/* ===== 黄豆短剧 style.css ===== */
/* 基础重置与变量 */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --brand:#d4a017;
  --brand-dark:#b8860b;
  --brand-light:#f5e6b8;
  --brand-glow:rgba(212,160,23,0.35);
  --bg:#fefcf7;
  --surface:#ffffff;
  --surface-glass:rgba(255,255,255,0.72);
  --text:#1e2b3c;
  --text-secondary:#4a5a6e;
  --border:#e8e0d0;
  --border-glass:rgba(255,255,255,0.45);
  --shadow:0 4px 24px rgba(30,43,60,0.08);
  --shadow-lg:0 12px 40px rgba(30,43,60,0.14);
  --radius:14px;
  --radius-sm:9px;
  --font:system-ui,-apple-system,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
  --transition:0.3s cubic-bezier(0.25,0.46,0.45,0.94);
}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  transition:background var(--transition),color var(--transition);
  overflow-x:hidden;
}
body.dark{
  --bg:#12181f;
  --surface:#1c242e;
  --surface-glass:rgba(28,36,46,0.72);
  --text:#e8e4dc;
  --text-secondary:#a0aab5;
  --border:#2a3542;
  --border-glass:rgba(255,255,255,0.08);
  --shadow:0 4px 24px rgba(0,0,0,0.3);
  --shadow-lg:0 12px 40px rgba(0,0,0,0.45);
  --brand-light:#3d3520;
  --brand-glow:rgba(212,160,23,0.25);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-dark);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--brand)}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

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

/* 头部导航 - 毛玻璃 */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:var(--surface-glass);
  backdrop-filter:blur(16px) saturate(180%);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  border-bottom:1px solid var(--border-glass);
  transition:background var(--transition),border-color var(--transition);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;gap:16px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-weight:700;font-size:1.25rem;color:var(--text);
  white-space:nowrap;
}
.logo svg{width:32px;height:32px;flex-shrink:0;transition:transform var(--transition)}
.logo:hover svg{transform:rotate(-8deg) scale(1.06)}
.logo span{color:var(--brand-dark)}
.nav-links{
  display:flex;align-items:center;gap:4px;
}
.nav-links a{
  padding:8px 12px;border-radius:var(--radius-sm);
  font-size:0.9rem;color:var(--text-secondary);
  font-weight:500;transition:all var(--transition);
  white-space:nowrap;position:relative;
}
.nav-links a:hover{color:var(--text);background:var(--brand-light);transform:translateY(-1px)}
.nav-actions{display:flex;align-items:center;gap:8px}
.search-box{
  display:flex;align-items:center;
  background:var(--surface);border:1px solid var(--border);
  border-radius:20px;padding:4px 12px;
  transition:all var(--transition);
}
.search-box:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 4px var(--brand-glow);
  transform:translateY(-1px);
}
.search-box input{
  border:none;outline:none;background:transparent;
  padding:6px 0;font-size:0.85rem;color:var(--text);
  width:120px;
}
.search-box input::placeholder{color:var(--text-secondary);opacity:0.6}
.search-box button{padding:4px;color:var(--text-secondary);transition:color var(--transition)}
.search-box button:hover{color:var(--brand-dark)}
.theme-toggle{
  width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--border);
  transition:all var(--transition);
}
.theme-toggle:hover{border-color:var(--brand);transform:scale(1.08) rotate(15deg)}
.mobile-menu-btn{
  display:none;width:36px;height:36px;
  align-items:center;justify-content:center;
  border-radius:var(--radius-sm);
  transition:background var(--transition);
}
.mobile-menu-btn:hover{background:var(--brand-light)}
.mobile-nav{
  display:none;position:fixed;top:64px;left:0;right:0;bottom:0;
  background:var(--surface-glass);
  backdrop-filter:blur(20px) saturate(180%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  z-index:999;
  padding:20px;flex-direction:column;gap:4px;
  overflow-y:auto;
}
.mobile-nav.active{display:flex;animation:fadeSlideIn 0.3s ease}
@keyframes fadeSlideIn{
  from{opacity:0;transform:translateY(-10px)}
  to{opacity:1;transform:translateY(0)}
}
.mobile-nav a{
  padding:14px 16px;border-radius:var(--radius-sm);
  font-size:1rem;color:var(--text);font-weight:500;
  transition:background var(--transition),transform var(--transition);
}
.mobile-nav a:hover{background:var(--brand-light);transform:translateX(4px)}

/* 面包屑 */
.breadcrumb{
  padding:16px 0;font-size:0.85rem;color:var(--text-secondary);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb li+li::before{content:"/";margin-right:6px;color:var(--border)}
.breadcrumb a{color:var(--text-secondary)}
.breadcrumb a:hover{color:var(--brand-dark)}

