/* roulang page: index */
:root{
  --c-bg:#080D12;
  --c-bg-alt:#0D141B;
  --c-bg-alt2:#111A22;
  --c-footer:#060A0E;
  --c-primary:#0FB5A0;
  --c-primary-hover:#14C9B0;
  --c-primary-12:rgba(15,181,160,.12);
  --c-primary-20:rgba(15,181,160,.20);
  --c-primary-30:rgba(15,181,160,.30);
  --c-primary-40:rgba(15,181,160,.40);
  --c-accent:#F2A63B;
  --c-coral:#FF6B57;
  --c-title:#F2F7F9;
  --c-text:#C6D2DA;
  --c-muted:#8C9BA6;
  --c-glass:rgba(255,255,255,.05);
  --c-border:rgba(255,255,255,.10);
  --c-border-soft:rgba(255,255,255,.06);
  --r-card:18px;
  --r-panel:20px;
  --r-btn:12px;
  --r-img:14px;
  --r-pill:999px;
  --sh-card:0 1px 0 rgba(255,255,255,.04) inset, 0 18px 40px rgba(0,0,0,.45);
  --sh-panel:0 1px 0 rgba(255,255,255,.06) inset, 0 24px 60px rgba(0,0,0,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:180ms;
  --sp-sec:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font);
  color:var(--c-title);
  font-weight:800;
  line-height:1.25;
  margin:0 0 14px;
  letter-spacing:.2px;
}
p{margin:0 0 16px;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--c-primary-hover);text-decoration:underline;}
img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:var(--font);}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
::selection{background:var(--c-primary-30);color:var(--c-title);}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--c-primary);color:#04211D;padding:10px 18px;border-radius:0 0 var(--r-btn) 0;font-weight:700;
}
.skip-link:focus{left:0;}
.lh-container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.grid-x.gx{margin-left:-12px;margin-right:-12px;}
.grid-x.gx>.cell{padding-left:12px;padding-right:12px;}
.sec{padding:var(--sp-sec) 0;position:relative;}
.sec-alt{background:var(--c-bg-alt);}
.sec-alt2{background:var(--c-bg-alt2);}
.sec-line{height:1px;background:linear-gradient(90deg,rgba(15,181,160,0),rgba(15,181,160,.4),rgba(15,181,160,0));border:0;margin:0;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:1.4px;
  color:var(--c-primary);background:var(--c-primary-12);
  border:1px solid var(--c-primary-30);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:18px;
}
.sec-head{max-width:760px;margin-bottom:48px;}
.sec-title{font-size:clamp(24px,3vw,36px);margin-bottom:14px;}
.sec-sub{color:var(--c-muted);font-size:16px;line-height:1.8;margin:0;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.text-link{font-weight:600;font-size:14px;white-space:nowrap;}
.text-link::after{content:"→";display:inline-block;margin-left:6px;transition:transform var(--dur) var(--ease);}
.text-link:hover::after{transform:translateX(4px);}
.text-link:hover{text-decoration:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;text-decoration:none;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn:hover{text-decoration:none;}
.btn-primary{
  background:var(--c-primary);color:#04211D;
  box-shadow:0 0 0 1px rgba(15,181,160,.5), 0 8px 28px rgba(15,181,160,.28);
}
.btn-primary:hover{background:var(--c-primary-hover);color:#04211D;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(15,181,160,.65),0 14px 34px rgba(15,181,160,.4);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(15,181,160,.5),0 6px 16px rgba(15,181,160,.3);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary-40);}
.btn-ghost:hover{background:var(--c-primary-12);color:var(--c-primary-hover);border-color:var(--c-primary);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn-lg{min-height:52px;padding:0 28px;font-size:16px;}
.btn-block{width:100%;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),backdrop-filter var(--dur) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,13,18,.78);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{display:flex;align-items:center;gap:28px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--c-primary) 0%,#0A8E7E 100%);
  color:#04211D;font-weight:800;font-size:13px;letter-spacing:-.5px;
  box-shadow:0 8px 20px rgba(15,181,160,.32);
  transform:rotate(-4deg);
}
.brand-mark span{display:inline-block;transform:rotate(4deg);}
.brand-text{color:var(--c-title);font-weight:800;font-size:17px;letter-spacing:.4px;white-space:nowrap;}
.main-nav{flex:1 1 auto;min-width:0;}
.main-nav ul{display:flex;align-items:center;gap:6px;flex-wrap:nowrap;}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;border-radius:10px;
  color:var(--c-text);font-size:14.5px;font-weight:500;white-space:nowrap;text-decoration:none;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left center;
  transition:transform var(--dur) var(--ease);
}
.nav-link:hover{color:var(--c-title);text-decoration:none;background:rgba(255,255,255,.04);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--c-border);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--c-title);position:relative;border-radius:2px;}
.nav-toggle i::before,.nav-toggle i::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-title);border-radius:2px;}
.nav-toggle i::before{top:-6px;}
.nav-toggle i::after{top:6px;}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,8,11,.66);z-index:130;opacity:0;visibility:hidden;
  transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:140;
  background:rgba(9,15,20,.96);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-left:1px solid var(--c-border);
  transform:translateX(101%);transition:transform 260ms var(--ease);
  display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--c-border-soft);}
.drawer-close{width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--c-border);color:var(--c-title);font-size:20px;line-height:1;cursor:pointer;}
.drawer-nav{padding:8px 0;overflow-y:auto;flex:1 1 auto;}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 20px;
  color:var(--c-text);font-size:15px;border-bottom:1px solid rgba(255,255,255,.06);text-decoration:none;
}
.drawer-nav a:hover{background:rgba(255,255,255,.04);color:var(--c-title);text-decoration:none;}
.drawer-nav a.is-active{color:var(--c-primary);font-weight:700;border-left:3px solid var(--c-primary);padding-left:17px;}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--c-border-soft);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:calc(68px + 80px) 0 96px;
  background:var(--c-bg);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 78% 8%,rgba(15,181,160,.16),transparent 55%),
    radial-gradient(circle at 6% 0%,rgba(242,166,59,.07),transparent 48%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),transparent 72%);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),transparent 72%);
}
.hero .lh-container{position:relative;z-index:2;}
.hero-grid{align-items:center;}
.hero-title{
  font-size:clamp(30px,4.6vw,54px);
  line-height:1.15;
  margin-bottom:20px;
  letter-spacing:-.4px;
}
.hero-title em{font-style:normal;color:var(--c-primary);}
.hero-sub{font-size:17px;line-height:1.75;color:var(--c-text);max-width:32em;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 24px;}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--c-muted);}
.dot-ico{
  width:18px;height:18px;border-radius:6px;flex:0 0 auto;
  background:var(--c-primary-12);border:1px solid var(--c-primary-40);position:relative;
}
.dot-ico::after{
  content:"";position:absolute;left:5px;top:5px;width:6px;height:6px;border-radius:2px;background:var(--c-primary);
}
.hero-media{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--sh-panel);
  background:var(--c-bg-alt2);
  aspect-ratio:4/3;
}
.hero-media>img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-panel);}
.hero-glass{
  position:absolute;left:20px;right:20px;bottom:20px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-top-color:rgba(255,255,255,.08);
  border-radius:16px;padding:18px;
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
}
.glass-title{font-size:13px;font-weight:600;color:var(--c-muted);letter-spacing:1px;margin-bottom:12px;}
.glass-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:12px;}
.stat-badge{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:12px;padding:10px 14px;min-width:86px;
}
.stat-badge .num{display:block;font-size:22px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-badge .lbl{display:block;font-size:12px;color:var(--c-muted);}
.glass-note{font-size:13px;color:var(--c-muted);margin:0;line-height:1.6;}

/* ---------- 理念 / 时间轴 ---------- */
.story-grid{align-items:center;}
.story-list{position:relative;padding-left:26px;}
.story-list::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,var(--c-primary-40),rgba(255,255,255,.06));
}
.story-item{position:relative;padding-bottom:28px;}
.story-item:last-child{padding-bottom:0;}
.story-item::before{
  content:"";position:absolute;left:-26px;top:6px;width:13px;height:13px;border-radius:50%;
  background:var(--c-bg);border:2px solid var(--c-primary);
}
.story-item h3{font-size:19px;margin-bottom:8px;display:flex;align-items:baseline;gap:10px;}
.story-num{font-size:14px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.story-item p{font-size:15.5px;color:var(--c-text);margin:0;}
.story-media{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  border:1px solid rgba(255,255,255,.08);background:var(--c-bg-alt2);aspect-ratio:5/4;
  box-shadow:var(--sh-card);
}
.story-media img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-panel);}
.glass-chip{
  position:absolute;right:18px;bottom:18px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:14px;padding:12px 16px;
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
}
.glass-chip .num{font-size:24px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;display:block;line-height:1.2;}
.glass-chip .lbl{font-size:12px;color:var(--c-muted);}

