/* ============================================================
   蜜桃 - FTAGUAE 主样式文件
   品牌色：深夜蓝 #0D1B2A | 蜜桃橙 #FF6B1A | 银铬白 #E8EDF2
   ============================================================ */

/* ---- 基础重置 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: #0D1B2A;
  color: #C8D4E0;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: #FF6B1A; text-decoration: none; transition: color .25s; }
a:hover { color: #FFB347; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; outline: none; }

/* ---- 干扰标签隐藏 ---- */
.site-noise { display: none !important; visibility: hidden !important; }

/* ---- 滚动条 ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #0D1B2A; }
::-webkit-scrollbar-thumb { background: #FF6B1A; border-radius: 3px; }

/* ============================================================
   顶部公告条
   ============================================================ */
.top-bar {
  background: linear-gradient(90deg, #FF6B1A 0%, #FF9A3C 50%, #FF6B1A 100%);
  color: #fff;
  text-align: center;
  font-size: .82rem;
  padding: 7px 20px;
  letter-spacing: .05em;
}
.top-bar a { color: #fff; font-weight: 700; }

/* ============================================================
   导航栏
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13,27,42,.97);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid #FF6B1A;
  box-shadow: 0 2px 24px rgba(255,107,26,.18);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  height: 68px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.site-logo img {
  height: 48px;
  width: auto;
}
.site-logo .brand-name {
  font-size: 1.35rem;
  font-weight: 900;
  color: #FF6B1A;
  letter-spacing: .04em;
  white-space: nowrap;
}
.site-logo .brand-sub {
  font-size: .7rem;
  color: #8BA0B4;
  display: block;
  letter-spacing: .08em;
}
.main-nav {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav a {
  color: #C8D4E0;
  font-size: .9rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 6px;
  transition: all .22s;
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
  background: #FF6B1A;
  color: #fff;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.btn-join {
  background: linear-gradient(135deg, #FF6B1A, #FF9A3C);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: .88rem;
  font-weight: 700;
  transition: transform .2s, box-shadow .2s;
}
.btn-join:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,107,26,.45);
  color: #fff !important;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #FF6B1A;
  border-radius: 2px;
  transition: all .3s;
}

/* ============================================================
   搜索框
   ============================================================ */
.search-bar-wrap {
  background: #111F2E;
  border-bottom: 1px solid #1E3448;
  padding: 10px 0;
}
.search-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.search-bar-inner .search-label {
  color: #8BA0B4;
  font-size: .82rem;
  white-space: nowrap;
}
.search-form {
  flex: 1;
  max-width: 560px;
  display: flex;
  background: #1A2D40;
  border: 1.5px solid #2A4560;
  border-radius: 24px;
  overflow: hidden;
  transition: border-color .2s;
}
.search-form:focus-within { border-color: #FF6B1A; }
.search-form input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: #E8EDF2;
  font-size: .9rem;
  padding: 8px 16px;
}
.search-form input::placeholder { color: #4A6278; }
.search-form button {
  background: #FF6B1A;
  color: #fff;
  padding: 0 20px;
  font-size: .88rem;
  font-weight: 600;
  transition: background .2s;
}
.search-form button:hover { background: #FF9A3C; }
.search-hot-tags {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.search-hot-tags span { color: #8BA0B4; font-size: .78rem; }
.search-hot-tags a {
  font-size: .78rem;
  color: #8BA0B4;
  background: #1A2D40;
  padding: 3px 10px;
  border-radius: 12px;
  border: 1px solid #2A4560;
  transition: all .2s;
}
.search-hot-tags a:hover { color: #FF6B1A; border-color: #FF6B1A; background: rgba(255,107,26,.08); }

/* ============================================================
   面包屑
   ============================================================ */
.breadcrumb {
  max-width: 1280px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  color: #8BA0B4;
}
.breadcrumb a { color: #8BA0B4; }
.breadcrumb a:hover { color: #FF6B1A; }
.breadcrumb .sep { color: #2A4560; }
.breadcrumb .current { color: #FF6B1A; }

