/* roulang page: index */
:root{
  --acid:#B6EE3A;
  --acid-soft:rgba(182,238,58,.10);
  --orange:#FF6B2C;
  --dark:#101318;
  --dark-2:#1B2029;
  --bg:#F5F6F2;
  --card:#FFFFFF;
  --line:#E3E6DF;
  --ink:#14171C;
  --ink-2:#5C6360;
  --ink-3:#8A918C;
  --link:#3F5A0B;
  --ok:#2FA36B;
  --warn:#E0A100;
  --err:#D7442E;
  --light:#F2F5EE;
  --light-2:rgba(242,245,238,.68);
  --r-card:16px;
  --r-panel:22px;
  --r-pill:999px;
  --s1:0 1px 2px rgba(16,19,24,.06);
  --s2:0 8px 24px -12px rgba(16,19,24,.18);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--t)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--acid);outline-offset:3px;border-radius:4px}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--acid);color:#101318}
.btn-primary:hover{background:#c7f75d;transform:translateY(-2px);box-shadow:0 10px 24px -14px rgba(182,238,58,.9)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:rgba(255,255,255,.28);color:var(--light);background:transparent}
.btn-ghost:hover{background:var(--acid-soft);border-color:var(--acid);color:#fff}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-outline:hover{border-color:var(--link);color:var(--link);background:#F7F9F3;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--link);border-bottom:1px solid rgba(63,90,11,.35);padding-bottom:2px}
.text-link:hover{color:#2f4408;border-bottom-color:#2f4408}
.text-link span{transition:transform var(--t)}
.text-link:hover span{transform:translateX(4px)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:linear-gradient(180deg,#101318 0%,#131820 100%);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-compact{box-shadow:var(--s2)}
.header-top{display:flex;align-items:center;gap:24px;height:80px;transition:height var(--t)}
.site-header.is-compact .header-top{height:64px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  position:relative;width:34px;height:34px;border-radius:10px;background:var(--acid);
  transform:skewX(-10deg);flex:0 0 34px;
}
.brand-mark::before{
  content:"";position:absolute;inset:9px;border:2px solid #101318;border-radius:50%;
  transform:skewX(10deg);
}
.brand-mark::after{
  content:"";position:absolute;right:-5px;top:50%;width:10px;height:10px;margin-top:-5px;
  background:var(--orange);border-radius:50%;border:2px solid #101318;
}
.brand-name{font-size:17px;font-weight:700;color:var(--light);letter-spacing:.2px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{padding:9px 16px;border-radius:var(--r-pill);font-size:15px;color:var(--light-2)}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.07)}
.main-nav a.is-active{color:var(--acid);background:var(--acid-soft)}
.header-cta{flex-shrink:0}
.nav-toggle{
  display:none;align-items:center;gap:10px;margin-left:auto;
  color:var(--light);font-size:14px;padding:8px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);
}
.nav-toggle i{display:block;width:16px;height:2px;background:currentColor;position:relative;transition:transform var(--t)}
.nav-toggle i::before,.nav-toggle i::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor}
.nav-toggle i::before{top:-5px}
.nav-toggle i::after{top:5px}
.nav-panel{
  display:flex;align-items:stretch;gap:10px;
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-panel);
  padding:12px;margin-bottom:18px;
  transition:padding var(--t),margin var(--t);
}
.site-header.is-compact .nav-panel{padding:8px;margin-bottom:12px}
.nav-card{
  position:relative;display:flex;flex-direction:column;justify-content:center;gap:2px;
  min-width:140px;padding:10px 16px;border-radius:14px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  transition:background var(--t),transform var(--t),border-color var(--t);
}
.nav-card:hover{background:rgba(255,255,255,.10);transform:translateY(-2px)}
.nav-card svg{width:16px;height:16px;stroke:rgba(242,245,238,.62);fill:none;stroke-width:1.6;transition:stroke var(--t)}
.nav-card:hover svg{stroke:var(--acid)}
.nav-card-name{font-size:15px;font-weight:600;color:var(--light)}
.nav-card-sub{font-size:12px;color:rgba(242,245,238,.6);line-height:1.5}
.site-header.is-compact .nav-card-sub{font-size:11px}
.nav-card.is-current{border-color:rgba(182,238,58,.55);background:var(--acid-soft)}
.nav-card.is-current::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;background:var(--acid);
}
.nav-card.is-current svg{stroke:var(--acid)}
.nav-panel .btn{margin-left:auto;align-self:center}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;color:var(--light);
  background:
    radial-gradient(110% 80% at 88% 0%,rgba(182,238,58,.16),transparent 58%),
    linear-gradient(180deg,#101318 0%,#161B24 62%,#101318 100%);
  padding:56px 0 104px;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 10px);
  opacity:.55;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
  min-height:560px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--acid);background:rgba(182,238,58,.10);border:1px solid rgba(182,238,58,.3);
  padding:6px 14px;border-radius:var(--r-pill);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acid)}
.hero h1{
  margin-top:24px;font-size:clamp(30px,3.6vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.5px;
}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:var(--light-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.badge-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:var(--light-2);
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);
}
.badge::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--acid)}
.hero-visual{position:relative;height:430px}
.hero-media{
  position:absolute;inset:0;border-radius:24px;
  background-image:linear-gradient(rgba(16,19,24,.72),rgba(16,19,24,.88)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border:1px solid rgba(255,255,255,.10);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.hero-float{
  position:absolute;background:var(--dark-2);
  border:1px solid rgba(255,255,255,.10);
  border-radius:16px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10);
}
.data-card{left:-30px;bottom:-24px;width:252px;padding:18px}
.data-card-head{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:rgba(242,245,238,.62)}
.data-value{margin-top:6px;font-size:26px;font-weight:700;color:var(--acid);font-family:var(--mono);line-height:1.2}
.meter{height:6px;border-radius:3px;background:rgba(255,255,255,.12);overflow:hidden;margin-top:14px}
.meter i{display:block;height:100%;border-radius:3px;background:var(--acid)}
.data-rows{margin-top:14px;display:grid;gap:8px}
.data-row{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:rgba(242,245,238,.62)}
.data-row b{color:var(--light);font-family:var(--mono);font-weight:700}
.hero-thumb{
  right:-22px;top:-22px;width:152px;height:104px;object-fit:cover;border-radius:12px;
}

/* ---------- section ---------- */
.section{padding:96px 0}
.section--tight{padding-top:0}
.section--contrast{background:#EFF1EA}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;
}
.section-head h2{font-size:clamp(24px,2.6vw,30px);line-height:1.32;font-weight:700;letter-spacing:-.3px}
.section-sub{margin-top:14px;font-size:16px;color:var(--ink-2);max-width:660px}
.section-kicker{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:1px;
  color:var(--link);background:var(--acid-soft);border-radius:6px;padding:4px 10px;margin-bottom:14px;
}

/* ---------- features ---------- */
.feature-grid{display:grid;grid-template-columns:5fr 4fr 3fr;gap:24px;align-items:start}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--s1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--s2);border-color:#D7DCD0}
.feature-card--accent{background:linear-gradient(180deg,rgba(182,238,58,.12),rgba(182,238,58,.02)),#fff}
.feature-card--lift{margin-top:36px}
.feature-num{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--link);letter-spacing:1px;transition:color var(--t)}
.feature-card:hover .feature-num{color:var(--orange)}
.feature-icon{
  width:46px;height:46px;border-radius:12px;margin:18px 0 16px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(16,19,24,.06);
}
.feature-icon svg{width:22px;height:22px;stroke:var(--ink);fill:none;stroke-width:1.6}
.feature-card h3{font-size:19px;font-weight:700;line-height:1.4}
.feature-card p{margin-top:12px;font-size:15px;line-height:1.78;color:var(--ink-2)}
.feature-card .text-link{margin-top:20px}
.feature-stat{
  margin-top:20px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--ink-3);
}
.feature-stat b{font-family:var(--mono);color:var(--ink);font-size:15px}

/* ---------- steps ---------- */
.steps-layout{display:grid;grid-template-columns:5fr 6fr;gap:56px;align-items:center}
.step-visual{position:relative}
.step-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--line);box-shadow:var(--s1);
}
.figcaption{margin-top:12px;font-size:13px;color:var(--ink-3);text-align:center}
.steps{position:relative}
.step{position:relative;padding-left:58px;padding-bottom:28px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:19px;top:42px;bottom:0;
  border-left:1px dashed rgba(63,90,11,.35);
}
.step:last-child::before{display:none}
.step-num{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);
  font-family:var(--mono);font-size:14px;font-weight:700;color:var(--ink-2);
  transition:background var(--t),color var(--t),border-color var(--t);
}
.step.is-active .step-num{background:var(--acid);border-color:var(--acid);color:#101318}
.step h3{font-size:18px;font-weight:700;line-height:1.5}
.step p{margin-top:8px;font-size:15px;color:var(--ink-2);line-height:1.78}

