/* roulang page: index */
:root {
  --primary: #C8102E;
  --primary-dark: #8B0D20;
  --accent: #D4A24C;
  --bg: #F7F5F0;
  --surface: #FFFFFF;
  --text: #1A1A1A;
  --muted: #6B6258;
  --border: #E8E2D9;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 30px rgba(0,0,0,0.06);
  --shadow-lift: 0 14px 36px rgba(0,0,0,0.10);
  --section-space: 96px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

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

.brand {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  white-space: nowrap;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  position: relative;
  padding: 8px 2px;
  font-size: 15px;
  color: var(--muted);
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.nav-link.active {
  color: var(--text);
  font-weight: 600;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  color: var(--text);
}

.mobile-menu {
  display: none;
  border-top: 1px solid var(--border);
  padding: 16px 24px 24px;
  background: #fff;
}

.mobile-menu a {
  display: block;
  padding: 12px 8px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius-sm);
}

.mobile-menu a:hover {
  background: var(--bg);
}

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

.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(0, 0, 0, 0.78) 0%, rgba(0, 0, 0, 0.55) 55%, rgba(0, 0, 0, 0.30) 100%);
}

.hero-content {
  position: relative;
  z-index: 10;
  padding-top: 96px;
  padding-bottom: 96px;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  backdrop-filter: blur(4px);
}

.hero h1 {
  margin: 22px 0 16px;
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #fff;
}

.hero p {
  font-size: 17px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.88);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.80);
  font-size: 14px;
}

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

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.10em;
  color: var(--primary);
  font-weight: 700;
}

.section-tag::before {
  content: "";
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}

.section-head h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 800;
  margin: 12px 0 10px;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.section-head p {
  color: var(--muted);
  font-size: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 13px 28px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 1px solid transparent;
  line-height: 1.4;
}

.btn:focus-visible {
  outline: 3px solid rgba(200, 16, 46, 0.35);
  outline-offset: 2px;
}

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

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

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

.btn-ghost {
  background: rgba(255, 255, 255, 0.10);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.48);
  backdrop-filter: blur(4px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--accent);
  color: #1A1A1A;
}

.btn-accent:hover {
  background: #c49436;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 15px;
  transition: gap 0.2s ease, color 0.2s ease;
}

.text-link:hover {
  gap: 10px;
  color: var(--primary-dark);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.intro-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
  position: relative;
}

.intro-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.intro-content h2 {
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin: 12px 0 16px;
}

.intro-content p {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 20px;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  font-size: 15px;
  color: var(--text);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='white' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 8.5L6.5 12L13 5'/%3E%3C/svg%3E") center / 10px no-repeat;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: #FDEBED;
  color: var(--primary);
  border: 1px solid #F5C6CD;
}

.badge-gold {
  background: #FBF3E4;
  color: #8A6A24;
  border-color: #E9D6AB;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.step-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lift);
}

.step-num {
  font-size: 44px;
  font-weight: 800;
  color: var(--primary);
  opacity: 0.14;
  line-height: 1;
  margin-bottom: 12px;
}

.step-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 10px;
}

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

.category-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.category-media {
  min-height: 320px;
  overflow: hidden;
}

.category-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.category-content {
  padding: 40px 48px 40px 0;
}

.category-content h2 {
  font-size: 28px;
  font-weight: 800;
  margin: 12px 0 12px;
  letter-spacing: -0.02em;
}

.category-content p {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 24px;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.news-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 28px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: rgba(200, 16, 46, 0.24);
}

.news-card .badge {
  margin-bottom: 14px;
}

.news-card h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  margin: 0 0 10px;
}

.news-card p {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card time {
  font-size: 13px;
  color: #9A9085;
}

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

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.stat-num {
  font-size: 42px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.stat-label {
  margin-top: 10px;
  font-size: 15px;
  color: var(--muted);
  font-weight: 500;
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item[open] {
  border-color: rgba(200, 16, 46, 0.28);
  box-shadow: var(--shadow-card);
}

.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  transition: color 0.2s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 24px;
  font-weight: 400;
  color: var(--primary);
  flex-shrink: 0;
  transition: transform 0.25s ease;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: "−";
}

