/* roulang page: index */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111A2B;
  --brand:#1FE0A8;
  --brand-deep:#0FA87C;
  --brand-soft:rgba(31,224,168,.12);
  --accent:#FF5A3C;
  --tx-1:#E9F1FA;
  --tx-2:#93A3B8;
  --tx-3:#5E6E85;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(31,224,168,.32);
  --glass:rgba(255,255,255,.045);
  --r-card:18px;
  --r-img:16px;
  --r-pill:999px;
  --r-input:12px;
  --r-dock:22px;
  --shadow:0 8px 28px rgba(0,0,0,.35);
  --shadow-h:0 16px 44px rgba(0,0,0,.45);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background-color:var(--bg-0);
  color:var(--tx-1);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(760px 420px at 78% -8%, rgba(31,224,168,.10), transparent 62%),
    radial-gradient(620px 380px at 6% 12%, rgba(255,90,60,.055), transparent 60%),
    repeating-linear-gradient(0deg, rgba(255,255,255,.03) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.03) 0 1px, transparent 1px 64px);
  background-repeat:no-repeat,no-repeat,repeat,repeat;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color 160ms ease;}
a:hover,a:focus{color:var(--tx-1);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding-top:96px;padding-bottom:96px;position:relative;}
.section--tight{padding-top:72px;padding-bottom:72px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  color:var(--brand);
  background:var(--brand-soft);
  border:1px solid var(--line-2);
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:20px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(31,224,168,.9);}
h1{font-size:clamp(30px,4.4vw,54px);font-weight:800;line-height:1.16;letter-spacing:-.02em;}
h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
h3{font-size:20px;font-weight:600;line-height:1.5;}
h4{font-size:17px;font-weight:600;line-height:1.5;}
.lead{font-size:17px;color:var(--tx-2);line-height:1.85;}
.muted{color:var(--tx-2);}
.small{font-size:13px;color:var(--tx-3);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px;}
.section-head p{max-width:560px;color:var(--tx-2);font-size:15px;margin-top:12px;}
.more-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap;}
.more-link i{transition:transform 220ms cubic-bezier(.2,.7,.3,1);}
.more-link:hover i{transform:translateX(5px);}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:sticky;top:16px;z-index:80;padding:0 16px;margin-top:16px;}
.dock{
  max-width:1120px;margin:0 auto;
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;
  padding:10px 14px 10px 20px;
  border-radius:var(--r-dock);
  background:var(--glass);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  transition:background 220ms cubic-bezier(.2,.7,.3,1),box-shadow 220ms cubic-bezier(.2,.7,.3,1),border-color 160ms ease;
}
.dock.is-scrolled{background:rgba(11,18,32,.9);box-shadow:var(--shadow);border-color:var(--line-2);}
.dock-logo{display:inline-flex;align-items:center;gap:10px;color:var(--tx-1);font-weight:700;font-size:16px;letter-spacing:.01em;}
.dock-logo:hover{color:var(--tx-1);}
.dock-logo .mark{
  width:30px;height:30px;border-radius:9px;flex:0 0 30px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:#04211A;font-size:14px;font-weight:800;
  box-shadow:0 0 16px rgba(31,224,168,.35);
}
.dock-nav{display:flex;justify-content:center;gap:4px;flex-wrap:wrap;}
.dock-nav a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:14px;
  color:var(--tx-2);
  border-radius:var(--r-pill);
  transition:color 160ms ease,background 160ms ease,transform 220ms cubic-bezier(.2,.7,.3,1);
}
.dock-nav a:hover{color:var(--tx-1);background:rgba(255,255,255,.05);transform:translateY(-1px);}
.dock-nav a.is-active{color:var(--brand);background:var(--brand-soft);font-weight:600;}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.dock-right{display:flex;align-items:center;gap:10px;}
.nav-icon{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--tx-2);cursor:pointer;
  transition:color 160ms ease,border-color 160ms ease,background 160ms ease;
}
.nav-icon:hover{color:var(--brand);border-color:var(--line-2);background:var(--brand-soft);}
.dock-cta{padding:11px 20px;font-size:14px;}
.dock-toggle{display:none;}

/* 移动抽屉 */
.mobile-panel{
  display:none;
  max-width:1120px;margin:10px auto 0;
  border-radius:var(--r-card);
  background:rgba(11,18,32,.97);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  padding:12px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:block;
  min-height:48px;line-height:48px;
  padding:0 14px;
  color:var(--tx-2);
  font-size:15px;
  border-radius:12px;
  transition:background 160ms ease,color 160ms ease;
}
.mobile-panel a:hover,.mobile-panel a:focus{background:rgba(255,255,255,.05);color:var(--tx-1);}
.mobile-panel a.is-active{color:var(--brand);background:var(--brand-soft);font-weight:600;}
.mobile-panel .btn{width:100%;justify-content:center;margin-top:10px;}

/* ---------- 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;
  border:1px solid transparent;
  cursor:pointer;
  transition:background 160ms ease,box-shadow 220ms cubic-bezier(.2,.7,.3,1),transform 220ms cubic-bezier(.2,.7,.3,1),color 160ms ease,border-color 160ms ease;
}
.btn-primary{
  background:linear-gradient(120deg,#1FE0A8,#0FA87C);
  color:#04211A;
  box-shadow:0 0 22px rgba(31,224,168,.35);
}
.btn-primary:hover,.btn-primary:focus{
  color:#04211A;
  box-shadow:0 0 34px rgba(31,224,168,.5);
  transform:translateY(-2px);
}
.btn-ghost{
  background:transparent;
  color:var(--tx-1);
  border-color:rgba(255,255,255,.18);
}
.btn-ghost:hover,.btn-ghost:focus{
  color:var(--tx-1);
  border-color:var(--line-2);
  background:var(--brand-soft);
  transform:translateY(-2px);
}
.btn-block{width:100%;}

/* ---------- Hero ---------- */
.hero{padding-top:64px;padding-bottom:88px;position:relative;overflow:hidden;}
.hero h1{margin-bottom:22px;max-width:16em;}
.hero h1 .hl{color:var(--brand);}
.hero-sub{font-size:17px;color:var(--tx-2);max-width:30em;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;max-width:520px;}
.hero-stat .n{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;
  font-size:clamp(26px,3vw,34px);
  font-weight:700;color:var(--tx-1);line-height:1.2;
}
.hero-stat .n span{font-size:14px;color:var(--brand);margin-left:3px;font-weight:600;}
.hero-stat .t{display:block;font-size:13px;color:var(--tx-3);margin-top:4px;}
.hero-visual{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.hero-visual img{width:100%;height:100%;min-height:340px;object-fit:cover;transition:transform 600ms cubic-bezier(.2,.7,.3,1);}
.hero-visual:hover img{transform:scale(1.04);}
.hero-visual::after{
  content:"";position:absolute;inset:auto 0 0 0;height:52%;
  background:linear-gradient(180deg,rgba(6,10,18,0),rgba(6,10,18,.86));
  pointer-events:none;
}
.float-card{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  display:flex;align-items:center;gap:12px;
  padding:12px 16px;
  border-radius:14px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
}
.float-card .ic{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-size:14px;
}
.float-card strong{display:block;font-size:14px;color:var(--tx-1);}
.float-card span{font-size:12px;color:var(--tx-2);}

/* ---------- 服务编号行 ---------- */
.svc-list{border-top:1px solid var(--line);}
.svc-row{
  display:grid;
  grid-template-columns:64px minmax(0,1fr) 40px;
  align-items:center;gap:18px;
  padding:24px 18px;
  border-bottom:1px solid var(--line);
  color:var(--tx-1);
  border-radius:14px;
  transition:background 160ms ease,transform 220ms cubic-bezier(.2,.7,.3,1);
}
.svc-row:hover,.svc-row:focus{
  background:var(--glass);
  color:var(--tx-1);
  transform:translateX(2px);
}
.svc-num{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;
  font-size:18px;font-weight:700;color:var(--brand);opacity:.6;
  transition:opacity 160ms ease;
}
.svc-row:hover .svc-num{opacity:1;}
.svc-title{display:block;font-size:17px;font-weight:600;margin-bottom:4px;}
.svc-desc{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:14px;color:var(--tx-2);line-height:1.7;
}
.svc-arrow{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);
  color:var(--brand);font-size:14px;
  transition:transform 220ms cubic-bezier(.2,.7,.3,1),border-color 160ms ease,background 160ms ease;
}
.svc-row:hover .svc-arrow{transform:translateX(4px);border-color:var(--line-2);background:var(--brand-soft);}

/* ---------- 优势数据 ---------- */
.adv{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;}
.stat-item{padding:26px 22px;border-radius:var(--r-card);background:var(--bg-2);border:1px solid var(--line);transition:box-shadow 220ms ease,transform 220ms ease,border-color 160ms ease;}
.stat-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-h);border-color:var(--line-2);}
.stat-k{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;
  font-size:clamp(38px,4.4vw,54px);font-weight:800;line-height:1.05;color:var(--brand);
  display:flex;align-items:baseline;gap:6px;
}
.stat-k small{font-size:15px;font-weight:600;color:var(--tx-2);}
.stat-t{display:block;margin-top:12px;font-size:15px;font-weight:600;color:var(--tx-1);}
.stat-d{display:block;margin-top:4px;font-size:13px;color:var(--tx-3);line-height:1.7;}

/* ---------- 案例拼图 ---------- */
.mosaic{display:grid;grid-template-columns:1fr;gap:20px;}
.mosaic-main{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  min-height:380px;
  display:block;color:var(--tx-1);
}
.mosaic-main img{width:100%;height:100%;min-height:380px;object-fit:cover;transition:transform 600ms cubic-bezier(.2,.7,.3,1);}
.mosaic-main:hover img{transform:scale(1.04);}
.mosaic-main:hover{color:var(--tx-1);}
.mosaic-bar{
  position:absolute;left:14px;right:14px;bottom:14px;
  padding:14px 16px;border-radius:14px;
  background:rgba(8,14,24,.76);
  border:1px solid rgba(255,255,255,.1);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
}
.mosaic-bar h3{font-size:17px;margin-bottom:4px;}
.mosaic-bar p{font-size:13px;color:var(--tx-2);line-height:1.7;}
.badge{
  display:inline-block;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  padding:3px 11px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);
  border:1px solid rgba(31,224,168,.22);
}
.badge--accent{background:rgba(255,90,60,.14);color:#FF8A72;border-color:rgba(255,90,60,.3);}
.mosaic-side{display:grid;grid-template-columns:1fr;gap:20px;}
.mosaic-card{
  display:grid;grid-template-columns:132px minmax(0,1fr);gap:0;
  border-radius:var(--r-card);overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);
  color:var(--tx-1);
  transition:transform 220ms cubic-bezier(.2,.7,.3,1),box-shadow 220ms ease,border-color 160ms ease;
}
.mosaic-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-h);border-color:var(--line-2);color:var(--tx-1);}
.mosaic-card img{width:100%;height:100%;min-height:150px;object-fit:cover;}
.mosaic-card .body{padding:18px 18px 18px 16px;}
.mosaic-card h3{font-size:16px;margin:8px 0 6px;}
.mosaic-card p{font-size:13px;color:var(--tx-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- 最新信息（CMS 区） ---------- */
.latest{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.latest-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:20px;}
.post-lead{
  display:flex;flex-direction:column;
  border-radius:var(--r-card);overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);
  color:var(--tx-1);
  transition:transform 220ms cubic-bezier(.2,.7,.3,1),box-shadow 220ms ease,border-color 160ms ease;
}
.post-lead:hover{transform:translateY(-2px);box-shadow:var(--shadow-h);border-color:var(--line-2);color:var(--tx-1);}
.post-lead .thumb{aspect-ratio:16/9;background:linear-gradient(140deg,rgba(31,224,168,.16),rgba(17,26,43,.9));overflow:hidden;}
.post-lead .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 600ms cubic-bezier(.2,.7,.3,1);}
.post-lead:hover .thumb img{transform:scale(1.04);}
.post-lead .body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-title{font-size:18px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-desc{font-size:14px;color:var(--tx-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:12px;color:var(--tx-3);margin-top:auto;padding-top:8px;}
.post-meta time{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;}
.latest-side{display:grid;grid-template-columns:1fr;gap:20px;}
.post-mini{
  display:flex;gap:16px;align-items:flex-start;
  padding:16px;border-radius:var(--r-card);
  background:var(--bg-2);border:1px solid var(--line);
  color:var(--tx-1);
  transition:transform 220ms cubic-bezier(.2,.7,.3,1),box-shadow 220ms ease,border-color 160ms ease;
}
.post-mini:hover{transform:translateY(-2px);box-shadow:var(--shadow-h);border-color:var(--line-2);color:var(--tx-1);}
.post-mini .thumb{
  width:110px;height:82px;flex:0 0 110px;border-radius:12px;overflow:hidden;
  background:linear-gradient(140deg,rgba(31,224,168,.16),rgba(17,26,43,.9));
}
.post-mini .thumb img{width:100%;height:100%;object-fit:cover;}
.post-mini .body{min-width:0;display:flex;flex-direction:column;gap:8px;}
.post-mini .post-title{font-size:15px;}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  padding:56px 24px;border-radius:var(--r-card);
  border:1px dashed rgba(255,255,255,.16);
  background:rgba(255,255,255,.02);
  color:var(--tx-2);text-align:center;
}
.empty-state i{font-size:24px;color:var(--tx-3);}

