/* roulang page: index */
:root {
  --primary: #1b3a6b;
  --primary-light: #2a5298;
  --primary-dark: #12294d;
  --accent: #e8a930;
  --accent-light: #f0c05a;
  --accent-dark: #c88d1e;
  --bg-light: #f5f7fa;
  --bg-white: #ffffff;
  --bg-dark: #12294d;
  --text-main: #1a2332;
  --text-body: #3a4a5a;
  --text-weak: #7a8a9a;
  --border: #e3e8ef;
  --border-light: #eef1f5;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(17, 40, 77, 0.06);
  --shadow-md: 0 8px 24px rgba(17, 40, 77, 0.08);
  --shadow-lg: 0 20px 50px rgba(17, 40, 77, 0.12);
  --space-section: 90px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-family); color: var(--text-main); background: var(--bg-white); line-height: 1.75; font-size: 16px; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .25s, background .25s, transform .25s, box-shadow .25s; }
ul, ol { list-style: none; }
input, button, select { font-family: inherit; font-size: inherit; outline: none; }
input:focus, button:focus, a:focus { outline: 2px solid rgba(232, 169, 48, .45); outline-offset: 2px; }
i, em { font-style: normal; }
.grid-container { max-width: 1280px; padding-left: 24px; padding-right: 24px; }

.section { padding: 90px 0; }
.section-head { text-align: center; margin-bottom: 55px; }
.section-head .section-eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .14em; color: var(--accent); text-transform: uppercase; margin-bottom: 12px; }
.section-head h2 { font-size: clamp(28px, 4vw, 38px); font-weight: 700; color: var(--text-main); line-height: 1.3; margin-bottom: 14px; }
.section-head p { color: var(--text-body); font-size: 16px; max-width: 680px; margin: 0 auto; line-height: 1.8; }

.site-header { background: var(--bg-white); box-shadow: 0 1px 0 rgba(0,0,0,.06), 0 4px 16px rgba(17,40,77,.04); position: sticky; top: 0; z-index: 100; }
.header-top { padding: 16px 0; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand-logo { font-size: 26px; font-weight: 800; color: var(--primary); line-height: 1.2; letter-spacing: -0.01em; white-space: nowrap; }
.brand-logo span { color: var(--accent); }
.header-center { flex: 1; max-width: 640px; margin: 0 auto; }
.search-form { display: flex; align-items: center; background: var(--bg-light); border: 1.5px solid var(--border); border-radius: 50px; padding: 0 8px 0 18px; transition: border-color .3s, box-shadow .3s, background .3s; }
.search-form:focus-within { border-color: var(--accent); background: #fff; box-shadow: 0 0 0 4px rgba(232,169,48,.12); }
.search-form .icon { color: var(--text-weak); font-size: 14px; margin-right: 10px; }
.search-form input { flex: 1; border: none; background: transparent; padding: 11px 8px; font-size: 14px; width: 100%; min-width: 0; }
.search-form input::placeholder { color: var(--text-weak); }
.search-form button { border: none; background: var(--primary); color: #fff; border-radius: 50px; padding: 8px 22px; font-size: 14px; font-weight: 600; cursor: pointer; transition: background .25s, transform .25s; white-space: nowrap; }
.search-form button:hover { background: var(--primary-light); transform: scale(1.03); }
.header-action { display: flex; align-items: center; gap: 12px; justify-content: flex-end; }
.btn-action { display: inline-flex; align-items: center; gap: 8px; padding: 9px 20px; border-radius: 50px; font-size: 14px; font-weight: 600; transition: all .25s; white-space: nowrap; }
.btn-action.outline { border: 1.5px solid var(--border); color: var(--text-body); background: #fff; }
.btn-action.outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn-action.solid { background: var(--accent); color: #12294d; border: 1.5px solid transparent; }
.btn-action.solid:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(232,169,48,.3); }
.menu-toggle { display: none; background: none; border: none; font-size: 20px; color: var(--primary); padding: 8px; cursor: pointer; }
.main-nav { border-top: 1px solid var(--border-light); background: var(--bg-white); }
.nav-list { display: flex; justify-content: center; gap: 10px; padding: 0; flex-wrap: wrap; }
.nav-list .nav-item { position: relative; }
.nav-list .nav-link { display: block; padding: 13px 22px; font-size: 15px; font-weight: 500; color: var(--text-body); border-bottom: 3px solid transparent; transition: color .25s, border-color .25s; }
.nav-list .nav-link:hover { color: var(--primary); }
.nav-list .nav-link.active { color: var(--primary); border-bottom-color: var(--accent); font-weight: 600; }
.mobile-menu { display: none; background: #fff; border-top: 1px solid var(--border-light); padding: 12px 24px 20px; }
.mobile-menu.open { display: block; }
.mobile-menu a { display: block; padding: 12px 8px; font-size: 15px; color: var(--text-body); border-bottom: 1px solid var(--border-light); }
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a.active { color: var(--primary); font-weight: 600; }
.search-mobile { display: none; padding: 0 24px 16px; }
.search-mobile .search-form { width: 100%; }

.hero { position: relative; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; min-height: 560px; display: flex; align-items: center; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(18,41,77,.94) 0%, rgba(18,41,77,.78) 45%, rgba(18,41,77,.45) 100%); }
.hero .inner { position: relative; z-index: 2; padding: 80px 0; width: 100%; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25); color: #fff; border-radius: 40px; padding: 7px 20px; font-size: 13px; font-weight: 500; letter-spacing: .06em; margin-bottom: 24px; backdrop-filter: blur(6px); }
.hero h1 { font-size: clamp(36px, 6vw, 56px); font-weight: 800; color: #fff; line-height: 1.18; margin-bottom: 22px; letter-spacing: -0.01em; }
.hero h1 em { color: var(--accent-light); font-style: normal; }
.hero p { font-size: clamp(15px, 2vw, 18px); color: rgba(255,255,255,.85); max-width: 620px; line-height: 1.8; margin-bottom: 36px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-hero { display: inline-flex; align-items: center; gap: 8px; padding: 13px 32px; border-radius: 50px; font-size: 15px; font-weight: 600; transition: all .3s; }
.btn-hero.primary { background: var(--accent); color: #12294d; box-shadow: 0 8px 24px rgba(232,169,48,.35); }
.btn-hero.primary:hover { background: var(--accent-light); transform: translateY(-3px); box-shadow: 0 12px 30px rgba(232,169,48,.45); }
.btn-hero.ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.6); }
.btn-hero.ghost:hover { background: rgba(255,255,255,.12); transform: translateY(-3px); }
.hero-stats { display: flex; gap: 44px; margin-top: 56px; flex-wrap: wrap; }
.hero-stat .num { font-size: 30px; font-weight: 800; color: #fff; line-height: 1.2; }
.hero-stat .num small { font-size: 16px; color: var(--accent-light); font-weight: 600; }
.hero-stat .label { font-size: 13px; color: rgba(255,255,255,.65); margin-top: 4px; }

.section-feature { background: var(--bg-white); }
.feature-card { background: var(--bg-light); border: 1px solid var(--border-light); border-radius: var(--radius-md); padding: 36px 30px; height: 100%; transition: transform .3s, box-shadow .3s, border-color .3s; position: relative; overflow: hidden; }
.feature-card::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .4s; }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.feature-card:hover::after { transform: scaleX(1); }
.feature-icon { width: 60px; height: 60px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 22px; color: #fff; margin-bottom: 20px; }
.feature-icon.i1 { background: linear-gradient(135deg, #1b3a6b, #2a5298); }
.feature-icon.i2 { background: linear-gradient(135deg, #e8a930, #f0c05a); color: #12294d; }
.feature-icon.i3 { background: linear-gradient(135deg, #0d8b6f, #10b981); }
.feature-card h3 { font-size: 20px; font-weight: 700; color: var(--text-main); margin-bottom: 10px; }
.feature-card p { font-size: 14.5px; color: var(--text-body); line-height: 1.75; }

.section-category { background: var(--bg-light); }
.category-card { background: var(--bg-white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .3s, box-shadow .3s; height: 100%; display: flex; flex-direction: column; }
.category-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.category-card .cover { position: relative; overflow: hidden; aspect-ratio: 16/10; }
.category-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.category-card:hover .cover img { transform: scale(1.05); }
.category-card .cover::after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(18,41,77,.35) 0%, transparent 50%); }
.category-card .body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.category-card .cat-tag { font-size: 12px; color: var(--accent); font-weight: 700; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 8px; }
.category-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.category-card p { font-size: 14px; color: var(--text-weak); line-height: 1.7; margin-bottom: 16px; flex: 1; }
.card-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-weight: 600; font-size: 14px; transition: gap .25s; }
.card-link:hover { gap: 12px; color: var(--accent-dark); }
.card-link .arrow { transition: transform .25s; }
.card-link:hover .arrow { transform: translateX(3px); }

