/* roulang page: index */
:root{
  --bg0:#061119;
  --bg1:#0A1A24;
  --bg2:#0E232E;
  --pri:#2FE3C4;
  --pri-d:#12A88E;
  --acc:#FF7A4D;
  --acc-d:#E85C2E;
  --warn:#FFC24B;
  --t1:#EAF6F4;
  --t2:#A6BCC2;
  --t3:#7A9099;
  --line:rgba(126,232,214,.14);
  --glass:rgba(255,255,255,.045);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --sh-card:0 24px 48px -32px rgba(0,0,0,.9);
  --sh-pri:0 0 0 1px rgba(47,227,196,.30), 0 10px 30px -12px rgba(47,227,196,.55);
  --sh-acc:0 0 0 1px rgba(255,122,77,.32), 0 10px 30px -12px rgba(255,122,77,.58);
  --shell-w:84px;
  --shell-w2:260px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg0);
  color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(126,232,214,.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126,232,214,.032) 1px, transparent 1px);
  background-size:52px 52px;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 78% -6%, rgba(47,227,196,.16), transparent 62%),
    radial-gradient(700px 420px at 4% 12%, rgba(255,122,77,.09), transparent 60%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;background:transparent;}
a:hover,a:focus{color:var(--pri);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--t1);letter-spacing:-.01em;}
p{margin:0;}
::selection{background:rgba(47,227,196,.28);color:#fff;}
:focus-visible{outline:2px solid var(--pri);outline-offset:2px;border-radius:6px;}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.grid-x{margin-left:0;margin-right:0;}
.grid-x>.cell{padding-left:0;padding-right:0;}

/* ---------- 左侧 App Shell ---------- */
.ly-shell{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--shell-w);
  background:linear-gradient(180deg, rgba(10,26,36,.96), rgba(6,17,25,.98));
  border-right:1px solid var(--line);
  z-index:60;
  transition:width .28s ease;
  padding:18px 12px 16px;
  display:flex;
  flex-direction:column;
  gap:14px;
  backdrop-filter:blur(14px) saturate(140%);
}
.ly-shell:hover,.ly-shell:focus-within{width:var(--shell-w2);box-shadow:24px 0 60px -40px rgba(0,0,0,.95);}
.ly-brand{
  display:flex;
  align-items:center;
  gap:12px;
  height:52px;
  padding:0 6px;
  border-radius:var(--r-m);
  overflow:visible;
}
.ly-brand-mark{
  flex:0 0 40px;
  width:40px;height:40px;
  border-radius:14px;
  background:linear-gradient(140deg,var(--pri),var(--pri-d));
  color:#04211C;
  font-weight:800;
  font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 22px -12px rgba(47,227,196,.85);
}
.ly-brand-name{
  font-size:15px;
  font-weight:700;
  white-space:nowrap;
  color:var(--t1);
  max-width:0;
  opacity:0;
  overflow:hidden;
  transition:max-width .28s ease,opacity .2s ease;
}
.ly-shell:hover .ly-brand-name,.ly-shell:focus-within .ly-brand-name{max-width:200px;opacity:1;}
.ly-nav{display:flex;flex-direction:column;gap:4px;margin-top:4px;}
.ly-nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:14px;
  height:48px;
  padding:0 14px;
  border-radius:var(--r-m);
  color:var(--t2);
  font-size:14px;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.ly-nav-item i{width:20px;flex:0 0 20px;text-align:center;font-size:16px;}
.ly-nav-item .ly-nav-label{
  max-width:0;opacity:0;overflow:hidden;
  transition:max-width .28s ease,opacity .22s ease;
}
.ly-shell:hover .ly-nav-item .ly-nav-label,
.ly-shell:focus-within .ly-nav-item .ly-nav-label{max-width:190px;opacity:1;}
.ly-nav-item::before{
  content:"";
  position:absolute;left:0;top:10px;bottom:10px;
  width:3px;border-radius:3px;
  background:transparent;
  transition:background .2s ease,box-shadow .2s ease;
}
.ly-nav-item:hover{background:rgba(255,255,255,.05);color:var(--t1);transform:translateX(1px);}
.ly-nav-item.is-active{background:rgba(47,227,196,.08);color:var(--t1);}
.ly-nav-item.is-active::before{background:var(--pri);box-shadow:0 0 12px rgba(47,227,196,.9);}
.ly-tip{
  position:absolute;left:calc(100% + 10px);top:50%;
  transform:translateY(-50%);
  background:var(--bg2);
  border:1px solid var(--line);
  color:var(--t1);
  font-size:12px;
  padding:6px 10px;
  border-radius:var(--r-s);
  white-space:nowrap;
  opacity:0;
  pointer-events:none;
  transition:opacity .18s ease;
  z-index:5;
}
.ly-shell:not(:hover):not(:focus-within) .ly-nav-item:hover .ly-tip{opacity:1;}
.ly-shell-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;}
.ly-shell-sep{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);}
.ly-shell-btn{
  display:flex;align-items:center;justify-content:center;gap:10px;
  height:48px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--acc),var(--acc-d));
  color:#2B0F05;font-weight:800;font-size:14px;
  box-shadow:var(--sh-acc);
  white-space:nowrap;
  overflow:hidden;
  padding:0 12px;
  transition:transform .2s ease,filter .2s ease;
}
.ly-shell-btn span{max-width:0;opacity:0;overflow:hidden;transition:max-width .28s ease,opacity .2s ease;}
.ly-shell:hover .ly-shell-btn span,.ly-shell:focus-within .ly-shell-btn span{max-width:150px;opacity:1;}
.ly-shell-btn:hover{filter:brightness(1.06);transform:translateY(-2px);color:#2B0F05;}
.ly-shell-btn:active{transform:translateY(0);}

/* ---------- 移动端顶栏与抽屉 ---------- */
.ly-topbar{
  position:fixed;top:0;left:0;right:0;height:56px;
  display:none;align-items:center;gap:12px;
  padding:0 14px;
  background:rgba(8,20,28,.86);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  z-index:70;
}
.ly-topbar .ly-brand-mark{flex:0 0 34px;width:34px;height:34px;border-radius:11px;font-size:15px;}
.ly-topbar-name{font-size:14px;font-weight:700;letter-spacing:.02em;}
.ly-burger{
  width:38px;height:38px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);
  color:var(--t1);display:flex;align-items:center;justify-content:center;
  cursor:pointer;
}
.ly-topbar-cta{
  margin-left:auto;
  height:36px;padding:0 16px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--acc),var(--acc-d));
  color:#2B0F05;font-weight:800;font-size:13px;
  display:inline-flex;align-items:center;
  box-shadow:var(--sh-acc);
}
.ly-mask{
  position:fixed;inset:0;background:rgba(3,10,14,.62);
  backdrop-filter:blur(3px);z-index:78;opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.ly-mask.is-open{opacity:1;pointer-events:auto;}
.ly-drawer{
  position:fixed;top:0;left:0;bottom:0;width:300px;max-width:86vw;
  background:linear-gradient(180deg,rgba(10,26,36,.99),rgba(6,17,25,.99));
  border-right:1px solid var(--line);
  z-index:80;transform:translateX(-102%);
  transition:transform .28s ease;
  padding:20px 16px;
  display:flex;flex-direction:column;gap:14px;
  overflow-y:auto;
}
.ly-drawer.is-open{transform:translateX(0);}
.ly-drawer-head{display:flex;align-items:center;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.ly-drawer-close{
  margin-left:auto;width:34px;height:34px;border-radius:10px;
  background:var(--glass);border:1px solid var(--line);color:var(--t1);cursor:pointer;
}
.ly-drawer .ly-nav-item .ly-nav-label{max-width:190px;opacity:1;}
.ly-drawer .ly-nav-item{color:var(--t2);}
.ly-drawer-foot{margin-top:auto;padding-top:14px;}

/* ---------- 主体 ---------- */
.ly-main{position:relative;z-index:1;}
.ly-container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.ly-section{padding:88px 0;position:relative;}
.ly-section-head{margin-bottom:34px;max-width:760px;}
.ly-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(47,227,196,.10);
  border:1px solid rgba(47,227,196,.22);
  color:var(--pri);font-size:12px;font-weight:700;letter-spacing:.06em;
}
.ly-h2{font-size:clamp(22px,2.2vw,30px);line-height:1.3;font-weight:700;margin:14px 0 10px;}
.ly-sub{color:var(--t2);font-size:15px;}
.ly-accent{color:var(--pri);}

/* Hero */
.ly-hero{padding:56px 0 72px;position:relative;overflow:hidden;}
.ly-hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.20;filter:saturate(115%);
}
.ly-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,17,25,.55),rgba(6,17,25,.94) 78%,var(--bg0));
  pointer-events:none;
}
.ly-hero .ly-container{position:relative;z-index:2;}
.ly-hero-grid{display:flex;flex-wrap:wrap;gap:56px;align-items:center;}
.ly-hero-grid>.cell{width:auto;flex:1 1 420px;padding:0;min-width:0;}
.ly-hero h1{font-size:clamp(30px,3.2vw,44px);line-height:1.2;font-weight:800;letter-spacing:-.02em;}
.ly-hero-sub{color:var(--t2);font-size:16px;margin-top:18px;max-width:520px;}
.ly-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.ly-hero-trust{
  display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:28px;
  color:var(--t3);font-size:13px;
}
.ly-hero-trust span{display:inline-flex;align-items:center;gap:8px;}
.ly-hero-trust span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--pri);box-shadow:0 0 8px rgba(47,227,196,.9);}
.ly-hero-trust span+span{border-left:1px solid var(--line);padding-left:18px;}
.ly-hero-media{display:flex;justify-content:center;}
.ly-phone{
  position:relative;
  width:min(320px,100%);
  aspect-ratio:9/16;
  border-radius:var(--r-l);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.10);
  background:var(--bg2);
  box-shadow:0 40px 80px -50px rgba(0,0,0,1), 0 0 0 1px rgba(47,227,196,.16), 0 0 90px -30px rgba(47,227,196,.45);
}
.ly-phone img{width:100%;height:100%;object-fit:cover;opacity:.92;}
.ly-phone::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,17,25,.05) 30%,rgba(6,17,25,.86));
}
.ly-phone-tag{
  position:absolute;top:14px;left:14px;z-index:3;
  height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(10px);
  color:#fff;font-size:12px;display:inline-flex;align-items:center;gap:6px;
}
.ly-play{
  position:absolute;z-index:4;left:50%;top:46%;
  transform:translate(-50%,-50%);
  width:66px;height:66px;border-radius:50%;
  border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--pri),var(--pri-d));
  color:#04211C;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-pri);
  transition:transform .2s ease;
}
.ly-play:hover{transform:translate(-50%,-50%) scale(1.06);}
.ly-phone-foot{
  position:absolute;left:16px;right:16px;bottom:16px;z-index:4;
  display:flex;flex-direction:column;gap:10px;
}
.ly-progress{height:4px;border-radius:4px;background:rgba(255,255,255,.16);overflow:hidden;}
.ly-progress span{display:block;height:100%;width:36%;background:linear-gradient(90deg,var(--pri),var(--warn));border-radius:4px;}
.ly-phone-meta{display:flex;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.78);}
.ly-float-chip{
  position:absolute;right:-10px;top:20%;z-index:5;
  background:rgba(255,122,77,.16);
  border:1px solid rgba(255,122,77,.38);
  color:#FFD9C9;
  font-size:12px;padding:6px 12px;border-radius:var(--r-pill);
  backdrop-filter:blur(10px);
}

/* 按钮 */
.ly-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;cursor:pointer;border:0;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
  white-space:nowrap;
}
.ly-btn-pri{background:linear-gradient(135deg,var(--pri),var(--pri-d));color:#04211C;box-shadow:var(--sh-pri);}
.ly-btn-pri:hover{transform:translateY(-2px);filter:brightness(1.05);color:#04211C;}
.ly-btn-acc{background:linear-gradient(135deg,var(--acc),var(--acc-d));color:#2B0F05;box-shadow:var(--sh-acc);}
.ly-btn-acc:hover{transform:translateY(-2px);filter:brightness(1.05);color:#2B0F05;}
.ly-btn-ghost{background:var(--glass);border:1px solid rgba(255,255,255,.12);color:var(--t1);}
.ly-btn-ghost:hover{border-color:var(--pri);color:var(--pri);transform:translateY(-2px);}
.ly-btn-sm{height:40px;padding:0 20px;font-size:14px;}
.ly-btn:active{transform:translateY(1px);}

/* 横滚片段带 */
.ly-strip-wrap{position:relative;}
.ly-strip{
  display:flex;gap:18px;
  overflow-x:auto;overflow-y:hidden;
  padding:6px 4px 22px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
  scrollbar-color:rgba(47,227,196,.35) transparent;
}
.ly-strip::-webkit-scrollbar{height:8px;}
.ly-strip::-webkit-scrollbar-thumb{background:rgba(47,227,196,.32);border-radius:8px;}
.ly-strip::-webkit-scrollbar-track{background:transparent;}
.ly-clip{
  position:relative;
  flex:0 0 auto;
  width:clamp(180px,42vw,240px);
  aspect-ratio:9/16;
  border-radius:var(--r-l);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  background:var(--bg2);
  scroll-snap-align:start;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.ly-clip img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;opacity:.88;}
.ly-clip::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 42%,rgba(6,17,25,.9));
}
.ly-clip:hover{transform:translateY(-4px);border-color:rgba(47,227,196,.4);box-shadow:0 30px 60px -40px rgba(47,227,196,.7);}
.ly-clip:hover img{transform:scale(1.05);}
.ly-clip-time{
  position:absolute;right:12px;top:12px;z-index:3;
  font-size:12px;padding:4px 9px;border-radius:var(--r-pill);
  background:rgba(6,17,25,.6);border:1px solid rgba(255,255,255,.14);
  color:#fff;backdrop-filter:blur(8px);
}
.ly-clip-meta{position:absolute;left:14px;right:14px;bottom:14px;z-index:3;display:flex;flex-direction:column;gap:4px;}
.ly-clip-meta strong{font-size:15px;font-weight:700;color:#fff;}
.ly-clip-meta span{font-size:12px;color:rgba(255,255,255,.7);}

/* 编号清单 */
.ly-rank-list{border-top:1px solid var(--line);}
.ly-rank-row{
  display:flex;gap:22px;align-items:flex-start;
  padding:22px 18px 22px 10px;
  border-bottom:1px solid var(--line);
  position:relative;
  transition:background .25s ease;
}
.ly-rank-row::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:transparent;transition:background .25s ease,box-shadow .25s ease;
}
.ly-rank-row:hover{background:rgba(255,255,255,.035);}
.ly-rank-row:hover::before{background:var(--pri);box-shadow:0 0 14px rgba(47,227,196,.85);}
.ly-rank-no{
  flex:0 0 62px;
  font-size:32px;font-weight:800;line-height:1.2;
  color:transparent;
  -webkit-text-stroke:1.4px rgba(47,227,196,.55);
  font-variant-numeric:tabular-nums;
}
.ly-rank-body h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.ly-rank-body p{color:var(--t2);font-size:14px;max-width:760px;}
.ly-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.ly-tag{
  height:22px;padding:0 10px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;
  font-size:12px;color:var(--pri);
  background:rgba(47,227,196,.10);border:1px solid rgba(47,227,196,.2);
}
.ly-tag-warn{color:var(--warn);background:rgba(255,194,75,.10);border-color:rgba(255,194,75,.24);}

/* 口碑带 */
.ly-voices{
  display:flex;gap:16px;overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x proximity;
}
.ly-voices::-webkit-scrollbar{height:6px;}
.ly-voices::-webkit-scrollbar-thumb{background:rgba(126,232,214,.22);border-radius:6px;}
.ly-voice{
  flex:0 0 auto;width:290px;max-width:80vw;
  padding:18px 20px;border-radius:var(--r-m);
  background:var(--glass);
  border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(14px) saturate(140%);
  scroll-snap-align:start;
}
.ly-voice-head{display:flex;align-items:center;gap:10px;}
.ly-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--pri),var(--pri-d));display:flex;align-items:center;justify-content:center;color:#04211C;font-weight:800;font-size:14px;flex:0 0 34px;}
.ly-voice-name{font-size:14px;font-weight:600;}
.ly-voice-time{font-size:12px;color:var(--t3);margin-left:auto;}
.ly-stars{color:var(--warn);font-size:12px;letter-spacing:2px;margin:10px 0 6px;}
.ly-voice p{font-size:14px;color:var(--t2);}

/* 最新信息 */
.ly-news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.ly-news-card{
  border-radius:var(--r-m);
  background:linear-gradient(180deg,rgba(14,35,46,.96),rgba(10,26,36,.96));
  border:1px solid rgba(255,255,255,.07);
  box-shadow:var(--sh-card);
  overflow:hidden;
  position:relative;
  display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.ly-news-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,196,.55),transparent);
}
.ly-news-card:hover{transform:translateY(-3px);border-color:rgba(47,227,196,.38);box-shadow:0 30px 60px -40px rgba(47,227,196,.6);}
.ly-news-thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg2);}
.ly-news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;opacity:.9;}
.ly-news-card:hover .ly-news-thumb img{transform:scale(1.04);}
.ly-news-badge{
  position:absolute;left:12px;top:12px;
  height:22px;padding:0 10px;border-radius:var(--r-pill);
  background:rgba(6,17,25,.72);border:1px solid rgba(47,227,196,.3);
  color:var(--pri);font-size:12px;display:inline-flex;align-items:center;
  backdrop-filter:blur(8px);
}
.ly-news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.ly-news-title{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ly-news-desc{color:var(--t2);font-size:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.ly-news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:10px;border-top:1px solid var(--line);font-size:12px;color:var(--t3);}
.ly-news-meta a{color:var(--pri);font-weight:600;}
.ly-empty{
  grid-column:1/-1;
  text-align:center;
  padding:52px 24px;
  border-radius:var(--r-m);
  border:1px dashed rgba(126,232,214,.28);
  background:rgba(255,255,255,.02);
  color:var(--t2);
}
.ly-empty i{font-size:26px;color:var(--pri);display:block;margin-bottom:12px;}

