/* =============================================
   溏心vlog - 植物视频社区 | eyudmnwr.cn
   原创设计：深森林绿+翡翠绿+神秘紫+金黄配色
   ============================================= */

:root {
  --color-bg:        #0a1f0d;
  --color-bg2:       #0f2a12;
  --color-bg3:       #142e17;
  --color-card:      #162b19;
  --color-border:    #1e4022;
  --color-primary:   #2ecc71;
  --color-primary2:  #27ae60;
  --color-accent:    #6c3483;
  --color-accent2:   #8e44ad;
  --color-gold:      #f39c12;
  --color-gold2:     #e67e22;
  --color-text:      #d4edda;
  --color-text2:     #a8d5b5;
  --color-text3:     #6aab7a;
  --color-white:     #ffffff;
  --color-nav-bg:    rgba(10,31,13,0.97);
  --radius:          10px;
  --radius-lg:       18px;
  --shadow:          0 4px 24px rgba(46,204,113,0.10);
  --shadow-lg:       0 8px 40px rgba(46,204,113,0.18);
  --transition:      0.28s cubic-bezier(0.4,0,0.2,1);
  --font-main:       'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;
}

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

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

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg2); }
::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 3px; }

/* ===================== HEADER ===================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--color-nav-bg);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  letter-spacing: -1px;
  box-shadow: 0 2px 12px rgba(46,204,113,0.4);
}

.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name { font-size: 20px; font-weight: 800; color: var(--color-white); letter-spacing: 1px; }
.logo-sub  { font-size: 11px; color: var(--color-primary); letter-spacing: 2px; }

.main-nav { display: flex; align-items: center; gap: 4px; }

.main-nav a {
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text2);
  transition: all var(--transition);
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
  background: rgba(46,204,113,0.12);
  color: var(--color-primary);
}

.header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.search-wrap {
  display: flex;
  align-items: center;
  background: var(--color-bg3);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
}
.search-wrap input {
  background: none;
  border: none;
  outline: none;
  color: var(--color-text);
  padding: 7px 12px;
  font-size: 13px;
  width: 160px;
}
.search-wrap input::placeholder { color: var(--color-text3); }
.search-wrap button {
  background: var(--color-primary);
  border: none;
  color: #fff;
  padding: 7px 14px;
  cursor: pointer;
  font-size: 13px;
  transition: background var(--transition);
}
.search-wrap button:hover { background: var(--color-primary2); }

.btn-join {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-join:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(46,204,113,0.4);
  color: #fff !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 18px;
}

/* ===================== HERO BANNER ===================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 70px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/banner-hero.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(0.45);
  transform: scale(1.04);
  transition: transform 8s ease;
}
.hero-section:hover .hero-bg { transform: scale(1.0); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(10,31,13,0.85) 0%,
    rgba(108,52,131,0.35) 50%,
    rgba(10,31,13,0.75) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 60px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.rwuivd9 {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(46,204,113,0.15);
  border: 1px solid rgba(46,204,113,0.3);
  color: var(--color-primary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.rwuivd9::before { content: '🌿'; }

.hero-title {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--color-white);
}
.hero-title .brand { color: var(--color-primary); }
.hero-title .accent { color: var(--color-gold); }

.hero-desc {
  font-size: 16px;
  color: var(--color-text2);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary2));
  color: #fff;
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 700;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(46,204,113,0.45);
  color: #fff;
}

.btn-secondary {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--color-white);
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.15);
  color: var(--color-white);
}

.hero-stats {
  display: flex;
  gap: 32px;
}
.stat-item { text-align: center; }
.stat-num { font-size: 28px; font-weight: 800; color: var(--color-primary); display: block; }
.stat-label { font-size: 12px; color: var(--color-text3); letter-spacing: 1px; }

.hero-video-preview {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.hero-video-preview img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.hero-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  transition: background var(--transition);
  cursor: pointer;
}
.hero-play-btn:hover { background: rgba(0,0,0,0.1); }
.play-circle {
  width: 72px;
  height: 72px;
  background: rgba(46,204,113,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: #fff;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(46,204,113,0.5);
}
.hero-play-btn:hover .play-circle {
  transform: scale(1.1);
  background: var(--color-primary);
}

.hero-tags {
  position: absolute;
  bottom: 16px;
  left: 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.hero-tag {
  background: rgba(10,31,13,0.85);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

