/* roulang page: index */
:root{
  --bg:#050A11;
  --bg-2:#081320;
  --bg-3:#0C1B2A;
  --glass:rgba(255,255,255,0.05);
  --glass-2:rgba(255,255,255,0.035);
  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.16);
  --text:#EAF2F7;
  --muted:#A9BCCB;
  --faint:#6F8494;
  --accent:#22D9B4;
  --accent-soft:rgba(34,217,180,0.14);
  --amber:#FFB454;
  --amber-soft:rgba(255,180,84,0.14);
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-card:0 12px 40px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(34,217,180,.5),0 8px 30px rgba(34,217,180,.28);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --space-1:8px;
  --space-2:16px;
  --space-3:24px;
  --space-4:32px;
  --space-5:48px;
  --space-6:72px;
  --space-7:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:110px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.4px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(720px 420px at 82% -6%,rgba(34,217,180,.10),transparent 62%),
    radial-gradient(620px 380px at 6% 12%,rgba(255,180,84,.07),transparent 60%),
    radial-gradient(900px 620px at 50% 108%,rgba(28,60,92,.28),transparent 70%);
}
img{max-width:100%;display:block;border-radius:14px;}
a{color:inherit;text-decoration:none;transition:color .2s cubic-bezier(.2,.7,.3,1);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.6px;line-height:1.22;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(34,217,180,.28);color:#fff;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:96px 0;position:relative;}
.section--tight{padding:72px 0;}
.section-divider{height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.14),transparent);}

/* ---------- 浮动 Dock 导航 ---------- */
.site-nav{position:fixed;top:18px;left:0;right:0;z-index:80;padding:0 20px;}
.dock{
  max-width:1180px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:18px;
  padding:0 14px 0 18px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(8,19,32,.62);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 10px 36px rgba(0,0,0,.38),inset 0 1px 0 rgba(255,255,255,.08);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.dock.is-scrolled{
  background:rgba(5,10,17,.9);
  border-color:rgba(255,255,255,.16);
  box-shadow:0 16px 44px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.1);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  font-family:var(--font-mono);
  font-size:18px;font-weight:700;letter-spacing:1px;
  padding:5px 12px;border-radius:10px;
  color:#04140F;
  background:linear-gradient(135deg,var(--accent),#5FE9CE);
  box-shadow:0 6px 20px rgba(34,217,180,.32);
  line-height:1.3;
}
.brand-text{font-size:15px;font-weight:600;color:var(--text);letter-spacing:1px;white-space:nowrap;}
.brand-text small{display:block;font-size:11px;color:var(--faint);letter-spacing:.6px;font-weight:400;}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-links a{
  position:relative;
  font-size:14px;color:var(--muted);
  padding:8px 12px;border-radius:10px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-links a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scaleX(0);
  width:18px;height:2px;border-radius:2px;background:var(--accent);
  transition:transform .22s cubic-bezier(.2,.7,.3,1);
}
.dock-links a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.dock-links a:hover::after,.dock-links a.active::after{transform:translateX(-50%) scaleX(1);}
.dock-links a.active{color:var(--text);}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  color:var(--muted);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--text);border-color:var(--line-strong);background:rgba(255,255,255,.06);}
.icon-btn:active{background:rgba(255,255,255,.1);}
.menu-btn{
  display:none;width:38px;height:38px;place-items:center;
  border-radius:var(--radius-pill);border:1px solid var(--line);color:var(--text);
  transition:background .2s ease,border-color .2s ease;
}
.menu-btn:hover{background:rgba(255,255,255,.07);border-color:var(--line-strong);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;letter-spacing:.8px;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s cubic-bezier(.2,.7,.3,1),background .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),#4AE3C4);
  color:#04140F;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(34,217,180,.6),0 12px 40px rgba(34,217,180,.42);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(34,217,180,.45),0 6px 18px rgba(34,217,180,.24);}
.btn-ghost{
  border:1px solid rgba(255,255,255,.14);
  color:var(--text);
  background:transparent;
}
.btn-ghost:hover{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.05);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);background:rgba(255,255,255,.08);}
.btn-sm{height:38px;padding:0 18px;font-size:13px;letter-spacing:.6px;}
.btn-block{width:100%;}

/* ---------- Hero ---------- */
.hero{padding:150px 0 88px;position:relative;overflow:hidden;}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent);
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:1.4px;
  color:var(--accent);
  padding:7px 15px;border-radius:var(--radius-pill);
  border:1px solid rgba(34,217,180,.32);
  background:var(--accent-soft);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);}
.hero h1{
  margin:22px 0 0;
  font-size:clamp(32px,4.6vw,58px);
  line-height:1.12;
  letter-spacing:1px;
}
.hero h1 em{
  font-style:normal;
  font-family:var(--font-mono);
  letter-spacing:0;
  color:var(--accent);
}
.hero-sub{
  margin-top:22px;
  max-width:560px;
  font-size:16px;line-height:1.95;color:var(--muted);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;}
.pill{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 16px;border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:var(--glass-2);
  font-size:13px;color:var(--muted);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.pill:hover{border-color:rgba(34,217,180,.36);color:var(--text);transform:translateY(-1px);}
.pill i{color:var(--accent);display:inline-flex;}
.hero-visual{position:relative;}
.hero-visual::before{
  content:"";position:absolute;inset:-26px -20px -26px -20px;
  background:radial-gradient(60% 60% at 60% 40%,rgba(34,217,180,.18),transparent 70%);
  filter:blur(18px);z-index:0;
}
.frame{
  position:relative;z-index:1;
  border-radius:var(--radius-lg);
  border:1px solid rgba(255,255,255,.14);
  background:rgba(12,27,42,.7);
  padding:12px;
  box-shadow:0 26px 70px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.1);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.addressbar{
  display:flex;align-items:center;gap:10px;
  height:36px;padding:0 14px;margin-bottom:12px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(5,10,17,.72);
  font-family:var(--font-mono);font-size:12px;color:var(--faint);
  letter-spacing:.6px;overflow:hidden;white-space:nowrap;
}
.addressbar b{color:var(--accent);font-weight:600;}
.dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.16);flex-shrink:0;}
.dot.g{background:rgba(34,217,180,.7);}
.dot.a{background:rgba(255,180,84,.7);}
.frame img{width:100%;height:auto;border-radius:var(--radius);object-fit:cover;}

/* ---------- 能力 / 服务 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:44px;}
.section-head h2{font-size:clamp(24px,3vw,36px);}
.section-head p{margin-top:12px;max-width:600px;color:var(--muted);font-size:15px;}
.head-tag{
  font-family:var(--font-mono);font-size:12px;letter-spacing:1.4px;color:var(--amber);
  display:inline-block;margin-bottom:12px;
}
.services-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;grid-auto-rows:minmax(150px,auto);}
.svc-card{
  position:relative;
  grid-column:span 3;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--glass-2);
  padding:26px 26px 30px;
  overflow:hidden;
  transition:transform .25s cubic-bezier(.2,.7,.3,1),border-color .25s ease,background .25s ease,box-shadow .25s ease;
}
.svc-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);
}
.svc-card:hover{
  transform:translateY(-4px);
  border-color:rgba(34,217,180,.34);
  background:rgba(255,255,255,.055);
  box-shadow:0 18px 48px rgba(0,0,0,.42);
}
.svc-card.large{grid-column:span 3;grid-row:span 2;display:flex;flex-direction:column;background:linear-gradient(160deg,rgba(34,217,180,.09),rgba(255,255,255,.03) 55%);}
.svc-num{
  font-family:var(--font-mono);font-size:13px;letter-spacing:2px;color:var(--amber);
  display:block;margin-bottom:14px;
}
.svc-card h3{font-size:19px;margin-bottom:10px;}
.svc-card p{font-size:14px;color:var(--muted);line-height:1.85;max-width:44ch;}
.svc-card.large h3{font-size:24px;}
.svc-card.large p{font-size:15px;}
.svc-arrow{
  margin-top:auto;padding-top:20px;
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--accent);letter-spacing:.6px;
}
.svc-arrow span{transition:transform .25s cubic-bezier(.2,.7,.3,1);display:inline-block;}
.svc-card:hover .svc-arrow span{transform:translateX(5px);}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.tag{
  font-size:12px;letter-spacing:.4px;color:var(--muted);
  padding:4px 11px;border-radius:8px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
}

/* ---------- 数据条带 ---------- */
.stats-band{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:56px 0;
  position:relative;
  overflow:hidden;
}
.stats-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:38%;
  background:radial-gradient(50% 100% at 0% 50%,rgba(34,217,180,.12),transparent 72%);
  pointer-events:none;
}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;z-index:1;}
.stat{
  padding:0 28px;
  border-left:1px solid rgba(255,255,255,.09);
  display:flex;flex-direction:column;gap:6px;
}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{
  font-family:var(--font-mono);font-size:clamp(30px,3.6vw,44px);font-weight:700;
  color:var(--text);letter-spacing:1px;line-height:1.1;
  display:flex;align-items:baseline;gap:6px;
}
.stat-num i{font-style:normal;font-size:14px;color:var(--accent);letter-spacing:1px;font-weight:500;}
.stat-label{font-size:13px;color:var(--faint);letter-spacing:.6px;}

/* ---------- 案例拼贴 ---------- */
.cases{display:grid;grid-template-columns:1.35fr 1fr;gap:20px;}
.case-main,.case-sm{
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--glass-2);
  overflow:hidden;
  transition:transform .25s cubic-bezier(.2,.7,.3,1),border-color .25s ease,box-shadow .25s ease;
}
.case-main:hover,.case-sm:hover{transform:translateY(-4px);border-color:rgba(34,217,180,.32);box-shadow:0 18px 48px rgba(0,0,0,.45);}
.case-media{
  position:relative;aspect-ratio:16/10;overflow:hidden;
  background:linear-gradient(140deg,var(--bg-3),#0a1725);
}
.case-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .45s cubic-bezier(.2,.7,.3,1);}
.case-main:hover .case-media img,.case-sm:hover .case-media img{transform:scale(1.03);}
.case-badge{
  position:absolute;top:14px;left:14px;
  font-size:12px;letter-spacing:.6px;
  padding:4px 11px;border-radius:8px;
  color:var(--amber);background:rgba(255,180,84,.16);
  border:1px solid rgba(255,180,84,.3);
  backdrop-filter:blur(6px);
}
.case-body{padding:22px 24px 26px;}
.case-body h3{font-size:18px;margin-bottom:8px;}
.case-main .case-body h3{font-size:22px;}
.case-body p{font-size:14px;color:var(--muted);line-height:1.85;}
.case-side{display:grid;grid-template-rows:1fr 1fr;gap:20px;}

