/* roulang page: index */
:root{
  --blue:#2E6BE6;
  --blue-dark:#1E4FBF;
  --blue-light:#EAF2FF;
  --coral:#FF8A4C;
  --coral-dark:#D9631F;
  --coral-light:#FFF0E8;
  --bg:#F5F8FE;
  --surface:#FFFFFF;
  --surface-alt:#EEF4FC;
  --ink:#14213D;
  --ink-2:#5E6C82;
  --ink-3:#8794A8;
  --border:#DCE6F2;
  --success:#1D9A6C;
  --radius-card:16px;
  --radius-hero:24px;
  --radius-btn:10px;
  --shadow:0 10px 30px rgba(20,33,61,.08);
  --shadow-hover:0 16px 40px rgba(20,33,61,.12);
  --container:1200px;
  --section-y:88px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--blue-dark);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--blue);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
svg{display:block;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--section-y) 0;}
.section-tight{padding:56px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:0;
}
.section-head p{
  margin-top:10px;
  font-size:15px;
  color:var(--ink-2);
  max-width:620px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:500;
  color:var(--blue-dark);
  background:var(--blue-light);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--coral);
}

/* ---------- 顶部工具条 ---------- */
.topbar{
  background:var(--surface-alt);
  border-bottom:1px solid var(--border);
  font-size:13px;
  color:var(--ink-2);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:38px;
  gap:16px;
}
.topbar-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.topbar-status .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--success);
  box-shadow:0 0 0 3px rgba(29,154,108,.14);
  flex:0 0 auto;
}
.topbar-links{display:flex;gap:20px;}
.topbar-links a{color:var(--ink-2);}
.topbar-links a:hover{color:var(--blue-dark);}

/* ---------- 卡片化导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:14px 0;
  background:rgba(245,248,254,.92);
  backdrop-filter:saturate(140%) blur(6px);
}
.nav-card{
  display:flex;
  align-items:center;
  gap:18px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow:var(--shadow);
  padding:10px 14px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
}
.brand:hover{color:var(--ink);}
.brand-mark{width:34px;height:34px;flex:0 0 auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:0;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--ink-3);margin-top:3px;}
.nav-list{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 12px;
  border-radius:10px;
  font-size:14px;
  font-weight:500;
  color:var(--ink-2);
  position:relative;
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.nav-link svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.nav-link:hover{background:var(--blue-light);color:var(--blue-dark);}
.nav-link.is-active{
  background:var(--blue-light);
  color:var(--blue-dark);
  font-weight:600;
}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--blue);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid var(--border);
  background:var(--surface);
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);
  position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-nav{
  display:none;
  margin-top:10px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow:var(--shadow);
  padding:14px;
}
.mobile-nav.open{display:block;}
.mobile-nav-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
}
.mobile-nav-grid a{
  display:flex;
  align-items:center;
  gap:9px;
  min-height:48px;
  padding:10px 12px;
  border:1px solid var(--border);
  border-radius:10px;
  font-size:14px;
  font-weight:500;
  color:var(--ink-2);
  background:var(--surface);
}
.mobile-nav-grid a svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.mobile-nav-grid a.is-active{background:var(--blue-light);border-color:#C9DCFB;color:var(--blue-dark);font-weight:600;}
.mobile-nav-foot{
  display:flex;
  gap:18px;
  margin-top:14px;
  padding-top:12px;
  border-top:1px solid var(--border);
  font-size:13px;
}
.mobile-nav-foot a{color:var(--ink-2);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 16px rgba(46,107,230,.24);}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(30,79,191,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(30,79,191,.24);}
.btn-ghost{background:var(--surface);color:var(--blue-dark);border-color:#C9DCFB;}
.btn-ghost:hover{background:var(--blue-light);color:var(--blue-dark);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(46,107,230,.28);
  border-radius:var(--radius-btn);
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--blue-dark);
}
.text-link svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease;}
.text-link:hover svg{transform:translateX(3px);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:76px 0 84px;
  overflow:hidden;
  background:
    radial-gradient(520px 320px at 88% 8%,rgba(46,107,230,.10),transparent 70%),
    radial-gradient(420px 280px at 4% 92%,rgba(255,138,76,.10),transparent 72%),
    var(--bg);
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(20,33,61,.032) 1px,transparent 1px),linear-gradient(90deg,rgba(20,33,61,.032) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(circle at 50% 30%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 20%,transparent 78%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{align-items:center;}
.hero-copy{padding-right:8px;}
.hero h1{
  font-size:50px;
  line-height:1.15;
  font-weight:700;
  letter-spacing:0;
  margin:14px 0 20px;
  max-width:15em;
}
.hero h1 .accent{color:var(--blue-dark);}
.hero-sub{
  font-size:17px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:30em;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:30px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:28px;
}
.hero-tags li{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13px;
  font-weight:500;
  color:var(--ink-2);
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:999px;
  padding:6px 14px;
}
.hero-tags li::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--blue);
  opacity:.7;
}
.hero-visual{position:relative;padding-left:16px;}
.hero-figure{
  position:relative;
  border-radius:var(--radius-hero);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:0 20px 46px rgba(20,33,61,.14);
  background:var(--surface-alt);
  aspect-ratio:4/3;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,33,61,0) 45%,rgba(20,33,61,.42) 100%);
}
.hero-figure figcaption{
  position:absolute;
  left:20px;right:20px;bottom:18px;
  z-index:2;
  color:#fff;
  font-size:14px;
  line-height:1.6;
  letter-spacing:0;
}
.hero-float{
  position:absolute;
  left:-14px;
  bottom:36px;
  z-index:3;
  display:flex;
  align-items:center;
  gap:12px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:14px;
  box-shadow:var(--shadow-hover);
  padding:14px 18px;
}
.hero-float-num{
  font-size:30px;
  font-weight:700;
  line-height:1;
  color:var(--blue-dark);
  font-variant-numeric:tabular-nums;
}
.hero-float-label{
  font-size:12.5px;
  color:var(--ink-2);
  line-height:1.5;
  max-width:9em;
}

