/* roulang page: index */
:root{
  --ink:#0C2B26;
  --ink-soft:#17453D;
  --lime:#C6F24C;
  --lime-deep:#A9DC2E;
  --orange:#FF6B3D;
  --bg:#F5F3EC;
  --card:#FFFFFF;
  --line:#E3E0D6;
  --text:#2A2F2C;
  --muted:#6B7370;
  --disabled:#A9AFA9;
  --on-dark:#F5F3EC;
  --on-dark-soft:rgba(245,243,236,.72);
  --r-card:18px;
  --r-img:16px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(12,43,38,.06),0 12px 32px -12px rgba(12,43,38,.18);
  --sh-2:0 18px 40px -16px rgba(12,43,38,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:200ms;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);}
h1{font-size:clamp(34px,5vw,60px);line-height:1.15;font-weight:800;letter-spacing:-.01em;}
h2{font-size:clamp(26px,3.4vw,40px);line-height:1.25;font-weight:700;letter-spacing:-.005em;}
h3{font-size:clamp(20px,2.2vw,24px);line-height:1.4;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
img{display:block;max-width:100%;height:auto;background:var(--line);}
a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;transition:color var(--dur) var(--ease),text-decoration-color var(--dur) var(--ease);}
a:hover{text-decoration-color:var(--lime-deep);}
ul,ol{margin:0 0 1em;padding-left:1.2em;}
button{font:inherit;color:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section--ink{background:var(--ink);color:var(--on-dark);}
.section--ink h2,.section--ink h3{color:var(--on-dark);}
.section--paper{background:#fff;}
.section-head{max-width:780px;margin-bottom:48px;}
.section-head h2{margin-top:18px;}
.lead{margin-top:16px;color:var(--muted);font-size:16.5px;}
.section--ink .lead{color:var(--on-dark-soft);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--ink);background:rgba(12,43,38,.07);border-radius:var(--r-pill);padding:5px 12px;}
.section--ink .eyebrow,.hero .eyebrow{background:rgba(198,242,76,.14);color:var(--lime);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  border:1.5px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--lime-deep);color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-ghost:hover{background:rgba(12,43,38,.06);transform:translateY(-2px);}
.btn-ghost-light{border-color:rgba(245,243,236,.55);color:var(--on-dark);background:transparent;}
.btn-ghost-light:hover{background:rgba(245,243,236,.12);border-color:rgba(245,243,236,.85);color:var(--on-dark);transform:translateY(-2px);}
.btn-light{background:var(--on-dark);color:var(--ink);}
.btn-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-sm{height:32px;padding:0 16px;font-size:13.5px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.badge{display:inline-flex;align-items:center;font-size:12px;font-weight:600;line-height:1;padding:5px 10px;border-radius:var(--r-pill);background:rgba(12,43,38,.08);color:var(--ink);white-space:nowrap;}
.badge-sm{padding:4px 9px;}
.section--ink .badge{background:rgba(198,242,76,.14);color:var(--lime);}
.status-pill{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--muted);}
.status-dot{width:9px;height:9px;border-radius:var(--r-pill);background:var(--orange);box-shadow:0 0 0 4px rgba(255,107,61,.16);flex:0 0 auto;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(12,43,38,.30);
  border-bottom:1px solid rgba(245,243,236,.16);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  box-shadow:0 2px 24px -12px rgba(12,43,38,.6);
  transition:background 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(12,43,38,.97);
  border-bottom-color:rgba(198,242,76,.22);
  box-shadow:0 12px 32px -16px rgba(12,43,38,.7);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--on-dark);text-decoration:none;font-weight:800;flex:0 0 auto;}
.brand:hover{text-decoration:none;color:var(--on-dark);}
.brand-mark{width:30px;height:30px;border-radius:var(--r-input);background:var(--lime);display:grid;place-items:center;flex:0 0 auto;}
.brand-mark svg{width:16px;height:16px;stroke:var(--ink);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{font-size:17px;letter-spacing:.02em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{position:relative;color:rgba(245,243,236,.86);text-decoration:none;font-size:15px;font-weight:600;padding:10px 14px;border-radius:var(--r-pill);transition:color var(--dur) var(--ease),background var(--dur) var(--ease);}
.nav-link:hover{color:var(--on-dark);background:rgba(245,243,236,.10);text-decoration:none;}
.nav-link.is-active{color:var(--on-dark);}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--lime);border-radius:2px;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{width:40px;height:40px;border-radius:var(--r-pill);border:1px solid rgba(245,243,236,.28);background:transparent;display:inline-flex;align-items:center;justify-content:center;color:var(--on-dark);transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease);}
.icon-btn:hover{background:rgba(245,243,236,.12);border-color:rgba(245,243,236,.5);}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;}
.menu-toggle{display:none;width:40px;height:40px;border-radius:var(--r-pill);border:1px solid rgba(245,243,236,.28);background:transparent;color:var(--on-dark);align-items:center;justify-content:center;}
.menu-toggle:hover{background:rgba(245,243,236,.12);}
.menu-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;}

/* ---------- Drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(12,43,38,.58);opacity:0;visibility:hidden;transition:opacity 240ms var(--ease),visibility 240ms;z-index:80;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);background:var(--ink);z-index:90;transform:translateX(102%);transition:transform 280ms var(--ease);padding:20px;display:flex;flex-direction:column;box-shadow:-20px 0 48px -24px rgba(12,43,38,.8);}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid rgba(245,243,236,.14);}
.drawer-brand{color:var(--on-dark);font-weight:800;font-size:16px;}
.drawer-close{width:36px;height:36px;border-radius:var(--r-pill);border:1px solid rgba(245,243,236,.28);background:transparent;color:var(--on-dark);display:grid;place-items:center;}
.drawer-close svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px;}
.drawer-nav a{height:48px;display:flex;align-items:center;justify-content:space-between;color:var(--on-dark-soft);text-decoration:none;font-weight:600;font-size:15px;border-bottom:1px solid rgba(245,243,236,.10);}
.drawer-nav a:hover{color:var(--on-dark);text-decoration:none;}
.drawer-nav a.is-active{color:var(--lime);}
.drawer-nav a span{font-size:12px;color:rgba(245,243,236,.45);}
.drawer-foot{margin-top:auto;padding-top:20px;display:grid;gap:12px;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:var(--on-dark);padding:136px 0 96px;}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(12,43,38,.94) 0%,rgba(12,43,38,.80) 48%,rgba(12,43,38,.62) 100%);}
.hero-tex{position:absolute;top:0;right:0;width:54%;height:100%;background-image:repeating-linear-gradient(48deg,rgba(198,242,76,.07) 0 2px,transparent 2px 16px);pointer-events:none;}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.72fr);gap:56px;align-items:end;}
.hero h1{color:var(--on-dark);margin-top:22px;}
.hero h1 .hl{color:var(--lime);}
.hero-value{margin-top:24px;font-size:clamp(18px,2vw,22px);font-weight:600;color:var(--on-dark);letter-spacing:.005em;}
.hero-desc{margin-top:14px;max-width:560px;color:var(--on-dark-soft);font-size:16px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.trust-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:44px;padding-top:24px;border-top:1px solid rgba(245,243,236,.16);}
.trust-item{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--on-dark-soft);}
.trust-item::before{content:"";width:6px;height:6px;border-radius:var(--r-pill);background:var(--lime);flex:0 0 auto;}
.status-card{background:#fff;border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-2);color:var(--text);justify-self:end;width:100%;max-width:330px;}
.status-card h3{font-size:17px;margin:0;}
.status-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.status-card p{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.7;}
.status-list{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);display:grid;gap:10px;}
.status-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--muted);}
.status-row b{color:var(--ink);font-variant-numeric:tabular-nums;font-weight:700;}

/* ---------- Stairs value ---------- */
.stairs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));}
.stair{padding:0 34px;border-left:1px solid rgba(245,243,236,.16);}
.stair:first-child{padding-left:0;border-left:0;}
.stair:nth-child(2){padding-top:44px;}
.stair:nth-child(3){padding-top:88px;}
.stair-num{font-size:clamp(40px,4.4vw,58px);font-weight:800;line-height:1;color:var(--lime);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.stair h3{margin-top:20px;}
.stair p{margin-top:12px;font-size:15.5px;color:var(--on-dark-soft);}