/* ---------- 方案阶梯 ---------- */
.plan-wrap{display:grid;grid-template-columns:340px 1fr;gap:56px;}
.plan-sticky{position:sticky;top:118px;align-self:start;}
.plan-sticky h2{font-size:clamp(24px,3vw,34px);}
.plan-sticky p{margin-top:14px;color:var(--muted);font-size:15px;line-height:1.9;}
.plan-sticky .btn{margin-top:26px;}
.plan-list{position:relative;padding-left:34px;}
.plan-list::before{
  content:"";position:absolute;left:9px;top:14px;bottom:14px;
  border-left:1px dashed rgba(255,255,255,.16);
}
.plan-item{position:relative;padding:0 0 40px 0;}
.plan-item:last-child{padding-bottom:0;}
.plan-item::before{
  content:"";position:absolute;left:-30px;top:9px;
  width:11px;height:11px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(34,217,180,.15),0 0 14px rgba(34,217,180,.6);
}
.plan-item h3{font-size:19px;margin-bottom:10px;}
.plan-item p{color:var(--muted);font-size:15px;line-height:1.9;max-width:62ch;}
.plan-item .tag{margin-top:14px;display:inline-block;}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  display:flex;flex-direction:column;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--glass-2);
  overflow:hidden;
  transition:transform .25s cubic-bezier(.2,.7,.3,1),border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(34,217,180,.34);box-shadow:0 18px 48px rgba(0,0,0,.45);}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(140deg,var(--bg-3),#0a1725);}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .45s cubic-bezier(.2,.7,.3,1);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge{
  align-self:flex-start;
  font-size:12px;letter-spacing:.6px;
  padding:3px 10px;border-radius:8px;
  color:var(--accent);background:var(--accent-soft);
  border:1px solid rgba(34,217,180,.26);
}
.news-body h3{
  font-size:17px;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-time{margin-top:auto;font-family:var(--font-mono);font-size:12px;color:var(--faint);letter-spacing:.6px;}
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:260px;padding:48px 24px;
  border-radius:var(--radius-lg);
  border:1px dashed rgba(255,255,255,.16);
  background:var(--glass-2);
  text-align:center;
}
.empty-state svg{color:var(--faint);}
.empty-state p{color:var(--muted);font-size:15px;}
.news-foot{margin-top:36px;display:flex;justify-content:center;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:22px 6px;text-align:left;
  font-size:16px;font-weight:600;letter-spacing:.5px;color:var(--text);
  transition:color .2s ease,background .2s ease;
}
.faq-q:hover{color:var(--accent);}
.faq-q .qmark{
  flex-shrink:0;width:26px;height:26px;display:grid;place-items:center;
  border-radius:50%;font-family:var(--font-mono);font-size:12px;font-weight:700;
  color:var(--amber);background:var(--amber-soft);border:1px solid rgba(255,180,84,.3);
}
.faq-q .qm{margin-left:auto;flex-shrink:0;color:var(--faint);transition:transform .2s ease,color .2s ease;}
.faq-item.open .faq-q .qm{transform:rotate(45deg);color:var(--accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s cubic-bezier(.2,.7,.3,1);}
.faq-a p{padding:0 6px 24px 48px;color:var(--muted);font-size:15px;line-height:1.9;}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start;}
.info-block{
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--glass-2);
  padding:30px;
}
.info-block h3{font-size:19px;margin-bottom:20px;}
.info-row{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed rgba(255,255,255,.1);}
.info-row:last-child{border-bottom:0;padding-bottom:0;}
.info-ico{
  flex-shrink:0;width:38px;height:38px;display:grid;place-items:center;
  border-radius:12px;color:var(--accent);
  background:var(--accent-soft);border:1px solid rgba(34,217,180,.24);
}
.info-row b{display:block;font-size:14px;font-weight:600;margin-bottom:3px;}
.info-row span{font-size:13px;color:var(--muted);line-height:1.7;display:block;}
.form-card{
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:rgba(255,255,255,.045);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:32px;
  box-shadow:0 20px 60px rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.09);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13px;color:var(--muted);letter-spacing:.5px;}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.04);
  color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  appearance:none;-webkit-appearance:none;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.8;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--faint);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);
  background:rgba(34,217,180,.06);
  box-shadow:0 0 0 3px rgba(34,217,180,.18);
}
.field select{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236F8494' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
  padding-right:38px;
}
.field select option{background:#0C1B2A;color:var(--text);}
.form-note{margin-top:16px;font-size:12px;color:var(--faint);line-height:1.8;}
.form-note a{color:var(--muted);border-bottom:1px solid rgba(255,255,255,.16);}
.form-note a:hover{color:var(--accent);border-color:var(--accent);}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-2);
  padding:64px 0 0;
  position:relative;
  z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand p{margin-top:18px;font-size:14px;color:var(--muted);line-height:1.9;max-width:34ch;}
.social{display:flex;gap:10px;margin-top:22px;}
.social a{
  width:38px;height:38px;display:grid;place-items:center;
  border-radius:12px;border:1px solid var(--line);color:var(--muted);
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.social a:hover{color:var(--accent);border-color:rgba(34,217,180,.36);background:rgba(34,217,180,.08);transform:translateY(-2px);}
.footer-col h4{font-size:14px;letter-spacing:1px;margin-bottom:18px;color:var(--text);}
.footer-col a,.footer-col span{
  display:block;font-size:14px;color:var(--muted);
  padding:6px 0;transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:var(--text);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--faint);
}
.footer-bottom .mono{font-family:var(--font-mono);letter-spacing:.6px;}
.footer-links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-links a{color:var(--faint);}
.footer-links a:hover{color:var(--accent);}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(5,10,17,.94);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  display:flex;flex-direction:column;
  padding:24px 22px 40px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.drawer.open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{
  font-size:18px;color:var(--text);padding:18px 4px;
  border-bottom:1px solid rgba(255,255,255,.1);
  transition:color .2s ease,padding-left .2s ease;
}
.drawer-links a:hover{color:var(--accent);padding-left:8px;}
.drawer-links a.active{color:var(--accent);}
.drawer .btn{margin-top:28px;width:100%;}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .dock-links a{padding:8px 9px;font-size:13px;}
  .hero-grid{gap:38px;}
  .plan-wrap{grid-template-columns:280px 1fr;gap:36px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:960px){
  .dock-links{display:none;}
  .dock{gap:12px;padding:0 12px 0 14px;}
  .menu-btn{display:grid;}
  .dock-actions .btn-sm{display:none;}
  .hero{padding:132px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-visual{order:-1;max-width:620px;}
  .hero-sub{max-width:none;}
  .plan-wrap{grid-template-columns:1fr;gap:34px;}
  .plan-sticky{position:static;}
  .services-grid{grid-template-columns:repeat(2,1fr);}
  .svc-card,.svc-card.large{grid-column:span 1;grid-row:auto;}
  .cases{grid-template-columns:1fr;}
  .case-side{grid-template-rows:auto;grid-template-columns:1fr 1fr;}
  .contact-grid{grid-template-columns:1fr;gap:28px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .stat{padding:0 22px;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px 24px;}
  .footer-brand{grid-column:1/-1;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .hero{padding:118px 0 60px;}
  .hero-actions .btn{flex:1 1 100%;}
  .pills{gap:10px;}
  .pill{flex:1 1 calc(50% - 10px);justify-content:center;font-size:12px;}
  .services-grid{grid-template-columns:1fr;gap:16px;}
  .news-grid{grid-template-columns:1fr;}
  .case-side{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:24px;}
  .info-block{padding:24px;}
  .faq-q{font-size:15px;gap:12px;padding:20px 2px;}
  .faq-a p{padding-left:38px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head{margin-bottom:32px;}
  .stats-band{padding:44px 0;}
}
@media (max-width:520px){
  .brand-text small{display:none;}
  .brand-text{font-size:13px;}
  .brand-mark{font-size:15px;padding:4px 9px;}
  .dock{height:58px;}
  .hero h1{font-size:clamp(28px,7.6vw,34px);}
  .hero-sub{font-size:15px;}
  .btn{height:46px;font-size:14px;padding:0 20px;}
  .stat-num{font-size:28px;}
  .plan-list{padding-left:28px;}
  .plan-item::before{left:-25px;}
  .footer-bottom{font-size:12px;}
}

/* roulang page: article */
:root{
  --bg:#F4F9FA;
  --bg-soft:#EAF4F6;
  --surface:#FFFFFF;
  --surface-2:#F2F8FA;
  --ink:#0E2530;
  --ink-2:#466270;
  --ink-3:#7E97A4;
  --brand:#12B48F;
  --brand-2:#0B9A7B;
  --brand-soft:rgba(18,180,143,.10);
  --accent:#FFB454;
  --accent-soft:#FFF6E8;
  --line:rgba(14,37,48,.09);
  --line-strong:rgba(14,37,48,.18);
  --radius-lg:22px;
  --radius:16px;
  --radius-sm:12px;
  --shadow-sm:0 4px 16px rgba(14,37,48,.06);
  --shadow:0 14px 40px rgba(14,37,48,.10);
  --shadow-lg:0 22px 60px rgba(14,37,48,.14);
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:120px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:
    radial-gradient(900px 480px at 82% -10%,rgba(18,180,143,.13),transparent 62%),
    radial-gradient(720px 420px at 4% 6%,rgba(255,180,84,.14),transparent 60%),
    var(--bg);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:.4px;line-height:1.25;}
p{margin:0;}
ul,ol{margin:0;}
::selection{background:rgba(18,180,143,.22);color:var(--ink);}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.mono{font-family:var(--mono);}

/* ---------------- 浮动 Dock 导航 ---------------- */
.site-nav{position:fixed;top:16px;left:0;right:0;z-index:90;padding:0 20px;display:flex;justify-content:center;pointer-events:none;}
.dock{
  pointer-events:auto;
  width:100%;max-width:1180px;height:68px;
  display:flex;align-items:center;gap:16px;
  padding:0 14px 0 20px;
  border-radius:999px;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.9);
  box-shadow:0 10px 34px rgba(14,37,48,.10);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease,transform .25s ease;
}
.dock.scrolled{background:rgba(255,255,255,.94);box-shadow:0 16px 44px rgba(14,37,48,.16);border-color:rgba(18,180,143,.22);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  font-family:var(--mono);font-size:20px;font-weight:800;letter-spacing:.5px;
  color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));
  padding:5px 11px;border-radius:10px;line-height:1.1;
  box-shadow:0 6px 18px rgba(18,180,143,.32);
}
.brand-text{display:flex;flex-direction:column;font-size:15px;font-weight:700;color:var(--ink);line-height:1.15;}
.brand-text small{font-size:11px;font-weight:500;color:var(--ink-3);letter-spacing:.2px;margin-top:3px;}
.dock-links{display:flex;align-items:center;gap:2px;margin-left:8px;}
.dock-links a{
  position:relative;font-size:13.5px;font-weight:600;color:var(--ink-2);
  padding:8px 11px;border-radius:999px;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-links a:hover{color:var(--brand-2);background:var(--brand-soft);}
.dock-links a.active{color:var(--brand-2);background:var(--brand-soft);}
.dock-links a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:2px;width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto;}
.icon-btn{
  width:36px;height:36px;display:grid;place-items:center;
  border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);
  transition:color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.icon-btn:hover{color:var(--brand-2);border-color:rgba(18,180,143,.45);transform:translateY(-1px);box-shadow:0 6px 16px rgba(18,180,143,.18);}
.icon-btn:active{transform:translateY(0);}
.menu-btn{
  display:none;width:38px;height:38px;place-items:center;
  border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);
  transition:border-color .2s ease,color .2s ease;
}
.menu-btn:hover{border-color:rgba(18,180,143,.5);color:var(--brand-2);}

/* 通用按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:14px;letter-spacing:.3px;
  border-radius:999px;border:1px solid transparent;
  padding:12px 22px;cursor:pointer;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s cubic-bezier(.2,.7,.3,1),background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;box-shadow:0 10px 26px rgba(18,180,143,.30);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(18,180,143,.38);}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(18,180,143,.26);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line-strong);}
.btn-ghost:hover{border-color:rgba(18,180,143,.55);color:var(--brand-2);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:9px 16px;font-size:13px;}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;display:none;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  padding:88px 26px 40px;
}
.drawer.open{display:block;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer a.drawer-link{
  display:block;font-size:18px;font-weight:600;color:var(--ink);
  padding:16px 2px;border-bottom:1px solid var(--line);
}
.drawer a.drawer-link:hover{color:var(--brand-2);}
.drawer .btn{margin-top:26px;width:100%;}

/* ---------------- 文章主体 ---------------- */
main{padding-top:132px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);margin-bottom:26px;
}
.breadcrumb a{color:var(--ink-2);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand-2);}
.breadcrumb .sep{color:var(--ink-3);opacity:.7;}
.breadcrumb .current{color:var(--brand-2);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-shell{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:clamp(26px,4vw,56px);
}
.article-head{max-width:800px;margin:0 auto 34px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;letter-spacing:.6px;
  color:#8A5A11;background:var(--accent-soft);
  border:1px solid rgba(255,180,84,.45);
  padding:5px 12px;border-radius:999px;
}
.article-head h1{
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.28;font-weight:700;color:var(--ink);
  margin:16px 0 18px;letter-spacing:.6px;
  word-break:break-word;
}
.meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--ink-3);
}
.meta .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-3);opacity:.55;}
.meta strong{color:var(--ink-2);font-weight:600;}

.article-body{max-width:800px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--ink-2);}
.article-body p{margin:0 0 20px;}
.article-body h2{
  font-size:24px;line-height:1.4;color:var(--ink);
  margin:40px 0 16px;padding-left:15px;position:relative;letter-spacing:.5px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;border-radius:3px;
  background:var(--brand);box-shadow:0 0 12px rgba(18,180,143,.55);
}
.article-body h3{font-size:19px;color:var(--ink);margin:30px 0 12px;letter-spacing:.4px;}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:3px solid var(--accent);
  background:var(--accent-soft);
  border-radius:0 14px 14px 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 20px;}
.article-body li{margin:8px 0;}
.article-body img{width:100%;height:auto;border-radius:14px;margin:26px auto;}
.article-body figure{margin:26px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-3);margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body thead th{background:var(--surface-2);color:var(--ink);font-weight:700;}
.article-body tbody tr:nth-child(even){background:#F8FCFD;}
.article-body a{color:var(--brand-2);border-bottom:1px solid rgba(18,180,143,.45);transition:border-color .2s ease,color .2s ease;}
.article-body a:hover{color:var(--brand);border-bottom-color:var(--brand);}
.article-body strong{color:var(--ink);}

.tag-row{max-width:800px;margin:38px auto 0;display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  font-size:12.5px;font-weight:600;color:var(--ink-2);
  background:var(--surface-2);border:1px solid var(--line);
  border-radius:999px;padding:6px 14px;transition:all .2s ease;
}
.tag:hover{color:var(--brand-2);border-color:rgba(18,180,143,.45);background:var(--brand-soft);}

.disclaimer{
  max-width:800px;margin:24px auto 0;
  font-size:12.5px;line-height:1.9;color:var(--ink-3);
  padding:14px 18px;border-radius:var(--radius-sm);
  background:var(--surface-2);border:1px dashed var(--line-strong);
}

/* 空态 */
.empty-note{
  max-width:800px;margin:0 auto;text-align:center;
  padding:56px 26px;border-radius:var(--radius);
  background:var(--surface-2);border:1px dashed var(--line-strong);
}
.empty-note h2{font-size:22px;margin-bottom:12px;}
.empty-note p{color:var(--ink-2);margin-bottom:22px;}

/* 相关推荐 */
.related{margin-top:64px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:24px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(20px,2.4vw,26px);letter-spacing:.6px;}
.section-head p{font-size:13.5px;color:var(--ink-3);}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s cubic-bezier(.2,.7,.3,1),box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(18,180,143,.35);}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.05);}
.rel-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body .badge{align-self:flex-start;}
.rel-body h3{
  font-size:16px;line-height:1.55;font-weight:700;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.rel-card:hover .rel-body h3{color:var(--brand-2);}
.rel-time{margin-top:auto;font-size:12.5px;color:var(--ink-3);}

.back-line{margin-top:34px;display:flex;justify-content:center;}

/* 联系 / CTA */
.contact-band{
  margin:74px 0 96px;
  border-radius:var(--radius-lg);
  padding:clamp(28px,4vw,46px);
  background:
    radial-gradient(620px 320px at 88% 12%,rgba(18,180,143,.18),transparent 66%),
    linear-gradient(135deg,#FFFFFF,#EFF9F7);
  border:1px solid rgba(18,180,143,.28);
  box-shadow:0 20px 55px rgba(18,180,143,.16);
  display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;
}
.contact-band h2{font-size:clamp(21px,2.6vw,28px);margin-bottom:12px;}
.contact-band p{color:var(--ink-2);font-size:15px;max-width:560px;}
.contact-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.contact-points{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px;}
.contact-points span{
  font-size:12.5px;font-weight:600;color:var(--brand-2);
  background:#fff;border:1px solid rgba(18,180,143,.28);
  border-radius:999px;padding:6px 13px;
}

/* ---------------- 页脚 ---------------- */
.site-footer{
  border-top:1px solid var(--line);
  background:#FFFFFF;
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:36px;border-bottom:1px solid var(--line);
}
.footer-brand p{margin:16px 0 18px;font-size:14px;line-height:1.9;color:var(--ink-2);max-width:340px;}
.social{display:flex;gap:10px;}
.social a{
  width:36px;height:36px;display:grid;place-items:center;border-radius:999px;
  border:1px solid var(--line);color:var(--ink-2);background:var(--surface-2);
  transition:all .2s ease;
}
.social a:hover{color:#fff;background:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
.footer-col h4{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:16px;letter-spacing:.6px;}
.footer-col a,.footer-col span{
  display:block;font-size:13.5px;color:var(--ink-2);margin-bottom:11px;
  transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:var(--brand-2);transform:translateX(3px);}
.footer-col span{color:var(--ink-3);}
.footer-bottom{
  padding-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13px;color:var(--ink-3);
}
.footer-bottom .mono{font-size:12.5px;color:var(--ink-3);opacity:.85;}
.footer-links{margin-left:auto;display:flex;flex-wrap:wrap;gap:18px;}
.footer-links a{color:var(--ink-2);transition:color .2s ease;}
.footer-links a:hover{color:var(--brand-2);}