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

.faq-item p {
  padding: 0 24px 22px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.cta {
  position: relative;
  background-size: cover;
  background-position: center;
  overflow: hidden;
  padding: 100px 0;
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(0, 0, 0, 0.82) 0%, rgba(0, 0, 0, 0.60) 60%, rgba(0, 0, 0, 0.40) 100%);
}

.cta-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-content h2 {
  color: #fff;
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 800;
  margin: 0 0 14px;
  letter-spacing: -0.02em;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  margin-bottom: 30px;
}

.footer {
  background: #151312;
  color: rgba(255, 255, 255, 0.72);
  padding: 72px 0 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
  margin-bottom: 28px;
}

.footer-brand .brand {
  color: #fff;
  font-size: 20px;
}

.footer-brand p {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.56);
  max-width: 360px;
}

.footer-links h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 16px;
}

.footer-links a {
  display: block;
  padding: 5px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.56);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.42);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.58);
}

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

@media (max-width: 1024px) {
  :root {
    --section-space: 80px;
  }

  .intro-grid {
    gap: 40px;
  }

  .category-card {
    grid-template-columns: 1fr;
  }

  .category-media {
    min-height: 260px;
    max-height: 320px;
  }

  .category-content {
    padding: 8px 32px 36px;
  }

  .stats-grid {
    gap: 16px;
  }
}

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

  .site-header {
    height: auto;
  }

  .nav-links {
    display: none;
  }

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

  .mobile-menu.open {
    display: block;
  }

  .hero {
    min-height: 540px;
  }

  .hero-content {
    padding-top: 64px;
    padding-bottom: 64px;
  }

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

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

  .hero-meta {
    gap: 12px;
    font-size: 13px;
  }

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

  .intro-media {
    order: 2;
  }

  .intro-content {
    order: 1;
  }

  .check-list {
    grid-template-columns: 1fr 1fr;
  }

  .grid-3 {
    grid-template-columns: 1fr;
    gap: 18px;
  }

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

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

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

  .cta {
    padding: 72px 0;
  }

  .section-head p {
    font-size: 15px;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .check-list {
    grid-template-columns: 1fr;
  }

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

  .category-content {
    padding: 8px 22px 30px;
  }

  .category-content h2 {
    font-size: 24px;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .hero-meta {
    flex-direction: column;
    gap: 6px;
  }
}

/* roulang page: category1 */
:root {
      --brand: #9A1B2B;
      --brand-dark: #7E1422;
      --brand-light: #F9ECEE;
      --gold: #B58A4F;
      --gold-dark: #8F6B39;
      --ink: #1A1D24;
      --muted: #6E747D;
      --bg: #FBF9F6;
      --bg-alt: #F3EFE9;
      --line: #E6E1DB;
      --white: #FFFFFF;
      --radius: 16px;
      --radius-sm: 10px;
      --shadow: 0 4px 24px rgba(26, 29, 36, 0.06);
      --shadow-lg: 0 12px 40px rgba(26, 29, 36, 0.10);
      --header-h: 72px;
      --section-space: 96px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body.site-body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.7;
      color: var(--ink);
      background: var(--bg);
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; }
    a { text-decoration: none; color: inherit; }
    button { background: none; border: none; cursor: pointer; }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    @media (max-width: 768px) {
      .container { padding: 0 20px; }
    }

    /* ========== Header / Nav ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--line);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: var(--header-h);
    }
    .brand {
      font-size: 1.18rem;
      font-weight: 700;
      letter-spacing: 0.02em;
      color: var(--ink);
      display: inline-flex;
      align-items: center;
      gap: 10px;
      line-height: 1;
    }
    .brand::before {
      content: '';
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--brand);
      box-shadow: 0 0 0 4px var(--brand-light);
      flex-shrink: 0;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .nav-link {
      position: relative;
      padding: 10px 16px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--ink);
      border-radius: 8px;
      transition: color .2s, background .2s;
    }
    .nav-link:hover {
      color: var(--brand);
      background: var(--brand-light);
    }
    .nav-link.active {
      color: var(--brand);
      font-weight: 600;
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 4px;
      height: 2px;
      background: var(--brand);
      border-radius: 2px;
    }
    .nav-toggle {
      display: none;
      font-size: 1.2rem;
      color: var(--ink);
      padding: 8px 10px;
      border-radius: 8px;
      transition: background .2s;
    }
    .nav-toggle:hover { background: var(--bg-alt); }

