/* ============================================
   玩物社区 - 主样式文件 v2（百度SEO EEAT优化版）
   Brand: 玩物社区 | Domain: y1288s.cn
   ============================================ */

/* ---- CSS Variables ---- */
:root {
  --primary:      #1a2a6c;
  --secondary:    #b21f1f;
  --accent:       #00c6ff;
  --accent2:      #7b2ff7;
  --bg-dark:      #0d0d1a;
  --bg-card:      #141428;
  --bg-light:     #f4f6fb;
  --text-main:    #e8eaf6;
  --text-muted:   #9ca3af;
  --text-dark:    #1e1e2e;
  --border:       #2a2a4a;
  --gradient-hero: linear-gradient(135deg, #1a2a6c 0%, #b21f1f 50%, #7b2ff7 100%);
  --shadow:       0 8px 32px rgba(0,198,255,0.12);
  --radius:       12px;
  --transition:   all 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  background: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: #fff; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; outline: none; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--accent2); border-radius: 3px; }

/* ---- 标题层级（H1-H6）百度EEAT ---- */
h1 { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 900; line-height: 1.2; color: #fff; }
h2 { font-size: clamp(1.4rem, 3vw, 2.2rem); font-weight: 800; color: #fff; }
h3 { font-size: 1.05rem; font-weight: 700; color: #fff; }
h4 { font-size: 0.95rem; font-weight: 700; color: #fff; }
h5 { font-size: 0.85rem; font-weight: 600; color: var(--accent); }
h6 { font-size: 0.78rem; font-weight: 500; color: var(--text-muted); }

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13,13,26,0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-wrap img {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: contain;
}
.logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}
.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav a {
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
  background: rgba(0,198,255,0.12);
  color: var(--accent);
}
.nav-toggle {
  display: none;
  background: none;
  color: var(--text-main);
  font-size: 1.6rem;
  padding: 4px 8px;
}

/* ---- Search Bar ---- */
.search-bar-wrap {
  background: rgba(20,20,40,0.98);
  border-bottom: 1px solid var(--border);
  padding: 10px 24px;
}
.search-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.search-input-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 0 16px;
  transition: var(--transition);
  max-width: 640px;
  min-width: 200px;
}
.search-input-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,198,255,0.12);
}
.search-input-wrap input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 0.95rem;
  padding: 9px 0;
}
.search-input-wrap input::placeholder { color: var(--text-muted); }
.search-btn {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: #fff;
  border-radius: 20px;
  padding: 8px 22px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.search-btn:hover { opacity: 0.85; transform: scale(1.03); }
._1jki4to { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
._1jki4to span { color: var(--text-muted); font-size: 0.82rem; }
._flas1i7 {
  background: rgba(123,47,247,0.15);
  color: var(--accent2);
  border: 1px solid rgba(123,47,247,0.3);
  border-radius: 12px;
  padding: 3px 10px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}
._flas1i7:hover { background: rgba(123,47,247,0.3); }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
._bb9z0y {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-banner.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(0.45);
  z-index: 0;
}
._kv0g79 {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,42,108,0.7) 0%, rgba(123,47,247,0.3) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 24px;
  width: 100%;
}
._1vo0u3wo {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,198,255,0.15);
  border: 1px solid rgba(0,198,255,0.4);
  color: var(--accent);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 18px;
  color: #fff;
}
.hero h1 .highlight {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.8);
  max-width: 580px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: #fff;
  padding: 13px 32px;
  border-radius: 28px;
  font-size: 1rem;
  font-weight: 700;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0,198,255,0.3);
  display: inline-block;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,198,255,0.45); color: #fff; }
.btn-outline {
  background: transparent;
  color: #fff;
  padding: 12px 30px;
  border-radius: 28px;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid rgba(255,255,255,0.4);
  transition: var(--transition);
  display: inline-block;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
._mbkrk {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  flex-wrap: wrap;
}
._ebxdupy { text-align: center; }
._rr7fh5 {
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}
._ost80s { font-size: 0.82rem; color: rgba(255,255,255,0.6); margin-top: 4px; }