/* 频道入口 */
.ly-channels{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:18px;}
.ly-chan{
  position:relative;
  border-radius:var(--r-m);
  padding:22px 22px 20px;
  background:linear-gradient(160deg,rgba(14,35,46,.95),rgba(9,23,31,.95));
  border:1px solid rgba(255,255,255,.07);
  display:flex;flex-direction:column;gap:10px;
  min-height:150px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.ly-chan:hover{transform:translateY(-4px);border-color:rgba(47,227,196,.42);box-shadow:0 30px 60px -42px rgba(47,227,196,.7);}
.ly-chan i{font-size:18px;color:var(--pri);}
.ly-chan strong{font-size:16px;font-weight:700;}
.ly-chan span{font-size:13px;color:var(--t2);}
.ly-chan-a{grid-column:span 3;}
.ly-chan-b{grid-column:span 3;}
.ly-chan-c{grid-column:span 2;}
.ly-chan-d{grid-column:span 2;}
.ly-chan-e{grid-column:span 2;}

/* FAQ */
.ly-faq{max-width:900px;}
.ly-faq details{
  border-bottom:1px solid var(--line);
}
.ly-faq summary{
  list-style:none;cursor:pointer;
  min-height:52px;display:flex;align-items:center;gap:16px;
  padding:14px 4px;font-size:16px;font-weight:600;color:var(--t1);
  transition:color .2s ease;
}
.ly-faq summary::-webkit-details-marker{display:none;}
.ly-faq summary::after{
  content:"+";margin-left:auto;font-size:20px;font-weight:400;color:var(--pri);
  transition:transform .25s ease;line-height:1;
}
.ly-faq details[open] summary::after{transform:rotate(45deg);}
.ly-faq summary:hover{color:var(--pri);}
.ly-faq .ly-faq-body{padding:0 4px 20px;font-size:15px;color:var(--t2);}

/* 底部 CTA */
.ly-cta{
  position:relative;overflow:hidden;
  border-radius:var(--r-l);
  padding:44px 42px;
  background-image:linear-gradient(120deg,rgba(6,17,25,.94),rgba(6,17,25,.74)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  border:1px solid rgba(47,227,196,.24);
  display:flex;align-items:center;gap:32px;flex-wrap:wrap;
}
.ly-cta h2{font-size:clamp(20px,2vw,26px);font-weight:700;}
.ly-cta p{color:var(--t2);font-size:15px;margin-top:10px;max-width:620px;}
.ly-cta .ly-cta-act{margin-left:auto;display:flex;gap:14px;flex-wrap:wrap;}

/* 右侧粘性栏 */
.ly-layout{display:block;}
.ly-rail{display:none;}
.ly-rail-card{
  border-radius:var(--r-m);
  padding:20px;
  background:var(--glass);
  border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(14px) saturate(140%);
  margin-bottom:18px;
}
.ly-rail-card h3{font-size:15px;font-weight:700;margin-bottom:14px;}
.ly-rail-tags{display:flex;flex-wrap:wrap;gap:8px;}
.ly-rail-list{display:flex;flex-direction:column;gap:12px;}
.ly-rail-list a{display:flex;gap:10px;font-size:14px;color:var(--t2);}
.ly-rail-list a:hover{color:var(--pri);}
.ly-rail-list i{color:var(--pri);font-size:12px;margin-top:6px;}

/* 页脚 */
.ly-footer{
  position:relative;z-index:1;
  background:var(--bg0);
  border-top:1px solid var(--line);
  padding:64px 0 26px;
  margin-top:24px;
}
.ly-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.ly-footer h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--t1);}
.ly-footer p{color:var(--t2);font-size:14px;}
.ly-foot-links{display:flex;flex-direction:column;gap:10px;}
.ly-foot-links a{color:var(--t2);font-size:14px;transition:color .2s ease,transform .2s ease;display:inline-block;}
.ly-foot-links a:hover{color:var(--pri);transform:translateX(3px);}
.ly-footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.ly-footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:var(--t3);font-size:13px;
}
.ly-footer-bottom a{color:var(--t3);}
.ly-footer-bottom a:hover{color:var(--pri);}

/* 移动端 sticky CTA */
.ly-mobile-cta{
  position:fixed;left:0;right:0;bottom:0;height:56px;z-index:65;
  display:none;align-items:center;gap:12px;
  padding:0 14px calc(0px + env(safe-area-inset-bottom, 0px));
  background:rgba(8,20,28,.92);
  backdrop-filter:blur(14px) saturate(140%);
  border-top:1px solid var(--line);
}
.ly-mobile-cta span{font-size:13px;color:var(--t2);}
.ly-mobile-cta a{
  margin-left:auto;height:38px;padding:0 20px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--acc),var(--acc-d));color:#2B0F05;
  font-weight:800;font-size:14px;display:inline-flex;align-items:center;
  box-shadow:var(--sh-acc);
}

@keyframes lyIn{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:none;}}
.ly-anim{animation:lyIn .6s ease both;}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* 断点 */
@media (min-width:1024px){
  .ly-main{margin-left:var(--shell-w);}
}
@media (min-width:1440px){
  .ly-layout{display:flex;gap:28px;align-items:flex-start;}
  .ly-col-main{flex:1 1 auto;min-width:0;max-width:1180px;}
  .ly-rail{display:block;flex:0 0 320px;width:320px;position:sticky;top:24px;}
  .ly-container{max-width:1560px;padding:0 32px;}
  .ly-hero .ly-container,.ly-section .ly-container{max-width:1560px;}
}
@media (max-width:1439px){
  .ly-container{max-width:1180px;}
}
@media (max-width:1023px){
  .ly-shell{display:none;}
  .ly-topbar{display:flex;}
  .ly-main{margin-left:0;padding-top:56px;}
  .ly-section{padding:56px 0;}
  .ly-hero{padding:36px 0 52px;}
  .ly-cta{padding:32px 24px;}
  .ly-cta .ly-cta-act{margin-left:0;width:100%;}
  .ly-footer{padding-bottom:96px;}
  .ly-mobile-cta{display:flex;}
}
@media (max-width:900px){
  .ly-channels{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ly-chan-a,.ly-chan-b,.ly-chan-c,.ly-chan-d,.ly-chan-e{grid-column:span 1;}
  .ly-footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .ly-hero-grid{gap:36px;}
  .ly-news-grid{grid-template-columns:1fr;}
  .ly-rank-no{flex:0 0 48px;font-size:26px;}
  .ly-rank-row{gap:14px;padding:18px 8px;}
  .ly-footer-grid{grid-template-columns:1fr;gap:28px;}
  .ly-hero-trust span+span{border-left:0;padding-left:0;}
}
@media (max-width:520px){
  body{font-size:15px;line-height:1.8;}
  .ly-container{padding:0 16px;}
  .ly-channels{grid-template-columns:1fr;}
  .ly-btn{height:46px;padding:0 20px;font-size:14px;}
  .ly-hero-actions .ly-btn{flex:1 1 100%;}
  .ly-float-chip{display:none;}
  .ly-news-body{padding:16px 16px 18px;}
  .ly-cta{padding:26px 18px;}
}

/* roulang page: article */
:root{
  --bg0:#061119;
  --bg1:#0A1A24;
  --bg2:#0E232E;
  --pri:#2FE3C4;
  --pri-d:#12A88E;
  --acc:#FF7A4D;
  --acc-d:#E85C2E;
  --warn:#FFC24B;
  --t1:#EAF6F4;
  --t2:#A6BCC2;
  --t3:#7A9099;
  --line:rgba(126,232,214,.14);
  --glass:rgba(255,255,255,.045);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --sh-card:0 24px 48px -32px rgba(0,0,0,.9);
  --sh-pri:0 0 0 1px rgba(47,227,196,.30), 0 10px 30px -12px rgba(47,227,196,.55);
  --sh-acc:0 0 0 1px rgba(255,122,77,.32), 0 10px 30px -12px rgba(255,122,77,.55);
  --side-w:84px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg0);
  color:var(--t1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.ly-lock{overflow:hidden}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:var(--pri)}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--t1)}
p{margin:0}
:focus-visible{outline:2px solid var(--pri);outline-offset:2px;border-radius:6px}
::selection{background:rgba(47,227,196,.28);color:#fff}
.ly-container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.ly-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 品牌标识 ---------- */
.ly-brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;flex:0 0 40px;border-radius:13px;
  background:linear-gradient(140deg,var(--pri),var(--pri-d));
  color:#04231E;font-weight:800;font-size:19px;letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(47,227,196,.35),0 10px 24px -12px rgba(47,227,196,.7);
}

/* ---------- 左侧 App Shell ---------- */
.ly-sidebar{
  position:fixed;left:0;top:0;bottom:0;z-index:70;
  width:var(--side-w);
  display:flex;flex-direction:column;gap:6px;
  padding:20px 14px 18px;
  background:linear-gradient(180deg,rgba(10,26,36,.97),rgba(6,17,25,.99));
  border-right:1px solid var(--line);
  overflow:hidden;
  transition:width .3s cubic-bezier(.4,0,.2,1);
}
.ly-sidebar:hover,.ly-sidebar:focus-within{
  width:260px;
  box-shadow:40px 0 80px -50px rgba(0,0,0,.95);
}
.ly-logo{
  display:flex;flex-direction:column;align-items:center;gap:8px;
  padding:4px 0 14px;margin-bottom:8px;
  border-bottom:1px solid var(--line);
  transition:flex-direction .3s ease;
}
.ly-sidebar:hover .ly-logo,.ly-sidebar:focus-within .ly-logo{
  flex-direction:row;align-items:center;gap:12px;padding:4px 6px 14px;
}
.ly-logo-text{
  font-size:11px;line-height:1.3;font-weight:700;text-align:center;
  color:var(--t1);letter-spacing:.02em;width:58px;
  transition:font-size .2s ease,width .2s ease,text-align .2s ease;
}
.ly-sidebar:hover .ly-logo-text,.ly-sidebar:focus-within .ly-logo-text{
  font-size:15px;width:auto;text-align:left;white-space:nowrap;
}
.ly-nav{display:flex;flex-direction:column;gap:4px}
.ly-nav-item{
  position:relative;display:flex;align-items:center;justify-content:center;gap:12px;
  height:48px;padding:0 12px;border-radius:12px;
  color:var(--t2);font-size:14.5px;white-space:nowrap;
  border-left:3px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.ly-sidebar:hover .ly-nav-item,.ly-sidebar:focus-within .ly-nav-item{justify-content:flex-start}
.ly-nav-item i{width:20px;flex:0 0 20px;text-align:center;font-size:16px}
.ly-nav-label{width:0;opacity:0;overflow:hidden;transition:opacity .22s ease}
.ly-sidebar:hover .ly-nav-label,.ly-sidebar:focus-within .ly-nav-label{width:auto;opacity:1}
.ly-nav-item:hover{background:rgba(47,227,196,.08);color:var(--t1)}
.ly-nav-item.is-active{
  background:rgba(47,227,196,.09);
  color:var(--t1);
  border-left-color:var(--pri);
  box-shadow:inset 12px 0 24px -18px rgba(47,227,196,.9);
}
.ly-side-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}

/* ---------- 主区域 ---------- */
.ly-main{margin-left:var(--side-w);min-height:100vh;position:relative;z-index:1}

/* ---------- 按钮 ---------- */
.ly-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.ly-btn:active{transform:translateY(1px)}
.ly-btn-pri{
  background:linear-gradient(140deg,var(--pri),var(--pri-d));
  color:#04231E;box-shadow:var(--sh-pri);
}
.ly-btn-pri:hover{color:#04231E;transform:translateY(-2px)}
.ly-btn-acc{
  background:linear-gradient(140deg,var(--acc),var(--acc-d));
  color:#2B0D02;box-shadow:var(--sh-acc);
}
.ly-btn-acc:hover{color:#2B0D02;transform:translateY(-2px)}
.ly-btn-ghost{
  background:var(--glass);color:var(--t1);border-color:rgba(255,255,255,.10);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.ly-btn-ghost:hover{border-color:rgba(47,227,196,.55);color:var(--t1);transform:translateY(-2px)}
.ly-btn-block{width:100%;padding:0 16px}
.ly-sidebar .ly-btn-block span{width:0;opacity:0;overflow:hidden;transition:opacity .22s ease}
.ly-sidebar:hover .ly-btn-block span,.ly-sidebar:focus-within .ly-btn-block span{width:auto;opacity:1}
@media(max-width:1023px){.ly-sidebar{display:none}}
@media(min-width:1024px){.ly-topbar,.ly-drawer,.ly-mask,.ly-sticky-cta{display:none!important}}

/* ---------- 顶部移动栏 ---------- */
.ly-topbar{
  position:fixed;top:0;left:0;right:0;z-index:88;height:56px;
  display:flex;align-items:center;gap:12px;padding:0 14px;
  background:rgba(8,22,30,.82);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--line);
}
.ly-topbar .ly-brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:11px;font-size:16px}
.ly-burger{
  width:40px;height:40px;border-radius:12px;color:var(--t1);font-size:17px;
  display:flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid rgba(255,255,255,.08);
}
.ly-topbar-name{font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ly-topbar-cta{
  margin-left:auto;height:36px;padding:0 16px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:13.5px;font-weight:600;
  background:linear-gradient(140deg,var(--acc),var(--acc-d));color:#2B0D02;
  box-shadow:0 8px 22px -12px rgba(255,122,77,.85);
}
.ly-topbar-cta:hover{color:#2B0D02}

/* ---------- 抽屉 ---------- */
.ly-mask{
  position:fixed;inset:0;z-index:89;background:rgba(3,9,13,.62);
  backdrop-filter:blur(3px);opacity:0;visibility:hidden;transition:.25s ease;
}
.ly-mask.is-open{opacity:1;visibility:visible}
.ly-drawer{
  position:fixed;top:0;left:0;bottom:0;z-index:90;width:300px;
  padding:22px 18px 90px;display:flex;flex-direction:column;gap:6px;
  background:linear-gradient(180deg,#0A1A24,#061119);
  border-right:1px solid var(--line);
  transform:translateX(-104%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.ly-drawer.is-open{transform:none}
.ly-drawer-head{display:flex;align-items:center;gap:12px;padding:4px 4px 16px;border-bottom:1px solid var(--line);margin-bottom:12px}
.ly-drawer-head strong{font-size:15.5px}
.ly-drawer .ly-nav-item{justify-content:flex-start}
.ly-drawer .ly-nav-label{width:auto;opacity:1}
.ly-drawer-close{margin-left:auto;width:36px;height:36px;border-radius:10px;color:var(--t2);background:var(--glass);display:flex;align-items:center;justify-content:center}

/* ---------- 面包屑 ---------- */
.ly-crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:28px 0 18px;font-size:13px;color:var(--t3);
}
.ly-crumb a{color:var(--t2)}
.ly-crumb a:hover{color:var(--pri)}
.ly-crumb i{font-size:10px;color:var(--t3)}
.ly-crumb .ly-crumb-now{color:var(--t2);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.ly-article-head{
  padding:8px 0 26px;border-bottom:1px solid var(--line);
}
.ly-badge{
  display:inline-flex;align-items:center;gap:6px;height:20px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;
  color:var(--pri);background:rgba(47,227,196,.12);
}
.ly-badge-acc{color:var(--acc);background:rgba(255,122,77,.12)}
.ly-article-head h1{
  margin:16px 0 14px;
  font-size:clamp(30px,3.2vw,44px);line-height:1.2;font-weight:800;letter-spacing:-.02em;
}
.ly-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  font-size:13px;color:var(--t3);
}
.ly-meta span{display:inline-flex;align-items:center;gap:6px}
.ly-meta i{color:var(--pri-d);font-size:12px}

/* ---------- 阅读区栅格 ---------- */
.ly-read-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;padding:32px 0 0}
@media(min-width:1024px){
  .ly-read-grid{grid-template-columns:minmax(0,1fr) 300px;gap:40px}
}
.ly-article{min-width:0}

/* ---------- 正文排版 ---------- */
.ly-article-body{font-size:16px;line-height:1.85;color:var(--t1);word-break:break-word}
.ly-article-body p{margin:0 0 1.2em;color:var(--t1)}
.ly-article-body > p:first-of-type{font-size:17px;color:#DCEFEC}
.ly-article-body h2{
  position:relative;margin:44px 0 16px;padding-left:16px;
  font-size:clamp(22px,2.2vw,30px);line-height:1.3;font-weight:700;
}
.ly-article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--pri),var(--pri-d));
  box-shadow:0 0 16px rgba(47,227,196,.55);
}
.ly-article-body h3{margin:32px 0 12px;font-size:18px;font-weight:600}
.ly-article-body ul,.ly-article-body ol{margin:0 0 1.2em;padding-left:1.45em}
.ly-article-body ul{list-style:disc}
.ly-article-body ol{list-style:decimal}
.ly-article-body li{margin:.42em 0;color:var(--t1)}
.ly-article-body li::marker{color:var(--pri)}
.ly-article-body a{color:var(--pri);border-bottom:1px solid rgba(47,227,196,.35)}
.ly-article-body a:hover{border-bottom-color:var(--pri)}
.ly-article-body blockquote{
  margin:24px 0;padding:16px 22px;
  border-left:3px solid var(--pri);
  border-radius:0 var(--r-m) var(--r-m) 0;
  background:var(--glass);color:var(--t2);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.ly-article-body blockquote p:last-child{margin-bottom:0}
.ly-article-body img{border-radius:var(--r-m);margin:24px auto;border:1px solid var(--line)}
.ly-article-body figure{margin:24px 0}
.ly-article-body figcaption{text-align:center;font-size:13px;color:var(--t3);margin-top:10px}
.ly-article-body table{
  width:100%;margin:24px 0;font-size:14.5px;
  border:1px solid var(--line);border-radius:var(--r-m);
  border-collapse:separate;border-spacing:0;overflow:hidden;
}
.ly-article-body th{background:rgba(47,227,196,.08);font-weight:600;text-align:left;color:var(--t1)}
.ly-article-body th,.ly-article-body td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--t2)}
.ly-article-body tbody tr:last-child td{border-bottom:0}
.ly-article-body code{
  padding:2px 6px;border-radius:6px;font-size:14px;
  background:rgba(47,227,196,.10);color:var(--pri);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.ly-article-body hr{border:0;height:1px;background:var(--line);margin:36px 0}

