }
  .promo-card.featured { grid-column: span 1; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-inner { flex-direction: column; gap: 32px; }
  .contact-card { flex-direction: column; }
  .contact-info, .contact-form-wrap { flex: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .dock-links { display: none; }
  .dock-toggle { display: flex; }
  .dock-logo .logo-text { display: none; }
  .dock-logo .logo-text-mobile { display: inline; font-size: 0.9375rem; font-weight: 600; }
  .hero { padding: 120px 0 64px; }
  .hero h1 { font-size: clamp(1.5rem, 4.5vw, 2rem); }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  .hero-trust { gap: 12px; }
  .hero-visual .main-img { height: 240px; }
  .hero-float-card { left: 12px; bottom: -16px; }
  .promo-cards { grid-template-columns: 1fr; }
  .limited-entry .container { flex-direction: column; text-align: center; }
  .limited-entry-left { flex-direction: column; gap: 16px; }
  .countdown { flex-wrap: wrap; justify-content: center; }
  .news-grid { grid-template-columns: 1fr; }
  .compare-wrap { padding: 16px; }
  .section-header .header-link { float: none; margin-top: 8px; display: inline-block; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .dock-nav { width: calc(100% - 32px); }
  .hero-visual .main-img { height: 200px; }
  .countdown-item { min-width: 60px; padding: 10px 12px; }
  .countdown-item .num { font-size: 1.5rem; }
  .btn { padding: 12px 20px; }
  .btn-large { padding: 14px 28px; }
  .contact-info, .contact-form-wrap { padding: 24px; }
}

/* roulang page: category1 */
:root {
  --primary: #1B6B93;
  --primary-light: #E9F3F8;
  --primary-dark: #14537A;
  --accent: #E87A5F;
  --accent-light: #FCEAE4;
  --card-bg: #FFFFFF;
  --page-bg: #F6FAFC;
  --text-main: #1E2A32;
  --text-sub: #5A6B7A;
  --text-muted: #8A9AA8;
  --border: #DEE8EE;
  --success: #1FA971;
  --danger: #D64541;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-tag: 999px;
  --shadow-card: 0 4px 16px rgba(27,107,147,0.08);
  --shadow-hover: 0 8px 24px rgba(27,107,147,0.12);
  --shadow-dock: 0 8px 32px rgba(27,107,147,0.12);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
  --transition: all 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  margin: 0;
  padding: 0;
  background: var(--page-bg);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

.grid-container {
  max-width: 1200px;
  padding-left: 32px;
  padding-right: 32px;
}

@media (max-width: 639.98px) {
  .grid-container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* 顶部Dock导航 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  pointer-events: none;
}

.dock-nav {
  pointer-events: auto;
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 1100px;
  background: #FFFFFF;
  border-radius: 999px;
  box-shadow: var(--shadow-card);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
  z-index: 100;
}

.dock-nav.scrolled {
  box-shadow: 0 8px 40px rgba(27,107,147,0.18);
}

.dock-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  width: 46px;
  height: 46px;
  background: var(--primary);
  color: #FFFFFF;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  font-weight: 700;
  flex-shrink: 0;
}

.logo-text {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
}

.dock-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.dock-link {
  font-size: 0.9rem;
  color: var(--text-main);
  position: relative;
  padding: 6px 2px;
  font-weight: 500;
}

.dock-link:hover {
  color: var(--primary);
}

.dock-link.active {
  color: var(--primary);
  font-weight: 600;
}

.dock-link.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.dock-cta {
  background: var(--primary);
  color: #FFFFFF;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  border: none;
  transition: var(--transition);
}

.dock-cta:hover {
  background: var(--primary-dark);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.dock-toggle {
  display: none;
  background: var(--primary-light);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  color: var(--primary);
  font-size: 1rem;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.dock-toggle:hover {
  background: #D5E7F0;
}

.dock-cta-mobile {
  display: none;
}

/* 页面H1区 */
.page-hero {
  background: linear-gradient(120deg, #E9F3F8 0%, #F6FAFC 100%);
  padding: 120px 0 64px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
}

.page-hero .hero-content {
  position: relative;
  z-index: 1;
}

.breadcrumb-bar {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

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

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

.breadcrumb-bar .sep {
  color: var(--border);
}

.page-hero h1 {
  font-size: clamp(1.75rem, 3.2vw, 2.75rem);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 12px;
  color: var(--text-main);
}