/* ===================== HOT SEARCH ===================== */
.hot-search {
  background: var(--color-bg2);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}
.hot-search-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hot-label { font-size: 13px; color: var(--color-text3); font-weight: 600; flex-shrink: 0; }
.hot-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.hot-tag {
  background: var(--color-bg3);
  border: 1px solid var(--color-border);
  color: var(--color-text2);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
}
.hot-tag:hover {
  background: rgba(46,204,113,0.12);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ===================== SECTION COMMON ===================== */
.section { padding: 72px 0; }
.section-alt { background: var(--color-bg2); }

.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-tag {
  display: inline-block;
  background: rgba(46,204,113,0.12);
  border: 1px solid rgba(46,204,113,0.25);
  color: var(--color-primary);
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 12px;
}
.section-title .brand { color: var(--color-primary); }
.section-title .accent { color: var(--color-gold); }
.section-desc {
  font-size: 15px;
  color: var(--color-text3);
  max-width: 560px;
  margin: 0 auto;
}

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ===================== SITE INTRO ===================== */
.site-intro {
  background: linear-gradient(135deg, var(--color-bg2), var(--color-bg3));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  margin: 48px auto;
  max-width: 1280px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.intro-text h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 16px;
}
.intro-text p {
  font-size: 15px;
  color: var(--color-text2);
  line-height: 1.9;
  margin-bottom: 12px;
}
.intro-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}
.intro-feat {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text2);
}
.intro-feat-icon {
  width: 32px;
  height: 32px;
  background: rgba(46,204,113,0.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.intro-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.intro-stat-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}
.intro-stat-num { font-size: 32px; font-weight: 900; color: var(--color-primary); display: block; }
.intro-stat-label { font-size: 13px; color: var(--color-text3); margin-top: 4px; }

/* ===================== VIDEO TABS ===================== */
.video-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0;
  flex-wrap: wrap;
}
.tab-btn {
  background: none;
  border: none;
  color: var(--color-text3);
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
  font-family: var(--font-main);
}
.tab-btn:hover { color: var(--color-primary); }
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ===================== VIDEO GRID ===================== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.video-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.video-card:hover .video-thumb img { transform: scale(1.06); }

.video-play-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.video-card:hover .video-play-overlay { opacity: 1; }

.play-btn-circle {
  width: 56px;
  height: 56px;
  background: rgba(46,204,113,0.92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
  transition: transform var(--transition);
  box-shadow: 0 4px 16px rgba(46,204,113,0.5);
}
.video-card:hover .play-btn-circle { transform: scale(1.12); }

.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

.video-tags {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  gap: 6px;
}
.video-tag {
  background: rgba(46,204,113,0.85);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}
.video-tag.purple { background: rgba(108,52,131,0.85); }
.video-tag.gold   { background: rgba(243,156,18,0.85); }

.video-info { padding: 16px; }
.video-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-white);
  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: 12px;
  color: var(--color-text3);
}
.video-views { display: flex; align-items: center; gap: 4px; }
.video-date { font-size: 11px; }

/* ===================== MEDIA SECTION ===================== */
.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.media-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.media-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}
.media-img { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.media-img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.media-card:hover .media-img img { transform: scale(1.05); }
.media-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,31,13,0.85), transparent);
  display: flex;
  align-items: flex-end;
  padding: 16px;
  opacity: 0;
  transition: opacity var(--transition);
}
.media-card:hover .media-overlay { opacity: 1; }
.media-play {
  width: 44px;
  height: 44px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
}
.media-body { padding: 16px; }
.media-cat {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-accent2);
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.media-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
  line-height: 1.4;
}
.media-desc { font-size: 13px; color: var(--color-text3); line-height: 1.6; }

/* ===================== ENTERTAINMENT ===================== */
.ent-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.ent-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  gap: 0;
  transition: all var(--transition);
}
.ent-card:hover { border-color: var(--color-gold); box-shadow: 0 4px 24px rgba(243,156,18,0.15); }
.ent-thumb {
  width: 160px;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
.ent-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.ent-card:hover .ent-thumb img { transform: scale(1.06); }
.ent-play {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.ent-card:hover .ent-play { opacity: 1; }
.ent-play-icon {
  width: 40px;
  height: 40px;
  background: rgba(243,156,18,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
}
.ent-body { padding: 20px; flex: 1; }
.ent-cat { font-size: 11px; font-weight: 700; color: var(--color-gold); letter-spacing: 1px; margin-bottom: 8px; }
.ent-title { font-size: 16px; font-weight: 700; color: var(--color-white); margin-bottom: 8px; line-height: 1.4; }
.ent-desc { font-size: 13px; color: var(--color-text3); line-height: 1.6; margin-bottom: 12px; }
.ent-meta { display: flex; gap: 12px; font-size: 12px; color: var(--color-text3); }

