/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --deep-blue: #1E3A5F;
  --bg: #F5F7FB;
  --card: #FFFFFF;
  --heading: #1F2A44;
  --body: #475569;
  --muted: #94A3B8;
  --accent: #F59E0B;
  --danger: #DC2626;
  --border: #E8EDF4;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 6px 24px rgba(37,99,235,0.06);
  --shadow-hover: 0 14px 36px rgba(30,64,175,0.12);
  --shadow-nav: 0 4px 20px rgba(30,64,175,0.08);
  --shadow-input: 0 2px 8px rgba(37,99,235,0.08);
  --transition: 0.25s ease;
  --spacer: 5rem;
  --container-w: 1280px;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--body);
  line-height: 1.75;
  font-size: 1rem;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
button { font-family: inherit; }
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}
::selection { background: rgba(37,99,235,0.15); }
::-webkit-scrollbar { width: 10px; height: 6px; }
::-webkit-scrollbar-track { background: #EDF1F7; }
::-webkit-scrollbar-thumb { background: #C4CEDA; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: #9FB0C4; }

.container { max-width: var(--container-w); padding-left: 1.25rem; padding-right: 1.25rem; }

/* ===== 按钮 ===== */
.btn {
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.625rem 1.25rem;
  transition: all var(--transition);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: center;
}
.btn i { font-size: 1.05rem; }
.btn-primary-custom {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37,99,235,0.25);
}
.btn-primary-custom:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(29,78,216,0.3);
}
.btn-primary-custom:active { transform: translateY(0); box-shadow: none; }
.btn-outline-custom {
  background: rgba(37,99,235,0.06);
  border: 1px solid rgba(37,99,235,0.25);
  color: var(--primary);
}
.btn-outline-custom:hover {
  background: rgba(37,99,235,0.1);
  border-color: var(--primary);
  color: var(--primary-dark);
  transform: translateY(-1px);
}
.btn-outline-custom:active { transform: translateY(0); }
.btn-lg { padding: 0.75rem 1.75rem; font-size: 1rem; }
.btn-sm { padding: 0.45rem 0.9rem; font-size: 0.85rem; }
.btn-full { width: 100%; }

/* ===== 徽章 / 标签 ===== */
.badge-soft {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(37,99,235,0.08);
  color: var(--primary);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(37,99,235,0.15);
}
.badge-soft::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}
.tag-pill {
  display: inline-block;
  background: #fff;
  border: 1px solid #D8E0EA;
  color: var(--body);
  font-size: 0.85rem;
  border-radius: var(--radius-pill);
  padding: 0.3rem 0.85rem;
  margin: 0.25rem 0.25rem 0.25rem 0;
  transition: all var(--transition);
  cursor: pointer;
}
.tag-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(37,99,235,0.04);
}
.tag-pill.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  padding: 0.75rem 0;
  transition: all var(--transition);
  background: transparent;
}
.site-header.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-nav);
  padding: 0.45rem 0;
}
.site-header .navbar { padding: 0; }
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--heading);
}
.navbar-brand .brand-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem;
  font-weight: 700;
  box-shadow: 0 4px 10px rgba(37,99,235,0.3);
  flex-shrink: 0;
}
.site-header:not(.scrolled) .navbar-brand,
.site-header:not(.scrolled) .nav-link {
  color: #fff;
}
.site-header:not(.scrolled) .navbar-brand .brand-icon {
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.navbar-nav { gap: 0.35rem; }
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--body);
  padding: 0.5rem 0.9rem !important;
  position: relative;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}
.site-header:not(.scrolled) .nav-link { color: rgba(255,255,255,0.85); }
.site-header:not(.scrolled) .nav-link:hover,
.site-header:not(.scrolled) .nav-link.active { color: #fff; }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0.2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
  transition: width var(--transition);
}
.site-header:not(.scrolled) .nav-link::after { background: #fff; }
.nav-link:hover::after,
.nav-link.active::after { width: 18px; }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-actions { display: flex; gap: 0.5rem; margin-left: 1rem; }
.site-header:not(.scrolled) .btn-outline-custom {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.4);
  color: #fff;
}
.site-header:not(.scrolled) .btn-outline-custom:hover {
  background: rgba(255,255,255,0.2);
  border-color: #fff;
}
.navbar-toggler { border: none; padding: 0.4rem; }
.site-header:not(.scrolled) .navbar-toggler { color: #fff; }
.site-header:not(.scrolled) .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.scrolled .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(31,42,68,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ===== Hero 首屏 ===== */
.hero {
  position: relative;
  padding-top: 10rem;
  padding-bottom: 4rem;
  min-height: 720px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url('/assets/images/backpic/back-1.jpg');
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30,58,95,0.88) 0%, rgba(37,99,235,0.55) 100%);
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.4;
}
.hero-content { position: relative; z-index: 1; color: #fff; max-width: 820px; padding: 2rem 0; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.5rem;
}
.hero-badge i { font-size: 0.9rem; }
.hero h1 {
  font-size: 2.5rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.35;
  margin-bottom: 1.25rem;
  letter-spacing: 0.01em;
}
.hero h1 .highlight { position: relative; white-space: nowrap; }
.hero h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 10px;
  background: rgba(255,255,255,0.2);
  border-radius: 4px;
  z-index: -1;
}
.hero-subtitle {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.88);
