:root {
  --primary: #0891b2;
  --accent: #0ea5e9;
  --bg: #ecfeff;
  --text: #083344;
  --white: #ffffff;
  --shadow-heavy: 0 8px 32px rgba(8, 145, 178, 0.15), 0 2px 8px rgba(8, 145, 178, 0.08);
  --shadow-light: 0 2px 12px rgba(8, 145, 178, 0.08);
  --gradient: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* 滚动进度条 */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 4px;
  background: var(--gradient);
  z-index: 10000;
  transition: width 0.08s linear;
  box-shadow: 0 0 12px rgba(14, 165, 233, 0.5);
}

/* 导航 */
.navbar-custom {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(8, 145, 178, 0.12);
  padding: 0.75rem 0;
  box-shadow: 0 2px 16px rgba(8, 145, 178, 0.06);
  z-index: 1000;
}

.navbar-brand-custom {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text) !important;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-brand-custom i {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.8rem;
}

.navbar-nav .nav-link {
  color: var(--text);
  font-weight: 500;
  padding: 0.5rem 1.2rem !important;
  border-radius: 50px;
  transition: all 0.3s ease;
  font-size: 0.95rem;
}

.navbar-nav .nav-link:hover {
  color: var(--primary);
  background: rgba(8, 145, 178, 0.08);
  transform: translateY(-2px);
}

.navbar-toggler {
  border: none;
  font-size: 1.4rem;
  color: var(--primary);
}

/* Hero 区 */
.hero-section {
  position: relative;
  padding: 5rem 0 4rem;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(14, 165, 233, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(8, 145, 178, 0.08) 0%, transparent 50%),
    var(--bg);
}

.keyword-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
  margin-bottom: 2.5rem;
}

.keyword-tag {
  display: inline-block;
  padding: 0.5rem 1.4rem;
  background: var(--white);
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  box-shadow: var(--shadow-light);
  border: 1px solid rgba(8, 145, 178, 0.1);
  animation: float-tag 3s ease-in-out infinite;
  transition: all 0.3s ease;
}

.keyword-tag:nth-child(1) { animation-delay: 0s; }
.keyword-tag:nth-child(2) { animation-delay: 0.3s; }
.keyword-tag:nth-child(3) { animation-delay: 0.6s; }
.keyword-tag:nth-child(4) { animation-delay: 0.9s; }
.keyword-tag:nth-child(5) { animation-delay: 1.2s; }
.keyword-tag:nth-child(6) { animation-delay: 1.5s; }
.keyword-tag:nth-child(7) { animation-delay: 1.8s; }
.keyword-tag:nth-child(8) { animation-delay: 2.1s; }
.keyword-tag:nth-child(9) { animation-delay: 2.4s; }

@keyframes float-tag {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero-title {
  font-size: 3.8rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 20px rgba(8, 145, 178, 0.08);
}

.hero-title .highlight {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text);
  opacity: 0.75;
  max-width: 640px;
  margin: 0 auto;
  font-weight: 400;
}

/* 区块通用 */
.section-padding { padding: 4.5rem 0; }

.section-title-wrap {
  margin-bottom: 3rem;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 4px;
  background: var(--gradient);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text);
  opacity: 0.65;
  margin-top: 1rem;
  max-width: 600px;
}

/* 使用说明编号清单 */
.steps-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.8rem;
}

.step-card {
  background: var(--white);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-heavy);
  transition: all 0.3s ease;
  position: relative;
  border: 1px solid rgba(8, 145, 178, 0.08);
  overflow: hidden;
}

.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.step-card:hover::before {
  transform: scaleX(1);
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(8, 145, 178, 0.15);
}

.step-number {
  font-size: 3.2rem;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.step-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.step-desc {
  font-size: 0.92rem;
  color: var(--text);
  opacity: 0.7;
  line-height: 1.6;
}

/* 特色网格对比表格 */
.feature-table-section {
  background: var(--white);
  border-top: 1px solid rgba(8, 145, 178, 0.06);
  border-bottom: 1px solid rgba(8, 145, 178, 0.06);
}

