/* roulang page: index */
:root{
  --ink-900:#071614;
  --ink-800:#0C2420;
  --ink-700:#12332D;
  --brand-600:#0F7A69;
  --brand-500:#12907C;
  --brand-200:#A9E3D8;
  --brand-50:#E9F6F2;
  --accent-500:#F2A63B;
  --accent-600:#D9871C;
  --paper:#F7F4ED;
  --surface:#FFFFFF;
  --line:#E4DED1;
  --text:#12201D;
  --muted:#5A6B66;
  --ok:#1F9D6B;
  --warn:#E0733A;
  --shadow-1:0 1px 2px rgba(7,22,20,.06),0 10px 24px -14px rgba(7,22,20,.22);
  --shadow-2:0 2px 4px rgba(7,22,20,.08),0 18px 36px -18px rgba(7,22,20,.28);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --r-btn:10px;
  --mono:ui-monospace,"SFMono-Regular","JetBrains Mono",Menlo,Consolas,monospace;
  --sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;}
a:hover{color:#0B5E51;text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding-left:1.15em;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--ink-900);
  border-bottom:1px solid rgba(255,255,255,0);
  transition:border-color .2s ease;
}
.site-header.is-scrolled{border-bottom-color:rgba(255,255,255,.08);}
.nav-bar{
  display:flex;align-items:center;gap:24px;
  height:68px;
}
.brand{
  display:inline-flex;align-items:flex-start;gap:6px;
  color:#fff;text-decoration:none;flex-shrink:0;
}
.brand:hover{color:#fff;text-decoration:none;}
.brand-star{width:16px;height:16px;flex-shrink:0;margin-top:6px;color:var(--accent-500);}
.brand-word{
  display:inline-flex;align-items:flex-start;gap:5px;
}
.brand-main{font-size:20px;font-weight:700;letter-spacing:.2px;line-height:1.25;}
.brand-tag{
  font-size:11px;font-weight:600;line-height:1;
  color:var(--ink-900);background:var(--brand-200);
  border-radius:999px;padding:4px 7px;margin-top:1px;white-space:nowrap;
}
.nav-links{
  display:flex;align-items:center;gap:4px;
  margin-left:8px;flex:1;min-width:0;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;color:rgba(255,255,255,.82);
  text-decoration:none;border-radius:8px;
  white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.06);text-decoration:none;}
.nav-links a.is-active{color:#fff;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;
  background:var(--accent-500);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.status-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:#0F4F3F;
  background:#DFF4EC;border-radius:999px;padding:4px 10px;
  white-space:nowrap;
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);display:inline-block;flex-shrink:0;}
.countdown{
  font-family:var(--mono);font-size:12px;font-weight:600;
  color:#3B2A0C;background:var(--accent-500);
  border-radius:999px;padding:5px 10px;white-space:nowrap;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px solid transparent;border-radius:var(--r-btn);
  font-weight:700;font-size:15px;line-height:1;
  padding:14px 26px;cursor:pointer;text-decoration:none;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--accent-500);color:#22160A;}
.btn-primary:hover{background:var(--accent-600);color:#22160A;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{background:transparent;border-color:var(--brand-600);color:var(--brand-600);}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-600);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn-outline-light:hover{background:#fff;color:var(--ink-900);border-color:#fff;}
.btn-sm{padding:10px 18px;font-size:14px;}
.nav-cta{padding:11px 20px;font-size:14px;}
.burger{
  display:none;width:42px;height:42px;border-radius:10px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  cursor:pointer;padding:0;align-items:center;justify-content:center;
}
.burger span{
  display:block;width:18px;height:2px;background:#fff;border-radius:2px;
  position:relative;transition:background .18s ease;
}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;
  transition:transform .2s ease;
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.drawer{
  position:fixed;inset:0;z-index:120;display:none;
}
.drawer.is-open{display:block;}
.drawer-mask{position:absolute;inset:0;background:rgba(7,22,20,.55);}
.drawer-panel{
  position:absolute;top:0;left:0;right:0;
  background:var(--ink-900);
  padding:20px 20px 28px;
  border-bottom-left-radius:20px;border-bottom-right-radius:20px;
  transform:translateY(-12px);opacity:0;
  transition:transform .22s ease,opacity .22s ease;
}
.drawer.is-open .drawer-panel{transform:translateY(0);opacity:1;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;font-size:18px;cursor:pointer;line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:18px;}
.drawer-nav a{
  color:rgba(255,255,255,.85);font-size:16px;padding:12px 10px;border-radius:10px;text-decoration:none;
}
.drawer-nav a:hover{background:rgba(255,255,255,.07);color:#fff;text-decoration:none;}
.drawer-foot{display:flex;flex-direction:column;gap:12px;}
.drawer-foot .btn{width:100%;}
body.no-scroll{overflow:hidden;}

/* ---------- section basics ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{margin-bottom:36px;max-width:760px;}
.sec-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;
}
.sec-title{
  font-size:30px;font-weight:700;line-height:1.3;letter-spacing:-.3px;
  display:flex;align-items:center;gap:14px;
}
.sec-title::after{
  content:"";width:40px;height:1px;background:var(--brand-600);position:relative;flex-shrink:0;
  box-shadow:40px 0 0 -1px transparent;
}
.sec-title .rail{display:none;}
.rail-line{
  position:relative;width:46px;height:1px;background:var(--brand-600);flex-shrink:0;
}
.rail-line::after{
  content:"";position:absolute;right:-2px;top:-1px;width:3px;height:3px;border-radius:50%;background:var(--brand-600);
}
.sec-sub{margin-top:12px;font-size:16px;color:var(--muted);line-height:1.7;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand-600);text-decoration:none;white-space:nowrap;
}
.text-link .arw{transition:transform .2s ease;}
.text-link:hover{color:#0B5E51;text-decoration:none;}
.text-link:hover .arw{transform:translateX(3px);}

/* ---------- hero ---------- */
.hero{
  background:var(--ink-900);
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:22px 22px;
  color:#fff;
  padding:56px 0 72px;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:20px;}
.chip-ok{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(31,157,107,.16);color:#8FE7C2;
  border-radius:999px;padding:5px 12px;font-size:12px;font-weight:600;
}
.chip-time{
  font-family:var(--mono);font-size:12px;color:rgba(255,255,255,.72);
  background:rgba(255,255,255,.07);border-radius:999px;padding:5px 12px;
}
.chip-outline{
  font-size:12px;font-weight:600;color:#A9E3D8;
  border:1px solid rgba(169,227,216,.45);border-radius:999px;padding:4px 12px;
}
.hero h1{
  font-size:clamp(30px,4.6vw,46px);
  line-height:1.2;font-weight:700;letter-spacing:-.5px;
  margin-bottom:18px;color:#fff;
}
.hero h1 em{font-style:normal;color:var(--brand-200);}
.hero-sub{
  font-size:17px;line-height:1.75;color:rgba(255,255,255,.76);
  max-width:560px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-2);}
.hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;border-radius:var(--r-lg);}
.hero-figure .fig-tag{
  position:absolute;left:14px;bottom:14px;
  font-family:var(--mono);font-size:11px;letter-spacing:.4px;
  color:#EAFBF5;background:rgba(7,22,20,.72);
  border:1px solid rgba(169,227,216,.35);
  border-radius:999px;padding:5px 11px;
}

/* ---------- address cards ---------- */
.addr-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.addr-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.addr-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.addr-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.addr-url{
  flex:1;min-width:0;font-family:var(--mono);font-size:15px;color:var(--text);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  background:#FBFAF6;border:1px solid var(--line);border-radius:8px;padding:8px 12px;
}
.addr-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted);}
.addr-state{display:inline-flex;align-items:center;gap:6px;}
.copy-btn{
  border:1.5px solid var(--brand-600);background:transparent;color:var(--brand-600);
  border-radius:var(--r-btn);font-size:13px;font-weight:700;
  padding:8px 16px;cursor:pointer;white-space:nowrap;flex-shrink:0;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.copy-btn:hover{background:var(--brand-50);}
.copy-btn.copied{color:var(--ok);border-color:var(--ok);background:#EAF7F1;}

/* ---------- table ---------- */
.table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);}
.cmp-table{width:100%;border-collapse:collapse;font-size:15px;}
.cmp-table thead th{
  background:var(--ink-900);color:#fff;font-weight:600;font-size:14px;
  padding:18px 16px;text-align:center;position:relative;
}
.cmp-table thead th:first-child{text-align:left;width:30%;}
.cmp-table thead th.rec{background:var(--ink-800);}
.cmp-table thead th.rec::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--accent-500);
}
.rec-badge{
  display:inline-block;font-size:11px;font-weight:700;color:#22160A;
  background:var(--accent-500);border-radius:999px;padding:2px 8px;margin-left:6px;vertical-align:2px;
}
.cmp-table tbody td{
  padding:0 16px;height:56px;text-align:center;border-top:1px solid var(--line);color:var(--text);
}
.cmp-table tbody td:first-child{text-align:left;color:var(--muted);font-size:14px;}
.cmp-table tbody tr:nth-child(even){background:#FBFAF6;}
.cmp-table tbody tr:hover{background:var(--brand-50);}
.cmp-table td.rec-col{background:rgba(242,166,59,.07);font-weight:600;}
.cmp-table tbody tr:nth-child(even) td.rec-col{background:rgba(242,166,59,.11);}
.yes{color:var(--brand-600);font-weight:700;}
.no{color:var(--muted);}
.price-cell{font-family:var(--mono);font-size:16px;font-weight:700;color:var(--ink-900);}
/* mobile comparison cards */
.cmp-cards{display:none;gap:16px;}
.cmp-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow-1);
}
.cmp-card.rec{border-color:var(--accent-500);box-shadow:0 3px 0 0 var(--accent-500),var(--shadow-1);}
.cmp-card h3{font-size:19px;font-weight:700;margin-bottom:6px;}
.cmp-card .price{font-family:var(--mono);font-size:22px;font-weight:700;color:var(--ink-900);margin-bottom:14px;}
.cmp-card .price small{font-size:12px;color:var(--muted);font-weight:500;font-family:var(--sans);margin-left:4px;}
.cmp-card ul{list-style:none;padding:0;margin:0 0 18px;}
.cmp-card li{
  display:flex;justify-content:space-between;gap:12px;
  font-size:14px;padding:9px 0;border-bottom:1px dashed var(--line);color:var(--muted);
}
.cmp-card li strong{color:var(--text);font-weight:600;}
.cmp-card .btn{width:100%;}

/* ---------- level cards ---------- */
.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.level-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
  overflow:hidden;
}
.level-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--accent-500);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.level-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.level-card:hover::before{transform:scaleX(1);}
.level-num{
  font-family:var(--mono);font-size:40px;font-weight:700;line-height:1;
  color:var(--brand-200);margin-bottom:14px;letter-spacing:-1px;
}
.level-card h3{font-size:19px;font-weight:700;margin-bottom:8px;}
.level-card .def{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:16px;}
.level-list{list-style:none;padding:0;margin:0 0 18px;}
.level-list li{
  position:relative;padding-left:18px;font-size:14px;color:var(--text);
  line-height:1.8;margin-bottom:6px;
}
.level-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--brand-600);
}
.level-valid{font-size:12px;color:var(--muted);font-family:var(--mono);border-top:1px solid var(--line);padding-top:12px;}