  line-height: 1.8;
  max-width: 660px;
  margin-bottom: 2rem;
}
.hero-search {
  background: #fff;
  border-radius: 14px;
  padding: 0.4rem;
  display: flex;
  align-items: center;
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
  max-width: 640px;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
}
.hero-search .search-icon {
  color: var(--muted);
  font-size: 1.1rem;
  padding-left: 0.75rem;
}
.hero-search input {
  flex: 1;
  border: none;
  outline: none;
  padding: 0.65rem 0.4rem;
  font-size: 1rem;
  background: transparent;
  color: var(--heading);
  min-width: 0;
}
.hero-search input::placeholder { color: #A5B4C3; }
.hero-search .search-type {
  border: 1px solid #E8EDF4;
  border-radius: 8px;
  background: #F8FAFC;
  color: var(--body);
  font-size: 0.85rem;
  padding: 0.4rem 0.6rem;
  width: auto;
  cursor: pointer;
  white-space: nowrap;
}
.hero-search .btn-search {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 0.6rem 1.4rem;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all var(--transition);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.hero-search .btn-search:hover { background: var(--primary-dark); }
.hot-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  color: rgba(255,255,255,0.75);
  font-size: 0.85rem;
}
.hot-tags .tag-pill {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.25);
  color: #fff;
}
.hot-tags .tag-pill:hover {
  background: rgba(255,255,255,0.22);
  border-color: #fff;
  color: #fff;
}
.hero-cta { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.hero-cta .btn-primary-custom {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.hero-cta .btn-primary-custom:hover { background: #f0f5ff; color: var(--primary-dark); transform: translateY(-1px); }
.hero-cta .btn-outline-custom {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}
.hero-cta .btn-outline-custom:hover { background: rgba(255,255,255,0.2); border-color: #fff; color: #fff; }

/* ===== 指标看板 ===== */
.hero-stats { position: relative; z-index: 1; margin-top: 1rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.2); }
.hero-stats .row { align-items: center; }
.stat-item { text-align: left; padding: 0.75rem 1rem; }
.stat-item .stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  display: flex;
  align-items: baseline;
  gap: 0.15rem;
}
.stat-item .stat-number small { font-size: 1rem; font-weight: 600; color: rgba(255,255,255,0.7); }
.stat-item .stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.7); }
.stat-divider { width: 1px; background: rgba(255,255,255,0.18); margin: 1rem 0; }

/* ===== 保障图标条 ===== */
.guarantee-bar {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 1.5rem 2rem;
  margin-top: -1rem;
  position: relative;
  z-index: 10;
  border: 1px solid var(--border);
}
.guarantee-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem;
}
.guarantee-item .g-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(37,99,235,0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.guarantee-item .g-text { font-size: 0.875rem; font-weight: 600; color: var(--heading); }
.guarantee-item .g-text small { display: block; font-weight: 400; color: var(--muted); font-size: 0.8rem; margin-top: 0.1rem; }

/* ===== 板块通用 ===== */
.section-block { padding: var(--spacer) 0; }
.section-block.alt { background: var(--card); }
.section-head { margin-bottom: 3rem; position: relative; }
.section-head .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}
.section-head .section-tag::before {
  content: '';
  width: 18px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.section-head h2 {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--heading);
  line-height: 1.4;
  margin-bottom: 0.75rem;
  position: relative;
  padding-left: 0;
}
.section-head h2::after {
  content: '';
  display: block;
  width: 44px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
  margin-top: 0.75rem;
}
.section-head p {
  font-size: 1rem;
  color: var(--muted);
  max-width: 680px;
  margin-bottom: 0;
  line-height: 1.8;
}

/* ===== 服务矩阵 ===== */
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.matrix-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  min-height: 220px;
}
.matrix-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(37,99,235,0.25);
}
.matrix-card .card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(37,99,235,0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
  transition: all var(--transition);
}
.matrix-card:hover .card-icon {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 16px rgba(37,99,235,0.3);
}
.matrix-card h3 { font-size: 1.125rem; font-weight: 600; color: var(--heading); margin-bottom: 0.6rem; }
.matrix-card p { font-size: 0.875rem; color: var(--body); line-height: 1.7; margin-bottom: 1rem; flex: 1; }
.matrix-card .card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid #F1F5F9;
}
.matrix-card .card-meta .count { font-size: 0.8125rem; color: var(--muted); }
.matrix-card .card-meta .link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: all var(--transition);
}
.matrix-card .card-meta .link i { transition: transform var(--transition); }
.matrix-card:hover .card-meta .link i { transform: translateX(4px); }
.matrix-card.featured {
  grid-column: span 2;
  background: linear-gradient(135deg, #1E3A5F 0%, #2563EB 100%);
  border: none;
  min-height: 260px;
  padding: 0;
}
.matrix-card.featured .featured-bg {
  position: absolute;
  top: 0; right: -40px;
  width: 55%;
  height: 100%;
  background-image: url('/assets/images/coverpic/cover-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  transform: rotate(2deg);
}
.matrix-card.featured .featured-content {
  position: relative;
  z-index: 1;
  color: #fff;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.matrix-card.featured .card-icon {
  background: rgba(255,255,255,0.15);
