/* =============================================
   17c高清影院 - 主样式文件
   www.cglwzm2.cn
   ============================================= */

/* ---- CSS变量 ---- */
:root {
  --color-bg: #0a0c10;
  --color-bg2: #111318;
  --color-bg3: #181c24;
  --color-surface: #1a1e28;
  --color-border: rgba(255,255,255,0.08);
  --color-primary: #e8b84b;
  --color-primary-dark: #c99a30;
  --color-text: #e8eaf0;
  --color-text-muted: #8a8fa8;
  --color-text-dim: #5a5f72;
  --color-white: #ffffff;
  --font-main: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 8px 32px rgba(0,0,0,0.45);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.35);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --max-w: 1280px;
  --header-h: 70px;
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
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;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:var(--transition)}
img{display:block;max-width:100%;height:auto}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}
input,textarea,select{font-family:inherit}

/* ---- 滚动条 ---- */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--color-bg)}
::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--color-primary)}

/* ---- 通用工具类 ---- */
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-title{
  font-size:clamp(1.8rem,3vw,2.6rem);
  font-weight:700;
  letter-spacing:-0.02em;
  line-height:1.2;
  color:var(--color-white);
  margin-bottom:16px;
}
.section-subtitle{
  font-size:1.05rem;
  color:var(--color-text-muted);
  max-width:560px;
  line-height:1.8;
}
.section-header{margin-bottom:56px}
.section-header.center{text-align:center}
.section-header.center .section-subtitle{margin:0 auto}
.tag{
  display:inline-block;
  font-size:0.75rem;
  font-weight:600;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--color-primary);
  background:rgba(232,184,75,0.1);
  border:1px solid rgba(232,184,75,0.25);
  padding:4px 12px;
  border-radius:100px;
  margin-bottom:16px;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 28px;
  border-radius:100px;
  font-size:0.95rem;
  font-weight:600;
  transition:var(--transition);
  white-space:nowrap;
}
.btn-primary{
  background:var(--color-primary);
  color:#0a0c10;
}
.btn-primary:hover{
  background:var(--color-primary-dark);
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(232,184,75,0.3);
}
.btn-outline{
  border:1px solid var(--color-border);
  color:var(--color-text);
  background:transparent;
}
.btn-outline:hover{
  border-color:var(--color-primary);
  color:var(--color-primary);
  transform:translateY(-2px);
}
.divider{
  width:48px;height:3px;
  background:var(--color-primary);
  border-radius:2px;
  margin-bottom:24px;
}
.divider.center{margin:0 auto 24px}

/* ---- 顶部公告栏 ---- */
.top-bar{
  background:var(--color-primary);
  color:#0a0c10;
  text-align:center;
  font-size:0.82rem;
  font-weight:600;
  padding:8px 24px;
  letter-spacing:0.03em;
}
.top-bar a{color:#0a0c10;text-decoration:underline}

/* ---- 导航 ---- */
.header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(10,12,16,0.92);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--color-border);
  height:var(--header-h);
  display:flex;
  align-items:center;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:1.5rem;
  font-weight:800;
  letter-spacing:-0.03em;
  color:var(--color-white);
}
.logo-icon{
  width:36px;height:36px;
  background:var(--color-primary);
  border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;font-weight:900;color:#0a0c10;
}
.logo span{color:var(--color-primary)}
.nav{display:flex;align-items:center;gap:4px}
.nav a{
  padding:8px 14px;
  border-radius:8px;
  font-size:0.9rem;
  font-weight:500;
  color:var(--color-text-muted);
  transition:var(--transition);
}
.nav a:hover,.nav a.active{
  color:var(--color-white);
  background:rgba(255,255,255,0.06);
}
.header-actions{display:flex;align-items:center;gap:12px}
.btn-watch{
  background:var(--color-primary);
  color:#0a0c10;
  padding:8px 20px;
  border-radius:100px;
  font-size:0.88rem;
  font-weight:700;
  transition:var(--transition);
}
.btn-watch:hover{
  background:var(--color-primary-dark);
  transform:translateY(-1px);
}
.hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  padding:6px;
  cursor:pointer;
}
.hamburger span{
  display:block;width:22px;height:2px;
  background:var(--color-text);
  border-radius:2px;
  transition:var(--transition);
}