/* ---------- preview grid ---------- */
.preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.pv-item{
  position:relative;border-radius:12px;overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.pv-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.pv-item img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.pv-mask{
  position:absolute;inset:0;background:rgba(7,22,20,.55);
  display:flex;align-items:center;justify-content:center;
  transition:background .2s ease;
}
.pv-item:hover .pv-mask{background:rgba(7,22,20,.45);}
.pv-lock{
  width:40px;height:40px;border-radius:50%;
  border:1.5px solid rgba(255,255,255,.7);
  display:flex;align-items:center;justify-content:center;color:#fff;
}
.pv-tag{
  position:absolute;right:10px;bottom:10px;
  font-size:11px;font-weight:600;color:#22160A;background:var(--accent-500);
  border-radius:999px;padding:3px 10px;
}
.pv-title{
  position:absolute;left:12px;top:12px;right:60px;
  font-size:13px;font-weight:600;color:#fff;line-height:1.4;
  text-shadow:0 1px 6px rgba(0,0,0,.5);
}

/* ---------- cms cards ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:20px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.news-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;}
.chip{
  display:inline-block;font-size:11px;font-weight:600;color:var(--brand-600);
  background:var(--brand-50);border-radius:999px;padding:3px 10px;
}
.news-date{font-family:var(--mono);font-size:12px;color:var(--muted);}
.news-card h3{
  font-size:18px;font-weight:600;line-height:1.45;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card h3 a{color:var(--text);text-decoration:none;}
.news-card h3 a:hover{color:var(--brand-600);text-decoration:none;}
.news-excerpt{
  font-size:14px;line-height:1.7;color:var(--muted);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{margin-top:auto;}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  margin-bottom:12px;overflow:hidden;
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;cursor:pointer;text-align:left;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--text);line-height:1.5;
}
.faq-q:hover{color:var(--brand-600);}
.faq-icon{
  flex-shrink:0;width:20px;height:20px;position:relative;
  transition:transform .22s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-600);border-radius:2px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .26s ease;
}
.faq-a-inner{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--muted);}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--ink-900);
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:22px 22px;
  color:#fff;padding:72px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-inner h2{font-size:30px;font-weight:700;line-height:1.3;margin-bottom:12px;color:#fff;}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.74);max-width:620px;line-height:1.75;}
.cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:12px;flex-shrink:0;}
.cta-note{font-size:12px;color:rgba(255,255,255,.5);line-height:1.6;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:14px;}
.footer-status{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:#8FE7C2;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);text-decoration:none;transition:color .18s ease;}
.footer-col a:hover{color:var(--accent-500);text-decoration:none;}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:8px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom .copy{font-size:12px;color:rgba(255,255,255,.45);}
.footer-bottom .copy .mono{color:rgba(255,255,255,.45);}
.footer-mini{display:flex;gap:18px;flex-wrap:wrap;}
.footer-mini a{font-size:12px;color:rgba(255,255,255,.45);text-decoration:none;}
.footer-mini a:hover{color:var(--accent-500);}

/* ---------- misc ---------- */
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:32px;}
.stat-box{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--shadow-1);
}
.stat-box .k{font-size:12px;color:var(--muted);margin-bottom:8px;}
.stat-box .v{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--ink-900);line-height:1.2;}
.stat-box .v small{font-size:13px;font-weight:500;color:var(--muted);margin-left:4px;}
.empty-box{
  grid-column:1/-1;
  border:1.5px dashed var(--line);border-radius:var(--r-sm);
  padding:40px;text-align:center;background:var(--surface);
}
.empty-box p{font-size:14px;color:var(--muted);margin-bottom:10px;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-links,.nav-right .status-pill,.nav-right .countdown{display:none;}
  .nav-right .nav-cta{display:none;}
  .burger{display:inline-flex;}
  .nav-bar{gap:12px;justify-content:space-between;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure{order:2;}
  .hero-text{order:1;}
  .level-grid{grid-template-columns:1fr 1fr;}
  .preview-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .sec-title{font-size:24px;gap:10px;}
  .rail-line{width:32px;}
  .table-wrap{display:none;}
  .cmp-cards{display:grid;grid-template-columns:1fr;}
  .addr-grid{grid-template-columns:1fr;}
  .level-grid{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hero{padding:40px 0 56px;}
  .hero-sub{font-size:16px;}
  .cta-inner h2{font-size:24px;}
}
@media (max-width:639px){
  .container{padding:0 20px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .preview-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .addr-top{flex-wrap:wrap;}
  .addr-url{flex-basis:100%;}
  .copy-btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-q{padding:16px;font-size:15px;}
  .faq-a-inner{padding:0 16px 16px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --ink-900:#071614; --ink-800:#0C2420; --ink-700:#12332D;
  --brand-600:#0F7A69; --brand-500:#12907C; --brand-200:#A9E3D8; --brand-50:#E9F6F2;
  --accent-500:#F2A63B; --accent-600:#D9871C;
  --paper:#F7F4ED; --surface:#FFFFFF; --line:#E4DED1;
  --text:#12201D; --muted:#5A6B66; --ok:#1F9D6B; --warn:#E0733A;
  --shadow-1:0 1px 2px rgba(7,22,20,.06),0 10px 24px -14px rgba(7,22,20,.22);
  --shadow-2:0 2px 4px rgba(7,22,20,.08),0 18px 36px -18px rgba(7,22,20,.28);
  --r-lg:20px; --r-md:16px; --r-sm:14px; --r-btn:10px;
  --sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,"SFMono-Regular","JetBrains Mono","Menlo",monospace;
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--paper);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease}
a:hover{color:#0B5E51;text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:1.1em}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:8px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--ok);flex:0 0 auto}

/* ---------- 头部 / 品牌活动导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--ink-900);
  color:#fff;border-bottom:1px solid rgba(255,255,255,0);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.scrolled{border-bottom-color:rgba(255,255,255,.08);box-shadow:0 10px 30px -22px rgba(0,0,0,.9)}
.header-inner{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:inline-flex;align-items:flex-start;gap:7px;color:#fff;text-decoration:none;flex:0 0 auto}
.brand:hover{text-decoration:none;color:#fff}
.brand-star{width:16px;height:16px;color:var(--accent-500);margin-top:3px;flex:0 0 auto}
.brand-word{display:inline-flex;align-items:flex-start;gap:5px;line-height:1}
.brand-main{font-size:20px;font-weight:700;letter-spacing:.4px;color:#fff;line-height:1}
.brand-tag{
  font-size:11px;font-weight:600;line-height:1.25;letter-spacing:.3px;
  color:#071614;background:var(--brand-200);
  border-radius:999px;padding:2px 7px;transform:translateY(-2px);
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:14px;flex:1 1 auto}
.nav-links a{
  position:relative;color:rgba(255,255,255,.82);font-size:15px;font-weight:500;
  padding:22px 12px;text-decoration:none;transition:color .18s ease;
}
.nav-links a:hover{color:#fff;text-decoration:none}
.nav-links a.is-active{color:#fff}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:14px;height:2px;
  background:var(--accent-500);border-radius:2px;
}
.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.status-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:999px;background:rgba(31,157,107,.16);
  color:#9DE6C4;border:1px solid rgba(31,157,107,.35);white-space:nowrap;
}
.countdown{
  font-size:12px;color:#3B2A11;background:var(--accent-500);
  border-radius:999px;padding:4px 10px;font-weight:700;white-space:nowrap;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1.5px solid transparent;
  font-weight:700;font-size:15px;padding:13px 24px;line-height:1.2;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--accent-500);color:#22160A;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--accent-600);color:#22160A;box-shadow:var(--shadow-2)}
.btn-secondary{border-color:var(--brand-600);color:var(--brand-600);background:transparent}
.btn-secondary:hover{background:var(--brand-50);color:#0B5E51}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.header-tools .btn-sm{background:var(--accent-500);color:#22160A}
.header-tools .btn-sm:hover{background:var(--accent-600)}
.header-tools .btn-sm:focus-visible,.nav-toggle:focus-visible{outline-color:var(--brand-200)}
.nav-toggle{
  display:none;width:40px;height:38px;border-radius:10px;
  border:1.5px solid rgba(255,255,255,.35);background:transparent;
  align-items:center;justify-content:center;padding:0;
}
.nav-toggle span{display:block;width:16px;height:2px;background:#fff;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:#fff;border-radius:2px;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* 移动抽屉 */
.drawer{
  position:fixed;left:0;right:0;top:0;z-index:80;background:var(--ink-800);
  color:#fff;transform:translateY(-102%);transition:transform .26s ease;
  padding:78px 24px 26px;box-shadow:0 24px 50px -24px rgba(0,0,0,.85);
  max-height:100vh;overflow-y:auto;
}
.drawer.open{transform:translateY(0)}
.drawer-links{display:grid;gap:2px;margin-bottom:18px}
.drawer-links a{
  color:rgba(255,255,255,.86);font-size:16px;padding:13px 4px;
  border-bottom:1px solid rgba(255,255,255,.08);text-decoration:none;
}
.drawer-links a.is-active{color:var(--accent-500);font-weight:700}
.drawer .status-badge{margin-bottom:16px}
body.no-scroll{overflow:hidden}

/* ---------- 页面 Hero ---------- */
.page-hero{
  background:linear-gradient(180deg,var(--brand-50) 0%,#F1F8F6 100%);
  border-bottom:1px solid var(--line);padding:34px 0 40px;
  position:relative;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,122,105,.12) 0%,rgba(15,122,105,0) 70%);
  pointer-events:none;
}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:20px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand-600)}
.crumbs .sep{color:#BFC9C4}
.page-hero h1{
  font-size:clamp(30px,4.6vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.5px;
  max-width:820px;
}
.hero-sub{font-size:17px;line-height:1.7;color:var(--muted);margin-top:14px;max-width:680px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:600;color:var(--ink-700);
  background:var(--surface);border:1px solid var(--line);
  border-radius:999px;padding:5px 12px;
}
.chip-ok{background:#E6F6EF;border-color:#C2E8D7;color:#12684A}
.chip-ok .dot{background:var(--ok)}
.chip-warn{background:#FBEDE4;border-color:#F3D3C1;color:#9A4413}
.chip-warn .dot{background:var(--warn)}

/* ---------- 通用板块 ---------- */
.section{padding:calc(var(--sec) / 2) 0}
.section + .section{border-top:1px solid var(--line)}
.section-lead{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.sec-title{
  font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.3px;
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
}
.star-line{position:relative;display:inline-block;width:40px;height:1px;background:linear-gradient(90deg,var(--brand-600),rgba(15,122,105,.12))}
.star-line::after{content:"";position:absolute;right:-1px;top:-1px;width:3px;height:3px;border-radius:50%;background:var(--brand-600)}
.sec-desc{font-size:15px;color:var(--muted);max-width:640px;margin-top:10px}