.page-hero .hero-lead {
  font-size: 1rem;
  color: var(--text-sub);
  max-width: 640px;
  line-height: 1.7;
  margin: 0;
}

/* 数据速览 */
.stats-section {
  padding: 56px 0 24px;
}

.stats-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 32px 24px;
  height: 100%;
  transition: var(--transition);
}

.stats-card:hover {
  box-shadow: var(--shadow-hover);
}

.stat-num {
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  font-weight: 700;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-sub);
}

/* 活动卡片区 */
.section-block {
  padding: 56px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.section-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.section-title-wrap h2 {
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  font-weight: 600;
  line-height: 1.4;
  margin: 0;
}

.section-desc {
  color: var(--text-sub);
  font-size: 0.9375rem;
  margin-top: 6px;
}

.section-link-more {
  font-size: 0.875rem;
  color: var(--primary);
  font-weight: 500;
  white-space: nowrap;
}

.section-link-more i {
  transition: transform 0.25s ease;
}

.section-link-more:hover i {
  transform: translateX(4px);
}

.activity-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

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

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

.activity-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.activity-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--accent);
  color: #FFFFFF;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(232,122,95,0.35);
}

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

.activity-title {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 0 0 8px;
  color: var(--text-main);
}

.activity-title a {
  color: inherit;
}

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

.activity-date {
  font-size: 0.8125rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
}

.activity-desc {
  font-size: 0.875rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin: 0 0 16px;
  flex: 1;
}

.activity-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.activity-link i {
  transition: transform 0.25s ease;
}

.activity-link:hover {
  color: var(--primary-dark);
}

.activity-link:hover i {
  transform: translateX(4px);
}

/* 参与流程 */
.steps-section {
  background: var(--primary-light);
  padding: 64px 0;
}

.steps-grid .cell {
  margin-bottom: 0;
}

.step-item {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 32px 28px;
  text-align: center;
  height: 100%;
  transition: var(--transition);
  position: relative;
}

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

.step-num {
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 auto 18px;
  font-variant-numeric: tabular-nums;
}

.step-item h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 0 0 10px;
  color: var(--text-main);
}

.step-item p {
  font-size: 0.875rem;
  color: var(--text-sub);
  margin: 0;
  line-height: 1.7;
}

/* 限时CTA条 */
.cta-strip-section {
  padding: 56px 0;
}

.cta-strip {
  background: linear-gradient(135deg, #0E3A55 0%, #1B6B93 100%);
  border-radius: 16px;
  color: #FFFFFF;
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}

.cta-strip::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
}

.cta-strip::before {
  content: "";
  position: absolute;
  right: 80px;
  bottom: 10px;
  width: 180px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255,209,196,0.08);
  transform: rotate(-12deg);
}

.cta-info {
  position: relative;
  z-index: 1;
}

.cta-tag {
  display: inline-block;
  background: var(--accent);
  color: #FFFFFF;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.cta-strip h2 {
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  font-weight: 600;
  margin: 0 0 8px;
  line-height: 1.4;
}

.cta-strip p {
  font-size: 0.9375rem;
  color: #B0C4D0;
  margin: 0;
  line-height: 1.7;
}

.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 8px;
  padding: 12px 28px;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

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

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

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

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

.btn-accent {
  background: var(--accent);
  color: #FFFFFF;
  border-color: var(--accent);
  border-radius: 999px;
  padding: 14px 40px;
}

.btn-accent:hover {
  background: #F09075;
  border-color: #F09075;
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232,122,95,0.35);
}

.btn-block {
  width: 100%;
}

/* FAQ */
.faq-section {
  padding: 64px 0;
  background: var(--card-bg);
}

.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--page-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.open {
  border-color: var(--primary);
  background: #FFFFFF;
  box-shadow: var(--shadow-card);
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
}

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

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 400;
  transition: var(--transition);
  flex-shrink: 0;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-a {
  padding: 0 20px 18px;
  color: var(--text-sub);
  font-size: 0.9rem;
  line-height: 1.7;
  display: none;
}

/* 咨询表单 */
.contact-section {
  background: var(--primary-light);
  padding: 64px 0;
}