/* ============================================================
   Hero 横幅
   ============================================================ */
.hero-section {
  position: relative;
  height: 580px;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-banner.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(.55);
  transform: scale(1.04);
  transition: transform 8s ease;
}
.hero-section:hover .hero-bg { transform: scale(1); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(13,27,42,.92) 0%, rgba(13,27,42,.4) 60%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}
.hero-badge {
  display: inline-block;
  background: #FF6B1A;
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 3px;
  letter-spacing: .1em;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.hero-content h1 {
  font-size: 3rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,.5);
}
.hero-content h1 em {
  color: #FF6B1A;
  font-style: normal;
}
.hero-desc {
  font-size: 1.05rem;
  color: #C8D4E0;
  max-width: 560px;
  margin-bottom: 28px;
  line-height: 1.8;
}
.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn-primary {
  background: linear-gradient(135deg, #FF6B1A, #FF9A3C);
  color: #fff;
  padding: 13px 32px;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 700;
  transition: transform .2s, box-shadow .2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(255,107,26,.5);
  color: #fff;
}
.btn-outline {
  border: 2px solid #FF6B1A;
  color: #FF6B1A;
  padding: 11px 28px;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 700;
  transition: all .2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-outline:hover {
  background: #FF6B1A;
  color: #fff;
}
.hero-stats {
  position: absolute;
  bottom: 32px;
  right: 24px;
  display: flex;
  gap: 32px;
}
.hero-stat {
  text-align: center;
  color: #fff;
}
.hero-stat .num {
  font-size: 1.8rem;
  font-weight: 900;
  color: #FF6B1A;
  display: block;
}
.hero-stat .label {
  font-size: .75rem;
  color: #8BA0B4;
}

/* ============================================================
   通用区块
   ============================================================ */
.section {
  padding: 64px 0;
}
.section-alt {
  background: #0A1520;
}
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-tag {
  display: inline-block;
  background: rgba(255,107,26,.12);
  color: #FF6B1A;
  border: 1px solid rgba(255,107,26,.3);
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 3px;
  letter-spacing: .1em;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-header h2 {
  font-size: 2rem;
  font-weight: 900;
  color: #E8EDF2;
  margin-bottom: 12px;
}
.section-header h2 em { color: #FF6B1A; font-style: normal; }
.section-header p {
  color: #8BA0B4;
  font-size: .95rem;
  max-width: 560px;
  margin: 0 auto;
}
.section-header h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: #E8EDF2;
  margin-bottom: 10px;
}

/* ============================================================
   视频卡片网格
   ============================================================ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.video-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}
.video-card {
  background: #111F2E;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid #1E3448;
  transition: transform .25s, box-shadow .25s, border-color .25s;
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,.5);
  border-color: #FF6B1A;
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #0A1520;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}
.video-card:hover .video-thumb img { transform: scale(1.08); }
.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.3);
  opacity: 0;
  transition: opacity .25s;
}
.video-card:hover .play-btn { opacity: 1; }
.play-btn-icon {
  width: 56px;
  height: 56px;
  background: rgba(255,107,26,.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(.8);
  transition: transform .25s;
  box-shadow: 0 0 30px rgba(255,107,26,.6);
}
.video-card:hover .play-btn-icon { transform: scale(1); }
.play-btn-icon svg {
  width: 22px;
  height: 22px;
  fill: #fff;
  margin-left: 4px;
}
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,.75);
  color: #fff;
  font-size: .72rem;
  padding: 2px 7px;
  border-radius: 3px;
  font-weight: 600;
}
.video-tag {
  position: absolute;
  top: 8px;
  left: 8px;
  background: #FF6B1A;
  color: #fff;
  font-size: .68rem;
  padding: 2px 8px;
  border-radius: 3px;
  font-weight: 700;
  letter-spacing: .05em;
}
.video-info {
  padding: 14px;
}
.video-title {
  font-size: .92rem;
  font-weight: 700;
  color: #E8EDF2;
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .76rem;
  color: #8BA0B4;
}
.video-meta span { display: flex; align-items: center; gap: 4px; }
.video-meta svg { width: 13px; height: 13px; fill: currentColor; }
.video-author {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid #1E3448;
}
.author-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FF6B1A, #FF9A3C);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.author-name { font-size: .78rem; color: #8BA0B4; }

