/* roulang page: index */
:root{
  --brand:#0f6b5c;
  --brand-dark:#0a5247;
  --brand-light:#e8f3f0;
  --accent:#c1873c;
  --accent-light:#f7efe1;
  --ink:#13211f;
  --ink-soft:#46564f;
  --muted:#798a84;
  --bg:#f5f8f7;
  --bg-alt:#ffffff;
  --line:#e3eae7;
  --radius-sm:8px;
  --radius:12px;
  --radius-lg:18px;
  --shadow-sm:0 1px 2px rgba(19,33,31,.05),0 4px 14px rgba(19,33,31,.05);
  --shadow-md:0 8px 26px rgba(19,33,31,.09);
  --shadow-lg:0 18px 44px rgba(19,33,31,.16);
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:15.5px;
  line-height:1.78;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:-.01em;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(15,107,92,.34);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--max);padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto}
.sec{padding:64px 0}
.sec-alt{background:var(--bg-alt)}
.sec-dark{background:#0d2b26;color:#d9e7e3}
.sec-dark h2,.sec-dark h3{color:#fff}
.sec-head{max-width:800px;margin-bottom:34px}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--brand);
  text-transform:uppercase;margin-bottom:12px;
}
.sec-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}
.sec-dark .sec-kicker{color:#7fd8c6}
.sec-title{font-size:clamp(22px,2.4vw,30px);margin-bottom:14px}
.sec-desc{color:var(--ink-soft);font-size:15px;line-height:1.8}
.sec-dark .sec-desc{color:#a8c3bd}

/* header */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.95);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(19,33,31,.1)}
.header-inner{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--brand),#15907e);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;
  box-shadow:0 4px 12px rgba(15,107,92,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-name{font-weight:800;font-size:15.5px;letter-spacing:-.01em}
.brand-sub{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.main-nav .nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;
  padding:0 13px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-soft);
  transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.main-nav .nav-link:hover{background:var(--brand-light);color:var(--brand-dark)}
.main-nav .nav-link.active{color:var(--brand);background:var(--brand-light)}
.main-nav .nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;border-radius:2px;background:var(--brand);
}
.header-cta{margin-left:14px}
.btn-brand,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;font-weight:700;font-size:14.5px;line-height:1.2;
  padding:11px 22px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-brand{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 6px 16px rgba(15,107,92,.22)}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,107,92,.3)}
.btn-line{background:transparent;color:var(--brand);border-color:rgba(15,107,92,.45)}
.btn-line:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-1px)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:9px}
.nav-toggle{
  margin-left:auto;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;gap:4px;padding:0 10px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.mobile-nav{border-top:1px solid var(--line);background:#fff;padding:10px 0 18px}
.mobile-nav .container{display:flex;flex-direction:column;gap:4px}
.m-link{display:block;padding:12px 12px;border-radius:10px;font-weight:600;font-size:14.5px;color:var(--ink-soft)}
.m-link:hover,.m-link.active{background:var(--brand-light);color:var(--brand-dark)}
.mobile-nav .btn-brand{margin-top:10px}

/* hero */
.hero{
  position:relative;color:#fff;padding:68px 0 74px;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(7,28,24,.96) 0%,rgba(9,44,38,.9) 46%,rgba(9,44,38,.6) 100%);
}
.hero .container{position:relative;z-index:1}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.24);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;color:#c9efe6;margin-bottom:18px;
}
.hero-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:#7fd8c6;box-shadow:0 0 0 3px rgba(127,216,198,.22)}
.hero h1{font-size:clamp(27px,3.5vw,42px);line-height:1.24;color:#fff;margin-bottom:16px}
.hero-lead{color:#c3dcd6;font-size:15.5px;line-height:1.85;max-width:640px;margin-bottom:22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags .pill{
  padding:7px 15px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);color:#dcf1eb;
}
.group-card{
  background:#fff;color:var(--ink);border-radius:var(--radius-lg);
  padding:24px 22px;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.7);
}
.group-card h2{font-size:18px;margin-bottom:8px}
.group-note{font-size:13.5px;color:var(--ink-soft);line-height:1.75;margin-bottom:16px}
.group-count{display:flex;align-items:baseline;gap:8px;margin-bottom:10px}
.group-count strong{font-size:30px;line-height:1;color:var(--brand);font-weight:800}
.group-count span{font-size:13px;color:var(--muted);font-weight:600}
.progress-track{height:10px;border-radius:999px;background:#e8eeec;overflow:hidden;margin-bottom:8px}
.progress-fill{height:100%;width:75%;border-radius:999px;background:linear-gradient(90deg,var(--brand),#1aa58f)}
.progress-meta{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-bottom:18px}
.group-actions{display:flex;gap:10px;flex-wrap:wrap}
.group-actions .btn-brand,.group-actions .btn-line{flex:1 1 0;min-width:120px;padding:11px 12px}
.group-foot{margin-top:14px;font-size:12px;color:var(--muted);line-height:1.65}

/* generic cards */
.mj-card{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;height:100%;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mj-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe2dc}
.card-ico{
  width:42px;height:42px;border-radius:11px;background:var(--brand-light);
  display:grid;place-items:center;margin-bottom:14px;color:var(--brand);
}
.card-ico svg{width:21px;height:21px}
.mj-card h3{font-size:16.5px;margin-bottom:9px}
.mj-card p{font-size:14px;color:var(--ink-soft);line-height:1.78}
.tag{
  display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--brand-light);color:var(--brand-dark);margin-bottom:10px;
}
.tag-gold{background:var(--accent-light);color:#8a5f22}
.card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}

/* entry matrix */
.entry-card{
  display:block;background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;height:100%;box-shadow:var(--shadow-sm);color:var(--ink);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe2dc;color:var(--ink)}
.entry-thumb{aspect-ratio:16/9;overflow:hidden;background:#e9efed}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.entry-card:hover .entry-thumb img{transform:scale(1.04)}
.entry-body{padding:20px 20px 22px}
.entry-body h3{font-size:17px;margin-bottom:9px}
.entry-body p{font-size:13.8px;color:var(--ink-soft);line-height:1.78;margin-bottom:14px}
.entry-more{font-size:13.5px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.entry-more::after{content:"→";transition:transform .2s ease}
.entry-card:hover .entry-more::after{transform:translateX(3px)}

/* post cards */
.post-card{
  display:flex;flex-direction:column;height:100%;background:var(--bg-alt);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);color:var(--ink);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe2dc;color:var(--ink)}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:#e9efed}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto}
.post-title{font-size:15.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-text{
  font-size:13.4px;color:var(--ink-soft);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-time{font-size:12.5px;color:var(--muted);margin-top:auto;font-variant-numeric:tabular-nums}
.empty-note{
  padding:28px;border:1px dashed #cbdcd6;border-radius:var(--radius);
  background:#fbfdfc;color:var(--muted);font-size:14px;text-align:center;
}

/* topic cards */
.topic-card{
  display:flex;gap:16px;align-items:flex-start;background:var(--bg-alt);
  border:1px solid var(--line);border-radius:var(--radius);padding:16px;height:100%;
  box-shadow:var(--shadow-sm);color:var(--ink);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfe2dc;color:var(--ink)}
.topic-thumb{width:96px;height:96px;flex:0 0 auto;border-radius:10px;overflow:hidden;background:#e9efed}
.topic-thumb img{width:100%;height:100%;object-fit:cover}
.topic-body h3{font-size:15px;line-height:1.5;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-body p{font-size:13px;color:var(--ink-soft);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* news list */
.news-item{
  display:flex;gap:16px;align-items:flex-start;padding:16px 18px;border-radius:var(--radius);
  background:var(--bg-alt);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  color:var(--ink);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfe2dc;color:var(--ink)}
.news-index{
  flex:0 0 auto;width:36px;height:36px;border-radius:10px;background:var(--brand-light);
  color:var(--brand-dark);display:grid;place-items:center;font-weight:800;font-size:13.5px;
  font-variant-numeric:tabular-nums;
}
.news-main h3{font-size:15px;line-height:1.5;margin-bottom:5px}
.news-main p{font-size:13.2px;color:var(--ink-soft);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;gap:12px;flex-wrap:wrap;font-size:12.2px;color:var(--muted);margin-top:8px}
.side-panel{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);height:100%;
}
.side-panel h3{font-size:15.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-panel h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--accent)}
.side-list li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:13.4px;color:var(--ink-soft)}
.side-list li:last-child{border-bottom:0}
.side-list b{color:var(--brand-dark);font-variant-numeric:tabular-nums}