/* ---------- 卡片 ---------- */
.card{
  background:var(--c-bg-alt);
  border:1px solid var(--c-border-soft);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-2px);border-color:var(--c-primary-30);}
.card-media{position:relative;background:var(--c-bg-alt2);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.card-media.ratio-16x9{aspect-ratio:16/9;}
.card-media.ratio-4x3{aspect-ratio:4/3;}
.card-body{padding:24px 26px 26px;}
.card-title{font-size:19px;margin-bottom:10px;line-height:1.45;}
.card-title a{color:var(--c-title);text-decoration:none;}
.card-title a:hover{color:var(--c-primary);text-decoration:none;}
.card-text{font-size:15px;color:var(--c-muted);margin:0;line-height:1.75;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--c-primary-12);color:var(--c-primary);
  border:1px solid rgba(15,181,160,.22);
  border-radius:var(--r-pill);padding:4px 12px;font-size:12.5px;font-weight:600;letter-spacing:.3px;
}
.badge-accent{background:rgba(242,166,59,.12);color:var(--c-accent);border-color:rgba(242,166,59,.28);}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:18px;flex-wrap:wrap;}
.bento-side{display:flex;flex-direction:column;gap:24px;height:100%;}
.bento-side .card{flex:1 1 0;min-height:0;}
.bento-side .card-media{aspect-ratio:16/9;}
.bento-side .card-body{padding:20px 22px 22px;}
.bento-side .card-title{font-size:17px;}

/* ---------- 数据卡 ---------- */
.metric-card{
  background:var(--c-bg-alt);border:1px solid var(--c-border-soft);
  border-radius:var(--r-card);padding:24px;height:100%;
  position:relative;overflow:hidden;
}
.metric-card::before{
  content:"";position:absolute;top:0;left:24px;width:36px;height:2px;border-radius:2px;background:var(--c-primary);
}
.metric-num{font-size:clamp(28px,3.2vw,38px);font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.15;margin-bottom:6px;}
.metric-label{font-size:13px;color:var(--c-muted);}

/* ---------- 评价 ---------- */
.quote-grid{align-items:stretch;}
.quote-card{
  background:var(--c-bg-alt);border:1px solid var(--c-border-soft);
  border-radius:var(--r-card);padding:26px;height:100%;display:flex;flex-direction:column;
}
.quote-card::before{content:"“";font-size:38px;line-height:1;color:var(--c-primary);opacity:.5;display:block;margin-bottom:6px;}
.quote-text{font-size:15.5px;color:var(--c-text);margin:0 0 20px;flex:1 1 auto;}
.quote-by{display:flex;align-items:center;gap:12px;border-top:1px solid var(--c-border-soft);padding-top:16px;}
.avatar{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(140deg,rgba(15,181,160,.35),rgba(15,181,160,.08));
  border:1px solid var(--c-primary-30);display:grid;place-items:center;
  color:var(--c-primary);font-weight:700;font-size:14px;
}
.quote-name{font-size:14px;font-weight:600;color:var(--c-title);line-height:1.4;}
.quote-role{font-size:12.5px;color:var(--c-muted);}

/* ---------- 最新信息列表 ---------- */
.news-list{display:flex;flex-direction:column;gap:20px;}
.news-item{
  display:flex;gap:22px;align-items:center;
  background:var(--c-bg-alt);border:1px solid var(--c-border-soft);
  border-radius:var(--r-card);padding:20px;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.news-item:hover{transform:translateY(-2px);border-color:var(--c-primary-30);}
.news-thumb{
  flex:0 0 180px;width:180px;height:120px;border-radius:var(--r-img);overflow:hidden;
  background:var(--c-bg-alt2);border:1px solid rgba(255,255,255,.08);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-img);}
.news-body{flex:1 1 auto;min-width:0;}
.news-title{font-size:18px;margin-bottom:8px;line-height:1.45;}
.news-title a{color:var(--c-title);text-decoration:none;}
.news-title a:hover{color:var(--c-primary);text-decoration:none;}
.news-summary{
  font-size:14.5px;color:var(--c-muted);margin:0 0 12px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--c-muted);}
.news-meta time{font-variant-numeric:tabular-nums;}
.news-action{flex:0 0 auto;}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:56px 24px;text-align:center;
  background:var(--c-bg-alt);border:1px dashed var(--c-border);border-radius:var(--r-card);
}
.empty-state .empty-ico{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:var(--c-primary-12);border:1px solid var(--c-primary-30);color:var(--c-primary);font-size:22px;
}
.empty-state p{margin:0;color:var(--c-muted);font-size:15px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion{
  background:transparent;border:0;margin:0;
}
.accordion .accordion-item{
  background:var(--c-bg-alt);
  border:1px solid var(--c-border-soft);
  border-radius:var(--r-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color var(--dur) var(--ease);
}
.accordion .accordion-item:hover{border-color:var(--c-primary-20);}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;border:0;background:transparent;
  color:var(--c-title);font-size:16.5px;font-weight:600;line-height:1.5;
  transition:color var(--dur) var(--ease);
}
.accordion .accordion-title:hover{color:var(--c-primary);background:rgba(255,255,255,.02);text-decoration:none;}
.accordion .accordion-title::before{display:none;}
.accordion .accordion-title::after{
  content:"+";flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--c-primary-40);color:var(--c-primary);
  display:grid;place-items:center;font-size:17px;font-weight:600;line-height:1;
  transition:background var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.accordion .accordion-item.is-active .accordion-title::after{content:"−";background:var(--c-primary-12);}
.accordion .accordion-content{
  padding:0 24px 22px;border-top:1px solid var(--c-border-soft);
  color:var(--c-text);font-size:15px;line-height:1.85;background:transparent;
}
.accordion .accordion-content p{margin:16px 0 0;}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  background:rgba(255,255,255,.05);
  border:1px solid var(--c-border);
  border-radius:var(--r-panel);
  padding:44px;
  box-shadow:var(--sh-panel);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(circle at 20% 20%,rgba(0,0,0,.7),transparent 70%);
  mask-image:radial-gradient(circle at 20% 20%,rgba(0,0,0,.7),transparent 70%);
}
.cta-panel>*{position:relative;z-index:1;}
.cta-title{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.cta-sub{color:var(--c-muted);font-size:15.5px;margin-bottom:20px;}
.cta-points li{
  display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--c-text);margin-bottom:10px;
}
.cta-points li::before{
  content:"";width:8px;height:8px;border-radius:3px;background:var(--c-primary);flex:0 0 auto;margin-top:8px;
}
.cta-form{display:flex;gap:12px;align-items:flex-start;}
.field{flex:1 1 auto;min-width:0;}
.input{
  width:100%;height:48px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  color:var(--c-title);font-size:15px;padding:0 16px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease);
}
.input::placeholder{color:var(--c-muted);}
.input:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px var(--c-primary-20);
  background:rgba(255,255,255,.06);
}
.input.is-error{border-color:var(--c-coral);}
.form-note{font-size:12px;color:var(--c-muted);margin:12px 0 0;line-height:1.6;}
.form-msg{font-size:13px;margin:8px 0 0;color:var(--c-primary);display:none;}
.form-msg.is-error{color:var(--c-coral);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-footer);
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,rgba(15,181,160,0),rgba(15,181,160,.5),rgba(15,181,160,0)) 1;
  padding:72px 0 0;
  color:var(--c-muted);
}
.footer-grid{gap:40px 0;}
.footer-brand .brand{margin-bottom:18px;}
.footer-desc{font-size:14px;line-height:1.8;color:var(--c-muted);margin-bottom:20px;max-width:34em;}
.footer-col h4{font-size:14px;color:var(--c-title);letter-spacing:.6px;margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:var(--c-muted);font-size:14px;text-decoration:none;}
.footer-col a:hover{color:var(--c-primary);text-decoration:underline;}
.footer-note{font-size:13px;line-height:1.8;color:var(--c-muted);}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.06);
  padding:22px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:12.5px;color:var(--c-muted);}
.footer-bottom .clause{font-size:12px;color:#7A8894;}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:110;
  width:48px;height:48px;border-radius:50%;
  background:rgba(255,255,255,.06);border:1px solid var(--c-border);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  color:var(--c-primary);font-size:18px;cursor:pointer;
  display:grid;place-items:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease),transform var(--dur) var(--ease),background var(--dur) var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-primary-12);border-color:var(--c-primary-40);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .brand-text{font-size:16px;}
  .nav-link{padding:8px 10px;font-size:14px;}
}
@media screen and (max-width:991px){
  :root{--sp-sec:72px;}
  .main-nav,.header-actions{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{justify-content:space-between;height:60px;}
  .site-header.is-scrolled{background:rgba(8,13,18,.88);}
  .hero{padding:calc(60px + 56px) 0 72px;}
  .hero-media{aspect-ratio:16/10;margin-top:36px;}
  .story-media{aspect-ratio:16/10;margin-bottom:32px;}
  .news-thumb{flex:0 0 140px;width:140px;height:100px;}
  .cta-panel{padding:32px;}
}
@media screen and (max-width:767px){
  :root{--sp-sec:56px;}
  .lh-container{padding:0 16px;}
  .grid-x.gx{margin-left:-8px;margin-right:-8px;}
  .grid-x.gx>.cell{padding-left:8px;padding-right:8px;}
  .sec-head{margin-bottom:32px;}
  .card-body{padding:20px;}
  .news-item{flex-direction:column;align-items:stretch;gap:14px;}
  .news-thumb{flex:none;width:100%;height:auto;aspect-ratio:16/9;}
  .news-action{align-self:flex-start;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
  .hero-points{gap:10px 18px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:14px;bottom:18px;}
}
@media screen and (max-width:575px){
  .hero-title{font-size:26px;}
  .hero-sub{font-size:15.5px;}
  .hero-cta .btn{width:100%;}
  .stat-badge{flex:1 1 40%;min-width:0;}
  .cta-panel{padding:24px 20px;}
  .accordion .accordion-title{padding:16px 16px;font-size:15.5px;}
  .accordion .accordion-content{padding:0 16px 18px;}
  .quote-card{padding:20px;}
}

