/* 异次元 - 二次元漫画与番剧 */
:root{
  --violet:#1698E0;
  --violet-2:#0E77B8;
  --violet-soft:#E6F4FE;
  --violet-pale:#F2FAFF;
  --lime:#F0453A;
  --ink:#0F2A3C;
  --gray:#56748A;
  --line:#CFE7F7;
  --card:#FFFFFF;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  color:var(--ink);background:var(--violet-pale);line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:min(1100px,92%);margin:0 auto}
h1,h2,h3,h4{line-height:1.3}

/* header */
.hd{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.hd-in{display:flex;align-items:center;gap:22px;height:70px}
.hd-brand{display:flex;align-items:center;gap:11px}
.hd-brand img{border-radius:10px}
.hd-brand b{display:block;font-size:17px;letter-spacing:.04em;color:var(--violet)}
.hd-brand small{display:block;font-size:10.5px;color:var(--gray);letter-spacing:.12em}
.nav{display:flex;gap:6px;margin-left:auto}
.nav a{
  font-size:14px;color:#56748A;padding:7px 12px;border-radius:7px;transition:.2s;
}
.nav a:hover{background:var(--violet-soft);color:var(--violet)}
.nav-toggle{display:none;background:none;border:0;color:var(--violet);cursor:pointer;padding:6px}
.cta{
  background:var(--lime);color:var(--ink);font-weight:800;font-size:14px;
  padding:10px 20px;border-radius:7px;
  box-shadow:0 8px 18px rgba(108,77,246,.2);
  transition:.2s;
}
.cta:hover{transform:translateY(-2px);background:#FF8C82}

/* hero */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(108deg,#F2FAFF 0%,#F2FAFF 58%,#1698E0 58%,#0B5C90 100%);
  padding:64px 0 78px;
}
.hero-in{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:46px;align-items:center}
.kick{
  display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--violet);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 14px;margin-bottom:18px;
}
h1{font-size:clamp(44px,6.6vw,74px);font-weight:800;color:var(--ink);letter-spacing:.02em}
h1 span{color:var(--violet);position:relative}
h1 span::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;
  background:var(--lime);z-index:-1;
}
.lead{font-size:19px;font-weight:600;color:#22485E;margin:12px 0 14px}
.desc{font-size:15px;color:#56748A;max-width:33em}
.acts{display:flex;align-items:center;gap:16px;margin:26px 0 24px}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--violet);color:#fff;font-weight:700;font-size:15px;
  padding:14px 26px;border-radius:7px;
  box-shadow:0 10px 24px rgba(108,77,246,.3);
  transition:.2s;
}
.btn svg{width:18px;height:18px}
.btn:hover{transform:translateY(-2px);background:var(--violet-2)}
.ghost{font-size:14px;font-weight:600;color:var(--violet);border-bottom:1.5px dashed var(--violet);padding-bottom:2px}
.ghost:hover{color:var(--violet-2)}
.facts{list-style:none;display:flex;gap:10px;flex-wrap:wrap}
.facts li{
  background:#fff;border:1px solid var(--line);border-radius:7px;
  padding:10px 14px;min-width:112px;
}
.facts b{display:block;font-size:14px;color:var(--violet)}
.facts span{font-size:11.5px;color:var(--gray)}

/* hero strip */
.strip{position:relative;display:flex;gap:16px;justify-content:flex-end;align-items:flex-start}
.roll{
  width:58%;border-radius:14px;overflow:hidden;
  border:5px solid rgba(255,255,255,.92);
  box-shadow:0 24px 46px rgba(20,10,50,.35);
}
.roll img{width:100%;height:440px;object-fit:cover;object-position:top center}
.strip-side{display:grid;gap:10px;align-content:start;padding-top:6px}
.dot{width:7px;height:22px;border-radius:4px;background:rgba(255,255,255,.35);display:block}
.dot.on{background:var(--lime)}
.strip-side p{font-size:12px;color:#EAF6FF;line-height:1.6;margin:4px 0 2px}
.strip-side p small{color:#87AEC6;font-size:11px}
.mini{
  width:104px;border-radius:10px;overflow:hidden;
  border:4px solid rgba(255,255,255,.92);box-shadow:0 14px 28px rgba(20,10,50,.3);
}
.tagfl{
  position:absolute;left:0;bottom:-14px;
  background:var(--lime);color:var(--ink);font-size:12px;font-weight:800;
  padding:7px 14px;border-radius:7px;
}

