/* ============================================
   糖心vlog - 影视传媒与视频社区
   原创主题：樱花靛蓝动漫风
   域名：ptLyy.cn
   ============================================ */

/* === 基础重置与变量 === */
:root {
  --primary: #e84393;
  --primary-dark: #c0392b;
  --secondary: #2d3561;
  --accent: #ff7675;
  --accent-gold: #fdcb6e;
  --bg-dark: #1a1a2e;
  --bg-card: #16213e;
  --bg-section: #0f3460;
  --text-main: #f0e6ef;
  --text-muted: #b8a9c9;
  --text-heading: #ffeaa7;
  --gradient-primary: linear-gradient(135deg, #e84393, #fd79a8, #e17055);
  --gradient-hero: linear-gradient(160deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
  --gradient-card: linear-gradient(145deg, #16213e, #1a1a2e);
  --shadow-card: 0 8px 32px rgba(232, 67, 147, 0.15);
  --shadow-hover: 0 12px 40px rgba(232, 67, 147, 0.25);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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: 1.8;
  overflow-x: hidden;
}

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

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* === 顶部导航 === */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(26, 26, 46, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(232, 67, 147, 0.2);
  padding: 0 20px;
  transition: var(--transition);
}

.header-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}

.logo-area { display: flex; align-items: center; gap: 10px; }
.logo-area img { height: 42px; width: auto; border-radius: 6px; }
.logo-area .brand-name {
  font-size: 1.4rem; font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  color: var(--text-main); padding: 8px 14px;
  border-radius: 8px; font-size: 0.92rem; font-weight: 500;
  transition: var(--transition); position: relative;
}
.main-nav a:hover, .main-nav a.active {
  color: var(--primary); background: rgba(232, 67, 147, 0.1);
}

.mobile-toggle {
  display: none; background: none; border: none;
  color: var(--text-main); font-size: 1.5rem; cursor: pointer;
}

/* === 搜索框 === */
.search-bar-wrap {
  background: var(--bg-card);
  border-bottom: 1px solid rgba(232, 67, 147, 0.1);
  padding: 12px 20px; margin-top: 68px;
}

.search-bar {
  max-width: 600px; margin: 0 auto;
  display: flex; align-items: center; gap: 10px;
}

.search-bar input {
  flex: 1; padding: 10px 18px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(232, 67, 147, 0.3);
  border-radius: 25px; color: var(--text-main);
  font-size: 0.95rem; outline: none;
  transition: var(--transition);
}
.search-bar input:focus { border-color: var(--primary); background: rgba(255,255,255,0.1); }
.search-bar input::placeholder { color: var(--text-muted); }

.search-bar button {
  padding: 10px 24px;
  background: var(--gradient-primary);
  border: none; border-radius: 25px;
  color: #fff; font-size: 0.95rem; font-weight: 600;
  cursor: pointer; transition: var(--transition);
}
.search-bar button:hover { transform: scale(1.05); box-shadow: 0 4px 15px rgba(232, 67, 147, 0.4); }

/* === Banner区域 === */
.hero-banner {
  position: relative;
  min-height: 520px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}

.hero-banner .hero-bg {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0.35;
}

.hero-banner .hero-overlay {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(180deg, rgba(26,26,46,0.6) 0%, rgba(15,52,96,0.8) 100%);
}

.hero-content {
  position: relative; z-index: 2;
  text-align: center; padding: 40px 20px;
}

.hero-content h1 {
  font-size: 2.8rem; font-weight: 800;
  background: linear-gradient(135deg, #ffeaa7, #e84393, #fd79a8);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px; line-height: 1.3;
}

.hero-content .hero-desc {
  font-size: 1.15rem; color: var(--text-muted);
  max-width: 700px; margin: 0 auto 24px;
  line-height: 1.8;
}

.hero-content .hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 24px; }
.hero-content .hero-tags span {
  padding: 6px 16px; background: rgba(232, 67, 147, 0.15);
  border: 1px solid rgba(232, 67, 147, 0.3);
  border-radius: 20px; font-size: 0.85rem; color: var(--accent);
}

.hero-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  padding: 12px 32px; background: var(--gradient-primary);
  border: none; border-radius: 30px; color: #fff;
  font-size: 1rem; font-weight: 600; cursor: pointer;
  transition: var(--transition); display: inline-block;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); color: #fff; }

.btn-outline {
  padding: 12px 32px;
  background: transparent;
  border: 2px solid var(--primary);
  border-radius: 30px; color: var(--primary);
  font-size: 1rem; font-weight: 600; cursor: pointer;
  transition: var(--transition); display: inline-block;
}
.btn-outline:hover { background: var(--primary); color: #fff; }