/* ---------- 痛点提问 ---------- */
.ask-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.ask-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  padding:26px 26px 24px;
  display:flex;
  gap:18px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.ask-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C9DCFB;}
.ask-num{
  flex:0 0 auto;
  width:40px;height:40px;
  border-radius:12px;
  background:var(--blue-light);
  color:var(--blue-dark);
  font-weight:700;
  font-size:15px;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.ask-card h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.ask-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75;}

/* ---------- 方案卡片 ---------- */
.plan-grid{
  display:grid;
  grid-template-columns:1.32fr 1fr;
  gap:22px;
}
.plan-wide{
  grid-row:span 2;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.plan-wide:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C9DCFB;}
.plan-wide-media{aspect-ratio:16/9;overflow:hidden;background:var(--surface-alt);}
.plan-wide-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.plan-wide:hover .plan-wide-media img{transform:scale(1.03);}
.plan-wide-body{padding:28px;display:flex;flex-direction:column;gap:14px;flex:1;}
.plan-narrow{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  padding:26px;
  display:flex;
  flex-direction:column;
  gap:12px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.plan-narrow:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C9DCFB;}
.plan-icon{
  width:46px;height:46px;
  border-radius:14px;
  background:var(--blue-light);
  display:flex;align-items:center;justify-content:center;
}
.plan-icon svg{width:22px;height:22px;stroke:var(--blue-dark);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.plan-icon.coral{background:var(--coral-light);}
.plan-icon.coral svg{stroke:var(--coral-dark);}
.plan-grid h3{font-size:21px;font-weight:600;line-height:1.45;}
.plan-grid p{font-size:15px;color:var(--ink-2);line-height:1.8;}

/* ---------- 数据带 ---------- */
.stats-band{
  background:var(--blue-light);
  border:1px solid #D6E5FB;
  border-radius:20px;
  padding:36px 28px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.stat-item{text-align:left;padding-left:20px;border-left:2px solid rgba(46,107,230,.24);}
.stat-item:first-child{border-left:none;padding-left:0;}
.stat-num{
  font-size:38px;
  font-weight:700;
  line-height:1.1;
  color:var(--blue-dark);
  font-variant-numeric:tabular-nums;
  letter-spacing:0;
}
.stat-num small{font-size:16px;font-weight:600;margin-left:3px;}
.stat-label{margin-top:8px;font-size:14px;font-weight:600;color:var(--ink);}
.stat-note{margin-top:4px;font-size:13px;color:var(--ink-2);line-height:1.6;}

/* ---------- 行动带 ---------- */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:20px;
  box-shadow:var(--shadow);
  padding:30px 34px;
  margin-top:26px;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:var(--coral);
}
.cta-band-text h3{font-size:19px;font-weight:600;margin-bottom:6px;}
.cta-band-text p{font-size:14.5px;color:var(--ink-2);max-width:56em;}

/* ---------- 最新信息 ---------- */
.post-card{
  height:100%;
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C9DCFB;}
.post-thumb{
  display:block;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--surface-alt);
}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--blue-light);
  color:var(--blue-dark);
  font-size:12.5px;
  font-weight:500;
}
.badge-coral{background:var(--coral-light);color:var(--coral-dark);}
.post-time{font-size:13px;color:var(--ink-3);}
.post-title{
  font-size:17px;
  font-weight:600;
  line-height:1.55;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-title a{color:var(--ink);}
.post-title a:hover{color:var(--blue-dark);}
.post-excerpt{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-body .text-link{margin-top:auto;padding-top:4px;}
.empty-state{
  background:var(--surface);
  border:1px dashed #C9DCFB;
  border-radius:var(--radius-card);
  padding:48px 24px;
  text-align:center;
}
.empty-state svg{width:44px;height:44px;margin:0 auto 14px;stroke:var(--ink-3);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.empty-state h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.empty-state p{font-size:14px;color:var(--ink-2);margin-bottom:14px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-list{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--border);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
  position:relative;
  transition:background-color .18s ease,color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--blue-light);color:var(--blue-dark);}
.faq-item summary::after{
  content:"";
  flex:0 0 auto;
  width:14px;height:14px;
  margin-top:6px;
  background:
    linear-gradient(var(--ink-2),var(--ink-2)) center/14px 2px no-repeat,
    linear-gradient(var(--ink-2),var(--ink-2)) center/2px 14px no-repeat;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{
  background:linear-gradient(var(--blue-dark),var(--blue-dark)) center/14px 2px no-repeat;
}
.faq-item[open] summary{color:var(--blue-dark);background:var(--blue-light);}
.faq-item[open] summary::before{
  content:"";
  position:absolute;
  left:0;top:16px;bottom:16px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--blue);
}
.faq-answer{
  padding:0 24px 20px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--ink-2);
}