/* ---------------- 响应式 ---------------- */
@media (max-width:1024px){
  .dock-links a{font-size:12.5px;padding:7px 9px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .contact-band{grid-template-columns:1fr;gap:22px;}
  .contact-actions{justify-content:flex-start;}
}
@media (max-width:900px){
  .dock-links{display:none;}
  .menu-btn{display:grid;}
  .dock{height:60px;padding:0 12px 0 16px;gap:12px;}
  main{padding-top:112px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .article-shell{padding:24px 20px;border-radius:var(--radius);}
  .article-body{font-size:16px;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .footer-brand{grid-column:1/-1;}
  .footer-bottom .footer-links{margin-left:0;}
  .contact-band{margin:56px 0 72px;}
}
@media (max-width:520px){
  .brand-text small{display:none;}
  .dock-actions .btn-sm{display:none;}
  .article-head h1{font-size:23px;}
  .btn{width:100%;}
  .icon-btn{display:none;}
  .footer-grid{grid-template-columns:1fr;}
  .back-line .btn{width:100%;}
  .breadcrumb{font-size:12px;}
  .breadcrumb .current{white-space:normal;}
}

/* roulang page: category1 */
:root{
    --bg:#050A11;
    --bg-2:#081320;
    --bg-3:#0C1B2A;
    --text:#EAF2F7;
    --muted:#A9BCCB;
    --weak:#6F8494;
    --accent:#22D9B4;
    --accent-soft:rgba(34,217,180,.14);
    --amber:#FFB454;
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(255,255,255,.18);
    --glass:rgba(255,255,255,.05);
    --glass-2:rgba(255,255,255,.035);
    --r-sm:12px;
    --r-md:16px;
    --r-lg:20px;
    --r-pill:999px;
    --shadow-card:0 12px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.08);
    --shadow-glow:0 0 0 1px rgba(34,217,180,.5), 0 8px 30px rgba(34,217,180,.28);
    --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
    --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
    --sp-section:96px;
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;scroll-padding-top:110px;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:
      radial-gradient(900px 480px at 82% -8%, rgba(34,217,180,.08), transparent 62%),
      radial-gradient(760px 400px at 6% 4%, rgba(255,180,84,.055), transparent 60%),
      var(--bg);
    color:var(--text);
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.9;
    letter-spacing:.4px;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;border-radius:14px}
  a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease)}
  button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
  input,textarea,select{font-family:inherit;font-size:15px;color:var(--text)}
  h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.7px;line-height:1.2}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  .mono{font-family:var(--font-mono);letter-spacing:.2px}

  /* ============ Dock 导航 ============ */
  .site-nav{position:fixed;top:18px;left:0;right:0;z-index:80;display:flex;justify-content:center;pointer-events:none}
  .dock{
    pointer-events:auto;
    width:min(1180px,calc(100% - 32px));
    min-height:64px;
    display:flex;align-items:center;gap:20px;
    padding:9px 12px 9px 18px;
    border-radius:var(--r-pill);
    background:rgba(9,20,32,.66);
    border:1px solid var(--line);
    box-shadow:0 14px 44px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.07);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  }
  .dock.is-scrolled{background:rgba(6,14,23,.9);border-color:var(--line-strong);box-shadow:0 18px 54px rgba(0,0,0,.62), inset 0 1px 0 rgba(255,255,255,.1)}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    font-family:var(--font-mono);font-size:16px;font-weight:700;letter-spacing:0;
    color:#04120F;background:linear-gradient(150deg,#3BEFC8,#12A98C);
    padding:6px 10px;border-radius:9px;
    box-shadow:0 6px 18px rgba(34,217,180,.28);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.1;font-size:14px;font-weight:700;letter-spacing:1px}
  .brand-text small{font-size:10.5px;font-weight:400;color:var(--weak);letter-spacing:.5px;margin-top:3px}
  .dock-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
  .dock-links a{
    position:relative;display:inline-block;
    padding:8px 11px;border-radius:var(--r-pill);
    font-size:13.5px;color:var(--muted);white-space:nowrap;
    transition:color .2s var(--ease),background-color .2s var(--ease);
  }
  .dock-links a::after{
    content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scaleX(0);
    width:18px;height:2px;border-radius:2px;background:var(--accent);
    transition:transform .22s var(--ease);
  }
  .dock-links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
  .dock-links a:hover::after{transform:translateX(-50%) scaleX(.7)}
  .dock-links a.active{color:#DDFBF3;background:rgba(34,217,180,.1)}
  .dock-links a.active::after{transform:translateX(-50%) scaleX(1)}
  .dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
  .icon-btn{
    width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
    border-radius:var(--r-pill);border:1px solid var(--line);color:var(--muted);
    background:rgba(255,255,255,.03);transition:all .2s var(--ease);
  }
  .icon-btn:hover{color:var(--accent);border-color:rgba(34,217,180,.45);background:rgba(34,217,180,.1)}
  .icon-btn:active{transform:scale(.95)}
  .menu-btn{display:none;width:38px;height:38px;align-items:center;justify-content:center;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--muted)}
  .menu-btn:hover{color:var(--accent);border-color:rgba(34,217,180,.45)}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-pill);font-weight:600;font-size:15px;letter-spacing:.6px;
    padding:13px 26px;border:1px solid transparent;
    transition:all .2s var(--ease);
  }
  .btn-sm{padding:9px 18px;font-size:13.5px}
  .btn-primary{
    background:linear-gradient(160deg,#2CE7BF,#13AE90);
    color:#03130F;border-color:rgba(34,217,180,.5);
    box-shadow:var(--shadow-glow);
  }
  .btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(34,217,180,.65),0 12px 38px rgba(34,217,180,.38)}
  .btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(34,217,180,.5),0 4px 16px rgba(34,217,180,.25)}
  .btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.14);color:var(--text)}
  .btn-ghost:hover{border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.05);transform:translateY(-1px)}
  .btn-ghost:active{transform:translateY(0);background:rgba(255,255,255,.03)}

  /* ============ 通用板块 ============ */
  .section{padding:var(--sp-section) 0;position:relative}
  .section-alt{background:linear-gradient(180deg,rgba(8,19,32,.85),rgba(5,10,17,0))}
  .hairline{height:1px;border:0;margin:0;background:linear-gradient(90deg,transparent,rgba(34,217,180,.35),rgba(255,255,255,.06),transparent)}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;letter-spacing:2px;color:var(--accent);
    padding:6px 14px;border-radius:var(--r-pill);
    border:1px solid rgba(34,217,180,.26);background:rgba(34,217,180,.07);
  }
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
  .sec-title{font-size:clamp(24px,3vw,36px);margin:18px 0 14px}
  .sec-desc{color:var(--muted);font-size:15.5px;max-width:640px}

  /* ============ Hero ============ */
  .hero{padding:150px 0 72px;position:relative;overflow:hidden}
  .hero::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(circle at 60% 10%,#000 0%,transparent 72%);
    -webkit-mask-image:radial-gradient(circle at 60% 10%,#000 0%,transparent 72%);
  }
  .hero-grid{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center}
  .hero h1{font-size:clamp(32px,4.4vw,52px);line-height:1.16;margin:20px 0 0}
  .hero h1 .hl{color:var(--accent);text-shadow:0 0 26px rgba(34,217,180,.35)}
  .hero-sub{margin-top:18px;color:var(--muted);font-size:16.5px;max-width:560px;line-height:1.9}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
  .pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
  .info-pill{
    display:inline-flex;align-items:center;gap:8px;
    padding:8px 15px;border-radius:var(--r-pill);
    background:var(--glass);border:1px solid var(--line);
    font-size:12.8px;color:var(--muted);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  }
  .info-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 9px rgba(34,217,180,.8);flex-shrink:0}

  .hero-visual{position:relative}
  .visual-frame{
    position:relative;border-radius:var(--r-lg);overflow:hidden;
    border:1px solid var(--line);background:var(--glass);
    box-shadow:0 28px 70px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.1);
    padding:10px;
  }
  .visual-frame::after{
    content:"";position:absolute;inset:-1px;border-radius:inherit;pointer-events:none;
    background:radial-gradient(400px 200px at 78% 0%,rgba(34,217,180,.16),transparent 70%);
  }
  .visual-frame img{width:100%;height:340px;object-fit:cover;border-radius:12px;opacity:.92}
  .addr-bar{
    position:relative;display:flex;align-items:center;gap:10px;
    margin-bottom:10px;padding:8px 12px;border-radius:var(--r-pill);
    background:rgba(6,14,23,.9);border:1px solid var(--line);
    font-family:var(--font-mono);font-size:11.5px;color:var(--weak);letter-spacing:.2px;
    overflow:hidden;white-space:nowrap;
  }
  .addr-bar .dots{display:flex;gap:4px;flex-shrink:0}
  .addr-bar .dots i{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.16);display:block}
  .addr-bar .dots i:first-child{background:rgba(255,180,84,.6)}
  .addr-bar .dots i:nth-child(2){background:rgba(255,255,255,.24)}
  .addr-bar span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .visual-tag{
    position:absolute;right:14px;bottom:14px;
    padding:6px 13px;border-radius:var(--r-pill);
    background:rgba(5,10,17,.82);border:1px solid rgba(34,217,180,.4);
    color:var(--accent);font-size:12px;letter-spacing:.8px;
    backdrop-filter:blur(8px);
  }

  /* ============ 双列介绍（4:6） ============ */
  .intro-grid{display:grid;grid-template-columns:4fr 6fr;gap:24px;align-items:stretch}
  .panel{
    border-radius:var(--r-lg);border:1px solid var(--line);
    background:linear-gradient(165deg,var(--glass),var(--glass-2));
    box-shadow:var(--shadow-card);padding:30px;
    transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
  }
  .panel:hover{border-color:rgba(34,217,180,.3);transform:translateY(-3px);box-shadow:0 18px 52px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.1)}
  .panel-narrow{display:flex;flex-direction:column;gap:16px}
  .panel h3{font-size:20px;margin-bottom:6px}
  .panel .lead{color:var(--muted);font-size:14.5px}
  .check-list{display:flex;flex-direction:column;gap:12px;margin-top:6px}
  .check-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.8px;color:var(--muted)}
  .check-list li::before{
    content:"";width:16px;height:16px;flex-shrink:0;margin-top:5px;border-radius:50%;
    border:1px solid rgba(34,217,180,.55);
    background:radial-gradient(circle,var(--accent) 0 30%,transparent 34%);
  }
  .wide-split{display:grid;grid-template-columns:1fr 240px;gap:24px;align-items:start}
  .wide-split img{width:100%;height:100%;min-height:200px;object-fit:cover;border:1px solid var(--line)}
  .num-list{display:flex;flex-direction:column;gap:14px;margin-top:14px;counter-reset:n}
  .num-list li{
    display:flex;gap:12px;font-size:14.8px;color:var(--muted);
    padding-bottom:14px;border-bottom:1px dashed rgba(255,255,255,.09);
  }
  .num-list li:last-child{border-bottom:0;padding-bottom:0}
  .num-list li b{
    font-family:var(--font-mono);font-size:12.5px;color:var(--amber);
    flex-shrink:0;padding-top:3px;letter-spacing:0;
  }

  /* ============ 非对称卡片网格 ============ */
  .asym-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
  .entry-card{
    position:relative;padding:26px;border-radius:var(--r-lg);
    border:1px solid var(--line);background:var(--glass-2);
    box-shadow:var(--shadow-card);overflow:hidden;
    transition:transform .25s var(--ease),border-color .25s var(--ease),background-color .25s var(--ease);
  }
  .entry-card:hover{transform:translateY(-4px);border-color:rgba(34,217,180,.32);background:rgba(34,217,180,.045)}
  .entry-card .idx{font-family:var(--font-mono);font-size:12.5px;color:var(--amber);letter-spacing:1px}
  .entry-card h3{font-size:18px;margin:10px 0 8px}
  .entry-card p{color:var(--muted);font-size:14.5px}
  .entry-card .arrow{
    display:inline-flex;align-items:center;gap:6px;margin-top:16px;
    font-size:13px;color:var(--accent);letter-spacing:.6px;
  }
  .entry-card .arrow svg{transition:transform .22s var(--ease)}
  .entry-card:hover .arrow svg{transform:translateX(4px)}
  .span-7{grid-column:span 7}
  .span-5{grid-column:span 5}
  .span-6{grid-column:span 6}
  .card-media{
    margin:-26px -26px 18px;height:150px;overflow:hidden;
    border-bottom:1px solid var(--line);border-radius:var(--r-lg) var(--r-lg) 0 0;
  }
  .card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;opacity:.85;transition:transform .4s var(--ease),opacity .3s var(--ease)}
  .entry-card:hover .card-media img{transform:scale(1.04);opacity:.95}

  /* ============ 步骤行列表 ============ */
  .step-rows{border-top:1px solid var(--line)}
  .step-row{
    display:grid;grid-template-columns:88px 1fr auto;gap:24px;align-items:center;
    padding:26px 8px;border-bottom:1px solid var(--line);
    transition:background-color .25s var(--ease),padding-left .25s var(--ease);
  }
  .step-row:hover{background:rgba(34,217,180,.04);padding-left:16px}
  .step-row .s-no{font-family:var(--font-mono);font-size:22px;color:var(--accent);opacity:.85;letter-spacing:0}
  .step-row h3{font-size:18px;margin-bottom:4px}
  .step-row p{color:var(--muted);font-size:14.5px}
  .step-row .s-tag{
    font-size:12px;color:var(--muted);padding:6px 13px;border-radius:var(--r-pill);
    border:1px solid var(--line);white-space:nowrap;
  }

  /* ============ FAQ ============ */
  .faq-wrap{max-width:900px}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{
    width:100%;display:flex;align-items:center;gap:14px;
    padding:22px 4px;text-align:left;
    font-size:16px;font-weight:600;letter-spacing:.5px;color:var(--text);
    transition:color .2s var(--ease);
  }
  .faq-q:hover{color:var(--accent)}
  .faq-q .q-badge{
    width:24px;height:24px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
    border-radius:50%;border:1px solid rgba(255,180,84,.45);
    color:var(--amber);font-family:var(--font-mono);font-size:12px;
  }
  .faq-q .sign{
    margin-left:auto;width:22px;height:22px;flex-shrink:0;position:relative;
    border:1px solid var(--line);border-radius:50%;transition:all .2s var(--ease);
  }
  .faq-q .sign::before,.faq-q .sign::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--muted);border-radius:2px;
    transform:translate(-50%,-50%);transition:transform .2s var(--ease),background-color .2s var(--ease);
  }
  .faq-q .sign::before{width:9px;height:1.6px}
  .faq-q .sign::after{width:1.6px;height:9px}
  .faq-item.open .faq-q .sign{border-color:rgba(34,217,180,.6);background:rgba(34,217,180,.12)}
  .faq-item.open .faq-q .sign::after{transform:translate(-50%,-50%) scaleY(0)}
  .faq-item.open .faq-q .sign::before{background:var(--accent)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .25s var(--ease)}
  .faq-a p{padding:0 42px 22px;color:var(--muted);font-size:15px;line-height:1.95}

