/* roulang page: index */
:root{
  --ink:#111214;
  --ink-soft:#3A3D42;
  --muted:#75797F;
  --line:#E3E4DF;
  --bg:#F5F5F2;
  --surface:#FFFFFF;
  --accent:#C3F53C;
  --accent-strong:#A8DE22;
  --on-accent:#0E1A00;
  --signal:#FF5A2B;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --shadow-1:0 1px 2px rgba(17,18,20,.04), 0 12px 32px -12px rgba(17,18,20,.10);
  --shadow-2:0 2px 4px rgba(17,18,20,.05), 0 22px 46px -18px rgba(17,18,20,.18);
  --ease:240ms cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--ink);
  --bs-border-color:var(--line);
  --bs-primary:var(--accent);
  --bs-border-radius:12px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.2;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.mono{font-family:ui-monospace,"SFMono-Regular","Archivo","Inter",monospace;font-variant-numeric:tabular-nums;letter-spacing:0;}

/* 容器与板块间距 */
.container{max-width:1240px;padding-left:24px;padding-right:24px;margin:0 auto;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.section-ink{background:var(--ink);color:#fff;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:clamp(24px,3vw,38px);}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.section-ink .section-head p{color:rgba(255,255,255,.66);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:block;}
.section-ink .eyebrow{color:rgba(255,255,255,.55);}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(245,245,242,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),background var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(245,245,242,.95);}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:74px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  background:var(--ink);color:var(--accent);flex:0 0 auto;
}
.brand-mark svg{width:17px;height:17px;display:block;}
.brand-text{font-weight:800;font-size:16px;letter-spacing:-.01em;white-space:nowrap;}
.nav-chips{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;justify-content:center;
  overflow-x:auto;scrollbar-width:none;padding:4px 2px;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  padding:9px 16px;border-radius:999px;border:1px solid var(--line);
  background:transparent;color:var(--ink-soft);
  font-size:14px;font-weight:600;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.chip:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px);}
.chip.active{background:var(--accent);border-color:var(--accent);color:var(--on-accent);font-weight:800;}
.nav-cta{flex:0 0 auto;}

/* 按钮 */
.btn-lime,.btn-ghost,.btn-outline-ink{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-lime{background:var(--accent);color:var(--on-accent);}
.btn-lime:hover{background:var(--accent-strong);transform:translateY(-1px);color:var(--on-accent);}
.btn-lime:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.32);}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px);}
.btn-outline-ink{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-outline-ink:hover{border-color:var(--ink);transform:translateY(-1px);}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px;}

/* Hero */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate;}
.hero-media{position:absolute;inset:0;z-index:-1;}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:72% 40%;}
.hero-scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,#111214 0%,rgba(17,18,20,.94) 34%,rgba(17,18,20,.55) 68%,rgba(17,18,20,.28) 100%),
    linear-gradient(180deg,rgba(17,18,20,.42) 0%,rgba(17,18,20,.86) 100%);
}
.hero-inner{position:relative;padding:104px 0 72px;max-width:700px;}
.hero h1{font-size:clamp(34px,5vw,64px);line-height:1.08;letter-spacing:-.025em;}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.78);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:0 32px;margin-top:56px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.12);
}
.hero-stats div{padding:0;position:relative;padding-right:32px;}
.hero-stats div+div::before{
  content:"";position:absolute;left:-32px;top:6px;bottom:6px;width:1px;background:rgba(255,255,255,.14);
}
.hero-stats dt{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.5);font-weight:700;}
.hero-stats dd{margin:6px 0 0;font-size:17px;font-weight:700;color:#fff;}

/* 编号列表 */
.point-layout{display:grid;grid-template-columns:1fr 400px;gap:56px;align-items:start;}
.point-list{border-top:1px solid var(--line);}
.point-row{
  display:grid;grid-template-columns:76px 1fr;gap:22px;
  padding:28px 20px 28px 8px;border-bottom:1px solid var(--line);
  transition:background var(--ease),padding-left var(--ease);
}
.point-row:hover{background:var(--surface);padding-left:20px;}
.point-num{
  width:52px;height:52px;border-radius:12px;display:grid;place-items:center;
  border:1px solid var(--line);background:var(--surface);
  font-size:16px;font-weight:700;color:var(--ink);
}
.point-row:hover .point-num{background:var(--accent);border-color:var(--accent);color:var(--on-accent);}
.point-row h3{font-size:21px;margin-bottom:10px;}
.point-row p{color:var(--muted);font-size:15.5px;max-width:600px;}
.point-figure{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  background:var(--surface);box-shadow:var(--shadow-1);
}
.point-figure img{width:100%;height:520px;object-fit:cover;}
.point-figure figcaption{padding:16px 20px;font-size:13.5px;color:var(--muted);border-top:1px solid var(--line);}

/* 更新预览卡片 */
.reward-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:24px;}
.card-surface{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.card-surface:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2);}
.card-surface:hover .card-cover img{transform:scale(1.03);}
.card-cover{position:relative;overflow:hidden;background:var(--line);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1);}
.badge-lime{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent);color:var(--on-accent);
  font-size:12px;font-weight:800;padding:5px 11px;border-radius:999px;
}
.badge-signal{background:var(--signal);color:#fff;font-size:12px;font-weight:800;padding:5px 11px;border-radius:999px;display:inline-flex;}
.badge-outline{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  border:1px solid var(--line);font-size:12.5px;font-weight:700;color:var(--ink-soft);background:var(--surface);
}
.feature-big{display:flex;flex-direction:column;}
.feature-big .card-cover{aspect-ratio:16/10;}
.feature-big .card-cover .cover-tag{position:absolute;left:20px;top:20px;z-index:2;}
.feature-body{padding:28px 30px 32px;}
.feature-body h3{font-size:24px;margin:14px 0 12px;}
.feature-body p{color:var(--muted);font-size:15.5px;}
.reward-side{display:grid;gap:24px;}
.card-row{display:grid;grid-template-columns:132px 1fr;align-items:stretch;}
.card-row .card-cover{height:100%;min-height:150px;}
.card-row .card-body{padding:22px 24px;display:flex;flex-direction:column;justify-content:center;gap:10px;}
.card-row h3{font-size:19px;}
.card-row p{font-size:14.5px;color:var(--muted);}

