/* JM天堂 - usdtgw.cn | v20261014g | 新规范:直角+纯色+硬阴影+三级层级 */
:root{
  --ink:#1a1a2e;
  --ink-2:#4a4a66;
  --ink-3:#7a7a8c;
  --paper:#ffffff;
  --mist:#f4f4f7;
  --mist-2:#ececf2;
  --orange:#FF6B35;
  --orange-deep:#D94E1F;
  --orange-tint:#FFF1EA;
  --blue:#29B6F7;
  --blue-deep:#039BE5;
  --blue-tint:#E8F7FE;
  --line:#1a1a2e;
  --line-soft:rgba(26,26,46,.12);
  --line-faint:rgba(26,26,46,.07);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--ink);background:var(--paper);line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;margin:0 auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
[id]{scroll-margin-top:84px}
.wrap{width:min(1180px,92%);margin:0 auto}

/* 入场动画 */
.fade{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.fade.on{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .fade{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition:none!important}
}

/* ============================================================
   一级大区块分隔工具:通栏水平线
   ============================================================ */
.rule{height:0;border:none;border-top:2px solid var(--line);margin:0}
.rule-orange{border-top-color:var(--orange);border-top-width:3px}
.rule-blue{border-top-color:var(--blue);border-top-width:3px}
.rule-ink{border-top-color:var(--ink);border-top-width:2px}

/* ============================================================
   顶栏 .dock  (一级:底色+底部通栏橙线)
   ============================================================ */
.dock{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:3px solid var(--orange);
}
.dock-bar{display:flex;align-items:center;gap:24px;height:64px}
.dock-brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.dock-brand img{width:38px;height:38px}
.dock-brand b{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.5px}
.dock-links{display:flex;gap:4px;margin-left:auto}
.dock-links a{
  font-size:14.5px;color:var(--ink-2);padding:7px 14px;
  border:1px solid transparent;
  transition:color .2s,border-color .2s,background .2s;
}
.dock-links a:hover{color:var(--orange-deep);background:var(--orange-tint);border-color:var(--orange)}
.dock-tap{
  flex-shrink:0;background:var(--orange);color:#fff;font-size:14px;font-weight:700;
  padding:9px 22px;border:2px solid var(--ink);
  box-shadow:4px 4px 0 var(--ink);
  transition:transform .12s,box-shadow .12s;
}
.dock-tap:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}
.dock-tap:active{transform:translate(4px,4px);box-shadow:0 0 0 var(--ink)}
.dock-burger{
  display:none;margin-left:auto;width:42px;height:42px;border:2px solid var(--line);
  background:#fff;cursor:pointer;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;
}
.dock-burger span{display:block;width:18px;height:2px;background:var(--ink)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* ============================================================
   英雄区 .gate  (一级:mist底;二级:文字组无边框+右侧visor多图叠拼硬阴影)
   ============================================================ */
.gate{background:var(--mist);padding:56px 0 72px;position:relative;overflow:hidden}
.gate-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.gate-text .badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--orange-deep);background:#fff;border:2px solid var(--orange);
  padding:5px 14px;margin-bottom:18px;
}
.gate-text .badge i{width:8px;height:8px;background:var(--blue);display:inline-block}
.gate h1{
  font-size:clamp(42px,5.2vw,60px);line-height:1.12;letter-spacing:1px;color:var(--ink);
  font-weight:900;
}
.gate h1::after{
  content:"";display:block;width:64px;height:5px;background:var(--orange);margin-top:14px;
}
.gate .intro{margin-top:18px;font-size:16px;color:var(--ink-2);max-width:520px}
.gate .chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.gate .chips span{font-size:13px;font-weight:600;padding:6px 14px;border:2px solid}
.chip-o{background:var(--orange-tint);color:var(--orange-deep);border-color:var(--orange)}
.chip-b{background:var(--blue-tint);color:var(--blue-deep);border-color:var(--blue)}
.chip-k{background:var(--ink);color:#fff;border-color:var(--ink)}
.gate .actions{display:flex;align-items:center;gap:16px;margin-top:28px}
.btn-main{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--orange);color:#fff;font-size:16px;font-weight:700;
  padding:14px 36px;border:2px solid var(--ink);
  box-shadow:5px 5px 0 var(--ink);transition:transform .12s,box-shadow .12s;
}
.btn-main:hover{transform:translate(2px,2px);box-shadow:3px 3px 0 var(--ink)}
.btn-main:active{transform:translate(5px,5px);box-shadow:0 0 0 var(--ink)}
.btn-sub{font-size:14px;color:var(--ink-2);border-bottom:2px solid transparent}
.btn-sub:hover{color:var(--orange-deep);border-bottom-color:var(--orange)}
.gate .pulse-points{display:flex;gap:22px;margin-top:26px}
.gate .pulse-points div{font-size:12.5px;color:var(--ink-2)}
.gate .pulse-points b{display:block;font-size:22px;color:var(--orange-deep);font-weight:800}

