:root{
  --bg:#0d0f14;
  --bg-soft:#141822;
  --card:#1a1f2b;
  --card-hover:#202636;
  --line:#2a3142;
  --text:#e8ebf2;
  --text-dim:#9aa4b8;
  --text-mute:#6b7589;
  --brand:#ff3b3b;
  --brand-2:#ff7a45;
  --brand-3:#7c4dff;
  --grad:linear-gradient(135deg,#ff3b3b 0%,#ff7a45 100%);
  --grad-purple:linear-gradient(135deg,#7c4dff 0%,#ff3b3b 100%);
  --radius:18px;
  --radius-sm:12px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(13,15,20,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand img{height:34px;width:auto;border-radius:8px;}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.5px;}
.brand-name em{font-style:normal;color:var(--brand);}
.nav-links{display:flex;gap:2px;flex-wrap:wrap;}
.nav-links a{
  font-size:14px;color:var(--text-dim);
  padding:8px 12px;border-radius:8px;
  transition:.2s;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:var(--card);}
.nav-cta{
  background:var(--grad);color:#fff;font-size:14px;font-weight:700;
  padding:9px 20px;border-radius:24px;flex-shrink:0;
  box-shadow:0 4px 18px rgba(255,59,59,.35);
  transition:.2s;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(255,59,59,.5);}

/* 首屏 */
.hero{
  position:relative;overflow:hidden;
  padding:70px 0 80px;
  background:
    radial-gradient(900px 500px at 78% -10%,rgba(255,59,59,.22),transparent 65%),
    radial-gradient(700px 420px at 8% 20%,rgba(124,77,255,.18),transparent 60%),
    var(--bg);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 50% 30%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 20%,transparent 78%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:#ffb3a0;background:rgba(255,59,59,.12);
  border:1px solid rgba(255,59,59,.3);
  padding:6px 14px;border-radius:20px;margin-bottom:20px;
}
.hero-badge span{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand);}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.22;font-weight:900;letter-spacing:-.5px;
  margin-bottom:18px;
}
.hero h1 b{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  color:transparent;
}
.hero-sub{font-size:16px;color:var(--text-dim);max-width:520px;margin-bottom:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-bottom:32px;}
.hero-points li{
  font-size:14px;color:var(--text-dim);display:flex;align-items:center;gap:6px;
}
.hero-points li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--brand-2);transform:rotate(45deg);}

/* 下载按钮组 */
.dl-group{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.btn-dl{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 24px;border-radius:14px;font-size:15px;font-weight:700;
  transition:.22s;cursor:pointer;border:1px solid transparent;
}
.btn-dl .ico{font-size:19px;line-height:1;}
.btn-main{background:var(--grad);color:#fff;box-shadow:0 6px 22px rgba(255,59,59,.38);}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(255,59,59,.55);}
.btn-ghost{background:var(--card);color:var(--text);border-color:var(--line);}
.btn-ghost:hover{background:var(--card-hover);border-color:#3a4460;transform:translateY(-2px);}
.dl-hint{font-size:12px;color:var(--text-mute);margin-top:14px;}

/* 首屏海报墙 */
.poster-stage{position:relative;height:460px;}
.poster-col{position:absolute;display:flex;flex-direction:column;gap:14px;width:150px;}
.poster-col.c1{left:0;top:0;animation:floatY 7s ease-in-out infinite;}
.poster-col.c2{left:168px;top:44px;animation:floatY 8.5s ease-in-out infinite reverse;}
.poster-col.c3{left:336px;top:10px;animation:floatY 6.5s ease-in-out infinite;}
.poster-col img{
  width:100%;height:208px;object-fit:cover;
  border-radius:14px;border:1px solid rgba(255,255,255,.09);
  box-shadow:0 14px 34px rgba(0,0,0,.55);
}
@keyframes floatY{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-16px);}
}

/* 通用区块 */
.section{padding:76px 0;position:relative;}
.section-alt{background:var(--bg-soft);}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;
  color:var(--brand-2);text-transform:uppercase;margin-bottom:12px;
  padding-left:14px;position:relative;
}
.sec-tag::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:8px;height:8px;border-radius:2px;background:var(--grad);transform:rotate(45deg) translateY(-30%);}
.sec-head h2{font-size:clamp(24px,3vw,34px);font-weight:850;line-height:1.3;margin-bottom:12px;}
.sec-head p{color:var(--text-dim);font-size:15px;}