/* ---------- 统计数字 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.stat-area{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.2px}
.stat-num{
  display:block;font-size:42px;line-height:1.1;font-weight:700;color:var(--ink-900);
  margin:10px 0 6px;letter-spacing:-1px;
}
.stat-num small{font-size:16px;font-weight:600;color:var(--muted);margin-left:4px;letter-spacing:0}
.stat-note{font-size:13.5px;color:var(--muted);line-height:1.7}
.stat-card.warn .stat-num{color:var(--warn)}

/* ---------- 状态看板 ---------- */
.board{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.board-head,.board-row{
  display:grid;grid-template-columns:1.8fr 1.1fr .9fr 1fr;
  gap:16px;align-items:center;padding:0 24px;
}
.board-head{
  background:var(--ink-900);color:rgba(255,255,255,.82);
  font-size:12.5px;font-weight:600;letter-spacing:.4px;height:46px;
}
.board-row{height:64px;border-top:1px solid var(--line);font-size:15px;transition:background .18s ease}
.board-row:nth-child(odd){background:#FBFAF6}
.board-row:hover{background:var(--brand-50)}
.line-name{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--text);min-width:0}
.line-id{
  font-family:var(--mono);font-size:12px;font-weight:700;color:var(--brand-600);
  background:var(--brand-50);border:1px solid #CFE9E2;border-radius:6px;
  width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.tag{
  font-size:11px;font-weight:600;border-radius:999px;padding:2px 8px;
  background:#EFEDE5;color:var(--muted);white-space:nowrap;
}
.tag-main{background:var(--brand-50);color:var(--brand-600);border:1px solid #CFE9E2}
.state{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:600}
.state.ok{color:#12684A}
.state.ok .dot{background:var(--ok)}
.state.warn{color:#9A4413}
.state.warn .dot{background:var(--warn);box-shadow:0 0 0 3px rgba(224,115,58,.15)}
.latency{font-family:var(--mono);font-size:14px;color:var(--text)}
.latency.high{color:var(--warn);font-weight:700}
.stamp{font-family:var(--mono);font-size:13px;color:var(--muted)}

/* ---------- 图文说明 ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split-media img{width:100%;border-radius:var(--r-lg);box-shadow:var(--shadow-1);aspect-ratio:16/10;object-fit:cover}
.split-body h3{font-size:20px;line-height:1.4;font-weight:600;margin-bottom:12px}
.split-body p{font-size:15.5px;color:var(--muted);line-height:1.85}
.check-list{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:12px}
.check-list li{display:flex;gap:10px;font-size:15px;line-height:1.7;color:var(--text)}
.check-list li::before{
  content:"";flex:0 0 auto;width:16px;height:16px;margin-top:5px;border-radius:50%;
  background:var(--brand-50);border:1.5px solid var(--brand-600);
  background-image:linear-gradient(var(--brand-600),var(--brand-600));
  background-size:6px 6px;background-position:center;background-repeat:no-repeat;
}

/* ---------- 提示卡 ---------- */
.tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tip-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.tip-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#CFE9E2}
.tip-num{font-family:var(--mono);font-size:40px;line-height:1;font-weight:700;color:var(--brand-200);letter-spacing:-1px}
.tip-card h3{font-size:18px;font-weight:600;margin:14px 0 8px}
.tip-card p{font-size:14.5px;color:var(--muted);line-height:1.75}
.tip-card .tip-foot{display:block;margin-top:14px;font-size:12.5px;color:var(--muted);font-family:var(--mono)}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;transition:box-shadow .18s ease,border-color .18s ease}
.faq-item.open{border-color:#CFE9E2;box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;line-height:1.5;color:var(--text);
}
.faq-q:hover{color:var(--brand-600)}
.plus{position:relative;flex:0 0 auto;width:16px;height:16px;transition:transform .2s ease}
.plus::before,.plus::after{content:"";position:absolute;background:var(--brand-600);border-radius:2px}
.plus::before{left:0;top:7px;width:16px;height:2px}
.plus::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{display:none;padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--muted)}
.faq-item.open .faq-a{display:block}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  background:var(--ink-900);color:#fff;position:relative;overflow:hidden;
  padding:64px 0;margin-top:var(--sec);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:26px 26px;opacity:.7;
}
.cta-inner{position:relative;display:grid;gap:26px}
.cta-band h2{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.3px;max-width:720px}
.cta-band p{font-size:15.5px;color:rgba(255,255,255,.72);max-width:640px;margin-top:12px;line-height:1.8}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px}
.link-ghost{color:#fff;font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:2px}
.link-ghost:hover{color:var(--accent-500);border-color:var(--accent-500);text-decoration:none}
.link-ghost .arrow{transition:transform .2s ease}
.link-ghost:hover .arrow{transform:translateX(3px)}
.cta-note{font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.8;margin-bottom:10px;color:rgba(255,255,255,.62)}
.footer-status{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:#9DE6C4;margin-top:6px;font-family:var(--mono)}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:var(--accent-500);text-decoration:none}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:10px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding-top:20px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
}
.copy{font-size:12px;color:rgba(255,255,255,.45);line-height:1.7}
.copy .mono{color:rgba(255,255,255,.5)}
.footer-mini{display:flex;gap:18px;flex-wrap:wrap}
.footer-mini a{font-size:12.5px;color:rgba(255,255,255,.55)}
.footer-mini a:hover{color:var(--accent-500);text-decoration:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .header-tools .countdown{display:none}
  .stat-grid{grid-template-columns:repeat(3,1fr);gap:16px}
  .stat-num{font-size:34px}
  .split{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{--sec:72px}
}
@media (max-width:767px){
  .board-head{display:none}
  .board-row{
    grid-template-columns:1fr;gap:8px;height:auto;padding:18px 20px;
    align-items:flex-start;
  }
  .board-row > div{display:flex;justify-content:space-between;gap:14px;width:100%;font-size:14px}
  .board-row > div::before{
    content:attr(data-label);color:var(--muted);font-size:12.5px;font-weight:600;
    letter-spacing:.3px;flex:0 0 auto;
  }
  .line-name{font-size:15px}
  .tip-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .cta-band h2{font-size:26px}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .section{--sec:56px}
  .header-inner{gap:12px}
  .brand-main{font-size:18px}
  .header-tools .status-badge{display:none}
  .btn{width:100%}
  .header-tools .btn-sm{width:auto}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .page-hero h1{font-size:28px}
  .sec-title{font-size:24px}
  .faq-q{padding:16px;font-size:15.5px}
  .faq-a{padding:0 16px 16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --ink-900:#071614;
  --ink-800:#0C2420;
  --ink-700:#12332D;
  --brand-600:#0F7A69;
  --brand-500:#12907C;
  --brand-200:#A9E3D8;
  --brand-50:#E9F6F2;
  --accent-500:#F2A63B;
  --accent-600:#D9871C;
  --paper:#F7F4ED;
  --surface:#FFFFFF;
  --line:#E4DED1;
  --text:#12201D;
  --muted:#5A6B66;
  --ok:#1F9D6B;
  --warn:#E0733A;
  --shadow-1:0 1px 2px rgba(7,22,20,.06),0 10px 24px -14px rgba(7,22,20,.22);
  --shadow-2:0 2px 4px rgba(7,22,20,.08),0 18px 36px -18px rgba(7,22,20,.28);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --r-btn:10px;
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular","JetBrains Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease}
a:hover{color:#0B5E51;text-decoration:underline;text-underline-offset:3px}
button{font:inherit;cursor:pointer;color:inherit}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--font-mono)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink-900);
  color:#fff;
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:0 1px 0 rgba(255,255,255,.10)}
.header-inner{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:inline-flex;align-items:center;gap:8px;color:#fff;text-decoration:none;flex:none}
.brand:hover{color:#fff;text-decoration:none}
.brand-star{width:17px;height:17px;color:var(--accent-500);flex:none}
.brand-word{display:inline-flex;align-items:flex-start;gap:6px}
.brand-main{font-size:20px;font-weight:700;line-height:1.15;letter-spacing:.4px}
.brand-tag{
  font-size:11px;font-weight:600;line-height:1.2;
  color:var(--ink-900);background:var(--brand-200);
  border-radius:999px;padding:2px 7px;transform:translateY(-2px);
  white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:10px}
.nav-links a{
  position:relative;
  color:rgba(255,255,255,.84);
  font-size:15px;
  padding:6px 0;
  text-decoration:none;
  transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-13px;height:2px;
  background:var(--accent-500);opacity:0;transition:opacity .18s ease;border-radius:2px;
}
.nav-links a:hover{color:#fff}
.nav-links a.is-active{color:#fff}
.nav-links a.is-active::after{opacity:1}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.status-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:999px;
  background:rgba(31,157,107,.16);
  color:#8FE3BE;
  white-space:nowrap;
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);display:inline-block;flex:none}
.countdown{
  font-family:var(--font-mono);
  font-size:12px;font-weight:600;letter-spacing:.5px;
  background:rgba(242,166,59,.18);
  color:#F7C87B;
  border-radius:8px;padding:5px 9px;
  white-space:nowrap;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  font-weight:700;font-size:15px;line-height:1;
  padding:14px 26px;
  border:1.5px solid transparent;
  text-decoration:none;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent-500);color:#22160A}
.btn-primary:hover{background:var(--accent-600);color:#22160A;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--brand-600);color:var(--brand-600)}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-600);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-light:hover{background:#fff;color:var(--ink-900);border-color:#fff}
.btn-sm{padding:10px 18px;font-size:13px}
.btn-block{width:100%}
.nav-toggle{
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  width:40px;height:40px;background:none;
  border:1px solid rgba(255,255,255,.24);border-radius:8px;padding:0;
}
.nav-toggle span{display:block;width:16px;height:2px;background:#fff;border-radius:2px}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(7,22,20,.55);
  opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  background:var(--ink-900);color:#fff;
  padding:16px 20px 26px;
  transform:translateY(-14px);
  transition:transform .22s ease;
  max-height:100%;overflow:auto;
}
.drawer.is-open .drawer-panel{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-close{background:none;border:0;color:#fff;font-size:26px;line-height:1;padding:2px 8px;border-radius:8px}
.drawer-close:hover{color:var(--accent-500)}
.drawer-links{display:flex;flex-direction:column;margin-bottom:20px}
.drawer-links a{
  color:#fff;font-size:16px;padding:13px 2px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-links a:hover{color:var(--accent-500);text-decoration:none}
.drawer-foot{display:flex;flex-direction:column;gap:14px}

/* ============ 文章头部 ============ */
.article-hero{
  background:var(--brand-50);
  border-bottom:1px solid var(--line);
  padding:26px 0 34px;
  position:relative;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(15,122,105,.10) 1px,transparent 1px);
  background-size:24px 24px;
  pointer-events:none;
  opacity:.7;
}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:16px;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand-600);text-decoration:none}
.breadcrumb .sep{opacity:.55}
.breadcrumb .current{color:var(--text);font-weight:600}
.article-title{
  margin:0 0 18px;
  font-size:clamp(26px,3.6vw,38px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.4px;
  max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--muted)}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;border:1px solid var(--line);
  color:var(--brand-600);font-size:12px;font-weight:600;
  padding:3px 11px;border-radius:999px;white-space:nowrap;
}
.meta-mono{font-family:var(--font-mono);font-size:12.5px}
.meta-divider{width:1px;height:12px;background:var(--line)}

