:root{
  --bg:#0b0d12;
  --bg2:#12151d;
  --card:#171b25;
  --line:#262c3a;
  --txt:#e8ebf2;
  --sub:#9aa3b5;
  --acc:#ff3d6e;
  --acc2:#ffb648;
  --cyan:#39d1e0;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,13,18,.88);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.head-inner{display:flex;align-items:center;gap:18px;height:64px;max-width:1200px;margin:0 auto;padding:0 20px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand img{height:34px;width:auto;border-radius:8px}
.brand-name{font-weight:800;font-size:17px;letter-spacing:.5px;white-space:nowrap}
.nav{display:flex;gap:4px;overflow-x:auto;flex:1;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{font-size:14px;color:var(--sub);padding:6px 10px;border-radius:8px;white-space:nowrap;transition:.2s}
.nav a:hover{color:var(--txt);background:#1c2130}
.head-dl{
  flex:0 0 auto;background:linear-gradient(135deg,var(--acc),#ff7a44);
  color:#fff;font-size:14px;font-weight:700;padding:8px 16px;border-radius:999px;
  white-space:nowrap;transition:transform .2s;
}
.head-dl:hover{transform:translateY(-1px)}

/* ===== hero ===== */
.hero{position:relative;padding:56px 0 64px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(600px 320px at 12% 0%,rgba(255,61,110,.18),transparent 70%),
    radial-gradient(520px 300px at 88% 12%,rgba(57,209,224,.14),transparent 70%),
    radial-gradient(400px 240px at 50% 100%,rgba(255,182,72,.10),transparent 70%);
  pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1fr 380px;gap:44px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--acc2);
  border:1px solid rgba(255,182,72,.35);background:rgba(255,182,72,.08);
  padding:5px 14px;border-radius:999px;margin-bottom:18px;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--acc2);display:block}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:900;letter-spacing:-.5px;
  margin-bottom:18px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--acc),var(--acc2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{color:var(--sub);font-size:16px;max-width:560px;margin-bottom:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.hero-points span{
  font-size:13px;color:#cfd6e4;background:#1a1f2c;border:1px solid var(--line);
  padding:6px 13px;border-radius:8px;
}
.dl-row{display:flex;flex-wrap:wrap;gap:12px}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:12px 22px;border-radius:12px;font-size:15px;font-weight:700;
  transition:transform .18s,box-shadow .18s;border:1px solid transparent;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--acc),#ff6a3d);color:#fff;box-shadow:0 8px 24px rgba(255,61,110,.28)}
.btn-ghost{background:#1a1f2c;color:var(--txt);border-color:var(--line)}
.btn-ghost:hover{border-color:#3b4459}
.btn .dot{width:8px;height:8px;border-radius:50%;background:#fff;opacity:.85}

/* hero phone / carousel */
.hero-visual{position:relative}
.phone{
  position:relative;border-radius:26px;border:1px solid #2c3344;
  background:#11141c;padding:10px;box-shadow:0 24px 60px rgba(0,0,0,.55);
}
.phone::after{
  content:"";position:absolute;left:50%;top:14px;transform:translateX(-50%);
  width:74px;height:6px;border-radius:6px;background:#2c3344;
}
.carousel{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:3/4;background:#0d1017}
.carousel img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:opacity .7s ease, transform 6s linear;
}
.carousel img.fade{opacity:0}
.carousel-caption{
  position:absolute;left:0;right:0;bottom:0;padding:44px 16px 14px;
  background:linear-gradient(transparent,rgba(6,8,12,.92));
  font-size:13px;color:#dfe4ee;
}
.carousel-caption strong{display:block;font-size:16px;margin-bottom:2px}
.carousel-dots{display:flex;gap:6px;justify-content:center;margin-top:12px}
.carousel-dots b{width:18px;height:4px;border-radius:4px;background:#2c3344;display:block;transition:.3s}
.carousel-dots b.on{background:var(--acc);width:26px}

