/* roulang page: index */
:root{
  --ink:#0D1F1A;
  --ink-soft:#132A23;
  --lime:#9BE33B;
  --lime-dark:#84c62f;
  --teal:#3E7C74;
  --teal-soft:rgba(62,124,116,.14);
  --bg:#F6F4EE;
  --card:#FFFFFF;
  --line:#E4E2D9;
  --line-dark:rgba(255,255,255,.10);
  --text:#141A17;
  --muted:#5A6660;
  --weak:#8A948E;
  --amber:#E0A63C;
  --danger:#C0392B;
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --r-badge:999px;
  --sh-1:0 1px 2px rgba(20,26,23,.06);
  --sh-2:0 12px 30px -14px rgba(13,31,26,.28);
  --gap:28px;
  --sec:110px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,Barlow,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16.5px;
  line-height:1.75;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--ink);
  border-bottom:1px solid var(--line-dark);
}
.nav-wrap{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.logo-mark{
  width:34px;height:34px;border-radius:9px;background:var(--lime);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);font-size:15px;font-weight:900;
  box-shadow:inset 0 0 0 2px rgba(13,31,26,.18);
}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;color:rgba(255,255,255,.78);font-size:15px;font-weight:500;
  padding:6px 0;transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:#fff}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--lime);color:var(--ink);
  padding:11px 22px;border-radius:var(--r-btn);
  font-weight:700;font-size:15px;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.nav-cta:hover{background:var(--lime-dark);transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(155,227,59,.7)}
.nav-cta:active{transform:translateY(0)}
.hamburger{
  display:none;width:46px;height:46px;border:1px solid var(--line-dark);
  background:transparent;border-radius:var(--r-btn);cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.hamburger span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:.2s}
.drawer{
  display:none;background:var(--ink);border-bottom:1px solid var(--line-dark);
  padding:18px 0 26px;
}
.drawer.open{display:block}
.drawer .container{display:flex;flex-direction:column;gap:6px}
.drawer a{
  color:rgba(255,255,255,.82);padding:12px 4px;font-size:15.5px;
  border-bottom:1px solid var(--line-dark);min-height:44px;display:flex;align-items:center;
}
.drawer a:hover{color:var(--lime)}
.drawer .nav-cta{justify-content:center;margin-top:14px;border-bottom:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);padding:13px 26px;font-weight:700;font-size:15.5px;
  border:1px solid transparent;cursor:pointer;min-height:48px;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--lime-dark);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:var(--ink);border-color:#C9C6BA}
.btn-outline:hover{background:rgba(155,227,59,.10);border-color:var(--lime);color:var(--ink);transform:translateY(-1px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;transform:none}

/* ---------- hero ---------- */
.hero{position:relative;padding:76px 0 0;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(13,31,26,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(13,31,26,.045) 1px,transparent 1px);
  background-size:34px 34px;pointer-events:none;
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.stamp{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--ink);color:var(--ink);
  padding:7px 14px;border-radius:6px;
  font-size:13px;font-weight:700;letter-spacing:.04em;background:rgba(255,255,255,.6);
}
.stamp i{width:8px;height:8px;background:var(--lime);border-radius:2px;display:block}
.hero h1{
  font-size:clamp(30px,4.4vw,54px);font-weight:800;margin:22px 0 18px;line-height:1.16;
}
.hero h1 .mark{
  background:linear-gradient(transparent 62%,rgba(155,227,59,.75) 62%);
  padding:0 2px;
}
.hero-sub{font-size:17.5px;color:var(--muted);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  font-size:13px;color:var(--teal);background:var(--teal-soft);
  border-radius:var(--r-badge);padding:6px 14px;font-weight:600;
}
.hero-visual{position:relative}
.hero-media{
  width:100%;aspect-ratio:4/3;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-2);background:#fff;
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.float-card{
  position:absolute;right:-14px;bottom:-30px;width:250px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--sh-2);
}
.float-card h3{font-size:14px;font-weight:700;color:var(--muted);letter-spacing:.02em;margin-bottom:12px}
.float-card .row{
  display:flex;align-items:baseline;justify-content:space-between;
  padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px;
}
.float-card .row:last-child{border-bottom:none}
.float-card .row b{font-size:19px;font-weight:800;color:var(--ink)}
.float-card .row span{color:var(--muted)}
.trust-bar{
  margin-top:74px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.55);
}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-item{padding:26px 8px;text-align:center;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:none}
.trust-item b{display:block;font-size:26px;font-weight:800;letter-spacing:-.02em}
.trust-item span{font-size:13.5px;color:var(--muted)}

/* ---------- sections ---------- */
.section{padding:var(--sec) 0}
.section-tight{padding:78px 0}
.sec-head{max-width:720px;margin-bottom:46px}
.sec-kicker{
  display:inline-flex;align-items:center;gap:9px;font-size:13.5px;font-weight:700;
  color:var(--teal);letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px;
}
.sec-kicker::before{content:"";width:3px;height:15px;background:var(--teal);border-radius:2px}
.sec-head h2{font-size:clamp(25px,3vw,34px);font-weight:700}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16.5px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:46px;flex-wrap:wrap}
.sec-head-row .sec-head{margin-bottom:0}
.link-more{
  font-size:15px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:6px;
  border-bottom:2px solid var(--lime);padding-bottom:3px;transition:color .18s ease;
}
.link-more:hover{color:var(--teal)}

/* numbered list */
.num-list{border-top:1px solid var(--line)}
.num-item{
  display:grid;grid-template-columns:76px 1fr auto;gap:22px;align-items:start;
  padding:30px 22px;border-bottom:1px solid var(--line);background:transparent;
  border-radius:var(--r-card);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.num-item:hover{background:#fff;transform:translateY(-4px);box-shadow:var(--sh-2);border-bottom-color:transparent}
.num-item .idx{font-size:30px;font-weight:800;color:var(--line);letter-spacing:-.03em;line-height:1.1}
.num-item:hover .idx{color:var(--lime-dark)}
.num-item h3{font-size:20px;font-weight:600;margin-bottom:9px}
.num-item p{color:var(--muted);font-size:15.5px;max-width:640px}
.num-item .go{font-size:14px;font-weight:700;color:var(--teal);white-space:nowrap;align-self:center}
.num-item .go:hover{color:var(--ink)}

/* dark stats */
.stat-band{background:var(--ink);color:#fff;padding:88px 0}
.stat-band .sec-kicker{color:var(--lime)}
.stat-band .sec-kicker::before{background:var(--lime)}
.stat-band .sec-head p{color:rgba(255,255,255,.66)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-cell{padding:16px 26px;border-left:1px solid var(--line-dark)}
.stat-cell:first-child{border-left:none;padding-left:0}
.stat-cell b{display:block;font-size:clamp(38px,4.6vw,54px);font-weight:800;color:var(--lime);letter-spacing:-.03em;line-height:1.05}
.stat-cell span{display:block;margin-top:12px;font-size:14.5px;color:rgba(255,255,255,.72)}
.stat-note{margin-top:44px;padding-top:26px;border-top:1px solid var(--line-dark);color:rgba(255,255,255,.6);font-size:14.5px}

/* case */
.case-row{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
  padding:34px 0;
}
.case-row + .case-row{border-top:1px solid var(--line)}
.case-row.reverse .case-media{order:2}
.case-media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/10;background:#fff;box-shadow:var(--sh-1);
}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.case-row:hover .case-media img{transform:scale(1.03)}
.case-badge{
  display:inline-block;font-size:12.5px;font-weight:700;color:#fff;
  background:var(--teal);border-radius:var(--r-badge);padding:5px 13px;margin-bottom:16px;
}
.case-badge.hot{background:var(--amber)}
.case-body h3{font-size:22px;font-weight:600;margin-bottom:12px}
.case-body p{color:var(--muted);font-size:15.5px;margin-bottom:18px;max-width:520px}
.case-link{font-weight:700;font-size:15px;color:var(--ink);border-bottom:2px solid var(--lime);padding-bottom:2px;transition:color .18s ease}
.case-link:hover{color:var(--teal)}

/* plan tabs */
.tab-strip{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.tab-pill{
  padding:10px 20px;border-radius:var(--r-badge);border:1px solid var(--line);
  background:#fff;font-size:14.5px;font-weight:600;color:var(--muted);
}
.tab-pill.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.ladder{display:grid;gap:14px}
.ladder-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 28px;display:grid;grid-template-columns:auto 1fr;gap:22px;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.ladder-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.ladder-item:nth-child(2){margin-left:34px}
.ladder-item:nth-child(3){margin-left:68px}
.ladder-step{
  width:46px;height:46px;border-radius:12px;background:var(--teal-soft);color:var(--teal);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
}
.ladder-item h3{font-size:19px;font-weight:600;margin-bottom:8px}
.ladder-item p{color:var(--muted);font-size:15.5px}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-media{aspect-ratio:16/9;overflow:hidden;background:#EFEDE6}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-card:hover .news-media img{transform:scale(1.03)}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-body .cat{
  align-self:flex-start;font-size:12.5px;font-weight:700;color:var(--ink);
  background:var(--teal-soft);border-radius:var(--r-badge);padding:5px 12px;
}
.news-body h3{font-size:18px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a:hover{color:var(--teal)}
.news-body p{color:var(--muted);font-size:14.5px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13.5px;color:var(--weak);
}
.news-meta time{display:inline-flex;align-items:center;gap:6px}
.news-meta .dot{width:6px;height:6px;background:var(--lime);border-radius:2px;display:block}
.news-meta .read{color:var(--teal);font-weight:700}
.empty-state{
  grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:52px 24px;text-align:center;color:var(--muted);
}
.empty-state .icon{
  width:48px;height:48px;border-radius:14px;background:var(--teal-soft);color:var(--teal);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:20px;font-weight:800;
}