.section-news { background: var(--bg-white); }
.news-list { display: flex; flex-direction: column; gap: 18px; }
.news-item { display: flex; align-items: center; gap: 20px; background: var(--bg-light); border-radius: var(--radius-md); padding: 18px 24px; border: 1px solid var(--border-light); transition: background .3s, box-shadow .3s, transform .3s; }
.news-item:hover { background: #fff; box-shadow: var(--shadow-md); transform: translateX(6px); }
.news-tag { flex-shrink: 0; background: var(--primary); color: #fff; font-size: 12px; font-weight: 600; border-radius: 4px; padding: 3px 10px; white-space: nowrap; }
.news-item-content { flex: 1; min-width: 0; }
.news-item-content h3 { font-size: 16px; font-weight: 600; color: var(--text-main); margin-bottom: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-item-content p { font-size: 13px; color: var(--text-weak); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-date { flex-shrink: 0; font-size: 13px; color: var(--text-weak); display: flex; align-items: center; gap: 6px; }
.empty-tip { text-align: center; color: var(--text-weak); padding: 40px; font-size: 15px; background: var(--bg-light); border-radius: var(--radius-md); }

.news-more { margin-top: 28px; text-align: center; }

.section-stats { background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; position: relative; }
.section-stats::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(18,41,77,.95), rgba(27,58,107,.88)); }
.section-stats .inner { position: relative; z-index: 2; }
.section-stats .section-head h2 { color: #fff; }
.section-stats .section-head p { color: rgba(255,255,255,.75); }
.stat-box { text-align: center; padding: 20px 12px; }
.stat-box .icon { font-size: 28px; color: var(--accent); margin-bottom: 10px; }
.stat-box .num { font-size: clamp(34px, 5vw, 48px); font-weight: 800; color: #fff; line-height: 1.2; }
.stat-box .num small { font-size: 18px; color: var(--accent-light); }
.stat-box .label { font-size: 14px; color: rgba(255,255,255,.7); margin-top: 8px; letter-spacing: .04em; }

.section-process { background: var(--bg-white); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; position: relative; }
.process-grid::before { content: ''; position: absolute; top: 35px; left: 12%; right: 12%; height: 2px; background: repeating-linear-gradient(90deg, var(--border) 0 6px, transparent 6px 12px); z-index: 0; }
.process-step { text-align: center; position: relative; z-index: 1; }
.step-num { width: 70px; height: 70px; margin: 0 auto 18px; border-radius: 50%; background: var(--bg-light); border: 2px solid var(--accent); display: flex; align-items: center; justify-content: center; font-size: 24px; font-weight: 800; color: var(--primary); transition: background .3s, transform .3s; }
.process-step:hover .step-num { background: var(--accent); color: #12294d; transform: scale(1.08); }
.process-step h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.process-step p { font-size: 14px; color: var(--text-weak); line-height: 1.7; padding: 0 10px; }

.section-faq { background: var(--bg-light); }
.faq-container { max-width: 820px; margin: 0 auto; }
.faq-item { background: var(--bg-white); border: 1px solid var(--border-light); border-radius: var(--radius-md); margin-bottom: 14px; overflow: hidden; transition: box-shadow .3s; }
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-item.open { box-shadow: var(--shadow-md); }
.faq-question { display: flex; align-items: center; justify-content: space-between; padding: 20px 26px; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--text-main); }
.faq-question .icon { color: var(--accent); transition: transform .3s; font-size: 14px; }
.faq-item.open .faq-question .icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-answer p { padding: 0 26px 22px; color: var(--text-body); font-size: 14.5px; line-height: 1.8; border-top: 1px solid var(--border-light); padding-top: 16px; margin-top: 0; }

.section-cta { position: relative; background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat; }
.section-cta::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(18,41,77,.92) 0%, rgba(18,41,77,.82) 100%); }
.section-cta .inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-text h2 { font-size: clamp(26px, 4vw, 36px); color: #fff; font-weight: 700; margin-bottom: 12px; }
.cta-text p { color: rgba(255,255,255,.8); font-size: 15px; max-width: 480px; }
.cta-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-cta { display: inline-flex; align-items: center; gap: 8px; padding: 14px 30px; border-radius: 50px; font-size: 15px; font-weight: 600; transition: all .3s; }
.btn-cta.solid { background: var(--accent); color: #12294d; }
.btn-cta.solid:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0,0,0,.2); }
.btn-cta.ghost { border: 1.5px solid rgba(255,255,255,.6); color: #fff; }
.btn-cta.ghost:hover { background: rgba(255,255,255,.1); transform: translateY(-2px); }

.site-footer { background: var(--bg-dark); color: rgba(255,255,255,.75); }
.footer-main { padding: 70px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 50px; }
.footer-brand .brand-logo { color: #fff; font-size: 24px; margin-bottom: 16px; display: block; }
.footer-brand .brand-logo span { color: var(--accent); }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.6); max-width: 300px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; background: var(--accent); }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,.6); transition: color .25s, padding-left .25s; }
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: rgba(255,255,255,.6); margin-bottom: 12px; }
.footer-contact-list li i { color: var(--accent); margin-top: 4px; width: 16px; text-align: center; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.45); }
.footer-bottom a { color: rgba(255,255,255,.65); }
.footer-bottom a:hover { color: var(--accent); }

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
  .process-grid::before { display: none; }
  .hero { min-height: 480px; }
  .header-center { max-width: 420px; }
  .header-action .btn-action.outline { display: none; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .hero { min-height: auto; }
  .hero .inner { padding: 60px 0; }
  .hero-stats { gap: 24px; }
  .menu-toggle { display: block; }
  .header-center { display: none; }
  .header-center.mobile-open { display: block; width: 100%; order: 3; max-width: none; margin-top: 12px; }
  .search-mobile { display: block; }
  .main-nav { display: none; }
  .mobile-menu { display: none; }
  .mobile-menu.open { display: block; }
  .news-item { flex-wrap: wrap; gap: 10px; padding: 16px 18px; }
  .news-date { width: 100%; padding-left: 0; border-left: none; }
  .news-item-content h3 { white-space: normal; }
  .news-item-content p { white-space: normal; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .section-cta .inner { flex-direction: column; text-align: center; }
  .cta-btns { justify-content: center; }
}

@media (max-width: 520px) {
  .grid-container { padding-left: 16px; padding-right: 16px; }
  .header-top { padding: 12px 0; }
  .brand-logo { font-size: 22px; }
  .btn-action.solid { padding: 8px 14px; font-size: 13px; }
  .hero h1 { font-size: 30px; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .hero-stat .num { font-size: 24px; }
  .process-grid { grid-template-columns: 1fr; }
  .feature-card { padding: 24px 18px; }
  .footer-main { padding: 50px 0 30px; }
  .news-item { padding: 14px 16px; }
  .faq-question { padding: 16px 18px; font-size: 15px; }
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
    :root {
      --primary: #175cd3;
      --primary-dark: #0d3f9e;
      --primary-light: #e8f0fe;
      --secondary: #06b6d4;
      --accent: #12b76a;
      --accent-light: #e6f7ef;
      --bg-body: #f8fafc;
      --bg-white: #ffffff;
      --bg-soft: #f0f4fa;
      --text-main: #1e293b;
      --text-body: #334155;
      --text-muted: #64748b;
      --text-light: #94a3b8;
      --border: #e2e8f0;
      --border-light: #f1f5f9;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --radius-xl: 28px;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
      --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.10);
      --space-section: 80px;
      --space-block: 48px;
      --font-sm: 13px;
      --font-base: 15px;
      --font-md: 17px;
      --font-lg: 22px;
      --font-xl: 30px;
      --font-2xl: 38px;
      --radius-circle: 50%;
    }
    
    /* ========== 基础 Reset ========== */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      font-size: var(--font-base);
      line-height: 1.75;
      color: var(--text-body);
      background-color: var(--bg-body);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: hidden;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      color: var(--primary);
      text-decoration: none;
      transition: color 0.25s ease;
    }
    a:hover {
      color: var(--primary-dark);
    }
    ul, ol {
      list-style: none;
    }
    button, input, select, textarea {
      font-family: inherit;
      font-size: inherit;
      line-height: inherit;
    }
    input:focus, button:focus, a:focus {
      outline: 2px solid rgba(23, 92, 211, 0.4);
      outline-offset: 2px;
    }
    