/* roulang page: article */
:root{
  --brand:#0FB5A0;
  --brand-hi:#14C9B0;
  --brand-12:rgba(15,181,160,.12);
  --brand-20:rgba(15,181,160,.20);
  --brand-30:rgba(15,181,160,.30);
  --brand-40:rgba(15,181,160,.40);
  --amber:#F2A63B;
  --coral:#FF6B57;
  --bg:#080D12;
  --bg-alt:#0D141B;
  --bg-soft:#111A22;
  --footer-bg:#060A0E;
  --glass:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --text:#F2F7F9;
  --body:#C6D2DA;
  --muted:#8C9BA6;
  --r-card:18px;
  --r-panel:20px;
  --r-btn:12px;
  --r-img:14px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset, 0 18px 40px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(15,181,160,.5), 0 8px 28px rgba(15,181,160,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:180ms;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.7;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img);border:1px solid rgba(255,255,255,.08);background:#111A22;}
a{color:var(--brand);text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--brand-hi);text-decoration:underline;}
h1,h2,h3,h4{color:var(--text);margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:var(--brand-30);color:#fff;}

.lh-container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.gx{margin-left:-12px;margin-right:-12px;}
.gx > .cell{padding-left:12px;padding-right:12px;}

/* ============ 顶部阅读进度 ============ */
.read-progress{position:fixed;top:0;left:0;height:2px;width:0;background:linear-gradient(90deg,var(--brand),var(--brand-hi));z-index:1200;transition:width 90ms linear;box-shadow:0 0 12px var(--brand-40);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1100;
  background:rgba(8,13,18,.55);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.site-header.is-scrolled{background:rgba(8,13,18,.86);border-bottom-color:rgba(255,255,255,.08);}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(140deg,var(--brand) 0%,#0a8d7d 100%);
  box-shadow:0 6px 18px rgba(15,181,160,.35);
  color:#04211d;font-weight:800;font-size:13px;letter-spacing:.4px;
  transform:rotate(-6deg);
}
.brand-mark span{transform:rotate(6deg);display:block;}
.brand-text{color:var(--text);font-weight:800;font-size:17px;letter-spacing:.2px;white-space:nowrap;}
.main-nav{margin-left:auto;}
.main-nav ul{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-block;padding:9px 13px;border-radius:10px;
  color:var(--body);font-size:15px;font-weight:500;white-space:nowrap;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.nav-link:hover{color:var(--text);text-decoration:none;background:rgba(255,255,255,.04);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);color:var(--text);
  align-items:center;justify-content:center;font-size:17px;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.nav-toggle:hover{background:var(--brand-12);border-color:var(--brand-40);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  text-decoration:none;border:1px solid transparent;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn:hover{text-decoration:none;}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--brand);color:#04211d;box-shadow:var(--shadow-glow);}
.btn-primary:hover{background:var(--brand-hi);color:#04211d;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,201,176,.6),0 14px 34px rgba(15,181,160,.4);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--brand-40);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-12);color:var(--brand-hi);border-color:var(--brand);}
.btn-ghost:active{transform:translateY(1px);}
.btn-quiet{background:var(--glass);border-color:var(--line);color:var(--text);}
.btn-quiet:hover{background:rgba(255,255,255,.09);color:var(--text);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,8,11,.66);
  opacity:0;visibility:hidden;transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease);
  z-index:1150;backdrop-filter:blur(2px);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;
  background:#0A1218;border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform 240ms var(--ease);
  z-index:1160;display:flex;flex-direction:column;padding:18px 0 0;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 18px 16px;border-bottom:1px solid var(--line-soft);}
.drawer-close{width:40px;height:40px;border-radius:11px;background:var(--glass);border:1px solid var(--line);color:var(--text);font-size:17px;}
.drawer-close:hover{background:var(--brand-12);border-color:var(--brand-40);}
.drawer-list{flex:1;overflow-y:auto;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 18px;color:var(--body);font-size:15.5px;font-weight:500;
  border-bottom:1px solid var(--line-soft);
}
.drawer-list a:hover{background:var(--brand-12);color:var(--text);text-decoration:none;}
.drawer-list a.is-active{color:var(--brand);}
.drawer-foot{padding:16px 18px calc(18px + env(safe-area-inset-bottom));border-top:1px solid var(--line-soft);}
.drawer-foot .btn{width:100%;}

/* ============ 面包屑 ============ */
.crumb-bar{padding:26px 0 0;}
.crumb{font-size:13px;color:var(--muted);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:flex;align-items:center;gap:8px;color:var(--muted);}
.crumb li+li::before{content:"/";color:rgba(255,255,255,.22);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);text-decoration:none;}
.crumb li[aria-current] span{color:var(--body);}

/* ============ 文章头 ============ */
.article-head{padding:22px 0 34px;}
.article-cat{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;
  background:var(--brand-12);border:1px solid var(--brand-30);
  color:var(--brand);font-size:12.5px;font-weight:600;letter-spacing:.2px;
}
.article-head h1{
  margin:16px 0 0;font-size:clamp(26px,3.6vw,42px);line-height:1.22;
  max-width:22em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;
  margin-top:18px;padding-top:18px;border-top:1px solid var(--line-soft);
  color:var(--muted);font-size:13.5px;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand);font-size:12px;}
.article-meta .num{font-variant-numeric:tabular-nums;}
.article-cover{
  margin-top:28px;border-radius:var(--r-card);overflow:hidden;
  border:1px solid rgba(255,255,255,.08);background:var(--bg-soft);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border:0;border-radius:0;}

/* ============ 正文 ============ */
.article-main{padding:44px 0 8px;}
.article-shell{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;}
.article-body{
  max-width:760px;margin:0 auto;width:100%;
  font-size:16.5px;line-height:1.95;color:var(--body);
  word-break:break-word;overflow-wrap:anywhere;
}
.article-body > * + *{margin-top:20px;}
.article-body h2{
  position:relative;font-size:23px;line-height:1.35;color:var(--text);
  margin-top:40px;margin-bottom:14px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:3px;height:1.05em;border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:18.5px;margin-top:30px;margin-bottom:12px;color:var(--text);}
.article-body h4{font-size:16.5px;margin-top:24px;margin-bottom:10px;color:var(--text);}
.article-body p{margin:0;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body strong{color:var(--text);font-weight:700;}
.article-body ul,.article-body ol{padding-left:0;margin:0;}
.article-body ul li{position:relative;padding-left:20px;margin-top:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--brand);transform:rotate(45deg);
}
.article-body ol{counter-reset:olc;list-style:none;}
.article-body ol li{position:relative;padding-left:34px;margin-top:10px;counter-increment:olc;}
.article-body ol li::before{
  content:counter(olc);position:absolute;left:0;top:.35em;
  width:22px;height:22px;border-radius:7px;display:grid;place-items:center;
  background:var(--brand-12);border:1px solid var(--brand-30);
  color:var(--brand);font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:26px 0;padding:20px 22px;border-left:3px solid var(--brand);
  background:rgba(15,181,160,.06);border-radius:0 var(--r-btn) var(--r-btn) 0;
  color:var(--body);
}
.article-body blockquote p{margin:0;}
.article-body img{margin:26px auto;border-radius:var(--r-img);}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body code{
  background:rgba(255,255,255,.06);border:1px solid var(--line-soft);
  padding:2px 7px;border-radius:6px;font-size:14px;color:var(--brand-hi);
}
.article-body pre{
  background:#0A1016;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:18px;overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body pre code{background:none;border:0;padding:0;color:var(--body);}
.article-body .table-wrap{overflow-x:auto;margin:26px 0;border:1px solid var(--line);border-radius:var(--r-btn);}
.article-body table{width:100%;border-collapse:collapse;min-width:520px;font-size:14.5px;}
.article-body th{background:rgba(15,181,160,.10);color:var(--text);text-align:left;font-weight:700;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line-soft);}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{border:0;height:1px;background:linear-gradient(90deg,transparent,var(--brand-40),transparent);margin:36px 0;}

