/* roulang page: index */
:root{
  --c-primary:#FF6B35;--c-primary-d:#E8551F;--c-primary-l:#FFEDE4;
  --c-accent:#0FB5A5;--c-accent-l:#E2F6F3;
  --c-bg:#FFFDFB;--c-bg-2:#F7F4EF;--c-bg-3:#1B1F2A;
  --c-ink:#1B1F2A;--c-ink-2:#4A5163;--c-ink-3:#8A90A0;
  --c-line:#E8E6E1;
  --g-brand:linear-gradient(135deg,#FFB020 0%,#FF6B35 52%,#F04E3E 100%);
  --r-s:10px;--r-m:16px;--r-l:24px;--r-xl:32px;
  --sh-1:0 2px 8px rgba(27,31,42,.05);
  --sh-2:0 12px 32px rgba(27,31,42,.08);
  --sh-3:0 24px 60px rgba(240,78,62,.18);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink-2);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--c-ink);font-weight:800;letter-spacing:-.01em;line-height:1.28;margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;}
@media(min-width:1024px){.container{padding:0 32px;}}
.sec{padding:48px 0;}
@media(min-width:1024px){.sec{padding:72px 0;}}
.sec-alt{background:var(--c-bg-2);}
.sec-dark{background:var(--c-bg-3);padding:56px 0;}
@media(min-width:1024px){.sec-dark{padding:88px 0;}}
.sec-head{max-width:760px;margin-bottom:28px;}
.sec-head h2{font-size:24px;margin:12px 0 10px;}
@media(min-width:1024px){.sec-head h2{font-size:30px;}}
.sec-head p{font-size:15px;color:var(--c-ink-3);}
.tag{
  display:inline-flex;align-items:center;gap:6px;background:var(--c-primary-l);color:var(--c-primary-d);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:.02em;
}
.tag-accent{background:var(--c-accent-l);color:#0A8C7F;}
.chip{
  display:inline-flex;align-items:center;background:var(--c-primary-l);color:var(--c-primary-d);
  font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;
}
.chip-sm{font-size:11px;padding:2px 8px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-m);font-weight:700;font-size:15px;padding:13px 24px;
  border:1.5px solid transparent;cursor:pointer;transition:all .2s ease;line-height:1.2;
}
.btn-primary{background:var(--g-brand);color:#fff;box-shadow:var(--sh-3);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;border-color:var(--c-primary);color:var(--c-primary-d);}
.btn-ghost:hover{background:var(--c-primary-l);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--c-primary-d);}
.btn-light:hover{background:var(--c-primary-l);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:var(--r-s);}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.arrow-link{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary-d);font-weight:700;font-size:14px;transition:all .2s;}
.arrow-link:hover{transform:translateX(2px);}

/* header */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,253,251,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line);}
.site-header.scrolled{box-shadow:var(--sh-1);}
.nav-row{height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.logo{display:inline-flex;align-items:flex-end;gap:6px;font-size:20px;font-weight:800;letter-spacing:-.02em;}
.logo .logo-main{background:var(--g-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.logo .logo-app{
  font-size:11px;font-weight:800;color:#fff;background:var(--c-accent);
  padding:2px 6px;border-radius:6px;letter-spacing:.06em;transform:translateY(-3px);
}
.nav-links{display:none;align-items:center;gap:26px;}
@media(min-width:1024px){.nav-links{display:flex;}}
.nav-links a{font-size:14.5px;font-weight:600;color:var(--c-ink-2);padding:6px 0;position:relative;transition:color .2s;}
.nav-links a:hover{color:var(--c-primary-d);}
.nav-links a.active{color:var(--c-primary-d);}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-primary);border-radius:2px;}
.nav-cta{display:none;}
@media(min-width:1024px){.nav-cta{display:inline-flex;}}
.burger{display:inline-flex;width:42px;height:42px;border:1px solid var(--c-line);background:#fff;border-radius:var(--r-s);align-items:center;justify-content:center;cursor:pointer;}
@media(min-width:1024px){.burger{display:none;}}
.burger span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.drawer{display:none;border-top:1px solid var(--c-line);background:var(--c-bg);padding:14px 20px 22px;}
.drawer.open{display:block;}
.drawer a{display:block;padding:12px 4px;font-size:15px;font-weight:600;color:var(--c-ink-2);border-bottom:1px dashed var(--c-line);}
.drawer a.active{color:var(--c-primary-d);}
.drawer .btn{width:100%;margin-top:14px;}

/* steps */
.steps-wrap{background:var(--c-bg-2);border-top:1px solid var(--c-line);}
.steps{display:flex;align-items:center;gap:8px;padding:9px 0;overflow-x:auto;scrollbar-width:none;}
.steps::-webkit-scrollbar{display:none;}
.step{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:600;color:var(--c-ink-3);border:1px solid transparent;white-space:nowrap;transition:all .2s;
}
.step .dot{
  width:20px;height:20px;border-radius:50%;background:#fff;border:1px solid var(--c-line);
  display:grid;place-items:center;font-size:11px;font-weight:800;color:var(--c-ink-3);
}
.step:hover{color:var(--c-primary-d);background:#fff;border-color:rgba(255,107,53,.28);}
.step.done{color:var(--c-ink-2);background:#fff;border-color:rgba(255,107,53,.25);}
.step.active{color:var(--c-primary-d);background:var(--c-primary-l);border-color:rgba(255,107,53,.4);}
.step.active .dot{background:var(--g-brand);color:#fff;border-color:transparent;}
@media(max-width:767px){
  .steps{flex-direction:column;align-items:stretch;overflow:visible;padding:10px 0;}
  .step{border-radius:var(--r-s);justify-content:flex-start;}
}