/* ============ 正文布局 ============ */
.article-body{padding:46px 0 64px}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,2fr) minmax(0,1fr);
  gap:40px;
  align-items:start;
}
.article-main{min-width:0}
.prose{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:36px 40px;
  max-width:760px;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
}
.prose > *:first-child{margin-top:0}
.prose p{margin:0 0 18px;text-indent:0}
.prose h2{
  position:relative;
  margin:40px 0 16px;
  padding-left:14px;
  font-size:26px;line-height:1.4;font-weight:700;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;
  background:var(--brand-600);border-radius:3px;
}
.prose h3{font-size:19px;line-height:1.5;font-weight:600;margin:28px 0 12px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:0;list-style:none}
.prose ul li{position:relative;padding-left:20px;margin-bottom:9px}
.prose ul li::before{
  content:"";position:absolute;left:3px;top:11px;width:6px;height:6px;
  border-radius:50%;background:var(--brand-600);
}
.prose ol{counter-reset:prose-ol;padding-left:2px}
.prose ol li{position:relative;padding-left:26px;margin-bottom:10px;counter-increment:prose-ol}
.prose ol li::before{
  content:counter(prose-ol);
  position:absolute;left:0;top:3px;
  font-family:var(--font-mono);font-size:12px;font-weight:700;
  color:var(--brand-600);background:var(--brand-50);
  width:18px;height:18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
}
.prose blockquote{
  margin:22px 0;
  background:var(--brand-50);
  border-left:4px solid var(--brand-600);
  border-radius:0 10px 10px 0;
  padding:16px 20px;
  color:#25423B;
  font-size:15.5px;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:12px;margin:24px 0 8px;width:100%}
.prose figcaption,
.prose .caption{font-size:13px;color:var(--muted);text-align:center;margin-bottom:22px}
.prose code{
  font-family:var(--font-mono);
  background:#F7F4ED;
  border-radius:4px;
  padding:2px 8px;
  font-size:14px;
  word-break:break-all;
}
.prose pre{
  background:var(--ink-900);color:#D7EFE8;
  border-radius:12px;padding:16px 18px;overflow-x:auto;
  font-family:var(--font-mono);font-size:13.5px;line-height:1.75;
  margin:0 0 20px;
}
.prose pre code{background:none;padding:0;color:inherit}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:11px 12px;text-align:left;vertical-align:top}
.prose th{background:#FBFAF6;font-weight:600}
.prose a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:#0B5E51}
.prose hr{border:0;border-top:1px solid var(--line);margin:32px 0}

.empty-article{text-align:center;padding:32px 12px}
.empty-article h2{font-size:22px;margin:0 0 12px;padding:0}
.empty-article h2::before{display:none}
.empty-article p{color:var(--muted);margin:0 auto 22px;max-width:430px}

/* ============ 文末区块 ============ */
.article-foot{margin-top:30px;max-width:760px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.tag{
  font-size:12px;color:var(--muted);background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:4px 12px;
}
.back-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-600);
  margin-bottom:8px;
}
.back-link .arrow{transition:transform .2s ease}
.back-link:hover .arrow{transform:translateX(3px)}
.rel-block{margin-top:34px}
.rel-block h2{font-size:24px;margin:0 0 6px}
.rel-block .rel-note{font-size:14px;color:var(--muted);margin:0 0 18px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-sm);overflow:hidden;
  color:inherit;text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);text-decoration:none;color:inherit}
.rel-thumb{width:100%;aspect-ratio:16/10;object-fit:cover;background:#EFEAE0}
.rel-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px}
.rel-body h3{font-size:15px;line-height:1.55;font-weight:600;margin:0}
.rel-body time{font-family:var(--font-mono);font-size:12px;color:var(--muted)}

/* ============ FAQ ============ */
.faq-wrap{margin-top:44px;max-width:760px}
.faq-wrap h2{font-size:26px;margin:0 0 6px}
.faq-wrap .faq-note{font-size:14px;color:var(--muted);margin:0 0 18px}
.faq{max-width:760px}
.faq-item{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-sm);margin-bottom:12px;overflow:hidden;
  transition:box-shadow .18s ease,border-color .18s ease;
}
.faq-item.is-open{border-color:var(--brand-200);box-shadow:var(--shadow-1)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;background:none;border:0;
  padding:17px 20px;text-align:left;
  font-size:16px;font-weight:600;line-height:1.55;color:var(--text);
}
.faq-q:hover{color:var(--brand-600)}
.faq-q .plus{
  flex:none;position:relative;width:14px;height:14px;
  transition:transform .2s ease;
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:var(--brand-600);border-radius:2px;
}
.faq-q .plus::before{left:0;top:6px;width:14px;height:2px}
.faq-q .plus::after{left:6px;top:0;width:2px;height:14px}
.faq-q[aria-expanded="true"] .plus{transform:rotate(45deg)}
.faq-a{display:none;padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--muted)}
.faq-item.is-open .faq-a{display:block}

/* ============ 侧栏 ============ */
.sidebar{display:flex;flex-direction:column;gap:22px;min-width:0}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px;
}
.side-card h3{font-size:17px;line-height:1.5;font-weight:600;margin:0 0 10px}
.side-card p{font-size:14px;line-height:1.75;color:var(--muted);margin:0 0 14px}
.member-card{border:1.5px solid var(--brand-600);background:linear-gradient(180deg,var(--brand-50) 0%,#FFFFFF 62%)}
.member-card h3{color:var(--ink-900)}
.member-card .side-note{font-size:12.5px;color:var(--muted);margin:12px 0 0;line-height:1.7}
.addr-box{
  font-family:var(--font-mono);font-size:12.5px;line-height:1.7;
  word-break:break-all;color:#25423B;
  background:#FBFAF6;border:1px solid var(--line);
  border-radius:8px;padding:10px 12px;margin-bottom:12px;
}
.addr-status{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin-top:12px}
.btn.is-copied{background:var(--brand-50);border-color:var(--ok);color:var(--ok)}
.rank-list{list-style:none;margin:0;padding:0}
.rank-list li{padding:12px 0;border-bottom:1px dashed var(--line)}
.rank-list li:first-child{padding-top:0}
.rank-list li:last-child{border-bottom:0;padding-bottom:0}
.rank-list a{display:block;font-size:14px;line-height:1.6;font-weight:600;color:var(--text)}
.rank-list a:hover{color:var(--brand-600);text-decoration:none}
.rank-list time{display:block;font-family:var(--font-mono);font-size:12px;color:var(--muted);margin-top:5px}
.channel-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.channel-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);
}
.channel-list li:last-child a{border-bottom:0;padding-bottom:0}
.channel-list a:hover{color:var(--brand-600);text-decoration:none}
.channel-list a span{color:var(--muted);font-weight:400;font-size:12px}

/* ============ 通栏 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-900);
  color:#fff;
  padding:60px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:22px 22px;pointer-events:none;
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:32px;align-items:center}
.cta-inner h2{font-size:clamp(24px,3vw,30px);line-height:1.35;margin:0 0 10px;color:#fff}
.cta-inner p{color:rgba(255,255,255,.76);font-size:15px;line-height:1.8;margin:0;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;justify-content:flex-end}
.cta-link{
  display:inline-flex;align-items:center;gap:6px;
  color:#fff;font-size:14px;font-weight:600;
  border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:2px;
}
.cta-link:hover{color:var(--accent-500);border-color:var(--accent-500);text-decoration:none}
.cta-link .arrow{transition:transform .2s ease}
.cta-link:hover .arrow{transform:translateX(3px)}
.cta-note{grid-column:1/-1;font-size:12px;color:rgba(255,255,255,.45);margin:0;line-height:1.7}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:56px 0 0}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:36px;
}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;margin:0 0 10px;color:rgba(255,255,255,.68)}
.footer-status{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;color:rgba(255,255,255,.58);margin-top:8px;
}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin:0 0 14px}
.footer-col p{font-size:13.5px;line-height:1.85;margin:0 0 10px;color:rgba(255,255,255,.62)}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:var(--accent-500);text-decoration:none}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:18px 0 24px;
  display:flex;flex-wrap:wrap;gap:16px;
  align-items:center;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.45);
}
.footer-bottom .mono{font-family:var(--font-mono);color:rgba(255,255,255,.38)}
.footer-mini{display:flex;flex-wrap:wrap;gap:18px}
.footer-mini a{color:rgba(255,255,255,.55);font-size:12px}
.footer-mini a:hover{color:var(--accent-500);text-decoration:none}

/* ============ 响应式 ============ */
@media (max-width:1140px){
  .nav-links{gap:16px}
  .nav-links a{font-size:14px}
  .header-inner{gap:16px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-actions .countdown{display:none}
  .header-actions .status-pill{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .prose{max-width:none}
  .article-foot,.faq-wrap,.faq{max-width:none}
  .sidebar{order:2}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr;gap:22px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .article-body{padding:32px 0 48px}
  .prose{padding:24px 20px;border-radius:var(--r-md);font-size:15.5px;line-height:1.85}
  .prose h2{font-size:22px;margin-top:32px}
  .article-title{margin-bottom:14px}
  .article-hero{padding:20px 0 28px}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .faq-q{font-size:15px;padding:15px 16px}
  .faq-a{padding:0 16px 16px;font-size:14.5px}
  .cta-band{padding:44px 0}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:639px){
  .header-actions .btn{display:none}
  .btn{width:100%;padding:14px 20px}
  .btn-sm{width:auto;padding:10px 16px}
  .cta-actions{flex-direction:column;align-items:stretch;gap:14px}
  .cta-link{justify-content:center}
  .meta-divider{display:none}
  .brand-main{font-size:18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --ink-900:#071614; --ink-800:#0C2420; --ink-700:#12332D;
  --brand-600:#0F7A69; --brand-500:#12907C; --brand-200:#A9E3D8; --brand-50:#E9F6F2;
  --accent-500:#F2A63B; --accent-600:#D9871C;
  --paper:#F7F4ED; --surface:#FFFFFF; --line:#E4DED1;
  --text:#12201D; --muted:#5A6B66; --ok:#1F9D6B; --warn:#E0733A;
  --shadow-1:0 1px 2px rgba(7,22,20,.06), 0 10px 24px -14px rgba(7,22,20,.22);
  --shadow-2:0 2px 4px rgba(7,22,20,.08), 0 18px 36px -18px rgba(7,22,20,.28);
  --r-lg:20px; --r-md:16px; --r-sm:14px; --r-btn:10px;
  --mono:ui-monospace,"SFMono-Regular","JetBrains Mono",Menlo,Consolas,monospace;
  --sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);font-size:16px;line-height:1.75;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease}
a:hover{color:#0B5E51;text-decoration:underline;text-underline-offset:3px}
button{font:inherit;color:inherit;cursor:pointer}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex:0 0 auto}
.dot-ok{background:var(--ok)}
.dot-warn{background:var(--warn)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--ink-900);border-bottom:1px solid transparent;transition:border-color .2s ease}
.site-header.is-scrolled{border-bottom-color:rgba(255,255,255,.08)}
.nav-inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:inline-flex;align-items:center;gap:8px;color:#fff;text-decoration:none}
.brand:hover{text-decoration:none;color:#fff}
.brand-star{width:20px;height:20px;color:var(--accent-500);flex:0 0 auto}
.brand-word{display:inline-flex;align-items:flex-start;gap:4px;line-height:1}
.brand-main{font-size:20px;font-weight:700;letter-spacing:.5px;color:#fff}
.brand-tag{font-size:11px;font-weight:600;line-height:1;padding:3px 6px;border-radius:999px;background:rgba(242,166,59,.16);color:var(--accent-500);border:1px solid rgba(242,166,59,.38);transform:translateY(-6px);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-links a{position:relative;color:rgba(255,255,255,.78);font-size:15px;padding:8px 12px;border-radius:8px;transition:color .18s ease,background-color .18s ease}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.06);text-decoration:none}
.nav-links a.is-active{color:#fff}
.nav-links a.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:var(--accent-500)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.status-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;background:rgba(31,157,107,.14);color:#8FE3BE;border:1px solid rgba(31,157,107,.35);white-space:nowrap}
.countdown{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:12px;font-weight:600;padding:5px 10px;border-radius:8px;background:rgba(242,166,59,.14);color:#F7C983;border:1px solid rgba(242,166,59,.32);white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;padding:12px 22px;border-radius:var(--r-btn);border:1.5px solid transparent;text-decoration:none;transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--accent-500);color:#22160A;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--accent-600);color:#22160A;box-shadow:var(--shadow-2)}
.btn-ghost{border-color:var(--brand-600);color:var(--brand-600);background:transparent}
.btn-ghost:hover{background:var(--brand-50);color:#0B5E51}
.btn-light{border-color:rgba(255,255,255,.7);color:#fff;background:transparent}
.btn-light:hover{background:#fff;color:var(--ink-900);border-color:#fff}
.btn-sm{padding:8px 14px;font-size:14px;border-radius:8px}
.nav-cta{padding:9px 18px;font-size:14px}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid rgba(255,255,255,.22);border-radius:10px;background:transparent;color:#fff;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:80;display:none}
.drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(7,22,20,.55)}
.drawer-panel{position:relative;background:var(--ink-900);color:#fff;padding:18px 20px 26px;border-bottom:1px solid rgba(255,255,255,.1);transform:translateY(-100%);transition:transform .24s ease}
.drawer.is-open .drawer-panel{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.22);background:transparent;color:#fff;font-size:18px;line-height:1}
.drawer-list{display:grid;gap:4px;margin-bottom:16px}
.drawer-list a{display:block;color:rgba(255,255,255,.82);padding:11px 12px;border-radius:10px;font-size:15px}
.drawer-list a:hover{background:rgba(255,255,255,.07);color:#fff;text-decoration:none}
.drawer-list a.is-active{background:rgba(242,166,59,.14);color:#F7C983}
.drawer-foot{display:grid;gap:12px}
.drawer-foot .btn{width:100%}