/* ---------- 弹层表单 ---------- */
.modal-mask{
  position:fixed;
  inset:0;
  background:rgba(20,33,61,.42);
  display:none;
  align-items:center;
  justify-content:center;
  padding:24px;
  z-index:200;
}
.modal-mask.open{display:flex;}
.modal-box{
  width:100%;
  max-width:560px;
  background:var(--surface);
  border-radius:20px;
  box-shadow:0 30px 70px rgba(20,33,61,.28);
  padding:28px 30px 30px;
  position:relative;
  max-height:88vh;
  overflow-y:auto;
  animation:modalIn .22s ease;
}
@keyframes modalIn{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}
.modal-close{
  position:absolute;
  top:14px;right:14px;
  width:40px;height:40px;
  border-radius:10px;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--ink-2);
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;
  line-height:1;
  transition:background-color .18s ease,color .18s ease;
}
.modal-close:hover{background:var(--blue-light);color:var(--blue-dark);}
.modal-box h3{font-size:22px;font-weight:700;margin-bottom:6px;}
.modal-box .modal-sub{font-size:14px;color:var(--ink-2);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  margin-bottom:7px;
  color:var(--ink);
}
.field .req{color:var(--coral-dark);margin-left:2px;}
.field input[type="text"],
.field select,
.field textarea{
  width:100%;
  min-height:46px;
  border:1px solid var(--border);
  border-radius:10px;
  background:var(--surface);
  padding:11px 14px;
  font-size:15px;
  font-family:inherit;
  color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--blue);
  box-shadow:0 0 0 3px rgba(46,107,230,.16);
  outline:none;
}
.check-row{
  display:flex;
  align-items:flex-start;
  gap:9px;
  font-size:13px;
  color:var(--ink-2);
  line-height:1.7;
  margin:4px 0 18px;
}
.check-row input{margin-top:3px;width:16px;height:16px;accent-color:var(--blue);flex:0 0 auto;}
.privacy-note{
  font-size:12.5px;
  color:var(--ink-3);
  line-height:1.7;
  margin-top:12px;
}
.privacy-note a{color:var(--blue-dark);text-decoration:underline;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:#C7D3E6;
  margin-top:88px;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:14px;
}
.footer-brand svg{width:32px;height:32px;flex:0 0 auto;}
.footer-desc{font-size:13.5px;line-height:1.85;color:#9FB0C9;max-width:24em;}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#9FB0C9;transition:color .18s ease;}
.footer-col a:hover{color:var(--coral);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8496B0;
}
.footer-bottom a{color:#8496B0;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  :root{--section-y:66px;}
  .nav-list{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn-primary{display:none;}
  .hero{padding:56px 0 64px;}
  .hero h1{font-size:40px;}
  .hero-visual{padding-left:0;margin-top:36px;}
  .hero-float{left:12px;bottom:16px;}
  .plan-grid{grid-template-columns:1fr;}
  .plan-wide{grid-row:auto;}
  .stats-band{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:26px;}
  .stat-item:nth-child(3){border-left:none;padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media screen and (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .section-head h2{font-size:26px;}
  .hero h1{font-size:33px;}
  .hero-sub{font-size:15.5px;}
  .hero-tags{gap:8px;}
  .ask-grid{grid-template-columns:1fr;}
  .cta-band{padding:24px 22px;flex-direction:column;align-items:flex-start;}
  .cta-band .btn{width:100%;}
  .faq-item summary{padding:17px 18px;font-size:16px;}
  .faq-answer{padding:0 18px 18px;font-size:15px;}
  .modal-mask{padding:0;align-items:flex-end;}
  .modal-box{
    max-width:none;
    border-radius:20px 20px 0 0;
    padding:24px 20px 26px;
    max-height:88vh;
  }
  .stats-band{padding:26px 20px;}
  .stat-num{font-size:32px;}
  .site-footer{margin-top:56px;padding-top:48px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media screen and (max-width:520px){
  .topbar-links{gap:14px;}
  .topbar-status{font-size:12px;}
  .hero h1{font-size:30px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-float{padding:11px 14px;gap:9px;}
  .hero-float-num{font-size:24px;}
  .mobile-nav-grid{grid-template-columns:1fr;}
  .brand-text em{display:none;}
  .stats-band{grid-template-columns:1fr;}
  .stat-item{border-left:none;padding-left:0;}
  .footer-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .post-body{padding:18px;}
}

/* roulang page: article */
:root{
  --blue:#2E6BE6;
  --blue-dark:#1E4FBF;
  --blue-soft:#EAF2FF;
  --coral:#FF8A4C;
  --coral-soft:#FFF0E8;
  --coral-deep:#C25A22;
  --bg:#F5F8FE;
  --card:#FFFFFF;
  --surface:#EEF4FC;
  --ink:#14213D;
  --ink-2:#5E6C82;
  --ink-3:#8794A8;
  --line:#DCE6F2;
  --ok:#1D9A6C;
  --warn:#E3A008;
  --danger:#D64545;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --sh:0 10px 30px rgba(20,33,61,.08);
  --sh-hover:0 16px 40px rgba(20,33,61,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;height:auto;border-radius:12px;}
a{color:var(--blue-dark);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--blue);}
button{font-family:inherit;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.section{padding:72px 0;}
.section-sm{padding:48px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;color:var(--blue);
  background:var(--blue-soft);border-radius:999px;padding:5px 14px;
  letter-spacing:.2px;
}
.section-title{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:0;}
.section-sub{font-size:15px;color:var(--ink-2);margin-top:10px;max-width:680px;}

/* 顶部工具条 */
.topbar{background:var(--surface);border-bottom:1px solid var(--line);font-size:13px;color:var(--ink-2);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;}
.topbar-status{display:inline-flex;align-items:center;gap:8px;}
.dot-ok{width:7px;height:7px;border-radius:50%;background:var(--ok);display:inline-block;}
.topbar-links{display:inline-flex;gap:18px;}
.topbar-links a{color:var(--ink-2);}
.topbar-links a:hover{color:var(--blue-dark);}