/* ---- 搜索栏 ---- */
.search-bar-wrap{
  background:var(--color-bg2);
  border-bottom:1px solid var(--color-border);
  padding:12px 0;
}
.search-form{
  display:flex;
  align-items:center;
  max-width:640px;
  margin:0 auto;
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:100px;
  overflow:hidden;
  transition:var(--transition);
}
.search-form:focus-within{
  border-color:var(--color-primary);
  box-shadow:0 0 0 3px rgba(232,184,75,0.12);
}
.search-form input{
  flex:1;
  background:transparent;
  border:none;
  outline:none;
  padding:10px 20px;
  font-size:0.9rem;
  color:var(--color-text);
}
.search-form input::placeholder{color:var(--color-text-dim)}
.search-form button{
  padding:10px 20px;
  background:var(--color-primary);
  color:#0a0c10;
  font-size:0.88rem;
  font-weight:600;
  border-radius:0 100px 100px 0;
  transition:var(--transition);
}
.search-form button:hover{background:var(--color-primary-dark)}

/* ---- Hero Banner ---- */
.hero{
  position:relative;
  min-height:calc(100vh - var(--header-h) - 45px);
  display:flex;
  align-items:center;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('../images/banner.jpg');
  background-size:cover;
  background-position:center;
  filter:brightness(0.35);
  transform:scale(1.05);
  transition:transform 8s ease;
}
.hero:hover .hero-bg{transform:scale(1.0)}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(10,12,16,0.85) 0%,rgba(10,12,16,0.4) 60%,transparent 100%);
}
.hero-content{
  position:relative;z-index:2;
  max-width:680px;
  padding:80px 0;
}
.hero h1{
  font-size:clamp(2.2rem,5vw,4rem);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-0.03em;
  color:var(--color-white);
  margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;
  color:var(--color-primary);
}
.hero-desc{
  font-size:1.1rem;
  color:rgba(232,234,240,0.8);
  line-height:1.8;
  margin-bottom:36px;
  max-width:520px;
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-stats{
  display:flex;gap:40px;
  margin-top:56px;
  padding-top:32px;
  border-top:1px solid rgba(255,255,255,0.1);
}
.hero-stat-num{
  font-size:1.8rem;font-weight:800;
  color:var(--color-primary);
  line-height:1;
}
.hero-stat-label{
  font-size:0.82rem;
  color:var(--color-text-muted);
  margin-top:4px;
}

/* ---- 分类标签栏 ---- */
.cat-bar{
  background:var(--color-bg2);
  border-bottom:1px solid var(--color-border);
  padding:0;
  overflow-x:auto;
  scrollbar-width:none;
}
.cat-bar::-webkit-scrollbar{display:none}
.cat-list{
  display:flex;
  gap:0;
  white-space:nowrap;
}
.cat-list a{
  display:inline-block;
  padding:14px 20px;
  font-size:0.88rem;
  font-weight:500;
  color:var(--color-text-muted);
  border-bottom:2px solid transparent;
  transition:var(--transition);
}
.cat-list a:hover,.cat-list a.active{
  color:var(--color-primary);
  border-bottom-color:var(--color-primary);
}

/* ---- 视频卡片 ---- */
.video-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:24px;
}
.video-card{
  background:var(--color-surface);
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--color-border);
  transition:var(--transition);
  cursor:pointer;
}
.video-card:hover{
  transform:translateY(-6px);
  border-color:rgba(232,184,75,0.3);
  box-shadow:var(--shadow-card);
}
.video-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--color-bg3);
}
.video-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 0.5s ease;
}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.video-play-btn{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(0,0,0,0);
  transition:var(--transition);
  opacity:0;
}
.video-card:hover .video-play-btn{
  opacity:1;
  background:rgba(0,0,0,0.45);
}
.play-icon{
  width:56px;height:56px;
  background:var(--color-primary);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  transform:scale(0.8);
  transition:var(--transition);
  box-shadow:0 4px 20px rgba(232,184,75,0.4);
}
.video-card:hover .play-icon{transform:scale(1)}
.play-icon svg{width:20px;height:20px;fill:#0a0c10;margin-left:3px}
.video-duration{
  position:absolute;
  bottom:8px;right:8px;
  background:rgba(0,0,0,0.75);
  color:#fff;
  font-size:0.75rem;
  font-weight:600;
  padding:2px 7px;
  border-radius:4px;
}
.video-badge{
  position:absolute;
  top:8px;left:8px;
  background:var(--color-primary);
  color:#0a0c10;
  font-size:0.7rem;
  font-weight:700;
  padding:2px 8px;
  border-radius:4px;
  letter-spacing:0.03em;
}
.video-info{padding:16px}
.video-cat{
  font-size:0.75rem;
  font-weight:600;
  color:var(--color-primary);
  text-transform:uppercase;
  letter-spacing:0.06em;
  margin-bottom:6px;
}
.video-title{
  font-size:0.95rem;
  font-weight:600;
  color:var(--color-text);
  line-height:1.5;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.video-meta{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:0.78rem;
  color:var(--color-text-dim);
}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-meta svg{width:13px;height:13px;fill:currentColor}