/* 步骤进度 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px;}
.step{position:relative;padding-top:38px;}
.step::before{
  content:"";position:absolute;left:0;right:0;top:8px;height:1px;background:var(--line);
}
.step-track{position:absolute;left:0;top:2px;width:14px;height:14px;border-radius:50%;background:var(--bg);border:2px solid var(--line);}
.step.is-done .step-track{background:var(--accent);border-color:var(--accent);}
.step.is-active .step-track{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 6px rgba(195,245,60,.28);animation:pulse 2.4s infinite;}
@keyframes pulse{0%,100%{box-shadow:0 0 0 5px rgba(195,245,60,.26);}50%{box-shadow:0 0 0 11px rgba(195,245,60,.04);}}
.step .step-index{font-size:12.5px;font-weight:700;color:var(--muted);letter-spacing:.1em;}
.step h3{font-size:18px;margin:8px 0 8px;}
.step p{font-size:14.5px;color:var(--muted);}

/* 最新信息列表 */
.latest-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.latest-head h2{font-size:clamp(24px,3vw,38px);}
.latest-head p{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:640px;}
.post-list{border-top:1px solid var(--line);}
.post-item{
  display:grid;grid-template-columns:188px 1fr;gap:26px;
  padding:26px 0;border-bottom:1px solid var(--line);align-items:center;
  transition:background var(--ease);border-radius:6px;
}
.post-item:hover{background:rgba(255,255,255,.75);}
.post-thumb{aspect-ratio:16/10;border-radius:var(--r-img);overflow:hidden;background:var(--line);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1);}
.post-item:hover .post-thumb img{transform:scale(1.04);}
.post-body h3{font-size:20px;line-height:1.45;}
.post-body h3 a{transition:color var(--ease);}
.post-body h3 a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:4px;}
.post-summary{margin-top:10px;color:var(--muted);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;gap:14px;margin-top:16px;flex-wrap:wrap;}
.post-meta .sep{width:1px;height:12px;background:var(--line);}
.meta-time{font-size:13px;color:var(--muted);}
.post-more{font-size:13.5px;font-weight:700;color:var(--ink);border-bottom:2px solid var(--accent);padding-bottom:2px;}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:rgba(255,255,255,.6);
  padding:56px 28px;text-align:center;
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:16px;margin:0 auto 18px;display:grid;place-items:center;
  background:var(--bg);border:1px solid var(--line);color:var(--muted);
}
.empty-state p{color:var(--muted);font-size:15px;}
.empty-state .empty-links{margin-top:20px;display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}

/* 反馈与数据 */
.trust-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center;}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.10);border-radius:var(--r-card);overflow:hidden;}
.stat-cell{background:var(--ink);padding:30px 26px;}
.stat-cell .num{font-size:32px;font-weight:800;color:#fff;line-height:1.1;}
.stat-cell span{display:block;margin-top:10px;font-size:13.5px;color:rgba(255,255,255,.6);}
.quote-list{display:grid;gap:18px;margin-top:4px;}
.quote{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--shadow-1);
}
.quote p{font-size:15.5px;color:var(--ink-soft);}
.quote footer{margin-top:14px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:10px;}
.quote footer .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}

/* FAQ */
.faq-wrap{max-width:860px;}
.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;}
.accordion-button{
  background:transparent;color:var(--ink);font-weight:700;font-size:17.5px;
  padding:24px 46px 24px 0;border-radius:0 !important;box-shadow:none;position:relative;
}
.accordion-button:not(.collapsed){color:var(--ink);background:transparent;box-shadow:none;}
.accordion-button::after{
  content:"";background-image:none;width:10px;height:10px;margin-left:auto;
  border-right:2px solid var(--ink-soft);border-bottom:2px solid var(--ink-soft);
  transform:rotate(45deg);transition:transform var(--ease),border-color var(--ease);
  position:absolute;right:8px;top:50%;margin-top:-7px;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--accent-strong);}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:2px;}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:3px solid var(--accent);padding-left:18px;}
.accordion-body{padding:0 60px 26px 0;color:var(--muted);font-size:15.5px;}

/* CTA */
.cta-band{background:var(--ink);color:#fff;border-radius:calc(var(--r-card) + 6px);padding:56px 48px;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(195,245,60,.24),rgba(195,245,60,0) 68%);
}
.cta-grid{position:relative;display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:center;}
.cta-band h2{font-size:clamp(24px,3vw,36px);}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.7);font-size:16px;max-width:520px;}
.notify-form{display:flex;gap:12px;flex-wrap:wrap;}
.notify-form .form-control{
  flex:1 1 220px;min-height:46px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;font-size:15px;padding:12px 16px;
}
.notify-form .form-control::placeholder{color:rgba(255,255,255,.45);}
.notify-form .form-control:focus{background:rgba(255,255,255,.1);border-color:var(--accent);box-shadow:0 0 0 4px rgba(195,245,60,.18);color:#fff;}
.form-tip{margin-top:12px;font-size:13.5px;color:var(--accent);min-height:20px;}
.form-tip.is-error{color:var(--signal);}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;}
.site-footer .brand-text{color:#fff;}
.footer-about{margin-top:18px;font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.6);max-width:320px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.footer-tags span{
  font-size:12px;padding:5px 11px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.66);
}
.footer-title{font-size:13px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:18px;}
.footer-links li+li{margin-top:11px;}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.74);transition:color var(--ease),padding-left var(--ease);}
.footer-links a:hover{color:var(--accent);padding-left:4px;}
.footer-note{font-size:14px;color:rgba(255,255,255,.6);line-height:1.9;}
.footer-note strong{color:#fff;font-weight:700;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.10);
  padding:24px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* 移动端固定 CTA */
.mobile-cta{
  position:fixed;left:12px;right:12px;bottom:12px;z-index:1040;
  display:none;align-items:center;justify-content:center;
  min-height:52px;border-radius:14px;background:var(--accent);color:var(--on-accent);
  font-weight:800;font-size:15.5px;box-shadow:0 12px 30px -10px rgba(17,18,20,.4);
}