/* ---------- Flow ---------- */
.flow{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:start;}
.flow-points{margin-top:26px;display:grid;gap:14px;}
.flow-point{display:flex;gap:12px;font-size:15.5px;}
.flow-point::before{content:"";width:8px;height:8px;margin-top:11px;border-radius:2px;background:var(--ink);flex:0 0 auto;}
.flow-cta{margin-top:32px;}
.steps{display:grid;gap:18px;}
.step-card{display:grid;grid-template-columns:150px minmax(0,1fr);gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:16px;box-shadow:var(--sh-1);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.step-card img{width:150px;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);}
.step-no{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--muted);font-variant-numeric:tabular-nums;}
.step-card h3{margin-top:6px;font-size:19px;}
.step-card p{margin-top:8px;font-size:14.5px;line-height:1.7;color:var(--muted);}

/* ---------- CMS news ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.news-head h2{margin-top:18px;}
.text-link{font-size:15px;font-weight:600;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--lime-deep);padding-bottom:2px;white-space:nowrap;}
.text-link:hover{color:var(--ink-soft);text-decoration:none;}
.news-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:28px;align-items:start;}
.post-feature{display:block;text-decoration:none;color:inherit;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);}
.post-feature:hover{transform:translateY(-3px);box-shadow:var(--sh-2);text-decoration:none;color:inherit;}
.post-feature img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.post-feature-body{padding:24px;}
.post-feature h3{margin-top:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-feature p{margin-top:12px;font-size:15px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{margin-top:16px;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
.post-meta .sep{width:1px;height:12px;background:var(--line);}
.post-rows{display:grid;gap:14px;}
.post-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:16px 20px;text-decoration:none;color:inherit;box-shadow:var(--sh-1);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);}
.post-row:hover{transform:translateY(-3px);box-shadow:var(--sh-2);text-decoration:none;}
.post-row-title{font-weight:600;font-size:15.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;}
.post-row:hover .post-row-title{color:var(--ink-soft);}
.post-row time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap;}
.empty{border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;padding:48px 24px;text-align:center;}
.empty-box{width:160px;height:120px;margin:0 auto 20px;border-radius:var(--r-img);border:1px solid var(--line);background:linear-gradient(140deg,#F5F3EC 0%,#EAE7DD 100%);position:relative;overflow:hidden;}
.empty-box::before{content:"";position:absolute;left:18px;right:18px;top:34px;height:1px;background:rgba(12,43,38,.14);box-shadow:0 16px 0 rgba(12,43,38,.10),0 32px 0 rgba(12,43,38,.08);}
.empty p{color:var(--muted);font-size:15px;}
.empty .btn{margin-top:20px;}

/* ---------- Social proof ---------- */
.stats-panel{background:var(--ink);border-radius:var(--r-card);padding:40px 36px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;}
.stat-num{font-size:clamp(28px,3.4vw,40px);font-weight:800;line-height:1;color:var(--lime);font-variant-numeric:tabular-nums;}
.stat-num em{font-style:normal;font-size:15px;margin-left:4px;letter-spacing:.02em;}
.stat-label{margin-top:12px;font-size:14px;color:var(--on-dark-soft);}
.quotes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:32px;}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);}
.quote:nth-child(2){transform:translateY(26px);}
.quote-head{display:flex;align-items:center;gap:12px;}
.avatar{width:42px;height:42px;border-radius:var(--r-pill);background:rgba(12,43,38,.08);color:var(--ink);display:grid;place-items:center;font-weight:700;flex:0 0 auto;}
.quote-name{font-weight:600;font-size:15px;}
.stars{color:var(--orange);font-size:13px;letter-spacing:2px;}
.quote p{margin-top:16px;font-size:15px;color:var(--text);}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;background:none;border:0;text-align:left;padding:22px 0;font-size:17px;font-weight:600;color:var(--ink);}
.faq-q:hover{color:var(--ink-soft);}
.faq-icon{width:26px;height:26px;flex:0 0 auto;border-radius:var(--r-pill);border:1px solid var(--line);display:grid;place-items:center;font-size:14px;line-height:1;transition:transform 240ms var(--ease),background 240ms var(--ease),border-color 240ms var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--lime);border-color:var(--lime);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease);}
.faq-a p{padding:0 48px 24px 0;font-size:15px;line-height:1.85;color:var(--muted);}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 96px;}
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:var(--on-dark);border-radius:var(--r-card);padding:56px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;}
.cta-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(45deg,rgba(198,242,76,.07) 0 2px,transparent 2px 14px);}
.cta-band>*{position:relative;}
.cta-band h2{color:var(--on-dark);}
.cta-band p{margin-top:14px;color:var(--on-dark-soft);max-width:560px;font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--on-dark-soft);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:var(--on-dark);font-weight:800;text-decoration:none;}
.footer-brand:hover{text-decoration:none;color:var(--on-dark);}
.footer-brand .brand-mark{background:var(--lime);}
.footer-about{margin-top:18px;font-size:14px;line-height:1.8;color:var(--on-dark-soft);max-width:320px;}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--lime);margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:var(--on-dark-soft);text-decoration:none;font-size:14px;}
.footer-links a:hover{color:var(--on-dark);text-decoration:none;}
.footer-info{font-size:14px;color:var(--on-dark-soft);display:grid;gap:10px;}
.footer-info b{color:var(--on-dark);font-weight:600;}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(245,243,236,.58);}

/* ---------- Mobile bar ---------- */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;align-items:center;gap:10px;padding:10px 14px;background:rgba(255,255,255,.98);border-top:1px solid var(--line);box-shadow:0 -10px 28px -16px rgba(12,43,38,.4);transform:translateY(120%);transition:transform 260ms var(--ease);}
.mobile-bar.is-visible{transform:translateY(0);}
.mobile-bar .btn{flex:1;}
.bar-close{width:32px;height:32px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;color:var(--muted);display:grid;place-items:center;flex:0 0 auto;}
.bar-close svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;}

@media (min-width:1280px){
  .container{max-width:1280px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-actions .btn,.nav-actions .icon-btn{display:none;}
  .menu-toggle{display:inline-flex;}
  .hero{padding:112px 0 72px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;align-items:start;}
  .status-card{justify-self:start;max-width:100%;}
  .section{padding:72px 0;}
  .stairs{grid-template-columns:1fr;gap:0;}
  .stair{padding:0;border-left:0;}
  .stair+.stair{margin-top:28px;padding-top:28px;border-top:1px solid rgba(245,243,236,.16);}
  .stair:nth-child(2),.stair:nth-child(3){padding-top:28px;}
  .flow{grid-template-columns:1fr;gap:36px;}
  .news-layout{grid-template-columns:1fr;}
  .stats-panel{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .quotes{grid-template-columns:1fr;gap:18px;}
  .quote:nth-child(2){transform:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-wrap{padding:0 0 72px;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
}
@media (max-width:767px){
  body{font-size:15.5px;padding-bottom:84px;}
  .container{padding:0 16px;}
  .mobile-bar{display:flex;}
  .section{padding:56px 0;}
  .trust-bar{grid-template-columns:1fr 1fr;gap:14px;}
  .hero{padding:104px 0 60px;}
  .cta-wrap{padding:0 0 56px;}
  .footer-bottom{padding-bottom:12px;}
}
@media (max-width:560px){
  .step-card{grid-template-columns:112px minmax(0,1fr);gap:14px;padding:12px;}
  .step-card img{width:112px;}
  .stats-panel{grid-template-columns:1fr 1fr;padding:28px 22px;gap:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .faq-q{font-size:16px;}
  .faq-a p{font-size:14.5px;padding-right:24px;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --ink:#0C2B26;
  --lime:#C6F24C;
  --orange:#FF6B3D;
  --sand:#F5F3EC;
  --card:#FFFFFF;
  --line:#E3E0D6;
  --text:#2A2F2C;
  --muted:#6B7370;
  --disabled:#A9AFA9;
  --on-dark:#F5F3EC;
  --on-dark-2:rgba(245,243,236,.72);
  --r-card:18px;
  --r-img:16px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(12,43,38,.06),0 12px 32px -12px rgba(12,43,38,.18);
  --sh-2:0 18px 40px -16px rgba(12,43,38,.28);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--sand);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;}
p a,li a{
  color:var(--ink);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
  transition:color var(--ease);
}
p a:hover,li a:hover{color:var(--lime);}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;}
h1{font-size:clamp(34px,5vw,60px);line-height:1.15;font-weight:800;letter-spacing:-.01em;}
h2{font-size:clamp(26px,3.4vw,40px);font-weight:700;}
h3{font-size:clamp(20px,2.2vw,24px);font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

