/* roulang page: index */
:root{
  --ink:#123B3A;
  --ink-2:#1E6B62;
  --amber:#E9762F;
  --amber-soft:#FBE7D8;
  --celadon:#A8C9BF;
  --paper:#F7F4EE;
  --card:#FDFCF9;
  --dark:#0B1E1C;
  --t1:#16211F;
  --t2:#4E5B58;
  --t3:#8A9491;
  --line:#E2DCD0;
  --ok:#2F7D5B;
  --warn:#C4552B;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(18,59,58,.06),0 10px 28px rgba(18,59,58,.07);
  --sh-2:0 18px 44px rgba(18,59,58,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --grad-ink:linear-gradient(120deg,#123B3A 0%,#1E6B62 58%,#3E8C7F 100%);
  --grad-amber:linear-gradient(100deg,#E9762F,#F2A05C);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:132px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
h1{font-size:clamp(28px,4vw,44px);line-height:1.18;font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:650;letter-spacing:-.005em}
h3{font-size:19px;line-height:1.45;font-weight:600}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-alt{background:linear-gradient(180deg,rgba(168,201,191,.14),rgba(247,244,238,0))}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{position:relative;padding-left:18px}
.section-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--ink-2)}
.section-head p{margin-top:14px;color:var(--t2);font-size:15px;line-height:1.8}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px}
.section-head-row .section-head{margin-bottom:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background-color 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),filter 220ms var(--ease);
  min-height:44px;
}
.btn-primary{background:var(--grad-amber);color:#fff;box-shadow:0 6px 18px rgba(233,118,47,.26)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(233,118,47,.3)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:var(--card);border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:rgba(18,59,58,.06);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px;min-height:40px}
.btn-block{width:100%}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);position:relative;padding-bottom:2px}
.link-more::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--ink);transition:width 220ms var(--ease)}
.link-more:hover::after{width:100%}

/* ---------- badges / tags ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em}
.badge-amber{background:var(--amber-soft);color:#B4531A}
.badge-soft{background:rgba(168,201,191,.28);color:var(--ink);border:1px solid rgba(18,59,58,.12)}
.badge-line{border:1px solid var(--line);color:var(--t2);background:var(--card)}
.hot-tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--t2);white-space:nowrap;transition:color 200ms var(--ease)}
.hot-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber)}
.hot-tag:hover{color:var(--ink)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,244,238,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow 220ms var(--ease),background-color 220ms var(--ease)}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(18,59,58,.1);background:rgba(253,252,249,.96)}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px;transition:height 220ms var(--ease)}
.site-header.is-scrolled .header-top{height:60px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:44px;height:44px;flex:0 0 auto;border-radius:14px;
  background:var(--grad-ink);color:#fff;font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;letter-spacing:.04em;
  box-shadow:0 6px 16px rgba(18,59,58,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-name{font-size:14px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-sub{font-size:11px;color:var(--t3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;color:var(--ink);border:1px solid var(--line);background:var(--card);
  transition:background-color 200ms var(--ease),border-color 200ms var(--ease),transform 200ms var(--ease);
}
.icon-btn:hover{background:rgba(18,59,58,.06);border-color:rgba(18,59,58,.24)}
.menu-btn{display:none}
.header-nav{border-top:1px solid rgba(226,220,208,.7)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:52px}
.nav-channels{display:flex;align-items:center;gap:6px;min-width:0}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:36px;padding:0 14px;
  border-radius:10px;font-size:14px;font-weight:600;color:var(--t2);white-space:nowrap;
  transition:color 200ms var(--ease),background-color 200ms var(--ease);
}
.nav-link:hover{color:var(--ink);background:rgba(18,59,58,.06)}
.nav-link.is-active{color:var(--ink);background:rgba(18,59,58,.12)}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--amber)}
.hot-row{display:flex;align-items:center;gap:18px;overflow-x:auto;scrollbar-width:none}
.hot-row::-webkit-scrollbar{display:none}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:120;display:none;background:rgba(11,30,28,.5);backdrop-filter:blur(2px)}
.drawer.is-open{display:block}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(360px,88vw);
  background:var(--card);padding:20px;overflow-y:auto;
  box-shadow:-16px 0 40px rgba(11,30,28,.24);
  animation:drawerIn 260ms var(--ease);
}
@keyframes drawerIn{from{transform:translateX(24px);opacity:.4}to{transform:translateX(0);opacity:1}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-search{display:flex;gap:8px;margin:18px 0}
.drawer-search input{flex:1;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--paper)}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{display:flex;align-items:center;min-height:44px;padding:0 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--t2)}
.drawer-nav a:hover,.drawer-nav a.is-active{background:rgba(18,59,58,.08);color:var(--ink)}
.drawer-hot{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}

/* ---------- hero ---------- */
.hero{position:relative;padding:64px 0 72px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(680px 340px at 88% -10%,rgba(168,201,191,.34),transparent 70%),
    linear-gradient(180deg,rgba(168,201,191,.1),rgba(247,244,238,0) 60%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--amber);margin-bottom:20px}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--amber);border-radius:2px}
.hero h1{max-width:16em}
.hero-lead{margin-top:20px;font-size:16px;line-height:1.85;color:var(--t2);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px}
.stat{
  display:flex;align-items:baseline;gap:8px;padding:10px 18px;border-radius:var(--r-pill);
  background:rgba(168,201,191,.26);border:1px solid rgba(18,59,58,.14);
}
.stat-num{font-size:24px;font-weight:700;color:var(--ink);line-height:1;font-variant-numeric:tabular-nums}
.stat-label{font-size:12px;color:var(--t2)}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);aspect-ratio:6/5;background:var(--celadon)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(18,59,58,.42),rgba(18,59,58,.06) 62%,transparent)}
.hero-media-cap{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:2;
  background:rgba(253,252,249,.92);border:1px solid rgba(226,220,208,.9);
  border-radius:var(--r-md);padding:14px 16px;box-shadow:0 8px 24px rgba(11,30,28,.16);
}
.hero-media-cap strong{display:block;font-size:14px;color:var(--ink)}
.hero-media-cap span{font-size:12px;color:var(--t2)}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--celadon);border-radius:2px}
.timeline-item{position:relative;padding-bottom:26px}
.timeline-item:last-child{padding-bottom:0}
.timeline-dot{
  position:absolute;left:-34px;top:24px;width:10px;height:10px;border-radius:50%;
  background:var(--amber);box-shadow:0 0 0 4px rgba(233,118,47,.18);
}
.timeline-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.timeline-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(18,59,58,.2)}
.step-tag{display:inline-flex;font-size:13px;font-weight:600;color:var(--ink-2);font-variant-numeric:tabular-nums;letter-spacing:.04em;margin-bottom:8px}
.timeline-card h3{margin-bottom:8px}
.timeline-card p{font-size:15px;line-height:1.8;color:var(--t2)}
.timeline-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.timeline-meta span{
  font-size:12px;color:var(--t2);padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(168,201,191,.22);border:1px solid rgba(18,59,58,.1);
  font-variant-numeric:tabular-nums;
}

/* ---------- mosaic ---------- */
.mosaic{display:grid;grid-template-columns:1.1fr .9fr;grid-auto-rows:minmax(170px,auto);gap:24px}
.mosaic-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:12px;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.mosaic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,59,58,.18)}
.mosaic-card h3{font-size:18px}
.mosaic-card p{font-size:14.5px;line-height:1.8;color:var(--t2)}
.mosaic-wide{grid-column:1/-1;flex-direction:row;align-items:center;gap:28px;background:linear-gradient(120deg,rgba(168,201,191,.2),rgba(253,252,249,1) 60%)}
.mosaic-wide .mosaic-body{flex:1}
.mosaic-wide h3{font-size:22px}
.mosaic-tall{grid-row:span 2;justify-content:space-between;background:var(--grad-ink);border-color:transparent;color:#fff}
.mosaic-tall h3,.mosaic-tall p{color:#fff}
.mosaic-tall p{color:rgba(255,255,255,.78)}
.mosaic-icon{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(168,201,191,.3);color:var(--ink);
}
.mosaic-tall .mosaic-icon{background:rgba(255,255,255,.14);color:#fff}
.mosaic-list{display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:rgba(255,255,255,.82)}
.mosaic-list li{display:flex;align-items:center;gap:8px}
.mosaic-list li::before{content:"";width:5px;height:5px;border-radius:2px;background:var(--celadon)}

/* ---------- news ---------- */
.news-feature{
  display:grid;grid-template-columns:1.05fr 1fr;gap:0;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,59,58,.18)}
.news-feature-media{aspect-ratio:16/10;overflow:hidden;background:var(--celadon)}
.news-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.news-feature:hover .news-feature-media img{transform:scale(1.03)}
.news-feature-body{padding:30px 32px;display:flex;flex-direction:column;gap:14px;justify-content:center}
.news-feature-body h3{font-size:21px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature-body p{font-size:14.5px;line-height:1.8;color:var(--t2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:12.5px;color:var(--t3);font-variant-numeric:tabular-nums}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--sh-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,59,58,.18)}
.news-card h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:14px;line-height:1.75;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--card);
  padding:64px 24px;text-align:center;color:var(--t2);font-size:15px;
}
.empty-state span{display:block;font-size:32px;color:var(--celadon);margin-bottom:12px}