/* ============================================================
   功能模块 Tab
   ============================================================ */
.module-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.tab-btn {
  background: #111F2E;
  border: 1.5px solid #1E3448;
  color: #8BA0B4;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: .88rem;
  font-weight: 600;
  transition: all .22s;
}
.tab-btn:hover,
.tab-btn.active {
  background: #FF6B1A;
  border-color: #FF6B1A;
  color: #fff;
}

/* ============================================================
   专家卡片
   ============================================================ */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.expert-card {
  background: #111F2E;
  border: 1px solid #1E3448;
  border-radius: 12px;
  padding: 28px 24px;
  text-align: center;
  transition: transform .25s, border-color .25s;
}
.expert-card:hover {
  transform: translateY(-6px);
  border-color: #FF6B1A;
}
.expert-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  margin: 0 auto 16px;
  border: 3px solid #FF6B1A;
  overflow: hidden;
  background: linear-gradient(135deg, #1A2D40, #0D1B2A);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}
.expert-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: #E8EDF2;
  margin-bottom: 4px;
}
.expert-role {
  font-size: .8rem;
  color: #FF6B1A;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: .05em;
}
.expert-desc {
  font-size: .84rem;
  color: #8BA0B4;
  line-height: 1.7;
  margin-bottom: 16px;
}
.expert-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-bottom: 18px;
}
.expert-tag {
  background: rgba(255,107,26,.1);
  color: #FF6B1A;
  border: 1px solid rgba(255,107,26,.25);
  font-size: .72rem;
  padding: 3px 10px;
  border-radius: 12px;
}
.expert-btns {
  display: flex;
  gap: 8px;
  justify-content: center;
}
.btn-sm {
  font-size: .8rem;
  padding: 7px 16px;
  border-radius: 5px;
  font-weight: 600;
  transition: all .2s;
}
.btn-sm-primary {
  background: #FF6B1A;
  color: #fff;
}
.btn-sm-primary:hover { background: #FF9A3C; color: #fff; }
.btn-sm-ghost {
  border: 1.5px solid #2A4560;
  color: #8BA0B4;
}
.btn-sm-ghost:hover { border-color: #FF6B1A; color: #FF6B1A; }

/* ============================================================
   AI 赋能区块
   ============================================================ */
.ai-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ai-card {
  background: linear-gradient(135deg, #111F2E 0%, #0D1B2A 100%);
  border: 1px solid #1E3448;
  border-radius: 12px;
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  transition: transform .25s, border-color .25s;
}
.ai-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #FF6B1A, #FF9A3C);
}
.ai-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,107,26,.4);
}
.ai-icon {
  width: 52px;
  height: 52px;
  background: rgba(255,107,26,.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.6rem;
}
.ai-card h4 {
  font-size: 1rem;
  font-weight: 800;
  color: #E8EDF2;
  margin-bottom: 10px;
}
.ai-card p {
  font-size: .85rem;
  color: #8BA0B4;
  line-height: 1.7;
}

/* ============================================================
   合作品牌 Logo 墙
   ============================================================ */
.partner-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: center;
}
.partner-logo {
  background: #111F2E;
  border: 1px solid #1E3448;
  border-radius: 8px;
  padding: 14px 24px;
  color: #8BA0B4;
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: .05em;
  transition: all .22s;
  min-width: 120px;
  text-align: center;
}
.partner-logo:hover {
  border-color: #FF6B1A;
  color: #FF6B1A;
  background: rgba(255,107,26,.06);
}