.contact-card {
  background: #FFFFFF;
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.contact-info {
  padding: 40px 36px;
  background: var(--primary);
  color: #FFFFFF;
  height: 100%;
}

.contact-info h2 {
  font-size: clamp(1.4rem, 2.2vw, 1.8rem);
  font-weight: 600;
  margin: 0 0 12px;
  color: #FFFFFF;
}

.contact-info p {
  font-size: 0.9375rem;
  color: #B0C4D0;
  line-height: 1.7;
  margin: 0 0 28px;
}

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

.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: #D5E7F0;
  padding: 10px 0;
}

.contact-list li i {
  width: 20px;
  color: var(--accent);
  font-size: 0.95rem;
  margin-top: 4px;
}

.contact-form-wrap {
  padding: 40px 36px;
}

.contact-form-wrap h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--text-main);
}

.contact-form-wrap .form-tip {
  font-size: 0.875rem;
  color: var(--text-sub);
  margin: 0 0 24px;
}

.form-control {
  width: 100%;
  height: 42px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #F8FBFD;
  padding: 0 14px;
  font-size: 0.9375rem;
  color: var(--text-main);
  transition: var(--transition);
  margin-bottom: 16px;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(27,107,147,0.15);
  background: #FFFFFF;
}

textarea.form-control {
  height: auto;
  padding: 12px 14px;
  resize: vertical;
  min-height: 100px;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A9AA8' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-submit {
  width: 100%;
  height: 46px;
  background: var(--primary);
  color: #FFFFFF;
  border: none;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  transition: var(--transition);
  margin-top: 4px;
}

.form-submit:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.form-privacy {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-align: center;
  margin: 14px 0 0;
}

.form-privacy a {
  color: var(--primary);
}

/* 页脚 */
.site-footer {
  background: #0F3550;
  color: #B0C4D0;
  padding: 64px 0 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
  margin-bottom: 40px;
}

@media (max-width: 1023.98px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 639.98px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-logo .logo-icon {
  background: rgba(255,255,255,0.12);
  color: #FFFFFF;
}

.footer-logo .logo-text {
  color: #FFFFFF;
  font-size: 0.95rem;
  font-weight: 600;
}

.footer-desc {
  font-size: 0.875rem;
  line-height: 1.8;
  margin: 0;
  color: #B0C4D0;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #FFFFFF;
  margin: 0 0 16px;
}

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

.footer-col ul li {
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.footer-col ul a {
  color: #B0C4D0;
}

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.6;
}

.footer-contact li i {
  color: var(--accent);
  width: 18px;
  font-size: 0.9rem;
  margin-top: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.8125rem;
  color: #8FA8B8;
}

.footer-bottom p {
  margin: 0;
}

.footer-legal {
  display: flex;
  gap: 20px;
}

.footer-legal a {
  color: #8FA8B8;
}

.footer-legal a:hover {
  color: #FFFFFF;
}

/* 通用响应式 */
@media (max-width: 639.98px) {
  .dock-toggle {
    display: inline-flex;
  }

  .dock-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: #FFFFFF;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    display: none;
    z-index: 99;
  }

  body.dock-open .dock-links {
    display: flex;
  }

  body.dock-open {
    overflow: hidden;
  }

  .dock-links .dock-link {
    font-size: 1.1rem;
    padding: 8px 0;
  }

  .dock-cta {
    display: none;
  }

  .dock-cta-mobile {
    display: inline-flex;
    margin-top: 12px;
    width: calc(100% - 80px);
    justify-content: center;
    background: var(--primary);
    color: #FFFFFF;
    padding: 14px 0;
    border-radius: 999px;
    font-size: 1rem;
    font-weight: 600;
  }

  .dock-cta-mobile:hover {
    background: var(--primary-dark);
    color: #FFFFFF;
  }

  .page-hero {
    padding: 100px 0 48px;
  }

  .section-block {
    padding: 40px 0;
  }

  .steps-section,
  .faq-section,
  .contact-section {
    padding: 48px 0;
  }

  .cta-strip {
    padding: 32px 24px;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn {
    flex: 1;
  }

  .contact-info,
  .contact-form-wrap {
    padding: 28px 20px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

@media (max-width: 1023.98px) and (min-width: 640px) {
  .cta-strip {
    padding: 32px;
  }
}

/* 焦点可访问性 */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(27,107,147,0.25);
}