/* ---------- 空态 ---------- */
.ly-empty{
  padding:56px 24px;text-align:center;
  background:linear-gradient(180deg,var(--bg2),var(--bg1));
  border:1px solid var(--line);border-radius:var(--r-l);box-shadow:var(--sh-card);
}
.ly-empty i{font-size:30px;color:var(--pri);margin-bottom:14px;display:block}
.ly-empty h2{font-size:20px;margin-bottom:10px}
.ly-empty p{color:var(--t2);font-size:14.5px;margin-bottom:20px}

/* ---------- 标签 ---------- */
.ly-tags{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 0;padding-top:24px;border-top:1px solid var(--line)}
.ly-tag{
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:var(--t2);
  background:rgba(47,227,196,.08);border:1px solid var(--line);
}
.ly-tag:hover{color:var(--pri);border-color:rgba(47,227,196,.45)}

/* ---------- 上/下篇 ---------- */
.ly-pager{display:grid;gap:14px;margin:28px 0 0;grid-template-columns:1fr}
@media(min-width:768px){.ly-pager{grid-template-columns:1fr 1fr}}
.ly-pager a{
  display:block;padding:16px 18px;border-radius:var(--r-m);
  background:linear-gradient(180deg,var(--bg2),var(--bg1));
  border:1px solid var(--line);box-shadow:var(--sh-card);
  transition:transform .2s ease,border-color .2s ease;
}
.ly-pager a:hover{transform:translateY(-3px);border-color:rgba(47,227,196,.45)}
.ly-pager small{display:block;font-size:12px;color:var(--t3);margin-bottom:6px}
.ly-pager strong{font-size:15px;font-weight:600;color:var(--t1)}

/* ---------- 侧栏 ---------- */
.ly-side{display:flex;flex-direction:column;gap:20px;align-items:start}
.ly-side-card{
  width:100%;padding:20px;border-radius:var(--r-l);
  background:var(--glass);
  border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);
}
@media(min-width:1024px){.ly-side-sticky{position:sticky;top:32px}}
.ly-side-card h3{
  font-size:14px;letter-spacing:.04em;color:var(--t2);
  margin-bottom:14px;display:flex;align-items:center;gap:8px;font-weight:600;
}
.ly-side-card h3 i{color:var(--pri);font-size:13px}
.ly-toc{display:flex;flex-direction:column;gap:2px}
.ly-toc a{
  display:block;padding:7px 10px;border-radius:8px;font-size:13.5px;color:var(--t2);
  border-left:2px solid transparent;line-height:1.5;
}
.ly-toc a:hover{background:rgba(47,227,196,.08);color:var(--t1);border-left-color:var(--pri)}
.ly-side-list{display:flex;flex-direction:column;gap:12px}
.ly-side-list a{display:flex;gap:12px;align-items:center}
.ly-side-list img{width:60px;height:44px;object-fit:cover;border-radius:10px;flex:0 0 60px;border:1px solid var(--line)}
.ly-side-list span{font-size:13.5px;color:var(--t2);line-height:1.5}
.ly-side-list a:hover span{color:var(--t1)}
.ly-side-chan{display:flex;flex-direction:column;gap:8px}
.ly-side-chan a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;
  font-size:13.5px;color:var(--t2);background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.06);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.ly-side-chan a:hover{color:var(--t1);border-color:rgba(47,227,196,.45);transform:translateX(2px)}
.ly-side-chan i{color:var(--pri);font-size:13px;width:16px;text-align:center}

/* ---------- 相关推荐卡片 ---------- */
.ly-section{padding:64px 0 0}
.ly-section-head{margin-bottom:26px}
.ly-section-head h2{font-size:clamp(22px,2.2vw,28px);line-height:1.3}
.ly-section-head p{margin-top:8px;color:var(--t2);font-size:14.5px}
.ly-rel-grid{margin-left:-12px;margin-right:-12px}
.ly-rel-grid > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px}
.ly-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  border-radius:var(--r-l);
  background:linear-gradient(180deg,var(--bg2),var(--bg1));
  border:1px solid var(--line);box-shadow:var(--sh-card);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.ly-card:hover{transform:translateY(-4px);border-color:rgba(47,227,196,.42);box-shadow:0 28px 52px -30px rgba(0,0,0,.95)}
.ly-card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg0)}
.ly-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.ly-card:hover .ly-card-media img{transform:scale(1.04)}
.ly-card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,17,25,0) 45%,rgba(6,17,25,.75))}
.ly-card-media .ly-badge{position:absolute;left:14px;top:14px;z-index:2;background:rgba(6,17,25,.7)}
.ly-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.ly-card-body h3{font-size:17px;line-height:1.5;font-weight:600}
.ly-card-body p{font-size:14px;color:var(--t2);line-height:1.7;flex:1}
.ly-card-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--t3);padding-top:4px}
.ly-card-meta span{display:inline-flex;align-items:center;gap:6px}

/* ---------- 底部 CTA ---------- */
.ly-cta{
  margin:72px 0 0;padding:36px 32px;border-radius:var(--r-l);
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;justify-content:space-between;
  background:
    radial-gradient(120% 140% at 88% 10%,rgba(47,227,196,.16),transparent 60%),
    linear-gradient(180deg,var(--bg2),var(--bg1));
  border:1px solid var(--line);box-shadow:var(--sh-card);
}
.ly-cta h2{font-size:clamp(20px,2vw,26px);line-height:1.35}
.ly-cta p{margin-top:8px;color:var(--t2);font-size:14.5px;max-width:56ch}
.ly-cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.ly-footer{
  margin-top:88px;padding:72px 0 0;
  background:var(--bg0);border-top:1px solid var(--line);
}
.ly-footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.ly-footer-grid{grid-template-columns:1.3fr 1fr 1fr 1fr}}
.ly-footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.ly-footer p{color:var(--t2);font-size:14px;max-width:34ch}
.ly-footer h4{font-size:14px;margin-bottom:16px;color:var(--t1);letter-spacing:.03em}
.ly-foot-links{display:flex;flex-direction:column;gap:10px}
.ly-foot-links a{color:var(--t2);font-size:14px}
.ly-foot-links a:hover{color:var(--pri)}
.ly-footer-bottom{
  margin-top:52px;padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  border-top:1px solid var(--line);
  font-size:12.5px;color:var(--t3);
}

/* ---------- 移动端固定 CTA ---------- */
.ly-sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:80;height:56px;
  display:flex;align-items:center;gap:12px;padding:0 14px calc(env(safe-area-inset-bottom,0px));
  background:rgba(8,22,30,.9);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  border-top:1px solid var(--line);
}
.ly-sticky-cta span{font-size:13px;color:var(--t2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}
.ly-sticky-cta .ly-btn{height:38px;padding:0 18px;font-size:13.5px;flex:0 0 auto}

/* ---------- 动效 ---------- */
.ly-reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
.ly-reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .ly-reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media(max-width:1023px){
  .ly-main{margin-left:0;padding-top:56px;padding-bottom:78px}
  .ly-article-head h1{font-size:clamp(26px,6vw,34px)}
  .ly-crumb{padding-top:20px}
  .ly-section{padding-top:48px}
  .ly-cta{margin-top:56px;padding:28px 22px}
  .ly-footer{margin-top:64px;padding-top:56px}
}
@media(max-width:767px){
  .ly-container{padding:0 16px}
  .ly-article-body{font-size:15px;line-height:1.8}
  .ly-article-body > p:first-of-type{font-size:15.5px}
  .ly-cta-actions{width:100%}
  .ly-cta-actions .ly-btn{flex:1 1 auto}
}
@media(max-width:480px){
  .ly-topbar-name{font-size:14px}
  .ly-empty{padding:40px 18px}
}

/* roulang page: category1 */
:root{
  --bg0:#061119;
  --bg1:#0A1A24;
  --bg2:#0E232E;
  --pri:#2FE3C4;
  --pri-d:#12A88E;
  --acc:#FF7A4D;
  --acc-d:#E85C2E;
  --warn:#FFC24B;
  --t1:#EAF6F4;
  --t2:#A6BCC2;
  --t3:#7A9099;
  --line:rgba(126,232,214,.14);
  --glass:rgba(255,255,255,.045);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --shadow-card:0 24px 48px -32px rgba(0,0,0,.9);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;color:var(--t1);
  background:
    radial-gradient(1100px 620px at 82% -12%,rgba(47,227,196,.13),transparent 62%),
    radial-gradient(760px 520px at 6% 24%,rgba(47,227,196,.06),transparent 60%),
    var(--bg0);
  min-height:100vh;overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--pri);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--pri);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(47,227,196,.3);}
.ly-container{width:100%;max-width:1180px;margin:0 auto;padding:0 var(--sp-5);}
.ly-main{margin-left:84px;min-height:100vh;position:relative;z-index:1;}
.ly-section{padding:var(--sp-9) 0;position:relative;}
.ly-section--tight{padding:var(--sp-7) 0;}
.ly-sec-head{max-width:720px;margin-bottom:var(--sp-6);}
.ly-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;margin-bottom:var(--sp-3);
  border-radius:var(--r-pill);background:rgba(47,227,196,.1);border:1px solid rgba(47,227,196,.24);
  color:var(--pri);font-size:12px;letter-spacing:.08em;
}
.ly-h2{font-size:clamp(22px,2.2vw,30px);line-height:1.3;}
.ly-h3{font-size:18px;font-weight:600;line-height:1.5;}
.ly-sub{color:var(--t2);margin-top:var(--sp-3);font-size:15px;}
.ly-muted{color:var(--t3);font-size:13px;}

/* ============ 左侧 App Shell ============ */
.ly-sidebar{
  position:fixed;left:0;top:0;bottom:0;width:84px;z-index:70;
  display:flex;flex-direction:column;gap:var(--sp-3);
  padding:18px 12px;
  background:linear-gradient(180deg,rgba(10,26,36,.96),rgba(6,17,25,.99));
  border-right:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  transition:width .28s cubic-bezier(.4,0,.2,1);
  overflow:hidden;
}
.ly-sidebar:hover,.ly-sidebar:focus-within{width:260px;box-shadow:24px 0 60px -40px rgba(0,0,0,.95);}
.ly-logo{display:flex;align-items:center;gap:12px;min-height:48px;padding:0 6px;flex:0 0 auto;}
.ly-brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--pri),var(--pri-d));
  color:#04211c;font-weight:800;font-size:18px;
  box-shadow:0 0 0 1px rgba(47,227,196,.3),0 10px 26px -12px rgba(47,227,196,.6);
}
.ly-logo-text{font-size:15px;font-weight:700;white-space:nowrap;opacity:0;transform:translateX(-6px);transition:opacity .2s ease .04s,transform .2s ease .04s;}
.ly-sidebar:hover .ly-logo-text,.ly-sidebar:focus-within .ly-logo-text{opacity:1;transform:translateX(0);}
.ly-nav{display:flex;flex-direction:column;gap:4px;flex:1 1 auto;padding-top:var(--sp-2);border-top:1px solid var(--line);}
.ly-nav-item{
  position:relative;display:flex;align-items:center;gap:14px;height:48px;padding:0 14px;
  border-radius:14px;color:var(--t2);white-space:nowrap;font-size:14px;
  transition:background .2s ease,color .2s ease;
}
.ly-nav-item i{width:20px;flex:0 0 20px;text-align:center;font-size:16px;}
.ly-nav-item::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;
  background:var(--pri);opacity:0;box-shadow:0 0 12px rgba(47,227,196,.9);transition:opacity .2s ease;
}
.ly-nav-item:hover{background:rgba(255,255,255,.04);color:var(--t1);}
.ly-nav-item.is-active{background:rgba(47,227,196,.08);color:var(--pri);}
.ly-nav-item.is-active::before{opacity:1;}
.ly-nav-label{opacity:0;transform:translateX(-6px);transition:opacity .2s ease,transform .2s ease;}
.ly-sidebar:hover .ly-nav-label,.ly-sidebar:focus-within .ly-nav-label{opacity:1;transform:translateX(0);}
.ly-sidebar-foot{flex:0 0 auto;padding-top:var(--sp-3);border-top:1px solid var(--line);}

/* ============ 按钮 ============ */
.ly-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:0;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
}
.ly-btn-pri{
  background:linear-gradient(135deg,var(--pri),var(--pri-d));color:#04211c;
  box-shadow:0 0 0 1px rgba(47,227,196,.30),0 10px 30px -12px rgba(47,227,196,.55);
}
.ly-btn-pri:hover{color:#04211c;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(47,227,196,.5),0 16px 34px -12px rgba(47,227,196,.7);}
.ly-btn-acc{
  background:linear-gradient(135deg,var(--acc),var(--acc-d));color:#2b0d04;
  box-shadow:0 0 0 1px rgba(255,122,77,.32),0 10px 30px -12px rgba(255,122,77,.6);
}
.ly-btn-acc:hover{color:#2b0d04;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,122,77,.5),0 16px 34px -12px rgba(255,122,77,.75);}
.ly-btn-ghost{
  background:var(--glass);color:var(--t1);border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(14px) saturate(140%);
}
.ly-btn-ghost:hover{color:var(--t1);border-color:var(--pri);transform:translateY(-2px);}
.ly-btn:active{transform:translateY(1px);}
.ly-btn-sm{height:38px;padding:0 18px;font-size:13px;}
.ly-sidebar-cta{width:100%;padding:0 10px;}
.ly-sidebar-cta span{opacity:0;transition:opacity .2s ease;}
.ly-sidebar:hover .ly-sidebar-cta span,.ly-sidebar:focus-within .ly-sidebar-cta span{opacity:1;}

/* ============ 移动端顶栏 + 抽屉 ============ */
.ly-topbar{
  position:fixed;top:0;left:0;right:0;height:56px;z-index:80;
  display:none;align-items:center;gap:12px;padding:0 16px;
  background:rgba(10,26,36,.86);border-bottom:1px solid var(--line);
  backdrop-filter:blur(16px) saturate(150%);
}
.ly-burger{
  width:38px;height:38px;flex:0 0 38px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;
  color:var(--t1);cursor:pointer;
}
.ly-burger:hover{border-color:var(--pri);color:var(--pri);}
.ly-topbar .ly-brand-mark{width:32px;height:32px;flex:0 0 32px;border-radius:11px;font-size:15px;}
.ly-topbar-name{font-size:15px;font-weight:700;flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.ly-topbar-cta{
  height:34px;padding:0 14px;display:inline-flex;align-items:center;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--acc),var(--acc-d));color:#2b0d04;font-size:13px;font-weight:700;
  box-shadow:0 8px 22px -12px rgba(255,122,77,.8);
}
.ly-topbar-cta:hover{color:#2b0d04;}
.ly-drawer{
  position:fixed;top:0;left:0;bottom:0;width:300px;max-width:86vw;z-index:95;
  background:linear-gradient(180deg,var(--bg1),var(--bg0));
  border-right:1px solid var(--line);padding:20px 16px;
  transform:translateX(-102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;gap:var(--sp-3);overflow-y:auto;
}
.ly-drawer.is-open{transform:translateX(0);}
.ly-drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.ly-drawer-close{width:36px;height:36px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);color:var(--t1);cursor:pointer;}
.ly-drawer-close:hover{border-color:var(--pri);color:var(--pri);}
.ly-drawer .ly-nav-item{color:var(--t2);}
.ly-drawer .ly-nav-label{opacity:1;transform:none;}
.ly-mask{
  position:fixed;inset:0;z-index:90;background:rgba(3,10,15,.62);
  backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.ly-mask.is-open{opacity:1;pointer-events:auto;}
body.ly-lock{overflow:hidden;}

/* ============ 面包屑 ============ */
.ly-crumb{
  padding:calc(var(--sp-6) + 8px) 0 0;
  font-size:13px;color:var(--t3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;
}
.ly-crumb a{color:var(--t2);}
.ly-crumb span.sep{color:rgba(255,255,255,.18);}
.ly-crumb strong{color:var(--pri);font-weight:600;}

/* ============ Hero ============ */
.ly-hero{
  position:relative;overflow:hidden;padding:var(--sp-8) 0 var(--sp-9);
  background-image:linear-gradient(180deg,rgba(6,17,25,.74),rgba(6,17,25,.95)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.ly-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(126,232,214,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(126,232,214,.05) 1px,transparent 1px);
  background-size:56px 56px;opacity:.5;
}
.ly-hero-inner{position:relative;z-index:2;}
.ly-hero-copy{max-width:600px;}
.ly-h1{font-size:clamp(30px,3.2vw,44px);line-height:1.2;font-weight:800;letter-spacing:-.02em;}
.ly-h1 em{font-style:normal;color:var(--pri);}
.ly-hero-sub{color:var(--t2);font-size:17px;margin-top:var(--sp-4);max-width:520px;}
.ly-hero-actions{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-top:var(--sp-6);}
.ly-trust{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:var(--sp-6);
  font-size:13px;color:var(--t2);
}
.ly-trust span{display:inline-flex;align-items:center;gap:6px;}
.ly-trust i{color:var(--pri);font-size:11px;}
.ly-hero-media{
  position:relative;width:100%;max-width:300px;aspect-ratio:9/16;margin:0 auto;
  border-radius:var(--r-l);overflow:hidden;border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.045);backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 40px 70px -44px rgba(0,0,0,.95),0 0 60px -30px rgba(47,227,196,.55);
}
.ly-hero-media img{width:100%;height:100%;object-fit:cover;}
.ly-hero-media::after{
  content:"";position:absolute;inset:auto 0 0 0;height:42%;
  background:linear-gradient(180deg,transparent,rgba(6,17,25,.92));
}
.ly-float-tag{
  position:absolute;top:14px;left:14px;z-index:3;height:24px;padding:0 12px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:12px;color:var(--pri);
  background:rgba(6,17,25,.6);border:1px solid rgba(47,227,196,.34);backdrop-filter:blur(10px);
}
.ly-media-bottom{position:absolute;left:16px;right:16px;bottom:16px;z-index:3;display:flex;align-items:center;gap:12px;}
.ly-play{
  width:42px;height:42px;flex:0 0 42px;border-radius:50%;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--pri),var(--pri-d));color:#04211c;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 1px rgba(47,227,196,.4),0 12px 26px -12px rgba(47,227,196,.8);
}
.ly-progress{flex:1 1 auto;height:4px;border-radius:99px;background:rgba(255,255,255,.14);overflow:hidden;}
.ly-progress span{display:block;height:100%;width:38%;border-radius:99px;background:linear-gradient(90deg,var(--pri),var(--pri-d));}
.ly-media-time{font-size:12px;color:var(--t2);font-variant-numeric:tabular-nums;}