/* AI 短剧卡组 */
.ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.ai-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.25s;display:flex;flex-direction:column;
}
.ai-card:hover{transform:translateY(-6px);border-color:#3b4considered;border-color:rgba(255,59,59,.45);box-shadow:0 18px 40px rgba(0,0,0,.5);}
.ai-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;}
.ai-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.ai-card:hover .ai-thumb img{transform:scale(1.06);}
.ai-thumb .tag{
  position:absolute;top:12px;left:12px;
  font-size:12px;font-weight:700;color:#fff;
  background:rgba(124,77,255,.85);backdrop-filter:blur(6px);
  padding:4px 10px;border-radius:6px;
}
.ai-thumb .date{
  position:absolute;bottom:12px;left:12px;right:12px;
  font-size:12px;color:#fff;background:rgba(0,0,0,.55);
  padding:5px 10px;border-radius:6px;backdrop-filter:blur(6px);
}
.ai-info{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.ai-info h3{font-size:16px;font-weight:800;}
.ai-info p{font-size:13px;color:var(--text-dim);line-height:1.6;flex:1;}
.ai-cats{display:flex;flex-wrap:wrap;gap:6px;}
.ai-cats span{font-size:11px;color:#ffb0a0;background:rgba(255,59,59,.1);border:1px solid rgba(255,59,59,.22);padding:2px 8px;border-radius:20px;}

/* 热播横滑 */
.rail-scroll{
  display:flex;gap:18px;overflow-x:auto;padding-bottom:14px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:#3a4460 transparent;
}
.rail-scroll::-webkit-scrollbar{height:6px;}
.rail-scroll::-webkit-scrollbar-thumb{background:#3a4460;border-radius:6px;}
.rail-item{
  flex:0 0 200px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  overflow:hidden;transition:.22s;
}
.rail-item:hover{border-color:rgba(255,59,59,.45);transform:translateY(-4px);}
.rail-item img{width:100%;aspect-ratio:3/4;object-fit:cover;}
.rail-item .rail-body{padding:12px;}
.rail-item h3{font-size:14px;font-weight:700;margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rail-item .mini-tag{font-size:11px;color:var(--text-mute);}
.rail-item .mini-tag b{color:var(--brand-2);font-weight:600;}

/* 安装步骤 时间线 */
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.steps::before{
  content:"";position:absolute;top:34px;left:8%;right:8%;height:2px;
  background:linear-gradient(90deg,rgba(255,59,59,.5),rgba(124,77,255,.5));z-index:0;
}
.step{
  position:relative;z-index:1;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;
  transition:.25s;
}
.step:hover{border-color:rgba(255,59,59,.4);transform:translateY(-4px);}
.step-num{
  width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:18px;color:#fff;margin-bottom:16px;
  background:var(--grad);box-shadow:0 6px 18px rgba(255,59,59,.4);
}
.step h3{font-size:16px;font-weight:800;margin-bottom:8px;}
.step p{font-size:13px;color:var(--text-dim);line-height:1.65;}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:20px 22px;transition:.2s;
}
.faq-item:hover{border-color:rgba(255,59,59,.35);background:var(--card-hover);}
.faq-item h3{
  font-size:15px;font-weight:800;margin-bottom:10px;display:flex;gap:10px;align-items:flex-start;
}
.faq-item h3 .q{
  flex-shrink:0;width:22px;height:22px;border-radius:6px;
  background:rgba(255,59,59,.15);color:var(--brand-2);
  font-size:12px;font-weight:900;display:flex;align-items:center;justify-content:center;
}
.faq-item p{font-size:13.5px;color:var(--text-dim);line-height:1.7;padding-left:32px;}

/* 热评 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.review{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;display:flex;flex-direction:column;gap:12px;transition:.22s;
}
.review:hover{transform:translateY(-4px);border-color:rgba(124,77,255,.4);}
.review .stars{color:#ffb84d;font-size:13px;letter-spacing:2px;}
.review p{font-size:13.5px;color:var(--text-dim);line-height:1.7;}
.review .who{display:flex;align-items:center;gap:10px;margin-top:auto;}
.review .avatar{
  width:34px;height:34px;border-radius:50%;
  background:var(--grad-purple);display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:#fff;flex-shrink:0;
}
.review .who b{font-size:13px;display:block;}
.review .who small{font-size:11px;color:var(--text-mute);}

/* 隐私安全 */
.privacy-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.privacy-card{
  background:linear-gradient(145deg,rgba(124,77,255,.09),rgba(255,59,59,.05));
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:.22s;
}
.privacy-card:hover{border-color:rgba(124,77,255,.45);transform:translateY(-3px);}
.privacy-card .p-ico{
  width:44px;height:44px;border-radius:12px;background:rgba(124,77,255,.18);
  display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px;
}
.privacy-card h3{font-size:16px;font-weight:800;margin-bottom:8px;}
.privacy-card p{font-size:13.5px;color:var(--text-dim);line-height:1.7;}

/* 创作者计划 */
.creator{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center;
  background:linear-gradient(135deg,rgba(255,59,59,.1),rgba(124,77,255,.1));
  border:1px solid var(--line);border-radius:24px;padding:44px;
}
.creator h2{font-size:clamp(22px,2.6vw,30px);font-weight:850;margin-bottom:14px;line-height:1.35;}
.creator p{font-size:15px;color:var(--text-dim);margin-bottom:22px;}
.creator-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.creator-list li{
  display:flex;gap:10px;font-size:13.5px;color:var(--text-dim);
  background:rgba(0,0,0,.25);border:1px solid var(--line);border-radius:10px;padding:12px 14px;
}
.creator-list li b{color:var(--brand-2);font-weight:800;}

/* 社区 */
.community-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.com-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:20px;transition:.22s;
}
.com-card:hover{border-color:rgba(255,59,59,.4);transform:translateY(-4px);background:var(--card-hover);}
.com-card h3{font-size:15px;font-weight:800;margin-bottom:8px;color:#ffb0a0;}
.com-card p{font-size:13px;color:var(--text-dim);line-height:1.65;}

/* 下载区 */
.download-section{
  position:relative;overflow:hidden;
  background:
    radial-gradient(800px 400px at 50% 0%,rgba(255,59,59,.22),transparent 70%),
    radial-gradient(600px 300px at 50% 100%,rgba(124,77,255,.16),transparent 70%),
    var(--bg-soft);
  padding:80px 0;
}
.dl-panel{
  max-width:860px;margin:0 auto;text-align:center;
  background:var(--card);border:1px solid var(--line);
  border-radius:26px;padding:52px 40px;
  box-shadow:0 24px 70px rgba(0,0,0,.5);
}
.dl-panel h2{font-size:clamp(24px,3vw,34px);font-weight:900;margin-bottom:14px;}
.dl-panel h2 b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.dl-panel .lead{font-size:15px;color:var(--text-dim);max-width:600px;margin:0 auto 30px;}
.dl-btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:12px;}
.dl-notes{
  margin-top:30px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;text-align:left;
}
.dl-note{
  background:rgba(0,0,0,.28);border:1px solid var(--line);border-radius:12px;padding:16px;
}
.dl-note h3{font-size:14px;font-weight:800;margin-bottom:6px;display:flex;align-items:center;gap:8px;}
.dl-note h3 span{
  width:20px;height:20px;border-radius:6px;background:var(--grad);color:#fff;
  font-size:11px;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.dl-note p{font-size:12.5px;color:var(--text-dim);line-height:1.6;}

/* 页脚 */
.site-footer{
  background:#0a0c10;border-top:1px solid var(--line);
  padding:44px 0 30px;
}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;margin-bottom:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.footer-brand img{height:30px;width:auto;border-radius:8px;}
.footer-brand b{font-size:17px;}
.footer-desc{font-size:13px;color:var(--text-mute);max-width:340px;line-height:1.7;}
.footer-col h4{font-size:14px;font-weight:800;margin-bottom:14px;color:var(--text);}
.footer-col li{margin-bottom:9px;}
.footer-col a{font-size:13px;color:var(--text-mute);transition:.2s;}
.footer-col a:hover{color:var(--brand-2);}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:22px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12px;color:var(--text-mute);
}

/* 响应式 */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .poster-stage{height:420px;max-width:520px;margin:0 auto;}
  .ai-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{display:none;}
  .review-grid{grid-template-columns:repeat(2,1fr);}
  .community-grid{grid-template-columns:repeat(2,1fr);}
  .creator{grid-template-columns:1fr;padding:32px;}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .nav-links{display:none;}
  .hero{padding:46px 0 60px;}
  .hero-points{margin-bottom:24px;gap:8px 16px;}
  .poster-stage{height:400px;transform:scale(.92);transform-origin:top center;}
  .ai-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .review-grid{grid-template-columns:1fr;}
  .privacy-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .community-grid{grid-template-columns:1fr;}
  .creator-list{grid-template-columns:1fr;}
  .dl-panel{padding:36px 22px;}
  .dl-notes{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
  .section{padding:56px 0;}
}