/* ========================================
   福利导航 - 主样式文件
   品牌色：#e91e8c (粉红) / #7b2ff7 (紫) / #0d0a1a (深黑)
   域名：bdjepp.cn
   ======================================== */

/* ---- 全局重置 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --pink:        #e91e8c;
  --pink-light:  #ff6ec7;
  --purple:      #7b2ff7;
  --purple-dark: #4a1a9e;
  --dark:        #0d0a1a;
  --dark2:       #160d2e;
  --dark3:       #1e1040;
  --card-bg:     #1a1035;
  --text:        #e8dff8;
  --text-muted:  #9e8fc0;
  --border:      rgba(123,47,247,.25);
  --radius:      12px;
  --radius-lg:   20px;
  --shadow:      0 8px 32px rgba(123,47,247,.18);
  --glow-pink:   0 0 20px rgba(233,30,140,.45);
  --glow-purple: 0 0 20px rgba(123,47,247,.45);
  --transition:  .3s ease;
}

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

body {
  font-family: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--pink-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: #fff; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* ---- 滚动条 ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark2); }
::-webkit-scrollbar-thumb { background: var(--purple); border-radius: 3px; }

/* ========================================
   HEADER / NAV
   ======================================== */
#site-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(13,10,26,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
#site-header.scrolled { background: rgba(13,10,26,.98); }

.header-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 68px;
}

.site-logo { display: flex; align-items: center; gap: 10px; }
.site-logo img.logo-img { height: 44px; width: auto; }
.site-logo .logo-text {
  font-size: 1.25rem; font-weight: 800;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: .5px;
}

/* 主导航 */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  color: var(--text); font-size: .9rem; font-weight: 500;
  padding: 8px 14px; border-radius: 8px;
  transition: background var(--transition), color var(--transition);
}
.main-nav a:hover, .main-nav a.active {
  background: rgba(233,30,140,.15); color: var(--pink-light);
}

/* 汉堡菜单 */
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 搜索框 */
.header-search {
  display: flex; align-items: center;
  background: rgba(255,255,255,.07); border: 1px solid var(--border);
  border-radius: 24px; overflow: hidden; transition: border-color var(--transition);
}
.header-search:focus-within { border-color: var(--pink); }
.header-search input {
  background: none; border: none; outline: none;
  color: var(--text); font-size: .875rem;
  padding: 8px 16px; width: 200px;
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search button {
  background: linear-gradient(135deg, var(--pink), var(--purple));
  border: none; cursor: pointer; color: #fff;
  padding: 8px 16px; font-size: .875rem; transition: opacity var(--transition);
}
.header-search button:hover { opacity: .85; }

/* 搜索下拉提示 */
.search-dropdown {
  display: none; position: absolute; top: 100%; left: 0; width: 100%;
  background: var(--dark2); border: 1px solid var(--border);
  border-radius: 0 0 12px 12px; padding: 8px 0; z-index: 100;
}
.search-dropdown.show { display: block; }
.search-dropdown a {
  display: block; padding: 10px 20px; color: var(--text-muted);
  font-size: .875rem; transition: background var(--transition);
}
.search-dropdown a:hover { background: rgba(233,30,140,.1); color: var(--pink-light); }

/* 搜索栏（导航下方独立行） */
.search-bar-row {
  background: rgba(22,13,46,.95);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.search-bar-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 12px; position: relative;
}
.search-bar-inner .search-icon { color: var(--text-muted); font-size: 1rem; }
.search-bar-inner input {
  flex: 1; background: rgba(255,255,255,.06); border: 1px solid var(--border);
  border-radius: 24px; outline: none; color: var(--text);
  font-size: .9rem; padding: 9px 20px; transition: border-color var(--transition);
}
.search-bar-inner input:focus { border-color: var(--pink); }
.search-bar-inner input::placeholder { color: var(--text-muted); }
.search-bar-inner .search-btn {
  background: linear-gradient(135deg, var(--pink), var(--purple));
  border: none; border-radius: 24px; color: #fff;
  padding: 9px 24px; cursor: pointer; font-size: .875rem;
  font-weight: 600; transition: opacity var(--transition);
}
.search-bar-inner .search-btn:hover { opacity: .85; }
.search-hot-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }
.search-hot-tags span {
  font-size: .75rem; color: var(--text-muted); cursor: pointer;
  padding: 3px 10px; border-radius: 12px; border: 1px solid var(--border);
  transition: all var(--transition);
}
.search-hot-tags span:hover { border-color: var(--pink); color: var(--pink-light); }

