/* roulang page: index */
:root{
  --brand-900:#08251f;
  --brand-800:#0d3b34;
  --brand-700:#125046;
  --brand-600:#1a6b5c;
  --lime:#b9e769;
  --lime-soft:#e8f7c9;
  --accent:#e08a3c;
  --bg:#f4f7f3;
  --surface:#ffffff;
  --ink:#16211f;
  --ink-soft:#4d5f5b;
  --ink-mute:#7b8d88;
  --line:#e2e9e4;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-sm:0 6px 18px rgba(8,37,31,.06);
  --shadow-md:0 18px 44px rgba(8,37,31,.12);
  --maxw:1160px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.78;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--brand-600)}
p{margin:0 0 14px}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.35;letter-spacing:-.01em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:3px solid var(--lime);
  outline-offset:3px;
  border-radius:8px;
}
.shell{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.site-header{position:sticky;top:0;z-index:60;padding:16px 0 8px}
.dock{
  display:flex;align-items:center;gap:14px;
  max-width:1000px;margin:0 auto;
  padding:10px 12px 10px 18px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:0 14px 34px rgba(8,37,31,.10);
  backdrop-filter:blur(14px);
}
.dock-logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--brand-800);font-size:16.5px;white-space:nowrap}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand-700),var(--brand-600));
  color:var(--lime);font-size:15px;flex:0 0 auto;
}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;
  color:var(--ink-soft);white-space:nowrap;
}
.nav-link:hover{background:#eef4ee;color:var(--brand-800)}
.nav-link.active{background:var(--brand-800);color:#fff}
.dock-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;
  background:var(--lime);color:#0b2f2a;font-weight:800;font-size:14.5px;
  white-space:nowrap;flex:0 0 auto;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.dock-cta:hover{background:#cbf07e;color:#0b2f2a;transform:translateY(-1px);box-shadow:0 8px 20px rgba(185,231,105,.42)}
.hero{
  position:relative;overflow:hidden;
  margin-top:-78px;padding:150px 0 92px;
  background:radial-gradient(1100px 460px at 10% 0%,#17594d 0%,#0d3b34 48%,#08251f 100%);
  color:#eaf3ee;
}
.hero::after{
  content:"";position:absolute;right:-12%;bottom:-40%;width:620px;height:620px;
  background:radial-gradient(closest-side,rgba(185,231,105,.26),rgba(185,231,105,0));
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:start}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:rgba(185,231,105,.14);border:1px solid rgba(185,231,105,.34);
  color:var(--lime);font-size:13.5px;font-weight:700;letter-spacing:.03em;
}
.hero h1{
  margin:20px 0 18px;
  font-size:clamp(26px,3.1vw,40px);
  color:#ffffff;letter-spacing:-.02em;line-height:1.3;
}
.hero-lead{color:#c4dcd3;font-size:16.5px;line-height:1.85;margin-bottom:24px;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.btn-primary{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 26px;border-radius:999px;border:0;
  background:var(--lime);color:#0b2f2a;font-weight:800;font-size:15.5px;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.btn-primary:hover{background:#cbf07e;color:#0b2f2a;transform:translateY(-2px);box-shadow:0 14px 30px rgba(185,231,105,.32)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 26px;border-radius:999px;
  border:1px solid rgba(255,255,255,.32);color:#eaf3ee;font-weight:700;font-size:15.5px;
  background:transparent;
}
.btn-ghost:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 24px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--brand-800);
  font-weight:700;font-size:15px;
}
.btn-outline:hover{background:#f2f8f1;border-color:#cfe0d6;color:var(--brand-700);transform:translateY(-1px)}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14.5px;color:#a8c8bd}
.hero-points i{color:var(--lime);font-size:13px}
.hero-map{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-lg);
  padding:20px;
  backdrop-filter:blur(8px);
}
.map-head{display:flex;align-items:center;gap:9px;font-weight:800;font-size:15.5px;color:#eaf3ee;margin-bottom:16px}
.map-head i{color:var(--lime)}
.map-head span{
  margin-left:auto;font-size:12px;font-weight:600;color:#9ec0b4;
  background:rgba(255,255,255,.08);padding:4px 10px;border-radius:999px;letter-spacing:.04em;
}
.map-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.map-tile{
  display:block;min-width:0;
  padding:14px;border-radius:14px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.10);
  transition:transform .22s ease,background-color .22s ease,border-color .22s ease;
}
.map-tile:hover{background:rgba(185,231,105,.14);border-color:rgba(185,231,105,.4);color:#eaf3ee;transform:translateY(-3px)}
.map-tile strong{display:flex;align-items:center;gap:8px;font-size:14.5px;color:#f2faf5;font-weight:700}
.map-tile strong i{color:var(--lime);font-size:13px}
.map-tile p{margin:6px 0 0;font-size:12.8px;line-height:1.65;color:#a8c8bd}
.map-near{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.16)}
.near-chip{
  font-size:12.5px;color:#cfe6db;padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
}
.near-chip:hover{background:rgba(185,231,105,.18);color:#eaf3ee;border-color:rgba(185,231,105,.4)}
.section{padding:82px 0}
.section--white{background:#fff}
.section--tight{padding:64px 0}
.section--dark{background:var(--brand-900);color:#dcece4}
.section-head{max-width:780px;margin-bottom:38px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-600);
}
.kicker::before{content:"";width:22px;height:2px;background:var(--lime);display:inline-block;border-radius:2px}
.sec-title{font-size:clamp(22px,2.4vw,30px);margin:12px 0 12px;color:var(--brand-900)}
.sec-desc{color:var(--ink-soft);font-size:15.8px;margin:0;line-height:1.85}
.section--dark .sec-title{color:#fff}
.section--dark .sec-desc{color:#a8c8bd}
.grid-2,.grid-3,.grid-4{display:grid;gap:20px;align-items:stretch}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
  min-width:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:24px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe0d6}
.card h3{font-size:17.5px;margin-bottom:10px;color:var(--brand-900)}
.card p{margin:0;font-size:14.8px;color:var(--ink-soft);line-height:1.8}
.ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:var(--lime-soft);color:var(--brand-700);font-size:18px;margin-bottom:15px;
}
.ico--warn{background:#fbeadd;color:#b65f1d}
.ico--dark{background:rgba(185,231,105,.16);color:var(--lime)}
.num-badge{
  display:inline-grid;place-items:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--brand-800);color:var(--lime);font-weight:800;font-size:15px;margin-bottom:14px;
}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.dl-card{
  min-width:0;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.dl-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#cfe0d6}
.dl-icon{
  width:52px;height:52px;border-radius:15px;display:grid;place-items:center;
  font-size:22px;margin-bottom:16px;color:#0b2f2a;background:var(--lime-soft);
}
.dl-card h3{font-size:18px;margin-bottom:6px;color:var(--brand-900)}
.dl-card .dl-file{font-size:12.5px;color:var(--ink-mute);letter-spacing:.03em;margin-bottom:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.dl-card p{font-size:14.5px;color:var(--ink-soft);margin-bottom:20px;flex:1 1 auto}
.dl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 18px;border-radius:12px;font-weight:800;font-size:15px;
  background:var(--brand-800);color:#fff;
  transition:background-color .2s ease,transform .2s ease;
}
.dl-btn:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px)}
.tip-bar{
  display:flex;gap:12px;align-items:flex-start;
  margin-top:24px;padding:16px 20px;border-radius:14px;
  background:#fdf6ee;border:1px solid #f2dfc9;color:#7a5a35;font-size:14.5px;
}
.tip-bar i{color:var(--accent);margin-top:4px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.check-list{display:grid;gap:14px}
.check-item{
  display:flex;gap:14px;min-width:0;
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.check-item:hover{border-color:#cfe0d6;box-shadow:var(--shadow-sm)}
.check-item i{color:var(--brand-600);margin-top:5px;font-size:16px;flex:0 0 auto}
.check-item strong{display:block;color:var(--brand-900);font-size:15.6px;margin-bottom:4px}
.check-item p{margin:0;font-size:14.4px;color:var(--ink-soft)}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{
  min-width:0;position:relative;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step-num{