  /* ============ 相关分类胶囊 ============ */
  .rel-bar{padding:44px 0 0}
  .rel-title{font-size:13px;letter-spacing:2px;color:var(--weak);margin-bottom:16px}
  .rel-scroll{
    display:flex;gap:12px;overflow-x:auto;padding:4px 2px 14px;
    scrollbar-width:thin;
  }
  .rel-scroll::-webkit-scrollbar{height:5px}
  .rel-scroll::-webkit-scrollbar-thumb{background:rgba(34,217,180,.3);border-radius:99px}
  .rel-chip{
    flex:0 0 auto;padding:10px 20px;border-radius:var(--r-pill);
    border:1px solid var(--line);background:var(--glass);
    font-size:13.5px;color:var(--muted);white-space:nowrap;
    transition:all .2s var(--ease);
  }
  .rel-chip:hover{color:var(--accent);border-color:rgba(34,217,180,.45);background:rgba(34,217,180,.08);transform:translateY(-2px)}
  .rel-chip.current{color:#04120F;background:linear-gradient(160deg,#2CE7BF,#13AE90);border-color:transparent;font-weight:600}

  /* ============ CTA 条 ============ */
  .cta-band{
    position:relative;border-radius:var(--r-lg);
    border:1px solid rgba(34,217,180,.34);
    background:linear-gradient(140deg,rgba(34,217,180,.1),rgba(255,255,255,.03) 55%,rgba(255,180,84,.06));
    box-shadow:0 0 0 1px rgba(34,217,180,.16),0 24px 60px rgba(0,0,0,.55);
    padding:44px 40px;
    display:flex;align-items:center;justify-content:space-between;gap:28px;
    overflow:hidden;
  }
  .cta-band::before{
    content:"";position:absolute;width:340px;height:340px;right:-80px;top:-140px;border-radius:50%;
    background:radial-gradient(circle,rgba(34,217,180,.2),transparent 68%);
    pointer-events:none;
  }
  .cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:8px}
  .cta-band p{color:var(--muted);font-size:15px;max-width:560px}

  /* ============ 页脚 ============ */
  .site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(8,19,32,.7),rgba(5,10,17,.95));padding:72px 0 26px;margin-top:var(--sp-section)}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
  .footer-brand p{color:var(--muted);font-size:14px;margin:18px 0 20px;max-width:320px}
  .social{display:flex;gap:10px}
  .social a{
    width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
    border-radius:11px;border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.03);
    transition:all .2s var(--ease);
  }
  .social a:hover{color:var(--accent);border-color:rgba(34,217,180,.45);background:rgba(34,217,180,.1);transform:translateY(-2px)}
  .footer-col h4{font-size:14px;letter-spacing:1.2px;margin-bottom:16px;color:var(--text)}
  .footer-col a,.footer-col span{display:block;font-size:13.8px;color:var(--muted);padding:6px 0;transition:all .2s var(--ease)}
  .footer-col a:hover{color:var(--accent);transform:translateX(2px)}
  .footer-bottom{
    margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
    display:flex;align-items:center;gap:16px;flex-wrap:wrap;
    font-size:12.5px;color:var(--weak);
  }
  .footer-bottom .mono{color:rgba(111,132,148,.85)}
  .footer-links{margin-left:auto;display:flex;gap:18px;flex-wrap:wrap}
  .footer-links a{color:var(--weak)}
  .footer-links a:hover{color:var(--accent)}

  /* 抽屉 */
  .drawer{
    position:fixed;inset:0;z-index:120;display:none;
    background:rgba(4,10,17,.94);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    padding:26px 22px;
  }
  .drawer.open{display:flex;flex-direction:column}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
  .drawer-close{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid var(--line);color:var(--muted)}
  .drawer-close:hover{color:var(--accent);border-color:rgba(34,217,180,.5)}
  .drawer nav a{
    display:block;font-size:18px;padding:18px 4px;color:var(--text);
    border-bottom:1px solid var(--line);letter-spacing:.6px;
  }
  .drawer nav a.active{color:var(--accent)}
  .drawer nav a:hover{color:var(--accent)}
  .drawer .btn{margin-top:28px;width:100%}

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    :root{--sp-section:72px}
    .dock-links{display:none}
    .menu-btn{display:inline-flex}
    .hero{padding:132px 0 56px}
    .hero-grid{grid-template-columns:1fr;gap:34px}
    .hero-visual{order:-1}
    .visual-frame img{height:260px}
    .intro-grid{grid-template-columns:1fr}
    .asym-grid .span-7,.asym-grid .span-5,.asym-grid .span-6{grid-column:span 12}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
    .cta-band{flex-direction:column;align-items:flex-start}
  }
  @media (max-width:768px){
    :root{--sp-section:56px}
    .container{padding:0 20px}
    .dock{min-height:56px;padding:8px 10px 8px 14px;gap:12px}
    .brand-text small{display:none}
    .dock-actions .btn-sm{display:none}
    .hero{padding:118px 0 44px}
    .hero h1{font-size:clamp(28px,7.4vw,38px)}
    .hero-sub{font-size:15.5px}
    .hero-actions .btn{width:100%}
    .pill-row .info-pill{font-size:12px;padding:7px 13px}
    .wide-split{grid-template-columns:1fr}
    .wide-split img{min-height:170px;height:170px}
    .step-row{grid-template-columns:52px 1fr;gap:14px;padding:20px 6px}
    .step-row .s-tag{display:none}
    .panel{padding:24px}
    .card-media{margin:-24px -24px 16px}
    .cta-band{padding:32px 24px}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;align-items:flex-start}
    .footer-links{margin-left:0}
    .faq-a p{padding:0 6px 20px 38px}
  }
  @media (max-width:480px){
    .hero h1{font-size:27px}
    .sec-title{font-size:23px}
    .entry-card{padding:22px}
    .card-media{margin:-22px -22px 14px;height:130px}
    .visual-frame img{height:200px}
  }

/* roulang page: category2 */
:root{
  --bg:#050A11;
  --bg-2:#081320;
  --bg-3:#0C1B2A;
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.035);
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.16);
  --txt:#EAF2F7;
  --txt-2:#A9BCCB;
  --txt-3:#6F8494;
  --teal:#22D9B4;
  --teal-soft:rgba(34,217,180,.14);
  --amber:#FFB454;
  --amber-soft:rgba(255,180,84,.14);
  --r-xl:22px;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --pill:999px;
  --shadow-card:0 12px 40px rgba(0,0,0,.45);
  --shadow-soft:0 8px 24px rgba(0,0,0,.28);
  --glow:0 0 0 1px rgba(34,217,180,.45), 0 8px 30px rgba(34,217,180,.26);
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:104px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(34,217,180,.10), transparent 62%),
    radial-gradient(900px 520px at 8% 8%, rgba(96,132,190,.10), transparent 60%),
    var(--bg);
  color:var(--txt);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.3px;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.mono{font-family:var(--mono);letter-spacing:.4px;}

/* ---------- 浮动 Dock 导航 ---------- */
.site-nav{position:fixed;top:16px;left:0;right:0;z-index:60;padding:0 16px;pointer-events:none;}
.dock{
  pointer-events:auto;
  max-width:1180px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:14px;
  padding:0 12px 0 16px;
  border-radius:var(--pill);
  background:rgba(8,19,32,.72);
  border:1px solid var(--line);
  box-shadow:0 10px 34px rgba(0,0,0,.42), inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.dock.scrolled{background:rgba(5,10,17,.92);border-color:rgba(255,255,255,.14);box-shadow:0 14px 42px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.1);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  font-family:var(--mono);font-size:15px;font-weight:700;letter-spacing:.6px;
  color:var(--teal);
  padding:5px 9px;border-radius:10px;
  border:1px solid rgba(34,217,180,.38);
  background:rgba(34,217,180,.08);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.brand:hover .brand-mark{box-shadow:0 0 0 1px rgba(34,217,180,.5),0 6px 18px rgba(34,217,180,.28);transform:translateY(-1px);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-size:15px;font-weight:700;letter-spacing:.8px;}
.brand-text small{font-size:10.5px;font-weight:400;color:var(--txt-3);letter-spacing:.4px;margin-top:2px;}
.dock-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-links a{
  position:relative;display:inline-block;
  padding:8px 10px;border-radius:var(--pill);
  font-size:13px;color:var(--txt-2);white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.dock-links a:hover{color:var(--txt);background:rgba(255,255,255,.06);}
.dock-links a.active{color:var(--txt);}
.dock-links a.active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--teal);
  box-shadow:0 0 10px rgba(34,217,180,.8);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:var(--pill);
  color:var(--txt-2);border:1px solid transparent;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn:hover{color:var(--teal);background:rgba(34,217,180,.1);border-color:rgba(34,217,180,.28);}
.menu-btn{
  display:none;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--pill);
  color:var(--txt);border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.menu-btn:hover{border-color:rgba(255,255,255,.24);background:rgba(255,255,255,.1);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:var(--pill);
  font-size:15px;font-weight:600;letter-spacing:.6px;line-height:1;
  border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-sm{padding:9px 16px;font-size:13px;}
.btn-primary{
  background:linear-gradient(180deg,#2BE7C0,#15C6A2);
  color:#04211B;
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(34,217,180,.6),0 12px 36px rgba(34,217,180,.38);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(34,217,180,.5),0 6px 18px rgba(34,217,180,.22);}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:rgba(255,255,255,.12);
  color:var(--txt);
}
.btn-ghost:hover{border-color:rgba(255,255,255,.26);background:rgba(255,255,255,.07);color:#fff;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;
  background:rgba(5,10,17,.94);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:22px 22px 40px;
  overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.drawer.open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:38px;height:38px;border-radius:var(--pill);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--txt);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.drawer-close:hover{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.08);}
.drawer nav{display:flex;flex-direction:column;margin-top:8px;}
.drawer nav a{
  padding:16px 4px;font-size:18px;color:var(--txt-2);
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer nav a:hover,.drawer nav a.active{color:var(--teal);padding-left:8px;}
.drawer nav a span.arrow{color:var(--txt-3);font-size:14px;font-family:var(--mono);}
.drawer-cta{margin-top:24px;display:flex;}

/* ---------- 页首区 ---------- */
.page-hero{
  position:relative;
  padding:132px 0 64px;
  overflow:hidden;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.20;filter:saturate(.85);
  z-index:0;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(5,10,17,.72) 0%,rgba(5,10,17,.9) 62%,var(--bg) 100%);
}
.page-hero .container{position:relative;z-index:2;}

.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--txt-3);margin-bottom:26px;}
.crumbs a{color:var(--txt-2);transition:color .2s var(--ease);}
.crumbs a:hover{color:var(--teal);}
.crumbs .sep{color:rgba(255,255,255,.24);font-family:var(--mono);}
.crumbs .current{color:var(--teal);}

.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:44px;align-items:end;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--pill);
  font-size:12px;letter-spacing:1.2px;color:var(--teal);
  background:rgba(34,217,180,.09);
  border:1px solid rgba(34,217,180,.26);
  margin-bottom:20px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--teal);box-shadow:0 0 10px var(--teal);}
h1{
  font-size:clamp(30px,4.1vw,48px);
  line-height:1.18;font-weight:700;letter-spacing:.8px;
  margin-bottom:18px;
}
h1 em{font-style:normal;color:var(--teal);}
.hero-lead{font-size:16.5px;color:var(--txt-2);line-height:1.9;max-width:640px;}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--pill);
  font-size:13px;color:var(--txt-2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.pill:hover{border-color:rgba(34,217,180,.4);color:var(--txt);transform:translateY(-1px);}
.pill svg{color:var(--teal);flex:0 0 auto;}

/* 阶段进度小卡 */
.progress-card{
  border-radius:var(--r-xl);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.1);
  padding:22px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.progress-card h2{font-size:14px;font-weight:700;letter-spacing:1px;color:var(--txt-2);margin-bottom:16px;}
.progress-track{display:flex;flex-direction:column;gap:0;}
.progress-step{display:flex;gap:12px;align-items:flex-start;padding-bottom:16px;position:relative;}
.progress-step:last-child{padding-bottom:0;}
.progress-step::before{
  content:"";position:absolute;left:11px;top:24px;bottom:0;width:1px;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.18) 0 4px,transparent 4px 8px);
}
.progress-step:last-child::before{display:none;}
.dot{
  flex:0 0 auto;width:23px;height:23px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:11px;font-weight:700;
  color:var(--amber);background:var(--amber-soft);
  border:1px solid rgba(255,180,84,.4);
  position:relative;z-index:1;
}
.progress-step.done .dot{color:var(--teal);background:var(--teal-soft);border-color:rgba(34,217,180,.45);box-shadow:0 0 12px rgba(34,217,180,.32);}
.progress-step strong{display:block;font-size:14px;font-weight:600;color:var(--txt);line-height:1.5;}
.progress-step span{display:block;font-size:12.5px;color:var(--txt-3);line-height:1.7;margin-top:2px;}

/* ---------- 主体：粘性目录 + 长内容 ---------- */
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
.content-grid{display:grid;grid-template-columns:266px minmax(0,1fr);gap:52px;align-items:start;}

.toc{position:sticky;top:104px;}
.toc-inner{
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft), inset 0 1px 0 rgba(255,255,255,.07);
  padding:20px 18px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.toc-title{
  font-size:12px;letter-spacing:1.6px;color:var(--txt-3);
  font-family:var(--mono);text-transform:uppercase;
  padding-bottom:12px;margin-bottom:10px;border-bottom:1px solid var(--line);
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:10px;
  font-size:14px;color:var(--txt-2);line-height:1.6;
  transition:color .2s var(--ease),background .2s var(--ease),padding-left .2s var(--ease);
}
.toc-list a::before{
  content:"";width:5px;height:5px;border-radius:50%;flex:0 0 auto;
  background:rgba(255,255,255,.22);transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.toc-list a:hover{color:var(--txt);background:rgba(255,255,255,.05);padding-left:13px;}
.toc-list a.current{color:var(--teal);background:rgba(34,217,180,.09);}
.toc-list a.current::before{background:var(--teal);box-shadow:0 0 9px rgba(34,217,180,.9);}
.toc-note{
  margin-top:16px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.12);
  font-size:12.5px;color:var(--txt-3);line-height:1.8;
}
.toc-note a{color:var(--teal);border-bottom:1px solid rgba(34,217,180,.4);}
.toc-note a:hover{color:#fff;}