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1B6B93;
            --primary-light: #E9F3F8;
            --primary-dark: #14537A;
            --accent: #E87A5F;
            --accent-light: #FCEAE4;
            --card-bg: #FFFFFF;
            --page-bg: #F6FAFC;
            --text-main: #1E2A32;
            --text-secondary: #5A6B7A;
            --text-muted: #8A9AA8;
            --border: #DEE8EE;
            --success: #1FA971;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 4px 16px rgba(27,107,147,0.08);
            --shadow-hover: 0 8px 24px rgba(27,107,147,0.12);
            --shadow-dock: 0 8px 32px rgba(27,107,147,0.12);
            --transition: all 0.25s ease;
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--page-bg);
            color: var(--text-main);
            font-size: 1rem;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            border: 0;
            vertical-align: middle;
        }

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

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

        ul,
        ol {
            list-style-position: inside;
        }

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

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

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 880px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 浮动 Dock 导航 ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 100;
            pointer-events: none;
            display: flex;
            justify-content: center;
        }

        .dock-nav {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            max-width: 1100px;
            width: calc(100% - 32px);
            background: var(--card-bg);
            border-radius: 999px;
            padding: 8px 16px 8px 12px;
            box-shadow: var(--shadow-dock);
            transition: var(--transition);
        }

        .dock-nav.scrolled {
            box-shadow: 0 8px 40px rgba(27,107,147,0.18);
        }

        .dock-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(27,107,147,0.25);
        }

        .logo-text {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-main);
            white-space: nowrap;
        }

        .dock-links {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .dock-link {
            position: relative;
            font-size: 0.9rem;
            color: var(--text-main);
            font-weight: 400;
            padding: 6px 2px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .dock-link:hover,
        .dock-link:focus {
            color: var(--primary);
        }

        .dock-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .dock-link.active::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -2px;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
        }

        .dock-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            background: var(--primary);
            color: #fff;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            transition: var(--transition);
            box-shadow: 0 2px 10px rgba(27,107,147,0.2);
        }

        .dock-cta:hover,
        .dock-cta:focus {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(27,107,147,0.3);
        }

        .dock-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            font-size: 1rem;
            transition: var(--transition);
        }

        .dock-toggle:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== 文章顶部 TDK 区 ===== */
        .article-hero {
            background: var(--primary-light);
            padding: 120px 0 56px;
            margin-top: 0;
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

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

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

        .breadcrumb-sep {
            color: var(--text-muted);
            opacity: 0.6;
        }

        .breadcrumb .current {
            color: var(--text-secondary);
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-hero-content {
            max-width: 780px;
        }

        .category-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .article-title {
            font-size: clamp(1.5rem, 2.6vw, 2.25rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin: 0 0 20px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.8125rem;
            color: var(--text-secondary);
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .meta-item i {
            font-size: 0.75rem;
            color: var(--primary);
            opacity: 0.8;
        }

        .meta-dot {
            color: var(--border);
            font-weight: 600;
        }

        /* ===== 正文阅读区 ===== */
        .article-body-section {
            padding: 56px 0 80px;
        }

        .article-card {
            background: var(--card-bg);
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            padding: clamp(28px, 4vw, 48px);
            margin-bottom: 24px;
            border: 1px solid var(--border);
        }

        .content-body {
            font-size: 1.0625rem;
            line-height: 1.9;
            color: var(--text-main);
        }

        .content-body>p {
            margin-bottom: 24px;
        }

        .content-body h2,
        .content-body h3,
        .content-body h4 {
            font-weight: 600;
            line-height: 1.4;
            margin-top: 32px;
            margin-bottom: 16px;
            color: var(--text-main);
        }

        .content-body h2 {
            font-size: 1.375rem;
        }

        .content-body h3 {
            font-size: 1.25rem;
        }

        .content-body h4 {
            font-size: 1.125rem;
        }

        .content-body img {
            border-radius: 12px;
            max-width: 100%;
            border: 1px solid var(--border);
            display: block;
            margin: 24px auto;
        }

        .content-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 16px 20px;
            border-radius: 8px;
            margin: 24px 0;
            color: var(--text-secondary);
            font-style: normal;
        }

        .content-body blockquote p {
            margin-bottom: 0;
        }

        .content-body ul,
        .content-body ol {
            padding-left: 16px;
            margin-bottom: 24px;
        }