  display:inline-grid;place-items:center;width:32px;height:32px;border-radius:10px;
  background:var(--lime-soft);color:var(--brand-700);font-weight:800;font-size:14.5px;margin-bottom:12px;
}
.step h3{font-size:16.5px;margin-bottom:8px;color:var(--brand-900)}
.step p{font-size:14.2px;color:var(--ink-soft);margin:0}
.table-wrap{
  overflow-x:auto;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);
}
.data-table{width:100%;border-collapse:collapse;min-width:640px;font-size:15px}
.data-table th{
  background:#eff5ee;text-align:left;padding:15px 18px;font-weight:800;
  color:var(--brand-800);white-space:nowrap;font-size:14.5px;
}
.data-table td{padding:15px 18px;border-top:1px solid var(--line);color:var(--ink-soft);white-space:nowrap}
.data-table tbody tr:hover td{background:#f8fbf7}
.data-table td:first-child{color:var(--brand-900);font-weight:700}
.cell-down{color:#b65f1d;font-weight:700}
.table-note{margin:16px 0 0;font-size:13.8px;color:var(--ink-mute)}
.line-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.line-card{
  min-width:0;padding:24px;border-radius:var(--radius-md);
  background:linear-gradient(160deg,#0d3b34,#0a2f28);
  color:#dcece4;border:1px solid rgba(255,255,255,.08);
}
.line-card h3{font-size:17.5px;color:#fff;margin-bottom:10px;display:flex;align-items:center;gap:9px}
.line-card h3 i{color:var(--lime);font-size:15px}
.line-card p{margin:0;font-size:14.4px;color:#a8c8bd;line-height:1.8}
.qa-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.qa-item{
  min-width:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);padding:22px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.qa-item:hover{border-color:#cfe0d6;box-shadow:var(--shadow-sm)}
.qa-q{display:flex;gap:10px;align-items:flex-start;font-weight:800;color:var(--brand-900);font-size:15.8px;margin-bottom:10px}
.qa-q i{color:var(--accent);margin-top:5px;font-size:14px;flex:0 0 auto}
.qa-a{margin:0;font-size:14.6px;color:var(--ink-soft)}
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.compare-col{min-width:0;border-radius:var(--radius-md);padding:26px;border:1px solid var(--line);background:#fff}
.compare-col.is-bad{background:#fdf6f1;border-color:#f2dfc9}
.compare-col.is-good{background:#f3faf3;border-color:#cfe6d5}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:17.5px;margin-bottom:16px}
.compare-col.is-bad h3{color:#9c4f16}
.compare-col.is-good h3{color:var(--brand-700)}
.compare-col ul{display:grid;gap:12px}
.compare-col li{display:flex;gap:10px;font-size:14.6px;color:var(--ink-soft)}
.compare-col li i{margin-top:5px;font-size:13px;flex:0 0 auto}
.compare-col.is-bad li i{color:#c07a3f}
.compare-col.is-good li i{color:var(--brand-600)}
.channel-card{
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  background:linear-gradient(120deg,#0d3b34,#17594d);
  border-radius:var(--radius-lg);padding:34px;color:#eaf3ee;
  box-shadow:var(--shadow-md);
}
.channel-card .channel-body{flex:1 1 320px;min-width:0}
.channel-card h3{font-size:clamp(19px,2vw,23px);color:#fff;margin-bottom:10px}
.channel-card p{margin:0;color:#a8c8bd;font-size:15px;max-width:640px}
.channel-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  color:var(--lime);background:rgba(185,231,105,.14);border:1px solid rgba(185,231,105,.34);
  padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.news-layout{display:grid;grid-template-columns:1.4fr .6fr;gap:28px;align-items:start}
.news-list{display:grid;gap:14px}
.news-item{
  display:block;min-width:0;
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfe0d6}
.news-item h3{font-size:16.8px;margin-bottom:8px;color:var(--brand-900);line-height:1.55}
.news-item p{margin:0 0 12px;font-size:14.4px;color:var(--ink-soft)}
.news-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12.8px;color:var(--ink-mute)}
.news-meta span{display:inline-flex;align-items:center;gap:6px}
.news-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:22px}
.news-side h3{font-size:16px;color:var(--brand-900);margin-bottom:16px;display:flex;align-items:center;gap:9px}
.news-side h3 i{color:var(--accent);font-size:14px}
.news-side ul{display:grid;gap:12px}
.news-side li{min-width:0}
.side-link{display:block;font-size:14.2px;color:var(--ink-soft);line-height:1.7;padding-bottom:12px;border-bottom:1px dashed var(--line)}
.news-side li:last-child .side-link{border-bottom:0;padding-bottom:0}
.side-link:hover{color:var(--brand-600)}
.empty-note{padding:18px 20px;border-radius:14px;background:#fff;border:1px dashed var(--line);color:var(--ink-mute);font-size:14.5px}
.notice-box{
  background:linear-gradient(135deg,#0d3b34,#0a2f28);
  color:#dcece4;border-radius:var(--radius-lg);padding:34px;
  border:1px solid rgba(255,255,255,.08);
}
.notice-box h2{font-size:clamp(20px,2.2vw,26px);color:#fff;margin-bottom:14px}
.notice-box > p{color:#a8c8bd;font-size:15.2px;max-width:820px}
.notice-list{display:grid;gap:12px;margin-top:20px}
.notice-list li{display:flex;gap:12px;font-size:14.6px;color:#cfe6db}
.notice-list i{color:var(--lime);margin-top:5px;font-size:13px;flex:0 0 auto}
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#cfe0d6;box-shadow:var(--shadow-sm)}
.faq-item summary{
  padding:18px 22px;cursor:pointer;font-weight:800;color:var(--brand-900);
  font-size:15.8px;list-style:none;display:flex;align-items:center;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  color:var(--brand-600);margin-left:auto;transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item[open] summary{background:#f4f8f4}
.faq-a{padding:0 22px 20px;font-size:14.8px;color:var(--ink-soft);line-height:1.9}
.cta-band{
  background:radial-gradient(800px 320px at 20% 0%,#17594d,#0b322b);
  border-radius:var(--radius-lg);padding:46px 38px;color:#eaf3ee;text-align:center;
  box-shadow:var(--shadow-md);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);color:#fff;margin-bottom:14px}
.cta-band p{max-width:720px;margin:0 auto 26px;color:#a8c8bd;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.site-footer{background:#08251f;color:#a9c3ba;padding:62px 0 26px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#eaf3ee;font-weight:800;font-size:16.5px;margin-bottom:14px}
.footer-brand .logo-mark{background:rgba(185,231,105,.18);color:var(--lime)}
.site-footer p{color:#87a79c;font-size:14px;line-height:1.85;margin:0}
.footer-title{color:#eaf3ee;font-weight:800;font-size:15px;margin-bottom:14px}
.footer-links{display:grid;gap:10px}
.footer-links a{color:#9fbcb1;font-size:14px}
.footer-links a:hover{color:var(--lime)}
.friend-block{margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1)}
.friend-title{color:#eaf3ee;font-weight:800;font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.friend-title i{color:var(--lime);font-size:13px}
.friend-links{display:flex;flex-wrap:wrap;gap:10px 18px}
.friend-links a{
  font-size:13.6px;color:#9fbcb1;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);
  transition:color .2s ease,background-color .2s ease,border-color .2s ease;
}
.friend-links a:hover{color:var(--lime);background:rgba(185,231,105,.12);border-color:rgba(185,231,105,.3)}
.copyright{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  color:#6f9186;font-size:13.2px;
}
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero{padding:140px 0 76px}
  .grid-3,.grid-4,.dl-grid,.steps,.line-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-layout{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:66px 0}
}
@media(max-width:768px){
  .dock{flex-wrap:wrap;border-radius:22px;padding:12px 14px;gap:10px}
  .dock-nav{order:3;width:100%;margin-left:0;overflow-x:auto;gap:4px;padding-bottom:2px;scrollbar-width:none}
  .dock-nav::-webkit-scrollbar{display:none}
  .dock-cta{margin-left:auto}
  .grid-2,.grid-3,.grid-4,.dl-grid,.steps,.line-grid,.qa-grid,.compare{grid-template-columns:1fr}
  .map-grid{grid-template-columns:1fr}
  .hero{margin-top:-92px;padding:132px 0 64px}
  .section{padding:54px 0}
  .cta-band{padding:34px 22px}
  .notice-box{padding:26px}
  .channel-card{padding:26px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .shell{padding:0 16px}
}
@media(max-width:520px){
  body{font-size:15.5px}
  .hero-lead{font-size:15.5px}
  .hero-actions .btn-primary,.hero-actions .btn-ghost{width:100%;justify-content:center}
  .cta-actions .btn-primary,.cta-actions .btn-outline{width:100%;justify-content:center}
  .dock-logo{font-size:15px}
  .dock-cta{padding:9px 14px;font-size:13.5px}
  .card,.dl-card,.qa-item,.step{padding:20px}
}