    @media (max-width: 768px) {
      .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
      .nav-links {
        position: absolute;
        top: var(--header-h);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        background: var(--white);
        border-bottom: 1px solid var(--line);
        padding: 10px 20px 16px;
        display: none;
        box-shadow: 0 24px 40px rgba(26, 29, 36, 0.06);
      }
      .nav-links.open { display: flex; }
      .nav-link { padding: 12px 14px; }
      .nav-link.active::after { display: none; }
      .nav-link.active { background: var(--brand-light); border-radius: 8px; }
    }

    /* ========== Buttons ========== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      font-weight: 500;
      transition: all .2s ease;
      cursor: pointer;
      border: 1px solid transparent;
      line-height: 1.4;
    }
    .btn-primary { background: var(--brand); color: #fff; }
    .btn-primary:hover {
      background: var(--brand-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(154, 27, 43, 0.25);
    }
    .btn-outline-light {
      border-color: rgba(255, 255, 255, 0.6);
      color: #fff;
      background: transparent;
    }
    .btn-outline-light:hover {
      background: var(--white);
      color: var(--brand-dark);
      border-color: transparent;
      transform: translateY(-2px);
    }
    .btn-outline {
      border-color: var(--line);
      color: var(--ink);
      background: var(--white);
    }
    .btn-outline:hover {
      border-color: var(--brand);
      color: var(--brand);
      background: var(--brand-light);
    }
    .btn:focus-visible {
      outline: 3px solid rgba(154, 27, 43, 0.35);
      outline-offset: 2px;
    }

    /* ========== Hero ========== */
    .page-hero {
      position: relative;
      min-height: 480px;
      display: flex;
      align-items: center;
      background-size: cover;
      background-position: center;
      color: #fff;
      padding: 80px 0;
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(100deg, rgba(16, 18, 22, 0.82) 0%, rgba(16, 18, 22, 0.50) 100%);
    }
    .hero-content {
      position: relative;
      z-index: 1;
      max-width: 720px;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.14);
      border: 1px solid rgba(255, 255, 255, 0.25);
      font-size: 0.85rem;
      letter-spacing: 0.05em;
      margin-bottom: 20px;
    }
    .page-hero h1 {
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 700;
      line-height: 1.2;
      margin: 0 0 20px;
      letter-spacing: 0.01em;
    }
    .page-hero p {
      font-size: 1.05rem;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.85);
      margin: 0 0 32px;
      max-width: 600px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    /* ========== Section ========== */
    .section { padding: var(--section-space) 0; }
    .section-alt { background: var(--bg-alt); }
    .section-head {
      text-align: center;
      max-width: 640px;
      margin: 0 auto 56px;
    }
    .section-tag {
      display: inline-block;
      padding: 6px 14px;
      background: var(--brand-light);
      color: var(--brand);
      border-radius: 999px;
      font-size: 0.8rem;
      font-weight: 600;
      letter-spacing: 0.06em;
      margin-bottom: 16px;
    }
    .section-head h2 {
      font-size: clamp(1.6rem, 3vw, 2.2rem);
      font-weight: 700;
      line-height: 1.3;
      margin: 0 0 12px;
    }
    .section-head p {
      color: var(--muted);
      font-size: 1rem;
      line-height: 1.7;
      margin: 0;
    }

    /* ========== Card ========== */
    .card {
      background: var(--white);
      border-radius: var(--radius);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }
    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(154, 27, 43, 0.18);
    }
    .card-icon {
      width: 48px;
      height: 48px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      background: var(--brand-light);
      color: var(--brand);
      font-size: 1.2rem;
      margin-bottom: 18px;
    }
    .card h3 {
      font-size: 1.05rem;
      font-weight: 600;
      margin: 0 0 10px;
    }
    .card p {
      color: var(--muted);
      font-size: 0.95rem;
      line-height: 1.7;
      margin: 0;
    }