/* 导航 */
.nav-wrap{position:sticky;top:0;z-index:60;padding:14px 0 6px;background:linear-gradient(180deg,rgba(245,248,254,.96) 60%,rgba(245,248,254,0));backdrop-filter:blur(6px);}
.nav-card{
  display:flex;align-items:center;gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh);padding:10px 14px;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{width:38px;height:38px;flex:0 0 auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:0;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--ink-3);letter-spacing:.2px;}
.nav-list{display:flex;align-items:center;gap:6px;flex:1 1 auto;margin:0;}
.nav-list li{list-style:none;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:9px 12px;border-radius:var(--r-sm);
  font-size:14.5px;font-weight:500;color:var(--ink-2);line-height:1.2;
  transition:background-color .18s ease,color .18s ease;
}
.nav-link svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.nav-link:hover{background:var(--blue-soft);color:var(--blue-dark);}
.nav-link.is-active{background:var(--blue-soft);color:var(--blue-dark);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--blue);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);cursor:pointer;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.18s ease;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15.5px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{height:40px;padding:0 16px;font-size:14.5px;}
.btn-block{width:100%;}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(46,107,230,.24);}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(30,79,191,.28);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(30,79,191,.24);}
.btn-ghost{background:#fff;border-color:#C6D8F6;color:var(--blue-dark);}
.btn-ghost:hover{background:var(--blue-soft);border-color:var(--blue);color:var(--blue-dark);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-link{display:inline-flex;align-items:center;gap:6px;background:none;border:0;padding:0;color:var(--blue-dark);font-size:15px;font-weight:600;cursor:pointer;}
.btn-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease;}
.btn-link:hover{color:var(--blue);}
.btn-link:hover svg{transform:translateX(3px);}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(46,107,230,.35);outline-offset:2px;border-radius:var(--r-sm);
}

/* 徽章 */
.badge{display:inline-flex;align-items:center;height:27px;padding:0 12px;border-radius:999px;background:var(--blue-soft);color:var(--blue-dark);font-size:13px;font-weight:500;}
.badge-coral{background:var(--coral-soft);color:var(--coral-deep);}

/* 面包屑 */
.breadcrumb{padding:20px 0 0;font-size:13.5px;color:var(--ink-3);}
.breadcrumb-inner{display:flex;flex-wrap:wrap;align-items:center;gap:9px;}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--blue-dark);}
.breadcrumb .sep{width:4px;height:4px;border-radius:50%;background:#C3D2E6;display:inline-block;}
.breadcrumb .current{color:var(--ink);}

/* 文章头部 */
.article-hero{padding:22px 0 8px;}
.article-hero .meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13.5px;color:var(--ink-2);margin-bottom:16px;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C3D2E6;display:inline-block;}
.article-hero h1{font-size:42px;line-height:1.22;font-weight:700;letter-spacing:0;max-width:940px;}
.article-lead{font-size:17px;color:var(--ink-2);margin-top:16px;max-width:800px;}
.hero-cover{margin-top:28px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh);}
.hero-cover img{width:100%;aspect-ratio:16/7;object-fit:cover;border-radius:0;}

/* 文章主体布局 */
.article-layout{padding:44px 0 16px;}
.article-main{padding-right:12px;}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh);}
.article-panel{padding:36px 38px 40px;}
.article-body{font-size:16px;line-height:1.9;color:#22314F;}
.article-body p{margin:0 0 19px;}
.article-body h2{font-size:27px;line-height:1.35;font-weight:700;color:var(--ink);margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--blue);}
.article-body h3{font-size:21px;line-height:1.4;font-weight:600;color:var(--ink);margin:28px 0 12px;}
.article-body h4{font-size:18px;font-weight:600;margin:22px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0;}
.article-body ul li,.article-body ol li{position:relative;padding-left:20px;margin-bottom:9px;line-height:1.8;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--blue);}
.article-body ol{counter-reset:num;}
.article-body ol li{counter-increment:num;padding-left:26px;}
.article-body ol li::before{content:counter(num);position:absolute;left:0;top:3px;width:19px;height:19px;border-radius:6px;background:var(--blue-soft);color:var(--blue-dark);font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center;}
.article-body blockquote{margin:24px 0;padding:18px 22px;background:var(--blue-soft);border-left:4px solid var(--blue);border-radius:0 var(--r-sm) var(--r-sm) 0;color:#25365A;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:20px 0;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);margin-top:8px;text-align:center;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:8px 0;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body th{background:var(--surface);color:var(--ink);font-weight:600;}
.table-scroll{overflow-x:auto;margin:22px 0;border-radius:var(--r-sm);}
.article-body a{color:var(--blue-dark);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--blue);}

/* 空态 */
.empty-state{text-align:center;padding:56px 24px;}
.empty-state svg{width:44px;height:44px;stroke:var(--blue);fill:none;stroke-width:1.6;margin:0 auto 14px;stroke-linecap:round;stroke-linejoin:round;}
.empty-state h2{font-size:20px;margin-bottom:8px;}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:18px;}