/* ---------- 方案交替图文 ---------- */
.plan-row{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;margin-bottom:64px;}
.plan-row:last-child{margin-bottom:0;}
.plan-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.plan-media img{width:100%;height:100%;min-height:280px;object-fit:cover;transition:transform 600ms cubic-bezier(.2,.7,.3,1);}
.plan-media:hover img{transform:scale(1.04);}
.plan-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;font-size:16px;font-weight:700;
  border:1px solid rgba(31,224,168,.24);
  margin-bottom:16px;
}
.plan-body h3{margin-bottom:12px;font-size:22px;}
.plan-body p{color:var(--tx-2);font-size:15px;margin-bottom:20px;}
.check-list{display:grid;gap:12px;}
.check-list li{
  position:relative;padding-left:22px;
  font-size:15px;color:var(--tx-1);line-height:1.7;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:9px;height:9px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(31,224,168,.5);
}

/* ---------- FAQ ---------- */
.faq{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.faq-list{display:grid;gap:14px;max-width:880px;}
.faq-item{
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  overflow:hidden;
  transition:border-color 160ms ease,background 160ms ease;
}
.faq-item[open]{border-color:var(--line-2);background:rgba(31,224,168,.05);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;
  cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--tx-1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .fi{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--tx-2);font-size:12px;
  transition:transform 220ms cubic-bezier(.2,.7,.3,1),color 160ms ease,border-color 160ms ease;
}
.faq-item[open] summary .fi{transform:rotate(45deg);color:var(--brand);border-color:var(--line-2);}
.faq-answer{padding:0 22px 22px;font-size:15px;color:var(--tx-2);line-height:1.8;}

/* ---------- 联系 ---------- */
.contact-card{
  display:grid;grid-template-columns:1fr;gap:24px;
  padding:32px;border-radius:var(--r-card);
  background:var(--bg-2);border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.form-field{margin-bottom:18px;}
.form-field label{display:block;font-size:13px;color:var(--tx-2);margin-bottom:8px;font-weight:600;}
.form-field .req{color:var(--accent);margin-left:3px;}
.form-field input,
.form-field select,
.form-field textarea{
  width:100%;
  padding:12px 14px;
  border-radius:var(--r-input);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  color:var(--tx-1);
  font-size:15px;
  line-height:1.6;
  transition:border-color 160ms ease,box-shadow 160ms ease,background 160ms ease;
  margin:0;
  height:auto;
  box-shadow:none;
}
.form-field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--tx-2) 50%),linear-gradient(135deg,var(--tx-2) 50%,transparent 50%);background-position:calc(100% - 18px) 21px,calc(100% - 13px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.form-field textarea{min-height:110px;resize:vertical;}
.form-field input::placeholder,
.form-field textarea::placeholder{color:var(--tx-3);}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(31,224,168,.14);
  background:rgba(31,224,168,.05);
}
.form-hint{font-size:12px;color:var(--tx-3);margin-top:14px;line-height:1.7;}
.form-msg{display:none;margin-top:14px;font-size:13px;color:var(--brand);}
.form-msg.is-show{display:block;}
.contact-side{
  border-radius:var(--r-card);
  padding:26px;
  background:var(--glass);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
}
.contact-side h3{margin-bottom:16px;font-size:18px;}
.contact-line{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line);}
.contact-line:last-of-type{border-bottom:none;}
.contact-line .ic{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);font-size:13px;
}
.contact-line strong{display:block;font-size:14px;color:var(--tx-1);}
.contact-line span{font-size:13px;color:var(--tx-2);}
.side-note{margin-top:18px;font-size:12px;color:var(--tx-3);line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-foot{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding-top:64px;padding-bottom:28px;
}
.foot-grid{display:grid;grid-template-columns:1fr;gap:36px;}
.foot-brand .dock-logo{margin-bottom:16px;font-size:17px;}
.foot-brand p{font-size:14px;color:var(--tx-2);line-height:1.9;max-width:34em;}
.foot-contact{margin-top:18px;display:grid;gap:8px;font-size:13px;color:var(--tx-2);}
.foot-contact i{color:var(--brand);width:16px;margin-right:6px;}
.foot-col h4{font-size:14px;color:var(--tx-1);margin-bottom:16px;letter-spacing:.02em;}
.foot-col ul{display:grid;gap:10px;}
.foot-col a{font-size:14px;color:var(--tx-2);transition:color 160ms ease,padding-left 160ms ease;}
.foot-col a:hover,.foot-col a:focus{color:var(--brand);padding-left:4px;}
.foot-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:var(--tx-3);
}
.foot-bottom a{color:var(--tx-3);}
.foot-bottom a:hover{color:var(--brand);}

/* ---------- 响应式 ---------- */
@media screen and (min-width:640px){
  .mosaic{grid-template-columns:1fr;}
  .latest-side{grid-template-columns:1fr;}
  .contact-card{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (min-width:1024px){
  .mosaic{grid-template-columns:7fr 5fr;align-items:start;}
  .latest-grid{grid-template-columns:7fr 5fr;align-items:start;}
  .plan-row{grid-template-columns:1fr 1fr;gap:56px;}
  .plan-row.is-reverse .plan-media{order:2;}
  .contact-card{grid-template-columns:7fr 5fr;gap:32px;}
  .foot-grid{grid-template-columns:2fr 1fr 1fr 1fr;}
  .stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
}
@media screen and (max-width:1099px){
  .dock-nav{display:none;}
  .dock-cta{display:none;}
  .dock-toggle{display:grid;}
  .dock{grid-template-columns:auto 1fr auto;}
  .dock-right{justify-self:end;}
}
@media screen and (max-width:1023px){
  .section{padding-top:72px;padding-bottom:72px;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .hero{padding-top:48px;padding-bottom:64px;}
  .hero-visual{margin-top:40px;}
  .hero-visual img{min-height:280px;}
}
@media screen and (max-width:639px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding-top:56px;padding-bottom:56px;}
  .section--tight{padding-top:48px;padding-bottom:48px;}
  body{font-size:15px;}
  h2{font-size:24px;}
  .hero h1{font-size:30px;letter-spacing:-.01em;}
  .hero-sub{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr;gap:14px;max-width:none;}
  .hero-stat{display:flex;align-items:baseline;gap:10px;}
  .hero-stat .t{margin-top:0;}
  .stat-grid{grid-template-columns:1fr;}
  .svc-row{grid-template-columns:44px minmax(0,1fr) 34px;gap:12px;padding:20px 12px;}
  .svc-num{font-size:15px;}
  .svc-arrow{width:32px;height:32px;}
  .mosaic-main{min-height:280px;}
  .mosaic-main img{min-height:280px;}
  .mosaic-card{grid-template-columns:104px minmax(0,1fr);}
  .mosaic-card img{min-height:120px;}
  .post-mini{flex-direction:column;}
  .post-mini .thumb{width:100%;height:150px;flex:none;}
  .contact-card{padding:22px;}
  .contact-side{padding:20px;}
  .btn{width:100%;}
  .more-link{width:auto;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:479px){
  .dock-wrap{padding:0 10px;}
  .dock{padding:8px 10px 8px 14px;gap:10px;border-radius:18px;}
  .dock-logo{font-size:14px;}
  .dock-logo .mark{width:26px;height:26px;flex:0 0 26px;font-size:12px;border-radius:8px;}
  .hero h1{font-size:26px;}
  .float-card{left:10px;right:10px;bottom:10px;padding:10px 12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .hero-visual:hover img,.mosaic-main:hover img,.plan-media:hover img,.post-lead:hover .thumb img{transform:none;}
  .svc-row:hover,.stat-item:hover,.mosaic-card:hover,.post-lead:hover,.post-mini:hover{transform:none;}
}

/* roulang page: article */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111A2B;
  --brand:#1FE0A8;
  --brand-deep:#0FA87C;
  --brand-soft:rgba(31,224,168,.12);
  --accent:#FF5A3C;
  --tx-1:#E9F1FA;
  --tx-2:#93A3B8;
  --tx-3:#5E6E85;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(31,224,168,.32);
  --glass:rgba(255,255,255,.045);
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --r-dock:22px;
  --shadow-1:0 8px 28px rgba(0,0,0,.35);
  --shadow-2:0 16px 44px rgba(0,0,0,.45);
  --maxw:1200px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--tx-1);
  background-color:var(--bg-0);
  background-image:radial-gradient(900px 520px at 82% -10%,rgba(31,224,168,.10),transparent 62%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 0,rgba(0,0,0,.85),transparent 78%);
  mask-image:radial-gradient(circle at 50% 0,rgba(0,0,0,.85),transparent 78%);
  pointer-events:none;
  z-index:0;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
time{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* 导航 Dock */
.dock{
  position:sticky;
  top:16px;
  z-index:80;
  padding:0 16px;
  margin:16px 0 0;
}
.dock-inner{
  width:min(1120px,100%);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:11px 16px;
  border-radius:var(--r-dock);
  border:1px solid var(--line);
  background:rgba(11,18,32,.72);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:0 12px 34px rgba(0,0,0,.38);
  transition:background 220ms ease,box-shadow 220ms ease,border-color 220ms ease;
}
.dock.is-scrolled .dock-inner{
  background:rgba(7,12,21,.92);
  border-color:rgba(255,255,255,.13);
  box-shadow:0 18px 46px rgba(0,0,0,.55);
}
.dock-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:16px;
  letter-spacing:.01em;
  color:var(--tx-1);
  white-space:nowrap;
}
.dock-logo .mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04140E;
  font-size:15px;
  font-weight:800;
  box-shadow:0 0 18px rgba(31,224,168,.35);
}
.dock-logo:hover{color:var(--brand)}
.dock-nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.dock-nav a{
  padding:8px 13px;
  border-radius:999px;
  font-size:15px;
  color:var(--tx-2);
  transition:color 160ms ease,background 160ms ease,transform 220ms cubic-bezier(.2,.7,.3,1);
}
.dock-nav a:hover{color:var(--tx-1);background:var(--glass);transform:translateY(-1px)}
.dock-nav a.is-active{color:var(--brand);background:var(--brand-soft)}
.dock-cta{flex:none}
.dock-toggle{
  display:none;
  margin-left:auto;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border-radius:14px;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--tx-1);
  cursor:pointer;
  transition:border-color 160ms ease,color 160ms ease,background 160ms ease;
}
.dock-toggle:hover{border-color:var(--line-2);color:var(--brand)}
.dock-panel{
  display:none;
  position:absolute;
  left:16px;right:16px;
  top:calc(100% + 10px);
  padding:12px;
  border-radius:22px;
  border:1px solid var(--line);
  background:rgba(9,15,26,.98);
  box-shadow:0 26px 60px rgba(0,0,0,.6);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
}
.dock-panel.is-open{display:block}
.dock-panel a{
  display:flex;
  align-items:center;
  height:48px;
  padding:0 14px;
  border-radius:14px;
  color:var(--tx-2);
  font-size:15px;
  transition:background 160ms ease,color 160ms ease;
}
.dock-panel a:hover,.dock-panel a.is-active{color:var(--brand);background:var(--brand-soft)}
.dock-panel .btn{margin-top:10px;justify-content:center;width:100%}

/* 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;
  line-height:1.2;
  cursor:pointer;
  text-decoration:none;
  transition:transform 220ms cubic-bezier(.2,.7,.3,1),box-shadow 220ms ease,background 160ms ease,color 160ms ease,border-color 160ms ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04140E;
  box-shadow:0 0 22px rgba(31,224,168,.35);
}
.btn-primary:hover{color:#04140E;box-shadow:0 0 34px rgba(31,224,168,.5);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  border-color:var(--line);
  background:var(--glass);
  color:var(--tx-1);
}
.btn-ghost:hover{border-color:var(--line-2);color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  letter-spacing:.06em;
  line-height:1.7;
  border:1px solid rgba(31,224,168,.22);
}
.tag-accent{background:rgba(255,90,60,.12);color:var(--accent);border-color:rgba(255,90,60,.28)}

/* 面包屑 */
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--tx-2);
  margin-bottom:24px;
}
.crumb a{color:var(--tx-2);transition:color 160ms ease}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(31,224,168,.6)}
.crumb .now{
  color:var(--tx-2);
  max-width:min(420px,72vw);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* 文章头部 */
.article-hero{
  position:relative;
  padding:44px 0 40px;
  background-image:linear-gradient(180deg,rgba(6,10,18,.55),rgba(6,10,18,.94)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.article-head{padding:0 0 26px}
.article-title{
  font-size:clamp(26px,3.6vw,44px);
  font-weight:800;
  line-height:1.22;
  letter-spacing:-.01em;
  margin:0 0 18px;
  max-width:900px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:var(--tx-2);
}
.article-meta .dot-sep{width:4px;height:4px;border-radius:50%;background:var(--tx-3)}
.article-meta time{font-family:var(--mono);letter-spacing:.02em}
.article-cover{
  margin:0;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  aspect-ratio:16/9;
  background:var(--bg-2);
}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* 正文 */
.article-main{padding:64px 0 24px;position:relative}
.article-body{
  max-width:760px;
  margin:0 auto;
  font-size:17px;
  line-height:1.9;
  color:#D6E2EF;
}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  font-size:clamp(21px,2.4vw,26px);
  font-weight:700;
  color:var(--tx-1);
  margin:1.8em 0 .7em;
  padding-left:14px;
  border-left:4px solid var(--brand);
  line-height:1.4;
}
.article-body h3{font-size:19px;font-weight:600;color:var(--tx-1);margin:1.6em 0 .6em}
.article-body h4{font-size:17px;font-weight:600;color:var(--tx-1);margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.25em;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.5em}
.article-body img{max-width:100%;height:auto;border-radius:12px;margin:1.1em 0}
.article-body figure{margin:1.4em 0}
.article-body figcaption{font-size:13px;color:var(--tx-2);text-align:center;margin-top:8px}
.article-body blockquote{
  margin:1.5em 0;
  padding:16px 22px;
  border-left:3px solid var(--brand);
  border-radius:0 14px 14px 0;
  background:var(--glass);
  color:var(--tx-2);
}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:2px}
.article-body a:hover{color:#5CF0C4}
.article-body table{
  display:block;
  width:100%;
  overflow-x:auto;
  border-collapse:collapse;
  margin:1.5em 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:rgba(255,255,255,.05);color:var(--tx-1)}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.025)}
.article-body code{
  font-family:var(--mono);
  font-size:.9em;
  background:rgba(255,255,255,.07);
  padding:2px 6px;
  border-radius:6px;
}
.article-body pre{
  background:#0A111D;
  border:1px solid var(--line);
  border-radius:14px;
  padding:16px 18px;
  overflow-x:auto;
  margin:1.5em 0;
}
.article-body pre code{background:none;padding:0}
.article-empty{
  max-width:760px;
  margin:0 auto;
  padding:56px 28px;
  text-align:center;
  border:1px dashed rgba(255,255,255,.16);
  border-radius:var(--r-card);
  background:rgba(255,255,255,.02);
}
.article-empty i{font-size:30px;color:var(--brand);margin-bottom:14px}
.article-empty p{color:var(--tx-2);margin-bottom:20px;font-size:16px}