/* roulang page: article */
:root{
  --brand-900:#08251f;
  --brand-800:#0d3b34;
  --brand-700:#125046;
  --brand-600:#1a6b5c;
  --lime:#b9e769;
  --lime-soft:#e8f7c9;
  --accent:#e08a3c;
  --bg:#f4f7f3;
  --surface:#ffffff;
  --ink:#16211f;
  --ink-soft:#4d5f5b;
  --ink-mute:#7b8d88;
  --line:#e2e9e4;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-sm:0 6px 18px rgba(8,37,31,.06);
  --shadow-md:0 18px 44px rgba(8,37,31,.12);
  --maxw:1160px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.78;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
a:hover{color:var(--brand-600)}
button{font-family:inherit}
ul,ol{margin:0;padding:0}
li{list-style:none}
p{margin:0 0 14px}
a:focus-visible,button:focus-visible{
  outline:3px solid var(--lime);
  outline-offset:3px;
  border-radius:8px;
}
.shell{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:16px 0 8px}
.dock{
  display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:999px;
  padding:10px 14px 10px 18px;
  box-shadow:var(--shadow-sm);
  backdrop-filter:blur(12px);
}
.dock-logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--brand-800);font-size:16.5px;white-space:nowrap}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand-700),var(--brand-600));
  color:var(--lime);font-size:15px;flex:0 0 auto;
}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;
  color:var(--ink-soft);white-space:nowrap;
}
.nav-link:hover{background:#eef4ee;color:var(--brand-800)}
.nav-link.active{background:var(--brand-800);color:#fff}
.dock-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;
  background:var(--lime);color:#0b2f2a;font-weight:800;font-size:14.5px;
  white-space:nowrap;flex:0 0 auto;
}
.dock-cta:hover{background:#cbf07e;color:#0b2f2a;transform:translateY(-1px);box-shadow:0 8px 20px rgba(185,231,105,.42)}

