/* roulang page: index */
:root{
  --brand:#F0436B;
  --brand-deep:#C22A57;
  --violet:#7B5CFA;
  --amber:#FF9A3D;
  --mint:#22C3A6;
  --bg:#FFF8F9;
  --bg-alt:#F4EFF6;
  --ink:#1A1226;
  --text:#241C30;
  --text-soft:#6B6379;
  --line:#EDE4EE;
  --grad:linear-gradient(120deg,#F0436B 0%,#8B5CF6 100%);
  --shadow-sm:0 2px 10px rgba(36,28,48,.05);
  --shadow-md:0 12px 30px rgba(36,28,48,.08);
  --shadow-brand:0 10px 26px rgba(240,67,107,.25);
  --r-lg:28px;
  --r-md:18px;
  --r-sm:12px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:var(--brand-deep);text-decoration:none;transition:color .18s ease,background .18s ease,box-shadow .18s ease,transform .18s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.3;}
h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.18;letter-spacing:-.01em;}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;}
h3{font-size:20px;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--violet);outline-offset:2px;border-radius:8px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.wrap{padding:0 32px;}}

/* ---------- header ---------- */
.topbar{background:var(--ink);color:#C9BED6;font-size:13px;}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;justify-content:space-between;min-height:38px;padding-top:6px;padding-bottom:6px;}
.topbar strong{color:#fff;font-weight:600;}
.topbar .tb-links{display:flex;gap:16px;flex-wrap:wrap;}
.topbar a{color:#C9BED6;}
.topbar a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,248,249,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(10px);transition:box-shadow .2s ease;}
.site-header.is-stuck{box-shadow:var(--shadow-md);}
.nav-row{display:flex;align-items:center;gap:18px;padding:14px 0;}
.logo{display:flex;flex-direction:column;line-height:1.15;flex-shrink:0;}
.logo-main{font-size:21px;font-weight:800;letter-spacing:.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.logo-sub{font-size:12px;color:var(--text-soft);font-weight:600;letter-spacing:.01em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{padding:8px 13px;border-radius:999px;font-size:15px;font-weight:600;color:var(--text);white-space:nowrap;}
.nav-links a:hover{background:#fff;color:var(--brand-deep);box-shadow:var(--shadow-sm);}
.nav-links a.is-active{background:#fff;color:var(--brand-deep);box-shadow:var(--shadow-sm);}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:20px;line-height:1;cursor:pointer;align-items:center;justify-content:center;}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-deep);}
.nav-mobile{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0 20px;}
.nav-mobile.is-open{display:block;}
.nav-mobile ul{display:flex;flex-direction:column;gap:4px;margin-bottom:14px;}
.nav-mobile a{padding:12px 14px;border-radius:12px;font-weight:600;color:var(--text);display:block;}
.nav-mobile a:hover,.nav-mobile a.is-active{background:var(--bg-alt);color:var(--brand-deep);}
.nav-mobile .m-cta{display:flex;gap:10px;}
.nav-mobile .m-cta .btn{flex:1;text-align:center;justify-content:center;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 28px;font-size:15px;font-weight:700;cursor:pointer;border:1.5px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;text-align:center;}
.btn-lg{padding:16px 34px;font-size:16px;}
.btn-sm{padding:9px 18px;font-size:13.5px;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-brand);}
.btn-primary:hover{color:#fff;box-shadow:0 14px 32px rgba(240,67,107,.34);transform:translateY(-1px);background:linear-gradient(150deg,#F0436B 0%,#8B5CF6 100%);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(240,67,107,.28);}
.btn-ghost{background:#fff;color:var(--text);border-color:rgba(240,67,107,.34);}
.btn-ghost:hover{color:var(--brand-deep);border-color:var(--brand);box-shadow:var(--shadow-sm);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-dark{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.38);}
.btn-dark:hover{background:rgba(255,255,255,.22);color:#fff;}
.text-link{font-weight:700;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px;}
.text-link .ar{transition:transform .18s ease;display:inline-block;}
.text-link:hover .ar{transform:translateX(3px);}

/* ---------- section basics ---------- */
.sec{padding:64px 0;position:relative;}
@media (min-width:768px){.sec{padding:80px 0;}}
@media (min-width:1024px){.sec{padding:92px 0;}}
.sec-alt{background:var(--bg-alt);}
.sec-deep{background:var(--ink);color:#EDE6F3;padding:72px 0;}
@media (min-width:1024px){.sec-deep{padding:96px 0;}}
.sec-deep h2,.sec-deep h3{color:#fff;}
.sec-deep p{color:#C6BBD4;}
.sec-head{margin-bottom:38px;max-width:760px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-deep);background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--grad);}
.sec-head p{color:var(--text-soft);margin-top:14px;margin-bottom:0;font-size:15.5px;}
.divider{height:6px;background:var(--grad);opacity:.16;}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:600;line-height:1.7;}
.badge-grad{background:var(--grad);color:#fff;}
.badge-free{background:rgba(34,195,166,.14);color:#0F8E79;}
.badge-online{background:rgba(34,195,166,.14);color:#0F8E79;}
.badge-hot{background:rgba(255,154,61,.16);color:#B86414;}
.badge-cat{background:#EFE9FB;color:#5B41C4;}
.badge-outline{background:#fff;border:1px solid var(--line);color:var(--text-soft);}