.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-heavy);
  border: 1px solid rgba(8, 145, 178, 0.1);
}

.compare-table thead th {
  background: var(--gradient);
  color: var(--white);
  font-weight: 700;
  padding: 1.2rem 1.5rem;
  font-size: 1.1rem;
  text-align: center;
  border: none;
}

.compare-table thead th:first-child {
  text-align: left;
  background: var(--text);
}

.compare-table tbody td {
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid rgba(8, 145, 178, 0.08);
  text-align: center;
  font-size: 0.95rem;
}

.compare-table tbody td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--text);
}

.compare-table tbody tr:nth-child(even) {
  background: rgba(236, 254, 255, 0.5);
}

.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.check-icon {
  color: var(--primary);
  font-size: 1.2rem;
}

.cross-icon {
  color: #94a3b8;
  font-size: 1.1rem;
  opacity: 0.5;
}

.feature-stats {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.stat-item {
  text-align: center;
  padding: 1.8rem 1rem;
  background: var(--bg);
  border-radius: 16px;
  border: 1px solid rgba(8, 145, 178, 0.08);
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text);
  opacity: 0.6;
  margin-top: 0.4rem;
}

/* 长文区域 */
.article-section {
  background: var(--white);
}

.article-body {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 2;
  color: var(--text);
  opacity: 0.85;
}

.article-body p {
  margin-bottom: 1.5rem;
}

.article-body h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  opacity: 1;
}

/* FAQ */
.faq-section {
  background: var(--bg);
}

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

.faq-item {
  background: var(--white);
  border-radius: 12px;
  padding: 1.5rem 1.8rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-light);
  border: 1px solid rgba(8, 145, 178, 0.06);
  transition: all 0.3s ease;
}

.faq-item:hover {
  box-shadow: var(--shadow-heavy);
  transform: translateX(4px);
}

.faq-question {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.faq-question i {
  color: var(--primary);
  font-size: 1.1rem;
}

.faq-answer {
  font-size: 0.95rem;
  color: var(--text);
  opacity: 0.75;
  line-height: 1.7;
  padding-left: 1.85rem;
}

/* CTA */
.cta-section {
  background: var(--gradient);
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 140%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(255,255,255,0.1) 0%, transparent 70%);
  transform: rotate(15deg);
}

.cta-title {
  color: var(--white);
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.cta-desc {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.btn-shine {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-shine::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transform: skewX(-20deg);
  transition: left 0.5s ease;
}

.btn-shine:hover::after {
  left: 150%;
}

.btn-shine:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(8, 145, 178, 0.3);
}

.btn-gradient-custom {
  background: var(--white);
  color: var(--primary);
  font-weight: 700;
  padding: 0.9rem 2.5rem;
  border-radius: 50px;
  border: none;
  font-size: 1.1rem;
}

/* 友情链接 */
.friend-links {
  padding: 2.5rem 0;
  background: var(--white);
  border-top: 1px solid rgba(8, 145, 178, 0.06);
}

.friend-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.friend-links-content {
  font-size: 0.9rem;
  color: var(--text);
  opacity: 0.6;
}

/* 页脚 */
.footer {
  background: var(--text);
  color: rgba(255, 255, 255, 0.8);
  padding: 2.5rem 0;
}

.footer a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-brand {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white) !important;
  display: inline-block;
  margin-bottom: 0.8rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 1rem;
}

.footer-copy {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* 动画 */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
  animation: fadeInUp 0.8s ease forwards;
  opacity: 0;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

/* 响应式 */
@media (max-width: 768px) {
  .hero-title { font-size: 2.5rem; }
  .section-title { font-size: 1.8rem; }
  .stat-number { font-size: 2rem; }
  .compare-table { font-size: 0.85rem; }
  .feature-stats { grid-template-columns: 1fr; }
  .footer-links { flex-direction: column; gap: 0.8rem; }
}