/* ---------- plans ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 28px;display:flex;flex-direction:column;gap:18px;box-shadow:var(--sh-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.plan-name{font-size:17px;font-weight:600}
.plan-price{display:flex;align-items:baseline;gap:8px}
.plan-price strong{font-size:34px;font-weight:700;color:var(--ink);line-height:1;font-variant-numeric:tabular-nums}
.plan-price span{font-size:13px;color:var(--t3)}
.plan-note{font-size:13px;color:var(--t2);padding-bottom:16px;border-bottom:1px solid var(--line)}
.plan-list{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--t2);flex:1;min-height:196px}
.plan-list li{display:flex;gap:10px;align-items:flex-start;line-height:1.65}
.plan-list li::before{
  content:"";flex:0 0 auto;width:16px;height:16px;margin-top:3px;border-radius:50%;
  background:rgba(47,125,91,.12);
  background-image:linear-gradient(45deg,transparent 45%,var(--ok) 45%,var(--ok) 55%,transparent 55%),
                   linear-gradient(-45deg,transparent 45%,var(--ok) 45%,var(--ok) 55%,transparent 55%);
  background-size:8px 8px,8px 8px;background-position:4px 5px,4px 5px;background-repeat:no-repeat;
}
.plan.is-featured{background:var(--grad-ink);border-color:transparent;color:#fff;transform:translateY(-8px);box-shadow:0 24px 56px rgba(18,59,58,.24)}
.plan.is-featured:hover{transform:translateY(-12px)}
.plan.is-featured .plan-name,.plan.is-featured .plan-price strong{color:#fff}
.plan.is-featured .plan-price span,.plan.is-featured .plan-note,.plan.is-featured .plan-list{color:rgba(255,255,255,.82)}
.plan.is-featured .plan-note{border-bottom-color:rgba(255,255,255,.16)}
.plan.is-featured .plan-list li::before{background-color:rgba(255,255,255,.16);background-image:linear-gradient(45deg,transparent 45%,#fff 45%,#fff 55%,transparent 55%),linear-gradient(-45deg,transparent 45%,#fff 45%,#fff 55%,transparent 55%)}
.plan-foot-note{margin-top:22px;font-size:12.5px;color:var(--t3);line-height:1.7}

/* ---------- cta band ---------- */
.cta-band{position:relative;background:var(--dark);color:#fff;padding:88px 0;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;right:-160px;top:-240px;width:720px;height:720px;border-radius:50%;
  background:radial-gradient(circle,rgba(168,201,191,.18),transparent 66%);pointer-events:none;
}
.cta-grid{position:relative;display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.cta-copy h2{color:#fff;padding-left:18px;position:relative}
.cta-copy h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--amber)}
.cta-copy p{margin-top:18px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.76)}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-top:26px}
.cta-points li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.82)}
.cta-points li::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;border-radius:50%;background:var(--amber)}
.form-card{background:var(--card);color:var(--t1);border-radius:var(--r-lg);padding:30px;box-shadow:0 28px 64px rgba(0,0,0,.28)}
.form-card h3{font-size:18px;margin-bottom:6px}
.form-card .form-hint{font-size:13px;color:var(--t3);margin-bottom:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:600;color:var(--t1)}
.field label .req{color:var(--amber);margin-left:2px}
.field input,.field select,.field textarea{
  height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--paper);font-size:14px;outline:none;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease),background-color 200ms var(--ease);
}
.field textarea{height:auto;min-height:88px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--amber);box-shadow:0 0 0 3px rgba(233,118,47,.18);background:var(--card);
}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--t2);line-height:1.7}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--ink);flex:0 0 auto}
.form-success{display:none;text-align:center;padding:36px 12px}
.form-success.is-on{display:block}
.form-success .tick{
  width:56px;height:56px;border-radius:50%;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;
  background:rgba(47,125,91,.12);color:var(--ok);font-size:26px;
}
.form-success h3{margin-bottom:8px}
.form-success p{font-size:14px;color:var(--t2);margin-bottom:20px}

/* ---------- faq ---------- */
.faq-list{max-width:860px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:14px 0;text-align:left;font-size:16px;font-weight:600;color:var(--t1);
  transition:color 200ms var(--ease);
}
.faq-q:hover{color:var(--ink-2)}
.faq-q .sign{
  flex:0 0 auto;width:22px;height:22px;position:relative;color:var(--ink-2);
  transition:transform 200ms var(--ease);
}
.faq-q .sign::before,.faq-q .sign::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-q .sign::before{left:50%;top:3px;bottom:3px;width:1.75px;transform:translateX(-50%)}
.faq-q .sign::after{top:50%;left:3px;right:3px;height:1.75px;transform:translateY(-50%)}
.faq-item.is-open .faq-q .sign{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms var(--ease)}
.faq-a p{font-size:14.5px;line-height:1.85;color:var(--t2);max-width:68ch;padding-bottom:20px}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:64px 0 0}
.footer-top{border-top:1px solid rgba(255,255,255,.12);padding-top:48px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;flex-direction:column;gap:14px}
.footer-brand .brand-mark{background:linear-gradient(120deg,#1E6B62,#3E8C7F)}
.footer-brand .brand-name{color:#fff;font-size:14px}
.footer-brand p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.62);max-width:30em}
.footer-col h4{font-size:13px;color:#fff;font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.footer-col a{display:block;font-size:13px;line-height:1.9;color:rgba(255,255,255,.7);padding:3px 0;transition:color 200ms var(--ease)}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact li{font-size:13px;line-height:1.9;color:rgba(255,255,255,.7)}
.qr-box{width:96px;height:96px;border:1px solid rgba(255,255,255,.18);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:11px;color:rgba(255,255,255,.5);margin-top:14px;text-align:center;padding:8px;line-height:1.5}
.footer-bottom{margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.5)}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  html{scroll-padding-top:88px}
  .header-nav{display:none}
  .menu-btn{display:inline-flex}
  .section{padding:72px 0}
  .hero{padding:44px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{aspect-ratio:16/10}
  .mosaic{grid-template-columns:1fr}
  .mosaic-wide{grid-column:auto;flex-direction:column;align-items:flex-start}
  .mosaic-tall{grid-row:auto}
  .news-feature{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .plans{grid-template-columns:1fr;gap:20px}
  .plan.is-featured{transform:none;order:-1}
  .plan.is-featured:hover{transform:translateY(-4px)}
  .plan-list{min-height:0}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .cta-band{padding:64px 0}
  .brand-sub{display:none}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:10px}
  .stat{padding:8px 14px}
  .stat-num{font-size:20px}
  .timeline{padding-left:26px}
  .timeline::before{left:4px}
  .timeline-dot{left:-26px}
  .timeline-card{padding:20px}
  .news-grid{grid-template-columns:1fr}
  .news-card{padding:18px;border-left:3px solid var(--celadon)}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:22px}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* roulang page: article */
:root{
  --ink:#123B3A;
  --ink-2:#1E6B62;
  --amber:#E9762F;
  --amber-soft:#FBE7D8;
  --celadon:#A8C9BF;
  --paper:#F7F4EE;
  --card:#FDFCF9;
  --dark:#0B1E1C;
  --t1:#16211F;
  --t2:#4E5B58;
  --t3:#8A9491;
  --line:#E2DCD0;
  --ok:#2F7D5B;
  --warn:#C4552B;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(18,59,58,.06),0 10px 28px rgba(18,59,58,.07);
  --shadow-2:0 18px 44px rgba(18,59,58,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px}
::selection{background:var(--amber-soft);color:var(--ink)}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.nums{font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(253,252,249,.94);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease),background .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(18,59,58,.08)}
.header-brand-row{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:68px;transition:height .22s var(--ease);
}
.site-header.is-scrolled .header-brand-row{height:60px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  flex:none;width:42px;height:42px;border-radius:13px;
  background:linear-gradient(120deg,#123B3A 0%,#1E6B62 58%,#3E8C7F 100%);
  color:#F7F4EE;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;letter-spacing:.04em;
}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-name{
  font-size:14px;font-weight:600;color:var(--ink);line-height:1.25;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.brand-sub{font-size:11px;color:var(--t3);line-height:1.5;letter-spacing:.02em}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-sm);background:var(--card);
  color:var(--ink);cursor:pointer;transition:all .22s var(--ease);
}
.icon-btn:hover{background:rgba(18,59,58,.06);border-color:var(--celadon)}
.icon-btn svg{width:18px;height:18px}
.menu-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-sm);background:var(--card);
  cursor:pointer;color:var(--ink);
}
.menu-toggle svg{width:20px;height:20px}