/* faq */
.faq-wrap{max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:var(--lime);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;background:transparent;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;min-height:44px;
}
.faq-q .t{display:flex;align-items:flex-start;gap:12px}
.faq-q .t::before{content:"";width:3px;height:18px;background:var(--teal);border-radius:2px;margin-top:5px;flex:none}
.faq-item.open .faq-q .t::before{background:var(--lime)}
.faq-icon{position:relative;width:18px;height:18px;flex:none}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a p{padding:0 24px 22px 39px;color:var(--muted);font-size:15.5px;line-height:1.8}

/* contact */
.contact-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:start}
.contact-points{margin-top:26px;display:grid;gap:14px}
.contact-points li{display:flex;gap:12px;color:var(--muted);font-size:15.5px}
.contact-points li::before{content:"";width:8px;height:8px;background:var(--lime);border-radius:2px;margin-top:10px;flex:none}
.form-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:14.5px;font-weight:600;margin-bottom:8px}
.field label .req{color:var(--lime-dark);margin-left:3px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;padding:12px 14px;font-size:15.5px;min-height:46px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);box-shadow:0 0 0 2px rgba(155,227,59,.45);
}
.form-note{font-size:13px;color:var(--weak);margin-top:14px}
.form-ok{
  display:none;margin-top:16px;padding:12px 14px;border-radius:var(--r-input);
  background:var(--teal-soft);color:var(--ink);font-size:14.5px;
}
.form-ok.show{display:block}
.form-actions{display:flex;justify-content:flex-end}

/* cta band */
.cta-band{background:var(--ink);color:#fff;padding:74px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(24px,2.8vw,32px);font-weight:700}
.cta-inner p{color:rgba(255,255,255,.66);margin-top:12px;font-size:16px;max-width:600px}

/* footer */
.site-footer{background:var(--ink);color:rgba(255,255,255,.74);padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-grid h4{color:#fff;font-size:15.5px;font-weight:700;margin-bottom:18px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14.5px;color:rgba(255,255,255,.6);max-width:320px}
.footer-list li{margin-bottom:11px}
.footer-list a,.footer-list span{font-size:14.5px;color:rgba(255,255,255,.72);transition:color .18s ease}
.footer-list a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line-dark);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.5);
}

/* responsive */
@media (max-width:1024px){
  :root{--sec:80px;--gap:22px}
  .container{padding:0 24px}
  .nav-links{display:none}
  .hamburger{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .float-card{position:static;width:100%;margin-top:18px}
  .hero-media{aspect-ratio:16/10}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-cell{padding:20px 22px;border-left:none;border-top:1px solid var(--line-dark)}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-top:none}
  .stat-cell:nth-child(odd){padding-left:0}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .case-row{gap:34px}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:768px){
  .num-item{grid-template-columns:1fr;gap:12px;padding:24px 0}
  .num-item .idx{font-size:24px}
  .num-item .go{align-self:flex-start}
  .case-row{grid-template-columns:1fr;gap:22px}
  .case-row.reverse .case-media{order:0}
  .ladder-item:nth-child(2),.ladder-item:nth-child(3){margin-left:0}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .trust-item:nth-child(2){border-right:none}
  .trust-item:nth-child(1),.trust-item:nth-child(2){border-bottom:1px solid var(--line)}
  .faq-q{font-size:16px;padding:18px}
  .faq-a p{padding:0 18px 20px 33px}
  .form-card{padding:24px}
}
@media (max-width:520px){
  :root{--sec:64px}
  .container{padding:0 16px}
  body{font-size:16px}
  .hero{padding-top:48px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .news-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .stat-cell{padding:18px 0}
  .footer-grid{grid-template-columns:1fr}
  .trust-item{padding:20px 4px}
  .trust-item b{font-size:22px}
  .form-actions{justify-content:stretch}
  .form-actions .btn{width:100%}
  .cta-inner{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --ink:#0D1F1A;
  --accent:#9BE33B;
  --accent-2:#3E7C74;
  --bg:#F6F4EE;
  --card:#FFFFFF;
  --line:#E4E2D9;
  --line-dark:rgba(255,255,255,.10);
  --text:#141A17;
  --text-2:#5A6660;
  --text-3:#8A948E;
  --gold:#E0A63C;
  --danger:#C0392B;
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(20,26,23,.06);
  --sh-2:0 12px 30px -14px rgba(13,31,26,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);color:var(--text);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--accent-2)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.28;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-family:Barlow,Inter,system-ui,sans-serif}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
@media (max-width:1024px){.wrap{padding:0 24px}}
@media (max-width:520px){.wrap{padding:0 16px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--ink);border-bottom:1px solid var(--line-dark)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;flex-shrink:0}
.logo:hover{color:#fff}
.logo-mark{width:32px;height:32px;display:grid;place-items:center;background:var(--accent);color:#0C1F16;border-radius:9px;font-size:15px;font-weight:800}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;margin-left:6px}
.nav-link{position:relative;padding:10px 12px;color:rgba(255,255,255,.74);font-size:15px;font-weight:500;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#fff}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:var(--r-btn);font-weight:600;font-size:15px;border:1px solid transparent;transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;cursor:pointer;text-align:center}
.btn-primary{background:var(--accent);color:#0C1F16}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(155,227,59,.9);color:#0C1F16}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{border-color:rgba(255,255,255,.26);color:#fff}
.btn-ghost:hover{border-color:var(--accent);color:#fff;background:rgba(155,227,59,.08)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--accent);background:rgba(155,227,59,.10);color:var(--text)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;pointer-events:none}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.2);border-radius:10px;color:#fff}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}
.drawer{position:fixed;left:0;right:0;top:72px;z-index:55;background:var(--ink);border-bottom:1px solid var(--line-dark);padding:10px 0 22px;transform:translateY(-14px);opacity:0;pointer-events:none;transition:transform .24s ease,opacity .24s ease}
.drawer.open{transform:none;opacity:1;pointer-events:auto}
.drawer .wrap{display:flex;flex-direction:column;gap:6px}
.drawer a{color:rgba(255,255,255,.8);padding:12px 4px;font-size:15px;border-bottom:1px solid var(--line-dark)}
.drawer .btn{margin-top:12px}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}
}
@media (min-width:1024px){.drawer{display:none}}

/* ---------- article hero ---------- */
.article-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.article-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.20}
.article-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:56px 56px}
.article-hero .wrap{position:relative;z-index:2;padding-top:42px;padding-bottom:46px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62)}
.crumbs a{color:rgba(255,255,255,.78)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:rgba(255,255,255,.34)}
.crumbs .now{max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:rgba(255,255,255,.9)}
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;background:rgba(62,124,116,.35);border:1px solid rgba(155,227,59,.3);color:#DFF3C8;font-size:13px;font-weight:600;letter-spacing:.02em}
.article-hero h1{margin:18px 0 16px;font-size:38px;font-weight:800;line-height:1.3;max-width:900px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13.5px;color:rgba(255,255,255,.62)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.3)}
@media (max-width:768px){
  .article-hero h1{font-size:30px}
  .article-hero .wrap{padding-top:30px;padding-bottom:34px}
}

/* ---------- layout ---------- */
.article-main{padding:56px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
@media (max-width:1023px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
}
.entry-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:44px 46px}
@media (max-width:520px){.entry-card{padding:24px 18px}}

/* ---------- entry content ---------- */
.entry{max-width:820px;font-size:17px;line-height:1.9;color:#1B221E}
.entry>*:first-child{margin-top:0}
.entry p{margin:0 0 1.2em}
.entry h2{position:relative;font-size:26px;font-weight:700;line-height:1.4;margin:2.5em 0 .9em;padding-left:14px;border-left:4px solid var(--accent-2)}
.entry h3{font-size:20px;font-weight:700;margin:2em 0 .6em}
.entry h4{font-size:17px;font-weight:700;margin:1.6em 0 .5em}
.entry ul,.entry ol{margin:0 0 1.3em;padding:0}
.entry ul li{position:relative;padding-left:20px;margin-bottom:.55em}
.entry ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--accent-2)}
.entry ol{counter-reset:entry-ol}
.entry ol li{position:relative;counter-increment:entry-ol;padding-left:32px;margin-bottom:.6em}
.entry ol li::before{content:counter(entry-ol);position:absolute;left:0;top:.42em;width:22px;height:22px;border-radius:6px;background:rgba(155,227,59,.22);color:#2C4A18;font-size:12.5px;font-weight:700;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.entry img{width:100%;height:auto;border-radius:var(--r-card);margin:1.6em 0;border:1px solid var(--line)}
.entry figure{margin:1.8em 0}
.entry figcaption{margin-top:10px;text-align:center;font-size:13.5px;color:var(--text-3)}
.entry blockquote{margin:1.6em 0;padding:18px 22px;background:#FBFAF6;border-left:3px solid var(--accent);border-radius:0 var(--r-card) var(--r-card) 0;color:var(--text-2);font-size:16.5px}
.entry blockquote p:last-child{margin-bottom:0}
.entry a{color:var(--accent-2);border-bottom:1px solid rgba(62,124,116,.35)}
.entry a:hover{color:#2A5A54;border-bottom-color:#2A5A54}
.entry strong{font-weight:700}
.entry hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.entry table{width:100%;border-collapse:collapse;font-size:15.5px;border:1px solid var(--line)}
.entry th,.entry td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.entry thead th{background:#F2F0E9;font-weight:700}
.entry tbody tr:nth-child(even){background:#FAF9F5}
.entry .table-wrap,.entry .table-responsive{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.6em 0}
.entry code{background:#F1EFE8;padding:2px 6px;border-radius:6px;font-size:14.5px}
.empty-state{text-align:center;padding:56px 24px}
.empty-state h2{font-size:24px;margin-bottom:12px}
.empty-state p{color:var(--text-2);margin-bottom:22px}