/* 文章交互区 */
.article-actions{
  max-width:760px;margin:40px auto 0;padding-top:26px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.tag-group{display:flex;flex-wrap:wrap;gap:9px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--brand-12);color:var(--brand);border:1px solid transparent;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.tag:hover{border-color:var(--brand-30);background:var(--brand-20);text-decoration:none;color:var(--brand-hi);}
.share-group{display:flex;flex-wrap:wrap;gap:9px;}
.share-btn{
  display:inline-flex;align-items:center;gap:7px;
  height:40px;padding:0 15px;border-radius:var(--r-btn);
  background:var(--glass);border:1px solid var(--line);color:var(--body);
  font-size:13.5px;font-weight:600;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.share-btn:hover{background:var(--brand-12);border-color:var(--brand-40);color:var(--brand);text-decoration:none;}
.nav-post{max-width:760px;margin:26px auto 0;display:flex;flex-wrap:wrap;gap:12px;}

/* 空态 */
.empty-note{
  max-width:760px;margin:0 auto;padding:52px 28px;text-align:center;
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-panel);
}
.empty-note i{font-size:30px;color:var(--brand);}
.empty-note h3{margin:16px 0 8px;font-size:19px;}
.empty-note p{color:var(--muted);font-size:14.5px;}
.empty-note .btn{margin-top:22px;}

/* ============ 相关推荐 ============ */
.related{padding:84px 0 96px;}
.section-divider{height:1px;background:linear-gradient(90deg,transparent,var(--brand-40),transparent);border:0;margin:0;}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);}
.sec-head p{margin-top:10px;color:var(--muted);font-size:14.5px;}
.related-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-card);text-decoration:none;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.rel-card:hover{transform:translateY(-3px);border-color:var(--brand-30);box-shadow:0 1px 0 rgba(255,255,255,.04) inset,0 22px 48px rgba(0,0,0,.55);text-decoration:none;}
.rel-card img{width:100%;aspect-ratio:3/2;object-fit:cover;border:0;border-radius:0;}
.rel-body{padding:20px 22px 22px;}
.rel-body .tag{margin-bottom:12px;}
.rel-body h3{font-size:17px;line-height:1.45;color:var(--text);}
.rel-card:hover .rel-body h3{color:var(--brand-hi);}
.rel-body p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.75;}
.rel-more{
  margin-top:14px;display:inline-flex;align-items:center;gap:7px;
  color:var(--brand);font-size:13.5px;font-weight:600;
}
.rel-more i{transition:transform var(--dur) var(--ease);}
.rel-card:hover .rel-more i{transform:translateX(4px);}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:22px;bottom:26px;width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;z-index:1000;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--brand);
  backdrop-filter:blur(14px) saturate(140%);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease),transform var(--dur) var(--ease),background var(--dur) var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand-20);border-color:var(--brand-40);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--footer-bg);
  border-top:1px solid rgba(255,255,255,.06);
  position:relative;padding:64px 0 28px;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--brand-40),transparent);
}
.footer-grid{gap:36px 0;}
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;}
.footer-brand .brand{margin-bottom:16px;}
.footer-desc{color:var(--muted);font-size:14px;line-height:1.8;max-width:34em;margin-bottom:20px;}
.footer-col h4{font-size:15px;color:var(--text);margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{color:var(--muted);font-size:14px;}
.footer-col ul a:hover{color:var(--brand);text-decoration:none;}
.footer-note{margin-top:16px;color:#6E7C88;font-size:12.5px;line-height:1.75;max-width:30em;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.06);
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  color:var(--muted);font-size:13px;
}
.footer-bottom .clause{font-size:12px;color:#6E7C88;}