.header-channel-row{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:46px;border-top:1px solid var(--line);
}
.nav-channels{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.nav-channels::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:34px;padding:0 14px;
  font-size:14px;color:var(--t2);border-radius:10px;white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--ink);background:rgba(18,59,58,.06)}
.nav-link.is-active{color:var(--ink);font-weight:600;background:rgba(18,59,58,.12)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;
  height:2px;background:var(--amber);border-radius:2px;
}
.hot-words{display:flex;align-items:center;gap:16px;font-size:13px;white-space:nowrap;flex:none}
.hot-words a{display:inline-flex;align-items:center;gap:6px;color:var(--t2);transition:color .2s var(--ease)}
.hot-words a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);flex:none}
.hot-words a:hover{color:var(--ink)}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;background:var(--paper);
  display:none;flex-direction:column;padding:20px 20px 32px;overflow-y:auto;
}
.drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-title{font-size:14px;font-weight:600;color:var(--ink)}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--card);cursor:pointer;color:var(--ink);font-size:18px;line-height:1;
}
.drawer-search{display:flex;gap:10px;margin:20px 0 6px}
.drawer-search input{
  flex:1;height:46px;padding:0 16px;border:1px solid var(--line);
  border-radius:var(--r-md);background:var(--card);font-size:14px;
}
.drawer-search input:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(233,118,47,.18)}
.drawer-search button{
  height:46px;padding:0 20px;border:none;border-radius:var(--r-md);
  background:linear-gradient(100deg,#E9762F,#F2A05C);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-top:16px}
.drawer-nav a{padding:14px 6px;font-size:16px;color:var(--t1);border-bottom:1px solid var(--line)}
.drawer-nav a:active{color:var(--ink-2)}
.drawer-hot{margin-top:22px}
.drawer-hot h4{font-size:12px;letter-spacing:.12em;color:var(--t3);margin-bottom:12px}
.drawer-hot .tags{display:flex;flex-wrap:wrap;gap:8px}
.drawer-hot .tags a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--amber-soft);color:#B85A22;
  font-size:13px;font-weight:600;
}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .22s var(--ease);min-height:44px;
}
.btn-amber{
  background:linear-gradient(100deg,#E9762F,#F2A05C);
  color:#fff;box-shadow:0 8px 20px rgba(233,118,47,.24);
}
.btn-amber:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 28px rgba(233,118,47,.3)}
.btn-amber:active{transform:scale(.98)}
.btn-ghost{background:var(--card);border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:rgba(18,59,58,.06);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{height:38px;padding:0 16px;font-size:13px;border-radius:10px}
.btn-block{width:100%}

.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--amber-soft);color:#B85A22;
}
.badge-line{
  background:rgba(168,201,191,.28);color:var(--ink);
  border:1px solid var(--celadon);
}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;
  border-radius:var(--r-pill);background:rgba(18,59,58,.06);color:var(--t2);
  font-size:13px;transition:all .2s var(--ease);
}
.chip:hover{background:rgba(18,59,58,.12);color:var(--ink)}
.chip.active{background:var(--ink);color:#fff}

/* ============ 面包屑 ============ */
.crumb-bar{padding:22px 0 0}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--t3);
}
.crumb a{color:var(--t3);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--ink-2)}
.crumb .sep{color:var(--celadon)}
.crumb .current{
  color:var(--t2);max-width:min(520px,70vw);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ============ 文章头 ============ */
.article-head{padding:26px 0 0}
.article-head-inner{max-width:940px}
.article-head h1{
  font-size:clamp(26px,3.6vw,42px);
  line-height:1.24;font-weight:700;letter-spacing:-.01em;
  color:var(--ink);margin-top:16px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 22px;
  margin-top:20px;padding-bottom:22px;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--t3);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-meta .meta-item svg{width:15px;height:15px;color:var(--celadon)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--celadon)}
.share-btn{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;
  height:34px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--card);color:var(--t2);font-size:13px;cursor:pointer;
  transition:all .2s var(--ease);
}
.share-btn:hover{border-color:var(--celadon);color:var(--ink);background:rgba(168,201,191,.16)}

.cover-figure{
  margin-top:28px;border-radius:20px;overflow:hidden;
  background:linear-gradient(120deg,#123B3A,#1E6B62);
  box-shadow:var(--shadow-1);
}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ============ 正文布局 ============ */
.article-main{padding:52px 0 0}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:56px;align-items:start;
}
.article-body{
  font-size:16.5px;line-height:1.9;color:var(--t1);max-width:760px;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:clamp(20px,2.2vw,26px);font-weight:650;line-height:1.4;
  color:var(--ink);margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:20px;
  background:var(--amber);border-radius:2px;
}
.article-body h3{
  font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);
  margin:28px 0 12px;
}
.article-body h4{font-size:16px;font-weight:600;color:var(--ink);margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.2em}
.article-body ul li{position:relative;padding-left:18px;margin-bottom:9px}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;
  background:var(--celadon);border-radius:1px;
}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:9px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.18em;
  width:20px;height:20px;border-radius:6px;background:rgba(18,59,58,.08);
  color:var(--ink);font-size:12px;font-weight:600;line-height:20px;
  text-align:center;font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;color:var(--t2);font-size:15.5px;
  background:rgba(168,201,191,.18);border-left:3px solid var(--ink-2);
  border-radius:0 12px 12px 0;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:22px 0;box-shadow:var(--shadow-1)}
.article-body figure{margin:22px 0}
.article-body figcaption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--t3);
}
.article-body a{
  color:var(--ink-2);border-bottom:1px solid rgba(30,107,98,.45);
  transition:border-color .2s var(--ease);
}
.article-body a:hover{border-bottom-color:var(--ink-2);border-bottom-width:2px}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;
  border-top:2px solid var(--celadon);
}
.article-body th{
  background:rgba(168,201,191,.16);font-size:13px;font-weight:600;
  text-align:left;color:var(--ink);
}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line)}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0}

.empty-state{
  padding:64px 24px;text-align:center;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(168,201,191,.22);color:var(--ink);
}
.empty-state h2{font-size:20px;font-weight:600;color:var(--ink);margin-bottom:10px}
.empty-state p{color:var(--t2);font-size:14.5px;margin-bottom:22px}

/* ============ 侧栏 ============ */
.aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-1);
}
.side-card h3{
  font-size:14px;font-weight:600;color:var(--ink);letter-spacing:.02em;
  padding-bottom:12px;margin-bottom:14px;border-bottom:1px solid var(--line);
}
.step-list{display:flex;flex-direction:column;gap:14px}
.step-list li{display:flex;gap:12px;font-size:13.5px;line-height:1.65;color:var(--t2)}
.step-list .step-no{
  flex:none;width:24px;height:24px;border-radius:8px;
  background:rgba(18,59,58,.09);color:var(--ink);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step-list strong{display:block;color:var(--t1);font-weight:600;font-size:13.5px;margin-bottom:2px}
.side-cta{
  background:linear-gradient(120deg,#123B3A 0%,#1E6B62 58%,#3E8C7F 100%);
  color:rgba(247,244,238,.86);border:none;
}
.side-cta h3{color:#fff;border-bottom-color:rgba(255,255,255,.16)}
.side-cta p{font-size:13.5px;line-height:1.7;margin-bottom:16px}
.side-cta .btn{color:#fff}

/* ============ 标签行 ============ */
.tag-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  margin-top:44px;padding-top:24px;border-top:1px solid var(--line);
}
.tag-row .label{font-size:13px;color:var(--t3);margin-right:4px}

/* ============ 上一篇 / 下一篇 ============ */
.pn-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px}
.pn-card{
  display:block;padding:22px 24px;border-radius:var(--r-lg);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-1);
  transition:all .22s var(--ease);
}
.pn-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--celadon)}
.pn-card .pn-label{font-size:12px;color:var(--t3);letter-spacing:.08em;display:block;margin-bottom:8px}
.pn-card .pn-title{font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.5}
.pn-card.next{text-align:right}

/* ============ 相关推荐 ============ */
.section{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{
  font-size:clamp(20px,2.4vw,28px);font-weight:650;color:var(--ink);
  line-height:1.35;position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.32em;width:4px;height:18px;
  background:var(--amber);border-radius:2px;
}
.section-head .more{font-size:13.5px;color:var(--ink-2);border-bottom:1px solid var(--celadon);padding-bottom:2px}
.section-head .more:hover{border-bottom-color:var(--ink-2)}

.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-1);transition:all .22s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--celadon)}
.rel-card .thumb{overflow:hidden;background:rgba(168,201,191,.2)}
.rel-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease)}
.rel-card:hover .thumb img{transform:scale(1.03)}
.rel-card .rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card .badge{align-self:flex-start}
.rel-card h3{
  font-size:16px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card p{
  font-size:13.5px;color:var(--t2);line-height:1.7;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card .rel-foot{font-size:12.5px;color:var(--t3);display:flex;align-items:center;gap:10px}