/* sections */
.sec{padding:76px 0;background:var(--violet-pale)}
.sec.violet{background:var(--violet-soft)}
.sh{margin-bottom:38px;max-width:44em}
.eyebrow{
  display:inline-block;font-size:11px;letter-spacing:.24em;
  color:var(--violet-2);background:#fff;border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.sec.violet .eyebrow{background:#fff}
.sh h2{font-size:clamp(25px,3.3vw,33px);color:var(--ink);font-weight:800}
.sh h2::after{content:"";display:block;width:44px;height:3px;background:var(--lime);margin-top:10px}
.sh p{font-size:14px;color:var(--gray);margin-top:10px}

/* features */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tile{
  background:var(--card);border-radius:12px;padding:22px 20px;
  border:1px solid var(--line);
  box-shadow:0 8px 22px rgba(36,28,61,.05);
  transition:.22s;
}
.tile:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(36,28,61,.11);border-color:#9FD4F2}
.ti{
  display:grid;place-items:center;width:42px;height:42px;border-radius:9px;
  background:var(--lime);color:var(--ink);margin-bottom:12px;
}
.ti svg{width:20px;height:20px}
.tile h4{font-size:16.5px;color:var(--ink);margin-bottom:6px}
.tile p{font-size:13.5px;color:#56748A}

/* screens */
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.col{
  background:#fff;border-radius:14px;padding:10px 10px 14px;
  box-shadow:0 14px 30px rgba(36,28,61,.1);
}
.col img{width:100%;height:300px;object-fit:cover;object-position:top center;border-radius:8px}
.col.lift{margin-top:-22px;box-shadow:0 20px 38px rgba(36,28,61,.18);border:2px solid var(--lime)}
.col.lift img{height:340px}
.col figcaption{font-size:12.5px;color:var(--gray);margin-top:10px;padding:0 4px}
.col figcaption b{display:block;color:var(--violet);font-size:14px;margin-bottom:2px}

/* guide */
.steps{
  list-style:none;display:grid;gap:14px;position:relative;
  padding-left:26px;border-left:2px dashed #9FD4F2;
}
.steps li{
  position:relative;display:grid;grid-template-columns:46px 1fr;gap:12px;align-items:center;
  background:#fff;border-radius:10px;padding:14px 18px;
  border:1px solid var(--line);
}
.steps li::before{
  content:"";position:absolute;left:-33px;top:50%;width:12px;height:12px;
  margin-top:-6px;border-radius:50%;background:var(--lime);border:2px solid #fff;
}
.steps b{
  font-size:13px;font-weight:800;color:var(--violet);
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--violet-soft);
}
.steps span{font-size:14.5px;color:#22485E}
.gnote{
  margin-top:18px;font-size:13px;color:#22485E;
  background:#fff;border-radius:8px;padding:12px 16px;
  border-left:3px solid var(--violet);
}

/* faq */
.qa{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.q{
  background:#fff;border-radius:10px;padding:18px 20px;
  border:1px solid var(--line);
}
.q h3{
  font-size:15.5px;color:var(--ink);display:flex;gap:9px;align-items:baseline;
}
.q h3::before{
  content:"?";color:var(--ink);background:var(--lime);font-weight:800;font-size:12px;
  width:18px;height:18px;border-radius:5px;display:grid;place-items:center;flex:0 0 auto;
  line-height:1;
}
.q p{font-size:13.5px;color:#56748A;margin-top:7px;padding-left:27px}

/* reviews */
.bubbles{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.bub{
  background:#fff;border-radius:10px;padding:20px;
  border-top:3px solid var(--violet);
  box-shadow:0 12px 26px rgba(36,28,61,.08);
}
.bub blockquote{font-size:13.8px;color:#22485E;line-height:1.8}
.who{
  display:flex;align-items:center;gap:8px;margin-top:14px;
  padding-top:10px;border-top:1px dashed var(--line);
  font-size:11.5px;color:var(--gray);
}
.who i{
  font-style:normal;width:26px;height:26px;border-radius:7px;
  display:grid;place-items:center;background:var(--lime);color:var(--ink);
  font-size:12px;font-weight:700;
}