    /* ========== Stats ========== */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 56px;
    }
    .stat-card {
      background: var(--white);
      border-radius: var(--radius);
      border: 1px solid var(--line);
      text-align: center;
      padding: 30px 20px;
      box-shadow: var(--shadow);
      transition: transform .2s, box-shadow .2s;
    }
    .stat-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-lg);
    }
    .stat-num {
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--brand);
      line-height: 1.1;
    }
    .stat-num span {
      font-size: 1rem;
      font-weight: 500;
      color: var(--muted);
      margin-left: 4px;
    }
    .stat-label {
      margin-top: 8px;
      color: var(--muted);
      font-size: 0.9rem;
    }
    @media (max-width: 768px) {
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
    }

    /* ========== Timeline ========== */
    .timeline {
      position: relative;
      max-width: 800px;
      margin: 0 auto;
    }
    .timeline::before {
      content: '';
      position: absolute;
      left: 37px;
      top: 24px;
      bottom: 24px;
      width: 2px;
      background: linear-gradient(to bottom, var(--brand), var(--gold));
    }
    .timeline-item {
      position: relative;
      display: flex;
      gap: 24px;
      padding: 0 0 40px 0;
    }
    .timeline-item:last-child { padding-bottom: 0; }
    .timeline-num {
      flex: 0 0 76px;
      height: 76px;
      border-radius: 50%;
      background: var(--bg-alt);
      border: 2px solid var(--brand);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--brand);
      z-index: 1;
      box-shadow: 0 0 0 6px var(--bg-alt);
    }
    .timeline-content {
      flex: 1;
      background: var(--white);
      border-radius: var(--radius);
      border: 1px solid var(--line);
      padding: 24px 28px;
      box-shadow: var(--shadow);
      transition: box-shadow .2s;
    }
    .timeline-content:hover { box-shadow: var(--shadow-lg); }
    .timeline-content h3 {
      font-size: 1.1rem;
      font-weight: 600;
      margin: 0 0 8px;
    }
    .timeline-content p {
      color: var(--muted);
      font-size: 0.95rem;
      line-height: 1.7;
      margin: 0;
    }
    @media (max-width: 768px) {
      .timeline::before { left: 29px; }
      .timeline-item { gap: 16px; }
      .timeline-num { flex-basis: 60px; height: 60px; font-size: 1.1rem; }
      .timeline-content { padding: 20px; }
    }

    /* ========== Checklist ========== */
    .checklist-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .checklist-card {
      background: var(--white);
      border-radius: var(--radius);
      border: 1px solid var(--line);
      padding: 28px 24px;
      box-shadow: var(--shadow);
      transition: transform .2s, box-shadow .2s, border-color .2s;
    }
    .checklist-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(181, 138, 79, 0.35);
    }
    .checklist-card .card-icon {
      background: #F4EDE3;
      color: var(--gold-dark);
    }
    .checklist-card h3 {
      font-size: 1rem;
      font-weight: 600;
      margin: 0 0 8px;
    }
    .checklist-card p {
      color: var(--muted);
      font-size: 0.9rem;
      line-height: 1.7;
      margin: 0;
    }
    @media (max-width: 1024px) {
      .checklist-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 520px) {
      .checklist-grid { grid-template-columns: 1fr; }
    }

    /* ========== Notice List ========== */
    .notice-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      max-width: 960px;
      margin: 0 auto;
    }
    .notice-item {
      display: flex;
      gap: 14px;
      background: var(--white);
      border-radius: var(--radius-sm);
      border: 1px solid var(--line);
      padding: 20px;
      transition: border-color .2s, box-shadow .2s;
    }
    .notice-item:hover {
      border-color: var(--gold);
      box-shadow: var(--shadow);
    }
    .notice-icon {
      flex: 0 0 40px;
      height: 40px;
      border-radius: 10px;
      background: var(--brand-light);
      color: var(--brand);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }
    .notice-item p {
      margin: 0;
      font-size: 0.95rem;
      line-height: 1.7;
      color: var(--ink);
    }
    @media (max-width: 768px) {
      .notice-list { grid-template-columns: 1fr; }
    }