/* === 统计条 === */
.stats-bar {
  background: var(--bg-card);
  border-top: 1px solid rgba(232, 67, 147, 0.15);
  border-bottom: 1px solid rgba(232, 67, 147, 0.15);
  padding: 24px 0;
}

.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  text-align: center;
}

.stat-item .stat-num {
  font-size: 2rem; font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-item .stat-label { font-size: 0.88rem; color: var(--text-muted); margin-top: 4px; }

/* === 通用板块 === */
.section { padding: 60px 0; }
.section-alt { background: var(--bg-section); }

.section-header {
  text-align: center; margin-bottom: 40px;
}

.section-header h2 {
  font-size: 2rem; font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 12px;
}

.section-header .section-desc {
  font-size: 1rem; color: var(--text-muted);
  max-width: 650px; margin: 0 auto;
}

/* === 视频卡片 === */
.video-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.video-card {
  background: var(--gradient-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(232, 67, 147, 0.12);
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(232, 67, 147, 0.4);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #0a0a1a;
}

.video-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.video-card:hover .video-thumb img { transform: scale(1.08); }

.video-play-btn {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 60px; height: 60px;
  background: rgba(232, 67, 147, 0.85);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  opacity: 0;
}

.video-play-btn::after {
  content: '';
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 3px;
}

.video-card:hover .video-play-btn {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

.video-duration {
  position: absolute; bottom: 8px; right: 8px;
  background: rgba(0,0,0,0.75);
  padding: 2px 8px; border-radius: 4px;
  font-size: 0.8rem; color: #fff;
}

.video-info { padding: 16px; }
.video-info h3 {
  font-size: 1rem; font-weight: 600;
  color: var(--text-main); margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}

.video-meta {
  display: flex; align-items: center; gap: 14px;
  font-size: 0.82rem; color: var(--text-muted);
}

.video-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.video-tags span {
  padding: 3px 10px;
  background: rgba(232, 67, 147, 0.12);
  border: 1px solid rgba(232, 67, 147, 0.25);
  border-radius: 12px; font-size: 0.78rem; color: var(--accent);
}

/* === 模块卡片网格 === */
.module-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.module-card {
  background: var(--gradient-card);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid rgba(232, 67, 147, 0.12);
  transition: var(--transition);
  text-align: center;
}
.module-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(232, 67, 147, 0.35);
}

.module-card .module-icon {
  font-size: 2.5rem; margin-bottom: 16px;
}

.module-card h3 {
  font-size: 1.15rem; font-weight: 600;
  color: var(--text-heading); margin-bottom: 10px;
}

.module-card p {
  font-size: 0.9rem; color: var(--text-muted); line-height: 1.7;
}

/* === 专家团队 === */
.expert-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.expert-card {
  background: var(--gradient-card);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid rgba(232, 67, 147, 0.12);
  text-align: center;
  transition: var(--transition);
}
.expert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.expert-card .expert-avatar {
  width: 90px; height: 90px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 14px;
  border: 3px solid var(--primary);
}

.expert-card h4 {
  font-size: 1.05rem; color: var(--text-heading); margin-bottom: 4px;
}
.expert-card .expert-title {
  font-size: 0.85rem; color: var(--primary); margin-bottom: 8px;
}
.expert-card .expert-desc {
  font-size: 0.85rem; color: var(--text-muted); line-height: 1.6;
}
.expert-card .expert-btns { display: flex; justify-content: center; gap: 8px; margin-top: 12px; }
.expert-card .expert-btns a {
  padding: 5px 14px; border-radius: 15px;
  font-size: 0.8rem; font-weight: 500;
}

/* === 合作品牌 === */
.partner-logos {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 30px; align-items: center;
}

.partner-logos .partner-item {
  padding: 16px 28px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius);
  border: 1px solid rgba(232, 67, 147, 0.1);
  font-size: 1.1rem; font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
}
.partner-logos .partner-item:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(232, 67, 147, 0.08);
}

/* === FAQ === */
.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
  background: var(--gradient-card);
  border-radius: var(--radius);
  margin-bottom: 12px;
  border: 1px solid rgba(232, 67, 147, 0.12);
  overflow: hidden;
}

.faq-question {
  padding: 18px 24px;
  cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 600; color: var(--text-main);
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-question .faq-toggle {
  font-size: 1.3rem; color: var(--primary);
  transition: var(--transition);
}
.faq-item.active .faq-toggle { transform: rotate(45deg); }

.faq-answer {
  padding: 0 24px;
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  color: var(--text-muted); font-size: 0.92rem; line-height: 1.8;
}
.faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 18px; }

/* === 用户评价 === */
.review-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--gradient-card);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid rgba(232, 67, 147, 0.12);
}