/* ---------- hero ---------- */
.hero{padding:44px 0 0;background:linear-gradient(180deg,#FFF1F4 0%,var(--bg) 72%);}
.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:44px;align-items:center;}}
.hero-tagline{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.hero h1{margin-bottom:18px;}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:17px;color:var(--text-soft);max-width:540px;}
.hero-lead{font-size:15.5px;color:var(--text-soft);margin-top:16px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-note{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:20px;font-size:13px;color:var(--text-soft);}
.hero-note span{display:inline-flex;align-items:center;gap:6px;}
.hero-note span::before{content:"✓";color:var(--mint);font-weight:800;}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md);aspect-ratio:4/3.2;background:#F1E8F4;}
.hero-visual img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,18,38,.06) 0%,rgba(26,18,38,.42) 100%);}
.float-badge{position:absolute;z-index:2;background:rgba(255,255,255,.94);border-radius:16px;padding:10px 14px;box-shadow:var(--shadow-md);font-size:12.5px;font-weight:600;color:var(--text);display:flex;flex-direction:column;gap:2px;}
.float-badge b{font-size:17px;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.fb-1{left:14px;bottom:16px;}
.fb-2{right:14px;top:16px;}
.fb-3{right:18px;bottom:22px;}
.hero-strip{margin-top:36px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm);display:grid;grid-template-columns:repeat(2,1fr);}
@media (min-width:768px){.hero-strip{grid-template-columns:repeat(4,1fr);}}
.hero-strip div{padding:16px 18px;border-right:1px solid var(--line);text-align:center;}
.hero-strip div:last-child{border-right:0;}
.hero-strip b{display:block;font-size:20px;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-strip span{font-size:12.5px;color:var(--text-soft);}

/* ---------- stat cards ---------- */
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;height:100%;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;}
.stat-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.stat-num{font-size:36px;font-weight:800;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;}
.stat-num small{font-size:15px;font-weight:700;margin-left:2px;}
.stat-name{font-size:14.5px;font-weight:600;margin-top:6px;}
.stat-delta{font-size:12px;color:#0F8E79;background:rgba(34,195,166,.13);border-radius:999px;padding:2px 10px;display:inline-block;margin-top:10px;}
.grid-gap{row-gap:24px;}

/* ---------- feature cards ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-sm);overflow:hidden;height:100%;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.card-media{display:block;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#FBE9EF,#EFE9FB);}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:18px;font-weight:700;margin:0;}
.card-title a{color:var(--text);}
.card-title a:hover{color:var(--brand-deep);}
.card-text{font-size:14.5px;color:var(--text-soft);margin:0;}
.card-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--text-soft);margin-top:auto;}
.feature-card{padding:26px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-sm);height:100%;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(240,67,107,.32);}
.fc-icon{width:48px;height:48px;border-radius:14px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;font-weight:800;margin-bottom:16px;}
.fc-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;}
.fc-name{font-size:17.5px;font-weight:700;}
.fc-text{font-size:14.5px;color:var(--text-soft);margin:0;}

/* ---------- event rail ---------- */
.event-rail{display:flex;gap:20px;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;}
.event-rail::-webkit-scrollbar{height:6px;}
.event-rail::-webkit-scrollbar-thumb{background:#E3D5E8;border-radius:99px;}
.event-card{flex:0 0 82%;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;}
@media(min-width:640px){.event-card{flex:0 0 46%;}}
@media(min-width:1024px){.event-card{flex:0 0 31%;}}
.event-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.event-card .card-media{aspect-ratio:4/3;}
.event-info{padding:18px 20px;}
.event-info h3{font-size:17px;margin-bottom:6px;}
.event-line{font-size:13px;color:var(--text-soft);display:flex;gap:12px;flex-wrap:wrap;margin-bottom:10px;}
.bar{height:6px;border-radius:99px;background:var(--bg-alt);overflow:hidden;}
.bar i{display:block;height:100%;background:var(--grad);border-radius:99px;}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr;gap:20px;position:relative;}
@media(min-width:900px){.compare{grid-template-columns:1fr 1fr;gap:32px;}}
.compare-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px;box-shadow:var(--shadow-sm);height:100%;}
.compare-card.win{border-color:rgba(240,67,107,.28);box-shadow:var(--shadow-brand);}
.compare-card h3{font-size:19px;margin-bottom:18px;}
.compare-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-soft);padding:9px 0;border-bottom:1px dashed var(--line);}
.compare-list li:last-child{border-bottom:0;}
.compare-list .yes::before{content:"✓";color:var(--mint);font-weight:800;}
.compare-list .no::before{content:"✕";color:#C9BECF;font-weight:800;}
.compare-badge{display:none;}
@media(min-width:900px){
  .compare-badge{display:flex;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:82px;height:82px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;font-size:14px;align-items:center;justify-content:center;text-align:center;box-shadow:var(--shadow-brand);z-index:2;}
}

/* ---------- reviews ---------- */
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow-sm);height:100%;}
.review-card:nth-child(2){transform:translateY(12px);}
@media(max-width:1023px){.review-card:nth-child(2){transform:none;}}
.rev-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#FBE0E8,#E7DFFB);display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--brand-deep);flex-shrink:0;}
.rev-name{font-weight:700;font-size:15px;}
.rev-city{font-size:12.5px;color:var(--text-soft);}
.stars{color:var(--amber);font-size:13px;letter-spacing:2px;margin-bottom:8px;}
.rev-text{font-size:14.5px;color:var(--text-soft);margin:0;}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:30px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:3px;border-radius:99px;background:var(--grad);}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item::before{content:"";position:absolute;left:-27px;top:6px;width:13px;height:13px;border-radius:50%;background:#fff;border:3px solid var(--brand);}
.tl-item h3{font-size:16.5px;margin-bottom:4px;}
.tl-item p{font-size:14px;color:var(--text-soft);margin:0;}
@media(max-width:767px){
  .timeline{padding-left:24px;}
}
.tl-photo{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md);}
.tl-photo img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;border-radius:0;}

