/*
 * 精神小妹 - 主样式文件
 * 设计风格：现代影视传媒风格 · 深色+红色主题 · 专业媒体感
 * 品牌色：#E8192C（精神小妹红）/ #1a1a2e（深夜蓝）/ #f5f5f5（浅灰）
 * 字体：Noto Sans SC（中文正文）
 */

/* ===== CSS Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: #1a1a2e;
  background: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color .2s; }
a:hover { color: #E8192C; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ===== CSS Variables ===== */
:root {
  --red: #E8192C;
  --red-dark: #c0121f;
  --navy: #1a1a2e;
  --navy-light: #16213e;
  --gray-light: #f5f5f5;
  --gray-mid: #e8e8e8;
  --gray-text: #666;
  --white: #fff;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.18);
  --radius: 10px;
  --radius-lg: 16px;
  --transition: .25s cubic-bezier(0.23,1,0.32,1);
}

/* ===== Container ===== */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}
@media(min-width:768px){ .container { padding: 0 32px; } }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px; border-radius: var(--radius);
  font-size: .95rem; font-weight: 700; letter-spacing: .02em;
  transition: all var(--transition); cursor: pointer;
}
.btn-primary {
  background: var(--red); color: #fff; border: 2px solid var(--red);
}
.btn-primary:hover { background: var(--red-dark); border-color: var(--red-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(232,25,44,.35); }
.btn-outline {
  background: transparent; color: var(--navy); border: 2px solid var(--navy);
}
.btn-outline:hover { background: var(--navy); color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 8px 18px; font-size: .85rem; }
.btn-full { width: 100%; }
.btn-link { color: var(--red); font-weight: 600; font-size: .9rem; }
.btn-link:hover { text-decoration: underline; }
.btn-more { font-size: .9rem; color: var(--red); font-weight: 600; white-space: nowrap; }

/* ===== Site Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(26,26,46,.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.header-inner {
  display: flex; align-items: center; gap: 16px;
  height: 64px;
}
.logo { flex-shrink: 0; }
.logo-svg { height: 36px; width: auto; }
.header-search { flex: 1; max-width: 400px; }
.search-form { display: flex; align-items: center; background: rgba(255,255,255,.1); border-radius: 24px; overflow: hidden; border: 1px solid rgba(255,255,255,.15); transition: border-color var(--transition); }
.search-form:focus-within { border-color: var(--red); }
.search-input {
  flex: 1; padding: 9px 16px; background: transparent; color: #fff;
  font-size: .9rem; outline: none; border: none;
}
.search-input::placeholder { color: rgba(255,255,255,.5); }
.search-btn {
  padding: 9px 14px; color: rgba(255,255,255,.7); transition: color var(--transition);
}
.search-btn:hover { color: var(--red); }
.search-btn svg { width: 18px; height: 18px; }
.main-nav ul { display: flex; gap: 4px; }
.main-nav a {
  display: block; padding: 8px 14px; color: rgba(255,255,255,.85);
  font-size: .9rem; font-weight: 500; border-radius: 6px;
  transition: all var(--transition);
}
.main-nav a:hover, .main-nav a.active { color: #fff; background: var(--red); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; margin-left: auto; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: all var(--transition); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ===== Breadcrumb ===== */
.breadcrumb { background: var(--gray-light); border-bottom: 1px solid var(--gray-mid); padding: 8px 0; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; font-size: .82rem; color: var(--gray-text); }
.breadcrumb li + li::before { content: '›'; margin-right: 8px; }
.breadcrumb a { color: var(--red); }

/* ===== Section Headers ===== */
.section-header { text-align: center; margin-bottom: 48px; }
.section-header-light { color: #fff; }
.section-title { font-size: 2rem; font-weight: 900; color: var(--navy); margin-bottom: 12px; }
.section-header-light .section-title { color: #fff; }
.section-title span { color: var(--red); }
.section-sub { color: var(--gray-text); font-size: 1rem; max-width: 600px; margin: 0 auto 16px; }
.section-header-light .section-sub { color: rgba(255,255,255,.75); }
.section-header { display: flex; flex-direction: column; align-items: center; }