/* ============ 响应式 ============ */
@media (max-width:991px){
  .lh-container{padding:0 20px;}
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-ghost{display:none;}
  .related-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .related{padding:72px 0 84px;}
}
@media (max-width:767px){
  .header-inner{height:60px;gap:12px;}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:12px;border-radius:10px;}
  .brand-text{font-size:15.5px;}
  .header-actions .btn-primary{display:none;}
  .article-main{padding:32px 0 4px;}
  .article-body{font-size:16px;line-height:1.9;}
  .article-body h2{font-size:20.5px;margin-top:34px;}
  .article-body h3{font-size:17.5px;}
  .article-actions{flex-direction:column;align-items:flex-start;}
  .related-list{grid-template-columns:minmax(0,1fr);}
  .related{padding:60px 0 72px;}
  .to-top{right:16px;bottom:18px;width:44px;height:44px;}
}
@media (max-width:575px){
  .lh-container{padding:0 16px;}
  .article-head h1{font-size:24px;}
  .crumb-bar{padding-top:20px;}
  .article-meta{gap:8px 14px;font-size:13px;}
  .empty-note{padding:40px 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (min-width:1200px){
  .article-body{font-size:16.5px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0FB5A0;
  --c-primary-hi:#14C9B0;
  --c-primary-12:rgba(15,181,160,.12);
  --c-primary-20:rgba(15,181,160,.20);
  --c-primary-30:rgba(15,181,160,.30);
  --c-primary-40:rgba(15,181,160,.40);
  --c-amber:#F2A63B;
  --c-coral:#FF6B57;
  --bg-0:#080D12;
  --bg-1:#0D141B;
  --bg-2:#111A22;
  --bg-footer:#060A0E;
  --glass:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --t-title:#F2F7F9;
  --t-body:#C6D2DA;
  --t-muted:#8C9BA6;
  --r-card:18px;
  --r-panel:20px;
  --r-btn:12px;
  --r-img:14px;
  --r-pill:999px;
  --sh-card:inset 0 1px 0 rgba(255,255,255,.04), 0 18px 40px rgba(0,0,0,.45);
  --sh-glass:inset 0 1px 0 rgba(255,255,255,.08), 0 22px 50px rgba(0,0,0,.5);
  --t-fast:180ms cubic-bezier(.2,.7,.3,1);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t-body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden;}
img{max-width:100%;display:block;border:1px solid rgba(255,255,255,.08);border-radius:var(--r-img);background:var(--bg-2);object-fit:cover;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t-fast);}
a:hover{color:var(--c-primary-hi);text-decoration:underline;}
h1,h2,h3,h4{color:var(--t-title);margin:0;line-height:1.28;font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}
.lh-container{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%;}
.section{padding:96px 0;position:relative;}
.section-alt{background:var(--bg-1);}
.section-deep{background:var(--bg-2);}
.section + .section::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(15,181,160,0),var(--c-primary-40),rgba(15,181,160,0));
}
.section-head{max-width:720px;margin-bottom:48px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1.2px;
  color:var(--c-primary);text-transform:uppercase;
  background:var(--c-primary-12);border:1px solid var(--c-primary-30);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;margin-bottom:12px;}
.section-sub{color:var(--t-muted);font-size:16px;max-width:60ch;}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--t-fast),color var(--t-fast),border-color var(--t-fast),box-shadow var(--t-fast),transform var(--t-fast);
}
.btn i{font-size:14px;}
.btn-primary{
  background:var(--c-primary);color:#062019;
  box-shadow:0 0 0 1px rgba(15,181,160,.5),0 8px 28px rgba(15,181,160,.28);
}
.btn-primary:hover,.btn-primary:focus-visible{
  background:var(--c-primary-hi);color:#04150f;text-decoration:none;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(20,201,176,.6),0 14px 36px rgba(15,181,160,.4);
}
.btn-primary:active{transform:translateY(-1px);}
.btn-ghost{
  background:transparent;color:var(--c-primary);border-color:var(--c-primary-40);
}
.btn-ghost:hover,.btn-ghost:focus-visible{
  background:var(--c-primary-12);color:var(--c-primary-hi);text-decoration:none;
  border-color:var(--c-primary);transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-lg{height:50px;padding:0 26px;font-size:16px;}
.btn-block{width:100%;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.link-more i{transition:transform var(--t-fast);}
.link-more:hover i{transform:translateX(4px);}
/* ============ 页头导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:68px;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--t-fast),border-color var(--t-fast),backdrop-filter var(--t-fast);
}
.site-header.is-scrolled{
  background:rgba(8,13,18,.78);
  border-bottom:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}
.header-inner{height:68px;display:flex;align-items:center;gap:28px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--t-title);font-weight:800;text-decoration:none;}
.brand:hover{text-decoration:none;color:var(--t-title);}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:linear-gradient(140deg,var(--c-primary),#0a7f74);
  display:grid;place-items:center;
  box-shadow:0 6px 18px rgba(15,181,160,.35);
}
.brand-mark span{font-size:13px;font-weight:800;color:#04150f;letter-spacing:.5px;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.4px;}
.main-nav{margin-left:auto;}
.main-nav ul{display:flex;align-items:center;gap:6px;}
.main-nav .nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  color:var(--t-body);font-size:15px;font-weight:500;border-radius:10px;text-decoration:none;
  transition:color var(--t-fast),background var(--t-fast);
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--c-primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform var(--t-fast);
}
.main-nav .nav-link:hover{color:var(--t-title);background:rgba(255,255,255,.04);text-decoration:none;}
.main-nav .nav-link:hover::after{transform:scaleX(1);}
.main-nav .nav-link.is-active{color:var(--c-primary);}
.main-nav .nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  padding:0;position:relative;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:2px;background:var(--t-title);border-radius:2px;
  transition:transform var(--t-fast),opacity var(--t-fast);
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,8,12,.7);z-index:70;
  opacity:0;transition:opacity var(--t-fast);
}
.drawer-mask.is-open{opacity:1;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:80;
  background:rgba(9,15,20,.96);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform 260ms cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;padding:20px;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line-soft);}
.drawer-close{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--t-title);}
.drawer-nav{padding:8px 0;flex:1;overflow-y:auto;}
.drawer-nav a{
  display:flex;align-items:center;height:48px;color:var(--t-body);font-size:16px;
  border-bottom:1px solid var(--line-soft);text-decoration:none;
}
.drawer-nav a:hover{color:var(--c-primary);text-decoration:none;}
.drawer-nav a.is-active{color:var(--c-primary);font-weight:600;}
.drawer-foot{padding-top:16px;}
/* ============ 页内横幅 ============ */
.page-banner{
  position:relative;overflow:hidden;
  padding:calc(68px + 72px) 0 88px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 420px at 20% 0%,rgba(15,181,160,.22),transparent 65%),
             linear-gradient(180deg,rgba(8,13,18,.86) 0%,rgba(8,13,18,.92) 60%,var(--bg-0) 100%);
}
.page-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(70% 60% at 50% 20%,#000,transparent);
  -webkit-mask-image:radial-gradient(70% 60% at 50% 20%,#000,transparent);
}
.banner-inner{position:relative;z-index:2;max-width:820px;}
.crumbs{margin-bottom:22px;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-muted);}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li + li::before{content:"/";color:rgba(255,255,255,.22);}
.crumbs a{color:var(--t-muted);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .current{color:var(--t-body);}
.page-banner h1{
  font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.18;margin-bottom:16px;
}
.page-banner .lede{font-size:17px;color:var(--t-body);max-width:34em;margin-bottom:26px;}
.banner-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-primary-12);color:var(--c-primary);
  font-size:13px;font-weight:500;border:1px solid var(--c-primary-30);
}
.tag-amber{background:rgba(242,166,59,.12);color:var(--c-amber);border-color:rgba(242,166,59,.32);}
/* ============ 数据条 ============ */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-card);position:relative;overflow:hidden;
  transition:transform var(--t-fast),border-color var(--t-fast);
}
.metric::before{
  content:"";position:absolute;top:0;left:24px;width:36px;height:2px;background:var(--c-primary);border-radius:2px;
}
.metric:hover{transform:translateY(-2px);border-color:var(--c-primary-30);}
.metric .value{
  font-size:clamp(28px,3.2vw,38px);font-weight:800;color:var(--c-primary);
  line-height:1.1;font-variant-numeric:tabular-nums;margin-bottom:8px;
}
.metric .label{font-size:13px;color:var(--t-muted);}
/* ============ 步骤条 ============ */
.step-list{display:flex;flex-direction:column;gap:18px;}
.step-item{
  display:flex;gap:24px;align-items:flex-start;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 28px;box-shadow:var(--sh-card);
  transition:transform var(--t-fast),border-color var(--t-fast),background var(--t-fast);
}
.step-item:hover{transform:translateY(-2px);border-color:var(--c-primary-30);background:var(--bg-1);}
.step-num{
  flex:0 0 auto;font-size:28px;font-weight:800;color:var(--c-primary);
  font-variant-numeric:tabular-nums;line-height:1;padding-top:4px;min-width:52px;
}
.step-body h3{font-size:19px;font-weight:700;margin-bottom:8px;}
.step-body p{font-size:15px;color:var(--t-body);max-width:70ch;}
.step-body .hint{
  margin-top:12px;display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--t-muted);
}
.step-body .hint i{color:var(--c-primary);}
/* ============ 图文交替 ============ */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.split + .split{margin-top:88px;}
.split.reverse .split-media{order:2;}
.split.reverse .split-body{order:1;}
.split-media{position:relative;border-radius:var(--r-panel);overflow:hidden;}
.split-media img{aspect-ratio:4/3;width:100%;border-radius:var(--r-panel);}
.split-media .float-badge{
  position:absolute;left:18px;bottom:18px;
  display:flex;align-items:center;gap:10px;
  padding:12px 16px;border-radius:14px;
  background:rgba(8,13,18,.72);border:1px solid var(--line);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--sh-glass);
}
.split-media .float-badge .n{font-size:20px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1;}
.split-media .float-badge .t{font-size:12px;color:var(--t-muted);line-height:1.4;}
.split-body h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;margin-bottom:14px;}
.split-body p{font-size:16px;color:var(--t-body);margin-bottom:16px;}
.check-list{display:flex;flex-direction:column;gap:10px;margin-top:20px;}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--t-body);}
.check-list i{color:var(--c-primary);font-size:14px;margin-top:5px;}
/* ============ 准备清单卡片 ============ */
.prep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.prep-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-card);
  transition:transform var(--t-fast),border-color var(--t-fast);
}
.prep-card:hover{transform:translateY(-2px);border-color:var(--c-primary-30);}
.prep-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--c-primary-12);border:1px solid var(--c-primary-30);
  color:var(--c-primary);font-size:18px;margin-bottom:16px;
}
.prep-card h3{font-size:18px;margin-bottom:10px;}
.prep-card p{font-size:15px;color:var(--t-muted);}
/* ============ CTA 面板 ============ */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--r-panel);border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(15,181,160,.14),rgba(8,13,18,.9) 55%);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--sh-glass);
  padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-panel::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.4;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(60% 80% at 80% 50%,#000,transparent);
  -webkit-mask-image:radial-gradient(60% 80% at 80% 50%,#000,transparent);
}
.cta-copy{position:relative;z-index:2;max-width:56ch;}
.cta-copy h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;margin-bottom:12px;}
.cta-copy p{color:var(--t-body);font-size:16px;}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}
/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-footer);
  padding:72px 0 32px;
  position:relative;
  color:var(--t-muted);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(15,181,160,0),var(--c-primary-40),rgba(15,181,160,0));
}
.footer-grid{gap:40px 24px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-desc{font-size:15px;color:var(--t-muted);max-width:42ch;margin-bottom:20px;}
.footer-col h4{font-size:15px;color:var(--t-title);margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:var(--t-muted);font-size:15px;}
.footer-col ul a:hover{color:var(--c-primary);text-decoration:none;}
.footer-note{font-size:13px;color:var(--t-muted);margin-top:16px;max-width:40ch;line-height:1.7;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--t-muted);
}
.footer-bottom .clause{color:#79868f;}
/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:55;
  width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(13,20,27,.82);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  color:var(--c-primary);font-size:16px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--t-fast),transform var(--t-fast),visibility var(--t-fast),border-color var(--t-fast);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{border-color:var(--c-primary);color:var(--c-primary-hi);}
/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .section{padding:88px 0;}
  .split{gap:40px;}
}
@media screen and (max-width:991px){
  .main-nav,.header-actions{display:none;}
  .nav-toggle{display:block;margin-left:auto;}
  .section{padding:72px 0;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .prep-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:28px;}
  .split.reverse .split-media{order:1;}
  .split.reverse .split-body{order:2;}
  .split + .split{margin-top:64px;}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .footer-grid{gap:32px;}
}
@media screen and (max-width:575px){
  .lh-container{padding:0 16px;}
  .section{padding:56px 0;}
  .page-banner{padding:calc(60px + 48px) 0 56px;}
  .page-banner .lede{font-size:16px;}
  .banner-cta .btn,.cta-actions .btn{width:100%;}
  .metrics{grid-template-columns:1fr;}
  .prep-grid{grid-template-columns:1fr;}
  .step-item{flex-direction:column;gap:12px;padding:22px 20px;}
  .step-num{font-size:24px;}
  .cta-panel{padding:32px 22px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .to-top{right:14px;bottom:18px;}
}