/* ---------- news ---------- */
.news-lead .card-media{aspect-ratio:16/10;}
.news-list{display:flex;flex-direction:column;gap:12px;height:100%;}
.news-list li{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.news-list li:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(240,67,107,.28);}
.news-list a{display:block;padding:16px 18px;color:var(--text);}
.news-list strong{display:block;font-size:15.5px;font-weight:700;margin:6px 0 4px;line-height:1.5;}
.news-list a:hover strong{color:var(--brand-deep);}
.news-list em{font-style:normal;font-size:12.5px;color:var(--text-soft);}
.empty-state{background:#fff;border:1px dashed #E1D3E8;border-radius:var(--r-md);padding:36px 24px;text-align:center;color:var(--text-soft);font-size:14.5px;}
.empty-state p{margin-bottom:10px;}

/* ---------- topic strips ---------- */
.topic-card{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;box-shadow:var(--shadow-sm);height:100%;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(123,92,250,.3);}
.topic-card b{font-size:15.5px;font-weight:700;display:block;}
.topic-card span{font-size:12.5px;color:var(--text-soft);}
.topic-card .ar{color:var(--brand);font-weight:800;}

/* ---------- guard ---------- */
.guard-card{background:linear-gradient(180deg,#fff 0%,#FFF6F8 100%);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;height:100%;}
.guard-icon{width:42px;height:42px;border-radius:12px;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:14px;}
.guard-card h3{font-size:16.5px;margin-bottom:8px;}
.guard-card p{font-size:14px;color:var(--text-soft);margin:0;}

/* ---------- deep rules ---------- */
.rule-list li{display:flex;gap:12px;padding:12px 0;font-size:15px;color:#D6CCE0;border-bottom:1px solid rgba(255,255,255,.12);}
.rule-list li:last-child{border-bottom:0;}
.rule-list li::before{content:"●";color:var(--brand);font-size:11px;line-height:2;}
.safe-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-md);padding:26px;}
.safe-step{display:flex;gap:14px;padding:12px 0;}
.safe-step b{font-size:20px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;flex-shrink:0;font-variant-numeric:tabular-nums;}
.safe-step span{font-size:14.5px;color:#D6CCE0;}

/* ---------- steps ---------- */
.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px 24px;height:100%;position:relative;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step-num{font-size:44px;font-weight:800;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px;font-variant-numeric:tabular-nums;}
.step-card h3{font-size:17px;margin-bottom:8px;}
.step-card p{font-size:14.5px;color:var(--text-soft);margin:0;}
.steps-wrap{position:relative;}
@media(min-width:1024px){
  .steps-wrap::before{content:"";position:absolute;left:8%;right:8%;top:52px;border-top:2px dashed #E3D5E8;z-index:0;}
  .steps-wrap .step-card{position:relative;z-index:1;}
}

/* ---------- faq ---------- */
.faq-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:10px 8px;box-shadow:var(--shadow-sm);}
.faq-acc.accordion{background:transparent;margin:0;border:0;}
.faq-acc .accordion-item{border:0;border-bottom:1px solid var(--line);padding:0;background:transparent;}
.faq-acc .accordion-item:last-child{border-bottom:0;}
.faq-acc .accordion-title{padding:20px 56px 20px 22px;font-size:16.5px;font-weight:700;color:var(--text);border:0;background:transparent;position:relative;display:block;}
.faq-acc .accordion-title:hover{color:var(--brand-deep);}
.faq-acc .accordion-title::before{content:"+";position:absolute;right:22px;left:auto;top:50%;transform:translateY(-50%);font-size:22px;font-weight:700;color:var(--brand);margin:0;line-height:1;transition:transform .2s ease,color .2s ease;}
.faq-acc .accordion-title[aria-expanded="true"]::before{content:"–";color:var(--violet);transform:translateY(-50%) rotate(180deg);}
.faq-acc .accordion-item.is-active .accordion-title::after{content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;border-radius:99px;background:var(--grad);}
.faq-acc .accordion-content{padding:0 22px 22px;border:0;background:transparent;color:var(--text-soft);font-size:14.8px;line-height:1.85;}

/* ---------- app ---------- */
.app-box{background:linear-gradient(135deg,#FFF1F4 0%,#F1ECFC 100%);border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 28px;box-shadow:var(--shadow-sm);}
@media(min-width:1024px){.app-box{padding:46px 40px;}}
.app-points li{display:flex;gap:10px;font-size:14.5px;color:var(--text-soft);padding:6px 0;}
.app-points li::before{content:"✓";color:var(--mint);font-weight:800;}
.qr-frame{background:#fff;border:1px dashed #DCCBE4;border-radius:var(--r-md);padding:16px;text-align:center;max-width:220px;}
.qr-slot{aspect-ratio:1;border-radius:12px;background:linear-gradient(135deg,#FBE9EF,#EFE9FB);display:flex;align-items:center;justify-content:center;color:var(--text-soft);font-size:13px;margin-bottom:10px;}
.pill-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 14px;font-size:12.5px;font-weight:600;color:var(--text-soft);}

/* ---------- form ---------- */
.form-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px;box-shadow:var(--shadow-md);}
@media(min-width:768px){.form-box{padding:34px 32px;}}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text);margin-bottom:6px;}
.field label .req{color:var(--brand);margin-left:3px;}
.field input,.field select{width:100%;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;padding:0 14px;font-size:14.5px;color:var(--text);transition:border-color .18s ease,box-shadow .18s ease;}
.field input::placeholder{color:#B4A9BE;}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,67,107,.14);}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,#9A8FA8 50%),linear-gradient(135deg,#9A8FA8 50%,transparent 50%);background-position:calc(100% - 18px) 20px,calc(100% - 13px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.check-line{display:flex;gap:9px;align-items:flex-start;font-size:13.5px;color:var(--text-soft);margin:14px 0 18px;}
.check-line input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand);flex-shrink:0;}
.form-tip{font-size:12.5px;color:var(--text-soft);margin-top:12px;margin-bottom:0;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#B9AEC7;padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px;}
@media(min-width:768px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:700;}
.site-footer a{color:#B9AEC7;font-size:14px;display:inline-block;padding:4px 0;}
.site-footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-brand .logo-main{font-size:22px;}
.footer-brand .logo-sub{color:#9C90AC;}
.footer-brand p{font-size:13.5px;color:#9C90AC;margin-top:12px;max-width:320px;}
.footer-links li{display:block;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:20px;font-size:12.5px;color:#8E8299;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;}
.footer-bottom .warn{color:#A99BB6;}