/* stats */
.stat-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);padding:22px 20px;height:100%;
  transition:background .2s ease,transform .2s ease;
}
.stat-card:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.stat-num{font-size:32px;font-weight:800;color:#7fd8c6;line-height:1.1;font-variant-numeric:tabular-nums}
.stat-num small{font-size:15px;color:#a8c3bd;font-weight:700;margin-left:3px}
.stat-label{font-size:14px;font-weight:700;color:#fff;margin-top:8px}
.stat-desc{font-size:13px;color:#a8c3bd;line-height:1.7;margin-top:6px}

/* table */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:var(--bg-alt);box-shadow:var(--shadow-sm)}
.param-table{width:100%;border-collapse:collapse;min-width:640px}
.param-table caption{caption-side:top;text-align:left;padding:16px 18px 0;font-size:13px;color:var(--muted)}
.param-table th,.param-table td{padding:13px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}
.param-table thead th{background:#f0f6f4;color:var(--brand-dark);font-weight:700;font-size:13.5px;white-space:nowrap}
.param-table tbody tr:last-child td{border-bottom:0}
.param-table tbody tr:hover{background:#f8fbfa}
.param-table td b{color:var(--brand-dark)}

/* steps */
.step{
  position:relative;background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px 22px;height:100%;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe2dc}
.step-num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:var(--accent-light);color:#8a5f22;font-weight:800;font-size:14px;margin-bottom:12px;
}
.step h3{font-size:15.5px;margin-bottom:8px}
.step p{font-size:13.6px;color:var(--ink-soft);line-height:1.78}

/* compare */
.compare-col{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;height:100%;box-shadow:var(--shadow-sm);
}
.compare-col h3{font-size:15.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.compare-col h3 i{width:8px;height:8px;border-radius:50%;background:var(--muted);display:inline-block}
.compare-col.is-ours{border-color:#bfe0d7;background:#f7fcfb}
.compare-col.is-ours h3 i{background:var(--brand)}
.compare-item{padding:11px 0;border-bottom:1px dashed var(--line);font-size:13.6px;color:var(--ink-soft);line-height:1.75}
.compare-item:last-child{border-bottom:0}
.compare-item b{display:block;color:var(--ink);font-size:14px;margin-bottom:3px}

/* quotes */
.quote{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;height:100%;box-shadow:var(--shadow-sm);position:relative;
  transition:transform .2s ease,box-shadow .2s ease;
}
.quote:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.quote p{font-size:14px;color:var(--ink-soft);line-height:1.8;margin-bottom:14px}
.quote-who{display:flex;align-items:center;gap:10px}
.quote-avatar{
  width:34px;height:34px;border-radius:50%;background:var(--brand-light);color:var(--brand-dark);
  display:grid;place-items:center;font-weight:800;font-size:13.5px;flex:0 0 auto;
}
.quote-name{font-size:13.5px;font-weight:700;color:var(--ink)}
.quote-role{font-size:12.2px;color:var(--muted)}

/* timeline */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--brand),#cfe6e0)}
.tl-item{position:relative;padding-bottom:22px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-24px;top:6px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.tl-when{font-size:12.5px;font-weight:700;color:var(--accent);letter-spacing:.04em;margin-bottom:4px}
.tl-item h3{font-size:15px;margin-bottom:5px}
.tl-item p{font-size:13.5px;color:var(--ink-soft);line-height:1.75}

/* assure */
.assure-item{
  display:flex;gap:14px;align-items:flex-start;background:var(--bg-alt);
  border:1px solid var(--line);border-radius:var(--radius);padding:20px;height:100%;
  box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.assure-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfe2dc}
.assure-ico{
  width:38px;height:38px;flex:0 0 auto;border-radius:10px;background:var(--brand-light);
  display:grid;place-items:center;color:var(--brand);
}
.assure-ico svg{width:19px;height:19px}
.assure-item h3{font-size:14.8px;margin-bottom:6px}
.assure-item p{font-size:13.3px;color:var(--ink-soft);line-height:1.75}

/* contact */
.contact-band{
  background:linear-gradient(115deg,#0d2b26 0%,#10453c 62%,#146055 100%);
  border-radius:var(--radius-lg);padding:40px 34px;color:#d9e7e3;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.contact-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(127,216,198,.24),transparent 70%);
}
.contact-band h2{color:#fff;font-size:clamp(20px,2.2vw,26px);margin-bottom:12px}
.contact-band p{color:#b5cec8;font-size:14.5px;line-height:1.85;max-width:760px}
.contact-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px;position:relative;z-index:1}
.contact-meta{display:flex;gap:22px;flex-wrap:wrap;margin-top:22px;font-size:13px;color:#93b4ad;position:relative;z-index:1}
.contact-meta span{display:inline-flex;align-items:center;gap:7px}
.contact-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:#7fd8c6}

/* footer */
.site-footer{background:#0b241f;color:#9dbab3;padding:52px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff}
.footer-brand .brand-mark{background:linear-gradient(140deg,#12887a,#0f6b5c)}
.footer-about{font-size:13.4px;line-height:1.8;color:#93b4ad;max-width:320px}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.footer-col li{margin-bottom:9px}
.footer-col a,.footer-col span{font-size:13.4px;color:#9dbab3;transition:color .2s ease}
.footer-col a:hover{color:#7fd8c6}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0 22px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.6px;color:#7d9a94;
}
.footer-bottom .copy strong{color:#bcd6d0;font-weight:700}

@media (max-width:1024px){
  .sec{padding:52px 0}
  .hero{padding:56px 0 60px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:768px){
  body{font-size:15px}
  .header-inner{height:60px}
  .hero{padding:46px 0 52px}
  .hero-lead{font-size:14.6px}
  .group-card{padding:20px 18px;margin-top:6px}
  .sec{padding:44px 0}
  .sec-head{margin-bottom:26px}
  .contact-band{padding:30px 22px}
  .footer-grid{grid-template-columns:1fr;gap:24px;padding-bottom:26px}
  .topic-card{flex-direction:row}
  .news-item{padding:14px}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .hero h1{font-size:25px}
  .group-actions .btn-brand,.group-actions .btn-line{flex:1 1 100%}
  .topic-card{flex-direction:column}
  .topic-thumb{width:100%;height:132px}
  .btn-brand,.btn-line,.btn-ghost{width:100%}
  .header-cta .btn-brand{width:auto}
  .contact-actions .btn-brand,.contact-actions .btn-ghost{width:100%}
}