@media (max-width:1199.98px){
  .point-layout{grid-template-columns:1fr 320px;gap:40px;}
  .point-figure img{height:440px;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .nav-cta{display:none;}
  .nav-chips{justify-content:flex-start;}
  .nav-wrap{min-height:66px;}
  .hero-inner{padding:80px 0 56px;max-width:100%;}
  .hero-media img{object-position:70% 30%;}
  .hero-scrim{
    background:
      linear-gradient(180deg,rgba(17,18,20,.72) 0%,rgba(17,18,20,.92) 62%,#111214 100%),
      linear-gradient(90deg,rgba(17,18,20,.85),rgba(17,18,20,.4));
  }
  .point-layout{grid-template-columns:1fr;}
  .point-figure img{height:320px;}
  .reward-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 24px;}
  .trust-grid{grid-template-columns:1fr;gap:40px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .cta-band{padding:44px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767.98px){
  body{padding-bottom:78px;}
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .hero-inner{padding:64px 0 44px;}
  .hero-stats{gap:18px 24px;margin-top:40px;}
  .hero-stats div{padding-right:24px;}
  .hero-stats div+div::before{left:-24px;}
  .point-row{grid-template-columns:56px 1fr;gap:16px;padding:22px 8px 22px 0;}
  .point-num{width:44px;height:44px;font-size:14px;}
  .steps{grid-template-columns:1fr;gap:26px;}
  .step{padding-top:30px;}
  .step::before{top:6px;}
  .latest-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .post-item{grid-template-columns:1fr;gap:16px;padding:22px 0;}
  .post-thumb{aspect-ratio:16/9;}
  .card-row{grid-template-columns:1fr;}
  .card-row .card-cover{min-height:170px;aspect-ratio:16/9;}
  .stat-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:34px;}
  .cta-band{padding:36px 22px;border-radius:var(--r-card);}
  .accordion-button{font-size:16px;padding:20px 40px 20px 0;}
  .accordion-body{padding-right:20px;}
  .mobile-cta{display:flex;}
}
@media (max-width:519.98px){
  .brand-text{font-size:14.5px;}
  .hero-actions .btn-lime,.hero-actions .btn-ghost{width:100%;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}

/* roulang page: article */
:root{
  --ink:#111214;
  --ink-soft:#3A3D42;
  --muted:#75797F;
  --line:#E3E4DF;
  --bg:#F5F5F2;
  --surface:#FFFFFF;
  --accent:#C3F53C;
  --accent-strong:#A8DE22;
  --on-accent:#0E1A00;
  --signal:#FF5A2B;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --shadow-sm:0 1px 2px rgba(17,18,20,.04);
  --shadow-md:0 12px 32px -12px rgba(17,18,20,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
  --bs-body-bg:#F5F5F2;
  --bs-body-color:#111214;
  --bs-border-color:#E3E4DF;
  --bs-border-radius:12px;
  --bs-link-color:#111214;
  --bs-link-hover-color:#111214;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ink);text-decoration:none;transition:color 240ms var(--ease),border-color 240ms var(--ease),background-color 240ms var(--ease);}
a:hover{color:var(--ink);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;color:var(--ink);}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.2em;padding-left:1.2em;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;}
main{display:block;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,245,242,.86);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color 240ms var(--ease),background-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  background:rgba(245,245,242,.96);
  box-shadow:var(--shadow-sm);
}
.nav-wrap{
  display:flex;align-items:center;gap:24px;
  min-height:74px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--ink);color:var(--accent);
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.nav-chips{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;justify-content:center;
  overflow-x:auto;scrollbar-width:none;
  padding:4px 2px;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:40px;padding:8px 18px;
  border:1px solid var(--line);border-radius:999px;
  background:transparent;color:var(--ink-soft);
  font-size:14px;font-weight:600;white-space:nowrap;
  transition:all 240ms var(--ease);
}
.chip:hover{border-color:var(--ink);color:var(--ink);background:var(--surface);}
.chip.active{background:var(--accent);border-color:var(--accent);color:var(--on-accent);}
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 24px;
  background:var(--accent);color:var(--on-accent);
  border:1px solid var(--accent);border-radius:var(--r-btn);
  font-weight:700;font-size:15px;cursor:pointer;
  transition:all 240ms var(--ease);
}
.btn-lime:hover{background:var(--accent-strong);border-color:var(--accent-strong);color:var(--on-accent);transform:translateY(-1px);}
.btn-lime:active{transform:translateY(1px);}
.btn-sm{min-height:42px;padding:9px 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 24px;
  background:transparent;color:var(--ink);
  border:1px solid var(--ink);border-radius:var(--r-btn);
  font-weight:700;font-size:15px;transition:all 240ms var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 24px;
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.34);
  border-radius:var(--r-btn);font-weight:700;font-size:15px;
  transition:all 240ms var(--ease);
}
.btn-ghost-light:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px);}
.nav-cta{flex:0 0 auto;}

/* ---------- article head ---------- */
.article-head{
  padding:44px 0 34px;
  border-bottom:1px solid var(--line);
  background:var(--bg);
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--ink);box-shadow:inset 0 -2px 0 var(--accent);}
.crumb .sep{color:#C4C6C0;}
.crumb .current{color:var(--ink);font-weight:700;}
.article-title{
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.13;
  max-width:900px;
  margin-bottom:26px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13.5px;color:var(--muted);
}
.meta-cat{
  display:inline-flex;align-items:center;
  padding:5px 14px;border:1px solid var(--accent);border-radius:999px;
  color:var(--ink);font-weight:700;font-size:12.5px;background:#fff;
}
.meta-sep{width:1px;height:14px;background:var(--line);display:inline-block;}
.meta-num{font-family:ui-monospace,"Archivo",Menlo,Consolas,monospace;font-size:13px;letter-spacing:.02em;}
.badge-new{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--accent);color:var(--on-accent);
  font-size:12px;font-weight:800;letter-spacing:.01em;
}
.badge-signal{background:var(--signal);color:#fff;}

/* ---------- layout ---------- */
.article-layout{padding:56px 0 24px;}
.article-body{
  max-width:760px;
  font-size:17px;line-height:1.85;color:var(--ink-soft);
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(22px,2.4vw,30px);line-height:1.25;
  margin:52px 0 18px;padding-left:14px;
  border-left:3px solid var(--accent);
  color:var(--ink);
}
.article-body h3{
  font-size:20px;line-height:1.4;font-weight:700;
  margin:36px 0 14px;color:var(--ink);
}
.article-body h4{font-size:17px;margin:28px 0 12px;color:var(--ink);}
.article-body p{margin:0 0 22px;}
.article-body a{color:var(--ink);font-weight:600;box-shadow:inset 0 -2px 0 var(--accent);}
.article-body a:hover{color:var(--ink);background:rgba(195,245,60,.32);}
.article-body ul,.article-body ol{padding-left:1.35em;margin-bottom:24px;}
.article-body li{margin-bottom:10px;line-height:1.9;}
.article-body ul li::marker{color:var(--accent-strong);}
.article-body ol li::marker{color:var(--accent-strong);font-weight:700;}
.article-body blockquote{
  margin:30px 0;padding:20px 24px;
  background:var(--surface);border-left:4px solid var(--accent);
  border-radius:0 12px 12px 0;color:var(--ink-soft);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:26px auto;box-shadow:var(--shadow-sm);}
.article-body figure{margin:28px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);
}
.article-body th{
  background:#EFEFEA;text-align:left;font-weight:700;color:var(--ink);
  padding:12px 16px;border-bottom:1px solid var(--line);
}
.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);}
.article-body tr:last-child td{border-bottom:none;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:40px 0;}