/* ---------- sidebar ---------- */
.side{display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px}
.side-card h3{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;padding-left:10px;border-left:3px solid var(--accent);margin-bottom:14px}
.side-card.sticky{position:sticky;top:96px}
.toc-link{display:block;padding:8px 10px;border-radius:9px;font-size:14.5px;color:var(--text-2);border-left:2px solid transparent;transition:.2s}
.toc-link:hover{background:#F5F3EC;color:var(--text);border-left-color:var(--accent-2)}
.toc-link.toc-sub{padding-left:22px;font-size:13.5px;color:var(--text-3)}
.reco{display:flex;flex-direction:column;gap:14px}
.reco-item{padding-bottom:14px;border-bottom:1px solid var(--line)}
.reco-item:last-child{border-bottom:0;padding-bottom:0}
.reco-item a{font-size:15px;font-weight:600;line-height:1.55;display:block}
.reco-item a:hover{color:var(--accent-2)}
.reco-item .meta{margin-top:6px;font-size:12.5px;color:var(--text-3)}
.reco-item .meta b{font-weight:600;color:var(--accent-2)}
.side-actions{display:flex;flex-direction:column;gap:10px}
.side-note{font-size:13.5px;color:var(--text-3);line-height:1.7}
@media (min-width:640px) and (max-width:1023px){
  .side{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
  .side-card.sticky{position:static}
}

/* ---------- bottom cta ---------- */
.bottom-cta{margin-top:80px;background:var(--ink);color:#fff;position:relative;overflow:hidden}
.bottom-cta::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:48px 48px}
.bottom-cta .wrap{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px;padding-top:48px;padding-bottom:48px}
.bottom-cta h2{font-size:26px;font-weight:700}
.bottom-cta p{margin-top:8px;color:rgba(255,255,255,.66);font-size:15px;max-width:620px}
@media (max-width:768px){
  .bottom-cta .wrap{flex-direction:column;align-items:flex-start;padding-top:38px;padding-bottom:38px}
  .bottom-cta h2{font-size:22px}
}

/* ---------- footer ---------- */
.site-footer{margin-top:0;background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px}
.footer-grid h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-list{display:flex;flex-direction:column;gap:10px;font-size:14.5px}
.footer-list a{color:rgba(255,255,255,.72)}
.footer-list a:hover{color:var(--accent)}
.footer-list span{color:rgba(255,255,255,.6)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;margin-top:48px;padding-top:20px;border-top:1px solid var(--line-dark);font-size:13.5px;color:rgba(255,255,255,.55)}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-top:44px}
}

/* roulang page: category1 */
:root{
  --ink:#0D1F1A;
  --ink-2:#132B24;
  --ink-3:#1B3A31;
  --lime:#9BE33B;
  --lime-dark:#87C92F;
  --teal:#3E7C74;
  --amber:#E0A63C;
  --bg:#F6F4EE;
  --card:#FFFFFF;
  --line:#E4E2D9;
  --text:#141A17;
  --muted:#5A6660;
  --weak:#8A948E;
  --danger:#C0392B;
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(20,26,23,.06);
  --shadow-2:0 12px 30px -14px rgba(13,31,26,.28);
  --sec-y:110px;
  --grid-line:rgba(13,31,26,.055);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,Barlow,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--bg);
  background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:56px 56px,56px 56px;
  background-position:-1px -1px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.num,.stat-num,.meta-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
@media (min-width:1280px){.container{max-width:1280px}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  padding:13px 24px;font-size:15.5px;font-weight:600;line-height:1;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
  min-height:44px;white-space:nowrap;
}
.btn-sm{padding:11px 18px;font-size:14.5px}
.btn-primary{background:var(--lime);color:#0B1712;box-shadow:0 6px 16px -10px rgba(13,31,26,.55)}
.btn-primary:hover{background:#A6EA4C;transform:translateY(-1px);box-shadow:0 14px 26px -12px rgba(13,31,26,.5)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:rgba(20,26,23,.28);color:var(--text)}
.btn-outline:hover{background:rgba(155,227,59,.12);border-color:var(--lime-dark);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost-dark{background:transparent;border-color:rgba(255,255,255,.3);color:#EDF3EE}
.btn-ghost-dark:hover{background:rgba(155,227,59,.14);border-color:var(--lime);color:#fff}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;transform:none}
.btn-block{width:100%}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:#F2F6F1;font-weight:700;font-size:18px;letter-spacing:-.01em}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;flex:0 0 34px;
  border-radius:9px;background:var(--lime);color:#0B1712;
  font-size:17px;font-weight:800;
}
.logo-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:10px;
  color:#C9D6CE;font-size:15px;font-weight:500;
  transition:color .18s ease,background-color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;border-radius:2px;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#fff}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#E6EFE7;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.mobile-drawer{display:none;background:var(--ink-2);border-top:1px solid rgba(255,255,255,.08);padding:16px 0 24px}
.mobile-drawer.open{display:block}
.mobile-drawer .container{display:flex;flex-direction:column;gap:6px}
.mobile-drawer .nav-link{padding:14px 12px;font-size:16px;color:#D3DFD7}
.mobile-drawer .drawer-cta{margin-top:12px}
@media (max-width:1023px){
  .nav-links{display:none}
  .header-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{min-height:66px;gap:16px}
  .logo{font-size:16.5px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .logo-text{font-size:15.5px}
}

/* ============ 页面头 Banner ============ */
.page-hero{
  position:relative;
  padding:64px 0 72px;
  background-color:var(--ink);
  background-image:linear-gradient(90deg,rgba(13,31,26,.94) 0%,rgba(13,31,26,.82) 46%,rgba(13,31,26,.62) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
  color:#F1F6F1;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:rgba(255,255,255,.12);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:#9FB2A8;margin-bottom:22px}
.breadcrumb a{color:#C6D5CB;transition:color .18s ease}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:#EDF4EE}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;
  line-height:1.22;
  max-width:820px;
  margin-bottom:20px;
}
.page-hero h1 .hl{
  color:var(--lime);
  box-shadow:inset 0 -10px 0 rgba(155,227,59,.16);
  border-radius:2px;
}
.page-hero .lead{max-width:680px;color:#B9C9BF;font-size:17px;line-height:1.8}
.seal{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(155,227,59,.45);border-radius:6px;
  padding:6px 12px;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--lime);margin-bottom:20px;background:rgba(155,227,59,.07);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  font-size:13.5px;color:#D5E1D8;
}
.hero-tag i{width:6px;height:6px;border-radius:2px;background:var(--lime);display:inline-block}
@media (max-width:768px){
  .page-hero{padding:44px 0 52px}
  .page-hero .lead{font-size:15.5px}
}

/* ============ 主体布局 ============ */
.page-main{padding:64px 0 96px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:44px;align-items:start}
@media (max-width:1023px){
  .layout{grid-template-columns:1fr;gap:36px}
}

/* 分节 */
.section-block{margin-bottom:56px}
.section-block:last-child{margin-bottom:0}
.section-title{
  display:flex;align-items:flex-start;gap:14px;
  font-size:clamp(23px,2.4vw,30px);font-weight:700;
  margin-bottom:18px;
}
.section-title::before{
  content:"";flex:0 0 4px;width:4px;height:26px;margin-top:5px;
  border-radius:2px;background:var(--lime);
}
.section-desc{color:var(--muted);margin-bottom:22px;max-width:720px}

/* 编号竖列 */
.steps{display:flex;flex-direction:column;gap:18px}
.step{
  display:grid;grid-template-columns:104px minmax(0,1fr);gap:24px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 28px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6D3C6}
.step-num{
  font-size:40px;font-weight:800;line-height:1;color:var(--ink);
  font-variant-numeric:tabular-nums;
  border-right:1px solid var(--line);padding-right:20px;
}
.step-num small{display:block;font-size:12.5px;font-weight:600;letter-spacing:.12em;color:var(--teal);margin-top:10px}
.step-body h3{font-size:20px;font-weight:700;margin-bottom:10px}
.step-body p{color:var(--muted);font-size:16px;margin-bottom:10px}
.step-body p:last-child{margin-bottom:0}
.point-list{margin-top:14px;display:flex;flex-direction:column;gap:9px}
.point-list li{position:relative;padding-left:20px;color:var(--text);font-size:15.5px}
.point-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:7px;height:7px;border-radius:1px;background:var(--teal);
}
@media (max-width:640px){
  .step{grid-template-columns:1fr;gap:14px;padding:22px 20px}
  .step-num{border-right:none;border-bottom:1px solid var(--line);padding:0 0 12px;font-size:32px}
  .step-num small{margin-top:6px}
}