/* roulang page: article */
:root{
 --brand:#0f6b5c;
 --brand-dark:#0a5247;
 --brand-light:#e8f3f0;
 --accent:#c1873c;
 --accent-light:#f7efe1;
 --ink:#13211f;
 --ink-soft:#46564f;
 --muted:#798a84;
 --bg:#f5f8f7;
 --bg-alt:#ffffff;
 --line:#e3eae7;
 --radius-sm:8px;
 --radius:12px;
 --radius-lg:18px;
 --shadow-sm:0 1px 2px rgba(19,33,31,.05),0 4px 14px rgba(19,33,31,.05);
 --shadow-md:0 8px 26px rgba(19,33,31,.09);
 --shadow-lg:0 18px 44px rgba(19,33,31,.16);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
 font-size:15.5px;
 line-height:1.78;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0 0 12px;font-weight:800;letter-spacing:-.01em;color:var(--ink);line-height:1.32}
p{margin:0 0 14px}
ul,ol{margin:0 0 16px;padding-left:20px}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid rgba(15,107,92,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--max);padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto}
/* header */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.95);
 backdrop-filter:saturate(180%) blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(19,33,31,.1)}
.header-inner{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
 width:34px;height:34px;border-radius:10px;flex:0 0 auto;
 background:linear-gradient(140deg,var(--brand),#15907e);
 color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;
 box-shadow:0 4px 12px rgba(15,107,92,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-name{font-weight:800;font-size:15.5px;letter-spacing:-.01em}
.brand-sub{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.main-nav .nav-link{
 position:relative;display:inline-flex;align-items:center;height:38px;
 padding:0 13px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-soft);
 transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.main-nav .nav-link:hover{background:var(--brand-light);color:var(--brand-dark)}
.main-nav .nav-link.active{color:var(--brand);background:var(--brand-light)}
.main-nav .nav-link.active::after{
 content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;border-radius:2px;background:var(--brand);
}
.header-cta{margin-left:14px}
.btn-brand,.btn-ghost,.btn-line{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:10px;font-weight:700;font-size:14.5px;line-height:1.2;
 padding:11px 22px;border:1px solid transparent;cursor:pointer;
 transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-brand{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 6px 16px rgba(15,107,92,.22)}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,107,92,.3)}
.btn-line{background:transparent;color:var(--brand);border-color:rgba(15,107,92,.45)}
.btn-line:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-1px)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:9px}
.nav-toggle{
 margin-left:auto;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
 background:#fff;display:grid;place-items:center;gap:4px;padding:0 10px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-nav{border-top:1px solid var(--line);background:#fff;padding:10px 0 18px}
.mobile-nav .container{display:flex;flex-direction:column;gap:4px}
.mobile-nav .nav-link{display:block;padding:11px 12px;border-radius:9px;font-weight:600;color:var(--ink-soft)}
.mobile-nav .nav-link:hover,.mobile-nav .nav-link.active{background:var(--brand-light);color:var(--brand-dark)}
.mobile-nav .btn-brand{margin-top:10px}
/* article hero */
.article-hero{
 position:relative;color:#fff;padding:52px 0 58px;overflow:hidden;
 background-image:url('/assets/images/backpic/back-2.webp');
 background-size:cover;background-position:center;
}
.article-hero::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(112deg,rgba(7,28,24,.96) 0%,rgba(9,44,38,.9) 52%,rgba(9,44,38,.62) 100%);
}
.article-hero .container{position:relative;z-index:1}
.a-badge{
 display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
 background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.26);
 font-size:12.5px;font-weight:700;letter-spacing:.03em;color:#c9efe6;margin-bottom:16px;
}
.a-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:#7fd8c6;box-shadow:0 0 0 3px rgba(127,216,198,.22)}
.article-hero h1{font-size:clamp(25px,3.1vw,38px);line-height:1.3;color:#fff;margin-bottom:14px}
.a-lead{color:#c3dcd6;font-size:15px;line-height:1.85;max-width:680px;margin-bottom:20px}
.a-meta{display:flex;flex-wrap:wrap;gap:10px}
.a-meta span{
 display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;
 font-size:12.5px;font-weight:600;color:#dcf1eb;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
}
.a-cover{
 margin:0;border-radius:var(--radius-lg);overflow:hidden;
 box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.35);
 background:#0b2b25;aspect-ratio:16/10;
}
.a-cover img{width:100%;height:100%;object-fit:cover}
/* sections */
.sec{padding:56px 0}
.sec-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-tint{background:linear-gradient(180deg,#f0f6f4 0%,var(--bg) 100%)}
.sec-head{max-width:760px;margin-bottom:28px}
.sec-kicker{
 display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.12em;
 color:var(--brand);text-transform:uppercase;margin-bottom:8px;
}
.sec-kicker::after{content:"";display:block;width:38px;height:3px;border-radius:3px;background:var(--accent);margin-top:8px}
.sec-title{font-size:clamp(21px,2.3vw,28px);margin-bottom:10px}
.sec-desc{color:var(--ink-soft);font-size:14.8px;margin:0}
/* article body */
.body-wrap{
 background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:34px 34px 30px;box-shadow:var(--shadow-sm);
}
.article-body{font-size:15.6px;line-height:1.85;color:var(--ink-soft)}
.article-body h2{
 font-size:21px;color:var(--ink);margin:34px 0 14px;padding-left:14px;position:relative;
}
.article-body h2::before{
 content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
 background:linear-gradient(180deg,var(--brand),#3ba393);
}
.article-body h3{font-size:17.5px;color:var(--ink);margin:26px 0 10px}
.article-body h4{font-size:16px;color:var(--ink);margin:20px 0 8px}
.article-body p{margin:0 0 16px}
.article-body strong{color:var(--brand-dark);font-weight:800}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin-bottom:8px}
.article-body a{color:var(--brand);font-weight:600;border-bottom:1px solid rgba(15,107,92,.3)}
.article-body a:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark)}
.article-body img{border-radius:var(--radius);box-shadow:var(--shadow-sm);margin:22px 0}
.article-body blockquote{
 margin:22px 0;padding:16px 20px;border-left:4px solid var(--accent);
 background:var(--accent-light);border-radius:0 var(--radius) var(--radius) 0;color:var(--ink);
 font-size:15px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{margin:22px 0;font-size:14.5px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:var(--brand-light);color:var(--brand-dark);font-weight:800}
.article-body tr:last-child td{border-bottom:0}
.article-body code{
 background:#eef4f2;color:var(--brand-dark);padding:2px 7px;border-radius:6px;
 font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13.5px;
}
.empty-box{text-align:center;padding:44px 20px}
.empty-box h2{font-size:21px;margin-bottom:12px}
.empty-box p{color:var(--muted);margin-bottom:22px}
/* cards */
.mj-card{
 background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;height:100%;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mj-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe2dc}
.card-ico{
 width:42px;height:42px;border-radius:11px;background:var(--brand-light);
 display:grid;place-items:center;margin-bottom:14px;color:var(--brand);
}
.card-ico svg{width:21px;height:21px}
.mj-card h3{font-size:16.5px;margin-bottom:8px}
.mj-card p{font-size:14.4px;color:var(--ink-soft);margin-bottom:12px}
.card-list{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.card-list li{
 font-size:12.5px;font-weight:700;color:var(--brand-dark);
 background:var(--brand-light);border-radius:999px;padding:4px 11px;
}
/* figure panel */
.panel-split{
 background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-sm);
}
.panel-figure{margin:0;height:100%;min-height:280px;background:#e5efec}
.panel-figure img{width:100%;height:100%;object-fit:cover}
.panel-body{padding:30px 30px}
.panel-body h3{font-size:20px;margin-bottom:10px}
.panel-body p{color:var(--ink-soft);font-size:14.8px}
.check-list{list-style:none;padding:0;margin:16px 0 0}
.check-list li{position:relative;padding-left:26px;margin-bottom:10px;font-size:14.6px;color:var(--ink-soft)}
.check-list li::before{
 content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border-radius:4px;
 background:var(--brand-light);border:2px solid var(--brand);
}
/* compare table */
.compare{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.compare table{margin:0;font-size:14.5px}
.compare thead th{background:var(--brand);color:#fff;font-weight:700;border:0;padding:14px 16px}
.compare tbody td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--ink-soft);vertical-align:top}
.compare tbody tr:last-child td{border-bottom:0}
.compare tbody tr:hover td{background:#f7fbfa}
.compare td:first-child{font-weight:800;color:var(--ink)}
/* faq */
.faq-item{
 background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 22px;margin-bottom:14px;box-shadow:var(--shadow-sm);
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#cfe2dc;box-shadow:var(--shadow-md)}
.faq-item h3{font-size:16px;margin-bottom:8px;color:var(--ink)}
.faq-item p{margin:0;font-size:14.5px;color:var(--ink-soft)}
/* reading list */
.read-card{
 display:flex;gap:16px;background:var(--bg-alt);border:1px solid var(--line);
 border-radius:var(--radius);padding:16px;height:100%;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.read-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfe2dc}
.read-thumb{width:96px;height:76px;flex:0 0 auto;border-radius:10px;overflow:hidden;background:#e5efec}
.read-thumb img{width:100%;height:100%;object-fit:cover}
.read-card h3{font-size:15px;margin-bottom:6px;line-height:1.5}
.read-card p{margin:0;font-size:13.4px;color:var(--muted)}
/* cta */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 background-image:url('/assets/images/backpic/back-5.webp');background-size:cover;background-position:center;
 padding:38px 32px;color:#fff;box-shadow:var(--shadow-md);
}
.cta-band::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(105deg,rgba(8,36,31,.95),rgba(11,60,52,.82));
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:clamp(20px,2.2vw,26px);margin-bottom:10px}
.cta-band p{color:#c3dcd6;font-size:14.8px;max-width:620px;margin-bottom:20px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* footer */
.site-footer{background:#0d221e;color:#a9c2bb;padding:52px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px;font-size:16px}
.footer-brand .brand-name{font-weight:800;font-size:15.5px}
.footer-about{font-size:13.8px;line-height:1.8;color:#8fada5;margin:0;max-width:300px}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:14px;font-weight:800}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:9px;font-size:13.6px;color:#8fada5}
.footer-col a{color:#a9c2bb;font-size:13.6px;transition:color .2s ease}
.footer-col a:hover{color:#7fd8c6}
.footer-bottom{
 display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
 border-top:1px solid rgba(255,255,255,.1);padding:18px 0 22px;
 font-size:12.8px;color:#7f9c95;
}
.footer-bottom strong{color:#c9efe6}
@media (max-width:1024px){
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
 .panel-body{padding:26px 22px}
 .body-wrap{padding:26px 22px}
}
@media (max-width:768px){
 .container{padding-left:16px;padding-right:16px}
 .sec{padding:42px 0}
 .article-hero{padding:38px 0 44px}
 .a-cover{margin-top:6px;aspect-ratio:16/9}
 .body-wrap{padding:22px 18px;border-radius:var(--radius)}
 .article-body{font-size:15px}
 .article-body h2{font-size:19px}
 .cta-band{padding:28px 22px}
 .panel-figure{min-height:220px}
 .compare{overflow-x:auto}
 .compare table{min-width:560px}
}
@media (max-width:520px){
 .footer-grid{grid-template-columns:1fr;gap:22px}
 .footer-bottom{flex-direction:column;align-items:flex-start}
 .btn-brand,.btn-line,.btn-ghost{width:100%}
 .cta-actions{gap:10px}
 .read-card{flex-direction:row}
 .read-thumb{width:82px;height:68px}
}