.empty-state{
  border:1px dashed #C9CBC4;border-radius:var(--r-card);
  background:var(--surface);padding:44px 32px;text-align:center;
  max-width:760px;
}
.empty-state .empty-title{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:10px;}
.empty-state .empty-desc{color:var(--muted);margin-bottom:22px;font-size:15px;}

/* ---------- tags & related ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  margin:46px 0 0;padding-top:28px;border-top:1px solid var(--line);
}
.tag-row .tag-label{font-size:13px;color:var(--muted);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;min-height:34px;padding:6px 15px;
  border:1px solid var(--line);border-radius:999px;background:var(--surface);
  font-size:13px;color:var(--ink-soft);transition:all 240ms var(--ease);
}
.tag:hover{border-color:var(--accent);color:var(--ink);transform:translateY(-1px);}

.related{padding:64px 0 8px;}
.section-head{margin-bottom:28px;}
.section-kicker{
  font-size:12.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-bottom:10px;display:block;
}
.section-title{font-size:clamp(22px,2.6vw,32px);line-height:1.25;}
.related-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.related-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-md);}
.related-thumb{position:relative;aspect-ratio:16/9;background:var(--line);overflow:hidden;}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.related-card:hover .related-thumb img{transform:scale(1.03);}
.related-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.related-body h3{font-size:17px;line-height:1.45;font-weight:700;}
.related-meta{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  font-size:12.5px;color:var(--muted);
}
.related-meta .meta-num{font-size:12.5px;}

.return-row{padding:34px 0 0;}

/* ---------- sidebar ---------- */
.side-card{
  position:sticky;top:100px;
  background:var(--ink);color:#fff;
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-card);
  padding:28px 26px;
}
.side-card h3{color:#fff;font-size:19px;line-height:1.4;margin-bottom:12px;}
.side-card p{color:rgba(255,255,255,.66);font-size:14px;line-height:1.75;margin-bottom:20px;}
.side-list{list-style:none;padding:0;margin:22px 0 0;}
.side-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-top:1px solid rgba(255,255,255,.10);
  font-size:14px;color:rgba(255,255,255,.86);
}
.side-list .num{
  font-family:ui-monospace,Menlo,Consolas,monospace;
  color:var(--accent);font-weight:700;font-size:13px;flex:0 0 auto;
}

/* ---------- faq ---------- */
.faq-section{padding:72px 0 24px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:100%;padding:22px 0;background:none;border:none;text-align:left;
  font-size:17px;font-weight:700;color:var(--ink);cursor:pointer;
  transition:color 240ms var(--ease);
}
.faq-q:hover{color:var(--ink-soft);}
.faq-q .caret{
  flex:0 0 auto;width:22px;height:22px;color:var(--muted);
  transition:transform 240ms var(--ease),color 240ms var(--ease);
}
.faq-q[aria-expanded="true"]{color:var(--ink);}
.faq-q[aria-expanded="true"] .caret{transform:rotate(180deg);color:var(--accent-strong);}
.faq-a{padding:0 0 24px;color:var(--ink-soft);font-size:15.5px;max-width:820px;}
.faq-a p:last-child{margin-bottom:0;}
.faq-body-inner{position:relative;padding-left:16px;border-left:3px solid var(--accent);}

/* ---------- CTA band ---------- */
.cta-band{
  margin-top:80px;
  background:var(--ink);color:#fff;
  padding:64px 0;
}
.cta-band .cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,38px);line-height:1.2;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.66);margin:0;font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-metrics{
  display:flex;flex-wrap:wrap;gap:28px;
  margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.10);
}
.cta-metric{min-width:120px;}
.cta-metric .k{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.5);}
.cta-metric .v{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:17px;font-weight:700;color:var(--accent);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;border-top:1px solid rgba(255,255,255,.10);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.site-footer h4{
  color:#fff;font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  font-weight:800;margin-bottom:18px;
}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--accent);color:var(--on-accent);}
.footer-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-top:14px;}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-links a:hover{color:var(--accent);box-shadow:inset 0 -2px 0 var(--accent);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .mono{font-family:ui-monospace,Menlo,Consolas,monospace;}

/* ---------- mobile bar ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(17,18,20,.96);backdrop-filter:blur(10px);
  border-top:1px solid rgba(255,255,255,.10);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  align-items:center;justify-content:space-between;gap:12px;
}
.mobile-bar .mb-text{color:#fff;font-size:13px;font-weight:700;}

/* ---------- fade in ---------- */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.is-in{opacity:1;transform:none;transition:opacity 600ms var(--ease),transform 600ms var(--ease);}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .container{padding:0 24px;}
}
@media (max-width:991.98px){
  .nav-chips{justify-content:flex-start;}
  .nav-wrap{gap:14px;min-height:68px;}
  .brand-text{font-size:15.5px;}
  .article-layout{padding:44px 0 16px;}
  .side-card{position:static;margin-top:36px;}
  .cta-band{margin-top:64px;padding:52px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .related{padding:52px 0 0;}
  .faq-section{padding:56px 0 16px;}
}
@media (max-width:767.98px){
  body{font-size:16px;padding-bottom:74px;}
  .container{padding:0 18px;}
  .nav-chips .chip{min-height:38px;padding:7px 14px;font-size:13.5px;}
  .nav-cta{display:none;}
  .article-head{padding:32px 0 26px;}
  .article-title{margin-bottom:20px;}
  .article-body{font-size:16px;}
  .article-body table{white-space:normal;}
  .mobile-bar{display:flex;}
  .cta-band .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-metrics{gap:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .faq-q{font-size:16px;padding:18px 0;}
}
@media (max-width:519.98px){
  .brand-text{font-size:14.5px;}
  .brand-mark{width:30px;height:30px;}
  .meta-row{gap:10px;font-size:13px;}
  .btn-lime,.btn-ghost,.btn-ghost-light{width:100%;}
  .cta-actions{width:100%;}
}

