:root{
  --bg:#0B0B0E;
  --card:#15151A;
  --card-2:#1C1C22;
  --gold:#F5C63F;
  --red:#E5322D;
  --text:#F2EFE9;
  --muted:#9A958C;
  --line:rgba(255,255,255,.09);
}
*{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;
  overflow-x:hidden;
  line-height:1.6;
  position:relative;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(600px 420px at 6% -4%, rgba(245,198,63,.08), transparent 70%),
    radial-gradient(520px 380px at 96% 2%, rgba(229,50,45,.10), transparent 70%);
}
.mono{font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 20px;position:relative;z-index:1;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;height:auto;}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,11,14,.86);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;height:66px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand img{width:34px;height:34px;border-radius:8px;object-fit:cover;border:1px solid rgba(245,198,63,.5);}
.brand-name{font-weight:700;font-size:17px;letter-spacing:.5px;}
.main-nav{display:flex;gap:22px;font-size:14px;color:var(--muted);}
.main-nav a{transition:color .25s;}
.main-nav a:hover{color:var(--gold);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;font-size:14px;font-weight:600;
  padding:10px 22px;border:1px solid transparent;
  transition:transform .25s,background .25s,color .25s,border-color .25s;
  cursor:pointer;
}
.btn-gold{background:var(--gold);color:#161207;}
.btn-gold:hover{transform:translateY(-2px);}
.btn-ghost{border-color:rgba(245,198,63,.55);color:var(--gold);background:transparent;}
.btn-ghost:hover{background:rgba(245,198,63,.1);}
.header-btn{font-size:13px;padding:9px 18px;}

/* ---------- 首屏 ---------- */
.hero{padding:60px 0 48px;}
.hero-inner{display:flex;align-items:center;gap:40px;}
.hero-copy{flex:1;min-width:0;}
.hero-copy h1{
  font-size:44px;line-height:1.2;font-weight:800;letter-spacing:-.5px;
}
.hero-copy h1 span{color:var(--gold);display:block;}
.hero-desc{margin-top:20px;font-size:15px;color:var(--muted);max-width:440px;}
.hero-desc p+p{margin-top:10px;}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}

.hero-phones{
  position:relative;width:470px;height:430px;flex-shrink:0;
}
.phone{
  background:#0d0d11;border:1px solid #2a2a32;border-radius:26px;
  padding:8px;box-shadow:0 26px 50px rgba(0,0,0,.6);
  transition:transform .5s ease,border-color .4s ease,box-shadow .5s ease;
}
.phone img{border-radius:20px;width:100%;}
.phone-main{
  width:246px;position:absolute;left:0;top:0;z-index:2;
}
.phone-sub{
  width:186px;position:absolute;right:0;top:54px;z-index:1;
  transform:rotate(7deg);
}
.hero-phones:hover .phone-main{transform:translateY(-7px);border-color:var(--gold);}
.hero-phones:hover .phone-sub{transform:translateY(-11px) rotate(7deg);}
.phone-main img{animation:slowZoom 7.5s ease-in-out infinite alternate;}
@keyframes slowZoom{from{transform:scale(1.004);}to{transform:scale(1.022);}}

/* ---------- 数据条 ---------- */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;text-align:center;}
.stat-num{font-size:28px;color:var(--gold);font-weight:700;letter-spacing:.5px;}
.stat-label{font-size:13px;color:var(--muted);margin-top:4px;}

/* ---------- 通用区块 ---------- */
.section{padding:62px 0;}
.section-head{max-width:640px;margin-bottom:32px;}
.section-head h2{font-size:28px;font-weight:800;letter-spacing:-.3px;}
.section-head p{margin-top:10px;color:var(--muted);font-size:14px;}

/* ---------- 分类 ---------- */
.tags{display:flex;flex-wrap:wrap;gap:12px;}
.tag{
  padding:9px 20px;border-radius:999px;font-size:14px;
  background:var(--card);border:1px solid var(--line);color:var(--text);
  transition:border-color .25s,color .25s,background .25s;
}
.tag:hover{border-color:rgba(245,198,63,.6);color:var(--gold);background:var(--card-2);}

/* ---------- 界面墙 ---------- */
.screens-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:34px 26px;justify-items:center;}
.screen-item{width:100%;max-width:250px;text-align:center;}
.screen-phone{
  background:#0d0d11;border:1px solid #2a2a32;border-radius:24px;padding:7px;
  box-shadow:0 16px 34px rgba(0,0,0,.55);
  transition:transform .35s ease,border-color .35s ease;
}
.screen-phone img{border-radius:18px;width:100%;}
.screen-item:hover .screen-phone{transform:translateY(-6px) rotate(.5deg);border-color:var(--gold);}
.screen-item h3{font-size:15px;font-weight:700;margin-top:16px;transition:color .3s;}
.screen-item:hover h3{color:var(--gold);}
.screen-item p{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.55;}

/* ---------- 教程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.step-card{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:18px;display:flex;gap:16px;align-items:flex-start;
}
.step-phone{
  width:88px;flex-shrink:0;background:#0d0d11;border:1px solid #2a2a32;
  border-radius:14px;padding:4px;
}
.step-phone img{border-radius:10px;width:100%;}
.step-body{min-width:0;}
.step-no{font-size:12px;color:var(--red);letter-spacing:1px;font-weight:700;}
.step-title{font-size:16px;font-weight:700;margin:6px 0 8px;}
.step-text{font-size:13px;color:var(--muted);}
.step-note{
  font-size:12px;color:var(--muted);margin-top:10px;padding-left:10px;
  border-left:2px solid var(--gold);line-height:1.5;
}