/* Banner 渐变轮播 */
.hero{
  position:relative;border-radius:var(--radius);overflow:hidden;
  margin-bottom:48px;
  background:linear-gradient(135deg,#1e2b3c 0%,#2a3f5a 50%,#3d3520 100%);
  min-height:380px;display:flex;align-items:center;
  box-shadow:var(--shadow-lg);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 80% 20%,rgba(212,160,23,0.28),transparent 55%),
             radial-gradient(circle at 15% 85%,rgba(212,160,23,0.18),transparent 50%);
  pointer-events:none;z-index:1;
}
.hero-slide{
  position:absolute;inset:0;opacity:0;
  transition:opacity 0.8s ease;
  display:flex;align-items:center;
  z-index:2;
}
.hero-slide.active{opacity:1;position:relative}
.hero-content{
  padding:60px 48px;max-width:640px;position:relative;z-index:2;
  animation:heroFadeUp 0.8s ease both;
}
@keyframes heroFadeUp{
  from{opacity:0;transform:translateY(20px)}
  to{opacity:1;transform:translateY(0)}
}
.hero-badge{
  display:inline-block;padding:5px 16px;border-radius:20px;
  background:rgba(212,160,23,0.25);
  border:1px solid rgba(212,160,23,0.4);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  color:#f5e6b8;
  font-size:0.8rem;font-weight:600;letter-spacing:0.5px;
  margin-bottom:16px;
}
.hero h1{
  font-size:2.2rem;line-height:1.3;color:#fff;
  margin-bottom:16px;font-weight:800;
  text-shadow:0 2px 20px rgba(0,0,0,0.3);
}
.hero h1 span{
  color:var(--brand);
  background:linear-gradient(120deg,var(--brand),#f5e6b8);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero p{
  color:rgba(255,255,255,0.85);font-size:1rem;
  margin-bottom:28px;max-width:520px;
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 28px;border-radius:28px;
  font-weight:600;font-size:0.9rem;
  transition:all var(--transition);
  text-decoration:none;
  position:relative;overflow:hidden;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),#e0b020);
  color:#1e2b3c;
  box-shadow:0 4px 16px var(--brand-glow);
}
.btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 10px 28px rgba(212,160,23,0.5);
  color:#1e2b3c;
}
.btn-outline{
  border:1.5px solid rgba(255,255,255,0.35);color:#fff;
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.btn-outline:hover{
  border-color:#fff;background:rgba(255,255,255,0.12);
  transform:translateY(-3px);color:#fff;
}
.hero-dots{
  position:absolute;bottom:20px;left:50%;transform:translateX(-50%);
  display:flex;gap:8px;z-index:5;
}
.hero-dot{
  width:8px;height:8px;border-radius:50%;
  background:rgba(255,255,255,0.35);cursor:pointer;
  transition:all var(--transition);
}
.hero-dot:hover{background:rgba(255,255,255,0.6)}
.hero-dot.active{background:var(--brand);width:24px;border-radius:4px}

/* 数字动画区 */
.stats-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-bottom:48px;
}
.stat-item{
  background:var(--surface-glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--border);
  border-radius:var(--radius);padding:24px 16px;text-align:center;
  transition:all var(--transition);
  position:relative;overflow:hidden;
}
.stat-item::after{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand),transparent);
  opacity:0;transition:opacity var(--transition);
}
.stat-item:hover{
  box-shadow:var(--shadow-lg);transform:translateY(-4px);
  border-color:var(--brand);
}
.stat-item:hover::after{opacity:1}
.stat-number{
  font-size:2rem;font-weight:800;
  background:linear-gradient(135deg,var(--brand-dark),var(--brand));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  line-height:1.2;
}
.stat-label{font-size:0.85rem;color:var(--text-secondary);margin-top:4px}

/* 通用区块 */
.section{margin-bottom:56px}
.section-header{margin-bottom:32px}
.section-header h2{
  font-size:1.75rem;font-weight:800;color:var(--text);
  margin-bottom:8px;position:relative;display:inline-block;
}
.section-header h2::after{
  content:"";position:absolute;bottom:-6px;left:0;
  width:48px;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-light));
  border-radius:2px;
}
.section-header p{color:var(--text-secondary);font-size:0.95rem;margin-top:12px;max-width:720px}