/* 文末 CTA */
.article-cta{padding:56px 0 20px}
.cta-card{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  padding:38px 36px;
  border-radius:24px;
  border:1px solid var(--line-2);
  background:
    radial-gradient(520px 200px at 12% 10%,rgba(31,224,168,.14),transparent 70%),
    rgba(255,255,255,.045);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-1);
}
.cta-card h2{font-size:clamp(20px,2.4vw,28px);margin-bottom:10px}
.cta-card p{color:var(--tx-2);font-size:15px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 相关推荐 */
.related{padding:56px 0 12px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:26px}
.sec-head h2{font-size:clamp(20px,2.4vw,26px)}
.sec-head .sec-desc{color:var(--tx-2);font-size:14px;margin-top:8px}
.rec-grid{padding:0 !important}
.rec-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform 220ms cubic-bezier(.2,.7,.3,1),box-shadow 220ms ease,border-color 220ms ease;
}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--line-2)}
.rec-thumb{aspect-ratio:16/10;overflow:hidden;background:#0D1626}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms cubic-bezier(.2,.7,.3,1)}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-body h3{font-size:17px;line-height:1.5;font-weight:600}
.rec-body p{font-size:14px;color:var(--tx-2);line-height:1.75}
.rec-link{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:var(--brand);
  font-weight:600;
}
.rec-link i{transition:transform 220ms cubic-bezier(.2,.7,.3,1)}
.rec-card:hover .rec-link i{transform:translateX(4px)}

/* 返回栏目 */
.back-cat{padding:36px 0 88px}
.back-link{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 22px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--tx-2);
  font-size:14px;
  transition:color 160ms ease,border-color 160ms ease,transform 220ms cubic-bezier(.2,.7,.3,1);
}
.back-link:hover{color:var(--brand);border-color:var(--line-2);transform:translateX(-3px)}

/* 页脚 */
.site-foot{
  position:relative;
  z-index:1;
  background:#04070D;
  border-top:1px solid var(--line);
  padding:60px 0 26px;
  margin-top:20px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  align-items:start;
}
.foot-brand p{color:var(--tx-2);font-size:14px;line-height:1.8;margin:16px 0 18px;max-width:340px}
.foot-contact{display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--tx-3)}
.foot-contact i{color:var(--brand);margin-right:8px}
.foot-col h4{font-size:14px;color:var(--tx-1);margin-bottom:16px;letter-spacing:.04em}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col a{font-size:14px;color:var(--tx-2);transition:color 160ms ease,transform 220ms cubic-bezier(.2,.7,.3,1);display:inline-block}
.foot-col a:hover{color:var(--brand);transform:translateX(3px)}
.foot-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:var(--tx-3);
}

/* 响应式 */
@media (max-width:1099px){
  .dock-nav,.dock-cta{display:none}
  .dock-toggle{display:inline-flex}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:1023px){
  .article-main{padding:48px 0 20px}
  .article-hero{padding:34px 0 32px}
  .cta-card{padding:30px 26px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom{flex-direction:column;gap:6px}
  .rec-card{margin-bottom:18px}
  .related{padding:44px 0 8px}
  .back-cat{padding:28px 0 64px}
  .article-body{font-size:16px}
}
@media (max-width:520px){
  .dock{padding:0 12px;top:10px;margin-top:12px}
  .dock-inner{padding:9px 12px;gap:10px}
  .dock-logo{font-size:15px}
  .dock-logo .mark{width:30px;height:30px;border-radius:10px;font-size:13px}
  .dock-panel{left:12px;right:12px}
  .btn{width:100%}
  .cta-actions{width:100%}
  .article-title{font-size:24px}
  .article-meta{gap:10px}
  .article-cover{aspect-ratio:4/3}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.001ms !important;animation-duration:.001ms !important}
  .rec-card:hover,.btn-primary:hover,.btn-ghost:hover,.back-link:hover{transform:none}
  .rec-card:hover .rec-thumb img{transform:none}
}

/* roulang page: category1 */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111A2B;
  --brand:#1FE0A8;
  --brand-deep:#0FA87C;
  --brand-soft:rgba(31,224,168,.12);
  --accent:#FF5A3C;
  --tx-1:#E9F1FA;
  --tx-2:#93A3B8;
  --tx-3:#5E6E85;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(31,224,168,.32);
  --glass:rgba(255,255,255,.045);
  --r-card:18px;
  --r-img:16px;
  --r-pill:999px;
  --r-input:12px;
  --r-dock:22px;
  --sh-card:0 8px 28px rgba(0,0,0,.35);
  --sh-card-hover:0 16px 44px rgba(0,0,0,.45);
  --glow:0 0 22px rgba(31,224,168,.35);
  --ff:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
  --fm:ui-monospace,SFMono-Regular,"JetBrains Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;padding:0;font-family:var(--ff);font-size:16px;line-height:1.85;color:var(--tx-1);background:var(--bg-0);overflow-x:hidden;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:64px 64px;opacity:.7}
body::after{content:"";position:fixed;top:-260px;left:50%;transform:translateX(-50%);width:900px;height:900px;z-index:0;pointer-events:none;background:radial-gradient(circle,rgba(31,224,168,.10),transparent 62%)}
img{display:block;max-width:100%;border-radius:var(--r-img)}
a{color:var(--brand);text-decoration:none;transition:color 160ms ease}
a:hover{color:#63f2c6}
h1,h2,h3,h4,h5,h6{margin:0;font-family:var(--ff);color:var(--tx-1);font-weight:700;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(31,224,168,.28);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px;width:100%}
.cell{min-width:0}
@media screen and (min-width:640px){
  .medium-6{flex:0 0 50%;max-width:50%}
  .medium-12{flex:0 0 100%;max-width:100%}
}
@media screen and (min-width:1024px){
  .large-3{flex:0 0 25%;max-width:25%}
  .large-4{flex:0 0 33.3333%;max-width:33.3333%}
  .large-5{flex:0 0 41.6666%;max-width:41.6666%}
  .large-7{flex:0 0 58.3333%;max-width:58.3333%}
  .large-8{flex:0 0 66.6666%;max-width:66.6666%}
  .large-9{flex:0 0 75%;max-width:75%}
}

/* ============ 顶部 Dock 导航 ============ */
.site-head{position:sticky;top:0;z-index:80;padding:16px 0 0}
.dock{position:relative;width:min(1120px,calc(100% - 32px));margin:0 auto;display:flex;align-items:center;gap:16px;padding:10px 12px 10px 16px;border-radius:var(--r-dock);border:1px solid var(--line);background:rgba(11,18,32,.62);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);transition:background 220ms ease,box-shadow 220ms ease,border-color 220ms ease}
.site-head.is-scrolled .dock{background:rgba(5,8,15,.92);border-color:rgba(255,255,255,.13);box-shadow:0 16px 44px rgba(0,0,0,.5)}
.dock-logo{display:inline-flex;align-items:center;gap:10px;color:var(--tx-1);font-weight:800;font-size:16px;letter-spacing:.01em;white-space:nowrap;flex:0 0 auto}
.dock-logo:hover{color:var(--tx-1)}
.dock-logo .mark{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(150deg,var(--brand),var(--brand-deep));color:#04160F;font-size:15px;font-weight:800;flex:0 0 auto}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.dock-nav a{position:relative;display:inline-block;padding:8px 12px;border-radius:var(--r-pill);color:var(--tx-2);font-size:14.5px;line-height:1.2;white-space:nowrap;transition:color 160ms ease,background 160ms ease,transform 220ms cubic-bezier(.2,.7,.3,1)}
.dock-nav a:hover{color:var(--tx-1);background:rgba(255,255,255,.06);transform:translateY(-1px)}
.dock-nav a.is-active{color:var(--brand);background:var(--brand-soft)}
.dock-nav a.is-active::after{content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);width:16px;height:2px;border-radius:2px;background:var(--brand)}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:6px;flex:0 0 auto}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--tx-2);background:transparent;transition:color 160ms ease,border-color 160ms ease,background 160ms ease}
.icon-btn:hover{color:var(--brand);border-color:var(--line-2);background:var(--brand-soft)}
.burger{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);color:var(--tx-1);place-items:center;background:transparent;transition:border-color 160ms ease,background 160ms ease}
.burger:hover{border-color:var(--line-2);background:var(--brand-soft)}
.burger i{font-size:16px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;transition:transform 220ms cubic-bezier(.2,.7,.3,1),box-shadow 220ms ease,background 160ms ease,color 160ms ease,border-color 160ms ease}
.btn i{font-size:13px}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#03211A;box-shadow:var(--glow)}
.btn-primary:hover{color:#03211A;transform:translateY(-2px);box-shadow:0 0 34px rgba(31,224,168,.5)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--line-2);color:var(--tx-1);background:transparent}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}

/* 移动端抽屉 */
.drawer{display:none;position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%);width:min(1120px,calc(100% - 32px));padding:14px;border-radius:var(--r-card);border:1px solid var(--line);background:rgba(6,10,18,.97);backdrop-filter:blur(18px);box-shadow:0 22px 50px rgba(0,0,0,.55);z-index:90}
.drawer.is-open{display:block}
.drawer nav{display:grid;gap:2px}
.drawer nav a{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 14px;border-radius:12px;color:var(--tx-2);font-size:15px;transition:background 160ms ease,color 160ms ease}
.drawer nav a:hover{background:rgba(255,255,255,.05);color:var(--tx-1)}
.drawer nav a.is-active{color:var(--brand);background:var(--brand-soft)}
.drawer nav a i{font-size:12px;opacity:.6}
.drawer .drawer-cta{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}

@media screen and (max-width:1099px){
  .dock-nav{display:none}
  .burger{display:grid}
  .dock-actions .icon-btn{display:none}
}
@media screen and (max-width:519px){
  .dock{gap:10px;padding:8px 10px 8px 12px}
  .dock-logo{font-size:14.5px}
  .dock-logo .mark{width:28px;height:28px;border-radius:9px;font-size:13px}
  .dock-actions .btn{height:36px;padding:0 14px;font-size:13.5px}
  .icon-btn,.burger{width:36px;height:36px}
}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;padding:40px 0 44px;border-bottom:1px solid var(--line);z-index:1}
.page-hero::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;opacity:.36;filter:saturate(.92)}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,var(--bg-0) 10%,rgba(6,10,18,.86) 48%,rgba(6,10,18,.46) 100%)}
.page-hero .container{z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--tx-2);margin-bottom:16px}
.crumbs a{color:var(--tx-2)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--brand);opacity:.75}
.crumbs .cur{color:var(--tx-2)}
.page-hero h1{font-size:clamp(28px,3.6vw,44px);line-height:1.18;letter-spacing:-.02em;font-weight:800;margin:0}
.page-hero h1 .hl{color:var(--brand)}
.page-hero .lead{margin-top:14px;max-width:33em;color:var(--tx-2);font-size:16.5px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hero-figure{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-card);aspect-ratio:16/10;margin:0}
.hero-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 320ms cubic-bezier(.2,.7,.3,1)}
.hero-figure:hover img{transform:scale(1.04)}
.hero-chip{position:absolute;left:14px;bottom:14px;display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--r-pill);background:rgba(6,10,18,.66);border:1px solid var(--line);backdrop-filter:blur(14px);font-size:12.5px;color:var(--tx-1);letter-spacing:.02em}
.hero-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(31,224,168,.8)}
.hero-side{display:none}
@media screen and (min-width:1024px){
  .page-hero{padding:44px 0 48px}
  .hero-side{display:block}
}
@media screen and (max-width:519px){
  .hero-actions .btn{width:100%}
  .page-hero{padding:28px 0 32px}
  .page-hero .lead{font-size:15.5px}
}

/* ============ 通用板块 ============ */
.section{padding:96px 0;position:relative;z-index:1}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-label{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;color:var(--brand);background:var(--brand-soft);border:1px solid var(--line-2);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:16px}
.block-title{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
.block-desc{margin-top:14px;color:var(--tx-2);font-size:16px;line-height:1.85;max-width:46em}
@media screen and (max-width:1023px){.section{padding:72px 0}}
@media screen and (max-width:639px){
  .section{padding:56px 0}
  .container{padding:0 18px}
}