/* roulang page: category1 */
:root{
 --brand:#0f6b5c;
 --brand-dark:#0a5247;
 --brand-light:#e8f3f0;
 --accent:#c1873c;
 --accent-light:#f7efe1;
 --ink:#13211f;
 --ink-soft:#46564f;
 --muted:#798a84;
 --bg:#f5f8f7;
 --bg-alt:#ffffff;
 --line:#e3eae7;
 --radius-sm:8px;
 --radius:12px;
 --radius-lg:18px;
 --shadow-sm:0 1px 2px rgba(19,33,31,.05),0 4px 14px rgba(19,33,31,.05);
 --shadow-md:0 8px 26px rgba(19,33,31,.09);
 --shadow-lg:0 18px 44px rgba(19,33,31,.16);
 --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
 font-size:15.5px;
 line-height:1.78;
 color:var(--ink);
 background:var(--bg);
 padding-bottom:78px;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:800}
p{margin:0 0 12px}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto}

/* header */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.96);
 backdrop-filter:saturate(180%) blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(19,33,31,.1)}
.header-inner{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
 width:34px;height:34px;border-radius:10px;flex:0 0 auto;
 background:linear-gradient(140deg,var(--brand),#15907e);
 color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;
 box-shadow:0 4px 12px rgba(15,107,92,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-name{font-weight:800;font-size:15.5px;letter-spacing:-.01em}
.brand-sub{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.main-nav .nav-link{
 position:relative;display:inline-flex;align-items:center;height:38px;
 padding:0 13px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-soft);
 transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.main-nav .nav-link:hover{background:var(--brand-light);color:var(--brand-dark)}
.main-nav .nav-link.active{color:var(--brand);background:var(--brand-light)}
.main-nav .nav-link.active::after{
 content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;border-radius:2px;background:var(--brand);
}
.header-cta{margin-left:14px}
.btn-brand,.btn-ghost,.btn-line{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:10px;font-weight:700;font-size:14.5px;line-height:1.2;
 padding:12px 22px;border:1px solid transparent;cursor:pointer;text-align:center;
 transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-brand{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 6px 16px rgba(15,107,92,.22)}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,107,92,.3)}
.btn-line{background:transparent;color:var(--brand);border-color:rgba(15,107,92,.45)}
.btn-line:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-1px)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-1px)}
.btn-sm{padding:10px 18px;font-size:13.5px;border-radius:9px}
.nav-toggle{
 margin-left:auto;width:44px;height:42px;border-radius:10px;border:1px solid var(--line);
 background:#fff;display:grid;place-items:center;gap:4px;padding:0 11px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease}
.mobile-nav{border-top:1px solid var(--line);background:#fff;padding:12px 0 18px}
.mobile-nav .container{display:flex;flex-direction:column;gap:6px}
.mobile-nav a.nav-link{
 display:flex;align-items:center;min-height:44px;padding:10px 12px;border-radius:10px;
 font-size:14.5px;font-weight:600;color:var(--ink-soft);
}
.mobile-nav a.nav-link:hover{background:var(--brand-light);color:var(--brand-dark)}
.mobile-nav a.nav-link.active{background:var(--brand-light);color:var(--brand)}
.mobile-nav .btn-brand{margin-top:8px}

/* hero */
.hero{
 position:relative;color:#fff;padding:72px 0 66px;overflow:hidden;
 background-image:url('/assets/images/backpic/back-2.webp');
 background-size:cover;background-position:center;
}
.hero::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(140deg,rgba(7,28,24,.97) 0%,rgba(9,44,38,.92) 52%,rgba(9,44,38,.68) 100%);
}
.hero .container{position:relative;z-index:1}
.hero-center{text-align:center}
.hero-eyebrow{
 display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
 background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.24);
 font-size:12.5px;font-weight:600;letter-spacing:.04em;color:#c9efe6;margin-bottom:18px;
}
.hero-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:#7fd8c6;box-shadow:0 0 0 3px rgba(127,216,198,.22)}
.hero h1{font-size:clamp(28px,3.6vw,44px);line-height:1.22;color:#fff;margin-bottom:16px}
.hero-lead{color:#c3dcd6;font-size:15.5px;line-height:1.85;max-width:760px;margin:0 auto 26px}
.hero-search{
 display:flex;gap:10px;max-width:620px;margin:0 auto 16px;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);
 border-radius:14px;padding:8px;
}
.hero-search-input{
 flex:1 1 auto;min-width:0;border:0;background:transparent;color:#fff;
 font-size:15px;padding:10px 12px;border-radius:10px;
}
.hero-search-input::placeholder{color:#9dc2ba}
.hero-search-input:focus{outline:none;background:rgba(255,255,255,.1)}
.hero-search .btn-brand{background:#7fd8c6;border-color:#7fd8c6;color:#08322b;box-shadow:none;flex:0 0 auto}
.hero-search .btn-brand:hover{background:#9be3d4;border-color:#9be3d4;color:#08322b}
.search-hint{margin:0 auto 14px;font-size:13.5px;color:#f0cfa3;max-width:620px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:6px}
.hero-chips span{
 padding:7px 15px;border-radius:999px;font-size:13px;font-weight:600;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);color:#dcf1eb;
}
.hero-stats{
 display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:760px;margin:32px auto 0;
}
.hero-stat{
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
 border-radius:var(--radius);padding:14px 12px;
}
.hero-stat b{display:block;font-size:20px;color:#fff;line-height:1.3}
.hero-stat span{font-size:12.5px;color:#a9c9c2}

/* sections */
.section{padding:76px 0;background:var(--bg-alt);border-bottom:1px solid var(--line)}
.section.alt{background:var(--bg)}
.section.dark{background:#0c2b26;border-bottom:0;color:#d5e8e3}
.section:last-of-type{border-bottom:0}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-kicker{
 display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.08em;
 color:var(--brand);background:var(--brand-light);border-radius:999px;padding:5px 13px;margin-bottom:14px;
}
.section.dark .sec-kicker{background:rgba(127,216,198,.14);color:#9be3d4}
.sec-title{font-size:clamp(22px,2.4vw,30px);line-height:1.32;margin-bottom:12px}
.sec-sub{color:var(--ink-soft);font-size:15px;margin:0}
.section.dark .sec-sub{color:#a9c9c2}
.sec-line{width:44px;height:3px;border-radius:3px;background:var(--accent);margin-bottom:16px}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.mj-card{
 background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;height:100%;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.section.alt .mj-card{background:#fff}
.section.dark .mj-card{background:#123832;border-color:rgba(127,216,198,.18);color:#d5e8e3}
.mj-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe2dc}
.card-ico{
 width:44px;height:44px;border-radius:12px;background:var(--brand-light);
 display:grid;place-items:center;margin-bottom:16px;color:var(--brand);
}
.section.dark .card-ico{background:rgba(127,216,198,.14);color:#9be3d4}
.card-ico svg{width:22px;height:22px}
.mj-card h3{font-size:17px;line-height:1.45;margin-bottom:10px}
.mj-card p{color:var(--ink-soft);font-size:14.5px;margin:0}
.section.dark .mj-card p{color:#a9c9c2}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
 display:inline-block;font-size:12.5px;font-weight:600;color:var(--brand-dark);
 background:var(--brand-light);border-radius:999px;padding:4px 12px;
}
.tag-accent{background:var(--accent-light);color:#8a5c1f}

/* split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.split-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line)}
.split-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-figure figcaption{
 position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
 background:linear-gradient(180deg,rgba(7,28,24,0) 0%,rgba(7,28,24,.82) 100%);
 color:#e6f4f0;font-size:13px;line-height:1.6;
}
.step-list{counter-reset:step;display:flex;flex-direction:column;gap:16px}
.step-item{
 position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 22px 20px 66px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfe2dc}
.step-item::before{
 counter-increment:step;content:counter(step);
 position:absolute;left:20px;top:20px;width:32px;height:32px;border-radius:10px;
 background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;
 box-shadow:0 4px 12px rgba(15,107,92,.26);
}
.step-item h3{font-size:16px;margin-bottom:6px}
.step-item p{color:var(--ink-soft);font-size:14.5px;margin:0}