        .content-body ul li,
        .content-body ol li {
            margin-bottom: 12px;
            line-height: 1.8;
        }

        .content-body ul {
            list-style: disc;
        }

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

        .content-body ol {
            list-style: decimal;
        }

        .content-body li {
            padding-left: 6px;
        }

        .content-body a {
            color: var(--primary);
            text-decoration: none;
            border-bottom: 1px solid transparent;
        }

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

        .content-body strong {
            font-weight: 700;
        }

        .content-body em {
            font-style: italic;
        }

        .content-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.875rem;
        }

        .content-body table th {
            background: var(--primary-light);
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
            border: 1px solid var(--border);
        }

        .content-body table td {
            padding: 12px 16px;
            border: 1px solid var(--border);
        }

        .content-body pre {
            background: #0F3550;
            color: #E8F0F5;
            border-radius: 12px;
            padding: 20px;
            overflow-x: auto;
            font-size: 0.875rem;
            line-height: 1.6;
            margin: 24px 0;
        }

        .content-body code {
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
            font-size: 0.875em;
            background: var(--primary-light);
            padding: 2px 6px;
            border-radius: 4px;
        }

        .content-body pre code {
            background: transparent;
            padding: 0;
            color: inherit;
            font-size: inherit;
        }

        .content-body hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 32px 0;
        }

        /* ===== 内容未找到 ===== */
        .not-found {
            text-align: center;
            padding: 80px 20px;
        }

        .not-found i {
            font-size: 2.5rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .not-found p {
            font-size: 1.125rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: var(--transition);
            border: 1px solid transparent;
            cursor: pointer;
            text-align: center;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(27,107,147,0.2);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(27,107,147,0.3);
        }

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

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

        /* ===== 上一篇 / 下一篇 ===== */
        .post-nav {
            border-top: 1px solid var(--border);
            margin-top: 40px;
            padding-top: 28px;
        }

        .post-nav-row {
            display: flex;
            justify-content: space-between;
            gap: 24px;
        }

        .post-nav-link {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
            max-width: calc(50% - 12px);
            padding: 18px 20px;
            border-radius: 12px;
            background: var(--page-bg);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .post-nav-link:hover,
        .post-nav-link:focus {
            background: var(--primary-light);
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .post-nav-link.next {
            text-align: right;
            margin-left: auto;
        }

        .post-nav-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .post-nav-title {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .post-nav-link:hover .post-nav-title {
            color: var(--primary);
        }

        .post-nav-placeholder {
            flex: 1;
            max-width: calc(50% - 12px);
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            margin-top: 56px;
        }

        .related-section h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 24px;
            position: relative;
            padding-left: 16px;
        }

        .related-section h3::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 20px;
            background: var(--primary);
            border-radius: 4px;
        }

        .related-card {
            display: block;
            background: var(--card-bg);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }

        .related-card:hover,
        .related-card:focus {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary);
        }

        .related-thumb {
            aspect-ratio: 16/9;
            background: var(--primary-light);
            overflow: hidden;
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .related-card:hover .related-thumb img {
            transform: scale(1.03);
        }

        .related-content {
            padding: 16px 20px 20px;
        }

        .related-content h4 {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            margin: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            transition: var(--transition);
        }

        .related-card:hover .related-content h4 {
            color: var(--primary);
        }

        /* ===== 底部 CTA ===== */
        .article-cta {
            padding: 0 0 80px;
        }

        .cta-card {
            background: linear-gradient(135deg, #0E3A55 0%, var(--primary) 100%);
            border-radius: 16px;
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: 0 12px 32px rgba(27,107,147,0.16);
        }

        .cta-content h3 {
            font-size: 1.375rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }

        .cta-content p {
            color: rgba(255,255,255,0.85);
            font-size: 0.9375rem;
            line-height: 1.7;
            max-width: 480px;
        }

        .cta-card .btn {
            background: var(--accent);
            color: #fff;
            border: none;
            font-weight: 600;
            padding: 14px 36px;
            border-radius: 999px;
            box-shadow: 0 4px 16px rgba(232,122,95,0.3);
            flex-shrink: 0;
        }

        .cta-card .btn:hover,
        .cta-card .btn:focus {
            background: #F09075;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(232,122,95,0.4);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0F3550;
            color: #B0C4D0;
            padding: 64px 0 0;
            margin-top: 40px;
        }