    /* ========== FAQ ========== */
    .faq-list {
      max-width: 760px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      overflow: hidden;
      transition: box-shadow .2s;
    }
    .faq-item[open] { box-shadow: var(--shadow); }
    .faq-item summary {
      padding: 20px 24px;
      cursor: pointer;
      font-weight: 600;
      font-size: 1rem;
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      transition: color .2s;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after {
      content: '+';
      font-size: 1.5rem;
      font-weight: 400;
      color: var(--brand);
      transition: transform .25s;
      flex-shrink: 0;
      line-height: 1;
    }
    .faq-item[open] summary::after { transform: rotate(45deg); }
    .faq-item[open] summary { color: var(--brand); }
    .faq-answer {
      padding: 0 24px 20px;
      color: var(--muted);
      font-size: 0.95rem;
      line-height: 1.7;
    }
    .faq-answer p { margin: 0; }

    /* ========== Content Card ========== */
    .content-card {
      background: var(--white);
      border-radius: var(--radius);
      border: 1px solid var(--line);
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: transform .25s, box-shadow .25s;
    }
    .content-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }
    .content-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      transition: transform .5s ease;
    }
    .content-card:hover img { transform: scale(1.03); }
    .content-card-body { padding: 24px; }
    .content-card-body h3 {
      font-size: 1.05rem;
      font-weight: 600;
      margin: 0 0 10px;
    }
    .content-card-body p {
      color: var(--muted);
      font-size: 0.9rem;
      line-height: 1.7;
      margin: 0 0 16px;
    }
    .content-card-body a {
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--brand);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: gap .2s, color .2s;
    }
    .content-card-body a:hover { color: var(--brand-dark); gap: 10px; }

    /* ========== CTA ========== */
    .cta-section {
      background: linear-gradient(120deg, #14181F 0%, #2A2E35 100%);
      padding: 80px 0;
      text-align: center;
      color: #fff;
    }
    .cta-inner { max-width: 640px; margin: 0 auto; padding: 0 20px; }
    .cta-inner h2 {
      font-size: clamp(1.6rem, 3vw, 2.2rem);
      font-weight: 700;
      margin: 0 0 16px;
    }
    .cta-inner p {
      color: rgba(255, 255, 255, 0.7);
      font-size: 1rem;
      line-height: 1.7;
      margin: 0 0 32px;
    }
    .cta-actions {
      display: flex;
      justify-content: center;
      gap: 14px;
      flex-wrap: wrap;
    }

    /* ========== Footer ========== */
    .footer {
      background: var(--ink);
      color: rgba(255, 255, 255, 0.7);
      padding: 64px 0 32px;
    }
    .footer-top {
      display: flex;
      justify-content: space-between;
      gap: 40px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      margin-bottom: 24px;
    }
    .footer-brand { max-width: 360px; }
    .footer-brand .brand {
      color: #fff;
      font-size: 1.2rem;
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 14px;
      line-height: 1;
    }
    .footer-brand .brand::before {
      content: '';
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--brand);
      box-shadow: 0 0 0 4px rgba(154, 27, 43, 0.3);
    }
    .footer-brand p {
      font-size: 0.9rem;
      line-height: 1.7;
      margin: 0;
    }
    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links h4 {
      color: #fff;
      font-size: 1rem;
      font-weight: 600;
      margin: 0 0 6px;
    }
    .footer-links a {
      color: rgba(255, 255, 255, 0.6);
      font-size: 0.9rem;
      transition: color .2s;
    }
    .footer-links a:hover { color: #fff; }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
    }
    .footer-bottom p {
      margin: 0;
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.45);
    }
    @media (max-width: 768px) {
      .footer-top {
        flex-direction: column;
        gap: 32px;
      }
      .footer-bottom { flex-direction: column; }
    }

    /* ========== Responsive Spacing ========== */
    @media (max-width: 1024px) {
      :root { --section-space: 80px; }
    }
    @media (max-width: 768px) {
      :root { --section-space: 64px; }
    }
    @media (max-width: 520px) {
      :root { --section-space: 52px; }
      .page-hero { min-height: 420px; padding: 56px 0; }
      .hero-actions .btn { width: 100%; }
    }