/* get */
.get{
  background:linear-gradient(150deg,var(--violet) 0%,#094A75 72%,#5CB8EA 100%);
  color:#fff;padding:66px 0 74px;
}
.get-in{display:grid;justify-items:center;text-align:center;gap:13px}
.get img{border-radius:12px;background:#fff;padding:3px}
.get h2{font-size:clamp(25px,3.5vw,34px);font-weight:800}
.get h2 em{font-style:normal;color:var(--lime)}
.get p{font-size:14.5px;color:#D8EFFC;max-width:40em}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:4px 0 8px}
.chips span{
  font-size:12px;color:#EAF6FF;border:1px solid rgba(255,255,255,.35);
  border-radius:5px;padding:5px 12px;
}
.get .btn{background:var(--lime);color:var(--ink);box-shadow:0 12px 26px rgba(0,0,0,.18)}
.get .btn:hover{background:#FF8C82}

/* footer */
.ft{background:#E6F4FE;color:#56748A;padding:42px 0 28px;font-size:13px}
.ft-in{display:grid;gap:14px}
.ft-l{display:flex;align-items:center;gap:10px;color:var(--violet);font-size:16px}
.ft-l img{border-radius:8px}
.ft p{max-width:52em;line-height:1.8}
.ft-nav{display:flex;gap:18px;flex-wrap:wrap;padding:12px 0;border-top:1px solid #CBE5F5;border-bottom:1px solid #CBE5F5}
.ft-nav a:hover{color:var(--violet-2)}
.ft-c{color:#7A96A8;font-size:12px;line-height:1.9}

/* backtop */
.backtop{
  position:fixed;right:22px;bottom:86px;z-index:50;width:42px;height:42px;
  display:grid;place-items:center;border:0;border-radius:9px;
  background:var(--violet);color:#fff;cursor:pointer;
  box-shadow:0 10px 22px rgba(108,77,246,.3);
  opacity:0;pointer-events:none;transition:.25s;
}
.backtop.show{opacity:1;pointer-events:auto}

@media (max-width:960px){
  .hero{background:linear-gradient(170deg,#F2FAFF 0%,#EAF6FF 100%)}
  .hero-in{grid-template-columns:1fr;gap:36px}
  .strip{justify-content:center}
  .roll img{height:400px}
  .tiles{grid-template-columns:1fr 1fr}
  .cols{grid-template-columns:1fr 1fr}
  .col.lift{margin-top:0}
  .col.lift img{height:300px}
  .qa{grid-template-columns:1fr}
  .bubbles{grid-template-columns:1fr}
  .nav{
    position:fixed;left:0;right:0;top:70px;
    background:#fff;flex-direction:column;gap:0;
    padding:8px 0 14px;border-bottom:1px solid var(--line);
    display:none;
  }
  .nav.open{display:flex}
  .nav a{border-radius:0;padding:12px 6%}
  .nav-toggle{display:block;margin-left:auto}
  .cta{padding:9px 16px;font-size:13px}
}
@media (max-width:600px){
  .hero{padding:44px 0 58px}
  .sec{padding:52px 0}
  .tiles{grid-template-columns:1fr}
  .cols{grid-template-columns:1fr}
  .roll{width:64%}
  .roll img{height:330px}
  .facts li{min-width:calc(50% - 5px)}
  h1{font-size:clamp(38px,11vw,52px)}
}
.mini img{height:190px;object-fit:cover;object-position:top center}

/* 小雷达 - 冰蓝雷达盘 · 居中扫描首屏 */
:root{
  --az:#1698E0;
  --az-d:#0E77B8;
  --coral:#F0453A;
  --bg:#F2FAFF;
  --bg2:#E6F4FE;
  --ink:#0F2A3C;
  --muted:#56748A;
  --line:#CFE7F7;
}
body{background:var(--bg);color:var(--ink)}