.article-body{min-width:0;}
.step-block{padding:34px 0;border-top:1px dashed rgba(255,255,255,.14);}
.step-block:first-child{padding-top:0;border-top:0;}
.step-head{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
.step-index{
  font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--amber);
  padding:5px 11px;border-radius:9px;
  background:var(--amber-soft);border:1px solid rgba(255,180,84,.34);
}
.step-block h2{
  font-size:clamp(21px,2.4vw,26px);font-weight:700;letter-spacing:.7px;line-height:1.35;
}
.step-block h3{font-size:17px;font-weight:700;letter-spacing:.5px;margin:22px 0 8px;color:var(--txt);}
.step-block p{color:var(--txt-2);line-height:1.95;margin-bottom:14px;}
.step-block p:last-child{margin-bottom:0;}
.step-block strong{color:var(--txt);font-weight:600;}

/* 地址栏样式装饰 */
.urlbar{
  display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:12px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  margin:18px 0;
  font-family:var(--mono);font-size:13px;color:var(--txt-2);
  overflow-x:auto;white-space:nowrap;
  transition:border-color .2s var(--ease);
}
.urlbar:hover{border-color:rgba(34,217,180,.34);}
.urlbar .lock{color:var(--teal);flex:0 0 auto;}
.urlbar .tag{
  margin-left:auto;flex:0 0 auto;
  font-family:var(--sans);font-size:11.5px;letter-spacing:.6px;
  padding:3px 9px;border-radius:var(--pill);
  color:var(--amber);background:var(--amber-soft);border:1px solid rgba(255,180,84,.3);
}

/* 检查点列表 */
.check-list{display:flex;flex-direction:column;gap:10px;margin:16px 0;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;border-radius:var(--r-md);
  background:var(--glass-2);
  border:1px solid var(--line);
  color:var(--txt-2);font-size:15px;line-height:1.85;
  transition:border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.check-list li:hover{border-color:rgba(34,217,180,.3);background:rgba(255,255,255,.06);transform:translateX(3px);}
.check-list li svg{flex:0 0 auto;margin-top:5px;color:var(--teal);}
.check-list li b{color:var(--txt);font-weight:600;}

/* 两列信息块（非等宽） */
.split-cards{display:grid;grid-template-columns:1fr 1.25fr;gap:18px;margin:20px 0;}
.info-card{
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft), inset 0 1px 0 rgba(255,255,255,.07);
  padding:20px;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.info-card:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.2);box-shadow:var(--shadow-card);}
.info-card h4{font-size:15px;font-weight:700;letter-spacing:.6px;margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.info-card h4 .ic{
  width:26px;height:26px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--teal-soft);color:var(--teal);border:1px solid rgba(34,217,180,.3);flex:0 0 auto;
}
.info-card.warm h4 .ic{background:var(--amber-soft);color:var(--amber);border-color:rgba(255,180,84,.3);}
.info-card p{font-size:14px;color:var(--txt-2);line-height:1.9;margin:0;}
.info-card ul{margin-top:8px;display:flex;flex-direction:column;gap:7px;}
.info-card ul li{font-size:13.5px;color:var(--txt-2);line-height:1.8;padding-left:15px;position:relative;}
.info-card ul li::before{content:"";position:absolute;left:0;top:10px;width:5px;height:5px;border-radius:50%;background:rgba(34,217,180,.65);}

/* 流程图 */
.flow{display:flex;flex-direction:column;gap:0;margin:18px 0;}
.flow-item{display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;padding-bottom:20px;position:relative;}
.flow-item:last-child{padding-bottom:0;}
.flow-item::before{
  content:"";position:absolute;left:21px;top:44px;bottom:0;width:1px;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.2) 0 4px,transparent 4px 8px);
}
.flow-item:last-child::before{display:none;}
.flow-num{
  width:44px;height:44px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-weight:700;font-size:15px;color:var(--teal);
  background:rgba(34,217,180,.1);border:1px solid rgba(34,217,180,.3);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1);
  position:relative;z-index:1;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.flow-item:hover .flow-num{box-shadow:0 0 0 1px rgba(34,217,180,.5),0 6px 20px rgba(34,217,180,.3);transform:translateY(-2px);}
.flow-body h3{margin:6px 0 6px;font-size:16.5px;}
.flow-body p{font-size:14.5px;color:var(--txt-2);line-height:1.9;margin:0;}

/* 图片块 */
.figure-block{
  margin:24px 0;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  background:var(--bg-2);
}
.figure-block img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease);}
.figure-block:hover img{transform:scale(1.03);}
.figure-cap{
  padding:11px 16px;font-size:13px;color:var(--txt-3);
  border-top:1px solid var(--line);background:rgba(255,255,255,.03);line-height:1.7;
}

/* 提示条 */
.note-bar{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--r-md);
  background:rgba(255,180,84,.07);
  border:1px solid rgba(255,180,84,.26);
  border-left:3px solid var(--amber);
  color:var(--txt-2);font-size:14.5px;line-height:1.9;
  margin:20px 0;
}
.note-bar svg{flex:0 0 auto;margin-top:5px;color:var(--amber);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.section-head{margin-bottom:34px;}
.section-head .kicker{
  font-family:var(--mono);font-size:12px;letter-spacing:1.8px;color:var(--teal);
  text-transform:uppercase;margin-bottom:10px;display:block;
}
.section-head h2{font-size:clamp(23px,2.9vw,32px);font-weight:700;letter-spacing:.8px;line-height:1.3;}
.section-head p{color:var(--txt-2);font-size:15px;margin-top:10px;line-height:1.9;}

.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 6px;text-align:left;
  font-size:16px;font-weight:600;letter-spacing:.4px;color:var(--txt);line-height:1.6;
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.faq-q:hover{color:var(--teal);padding-left:12px;}
.faq-badge{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:13px;font-weight:700;
  color:var(--amber);background:var(--amber-soft);border:1px solid rgba(255,180,84,.32);
}
.faq-sign{
  margin-left:auto;flex:0 0 auto;width:22px;height:22px;position:relative;
  color:var(--txt-3);transition:color .2s var(--ease),transform .2s var(--ease);
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-sign::before{left:3px;right:3px;top:10px;height:2px;}
.faq-sign::after{top:3px;bottom:3px;left:10px;width:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.faq-item.open .faq-sign{color:var(--teal);}
.faq-item.open .faq-sign::after{transform:scaleY(0);opacity:0;}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s var(--ease);}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{
  padding:0 6px 22px 46px;font-size:15px;color:var(--txt-2);line-height:1.95;margin:0;
}

/* ---------- CTA ---------- */
.cta-wrap{padding:20px 0 8px;}
.cta-box{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  padding:44px 40px;
  background:linear-gradient(150deg,rgba(34,217,180,.12),rgba(255,255,255,.03) 55%,rgba(255,255,255,.015));
  border:1px solid rgba(34,217,180,.34);
  box-shadow:0 0 0 1px rgba(34,217,180,.12),0 22px 60px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.1);
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);
  gap:28px;align-items:center;
}
.cta-box::before{
  content:"";position:absolute;width:340px;height:340px;right:-110px;top:-140px;
  background:radial-gradient(circle,rgba(34,217,180,.3),transparent 66%);
  pointer-events:none;
}
.cta-box h2{font-size:clamp(21px,2.6vw,28px);font-weight:700;letter-spacing:.8px;line-height:1.35;position:relative;}
.cta-box p{color:var(--txt-2);font-size:15px;margin-top:12px;line-height:1.9;position:relative;}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;}

/* ---------- 相关分类胶囊 ---------- */
.rel-wrap{padding:44px 0 76px;}
.rel-title{font-size:13px;letter-spacing:1.6px;color:var(--txt-3);font-family:var(--mono);margin-bottom:16px;}
.rel-cats{display:flex;gap:12px;overflow-x:auto;padding-bottom:10px;scrollbar-width:thin;}
.rel-cats::-webkit-scrollbar{height:5px;}
.rel-cats::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:99px;}
.rel-cats a{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:9px;
  padding:11px 18px;border-radius:var(--pill);
  font-size:14px;color:var(--txt-2);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  white-space:nowrap;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.rel-cats a:hover{color:var(--txt);border-color:rgba(34,217,180,.42);background:rgba(34,217,180,.1);transform:translateY(-2px);}
.rel-cats a .num{font-family:var(--mono);font-size:11.5px;color:var(--amber);}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,19,32,.6),rgba(5,10,17,1));
  padding:60px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr .8fr .8fr .9fr;gap:36px;}
.footer-brand p{color:var(--txt-3);font-size:14px;line-height:1.9;margin-top:14px;max-width:320px;}
.social{display:flex;gap:10px;margin-top:18px;}
.social a{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--txt-2);background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.social a:hover{color:var(--teal);border-color:rgba(34,217,180,.4);transform:translateY(-2px);}
.footer-col h4{font-size:13px;letter-spacing:1.4px;color:var(--txt);font-weight:700;margin-bottom:16px;}
.footer-col a,.footer-col span{
  display:block;font-size:13.5px;color:var(--txt-3);line-height:1.8;padding:5px 0;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:var(--txt);transform:translateX(2px);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between;
  font-size:12.5px;color:var(--txt-3);
}
.footer-links{display:flex;gap:18px;}
.footer-links a{color:var(--txt-3);transition:color .2s var(--ease);}
.footer-links a:hover{color:var(--teal);}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .dock-links{display:none;}
  .menu-btn{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:30px;align-items:start;}
  .content-grid{grid-template-columns:1fr;gap:30px;}
  .toc{position:static;}
  .toc-inner{padding:16px;}
  .toc-list{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .toc-list a{padding:7px 12px;border:1px solid var(--line);border-radius:var(--pill);font-size:13px;}
  .toc-list a::before{display:none;}
  .toc-list a:hover{padding-left:12px;}
  .toc-note{display:none;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .split-cards{grid-template-columns:1fr 1fr;}
  .cta-box{grid-template-columns:1fr;padding:34px 26px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .page-hero{padding:112px 0 46px;}
  .section{padding:56px 0;}
  .section-tight{padding:42px 0;}
  .split-cards{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .faq-q{font-size:15px;padding:17px 4px;gap:10px;}
  .faq-a p{padding-left:4px;}
  .rel-wrap{padding:36px 0 60px;}
  .step-block{padding:28px 0;}
  .urlbar{font-size:12px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  body{letter-spacing:.2px;}
  h1{font-size:clamp(26px,7.6vw,34px);}
  .brand-text small{display:none;}
  .dock{height:56px;padding:0 10px 0 12px;gap:8px;}
  .dock-actions .btn-sm{padding:8px 12px;font-size:12px;}
  .hero-pills{gap:8px;}
  .pill{font-size:12px;padding:7px 11px;}
  .flow-item{grid-template-columns:36px minmax(0,1fr);gap:12px;}
  .flow-num{width:36px;height:36px;border-radius:11px;font-size:13px;}
  .flow-item::before{left:17px;top:36px;}
  .footer-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .dock-actions .btn-sm{width:auto;}
  .cta-box{padding:28px 20px;}
  .step-head{flex-wrap:wrap;gap:10px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition:none !important;animation:none !important;}
}

/* roulang page: category3 */
:root{
  --bg:#050A11;
  --bg-2:#081320;
  --bg-3:#0C1B2A;
  --text:#EAF2F7;
  --text-2:#A9BCCB;
  --text-3:#6F8494;
  --accent:#22D9B4;
  --accent-soft:rgba(34,217,180,.12);
  --amber:#FFB454;
  --glass:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:20px;
  --pill:999px;
  --shadow-card:0 12px 40px rgba(0,0,0,.45);
  --shadow-lift:0 18px 48px rgba(0,0,0,.55);
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 80% -10%, rgba(34,217,180,.10), transparent 62%),
    radial-gradient(720px 420px at 6% 4%, rgba(255,180,84,.055), transparent 65%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.6px;line-height:1.24}
p{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:8px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.mono{font-family:var(--mono)}

/* ---------- 导航 ---------- */
.site-nav{position:fixed;top:18px;left:0;right:0;z-index:60;padding:0 20px}
.dock{
  max-width:1160px;margin:0 auto;display:flex;align-items:center;gap:16px;
  height:64px;padding:0 14px 0 18px;border-radius:var(--pill);
  background:rgba(8,19,32,.62);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:0 12px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.08);
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.dock.is-scrolled{
  background:rgba(5,10,17,.9);
  border-color:rgba(255,255,255,.16);
  box-shadow:0 16px 46px rgba(0,0,0,.62), inset 0 1px 0 rgba(255,255,255,.1);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  font-family:var(--mono);font-size:16px;font-weight:700;letter-spacing:.5px;
  color:#04120F;background:linear-gradient(135deg,#22D9B4,#8DF2DC);
  padding:4px 9px;border-radius:9px;
  box-shadow:0 0 0 1px rgba(34,217,180,.5),0 6px 18px rgba(34,217,180,.25);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;font-size:14px;font-weight:700;letter-spacing:.6px}
.brand-text small{font-size:11px;font-weight:400;color:var(--text-3);letter-spacing:.2px}
.dock-links{display:flex;align-items:center;gap:2px;margin:0 auto}
.dock-links a{
  position:relative;padding:8px 9px;font-size:13px;color:var(--text-2);white-space:nowrap;
  border-radius:var(--pill);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.dock-links a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.dock-links a.active{color:var(--text)}
.dock-links a.active::after{
  content:"";position:absolute;left:9px;right:9px;bottom:2px;height:2px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 12px rgba(34,217,180,.85);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:36px;height:36px;display:grid;place-items:center;border-radius:50%;
  color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{color:var(--accent);border-color:rgba(34,217,180,.4);transform:translateY(-1px)}
.menu-btn{display:none;width:36px;height:36px;place-items:center;border-radius:50%;color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.03)}
.menu-btn:hover{color:var(--accent);border-color:rgba(34,217,180,.4)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--pill);
  font-size:15px;font-weight:600;letter-spacing:.5px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  color:#04120F;background:linear-gradient(135deg,#22D9B4,#5FE6C9);
  box-shadow:0 0 0 1px rgba(34,217,180,.5),0 8px 30px rgba(34,217,180,.28);
}
.btn-primary:hover{
  background:linear-gradient(135deg,#31E8C4,#7BEFD7);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(34,217,180,.6),0 12px 38px rgba(34,217,180,.38);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(34,217,180,.45),0 6px 18px rgba(34,217,180,.24)}
.btn-ghost{
  color:var(--text);background:transparent;border:1px solid rgba(255,255,255,.12);
}
.btn-ghost:hover{border-color:rgba(255,255,255,.26);color:#fff;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{min-height:38px;padding:0 16px;font-size:13.5px}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:80;display:none;
  background:rgba(5,10,17,.94);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  padding:24px 20px 32px;overflow-y:auto;
}
.drawer.open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{
  padding:16px 4px;font-size:18px;color:var(--text-2);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:color .2s var(--ease);
}
.drawer-links a:hover{color:var(--accent)}
.drawer-links a.active{color:var(--accent)}
.drawer .btn{width:100%;margin-top:26px}

