/* roulang page: index */
:root{
  --brand-50:#E8FBF7; --brand-100:#C6F3EA; --brand-400:#22D3BC; --brand-500:#10B09B; --brand-600:#0A8C7C; --brand-700:#06665B;
  --accent-400:#FF4D8D; --accent-500:#F01F6B; --accent-600:#C4124F;
  --amber-1:#FFC24B; --amber-2:#F5A623;
  --ink-900:#14111C; --ink-800:#1E1A28; --ink-700:#2B2537;
  --paper:#F7F5F1; --card:#FFFFFF; --line:#E8E3DC;
  --text:#2C2A33; --muted:#6B6775; --invert:#F2F0F5;
  --r-card:18px; --r-big:22px; --r-field:12px; --r-img:14px;
  --shadow-card:0 10px 30px -22px rgba(20,17,28,.25);
  --shadow-hover:0 22px 44px -26px rgba(10,140,124,.45);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--paper); color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px; line-height:1.8; letter-spacing:0;
  font-variant-numeric:tabular-nums; overflow-x:hidden;
}
img{max-width:100%; display:block; border:0}
a{color:inherit; text-decoration:none}
button,input{font:inherit; color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0; list-style:none}
:focus-visible{outline:2px solid var(--brand-400); outline-offset:2px; border-radius:6px}
.container{width:100%; max-width:1200px; margin:0 auto; padding-left:16px; padding-right:16px}
@media(min-width:768px){.container{padding-left:24px; padding-right:24px}}
@media(min-width:1024px){.container{padding-left:32px; padding-right:32px}}

/* ---------- 通用组件 ---------- */
.btn{display:inline-flex; align-items:center; justify-content:center; gap:8px; height:48px; padding:0 28px; border-radius:999px; font-weight:600; font-size:16px; border:0; cursor:pointer; transition:all var(--ease); white-space:nowrap}
.btn-primary{background:var(--brand-600); color:#fff; box-shadow:0 8px 22px -14px rgba(10,140,124,.75)}
.btn-primary:hover{background:var(--brand-500); transform:translateY(-1px); box-shadow:0 14px 28px -14px rgba(10,140,124,.8)}
.btn-primary:active{background:var(--brand-700); transform:translateY(0)}
.btn-primary[disabled]{background:#C9C5BE; color:#fff; cursor:not-allowed; box-shadow:none}
.btn-outline{background:transparent; border:1.5px solid rgba(44,42,51,.6); color:var(--text)}
.btn-outline:hover{background:var(--brand-50); border-color:var(--brand-500); transform:translateY(-1px)}
.btn-outline-invert{background:transparent; border:1.5px solid rgba(255,255,255,.5); color:var(--invert)}
.btn-outline-invert:hover{background:rgba(255,255,255,.08)}
.link-arrow{color:var(--brand-700); font-weight:600; font-size:14px; display:inline-flex; align-items:center; gap:6px; transition:all var(--ease); border-bottom:2px solid transparent}
.link-arrow:hover{color:var(--accent-500); border-bottom-color:var(--accent-500)}
.link-arrow-invert{color:var(--brand-400); font-weight:600; font-size:14px; display:inline-flex; align-items:center; gap:6px; transition:all var(--ease); border-bottom:2px solid transparent}
.link-arrow-invert:hover{color:#fff; border-bottom-color:#fff}
.badge{display:inline-flex; align-items:center; height:24px; padding:0 10px; border-radius:999px; background:var(--brand-50); color:var(--brand-700); font-size:12px; font-weight:600; line-height:18px}
.chip{display:inline-flex; align-items:center; height:32px; padding:0 14px; border-radius:999px; background:var(--paper); border:1px solid var(--line); font-size:13px; color:var(--muted); transition:all var(--ease)}
.chip:hover{background:var(--brand-50); color:var(--brand-700); border-color:var(--brand-400)}
.sec{padding:56px 0}
@media(min-width:768px){.sec{padding:72px 0}}
@media(min-width:1024px){.sec{padding:96px 0}}
.sec-head{display:flex; align-items:flex-end; justify-content:space-between; gap:20px; margin-bottom:30px; flex-wrap:wrap}
.sec-title{display:flex; align-items:center; gap:12px; font-size:22px; line-height:32px; font-weight:700; letter-spacing:-0.01em}
@media(min-width:1024px){.sec-title{font-size:26px; line-height:36px}}
.sec-title::before{content:""; width:10px; height:10px; background:var(--brand-600); border-radius:2px; flex:none}
.sec-title::after{content:""; width:3px; height:22px; background:var(--brand-400); border-radius:2px; margin-left:-6px; flex:none}
.sec-desc{color:var(--muted); font-size:14px; max-width:620px; margin-top:8px}

/* ---------- Header ---------- */
.site-header{position:fixed; top:0; left:0; right:0; z-index:60; background:rgba(255,255,255,.96); border-bottom:1px solid transparent; transition:all var(--ease)}
.site-header.is-scrolled{background:#fff; border-bottom-color:var(--line); box-shadow:0 6px 24px -20px rgba(20,17,28,.5)}
.header-top-inner{display:flex; align-items:center; gap:16px; height:72px; transition:height var(--ease)}
.site-header.is-scrolled .header-top-inner{height:64px}
.logo{display:flex; align-items:center; gap:10px; flex:none}
.logo-mark{width:32px; height:32px; border-radius:10px; background:var(--brand-600); display:flex; align-items:center; justify-content:center; flex:none}
.logo-text{display:flex; flex-direction:column; line-height:1.15}
.logo-main{font-size:17px; font-weight:800; letter-spacing:-0.01em; color:var(--ink-900)}
.logo-sub{font-size:11px; color:var(--muted); letter-spacing:.06em}
.search-box{flex:1 1 auto; max-width:560px; display:flex; align-items:center; gap:8px; height:48px; padding:0 6px 0 16px; background:#fff; border:1px solid var(--line); border-radius:999px; transition:all var(--ease)}
.search-box:focus-within{border-color:var(--brand-400); box-shadow:0 0 0 2px var(--brand-400)}
.search-box input{flex:1; min-width:0; border:0; background:transparent; height:100%; outline:none; font-size:14px; color:var(--text)}
.search-box input::placeholder{color:#A8A3AE}
.search-btn{height:40px; padding:0 20px; border:0; border-radius:999px; background:var(--brand-600); color:#fff; font-size:14px; font-weight:600; cursor:pointer; transition:all var(--ease)}
.search-btn:hover{background:var(--brand-500)}
.header-actions{display:flex; align-items:center; gap:10px; flex:none}
.btn-quick{display:none; height:44px; padding:0 22px; border-radius:999px; background:var(--brand-600); color:#fff; font-size:14px; font-weight:600; align-items:center; transition:all var(--ease)}
.btn-quick:hover{background:var(--brand-500)}
@media(min-width:1024px){.btn-quick{display:inline-flex}}
.hamburger{width:44px; height:44px; border-radius:12px; border:1px solid var(--line); background:#fff; display:flex; align-items:center; justify-content:center; cursor:pointer}
.hamburger:hover{border-color:var(--brand-400)}
.hot-search{display:flex; align-items:center; gap:8px; overflow-x:auto; padding-bottom:8px; scrollbar-width:none}
.hot-search::-webkit-scrollbar{display:none}
.hot-search .hs-label{font-size:13px; color:var(--muted); flex:none}
.chip-mini{flex:none; display:inline-flex; align-items:center; height:26px; padding:0 12px; border-radius:999px; border:1px solid var(--line); background:var(--paper); font-size:13px; color:var(--muted); transition:all var(--ease)}
.chip-mini:hover{border-color:var(--accent-500); color:var(--accent-500)}
.header-nav{display:none; border-top:1px solid var(--line)}
.nav-inner{display:flex; align-items:center; gap:8px; padding:10px 0; flex-wrap:wrap}
.nav-link{display:inline-flex; align-items:center; height:38px; padding:0 16px; border-radius:999px; font-size:14px; color:var(--muted); transition:all var(--ease)}
.nav-link:hover{background:var(--brand-50); color:var(--brand-700)}
.nav-link.is-active{background:var(--brand-50); color:var(--brand-700); font-weight:600}
@media(min-width:1024px){.header-nav{display:block}}
.drawer{position:fixed; inset:0 0 0 auto; width:82vw; max-width:360px; background:#fff; z-index:90; transform:translateX(100%); transition:transform 220ms ease-out; box-shadow:-12px 0 40px -24px rgba(20,17,28,.5); padding:20px; overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-mask{position:fixed; inset:0; background:rgba(20,17,28,.45); z-index:80; opacity:0; visibility:hidden; transition:all 220ms ease-out}
.drawer-mask.is-open{opacity:1; visibility:visible}
.drawer-close{width:44px; height:44px; border-radius:12px; border:1px solid var(--line); background:#fff; display:flex; align-items:center; justify-content:center; cursor:pointer; margin-left:auto}
.drawer-title{font-size:13px; color:var(--muted); margin:24px 0 10px}
.drawer-link{display:flex; align-items:center; justify-content:space-between; height:52px; padding:0 16px; border-radius:var(--r-field); border:1px solid var(--line); margin-bottom:10px; font-size:15px; transition:all var(--ease)}
.drawer-link:hover,.drawer-link.is-active{background:var(--brand-50); border-color:var(--brand-400); color:var(--brand-700); font-weight:600}
.drawer .search-box{max-width:none; margin-top:12px}