/* hero */
.hero{position:relative;overflow:hidden;background:var(--c-bg-2);padding:36px 0 44px;}
@media(min-width:1024px){.hero{padding:56px 0 64px;}}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/108c3b42c32edba9.webp');background-size:cover;background-position:center;opacity:.16;}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,#FFFDFB 0%,rgba(255,253,251,.86) 46%,rgba(255,237,228,.62) 100%);}
.hero-inner{position:relative;display:grid;gap:32px;}
@media(min-width:1024px){.hero-inner{grid-template-columns:1.08fr .92fr;align-items:center;gap:44px;}}
.hero-burst{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid rgba(255,107,53,.35);
  border-radius:999px;padding:6px 14px;font-size:12.5px;font-weight:800;color:var(--c-primary-d);
  box-shadow:var(--sh-1);margin-bottom:16px;
}
.hero-burst i{width:8px;height:8px;border-radius:50%;background:var(--c-primary);display:inline-block;}
.hero h1{font-size:28px;line-height:1.24;margin-bottom:14px;}
@media(min-width:640px){.hero h1{font-size:36px;}}
@media(min-width:1024px){.hero h1{font-size:46px;}}
.hero h1 em{font-style:normal;background:var(--g-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:15.5px;color:var(--c-ink-2);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 24px;}
.hero-badges{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:520px;}
.hero-badge{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-m);padding:12px 14px;box-shadow:var(--sh-1);}
.hero-badge b{display:block;font-size:20px;font-weight:800;color:var(--c-ink);letter-spacing:-.02em;}
.hero-badge b span{font-size:12px;font-weight:700;color:var(--c-ink-3);margin-left:2px;}
.hero-badge small{display:block;font-size:12px;color:var(--c-ink-3);line-height:1.5;margin-top:2px;}
.hero-visual{position:relative;}
.hero-blob{position:absolute;width:340px;height:340px;border-radius:50%;filter:blur(60px);opacity:.32;background:var(--g-brand);top:-40px;right:-60px;z-index:0;}
.phone{
  position:relative;z-index:1;border-radius:var(--r-xl);overflow:hidden;background:#fff;
  border:1px solid var(--c-line);box-shadow:var(--sh-2);aspect-ratio:3/4;max-width:420px;margin:0 auto;
}
.phone img{width:100%;height:100%;object-fit:cover;}
.float-card{
  position:absolute;z-index:2;left:0;bottom:18px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-m);padding:12px 16px;box-shadow:var(--sh-2);display:flex;align-items:center;gap:10px;
}
.float-card .pulse{width:10px;height:10px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px rgba(15,181,165,.18);}
.float-card b{font-size:13.5px;color:var(--c-ink);display:block;line-height:1.3;}
.float-card small{font-size:11.5px;color:var(--c-ink-3);}
@media(max-width:639px){.hero-blob{display:none;}.hero-badges{grid-template-columns:repeat(3,1fr);gap:8px;}.hero-badge{padding:10px;}.hero-badge b{font-size:16px;}.float-card{left:8px;bottom:8px;padding:10px 12px;}}

/* metric strip */
.metrics{background:var(--c-bg);border-bottom:1px solid var(--c-line);}
.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;padding:26px 0;}
@media(min-width:768px){.metric-grid{grid-template-columns:repeat(4,1fr);}}
.metric{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);padding:18px;
  box-shadow:var(--sh-1);opacity:0;transform:translateY(12px);transition:all .5s ease;
}
.metric.in{opacity:1;transform:none;}
.metric b{font-size:26px;font-weight:800;color:var(--c-primary-d);display:block;letter-spacing:-.02em;}
.metric b span{font-size:13px;color:var(--c-ink-3);margin-left:3px;font-weight:700;}
.metric small{font-size:13px;color:var(--c-ink-3);display:block;line-height:1.6;}

/* how */
.how-grid{display:grid;gap:16px;}
@media(min-width:768px){.how-grid{grid-template-columns:repeat(3,1fr);}}
.how-card{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
  padding:26px 22px 22px;box-shadow:var(--sh-1);transition:all .2s ease;
}
.how-card:hover{transform:translateY(-4px);border-color:rgba(255,107,53,.45);box-shadow:var(--sh-2);}
.how-num{
  font-size:40px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1.6px rgba(255,107,53,.55);letter-spacing:-.03em;margin-bottom:12px;
}
.how-card h3{font-size:17px;margin-bottom:8px;}
.how-card p{font-size:14px;color:var(--c-ink-3);}

/* features */
.feat-grid{display:grid;gap:16px;}
@media(min-width:768px){.feat-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.feat-grid{grid-template-columns:repeat(3,1fr);grid-auto-rows:minmax(0,auto);}}
.feat-big{
  grid-column:span 1;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
  padding:22px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:14px;transition:all .2s;
}
@media(min-width:1024px){.feat-big{grid-row:span 2;grid-column:span 1;}}
.feat-big:hover,.feat-card:hover{transform:translateY(-4px);border-color:rgba(255,107,53,.45);box-shadow:var(--sh-2);}
.feat-media{border-radius:var(--r-m);overflow:hidden;background:var(--c-bg-2);aspect-ratio:4/3;}
.feat-media img{width:100%;height:100%;object-fit:cover;}
.feat-big h3{font-size:20px;}
.feat-big p{font-size:14px;color:var(--c-ink-3);}
.feat-list{display:grid;gap:8px;margin-top:2px;}
.feat-list li{display:flex;gap:8px;font-size:13.5px;color:var(--c-ink-2);}
.feat-list li::before{content:"";flex:0 0 16px;height:16px;margin-top:6px;border-radius:50%;background:var(--c-accent-l);border:1.5px solid var(--c-accent);}
.feat-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);padding:20px;
  box-shadow:var(--sh-1);transition:all .2s;
}
.feat-icon{
  width:42px;height:42px;border-radius:12px;background:var(--c-primary-l);display:grid;place-items:center;
  margin-bottom:12px;color:var(--c-primary-d);font-weight:800;font-size:15px;
}
.feat-card h3{font-size:16px;margin-bottom:6px;}
.feat-card p{font-size:13.5px;color:var(--c-ink-3);}

/* 24h panel */
.split{display:grid;gap:28px;align-items:center;}
@media(min-width:1024px){.split{grid-template-columns:1fr 1fr;gap:48px;}}
.sec-dark h2{color:#fff;font-size:24px;margin:12px 0 14px;}
@media(min-width:1024px){.sec-dark h2{font-size:30px;}}
.sec-dark p{color:rgba(255,255,255,.7);font-size:15px;}
.check-list{display:grid;gap:12px;margin-top:20px;}
.check-list li{display:flex;gap:10px;color:rgba(255,255,255,.86);font-size:14.5px;}
.check-list li .ck{
  flex:0 0 20px;height:20px;border-radius:50%;background:rgba(15,181,165,.16);
  border:1.5px solid var(--c-accent);display:grid;place-items:center;margin-top:3px;color:var(--c-accent);font-size:11px;font-weight:800;
}
.hour-panel{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-xl);padding:24px;}
.hour-panel h3{color:#fff;font-size:16px;margin-bottom:16px;}
.bar-row{margin-bottom:14px;}
.bar-row .bar-top{display:flex;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.72);margin-bottom:6px;}
.bar-track{height:10px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden;}
.bar-fill{height:100%;border-radius:999px;background:var(--g-brand);}
.bar-fill.accent{background:linear-gradient(135deg,#0FB5A5,#37D6C4);}
.hour-note{font-size:12px;color:rgba(255,255,255,.5);margin-top:12px;line-height:1.6;}

/* scenes */
.scene-grid{display:grid;gap:16px;}
@media(min-width:768px){.scene-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.scene-grid{grid-template-columns:repeat(4,1fr);}}
.scene-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);overflow:hidden;
  box-shadow:var(--sh-1);transition:all .2s;
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(255,107,53,.45);box-shadow:var(--sh-2);}
.scene-thumb{aspect-ratio:16/10;background:var(--c-bg-2);overflow:hidden;}
.scene-thumb img{width:100%;height:100%;object-fit:cover;}
.scene-body{padding:16px;}
.scene-body h3{font-size:16px;margin-bottom:6px;}
.scene-body p{font-size:13.5px;color:var(--c-ink-3);}