/* ---- 品牌介绍 ---- */
.about-section{background:var(--color-bg2)}
.about-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:80px;
  align-items:center;
}
.about-img-wrap{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
}
.about-img-wrap img{
  width:100%;
  border-radius:var(--radius-lg);
  display:block;
}
.about-img-badge{
  position:absolute;
  bottom:24px;left:24px;
  background:var(--color-primary);
  color:#0a0c10;
  padding:12px 20px;
  border-radius:var(--radius);
  font-size:0.88rem;
  font-weight:700;
}
.about-text .section-subtitle{max-width:100%}
.about-features{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin-top:32px;
}
.about-feature{
  display:flex;
  align-items:flex-start;
  gap:12px;
}
.about-feature-icon{
  width:40px;height:40px;
  background:rgba(232,184,75,0.1);
  border:1px solid rgba(232,184,75,0.2);
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  font-size:1.1rem;
}
.about-feature-text h4{font-size:0.9rem;font-weight:600;color:var(--color-white);margin-bottom:2px}
.about-feature-text p{font-size:0.8rem;color:var(--color-text-muted)}

/* ---- 服务/功能卡片 ---- */
.services-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:20px;
}
.service-card{
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:var(--radius);
  padding:32px 24px;
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.service-card::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--color-primary);
  transform:scaleX(0);
  transition:var(--transition);
}
.service-card:hover{
  transform:translateY(-4px);
  border-color:rgba(232,184,75,0.2);
  box-shadow:var(--shadow-card);
}
.service-card:hover::before{transform:scaleX(1)}
.service-icon{
  width:52px;height:52px;
  background:rgba(232,184,75,0.1);
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;
  margin-bottom:20px;
}
.service-card h3{
  font-size:1.05rem;
  font-weight:700;
  color:var(--color-white);
  margin-bottom:10px;
}
.service-card p{
  font-size:0.88rem;
  color:var(--color-text-muted);
  line-height:1.7;
}

/* ---- 数据统计 ---- */
.stats-section{
  background:linear-gradient(135deg,var(--color-bg2) 0%,var(--color-bg3) 100%);
  border-top:1px solid var(--color-border);
  border-bottom:1px solid var(--color-border);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.stat-item{
  text-align:center;
  padding:48px 24px;
  border-right:1px solid var(--color-border);
  transition:var(--transition);
}
.stat-item:last-child{border-right:none}
.stat-item:hover{background:rgba(232,184,75,0.04)}
.stat-num{
  font-size:clamp(2rem,4vw,3rem);
  font-weight:800;
  color:var(--color-primary);
  letter-spacing:-0.03em;
  line-height:1;
  margin-bottom:8px;
}
.stat-label{
  font-size:0.88rem;
  color:var(--color-text-muted);
}

/* ---- 用户评价 ---- */
.reviews-section{background:var(--color-bg2)}
.reviews-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(300px,1fr));
  gap:20px;
}
.review-card{
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:var(--radius);
  padding:28px;
  transition:var(--transition);
}
.review-card:hover{
  transform:translateY(-3px);
  border-color:rgba(232,184,75,0.2);
}
.review-stars{
  display:flex;gap:3px;
  margin-bottom:14px;
}
.review-stars span{color:var(--color-primary);font-size:1rem}
.review-text{
  font-size:0.92rem;
  color:var(--color-text-muted);
  line-height:1.75;
  margin-bottom:20px;
}
.review-author{display:flex;align-items:center;gap:12px}
.review-avatar{
  width:40px;height:40px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));
  display:flex;align-items:center;justify-content:center;
  font-size:0.9rem;font-weight:700;color:#0a0c10;
  flex-shrink:0;
}
.review-name{font-size:0.9rem;font-weight:600;color:var(--color-white)}
.review-role{font-size:0.78rem;color:var(--color-text-dim)}