/* ============ 主体：锚点目录 + 长文 ============ */
.layout-body{padding-top:8px}
.toc{position:sticky;top:96px;padding:20px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-1);box-shadow:var(--sh-card)}
.toc .toc-title{font-size:12px;letter-spacing:.14em;color:var(--tx-3);font-weight:600;margin-bottom:14px}
.toc ol{display:grid;gap:2px}
.toc a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;color:var(--tx-2);font-size:14.5px;transition:background 160ms ease,color 160ms ease}
.toc a:hover{background:rgba(255,255,255,.05);color:var(--tx-1)}
.toc a .n{font-family:var(--fm);font-size:12px;color:var(--brand);opacity:.7;font-variant-numeric:tabular-nums}
.toc .toc-cta{margin-top:16px;display:flex}
@media screen and (max-width:1023px){
  .toc{position:static;margin-bottom:28px}
}

.article-body{max-width:100%}
.sec{margin-bottom:52px;scroll-margin-top:110px}
.sec:last-child{margin-bottom:0}
.sec-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.sec-num{flex:0 0 auto;font-family:var(--fm);font-size:12.5px;letter-spacing:.06em;color:var(--brand);background:var(--brand-soft);border:1px solid var(--line-2);border-radius:var(--r-pill);padding:2px 10px;font-variant-numeric:tabular-nums}
.sec-head h2{font-size:clamp(20px,2.2vw,26px);line-height:1.35;letter-spacing:-.01em}
.article-body p{margin-top:12px;color:var(--tx-2);font-size:16px;line-height:1.9}
.article-body p strong{color:var(--tx-1);font-weight:600}
.article-body p .em{color:var(--brand);font-weight:600}

.check-list{margin-top:16px;display:grid;gap:10px}
.check-list li{position:relative;padding-left:22px;color:var(--tx-2);font-size:15.5px;line-height:1.75}
.check-list li::before{content:"";position:absolute;left:2px;top:.64em;width:8px;height:8px;border-radius:2px;background:var(--brand);transform:rotate(45deg);opacity:.85}
.check-list li b{color:var(--tx-1);font-weight:600}

.steps{margin-top:18px;display:grid}
.steps li{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line)}
.steps li:last-child{border-bottom:1px solid var(--line)}
.steps .st-n{flex:0 0 auto;font-family:var(--fm);font-size:14px;color:var(--brand);min-width:32px;font-variant-numeric:tabular-nums;padding-top:2px}
.steps h3{font-size:16.5px;font-weight:600;margin-bottom:2px}
.steps p{margin-top:2px;font-size:14.8px;line-height:1.75}

.table-scroll{margin-top:18px;border:1px solid var(--line);border-radius:14px;overflow-x:auto;background:var(--bg-1)}
.table-scroll table{min-width:560px}
.table-scroll thead th{background:rgba(31,224,168,.10);color:var(--tx-1);text-align:left;padding:12px 16px;font-size:14px;font-weight:600;white-space:nowrap}
.table-scroll tbody td{padding:12px 16px;border-top:1px solid var(--line);color:var(--tx-2);font-size:14.5px}
.table-scroll tbody tr:nth-child(even){background:rgba(255,255,255,.025)}
.table-scroll .price{font-family:var(--fm);color:var(--brand);font-variant-numeric:tabular-nums}
.table-note{margin-top:10px;font-size:13px;color:var(--tx-3)}

.article-figure{margin:20px 0 0;border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;background:var(--bg-1)}
.article-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform 320ms cubic-bezier(.2,.7,.3,1)}
.article-figure:hover img{transform:scale(1.03)}
.article-figure figcaption{padding:10px 14px;font-size:13px;color:var(--tx-2);text-align:center;border-top:1px solid var(--line)}

/* ============ 适用人群 + 数据 ============ */
.aud-head{display:flex;flex-direction:column;gap:14px}
.aud-list{display:grid;gap:12px;grid-template-columns:1fr}
.aud-card{padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:var(--bg-2);transition:transform 220ms cubic-bezier(.2,.7,.3,1),box-shadow 220ms ease,border-color 160ms ease}
.aud-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:var(--line-2)}
.aud-card h3{font-size:16px;font-weight:600;margin-bottom:4px}
.aud-card p{color:var(--tx-2);font-size:14.5px;line-height:1.7;margin:0}
.stat-row{display:grid;gap:16px;grid-template-columns:1fr;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.stat{display:flex;align-items:flex-end;gap:10px}
.stat .num{font-family:var(--fm);font-size:clamp(30px,3.4vw,40px);font-weight:700;color:var(--brand);line-height:1;font-variant-numeric:tabular-nums}
.stat .unit{font-size:13px;color:var(--tx-3);padding-bottom:4px}
.stat .cap{font-size:13.5px;color:var(--tx-2);padding-bottom:4px;line-height:1.5}
@media screen and (min-width:640px){
  .aud-list{grid-template-columns:repeat(2,1fr)}
  .stat-row{grid-template-columns:repeat(2,1fr)}
}
@media screen and (min-width:1024px){
  .stat-row{grid-template-columns:repeat(4,1fr)}
}

/* ============ FAQ ============ */
.faq-intro{padding-right:12px}
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:14px;background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);overflow:hidden;transition:border-color 160ms ease,background 160ms ease}
.faq-item:hover{border-color:rgba(255,255,255,.16)}
.faq-item.is-open{border-color:var(--line-2);background:rgba(31,224,168,.07)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:16px 18px;text-align:left;font-size:16px;font-weight:600;color:var(--tx-1);line-height:1.6}
.faq-ic{flex:0 0 auto;width:26px;height:26px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line);color:var(--tx-2);font-size:13px;transition:transform 220ms cubic-bezier(.2,.7,.3,1),color 160ms ease,border-color 160ms ease}
.faq-item.is-open .faq-ic{transform:rotate(45deg);color:var(--brand);border-color:var(--line-2)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms cubic-bezier(.2,.7,.3,1)}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{padding:0 18px 18px;margin:0;color:var(--tx-2);font-size:15px;line-height:1.8}

/* ============ CTA ============ */
.cta-card{position:relative;overflow:hidden;border-radius:22px;border:1px solid var(--line-2);padding:40px;background:linear-gradient(118deg,rgba(31,224,168,.14),rgba(255,255,255,.035) 46%,rgba(255,90,60,.08));backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);box-shadow:var(--sh-card)}
.cta-card::after{content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(31,224,168,.18),transparent 66%);pointer-events:none}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);line-height:1.32;letter-spacing:-.01em}
.cta-card p{margin-top:12px;color:var(--tx-2);font-size:15.5px;line-height:1.85;max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cta-meta{display:grid;gap:12px;margin-top:6px}
.cta-meta li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--tx-2);line-height:1.7}
.cta-meta i{color:var(--brand);font-size:14px;margin-top:5px;flex:0 0 auto}
.cta-meta b{color:var(--tx-1);font-weight:600}
@media screen and (max-width:639px){
  .cta-card{padding:26px 20px}
  .cta-actions .btn{width:100%}
}

/* ============ 页脚 ============ */
.site-foot{position:relative;z-index:1;margin-top:96px;padding-top:56px;background:#05080F;border-top:1px solid var(--line)}
.foot-grid{display:grid;gap:34px;grid-template-columns:1fr}
.foot-brand .dock-logo{font-size:16px}
.foot-brand p{margin-top:14px;color:var(--tx-2);font-size:14.5px;line-height:1.85;max-width:34em}
.foot-contact{display:grid;gap:8px;margin-top:16px}
.foot-contact span{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--tx-3)}
.foot-contact i{color:var(--brand);font-size:13px}
.foot-col h4{font-size:14px;font-weight:600;color:var(--tx-1);margin-bottom:14px;letter-spacing:.02em}
.foot-col ul{display:grid;gap:9px}
.foot-col a{color:var(--tx-3);font-size:14px;transition:color 160ms ease,padding-left 160ms ease}
.foot-col a:hover{color:var(--brand);padding-left:3px}
.foot-bottom{margin-top:40px;padding:18px 0;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:var(--tx-3)}
@media screen and (min-width:640px){
  .foot-grid{grid-template-columns:repeat(2,1fr)}
}
@media screen and (min-width:1024px){
  .foot-grid{grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
}
@media screen and (max-width:639px){
  .site-foot{margin-top:56px;padding-top:40px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .btn:hover,.aud-card:hover,.dock-nav a:hover,.hero-figure:hover img,.article-figure:hover img{transform:none !important}
}

/* roulang page: category2 */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111A2B;
  --brand:#1FE0A8;
  --brand-deep:#0FA87C;
  --brand-soft:rgba(31,224,168,.12);
  --accent:#FF5A3C;
  --tx-1:#E9F1FA;
  --tx-2:#93A3B8;
  --tx-3:#5E6E85;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(31,224,168,.32);
  --glass:rgba(255,255,255,.045);
  --r-card:18px;
  --r-img:16px;
  --r-dock:22px;
  --r-input:12px;
  --sh-1:0 8px 28px rgba(0,0,0,.35);
  --sh-2:0 16px 44px rgba(0,0,0,.45);
  --glow:0 0 22px rgba(31,224,168,.35);
  --t-fast:160ms ease;
  --t-move:220ms cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-1);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:64px 64px;
}
body::after{
  content:"";position:fixed;top:-24%;left:50%;transform:translateX(-50%);
  width:min(1200px,120vw);height:720px;z-index:0;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(31,224,168,.10),transparent 66%);
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--t-fast)}
a:hover,a:focus{color:var(--tx-1)}
h1,h2,h3,h4,h5,h6{color:var(--tx-1);margin:0;font-weight:700;letter-spacing:0}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{list-style:none;margin:0;padding:0}
button{font:inherit;background:none;border:0;color:inherit;cursor:pointer;margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}
main{position:relative;z-index:1;display:block}
.section{padding:96px 0;position:relative}
.section--tight{padding:72px 0}
[id]{scroll-margin-top:120px}

/* ============ Dock 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;padding:16px 16px 0;transition:padding var(--t-move)}
.dock{
  width:min(1120px,100%);margin:0 auto;border-radius:var(--r-dock);
  display:flex;align-items:center;gap:18px;
  padding:12px 16px;
  background:rgba(11,18,32,.66);
  border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:0 10px 30px rgba(0,0,0,.28);
  transition:background var(--t-move),box-shadow var(--t-move),border-color var(--t-move);
}
.site-header.is-scrolled .dock{background:rgba(6,10,18,.9);box-shadow:0 16px 40px rgba(0,0,0,.5);border-color:rgba(255,255,255,.13)}
.dock-logo{display:inline-flex;align-items:center;gap:10px;color:var(--tx-1);font-weight:700;font-size:17px;white-space:nowrap}
.dock-logo:hover{color:var(--tx-1)}
.dock-logo .mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(150deg,var(--brand),var(--brand-deep));
  color:#04120D;font-size:16px;font-weight:800;
  box-shadow:0 0 18px rgba(31,224,168,.32);
}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock-nav a{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:999px;
  font-size:14.5px;color:var(--tx-2);white-space:nowrap;
  transition:color var(--t-fast),background var(--t-fast),transform var(--t-fast);
}
.dock-nav a:hover{color:var(--tx-1);background:rgba(255,255,255,.05);transform:translateY(-1px)}
.dock-nav a.is-active{color:var(--brand);background:var(--brand-soft)}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;
  width:16px;height:2px;border-radius:2px;background:var(--brand);
}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:6px}
.dock-search{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--tx-2);border:1px solid var(--line);
  transition:color var(--t-fast),border-color var(--t-fast),background var(--t-fast);
}
.dock-search:hover{color:var(--brand);border-color:var(--line-2);background:var(--brand-soft)}
.dock-toggle{
  display:none;width:38px;height:38px;border-radius:12px;
  border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.dock-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--tx-1);transition:transform var(--t-fast),opacity var(--t-fast)}
.dock-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(3px) rotate(45deg)}
.dock-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.dock-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-3px) rotate(-45deg)}

.dock-drawer{display:none;width:min(1120px,100%);margin:10px auto 0;padding:14px;
  background:rgba(9,15,26,.97);border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--sh-2);backdrop-filter:blur(18px) saturate(140%);}
.dock-drawer.is-open{display:block}
.dock-drawer a{display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:12px;color:var(--tx-2);font-size:15.5px;border:1px solid transparent}
.dock-drawer a:hover,.dock-drawer a.is-active{color:var(--brand);background:var(--brand-soft);border-color:var(--line-2)}
.dock-drawer .drawer-cta{margin-top:10px}
.drawer-cta .btn{width:100%}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--t-move),box-shadow var(--t-move),background var(--t-fast),color var(--t-fast),border-color var(--t-fast);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(140deg,var(--brand),var(--brand-deep));color:#04120D;box-shadow:var(--glow)}
.btn-primary:hover{color:#04120D;box-shadow:0 0 34px rgba(31,224,168,.5);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.18);color:var(--tx-1);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--line-2);color:var(--brand);background:var(--brand-soft);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand)}
.text-link i{transition:transform var(--t-move);font-size:12px}
.text-link:hover i{transform:translateX(4px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  background:var(--brand-soft);color:var(--brand);border:1px solid rgba(31,224,168,.22);
}
.badge--accent{background:rgba(255,90,60,.12);color:#FF8B74;border-color:rgba(255,90,60,.3)}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--brand);font-weight:700;margin-bottom:10px}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;padding:76px 0 64px;min-height:340px;display:flex;align-items:center;border-bottom:1px solid var(--line)}
.page-hero .hero-media{position:absolute;inset:0;z-index:0}
.page-hero .hero-media img{width:100%;height:100%;object-fit:cover;opacity:.34}
.page-hero .hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,18,.55) 0%,rgba(6,10,18,.86) 62%,var(--bg-0) 100%),
             linear-gradient(90deg,rgba(6,10,18,.92) 0%,rgba(6,10,18,.35) 70%);
}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{
  font-size:clamp(28px,3.9vw,46px);line-height:1.2;font-weight:800;letter-spacing:-.02em;
  max-width:820px;margin:16px 0 14px;
}
.hero-sub{max-width:620px;color:var(--tx-2);font-size:17px;margin-bottom:26px}
.hero-note{margin-top:14px;font-size:13px;color:var(--tx-3)}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--tx-3)}
.crumb a{color:var(--tx-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--brand);opacity:.8}
.crumb .current{color:var(--tx-2)}