  color: #fff;
  backdrop-filter: blur(4px);
}
.matrix-card.featured h3 { color: #fff; font-size: 1.4rem; }
.matrix-card.featured p { color: rgba(255,255,255,0.8); max-width: 90%; }
.matrix-card.featured .card-meta { border-top-color: rgba(255,255,255,0.2); }
.matrix-card.featured .card-meta .count { color: rgba(255,255,255,0.7); }
.matrix-card.featured .card-meta .link { color: #fff; }

/* ===== 结果对比 ===== */
.compare-wrap {
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  padding: 2rem;
  overflow-x: auto;
}
.compare-table { width: 100%; border-collapse: separate; border-spacing: 0; min-width: 700px; }
.compare-table th {
  padding: 1rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--heading);
  text-align: left;
  background: #F8FAFC;
  border-bottom: 2px solid var(--border);
}
.compare-table th:first-child { border-radius: 10px 0 0 0; }
.compare-table th:last-child { border-radius: 0 10px 0 0; }
.compare-table td {
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  color: var(--body);
  border-bottom: 1px solid #F1F5F9;
  vertical-align: middle;
}
.compare-table tr:last-child td { border-bottom: none; }
.compare-table .dimension { font-weight: 600; color: var(--heading); white-space: nowrap; }
.compare-table .col-bad { color: var(--muted); }
.compare-table .col-good { color: var(--body); }
.compare-table .col-neutral { color: var(--accent); }
.compare-table .icon-yes { color: #10B981; font-size: 1.1rem; display: inline-flex; margin-right: 0.4rem; vertical-align: middle; }
.compare-table .icon-mid { color: var(--accent); font-size: 1.1rem; display: inline-flex; margin-right: 0.4rem; vertical-align: middle; }
.compare-table .icon-no { color: #E2E8F0; font-size: 1.1rem; display: inline-flex; margin-right: 0.4rem; vertical-align: middle; }
.compare-note {
  font-size: 0.8125rem;
  color: var(--muted);
  padding: 0.75rem 1.25rem;
  background: #F8FAFC;
  border-radius: 8px;
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.compare-note i { color: var(--accent); }

/* ===== 资讯区 ===== */
.news-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid #F1F5F9;
  transition: all var(--transition);
  border-radius: 8px;
}
.news-item:last-child { border-bottom: none; }
.news-item:hover { background: rgba(37,99,235,0.03); }
.news-item .news-index {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--primary);
  background: rgba(37,99,235,0.08);
  border-radius: 6px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.2rem;
}
.news-item .news-body { flex: 1; min-width: 0; }
.news-item .news-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--heading);
  line-height: 1.5;
  display: block;
  transition: color var(--transition);
}
.news-item .news-title:hover { color: var(--primary); }
.news-item .news-meta {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.3rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.news-item .news-meta span { display: inline-flex; align-items: center; gap: 0.25rem; }
.news-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all var(--transition);
  margin-bottom: 1.25rem;
}
.news-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.news-card .card-cover { height: 140px; position: relative; overflow: hidden; }
.news-card .card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.news-card:hover .card-cover img { transform: scale(1.05); }
.news-card .card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(30,58,95,0.35));
}
.news-card .card-body-custom { padding: 1.25rem; }
.news-card .card-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(37,99,235,0.08);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
  display: inline-block;
}
.news-card h4 { font-size: 1rem; font-weight: 600; color: var(--heading); margin-bottom: 0.5rem; line-height: 1.5; }
.news-card p { font-size: 0.85rem; color: var(--muted); margin-bottom: 0.5rem; }

/* ===== 转化表单 ===== */
.cta-section {
  position: relative;
  padding: var(--spacer) 0;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #F5F7FB 0%, #EDF2FB 100%);
  z-index: 0;
}
.form-card {
  position: relative;
  z-index: 1;
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  padding: 2.5rem;
}
.form-left h2 { font-size: 1.625rem; font-weight: 600; color: var(--heading); margin-bottom: 0.75rem; }
.form-left > p { color: var(--muted); font-size: 0.9375rem; margin-bottom: 2rem; }
.form-control-custom {
  background: #F8FAFC;
  border: 1px solid #D8E0EA;
  border-radius: var(--radius-md);
  padding: 0.65rem 1rem;
  font-size: 0.9375rem;
  color: var(--heading);
  transition: all var(--transition);
  width: 100%;
}
.form-control-custom:focus {
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
  outline: none;
}
.form-control-custom::placeholder { color: #B0BFCF; }
.form-control-custom select { appearance: auto; }
.form-label { font-size: 0.875rem; font-weight: 600; color: var(--heading); margin-bottom: 0.4rem; }
.form-label .required { color: var(--danger); margin-left: 2px; }
.form-check-custom { font-size: 0.875rem; color: var(--body); }
.form-right {
  padding-left: 2rem;
  border-left: 1px solid var(--border);
}
.form-right .info-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.form-right .info-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(37,99,235,0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.form-right .info-title { font-size: 0.875rem; font-weight: 600; color: var(--heading); }
.form-right .info-desc { font-size: 0.85rem; color: var(--muted); }
.privacy-note {
  background: #F8FAFC;
  border-radius: 10px;
  padding: 0.8rem 1rem;
  font-size: 0.8rem;
  color: var(--muted);
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  margin-top: 2rem;
}
.privacy-note i { color: var(--primary); margin-top: 0.15rem; flex-shrink: 0; }
.success-alert {
  background: #ECFDF5;
