/* ===== 全局变量 ===== */
:root {
  --pink-50: #fff5f7; --pink-100: #ffe4ec; --pink-200: #ffc9d9; --pink-300: #ffa9c2;
  --pink-400: #ff7da6; --pink-500: #ff5b8a; --pink-600: #f43d72;
  --warm-coral: #ff8c69; --warm-amber: #ffd194; --warm-cream: #fff8f0;
  --lilac: #c8a2d4; --lilac-light: #e6d3ee;
  --ink: #3d2645; --ink-soft: #6b4c6e; --ink-light: #9a7f9e;
  --white: #ffffff;
  --shadow-soft: 0 4px 20px rgba(200, 162, 212, 0.12);
  --shadow-pink: 0 8px 30px rgba(255, 91, 138, 0.15);
  --radius-sm: 12px; --radius-md: 20px; --radius-lg: 28px;
  --font-display: 'Georgia', 'Noto Serif SC', 'STSong', serif;
  --font-body: -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: linear-gradient(180deg, var(--pink-50) 0%, var(--warm-cream) 100%);
  color: var(--ink); line-height: 1.75; overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }

/* ===== 导航栏 ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 169, 194, 0.3);
  transition: all 0.3s ease;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; height: 68px;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.logo-icon {
  width: 38px; height: 38px; background: #fef3f7;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 20px; box-shadow: 0 2px 8px rgba(255, 91, 138, 0.12); position: relative;
}
.logo-icon::after { content: ''; position: absolute; inset: -3px; border-radius: 50%; border: 2px solid rgba(255, 169, 194, 0.15); }
.logo-text {
  font-family: var(--font-display); font-size: 22px; font-weight: bold;
  color: var(--pink-500); letter-spacing: 1px;
}
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  text-decoration: none; color: var(--ink-soft); font-size: 15px; font-weight: 500;
  position: relative; padding: 6px 0; transition: color 0.25s;
}
.nav-links a::after { content: ''; position: absolute; bottom: 0; left: 50%; width: 0; height: 2px; background: var(--pink-400); border-radius: 2px; transition: all 0.3s; transform: translateX(-50%); }
.nav-links a:hover { color: var(--pink-500); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--pink-500); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2.5px; background: var(--ink-soft); border-radius: 2px; transition: all 0.3s; }
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== 面包屑 ===== */
.breadcrumb {
  max-width: 1200px; margin: 0 auto; padding: 88px 24px 0;
  display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink-light);
}
.breadcrumb a { color: var(--pink-500); text-decoration: none; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--pink-600); }

/* ===== 分类头部 ===== */
.cat-header { max-width: 1200px; margin: 0 auto; padding: 30px 24px 50px; }
.cat-header-inner {
  background: #fef3f7; border-radius: var(--radius-lg);
  padding: 50px 40px; text-align: center; position: relative; overflow: hidden;
  border: 1px solid rgba(255, 169, 194, 0.15);
}
.cat-header h1 {
  font-family: var(--font-display); font-size: clamp(30px, 5vw, 42px);
  color: var(--pink-500); margin-bottom: 12px;
}
.cat-header p { font-size: 16px; color: var(--ink-soft); max-width: 600px; margin: 0 auto; }
.cat-header-stats { display: flex; justify-content: center; gap: 40px; margin-top: 24px; flex-wrap: wrap; }
.ch-stat { text-align: center; }
.ch-stat .num { font-size: 24px; font-weight: bold; color: var(--pink-500); }
.ch-stat .label { font-size: 13px; color: var(--ink-light); }

/* ===== 筛选栏 ===== */
.filter-bar {
  max-width: 1200px; margin: 0 auto; padding: 0 24px 30px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.filter-tags { display: flex; gap: 10px; flex-wrap: wrap; }
.filter-tag {
  padding: 8px 18px; border-radius: 20px; font-size: 14px; cursor: pointer;
  border: 1.5px solid var(--pink-200); background: white; color: var(--ink-soft);
  transition: all 0.25s; font-weight: 500; user-select: none;
}
.filter-tag .tag-count { font-size: 12px; opacity: 0.7; margin-left: 4px; }
.filter-tag.active, .filter-tag:hover {
  background: #ff5b8a; color: white; border-color: transparent;
}
.filter-tag.active .tag-count { opacity: 0.9; }
.sort-info { font-size: 14px; color: var(--ink-light); }
.sort-info b { color: var(--pink-500); }