/* ---------- 文章页主体 ---------- */
.post-main{padding:26px 0 84px}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--ink-mute);margin-bottom:18px;
}
.crumb a{color:var(--ink-soft);font-weight:600}
.crumb a:hover{color:var(--brand-600)}
.crumb i{font-size:10px;color:#b7c6c0}
.post-layout{display:grid;grid-template-columns:minmax(0,1fr) 322px;gap:26px;align-items:start}
.post-card{
  min-width:0;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(22px,3vw,42px);
  box-shadow:var(--shadow-sm);
}
.post-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.8px;font-weight:700;letter-spacing:.02em;
  padding:5px 12px;border-radius:999px;
  background:#f0f5ef;color:var(--brand-700);border:1px solid var(--line);
}
.chip-cat{background:var(--lime-soft);color:#2c4a1f;border-color:#d8ecb2}
.chip-accent{background:#fdf1e4;color:#9a5b19;border-color:#f4ddc4}
.post-title{
  font-size:clamp(24px,2.9vw,34px);
  line-height:1.34;letter-spacing:-.01em;
  color:var(--brand-900);margin:0 0 16px;font-weight:800;
}
.post-desc{
  font-size:15.4px;color:var(--ink-soft);
  background:#f5f9f4;border-left:3px solid var(--lime);
  border-radius:0 12px 12px 0;
  padding:14px 18px;margin:0 0 20px;
}
.post-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  font-size:13.4px;color:var(--ink-mute);
  border-bottom:1px dashed var(--line);
  padding-bottom:18px;margin-bottom:26px;
}
.post-meta span{display:inline-flex;align-items:center;gap:7px;min-width:0}
.post-meta i{color:var(--brand-600);font-size:12.5px}