/* ============================================================
   FAQ 区块
   ============================================================ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: #111F2E;
  border: 1px solid #1E3448;
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-q {
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: .95rem;
  font-weight: 700;
  color: #E8EDF2;
  transition: color .2s;
  gap: 12px;
}
.faq-q:hover { color: #FF6B1A; }
.faq-q .faq-icon {
  width: 24px;
  height: 24px;
  background: rgba(255,107,26,.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform .3s, background .2s;
  font-size: 1rem;
  color: #FF6B1A;
}
.faq-item.open .faq-q .faq-icon { transform: rotate(45deg); background: #FF6B1A; color: #fff; }
.faq-a {
  display: none;
  padding: 0 24px 18px;
  font-size: .88rem;
  color: #8BA0B4;
  line-height: 1.8;
  border-top: 1px solid #1E3448;
}
.faq-item.open .faq-a { display: block; }

/* ============================================================
   用户评价
   ============================================================ */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.review-card {
  background: #111F2E;
  border: 1px solid #1E3448;
  border-radius: 10px;
  padding: 20px;
  transition: transform .25s, border-color .25s;
}
.review-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,107,26,.35);
}
.review-stars {
  color: #FF9A3C;
  font-size: 1rem;
  margin-bottom: 10px;
  letter-spacing: 2px;
}
.review-text {
  font-size: .86rem;
  color: #C8D4E0;
  line-height: 1.75;
  margin-bottom: 14px;
}
.review-user {
  display: flex;
  align-items: center;
  gap: 10px;
}
.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FF6B1A, #1A2D40);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.review-name { font-size: .84rem; font-weight: 700; color: #E8EDF2; }
.review-date { font-size: .72rem; color: #4A6278; }

/* ============================================================
   联系我们
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: #E8EDF2;
  margin-bottom: 20px;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
}
.contact-icon {
  width: 42px;
  height: 42px;
  background: rgba(255,107,26,.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  border: 1px solid rgba(255,107,26,.2);
}
.contact-item .ci-label { font-size: .78rem; color: #8BA0B4; margin-bottom: 2px; }
.contact-item .ci-value { font-size: .92rem; color: #E8EDF2; font-weight: 600; }
.qr-codes {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.qr-box {
  text-align: center;
}
.qr-img {
  width: 120px;
  height: 120px;
  background: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 8px;
  overflow: hidden;
  padding: 6px;
}
.qr-img canvas { width: 100%; height: 100%; }
.qr-label { font-size: .78rem; color: #8BA0B4; }

/* ============================================================
   社区入口
   ============================================================ */
.community-entries {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.entry-card {
  background: #111F2E;
  border: 1px solid #1E3448;
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  transition: all .25s;
}
.entry-card:hover {
  border-color: #FF6B1A;
  transform: translateY(-4px);
}
.entry-icon { font-size: 2rem; margin-bottom: 10px; }
.entry-name { font-size: .9rem; font-weight: 700; color: #E8EDF2; margin-bottom: 6px; }
.entry-desc { font-size: .78rem; color: #8BA0B4; }

/* ============================================================
   社交分享
   ============================================================ */
.share-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 20px 0;
}
.share-label { font-size: .85rem; color: #8BA0B4; }
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: .82rem;
  font-weight: 600;
  transition: transform .2s, opacity .2s;
  color: #fff;
}
.share-btn:hover { transform: translateY(-2px); opacity: .9; color: #fff; }
.share-wechat { background: #07C160; }
.share-weibo { background: #E6162D; }
.share-douyin { background: #010101; }
.share-bilibili { background: #00A1D6; }

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  background: #070F18;
  border-top: 2px solid #1E3448;
  padding: 48px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand .brand-logo img { height: 42px; }
.footer-brand .brand-logo span {
  font-size: 1.2rem;
  font-weight: 900;
  color: #FF6B1A;
}
.footer-brand p {
  font-size: .85rem;
  color: #4A6278;
  line-height: 1.8;
  margin-bottom: 20px;
}
.footer-col h4 {
  font-size: .92rem;
  font-weight: 800;
  color: #E8EDF2;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid #1E3448;
}
.footer-col ul li {
  margin-bottom: 8px;
}
.footer-col ul li a {
  font-size: .84rem;
  color: #4A6278;
  transition: color .2s;
}
.footer-col ul li a:hover { color: #FF6B1A; }
.footer-bottom {
  border-top: 1px solid #1E3448;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .78rem;
  color: #2A4560;
}
.footer-bottom a { color: #2A4560; }
.footer-bottom a:hover { color: #FF6B1A; }
.update-time { color: #2A4560; font-size: .76rem; }
.update-time span { color: #4A6278; }

