/* 陈美娇 - 完全原创CSS样式 */
/* 配色方案：玫瑰粉#e91e8c + 深紫#6c5ce7 + 暗夜#1a1a2e + 奶白#fdf6ff */

:root {
  --primary: #e91e8c;
  --primary-dark: #c2185b;
  --secondary: #6c5ce7;
  --accent: #fd79a8;
  --dark: #1a1a2e;
  --dark2: #16213e;
  --dark3: #0f3460;
  --light: #fdf6ff;
  --light2: #f8f0ff;
  --text: #2d2d3e;
  --text-muted: #7a7a9a;
  --border: #e8dff5;
  --white: #ffffff;
  --gradient-main: linear-gradient(135deg, #e91e8c, #6c5ce7);
  --gradient-dark: linear-gradient(135deg, #1a1a2e, #16213e);
  --shadow-sm: 0 2px 8px rgba(105,92,231,0.12);
  --shadow-md: 0 6px 24px rgba(105,92,231,0.18);
  --shadow-lg: 0 12px 40px rgba(105,92,231,0.22);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  background: var(--light);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(26,26,46,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(233,30,140,0.25);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 64px;
  max-width: 1200px;
  margin: 0 auto;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: cover;
  border: 2px solid var(--primary);
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
}

.brand-name em {
  color: var(--primary);
  font-style: normal;
}

.main-nav { display: flex; }

.nav-list {
  display: flex;
  list-style: none;
  gap: 4px;
}

.nav-item a {
  display: block;
  padding: 8px 14px;
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-item a:hover,
.nav-item.active a {
  color: var(--white);
  background: rgba(233,30,140,0.2);
}

.nav-item.active a {
  color: var(--accent);
}

.header-actions { display: flex; align-items: center; gap: 12px; }

.btn-join {
  background: var(--gradient-main);
  color: var(--white);
  border: none;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-join:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(233,30,140,0.4); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 8px;
}

/* 搜索框 */
.search-wrap {
  background: rgba(15,52,96,0.6);
  border-top: 1px solid rgba(233,30,140,0.15);
  padding: 10px 24px;
}

.search-inner {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  align-items: center;
}

.search-input {
  width: 100%;
  padding: 10px 48px 10px 18px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(233,30,140,0.3);
  border-radius: 24px;
  color: var(--white);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}

.search-input::placeholder { color: rgba(255,255,255,0.45); }

.search-input:focus {
  border-color: var(--primary);
  background: rgba(255,255,255,0.12);
  box-shadow: 0 0 0 3px rgba(233,30,140,0.15);
}

.search-btn {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: rgba(255,255,255,0.6);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  transition: var(--transition);
}

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

.search-suggest {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--dark2);
  border: 1px solid rgba(233,30,140,0.2);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: none;
  z-index: 100;
  overflow: hidden;
}

.search-suggest.show { display: block; }

.suggest-item {
  padding: 10px 18px;
  color: rgba(255,255,255,0.8);
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
}

.suggest-item:hover { background: rgba(233,30,140,0.15); color: var(--white); }

/* ===== Hero Banner ===== */
.hero-section {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 8s ease;
}

.hero-section:hover .hero-bg { transform: scale(1); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,26,46,0.88) 0%, rgba(108,92,231,0.55) 60%, rgba(233,30,140,0.35) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  background: rgba(233,30,140,0.25);
  border: 1px solid rgba(233,30,140,0.5);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 400;
  color: rgba(255,255,255,0.75);
  display: block;
}

.hero-desc {
  color: rgba(255,255,255,0.8);
  font-size: 1.05rem;
  max-width: 640px;
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-item strong {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-item span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
}

.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-primary {
  display: inline-block;
  background: var(--gradient-main);
  color: var(--white);
  padding: 13px 28px;
  border-radius: 28px;
  font-size: 0.95rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(233,30,140,0.35);
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(233,30,140,0.5);
  color: var(--white);
}

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--white);
  padding: 12px 28px;
  border-radius: 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border: 2px solid rgba(255,255,255,0.4);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(233,30,140,0.1);
}

/* ===== 面包屑 ===== */
.breadcrumb-wrap {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

.breadcrumb-wrap .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.breadcrumb {
  display: flex;
  list-style: none;
  gap: 6px;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumb li:not(:last-child)::after {
  content: '›';
  margin-left: 6px;
  color: var(--border);
}

.breadcrumb a { color: var(--primary); }

.update-time {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== 通用Section ===== */
.section-pad { padding: 72px 0; }