/* 英雄右视觉:visor (2台样机错位,主样机1组硬偏移阴影) */
.visor{position:relative;min-height:520px;display:flex;justify-content:center;align-items:flex-end}
.visor-main{
  position:relative;z-index:2;
  width:280px;max-width:60%;aspect-ratio:9/16;
  border:4px solid var(--paper);overflow:hidden;
  box-shadow:5px 5px 0 var(--orange);
}
.visor-main img{width:100%;height:100%;object-fit:cover}
.visor-wing{
  position:absolute;z-index:1;
  bottom:30px;right:6%;width:160px;max-width:36%;
  border:4px solid var(--paper);overflow:hidden;
  transform:rotate(6deg);
}
.visor-wing img{width:100%;aspect-ratio:9/16;object-fit:cover}

/* ============================================================
   数据脉冲 .beat  (一级:ink黑底;二级:4格白线分割,无容器边框)
   ============================================================ */
.beat{background:var(--ink);padding:36px 0;border-top:3px solid var(--orange);border-bottom:3px solid var(--blue)}
.beat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.beat-cell{
  text-align:center;padding:12px 8px;
  border-right:1px solid rgba(255,255,255,.12);
}
.beat-cell:last-child{border-right:none}
.beat-cell b{display:block;font-size:34px;font-weight:800;line-height:1.2}
.beat-cell:nth-child(1) b{color:var(--orange)}
.beat-cell:nth-child(2) b{color:var(--blue)}
.beat-cell:nth-child(3) b{color:var(--orange)}
.beat-cell:nth-child(4) b{color:var(--blue)}
.beat-cell span{font-size:13px;color:rgba(255,255,255,.55);margin-top:4px;display:block}

/* ============================================================
   平台特色 .prism  (一级:paper白底;二级:大容器ink粗边框+橙色顶条;内卡细线边框+色顶条)
   ============================================================ */
.prism{padding:68px 0;background:var(--paper)}
.prism-head{text-align:center;margin-bottom:40px}
.prism-head h2{font-size:clamp(26px,3vw,34px);font-weight:800;color:var(--ink)}
.prism-head h2::after{content:"";display:block;width:48px;height:4px;background:var(--orange);margin:12px auto 0}
.prism-head p{margin-top:10px;font-size:15px;color:var(--ink-2)}
.prism-grid{
  display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:auto auto;gap:0;
  border:2px solid var(--ink);
  position:relative;
}
.prism-grid::before{
  content:"";position:absolute;top:0;left:-2px;right:-2px;height:8px;background:var(--orange);
  border-left:2px solid var(--ink);border-right:2px solid var(--ink);
}
.px{
  padding:24px 20px;position:relative;
  border:1px solid var(--line-faint);
  background:#fff;
  transition:background .2s;
}
.px:hover{background:var(--mist)}
.px-large{grid-column:span 2}
.px::before{content:"";position:absolute;top:0;left:0;right:0;height:5px}
.px-a::before,.px-e::before{background:var(--orange)}
.px-b::before,.px-f::before{background:var(--blue)}
.px-c::before,.px-d::before{background:var(--ink)}
.px-icon{
  width:38px;height:38px;margin:6px 0 14px;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;color:#fff;
}
.px-a .px-icon,.px-e .px-icon{background:var(--orange)}
.px-b .px-icon,.px-f .px-icon{background:var(--blue)}
.px-c .px-icon,.px-d .px-icon{background:var(--ink)}
.px h3{font-size:17px;font-weight:700;margin-bottom:8px}
.px p{font-size:14px;color:var(--ink-2);line-height:1.65}