/* ============================================
   SECTION COMMON
   ============================================ */
.section { padding: 72px 24px; }
.section-inner { max-width: 1280px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-tag {
  display: inline-block;
  background: rgba(0,198,255,0.1);
  color: var(--accent);
  border: 1px solid rgba(0,198,255,0.3);
  border-radius: 20px;
  padding: 4px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.section-title .accent { color: var(--accent); }
.section-desc { color: var(--text-muted); font-size: 1rem; max-width: 560px; margin: 0 auto; }
.section-alt { background: rgba(20,20,40,0.6); }

/* ============================================
   VIDEO / ANIME CARDS
   ============================================ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.video-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(0,198,255,0.4);
}
.video-thumb {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  /* 注意：loading="lazy" 是HTML属性，不是CSS属性 */
}
.video-card:hover .video-thumb img { transform: scale(1.08); }
._j4m8864p {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.video-card:hover ._j4m8864p { opacity: 1; }
._dc80prg {
  width: 60px;
  height: 60px;
  background: rgba(0,198,255,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.8);
  transition: var(--transition);
}
.video-card:hover ._dc80prg { transform: scale(1); }
._dc80prg::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}
._p0cdrxtg {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--secondary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  letter-spacing: 0.5px;
}
._p0cdrxtg.new { background: #00c853; }
._p0cdrxtg.hot { background: var(--secondary); }
._p0cdrxtg.ai  { background: var(--accent2); }
.video-info { padding: 14px; }
.video-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
._0346qe {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.video-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
._dz51e86 {
  background: rgba(123,47,247,0.15);
  color: var(--accent2);
  border-radius: 8px;
  padding: 2px 8px;
  font-size: 0.72rem;
}

/* ============================================
   FEATURE BLOCKS
   ============================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  opacity: 0;
  transition: var(--transition);
}
.feature-card:hover { border-color: rgba(0,198,255,0.3); transform: translateY(-4px); }
.feature-card:hover::before { opacity: 1; }
._6vx37u2t {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(0,198,255,0.15), rgba(123,47,247,0.15));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 16px;
}
.feature-card h3 { font-size: 1.05rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.feature-card p  { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }

/* ============================================
   AI SECTION
   ============================================ */
.ai-section { background: linear-gradient(135deg, rgba(26,42,108,0.4) 0%, rgba(123,47,247,0.2) 100%); }
.ai-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.ai-image-wrap { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.ai-image-wrap img { width: 100%; }
.ai-content h2 { font-size: 2rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
.ai-content p  { color: var(--text-muted); margin-bottom: 24px; line-height: 1.8; }
.ai-features { display: flex; flex-direction: column; gap: 14px; }
.ai-feat-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  background: rgba(255,255,255,0.04);
  border-radius: 10px;
  border: 1px solid var(--border);
}
._nd3alwe {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
._ym0u4ewe h4 { font-size: 0.92rem; font-weight: 700; color: #fff; margin-bottom: 4px; }
._ym0u4ewe p  { font-size: 0.82rem; color: var(--text-muted); }

/* ============================================
   EXPERTS
   ============================================ */
.experts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.expert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}
.expert-card:hover { border-color: rgba(0,198,255,0.4); transform: translateY(-4px); }
._yeqeos {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  border: 3px solid rgba(0,198,255,0.3);
}
.expert-name  { font-size: 1.05rem; font-weight: 700; color: #fff; margin-bottom: 4px; }
.expert-role  { font-size: 0.82rem; color: var(--accent); margin-bottom: 10px; }
.expert-desc  { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; }
._b0j1zxgm { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 10px; }
._cisez {
  background: rgba(178,31,31,0.15);
  color: #ff6b6b;
  border: 1px solid rgba(178,31,31,0.3);
  border-radius: 8px;
  padding: 2px 8px;
  font-size: 0.72rem;
}
.expert-social { text-align: center; }
.expert-btns { display: flex; gap: 8px; justify-content: center; margin-top: 12px; }
.btn-sm { padding: 6px 14px; border-radius: 16px; font-size: 0.8rem; font-weight: 600; transition: var(--transition); }
.btn-sm-primary { background: var(--accent); color: #fff; }
.btn-sm-primary:hover { background: var(--accent2); color: #fff; }
.btn-sm-outline { border: 1px solid var(--border); color: var(--text-muted); }
.btn-sm-outline:hover { border-color: var(--accent); color: var(--accent); }