/* ---------- 使用场景 ---------- */
.scene-box{
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
  display:grid;grid-template-columns:repeat(3,1fr);background:var(--card);
}
.scene-cell{padding:24px 22px;border-right:1px solid var(--line);}
.scene-cell:last-child{border-right:none;}
.scene-cell h3{font-size:17px;font-weight:700;}
.scene-tag{font-size:12px;color:var(--gold);margin:6px 0 10px;letter-spacing:.5px;}
.scene-cell p{font-size:13px;color:var(--muted);}

/* ---------- 机型表 ---------- */
.device-table{width:100%;border-collapse:collapse;font-size:14px;}
.device-table th{
  text-align:left;font-size:12px;color:var(--gold);font-weight:600;letter-spacing:1px;
  padding:12px 14px;border-bottom:1px solid var(--line);
}
.device-table td{
  padding:15px 14px;color:var(--muted);border-bottom:1px solid var(--line);vertical-align:top;
}
.device-table td:first-child{color:var(--text);font-weight:600;}

/* ---------- 最近上线 ---------- */
.poster-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.poster-card{display:block;}
.poster-frame{
  position:relative;border-radius:10px;overflow:hidden;border:1px solid var(--line);
  aspect-ratio:3/4;background:var(--card-2);
}
.poster-frame img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;
}
.poster-card:hover .poster-frame img{transform:scale(1.035);}
.poster-badge{
  position:absolute;left:8px;top:8px;z-index:2;
  background:var(--gold);color:#161207;font-size:11px;font-weight:700;
  padding:2px 8px;border-radius:6px;
}
.poster-title{font-size:14px;font-weight:600;margin-top:10px;line-height:1.4;}
.poster-meta{font-size:12px;color:var(--gold);margin-top:4px;}

/* ---------- 答疑 ---------- */
.faq-group{margin-bottom:8px;}
.faq-group-title{font-size:13px;color:var(--gold);letter-spacing:1px;margin:22px 0 8px;}
details.faq{
  border-bottom:1px solid var(--line);padding:14px 0;
}
details.faq summary{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;
  align-items:center;gap:16px;font-size:15px;font-weight:500;color:var(--text);
}
details.faq summary::-webkit-details-marker{display:none;}
.faq-icon{color:var(--gold);font-size:18px;line-height:1;flex-shrink:0;}
details.faq summary .faq-icon::before{content:"＋";}
details.faq[open] summary .faq-icon::before{content:"－";}
.faq-answer{font-size:13px;color:var(--muted);margin-top:10px;max-width:760px;}
.err-table{width:100%;border-collapse:collapse;margin-top:12px;font-size:12px;max-width:760px;}
.err-table th{text-align:left;color:var(--gold);font-weight:600;padding:8px 10px;border-bottom:1px solid var(--line);}
.err-table td{padding:8px 10px;color:var(--muted);border-bottom:1px solid var(--line);}

/* ---------- 下载 ---------- */
.download-box{
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
  display:grid;grid-template-columns:repeat(3,1fr);background:var(--card);
}
.dl-cell{padding:26px 22px;border-right:1px solid var(--line);}
.dl-cell:last-child{border-right:none;}
.dl-icon{
  width:38px;height:38px;border-radius:10px;background:var(--gold);color:#161207;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
}
.dl-name{font-size:17px;font-weight:700;margin-top:14px;}
.dl-ver{font-size:12px;color:var(--gold);margin-top:6px;}
.dl-text{font-size:13px;color:var(--muted);margin-top:10px;}
.dl-link{font-size:12px;color:var(--muted);margin-top:12px;word-break:break-all;}
.dl-link a{color:var(--gold);border-bottom:1px dashed rgba(245,198,63,.5);}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  padding:40px 0 26px;font-size:13px;color:var(--muted);
}
.footer-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.footer-brand{max-width:320px;}
.footer-brand .brand-name{color:var(--text);font-size:16px;}
.footer-brand p{margin-top:10px;line-height:1.7;}
.footer-links{display:flex;gap:52px;flex-wrap:wrap;}
.footer-col h4{font-size:13px;color:var(--text);margin-bottom:10px;font-weight:600;}
.footer-col a{display:block;margin-bottom:8px;transition:color .25s;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{
  margin-top:30px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:#6f6b64;
}
.footer-bottom a{color:#8b877f;}
.footer-bottom a:hover{color:var(--gold);}
.footer-bottom time{color:#6f6b64;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-inner{flex-direction:column;align-items:flex-start;}
  .hero-copy h1{font-size:36px;}
  .hero-phones{width:360px;height:340px;margin:0 auto;}
  .phone-main{width:200px;}
  .phone-sub{width:150px;top:44px;}
  .screens-grid{grid-template-columns:repeat(2,1fr);}
  .poster-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;}
  .scene-box{grid-template-columns:1fr;}
  .scene-cell{border-right:none;border-bottom:1px solid var(--line);}
  .scene-cell:last-child{border-bottom:none;}
  .download-box{grid-template-columns:1fr;}
  .dl-cell{border-right:none;border-bottom:1px solid var(--line);}
  .dl-cell:last-child{border-bottom:none;}
}
@media (max-width:768px){
  .main-nav{display:none;}
  .header-inner{height:58px;}
  .hero{padding:38px 0 34px;}
  .hero-copy h1{font-size:30px;}
  .hero-phones{width:300px;height:300px;}
  .phone-main{width:162px;}
  .phone-sub{width:124px;top:38px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .stat-num{font-size:24px;}
  .section{padding:46px 0;}
  .section-head h2{font-size:23px;}
  .screen-item{max-width:100%;}
  .step-phone{width:76px;}
  .poster-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .footer-links{gap:32px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .phone-main img{transform:none !important;}
}