    /* ========== 容器 ========== */
    .grid-container {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    
    /* ========== 通用间距 ========== */
    .section {
      padding: var(--space-section) 0;
    }
    .section-tight {
      padding: 48px 0;
    }
    .section-alt {
      background-color: var(--bg-white);
    }
    .section-soft {
      background-color: var(--bg-soft);
    }
    
    .section-header {
      text-align: center;
      max-width: 700px;
      margin: 0 auto 48px;
    }
    .section-header .section-eyebrow {
      display: inline-block;
      font-size: var(--font-sm);
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--primary);
      background: var(--primary-light);
      padding: 6px 16px;
      border-radius: 20px;
      margin-bottom: 12px;
    }
    .section-header h2 {
      font-size: var(--font-xl);
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 12px;
    }
    .section-header p {
      color: var(--text-muted);
      font-size: var(--font-base);
      line-height: 1.8;
    }
    
    /* ========== 按钮 ========== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: 50px;
      font-size: var(--font-base);
      font-weight: 600;
      line-height: 1.2;
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
      text-decoration: none;
      white-space: nowrap;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--primary), #2e90fa);
      color: #fff;
      box-shadow: 0 4px 14px rgba(23, 92, 211, 0.30);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(23, 92, 211, 0.40);
      color: #fff;
    }
    .btn-outline {
      background: transparent;
      border: 2px solid var(--border);
      color: var(--text-main);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: var(--primary-light);
      transform: translateY(-2px);
    }
    .btn-lg {
      padding: 15px 38px;
      font-size: var(--font-md);
    }
    .btn-ghost-light {
      background: rgba(255,255,255,0.2);
      border: 1.5px solid rgba(255,255,255,0.6);
      color: #fff;
      backdrop-filter: blur(6px);
    }
    .btn-ghost-light:hover {
      background: rgba(255,255,255,0.3);
      color: #fff;
      transform: translateY(-2px);
    }
    
    /* ========== 顶部导航 ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: #fff;
      box-shadow: var(--shadow-sm);
      border-bottom: 1px solid var(--border-light);
    }
    .header-top {
      display: flex;
      align-items: center;
      gap: 24px;
      padding: 14px 0;
    }
    .brand-logo {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.02em;
      flex-shrink: 0;
      text-decoration: none;
      display: inline-flex;
      align-items: baseline;
    }
    .brand-logo span {
      color: var(--primary);
    }
    .header-search {
      flex: 1;
      max-width: 560px;
      margin: 0 auto;
      position: relative;
    }
    .header-search .search-form {
      display: flex;
      align-items: center;
      background: var(--bg-soft);
      border: 1px solid var(--border);
      border-radius: 50px;
      padding: 6px 6px 6px 20px;
      transition: border-color 0.3s, box-shadow 0.3s;
    }
    .header-search .search-form:focus-within {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(23, 92, 211, 0.10);
      background: #fff;
    }
    .header-search .search-form .fa-search {
      color: var(--text-muted);
      font-size: 14px;
      margin-right: 10px;
    }
    .header-search .search-form input {
      flex: 1;
      border: none;
      background: transparent;
      padding: 8px 0;
      font-size: 14px;
      color: var(--text-main);
      outline: none;
    }
    .header-search .search-form input::placeholder {
      color: var(--text-light);
    }
    .header-search .search-form button {
      background: var(--primary);
      border: none;
      color: #fff;
      width: 78px;
      height: 38px;
      border-radius: 50px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: background 0.3s;
    }
    .header-search .search-form button:hover {
      background: var(--primary-dark);
    }
    .header-contact {
      flex-shrink: 0;
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--text-muted);
      font-size: 14px;
      white-space: nowrap;
    }
    .header-contact .contact-icon {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
    }
    .header-contact .contact-text strong {
      display: block;
      font-size: 15px;
      color: var(--text-main);
      line-height: 1.2;
    }
    .header-contact .contact-text span {
      font-size: 12px;
      color: var(--text-muted);
    }
    
    /* 主导航 */
    .main-nav {
      border-top: 1px solid var(--border-light);
      background: #fff;
    }
    .nav-list {
      display: flex;
      align-items: center;
      gap: 4px;
      margin: 0;
      padding: 0;
      list-style: none;
      flex-wrap: wrap;
    }
    .nav-item {
      margin: 0;
    }
    .nav-link {
      display: block;
      padding: 14px 20px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      border-radius: 0;
      position: relative;
      text-decoration: none;
      transition: color 0.25s;
    }
    .nav-link::after {
      content: '';
      position: absolute;
      left: 20px;
      right: 20px;
      bottom: 0;
      height: 3px;
      border-radius: 3px 3px 0 0;
      background: var(--primary);
      opacity: 0;
      transform: scaleX(0.3);
      transition: opacity 0.25s, transform 0.25s;
    }
    .nav-link:hover {
      color: var(--primary);
    }
    .nav-link:hover::after {
      opacity: 1;
      transform: scaleX(1);
    }
    .nav-link.active {
      color: var(--primary);
      font-weight: 600;
    }
    .nav-link.active::after {
      opacity: 1;
      transform: scaleX(1);
    }
    
    /* ========== Hero 横幅 ========== */
    .page-hero {
      position: relative;
      background: linear-gradient(135deg, rgba(13, 63, 158, 0.92), rgba(23, 92, 211, 0.82)),
                  url('/assets/images/backpic/back-1.png') center / cover no-repeat;
      color: #fff;
      padding: 90px 0 80px;
      text-align: center;
      overflow: hidden;
    }
    .page-hero::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -20%;
      width: 600px;
      height: 600px;
      border-radius: 50%;
      background: rgba(255,255,255,0.06);
    }
    .page-hero::after {
      content: '';
      position: absolute;
      bottom: -30%;
      left: -10%;
      width: 400px;
      height: 400px;
      border-radius: 50%;
      background: rgba(255,255,255,0.04);
    }
    .page-hero .hero-content {
      position: relative;
      z-index: 1;
      max-width: 800px;
      margin: 0 auto;
    }
    .page-hero .hero-badge {
      display: inline-block;
      background: rgba(255,255,255,0.16);
      border: 1px solid rgba(255,255,255,0.25);
      border-radius: 30px;
      padding: 6px 20px;
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 0.04em;
      margin-bottom: 20px;
      backdrop-filter: blur(6px);
    }
    .page-hero h1 {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.02em;
      margin-bottom: 16px;
    }
    .page-hero p {
      font-size: 17px;
      line-height: 1.8;
      color: rgba(255,255,255,0.92);
      max-width: 600px;
      margin: 0 auto 32px;
    }
    .page-hero .hero-btns {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
    }
    .page-hero .hero-meta {
      display: flex;
      gap: 24px;
      justify-content: center;
      flex-wrap: wrap;
      margin-top: 40px;
      font-size: 14px;
      color: rgba(255,255,255,0.85);
    }
    .page-hero .hero-meta i {
      margin-right: 6px;
      opacity: 0.8;
    }
    
    /* ========== 登录流程 ========== */
    .steps-section {
      background: var(--bg-white);
    }
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 28px;
    }
    .step-card {
      position: relative;
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: transform 0.3s, box-shadow 0.3s;
    }
    .step-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
    }
    .step-number {
      position: absolute;
      top: 16px;
      right: 18px;
      font-size: 46px;
      font-weight: 800;
      color: rgba(23, 92, 211, 0.10);
      line-height: 1;
    }
    .step-icon {
      width: 64px;
      height: 64px;
      border-radius: var(--radius-md);
      background: linear-gradient(135deg, var(--primary-light), #dbeafe);
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      font-size: 24px;
      color: var(--primary);
    }
    .step-card h3 {
      font-size: 17px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .step-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 0;
    }
    
    /* ========== 登录方式卡片 ========== */
    .methods-section {
      background: var(--bg-soft);
    }
    .methods-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .method-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: transform 0.3s, box-shadow 0.3s;
    }
    .method-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }
    .method-card .method-img {
      height: 160px;
      overflow: hidden;
      position: relative;
    }
    .method-card .method-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .method-card:hover .method-img img {
      transform: scale(1.05);
    }
    .method-card .method-img::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 40%, rgba(15, 23, 42, 0.5) 100%);
    }
    .method-card .method-body {
      padding: 22px;
    }
    .method-card .method-tag {
      display: inline-block;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 12px;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 10px;
    }
    .method-card .method-tag.tag-green {
      background: var(--accent-light);
      color: var(--accent);
    }
    .method-card .method-tag.tag-cyan {
      background: #e0faff;
      color: #0e7a9a;
    }
    .method-card .method-tag.tag-amber {
      background: #fef3e2;
      color: #b45309;
    }
    .method-card h3 {
      font-size: 17px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .method-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 14px;
    }
    .method-card .method-link {
      font-size: 14px;
      font-weight: 500;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--primary);
    }
    .method-card .method-link i {
      transition: transform 0.25s;
    }
    .method-card .method-link:hover i {
      transform: translateX(4px);
    }
    