/* 容器 */
.container{width:100%;max-width:1240px;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);
  font-size:16px;font-weight:600;border:1.5px solid transparent;
  transition:transform var(--ease),background-color var(--ease),color var(--ease),box-shadow var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.btn-primary:hover{background:#b9e444;border-color:#b9e444;transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:rgba(12,43,38,.06);transform:translateY(-2px);}
.btn-light{background:var(--on-dark);color:var(--ink);border-color:var(--on-dark);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 32px -18px rgba(0,0,0,.55);}
.btn-lg{height:52px;padding:0 30px;font-size:17px;}
.btn-sm{height:32px;padding:0 16px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.btn.is-loading{color:transparent;position:relative;}
.btn.is-loading::after{
  content:"";position:absolute;width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(12,43,38,.25);border-top-color:var(--ink);
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* 徽章 / 标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;
  padding:5px 10px;border-radius:var(--r-pill);
  background:rgba(12,43,38,.08);color:var(--ink);
}
.badge-plain{background:#fff;border:1px solid var(--line);color:var(--muted);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--orange);display:inline-block;}

/* 顶部导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:var(--nav-h);
  background:rgba(12,43,38,.42);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(245,243,236,.14);
  transition:background-color 240ms cubic-bezier(.2,.7,.3,1),box-shadow 240ms cubic-bezier(.2,.7,.3,1),border-color 240ms cubic-bezier(.2,.7,.3,1);
}
.site-header.is-scrolled{
  background:rgba(12,43,38,.96);
  border-bottom-color:rgba(245,243,236,.1);
  box-shadow:0 14px 30px -20px rgba(0,0,0,.6);
}
.header-inner{
  height:var(--nav-h);display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--on-dark);font-weight:700;font-size:17px;letter-spacing:.01em;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:12px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:38px;padding:0 14px;border-radius:8px;
  color:var(--on-dark-2);font-size:15px;font-weight:500;
  transition:color var(--ease),background-color var(--ease);
}
.nav-link:hover{color:var(--on-dark);background:rgba(245,243,236,.08);}
.nav-link.is-active{color:var(--on-dark);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(245,243,236,.1);border:1px solid rgba(245,243,236,.2);
  color:var(--on-dark);transition:background-color var(--ease),transform var(--ease);
}
.icon-btn:hover{background:rgba(245,243,236,.2);transform:translateY(-2px);}
.icon-btn svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.menu-toggle{display:none;}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,43,38,.55);z-index:70;
  opacity:0;pointer-events:none;transition:opacity var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:80;
  background:var(--ink);padding:24px;
  transform:translateX(102%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;gap:8px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-title{color:var(--on-dark);font-weight:700;font-size:16px;}
.drawer a.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:10px;
  color:var(--on-dark-2);font-size:16px;
  border-bottom:1px solid rgba(245,243,236,.1);
  transition:background-color var(--ease),color var(--ease);
}
.drawer a.drawer-link:hover,.drawer a.drawer-link.is-active{background:rgba(245,243,236,.08);color:var(--on-dark);}
.drawer .btn{margin-top:20px;width:100%;}

/* 页头 */
.page-hero{
  position:relative;overflow:hidden;
  padding:calc(var(--nav-h) + 72px) 0 72px;
  background-color:var(--ink);
  background-image:linear-gradient(100deg,rgba(12,43,38,.92),rgba(12,43,38,.66)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  color:var(--on-dark);
}
.page-hero::after{
  content:"";position:absolute;right:-60px;bottom:-40px;width:340px;height:340px;
  background-image:repeating-linear-gradient(45deg,rgba(198,242,76,.14) 0 2px,transparent 2px 10px);
  pointer-events:none;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--on-dark-2);margin-bottom:20px;}
.crumb a{color:var(--on-dark-2);text-decoration:none;}
.crumb a:hover{color:var(--lime);}
.crumb .sep{opacity:.5;}
.crumb .current{color:var(--lime);font-weight:600;}
.page-hero .badge{background:rgba(198,242,76,.16);color:var(--lime);margin-bottom:18px;}
.page-hero h1{color:var(--on-dark);max-width:16em;}
.page-hero .lede{
  margin-top:18px;max-width:38em;font-size:clamp(16px,1.6vw,19px);
  color:var(--on-dark-2);line-height:1.75;
}
.hero-stats{
  margin-top:36px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(245,243,236,.16);
  border:1px solid rgba(245,243,236,.16);border-radius:var(--r-card);
  overflow:hidden;
}
.hero-stats div{
  background:rgba(12,43,38,.6);padding:18px 20px;
}
.hero-stats .k{font-size:26px;color:var(--lime);line-height:1.2;}
.hero-stats .t{display:block;margin-top:6px;font-size:13px;color:var(--on-dark-2);line-height:1.5;}

/* 板块 */
.section{padding:96px 0;}
.section--sand{background:var(--sand);}
.section--white{background:#fff;}
.section--tight{padding-top:72px;}
.section-head{max-width:44em;margin-bottom:48px;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--muted);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;}
.tick{height:1px;background:linear-gradient(90deg,rgba(198,242,76,.6),rgba(198,242,76,0));margin:0;border:0;}

/* 图文交替 */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
}
.split + .split{margin-top:88px;}
.split.reverse .split-media{order:2;}
.split.reverse .split-body{order:1;}
.split-media{
  border-radius:var(--r-img);overflow:hidden;background:var(--line);
  box-shadow:var(--sh-1);aspect-ratio:3/2;
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1);}
.split-media:hover img{transform:scale(1.03);}
.split-body h3{margin-bottom:16px;}
.split-body p{color:var(--muted);}
.point-list{margin-top:22px;display:grid;gap:12px;}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:16px;color:var(--text);
}
.point-list li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:10px;border-radius:2px;
  background:var(--ink);
}

/* 两列要点清单 */
.checklist-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  display:grid;grid-template-columns:0.85fr 1.15fr;
}
.checklist-left{
  padding:40px 36px;background:var(--ink);color:var(--on-dark);
}
.checklist-left h3{color:var(--on-dark);margin-bottom:14px;}
.checklist-left p{color:var(--on-dark-2);font-size:15px;}
.checklist-left .badge{background:rgba(198,242,76,.16);color:var(--lime);margin-bottom:18px;}
.checklist-right{padding:36px;}
.check-item{
  display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.check-item:first-child{padding-top:4px;}
.check-item:last-child{border-bottom:0;padding-bottom:4px;}
.check-item .no{
  font-size:15px;color:var(--ink);background:rgba(198,242,76,.35);
  width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
}
.check-item h4{margin-bottom:6px;font-size:17px;font-weight:600;color:var(--ink);}
.check-item p{font-size:15px;color:var(--muted);margin:0;}

/* 关联指引卡片 */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  display:flex;flex-direction:column;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(12,43,38,.18);}
.rel-card:hover h3{color:var(--ink);}
.rel-card h3{font-size:19px;transition:color var(--ease);}
.rel-card p{font-size:15px;color:var(--muted);margin:0;}
.rel-card .more{font-size:14px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:6px;margin-top:auto;}
.rel-card .more svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}

/* 深色 CTA */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:var(--on-dark);
  border-radius:24px;padding:56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(198,242,76,.09) 0 2px,transparent 2px 12px);
  pointer-events:none;
}
.cta-band h2{color:var(--on-dark);max-width:22em;position:relative;}
.cta-band p{color:var(--on-dark-2);margin-top:14px;max-width:34em;position:relative;}
.cta-band .btn{position:relative;flex:0 0 auto;}

