/* 91系列 - 竖屏微短剧发行与出海平台 全局样式 */
:root {
  --color-primary: #FF3D00;
  --color-accent: #FFC400;
  --color-bg: #121212;
  --color-card: #1E1E1E;
  --color-text: #F5F5F5;
  --color-muted: #AAAAAA;
  --color-border: #333333;
  --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.5);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
}

a { color: var(--color-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--color-accent); }

img { max-width: 100%; height: auto; display: block; border-radius: var(--radius); }

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

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(18,18,18,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
}
.site-logo {
  font-size: 1.4rem; font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 1px;
}
.site-logo span { color: var(--color-accent); }

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

.main-nav ul { display: flex; list-style: none; gap: 24px; }
.main-nav a { color: var(--color-text); font-size: .9rem; font-weight: 500; padding: 6px 0; position: relative; }
.main-nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--color-primary); transition: width .3s; }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }

/* Hero */
.hero {
  position: relative; overflow: hidden;
  padding: 80px 0 60px;
  background: linear-gradient(135deg, #121212 0%, #1a0a00 50%, #121212 100%);
}
.hero::before {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,61,0,0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-content { position: relative; z-index: 2; text-align: center; }
.hero h1 { font-size: 2.4rem; font-weight: 800; margin-bottom: 16px; }
.hero h1 .highlight { color: var(--color-primary); }
.hero h1 .gold { color: var(--color-accent); }
.hero p { font-size: 1.1rem; color: var(--color-muted); max-width: 700px; margin: 0 auto 30px; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-block; padding: 12px 28px;
  border-radius: 30px; font-weight: 600; font-size: .95rem;
  transition: all .3s; cursor: pointer; border: none;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: #e63600; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,61,0,0.4); color: #fff; }
.btn-outline { border: 2px solid var(--color-primary); color: var(--color-primary); background: transparent; }
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-gold { background: var(--color-accent); color: #121212; }
.btn-gold:hover { background: #e6b000; transform: translateY(-2px); }

/* Section */
.section { padding: 60px 0; }
.section-title {
  font-size: 1.8rem; font-weight: 700; text-align: center; margin-bottom: 12px;
}
.section-title .accent { color: var(--color-primary); }
.section-subtitle { text-align: center; color: var(--color-muted); margin-bottom: 40px; font-size: 1rem; }

/* Cards Grid */
.card-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  background: var(--color-card); border-radius: var(--radius);
  overflow: hidden; transition: transform .3s, box-shadow .3s;
  border: 1px solid var(--color-border);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 0; }
.card-body { padding: 16px; }
.card-title { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; }
.card-desc { font-size: .85rem; color: var(--color-muted); line-height: 1.5; }
.card-tag {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  font-size: .75rem; font-weight: 600; margin-top: 10px;
}
.tag-hot { background: rgba(255,61,0,0.2); color: var(--color-primary); }
.tag-global { background: rgba(255,196,0,0.2); color: var(--color-accent); }
.tag-new { background: rgba(0,200,150,0.2); color: #00c896; }

/* Stats */
.stats-row { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; padding: 30px 0; }
.stat-item { text-align: center; }
.stat-num { font-size: 2rem; font-weight: 800; color: var(--color-accent); }
.stat-label { font-size: .85rem; color: var(--color-muted); margin-top: 4px; }

/* Feature List */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 30px; }
.feature-item { text-align: center; padding: 30px 20px; background: var(--color-card); border-radius: var(--radius); border: 1px solid var(--color-border); }
.feature-icon { font-size: 2.5rem; margin-bottom: 16px; }
.feature-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
.feature-desc { font-size: .85rem; color: var(--color-muted); }

/* Detail Page */
.detail-hero { padding: 40px 0; }
.detail-hero h1 { font-size: 2rem; margin-bottom: 12px; }
.detail-meta { display: flex; gap: 20px; flex-wrap: wrap; color: var(--color-muted); font-size: .85rem; margin-bottom: 20px; }
.detail-content { padding: 30px 0; }
.detail-content h2 { font-size: 1.4rem; color: var(--color-primary); margin: 24px 0 12px; }
.detail-content p { margin-bottom: 16px; color: var(--color-text); }
.detail-sidebar { background: var(--color-card); border-radius: var(--radius); padding: 24px; border: 1px solid var(--color-border); }

/* Layout Two Column */
.two-col { display: grid; grid-template-columns: 2fr 1fr; gap: 30px; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-border); padding: 20px 0; }
.faq-q { font-weight: 600; font-size: 1rem; margin-bottom: 8px; color: var(--color-text); cursor: pointer; }
.faq-a { font-size: .9rem; color: var(--color-muted); line-height: 1.6; }

/* Footer */
.site-footer {
  background: #0a0a0a; border-top: 1px solid var(--color-border);
  padding: 40px 0 20px;
}
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 30px; margin-bottom: 30px; }
.footer-col h4 { font-size: .95rem; margin-bottom: 12px; color: var(--color-text); }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: var(--color-muted); font-size: .85rem; }
.footer-col a:hover { color: var(--color-primary); }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid var(--color-border); color: var(--color-muted); font-size: .8rem; }

/* Search Page */
.search-box { max-width: 600px; margin: 0 auto 40px; display: flex; gap: 10px; }
.search-box input {
  flex: 1; padding: 14px 20px; border-radius: 30px;
  border: 2px solid var(--color-border); background: var(--color-card);
  color: var(--color-text); font-size: 1rem; outline: none;
}
.search-box input:focus { border-color: var(--color-primary); }
.search-results { max-width: 800px; margin: 0 auto; }
.search-item { padding: 16px 0; border-bottom: 1px solid var(--color-border); }
.search-item h3 { font-size: 1rem; margin-bottom: 4px; }
.search-item p { font-size: .85rem; color: var(--color-muted); }

/* 404 Page */
.error-page { text-align: center; padding: 100px 20px; }
.error-page h1 { font-size: 6rem; color: var(--color-primary); font-weight: 900; }
.error-page p { font-size: 1.2rem; color: var(--color-muted); margin: 20px 0 30px; }

/* Breadcrumb */
.breadcrumb { padding: 16px 0; font-size: .85rem; color: var(--color-muted); }
.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb span { margin: 0 8px; }

/* Table */
.data-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.data-table th, .data-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--color-border); }
.data-table th { color: var(--color-accent); font-size: .85rem; text-transform: uppercase; }
.data-table td { font-size: .9rem; }

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .main-nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--color-bg); border-bottom: 1px solid var(--color-border); display: none; }
  .main-nav.active { display: block; }
  .main-nav ul { flex-direction: column; padding: 20px; gap: 12px; }
  .hero h1 { font-size: 1.6rem; }
  .two-col { grid-template-columns: 1fr; }
  .stats-row { gap: 20px; }
  .card-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
}

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp .6s ease forwards; opacity: 0; }

/* Calculator */
.calculator-box { background: var(--color-card); border-radius: var(--radius); padding: 30px; border: 1px solid var(--color-border); max-width: 500px; margin: 0 auto; }
.calc-input { width: 100%; padding: 12px; margin: 8px 0 16px; border-radius: 8px; border: 1px solid var(--color-border); background: var(--color-bg); color: var(--color-text); font-size: 1rem; }
.calc-result { font-size: 1.4rem; color: var(--color-accent); font-weight: 700; text-align: center; margin-top: 16px; }