.article-body{max-width:720px;font-size:16.2px;color:#22322e;line-height:1.86}
.article-body h2{
  font-size:21px;margin:36px 0 14px;padding-left:13px;
  border-left:4px solid var(--lime);color:var(--brand-900);line-height:1.5;
}
.article-body h3{font-size:17.5px;margin:26px 0 10px;color:var(--brand-800)}
.article-body h4{font-size:16px;margin:22px 0 8px;color:var(--brand-800)}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body ul li{list-style:disc;margin-bottom:8px}
.article-body ol li{list-style:decimal;margin-bottom:8px}
.article-body strong{color:var(--brand-800)}
.article-body blockquote{
  margin:20px 0;padding:16px 20px;background:#f3f8f2;
  border-left:4px solid var(--brand-600);border-radius:0 12px 12px 0;color:var(--ink-soft);
}
.article-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.6px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.article-body th{background:#f2f7f1;color:var(--brand-800);font-weight:700}
.article-body img{border-radius:12px;margin:18px 0}
.article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-800)}

.empty-state{padding:28px;background:#f6f9f5;border:1px dashed #cfe0d6;border-radius:14px}
.empty-state h2{font-size:19px;margin:0 0 10px;color:var(--brand-900)}
.empty-state p{color:var(--ink-soft);margin-bottom:18px}

/* ---------- 侧栏 ---------- */
.post-side{position:sticky;top:96px;display:grid;gap:16px;min-width:0}
.side-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-sm);
}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:14.8px;font-weight:800;color:var(--brand-900);
  margin-bottom:12px;letter-spacing:.01em;
}
.side-title i{color:var(--brand-600);font-size:13px}
.side-list{font-size:14.2px;color:var(--ink-soft)}
.side-list li{
  display:flex;gap:9px;padding:9px 0;border-bottom:1px dashed var(--line);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list i{color:var(--brand-600);font-size:11px;margin-top:6px;flex:0 0 auto}
.side-note{font-size:13.6px;color:var(--ink-mute);line-height:1.85;margin:0}
.side-card--dark{background:var(--brand-900);border-color:#12463d}
.side-card--dark .side-title{color:#fff}
.side-card--dark .side-title i{color:var(--lime)}
.side-card--dark p{color:#a8c8bd;font-size:13.8px;margin:0}
.side-dl{display:grid;gap:9px;margin-top:14px}
.side-dl a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 14px;border-radius:12px;
  background:#fff;border:1px solid var(--line);
  font-size:13.8px;font-weight:700;color:var(--brand-800);
  min-width:0;
}
.side-dl a:hover{border-color:#cfe0d6;background:#f2f8f1;color:var(--brand-700)}
.side-dl a span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.side-dl a i{color:var(--brand-600);flex:0 0 auto}

/* ---------- 内容板块 ---------- */
.sec{padding:72px 0}
.sec--white{background:#fff}
.sec--tight{padding:56px 0}
.sec-head{max-width:760px;margin-bottom:34px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.8px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  color:var(--brand-600);margin-bottom:10px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--brand-600);border-radius:2px}
.sec-title{font-size:clamp(21px,2.3vw,29px);color:var(--brand-900);margin:0 0 12px;line-height:1.42;font-weight:800}
.sec-desc{color:var(--ink-soft);font-size:15.4px;margin:0}

.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.info-card{
  min-width:0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:24px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe0d6}
.info-card h3{font-size:17px;margin:0 0 10px;color:var(--brand-900)}
.info-card p{font-size:14.6px;color:var(--ink-soft);margin:0}
.num-badge{
  display:inline-grid;place-items:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--brand-800);color:var(--lime);
  font-weight:800;font-size:15px;margin-bottom:14px;
}
.step-list{display:grid;gap:14px}
.step-item{
  display:grid;grid-template-columns:52px minmax(0,1fr);gap:18px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:22px 24px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.step-item:hover{border-color:#cfe0d6;box-shadow:var(--shadow-sm)}
.step-idx{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:var(--lime-soft);color:#2c4a1f;font-weight:800;font-size:15px;
}
.step-item h3{font-size:16.8px;margin:0 0 8px;color:var(--brand-900)}
.step-item p{font-size:14.6px;color:var(--ink-soft);margin:0}

.mis-list{display:grid;gap:12px}
.mis-item{
  display:grid;grid-template-columns:minmax(0,1fr);gap:6px;
  padding:18px 22px;border-radius:var(--radius-md);
  background:#fff;border:1px solid var(--line);
  border-left:4px solid var(--accent);
}
.mis-item strong{font-size:15.6px;color:var(--brand-900)}
.mis-item span{font-size:14.4px;color:var(--ink-soft)}

.risk-band{background:var(--brand-900);color:#dcece4;padding:64px 0}
.risk-band .sec-title{color:#fff}
.risk-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:start}
.risk-band p{color:#a8c8bd;font-size:15px;margin:0 0 12px}
.risk-list{display:grid;gap:10px;margin-top:8px}
.risk-list li{display:flex;gap:10px;font-size:14.6px;color:#c4dcd3}
.risk-list i{color:var(--lime);font-size:12px;margin-top:6px;flex:0 0 auto}
.risk-box{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-md);padding:22px;
}
.risk-box .side-title{color:#fff}
.risk-box p{font-size:14.2px;color:#a8c8bd;margin:0}

/* ---------- 下载 ---------- */
.dl-panel{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:clamp(22px,3vw,38px);
  box-shadow:var(--shadow-sm);
}
.dl-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:28px;align-items:end;margin-bottom:26px}
.dl-head h2{font-size:clamp(20px,2.2vw,26px);margin:10px 0 10px;color:var(--brand-900)}
.dl-head p{font-size:14.8px;color:var(--ink-soft);margin:0}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.dl-card{
  min-width:0;display:flex;flex-direction:column;gap:12px;
  padding:22px;border-radius:var(--radius-md);
  border:1px solid var(--line);background:#fbfdfa;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease,background-color .25s ease;
}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe0d6;background:#fff;color:inherit}
.dl-ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-800);color:var(--lime);font-size:17px;
}
.dl-card h3{font-size:16px;margin:0;color:var(--brand-900)}
.dl-card p{font-size:13.8px;color:var(--ink-soft);margin:0;line-height:1.75}
.dl-file{
  font-size:12.6px;color:var(--ink-mute);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  word-break:break-word;
}
.dl-go{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-weight:800;font-size:14px;color:var(--brand-700);
}
.dl-card:hover .dl-go{color:var(--brand-600)}
.dl-foot{margin-top:20px;font-size:13.4px;color:var(--ink-mute);line-height:1.8}