/* ============ 底部 CTA ============ */
.cta-band{
  margin-top:88px;background:var(--dark);color:rgba(247,244,238,.8);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-160px;top:-160px;width:460px;height:460px;
  background:radial-gradient(circle,rgba(168,201,191,.16) 0%,rgba(168,201,191,0) 70%);
  pointer-events:none;
}
.cta-inner{
  position:relative;display:flex;align-items:center;justify-content:space-between;
  gap:32px;padding:56px 24px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(20px,2.6vw,28px);font-weight:650;color:#fff;line-height:1.35}
.cta-inner p{font-size:14.5px;line-height:1.8;margin-top:10px;max-width:520px;color:rgba(247,244,238,.72)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-outline-light{
  background:transparent;border:1px solid rgba(255,255,255,.3);color:#fff;
}
.btn-outline-light:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(247,244,238,.72);padding:0 0 0;border-top:1px solid rgba(255,255,255,.12)}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding:56px 0 40px;
}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand-mark{background:linear-gradient(120deg,#1E6B62,#3E8C7F)}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(247,244,238,.5)}
.footer-brand p{font-size:13px;line-height:1.85;color:rgba(247,244,238,.62);margin-bottom:10px;max-width:340px}
.footer-col h4{
  font-size:13px;font-weight:600;color:rgba(247,244,238,.92);
  margin-bottom:16px;letter-spacing:.04em;
}
.footer-col a{
  display:block;font-size:13px;color:rgba(247,244,238,.62);
  padding:6px 0;transition:color .2s var(--ease);
}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-contact li{font-size:13px;line-height:1.85;color:rgba(247,244,238,.62);margin-bottom:6px}
.qr-box{
  width:96px;height:96px;margin-top:16px;border-radius:12px;
  border:1px dashed rgba(255,255,255,.24);display:flex;align-items:center;justify-content:center;
  font-size:11px;color:rgba(247,244,238,.42);
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:rgba(247,244,238,.46);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom .links a{color:rgba(247,244,238,.62);transition:color .2s var(--ease)}
.footer-bottom .links a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:40px}
}
@media (max-width:1023px){
  .header-channel-row{display:none}
  .menu-toggle{display:inline-flex}
  .article-layout{grid-template-columns:1fr;gap:36px}
  .aside{position:static}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .container{padding:0 20px}
}
@media (max-width:767px){
  .brand-name{font-size:13px}
  .brand-sub{display:none}
  .header-actions .btn-sm{display:none}
  .article-main{padding-top:36px}
  .article-meta{gap:8px 14px}
  .share-btn{margin-left:0}
  .pn-grid{grid-template-columns:1fr}
  .pn-card.next{text-align:left}
  .rel-grid{grid-template-columns:1fr}
  .section{padding-top:56px}
  .cta-band{margin-top:64px}
  .cta-inner{padding:44px 20px;gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-top{grid-template-columns:1fr;gap:28px;padding:44px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .article-body{font-size:16px}
}
@media (max-width:519px){
  .article-head h1{font-size:24px}
  .btn{height:46px;font-size:14.5px}
  .cover-figure{border-radius:16px}
  .side-card{padding:18px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category1 */
:root{
    --ink:#123B3A;
    --ink-2:#1E6B62;
    --amber:#E9762F;
    --amber-soft:#FBE7D8;
    --celadon:#A8C9BF;
    --paper:#F7F4EE;
    --card:#FDFCF9;
    --dark:#0B1E1C;
    --t1:#16211F;
    --t2:#4E5B58;
    --t3:#8A9491;
    --line:#E2DCD0;
    --ok:#2F7D5B;
    --warn:#C4552B;
    --r-lg:24px;
    --r-md:16px;
    --r-sm:12px;
    --r-pill:999px;
    --sh-1:0 2px 8px rgba(18,59,58,.06), 0 10px 28px rgba(18,59,58,.07);
    --sh-2:0 18px 44px rgba(18,59,58,.14);
    --ease:220ms cubic-bezier(.2,.7,.3,1);
    --grad-ink:linear-gradient(120deg,#123B3A 0%,#1E6B62 58%,#3E8C7F 100%);
    --grad-amber:linear-gradient(100deg,#E9762F,#F2A05C);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--t1);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
    font-size:15px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
  input,textarea,select{font-family:inherit;font-size:15px;color:var(--t1);}
  :focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:6px;}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

  /* ============ Header ============ */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(253,252,249,.94);
    backdrop-filter:blur(6px);
    -webkit-backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
    transition:box-shadow var(--ease);
  }
  body.is-scrolled .site-header{box-shadow:0 4px 18px rgba(18,59,58,.08);}
  .header-top-inner{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    height:68px;transition:height var(--ease);
  }
  body.is-scrolled .header-top-inner{height:60px;}
  .brand{display:flex;align-items:center;gap:10px;min-width:0;}
  .brand-mark{
    flex:0 0 auto;
    width:42px;height:42px;border-radius:14px;
    background:var(--grad-ink);color:#fff;
    display:flex;align-items:center;justify-content:center;
    font-size:15px;font-weight:700;letter-spacing:.04em;
    box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
  }
  .brand-text{display:flex;flex-direction:column;min-width:0;}
  .brand-name{
    font-size:14px;font-weight:600;color:var(--ink);line-height:1.3;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  }
  .brand-sub{font-size:11px;color:var(--t3);line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .icon-btn{
    width:44px;height:44px;border-radius:var(--r-sm);
    display:flex;align-items:center;justify-content:center;
    color:var(--ink);border:1px solid transparent;
    transition:background var(--ease),border-color var(--ease),transform var(--ease);
  }
  .icon-btn:hover{background:rgba(18,59,58,.06);border-color:var(--line);}
  .icon-btn:active{transform:scale(.96);}
  .menu-btn{display:none;width:44px;height:44px;border-radius:var(--r-sm);align-items:center;justify-content:center;color:var(--ink);border:1px solid var(--line);}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 22px;border-radius:var(--r-sm);
    font-size:15px;font-weight:600;line-height:1;
    transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease),filter var(--ease);
    white-space:nowrap;
  }
  .btn-primary{background:var(--grad-amber);color:#fff;box-shadow:0 8px 20px rgba(233,118,47,.24);}
  .btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 28px rgba(233,118,47,.3);}
  .btn-primary:active{transform:scale(.98);}
  .btn-ghost{background:var(--card);color:var(--ink);border:1px solid var(--ink);}
  .btn-ghost:hover{background:rgba(18,59,58,.06);transform:translateY(-2px);}
  .btn-ghost:active{transform:scale(.98);}
  .btn-light{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.28);}
  .btn-light:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
  .btn-sm{height:40px;padding:0 16px;font-size:14px;}

  .header-nav{border-top:1px solid var(--line);}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:48px;}
  .nav-channels{display:flex;align-items:center;gap:4px;min-width:0;overflow-x:auto;scrollbar-width:none;}
  .nav-channels::-webkit-scrollbar{display:none;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;
    height:36px;padding:0 12px;border-radius:var(--r-sm);
    font-size:14px;font-weight:500;color:var(--t2);white-space:nowrap;
    transition:background var(--ease),color var(--ease);
  }
  .nav-link:hover{color:var(--ink);background:rgba(18,59,58,.05);}
  .nav-link.is-active{color:var(--ink);font-weight:600;background:rgba(18,59,58,.12);}
  .nav-link.is-active::after{
    content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
    width:20px;height:2px;border-radius:2px;background:var(--amber);
  }
  .nav-hot{display:flex;align-items:center;gap:14px;flex:0 0 auto;overflow-x:auto;scrollbar-width:none;}
  .nav-hot::-webkit-scrollbar{display:none;}
  .hot-label{font-size:12px;color:var(--t3);letter-spacing:.08em;white-space:nowrap;}
  .hot-tag{
    position:relative;display:inline-flex;align-items:center;gap:6px;
    font-size:13px;color:var(--t2);white-space:nowrap;padding:4px 2px;
    transition:color var(--ease);
  }
  .hot-tag::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--amber);}
  .hot-tag:hover{color:var(--ink-2);}

  /* Drawer */
  .drawer{
    position:fixed;inset:0;z-index:120;
    background:rgba(11,30,28,.45);
    opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
  }
  .drawer.is-open{opacity:1;visibility:visible;}
  .drawer-panel{
    position:absolute;inset:0;background:var(--card);
    padding:20px;display:flex;flex-direction:column;gap:22px;
    overflow-y:auto;transform:translateY(-12px);transition:transform var(--ease);
  }
  .drawer.is-open .drawer-panel{transform:translateY(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .drawer-title{font-size:13px;font-weight:600;color:var(--t3);letter-spacing:.1em;}
  .drawer-close{width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink);}
  .drawer-channels{display:flex;flex-direction:column;gap:6px;}
  .drawer-channels .nav-link{height:48px;font-size:15px;justify-content:flex-start;padding:0 14px;}
  .drawer-search{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:var(--r-md);padding:0 14px;height:44px;background:var(--paper);}
  .drawer-search input{border:0;background:transparent;outline:none;width:100%;height:100%;}
  .drawer-hot{display:flex;flex-wrap:wrap;gap:10px;}
  .drawer-hot a{font-size:13px;color:var(--t2);border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 14px;background:var(--paper);}
  .drawer-hot a:hover{color:var(--ink);border-color:var(--celadon);}