/* ============================================================
   阅读定制舱 .cockpit  (一级:mist底;二级:容器blue粗边框+橙色硬阴影错位,直角)
   ============================================================ */
.cockpit{padding:64px 0;background:var(--mist)}
.cockpit-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  background:var(--paper);border:3px solid var(--blue);padding:36px;
  position:relative;
}
.cockpit-grid::before{
  content:"";position:absolute;top:12px;left:12px;right:-12px;bottom:-12px;
  background:var(--orange);z-index:-1;
}
.cockpit-text h3{font-size:clamp(22px,2.6vw,30px);font-weight:800;margin-bottom:16px}
.cockpit-text h3::after{content:"";display:block;width:48px;height:4px;background:var(--blue);margin-top:10px}
.cockpit-text p{font-size:15px;color:var(--ink-2);margin-bottom:20px}
.cockpit-list{display:flex;flex-direction:column;gap:10px}
.cockpit-list li{
  display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink);
  background:var(--mist);border:1px solid var(--line-soft);border-left:5px solid var(--orange);
  padding:12px 16px;
}
.cockpit-list li:nth-child(even){border-left-color:var(--blue)}
.cockpit-list li i{
  width:22px;height:22px;background:var(--orange);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.cockpit-list li:nth-child(even) i{background:var(--blue)}
.cockpit-list li i::after{
  content:"";width:7px;height:4px;border:2px solid #fff;border-top:none;border-right:none;
  transform:rotate(-45deg);margin-top:-2px;
}
.cockpit-shots{display:flex;gap:14px;justify-content:center}
.cockpit-shot{
  width:170px;max-width:45%;border:4px solid var(--paper);overflow:hidden;
  box-shadow:0 6px 0 var(--ink);
}
.cockpit-shot img{width:100%;aspect-ratio:9/16;object-fit:cover}
.cockpit-shot:nth-child(2){transform:translateY(20px)}
.cockpit-shot:nth-child(3){transform:translateY(-10px)}

/* ============================================================
   追更节奏 .tempo  (一级:paper底;二级:时间线容器mist底+ink边框+橙色左粗条,直角)
   ============================================================ */
.tempo{padding:64px 0;background:var(--paper)}
.tempo-head{text-align:center;margin-bottom:48px}
.tempo-head h3{font-size:clamp(22px,2.6vw,30px);font-weight:800}
.tempo-head h3::after{content:"";display:block;width:48px;height:4px;background:var(--orange);margin:10px auto 0}
.tempo-line{
  position:relative;max-width:760px;margin:0 auto;
  background:var(--mist);padding:32px 32px 32px 52px;
  border:2px solid var(--ink);border-left:8px solid var(--orange);
}
.tempo-line::before{content:"";position:absolute;left:24px;top:32px;bottom:32px;width:3px;background:var(--orange)}
.tempo-node{position:relative;margin-bottom:28px}
.tempo-node:last-child{margin-bottom:0}
.tempo-node::before{content:"";position:absolute;left:-36px;top:4px;width:14px;height:14px;background:var(--paper);border:3px solid var(--orange)}
.tempo-node:nth-child(even)::before{border-color:var(--blue)}
.tempo-card{
  background:var(--paper);padding:16px 20px;
  border:1px solid var(--line-soft);border-top:4px solid var(--orange);
}
.tempo-node:nth-child(even) .tempo-card{border-top-color:var(--blue)}
.tempo-card time{font-size:12px;color:var(--orange-deep);font-weight:600;display:block;margin-bottom:6px}
.tempo-node:nth-child(even) .tempo-card time{color:var(--blue-deep)}
.tempo-card h4{font-size:16px;font-weight:700;margin-bottom:6px}
.tempo-card p{font-size:14px;color:var(--ink-2)}

/* ============================================================
   实拍画廊 .reel  (一级:mist底;二级:卡片paper白边框+ink硬阴影,直角;移动端横向滚动)
   ============================================================ */
.reel{padding:64px 0;background:var(--mist)}
.reel-head{text-align:center;margin-bottom:36px}
.reel-head h3{font-size:clamp(22px,2.6vw,30px);font-weight:800}
.reel-head h3::after{content:"";display:block;width:48px;height:4px;background:var(--blue);margin:10px auto 0}
.reel-head p{margin-top:8px;font-size:14px;color:var(--ink-2)}
.reel-strip{
  display:flex;gap:16px;justify-content:center;flex-wrap:wrap;
  padding:8px 4% 16px;
}
.reel-card{
  flex-shrink:0;width:260px;
  border:4px solid var(--paper);overflow:hidden;background:var(--paper);
  box-shadow:6px 6px 0 var(--ink);
}
.reel-card img{width:100%;aspect-ratio:9/16;object-fit:cover;max-width:360px}
.reel-card figcaption{padding:10px 14px;font-size:13px;color:var(--ink-2);text-align:center;border-top:1px solid var(--line-faint)}