/* ============ 板块头 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.sec-head h2{font-size:clamp(24px,3vw,36px);line-height:1.28;font-weight:700;margin-top:6px}
.sec-note{max-width:420px;color:var(--tx-2);font-size:15px;margin:0}
.sec-head .sec-note{margin-bottom:0}

/* ============ 服务卡片矩阵 ============ */
.card-matrix{margin-bottom:-24px}
.card-matrix > .cell{margin-bottom:24px}
.svc-card{
  position:relative;height:100%;display:flex;flex-direction:column;
  background:linear-gradient(158deg,rgba(255,255,255,.065),rgba(255,255,255,.018));
  border:1px solid var(--line);border-radius:var(--r-card);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform var(--t-move),box-shadow var(--t-move),border-color var(--t-move);
}
.svc-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2),0 0 0 1px var(--line-2);border-color:var(--line-2)}
.svc-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.svc-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-move)}
.svc-card:hover .svc-media img{transform:scale(1.04)}
.svc-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,18,0) 45%,rgba(6,10,18,.72) 100%)}
.svc-num{
  position:absolute;left:16px;top:14px;z-index:2;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;font-weight:700;color:var(--brand);
  background:rgba(6,10,18,.62);border:1px solid var(--line-2);border-radius:999px;padding:3px 10px;
}
.svc-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.svc-body h3{font-size:20px;font-weight:600;line-height:1.45}
.svc-body p{color:var(--tx-2);font-size:15px;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.svc-body .text-link{margin-top:auto;padding-top:6px}

/* ============ 数据块 ============ */
.stats-band{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat-cell{padding:6px 0}
.stat-num{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:clamp(38px,4.6vw,58px);font-weight:800;line-height:1.05;
  color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-num small{font-size:15px;font-weight:600;color:var(--tx-2);margin-left:6px;letter-spacing:0;font-family:inherit}
.stat-label{font-size:15px;font-weight:600;color:var(--tx-1);margin:10px 0 4px}
.stat-desc{font-size:14px;color:var(--tx-2);margin:0;line-height:1.75}

/* ============ 编号流程行 ============ */
.step-list{border-top:1px solid var(--line)}
.step-row{
  display:grid;grid-template-columns:70px 1fr 34px;align-items:center;gap:20px;
  padding:26px 18px;border-bottom:1px solid var(--line);
  border-radius:14px;
  transition:background var(--t-fast),transform var(--t-move);
}
.step-row:hover{background:var(--glass);transform:translateX(2px)}
.step-idx{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:20px;font-weight:700;color:var(--brand);opacity:.55;letter-spacing:.04em;
  transition:opacity var(--t-fast);
}
.step-row:hover .step-idx{opacity:1}
.step-main h3{font-size:18px;font-weight:600;margin-bottom:4px}
.step-main p{margin:0;color:var(--tx-2);font-size:14.5px;line-height:1.75}
.step-arrow{color:var(--tx-3);transition:transform var(--t-move),color var(--t-fast);text-align:right}
.step-row:hover .step-arrow{transform:translateX(4px);color:var(--brand)}

/* ============ 场景清单 ============ */
.scene-panel{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:34px 32px;box-shadow:var(--sh-1);height:100%;
}
.scene-panel h3{font-size:19px;margin-bottom:18px}
.scene-list li{
  position:relative;padding-left:20px;margin-bottom:14px;
  color:var(--tx-2);font-size:15px;line-height:1.8;
}
.scene-list li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:9px;height:2px;border-radius:2px;background:var(--brand);
}
.scene-list li strong{color:var(--tx-1);font-weight:600}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  font-size:13px;color:var(--tx-2);border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:color var(--t-fast),border-color var(--t-fast),background var(--t-fast);
}
.tag:hover{color:var(--brand);border-color:var(--line-2);background:var(--brand-soft)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  transition:border-color var(--t-fast),background var(--t-fast);
  overflow:hidden;
}
.faq-item:hover{border-color:rgba(255,255,255,.18)}
.faq-item:has(.faq-q[aria-expanded="true"]){border-color:var(--line-2);background:rgba(31,224,168,.06)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16.5px;font-weight:600;color:var(--tx-1);
  transition:color var(--t-fast);
}
.faq-q:hover{color:var(--brand)}
.faq-ico{position:relative;flex:0 0 18px;width:18px;height:18px;transition:transform var(--t-move),color var(--t-fast);color:var(--tx-2)}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px}
.faq-ico::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq-ico::after{width:2px;height:14px;transform:translate(-50%,-50%)}
.faq-q[aria-expanded="true"] .faq-ico{transform:rotate(45deg);color:var(--brand)}
.faq-a{padding:0 24px 22px;color:var(--tx-2);font-size:15px;line-height:1.8}
.faq-a[hidden]{display:none}

/* ============ CTA ============ */
.cta-card{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(31,224,168,.14),rgba(17,26,43,.9) 62%);
  border:1px solid var(--line-2);border-radius:24px;
  padding:52px 48px;box-shadow:var(--sh-2);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}
.cta-card::after{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,168,.22),transparent 68%);pointer-events:none;
}
.cta-card h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;max-width:640px}
.cta-card p{color:var(--tx-2);max-width:620px;margin-bottom:26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.cta-meta{font-size:13px;color:var(--tx-3);margin-top:18px}

/* ============ 页脚 ============ */
.site-foot{position:relative;z-index:1;background:#050810;border-top:1px solid var(--line);padding:64px 0 26px;margin-top:96px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.foot-brand p{color:var(--tx-2);font-size:14.5px;margin:16px 0 18px;max-width:340px;line-height:1.8}
.foot-brand .dock-logo{margin-bottom:4px}
.foot-contact{display:grid;gap:8px;font-size:13.5px;color:var(--tx-3)}
.foot-contact i{color:var(--brand);margin-right:8px;font-size:12px}
.foot-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--tx-1)}
.foot-col ul{display:grid;gap:10px}
.foot-col a{color:var(--tx-2);font-size:14px}
.foot-col a:hover{color:var(--brand)}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--tx-3);
}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .dock-nav{display:none}
  .dock-toggle{display:inline-flex}
  .dock-actions{margin-left:auto}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:34px}
  .sec-note{max-width:100%}
  .page-hero{padding:60px 0 52px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .cta-card{padding:36px 24px;border-radius:20px}
  .step-row{grid-template-columns:52px 1fr;gap:14px;padding:22px 12px}
  .step-arrow{display:none}
  .scene-panel{padding:26px 22px}
  .svc-body{padding:20px 20px 22px}
  .faq-q{padding:18px 18px;font-size:15.5px}
  .faq-a{padding:0 18px 18px}
  .btn{width:100%}
  .cta-actions .btn{width:100%}
  .dock-actions .btn{width:auto}
}
@media (max-width:640px){
  .section{padding:56px 0}
  .page-hero h1{font-size:26px}
  .hero-sub{font-size:15.5px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;gap:6px}
  .site-foot{padding:48px 0 22px;margin-top:64px}
  .stat-cell{margin-bottom:26px}
  .card-matrix{margin-bottom:-20px}
  .card-matrix > .cell{margin-bottom:20px}
}
@media (max-width:479px){
  .stats-band .stat-cell{flex:0 0 100%;max-width:100%}
  .dock-logo{font-size:15px}
  .dock{padding:10px 12px;gap:10px}
  .cta-card h2{font-size:22px}
  .step-main h3{font-size:16.5px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .svc-card:hover,.step-row:hover,.btn:hover{transform:none !important}
  .svc-card:hover .svc-media img{transform:none !important}
}

/* roulang page: category3 */
/* ============ 设计令牌 ============ */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111A2B;
  --brand:#1FE0A8;
  --brand-deep:#0FA87C;
  --brand-soft:rgba(31,224,168,.12);
  --accent:#FF5A3C;
  --tx-1:#E9F1FA;
  --tx-2:#93A3B8;
  --tx-3:#5E6E85;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(31,224,168,.32);
  --glass:rgba(255,255,255,.045);
  --r-card:18px;
  --r-img:16px;
  --r-pill:999px;
  --r-input:12px;
  --r-dock:22px;
  --sh-card:0 8px 28px rgba(0,0,0,.35);
  --sh-hover:0 16px 44px rgba(0,0,0,.45);
  --glow:0 0 22px rgba(31,224,168,.35);
  --glow-2:0 0 34px rgba(31,224,168,.5);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --font:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--tx-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(70% 46% at 84% 0%, rgba(31,224,168,.10), transparent 70%),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:auto, 72px 72px, 72px 72px;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color 160ms ease}
a:hover{color:#FFFFFF}
h1,h2,h3,h4{font-family:var(--font);color:var(--tx-1);margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:rgba(31,224,168,.28);color:#FFF}

/* ============ 容器与板块 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.band{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:var(--brand);
  background:var(--brand-soft);border:1px solid var(--line-2);
  padding:5px 12px;border-radius:var(--r-pill);
}
.section-title{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.3;margin:16px 0 14px}
.lead{color:var(--tx-2);font-size:16px;line-height:1.85}
.text-dim{color:var(--tx-2)}

/* ============ 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;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform 220ms cubic-bezier(.2,.7,.3,1),box-shadow 220ms ease,background 160ms ease,color 160ms ease,border-color 160ms ease;
  white-space:nowrap;text-align:center;
}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#04140E;box-shadow:var(--glow)}
.btn-primary:hover{color:#04140E;transform:translateY(-2px);box-shadow:var(--glow-2)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--tx-1)}
.btn-ghost:hover{border-color:var(--line-2);color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

/* ============ Dock 导航 ============ */
.site-header{position:sticky;top:16px;z-index:80;padding:0 16px}
.dock{
  width:min(1120px,100%);margin:0 auto;
  display:flex;align-items:center;gap:16px;
  padding:10px 14px 10px 16px;
  border-radius:var(--r-dock);
  background:rgba(11,18,32,.72);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  transition:background 220ms ease,box-shadow 220ms ease,border-color 220ms ease;
}
.site-header.is-scrolled .dock{background:rgba(6,10,18,.92);box-shadow:0 16px 40px rgba(0,0,0,.5);border-color:rgba(255,255,255,.12)}
.dock-logo{display:inline-flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:var(--tx-1);white-space:nowrap}
.dock-logo:hover{color:var(--brand)}
.mark{
  width:32px;height:32px;flex:0 0 auto;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,var(--brand),var(--brand-deep));
  color:#04140E;font-weight:800;font-size:16px;
}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.dock-nav a{
  position:relative;padding:8px 12px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--tx-2);
  transition:color 160ms ease,background 160ms ease,transform 220ms cubic-bezier(.2,.7,.3,1);
}
.dock-nav a:hover{color:var(--tx-1);background:rgba(255,255,255,.05);transform:translateY(-1px)}
.dock-nav a.is-active{color:var(--brand);background:var(--brand-soft);box-shadow:inset 0 0 0 1px var(--line-2)}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:6px}
.dock-burger{
  display:none;width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  cursor:pointer;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.dock-burger span{display:block;width:17px;height:2px;border-radius:2px;background:var(--tx-1);transition:transform 220ms ease,opacity 160ms ease}
.dock-burger:hover{border-color:var(--line-2)}
.dock-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.dock-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.dock-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.dock-drawer{
  width:min(1120px,100%);margin:10px auto 0;
  padding:10px;border-radius:18px;
  background:rgba(6,10,18,.97);
  border:1px solid var(--line);
  box-shadow:0 20px 46px rgba(0,0,0,.55);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}
.dock-drawer[hidden]{display:none}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;
  border-radius:12px;font-size:15px;color:var(--tx-2);
}
.drawer-nav a:hover{color:var(--tx-1);background:rgba(255,255,255,.05)}
.drawer-nav a.is-active{color:var(--brand);background:var(--brand-soft)}
.drawer-cta{margin:10px 6px 4px;width:calc(100% - 12px)}

/* ============ Hero（分类页压缩版） ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:34px 0 44px;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(180deg,rgba(6,10,18,.74),rgba(6,10,18,.96)),
    radial-gradient(80% 120% at 88% -10%, rgba(31,224,168,.22), transparent 62%),
    url(/assets/images/backpic/back-2.png);
  background-size:cover,cover,cover;
  background-position:center,center,center;
  background-repeat:no-repeat;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--tx-2);margin-bottom:20px}
.crumb a{color:var(--tx-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--brand);opacity:.75}
.crumb .is-current{color:var(--tx-2);opacity:.8}
.page-title{font-size:clamp(27px,3.6vw,42px);font-weight:800;line-height:1.18;margin:0 0 14px;max-width:900px}
.page-sub{color:var(--tx-2);font-size:16px;line-height:1.8;margin:0 0 24px;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.hero-note{font-size:13px;color:var(--tx-3)}