/* --- 子页面追加 --- */
/* 确保所有组件背景跟随主题色，防止bootstrap白底 */
    .about-page .card, .about-page .list-group-item, .about-page .accordion-item,
    .about-page .form-control, .about-page .modal-content {
      background-color: var(--white);
      color: var(--text);
      border-color: rgba(8, 145, 178, 0.2);
    }
.about-page .nav-link.active {
      color: var(--primary);
      font-weight: 700;
    }
.about-page .section-title {
      color: var(--primary);
    }
.about-page .timeline-item {
      border-left: 3px solid var(--accent);
      padding-left: 1.5rem;
      position: relative;
      margin-bottom: 2rem;
    }
.about-page .timeline-item::before {
      content: '';
      width: 14px;
      height: 14px;
      background: var(--gradient);
      border-radius: 50%;
      position: absolute;
      left: -8px;
      top: 6px;
    }
.about-page .badge-soft {
      background: rgba(8, 145, 178, 0.12);
      color: var(--primary);
      font-weight: 600;
      padding: 0.35em 0.9em;
      border-radius: 30px;
    }
.about-page .keyword-tag {
      background: rgba(8, 145, 178, 0.08);
    }
.about-page .hero-subtitle {
      color: var(--text);
      opacity: 0.85;
    }
.about-page .stat-number {
      color: var(--primary);
    }

/* --- 子页面追加 --- */
/* 本页专属样式 */
        .disclaimer-hero {
            background: var(--gradient);
            padding: 80px 0 60px;
            color: var(--white);
            text-align: center;
        }
.disclaimer-hero h1 {
            font-weight: 800;
            font-size: 2.5rem;
            margin-bottom: 16px;
        }
.disclaimer-hero p {
            font-size: 1.1rem;
            opacity: 0.92;
            max-width: 700px;
            margin: 0 auto;
        }
.disclaimer-section {
            background: var(--white);
            border-radius: 12px;
            padding: 36px 40px;
            margin-bottom: 28px;
            box-shadow: var(--shadow-light);
            border: 1px solid rgba(8, 145, 178, 0.1);
        }
.disclaimer-section h2 {
            color: var(--primary);
            font-weight: 700;
            font-size: 1.45rem;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
.disclaimer-section h2 i {
            color: var(--accent);
            font-size: 1.2rem;
        }
.disclaimer-section p {
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 14px;
            font-size: 0.95rem;
        }
.disclaimer-section ul {
            padding-left: 20px;
            margin-bottom: 14px;
        }
.disclaimer-section ul li {
            color: var(--text);
            line-height: 1.8;
            font-size: 0.95rem;
            margin-bottom: 8px;
        }
.disclaimer-section ul li strong {
            color: var(--primary);
        }
.highlight-box {
            background: var(--bg);
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
        }
.highlight-box p {
            margin-bottom: 0;
        }
.last-updated {
            text-align: center;
            color: rgba(8, 51, 68, 0.6);
            font-size: 0.9rem;
            margin-top: 32px;
        }
.disclaimer-hero h1 {
                font-size: 1.8rem;
            }
.disclaimer-section {
                padding: 24px 20px;
            }
.disclaimer-hero {
                padding: 60px 0 40px;
            }

/* --- 子页面追加 --- */
/* 本页专属微调样式 */
        .guide-card {
            background: var(--white);
            border-radius: 16px;
            padding: 2rem;
            box-shadow: var(--shadow-light);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid rgba(8, 145, 178, 0.08);
            height: 100%;
        }
.guide-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-heavy);
        }
.guide-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--white);
            margin-bottom: 1.2rem;
        }
.guide-tag {
            display: inline-block;
            background: rgba(8, 145, 178, 0.1);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-right: 8px;
            margin-bottom: 8px;
        }
.step-number-lg {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--gradient);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
.faq-q {
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.6rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
.faq-q i {
            color: var(--primary);
        }
.faq-a {
            color: rgba(8, 51, 68, 0.8);
            line-height: 1.7;
            padding-left: 30px;
        }
.cta-box {
            background: var(--gradient);
            border-radius: 20px;
            padding: 3rem;
            text-align: center;
            color: var(--white);
        }
.cta-box h2 {
            color: var(--white);
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
.cta-box p {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 1.5rem;
        }
.btn-cta {
            background: var(--white);
            color: var(--primary);
            font-weight: 700;
            padding: 12px 32px;
            border-radius: 50px;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
            border: 2px solid var(--white);
        }
.btn-cta:hover {
            background: transparent;
            color: var(--white);
        }
/* 覆盖 Bootstrap 默认 */
        .card {
            background: var(--white);
            color: var(--text);
            border-color: rgba(8, 145, 178, 0.1);
        }
.nav-link:hover, .nav-link.active {
            color: var(--primary);
        }
.cta-box {
                padding: 2rem 1.5rem;
            }