/* ---------- Hero ---------- */
.hero{position:relative; background:var(--ink-900); color:var(--invert); padding:132px 0 72px; overflow:hidden}
@media(min-width:1024px){.hero{padding:168px 0 96px}}
.hero::before,.hero::after{content:""; position:absolute; border-radius:50%; filter:blur(90px); pointer-events:none}
.hero::before{width:520px; height:520px; background:rgba(16,176,155,.24); top:-180px; left:-120px}
.hero::after{width:420px; height:420px; background:rgba(240,31,107,.18); bottom:-200px; right:-80px}
.hero-dots{position:absolute; inset:0; background-image:radial-gradient(rgba(255,255,255,.14) 1px, transparent 1px); background-size:22px 22px; opacity:.06; pointer-events:none}
.hero-grid{position:relative; display:grid; grid-template-columns:1fr; gap:40px}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr; gap:48px; align-items:center}}
.hero h1{font-size:28px; line-height:38px; font-weight:800; letter-spacing:-0.01em; color:#fff}
@media(min-width:1024px){.hero h1{font-size:40px; line-height:48px}}
.hero-sub{margin-top:16px; font-size:16px; line-height:29px; color:rgba(242,240,245,.78); max-width:520px}
.hero-cta{display:flex; flex-wrap:wrap; gap:12px; margin-top:28px}
.hero-stats{display:flex; align-items:center; gap:20px; margin-top:36px; flex-wrap:wrap}
.hero-stat{min-width:92px}
.hero-stat b{display:block; font-size:24px; font-weight:800; color:#fff; line-height:1.2}
.hero-stat span{font-size:12px; color:rgba(242,240,245,.65)}
.hero-sep{width:1px; height:34px; background:rgba(255,255,255,.16)}
.hero-visual{position:relative}
.hero-visual img{width:100%; aspect-ratio:16/10; object-fit:cover; border-radius:var(--r-big); border:1px solid rgba(255,255,255,.12); background:var(--paper)}
.hero-float{position:absolute; left:16px; bottom:-18px; display:flex; align-items:center; gap:10px; background:var(--ink-800); border:1px solid rgba(255,255,255,.08); border-radius:14px; padding:12px 16px; font-size:13px; color:var(--invert)}
.hero-float .dot{width:8px; height:8px; border-radius:50%; background:var(--brand-400); flex:none}
.grad-line{height:3px; background:linear-gradient(90deg,var(--brand-500),var(--accent-500))}

/* ---------- 主张条 ---------- */
.claim{border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:var(--paper)}
.claim-inner{display:flex; align-items:center; justify-content:space-between; gap:20px; min-height:80px; flex-wrap:wrap; padding:14px 0}
.claim-list{display:flex; align-items:center; gap:22px; flex-wrap:wrap}
.claim-item{display:flex; align-items:center; gap:8px; font-size:14px; color:var(--text)}
.claim-item i{width:6px; height:6px; border-radius:2px; background:var(--brand-500); display:inline-block}

/* ---------- 故事 ---------- */
.story-grid{display:grid; grid-template-columns:1fr; gap:32px}
@media(min-width:1024px){.story-grid{grid-template-columns:6fr 6fr; gap:56px; align-items:start}}
.story-text p{color:var(--muted); margin-top:16px; font-size:15px; line-height:1.85}
.story-list{display:flex; flex-direction:column; gap:0}
.story-item{display:flex; gap:16px; padding:22px 0; border-bottom:1px solid var(--line)}
.story-item:first-child{border-top:1px solid var(--line)}
.story-num{flex:none; width:40px; height:40px; border-radius:12px; background:var(--brand-50); color:var(--brand-700); font-weight:800; font-size:15px; display:flex; align-items:center; justify-content:center}
.story-item h3{font-size:17px; font-weight:600; line-height:28px}
.story-item p{font-size:14px; color:var(--muted); margin-top:6px; line-height:1.75}

/* ---------- 精选卡 ---------- */
.featured-grid{display:grid; grid-template-columns:1fr; gap:24px}
@media(min-width:640px){.featured-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.featured-grid{grid-template-columns:repeat(3,1fr)}}
.fcard{display:flex; flex-direction:column; background:var(--card); border:1px solid var(--line); border-radius:var(--r-card); overflow:hidden; box-shadow:var(--shadow-card); transition:all var(--ease)}
.fcard:hover{border-color:var(--brand-400); transform:translateY(-4px); box-shadow:var(--shadow-hover)}
.fcard-media{position:relative; overflow:hidden; background:var(--paper)}
.fcard-media img{width:100%; aspect-ratio:16/10; object-fit:cover; transition:transform 500ms ease-out}
.fcard:hover .fcard-media img{transform:scale(1.04)}
.fcard-media .badge{position:absolute; left:14px; top:14px}
.fcard-body{padding:20px; display:flex; flex-direction:column; gap:10px; flex:1}
.fcard-body h3{font-size:17px; font-weight:600; line-height:26px; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden}
.fcard-body p{font-size:14px; color:var(--muted); line-height:1.7; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden}
.fcard-foot{display:flex; align-items:center; justify-content:space-between; margin-top:auto; padding-top:12px; border-top:1px solid var(--line); font-size:13px; color:var(--muted)}

/* ---------- 资讯列表 ---------- */
.news-list{border-top:1px solid var(--line)}
.news-row{position:relative; display:grid; grid-template-columns:1fr; gap:12px; padding:20px 0; border-bottom:1px solid var(--line); transition:all var(--ease)}
.news-row::before{content:""; position:absolute; left:0; top:0; bottom:0; width:3px; background:var(--brand-500); opacity:0; transition:opacity var(--ease)}
.news-row:hover{background:var(--paper)}
.news-row:hover::before{opacity:1}
@media(min-width:768px){
  .news-row{grid-template-columns:96px 112px 1fr 40px; align-items:center; gap:20px; min-height:92px; padding:16px 0}
}
.news-date{font-size:13px; color:var(--muted); font-variant-numeric:tabular-nums}
.news-thumb{width:100%; aspect-ratio:16/10; object-fit:cover; border-radius:10px; background:var(--paper); border:1px solid var(--line)}
.news-cats{display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom:6px}
.news-main h3{font-size:16px; font-weight:600; line-height:26px; display:-webkit-box; -webkit-line-clamp:1; -webkit-box-orient:vertical; overflow:hidden}
.news-main p{font-size:14px; color:var(--muted); margin-top:6px; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; line-height:1.7}
.news-go{width:40px; height:40px; border-radius:999px; border:1px solid var(--line); display:flex; align-items:center; justify-content:center; color:var(--brand-700); transition:all var(--ease)}
.news-row:hover .news-go{background:var(--brand-600); border-color:var(--brand-600); color:#fff}
.news-empty{min-height:180px; border:1px dashed var(--line); border-radius:var(--r-card); background:var(--paper); display:flex; flex-direction:column; align-items:center; justify-content:center; gap:12px; text-align:center; padding:32px 20px; color:var(--muted)}

/* ---------- 信任 ---------- */
.trust-stats{display:grid; grid-template-columns:repeat(2,1fr); gap:0; border:1px solid var(--line); border-radius:var(--r-card); background:var(--card); overflow:hidden}
@media(min-width:768px){.trust-stats{grid-template-columns:repeat(4,1fr)}}
.trust-stat{padding:28px 22px; text-align:center; border-right:1px solid var(--line); border-bottom:1px solid var(--line)}
@media(min-width:768px){.trust-stat{border-bottom:0}.trust-stat:last-child{border-right:0}}
.trust-stat b{display:block; font-size:32px; font-weight:800; color:var(--brand-700); line-height:1.2}
.trust-stat span{font-size:13px; color:var(--muted)}
.quote-grid{display:grid; grid-template-columns:1fr; gap:24px; margin-top:28px}
@media(min-width:768px){.quote-grid{grid-template-columns:repeat(3,1fr)}}
.quote-card{background:var(--card); border:1px solid var(--line); border-radius:var(--r-card); padding:24px; box-shadow:var(--shadow-card); transition:all var(--ease)}
.quote-card:hover{border-color:var(--brand-400); transform:translateY(-4px); box-shadow:var(--shadow-hover)}
.quote-card p{margin-top:12px; font-size:14px; line-height:1.8; color:var(--text)}
.quote-user{display:flex; align-items:center; gap:12px; margin-top:18px; padding-top:16px; border-top:1px solid var(--line)}
.avatar{width:40px; height:40px; border-radius:50%; background:var(--brand-100); display:flex; align-items:center; justify-content:center; color:var(--brand-700); font-weight:700; font-size:14px; flex:none}
.quote-user b{display:block; font-size:14px; font-weight:600}
.quote-user span{font-size:12px; color:var(--muted)}
.badge-strip{display:flex; flex-wrap:wrap; gap:12px; margin-top:28px}
.badge-block{height:32px; min-width:120px; border-radius:8px; background:#E9E6E0; opacity:.6; display:flex; align-items:center; justify-content:center; font-size:12px; color:#6B6775; padding:0 14px}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none; cursor:pointer; display:flex; align-items:center; justify-content:space-between; gap:16px; padding:20px 4px; font-size:17px; font-weight:600; line-height:26px; position:relative; transition:all var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:""; position:absolute; left:0; top:16px; bottom:16px; width:3px; background:var(--brand-500); border-radius:2px; opacity:0; transition:opacity var(--ease)}
.faq-item[open] summary::before{opacity:1}
.faq-item summary:hover{color:var(--brand-700)}
.faq-icon{flex:none; width:20px; height:20px; position:relative; transition:transform 180ms ease-out; color:var(--brand-600)}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 4px 22px; font-size:15px; line-height:1.8; color:var(--muted); max-width:880px}