/* data table */
.data-table{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow-sm)}
.data-head,.data-row{display:grid;grid-template-columns:.8fr 1.05fr 1.5fr;gap:16px;padding:16px 22px;align-items:center}
.data-head{
 background:#0f3b34;color:#d9efea;font-size:13px;font-weight:700;letter-spacing:.04em;
}
.data-row{border-top:1px solid var(--line);transition:background .2s ease}
.data-row:hover{background:var(--brand-light)}
.data-key{font-weight:700;font-size:14.5px}
.data-val{font-size:14px;color:var(--brand-dark);font-weight:600}
.data-effect{font-size:14px;color:var(--ink-soft)}
.data-note{margin-top:14px;font-size:13.5px;color:var(--muted)}

/* voice */
.voice-card{
 background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);
 border-radius:var(--radius);padding:24px 22px;height:100%;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease;
}
.voice-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.voice-quote{font-size:15px;color:var(--ink);margin-bottom:14px;line-height:1.8}
.voice-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.voice-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto}

/* compare */
.compare-col{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;height:100%;box-shadow:var(--shadow-sm)}
.compare-col.us{border-color:#cfe2dc;box-shadow:var(--shadow-md)}
.compare-title{display:flex;align-items:center;gap:10px;font-size:16px;margin-bottom:16px}
.compare-badge{font-size:12px;font-weight:700;padding:4px 11px;border-radius:999px;background:#eef2f0;color:var(--muted)}
.compare-col.us .compare-badge{background:var(--brand-light);color:var(--brand-dark)}
.compare-list li{
 position:relative;padding:12px 0 12px 26px;border-top:1px solid var(--line);
 font-size:14.5px;color:var(--ink-soft);line-height:1.75;
}
.compare-list li:first-child{border-top:0;padding-top:0}
.compare-list li::before{
 content:"";position:absolute;left:0;top:20px;width:9px;height:9px;border-radius:3px;background:#cfd9d5;
}
.compare-list li:first-child::before{top:8px}
.compare-col.us .compare-list li::before{background:var(--brand)}
.compare-col.us .compare-list li{color:var(--ink)}

/* review cards */
.review-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
 box-shadow:var(--shadow-sm);height:100%;display:flex;flex-direction:column;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe2dc}
.review-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.review-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.review-body h3{font-size:16.5px;line-height:1.5}
.review-body p{font-size:14.5px;color:var(--ink-soft);margin:0;flex:1 1 auto}
.review-meta{font-size:12.5px;color:var(--muted);display:flex;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding-top:10px}

/* faq */
.faq-wrap{max-width:880px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#cfe2dc;box-shadow:var(--shadow-sm)}
.faq-item summary{
 cursor:pointer;list-style:none;padding:18px 54px 18px 22px;position:relative;
 font-weight:700;font-size:15.5px;color:var(--ink);transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"";position:absolute;right:22px;top:50%;width:10px;height:10px;
 border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
 transform:translateY(-70%) rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item summary:hover{color:var(--brand)}
.faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--ink-soft);line-height:1.85}

/* assure */
.assure-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:28px}
.assure-item{
 background:rgba(255,255,255,.06);border:1px solid rgba(127,216,198,.2);
 border-radius:var(--radius);padding:22px 20px;
}
.assure-item h3{font-size:16px;color:#fff;margin-bottom:8px}
.assure-item p{margin:0;font-size:14px;color:#a9c9c2}
.assure-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.assure-cta .btn-brand{background:#7fd8c6;border-color:#7fd8c6;color:#08322b}
.assure-cta .btn-brand:hover{background:#9be3d4;border-color:#9be3d4;color:#08322b}
.assure-cta .btn-ghost{border-color:rgba(255,255,255,.45)}

/* sticky cta */
.sticky-cta{
 position:fixed;left:0;right:0;bottom:0;z-index:1040;
 background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
 border-top:1px solid var(--line);box-shadow:0 -8px 26px rgba(19,33,31,.1);
}
.sticky-inner{display:flex;align-items:center;gap:16px;padding:12px 0}
.sticky-text{display:flex;flex-direction:column;line-height:1.4;min-width:0}
.sticky-text strong{font-size:14.5px}
.sticky-text span{font-size:12.5px;color:var(--muted)}
.sticky-inner .btn-brand{margin-left:auto;flex:0 0 auto}

/* footer */
.site-footer{background:#0c2b26;color:#c3dcd6;padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:linear-gradient(140deg,#7fd8c6,#0f6b5c);box-shadow:none}
.footer-brand .brand-name{font-weight:800;font-size:15.5px}
.footer-about{font-size:14px;color:#9fbfb8;line-height:1.8;margin:0;max-width:320px}
.footer-col h3{font-size:13.5px;color:#fff;margin-bottom:14px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col a{color:#9fbfb8;font-size:14px}
.footer-col a:hover{color:#7fd8c6}
.footer-col span{color:#8fb0a9;font-size:13.5px;line-height:1.7}
.footer-bottom{
 margin-top:34px;padding-top:18px;border-top:1px solid rgba(127,216,198,.16);
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
 font-size:13px;color:#8fb0a9;
}
.footer-bottom .copy strong{color:#d5e8e3}

/* responsive */
@media (max-width:1024px){
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .split{grid-template-columns:1fr;gap:30px}
 .footer-grid{grid-template-columns:1fr 1fr}
 .hero{padding:60px 0 54px}
 .section{padding:62px 0}
 .data-head,.data-row{grid-template-columns:.9fr 1fr 1.3fr;padding:14px 18px}
 .assure-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
 .grid-3,.grid-2{grid-template-columns:1fr}
 .hero h1{font-size:26px}
 .hero-lead{font-size:14.5px}
 .hero-stats{grid-template-columns:1fr;gap:10px}
 .hero-search{flex-direction:column;padding:10px}
 .hero-search .btn-brand{width:100%}
 .data-head{display:none}
 .data-row{grid-template-columns:1fr;gap:4px;padding:16px 18px}
 .data-row .data-key{font-size:15px}
 .compare-col{padding:22px 18px}
 .assure-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .sticky-inner{padding:10px 0;gap:10px}
 .sticky-text span{display:none}
 .sticky-inner .btn-brand{font-size:13.5px;padding:11px 16px}
 body{padding-bottom:74px}
}
@media (max-width:520px){
 .header-inner{height:60px;gap:10px}
 .brand-name{font-size:14px}
 .brand-sub{font-size:10px}
 .hero{padding:48px 0 44px}
 .hero-eyebrow{font-size:11.5px}
 .hero-chips span{font-size:12px;padding:6px 12px}
 .step-item{padding:18px 18px 18px 58px}
 .step-item::before{left:16px;top:18px;width:30px;height:30px}
 .sec-title{font-size:21px}
 .footer-bottom{flex-direction:column}
}

/* roulang page: category2 */
:root{
  --brand:#0f6b5c;
  --brand-dark:#0a5247;
  --brand-light:#e8f3f0;
  --accent:#c1873c;
  --accent-light:#f7efe1;
  --ink:#13211f;
  --ink-soft:#46564f;
  --muted:#798a84;
  --bg:#f5f8f7;
  --bg-alt:#ffffff;
  --line:#e3eae7;
  --deep:#0b1f1c;
  --deep-2:#103029;
  --gold-soft:#e3c088;
  --radius-sm:8px;
  --radius:12px;
  --radius-lg:18px;
  --shadow-sm:0 1px 2px rgba(19,33,31,.05),0 4px 14px rgba(19,33,31,.05);
  --shadow-md:0 8px 26px rgba(19,33,31,.09);
  --shadow-lg:0 18px 44px rgba(19,33,31,.16);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:15.5px;
  line-height:1.78;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(15,107,92,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--max);padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(19,33,31,.1)}
.header-inner{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--brand),#15907e);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;
  box-shadow:0 4px 12px rgba(15,107,92,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-name{font-weight:800;font-size:15.5px;letter-spacing:-.01em;white-space:nowrap}
.brand-sub{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.main-nav .nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;
  padding:0 13px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-soft);
  transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.main-nav .nav-link:hover{background:var(--brand-light);color:var(--brand-dark)}
.main-nav .nav-link.active{color:var(--brand);background:var(--brand-light)}
.main-nav .nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;border-radius:2px;background:var(--brand);
}
.header-cta{margin-left:14px;display:flex;align-items:center}
.btn-brand,.btn-line,.btn-gold,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;font-weight:700;font-size:14.5px;line-height:1.2;
  padding:11px 22px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-brand{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 6px 16px rgba(15,107,92,.22)}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,107,92,.3)}
.btn-line{background:transparent;color:var(--brand);border-color:rgba(15,107,92,.45)}
.btn-line:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-1px)}
.btn-gold{background:linear-gradient(150deg,#d9a860,var(--accent));color:#231a0c;border-color:rgba(255,255,255,.28);box-shadow:0 8px 22px rgba(193,135,60,.32)}
.btn-gold:hover{color:#1a1308;transform:translateY(-1px);box-shadow:0 12px 28px rgba(193,135,60,.44)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.42)}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:9px}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;gap:4px;padding:0 11px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-nav{border-top:1px solid var(--line);background:#fff;padding:10px 0 18px}
.mobile-nav .container{display:flex;flex-direction:column;gap:4px}
.mobile-nav .nav-link{
  display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:9px;
  font-size:15px;font-weight:600;color:var(--ink-soft);
}
.mobile-nav .nav-link.active{background:var(--brand-light);color:var(--brand-dark)}
.mobile-nav .btn-brand{margin-top:10px}