  border: 1px solid #A7F3D0;
  border-radius: 12px;
  color: #065F46;
  padding: 1.5rem;
  text-align: center;
  margin-bottom: 1.5rem;
}
.success-alert i { font-size: 2rem; color: #10B981; display: block; margin-bottom: 0.75rem; }

/* ===== FAQ ===== */
.accordion { border-radius: var(--radius-lg); }
.accordion-item {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border) !important;
  overflow: hidden;
}
.accordion-item:first-child { border-top: 1px solid var(--border); }
.accordion-button {
  background: transparent;
  box-shadow: none !important;
  padding: 1.25rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--heading);
  gap: 0.5rem;
  align-items: center;
}
.accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2365B04C'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  background-size: 12px;
  width: 28px;
  height: 28px;
  background-color: rgba(37,99,235,0.08);
  border-radius: 8px;
  background-position: center;
  background-repeat: no-repeat;
  flex-shrink: 0;
  transform: none;
}
.accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
  background-color: var(--primary);
}
.accordion-button:not(.collapsed) { background: rgba(37,99,235,0.02); color: var(--primary); }
.accordion-button:hover { background: rgba(37,99,235,0.02); }
.accordion-body {
  padding: 0 1rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--body);
  line-height: 1.8;
  max-width: 780px;
}
.faq-num {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
  background: rgba(37,99,235,0.07);
  border-radius: 8px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--deep-blue);
  color: rgba(255,255,255,0.75);
  position: relative;
  padding-top: 4rem;
}
.footer-top-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), #60A5FA, transparent);
}
.site-footer .footer-brand-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.site-footer .footer-brand-name .brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem;
  font-weight: 700;
}
.site-footer p { font-size: 0.875rem; line-height: 1.75; color: rgba(255,255,255,0.6); }
.site-footer h5 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.75rem;
}
.site-footer h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.site-footer .footer-links { list-style: none; padding: 0; margin: 0; }
.site-footer .footer-links li { margin-bottom: 0.6rem; }
.site-footer .footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.875rem;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.site-footer .footer-links a:hover { color: #fff; }
.site-footer .footer-links a i { font-size: 0.65rem; color: var(--primary); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 3rem;
  padding: 1.5rem 0;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
}
.footer-bottom .row { align-items: center; }

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  :root { --spacer: 3.5rem; }
  .navbar-collapse {
    background: #fff;
    border-radius: 14px;
    box-shadow: var(--shadow-hover);
    padding: 1rem;
    margin-top: 0.5rem;
    border: 1px solid var(--border);
  }
  .site-header:not(.scrolled) .navbar-collapse .nav-link,
  .site-header:not(.scrolled) .navbar-collapse .navbar-brand { color: var(--heading); }
  .site-header:not(.scrolled) .navbar-collapse .navbar-brand .brand-icon { background: var(--primary); color: #fff; }
  .nav-actions { width: 100%; margin-left: 0; margin-top: 0.75rem; flex-direction: column; }
  .nav-actions .btn { width: 100%; }
  .site-header:not(.scrolled) .nav-actions .btn-outline-custom {
    background: rgba(37,99,235,0.06);
    border-color: rgba(37,99,235,0.2);
    color: var(--primary);
  }
  .hero { padding-top: 8rem; min-height: auto; }
  .hero h1 { font-size: 2rem; }
  .hero-search { flex-wrap: wrap; padding: 0.65rem; }
  .hero-search .search-icon { display: none; }
  .hero-search input { flex: 1 1 100%; padding: 0.5rem 0.4rem; border-bottom: 1px solid #F1F5F9; margin-bottom: 0.4rem; }
  .hero-search .search-type { flex: 1; }
  .hero-search .btn-search { flex: 1; }
  .stat-divider { display: none; }
  .matrix-grid { grid-template-columns: repeat(2, 1fr); }
  .matrix-card.featured { grid-column: span 2; }
  .form-right { padding-left: 0; border-left: none; border-top: 1px solid var(--border); padding-top: 2rem; margin-top: 2rem; }
  .guarantee-bar { padding: 1.25rem; }
  .guarantee-item { justify-content: center; }
}
@media (max-width: 768px) {
  .matrix-grid { grid-template-columns: 1fr; }
  .matrix-card.featured { grid-column: span 1; }
  .matrix-card.featured .featured-bg { width: 70%; }
  .compare-wrap { padding: 1.25rem; }
  .section-head h2 { font-size: 1.5rem; }
  .footer-brand-name { margin-bottom: 1.5rem; }
  .footer-links { margin-bottom: 1.5rem; }
  .hero-stats .stat-item { text-align: center; padding: 0.5rem; }
  .hero-stats .stat-number { justify-content: center; }
  .guarantee-bar .row { row-gap: 1rem; }
}
@media (max-width: 576px) {
  :root { --spacer: 2.5rem; }
  .hero { padding-top: 7rem; padding-bottom: 3rem; }
  .hero h1 { font-size: 1.625rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-search .btn-search { padding: 0.55rem 1rem; font-size: 0.875rem; }
  .hero-cta .btn { width: 100%; }
  .stat-item .stat-number { font-size: 1.5rem; }
  .form-card { padding: 1.5rem; }
  .news-item { padding: 0.9rem 0.75rem; }
  .compare-table th, .compare-table td { padding: 0.75rem 0.9rem; font-size: 0.8125rem; }
  .accordion-button { font-size: 0.9375rem; padding: 1rem 0.5rem; }
  .accordion-body { padding: 0 0.5rem 1rem; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --deep-blue: #1E3A5F;
  --bg: #F5F7FB;
  --card: #FFFFFF;
  --heading: #1F2A44;
  --body: #475569;
  --muted: #94A3B8;
  --accent: #F59E0B;
  --danger: #DC2626;
  --border: #E8EDF4;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-card: 0 6px 24px rgba(37,99,235,0.06);