/* ---------- 订阅 CTA ---------- */
.subscribe-cta{background:var(--ink-900); color:var(--invert); position:relative; overflow:hidden}
.subscribe-cta::before{content:""; position:absolute; width:460px; height:460px; border-radius:50%; background:rgba(16,176,155,.2); filter:blur(90px); top:-180px; right:-120px}
.subscribe-inner{position:relative; display:grid; grid-template-columns:1fr; gap:32px; align-items:center}
@media(min-width:1024px){.subscribe-inner{grid-template-columns:6fr 6fr; gap:56px}}
.subscribe-cta h2{font-size:22px; line-height:32px; font-weight:700; color:#fff}
@media(min-width:1024px){.subscribe-cta h2{font-size:26px; line-height:36px}}
.subscribe-cta p{color:rgba(242,240,245,.72); margin-top:12px; font-size:15px}
.form-row{display:flex; gap:12px; flex-wrap:wrap}
.field{height:52px; border-radius:var(--r-field); border:1px solid var(--line); background:#fff; padding:0 16px; font-size:15px; outline:none; width:100%; transition:all var(--ease)}
.field:focus{border-color:var(--brand-400); box-shadow:0 0 0 2px var(--brand-400)}
.field-invert{background:rgba(255,255,255,.06); border-color:rgba(255,255,255,.16); color:var(--invert)}
.field-invert::placeholder{color:rgba(255,255,255,.55)}
.field-invert:focus{border-color:var(--brand-400); box-shadow:0 0 0 2px var(--brand-400)}
.field-error{border-color:var(--accent-500)}
.form-msg{font-size:13px; margin-top:10px; min-height:20px}
.form-msg.ok{color:var(--brand-400)}
.form-msg.err{color:var(--accent-400)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900); color:var(--invert); position:relative}
.site-footer .grad-line{position:absolute; top:0; left:0; right:0}
.footer-grid{display:grid; grid-template-columns:1fr; gap:32px; padding:64px 0 32px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1.4fr}}
.footer-title{font-size:14px; font-weight:600; color:#fff; margin-bottom:16px}
.footer-col a{display:block; font-size:14px; color:rgba(242,240,245,.7); padding:6px 0; transition:all var(--ease)}
.footer-col a:hover{color:var(--brand-400); transform:translateX(2px)}
.footer-brand p{font-size:14px; color:rgba(242,240,245,.7); margin-top:14px; max-width:320px}
.footer-note{font-size:13px; color:rgba(242,240,245,.6)}
.copyright{border-top:1px solid rgba(255,255,255,.08); padding:20px 0; font-size:13px; color:rgba(242,240,245,.6); display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap}
.copyright a{color:rgba(242,240,245,.8); border-bottom:1px solid rgba(255,255,255,.25)}
.copyright a:hover{color:var(--brand-400); border-bottom-color:var(--brand-400)}

/* ---------- 动效 ---------- */
.reveal{opacity:0; transform:translateY(12px); transition:opacity 220ms ease-out, transform 220ms ease-out}
.reveal.is-in{opacity:1; transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1 !important; transform:none !important; transition:none !important}
  *{animation:none !important; transition:none !important}
}
@media(max-width:520px){
  .hero{padding-top:120px}
  .hero-stat b{font-size:20px}
  .btn{width:100%}
  .hero-cta .btn{width:100%}
  .claim-list{gap:14px}
}

/* roulang page: category1 */
:root{
    --brand-50:#E8FBF7; --brand-100:#C6F3EA; --brand-400:#22D3BC; --brand-500:#10B09B; --brand-600:#0A8C7C; --brand-700:#06665B;
    --accent-400:#FF4D8D; --accent-500:#F01F6B; --accent-600:#C4124F;
    --amber-400:#FFC24B; --amber-600:#F5A623;
    --ink-900:#14111C; --ink-800:#1E1A28; --ink-700:#2B2537;
    --paper:#F7F5F1; --card:#FFFFFF; --line:#E8E3DC;
    --text:#2C2A33; --muted:#6B6775; --invert:#F2F0F5;
    --r-card:18px; --r-large:22px; --r-sm:12px; --r-img:14px;
    --shadow:0 10px 30px -22px rgba(20,17,28,.25);
    --shadow-hover:0 22px 44px -26px rgba(10,140,124,.45);
    --max:1200px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;background:var(--paper);color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;line-height:29px;letter-spacing:0;
  }
  img{display:block;max-width:100%}
  a{color:var(--brand-700);text-decoration:none}
  button,input{font:inherit}
  h1,h2,h3,p,ul,ol,figure{margin:0}
  :focus-visible{outline:2px solid var(--brand-400);outline-offset:2px}
  .num{font-variant-numeric:tabular-nums}

  .container{width:100%;max-width:var(--max);margin:0 auto;padding:0 16px}
  @media (min-width:768px){ .container{padding:0 24px} }
  @media (min-width:1024px){ .container{padding:0 32px} }

  /* ---------- Header ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid transparent;transition:box-shadow .2s ease-out,border-color .2s ease-out}
  .site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 10px 28px -24px rgba(20,17,28,.55)}
  .header-top{display:flex;align-items:center;gap:18px;height:72px}
  .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .logo-mark{width:32px;height:32px;border-radius:10px;background:var(--brand-600);display:grid;place-items:center;flex:0 0 auto}
  .logo-main{display:block;font-size:16px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;line-height:20px}
  .logo-sub{display:block;font-size:12px;line-height:16px;color:var(--muted)}
  .search-box{display:flex;align-items:center;gap:8px;flex:1 1 auto;max-width:560px;height:48px;padding:0 6px 0 16px;background:#fff;border:1px solid var(--line);border-radius:999px;transition:border-color .2s ease-out,box-shadow .2s ease-out}
  .search-box:focus-within{border-color:var(--brand-400);box-shadow:0 0 0 3px rgba(34,211,188,.35)}
  .search-box svg{flex:0 0 auto;color:var(--brand-500)}
  .search-box input{flex:1 1 auto;min-width:0;height:100%;border:0;outline:none;background:transparent;font-size:15px;color:var(--text)}
  .search-box input::placeholder{color:#9A96A2}
  .search-btn{height:40px;padding:0 20px;border:0;border-radius:999px;background:var(--brand-600);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .18s ease-out,transform .18s ease-out}
  .search-btn:hover{background:var(--brand-500)}
  .search-btn:active{background:var(--brand-700)}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;transition:background .18s ease-out,border-color .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out}
  .btn-primary{background:var(--brand-600);color:#fff}
  .btn-primary:hover{background:var(--brand-500);transform:translateY(-1px);box-shadow:0 16px 30px -18px rgba(10,140,124,.75)}
  .btn-primary:active{transform:none;background:var(--brand-700)}
  .btn-ghost{background:transparent;border-color:rgba(44,42,51,.6);color:var(--text)}
  .btn-ghost:hover{background:var(--brand-50);border-color:var(--brand-600);color:var(--brand-700)}
  .header-cta{height:44px;padding:0 22px;font-size:14px}
  .hamburger{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;color:var(--ink-900)}
  .hot-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding-bottom:12px;font-size:13px;color:var(--muted)}
  .hot-label{font-size:13px;color:var(--muted)}
  .hot-tag{padding:4px 12px;border:1px solid var(--line);border-radius:999px;font-size:13px;color:var(--muted);transition:border-color .18s ease-out,color .18s ease-out}
  .hot-tag:hover{border-color:var(--accent-500);color:var(--accent-600)}
  .header-nav{border-top:1px solid var(--line);background:#fff}
  .nav-inner{display:flex;align-items:center;gap:8px;padding-top:10px;padding-bottom:10px;overflow-x:auto;scrollbar-width:none}
  .nav-inner::-webkit-scrollbar{display:none}
  .nav-link{white-space:nowrap;padding:9px 16px;border-radius:999px;font-size:14px;color:var(--text);transition:background .18s ease-out,color .18s ease-out}
  .nav-link:hover{background:var(--brand-50);color:var(--brand-700)}
  .nav-link.is-active{background:var(--brand-50);color:var(--brand-700);font-weight:600}

  .drawer-mask{position:fixed;inset:0;background:rgba(20,17,28,.5);opacity:0;pointer-events:none;transition:opacity .2s ease-out;z-index:70}
  .drawer{position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;background:#fff;transform:translateX(100%);transition:transform .22s ease-out;z-index:80;padding:20px;overflow-y:auto}
  .drawer.is-open{transform:translateX(0)}
  .drawer-mask.is-open{opacity:1;pointer-events:auto}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
  .drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;color:var(--ink-900)}
  .drawer-nav{display:grid;gap:8px;margin-top:16px}
  .drawer-nav a{padding:12px 14px;border:1px solid var(--line);border-radius:12px;color:var(--text);font-size:15px}
  .drawer-nav a.is-active{background:var(--brand-50);border-color:var(--brand-400);color:var(--brand-700);font-weight:600}

  @media (max-width:767px){
    .header-top{flex-wrap:wrap;height:auto;padding-top:12px;padding-bottom:12px;gap:12px}
    .search-box{order:3;flex:1 1 100%;max-width:none}
    .header-cta{display:none}
    .hamburger{display:inline-flex;margin-left:auto}
  }

  /* ---------- Category hero ---------- */
  .category-hero{position:relative;background:var(--ink-900);color:var(--invert);overflow:hidden}
  .category-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.3}
  .category-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(520px 320px at 12% 18%,rgba(16,176,155,.28),transparent 70%),radial-gradient(460px 300px at 88% 76%,rgba(240,31,107,.2),transparent 72%)}
  .hero-inner{position:relative;z-index:1;padding:44px 0 40px}
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(242,240,245,.7)}
  .crumb a{color:rgba(242,240,245,.85)}
  .crumb a:hover{color:#fff;text-decoration:underline}
  .crumb .sep{color:rgba(242,240,245,.45)}
  .crumb .now{color:rgba(242,240,245,.62)}
  .category-hero h1{margin-top:16px;font-size:28px;line-height:38px;font-weight:800;letter-spacing:-.01em;color:#fff;max-width:820px}
  @media (min-width:768px){ .category-hero h1{font-size:34px;line-height:44px} }
  .hero-desc{margin-top:14px;font-size:16px;line-height:28px;color:rgba(242,240,245,.82);max-width:700px}
  .anchor-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
  .anchor-pill{padding:8px 16px;border-radius:999px;border:1px solid rgba(255,255,255,.26);background:rgba(255,255,255,.06);color:var(--invert);font-size:13px;transition:background .18s ease-out,border-color .18s ease-out,color .18s ease-out}
  .anchor-pill:hover{background:rgba(255,255,255,.16);border-color:var(--brand-400);color:#fff}
  .grad-line{height:3px;background:linear-gradient(90deg,var(--brand-500),var(--accent-500))}