/* --- 子页面追加 --- */
/* 排行榜页专属样式 */
    .rank-badge {
      background: var(--gradient);
      color: var(--white);
      font-weight: 800;
      width: 42px;
      height: 42px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      box-shadow: var(--shadow-light);
      flex-shrink: 0;
    }
.rank-item {
      background: var(--white);
      border-radius: 16px;
      padding: 20px;
      margin-bottom: 16px;
      box-shadow: var(--shadow-light);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      border: 1px solid rgba(8, 145, 178, 0.08);
    }
.rank-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-heavy);
    }
.rank-title {
      font-weight: 700;
      color: var(--text);
      font-size: 1.1rem;
      margin-bottom: 4px;
    }
.rank-meta {
      font-size: 0.85rem;
      color: #5a7d8a;
      margin-bottom: 8px;
    }
.rank-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }
.rank-tag {
      background: var(--bg);
      color: var(--primary);
      font-size: 0.75rem;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: 20px;
    }
.rank-desc {
      color: #476e7a;
      font-size: 0.9rem;
      line-height: 1.6;
      margin-top: 8px;
    }
.rank-stats {
      display: flex;
      gap: 16px;
      margin-top: 10px;
      font-size: 0.8rem;
      color: #5a7d8a;
    }
.rank-stats i {
      color: var(--accent);
      margin-right: 4px;
    }
.rank-filter-btn {
      background: var(--bg);
      color: var(--primary);
      border: 1px solid rgba(8, 145, 178, 0.2);
      border-radius: 25px;
      padding: 8px 18px;
      font-weight: 600;
      font-size: 0.85rem;
      transition: all 0.2s ease;
      cursor: pointer;
    }
.rank-filter-btn:hover, .rank-filter-btn.active {
      background: var(--gradient);
      color: var(--white);
      border-color: transparent;
    }
.rank-section-title {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--text);
      margin-bottom: 6px;
    }
.rank-section-subtitle {
      color: #5a7d8a;
      font-size: 1rem;
      margin-bottom: 24px;
    }
.rank-hero {
      background: var(--gradient);
      padding: 40px 0 48px;
      border-radius: 0 0 40px 40px;
      position: relative;
      overflow: hidden;
    }
.rank-hero::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -20%;
      width: 400px;
      height: 400px;
      background: rgba(255,255,255,0.08);
      border-radius: 50%;
    }
.rank-hero::after {
      content: '';
      position: absolute;
      bottom: -30%;
      left: -10%;
      width: 300px;
      height: 300px;
      background: rgba(255,255,255,0.06);
      border-radius: 50%;
    }
.rank-hero h1 {
      color: var(--white);
      font-weight: 800;
      font-size: 2.2rem;
      position: relative;
      z-index: 1;
    }
.rank-hero p {
      color: rgba(255,255,255,0.85);
      font-size: 1.1rem;
      position: relative;
      z-index: 1;
    }
.rank-hero .rank-hero-badge {
      background: rgba(255,255,255,0.2);
      border: 1px solid rgba(255,255,255,0.3);
      color: var(--white);
      border-radius: 25px;
      padding: 6px 16px;
      font-size: 0.8rem;
      font-weight: 600;
      display: inline-block;
      margin-bottom: 16px;
      position: relative;
      z-index: 1;
    }
.rank-tabs {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      margin-bottom: 28px;
    }
.rank-hero h1 {
        font-size: 1.6rem;
      }
.rank-hero p {
        font-size: 0.95rem;
      }
.rank-section-title {
        font-size: 1.4rem;
      }