/* demo */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px;}
.tab{
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);border-radius:999px;
  padding:8px 18px;font-size:13.5px;font-weight:700;cursor:pointer;transition:all .2s;
}
.tab:hover{border-color:var(--c-primary);color:var(--c-primary-d);}
.tab.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.shots{display:grid;gap:18px;}
@media(min-width:768px){.shots{grid-template-columns:repeat(3,1fr);align-items:end;}}
.shot{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);padding:12px;box-shadow:var(--sh-1);transition:transform .25s ease;}
.shot:hover{transform:translateY(-4px);}
.shot .frame{border-radius:var(--r-m);overflow:hidden;background:var(--c-bg-2);aspect-ratio:9/16;}
.shot .frame img{width:100%;height:100%;object-fit:cover;}
.shot h3{font-size:14.5px;margin:12px 4px 4px;}
.shot p{font-size:12.5px;color:var(--c-ink-3);padding:0 4px 6px;}
@media(min-width:768px){.shot.mid{transform:translateY(-18px);}.shot.mid:hover{transform:translateY(-22px);}}
.demo-note{
  margin-top:26px;background:#fff;border:1px solid var(--c-line);border-left:4px solid var(--c-primary);
  border-radius:var(--r-m);padding:16px 20px;font-size:14px;color:var(--c-ink-2);box-shadow:var(--sh-1);
}

/* download */
.dl-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-xl);padding:26px;box-shadow:var(--sh-2);}
@media(min-width:1024px){.dl-card{padding:38px;}}
.dl-grid{display:grid;gap:18px;}
@media(min-width:768px){.dl-grid{grid-template-columns:repeat(3,1fr);}}
.dl-col{background:var(--c-bg-2);border-radius:var(--r-l);padding:20px;}
.dl-col h3{font-size:16px;margin:10px 0 8px;}
.dl-col ol{margin:0 0 16px;padding-left:18px;font-size:13.5px;color:var(--c-ink-2);}
.dl-col ol li{margin-bottom:4px;}
.dl-icon{width:40px;height:40px;border-radius:12px;background:var(--c-primary-l);display:grid;place-items:center;color:var(--c-primary-d);font-weight:800;font-size:13px;}
.qr-box{
  width:120px;height:120px;border-radius:var(--r-m);border:1px solid var(--c-line);
  background:
    repeating-linear-gradient(90deg,#1B1F2A 0 6px,transparent 6px 12px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.7) 0 6px,transparent 6px 12px),
    #fff;
  position:relative;overflow:hidden;display:grid;place-items:center;
}
.qr-box span{position:relative;background:#fff;border-radius:6px;padding:4px 8px;font-size:11px;font-weight:700;color:var(--c-ink-2);border:1px solid var(--c-line);}
.dl-side{display:flex;gap:20px;align-items:center;margin-top:22px;padding-top:22px;border-top:1px dashed var(--c-line);flex-wrap:wrap;}
.dl-side p{font-size:13px;color:var(--c-ink-3);max-width:420px;}

/* cases */
.case-grid{display:grid;gap:16px;}
@media(min-width:768px){.case-grid{grid-template-columns:repeat(3,1fr);}}
.case-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);padding:20px;
  box-shadow:var(--sh-1);transition:all .2s;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.case-card.hl{border:1.5px solid transparent;background-image:linear-gradient(#fff,#fff),var(--g-brand);background-origin:border-box;background-clip:padding-box,border-box;}
.case-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;}
.case-thumb{aspect-ratio:16/10;border-radius:var(--r-m);overflow:hidden;background:var(--c-bg-2);margin-bottom:14px;}
.case-thumb img{width:100%;height:100%;object-fit:cover;}
.case-card h3{font-size:16px;margin-bottom:10px;}
.case-card ul{display:grid;gap:6px;font-size:13.5px;color:var(--c-ink-2);}
.case-card ul li{padding-left:16px;position:relative;}
.case-card ul li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--c-accent);}

/* pricing */
.price-grid{display:grid;gap:18px;}
@media(min-width:768px){.price-grid{grid-template-columns:repeat(3,1fr);align-items:center;}
}
.price-card{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
  padding:24px;box-shadow:var(--sh-1);transition:all .2s;overflow:hidden;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.price-card .top-bar{position:absolute;top:0;left:0;right:0;height:5px;background:var(--c-line);}
.price-card.featured{box-shadow:var(--sh-3);border-color:rgba(255,107,53,.5);}
@media(min-width:768px){.price-card.featured{transform:scale(1.03);}.price-card.featured:hover{transform:scale(1.03) translateY(-4px);}}
.price-card.featured .top-bar{background:var(--g-brand);}
.price-flag{
  position:absolute;top:14px;right:14px;background:var(--c-primary-l);color:var(--c-primary-d);
  font-size:11.5px;font-weight:800;padding:3px 10px;border-radius:999px;
}
.price-card h3{font-size:17px;margin:10px 0 4px;}
.price-card .p-note{font-size:12.5px;color:var(--c-ink-3);}
.price-num{display:flex;align-items:baseline;gap:4px;margin:14px 0 4px;}
.price-num b{font-size:34px;font-weight:800;color:var(--c-ink);letter-spacing:-.02em;}
.price-num span{font-size:13px;color:var(--c-ink-3);font-weight:700;}
.price-list{display:grid;gap:8px;margin:16px 0 20px;}
.price-list li{font-size:13.5px;color:var(--c-ink-2);display:flex;gap:8px;}
.price-list li::before{content:"✓";color:var(--c-accent);font-weight:800;flex:0 0 14px;}
.price-card .btn{width:100%;}

/* reviews */
.review-cols{columns:1;column-gap:16px;}
@media(min-width:768px){.review-cols{columns:2;}}
.review{
  break-inside:avoid;margin-bottom:16px;border:1px solid var(--c-line);border-radius:var(--r-l);
  padding:18px;box-shadow:var(--sh-1);transition:all .2s;
}
.review:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.review:nth-child(odd){background:#fff;}
.review:nth-child(even){background:var(--c-bg-2);}
.rv-top{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--g-brand);color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;flex:0 0 40px;}
.rv-top b{font-size:14px;color:var(--c-ink);display:block;line-height:1.3;}
.rv-top small{font-size:12px;color:var(--c-ink-3);}
.stars{color:#FFB020;font-size:13px;letter-spacing:2px;margin-bottom:6px;}
.review p{font-size:13.5px;color:var(--c-ink-2);}