/* ===== 测试列表卡片 ===== */
.test-list {
  max-width: 1200px; margin: 0 auto; padding: 0 24px 80px;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px;
}
.test-card {
  background: white; border-radius: var(--radius-md); padding: 24px 24px 20px;
  text-decoration: none; color: inherit; border: 1.5px solid transparent;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1); box-shadow: var(--shadow-soft);
  position: relative; overflow: hidden; display: flex; flex-direction: column;
}
.test-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: #ffa9c2;
}
.test-card:hover {
  transform: translateY(-6px); box-shadow: 0 16px 44px rgba(255, 91, 138, 0.16);
  border-color: var(--pink-200);
}
.test-card-top {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px;
  flex-wrap: wrap; gap: 6px;
}
.test-card-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.card-tag {
  font-size: 11px; font-weight: 600; padding: 3px 10px; border-radius: 10px; white-space: nowrap;
}
.tag-hot { background: #ff5b8a; color: white; }
.tag-pro { background: #a78bfa; color: white; }
.tag-fun { background: #fbbf24; color: white; }
.tag-new { background: #34d399; color: white; }
.tag-cat { background: #fef3f7; color: var(--pink-500); }
.test-card-num {
  font-family: var(--font-display); font-size: 28px; font-weight: bold;
  color: var(--pink-100); line-height: 1; letter-spacing: -1px;
}
.test-title { font-size: 17px; font-weight: 600; color: var(--ink); margin-bottom: 8px; line-height: 1.5; }
.test-desc { font-size: 13px; color: var(--ink-light); line-height: 1.65; margin-bottom: 14px; flex: 1; }
.test-meta { display: flex; align-items: center; justify-content: space-between; }
.test-meta-left { display: flex; gap: 12px; }
.test-meta-item { font-size: 12px; color: var(--ink-light); display: flex; align-items: center; gap: 3px; }
.test-btn {
  background: #ff5b8a; color: white; border: none; padding: 7px 18px; border-radius: 20px;
  font-size: 13px; font-weight: 600; cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; gap: 4px;
  box-shadow: 0 2px 10px rgba(255, 91, 138, 0.15); transition: all 0.3s;
}
.test-btn:hover { transform: translateY(-2px); box-shadow: 0 5px 16px rgba(255, 91, 138, 0.25); }
.no-result { grid-column: 1 / -1; text-align: center; padding: 60px 20px; color: var(--ink-light); font-size: 15px; }