  /* ============ Page head ============ */
  .page-head{
    position:relative;
    padding:52px 0 44px;
    background:
      radial-gradient(760px 320px at 88% -30%, rgba(168,201,191,.32), transparent 70%),
      linear-gradient(180deg,#FBF9F4 0%, var(--paper) 100%);
    border-bottom:1px solid var(--line);
    overflow:hidden;
  }
  .page-head::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
    background:linear-gradient(90deg,transparent,var(--celadon),transparent);
  }
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;letter-spacing:.12em;color:var(--amber);font-weight:600;
    margin-bottom:16px;
  }
  .eyebrow::before{content:"";width:26px;height:2px;background:var(--amber);border-radius:2px;}
  .page-head h1{
    font-size:clamp(26px,3.6vw,40px);line-height:1.24;font-weight:700;letter-spacing:-.01em;
    color:var(--ink);max-width:20em;
  }
  .page-lead{
    margin-top:16px;max-width:64ch;font-size:16px;line-height:1.85;color:var(--t2);
  }
  .stat-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .stat-pill{
    display:inline-flex;align-items:baseline;gap:8px;
    padding:10px 18px;border-radius:var(--r-pill);
    background:rgba(168,201,191,.22);border:1px solid var(--celadon);
  }
  .stat-pill b{font-size:20px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;}
  .stat-pill span{font-size:12px;color:var(--t2);}
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:18px;flex-wrap:wrap;}
  .crumb a{color:var(--t3);transition:color var(--ease);}
  .crumb a:hover{color:var(--ink-2);}
  .crumb span{color:var(--t2);}

  /* ============ Sections ============ */
  .section{padding:80px 0;}
  .section-tight{padding:64px 0;}
  .sec-head{max-width:720px;margin-bottom:40px;}
  .sec-head h2{
    font-size:clamp(22px,2.6vw,30px);line-height:1.32;font-weight:650;color:var(--ink);
    position:relative;padding-left:16px;
  }
  .sec-head h2::before{
    content:"";position:absolute;left:0;top:.28em;width:4px;height:20px;border-radius:2px;background:var(--amber);
  }
  .sec-head p{margin-top:12px;color:var(--t2);font-size:15px;line-height:1.8;}

  /* Flow list */
  .flow-list{position:relative;padding-left:34px;}
  .flow-list::before{
    content:"";position:absolute;left:7px;top:12px;bottom:12px;width:1px;background:var(--celadon);
  }
  .flow-item{
    position:relative;display:grid;grid-template-columns:minmax(0,270px) minmax(0,1fr);
    gap:26px;align-items:start;padding-bottom:34px;
  }
  .flow-item:last-child{padding-bottom:0;}
  .flow-item::before{
    content:"";position:absolute;left:-30px;top:24px;width:10px;height:10px;border-radius:50%;
    background:var(--amber);box-shadow:0 0 0 4px rgba(233,118,47,.16);
  }
  .flow-thumb{
    border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);
    background:var(--card);box-shadow:var(--sh-1);aspect-ratio:4/3;
  }
  .flow-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1);}
  .flow-item:hover .flow-thumb img{transform:scale(1.03);}
  .flow-body{min-width:0;}
  .flow-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px;}
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 12px;border-radius:var(--r-pill);
    font-size:12px;font-weight:600;letter-spacing:.02em;
    background:var(--amber-soft);color:#A64E13;
  }
  .badge-quiet{background:rgba(168,201,191,.26);color:var(--ink-2);}
  .flow-body h3{font-size:19px;line-height:1.45;font-weight:600;color:var(--ink);transition:color var(--ease);}
  .flow-item:hover .flow-body h3{color:var(--ink-2);}
  .flow-body p{margin-top:10px;color:var(--t2);font-size:15px;line-height:1.8;}
  .flow-foot{display:flex;flex-wrap:wrap;gap:16px;margin-top:14px;font-size:13px;color:var(--t3);}
  .flow-foot i{font-style:normal;color:var(--ink-2);font-weight:600;font-variant-numeric:tabular-nums;}
  .more-wrap{margin-top:40px;display:flex;justify-content:center;}

  /* Stagger cards */
  .stagger{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
  .stagger .card{padding:26px;border-radius:var(--r-lg);background:var(--card);border:1px solid var(--line);box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease);}
  .stagger .card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
  .stagger .card.wide{grid-column:span 2;}
  .card-icon{
    width:44px;height:44px;border-radius:14px;background:rgba(168,201,191,.3);
    display:flex;align-items:center;justify-content:center;color:var(--ink);margin-bottom:16px;
  }
  .stagger h3{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:8px;}
  .stagger p{color:var(--t2);font-size:14.5px;line-height:1.8;}
  .mini-list{margin-top:14px;display:grid;gap:8px;}
  .mini-list li{position:relative;padding-left:16px;font-size:14px;color:var(--t2);}
  .mini-list li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--celadon);}

  /* Compare table */
  .table-wrap{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:8px 24px;box-shadow:var(--sh-1);overflow-x:auto;
  }
  table.cmp{width:100%;border-collapse:collapse;min-width:640px;}
  table.cmp th,table.cmp td{text-align:left;padding:16px 12px;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--t2);vertical-align:top;}
  table.cmp thead th{font-size:13px;font-weight:600;color:var(--t3);letter-spacing:.04em;background:rgba(168,201,191,.14);}
  table.cmp tbody tr:last-child th,table.cmp tbody tr:last-child td{border-bottom:0;}
  table.cmp tbody th{color:var(--ink);font-weight:600;font-size:15px;width:26%;}
  .table-note{margin-top:16px;font-size:13px;color:var(--t3);}

  /* Split feature */
  .split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;}
  .split-media{
    border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
    box-shadow:var(--sh-1);aspect-ratio:16/11;
  }
  .split-media img{width:100%;height:100%;object-fit:cover;}
  .split h2{font-size:clamp(22px,2.6vw,30px);font-weight:650;color:var(--ink);line-height:1.32;}
  .split p{margin-top:14px;color:var(--t2);font-size:15px;line-height:1.85;}
  .check-list{margin-top:22px;display:grid;gap:12px;}
  .check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--t2);line-height:1.7;}
  .check-list li span{color:var(--ink-2);font-weight:700;flex:0 0 auto;}

  /* FAQ */
  .faq{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:56px;padding:14px 0;text-align:left;
    font-size:15.5px;font-weight:600;color:var(--t1);
    transition:color var(--ease);
  }
  .faq-q:hover{color:var(--ink-2);}
  .faq-q .plus{
    flex:0 0 auto;width:20px;height:20px;position:relative;
    transition:transform var(--ease);
  }
  .faq-q .plus::before,.faq-q .plus::after{
    content:"";position:absolute;background:var(--ink-2);border-radius:2px;
  }
  .faq-q .plus::before{left:0;top:9px;width:20px;height:2px;}
  .faq-q .plus::after{left:9px;top:0;width:2px;height:20px;}
  .faq-item.is-open .faq-q .plus{transform:rotate(45deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height var(--ease);}
  .faq-item.is-open .faq-a{max-height:340px;}
  .faq-a p{padding:0 0 20px;max-width:68ch;font-size:14.5px;line-height:1.85;color:var(--t2);}

  /* CTA */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--r-lg);
    background:var(--dark);color:#fff;padding:56px 48px;
    display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;
  }
  .cta-band::before{
    content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
    background:radial-gradient(circle,rgba(168,201,191,.16),transparent 68%);
  }
  .cta-band h2{font-size:clamp(21px,2.4vw,28px);font-weight:650;line-height:1.35;position:relative;}
  .cta-band p{margin-top:12px;color:rgba(255,255,255,.72);font-size:14.5px;line-height:1.8;max-width:56ch;position:relative;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;}
  .cta-band .badge{background:rgba(255,255,255,.12);color:#fff;}

  /* Footer */
  .site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 28px;border-top:1px solid rgba(255,255,255,.12);}
  .footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);}
  .footer-brand .brand-name{color:#fff;font-size:15px;}
  .footer-brand .brand-sub{color:rgba(255,255,255,.5);}
  .footer-brand .brand-mark{background:rgba(255,255,255,.12);}
  .footer-brand p{margin-top:16px;font-size:13px;line-height:1.85;color:rgba(255,255,255,.6);max-width:34ch;}
  .footer-col h4{font-size:13px;color:#fff;font-weight:600;letter-spacing:.04em;margin-bottom:16px;}
  .footer-col a{display:block;font-size:13px;color:rgba(255,255,255,.66);padding:6px 0;transition:color var(--ease);}
  .footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
  .footer-contact li{font-size:13px;color:rgba(255,255,255,.66);padding:5px 0;line-height:1.7;}
  .qr-box{
    margin-top:14px;width:96px;height:96px;border-radius:12px;
    border:1px dashed rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center;
    font-size:11px;color:rgba(255,255,255,.42);text-align:center;
  }
  .footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding-top:24px;font-size:12px;color:rgba(255,255,255,.45);}
  .footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}
  .footer-bottom a{color:rgba(255,255,255,.55);}
  .footer-bottom a:hover{color:#fff;}