  /* ---------- Sections ---------- */
  .section{padding:56px 0}
  @media (min-width:768px){ .section{padding:72px 0} }
  @media (min-width:1024px){ .section{padding:96px 0} }
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
  .sec-title{display:flex;align-items:center;gap:12px}
  .sec-square{width:14px;height:14px;border-radius:4px;background:var(--brand-500);flex:0 0 auto}
  .sec-bar{width:4px;height:24px;border-radius:2px;background:var(--brand-600);flex:0 0 auto}
  .sec-title h2{font-size:22px;line-height:32px;font-weight:700;letter-spacing:-.01em}
  @media (min-width:768px){ .sec-title h2{font-size:26px;line-height:36px} }
  .sec-note{font-size:14px;color:var(--muted)}
  .text-link{font-size:14px;font-weight:600;color:var(--brand-700);border-bottom:2px solid transparent;padding-bottom:2px;transition:color .18s ease-out,border-color .18s ease-out}
  .text-link:hover{color:var(--accent-500);border-bottom-color:var(--accent-500)}

  /* ---------- Long alternating cards ---------- */
  .long-card{display:grid;background:#fff;border:1px solid var(--line);border-radius:var(--r-large);overflow:hidden;box-shadow:var(--shadow);transition:border-color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out}
  .long-card + .long-card{margin-top:24px}
  .long-card:hover{border-color:var(--brand-400);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
  .long-figure{margin:0;overflow:hidden;background:var(--paper)}
  .long-figure img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease-out}
  .long-card:hover .long-figure img{transform:scale(1.04)}
  .long-body{padding:24px}
  .long-body h3{margin-top:14px;font-size:19px;line-height:28px;font-weight:600;letter-spacing:-.01em}
  .long-body .lead{margin-top:12px;font-size:15px;line-height:27px;color:var(--muted)}
  @media (min-width:1024px){
    .long-card{grid-template-columns:5fr 7fr}
    .long-card.is-reverse{grid-template-columns:7fr 5fr}
    .long-card.is-reverse .long-figure{order:2}
    .long-body{padding:32px}
  }

  .badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;background:var(--brand-50);color:var(--brand-700);font-size:12px;font-weight:600;line-height:18px}
  .check-list{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:12px}
  .check-list li{position:relative;padding-left:26px;font-size:15px;line-height:26px;color:var(--muted)}
  .check-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--brand-500)}
  .check-list strong{color:var(--text);font-weight:600}
  .step-list{list-style:none;counter-reset:s;padding:0;margin:16px 0 0;display:grid;gap:12px}
  .step-list li{counter-increment:s;position:relative;padding-left:36px;font-size:15px;line-height:26px;color:var(--muted)}
  .step-list li::before{content:counter(s);position:absolute;left:0;top:2px;width:24px;height:24px;border-radius:6px;background:var(--brand-50);color:var(--brand-700);font-size:12px;font-weight:700;display:grid;place-items:center}
  .step-list strong{color:var(--text);font-weight:600}

  /* ---------- Metrics ---------- */
  .metrics{display:grid;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
  .metric{padding:24px;border-bottom:1px solid var(--line)}
  .metric:last-child{border-bottom:0}
  .metric-num{font-size:32px;line-height:40px;font-weight:800;color:var(--brand-600);font-variant-numeric:tabular-nums}
  .metric-txt{margin-top:6px;font-size:13px;line-height:20px;color:var(--muted)}
  @media (min-width:768px){
    .metrics{grid-template-columns:repeat(4,1fr)}
    .metric{border-bottom:0;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
  }

  .timeline{display:grid;gap:16px;margin-top:28px}
  .tl-item{display:grid;grid-template-columns:48px 1fr;gap:16px;align-items:start}
  .tl-num{width:48px;height:48px;border-radius:12px;background:var(--amber-400);color:#14111C;font-size:16px;font-weight:800;display:grid;place-items:center;font-variant-numeric:tabular-nums}
  .tl-body{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px}
  .tl-body h3{font-size:17px;line-height:26px;font-weight:600}
  .tl-body p{margin-top:6px;font-size:14px;line-height:24px;color:var(--muted)}

  /* ---------- FAQ ---------- */
  .faq-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .faq-list{display:grid;gap:12px}
  .faq-item{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;overflow:hidden;transition:border-color .18s ease-out}
  .faq-item:hover{border-color:var(--brand-400)}
  .faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:17px;line-height:26px;font-weight:600;min-height:44px}
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-plus{flex:0 0 auto;color:var(--brand-600);transition:transform .18s ease-out}
  .faq-item[open] .faq-plus{transform:rotate(45deg)}
  .faq-item[open] summary{box-shadow:inset 3px 0 0 var(--brand-500)}
  .faq-answer{padding:0 20px 20px;font-size:15px;line-height:27px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}

  /* ---------- CTA ---------- */
  .subscribe-cta{position:relative;background:var(--ink-900);color:var(--invert);overflow:hidden}
  .subscribe-cta::before{content:"";position:absolute;inset:0;background:radial-gradient(560px 320px at 20% 20%,rgba(16,176,155,.24),transparent 70%),radial-gradient(420px 280px at 84% 82%,rgba(240,31,107,.18),transparent 72%)}
  .cta-inner{position:relative;z-index:1;padding:56px 0}
  @media (min-width:1024px){ .cta-inner{padding:80px 0} }
  .cta-inner h2{font-size:22px;line-height:32px;font-weight:700;color:#fff;letter-spacing:-.01em}
  @media (min-width:768px){ .cta-inner h2{font-size:26px;line-height:36px} }
  .cta-inner p{margin-top:12px;font-size:15px;line-height:27px;color:rgba(242,240,245,.78);max-width:620px}
  .form-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;max-width:620px}
  .field{height:52px;padding:0 16px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;color:var(--text);outline:none;transition:border-color .18s ease-out,box-shadow .18s ease-out}
  .field:focus{border-color:var(--brand-400);box-shadow:0 0 0 3px rgba(34,211,188,.35)}
  .field-invert{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:var(--invert)}
  .field-invert::placeholder{color:rgba(255,255,255,.55)}
  .field-invert:focus{border-color:var(--brand-400);box-shadow:0 0 0 3px rgba(34,211,188,.35)}
  .form-msg{margin-top:10px;font-size:13px;line-height:20px;color:var(--brand-400)}
  @media (max-width:639px){ .form-row .btn{width:100%} }

  /* ---------- Footer ---------- */
  .site-footer{background:var(--ink-900);color:var(--invert);position:relative}
  .footer-grid{display:grid;gap:32px;padding:48px 0 32px}
  @media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,1fr)} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px} }
  .footer-brand p{margin-top:14px;font-size:14px;line-height:24px;color:rgba(242,240,245,.7);max-width:340px}
  .footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
  .footer-col{display:flex;flex-direction:column}
  .footer-col a{font-size:14px;line-height:22px;color:rgba(242,240,245,.75);padding:5px 0;transition:color .18s ease-out,transform .18s ease-out}
  .footer-col a:hover{color:var(--brand-400);transform:translateX(2px)}
  .footer-note{font-size:13px;line-height:22px;color:rgba(242,240,245,.66)}
  .footer-bottom{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;padding:18px 0 28px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(242,240,245,.6)}
  .footer-bottom a{color:rgba(242,240,245,.72)}
  .footer-bottom a:hover{color:var(--brand-400)}

  @media (prefers-reduced-motion:reduce){
    *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  }

/* roulang page: article */
:root{
  --brand-50:#E8FBF7; --brand-100:#C6F3EA; --brand-400:#22D3BC; --brand-500:#10B09B;
  --brand-600:#0A8C7C; --brand-700:#06665B;
  --accent-400:#FF4D8D; --accent-500:#F01F6B; --accent-600:#C4124F;
  --amber-400:#FFC24B; --amber-600:#F5A623;
  --ink-900:#14111C; --ink-800:#1E1A28; --ink-700:#2B2537;
  --paper:#F7F5F1; --white:#FFFFFF; --line:#E8E3DC; --zebra:#FAF9F6;
  --text:#2C2A33; --text-2:#6B6775; --invert:#F2F0F5;
  --r-card:18px; --r-big:22px; --r-field:12px; --r-img:14px; --r-pill:999px;
  --sh-card:0 10px 30px -22px rgba(20,17,28,.25);
  --sh-lift:0 22px 44px -26px rgba(10,140,124,.45);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.6;font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;background:var(--paper)}
a{color:var(--brand-700);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease)}
a:hover{color:var(--accent-500)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--ease)}
.site-header.is-scrolled{box-shadow:0 10px 24px -22px rgba(20,17,28,.5)}
.header-top{display:flex;align-items:center;gap:16px;min-height:72px;padding:10px 0;flex-wrap:wrap}
.site-header.is-scrolled .header-top{min-height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:32px;height:32px;border-radius:10px;background:var(--brand-600);display:flex;align-items:center;justify-content:center}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-main{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.logo-sub{font-size:12px;color:var(--text-2)}
.search-wrap{flex:1 1 320px;max-width:560px;min-width:0}
.search-box{
  display:flex;align-items:center;gap:8px;height:48px;padding:0 4px 0 16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color var(--ease),box-shadow var(--ease)
}
.search-box:focus-within{border-color:var(--brand-400);outline:2px solid var(--brand-400);outline-offset:2px}
.search-box svg{flex:0 0 auto;color:var(--brand-500)}
.search-input{flex:1 1 auto;min-width:0;height:40px;border:0;outline:none;background:transparent;font-size:15px}
.search-input::placeholder{color:#9C98A3}
.hot-search{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.hot-chip{font-size:13px;line-height:1;padding:7px 12px;border:1px solid var(--line);border-radius:var(--r-pill);color:var(--text-2);background:#fff;white-space:nowrap}
.hot-chip:hover{border-color:var(--accent-500);color:var(--accent-500)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex:0 0 auto}
.hamburger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-field);align-items:center;justify-content:center;color:var(--text)}
.header-nav{border-top:1px solid var(--line)}
.nav-inner{display:flex;gap:8px;overflow-x:auto;padding:8px 16px;scrollbar-width:none}
.nav-inner::-webkit-scrollbar{display:none}
@media(min-width:768px){.nav-inner{padding:8px 24px}}
@media(min-width:1024px){.nav-inner{padding:8px 32px}}
.nav-link{
  display:inline-flex;align-items:center;min-height:44px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:background-color var(--ease),color var(--ease)
}
.nav-link:hover{background:var(--paper);color:var(--brand-700)}
.nav-link.is-active{background:var(--brand-50);color:var(--brand-700);font-weight:600}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 28px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)
}
.btn-primary{background:var(--brand-600);color:#fff}
.btn-primary:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-lift)}
.btn-primary:active{background:var(--brand-700);transform:none}
.btn-primary[disabled]{background:#C9C5BE;color:#fff;cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{background:transparent;color:var(--text);border:1.5px solid rgba(44,42,51,.6)}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);border-color:var(--brand-400)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-pill)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);min-height:44px}
.text-link:hover{color:var(--accent-500);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:20px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:#C4BFB7}
.breadcrumb .current{color:var(--text-2)}