/* ============ 横滚竖屏卡墙 ============ */
.ly-rail{
  display:flex;gap:var(--sp-4);overflow-x:auto;padding:6px 4px var(--sp-5);
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.ly-rail::-webkit-scrollbar{height:6px;}
.ly-rail::-webkit-scrollbar-thumb{background:rgba(47,227,196,.3);border-radius:99px;}
.ly-rail::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:99px;}
.ly-rail-card{
  flex:0 0 auto;width:clamp(180px,42vw,240px);scroll-snap-align:start;
}
.ly-rail-frame{
  position:relative;aspect-ratio:9/16;border-radius:var(--r-l);overflow:hidden;
  border:1px solid var(--line);background:var(--bg2);box-shadow:var(--shadow-card);
  transition:transform .25s ease,border-color .25s ease;
}
.ly-rail-card:hover .ly-rail-frame{transform:translateY(-4px);border-color:rgba(47,227,196,.44);}
.ly-rail-frame img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.ly-rail-card:hover .ly-rail-frame img{transform:scale(1.04);}
.ly-rail-frame::after{
  content:"";position:absolute;inset:auto 0 0 0;height:46%;
  background:linear-gradient(180deg,transparent,rgba(6,17,25,.92));
}
.ly-rail-meta{position:absolute;left:12px;right:12px;bottom:12px;z-index:2;}
.ly-rail-meta strong{display:block;font-size:15px;font-weight:600;color:var(--t1);}
.ly-rail-meta small{display:block;font-size:12px;color:var(--t2);margin-top:2px;}
.ly-chip{
  position:absolute;top:12px;right:12px;z-index:2;height:24px;padding:0 10px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:12px;
  background:rgba(6,17,25,.62);border:1px solid rgba(255,255,255,.12);color:var(--t2);
  backdrop-filter:blur(10px);font-variant-numeric:tabular-nums;
}
.ly-rail-title{margin-top:12px;font-size:14px;font-weight:600;}
.ly-rail-desc{margin-top:4px;font-size:13px;color:var(--t3);line-height:1.7;}

/* ============ 编号清单 ============ */
.ly-steps-list{border-top:1px solid var(--line);}
.ly-step-row{
  display:flex;gap:var(--sp-5);align-items:flex-start;
  padding:var(--sp-6) var(--sp-4);
  border-bottom:1px solid var(--line);
  border-image:linear-gradient(90deg,rgba(126,232,214,.24),transparent) 1;
  transition:background .25s ease;
  position:relative;
}
.ly-step-row::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:var(--pri);opacity:0;box-shadow:0 0 14px rgba(47,227,196,.9);transition:opacity .25s ease;
}
.ly-step-row:hover{background:rgba(255,255,255,.028);}
.ly-step-row:hover::before{opacity:1;}
.ly-step-num{
  flex:0 0 62px;font-size:32px;font-weight:800;line-height:1.1;
  color:transparent;-webkit-text-stroke:1px rgba(47,227,196,.6);
  font-variant-numeric:tabular-nums;
}
.ly-step-body{flex:1 1 auto;min-width:0;}
.ly-step-body p{color:var(--t2);font-size:14.5px;margin-top:var(--sp-2);}
.ly-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.ly-tag{
  height:24px;padding:0 10px;display:inline-flex;align-items:center;border-radius:var(--r-pill);
  font-size:12px;color:var(--pri);background:rgba(47,227,196,.1);border:1px solid rgba(47,227,196,.2);
}
.ly-tag--acc{color:var(--acc);background:rgba(255,122,77,.1);border-color:rgba(255,122,77,.22);}

/* ============ 流程 ============ */
.ly-flow{display:grid;gap:var(--sp-4);grid-template-columns:repeat(4,minmax(0,1fr));}
.ly-flow-card{
  position:relative;padding:var(--sp-5);border-radius:var(--r-m);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.ly-flow-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,196,.6),transparent);
}
.ly-flow-num{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;
  background:rgba(47,227,196,.12);border:1px solid rgba(47,227,196,.26);color:var(--pri);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.ly-flow-card h3{margin-top:var(--sp-4);font-size:16px;font-weight:600;}
.ly-flow-card p{margin-top:var(--sp-2);font-size:14px;color:var(--t2);line-height:1.75;}

/* ============ 故障卡 ============ */
.ly-trouble-grid{display:grid;gap:var(--sp-5);grid-template-columns:repeat(3,minmax(0,1fr));}
.ly-trouble-card{
  padding:var(--sp-5);border-radius:var(--r-m);
  background:var(--bg1);border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .25s ease,border-color .25s ease;
}
.ly-trouble-card:hover{transform:translateY(-3px);border-color:rgba(47,227,196,.36);}
.ly-trouble-card i{color:var(--acc);font-size:18px;}
.ly-trouble-card h3{margin-top:var(--sp-3);font-size:16px;}
.ly-trouble-card p{margin-top:var(--sp-2);font-size:14px;color:var(--t2);}

/* ============ 图文区块 ============ */
.ly-split{display:grid;gap:var(--sp-7);grid-template-columns:1.05fr .95fr;align-items:center;}
.ly-split-img{border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);}
.ly-split-img img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s ease;}
.ly-split-img:hover img{transform:scale(1.04);}
.ly-points{margin-top:var(--sp-5);display:grid;gap:var(--sp-3);}
.ly-points li{display:flex;gap:12px;font-size:14.5px;color:var(--t2);}
.ly-points i{color:var(--pri);margin-top:7px;font-size:12px;flex:0 0 14px;}

/* ============ 口碑带 ============ */
.ly-voice-wrap{position:relative;}
.ly-voice-wrap::before,.ly-voice-wrap::after{
  content:"";position:absolute;top:0;bottom:0;width:60px;z-index:2;pointer-events:none;
}
.ly-voice-wrap::before{left:0;background:linear-gradient(90deg,var(--bg0),transparent);}
.ly-voice-wrap::after{right:0;background:linear-gradient(270deg,var(--bg0),transparent);}
.ly-voice-band{display:flex;gap:var(--sp-4);overflow-x:auto;padding:6px 4px var(--sp-4);scroll-snap-type:x mandatory;}
.ly-voice-band::-webkit-scrollbar{height:6px;}
.ly-voice-band::-webkit-scrollbar-thumb{background:rgba(47,227,196,.3);border-radius:99px;}
.ly-voice{
  flex:0 0 auto;width:286px;scroll-snap-align:start;padding:var(--sp-4) var(--sp-5);
  border-radius:var(--r-m);background:var(--glass);border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(14px) saturate(140%);
}
.ly-voice-top{display:flex;align-items:center;gap:10px;}
.ly-avatar{
  width:34px;height:34px;flex:0 0 34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
  background:linear-gradient(140deg,rgba(47,227,196,.3),rgba(47,227,196,.08));
  color:var(--pri);border:1px solid rgba(47,227,196,.3);
}
.ly-voice-name{font-size:14px;font-weight:600;}
.ly-stars{color:var(--warn);font-size:12px;letter-spacing:1px;margin-top:var(--sp-3);}
.ly-voice p{margin-top:8px;font-size:14px;color:var(--t2);line-height:1.75;}
.ly-voice time{display:block;margin-top:10px;font-size:12px;color:var(--t3);font-variant-numeric:tabular-nums;}

/* ============ FAQ ============ */
.ly-faq{border-top:1px solid var(--line);}
.ly-faq-item{border-bottom:1px solid var(--line);}
.ly-faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);
  min-height:52px;padding:12px 4px;font-size:16px;font-weight:600;color:var(--t1);
}
.ly-faq-item summary::-webkit-details-marker{display:none;}
.ly-faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--pri);line-height:1;transition:transform .25s ease;
}
.ly-faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.ly-faq-item summary:hover{color:var(--pri);}
.ly-faq-body{padding:0 4px 20px;font-size:15px;color:var(--t2);line-height:1.8;}

/* ============ CTA 长条 ============ */
.ly-cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--sp-5);
  padding:var(--sp-6) var(--sp-7);border-radius:var(--r-l);
  background:linear-gradient(120deg,rgba(47,227,196,.14),rgba(255,122,77,.1)),var(--bg1);
  border:1px solid rgba(47,227,196,.24);
  box-shadow:0 30px 60px -44px rgba(0,0,0,.95);
}
.ly-cta-band h2{font-size:clamp(20px,2vw,26px);}
.ly-cta-band p{color:var(--t2);font-size:14.5px;margin-top:8px;max-width:620px;}

/* ============ 页脚 ============ */
.ly-footer{margin-top:var(--sp-8);background:var(--bg0);border-top:1px solid var(--line);padding:var(--sp-8) 0 var(--sp-5);}
.ly-footer-grid{display:grid;gap:var(--sp-6);grid-template-columns:1.4fr 1fr 1fr 1fr;}
.ly-footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:var(--sp-3);}
.ly-footer p{color:var(--t2);font-size:13.5px;max-width:320px;}
.ly-footer h4{font-size:14px;margin-bottom:var(--sp-4);color:var(--t1);}
.ly-foot-links{display:flex;flex-direction:column;gap:10px;}
.ly-foot-links a{font-size:13.5px;color:var(--t2);}
.ly-foot-links a:hover{color:var(--pri);}
.ly-footer-bottom{
  margin-top:var(--sp-7);padding-top:var(--sp-4);border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:var(--t3);
}

/* ============ 移动端 sticky CTA ============ */
.ly-sticky-cta{
  display:none;position:fixed;left:12px;right:12px;z-index:85;
  bottom:calc(12px + env(safe-area-inset-bottom,0px));
  height:56px;padding:0 12px 0 18px;border-radius:var(--r-pill);
  align-items:center;justify-content:space-between;gap:12px;
  background:rgba(10,26,36,.9);border:1px solid rgba(47,227,196,.26);
  backdrop-filter:blur(16px) saturate(150%);
  box-shadow:0 22px 44px -26px rgba(0,0,0,.95);
}
.ly-sticky-cta span{font-size:13.5px;color:var(--t2);}
.ly-sticky-cta .ly-btn{height:40px;padding:0 18px;font-size:14px;}

/* ============ 动效 & 响应式 ============ */
.ly-reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;}
.ly-reveal.is-in{opacity:1;transform:none;}

@media (max-width:1439px){
  .ly-container{max-width:1080px;}
}
@media (max-width:1023px){
  .ly-sidebar{display:none;}
  .ly-topbar{display:flex;}
  .ly-main{margin-left:0;padding-top:56px;}
  .ly-sticky-cta{display:flex;}
  .ly-footer{padding-bottom:96px;}
  .ly-flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ly-trouble-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ly-split{grid-template-columns:1fr;gap:var(--sp-6);}
  .ly-split-img{order:-1;}
  .ly-footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .ly-section{padding:56px 0;}
  .ly-hero{padding:40px 0 56px;}
  .ly-container{padding:0 16px;}
  .ly-hero-media{max-width:240px;}
  .ly-flow{grid-template-columns:1fr;}
  .ly-trouble-grid{grid-template-columns:1fr;}
  .ly-step-row{gap:var(--sp-4);padding:var(--sp-5) 0;}
  .ly-step-num{flex:0 0 46px;font-size:26px;}
  .ly-cta-band{padding:var(--sp-5);}
  .ly-footer-grid{grid-template-columns:1fr;gap:var(--sp-5);}
  .ly-voice{width:252px;}
  .ly-btn{width:100%;}
  .ly-hero-actions .ly-btn,.ly-cta-band .ly-btn{width:auto;}
  .ly-sticky-cta{left:10px;right:10px;}
  .ly-sticky-cta span{display:none;}
  .ly-sticky-cta{justify-content:center;padding:0 12px;}
  .ly-sticky-cta .ly-btn{width:100%;}
}
@media (max-width:480px){
  .ly-h1{font-size:27px;}
  .ly-hero-sub{font-size:15.5px;}
  .ly-trust{gap:8px 14px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .ly-reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --bg0:#061119;
  --bg1:#0A1A24;
  --bg2:#0E232E;
  --pri:#2FE3C4;
  --pri-d:#12A88E;
  --acc:#FF7A4D;
  --acc-d:#E85C2E;
  --warn:#FFC24B;
  --t1:#EAF6F4;
  --t2:#A6BCC2;
  --t3:#7A9099;
  --line:rgba(126,232,214,.14);
  --glass:rgba(255,255,255,.045);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --shadow:0 24px 48px -32px rgba(0,0,0,.9);
  --side-w:84px;
  --side-open:260px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg0);
  color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--pri);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:1.15em;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--pri);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(47,227,196,.28);}

.ly-container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
.ly-section{padding:88px 0;position:relative;}
.ly-section--tight{padding:56px 0;}
.ly-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;color:var(--pri);
  background:rgba(47,227,196,.10);
  border:1px solid rgba(47,227,196,.24);
  border-radius:var(--r-pill);
  padding:5px 14px;height:26px;line-height:1;
}
.ly-h2{font-size:clamp(22px,2.2vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.01em;margin:16px 0 12px;}
.ly-h3{font-size:18px;font-weight:600;line-height:1.5;}
.ly-lead{color:var(--t2);font-size:15px;max-width:640px;}
.ly-muted{color:var(--t3);font-size:13px;}
.ly-num{font-variant-numeric:tabular-nums;font-family:var(--mono);}

/* ============ 侧栏 App Shell ============ */
.ly-side{
  position:fixed;top:0;left:0;bottom:0;z-index:120;
  width:var(--side-w);
  background:linear-gradient(180deg,rgba(10,26,36,.96),rgba(6,17,25,.98));
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:20px 12px 18px;
  overflow:hidden;
  transition:width .32s cubic-bezier(.4,0,.2,1);
}
.ly-side:hover,.ly-side:focus-within{width:var(--side-open);}
.ly-side-inner{width:236px;display:flex;flex-direction:column;height:100%;}
.ly-side-logo{display:flex;align-items:center;gap:12px;padding:6px 6px 20px;flex:0 0 auto;}
.ly-brand-mark{
  flex:0 0 40px;width:40px;height:40px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,var(--pri),var(--pri-d));
  color:#04211C;font-weight:800;font-size:18px;
  box-shadow:0 0 0 1px rgba(47,227,196,.32),0 10px 26px -12px rgba(47,227,196,.6);
}
.ly-side-name{
  font-size:15px;font-weight:700;white-space:nowrap;letter-spacing:.01em;
  opacity:0;transition:opacity .22s ease .06s;
}
.ly-side:hover .ly-side-name,.ly-side:focus-within .ly-side-name{opacity:1;}
.ly-side-nav{display:flex;flex-direction:column;gap:4px;flex:1 1 auto;}
.ly-nav-item{
  position:relative;display:flex;align-items:center;gap:14px;
  height:48px;padding:0 12px;border-radius:12px;
  color:var(--t2);font-size:14px;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.ly-nav-item i{flex:0 0 20px;font-size:17px;text-align:center;}
.ly-nav-item span{opacity:0;transition:opacity .22s ease .06s;}
.ly-side:hover .ly-nav-item span,.ly-side:focus-within .ly-nav-item span{opacity:1;}
.ly-nav-item:hover{background:rgba(255,255,255,.05);color:var(--t1);}
.ly-nav-item.is-active{
  background:rgba(47,227,196,.08);color:var(--t1);font-weight:600;
}
.ly-nav-item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--pri);
  box-shadow:0 0 12px 1px rgba(47,227,196,.8);
}
.ly-side-foot{flex:0 0 auto;padding-top:16px;border-top:1px solid var(--line);}
.ly-side-cta{
  display:flex;align-items:center;justify-content:center;gap:10px;
  height:48px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--acc),var(--acc-d));
  color:#2A0C02;font-weight:700;font-size:14px;white-space:nowrap;
  box-shadow:0 0 0 1px rgba(255,122,77,.32),0 12px 30px -14px rgba(255,122,77,.7);
  transition:transform .18s ease,box-shadow .22s ease;
}
.ly-side-cta:hover{color:#2A0C02;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,122,77,.5),0 18px 34px -14px rgba(255,122,77,.85);}
.ly-side-cta span{opacity:0;transition:opacity .22s ease .06s;}
.ly-side:hover .ly-side-cta span,.ly-side:focus-within .ly-side-cta span{opacity:1;}

/* ============ 桌面隐藏顶栏 ============ */
.ly-topbar{display:none;}
.ly-drawer,.ly-mask,.ly-sticky-cta{display:none;}