/* 页脚 */
.site-footer{background:var(--ink);color:var(--on-dark);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--on-dark);font-weight:700;font-size:17px;margin-bottom:16px;}
.footer-brand .brand-mark{width:28px;height:28px;border-radius:9px;background:var(--lime);display:inline-flex;align-items:center;justify-content:center;}
.footer-about{color:var(--on-dark-2);font-size:14px;line-height:1.75;margin:0;max-width:26em;}
.footer-title{color:var(--lime);font-size:14px;font-weight:600;margin-bottom:16px;}
.footer-links,.footer-info{display:grid;gap:12px;}
.footer-links a{display:block;color:var(--on-dark-2);font-size:14px;text-decoration:none;transition:color var(--ease);}
.footer-links a:hover{color:var(--on-dark);}
.footer-info span{color:var(--on-dark-2);font-size:14px;}
.footer-info b{color:var(--on-dark);font-weight:600;}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:rgba(245,243,236,.6);font-size:13px;
}

/* 移动端底部转化条 */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:65;
  height:62px;display:none;align-items:center;gap:10px;
  padding:0 14px;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -12px 28px -18px rgba(12,43,38,.4);
  transform:translateY(110%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);
}
.mobile-bar.is-visible{transform:translateY(0);}
.mobile-bar .btn{flex:1;}
.mobile-bar .close{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--muted);display:inline-flex;align-items:center;justify-content:center;font-size:16px;line-height:1;
}
.mobile-bar .close:hover{background:var(--sand);}

@media (max-width:1279px){
  .container{max-width:1100px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .menu-toggle{display:inline-flex;}
  .section{padding:72px 0;}
  .split{gap:40px;}
  .checklist-block{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px 36px;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .header-inner{gap:12px;}
  .nav-actions .btn{display:none;}
  .page-hero{padding:calc(var(--nav-h) + 48px) 0 56px;}
  .section{padding:56px 0;}
  .split{grid-template-columns:1fr;gap:24px;}
  .split.reverse .split-media{order:1;}
  .split.reverse .split-body{order:2;}
  .split + .split{margin-top:56px;}
  .rel-grid{grid-template-columns:1fr;}
  .checklist-left,.checklist-right{padding:28px 22px;}
  .cta-band{padding:36px 22px;border-radius:18px;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .hero-stats div{padding:14px 16px;}
  .hero-stats .k{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .mobile-bar{display:flex;}
  body{padding-bottom:76px;}
}
@media (max-width:519px){
  .hero-stats{grid-template-columns:1fr;}
  .mobile-bar .btn{padding:0 14px;font-size:15px;}
}

/* roulang page: article */
:root{
  --brand:#0C2B26;
  --brand-soft:rgba(12,43,38,.08);
  --lime:#C6F24C;
  --orange:#FF6B3D;
  --bg:#F5F3EC;
  --card:#FFFFFF;
  --line:#E3E0D6;
  --text:#2A2F2C;
  --muted:#6B7370;
  --disabled:#A9AFA9;
  --on-dark:#F5F3EC;
  --on-dark-muted:rgba(245,243,236,.72);
  --r-card:18px;
  --r-img:16px;
  --r-pill:999px;
  --r-input:12px;
  --shadow:0 1px 2px rgba(12,43,38,.06),0 12px 32px -12px rgba(12,43,38,.18);
  --shadow-hover:0 18px 40px -16px rgba(12,43,38,.28);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC",system-ui,-apple-system,"Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--lime)}
h1,h2,h3,h4{margin:0;color:var(--brand);line-height:1.25}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;font-weight:700}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(12,43,38,.38);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(245,243,236,.16);
  box-shadow:0 8px 28px -18px rgba(12,43,38,.65);
  transition:background 240ms cubic-bezier(.2,.7,.3,1),box-shadow 240ms cubic-bezier(.2,.7,.3,1);
}
.site-header.is-scrolled{
  background:rgba(12,43,38,.96);
  box-shadow:0 12px 30px -14px rgba(12,43,38,.55);
}
.nav-inner{
  height:72px;display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--on-dark);font-weight:700;font-size:17px;letter-spacing:.01em;flex:0 0 auto}
.brand:hover{color:var(--lime)}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--lime);
  display:grid;place-items:center;flex:0 0 auto;
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:var(--r-pill);color:var(--on-dark-muted);font-size:15px;font-weight:600;
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--on-dark);background:rgba(245,243,236,.10)}
.nav-link.is-active{color:var(--on-dark)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--lime);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-pill);display:grid;place-items:center;
  background:rgba(245,243,236,.10);border:1px solid rgba(245,243,236,.22);color:var(--on-dark);
  transition:background var(--ease),transform var(--ease);
}
.icon-btn:hover{background:rgba(245,243,236,.2);transform:translateY(-2px)}
.icon-btn svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.nav-toggle{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;border-radius:var(--r-pill);font-weight:700;text-align:center;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),opacity var(--ease);
}
.btn-md{height:44px;padding:0 22px;font-size:15px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn-sm{height:32px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--lime);color:var(--brand);box-shadow:0 10px 24px -14px rgba(198,242,76,.9)}
.btn-primary:hover{background:#bde745;color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-ghost{background:transparent;color:var(--on-dark);border:1.5px solid rgba(245,243,236,.55)}
.btn-ghost:hover{background:rgba(245,243,236,.14);color:var(--on-dark);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--brand);border:1.5px solid var(--brand)}
.btn-outline:hover{background:rgba(12,43,38,.06);color:var(--brand);transform:translateY(-2px)}
.btn-light{background:var(--on-dark);color:var(--brand)}
.btn-light:hover{background:#ffffff;transform:translateY(-2px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;pointer-events:none}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,43,38,.55);opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,320px);z-index:80;
  background:var(--brand);padding:20px 22px 32px;
  transform:translateX(102%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-head span{color:var(--on-dark);font-weight:700}
.drawer-close{
  width:36px;height:36px;border-radius:var(--r-pill);border:1px solid rgba(245,243,236,.3);
  background:transparent;color:var(--on-dark);display:grid;place-items:center;
}
.drawer a.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:12px;
  color:var(--on-dark-muted);font-weight:600;border-bottom:1px solid rgba(245,243,236,.1);
}
.drawer a.drawer-link:hover,.drawer a.drawer-link.is-active{color:var(--lime);background:rgba(245,243,236,.06)}
.drawer .btn{margin-top:18px}

/* ============ 页头 / 面包屑 ============ */
.page-top{
  position:relative;padding:132px 0 64px;
  background:var(--brand);
  background-image:
    linear-gradient(45deg,rgba(245,243,236,.06) 25%,transparent 25%,transparent 50%,rgba(245,243,236,.06) 50%,rgba(245,243,236,.06) 75%,transparent 75%),
    linear-gradient(rgba(12,43,38,.72),rgba(12,43,38,.72)),
    url("/assets/images/backpic/back-1.png");
  background-size:24px 24px,cover,cover;
  background-position:0 0,center,center;
  overflow:hidden;
}
.page-top::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:rgba(198,242,76,.25);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--on-dark-muted);margin-bottom:22px}
.crumb a{color:var(--on-dark-muted)}
.crumb a:hover{color:var(--lime)}
.crumb .sep{opacity:.5}
.crumb .current{color:var(--lime);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.5;
}
.badge-cat{background:var(--brand-soft);color:var(--brand)}
.badge-cat-dark{background:rgba(198,242,76,.14);color:var(--lime)}
.badge-status{color:var(--on-dark-muted);background:transparent;padding-left:0}
.badge-status .dot{width:7px;height:7px;border-radius:50%;background:var(--orange);display:inline-block}
.page-top h1{
  color:var(--on-dark);font-size:clamp(34px,4.6vw,54px);font-weight:800;letter-spacing:-.01em;
  max-width:20ch;margin:16px 0 18px;
}
.entry-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  color:var(--on-dark-muted);font-size:13px;
}
.entry-meta .divider{width:1px;height:13px;background:rgba(245,243,236,.3)}