/* roulang page: category1 */
:root{
  --ink:#111214;
  --ink-soft:#3A3D42;
  --muted:#75797F;
  --line:#E3E4DF;
  --bg:#F5F5F2;
  --surface:#FFFFFF;
  --accent:#C3F53C;
  --accent-strong:#A8DE22;
  --on-accent:#0E1A00;
  --signal:#FF5A2B;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --sh-card:0 1px 2px rgba(17,18,20,.04),0 12px 32px -12px rgba(17,18,20,.10);
  --sh-card-lg:0 2px 4px rgba(17,18,20,.05),0 22px 44px -16px rgba(17,18,20,.16);
  --ease:240ms cubic-bezier(.2,.7,.3,1);
  --mono:ui-monospace,"SFMono-Regular","Archivo","Inter",Menlo,Consolas,monospace;
  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --bs-primary:#C3F53C;
  --bs-body-bg:#F5F5F2;
  --bs-body-color:#111214;
  --bs-border-color:#E3E4DF;
  --bs-border-radius:12px;
  --bs-link-color:#111214;
  --bs-link-hover-color:#111214;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;background:var(--line)}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* 容器 */
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:576px){.container{padding-left:24px;padding-right:24px}}
@media (min-width:1200px){.container{max-width:1240px;padding-left:32px;padding-right:32px}}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(245,245,242,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{background:rgba(245,245,242,.97);border-bottom-color:var(--line)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--accent);
  display:grid;place-items:center;flex:0 0 auto;transition:transform var(--ease)
}
.brand-mark svg{width:20px;height:20px}
.brand:hover .brand-mark{transform:rotate(-6deg)}
.nav-chips{
  display:flex;align-items:center;gap:8px;margin-left:auto;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  padding:6px 2px;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);background:var(--surface);
  font-size:14.5px;font-weight:600;color:var(--ink-soft);white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.chip:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.chip.active{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.chip.active:hover{background:var(--accent-strong);border-color:var(--accent-strong);transform:none}
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  background:var(--accent);border:1px solid var(--accent);color:var(--on-accent);
  font-weight:700;font-size:15px;cursor:pointer;
  transition:background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-lime:hover{background:var(--accent-strong);border-color:var(--accent-strong);transform:translateY(-1px)}
.btn-lime:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;min-height:40px;font-size:14.5px;border-radius:10px}
.nav-cta{flex:0 0 auto}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 22px;border-radius:var(--r-btn);
  background:transparent;border:1px solid rgba(255,255,255,.34);color:#fff;
  font-weight:600;font-size:15px;cursor:pointer;
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:#fff;transform:translateY(-1px)}
.btn-ink{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 22px;border-radius:var(--r-btn);
  background:var(--ink);border:1px solid var(--ink);color:#fff;font-weight:600;font-size:15px;cursor:pointer;
  transition:transform var(--ease),background var(--ease);
}
.btn-ink:hover{background:#000;transform:translateY(-1px)}

/* 首屏 */
.page-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding-top:84px}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center right;
  opacity:.30;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,#111214 0%,rgba(17,18,20,.94) 42%,rgba(17,18,20,.58) 100%);
}
.hero-content{position:relative;z-index:1;max-width:840px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--accent);margin-bottom:20px;
  border:1px solid rgba(195,245,60,.34);border-radius:999px;padding:6px 14px;
}
.eyebrow .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.page-hero h1{
  font-size:clamp(32px,4.6vw,58px);line-height:1.1;font-weight:800;
  letter-spacing:-.02em;color:#fff;margin-bottom:22px;
}
.hero-lead{font-size:17px;line-height:1.9;color:rgba(255,255,255,.74);max-width:700px;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:56px}
.stat-row{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
  padding:26px 0 42px;margin:0;
}
.stat{flex:1 1 190px;min-width:150px;padding-right:24px;margin-right:24px;border-right:1px solid rgba(255,255,255,.12);margin-bottom:8px}
.stat:last-child{border-right:0;margin-right:0;padding-right:0}
.stat dt{font-size:12.5px;color:rgba(255,255,255,.5);letter-spacing:.06em;margin-bottom:6px;font-weight:600}
.stat dd{margin:0;font-family:var(--mono);font-size:22px;font-weight:700;color:#fff;letter-spacing:-.01em}
.stat dd em{font-style:normal;color:var(--accent)}

/* 板块 */
.section{padding:88px 0}
.section--alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--muted);
  text-transform:uppercase;margin-bottom:14px;
}
.section-label::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.section-head h2{font-size:clamp(24px,2.9vw,36px);line-height:1.22;font-weight:800;letter-spacing:-.015em;margin-bottom:14px}
.section-head p{color:var(--ink-soft);font-size:16.5px;max-width:700px}

/* 时间轴 */
.timeline{border-top:1px solid var(--line)}
.tl-item{
  display:grid;grid-template-columns:158px 1fr;gap:32px;
  padding:28px 24px 28px 0;border-bottom:1px solid var(--line);
  transition:background var(--ease);
}
.tl-item:hover{background:var(--surface)}
.tl-side{position:relative;padding-left:22px}
.tl-dot{
  position:absolute;left:0;top:12px;width:9px;height:9px;border-radius:50%;
  background:var(--signal);box-shadow:0 0 0 4px rgba(255,90,43,.14);
}
.tl-ver{font-family:var(--mono);font-size:17px;font-weight:700;letter-spacing:-.01em;display:block}
.tl-date{font-family:var(--mono);font-size:13px;color:var(--muted);display:block;margin-top:4px}
.tl-body h3{font-size:20px;font-weight:700;line-height:1.45;margin-bottom:8px}
.tl-body p{color:var(--ink-soft);font-size:15.5px;max-width:740px;margin-bottom:14px}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13.5px;color:var(--muted)}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
  font-size:12.5px;font-weight:600;color:var(--ink-soft);
}
.text-link{position:relative;font-weight:600;font-size:14px;color:var(--ink);padding-bottom:2px}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-1px;height:2px;width:0;
  background:var(--accent);transition:width var(--ease);
}
.text-link:hover::after{width:100%}