.ly-main{margin-left:var(--side-w);min-height:100vh;}

/* ============ Hero ============ */
.ly-hero{
  position:relative;overflow:hidden;padding:76px 0 72px;
  background:
    radial-gradient(680px 320px at 12% 12%,rgba(47,227,196,.18),transparent 68%),
    radial-gradient(520px 300px at 88% 78%,rgba(255,122,77,.12),transparent 70%),
    linear-gradient(180deg,var(--bg1),var(--bg0));
  border-bottom:1px solid var(--line);
}
.ly-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.22;mix-blend-mode:luminosity;pointer-events:none;
}
.ly-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(126,232,214,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(126,232,214,.06) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(600px 340px at 28% 30%,#000,transparent 78%);
  -webkit-mask-image:radial-gradient(600px 340px at 28% 30%,#000,transparent 78%);
}
.ly-hero .ly-container{position:relative;z-index:2;}
.ly-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:22px;flex-wrap:wrap;}
.ly-crumb a{color:var(--t2);}
.ly-crumb a:hover{color:var(--pri);}
.ly-crumb i{font-size:10px;color:var(--t3);}
.ly-hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.85fr);gap:56px;align-items:center;}
.ly-h1{
  font-size:clamp(30px,3.2vw,44px);line-height:1.2;font-weight:800;letter-spacing:-.02em;
  margin:18px 0 16px;
}
.ly-h1 em{font-style:normal;color:var(--pri);}
.ly-hero-sub{color:var(--t2);font-size:16px;max-width:560px;}
.ly-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 24px;}
.ly-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
}
.ly-btn i{font-size:14px;}
.ly-btn--pri{
  background:linear-gradient(135deg,var(--pri),var(--pri-d));color:#04211C;
  box-shadow:0 0 0 1px rgba(47,227,196,.30),0 10px 30px -12px rgba(47,227,196,.55);
}
.ly-btn--pri:hover{color:#04211C;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(47,227,196,.5),0 18px 34px -14px rgba(47,227,196,.75);}
.ly-btn--acc{
  background:linear-gradient(135deg,var(--acc),var(--acc-d));color:#2A0C02;
  box-shadow:0 0 0 1px rgba(255,122,77,.30),0 10px 30px -12px rgba(255,122,77,.6);
}
.ly-btn--acc:hover{color:#2A0C02;transform:translateY(-2px);}
.ly-btn--ghost{
  background:var(--glass);border-color:rgba(255,255,255,.12);color:var(--t1);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
}
.ly-btn--ghost:hover{border-color:var(--pri);color:var(--pri);transform:translateY(-2px);}
.ly-btn:active{transform:translateY(1px);}
.ly-trust{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--t3);}
.ly-trust span{display:inline-flex;align-items:center;gap:7px;}
.ly-trust i{color:var(--pri);font-size:12px;}
.ly-trust .ly-dot{width:4px;height:4px;border-radius:50%;background:rgba(126,232,214,.35);}

.ly-hero-media{position:relative;}
.ly-phone{
  position:relative;width:100%;max-width:320px;margin:0 auto;aspect-ratio:9/16;
  border-radius:var(--r-l);overflow:hidden;
  border:1px solid rgba(255,255,255,.10);
  background:linear-gradient(160deg,var(--bg2),var(--bg0));
  box-shadow:var(--shadow),0 0 0 1px rgba(47,227,196,.16),0 40px 80px -50px rgba(47,227,196,.55);
}
.ly-phone img{width:100%;height:100%;object-fit:cover;opacity:.82;}
.ly-phone::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,17,25,.05) 30%,rgba(6,17,25,.88) 100%);
}
.ly-phone-play{
  position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);
  width:62px;height:62px;border-radius:50%;z-index:3;
  display:grid;place-items:center;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  color:#fff;font-size:19px;
}
.ly-phone-tag{
  position:absolute;z-index:3;font-size:12px;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(6,17,25,.55);border:1px solid rgba(255,255,255,.14);color:var(--t1);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.ly-phone-tag--tl{left:14px;top:14px;}
.ly-phone-tag--br{right:14px;bottom:64px;color:var(--pri);border-color:rgba(47,227,196,.3);}
.ly-phone-foot{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:14px 16px 18px;}
.ly-bar{height:3px;border-radius:3px;background:rgba(255,255,255,.18);overflow:hidden;}
.ly-bar i{display:block;height:100%;width:42%;background:var(--pri);box-shadow:0 0 10px rgba(47,227,196,.8);}
.ly-phone-foot .ly-row{display:flex;justify-content:space-between;align-items:center;margin-top:10px;font-size:12px;color:var(--t2);}

/* ============ 指标卡 ============ */
.ly-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.ly-stat{
  position:relative;background:var(--bg1);border:1px solid var(--line);border-radius:var(--r-m);
  padding:22px;box-shadow:var(--shadow);overflow:hidden;
  transition:transform .22s ease,border-color .22s ease;
}
.ly-stat::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,196,.5),transparent);
}
.ly-stat:hover{transform:translateY(-4px);border-color:rgba(47,227,196,.35);}
.ly-stat b{display:block;font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--t1);font-family:var(--mono);line-height:1.2;}
.ly-stat b i{font-style:normal;font-size:14px;color:var(--t3);margin-left:4px;font-family:inherit;}
.ly-stat p{margin-top:8px;font-size:14px;color:var(--t2);line-height:1.7;}
.ly-stat span.ly-tag-s{display:inline-block;margin-top:10px;}

/* ============ 图文交替 ============ */
.ly-alt{display:flex;align-items:center;gap:48px;margin-bottom:72px;}
.ly-alt:last-child{margin-bottom:0;}
.ly-alt-media{flex:0 0 52%;border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);position:relative;}
.ly-alt-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.ly-alt-media:hover img{transform:scale(1.04);}
.ly-alt-media .ly-badge-float{
  position:absolute;left:16px;bottom:16px;font-size:12px;padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(6,17,25,.66);border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:var(--t1);
}
.ly-alt-text{flex:1 1 auto;min-width:0;}
.ly-alt-text p{color:var(--t2);margin-top:12px;font-size:15px;}
.ly-check{list-style:none;padding:0;margin:18px 0 0;}
.ly-check li{display:flex;gap:12px;align-items:flex-start;padding:8px 0;font-size:14.5px;color:var(--t2);}
.ly-check i{color:var(--pri);font-size:13px;margin-top:7px;}
.ly-alt--rev .ly-alt-media{order:2;}
.ly-alt--rev .ly-alt-text{order:1;}

/* ============ 表格 ============ */
.ly-table-wrap{
  border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;
  background:var(--bg1);box-shadow:var(--shadow);
}
.ly-table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.ly-table{width:100%;min-width:720px;font-size:14.5px;}
.ly-table thead th{
  text-align:left;padding:16px 20px;font-size:13px;font-weight:600;color:var(--t3);
  letter-spacing:.06em;background:rgba(255,255,255,.03);border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.ly-table td{
  padding:18px 20px;color:var(--t2);border-bottom:1px solid rgba(126,232,214,.08);vertical-align:middle;
}
.ly-table tbody tr{transition:background .2s ease;}
.ly-table tbody tr:hover{background:rgba(47,227,196,.05);}
.ly-table tbody tr:last-child td{border-bottom:none;}
.ly-table td strong{color:var(--t1);font-weight:600;}
.ly-table .ly-num{color:var(--t1);}
.ly-pill{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;background:rgba(47,227,196,.10);color:var(--pri);border:1px solid rgba(47,227,196,.22);
  white-space:nowrap;
}
.ly-pill--acc{background:rgba(255,122,77,.10);color:var(--acc);border-color:rgba(255,122,77,.24);}
.ly-pill--warn{background:rgba(255,194,75,.10);color:var(--warn);border-color:rgba(255,194,75,.24);}
.ly-table-note{padding:14px 20px;font-size:13px;color:var(--t3);border-top:1px solid var(--line);background:rgba(255,255,255,.02);}

/* ============ 步骤 ============ */
.ly-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;counter-reset:step;}
.ly-step{
  position:relative;background:var(--bg1);border:1px solid var(--line);border-radius:var(--r-m);
  padding:26px 22px 24px;box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease;
}
.ly-step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-family:var(--mono);font-size:26px;font-weight:800;color:transparent;
  -webkit-text-stroke:1px rgba(47,227,196,.7);letter-spacing:.04em;line-height:1;margin-bottom:16px;
}
.ly-step:hover{transform:translateY(-4px);border-color:rgba(47,227,196,.35);}
.ly-step p{margin-top:10px;font-size:14.5px;color:var(--t2);}

/* ============ FAQ ============ */
.ly-faq{border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;background:var(--bg1);box-shadow:var(--shadow);}
.ly-faq details{border-bottom:1px solid rgba(126,232,214,.10);}
.ly-faq details:last-child{border-bottom:none;}
.ly-faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:52px;padding:16px 22px;font-size:15.5px;font-weight:600;color:var(--t1);
  transition:background .2s ease,color .2s ease;
}
.ly-faq summary::-webkit-details-marker{display:none;}
.ly-faq summary:hover{background:rgba(255,255,255,.04);color:var(--pri);}
.ly-faq summary .ly-plus{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(47,227,196,.3);color:var(--pri);font-size:11px;
  transition:transform .26s ease,background .2s ease;
}
.ly-faq details[open] summary .ly-plus{transform:rotate(45deg);background:rgba(47,227,196,.12);}
.ly-faq .ly-answer{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--t2);}

/* ============ CTA ============ */
.ly-cta{
  position:relative;overflow:hidden;border-radius:var(--r-l);border:1px solid var(--line);
  background:
    radial-gradient(520px 240px at 82% 22%,rgba(47,227,196,.20),transparent 70%),
    radial-gradient(420px 240px at 8% 90%,rgba(255,122,77,.16),transparent 72%),
    linear-gradient(150deg,var(--bg2),var(--bg0));
  padding:48px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center;
  box-shadow:var(--shadow);
}
.ly-cta h2{font-size:clamp(22px,2.2vw,28px);font-weight:700;line-height:1.35;letter-spacing:-.01em;}
.ly-cta p{color:var(--t2);margin-top:12px;font-size:15px;max-width:620px;}
.ly-cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

/* ============ 页脚 ============ */
.ly-footer{background:var(--bg0);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:96px;}
.ly-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.ly-footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.ly-footer p{color:var(--t2);font-size:14px;line-height:1.8;max-width:340px;}
.ly-footer h4{font-size:14px;font-weight:600;color:var(--t1);margin-bottom:16px;letter-spacing:.02em;}
.ly-foot-links{display:flex;flex-direction:column;gap:11px;}
.ly-foot-links a{color:var(--t2);font-size:14px;display:inline-flex;align-items:center;gap:8px;}
.ly-foot-links a:hover{color:var(--pri);}
.ly-footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}

/* ============ 动效 ============ */
.ly-reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;}
.ly-reveal.is-in{opacity:1;transform:none;}

/* ============ 移动端 ============ */
@media (max-width:1023px){
  .ly-side{display:none;}
  .ly-main{margin-left:0;padding-top:56px;padding-bottom:72px;}
  .ly-topbar{
    display:flex;align-items:center;gap:12px;
    position:fixed;top:0;left:0;right:0;height:56px;z-index:150;
    padding:0 14px;
    background:rgba(6,17,25,.82);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  }
  .ly-topbar .ly-brand-mark{width:32px;height:32px;flex:0 0 32px;border-radius:10px;font-size:15px;}
  .ly-topbar-name{font-size:15px;font-weight:700;flex:1 1 auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .ly-burger{
    width:38px;height:38px;flex:0 0 38px;border-radius:11px;
    background:var(--glass);border:1px solid rgba(255,255,255,.12);color:var(--t1);font-size:16px;
    display:grid;place-items:center;cursor:pointer;
  }
  .ly-burger:hover{border-color:var(--pri);color:var(--pri);}
  .ly-topbar-cta{
    height:36px;padding:0 16px;border-radius:var(--r-pill);display:inline-flex;align-items:center;
    font-size:13px;font-weight:700;background:linear-gradient(135deg,var(--acc),var(--acc-d));color:#2A0C02;
    box-shadow:0 8px 22px -12px rgba(255,122,77,.8);white-space:nowrap;
  }
  .ly-topbar-cta:hover{color:#2A0C02;}
  .ly-mask{
    display:block;position:fixed;inset:0;z-index:160;background:rgba(3,9,14,.6);
    backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
    opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
  }
  .ly-mask.is-open{opacity:1;visibility:visible;}
  .ly-drawer{
    display:flex;flex-direction:column;
    position:fixed;top:0;left:0;bottom:0;width:300px;max-width:86vw;z-index:170;
    background:linear-gradient(180deg,var(--bg1),var(--bg0));
    border-right:1px solid var(--line);
    padding:20px 16px;
    transform:translateX(-102%);
    transition:transform .34s cubic-bezier(.4,0,.2,1);
    overflow-y:auto;
  }
  .ly-drawer.is-open{transform:translateX(0);}
  .ly-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
  .ly-drawer-brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;}
  .ly-drawer-close{
    width:36px;height:36px;border-radius:11px;background:var(--glass);
    border:1px solid rgba(255,255,255,.12);color:var(--t1);display:grid;place-items:center;cursor:pointer;
  }
  .ly-drawer .ly-nav-item span{opacity:1;}
  .ly-drawer .ly-nav-item{height:50px;font-size:15px;}
  .ly-drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);}
  .ly-drawer-foot .ly-btn{width:100%;}
  .ly-sticky-cta{
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    position:fixed;left:0;right:0;bottom:0;z-index:140;height:56px;
    padding:0 16px calc(env(safe-area-inset-bottom,0px));
    background:rgba(6,17,25,.9);border-top:1px solid var(--line);
    backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  }
  .ly-sticky-cta span{font-size:13px;color:var(--t2);}
  .ly-sticky-cta a{
    height:38px;padding:0 18px;border-radius:var(--r-pill);display:inline-flex;align-items:center;
    font-size:13.5px;font-weight:700;background:linear-gradient(135deg,var(--acc),var(--acc-d));color:#2A0C02;
    white-space:nowrap;
  }
  .ly-sticky-cta a:hover{color:#2A0C02;}
  .ly-hero{padding:44px 0 52px;}
  .ly-hero-grid{grid-template-columns:1fr;gap:36px;}
  .ly-phone{max-width:270px;}
  .ly-section{padding:56px 0;}
  .ly-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ly-alt{flex-direction:column;gap:26px;margin-bottom:56px;}
  .ly-alt-media{flex:0 0 auto;width:100%;}
  .ly-alt--rev .ly-alt-media{order:0;}
  .ly-alt--rev .ly-alt-text{order:0;}
  .ly-steps{grid-template-columns:1fr;}
  .ly-cta{grid-template-columns:1fr;padding:34px 24px;}
  .ly-footer{padding:52px 0 84px;margin-top:64px;}
  .ly-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:520px){
  .ly-container{padding:0 18px;}
  body{font-size:15px;line-height:1.8;}
  .ly-actions{gap:10px;}
  .ly-btn{width:100%;}
  .ly-stats{grid-template-columns:1fr;}
  .ly-footer-grid{grid-template-columns:1fr;}
  .ly-hero-sub{font-size:15px;}
  .ly-faq summary{padding:14px 16px;font-size:15px;}
  .ly-faq .ly-answer{padding:0 16px 18px;}
  .ly-cta-actions{width:100%;}
  .ly-cta-actions .ly-btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .ly-reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --bg0:#061119;
  --bg1:#0A1A24;
  --bg2:#0E232E;
  --pri:#2FE3C4;
  --pri-d:#12A88E;
  --acc:#FF7A4D;
  --acc-d:#E85C2E;
  --warn:#FFC24B;
  --t1:#EAF6F4;
  --t2:#A6BCC2;
  --t3:#7A9099;
  --line:rgba(126,232,214,.14);
  --glass:rgba(255,255,255,.045);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --rail:84px;
  --rail-open:260px;
  --shadow-card:0 24px 48px -32px rgba(0,0,0,.9);
  --glow-pri:0 0 0 1px rgba(47,227,196,.30),0 10px 30px -12px rgba(47,227,196,.55);
  --glow-acc:0 0 0 1px rgba(255,122,77,.35),0 10px 30px -12px rgba(255,122,77,.60);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background-color:var(--bg0);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 620px at 78% -12%,rgba(47,227,196,.16),transparent 62%),
    radial-gradient(760px 520px at 8% 108%,rgba(18,168,142,.13),transparent 66%),
    linear-gradient(180deg,var(--bg0),var(--bg1) 46%,var(--bg0));
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.55;
  background-image:
    linear-gradient(rgba(126,232,214,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(126,232,214,.05) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(circle at 50% 12%,#000,transparent 74%);
  mask-image:radial-gradient(circle at 50% 12%,#000,transparent 74%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
a:hover{color:var(--pri)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--t1)}
h1{font-size:clamp(30px,3.2vw,44px);line-height:1.2;letter-spacing:-.02em;font-weight:800}
h2{font-size:clamp(22px,2.2vw,30px);line-height:1.3}
h3{font-size:18px;line-height:1.45}
p{margin:0 0 1em}
:focus-visible{outline:2px solid var(--pri);outline-offset:2px}
.ly-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.ly-container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.ly-shell{min-height:100vh;padding-top:56px;padding-bottom:72px}
@media (min-width:1024px){
  .ly-shell{padding-left:var(--rail);padding-top:0;padding-bottom:0}
}
.ly-section{padding:56px 0}
@media (min-width:1024px){.ly-section{padding:88px 0}}

/* ---------- left rail (desktop) ---------- */
.ly-rail{display:none}
@media (min-width:1024px){
  .ly-rail{
    position:fixed;left:0;top:0;bottom:0;width:var(--rail);
    display:flex;flex-direction:column;
    padding:20px 14px 22px;z-index:60;overflow:hidden;
    background:linear-gradient(180deg,rgba(10,26,36,.97),rgba(6,17,25,.99));
    border-right:1px solid var(--line);
    backdrop-filter:blur(14px) saturate(140%);
    transition:width .28s ease;
  }
  .ly-rail:hover,.ly-rail:focus-within{width:var(--rail-open)}
}
.ly-rail-brand{display:flex;align-items:center;gap:12px;padding:6px 4px 18px;color:var(--t1)}
.ly-brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:grid;place-items:center;font-size:16px;font-weight:800;color:#04140f;
  background:linear-gradient(135deg,var(--pri),var(--pri-d));
  box-shadow:0 0 0 1px rgba(47,227,196,.32),0 10px 24px -14px rgba(47,227,196,.75);
}
.ly-rail-text{font-size:15px;font-weight:700;white-space:nowrap;opacity:0;transition:opacity .2s ease}
.ly-rail:hover .ly-rail-text,.ly-rail:focus-within .ly-rail-text{opacity:1}
.ly-nav{display:flex;flex-direction:column;gap:4px;margin-top:6px;flex:1 1 auto}
.ly-nav a{
  position:relative;display:flex;align-items:center;gap:14px;
  height:48px;padding:0 13px;border-radius:12px;
  color:var(--t2);font-size:14px;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.ly-nav a i{width:20px;font-size:16px;text-align:center;flex:0 0 20px}
.ly-nav a .ly-label{opacity:0;transition:opacity .2s ease}
.ly-rail:hover .ly-nav a .ly-label,.ly-rail:focus-within .ly-nav a .ly-label{opacity:1}
.ly-nav a:hover{color:var(--t1);background:rgba(47,227,196,.06)}
.ly-nav a.is-active{color:var(--t1);background:rgba(47,227,196,.08)}
.ly-nav a.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--pri);box-shadow:0 0 12px var(--pri);
}
.ly-rail-sep{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);margin:12px 4px}
.ly-rail-cta{
  display:flex;align-items:center;justify-content:center;gap:10px;
  height:46px;border-radius:var(--r-pill);white-space:nowrap;
  background:linear-gradient(135deg,var(--acc),var(--acc-d));
  color:#fff;font-size:14px;font-weight:700;
  box-shadow:var(--glow-acc);transition:transform .2s ease,box-shadow .2s ease;
}
.ly-rail-cta span{opacity:0;width:0;overflow:hidden;transition:opacity .2s ease}
.ly-rail:hover .ly-rail-cta span,.ly-rail:focus-within .ly-rail-cta span{opacity:1;width:auto}
.ly-rail-cta:hover{color:#fff;transform:translateY(-2px)}