/* ---------- Hero ---------- */
.hero{padding:136px 0 76px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:1px;
  color:var(--accent);padding:6px 13px;border-radius:var(--pill);
  background:var(--accent-soft);border:1px solid rgba(34,217,180,.26);
}
.hero h1{font-size:clamp(32px,4.6vw,52px);line-height:1.16;margin-top:20px}
.lede{color:var(--text-2);font-size:17px;margin-top:18px;max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pill{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--text-2);
  padding:7px 13px;border-radius:var(--pill);background:var(--glass);border:1px solid var(--line);
}
.pill svg{color:var(--accent);flex:0 0 auto}
.hero-media{
  position:relative;border-radius:var(--radius-lg);padding:14px;
  background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.1);
  box-shadow:0 26px 64px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.1);
}
.hero-media::after{
  content:"";position:absolute;inset:-1px;border-radius:inherit;pointer-events:none;
  box-shadow:0 0 60px rgba(34,217,180,.14);
}
.urlbar{
  display:flex;align-items:center;gap:9px;margin-bottom:12px;padding:8px 12px;
  font-family:var(--mono);font-size:11.5px;color:var(--text-3);
  border-radius:10px;background:rgba(5,10,17,.75);border:1px solid var(--line);
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--text-3);opacity:.55;flex:0 0 auto}
.dot.live{background:var(--accent);opacity:1;box-shadow:0 0 8px rgba(34,217,180,.9)}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:14px}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;position:relative}
.section-tight{padding:64px 0}
.section-head{max-width:740px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.26;margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16px}
.rule{height:1px;background:linear-gradient(90deg,rgba(34,217,180,.5),rgba(255,255,255,.06) 45%,transparent);border:0;margin:0}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:72px}
.timeline::before{
  content:"";position:absolute;left:24px;top:8px;bottom:8px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(34,217,180,.8),rgba(34,217,180,.2) 58%,rgba(255,180,84,.5));
  box-shadow:0 0 18px rgba(34,217,180,.35);
}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-node{
  position:absolute;left:-72px;top:0;width:50px;height:50px;display:grid;place-items:center;
  font-family:var(--mono);font-size:14px;font-weight:700;color:var(--accent);
  border-radius:14px;background:rgba(8,19,32,.96);border:1px solid rgba(34,217,180,.35);
  box-shadow:0 0 0 6px rgba(5,10,17,.9),0 0 24px rgba(34,217,180,.22);
}
.tl-body{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.tl-body:hover{transform:translateY(-3px);border-color:rgba(34,217,180,.32);box-shadow:var(--shadow-lift),inset 0 1px 0 rgba(255,255,255,.08)}
.tl-top{display:flex;align-items:center;gap:12px;justify-content:space-between;flex-wrap:wrap}
.tl-top h3{font-size:19px}
.badge{
  font-size:12px;color:var(--amber);padding:4px 10px;border-radius:var(--pill);white-space:nowrap;
  background:rgba(255,180,84,.1);border:1px solid rgba(255,180,84,.28);
}
.tl-body p{margin-top:10px;color:var(--text-2);font-size:15.5px}
.tl-body p.tight{margin-top:5px}

/* ---------- 清单 ---------- */
.split{display:grid;grid-template-columns:.88fr 1.12fr;gap:52px;align-items:start}
.split-aside{position:sticky;top:120px}
.split-aside h2{font-size:clamp(24px,3vw,34px);line-height:1.26;margin-bottom:16px}
.split-aside p{color:var(--text-2);font-size:15.5px}
.aside-note{
  margin-top:24px;padding:16px 18px;border-radius:var(--radius);
  border:1px solid rgba(255,180,84,.24);background:rgba(255,180,84,.07);
  font-size:14px;color:var(--text-2);
}
.check-row{
  display:flex;gap:16px;padding:20px 6px;border-top:1px dashed rgba(255,255,255,.13);
  transition:background .2s var(--ease);
}
.check-row:last-child{border-bottom:1px dashed rgba(255,255,255,.13)}
.check-row:hover{background:rgba(255,255,255,.035)}
.check-idx{font-family:var(--mono);font-size:13px;color:var(--amber);padding-top:5px;min-width:24px}
.check-row h4{font-size:17px;margin-bottom:4px}
.check-row p{color:var(--text-2);font-size:14.5px}

/* ---------- 数据条带 ---------- */
.stat-band{padding:46px 0;background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:0 26px;border-left:1px solid rgba(255,255,255,.08)}
.stat:first-child{border-left:0;padding-left:0}
.stat-num{font-family:var(--mono);font-size:clamp(28px,3.4vw,42px);font-weight:700;color:var(--accent);line-height:1.1}
.stat-num span{font-family:var(--font);font-size:13.5px;font-weight:400;color:var(--text-3);margin-left:7px}
.stat-label{margin-top:6px;color:var(--text-2);font-size:14px}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene-card{
  border-radius:18px;overflow:hidden;background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(34,217,180,.3);box-shadow:var(--shadow-lift)}
.scene-img{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-3)}
.scene-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.scene-card:hover .scene-img img{transform:scale(1.03)}
.scene-img .tag{position:absolute;left:14px;top:14px}
.tag{
  display:inline-block;font-size:12px;padding:4px 11px;border-radius:8px;
  color:var(--amber);background:rgba(8,19,32,.85);border:1px solid rgba(255,180,84,.3);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.scene-body{padding:22px 24px 26px}
.scene-body h3{font-size:19px;margin-bottom:8px}
.scene-body p{color:var(--text-2);font-size:14.5px}

/* ---------- FAQ ---------- */
.faq{max-width:940px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;padding:20px 4px;
  font-size:16.5px;font-weight:600;letter-spacing:.4px;text-align:left;color:var(--text);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--accent)}
.qmark{
  width:26px;height:26px;flex:0 0 26px;display:grid;place-items:center;border-radius:8px;
  font-size:13px;font-weight:700;color:var(--accent);
  background:rgba(34,217,180,.12);border:1px solid rgba(34,217,180,.25);
}
.sign{margin-left:auto;font-size:20px;line-height:1;color:var(--text-3);transition:transform .25s var(--ease),color .25s var(--ease)}
.faq-item.open .sign{transform:rotate(45deg);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a p{padding:0 4px 22px 44px;color:var(--text-2);font-size:15.5px}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:40px 44px;border-radius:22px;
  border:1px solid rgba(34,217,180,.34);
  background:linear-gradient(135deg,rgba(34,217,180,.12),rgba(255,255,255,.03) 55%,rgba(255,180,84,.07));
  box-shadow:0 0 0 1px rgba(34,217,180,.1),0 22px 60px rgba(0,0,0,.48);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.28;margin-bottom:10px}
.cta-band p{color:var(--text-2);font-size:15.5px;max-width:60ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 相关分类 ---------- */
.pill-row{display:flex;gap:12px;overflow-x:auto;padding:4px 2px 16px;scrollbar-width:thin}
.pill-row::-webkit-scrollbar{height:6px}
.pill-row::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
.pill-row a{
  flex:0 0 auto;padding:10px 17px;border-radius:var(--pill);font-size:14px;color:var(--text-2);
  border:1px solid var(--line);background:var(--glass);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.pill-row a:hover{color:var(--text);border-color:rgba(34,217,180,.42);transform:translateY(-2px);background:rgba(34,217,180,.07)}
.pill-row a.current{color:var(--accent);border-color:rgba(34,217,180,.5);background:rgba(34,217,180,.1)}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-2);padding:64px 0 0;margin-top:64px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px}
.footer-brand p{color:var(--text-2);font-size:14.5px;margin-top:16px;max-width:34ch}
.social{display:flex;gap:10px;margin-top:20px}
.social a{
  width:34px;height:34px;display:grid;place-items:center;border-radius:10px;
  color:var(--text-2);border:1px solid var(--line);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.social a:hover{color:var(--accent);border-color:rgba(34,217,180,.42);transform:translateY(-2px)}
.footer-col h4{font-size:14px;letter-spacing:.6px;margin-bottom:14px;color:var(--text)}
.footer-col a{display:block;font-size:14px;color:var(--text-2);padding:6px 0;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-col span{display:block;font-size:13.5px;color:var(--text-3);padding:6px 0}
.footer-bottom{
  margin-top:50px;border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);
}
.footer-links{margin-left:auto;display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .dock-links a{font-size:12.5px;padding:8px 7px}
}
@media (max-width:1024px){
  .dock-links{display:none}
  .menu-btn{display:grid}
  .hero{padding-top:120px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{order:-1}
  .split{grid-template-columns:1fr;gap:30px}
  .split-aside{position:static}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .stat{border-left:0;padding:0}
  .stat:nth-child(2n){padding-left:26px;border-left:1px solid rgba(255,255,255,.08)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:820px){
  .scene-grid{grid-template-columns:1fr}
  .section{padding:64px 0}
  .cta-band{padding:30px 26px}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .site-nav{top:12px;padding:0 14px}
  .dock{height:58px;padding:0 10px 0 14px;gap:10px}
  .brand-text small{display:none}
  .brand-text{font-size:13.5px}
  .hero{padding:104px 0 52px}
  .hero h1{font-size:clamp(28px,7.6vw,36px)}
  .lede{font-size:15.5px}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .dock-actions .btn-sm{display:none}
  .timeline{padding-left:50px}
  .timeline::before{left:16px}
  .tl-node{left:-50px;width:36px;height:36px;font-size:12px;border-radius:10px}
  .tl-body{padding:18px 18px}
  .tl-top h3{font-size:17px}
  .stat-grid{grid-template-columns:1fr}
  .stat{padding:0}
  .stat:nth-child(2n){padding-left:0;border-left:0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .footer-links{margin-left:0}
  .faq-a p{padding-left:4px}
  .cta-actions{width:100%}
}
@media (max-width:420px){
  .eyebrow{font-size:11.5px}
  .pill{font-size:12px}
}

/* roulang page: category5 */
:root{
  --bg:#050A11;
  --bg-2:#081320;
  --bg-3:#0C1B2A;
  --glass:rgba(255,255,255,.05);
  --glass-strong:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --txt:#EAF2F7;
  --muted:#A9BCCB;
  --weak:#6F8494;
  --teal:#22D9B4;
  --amber:#FFB454;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 12px 40px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(34,217,180,.5), 0 8px 30px rgba(34,217,180,.28);
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--txt);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.4px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(760px 460px at 78% -6%, rgba(34,217,180,.10), transparent 68%),
    radial-gradient(620px 420px at 6% 12%, rgba(255,180,84,.05), transparent 70%),
    radial-gradient(900px 700px at 50% 108%, rgba(34,217,180,.06), transparent 72%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.8px;line-height:1.2}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.mono{font-family:var(--mono)}

/* ---------- 导航 ---------- */
.site-nav{
  position:fixed;
  top:18px;left:0;right:0;
  z-index:90;
  display:flex;
  justify-content:center;
  padding:0 16px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:100%;
  max-width:1240px;
  display:flex;
  align-items:center;
  gap:18px;
  height:64px;
  padding:0 12px 0 18px;
  border-radius:999px;
  background:rgba(8,19,32,.66);
  border:1px solid var(--line);
  box-shadow:0 10px 34px rgba(0,0,0,.42), inset 0 1px 0 rgba(255,255,255,.08);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:background .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.dock.scrolled{
  background:rgba(5,10,17,.86);
  border-color:var(--line-strong);
  box-shadow:0 16px 46px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.1);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  font-family:var(--mono);
  font-size:19px;
  font-weight:700;
  letter-spacing:1px;
  color:#04120E;
  background:linear-gradient(150deg,#37EFC8,#17B393);
  padding:5px 11px;
  border-radius:10px;
  box-shadow:0 6px 18px rgba(34,217,180,.3);
}
.brand-text{
  display:flex;flex-direction:column;line-height:1.1;
  font-size:15px;font-weight:700;color:var(--txt);letter-spacing:1px;
}
.brand-text small{
  font-size:10.5px;font-weight:400;color:var(--weak);
  letter-spacing:.6px;margin-top:3px;
}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
.dock-links a{
  position:relative;
  display:inline-block;
  padding:8px 10px;
  font-size:13.5px;
  color:var(--muted);
  border-radius:10px;
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.dock-links a::after{
  content:"";position:absolute;left:10px;right:10px;bottom:1px;height:2px;
  background:var(--teal);border-radius:2px;opacity:0;transform:scaleX(.4);
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.dock-links a:hover{color:var(--txt);background:rgba(255,255,255,.05)}
.dock-links a.active{color:var(--txt)}
.dock-links a.active::after{opacity:1;transform:scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--muted);cursor:pointer;
  transition:all .2s var(--ease);
}
.icon-btn:hover{color:var(--teal);border-color:rgba(34,217,180,.45);background:rgba(34,217,180,.1)}
.icon-btn:active{transform:scale(.94)}
.menu-btn{
  display:none;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--txt);cursor:pointer;
  transition:all .2s var(--ease);
}
.menu-btn:hover{border-color:rgba(34,217,180,.45);color:var(--teal)}
.menu-btn:active{transform:scale(.94)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.6px;cursor:pointer;
  transition:all .2s var(--ease);
}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn-primary{
  background:linear-gradient(180deg,#2AE6BF,#1CC4A1);
  color:#04120E;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(34,217,180,.72),0 14px 38px rgba(34,217,180,.4)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(34,217,180,.45),0 4px 14px rgba(34,217,180,.22)}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:rgba(255,255,255,.12);
  color:var(--txt);
}
.btn-ghost:hover{border-color:rgba(255,255,255,.26);background:rgba(255,255,255,.07);color:#fff}
.btn-ghost:active{transform:translateY(1px)}