        .footer-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .footer-col {
            flex: 1;
            min-width: 220px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .footer-logo .logo-text {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            white-space: nowrap;
        }

        .footer-desc {
            font-size: 0.875rem;
            line-height: 1.7;
            color: #B0C4D0;
            max-width: 280px;
            margin: 0;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
            font-size: 0.875rem;
        }

        .footer-col ul li a {
            color: #B0C4D0;
            transition: var(--transition);
        }

        .footer-col ul li a:hover,
        .footer-col ul li a:focus {
            color: #fff;
            padding-left: 4px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
        }

        .footer-contact i {
            width: 16px;
            text-align: center;
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding: 24px 0;
            font-size: 0.8125rem;
            color: #8FA8B5;
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-legal {
            display: flex;
            gap: 24px;
        }

        .footer-legal a {
            color: #8FA8B5;
        }

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

        /* ===== 响应式断点 ===== */
        @media (max-width: 1024px) {
            .dock-nav {
                gap: 16px;
            }

            .dock-links {
                gap: 16px;
            }

            .dock-link {
                font-size: 0.85rem;
            }

            .dock-cta {
                padding: 8px 18px;
                font-size: 0.85rem;
            }

            .article-hero {
                padding-top: 110px;
                padding-bottom: 48px;
            }
        }

        @media (max-width: 768px) {
            .dock-nav {
                border-radius: 999px;
                padding: 8px 12px;
                gap: 8px;
            }

            .dock-links {
                display: none;
                position: fixed;
                top: 76px;
                left: 16px;
                right: 16px;
                background: #fff;
                border-radius: 16px;
                box-shadow: var(--shadow-dock);
                padding: 24px;
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                border: 1px solid var(--border);
            }

            .dock-links.open {
                display: flex;
            }

            .dock-link {
                font-size: 1rem;
                padding: 12px 16px;
                border-radius: 8px;
            }

            .dock-link:hover {
                background: var(--primary-light);
            }

            .dock-link.active {
                background: var(--primary-light);
            }

            .dock-link.active::after {
                display: none;
            }

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

            .logo-text {
                font-size: 0.875rem;
            }

            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 1.0625rem;
            }

            .dock-cta {
                padding: 8px 16px;
                font-size: 0.8125rem;
            }

            .article-hero {
                padding-top: 100px;
                padding-bottom: 40px;
            }

            .article-body-section {
                padding: 40px 0 64px;
            }

            .post-nav-row {
                flex-direction: column;
                gap: 12px;
            }

            .post-nav-link,
            .post-nav-placeholder {
                max-width: 100%;
            }

            .cta-card {
                flex-direction: column;
                text-align: center;
                padding: 36px 28px;
            }

            .cta-content p {
                max-width: 100%;
            }

            .footer-grid {
                gap: 32px;
            }

            .footer-col {
                min-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .dock-nav {
                width: calc(100% - 24px);
                top: 12px;
            }

            .logo-text {
                display: none;
            }

            .dock-logo .logo-icon {
                width: 36px;
                height: 36px;
            }

            .dock-cta {
                padding: 8px 14px;
                font-size: 0.8125rem;
            }

            .article-hero {
                padding-top: 90px;
                padding-bottom: 36px;
            }

            .breadcrumb {
                font-size: 0.75rem;
            }

            .breadcrumb .current {
                max-width: 180px;
            }

            .article-card {
                padding: 24px 20px;
                border-radius: 12px;
            }

            .article-title {
                font-size: 1.375rem;
            }

            .article-meta {
                font-size: 0.75rem;
                gap: 6px;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 焦点可访问性 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(27,107,147,0.4);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== 通用工具 ===== */
        .text-center {
            text-align: center;
        }