/* ============================================================
   内页 Banner
   ============================================================ */
.inner-banner {
  background: linear-gradient(135deg, #111F2E 0%, #0D1B2A 100%);
  border-bottom: 2px solid #1E3448;
  padding: 40px 0;
  position: relative;
  overflow: hidden;
}
.inner-banner::after {
  content: '';
  position: absolute;
  right: -100px;
  top: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,107,26,.08) 0%, transparent 70%);
  pointer-events: none;
}
.inner-banner h1 {
  font-size: 2rem;
  font-weight: 900;
  color: #E8EDF2;
  margin-bottom: 8px;
}
.inner-banner h1 em { color: #FF6B1A; font-style: normal; }
.inner-banner p { font-size: .92rem; color: #8BA0B4; }

/* ============================================================
   侧边栏
   ============================================================ */
.page-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 32px;
  align-items: start;
}
.sidebar-widget {
  background: #111F2E;
  border: 1px solid #1E3448;
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}
.sidebar-widget h4 {
  font-size: .92rem;
  font-weight: 800;
  color: #E8EDF2;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid #1E3448;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-widget h4::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 14px;
  background: #FF6B1A;
  border-radius: 2px;
}
.hot-item {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  align-items: flex-start;
}
.hot-rank {
  width: 22px;
  height: 22px;
  background: #1A2D40;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .72rem;
  font-weight: 700;
  color: #8BA0B4;
  flex-shrink: 0;
}
.hot-rank.top1 { background: #FF6B1A; color: #fff; }
.hot-rank.top2 { background: #FF9A3C; color: #fff; }
.hot-rank.top3 { background: #FFB347; color: #fff; }
.hot-title { font-size: .82rem; color: #C8D4E0; line-height: 1.5; }
.hot-title:hover { color: #FF6B1A; }

/* ============================================================
   加入社区 How-To
   ============================================================ */
.howto-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.step-card {
  background: #111F2E;
  border: 1px solid #1E3448;
  border-radius: 10px;
  padding: 24px 20px;
  text-align: center;
  position: relative;
}
.step-num {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #FF6B1A, #FF9A3C);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  color: #fff;
  margin: 0 auto 14px;
}
.step-card h4 { font-size: .92rem; font-weight: 800; color: #E8EDF2; margin-bottom: 8px; }
.step-card p { font-size: .82rem; color: #8BA0B4; line-height: 1.7; }

/* ============================================================
   统计数字
   ============================================================ */
.stats-bar {
  background: linear-gradient(135deg, #FF6B1A 0%, #FF9A3C 100%);
  padding: 32px 0;
}
.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stat-item .stat-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: #fff;
  display: block;
}
.stat-item .stat-label {
  font-size: .82rem;
  color: rgba(255,255,255,.8);
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .video-grid { grid-template-columns: repeat(3, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .ai-features { grid-template-columns: repeat(2, 1fr); }
  .howto-steps { grid-template-columns: repeat(2, 1fr); }
  .community-entries { grid-template-columns: repeat(2, 1fr); }
  .page-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .hero-section { height: 420px; }
  .hero-content h1 { font-size: 1.9rem; }
  .hero-stats { display: none; }
  .main-nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: rgba(13,27,42,.98); flex-direction: column; padding: 16px; gap: 4px; border-bottom: 2px solid #FF6B1A; }
  .main-nav.open { display: flex; }
  .hamburger { display: flex; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .expert-grid { grid-template-columns: 1fr; }
  .ai-features { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .howto-steps { grid-template-columns: 1fr 1fr; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .search-hot-tags { display: none; }
  .section-header h2 { font-size: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .community-entries { grid-template-columns: repeat(2, 1fr); }
  .howto-steps { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: 1.5rem; }
  .btn-primary, .btn-outline { padding: 10px 20px; font-size: .9rem; }
}