/* ============================================================
   FAQ .probe  (一级:paper底;二级:三层叠层 橙底错位+蓝框+白内容,阴影朝下,直角)
   ============================================================ */
.probe{padding:64px 0;background:var(--paper)}
.probe-head{text-align:center;margin-bottom:36px}
.probe-head h2{font-size:clamp(26px,3vw,34px);font-weight:800}
.probe-head h2::after{content:"";display:block;width:48px;height:4px;background:var(--orange);margin:10px auto 0}
.probe-wrap{max-width:760px;margin:0 auto;position:relative}
.probe-wrap::before{
  content:"";position:absolute;top:12px;left:12px;right:-12px;bottom:-12px;
  background:var(--orange);z-index:1;
}
.probe-frame{
  position:relative;z-index:2;background:var(--blue);border:2px solid var(--ink);padding:5px;
  box-shadow:0 12px 0 rgba(26,26,46,.10);
}
.probe-list{
  background:#fff;border:1px solid var(--line-faint);padding:6px 26px 14px;
}
.pb{border-bottom:1px solid var(--line-faint);padding:2px 0}
.pb:last-child{border-bottom:none}
.pb-q{
  width:100%;display:flex;align-items:center;gap:14px;padding:16px 2px;
  background:none;border:none;cursor:pointer;text-align:left;
  font-size:15px;font-weight:600;color:var(--ink);
}
.pb-q:hover .pb-text{color:var(--orange-deep)}
.pb-num{
  flex-shrink:0;background:var(--orange);color:#fff;font-size:12.5px;font-weight:700;
  padding:3px 10px;letter-spacing:1px;
}
.pb:nth-child(even) .pb-num{background:var(--blue)}
.pb-text{flex:1;font-weight:700;letter-spacing:.5px;transition:color .2s}
.pb-ico{flex-shrink:0;width:9px;height:9px;border-right:2px solid var(--orange);border-bottom:2px solid var(--orange);transform:rotate(45deg);transition:transform .28s;margin-left:auto}
.pb.on .pb-ico{transform:rotate(225deg)}
.pb-a{max-height:0;overflow:hidden;transition:max-height .38s ease}
.pb.on .pb-a{max-height:300px}
.pb-a-inner{padding:0 2px 18px 48px}
.pb-a p{font-size:14.5px;color:var(--ink-2);line-height:1.9;text-align:justify}

/* ============================================================
   用户评价 .ripple  (一级:mist底;二级:卡片左侧色条+细线边框,直角)
   ============================================================ */
.ripple{padding:64px 0;background:var(--mist)}
.ripple-head{text-align:center;margin-bottom:36px}
.ripple-head h2{font-size:clamp(26px,3vw,34px);font-weight:800}
.ripple-head h2::after{content:"";display:block;width:48px;height:4px;background:var(--blue);margin:10px auto 0}
.ripple-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:920px;margin:0 auto}
.rp{
  position:relative;background:var(--paper);padding:24px 28px 18px;
  border:1px solid var(--line-soft);
  transition:background .2s;
}
.rp:hover{background:#fff}
.rp::before{
  content:"";position:absolute;top:0;bottom:0;left:0;width:5px;background:var(--orange);
}
.rp:nth-child(even)::before{background:var(--blue)}
.rp-mark{
  position:absolute;top:6px;right:14px;font-size:32px;line-height:1;
  color:rgba(255,107,53,.20);font-family:Georgia,serif;
}
.rp:nth-child(even) .rp-mark{color:rgba(41,182,246,.20)}
.rp-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.rp-ava{
  width:36px;height:36px;background:var(--orange-tint);color:var(--orange-deep);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex-shrink:0;
  border:1px solid var(--orange);
}
.rp:nth-child(even) .rp-ava{background:var(--blue-tint);color:var(--blue-deep);border-color:var(--blue)}
.rp-head div{flex:1}
.rp-name{font-size:14px;font-weight:700;color:var(--ink);display:block}
.rp-date{font-size:12px;color:var(--ink-2)}
.rp-stars{font-size:12px;color:var(--orange);letter-spacing:1px}
.rp-body{font-size:14px;color:var(--ink-2);line-height:1.7}