/* reputation */
.rep{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-xl);padding:26px;box-shadow:var(--sh-1);}
.rep-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
@media(min-width:768px){.rep-grid{grid-template-columns:repeat(4,1fr);}}
.rep-item{text-align:left;padding-left:16px;border-left:1px solid var(--c-line);}
.rep-item:first-child{border-left:none;padding-left:0;}
.rep-item b{display:block;font-size:28px;font-weight:800;background:var(--g-brand);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-.02em;}
.rep-item span{font-size:13px;color:var(--c-ink-3);}
@media(max-width:767px){.rep-item:nth-child(3){border-left:none;padding-left:0;}}

/* topics */
.topic-grid{display:grid;gap:12px;}
@media(min-width:768px){.topic-grid{grid-template-columns:repeat(4,1fr);}}
.topic{
  display:flex;align-items:center;justify-content:space-between;gap:8px;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-m);padding:14px 16px;font-size:14px;
  font-weight:700;color:var(--c-ink);transition:all .2s;
}
.topic:hover{background:var(--c-primary-l);border-color:rgba(255,107,53,.4);color:var(--c-primary-d);transform:translateY(-2px);}
.topic span{color:var(--c-ink-3);font-weight:600;font-size:12px;}
.topic:hover span{color:var(--c-primary-d);}

/* news */
.news-layout{display:grid;gap:18px;}
@media(min-width:1024px){.news-layout{grid-template-columns:1fr 1.05fr;align-items:start;}}
.lead-card{display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1);transition:all .2s;}
.lead-card:hover{transform:translateY(-4px);border-color:rgba(255,107,53,.45);box-shadow:var(--sh-2);}
.lead-thumb{aspect-ratio:16/9;background:var(--c-bg-2);overflow:hidden;}
.lead-thumb img{width:100%;height:100%;object-fit:cover;}
.lead-body{padding:18px;}
.lead-body h3{font-size:18px;margin:10px 0 8px;}
.lead-card:hover .lead-body h3{color:var(--c-primary-d);}
.lead-body p{font-size:13.5px;color:var(--c-ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.meta-time{display:inline-block;margin-top:12px;font-size:12.5px;color:var(--c-ink-3);}
.news-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1);}
.news-list li+li{border-top:1px solid var(--c-line);}
.news-list a{display:block;padding:14px 18px;transition:background .2s;}
.news-list a:hover{background:var(--c-bg-2);}
.nl-title{display:block;font-size:15px;font-weight:700;color:var(--c-ink);line-height:1.5;transition:color .2s;}
.news-list a:hover .nl-title{color:var(--c-primary-d);}
.nl-ex{display:block;font-size:12.5px;color:var(--c-ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px;}
.nl-meta{display:flex;align-items:center;gap:10px;margin-top:6px;font-size:12px;color:var(--c-ink-3);}
.nl-meta .arrow{margin-left:auto;color:var(--c-primary-d);font-weight:800;}
.empty-state{
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-l);padding:42px 20px;
  text-align:center;box-shadow:var(--sh-1);
}
.empty-state svg{width:44px;height:44px;margin:0 auto 12px;color:var(--c-primary);}
.empty-state p{font-size:14px;color:var(--c-ink-3);margin-bottom:16px;}

/* faq */
.faq-wrap{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);box-shadow:var(--sh-1);overflow:hidden;}
.faq-item+.faq-item{border-top:1px solid var(--c-line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 22px;font-size:15.5px;font-weight:700;color:var(--c-ink);transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary-d);}
.faq-item summary .ic{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--c-line);
  display:grid;place-items:center;font-size:12px;color:var(--c-ink-3);transition:all .25s ease;
}
.faq-item[open] summary .ic{transform:rotate(180deg);border-color:var(--c-primary);color:var(--c-primary-d);background:var(--c-primary-l);}
.faq-body{padding:0 22px 20px;font-size:14px;color:var(--c-ink-2);animation:fadeIn .25s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* final cta */
.cta-card{
  background:var(--c-bg-3);border-radius:var(--r-xl);padding:30px;color:#fff;
  display:grid;gap:24px;position:relative;overflow:hidden;
}
@media(min-width:1024px){.cta-card{grid-template-columns:1.3fr .7fr;align-items:center;padding:48px;}}
.cta-card::before{content:"";position:absolute;width:320px;height:320px;border-radius:50%;background:var(--g-brand);filter:blur(70px);opacity:.35;top:-120px;right:-60px;}
.cta-card h2{color:#fff;font-size:24px;position:relative;}
@media(min-width:1024px){.cta-card h2{font-size:32px;}}
.cta-card p{color:rgba(255,255,255,.72);font-size:14.5px;margin-top:10px;position:relative;}
.cta-card .btn{margin-top:20px;position:relative;}
.cta-side{position:relative;display:flex;flex-direction:column;gap:10px;}
.cta-badge{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-m);
  padding:12px 16px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:rgba(255,255,255,.8);
}
.cta-badge b{color:#fff;font-size:17px;}

/* footer */
.site-footer{background:var(--c-bg-3);color:rgba(255,255,255,.68);padding:52px 0 0;margin-top:0;}
.foot-grid{display:grid;gap:30px;}
@media(min-width:768px){.foot-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;}}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;}
.site-footer p{font-size:13.5px;line-height:1.8;}
.site-footer a{font-size:13.5px;color:rgba(255,255,255,.68);transition:color .2s;display:inline-block;padding:4px 0;}
.site-footer a:hover{color:var(--c-primary);}
.foot-logo{display:inline-flex;align-items:flex-end;gap:6px;font-size:19px;font-weight:800;color:#fff;margin-bottom:12px;}
.foot-logo .logo-app{font-size:10.5px;background:var(--c-accent);color:#fff;padding:2px 6px;border-radius:6px;transform:translateY(-3px);}
.foot-links{display:grid;gap:2px;}
.foot-bottom{
  margin-top:36px;border-top:1px solid rgba(255,255,255,.12);padding:18px 0 24px;
  font-size:12.5px;color:rgba(255,255,255,.45);display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}
html body section[id]{scroll-margin-top:140px;}

/* roulang page: article */
:root{
  --c-primary:#FF6B35;--c-primary-d:#E8551F;--c-primary-l:#FFEDE4;
  --c-accent:#0FB5A5;--c-accent-l:#E2F6F3;
  --c-bg:#FFFDFB;--c-bg-2:#F7F4EF;--c-bg-3:#1B1F2A;
  --c-ink:#1B1F2A;--c-ink-2:#4A5163;--c-ink-3:#8A90A0;
  --c-line:#E8E6E1;
  --g-brand:linear-gradient(135deg,#FFB020 0%,#FF6B35 52%,#F04E3E 100%);
  --r-s:10px;--r-m:16px;--r-l:24px;--r-xl:32px;
  --sh-1:0 2px 8px rgba(27,31,42,.05);
  --sh-2:0 12px 32px rgba(27,31,42,.08);
  --sh-3:0 24px 60px rgba(240,78,62,.18);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink-2);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;}
@media (min-width:1024px){.container{padding:0 32px;}}
section[id]{scroll-margin-top:96px;}

