/* ============================================
   四虎视频 全站样式表
   赛博朋克风格 · 影视传媒主题
   gskuun.cn
   ============================================ */

/* CSS Variables */
:root {
  --primary: #FF2D78;
  --primary-light: #FF6B9D;
  --secondary: #7B2FFF;
  --accent: #00D4FF;
  --gold: #FFD700;
  --bg-dark: #0A0A1A;
  --bg-card: #12122A;
  --bg-card-hover: #1A1A3A;
  --text-white: #FFFFFF;
  --text-light: #E0E0E0;
  --text-muted: #A0A0B0;
  --border-glow: rgba(255,45,120,0.3);
  --shadow-neon: 0 0 20px rgba(255,45,120,0.2);
  --shadow-purple: 0 0 20px rgba(123,47,255,0.2);
  --gradient-primary: linear-gradient(135deg, #FF2D78, #7B2FFF);
  --gradient-accent: linear-gradient(135deg, #7B2FFF, #00D4FF);
  --gradient-warm: linear-gradient(135deg, #FF2D78, #FF6B9D);
  --max-width: 1280px;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* ============ Header / Navigation ============ */
.g9l9r {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,10,26,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,45,120,0.15);
  transition: var(--transition);
}
.l3m6j {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--max-width); margin: 0 auto; padding: 0 20px; height: 68px;
}
.didohmak { display: flex; align-items: center; gap: 10px; }
.t9gptqw6 { height: 42px; width: auto; }
.xqu5yipp {
  font-size: 1.4rem; font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.fiuit { display: flex; align-items: center; gap: 6px; }
.fiuit a {
  color: var(--text-light); padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 0.95rem; font-weight: 500; transition: var(--transition);
  position: relative;
}
.fiuit a:hover, .fiuit a.active {
  color: var(--primary); background: rgba(255,45,120,0.08);
}
.fiuit a.active::after {
  content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
  width: 20px; height: 2px; background: var(--primary); border-radius: 1px;
}
.mhrqvu6 { display: none; background: none; border: none; color: var(--text-white); font-size: 1.5rem; cursor: pointer; }

/* Search Bar under nav */
.x5kwn {
  background: rgba(18,18,42,0.85);
  border-bottom: 1px solid rgba(123,47,255,0.12);
  padding: 10px 0;
  margin-top: 68px;
}
.sctmf2 {
  max-width: 640px; margin: 0 auto; position: relative;
  display: flex; align-items: center;
}
.sctmf2 input {
  width: 100%; padding: 10px 48px 10px 18px;
  background: var(--bg-card); border: 1px solid rgba(255,45,120,0.2);
  border-radius: 24px; color: var(--text-white); font-size: 0.95rem;
  outline: none; transition: var(--transition);
}
.sctmf2 input:focus { border-color: var(--primary); box-shadow: var(--shadow-neon); }
.sctmf2 input::placeholder { color: var(--text-muted); }
.sctmf2 button {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  background: var(--gradient-primary); border: none; color: #fff;
  width: 36px; height: 36px; border-radius: 50%; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; transition: var(--transition);
}
.sctmf2 button:hover { opacity: 0.85; }

/* ============ Hero Section ============ */
.hero {
  position: relative; min-height: 520px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(180deg, rgba(10,10,26,0.7), rgba(10,10,26,0.95)),
              url('../images/banners/hero-banner.png') center/cover no-repeat;
  text-align: center; padding: 80px 20px 60px;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(255,45,120,0.12) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(123,47,255,0.1) 0%, transparent 60%);
}
.xo5yxi0f { position: relative; z-index: 2; max-width: 800px; }
.hero h1 {
  font-size: 2.8rem; font-weight: 800; margin-bottom: 16px;
  background: var(--gradient-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1.3;
}
.hero h1 span { display: block; font-size: 1.1rem; font-weight: 400; color: var(--text-muted); -webkit-text-fill-color: var(--text-muted); margin-top: 8px; }
.hero p { font-size: 1.1rem; color: var(--text-light); margin-bottom: 28px; max-width: 600px; margin-left: auto; margin-right: auto; }
.j543g { display: flex; justify-content: center; gap: 40px; margin-top: 32px; flex-wrap: wrap; }
.odhtfgb { text-align: center; }
.odhtfgb .num { font-size: 2rem; font-weight: 700; color: var(--primary); }
.odhtfgb .label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 24px; font-size: 0.95rem; font-weight: 600;
  transition: var(--transition); cursor: pointer; border: none;
}
.btn-primary { background: var(--gradient-primary); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,45,120,0.35); color: #fff; }
.btn-outline {
  background: transparent; color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-outline:hover { background: rgba(255,45,120,0.1); color: var(--primary); }
.btn-accent { background: var(--gradient-accent); color: #fff; }
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,212,255,0.3); color: #fff; }
.x7jhoj0 { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============ Section Common ============ */
.section { padding: 70px 0; }
.lsxjo6ux { background: var(--bg-card); }
.k5apkxb { text-align: center; margin-bottom: 48px; }
.k5apkxb h2 {
  font-size: 2rem; font-weight: 700; margin-bottom: 12px;
  color: var(--text-white);
}
.k5apkxb h2 .oo55dh2 { color: var(--primary); }
.k5apkxb p { color: var(--text-muted); font-size: 1rem; max-width: 600px; margin: 0 auto; }
.jplct3 {
  display: inline-block; padding: 4px 14px; border-radius: 12px;
  background: rgba(255,45,120,0.1); color: var(--primary);
  font-size: 0.8rem; font-weight: 600; margin-bottom: 12px;
  letter-spacing: 1px; text-transform: uppercase;
}