/* ---------- mobile topbar ---------- */
.ly-topbar{
  position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  display:flex;align-items:center;gap:12px;padding:0 14px;
  background:rgba(8,20,28,.78);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
@media (min-width:1024px){.ly-topbar{display:none}}
.ly-burger{
  width:40px;height:40px;flex:0 0 40px;display:grid;place-items:center;
  background:transparent;border:1px solid var(--line);border-radius:10px;
  color:var(--t1);font-size:16px;cursor:pointer;transition:border-color .2s ease,color .2s ease;
}
.ly-burger:hover{border-color:var(--pri);color:var(--pri)}
.ly-topbar .ly-brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:14px;border-radius:9px}
.ly-topbar-name{font-size:15px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ly-topbar-cta{
  margin-left:auto;flex:0 0 auto;height:36px;padding:0 16px;
  display:inline-flex;align-items:center;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--pri),var(--pri-d));color:#04140f;
  font-size:13px;font-weight:700;box-shadow:var(--glow-pri);
}
.ly-topbar-cta:hover{color:#04140f}

.ly-mask{
  position:fixed;inset:0;z-index:80;background:rgba(3,10,15,.6);
  backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.ly-mask.is-open{opacity:1;visibility:visible}
.ly-drawer{
  position:fixed;top:0;left:0;bottom:0;width:300px;max-width:86vw;z-index:90;
  display:flex;flex-direction:column;padding:20px 18px 24px;
  background:linear-gradient(180deg,#0A1A24,#061119);
  border-right:1px solid var(--line);
  transform:translateX(-102%);transition:transform .3s ease;
}
.ly-drawer.is-open{transform:translateX(0)}
.ly-drawer .ly-nav{margin-top:14px}
.ly-drawer .ly-nav a{opacity:1}
.ly-drawer .ly-nav a .ly-label{opacity:1}
.ly-drawer .ly-rail-text{opacity:1}
@media (min-width:1024px){.ly-mask,.ly-drawer{display:none}}

/* ---------- hero ---------- */
.ly-hero{position:relative;overflow:hidden;padding:40px 0 52px}
@media (min-width:1024px){.ly-hero{padding:64px 0 72px}}
.ly-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    linear-gradient(180deg,rgba(6,17,25,.62),rgba(6,17,25,.94)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.85;
}
.ly-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;z-index:0;
  background:linear-gradient(90deg,transparent,rgba(47,227,196,.35),transparent);
}
.ly-hero > .ly-container{position:relative;z-index:1}
.ly-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:18px}
.ly-crumb a{color:var(--t2)}
.ly-crumb a:hover{color:var(--pri)}
.ly-crumb .ly-crumb-sep{color:var(--t3);opacity:.6}
.ly-kicker{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--pri);background:rgba(47,227,196,.10);border:1px solid rgba(47,227,196,.24);
  margin-bottom:16px;
}
.ly-hero-grid{display:grid;gap:34px;align-items:center}
@media (min-width:1024px){.ly-hero-grid{grid-template-columns:1.02fr .98fr;gap:56px}}
.ly-hero-sub{font-size:16px;color:var(--t2);max-width:560px;margin:16px 0 26px}
.ly-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.ly-trust{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;font-size:13px;color:var(--t3)}
.ly-trust li{display:flex;align-items:center;gap:8px}
.ly-trust li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--pri);box-shadow:0 0 8px var(--pri)}
.ly-hero-media{
  position:relative;border-radius:var(--r-l);overflow:hidden;
  border:1px solid rgba(255,255,255,.08);background:var(--bg2);
  box-shadow:var(--shadow-card);backdrop-filter:blur(14px) saturate(140%);
}
.ly-hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.ly-hero-media .ly-hero-media-veil{
  position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,17,25,.05) 35%,rgba(6,17,25,.82));
  pointer-events:none;
}
.ly-media-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:63px;height:63px;border-radius:50%;display:grid;place-items:center;
  background:rgba(47,227,196,.16);border:1px solid rgba(47,227,196,.5);
  color:var(--pri);font-size:20px;backdrop-filter:blur(8px);
  box-shadow:0 0 0 10px rgba(47,227,196,.06);
}
.ly-media-tag{
  position:absolute;left:16px;bottom:16px;
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;
  color:var(--t1);background:rgba(6,17,25,.62);border:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.ly-media-tag--right{left:auto;right:16px;bottom:16px;color:var(--warn);border-color:rgba(255,194,75,.3)}
.ly-media-bar{
  position:absolute;left:16px;right:16px;bottom:56px;height:3px;border-radius:3px;
  background:rgba(255,255,255,.16);overflow:hidden;
}
.ly-media-bar span{display:block;height:100%;width:46%;border-radius:3px;background:linear-gradient(90deg,var(--pri),var(--pri-d));box-shadow:0 0 12px rgba(47,227,196,.7)}

/* ---------- metrics ---------- */
.ly-metrics{margin-top:-28px;position:relative;z-index:2}
@media (min-width:1024px){.ly-metrics{margin-top:-34px}}
.ly-metric{
  height:100%;padding:20px;border-radius:var(--r-m);
  background:linear-gradient(180deg,rgba(14,35,46,.94),rgba(10,26,36,.94));
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .22s ease,border-color .22s ease;
}
.ly-metric:hover{transform:translateY(-3px);border-color:rgba(47,227,196,.4)}
.ly-metric b{display:block;font-size:26px;font-weight:800;color:var(--pri);line-height:1.2;letter-spacing:-.01em}
.ly-metric span{display:block;font-size:13px;color:var(--t2);margin-top:6px}

/* ---------- section head ---------- */
.ly-sec-head{margin-bottom:30px;max-width:760px}
.ly-sec-head h2{margin-bottom:10px}
.ly-sec-head h2::before{
  content:"";display:inline-block;width:4px;height:1em;border-radius:4px;
  background:linear-gradient(180deg,var(--pri),var(--pri-d));
  box-shadow:0 0 12px rgba(47,227,196,.7);
  margin-right:12px;vertical-align:-.08em;
}
.ly-sec-head p{color:var(--t2);font-size:15px;margin:0}
.ly-eyebrow{display:block;font-size:12px;letter-spacing:.16em;color:var(--pri);margin-bottom:10px;font-weight:600}

/* ---------- timeline ---------- */
.ly-timeline{position:relative;padding-left:36px;margin-top:8px}
.ly-timeline::before{
  content:"";position:absolute;left:9px;top:10px;bottom:12px;width:1px;
  background:linear-gradient(180deg,rgba(47,227,196,.6),rgba(126,232,214,.06));
}
.ly-step{position:relative;padding-bottom:30px}
.ly-step:last-child{padding-bottom:0}
.ly-step::before{
  content:"";position:absolute;left:-31px;top:8px;width:12px;height:12px;border-radius:50%;
  background:#04140f;border:2px solid var(--pri);box-shadow:0 0 12px rgba(47,227,196,.65);
}
.ly-step-no{font-size:12px;letter-spacing:.14em;color:var(--pri);font-weight:700}
.ly-step h3{margin:6px 0 8px}
.ly-step p{color:var(--t2);font-size:15px;margin:0}
.ly-step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.ly-chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;color:var(--t2);background:var(--glass);border:1px solid var(--line);
}
.ly-chip--pri{color:var(--pri);background:rgba(47,227,196,.10);border-color:rgba(47,227,196,.26)}
.ly-chip--acc{color:var(--acc);background:rgba(255,122,77,.10);border-color:rgba(255,122,77,.28)}

/* ---------- cards ---------- */
.ly-cardgrid{margin-left:-12px;margin-right:-12px}
.ly-cardgrid > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px}
.ly-card{
  position:relative;height:100%;border-radius:var(--r-l);overflow:hidden;
  background:linear-gradient(180deg,rgba(14,35,46,.92),rgba(10,26,36,.95));
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .25s ease,border-color .25s ease;
}
.ly-card::before{
  content:"";position:absolute;left:18px;right:18px;top:0;height:1px;z-index:2;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.36),transparent);
}
.ly-card:hover{transform:translateY(-4px);border-color:rgba(47,227,196,.42)}
.ly-card-media{position:relative;overflow:hidden}
.ly-card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s ease}
.ly-card:hover .ly-card-media img{transform:scale(1.04)}
.ly-card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 46%,rgba(6,17,25,.72))}
.ly-badge{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;color:var(--pri);background:rgba(47,227,196,.12);
  border:1px solid rgba(47,227,196,.26);
}
.ly-badge--acc{color:var(--acc);background:rgba(255,122,77,.12);border-color:rgba(255,122,77,.28)}
.ly-card-body{padding:20px}
.ly-card-body h3{margin-bottom:8px}
.ly-card-body p{color:var(--t2);font-size:14px;margin:0 0 14px}
.ly-card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--t3)}
.ly-card-cta{color:var(--pri);font-weight:600}
.ly-card-cta i{font-size:12px;margin-left:6px;transition:transform .2s ease}
.ly-card:hover .ly-card-cta i{transform:translateX(3px)}
.ly-card--wide .ly-card-media img{aspect-ratio:21/9}

/* ---------- table ---------- */
.ly-table-wrap{
  border:1px solid var(--line);border-radius:var(--r-l);overflow:auto;
  background:rgba(10,26,36,.72);box-shadow:var(--shadow-card);
}
table.ly-table{width:100%;min-width:600px;border-collapse:collapse;margin:0;font-size:14px}
table.ly-table caption{display:none}
.ly-table th{
  padding:15px 18px;text-align:left;font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--t1);background:rgba(47,227,196,.09);
  border-bottom:1px solid rgba(47,227,196,.22);white-space:nowrap;
}
.ly-table td{padding:15px 18px;color:var(--t2);border-bottom:1px solid rgba(126,232,214,.08)}
.ly-table tbody tr:last-child td{border-bottom:none}
.ly-table tbody tr:hover td{background:rgba(47,227,196,.05);color:var(--t1)}
.ly-table td strong{color:var(--t1);font-weight:700}

/* ---------- scenario tags ---------- */
.ly-scene{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.ly-scene span{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;
  border-radius:var(--r-pill);font-size:13px;color:var(--t2);
  background:var(--glass);border:1px solid var(--line);transition:.2s ease;
}
.ly-scene span:hover{color:var(--t1);border-color:rgba(47,227,196,.4);transform:translateY(-2px)}
.ly-scene span i{color:var(--pri);font-size:12px}

/* ---------- faq ---------- */
.ly-faq{border-top:1px solid var(--line)}
.ly-faq details{border-bottom:1px solid var(--line)}
.ly-faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:52px;padding:15px 4px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--t1);transition:color .2s ease;
}
.ly-faq summary::-webkit-details-marker{display:none}
.ly-faq summary:hover{color:var(--pri)}
.ly-faq-ico{
  width:26px;height:26px;flex:0 0 26px;border-radius:50%;
  display:grid;place-items:center;font-size:11px;
  color:var(--pri);border:1px solid rgba(47,227,196,.32);background:rgba(47,227,196,.08);
  transition:transform .28s ease;
}
.ly-faq details[open] .ly-faq-ico{transform:rotate(45deg)}
.ly-faq-body{padding:0 4px 18px;color:var(--t2);font-size:15px;line-height:1.8;max-width:860px}

/* ---------- cta ---------- */
.ly-cta{
  position:relative;overflow:hidden;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  padding:32px;border-radius:var(--r-l);
  background:linear-gradient(120deg,rgba(47,227,196,.14),rgba(255,122,77,.10)),var(--bg2);
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.ly-cta::before{
  content:"";position:absolute;inset:0;opacity:.4;
  background:url('/assets/images/backpic/back-3.png') right center/cover no-repeat;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000);mask-image:linear-gradient(90deg,transparent,#000);
}
.ly-cta > *{position:relative;z-index:1}
.ly-cta h2{margin-bottom:8px;font-size:clamp(20px,2vw,26px)}
.ly-cta p{margin:0;color:var(--t2);font-size:15px}

/* ---------- buttons ---------- */
.ly-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease;
}
.ly-btn:active{transform:translateY(1px)}
.ly-btn-pri{background:linear-gradient(135deg,var(--pri),var(--pri-d));color:#04140f;box-shadow:var(--glow-pri)}
.ly-btn-pri:hover{color:#04140f;transform:translateY(-2px)}
.ly-btn-acc{background:linear-gradient(135deg,var(--acc),var(--acc-d));color:#fff;box-shadow:var(--glow-acc)}
.ly-btn-acc:hover{color:#fff;transform:translateY(-2px)}
.ly-btn-ghost{background:var(--glass);border-color:var(--line);color:var(--t1)}
.ly-btn-ghost:hover{border-color:var(--pri);color:var(--pri);transform:translateY(-2px)}
.ly-btn-sm{height:42px;padding:0 20px;font-size:14px}

/* ---------- footer ---------- */
.ly-footer{
  background:var(--bg0);border-top:1px solid var(--line);
  padding:56px 0 26px;margin-top:8px;
}
.ly-footer-grid{display:grid;gap:32px}
@media (min-width:768px){.ly-footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.ly-footer-grid{grid-template-columns:1.4fr .9fr .9fr .9fr}}
.ly-footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.ly-footer p{color:var(--t3);font-size:14px;margin:0;max-width:320px}
.ly-footer h4{font-size:14px;color:var(--t1);margin-bottom:14px;letter-spacing:.04em}
.ly-foot-links{display:flex;flex-direction:column;gap:10px}
.ly-foot-links a{color:var(--t2);font-size:14px;transition:color .2s ease,transform .2s ease}
.ly-foot-links a:hover{color:var(--pri);transform:translateX(3px)}
.ly-footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);
}

/* ---------- sticky mobile cta ---------- */
.ly-sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:65;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  height:56px;padding:0 16px;
  background:rgba(6,17,25,.92);backdrop-filter:blur(14px) saturate(140%);
  border-top:1px solid var(--line);
}
.ly-sticky-cta span{font-size:13px;color:var(--t2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (min-width:1024px){.ly-sticky-cta{display:none}}

/* ---------- reveal ---------- */
.ly-reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.ly-reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .ly-reveal{opacity:1;transform:none;transition:none}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* roulang page: category4 */
:root{
  --bg0:#061119;
  --bg1:#0A1A24;
  --bg2:#0E232E;
  --pri:#2FE3C4;
  --pri-d:#12A88E;
  --acc:#FF7A4D;
  --acc-d:#E85C2E;
  --warn:#FFC24B;
  --t1:#EAF6F4;
  --t2:#A6BCC2;
  --t3:#7A9099;
  --line:rgba(126,232,214,.14);
  --line-soft:rgba(255,255,255,.07);
  --glass:rgba(255,255,255,.045);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --sh-card:0 24px 48px -32px rgba(0,0,0,.9);
  --sh-pri:0 0 0 1px rgba(47,227,196,.30),0 10px 30px -12px rgba(47,227,196,.55);
  --sh-acc:0 0 0 1px rgba(255,122,77,.32),0 10px 30px -12px rgba(255,122,77,.55);
  --side-w:84px;
  --side-w-open:260px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg0);
  color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(760px 420px at 82% -6%, rgba(47,227,196,.10), transparent 62%),
    radial-gradient(620px 380px at 4% 34%, rgba(18,168,142,.09), transparent 66%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--pri);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--pri);outline-offset:2px;border-radius:6px;}
.ly-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.ly-container{width:100%;max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px;}