/* ===== 详情页 ===== */
.detail-wrap { max-width: 1200px; margin: 0 auto; padding: 20px 24px 80px; display: grid; grid-template-columns: 1fr 320px; gap: 32px; }
.detail-main { min-width: 0; }
.test-hero {
  background: #fef3f7; border-radius: var(--radius-lg); padding: 40px 36px;
  position: relative; overflow: hidden; border: 1px solid rgba(255, 169, 194, 0.15); margin-bottom: 32px;
}
.test-hero-tag {
  display: inline-block; background: rgba(255, 255, 255, 0.7); backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 169, 194, 0.4); padding: 6px 16px; border-radius: 20px;
  font-size: 13px; color: var(--pink-500); font-weight: 600; margin-bottom: 16px;
}
.test-hero h1 {
  font-family: var(--font-display); font-size: clamp(24px, 3.5vw, 34px);
  color: var(--ink); margin-bottom: 12px; line-height: 1.3;
}
.test-hero-meta { display: flex; gap: 20px; font-size: 14px; color: var(--ink-light); flex-wrap: wrap; }
.test-hero-meta span { display: flex; align-items: center; gap: 4px; }
.detail-section { margin-bottom: 36px; }
.detail-section h2 {
  font-family: var(--font-display); font-size: 22px; color: var(--ink);
  margin-bottom: 16px; padding-left: 14px; position: relative;
}
.detail-section h2::before {
  content: ''; position: absolute; left: 0; top: 4px; width: 4px; height: 24px;
  background: #ff5b8a; border-radius: 2px;
}
.detail-section p { font-size: 15px; color: var(--ink-soft); line-height: 1.85; margin-bottom: 12px; }
.feature-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.feature-item { display: flex; gap: 12px; align-items: flex-start; padding: 16px; background: white; border-radius: var(--radius-sm); border: 1px solid rgba(255, 169, 194, 0.15); }
.feature-icon {
  width: 40px; height: 40px; border-radius: 12px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 20px; background: #fef3f7;
}
.feature-text h4 { font-size: 15px; color: var(--ink); margin-bottom: 4px; }
.feature-text p { font-size: 13px; color: var(--ink-light); margin: 0; line-height: 1.6; }
.result-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.result-card { padding: 20px; border-radius: var(--radius-sm); border: 1.5px solid; }
.result-card h4 { font-size: 16px; margin-bottom: 8px; }
.result-card p { font-size: 13px; line-height: 1.6; margin: 0; }
.result-card:nth-child(1) { background: #fef3f7; border-color: var(--pink-200); }
.result-card:nth-child(2) { background: #fffbeb; border-color: var(--warm-amber); }
.result-card:nth-child(3) { background: #f5f3ff; border-color: var(--lilac); }
.result-card:nth-child(4) { background: #f0fdf4; border-color: #86efac; }
.cta-box {
  background: #fef3f7; border-radius: var(--radius-md); padding: 36px; text-align: center; margin-top: 32px;
  border: 1px solid rgba(255, 169, 194, 0.2);
}
.cta-box h3 { font-family: var(--font-display); font-size: 22px; color: var(--ink); margin-bottom: 8px; }
.cta-box p { font-size: 14px; color: var(--ink-soft); margin-bottom: 20px; }
.cta-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: #ff5b8a; color: white; padding: 14px 40px; border-radius: 30px;
  font-size: 16px; font-weight: 600; text-decoration: none;
  box-shadow: 0 4px 15px rgba(255, 91, 138, 0.2); transition: all 0.3s;
}
.cta-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(255, 91, 138, 0.3); }
.preview-list { display: flex; flex-direction: column; gap: 12px; }
.preview-q { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; background: white; border-radius: var(--radius-sm); border: 1px solid rgba(255, 169, 194, 0.15); }
.preview-q-num {
  width: 32px; height: 32px; flex-shrink: 0; border-radius: 10px;
  background: #ffa9c2; color: white; font-size: 14px; font-weight: bold;
  display: flex; align-items: center; justify-content: center;
}
.preview-q-text { font-size: 14px; color: var(--ink-soft); line-height: 1.6; padding-top: 4px; }

/* ===== 侧栏 ===== */
.detail-aside { display: flex; flex-direction: column; gap: 24px; position: sticky; top: 88px; align-self: start; }
.aside-card { background: white; border-radius: var(--radius-md); padding: 24px; box-shadow: var(--shadow-soft); }
.aside-card h3 { font-size: 16px; color: var(--ink); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--pink-100); }
.relate-item { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px solid rgba(255, 169, 194, 0.1); text-decoration: none; color: inherit; transition: all 0.2s; }
.relate-item:last-child { border-bottom: none; }
.relate-item:hover { transform: translateX(4px); }
.relate-item-num {
  width: 28px; height: 28px; flex-shrink: 0; border-radius: 8px;
  background: #fef3f7; color: var(--pink-500); font-size: 13px; font-weight: bold;
  display: flex; align-items: center; justify-content: center;
}
.relate-item-title { font-size: 13px; color: var(--ink-soft); line-height: 1.5; flex: 1; }
.relate-item:hover .relate-item-title { color: var(--pink-500); }
.aside-tip {
  background: #fef3f7; border-radius: var(--radius-sm); padding: 20px;
  font-size: 14px; color: var(--ink-soft); line-height: 1.8; border: 1px dashed var(--pink-200);
}
.sidebar-start-btn {
  display: block; text-align: center; background: #ff5b8a; color: white;
  padding: 14px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600;
  text-decoration: none; box-shadow: 0 4px 15px rgba(255, 91, 138, 0.2); transition: all 0.3s;
}
.sidebar-start-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255, 91, 138, 0.3); }