/* 卡片网格 */
.card-grid{display:grid;gap:20px}
.card-grid.col-2{grid-template-columns:repeat(2,1fr)}
.card-grid.col-3{grid-template-columns:repeat(3,1fr)}
.card-grid.col-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--surface-glass);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--border);
  border-radius:var(--radius);padding:28px 24px;
  transition:all var(--transition);
  position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:100%;
  background:linear-gradient(135deg,var(--brand-glow),transparent 60%);
  opacity:0;transition:opacity var(--transition);pointer-events:none;
}
.card:hover{
  box-shadow:var(--shadow-lg);transform:translateY(-4px);
  border-color:var(--brand);
}
.card:hover::before{opacity:1}
.card-icon{
  width:48px;height:48px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand-light),transparent);
  margin-bottom:16px;
  color:var(--brand-dark);
  transition:transform var(--transition);
}
.card:hover .card-icon{transform:scale(1.1) rotate(-5deg)}
.card h3{font-size:1.1rem;font-weight:700;margin-bottom:8px}
.card p{font-size:0.9rem;color:var(--text-secondary);line-height:1.7}

/* 文章列表 */
.article-list{display:grid;gap:16px}
.article-item{
  display:flex;gap:20px;
  background:var(--surface-glass);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;transition:all var(--transition);
}
.article-item:hover{
  box-shadow:var(--shadow-lg);border-color:var(--brand);
  transform:translateY(-3px);
}
.article-thumb{
  width:120px;height:90px;flex-shrink:0;
  border-radius:var(--radius-sm);overflow:hidden;
  background:linear-gradient(135deg,var(--brand-light),rgba(212,160,23,0.15));
  display:flex;align-items:center;justify-content:center;
  transition:transform var(--transition);
}
.article-item:hover .article-thumb{transform:scale(1.05)}
.article-body{flex:1;min-width:0}
.article-body h3{font-size:1.05rem;font-weight:700;margin-bottom:6px}
.article-body h3 a{color:var(--text)}
.article-body h3 a:hover{color:var(--brand-dark)}
.article-meta{
  display:flex;gap:16px;font-size:0.8rem;
  color:var(--text-secondary);margin-bottom:8px;
}
.article-summary{
  font-size:0.88rem;color:var(--text-secondary);
  line-height:1.6;margin-bottom:8px;
}
.read-more{
  font-size:0.85rem;font-weight:600;color:var(--brand-dark);
  display:inline-flex;align-items:center;gap:4px;
  transition:gap var(--transition),color var(--transition);
}
.read-more:hover{gap:8px;color:var(--brand)}

/* FAQ */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--surface-glass);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
  transition:all var(--transition);
}
.faq-item:hover{border-color:var(--brand)}
.faq-item.open{border-color:var(--brand);box-shadow:var(--shadow)}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;cursor:pointer;gap:16px;
  font-weight:600;font-size:0.95rem;color:var(--text);
  transition:background var(--transition);
}
.faq-question:hover{background:var(--brand-light)}
.faq-question .arrow{
  flex-shrink:0;transition:transform var(--transition);
  color:var(--text-secondary);
}
.faq-item.open .faq-question .arrow{transform:rotate(180deg);color:var(--brand-dark)}
.faq-answer{
  max-height:0;overflow:hidden;
  transition:max-height 0.4s ease,padding 0.3s ease;
  padding:0 24px;
}
.faq-item.open .faq-answer{
  max-height:400px;padding:0 24px 20px;
}
.faq-answer p{font-size:0.9rem;color:var(--text-secondary);line-height:1.8}

/* HowTo */
.howto-steps{
  display:grid;gap:0;counter-reset:step;
}
.howto-step{
  display:flex;gap:20px;padding:24px 0;
  border-bottom:1px solid var(--border);
  counter-increment:step;
  transition:transform var(--transition);
}
.howto-step:hover{transform:translateX(6px)}
.howto-step:last-child{border-bottom:none}
.step-num{
  width:40px;height:40px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),#e0b020);
  color:#1e2b3c;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:1rem;flex-shrink:0;
  box-shadow:0 4px 12px var(--brand-glow);
  transition:transform var(--transition);
}
.howto-step:hover .step-num{transform:scale(1.12)}
.step-body h3{font-size:1rem;font-weight:700;margin-bottom:6px}
.step-body p{font-size:0.9rem;color:var(--text-secondary);line-height:1.7}