/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--brand-50);border-bottom:1px solid var(--line);padding:56px 0 48px}
.cat-hero::before{content:"";position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.png);background-size:cover;background-position:center right;opacity:.16;pointer-events:none}
.cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(233,246,242,.96) 0%,rgba(233,246,242,.86) 46%,rgba(233,246,242,.45) 100%);pointer-events:none}
.cat-hero .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.crumb a{color:var(--brand-600)}
.crumb span.sep{color:#B9B2A3}
h1{font-size:clamp(30px,4.6vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.5px;max-width:16em}
.hero-sub{margin-top:14px;font-size:16px;color:var(--muted);max-width:36em}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.86);border:1px solid var(--line);color:var(--ink-700)}
.chip .mono{font-weight:600;color:var(--brand-600)}
.chip-ok{border-color:rgba(31,157,107,.35);color:#177A54}
.chip-warn{border-color:rgba(224,115,58,.4);color:#AE511F}

/* ---------- sections ---------- */
.section{padding:88px 0;border-bottom:1px solid var(--line)}
.section:last-of-type{border-bottom:0}
.section-alt{background:#FBFAF6}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-title{display:flex;align-items:center;gap:14px}
h2{font-size:clamp(24px,3vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.3px}
.starline{width:40px;height:1px;background:var(--brand-200);position:relative;flex:0 0 auto}
.starline::after{content:"";position:absolute;right:-3px;top:-2px;width:5px;height:5px;border-radius:50%;background:var(--brand-600)}
.section-desc{font-size:14.5px;color:var(--muted);margin-top:10px;max-width:52em}
.section-link{font-size:14px;font-weight:600;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.section-link .arrow{transition:transform .2s ease}
.section-link:hover .arrow{transform:translateX(3px)}

/* ---------- stats ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:36px}
.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow-1)}
.stat-label{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.2px}
.stat-value{font-family:var(--mono);font-size:40px;line-height:1.15;font-weight:700;color:var(--ink-900);margin-top:10px;letter-spacing:-1px}
.stat-value .unit{font-size:16px;font-weight:600;color:var(--muted);margin-left:4px;letter-spacing:0}
.stat-note{font-size:13px;color:var(--muted);margin-top:8px}
.stat-card.accent{border-top:3px solid var(--accent-500)}
.stat-card .stat-value.brand{color:var(--brand-600)}

/* ---------- board ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.filter-tag{font-size:13px;font-weight:600;padding:7px 13px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted);transition:all .18s ease}
.filter-tag.is-on{background:var(--brand-50);border-color:var(--brand-200);color:var(--brand-600)}
.filter-tag:hover{border-color:var(--brand-200);color:var(--brand-600)}
.board{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1)}
.board-head,.board-row{display:grid;grid-template-columns:1.4fr 1fr .8fr 1fr auto;align-items:center;gap:16px;padding:0 24px}
.board-head{background:var(--ink-900);color:#fff;height:52px;font-size:13px;font-weight:600;letter-spacing:.3px}
.board-row{min-height:64px;border-top:1px solid var(--line);font-size:15px;transition:background-color .18s ease}
.board-row:hover{background:#FBFAF6}
.line-name{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--ink-900)}
.line-name .tag{font-size:11px;font-weight:600;padding:2px 7px;border-radius:999px;background:var(--brand-50);color:var(--brand-600);border:1px solid var(--brand-200)}
.state{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:600}
.state.ok{color:#177A54}
.state.warn{color:#AE511F}
.latency{font-family:var(--mono);font-size:15px;font-weight:600;color:var(--text)}
.latency.up{color:var(--warn)}
.time{font-family:var(--mono);font-size:13.5px;color:var(--muted)}
.board-row .act{font-size:13px;font-weight:600;white-space:nowrap}
.board-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:16px 24px;border-top:1px solid var(--line);background:#FBFAF6;font-size:13px;color:var(--muted)}
.legend{display:flex;flex-wrap:wrap;gap:16px}
.legend span{display:inline-flex;align-items:center;gap:6px}

/* ---------- explain split ---------- */
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.split-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);aspect-ratio:16/10;background:var(--brand-50)}
.split-media img{width:100%;height:100%;object-fit:cover}
.rule-list{display:grid;gap:14px;margin-top:22px}
.rule-item{display:grid;grid-template-columns:auto 1fr;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);padding:18px 20px;transition:transform .18s ease,box-shadow .18s ease}
.rule-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-1)}
.rule-num{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--brand-600);background:var(--brand-50);border:1px solid var(--brand-200);border-radius:8px;padding:2px 8px;height:26px;display:inline-flex;align-items:center}
.rule-item h3{font-size:16px;font-weight:600;margin-bottom:4px}
.rule-item p{font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- notice cards ---------- */
.card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.info-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-200)}
.info-card .icon{width:40px;height:40px;border-radius:12px;background:var(--brand-50);color:var(--brand-600);display:flex;align-items:center;justify-content:center;border:1px solid var(--brand-200)}
.info-card .icon svg{width:20px;height:20px}
.info-card h3{font-size:18px;font-weight:600;margin:16px 0 8px}
.info-card p{font-size:14px;color:var(--muted);line-height:1.75}
.info-card.warn .icon{background:#FBEDE4;color:#AE511F;border-color:#F3D3C1}
.info-card.warn:hover{border-color:#F3D3C1}

/* ---------- faq ---------- */
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item:hover{border-color:var(--brand-200)}
.faq-item.is-open{box-shadow:var(--shadow-1);border-color:var(--brand-200)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;background:transparent;border:0;text-align:left;padding:18px 20px;font-size:16px;font-weight:600;color:var(--text)}
.faq-q .plus{flex:0 0 auto;width:20px;height:20px;position:relative;transition:transform .22s ease;color:var(--brand-600)}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-q .plus::before{left:0;top:9px;width:20px;height:2px}
.faq-q .plus::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg)}
.faq-a{display:none;padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--muted)}
.faq-item.is-open .faq-a{display:block}