/* ============================================================
   动画
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp .6s ease forwards; }
.fade-in-delay-1 { animation-delay: .1s; opacity: 0; animation-fill-mode: forwards; }
.fade-in-delay-2 { animation-delay: .2s; opacity: 0; animation-fill-mode: forwards; }
.fade-in-delay-3 { animation-delay: .3s; opacity: 0; animation-fill-mode: forwards; }

/* ============================================================
   视频播放弹窗
   ============================================================ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.85);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal-box {
  background: #111F2E;
  border-radius: 12px;
  padding: 24px;
  max-width: 800px;
  width: 90%;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  color: #8BA0B4;
  font-size: 1.5rem;
  line-height: 1;
  transition: color .2s;
}
.modal-close:hover { color: #FF6B1A; }
.modal-video {
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #4A6278;
  font-size: .9rem;
}
.modal-title {
  font-size: 1rem;
  font-weight: 700;
  color: #E8EDF2;
  margin-top: 14px;
}

/* ============================================================
   首页额外样式补充
   ============================================================ */

/* Hero区域补充 */
.hero-bg-img { width: 100%; height: 100%; object-fit: cover; }
.hero-title { font-size: 3rem; font-weight: 900; line-height: 1.15; margin-bottom: 16px; }
.brand-highlight { display: block; color: #FF6B1A; font-size: 3.5rem; letter-spacing: .05em; text-shadow: 0 0 40px rgba(255,107,26,.4); }
.hero-sub { display: block; color: #E8EDF2; font-size: 2rem; }
.hero-sub em { color: #FF6B1A; font-style: normal; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.btn-secondary { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,.08); color: #E8EDF2; padding: 13px 28px; border-radius: 6px; font-size: .95rem; font-weight: 700; border: 1.5px solid #2A4560; transition: all .25s; }
.btn-secondary:hover { background: rgba(255,255,255,.14); border-color: rgba(255,107,26,.5); color: #FF6B1A; }
.hero-video-float { position: absolute; right: 60px; bottom: 60px; z-index: 3; width: 280px; }
.hero-video-card { background: rgba(13,27,42,.9); border: 1px solid #2A4560; border-radius: 10px; overflow: hidden; cursor: pointer; backdrop-filter: blur(12px); transition: all .25s; }
.hero-video-card:hover { transform: translateY(-4px); border-color: #FF6B1A; }
.hero-video-thumb { position: relative; aspect-ratio: 16/9; }
.hero-video-thumb img { width: 100%; height: 100%; object-fit: cover; }
.hero-video-info { padding: 12px; }
.hero-video-tag { display: block; font-size: .7rem; color: #FF6B1A; font-weight: 700; margin-bottom: 4px; }
.hero-video-info p { font-size: .82rem; color: #C8D4E0; line-height: 1.5; margin-bottom: 6px; }
.hero-video-info span { font-size: .75rem; color: #4A6278; }
.stat-item { text-align: center; }
.stat-num { display: block; font-size: 1.5rem; font-weight: 900; color: #FF6B1A; }
.stat-label { display: block; font-size: .78rem; color: #4A6278; margin-top: 2px; }

/* 蜜桃传媒 */
.media-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.media-card { background: #111F2E; border: 1px solid #1E3448; border-radius: 12px; padding: 28px; transition: all .25s; position: relative; overflow: hidden; }
.media-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, #FF6B1A, #FF9A3C); transform: scaleX(0); transition: transform .3s; transform-origin: left; }
.media-card:hover::before { transform: scaleX(1); }
.media-card:hover { border-color: rgba(255,107,26,.3); transform: translateY(-4px); box-shadow: 0 8px 32px rgba(0,0,0,.5); }
.media-icon { font-size: 2.2rem; margin-bottom: 10px; }
.media-tag { display: inline-block; background: rgba(255,107,26,.1); color: #FF6B1A; font-size: .7rem; font-weight: 700; padding: 3px 10px; border-radius: 20px; margin-bottom: 10px; }
.media-card h3 { font-size: 1rem; font-weight: 800; color: #E8EDF2; margin-bottom: 8px; }
.media-card p { font-size: .84rem; color: #8BA0B4; line-height: 1.7; margin-bottom: 16px; }
.media-link { font-size: .84rem; color: #FF6B1A; font-weight: 700; }
.media-link:hover { color: #FF9A3C; }