/* ---------- 通用 ---------- */
.section{padding:96px 0;position:relative}
.section-tight{padding:72px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12px;letter-spacing:2px;
  color:var(--teal);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--teal);opacity:.7}
.h2{font-size:clamp(24px,3vw,36px);line-height:1.24}
.lead{color:var(--muted);font-size:16.5px;line-height:1.95}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;flex-wrap:wrap}
.sec-head p{color:var(--muted);max-width:600px;margin-top:12px;font-size:15.5px}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.14),transparent)}
.card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(255,255,255,.08);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(34,217,180,.32);box-shadow:0 18px 46px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.12)}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  font-size:13px;color:var(--muted);
  transition:all .2s var(--ease);
}
.pill:hover{color:var(--txt);border-color:rgba(34,217,180,.4);background:rgba(34,217,180,.08)}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--teal);box-shadow:0 0 10px rgba(34,217,180,.8)}
.badge{
  display:inline-block;padding:4px 10px;border-radius:8px;
  font-size:12px;letter-spacing:.8px;
  background:rgba(255,180,84,.12);
  border:1px solid rgba(255,180,84,.3);
  color:var(--amber);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:148px 0 84px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.16;
  filter:saturate(.85);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,10,17,.5) 0%,rgba(5,10,17,.86) 55%,var(--bg) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:940px;margin:0 auto;text-align:center}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.16;
  margin:20px 0 20px;
}
.hero h1 em{
  font-style:normal;
  color:var(--teal);
  text-shadow:0 0 32px rgba(34,217,180,.35);
}
.hero .lead{max-width:720px;margin:0 auto 30px;font-size:17px}
.hero-points{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.hero-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.addrbar{
  display:flex;align-items:center;gap:12px;
  max-width:640px;margin:38px auto 0;
  padding:10px 16px;border-radius:999px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  font-family:var(--mono);font-size:12.5px;color:var(--weak);
  letter-spacing:1px;
}
.addrbar .lights{display:flex;gap:5px}
.addrbar .lights i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.16);display:block}
.addrbar .lights i:first-child{background:rgba(255,180,84,.6)}
.addrbar .lights i:nth-child(2){background:rgba(34,217,180,.55)}
.addrbar .track{flex:1;height:1px;background:repeating-linear-gradient(90deg,rgba(34,217,180,.5) 0 6px,transparent 6px 12px)}

/* ---------- 覆盖范围 ---------- */
.scope-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:22px;
}
.scope-big{padding:34px;display:flex;flex-direction:column;justify-content:space-between;min-height:280px}
.scope-small{
  padding:26px;
  display:flex;flex-direction:column;gap:10px;
}
.scope-stack{display:grid;grid-template-rows:1fr 1fr;gap:22px}
.num{
  font-family:var(--mono);font-size:13px;letter-spacing:2px;color:var(--amber);
}
.scope-big h3,.scope-small h3{font-size:20px;line-height:1.35}
.scope-big p,.scope-small p{color:var(--muted);font-size:14.5px;line-height:1.85;margin-top:8px}
.arrow{
  align-self:flex-end;margin-top:18px;
  color:var(--teal);opacity:.75;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.card:hover .arrow{transform:translateX(4px);opacity:1}

/* ---------- 现象速查 ---------- */
.symptom-list{
  border-top:1px solid var(--line);
}
.symptom-row{
  display:grid;
  grid-template-columns:64px 1fr auto;
  align-items:center;
  gap:20px;
  padding:24px 6px;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease),padding-left .2s var(--ease);
}
.symptom-row:hover{background:rgba(255,255,255,.035);padding-left:14px}
.symptom-row .idx{
  font-family:var(--mono);font-size:13px;color:var(--amber);letter-spacing:1.5px;
}
.symptom-row h3{font-size:17.5px;margin-bottom:4px}
.symptom-row p{color:var(--weak);font-size:14px;line-height:1.8}
.symptom-row .go{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--muted);white-space:nowrap;
  transition:color .2s var(--ease);
}
.symptom-row:hover .go{color:var(--teal)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:340px 1fr;gap:52px;align-items:start}
.faq-aside{position:sticky;top:120px}
.faq-aside h2{font-size:clamp(24px,2.8vw,32px);line-height:1.3;margin:14px 0 16px}
.faq-aside p{color:var(--muted);font-size:15px;line-height:1.9}
.faq-aside .aside-card{
  margin-top:26px;padding:20px;border-radius:var(--radius-md);
  background:rgba(34,217,180,.06);
  border:1px solid rgba(34,217,180,.22);
  font-size:13.5px;color:var(--muted);line-height:1.85;
}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;align-items:flex-start;gap:14px;
  padding:22px 6px;
  background:none;border:0;color:var(--txt);
  text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;line-height:1.6;letter-spacing:.5px;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--teal)}
.q-badge{
  flex-shrink:0;
  width:24px;height:24px;margin-top:2px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:12px;font-weight:700;
  color:var(--amber);
  background:rgba(255,180,84,.12);
  border:1px solid rgba(255,180,84,.32);
  transition:all .2s var(--ease);
}
.faq-item.open .q-badge{color:#04120E;background:var(--amber);border-color:var(--amber)}
.q-text{flex:1}
.q-icon{
  flex-shrink:0;position:relative;
  width:18px;height:18px;margin-top:4px;
}
.q-icon::before,.q-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--muted);border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .22s var(--ease),background .22s var(--ease),opacity .22s var(--ease);
}
.q-icon::before{width:14px;height:1.8px}
.q-icon::after{width:1.8px;height:14px}
.faq-item.open .q-icon::before{background:var(--teal);transform:translate(-50%,-50%) rotate(180deg)}
.faq-item.open .q-icon::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .26s var(--ease);
}
.faq-a-inner{
  padding:0 6px 24px 44px;
  color:var(--muted);font-size:15px;line-height:1.9;
}
.faq-a-inner strong{color:var(--txt);font-weight:600}

/* ---------- 流程 ---------- */
.flow{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
  position:relative;
}
.flow::before{
  content:"";position:absolute;top:34px;left:8%;right:8%;height:1px;
  background:repeating-linear-gradient(90deg,rgba(34,217,180,.42) 0 8px,transparent 8px 16px);
}
.flow-step{position:relative;padding-top:0}
.flow-node{
  width:68px;height:68px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:18px;font-weight:700;color:var(--teal);
  background:radial-gradient(circle at 50% 40%,rgba(34,217,180,.22),rgba(8,19,32,.95));
  border:1px solid rgba(34,217,180,.4);
  box-shadow:0 0 26px rgba(34,217,180,.22);
  margin-bottom:22px;
  position:relative;z-index:1;
}
.flow-step h3{font-size:18px;margin-bottom:8px}
.flow-step p{color:var(--muted);font-size:14.5px;line-height:1.85}

/* ---------- 更新 ---------- */
.update-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.update-card{padding:26px;display:flex;flex-direction:column;gap:12px;height:100%}
.update-card time{font-family:var(--mono);font-size:12px;color:var(--weak);letter-spacing:1px}
.update-card h3{font-size:17px;line-height:1.5}
.update-card p{color:var(--muted);font-size:14px;line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  border-radius:24px;
  padding:52px 44px;
  background:
    radial-gradient(560px 240px at 18% 0%,rgba(34,217,180,.16),transparent 72%),
    rgba(12,27,42,.9);
  border:1px solid rgba(34,217,180,.34);
  box-shadow:0 0 0 1px rgba(34,217,180,.14), 0 24px 60px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.1);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin-bottom:12px}
.cta-band p{color:var(--muted);font-size:15px;max-width:640px;line-height:1.9}
.cta-band .btn-primary{flex-shrink:0}

/* ---------- 相关分类 ---------- */
.related{padding:56px 0 72px}
.related-title{
  font-size:13px;letter-spacing:2px;color:var(--weak);
  font-family:var(--mono);margin-bottom:20px;
}
.cat-pills{
  display:flex;gap:12px;flex-wrap:nowrap;
  overflow-x:auto;
  padding-bottom:10px;
  scrollbar-width:thin;
}
.cat-pills::-webkit-scrollbar{height:5px}
.cat-pills::-webkit-scrollbar-thumb{background:rgba(34,217,180,.35);border-radius:999px}
.cat-pills a{
  flex-shrink:0;
  padding:11px 20px;border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  font-size:13.5px;color:var(--muted);
  transition:all .2s var(--ease);
}
.cat-pills a:hover{color:var(--txt);border-color:rgba(34,217,180,.45);background:rgba(34,217,180,.1);transform:translateY(-2px)}
.cat-pills a.active{color:#04120E;background:linear-gradient(180deg,#2AE6BF,#1CC4A1);border-color:transparent;font-weight:600}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,19,32,.5),rgba(5,10,17,1));
  padding:64px 0 28px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand p{
  color:var(--muted);font-size:14px;line-height:1.9;
  margin:16px 0 20px;max-width:330px;
}
.social{display:flex;gap:10px}
.social a{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--muted);
  transition:all .2s var(--ease);
}
.social a:hover{color:var(--teal);border-color:rgba(34,217,180,.42);background:rgba(34,217,180,.1);transform:translateY(-2px)}
.footer-col h4{
  font-size:14px;letter-spacing:1.2px;margin-bottom:16px;color:var(--txt);
}
.footer-col a,.footer-col span{
  display:block;
  font-size:13.8px;color:var(--muted);
  padding:6px 0;
  transition:all .2s var(--ease);
}
.footer-col a:hover{color:var(--teal);transform:translateX(2px)}
.footer-col span{color:var(--weak);font-size:13px}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;flex-wrap:wrap;
  font-size:12.5px;color:var(--weak);
}
.footer-bottom .mono{letter-spacing:1px}
.footer-links{display:flex;gap:18px}
.footer-links a{transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--teal)}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(5,10,17,.94);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  padding:88px 24px 40px;
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;
  transform:translateY(-10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-close{
  position:absolute;top:22px;right:22px;
  width:42px;height:42px;border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--txt);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all .2s var(--ease);
}
.drawer-close:hover{color:var(--teal);border-color:rgba(34,217,180,.45)}
.drawer a.drawer-link{
  font-size:18px;font-weight:600;color:var(--txt);
  padding:18px 4px;
  border-bottom:1px solid var(--line);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer a.drawer-link:hover,.drawer a.drawer-link.active{color:var(--teal);padding-left:10px}
.drawer .btn{margin-top:28px;width:100%}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .dock-links{gap:0}
  .dock-links a{font-size:12.8px;padding:8px 8px}
}
@media (max-width:1024px){
  .dock-links{display:none}
  .menu-btn{display:inline-flex}
  .dock-actions .btn-sm{display:none}
  .scope-grid{grid-template-columns:1fr}
  .scope-stack{grid-template-rows:auto;grid-template-columns:1fr 1fr}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .faq-aside{position:static}
  .flow{grid-template-columns:1fr;gap:34px}
  .flow::before{display:none}
  .update-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .section{padding:70px 0}
  .hero{padding:120px 0 64px}
  .hero .lead{font-size:15.5px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .addrbar{font-size:11px;padding:9px 14px}
  .scope-stack{grid-template-columns:1fr}
  .scope-big{min-height:0;padding:26px}
  .symptom-row{grid-template-columns:44px 1fr;gap:14px}
  .symptom-row .go{grid-column:2;justify-self:start;margin-top:6px}
  .faq-a-inner{padding-left:10px}
  .update-grid{grid-template-columns:1fr}
  .cta-band{padding:34px 24px}
  .cta-band .btn-primary{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .hero h1{font-size:clamp(26px,7.6vw,34px)}
  .h2{font-size:23px}
  .dock{height:56px;padding:0 8px 0 12px;gap:10px}
  .brand-mark{font-size:16px;padding:4px 9px}
  .brand-text{font-size:13.5px}
  .brand-text small{font-size:9.5px}
  .pill{font-size:12px;padding:7px 13px}
  .faq-q{font-size:15px;padding:18px 2px}
  .symptom-row h3{font-size:16px}
  .foot-links{flex-wrap:wrap}
}

/* roulang page: category4 */
:root{
  --bg:#050A11;
  --bg-2:#081320;
  --bg-3:#0C1B2A;
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.075);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#EAF2F7;
  --text-2:#A9BCCB;
  --text-3:#6F8494;
  --mint:#22D9B4;
  --mint-soft:rgba(34,217,180,.12);
  --amber:#FFB454;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-card:0 12px 40px rgba(0,0,0,.45);
  --shadow-soft:0 8px 24px rgba(0,0,0,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:120px}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(680px 420px at 82% 4%,rgba(34,217,180,.10),transparent 62%),
    radial-gradient(560px 380px at 8% 12%,rgba(255,180,84,.06),transparent 60%),
    linear-gradient(180deg,rgba(12,27,42,.55),rgba(5,10,17,0) 42%);
}
img{display:block;max-width:100%;border-radius:14px}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;letter-spacing:.5px;line-height:1.22;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
input,select,textarea{font-family:inherit;font-size:15px}

.container,.wrap{
  width:100%;
  max-width:var(--maxw);
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
body .container{max-width:var(--maxw);margin-left:auto;margin-right:auto}