/* 侧栏 */
.sidebar{position:sticky;top:96px;}
.side-card{padding:24px;margin-bottom:20px;}
.side-card h3{font-size:16px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--blue);}
.toc-list li{margin-bottom:2px;}
.toc-list a{display:block;padding:9px 12px;border-radius:var(--r-sm);font-size:14.5px;color:var(--ink-2);border:1px solid transparent;}
.toc-list a:hover{background:var(--blue-soft);color:var(--blue-dark);border-color:#CFE0FA;}
.side-links li + li{margin-top:10px;}
.side-link-card{
  display:flex;align-items:center;gap:11px;padding:11px 12px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#FBFDFF;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.side-link-card:hover{border-color:#B6CFF6;box-shadow:0 8px 20px rgba(20,33,61,.08);transform:translateY(-2px);}
.side-link-card svg{width:18px;height:18px;stroke:var(--blue);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto;}
.side-link-card span{font-size:14.5px;font-weight:500;color:var(--ink);line-height:1.4;}
.side-link-card em{display:block;font-style:normal;font-size:12.5px;color:var(--ink-3);font-weight:400;}
.side-actions{display:flex;flex-direction:column;gap:10px;}
.side-note{font-size:12.5px;color:var(--ink-3);line-height:1.7;margin-top:12px;}

/* 文末 */
.article-foot{padding:6px 0 0;}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line);}
.article-cta{
  margin-top:26px;padding:24px 26px;border-radius:var(--r-md);
  background:var(--blue-soft);border:1px solid #CFE0FA;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.article-cta p{font-size:15px;color:#25365A;max-width:520px;}
.article-cta strong{display:block;font-size:17px;color:var(--ink);margin-bottom:4px;}
.foot-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}

/* CTA 带 */
.cta-band{
  background:linear-gradient(180deg,#FFFFFF 0%,#F4F8FF 100%);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);
  padding:34px 38px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}
.cta-band h2{font-size:24px;font-weight:700;margin-bottom:6px;}
.cta-band p{font-size:15px;color:var(--ink-2);max-width:560px;}

/* FAQ */
.faq-wrap{max-width:840px;margin:0 auto;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh);margin-bottom:12px;overflow:hidden;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:19px 22px;font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--blue-soft);color:var(--blue-dark);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:600;transition:background-color .18s ease,color .18s ease;
}
.faq-item[open] summary::after{content:"−";background:var(--blue);color:#fff;}
.faq-item[open] summary{color:var(--blue-dark);}
.faq-answer{padding:0 22px 19px;font-size:15px;color:var(--ink-2);line-height:1.85;}
.faq-answer p + p{margin-top:10px;}

/* 页脚 */
.site-footer{background:#101C33;color:#C6D3E6;margin-top:64px;padding:58px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.footer-brand svg{width:36px;height:36px;}
.footer-brand span{font-size:17px;font-weight:700;color:#fff;}
.footer-desc{font-size:14px;line-height:1.85;color:#9FB0CA;max-width:320px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-col li{margin-bottom:9px;}
.footer-col a{font-size:14px;color:#9FB0CA;}
.footer-col a:hover{color:var(--coral);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#8B9CB8;
}
.footer-bottom a{color:#9FB0CA;}
.footer-bottom a:hover{color:var(--coral);}

/* 弹层 */
.modal-mask{
  position:fixed;inset:0;background:rgba(20,33,61,.42);z-index:120;
  display:none;align-items:center;justify-content:center;padding:24px;
}
.modal-mask.is-open{display:flex;}
.modal-card{
  width:100%;max-width:560px;background:#fff;border-radius:20px;box-shadow:0 28px 70px rgba(16,28,51,.32);
  padding:28px 30px 30px;position:relative;max-height:88vh;overflow:auto;
}
.modal-card h2{font-size:21px;font-weight:700;margin-bottom:6px;}
.modal-card > p{font-size:14px;color:var(--ink-2);margin-bottom:18px;}
.modal-close{
  position:absolute;top:14px;right:14px;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);font-size:20px;line-height:1;cursor:pointer;
}
.modal-close:hover{background:var(--surface);color:var(--ink);}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13.5px;font-weight:500;color:var(--ink);margin-bottom:6px;}
.field .req{color:var(--danger);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;min-height:46px;padding:11px 13px;border:1px solid #D5E1F0;border-radius:var(--r-sm);
  background:#fff;font-size:15px;color:var(--ink);font-family:inherit;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:92px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#A6B3C6;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(46,107,230,.16);}
.check-row{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:var(--ink-2);line-height:1.7;margin:6px 0 16px;}
.check-row input{width:16px;height:16px;min-height:0;margin-top:3px;flex:0 0 auto;}
.privacy-note{font-size:12.5px;color:var(--ink-3);line-height:1.75;margin-top:12px;}

@media (max-width:1024px){
  .article-hero h1{font-size:34px;}
  .article-main{padding-right:0;}
  .sidebar{position:static;margin-top:28px;}
  .article-panel{padding:28px 24px 30px;}
  .nav-card{gap:10px;flex-wrap:wrap;}
  .nav-list{
    display:none;order:4;width:100%;flex-wrap:wrap;
    padding-top:10px;margin-top:6px;border-top:1px solid var(--line);
  }
  .nav-list.is-open{display:flex;}
  .nav-list li{width:calc(50% - 3px);}
  .nav-link{width:100%;padding:12px;min-height:48px;}
  .nav-toggle{display:block;}
  .nav-actions{margin-left:auto;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:56px 0;}
  .article-hero h1{font-size:32px;}
}
@media (max-width:768px){
  .topbar-inner{height:auto;padding:7px 0;flex-wrap:wrap;gap:6px;}
  .topbar-links{gap:14px;}
  .cta-band{padding:26px 22px;}
  .cta-band h2{font-size:21px;}
  .article-hero h1{font-size:30px;line-height:1.3;}
  .article-lead{font-size:15.5px;}
  .hero-cover img{aspect-ratio:4/3;}
  .article-body h2{font-size:23px;}
  .article-body h3{font-size:19px;}
  .article-cta{padding:20px;}
  .modal-mask{padding:0;align-items:flex-end;}
  .modal-card{max-width:100%;border-radius:20px 20px 0 0;max-height:88vh;padding:24px 20px 26px;}
  .section{padding:46px 0;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .brand-text em{display:none;}
  .brand-text strong{font-size:15px;}
  .nav-actions .btn-sm{padding:0 13px;font-size:13.5px;height:40px;}
  .btn{height:46px;font-size:15px;}
  .btn-block-mobile{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .article-hero h1{font-size:27px;}
  .article-body{font-size:15.5px;}
  .foot-buttons .btn{width:100%;}
  .article-panel{padding:24px 18px 26px;}
  .side-card{padding:20px;}
}