/* ---------- responsive nav ---------- */
@media (max-width:1023px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
}
@media (max-width:519px){
  .hero-strip{grid-template-columns:repeat(2,1fr);}
  .hero-strip div:nth-child(2){border-right:0;}
  .sec{padding:48px 0;}
  .stat-num{font-size:30px;}
  .btn{padding:12px 22px;font-size:14.5px;}
  .btn-lg{padding:14px 26px;font-size:15px;}
  .card-body{padding:18px;}
}

/* roulang page: article */
:root{
  --brand:#F0436B;
  --brand-deep:#C22A57;
  --violet:#7B5CFA;
  --amber:#FF9A3D;
  --mint:#22C3A6;
  --bg:#FFF8F9;
  --bg-alt:#F4EFF6;
  --ink:#1A1226;
  --text:#241C30;
  --text-soft:#6B6379;
  --line:#EDE4EE;
  --grad:linear-gradient(120deg,#F0436B 0%,#8B5CF6 100%);
  --shadow-sm:0 2px 10px rgba(36,28,48,.05);
  --shadow-md:0 12px 30px rgba(36,28,48,.08);
  --shadow-brand:0 10px 26px rgba(240,67,107,.25);
  --r-lg:28px;
  --r-md:18px;
  --r-sm:12px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
main{display:block;}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure{margin:0;}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:var(--brand-deep);text-decoration:none;transition:color .18s ease,background .18s ease,box-shadow .18s ease,transform .18s ease;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--violet);outline-offset:2px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.wrap{padding:0 32px;}}
@media (min-width:1280px){.wrap{max-width:1240px;}}

/* ---------- header ---------- */
.topbar{background:var(--ink);color:#C9BED6;font-size:13px;}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;justify-content:space-between;min-height:38px;padding-top:6px;padding-bottom:6px;}
.topbar strong{color:#fff;font-weight:600;}
.topbar .tb-links{display:flex;gap:16px;flex-wrap:wrap;}
.topbar a{color:#C9BED6;}
.topbar a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,248,249,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(10px);transition:box-shadow .2s ease;}
.site-header.is-stuck{box-shadow:var(--shadow-md);}
.nav-row{display:flex;align-items:center;gap:18px;padding:14px 0;}
.logo{display:flex;flex-direction:column;line-height:1.15;flex-shrink:0;}
.logo-main{font-size:21px;font-weight:800;letter-spacing:.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.logo-sub{font-size:12px;color:var(--text-soft);font-weight:600;letter-spacing:.01em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{padding:8px 13px;border-radius:999px;font-size:15px;font-weight:600;color:var(--text);white-space:nowrap;}
.nav-links a:hover{background:#fff;color:var(--brand-deep);box-shadow:var(--shadow-sm);}
.nav-links a.is-active{background:#fff;color:var(--brand-deep);box-shadow:var(--shadow-sm);}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:20px;line-height:1;cursor:pointer;align-items:center;justify-content:center;}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-deep);}
.nav-mobile{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0 20px;}
.nav-mobile.is-open{display:block;}
.nav-mobile ul{display:flex;flex-direction:column;gap:4px;margin:0 0 14px;padding:0;list-style:none;}
.nav-mobile a{padding:12px 14px;border-radius:12px;font-weight:600;color:var(--text);display:block;}
.nav-mobile a:hover,.nav-mobile a.is-active{background:var(--bg-alt);color:var(--brand-deep);}
.nav-mobile .m-cta{display:flex;gap:10px;}
.nav-mobile .m-cta .btn{flex:1;text-align:center;justify-content:center;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 28px;font-size:15px;font-weight:700;cursor:pointer;border:1.5px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;text-align:center;}
.btn-lg{padding:16px 34px;font-size:16px;}
.btn-sm{padding:9px 18px;font-size:13.5px;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-brand);}
.btn-primary:hover{color:#fff;box-shadow:0 14px 32px rgba(240,67,107,.34);transform:translateY(-1px);background:linear-gradient(150deg,#F0436B 0%,#8B5CF6 100%);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(240,67,107,.28);}
.btn-ghost{background:#fff;color:var(--text);border-color:rgba(240,67,107,.34);}
.btn-ghost:hover{color:var(--brand-deep);border-color:var(--brand);box-shadow:var(--shadow-sm);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-dark{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.42);}
.btn-dark:hover{background:rgba(255,255,255,.24);color:#fff;}
.text-link{font-weight:700;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px;}
.text-link .ar{transition:transform .18s ease;display:inline-block;}
.text-link:hover .ar{transform:translateX(3px);}

/* ---------- section basics ---------- */
.sec{padding:56px 0;position:relative;}
.sec-alt{background:var(--bg-alt);}
@media (min-width:768px){.sec{padding:72px 0;}}
@media (min-width:1024px){.sec{padding:84px 0;}}
.sec-head{max-width:720px;margin-bottom:32px;}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;line-height:1.3;letter-spacing:-.01em;}
.sec-head p{margin-top:12px;color:var(--text-soft);font-size:15.5px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-deep);background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--grad);}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:600;line-height:1.7;}
.badge-grad{background:var(--grad);color:#fff;}
.badge-free{background:rgba(34,195,166,.14);color:#0F8E79;}
.badge-hot{background:rgba(255,154,61,.16);color:#B86414;}
.badge-cat{background:#EFE9FB;color:#5B41C4;}
.badge-outline{background:#fff;border:1px solid var(--line);color:var(--text-soft);}

