/* ============================================
   抖阴 - 原创样式表
   品牌：抖阴 | 域名：xm8tyc.cn
   配色：深紫黑 + 活力橙 + 动漫紫
   ============================================ */

/* CSS Variables */
:root {
  --primary: #1A0B2E;
  --primary-light: #2D1B69;
  --accent: #FF6B35;
  --accent-hover: #FF8C5A;
  --purple: #7B2FBE;
  --purple-light: #9B4FDE;
  --text-light: #F0E6FF;
  --text-muted: #B8A0D2;
  --card-bg: rgba(123,47,190,0.10);
  --card-border: rgba(255,107,53,0.25);
  --gradient-main: linear-gradient(135deg, #1A0B2E 0%, #2D1B69 50%, #1A0B2E 100%);
  --gradient-accent: linear-gradient(135deg, #FF6B35 0%, #7B2FBE 100%);
  --shadow-card: 0 4px 24px rgba(123,47,190,0.18);
  --shadow-hover: 0 8px 32px rgba(255,107,53,0.22);
  --radius: 12px;
  --radius-lg: 20px;
  --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", "Noto Sans SC", sans-serif;
  background: var(--primary);
  color: var(--text-light);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* Container */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 20px; }

/* ============ HEADER ============ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(26,11,46,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(123,47,190,0.2);
  transition: var(--transition);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1400px; margin: 0 auto; padding: 0 20px; height: 68px;
}
.logo-link { display: flex; align-items: center; gap: 10px; }
.logo-img { height: 46px; width: auto; border-radius: 8px; }
.logo-text { font-size: 1.4rem; font-weight: 700; color: var(--accent); letter-spacing: 1px; }

/* Navigation */
.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  padding: 8px 16px; border-radius: 8px; font-size: 0.92rem;
  color: var(--text-light); font-weight: 500; white-space: nowrap;
  transition: var(--transition);
}
.main-nav a:hover, .main-nav a.active {
  background: rgba(255,107,53,0.15); color: var(--accent);
}

/* Search Box */
.search-bar {
  background: rgba(26,11,46,0.85); border-bottom: 1px solid rgba(123,47,190,0.15);
  padding: 12px 0; margin-top: 68px;
}
.search-wrapper {
  max-width: 640px; margin: 0 auto; position: relative; padding: 0 20px;
}
.search-input {
  width: 100%; padding: 10px 48px 10px 18px; border-radius: 24px;
  border: 1.5px solid rgba(123,47,190,0.3); background: rgba(45,27,105,0.5);
  color: var(--text-light); font-size: 0.95rem; outline: none;
  transition: var(--transition);
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,107,53,0.15); }
.search-btn {
  position: absolute; right: 28px; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--accent); cursor: pointer;
  font-size: 1.2rem; padding: 6px;
}

/* Mobile Menu Toggle */
.t02ldg {
  display: none; background: none; border: none; color: var(--text-light);
  font-size: 1.5rem; cursor: pointer; padding: 4px;
}

/* ============ HERO SECTION ============ */
.hero {
  position: relative; min-height: 520px; display: flex; align-items: center;
  overflow: hidden; padding: 100px 0 60px;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center; background-repeat: no-repeat;
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(26,11,46,0.92) 0%, rgba(26,11,46,0.6) 50%, rgba(26,11,46,0.3) 100%);
}
.hero-content { position: relative; z-index: 2; max-width: 620px; }
.hero-content h1 {
  font-size: 2.6rem; font-weight: 800; line-height: 1.3; margin-bottom: 16px;
  background: var(--gradient-accent); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-content p { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 28px; line-height: 1.8; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 28px; font-size: 0.95rem;
  font-weight: 600; cursor: pointer; border: none; transition: var(--transition);
}
.btn-primary {
  background: var(--gradient-accent); color: #fff;
  box-shadow: 0 4px 16px rgba(255,107,53,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(255,107,53,0.4); color: #fff; }
.btn-outline {
  background: transparent; color: var(--accent);
  border: 2px solid var(--accent);
}
.btn-outline:hover { background: rgba(255,107,53,0.1); color: var(--accent); }

/* ============ SECTIONS ============ */
.section { padding: 70px 0; }
.section-alt { background: rgba(45,27,105,0.15); }
.section-title {
  text-align: center; margin-bottom: 48px;
}
.section-title h2 {
  font-size: 2rem; font-weight: 700; margin-bottom: 12px;
  color: var(--text-light);
}
.section-title h2 span { color: var(--accent); }
.section-title p { color: var(--text-muted); font-size: 1rem; max-width: 600px; margin: 0 auto; }
.cminux {
  width: 60px; height: 3px; background: var(--gradient-accent);
  margin: 16px auto 0; border-radius: 2px;
}