/* 图文小卡 */
.media-card{
  display:grid;grid-template-columns:220px minmax(0,1fr);gap:22px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-1);margin:22px 0;
}
.media-card .thumb{border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:#E9E6DC}
.media-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.media-card:hover .thumb img{transform:scale(1.03)}
.media-card h3{font-size:19px;font-weight:700;margin-bottom:8px}
.media-card p{color:var(--muted);font-size:15.5px}
@media (max-width:640px){
  .media-card{grid-template-columns:1fr;gap:14px}
}

/* 双列小卡 */
.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:8px}
.mini-card{
  border:1px solid var(--line);border-radius:14px;background:var(--card);
  padding:20px 22px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.mini-card h4{font-size:17px;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.mini-card h4 .dot{width:8px;height:8px;border-radius:2px;background:var(--amber);display:inline-block}
.mini-card p{color:var(--muted);font-size:15px}
@media (max-width:640px){.two-col{grid-template-columns:1fr}}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:rgba(62,124,116,.14);color:#2C5C56;
  font-size:13px;font-weight:600;
}
.badge-outline{background:transparent;border:1px solid var(--line);color:var(--muted)}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border:1px solid var(--line);border-radius:14px;background:var(--card);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:var(--lime-dark);box-shadow:0 10px 26px -18px rgba(13,31,26,.4)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  background:transparent;border:0;cursor:pointer;
  padding:18px 20px;font-size:17px;font-weight:600;line-height:1.6;
}
.faq-q::before{content:"";flex:0 0 3px;width:3px;height:20px;border-radius:2px;background:var(--teal)}
.faq-q .ic{
  margin-left:auto;flex:0 0 22px;width:22px;height:22px;border-radius:6px;
  border:1px solid var(--line);position:relative;transition:transform .2s ease,background-color .2s ease,border-color .2s ease;
}
.faq-q .ic::before,.faq-q .ic::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--muted);
  transform:translate(-50%,-50%);transition:opacity .2s ease,background-color .2s ease;
}
.faq-q .ic::before{width:10px;height:2px}
.faq-q .ic::after{width:2px;height:10px}
.faq-item.open .ic{background:var(--lime);border-color:var(--lime);transform:rotate(180deg)}
.faq-item.open .ic::before,.faq-item.open .ic::after{background:#0B1712}
.faq-item.open .ic::after{opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .2s ease;
}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{padding:0 20px 20px 20px;color:var(--muted);line-height:1.8;font-size:15.5px}

/* ============ 侧栏 ============ */
.sidebar{display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-1);
}
.side-card h4{
  font-size:15px;font-weight:700;letter-spacing:.02em;
  display:flex;align-items:center;gap:9px;margin-bottom:14px;
}
.side-card h4::before{content:"";width:3px;height:15px;border-radius:2px;background:var(--lime)}
.anchor-list{display:flex;flex-direction:column;gap:2px}
.anchor-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 10px;border-radius:9px;font-size:15px;color:var(--muted);
  transition:background-color .18s ease,color .18s ease;
}
.anchor-list a span.n{
  font-size:12.5px;font-weight:700;color:var(--teal);
  font-variant-numeric:tabular-nums;min-width:22px;
}
.anchor-list a:hover{background:#F1F5EC;color:var(--ink)}
.link-list{display:flex;flex-direction:column;gap:2px}
.link-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 10px;border-radius:9px;font-size:15px;color:var(--muted);
  transition:background-color .18s ease,color .18s ease;
}
.link-list a::after{content:"›";color:var(--weak);font-size:17px;line-height:1}
.link-list a:hover{background:#F1F5EC;color:var(--ink)}
.link-list a:hover::after{color:var(--lime-dark)}
.side-contact p{color:var(--muted);font-size:15px;margin-bottom:14px}
.side-contact .row{
  display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--muted);
  padding:9px 0;border-top:1px dashed var(--line);
}
.side-contact .row:first-of-type{border-top:0}
.side-contact .row strong{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}
.side-cta{background:var(--ink);border-color:rgba(255,255,255,.10);color:#E8F1E9}
.side-cta h4{color:#fff}
.side-cta h4::before{background:var(--lime)}
.side-cta p{color:#A9BAB0;font-size:15px;margin-bottom:16px}

/* ============ 通栏 CTA ============ */
.cta-band{
  background:var(--ink);color:#EAF2EB;
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
  padding:64px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;margin-bottom:10px}
.cta-inner p{color:#A9BAB0;max-width:620px;font-size:16px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:768px){.cta-band{padding:48px 0}.cta-actions{width:100%}.cta-actions .btn{flex:1 1 auto}}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C3D2C9;padding:64px 0 26px;margin-top:0;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.site-footer .logo{color:#F2F6F1;margin-bottom:16px}
.footer-brand p{color:#93A79B;font-size:15px;max-width:330px}
.site-footer h4{color:#F0F6F1;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a,.footer-list span{color:#9FB2A8;font-size:15px;transition:color .18s ease}
.footer-list a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:14px;color:#8397 8C;
  color:#86988E;
}

/* roulang page: category2 */
:root{
    --ink:#0D1F1A;
    --lime:#9BE33B;
    --teal:#3E7C74;
    --bg:#F6F4EE;
    --card:#FFFFFF;
    --line:#E4E2D9;
    --line-dark:rgba(255,255,255,.10);
    --t1:#141A17;
    --t2:#5A6660;
    --t3:#8A948E;
    --amber:#E0A63C;
    --r-card:16px;
    --r-btn:12px;
    --r-input:10px;
    --sh1:0 1px 2px rgba(20,26,23,.06);
    --sh2:0 12px 30px -14px rgba(13,31,26,.28);
    --maxw:1200px;
    --sec:104px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--t1);
    font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,sans-serif;
    font-size:16.5px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
  a:hover{color:var(--teal);}
  button{font:inherit;cursor:pointer;border:0;background:none;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  h1,h2,h3,h4{letter-spacing:-.01em;color:var(--t1);}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

  .container{
    width:100%;
    max-width:var(--maxw);
    margin:0 auto;
    padding:0 32px;
  }

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:var(--ink);
    border-bottom:1px solid var(--line-dark);
  }
  .header-inner{
    display:flex;
    align-items:center;
    gap:28px;
    min-height:72px;
  }
  .logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:#fff;
    font-weight:700;
    font-size:17px;
    letter-spacing:.01em;
    flex:0 0 auto;
  }
  .logo:hover{color:#fff;}
  .logo-mark{
    width:32px;height:32px;
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--lime);
    color:var(--ink);
    border-radius:9px;
    font-size:15px;
    font-weight:800;
  }
  .nav-links{
    display:flex;
    align-items:center;
    gap:26px;
    margin-left:8px;
    flex:1 1 auto;
  }
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:72px;
    color:rgba(255,255,255,.78);
    font-size:15px;
    font-weight:500;
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:0;
    height:2px;
    background:var(--lime);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .22s ease;
  }
  .nav-link:hover{color:#fff;}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{color:#fff;}
  .nav-link.active::after{transform:scaleX(1);}
  .header-actions{
    display:flex;
    align-items:center;
    gap:12px;
    flex:0 0 auto;
  }
  .nav-toggle{
    display:none;
    width:44px;height:44px;
    border-radius:var(--r-btn);
    border:1px solid var(--line-dark);
    align-items:center;
    justify-content:center;
    flex-direction:column;
    gap:5px;
  }
  .nav-toggle span{
    display:block;
    width:18px;height:2px;
    background:#fff;
    border-radius:2px;
  }
  .mobile-drawer{
    display:none;
    background:var(--ink);
    border-top:1px solid var(--line-dark);
    padding:16px 0 24px;
  }
  .mobile-drawer.open{display:block;}
  .mobile-drawer .drawer-links{
    display:flex;
    flex-direction:column;
    gap:2px;
    margin-bottom:16px;
  }
  .mobile-drawer .drawer-links a{
    display:block;
    padding:12px 0;
    color:rgba(255,255,255,.82);
    font-size:15.5px;
    border-bottom:1px solid var(--line-dark);
  }
  .mobile-drawer .drawer-links a.active{color:var(--lime);}
  .mobile-drawer .btn{width:100%;justify-content:center;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:46px;
    padding:0 22px;
    border-radius:var(--r-btn);
    font-size:15.5px;
    font-weight:600;
    border:1px solid transparent;
    transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
    white-space:nowrap;
  }
  .btn-primary{
    background:var(--lime);
    color:var(--ink);
    box-shadow:0 6px 18px -10px rgba(155,227,59,.9);
  }
  .btn-primary:hover{
    color:var(--ink);
    filter:brightness(1.06);
    transform:translateY(-1px);
    box-shadow:0 14px 26px -12px rgba(155,227,59,.85);
  }
  .btn-primary:active{transform:translateY(0);}
  .btn-outline{
    border-color:rgba(20,26,23,.22);
    color:var(--t1);
    background:transparent;
  }
  .btn-outline:hover{
    background:rgba(155,227,59,.16);
    border-color:var(--lime);
    color:var(--ink);
    transform:translateY(-1px);
  }
  .btn-ghost-dark{
    border-color:var(--line-dark);
    color:#fff;
  }
  .btn-ghost-dark:hover{
    background:rgba(155,227,59,.12);
    border-color:var(--lime);
    color:#fff;
  }
  .btn-sm{min-height:40px;padding:0 18px;font-size:14.5px;border-radius:10px;}
  .btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}