/* ===== Hero Section ===== */
.hero-section {
  position: relative; min-height: 580px;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transform: scale(1.05);
  transition: transform 8s ease;
}
.hero-section:hover .hero-bg { transform: scale(1); }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(26,26,46,.85) 0%, rgba(26,26,46,.5) 60%, rgba(232,25,44,.2) 100%);
}
.hero-content { position: relative; z-index: 1; padding: 80px 0; }
.hero-text { max-width: 640px; }
.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 900;
  color: #fff; line-height: 1.2; margin-bottom: 16px;
  text-shadow: 0 2px 12px rgba(0,0,0,.4);
}
.hero-sub { font-size: 1.1rem; color: rgba(255,255,255,.85); margin-bottom: 32px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-btns .btn-outline { border-color: rgba(255,255,255,.7); color: #fff; }
.hero-btns .btn-outline:hover { background: rgba(255,255,255,.15); border-color: #fff; }
.hero-stats { display: flex; gap: 32px; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-item strong { display: block; font-size: 1.6rem; font-weight: 900; color: #fff; }
.stat-item span { font-size: .82rem; color: rgba(255,255,255,.7); }

/* ===== Category Nav ===== */
.category-nav-section { padding: 48px 0; background: var(--gray-light); }
.category-nav-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.cat-card {
  background: #fff; border-radius: var(--radius-lg);
  padding: 28px 20px; text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 2px solid transparent;
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--red); }
.cat-icon { font-size: 2.4rem; margin-bottom: 12px; }
.cat-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.cat-card p { font-size: .82rem; color: var(--gray-text); }
.cat-film:hover { border-color: #E8192C; }
.cat-ent:hover { border-color: #ff6b35; }
.cat-ai:hover { border-color: #4361ee; }
.cat-comm:hover { border-color: #06d6a0; }

/* ===== Video Section ===== */
.video-section { padding: 72px 0; }
.video-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.video-grid-large { grid-template-columns: repeat(3,1fr); }
.video-card {
  background: #fff; border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.video-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.video-thumb-wrap { position: relative; aspect-ratio: 4/3; overflow: hidden; cursor: pointer; }
.video-thumb { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.video-card:hover .video-thumb { transform: scale(1.06); }
.video-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.35);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity var(--transition);
}
.video-thumb-wrap:hover .video-overlay { opacity: 1; }
.play-btn {
  width: 56px; height: 56px; border-radius: 50%;
  background: rgba(232,25,44,.9); color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition); box-shadow: 0 4px 20px rgba(232,25,44,.5);
}
.play-btn:hover { transform: scale(1.12); background: var(--red); }
.play-btn svg { width: 22px; height: 22px; margin-left: 3px; }
.video-duration {
  position: absolute; bottom: 8px; right: 10px;
  background: rgba(0,0,0,.75); color: #fff;
  font-size: .75rem; padding: 2px 8px; border-radius: 4px;
}
.video-tag {
  position: absolute; top: 10px; left: 10px;
  background: var(--red); color: #fff;
  font-size: .72rem; padding: 3px 10px; border-radius: 20px; font-weight: 600;
}
.video-info { padding: 16px; }
.video-title { font-size: .92rem; font-weight: 700; color: var(--navy); line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.video-desc { font-size: .82rem; color: var(--gray-text); margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.video-meta { display: flex; gap: 12px; flex-wrap: wrap; }
.meta-item { font-size: .78rem; color: var(--gray-text); }
.video-thumb-wrap.playing .video-overlay { opacity: 1; }

/* ===== AI Section ===== */
.ai-section { position: relative; padding: 80px 0; overflow: hidden; }
.ai-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.ai-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(26,26,46,.92) 0%, rgba(26,26,46,.8) 100%); }
.ai-content { position: relative; z-index: 1; }
.ai-features-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.ai-feature-card {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg); padding: 32px 24px;
  transition: all var(--transition); backdrop-filter: blur(8px);
}
.ai-feature-card:hover { background: rgba(255,255,255,.14); border-color: var(--red); transform: translateY(-4px); }
.ai-icon { font-size: 2.4rem; margin-bottom: 16px; }
.ai-feature-card h3 { font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
.ai-feature-card p { font-size: .9rem; color: rgba(255,255,255,.75); margin-bottom: 16px; line-height: 1.7; }