/* ========================================
   HERO / BANNER
   ======================================== */
.hero-section {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; padding-top: 68px;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('../images/banner-bg.jpg');
  background-size: cover; background-position: center;
  filter: brightness(.55) saturate(1.2);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg,
    rgba(13,10,26,.85) 0%,
    rgba(123,47,247,.25) 50%,
    rgba(233,30,140,.15) 100%);
}
.hero-content {
  position: relative; z-index: 2;
  text-align: center; max-width: 860px; padding: 0 24px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(233,30,140,.15); border: 1px solid rgba(233,30,140,.4);
  border-radius: 24px; padding: 6px 18px; margin-bottom: 24px;
  font-size: .8rem; color: var(--pink-light); font-weight: 600;
  letter-spacing: .5px; text-transform: uppercase;
}
.hero-badge .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--pink);
  animation: pulse 1.5s infinite;
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 900; line-height: 1.15;
  color: #fff; margin-bottom: 20px; letter-spacing: -1px;
  text-shadow: 0 2px 20px rgba(233,30,140,.3);
}
.hero-title span {
  background: linear-gradient(135deg, var(--pink), var(--purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  font-size: 1.05rem; color: rgba(232,223,248,.8);
  max-width: 640px; margin: 0 auto 32px; line-height: 1.8;
}
.hero-stats {
  display: flex; justify-content: center; gap: 32px;
  margin-bottom: 36px; flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat .num {
  display: block; font-size: 1.6rem; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-stat .label { font-size: .78rem; color: var(--text-muted); margin-top: 2px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  z-index: 2;
}
.hero-scroll span {
  display: block; width: 2px; height: 40px;
  background: linear-gradient(to bottom, var(--pink), transparent);
  margin: 0 auto; animation: scrollDown 1.5s ease-in-out infinite;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  color: #fff; font-weight: 700; font-size: .95rem;
  padding: 14px 32px; border-radius: 50px; border: none; cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  box-shadow: 0 4px 20px rgba(233,30,140,.35);
  text-decoration: none;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(233,30,140,.5); color: #fff; }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: #fff; font-weight: 700; font-size: .95rem;
  padding: 13px 32px; border-radius: 50px;
  border: 2px solid rgba(255,255,255,.35); cursor: pointer;
  transition: all var(--transition); text-decoration: none;
}
.btn-outline:hover { border-color: var(--pink); color: var(--pink-light); background: rgba(233,30,140,.08); }
.btn-sm { display: inline-flex; align-items: center; gap: 6px; font-size: .82rem; font-weight: 600; padding: 8px 18px; border-radius: 24px; border: none; cursor: pointer; transition: all var(--transition); }
.btn-sm.primary { background: linear-gradient(135deg, var(--pink), var(--purple)); color: #fff; }
.btn-sm.primary:hover { opacity: .85; }
.btn-sm.outline { background: transparent; border: 1px solid var(--border); color: var(--text-muted); }
.btn-sm.outline:hover { border-color: var(--pink); color: var(--pink-light); }

/* ========================================
   SECTIONS
   ======================================== */
.section { padding: 80px 0; }
.section-alt { background: var(--dark2); }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

.section-header { text-align: center; margin-bottom: 48px; }
.section-tag {
  display: inline-block; font-size: .75rem; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--pink); background: rgba(233,30,140,.1);
  border: 1px solid rgba(233,30,140,.3); border-radius: 24px;
  padding: 4px 14px; margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800;
  color: #fff; line-height: 1.25; margin-bottom: 14px;
}
.section-title span {
  background: linear-gradient(135deg, var(--pink), var(--purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.section-desc { font-size: .95rem; color: var(--text-muted); max-width: 640px; margin: 0 auto; line-height: 1.8; }