  --shadow-hover: 0 14px 36px rgba(30,64,175,0.12);
  --shadow-nav: 0 4px 20px rgba(30,64,175,0.08);
  --shadow-input: 0 2px 8px rgba(37,99,235,0.08);
  --transition: 0.25s ease;
  --spacer: 5rem;
  --container-w: 1280px;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--body);
  line-height: 1.75;
  font-size: 1rem;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
button { font-family: inherit; }
.container { max-width: var(--container-w); padding-left: 1.25rem; padding-right: 1.25rem; }
::selection { background: rgba(37,99,235,0.15); color: var(--heading); }
::-webkit-scrollbar { width: 10px; height: 8px; }
::-webkit-scrollbar-track { background: #F1F4F9; }
::-webkit-scrollbar-thumb { background: #C7D2E4; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: #A8B8D0; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid rgba(37,99,235,0.35);
  outline-offset: 2px;
}
/* ===== 按钮 ===== */
.btn {
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.625rem 1.25rem;
  transition: all var(--transition);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: center;
  min-height: 44px;
}
.btn i { font-size: 1.05rem; }
.btn-primary-custom {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37,99,235,0.25);
}
.btn-primary-custom:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(29,78,216,0.3);
}
.btn-primary-custom:active { transform: translateY(0); box-shadow: none; }
.btn-outline-custom {
  background: rgba(37,99,235,0.06);
  border: 1px solid rgba(37,99,235,0.25);
  color: var(--primary);
}
.btn-outline-custom:hover {
  background: rgba(37,99,235,0.1);
  border-color: var(--primary);
  color: var(--primary-dark);
  transform: translateY(-1px);
}
.btn-outline-custom:active { transform: translateY(0); }
.btn-lg { padding: 0.75rem 1.75rem; font-size: 1rem; min-height: 48px; }
.btn-sm { padding: 0.45rem 0.9rem; font-size: 0.85rem; min-height: 36px; }
.btn-full { width: 100%; }
/* ===== 徽章 / 标签 ===== */
.badge-soft {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(37,99,235,0.08);
  color: var(--primary);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(37,99,235,0.15);
}
.badge-soft::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}
.tag-pill {
  display: inline-block;
  background: #fff;
  border: 1px solid #D8E0EA;
  color: var(--body);
  font-size: 0.85rem;
  border-radius: var(--radius-pill);
  padding: 0.3rem 0.85rem;
  margin: 0.25rem 0.25rem 0.25rem 0;
  transition: all var(--transition);
  cursor: pointer;
  min-height: 38px;
  line-height: 1.5;
}
.tag-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(37,99,235,0.04);
}
.tag-pill.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  padding: 0.75rem 0;
  transition: all var(--transition);
  background: transparent;
}
.site-header.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-nav);
  padding: 0.45rem 0;
}
.site-header .navbar { padding: 0; }
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--heading);
  min-height: 44px;
}
.navbar-brand .brand-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem;
  font-weight: 700;
  box-shadow: 0 4px 10px rgba(37,99,235,0.3);
  flex-shrink: 0;
}
.site-header:not(.scrolled) .navbar-brand,
.site-header:not(.scrolled) .nav-link {
  color: #fff;
}
.site-header:not(.scrolled) .navbar-brand .brand-icon {
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.navbar-nav { gap: 0.35rem; }
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--body);
  padding: 0.5rem 0.9rem !important;
  position: relative;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.site-header:not(.scrolled) .nav-link { color: rgba(255,255,255,0.85); }
.site-header:not(.scrolled) .nav-link:hover,
.site-header:not(.scrolled) .nav-link.active { color: #fff; }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0.2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
  transition: width var(--transition);
}
.site-header:not(.scrolled) .nav-link::after { background: #fff; }
.nav-link:hover::after,
.nav-link.active::after { width: 18px; }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-actions { display: flex; gap: 0.5rem; margin-left: 1rem; }
.site-header:not(.scrolled) .btn-outline-custom {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.4);
  color: #fff;
}
.site-header:not(.scrolled) .btn-outline-custom:hover {
  background: rgba(255,255,255,0.2);
  border-color: #fff;
}
.navbar-toggler { border: none; padding: 0.4rem; min-height: 44px; }
.site-header:not(.scrolled) .navbar-toggler { color: #fff; }
.site-header:not(.scrolled) .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.scrolled .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(31,42,68,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
@media (max-width: 991.98px) {
  .site-header { background: rgba(255,255,255,0.95); backdrop-filter: blur(16px); box-shadow: var(--shadow-nav); }
  .site-header .navbar-brand, .site-header .nav-link { color: var(--heading); }
  .site-header .navbar-brand .brand-icon { background: var(--primary); box-shadow: 0 4px 10px rgba(37,99,235,0.3); }
  .site-header .nav-link { color: var(--body); }
  .site-header .nav-link.active { color: var(--primary); }
  .site-header .nav-link::after { background: var(--primary); }
  .navbar-collapse { background: #fff; border-radius: var(--radius-lg); padding: 1rem 1.25rem; margin-top: 0.75rem; box-shadow: var(--shadow-card); }
  .nav-actions { margin-left: 0; margin-top: 0.75rem; flex-wrap: wrap; }
  .nav-actions .btn { flex: 1; }
}
/* ===== 面包屑 ===== */
.breadcrumb-wrap {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 1.1rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.85);
}
.breadcrumb-wrap a { color: rgba(255,255,255,0.75); }
.breadcrumb-wrap a:hover { color: #fff; }
.breadcrumb-wrap .sep { margin: 0 0.5rem; color: rgba(255,255,255,0.5); }