/* 团队/EEAT */
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.team-card{
  background:var(--surface-glass);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--border);
  border-radius:var(--radius);padding:28px 24px;text-align:center;
  transition:all var(--transition);
}
.team-card:hover{
  box-shadow:var(--shadow-lg);transform:translateY(-4px);
  border-color:var(--brand);
}
.team-avatar{
  width:72px;height:72px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-light),rgba(212,160,23,0.2));
  margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
  transition:transform var(--transition);
  border:2px solid var(--border);
}
.team-card:hover .team-avatar{transform:scale(1.08)}
.team-card h3{font-size:1rem;font-weight:700;margin-bottom:4px}
.team-role{font-size:0.8rem;color:var(--brand-dark);font-weight:600;margin-bottom:8px}
.team-card p{font-size:0.85rem;color:var(--text-secondary);line-height:1.6}

/* 联系信息 */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.contact-item{
  display:flex;gap:16px;padding:20px;
  background:var(--surface-glass);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--border);
  border-radius:var(--radius);transition:all var(--transition);
}
.contact-item:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow)}
.contact-icon{
  width:44px;height:44px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand-light),rgba(212,160,23,0.15));
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-dark);flex-shrink:0;
  transition:transform var(--transition);
}
.contact-item:hover .contact-icon{transform:scale(1.1)}
.contact-item h3{font-size:0.9rem;font-weight:700;margin-bottom:4px}
.contact-item p{font-size:0.85rem;color:var(--text-secondary)}

/* 页脚 */
.site-footer{
  background:linear-gradient(135deg,#1e2b3c 0%,#141d28 100%);
  color:rgba(255,255,255,0.75);
  padding:48px 0 24px;margin-top:48px;
  position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;top:-50%;right:-10%;
  width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,var(--brand-glow),transparent 70%);
  pointer-events:none;
}
body.dark .site-footer{background:linear-gradient(135deg,#0a0f14 0%,#060a0e 100%)}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;margin-bottom:40px;
  position:relative;z-index:1;
}
.footer-brand h3{
  color:#fff;font-size:1.1rem;margin-bottom:12px;
  display:flex;align-items:center;gap:8px;
}
.footer-brand p{font-size:0.85rem;line-height:1.7;margin-bottom:16px}
.footer-col h4{
  color:#fff;font-size:0.9rem;font-weight:700;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:8px}
.footer-col a{
  color:rgba(255,255,255,0.6);font-size:0.85rem;
  transition:all var(--transition);
  display:inline-block;
}
.footer-col a:hover{color:var(--brand);transform:translateX(4px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1);
  padding-top:24px;display:flex;flex-wrap:wrap;
  justify-content:space-between;gap:12px;
  font-size:0.8rem;color:rgba(255,255,255,0.5);
  position:relative;z-index:1;
}
.footer-bottom a{color:rgba(255,255,255,0.5)}
.footer-bottom a:hover{color:var(--brand)}

/* 返回顶部 */
.back-to-top{
  position:fixed;bottom:28px;right:28px;
  width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),#e0b020);
  color:#1e2b3c;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 16px var(--brand-glow);
  opacity:0;visibility:hidden;
  transition:all var(--transition);z-index:900;
}
.back-to-top.visible{opacity:1;visibility:visible}
.back-to-top:hover{
  transform:translateY(-4px) scale(1.08);
  box-shadow:0 10px 28px rgba(212,160,23,0.55);
}

/* 滚动动画 */
.reveal{opacity:0;transform:translateY(28px);transition:opacity 0.7s ease,transform 0.7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* 响应式 */
@media(max-width:1024px){
  .card-grid.col-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:1.9rem}
}
@media(max-width:768px){
  .nav-links{display:none}
  .mobile-menu-btn{display:flex}
  .hero{min-height:340px}
  .hero h1{font-size:1.6rem}
  .hero-content{padding:40px 24px}
  .stats-bar{grid-template-columns:repeat(2,1fr)}
  .card-grid.col-3,.card-grid.col-2{grid-template-columns:1fr}
  .team-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .article-item{flex-direction:column}
  .article-thumb{width:100%;height:140px}
  .footer-grid{grid-template-columns:1fr}
  .search-box{display:none}
  .section-header h2{font-size:1.5rem}
}
@media(max-width:480px){
  .card-grid.col-4{grid-template-columns:1fr}
  .stats-bar{grid-template-columns:1fr 1fr}
  .hero h1{font-size:1.35rem}
  .hero-content{padding:32px 20px}
  .btn{padding:10px 22px;font-size:0.85rem}
  .stat-number{font-size:1.6rem}
  .back-to-top{bottom:20px;right:20px;width:40px;height:40px}
}

/* 减少动画偏好 */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
}

/* 选择文本样式 */
::selection{background:var(--brand);color:#1e2b3c}

/* 滚动条美化 */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{
  background:linear-gradient(180deg,var(--brand),var(--brand-dark));
  border-radius:5px;border:2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover{background:var(--brand-dark)}

/* 焦点可见性 */
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:4px;
}