/* ========================================
   VIDEO CARDS
   ======================================== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.video-card {
  background: var(--card-bg); border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(233,30,140,.4);
}
.video-thumb {
  position: relative; aspect-ratio: 16/9; overflow: hidden;
}
.video-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .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,.35);
  opacity: 0; transition: opacity var(--transition);
}
.video-card:hover .video-play-btn { opacity: 1; }
.video-play-btn .play-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: rgba(233,30,140,.85);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 24px rgba(233,30,140,.6);
  transition: transform var(--transition);
}
.video-card:hover .play-icon { transform: scale(1.1); }
.play-icon svg { width: 22px; height: 22px; fill: #fff; margin-left: 3px; }
.video-badge {
  position: absolute; top: 10px; left: 10px;
  background: var(--pink); color: #fff;
  font-size: .7rem; font-weight: 700; padding: 3px 10px;
  border-radius: 12px; letter-spacing: .5px;
}
.video-duration {
  position: absolute; bottom: 8px; right: 10px;
  background: rgba(0,0,0,.75); color: #fff;
  font-size: .75rem; padding: 2px 8px; border-radius: 6px;
}
.video-info { padding: 16px; }
.video-title {
  font-size: .95rem; font-weight: 700; color: #fff;
  margin-bottom: 8px; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.video-meta {
  display: flex; align-items: center; justify-content: space-between;
  font-size: .78rem; color: var(--text-muted);
}
.video-meta .channel { display: flex; align-items: center; gap: 6px; }
.video-meta .channel img { width: 22px; height: 22px; border-radius: 50%; object-fit: cover; }
.video-stats { display: flex; gap: 12px; }
.video-stats span { display: flex; align-items: center; gap: 4px; }

/* ========================================
   TABS
   ======================================== */
.tab-section { margin-top: 32px; }
.tab-nav {
  display: flex; gap: 8px; margin-bottom: 32px;
  border-bottom: 1px solid var(--border); padding-bottom: 0;
  overflow-x: auto; scrollbar-width: none;
}
.tab-nav::-webkit-scrollbar { display: none; }
.tab-btn {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: .9rem; font-weight: 600;
  padding: 12px 20px; border-bottom: 2px solid transparent;
  transition: all var(--transition); white-space: nowrap;
}
.tab-btn.active, .tab-btn:hover { color: var(--pink); border-bottom-color: var(--pink); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ========================================
   EXPERT CARDS
   ======================================== */
.expert-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}
.expert-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex; flex-direction: column;
}
.expert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.expert-photo { width: 100%; aspect-ratio: 4/3; overflow: hidden; }
.expert-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.expert-card:hover .expert-photo img { transform: scale(1.05); }
.expert-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.expert-name { font-size: 1.15rem; font-weight: 800; color: #fff; margin-bottom: 4px; }
.expert-role { font-size: .8rem; color: var(--pink); font-weight: 600; margin-bottom: 12px; }
.expert-desc { font-size: .85rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; flex: 1; }
.expert-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.expert-tags .tag {
  font-size: .72rem; padding: 3px 10px; border-radius: 12px;
  background: rgba(123,47,247,.15); border: 1px solid rgba(123,47,247,.3);
  color: #a78bfa;
}
.expert-actions { display: flex; gap: 10px; }

/* ========================================
   AI FEATURES
   ======================================== */
.ai-features {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.ai-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
  transition: transform var(--transition), border-color var(--transition);
}
.ai-card:hover { transform: translateY(-4px); border-color: rgba(233,30,140,.4); }
.ai-icon { font-size: 2rem; margin-bottom: 16px; }
.ai-card h3 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
.ai-card p { font-size: .85rem; color: var(--text-muted); line-height: 1.7; }

/* ========================================
   COMMUNITY GRID
   ======================================== */
.community-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.community-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px; text-align: center;
  transition: transform var(--transition), border-color var(--transition);
}
.community-card:hover { transform: translateY(-4px); border-color: rgba(233,30,140,.4); }
.community-icon { font-size: 2.5rem; margin-bottom: 14px; }
.community-card h3 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.community-card p { font-size: .82rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 12px; }
.community-count {
  font-size: .8rem; font-weight: 700;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

/* ========================================
   FAQ
   ======================================== */
.faq-list { max-width: 800px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.faq-question {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 24px; cursor: pointer; font-weight: 600; color: #fff;
  transition: background var(--transition);
}
.faq-question:hover { background: rgba(233,30,140,.06); }
.faq-icon { font-size: 1.2rem; color: var(--pink); transition: transform var(--transition); flex-shrink: 0; margin-left: 12px; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  display: none; padding: 0 24px 20px;
  font-size: .9rem; color: var(--text-muted); line-height: 1.8;
}
.faq-item.open .faq-answer { display: block; }