/* ===== hero ===== */
.hero{
  position:relative;color:#fff;overflow:hidden;padding:60px 0 66px;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 82% 18%,rgba(193,135,60,.22),transparent 46%),
    linear-gradient(112deg,rgba(6,20,18,.97) 0%,rgba(9,38,33,.93) 48%,rgba(10,44,38,.74) 100%);
}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:44px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(227,192,136,.14);border:1px solid rgba(227,192,136,.46);
  font-size:12.5px;font-weight:700;letter-spacing:.05em;color:var(--gold-soft);margin-bottom:18px;
}
.hero-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold-soft);box-shadow:0 0 0 3px rgba(227,192,136,.2)}
.hero h1{font-size:clamp(26px,3.4vw,42px);line-height:1.24;color:#fff;margin-bottom:16px}
.hero h1 em{display:block;font-style:normal;color:#f2dcb6;margin-top:6px}
.hero-lead{color:#c2dbd4;font-size:15.5px;line-height:1.85;max-width:620px;margin-bottom:22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.hero-tags .pill{
  padding:7px 15px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.22);color:#dcf1eb;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.rank-card{
  background:linear-gradient(160deg,rgba(22,44,38,.98),rgba(9,26,23,.98));
  border:1px solid rgba(227,192,136,.38);
  border-radius:var(--radius-lg);
  padding:24px 22px 22px;
  box-shadow:0 24px 60px rgba(0,0,0,.42);
}
.rank-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.rank-badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:linear-gradient(140deg,#e6c68c,var(--accent));color:#26190a;
  font-size:12px;font-weight:800;letter-spacing:.04em;
  box-shadow:0 6px 16px rgba(193,135,60,.34);
}
.rank-code{font-size:11.5px;font-weight:600;letter-spacing:.08em;color:rgba(227,192,136,.72)}
.rank-card h2{color:#fff;font-size:18px;margin-bottom:14px}
.rank-list{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.rank-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:10px;border-bottom:1px dashed rgba(255,255,255,.14);
  font-size:13.5px;color:#a9c3bc;
}
.rank-list li:last-child{border-bottom:0;padding-bottom:0}
.rank-list strong{color:#f2dcb6;font-size:15px;font-weight:800;letter-spacing:.01em}
.rank-card .btn-gold{width:100%}

/* ===== sections ===== */
.section{padding:64px 0}
.section-alt{background:var(--bg-alt)}
.section-deep{background:linear-gradient(150deg,var(--deep) 0%,var(--deep-2) 100%);color:#d7e6e1}
.sec-head{max-width:720px;margin-bottom:34px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:.1em;color:var(--accent);text-transform:uppercase;margin-bottom:10px}
.sec-kicker::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--accent)}
.sec-title{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px}
.sec-desc{color:var(--ink-soft);font-size:15px;line-height:1.82}
.section-deep .sec-title{color:#fff}
.section-deep .sec-desc{color:#a9c3bc}
.section-deep .sec-kicker{color:var(--gold-soft)}
.section-deep .sec-kicker::before{background:var(--gold-soft)}

/* stats */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stat-card{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 18px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfe2dc}
.stat-num{font-size:30px;font-weight:800;color:var(--brand);letter-spacing:-.02em;line-height:1.1}
.stat-num span{font-size:14px;font-weight:700;color:var(--muted);margin-left:4px}
.stat-label{font-size:13.5px;color:var(--ink-soft);margin-top:6px}

/* cards */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.mj-card{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;height:100%;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mj-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe2dc}
.card-ico{
  width:42px;height:42px;border-radius:11px;background:var(--brand-light);
  display:grid;place-items:center;margin-bottom:14px;color:var(--brand);
}
.card-ico svg{width:21px;height:21px}
.mj-card h3{font-size:17px;margin-bottom:10px}
.mj-card p{color:var(--ink-soft);font-size:14.5px;line-height:1.8}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:var(--brand-dark);
  background:var(--brand-light);border:1px solid rgba(15,107,92,.12);
}
.tag-gold{color:#7a5218;background:var(--accent-light);border-color:rgba(193,135,60,.24)}

/* table */
.table-wrap{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.calc-table{width:100%;border-collapse:collapse;font-size:14.5px}
.calc-table caption{caption-side:top;text-align:left;padding:18px 20px 6px;font-size:13px;color:var(--muted);font-weight:600}
.calc-table thead th{
  background:var(--brand-light);color:var(--brand-dark);
  font-size:13px;font-weight:800;letter-spacing:.04em;
  text-align:left;padding:13px 20px;border-bottom:1px solid rgba(15,107,92,.14);
  white-space:nowrap;
}
.calc-table tbody td{padding:14px 20px;border-bottom:1px solid var(--line);color:var(--ink-soft);vertical-align:middle}
.calc-table tbody tr:last-child td{border-bottom:0}
.calc-table tbody tr:hover td{background:#f8fbfa}
.calc-table td:first-child{color:var(--ink);font-weight:700}
.calc-table .num{font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.calc-table .note{font-size:13px;color:var(--muted)}

/* flow */
.flow-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:flow}
.flow-step{
  position:relative;background:var(--bg-alt);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 20px 22px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe2dc}
.flow-step::before{
  counter-increment:flow;content:"0" counter(flow);
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.08em;
  color:var(--accent);margin-bottom:12px;
}
.flow-step h3{font-size:16px;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--ink-soft);line-height:1.78}

/* scene */
.scene-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center}
.scene-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line)}
.scene-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s ease}
.scene-media:hover img{transform:scale(1.03)}
.scene-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
  background:linear-gradient(to top,rgba(6,22,19,.88),rgba(6,22,19,0));
  color:#e8f3f0;font-size:13px;font-weight:600;
}
.scene-list{display:flex;flex-direction:column;gap:14px;margin-top:20px}
.scene-item{
  display:flex;gap:14px;align-items:flex-start;padding:16px 18px;
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);transition:border-color .2s ease,transform .2s ease;
}
.scene-item:hover{border-color:#cfe2dc;transform:translateY(-2px)}
.scene-item .idx{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:var(--accent-light);color:#7a5218;font-size:13px;font-weight:800;
}
.scene-item h4{font-size:15px;margin-bottom:4px}
.scene-item p{font-size:13.8px;color:var(--ink-soft);line-height:1.76}
.formula{
  margin-top:18px;padding:16px 18px;border-radius:var(--radius);
  background:var(--brand-light);border:1px solid rgba(15,107,92,.16);
  font-size:14.5px;color:var(--brand-dark);font-weight:700;line-height:1.8;
}
.formula span{display:block;font-weight:600;color:var(--ink-soft);font-size:13.5px;margin-top:6px}

/* compare */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.compare-card{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);
}
.compare-card h3{font-size:17px;margin-bottom:6px}
.compare-card .sub{font-size:13px;color:var(--muted);margin-bottom:16px}
.compare-card dl{margin:0;display:flex;flex-direction:column;gap:12px}
.compare-row{display:grid;grid-template-columns:92px minmax(0,1fr);gap:12px;align-items:baseline;padding-bottom:12px;border-bottom:1px dashed var(--line)}
.compare-row:last-child{border-bottom:0;padding-bottom:0}
.compare-row dt{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.02em}
.compare-row dd{margin:0;font-size:14.2px;color:var(--ink-soft);line-height:1.78}

/* faq */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#cfe2dc;box-shadow:var(--shadow-md)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 52px 18px 22px;position:relative;
  font-size:15.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border-radius:7px;background:var(--brand-light);color:var(--brand);
  display:grid;place-items:center;font-size:16px;font-weight:800;line-height:1;
}
.faq-item[open] summary::after{content:"–";background:var(--accent-light);color:#7a5218}
.faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--ink-soft);line-height:1.85}

/* posts */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;box-shadow:var(--shadow-sm);color:var(--ink);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe2dc;color:var(--ink)}
.post-card .post-cat{
  display:inline-flex;align-self:flex-start;padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:700;color:var(--brand-dark);background:var(--brand-light);margin-bottom:12px;
}
.post-title{font-size:16px;line-height:1.55;margin-bottom:10px}
.post-excerpt{font-size:14px;color:var(--ink-soft);line-height:1.78;margin-bottom:16px}
.post-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--muted)}
.empty-list{
  padding:26px 22px;border-radius:var(--radius);border:1px dashed var(--line);
  background:var(--bg-alt);color:var(--muted);font-size:14px;
}
.preview-note{
  display:flex;gap:10px;align-items:center;padding:12px 16px;border-radius:var(--radius-sm);
  background:var(--accent-light);border:1px solid rgba(193,135,60,.24);
  color:#7a5218;font-size:13.5px;font-weight:600;margin-bottom:22px;
}