    /* ========== 登录技巧 ========== */
    .tips-section {
      background: var(--bg-white);
    }
    .tips-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .tips-image {
      position: relative;
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }
    .tips-image img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .tips-image .img-caption {
      position: absolute;
      bottom: 20px;
      left: 20px;
      right: 20px;
      background: rgba(15, 23, 42, 0.70);
      backdrop-filter: blur(8px);
      border-radius: var(--radius-md);
      padding: 14px 18px;
      color: #fff;
      font-size: 14px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .tips-content h2 {
      font-size: 28px;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.4;
      margin-bottom: 16px;
    }
    .tips-content > p {
      color: var(--text-muted);
      font-size: 15px;
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .tips-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }
    .tips-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      background: var(--bg-soft);
      border-radius: var(--radius-md);
      padding: 12px 14px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.6;
      transition: background 0.3s;
    }
    .tips-list li:hover {
      background: var(--primary-light);
    }
    .tips-list li i {
      color: var(--accent);
      margin-top: 3px;
      flex-shrink: 0;
    }
    
    /* ========== FAQ ========== */
    .faq-section {
      background: var(--bg-soft);
    }
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: box-shadow 0.3s;
    }
    .faq-item:hover {
      box-shadow: var(--shadow-md);
    }
    .faq-item summary {
      padding: 18px 24px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      transition: background 0.25s;
      user-select: none;
    }
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-item summary:hover {
      background: var(--bg-soft);
    }
    .faq-item summary::after {
      content: '\f078';
      font-family: 'Font Awesome 6 Free';
      font-weight: 900;
      font-size: 14px;
      color: var(--text-muted);
      transition: transform 0.3s;
      flex-shrink: 0;
    }
    .faq-item[open] summary::after {
      transform: rotate(180deg);
    }
    .faq-item[open] summary {
      border-bottom: 1px solid var(--border-light);
    }
    .faq-item .faq-answer {
      padding: 16px 24px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.9;
      background: #fafcff;
    }
    
    /* ========== CTA ========== */
    .cta-section {
      position: relative;
      background: linear-gradient(135deg, #0d3f9e 0%, #1e5eff 60%, #2e90fa 100%);
      padding: 64px 0;
      color: #fff;
      text-align: center;
      overflow: hidden;
    }
    .cta-section::before {
      content: '';
      position: absolute;
      top: -60%;
      left: -15%;
      width: 400px;
      height: 400px;
      border-radius: 50%;
      background: rgba(255,255,255,0.05);
    }
    .cta-section::after {
      content: '';
      position: absolute;
      bottom: -80%;
      right: -10%;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: rgba(255,255,255,0.05);
    }
    .cta-section .cta-content {
      position: relative;
      z-index: 1;
      max-width: 640px;
      margin: 0 auto;
    }
    .cta-section h2 {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 12px;
    }
    .cta-section p {
      font-size: 16px;
      line-height: 1.8;
      color: rgba(255,255,255,0.85);
      margin-bottom: 28px;
    }
    .cta-section .cta-btns {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
    }
    .cta-contact-info {
      display: flex;
      gap: 28px;
      justify-content: center;
      flex-wrap: wrap;
      margin-top: 28px;
      font-size: 14px;
      color: rgba(255,255,255,0.8);
    }
    .cta-contact-info span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    
    /* ========== 页脚 ========== */
    .site-footer {
      background: #0f172a;
      color: rgba(255,255,255,0.75);
      padding-top: 60px;
    }
    .footer-main {
      padding-bottom: 40px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
      gap: 40px;
    }
    .footer-brand .brand-logo {
      color: #fff;
      font-size: 26px;
      margin-bottom: 14px;
      display: inline-block;
    }
    .footer-brand .brand-logo span {
      color: #60a5fa;
    }
    .footer-brand p {
      font-size: 14px;
      line-height: 1.8;
      color: rgba(255,255,255,0.6);
      max-width: 300px;
      margin-bottom: 0;
    }
    .footer-col h4 {
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 16px;
    }
    .footer-col ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-col ul li {
      margin-bottom: 10px;
    }
    .footer-col ul li a {
      color: rgba(255,255,255,0.6);
      font-size: 14px;
      transition: color 0.25s;
    }
    .footer-col ul li a:hover {
      color: #60a5fa;
    }
    .footer-contact-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: rgba(255,255,255,0.6);
      font-size: 14px;
      line-height: 1.6;
    }
    .footer-contact-list li i {
      color: #60a5fa;
      margin-top: 4px;
      flex-shrink: 0;
      width: 16px;
      text-align: center;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.1);
      padding: 18px 0;
      text-align: center;
    }
    .footer-bottom p {
      font-size: 13px;
      color: rgba(255,255,255,0.45);
      margin-bottom: 0;
    }
    .footer-bottom a {
      color: rgba(255,255,255,0.6);
    }
    .footer-bottom a:hover {
      color: #60a5fa;
    }
    
    /* ========== 面包屑 ========== */
    .breadcrumb-bar {
      background: var(--bg-white);
      border-bottom: 1px solid var(--border-light);
      padding: 12px 0;
    }
    .breadcrumb-bar .breadcrumb-list {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-muted);
    }
    .breadcrumb-bar .breadcrumb-list a {
      color: var(--text-muted);
    }
    .breadcrumb-bar .breadcrumb-list a:hover {
      color: var(--primary);
    }
    .breadcrumb-bar .breadcrumb-list i {
      font-size: 10px;
      color: var(--text-light);
    }
    .breadcrumb-bar .breadcrumb-list .current {
      color: var(--text-main);
      font-weight: 500;
    }
    
    /* ========== 响应式 ========== */
    @media screen and (max-width: 1024px) {
      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .methods-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
      .header-contact {
        display: none;
      }
      .page-hero h1 {
        font-size: 36px;
      }
    }
    
    @media screen and (max-width: 768px) {
      :root {
        --space-section: 56px;
      }
      .header-top {
        flex-direction: column;
        gap: 14px;
        padding: 14px 0;
      }
      .header-search {
        width: 100%;
        max-width: 100%;
      }
      .nav-list {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
      }
      .nav-link {
        padding: 12px 14px;
        font-size: 14px;
        white-space: nowrap;
      }
      .page-hero {
        padding: 60px 0;
      }
      .page-hero h1 {
        font-size: 30px;
      }
      .page-hero p {
        font-size: 15px;
      }
      .tips-layout {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .tips-list {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
    }
    
    @media screen and (max-width: 520px) {
      .steps-grid {
        grid-template-columns: 1fr;
      }
      .methods-grid {
        grid-template-columns: 1fr;
      }
      .page-hero h1 {
        font-size: 26px;
      }
      .page-hero .hero-btns {
        flex-direction: column;
      }
      .page-hero .hero-btns .btn {
        width: 100%;
      }
      .section-header h2 {
        font-size: 23px;
      }
      .cta-section h2 {
        font-size: 26px;
      }
      .cta-section .cta-btns {
        flex-direction: column;
      }
      .cta-section .cta-btns .btn {
        width: 100%;
      }
      .faq-item summary {
        padding: 14px 16px;
        font-size: 14px;
      }
      .faq-item .faq-answer {
        padding: 12px 16px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .brand-logo {
        font-size: 20px;
      }
    }

/* roulang page: article */
:root {
    --primary: #1a56db;
    --primary-dark: #1e40af;
    --primary-light: #60a5fa;
    --secondary: #0f9d6c;
    --secondary-dark: #0b7a54;
    --bg-light: #f6f9fc;
    --bg-white: #ffffff;
    --bg-dark: #0f172a;
    --text-main: #1e293b;
    --text-weak: #64748b;
    --border: #e2e8f0;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 10px rgba(0,0,0,.05);
    --shadow-md: 0 8px 28px rgba(0,0,0,.08);
    --shadow-lg: 0 16px 44px rgba(0,0,0,.12);
    --transition: all .3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-main);
    background: var(--bg-white);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; 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: 1280px; margin: 0 auto; padding: 0 24px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: .95rem;
    line-height: 1.4;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff !important; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-secondary { background: var(--secondary); color: #fff !important; border-color: var(--secondary); }
.btn-secondary:hover { background: var(--secondary-dark); border-color: var(--secondary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--primary) !important; border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff !important; transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-light { background: #fff; color: var(--primary) !important; border-color: #fff; }
.btn-light:hover { background: var(--bg-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-block { width: 100%; }
.btn-lg { padding: 16px 40px; font-size: 1.05rem; }