/* ---------- posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--s1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--s2);border-color:#D7DCD0}
.post-thumb{position:relative;display:block;overflow:hidden;aspect-ratio:16/9;background:#E8EBE3}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1)}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-badge{
  position:absolute;left:12px;top:12px;font-size:12px;font-weight:600;
  color:var(--link);background:rgba(246,255,226,.92);border:1px solid rgba(182,238,58,.5);
  border-radius:6px;padding:3px 9px;
}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-body h3{font-size:17px;font-weight:700;line-height:1.55;letter-spacing:-.2px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-body h3 a{color:var(--link)}
.post-body p{
  margin-top:10px;font-size:14px;line-height:1.7;color:var(--ink-2);flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.post-date{font-family:var(--mono);font-variant-numeric:tabular-nums}
.read-link{font-size:13px;font-weight:600;color:var(--link)}
.read-link:hover{color:#2f4408}
.list-more{display:flex;justify-content:center;margin-top:40px}
.empty-state{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:56px 32px;text-align:center;box-shadow:var(--s1);
}
.empty-state svg{width:34px;height:34px;stroke:var(--ink-3);fill:none;stroke-width:1.5;margin:0 auto 16px}
.empty-state h3{font-size:18px;font-weight:700}
.empty-state p{margin-top:10px;font-size:14px;color:var(--ink-3)}

/* ---------- social proof ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  background:var(--dark);border-radius:20px;padding:36px 32px;color:var(--light);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.stat-num{font-family:var(--mono);font-size:32px;font-weight:700;color:var(--acid);line-height:1.2}
.stat-label{margin-top:8px;font-size:13px;color:var(--light-2)}
.review-track{
  display:flex;gap:20px;margin-top:28px;padding:4px 4px 18px;
  overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 calc((100% - 40px)/3);scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--s1);
}
.review-head{display:flex;align-items:center;gap:12px}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  background:linear-gradient(140deg,#1B2029,#3A4450);color:var(--acid);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.review-name{font-size:15px;font-weight:600;line-height:1.4}
.review-role{font-size:13px;color:var(--ink-3)}
.stars{color:#E2611F;font-size:13px;letter-spacing:2px;margin-top:14px}
.review-text{margin-top:10px;font-size:14px;line-height:1.8;color:var(--ink-2)}
.quote{
  margin-top:40px;padding:24px 28px;border-left:3px solid var(--acid);
  background:rgba(182,238,58,.07);border-radius:0 12px 12px 0;
  font-size:15px;line-height:1.85;color:var(--ink-2);
}
.quote cite{display:block;margin-top:10px;font-style:normal;font-size:13px;color:var(--ink-3)}

/* ---------- faq ---------- */
.faq-list{max-width:820px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{position:relative;border-bottom:1px solid var(--line);transition:background var(--t)}
.faq-item.is-open{background:rgba(182,238,58,.07)}
.faq-item.is-open::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--acid)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:18px 20px;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--link)}
.faq-icon{
  position:relative;flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--link);transition:background var(--t),border-color var(--t);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--link);
  transform:translate(-50%,-50%);transition:background var(--t);
}
.faq-icon::before{width:12px;height:1.5px}
.faq-icon::after{width:1.5px;height:12px}
.faq-item.is-open .faq-icon{background:var(--acid);border-color:var(--acid)}
.faq-item.is-open .faq-icon::before{background:#101318}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms cubic-bezier(.2,.7,.3,1)}
.faq-item.is-open .faq-a{max-height:460px}
.faq-a-inner{padding:0 20px 26px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:760px}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:48px;
  background:linear-gradient(135deg,#101318 0%,#1B2029 100%);
  border-radius:24px;padding:56px;color:var(--light);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;
  background:var(--acid-soft);transform:skewX(-12deg);border-radius:32px;pointer-events:none;
}
.cta-band h2{font-size:clamp(23px,2.6vw,30px);font-weight:700;line-height:1.35;position:relative;z-index:2}
.cta-note{margin-top:14px;font-size:15px;color:var(--light-2);max-width:600px;position:relative;z-index:2}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;flex-shrink:0}

/* ---------- footer ---------- */
.site-footer{
  background:var(--dark);color:var(--light);
  border-top:1px solid rgba(255,255,255,.10);
  padding:72px 0 0;margin-top:96px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:var(--light-2);max-width:340px}
.footer-title{font-size:14px;font-weight:600;color:var(--acid);margin-bottom:16px}
.footer-links a{display:block;padding:6px 0;font-size:14px;color:rgba(242,245,238,.7)}
.footer-links a:hover{color:var(--acid);transform:translateX(2px);display:inline-block}
.footer-links p{padding:6px 0;font-size:14px;color:rgba(242,245,238,.7)}
.footer-note{margin-top:14px;font-size:13px;line-height:1.7;color:rgba(242,245,238,.48)}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0;text-align:center;font-size:13px;color:rgba(242,245,238,.5);
}

/* ---------- sticky cta ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  background:var(--dark);border-top:1px solid rgba(255,255,255,.10);
  transform:translateY(110%);opacity:0;pointer-events:none;
  transition:transform 200ms ease,opacity 200ms ease;
  padding-bottom:env(safe-area-inset-bottom);
}
.sticky-cta.is-visible{transform:translateY(0);opacity:1;pointer-events:auto}
.sticky-inner{display:flex;align-items:center;gap:20px;min-height:56px;padding:8px 0}
.sticky-text{flex:1;font-size:14px;color:var(--light-2);line-height:1.6}
.sticky-actions{display:flex;align-items:center;gap:10px}
.sticky-close{
  width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.18);
  color:rgba(242,245,238,.7);display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;transition:background var(--t),color var(--t);
}
.sticky-close:hover{background:rgba(255,255,255,.10);color:#fff}

/* ---------- form base ---------- */
.field{display:block;margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.input{
  width:100%;height:48px;padding:0 14px;border-radius:12px;
  border:1px solid var(--line);background:#fff;transition:border-color var(--t),box-shadow var(--t);
}
.input:focus{outline:none;border-color:var(--acid);box-shadow:0 0 0 3px rgba(182,238,58,.25)}
.input[disabled]{opacity:.4;cursor:not-allowed}
.field-hint{font-size:13px;color:var(--ink-3);margin-top:6px}
.field-error{font-size:13px;color:var(--err);margin-top:6px}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-grid{gap:40px;min-height:480px}
  .data-card{left:-12px}
  .hero-thumb{right:-10px}
  .feature-grid{grid-template-columns:5fr 4fr 3.4fr}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .hero{padding:44px 0 88px}
  .hero-grid{grid-template-columns:1fr;gap:48px;min-height:0}
  .hero-visual{height:360px}
  .feature-grid{grid-template-columns:1fr 1fr;gap:20px}
  .feature-card--lift{margin-top:0}
  .feature-card:last-child{grid-column:1 / -1}
  .steps-layout{grid-template-columns:1fr;gap:40px}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr);gap:28px 20px}
  .review-card{flex:0 0 calc((100% - 20px)/2)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .nav-panel{overflow-x:auto;scrollbar-width:none}
  .nav-panel::-webkit-scrollbar{display:none}
}
@media (max-width:768px){
  body{padding-bottom:72px}
  .container{padding:0 16px}
  .header-top{height:66px;gap:12px}
  .brand-name{font-size:16px}
  .main-nav,.header-cta,.nav-panel{display:none}
  .nav-toggle{display:inline-flex}
  .site-header.is-open{position:fixed;inset:0;overflow-y:auto;padding-bottom:32px}
  .site-header.is-open .main-nav{
    display:flex;flex-direction:column;align-items:stretch;gap:10px;margin:20px 0 16px;
  }
  .site-header.is-open .main-nav a{
    padding:16px 18px;font-size:16px;border-radius:14px;
    background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);color:var(--light);
  }
  .site-header.is-open .main-nav a.is-active{
    color:var(--acid);background:var(--acid-soft);border-color:rgba(182,238,58,.42);
  }
  .site-header.is-open .nav-panel{display:flex;flex-direction:column;margin-bottom:16px}
  .site-header.is-open .nav-card{flex-direction:row;align-items:center;gap:14px;min-width:0;min-height:58px;padding:14px 16px}
  .site-header.is-open .nav-card.is-current::before{top:14px;bottom:14px}
  .site-header.is-open .nav-panel .btn{display:inline-flex;width:100%;margin:4px 0 0}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:28px}
  .hero{padding:32px 0 72px}
  .hero h1{font-size:28px;line-height:1.28}
  .hero-sub{font-size:16px}
  .hero-actions{gap:10px;margin-top:26px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-visual{height:320px}
  .data-card{left:0;bottom:-18px;width:216px;padding:14px}
  .data-value{font-size:22px}
  .hero-thumb{width:120px;height:84px;right:0;top:-16px}
  .feature-grid{grid-template-columns:1fr}
  .feature-card{padding:24px}
  .post-grid{grid-template-columns:1fr}
  .stats{padding:28px 22px;border-radius:16px}
  .stat-num{font-size:26px}
  .review-card{flex:0 0 84%}
  .quote{padding:20px}
  .faq-q{font-size:16px;padding:16px 14px;gap:14px}
  .faq-a-inner{padding:0 14px 22px}
  .cta-band{padding:32px 24px;border-radius:18px;gap:28px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding-top:52px;margin-top:64px}
  .sticky-inner{gap:12px;min-height:60px}
  .sticky-text{font-size:13px}
  .sticky-actions .btn-ghost{display:none}
  .sticky-actions .btn{padding:0 16px}
}
@media (max-width:479px){
  .hero h1{font-size:25px}
  .eyebrow{font-size:12px;padding:5px 12px}
  .badge{font-size:12px;padding:5px 12px}
  .hero-visual{height:280px}
  .data-card{width:190px}
  .hero-thumb{width:104px;height:72px}
  .stat-num{font-size:23px}
  .review-card{flex:0 0 92%}
  .sticky-text{max-width:150px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --lime:#B6EE3A;
  --lime-hover:#C8F45F;
  --lime-ink:#3F5A0B;
  --lime-soft:rgba(182,238,58,.10);
  --orange:#FF6B2C;
  --dark:#101318;
  --dark-2:#1B2029;
  --dark-3:#131820;
  --bg:#F5F6F2;
  --card:#FFFFFF;
  --border:#E3E6DF;
  --text:#14171C;
  --text-2:#5C6360;
  --text-3:#8A918C;
  --on-dark:#F2F5EE;
  --on-dark-2:rgba(242,245,238,.68);
  --on-dark-3:rgba(242,245,238,.50);
  --line-dark:rgba(255,255,255,.10);
  --ok:#2FA36B;
  --warn:#E0A100;
  --err:#D7442E;
  --r-xs:6px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --s1:0 1px 2px rgba(16,19,24,.06);
  --s2:0 8px 24px -12px rgba(16,19,24,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