/* ===== Entertainment Section ===== */
.ent-section { padding: 72px 0; background: var(--gray-light); }
.ent-tabs { display: flex; gap: 8px; margin-bottom: 32px; flex-wrap: wrap; }
.tab-btn {
  padding: 9px 22px; border-radius: 24px; font-size: .88rem; font-weight: 600;
  border: 2px solid var(--gray-mid); color: var(--gray-text);
  transition: all var(--transition); background: #fff;
}
.tab-btn.active, .tab-btn:hover { background: var(--red); border-color: var(--red); color: #fff; }
.tab-content { display: none; }
.tab-content.active { display: block; }
.mini-video-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.mini-video-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: all var(--transition); }
.mini-video-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.mini-thumb-wrap { position: relative; aspect-ratio: 4/3; cursor: pointer; }
.mini-thumb-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}
.mini-thumb-cosplay { background: linear-gradient(135deg, #6b21a8 0%, #a855f7 50%, #ec4899 100%); }
.mini-thumb-anime { background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #06b6d4 100%); }
.mini-play-btn {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(232,25,44,.85); color: #fff; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity var(--transition);
}
.mini-thumb-wrap:hover .mini-play-btn { opacity: 1; }
.mini-title { font-size: .8rem; font-weight: 600; color: var(--navy); padding: 10px 10px 4px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.mini-views { display: block; font-size: .75rem; color: var(--gray-text); padding: 0 10px 4px; }
.mini-tag { display: inline-block; margin: 0 10px 10px; font-size: .7rem; background: var(--gray-light); color: var(--gray-text); padding: 2px 8px; border-radius: 10px; }
.photo-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.photo-item { position: relative; aspect-ratio: 1; border-radius: var(--radius); overflow: hidden; cursor: pointer; }
.photo-placeholder { width: 100%; height: 100%; background: linear-gradient(135deg, #f093fb 0%, #f5576c 50%, #4facfe 100%); transition: transform var(--transition); }
.photo-item:hover .photo-placeholder { transform: scale(1.08); }
.photo-overlay { position: absolute; inset: 0; background: rgba(0,0,0,.4); display: flex; align-items: flex-end; padding: 12px; opacity: 0; transition: opacity var(--transition); }
.photo-item:hover .photo-overlay { opacity: 1; }
.photo-overlay span { color: #fff; font-size: .8rem; font-weight: 600; }

/* ===== Experts Section ===== */
.experts-section { padding: 72px 0; }
.experts-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 28px; }
.expert-card {
  display: flex; gap: 20px; background: #fff;
  border-radius: var(--radius-lg); padding: 24px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--gray-mid);
  transition: all var(--transition);
}
.expert-card:hover { box-shadow: var(--shadow-md); border-color: var(--red); transform: translateY(-4px); }
.expert-avatar { flex-shrink: 0; }
.expert-avatar img { width: 90px; height: 90px; border-radius: 50%; object-fit: cover; border: 3px solid var(--red); }
.expert-info h3 { font-size: 1.1rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.expert-title { display: inline-block; background: var(--red); color: #fff; font-size: .75rem; padding: 2px 10px; border-radius: 12px; margin-bottom: 10px; font-weight: 600; }
.expert-desc { font-size: .85rem; color: var(--gray-text); margin-bottom: 8px; line-height: 1.6; }
.expert-awards, .expert-works { font-size: .82rem; color: var(--gray-text); margin-bottom: 6px; }
.expert-btns { display: flex; gap: 10px; margin-top: 12px; }