/* ---- FAQ ---- */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{
  border-bottom:1px solid var(--color-border);
}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:22px 0;
  cursor:pointer;
  font-size:1rem;
  font-weight:600;
  color:var(--color-text);
  gap:16px;
  transition:var(--transition);
}
.faq-q:hover{color:var(--color-primary)}
.faq-icon{
  width:28px;height:28px;
  border:1px solid var(--color-border);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  transition:var(--transition);
  font-size:1.1rem;
  color:var(--color-text-muted);
}
.faq-item.open .faq-icon{
  background:var(--color-primary);
  border-color:var(--color-primary);
  color:#0a0c10;
  transform:rotate(45deg);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 0.4s ease,padding 0.3s ease;
  font-size:0.92rem;
  color:var(--color-text-muted);
  line-height:1.8;
}
.faq-item.open .faq-a{
  max-height:300px;
  padding-bottom:20px;
}

/* ---- 联系方式 ---- */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1.2fr;
  gap:64px;
  align-items:start;
}
.contact-info h3{
  font-size:1.4rem;font-weight:700;
  color:var(--color-white);
  margin-bottom:16px;
}
.contact-info p{
  font-size:0.92rem;
  color:var(--color-text-muted);
  line-height:1.8;
  margin-bottom:32px;
}
.contact-items{display:flex;flex-direction:column;gap:16px}
.contact-item{
  display:flex;align-items:center;gap:14px;
  font-size:0.9rem;color:var(--color-text-muted);
}
.contact-item-icon{
  width:40px;height:40px;
  background:rgba(232,184,75,0.1);
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;flex-shrink:0;
}
.contact-form{
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  padding:36px;
}
.form-group{margin-bottom:20px}
.form-group label{
  display:block;
  font-size:0.85rem;font-weight:600;
  color:var(--color-text-muted);
  margin-bottom:8px;
}
.form-group input,.form-group textarea,.form-group select{
  width:100%;
  background:var(--color-bg3);
  border:1px solid var(--color-border);
  border-radius:var(--radius);
  padding:12px 16px;
  font-size:0.9rem;
  color:var(--color-text);
  outline:none;
  transition:var(--transition);
}
.form-group input:focus,.form-group textarea:focus{
  border-color:var(--color-primary);
  box-shadow:0 0 0 3px rgba(232,184,75,0.1);
}
.form-group textarea{resize:vertical;min-height:120px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* ---- 社交分享 ---- */
.social-bar{
  background:var(--color-bg3);
  border-top:1px solid var(--color-border);
  padding:24px 0;
}
.social-inner{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  flex-wrap:wrap;
}
.social-label{
  font-size:0.85rem;
  color:var(--color-text-muted);
  margin-right:4px;
}
.social-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;
  border-radius:100px;
  font-size:0.82rem;font-weight:600;
  border:1px solid var(--color-border);
  color:var(--color-text-muted);
  transition:var(--transition);
}
.social-btn:hover{
  border-color:var(--color-primary);
  color:var(--color-primary);
  transform:translateY(-2px);
}

/* ---- 页脚 ---- */
.footer{
  background:var(--color-bg2);
  border-top:1px solid var(--color-border);
  padding:64px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:48px;
  margin-bottom:48px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{
  font-size:0.88rem;
  color:var(--color-text-muted);
  line-height:1.75;
  max-width:280px;
}
.footer-col h4{
  font-size:0.9rem;
  font-weight:700;
  color:var(--color-white);
  margin-bottom:16px;
  letter-spacing:0.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{
  font-size:0.85rem;
  color:var(--color-text-muted);
  transition:var(--transition);
}
.footer-col ul a:hover{color:var(--color-primary);padding-left:4px}
.footer-bottom{
  border-top:1px solid var(--color-border);
  padding-top:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
}
.footer-copy{font-size:0.82rem;color:var(--color-text-dim)}
.footer-links{display:flex;gap:20px}
.footer-links a{
  font-size:0.82rem;
  color:var(--color-text-dim);
  transition:var(--transition);
}
.footer-links a:hover{color:var(--color-primary)}
.update-time{
  font-size:0.78rem;
  color:var(--color-text-dim);
  margin-top:6px;
}