/* ============ 文章主体 ============ */
.main-wrap{padding:64px 0 96px}
.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;align-items:start}
.cover{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);
  background:#E3E0D6;margin-bottom:40px;
}
.article-shell{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);padding:48px;
}
.article-body{max-width:820px;line-height:1.9;font-size:17px}
.article-body p{margin:0 0 1em}
.article-body h2{
  position:relative;font-size:clamp(24px,3vw,32px);font-weight:700;
  margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:2px;background:var(--lime);
}
.article-body h3{font-size:21px;font-weight:600;margin:32px 0 12px}
.article-body blockquote{
  margin:24px 0;padding:24px;background:var(--bg);
  border-left:3px solid var(--brand);border-radius:0 var(--r-card) var(--r-card) 0;
  color:var(--muted);
}
.article-body ul{list-style:none;padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;
  background:var(--brand);border-radius:2px;
}
.article-body ol{padding-left:1.4em}
.article-body a{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--lime)}
.article-body img{margin:24px 0;border-radius:var(--r-img)}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px}
.article-body strong{background:var(--bg);padding:2px 6px;border-radius:6px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.article-body .table-scroll{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:var(--r-card)}
.article-body th,.article-body td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line)}
.article-body th{background:var(--bg);color:var(--brand);font-weight:700}
.article-body td:first-child,.article-body th:first-child{font-weight:700;color:var(--brand)}
.article-body tbody tr:nth-child(even){background:var(--bg)}

.empty-state{
  text-align:center;padding:56px 24px;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-art{
  width:160px;height:120px;border:1px dashed var(--line);border-radius:var(--r-card);
  display:grid;place-items:center;color:var(--disabled);background:var(--bg);
}
.empty-art svg{width:44px;height:44px;stroke:var(--disabled);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* 文末 */
.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  margin-top:48px;padding-top:28px;border-top:1px solid var(--line);
}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--bg);border:1px solid var(--line);color:var(--muted);font-size:13px;font-weight:600;
}
.tag:hover{border-color:var(--brand);color:var(--brand)}
.back-link{font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px}

/* 侧栏 */
.side{display:grid;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);padding:24px;
}
.side-title{font-size:15px;font-weight:700;color:var(--brand);margin-bottom:14px}
.side-list{display:grid;gap:2px}
.side-list a{
  display:block;padding:9px 0;font-size:14px;color:var(--muted);
  border-bottom:1px solid var(--line);
}
.side-list a:last-child{border-bottom:none}
.side-list a:hover{color:var(--brand);padding-left:4px}
.side-status{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:8px;
}
.side-status .dot{width:8px;height:8px;border-radius:50%;background:var(--orange)}
.side-note{font-size:13px;color:var(--muted);line-height:1.7;margin:0}

/* 相关推荐 */
.related{padding:80px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700}
.section-head .more{font-size:14px;font-weight:700}
.cards-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.mini-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);padding:24px;display:flex;flex-direction:column;gap:12px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#d6d2c4}
.mini-card h3{font-size:17px;font-weight:600;-webkit-line-clamp:2;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}
.mini-card:hover h3{color:var(--brand)}
.mini-card .time{font-size:13px;color:var(--muted);display:flex;align-items:center;justify-content:space-between}

/* FAQ */
.faq{padding:80px 0;background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.faq-inner{max-width:880px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:transparent;border:none;text-align:left;
  display:flex;align-items:center;justify-content:between;gap:16px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--brand);
}
.faq-q span.q-text{flex:1}
.faq-q .chev{
  width:26px;height:26px;border-radius:50%;border:1.5px solid var(--line);flex:0 0 auto;
  display:grid;place-items:center;transition:transform 240ms cubic-bezier(.2,.7,.3,1),background var(--ease);
}
.faq-q .chev svg{width:12px;height:12px;stroke:var(--brand);fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.faq-item.is-open .chev{transform:rotate(180deg);background:var(--lime);border-color:var(--lime)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height 240ms cubic-bezier(.2,.7,.3,1);
}
.faq-a p{font-size:15px;line-height:1.85;color:var(--muted);padding:0 42px 22px 0;margin:0}

/* 底部 CTA */
.cta-band{
  position:relative;background:var(--brand);color:var(--on-dark);overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(245,243,236,.06) 0 2px,transparent 2px 10px);
  pointer-events:none;
}
.cta-inner{
  position:relative;padding:80px 0;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{color:var(--on-dark);font-size:clamp(26px,3.2vw,38px);font-weight:700;max-width:22ch}
.cta-inner p{color:var(--on-dark-muted);font-size:15px;margin:12px 0 0}

/* 页脚 */
.site-footer{background:var(--brand);color:var(--on-dark-muted);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--on-dark);font-weight:700;font-size:17px;margin-bottom:16px}
.footer-brand:hover{color:var(--lime)}
.footer-about{font-size:14px;line-height:1.8;color:var(--on-dark-muted);max-width:34ch;margin:0}
.footer-title{font-size:14px;font-weight:700;color:var(--lime);margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--on-dark-muted)}
.footer-links a:hover{color:var(--on-dark)}
.footer-info{display:grid;gap:10px;font-size:14px}
.footer-info b{color:var(--on-dark);font-weight:600}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--on-dark-muted);
}

/* 移动端底部转化条 */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:65;
  display:none;align-items:center;gap:10px;padding:8px 16px;
  min-height:62px;background:rgba(255,255,255,.97);
  border-top:1px solid var(--line);box-shadow:0 -10px 30px -18px rgba(12,43,38,.5);
  transform:translateY(110%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);
}
.mobile-bar.is-visible{transform:translateY(0)}
.mobile-bar .btn{flex:1}
.mobile-bar .bar-close{
  width:32px;height:32px;flex:0 0 auto;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--muted);display:grid;place-items:center;
}
.mobile-bar .bar-close svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:2.4;stroke-linecap:round}
body.has-mobile-bar{padding-bottom:76px}

/* ============ 响应式 ============ */
@media (min-width:1200px){
  .layout{grid-template-columns:minmax(0,1fr) 280px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .article-shell{padding:32px}
  .cards-3{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-top{padding:120px 0 56px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .page-top{padding:104px 0 44px}
  .page-top h1{max-width:none}
  .main-wrap{padding:40px 0 64px}
  .article-shell{padding:24px 18px}
  .article-body{font-size:16px}
  .cards-3{grid-template-columns:1fr;gap:16px}
  .related,.faq{padding:56px 0}
  .cta-inner{padding:56px 0;flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:56px 0 24px}
}
@media (max-width:559px){
  .brand span.brand-text{font-size:15px}
  .article-body{font-size:15px}
  .faq-q{font-size:16px}
  .article-body h2{font-size:24px}
}

/* roulang page: category3 */
:root{
  --ink:#0C2B26;
  --ink-2:#143A33;
  --lime:#C6F24C;
  --orange:#FF6B3D;
  --sand:#F5F3EC;
  --card:#FFFFFF;
  --line:#E3E0D6;
  --text:#2A2F2C;
  --muted:#6B7370;
  --disabled:#A9AFA9;
  --on-dark:rgba(245,243,236,.72);
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,43,38,.06), 0 12px 32px -12px rgba(12,43,38,.18);
  --sh-2:0 18px 40px -16px rgba(12,43,38,.28);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:64px; --s9:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--sand);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-radius:var(--r-img);background:var(--line);}
a{color:var(--ink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;transition:color var(--ease);}
a:hover{color:var(--lime);}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
h1{font-size:clamp(34px,5vw,60px);line-height:1.15;font-weight:800;}
h2{font-size:clamp(26px,3.4vw,40px);line-height:1.25;font-weight:700;}
h3{font-size:21px;line-height:1.4;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;cursor:pointer;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (min-width:1280px){.container{max-width:1280px;}}