/* ===== Partners Section ===== */
.partners-section { padding: 72px 0; background: var(--gray-light); }
.partners-logo-wall { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; margin-bottom: 56px; }
.partner-logo-item {
  background: #fff; border-radius: var(--radius); padding: 14px 24px;
  box-shadow: var(--shadow-sm); font-weight: 700; font-size: .9rem; color: var(--navy);
  transition: all var(--transition); border: 1px solid var(--gray-mid);
}
.partner-logo-item:hover { box-shadow: var(--shadow-md); border-color: var(--red); color: var(--red); transform: translateY(-2px); }
.join-guide { background: #fff; border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-sm); }
.join-guide > h3 { font-size: 1.5rem; font-weight: 900; color: var(--navy); margin-bottom: 32px; text-align: center; }
.join-steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; margin-bottom: 48px; }
.join-step { text-align: center; padding: 24px 16px; }
.step-num { font-size: 2.4rem; font-weight: 900; color: var(--red); margin-bottom: 12px; }
.join-step h4 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.join-step p { font-size: .85rem; color: var(--gray-text); line-height: 1.6; }

/* ===== FAQ ===== */
.faq-section { margin-top: 40px; }
.faq-section > h3 { font-size: 1.4rem; font-weight: 900; color: var(--navy); margin-bottom: 24px; }
.faq-item { border: 1px solid var(--gray-mid); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; }
.faq-q {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px; font-size: .95rem; font-weight: 600; color: var(--navy);
  background: #fff; cursor: pointer; transition: background var(--transition);
}
.faq-q:hover, .faq-q.open { background: var(--gray-light); color: var(--red); }
.faq-arrow { transition: transform var(--transition); font-size: .8rem; }
.faq-q.open .faq-arrow { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a.open { max-height: 200px; }
.faq-a p { padding: 16px 20px; font-size: .9rem; color: var(--gray-text); line-height: 1.7; border-top: 1px solid var(--gray-mid); }

/* ===== Reviews Section ===== */
.reviews-section { padding: 72px 0; }
.reviews-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.review-card {
  background: #fff; border-radius: var(--radius-lg); padding: 24px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--gray-mid);
  transition: all var(--transition);
}
.review-card:hover { box-shadow: var(--shadow-md); border-color: var(--red); transform: translateY(-4px); }
.review-header { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.reviewer-avatar { font-size: 2rem; flex-shrink: 0; }
.reviewer-info { flex: 1; }
.reviewer-info strong { display: block; font-size: .9rem; color: var(--navy); }
.review-tag { font-size: .72rem; background: var(--gray-light); color: var(--gray-text); padding: 2px 8px; border-radius: 10px; }
.review-rating { color: #f59e0b; font-size: .9rem; flex-shrink: 0; }
.review-text { font-size: .85rem; color: var(--gray-text); line-height: 1.7; margin-bottom: 12px; }
.review-date { font-size: .75rem; color: #aaa; }

/* ===== Contact Section ===== */
.contact-section { padding: 72px 0; background: var(--gray-light); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.contact-info-card { background: #fff; border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-sm); }
.contact-info-card h3 { font-size: 1.3rem; font-weight: 900; color: var(--navy); margin-bottom: 24px; }
.contact-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 24px; }
.contact-list li { font-size: .9rem; color: var(--gray-text); }
.contact-list a { color: var(--red); }
.business-scope h4 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 12px; }
.scope-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.scope-tags span { background: var(--gray-light); border-radius: 20px; padding: 4px 14px; font-size: .82rem; color: var(--navy); border: 1px solid var(--gray-mid); }
.contact-community { background: #fff; border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-sm); }
.contact-community h3 { font-size: 1.3rem; font-weight: 900; color: var(--navy); margin-bottom: 24px; }
.community-entries { display: flex; flex-direction: column; gap: 14px; }
.community-entry {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px; border-radius: var(--radius);
  border: 1px solid var(--gray-mid); transition: all var(--transition);
}
.community-entry:hover { border-color: var(--red); background: rgba(232,25,44,.04); }
.entry-icon { font-size: 1.8rem; }
.community-entry strong { display: block; font-size: .9rem; color: var(--navy); }
.community-entry p { font-size: .82rem; color: var(--gray-text); }