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

/* ---------------- 按钮 ---------------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-primary{background:var(--lime);color:#12170A;}
.btn-primary:hover{background:var(--lime-hover);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:var(--on-dark);}
.btn-ghost:hover{background:var(--lime-soft);border-color:var(--lime);color:var(--lime);}
.btn-ghost-light{background:transparent;border-color:var(--border);color:var(--text);}
.btn-ghost-light:hover{background:var(--lime-soft);border-color:var(--lime);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn:disabled{opacity:.4;cursor:not-allowed;}

/* ---------------- 头部与导航 ---------------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:var(--dark);
  border-bottom:1px solid var(--line-dark);
  transition:box-shadow .18s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -12px rgba(16,19,24,.55);}
.header-top{
  display:flex;
  align-items:center;
  gap:24px;
  height:76px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--on-dark);
  font-weight:700;
  font-size:17px;
}
.brand-mark{
  position:relative;
  width:28px;
  height:28px;
  flex:0 0 28px;
  border-radius:9px;
  background:var(--lime);
  transform:skewX(-8deg);
}
.brand-mark::after{
  content:"";
  position:absolute;
  right:-4px;
  bottom:-4px;
  width:11px;
  height:11px;
  border-radius:50%;
  background:var(--dark);
  border:2px solid var(--lime);
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
}
.main-nav a{
  position:relative;
  padding:8px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--on-dark-2);
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.main-nav a:hover{color:var(--on-dark);background:rgba(255,255,255,.06);}
.main-nav a.is-active{color:var(--lime);}
.main-nav a.is-active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:1px;
  height:2px;
  border-radius:2px;
  background:var(--lime);
}
.header-cta{margin-left:auto;}
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-dark);
  color:var(--on-dark);
  font-size:14px;
  cursor:pointer;
  transition:background-color .18s var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.12);}
.nav-toggle i{
  display:block;
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--lime);
  box-shadow:0 -5px 0 var(--lime),0 5px 0 var(--lime);
}

.nav-panel{
  display:flex;
  align-items:stretch;
  gap:10px;
  padding:12px;
  margin-bottom:14px;
  border-radius:var(--r-lg);
  background:var(--dark-3);
  border:1px solid rgba(255,255,255,.08);
}
.nav-card{
  flex:1 1 0;
  min-width:0;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:2px;
  padding:10px 14px;
  border-radius:14px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  color:var(--on-dark);
  transition:background-color .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
}
.nav-card svg{
  width:14px;
  height:14px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.6;
  stroke-linecap:round;
  stroke-linejoin:round;
  color:var(--on-dark-2);
  transition:color .18s var(--ease);
}
.nav-card-name{font-size:15px;font-weight:600;}
.nav-card-sub{font-size:12px;color:var(--on-dark-3);}
.nav-card:hover{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.16);transform:translateY(-2px);}
.nav-card:hover svg{color:var(--lime);}
.nav-card.is-current{
  border-color:var(--lime);
  box-shadow:inset 3px 0 0 var(--lime);
}
.nav-card.is-current svg{color:var(--lime);}
.nav-panel > .btn{flex:0 0 auto;align-self:center;margin-left:2px;}

/* ---------------- 面包屑 ---------------- */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:26px 0 0;
  font-size:13px;
  line-height:1.6;
  color:var(--text-3);
}
.crumbs a{color:var(--text-2);transition:color .18s var(--ease);}
.crumbs a:hover{color:var(--lime-ink);text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:3px;}
.crumbs .sep{color:var(--lime);font-weight:700;}
.crumbs .current{color:var(--text-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------------- 文章头 ---------------- */
.article-head{padding:22px 0 0;}
.article-head h1{
  font-size:40px;
  line-height:1.28;
  font-weight:700;
  max-width:940px;
  margin:0 0 22px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  padding:14px 0;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  font-size:13px;
  color:var(--text-2);
  font-variant-numeric:tabular-nums;
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--lime);}
.article-meta .chip{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 10px;
  border-radius:var(--r-xs);
  background:var(--lime-soft);
  border:1px solid rgba(63,90,11,.16);
  color:var(--lime-ink);
  font-size:12px;
  font-weight:600;
}
.article-cover{
  margin:28px 0 0;
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--border);
  aspect-ratio:16/9;
  background:#E9ECE4;
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

/* ---------------- 正文布局 ---------------- */
.article-wrap{padding:48px 0 0;}
.article-layout{
  display:grid;
  grid-template-columns:24px minmax(0,1fr);
  gap:44px;
  align-items:start;
}
.article-rail{
  position:sticky;
  top:120px;
  width:4px;
  height:240px;
  margin-left:10px;
  border-radius:4px;
  background:repeating-linear-gradient(180deg,rgba(20,23,28,.22) 0 1px,transparent 1px 20px);
}
.article-rail::before{
  content:"";
  position:absolute;
  left:-3px;
  top:0;
  width:10px;
  height:10px;
  border-radius:3px;
  background:var(--lime);
}
.article-body{
  max-width:760px;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:30px;
  line-height:1.32;
  margin:64px 0 18px;
  padding-top:6px;
}
.article-body h2::after{
  content:"";
  display:block;
  width:44px;
  height:3px;
  margin-top:12px;
  border-radius:3px;
  background:var(--lime);
}
.article-body h3{font-size:22px;line-height:1.45;margin:34px 0 12px;}
.article-body h4{font-size:18px;line-height:1.5;margin:26px 0 10px;color:var(--text-2);}
.article-body ul,.article-body ol{margin:0 0 1.2em;}
.article-body ul li{position:relative;padding-left:24px;margin-bottom:9px;}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:.66em;
  width:9px;
  height:9px;
  border-radius:2px;
  background:var(--lime);
  box-shadow:0 0 0 1px rgba(63,90,11,.35);
}
.article-body ol{counter-reset:item;}
.article-body ol li{position:relative;padding-left:34px;margin-bottom:9px;counter-increment:item;}
.article-body ol li::before{
  content:counter(item,decimal-leading-zero);
  position:absolute;
  left:0;
  top:.12em;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:13px;
  font-weight:700;
  color:var(--lime-ink);
}
.article-body blockquote{
  margin:26px 0;
  padding:18px 22px;
  border-left:3px solid var(--lime);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  background:var(--lime-soft);
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-sm);margin:26px auto;}
.article-body figure{margin:26px 0;}
.article-body figcaption{
  margin-top:10px;
  text-align:center;
  font-size:13px;
  line-height:1.6;
  color:var(--text-3);
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:15px;
  border:1px solid var(--border);
  border-radius:var(--r-sm);
  overflow:hidden;
}
.article-body th{
  background:rgba(182,238,58,.18);
  text-align:left;
  font-weight:600;
  padding:13px 16px;
  border-bottom:1px solid var(--border);
}
.article-body td{padding:13px 16px;border-bottom:1px solid var(--border);}
.article-body tbody tr:nth-child(even){background:#FAFBF7;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body a{
  color:var(--lime-ink);
  text-decoration:underline;
  text-decoration-color:var(--lime);
  text-underline-offset:3px;
  transition:color .18s var(--ease);
}
.article-body a:hover{color:var(--text);}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:14px;
  padding:2px 6px;
  border-radius:var(--r-xs);
  background:rgba(20,23,28,.06);
}
.article-body hr{border:0;border-top:1px solid var(--border);margin:40px 0;}