/* ---------- 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:1.5px solid transparent;font-size:15px;font-weight:600;letter-spacing:.01em;
  text-decoration:none;white-space:nowrap;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.btn-primary:hover{background:#B9E63F;color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:rgba(12,43,38,.06);color:var(--ink);}
.btn-light{background:var(--sand);color:var(--ink);border-color:var(--sand);}
.btn-light:hover{background:#FFFFFF;color:var(--ink);transform:translateY(-2px);}
.btn-outline-light{background:transparent;color:var(--sand);border-color:rgba(245,243,236,.55);}
.btn-outline-light:hover{background:rgba(245,243,236,.12);color:#fff;}
.btn-sm{height:32px;padding:0 16px;font-size:13px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;transform:none;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(12,43,38,.34);
  border-bottom:1px solid rgba(245,243,236,.16);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:background 240ms cubic-bezier(.2,.7,.3,1),box-shadow 240ms cubic-bezier(.2,.7,.3,1),border-color 240ms;
}
.site-header.is-scrolled{background:rgba(12,43,38,.97);box-shadow:0 10px 30px -14px rgba(0,0,0,.5);border-bottom-color:rgba(245,243,236,.1);}
.header-inner{display:flex;align-items:center;gap:var(--s5);height:72px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--lime);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:18px;height:18px;stroke:var(--ink);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{color:var(--sand);font-size:17px;font-weight:800;letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--on-dark);letter-spacing:.14em;}
.nav-links{display:flex;align-items:center;gap:var(--s5);margin-left:auto;}
.nav-link{
  position:relative;color:rgba(245,243,236,.84);text-decoration:none;
  font-size:15px;font-weight:500;padding:6px 2px;transition:color var(--ease);
}
.nav-link:hover{color:#fff;}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:#fff;font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid rgba(245,243,236,.28);background:transparent;
  display:flex;align-items:center;justify-content:center;transition:background var(--ease),border-color var(--ease);
}
.icon-btn svg{width:18px;height:18px;stroke:var(--sand);fill:none;stroke-width:1.9;stroke-linecap:round;}
.icon-btn:hover{background:rgba(245,243,236,.14);border-color:rgba(245,243,236,.5);}
.menu-btn{display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(245,243,236,.28);background:transparent;align-items:center;justify-content:center;}
.menu-btn span{display:block;width:18px;height:2px;background:var(--sand);border-radius:2px;position:relative;}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--sand);border-radius:2px;}
.menu-btn span::before{top:-6px;}
.menu-btn span::after{top:6px;}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(12,43,38,.55);opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:90;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:95;
  background:var(--ink);padding:var(--s5) var(--s5) var(--s6);
  transform:translateX(102%);transition:transform 260ms cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;gap:var(--s4);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-title{color:var(--sand);font-size:15px;font-weight:700;letter-spacing:.08em;}
.drawer-close{width:38px;height:38px;border-radius:50%;border:1px solid rgba(245,243,236,.3);background:transparent;color:var(--sand);font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center;}
.drawer-close:hover{background:rgba(245,243,236,.14);}
.drawer nav{display:flex;flex-direction:column;}
.drawer nav a{
  color:rgba(245,243,236,.86);text-decoration:none;font-size:16px;font-weight:500;
  height:48px;display:flex;align-items:center;border-bottom:1px solid rgba(245,243,236,.12);
}
.drawer nav a.is-active{color:var(--lime);font-weight:700;}
.drawer .btn{margin-top:var(--s3);width:100%;}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;padding:150px 0 72px;color:var(--sand);overflow:hidden;
  background:var(--ink);
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.5;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(12,43,38,.72),rgba(12,43,38,.92)),
    repeating-linear-gradient(45deg,rgba(245,243,236,.06) 0 2px,transparent 2px 10px);
}
.page-head .container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--on-dark);margin-bottom:var(--s5);}
.crumbs a{color:rgba(245,243,236,.8);text-decoration:none;}
.crumbs a:hover{color:var(--lime);}
.crumbs .sep{color:rgba(245,243,236,.4);}
.crumbs .current{color:var(--lime);font-weight:600;}
.page-head h1{color:var(--sand);max-width:20ch;}
.page-head .lead{margin-top:var(--s5);font-size:18px;color:rgba(245,243,236,.86);max-width:52ch;}
.page-head .rule{width:64px;height:3px;background:var(--lime);border-radius:3px;margin:var(--s5) 0 0;}

/* 要点横条 */
.fact-bar{
  margin-top:var(--s7);display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(245,243,236,.16);border:1px solid rgba(245,243,236,.16);border-radius:var(--r-card);overflow:hidden;
}
.fact-item{background:rgba(12,43,38,.72);padding:20px 22px;}
.fact-item b{display:block;font-size:26px;font-weight:800;color:var(--lime);letter-spacing:-.01em;}
.fact-item span{font-size:13px;color:var(--on-dark);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--sand{background:var(--sand);}
.section--white{background:#FFFFFF;}
.section-head{max-width:760px;margin-bottom:var(--s7);}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--ink);background:rgba(12,43,38,.08);
  padding:5px 12px;border-radius:var(--r-pill);margin-bottom:var(--s4);
}
.section-head p{color:var(--muted);margin-top:var(--s4);font-size:16px;}

/* ---------- 对比表 ---------- */
.table-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.table-scroll{overflow-x:auto;}
table.compare{width:100%;min-width:680px;border-collapse:collapse;text-align:left;}
table.compare caption{
  text-align:left;padding:22px 26px 0;font-size:13px;color:var(--muted);
}
table.compare th{
  background:var(--ink);color:var(--sand);font-size:14px;font-weight:700;
  letter-spacing:.04em;padding:0 26px;height:56px;white-space:nowrap;
}
table.compare td{
  padding:0 26px;height:56px;font-size:15px;color:var(--text);
  border-bottom:1px solid var(--line);
}
table.compare tbody tr:nth-child(odd){background:var(--sand);}
table.compare tbody tr:last-child td{border-bottom:none;}
table.compare td:first-child{font-weight:700;color:var(--ink);width:26%;}
table.compare td.warn{color:var(--muted);}
.table-note{margin-top:var(--s4);font-size:13px;color:var(--muted);}

/* ---------- 2×2 卡片矩阵 ---------- */
.matrix{
  display:grid;grid-template-columns:1.15fr .85fr;grid-template-rows:auto auto;
  gap:var(--s5);align-items:start;
}
.mcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.mcard:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.mcard h3{margin-bottom:var(--s3);}
.mcard p{color:var(--muted);font-size:15px;margin:0;}
.mcard .tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--ink);
  background:rgba(12,43,38,.08);padding:4px 10px;border-radius:var(--r-pill);margin-bottom:var(--s4);
}
.mcard--tall{padding-bottom:44px;}
.mcard--short{padding:24px 28px;}
.mcard--dark{background:var(--ink);border-color:var(--ink);color:var(--sand);}
.mcard--dark h3{color:var(--sand);}
.mcard--dark p{color:var(--on-dark);}
.mcard--dark .tag{background:var(--lime);color:var(--ink);}
.mcard--dark:hover{box-shadow:0 20px 44px -18px rgba(12,43,38,.55);}

/* ---------- 图文核对区 ---------- */
.check-split{display:grid;grid-template-columns:1fr 1fr;gap:var(--s7);align-items:center;}
.check-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.check-body h2{margin-bottom:var(--s4);}
.check-list{margin-top:var(--s5);display:flex;flex-direction:column;gap:var(--s4);}
.check-list li{display:flex;gap:14px;align-items:flex-start;}
.check-list .num{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  border:1.5px solid var(--ink);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
}
.check-list strong{display:block;color:var(--ink);font-size:16px;}
.check-list span{color:var(--muted);font-size:15px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:var(--s4);
  background:transparent;border:0;padding:22px 4px;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);
}
.faq-q .chev{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  transition:transform 240ms cubic-bezier(.2,.7,.3,1),background var(--ease),border-color var(--ease);
}
.faq-q .chev svg{width:13px;height:13px;stroke:var(--ink);fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;}
.faq-item.is-open .chev{transform:rotate(180deg);background:var(--lime);border-color:var(--lime);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms cubic-bezier(.2,.7,.3,1);}
.faq-a p{padding:0 60px 22px 4px;color:var(--muted);font-size:15px;line-height:1.85;margin:0;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;background:var(--ink);color:var(--sand);overflow:hidden;
  padding:80px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(45deg,rgba(245,243,236,.06) 0 2px,transparent 2px 12px);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:var(--s6);}
.cta-inner h2{color:var(--sand);max-width:24ch;}
.cta-inner p{color:var(--on-dark);margin-top:var(--s3);}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:var(--s6);}
.footer-brand{display:flex;align-items:center;gap:10px;text-decoration:none;margin-bottom:var(--s4);}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:10px;}
.footer-brand span:last-child{color:var(--sand);font-weight:800;font-size:16px;}
.footer-about{font-size:14px;color:var(--on-dark);max-width:34ch;line-height:1.75;margin:0;}
.footer-title{font-size:14px;font-weight:700;color:var(--lime);letter-spacing:.06em;margin-bottom:var(--s4);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--on-dark);text-decoration:none;}
.footer-links a:hover{color:var(--sand);}
.footer-info{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-info b{color:var(--sand);font-weight:600;}
.footer-bottom{
  margin-top:var(--s7);padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:var(--s4);flex-wrap:wrap;
  font-size:13px;color:rgba(245,243,236,.6);
}