.breadcrumb-wrap .current { color: #fff; font-weight: 500; }
/* ===== 分类页 Hero ===== */
.category-hero {
  position: relative;
  padding: 9rem 0 5.5rem;
  background-image: linear-gradient(135deg, rgba(30,58,95,0.94), rgba(37,99,235,0.82)), url('/assets/images/backpic/back-1.jpg');
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}
.category-hero::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  pointer-events: none;
}
.category-hero .container { position: relative; z-index: 2; }
.hero-badge-row { margin-bottom: 1.25rem; }
.category-hero h1 {
  font-size: 2.25rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
  letter-spacing: 0.01em;
  margin-bottom: 1rem;
}
.category-hero .hero-desc {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.9);
  max-width: 720px;
  margin-bottom: 1.75rem;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 2.2rem;
  margin-top: 2rem;
}
.hero-stats .stat-item {
  text-align: left;
  padding-right: 2.2rem;
  border-right: 1px solid rgba(255,255,255,0.2);
}
.hero-stats .stat-item:last-child { border-right: none; padding-right: 0; }
.hero-stats .stat-num {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}
.hero-stats .stat-num small { font-size: 1rem; font-weight: 500; color: rgba(255,255,255,0.7); }
.hero-stats .stat-label {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.7);
}
.hero-search {
  display: flex;
  gap: 0.5rem;
  max-width: 640px;
  margin-top: 1.75rem;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-lg);
  padding: 0.5rem;
  backdrop-filter: blur(8px);
}
.hero-search .form-control, .hero-search .form-select {
  background: #fff;
  border: none;
  border-radius: var(--radius-md);
  height: 48px;
  font-size: 0.9375rem;
  box-shadow: none;
}
.hero-search .form-control:focus, .hero-search .form-select:focus { box-shadow: 0 0 0 3px rgba(37,99,235,0.25); }
.hero-search .btn { border-radius: var(--radius-md); min-height: 48px; }
.hero-tags { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.hero-tags .tag-pill { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.25); color: rgba(255,255,255,0.9); }
.hero-tags .tag-pill:hover { background: rgba(255,255,255,0.2); border-color: #fff; color: #fff; }
/* ===== 主内容布局 ===== */
.page-main { padding: var(--spacer) 0; }
.main-wrap { margin-top: var(--spacer); }
.content-area { padding-right: 1.5rem; }
/* ===== 工具条 ===== */
.toolbar {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-card);
  margin-bottom: 1.5rem;
}
.toolbar-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.85rem;
}
.toolbar-result { font-size: 0.875rem; color: var(--muted); }
.toolbar-result strong { color: var(--primary); font-weight: 600; }
.toolbar-right { margin-left: auto; display: flex; align-items: center; gap: 0.75rem; }
.toolbar-right label { font-size: 0.8125rem; color: var(--muted); white-space: nowrap; }
.toolbar-select {
  border: 1px solid #D8E0EA;
  border-radius: var(--radius-md);
  padding: 0.35rem 2rem 0.35rem 0.85rem;
  font-size: 0.85rem;
  color: var(--body);
  background: #fff url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' fill='%2394A3B8' viewBox='0 0 16 16'%3e%3cpath d='M8 11L3 6h10z'/%3e%3c/svg%3e") no-repeat right 0.75rem center;
  appearance: none;
  cursor: pointer;
  min-height: 38px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.toolbar-select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.15); outline: none; }
.toolbar-search { display: flex; align-items: center; gap: 0.5rem; }
.toolbar-search .form-control {
  border: 1px solid #D8E0EA;
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
  min-height: 38px;
  width: 180px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.toolbar-search .form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.12); outline: none; }
.toolbar-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; border-top: 1px dashed var(--border); padding-top: 0.85rem; }
@media (max-width: 768px) {
  .toolbar-right { margin-left: 0; width: 100%; flex-wrap: wrap; }
  .toolbar-search { flex: 1; }
  .toolbar-search .form-control { flex: 1; width: auto; }
  .toolbar-tags { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 0.35rem; -webkit-overflow-scrolling: touch; }
  .toolbar-tags .tag-pill { flex-shrink: 0; }
}
/* ===== 内容列表卡 ===== */
.list-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  margin-bottom: 1.5rem;
}
.list-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(37,99,235,0.25);
}
.list-card .card-cover {
  position: relative;
  overflow: hidden;
  border-radius: 0;
  min-height: 150px;
  background: linear-gradient(135deg, #EFF3FA, #E2E9F5);
}
.list-card .card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.list-card:hover .card-cover img { transform: scale(1.04); }
.list-card .cover-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  background: rgba(30,58,95,0.85);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 0.75rem;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255,255,255,0.25);
}
.list-card .cover-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 6px 24px rgba(0,0,0,0.2);
  transition: all var(--transition);
  border: none;
}
.list-card:hover .cover-play { transform: translate(-50%, -50%) scale(1.1); background: var(--primary); color: #fff; }
.list-card .card-body { padding: 1.5rem; display: flex; flex-direction: column; flex: 1; }
.list-card .card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: auto;
}
.list-card .card-meta i { margin-right: 0.15rem; }
.list-card .card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--heading);
  line-height: 1.5;
  margin-bottom: 0.5rem;
  transition: color var(--transition);
}
.list-card:hover .card-title { color: var(--primary); }
.list-card .card-desc {
  font-size: 0.9375rem;
  color: var(--body);