/* 深色插条 */
.inline-cta{
  display:flex;align-items:center;justify-content:space-between;gap:26px;
  background:var(--ink);color:#fff;border-radius:var(--r-card);
  padding:26px 32px;margin:30px 0;
  border:1px solid rgba(255,255,255,.10);
}
.inline-cta h3{font-size:19px;font-weight:700;margin-bottom:6px}
.inline-cta p{font-size:14.5px;color:rgba(255,255,255,.66);max-width:560px}

/* 非对称卡片区 */
.split{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.stack{display:grid;gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;
}
.card-hover{transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease)}
.card-hover:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--sh-card-lg)}
.card-pad{padding:30px 32px}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--line)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1)}
.card-hover:hover .card-media img{transform:scale(1.03)}
.badge-lime{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--accent);color:var(--on-accent);font-size:12px;font-weight:700;letter-spacing:.02em;
}
.card h3{font-size:21px;font-weight:800;line-height:1.4;margin:14px 0 10px;letter-spacing:-.01em}
.card p{color:var(--ink-soft);font-size:15.5px}
.mini-card{display:grid;gap:12px;padding:26px 28px}
.mini-card .mini-num{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--signal);letter-spacing:.08em}
.mini-card h3{font-size:18px;font-weight:700;margin:0}
.mini-card p{font-size:15px}
.feature-body{padding:28px 32px 32px}

/* 图文两栏 */
.media-split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.media-frame{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-card)}
.media-frame img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-list{list-style:none;display:grid;gap:16px;margin-top:26px}
.check-list li{display:flex;gap:14px;align-items:flex-start;font-size:16px;color:var(--ink-soft)}
.check-list .tick{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:var(--accent);
  color:var(--on-accent);display:grid;place-items:center;margin-top:5px;
}
.check-list .tick svg{width:13px;height:13px}
.check-list strong{color:var(--ink);font-weight:700}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.step{position:relative;padding-top:28px}
.step::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:3px;
  background:var(--line);border-radius:3px;
}
.step.is-done::before{background:var(--accent)}
.step.is-live::before{
  background:linear-gradient(90deg,var(--accent) 60%,var(--signal));
  box-shadow:0 0 0 4px rgba(195,245,60,.24);
}
.step-num{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.1em;display:block}
.step h3{font-size:17.5px;font-weight:700;margin:10px 0 8px}
.step p{font-size:14.8px;color:var(--ink-soft)}

/* 常见问题 */
.faq{max-width:900px}
.faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq .accordion-button{
  background:transparent;box-shadow:none;border-radius:0;
  padding:24px 44px 24px 0;font-size:17.5px;font-weight:700;color:var(--ink);
  position:relative;transition:color var(--ease);
}
.faq .accordion-button:not(.collapsed){color:#5F7D12;box-shadow:none}
.faq .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%);
  width:3px;height:22px;background:var(--accent);border-radius:2px;
}
.faq .accordion-button::after{
  background-image:none;content:"";position:absolute;right:8px;top:50%;
  width:9px;height:9px;border-right:2px solid var(--ink-soft);border-bottom:2px solid var(--ink-soft);
  transform:translateY(-70%) rotate(45deg);transition:transform var(--ease),border-color var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{
  transform:translateY(-30%) rotate(225deg);border-color:#5F7D12;
}
.faq .accordion-button:focus{box-shadow:none}
.faq .accordion-body{padding:0 60px 26px 0;color:var(--ink-soft);font-size:16px;max-width:760px}

/* 底部 CTA */
.cta-band{background:var(--ink);color:#fff;padding:76px 0;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(195,245,60,.20),transparent 66%);
}
.cta-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px}
.cta-inner h2{font-size:clamp(25px,3vw,38px);font-weight:800;letter-spacing:-.015em;margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.7);font-size:16.5px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);color:var(--accent)}
.site-footer .about{font-size:14.5px;color:rgba(255,255,255,.6);max-width:340px;line-height:1.85}
.site-footer h4{
  font-size:13px;font-weight:700;letter-spacing:.14em;color:rgba(255,255,255,.46);
  margin-bottom:18px;text-transform:uppercase;
}
.site-footer ul{list-style:none}
.site-footer ul li a{display:inline-block;padding:5px 0;font-size:14.5px;color:rgba(255,255,255,.74)}
.site-footer ul li a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.5);
}
.footer-bottom .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-right:8px}
.footer-bottom p{margin:0}

/* 移动端固定 CTA */
.mobile-cta{
  position:fixed;left:12px;right:12px;bottom:12px;z-index:1040;
  display:none;align-items:center;justify-content:space-between;gap:12px;
  background:var(--ink);border:1px solid rgba(255,255,255,.12);
  border-radius:14px;padding:10px 12px 10px 16px;
  box-shadow:0 18px 40px -16px rgba(17,18,20,.62);
}
.mobile-cta span{color:#fff;font-size:13.5px;font-weight:600}
.mobile-cta .btn-lime{padding:9px 16px;min-height:40px;font-size:14px;border-radius:10px}

/* 进场动画 */
.reveal{opacity:0;transform:translateY(12px);animation:reveal 620ms cubic-bezier(.2,.7,.3,1) forwards}
@keyframes reveal{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  .reveal{animation:none;opacity:1;transform:none}
  html{scroll-behavior:auto}
  *{transition:none !important}
}

/* 响应式 */
@media (max-width:1199.98px){
  .section{padding:80px 0}
}
@media (max-width:991.98px){
  .split{grid-template-columns:1fr}
  .media-split{grid-template-columns:1fr;gap:32px}
  .media-frame img{aspect-ratio:16/9}
  .steps{grid-template-columns:repeat(2,1fr);gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .section{padding:72px 0}
}
@media (max-width:767.98px){
  body{padding-bottom:82px}
  .nav-wrap{flex-wrap:wrap;gap:12px;padding:12px 0}
  .nav-chips{order:3;width:100%;margin-left:0;padding-bottom:2px}
  .nav-cta{margin-left:auto}
  .brand-text{font-size:15.5px}
  .page-hero{padding-top:56px}
  .hero-actions{margin-bottom:40px}
  .stat{padding-right:18px;margin-right:18px;flex:1 1 130px}
  .stat dd{font-size:19px}
  .tl-item{grid-template-columns:1fr;gap:12px;padding:24px 16px 24px 0}
  .tl-side{padding-left:20px;display:flex;align-items:baseline;gap:12px}
  .tl-dot{top:8px}
  .tl-date{margin-top:0}
  .inline-cta{flex-direction:column;align-items:flex-start;padding:24px}
  .card-pad{padding:24px}
  .feature-body{padding:22px 24px 26px}
  .cta-band{padding:60px 0}
  .cta-inner h2{font-size:26px}
  .section{padding:56px 0}
  .faq .accordion-button{font-size:16.5px;padding:20px 40px 20px 0}
  .faq .accordion-body{padding:0 0 22px}
  .mobile-cta{display:flex}
}
@media (max-width:575.98px){
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .card-media{aspect-ratio:3/2}
}