/* ---------- cta ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink-900);color:#fff;padding:72px 0}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:22px 22px;opacity:.9;pointer-events:none}
.cta-inner{position:relative;display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,32px)}
.cta-band p{color:rgba(255,255,255,.74);font-size:15.5px;margin-top:12px;max-width:44em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta-fine{font-size:12px;color:rgba(255,255,255,.5);margin-top:18px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin-bottom:10px;max-width:26em}
.footer-status{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:rgba(255,255,255,.6);margin-top:6px}
.footer-status .dot{background:var(--ok)}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:var(--accent-500);text-decoration:none}
.footer-col p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-bottom{display:flex;flex-wrap:wrap;margin:0;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px}
.footer-bottom .copy{font-size:12px;color:rgba(255,255,255,.45);line-height:1.7}
.footer-bottom .copy .mono{color:rgba(255,255,255,.4)}
.footer-mini{display:flex;flex-wrap:wrap;gap:18px}
.footer-mini a{font-size:12.5px;color:rgba(255,255,255,.6)}
.footer-mini a:hover{color:var(--accent-500);text-decoration:none}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-right .countdown{display:none}
  .nav-toggle{display:inline-flex}
  .stats-grid{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:28px}
  .card-grid-3{grid-template-columns:1fr 1fr}
  .cta-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .board-head{display:none}
  .board-row{grid-template-columns:1fr auto;gap:10px 16px;padding:16px 20px;align-items:start}
  .board-row .col-state{grid-column:1;font-size:13px}
  .board-row .col-lat{grid-column:2;text-align:right}
  .board-row .col-time{grid-column:1;font-size:12.5px}
  .board-row .col-act{grid-column:2;text-align:right}
  .line-name{grid-column:1/-1}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .cat-hero{padding:40px 0 36px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .stats-grid{grid-template-columns:1fr}
  .card-grid-3{grid-template-columns:1fr}
  .nav-right .status-badge{display:none}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .nav-cta{display:none}
  h1{font-size:30px}
  .stat-value{font-size:34px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .cta-actions{flex-direction:column;align-items:stretch}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --ink-900:#071614;
  --ink-800:#0C2420;
  --ink-700:#12332D;
  --brand-600:#0F7A69;
  --brand-500:#12907C;
  --brand-200:#A9E3D8;
  --brand-50:#E9F6F2;
  --accent-500:#F2A63B;
  --accent-600:#D9871C;
  --paper:#F7F4ED;
  --surface:#FFFFFF;
  --line:#E4DED1;
  --text:#12201D;
  --muted:#5A6B66;
  --ok:#1F9D6B;
  --warn:#E0733A;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:14px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(7,22,20,.06),0 10px 24px -14px rgba(7,22,20,.22);
  --shadow-2:0 2px 4px rgba(7,22,20,.08),0 18px 36px -18px rgba(7,22,20,.28);
  --mono:ui-monospace,"SFMono-Regular","JetBrains Mono",Menlo,Consolas,monospace;
  --sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);background:var(--paper);color:var(--text);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--brand-600);text-decoration:none;text-underline-offset:3px;transition:color .18s ease}
a:hover{color:#0B5E51;text-decoration:underline;text-underline-offset:3px}
button{font:inherit;cursor:pointer;color:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:90;background:var(--ink-900);color:#fff;transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 1px 0 rgba(255,255,255,.1),0 10px 26px -20px rgba(0,0,0,.9)}
.header-inner{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:inline-flex;align-items:center;gap:8px;color:#fff;flex:none}
.brand:hover{color:#fff;text-decoration:none}
.brand-star{width:20px;height:20px;color:var(--accent-500);flex:none}
.brand-word{display:inline-flex;align-items:flex-start;gap:6px;line-height:1}
.brand-main{font-size:20px;font-weight:700;letter-spacing:.4px;color:#fff;line-height:1.15}
.brand-tag{font-size:11px;font-weight:600;line-height:1.3;padding:2px 6px;border-radius:999px;background:var(--brand-200);color:var(--ink-900);transform:translateY(-2px);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-links a{position:relative;display:inline-block;padding:10px 11px;font-size:15px;color:rgba(255,255,255,.84);border-radius:8px;transition:color .18s ease,background .18s ease}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07);text-decoration:none}
.nav-links a.is-active{color:#fff;font-weight:600}
.nav-links a.is-active::after{content:"";position:absolute;left:11px;right:11px;bottom:1px;height:2px;border-radius:2px;background:var(--accent-500)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.status-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;background:rgba(31,157,107,.16);color:#84E0BB;white-space:nowrap}
.status-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(31,157,107,.18);flex:none}
.countdown{font-family:var(--mono);font-size:12px;font-weight:600;color:#F6C97A;background:rgba(242,166,59,.14);border:1px solid rgba(242,166,59,.34);padding:4px 9px;border-radius:999px;white-space:nowrap}
.nav-toggle{display:none;width:40px;height:40px;border:1.5px solid rgba(255,255,255,.24);background:rgba(255,255,255,.04);border-radius:10px;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:#fff;transition:transform .22s ease,opacity .22s 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)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);font-weight:700;font-size:15px;padding:14px 26px;border:1.5px solid transparent;transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;white-space:nowrap;text-align:center}
.btn-primary{background:var(--accent-500);color:#22160A}
.btn-primary:hover{background:var(--accent-600);color:#22160A;transform:translateY(-1px);box-shadow:var(--shadow-2);text-decoration:none}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-secondary{border-color:var(--brand-600);color:var(--brand-600);background:transparent}
.btn-secondary:hover{background:var(--brand-50);color:var(--brand-600);text-decoration:none}
.btn-ghost-light{border-color:rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-ghost-light:hover{background:#fff;color:var(--ink-900);border-color:#fff;text-decoration:none}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:8px}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--brand-600)}
.text-link .arw{transition:transform .2s ease}
.text-link:hover{text-decoration:none;color:#0B5E51}
.text-link:hover .arw{transform:translateX(3px)}

/* ---------- mobile drawer ---------- */
.mobile-drawer{position:fixed;left:0;right:0;top:68px;bottom:0;z-index:85;background:var(--ink-800);padding:20px 24px 32px;overflow-y:auto;transform:translateY(-10px);opacity:0;visibility:hidden;transition:opacity .22s ease,transform .22s ease,visibility .22s}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{padding:13px 2px;font-size:16px;color:rgba(255,255,255,.86);border-bottom:1px solid rgba(255,255,255,.08)}
.drawer-nav a:hover{color:#fff;text-decoration:none}
.drawer-nav a.is-active{color:var(--accent-500);font-weight:600}
.drawer-foot{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.drawer-foot .status-badge{align-self:flex-start}

/* ---------- hero ---------- */
.cat-hero{background:var(--brand-50);border-bottom:1px solid var(--line);padding:34px 0 42px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:14px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:#A9B4AF}
.cat-hero h1{font-size:clamp(30px,4.6vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.5px;max-width:900px}
.cat-hero-sub{margin-top:14px;font-size:16px;line-height:1.8;color:var(--muted);max-width:760px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:5px 11px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--muted);line-height:1.4}
.chip-ok{background:rgba(31,157,107,.1);border-color:rgba(31,157,107,.3);color:#14764F}
.chip-ok .dot{width:6px;height:6px;border-radius:50%;background:var(--ok);flex:none}
.chip-mono{font-family:var(--mono);font-weight:500}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section + .section{border-top:1px solid var(--line)}
.section-alt{background:var(--surface)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.section-title{display:flex;align-items:center;font-size:clamp(24px,3vw,31px);font-weight:700;line-height:1.3;letter-spacing:-.3px}
.rule{display:inline-block;width:40px;height:1px;background:var(--brand-600);position:relative;margin-left:16px;vertical-align:middle;flex:none}
.rule::after{content:"";position:absolute;right:-1px;top:-1px;width:3px;height:3px;border-radius:50%;background:var(--brand-600)}
.section-note{font-size:15px;color:var(--muted);max-width:520px;line-height:1.75}

/* ---------- perk cards ---------- */
.perk-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.perk-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.perk-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6CEBC}
.perk-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-50);color:var(--brand-600);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.perk-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.perk-card h3{font-size:19px;font-weight:600;line-height:1.4;margin-bottom:8px}
.perk-card p{font-size:14px;line-height:1.75;color:var(--muted)}
.perk-meta{margin-top:16px;padding-top:13px;border-top:1px dashed var(--line);font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.2px}

/* ---------- compare ---------- */
.compare-wrap{max-width:960px}
.mini-compare{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-1)}
.compare-row{display:grid;grid-template-columns:1.1fr 1fr 1.15fr 1.15fr;align-items:center;gap:12px;padding:18px 22px;border-bottom:1px solid var(--line);font-size:15px}
.compare-row:last-child{border-bottom:0}
.compare-row:nth-child(odd):not(.compare-head){background:#FBFAF6}
.compare-head{background:var(--ink-900);color:#fff;font-size:14px;font-weight:600;padding-top:16px;padding-bottom:16px}
.compare-head span{color:rgba(255,255,255,.78)}
.compare-head span:first-child{color:#fff}
.compare-row span:first-child{font-weight:600;color:var(--text)}
.compare-row .val{color:var(--muted);font-family:var(--mono);font-size:14px}
.compare-row .val.is-strong{color:var(--brand-600);font-weight:600}
.compare-foot{margin-top:16px;font-size:13px;color:var(--muted)}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--ink-800);box-shadow:var(--shadow-1)}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.media-tag{position:absolute;left:14px;bottom:14px;font-family:var(--mono);font-size:12px;font-weight:600;color:#fff;background:rgba(7,22,20,.74);padding:5px 10px;border-radius:999px;letter-spacing:.2px}
.split-body h2{font-size:clamp(23px,2.8vw,29px);font-weight:700;line-height:1.35;letter-spacing:-.3px}
.split-body > p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--muted)}
.plain-list{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.plain-list li{position:relative;padding-left:22px;font-size:15px;line-height:1.8;color:var(--text)}
.plain-list li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:var(--brand-600);opacity:.85}
.plain-list li b{font-weight:600}
.plain-list li small{display:block;font-size:13px;color:var(--muted);margin-top:2px;line-height:1.7}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item.is-open{border-color:#CFE6DF;box-shadow:var(--shadow-1)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;background:none;border:0;padding:16px 18px;text-align:left;font-size:16px;font-weight:600;color:var(--text);line-height:1.6}
.faq-q .sign{position:relative;flex:none;width:22px;height:22px;color:var(--brand-600);transition:transform .22s ease}
.faq-q .sign::before,.faq-q .sign::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-q .sign::before{left:2px;right:2px;top:10px;height:2px}
.faq-q .sign::after{top:2px;bottom:2px;left:10px;width:2px}
.faq-item.is-open .faq-q .sign{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-item.is-open .faq-a{max-height:400px}
.faq-a p{padding:0 18px 18px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink-900);color:#fff;border-radius:var(--radius-lg);padding:48px}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.07) 1px,transparent 1px);background-size:22px 22px;pointer-events:none;aria-hidden:true}
.cta-band h2{position:relative;font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.3px;color:#fff}
.cta-band > p{position:relative;margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.74);max-width:640px}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:26px}
.cta-note{position:relative;margin-top:18px;font-size:12px;color:rgba(255,255,255,.5);line-height:1.7}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin-bottom:10px;max-width:340px}
.footer-status{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;color:rgba(255,255,255,.58);margin-top:6px}
.footer-status .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(31,157,107,.2);flex:none}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--accent-500);text-decoration:none}
.footer-col p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.54);margin-bottom:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px}
.copy{font-size:12px;color:rgba(255,255,255,.45);line-height:1.7}
.copy .mono{color:rgba(255,255,255,.45)}
.footer-mini{display:flex;flex-wrap:wrap;gap:18px}
.footer-mini a{font-size:12px;color:rgba(255,255,255,.5)}
.footer-mini a:hover{color:var(--accent-500);text-decoration:none}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .perk-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .header-actions .status-badge,.header-actions .countdown{display:none}
  .section{padding:56px 0}
  .cat-hero{padding:26px 0 32px}
  .section-head{margin-bottom:26px}
  .cta-band{padding:32px 22px}
  .compare-wrap{max-width:none}
  .mini-compare{background:transparent;border:0;border-radius:0;box-shadow:none;display:grid;gap:12px}
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr;gap:8px;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-1)}
  .compare-row:nth-child(odd):not(.compare-head){background:var(--surface)}
  .compare-row span:first-child{font-size:15px;font-weight:700}
  .compare-row .val{display:flex;align-items:center;justify-content:space-between;gap:14px;border-top:1px dashed var(--line);padding-top:8px;font-size:14px}
  .compare-row .val::before{content:attr(data-label);color:var(--muted);font-family:var(--sans);font-weight:500}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .header-inner{height:64px}
  .mobile-drawer{top:64px;padding:18px 20px 28px}
  .perk-grid{grid-template-columns:1fr}
  .cat-hero h1{font-size:clamp(26px,7.4vw,34px)}
  .btn{width:100%}
  .btn-sm{width:auto}
  .cta-actions{gap:12px}
  .faq-q{padding:14px 16px;font-size:15px}
  .faq-a p{padding:0 16px 16px;font-size:14px}
  .section-title{font-size:23px}
  .rule{width:28px;margin-left:12px}
  .copy{font-size:11px}
}