/* ============ Video Cards ============ */
.e6n3llk6 {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.vzx7tol {
  background: var(--bg-card); border-radius: var(--radius);
  overflow: hidden; transition: var(--transition);
  border: 1px solid rgba(255,45,120,0.08);
}
.vzx7tol:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-neon);
  border-color: rgba(255,45,120,0.25);
}
.tg8fh {
  position: relative; aspect-ratio: 16/9; overflow: hidden;
  background: #111;
}
.tg8fh img,
.tg8fh video {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s ease;
}
.vzx7tol:hover .tg8fh img,
.vzx7tol:hover .tg8fh video { transform: scale(1.05); }
.gipmbf {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%) scale(0.8);
  width: 60px; height: 60px; border-radius: 50%;
  background: rgba(255,45,120,0.85); display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: var(--transition);
  box-shadow: 0 0 30px rgba(255,45,120,0.5);
}
.gipmbf::after {
  content: ''; width: 0; height: 0;
  border-style: solid; border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 3px;
}
.vzx7tol:hover .gipmbf { opacity: 1; transform: translate(-50%,-50%) scale(1); }
.bjx4h03 {
  position: absolute; bottom: 8px; right: 8px;
  background: rgba(0,0,0,0.8); color: #fff; padding: 2px 8px;
  border-radius: 4px; font-size: 0.75rem; font-weight: 600;
}
.bvt1qkb { padding: 16px; }
.bvt1qkb h3 {
  font-size: 1rem; font-weight: 600; color: var(--text-white);
  margin-bottom: 8px; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.r417ek9 {
  display: flex; align-items: center; gap: 14px;
  font-size: 0.8rem; color: var(--text-muted);
}
.r417ek9 span { display: flex; align-items: center; gap: 4px; }
.x71iacg { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.x71iacg .tag {
  padding: 2px 10px; border-radius: 10px; font-size: 0.72rem;
  background: rgba(123,47,255,0.12); color: var(--secondary);
}

/* ============ Service Grid ============ */
.no6i3bt {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.y2q1k {
  background: var(--bg-card); border-radius: var(--radius);
  padding: 32px 24px; text-align: center;
  border: 1px solid rgba(123,47,255,0.1);
  transition: var(--transition);
}
.y2q1k:hover {
  transform: translateY(-4px);
  border-color: rgba(123,47,255,0.3);
  box-shadow: var(--shadow-purple);
}
.whsl2 {
  width: 64px; height: 64px; border-radius: 16px;
  background: var(--gradient-accent); display: flex;
  align-items: center; justify-content: center;
  margin: 0 auto 18px; font-size: 1.8rem;
}
.y2q1k h3 { font-size: 1.1rem; font-weight: 600; color: var(--text-white); margin-bottom: 10px; }
.y2q1k p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }

/* ============ Expert Cards ============ */
.jmty4 {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.eqt8mjo {
  background: var(--bg-card); border-radius: var(--radius);
  padding: 28px; text-align: center;
  border: 1px solid rgba(255,45,120,0.08);
  transition: var(--transition);
}
.eqt8mjo:hover { border-color: rgba(255,45,120,0.2); box-shadow: var(--shadow-neon); }
.zrn4e {
  width: 100px; height: 100px; border-radius: 50%;
  object-fit: cover; margin: 0 auto 16px;
  border: 3px solid rgba(255,45,120,0.3);
}
.eqt8mjo h3 { font-size: 1.1rem; font-weight: 600; color: var(--text-white); margin-bottom: 4px; }
.eqt8mjo .role { color: var(--primary); font-size: 0.85rem; margin-bottom: 10px; }
.eqt8mjo .bio { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 14px; line-height: 1.5; }
.eqt8mjo .awards { font-size: 0.78rem; color: var(--gold); margin-bottom: 14px; }
.dvc0b { display: flex; gap: 8px; justify-content: center; }
.dvc0b a {
  padding: 6px 16px; border-radius: 16px; font-size: 0.8rem; font-weight: 500;
}

/* ============ Partners ============ */
.jh7vwj0 {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 30px; align-items: center;
}
.e6q47 {
  background: var(--bg-card); border-radius: var(--radius-sm);
  padding: 18px 28px; border: 1px solid rgba(255,255,255,0.06);
  font-size: 1rem; font-weight: 600; color: var(--text-muted);
  transition: var(--transition);
}
.e6q47:hover { border-color: var(--primary); color: var(--primary); }

/* ============ Reviews ============ */
.coyj4 {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.n1wxo4ju {
  background: var(--bg-card); border-radius: var(--radius);
  padding: 24px; border: 1px solid rgba(255,45,120,0.06);
}
.syp2w { color: var(--gold); font-size: 0.9rem; margin-bottom: 10px; }
.tp2t3 { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; margin-bottom: 14px; font-style: italic; }
.vr7e6m { display: flex; align-items: center; gap: 10px; }
.of5zd {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--gradient-primary); display: flex;
  align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 0.9rem;
}
.a98kslk .name { font-size: 0.88rem; font-weight: 600; color: var(--text-white); }
.a98kslk .date { font-size: 0.75rem; color: var(--text-muted); }

/* ============ FAQ ============ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card); border-radius: var(--radius-sm);
  margin-bottom: 12px; border: 1px solid rgba(123,47,255,0.1);
  overflow: hidden;
}
.faq-question {
  padding: 18px 24px; cursor: pointer; display: flex;
  justify-content: space-between; align-items: center;
  font-weight: 600; color: var(--text-white); font-size: 0.95rem;
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-question .arrow { transition: transform 0.3s ease; font-size: 0.8rem; color: var(--primary); }
.faq-item.active .faq-question .arrow { transform: rotate(180deg); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
  padding: 0 24px;
}
.faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 18px; }
.faq-answer p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }

/* ============ Contact Section ============ */
.jtp0n {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.pnf5v9 {
  background: var(--bg-card); border-radius: var(--radius);
  padding: 28px; text-align: center;
  border: 1px solid rgba(0,212,255,0.1);
}
.pnf5v9 h4 { font-size: 1rem; font-weight: 600; color: var(--text-white); margin-bottom: 12px; }
.pnf5v9 p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }
.pnf5v9 .vhrxok { width: 160px; height: 160px; margin: 12px auto; border-radius: var(--radius-sm); }

/* ============ How-To Guide ============ */
.h1x0ese {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px; counter-reset: step;
}
.psqg0 {
  background: var(--bg-card); border-radius: var(--radius);
  padding: 24px; position: relative;
  border: 1px solid rgba(0,212,255,0.1);
  counter-increment: step;
}
.psqg0::before {
  content: counter(step);
  position: absolute; top: -12px; left: 20px;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--gradient-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.9rem;
}
.psqg0 h4 { font-size: 1rem; font-weight: 600; color: var(--text-white); margin-bottom: 8px; margin-top: 8px; }
.psqg0 p { font-size: 0.85rem; color: var(--text-muted); }

/* ============ Footer ============ */
.syxvqc {
  background: #060612; border-top: 1px solid rgba(255,45,120,0.1);
  padding: 48px 0 24px;
}
.ixczyzk {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 32px; margin-bottom: 32px;
}
.mi928h h4 {
  font-size: 1rem; font-weight: 600; color: var(--text-white);
  margin-bottom: 16px; position: relative; padding-bottom: 8px;
}
.mi928h h4::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 30px; height: 2px; background: var(--primary);
}
.mi928h p, .mi928h a { font-size: 0.85rem; color: var(--text-muted); }
.mi928h a { display: block; margin-bottom: 8px; }
.mi928h a:hover { color: var(--primary); }
.mi928h .ucg93r6 { height: 36px; margin-bottom: 12px; }
.r0d6oacn { width: 120px; height: 120px; border-radius: var(--radius-sm); margin-top: 8px; }
.rmnnu {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 20px; text-align: center;
  font-size: 0.82rem; color: var(--text-muted);
}
.rmnnu a { color: var(--primary); }