/* cta */
.cta-band{
  background:
    radial-gradient(circle at 88% 12%,rgba(193,135,60,.28),transparent 48%),
    linear-gradient(140deg,#0a1f1b,#103029 62%,#0d3a31);
  color:#d7e6e1;border-radius:var(--radius-lg);
  padding:40px 38px;border:1px solid rgba(227,192,136,.26);
  box-shadow:var(--shadow-lg);
  display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);
  gap:28px;align-items:center;
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.3vw,28px);margin-bottom:10px}
.cta-band p{color:#a9c3bc;font-size:14.8px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* assure */
.assure-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.assure-item{
  display:flex;gap:12px;align-items:flex-start;padding:20px 18px;
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
}
.assure-item svg{flex:0 0 auto;width:22px;height:22px;color:var(--brand);margin-top:2px}
.assure-item h3{font-size:15px;margin-bottom:5px}
.assure-item p{font-size:13.8px;color:var(--ink-soft);line-height:1.76}

/* footer */
.site-footer{background:var(--deep);color:#9fb8b2;padding:54px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,.8fr));gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:linear-gradient(140deg,var(--accent),#d9a860);box-shadow:0 4px 14px rgba(193,135,60,.34);color:#26190a}
.footer-brand .brand-name{color:#fff;font-size:15.5px;font-weight:800}
.footer-about{font-size:13.8px;line-height:1.85;color:#93aca6;max-width:330px}
.footer-col h3{font-size:13.5px;color:#fff;letter-spacing:.06em;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:13.8px;color:#93aca6;transition:color .2s ease}
.footer-col a:hover{color:#f2dcb6}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  font-size:12.8px;color:#7f9993;
}
.footer-bottom strong{color:#d7e6e1}

/* responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:32px 26px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  body{font-size:15px}
  .section{padding:48px 0}
  .hero{padding:44px 0 50px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .grid-3,.compare-grid,.flow-list,.post-grid,.assure-strip{grid-template-columns:1fr}
  .brand-sub{display:none}
  .brand-name{font-size:14.5px}
  .calc-table thead th,.calc-table tbody td{padding:12px 14px}
  .calc-table{font-size:13.8px}
  .compare-row{grid-template-columns:84px minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .hero h1{font-size:25px}
  .hero-actions .btn-brand,.hero-actions .btn-line{width:100%}
  .stat-grid{grid-template-columns:1fr}
  .rank-card{padding:20px 18px}
  .btn-brand,.btn-line,.btn-gold{padding:11px 18px;font-size:14px}
  .scene-item{flex-direction:row}
  .footer-bottom{font-size:12px}
}

/* roulang page: category3 */
:root{
 --brand:#0f6b5c;
 --brand-dark:#0a5247;
 --brand-light:#e8f3f0;
 --accent:#c1873c;
 --accent-light:#f7efe1;
 --ink:#13211f;
 --ink-soft:#46564f;
 --muted:#798a84;
 --bg:#f5f8f7;
 --bg-alt:#ffffff;
 --line:#e3eae7;
 --radius-sm:8px;
 --radius:12px;
 --radius-lg:18px;
 --shadow-sm:0 1px 2px rgba(19,33,31,.05),0 4px 14px rgba(19,33,31,.05);
 --shadow-md:0 8px 26px rgba(19,33,31,.09);
 --shadow-lg:0 18px 44px rgba(19,33,31,.16);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
 font-size:15.5px;
 line-height:1.78;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
p{margin:0 0 12px}
ul{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--max);padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto}

/* ============ header ============ */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.95);
 backdrop-filter:saturate(180%) blur(12px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(19,33,31,.1)}
.header-inner{display:flex;align-items:center;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
 width:34px;height:34px;border-radius:10px;flex:0 0 auto;
 background:linear-gradient(140deg,var(--brand),#15907e);
 color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;
 box-shadow:0 4px 12px rgba(15,107,92,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-name{font-weight:800;font-size:15.5px;letter-spacing:-.01em}
.brand-sub{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.06em}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.main-nav .nav-link{
 position:relative;display:inline-flex;align-items:center;height:38px;
 padding:0 13px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-soft);
 transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.main-nav .nav-link:hover{background:var(--brand-light);color:var(--brand-dark)}
.main-nav .nav-link.active{color:var(--brand);background:var(--brand-light)}
.main-nav .nav-link.active::after{
 content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;border-radius:2px;background:var(--brand);
}
.header-cta{margin-left:14px;display:flex;align-items:center}
.btn-brand,.btn-ghost,.btn-line{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:10px;font-weight:700;font-size:14.5px;line-height:1.2;
 padding:11px 22px;border:1px solid transparent;cursor:pointer;
 transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-brand{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 6px 16px rgba(15,107,92,.22)}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,107,92,.3)}
.btn-line{background:transparent;color:var(--brand);border-color:rgba(15,107,92,.45)}
.btn-line:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-1px)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:9px}
.nav-toggle{
 margin-left:auto;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
 background:#fff;display:grid;place-items:center;gap:4px;padding:0 10px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.mobile-nav{border-top:1px solid var(--line);background:#fff;padding:10px 0 18px}
.mobile-nav .container{display:flex;flex-direction:column;gap:4px}
.mobile-nav a.m-link{padding:11px 12px;border-radius:9px;font-weight:600;color:var(--ink-soft);font-size:14.5px}
.mobile-nav a.m-link:hover{background:var(--brand-light);color:var(--brand-dark)}
.mobile-nav a.m-link.active{background:var(--brand-light);color:var(--brand)}
.mobile-nav .btn-brand{margin-top:10px}

/* ============ hero ============ */
.hero{
 position:relative;color:#fff;padding:58px 0 66px;overflow:hidden;
 background-image:url('/assets/images/backpic/back-3.webp');
 background-size:cover;background-position:center;
}
.hero::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(112deg,rgba(7,28,24,.96) 0%,rgba(9,44,38,.9) 52%,rgba(9,44,38,.62) 100%);
}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:42px;align-items:center}
.hero-eyebrow{
 display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
 background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.24);
 font-size:12.5px;font-weight:600;letter-spacing:.04em;color:#c9efe6;margin-bottom:18px;
}
.hero-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:#7fd8c6;box-shadow:0 0 0 3px rgba(127,216,198,.22)}
.hero h1{font-size:clamp(26px,3.4vw,40px);line-height:1.26;color:#fff;margin:0 0 14px;font-weight:800;letter-spacing:-.01em}
.hero h1 .h1-sub{display:block;font-size:clamp(15px,1.7vw,19px);font-weight:600;color:#9fd8ca;margin-top:10px;letter-spacing:.02em}
.hero-lead{color:#c3dcd6;font-size:15.2px;line-height:1.85;max-width:600px;margin-bottom:22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.hero-tags .pill{
 padding:7px 15px;border-radius:999px;font-size:12.8px;font-weight:600;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);color:#dcf1eb;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.prob-panel{
 background:rgba(255,255,255,.97);color:var(--ink);border-radius:var(--radius-lg);
 padding:24px 22px;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.8);
}
.prob-panel h2{font-size:16.5px;margin:0 0 4px;font-weight:800}
.prob-panel .panel-note{font-size:12.5px;color:var(--muted);margin:0 0 18px}
.rate-row{display:flex;justify-content:space-between;font-size:13px;color:var(--ink-soft);margin-bottom:6px;font-weight:600}
.rate-row b{color:var(--brand-dark)}
.rate-bar{height:7px;border-radius:5px;background:#eaf2ef;margin-bottom:15px;overflow:hidden}
.rate-bar i{display:block;height:100%;border-radius:5px;background:linear-gradient(90deg,#0f6b5c,#33b39c)}
.panel-foot{border-top:1px solid var(--line);padding-top:12px;margin-top:4px;font-size:12.5px;color:var(--muted)}

/* ============ section ============ */
.page-sec{padding:64px 0}
.page-sec.sec-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:780px;margin-bottom:32px}
.sec-kicker{
 display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
 letter-spacing:.08em;color:var(--brand);text-transform:uppercase;
}
.sec-kicker::before{content:"";width:16px;height:3px;border-radius:2px;background:var(--accent)}
.sec-title{font-size:clamp(22px,2.4vw,29px);font-weight:800;letter-spacing:-.01em;margin:10px 0 8px;line-height:1.32}
.sec-sub{color:var(--ink-soft);font-size:14.6px;margin:0}
.sec-foot{margin-top:28px}