/* roulang page: category4 */
:root{
  --ink-900:#071614;
  --ink-800:#0C2420;
  --ink-700:#12332D;
  --brand-600:#0F7A69;
  --brand-500:#12907C;
  --brand-700:#0B5E51;
  --brand-200:#A9E3D8;
  --brand-50:#E9F6F2;
  --accent-500:#F2A63B;
  --accent-600:#D9871C;
  --paper:#F7F4ED;
  --surface:#FFFFFF;
  --line:#E4DED1;
  --text:#12201D;
  --muted:#5A6B66;
  --ok:#1F9D6B;
  --warn:#E0733A;
  --shadow-1:0 1px 2px rgba(7,22,20,.06),0 10px 24px -14px rgba(7,22,20,.22);
  --shadow-2:0 2px 4px rgba(7,22,20,.08),0 18px 36px -18px rgba(7,22,20,.28);
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:14px;
  --radius-btn:10px;
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular","JetBrains Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.mono{font-family:var(--font-mono)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--ink-900);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease;
}
.site-header.is-scrolled{border-bottom-color:rgba(255,255,255,.08)}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:inline-flex;align-items:center;gap:8px;flex-shrink:0;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-star{width:18px;height:18px;color:var(--accent-500);flex-shrink:0}
.brand-word{display:inline-flex;align-items:flex-start;gap:4px;line-height:1}
.brand-main{font-size:20px;font-weight:700;color:#fff;letter-spacing:.2px}
.brand-tag{
  font-size:11px;font-weight:600;color:#fff;background:var(--brand-600);
  padding:2px 5px;border-radius:4px;transform:translateY(-3px);letter-spacing:.2px;
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:10px;flex:1}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;
  font-size:15px;color:rgba(255,255,255,.76);border-radius:8px;
  transition:color .18s ease,background .18s ease;text-decoration:none;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.06);text-decoration:none}
.nav-links a.is-active{color:#fff;font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--accent-500);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.badge-status{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;
  background:rgba(31,157,107,.16);color:#7FE0B6;white-space:nowrap;
}
.badge-status .dot{width:6px;height:6px;border-radius:50%;background:var(--ok)}
.countdown{
  font-family:var(--font-mono);font-size:12px;font-weight:600;
  color:var(--accent-500);background:rgba(242,166,59,.14);
  border:1px solid rgba(242,166,59,.34);
  padding:4px 10px;border-radius:999px;white-space:nowrap;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;border-radius:var(--radius-btn);text-decoration:none;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent-500);color:#22160A;padding:14px 26px}
.btn-primary:hover{background:var(--accent-600);color:#22160A;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-secondary{background:transparent;color:var(--brand-600);border:1.5px solid var(--brand-600);padding:12px 24px}
.btn-secondary:hover{background:var(--brand-50);color:var(--brand-700)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-ghost-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6);padding:12px 24px}
.btn-ghost-light:hover{background:#fff;color:var(--ink-900);text-decoration:none}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.18);color:#fff;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:120;display:none;background:rgba(7,22,20,.55)}
.drawer.is-open{display:block}
.drawer-panel{
  background:var(--ink-900);padding:20px 20px 26px;
  border-bottom:1px solid rgba(255,255,255,.1);
  animation:dropIn .22s ease;
  max-height:100vh;overflow-y:auto;
}
@keyframes dropIn{from{transform:translateY(-12px);opacity:.4}to{transform:translateY(0);opacity:1}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.2);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;line-height:1;
}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-bottom:18px}
.drawer-links a{
  color:rgba(255,255,255,.82);font-size:16px;padding:12px 10px;border-radius:10px;text-decoration:none;
}
.drawer-links a:hover{background:rgba(255,255,255,.07);color:#fff;text-decoration:none}
.drawer-links a.is-active{color:#fff;background:rgba(255,255,255,.08);font-weight:600}
.drawer-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section + .section{border-top:1px solid var(--line)}
.section-alt{background:var(--surface)}
.section-title{
  font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3;letter-spacing:-.2px;
  display:flex;align-items:center;flex-wrap:wrap;gap:6px;
}
.rule{display:inline-block;width:40px;height:1px;background:var(--brand-600);position:relative;margin-left:12px;vertical-align:middle}
.rule::after{content:"";position:absolute;right:-1px;top:-1px;width:3px;height:3px;border-radius:50%;background:var(--brand-600)}
.section-sub{margin-top:12px;font-size:16px;color:var(--muted);max-width:720px}
.section-head{margin-bottom:36px}

/* ---------- Hero ---------- */
.page-hero{
  background:var(--brand-50);
  border-bottom:1px solid var(--line);
  padding:44px 0 48px;
  position:relative;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:-40px;width:260px;height:260px;
  background-image:radial-gradient(rgba(15,122,105,.16) 1.5px,transparent 1.5px);
  background-size:16px 16px;border-radius:50%;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:36px;align-items:center;position:relative;z-index:1}
.hero-copy h1{
  font-size:clamp(30px,4.6vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.5px;
  margin-bottom:14px;
}
.hero-copy h1 .h1-sub{display:block;font-size:.52em;color:var(--brand-600);font-weight:600;margin-top:10px;letter-spacing:0}
.hero-note{font-size:17px;color:var(--muted);margin-bottom:20px;max-width:520px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--surface);border:1px solid var(--line);
  font-size:12px;font-weight:600;color:var(--text);
  padding:5px 12px;border-radius:999px;
}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--ok)}
.chip .dot.warn{background:var(--warn)}
.chip.mono{font-family:var(--font-mono);letter-spacing:.2px}
.hero-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);background:var(--surface)}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-figure .fig-tag{
  position:absolute;left:14px;bottom:14px;
  font-family:var(--font-mono);font-size:12px;color:#fff;
  background:rgba(7,22,20,.72);padding:4px 10px;border-radius:999px;
}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.steps::before{
  content:"";position:absolute;left:20px;right:20px;top:18px;height:1px;z-index:0;
  background-image:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px);
}
.step{position:relative;z-index:1}
.step-num{
  width:36px;height:36px;border-radius:50%;
  background:var(--surface);border:1.5px solid var(--brand-600);color:var(--brand-600);
  font-family:var(--font-mono);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.step h3{margin-top:16px;font-size:18px;font-weight:600;line-height:1.4}
.step p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted)}

/* ---------- 帮助卡 ---------- */
.help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.help-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  display:flex;flex-direction:column;
}
.help-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-200)}
.icon-box{
  width:44px;height:44px;border-radius:12px;background:var(--brand-50);
  display:flex;align-items:center;justify-content:center;color:var(--brand-600);
  margin-bottom:16px;flex-shrink:0;
}
.icon-box svg{width:22px;height:22px}
.help-card h3{font-size:19px;font-weight:600;line-height:1.4;margin-bottom:10px}
.help-card p{font-size:14px;line-height:1.75;color:var(--muted)}
.card-link{
  margin-top:auto;padding-top:16px;font-size:14px;font-weight:600;color:var(--brand-600);
  display:inline-flex;align-items:center;gap:6px;
}
.card-link .arrow{transition:transform .2s ease;display:inline-block}
.card-link:hover .arrow{transform:translateX(3px)}

/* ---------- 自检图文 ---------- */
.check-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:center}
.check-figure{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);background:var(--surface)}
.check-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:26px}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px 18px;transition:border-color .18s ease,transform .18s ease;
}
.check-item:hover{border-color:var(--brand-200);transform:translateY(-1px)}
.check-mark{
  width:22px;height:22px;border-radius:50%;background:var(--brand-50);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px;
}
.check-mark svg{width:13px;height:13px}
.check-item h4{font-size:15px;font-weight:600;line-height:1.5}
.check-item p{font-size:14px;color:var(--muted);margin-top:4px;line-height:1.7}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item.is-open{border-color:var(--brand-200);box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:18px 20px;font-size:16px;font-weight:600;line-height:1.5;color:var(--text);
}
.faq-icon{
  position:relative;width:16px;height:16px;flex-shrink:0;
  transition:transform .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-600);border-radius:2px;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--muted)}
.faq-item.is-open .faq-a{max-height:320px}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  background:var(--ink-900);color:#fff;padding:72px 0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:20px 20px;pointer-events:none;
}
.cta-inner{position:relative;z-index:1;max-width:760px;margin:0 auto;text-align:center}
.cta-inner h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.2px}
.cta-inner p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.72);line-height:1.8}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}
.cta-fine{margin-top:20px;font-size:12px;color:rgba(255,255,255,.5);font-family:var(--font-mono);letter-spacing:.2px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 26px;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:22px 22px;pointer-events:none;
}
.footer-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin-bottom:10px;max-width:340px}
.footer-status{
  display:inline-flex;align-items:center;gap:8px;margin-top:8px;
  font-size:12px;color:rgba(255,255,255,.66);
}
.footer-status .dot{width:6px;height:6px;border-radius:50%;background:var(--ok);flex-shrink:0}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);text-decoration:none}
.footer-col a:hover{color:var(--accent-500);text-decoration:none}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin-bottom:10px}
.footer-bottom{
  position:relative;z-index:1;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.copy{font-size:12px;color:rgba(255,255,255,.45);line-height:1.8}
.copy .mono{color:rgba(255,255,255,.45)}
.footer-mini{display:flex;flex-wrap:wrap;gap:18px}
.footer-mini a{font-size:12px;color:rgba(255,255,255,.55);text-decoration:none}
.footer-mini a:hover{color:var(--accent-500);text-decoration:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links,.nav-right{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-figure{max-width:560px}
  .help-grid{grid-template-columns:repeat(2,1fr)}
  .check-grid{grid-template-columns:1fr;gap:32px}
  .check-figure{max-width:620px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .page-hero{padding:34px 0 38px}
  .steps{grid-template-columns:1fr;gap:20px}
  .steps::before{display:none}
  .step{display:grid;grid-template-columns:36px 1fr;column-gap:14px;align-items:start}
  .step-num{grid-row:span 2}
  .step h3{margin-top:2px}
  .step p{margin-top:4px}
  .help-grid{grid-template-columns:1fr}
  .cta-band{padding:56px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:639px){
  .brand-main{font-size:18px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .nav-toggle{width:38px;height:38px}
  .cta-actions{flex-direction:column}
  .hero-copy h1{font-size:clamp(26px,7.6vw,32px)}
  .faq-q{padding:16px}
  .faq-a p{padding:0 16px 16px}
}