/* Social Share */
.rz70uc { display: flex; gap: 12px; justify-content: center; margin-top: 20px; flex-wrap: wrap; }
.ehlqik {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 18px; border-radius: 20px; font-size: 0.82rem;
  background: var(--bg-card); color: var(--text-light);
  border: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition); cursor: pointer;
}
.ehlqik:hover { border-color: var(--primary); color: var(--primary); }

/* ============ Breadcrumb ============ */
.pb8rcjb {
  padding: 14px 0; font-size: 0.82rem; color: var(--text-muted);
  margin-top: 68px;
}
.pb8rcjb a { color: var(--text-muted); }
.pb8rcjb a:hover { color: var(--primary); }
.pb8rcjb span { margin: 0 6px; }

/* ============ Inner Page Hero ============ */
.oekczwv {
  padding: 100px 20px 50px;
  text-align: center;
  background: linear-gradient(180deg, rgba(123,47,255,0.08), transparent);
}
.oekczwv h1 { font-size: 2.2rem; font-weight: 700; color: var(--text-white); margin-bottom: 12px; }
.oekczwv p { color: var(--text-muted); font-size: 1rem; max-width: 600px; margin: 0 auto; }

/* ============ Responsive ============ */
@media (max-width: 768px) {
  .hero h1 { font-size: 1.8rem; }
  .hero { min-height: 400px; padding: 60px 16px 40px; }
  .section { padding: 48px 0; }
  .k5apkxb h2 { font-size: 1.5rem; }
  .e6n3llk6 { grid-template-columns: 1fr; }
  .no6i3bt { grid-template-columns: 1fr 1fr; }
  .jmty4 { grid-template-columns: 1fr; }
  .l3m6j { height: 56px; }
  .t9gptqw6 { height: 32px; }
  .xqu5yipp { font-size: 1.1rem; }
  .fiuit {
    display: none; position: fixed; top: 56px; left: 0; right: 0;
    background: rgba(10,10,26,0.98); flex-direction: column;
    padding: 16px; gap: 4px;
    border-bottom: 1px solid rgba(255,45,120,0.15);
  }
  .fiuit.active { display: flex; }
  .mhrqvu6 { display: block; }
  .x5kwn { margin-top: 56px; }
  .j543g { gap: 20px; }
  .odhtfgb .num { font-size: 1.5rem; }
  .ixczyzk { grid-template-columns: 1fr 1fr; }
  .jtp0n { grid-template-columns: 1fr; }
  .h1x0ese { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .no6i3bt { grid-template-columns: 1fr; }
  .ixczyzk { grid-template-columns: 1fr; }
  .x7jhoj0 { flex-direction: column; align-items: 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 */
.lazy { opacity: 0; transition: opacity 0.4s ease; }
.lazy.loaded { opacity: 1; }

/* Community features icons */
.yf8zx6 {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}
.ju3j94ct {
  background: var(--bg-card); border-radius: var(--radius-sm);
  padding: 20px 16px; text-align: center;
  border: 1px solid rgba(0,212,255,0.08);
  transition: var(--transition);
}
.ju3j94ct:hover { border-color: var(--accent); }
.ju3j94ct .icon { font-size: 2rem; margin-bottom: 8px; }
.ju3j94ct h4 { font-size: 0.9rem; color: var(--text-white); margin-bottom: 4px; }
.ju3j94ct p { font-size: 0.78rem; color: var(--text-muted); }

/* AI Section */
.z76nd {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.qnvvt {
  background: linear-gradient(135deg, rgba(123,47,255,0.08), rgba(0,212,255,0.05));
  border-radius: var(--radius); padding: 28px;
  border: 1px solid rgba(0,212,255,0.12);
  transition: var(--transition);
}
.qnvvt:hover { border-color: rgba(0,212,255,0.3); box-shadow: 0 0 20px rgba(0,212,255,0.15); }
.qnvvt h3 { font-size: 1.05rem; font-weight: 600; color: var(--accent); margin-bottom: 10px; }
.qnvvt p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }