:root{
  --bg:#0b0c15;
  --bg-2:#12142210;
  --panel:#161a2b;
  --panel-2:#1d2238;
  --line:#2a3050;
  --text:#eef1fa;
  --text-dim:#a4acc6;
  --brand:#ff4d6d;
  --brand-2:#8a5cff;
  --brand-3:#25d0c0;
  --gold:#f5c46b;
  --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(138,92,255,.22), transparent 60%),
    radial-gradient(700px 420px at 5% 5%, rgba(255,77,109,.16), transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:min(1180px,calc(100% - 40px));margin:0 auto}
.section{padding:72px 0}
.section-head{margin-bottom:36px}
.section-head h2{
  font-size:clamp(24px,3.2vw,34px);
  line-height:1.3;
  letter-spacing:.5px;
}
.section-head p{color:var(--text-dim);margin-top:10px;font-size:15px;max-width:720px}
.kicker{
  display:inline-block;font-size:12px;letter-spacing:2px;
  color:var(--brand-3);margin-bottom:10px;font-weight:600;
}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  backdrop-filter:blur(14px);
  background:rgba(11,12,21,.78);
  border-bottom:1px solid rgba(42,48,80,.7);
}
.header-inner{
  display:flex;align-items:center;gap:18px;
  min-height:64px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{height:34px;width:auto;border-radius:8px}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.5px;white-space:nowrap}
.nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;margin-left:auto}
.nav a{
  font-size:13.5px;color:var(--text-dim);padding:6px 9px;border-radius:8px;
  transition:color .2s,background .2s;white-space:nowrap;
}
.nav a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.header-cta{
  flex-shrink:0;font-size:13.5px;font-weight:600;
  padding:9px 18px;border-radius:999px;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  color:#fff;box-shadow:0 6px 20px rgba(255,77,109,.28);
  transition:transform .2s;
}
.header-cta:hover{transform:translateY(-2px)}
.menu-toggle{
  display:none;margin-left:auto;background:none;border:1px solid var(--line);
  color:var(--text);border-radius:10px;padding:7px 12px;font-size:13px;cursor:pointer;
}

/* ============ Hero ============ */
.hero{position:relative;padding:64px 0 72px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(600px 340px at 78% 20%, rgba(255,77,109,.18), transparent 65%),
    radial-gradient(520px 320px at 12% 80%, rgba(37,208,192,.12), transparent 65%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;
}
.hero-copy h1{
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.22;
  letter-spacing:1px;
  margin-bottom:18px;
}
.hero-copy h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--brand),var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--text-dim);font-size:16px;max-width:520px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin:24px 0 30px}
.hero-tags span{
  font-size:12.5px;padding:6px 13px;border-radius:999px;
  border:1px solid var(--line);color:var(--text-dim);
  background:rgba(255,255,255,.03);
}
.download-row{display:flex;flex-wrap:wrap;gap:12px}
.dl-btn{
  display:flex;align-items:center;gap:11px;
  padding:11px 22px;border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.045);
  transition:transform .2s,border-color .2s,background .2s;
  min-width:160px;
}
.dl-btn:hover{transform:translateY(-3px);border-color:rgba(255,77,109,.55);background:rgba(255,77,109,.1)}
.dl-btn .ico{font-size:20px;line-height:1}
.dl-btn .txt{display:flex;flex-direction:column;line-height:1.25}
.dl-btn .txt b{font-size:14px;font-weight:600}
.dl-btn .txt small{font-size:11px;color:var(--text-dim)}
.dl-btn.primary{
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  border-color:transparent;
  box-shadow:0 10px 28px rgba(255,77,109,.3);
}
.dl-btn.primary .txt small{color:rgba(255,255,255,.82)}

/* hero poster collage */
.hero-collage{
  position:relative;height:520px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
}
.hero-collage figure{
  border-radius:14px;overflow:hidden;border:1px solid rgba(255,255,255,.1);
  box-shadow:0 18px 40px rgba(0,0,0,.5);
  animation:float 7s ease-in-out infinite;
}
.hero-collage figure img{width:100%;height:100%;object-fit:cover}
.hero-collage figure:nth-child(1){grid-row:span 2;animation-delay:0s}
.hero-collage figure:nth-child(2){margin-top:26px;animation-delay:.8s}
.hero-collage figure:nth-child(3){grid-row:span 2;align-self:end;height:86%;animation-delay:1.6s}
.hero-collage figure:nth-child(4){margin-bottom:26px;animation-delay:2.2s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* ============ AI 魔改 ============ */
.ai-band{
  background:linear-gradient(160deg,rgba(138,92,255,.16),rgba(22,26,43,.9));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
.ai-card{
  background:linear-gradient(165deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;position:relative;overflow:hidden;
  transition:transform .25s,border-color .25s;
}
.ai-card:hover{transform:translateY(-5px);border-color:rgba(138,92,255,.6)}
.ai-card .num{
  font-size:13px;font-weight:700;letter-spacing:2px;color:var(--brand-3);
  display:block;margin-bottom:12px;
}
.ai-card h3{font-size:18px;margin-bottom:9px}
.ai-card p{color:var(--text-dim);font-size:14.5px}
.ai-card::after{
  content:"";position:absolute;right:-40px;bottom:-40px;
  width:110px;height:110px;border-radius:50%;
  background:radial-gradient(circle,rgba(138,92,255,.35),transparent 70%);
}

/* ============ 热播 ============ */
.drama-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.drama-card{
  background:var(--panel);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s,border-color .25s;
}
.drama-card:hover{transform:translateY(-5px);border-color:rgba(255,77,109,.5)}
.drama-card .poster{aspect-ratio:3/4;overflow:hidden;background:#080910}
.drama-card .poster img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.drama-card:hover .poster img{transform:scale(1.06)}
.drama-body{padding:14px 14px 16px;display:flex;flex-direction:column;gap:7px;flex:1}
.drama-body h3{font-size:15.5px;line-height:1.35}
.drama-desc{font-size:12.8px;color:var(--text-dim);line-height:1.6}
.drama-meta{
  display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:auto;padding-top:6px;
}
.tag{
  font-size:11px;padding:2px 8px;border-radius:6px;
  background:rgba(37,208,192,.12);color:var(--brand-3);
  border:1px solid rgba(37,208,192,.25);
}
.date{font-size:11px;color:#7d85a3}

/* ============ 安装步骤 ============ */
.install{background:linear-gradient(180deg,transparent,rgba(22,26,43,.6))}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px;counter-reset:step}
.step{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 22px 24px;position:relative;
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:16px;right:20px;
  font-size:26px;font-weight:800;color:rgba(138,92,255,.32);
}
.step h3{font-size:16px;margin-bottom:10px;padding-right:40px}
.step p{font-size:13.8px;color:var(--text-dim)}

/* ============ FAQ 问答 ============ */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:32px}
.qa{
  border:1px solid var(--line);border-radius:12px;
  background:var(--panel);padding:18px 20px;
  transition:border-color .2s,background .2s;
}
.qa:hover{border-color:rgba(255,77,109,.45);background:var(--panel-2)}
.qa dt{
  font-size:15px;font-weight:600;margin-bottom:8px;
  display:flex;gap:9px;align-items:flex-start;
}
.qa dt::before{
  content:"问";flex-shrink:0;font-size:11px;font-weight:700;
  width:20px;height:20px;border-radius:6px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.qa dd{font-size:13.8px;color:var(--text-dim);padding-left:29px}

/* ============ 用户热评 ============ */
.review-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.review{
  background:linear-gradient(160deg,var(--panel-2),var(--panel));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;position:relative;
}
.review::before{
  content:"“";position:absolute;top:6px;right:18px;
  font-size:52px;line-height:1;color:rgba(245,196,107,.22);font-family:Georgia,serif;
}
.review p{font-size:14px;color:#d5daeb;margin-bottom:14px}
.review .who{display:flex;align-items:center;gap:10px}
.avatar{
  width:32px;height:32px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.who b{font-size:13px;display:block}
.who small{font-size:11px;color:#7d85a3}

/* ============ 隐私安全 ============ */
.privacy{
  background:linear-gradient(150deg,rgba(37,208,192,.1),rgba(22,26,43,.85));
  border:1px solid var(--line);border-radius:22px;padding:44px;
}
.privacy-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:28px}
.p-item{display:flex;gap:14px;align-items:flex-start}
.p-item .dot{
  flex-shrink:0;width:30px;height:30px;border-radius:9px;
  background:rgba(37,208,192,.14);border:1px solid rgba(37,208,192,.35);
  display:flex;align-items:center;justify-content:center;font-size:14px;
}
.p-item h3{font-size:15px;margin-bottom:5px}
.p-item p{font-size:13.5px;color:var(--text-dim)}

/* ============ 创作者 ============ */
.creator-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:32px}
.creator-card{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;background:var(--panel);
}
.creator-card h3{font-size:18px;margin-bottom:14px;color:var(--gold)}
.creator-card ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.creator-card li{
  font-size:14px;color:var(--text-dim);padding-left:18px;position:relative;
}
.creator-card li::before{
  content:"";position:absolute;left:0;top:9px;
  width:6px;height:6px;border-radius:50%;background:var(--brand);
}

/* ============ 交流社区 ============ */
.community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:32px}
.community-card{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;background:linear-gradient(165deg,var(--panel),rgba(29,34,56,.6));
}
.community-card h3{font-size:16px;margin-bottom:8px;color:var(--brand-3)}
.community-card p{font-size:13.5px;color:var(--text-dim)}

/* ============ 下载区 ============ */
.download-zone{
  margin-top:20px;
  border:1px solid rgba(255,77,109,.32);
  border-radius:24px;
  padding:48px 40px;
  background:
    radial-gradient(520px 260px at 85% 0%, rgba(255,77,109,.24), transparent 70%),
    linear-gradient(160deg,#1a1d33,#101222);
  text-align:center;
}
.download-zone h2{font-size:clamp(24px,3.2vw,34px);margin-bottom:12px}
.download-zone > p{color:var(--text-dim);max-width:640px;margin:0 auto 22px;font-size:15px}
.dl-tips{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
  text-align:left;margin:30px 0 32px;
}
.dl-tip{
  border:1px solid var(--line);border-radius:12px;padding:16px 18px;
  background:rgba(255,255,255,.03);
}
.dl-tip b{display:block;font-size:14px;margin-bottom:6px;color:var(--gold)}
.dl-tip span{font-size:13px;color:var(--text-dim)}
.download-zone .download-row{justify-content:center}
.still-wall{
  display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-top:44px;
}
.still-wall img{
  width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:10px;
  border:1px solid rgba(255,255,255,.08);
  transition:transform .25s,filter .25s;
  filter:saturate(.85);
}
.still-wall img:hover{transform:translateY(-4px) scale(1.03);filter:saturate(1.1)}

/* ============ Footer ============ */
.site-footer{
  border-top:1px solid var(--line);margin-top:20px;
  padding:44px 0 30px;background:rgba(8,9,16,.7);
}
.footer-top{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;
  padding-bottom:30px;border-bottom:1px solid rgba(42,48,80,.7);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-brand img{height:30px;width:auto;border-radius:7px}
.footer-brand b{font-size:16px}
.footer-desc{font-size:13.5px;color:var(--text-dim);max-width:320px}
.footer-col h4{font-size:13.5px;margin-bottom:12px;color:var(--text)}
.footer-col a,.footer-col span{
  display:block;font-size:13px;color:var(--text-dim);margin-bottom:8px;
}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding-top:22px;font-size:12.5px;color:#78809b;
}
.footer-bottom .updated{color:#5f6785}

/* ============ Responsive ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-collage{height:400px;max-width:600px;margin:0 auto;width:100%}
  .ai-grid{grid-template-columns:repeat(2,1fr)}
  .drama-grid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .review-wrap{grid-template-columns:repeat(2,1fr)}
  .community-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .nav{display:none}
  .nav.open{display:flex;position:absolute;top:64px;left:0;right:0;
    background:rgba(11,12,21,.98);padding:14px 20px 20px;
    flex-direction:column;align-items:flex-start;gap:4px;
    border-bottom:1px solid var(--line)}
  .menu-toggle{display:block}
  .header-cta{margin-left:0}
}
@media (max-width:768px){
  .wrap{width:calc(100% - 28px)}
  .section{padding:52px 0}
  .hero{padding:44px 0 52px}
  .hero-collage{height:320px;gap:9px}
  .ai-grid,.drama-grid,.steps,.qa-grid,.review-wrap,
  .privacy-grid,.creator-grid,.community-grid,.dl-tips{
    grid-template-columns:1fr;
  }
  .drama-grid{grid-template-columns:repeat(2,1fr)}
  .privacy{padding:28px 22px}
  .download-zone{padding:32px 20px}
  .still-wall{grid-template-columns:repeat(3,1fr)}
  .footer-top{grid-template-columns:1fr;gap:22px}
  .download-row{flex-direction:column;align-items:stretch}
  .dl-btn{width:100%}
  .hero-tags{gap:7px}
  .header-inner{gap:10px}
  .brand-name{font-size:15px}
  .header-cta{padding:8px 13px;font-size:12.5px}
}