/* roulang page: category5 */
:root{
  --ink-900:#071614;
  --ink-800:#0C2420;
  --ink-700:#12332D;
  --brand-600:#0F7A69;
  --brand-500:#12907C;
  --brand-700:#0B5E51;
  --brand-200:#A9E3D8;
  --brand-50:#E9F6F2;
  --accent-500:#F2A63B;
  --accent-600:#D9871C;
  --paper:#F7F4ED;
  --surface:#FFFFFF;
  --line:#E4DED1;
  --text:#12201D;
  --muted:#5A6B66;
  --ok:#1F9D6B;
  --warn:#E0733A;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:14px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(7,22,20,.06),0 10px 24px -14px rgba(7,22,20,.22);
  --shadow-2:0 2px 4px rgba(7,22,20,.08),0 18px 36px -18px rgba(7,22,20,.28);
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular","JetBrains Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--font-mono)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;line-height:1.2;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent-500);color:#22160A}
.btn-primary:hover{background:var(--accent-600);color:#22160A;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;border-color:var(--brand-600);color:var(--brand-600)}
.btn-outline:hover{background:var(--brand-50);color:var(--brand-700);border-color:var(--brand-700)}
.btn-light{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.btn-light:hover{background:#fff;color:var(--ink-900);border-color:#fff}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px}
.btn-block{width:100%}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink-900);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.scrolled{border-bottom-color:rgba(255,255,255,.08);box-shadow:0 6px 20px -14px rgba(0,0,0,.9)}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:inline-flex;align-items:center;gap:9px;color:#fff;flex-shrink:0}
.brand:hover{text-decoration:none;color:#fff}
.brand-star{width:22px;height:22px;color:var(--accent-500);flex-shrink:0}
.brand-word{display:inline-flex;align-items:flex-start;gap:6px}
.brand-main{font-size:20px;font-weight:700;line-height:1;letter-spacing:.4px}
.brand-tag{
  font-size:11px;font-weight:600;line-height:1.1;
  color:var(--brand-200);
  background:rgba(15,122,105,.22);
  border:1px solid rgba(169,227,216,.42);
  border-radius:999px;padding:2px 6px;margin-top:-2px;white-space:nowrap;
}
.nav-links{display:flex;align-items:center;justify-content:center;gap:22px;flex:1}
.nav-links a{
  position:relative;
  color:rgba(255,255,255,.76);
  font-size:15px;line-height:1;
  padding:8px 2px;white-space:nowrap;
  transition:color .18s ease;
}
.nav-links a:hover{color:#fff;text-decoration:none}
.nav-links a.is-active{color:#fff}
.nav-links a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--accent-500);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.status-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;
  background:rgba(31,157,107,.16);
  border:1px solid rgba(31,157,107,.38);
  color:#8FE3C0;white-space:nowrap;
}
.status-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(31,157,107,.18);flex-shrink:0}
.countdown{
  font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.6px;
  color:#2A1B06;background:var(--accent-500);
  padding:6px 9px;border-radius:8px;white-space:nowrap;
}
.countdown-label{font-size:11px;color:rgba(255,255,255,.55);letter-spacing:.5px}
.nav-toggle{
  display:none;margin-left:auto;
  width:40px;height:40px;border-radius:10px;
  border:1px solid rgba(255,255,255,.22);background:transparent;
  cursor:pointer;padding:0;position:relative;
}
.nav-toggle span{
  position:absolute;left:11px;right:11px;height:2px;border-radius:2px;background:#fff;
  transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:19px}
.nav-toggle span:nth-child(3){top:24px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.mobile-drawer{
  display:none;
  position:fixed;left:0;right:0;top:68px;z-index:55;
  background:var(--ink-800);
  border-bottom:1px solid rgba(255,255,255,.1);
  padding:18px 20px 26px;
  transform:translateY(-130%);
  visibility:hidden;
  transition:transform .28s ease,visibility .28s ease;
}
.mobile-drawer.is-open{transform:translateY(0);visibility:visible}
.drawer-links{display:grid;gap:2px;margin-bottom:18px}
.drawer-links a{
  display:block;padding:12px 4px;
  color:rgba(255,255,255,.82);font-size:16px;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.drawer-links a:hover{color:#fff;text-decoration:none}
.drawer-links a.is-active{color:var(--accent-500);font-weight:700}
.drawer-foot{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.drawer-foot .btn{flex:1;min-width:160px}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  background:var(--brand-50);
  border-bottom:1px solid var(--line);
  padding:48px 0 46px;
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(15,122,105,.16) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.5;pointer-events:none;aria-hidden:true;
}
.cat-hero .container{position:relative;z-index:1}
.crumbs{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand-600);text-decoration:none}
.crumbs .sep{opacity:.55}
.cat-hero h1{
  font-size:clamp(30px,4.6vw,46px);
  line-height:1.2;letter-spacing:-.5px;font-weight:700;
  margin:16px 0 14px;
  color:var(--ink-900);
}
.cat-hero h1 .h1-dot{color:var(--brand-600);font-weight:700}
.lead{font-size:17px;line-height:1.7;color:var(--muted);max-width:660px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.state-chip{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:6px 12px;font-size:12px;font-weight:600;color:var(--muted);
}
.state-chip .dot{width:6px;height:6px;border-radius:50%;background:var(--ok);flex-shrink:0}
.state-chip.mono{font-family:var(--font-mono);letter-spacing:.4px}
.state-chip.accent{border-color:rgba(242,166,59,.55);background:rgba(242,166,59,.1);color:#8A5A0B}

/* ============ 板块 ============ */
.section{padding:88px 0;border-top:1px solid var(--line)}
.section:first-of-type{border-top:0}
.section-alt{background:var(--surface)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.section-head h2{
  position:relative;
  font-size:clamp(24px,3vw,30px);font-weight:700;line-height:1.3;letter-spacing:-.3px;
  color:var(--ink-900);
  padding-right:56px;
}
.section-head h2::after{
  content:"";position:absolute;right:0;top:50%;width:40px;height:1px;background:var(--brand-600);
}
.section-head h2::before{
  content:"";position:absolute;right:0;top:calc(50% - 1.5px);width:3px;height:3px;border-radius:50%;
  background:var(--brand-600);transform:translateX(-40px);
}
.section-sub{font-size:15px;color:var(--muted);margin-top:8px;max-width:620px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600)}
.link-arrow:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
.link-arrow svg{width:14px;height:14px;transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(3px)}

/* ============ 内容卡 ============ */
.feed-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  overflow:hidden;
  color:inherit;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);text-decoration:none;color:inherit;border-color:#D6CFBE}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E8E3D8}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.thumb-tag{
  position:absolute;left:12px;bottom:12px;
  font-size:11px;font-weight:600;letter-spacing:.4px;
  padding:4px 9px;border-radius:999px;
  background:rgba(7,22,20,.72);color:#fff;
  font-family:var(--font-mono);
}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px}
.chip{
  display:inline-flex;align-items:center;
  font-size:11px;font-weight:600;letter-spacing:.3px;
  color:var(--brand-600);background:var(--brand-50);
  border-radius:999px;padding:4px 9px;white-space:nowrap;
}
.post-title{
  font-size:19px;font-weight:600;line-height:1.42;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin:0;
}
.post-excerpt{
  font-size:14px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.post-time{font-family:var(--font-mono);font-size:12px;color:var(--muted);letter-spacing:.4px}
.post-more{font-size:13px;font-weight:600;color:var(--brand-600);display:inline-flex;align-items:center;gap:5px}
.post-card:hover .post-more{color:var(--brand-700)}
.post-more svg{width:13px;height:13px;transition:transform .2s ease}
.post-card:hover .post-more svg{transform:translateX(3px)}

/* 分页 */
.pagination{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin-top:44px}
.pagination a,.pagination span{
  min-width:42px;height:42px;padding:0 12px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface);color:var(--text);
  font-size:14px;font-family:var(--font-mono);font-weight:600;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.pagination a:hover{background:var(--brand-50);border-color:var(--brand-200);color:var(--brand-700);text-decoration:none;transform:translateY(-1px)}
.pagination .is-current{background:var(--brand-600);border-color:var(--brand-600);color:#fff}
.pagination .is-gap{border:0;background:transparent;min-width:24px;color:var(--muted)}
.pagination .page-next{font-family:var(--font-sans);font-size:13px}

/* ============ 更新节奏 ============ */
.rhythm{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.rhythm-copy h2{
  font-size:clamp(24px,3vw,30px);font-weight:700;line-height:1.3;color:var(--ink-900);
  padding-right:56px;position:relative;
}
.rhythm-copy h2::after{content:"";position:absolute;right:0;top:50%;width:40px;height:1px;background:var(--brand-600)}
.rhythm-copy p{font-size:15px;line-height:1.85;color:var(--muted);margin-top:14px;max-width:420px}
.rhythm-copy .link-arrow{margin-top:20px}
.rhythm-list{border-top:1px solid var(--line)}
.rhythm-item{
  display:grid;grid-template-columns:104px 1fr;gap:20px;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.rhythm-time{font-family:var(--font-mono);font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:.4px;padding-top:2px}
.rhythm-item h3{font-size:16px;font-weight:600;line-height:1.45;color:var(--ink-900)}
.rhythm-item p{font-size:14px;line-height:1.7;color:var(--muted);margin-top:4px}

/* ============ FAQ ============ */
.faq-list{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item.is-open{border-color:#CFE7DF;box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;cursor:pointer;
  font-size:16px;font-weight:600;line-height:1.5;color:var(--ink-900);text-align:left;
}
.faq-icon{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;
  border:1.5px solid var(--brand-200);color:var(--brand-600);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .22s ease,background-color .18s ease;
}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);background:var(--brand-50)}
.faq-a{display:none;padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--muted)}
.faq-item.is-open .faq-a{display:block}

/* ============ CTA 大条 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:#fff;
  padding:64px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:26px 26px;opacity:.16;pointer-events:none;
}
.cta-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;
}
.cta-inner h2{font-size:clamp(24px,3.2vw,32px);font-weight:700;line-height:1.32;letter-spacing:-.3px;color:#fff}
.cta-inner .cta-desc{font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);margin-top:14px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-note{
  flex-basis:100%;text-align:right;
  font-size:12px;line-height:1.7;color:rgba(255,255,255,.5);
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin-bottom:10px;max-width:340px}
.footer-status{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;color:rgba(255,255,255,.6);
  font-family:var(--font-mono);letter-spacing:.3px;margin-top:6px;
}
.footer-status .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);flex-shrink:0}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col li,.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62)}
.footer-col p{max-width:300px}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--accent-500);text-decoration:none}
.footer-bottom{
  margin-top:48px;padding:22px 0;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
}
.footer-bottom .copy{font-size:12px;color:rgba(255,255,255,.45);line-height:1.7}
.footer-bottom .copy .mono{font-size:12px;color:rgba(255,255,255,.45)}
.footer-mini{display:flex;flex-wrap:wrap;gap:18px}
.footer-mini a{font-size:12px;color:rgba(255,255,255,.55)}
.footer-mini a:hover{color:var(--accent-500);text-decoration:none}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .nav-links{gap:16px}
  .nav-links a{font-size:14px}
}
@media (max-width:1023px){
  .nav-links,.nav-right{display:none}
  .nav-toggle{display:block}
  .mobile-drawer{display:block}
  .feed-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rhythm{grid-template-columns:1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .cta-actions{justify-content:flex-start}
  .cta-note{text-align:left}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
}
@media (max-width:767px){
  .cat-hero{padding:36px 0}
  .lead{font-size:16px}
  .section{padding:56px 0}
  .section-head{margin-bottom:26px}
  .section-head h2{padding-right:0}
  .section-head h2::after,.section-head h2::before{display:none}
  .rhythm-copy h2{padding-right:0}
  .rhythm-copy h2::after{display:none}
  .rhythm-item{grid-template-columns:1fr;gap:6px;padding:16px 0}
  .cta-band{padding:52px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .feed-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .drawer-foot .btn{width:100%}
  .nav-inner{height:62px}
  .mobile-drawer{top:62px}
  .brand-main{font-size:18px}
  .brand-tag{font-size:10px}
  .post-title{font-size:18px}
  .pagination a,.pagination span{min-width:38px;height:38px;padding:0 10px;font-size:13px}
  .cta-actions{flex-direction:column;align-items:stretch}
}