/* ============ VIDEO CARDS ============ */
.video-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.video-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); overflow: hidden;
  transition: var(--transition); cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-hover);
  border-color: var(--accent);
}
.video-thumb {
  position: relative; padding-top: 133%; overflow: hidden;
}
.video-thumb img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.sxmmuqw {
  position: absolute; inset: 0; display: flex; align-items: center;
  justify-content: center; background: rgba(26,11,46,0.5);
  opacity: 0; transition: var(--transition);
}
.video-card:hover .sxmmuqw { opacity: 1; }
.rbappge6 {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--gradient-accent); display: flex;
  align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(255,107,53,0.4);
}
.rbappge6::after {
  content: ''; display: block; width: 0; height: 0;
  border-style: solid; border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 3px;
}
.video-info { padding: 14px 16px; }
.video-info h3 { font-size: 1rem; font-weight: 600; margin-bottom: 6px; color: var(--text-light); }
.video-meta {
  display: flex; gap: 14px; font-size: 0.82rem; color: var(--text-muted);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }
.video-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.video-tag {
  padding: 2px 10px; border-radius: 12px; font-size: 0.75rem;
  background: rgba(123,47,190,0.2); color: var(--purple-light);
  border: 1px solid rgba(123,47,190,0.3);
}

/* Video Card Landscape */
.video-thumb-landscape { padding-top: 56.25%; }

/* ============ SERVICE CARDS ============ */
.service-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 32px 24px;
  text-align: center; transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-hover);
  border-color: var(--accent);
}
.service-icon {
  width: 64px; height: 64px; border-radius: 16px;
  background: var(--gradient-accent); display: flex;
  align-items: center; justify-content: center;
  margin: 0 auto 20px; font-size: 1.8rem;
}
.service-card h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 10px; }
.service-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }

/* ============ EXPERT CARDS ============ */
.expert-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.expert-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 28px 20px;
  text-align: center; transition: var(--transition);
}
.expert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.expert-avatar {
  width: 100px; height: 100px; border-radius: 50%; margin: 0 auto 16px;
  border: 3px solid var(--accent); object-fit: cover;
}
.expert-card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 4px; }
.expert-role { font-size: 0.85rem; color: var(--accent); margin-bottom: 10px; }
.expert-desc { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; }
.expert-actions { display: flex; gap: 10px; justify-content: center; }
.expert-actions .btn { padding: 8px 18px; font-size: 0.82rem; }

/* ============ PARTNER LOGOS ============ */
.saj55l {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 30px; padding: 20px 0;
}
.tibys67 {
  width: 120px; height: 60px; background: rgba(45,27,105,0.3);
  border-radius: 8px; display: flex; align-items: center;
  justify-content: center; font-size: 0.85rem; color: var(--text-muted);
  border: 1px solid rgba(123,47,190,0.2); transition: var(--transition);
}
.tibys67:hover { border-color: var(--accent); color: var(--accent); }

/* ============ FAQ ============ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); margin-bottom: 12px; overflow: hidden;
}
.faq-question {
  padding: 18px 24px; cursor: pointer; display: flex;
  justify-content: space-between; align-items: center;
  font-weight: 600; font-size: 0.98rem; transition: var(--transition);
}
.faq-question:hover { color: var(--accent); }
.faq-arrow { font-size: 1.2rem; transition: transform 0.3s ease; }
.faq-item.active .faq-arrow { transform: rotate(180deg); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.4s ease;
}
.faq-answer-inner {
  padding: 0 24px 18px; font-size: 0.92rem; color: var(--text-muted); line-height: 1.8;
}
.faq-item.active .faq-answer { max-height: 300px; }

/* ============ REVIEWS ============ */
.review-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.review-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 24px;
}
.review-stars { color: var(--accent); margin-bottom: 12px; font-size: 1rem; letter-spacing: 2px; }
.review-text { font-size: 0.92rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 14px; font-style: italic; }
.review-author { font-size: 0.88rem; font-weight: 600; color: var(--text-light); }
.review-date { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }

/* ============ CONTACT SECTION ============ */
.contact-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.contact-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 28px 24px; text-align: center;
}
.contact-card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 12px; color: var(--accent); }
.contact-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }
.contact-card img { max-width: 160px; margin: 12px auto 0; border-radius: 8px; }