/* ========================================
   REVIEWS
   ======================================== */
.reviews-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.review-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
  transition: transform var(--transition);
}
.review-card:hover { transform: translateY(-3px); }
.review-header { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.review-avatar {
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 800; color: #fff;
}
.review-user h4 { font-size: .9rem; font-weight: 700; color: #fff; }
.review-user span { font-size: .75rem; color: var(--text-muted); }
.review-stars { color: #ffc107; font-size: .9rem; margin-bottom: 10px; }
.review-text { font-size: .85rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 10px; }
.review-game { font-size: .78rem; color: var(--pink-light); }

/* ========================================
   PARTNERS
   ======================================== */
.partners-row {
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: center;
}
.partner-logo {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 28px;
  font-size: .9rem; font-weight: 600; color: var(--text-muted);
  transition: all var(--transition);
}
.partner-logo:hover { border-color: var(--pink); color: var(--pink-light); }

/* ========================================
   JOIN STEPS
   ======================================== */
.join-steps {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}
.join-step {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px; text-align: center;
}
.step-num {
  width: 48px; height: 48px; border-radius: 50%; margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 800; color: #fff;
}
.join-step h3 { font-size: .95rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.join-step p { font-size: .82rem; color: var(--text-muted); line-height: 1.7; }

/* ========================================
   CONTACT
   ======================================== */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  align-items: start;
}
.contact-info h2 { font-size: 1.4rem; font-weight: 800; color: #fff; margin-bottom: 24px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 20px; }
.contact-icon {
  width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
  background: rgba(233,30,140,.1); border: 1px solid rgba(233,30,140,.2);
  display: flex; align-items: center; justify-content: center; font-size: 1rem;
}
.contact-item h4 { font-size: .85rem; font-weight: 700; color: #fff; margin-bottom: 2px; }
.contact-item p { font-size: .82rem; color: var(--text-muted); }
.qr-row { display: flex; gap: 24px; flex-wrap: wrap; }
.qr-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; text-align: center; flex: 1; min-width: 140px;
}
.qr-card canvas { margin: 0 auto 10px; border-radius: 8px; }
.qr-card h4 { font-size: .85rem; font-weight: 700; color: #fff; margin-bottom: 4px; }
.qr-card p { font-size: .75rem; color: var(--text-muted); }

/* ========================================
   SHARE BAR
   ======================================== */
.share-bar {
  background: var(--dark2); border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border); padding: 14px 0;
}
.share-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.share-label { font-size: .85rem; color: var(--text-muted); }
.share-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.share-btn {
  background: rgba(255,255,255,.06); border: 1px solid var(--border);
  border-radius: 24px; color: var(--text-muted); font-size: .8rem;
  padding: 6px 16px; cursor: pointer; transition: all var(--transition);
}
.share-btn:hover { border-color: var(--pink); color: var(--pink-light); background: rgba(233,30,140,.08); }

/* ========================================
   FOOTER
   ======================================== */
#site-footer {
  background: var(--dark2); border-top: 1px solid var(--border);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; padding-bottom: 48px;
}
.footer-brand .logo-wrap { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .brand-name { font-size: 1.2rem; font-weight: 800; color: #fff; }
.footer-brand p { font-size: .85rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.social-icon {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,.06); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; color: var(--text-muted); transition: all var(--transition);
}
.social-icon:hover { border-color: var(--pink); color: var(--pink-light); background: rgba(233,30,140,.1); }
.footer-col h4 { font-size: .9rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: .85rem; color: var(--text-muted); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--pink-light); }
.footer-bottom {
  border-top: 1px solid var(--border); padding: 20px 24px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px; max-width: 1280px; margin: 0 auto;
}
.footer-bottom p { font-size: .8rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: .8rem; color: var(--text-muted); transition: color var(--transition); }
.footer-links a:hover { color: var(--pink-light); }

/* ========================================
   BREADCRUMB
   ======================================== */
.breadcrumb {
  background: rgba(22,13,46,.95); border-bottom: 1px solid var(--border);
  padding: 12px 0; margin-top: 120px;
}
.breadcrumb-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 8px;
  font-size: .82rem; color: var(--text-muted);
}
.breadcrumb-inner a { color: var(--text-muted); transition: color var(--transition); }
.breadcrumb-inner a:hover { color: var(--pink-light); }
.breadcrumb-inner .sep { color: var(--border); }
.breadcrumb-inner .current { color: var(--pink-light); }