/* roulang page: category1 */
:root{
  --blue:#2E6BE6;
  --blue-dark:#1E4FBF;
  --blue-soft:#EAF2FF;
  --coral:#FF8A4C;
  --coral-soft:#FFF0E8;
  --coral-deep:#C95A1E;
  --bg:#F5F8FE;
  --surface:#FFFFFF;
  --surface-2:#EEF4FC;
  --ink:#14213D;
  --ink-2:#5E6C82;
  --ink-3:#8794A8;
  --line:#DCE6F2;
  --ok:#1D9A6C;
  --warn:#E3A008;
  --danger:#D64545;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-card:0 10px 30px rgba(20,33,61,.08);
  --sh-card-hover:0 16px 40px rgba(20,33,61,.12);
  --sh-modal:0 40px 90px rgba(20,33,61,.28);
  --ease:200ms ease;
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;border:0;}
a{color:var(--blue-dark);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--blue);}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--ink);font-weight:700;letter-spacing:0;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:3px solid rgba(46,107,230,.35);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}

/* ===== 顶部工具条 ===== */
.topbar{background:var(--surface-2);border-bottom:1px solid var(--line);}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:38px;font-size:13px;color:var(--ink-2);
}
.topbar-status{display:inline-flex;align-items:center;gap:8px;}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--ok);flex:none;}
.topbar-links{display:flex;align-items:center;gap:18px;}
.topbar-links a{color:var(--ink-2);font-size:13px;}
.topbar-links a:hover{color:var(--blue-dark);}

/* ===== 卡片化导航 ===== */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0 10px;background:linear-gradient(180deg,var(--bg) 72%,rgba(245,248,254,0));}
.nav-card{
  display:flex;align-items:center;gap:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-card);
  padding:10px 14px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{width:36px;height:36px;flex:none;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.2px;}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.3px;}

.nav-list{display:flex;align-items:center;gap:6px;margin:0 auto;}
.nav-list li{flex:none;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:9px 12px;border-radius:var(--r-sm);
  font-size:14px;font-weight:500;color:var(--ink-2);
  background:transparent;transition:background-color var(--ease),color var(--ease);
  white-space:nowrap;
}
.nav-link svg{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.nav-link:hover{background:var(--blue-soft);color:var(--blue-dark);}
.nav-link.is-active{background:var(--blue-soft);color:var(--blue-dark);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;background:var(--blue);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;
  border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  transition:background-color var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease);
  text-align:center;
}
.btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(46,107,230,.24);}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(30,79,191,.28);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(30,79,191,.22);}
.btn-ghost{background:#fff;color:var(--blue-dark);border-color:var(--line);}
.btn-ghost:hover{background:var(--blue-soft);border-color:#BFD5F7;color:var(--blue-dark);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;border-radius:var(--r-sm);}
.btn-block{width:100%;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--blue-dark);
  background:none;border:0;padding:0;
}
.btn-link svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--ease);}
.btn-link:hover{color:var(--blue);}
.btn-link:hover svg{transform:translateX(3px);}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:var(--ink);transform:translateX(-50%);
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{top:-6px;left:0;transform:none;}
.nav-toggle span::after{top:6px;left:0;transform:none;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg);top:0;}
.nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg);top:0;}

/* 移动端导航面板 */
.mobile-nav{
  display:none;margin-top:10px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-card);
  padding:14px;
}
.mobile-nav.is-open{display:block;}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.mobile-link{
  display:flex;align-items:center;gap:10px;
  min-height:48px;padding:8px 12px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;font-size:14px;font-weight:500;color:var(--ink-2);
  transition:background-color var(--ease),border-color var(--ease),color var(--ease);
}
.mobile-link svg{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.mobile-link:hover,.mobile-link.is-active{background:var(--blue-soft);border-color:#BFD5F7;color:var(--blue-dark);}
.mobile-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:12px;padding-top:12px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.mobile-foot a{color:var(--ink-2);font-size:13px;}

/* ===== 面包屑 ===== */
.crumb{padding:6px 0 18px;}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);}
.crumb-list a{color:var(--ink-2);}
.crumb-list a:hover{color:var(--blue-dark);}
.crumb-sep{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block;}
.crumb-current{color:var(--ink);font-weight:600;}