/* ============ 栅格辅助 ============ */
.grid-x.pad{margin-left:-12px;margin-right:-12px}
.grid-x.pad > .cell{padding-left:12px;padding-right:12px}

/* ============ 图文区 ============ */
.media{
  position:relative;margin:0;overflow:hidden;
  border-radius:var(--r-img);
  border:1px solid var(--line);
  background:var(--bg-2);
  box-shadow:var(--sh-card);
}
.media img{width:100%;height:100%;object-fit:cover;transition:transform 220ms cubic-bezier(.2,.7,.3,1)}
.media:hover img{transform:scale(1.04)}
.media-ratio{aspect-ratio:4 / 3}
.media figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 16px;font-size:13px;color:var(--tx-2);
  background:linear-gradient(180deg,transparent,rgba(4,7,13,.9));
}
.split-copy h2{font-size:clamp(23px,2.6vw,32px);font-weight:700;line-height:1.32;margin:14px 0 16px}
.split-copy p{color:var(--tx-2);font-size:15.5px;line-height:1.9;margin-bottom:14px}
.checks{display:grid;gap:12px;margin-top:22px}
.checks li{position:relative;padding-left:22px;font-size:15px;color:var(--tx-2);line-height:1.75}
.checks li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:10px;height:2px;border-radius:2px;background:var(--brand);
}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:6px}
.timeline::before{
  content:"";position:absolute;left:27px;top:16px;bottom:26px;width:2px;
  background:linear-gradient(180deg,var(--line-2),rgba(31,224,168,.06));
}
.tl-item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:20px;padding-bottom:32px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:relative;z-index:1;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--bg-2);border:1px solid var(--line);
  color:var(--brand);font-family:var(--mono);font-size:15px;font-weight:700;
  font-variant-numeric:tabular-nums;
  transition:border-color 160ms ease,box-shadow 220ms ease,transform 220ms cubic-bezier(.2,.7,.3,1);
}
.tl-item:hover .tl-num{border-color:var(--line-2);box-shadow:0 0 18px rgba(31,224,168,.28);transform:translateY(-2px)}
.tl-body{padding-top:7px}
.tl-body h3{font-size:19px;font-weight:600;margin-bottom:8px}
.tl-body p{color:var(--tx-2);font-size:15px;line-height:1.85;max-width:640px}
.tl-tag{
  display:inline-block;margin-top:10px;
  font-size:12px;letter-spacing:.06em;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-pill);padding:3px 10px;
}
.side-card{
  position:sticky;top:110px;
  padding:26px;border-radius:var(--r-card);
  background:var(--glass);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
}
.side-card h3{font-size:16px;font-weight:600;margin-bottom:6px}
.side-card .side-sub{font-size:13px;color:var(--tx-3);margin-bottom:16px}
.side-card ul{display:grid;gap:12px}
.side-card li{
  position:relative;padding-left:20px;
  font-size:14.5px;color:var(--tx-2);line-height:1.7;
}
.side-card li::before{
  content:"";position:absolute;left:0;top:.7em;
  width:8px;height:8px;border-radius:2px;background:var(--brand);opacity:.75;
}

/* ============ 编号行列表 ============ */
.rows{border-top:1px solid var(--line)}
.row-item{
  display:grid;grid-template-columns:70px 1fr 40px;
  align-items:center;gap:18px;
  padding:22px 16px;border-bottom:1px solid var(--line);
  color:var(--tx-1);
  transition:background 160ms ease,box-shadow 220ms ease;
}
.row-item:hover{background:var(--glass);color:var(--tx-1)}
.row-num{
  font-family:var(--mono);font-size:18px;font-weight:700;
  font-variant-numeric:tabular-nums;color:var(--brand);opacity:.6;
  transition:opacity 160ms ease;
}
.row-item:hover .row-num{opacity:1}
.row-main h3{font-size:18px;font-weight:600;margin-bottom:4px}
.row-main p{font-size:14.5px;color:var(--tx-2);line-height:1.7}
.row-arrow{
  display:grid;place-items:center;
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);color:var(--tx-2);font-size:13px;
  transition:transform 220ms cubic-bezier(.2,.7,.3,1),color 160ms ease,border-color 160ms ease;
}
.row-item:hover .row-arrow{transform:translateX(4px);color:var(--brand);border-color:var(--line-2)}

/* ============ 数据块 ============ */
.stat-grid{margin-top:8px}
.stat{
  height:100%;padding:24px 22px;border-radius:var(--r-card);
  background:var(--bg-2);border:1px solid var(--line);
  box-shadow:var(--sh-card);
  transition:box-shadow 220ms ease,border-color 160ms ease,transform 220ms cubic-bezier(.2,.7,.3,1);
}
.stat:hover{box-shadow:var(--sh-hover);border-color:var(--line-2);transform:translateY(-2px)}
.stat b{
  display:block;font-family:var(--mono);font-size:clamp(30px,3.2vw,42px);
  line-height:1.1;color:var(--brand);font-variant-numeric:tabular-nums;
  margin-bottom:8px;
}
.stat span{display:block;font-size:14px;color:var(--tx-2);line-height:1.7}

/* ============ FAQ ============ */
.faq-list{max-width:860px}
.faq-item{
  margin-bottom:12px;border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border:1px solid var(--line);
  transition:border-color 160ms ease,box-shadow 220ms ease;
}
.faq-item:hover{border-color:rgba(31,224,168,.24)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--tx-1);text-align:left;
  transition:color 160ms ease;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex:0 0 auto;font-size:20px;line-height:1;color:var(--tx-2);
  transition:transform 220ms cubic-bezier(.2,.7,.3,1),color 160ms ease;
}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);color:var(--brand)}
.faq-a{padding:0 22px 18px;font-size:15px;line-height:1.8;color:var(--tx-2)}
.faq-a[hidden]{display:none}

/* ============ CTA 卡 ============ */
.cta-card{
  position:relative;overflow:hidden;
  padding:44px;border-radius:24px;
  background-image:
    radial-gradient(90% 130% at 92% 6%, rgba(31,224,168,.20), transparent 58%),
    linear-gradient(180deg, rgba(17,26,43,.96), rgba(11,18,32,.98));
  border:1px solid var(--line-2);
  box-shadow:0 18px 50px rgba(0,0,0,.45);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}
.cta-copy h2{font-size:clamp(23px,2.7vw,32px);font-weight:700;line-height:1.32;margin:14px 0 14px}
.cta-copy p{color:var(--tx-2);font-size:15.5px;line-height:1.9;max-width:520px}
.cta-points{display:grid;gap:10px;margin-top:22px}
.cta-points li{position:relative;padding-left:20px;font-size:14.5px;color:var(--tx-2)}
.cta-points li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:10px;height:2px;border-radius:2px;background:var(--brand);
}
.cta-form{margin-top:6px}
.cta-form label{display:block;font-size:13px;color:var(--tx-2);margin-bottom:6px}
.req{color:var(--accent);margin-left:3px}
.cta-form input,.cta-form select{
  width:100%;margin-bottom:14px;padding:12px 14px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);border-radius:var(--r-input);
  color:var(--tx-1);font-size:15px;font-family:var(--font);line-height:1.4;
  transition:border-color 160ms ease,box-shadow 160ms ease,background 160ms ease;
}
.cta-form select{appearance:none;-webkit-appearance:none;cursor:pointer}
.cta-form input::placeholder{color:var(--tx-3)}
.cta-form input:focus,.cta-form select:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(31,224,168,.14);
  background:rgba(255,255,255,.05);
}
.cta-form input:invalid:not(:placeholder-shown){border-color:rgba(255,90,60,.55)}
.form-tip{font-size:12px;color:var(--tx-3);margin-top:10px;line-height:1.7}
.form-msg{
  margin-top:12px;font-size:13px;color:var(--brand);
  background:var(--brand-soft);border:1px solid var(--line-2);
  border-radius:var(--r-input);padding:10px 12px;
}
.form-msg[hidden]{display:none}

/* ============ 页脚 ============ */
.site-foot{background:#04070D;border-top:1px solid var(--line);padding:64px 0 26px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.foot-brand p{color:var(--tx-2);font-size:14px;line-height:1.85;margin:16px 0 18px;max-width:350px}
.foot-contact{display:grid;gap:8px;font-size:13px;color:var(--tx-3)}
.foot-contact i{color:var(--brand);margin-right:8px;font-size:12px}
.foot-col h4{font-size:14px;font-weight:600;color:var(--tx-1);margin-bottom:16px;letter-spacing:.02em}
.foot-col ul{display:grid;gap:10px}
.foot-col a{font-size:14px;color:var(--tx-2)}
.foot-col a:hover{color:var(--brand)}
.foot-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:46px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--tx-3);
}

/* ============ 响应式 ============ */
@media (max-width:1099px){
  .dock-nav{display:none}
  .dock-burger{display:flex}
  .dock-actions{margin-left:auto}
  .side-card{position:static;top:auto}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .cta-card{padding:34px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767px){
  .page-hero{padding:26px 0 34px}
  .page-sub{font-size:15px}
  .row-item{grid-template-columns:52px 1fr 32px;gap:14px;padding:18px 12px}
  .row-num{font-size:16px}
  .row-arrow{width:30px;height:30px;font-size:12px}
  .timeline::before{left:21px}
  .tl-item{grid-template-columns:44px 1fr;gap:16px;padding-bottom:26px}
  .tl-num{width:44px;height:44px;font-size:13px}
  .tl-body h3{font-size:17px}
  .tl-body p{font-size:14.5px}
}
@media (max-width:639px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .site-header{top:10px;padding:0 12px}
  .dock{padding:8px 10px 8px 12px;gap:10px;border-radius:18px}
  .dock-logo{font-size:14px}
  .mark{width:28px;height:28px;font-size:14px;border-radius:9px}
  .dock-actions .btn-sm{display:none}
  .btn{width:100%;padding:13px 20px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .page-title{font-size:24px}
  .section-title{font-size:22px}
  .cta-card{padding:26px 20px;border-radius:20px}
  .stat{padding:20px 18px}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .foot-bottom{flex-direction:column;gap:6px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a{padding:0 18px 16px;font-size:14.5px}
}
@media (max-width:480px){
  .page-title{font-size:22px;line-height:1.28}
  .hero-note{font-size:12px}
  .row-main h3{font-size:16px}
  .stat b{font-size:28px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    transition-duration:.001ms !important;
    animation-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .media:hover img{transform:none}
  .stat:hover{transform:none}
  .tl-item:hover .tl-num{transform:none}
  .row-item:hover .row-arrow{transform:none}
}

/* roulang page: category4 */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111A2B;
  --brand:#1FE0A8;
  --brand-deep:#0FA87C;
  --brand-soft:rgba(31,224,168,.12);
  --accent:#FF5A3C;
  --tx-1:#E9F1FA;
  --tx-2:#93A3B8;
  --tx-3:#5E6E85;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(31,224,168,.32);
  --glass:rgba(255,255,255,.045);
  --r-card:18px;
  --r-img:16px;
  --r-dock:22px;
  --r-input:12px;
  --shadow-1:0 8px 28px rgba(0,0,0,.35);
  --shadow-2:0 16px 44px rgba(0,0,0,.45);
  --glow:0 0 22px rgba(31,224,168,.35);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:0;
  background:var(--bg-0);
  color:var(--tx-1);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 0%,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 0%,rgba(0,0,0,.9),transparent 78%);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color 160ms ease,border-color 160ms ease,background 160ms ease}
a:hover{color:#4BF0BE}
h1,h2,h3,h4,h5,h6{margin:0 0 .6em;color:var(--tx-1);font-weight:700;line-height:1.3;letter-spacing:0}
p{margin:0 0 1em;color:var(--tx-2)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ---------- Dock 导航 ---------- */
.site-head{
  position:sticky;
  top:0;
  z-index:80;
  padding:16px 0 8px;
  transition:padding 160ms ease;
}
.dock{
  width:min(1120px,calc(100% - 32px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:14px;
  padding:10px 14px;
  border-radius:var(--r-dock);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  transition:background 160ms ease,box-shadow var(--ease),border-color 160ms ease;
}
.site-head.is-scrolled .dock{
  background:rgba(9,15,26,.92);
  border-color:rgba(255,255,255,.12);
  box-shadow:var(--shadow-2);
}
.dock-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--tx-1);
  font-weight:700;
  font-size:16px;
  letter-spacing:.01em;
  white-space:nowrap;
  flex:0 0 auto;
}
.dock-logo:hover{color:var(--tx-1)}
.dock-logo .mark{
  width:32px;height:32px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:linear-gradient(150deg,var(--brand),var(--brand-deep));
  color:#04231A;
  font-size:16px;
  font-weight:800;
  box-shadow:var(--glow);
}
.dock-nav{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:auto;
}
.dock-nav a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  border-radius:999px;
  color:var(--tx-2);
  font-size:14px;
  font-weight:500;
  white-space:nowrap;
  transition:color 160ms ease,background 160ms ease,transform var(--ease);
}
.dock-nav a:hover{
  color:var(--tx-1);
  background:rgba(255,255,255,.05);
  transform:translateY(-1px);
}
.dock-nav a.is-active{
  color:var(--brand);
  background:var(--brand-soft);
  box-shadow:inset 0 0 0 1px var(--line-2);
}
.dock-actions{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:6px;
  flex:0 0 auto;
}
.dock-search{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--tx-2);
  cursor:pointer;
  transition:color 160ms ease,border-color 160ms ease,background 160ms ease;
}
.dock-search:hover{color:var(--brand);border-color:var(--line-2);background:var(--brand-soft)}
.dock-burger{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--tx-1);
  cursor:pointer;
  font-size:16px;
}
.dock-burger:hover{border-color:var(--line-2);color:var(--brand)}
.dock-drawer{
  display:none;
  width:min(1120px,calc(100% - 32px));
  margin:10px auto 0;
  padding:12px;
  border-radius:var(--r-dock);
  background:rgba(11,18,32,.97);
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
}
.dock-drawer.is-open{display:block;animation:drawerIn 220ms ease both}
@keyframes drawerIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.dock-drawer a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:12px;
  color:var(--tx-2);
  font-size:15px;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.dock-drawer a:last-of-type{border-bottom:0}
.dock-drawer a.is-active{color:var(--brand);background:var(--brand-soft)}
.dock-drawer .btn{width:100%;margin-top:10px;border-bottom:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background 160ms ease,color 160ms ease,border-color 160ms ease;
}
.btn-primary{
  background:var(--brand);
  color:#04231A;
  box-shadow:var(--glow);
}
.btn-primary:hover{
  background:#41EDBA;
  color:#04231A;
  transform:translateY(-2px);
  box-shadow:0 0 34px rgba(31,224,168,.5);
}
.btn-ghost{
  border-color:var(--line-2);
  color:var(--tx-1);
  background:rgba(255,255,255,.02);
}
.btn-ghost:hover{
  border-color:var(--brand);
  color:var(--brand);
  background:var(--brand-soft);
  transform:translateY(-2px);
}
.btn-sm{padding:9px 18px;font-size:14px}