  line-height: 1.75;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  transition: gap var(--transition);
  margin-top: 0.75rem;
}
.card-arrow:hover { gap: 0.7rem; color: var(--primary-dark); }
/* 首条大卡片 */
.list-card.featured .card-body { padding: 1.75rem; }
.list-card.featured .card-title { font-size: 1.375rem; }
.list-card.featured .card-desc { -webkit-line-clamp: 4; }
/* ===== 分页 ===== */
.pagination-custom { margin-top: 2rem; display: flex; justify-content: center; }
.pagination-custom .page-link {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md) !important;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--body);
  font-size: 0.875rem;
  margin: 0 0.25rem;
  transition: all var(--transition);
  font-weight: 500;
}
.pagination-custom .page-link:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(37,99,235,0.04);
}
.pagination-custom .page-item.active .page-link {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(37,99,235,0.25);
}
.pagination-custom .page-item.disabled .page-link { color: var(--muted); border-color: var(--border); background: #f8fafc; }
/* ===== 侧栏 ===== */
.sidebar-list { display: flex; flex-direction: column; gap: 1.5rem; }
.side-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}
.side-card .side-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--heading);
  margin-bottom: 1.1rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--primary);
  line-height: 1.4;
}
.hot-list { list-style: none; margin: 0; padding: 0; }
.hot-list li { margin-bottom: 0.35rem; }
.hot-list a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-md);
  color: var(--body);
  font-size: 0.9rem;
  transition: all var(--transition);
}
.hot-list a:hover { background: rgba(37,99,235,0.05); color: var(--primary); transform: translateX(2px); }
.hot-list .hot-num {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--muted);
  width: 22px;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}
.hot-list li:first-child .hot-num, .hot-list li:nth-child(2) .hot-num, .hot-list li:nth-child(3) .hot-num { color: var(--accent); }
.hot-list .hot-count { margin-left: auto; font-size: 0.75rem; color: var(--muted); }
.recommend-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
}
.recommend-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.recommend-card .recommend-bg {
  height: 120px;
  background-image: linear-gradient(135deg, rgba(30,58,95,0.85), rgba(37,99,235,0.75)), url('/assets/images/backpic/back-3.jpg');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
  padding: 0.85rem 1.1rem;
}
.recommend-card .recommend-bg.bg-2 { background-image: linear-gradient(135deg, rgba(30,58,95,0.8), rgba(37,99,235,0.7)), url('/assets/images/backpic/back-2.jpg'); }
.recommend-card .recommend-bg span {
  color: #fff;
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(255,255,255,0.18);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255,255,255,0.2);
}
.recommend-card .recommend-body { padding: 1rem 1.1rem 1.15rem; }
.recommend-card .recommend-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--heading);
  line-height: 1.5;
  margin-bottom: 0.35rem;
}
.recommend-card .recommend-desc { font-size: 0.8125rem; color: var(--muted); line-height: 1.6; }
.tag-cloud { margin-top: 0.25rem; }
/* ===== 区块标题 ===== */
.section-heading { margin-bottom: 2rem; }
.section-heading .section-title {
  font-size: 1.625rem;
  font-weight: 600;
  color: var(--heading);
  line-height: 1.4;
  margin-bottom: 0.5rem;
  position: relative;
  padding-left: 1rem;
}
.section-heading .section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.25em;
  width: 4px;
  height: 1.1em;
  border-radius: 2px;
  background: var(--primary);
}
.section-heading .section-sub { font-size: 0.9375rem; color: var(--muted); max-width: 680px; }
/* ===== 卖点区 ===== */
.feature-section {
  background: var(--card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--spacer) 0;
}
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.feature-item {
  display: flex;
  gap: 1.1rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: #fff;
  transition: all var(--transition);
}
.feature-item:hover { box-shadow: var(--shadow-hover); border-color: rgba(37,99,235,0.25); transform: translateY(-3px); }
.feature-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: rgba(37,99,235,0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}
.feature-item h3 { font-size: 1rem; font-weight: 600; color: var(--heading); margin-bottom: 0.35rem; }
.feature-item p { font-size: 0.875rem; color: var(--body); margin-bottom: 0; line-height: 1.7; }
@media (max-width: 768px) {
  .feature-grid { grid-template-columns: 1fr; }
}
/* ===== 适用场景 ===== */
.scenario-section { padding: var(--spacer) 0; }
.scenario-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}
.scenario-media img { width: 100%; height: 100%; object-fit: cover; }
.scenario-body { padding: 2rem 1.75rem; }
.scenario-list { list-style: none; margin: 0; padding: 0; }
.scenario-list li {
  display: flex;
  gap: 0.85rem;
  padding: 0.65rem 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.9375rem;
  color: var(--body);
  align-items: flex-start;
}
.scenario-list li:last-child { border-bottom: none; }
.scenario-list .sc-num {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(37,99,235,0.08);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.15rem;
}
.scenario-list strong { color: var(--heading); font-weight: 600; }
@media (min-width: 768px) {
  .scenario-wrap { flex-direction: row; }
  .scenario-media { width: 44%; }
  .scenario-body { width: 56%; }
}
/* ===== FAQ ===== */
.faq-section { padding: var(--spacer) 0; }
.faq-accordion .accordion-item {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0 !important;
}
.faq-accordion .accordion-item:first-child { border-top: 1px solid var(--border); }