/* ============ FOOTER ============ */
.site-footer {
  background: rgba(10,5,20,0.8); border-top: 1px solid rgba(123,47,190,0.2);
  padding: 48px 0 24px;
}
.l0gk8y {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px; margin-bottom: 32px;
}
.j1dpe9 h4 {
  font-size: 1rem; font-weight: 600; margin-bottom: 16px;
  color: var(--accent); position: relative; padding-bottom: 10px;
}
.j1dpe9 h4::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 30px; height: 2px; background: var(--accent);
}
.j1dpe9 p, .j1dpe9 a {
  font-size: 0.88rem; color: var(--text-muted); line-height: 2;
  display: block;
}
.j1dpe9 a:hover { color: var(--accent); padding-left: 4px; }
.eza4a62 { display: flex; gap: 20px; margin-top: 12px; }
.eza4a62 img { width: 100px; border-radius: 8px; }
.nhj30o {
  text-align: center; padding-top: 24px;
  border-top: 1px solid rgba(123,47,190,0.15);
  font-size: 0.82rem; color: var(--text-muted);
}
.nhj30o a { color: var(--accent); }

/* Social Share */
.pj4hx1d { display: flex; gap: 12px; justify-content: center; margin: 20px 0; }
.mr6p6u {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; color: #fff; transition: var(--transition);
  cursor: pointer; border: none;
}
.mr6p6u:hover { transform: translateY(-3px); }
.jgta3 { background: #07C160; }
.zckrf72y { background: #E6162D; }
.bk0p62oh { background: #161823; border: 1px solid #FE2C55; }
.lrm5193s { background: #00A1D6; }

/* ============ BREADCRUMB ============ */
.breadcrumb {
  padding: 14px 0; font-size: 0.85rem; color: var(--text-muted);
  margin-top: 68px;
}
.breadcrumb a { color: var(--accent); }
.breadcrumb span { margin: 0 8px; }

/* ============ INNER PAGE ============ */
.page-hero {
  padding: 120px 0 50px; text-align: center;
  background: var(--gradient-main);
}
.page-hero h1 { font-size: 2.2rem; font-weight: 700; margin-bottom: 12px; }
.page-hero p { color: var(--text-muted); font-size: 1rem; }
.page-content { padding: 50px 0; }
.page-content h2 { font-size: 1.6rem; font-weight: 700; margin: 32px 0 16px; color: var(--text-light); }
.page-content h3 { font-size: 1.3rem; font-weight: 600; margin: 24px 0 12px; color: var(--accent); }
.page-content p { margin-bottom: 16px; color: var(--text-muted); line-height: 1.8; }

/* How-To Guide */
.akvut { counter-reset: step; }
.o8hkd {
  display: flex; gap: 20px; margin-bottom: 24px;
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 24px;
}
.o8hkd::before {
  counter-increment: step; content: counter(step);
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 50%;
  background: var(--gradient-accent); display: flex;
  align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.1rem; color: #fff;
}
.ym956s h4 { font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
.ym956s p { font-size: 0.9rem; color: var(--text-muted); margin: 0; }

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  .header-inner { height: 58px; }
  .logo-img { height: 36px; }
  .logo-text { font-size: 1.1rem; }
  .main-nav { display: none; position: fixed; top: 58px; left: 0; right: 0;
    background: rgba(26,11,46,0.98); flex-direction: column;
    padding: 20px; gap: 4px; border-bottom: 1px solid rgba(123,47,190,0.2);
  }
  .main-nav.active { display: flex; }
  .main-nav a { padding: 12px 16px; font-size: 1rem; }
  .t02ldg { display: block; }
  .search-bar { margin-top: 58px; }
  .hero { min-height: 400px; padding: 80px 0 40px; }
  .hero-content h1 { font-size: 1.8rem; }
  .section { padding: 48px 0; }
  .section-title h2 { font-size: 1.5rem; }
  .video-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .service-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: 1fr; }
  .l0gk8y { grid-template-columns: 1fr 1fr; }
  .page-hero { padding: 90px 0 36px; }
  .page-hero h1 { font-size: 1.6rem; }
}

@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .expert-grid { grid-template-columns: 1fr; }
  .l0gk8y { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .hero-btns .btn { width: 100%; justify-content: center; }
}

/* ============ ANIMATIONS ============ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp 0.6s ease forwards; }

/* Lazy Load Placeholder */
.wqmxc {
  background: rgba(45,27,105,0.3);
  transition: opacity 0.4s ease;
}