/* ===== Hero ===== */
.hero{padding:6px 0 8px;}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:38px;align-items:start;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--blue-soft);color:var(--blue-dark);
  font-size:13px;font-weight:600;letter-spacing:.2px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--blue);}
.hero h1{
  margin-top:20px;
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.16;
  font-weight:700;
  letter-spacing:-.3px;
}
.hero h1 .hl{
  color:var(--blue-dark);
  background:linear-gradient(180deg,transparent 62%,rgba(255,138,76,.28) 62%);
  padding:0 2px;
}
.hero-lead{
  margin-top:20px;
  font-size:17px;line-height:1.85;color:var(--ink-2);max-width:36em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);font-weight:500;
}
.hero-tag svg{width:15px;height:15px;fill:none;stroke:var(--ok);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}

.hero-visual{position:relative;padding-top:12px;}
.hero-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-card);background:var(--surface-2);
  aspect-ratio:4/3;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,33,61,0) 42%,rgba(20,33,61,.55) 100%);
}
.hero-figure-cap{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;color:#fff;
  font-size:14px;line-height:1.6;
}
.hero-figure-cap strong{display:block;font-size:16px;font-weight:700;margin-bottom:2px;}
.float-card{
  position:absolute;left:-18px;bottom:-22px;z-index:3;
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-card-hover);padding:12px 16px;
  min-width:200px;
}
.float-card .fc-icon{
  width:40px;height:40px;border-radius:12px;background:var(--coral-soft);
  display:flex;align-items:center;justify-content:center;flex:none;
}
.float-card .fc-icon svg{width:20px;height:20px;fill:none;stroke:var(--coral-deep);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.float-card b{display:block;font-size:19px;line-height:1.2;font-variant-numeric:tabular-nums;}
.float-card span{font-size:12px;color:var(--ink-3);}

/* ===== 通用板块 ===== */
.section{padding:76px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-kicker{
  display:inline-block;font-size:13px;font-weight:600;color:var(--blue-dark);
  letter-spacing:1.4px;margin-bottom:12px;text-transform:none;
}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;}
.section-head p{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-2);}

/* ===== 时间线 + 侧栏 ===== */
.intro-grid{display:grid;grid-template-columns:1.55fr .85fr;gap:32px;align-items:start;}

.timeline{position:relative;padding-left:6px;}
.timeline::before{
  content:"";position:absolute;left:23px;top:14px;bottom:26px;width:2px;
  background:linear-gradient(180deg,var(--blue) 0%,#BFD5F7 100%);
  border-radius:2px;
}
.step{
  position:relative;display:grid;grid-template-columns:48px 1fr;gap:20px;
  padding-bottom:22px;
}
.step:last-child{padding-bottom:0;}
.step-num{
  position:relative;z-index:2;
  width:48px;height:48px;border-radius:50%;
  background:#fff;border:2px solid var(--blue);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:var(--blue-dark);
  font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 6px var(--bg);
}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-card);padding:22px 24px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-card-hover);border-color:#BFD5F7;}
.step-card h3{font-size:19px;margin-bottom:10px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.step-card h3 .tag{flex:none;}
.step-card p{font-size:15px;line-height:1.85;color:var(--ink-2);}
.step-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;
  padding-top:14px;border-top:1px dashed var(--line);
}
.step-meta li{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--ink-3);
}
.step-meta svg{width:14px;height:14px;fill:none;stroke:var(--blue);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--blue-soft);color:var(--blue-dark);
  font-size:12px;font-weight:600;letter-spacing:.2px;
}
.tag-coral{background:var(--coral-soft);color:var(--coral-deep);}

/* 右侧摘要卡 */
.aside-card{
  position:sticky;top:104px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-card);overflow:hidden;
}
.aside-head{
  padding:20px 22px;background:var(--blue-soft);border-bottom:1px solid var(--line);
}
.aside-head h3{font-size:18px;}
.aside-head p{margin-top:6px;font-size:13px;color:var(--ink-2);line-height:1.7;}
.aside-body{padding:8px 22px 18px;}
.aside-block{padding:16px 0;border-bottom:1px dashed var(--line);}
.aside-block:last-child{border-bottom:0;}
.aside-block h4{
  display:flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--ink);margin-bottom:10px;
}
.aside-block h4 svg{width:16px;height:16px;fill:none;stroke:var(--blue);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.aside-block ul li{
  position:relative;padding-left:16px;margin-bottom:8px;
  font-size:13.5px;line-height:1.75;color:var(--ink-2);
}
.aside-block ul li:last-child{margin-bottom:0;}
.aside-block ul li::before{
  content:"";position:absolute;left:0;top:9px;
  width:6px;height:6px;border-radius:2px;background:var(--coral);
}
.aside-foot{padding:0 22px 22px;}
.aside-note{margin-top:12px;font-size:12px;color:var(--ink-3);line-height:1.7;text-align:center;}
.aside-note a{color:var(--ink-3);text-decoration:underline;text-underline-offset:2px;}

/* ===== 检查清单 ===== */
.check-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-card);padding:32px;
}
.check-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 26px;
  margin-top:24px;
}
.check-item{
  display:flex;align-items:flex-start;gap:12px;
  padding:14px 16px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:linear-gradient(180deg,#fff 0%,#FBFDFF 100%);
  transition:border-color var(--ease),background-color var(--ease),transform var(--ease);
}
.check-item:hover{border-color:#BFD5F7;background:var(--blue-soft);transform:translateY(-2px);}
.check-box{
  width:22px;height:22px;border-radius:7px;background:var(--blue-soft);flex:none;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.check-box svg{width:13px;height:13px;fill:none;stroke:var(--blue-dark);stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round;}
.check-item p{font-size:14.5px;line-height:1.7;color:var(--ink-2);}
.check-item p strong{display:block;color:var(--ink);font-weight:600;font-size:15px;margin-bottom:2px;}