/* ---------- article hero ---------- */
.page-hero{padding:32px 0 30px;background:linear-gradient(180deg,#FFF1F4 0%,var(--bg) 100%);border-bottom:1px solid var(--line);}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-soft);margin-bottom:18px;}
.crumbs a{color:var(--text-soft);}
.crumbs a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
.crumbs .sep{color:#C9BDD6;}
.crumbs .now{color:var(--text);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.page-hero h1{font-size:clamp(25px,3.4vw,42px);font-weight:800;line-height:1.26;letter-spacing:-.01em;max-width:900px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:20px;font-size:13.5px;color:var(--text-soft);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#D2C6DD;}
.meta-item{display:inline-flex;align-items:center;gap:6px;}

/* ---------- article layout ---------- */
.article-layout{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:48px;}}
.article-main{min-width:0;}
@media (min-width:1024px){.article-main{max-width:820px;}}

.prose{font-size:16.5px;line-height:1.85;color:#332A40;}
.prose p{margin:0 0 1.2em;}
.prose h2{font-size:clamp(20px,2.1vw,25px);font-weight:800;line-height:1.4;margin:1.9em 0 .8em;padding-left:15px;position:relative;color:var(--text);}
.prose h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:5px;border-radius:999px;background:var(--grad);}
.prose h3{font-size:18.5px;font-weight:700;color:var(--brand-deep);margin:1.6em 0 .6em;}
.prose h4{font-size:16.5px;font-weight:700;margin:1.4em 0 .5em;}
.prose a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
.prose a:hover{color:var(--violet);}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.4em;}
.prose ul{list-style:disc;}
.prose ol{list-style:decimal;}
.prose li{margin-bottom:.5em;}
.prose ul li::marker{color:var(--brand);}
.prose ol li::marker{color:var(--violet);font-weight:700;}
.prose blockquote{margin:1.6em 0;padding:18px 22px;background:linear-gradient(120deg,rgba(240,67,107,.07),rgba(123,92,250,.08));border-left:4px solid var(--brand);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--text-soft);}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:16px;margin:1.4em 0;width:100%;height:auto;}
.prose figure{margin:1.4em 0;}
.prose figcaption{font-size:13px;color:var(--text-soft);text-align:center;margin-top:10px;}
.prose table{width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0;}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.prose th{background:var(--bg-alt);font-weight:700;}
.prose > p:first-of-type{font-size:18px;color:var(--text);font-weight:500;line-height:1.8;}
.prose hr{border:0;height:1px;background:var(--line);margin:2em 0;}

/* ---------- empty state ---------- */
.notfound{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:48px 32px;text-align:center;box-shadow:var(--shadow-sm);}
.notfound h2{font-size:22px;font-weight:800;margin-bottom:20px;}

/* ---------- sidebar ---------- */
.side-col{display:flex;flex-direction:column;gap:22px;}
@media (min-width:1024px){.side-col{position:sticky;top:96px;align-self:start;}}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--shadow-sm);}
.side-title{font-size:15px;font-weight:800;margin:0 0 14px;display:flex;align-items:center;gap:8px;color:var(--text);}
.side-title::before{content:"";width:4px;height:15px;border-radius:999px;background:var(--grad);}
.author{display:flex;gap:14px;align-items:center;}
.avatar{width:54px;height:54px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:20px;flex-shrink:0;}
.author-name{font-weight:800;font-size:15.5px;}
.author-role{font-size:12.5px;color:var(--brand-deep);font-weight:600;}
.author-desc{font-size:13.5px;color:var(--text-soft);line-height:1.75;margin-top:14px;}
.hot-list{list-style:none;margin:0;padding:0;}
.hot-list li+li{border-top:1px dashed var(--line);}
.hot-list a{display:block;padding:11px 0;font-size:14.5px;font-weight:600;color:var(--text);line-height:1.6;transition:color .18s ease,padding-left .18s ease;}
.hot-list a:hover{color:var(--brand-deep);padding-left:4px;}
.hot-empty{font-size:13.5px;color:var(--text-soft);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag{display:inline-flex;align-items:center;border-radius:999px;padding:5px 13px;font-size:12.5px;font-weight:600;background:#F6F1FA;color:#5B41C4;border:1px solid #EBE2F5;transition:background .18s ease,color .18s ease;}
.tag:hover{background:#EFE9FB;color:var(--brand-deep);}

/* ---------- key info card ---------- */
.key-card{background:linear-gradient(135deg,rgba(240,67,107,.07),rgba(123,92,250,.09));border:1px solid rgba(240,67,107,.2);border-radius:var(--r-lg);padding:30px;box-shadow:var(--shadow-sm);}
.key-card h2{font-size:clamp(20px,2.1vw,24px);font-weight:800;margin-bottom:6px;}
.key-card .key-sub{font-size:14px;color:var(--text-soft);margin-bottom:20px;}
.key-grid{display:grid;grid-template-columns:1fr;gap:14px;}
@media (min-width:768px){.key-grid{grid-template-columns:1fr 1fr;}}
.key-item{display:flex;gap:12px;align-items:flex-start;background:rgba(255,255,255,.78);border:1px solid rgba(255,255,255,.9);border-radius:var(--r-sm);padding:14px 16px;}
.key-num{width:26px;height:26px;border-radius:50%;background:var(--grad);color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px;}
.key-item p{font-size:14.5px;line-height:1.7;color:var(--text);}