/* ===== section base ===== */
section{padding:64px 0;position:relative}
.sec-head{margin-bottom:34px}
.sec-kicker{
  font-size:12px;letter-spacing:2px;color:var(--acc2);font-weight:700;
  text-transform:uppercase;margin-bottom:8px;display:block;
}
.sec-head h2{font-size:clamp(22px,3vw,32px);font-weight:800;letter-spacing:-.3px}
.sec-head p{color:var(--sub);margin-top:10px;font-size:15px;max-width:680px}

/* ===== daily new (grid) ===== */
.daily{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.daily-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .22s,border-color .22s;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);border-color:#3d465c}
.card-pic{position:relative;aspect-ratio:3/4;overflow:hidden;background:#0d1017}
.card-pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .card-pic img{transform:scale(1.06)}
.score{
  position:absolute;top:8px;right:8px;font-size:12px;font-weight:700;color:#ffe0a3;
  background:rgba(10,12,18,.72);border:1px solid rgba(255,182,72,.4);
  padding:2px 8px;border-radius:6px;
}
.ep{
  position:absolute;left:8px;bottom:8px;font-size:11px;color:#fff;
  background:rgba(255,61,110,.9);padding:2px 8px;border-radius:5px;
}
.card-body{padding:12px 13px 15px;display:flex;flex-direction:column;gap:7px;flex:1}
.card-body h3{font-size:15px;font-weight:700;line-height:1.4}
.card-body p{font-size:12.5px;color:var(--sub);line-height:1.6;flex:1}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tags span{font-size:11px;color:var(--cyan);background:rgba(57,209,224,.1);padding:2px 7px;border-radius:5px}
.date{font-size:11.5px;color:#6f7a90}

/* ===== timeline ===== */
.timeline-sec{background:linear-gradient(180deg,var(--bg),#0f1219)}
.tl-layout{display:grid;grid-template-columns:300px 1fr;gap:40px;align-items:start}
.tl-aside{position:sticky;top:88px}
.tl-aside .poster{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  box-shadow:0 20px 50px rgba(0,0,0,.5);
}
.tl-aside .poster img{width:100%;aspect-ratio:3/4;object-fit:cover}
.tl-aside .aside-note{margin-top:16px;font-size:13px;color:var(--sub)}
.timeline{position:relative;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--acc),var(--acc2),var(--cyan));
  opacity:.45;
}
.tl-item{position:relative;padding:0 0 26px 0}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-31px;top:5px;width:14px;height:14px;border-radius:50%;
  background:var(--bg);border:3px solid var(--acc);box-shadow:0 0 0 4px rgba(255,61,110,.12);
}
.tl-item:nth-child(2n)::before{border-color:var(--acc2);box-shadow:0 0 0 4px rgba(255,182,72,.12)}
.tl-item:nth-child(3n)::before{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(57,209,224,.12)}
.tl-time{
  font-size:13px;font-weight:800;color:var(--acc2);letter-spacing:1px;margin-bottom:4px;
  font-variant-numeric:tabular-nums;
}
.tl-box{
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:13px 16px;
}
.tl-box h3{font-size:15px;margin-bottom:4px}
.tl-box p{font-size:13px;color:var(--sub)}

/* ===== magai features ===== */
.magai{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 44px}
.feature{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);
}
.feature-num{
  flex:0 0 30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:rgba(255,61,110,.12);color:var(--acc);font-weight:800;font-size:13px;
}
.feature h3{font-size:15px;margin-bottom:3px}
.feature p{font-size:13.5px;color:var(--sub)}

/* ===== community / QA ===== */
.qa-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.qa{
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;
}
.qa q{
  display:block;font-size:15px;font-weight:700;color:#fff;margin-bottom:8px;quotes:none;
}
.qa q::before{content:"Q · ";color:var(--acc2);font-weight:900}
.qa p{font-size:13.5px;color:var(--sub)}
.qa p::before{content:"A · ";color:var(--cyan);font-weight:900}