.badge {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 50px;
    font-size: .8rem;
    font-weight: 600;
    background: rgba(26,86,219,.1);
    color: var(--primary);
    border: 1px solid rgba(26,86,219,.18);
}
.badge-light { background: #f1f5f9; color: #475569; border-color: #e2e8f0; }
.badge-green { background: rgba(15,157,108,.1); color: var(--secondary); border-color: rgba(15,157,108,.2); }

/* ===== Header ===== */
.site-header { position: sticky; top: 0; z-index: 100; background: #fff; box-shadow: 0 2px 20px rgba(0,0,0,.06); }
.header-top { padding: 14px 0; border-bottom: 1px solid var(--border); background: #fff; }
.header-main-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand-logo { font-size: 1.8rem; font-weight: 800; color: var(--text-main); letter-spacing: -1px; white-space: nowrap; }
.brand-logo span { color: var(--primary); }
.header-search { flex: 1; max-width: 620px; margin: 0 auto; }
.search-form {
    display: flex;
    align-items: center;
    background: var(--bg-light);
    border: 2px solid var(--border);
    border-radius: 50px;
    padding: 4px 6px 4px 18px;
    transition: var(--transition);
}
.search-form:focus-within { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(26,86,219,.1); background: #fff; }
.search-form .search-icon { color: var(--text-weak); font-size: .95rem; margin-right: 10px; }
.search-form input {
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    padding: 9px 0;
    font-size: .95rem;
    color: var(--text-main);
}
.search-form input::placeholder { color: #94a3b8; }
.search-form button {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50px;
    padding: 10px 24px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
.search-form button:hover { background: var(--primary-dark); }
.header-hotline { display: flex; align-items: center; gap: 12px; white-space: nowrap; }
.header-hotline i { font-size: 2rem; color: var(--primary); }
.header-hotline span { font-size: .82rem; line-height: 1.4; color: var(--text-weak); font-weight: 500; }

.main-nav { background: var(--bg-dark); border-top: none; }
.nav-list { display: flex; align-items: center; gap: 4px; padding: 0; margin: 0; }
.nav-item { position: relative; }
.nav-link {
    display: block;
    padding: 14px 22px;
    color: rgba(255,255,255,.82);
    font-size: .95rem;
    font-weight: 500;
    border-radius: 0;
    transition: var(--transition);
    text-decoration: none;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav-link.active { color: #fff; font-weight: 700; }
.nav-link.active::after {
    content: '';
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 0;
    height: 3px;
    background: var(--primary-light);
    border-radius: 3px 3px 0 0;
}

/* ===== Breadcrumb ===== */
.breadcrumb-area {
    padding: 44px 0 36px;
    background: linear-gradient(135deg, rgba(15,23,42,.92), rgba(30,64,175,.88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    position: relative;
}
.breadcrumb-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.breadcrumb-title { color: #fff; font-size: 1.4rem; font-weight: 700; margin: 0; }
.breadcrumb { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: .88rem; color: rgba(255,255,255,.75); }
.breadcrumb a { color: rgba(255,255,255,.75); text-decoration: none; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { color: rgba(255,255,255,.4); }
.breadcrumb .current { color: #fff; font-weight: 600; }

/* ===== Article Section ===== */
.article-section { padding: 48px 0; background: var(--bg-light); }
.article-main {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 40px;
    border: 1px solid var(--border);
    transition: var(--transition);
}
.article-main:hover { box-shadow: var(--shadow-md); }
.article-category { margin-bottom: 16px; }
.article-title { font-size: 2rem; line-height: 1.35; font-weight: 800; color: var(--text-main); margin-bottom: 18px; letter-spacing: -0.5px; }
.article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    padding: 14px 0 18px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 26px;
    color: var(--text-weak);
    font-size: .88rem;
}
.article-meta span { display: inline-flex; align-items: center; gap: 7px; }
.article-meta i { color: var(--primary); }
.article-cover { border-radius: var(--radius-md); overflow: hidden; margin-bottom: 30px; }
.article-cover img { width: 100%; height: 420px; object-fit: cover; transition: transform .6s ease; }
.article-cover:hover img { transform: scale(1.02); }
.article-content { font-size: 1.05rem; line-height: 1.9; color: #334155; }
.article-content p { margin-bottom: 1.4rem; }
.article-content h2 { font-size: 1.55rem; font-weight: 700; color: var(--text-main); margin: 2rem 0 1rem; }
.article-content h3 { font-size: 1.28rem; font-weight: 700; color: var(--text-main); margin: 1.75rem 0 .8rem; }
.article-content ul { list-style: disc; margin: 0 0 1.4rem 1.6rem; }
.article-content ol { list-style: decimal; margin: 0 0 1.4rem 1.6rem; }
.article-content li { margin-bottom: .5rem; }
.article-content img { border-radius: var(--radius-sm); margin: 1rem 0; }
.article-content blockquote {
    border-left: 4px solid var(--primary);
    background: #f1f5f9;
    padding: 16px 20px;
    border-radius: 0 12px 12px 0;
    margin: 1.5rem 0;
    color: var(--text-weak);
    font-style: italic;
}
.article-content a { text-decoration: underline; }
.article-footer {
    margin-top: 36px;
    padding-top: 22px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}
.article-tags { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tag-label { font-size: .88rem; color: var(--text-weak); font-weight: 500; }
.tag {
    display: inline-block;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    padding: 4px 14px;
    border-radius: 50px;
    font-size: .8rem;
    color: #475569;
    transition: var(--transition);
}
.tag:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.article-share { display: flex; align-items: center; gap: 8px; }
.share-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f1f5f9;
    color: #64748b;
    transition: var(--transition);
    font-size: .9rem;
}
.share-btn:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

.article-not-found {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 60px 40px;
    text-align: center;
    border: 1px solid var(--border);
}
.not-found-icon { font-size: 3rem; color: var(--primary-light); margin-bottom: 16px; }
.article-not-found h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: 10px; }
.article-not-found p { color: var(--text-weak); margin-bottom: 24px; }

/* ===== Sidebar ===== */
.article-sidebar { display: flex; flex-direction: column; gap: 28px; }
.sidebar-widget {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    border: 1px solid var(--border);
    transition: var(--transition);
}
.sidebar-widget:hover { box-shadow: var(--shadow-md); }
.widget-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
    padding-bottom: 12px;
    margin-bottom: 16px;
    border-bottom: 2px solid var(--bg-light);
    display: flex;
    align-items: center;
    gap: 10px;
}
.widget-title i { color: var(--primary); }
.sidebar-cats li { border-bottom: 1px dashed var(--border); }
.sidebar-cats li:last-child { border-bottom: none; }
.sidebar-cats a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 4px;
    font-size: .93rem;
    color: var(--text-main);
    font-weight: 500;
    transition: var(--transition);
}
.sidebar-cats a span { color: var(--primary-light); transition: var(--transition); }
.sidebar-cats a:hover { color: var(--primary); padding-left: 10px; }
.sidebar-cats a:hover span { transform: translateX(4px); }
.sidebar-latest li { border-bottom: 1px dashed var(--border); }
.sidebar-latest li:last-child { border-bottom: none; }
.sidebar-latest a { display: block; padding: 12px 0; transition: var(--transition); }
.sidebar-latest a:hover { padding-left: 6px; }
.latest-title { display: block; font-size: .92rem; font-weight: 600; color: var(--text-main); margin-bottom: 3px; }
.sidebar-latest a:hover .latest-title { color: var(--primary); }
.latest-date { font-size: .78rem; color: var(--text-weak); }
.contact-card { background: linear-gradient(135deg, var(--bg-dark), #1e3a8a); border: none; color: #fff; }
.contact-card .widget-title { color: #fff; border-bottom-color: rgba(255,255,255,.15); }
.contact-card .widget-title i { color: var(--primary-light); }
.contact-card-inner { text-align: center; padding: 10px 0 4px; }
.contact-card-inner i { font-size: 2.4rem; color: var(--primary-light); margin-bottom: 14px; }
.contact-card-inner h4 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; color: #fff; }
.contact-card-inner p { font-size: .85rem; color: rgba(255,255,255,.75); margin-bottom: 20px; line-height: 1.7; }