/* ============================================
   COMMUNITY
   ============================================ */
.community-banner {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  margin-bottom: 40px;
}
.community-banner img { width: 100%; max-height: 320px; object-fit: cover; }
.community-banner-text {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(13,13,26,0.85) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px;
}
.community-banner-text h2 { font-size: 2rem; font-weight: 800; color: #fff; margin-bottom: 10px; }
.community-banner-text p  { color: rgba(255,255,255,0.75); max-width: 400px; }
.community-features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}
.comm-feat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: var(--transition);
}
.comm-feat:hover { border-color: rgba(0,198,255,0.3); }
._47l8d { font-size: 2rem; margin-bottom: 10px; }
.comm-feat h4 { font-size: 0.9rem; font-weight: 700; color: #fff; margin-bottom: 6px; }
.comm-feat p  { font-size: 0.78rem; color: var(--text-muted); }

/* ============================================
   PARTNERS
   ============================================ */
.partners-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: center;
}
.partner-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 24px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
}
.partner-item:hover { border-color: var(--accent); color: var(--accent); }

/* ============================================
   HOW-TO JOIN STEPS
   ============================================ */
.join-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.join-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  counter-increment: step;
  transition: var(--transition);
}
.join-step:hover { border-color: rgba(0,198,255,0.3); }
.join-step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: -14px;
  left: 20px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: #fff;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 10px;
}
.join-step h4 { font-size: 0.95rem; font-weight: 700; color: #fff; margin: 8px 0 8px; }
.join-step p  { font-size: 0.82rem; color: var(--text-muted); }

/* ============================================
   FAQ
   ============================================ */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { border-color: rgba(0,198,255,0.3); }
.faq-q {
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  gap: 12px;
  user-select: none;
}
.faq-q::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--accent);
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.open .faq-q::after { content: '−'; }
.faq-a {
  display: none;
  padding: 0 20px 18px;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.8;
}
.faq-item.open .faq-a { display: block; }

/* ============================================
   REVIEWS
   ============================================ */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: var(--transition);
}
.review-card:hover { border-color: rgba(0,198,255,0.2); }
._iamzzv0 { color: #ffd700; font-size: 0.9rem; margin-bottom: 12px; }
.review-text  { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.review-user  { display: flex; align-items: center; gap: 10px; }
._etsq1qi3 {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.review-name { font-size: 0.88rem; font-weight: 600; color: #fff; }
.review-date { font-size: 0.75rem; color: var(--text-muted); }

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.contact-info h3 { font-size: 1.3rem; font-weight: 700; color: #fff; margin-bottom: 20px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}
.contact-icon {
  width: 40px;
  height: 40px;
  background: rgba(0,198,255,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-detail h4 { font-size: 0.88rem; font-weight: 600; color: #fff; margin-bottom: 2px; }
.contact-detail p  { font-size: 0.82rem; color: var(--text-muted); }
._o9hqhq { display: flex; gap: 20px; margin-top: 24px; flex-wrap: wrap; }
.qr-item  { text-align: center; }
._e96t9ahc {
  width: 100px;
  height: 100px;
  background: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  overflow: hidden;
}
._e96t9ahc canvas { width: 90px !important; height: 90px !important; }
._wmiwdi { font-size: 0.75rem; color: var(--text-muted); line-height: 1.4; }
.community-entries { display: flex; flex-direction: column; gap: 12px; }
.entry-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
}
.entry-item:hover { border-color: rgba(0,198,255,0.3); }
._sd5qctc { font-size: 1.4rem; }
._xea6os h4 { font-size: 0.88rem; font-weight: 600; color: #fff; }
._xea6os p  { font-size: 0.78rem; color: var(--text-muted); }