/* ===================== AI SECTION ===================== */
.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ai-card {
  background: linear-gradient(135deg, var(--color-card), rgba(108,52,131,0.15));
  border: 1px solid rgba(108,52,131,0.3);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}
.ai-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent);
  box-shadow: 0 8px 32px rgba(108,52,131,0.25);
}
.ai-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent2));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 20px;
  box-shadow: 0 4px 16px rgba(108,52,131,0.4);
}
.ai-title { font-size: 18px; font-weight: 700; color: var(--color-white); margin-bottom: 12px; }
.ai-desc { font-size: 14px; color: var(--color-text3); line-height: 1.7; margin-bottom: 16px; }
.ai-features { list-style: none; text-align: left; }
.ai-features li {
  font-size: 13px;
  color: var(--color-text2);
  padding: 4px 0;
  padding-left: 18px;
  position: relative;
}
.ai-features li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-size: 10px;
  top: 6px;
}

/* ===================== COMMUNITY ===================== */
.community-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
}
.community-posts { display: flex; flex-direction: column; gap: 16px; }
.post-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  gap: 16px;
  transition: all var(--transition);
}
.post-card:hover { border-color: var(--color-primary); background: rgba(46,204,113,0.04); }
.post-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.post-content { flex: 1; }
.post-header { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.post-author { font-size: 14px; font-weight: 700; color: var(--color-white); }
.post-badge {
  background: rgba(46,204,113,0.15);
  color: var(--color-primary);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}
.post-time { font-size: 12px; color: var(--color-text3); margin-left: auto; }
.post-title { font-size: 15px; font-weight: 600; color: var(--color-white); margin-bottom: 6px; }
.post-preview { font-size: 13px; color: var(--color-text3); line-height: 1.6; margin-bottom: 12px; }
.post-footer { display: flex; gap: 16px; font-size: 12px; color: var(--color-text3); }
.post-action { display: flex; align-items: center; gap: 4px; cursor: pointer; transition: color var(--transition); }
.post-action:hover { color: var(--color-primary); }

.community-sidebar { display: flex; flex-direction: column; gap: 20px; }
.sidebar-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
}
.sidebar-title { font-size: 15px; font-weight: 700; color: var(--color-white); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--color-border); }
.sidebar-list { list-style: none; }
.sidebar-list li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(30,64,34,0.5);
  font-size: 13px;
  color: var(--color-text2);
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: color var(--transition);
}
.sidebar-list li:hover { color: var(--color-primary); }
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-rank { width: 20px; height: 20px; background: var(--color-bg3); border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; flex-shrink: 0; }
.sidebar-rank.top1 { background: var(--color-gold); color: #fff; }
.sidebar-rank.top2 { background: #95a5a6; color: #fff; }
.sidebar-rank.top3 { background: var(--color-gold2); color: #fff; }

/* ===================== EXPERTS ===================== */
.experts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.expert-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}
.expert-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}
.expert-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 16px;
  border: 3px solid var(--color-primary);
  box-shadow: 0 4px 16px rgba(46,204,113,0.3);
}
.expert-avatar img { width: 100%; height: 100%; object-fit: cover; }
.expert-name { font-size: 18px; font-weight: 800; color: var(--color-white); margin-bottom: 4px; }
.expert-role { font-size: 13px; color: var(--color-primary); font-weight: 600; margin-bottom: 12px; }
.expert-bio { font-size: 13px; color: var(--color-text3); line-height: 1.7; margin-bottom: 16px; }
.expert-certs { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.cert-tag {
  background: rgba(46,204,113,0.1);
  border: 1px solid rgba(46,204,113,0.2);
  color: var(--color-primary);
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