  /* ============ Responsive ============ */
  @media (max-width:1023px){
    .nav-channels,.nav-hot{display:none;}
    .header-nav{display:none;}
    .menu-btn{display:flex;}
    .header-actions .btn-sm{display:none;}
    .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
    .split{grid-template-columns:1fr;gap:28px;}
    .cta-band{grid-template-columns:1fr;padding:40px 28px;}
    .section{padding:64px 0;}
  }
  @media (max-width:767px){
    .flow-item{grid-template-columns:1fr;gap:16px;padding-bottom:30px;}
    .flow-item::before{top:18px;}
    .flow-thumb{aspect-ratio:16/10;}
    .stagger{grid-template-columns:1fr;}
    .stagger .card.wide{grid-column:span 1;}
    .page-head{padding:36px 0 32px;}
    .section{padding:52px 0;}
    .footer-top{grid-template-columns:1fr;gap:28px;}
    .brand-sub{max-width:44vw;}
    .container{padding:0 18px;}
  }
  @media (max-width:519px){
    .btn{width:100%;}
    .header-actions{gap:6px;}
    .header-actions .icon-btn{width:40px;height:40px;}
    .flow-list{padding-left:26px;}
    .flow-item::before{left:-24px;}
    .cta-actions{width:100%;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  }

/* roulang page: category3 */
:root{
  --ink:#123B3A;
  --ink-2:#1E6B62;
  --amber:#E9762F;
  --amber-soft:#FBE7D8;
  --celadon:#A8C9BF;
  --paper:#F7F4EE;
  --card:#FDFCF9;
  --dark:#0B1E1C;
  --t1:#16211F;
  --t2:#4E5B58;
  --t3:#8A9491;
  --line:#E2DCD0;
  --ok:#2F7D5B;
  --warn:#C4552B;
  --grad-brand:linear-gradient(120deg,#123B3A 0%,#1E6B62 58%,#3E8C7F 100%);
  --grad-amber:linear-gradient(100deg,#E9762F,#F2A05C);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-1:0 2px 8px rgba(18,59,58,.06),0 10px 28px rgba(18,59,58,.07);
  --shadow-2:0 18px 44px rgba(18,59,58,.14);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:Manrope,"PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;
  background:var(--paper);
  color:var(--t1);
  font-family:var(--font-cn);
  font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--t1);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(253,252,249,.98);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{
  background:rgba(253,252,249,.92);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  box-shadow:0 6px 20px rgba(18,59,58,.08);
}
.nav-top{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:68px;transition:min-height var(--ease);
}
.site-header.is-scrolled .nav-top{min-height:60px;}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  background:var(--grad-brand);color:#fff;
  font-size:15px;font-weight:700;letter-spacing:.04em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-name{font-size:14px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-sub{font-size:11px;color:var(--t3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.nav-tools{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--ink);
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.icon-btn:hover{background:rgba(18,59,58,.06);border-color:var(--celadon);}
.icon-btn:active{transform:scale(.96);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:14px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--grad-amber);color:#fff;box-shadow:0 8px 20px rgba(233,118,47,.24);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(233,118,47,.3);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:var(--card);color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:rgba(18,59,58,.06);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{min-height:38px;padding:0 16px;font-size:13px;border-radius:10px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--ink);font-size:14px;font-weight:600;
  padding-bottom:2px;border-bottom:1px solid var(--ink);
  transition:color var(--ease),border-color var(--ease);
}
.btn-link:hover{color:var(--ink-2);border-color:var(--ink-2);}

.nav-channels{
  display:flex;align-items:center;gap:6px;
  border-top:1px solid var(--line);
  padding:8px 0;
  overflow-x:auto;scrollbar-width:none;
}
.nav-channels::-webkit-scrollbar{display:none;}
.nav-link{
  position:relative;flex:0 0 auto;
  padding:8px 14px;border-radius:10px;
  font-size:14px;font-weight:500;color:var(--t2);
  transition:background var(--ease),color var(--ease);
  white-space:nowrap;
}
.nav-link:hover{background:rgba(18,59,58,.06);color:var(--ink);}
.nav-link.is-active{
  background:rgba(18,59,58,.12);color:var(--ink);font-weight:600;
}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;width:20px;background:var(--amber);border-radius:2px;
}
.hot-tags{display:flex;align-items:center;gap:14px;margin-left:auto;padding-left:18px;flex:0 0 auto;}
.hot-tags .dot{width:6px;height:6px;border-radius:999px;background:var(--amber);display:inline-block;margin-right:6px;}
.hot-tag{font-size:13px;color:var(--t2);white-space:nowrap;transition:color var(--ease);}
.hot-tag:hover{color:var(--ink);}
.nav-burger{display:none;}

/* mobile drawer */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:var(--paper);
  display:none;flex-direction:column;
  padding:20px 20px 32px;overflow-y:auto;
}
.drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;}
.drawer-close{
  width:44px;height:44px;border-radius:999px;border:1px solid var(--line);
  background:var(--card);font-size:20px;color:var(--ink);line-height:1;
}
.drawer-block{margin-bottom:24px;}
.drawer-block h3{font-size:13px;letter-spacing:.08em;color:var(--t3);font-weight:600;margin-bottom:12px;}
.drawer-search{display:flex;gap:8px;}
.drawer-search input{
  flex:1;height:44px;border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--card);padding:0 14px;font-size:14px;color:var(--t1);
}
.drawer-search input:focus{border-color:var(--amber);box-shadow:0 0 0 2px rgba(233,118,47,.18);outline:none;}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{
  padding:12px 14px;border-radius:var(--r-sm);font-size:15px;color:var(--t1);
  background:var(--card);border:1px solid var(--line);
}
.drawer-links a.is-active{background:rgba(18,59,58,.12);color:var(--ink);font-weight:600;border-color:var(--celadon);}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.drawer-tags span{
  font-size:13px;padding:6px 12px;border-radius:999px;
  background:var(--amber-soft);color:#A9541B;font-weight:500;
}

/* ===== Hero banner ===== */
.topic-hero{
  position:relative;overflow:hidden;
  min-height:360px;display:flex;align-items:flex-end;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
}
.topic-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(11,30,28,.92) 0%,rgba(18,59,58,.82) 48%,rgba(18,59,58,.42) 100%);
}
.topic-hero .container{position:relative;z-index:2;padding-top:44px;padding-bottom:40px;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;flex-wrap:wrap;}
.crumbs a{color:rgba(255,255,255,.82);}
.crumbs a:hover{color:#fff;text-decoration:underline;}
.crumbs .sep{opacity:.6;}
.crumbs .current{color:#fff;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;
  color:var(--amber);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--amber);display:inline-block;}
.topic-hero h1{
  color:#fff;font-size:clamp(28px,4vw,44px);line-height:1.18;
  max-width:16em;margin-bottom:14px;
}
.topic-hero .lead{
  color:rgba(255,255,255,.86);font-size:16px;line-height:1.8;
  max-width:44em;margin-bottom:24px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.data-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 16px;border-radius:999px;
  background:rgba(168,201,191,.18);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;
}
.data-badge .num{font-family:var(--font-num);font-weight:700;font-size:18px;font-variant-numeric:tabular-nums;}
.data-badge .txt{font-size:12px;color:rgba(255,255,255,.78);}

/* ===== Layout ===== */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.grid-main{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px;align-items:start;}
.side-sticky{position:sticky;top:120px;display:flex;flex-direction:column;gap:20px;}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:24px;
}

/* content groups */
.topic-group{margin-bottom:56px;}
.topic-group:last-child{margin-bottom:0;}
.group-head{display:flex;align-items:flex-start;gap:12px;margin-bottom:8px;}
.group-head::before{
  content:"";flex:0 0 4px;width:4px;height:22px;margin-top:6px;
  background:var(--amber);border-radius:2px;
}
.group-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:650;}
.group-intro{color:var(--t2);font-size:15px;line-height:1.85;margin:12px 0 26px;max-width:60em;}

.entry{
  display:grid;grid-template-columns:200px minmax(0,1fr);gap:22px;
  padding:20px 0;border-top:1px solid var(--line);
  transition:transform var(--ease);
}
.entry:first-of-type{border-top:1px solid var(--line);}
.entry-media{
  position:relative;border-radius:var(--r-md);overflow:hidden;
  aspect-ratio:4/3;background:var(--celadon);
}
.entry-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform var(--ease);
}
.entry:hover .entry-media img{transform:scale(1.04);}
.entry-body h3{font-size:18px;line-height:1.5;margin-bottom:8px;font-weight:600;}
.entry:hover .entry-body h3{color:var(--ink-2);}
.entry-body p{font-size:14.5px;line-height:1.85;color:var(--t2);margin-bottom:12px;}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--amber-soft);color:#A9541B;
}
.entry-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px;}
.entry-meta .date{
  font-family:var(--font-num);font-size:13px;color:var(--t3);
  font-variant-numeric:tabular-nums;
}
.group-more{display:flex;justify-content:flex-start;margin-top:18px;}