/* roulang page: category2 */
:root{
  --ink:#111214;
  --ink-soft:#3A3D42;
  --muted:#75797F;
  --line:#E3E4DF;
  --bg:#F5F5F2;
  --surface:#FFFFFF;
  --accent:#C3F53C;
  --accent-strong:#A8DE22;
  --on-accent:#0E1A00;
  --signal:#FF5A2B;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --sh:0 1px 2px rgba(17,18,20,.04), 0 12px 32px -12px rgba(17,18,20,.10);
  --ease:240ms cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#F5F5F2;
  --bs-body-color:#111214;
  --bs-border-color:#E3E4DF;
  --bs-border-radius:12px;
  --bs-primary:#C3F53C;
  --bs-link-color:#111214;
  --bs-link-hover-color:#111214;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:inherit}
button,input{font-family:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.mono{font-family:ui-monospace,"Archivo","Inter","SFMono-Regular",Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;letter-spacing:-.01em}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1200px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,245,242,.82);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),background var(--ease);
}
.site-header.scrolled{border-bottom-color:var(--line);background:rgba(245,245,242,.94)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;min-height:44px}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--ink);color:var(--accent);flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.nav-chips{
  display:flex;align-items:center;gap:8px;margin-left:auto;margin-right:auto;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:4px;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink-soft);
  font-size:14px;font-weight:600;white-space:nowrap;
  transition:var(--ease);
}
.chip:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.chip.active{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.chip.active:hover{background:var(--accent-strong);border-color:var(--accent-strong)}
.nav-cta{flex:0 0 auto}

/* ---------- buttons ---------- */
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  background:var(--accent);color:var(--on-accent);font-size:15px;font-weight:700;
  cursor:pointer;transition:var(--ease);
}
.btn-lime:hover{background:var(--accent-strong);transform:translateY(-1px);color:var(--on-accent)}
.btn-lime:active{transform:translateY(1px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.34);background:transparent;color:#fff;
  font-size:15px;font-weight:600;cursor:pointer;transition:var(--ease);
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.btn-ghost-dark{
  border-color:var(--line);color:var(--ink);background:var(--surface);
}
.btn-ghost-dark:hover{border-color:var(--ink);color:var(--ink)}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;
  color:var(--ink);position:relative;padding-bottom:2px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.text-link:hover::after{transform:scaleX(1)}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:84px 0 64px}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 460px at 82% 18%,rgba(195,245,60,.14),transparent 62%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);color:var(--accent);font-size:12.5px;font-weight:700;letter-spacing:.04em;
}
.hero h1{
  margin-top:20px;font-size:clamp(34px,5vw,62px);line-height:1.08;font-weight:800;letter-spacing:-.02em;
}
.hero h1 .hl{color:var(--accent)}
.hero-sub{margin-top:20px;max-width:620px;color:rgba(255,255,255,.76);font-size:17px;line-height:1.85}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}
.hero-stats{
  margin-top:40px;display:flex;flex-wrap:wrap;gap:0;border-top:1px solid rgba(255,255,255,.12);padding-top:22px;
}
.hero-stats li{padding:0 24px;border-left:1px solid rgba(255,255,255,.12)}
.hero-stats li:first-child{padding-left:0;border-left:0}
.hero-stats .k{display:block;color:rgba(255,255,255,.5);font-size:12.5px;letter-spacing:.06em}
.hero-stats .v{display:block;margin-top:4px;font-size:16px;font-weight:700;color:#fff}
.hero-visual{position:relative;border-radius:20px;overflow:hidden;min-height:340px;background:#1B1D20}
.hero-visual img{width:100%;height:100%;min-height:340px;object-fit:cover;opacity:.86}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(17,18,20,.92) 0%,rgba(17,18,20,.28) 52%,rgba(17,18,20,.05) 100%);
}
.hero-visual .float-card{
  position:absolute;left:20px;bottom:20px;z-index:2;
  background:rgba(17,18,20,.78);border:1px solid rgba(255,255,255,.14);border-radius:14px;
  padding:14px 18px;backdrop-filter:blur(6px);
}
.float-card .t{font-size:12.5px;color:rgba(255,255,255,.55);letter-spacing:.05em}
.float-card .n{font-size:18px;font-weight:800;color:var(--accent)}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-head{max-width:760px}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:var(--muted);text-transform:uppercase;
}
.section-head h2{
  margin-top:14px;font-size:clamp(24px,3vw,38px);line-height:1.2;font-weight:800;letter-spacing:-.02em;
}
.section-head p{margin-top:16px;color:var(--ink-soft);max-width:720px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- overview asymmetric ---------- */
.overview{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start}
.overview-note{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh);
}
.overview-note h3{font-size:20px;font-weight:800}
.overview-note p{margin-top:12px;color:var(--ink-soft);font-size:15.5px}
.metric-list{margin-top:22px}
.metric-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:14px 0;border-top:1px solid var(--line);
}
.metric-list li:last-child{border-bottom:1px solid var(--line)}
.metric-list .k{color:var(--muted);font-size:14px}
.metric-list .v{font-size:18px;font-weight:800}
.tag-cloud{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  border:1px dashed var(--line);color:var(--ink-soft);font-size:13px;background:transparent;
}
.badge-new{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;
  background:var(--signal);color:#fff;font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-lime{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--accent);color:var(--on-accent);font-size:12px;font-weight:700;
}