/* ===== Related Section ===== */
.related-section { padding: 56px 0; background: #fff; }
.section-header { text-align: center; margin-bottom: 40px; }
.section-eyebrow { display: inline-block; font-size: .8rem; color: var(--primary); text-transform: uppercase; letter-spacing: 2px; font-weight: 700; margin-bottom: 6px; }
.section-title { font-size: 2rem; font-weight: 800; color: var(--text-main); margin-bottom: 12px; letter-spacing: -0.5px; }
.section-subtitle { color: var(--text-weak); max-width: 560px; margin: 0 auto; font-size: .98rem; }
.related-card {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(26,86,219,.2); }
.related-thumb { height: 180px; overflow: hidden; }
.related-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.related-card:hover .related-thumb img { transform: scale(1.06); }
.related-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.related-body .badge { align-self: flex-start; margin-bottom: 10px; }
.related-body h4 { font-size: 1.05rem; font-weight: 700; line-height: 1.45; margin-bottom: 8px; }
.related-body h4 a { color: var(--text-main); }
.related-body h4 a:hover { color: var(--primary); }
.related-body p { font-size: .85rem; color: var(--text-weak); line-height: 1.65; margin-bottom: 14px; flex: 1; }
.read-more { font-size: .85rem; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.read-more i { transition: transform .3s ease; }
.read-more:hover i { transform: translateX(4px); }

/* ===== FAQ ===== */
.faq-section { padding: 56px 0; background: var(--bg-light); }
.faq-accordion { max-width: 800px; margin: 0 auto; }
.faq-accordion .accordion-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition);
}
.faq-accordion .accordion-item.is-active { border-color: rgba(26,86,219,.25); box-shadow: var(--shadow-sm); }
.faq-accordion .accordion-title {
    background: #fff;
    padding: 20px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
    border: none !important;
    position: relative;
    padding-right: 50px;
    transition: var(--transition);
}
.faq-accordion .accordion-title:hover { color: var(--primary); background: #fafcff; }
.faq-accordion .accordion-title::before,
.faq-accordion .accordion-title::after {
    content: '';
    position: absolute;
    right: 24px;
    top: 50%;
    width: 14px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}
.faq-accordion .accordion-title::after { transform: rotate(90deg); }
.faq-accordion .accordion-item.is-active .accordion-title::after { transform: rotate(0deg); }
.faq-accordion .accordion-content { border: none !important; background: #fff; padding: 0 24px 22px; color: var(--text-weak); font-size: .95rem; line-height: 1.8; }
.faq-accordion .accordion-content p { margin-bottom: 8px; }

/* ===== CTA ===== */
.cta-section { padding: 64px 0; background: linear-gradient(135deg, var(--bg-dark) 0%, #1e3a8a 50%, var(--primary-dark) 100%); position: relative; overflow: hidden; }
.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    opacity: .08;
    pointer-events: none;
}
.cta-inner { text-align: center; position: relative; z-index: 1; }
.cta-title { font-size: 2rem; font-weight: 800; color: #fff; margin-bottom: 14px; letter-spacing: -0.5px; }
.cta-desc { color: rgba(255,255,255,.82); max-width: 620px; margin: 0 auto 30px; font-size: 1rem; line-height: 1.8; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer { background: var(--bg-dark); color: #94a3b8; }
.footer-main { padding: 56px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-brand .brand-logo { color: #fff; font-size: 1.6rem; margin-bottom: 14px; display: inline-block; }
.footer-brand p { font-size: .88rem; line-height: 1.75; color: #94a3b8; max-width: 280px; }
.footer-col h4 {
    font-size: 1rem;
    color: #fff;
    font-weight: 600;
    margin-bottom: 18px;
    padding-bottom: 10px;
    position: relative;
}
.footer-col h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; background: var(--primary); border-radius: 2px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: #94a3b8; font-size: .88rem; transition: var(--transition); }
.footer-col ul li a:hover { color: #fff; padding-left: 5px; }
.footer-contact-list li { display: flex; align-items: flex-start; gap: 10px; color: #94a3b8; font-size: .88rem; margin-bottom: 12px; }
.footer-contact-list i { color: var(--primary-light); margin-top: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; text-align: center; font-size: .82rem; color: #64748b; }
.footer-bottom a { color: #94a3b8; }
.footer-bottom a:hover { color: #fff; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .article-cover img { height: 340px; }
}
@media (max-width: 768px) {
    .header-main-inner { flex-wrap: wrap; gap: 12px; }
    .header-search { order: 3; width: 100%; max-width: 100%; }
    .header-hotline { display: none; }
    .nav-list { overflow-x: auto; -webkit-overflow-scrolling: touch; gap: 0; }
    .nav-item { flex-shrink: 0; }
    .nav-link { padding: 13px 16px; font-size: .88rem; }
    .breadcrumb-area { padding: 32px 0 26px; }
    .breadcrumb-title { font-size: 1.2rem; }
    .article-section { padding: 32px 0; }
    .article-main { padding: 24px 20px; }
    .article-title { font-size: 1.55rem; }
    .article-cover img { height: 240px; }
    .section-title { font-size: 1.55rem; }
    .cta-title { font-size: 1.55rem; }
}
@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .article-meta { gap: 10px; font-size: .8rem; }
    .article-footer { flex-direction: column; align-items: flex-start; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .cta-buttons .btn { width: 100%; }
    .search-form button { padding: 10px 16px; font-size: .85rem; }
    .brand-logo { font-size: 1.5rem; }
    .section-title { font-size: 1.35rem; }
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root {
  --primary: #1e4f8a;
  --primary-dark: #14365f;
  --primary-light: #3473c0;
  --secondary: #12a594;
  --accent: #f0a63c;
  --bg-body: #f5f7fb;
  --bg-white: #ffffff;
  --bg-soft: #eef2f7;
  --bg-dark: #0d1f33;
  --text-main: #1c2530;
  --text-weak: #66707d;
  --text-light: #ffffff;
  --border-color: #e3e8ef;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 28px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 18px 44px rgba(0, 0, 0, 0.12);
  --section-space: 92px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-main);
  background-color: var(--bg-body);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
}

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

ul,
ol {
  list-style: none;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid rgba(30, 79, 138, 0.35);
  outline-offset: 2px;
  border-radius: 4px;
}

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

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

.section-block {
  padding: var(--section-space) 0;
}

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

.section-soft {
  background-color: var(--bg-soft);
}

/* ========== 导航 ========== */
.main-nav {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: 72px;
}

.brand-logo {
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 2px;
  white-space: nowrap;
}

.brand-logo span {
  color: var(--accent);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  flex-wrap: wrap;
}

.nav-item {
  margin: 0;
}

.nav-link {
  display: block;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background-color: rgba(30, 79, 138, 0.07);
}

.nav-link.active {
  color: var(--text-light);
  background-color: var(--primary);
  box-shadow: 0 4px 14px rgba(30, 79, 138, 0.3);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  color: var(--primary);
  font-size: 20px;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: rgba(30, 79, 138, 0.12);
}

/* ========== 页面 Hero / Banner ========== */
.page-hero {
  position: relative;
  padding: 110px 0 90px;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: var(--text-light);
}

.page-hero .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(13, 31, 51, 0.92) 0%, rgba(18, 42, 70, 0.75) 55%, rgba(30, 79, 138, 0.35) 100%);
}

.page-hero .hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 18px;
}

.breadcrumbs a {
  color: rgba(255, 255, 255, 0.85);
  transition: var(--transition);
}

.breadcrumbs a:hover {
  color: var(--accent);
}

.breadcrumbs span:last-child {
  color: var(--accent);
  font-weight: 500;
}

.page-hero h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.page-hero p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  max-width: 560px;
  margin-bottom: 28px;
  line-height: 1.7;
}

.hero-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-light);
  backdrop-filter: blur(6px);
}

/* ========== 板块标题 ========== */
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 52px;
}

.section-tag {
  display: inline-block;
  padding: 5px 16px;
  background: rgba(30, 79, 138, 0.08);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 14px;
  letter-spacing: 1px;
}

.section-head h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.4;
  margin-bottom: 14px;
}

.section-head p {
  font-size: 16px;
  color: var(--text-weak);
  line-height: 1.8;
}

/* ========== 特性卡片 ========== */
.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  height: 100%;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(30, 79, 138, 0.2);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--text-light);
  margin-bottom: 24px;
  box-shadow: 0 8px 20px rgba(30, 79, 138, 0.25);
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-main);
}

.feature-card p {
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.75;
}

/* ========== 功能卡片带图 ========== */
.feature-item-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.feature-item-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.feature-item-card:hover .card-image img {
  transform: scale(1.05);
}

.card-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(13, 31, 51, 0.25));
}

.card-body {
  padding: 24px 24px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.tag {
  display: inline-block;
  align-self: flex-start;
  padding: 3px 12px;
  background: rgba(30, 79, 138, 0.08);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 12px;
}

.card-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}

.card-body p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  background: var(--primary);
  color: var(--text-light);
  border: 2px solid var(--primary);
  transition: var(--transition);
  cursor: pointer;
}