.hd{background:rgba(255,255,255,.94);border-bottom:1px solid var(--line)}
.hd-brand b{color:var(--az-d)}
.cta{background:var(--az);color:#fff;box-shadow:0 8px 18px rgba(22,152,224,.28)}
.cta:hover{background:var(--az-d)}

/* hero */
.hero{
  position:relative;overflow:hidden;padding:56px 0 70px;
  background:
    radial-gradient(620px 520px at 84% 46%,rgba(22,152,224,.16),transparent 70%),
    linear-gradient(170deg,#F7FCFF 0%,#E9F6FF 100%);
}
.hero-in{display:grid;grid-template-columns:1.06fr .94fr;gap:40px;align-items:center}
.kick{background:#fff;border-color:var(--line);color:var(--az-d)}
h1{font-size:clamp(48px,6.8vw,80px);color:var(--ink);letter-spacing:-.02em}
h1 span{color:var(--az)}
h1 span::after{background:var(--coral);height:6px;bottom:8px;opacity:.85}
.lead{font-size:19.5px;color:#22485E;margin:12px 0 14px}
.desc{font-size:15px;color:var(--muted);max-width:34em}
.acts{margin:26px 0 22px}
.btn{background:var(--az);box-shadow:0 12px 26px rgba(22,152,224,.3)}
.btn:hover{background:var(--az-d)}
.ghost{color:var(--az-d);border-bottom-color:rgba(22,152,224,.45)}
.facts li{background:#fff;border-color:var(--line);border-radius:10px}
.facts b{color:var(--az-d)}
.facts span{color:#7A96A8}

/* radar */
.radar{position:relative;height:530px;display:grid;place-items:center}
.ring{
  position:absolute;left:50%;top:50%;border-radius:50%;
  border:1px solid rgba(22,152,224,.22);
  transform:translate(-50%,-50%);
}
.r1{width:286px;height:286px;background:radial-gradient(circle,rgba(22,152,224,.06),transparent 72%)}
.r2{width:398px;height:398px;border-style:dashed}
.r3{width:512px;height:512px}
.sweep{
  position:absolute;width:398px;height:398px;border-radius:50%;
  background:conic-gradient(from 0deg,rgba(22,152,224,.22),rgba(22,152,224,.02) 34%,transparent 46%);
  animation:sw 9s linear infinite;
}
@keyframes sw{to{transform:rotate(360deg)}}
.rphone{
  position:relative;z-index:2;width:238px;height:474px;border-radius:26px;
  overflow:hidden;border:8px solid #fff;background:#fff;
  box-shadow:0 28px 52px rgba(14,70,110,.24);
}
.rphone img{width:100%;height:100%;object-fit:cover;object-position:top center}
.rtag{
  position:absolute;z-index:3;background:#fff;border:1px solid var(--line);
  border-radius:999px;font-size:11.5px;color:var(--az-d);font-weight:700;
  padding:6px 13px;box-shadow:0 10px 22px rgba(14,70,110,.14);
}
.t1{right:4%;top:15%}
.t2{left:2%;bottom:17%}

/* sections */
.sec{background:var(--bg)}
.sec.ice{background:var(--bg2)}
.eyebrow{background:#fff;color:var(--az-d)}
.sh h2{color:var(--ink)}
.sh h2::after{background:var(--az)}
.sh p{color:var(--muted)}

/* features：双列胶囊卡 */
.pills{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.pill{
  display:grid;grid-template-columns:48px 1fr;gap:16px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;
  transition:.2s;
}
.pill:hover{border-color:#9FD4F2;transform:translateY(-3px);box-shadow:0 14px 30px rgba(14,70,110,.1)}
.pi{
  width:44px;height:44px;display:grid;place-items:center;border-radius:12px;
  background:#EAF6FF;color:var(--az-d);border:1px dashed #9FD4F2;
}
.pi svg{width:21px;height:21px}
.pill h4{font-size:16.5px;color:var(--ink)}
.pill p{font-size:13.5px;color:var(--muted);margin-top:4px}