/* ---------- category head ---------- */
.category-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:18px 0 22px;border-bottom:1px solid var(--line);margin-top:8px}
.category-name{font-size:24px;font-weight:700;letter-spacing:-.01em;display:flex;align-items:center;gap:12px}
.category-name::before{content:"";width:12px;height:12px;border-radius:3px;background:var(--brand-500);flex:0 0 auto}

/* ---------- article ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;
  align-items:start;padding:40px 0 0;
}
.article-main{min-width:0;max-width:760px}
.article-head{margin-bottom:28px}
.article-head h1{
  font-size:32px;line-height:44px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900);
  margin-bottom:16px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;font-size:13px;color:var(--text-2)}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-50);color:var(--brand-700);font-size:12px;font-weight:600
}
.badge-accent{background:rgba(240,31,107,.09);color:var(--accent-600)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#CFC9C1}

.article-body{font-size:16px;line-height:1.85;color:var(--text)}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:26px;line-height:36px;font-weight:700;letter-spacing:-.01em;color:var(--ink-900);
  margin:48px 0 16px;padding-left:12px;border-left:4px solid var(--brand-500)
}
.article-body h3{font-size:19px;line-height:28px;font-weight:600;color:var(--ink-900);margin:32px 0 12px}
.article-body ul{margin:0 0 1.2em}
.article-body ul li{position:relative;padding-left:18px;line-height:1.8;margin-bottom:8px}
.article-body ul li::before{content:"";position:absolute;left:0;top:.74em;width:7px;height:7px;border-radius:50%;background:var(--brand-500)}
.article-body ol{margin:0 0 1.2em;padding-left:24px;list-style:decimal}
.article-body ol li{line-height:1.8;margin-bottom:8px}
.article-body ol li::marker{color:var(--brand-600);font-weight:600}
.article-body blockquote{
  margin:24px 0;background:var(--brand-50);border-left:4px solid var(--brand-500);
  padding:20px;border-radius:0 var(--r-field) var(--r-field) 0;color:#254743
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px 0}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-2);text-align:center;margin-top:10px}
.article-body a{color:var(--brand-700);border-bottom:1px solid rgba(10,140,124,.35)}
.article-body a:hover{color:var(--accent-500);border-bottom-color:rgba(240,31,107,.5)}
.article-body strong{font-weight:600;color:var(--ink-900)}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto;margin:24px 0}
.article-body thead th{background:var(--paper);text-align:left;font-weight:600;padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
.article-body tbody tr:nth-child(even) td{background:var(--zebra)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

.empty-state{
  border:1px dashed var(--line);background:var(--paper);border-radius:var(--r-card);
  padding:44px 28px;text-align:center;color:var(--text-2)
}
.empty-state svg{color:var(--brand-500);margin:0 auto 14px}
.empty-state h2{font-size:20px;font-weight:700;color:var(--ink-900);margin-bottom:8px}
.empty-state p{font-size:15px;margin-bottom:20px}

/* ---------- aside ---------- */
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.aside-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);padding:22px}
.aside-title{font-size:15px;font-weight:700;color:var(--ink-900);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.aside-title::before{content:"";width:4px;height:16px;background:var(--brand-500);border-radius:2px}
.aside-list li+li{border-top:1px solid var(--line)}
.aside-list a{display:flex;align-items:center;gap:10px;min-height:44px;padding:8px 0;font-size:14px;color:var(--text-2)}
.aside-list a:hover{color:var(--brand-700);background:var(--paper)}
.aside-list a svg{flex:0 0 auto;color:var(--brand-500)}
.aside-card p{font-size:14px;line-height:1.8;color:var(--text-2)}
.aside-cta{margin-top:14px;width:100%}

/* ---------- tags & related ---------- */
.tag-block{margin-top:44px;padding-top:24px;border-top:1px solid var(--line)}
.tag-block h2{font-size:16px;font-weight:700;color:var(--ink-900);margin-bottom:14px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;min-height:34px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--paper);border:1px solid var(--line);font-size:13px;color:var(--text-2)
}
.tag:hover{background:var(--brand-50);color:var(--brand-700);border-color:var(--brand-400)}

.related{margin-top:56px}
.related h2{font-size:22px;font-weight:700;letter-spacing:-.01em;color:var(--ink-900);display:flex;align-items:center;gap:12px;margin-bottom:24px}
.related h2::before{content:"";width:12px;height:12px;border-radius:3px;background:var(--brand-500)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease)
}
.card:hover{border-color:var(--brand-400);transform:translateY(-4px);box-shadow:var(--sh-lift)}
.card:focus-visible{border-color:var(--brand-400);outline:2px solid var(--brand-400);outline-offset:2px}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 500ms ease-out}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:26px;font-weight:600;color:var(--ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;line-height:22px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-2);padding-top:6px}
.card-foot svg{color:var(--brand-600)}

.back-row{margin:56px 0 0;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--ink-900);color:var(--invert);margin-top:96px}
.grad-line{height:3px;background:linear-gradient(90deg,var(--brand-500),var(--accent-500))}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:56px 0 40px}
.footer-brand .logo-mark{background:var(--brand-600)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(242,240,245,.72);margin-top:16px;max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:15px}
.footer-col a{display:block;font-size:14px;color:rgba(242,240,245,.72);padding:7px 0;transition:color var(--ease),transform var(--ease)}
.footer-col a:hover{color:var(--brand-400);transform:translateX(2px)}
.footer-note{font-size:13px;line-height:1.8;color:rgba(242,240,245,.6)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;font-size:13px;color:rgba(242,240,245,.6);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.footer-bottom a{color:rgba(242,240,245,.75);text-decoration:underline;text-underline-offset:3px}
.footer-bottom a:hover{color:var(--brand-400)}

.form-row{display:flex;gap:10px;flex-wrap:wrap}
.field{
  height:52px;width:100%;padding:0 16px;border-radius:var(--r-field);
  border:1px solid var(--line);background:#fff;color:var(--text);font-size:15px;outline:none;
  transition:border-color var(--ease),box-shadow var(--ease)
}
.field:focus{border-color:var(--brand-400);outline:2px solid var(--brand-400);outline-offset:2px}
.field-invert{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:var(--invert)}
.field-invert::placeholder{color:rgba(255,255,255,.55)}
.form-msg{font-size:13px;margin-top:10px;min-height:20px;color:var(--brand-400)}
.form-msg.is-error{color:var(--accent-400)}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:#fff;z-index:80;
  transform:translateX(100%);transition:transform 220ms ease-out;padding:20px;overflow-y:auto;
  border-left:1px solid var(--line);box-shadow:-20px 0 40px -30px rgba(20,17,28,.5)
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer .nav-link{display:flex;width:100%;margin-bottom:6px}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-field);display:flex;align-items:center;justify-content:center}
.backdrop{position:fixed;inset:0;background:rgba(20,17,28,.45);opacity:0;pointer-events:none;transition:opacity var(--ease);z-index:70}
.backdrop.is-open{opacity:1;pointer-events:auto}

/* ---------- responsive ---------- */
@media(max-width:1023px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;padding-top:32px}
  .article-main{max-width:100%}
  .article-aside{position:static;width:100%}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:767px){
  .hamburger{display:flex}
  .header-actions .btn{display:none}
  .search-wrap{order:3;flex:1 1 100%;max-width:100%}
  .header-top{min-height:64px}
  .article-head h1{font-size:24px;line-height:36px}
  .article-body h2{font-size:22px;line-height:32px;margin-top:40px}
  .category-name{font-size:20px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:40px 0 28px}
  .btn{width:100%}
  .btn.btn-sm{width:auto}
  .back-row .btn,.back-row .btn-ghost{width:100%}
}
@media(max-width:519px){
  .hot-search{display:none}
  .article-body table{font-size:14px}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --brand-50:#E8FBF7;
  --brand-100:#C6F3EA;
  --brand-400:#22D3BC;
  --brand-500:#10B09B;
  --brand-600:#0A8C7C;
  --brand-700:#06665B;
  --accent-400:#FF4D8D;
  --accent-500:#F01F6B;
  --accent-600:#C4124F;
  --amber-400:#FFC24B;
  --amber-500:#F5A623;
  --ink-900:#14111C;
  --ink-800:#1E1A28;
  --ink-700:#2B2537;
  --paper:#F7F5F1;
  --card:#FFFFFF;
  --line:#E8E3DC;
  --text:#2C2A33;
  --muted:#6B6775;
  --invert:#F2F0F5;
  --radius-card:18px;
  --radius-large:22px;
  --radius-field:12px;
  --shadow-card:0 10px 30px -22px rgba(20,17,28,.25);
  --shadow-hover:0 22px 44px -26px rgba(10,140,124,.45);
  --section-gap:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out}
a:hover{color:var(--accent-500)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px}