/* ===== Page Hero ===== */
.page-hero {
  padding: 64px 0; text-align: center;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: #fff;
}
.page-hero h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 900; margin-bottom: 12px; }
.page-hero h1 span { color: var(--red); }
.page-hero p { font-size: 1rem; color: rgba(255,255,255,.75); }
.page-hero-video { background: linear-gradient(135deg, #0f3460 0%, #1a1a2e 100%); }
.page-hero-community { background: linear-gradient(135deg, #6b21a8 0%, #1a1a2e 100%); }
.page-hero-tools { background: linear-gradient(135deg, #1e40af 0%, #1a1a2e 100%); }
.page-hero-about { background: linear-gradient(135deg, #065f46 0%, #1a1a2e 100%); }
.page-hero-contact { background: linear-gradient(135deg, #92400e 0%, #1a1a2e 100%); }

/* ===== Video List Section ===== */
.video-list-section { padding: 48px 0; }
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.filter-btn {
  padding: 8px 20px; border-radius: 24px; font-size: .85rem; font-weight: 600;
  border: 2px solid var(--gray-mid); color: var(--gray-text); background: #fff;
  transition: all var(--transition);
}
.filter-btn.active, .filter-btn:hover { background: var(--red); border-color: var(--red); color: #fff; }
.load-more-wrap { text-align: center; margin-top: 40px; }

/* ===== Community Features ===== */
.community-features-section { padding: 72px 0; }
.community-features-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.comm-feature-card {
  background: #fff; border-radius: var(--radius-lg); padding: 28px 24px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--gray-mid);
  transition: all var(--transition); text-align: center;
}
.comm-feature-card:hover { box-shadow: var(--shadow-md); border-color: var(--red); transform: translateY(-6px); }
.comm-icon { font-size: 2.8rem; margin-bottom: 16px; }
.comm-feature-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
.comm-feature-card p { font-size: .88rem; color: var(--gray-text); margin-bottom: 16px; line-height: 1.7; }
.comm-stats { display: flex; justify-content: center; gap: 20px; margin-bottom: 20px; font-size: .82rem; color: var(--gray-text); }
.comm-stats strong { color: var(--red); }

/* ===== Community Feed ===== */
.community-feed-section { padding: 72px 0; background: var(--gray-light); }
.feed-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.feed-card { background: #fff; border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow-sm); transition: all var(--transition); }
.feed-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.feed-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.feed-avatar { font-size: 1.8rem; }
.feed-user-info strong { display: block; font-size: .9rem; color: var(--navy); }
.feed-user-info time { font-size: .75rem; color: #aaa; }
.feed-content { font-size: .88rem; color: var(--gray-text); line-height: 1.7; margin-bottom: 14px; }
.feed-actions { display: flex; gap: 12px; }
.feed-action-btn { font-size: .82rem; color: var(--gray-text); padding: 4px 10px; border-radius: 20px; border: 1px solid var(--gray-mid); transition: all var(--transition); }
.feed-action-btn:hover { color: var(--red); border-color: var(--red); }

/* ===== Tools Section ===== */
.tools-section { padding: 72px 0; }
.tools-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.tool-card {
  position: relative; background: #fff; border-radius: var(--radius-lg); padding: 28px 24px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--gray-mid);
  transition: all var(--transition);
}
.tool-card:hover { box-shadow: var(--shadow-md); border-color: var(--red); transform: translateY(-6px); }
.tool-badge {
  position: absolute; top: 16px; right: 16px;
  background: var(--red); color: #fff; font-size: .72rem; padding: 3px 10px; border-radius: 12px; font-weight: 700;
}
.tool-icon { font-size: 2.4rem; margin-bottom: 16px; }
.tool-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
.tool-card p { font-size: .88rem; color: var(--gray-text); margin-bottom: 16px; line-height: 1.7; }
.tool-features { margin-bottom: 20px; }
.tool-features li { font-size: .82rem; color: var(--gray-text); padding: 3px 0; }
.tool-tutorials-section { padding: 72px 0; background: var(--gray-light); }
.tutorial-list { display: flex; flex-direction: column; gap: 16px; }
.tutorial-item { display: flex; align-items: center; gap: 16px; background: #fff; border-radius: var(--radius); padding: 16px 20px; box-shadow: var(--shadow-sm); transition: all var(--transition); }
.tutorial-item:hover { box-shadow: var(--shadow-md); border-left: 3px solid var(--red); }
.tutorial-icon { font-size: 1.8rem; flex-shrink: 0; }
.tutorial-info { flex: 1; }
.tutorial-info h3 { font-size: .95rem; font-weight: 600; color: var(--navy); margin-bottom: 6px; }
.tutorial-meta { display: flex; gap: 12px; font-size: .8rem; color: var(--gray-text); }
.tutorial-tag { background: var(--gray-light); padding: 2px 8px; border-radius: 10px; }