/* ========================================
   PAGE HERO (内页)
   ======================================== */
.page-hero {
  background: linear-gradient(135deg, var(--dark2), var(--dark3));
  padding: 60px 0; text-align: center;
}
.page-hero h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 900; color: #fff;
  margin-bottom: 14px;
}
.page-hero h1 span {
  background: linear-gradient(135deg, var(--pink), var(--purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.page-hero p { font-size: .95rem; color: var(--text-muted); max-width: 600px; margin: 0 auto; }

/* ========================================
   MODAL (视频播放弹窗)
   ======================================== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,.85); backdrop-filter: blur(8px);
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.modal-overlay.show { display: flex; }
.modal-box {
  background: var(--dark2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); width: 100%; max-width: 800px;
  position: relative; overflow: hidden;
}
.modal-close {
  position: absolute; top: 12px; right: 12px; z-index: 10;
  background: rgba(0,0,0,.6); border: none; color: #fff;
  width: 32px; height: 32px; border-radius: 50%; cursor: pointer;
  font-size: 1rem; display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.modal-close:hover { background: var(--pink); }
.modal-video { aspect-ratio: 16/9; background: #000; }
.modal-info { padding: 20px 24px; }
.modal-info h3 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 6px; }
.modal-info p { font-size: .85rem; color: var(--text-muted); }

/* ========================================
   ABOUT PAGE GRID
   ======================================== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.3); }
}
@keyframes scrollDown {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(20px); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp .7s ease forwards; opacity: 0; }
.delay-1 { animation-delay: .15s; }
.delay-2 { animation-delay: .3s; }
.delay-3 { animation-delay: .45s; }
.delay-4 { animation-delay: .6s; }

.animate-on-scroll { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }

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

@media (max-width: 768px) {
  .main-nav {
    display: none; position: fixed; top: 68px; left: 0; right: 0;
    background: rgba(13,10,26,.98); flex-direction: column; padding: 20px;
    border-bottom: 1px solid var(--border); gap: 4px;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 16px; border-radius: 8px; }
  .nav-toggle { display: flex; }
  .hero-stats { gap: 20px; }
  .hero-stat .num { font-size: 1.3rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .expert-grid { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .tab-btn { padding: 10px 14px; font-size: .82rem; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
  .video-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .community-grid { grid-template-columns: 1fr 1fr; }
  .join-steps { grid-template-columns: 1fr; }
}

/* ========================================
   视频标签、描述文本、标签云、视频标签导航栏
   ======================================== */

/* 视频描述文本 */
.video-desc-text {
  font-size: .76rem; color: var(--text-muted); line-height: 1.6;
  margin: 6px 0 8px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* 视频标签行 */
.video-tags-row {
  display: flex; flex-wrap: wrap; gap: 5px; margin: 6px 0 10px;
}
.video-tag-chip {
  padding: 2px 8px; background: rgba(123,47,247,.15);
  border: 1px solid rgba(123,47,247,.25); border-radius: 4px;
  font-size: .68rem; color: #a78bfa;
  transition: all var(--transition);
}
.video-tag-chip:hover { background: rgba(233,30,140,.15); color: var(--pink-light); }

/* 标签云 */
.video-tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-cloud-item {
  padding: 6px 16px; background: rgba(123,47,247,.1);
  border: 1px solid rgba(123,47,247,.2); border-radius: 20px;
  font-size: .82rem; color: var(--text-muted); transition: all var(--transition);
}
.tag-cloud-item:hover { background: rgba(233,30,140,.12); color: var(--pink-light); border-color: rgba(233,30,140,.3); }

/* 视频标签导航栏 */
.video-tag-bar {
  background: var(--dark2); border-bottom: 1px solid var(--border); padding: 12px 0;
}
.video-tag-list {
  display: flex; gap: 8px; flex-wrap: wrap;
  padding: 0 24px; max-width: 1280px; margin: 0 auto;
}
.vtag {
  padding: 6px 16px; border-radius: 20px; font-size: .82rem; font-weight: 500;
  color: var(--text-muted); border: 1px solid var(--border);
  background: transparent; transition: all var(--transition); white-space: nowrap;
  cursor: pointer;
}
.vtag:hover, .vtag.active {
  background: linear-gradient(135deg, rgba(233,30,140,.2), rgba(123,47,247,.2));
  color: var(--pink-light); border-color: rgba(233,30,140,.4);
}