.dark-bg {
  background: var(--gradient-dark);
  color: var(--white);
}

.section-head {
  text-align: center;
  margin-bottom: 48px;
}

.section-head.light .section-title,
.section-head.light .section-sub { color: var(--white); }

.section-head.light .section-sub { color: rgba(255,255,255,0.7); }

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: var(--gradient-main);
  border-radius: 2px;
}

.dark-bg .section-title { color: var(--white); }

.section-sub {
  color: var(--text-muted);
  font-size: 1rem;
  margin-top: 16px;
}

.view-all {
  display: inline-block;
  margin-top: 12px;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
}

/* ===== 业务模块 ===== */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.biz-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.biz-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-main);
  transform: scaleX(0);
  transition: var(--transition);
}

.biz-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

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

.biz-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.biz-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.biz-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.card-link {
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
}

/* ===== 视频模块 ===== */
.video-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  justify-content: center;
}

.vtag {
  padding: 7px 18px;
  border-radius: 20px;
  border: 1px solid rgba(233,30,140,0.3);
  background: transparent;
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.vtag:hover, .vtag.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.video-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.dark-bg .video-card {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.08);
}

body:not(.dark-bg) .video-card,
.page-main .video-card {
  background: var(--white);
  border-color: var(--border);
}

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

.video-thumb-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}

.video-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.video-card:hover .video-thumb { transform: scale(1.05); }

.play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.35);
  opacity: 0;
  transition: var(--transition);
}

.video-card:hover .play-overlay { opacity: 1; }

.play-btn-circle {
  width: 56px;
  height: 56px;
  background: rgba(233,30,140,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(233,30,140,0.5);
  transform: scale(0.8);
  transition: var(--transition);
}

.video-card:hover .play-btn-circle { transform: scale(1); }

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: var(--white);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 600;
}

.video-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--gradient-main);
  color: var(--white);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.live-badge { background: linear-gradient(135deg,#e74c3c,#c0392b); }
.tutorial-badge { background: linear-gradient(135deg,#00b894,#00cec9); }
.mv-badge { background: linear-gradient(135deg,#6c5ce7,#a29bfe); }
.cosplay-badge { background: linear-gradient(135deg,#fd79a8,#e91e8c); }

.video-info { padding: 16px; }

.video-title {
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-title a { color: var(--dark); }
.dark-bg .video-title a { color: rgba(255,255,255,0.9); }
.page-main .video-title a { color: var(--dark); }

.video-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.dark-bg .video-meta { color: rgba(255,255,255,0.5); }

.meta-dot { color: var(--border); }
.meta-author { color: var(--primary); font-weight: 500; }

.video-interact {
  display: flex;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.dark-bg .video-interact { color: rgba(255,255,255,0.45); }

.section-cta { text-align: center; margin-top: 16px; }

/* ===== 专家团队 ===== */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.expert-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}

.expert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.expert-photo-wrap {
  position: relative;
  display: inline-block;
  margin-bottom: 16px;
}

.expert-photo {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary);
}

.expert-avatar-placeholder {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--white);
  border: 3px solid var(--primary);
}

.expert-badge {
  position: absolute;
  bottom: 4px;
  right: -4px;
  background: var(--gradient-main);
  color: var(--white);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.72rem;
  font-weight: 600;
}

.expert-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.expert-title {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 10px;
}

.expert-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

.expert-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-bottom: 16px;
}

.expert-tags span {
  background: var(--light2);
  color: var(--secondary);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

.expert-links { display: flex; gap: 10px; justify-content: center; }

.elink-contact, .elink-work {
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: var(--transition);
}

.elink-contact {
  background: var(--gradient-main);
  color: var(--white);
}

.elink-contact:hover { color: var(--white); box-shadow: 0 4px 12px rgba(233,30,140,0.35); }

.elink-work {
  border: 1px solid var(--primary);
  color: var(--primary);
}

.elink-work:hover { background: var(--primary); color: var(--white); }

/* ===== 社区模块 ===== */
.community-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.community-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.community-img { width: 100%; border-radius: var(--radius-lg); }

.community-live-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(231,76,60,0.9);
  color: var(--white);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  backdrop-filter: blur(8px);
}

.community-content { color: var(--white); }

.community-intro {
  color: rgba(255,255,255,0.8);
  margin-bottom: 28px;
  line-height: 1.8;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.feature-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feat-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-list strong {
  display: block;
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 4px;
}

.feature-list p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
}

/* ===== 合作伙伴 ===== */
.partner-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 56px;
}

.partner-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
}

.partner-item:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.howto-section { background: var(--light2); border-radius: var(--radius-lg); padding: 40px; }

.howto-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 28px;
  text-align: center;
}