/* ---------- safety strip ---------- */
.safety-strip{display:grid;grid-template-columns:1fr;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow-sm);}
@media (min-width:900px){.safety-strip{grid-template-columns:1.1fr 1.8fr;align-items:center;gap:32px;}}
.safety-strip h2{font-size:clamp(19px,2vw,23px);font-weight:800;line-height:1.4;}
.safety-strip h2 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.safety-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;gap:12px;}
@media (min-width:640px){.safety-list{grid-template-columns:1fr 1fr;}}
.safety-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-soft);line-height:1.7;}
.safety-list i{color:var(--mint);margin-top:5px;font-size:14px;}

/* ---------- related cards ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media (min-width:640px){.card-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);gap:26px;}}
.card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;color:var(--text);}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(240,67,107,.3);color:var(--text);}
.card-media{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,#FCE7EE,#EDE7FB);display:flex;align-items:center;justify-content:center;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.card-media .ph{font-size:26px;color:rgba(123,92,250,.55);}
.card-media .badge{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);color:#5B41C4;}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:16.5px;font-weight:700;line-height:1.55;color:var(--text);}
.card:hover .card-title{color:var(--brand-deep);}
.card-excerpt{font-size:14px;color:var(--text-soft);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-soft);}
.rel-empty{background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);padding:32px;text-align:center;color:var(--text-soft);font-size:15px;}
.rel-empty a{font-weight:700;}

/* ---------- pager ---------- */
.pager{display:grid;grid-template-columns:1fr;gap:14px;margin-bottom:26px;}
@media (min-width:768px){.pager{grid-template-columns:1fr 1fr;}}
.pager a{display:flex;flex-direction:column;gap:6px;padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.pager a:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(240,67,107,.3);}
.pager .p-label{font-size:12.5px;color:var(--brand-deep);font-weight:700;letter-spacing:.02em;}
.pager .p-title{font-size:15.5px;font-weight:700;color:var(--text);line-height:1.55;}
.pager a:hover .p-title{color:var(--brand-deep);}
.back-row{text-align:center;padding-top:8px;}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:44px 32px;color:#fff;background:var(--grad);box-shadow:var(--shadow-brand);}
.cta-band-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.22;mix-blend-mode:luminosity;}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(240,67,107,.86),rgba(139,92,246,.82));}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:900px){.cta-inner{grid-template-columns:1.6fr 1fr;align-items:center;gap:40px;}}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.32;margin:14px 0 12px;}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.9);line-height:1.8;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (min-width:900px){.cta-actions{justify-content:flex-end;}}
.cta-band .badge{background:rgba(255,255,255,.2);color:#fff;border:1px solid rgba(255,255,255,.35);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C9BED6;padding:60px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand .logo-main{display:block;font-size:22px;background:none;-webkit-text-fill-color:#fff;color:#fff;font-weight:800;}
.footer-brand .logo-sub{display:block;font-size:12.5px;color:#A093B4;font-weight:600;margin:4px 0 14px;}
.footer-brand p{font-size:14px;line-height:1.8;color:#A99CB8;max-width:340px;}
.site-footer h4{font-size:14px;color:#fff;font-weight:700;margin:0 0 14px;}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:#A99CB8;font-size:14px;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:#8E82A0;}
.footer-bottom .warn{color:#C9BED6;}

/* ---------- responsive nav ---------- */
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-row{gap:12px;}
}
@media (max-width:519px){
  .page-hero{padding:24px 0 22px;}
  .sec{padding:44px 0;}
  .cta-band{padding:32px 22px;}
  .key-card{padding:22px;}
  .topbar .wrap{justify-content:flex-start;}
}