/* ---------- 频道入口 ---------- */
.channel-card{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:center;
  background:linear-gradient(135deg,#f2f8f1,#ffffff);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(20px,3vw,32px);
}
.channel-card h3{font-size:18px;margin:0 0 8px;color:var(--brand-900)}
.channel-card p{font-size:14.6px;color:var(--ink-soft);margin:0;max-width:640px}
.btn-outline{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 24px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--brand-800);
  font-weight:700;font-size:14.6px;white-space:nowrap;
}
.btn-outline:hover{background:#f2f8f1;border-color:#cfe0d6;color:var(--brand-700);transform:translateY(-1px)}
.btn-primary{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 26px;border-radius:999px;border:0;
  background:var(--lime);color:#0b2f2a;font-weight:800;font-size:15.2px;
}
.btn-primary:hover{background:#cbf07e;color:#0b2f2a;transform:translateY(-2px);box-shadow:0 14px 30px rgba(185,231,105,.32)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#c4dcd3;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:30px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;font-size:17px;margin-bottom:14px}
.site-footer p{font-size:14px;line-height:1.9;color:#a8c8bd;margin:0;max-width:430px}
.footer-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:12px;letter-spacing:.04em}
.footer-links{display:grid;gap:9px;font-size:14px}
.footer-links a{color:#a8c8bd}
.footer-links a:hover{color:var(--lime)}
.friend-block{border-top:1px solid rgba(255,255,255,.12);margin-top:32px;padding-top:22px}
.friend-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.friend-title i{color:var(--lime);font-size:12px}
.friend-links{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:13.6px}
.friend-links a{color:#a8c8bd}
.friend-links a:hover{color:var(--lime)}
.copyright{
  border-top:1px solid rgba(255,255,255,.12);margin-top:26px;padding-top:18px;
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
  font-size:13px;color:#8faea3;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .post-layout{grid-template-columns:minmax(0,1fr);gap:22px}
  .post-side{position:static}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .risk-inner{grid-template-columns:minmax(0,1fr);gap:24px}
  .dl-head{grid-template-columns:minmax(0,1fr);align-items:start}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .dock{flex-wrap:wrap;border-radius:22px;padding:12px 14px;gap:10px}
  .dock-nav{
    width:100%;order:3;margin-left:0;justify-content:flex-start;
    overflow-x:auto;scrollbar-width:none;padding-bottom:2px;
  }
  .dock-nav::-webkit-scrollbar{display:none}
  .dock-cta{margin-left:auto}
  .article-body{font-size:15.8px}
}
@media (max-width:768px){
  .sec{padding:54px 0}
  .sec--tight{padding:44px 0}
  .grid-3,.grid-2{grid-template-columns:minmax(0,1fr)}
  .step-item{grid-template-columns:minmax(0,1fr);gap:12px;padding:20px}
  .channel-card{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px}
}
@media (max-width:520px){
  .shell{padding:0 16px}
  .dl-grid{grid-template-columns:minmax(0,1fr)}
  .post-card{padding:20px}
  .post-title{font-size:22px}
  .article-body h2{font-size:19px}
  .risk-band{padding:48px 0}
  .dock-logo span:last-child{font-size:15px}
  .dock-cta{padding:9px 14px;font-size:13.6px}
  .copyright{justify-content:flex-start}
}

/* roulang page: category1 */
:root{
  --brand-900:#08251f;
  --brand-800:#0d3b34;
  --brand-700:#125046;
  --brand-600:#1a6b5c;
  --lime:#b9e769;
  --lime-soft:#e8f7c9;
  --accent:#e08a3c;
  --bg:#f4f7f3;
  --surface:#ffffff;
  --ink:#16211f;
  --ink-soft:#4d5f5b;
  --ink-mute:#7b8d88;
  --line:#e2e9e4;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-sm:0 6px 18px rgba(8,37,31,.06);
  --shadow-md:0 18px 44px rgba(8,37,31,.12);
  --maxw:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.78;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--brand-600)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 14px}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:3px solid var(--lime);
  outline-offset:3px;
  border-radius:8px;
}
.shell{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ===== header dock ===== */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0 6px}
.dock{
  display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.94);
  border:1px solid rgba(226,233,228,.95);
  border-radius:999px;
  padding:10px 14px 10px 18px;
  box-shadow:0 12px 30px rgba(8,37,31,.10);
  backdrop-filter:blur(12px);
}
.dock-logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--brand-800);font-size:16.5px;white-space:nowrap}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand-700),var(--brand-600));
  color:var(--lime);font-size:15px;flex:0 0 auto;
}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;
  color:var(--ink-soft);white-space:nowrap;
}
.nav-link:hover{background:#eef4ee;color:var(--brand-800)}
.nav-link.active{background:var(--brand-800);color:#fff}
.dock-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;
  background:var(--lime);color:#0b2f2a;font-weight:800;font-size:14.5px;
  white-space:nowrap;flex:0 0 auto;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.dock-cta:hover{background:#cbf07e;color:#0b2f2a;transform:translateY(-1px);box-shadow:0 8px 20px rgba(185,231,105,.42)}