.howto-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.step-item { text-align: center; }

.step-num {
  width: 52px;
  height: 52px;
  background: var(--gradient-main);
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}

.step-item h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.step-item p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== 用户评价 ===== */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.review-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
}

.review-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

.review-stars {
  color: #ffd700;
  font-size: 1rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.review-text {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 16px;
  font-style: italic;
}

.reviewer {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.reviewer strong { color: var(--accent); font-size: 0.9rem; }
.reviewer span { color: rgba(255,255,255,0.45); font-size: 0.8rem; }

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }

.faq-q {
  padding: 18px 24px;
  font-weight: 700;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
}

.faq-q::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--primary);
  font-weight: 400;
  transition: var(--transition);
}

.faq-item.open .faq-q::after { content: '−'; }

.faq-a {
  padding: 0 24px 18px;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.8;
  display: none;
}

.faq-item.open .faq-a { display: block; }

/* ===== 联系我们 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 20px;
}

.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text);
}

.ci-icon { font-size: 1.1rem; flex-shrink: 0; }

.biz-scope h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.scope-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.scope-tags span {
  background: var(--light2);
  color: var(--secondary);
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 0.8rem;
  font-weight: 500;
}

.contact-qr {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.qr-box {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.qr-placeholder {
  width: 140px;
  height: 140px;
  background: var(--light2);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.qr-code-visual {
  width: 120px;
  height: 120px;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 8px, #e91e8c 8px, #e91e8c 9px),
    repeating-linear-gradient(90deg, transparent, transparent 8px, #6c5ce7 8px, #6c5ce7 9px);
  opacity: 0.6;
}

.qr-box p {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--dark);
}

.qr-box small { font-size: 0.78rem; color: var(--text-muted); }

/* ===== 社交分享 ===== */
.share-section {
  background: var(--light2);
  padding: 28px 0;
  text-align: center;
}

.share-title {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.share-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.share-btn {
  padding: 9px 22px;
  border-radius: 22px;
  border: none;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.share-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }

.share-btn.wechat { background: #07c160; color: white; }
.share-btn.weibo { background: #e6162d; color: white; }
.share-btn.douyin { background: #000000; color: white; }
.share-btn.bilibili { background: #00a1d6; color: white; }

/* ===== 页脚 ===== */
.site-footer { background: var(--dark); color: rgba(255,255,255,0.7); }

.footer-main { padding: 56px 0 40px; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.brand-col .footer-logo {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  margin-bottom: 12px;
  border: 2px solid var(--primary);
}

.footer-brand {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}

.brand-col p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
  margin-bottom: 16px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  padding: 6px 14px;
  border-radius: 16px;
  font-size: 0.8rem;
  transition: var(--transition);
}

.footer-social a:hover { background: var(--primary); color: var(--white); }

.footer-col h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }

.footer-col a {
  color: rgba(255,255,255,0.55);
  font-size: 0.875rem;
  transition: var(--transition);
}

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

.footer-bottom {
  background: rgba(0,0,0,0.3);
  padding: 18px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-bottom p {
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  margin-bottom: 6px;
}

.footer-links a {
  color: rgba(255,255,255,0.4);
  font-size: 0.8rem;
  transition: var(--transition);
}

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

/* ===== 内页通用 ===== */
.page-banner {
  position: relative;
  padding: 60px 24px;
  min-height: 220px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
}

.banner-text {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.banner-text h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  margin: 12px 0 10px;
}

.banner-text p {
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  margin-bottom: 10px;
}

.banner-text .update-time {
  color: rgba(255,255,255,0.5);
  font-size: 0.82rem;
}

.page-main { padding: 48px 0; }

/* 筛选栏 */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.filter-tags { display: flex; gap: 8px; flex-wrap: wrap; }

.filter-tags .vtag {
  color: var(--text-muted);
  border-color: var(--border);
  background: var(--white);
}

.filter-tags .vtag:hover,
.filter-tags .vtag.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.sort-select select {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.875rem;
  color: var(--text);
  background: var(--white);
  cursor: pointer;
}

/* 分页 */
.pagination {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 40px;
}

.page-btn {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.page-btn:hover, .page-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.next-btn { width: auto; padding: 0 16px; }

/* 社区页 */
.community-stats {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
  padding: 28px;
  background: var(--light2);
  border-radius: var(--radius-lg);
}

.cstat-item { text-align: center; }
.cstat-item strong { display: block; font-size: 1.8rem; font-weight: 800; color: var(--primary); }
.cstat-item span { font-size: 0.85rem; color: var(--text-muted); }