.container{max-width:1200px;margin:0 auto;padding:0 16px;width:100%}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1024px){.container{padding:0 32px}}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px -20px rgba(20,17,28,.4);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:16px;
  height:72px;
  transition:height .2s ease-out;
}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--brand-600);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 32px;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-main{font-size:16px;font-weight:700;color:var(--ink-900);letter-spacing:-0.01em}
.logo-sub{font-size:12px;color:var(--muted);font-weight:500}
.search-box{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;
  max-width:560px;
  height:48px;
  padding:0 6px 0 16px;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:999px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.search-box:focus-within{border-color:var(--brand-400);box-shadow:0 0 0 2px rgba(34,211,188,.5)}
.search-icon{flex:0 0 20px;color:var(--brand-500)}
.search-box input{
  flex:1 1 auto;min-width:0;border:none;background:transparent;height:100%;
  font-size:14px;outline:none;
}
.search-box input::placeholder{color:var(--muted)}
.search-btn{
  flex:0 0 auto;height:40px;padding:0 20px;border-radius:999px;
  background:var(--brand-600);color:#FFFFFF;font-size:14px;font-weight:600;
  transition:background-color .2s ease-out,transform .2s ease-out;
}
.search-btn:hover{background:var(--brand-500)}
.search-btn:active{background:var(--brand-700)}
.header-cta{
  flex:0 0 auto;height:44px;padding:0 22px;border-radius:999px;
  background:var(--brand-600);color:#FFFFFF;font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.header-cta:hover{background:var(--brand-500);color:#FFFFFF;transform:translateY(-1px);box-shadow:0 10px 22px -14px rgba(10,140,124,.8)}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1.5px solid rgba(44,42,51,.2);
  align-items:center;justify-content:center;color:var(--ink-900);
}
.hot-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding-bottom:10px}
.hot-label{font-size:13px;color:var(--muted)}
.hot-chip{
  font-size:13px;padding:4px 12px;border-radius:999px;border:1px solid var(--line);
  color:var(--muted);background:var(--paper);transition:all .2s ease-out;
}
.hot-chip:hover{border-color:var(--accent-500);color:var(--accent-500)}
.header-nav{border-top:1px solid var(--line);background:#FFFFFF}
.nav-inner{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
  font-size:14px;color:var(--muted);border:1px solid transparent;
  transition:all .2s ease-out;
}
.nav-link:hover{background:var(--paper);color:var(--ink-900)}
.nav-link.is-active{
  background:var(--brand-50);color:var(--brand-700);font-weight:600;border-color:var(--brand-100);
}
/* drawer */
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;
  background:#FFFFFF;z-index:90;transform:translateX(102%);
  transition:transform .22s ease-out;box-shadow:-18px 0 40px -30px rgba(20,17,28,.6);
  padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1.5px solid rgba(44,42,51,.2);display:flex;align-items:center;justify-content:center}
.drawer-search{display:flex;gap:8px;margin-bottom:16px}
.drawer-search input{
  flex:1 1 auto;height:52px;border-radius:var(--radius-field);border:1px solid var(--line);
  padding:0 16px;font-size:14px;outline:none;
}
.drawer-search input:focus{border-color:var(--brand-400);box-shadow:0 0 0 2px rgba(34,211,188,.5)}
.drawer-nav{display:flex;flex-direction:column;gap:8px}
.drawer-nav a{
  padding:14px 16px;border-radius:12px;background:var(--paper);color:var(--ink-900);
  font-size:15px;border:1px solid var(--line);
}
.drawer-nav a.is-active{background:var(--brand-50);color:var(--brand-700);font-weight:600;border-color:var(--brand-100)}
.scrim{
  position:fixed;inset:0;background:rgba(20,17,28,.5);z-index:80;opacity:0;pointer-events:none;
  transition:opacity .22s ease-out;
}
.scrim.is-open{opacity:1;pointer-events:auto}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:600;
  transition:all .2s ease-out;min-width:44px;
}
.btn-primary{background:var(--brand-600);color:#FFFFFF}
.btn-primary:hover{background:var(--brand-500);color:#FFFFFF;transform:translateY(-1px);box-shadow:0 12px 26px -16px rgba(10,140,124,.9)}
.btn-primary:active{background:var(--brand-700);transform:translateY(0)}
.btn-primary[disabled]{background:#C9C5BE;color:#FFFFFF;cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{
  background:transparent;border:1.5px solid rgba(44,42,51,.6);color:var(--ink-900);
}
.btn-ghost:hover{background:var(--brand-50);border-color:var(--brand-400);color:var(--brand-700)}
.btn-ghost-invert{background:transparent;border:1.5px solid rgba(255,255,255,.5);color:var(--invert)}
.btn-ghost-invert:hover{background:rgba(255,255,255,.08);color:#FFFFFF;border-color:rgba(255,255,255,.7)}
.text-link{
  color:var(--brand-700);font-weight:600;font-size:14px;
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:all .2s ease-out;
}
.text-link:hover{color:var(--accent-500);border-bottom-color:var(--accent-500)}

/* ============ Category hero ============ */
.category-hero{
  position:relative;
  background-color:var(--ink-900);
  background-image:linear-gradient(90deg,rgba(20,17,28,.92),rgba(20,17,28,.72)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  color:var(--invert);
  padding:34px 0 40px;
  overflow:hidden;
}
.category-hero::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--brand-400),var(--accent-500));
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(242,240,245,.65);flex-wrap:wrap}
.breadcrumb a{color:rgba(242,240,245,.85)}
.breadcrumb a:hover{color:var(--brand-400)}
.breadcrumb .sep{color:rgba(242,240,245,.4)}
.breadcrumb .current{color:rgba(242,240,245,.6)}
.category-hero h1{
  font-size:28px;line-height:1.32;font-weight:800;letter-spacing:-0.01em;
  margin-top:18px;max-width:880px;color:#FFFFFF;
}
@media (min-width:1024px){.category-hero h1{font-size:38px;line-height:1.26}}
.category-hero .lede{
  margin-top:14px;font-size:15px;color:rgba(242,240,245,.78);max-width:760px;
}
.anchor-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.anchor-chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  font-size:13px;border:1px solid rgba(255,255,255,.24);color:rgba(242,240,245,.9);
  background:rgba(255,255,255,.06);transition:all .2s ease-out;
}
.anchor-chip:hover{border-color:var(--brand-400);color:#FFFFFF;background:rgba(34,211,188,.14)}

/* ============ Sections ============ */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:96px 0}}
.section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.section-title{
  display:flex;align-items:center;gap:12px;
  font-size:22px;line-height:1.36;font-weight:700;letter-spacing:-0.01em;color:var(--ink-900);
}
@media (min-width:1024px){.section-title{font-size:26px}}
.section-title .mark{width:14px;height:14px;border-radius:3px;background:var(--brand-600);flex:0 0 14px}
.section-title .tick{width:4px;height:22px;background:var(--ink-900);flex:0 0 4px;border-radius:1px}
.section-desc{margin-top:10px;font-size:14px;color:var(--muted);max-width:720px}

/* ============ Numbered list ============ */
.num-list{display:flex;flex-direction:column;gap:18px}
.num-item{
  display:flex;gap:20px;padding:22px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.num-item:hover{border-color:var(--brand-400);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.num-badge{
  flex:0 0 48px;width:48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-50);border:1px solid var(--brand-100);color:var(--brand-700);
  font-size:16px;font-weight:800;letter-spacing:-0.01em;
}
.num-item.is-urgent .num-badge{background:#FFF6E4;border-color:#FCE3B4;color:#8A5B02}
.num-body{flex:1 1 auto;min-width:0}
.num-body h3{font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.5}
@media (min-width:768px){.num-body h3{font-size:19px}}
.num-body p{margin-top:8px;font-size:15px;color:var(--muted);line-height:1.85}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  font-size:13px;padding:4px 12px;border-radius:999px;background:var(--paper);
  border:1px solid var(--line);color:var(--muted);transition:all .2s ease-out;
}
.tag:hover{background:var(--brand-50);border-color:var(--brand-100);color:var(--brand-700)}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--brand-50);color:var(--brand-700);
  border:1px solid var(--brand-100);
}
.badge-amber{background:#FFF6E4;color:#8A5B02;border-color:#FCE3B4}

/* ============ Split block (checklist + image) ============ */
.split{display:grid;grid-template-columns:1fr;gap:28px;align-items:start}
@media (min-width:1024px){.split{grid-template-columns:1.15fr .85fr;gap:48px}}
.checklist{display:flex;flex-direction:column;gap:14px;margin-top:4px}
.check-item{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;background:var(--card);border:1px solid var(--line);border-radius:14px}
.check-icon{
  flex:0 0 24px;width:24px;height:24px;border-radius:8px;background:var(--brand-50);
  display:flex;align-items:center;justify-content:center;color:var(--brand-700);margin-top:2px;
}
.check-item strong{display:block;font-size:15px;font-weight:600;color:var(--ink-900)}
.check-item span{display:block;font-size:14px;color:var(--muted);margin-top:2px}
.figure-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-large);
  padding:14px;box-shadow:var(--shadow-card);
}
.figure-card img{width:100%;height:auto;border-radius:14px;background:var(--paper);object-fit:cover;aspect-ratio:16/10}
.figure-card figcaption{margin-top:12px;font-size:13px;color:var(--muted);line-height:1.7}

/* ============ Table ============ */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--card);box-shadow:var(--shadow-card);
}
table.compare{width:100%;min-width:640px;border-collapse:collapse;font-size:15px}
table.compare caption{
  caption-side:top;text-align:left;padding:18px 20px 6px;font-size:13px;color:var(--muted);
}
table.compare th,table.compare td{
  text-align:left;padding:16px 20px;border-bottom:1px solid var(--line);vertical-align:top;
}
table.compare thead th{background:var(--paper);font-size:13px;font-weight:600;color:var(--muted);letter-spacing:0}
table.compare tbody tr:nth-child(odd){background:#FAF9F6}
table.compare tbody tr:last-child td{border-bottom:none}
table.compare td:first-child{font-weight:600;color:var(--ink-900)}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);margin-top:8px}
.faq-item{position:relative;padding-left:16px;border-bottom:1px solid var(--line)}
.faq-item::before{
  content:'';position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:2px;
  background:transparent;transition:background .18s ease-out;
}
.faq-item[open]::before{background:var(--brand-500)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 0;font-size:17px;font-weight:600;color:var(--ink-900);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-plus{
  flex:0 0 20px;color:var(--brand-600);transition:transform .18s ease-out;
}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-answer{padding:0 0 20px;font-size:15px;line-height:1.8;color:var(--muted);max-width:820px}