/* ---------- 通用区块 ---------- */
.section{
  padding:96px 0;
  position:relative;
}
.section-tight{padding:72px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  margin-bottom:16px;
}
.eyebrow.is-accent{background:rgba(255,90,60,.12);color:#FF8A72}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head h2{
  font-size:clamp(24px,3vw,36px);
  font-weight:700;
  line-height:1.3;
  margin:0 0 14px;
}
.sec-head p{font-size:16px;color:var(--tx-2);margin:0}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--tx-2);
  margin-bottom:22px;
}
.crumbs a{color:var(--tx-2)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--brand);opacity:.8}
.crumbs .current{color:var(--tx-2)}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:36px 0 64px;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  top:-220px;right:-80px;
  width:620px;height:620px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,168,.10),transparent 68%);
  pointer-events:none;
}
.hero-grid{row-gap:32px}
.page-hero h1{
  font-size:clamp(30px,4.4vw,50px);
  font-weight:800;
  line-height:1.16;
  letter-spacing:-.02em;
  margin:14px 0 16px;
}
.page-hero .hero-sub{
  font-size:17px;
  color:var(--tx-2);
  max-width:560px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-media{
  position:relative;
  margin:0;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  background:var(--bg-2);
}
.hero-media img{
  width:100%;
  height:262px;
  object-fit:cover;
  transition:transform var(--ease);
}
.hero-media:hover img{transform:scale(1.04)}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,10,18,0) 42%,rgba(6,10,18,.75));
  pointer-events:none;
}
.hero-float{
  position:absolute;
  left:16px;
  bottom:16px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  font-size:12px;
  color:var(--tx-1);
  letter-spacing:.03em;
}
.hero-float i{color:var(--brand)}

/* ---------- 对比表 ---------- */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--bg-2);
  box-shadow:var(--shadow-1);
  -webkit-overflow-scrolling:touch;
}
.cmp-table{
  width:100%;
  min-width:760px;
  border-collapse:collapse;
  font-size:15px;
}
.cmp-table thead th{
  background:rgba(31,224,168,.09);
  color:var(--brand);
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  text-align:left;
  padding:16px 20px;
  border-bottom:1px solid var(--line-2);
  white-space:nowrap;
}
.cmp-table thead th:first-child{
  color:var(--tx-2);
  background:rgba(255,255,255,.03);
  border-bottom-color:var(--line);
}
.cmp-table thead th.is-feature{
  background:rgba(31,224,168,.16);
  box-shadow:inset 0 3px 0 var(--brand);
}
.cmp-table tbody th{
  width:150px;
  padding:15px 20px;
  text-align:left;
  font-weight:500;
  font-size:14px;
  color:var(--tx-2);
  background:rgba(255,255,255,.02);
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.cmp-table td{
  padding:15px 20px;
  color:var(--tx-2);
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.cmp-table td.is-feature{background:rgba(31,224,168,.05);color:var(--tx-1)}
.cmp-table tbody tr:nth-child(even) td{background:rgba(255,255,255,.015)}
.cmp-table tbody tr:nth-child(even) td.is-feature{background:rgba(31,224,168,.07)}
.cmp-table tbody tr:hover td{background:rgba(31,224,168,.06);color:var(--tx-1)}
.cmp-table tbody tr:last-child th,.cmp-table tbody tr:last-child td{border-bottom:0}
.table-note{
  display:flex;
  align-items:center;
  gap:8px;
  margin-top:16px;
  font-size:13px;
  color:var(--tx-3);
}
.table-note i{color:var(--brand)}

/* ---------- 双栏清单 ---------- */
.split-col + .split-col{margin-top:0}
.list-card{
  height:100%;
  padding:32px;
  border-radius:var(--r-card);
  background:var(--bg-2);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:box-shadow var(--ease),border-color 160ms ease,transform var(--ease);
}
.list-card:hover{
  transform:translateY(-2px);
  border-color:var(--line-2);
  box-shadow:var(--shadow-2);
}
.list-card h2,.list-card h3{
  font-size:20px;
  font-weight:700;
  margin:0 0 6px;
  display:flex;
  align-items:center;
  gap:10px;
}
.list-card h2 i,.list-card h3 i{color:var(--brand);font-size:17px}
.list-card .list-hint{
  font-size:13px;
  color:var(--tx-3);
  margin:0 0 22px;
  letter-spacing:.02em;
}
.check-list li{
  position:relative;
  padding:11px 0 11px 22px;
  font-size:15px;
  color:var(--tx-2);
  border-bottom:1px dashed rgba(255,255,255,.07);
  transition:color 160ms ease;
}
.check-list li:last-child{border-bottom:0}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:22px;
  width:9px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transition:width 160ms ease;
}
.check-list li:hover{color:var(--tx-1)}
.check-list li:hover::before{width:14px}

/* ---------- 办理流程 ---------- */
.flow-grid{row-gap:32px}
.flow-media{
  margin:0;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  background:var(--bg-2);
}
.flow-media img{
  width:100%;
  height:100%;
  min-height:320px;
  object-fit:cover;
  transition:transform var(--ease);
}
.flow-media:hover img{transform:scale(1.04)}
.steps{display:flex;flex-direction:column;gap:4px}
.step{
  display:flex;
  gap:18px;
  padding:18px 0;
  border-bottom:1px solid var(--line);
  transition:background 160ms ease,padding-left var(--ease);
  border-radius:12px;
}
.step:last-child{border-bottom:0}
.step:hover{padding-left:8px;background:rgba(255,255,255,.02)}
.step-no{
  flex:0 0 auto;
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line-2);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step-body h3{font-size:17px;font-weight:600;margin:0 0 4px}
.step-body p{margin:0;font-size:14.5px;color:var(--tx-2)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  overflow:hidden;
  transition:border-color 160ms ease,box-shadow var(--ease);
}
.faq-item:hover{border-color:rgba(255,255,255,.16)}
.faq-item.is-open{border-color:var(--line-2);box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  background:transparent;
  border:0;
  text-align:left;
  color:var(--tx-1);
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  transition:color 160ms ease;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex:0 0 auto;
  width:28px;height:28px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--tx-2);
  font-size:16px;
  font-weight:400;
  line-height:1;
  transition:transform var(--ease),color 160ms ease,border-color 160ms ease,background 160ms ease;
}
.faq-item.is-open .faq-icon{
  transform:rotate(45deg);
  color:var(--brand);
  border-color:var(--line-2);
  background:var(--brand-soft);
}
.faq-a{display:none;padding:0 24px 22px;max-width:760px}
.faq-item.is-open .faq-a{display:block}
.faq-a p{margin:0;font-size:15px;line-height:1.8;color:var(--tx-2)}

/* ---------- CTA 卡 ---------- */
.cta-card{
  position:relative;
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:32px;
  align-items:center;
  padding:44px;
  border-radius:var(--r-card);
  background:linear-gradient(140deg,rgba(31,224,168,.10),rgba(255,255,255,.03) 55%,rgba(17,26,43,.9));
  border:1px solid var(--line-2);
  box-shadow:var(--shadow-2);
  overflow:hidden;
}
.cta-card::before{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,168,.16),transparent 70%);
  pointer-events:none;
}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin:0 0 12px;line-height:1.35}
.cta-card p{margin:0;color:var(--tx-2);font-size:15px;max-width:560px}
.cta-side{display:flex;flex-direction:column;gap:12px;justify-self:end;width:100%;max-width:320px}
.cta-side .btn{width:100%}
.cta-side .cta-tip{font-size:13px;color:var(--tx-3);text-align:center;letter-spacing:.02em}

/* ---------- 页脚 ---------- */
.site-foot{
  background:#04070D;
  border-top:1px solid var(--line);
  padding:64px 0 0;
  position:relative;
  z-index:1;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.foot-brand .dock-logo{margin-bottom:16px}
.foot-brand p{font-size:14px;color:var(--tx-2);max-width:340px;line-height:1.85}
.foot-contact{display:flex;flex-direction:column;gap:8px;margin-top:18px}
.foot-contact span{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--tx-3);
}
.foot-contact i{color:var(--brand);font-size:12px}
.foot-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--tx-1);
  letter-spacing:.04em;
  margin:0 0 16px;
}
.foot-col ul li{margin-bottom:10px}
.foot-col ul li a{
  font-size:14px;
  color:var(--tx-2);
  display:inline-block;
  transition:color 160ms ease,transform var(--ease);
}
.foot-col ul li a:hover{color:var(--brand);transform:translateX(3px)}
.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:22px 0;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--tx-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1099px){
  .dock-nav{display:none}
  .dock-burger{display:inline-flex}
  .dock-actions{margin-left:auto}
  .dock-actions .btn-sm{display:none}
  .dock-search{display:none}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .page-hero{padding:28px 0 48px}
  .cta-card{grid-template-columns:1fr;padding:32px;gap:24px}
  .cta-side{justify-self:start;max-width:none}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .foot-brand{grid-column:1 / -1}
  .hero-media img{height:240px}
}
@media (max-width:639px){
  body{font-size:15px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .dock{padding:8px 10px;gap:10px;border-radius:18px}
  .dock-logo{font-size:15px}
  .dock-logo .mark{width:28px;height:28px;font-size:14px;border-radius:9px}
  .page-hero h1{font-size:clamp(26px,7vw,32px)}
  .page-hero .hero-sub{font-size:15px;margin-bottom:20px}
  .hero-actions .btn{width:100%}
  .hero-media img{height:200px}
  .sec-head{margin-bottom:28px}
  .list-card{padding:24px 20px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a{padding:0 18px 18px}
  .step{padding:14px 0;gap:14px}
  .flow-media img{min-height:220px}
  .foot-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:6px}
  .table-note{font-size:12px}
  .cta-card{padding:24px 20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .hero-media:hover img,.flow-media:hover img{transform:none}
  .step:hover{padding-left:0}
  .list-card:hover{transform:none}
  .btn:hover{transform:none}
  .dock-nav a:hover{transform:none}
}