/* ---------- 顶部浮动 Dock ---------- */
.site-nav{
  position:fixed;
  top:18px;
  left:0;
  right:0;
  z-index:80;
  padding:0 20px;
}
.dock{
  max-width:1160px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 12px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(8,19,32,.62);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 10px 30px rgba(0,0,0,.35);
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.dock.is-scrolled{
  background:rgba(6,14,24,.9);
  border-color:rgba(255,255,255,.14);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 16px 40px rgba(0,0,0,.5);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  font-family:var(--mono);
  font-size:17px;
  font-weight:700;
  letter-spacing:1px;
  line-height:1;
  padding:9px 12px;
  border-radius:12px;
  color:#04120F;
  background:linear-gradient(135deg,var(--mint),#12b596);
  box-shadow:0 0 0 1px rgba(34,217,180,.5),0 8px 22px rgba(34,217,180,.25);
}
.brand-text{
  display:flex;
  flex-direction:column;
  font-size:15px;
  font-weight:700;
  letter-spacing:.5px;
  line-height:1.25;
  color:var(--text);
}
.brand-text small{
  font-size:11px;
  font-weight:400;
  color:var(--text-3);
  letter-spacing:.3px;
}
.dock-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.dock-links a{
  position:relative;
  display:inline-block;
  padding:8px 11px;
  font-size:13.5px;
  color:var(--text-2);
  border-radius:var(--r-pill);
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.dock-links a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  width:0;
  height:2px;
  border-radius:2px;
  background:var(--mint);
  transform:translateX(-50%);
  transition:width .22s var(--ease);
}
.dock-links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.dock-links a:hover::after{width:16px}
.dock-links a.active{color:var(--text)}
.dock-links a.active::after{width:20px}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text-2);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{color:var(--mint);border-color:rgba(34,217,180,.45);background:rgba(34,217,180,.1)}
.icon-btn:focus-visible{outline:2px solid var(--mint);outline-offset:3px}
.menu-btn{
  display:none;
  width:36px;height:36px;
  align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.menu-btn:hover{border-color:rgba(34,217,180,.45);background:rgba(34,217,180,.1)}
.menu-btn:focus-visible{outline:2px solid var(--mint);outline-offset:3px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.4px;
  border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  color:#03130F;
  background:linear-gradient(135deg,#2BE7C0,#17BFA0);
  box-shadow:0 0 0 1px rgba(34,217,180,.5),0 8px 30px rgba(34,217,180,.28);
}
.btn-primary:hover{
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(34,217,180,.7),0 14px 38px rgba(34,217,180,.42);
  filter:brightness(1.06);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(34,217,180,.55),0 6px 18px rgba(34,217,180,.3)}
.btn-ghost{
  color:var(--text);
  background:transparent;
  border-color:rgba(255,255,255,.12);
}
.btn-ghost:hover{border-color:rgba(255,255,255,.26);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 16px;font-size:13px}
.btn:focus-visible{outline:2px solid var(--mint);outline-offset:3px}

/* ---------- 主体 ---------- */
main{position:relative;z-index:1;padding-top:112px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.sec-head{max-width:760px;margin-bottom:36px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:1.4px;
  color:var(--mint);
  text-transform:uppercase;
  font-family:var(--mono);
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:linear-gradient(90deg,var(--mint),transparent);
}
.sec-head h2{
  margin-top:12px;
  font-size:clamp(22px,2.8vw,32px);
}
.sec-sub{margin-top:12px;color:var(--text-2);font-size:15.5px;line-height:1.9}

/* 面包屑 */
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.crumbs a{color:var(--text-2);transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--mint)}
.crumbs .sep{color:rgba(255,255,255,.22)}
.crumbs .now{color:var(--text)}

/* 页头 */
.page-head{
  display:grid;
  grid-template-columns:1.35fr .9fr;
  gap:44px;
  align-items:center;
  padding:30px 0 10px;
}
.page-head h1{
  font-size:clamp(30px,4.4vw,48px);
  line-height:1.16;
  letter-spacing:1px;
}
.page-head h1 .accent{
  background:linear-gradient(120deg,#2BE7C0,#8FF3E1);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.page-head .lead{
  margin-top:18px;
  color:var(--text-2);
  font-size:16.5px;
  line-height:1.95;
  max-width:640px;
}
.pill-row-inline{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 15px;
  border-radius:var(--r-pill);
  background:var(--glass);
  border:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.pill:hover{border-color:rgba(34,217,180,.4);color:var(--text);background:rgba(34,217,180,.08)}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px rgba(34,217,180,.8)}
.pill .dot.amber{background:var(--amber);box-shadow:0 0 10px rgba(255,180,84,.7)}

.head-figure{
  position:relative;
  border-radius:var(--r-lg);
  padding:12px;
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.1);
}
.head-figure::after{
  content:"";
  position:absolute;
  inset:auto -34px -34px auto;
  width:180px;height:180px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(34,217,180,.18),transparent 68%);
  pointer-events:none;
  z-index:-1;
}
.head-figure img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:14px;
}
.addr-bar{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:10px;
  padding:8px 12px;
  border-radius:var(--r-pill);
  background:rgba(5,10,17,.62);
  border:1px solid var(--line);
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--text-3);
  letter-spacing:.4px;
}
.addr-bar i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.14);display:inline-block}
.addr-bar i:first-child{background:rgba(255,180,84,.75)}
.addr-bar span{margin-left:6px;color:var(--text-2)}

/* 对照区 */
.compare{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
  overflow:hidden;
}
.compare-head,.compare-row{
  display:grid;
  grid-template-columns:.85fr 1.25fr 1.25fr;
  gap:18px;
  padding:18px 24px;
  align-items:center;
}
.compare-head{
  background:rgba(34,217,180,.07);
  border-bottom:1px solid var(--line);
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:1.2px;
  color:var(--mint);
  text-transform:uppercase;
}
.compare-row{border-bottom:1px dashed rgba(255,255,255,.09);transition:background .2s var(--ease)}
.compare-row:last-child{border-bottom:none}
.compare-row:hover{background:rgba(255,255,255,.03)}
.c-label{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
}
.c-idx{
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--amber);
  letter-spacing:1px;
}
.c-val{font-size:14.5px;color:var(--text-2);line-height:1.8}
.c-val em{
  display:inline-block;
  font-style:normal;
  font-family:var(--mono);
  font-size:11.5px;
  padding:2px 8px;
  margin-bottom:4px;
  border-radius:6px;
  color:var(--mint);
  background:var(--mint-soft);
  border:1px solid rgba(34,217,180,.22);
}

/* 卡片矩阵 */
.matrix{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.mcard{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
  overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.mcard:hover{
  transform:translateY(-4px);
  border-color:rgba(255,255,255,.2);
  box-shadow:0 20px 48px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.12);
}
.mcard-figure{
  position:relative;
  overflow:hidden;
  padding:0;
  border-radius:0;
}
.mcard-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:0;
  transition:transform .4s var(--ease);
}
.mcard:hover .mcard-figure img{transform:scale(1.03)}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 11px;
  border-radius:8px;
  font-size:12px;
  letter-spacing:.4px;
  color:var(--amber);
  background:rgba(255,180,84,.1);
  border:1px solid rgba(255,180,84,.26);
}
.mcard-figure .badge{
  position:absolute;
  top:14px;
  left:14px;
  backdrop-filter:blur(8px);
}
.mcard-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.mcard-body h3{font-size:19px;line-height:1.45}
.mcard-body p{color:var(--text-2);font-size:14.5px;line-height:1.85}
.mcard-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.mcard-foot .arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--mint);
  font-size:13px;
  transition:gap .2s var(--ease),color .2s var(--ease);
}
.mcard:hover .mcard-foot .arrow{gap:10px}

/* 自查清单 */
.checks{
  display:grid;
  gap:0;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--glass);
  overflow:hidden;
}
.check-item{
  display:flex;
  align-items:flex-start;
  gap:16px;
  padding:20px 24px;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.check-item:last-child{border-bottom:none}
.check-item:hover{background:rgba(255,255,255,.03)}
.check-mark{
  flex:0 0 auto;
  width:28px;height:28px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;
  color:var(--mint);
  background:var(--mint-soft);
  border:1px solid rgba(34,217,180,.28);
  margin-top:2px;
}
.check-item h4{font-size:15.5px;margin-bottom:4px}
.check-item p{font-size:14px;color:var(--text-2);line-height:1.8}

/* FAQ */
.faq-list{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--glass);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 24px;
  background:transparent;
  border:none;
  color:var(--text);
  text-align:left;
  font-size:16px;
  font-weight:600;
  letter-spacing:.4px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.faq-q:hover{background:rgba(255,255,255,.04);color:#fff}
.faq-q:focus-visible{outline:2px solid var(--mint);outline-offset:-3px}
.q-mark{
  flex:0 0 auto;
  width:26px;height:26px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  font-family:var(--mono);
  font-size:12px;
  color:var(--amber);
  background:rgba(255,180,84,.1);
  border:1px solid rgba(255,180,84,.26);
}
.q-icon{
  margin-left:auto;
  flex:0 0 auto;
  width:22px;height:22px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-3);
  transition:transform .25s var(--ease),color .25s var(--ease);
}
.faq-item.open .q-icon{transform:rotate(45deg);color:var(--mint)}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .25s var(--ease);
}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{
  padding:0 24px 22px 64px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.95;
}

/* 反馈表单 */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1.15fr;
  gap:32px;
  align-items:start;
}
.info-card{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--glass);
  padding:28px;
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
}
.info-card h3{font-size:20px;margin-bottom:14px}
.info-line{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:12px 0;
  border-bottom:1px dashed rgba(255,255,255,.09);
}
.info-line:last-child{border-bottom:none}
.info-line .ic{
  flex:0 0 auto;
  width:30px;height:30px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;
  color:var(--mint);
  background:var(--mint-soft);
  border:1px solid rgba(34,217,180,.24);
}
.info-line b{display:block;font-size:14.5px;font-weight:600;margin-bottom:2px}
.info-line span{font-size:13.5px;color:var(--text-2);line-height:1.75}
.form-card{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:28px;
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.1);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:12.5px;color:var(--text-2);margin-bottom:7px;letter-spacing:.4px}
.field input,.field select,.field textarea{
  width:100%;
  padding:12px 14px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text);
  outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{resize:vertical;min-height:110px;line-height:1.8}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(34,217,180,.65);
  box-shadow:0 0 0 3px rgba(34,217,180,.16);
  background:rgba(255,255,255,.06);
}
.field select{
  appearance:none;
  -webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23A9BCCB' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  padding-right:38px;
}
.privacy{font-size:12.5px;color:var(--text-3);margin-top:12px;line-height:1.75}

/* CTA 通栏 */
.band{
  position:relative;
  border-radius:22px;
  padding:38px 34px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  background:linear-gradient(120deg,rgba(34,217,180,.12),rgba(255,180,84,.06) 70%,rgba(255,255,255,.02));
  border:1px solid rgba(34,217,180,.34);
  box-shadow:0 0 0 1px rgba(34,217,180,.16),0 20px 50px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.12);
  overflow:hidden;
}
.band::before{
  content:"";
  position:absolute;
  inset:-40% -10% auto auto;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(34,217,180,.2),transparent 66%);
  pointer-events:none;
}
.band h2{font-size:clamp(20px,2.6vw,28px)}
.band p{margin-top:10px;color:var(--text-2);font-size:14.5px;max-width:620px}

/* 相关分类胶囊行 */
.pill-row{
  display:flex;
  gap:12px;
  overflow-x:auto;
  padding:6px 2px 14px;
  scrollbar-width:thin;
}
.pill-row::-webkit-scrollbar{height:6px}
.pill-row::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
.cat-pill{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:11px 20px;
  border-radius:var(--r-pill);
  background:var(--glass);
  border:1px solid var(--line);
  font-size:14px;
  color:var(--text-2);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.cat-pill:hover{
  color:var(--text);
  border-color:rgba(34,217,180,.5);
  background:rgba(34,217,180,.1);
  transform:translateY(-2px);
}
.cat-pill:focus-visible{outline:2px solid var(--mint);outline-offset:3px}
.cat-pill.current{
  color:var(--mint);
  border-color:rgba(34,217,180,.5);
  background:rgba(34,217,180,.1);
}

/* 页脚 */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:40px;
  padding:64px 0 30px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,19,32,.6),rgba(5,10,17,.9));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand p{
  margin-top:16px;
  color:var(--text-2);
  font-size:14px;
  line-height:1.9;
  max-width:320px;
}
.social{display:flex;gap:10px;margin-top:18px}
.social a{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  color:var(--text-2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.social a:hover{color:var(--mint);border-color:rgba(34,217,180,.45);background:rgba(34,217,180,.1);transform:translateY(-2px)}
.social a:focus-visible{outline:2px solid var(--mint);outline-offset:3px}
.footer-col h4{font-size:14px;margin-bottom:16px;letter-spacing:.8px;color:var(--text)}
.footer-col a,.footer-col span{
  display:block;
  font-size:13.5px;
  color:var(--text-2);
  padding:6px 0;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:var(--mint);transform:translateX(2px)}
.footer-col a:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:4px}
.footer-col span{color:var(--text-3)}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:var(--text-3);
}
.footer-bottom .mono{font-family:var(--mono);letter-spacing:.6px}
.footer-links{display:flex;gap:18px}
.footer-links a{color:var(--text-3);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--mint)}

/* 移动抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:120;
  display:none;
  background:rgba(5,10,17,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  padding:26px 22px;
  overflow-y:auto;
}
.drawer.open{display:block}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--text);
}
.drawer-close:hover{border-color:rgba(34,217,180,.5);color:var(--mint)}
.drawer-close:focus-visible{outline:2px solid var(--mint);outline-offset:3px}
.drawer nav a{
  display:block;
  padding:16px 4px;
  font-size:18px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer nav a:hover{color:var(--mint)}
.drawer nav a.active{color:var(--mint)}
.drawer .btn{width:100%;margin-top:22px}

/* 响应式 */
@media (max-width:1024px){
  .dock-links{display:none}
  .menu-btn{display:inline-flex}
  .page-head{grid-template-columns:1fr;gap:30px}
  .head-figure{max-width:560px}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .contact-grid{grid-template-columns:1fr}
  .compare-head,.compare-row{grid-template-columns:.9fr 1.1fr 1.1fr;gap:14px;padding:16px 18px}
}
@media (max-width:820px){
  .section{padding:64px 0}
  .matrix{grid-template-columns:1fr}
  .band{flex-direction:column;align-items:flex-start;padding:30px 24px}
  .band .btn{width:100%}
}
@media (max-width:768px){
  main{padding-top:96px}
  .dock{height:58px;padding:0 10px 0 14px;gap:10px}
  .brand-text small{display:none}
  .dock-actions .btn-primary{display:none}
  .compare-head{display:none}
  .compare-row{
    grid-template-columns:1fr;
    gap:10px;
    padding:18px;
    border-bottom:1px solid var(--line);
  }
  .c-label{font-size:16px}
  .c-val{padding-left:26px;position:relative}
  .c-val::before{
    content:"";
    position:absolute;
    left:8px;top:11px;
    width:6px;height:6px;
    border-radius:50%;
    background:rgba(255,255,255,.2);
  }
  .form-row{grid-template-columns:1fr}
  .faq-a p{padding-left:24px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:520px){
  .container,.wrap{padding-left:20px;padding-right:20px}
  .page-head h1{font-size:clamp(26px,7vw,34px)}
  .page-head .lead{font-size:15.5px}
  .btn{width:100%}
  .pill-row-inline .pill{font-size:12.5px;padding:7px 12px}
  .mcard-body{padding:18px 18px 22px}
  .mcard-body h3{font-size:17px}
  .check-item{padding:16px 18px;gap:12px}
  .faq-q{padding:16px 18px;font-size:15px;gap:10px}
  .info-card,.form-card{padding:20px}
  .addr-bar{font-size:10.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}