.review-card .review-stars { color: var(--accent-gold); font-size: 1rem; margin-bottom: 10px; }
.review-card .review-text {
  font-size: 0.92rem; color: var(--text-muted);
  line-height: 1.8; margin-bottom: 12px; font-style: italic;
}
.review-card .review-author {
  font-size: 0.88rem; color: var(--primary); font-weight: 600;
}

/* === 联系我们 === */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 40px; align-items: start;
}

.contact-info-list { list-style: none; }
.contact-info-list li {
  padding: 12px 0;
  border-bottom: 1px solid rgba(232, 67, 147, 0.1);
  font-size: 0.95rem; color: var(--text-muted);
}
.contact-info-list li strong { color: var(--text-main); margin-right: 8px; }

.contact-qr-area { display: flex; gap: 24px; justify-content: center; }
.contact-qr-area .qr-item { text-align: center; }
.contact-qr-area .qr-item img {
  width: 140px; height: 140px;
  border-radius: var(--radius);
  border: 2px solid rgba(232, 67, 147, 0.2);
}
.contact-qr-area .qr-item p {
  font-size: 0.85rem; color: var(--text-muted); margin-top: 8px;
}

/* === 页脚 === */
.site-footer {
  background: #0d0d1a;
  border-top: 1px solid rgba(232, 67, 147, 0.15);
  padding: 40px 0 20px;
}

.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 30px; margin-bottom: 30px;
}

.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.footer-brand .footer-logo img { height: 36px; border-radius: 6px; }
.footer-brand .footer-logo span {
  font-size: 1.2rem; font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-brand p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }

.footer-col h4 {
  font-size: 1rem; font-weight: 600;
  color: var(--text-heading); margin-bottom: 14px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: var(--text-muted); font-size: 0.88rem; }
.footer-col ul li a:hover { color: var(--primary); }

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(232, 67, 147, 0.1);
  font-size: 0.85rem; color: var(--text-muted);
}

.footer-bottom .share-links { margin-top: 10px; }
.footer-bottom .share-links a {
  display: inline-block; margin: 0 8px;
  padding: 5px 14px; border-radius: 15px;
  background: rgba(232, 67, 147, 0.1);
  color: var(--text-muted); font-size: 0.82rem;
  transition: var(--transition);
}
.footer-bottom .share-links a:hover {
  background: var(--primary); color: #fff;
}

/* === 面包屑 === */
.breadcrumb {
  padding: 14px 0;
  font-size: 0.88rem; color: var(--text-muted);
}
.breadcrumb a { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }

/* === 内页通用 === */
.page-hero {
  padding: 100px 0 40px;
  background: var(--gradient-hero);
  text-align: center;
}
.page-hero h1 {
  font-size: 2.2rem; font-weight: 700;
  color: var(--text-heading); margin-bottom: 12px;
}
.page-hero p { font-size: 1rem; color: var(--text-muted); }

.page-content { padding: 40px 0 60px; }

/* === How-To指南 === */
.howto-steps { max-width: 800px; margin: 0 auto; }
.howto-step {
  display: flex; gap: 20px; margin-bottom: 24px;
  padding: 20px;
  background: var(--gradient-card);
  border-radius: var(--radius);
  border: 1px solid rgba(232, 67, 147, 0.12);
}
.howto-step .step-num {
  width: 48px; height: 48px; min-width: 48px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 700; color: #fff;
}
.howto-step h4 { font-size: 1.05rem; color: var(--text-heading); margin-bottom: 6px; }
.howto-step p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }

/* === 社区频道 === */
.channel-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.channel-card {
  background: var(--gradient-card);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid rgba(232, 67, 147, 0.12);
  text-align: center;
  transition: var(--transition);
}
.channel-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(232, 67, 147, 0.35);
}
.channel-card .channel-emoji { font-size: 2.5rem; margin-bottom: 12px; }
.channel-card h3 { font-size: 1.05rem; color: var(--text-heading); margin-bottom: 8px; }
.channel-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* === 响应式 === */
@media (max-width: 992px) {
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .channel-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .mobile-toggle { display: block; }
  .main-nav.active {
    display: flex; flex-direction: column;
    position: absolute; top: 68px; left: 0; right: 0;
    background: rgba(26, 26, 46, 0.98);
    padding: 16px; gap: 4px;
    border-bottom: 1px solid rgba(232, 67, 147, 0.2);
  }
  .hero-content h1 { font-size: 1.8rem; }
  .hero-banner { min-height: 400px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid { grid-template-columns: 1fr; }
  .module-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .channel-grid { grid-template-columns: 1fr; }
  .section { padding: 40px 0; }
  .section-header h2 { font-size: 1.5rem; }
}

/* === 隐藏干扰标签 === */
.jrb-wrap { display: none !important; visibility: hidden; height: 0; overflow: hidden; }