/* ===== Footer ===== */
.footer {
  background: linear-gradient(180deg, var(--pink-100), var(--pink-50));
  padding: 48px 24px 32px; text-align: center; border-top: 1px solid rgba(255, 169, 194, 0.2);
}
.footer-logo { font-family: var(--font-display); font-size: 24px; font-weight: bold; color: var(--pink-500); margin-bottom: 12px; }
.footer-links { display: flex; justify-content: center; gap: 24px; margin-bottom: 20px; flex-wrap: wrap; }
.footer-links a { color: var(--ink-soft); text-decoration: none; font-size: 14px; transition: color 0.2s; }
.footer-links a:hover { color: var(--pink-500); }
.footer-copy { font-size: 13px; color: var(--ink-light); }

/* ===== 回顶按钮 ===== */
.back-top {
  position: fixed; bottom: 30px; right: 30px; width: 48px; height: 48px;
  background: white; border-radius: 50%; box-shadow: 0 4px 20px rgba(255, 91, 138, 0.2);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  color: var(--pink-500); z-index: 900; opacity: 0; transform: translateY(20px);
  transition: all 0.3s; border: 1px solid rgba(255, 169, 194, 0.3);
}
.back-top.visible { opacity: 1; transform: translateY(0); }
.back-top:hover { background: var(--pink-50); box-shadow: 0 6px 25px rgba(255, 91, 138, 0.3); }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .nav-links {
    position: fixed; top: 68px; left: 0; right: 0; background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px); flex-direction: column; padding: 20px 24px; gap: 8px;
    border-bottom: 1px solid rgba(255, 169, 194, 0.2); transform: translateY(-100%); opacity: 0;
    transition: all 0.3s; pointer-events: none;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-toggle { display: flex; }
  .detail-wrap { grid-template-columns: 1fr; }
  .detail-aside { position: static; order: -1; }
  .test-list { grid-template-columns: 1fr; }
  .cat-header-inner { padding: 30px 20px; }
  .test-hero { padding: 24px 20px; }
  .cta-box { padding: 24px 16px; }
  .back-top { bottom: 20px; right: 20px; }
}

/* ===== 首页 Hero ===== */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 100px 24px 60px; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.35; }
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,245,247,0.5) 0%, rgba(255,248,240,0.7) 50%, rgba(255,245,247,0.9) 100%);
}
.hero-content { position: relative; z-index: 1; text-align: center; max-width: 720px; }
.hero-eyebrow {
  display: inline-block; background: rgba(255, 255, 255, 0.7); backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 169, 194, 0.4); padding: 8px 20px; border-radius: 30px;
  font-size: 13px; color: var(--pink-500); font-weight: 600; margin-bottom: 24px; letter-spacing: 1px;
}
.hero-title {
  font-family: var(--font-display); font-size: clamp(40px, 7vw, 68px); font-weight: bold;
  line-height: 1.2; margin-bottom: 20px; color: var(--pink-500);
}
.hero-subtitle {
  font-size: clamp(16px, 2.5vw, 19px); color: var(--ink-soft); line-height: 1.8;
  margin-bottom: 36px; max-width: 560px; margin-left: auto; margin-right: auto;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  background: #ff5b8a; color: white; border: none; padding: 14px 36px; border-radius: 30px;
  font-size: 16px; font-weight: 600; cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
  box-shadow: 0 4px 15px rgba(255, 91, 138, 0.2); transition: all 0.3s;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(255, 91, 138, 0.3); }
.btn-secondary {
  background: rgba(255, 255, 255, 0.7); backdrop-filter: blur(10px);
  color: var(--pink-500); border: 1.5px solid var(--pink-200);
  padding: 14px 36px; border-radius: 30px; font-size: 16px; font-weight: 600;
  cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.3s;
}
.btn-secondary:hover { background: white; border-color: var(--pink-400); transform: translateY(-2px); }

