/* ========================================
   糖心Vlog - 主样式文件
   现代极简高端风格
   ======================================== */

/* ---- CSS变量 ---- */
:root {
  --primary: #e8456a;
  --primary-light: #ff7a9a;
  --primary-dark: #c0304f;
  --accent: #ff6b35;
  --text-dark: #0f0f0f;
  --text-mid: #4a4a4a;
  --text-light: #888888;
  --bg-white: #ffffff;
  --bg-light: #fafafa;
  --bg-cream: #f5f0eb;
  --border: #ebebeb;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.10);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.14);
  --font-main: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-main);
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font-main); }
input, textarea, select { font-family: var(--font-main); }

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

/* ---- 面包屑 ---- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 0;
  font-size: 0.85rem;
  color: var(--text-light);
}
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current { color: var(--text-mid); font-weight: 600; }

/* ---- 顶部导航 ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}
.site-header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 68px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
}
.logo-text {
  font-size: 1.25rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.main-nav a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-mid);
  transition: all var(--transition);
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--primary);
  background: rgba(232,69,106,0.08);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.btn-login {
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-mid);
  border: 1.5px solid var(--border);
  transition: all var(--transition);
}
.btn-login:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.btn-post {
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 700;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  transition: all var(--transition);
}
.btn-post:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(232,69,106,0.35);
}
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---- 搜索栏 ---- */
.search-bar-wrap {
  background: var(--bg-cream);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.search-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  gap: 12px;
  align-items: center;
}
.search-input-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  background: white;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  padding: 10px 18px;
  transition: border-color var(--transition);
}
.search-input-wrap:focus-within {
  border-color: var(--primary);
}
.search-input-wrap svg { color: var(--text-light); flex-shrink: 0; }
.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 0.9rem;
  color: var(--text-dark);
  background: transparent;
}
.search-input::placeholder { color: var(--text-light); }
.btn-search {
  padding: 10px 24px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 700;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  transition: all var(--transition);
  flex-shrink: 0;
}
.btn-search:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(232,69,106,0.35);
}

/* ---- 移动端菜单 ---- */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255,255,255,0.98);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  transform: translateX(-100%);
  transition: transform var(--transition);
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav a {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-dark);
}
.mobile-nav a.active,
.mobile-nav a:hover { color: var(--primary); }
.mobile-nav-close {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 1.5rem;
  color: var(--text-mid);
  padding: 8px;
}

/* ---- 通用按钮 ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-size: 0.95rem;
  font-weight: 700;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232,69,106,0.4);
  color: white;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 100px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
  background: white;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* ---- Section通用 ---- */
section {
  padding: 80px 0;
}
.bg-light { background: var(--bg-light); }
.bg-cream { background: var(--bg-cream); }
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(232,69,106,0.08);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  color: var(--text-dark);
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}
.section-desc {
  font-size: 1rem;
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}
.text-center { text-align: center; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 80px 0;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,15,15,0.82) 0%, rgba(15,15,15,0.5) 60%, rgba(15,15,15,0.2) 100%);
}
.hero .container { position: relative; z-index: 1; }
.hero-content { max-width: 640px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
  backdrop-filter: blur(10px);
}
.hero-content h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 900;
  color: white;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.hero-content h1 .brand {
  background: linear-gradient(135deg, #ff7a9a, #ffb347);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.hero-actions .btn-secondary {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.3);
  color: white;
  backdrop-filter: blur(10px);
}
.hero-actions .btn-secondary:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.6);
  color: white;
}
.hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hero-stat .num {
  font-size: 1.4rem;
  font-weight: 900;
  color: white;
}
.hero-stat .label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
}

/* ---- 视频卡片 ---- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.video-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-cream);
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0);
  transition: background var(--transition);
}
.video-card:hover .video-play-btn { background: rgba(0,0,0,0.35); }
.play-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.7);
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.play-icon svg {
  width: 20px;
  height: 20px;
  fill: var(--primary);
  margin-left: 3px;
}
.video-card:hover .play-icon {
  opacity: 1;
  transform: scale(1);
}
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
}
.video-tag {
  position: absolute;
  top: 8px;
  left: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
}
.video-info { padding: 16px; }
.video-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.video-author {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-light);
}
.author-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-size: 0.75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.video-stats {
  display: flex;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--text-light);
}

/* ---- 视频弹窗 ---- */
.video-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.video-modal.open {
  opacity: 1;
  pointer-events: all;
}
.video-modal-inner {
  background: #111;
  border-radius: 20px;
  width: 90%;
  max-width: 640px;
  aspect-ratio: 16/9;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.video-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  color: white;
  font-size: 1.2rem;
  padding: 8px;
  z-index: 1;
  opacity: 0.7;
}
.video-modal-close:hover { opacity: 1; }
.video-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.7);
  text-align: center;
  padding: 24px;
}
.video-placeholder svg {
  width: 64px;
  height: 64px;
  color: rgba(255,255,255,0.3);
}
.video-placeholder p { font-size: 0.95rem; }

/* ---- 板块卡片 ---- */
.sections-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.section-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  display: block;
  cursor: pointer;
}
.section-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.section-card:hover img { transform: scale(1.08); }
.section-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
}
.section-card-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: white;
  margin-bottom: 4px;
}
.section-card-desc {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
}
.section-card-count {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0,0,0,0.6);
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
  backdrop-filter: blur(6px);
}