  /* ---------- 页头 Banner ---------- */
  .page-hero{
    position:relative;
    background:var(--ink);
    color:#fff;
    overflow:hidden;
  }
  .page-hero::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:url("/assets/images/backpic/back-1.png");
    background-size:cover;
    background-position:center right;
    opacity:.28;
  }
  .page-hero::after{
    content:"";
    position:absolute;
    inset:0;
    background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
    background-size:48px 48px;
    pointer-events:none;
  }
  .page-hero .container{position:relative;z-index:2;}
  .page-hero-inner{
    padding:56px 0 60px;
    max-width:780px;
  }
  .breadcrumb{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:13.5px;
    color:rgba(255,255,255,.62);
    margin-bottom:20px;
  }
  .breadcrumb a:hover{color:var(--lime);}
  .breadcrumb .sep{opacity:.5;}
  .page-hero h1{
    color:#fff;
    font-size:clamp(30px,4.2vw,50px);
    font-weight:800;
    line-height:1.16;
    margin-bottom:18px;
  }
  .page-hero h1 em{
    font-style:normal;
    color:var(--lime);
    box-shadow:inset 0 -10px 0 rgba(155,227,59,.18);
  }
  .page-hero .lead{
    font-size:16.5px;
    line-height:1.85;
    color:rgba(255,255,255,.78);
    max-width:660px;
  }
  .hero-tags{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:26px;
  }
  .stamp{
    display:inline-flex;
    align-items:center;
    padding:6px 12px;
    border:1px solid var(--line-dark);
    border-radius:6px;
    font-size:13px;
    color:rgba(255,255,255,.82);
    background:rgba(255,255,255,.04);
  }
  .stamp.lime{border-color:rgba(155,227,59,.5);color:var(--lime);}

  /* ---------- 主体分栏 ---------- */
  .main-section{padding:64px 0 88px;}
  .layout{
    display:grid;
    grid-template-columns:minmax(0,2fr) minmax(0,1fr);
    gap:44px;
    align-items:start;
  }
  .content-col{min-width:0;}

  .panel{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    box-shadow:var(--sh1);
  }

  .intro-card{
    padding:28px 30px;
    margin-bottom:44px;
    border-left:3px solid var(--teal);
  }
  .intro-card p{color:var(--t2);}
  .intro-card p + p{margin-top:14px;}

  .media-row{
    display:grid;
    grid-template-columns:minmax(0,1fr) minmax(0,1.18fr);
    gap:30px;
    align-items:center;
    padding:32px 0;
    border-bottom:1px solid var(--line);
  }
  .media-row:last-of-type{border-bottom:0;}
  .media-row.reverse .media-figure{order:2;}
  .media-figure{
    border-radius:var(--r-card);
    overflow:hidden;
    border:1px solid var(--line);
    background:#fff;
    aspect-ratio:4/3;
    box-shadow:var(--sh1);
  }
  .media-figure img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
  .media-row:hover .media-figure img{transform:scale(1.03);}
  .media-body{min-width:0;}
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:4px 12px;
    border-radius:999px;
    background:rgba(62,124,116,.14);
    color:#2C5A54;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.02em;
    margin-bottom:14px;
  }
  .badge.amber{background:rgba(224,166,60,.16);color:#8A6415;}
  .section-title{
    position:relative;
    padding-left:14px;
    font-size:22px;
    font-weight:700;
    line-height:1.4;
    margin-bottom:16px;
  }
  .section-title::before{
    content:"";
    position:absolute;
    left:0;top:.32em;
    width:3px;height:1.05em;
    background:var(--teal);
    border-radius:2px;
  }
  .media-body p{color:var(--t2);font-size:16px;}
  .media-body p + p{margin-top:12px;}
  .check-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
  .check-list li{
    position:relative;
    padding-left:22px;
    color:var(--t1);
    font-size:15.5px;
  }
  .check-list li::before{
    content:"";
    position:absolute;
    left:0;top:.62em;
    width:8px;height:8px;
    background:var(--lime);
    border-radius:2px;
  }
  .mini-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:14px;
    margin-top:18px;
  }
  .mini-card{
    border:1px solid var(--line);
    border-radius:12px;
    padding:16px 18px;
    background:#FCFBF7;
  }
  .mini-card h3{font-size:15.5px;font-weight:600;margin-bottom:6px;}
  .mini-card p{font-size:14.5px;color:var(--t2);line-height:1.7;}

  .block-title{
    font-size:clamp(22px,2.6vw,28px);
    font-weight:700;
    margin:56px 0 22px;
    position:relative;
    padding-left:16px;
  }
  .block-title::before{
    content:"";
    position:absolute;
    left:0;top:.3em;
    width:4px;height:1.1em;
    background:var(--lime);
    border-radius:2px;
  }

  /* ---------- FAQ ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px;}
  .faq-item{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:14px;
    padding:2px 20px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item[open]{
    border-color:var(--lime);
    box-shadow:0 8px 24px -18px rgba(13,31,26,.4);
  }
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:17px 0;
    font-size:16.5px;
    font-weight:600;
    color:var(--t1);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";
    flex:0 0 auto;
    width:26px;height:26px;
    display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);
    border-radius:8px;
    color:var(--teal);
    font-size:17px;
    font-weight:600;
    transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  }
  .faq-item[open] summary::after{
    content:"–";
    transform:rotate(180deg);
    background:var(--lime);
    border-color:var(--lime);
    color:var(--ink);
  }
  .faq-answer{
    padding:0 0 18px;
    color:var(--t2);
    font-size:15.5px;
    line-height:1.85;
    border-top:1px solid var(--line);
    padding-top:14px;
  }

  /* ---------- 侧栏 ---------- */
  .sidebar{
    display:flex;
    flex-direction:column;
    gap:22px;
    position:sticky;
    top:96px;
  }
  .side-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:22px;
    box-shadow:var(--sh1);
  }
  .side-card h3{
    font-size:15px;
    font-weight:700;
    letter-spacing:.04em;
    color:var(--t3);
    text-transform:uppercase;
    margin-bottom:14px;
  }
  .anchor-list{display:flex;flex-direction:column;}
  .anchor-list a{
    display:flex;
    gap:10px;
    align-items:flex-start;
    padding:10px 0;
    font-size:15px;
    color:var(--t2);
    border-bottom:1px dashed var(--line);
  }
  .anchor-list a:last-child{border-bottom:0;}
  .anchor-list a span{color:var(--teal);font-size:13px;font-weight:700;line-height:1.7;}
  .anchor-list a:hover{color:var(--ink);}
  .side-links{display:flex;flex-direction:column;gap:10px;margin-bottom:16px;}
  .side-links a{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    font-size:15px;
    color:var(--t2);
    padding:9px 12px;
    border:1px solid var(--line);
    border-radius:10px;
    background:#FCFBF7;
  }
  .side-links a:hover{border-color:var(--lime);color:var(--ink);background:rgba(155,227,59,.1);}
  .side-links a::after{content:"→";color:var(--t3);font-size:14px;}
  .contact-mini{
    background:var(--ink);
    border-color:var(--ink);
    color:#fff;
  }
  .contact-mini h3{color:rgba(255,255,255,.55);}
  .contact-mini dl{display:flex;flex-direction:column;gap:9px;margin:0 0 18px;}
  .contact-mini dt{font-size:12.5px;color:rgba(255,255,255,.55);}
  .contact-mini dd{margin:0;font-size:15px;color:rgba(255,255,255,.9);}
  .contact-mini .btn{width:100%;}

  /* ---------- 通栏 CTA ---------- */
  .cta-band{
    background:var(--ink);
    color:#fff;
    padding:56px 0;
    border-top:1px solid var(--line-dark);
  }
  .cta-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:28px;
    flex-wrap:wrap;
  }
  .cta-inner h2{
    color:#fff;
    font-size:clamp(22px,2.8vw,30px);
    font-weight:700;
    margin-bottom:10px;
  }
  .cta-inner p{color:rgba(255,255,255,.72);font-size:16px;max-width:640px;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--ink);
    color:rgba(255,255,255,.78);
    padding:64px 0 0;
    border-top:1px solid var(--line-dark);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.1fr;
    gap:36px;
    padding-bottom:44px;
  }
  .footer-brand .logo{margin-bottom:16px;}
  .footer-brand p{
    font-size:14.5px;
    line-height:1.85;
    color:rgba(255,255,255,.62);
    max-width:340px;
  }
  .site-footer h4{
    color:#fff;
    font-size:15px;
    font-weight:600;
    margin-bottom:16px;
  }
  .footer-list{display:flex;flex-direction:column;gap:11px;}
  .footer-list a,.footer-list span{
    font-size:14.5px;
    color:rgba(255,255,255,.66);
  }
  .footer-list a:hover{color:var(--lime);}
  .footer-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    padding:20px 0 26px;
    border-top:1px solid var(--line-dark);
    font-size:13.5px;
    color:rgba(255,255,255,.5);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .container{padding:0 24px;}
    .nav-links,.header-actions .btn{display:none;}
    .nav-toggle{display:flex;}
    .layout{grid-template-columns:minmax(0,1fr);gap:36px;}
    .sidebar{position:static;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  }
  @media (max-width:768px){
    :root{--sec:72px;}
    .page-hero-inner{padding:40px 0 46px;}
    .main-section{padding:44px 0 64px;}
    .media-row{grid-template-columns:minmax(0,1fr);gap:18px;padding:26px 0;}
    .media-row.reverse .media-figure{order:0;}
    .media-figure{aspect-ratio:16/9;}
    .intro-card{padding:22px 20px;}
    .mini-grid{grid-template-columns:minmax(0,1fr);}
    .cta-inner{flex-direction:column;align-items:flex-start;}
    .cta-inner .btn{width:100%;}
  }
  @media (max-width:520px){
    body{font-size:16px;}
    .container{padding:0 16px;}
    .footer-grid{grid-template-columns:minmax(0,1fr);}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .page-hero h1{font-size:29px;}
    .section-title{font-size:20px;}
  }