/* ============ Fold panel ============ */
.fold-box{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:8px 24px;
}
.fold-box .faq-item:last-child{border-bottom:none}

/* ============ CTA ============ */
.subscribe-cta{
  background:var(--ink-900);color:var(--invert);border-radius:var(--radius-large);
  padding:32px 24px;position:relative;overflow:hidden;
}
@media (min-width:768px){.subscribe-cta{padding:44px 40px}}
.subscribe-cta::before{
  content:'';position:absolute;top:-120px;left:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,188,.24),transparent 70%);filter:blur(80px);
}
.subscribe-cta::after{
  content:'';position:absolute;bottom:-140px;right:-40px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,31,107,.18),transparent 70%);filter:blur(80px);
}
.subscribe-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:1024px){.subscribe-inner{grid-template-columns:1.1fr .9fr;align-items:center;gap:40px}}
.subscribe-cta h2{font-size:22px;font-weight:700;color:#FFFFFF;line-height:1.4;letter-spacing:-0.01em}
@media (min-width:1024px){.subscribe-cta h2{font-size:26px}}
.subscribe-cta p{margin-top:12px;font-size:15px;color:rgba(242,240,245,.78);max-width:520px}
.form-row{display:flex;gap:12px;flex-wrap:wrap}
.field{
  height:52px;border-radius:var(--radius-field);border:1px solid var(--line);
  padding:0 16px;font-size:15px;background:#FFFFFF;color:var(--text);width:100%;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field:focus{outline:none;border-color:var(--brand-400);box-shadow:0 0 0 2px rgba(34,211,188,.5)}
.field-invert{
  background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:var(--invert);
}
.field-invert::placeholder{color:rgba(255,255,255,.55)}
.form-msg{font-size:13px;margin-top:10px;min-height:20px;color:rgba(242,240,245,.7)}
.form-msg.is-error{color:var(--accent-400)}
.form-msg.is-ok{color:var(--brand-400)}

/* ============ Footer ============ */
.site-footer{background:var(--ink-900);color:var(--invert);margin-top:0;position:relative}
.grad-line{height:3px;background:linear-gradient(90deg,var(--brand-400),var(--accent-500))}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;padding:48px 0;
}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand .logo-main{color:#FFFFFF}
.footer-brand .logo-sub{color:rgba(242,240,245,.6)}
.footer-brand p{margin-top:14px;font-size:14px;color:rgba(242,240,245,.68);line-height:1.8;max-width:340px}
.footer-title{font-size:14px;font-weight:600;color:#FFFFFF;margin-bottom:14px}
.footer-col{display:flex;flex-direction:column;align-items:flex-start}
.footer-col a{
  font-size:14px;color:rgba(242,240,245,.72);padding:6px 0;transition:all .2s ease-out;
}
.footer-col a:hover{color:var(--brand-400);transform:translateX(2px)}
.footer-note{font-size:14px;color:rgba(242,240,245,.68);line-height:1.8}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 0 26px;
  font-size:13px;color:rgba(242,240,245,.6);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.footer-bottom a{color:rgba(242,240,245,.75)}
.footer-bottom a:hover{color:var(--brand-400)}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{transition:none !important;animation:none !important}
}

@media (max-width:1023px){
  .search-box{max-width:none}
}
@media (max-width:767px){
  .header-inner{flex-wrap:wrap;height:auto;padding:12px 0;gap:10px}
  .site-header.is-scrolled .header-inner{height:auto}
  .search-box{order:3;flex:1 1 100%;max-width:none;width:100%}
  .header-cta{display:none}
  .menu-toggle{display:inline-flex;margin-left:auto}
  .logo{margin-right:auto}
  .subscribe-cta{padding:28px 20px}
  .num-item{flex-direction:row;padding:18px;gap:16px}
  .num-badge{flex:0 0 44px;width:44px;height:44px;border-radius:12px;font-size:15px}
}

/* roulang page: category2 */
:root{
  --brand-50:#E8FBF7;--brand-100:#C6F3EA;--brand-400:#22D3BC;--brand-500:#10B09B;--brand-600:#0A8C7C;--brand-700:#06665B;
  --accent-400:#FF4D8D;--accent-500:#F01F6B;--accent-600:#C4124F;
  --amber-400:#FFC24B;--amber-500:#F5A623;
  --ink-900:#14111C;--ink-800:#1E1A28;--ink-700:#2B2537;
  --paper:#F7F5F1;--card:#FFFFFF;--line:#E8E3DC;
  --text:#2C2A33;--text-2:#6B6775;--text-inv:#F2F0F5;
  --r-card:18px;--r-big:22px;--r-field:12px;--r-img:14px;
  --sh-card:0 10px 30px -22px rgba(20,17,28,.25);
  --sh-hover:0 22px 44px -26px rgba(10,140,124,.45);
  --t:200ms ease-out;
  --sec-space:56px;
}
@media (min-width:768px){:root{--sec-space:72px}}
@media (min-width:1024px){:root{--sec-space:96px}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:#fff;color:var(--text);font-size:16px;line-height:1.8;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px}
[id]{scroll-margin-top:120px}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:70;background:#fff;transition:box-shadow var(--t),border-color var(--t);border-bottom:1px solid transparent}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px -20px rgba(20,17,28,.45)}
.header-top-inner{display:flex;align-items:center;gap:16px;height:72px}
.site-header.is-scrolled .header-top-inner{height:64px;transition:height var(--t)}

.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:32px;height:32px;border-radius:10px;background:var(--brand-600);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-main{font-size:16px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em}
.logo-sub{font-size:11px;color:var(--text-2);font-weight:500}

.search-bar{display:flex;align-items:center;gap:8px;flex:1 1 auto;max-width:520px;height:48px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 4px 4px 16px;transition:border-color var(--t),box-shadow var(--t)}
.search-bar:focus-within{border-color:var(--brand-400);box-shadow:0 0 0 2px var(--brand-400)}
.search-bar .icon-search{flex:0 0 auto;color:var(--brand-500)}
.search-bar input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:14px;height:40px;-webkit-appearance:none;appearance:none}
.search-bar input::placeholder{color:var(--text-2)}
.search-btn{flex:0 0 auto;height:40px;padding:0 22px;border:0;border-radius:999px;background:var(--brand-600);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background var(--t),transform var(--t)}
.search-btn:hover{background:var(--brand-500);transform:translateY(-1px)}
.search-btn:active{background:var(--brand-700);transform:none}

.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;border:0;transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t)}
.btn-primary{background:var(--brand-600);color:#fff}
.btn-primary:hover{background:var(--brand-500);transform:translateY(-1px);box-shadow:0 12px 26px -16px rgba(10,140,124,.75)}
.btn-primary:active{background:var(--brand-700);transform:none;box-shadow:none}
.btn-primary:disabled{background:#C9C5BE;color:#fff;cursor:not-allowed}
.btn-ghost{background:transparent;color:var(--text);border:1.5px solid rgba(44,42,51,.6)}
.btn-ghost:hover{background:var(--brand-50);border-color:var(--brand-400);color:var(--brand-700)}
.btn-ghost-invert{background:transparent;color:var(--text-inv);border:1.5px solid rgba(255,255,255,.5)}
.btn-ghost-invert:hover{background:rgba(255,255,255,.08);color:#fff}
.btn-sm{height:44px;padding:0 20px;font-size:14px}

.menu-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:12px;cursor:pointer;color:var(--ink-900)}
.menu-toggle:hover{background:var(--paper)}

.header-hot{border-top:1px solid #F1EDE7;border-bottom:1px solid var(--line);background:#fff}
.hot-inner{display:flex;align-items:center;gap:10px;height:42px;overflow-x:auto;scrollbar-width:none}
.hot-inner::-webkit-scrollbar{display:none}
.hot-label{font-size:13px;color:var(--text-2);flex:0 0 auto}
.hot-chip{flex:0 0 auto;font-size:13px;padding:3px 12px;border-radius:999px;border:1px solid var(--line);background:var(--paper);color:var(--text-2);transition:color var(--t),border-color var(--t),background var(--t)}
.hot-chip:hover{color:var(--accent-500);border-color:var(--accent-500);background:#fff}

.header-nav{background:#fff;border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:8px;padding-top:8px;padding-bottom:8px;overflow-x:auto;scrollbar-width:none}
.nav-inner::-webkit-scrollbar{display:none}
.nav-link{flex:0 0 auto;padding:9px 16px;border-radius:999px;font-size:14px;color:var(--text-2);white-space:nowrap;transition:background var(--t),color var(--t)}
.nav-link:hover{background:var(--paper);color:var(--brand-700)}
.nav-link.is-active{background:var(--brand-50);color:var(--brand-700);font-weight:600}

/* Drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(20,17,28,.5);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;background:#fff;z-index:100;transform:translateX(100%);transition:transform 220ms ease-out;display:flex;flex-direction:column;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;border-radius:12px;cursor:pointer}
.drawer-body{padding:20px}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-top:20px}
.drawer-nav a{padding:12px 14px;border-radius:var(--r-field);font-size:15px;color:var(--text);border:1px solid transparent;transition:background var(--t),color var(--t)}
.drawer-nav a:hover{background:var(--paper)}
.drawer-nav a.is-active{background:var(--brand-50);color:var(--brand-700);font-weight:600;border-color:var(--brand-100)}