/* 漂浮装饰 */
.float-deco { position: absolute; z-index: 1; pointer-events: none; animation: floatUp 6s ease-in-out infinite; }
.float-deco:nth-child(1) { top: 15%; left: 8%; animation-delay: 0s; }
.float-deco:nth-child(2) { top: 25%; right: 10%; animation-delay: 1.5s; }
.float-deco:nth-child(3) { bottom: 20%; left: 12%; animation-delay: 3s; }
.float-deco:nth-child(4) { bottom: 15%; right: 8%; animation-delay: 2s; }
.float-deco span { font-size: 28px; opacity: 0.5; filter: blur(0.5px); }
@keyframes floatUp { 0%, 100% { transform: translateY(0px) rotate(0deg); } 50% { transform: translateY(-20px) rotate(8deg); } }

/* 统计栏 */
.stats-bar {
  max-width: 900px; margin: -40px auto 0; position: relative; z-index: 2;
  background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px);
  border-radius: var(--radius-lg); padding: 32px 40px; box-shadow: var(--shadow-pink);
  border: 1px solid rgba(255, 169, 194, 0.2); display: flex; justify-content: space-around; flex-wrap: wrap; gap: 20px;
}
.stat-item { text-align: center; }
.stat-num { font-family: var(--font-display); font-size: 36px; font-weight: bold; color: var(--pink-500); }
.stat-label { font-size: 14px; color: var(--ink-light); margin-top: 4px; }

/* 分类区域 */
.section { max-width: 1200px; margin: 0 auto; padding: 80px 24px; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-title { font-family: var(--font-display); font-size: clamp(28px, 4vw, 38px); font-weight: bold; color: var(--ink); margin-bottom: 12px; }
.section-desc { font-size: 16px; color: var(--ink-light); max-width: 500px; margin: 0 auto; }
.category-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; }
.category-card {
  position: relative; background: white; border-radius: var(--radius-md);
  padding: 36px 30px; text-decoration: none; color: inherit; overflow: hidden;
  border: 1.5px solid transparent; transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1); box-shadow: var(--shadow-soft);
}
.category-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; border-radius: 20px 20px 0 0; }
.category-card:nth-child(1)::before { background: #ffa9c2; }
.category-card:nth-child(2)::before { background: #c8a2d4; }
.category-card:nth-child(3)::before { background: #ffd194; }
.category-card:nth-child(4)::before { background: #ff7da6; }
.category-card:nth-child(5)::before { background: #e8b4a0; }
.category-card:nth-child(6)::before { background: #ffa9c2; }
.category-card:hover { transform: translateY(-8px); box-shadow: 0 20px 50px rgba(255, 91, 138, 0.2); border-color: var(--pink-200); }
.cat-header-row { display: flex; align-items: center; gap: 16px; margin-bottom: 12px; }
.cat-icon {
  width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 26px; flex-shrink: 0;
}
.category-card:nth-child(1) .cat-icon { background: #f0fdf4; }
.category-card:nth-child(2) .cat-icon { background: #fef3f7; }
.category-card:nth-child(3) .cat-icon { background: #f0f9ff; }
.category-card:nth-child(4) .cat-icon { background: #fefce8; }
.category-card:nth-child(5) .cat-icon { background: #fdf4ff; }
.category-card:nth-child(6) .cat-icon { background: #f0fdfa; }
.cat-title { font-size: 20px; font-weight: bold; color: var(--ink); }
.cat-desc { font-size: 14px; color: var(--ink-light); line-height: 1.7; margin-bottom: 16px; }
.cat-meta { display: flex; align-items: center; justify-content: space-between; }
.cat-count { font-size: 13px; color: var(--pink-500); font-weight: 600; background: var(--pink-50); padding: 4px 12px; border-radius: 12px; }
.cat-arrow { color: var(--pink-300); font-size: 18px; transition: transform 0.3s; }
.category-card:hover .cat-arrow { transform: translateX(6px); color: var(--pink-500); }