/* ---------- 通用组件 ---------- */
.tag{display:inline-flex;align-items:center;gap:6px;background:var(--c-primary-l);color:var(--c-primary-d);font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:.02em;}
.tag-accent{background:var(--c-accent-l);color:#0A8C7F;}
.chip{display:inline-flex;align-items:center;background:var(--c-primary-l);color:var(--c-primary-d);font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;line-height:1.4;}
.chip-accent{background:var(--c-accent-l);color:#0A8C7F;}
.chip-line{background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-m);font-weight:700;font-size:15px;padding:13px 24px;border:1.5px solid transparent;cursor:pointer;transition:all .2s ease;line-height:1.2;}
.btn-primary{background:var(--g-brand);color:#fff;box-shadow:var(--sh-3);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;border-color:var(--c-primary);color:var(--c-primary-d);}
.btn-ghost:hover{background:var(--c-primary-l);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--c-primary-d);}
.btn-light:hover{background:var(--c-primary-l);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:var(--r-s);}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.arrow-link{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary-d);font-weight:700;font-size:14px;transition:transform .2s ease;}
.arrow-link:hover{transform:translateX(2px);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,253,251,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line);}
.site-header.scrolled{box-shadow:var(--sh-1);}
.nav-row{height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.logo{display:inline-flex;align-items:flex-end;gap:6px;font-size:20px;font-weight:800;letter-spacing:-.02em;flex:0 0 auto;}
.logo .logo-main{background:var(--g-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.logo .logo-app{font-size:11px;font-weight:800;color:#fff;background:var(--c-accent);padding:2px 6px;border-radius:6px;letter-spacing:.06em;transform:translateY(-3px);}
.nav-links{display:none;align-items:center;gap:26px;}
@media (min-width:1024px){.nav-links{display:flex;}}
.nav-links a{font-size:14.5px;font-weight:600;color:var(--c-ink-2);padding:6px 0;position:relative;transition:color .2s;}
.nav-links a:hover{color:var(--c-primary-d);}
.nav-links a.active{color:var(--c-primary-d);}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-primary);border-radius:2px;}
.nav-cta{display:none;}
@media (min-width:1024px){.nav-cta{display:inline-flex;}}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:var(--r-s);border:1px solid var(--c-line);background:#fff;cursor:pointer;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
@media (min-width:1024px){.nav-toggle{display:none;}}
.drawer{display:none;border-top:1px solid var(--c-line);background:var(--c-bg);padding:14px 20px 22px;}
.drawer.open{display:block;}
.drawer a{display:block;padding:12px 4px;font-size:15px;font-weight:600;color:var(--c-ink-2);border-bottom:1px dashed var(--c-line);}
.drawer a.active{color:var(--c-primary-d);}
.drawer .btn{width:100%;margin-top:14px;}

/* ---------- 步骤进度条 ---------- */
.steps-wrap{background:var(--c-bg-2);border-top:1px solid var(--c-line);}
.steps-bar{display:flex;align-items:center;gap:8px;padding:10px 0;overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none;}
.steps-bar::-webkit-scrollbar{display:none;}
.step{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--c-line);border-radius:999px;padding:5px 13px;font-size:12.5px;font-weight:700;color:var(--c-ink-3);white-space:nowrap;transition:all .2s ease;}
.step:hover{color:var(--c-primary-d);border-color:rgba(255,107,53,.5);}
.step .step-dot{width:18px;height:18px;border-radius:50%;background:var(--c-bg-2);color:var(--c-ink-3);font-size:11px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;}
.step.is-active{color:var(--c-primary-d);border-color:var(--c-primary);background:var(--c-primary-l);}
.step.is-active .step-dot{background:var(--c-primary);color:#fff;}
@media (max-width:767px){.steps-bar{padding:8px 0 10px;}}

/* ---------- 文章头区 ---------- */
.article-hero{position:relative;overflow:hidden;background:var(--c-bg-2);padding:34px 0 40px;border-bottom:1px solid var(--c-line);}
@media (min-width:768px){.article-hero{padding:48px 0 56px;}}
.article-hero::after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;filter:blur(70px);opacity:.22;background:var(--g-brand);top:-160px;right:-120px;z-index:0;pointer-events:none;}
.article-hero .container{position:relative;z-index:1;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:16px;}
.breadcrumb a{color:var(--c-ink-3);transition:color .2s;}
.breadcrumb a:hover{color:var(--c-primary-d);}
.breadcrumb .sep{color:#C9C5BC;}
.breadcrumb .crumb-current{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--c-ink-2);font-weight:600;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.article-h1{font-size:28px;line-height:1.28;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);max-width:820px;}
@media (min-width:768px){.article-h1{font-size:36px;}}
@media (min-width:1024px){.article-h1{font-size:40px;}}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--c-ink-3);}
.article-meta .dot{color:#C9C5BC;}
.article-meta .meta-strong{color:var(--c-ink-2);font-weight:700;}
.article-lead{margin-top:20px;max-width:820px;padding-left:14px;border-left:3px solid var(--c-primary);font-size:15.5px;line-height:1.8;color:var(--c-ink-2);}
@media (min-width:768px){.article-lead{font-size:16px;}}

/* ---------- 正文 ---------- */
.article-main{padding:44px 0 20px;background:var(--c-bg);}
@media (min-width:768px){.article-main{padding:64px 0 24px;}}
.article-wrap{max-width:760px;margin:0 auto;}
.article-body{font-size:16px;line-height:1.85;color:var(--c-ink-2);}
.article-body p{margin:0 0 1.2em;}
.article-body h2{position:relative;font-size:24px;line-height:1.35;font-weight:800;color:var(--c-ink);margin:1.9em 0 .75em;padding-left:16px;letter-spacing:-.01em;}
@media (min-width:768px){.article-body h2{font-size:28px;}}
.article-body h2::before{content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:6px;border-radius:3px;background:var(--c-primary);}
.article-body h3{font-size:19px;line-height:1.5;font-weight:800;color:var(--c-ink);margin:1.6em 0 .6em;}
@media (min-width:768px){.article-body h3{font-size:21px;}}
.article-body h4{font-size:17px;font-weight:800;color:var(--c-ink);margin:1.3em 0 .5em;}
.article-body a{color:var(--c-primary-d);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-primary);}
.article-body strong,.article-body b{color:var(--c-ink);font-weight:800;}
.article-body em{font-style:normal;color:var(--c-primary-d);font-weight:700;}
.article-body blockquote{margin:1.6em 0;padding:16px 20px;background:var(--c-bg-2);border-left:4px solid var(--c-primary);border-radius:0 var(--r-m) var(--r-m) 0;color:var(--c-ink-2);font-size:15.5px;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0;list-style:none;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.6em;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.74em;width:7px;height:7px;border-radius:50%;background:var(--c-primary);}
.article-body ol{counter-reset:olitem;}
.article-body ol li{position:relative;padding-left:26px;margin-bottom:.6em;counter-increment:olitem;}
.article-body ol li::before{content:counter(olitem);position:absolute;left:0;top:.15em;width:19px;height:19px;border-radius:50%;background:var(--c-primary-l);color:var(--c-primary-d);font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;}
.article-body img{width:100%;height:auto;border-radius:var(--r-m);margin:1.4em 0 .6em;box-shadow:var(--sh-1);}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:6px;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2em 0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14.5px;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 12px;text-align:left;}
.article-body th{background:var(--c-bg-2);color:var(--c-ink);font-weight:800;}
.article-empty{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);padding:40px 24px;text-align:center;box-shadow:var(--sh-1);}
.article-empty h2{font-size:22px;font-weight:800;color:var(--c-ink);margin-bottom:10px;}
.article-empty p{font-size:15px;color:var(--c-ink-3);margin-bottom:20px;}