/* roulang page: category2 */
:root{
  --brand:#0FB5A0;
  --brand-hi:#14C9B0;
  --brand-soft:rgba(15,181,160,.12);
  --brand-line:rgba(15,181,160,.30);
  --brand-glow:0 0 0 1px rgba(15,181,160,.5), 0 8px 28px rgba(15,181,160,.28);
  --amber:#F2A63B;
  --coral:#FF6B57;
  --bg:#080D12;
  --bg-alt:#0D141B;
  --bg-alt2:#111A22;
  --footer-bg:#060A0E;
  --text:#F2F7F9;
  --body-text:#C6D2DA;
  --muted:#8C9BA6;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --glass:rgba(255,255,255,.05);
  --r-card:18px;
  --r-panel:20px;
  --r-btn:12px;
  --r-img:14px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset, 0 18px 40px rgba(0,0,0,.45);
  --shadow-soft:0 1px 0 rgba(255,255,255,.03) inset, 0 10px 26px rgba(0,0,0,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:180ms;
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--body-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.7;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:700;line-height:1.25;letter-spacing:.2px;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease),border-color var(--dur) var(--ease);}
a:hover{color:var(--brand-hi);}
a:focus-visible,button:focus-visible,input:focus-visible,.nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
img{max-width:100%;display:block;background:var(--bg-alt2);}
button{font-family:inherit;cursor:pointer;}
table{border-collapse:collapse;width:100%;}
strong{color:var(--text);font-weight:600;}

.lh-container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.3px;
  border:1px solid transparent;background:none;color:var(--text);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
  text-align:center;
}
.btn-primary{background:var(--brand);color:#04120F;box-shadow:var(--brand-glow);}
.btn-primary:hover{background:var(--brand-hi);color:#04120F;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,201,176,.6),0 12px 34px rgba(15,181,160,.36);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(15,181,160,.5),0 4px 14px rgba(15,181,160,.22);}
.btn-ghost{background:transparent;border-color:var(--brand-line);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-hi);border-color:rgba(20,201,176,.55);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn-lg{min-height:50px;padding:0 26px;font-size:16px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,13,18,.78);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 12px 30px rgba(0,0,0,.4);
}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),#0A8577);
  color:#04120F;font-weight:800;font-size:13px;letter-spacing:.5px;
  box-shadow:0 6px 18px rgba(15,181,160,.32);
  transform:rotate(-6deg);
}
.brand-mark span{transform:rotate(6deg);}
.brand-text{color:var(--text);font-weight:800;font-size:17px;letter-spacing:.4px;}
.brand:hover .brand-text{color:var(--brand-hi);}
.main-nav{margin-left:auto;}
.main-nav ul{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;
  color:var(--body-text);font-size:15px;font-weight:500;border-radius:8px;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left center;
  transition:transform var(--dur) var(--ease);
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:8px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--glass);color:var(--text);font-size:18px;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--brand-line);color:var(--brand-hi);}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,7,10,.68);opacity:0;visibility:hidden;
  transition:opacity 220ms var(--ease),visibility 220ms var(--ease);z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:80;
  background:#0B1218;border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform 260ms var(--ease);
  display:flex;flex-direction:column;padding:20px 0 0;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 16px;border-bottom:1px solid var(--line-soft);}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--glass);color:var(--text);font-size:16px;}
.drawer-close:hover{color:var(--brand-hi);border-color:var(--brand-line);}
.drawer-nav{padding:8px 0;overflow-y:auto;}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 20px;color:var(--body-text);
  font-size:15px;border-bottom:1px solid var(--line-soft);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--brand-hi);background:var(--brand-soft);}
.drawer-foot{margin-top:auto;padding:16px 20px 24px;border-top:1px solid var(--line-soft);}
.drawer-foot .btn{width:100%;}

/* ---------- 面包屑 ---------- */
.crumbs-wrap{padding-top:96px;background:linear-gradient(180deg,#0A1016 0%,var(--bg) 100%);}
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--muted);padding:14px 0 0;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand-hi);}
.crumbs .sep{color:rgba(255,255,255,.22);}
.crumbs .current{color:var(--body-text);}

/* ---------- 横幅 ---------- */
.banner{
  position:relative;margin-top:16px;border-radius:var(--r-panel);overflow:hidden;
  border:1px solid var(--line);
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  min-height:340px;display:flex;align-items:flex-end;
  box-shadow:var(--shadow-card);
}
.banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(8,13,18,.94) 0%,rgba(8,13,18,.78) 46%,rgba(8,13,18,.42) 100%);
}
.banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:56px 56px;opacity:.35;
}
.banner-inner{position:relative;z-index:2;padding:40px 40px 44px;max-width:760px;}
.banner h1{font-size:clamp(28px,3.6vw,44px);font-weight:800;letter-spacing:.4px;margin-bottom:14px;}
.banner .banner-sub{font-size:16px;color:var(--body-text);max-width:34em;margin-bottom:24px;}
.banner-cta{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section.alt{background:var(--bg-alt);}
.section.alt2{background:var(--bg-alt2);}
.divider{height:1px;border:0;margin:0;background:linear-gradient(90deg,transparent 0%,rgba(15,181,160,.4) 50%,transparent 100%);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1px;color:var(--brand);
  background:var(--brand-soft);border:1px solid rgba(15,181,160,.22);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;}
.gx{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;}
.gx > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px;}

/* ---------- 概览 ---------- */
.overview-media{position:relative;border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--line);}
.overview-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-panel);border:1px solid rgba(255,255,255,.08);}
.overview-badges{
  position:absolute;left:18px;bottom:18px;display:flex;gap:10px;flex-wrap:wrap;
}
.stat-badge{
  background:rgba(10,16,22,.72);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);
  border-top:1px solid rgba(255,255,255,.08);
  border-radius:14px;padding:10px 14px;min-width:96px;
}
.stat-num{display:block;font-size:20px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.5px;}
.stat-label{display:block;font-size:12px;color:var(--muted);margin-top:2px;}
.overview-list{margin-top:22px;}
.overview-list li{position:relative;padding-left:22px;margin-bottom:12px;font-size:15px;color:var(--body-text);}
.overview-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(15,181,160,.5);
}

/* ---------- 模块卡 ---------- */
.module-grid{display:flex;flex-wrap:wrap;gap:24px;}
.module-grid > .module-col{flex:1 1 calc(50% - 12px);max-width:calc(50% - 12px);}
.module-card{
  height:100%;background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;display:flex;flex-direction:column;gap:14px;position:relative;overflow:hidden;
  box-shadow:var(--shadow-soft);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.module-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand),transparent);
  opacity:.6;
}
.module-card:hover{transform:translateY(-4px);border-color:var(--brand-line);box-shadow:var(--shadow-card);}
.module-icon{
  width:46px;height:46px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);border:1px solid rgba(15,181,160,.24);color:var(--brand);font-size:18px;
}
.module-card h3{font-size:19px;}
.module-card p{color:var(--muted);font-size:15px;margin-bottom:0;}
.module-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand);
}
.module-link i{transition:transform var(--dur) var(--ease);font-size:12px;}
.module-link:hover{color:var(--brand-hi);}
.module-link:hover i{transform:translateX(4px);}
.module-card.is-highlight{
  background:linear-gradient(140deg,var(--brand),#0B8F80);
  border-color:rgba(255,255,255,.22);
}
.module-card.is-highlight::before{background:linear-gradient(90deg,rgba(255,255,255,.7),transparent);opacity:.8;}
.module-card.is-highlight h3,.module-card.is-highlight p{color:#04120F;}
.module-card.is-highlight p{color:rgba(4,18,15,.78);}
.module-card.is-highlight .module-icon{background:rgba(4,18,15,.16);border-color:rgba(4,18,15,.22);color:#04120F;}
.module-card.is-highlight .module-link{color:#04120F;}
.module-card.is-highlight .module-link:hover{color:#052A24;}

/* ---------- 对比表 ---------- */
.table-frame{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-alt);
  overflow:hidden;box-shadow:var(--shadow-soft);
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.table-scroll table{min-width:720px;font-size:15px;}
.table-scroll thead th{
  background:rgba(15,181,160,.10);color:var(--text);font-weight:600;font-size:14px;
  text-align:left;padding:16px 20px;letter-spacing:.4px;border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.table-scroll tbody td{
  padding:16px 20px;border-bottom:1px solid var(--line-soft);color:var(--body-text);vertical-align:top;
}
.table-scroll tbody tr:last-child td{border-bottom:0;}
.table-scroll tbody tr:hover td{background:rgba(255,255,255,.03);}
.table-scroll tbody td:first-child{color:var(--text);font-weight:600;white-space:nowrap;}
.table-hint{font-size:13px;color:var(--muted);margin-top:12px;}

/* ---------- 徽章行 ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.pill{
  display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:999px;
  background:var(--brand-soft);border:1px solid rgba(15,181,160,.24);color:var(--body-text);font-size:14px;font-weight:500;
}
.pill i{color:var(--brand);font-size:14px;}
.pill strong{color:var(--text);font-weight:600;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,rgba(15,181,160,.6),rgba(15,181,160,.05));
}
.tl-item{position:relative;padding-bottom:32px;}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:absolute;left:-34px;top:0;width:24px;height:24px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-alt2);border:1px solid var(--brand-line);color:var(--brand);
  font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;
}
.tl-item h4{font-size:18px;margin-bottom:8px;}
.tl-item p{color:var(--muted);font-size:15px;margin-bottom:0;}