/* aside */
.aside-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:22px;
}
.aside-card h3{font-size:15px;font-weight:600;margin-bottom:14px;color:var(--t1);}
.anchor-nav{display:flex;flex-direction:column;gap:2px;}
.anchor-nav a{
  position:relative;display:block;
  padding:9px 12px 9px 16px;border-radius:10px;
  font-size:14px;color:var(--t2);
  transition:background var(--ease),color var(--ease);
}
.anchor-nav a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--amber);border-radius:2px;
  transition:height var(--ease);
}
.anchor-nav a:hover{background:rgba(18,59,58,.06);color:var(--ink);}
.anchor-nav a.is-current{background:rgba(18,59,58,.1);color:var(--ink);font-weight:600;}
.anchor-nav a.is-current::before{height:16px;}
.aside-consult{background:var(--grad-brand);border:none;color:#fff;}
.aside-consult h3{color:#fff;}
.aside-consult p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.8);margin-bottom:16px;}
.aside-consult .btn{width:100%;}
.aside-list li{
  display:flex;gap:10px;font-size:13.5px;color:var(--t2);line-height:1.7;
  padding:8px 0;border-bottom:1px dashed var(--line);
}
.aside-list li:last-child{border-bottom:none;}
.aside-list .k{color:var(--ink);font-weight:600;flex:0 0 auto;}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px;}
.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:16px;
  min-height:56px;padding:16px 0;background:none;border:none;
  text-align:left;font-size:15.5px;font-weight:600;color:var(--t1);cursor:pointer;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--ink-2);}
.faq-icon{
  flex:0 0 auto;width:20px;height:20px;position:relative;
  transition:transform var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
}
.faq-icon::before{left:50%;top:2px;width:2px;height:16px;transform:translateX(-50%);}
.faq-icon::after{top:50%;left:2px;height:2px;width:16px;transform:translateY(-50%);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 200ms cubic-bezier(.2,.7,.3,1);
}
.faq-a p{
  font-size:14.5px;line-height:1.85;color:var(--t2);
  max-width:68ch;padding-bottom:18px;
}

/* ===== CTA ===== */
.cta-band{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  padding:36px;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);line-height:1.35;margin-bottom:12px;}
.cta-band p{color:var(--t2);font-size:15px;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}

/* ===== Footer ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.76);padding:56px 0 0;margin-top:8px;}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:13px;line-height:1.85;color:rgba(255,255,255,.6);margin-bottom:10px;max-width:34em;}
.footer-col h4{font-size:13px;color:#fff;font-weight:600;margin-bottom:14px;letter-spacing:.04em;}
.footer-col a{
  display:block;font-size:13px;color:rgba(255,255,255,.68);
  padding:5px 0;transition:color var(--ease);
}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-contact li{font-size:13px;color:rgba(255,255,255,.68);line-height:1.9;}
.qr-box{
  width:96px;height:96px;margin-top:14px;border-radius:12px;
  border:1px dashed rgba(255,255,255,.28);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;color:rgba(255,255,255,.45);
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:18px 0 26px;font-size:12px;color:rgba(255,255,255,.5);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a{color:rgba(255,255,255,.6);font-size:12px;}
.footer-bottom a:hover{color:#fff;text-decoration:underline;}

/* ===== Responsive ===== */
@media (max-width:1023px){
  .nav-channels,.hot-tags{display:none;}
  .nav-burger{display:inline-flex;}
  .grid-main{grid-template-columns:minmax(0,1fr);gap:36px;}
  .side-sticky{position:static;flex-direction:column;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;padding:28px;}
  .cta-actions{justify-content:flex-start;}
  .section{padding:56px 0;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .entry{grid-template-columns:1fr;gap:14px;}
  .entry-media{aspect-ratio:16/9;}
  .topic-hero{min-height:320px;}
  .topic-hero .container{padding-top:32px;padding-bottom:32px;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .brand-name{font-size:13px;max-width:52vw;}
  .brand-sub{font-size:10.5px;max-width:52vw;}
  .nav-tools .btn-label{display:none;}
}
@media (max-width:519px){
  .entry-body h3{font-size:17px;}
  .cta-actions .btn{width:100%;}
  .data-badge{padding:6px 12px;}
  .data-badge .num{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category2 */
:root{
  --ink:#123B3A;
  --ink-2:#1E6B62;
  --amber:#E9762F;
  --amber-soft:#FBE7D8;
  --celadon:#A8C9BF;
  --paper:#F7F4EE;
  --card:#FDFCF9;
  --dark:#0B1E1C;
  --t1:#16211F;
  --t2:#4E5B58;
  --t3:#8A9491;
  --line:#E2DCD0;
  --ok:#2F7D5B;
  --warn:#C4552B;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(18,59,58,.06),0 10px 28px rgba(18,59,58,.07);
  --sh-2:0 18px 44px rgba(18,59,58,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --grad-brand:linear-gradient(120deg,#123B3A 0%,#1E6B62 58%,#3E8C7F 100%);
  --grad-amber:linear-gradient(100deg,#E9762F,#F2A05C);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:Manrope,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:15px;
  line-height:1.75;
  color:var(--t1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--ink);text-decoration:none}
button{font-family:inherit;font-size: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}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- 吸顶导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(253,252,249,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow 220ms var(--ease),background 220ms var(--ease),backdrop-filter 220ms var(--ease);
}
.site-header.is-stuck{
  background:rgba(253,252,249,.92);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  box-shadow:0 4px 18px rgba(18,59,58,.08);
}
.header-top{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:72px;
  transition:height 220ms var(--ease);
}
.site-header.is-stuck .header-top{height:62px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;flex:0 0 44px;
  border-radius:12px;
  background:var(--grad-brand);
  color:#fff;font-size:15px;font-weight:700;letter-spacing:.04em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-name{font-size:14px;font-weight:600;color:var(--ink);white-space:nowrap}
.brand-sub{font-size:11px;color:var(--t3);white-space:nowrap}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:44px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--card);color:var(--ink);
  font-size:13px;font-weight:600;
  transition:background 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease);
}
.icon-btn:hover{background:rgba(18,59,58,.06);border-color:var(--celadon);transform:translateY(-1px)}
.menu-btn{display:none}
.nav-channels{
  display:flex;align-items:center;gap:6px;
  overflow-x:auto;
  padding-bottom:8px;
  scrollbar-width:none;
}
.nav-channels::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:44px;padding:0 14px;
  border-radius:var(--r-sm);
  font-size:14px;font-weight:500;color:var(--t2);
  white-space:nowrap;
  transition:color 200ms var(--ease),background 200ms var(--ease);
}
.nav-link:hover{color:var(--ink);background:rgba(18,59,58,.05)}
.nav-link.is-active{
  color:var(--ink);font-weight:600;
  background:rgba(18,59,58,.12);
}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;background:var(--amber);
}
.nav-trend{
  display:flex;align-items:center;gap:14px;
  margin-left:auto;padding-left:16px;
  border-left:1px solid var(--line);
  flex:0 0 auto;
}
.nav-trend a{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--t2);white-space:nowrap;
  transition:color 180ms var(--ease);
}
.nav-trend a::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);
}
.nav-trend a:hover{color:var(--ink)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;
  display:none;
  background:var(--paper);
  padding:18px 20px 32px;
  overflow-y:auto;
}
.drawer.is-open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--card);
  font-size:20px;line-height:1;color:var(--ink);
}
.drawer-search{
  display:flex;gap:8px;margin-bottom:20px;
}
.drawer-search input{
  flex:1 1 auto;height:44px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--card);
}
.drawer-search button{
  height:44px;padding:0 16px;border-radius:var(--r-sm);
  background:var(--grad-amber);color:#fff;font-weight:600;font-size:14px;
}
.drawer-title{font-size:12px;font-weight:600;color:var(--t3);letter-spacing:.08em;margin:18px 0 10px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;margin-bottom:8px;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--card);font-size:15px;font-weight:500;color:var(--t1);
}
.drawer-nav a.is-active{background:rgba(18,59,58,.1);border-color:var(--celadon);color:var(--ink);font-weight:600}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--amber-soft);color:#a04a17;
  font-size:13px;font-weight:500;
}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:600;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),filter 220ms var(--ease);
}
.btn-primary{
  background:var(--grad-amber);color:#fff;
  box-shadow:0 8px 22px rgba(233,118,47,.24);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(233,118,47,.28)}
.btn-primary:active{transform:scale(.98)}
.btn-secondary{
  background:var(--card);color:var(--ink);
  border:1px solid var(--ink);
}
.btn-secondary:hover{background:rgba(18,59,58,.06);transform:translateY(-2px)}
.btn-secondary:active{transform:scale(.98)}
.btn-sm{min-height:44px;padding:0 18px;font-size:13px;border-radius:var(--r-sm)}
.btn-block{width:100%}
.link-line{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--celadon);
  padding-bottom:2px;
  transition:border-color 200ms var(--ease);
}
.link-line:hover{border-color:var(--ink)}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;
  padding:64px 0 52px;
  background:
    radial-gradient(680px 260px at 88% -10%,rgba(168,201,191,.34),transparent 70%),
    linear-gradient(180deg,#FBF9F4 0%,var(--paper) 100%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--celadon),transparent);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--t3);margin-bottom:20px;
}
.breadcrumb a{color:var(--t3);transition:color 180ms var(--ease)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb span.current{color:var(--t2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;
  color:var(--amber);text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--amber)}
.page-head h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.18;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
  max-width:20em;
}
.page-head .lede{
  margin-top:16px;max-width:44em;
  font-size:16px;line-height:1.85;color:var(--t2);
}
.head-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:22px;
}
.stat-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;
  border-radius:var(--r-pill);
  background:rgba(168,201,191,.26);
  border:1px solid rgba(18,59,58,.14);
  font-size:12px;color:var(--t2);
}
.stat-badge b{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:18px;font-weight:700;color:var(--ink);
}
.filter-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:26px;
}
.filter-pill{
  display:inline-flex;align-items:center;
  height:38px;padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--card);
  font-size:13px;font-weight:500;color:var(--t2);
  transition:background 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease),transform 200ms var(--ease);
}
.filter-pill:hover{border-color:var(--celadon);color:var(--ink);transform:translateY(-1px)}
.filter-pill[aria-pressed="true"]{
  background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600;
}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:36px;
}
.section-head h2{
  position:relative;
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.3;font-weight:650;color:var(--ink);
  padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;
  width:4px;border-radius:4px;background:var(--ink-2);
}
.section-head p{margin-top:10px;font-size:14px;color:var(--t2);max-width:52em;padding-left:16px}