/* roulang page: category3 */
:root{
  --ink:#0D1F1A;
  --lime:#9BE33B;
  --moss:#3E7C74;
  --bg:#F6F4EE;
  --card:#FFFFFF;
  --line:#E4E2D9;
  --line-dark:rgba(255,255,255,.10);
  --t1:#141A17;
  --t2:#5A6660;
  --t3:#8A948E;
  --gold:#E0A63C;
  --danger:#C0392B;
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --sh1:0 1px 2px rgba(20,26,23,.06);
  --sh2:0 12px 30px -14px rgba(13,31,26,.28);
  --sp:clamp(56px,8vw,110px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
a:hover{color:var(--moss)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}

.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
@media (max-width:1024px){.container{padding:0 24px}}
@media (max-width:520px){.container{padding:0 16px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  border-bottom:1px solid var(--line-dark);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:72px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-weight:800;font-size:17px;letter-spacing:-.01em;
  flex:0 0 auto;
}
.logo:hover{color:#fff}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:grid;place-items:center;
  background:var(--lime);color:var(--ink);
  border-radius:10px;font-size:16px;font-weight:800;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;
  color:rgba(255,255,255,.76);
  font-size:15px;font-weight:500;
  border-radius:10px;
  transition:color .18s ease,background .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;
  background:var(--lime);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#fff}
.nav-link.active::after{transform:scaleX(1)}
.header-cta{margin-left:8px;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 6px 18px -10px rgba(13,31,26,.6)}
.btn-primary:hover{background:#A8EC4E;color:var(--ink);transform:translateY(-1px);box-shadow:0 12px 26px -12px rgba(13,31,26,.6)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--t1);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--lime);background:rgba(155,227,59,.10);color:var(--t1);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn-outline-light:hover{background:rgba(255,255,255,.10);border-color:var(--lime);color:#fff;transform:translateY(-1px)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.btn:disabled{opacity:.5;transform:none;box-shadow:none;cursor:not-allowed}
.btn-block{width:100%}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  border:1px solid var(--line-dark);border-radius:10px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{
  display:none;
  background:var(--ink);
  border-top:1px solid var(--line-dark);
  padding:16px 0 22px;
}
.mobile-drawer.open{display:block}
.mobile-drawer .drawer-cta{margin-bottom:14px}
.mobile-drawer .nav-link{display:flex;width:100%;padding:0 4px;min-height:48px;border-radius:8px}
.mobile-drawer .nav-link::after{left:4px;right:auto;width:20px;bottom:6px}
@media (max-width:1023px){
  .nav-links,.header-cta{display:none}
  .nav-toggle{display:flex}
}

/* ============ 页头 Banner ============ */
.page-banner{
  position:relative;
  background:var(--ink);
  color:#fff;
  overflow:hidden;
  padding:64px 0 68px;
  border-bottom:1px solid var(--line-dark);
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.page-banner .banner-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.35fr .85fr;gap:48px;align-items:center;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:20px}
.crumb a{color:rgba(255,255,255,.62)}
.crumb a:hover{color:var(--lime)}
.crumb .sep{opacity:.5}
.crumb .cur{color:#fff}
.stamp{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:6px;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.05);
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--lime);margin-bottom:20px;
}
.stamp i{width:8px;height:8px;background:var(--lime);border-radius:2px;display:inline-block}
.page-banner h1{
  font-size:clamp(30px,4.4vw,50px);
  font-weight:800;letter-spacing:-.02em;line-height:1.18;
}
.page-banner h1 em{
  font-style:normal;
  background:linear-gradient(transparent 62%,rgba(155,227,59,.36) 62%);
  padding-right:2px;
}
.banner-lead{
  margin-top:22px;max-width:640px;
  font-size:16.5px;line-height:1.8;
  color:rgba(255,255,255,.78);
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.banner-tags span{
  padding:7px 13px;border-radius:999px;
  border:1px solid var(--line-dark);
  background:rgba(255,255,255,.05);
  font-size:13px;color:rgba(255,255,255,.8);
}
.banner-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line-dark);
  aspect-ratio:4/3;
  box-shadow:0 24px 50px -30px rgba(0,0,0,.7);
}
.banner-media img{width:100%;height:100%;object-fit:cover;opacity:.86}
.banner-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,31,26,.12),rgba(13,31,26,.55));
}
.banner-note{
  position:absolute;left:16px;right:16px;bottom:16px;z-index:3;
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;border-radius:12px;
  background:rgba(13,31,26,.72);
  border:1px solid var(--line-dark);
  backdrop-filter:blur(2px);
}
.banner-note .dot{
  width:34px;height:34px;flex:0 0 34px;border-radius:9px;
  background:var(--lime);color:var(--ink);
  display:grid;place-items:center;font-weight:800;font-size:15px;
}
.banner-note p{font-size:13.5px;color:rgba(255,255,255,.85);line-height:1.6}
.banner-note strong{display:block;color:#fff;font-size:14px;font-weight:600;margin-bottom:2px}
@media (max-width:900px){
  .page-banner .banner-grid{grid-template-columns:1fr;gap:32px}
  .banner-media{max-width:560px}
}
@media (max-width:520px){
  .page-banner{padding:44px 0 48px}
}

/* ============ 主体布局 ============ */
.main-wrap{padding:var(--sp) 0}
.layout{display:grid;grid-template-columns:minmax(0,1.95fr) minmax(0,1fr);gap:44px;align-items:start}
@media (max-width:1023px){
  .layout{grid-template-columns:1fr;gap:36px}
}

.section-block{margin-bottom:52px}
.section-block:last-child{margin-bottom:0}
.sec-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:22px}
.sec-head .bar{width:4px;height:30px;border-radius:2px;background:var(--lime);flex:0 0 4px;margin-top:6px}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700}
.sec-head .sec-sub{margin-top:8px;font-size:15px;color:var(--t2)}
.sec-index{
  display:inline-flex;align-items:center;gap:8px;
  font-family:Barlow,Inter,sans-serif;font-size:13px;font-weight:700;
  color:var(--moss);letter-spacing:.08em;margin-bottom:10px;
}
.sec-index::before{content:"";width:22px;height:1px;background:var(--moss);display:block}
.prose p{color:var(--t2);font-size:16.5px;line-height:1.85}
.prose p + p{margin-top:14px}
.prose strong{color:var(--t1);font-weight:600}

/* 两列对照：问题 - 说明 */
.compare-list{display:flex;flex-direction:column;gap:16px;margin-top:24px}
.compare-row{
  display:grid;grid-template-columns:minmax(0,1fr) 1px minmax(0,1.35fr);
  gap:0;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh1);
  overflow:hidden;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.compare-row:hover{box-shadow:var(--sh2);transform:translateY(-3px);border-color:#D6D4C8}
.compare-q{
  padding:22px 24px;
  background:linear-gradient(180deg,#FCFBF7,#FFFFFF);
}
.compare-q .q-label{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
  color:var(--gold);margin-bottom:10px;
}
.compare-q .q-label i{width:7px;height:7px;border-radius:2px;background:var(--gold);display:block}
.compare-q h3{font-size:18px;font-weight:600;line-height:1.45}
.compare-q p{margin-top:10px;font-size:14.5px;color:var(--t3);line-height:1.7}
.compare-div{background:var(--line)}
.compare-a{padding:22px 24px}
.compare-a .a-label{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
  color:var(--moss);margin-bottom:10px;
}
.compare-a .a-label i{width:7px;height:7px;border-radius:2px;background:var(--moss);display:block}
.compare-a p{font-size:15.5px;color:var(--t2);line-height:1.8}
.compare-a ul{margin-top:12px;display:flex;flex-direction:column;gap:8px}
.compare-a li{
  position:relative;padding-left:18px;
  font-size:14.5px;color:var(--t2);line-height:1.7;
}
.compare-a li::before{
  content:"";position:absolute;left:0;top:9px;
  width:7px;height:7px;background:var(--moss);border-radius:2px;
}
@media (max-width:720px){
  .compare-row{grid-template-columns:1fr;}
  .compare-div{height:1px;width:100%}
}

/* 小卡两列 */
.mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:24px}
.mini-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh1);
  transition:box-shadow .2s ease,transform .2s ease;
}
.mini-card:hover{box-shadow:var(--sh2);transform:translateY(-3px)}
.mini-card .mini-ico{
  width:38px;height:38px;border-radius:10px;
  display:grid;place-items:center;
  background:rgba(62,124,116,.12);color:var(--moss);
  font-weight:800;font-size:15px;margin-bottom:14px;
}
.mini-card h3{font-size:17.5px;font-weight:600;margin-bottom:8px}
.mini-card p{font-size:14.5px;color:var(--t2);line-height:1.75}
@media (max-width:640px){.mini-grid{grid-template-columns:1fr}}