/* ---------- CTA 面板 ---------- */
.cta-panel{
  display:flex;flex-wrap:wrap;gap:32px;align-items:center;
  background:var(--glass);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border:1px solid var(--line);border-top:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-panel);padding:48px;position:relative;overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:56px 56px;opacity:.28;
}
.cta-copy{flex:1 1 380px;position:relative;z-index:2;}
.cta-copy h2{font-size:clamp(22px,2.4vw,32px);margin-bottom:14px;}
.cta-copy > p{color:var(--body-text);max-width:36em;}
.cta-actions{flex:0 1 320px;display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--footer-bg);border-top:1px solid transparent;
  position:relative;color:var(--muted);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(15,181,160,.55),transparent);
}
.site-footer .lh-container{padding-top:64px;padding-bottom:28px;}
.footer-grid{padding-bottom:36px;border-bottom:1px solid var(--line-soft);}
.footer-brand .brand{margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--muted);max-width:34em;margin-bottom:18px;}
.footer-col h4{font-size:15px;color:var(--text);margin-bottom:16px;letter-spacing:.4px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:var(--muted);font-size:14px;}
.footer-col ul a:hover{color:var(--brand-hi);}
.footer-note{font-size:13px;color:rgba(140,155,166,.85);margin-top:14px;max-width:28em;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  padding-top:22px;font-size:13px;color:var(--muted);
}
.clause{font-size:12px;color:rgba(140,155,166,.8);}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;z-index:50;
  background:rgba(13,20,27,.72);border:1px solid var(--line);color:var(--brand);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity 220ms var(--ease),visibility 220ms var(--ease),transform 220ms var(--ease),border-color var(--dur) var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{border-color:var(--brand-line);color:var(--brand-hi);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .section{padding:88px 0;}
}
@media screen and (max-width:991px){
  .main-nav{display:none;}
  .header-actions .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:60px;}
  .section{padding:72px 0;}
  .banner-inner{padding:32px 28px 36px;}
  .cta-panel{padding:36px;}
  .module-grid > .module-col{flex:1 1 100%;max-width:100%;}
}
@media screen and (max-width:767px){
  .lh-container{padding:0 16px;}
  .crumbs-wrap{padding-top:84px;}
  .section{padding:60px 0;}
  .section-head{margin-bottom:32px;}
  .banner{min-height:300px;border-radius:16px;}
  .banner-inner{padding:26px 20px 30px;}
  .banner .banner-sub{font-size:15px;}
  .module-card{padding:22px;}
  .cta-panel{padding:26px;gap:22px;}
  .cta-actions{flex:1 1 100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .overview-badges{position:static;margin-top:14px;left:0;bottom:0;}
  .footer-grid{padding-bottom:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:16px;}
}
@media screen and (max-width:575px){
  body{font-size:15px;}
  .brand-text{font-size:15px;}
  .section{padding:52px 0;}
  .banner h1{font-size:26px;}
  .btn{width:100%;}
  .banner-cta .btn,.header-actions .btn{width:auto;}
  .timeline{padding-left:28px;}
  .tl-num{left:-28px;width:22px;height:22px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#0FB5A0;
  --c-primary-hi:#14C9B0;
  --c-primary-deep:#0A8D7D;
  --c-primary-12:rgba(15,181,160,.12);
  --c-primary-20:rgba(15,181,160,.20);
  --c-primary-30:rgba(15,181,160,.30);
  --c-amber:#F2A63B;
  --c-coral:#FF6B57;
  --bg:#080D12;
  --bg-alt:#0D141B;
  --bg-alt2:#111A22;
  --bg-footer:#060A0E;
  --txt:#F2F7F9;
  --txt-body:#C6D2DA;
  --txt-muted:#8C9BA6;
  --glass:rgba(255,255,255,.05);
  --glass-bd:rgba(255,255,255,.10);
  --line:rgba(255,255,255,.08);
  --r-card:18px;
  --r-panel:20px;
  --r-btn:12px;
  --r-img:14px;
  --r-pill:999px;
  --sh-card:inset 0 1px 0 rgba(255,255,255,.04), 0 18px 40px rgba(0,0,0,.45);
  --sh-soft:0 10px 26px rgba(0,0,0,.35);
  --sh-glow:0 0 0 1px rgba(15,181,160,.5), 0 8px 28px rgba(15,181,160,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:180ms;
  --nav-h:68px;
  --sp-section:104px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt-body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block;background:#111A22}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t) var(--ease)}
a:hover{color:var(--c-primary-hi)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(15,181,160,.35);color:#fff}
.lh-container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),backdrop-filter .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,13,18,.78);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:var(--nav-h)}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--txt);font-weight:800;flex:0 0 auto}
.brand:hover{color:var(--txt)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#12C7AE,#0A8D7D);
  color:#04211E;font-size:13px;font-weight:800;letter-spacing:.5px;
  box-shadow:0 0 0 1px rgba(255,255,255,.12),0 10px 24px rgba(15,181,160,.28);
}
.brand-text{font-size:18px;letter-spacing:.2px;white-space:nowrap}
.nav-desktop{flex:1 1 auto;display:flex;justify-content:center}
.main-nav ul{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;display:inline-block;padding:8px 2px;
  color:var(--txt-body);font-size:15px;font-weight:500;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:2px;height:2px;width:100%;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t) var(--ease);border-radius:2px;
}
.nav-link:hover{color:var(--txt)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--glass-bd);cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--txt);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--txt);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,8,11,.66);z-index:70;
  opacity:0;pointer-events:none;transition:opacity .25s var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.nav-drawer{
  position:fixed;top:0;right:0;width:84vw;max-width:360px;height:100vh;z-index:80;
  background:#0B1219;border-left:1px solid var(--glass-bd);
  display:flex;flex-direction:column;padding:20px 20px 24px;
  transform:translateX(102%);transition:transform .28s var(--ease);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.06)}
.drawer-close{width:40px;height:40px;border-radius:10px;background:var(--glass);border:1px solid var(--glass-bd);color:var(--txt);font-size:18px;cursor:pointer}
.drawer-list{margin-top:8px;flex:1 1 auto;overflow-y:auto}
.drawer-list a{
  display:flex;align-items:center;height:48px;color:var(--txt-body);font-size:15px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.drawer-list a.is-active{color:var(--c-primary)}
.drawer-cta{margin-top:16px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;cursor:pointer;
  border:1px solid transparent;background:none;
  transition:transform var(--t) var(--ease),background var(--t) var(--ease),box-shadow var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.btn-primary{background:var(--c-primary);color:#04211E;box-shadow:var(--sh-glow)}
.btn-primary:hover{background:var(--c-primary-hi);color:#04211E;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,201,176,.6),0 14px 34px rgba(15,181,160,.4)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--c-primary-30);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-12);color:var(--c-primary-hi);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-section) 0;position:relative}
.section-alt{background:var(--bg-alt)}
.section-alt2{background:var(--bg-alt2)}
.divider-glow{height:1px;border:0;background:linear-gradient(90deg,transparent,rgba(15,181,160,.4),transparent)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;color:var(--txt);font-weight:700;letter-spacing:.2px}
.sec-head p{margin-top:14px;font-size:16px;color:var(--txt-muted);line-height:1.8}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-primary-12);color:var(--c-primary);font-size:12px;font-weight:600;letter-spacing:.6px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary)}

/* ============ 面包屑 ============ */
.crumbs{padding:16px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--txt-muted)}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:rgba(140,155,166,.6)}
.crumbs a{color:var(--txt-muted)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs [aria-current="page"]{color:var(--txt-body)}

/* ============ 页面横幅 ============ */
.page-hero{
  position:relative;
  padding:26px 0 88px;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  isolation:isolate;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(180deg,rgba(6,10,14,.86),rgba(8,13,18,.94)),
    radial-gradient(1000px 420px at 18% 0%,rgba(15,181,160,.18),transparent 70%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;opacity:.4;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(700px 320px at 70% 20%,#000,transparent 75%);
  mask-image:radial-gradient(700px 320px at 70% 20%,#000,transparent 75%);
}
.page-hero h1{
  margin-top:26px;font-size:clamp(28px,3.8vw,46px);line-height:1.18;
  color:var(--txt);font-weight:800;letter-spacing:.4px;max-width:20em;
}
.page-hero-desc{margin-top:16px;font-size:17px;line-height:1.8;color:var(--txt-body);max-width:34em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.chip{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--glass-bd);color:var(--txt-body);font-size:13px;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.chip b{color:var(--c-primary);font-weight:700}