/* ===================== AWARDS ===================== */
.awards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.award-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  transition: all var(--transition);
}
.award-card:hover { border-color: var(--color-gold); transform: translateY(-4px); }
.award-icon { font-size: 36px; margin-bottom: 12px; }
.award-title { font-size: 14px; font-weight: 700; color: var(--color-white); margin-bottom: 6px; }
.award-org { font-size: 12px; color: var(--color-text3); }

/* ===================== FAQ ===================== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.open { border-color: var(--color-primary); }
.faq-q {
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-white);
  transition: color var(--transition);
  user-select: none;
}
.faq-q:hover { color: var(--color-primary); }
.faq-arrow {
  width: 24px;
  height: 24px;
  background: var(--color-bg3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--color-text3);
  transition: all var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-arrow { transform: rotate(180deg); background: var(--color-primary); color: #fff; }
.faq-a {
  display: none;
  padding: 0 24px 18px;
  font-size: 14px;
  color: var(--color-text2);
  line-height: 1.8;
}
.faq-item.open .faq-a { display: block; }

/* ===================== REVIEWS ===================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
}
.review-card:hover { border-color: var(--color-primary); transform: translateY(-4px); }
.586cd9f { color: var(--color-gold); font-size: 16px; margin-bottom: 12px; }
.review-text { font-size: 14px; color: var(--color-text2); line-height: 1.8; margin-bottom: 16px; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.review-name { font-size: 14px; font-weight: 700; color: var(--color-white); }
.review-role { font-size: 12px; color: var(--color-text3); }

/* ===================== PARTNERS ===================== */
.partners-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.partner-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 28px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text3);
  transition: all var(--transition);
  text-align: center;
}
.partner-item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* ===================== FOOTER ===================== */
.site-footer {
  background: var(--color-bg2);
  border-top: 1px solid var(--color-border);
  padding: 60px 0 0;
}
.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo-name { font-size: 24px; margin-bottom: 4px; }
.footer-brand .logo-sub { font-size: 12px; }
.footer-desc { font-size: 14px; color: var(--color-text3); line-height: 1.8; margin: 16px 0; }
.lni1qtn { display: flex; gap: 10px; }
.social-btn {
  width: 36px;
  height: 36px;
  background: var(--color-bg3);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  cursor: pointer;
  transition: all var(--transition);
}
.social-btn:hover { background: var(--color-primary); border-color: var(--color-primary); }

.footer-col h4 { font-size: 15px; font-weight: 700; color: var(--color-white); margin-bottom: 16px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 13px; color: var(--color-text3); transition: color var(--transition); }
.footer-links a:hover { color: var(--color-primary); }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 20px 24px;
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--color-text3);
}
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: var(--color-text3); transition: color var(--transition); }
.footer-bottom-links a:hover { color: var(--color-primary); }
.update-time { color: var(--color-primary); font-weight: 600; }

/* ===================== BREADCRUMB ===================== */
.breadcrumb {
  background: var(--color-bg2);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}
.breadcrumb-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text3);
}
.breadcrumb-inner a { color: var(--color-text3); }
.breadcrumb-inner a:hover { color: var(--color-primary); }
.breadcrumb-sep { color: var(--color-border); }
.breadcrumb-current { color: var(--color-primary); font-weight: 600; }

/* ===================== MOBILE NAV ===================== */
.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--color-nav-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 24px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 15px;
  color: var(--color-text2);
  font-weight: 500;
}
.mobile-nav a:hover { background: rgba(46,204,113,0.1); color: var(--color-primary); }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .hero-video-preview { max-width: 500px; }
  .media-grid { grid-template-columns: repeat(2, 1fr); }
  .ai-grid { grid-template-columns: repeat(2, 1fr); }
  .experts-grid { grid-template-columns: repeat(2, 1fr); }
  .awards-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .site-intro { grid-template-columns: 1fr; }
  .community-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .search-wrap { display: none; }
  .hero-content { padding: 40px 24px; }
  .hero-stats { gap: 20px; }
  .media-grid { grid-template-columns: 1fr; }
  .ai-grid { grid-template-columns: 1fr; }
  .ent-grid { grid-template-columns: 1fr; }
  .experts-grid { grid-template-columns: 1fr; }
  .awards-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .intro-features { grid-template-columns: 1fr; }
  .intro-stats { grid-template-columns: repeat(2, 1fr); }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .ent-card { flex-direction: column; }
  .ent-thumb { width: 100%; height: 180px; }
}

@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .awards-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
}