/* ---------- split blocks ---------- */
.split-wrap{display:grid;gap:72px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--line);
  box-shadow:var(--sh);aspect-ratio:16/11;
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1)}
.split-media:hover img{transform:scale(1.03)}
.split h3{font-size:clamp(21px,2.2vw,28px);font-weight:800;line-height:1.28;letter-spacing:-.01em}
.split p{margin-top:16px;color:var(--ink-soft)}
.split ul{margin-top:20px;display:grid;gap:12px}
.split ul li{position:relative;padding-left:22px;color:var(--ink-soft);font-size:15.5px}
.split ul li::before{
  content:"";position:absolute;left:0;top:11px;width:10px;height:10px;border-radius:3px;background:var(--accent);
}
.split.reverse .split-media{order:2}
.split.reverse .split-body{order:1}

/* ---------- steps ---------- */
.steps-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px}
.step{
  position:relative;padding:26px 22px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--bg);transition:var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:var(--accent);background:var(--surface);box-shadow:var(--sh)}
.step .no{
  font-family:ui-monospace,"Archivo","Inter",monospace;font-size:14px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:26px;padding:0 8px;
  border-radius:8px;background:var(--ink);color:var(--accent);
}
.step h4{margin-top:16px;font-size:17.5px;font-weight:800}
.step p{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.75}
.step::after{
  content:"";position:absolute;right:-13px;top:38px;width:26px;height:1px;background:var(--line);
}
.step:last-child::after{display:none}

/* ---------- table ---------- */
.table-card{
  margin-top:36px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.compare{width:100%;border-collapse:collapse;min-width:720px}
table.compare th,table.compare td{
  padding:16px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:top;
}
table.compare thead th{
  background:#EFEFEA;font-size:13px;letter-spacing:.06em;color:var(--ink-soft);font-weight:700;
  text-transform:uppercase;white-space:nowrap;
}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:hover{background:#FAFAF7}
table.compare td strong{font-weight:800}
.dot-signal{
  display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--signal);margin-right:8px;
  vertical-align:middle;
}

/* ---------- faq ---------- */
.faq{margin-top:36px;border-top:1px solid var(--line)}
.faq .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.faq .accordion-button{
  background:transparent;box-shadow:none;padding:24px 0 24px 0;font-size:17.5px;font-weight:700;color:var(--ink);
  display:flex;gap:16px;align-items:center;
}
.faq .accordion-button:not(.collapsed){color:var(--ink)}
.faq .accordion-button::before{
  content:"";width:3px;height:20px;border-radius:2px;background:transparent;flex:0 0 auto;transition:var(--ease);
}
.faq .accordion-button:not(.collapsed)::before{background:var(--accent)}
.faq .accordion-button:focus{box-shadow:none;border:0}
.faq .accordion-button::after{
  background-image:none;width:14px;height:14px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform var(--ease),border-color var(--ease);margin-left:auto;
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--accent)}
.faq .accordion-body{padding:0 0 26px 19px;color:var(--ink-soft);font-size:15.5px;max-width:820px}

/* ---------- cta band ---------- */
.cta-band{
  margin-top:0;background:var(--ink);color:#fff;border-radius:22px;padding:48px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 320px at 12% 0%,rgba(195,245,60,.16),transparent 66%);
}
.cta-band > *{position:relative}
.cta-band h2{font-size:clamp(23px,2.6vw,34px);font-weight:800;line-height:1.22;letter-spacing:-.02em}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.72);font-size:15.5px}
.sub-form{margin-top:22px;display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 220px;height:48px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;font-size:15px;
  transition:var(--ease);
}
.sub-form input::placeholder{color:rgba(255,255,255,.42)}
.sub-form input:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(195,245,60,.18);
}
.form-hint{margin-top:12px;font-size:13px;color:rgba(255,255,255,.5)}
.cta-side{
  border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:24px;background:rgba(255,255,255,.03);
}
.cta-side .row-item{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.14);font-size:14.5px}
.cta-side .row-item:last-child{border-bottom:0}
.cta-side .row-item span:first-child{color:rgba(255,255,255,.56)}
.cta-side .row-item span:last-child{font-weight:700;color:var(--accent)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.66);margin-top:96px;padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-mark{background:var(--accent);color:var(--ink)}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.8;max-width:340px;color:rgba(255,255,255,.58)}
.footer-col h4{
  font-size:13px;letter-spacing:.14em;color:rgba(255,255,255,.44);font-weight:700;margin-bottom:18px;
}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.72);transition:var(--ease);position:relative}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.footer-tagline{display:inline-flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.62)}
.footer-tagline .dot{
  width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;
  box-shadow:0 0 0 4px rgba(195,245,60,.16);
}
.footer-bottom .copy{font-size:13px;color:rgba(255,255,255,.42)}

/* ---------- mobile cta ---------- */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  padding:12px 16px;background:rgba(17,18,20,.92);border-top:1px solid rgba(255,255,255,.1);
  backdrop-filter:blur(10px);
}
.mobile-cta .btn-lime{width:100%}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.in{opacity:1;transform:none;transition:opacity 520ms cubic-bezier(.2,.7,.3,1),transform 520ms cubic-bezier(.2,.7,.3,1)}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-grid{gap:40px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
}
@media (max-width:991px){
  .nav-wrap{gap:12px}
  .brand-text{font-size:15.5px}
  .nav-cta{display:none}
  .hero{padding:64px 0 52px}
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{min-height:280px}
  .hero-visual img{min-height:280px}
  .section{padding:72px 0}
  .overview{grid-template-columns:1fr;gap:32px}
  .split{grid-template-columns:1fr;gap:28px}
  .split.reverse .split-media{order:0}
  .split.reverse .split-body{order:0}
  .split-wrap{gap:56px}
  .cta-band{grid-template-columns:1fr;padding:36px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .nav-wrap{height:64px}
  .nav-chips{justify-content:flex-start}
  .hero-stats{gap:0;flex-direction:column;border-top:1px solid rgba(255,255,255,.12)}
  .hero-stats li{padding:12px 0;border-left:0;border-bottom:1px dashed rgba(255,255,255,.12)}
  .hero-stats li:last-child{border-bottom:0}
  .section{padding:56px 0}
  .section-sm{padding:44px 0}
  .steps{grid-template-columns:1fr;gap:16px}
  .faq .accordion-button{font-size:16.5px;padding:20px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:56px 0 88px;margin-top:64px}
  .mobile-cta{display:block}
  body{padding-bottom:0}
}
@media (max-width:520px){
  .brand-text{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .hero-actions .btn-lime,.hero-actions .btn-ghost{width:100%}
  .cta-band{padding:26px 20px;border-radius:18px}
}