/* ============================================
   SOCIAL SHARE
   ============================================ */
.social-share {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 32px 24px;
  background: rgba(20,20,40,0.6);
  border-top: 1px solid var(--border);
}
._wsuxzt { font-size: 0.88rem; color: var(--text-muted); }
._4yb5p {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: var(--transition);
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--bg-card);
  cursor: pointer;
}
._4yb5p:hover          { border-color: var(--accent); color: var(--accent); }
._4yb5p.wechat:hover   { border-color: #07c160; color: #07c160; }
._4yb5p.weibo:hover    { border-color: #e6162d; color: #e6162d; }
._4yb5p.douyin:hover   { border-color: #fe2c55; color: #fe2c55; }
._4yb5p.bilibili:hover { border-color: #00a1d6; color: #00a1d6; }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: rgba(8,8,18,0.98);
  border-top: 1px solid var(--border);
  padding: 56px 24px 24px;
}
.footer-inner { max-width: 1280px; margin: 0 auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo-wrap { margin-bottom: 14px; }
.footer-brand p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
._kuxig3 { display: flex; gap: 10px; }
._iv9of {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: var(--transition);
  color: var(--text-muted);
}
._iv9of:hover { background: rgba(0,198,255,0.15); border-color: var(--accent); color: var(--accent); }
.footer-col h4 { font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 0.85rem; color: var(--text-muted); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 0.82rem; color: var(--text-muted); }
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--accent); }
.update-time { font-size: 0.78rem; color: rgba(255,255,255,0.35); }

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb {
  padding: 14px 24px;
  background: rgba(20,20,40,0.5);
  border-bottom: 1px solid var(--border);
}
.breadcrumb-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.breadcrumb-inner a { color: var(--text-muted); }
.breadcrumb-inner a:hover { color: var(--accent); }
.breadcrumb-sep     { color: var(--border); }
.breadcrumb-current { color: var(--accent); }

/* ============================================
   PAGE HERO (inner pages)
   ============================================ */
.page-hero {
  background: linear-gradient(135deg, rgba(26,42,108,0.8) 0%, rgba(123,47,247,0.4) 100%);
  padding: 60px 24px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; color: #fff; margin-bottom: 12px; }
.page-hero p  { color: rgba(255,255,255,0.7); max-width: 560px; margin: 0 auto; }

/* ============================================
   SKILL / TOOL CARDS
   ============================================ */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.skill-card:hover { transform: translateY(-4px); border-color: rgba(0,198,255,0.3); }
.skill-card img { width: 100%; height: 200px; object-fit: cover; }
.skill-card-body { padding: 20px; }
.skill-card-body h3 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.skill-card-body p  { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }
.skill-card-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.skill-level {
  font-size: 0.78rem;
  color: var(--accent);
  background: rgba(0,198,255,0.1);
  padding: 3px 10px;
  border-radius: 10px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .ai-grid     { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: rgba(13,13,26,0.98);
    flex-direction: column;
    padding: 16px;
    border-bottom: 1px solid var(--border);
    z-index: 999;
  }
  .main-nav.open { display: flex; }
  .nav-toggle    { display: block; }
  ._mbkrk    { gap: 20px; }
  .video-grid    { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  .footer-grid   { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section       { padding: 48px 16px; }
  .search-bar-wrap { padding: 10px 16px; }
  ._1jki4to { display: none; }
  .community-banner-text { padding: 20px; }
  .community-banner-text h2 { font-size: 1.4rem; }
  ._o9hqhq { justify-content: center; }
  .join-steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .hero-btns  { flex-direction: column; }
  .join-steps { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.6; }
}
.animate-in { animation: fadeInUp 0.6s ease both; }
._i11z2 {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #00c853;
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

/* ============================================
   UTILITY
   ============================================ */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.hidden { display: none; }
.flex   { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-8  { gap: 8px; }
.gap-16 { gap: 16px; }
.w-full { width: 100%; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  background: rgba(0,198,255,0.1);
  color: var(--accent);
  border: 1px solid rgba(0,198,255,0.25);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.tag:hover { background: rgba(0,198,255,0.2); }