/* ---------- 移动端固定条 ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:60px;background:#FFFFFF;border-top:1px solid var(--line);
  box-shadow:0 -8px 24px -14px rgba(12,43,38,.35);
  display:none;align-items:center;gap:10px;padding:0 14px;
  transform:translateY(110%);transition:transform 260ms cubic-bezier(.2,.7,.3,1);
}
.mobile-bar.is-visible{transform:translateY(0);}
.mobile-bar .btn{flex:1;}
.mobile-bar .bar-close{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  background:transparent;color:var(--muted);font-size:16px;line-height:1;flex:0 0 auto;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .header-actions .btn{display:none;}
  .menu-btn{display:flex;}
  .section{padding:72px 0;}
  .page-head{padding:130px 0 60px;}
  .fact-bar{grid-template-columns:repeat(2,1fr);}
  .matrix{grid-template-columns:1fr;}
  .check-split{grid-template-columns:1fr;gap:var(--s6);}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--s6);}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 16px;}
  .header-inner{height:60px;}
  .brand-text strong{font-size:15px;}
  .page-head{padding:112px 0 48px;}
  .page-head .lead{font-size:16px;}
  .section{padding:56px 0;padding-bottom:56px;}
  .mcard{padding:20px;}
  .faq-q{font-size:16px;padding:18px 2px;}
  .faq-a p{padding:0 12px 18px 2px;}
  .cta-band{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr;gap:var(--s5);}
  .footer-bottom{flex-direction:column;gap:6px;}
  .mobile-bar{display:flex;}
  body{padding-bottom:76px;}
}
@media (max-width:559px){
  .fact-item b{font-size:28px;}
  .fact-bar{grid-template-columns:1fr 1fr;}
  .btn-lg{height:48px;padding:0 22px;font-size:15px;}
  .matrix{gap:16px;}
}

/* roulang page: category2 */
:root{
  --ink:#0C2B26;
  --ink-soft:#143a33;
  --lime:#C6F24C;
  --orange:#FF6B3D;
  --sand:#F5F3EC;
  --card:#FFFFFF;
  --line:#E3E0D6;
  --text:#2A2F2C;
  --muted:#6B7370;
  --disabled:#A9AFA9;
  --on-dark:rgba(245,243,236,.72);
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,43,38,.06),0 12px 32px -12px rgba(12,43,38,.18);
  --sh-2:0 18px 40px -16px rgba(12,43,38,.28);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --s4:4px;--s8:8px;--s12:12px;--s16:16px;--s24:24px;--s32:32px;--s48:48px;--s64:64px;--s96:96px;--s120:120px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--sand);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;text-underline-offset:3px;}
a:hover{color:#5c7a12;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
@media (min-width:1280px){ .container{max-width:1280px;} }

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(12,43,38,.42);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(245,243,236,.16);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{
  background:rgba(12,43,38,.96);
  box-shadow:0 12px 32px -14px rgba(12,43,38,.55);
  border-bottom-color:rgba(245,243,236,.10);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--sand);
  font-weight:700;
  font-size:15.5px;
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--lime);}
.brand-mark{
  width:32px;height:32px;
  border-radius:10px;
  background:var(--lime);
  display:grid;place-items:center;
  flex:0 0 auto;
}
.brand-mark svg{width:18px;height:18px;stroke:var(--ink);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
}
.nav-link{
  position:relative;
  color:var(--on-dark);
  font-size:15px;
  padding:6px 0;
  transition:color var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--sand);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--sand);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;
  border-radius:var(--r-pill);
  border:1px solid rgba(245,243,236,.24);
  display:grid;place-items:center;
  color:var(--sand);
  transition:background var(--ease),border-color var(--ease);
}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;}
.icon-btn:hover{background:rgba(245,243,236,.12);border-color:rgba(245,243,236,.5);}
.menu-btn{display:none;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  transition:transform var(--ease),background var(--ease),color var(--ease),box-shadow var(--ease),filter var(--ease);
  white-space:nowrap;
}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-2px);color:var(--ink);box-shadow:0 12px 26px -12px rgba(198,242,76,.75);}
.btn-ghost{background:transparent;color:var(--sand);border:1.5px solid rgba(245,243,236,.55);}
.btn-ghost:hover{background:rgba(245,243,236,.12);color:var(--sand);}
.btn-outline{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-outline:hover{background:rgba(12,43,38,.06);color:var(--ink);transform:translateY(-2px);}
.btn-light{background:var(--sand);color:var(--ink);}
.btn-light:hover{transform:translateY(-2px);color:var(--ink);}
.btn[disabled]{opacity:.4;pointer-events:none;}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;z-index:90;
  background:rgba(12,43,38,.55);
  opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:95;
  width:min(320px,86vw);
  background:var(--ink);
  padding:20px 20px 32px;
  transform:translateX(105%);
  transition:transform 240ms cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;gap:8px;
  box-shadow:-20px 0 50px -20px rgba(0,0,0,.5);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-brand{color:var(--sand);font-weight:700;font-size:15px;}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid rgba(245,243,236,.25);
  color:var(--sand);display:grid;place-items:center;font-size:18px;
}
.drawer a.drawer-link{
  display:flex;align-items:center;
  height:48px;padding:0 14px;
  border-radius:var(--r-input);
  color:var(--on-dark);font-size:15px;
  transition:background var(--ease),color var(--ease);
}
.drawer a.drawer-link:hover{background:rgba(245,243,236,.08);color:var(--sand);}
.drawer a.drawer-link.is-active{background:rgba(198,242,76,.14);color:var(--lime);font-weight:600;}
.drawer-cta{margin-top:16px;}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  background-image:
    linear-gradient(100deg,rgba(12,43,38,.94) 0%,rgba(12,43,38,.82) 52%,rgba(12,43,38,.68) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:var(--sand);
  padding:88px 0 72px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(245,243,236,.06) 0 2px,transparent 2px 9px);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--on-dark);margin-bottom:22px;
}
.crumb a{color:var(--on-dark);}
.crumb a:hover{color:var(--lime);}
.crumb .sep{opacity:.5;}
.crumb .cur{color:var(--lime);}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.01em;
  max-width:19em;
}
.page-hero h1 .accent{color:var(--lime);}
.hero-sub{
  margin-top:18px;
  font-size:17px;
  color:var(--on-dark);
  max-width:44em;
}
.hero-facts{
  margin-top:38px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:rgba(245,243,236,.18);
  border:1px solid rgba(245,243,236,.18);
  border-radius:var(--r-card);
  overflow:hidden;
}
.hero-fact{
  background:rgba(12,43,38,.55);
  padding:18px 20px;
}
.hero-fact .k{
  display:block;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--on-dark);
  margin-bottom:6px;
}
.hero-fact .v{
  font-size:20px;
  color:var(--lime);
}
.hero-fact .v span{font-size:13px;color:var(--on-dark);font-weight:500;margin-left:4px;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-alt{background:var(--card);}
.section-sand{background:var(--sand);}
.section-dark{background:var(--ink);color:var(--sand);}
.sec-head{max-width:760px;margin-bottom:48px;}
.sec-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.1em;
  color:var(--ink);
  background:rgba(12,43,38,.08);
  padding:5px 12px;border-radius:var(--r-pill);
  margin-bottom:16px;
}
.sec-label .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);}
.section-dark .sec-label{background:rgba(198,242,76,.14);color:var(--lime);}
.sec-head h2{
  font-size:clamp(24px,3.2vw,38px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
}
.section-dark .sec-head h2{color:var(--sand);}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.section-dark .sec-head p{color:var(--on-dark);}
.rule{
  height:1px;border:0;margin:0;
  background:linear-gradient(90deg,rgba(198,242,76,.24),rgba(198,242,76,.24) 40%,transparent 100%);
}