        .mt-1 {
            margin-top: 8px;
        }

        .mt-2 {
            margin-top: 16px;
        }

        .mt-3 {
            margin-top: 24px;
        }

        .mb-1 {
            margin-bottom: 8px;
        }

        .mb-2 {
            margin-bottom: 16px;
        }

        .mb-3 {
            margin-bottom: 24px;
        }

/* roulang page: category2 */
/* ===== 设计变量与基础 Reset ===== */
:root {
  --primary: #1B6B93;
  --primary-light: #E9F3F8;
  --primary-dark: #14537A;
  --accent: #E87A5F;
  --accent-light: #FCEAE4;
  --bg: #F6FAFC;
  --text: #1E2A32;
  --text-secondary: #5A6B7A;
  --text-muted: #8A9AA8;
  --border: #DEE8EE;
  --success: #1FA971;
  --white: #FFFFFF;
  --radius-card: 12px;
  --radius-btn: 8px;
  --shadow-card: 0 4px 16px rgba(27,107,147,0.08);
  --shadow-hover: 0 8px 24px rgba(27,107,147,0.12);
  --shadow-dock: 0 8px 32px rgba(27,107,147,0.12);
  --transition: all 0.25s ease;
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  line-height: 1.4;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(27,107,147,0.2);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
}
.btn-lg {
  padding: 15px 38px;
  font-size: 1rem;
  border-radius: 10px;
}
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: #F09075;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(232,122,95,0.25);
}

/* ===== 标签 / 徽章 ===== */
.tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.5;
}
.tag-primary {
  background: var(--primary-light);
  color: var(--primary);
}
.tag-accent {
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 600;
}
.tag-success {
  background: rgba(31,169,113,0.12);
  color: var(--success);
}

/* ===== 浮动 Dock 导航 ===== */
.site-header {
  position: relative;
  z-index: 1000;
}
.dock-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--white);
  border-radius: 999px;
  box-shadow: var(--shadow-dock);
  padding: 8px 16px;
  transition: var(--transition);
  z-index: 100;
}
.dock-nav.scrolled {
  box-shadow: 0 8px 40px rgba(27,107,147,0.18);
}
.dock-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
}
.logo-text {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.dock-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0 auto;
}
.dock-link {
  position: relative;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  padding: 8px 2px;
  transition: var(--transition);
}
.dock-link:hover { color: var(--primary); }
.dock-link.active { color: var(--primary); font-weight: 600; }
.dock-link.active::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}
.dock-cta {
  display: inline-flex;
  align-items: center;
  background: var(--primary);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 999px;
  transition: var(--transition);
}
.dock-cta:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(27,107,147,0.25);
}
.dock-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 6px 10px;
  transition: var(--transition);
}
.dock-toggle:hover { color: var(--primary); }

/* ===== 分类页 Hero 区 ===== */
.cat-hero {
  position: relative;
  background: linear-gradient(135deg, #E9F3F8 0%, #F6FAFC 100%);
  padding: 148px 0 72px;
  overflow: hidden;
}
.cat-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.12;
}
.cat-hero::after {
  content: '';
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(27,107,147,0.06);
  pointer-events: none;
}
.cat-hero-inner {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  z-index: 2;
}
.cat-hero .breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.cat-hero .breadcrumb a { color: var(--text-muted); }
.cat-hero .breadcrumb a:hover { color: var(--primary); }
.breadcrumb-sep { color: var(--border); }
.cat-hero h1 {
  font-size: clamp(1.75rem, 3.2vw, 2.75rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 16px;
}
.cat-hero-desc {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto;
}

/* ===== 主体两栏区域 ===== */
.cat-main {
  padding: 80px 0 88px;
}

/* ===== 资讯时间线 ===== */
.timeline {
  position: relative;
  padding-left: 28px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--border));
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  margin-bottom: 28px;
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -27px;
  top: 24px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--primary);
  box-shadow: 0 0 0 4px rgba(27,107,147,0.12);
  z-index: 2;
}
.timeline-item:nth-child(even)::before {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(232,122,95,0.12);
}
.timeline-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px 26px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.timeline-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(27,107,147,0.25);
}
.timeline-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.timeline-date {
  font-size: 0.8125rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.timeline-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 10px;
  transition: var(--transition);
}
.timeline-card:hover h3 { color: var(--primary); }
.timeline-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 14px;
}
.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
}
.read-more i { transition: transform 0.25s ease; }
.read-more:hover i { transform: translateX(4px); }