/* 热门测试 */
.hot-section { background: linear-gradient(180deg, transparent, var(--pink-100) 30%, transparent); padding: 60px 0; }
.hot-grid {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px;
}
.hot-card {
  background: white; border-radius: var(--radius-md); padding: 0; text-decoration: none; color: inherit;
  border: 1px solid rgba(255, 169, 194, 0.15); transition: all 0.3s; position: relative; overflow: hidden;
  display: flex; flex-direction: row; align-items: stretch;
}
.hot-card:hover { transform: translateY(-4px); box-shadow: 0 12px 35px rgba(255, 91, 138, 0.15); border-color: var(--pink-200); }
.hot-thumb {
  width: 80px; min-height: 80px; flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  font-size: 32px; position: relative; overflow: hidden;
}
.hot-card:nth-child(1) .hot-thumb { background: #fef3f7; }
.hot-card:nth-child(2) .hot-thumb { background: #fffbeb; }
.hot-card:nth-child(3) .hot-thumb { background: #f5f3ff; }
.hot-card:nth-child(4) .hot-thumb { background: #fef3f7; }
.hot-card:nth-child(5) .hot-thumb { background: #f5f3ff; }
.hot-card:nth-child(6) .hot-thumb { background: #fffbeb; }
.hot-card:nth-child(7) .hot-thumb { background: #fef3f7; }
.hot-card:nth-child(8) .hot-thumb { background: #f0f9ff; }
.hot-card:nth-child(9) .hot-thumb { background: #f5f3ff; }
.hot-card:nth-child(10) .hot-thumb { background: #fef3f7; }
.hot-card:nth-child(11) .hot-thumb { background: #fffbeb; }
.hot-card:nth-child(12) .hot-thumb { background: #f0fdfa; }
.hot-rank {
  position: absolute; top: 6px; left: 6px; background: rgba(255,255,255,0.85); backdrop-filter: blur(6px);
  color: var(--pink-500); font-size: 12px; font-weight: bold; width: 22px; height: 22px; border-radius: 7px;
  display: flex; align-items: center; justify-content: center; z-index: 2;
}
.hot-body { padding: 14px 16px; flex: 1; min-width: 0; display: flex; flex-direction: column; justify-content: center; }
.hot-title {
  font-size: 15px; font-weight: 600; color: var(--ink); margin-bottom: 6px; line-height: 1.4;
  overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.hot-info { font-size: 12px; color: var(--ink-light); display: flex; gap: 10px; }
.hot-info span { display: flex; align-items: center; gap: 3px; }

/* 关于区 */
.about-section { text-align: center; padding: 80px 24px; max-width: 700px; margin: 0 auto; }
.about-section h2 { font-family: var(--font-display); font-size: 32px; color: var(--ink); margin-bottom: 16px; }
.about-section p { font-size: 16px; color: var(--ink-soft); line-height: 2; }

/* 常见问题 */
.faq-section { max-width: 900px; margin: 0 auto; padding: 60px 24px; }
.faq-list { display: flex; flex-direction: column; gap: 14px; margin-top: 36px; }
.faq-item {
  background: white; border-radius: var(--radius-md); padding: 24px 28px;
  border: 1px solid rgba(255, 169, 194, 0.15); transition: all 0.3s; cursor: pointer;
}
.faq-item:hover { border-color: var(--pink-200); box-shadow: 0 6px 22px rgba(255, 91, 138, 0.1); }
.faq-item.open { border-color: var(--pink-300); box-shadow: 0 6px 22px rgba(255, 91, 138, 0.12); }
.faq-q { display: flex; align-items: center; gap: 12px; font-size: 16px; font-weight: 600; color: var(--ink); }
.faq-q-icon {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 8px; background: #fef3f7;
  display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: bold; color: var(--pink-500);
}
.faq-q-arrow { margin-left: auto; color: var(--ink-light); transition: transform 0.3s; font-size: 18px; }
.faq-item.open .faq-q-arrow { transform: rotate(180deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height 0.35s ease, margin-top 0.35s ease;
  font-size: 15px; color: var(--ink-soft); line-height: 1.9; padding-left: 40px;
}
.faq-item.open .faq-a { max-height: 300px; margin-top: 14px; }

/* 首页响应式 */
@media (max-width: 768px) {
  .hero { padding: 90px 16px 40px; }
  .stats-bar { margin: -30px 16px 0; padding: 24px 20px; }
  .stat-num { font-size: 28px; }
  .section { padding: 60px 16px; }
  .category-grid { grid-template-columns: 1fr; }
  .hot-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .hero { padding: 90px 16px 40px; }
  .stats-bar { flex-direction: column; gap: 12px; }
}