/* ============ 时间线 ============ */
.timeline-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:56px;
  align-items:start;
}
.timeline{position:relative;}
.tl-item{
  position:relative;
  padding-left:66px;
  padding-bottom:44px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:19px;
  top:44px;
  bottom:6px;
  width:2px;
  background:linear-gradient(180deg,rgba(12,43,38,.22),rgba(12,43,38,.06));
}
.tl-item:last-child::before{display:none;}
.tl-dot{
  position:absolute;
  left:0;top:0;
  width:40px;height:40px;
  border-radius:var(--r-pill);
  background:var(--ink);
  color:var(--lime);
  display:grid;place-items:center;
  font-size:14px;
  font-variant-numeric:tabular-nums;
  box-shadow:0 10px 24px -12px rgba(12,43,38,.6);
}
.tl-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 26px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(12,43,38,.16);}
.tl-card h3{
  font-size:20px;font-weight:600;color:var(--ink);
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
}
.tl-card h3 .tag{
  font-size:12px;font-weight:600;
  background:rgba(12,43,38,.08);
  color:var(--ink);
  padding:4px 10px;border-radius:var(--r-pill);
}
.tl-card p{margin-top:10px;color:var(--muted);font-size:15.5px;line-height:1.8;}
.tl-meta{
  margin-top:14px;
  display:flex;flex-wrap:wrap;gap:8px 18px;
  font-size:13px;color:var(--muted);
  border-top:1px solid var(--line);
  padding-top:14px;
}
.tl-meta b{color:var(--ink);font-variant-numeric:tabular-nums;}

/* 侧栏卡 */
.aside-card{
  background:var(--ink);
  color:var(--sand);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-1);
  position:sticky;
  top:96px;
}
.aside-card h3{font-size:18px;color:var(--sand);margin-bottom:14px;}
.aside-card p{font-size:14.5px;color:var(--on-dark);}
.status-row{
  display:flex;align-items:center;gap:10px;
  margin-top:20px;padding-top:18px;
  border-top:1px solid rgba(245,243,236,.14);
  font-size:14px;color:var(--on-dark);
}
.status-dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--orange);
  box-shadow:0 0 0 4px rgba(255,107,61,.18);
  flex:0 0 auto;
}
.aside-list{margin-top:18px;display:grid;gap:10px;}
.aside-list li{
  display:flex;gap:10px;
  font-size:14.5px;color:var(--on-dark);
}
.aside-list li::before{
  content:"";
  width:7px;height:7px;
  margin-top:9px;flex:0 0 auto;
  background:var(--lime);
  border-radius:2px;
}
.aside-card .btn{margin-top:22px;width:100%;}

/* ============ 准备清单（图文） ============ */
.prep-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.prep-figure{
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--line);
  box-shadow:var(--sh-1);
  aspect-ratio:3/2;
}
.prep-figure img{width:100%;height:100%;object-fit:cover;}
.prep-list{display:grid;gap:20px;margin-top:6px;}
.prep-item{
  display:grid;
  grid-template-columns:44px minmax(0,1fr);
  gap:16px;
  padding:20px 22px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.prep-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.prep-item .idx{
  font-size:18px;color:#7ea019;
  font-variant-numeric:tabular-nums;
}
.prep-item h3{font-size:17.5px;color:var(--ink);font-weight:600;}
.prep-item p{font-size:14.8px;color:var(--muted);margin-top:6px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 0;
  text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);
  transition:color var(--ease);
}
.faq-q:hover{color:#5c7a12;}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  border:1.5px solid rgba(12,43,38,.3);
  display:grid;place-items:center;
  transition:transform 240ms cubic-bezier(.2,.7,.3,1),background var(--ease),border-color var(--ease);
}
.faq-icon svg{width:13px;height:13px;stroke:var(--ink);fill:none;stroke-width:2.4;stroke-linecap:round;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--lime);border-color:var(--lime);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 240ms cubic-bezier(.2,.7,.3,1);
}
.faq-a p{
  padding:0 0 26px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
  max-width:62em;
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  background:var(--ink);
  color:var(--sand);
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(245,243,236,.06) 0 2px,transparent 2px 10px);
}
.cta-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:40px;
  padding:80px 0;
}
.cta-inner h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.01em;
}
.cta-inner p{margin-top:14px;color:var(--on-dark);font-size:16px;max-width:40em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:var(--on-dark);
  padding:72px 0 28px;
  border-top:1px solid rgba(245,243,236,.10);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--sand);font-weight:700;font-size:15.5px;
}
.footer-brand:hover{color:var(--lime);}
.footer-about{margin-top:16px;font-size:14.5px;line-height:1.75;max-width:30em;}
.footer-title{
  font-size:14px;font-weight:600;
  color:var(--lime);
  margin-bottom:18px;
}
.footer-links{display:grid;gap:12px;}
.footer-links a{font-size:14px;color:var(--on-dark);transition:color var(--ease);}
.footer-links a:hover{color:var(--sand);}
.footer-info{display:grid;gap:12px;font-size:14px;}
.footer-info b{color:var(--sand);font-weight:600;}
.footer-bottom{
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid rgba(245,243,236,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;
}

/* ============ 移动端底部条 ============ */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:none;
  align-items:center;gap:12px;
  height:62px;padding:0 16px;
  background:var(--card);
  border-top:1px solid var(--line);
  box-shadow:0 -12px 32px -18px rgba(12,43,38,.4);
  transform:translateY(110%);
  transition:transform 240ms cubic-bezier(.2,.7,.3,1);
}
.mobile-bar.is-visible{transform:translateY(0);}
.mobile-bar .bar-close{
  width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;
  color:var(--muted);border:1px solid var(--line);flex:0 0 auto;font-size:15px;
}
.mobile-bar .btn{flex:1;}
body{padding-bottom:0;}
@media (max-width:767px){
  body{padding-bottom:78px;}
}

/* ============ 响应式 ============ */
@media (max-width:1120px){
  .timeline-layout{grid-template-columns:minmax(0,1fr);gap:40px;}
  .aside-card{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .menu-btn{display:grid;place-items:center;width:40px;height:40px;border-radius:var(--r-pill);border:1px solid rgba(245,243,236,.24);color:var(--sand);}
  .menu-btn svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;}
  .section{padding:72px 0;}
  .page-hero{padding:64px 0 56px;}
  .hero-facts{grid-template-columns:1fr 1fr;}
  .prep-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .prep-figure{order:-1;}
  .cta-inner{grid-template-columns:minmax(0,1fr);padding:64px 0;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  body{font-size:15.5px;}
  .section{padding:56px 0;}
  .sec-head{margin-bottom:32px;}
  .tl-item{padding-left:56px;padding-bottom:34px;}
  .tl-dot{width:34px;height:34px;font-size:13px;}
  .tl-item::before{left:16px;top:38px;}
  .tl-card{padding:20px 18px;}
  .prep-item{padding:18px;grid-template-columns:36px minmax(0,1fr);gap:12px;}
  .faq-q{font-size:16px;padding:20px 0;}
  .mobile-bar{display:flex;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;}
  .brand{font-size:13.5px;}
  .brand-mark{width:28px;height:28px;border-radius:9px;}
}
@media (max-width:520px){
  .hero-facts{grid-template-columns:1fr;}
  .page-hero h1{font-size:clamp(28px,8vw,34px);}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}