/* 异次元 - 二次元漫画与番剧 */
:root{
  --violet:#1FA7DC;
  --violet-2:#157FA9;
  --violet-soft:#DFF3FB;
  --violet-pale:#F5FBFE;
  --lime:#FFD84D;
  --ink:#16303D;
  --gray:#5C7280;
  --line:#D5EAF3;
  --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:#4C6270;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(31,167,220,.2);
  transition:.2s;
}
.cta:hover{transform:translateY(-2px);background:#FFE071}

/* hero */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(108deg,#F5FBFE 0%,#F5FBFE 58%,#1FA7DC 58%,#5A3BE8 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:#1E3C4A;margin:12px 0 14px}
.desc{font-size:15px;color:#4C6270;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(31,167,220,.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(6,40,54,.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:#DAF1FA;line-height:1.6;margin:4px 0 2px}
.strip-side p small{color:#A6D8EA;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(6,40,54,.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(22,48,61,.05);
  transition:.22s;
}
.tile:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(22,48,61,.11);border-color:#A9D9EA}
.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:#4C6270}

/* 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(22,48,61,.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(22,48,61,.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 #A9D9EA;
}
.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:#1E3C4A}
.gnote{
  margin-top:18px;font-size:13px;color:#1E3C4A;
  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:#4C6270;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(22,48,61,.08);
}
.bub blockquote{font-size:13.8px;color:#1E3C4A;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%,#0F6C91 72%,#43C0EC 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:#CBEAF6;max-width:40em}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:4px 0 8px}
.chips span{
  font-size:12px;color:#DAF1FA;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:#FFE071}

/* footer */
.ft{background:#DFF3FB;color:#4C6270;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 #C6E4F0;border-bottom:1px solid #C6E4F0}
.ft-nav a:hover{color:var(--violet-2)}
.ft-c{color:#7E939E;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(31,167,220,.3);
  opacity:0;pointer-events:none;transition:.25s;
}
.backtop.show{opacity:1;pointer-events:auto}

@media (max-width:960px){
  .hero{background:linear-gradient(170deg,#F5FBFE 0%,#ECF8FD 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}

/* 149 猪猪游戏库 专属版式：居中标题 + 胶片带三图 */
.hero{
  padding:58px 0 0;text-align:center;color:#fff;
  background:linear-gradient(180deg,#0C5C79 0%,#0A4860 62%,#083A4E 100%);
}
.hero::before{
  content:"";position:absolute;left:50%;top:-26%;width:70%;height:70%;transform:translateX(-50%);
  background:radial-gradient(closest-side,rgba(31,167,220,.5),transparent 70%);
}
.hero-head{position:relative;z-index:2;max-width:780px}
.hero .kick{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24);color:var(--lime)}
.hero h1{color:#fff}
.hero h1 span{color:var(--lime)}
.hero h1 span::after{background:#FF7FA8;opacity:.85;bottom:5px}
.hero .lead{color:#D7F0FA}
.hero .desc{color:#BFDCe8;margin:0 auto;max-width:37em}
.hero .acts{justify-content:center}
.hero .ghost{color:var(--lime);border-color:var(--lime)}
.hero .facts{justify-content:center;margin-bottom:6px}
.hero .facts li{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16)}
.hero .facts b{color:var(--lime)}
.hero .facts span{color:#BFDCE8}
.hero .btn{background:#1FA7DC}
.hero .btn:hover{background:#157FA9}
.film{
  position:relative;z-index:2;display:flex;justify-content:center;align-items:flex-end;gap:20px;
  margin-top:32px;padding:40px 18px 30px;background:#06303F;overflow:hidden;
  border-top:2px solid rgba(255,255,255,.14);
}
.film::before,.film::after{
  content:"";position:absolute;left:0;right:0;height:10px;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.5) 0 12px,transparent 12px 36px);
}
.film::before{top:10px}
.film::after{bottom:10px}
.fg{
  width:206px;border-radius:8px;overflow:hidden;background:#0A2A36;
  border:3px solid rgba(255,255,255,.85);box-shadow:0 20px 38px rgba(0,0,0,.42);
  transform:rotate(-2deg);
}
.fg.up{width:244px;transform:translateY(-14px);z-index:2}
.fg img{width:100%;height:346px;object-fit:cover;object-position:top center}
.fg.up img{height:392px}
.fg figcaption{
  background:#fff;color:#16303D;font-size:12px;font-weight:700;
  padding:8px 0;letter-spacing:.08em;
}
.sec.aqua{background:linear-gradient(180deg,#E8F7FD 0%,#F5FBFE 100%)}
.ti{background:#1FA7DC;color:#fff}
.facts b{color:#157FA9}
.sh h2::after{background:#1FA7DC}
.fan{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start;padding-top:16px}
.fancard{
  background:#fff;border-radius:14px;padding:10px 10px 14px;
  box-shadow:0 16px 32px rgba(16,48,61,.12);
  transform:rotate(-2deg);
}
.fancard.up{transform:translateY(-18px) rotate(0deg);z-index:2;box-shadow:0 22px 40px rgba(16,48,61,.18)}
.fancard:last-child{transform:rotate(2deg)}
.fancard img{width:100%;height:330px;object-fit:cover;object-position:top center;border-radius:9px}
.fancard.up img{height:360px}
.fancard figcaption{font-size:12.5px;color:var(--gray);margin-top:11px;padding:0 5px;line-height:1.7}
.fancard figcaption b{display:block;color:#157FA9;font-size:15px;margin-bottom:2px}
.steps{border-left-color:#A9D9EA}
.steps li::before{background:#1FA7DC}
.steps b{background:#E3F5FC;color:#157FA9}
.gnote{border-left-color:#1FA7DC}
@media (max-width:960px){
  .hero{padding-top:46px}
  .fg{width:170px}
  .fg img{height:290px}
  .fg.up{width:200px}
  .fg.up img{height:330px}
  .fan{grid-template-columns:1fr 1fr}
  .fancard:last-child{transform:rotate(0)}
  .fancard img{height:300px}
}
@media (max-width:600px){
  .film{gap:10px;padding:34px 10px 26px}
  .fg{width:104px;border-width:2px}
  .fg img{height:184px}
  .fg.up{width:132px}
  .fg.up img{height:220px}
  .fg figcaption{font-size:10.5px;padding:6px 0}
  .fan{grid-template-columns:1fr}
  .fancard,.fancard.up,.fancard:last-child{transform:none}
  .fancard img,.fancard.up img{height:310px}
}

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