/* ---------------- 标签 ---------------- */
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:44px 0 0;
  padding-top:24px;
  border-top:1px solid var(--border);
}
.tag{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 15px;
  border-radius:var(--r-pill);
  border:1px solid rgba(63,90,11,.30);
  background:var(--lime-soft);
  color:var(--lime-ink);
  font-size:13px;
  font-weight:600;
}

/* ---------------- 相关入口 ---------------- */
.related{padding:76px 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-head h2{font-size:30px;line-height:1.35;}
.section-head .sub{
  margin-top:8px;
  font-size:14px;
  color:var(--text-2);
}
.section-head .more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--lime-ink);
  white-space:nowrap;
}
.section-head .more:hover{text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:4px;}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.post-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--s1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--s2);border-color:#D6DBCB;}
.post-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#E9ECE4;
}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .18s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.02);}
.post-badge{
  position:absolute;
  left:12px;
  top:12px;
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 10px;
  border-radius:var(--r-xs);
  background:rgba(182,238,58,.92);
  color:#12170A;
  font-size:12px;
  font-weight:600;
}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{
  font-size:17px;
  line-height:1.5;
  font-weight:600;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card:hover .post-body h3{color:var(--lime-ink);}
.post-body p{
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--border);
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.post-foot .go{
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-weight:600;
  color:var(--lime-ink);
}

/* ---------------- 返回与 CTA ---------------- */
.back-row{display:flex;justify-content:center;padding:64px 0 0;}
.cta-block{padding:56px 0 0;}
.cta-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:40px 44px;
  border-radius:var(--r-lg);
  background:var(--dark);
  color:var(--on-dark);
  border:1px solid rgba(255,255,255,.08);
}
.cta-card h2{font-size:26px;line-height:1.4;margin-bottom:10px;}
.cta-card p{font-size:15px;line-height:1.8;color:var(--on-dark-2);max-width:560px;}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;}

/* ---------------- 空态 ---------------- */
.empty-state{
  max-width:760px;
  padding:56px 40px;
  text-align:center;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--s1);
}
.empty-icon{
  width:52px;
  height:52px;
  margin:0 auto 18px;
  border-radius:50%;
  border:1.5px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:center;
}
.empty-icon svg{width:22px;height:22px;fill:none;stroke:var(--text-3);stroke-width:1.5;stroke-linecap:round;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:22px;}

/* ---------------- 页脚 ---------------- */
.site-footer{
  margin-top:96px;
  background:var(--dark);
  border-top:1px solid var(--line-dark);
  color:var(--on-dark);
  padding:72px 0 40px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid var(--line-dark);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-size:17px;font-weight:700;}
.footer-desc{font-size:14px;line-height:1.8;color:var(--on-dark-2);max-width:340px;}
.footer-title{font-size:14px;font-weight:600;color:var(--lime);margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14px;
  color:rgba(242,245,238,.70);
  transition:color .18s var(--ease),transform .18s var(--ease);
  display:inline-block;
}
.footer-links a:hover{color:var(--lime);transform:translateX(2px);}
.footer-links p{font-size:14px;color:rgba(242,245,238,.70);}
.footer-note{margin-top:12px;font-size:13px;line-height:1.7;color:var(--on-dark-3);}
.footer-bottom{
  padding-top:26px;
  text-align:center;
  font-size:13px;
  color:var(--on-dark-3);
}

/* ---------------- 固定转化条 ---------------- */
.sticky-bar{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:60;
  background:var(--dark);
  border-top:1px solid var(--line-dark);
  padding-bottom:env(safe-area-inset-bottom);
  transform:translateY(110%);
  transition:transform .2s var(--ease);
}
.sticky-bar.is-visible{transform:translateY(0);}
.sticky-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:60px;
}
.sticky-text{font-size:14px;color:var(--on-dark-2);}
.sticky-text strong{color:var(--on-dark);font-weight:600;}
.sticky-actions{display:flex;align-items:center;gap:10px;}
.sticky-close{
  width:32px;
  height:32px;
  border-radius:50%;
  border:1px solid var(--line-dark);
  background:transparent;
  color:var(--on-dark-2);
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  line-height:1;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.sticky-close:hover{background:rgba(255,255,255,.10);color:var(--on-dark);}

/* ---------------- 响应式 ---------------- */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .article-head h1{font-size:36px;}
  .article-body h2{font-size:27px;}
  .card-grid{gap:20px;}
}
@media (max-width:1023px){
  .header-top{height:70px;gap:16px;}
  .main-nav a{padding:8px 11px;font-size:14px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-rail{display:none;}
  .article-head h1{font-size:32px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1.2fr;gap:32px;}
  .footer-col:last-child{grid-column:1 / -1;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-card{flex-direction:column;align-items:flex-start;padding:34px;}
}
@media (max-width:900px){
  .main-nav{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .site-header.nav-open .main-nav{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    position:absolute;
    left:0;
    right:0;
    top:100%;
    padding:12px 16px 16px;
    background:var(--dark);
    border-bottom:1px solid var(--line-dark);
    box-shadow:0 16px 32px -18px rgba(0,0,0,.7);
    margin:0;
  }
  .site-header.nav-open .main-nav a{padding:14px 12px;border-radius:var(--r-sm);font-size:15px;}
  .site-header.nav-open .main-nav a.is-active::after{display:none;}
  .nav-panel{overflow-x:auto;padding:10px;gap:8px;scrollbar-width:none;}
  .nav-panel::-webkit-scrollbar{display:none;}
  .nav-card{flex:0 0 auto;min-width:142px;}
  .nav-panel > .btn{display:none;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .article-head h1{font-size:28px;line-height:1.36;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:23px;margin:46px 0 14px;}
  .article-body h3{font-size:19px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:24px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:64px;padding:56px 0 32px;}
  .cta-card{padding:28px 22px;}
  .cta-card h2{font-size:22px;}
  .cta-actions{width:100%;flex-wrap:wrap;}
  .cta-actions .btn{flex:1 1 auto;}
  .sticky-text{font-size:13px;}
  .sticky-text span{display:none;}
  .related{padding:56px 0 0;}
  .crumbs{padding-top:18px;}
  .crumbs .current{white-space:normal;}
}
@media (max-width:520px){
  .brand{font-size:15px;}
  .article-meta{gap:8px 16px;}
  .sticky-actions .btn-ghost{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --lime:#B6EE3A;
  --lime-deep:#8FC321;
  --orange:#FF6B2C;
  --ink:#14171C;
  --ink-2:#5C6360;
  --ink-3:#8A918C;
  --dark:#101318;
  --dark-2:#1B2029;
  --paper:#F5F6F2;
  --white:#FFFFFF;
  --line:#E3E6DF;
  --line-dark:rgba(255,255,255,.10);
  --dark-text:#F2F5EE;
  --dark-text-2:rgba(242,245,238,.68);
  --link:#3F5A0B;
  --ok:#2FA36B;
  --warn:#E0A100;
  --err:#D7442E;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --r-pill:999px;
  --s1:0 1px 2px rgba(16,19,24,.06);
  --s2:0 8px 24px -12px rgba(16,19,24,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:180ms var(--ease);
  --gap:24px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  padding-bottom:0;
}
img{max-width:100%;display:block;}
a{color:var(--link);text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t),transform var(--t);}
a:hover{color:var(--lime-deep);}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;box-shadow:0 0 0 3px rgba(182,238,58,.22);border-radius:4px;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:#10160A;box-shadow:var(--s1);}
.btn-primary:hover{background:#C6F659;color:#10160A;transform:translateY(-2px);box-shadow:var(--s2);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--dark-text);border-color:rgba(255,255,255,.28);}
.btn-ghost:hover{background:rgba(182,238,58,.12);border-color:var(--lime);color:#fff;}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-outline:hover{background:rgba(182,238,58,.14);border-color:var(--lime);color:var(--ink);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:var(--dark);
  border-bottom:1px solid var(--line-dark);
  transition:padding var(--t),box-shadow var(--t),background var(--t);
}
.header-top{display:flex;align-items:center;gap:24px;padding:20px 0;}
.brand{display:flex;align-items:center;gap:12px;color:var(--dark-text);}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--dark-text);}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex:none;position:relative;
  background:linear-gradient(135deg,var(--lime) 0 46%,transparent 46%),var(--dark-2);
  border:1px solid rgba(255,255,255,.14);
}
.brand-mark::after{
  content:"";position:absolute;right:6px;bottom:6px;width:9px;height:9px;border-radius:50%;
  background:var(--orange);
}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.main-nav a{
  padding:9px 14px;border-radius:var(--r-pill);font-size:15px;font-weight:500;
  color:var(--dark-text-2);
}
.main-nav a:hover{color:var(--dark-text);background:rgba(255,255,255,.07);}
.main-nav a.is-active{color:#10160A;background:var(--lime);font-weight:600;}
.header-cta{margin-left:auto;}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  color:var(--dark-text);height:42px;padding:0 14px;border-radius:var(--r-pill);font-size:14px;
}
.nav-toggle i{width:16px;height:2px;background:var(--lime);position:relative;display:block;border-radius:2px;}
.nav-toggle i::before,.nav-toggle i::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--lime);border-radius:2px;
}
.nav-toggle i::before{top:-5px;}
.nav-toggle i::after{top:5px;}