.community-block { margin-bottom: 48px; }

.block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 8px;
}

.block-head h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
}

.live-count { font-size: 0.85rem; color: #e74c3c; font-weight: 600; }

.live-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.live-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.live-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.live-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.live-thumb img { width: 100%; height: 100%; object-fit: cover; }

.live-badge-red {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(231,76,60,0.9);
  color: white;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.live-viewers {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.7);
  color: white;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.75rem;
}

.live-info { padding: 14px; }
.live-title { font-size: 0.875rem; font-weight: 600; color: var(--dark); margin-bottom: 6px; line-height: 1.4; }
.live-author { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 10px; }

.btn-watch {
  background: var(--gradient-main);
  color: white;
  border: none;
  padding: 7px 18px;
  border-radius: 16px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-watch:hover { box-shadow: 0 4px 12px rgba(233,30,140,0.35); }

.topic-list { display: flex; flex-direction: column; gap: 12px; }

.topic-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  flex-wrap: wrap;
}

.topic-item:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }

.topic-tag { font-weight: 700; color: var(--primary); font-size: 0.95rem; min-width: 200px; }
.topic-desc { color: var(--text-muted); font-size: 0.875rem; flex: 1; }
.topic-hot { color: #e74c3c; font-size: 0.82rem; font-weight: 600; }

.btn-topic {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 16px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-topic:hover { background: var(--primary); color: white; }

.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.feat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  transition: var(--transition);
}

.feat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary); }

.feat-icon-lg { font-size: 2.5rem; margin-bottom: 14px; }
.feat-card h3 { font-size: 1rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.feat-card p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; }

/* 创作中心 */
.create-section { margin-bottom: 56px; }
.create-section .section-title { text-align: left; }
.create-section .section-title::after { left: 0; transform: none; }

.create-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.create-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
}

.create-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary); }

.create-icon { font-size: 2.2rem; margin-bottom: 14px; }
.create-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.create-card p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; }

.create-stats {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.create-stats strong { color: var(--primary); }

.tutorial-list { display: flex; flex-direction: column; gap: 16px; }

.tutorial-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.tutorial-item:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }

.tutorial-thumb {
  position: relative;
  width: 120px;
  height: 68px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}

.tutorial-thumb img { width: 100%; height: 100%; object-fit: cover; }

.tutorial-info { flex: 1; }
.tutorial-info h3 { font-size: 0.9rem; font-weight: 600; color: var(--dark); margin-bottom: 8px; }

.tutorial-meta { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; }

.level-badge {
  padding: 2px 10px;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 600;
}

.level-入门 { background: #e8f5e9; color: #2e7d32; }
.level-进阶 { background: #fff3e0; color: #e65100; }
.level-专业 { background: #fce4ec; color: #c62828; }

.btn-watch-sm {
  background: var(--gradient-main);
  color: white;
  border: none;
  padding: 7px 16px;
  border-radius: 14px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.btn-watch-sm:hover { box-shadow: 0 4px 12px rgba(233,30,140,0.35); }

/* 关于我们 */
.about-section { margin-bottom: 56px; }

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-img img { width: 100%; }

.about-text h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 16px;
}

.about-text p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 14px;
}

.about-milestones {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.milestone { text-align: center; }
.milestone strong { display: block; font-size: 1.4rem; font-weight: 800; color: var(--primary); }
.milestone span { font-size: 0.8rem; color: var(--text-muted); }

.about-links h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 14px;
}

.about-links ul { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.about-links a { color: var(--primary); font-size: 0.9rem; }
.about-links a:hover { color: var(--primary-dark); }

.legal-links h4 { font-size: 0.95rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.legal-links p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

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

@media (max-width: 768px) {
  .main-nav { display: none; }
  .main-nav.open { display: flex; }
  .nav-list { flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--dark); padding: 16px; gap: 4px; }
  .nav-toggle { display: block; }
  .hero-section { min-height: 420px; }
  .hero-stats { gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .video-grid { grid-template-columns: 1fr; }
  .biz-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: 1fr 1fr; }
  .howto-steps { grid-template-columns: 1fr 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .filter-bar { flex-direction: column; align-items: flex-start; }
  .live-grid { grid-template-columns: 1fr; }
  .create-grid { grid-template-columns: 1fr; }
  .tutorial-item { flex-wrap: wrap; }
  .tutorial-thumb { width: 100%; height: 160px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.8rem; }
  .hero-stats { gap: 16px; }
  .stat-item strong { font-size: 1.3rem; }
  .expert-grid { grid-template-columns: 1fr; }
  .howto-steps { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-outline { text-align: center; }
  .contact-qr { flex-direction: column; align-items: center; }
}