/* roulang page: category1 */
*,*::before,*::after{box-sizing:border-box;}
:root{
  --brand:#F0436B;
  --brand-deep:#C22A57;
  --violet:#7B5CFA;
  --amber:#FF9A3D;
  --mint:#22C3A6;
  --bg:#FFF8F9;
  --bg-alt:#F4EFF6;
  --ink:#1A1226;
  --text:#241C30;
  --text-soft:#6B6379;
  --line:#EDE4EE;
  --grad:linear-gradient(120deg,#F0436B 0%,#8B5CF6 100%);
  --shadow-sm:0 2px 10px rgba(36,28,48,.05);
  --shadow-md:0 12px 30px rgba(36,28,48,.08);
  --shadow-brand:0 10px 26px rgba(240,67,107,.25);
  --r-lg:28px;
  --r-md:18px;
  --r-sm:12px;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:var(--brand-deep);text-decoration:none;transition:color .18s ease,background .18s ease,box-shadow .18s ease,transform .18s ease;}
a:hover{color:var(--brand-deep);}
a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
button{font-family:inherit;}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:1024px){.wrap{padding:0 32px;}}
h1{font-size:clamp(28px,3.6vw,42px);font-weight:800;line-height:1.22;letter-spacing:-.01em;}
h2{font-size:clamp(23px,2.6vw,32px);font-weight:700;line-height:1.3;}
h3{font-size:19px;font-weight:700;line-height:1.45;}
.sec{padding:64px 0;position:relative;}
@media(min-width:1024px){.sec{padding:84px 0;}}
.sec-alt{background:var(--bg-alt);}
.sec-head{max-width:720px;margin-bottom:34px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-sub{color:var(--text-soft);font-size:15.5px;margin-top:12px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-deep);background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--grad);}
.divider{height:6px;background:var(--grad);opacity:.16;}
/* header */
.topbar{background:var(--ink);color:#C9BED6;font-size:13px;}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;justify-content:space-between;min-height:38px;padding-top:6px;padding-bottom:6px;}
.topbar strong{color:#fff;font-weight:600;}
.topbar .tb-links{display:flex;gap:16px;flex-wrap:wrap;}
.topbar a{color:#C9BED6;}
.topbar a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,248,249,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(10px);transition:box-shadow .2s ease;}
.site-header.is-stuck{box-shadow:var(--shadow-md);}
.nav-row{display:flex;align-items:center;gap:18px;padding:14px 0;}
.logo{display:flex;flex-direction:column;line-height:1.15;flex-shrink:0;}
.logo-main{font-size:21px;font-weight:800;letter-spacing:.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.logo-sub{font-size:12px;color:var(--text-soft);font-weight:600;letter-spacing:.01em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{padding:8px 13px;border-radius:999px;font-size:15px;font-weight:600;color:var(--text);white-space:nowrap;text-decoration:none;}
.nav-links a:hover{background:#fff;color:var(--brand-deep);box-shadow:var(--shadow-sm);text-decoration:none;}
.nav-links a.is-active{background:#fff;color:var(--brand-deep);box-shadow:var(--shadow-sm);}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:20px;line-height:1;cursor:pointer;align-items:center;justify-content:center;}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-deep);}
.nav-mobile{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0 20px;}
.nav-mobile.is-open{display:block;}
.nav-mobile ul{display:flex;flex-direction:column;gap:4px;margin-bottom:14px;}
.nav-mobile a{padding:12px 14px;border-radius:12px;font-weight:600;color:var(--text);display:block;}
.nav-mobile a:hover,.nav-mobile a.is-active{background:var(--bg-alt);color:var(--brand-deep);}
.nav-mobile .m-cta{display:flex;gap:10px;}
.nav-mobile .m-cta .btn{flex:1;text-align:center;justify-content:center;}
@media(max-width:1023px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 28px;font-size:15px;font-weight:700;cursor:pointer;border:1.5px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;text-align:center;}
.btn-lg{padding:16px 34px;font-size:16px;}
.btn-sm{padding:9px 18px;font-size:13.5px;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-brand);}
.btn-primary:hover{color:#fff;box-shadow:0 14px 32px rgba(240,67,107,.34);transform:translateY(-1px);background:linear-gradient(150deg,#F0436B 0%,#8B5CF6 100%);text-decoration:none;}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(240,67,107,.28);}
.btn-ghost{background:#fff;color:var(--text);border-color:rgba(240,67,107,.34);}
.btn-ghost:hover{color:var(--brand-deep);border-color:var(--brand);box-shadow:var(--shadow-sm);transform:translateY(-1px);text-decoration:none;}
.btn-ghost:active{transform:translateY(1px);}
.text-link{font-weight:700;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px;}
.text-link .ar{transition:transform .18s ease;display:inline-block;}
.text-link:hover{text-decoration:none;color:var(--brand-deep);}
.text-link:hover .ar{transform:translateX(3px);}
/* badges */
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:600;line-height:1.7;}
.badge-grad{background:var(--grad);color:#fff;}
.badge-free{background:rgba(34,195,166,.14);color:#0F8E79;}
.badge-hot{background:rgba(255,154,61,.16);color:#B86414;}
.badge-cat{background:#EFE9FB;color:#5B41C4;}
.badge-outline{background:#fff;border:1px solid var(--line);color:var(--text-soft);}
/* category hero band */
.cat-band{padding:34px 0 0;background:linear-gradient(160deg,#FFF0F4 0%,#F6F0FB 58%,var(--bg) 100%);position:relative;overflow:hidden;}
.cat-band::after{content:"";position:absolute;right:-120px;top:-90px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(240,67,107,.18),rgba(123,92,250,.06) 70%,transparent 72%);pointer-events:none;}
.cat-band .wrap{position:relative;z-index:1;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-soft);margin-bottom:16px;}
.crumb a{color:var(--text-soft);}
.crumb a:hover{color:var(--brand-deep);}
.crumb span.sep{color:#C6B9CE;}
.cat-band-inner{max-width:820px;padding-bottom:36px;}
.cat-band h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.cat-desc{color:var(--text-soft);font-size:16px;margin-top:16px;max-width:760px;}
.cat-stats{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:20px;font-size:13.5px;color:var(--text-soft);}
.cat-stats span{display:inline-flex;align-items:center;gap:7px;}
.cat-stats span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad);}
/* filter bar */
.filter-bar{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);padding:20px 22px;}
.filter-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;padding:9px 0;}
.filter-row + .filter-row{border-top:1px dashed var(--line);}
.filter-label{font-size:13px;font-weight:700;color:var(--text-soft);min-width:64px;}
.chip{display:inline-flex;align-items:center;padding:7px 16px;border-radius:999px;background:var(--bg);border:1px solid var(--line);font-size:13.5px;font-weight:600;color:var(--text);cursor:pointer;transition:all .18s ease;}
.chip:hover{border-color:rgba(240,67,107,.45);color:var(--brand-deep);text-decoration:none;background:#fff;}
.chip.is-on{background:var(--grad);border-color:transparent;color:#fff;box-shadow:var(--shadow-brand);}
.filter-sort{margin-left:auto;display:flex;align-items:center;gap:10px;}