/* ---- 移动端菜单 ---- */
.mobile-menu{
  display:none;
  position:fixed;
  inset:0;
  z-index:2000;
  background:rgba(0,0,0,0.85);
  backdrop-filter:blur(10px);
}
.mobile-menu.open{display:flex}
.mobile-menu-inner{
  background:var(--color-bg2);
  width:280px;
  height:100%;
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
}
.mobile-menu-close{
  align-self:flex-end;
  font-size:1.4rem;
  color:var(--color-text-muted);
  margin-bottom:16px;
  cursor:pointer;
}
.mobile-menu a{
  display:block;
  padding:12px 16px;
  border-radius:var(--radius);
  font-size:0.95rem;
  font-weight:500;
  color:var(--color-text-muted);
  transition:var(--transition);
}
.mobile-menu a:hover{
  background:rgba(255,255,255,0.06);
  color:var(--color-white);
}

/* ---- 面包屑 ---- */
.breadcrumb{
  padding:16px 0;
  font-size:0.82rem;
  color:var(--color-text-dim);
}
.breadcrumb a{color:var(--color-text-muted);transition:var(--transition)}
.breadcrumb a:hover{color:var(--color-primary)}
.breadcrumb span{margin:0 6px}

/* ---- 内页 Hero ---- */
.page-hero{
  background:var(--color-bg2);
  border-bottom:1px solid var(--color-border);
  padding:64px 0;
  text-align:center;
}
.page-hero h1{
  font-size:clamp(1.8rem,4vw,3rem);
  font-weight:800;
  color:var(--color-white);
  margin-bottom:12px;
}
.page-hero p{
  font-size:1rem;
  color:var(--color-text-muted);
  max-width:560px;
  margin:0 auto;
}

/* ---- 精选推荐 ---- */
.featured-card{
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:0;
  transition:var(--transition);
}
.featured-card:hover{
  border-color:rgba(232,184,75,0.3);
  box-shadow:var(--shadow);
}
.featured-img{
  aspect-ratio:16/9;
  overflow:hidden;
  position:relative;
}
.featured-img img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 0.5s ease;
}
.featured-card:hover .featured-img img{transform:scale(1.04)}
.featured-content{padding:40px 36px;display:flex;flex-direction:column;justify-content:center}
.featured-content h2{
  font-size:1.4rem;font-weight:700;
  color:var(--color-white);
  margin-bottom:12px;
  line-height:1.4;
}
.featured-content p{
  font-size:0.9rem;
  color:var(--color-text-muted);
  line-height:1.75;
  margin-bottom:24px;
}

/* ---- 加载动画 ---- */
@keyframes fadeInUp{
  from{opacity:0;transform:translateY(20px)}
  to{opacity:1;transform:translateY(0)}
}
.fade-in{animation:fadeInUp 0.6s ease both}
.fade-in-delay-1{animation-delay:0.1s}
.fade-in-delay-2{animation-delay:0.2s}
.fade-in-delay-3{animation-delay:0.3s}

/* ---- 视频模态框 ---- */
.video-modal{
  display:none;
  position:fixed;inset:0;
  z-index:9999;
  background:rgba(0,0,0,0.9);
  align-items:center;
  justify-content:center;
}
.video-modal.open{display:flex}
.video-modal-inner{
  position:relative;
  width:90%;
  max-width:900px;
  background:#000;
  border-radius:var(--radius-lg);
  overflow:hidden;
}
.video-modal-close{
  position:absolute;
  top:12px;right:12px;
  z-index:10;
  width:36px;height:36px;
  background:rgba(0,0,0,0.6);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:1.1rem;cursor:pointer;
  transition:var(--transition);
}
.video-modal-close:hover{background:var(--color-primary);color:#0a0c10}
.video-placeholder{
  aspect-ratio:16/9;
  background:var(--color-bg3);
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  gap:16px;
  color:var(--color-text-muted);
  font-size:0.95rem;
}
.video-placeholder .big-play{
  width:72px;height:72px;
  background:var(--color-primary);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
}
.video-placeholder .big-play svg{width:28px;height:28px;fill:#0a0c10;margin-left:4px}

/* ---- 响应式 ---- */
@media(max-width:1024px){
  .about-grid{grid-template-columns:1fr;gap:40px}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:none}
  .stat-item:nth-child(3){border-top:1px solid var(--color-border)}
  .featured-card{grid-template-columns:1fr}
}
@media(max-width:768px){
  :root{--header-h:60px}
  .section{padding:64px 0}
  .nav{display:none}
  .hamburger{display:flex}
  .hero h1{font-size:2rem}
  .hero-stats{gap:24px;flex-wrap:wrap}
  .video-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .services-grid{grid-template-columns:1fr 1fr}
  .reviews-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .about-features{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
  .container{padding:0 16px}
  .video-grid{grid-template-columns:1fr}
  .services-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
  .btn{justify-content:center}
}