/* ---------- 要点小结 ---------- */
.section{padding:48px 0;}
@media (min-width:768px){.section{padding:72px 0;}}
.section-alt{background:var(--c-bg-2);}
.summary-card{max-width:760px;margin:0 auto;background:var(--c-primary-l);border-radius:var(--r-l);padding:26px 22px;border:1px solid rgba(255,107,53,.22);}
@media (min-width:768px){.summary-card{padding:32px 34px;}}
.summary-card h2{font-size:20px;font-weight:800;color:var(--c-ink);margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.summary-card h2 span.badge{width:26px;height:26px;border-radius:8px;background:var(--c-primary);color:#fff;font-size:13px;display:inline-flex;align-items:center;justify-content:center;}
.summary-list{list-style:none;display:grid;gap:12px;}
.summary-list li{display:flex;gap:10px;font-size:15px;line-height:1.75;color:var(--c-ink-2);}
.summary-list li .tick{flex:0 0 auto;width:20px;height:20px;margin-top:3px;border-radius:50%;background:var(--c-accent);color:#fff;font-size:12px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;}

/* ---------- 相关推荐 ---------- */
.section-head{max-width:760px;margin:0 auto 26px;}
.section-head h2{font-size:22px;font-weight:800;color:var(--c-ink);letter-spacing:-.01em;}
@media (min-width:768px){.section-head h2{font-size:26px;}}
.section-head p{margin-top:8px;font-size:14.5px;color:var(--c-ink-3);}
.rel-grid{display:grid;gap:18px;max-width:1000px;margin:0 auto;grid-template-columns:1fr;}
@media (min-width:640px){.rel-grid{grid-template-columns:repeat(3,1fr);}}
.rel-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,107,53,.45);}
.rel-thumb{aspect-ratio:16/10;background:var(--c-bg-2);overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.rel-body h3{font-size:16.5px;line-height:1.5;font-weight:800;color:var(--c-ink);transition:color .2s;}
.rel-card:hover .rel-body h3{color:var(--c-primary-d);}
.rel-body .rel-desc{font-size:13.5px;color:var(--c-ink-3);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-body .rel-time{font-size:12.5px;color:var(--c-ink-3);margin-top:auto;}

/* ---------- 上一篇 / 下一篇 ---------- */
.pager{max-width:1000px;margin:0 auto;display:grid;gap:16px;grid-template-columns:1fr;}
@media (min-width:768px){.pager{grid-template-columns:1fr 1fr;}}
.pager-card{display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);padding:20px 22px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.pager-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,107,53,.45);}
.pager-card small{display:block;font-size:12.5px;color:var(--c-ink-3);margin-bottom:6px;font-weight:700;}
.pager-card b{display:block;font-size:16px;font-weight:800;color:var(--c-ink);line-height:1.5;transition:color .2s;}
.pager-card:hover b{color:var(--c-primary-d);}
.pager-back{text-align:center;margin-top:20px;}

/* ---------- 文末 CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--c-bg-3);border-radius:var(--r-xl);padding:32px 22px;color:#fff;box-shadow:var(--sh-2);}
@media (min-width:768px){.cta-band{padding:48px 44px;}}
.cta-band::after{content:"";position:absolute;width:360px;height:360px;border-radius:50%;filter:blur(70px);opacity:.42;background:var(--g-brand);right:-100px;bottom:-140px;pointer-events:none;}
.cta-inner{position:relative;z-index:1;display:grid;gap:20px;align-items:center;}
@media (min-width:900px){.cta-inner{grid-template-columns:1fr auto;gap:36px;}}
.cta-inner h2{font-size:22px;line-height:1.35;font-weight:800;letter-spacing:-.01em;color:#fff;}
@media (min-width:768px){.cta-inner h2{font-size:28px;}}
.cta-inner p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.74);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-actions .btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff;}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.copyright-bar{margin-top:26px;padding-top:18px;border-top:1px solid var(--c-line);font-size:12.5px;color:var(--c-ink-3);line-height:1.8;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-bg-3);color:rgba(255,255,255,.7);padding:56px 0 24px;margin-top:0;}
@media (min-width:768px){.site-footer{padding:72px 0 28px;}}
.foot-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media (min-width:768px){.foot-grid{grid-template-columns:repeat(2,1fr);gap:36px;}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;}}
.foot-logo{display:inline-flex;align-items:flex-end;gap:6px;font-size:19px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:-.01em;}
.foot-logo .logo-app{font-size:10.5px;font-weight:800;color:#fff;background:var(--c-accent);padding:2px 6px;border-radius:6px;transform:translateY(-3px);}
.site-footer p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:360px;}
.site-footer h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:13.5px;color:rgba(255,255,255,.62);transition:color .2s ease,transform .2s ease;}
.foot-links a:hover{color:var(--c-primary);transform:translateX(2px);}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:rgba(255,255,255,.45);}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --c-primary:#FF6B35;--c-primary-d:#E8551F;--c-primary-l:#FFEDE4;
  --c-accent:#0FB5A5;--c-accent-l:#E2F6F3;
  --c-bg:#FFFDFB;--c-bg-2:#F7F4EF;--c-bg-3:#1B1F2A;
  --c-ink:#1B1F2A;--c-ink-2:#4A5163;--c-ink-3:#8A90A0;
  --c-line:#E8E6E1;
  --g-brand:linear-gradient(135deg,#FFB020 0%,#FF6B35 52%,#F04E3E 100%);
  --r-s:10px;--r-m:16px;--r-l:24px;--r-xl:32px;
  --sh-1:0 2px 8px rgba(27,31,42,.05);
  --sh-2:0 12px 32px rgba(27,31,42,.08);
  --sh-3:0 24px 60px rgba(240,78,62,.18);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink-2);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--c-ink);font-weight:800;letter-spacing:-.01em;line-height:1.28;margin:0;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:1024px){.container{padding:0 32px;}}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-m);font-weight:700;font-size:15px;padding:13px 24px;border:1.5px solid transparent;transition:all .2s ease;line-height:1.2;cursor:pointer;}
.btn-primary{background:var(--g-brand);color:#fff;box-shadow:var(--sh-3);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;border-color:var(--c-primary);color:var(--c-primary-d);}
.btn-ghost:hover{background:var(--c-primary-l);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:var(--r-s);}
.btn:focus-visible,a:focus-visible,summary:focus-visible,.nav-toggle:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