.btn:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(30, 79, 138, 0.3);
  color: var(--text-light);
}

.btn-sm {
  padding: 7px 18px;
  font-size: 13px;
}

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

.btn-outline:hover {
  background: var(--primary);
  color: var(--text-light);
}

/* ========== 统计区块 ========== */
.stats-section {
  background: var(--bg-dark);
  background-image: url('/assets/images/backpic/back-1.png');
  background-position: center;
  background-size: cover;
  background-attachment: fixed;
  position: relative;
  padding: 72px 0;
}

.stats-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(13, 31, 51, 0.88);
}

.stats-section .grid-container {
  position: relative;
  z-index: 2;
}

.stat-item {
  text-align: center;
  padding: 30px 16px;
  position: relative;
}

.stat-item::after {
  content: "";
  position: absolute;
  right: 0;
  top: 20%;
  bottom: 20%;
  width: 1px;
  background: rgba(255, 255, 255, 0.15);
}

.stat-item:last-child::after {
  display: none;
}

.stat-number {
  font-size: 46px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 1px;
}

/* ========== 步骤流程 ========== */
.steps-section {
  position: relative;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}

.step-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 34px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  text-align: center;
  position: relative;
  transition: var(--transition);
}

.step-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.step-item::before {
  content: "";
  position: absolute;
  top: 50%;
  right: -24px;
  width: 20px;
  height: 2px;
  background: var(--border-color);
  display: none;
}

.step-item:not(:last-child)::before {
  display: block;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--primary);
  color: var(--text-light);
  border-radius: 50%;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 0 8px 20px rgba(30, 79, 138, 0.25);
}

.step-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-item p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}

/* ========== 内容列表 ========== */
.content-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.content-row {
  display: flex;
  gap: 28px;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.content-row:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.content-thumb {
  width: 220px;
  min-width: 220px;
  height: 150px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.content-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.content-row:hover .content-thumb img {
  transform: scale(1.04);
}

.content-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.content-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 8px;
}

.content-meta span {
  background: rgba(18, 165, 148, 0.1);
  color: var(--secondary);
  padding: 2px 10px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 12px;
}

.content-info h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  transition: var(--transition);
}

.content-row:hover .content-info h3 {
  color: var(--primary);
}

.content-info p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(30, 79, 138, 0.25);
  box-shadow: var(--shadow-md);
}

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

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 26px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  background: transparent;
  transition: var(--transition);
}

.faq-question i {
  color: var(--primary);
  font-size: 14px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 26px;
}

.faq-item.open .faq-answer {
  max-height: 400px;
  padding: 0 26px 22px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.8;
  border-top: 1px dashed var(--border-color);
  padding-top: 14px;
}

/* ========== CTA ========== */
.cta-section {
  position: relative;
  padding: 80px 0;
  background: var(--primary-dark);
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(20, 54, 95, 0.94), rgba(30, 79, 138, 0.82));
}

.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  color: var(--text-light);
}

.cta-inner h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-inner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-light {
  background: var(--text-light);
  color: var(--primary);
  border-color: var(--text-light);
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-dark);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.2);
}

.btn-outline-light {
  background: transparent;
  color: var(--text-light);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--text-light);
  color: var(--text-light);
}

/* ========== 页脚 ========== */
.site-footer {
  background: #0a1626;
  color: rgba(255, 255, 255, 0.75);
  padding-top: 72px;
}

.footer-main {
  padding-bottom: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
}

.footer-brand .brand-logo {
  color: var(--text-light);
  margin-bottom: 16px;
  font-size: 26px;
}

.footer-brand .brand-logo span {
  color: var(--accent);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 300px;
}

.footer-col h4 {
  font-size: 16px;
  color: var(--text-light);
  margin-bottom: 18px;
  font-weight: 700;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.footer-col ul li {
  margin: 0;
}

.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: var(--transition);
}

.footer-col ul a:hover {
  color: var(--accent);
  padding-left: 6px;
}

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
}

.footer-contact-list li i {
  color: var(--accent);
  margin-top: 4px;
  width: 16px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-bottom a:hover {
  color: var(--accent);
}

/* ========== 响应式 ========== */
@media screen and (max-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

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

  .nav-container {
    flex-wrap: wrap;
    min-height: 64px;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .brand-logo {
    font-size: 22px;
  }

  .nav-list {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 12px 0 16px;
    border-top: 1px solid var(--border-color);
    margin-top: 6px;
  }

  .nav-list.open {
    display: flex;
  }

  .nav-link {
    width: 100%;
    padding: 12px 18px;
    border-radius: var(--radius-sm);
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .page-hero {
    padding: 80px 0 60px;
  }

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

  .page-hero p {
    font-size: 16px;
  }

  .section-head h2 {
    font-size: 28px;
  }

  .stat-number {
    font-size: 36px;
  }

  .stat-item::after {
    display: none;
  }

  .content-row {
    flex-direction: column;
  }

  .content-thumb {
    width: 100%;
    min-width: 0;
    height: 180px;
  }

  .cta-inner h2 {
    font-size: 28px;
  }

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

@media screen and (max-width: 520px) {
  .grid-container,
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .page-hero h1 {
    font-size: 28px;
  }

  .hero-badges {
    flex-direction: column;
  }

  .badge {
    align-self: flex-start;
  }

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

  .nav-container {
    gap: 12px;
  }

  .brand-logo {
    font-size: 20px;
  }

  .feature-card {
    padding: 28px 22px;
  }

  .card-body {
    padding: 20px;
  }

  .stat-number {
    font-size: 30px;
  }
}

/* roulang page: category3 */
:root {
  --primary: #0f6b3a;
  --primary-dark: #0a4d2a;
  --primary-light: #e8f5ee;
  --secondary: #f59e0b;
  --secondary-light: #fef3e2;
  --dark: #0f172a;
  --text: #1e293b;
  --text-weak: #64748b;
  --bg: #f8fafc;
  --white: #ffffff;
  --border: #e2e8f0;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(15, 107, 58, 0.08);
  --shadow-hover: 0 14px 36px rgba(15, 107, 58, 0.16);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
  margin: 0;
  padding: 0;
}

.grid-container {
  max-width: 1220px;
  padding-left: 20px;
  padding-right: 20px;
}

.section {
  padding: 92px 0;
  position: relative;
}

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

.section-head {
  text-align: center;
  margin-bottom: 52px;
}

.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 50px;
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--dark);
  margin: 0 0 10px;
  letter-spacing: -0.5px;
}

.section-head p {
  color: var(--text-weak);
  font-size: 15px;
  max-width: 660px;
  margin: 0 auto;
  line-height: 1.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  background: transparent;
}

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

.btn-white:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.16);
}

.btn-outline-white {
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  transform: translateY(-3px);
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  box-shadow: 0 2px 18px rgba(15, 23, 42, 0.06);
}

.header-top {
  background: #fff;
}

.header-top-inner {
  display: flex;
  align-items: center;
  gap: 30px;
  padding: 18px 0;
}

.brand-logo {
  font-size: 28px;
  font-weight: 900;
  color: var(--dark);
  text-decoration: none;
  letter-spacing: -0.5px;
  white-space: nowrap;
  line-height: 1;
}

.brand-logo span {
  color: var(--primary);
  position: relative;
}

.search-wrap {
  flex: 1;
  display: flex;
  justify-content: center;
}

.search-form {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 560px;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 50px;
  padding: 7px 7px 7px 18px;
  transition: var(--transition);
}

.search-form:focus-within {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(15, 107, 58, 0.1);
}

.search-form .search-icon {
  color: var(--text-weak);
  font-size: 14px;
  margin-right: 10px;
}

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

.search-form input::placeholder {
  color: var(--text-weak);
}

.search-form button {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.search-form button:hover {
  background: var(--primary-dark);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 12px;
  font-size: 18px;
  color: var(--dark);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--transition);
}

.menu-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.main-nav {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
}

.nav-list {
  display: flex;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-item {
  margin: 0;
}

.nav-link {
  display: block;
  padding: 16px 22px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  border-bottom: 3px solid transparent;
  transition: var(--transition);
  margin-bottom: -1px;
}

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

.nav-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 700;
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  padding: 116px 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  text-align: center;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 77, 42, 0.92) 0%, rgba(15, 107, 58, 0.76) 100%);
}

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

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
  padding: 7px 20px;
  border-radius: 50px;
  font-size: 13px;
  letter-spacing: 2px;
  font-weight: 600;
  margin-bottom: 22px;
}

.page-hero h1 {
  color: #fff;
  font-size: 42px;
  font-weight: 900;
  letter-spacing: 1px;
  line-height: 1.3;
  margin: 0 0 14px;
}