/* ---------- Category hero ---------- */
.category-hero{position:relative;overflow:hidden;background-color:var(--ink-900);isolation:isolate}
.category-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.34;z-index:-2}
.category-hero::after{content:"";position:absolute;inset:0;background:
  radial-gradient(520px 320px at 12% 10%,rgba(34,211,188,.22),transparent 70%),
  radial-gradient(460px 300px at 88% 82%,rgba(240,31,107,.18),transparent 72%);
  z-index:-1}
.hero-dots{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:22px 22px;opacity:.4;z-index:-1}
.cat-hero-inner{position:relative;padding-top:36px;padding-bottom:40px;max-width:860px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(242,240,245,.68)}
.breadcrumb a{color:rgba(242,240,245,.78);transition:color var(--t)}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:rgba(242,240,245,.4)}
.breadcrumb .current{color:rgba(242,240,245,.62)}
.cat-title{font-size:28px;line-height:1.32;font-weight:800;letter-spacing:-.01em;color:#fff;margin-top:18px;max-width:760px}
@media (min-width:768px){.cat-title{font-size:34px}}
@media (min-width:1024px){.cat-title{font-size:38px}}
.cat-desc{margin-top:14px;font-size:16px;line-height:1.85;color:rgba(242,240,245,.82);max-width:660px}
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.anchor-chip{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;border-radius:999px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.06);color:var(--text-inv);font-size:14px;transition:background var(--t),border-color var(--t),color var(--t)}
.anchor-chip:hover{background:rgba(255,255,255,.14);border-color:var(--brand-400);color:#fff}
.hero-grad-line{height:3px;background:linear-gradient(90deg,var(--brand-400),var(--accent-500))}

/* ---------- Sections ---------- */
.section{padding-top:var(--sec-space);padding-bottom:0}
.section:last-of-type{padding-bottom:var(--sec-space)}
.sec-title{display:flex;align-items:center;gap:12px;font-size:22px;line-height:1.35;font-weight:700;letter-spacing:-.01em;color:var(--ink-900)}
@media (min-width:1024px){.sec-title{font-size:26px}}
.sec-mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;flex:0 0 auto;border-radius:9px;background:var(--brand-600);color:#fff;font-size:13px;font-weight:700;letter-spacing:.02em}
.sec-note{margin-top:12px;font-size:15px;color:var(--text-2);max-width:760px}
.sec-head{margin-bottom:28px}

/* Main layout */
.layout-main{display:grid;grid-template-columns:minmax(0,1fr);gap:40px}
@media (min-width:1024px){.layout-main{grid-template-columns:minmax(0,1fr) 280px}}
.main-col{display:flex;flex-direction:column;gap:var(--sec-space);min-width:0}
.side-col{display:none}
@media (min-width:1024px){.side-col{display:block}}

.toc-card{position:sticky;top:112px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-card)}
.toc-title{font-size:14px;font-weight:700;color:var(--ink-900);padding-bottom:12px;border-bottom:1px solid var(--line)}
.toc-list{margin-top:12px;display:flex;flex-direction:column;gap:2px}
.toc-list a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;font-size:14px;color:var(--text-2);transition:background var(--t),color var(--t)}
.toc-list a:hover{background:var(--brand-50);color:var(--brand-700)}
.toc-list a::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--line);flex:0 0 auto;transition:background var(--t)}
.toc-list a:hover::before{background:var(--brand-500)}
.toc-foot{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--text-2)}

/* Tiles */
.tile-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:640px){.tile-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.tile-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-big);box-shadow:var(--sh-card);transition:border-color var(--t),box-shadow var(--t),transform var(--t);overflow:hidden}
.tile-card:hover{border-color:var(--brand-400);box-shadow:var(--sh-hover);transform:translateY(-4px)}
.tile-card:focus-within{border-color:var(--brand-400);box-shadow:0 0 0 2px var(--brand-400),var(--sh-card)}
.tile-link{display:block;padding:20px}
.tile-media{border-radius:var(--r-img);overflow:hidden;background:var(--paper);aspect-ratio:16/9}
.tile-media img{width:100%;height:100%;object-fit:cover;transition:transform 500ms ease-out}
.tile-card:hover .tile-media img{transform:scale(1.04)}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;background:var(--brand-50);color:var(--brand-700);font-size:12px;font-weight:600;line-height:1}
.tile-body{padding-top:16px}
.tile-title{margin-top:12px;font-size:20px;line-height:1.45;font-weight:600;color:var(--ink-900);letter-spacing:-.01em}
.tile-desc{margin-top:10px;font-size:14px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.tile-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px solid #F1EDE7}
.tile-meta{font-size:13px;color:var(--text-2)}
.tile-arrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--brand-700)}
.tile-card:hover .tile-arrow{color:var(--accent-500)}
.tile-card:hover .tile-arrow svg{transform:translateX(3px)}
.tile-arrow svg{transition:transform var(--t)}

/* Steps */
.step-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:28px}
@media (min-width:640px){.step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.step-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.step-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;transition:border-color var(--t),box-shadow var(--t),transform var(--t)}
.step-item:hover{border-color:var(--brand-400);box-shadow:var(--sh-hover);transform:translateY(-4px)}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;background:var(--brand-50);color:var(--brand-700);font-size:14px;font-weight:700}
.step-item h3{margin-top:14px;font-size:17px;font-weight:600;color:var(--ink-900)}
.step-item p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-2)}

/* Metrics */
.metric-strip{margin-top:28px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 20px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
@media (min-width:1024px){.metric-strip{grid-template-columns:repeat(4,minmax(0,1fr));padding:32px}}
.metric{text-align:center;position:relative}
@media (min-width:1024px){
  .metric+.metric::before{content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);width:1px;height:44px;background:var(--line)}
}
.metric-num{font-size:30px;font-weight:800;line-height:1.1;color:var(--ink-900);letter-spacing:-.01em}
@media (min-width:1024px){.metric-num{font-size:32px}}
.metric-label{margin-top:8px;font-size:13px;color:var(--text-2)}

/* Risk list */
.risk-list{margin-top:28px;display:grid;grid-template-columns:1fr;gap:14px}
@media (min-width:768px){.risk-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
.risk-item{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;transition:border-color var(--t),transform var(--t),box-shadow var(--t)}
.risk-item:hover{border-color:var(--brand-400);transform:translateY(-4px);box-shadow:var(--sh-hover)}
.risk-icon{flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:var(--brand-50);color:var(--brand-600);display:flex;align-items:center;justify-content:center}
.risk-item h3{font-size:16px;font-weight:600;color:var(--ink-900)}
.risk-item p{margin-top:6px;font-size:14px;line-height:1.75;color:var(--text-2)}

/* FAQ */
.faq{margin-top:28px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{position:relative;display:flex;align-items:flex-start;gap:14px;padding:20px 44px 20px 0;font-size:17px;font-weight:600;color:var(--ink-900);cursor:pointer;list-style:none;transition:color var(--t)}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand-700)}
.faq summary::before{content:"";position:absolute;left:-12px;top:22px;width:3px;height:0;background:var(--brand-500);border-radius:2px;transition:height var(--t)}
.faq details[open] summary::before{height:22px}
.faq .plus{position:absolute;right:0;top:20px;width:20px;height:20px;color:var(--brand-600);transition:transform var(--t)}
.faq details[open] .plus{transform:rotate(45deg)}
.faq-answer{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:820px}

/* CTA */
.cta-wrap{margin-top:var(--sec-space);background:var(--ink-900);border-radius:var(--r-big);padding:36px 24px;position:relative;overflow:hidden}
@media (min-width:1024px){.cta-wrap{padding:48px 40px}}
.cta-wrap::after{content:"";position:absolute;inset:0;background:
  radial-gradient(420px 240px at 88% 12%,rgba(34,211,188,.2),transparent 72%),
  radial-gradient(340px 220px at 6% 92%,rgba(240,31,107,.16),transparent 74%)}
.cta-inner{position:relative;display:grid;gap:28px}
@media (min-width:1024px){.cta-inner{grid-template-columns:minmax(0,1fr) minmax(0,420px);align-items:center}}
.cta-title{font-size:22px;font-weight:700;color:#fff;letter-spacing:-.01em}
@media (min-width:1024px){.cta-title{font-size:26px}}
.cta-text{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(242,240,245,.78);max-width:560px}
.form-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.field{flex:1 1 200px;height:52px;padding:0 16px;border-radius:var(--r-field);border:1px solid var(--line);background:#fff;font-size:15px;outline:none;transition:border-color var(--t),box-shadow var(--t)}
.field:focus{border-color:var(--brand-400);box-shadow:0 0 0 2px var(--brand-400)}
.field-invert{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:var(--text-inv)}
.field-invert::placeholder{color:rgba(255,255,255,.55)}
.field-invert:focus{border-color:var(--brand-400);box-shadow:0 0 0 2px var(--brand-400)}
.field.is-error{border-color:var(--accent-500);box-shadow:0 0 0 2px rgba(240,31,107,.28)}
.field.is-ok{border-color:var(--brand-600)}
.form-msg{font-size:13px;min-height:20px;margin-top:8px;color:var(--text-2)}
.form-msg.is-error{color:var(--accent-500)}
.form-msg.is-ok{color:var(--brand-400)}

/* Footer */
.site-footer{background:var(--ink-900);color:rgba(242,240,245,.72);margin-top:var(--sec-space)}
.grad-line{height:3px;background:linear-gradient(90deg,var(--brand-400),var(--accent-500))}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:48px 0 32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(242,240,245,.66);margin-top:16px;max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(242,240,245,.68);transition:color var(--t),transform var(--t)}
.footer-col a:hover{color:var(--brand-400);transform:translateX(2px)}
.footer-note{font-size:13px;line-height:1.75;color:rgba(242,240,245,.6)}
.copyright{border-top:1px solid rgba(255,255,255,.08);padding:18px 0 24px;font-size:13px;color:rgba(242,240,245,.6);display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center}
.copyright a{color:var(--brand-400);transition:color var(--t)}
.copyright a:hover{color:#fff}

/* Reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 420ms ease-out,transform 420ms ease-out}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
}

/* Responsive header */
@media (max-width:1023px){
  .header-top-inner{flex-wrap:wrap;height:auto;padding-top:12px;padding-bottom:12px;gap:12px}
  .site-header.is-scrolled .header-top-inner{height:auto}
  .search-bar{order:3;flex:1 1 100%;max-width:none;width:100%}
  .menu-toggle{display:inline-flex}
  .header-actions{margin-left:auto}
}
@media (max-width:767px){
  .btn-quick{display:none}
  .tile-link{padding:16px}
  .tile-title{font-size:18px}
  .cta-wrap{padding:28px 20px}
  .form-row{flex-direction:column}
  .form-row .btn{width:100%}
}