/* 顺序编号带 */
.step-strip{
  margin-top:26px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
}
.step-strip div{background:var(--card);padding:20px 18px}
.step-strip .n{
  font-family:Barlow,Inter,sans-serif;font-variant-numeric:tabular-nums;
  font-size:22px;font-weight:800;color:var(--lime);
  -webkit-text-stroke:1px rgba(13,31,26,.35);
  margin-bottom:10px;
}
.step-strip h4{font-size:15.5px;font-weight:600;margin-bottom:6px}
.step-strip p{font-size:13.5px;color:var(--t3);line-height:1.65}
@media (max-width:820px){.step-strip{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.step-strip{grid-template-columns:1fr}}

/* 郑重提示条 */
.tip-bar{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 20px;border-radius:14px;
  background:rgba(62,124,116,.08);
  border:1px solid rgba(62,124,116,.22);
  margin-top:22px;
}
.tip-bar .t-ico{
  width:30px;height:30px;flex:0 0 30px;border-radius:8px;
  background:var(--moss);color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:14px;
}
.tip-bar p{font-size:14.5px;color:var(--t2);line-height:1.75}
.tip-bar strong{color:var(--t1)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;margin-top:24px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:var(--lime);box-shadow:0 8px 24px -18px rgba(13,31,26,.4)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:18px 20px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--t1);
  min-height:56px;
}
.faq-q .q-bar{width:3px;height:18px;background:var(--moss);border-radius:2px;flex:0 0 3px;transition:background .2s ease}
.faq-item.open .faq-q .q-bar{background:var(--lime)}
.faq-q .q-text{flex:1}
.faq-q .sign{
  width:26px;height:26px;flex:0 0 26px;position:relative;
  border-radius:8px;border:1px solid var(--line);
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--t2);
  transform:translate(-50%,-50%);
}
.faq-q .sign::before{width:12px;height:2px}
.faq-q .sign::after{width:2px;height:12px;transition:opacity .2s ease}
.faq-item.open .faq-q .sign{transform:rotate(180deg);border-color:var(--lime);background:rgba(155,227,59,.14)}
.faq-item.open .faq-q .sign::after{opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a p{
  padding:0 20px 20px 37px;
  font-size:15.5px;color:var(--t2);line-height:1.85;
}
.faq-a p + p{margin-top:10px}

/* ============ 侧栏 ============ */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
@media (max-width:1023px){.side-col{position:static}}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh1);
}
.side-card h3{
  font-size:16px;font-weight:700;margin-bottom:14px;
  display:flex;align-items:center;gap:9px;
}
.side-card h3::before{content:"";width:3px;height:15px;background:var(--lime);border-radius:2px}
.anchor-list{display:flex;flex-direction:column;gap:2px}
.anchor-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 10px;border-radius:9px;font-size:14.5px;color:var(--t2);
  min-height:44px;transition:background .18s ease,color .18s ease;
}
.anchor-list a:hover{background:rgba(155,227,59,.12);color:var(--t1)}
.anchor-list a .num-mark{
  font-family:Barlow,Inter,sans-serif;font-variant-numeric:tabular-nums;
  font-size:12.5px;color:var(--moss);font-weight:700;
}
.side-card.dark{background:var(--ink);border-color:var(--line-dark);color:#fff}
.side-card.dark h3{color:#fff}
.side-card.dark p{color:rgba(255,255,255,.72);font-size:14.5px;line-height:1.75}
.side-card.dark .btn{margin-top:16px}
.side-links{display:flex;flex-direction:column}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 4px;font-size:14.5px;color:var(--t2);
  border-bottom:1px solid var(--line);
  transition:color .18s ease,padding-left .18s ease;
}
.side-links a:last-child{border-bottom:0}
.side-links a:hover{color:var(--t1);padding-left:8px}
.side-links a span{color:var(--t3);font-size:13px}
.side-contact dl{margin:0;display:flex;flex-direction:column;gap:12px}
.side-contact dt{font-size:12.5px;color:var(--t3);letter-spacing:.04em}
.side-contact dd{margin:3px 0 0;font-size:14.5px;color:var(--t1);font-weight:500}
.side-contact .hl{color:var(--moss);font-weight:600}

/* ============ 通栏 CTA ============ */
.cta-band{
  background:var(--ink);color:#fff;
  padding:clamp(48px,6vw,80px) 0;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;
  width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(155,227,59,.16),transparent 68%);
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:700;max-width:620px}
.cta-inner p{margin-top:12px;color:rgba(255,255,255,.72);font-size:15.5px;max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
@media (max-width:640px){
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.74);padding:64px 0 0;border-top:1px solid var(--line-dark)}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;padding-bottom:44px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a,.footer-list span{font-size:14.5px;color:rgba(255,255,255,.66);transition:color .18s ease}
.footer-list a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;
  border-top:1px solid var(--line-dark);
  font-size:13.5px;color:rgba(255,255,255,.5);
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:48px}
}

/* roulang page: category4 */
:root{
    --ink:#0D1F1A;
    --ink-soft:#132A23;
    --lime:#9BE33B;
    --lime-dim:#86C92F;
    --teal:#3E7C74;
    --bg:#F6F4EE;
    --card:#FFFFFF;
    --line:#E4E2D9;
    --line-dark:rgba(255,255,255,.10);
    --text:#141A17;
    --muted:#5A6660;
    --weak:#8A948E;
    --gold:#E0A63C;
    --radius-card:16px;
    --radius-btn:12px;
    --radius-input:10px;
    --shadow-1:0 1px 2px rgba(20,26,23,.06);
    --shadow-2:0 12px 30px -14px rgba(13,31,26,.28);
    --font-cn:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    --font-num:"Inter","Barlow",system-ui,sans-serif;
  }
  *{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.75;
    color:var(--text);
    background:var(--bg);
    background-image:linear-gradient(rgba(13,31,26,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(13,31,26,.028) 1px,transparent 1px);
    background-size:56px 56px;
  }
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  ul,ol{padding:0;list-style:none}
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
  a:hover{color:var(--lime-dim)}
  button{font-family:inherit;cursor:pointer}
  input,select,textarea{font-family:inherit;font-size:15px}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
  .num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

  /* ---------- header ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:var(--ink);border-bottom:1px solid var(--line-dark)}
  .header-inner{display:flex;align-items:center;gap:28px;min-height:72px;padding:12px 0}
  .logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
  .logo:hover{color:#fff}
  .logo-mark{
    width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;
    background:var(--lime);color:var(--ink);border-radius:8px;font-weight:800;font-size:16px;
    box-shadow:inset 0 0 0 1px rgba(13,31,26,.18)
  }
  .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
  .nav-link{
    position:relative;padding:10px 12px;font-size:15px;font-weight:500;color:rgba(255,255,255,.78);
    border-radius:8px;transition:color .2s ease,background-color .2s ease
  }
  .nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
  .nav-link.active{color:#fff}
  .nav-link.active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--lime);border-radius:2px
  }
  .nav-cta{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
    background:var(--lime);color:var(--ink);font-weight:700;font-size:15px;
    border:1px solid transparent;transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
    box-shadow:0 6px 18px -10px rgba(155,227,59,.75)
  }
  .nav-cta:hover{filter:brightness(1.06);transform:translateY(-1px);color:var(--ink);box-shadow:0 12px 24px -12px rgba(155,227,59,.85)}
  .nav-cta:active{transform:translateY(0)}
  .nav-toggle{
    display:none;width:44px;height:44px;border:1px solid var(--line-dark);background:transparent;border-radius:10px;
    color:#fff;align-items:center;justify-content:center
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative}
  .nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff}
  .nav-toggle span::before{top:-6px}
  .nav-toggle span::after{top:6px}
  .mobile-drawer{display:none;background:var(--ink-soft);border-top:1px solid var(--line-dark);padding:16px 0 22px}
  .mobile-drawer.open{display:block}
  .mobile-drawer .container{display:flex;flex-direction:column;gap:8px}
  .drawer-link{padding:12px 4px;color:rgba(255,255,255,.82);font-size:16px;border-bottom:1px solid var(--line-dark)}
  .drawer-link.active{color:var(--lime)}
  .drawer-cta{margin-top:14px}

  /* ---------- banner ---------- */
  .page-banner{
    position:relative;background:var(--ink);color:#fff;overflow:hidden;
    border-bottom:1px solid var(--line-dark)
  }
  .page-banner::before{
    content:"";position:absolute;inset:0;
    background-image:url("/assets/images/backpic/back-2.webp");
    background-size:cover;background-position:center;opacity:.22
  }
  .page-banner::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(13,31,26,.95) 0%,rgba(13,31,26,.78) 55%,rgba(13,31,26,.55) 100%)
  }
  .banner-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:center;padding:72px 0 64px}
  .crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:18px}
  .crumbs a{color:rgba(255,255,255,.78)}
  .crumbs a:hover{color:var(--lime)}
  .crumbs .sep{color:rgba(255,255,255,.32)}
  .banner-badge{
    display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
    background:rgba(155,227,59,.14);border:1px solid rgba(155,227,59,.35);
    color:var(--lime);font-size:13px;font-weight:600;margin-bottom:18px
  }
  .page-banner h1{
    font-size:44px;line-height:1.22;font-weight:800;letter-spacing:-.01em;color:#fff
  }
  .page-banner h1 em{font-style:normal;color:var(--lime);border-bottom:3px solid rgba(155,227,59,.45);padding-bottom:2px}
  .banner-lead{margin-top:18px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.76);max-width:600px}
  .banner-figure{
    border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line-dark);
    aspect-ratio:4/3;background:rgba(255,255,255,.04)
  }
  .banner-figure img{width:100%;height:100%;object-fit:cover;opacity:.92}
  .seal{
    position:absolute;right:22px;bottom:22px;z-index:3;
    width:74px;height:74px;display:grid;place-items:center;text-align:center;
    border:1px solid rgba(155,227,59,.5);border-radius:12px;
    color:var(--lime);font-size:12px;line-height:1.3;letter-spacing:.06em;
    background:rgba(13,31,26,.55);padding:6px
  }