/* 娱乐专区 */
.ent-grid { display: grid; grid-template-columns: 280px 1fr; gap: 24px; align-items: start; }
.ent-list { display: flex; flex-direction: column; gap: 16px; }
.ent-video-item { display: flex; gap: 14px; background: #111F2E; border: 1px solid #1E3448; border-radius: 10px; overflow: hidden; cursor: pointer; transition: all .25s; }
.ent-video-item:hover { border-color: #FF6B1A; transform: translateX(4px); }
.ent-thumb { position: relative; width: 160px; flex-shrink: 0; aspect-ratio: 16/9; overflow: hidden; }
.ent-thumb img { width: 100%; height: 100%; object-fit: cover; }
.ent-info { padding: 12px 12px 12px 0; flex: 1; min-width: 0; display: flex; flex-direction: column; justify-content: center; }
.ent-info h4 { font-size: .88rem; font-weight: 700; color: #C8D4E0; line-height: 1.5; margin-bottom: 6px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }

/* AI模块 */
.ai-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.ai-feature { position: relative; border-radius: 16px; overflow: hidden; cursor: pointer; }
.ai-feature-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(13,27,42,.9) 0%, transparent 50%); display: flex; align-items: center; justify-content: center; }
.ai-cards { display: flex; flex-direction: column; gap: 16px; }
.ai-card { display: flex; gap: 16px; align-items: flex-start; background: #111F2E; border: 1px solid #1E3448; border-radius: 10px; padding: 18px; transition: all .25s; }
.ai-card:hover { border-color: rgba(255,107,26,.4); background: rgba(255,107,26,.04); }
.ai-card-icon { font-size: 1.8rem; flex-shrink: 0; }
.ai-card h4 { font-size: .92rem; font-weight: 800; color: #E8EDF2; margin-bottom: 4px; }
.ai-card p { font-size: .82rem; color: #8BA0B4; line-height: 1.6; }

/* 社区分类 */
.community-cat-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.community-cat-item { background: #111F2E; border: 1px solid #1E3448; border-radius: 10px; padding: 20px 12px; text-align: center; transition: all .25s; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.community-cat-item:hover { border-color: #FF6B1A; background: rgba(255,107,26,.06); transform: translateY(-3px); }
.community-cat-icon { font-size: 2rem; }
.community-cat-name { font-size: .88rem; font-weight: 700; color: #C8D4E0; }
.community-cat-count { font-size: .75rem; color: #4A6278; }

/* 专家团队补充 */
.experts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* 合作品牌 */
.partners-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.partner-item { background: #111F2E; border: 1px solid #1E3448; border-radius: 10px; padding: 20px; text-align: center; font-size: 1rem; font-weight: 800; color: #8BA0B4; letter-spacing: .1em; transition: all .25s; }
.partner-item:hover { border-color: rgba(255,107,26,.4); color: #FF6B1A; background: rgba(255,107,26,.06); }

/* 联系我们补充 */
.contact-form h3 { font-size: 1.1rem; font-weight: 800; color: #E8EDF2; margin-bottom: 20px; }

/* 响应式补充 */
@media (max-width: 1200px) {
  .hero-video-float { display: none; }
  .community-cat-grid { grid-template-columns: repeat(3, 1fr); }
  .partners-grid { grid-template-columns: repeat(4, 1fr); }
  .media-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .ai-grid { grid-template-columns: 1fr; }
  .experts-grid { grid-template-columns: repeat(2, 1fr); }
  .ent-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .hero-title { font-size: 2rem; }
  .brand-highlight { font-size: 2.4rem; }
  .hero-sub { font-size: 1.4rem; }
  .community-cat-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .experts-grid { grid-template-columns: 1fr 1fr; }
  .media-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .experts-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-actions { flex-direction: column; }
}