/* ===== poster wall ===== */
.wall-sec{background:linear-gradient(180deg,#0f1219,var(--bg))}
.wall{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.wall figure{
  border-radius:10px;overflow:hidden;border:1px solid var(--line);background:#0d1017;
  position:relative;
}
.wall img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .45s}
.wall figure:hover img{transform:scale(1.07)}
.wall figcaption{
  position:absolute;inset:auto 0 0 0;padding:22px 9px 8px;font-size:11.5px;
  background:linear-gradient(transparent,rgba(6,8,12,.9));color:#dfe4ee;
}

/* ===== comments ===== */
.comments{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cmt-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.cmt{
  display:flex;gap:13px;background:var(--card);border:1px solid var(--line);
  border-radius:12px;padding:16px 18px;
}
.cmt-avatar{
  flex:0 0 42px;width:42px;height:42px;border-radius:11px;overflow:hidden;
  border:1px solid #333b4d;background:#0d1017;
}
.cmt-avatar img{width:100%;height:100%;object-fit:cover}
.cmt-top{display:flex;align-items:center;gap:8px;margin-bottom:4px}
.cmt-top strong{font-size:14px}
.cmt-top em{font-style:normal;font-size:11px;color:var(--acc2)}
.cmt p{font-size:13.5px;color:var(--sub)}

/* ===== safety ===== */
.safety-cols{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.safety-pic{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.safety-pic img{width:100%;object-fit:cover;aspect-ratio:4/3}
.safety-list{list-style:none;display:grid;gap:14px}
.safety-list li{
  padding:14px 16px;background:var(--card);border:1px solid var(--line);
  border-radius:11px;font-size:14px;color:#d3d9e5;
}
.safety-list li b{color:var(--cyan);margin-right:6px}

/* ===== submit ===== */
.submit-sec{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:st}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:20px 18px;position:relative;
}
.step::before{
  counter-increment:st;content:counter(st);
  display:grid;place-items:center;width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,var(--acc),#ff7a44);color:#fff;
  font-weight:800;font-size:14px;margin-bottom:12px;
}
.step h3{font-size:15px;margin-bottom:5px}
.step p{font-size:13px;color:var(--sub)}

/* ===== news ===== */
.news-list{display:grid;gap:0}
.news-item{
  display:grid;grid-template-columns:112px 1fr auto;gap:20px;align-items:center;
  padding:16px 0;border-bottom:1px solid var(--line);
}
.news-date{font-size:13px;color:var(--acc2);font-weight:700;font-variant-numeric:tabular-nums}
.news-item h3{font-size:15px;margin-bottom:3px}
.news-item p{font-size:13px;color:var(--sub)}
.news-thumb{width:80px;height:52px;border-radius:8px;overflow:hidden;border:1px solid var(--line)}
.news-thumb img{width:100%;height:100%;object-fit:cover}

/* ===== download ===== */
.download{
  background:
    radial-gradient(600px 300px at 20% 0%,rgba(255,61,110,.16),transparent 70%),
    radial-gradient(500px 300px at 85% 100%,rgba(57,209,224,.14),transparent 70%),
    #0d1017;
  border-top:1px solid var(--line);
}
.dl-head{text-align:center;max-width:720px;margin:0 auto 36px}
.dl-head h2{font-size:clamp(22px,3vw,32px);font-weight:800;margin-bottom:12px}
.dl-head p{color:var(--sub);font-size:15px}
.install-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:36px}
.install{
  background:rgba(23,27,37,.8);border:1px solid var(--line);border-radius:12px;padding:20px;
}
.install h3{font-size:15px;margin-bottom:8px;color:#fff}
.install ol{list-style:none;counter-reset:ii;display:grid;gap:7px}
.install ol li{
  counter-increment:ii;font-size:13px;color:var(--sub);padding-left:22px;position:relative;
}
.install ol li::before{
  content:counter(ii);position:absolute;left:0;top:1px;width:16px;height:16px;
  border-radius:50%;background:#2a3244;color:#cfd6e4;font-size:10px;
  display:grid;place-items:center;font-weight:800;
}
.dl-btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.dl-btns .btn{padding:13px 26px}