/* ============ VIDEO MODAL PLAYER ============ */
.tbcuf8bh {
  position: fixed; inset: 0; z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: all 0.3s ease;
}
.tbcuf8bh.active { opacity: 1; visibility: visible; }
.ase5t1v {
  position: absolute; inset: 0; background: rgba(0,0,0,0.85);
}
.kfmybm {
  position: relative; z-index: 1; width: 90%; max-width: 800px;
  background: var(--primary-light); border-radius: var(--radius-lg);
  overflow: hidden; transform: scale(0.9); transition: transform 0.3s ease;
}
.tbcuf8bh.active .kfmybm { transform: scale(1); }
.ks24lubb {
  position: absolute; top: 12px; right: 16px; z-index: 10;
  background: rgba(0,0,0,0.5); border: none; color: #fff;
  width: 36px; height: 36px; border-radius: 50%;
  font-size: 1.4rem; cursor: pointer; display: flex;
  align-items: center; justify-content: center;
  transition: var(--transition);
}
.ks24lubb:hover { background: var(--accent); }
.gzicg { position: relative; width: 100%; }
.oduvu9by {
  position: relative; width: 100%; aspect-ratio: 16/9;
  background: #000; overflow: hidden;
}
.oduvu9by img {
  width: 100%; height: 100%; object-fit: cover; opacity: 0.6;
}
.irplm {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
  padding: 20px 16px 12px; display: flex; align-items: center; gap: 12px;
}
.mj4p7u5 {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent); display: flex;
  align-items: center; justify-content: center;
  cursor: pointer; flex-shrink: 0;
}
.mj4p7u5::after {
  content: ''; width: 0; height: 0;
  border-style: solid; border-width: 7px 0 7px 12px;
  border-color: transparent transparent transparent #fff;
  margin-left: 2px;
}
.wwdhd {
  flex: 1; height: 4px; background: rgba(255,255,255,0.2);
  border-radius: 2px; overflow: hidden; cursor: pointer;
}
.ikeap {
  height: 100%; background: var(--accent);
  border-radius: 2px; width: 0%; transition: width 0.2s linear;
}
.ppoul6f { font-size: 0.75rem; color: rgba(255,255,255,0.7); white-space: nowrap; }
.nuobtmp, .j0im3c {
  font-size: 1rem; cursor: pointer; color: rgba(255,255,255,0.7);
}
.xnw1ncr {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  color: rgba(255,255,255,0.8); font-size: 1rem; text-align: center;
}
.skny12e9 {
  padding: 16px 20px; font-size: 1.1rem; font-weight: 600;
  color: var(--text-light); border-top: 1px solid rgba(123,47,190,0.2);
}

/* ============ VIDEO DURATION TAG ============ */
.video-duration {
  position: absolute; bottom: 8px; right: 8px;
  background: rgba(0,0,0,0.75); color: #fff;
  padding: 2px 8px; border-radius: 4px;
  font-size: 0.75rem; font-weight: 500;
  z-index: 2;
}

/* ============ EXPERT CREDENTIALS ============ */
.expert-credentials {
  display: flex; gap: 6px; justify-content: center;
  flex-wrap: wrap; margin-bottom: 14px;
}
.cvqe29kd {
  padding: 3px 10px; border-radius: 12px; font-size: 0.72rem;
  background: rgba(255,107,53,0.15); color: var(--accent);
  border: 1px solid rgba(255,107,53,0.3);
}

/* ============ CASE STUDIES ============ */
.case-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.case-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 28px 24px;
  transition: var(--transition); position: relative;
}
.case-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-hover);
  border-color: var(--accent);
}
.sjxkma {
  font-size: 2.5rem; font-weight: 800; color: rgba(255,107,53,0.2);
  position: absolute; top: 12px; right: 20px;
}
.case-card h3 {
  font-size: 1.1rem; font-weight: 600; margin-bottom: 10px;
  color: var(--text-light);
}
.case-card p {
  font-size: 0.9rem; color: var(--text-muted); line-height: 1.7;
  margin-bottom: 14px;
}
.oj8ljq7 {
  display: flex; gap: 16px;
}
.oj8ljq7 span {
  padding: 4px 12px; border-radius: 12px; font-size: 0.78rem;
  background: rgba(123,47,190,0.2); color: var(--purple-light);
}

/* ============ RESPONSIVE ADDITIONS ============ */
@media (max-width: 768px) {
  .kfmybm { width: 95%; }
  .case-grid { grid-template-columns: 1fr; }
  .breadcrumb { margin-top: 58px; }
  .page-hero { padding: 80px 0 36px; }
}