.nav-panel{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  background:var(--dark-2);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-xl);
  padding:12px;
  margin-bottom:22px;
  transition:padding var(--t),margin var(--t);
}
.nav-panel .nav-card{
  flex:1 1 150px;min-height:72px;
  display:flex;flex-direction:column;justify-content:center;gap:2px;
  padding:12px 14px;border-radius:14px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  color:var(--dark-text);position:relative;
  transition:background var(--t),transform var(--t),border-color var(--t);
}
.nav-panel .nav-card:hover{background:rgba(255,255,255,.10);transform:translateY(-2px);color:var(--dark-text);}
.nav-panel .nav-card svg{
  width:20px;height:20px;fill:none;stroke:var(--dark-text-2);stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;margin-bottom:4px;
}
.nav-panel .nav-card:hover svg{stroke:var(--lime);}
.nav-card-name{font-size:15px;font-weight:600;line-height:1.4;}
.nav-card-sub{font-size:12px;color:rgba(242,245,238,.6);line-height:1.5;}
.nav-card.is-current{background:rgba(182,238,58,.10);border-color:rgba(182,238,58,.55);}
.nav-card.is-current::before{
  content:"";position:absolute;left:-1px;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--lime);
}
.nav-card.is-current svg{stroke:var(--lime);}
.nav-panel .btn{margin-left:auto;}
.site-header.is-compact .header-top{padding:10px 0;}
.site-header.is-compact .nav-panel{
  padding:8px;margin-bottom:12px;overflow-x:auto;flex-wrap:nowrap;
  scrollbar-width:none;
}
.site-header.is-compact .nav-panel::-webkit-scrollbar{display:none;}
.site-header.is-compact .nav-panel .nav-card{flex:0 0 auto;min-height:52px;padding:8px 14px;}
.site-header.is-compact .nav-card-sub{display:none;}
.site-header.is-compact .nav-panel .nav-card svg{width:16px;height:16px;margin-bottom:2px;}
.site-header.is-compact{box-shadow:var(--s2);}

/* ---------- Hero ---------- */
.cat-hero{
  background:var(--dark);
  border-bottom:1px solid var(--line-dark);
  position:relative;
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 9px);
  opacity:.5;pointer-events:none;
}
.cat-hero-inner{
  position:relative;display:grid;grid-template-columns:1.25fr .95fr;gap:40px;
  align-items:center;min-height:400px;padding:58px 0;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--lime);border:1px solid rgba(182,238,58,.35);
  background:rgba(182,238,58,.08);
  padding:5px 12px;border-radius:var(--r-pill);margin-bottom:18px;
}
.cat-hero h1{
  font-size:40px;line-height:1.25;color:var(--dark-text);margin-bottom:16px;
}
.cat-hero h1 em{font-style:normal;color:var(--lime);}
.cat-hero-lead{
  font-size:16px;line-height:1.85;color:var(--dark-text-2);max-width:620px;margin-bottom:26px;
}
.cat-hero-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cat-hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-dark);}
.cat-hero-media img{aspect-ratio:4/3;object-fit:cover;width:100%;filter:saturate(.72) brightness(.78);}
.cat-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(16,19,24,.25),rgba(16,19,24,.78));
}
.cat-hero-chip{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:rgba(16,19,24,.82);border:1px solid var(--line-dark);
  border-radius:14px;padding:12px 14px;min-width:190px;backdrop-filter:none;
}
.chip-label{font-size:12px;color:var(--dark-text-2);}
.chip-value{font-size:22px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.3;}
.chip-bar{height:5px;border-radius:3px;background:rgba(255,255,255,.14);margin-top:8px;overflow:hidden;}
.chip-bar span{display:block;height:100%;width:82%;background:var(--lime);border-radius:3px;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0;}
.section-alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:40px;max-width:780px;}
.section-head h2{font-size:30px;line-height:1.35;margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:15.5px;line-height:1.85;}
.kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--link);margin-bottom:12px;
}
.kicker::after{content:"";display:block;width:36px;height:3px;border-radius:2px;background:var(--lime);margin-top:8px;}

/* ---------- 8:4 分栏 ---------- */
.layout-8-4{display:grid;grid-template-columns:1.95fr 1fr;gap:32px;align-items:start;}
.entry-list{display:flex;flex-direction:column;gap:18px;}
.entry-item{
  display:grid;grid-template-columns:64px 1fr 168px;gap:20px;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--s1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.entry-item:hover{transform:translateY(-4px);box-shadow:var(--s2);border-color:#CFE0A6;}
.entry-num{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:24px;font-weight:700;color:var(--lime-deep);letter-spacing:.02em;
}
.entry-item:hover .entry-num{color:var(--orange);}
.entry-body h3{font-size:19px;line-height:1.5;margin-bottom:8px;}
.entry-body h3 a{color:var(--ink);}
.entry-body h3 a:hover{color:var(--link);}
.entry-body p{font-size:15px;line-height:1.75;color:var(--ink-2);}
.entry-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;font-size:13px;color:var(--ink-3);}
.entry-meta span{display:inline-flex;align-items:center;gap:6px;}
.entry-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  font-size:14px;font-weight:600;color:var(--link);
  border-bottom:2px solid var(--lime);padding-bottom:2px;
}
.entry-link:hover{color:var(--lime-deep);}
.entry-thumb{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);}
.entry-thumb img{aspect-ratio:16/9;object-fit:cover;width:100%;}
.entry-item:hover .entry-thumb img{transform:scale(1.02);}
.entry-thumb img{transition:transform var(--t);}

.side-stack{display:flex;flex-direction:column;gap:18px;position:sticky;top:150px;}
.side-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--s1);
}
.side-card h3{font-size:17px;margin-bottom:14px;}
.side-card h3 small{display:block;font-size:12px;font-weight:500;color:var(--ink-3);margin-top:4px;letter-spacing:0;}
.side-links{display:flex;flex-direction:column;gap:2px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:var(--r-md);font-size:14.5px;color:var(--ink-2);
  border:1px solid transparent;
}
.side-links a:hover{background:var(--paper);color:var(--ink);border-color:var(--line);}
.side-links a span.tag{
  font-size:11px;font-weight:600;color:var(--link);background:rgba(182,238,58,.18);
  border-radius:var(--r-sm);padding:2px 8px;
}
.side-card-dark{background:var(--dark);border-color:rgba(255,255,255,.10);color:var(--dark-text);}
.side-card-dark h3{color:var(--dark-text);}
.side-card-dark p{font-size:14px;line-height:1.8;color:var(--dark-text-2);margin-bottom:16px;}
.side-card-dark .btn{width:100%;}
.side-note{font-size:13px;color:var(--ink-3);line-height:1.7;margin-top:12px;}