/* ===== About Section ===== */
.about-intro-section { padding: 72px 0; }
.about-intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-text h2 { font-size: 1.8rem; font-weight: 900; color: var(--navy); margin-bottom: 20px; }
.about-text h2 span { color: var(--red); }
.about-text p { font-size: .92rem; color: var(--gray-text); line-height: 1.8; margin-bottom: 16px; }
.about-stats-row { display: flex; gap: 24px; margin-top: 28px; flex-wrap: wrap; }
.about-stat { text-align: center; }
.about-stat strong { display: block; font-size: 1.6rem; font-weight: 900; color: var(--red); }
.about-stat span { font-size: .8rem; color: var(--gray-text); }
.about-img-wrap img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.about-mission-section { padding: 72px 0; background: var(--gray-light); }
.mission-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.mission-card { background: #fff; border-radius: var(--radius-lg); padding: 32px 24px; text-align: center; box-shadow: var(--shadow-sm); transition: all var(--transition); }
.mission-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.mission-icon { font-size: 2.4rem; margin-bottom: 16px; }
.mission-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
.mission-card p { font-size: .88rem; color: var(--gray-text); line-height: 1.7; }
.about-timeline-section { padding: 72px 0; }
.timeline { max-width: 800px; margin: 0 auto; }
.timeline-item { display: grid; grid-template-columns: 80px 24px 1fr; gap: 16px; align-items: start; margin-bottom: 28px; }
.timeline-year { font-size: 1.2rem; font-weight: 900; color: var(--red); text-align: right; padding-top: 2px; }
.timeline-dot { width: 16px; height: 16px; border-radius: 50%; background: var(--red); border: 3px solid #fff; box-shadow: 0 0 0 3px var(--red); margin-top: 4px; justify-self: center; }
.timeline-content { font-size: .9rem; color: var(--gray-text); line-height: 1.7; padding-top: 2px; }

/* ===== Contact Page ===== */
.contact-main-section { padding: 72px 0; }
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-bottom: 56px; }
.contact-info-panel { background: #fff; border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-sm); }
.contact-info-panel h2 { font-size: 1.3rem; font-weight: 900; color: var(--navy); margin-bottom: 24px; }
.contact-info-list { display: flex; flex-direction: column; gap: 16px; margin-bottom: 24px; }
.contact-info-item { display: flex; gap: 12px; align-items: flex-start; }
.ci-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.contact-info-item strong { display: block; font-size: .85rem; color: var(--navy); font-weight: 700; }
.contact-info-item p { font-size: .88rem; color: var(--gray-text); }
.contact-info-item a { color: var(--red); }
.office-photo { margin-top: 20px; border-radius: var(--radius); overflow: hidden; }
.office-photo img { width: 100%; height: 180px; object-fit: cover; }
.office-photo p { font-size: .78rem; color: var(--gray-text); text-align: center; padding: 8px 0; }
.contact-form-panel { background: #fff; border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-sm); }
.contact-form-panel h2 { font-size: 1.3rem; font-weight: 900; color: var(--navy); margin-bottom: 24px; }
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: .85rem; font-weight: 600; color: var(--navy); }
.form-group input, .form-group select, .form-group textarea {
  padding: 11px 14px; border: 1.5px solid var(--gray-mid); border-radius: var(--radius);
  font-size: .9rem; color: var(--navy); outline: none; transition: border-color var(--transition);
  background: #fff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--red); }
.community-entries-section { background: var(--gray-light); border-radius: var(--radius-lg); padding: 40px; }
.community-entries-section h2 { font-size: 1.4rem; font-weight: 900; color: var(--navy); margin-bottom: 28px; text-align: center; }
.community-entries-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.ce-card { background: #fff; border-radius: var(--radius-lg); padding: 24px; text-align: center; box-shadow: var(--shadow-sm); transition: all var(--transition); }
.ce-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.ce-qr { width: 80px; height: 80px; margin: 0 auto 12px; }
.ce-qr svg { width: 100%; height: 100%; }
.ce-icon-large { font-size: 3rem; margin-bottom: 12px; }
.ce-card h3 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.ce-card p { font-size: .82rem; color: var(--gray-text); margin-bottom: 12px; }