.hero-desc {
  color: rgba(255, 255, 255, 0.92);
  font-size: 17px;
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.7;
}

.hero-search-form {
  display: flex;
  align-items: center;
  max-width: 580px;
  margin: 34px auto 0;
  background: #fff;
  border-radius: 60px;
  padding: 6px 6px 6px 22px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
  gap: 10px;
}

.hero-search-form .fa-search {
  color: var(--text-weak);
  font-size: 15px;
}

.hero-search-form input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 15px;
  background: transparent;
  min-width: 0;
}

.hero-search-form input::placeholder {
  color: var(--text-weak);
}

.hero-search-form button {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 13px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.hero-search-form button:hover {
  background: var(--primary-dark);
}

/* ===== Category Cards ===== */
.faq-cats {
  background: #fff;
}

.cat-card {
  display: block;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  text-decoration: none;
  color: var(--text);
  transition: var(--transition);
  height: 100%;
}

.cat-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.cat-card img {
  width: 100%;
  height: 212px;
  object-fit: cover;
  display: block;
}

.cat-info {
  padding: 26px;
}

.cat-info h3 {
  font-size: 19px;
  font-weight: 800;
  color: var(--dark);
  margin: 0 0 8px;
}

.cat-info p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 18px;
}

.cat-link {
  font-weight: 700;
  color: var(--primary);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

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

/* ===== FAQ Accordion ===== */
.faq-accordion {
  background: var(--bg);
}

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

.accordion-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.accordion-item.active {
  border-color: var(--primary);
  box-shadow: 0 10px 34px rgba(15, 107, 58, 0.1);
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 26px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  transition: var(--transition);
  user-select: none;
}

.accordion-header:hover {
  color: var(--primary);
}

.accordion-header .icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: var(--transition);
}

.accordion-item.active .accordion-header .icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.36s ease;
}

.accordion-content-inner {
  padding: 0 26px 24px;
  color: var(--text-weak);
  line-height: 1.8;
  font-size: 15px;
  border-top: 1px dashed var(--border);
  padding-top: 18px;
  margin: 0 8px;
}

/* ===== Hot Topics ===== */
.hot-topics {
  background: #fff;
}

.hot-list {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hot-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

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

.hot-item:hover {
  background: var(--primary-light);
  padding-left: 30px;
}

.hot-num {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 800;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hot-item:nth-child(-n+3) .hot-num {
  background: var(--primary);
  color: #fff;
}

.hot-link {
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  flex: 1;
  line-height: 1.5;
  transition: var(--transition);
}

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

.hot-item .fa-angle-right {
  color: var(--text-weak);
  font-size: 14px;
  transition: var(--transition);
}

.hot-item:hover .fa-angle-right {
  color: var(--primary);
  transform: translateX(4px);
}

.help-side-card {
  background: var(--primary-light);
  border-radius: var(--radius);
  padding: 30px;
  text-align: center;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.help-side-card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 20px;
}

.help-side-card h3 {
  font-size: 20px;
  color: var(--dark);
  margin-bottom: 8px;
  font-weight: 800;
}

.help-side-card p {
  color: var(--text-weak);
  font-size: 14px;
  margin-bottom: 20px;
  line-height: 1.6;
}

.help-side-card .btn {
  background: var(--primary);
  color: #fff;
  border-radius: 50px;
  padding: 12px 28px;
  font-size: 14px;
  font-weight: 700;
  justify-content: center;
  transition: var(--transition);
}

.help-side-card .btn:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(15, 107, 58, 0.2);
}

/* ===== Tag Cloud ===== */
.faq-tags {
  background: var(--bg);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.tag-chip i {
  color: var(--primary);
  font-size: 13px;
}

.tag-chip:hover {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(15, 107, 58, 0.18);
}

.tag-chip:hover i {
  color: #fff;
}

/* ===== Stats ===== */
.stats-section {
  position: relative;
  padding: 90px 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 77, 42, 0.93);
}

.stats-section .grid-container {
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  color: #fff;
  padding: 30px 20px;
}

.stat-num {
  font-size: 46px;
  font-weight: 900;
  line-height: 1.2;
  color: #fff;
  letter-spacing: -1px;
}

.stat-label {
  font-size: 15px;
  opacity: 0.85;
  margin-top: 8px;
  letter-spacing: 0.5px;
}

.stat-item i {
  font-size: 28px;
  color: var(--secondary);
  margin-bottom: 12px;
  display: inline-block;
}

/* ===== Help CTA ===== */
.help-cta {
  position: relative;
  padding: 96px 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
}

.help-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 77, 42, 0.95) 0%, rgba(15, 107, 58, 0.88) 100%);
}

.cta-box {
  position: relative;
  text-align: center;
  color: #fff;
  max-width: 780px;
  margin: 0 auto;
}

.cta-box h3 {
  color: #fff;
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-box p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  margin: 0 auto 32px;
  line-height: 1.7;
  max-width: 600px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-tel {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  font-size: 15px;
  margin-top: 26px;
  flex-wrap: wrap;
}

.cta-tel a {
  color: #fff;
  font-weight: 700;
  font-size: 18px;
}

.cta-tel a:hover {
  color: var(--secondary);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.footer-main {
  padding-top: 72px;
  padding-bottom: 52px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
}

.footer-brand .brand-logo {
  font-size: 26px;
  color: #fff;
  display: inline-block;
}

.footer-brand .brand-logo span {
  color: var(--secondary);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.8;
  margin-top: 18px;
  max-width: 300px;
  font-size: 14px;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 20px;
  font-weight: 700;
  position: relative;
}

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

.footer-col li {
  margin-bottom: 12px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  transition: var(--transition);
  font-size: 14px;
}

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

.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 12px;
  line-height: 1.5;
}

.footer-contact-list i {
  color: var(--secondary);
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
  text-align: center;
  color: rgba(255, 255, 255, 0.4);
  font-size: 13px;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .header-top-inner {
    gap: 16px;
  }

  .search-form {
    max-width: 420px;
  }

  .nav-link {
    padding: 15px 14px;
    font-size: 14px;
  }

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

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

@media (max-width: 768px) {
  .header-top-inner {
    flex-wrap: wrap;
    padding: 14px 0;
    gap: 14px;
  }

  .brand-logo {
    font-size: 24px;
    margin-right: auto;
  }

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

  .search-wrap {
    order: 3;
    width: 100%;
    flex: 0 0 100%;
  }

  .search-form {
    max-width: 100%;
  }

  .main-nav {
    display: none;
    border-top: none;
  }

  .main-nav.nav-open {
    display: block;
    border-top: 1px solid var(--border);
  }

  .nav-list {
    flex-direction: column;
    padding: 8px 0;
  }

  .nav-link {
    padding: 14px 20px;
    border-bottom: none;
    border-left: 3px solid transparent;
    margin: 0;
  }

  .nav-link.active {
    border-bottom: none;
    border-left-color: var(--primary);
    background: var(--primary-light);
  }

  .section {
    padding: 64px 0;
  }

  .page-hero {
    padding: 76px 0;
  }

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

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

  .hero-search-form {
    padding: 5px 5px 5px 16px;
  }

  .hero-search-form button {
    padding: 11px 20px;
    font-size: 14px;
  }

  .section-head h2 {
    font-size: 27px;
  }

  .stats-section {
    background-attachment: scroll;
  }

  .stat-num {
    font-size: 36px;
  }

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

  .cta-box h3 {
    font-size: 26px;
  }

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

  .accordion-content-inner {
    padding: 16px 18px 20px;
  }

  .hot-item {
    padding: 15px 16px;
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 520px) {
  .grid-container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-top-inner {
    gap: 10px;
  }

  .brand-logo {
    font-size: 22px;
  }

  .menu-toggle {
    width: 40px;
    height: 40px;
  }

  .search-form {
    padding: 6px 6px 6px 14px;
  }

  .search-form button {
    padding: 9px 16px;
    font-size: 13px;
  }

  .page-hero h1 {
    font-size: 26px;
  }

  .page-hero {
    padding: 60px 0;
  }

  .hero-search-form {
    flex-wrap: wrap;
    border-radius: 24px;
    padding: 12px;
  }

  .hero-search-form input {
    width: 100%;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 8px;
  }

  .hero-search-form button {
    width: 100%;
  }

  .section-head h2 {
    font-size: 24px;
  }

  .cat-card img {
    height: 180px;
  }

  .stat-num {
    font-size: 30px;
  }

  .tag-chip {
    padding: 9px 16px;
    font-size: 13px;
  }

  .footer-main {
    padding-top: 52px;
    padding-bottom: 36px;
  }

  .cta-box h3 {
    font-size: 22px;
  }
}