/* screens：两张大图，说明在上 */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.dcap{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:20px 20px 0;box-shadow:0 16px 36px rgba(14,70,110,.1);
  overflow:hidden;
}
.dcap figcaption{
  font-size:13px;color:var(--muted);line-height:1.8;padding-bottom:16px;
  border-bottom:1px dashed var(--line);margin-bottom:14px;
}
.dcap figcaption b{
  display:block;font-size:17px;color:var(--az-d);margin-bottom:4px;
}
.dcap img{width:100%;height:400px;object-fit:cover;object-position:top center;border-radius:12px 12px 0 0}

/* guide：横向步骤轨 */
.route{
  list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:12px;position:relative;
}
.route::before{
  content:"";position:absolute;left:8%;right:8%;top:24px;height:2px;
  background:repeating-linear-gradient(90deg,#B9DFF5 0 8px,transparent 8px 16px);
}
.route li{position:relative;text-align:center;padding-top:0}
.route b{
  display:grid;place-items:center;width:48px;height:48px;border-radius:50%;
  margin:0 auto 12px;background:#fff;border:2px solid var(--az);color:var(--az-d);
  font-size:14px;font-weight:800;position:relative;z-index:2;
}
.route span{display:block;font-size:13.5px;color:#33566B;line-height:1.75;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 12px}
.gnote{background:#fff;border-left:3px solid var(--coral);color:var(--muted)}

/* faq */
.qlist{display:grid;border-top:2px solid var(--az)}
.qi{
  display:grid;grid-template-columns:56px 1fr 1.1fr;gap:20px;align-items:start;
  padding:20px 6px;border-bottom:1px solid var(--line);
}
.qi>span{
  font-size:15px;font-weight:800;color:var(--az);letter-spacing:.02em;padding-top:2px;
}
.qi h3{font-size:15.5px;color:var(--ink);line-height:1.6}
.qi p{font-size:13.5px;color:var(--muted);line-height:1.8}
.qi:hover{background:rgba(255,255,255,.7)}

/* reviews */
.rvrow{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rc{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--az);
  border-radius:4px 14px 14px 4px;padding:22px 20px 16px;
}
.rc blockquote{font-size:13.8px;color:#33566B;line-height:1.85}
.who{border-top:1px dashed var(--line);color:#7A96A8}
.who i{background:#EAF6FF;color:var(--az-d);border-radius:8px}

/* get */
.get{background:linear-gradient(150deg,#1698E0 0%,#0E77B8 58%,#0B5C90 100%)}
.get h2 em{color:#BFE9FF}
.get p{color:#D8F0FF}
.get .btn{background:#fff;color:#0B5C90;box-shadow:0 12px 26px rgba(0,0,0,.18)}
.get .btn:hover{background:#EAF8FF}
.chips span{color:#E2F5FF;border-color:rgba(255,255,255,.4)}

/* footer */
.ft{background:#E9F6FF;color:var(--muted)}
.ft-l{color:var(--az-d)}
.ft-nav{border-color:#CBE5F5}
.ft-c{color:#7A96A8}
.backtop{background:var(--az)}

@media (max-width:960px){
  .hero-in{grid-template-columns:1fr;gap:28px}
  .radar{height:450px;width:100%;max-width:460px;margin:0 auto;overflow:hidden}
  .r3{width:440px;height:440px}
  .r2,.sweep{width:340px;height:340px}
  .r1{width:250px;height:250px}
  .rphone{width:200px;height:400px}
  .pills{grid-template-columns:1fr}
  .duo{grid-template-columns:1fr}
  .dcap img{height:360px}
  .route{grid-template-columns:1fr 1fr}
  .route::before{display:none}
  .route li{text-align:left;display:grid;grid-template-columns:48px 1fr;gap:12px;align-items:center}
  .route b{margin:0}
  .rvrow{grid-template-columns:1fr}
  .nav{background:#fff}
}
@media (max-width:700px){
  .sec{padding:52px 0}
  .radar{height:410px}
  .rphone{width:186px;height:372px;border-width:6px}
  .t1{right:0;top:9%}
  .t2{left:0;bottom:9%}
  .route{grid-template-columns:1fr}
  .qi{grid-template-columns:42px 1fr;gap:10px}
  .qi p{grid-column:2}
  .dcap{padding:16px 14px 0}
  .dcap img{height:300px}
}

/* backtop 修复：JS 加 on 类 */
.backtop.on{opacity:1;pointer-events:auto}