/* roulang page: article */
:root {
    --brand: #8E1F3D;
    --brand-dark: #6E162E;
    --brand-ink: #0F0A0C;
    --gold: #C7A05A;
    --gold-light: #E5C792;
    --gold-soft: #F5EBD8;
    --bg: #F6F3EE;
    --surface: #FFFFFF;
    --surface-dark: #17110F;
    --text: #201C1A;
    --text-weak: #776E68;
    --border: #E6DED5;
    --radius: 18px;
    --radius-sm: 10px;
    --shadow: 0 12px 32px rgba(30, 10, 12, 0.07);
    --shadow-hover: 0 22px 48px rgba(30, 10, 12, 0.14);
    --transition: all 0.3s ease;
    --font-display: "Georgia", "Songti SC", "STSong", serif;
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

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

button {
    font: inherit;
    cursor: pointer;
}

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

/* 头部导航 */
.header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 74px;
}

.brand {
    font-family: var(--font-display);
    font-size: 1.32rem;
    font-weight: 700;
    color: var(--brand);
    letter-spacing: 0.02em;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.brand::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--gold);
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 34px;
}

.nav-link {
    position: relative;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-weak);
    padding: 8px 2px;
    letter-spacing: 0.02em;
    transition: color var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--brand);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

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

.nav-link:hover::after {
    transform: scaleX(1);
}

.nav-link.active {
    color: var(--brand);
    font-weight: 600;
}

.nav-link.active::after {
    transform: scaleX(1);
}

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: border-color var(--transition), background var(--transition);
}

.nav-toggle:hover {
    border-color: var(--brand);
    background: rgba(142, 31, 61, 0.05);
}

/* 页内横幅 */
.page-banner {
    position: relative;
    background-position: center;
    background-size: cover;
    padding: 74px 0 88px;
    color: #fff;
    isolation: isolate;
}

.page-banner::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(15, 10, 12, 0.82) 0%, rgba(15, 10, 12, 0.52) 60%, rgba(120, 50, 60, 0.30) 100%);
    z-index: -1;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.85);
    transition: color 0.3s;
}

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

.breadcrumb-sep {
    opacity: 0.5;
}

.banner-badge {
    margin-bottom: 14px;
}

.banner-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.25;
    max-width: 820px;
    margin-top: 12px;
}

.banner-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 18px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.78);
}

.banner-meta-item i {
    margin-right: 6px;
    color: var(--gold-light);
}

/* 徽章 */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-weak);
    white-space: nowrap;
}

.badge-accent {
    background: var(--gold);
    color: #4A360F;
    border-color: transparent;
}

.badge-dark {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
}

/* 文章主体布局 */
.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 48px;
    padding-top: 48px;
    padding-bottom: 80px;
    align-items: start;
}

.article-main {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 42px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.7);
}

.post-lead {
    border-left: 4px solid var(--gold);
    background: var(--gold-soft);
    padding: 18px 22px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 32px;
}

.post-content {
    font-size: 1.05rem;
    line-height: 1.9;
    color: #2A2E2C;
}

.post-content h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    margin: 2.5rem 0 1rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--border);
}

.post-content h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin: 2rem 0 0.75rem;
}

.post-content p {
    margin-bottom: 1.4rem;
}

.post-content ul,
.post-content ol {
    margin: 0 0 1.4rem 1.4rem;
    list-style-position: outside;
}

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

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

.post-content li {
    margin-bottom: 0.5rem;
}

.post-content blockquote {
    border-left: 4px solid var(--gold);
    background: var(--gold-soft);
    padding: 1rem 1.5rem;
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 1.5rem 0;
    color: var(--text-weak);
}

.post-content img {
    border-radius: var(--radius);
    margin: 1.5rem 0;
}

.post-content a {
    color: var(--brand);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.post-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.post-bottom-text {
    font-size: 0.85rem;
    color: var(--text-weak);
}

.not-found {
    text-align: center;
    padding: 56px 16px;
}

.not-found i {
    font-size: 3rem;
    color: var(--gold);
    margin-bottom: 18px;
}