/* ===== buttons ===== */
.btn-primary{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 26px;border-radius:999px;border:0;
  background:var(--brand-800);color:#fff;font-weight:800;font-size:15.5px;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(13,59,52,.24)}
.btn-outline{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 24px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--brand-800);
  font-weight:700;font-size:15px;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease;
}
.btn-outline:hover{background:#f2f8f1;border-color:#cfe0d6;color:var(--brand-700);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn-lime{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 26px;border-radius:999px;border:0;
  background:var(--lime);color:#0b2f2a;font-weight:800;font-size:15.5px;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.btn-lime:hover{background:#cbf07e;color:#0b2f2a;transform:translateY(-2px);box-shadow:0 14px 30px rgba(185,231,105,.32)}

/* ===== category hero ===== */
.cat-hero{
  position:relative;overflow:hidden;
  padding:38px 0 62px;
  background:
    radial-gradient(880px 380px at 90% -16%,#ddf1dc 0%,rgba(221,241,220,0) 62%),
    linear-gradient(180deg,#eef4ee 0%,#f4f7f3 100%);
}
.cat-hero::after{
  content:"";position:absolute;left:-170px;bottom:-230px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(185,231,105,.30),rgba(185,231,105,0));
  pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.06fr .94fr;gap:40px;align-items:start}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-mute);margin-bottom:18px}
.crumb a{color:var(--brand-600);font-weight:600}
.crumb .sep{color:#c3cfc8}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--lime-soft);color:var(--brand-700);
  font-size:13px;font-weight:700;border:1px solid #d5ecb2;
}
h1.cat-title{
  font-size:clamp(25px,3vw,37px);
  line-height:1.32;letter-spacing:-.02em;
  color:var(--brand-900);margin:16px 0 14px;
}
.cat-lead{color:var(--ink-soft);font-size:16px;max-width:620px;margin-bottom:22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag{
  padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:var(--brand-700);font-weight:600;box-shadow:var(--shadow-sm);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}

.calc-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);padding:24px;min-width:0;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px dashed var(--line);margin-bottom:14px}
.panel-title{font-weight:800;color:var(--brand-900);font-size:16px}
.panel-badge{font-size:12px;padding:4px 10px;border-radius:999px;background:var(--lime-soft);color:var(--brand-700);font-weight:700;white-space:nowrap}
.metric-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid #f0f4f1;font-size:14.5px}
.metric-row:last-of-type{border-bottom:0}
.metric-row span{color:var(--ink-mute);min-width:0}
.metric-row strong{color:var(--brand-800);font-variant-numeric:tabular-nums;white-space:nowrap}
.panel-note{margin-top:14px;font-size:12.5px;color:var(--ink-mute);line-height:1.7}

/* ===== sections ===== */
.section{padding:78px 0}
.section--tight{padding:62px 0}
.section--white{background:#fff}
.section--soft{background:#eef4ee}
.section--dark{background:var(--brand-900);color:#dcece4}
.section-head{max-width:800px;margin-bottom:36px}
.sec-title{font-size:clamp(21px,2.4vw,30px);margin:12px 0 12px;color:var(--brand-900);letter-spacing:-.01em}
.sec-desc{margin:0;color:var(--ink-soft);font-size:15.5px}
.section--dark .sec-title{color:#fff}
.section--dark .sec-desc{color:#a8c8bd}

.grid-2x,.grid-3x,.grid-4x{display:grid;gap:20px;align-items:stretch}
.grid-2x{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3x{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4x{grid-template-columns:repeat(4,minmax(0,1fr))}

.info-card{
  min-width:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:24px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe0d6}
.info-card h3{font-size:17px;margin:0 0 10px;color:var(--brand-900)}
.info-card p{margin:0;font-size:14.6px;color:var(--ink-soft)}
.info-card .formula{
  display:block;margin-top:14px;padding:10px 12px;border-radius:var(--radius-sm);
  background:#f4f8f4;border:1px dashed #d8e5da;color:var(--brand-700);
  font-size:13.5px;font-weight:700;font-variant-numeric:tabular-nums;
}
.num-badge{
  display:inline-grid;place-items:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--brand-800);color:var(--lime);font-weight:800;font-size:15px;margin-bottom:14px;
}

/* ratio rows */
.ratio-list{display:grid;gap:12px}
.ratio-row{
  display:grid;grid-template-columns:120px 1fr 1.15fr;gap:18px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:16px 20px;min-width:0;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.ratio-row:hover{border-color:#cfe0d6;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.ratio-mult{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--brand-800);font-size:15.5px}
.ratio-mult .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);flex:0 0 auto}
.ratio-impact{font-size:14.5px;color:var(--accent);font-weight:700}
.ratio-desc{font-size:14.2px;color:var(--ink-soft);min-width:0}

/* steps */
.step-list{display:grid;gap:16px}
.step-item{
  display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px 22px;min-width:0;
}
.step-no{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-800);color:var(--lime);font-weight:800;font-size:17px;
}
.step-item h3{font-size:16.5px;margin:0 0 6px;color:var(--brand-900)}
.step-item p{margin:0;font-size:14.5px;color:var(--ink-soft)}

/* check list */
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 22px}
.check-item{
  display:flex;gap:12px;align-items:flex-start;min-width:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:14px 16px;font-size:14.6px;color:var(--ink-soft);
}
.check-item i{color:var(--brand-600);margin-top:4px;flex:0 0 auto}
.check-item strong{color:var(--brand-900);font-weight:700}