/* ---- 话题列表 ---- */
.topics-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.topic-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 10px;
  transition: background var(--transition);
  cursor: pointer;
}
.topic-item:hover { background: var(--bg-cream); }
.topic-rank {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 900;
  flex-shrink: 0;
}
.topic-rank.top1 { background: #ff4d4d; color: white; }
.topic-rank.top2 { background: #ff8c42; color: white; }
.topic-rank.top3 { background: #ffc107; color: white; }
.topic-rank.other { background: var(--bg-cream); color: var(--text-light); }
.topic-title {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.4;
}
.topic-stats {
  display: flex;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--text-light);
  flex-shrink: 0;
}

/* ---- 统计区 ---- */
.stats-section {
  background: linear-gradient(135deg, #0f0f0f 0%, #1a1a2e 100%);
  padding: 80px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stat-item .num {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-light), #ffb347);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-item .label {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
}

/* ---- 评价卡片 ---- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.review-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
}
.review-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: transparent;
}
.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-size: 0.9rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.review-user-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-dark);
}
.review-date {
  font-size: 0.78rem;
  color: var(--text-light);
  margin-top: 2px;
}
.review-stars {
  margin-left: auto;
  color: #ffc107;
  font-size: 0.85rem;
}
.review-content {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.8;
}

/* ---- FAQ ---- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text-light);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--primary); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
}
.faq-answer p {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.8;
}

/* ---- CTA区 ---- */
.cta-section {
  background: var(--bg-cream);
  padding: 80px 0;
}
.cta-box {
  background: white;
  border-radius: 28px;
  padding: 64px 48px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  max-width: 680px;
  margin: 0 auto;
}
.cta-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 900;
  color: var(--text-dark);
  line-height: 1.2;
  margin-bottom: 16px;
}
.cta-desc {
  font-size: 1rem;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 28px;
}
.cta-form {
  display: flex;
  gap: 10px;
  max-width: 480px;
  margin: 0 auto;
}
.cta-input {
  flex: 1;
  padding: 13px 20px;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
}
.cta-input:focus { border-color: var(--primary); }

/* ---- 标签 ---- */
.tags-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-mid);
  background: var(--bg-cream);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}
.tag:hover,
.tag.active {
  background: rgba(232,69,106,0.08);
  color: var(--primary);
  border-color: rgba(232,69,106,0.2);
}

/* ---- 页脚 ---- */
.site-footer {
  background: #0f0f0f;
  color: rgba(255,255,255,0.7);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .logo-text { color: white; -webkit-text-fill-color: white; background: none; }
.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.5);
  margin-top: 12px;
  margin-bottom: 20px;
}
.footer-social {
  display: flex;
  gap: 8px;
}
.social-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.6);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.social-btn:hover {
  background: var(--primary);
  color: white;
}
.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul li a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--primary-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copyright p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}
.footer-links {
  display: flex;
  gap: 20px;
}
.footer-links a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--primary-light); }

/* ---- 内页Hero ---- */
.page-hero {
  background: linear-gradient(135deg, #0f0f0f 0%, #1a0a10 100%);
  padding: 60px 0;
  text-align: center;
}
.page-hero h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 900;
  color: white;
  margin-bottom: 12px;
}
.page-hero p {
  font-size: 1rem;
  color: rgba(255,255,255,0.6);
  max-width: 480px;
  margin: 0 auto;
}

/* ---- 内容+侧边栏布局 ---- */
.content-with-sidebar {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}
.sidebar-widget {
  background: var(--bg-cream);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
}
.sidebar-widget h3 {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
}

/* ---- 分页 ---- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}
.page-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-mid);
  background: var(--bg-cream);
  border: 1.5px solid transparent;
  transition: all var(--transition);
}
.page-btn:hover,
.page-btn.active {
  background: var(--primary);
  color: white;
}

/* ---- 排行表格 ---- */
.rank-table {
  width: 100%;
  border-collapse: collapse;
}
.rank-table th {
  padding: 14px 16px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-light);
  text-align: left;
  background: var(--bg-cream);
  border-bottom: 1px solid var(--border);
}
.rank-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.rank-table tr:last-child td { border-bottom: none; }
.rank-table tr:hover td { background: var(--bg-light); }
.rank-num {
  font-size: 1.1rem;
  font-weight: 900;
  display: block;
  text-align: center;
}

/* ---- 滚动动画 ---- */
.animate-in {
  animation: fadeInUp 0.5s ease forwards;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .sections-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .content-with-sidebar { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  section { padding: 56px 0; }
  .main-nav { display: none; }
  .btn-login { display: none; }
  .btn-post { display: none; }
  .mobile-menu-btn { display: flex; }
  .hero { min-height: 480px; padding: 60px 0; }
  .hero-content h1 { font-size: 2rem; }
  .hero-stats { gap: 20px; }
  .video-grid { grid-template-columns: 1fr; }
  .sections-grid { grid-template-columns: 1fr 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-form { flex-direction: column; }
  .cta-box { padding: 40px 24px; }
  .search-bar-inner { flex-direction: column; gap: 8px; }
  .btn-search { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .sections-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary { justify-content: center; }
}