.tag{display:inline-flex;align-items:center;gap:6px;background:var(--c-primary-l);color:var(--c-primary-d);font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;}
.tag-accent{background:var(--c-accent-l);color:#0A8C7F;}
.chip{display:inline-flex;align-items:center;background:var(--c-primary-l);color:var(--c-primary-d);font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;}
.chip-sm{font-size:11px;padding:2px 8px;}
.arrow-link{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary-d);font-weight:700;font-size:14px;transition:transform .2s ease,color .2s ease;}
.arrow-link:hover{transform:translateX(2px);}

/* header */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,253,251,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;}
.site-header.scrolled{box-shadow:var(--sh-1);}
.nav-row{height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.logo{display:inline-flex;align-items:flex-end;gap:6px;font-size:20px;font-weight:800;letter-spacing:-.02em;line-height:1;}
.logo .logo-main{background:var(--g-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.logo .logo-app{font-size:11px;font-weight:800;color:#fff;background:var(--c-accent);padding:2px 6px;border-radius:6px;letter-spacing:.06em;transform:translateY(-3px);}
.nav-links{display:none;align-items:center;gap:26px;}
.nav-links a{font-size:14.5px;font-weight:600;color:var(--c-ink-2);padding:6px 0;position:relative;transition:color .2s ease;}
.nav-links a:hover{color:var(--c-primary-d);}
.nav-links a.active{color:var(--c-primary-d);}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-primary);border-radius:2px;}
.nav-cta{display:none;}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:var(--r-s);border:1px solid var(--c-line);background:#fff;color:var(--c-ink);}
.nav-toggle svg{width:20px;height:20px;}
@media(min-width:1024px){
  .nav-links{display:flex;}
  .nav-cta{display:inline-flex;}
  .nav-toggle{display:none;}
}
.drawer{display:none;border-top:1px solid var(--c-line);background:var(--c-bg);padding:14px 20px 22px;}
.drawer.open{display:block;}
.drawer a{display:block;padding:12px 4px;font-size:15px;font-weight:600;color:var(--c-ink-2);border-bottom:1px dashed var(--c-line);}
.drawer a.active{color:var(--c-primary-d);}
.drawer .btn{width:100%;margin-top:14px;}

/* steps */
.steps-wrap{border-top:1px solid var(--c-line);background:var(--c-bg-2);}
.steps{display:flex;align-items:center;gap:8px;padding:8px 0;overflow-x:auto;scrollbar-width:none;}
.steps::-webkit-scrollbar{display:none;}
.steps a{flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;color:var(--c-ink-3);background:#fff;border:1px solid var(--c-line);border-radius:999px;padding:6px 14px;transition:all .2s ease;}
.steps a .dot{width:18px;height:18px;border-radius:50%;background:var(--c-bg-2);color:var(--c-ink-3);display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;transition:all .2s ease;}
.steps a:hover{color:var(--c-primary-d);border-color:rgba(255,107,53,.45);}
.steps a.active,.steps a.done{color:var(--c-primary-d);border-color:rgba(255,107,53,.5);background:var(--c-primary-l);}
.steps a.active .dot,.steps a.done .dot{background:var(--c-primary);color:#fff;}
.steps .step-arrow{flex:0 0 auto;color:var(--c-ink-3);font-size:12px;opacity:.6;}

/* section basics */
.section{padding:48px 0;scroll-margin-top:96px;}
@media(min-width:768px){.section{padding:72px 0;}}
.section-alt{background:var(--c-bg-2);}
.sec-head{margin-bottom:26px;}
.sec-head h2{font-size:24px;}
@media(min-width:768px){.sec-head h2{font-size:30px;}}
.sec-head p{margin-top:8px;font-size:14.5px;color:var(--c-ink-3);max-width:760px;}

/* category head */
.cat-head{position:relative;background:var(--c-bg-2);border-bottom:1px solid var(--c-line);padding:32px 0 40px;scroll-margin-top:96px;overflow:hidden;}
@media(min-width:768px){.cat-head{padding:44px 0 56px;}}
.cat-head::before{content:"";position:absolute;width:320px;height:320px;border-radius:50%;background:var(--g-brand);filter:blur(80px);opacity:.14;top:-120px;right:-80px;}
.cat-grid{position:relative;display:grid;gap:28px;align-items:start;}
@media(min-width:1024px){.cat-grid{grid-template-columns:1.4fr .6fr;gap:44px;}}
.crumb{font-size:13px;color:var(--c-ink-3);margin-bottom:14px;display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--c-ink-3);transition:color .2s ease;}
.crumb a:hover{color:var(--c-primary-d);}
.crumb span.sep{opacity:.5;}
.crumb .cur{color:var(--c-primary-d);font-weight:700;}
.cat-head h1{font-size:26px;line-height:1.25;margin-bottom:14px;}
@media(min-width:640px){.cat-head h1{font-size:33px;}}
@media(min-width:1024px){.cat-head h1{font-size:40px;}}
.cat-head h1 em{font-style:normal;background:var(--g-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.cat-desc{font-size:15px;color:var(--c-ink-2);max-width:720px;}
.cat-desc p + p{margin-top:8px;}
.badge-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:22px;max-width:560px;}
.data-badge{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-m);padding:12px 14px;box-shadow:var(--sh-1);}
.data-badge b{display:block;font-size:19px;font-weight:800;color:var(--c-ink);letter-spacing:-.02em;}
.data-badge b span{font-size:12px;font-weight:700;color:var(--c-ink-3);margin-left:2px;}
.data-badge small{display:block;font-size:12px;color:var(--c-ink-3);line-height:1.5;margin-top:2px;}
.stat-panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);padding:20px;box-shadow:var(--sh-1);}
.stat-panel h3{font-size:15px;margin-bottom:4px;}
.stat-panel .panel-sub{font-size:12.5px;color:var(--c-ink-3);margin-bottom:14px;}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--c-line);border-radius:var(--r-m);overflow:hidden;border:1px solid var(--c-line);}
.stat-cell{background:#fff;padding:14px 12px;text-align:center;}
.stat-cell b{display:block;font-size:22px;font-weight:800;color:var(--c-primary-d);letter-spacing:-.02em;line-height:1.2;}
.stat-cell small{display:block;font-size:11.5px;color:var(--c-ink-3);margin-top:4px;}
.stat-note{margin-top:12px;font-size:12px;color:var(--c-ink-3);display:flex;align-items:center;gap:6px;}
.stat-note i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block;}