/* roulang page: category5 */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111A2B;
  --brand:#1FE0A8;
  --brand-deep:#0FA87C;
  --brand-soft:rgba(31,224,168,.12);
  --accent:#FF5A3C;
  --tx-1:#E9F1FA;
  --tx-2:#93A3B8;
  --tx-3:#5E6E85;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(31,224,168,.32);
  --glass:rgba(255,255,255,.045);
  --r-card:18px;
  --r-img:16px;
  --shadow:0 8px 28px rgba(0,0,0,.35);
  --shadow-hover:0 16px 44px rgba(0,0,0,.45);
  --sec-pad:96px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-1);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.55;
}
body::after{
  content:"";
  position:fixed;
  top:-180px;
  left:50%;
  transform:translateX(-50%);
  width:min(920px,120vw);
  height:620px;
  pointer-events:none;
  z-index:0;
  background:radial-gradient(circle,rgba(31,224,168,.10),transparent 68%);
}
h1,h2,h3,h4,h5,h6{
  margin:0 0 .5em;
  color:var(--tx-1);
  font-family:inherit;
  font-weight:700;
  line-height:1.3;
  letter-spacing:0;
}
h1{font-size:clamp(30px,4.4vw,54px);font-weight:800;line-height:1.16;letter-spacing:-.02em}
h2{font-size:clamp(24px,3vw,36px)}
h3{font-size:20px;font-weight:600}
h4{font-size:17px;font-weight:600}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:var(--brand);text-decoration:none;transition:color 160ms ease,opacity 160ms ease}
a:hover{color:var(--brand-deep)}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%}
button{font-family:inherit;font-size:inherit}
input,select,textarea{font-family:inherit}
::selection{background:rgba(31,224,168,.28);color:#fff}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.skip{
  position:absolute;
  left:-9999px;
  top:0;
  z-index:200;
  background:var(--brand);
  color:#04231A;
  padding:10px 18px;
  border-radius:0 0 12px 0;
  font-size:14px;
}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- Dock 导航 ---------- */
.site-head{
  position:sticky;
  top:16px;
  z-index:60;
  padding:0 16px;
}
.dock{
  width:min(1120px,100%);
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:10px 14px 10px 16px;
  border-radius:22px;
  border:1px solid var(--line);
  background:rgba(11,18,32,.62);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:0 8px 28px rgba(0,0,0,.32);
  transition:background 220ms ease,box-shadow 220ms ease,border-color 220ms ease;
}
.site-head.is-scrolled .dock{
  background:rgba(8,13,23,.9);
  border-color:rgba(255,255,255,.13);
  box-shadow:0 16px 44px rgba(0,0,0,.5);
}
.dock-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:700;
  color:var(--tx-1);
  letter-spacing:.01em;
  white-space:nowrap;
}
.dock-logo:hover{color:var(--tx-1)}
.dock-logo .mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;
  height:32px;
  border-radius:10px;
  background:linear-gradient(150deg,rgba(31,224,168,.95),rgba(15,168,124,.85));
  color:#04231A;
  font-size:16px;
  font-weight:800;
  box-shadow:0 0 18px rgba(31,224,168,.3);
}
.dock-nav{
  display:flex;
  align-items:center;
  gap:2px;
  flex:1 1 auto;
  justify-content:center;
}
.dock-nav a{
  display:inline-block;
  padding:8px 13px;
  border-radius:999px;
  font-size:14px;
  color:var(--tx-2);
  white-space:nowrap;
  transition:color 160ms ease,background 160ms ease,transform 220ms cubic-bezier(.2,.7,.3,1);
}
.dock-nav a:hover{
  color:var(--tx-1);
  background:rgba(255,255,255,.06);
  transform:translateY(-1px);
}
.dock-nav a.is-active{
  color:var(--brand);
  background:var(--brand-soft);
  box-shadow:inset 0 -2px 0 var(--brand);
}
.dock-side{display:flex;align-items:center;gap:10px}
.dock-ico{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--tx-2);
  font-size:14px;
  transition:color 160ms ease,border-color 160ms ease,background 160ms ease;
}
.dock-ico:hover{color:var(--brand);border-color:var(--line-2);background:var(--brand-soft)}
.dock-burger{
  display:none;
  width:40px;
  height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  cursor:pointer;
  position:relative;
  padding:0;
}
.dock-burger span,
.dock-burger span::before,
.dock-burger span::after{
  position:absolute;
  left:50%;
  width:18px;
  height:2px;
  background:var(--tx-1);
  border-radius:2px;
  transform:translateX(-50%);
  transition:transform 220ms cubic-bezier(.2,.7,.3,1),opacity 160ms ease;
}
.dock-burger span{top:50%;margin-top:-1px}
.dock-burger span::before{content:"";top:-6px;left:0;transform:none}
.dock-burger span::after{content:"";top:6px;left:0;transform:none}
.dock-burger.is-open span{background:transparent}
.dock-burger.is-open span::before{transform:translateY(6px) rotate(45deg)}
.dock-burger.is-open span::after{transform:translateY(-6px) rotate(-45deg)}
.dock-drawer{
  width:min(1120px,100%);
  margin:10px auto 0;
  border-radius:18px;
  border:1px solid var(--line);
  background:rgba(11,18,32,.97);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 16px 44px rgba(0,0,0,.5);
  padding:10px;
  display:none;
}
.dock-drawer.is-open{display:block}
.dock-drawer nav{display:flex;flex-direction:column}
.dock-drawer nav a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:12px;
  color:var(--tx-2);
  font-size:15px;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.dock-drawer nav a:last-child{border-bottom:0}
.dock-drawer nav a:hover{color:var(--tx-1);background:rgba(255,255,255,.05)}
.dock-drawer nav a.is-active{color:var(--brand);background:var(--brand-soft)}
.dock-drawer .btn{margin-top:12px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform 220ms cubic-bezier(.2,.7,.3,1),box-shadow 220ms ease,background 160ms ease,color 160ms ease,border-color 160ms ease;
  text-align:center;
}
.btn-primary{
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:#04231A;
  box-shadow:0 0 22px rgba(31,224,168,.35);
}
.btn-primary:hover{
  color:#04231A;
  box-shadow:0 0 34px rgba(31,224,168,.5);
  transform:translateY(-2px);
}
.btn-ghost{
  background:transparent;
  color:var(--tx-1);
  border-color:rgba(255,255,255,.18);
}
.btn-ghost:hover{
  color:var(--brand);
  border-color:var(--line-2);
  background:var(--brand-soft);
  transform:translateY(-2px);
}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--tx-3);
  margin-bottom:26px;
}
.crumb a{color:var(--tx-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--brand);opacity:.85}
.crumb .cur{color:var(--tx-2)}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;
  z-index:1;
  padding:34px 0 56px;
}
.hero-row{align-items:center}
.hero-copy .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  letter-spacing:.06em;
  margin-bottom:18px;
}
.hero-copy h1{margin-bottom:18px}
.hero-copy h1 .hl{color:var(--brand)}
.hero-lede{
  font-size:17px;
  line-height:1.8;
  color:var(--tx-2);
  max-width:600px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-fig{
  position:relative;
  margin:0;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  height:280px;
}
.hero-fig img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1)}
.hero-fig:hover img{transform:scale(1.04)}
.hero-fig figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:26px 18px 14px;
  font-size:13px;
  color:var(--tx-2);
  background:linear-gradient(to top,rgba(6,10,18,.92),rgba(6,10,18,0));
}
.hero-badge{
  position:absolute;
  top:14px;
  left:14px;
  padding:6px 12px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--tx-1);
  background:rgba(6,10,18,.68);
  border:1px solid var(--line-2);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}

/* ---------- 板块 ---------- */
.sec{
  position:relative;
  z-index:1;
  padding:var(--sec-pad) 0;
}
.sec-alt{background:linear-gradient(180deg,rgba(11,18,32,.85),rgba(6,10,18,0))}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head .kicker{
  display:block;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--brand);
  margin-bottom:12px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.sec-head h2{margin-bottom:14px}
.sec-head p{color:var(--tx-2);font-size:16px}

/* ---------- 编号清单 ---------- */
.rule-list{
  border-top:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
}
.rule-item{
  display:grid;
  grid-template-columns:64px 1fr 32px;
  align-items:center;
  gap:20px;
  padding:22px 20px;
  border-bottom:1px solid var(--line);
  background:rgba(17,26,43,.35);
  transition:background 220ms ease,transform 220ms cubic-bezier(.2,.7,.3,1);
}
.rule-item:hover{background:var(--glass);transform:translateX(2px)}
.rule-num{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:20px;
  font-variant-numeric:tabular-nums;
  color:var(--brand);
  opacity:.6;
  transition:opacity 160ms ease;
}
.rule-item:hover .rule-num{opacity:1}
.rule-body h3{margin-bottom:4px;font-size:17px}
.rule-body p{color:var(--tx-2);font-size:14px;line-height:1.7;margin:0}
.rule-arrow{
  color:var(--tx-3);
  font-size:14px;
  transition:transform 220ms cubic-bezier(.2,.7,.3,1),color 160ms ease;
}
.rule-item:hover .rule-arrow{transform:translateX(4px);color:var(--brand)}

/* ---------- 数据块 ---------- */
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.stat{
  padding:26px 22px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--bg-2);
  box-shadow:var(--shadow);
  transition:transform 220ms cubic-bezier(.2,.7,.3,1),box-shadow 220ms ease,border-color 160ms ease;
}
.stat:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--line-2)}
.stat-num{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:clamp(34px,4vw,52px);
  font-weight:700;
  line-height:1.05;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  display:flex;
  align-items:baseline;
  gap:6px;
  margin-bottom:12px;
}
.stat-num span{font-size:14px;font-weight:500;color:var(--tx-2);letter-spacing:.02em}
.stat-label{font-size:14px;color:var(--tx-2);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  overflow:hidden;
  transition:border-color 160ms ease,background 160ms ease;
}
.faq-item:hover{border-color:rgba(255,255,255,.16)}
.faq-item.is-open{border-color:var(--line-2);background:rgba(31,224,168,.06)}
.faq-h{margin:0}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  width:100%;
  padding:20px 22px;
  background:none;
  border:0;
  color:var(--tx-1);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  text-align:left;
  cursor:pointer;
  transition:color 160ms ease;
}
.faq-q:hover{color:var(--brand)}
.faq-ico{
  position:relative;
  flex:0 0 16px;
  width:16px;
  height:16px;
  transition:transform 220ms cubic-bezier(.2,.7,.3,1);
}
.faq-ico::before,
.faq-ico::after{
  content:"";
  position:absolute;
  background:var(--tx-2);
  border-radius:2px;
  transition:background 160ms ease;
}
.faq-ico::before{top:7px;left:0;width:16px;height:2px}
.faq-ico::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-ico{transform:rotate(45deg)}
.faq-item.is-open .faq-ico::before,
.faq-item.is-open .faq-ico::after{background:var(--brand)}
.faq-a{
  max-height:0;
  overflow:hidden;
  opacity:0;
  transition:max-height 260ms cubic-bezier(.2,.7,.3,1),opacity 200ms ease;
}
.faq-item.is-open .faq-a{max-height:520px;opacity:1}
.faq-a p{
  padding:0 22px 22px;
  margin:0;
  font-size:15px;
  line-height:1.8;
  color:var(--tx-2);
}

/* ---------- 联系表单 ---------- */
.form-panel{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--bg-2);
  padding:32px;
  box-shadow:var(--shadow);
}
.form-grid{display:grid;gap:18px}
.field label{
  display:block;
  font-size:13px;
  color:var(--tx-2);
  margin-bottom:8px;
  letter-spacing:.02em;
}
.field .req{color:var(--accent);margin-left:2px}
.field input,
.field select,
.field textarea{
  width:100%;
  padding:13px 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--tx-1);
  font-size:15px;
  line-height:1.6;
  transition:border-color 160ms ease,box-shadow 160ms ease,background 160ms ease;
}
.field textarea{min-height:110px;resize:vertical}
.field select{
  appearance:none;
  -webkit-appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--tx-2) 50%),linear-gradient(135deg,var(--tx-2) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
  padding-right:40px;
}
.field input::placeholder,
.field textarea::placeholder{color:var(--tx-3)}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  background:rgba(31,224,168,.05);
  box-shadow:0 0 0 4px rgba(31,224,168,.12);
}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:22px}
.form-note{
  font-size:13px;
  color:var(--tx-3);
  line-height:1.7;
  margin:14px 0 0;
}
.form-feedback{
  display:none;
  margin-top:16px;
  padding:12px 16px;
  border-radius:12px;
  border:1px solid var(--line-2);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:14px;
}
.form-feedback.is-show{display:block}

/* ---------- CTA 卡 ---------- */
.cta-card{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  isolation:isolate;
}
.cta-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  z-index:-2;
}
.cta-card::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:linear-gradient(100deg,rgba(6,10,18,.95),rgba(6,10,18,.74) 58%,rgba(6,10,18,.4));
}
.cta-inner{
  padding:52px 44px;
  max-width:620px;
}
.cta-inner h2{margin-bottom:14px}
.cta-inner p{color:var(--tx-2);margin-bottom:26px}

/* ---------- 页脚 ---------- */
.site-foot{
  position:relative;
  z-index:1;
  background:#04070D;
  border-top:1px solid var(--line);
  padding:64px 0 26px;
  margin-top:24px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
}
.foot-brand p{
  color:var(--tx-2);
  font-size:14px;
  line-height:1.8;
  margin:16px 0 18px;
  max-width:340px;
}
.foot-contact{display:grid;gap:8px;font-size:13px;color:var(--tx-2)}
.foot-contact i{color:var(--brand);margin-right:8px;font-size:12px}
.foot-col h4{
  font-size:14px;
  color:var(--tx-1);
  letter-spacing:.06em;
  margin-bottom:16px;
}
.foot-col ul{display:grid;gap:10px}
.foot-col a{
  color:var(--tx-2);
  font-size:14px;
  transition:color 160ms ease,padding-left 200ms ease;
}
.foot-col a:hover{color:var(--brand);padding-left:4px}
.foot-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:var(--tx-3);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1100px){
  .dock-nav{display:none}
  .dock-burger{display:inline-block}
  .dock-cta{display:none}
}
@media screen and (max-width:1023px){
  :root{--sec-pad:72px}
  .hero-fig{height:240px;margin-top:32px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{padding:42px 32px}
}
@media screen and (max-width:767px){
  .hero-fig{height:210px}
  .rule-item{grid-template-columns:48px 1fr 20px;gap:14px;padding:18px 14px}
  .rule-num{font-size:17px}
  .form-panel{padding:24px 18px}
}
@media screen and (max-width:640px){
  :root{--sec-pad:56px}
  .container{padding-left:18px;padding-right:18px}
  .site-head{top:10px;padding:0 10px}
  .dock{border-radius:18px;padding:8px 10px 8px 12px;gap:10px}
  .dock-logo{font-size:15px}
  .dock-logo .mark{width:28px;height:28px;font-size:14px;border-radius:8px}
  .dock-ico{display:none}
  .hero-lede{font-size:15px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .stat-grid{grid-template-columns:1fr}
  .sec-head{margin-bottom:30px}
  .faq-q{padding:16px 16px;font-size:15px}
  .faq-a p{padding:0 16px 18px;font-size:14.5px}
  .cta-inner{padding:32px 20px}
  .cta-inner .btn{width:100%}
  .form-foot .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;align-items:flex-start;margin-top:32px}
}
@media screen and (max-width:480px){
  h1{font-size:26px}
  .hero-copy .eyebrow{font-size:11px}
  .hero-fig{height:180px}
  .btn{padding:12px 20px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
  .rule-item:hover{transform:none}
  .stat:hover{transform:none}
  .hero-fig:hover img{transform:none}
}