.faq-accordion .accordion-header { background: transparent; }
.faq-accordion .accordion-button {
  background: transparent;
  box-shadow: none;
  padding: 1.2rem 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--heading);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-height: 60px;
}
.faq-accordion .accordion-button:not(.collapsed) { background: rgba(37,99,235,0.04); color: var(--primary); }
.faq-accordion .accordion-button:focus { box-shadow: none; border: none; }
.faq-accordion .faq-num {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  border-radius: var(--radius-pill);
  background: rgba(37,99,235,0.08);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.faq-accordion .accordion-button:not(.collapsed) .faq-num { background: var(--primary); color: #fff; }
.faq-accordion .accordion-button::after {
  background-size: 1rem;
  margin-left: auto;
  flex-shrink: 0;
}
.faq-accordion .accordion-body {
  padding: 0.25rem 0.5rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--body);
  line-height: 1.8;
}
/* ===== CTA / 表单 ===== */
.cta-section {
  padding: var(--spacer) 0;
  background: linear-gradient(135deg, rgba(37,99,235,0.04), rgba(245,247,251,0.6)), var(--bg);
}
.cta-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  overflow: hidden;
}
.cta-left { padding: 2.5rem; background: #fff; }
.cta-right {
  padding: 2.5rem;
  background: linear-gradient(160deg, var(--deep-blue), #244A73);
  color: #fff;
}
.cta-right h3 { color: #fff; font-size: 1.25rem; font-weight: 600; margin-bottom: 1rem; }
.cta-right p { color: rgba(255,255,255,0.85); font-size: 0.9rem; line-height: 1.8; }
.cta-info-list { list-style: none; margin: 1.5rem 0 0; padding: 0; }
.cta-info-list li {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  padding: 0.45rem 0;
  color: rgba(255,255,255,0.9);
  font-size: 0.875rem;
}
.cta-info-list li i { color: #F59E0B; margin-top: 0.2rem; flex-shrink: 0; }
.form-control-custom {
  border: 1px solid #D8E0EA;
  border-radius: var(--radius-md);
  padding: 0.65rem 1rem;
  font-size: 0.9375rem;
  color: var(--heading);
  background: #fff;
  min-height: 46px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control-custom:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
  outline: none;
}
.form-select-custom {
  border: 1px solid #D8E0EA;
  border-radius: var(--radius-md);
  padding: 0.65rem 2.5rem 0.65rem 1rem;
  font-size: 0.9375rem;
  color: var(--heading);
  background: #fff url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394A3B8' viewBox='0 0 16 16'%3e%3cpath d='M8 11L3 6h10z'/%3e%3c/svg%3e") no-repeat right 1rem center;
  appearance: none;
  min-height: 46px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-select-custom:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
  outline: none;
}
textarea.form-control-custom { min-height: 120px; resize: vertical; }
.form-label-custom { font-size: 0.875rem; font-weight: 600; color: var(--heading); margin-bottom: 0.4rem; }
.form-label-custom .req { color: var(--danger); margin-left: 0.1rem; }
.form-success {
  display: none;
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.3);
  color: #0F766E;
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  margin-top: 1rem;
}
.privacy-note { font-size: 0.8125rem; color: var(--muted); margin-top: 0.75rem; }
/* ===== 页脚 ===== */
.site-footer {
  background: var(--deep-blue);
  color: rgba(255,255,255,0.8);
  padding: 3.5rem 0 2rem;
  font-size: 0.875rem;
}
.footer-top-line { height: 20px; background: var(--primary); margin-bottom: 3rem; }
.footer-brand-name {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 1rem;
}
.footer-brand-name .brand-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem;
  font-weight: 700;
}
.site-footer p { color: rgba(255,255,255,0.65); line-height: 1.75; font-size: 0.875rem; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 0.4rem; }
.footer-links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: all var(--transition);
  padding: 0.2rem 0;
}
.footer-links a:hover { color: #fff; transform: translateX(2px); }
.footer-links i { font-size: 0.8rem; }
.site-footer h5 {
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.5);
}
/* ===== 响应式 ===== */
@media (max-width: 991.98px) {
  .content-area { padding-right: 0; }
  .sidebar-list { margin-top: 2rem; }
  .category-hero { padding: 7.5rem 0 4rem; }
  .category-hero h1 { font-size: 1.875rem; }
  .hero-stats .stat-num { font-size: 1.5rem; }
  .cta-left, .cta-right { padding: 2rem; }
}
@media (max-width: 768px) {
  :root { --spacer: 3.5rem; }
  .category-hero { padding: 6.5rem 0 3.5rem; }
  .category-hero h1 { font-size: 1.625rem; }
  .hero-stats { gap: 1.2rem 1.5rem; }
  .hero-stats .stat-item { padding-right: 1.5rem; }
  .hero-stats .stat-num { font-size: 1.375rem; }
  .hero-search { flex-direction: column; }
  .hero-search .form-control { width: 100%; }
  .toolbar-top { flex-direction: column; align-items: flex-start; }
  .toolbar-right { width: 100%; }
  .list-card.featured .card-title { font-size: 1.125rem; }
  .list-card.featured .card-desc { -webkit-line-clamp: 3; }
  .section-heading .section-title { font-size: 1.375rem; }
  .footer-bottom .text-md-end { text-align: left !important; margin-top: 0.5rem; }
}
@media (max-width: 576px) {
  :root { --spacer: 2.5rem; }
  .category-hero { padding: 6rem 0 3rem; }
  .category-hero h1 { font-size: 1.5rem; }
  .hero-stats .stat-num { font-size: 1.25rem; }
  .hero-stats .stat-label { font-size: 0.75rem; }
  .list-card .card-body { padding: 1.25rem; }
  .list-card .card-title { font-size: 1rem; }
  .list-card .card-desc { font-size: 0.875rem; }
  .breadcrumb-wrap { font-size: 0.78rem; }
  .pagination-custom .page-link { width: 38px; height: 38px; }
  .cta-left, .cta-right { padding: 1.5rem; }
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}