/* ---------- 对照表 ---------- */
.table-wrap{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--s1);
}
table.spec{width:100%;border-collapse:collapse;font-size:15px;}
table.spec th{
  text-align:left;font-size:13.5px;font-weight:700;color:#2C3A08;
  background:rgba(182,238,58,.20);
  padding:14px 18px;border-bottom:1px solid var(--line);
}
table.spec td{padding:15px 18px;border-bottom:1px solid var(--line);color:var(--ink-2);line-height:1.7;}
table.spec tbody tr:nth-child(even){background:#FAFBF7;}
table.spec tbody tr:hover{background:rgba(182,238,58,.09);}
table.spec tbody tr:last-child td{border-bottom:0;}
table.spec td.strong{color:var(--ink);font-weight:600;}
.state{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:600;}
.state::before{content:"";width:8px;height:8px;border-radius:50%;flex:none;}
.state-ok{color:var(--ok);}
.state-ok::before{background:var(--ok);}
.state-warn{color:#9A7000;}
.state-warn::before{background:var(--warn);}
.state-err{color:var(--err);}
.state-err::before{background:var(--err);}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item.is-open{border-color:rgba(182,238,58,.55);box-shadow:var(--s2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;text-align:left;
  padding:18px 22px;font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-item.is-open .faq-q{color:#2C3A08;}
.faq-icon{
  flex:none;width:30px;height:30px;border-radius:50%;
  border:1.5px solid var(--lime);position:relative;transition:background var(--t);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  background:var(--link);border-radius:2px;
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;transition:opacity var(--t),transform var(--t);}
.faq-item.is-open .faq-icon{background:var(--lime);}
.faq-item.is-open .faq-icon::before{background:#10160A;}
.faq-item.is-open .faq-icon::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg);}
.faq-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows 220ms var(--ease);}
.faq-item.is-open .faq-panel{grid-template-rows:1fr;}
.faq-panel-inner{overflow:hidden;}
.faq-item.is-open .faq-panel-inner{border-left:3px solid var(--lime);}
.faq-a{padding:0 22px 20px 22px;font-size:15.5px;line-height:1.85;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-band{background:var(--dark);position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(160deg,rgba(16,19,24,.86),rgba(16,19,24,.94)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cta-inner{
  position:relative;padding:74px 0;
  display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
}
.cta-inner h2{color:var(--dark-text);font-size:30px;margin-bottom:16px;}
.cta-inner p{color:var(--dark-text-2);font-size:15.5px;line-height:1.85;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end;}
.cta-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:var(--dark-text-2);
  border:1px solid var(--line-dark);border-radius:var(--r-pill);padding:6px 13px;
  background:rgba(255,255,255,.04);
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);color:var(--dark-text);
  border-top:1px solid var(--line-dark);
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-desc{font-size:14px;line-height:1.85;color:var(--dark-text-2);max-width:320px;}
.footer-title{font-size:14px;font-weight:600;color:var(--lime);margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-links p{font-size:14px;color:rgba(242,245,238,.7);margin:0;line-height:1.75;}
.footer-links a:hover{color:var(--lime);transform:translateX(2px);}
.footer-note{
  font-size:13px;line-height:1.75;color:rgba(242,245,238,.5);margin-top:14px;
}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line-dark);
  text-align:center;font-size:13px;color:rgba(242,245,238,.5);
}

/* ---------- 底部固定转化条 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  background:rgba(16,19,24,.97);
  border-top:1px solid var(--line-dark);
  transform:translateY(120%);
  opacity:0;
  transition:transform 200ms var(--ease),opacity 200ms var(--ease);
  padding-bottom:env(safe-area-inset-bottom);
}
.sticky-bar.is-visible{transform:translateY(0);opacity:1;}
.sticky-inner{
  max-width:1200px;margin:0 auto;padding:10px 32px;
  display:flex;align-items:center;gap:16px;
}
.sticky-text{font-size:14px;color:var(--dark-text-2);flex:1;min-width:0;}
.sticky-text strong{color:var(--dark-text);font-weight:600;}
.sticky-actions{display:flex;align-items:center;gap:10px;}
.sticky-close{
  background:transparent;border:1px solid var(--line-dark);color:rgba(242,245,238,.6);
  width:32px;height:32px;border-radius:50%;font-size:16px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
}
.sticky-close:hover{color:var(--dark-text);border-color:rgba(255,255,255,.3);}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .container{padding:0 24px;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .cta-actions{justify-content:flex-start;}
  .side-stack{position:static;}
}
@media (max-width:1024px){
  :root{--sec:72px;}
  .cat-hero-inner{grid-template-columns:1fr;gap:28px;min-height:auto;padding:48px 0;}
  .cat-hero h1{font-size:34px;}
  .cat-hero-media{max-width:520px;}
  .layout-8-4{grid-template-columns:1fr;}
  .entry-item{grid-template-columns:56px 1fr 140px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  :root{--sec:56px;}
  .container{padding:0 18px;}
  .main-nav,.header-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .site-header.is-nav-open .main-nav{
    display:flex;flex-direction:column;align-items:stretch;gap:6px;
    width:100%;padding:10px 0 16px;margin-left:0;
  }
  .site-header.is-nav-open .main-nav a{padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.05);font-size:16px;}
  .site-header.is-nav-open .header-cta{display:inline-flex;width:100%;margin:0 0 16px;}
  .site-header.is-nav-open .header-top{flex-wrap:wrap;}
  .nav-panel{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;}
  .nav-panel::-webkit-scrollbar{display:none;}
  .nav-panel .nav-card{flex:0 0 160px;}
  .nav-panel .btn{margin-left:0;flex:0 0 auto;}
  .cat-hero h1{font-size:28px;line-height:1.35;}
  .section-head h2{font-size:24px;}
  .entry-item{grid-template-columns:1fr;padding:20px;gap:14px;}
  .entry-num{font-size:20px;}
  .entry-thumb{order:3;}
  .cta-inner{padding:56px 0;}
  .cta-inner h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .sticky-inner{padding:8px 18px;gap:10px;}
  .sticky-text{font-size:13px;}
  .sticky-actions .btn{padding:0 14px;height:38px;font-size:13.5px;}
  body{padding-bottom:64px;}

  /* 表格转卡片 */
  table.spec thead{display:none;}
  table.spec,table.spec tbody,table.spec tr,table.spec td{display:block;width:100%;}
  table.spec tr{
    border-bottom:1px solid var(--line);padding:14px 16px;
  }
  table.spec tbody tr:nth-child(even){background:#FAFBF7;}
  table.spec td{
    border:0;padding:6px 0;display:flex;gap:14px;justify-content:space-between;align-items:flex-start;
  }
  table.spec td::before{
    content:attr(data-label);flex:0 0 96px;font-size:13px;font-weight:600;color:var(--ink-3);
  }
  table.spec td.strong{font-weight:600;}
}
@media (max-width:520px){
  .cat-hero-actions .btn{width:100%;}
  .cat-hero-chip{left:12px;right:12px;bottom:12px;}
  .entry-body h3{font-size:17px;}
  .faq-q{font-size:15.5px;padding:16px 18px;gap:12px;}
  .faq-a{padding:0 18px 18px 18px;}
  .cta-actions .btn{width:100%;}
  .sticky-actions .btn-ghost{display:none;}
  .brand-name{font-size:15.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category2 */
:root{
  --acid:#B6EE3A;
  --acid-soft:rgba(182,238,58,.12);
  --acid-line:rgba(182,238,58,.32);
  --acid-deep:#3F5A0B;
  --orange:#FF6B2C;
  --ink:#101318;
  --ink-2:#1B2029;
  --bg:#F5F6F2;
  --card:#FFFFFF;
  --line:#E3E6DF;
  --line-strong:#D6DACF;
  --line-dark:rgba(255,255,255,.10);
  --line-dark-2:rgba(255,255,255,.08);
  --text:#14171C;
  --text-2:#5C6360;
  --text-3:#8A918C;
  --dtext:#F2F5EE;
  --dtext-2:rgba(242,245,238,.68);
  --dtext-3:rgba(242,245,238,.45);
  --ok:#2FA36B;
  --warn:#E0A100;
  --err:#D7442E;
  --r-xs:6px;
  --r-sm:12px;
  --r-md:14px;
  --r-lg:16px;
  --r-xl:22px;
  --r-pill:999px;
  --s1:0 1px 2px rgba(16,19,24,.06);
  --s2:0 8px 24px -12px rgba(16,19,24,.18);
  --s3:0 18px 44px -22px rgba(16,19,24,.34);
  --dur:180ms cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
  --sect:96px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  padding-bottom:76px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul{padding:0;list-style:none}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--acid);outline-offset:3px;box-shadow:0 0 0 3px rgba(182,238,58,.24)}
::selection{background:var(--acid);color:var(--ink)}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:background var(--dur),color var(--dur),border-color var(--dur),transform var(--dur),box-shadow var(--dur);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn-primary{background:var(--acid);color:var(--ink);box-shadow:0 6px 18px -12px rgba(182,238,58,.9)}
.btn-primary:hover{background:#c8f65a}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:transparent}
.btn-ghost:hover{background:var(--acid-soft);border-color:var(--acid-line)}
.btn-dark-ghost{border-color:rgba(255,255,255,.24);color:var(--dtext);background:transparent}
.btn-dark-ghost:hover{background:rgba(182,238,58,.14);border-color:var(--acid-line);color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:54px;padding:0 30px;font-size:16px}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--acid-deep);
  border-bottom:1px solid var(--acid);
  padding-bottom:2px;
  transition:color var(--dur),border-color var(--dur),gap var(--dur);
}
.btn-link:hover{color:var(--ink);border-color:var(--ink);gap:10px}
.btn-link.on-dark{color:var(--acid)}
.btn-link.on-dark:hover{color:#fff;border-color:#fff}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:var(--ink);
  border-bottom:1px solid var(--line-dark);
  transition:padding var(--dur),box-shadow var(--dur);
}
.site-header > .container{
  padding-top:16px;
  padding-bottom:16px;
  transition:padding var(--dur);
}
.header-top{
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  position:relative;
  width:34px;height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--acid) 0%,#7fbf18 100%);
  display:inline-block;
  flex-shrink:0;
}
.brand-mark::before{
  content:"";
  position:absolute;
  inset:9px 9px auto auto;
  width:16px;height:16px;
  border:2px solid var(--ink);
  border-radius:50%;
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:6px;bottom:8px;
  width:14px;height:3px;
  border-radius:2px;
  background:var(--ink);
}
.brand-name{
  color:var(--dtext);
  font-size:19px;
  font-weight:700;
  letter-spacing:.2px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:8px;
}
.main-nav a{
  position:relative;
  font-size:15px;
  color:var(--dtext-2);
  padding:6px 0;
  transition:color var(--dur);
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--acid);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--dur);
}
.main-nav a:hover{color:var(--dtext)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--dtext)}
.main-nav a.is-active::after{transform:scaleX(1)}
.header-cta{margin-left:auto}
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);
  color:var(--dtext);
  font-size:14px;
}
.nav-toggle i{
  display:block;
  width:16px;height:2px;
  background:var(--acid);
  box-shadow:0 -5px 0 var(--acid),0 5px 0 var(--acid);
  border-radius:2px;
}