/* ---------- 卡片网格 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card-grid > .grid-card:nth-child(3n){
  transform:translateY(8px);
}
.grid-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.grid-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--sh-2);
  border-color:var(--celadon);
}
.grid-card:nth-child(3n):hover{transform:translateY(-2px)}
.card-cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--celadon);
}
.card-cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 400ms var(--ease);
}
.grid-card:hover .card-cover img{transform:scale(1.04)}
.badge{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-amber{background:var(--amber-soft);color:#A04A17}
.card-cover .badge{
  position:absolute;left:14px;top:14px;
  background:rgba(253,252,249,.94);
  color:#A04A17;
  border:1px solid rgba(233,118,47,.28);
  backdrop-filter:blur(4px);
}
.card-body{
  display:flex;flex-direction:column;flex:1 1 auto;
  padding:22px;
}
.card-body h3{
  font-size:19px;line-height:1.45;font-weight:600;color:var(--ink);
}
.card-body .card-desc{
  margin-top:10px;
  font-size:14px;line-height:1.8;color:var(--t2);
}
.card-points{
  margin-top:14px;
  display:flex;flex-direction:column;gap:7px;
}
.card-points li{
  position:relative;
  padding-left:18px;
  font-size:13px;color:var(--t2);
}
.card-points li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:7px;height:7px;border-radius:2px;
  background:var(--celadon);
}
.card-foot{
  margin-top:auto;padding-top:16px;
  border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12px;color:var(--t3);
}
.card-foot a{font-size:13px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--celadon)}
.card-foot a:hover{border-color:var(--ink)}

/* ---------- 验证方式对照 ---------- */
.compare-strip{
  background:linear-gradient(180deg,#FBF9F4 0%,var(--paper) 100%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.compare-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.compare-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--sh-1)}
.compare-card h3{
  font-size:16px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;gap:8px;
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--amber);flex:0 0 8px}
.compare-card dl{margin:14px 0 0;display:flex;flex-direction:column;gap:10px}
.compare-card dt{font-size:12px;color:var(--t3)}
.compare-card dd{margin:2px 0 0;font-size:14px;color:var(--t2);line-height:1.7}

/* ---------- 流程 ---------- */
.flow-wrap{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.flow-wrap::before{
  content:"";position:absolute;left:0;right:0;top:26px;height:2px;
  background:linear-gradient(90deg,var(--celadon),rgba(168,201,191,.25));
}
.flow-step{position:relative;padding-top:56px}
.flow-step .step-no{
  position:absolute;left:0;top:8px;
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;
  background:var(--card);
  border:2px solid var(--celadon);
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:15px;font-weight:700;color:var(--ink);
  box-shadow:0 0 0 6px var(--paper);
}
.flow-step.is-key .step-no{border-color:var(--amber);color:#B2551C}
.flow-step h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:8px}
.flow-step p{font-size:14px;line-height:1.8;color:var(--t2)}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;min-height:60px;padding:14px 0;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--t1);
  transition:color 200ms var(--ease);
}
.faq-q:hover{color:var(--ink)}
.faq-q .plus{
  position:relative;flex:0 0 20px;
  width:20px;height:20px;
  transition:transform 200ms var(--ease);
}
.faq-q .plus::before,
.faq-q .plus::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--ink);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-q .plus::before{width:14px;height:2px}
.faq-q .plus::after{width:2px;height:14px}
.faq-q[aria-expanded="true"] .plus{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 220ms var(--ease);
}
.faq-a p{
  padding:0 0 20px;
  max-width:44em;
  font-size:14.5px;line-height:1.85;color:var(--t2);
}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 96px}
.cta-card{
  position:relative;
  background:var(--dark);
  border-radius:var(--r-lg);
  padding:52px;
  overflow:hidden;
  color:#fff;
}
.cta-card::after{
  content:"";position:absolute;right:-120px;top:-140px;
  width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(168,201,191,.18) 0%,rgba(168,201,191,0) 70%);
  pointer-events:none;
}
.cta-grid{
  position:relative;
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
}
.cta-card h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:650}
.cta-card p{margin-top:14px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.74);max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-card .btn-secondary{
  background:transparent;color:#fff;border-color:rgba(255,255,255,.4);
}
.cta-card .btn-secondary:hover{background:rgba(255,255,255,.1);border-color:#fff}
.contact-box{
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-md);
  padding:24px;
  background:rgba(255,255,255,.04);
}
.contact-box h3{font-size:15px;font-weight:600;margin-bottom:14px}
.contact-box ul{display:flex;flex-direction:column;gap:10px}
.contact-box li{font-size:13.5px;color:rgba(255,255,255,.78);display:flex;gap:10px}
.contact-box li b{font-weight:600;color:#fff;flex:0 0 62px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  border-top:1px solid rgba(255,255,255,.12);
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.5)}
.footer-brand p{font-size:13px;line-height:1.85;color:rgba(255,255,255,.6);margin-bottom:10px;max-width:26em}
.footer-col h4{
  font-size:13px;font-weight:600;color:rgba(255,255,255,.92);
  margin-bottom:16px;letter-spacing:.04em;
}
.footer-col a{
  display:block;
  font-size:13px;color:rgba(255,255,255,.66);
  padding:6px 0;
  transition:color 180ms var(--ease);
}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-contact{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.footer-contact li{font-size:13px;color:rgba(255,255,255,.66);line-height:1.7}
.qr-box{
  width:96px;height:96px;
  display:flex;align-items:center;justify-content:center;
  border:1px dashed rgba(255,255,255,.28);
  border-radius:12px;
  font-size:11px;color:rgba(255,255,255,.42);
  text-align:center;padding:8px;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:rgba(255,255,255,.5);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom .links a{color:rgba(255,255,255,.56);transition:color 180ms var(--ease)}
.footer-bottom .links a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-trend{display:none}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center;
    height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-pill);
    background:var(--card);font-size:13px;font-weight:600;color:var(--ink);gap:6px}
  .header-actions .icon-btn{display:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .card-grid > .grid-card:nth-child(3n){transform:none}
  .grid-card:nth-child(3n):hover{transform:translateY(-6px)}
  .compare-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-wrap{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:28px}
  .flow-wrap::before{display:none}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
  .cta-card{padding:36px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .brand-name{font-size:13px}
  .brand-sub{display:none}
  .nav-channels{gap:2px}
  .nav-link{padding:0 12px;font-size:13.5px}
  .page-head{padding:44px 0 38px}
  .page-head .lede{font-size:14.5px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .compare-grid{grid-template-columns:1fr}
  .flow-wrap{grid-template-columns:1fr}
  .section{padding:56px 0}
  .section-head{margin-bottom:26px}
  .cta-section{padding:0 0 64px}
  .cta-card{padding:26px}
  .footer-top{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .btn{width:100%}
  .cta-actions .btn{width:100%}
  .card-foot{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:420px){
  .filter-pill{height:34px;padding:0 12px;font-size:12.5px}
  .stat-badge{padding:6px 12px}
  .stat-badge b{font-size:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}