/* 页脚新列样式 */
.footer-logo-row {
  max-width: 1280px; margin: 0 auto; padding: 0 24px 28px;
  display: flex; align-items: center; gap: 14px;
  border-bottom: 1px solid var(--border);
}
.footer-slogan { font-size: .82rem; color: var(--text-muted); }
.footer-inner {
  max-width: 1280px; margin: 0 auto; padding: 36px 24px;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px;
}
.footer-contact { display: flex; flex-direction: column; gap: 6px; font-size: .8rem; color: var(--text-muted); margin-top: 12px; }
.footer-bottom-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}
.footer-copyright p { font-size: .78rem; color: var(--text-muted); }
.footer-copyright a { color: var(--text-muted); margin: 0 4px; }
.footer-copyright a:hover { color: var(--pink-light); }
.footer-update { font-size: .78rem; color: var(--text-muted); }

/* 关于页 资质荣誉 */
.honors-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap: 20px;
}
.honor-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
}
.honor-year { font-size: .75rem; color: var(--pink-light); font-weight: 700; margin-bottom: 8px; }
.honor-card h4 { font-size: .9rem; font-weight: 700; color: #fff; margin-bottom: 6px; }
.honor-card p { font-size: .78rem; color: var(--text-muted); line-height: 1.6; }

/* 统计数据卡片 */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px,1fr)); gap: 20px;
}
.stat-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 20px; text-align: center;
}
.stat-num {
  display: block; font-size: 1.8rem; font-weight: 800;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { font-size: .8rem; color: var(--text-muted); margin-top: 6px; display: block; }

/* 返回顶部按钮 */
#back-to-top {
  position: fixed; bottom: 32px; right: 32px; z-index: 999;
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  color: #fff; border: none; font-size: 1.2rem; cursor: pointer;
  display: none; box-shadow: 0 4px 16px rgba(233,30,140,.4);
  transition: all var(--transition);
}
#back-to-top:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(233,30,140,.55); }

/* 社区频道卡片 */
.community-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px,1fr)); gap: 20px;
}
.community-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 20px; text-align: center;
  transition: all var(--transition);
}
.community-card:hover {
  transform: translateY(-4px); border-color: rgba(233,30,140,.4);
  box-shadow: 0 8px 32px rgba(233,30,140,.15);
}
.community-icon { font-size: 2.5rem; margin-bottom: 14px; }
.community-card h3 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.community-card p { font-size: .82rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 12px; }
.community-count {
  display: inline-block; padding: 4px 14px;
  background: rgba(233,30,140,.1); border: 1px solid rgba(233,30,140,.2);
  border-radius: 20px; font-size: .75rem; color: var(--pink-light);
}

/* AI赋能卡片 */
.ai-features { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap: 20px; }
.ai-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px; transition: all var(--transition);
}
.ai-card:hover { transform: translateY(-4px); border-color: rgba(123,47,247,.5); box-shadow: 0 8px 32px rgba(123,47,247,.15); }
.ai-icon { font-size: 2rem; margin-bottom: 14px; }
.ai-card h4 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
.ai-card p { font-size: .82rem; color: var(--text-muted); line-height: 1.7; }

/* 评价卡片 */
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: 20px; }
.review-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 22px; transition: all var(--transition);
}
.review-card:hover { transform: translateY(-3px); border-color: rgba(233,30,140,.35); }
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.review-avatar {
  width: 42px; height: 42px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1rem; color: #fff;
}
.review-user h4 { font-size: .9rem; font-weight: 700; color: #fff; }
.review-user span { font-size: .75rem; color: var(--text-muted); }
.review-stars { color: #fbbf24; font-size: 1rem; margin-bottom: 10px; }
.review-text { font-size: .82rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 10px; }
.review-game { font-size: .75rem; color: var(--pink-light); }

/* 页面Hero标签 */
.page-hero-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 16px; }

/* 关于页故事布局 */
.about-story { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-text h2 { font-size: 1.5rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
.about-text p { font-size: .88rem; color: var(--text-muted); line-height: 1.9; margin-bottom: 14px; }
.about-img img { border-radius: var(--radius-lg); width: 100%; }

@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 28px; }
  .about-story { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-logo-row { flex-direction: column; align-items: flex-start; }
  .video-tag-list { padding: 0 16px; }
}
@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom-inner { flex-direction: column; align-items: flex-start; }
  .community-grid { grid-template-columns: 1fr 1fr; }
  .about-story { grid-template-columns: 1fr; }
}