/* ============ 侧边导航 ============ */
.ly-sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--side-w);
  background:linear-gradient(180deg,rgba(10,26,36,.97),rgba(6,17,25,.99));
  border-right:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  z-index:1200;display:flex;flex-direction:column;
  overflow:hidden;transition:width .28s cubic-bezier(.4,0,.2,1);
}
.ly-sidebar:hover,.ly-sidebar:focus-within{width:var(--side-w-open);}
.ly-side-brand{display:flex;align-items:center;gap:14px;height:72px;padding:0 22px;flex:0 0 auto;border-bottom:1px solid var(--line);}
.ly-brand-mark{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;color:#04231d;
  background:linear-gradient(140deg,var(--pri),var(--pri-d));
  box-shadow:0 0 0 1px rgba(47,227,196,.4),0 10px 24px -12px rgba(47,227,196,.7);
}
.ly-side-text{white-space:nowrap;opacity:0;transform:translateX(-8px);transition:opacity .22s ease,transform .22s ease;pointer-events:none;}
.ly-sidebar:hover .ly-side-text,.ly-sidebar:focus-within .ly-side-text{opacity:1;transform:none;pointer-events:auto;}
.ly-side-brandname{font-size:15px;font-weight:700;color:var(--t1);}
.ly-side-nav{flex:1 1 auto;padding:14px 0;display:flex;flex-direction:column;gap:2px;overflow-y:auto;}
.ly-side-nav::-webkit-scrollbar{width:0;}
.ly-side-link{
  position:relative;display:flex;align-items:center;gap:14px;height:48px;
  padding:0 22px;color:var(--t2);font-size:14px;font-weight:500;white-space:nowrap;
}
.ly-side-link i{width:20px;font-size:17px;text-align:center;flex:0 0 auto;}
.ly-side-link:hover{background:rgba(255,255,255,.04);color:var(--t1);}
.ly-side-link.active{background:rgba(47,227,196,.08);color:var(--t1);}
.ly-side-link.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--pri);box-shadow:0 0 14px var(--pri);
}
.ly-side-sep{height:1px;margin:12px 22px;background:linear-gradient(90deg,rgba(126,232,214,.28),transparent);}
.ly-side-foot{flex:0 0 auto;padding:0 16px 22px;}
.ly-side-cta{
  display:flex;align-items:center;gap:12px;height:48px;padding-left:6px;
  border-radius:var(--r-pill);color:#2a1004;font-weight:700;font-size:14px;white-space:nowrap;
  background:linear-gradient(135deg,var(--acc),var(--acc-d));
  box-shadow:var(--sh-acc);transition:transform .2s ease,box-shadow .2s ease;
}
.ly-side-cta i{width:20px;text-align:center;font-size:15px;flex:0 0 auto;}
.ly-side-cta:hover{color:#2a1004;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,122,77,.5),0 16px 34px -14px rgba(255,122,77,.8);}
.ly-side-cta:active{transform:translateY(1px);}

/* ============ 移动端顶栏 ============ */
.ly-topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:1300;
  align-items:center;gap:12px;padding:0 14px;
  background:rgba(8,22,30,.86);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.ly-burger{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--glass);color:var(--t1);font-size:16px;display:inline-flex;
  align-items:center;justify-content:center;cursor:pointer;transition:border-color .2s ease,background-color .2s ease;
}
.ly-burger:hover{border-color:rgba(47,227,196,.5);background:rgba(47,227,196,.08);}
.ly-topbar-name{font-size:15px;font-weight:700;color:var(--t1);flex:1 1 auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.ly-topbar-cta{
  flex:0 0 auto;height:36px;padding:0 16px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:13px;font-weight:700;color:#2a1004;
  background:linear-gradient(135deg,var(--acc),var(--acc-d));box-shadow:var(--sh-acc);
}
.ly-topbar-cta:hover{color:#2a1004;}
.ly-scrim{
  position:fixed;inset:0;background:rgba(4,12,17,.6);backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:opacity .28s ease;z-index:1150;
}
.ly-scrim.show{opacity:1;visibility:visible;}

/* ============ 主区域 ============ */
.ly-main{margin-left:var(--side-w);min-height:100vh;}

/* ============ Hero ============ */
.ly-hero{
  position:relative;overflow:hidden;padding:90px 0 78px;
  background:
    linear-gradient(180deg,rgba(6,17,25,.62) 0%,rgba(6,17,25,.88) 62%,var(--bg0) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat,
    var(--bg1);
  border-bottom:1px solid var(--line);
}
.ly-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(126,232,214,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(126,232,214,.06) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(70% 70% at 30% 40%,#000,transparent 78%);
  -webkit-mask-image:radial-gradient(70% 70% at 30% 40%,#000,transparent 78%);
}
.ly-hero .ly-container{position:relative;z-index:2;}
.ly-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:22px;}
.ly-crumb a{color:var(--t2);}
.ly-crumb a:hover{color:var(--pri);}
.ly-crumb span.sep{color:var(--t3);}
.ly-badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(47,227,196,.12);color:var(--pri);border:1px solid rgba(47,227,196,.28);
}
.ly-badge.warm{background:rgba(255,122,77,.12);color:var(--acc);border-color:rgba(255,122,77,.3);}
.ly-hero h1{
  font-size:clamp(30px,3.2vw,44px);line-height:1.2;font-weight:800;letter-spacing:-.02em;
  margin:18px 0 16px;max-width:15em;
}
.ly-hero h1 em{font-style:normal;color:var(--pri);}
.ly-hero-sub{font-size:16px;color:var(--t2);max-width:34em;margin-bottom:28px;}
.ly-hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:26px;}
.ly-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
}
.ly-btn-pri{color:#04231d;background:linear-gradient(135deg,var(--pri),var(--pri-d));box-shadow:var(--sh-pri);}
.ly-btn-pri:hover{color:#04231d;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(47,227,196,.55),0 16px 34px -14px rgba(47,227,196,.85);}
.ly-btn-acc{color:#2a1004;background:linear-gradient(135deg,var(--acc),var(--acc-d));box-shadow:var(--sh-acc);}
.ly-btn-acc:hover{color:#2a1004;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,122,77,.55),0 16px 34px -14px rgba(255,122,77,.85);}
.ly-btn-ghost{color:var(--t1);background:var(--glass);border-color:rgba(255,255,255,.14);backdrop-filter:blur(14px) saturate(140%);}
.ly-btn-ghost:hover{color:var(--t1);border-color:rgba(47,227,196,.6);background:rgba(47,227,196,.08);transform:translateY(-2px);}
.ly-btn:active{transform:translateY(1px);}
.ly-trust{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:var(--t2);}
.ly-trust i{color:var(--pri);margin-right:6px;font-size:12px;}
.ly-trust .dash{width:1px;height:12px;background:rgba(126,232,214,.28);display:inline-block;}

.ly-hero-side{
  position:relative;border-radius:var(--r-l);overflow:hidden;
  border:1px solid var(--line);background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-card);padding:14px;
}
.ly-hero-side img{border-radius:calc(var(--r-l) - 8px);width:100%;height:280px;object-fit:cover;}
.ly-hero-side .cap{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 6px 4px;}
.ly-hero-side .cap strong{font-size:15px;}
.ly-hero-side .cap span{font-size:12px;color:var(--t3);}
.ly-hero-meter{display:flex;gap:8px;padding:10px 6px 2px;}
.ly-hero-meter .bar{flex:1 1 0;height:6px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);overflow:hidden;}
.ly-hero-meter .bar i{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--pri),var(--pri-d));}
.ly-hero-meter .bar:nth-child(2) i{width:74%;}
.ly-hero-meter .bar:nth-child(3) i{width:52%;background:linear-gradient(90deg,var(--acc),var(--acc-d));}
.ly-hero-meter .bar:nth-child(1) i{width:92%;}

/* ============ 通用板块 ============ */
.ly-section{padding:88px 0;}
.ly-section.tight{padding:64px 0;}
.ly-section.alt{background:linear-gradient(180deg,rgba(14,35,46,.55),rgba(6,17,25,0));border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.ly-sec-head{margin-bottom:34px;max-width:44em;}
.ly-sec-head .eyebrow{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--pri);display:block;margin-bottom:10px;}
.ly-sec-head h2{font-size:clamp(22px,2.2vw,30px);margin-bottom:12px;}
.ly-sec-head p{color:var(--t2);font-size:15px;}

/* ============ 标签云 ============ */
.ly-tags{display:flex;flex-wrap:wrap;gap:12px;}
.ly-tag{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--t2);
  background:var(--bg2);border:1px solid var(--line-soft);
  transition:transform .2s ease,border-color .2s ease,color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.ly-tag i{font-size:13px;color:var(--pri);}
.ly-tag em{font-style:normal;font-size:12px;color:var(--t3);}
.ly-tag:hover{color:var(--t1);border-color:rgba(47,227,196,.5);background:rgba(47,227,196,.08);transform:translateY(-3px);box-shadow:0 14px 30px -20px rgba(47,227,196,.9);}
.ly-tag.hot{border-color:rgba(255,122,77,.34);color:var(--t1);}
.ly-tag.hot i{color:var(--acc);}
.ly-tag.hot:hover{border-color:rgba(255,122,77,.7);background:rgba(255,122,77,.1);}

/* ============ 数据条 ============ */
.ly-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.ly-stat{
  padding:24px;border-radius:var(--r-m);position:relative;overflow:hidden;
  background:rgba(255,255,255,.035);border:1px solid var(--line-soft);
  box-shadow:var(--sh-card);
}
.ly-stat::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(126,232,214,.55),transparent);
}
.ly-stat b{display:block;font-size:clamp(26px,2.6vw,34px);font-weight:800;color:var(--pri);letter-spacing:-.02em;line-height:1.2;}
.ly-stat b em{font-style:normal;font-size:16px;color:var(--t2);margin-left:4px;font-weight:600;}
.ly-stat span{display:block;font-size:13px;color:var(--t3);margin-top:8px;}

/* ============ 纵向列表 ============ */
.ly-rows{display:flex;flex-direction:column;}
.ly-row{
  display:grid;grid-template-columns:64px 168px 1fr auto;gap:22px;align-items:center;
  padding:22px 20px;border-radius:var(--r-m);position:relative;
  border-bottom:1px solid transparent;
  transition:background-color .22s ease,transform .22s ease;
}
.ly-row + .ly-row::before{
  content:"";position:absolute;top:0;left:20px;right:20px;height:1px;
  background:linear-gradient(90deg,rgba(126,232,214,.24),rgba(126,232,214,.02));
}
.ly-row:hover{background:rgba(47,227,196,.055);transform:translateX(4px);}
.ly-row:hover::after{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;
  background:var(--pri);box-shadow:0 0 14px var(--pri);
}
.ly-row-rank{
  font-size:32px;font-weight:800;line-height:1;letter-spacing:-.03em;
  color:transparent;-webkit-text-stroke:1.4px rgba(47,227,196,.55);text-align:center;
}
.ly-row:hover .ly-row-rank{-webkit-text-stroke-color:var(--pri);}
.ly-row-thumb{border-radius:var(--r-m);overflow:hidden;border:1px solid var(--line);position:relative;}
.ly-row-thumb img{width:100%;height:108px;object-fit:cover;transition:transform .35s ease;}
.ly-row:hover .ly-row-thumb img{transform:scale(1.06);}
.ly-row-body h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.ly-row-body p{font-size:14px;color:var(--t2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ly-row-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.ly-chip{
  display:inline-flex;align-items:center;height:20px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:rgba(47,227,196,.1);color:var(--pri);border:1px solid rgba(47,227,196,.2);
}
.ly-chip.warm{background:rgba(255,122,77,.1);color:var(--acc);border-color:rgba(255,122,77,.24);}
.ly-chip.plain{background:rgba(255,255,255,.05);color:var(--t2);border-color:var(--line-soft);}
.ly-row-meta{text-align:right;font-size:13px;color:var(--t3);white-space:nowrap;line-height:2;}
.ly-row-meta strong{display:block;color:var(--t1);font-size:14px;font-weight:600;}
.ly-row-meter{width:104px;height:5px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);margin:10px 0 0 auto;overflow:hidden;}
.ly-row-meter i{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--pri),var(--pri-d));}
.ly-row:nth-child(2n) .ly-row-meter i{background:linear-gradient(90deg,var(--warn),var(--acc));}

/* ============ 偏好表单 ============ */
.ly-form-wrap{
  border-radius:var(--r-l);padding:32px;
  background:linear-gradient(160deg,rgba(14,35,46,.9),rgba(8,22,30,.9));
  border:1px solid var(--line);box-shadow:var(--sh-card);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
}
.ly-form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 24px;}
.ly-field{display:flex;flex-direction:column;gap:9px;}
.ly-field.full{grid-column:1 / -1;}
.ly-field label{font-size:13px;font-weight:600;color:var(--t2);}
.ly-field .hint{font-size:12px;color:var(--t3);}
.ly-input,.ly-select{
  height:48px;padding:0 16px;border-radius:var(--r-s);color:var(--t1);font-size:14px;
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.12);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
  width:100%;appearance:none;
}
.ly-select{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%232FE3C4' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;padding-right:42px;
}
.ly-input::placeholder{color:var(--t3);}
.ly-input:focus,.ly-select:focus{
  outline:none;border-color:var(--pri);background:rgba(47,227,196,.06);
  box-shadow:0 0 0 4px rgba(47,227,196,.13),0 0 14px -2px rgba(47,227,196,.45);
}
.ly-choices{display:flex;flex-wrap:wrap;gap:10px;}
.ly-choice{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:var(--r-pill);
  font-size:13px;color:var(--t2);cursor:pointer;background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.12);transition:all .2s ease;
}
.ly-choice input{accent-color:var(--pri);margin:0;}
.ly-choice:hover{border-color:rgba(47,227,196,.5);color:var(--t1);}
.ly-choice:has(input:checked){background:rgba(47,227,196,.12);border-color:rgba(47,227,196,.6);color:var(--t1);}
.ly-form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line-soft);}
.ly-form-foot .note{font-size:13px;color:var(--t3);}
.ly-err{font-size:12px;color:var(--acc);display:none;}
.ly-err.show{display:block;}

/* ============ FAQ ============ */
.ly-faq{border-top:1px solid var(--line);}
.ly-faq-item{border-bottom:1px solid var(--line);}
.ly-faq-q{
  width:100%;min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;color:var(--t1);font-size:16px;font-weight:600;text-align:left;
  padding:16px 0;cursor:pointer;transition:color .2s ease;
}
.ly-faq-q:hover{color:var(--pri);}
.ly-faq-q .ic{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(47,227,196,.35);color:var(--pri);font-size:12px;
  transition:transform .28s ease,background-color .28s ease;
}
.ly-faq-item.open .ly-faq-q .ic{transform:rotate(45deg);background:rgba(47,227,196,.14);}
.ly-faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.ly-faq-a p{font-size:15px;color:var(--t2);line-height:1.8;padding:0 0 20px;max-width:52em;}

/* ============ CTA 长条 ============ */
.ly-cta-band{
  border-radius:var(--r-l);padding:38px 36px;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:24px;position:relative;overflow:hidden;
  background:
    linear-gradient(120deg,rgba(47,227,196,.14),rgba(6,17,25,.4) 62%),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat,
    var(--bg2);
  border:1px solid rgba(47,227,196,.26);box-shadow:var(--sh-card);
}
.ly-cta-band h2{font-size:clamp(20px,2vw,26px);margin-bottom:10px;}
.ly-cta-band p{color:var(--t2);font-size:14px;max-width:40em;}

/* ============ 页脚 ============ */
.ly-footer{background:var(--bg0);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:20px;}
.ly-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.ly-footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.ly-footer p{font-size:14px;color:var(--t2);max-width:30em;}
.ly-footer h4{font-size:14px;font-weight:700;color:var(--t1);margin-bottom:16px;letter-spacing:.02em;}
.ly-foot-links{display:flex;flex-direction:column;gap:11px;}
.ly-foot-links a{font-size:14px;color:var(--t2);}
.ly-foot-links a:hover{color:var(--pri);}
.ly-footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--t3);
}

/* ============ 移动端底部 CTA ============ */
.ly-mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1250;
  height:56px;padding:0 14px calc(0px + env(safe-area-inset-bottom,0px));
  align-items:center;justify-content:space-between;gap:12px;
  background:rgba(8,22,30,.92);border-top:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  height:calc(56px + env(safe-area-inset-bottom,0px));
}
.ly-mobile-cta span{font-size:13px;color:var(--t2);}
.ly-mobile-cta a{
  flex:0 0 auto;height:40px;padding:0 20px;border-radius:var(--r-pill);display:inline-flex;align-items:center;
  font-size:14px;font-weight:700;color:#2a1004;background:linear-gradient(135deg,var(--acc),var(--acc-d));box-shadow:var(--sh-acc);
}
.ly-mobile-cta a:hover{color:#2a1004;}

/* ============ 动效 ============ */
.ly-reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;}
.ly-reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .ly-reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ============ 断点 ============ */
@media (max-width:1023px){
  .ly-sidebar{width:300px;transform:translateX(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1);}
  .ly-sidebar.open{transform:none;}
  .ly-sidebar .ly-side-text{opacity:1;transform:none;pointer-events:auto;}
  .ly-topbar{display:flex;}
  .ly-main{margin-left:0;padding-top:56px;}
  .ly-mobile-cta{display:flex;}
  .ly-section{padding:56px 0;}
  .ly-section.tight{padding:44px 0;}
  .ly-stats{grid-template-columns:repeat(2,1fr);}
  .ly-footer-grid{grid-template-columns:1fr 1fr;}
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom,0px));}
}
@media (max-width:767px){
  .ly-container{padding-left:18px;padding-right:18px;}
  .ly-hero{padding:64px 0 54px;}
  .ly-hero-sub{font-size:15px;}
  .ly-btn{height:46px;padding:0 22px;font-size:14px;}
  .ly-row{grid-template-columns:44px 1fr;gap:14px;padding:18px 12px;}
  .ly-row-thumb{grid-column:1 / -1;order:-1;}
  .ly-row-thumb img{height:170px;}
  .ly-row-rank{font-size:24px;text-align:left;}
  .ly-row-meta{grid-column:1 / -1;text-align:left;}
  .ly-row-meter{margin:8px 0 0;}
  .ly-form-grid{grid-template-columns:1fr;}
  .ly-form-wrap{padding:22px;}
  .ly-stats{grid-template-columns:1fr 1fr;gap:14px;}
  .ly-stat{padding:18px;}
  .ly-cta-band{padding:26px 22px;}
  .ly-footer{padding:48px 0 24px;}
  .ly-footer-grid{grid-template-columns:1fr;gap:28px;}
  .ly-footer-bottom{flex-direction:column;}
}
@media (max-width:480px){
  body{font-size:15px;line-height:1.8;}
  .ly-hero h1{font-size:28px;}
  .ly-hero-actions{gap:10px;}
  .ly-btn{width:100%;}
  .ly-tag{height:40px;padding:0 16px;font-size:13px;}
  .ly-stats{grid-template-columns:1fr;}
}