.nav-panel{
  margin-top:16px;
  display:flex;
  align-items:center;
  gap:12px;
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.02));
  border:1px solid var(--line-dark-2);
  border-radius:var(--r-xl);
  padding:12px;
  transition:margin var(--dur),padding var(--dur);
}
.nav-card{
  display:flex;
  flex-direction:column;
  gap:2px;
  min-width:132px;
  padding:12px 14px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-dark-2);
  position:relative;
  transition:background var(--dur),transform var(--dur),border-color var(--dur);
}
.nav-card:hover{background:rgba(255,255,255,.10);transform:translateY(-2px);border-color:rgba(255,255,255,.16)}
.nav-card svg{
  width:18px;height:18px;
  fill:none;
  stroke:var(--dtext-2);
  stroke-width:1.6;
  stroke-linecap:round;
  stroke-linejoin:round;
  transition:stroke var(--dur);
}
.nav-card:hover svg{stroke:var(--acid)}
.nav-card-name{color:var(--dtext);font-size:15px;font-weight:600;line-height:1.35}
.nav-card-sub{color:var(--dtext-3);font-size:12px;line-height:1.4}
.nav-card.is-current{
  background:rgba(182,238,58,.10);
  border-color:var(--acid-line);
}
.nav-card.is-current::before{
  content:"";
  position:absolute;
  left:0;top:12px;bottom:12px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--acid);
}
.nav-card.is-current svg{stroke:var(--acid)}
.nav-panel > .btn{margin-left:auto}

.site-header.is-scrolled > .container{
  padding-top:8px;
  padding-bottom:8px;
}
.site-header.is-scrolled .nav-panel{
  margin-top:10px;
  padding:8px;
  box-shadow:var(--s2);
}
.site-header.is-scrolled .nav-card{padding:8px 12px;min-width:118px}
.site-header.is-scrolled .nav-card-sub{display:none}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sect) 0}
.section.tight{padding:64px 0}
.section.dark{background:var(--ink);color:var(--dtext)}
.section-head{max-width:720px;margin-bottom:48px}
.sec-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--acid-deep);
  font-family:var(--mono);
  text-transform:uppercase;
  margin-bottom:14px;
}
.sec-eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:var(--acid-deep);
  display:inline-block;
}
.section.dark .sec-eyebrow{color:var(--acid)}
.section.dark .sec-eyebrow::before{background:var(--acid)}
.sec-title{
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.2px;
  margin-bottom:16px;
}
.sec-sub{font-size:16px;color:var(--text-2);line-height:1.8;margin:0}
.section.dark .sec-sub{color:var(--dtext-2)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:var(--ink);
  color:var(--dtext);
  overflow:hidden;
  border-bottom:1px solid var(--line-dark);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(182,238,58,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(182,238,58,.05) 1px,transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  right:-140px;
  top:-80px;
  width:620px;
  height:520px;
  background:linear-gradient(120deg,rgba(182,238,58,.16),rgba(255,107,44,.06) 60%,transparent 78%);
  transform:skewX(-11deg);
  filter:blur(2px);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  padding:76px 0 72px;
  max-width:760px;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(182,238,58,.12);
  border:1px solid var(--acid-line);
  color:var(--acid);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  margin-bottom:24px;
}
.hero-title{
  font-size:40px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.4px;
  margin-bottom:20px;
}
.hero-title em{
  font-style:normal;
  color:var(--acid);
}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:var(--dtext-2);
  max-width:640px;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-dark);
  background:rgba(255,255,255,.04);
  font-size:13px;
  color:var(--dtext-2);
}
.badge b{color:var(--dtext);font-weight:600}
.dot{width:6px;height:6px;border-radius:50%;background:var(--acid);display:inline-block;flex-shrink:0}
.dot.orange{background:var(--orange)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:"";
  position:absolute;
  left:27px;top:14px;bottom:14px;
  width:2px;
  background:linear-gradient(180deg,var(--acid),rgba(182,238,58,.12));
}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:56px 1fr;
  gap:24px;
  padding-bottom:24px;
}
.tl-item:last-child{padding-bottom:0}
.tl-node{
  width:56px;height:56px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--card);
  border:1px solid var(--line-strong);
  font-family:var(--mono);
  font-size:15px;
  font-weight:700;
  color:var(--text-2);
  font-variant-numeric:tabular-nums;
  position:relative;
  z-index:1;
}
.tl-item.is-current .tl-node{
  background:var(--acid);
  border-color:var(--acid);
  color:var(--ink);
  box-shadow:0 10px 26px -14px rgba(182,238,58,.9);
}
.tl-body{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 24px;
  box-shadow:var(--s1);
  transition:transform var(--dur),box-shadow var(--dur),border-color var(--dur);
}
.tl-item:hover .tl-body{transform:translateY(-3px);box-shadow:var(--s2);border-color:var(--line-strong)}
.tl-body h3{
  font-size:18px;
  font-weight:600;
  line-height:1.4;
  margin-bottom:8px;
}
.tl-body p{font-size:15px;line-height:1.7;color:var(--text-2)}
.tl-meta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:14px;
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}

/* ---------- 双栏图文 ---------- */
.split{
  display:grid;
  grid-template-columns:5fr 6fr;
  gap:56px;
  align-items:start;
}
.split-media{position:sticky;top:118px}
.figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--card);
}
.figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.figure figcaption{
  font-size:13px;
  color:var(--text-3);
  text-align:center;
  padding:10px 12px;
  border-top:1px solid var(--line);
  background:#FBFCF8;
}
.media-note{
  margin-top:16px;
  padding:16px 18px;
  border-radius:var(--r-md);
  background:var(--acid-soft);
  border:1px solid var(--acid-line);
  font-size:14px;
  line-height:1.7;
  color:var(--acid-deep);
}
.split-body h2{
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  margin-bottom:16px;
  letter-spacing:-.2px;
}
.split-body > p{
  font-size:16px;
  color:var(--text-2);
  margin-bottom:28px;
}
.pill-list{display:flex;flex-direction:column;gap:14px}
.pill-item{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:16px;
  align-items:start;
  padding:18px 20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  transition:border-color var(--dur),transform var(--dur),box-shadow var(--dur);
}
.pill-item:hover{border-color:var(--acid-line);transform:translateY(-2px);box-shadow:var(--s2)}
.pill-tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--acid);
  color:var(--acid-deep);
  background:var(--acid-soft);
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
}
.pill-item h4{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:4px}
.pill-item p{font-size:14px;line-height:1.7;color:var(--text-2)}

/* ---------- 非等宽信息卡 ---------- */
.mix-grid{
  display:grid;
  grid-template-columns:1.05fr .85fr 1.25fr;
  gap:24px;
  align-items:start;
}
.mix-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--s1);
  transition:transform var(--dur),box-shadow var(--dur);
}
.mix-card:hover{transform:translateY(-4px);box-shadow:var(--s2)}
.mix-card.c1{min-height:250px}
.mix-card.c2{min-height:340px}
.mix-card.c3{min-height:196px}
.mix-card.dark{
  background:var(--ink-2);
  border-color:var(--line-dark);
  color:var(--dtext);
  box-shadow:none;
  position:relative;
  overflow:hidden;
}
.mix-card.dark::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:1px;
  background:rgba(255,255,255,.14);
}
.mix-card.dark h3{color:var(--dtext)}
.mix-card.dark p{color:var(--dtext-2)}
.mix-num{
  font-family:var(--mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--orange);
  margin-bottom:16px;
  display:block;
}
.mix-card.dark .mix-num{color:var(--acid)}
.mix-card h3{font-size:20px;font-weight:600;line-height:1.4;margin-bottom:12px}
.mix-card p{font-size:15px;line-height:1.75;color:var(--text-2)}
.mix-stat{
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid var(--line-dark);
  display:flex;
  align-items:baseline;
  gap:10px;
}
.mix-stat strong{
  font-family:var(--mono);
  font-size:32px;
  font-weight:700;
  color:var(--acid);
  font-variant-numeric:tabular-nums;
  line-height:1;
}
.mix-stat span{font-size:13px;color:var(--dtext-2)}
.mix-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.mix-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
}
.mix-list li::before{
  content:"";
  width:6px;height:6px;
  margin-top:9px;
  border-radius:1px;
  background:var(--acid-deep);
  transform:rotate(45deg);
  flex-shrink:0;
}
.mix-card.dark .mix-list li{color:var(--dtext-2)}
.mix-card.dark .mix-list li::before{background:var(--acid)}