/* faq */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:4px 22px;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#cfe0d6;box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 0;
  font-weight:700;color:var(--brand-900);font-size:16px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  color:var(--brand-600);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-body{padding:0 0 18px;color:var(--ink-soft);font-size:14.8px}
.faq-body p:last-child{margin-bottom:0}

/* cms posts */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{
  display:flex;flex-direction:column;min-width:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfe0d6;color:inherit}
.post-cat{font-size:12.5px;font-weight:700;color:var(--brand-600);background:var(--lime-soft);border-radius:999px;padding:4px 12px;align-self:flex-start;margin-bottom:12px}
.post-card h3{font-size:16.5px;margin:0 0 10px;color:var(--brand-900);line-height:1.55}
.post-card p{font-size:14.3px;color:var(--ink-soft);margin:0 0 14px}
.post-date{margin-top:auto;font-size:13px;color:var(--ink-mute)}
.list-empty{
  background:#fff;border:1px dashed #d8e5da;border-radius:var(--radius-md);
  padding:26px;text-align:center;color:var(--ink-mute);font-size:14.5px;
}

/* download band */
.dl-band{
  position:relative;overflow:hidden;
  background:radial-gradient(760px 340px at 84% 8%,#17594d 0%,#0d3b34 52%,#08251f 100%);
  color:#dfeee7;padding:70px 0;
}
.dl-band::after{
  content:"";position:absolute;right:-120px;bottom:-200px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(185,231,105,.24),rgba(185,231,105,0));pointer-events:none;
}
.dl-inner{position:relative;z-index:1}
.dl-head{max-width:720px;margin-bottom:30px}
.dl-head h2{font-size:clamp(21px,2.4vw,30px);color:#fff;margin:12px 0 12px}
.dl-head p{color:#a8c8bd;margin:0;font-size:15.5px}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.dl-card{
  display:flex;flex-direction:column;min-width:0;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-lg);
  padding:24px;
  transition:transform .25s ease,background-color .25s ease,border-color .25s ease;
}
.dl-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.11);border-color:rgba(185,231,105,.42)}
.dl-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(185,231,105,.16);color:var(--lime);font-size:18px;margin-bottom:14px;
}
.dl-card h3{font-size:16.5px;color:#fff;margin:0 0 6px}
.dl-card p{font-size:13.8px;color:#a8c8bd;margin:0 0 18px}
.dl-btn{
  margin-top:auto;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;border-radius:999px;background:var(--lime);color:#0b2f2a;
  font-weight:800;font-size:14.5px;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.dl-btn:hover{background:#cbf07e;color:#0b2f2a;transform:translateY(-1px);box-shadow:0 10px 24px rgba(185,231,105,.34)}
.dl-note{margin-top:22px;font-size:12.8px;color:#8fb3a8}

/* footer */
.site-footer{background:var(--brand-900);color:#c8dbd3;padding:60px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.10)}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;font-size:16.5px;margin-bottom:14px}
.site-footer p{font-size:14px;color:#9ebbb2;margin:0;line-height:1.8}
.footer-title{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#9ebbb2}
.footer-links a:hover{color:var(--lime)}
.friend-block{padding:26px 0 0}
.friend-title{display:flex;align-items:center;gap:8px;font-size:14.5px;font-weight:800;color:#fff;margin-bottom:14px}
.friend-title i{color:var(--lime)}
.friend-links{display:flex;flex-wrap:wrap;gap:10px 18px}
.friend-links a{font-size:13.8px;color:#9ebbb2}
.friend-links a:hover{color:var(--lime)}
.copyright{
  margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:#7f9e95;
}

/* ===== responsive ===== */
@media (max-width:1024px){
  .cat-hero-inner{grid-template-columns:1fr;gap:30px}
  .grid-4x{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3x,.post-grid,.dl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .ratio-row{grid-template-columns:110px 1fr;row-gap:6px}
  .ratio-desc{grid-column:1 / -1}
}
@media (max-width:900px){
  .dock{flex-wrap:wrap;border-radius:24px;padding:12px 14px}
  .dock-nav{order:3;width:100%;margin-left:0;overflow-x:auto;justify-content:flex-start;padding-top:6px;-webkit-overflow-scrolling:touch}
  .dock-nav::-webkit-scrollbar{height:0}
  .dock-cta{margin-left:auto}
}
@media (max-width:768px){
  .section{padding:58px 0}
  .section--tight{padding:48px 0}
  .cat-hero{padding:26px 0 46px}
  .grid-3x,.grid-2x,.grid-4x,.post-grid,.dl-grid,.check-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .step-item{grid-template-columns:44px 1fr;gap:14px;padding:18px}
  .step-no{width:38px;height:38px;border-radius:12px;font-size:15px}
  .copyright{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  body{font-size:15.4px}
  .shell{padding:0 15px}
  .dock-logo{font-size:15.5px}
  .nav-link{padding:8px 12px;font-size:14px}
  .dock-cta{padding:9px 14px;font-size:13.5px}
  .info-card,.calc-panel,.post-card,.dl-card{padding:18px}
  .ratio-row{grid-template-columns:1fr;row-gap:8px}
  .hero-actions .btn-primary,.hero-actions .btn-outline{width:100%;justify-content:center}
  .faq-item{padding:2px 16px}
  .faq-item summary{font-size:15px}
}