.not-found h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    margin-bottom: 12px;
}

.not-found p {
    color: var(--text-weak);
    margin-bottom: 24px;
}

/* 侧边栏 */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 100px;
}

.sidebar-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.7);
}

.sidebar-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.sidebar-entry {
    background: var(--brand-dark);
    color: #fff;
    border: none;
}

.sidebar-entry h3 {
    border-color: rgba(255, 255, 255, 0.2);
}

.sidebar-entry p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    margin-bottom: 18px;
}

.sidebar-tips {
    list-style: none;
}

.sidebar-tips li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    padding: 9px 0;
    color: var(--text-weak);
}

.sidebar-tips i {
    color: var(--gold);
    margin-top: 4px;
}

.sidebar-list {
    list-style: none;
    display: flex;
    flex-direction: column;
}

.sidebar-list li {
    border-bottom: 1px solid var(--border);
}

.sidebar-list li:last-child {
    border-bottom: 0;
}

.sidebar-list a {
    display: block;
    padding: 12px 0;
    transition: transform var(--transition);
}

.sidebar-list a:hover .sidebar-list-title {
    color: var(--brand);
}

.sidebar-list-title {
    display: block;
    font-size: 0.92rem;
    font-weight: 500;
    line-height: 1.5;
    transition: color var(--transition);
}

.sidebar-list-meta {
    display: block;
    font-size: 0.78rem;
    color: var(--text-weak);
    margin-top: 4px;
}

.sidebar-empty {
    font-size: 0.9rem;
    color: var(--text-weak);
}

/* 按钮 */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--brand);
    color: #fff;
    font-weight: 600;
    padding: 13px 28px;
    border-radius: 999px;
    border: none;
    transition: var(--transition);
    box-shadow: 0 6px 20px rgba(142, 31, 61, 0.25);
}

.btn-primary:hover {
    background: var(--brand-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(142, 31, 61, 0.32);
}

.btn-primary:focus-visible {
    outline: 3px solid rgba(199, 160, 90, 0.5);
    outline-offset: 3px;
}

.btn-block {
    width: 100%;
}

.btn-gold {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
    color: #4A360F;
    font-weight: 700;
    padding: 14px 32px;
    border-radius: 999px;
    border: none;
    transition: var(--transition);
    box-shadow: 0 8px 24px rgba(199, 160, 90, 0.3);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(199, 160, 90, 0.4);
}

.btn-gold:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.5);
    outline-offset: 3px;
}

.btn-outline-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    font-weight: 600;
    padding: 13px 30px;
    border-radius: 999px;
    background: transparent;
    transition: var(--transition);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-light:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.4);
    outline-offset: 3px;
}

/* 板块标题 */
.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
}

.eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--brand);
    text-transform: uppercase;
    margin-bottom: 12px;
    position: relative;
    padding-left: 24px;
}

.eyebrow::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 16px;
    height: 2px;
    background: var(--gold);
    border-radius: 2px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    line-height: 1.25;
}

.section-subtitle {
    color: var(--text-weak);
    margin-top: 12px;
    font-size: 1rem;
}

.section-head-light .eyebrow {
    color: var(--gold-light);
}

.section-head-light .section-title {
    color: #fff;
}

.section-head-light .section-subtitle {
    color: rgba(255, 255, 255, 0.6);
}

/* 注册流程 */
.flow-section {
    background: var(--surface-dark);
    padding: 96px 0;
    position: relative;
    overflow: hidden;
}

.flow-section::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -80px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(199, 160, 90, 0.22), transparent 70%);
}

.flow-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    position: relative;
    z-index: 1;
}

.flow-step {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 32px 24px;
    backdrop-filter: blur(8px);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.flow-step:hover {
    transform: translateY(-6px);
    border-color: rgba(199, 160, 90, 0.45);
}

.step-num {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
    margin-bottom: 18px;
}

.flow-step h3 {
    color: #fff;
    font-size: 1.05rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.flow-step p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* 相关阅读 */
.related-section {
    padding: 96px 0;
    background: var(--bg);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.related-card {
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: block;
}

.related-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.related-card-img {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