/* cards */
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.mj-card{
 background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;height:100%;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mj-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe2dc}
.card-ico{
 width:42px;height:42px;border-radius:11px;background:var(--brand-light);
 display:grid;place-items:center;margin-bottom:14px;color:var(--brand);
}
.card-ico svg{width:21px;height:21px}
.mj-card h3{font-size:16.5px;font-weight:800;margin:0 0 8px;line-height:1.5}
.mj-card p{font-size:14.2px;color:var(--ink-soft);margin:0 0 14px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
 display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
 font-size:12.2px;font-weight:600;background:var(--brand-light);color:var(--brand-dark);
 border:1px solid rgba(15,107,92,.14);
}
.tag.gold{background:var(--accent-light);color:#8d5f22;border-color:rgba(193,135,60,.25)}

/* prob table */
.prob-layout{display:grid;grid-template-columns:.86fr 1.24fr;gap:30px;align-items:start}
.prob-note{background:var(--brand-light);border:1px solid rgba(15,107,92,.16);border-radius:var(--radius);padding:22px}
.prob-note h3{font-size:16px;font-weight:800;margin:0 0 10px;color:var(--brand-dark)}
.prob-note p{font-size:14px;color:var(--ink-soft);margin:0 0 10px}
.prob-note p:last-child{margin:0}
.table-wrap{overflow-x:auto;border-radius:14px}
.prob-table{
 width:100%;min-width:560px;border-collapse:separate;border-spacing:0;background:#fff;
 border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm);font-size:14px;
}
.prob-table thead th{
 background:var(--brand-light);color:var(--brand-dark);font-weight:700;text-align:left;
 padding:12px 14px;font-size:13px;letter-spacing:.02em;border-bottom:1px solid var(--line);white-space:nowrap;
}
.prob-table td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--ink-soft);vertical-align:middle}
.prob-table tbody tr:last-child td{border-bottom:0}
.prob-table tbody tr:hover td{background:#f9fcfb}
.prob-table td strong{color:var(--ink);font-weight:700}
.bar{height:6px;border-radius:4px;background:#eef4f2;overflow:hidden;min-width:72px}
.bar > i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--brand),#2aa38e)}
.table-foot{font-size:12.6px;color:var(--muted);margin-top:12px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{
 position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe2dc}
.step-num{
 width:34px;height:34px;border-radius:9px;background:var(--brand);color:#fff;
 display:grid;place-items:center;font-weight:800;font-size:14px;margin-bottom:12px;
 box-shadow:0 4px 12px rgba(15,107,92,.24);
}
.step h3{font-size:15.5px;font-weight:800;margin:0 0 8px}
.step p{font-size:13.9px;color:var(--ink-soft);margin:0}

/* dark band */
.band-dark{
 background:linear-gradient(150deg,#0a2b25 0%,#0d3f36 58%,#105749 100%);
 color:#dff1ec;padding:66px 0;
}
.band-dark .sec-kicker{color:#8fd8c8}
.band-dark .sec-title{color:#fff}
.band-dark .sec-sub{color:#a9cdc4}
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:6px}
.quote-card{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:22px 20px;
 transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.quote-card:hover{background:rgba(255,255,255,.11);transform:translateY(-3px);border-color:rgba(255,255,255,.28)}
.quote-card p{font-size:14.2px;color:#d6ebe5;margin:0 0 14px;line-height:1.8}
.quote-mark{font-size:12px;font-weight:700;letter-spacing:.08em;color:#7fd8c6;margin-bottom:10px}
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:26px}
.stat-item{
 background:rgba(0,0,0,.16);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);
 padding:18px 20px;
}
.stat-item b{display:block;font-size:26px;font-weight:800;color:#fff;line-height:1.3}
.stat-item span{font-size:12.8px;color:#a9cdc4}

/* compare */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.compare-col{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.compare-col:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfe2dc}
.compare-col.alt{background:#fbfdfc;border-color:#cfe2dc}
.compare-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.compare-col h3{font-size:17px;font-weight:800;margin:0}
.compare-col ul{list-style:none;padding:0;margin:0}
.compare-col li{
 position:relative;padding:10px 0 10px 22px;font-size:14.1px;color:var(--ink-soft);
 border-bottom:1px dashed var(--line);
}
.compare-col li:last-child{border-bottom:0}
.compare-col li::before{
 content:"";position:absolute;left:2px;top:18px;width:7px;height:7px;border-radius:50%;
 background:var(--brand);opacity:.7;
}
.compare-col.alt li::before{background:var(--accent)}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.news-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
 display:flex;flex-direction:column;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe2dc}
.news-card .thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#eef4f2}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .thumb img{transform:scale(1.05)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12.3px;color:var(--muted);font-weight:600}
.news-meta .cat{color:var(--brand);background:var(--brand-light);padding:2px 9px;border-radius:999px}
.news-card h3{font-size:15.8px;font-weight:800;margin:0;line-height:1.55}
.news-card h3 a{color:var(--ink)}
.news-card h3 a:hover{color:var(--brand)}
.news-card p{font-size:13.7px;color:var(--ink-soft);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.empty-note{
 background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
 padding:28px;text-align:center;color:var(--muted);font-size:14px;
}
.list-more{margin-top:28px;text-align:center}

/* faq */
.faq-wrap{max-width:900px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:12px;
 padding:0;margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm);
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#cfe2dc;box-shadow:var(--shadow-md)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:17px 52px 17px 20px;position:relative;
 font-weight:700;font-size:15.2px;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
 font-size:20px;font-weight:600;color:var(--brand);line-height:1;
 transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"–";transform:translateY(-50%)}
.faq-item summary:hover{background:#f8fbfa}
.faq-body{padding:0 20px 18px;font-size:14.3px;color:var(--ink-soft);border-top:1px solid var(--line);padding-top:14px}

/* cta */
.cta-band{
 background:linear-gradient(135deg,var(--brand) 0%,#12836f 100%);
 color:#fff;border-radius:var(--radius-lg);padding:38px 36px;
 display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
 box-shadow:var(--shadow-md);
}
.cta-band h2{font-size:clamp(20px,2.2vw,25px);font-weight:800;margin:0 0 8px;color:#fff}
.cta-band p{margin:0;font-size:14.3px;color:#d3ece5;max-width:620px}
.cta-band .btn-white{
 display:inline-flex;align-items:center;justify-content:center;border-radius:10px;
 background:#fff;color:var(--brand-dark);font-weight:800;font-size:14.5px;
 padding:12px 24px;border:1px solid #fff;transition:transform .2s ease,box-shadow .2s ease;
}
.cta-band .btn-white:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(0,0,0,.18);color:var(--brand-dark)}
.assure-strip{
 display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:26px;
}
.assure-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 20px;font-size:13.9px;color:var(--ink-soft);box-shadow:var(--shadow-sm);
}
.assure-item b{display:block;color:var(--ink);font-size:14.6px;margin-bottom:4px}

/* footer */
.site-footer{background:#0b211d;color:#9fb8b1;padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{
 width:34px;height:34px;border-radius:10px;background:linear-gradient(140deg,#12836f,#1aa48c);
 color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;
}
.footer-brand .brand-name{font-weight:800;font-size:15.5px}
.footer-about{font-size:13.8px;line-height:1.8;color:#8ea8a1;margin:0;max-width:340px}
.footer-col h3{font-size:14px;color:#fff;font-weight:800;margin:4px 0 14px}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
.footer-col li{font-size:13.6px;color:#8ea8a1}
.footer-col a{color:#9fb8b1;font-size:13.6px}
.footer-col a:hover{color:#fff}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:18px;
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:12.8px;color:#7d968f;
}
.footer-bottom strong{color:#cfe5df}

/* ============ responsive ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:30px}
 .prob-panel{max-width:520px}
 .prob-layout{grid-template-columns:1fr;gap:22px}
 .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
 .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .quote-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
 .page-sec{padding:48px 0}
 .hero{padding:44px 0 52px}
 .feature-grid,.steps,.news-grid,.compare-grid,.stat-row,.assure-strip{grid-template-columns:1fr}
 .sec-head{margin-bottom:24px}
 .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start}
 .prob-table{min-width:520px}
 .band-dark{padding:48px 0}
}
@media (max-width:520px){
 body{font-size:15px}
 .header-inner{gap:10px}
 .brand-name{font-size:14.5px}
 .brand-sub{display:none}
 .hero h1{font-size:24px}
 .hero-lead{font-size:14.6px}
 .hero-actions .btn-brand,.hero-actions .btn-line{width:100%}
 .prob-panel{padding:18px 16px}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;gap:6px}
 .mj-card,.step,.compare-col{padding:20px 18px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}