/* ============ 两栏：锚点 + 问答 ============ */
.faq-layout{gap:40px}
.anchor-panel{position:relative}
.anchor-inner{position:sticky;top:96px}
.anchor-card{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-card);
}
.anchor-card h2{font-size:16px;color:var(--txt);font-weight:700;letter-spacing:.4px;margin-bottom:14px}
.anchor-card ol{display:flex;flex-direction:column;gap:6px}
.anchor-card a{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;border-radius:10px;
  color:var(--txt-body);font-size:14.5px;border:1px solid transparent;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.anchor-card a::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--txt-muted);transition:background var(--t) var(--ease)}
.anchor-card a:hover{background:var(--c-primary-12);color:var(--c-primary);border-color:var(--c-primary-20)}
.anchor-card a:hover::before{background:var(--c-primary)}
.anchor-note{margin-top:18px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--txt-muted);line-height:1.7}
.anchor-note b{color:var(--c-primary);font-variant-numeric:tabular-nums}

.faq-group{margin-bottom:40px;scroll-margin-top:96px}
.faq-group:last-child{margin-bottom:0}
.faq-group h3{
  font-size:20px;color:var(--txt);font-weight:700;margin-bottom:16px;
  padding-left:14px;border-left:3px solid var(--c-primary);line-height:1.4;
}
.faq-group-sub{font-size:14px;color:var(--txt-muted);margin:-8px 0 18px 17px}

.accordion.faq-accordion{background:transparent;border:none;margin:0}
.faq-accordion .accordion-item{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;list-style:none;
  transition:border-color var(--t) var(--ease),transform var(--t) var(--ease);
}
.faq-accordion .accordion-item:hover{border-color:var(--c-primary-30)}
.faq-accordion .accordion-item.is-active{border-color:var(--c-primary-30);background:#0F1720}
.faq-accordion .accordion-title{
  display:block;position:relative;border:none;background:transparent;
  padding:17px 62px 17px 20px;font-size:16.5px;font-weight:600;color:var(--txt);
  line-height:1.55;transition:color var(--t) var(--ease);
}
.faq-accordion .accordion-title:hover{color:var(--c-primary)}
.faq-accordion .accordion-title::after{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;border:1px solid var(--c-primary-30);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;
  font-size:17px;line-height:1;font-weight:500;
}
.faq-accordion .accordion-item.is-active .accordion-title::after{content:"−"}
.faq-accordion .accordion-content{
  border:none;background:transparent;padding:0 20px 20px;color:var(--txt-body);font-size:15px;line-height:1.85;
}
.faq-accordion .accordion-content::before{
  content:"";display:block;height:1px;background:var(--line);margin-bottom:16px;
}
.faq-accordion .accordion-content p+p{margin-top:12px}

/* ============ 清单 ============ */
.check-grid{gap:20px}
.check-card{
  background:var(--glass);border:1px solid var(--glass-bd);border-radius:var(--r-card);
  padding:26px;height:100%;
  -webkit-backdrop-filter:blur(16px) saturate(140%);backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--sh-card);
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease);
}
.check-card:hover{transform:translateY(-3px);border-color:var(--c-primary-30)}
.check-num{
  font-size:28px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1;
}
.check-card h3{margin:14px 0 10px;font-size:17px;color:var(--txt);font-weight:700}
.check-card p{font-size:14.5px;color:var(--txt-muted);line-height:1.8}

/* ============ 支持入口卡 ============ */
.support-grid{gap:22px}
.support-card{
  position:relative;height:100%;background:var(--bg-alt);border:1px solid var(--line);
  border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-card);overflow:hidden;
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.support-card::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:56px;background:var(--c-primary);border-radius:0 0 2px 0;
}
.support-card:hover{transform:translateY(-3px);border-color:var(--c-primary-30);box-shadow:var(--sh-soft),0 0 0 1px rgba(15,181,160,.18)}
.support-ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--c-primary-12);color:var(--c-primary);border:1px solid var(--c-primary-20);margin-bottom:18px;
}
.support-card h3{font-size:18px;color:var(--txt);font-weight:700;margin-bottom:10px}
.support-card p{font-size:14.5px;color:var(--txt-muted);line-height:1.8}
.support-card .kv{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.support-card .kv span{display:flex;justify-content:space-between;font-size:13.5px;color:var(--txt-body)}
.support-card .kv span em{font-style:normal;color:var(--c-primary);font-variant-numeric:tabular-nums}
.support-card .link-more{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14.5px;font-weight:600;color:var(--c-primary)}
.support-card .link-more::after{content:"→";transition:transform var(--t) var(--ease)}
.support-card:hover .link-more::after{transform:translateX(4px)}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:8px;padding-left:28px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:1px;background:linear-gradient(180deg,rgba(15,181,160,.5),rgba(15,181,160,.05))}
.timeline li{position:relative;padding-bottom:30px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-28px;top:8px;width:15px;height:15px;border-radius:50%;
  background:var(--bg);border:2px solid var(--c-primary);box-shadow:0 0 0 4px rgba(15,181,160,.10);
}
.timeline h3{font-size:17px;color:var(--txt);font-weight:700;margin-bottom:8px}
.timeline p{font-size:14.5px;color:var(--txt-muted);line-height:1.8}
.timeline .step-tag{
  display:inline-block;margin-left:10px;padding:2px 10px;border-radius:var(--r-pill);
  background:var(--c-primary-12);color:var(--c-primary);font-size:12px;font-weight:600;vertical-align:middle;
}

/* ============ CTA 面板 ============ */
.cta-panel{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  background:linear-gradient(120deg,rgba(15,181,160,.14),rgba(255,255,255,.02) 60%),var(--bg-alt2);
  border:1px solid var(--glass-bd);padding:44px;
  box-shadow:var(--sh-card);
  -webkit-backdrop-filter:blur(16px) saturate(140%);backdrop-filter:blur(16px) saturate(140%);
}
.cta-panel::after{
  content:"";position:absolute;inset:0;opacity:.35;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(420px 240px at 85% 15%,#000,transparent 70%);
  mask-image:radial-gradient(420px 240px at 85% 15%,#000,transparent 70%);
}
.cta-panel h2{font-size:clamp(22px,2.4vw,30px);color:var(--txt);font-weight:700;line-height:1.35}
.cta-panel p{margin-top:14px;font-size:16px;color:var(--txt-body);line-height:1.8;max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;position:relative;z-index:1}
.cta-figure{
  border-radius:var(--r-img);overflow:hidden;border:1px solid rgba(255,255,255,.08);
  position:relative;z-index:1;
}
.cta-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;z-index:50;
  background:rgba(13,20,27,.78);border:1px solid var(--glass-bd);color:var(--c-primary);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
  font-size:18px;line-height:1;
}
.to-top.is-show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{border-color:var(--c-primary-30);transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-footer);border-top:1px solid var(--line);
  padding:64px 0 0;color:var(--txt-muted);position:relative;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(15,181,160,.5),transparent);
}
.footer-grid{gap:36px}
.footer-brand .brand{margin-bottom:16px}
.footer-desc{font-size:14.5px;line-height:1.8;color:var(--txt-muted);max-width:32em;margin-bottom:20px}
.footer-col h4{font-size:15px;color:var(--txt);font-weight:700;margin-bottom:16px;letter-spacing:.3px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:var(--txt-muted);font-size:14.5px}
.footer-col a:hover{color:var(--c-primary);text-decoration:underline}
.footer-note{margin-top:16px;font-size:13px;line-height:1.8;color:var(--txt-muted)}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.06);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--txt-muted);
}
.footer-bottom .clause{max-width:52em}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sp-section:88px}
  .header-inner{gap:18px}
  .main-nav ul{gap:18px}
  .nav-link{font-size:14.5px}
}
@media (max-width:991px){
  :root{--sp-section:72px;--nav-h:60px}
  .nav-desktop,.header-actions{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{justify-content:space-between}
  .anchor-inner{position:static}
  .anchor-card{margin-bottom:32px}
  .cta-panel{padding:32px}
}
@media (max-width:767px){
  :root{--sp-section:64px}
  .lh-container{padding:0 20px}
  .page-hero{padding:20px 0 64px}
  .page-hero h1{margin-top:20px}
  .sec-head{margin-bottom:32px}
  .faq-layout{gap:24px}
}
@media (max-width:575px){
  :root{--sp-section:56px}
  .lh-container{padding:0 16px}
  .brand-text{font-size:16px}
  .brand-mark{width:34px;height:34px;border-radius:11px;font-size:12px}
  .page-hero-desc{font-size:15.5px}
  .hero-cta .btn{width:100%}
  .faq-accordion .accordion-title{padding:15px 54px 15px 16px;font-size:15.5px}
  .faq-accordion .accordion-content{padding:0 16px 18px;font-size:14.5px}
  .cta-panel{padding:24px;border-radius:16px}
  .cta-actions .btn{width:100%}
  .to-top{right:16px;bottom:18px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}