  /* ---------- layout ---------- */
  .layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:48px;padding:72px 0 88px;align-items:start}
  .section-block{margin-bottom:44px}
  .section-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:16px}
  .section-head::before{content:"";width:4px;border-radius:3px;background:var(--lime);flex:0 0 4px;align-self:stretch;min-height:26px}
  .section-head h2{font-size:30px;line-height:1.32;font-weight:700;letter-spacing:-.01em}
  .section-block p{color:var(--muted);font-size:16.5px;line-height:1.85;margin-bottom:14px}
  .section-block p:last-child{margin-bottom:0}

  /* timeline */
  .timeline{position:relative;margin-top:8px}
  .tl-item{position:relative;display:grid;grid-template-columns:64px minmax(0,1fr);gap:24px;padding-bottom:36px}
  .tl-item:last-child{padding-bottom:0}
  .tl-item:not(:last-child)::before{
    content:"";position:absolute;left:31px;top:58px;bottom:6px;width:1px;background:var(--line)
  }
  .tl-marker{
    width:64px;height:64px;border-radius:16px;display:grid;place-items:center;
    background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-1);
    font-family:var(--font-num);font-size:19px;font-weight:800;color:var(--teal);
    font-variant-numeric:tabular-nums;transition:border-color .2s ease,color .2s ease,transform .2s ease
  }
  .tl-item:hover .tl-marker{border-color:var(--lime);color:var(--ink);transform:translateY(-2px)}
  .tl-body{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:24px 26px;box-shadow:var(--shadow-1);transition:box-shadow .25s ease,border-color .25s ease
  }
  .tl-body:hover{box-shadow:var(--shadow-2);border-color:#D9D6CB}
  .tl-body h2{font-size:21px;font-weight:700;letter-spacing:-.01em;margin-bottom:12px;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
  .tl-body p{color:var(--muted);font-size:16px;line-height:1.85;margin-bottom:12px}
  .tl-body p:last-child{margin-bottom:0}
  .chip{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
    background:rgba(62,124,116,.12);border:1px solid rgba(62,124,116,.28);
    color:var(--teal);font-size:12px;font-weight:600;letter-spacing:.02em
  }
  .chip.gold{background:rgba(224,166,60,.14);border-color:rgba(224,166,60,.38);color:#9A6E13}
  .tl-list{margin-top:14px;display:flex;flex-direction:column;gap:10px}
  .tl-list li{position:relative;padding-left:20px;color:var(--muted);font-size:15.5px;line-height:1.75}
  .tl-list li::before{
    content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;
    background:var(--lime);box-shadow:inside 0 0 0 1px rgba(13,31,26,.12)
  }
  .tl-list li strong{color:var(--text);font-weight:600}

  .inline-figure{margin:8px 0 44px;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);background:var(--card)}
  .inline-figure .ratio{aspect-ratio:16/7;overflow:hidden}
  .inline-figure img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
  .inline-figure:hover img{transform:scale(1.03)}
  .inline-figure figcaption{
    padding:12px 18px;font-size:13px;color:var(--weak);border-top:1px solid var(--line);background:#FCFBF8
  }

  /* quick note grid */
  .note-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}
  .note-card{
    border:1px solid var(--line);border-radius:14px;padding:18px 18px 16px;background:#FCFBF8;
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease
  }
  .note-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D9D6CB}
  .note-card h3{font-size:16px;font-weight:700;margin-bottom:8px}
  .note-card p{font-size:14.5px;color:var(--muted);line-height:1.75;margin:0}

  /* faq */
  .faq-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
  .faq-item{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
  .faq-item[open]{border-color:var(--lime);box-shadow:var(--shadow-1)}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;
    padding:16px 20px;font-size:17px;font-weight:600;color:var(--text)
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--teal);flex:0 0 4px}
  .faq-item summary::after{
    content:"+";margin-left:auto;font-family:var(--font-num);font-size:20px;color:var(--teal);
    transition:transform .2s ease,color .2s ease;line-height:1
  }
  .faq-item[open] summary::after{content:"−";color:var(--ink);transform:rotate(180deg)}
  .faq-item .faq-body{padding:0 20px 18px 36px;color:var(--muted);font-size:15.5px;line-height:1.8}

  /* ---------- sidebar ---------- */
  .sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
  .side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-1)}
  .side-card h3{font-size:15px;font-weight:700;letter-spacing:.02em;margin-bottom:14px;display:flex;align-items:center;gap:8px}
  .side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--lime)}
  .anchor-list{display:flex;flex-direction:column;gap:2px}
  .anchor-list a{
    display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;
    font-size:14.5px;color:var(--muted);transition:background-color .2s ease,color .2s ease
  }
  .anchor-list a .idx{font-family:var(--font-num);font-size:12px;color:var(--weak);min-width:20px}
  .anchor-list a:hover{background:rgba(155,227,59,.12);color:var(--ink)}
  .side-note{font-size:14px;color:var(--muted);line-height:1.75}
  .side-link-list{display:flex;flex-direction:column;gap:2px}
  .side-link-list a{display:block;padding:10px;border-radius:10px;font-size:14.5px;color:var(--muted)}
  .side-link-list a:hover{background:rgba(62,124,116,.08);color:var(--ink)}
  .side-thumb{border-radius:12px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10;margin-bottom:14px}
  .side-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
  .side-thumb:hover img{transform:scale(1.04)}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:46px;padding:0 22px;border-radius:var(--radius-btn);
    font-weight:700;font-size:15px;border:1px solid transparent;
    transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease
  }
  .btn-solid{background:var(--lime);color:var(--ink);box-shadow:0 8px 20px -12px rgba(155,227,59,.9)}
  .btn-solid:hover{filter:brightness(1.06);transform:translateY(-1px);color:var(--ink);box-shadow:0 14px 26px -14px rgba(155,227,59,.95)}
  .btn-solid:active{transform:translateY(0)}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
  .btn-ghost:hover{background:rgba(155,227,59,.08);border-color:var(--lime);color:var(--ink)}
  .btn-dark{background:var(--ink);color:#fff}
  .btn-dark:hover{filter:brightness(1.15);color:#fff;transform:translateY(-1px)}
  .btn-block{width:100%}

  /* ---------- cta strip ---------- */
  .cta-strip{background:var(--ink);color:#fff;position:relative;overflow:hidden;border-top:1px solid var(--line-dark)}
  .cta-strip::before{
    content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-3.png");
    background-size:cover;background-position:center;opacity:.14
  }
  .cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:56px 0}
  .cta-inner h2{font-size:30px;font-weight:700;letter-spacing:-.01em;line-height:1.3}
  .cta-inner p{margin-top:10px;color:rgba(255,255,255,.72);font-size:16px;max-width:620px}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
  .btn-outline-light{background:transparent;border-color:rgba(255,255,255,.32);color:#fff}
  .btn-outline-light:hover{background:rgba(255,255,255,.08);border-color:var(--lime);color:#fff}

  /* ---------- footer ---------- */
  .site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:64px 0 0;border-top:1px solid var(--line-dark)}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:44px}
  .footer-brand .logo{font-size:17px;margin-bottom:14px}
  .footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62);max-width:300px}
  .site-footer h4{font-size:14px;color:#fff;font-weight:700;letter-spacing:.04em;margin-bottom:16px}
  .footer-list{display:flex;flex-direction:column;gap:10px}
  .footer-list a,.footer-list span{font-size:14.5px;color:rgba(255,255,255,.66)}
  .footer-list a:hover{color:var(--lime)}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    border-top:1px solid var(--line-dark);padding:20px 0 26px;font-size:13.5px;color:rgba(255,255,255,.5)
  }

  /* ---------- responsive ---------- */
  @media (max-width:1024px){
    .container{padding:0 24px}
    .nav-links,.header-inner>.nav-cta{display:none}
    .nav-toggle{display:inline-flex;margin-left:auto}
    .banner-inner{grid-template-columns:1fr;gap:28px;padding:56px 0 52px}
    .banner-figure{max-width:520px}
    .page-banner h1{font-size:36px}
    .layout{grid-template-columns:1fr;gap:40px;padding:56px 0 72px}
    .sidebar{position:static}
    .cta-inner{flex-direction:column;align-items:flex-start;padding:48px 0}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  }
  @media (max-width:768px){
    .section-head h2{font-size:25px}
    .cta-inner h2{font-size:25px}
    .note-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
  }
  @media (max-width:640px){
    .container{padding:0 16px}
    body{font-size:15.5px}
    .page-banner h1{font-size:30px}
    .banner-lead{font-size:15.5px}
    .banner-inner{padding:44px 0 44px}
    .tl-item{grid-template-columns:44px minmax(0,1fr);gap:16px}
    .tl-marker{width:44px;height:44px;border-radius:12px;font-size:16px}
    .tl-item:not(:last-child)::before{left:21px;top:44px}
    .tl-body{padding:20px 18px}
    .tl-body h2{font-size:19px}
    .section-head h2{font-size:22px}
    .cta-inner h2{font-size:22px}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
    .seal{display:none}
  }