/* ===== Footer ===== */
.site-footer { background: var(--navy); color: rgba(255,255,255,.8); padding: 56px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.5fr 1.5fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-logo svg { height: 36px; width: auto; margin-bottom: 16px; }
.footer-slogan { font-size: .88rem; color: rgba(255,255,255,.6); line-height: 1.7; margin-bottom: 8px; }
.footer-domain { font-size: .82rem; color: rgba(255,255,255,.5); margin-bottom: 16px; }
.footer-domain a { color: var(--red); }
.social-share { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.social-share span { font-size: .8rem; color: rgba(255,255,255,.5); }
.social-btn { padding: 5px 12px; border-radius: 20px; font-size: .78rem; font-weight: 600; border: 1px solid rgba(255,255,255,.2); color: rgba(255,255,255,.7); transition: all var(--transition); }
.social-btn:hover { background: var(--red); border-color: var(--red); color: #fff; }
.footer-title { font-size: .95rem; font-weight: 700; color: #fff; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 2px solid var(--red); display: inline-block; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: .85rem; color: rgba(255,255,255,.6); transition: color var(--transition); }
.footer-links a:hover { color: var(--red); }
.footer-contact { display: flex; flex-direction: column; gap: 8px; }
.footer-contact li { font-size: .82rem; color: rgba(255,255,255,.6); }
.footer-contact a { color: var(--red); }
.footer-qr .qr-group { display: flex; gap: 16px; }
.qr-item { text-align: center; }
.qr-placeholder { width: 80px; height: 80px; background: #fff; border-radius: 8px; padding: 4px; margin-bottom: 6px; }
.qr-placeholder svg { width: 100%; height: 100%; }
.qr-item p { font-size: .75rem; color: rgba(255,255,255,.6); }
.footer-bottom { padding: 20px 0; border-top: 1px solid rgba(255,255,255,.06); }
.footer-bottom-inner { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; font-size: .8rem; color: rgba(255,255,255,.4); }
.footer-bottom-inner a { color: rgba(255,255,255,.5); }
.footer-bottom-inner a:hover { color: var(--red); }
.update-time { color: rgba(255,255,255,.5); }
.footer-icp { font-size: .75rem; }