.filter-sort select{height:40px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;color:var(--text);font-size:14px;padding:0 34px 0 14px;appearance:none;background-image:linear-gradient(45deg,transparent 50%,#8A7F97 50%),linear-gradient(135deg,#8A7F97 50%,transparent 50%);background-position:calc(100% - 18px) 17px,calc(100% - 12px) 17px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;cursor:pointer;}
.filter-sort select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,67,107,.14);outline:none;}
/* grid helpers over foundation */
.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-x.grid-margin-x > .cell{padding-left:12px;padding-right:12px;}
@media(min-width:1024px){
  .grid-x.grid-margin-x{margin-left:-16px;margin-right:-16px;}
  .grid-x.grid-margin-x > .cell{padding-left:16px;padding-right:16px;}
}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%;display:flex;flex-direction:column;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(240,67,107,.24);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#FBEAF0,#EFE9FB);border-radius:0;}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .type-badge{position:absolute;left:14px;top:14px;}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:18px;font-weight:700;line-height:1.45;}
.card-meta{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13px;color:var(--text-soft);}
.card-meta em{font-style:normal;color:var(--text);font-weight:600;}
.card-ex{font-size:14px;color:var(--text-soft);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px;}
.progress{height:8px;border-radius:999px;background:#F1E7EF;overflow:hidden;width:100%;}
.progress i{display:block;height:100%;border-radius:999px;background:var(--grad);}
.join-num{font-size:12.5px;color:var(--text-soft);font-variant-numeric:tabular-nums;white-space:nowrap;}
.section-top{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
/* spotlight */
.spot-card{display:flex;flex-wrap:wrap;gap:22px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;height:100%;text-decoration:none;}
.spot-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);text-decoration:none;}
.spot-thumb{flex:0 0 168px;max-width:168px;aspect-ratio:4/3;border-radius:var(--r-md);overflow:hidden;background:linear-gradient(135deg,#FBEAF0,#EFE9FB);}
.spot-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.spot-body{flex:1 1 220px;min-width:0;}
.spot-body h3{color:var(--text);margin:10px 0 8px;}
.spot-body p{font-size:14px;color:var(--text-soft);}
.spot-body .text-link{margin-top:12px;}
@media(max-width:640px){
  .spot-card{flex-direction:column;align-items:stretch;}
  .spot-thumb{flex:none;max-width:none;width:100%;}
}
/* stat strip */
.stat-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
@media(min-width:768px){.stat-strip{grid-template-columns:repeat(4,1fr);}}
.stat-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;text-align:center;box-shadow:var(--shadow-sm);}
.stat-item b{display:block;font-size:clamp(24px,3vw,32px);font-weight:800;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2;}
.stat-item span{font-size:13.5px;color:var(--text-soft);}
/* safety */
.safety-list{display:grid;grid-template-columns:1fr;gap:14px;}
@media(min-width:768px){.safety-list{grid-template-columns:repeat(2,1fr);}}
.safety-item{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--shadow-sm);}
.safety-num{flex:0 0 34px;width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px;font-variant-numeric:tabular-nums;}
.safety-item h3{font-size:16px;margin-bottom:4px;}
.safety-item p{font-size:13.8px;color:var(--text-soft);line-height:1.7;}
/* news list */
.news-card{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%;text-decoration:none;color:var(--text);}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(240,67,107,.24);text-decoration:none;color:var(--text);}
.news-card h3{font-size:16.5px;line-height:1.5;}
.news-ex{font-size:13.8px;color:var(--text-soft);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:8px;font-size:12.5px;color:var(--text-soft);}
.empty-state{background:#fff;border:1px dashed var(--line);border-radius:var(--r-md);padding:36px 20px;text-align:center;color:var(--text-soft);font-size:14.5px;}
/* FAQ */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:10px 24px;box-shadow:var(--shadow-sm);}
ul.accordion{margin:0;border:none;background:transparent;}
ul.accordion li.accordion-item{border:none;border-bottom:1px solid var(--line);background:transparent;position:relative;}
ul.accordion li.accordion-item:last-child{border-bottom:none;}
ul.accordion li.accordion-item.is-active::before{content:"";position:absolute;left:-24px;top:14px;bottom:14px;width:3px;border-radius:999px;background:var(--grad);}
.accordion-title{border:none;background:transparent;color:var(--text);font-size:16px;font-weight:700;padding:20px 44px 20px 0;border-radius:0;}
.accordion-title:hover,.accordion-title:focus{background:transparent;color:var(--brand-deep);}
.accordion-title::before{content:"+";position:absolute;right:4px;top:18px;font-size:22px;line-height:1;font-weight:400;color:var(--brand);border:none;width:auto;height:auto;margin:0;transition:transform .2s ease;}
.accordion-item.is-active .accordion-title::before{content:"−";}
.accordion-content{border:none;background:transparent;padding:0 44px 22px 0;color:var(--text-soft);font-size:14.5px;line-height:1.85;}
/* CTA band */
.cta-band{background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:38px 30px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;right:-80px;bottom:-120px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(240,67,107,.35),transparent 70%);pointer-events:none;}
.cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,28px);position:relative;z-index:1;}
.cta-band p{color:#C9BED6;font-size:14.5px;margin-top:8px;position:relative;z-index:1;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;}
.btn-dark{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.38);}
.btn-dark:hover{background:rgba(255,255,255,.22);color:#fff;text-decoration:none;}
.cta-note{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:22px;font-size:13.5px;color:var(--text-soft);}
.cta-note a{font-weight:700;}
/* footer */
.site-footer{background:var(--ink);color:#C9BED6;padding:56px 0 26px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;}}
.footer-brand .logo-main{font-size:20px;}
.footer-brand .logo-sub{display:block;margin-top:2px;}
.footer-brand p{font-size:13.5px;color:#A99BB8;margin-top:14px;line-height:1.8;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;}
.footer-links li{margin-bottom:9px;}
.footer-links a{color:#C9BED6;font-size:13.5px;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;font-size:12.5px;color:#8F82A0;}
.footer-bottom .warn{color:#B9AECB;}
@media(max-width:640px){
  .sec{padding:48px 0;}
  .nav-row{gap:10px;}
  .card-title{font-size:17px;}
  .filter-bar{padding:16px;}
  .faq-wrap{padding:6px 18px;}
  ul.accordion li.accordion-item.is-active::before{left:-18px;}
  .cta-band{padding:28px 20px;}
  .footer-bottom{flex-direction:column;}
}