/* --- 子页面追加 --- */
/* 联系页专属样式 */
    .contact-hero {
      background: var(--gradient);
      color: var(--white);
      padding: 80px 0 60px;
      text-align: center;
    }
.contact-hero .hero-title {
      color: var(--white);
      font-size: 2.5rem;
      font-weight: 800;
      margin-bottom: 15px;
    }
.contact-hero .hero-subtitle {
      color: rgba(255,255,255,.9);
      font-size: 1.1rem;
      max-width: 700px;
      margin: 0 auto;
    }
.contact-info-card {
      background: var(--white);
      border-radius: 16px;
      padding: 30px 25px;
      box-shadow: var(--shadow-light);
      height: 100%;
      transition: transform .3s ease, box-shadow .3s ease;
      text-align: center;
      border: 1px solid rgba(8,145,178,.1);
    }
.contact-info-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-heavy);
    }
.contact-info-icon {
      width: 60px;
      height: 60px;
      background: var(--gradient);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 20px;
      color: var(--white);
      font-size: 1.4rem;
    }
.contact-info-title {
      font-weight: 700;
      color: var(--text);
      margin-bottom: 10px;
      font-size: 1.1rem;
    }
.contact-info-text {
      color: var(--text);
      opacity: .8;
      font-size: .95rem;
      line-height: 1.7;
    }
.contact-info-text a {
      color: var(--primary);
      text-decoration: none;
      font-weight: 500;
    }
.contact-info-text a:hover {
      text-decoration: underline;
    }
.contact-form-wrap {
      background: var(--white);
      border-radius: 16px;
      padding: 40px;
      box-shadow: var(--shadow-light);
      border: 1px solid rgba(8,145,178,.1);
    }
.contact-form-wrap .form-label {
      color: var(--text);
      font-weight: 600;
      font-size: .95rem;
    }
.contact-form-wrap .form-control {
      background: var(--bg);
      border: 1px solid rgba(8,145,178,.2);
      color: var(--text);
      border-radius: 10px;
      padding: 12px 15px;
      transition: border-color .3s, box-shadow .3s;
    }
.contact-form-wrap .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(8,145,178,.15);
      background: var(--bg);
      color: var(--text);
    }
.contact-form-wrap .form-control::placeholder {
      color: rgba(8,51,68,.4);
    }
.contact-form-wrap .btn-submit {
      background: var(--gradient);
      color: var(--white);
      border: none;
      padding: 12px 35px;
      border-radius: 50px;
      font-weight: 600;
      transition: opacity .3s, transform .3s;
    }
.contact-form-wrap .btn-submit:hover {
      opacity: .9;
      transform: translateY(-2px);
    }
.faq-mini-item {
      background: var(--white);
      border-radius: 12px;
      padding: 20px 25px;
      margin-bottom: 15px;
      box-shadow: var(--shadow-light);
      border-left: 4px solid var(--primary);
    }
.faq-mini-item h5 {
      color: var(--text);
      font-weight: 600;
      font-size: 1rem;
      margin-bottom: 8px;
    }
.faq-mini-item p {
      color: var(--text);
      opacity: .8;
      font-size: .9rem;
      margin: 0;
      line-height: 1.6;
    }
.social-links-wrap {
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
    }
.social-link-item {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 48px;
      height: 48px;
      background: var(--gradient);
      color: var(--white);
      border-radius: 50%;
      font-size: 1.2rem;
      transition: transform .3s, box-shadow .3s;
    }
.social-link-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-heavy);
    }
.contact-hero { padding: 60px 0 40px; }
.contact-hero .hero-title { font-size: 1.9rem; }
.contact-form-wrap { padding: 25px 20px; }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.card-body { background:transparent !important; color:#083344 !important; }
.card-title { color:#083344 !important; }
.card-text { color:#083344 !important; }
.form-select { background-color:#fff !important; color:#083344 !important; border-color:rgba(0,0,0,.12) !important; }
.table { color:#083344 !important; border-color:rgba(0,0,0,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#083344 !important; }