/* tag strip */
.tag-strip{background:#fff;border-bottom:1px solid var(--c-line);padding:14px 0;}
.tag-row{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding:2px;}
.tag-row::-webkit-scrollbar{display:none;}
.tag-pill{flex:0 0 auto;display:inline-flex;align-items:center;font-size:13px;font-weight:700;color:var(--c-ink-2);background:#fff;border:1px solid var(--c-line);border-radius:999px;padding:7px 16px;transition:all .2s ease;}
.tag-pill:hover{border-color:rgba(255,107,53,.5);color:var(--c-primary-d);background:var(--c-primary-l);}
.tag-pill.on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(255,107,53,.24);}

/* post cards */
.post-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:768px){.post-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.post-grid{grid-template-columns:repeat(3,1fr);}}
.post-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column;}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,107,53,.4);}
.post-thumb{position:relative;display:block;aspect-ratio:16/10;background:var(--c-bg-2);overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-thumb .post-cat{position:absolute;left:12px;top:12px;background:rgba(255,253,251,.94);color:var(--c-primary-d);font-size:11.5px;font-weight:800;padding:3px 10px;border-radius:999px;backdrop-filter:blur(4px);}
.post-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1;}
.post-body h3{font-size:17px;line-height:1.5;margin-bottom:8px;}
.post-body h3 a{transition:color .2s ease;}
.post-body h3 a:hover{color:var(--c-primary-d);}
.post-body p{font-size:13.5px;color:var(--c-ink-3);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;padding-top:12px;border-top:1px dashed var(--c-line);font-size:12px;color:var(--c-ink-3);}
.list-more{display:flex;justify-content:center;margin-top:30px;}
.empty-state{background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-l);padding:44px 24px;text-align:center;}
.empty-state .ico{width:52px;height:52px;border-radius:50%;background:var(--c-primary-l);color:var(--c-primary-d);display:inline-flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;margin-bottom:14px;}
.empty-state p{font-size:15px;color:var(--c-ink-2);}
.empty-state small{display:block;font-size:12.5px;color:var(--c-ink-3);margin-top:6px;}

/* picks */
.pick-row{display:grid;grid-template-columns:1fr;gap:14px;}
@media(min-width:768px){.pick-row{grid-template-columns:repeat(3,1fr);}}
.pick{display:flex;gap:14px;background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-m);padding:16px 18px;transition:all .2s ease;}
a.pick:hover{transform:translateY(-3px);box-shadow:var(--sh-1);border-color:rgba(255,107,53,.4);background:#fff;}
.pick-no{flex:0 0 auto;font-size:20px;font-weight:800;color:var(--c-primary);letter-spacing:-.02em;line-height:1.2;}
.pick h3{font-size:15px;line-height:1.5;margin-bottom:4px;}
.pick p{font-size:13px;color:var(--c-ink-3);line-height:1.7;}

/* guide */
.guide-row{display:grid;grid-template-columns:1fr;gap:14px;counter-reset:guide;}
@media(min-width:640px){.guide-row{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.guide-row{grid-template-columns:repeat(4,1fr);}}
.guide-step{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-m);padding:18px 18px 20px;box-shadow:var(--sh-1);transition:all .2s ease;}
.guide-step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,107,53,.4);}
.guide-step .num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--c-primary-l);color:var(--c-primary-d);font-weight:800;font-size:15px;margin-bottom:12px;}
.guide-step h3{font-size:16px;margin-bottom:6px;}
.guide-step p{font-size:13px;color:var(--c-ink-3);line-height:1.7;}

/* faq */
.faq-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);box-shadow:var(--sh-1);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--c-line);}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;padding:16px 20px;font-weight:700;font-size:15px;color:var(--c-ink);list-style:none;transition:color .2s ease,background .2s ease;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary-d);background:var(--c-bg-2);}
.faq-item summary .caret{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--c-primary-l);color:var(--c-primary-d);display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;transition:transform .25s ease;}
.faq-item[open] summary{color:var(--c-primary-d);}
.faq-item[open] summary .caret{transform:rotate(180deg);}
.faq-answer{padding:0 20px 18px;font-size:14px;color:var(--c-ink-2);line-height:1.85;animation:faqIn .25s ease both;}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* channel entries */
.entry-grid{display:grid;grid-template-columns:1fr;gap:14px;}
@media(min-width:640px){.entry-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.entry-grid{grid-template-columns:repeat(3,1fr);}}
.entry-card{display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-m);padding:18px 20px;box-shadow:var(--sh-1);transition:all .2s ease;}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,107,53,.45);}
.entry-card .e-top{display:flex;align-items:center;gap:10px;margin-bottom:8px;}
.entry-card .e-ico{width:34px;height:34px;border-radius:10px;background:var(--c-primary-l);color:var(--c-primary-d);display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;}
.entry-card h3{font-size:16px;}
.entry-card p{font-size:13px;color:var(--c-ink-3);line-height:1.7;}

/* cta */
.cta-card{position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--c-bg-3);padding:34px 24px;color:#fff;box-shadow:var(--sh-2);}
@media(min-width:768px){.cta-card{padding:48px 44px;}}
.cta-card::after{content:"";position:absolute;width:360px;height:360px;border-radius:50%;background:var(--g-brand);filter:blur(90px);opacity:.34;right:-120px;bottom:-160px;}
.cta-inner{position:relative;display:grid;gap:24px;align-items:center;}
@media(min-width:1024px){.cta-inner{grid-template-columns:1.5fr .5fr;}}
.cta-card h2{color:#fff;font-size:24px;margin-bottom:10px;}
@media(min-width:768px){.cta-card h2{font-size:30px;}}
.cta-card p{color:#C3C8D4;font-size:14.5px;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.cta-stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-l);padding:20px;text-align:center;backdrop-filter:blur(6px);}
.cta-stat b{display:block;font-size:30px;font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.2;}
.cta-stat small{display:block;font-size:12px;color:#AEB5C4;margin-top:4px;}
.update-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;font-size:12.5px;color:var(--c-ink-3);}
.update-bar .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block;}

/* footer */
.site-footer{background:var(--c-bg-3);color:#C7CBD6;padding:56px 0 0;}
.foot-grid{display:grid;grid-template-columns:1fr;gap:30px;padding-bottom:34px;}
@media(min-width:768px){.foot-grid{grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;}}
.foot-logo{display:inline-flex;align-items:flex-end;gap:6px;font-size:20px;font-weight:800;color:#fff;margin-bottom:12px;line-height:1;}
.foot-logo .logo-app{font-size:11px;font-weight:800;background:var(--c-accent);color:#fff;padding:2px 6px;border-radius:6px;transform:translateY(-3px);letter-spacing:.06em;}
.site-footer p{font-size:13.5px;color:#9BA2B2;line-height:1.85;}
.site-footer h4{color:#fff;font-size:14px;margin-bottom:14px;letter-spacing:.03em;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:13.5px;color:#9BA2B2;transition:color .2s ease,transform .2s ease;}
.foot-links a:hover{color:var(--c-primary);transform:translateX(2px);}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12.5px;color:#7C8394;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}