/* ===== 侧边栏 ===== */
.sidebar-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 26px 24px;
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
}
.sidebar-card h4 {
  position: relative;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text);
  padding-left: 16px;
  margin-bottom: 20px;
  line-height: 1.5;
}
.sidebar-card h4::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 5px;
  height: 18px;
  border-radius: 4px;
  background: var(--primary);
}
.hot-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.hot-list li:last-child { border-bottom: none; padding-bottom: 0; }
.hot-list li:first-child { padding-top: 0; }
.hot-list a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
  transition: var(--transition);
}
.hot-list a::before {
  content: '›';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
  font-size: 1.1rem;
  line-height: 1.3;
}
.hot-list a:hover { color: var(--primary); transform: translateX(3px); }
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.cloud-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.8125rem;
  font-weight: 500;
  transition: var(--transition);
}
.cloud-tag:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(27,107,147,0.2);
}
.about-card-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}
.about-logo {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.375rem;
  font-weight: 700;
}
.about-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== CTA 区块 ===== */
.cta-section {
  padding: 0 0 88px;
}
.cta-box {
  background: linear-gradient(135deg, #0E3A55 0%, #1B6B93 100%);
  border-radius: 20px;
  padding: 56px 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  pointer-events: none;
}
.cta-box::after {
  content: '';
  position: absolute;
  right: 60px;
  bottom: 20px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(255,255,255,0.03);
  pointer-events: none;
}
.cta-text h2 {
  font-size: clamp(1.3rem, 2.2vw, 1.8rem);
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 12px;
}
.cta-text p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
}
.cta-box .btn { flex-shrink: 0; position: relative; z-index: 2; }

/* ===== 页脚 ===== */
.site-footer {
  background: #0F3550;
  color: #B0C4D0;
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-logo .logo-text {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
}
.footer-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: #B0C4D0;
  margin-bottom: 0;
}
.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 18px;
  line-height: 1.4;
}
.footer-col ul li {
  margin-bottom: 12px;
  font-size: 0.9rem;
}
.footer-col ul li a {
  color: #B0C4D0;
  transition: var(--transition);
}
.footer-col ul li a:hover { color: #fff; }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #B0C4D0;
  font-size: 0.875rem;
}
.footer-contact li i {
  width: 20px;
  color: var(--accent);
  font-size: 0.875rem;
  text-align: center;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8125rem;
  color: #8FAAB8;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-legal {
  display: flex;
  gap: 20px;
}
.footer-legal a {
  color: #8FAAB8;
  font-size: 0.8125rem;
}
.footer-legal a:hover { color: #fff; }

/* ===== 响应式断点 ===== */
@media (max-width: 1024px) {
  .container { padding: 0 24px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .cta-box { padding: 44px 40px; }
}

@media (max-width: 800px) {
  .dock-nav {
    width: calc(100% - 32px);
    top: 12px;
    padding: 8px 14px;
  }
  .dock-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(255,255,255,0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    margin: 0;
    padding: 40px 24px;
    transition: right 0.35s ease;
    z-index: 99;
  }
  .dock-links.open { right: 0; }
  .dock-link { font-size: 1.1rem; padding: 10px; }
  .dock-link.active::after { bottom: 4px; }
  .dock-toggle { display: block; }
  .dock-cta { padding: 8px 18px; font-size: 0.8125rem; }
  .cat-hero { padding: 124px 0 56px; }
  .cat-main { padding: 56px 0 64px; }
  .cta-section { padding: 0 16px 64px; }
  .cta-box {
    flex-direction: column;
    text-align: center;
    padding: 36px 24px;
  }
  .cta-box .btn { width: 100%; max-width: 320px; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .logo-text { display: inline; font-size: 0.875rem; }
  .dock-nav { gap: 8px; }
  .dock-cta { display: none; }
  .cat-hero h1 { font-size: 1.75rem; }
  .cat-hero-desc { font-size: 0.9rem; }
  .timeline { padding-left: 22px; }
  .timeline-card { padding: 20px 18px; }
  .timeline-item::before { left: -23px; width: 10px; height: 10px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; margin-bottom: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-box { padding: 32px 20px; }
  .cta-text h2 { font-size: 1.25rem; }
  .sidebar-card { padding: 22px 18px; }
}

/* ===== Focus 可访问性 ===== */
a:focus-visible,
button:focus-visible,
.dock-toggle:focus-visible {
  outline: 3px solid rgba(27,107,147,0.4);
  outline-offset: 2px;
  border-radius: 4px;
}
.btn:focus-visible {
  box-shadow: 0 0 0 3px rgba(27,107,147,0.25);
}