/* ===== Responsive ===== */
@media(max-width:1100px){
  .video-grid, .video-grid-large { grid-template-columns: repeat(2,1fr); }
  .reviews-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .ai-features-grid { grid-template-columns: repeat(2,1fr); }
  .tools-grid { grid-template-columns: repeat(2,1fr); }
  .community-features-grid { grid-template-columns: repeat(2,1fr); }
  .community-entries-grid { grid-template-columns: repeat(2,1fr); }
}
@media(max-width:900px){
  .category-nav-grid { grid-template-columns: repeat(2,1fr); }
  .experts-grid { grid-template-columns: 1fr; }
  .join-steps { grid-template-columns: repeat(2,1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .about-intro-grid { grid-template-columns: 1fr; }
  .mission-grid { grid-template-columns: 1fr; }
  .mini-video-grid { grid-template-columns: repeat(2,1fr); }
  .photo-grid { grid-template-columns: repeat(3,1fr); }
  .feed-grid { grid-template-columns: repeat(2,1fr); }
}
@media(max-width:768px){
  .header-inner { flex-wrap: wrap; height: auto; padding: 12px 0; }
  .header-search { order: 3; width: 100%; max-width: 100%; }
  .main-nav { display: none; width: 100%; order: 4; }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; padding: 8px 0; }
  .main-nav a { padding: 12px 16px; border-radius: 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav-toggle { display: flex; }
  .hero-section { min-height: 420px; }
  .hero-stats { gap: 20px; }
  .stat-item strong { font-size: 1.2rem; }
  .section-title { font-size: 1.5rem; }
  .video-grid, .video-grid-large { grid-template-columns: 1fr; }
  .ai-features-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
  .community-features-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .join-steps { grid-template-columns: 1fr; }
  .mini-video-grid { grid-template-columns: repeat(2,1fr); }
  .photo-grid { grid-template-columns: repeat(2,1fr); }
  .feed-grid { grid-template-columns: 1fr; }
  .community-entries-grid { grid-template-columns: repeat(2,1fr); }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .timeline-item { grid-template-columns: 60px 16px 1fr; }
}
@media(max-width:480px){
  .hero-btns { flex-direction: column; }
  .category-nav-grid { grid-template-columns: 1fr 1fr; }
  .mini-video-grid { grid-template-columns: 1fr; }
  .photo-grid { grid-template-columns: repeat(2,1fr); }
  .community-entries-grid { grid-template-columns: 1fr; }
  .expert-card { flex-direction: column; }
  .expert-avatar img { width: 70px; height: 70px; }
}

/* ===== 影视传媒栏目（film-cats-section）===== */
.film-cats-section { padding: 72px 0; background: #fff; }
.film-cats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.film-cat-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: #f8f9fa;
  border-radius: 14px;
  padding: 24px 20px;
  border: 1px solid #e8e8e8;
  transition: box-shadow .25s, transform .25s;
}
.film-cat-card:hover {
  box-shadow: 0 8px 28px rgba(232,25,44,.1);
  transform: translateY(-3px);
}
.film-cat-icon {
  font-size: 2.2rem;
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
}
.film-cat-info h3 {
  font-size: 1rem;
  font-weight: 800;
  color: #1a1a2e;
  margin-bottom: 8px;
}
.film-cat-info p {
  font-size: .88rem;
  color: #555;
  line-height: 1.6;
  margin-bottom: 12px;
}
.film-cat-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.film-cat-count {
  font-size: .8rem;
  color: #E8192C;
  font-weight: 700;
}
.film-cat-tag {
  font-size: .75rem;
  background: #fff0f1;
  color: #E8192C;
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid #ffd0d4;
}
@media(max-width:900px){
  .film-cats-grid { grid-template-columns: repeat(2,1fr); }
}
@media(max-width:600px){
  .film-cats-grid { grid-template-columns: 1fr; }
  .film-cat-card { flex-direction: column; }
}

/* ===== 内页 FAQ 样式 ===== */
.faq-section-inner .faq-section { max-width: 860px; }
.faq-section-inner .faq-item {
  border: 1px solid #e8e8e8;
  border-radius: 10px;
  margin-bottom: 12px;
  overflow: hidden;
  background: #fff;
}
.faq-section-inner .faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  font-size: .95rem;
  font-weight: 700;
  color: #1a1a2e;
  background: #fff;
  cursor: pointer;
  text-align: left;
}
.faq-section-inner .faq-q:hover { color: #E8192C; }
.faq-section-inner .faq-a {
  display: none;
  padding: 0 20px 16px;
  font-size: .9rem;
  color: #555;
  line-height: 1.7;
}
.faq-section-inner .faq-a.open { display: block; }
.faq-section-inner .faq-q.open .faq-arrow { transform: rotate(180deg); }
.faq-section-inner .faq-arrow { transition: transform .2s; }