/* roulang page: category5 */
:root{
  --bg0:#061119; --bg1:#0A1A24; --bg2:#0E232E;
  --pri:#2FE3C4; --pri-d:#12A88E;
  --acc:#FF7A4D; --acc-d:#E85C2E;
  --warn:#FFC24B;
  --t1:#EAF6F4; --t2:#A6BCC2; --t3:#7A9099;
  --line:rgba(126,232,214,.14);
  --line-strong:rgba(126,232,214,.32);
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.07);
  --r-s:10px; --r-m:16px; --r-l:24px; --r-pill:999px;
  --shadow-card:0 24px 48px -32px rgba(0,0,0,.9);
  --shadow-pop:0 0 0 1px rgba(47,227,196,.30),0 10px 30px -12px rgba(47,227,196,.55);
  --shadow-acc:0 0 0 1px rgba(255,122,77,.32),0 10px 30px -12px rgba(255,122,77,.60);
  --shell-w:84px; --shell-w-open:260px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0; font-family:var(--font); font-size:16px; line-height:1.85;
  color:var(--t1); background:var(--bg0);
  background-image:
    radial-gradient(900px 520px at 12% -6%, rgba(47,227,196,.13), transparent 62%),
    radial-gradient(700px 460px at 96% 8%, rgba(255,122,77,.08), transparent 60%),
    linear-gradient(180deg,#061119 0%, #081620 40%, #061119 100%);
  background-attachment:fixed;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease;}
a:hover{color:var(--pri);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(30px,3.2vw,44px);line-height:1.2;font-weight:800;letter-spacing:-.02em;}
h2{font-size:clamp(22px,2.2vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.01em;}
h3{font-size:18px;line-height:1.45;font-weight:600;}
p{color:var(--t2);}
:focus-visible{outline:2px solid var(--pri);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(47,227,196,.28);}

.ly-container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
.ly-section{padding:88px 0;position:relative;}
.ly-section--tight{padding:64px 0;}
.ly-sec-head{max-width:760px;margin-bottom:40px;}
.ly-sec-head p{margin-top:12px;font-size:15px;color:var(--t3);}
.ly-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;
  border-radius:var(--r-pill);background:rgba(47,227,196,.10);border:1px solid var(--line);
  color:var(--pri);font-size:12px;font-weight:600;letter-spacing:.06em;margin-bottom:18px;
}
.ly-eyebrow--acc{background:rgba(255,122,77,.10);border-color:rgba(255,122,77,.28);color:var(--acc);}

/* ---------- App Shell 侧栏 ---------- */
.ly-shell{
  display:none;position:fixed;left:0;top:0;bottom:0;width:var(--shell-w);
  flex-direction:column;padding:18px 12px 16px;z-index:60;
  background:linear-gradient(180deg,rgba(10,26,36,.97),rgba(6,17,25,.99));
  border-right:1px solid var(--line);overflow:hidden;transition:width .28s ease,box-shadow .28s ease;
}
.ly-shell:hover,.ly-shell:focus-within{width:var(--shell-w-open);box-shadow:26px 0 70px -46px rgba(0,0,0,.95);}
.ly-shell-head{display:flex;align-items:center;gap:12px;padding:6px 6px 18px;border-bottom:1px solid var(--line);margin-bottom:14px;}
.ly-brand-mark{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-size:18px;font-weight:800;color:#04211c;
  background:linear-gradient(135deg,var(--pri),var(--pri-d));
  box-shadow:0 0 0 1px rgba(47,227,196,.35),0 10px 24px -14px rgba(47,227,196,.7);
}
.ly-shell-title{font-size:15px;font-weight:700;white-space:nowrap;opacity:0;transform:translateX(-8px);transition:.26s ease;}
.ly-shell:hover .ly-shell-title,.ly-shell:focus-within .ly-shell-title{opacity:1;transform:none;}
.ly-nav{display:flex;flex-direction:column;gap:6px;flex:1 1 auto;overflow-y:auto;}
.ly-nav-item{
  position:relative;display:flex;align-items:center;gap:14px;height:48px;padding:0 12px;border-radius:12px;
  color:var(--t2);font-size:14px;font-weight:500;white-space:nowrap;
}
.ly-nav-item i{flex:0 0 24px;text-align:center;font-size:17px;color:var(--t3);transition:color .2s ease;}
.ly-nav-item span{opacity:0;transform:translateX(-8px);transition:.26s ease;}
.ly-shell:hover .ly-nav-item span,.ly-shell:focus-within .ly-nav-item span{opacity:1;transform:none;}
.ly-nav-item:hover{background:rgba(47,227,196,.07);color:var(--t1);}
.ly-nav-item:hover i{color:var(--pri);}
.ly-nav-item.is-active{background:rgba(47,227,196,.10);color:var(--t1);font-weight:600;}
.ly-nav-item.is-active i{color:var(--pri);}
.ly-nav-item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;
  background:var(--pri);box-shadow:0 0 14px rgba(47,227,196,.9);
}
.ly-shell-divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:14px 4px;}
.ly-shell-foot{padding-top:10px;}

/* ---------- 按钮 ---------- */
.ly-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:.22s ease;
}
.ly-btn i{font-size:14px;}
.ly-btn--pri{background:linear-gradient(135deg,var(--pri),var(--pri-d));color:#04211c;box-shadow:var(--shadow-pop);}
.ly-btn--pri:hover{color:#04211c;transform:translateY(-3px);box-shadow:0 0 0 1px rgba(47,227,196,.45),0 18px 40px -16px rgba(47,227,196,.75);}
.ly-btn--pri:active{transform:translateY(-1px);}
.ly-btn--acc{background:linear-gradient(135deg,var(--acc),var(--acc-d));color:#2b0e02;box-shadow:var(--shadow-acc);}
.ly-btn--acc:hover{color:#2b0e02;transform:translateY(-3px);box-shadow:0 0 0 1px rgba(255,122,77,.5),0 18px 40px -16px rgba(255,122,77,.8);}
.ly-btn--ghost{background:var(--glass);border-color:var(--line);color:var(--t1);}
.ly-btn--ghost:hover{border-color:var(--line-strong);color:var(--pri);transform:translateY(-3px);background:var(--glass-2);}
.ly-btn--block{width:100%;padding:0 14px;font-size:14px;}
.ly-btn--sm{height:40px;padding:0 18px;font-size:14px;}

/* ---------- 移动端顶栏 & 抽屉 ---------- */
.ly-topbar{
  position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  display:flex;align-items:center;gap:12px;padding:0 16px;
  background:rgba(8,20,28,.86);backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.ly-burger{
  width:40px;height:40px;display:grid;place-items:center;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);color:var(--t1);cursor:pointer;
}
.ly-burger:hover{border-color:var(--line-strong);color:var(--pri);}
.ly-topbar .ly-brand-mark{width:32px;height:32px;border-radius:10px;font-size:16px;}
.ly-topbar-name{font-size:15px;font-weight:700;flex:1 1 auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.ly-topbar-cta{
  flex:0 0 auto;height:36px;padding:0 16px;display:inline-flex;align-items:center;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--pri),var(--pri-d));color:#04211c;font-size:13px;font-weight:700;
  box-shadow:var(--shadow-pop);
}
.ly-topbar-cta:hover{color:#04211c;}

.ly-mask{
  position:fixed;inset:0;background:rgba(3,10,14,.62);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:.28s ease;z-index:76;
}
.ly-mask.is-open{opacity:1;visibility:visible;}
.ly-drawer{
  position:fixed;left:0;top:0;bottom:0;width:300px;max-width:84vw;z-index:80;
  padding:20px 16px 18px;display:flex;flex-direction:column;
  background:linear-gradient(180deg,#0A1A24,#061119);
  border-right:1px solid var(--line);
  transform:translateX(-104%);transition:transform .3s ease;
  overflow-y:auto;
}
.ly-drawer.is-open{transform:none;}
.ly-drawer-head{display:flex;align-items:center;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:14px;}
.ly-drawer-head strong{font-size:15px;}
.ly-drawer-close{
  margin-left:auto;width:36px;height:36px;display:grid;place-items:center;border-radius:10px;
  background:var(--glass);border:1px solid var(--line);color:var(--t2);cursor:pointer;
}
.ly-drawer-close:hover{color:var(--pri);border-color:var(--line-strong);}
.ly-drawer .ly-nav-item span{opacity:1;transform:none;}
.ly-drawer-foot{margin-top:auto;padding-top:18px;}

/* ---------- 主区域 ---------- */
.ly-main{padding-top:56px;}
.ly-crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3);margin-bottom:26px;flex-wrap:wrap;}
.ly-crumb a{color:var(--t3);}
.ly-crumb a:hover{color:var(--pri);}
.ly-crumb span[aria-current]{color:var(--t1);font-weight:600;}

/* ---------- Hero ---------- */
.ly-hero{position:relative;padding:64px 0 72px;overflow:hidden;}
.ly-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(180deg,rgba(6,17,25,.72),rgba(6,17,25,.92)),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.55;z-index:-2;
}
.ly-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(rgba(126,232,214,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(126,232,214,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(70% 70% at 60% 30%,#000,transparent 85%);
  -webkit-mask-image:radial-gradient(70% 70% at 60% 30%,#000,transparent 85%);
}
.ly-hero h1{margin-bottom:18px;}
.ly-hero-sub{font-size:16px;color:var(--t2);max-width:560px;margin-bottom:30px;}
.ly-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.ly-trust{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;color:var(--t3);}
.ly-trust li{display:flex;align-items:center;gap:8px;}
.ly-trust li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--pri);box-shadow:0 0 10px rgba(47,227,196,.9);}
.ly-hero-media{margin-top:36px;}
.ly-media-frame{
  position:relative;border-radius:var(--r-l);overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.045);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 40px 80px -46px rgba(0,0,0,.95);
}
.ly-media-frame img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.ly-media-frame:hover img{transform:scale(1.04);}
.ly-media-badge{
  position:absolute;left:16px;top:16px;height:26px;padding:0 12px;display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--r-pill);background:rgba(6,17,25,.72);border:1px solid var(--line);
  font-size:12px;color:var(--pri);backdrop-filter:blur(10px);
}
.ly-media-caption{
  padding:16px 20px;border-top:1px solid var(--line);font-size:13px;color:var(--t3);
}

/* ---------- 数据条 ---------- */
.ly-stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(14,35,46,.6),rgba(6,17,25,.4));}
.ly-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);}
.ly-stat{background:rgba(8,20,28,.72);padding:28px 22px;}
.ly-stat strong{display:block;font-size:clamp(24px,2.6vw,34px);font-weight:800;color:var(--pri);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.ly-stat span{display:block;margin-top:6px;font-size:13px;color:var(--t3);}

/* ---------- 卡片 ---------- */
.ly-card{
  position:relative;height:100%;padding:26px;border-radius:var(--r-l);
  background:linear-gradient(180deg,rgba(14,35,46,.92),rgba(9,22,31,.92));
  border:1px solid var(--line);box-shadow:var(--shadow-card);overflow:hidden;
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.ly-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,196,.55),transparent);
}
.ly-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 30px 60px -34px rgba(0,0,0,.95),0 0 0 1px rgba(47,227,196,.16);}
.ly-card-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:rgba(47,227,196,.10);border:1px solid var(--line);color:var(--pri);font-size:18px;margin-bottom:16px;
}
.ly-card h3{margin-bottom:10px;}
.ly-card p{font-size:14.5px;line-height:1.8;}
.ly-card-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13px;font-weight:600;color:var(--pri);}
.ly-card-link:hover{gap:10px;color:var(--pri);}
.ly-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.ly-tag{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--r-pill);
  background:rgba(47,227,196,.10);border:1px solid var(--line);color:var(--pri);font-size:12px;
}
.ly-tag--acc{background:rgba(255,122,77,.10);border-color:rgba(255,122,77,.26);color:var(--acc);}

/* ---------- 步骤流 ---------- */
.ly-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;}
.ly-step{position:relative;padding:0 22px 0 0;}
.ly-step-num{
  font-size:40px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1.4px rgba(47,227,196,.55);letter-spacing:-.02em;
}
.ly-step-line{height:2px;margin:16px 0 20px;background:linear-gradient(90deg,rgba(47,227,196,.7),rgba(47,227,196,.06));border-radius:2px;}
.ly-step h3{font-size:16px;margin-bottom:8px;}
.ly-step p{font-size:14px;line-height:1.78;}

/* ---------- FAQ ---------- */
.ly-faq{border-top:1px solid var(--line);}
.ly-faq-item{border-bottom:1px solid var(--line);}
.ly-faq-q{
  width:100%;min-height:52px;display:flex;align-items:center;gap:16px;
  background:none;border:0;padding:16px 0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--t1);transition:color .2s ease;
}
.ly-faq-q:hover{color:var(--pri);}
.ly-faq-q .ly-faq-ico{
  margin-left:auto;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;background:rgba(47,227,196,.10);border:1px solid var(--line);
  color:var(--pri);font-size:12px;transition:transform .28s ease;
}
.ly-faq-item.is-open .ly-faq-q{color:var(--pri);}
.ly-faq-item.is-open .ly-faq-ico{transform:rotate(45deg);}
.ly-faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.ly-faq-a p{padding:0 0 20px;font-size:15px;line-height:1.82;max-width:820px;}

/* ---------- 口碑带 ---------- */
.ly-quotes{position:relative;margin-top:8px;}
.ly-quotes-track{
  display:flex;gap:16px;overflow-x:auto;padding:6px 4px 18px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;-webkit-overflow-scrolling:touch;
}
.ly-quote{
  flex:0 0 auto;width:290px;scroll-snap-align:start;padding:20px;border-radius:var(--r-m);
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
}
.ly-quote-top{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.ly-quote-ava{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:700;color:#04211c;background:linear-gradient(135deg,var(--pri),var(--pri-d));}
.ly-quote-name{font-size:13px;font-weight:600;color:var(--t1);}
.ly-quote-stars{margin-left:auto;color:var(--warn);font-size:11px;letter-spacing:2px;}
.ly-quote p{font-size:14px;line-height:1.75;color:var(--t2);}
.ly-quote time{display:block;margin-top:12px;font-size:12px;color:var(--t3);font-variant-numeric:tabular-nums;}

/* ---------- 表单 ---------- */
.ly-form-card{
  padding:32px;border-radius:var(--r-l);
  background:linear-gradient(180deg,rgba(14,35,46,.94),rgba(8,20,28,.94));
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.ly-field{margin-bottom:18px;}
.ly-field label{display:block;font-size:13px;font-weight:600;color:var(--t2);margin-bottom:8px;}
.ly-input,.ly-select,.ly-textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-s);
  background:var(--glass);border:1px solid var(--line);color:var(--t1);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.ly-textarea{height:auto;padding:12px 14px;min-height:118px;resize:vertical;line-height:1.7;}
.ly-select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--t3) 50%),linear-gradient(135deg,var(--t3) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.ly-input::placeholder,.ly-textarea::placeholder{color:var(--t3);}
.ly-input:focus,.ly-select:focus,.ly-textarea:focus{
  outline:none;border-color:var(--pri);background:rgba(47,227,196,.06);
  box-shadow:0 0 0 12px rgba(47,227,196,.10);
}
.ly-form-hint{font-size:13px;color:var(--t3);margin-top:14px;}

/* ---------- 底部 CTA ---------- */
.ly-cta-band{
  display:flex;flex-wrap:wrap;align-items:center;gap:24px;justify-content:space-between;
  padding:34px 36px;border-radius:var(--r-l);
  background:linear-gradient(120deg,rgba(47,227,196,.14),rgba(255,122,77,.10) 78%);
  border:1px solid var(--line-strong);
  box-shadow:0 36px 70px -46px rgba(0,0,0,.95);
}
.ly-cta-band h2{font-size:clamp(20px,2vw,26px);margin-bottom:8px;}
.ly-cta-band p{font-size:14.5px;max-width:620px;}

/* ---------- 页脚 ---------- */
.ly-footer{background:var(--bg0);border-top:1px solid var(--line);padding:66px 0 26px;margin-top:20px;}
.ly-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.ly-footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.ly-footer p{font-size:14px;line-height:1.8;color:var(--t3);max-width:340px;}
.ly-footer h4{font-size:14px;font-weight:700;color:var(--t1);margin-bottom:16px;}
.ly-foot-links{display:flex;flex-direction:column;gap:10px;}
.ly-foot-links a{font-size:14px;color:var(--t3);}
.ly-foot-links a:hover{color:var(--pri);}
.ly-footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums;
}

/* ---------- 移动端 sticky CTA ---------- */
.ly-sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:65;height:56px;
  padding:0 16px calc(0px + env(safe-area-inset-bottom));
  display:flex;align-items:center;gap:12px;
  background:rgba(8,20,28,.9);backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-top:1px solid var(--line);
}
.ly-sticky-cta span{font-size:13px;color:var(--t2);flex:1 1 auto;}
.ly-sticky-cta .ly-btn{height:40px;padding:0 18px;font-size:14px;}

/* ---------- 入场动效 ---------- */
.ly-reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;}
.ly-reveal.is-in{opacity:1;transform:none;}

/* ---------- 断点 ---------- */
@media (min-width:1024px){
  .ly-shell{display:flex;}
  .ly-topbar{display:none;}
  .ly-drawer,.ly-mask{display:none;}
  .ly-main{padding-top:0;margin-left:var(--shell-w);}
  .ly-sticky-cta{display:none;}
}
@media (max-width:1023px){
  body{padding-bottom:64px;}
  .ly-hero{padding:40px 0 52px;}
  .ly-section{padding:56px 0;}
}
@media (max-width:900px){
  .ly-stats-grid{grid-template-columns:repeat(2,1fr);}
  .ly-steps{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .ly-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .ly-container{padding:0 18px;}
  .ly-hero h1{font-size:29px;}
  .ly-card{padding:22px;}
  .ly-cta-band{padding:26px 22px;flex-direction:column;align-items:flex-start;}
  .ly-cta-band .ly-btn{width:100%;}
  .ly-quote{width:255px;}
}
@media (max-width:520px){
  .ly-steps{grid-template-columns:1fr;}
  .ly-footer-grid{grid-template-columns:1fr;}
  .ly-footer{padding:52px 0 22px;}
  .ly-hero-actions{gap:10px;}
  .ly-hero-actions .ly-btn{width:100%;}
  .ly-form-card{padding:22px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .ly-reveal{opacity:1;transform:none;}
}