/* copy modal */
.modal-mask{
  position:fixed;inset:0;background:rgba(5,7,11,.78);z-index:200;
  display:none;align-items:center;justify-content:center;padding:24px;
}
.modal-mask.open{display:flex}
.modal-box{
  width:100%;max-width:400px;background:#151a24;border:1px solid #333c50;
  border-radius:16px;padding:26px 22px;text-align:center;
  box-shadow:0 30px 70px rgba(0,0,0,.6);
}
.modal-box h3{font-size:17px;margin-bottom:12px;color:#fff}
.modal-box p{font-size:13.5px;color:var(--sub);margin-bottom:16px}
.copy-field{
  display:flex;gap:8px;margin-bottom:14px;
}
.copy-field input{
  flex:1;min-width:0;background:#0d1017;border:1px solid #333c50;color:#cfd6e4;
  border-radius:9px;padding:10px 12px;font-size:12.5px;font-family:inherit;
}
.copy-field button{
  flex:0 0 auto;background:linear-gradient(135deg,var(--acc),#ff7a44);color:#fff;
  border:none;border-radius:9px;padding:10px 16px;font-size:13px;font-weight:700;
  cursor:pointer;font-family:inherit;
}
.modal-close{
  background:none;border:1px solid #333c50;color:var(--sub);border-radius:9px;
  padding:8px 18px;font-size:13px;cursor:pointer;font-family:inherit;
}

/* ===== footer ===== */
.site-footer{
  background:#080a0e;border-top:1px solid var(--line);
  padding:34px 0 28px;font-size:12.5px;color:#6a7488;
}
.foot-top{
  display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
  padding-bottom:16px;border-bottom:1px solid #161a24;margin-bottom:16px;
}
.foot-brand{display:flex;align-items:center;gap:9px;color:#98a1b3;font-weight:700;font-size:13px}
.foot-brand img{height:24px;border-radius:6px}
.foot-links{display:flex;gap:16px;flex-wrap:wrap}
.foot-links a:hover{color:#cfd6e4}
.foot-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;line-height:1.9}
.foot-bottom a{color:#6a7488}
.foot-bottom a:hover{color:#cfd6e4}

/* ===== responsive ===== */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr 320px;gap:30px}
  .daily-grid{grid-template-columns:repeat(4,1fr)}
  .wall{grid-template-columns:repeat(4,1fr)}
  .tl-layout{grid-template-columns:240px 1fr;gap:28px}
  .news-item{grid-template-columns:96px 1fr auto}
}
@media (max-width:768px){
  .head-inner{height:58px;gap:12px}
  .nav{display:none}
  .brand img{height:28px}
  .brand-name{font-size:15px}
  .head-dl{padding:7px 13px;font-size:13px}
  .hero{padding:38px 0 46px}
  .hero-inner{grid-template-columns:1fr;gap:30px}
  .hero-visual{max-width:300px;margin:0 auto;width:100%}
  section{padding:46px 0}
  .daily-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .wall{grid-template-columns:repeat(3,1fr);gap:8px}
  .feature-list{grid-template-columns:1fr;gap:0}
  .qa-grid{grid-template-columns:1fr}
  .cmt-grid{grid-template-columns:1fr}
  .safety-cols{grid-template-columns:1fr;gap:24px}
  .steps{grid-template-columns:repeat(2,1fr);gap:12px}
  .install-grid{grid-template-columns:1fr}
  .tl-layout{grid-template-columns:1fr;gap:26px}
  .tl-aside{position:static;max-width:240px;margin:0 auto}
  .news-item{grid-template-columns:1fr;gap:6px}
  .news-thumb{display:none}
  .dl-btns .btn{flex:1 1 100%;justify-content:center}
  .foot-bottom{flex-direction:column;gap:6px}
}