/* ---------- 表格 ---------- */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--card);
}
.data-table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
}
.data-table caption{
  caption-side:top;
  text-align:left;
  padding:18px 22px 14px;
  font-size:13px;
  color:var(--text-3);
  border-bottom:1px solid var(--line);
  background:#FBFCF8;
}
.data-table th{
  text-align:left;
  font-weight:600;
  font-size:14px;
  color:var(--acid-deep);
  background:rgba(182,238,58,.10);
  padding:14px 22px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.data-table td{
  padding:16px 22px;
  border-bottom:1px solid var(--line);
  color:var(--text-2);
  line-height:1.7;
  vertical-align:top;
}
.data-table tbody tr:nth-child(even){background:#FAFBF7}
.data-table tbody tr:hover{background:rgba(182,238,58,.06)}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table td:first-child{
  color:var(--text);
  font-weight:600;
  white-space:nowrap;
}
.data-table td:nth-child(2){color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq{max-width:820px}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--card);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--dur),box-shadow var(--dur);
}
.faq-item.is-open{border-color:var(--acid-line);box-shadow:var(--s1)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:20px 22px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  position:relative;
  transition:color var(--dur);
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--acid);
  transform:scaleY(0);
  transition:transform var(--dur);
}
.faq-item.is-open .faq-q::before{transform:scaleY(1)}
.faq-q:hover{color:var(--acid-deep)}
.faq-icon{
  position:relative;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--acid);
  flex-shrink:0;
  transition:background var(--dur);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:11px;height:1.6px;
  background:var(--acid-deep);
  transform:translate(-50%,-50%);
  border-radius:2px;
  transition:transform var(--dur),background var(--dur);
}
.faq-icon::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-item.is-open .faq-icon{background:var(--acid);border-color:var(--acid)}
.faq-item.is-open .faq-icon::before,
.faq-item.is-open .faq-icon::after{background:var(--ink)}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(0)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 240ms cubic-bezier(.2,.7,.3,1);
}
.faq-a-inner{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  max-width:820px;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--ink);
  border:1px solid var(--line-dark);
  border-radius:var(--r-xl);
  padding:52px 48px;
  display:grid;
  grid-template-columns:1.4fr .9fr;
  gap:40px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-120px;bottom:-140px;
  width:420px;height:320px;
  background:linear-gradient(120deg,rgba(182,238,58,.14),transparent 70%);
  transform:skewX(-11deg);
}
.cta-band h2{
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  color:var(--dtext);
  margin-bottom:14px;
  position:relative;
  z-index:1;
}
.cta-band p{
  color:var(--dtext-2);
  font-size:16px;
  line-height:1.8;
  position:relative;
  z-index:1;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:flex-end;
  position:relative;
  z-index:1;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:var(--dtext);
  border-top:1px solid var(--line-dark);
  padding:64px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line-dark);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{color:var(--dtext-2);font-size:14px;line-height:1.8;max-width:320px}
.footer-title{
  font-size:14px;
  font-weight:600;
  color:var(--acid);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,
.footer-links p{
  font-size:14px;
  color:var(--dtext-2);
  transition:color var(--dur),transform var(--dur);
  margin:0;
}
.footer-links a:hover{color:var(--acid);transform:translateX(2px)}
.footer-note{
  margin-top:16px;
  font-size:13px;
  line-height:1.75;
  color:var(--dtext-3);
}
.footer-bottom{
  padding-top:24px;
  text-align:center;
  font-size:13px;
  color:rgba(242,245,238,.5);
}

/* ---------- 固定转化条 ---------- */
.sticky-bar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:60;
  background:rgba(16,19,24,.96);
  border-top:1px solid var(--line-dark);
  padding-bottom:env(safe-area-inset-bottom);
  transform:translateY(110%);
  opacity:0;
  transition:transform 200ms cubic-bezier(.2,.7,.3,1),opacity 200ms cubic-bezier(.2,.7,.3,1);
}
.sticky-bar.is-visible{transform:translateY(0);opacity:1}
.sticky-bar.is-hidden{display:none}
.sticky-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:56px;
}
.sticky-text{
  font-size:14px;
  color:var(--dtext-2);
  display:flex;
  align-items:center;
  gap:10px;
}
.sticky-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.sticky-close{
  width:32px;height:32px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  color:var(--dtext-2);
  font-size:14px;
  display:flex;align-items:center;justify-content:center;
  transition:background var(--dur),color var(--dur);
}
.sticky-close:hover{background:rgba(255,255,255,.08);color:var(--dtext)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 24px}
  .hero-inner{max-width:700px}
  .split{gap:40px;grid-template-columns:1fr 1.1fr}
  .mix-grid{grid-template-columns:1fr 1fr;}
  .mix-card.c3{grid-column:1 / -1;min-height:0}
}
@media (max-width:1023px){
  :root{--sect:72px}
  .main-nav{gap:18px}
  .hero-title{font-size:34px}
  .nav-card{min-width:118px}
  .split{grid-template-columns:1fr;gap:32px}
  .split-media{position:static}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .data-table th,.data-table td{padding:14px 16px}
}
@media (max-width:860px){
  .nav-toggle{display:inline-flex;margin-left:auto}
  .header-cta{display:none}
  .main-nav,.nav-panel{display:none}
  .site-header.nav-open .main-nav{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin:18px 0 0;
    border-top:1px solid var(--line-dark);
    padding-top:8px;
  }
  .site-header.nav-open .main-nav a{
    padding:16px 4px;
    border-bottom:1px solid var(--line-dark);
    font-size:16px;
    color:var(--dtext);
  }
  .site-header.nav-open .main-nav a::after{display:none}
  .site-header.nav-open .main-nav a.is-active{color:var(--acid)}
  .site-header.nav-open .nav-panel{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:10px;
    background:transparent;
    border:0;
    padding:16px 0 8px;
  }
  .site-header.nav-open .nav-card{min-height:76px;min-width:0}
  .site-header.nav-open .nav-panel > .btn{
    grid-column:1 / -1;
    margin-left:0;
    height:48px;
  }
}
@media (max-width:767px){
  :root{--sect:56px}
  body{padding-bottom:82px}
  .container{padding:0 16px}
  .hero-inner{padding:56px 0 52px}
  .hero-title{font-size:28px;line-height:1.35}
  .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1 1 100%}
  .sec-title{font-size:24px}
  .split-body h2{font-size:24px}
  .cta-band{padding:32px 22px}
  .cta-band h2{font-size:24px}
  .cta-actions .btn{flex:1 1 100%}
  .mix-grid{grid-template-columns:1fr;gap:16px}
  .mix-card.c2{min-height:0}
  .mix-card.c1,.mix-card.c3{min-height:0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .timeline::before{left:21px}
  .tl-item{grid-template-columns:44px 1fr;gap:16px}
  .tl-node{width:44px;height:44px;font-size:13px}
  .tl-body{padding:18px}
  .sticky-inner{height:60px;gap:10px}
  .sticky-text{display:none}
  .sticky-actions{margin-left:0;width:100%}
  .sticky-actions .btn{flex:1}
  .sticky-close{flex:0 0 auto}
  .pill-item{grid-template-columns:1fr;gap:10px}

  .table-wrap{border:0;background:transparent;border-radius:0}
  .data-table caption{padding:0 0 14px;background:transparent;border:0}
  .data-table,
  .data-table tbody,
  .data-table tr,
  .data-table td{display:block;width:100%}
  .data-table thead{display:none}
  .data-table tbody tr{
    background:var(--card) !important;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:8px 18px;
    margin-bottom:12px;
    box-shadow:var(--s1);
  }
  .data-table tbody tr:hover{background:var(--card) !important}
  .data-table td{
    border-bottom:1px dashed var(--line);
    padding:12px 0;
    white-space:normal;
  }
  .data-table tbody tr td:last-child{border-bottom:0}
  .data-table td::before{
    content:attr(data-label);
    display:block;
    font-size:12px;
    font-weight:600;
    color:var(--text-3);
    letter-spacing:.04em;
    margin-bottom:4px;
  }
}
@media (max-width:480px){
  .hero-title{font-size:26px}
  .badge{font-size:12px;padding:0 12px}
  .btn{height:46px;padding:0 18px;font-size:14px}
  .sec-title{font-size:22px}
  .faq-q{font-size:15px;padding:18px}
  .faq-a-inner{padding:0 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
}
html{scroll-behavior:smooth}