/* ============================================================
   下载终端 .capsule  (一级:ink黑底;二级:核心容器细线边框+橙色顶条,直角)
   ============================================================ */
.capsule{padding:56px 0;background:var(--ink)}
.capsule-core{
  position:relative;max-width:680px;margin:0 auto;text-align:center;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);
  padding:36px 32px;border-top:5px solid var(--orange);
}
.capsule-core img{width:56px;height:56px;margin:0 auto 16px}
.capsule-core h3{font-size:24px;font-weight:800;color:#fff;margin-bottom:8px}
.capsule-core p{font-size:14px;color:rgba(255,255,255,.62);margin-bottom:24px}
.capsule-btn{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--orange);
  color:#fff;font-size:17px;font-weight:700;padding:14px 40px;
  border:2px solid #fff;
  box-shadow:5px 5px 0 var(--blue);transition:transform .12s,box-shadow .12s;
}
.capsule-btn:hover{transform:translate(2px,2px);box-shadow:3px 3px 0 var(--blue)}
.capsule-btn:active{transform:translate(5px,5px);box-shadow:0 0 0 var(--blue)}
.capsule-alt{position:relative;text-align:center;margin-top:18px;font-size:13px;color:rgba(255,255,255,.45)}
.capsule-alt a{color:var(--blue);border-bottom:1px solid var(--blue)}

/* ============================================================
   页脚 .anchor  (一级:更深黑底,与capsule形成对比)
   ============================================================ */
.anchor{background:#0a0a16;padding:32px 0;text-align:center;border-top:2px solid var(--orange)}
.anchor p{font-size:13px;color:rgba(255,255,255,.38);margin-bottom:6px}
.anchor a{color:var(--blue);border-bottom:1px solid var(--blue)}

/* ============================================================
   返回顶部 .lift  (直角方块,ink底+橙边,可见向上箭头)
   ============================================================ */
.lift{
  position:fixed;right:24px;bottom:160px;z-index:55;
  width:46px;height:46px;
  background:var(--ink);color:#fff;border:2px solid var(--orange);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  opacity:0;pointer-events:none;transition:opacity .3s;
  box-shadow:3px 3px 0 var(--orange);
}
.lift.on{opacity:1;pointer-events:auto}
.lift:hover{background:var(--orange)}
.lift svg{width:20px;height:20px}

/* ============================================================
   响应式
   ============================================================ */
@media(max-width:768px){
  [id]{scroll-margin-top:72px}
  .dock-links{display:none}
  .dock-links.on{
    display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;
    background:#fff;padding:12px 5%;border-bottom:2px solid var(--orange);gap:0;
  }
  .dock-links.on a{padding:12px 14px;border:1px solid var(--line-faint)}
  .dock-burger{display:flex}
  .dock-tap{padding:7px 14px;font-size:13px;box-shadow:3px 3px 0 var(--ink)}

  .gate{padding:40px 0 48px}
  .gate-grid{grid-template-columns:1fr;gap:32px}
  .visor{min-height:380px;max-width:360px;margin:0 auto}
  .visor-main{width:210px;max-width:56%}
  .visor-wing{width:130px;max-width:32%;bottom:16px}

  .beat-row{grid-template-columns:repeat(2,1fr)}
  .beat-cell{border-bottom:1px solid rgba(255,255,255,.12)}
  .beat-cell:nth-child(3),.beat-cell:nth-child(4){border-bottom:none}
  .beat-cell b{font-size:26px}

  .prism-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto;padding:0;gap:0}
  .px-large{grid-column:span 2}
  .px{padding:16px 14px}

  .cockpit-grid{grid-template-columns:1fr;gap:32px;padding:20px}
  .cockpit-grid::before{top:8px;left:8px;right:-8px;bottom:-8px}
  .cockpit-shots{flex-wrap:wrap}
  .cockpit-shot{width:140px}

  .ripple-grid{grid-template-columns:1fr}

  .reel-strip{flex-wrap:nowrap;overflow-x:auto;scroll-snap-type:x mandatory;justify-content:flex-start;-webkit-overflow-scrolling:touch;padding:8px 4% 16px}
  .reel-strip::-webkit-scrollbar{height:4px}
  .reel-strip::-webkit-scrollbar-thumb{background:var(--line-soft)}

  .tempo-line{padding:20px 20px 20px 48px}
  .tempo-line::before{left:24px;top:20px;bottom:20px}
  .tempo-node::before{left:-30px}

  .lift{bottom:96px;right:16px}
  .probe-wrap::before{top:8px;left:8px;right:-8px;bottom:-8px}
  .probe-frame{box-shadow:0 8px 0 rgba(26,26,46,.10)}
}