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

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

.related-card-img .badge {
    position: absolute;
    top: 14px;
    left: 14px;
}

.related-card-body {
    padding: 24px;
}

.related-card-body h3 {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 10px;
    color: var(--text);
    transition: color 0.3s;
}

.related-card:hover .related-card-body h3 {
    color: var(--brand);
}

.related-card-body p {
    font-size: 0.88rem;
    color: var(--text-weak);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* FAQ */
.faq-section {
    padding: 96px 0;
    background: var(--surface);
}

.faq-grid {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item[open] {
    border-color: var(--gold);
    box-shadow: var(--shadow);
}

.faq-item summary {
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 22px 26px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--text);
    transition: color 0.3s;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary:hover {
    color: var(--brand);
}

.faq-item summary i {
    color: var(--gold);
    transition: transform 0.3s;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.faq-item[open] summary i {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 26px 24px;
    color: var(--text-weak);
    font-size: 0.92rem;
    line-height: 1.8;
}

/* CTA */
.cta-section {
    padding: 80px 0;
    background:
        linear-gradient(rgba(15, 10, 12, 0.84), rgba(15, 10, 12, 0.84)),
        url('/assets/images/backpic/back-3.png') center / cover no-repeat;
    color: #fff;
}

.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    flex-wrap: wrap;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    line-height: 1.3;
}

.cta-text {
    color: rgba(255, 255, 255, 0.72);
    margin-top: 10px;
    max-width: 560px;
}

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

/* 页脚 */
.footer {
    background: #141110;
    color: rgba(255, 255, 255, 0.72);
    padding-top: 72px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 56px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .brand {
    font-size: 1.4rem;
    color: #fff;
}

.footer-brand .brand::before {
    background: var(--gold);
}

.footer-brand p {
    margin-top: 16px;
    font-size: 0.9rem;
    line-height: 1.8;
    max-width: 420px;
}

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

.footer-links h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.footer-links a {
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--gold-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 24px 0;
    flex-wrap: wrap;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.45);
}

/* 响应式 */
@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .sidebar-card {
        flex: 1 1 calc(33.333% - 16px);
        min-width: 240px;
    }

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

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

@media (max-width: 768px) {
    .nav-toggle {
        display: inline-flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: min(78vw, 320px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 96px 32px 32px;
        box-shadow: -20px 0 60px rgba(0, 0, 0, 0.12);
        transform: translateX(100%);
        transition: transform 0.35s ease;
        z-index: 60;
        gap: 8px;
    }

    .nav-links.open {
        transform: translateX(0);
    }

    .nav-link {
        font-size: 1.05rem;
        padding: 14px 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
        width: 100%;
    }

    .nav-link::after {
        display: none;
    }

    .page-banner {
        padding: 56px 0 64px;
    }

    .article-main {
        padding: 28px 20px;
    }

    .article-sidebar {
        flex-direction: column;
    }

    .sidebar-card {
        flex: 1 1 100%;
        min-width: 0;
    }

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

    .cta-inner {
        flex-direction: column;
        align-items: flex-start;
    }

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

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

@media (max-width: 520px) {
    .container {
        padding: 0 16px;
    }

    .brand {
        font-size: 1.12rem;
    }

    .header-inner {
        height: 64px;
    }

    .banner-title {
        font-size: 1.55rem;
    }

    .banner-meta {
        flex-direction: column;
        gap: 8px;
    }

    .article-layout {
        padding-top: 24px;
        gap: 32px;
    }

    .article-main {
        padding: 24px 16px;
        border-radius: 14px;
    }

    .post-content {
        font-size: 1rem;
    }

    .post-content h2 {
        font-size: 1.35rem;
    }

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

    .flow-section,
    .related-section,
    .faq-section {
        padding: 64px 0;
    }

    .flow-step {
        padding: 26px 20px;
    }

    .faq-item summary {
        padding: 18px 18px;
        font-size: 0.95rem;
    }

    .faq-answer {
        padding: 0 18px 18px;
    }

    .cta-section {
        padding: 56px 0;
    }

    .cta-actions {
        flex-direction: column;
        width: 100%;
    }

    .cta-actions a {
        width: 100%;
    }

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