/* ===== 图片叙事带 ===== */
.story-band{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);padding:0;overflow:hidden;
}
.story-media{position:relative;min-height:320px;background:var(--surface-2);}
.story-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.story-copy{padding:40px 44px 44px 4px;}
.story-copy h2{font-size:clamp(22px,2.6vw,28px);line-height:1.35;}
.story-copy p{margin-top:14px;font-size:15.5px;line-height:1.9;color:var(--ink-2);}
.story-list{margin-top:22px;display:grid;gap:12px;}
.story-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14.5px;line-height:1.75;color:var(--ink-2);
}
.story-list svg{width:18px;height:18px;flex:none;margin-top:3px;fill:none;stroke:var(--ok);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-card);overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:#BFD5F7;box-shadow:var(--sh-card-hover);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--blue);opacity:0;transition:opacity var(--ease);
}
.faq-item[open] summary::before{opacity:1;}
.faq-icon{
  position:relative;width:26px;height:26px;border-radius:50%;flex:none;
  background:var(--blue-soft);transition:background-color var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--blue-dark);
  transform:translate(-50%,-50%);border-radius:2px;transition:transform var(--ease),opacity var(--ease);
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;}
.faq-item[open] .faq-icon{background:#D7E6FF;}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-answer{padding:0 22px 20px;font-size:15.5px;line-height:1.9;color:var(--ink-2);}
.faq-answer p+p{margin-top:10px;}

/* ===== 相关分类入口 ===== */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.related-card{
  display:flex;align-items:center;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-card);padding:18px 20px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  color:var(--ink);
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--sh-card-hover);border-color:#BFD5F7;color:var(--ink);}
.related-icon{
  width:44px;height:44px;border-radius:12px;background:var(--blue-soft);flex:none;
  display:flex;align-items:center;justify-content:center;
}
.related-icon svg{width:21px;height:21px;fill:none;stroke:var(--blue-dark);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.related-card b{display:block;font-size:15.5px;font-weight:600;margin-bottom:2px;}
.related-card span{display:block;font-size:13px;color:var(--ink-3);line-height:1.6;}
.related-card .arrow{margin-left:auto;flex:none;}
.related-card .arrow svg{width:16px;height:16px;fill:none;stroke:var(--ink-3);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--ease),stroke var(--ease);}
.related-card:hover .arrow svg{transform:translateX(3px);stroke:var(--blue);}

/* ===== CTA 条 ===== */
.cta-strip{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:linear-gradient(120deg,var(--blue-soft) 0%,#F8FBFF 65%,var(--coral-soft) 100%);
  border:1px solid #CFE0FA;border-radius:var(--r-lg);
  padding:32px 36px;
}
.cta-strip h2{font-size:clamp(20px,2.4vw,26px);line-height:1.35;}
.cta-strip p{margin-top:8px;font-size:14.5px;color:var(--ink-2);line-height:1.8;max-width:44em;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ===== 页脚 ===== */
.site-footer{background:#0F1B33;color:#C9D6EA;padding:64px 0 0;margin-top:20px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px 28px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand svg{width:34px;height:34px;flex:none;}
.footer-brand span{font-size:16px;font-weight:700;color:#fff;letter-spacing:.2px;}
.footer-desc{font-size:13.5px;line-height:1.85;color:#93A4BF;max-width:30em;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li:last-child{margin-bottom:0;}
.footer-col a{font-size:14px;color:#A9B8D1;}
.footer-col a:hover{color:var(--coral);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:#8497B5;
}
.footer-bottom a{color:#A9B8D1;font-size:13px;}
.footer-bottom a:hover{color:var(--coral);}

/* ===== 弹层 ===== */
.modal-mask{
  position:fixed;inset:0;z-index:200;display:none;
  background:rgba(20,33,61,.42);
  padding:24px;
  overflow-y:auto;
}
.modal-mask.is-open{display:flex;align-items:center;justify-content:center;}
.modal-box{
  position:relative;width:100%;max-width:560px;
  background:#fff;border-radius:20px;box-shadow:var(--sh-modal);
  padding:30px 30px 26px;
  animation:modalIn 200ms ease;
}
@keyframes modalIn{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}
.modal-close{
  position:absolute;right:14px;top:14px;
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;
  transition:background-color var(--ease),border-color var(--ease);
}
.modal-close:hover{background:var(--surface-2);border-color:#BFD5F7;}
.modal-close svg{width:16px;height:16px;fill:none;stroke:var(--ink-2);stroke-width:2;stroke-linecap:round;}
.modal-box h3{font-size:21px;margin-bottom:6px;}
.modal-box .modal-lead{font-size:13.5px;color:var(--ink-2);line-height:1.75;margin-bottom:20px;}
.form-row{margin-bottom:14px;}
.form-row label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.form-row label .req{color:var(--danger);margin-left:2px;}
.form-control{
  width:100%;min-height:46px;padding:11px 14px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;font-size:14.5px;color:var(--ink);font-family:inherit;
  transition:border-color var(--ease),box-shadow var(--ease);
}
textarea.form-control{min-height:96px;resize:vertical;line-height:1.7;}
select.form-control{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' fill='none' stroke='%235E6C82' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:40px;}
.form-control:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(46,107,230,.14);
}
.form-control::placeholder{color:var(--ink-3);}
.form-check{display:flex;align-items:flex-start;gap:10px;margin:6px 0 16px;}
.form-check input{width:17px;height:17px;margin-top:3px;accent-color:var(--blue);flex:none;}
.form-check span{font-size:12.5px;line-height:1.7;color:var(--ink-2);}
.form-check span a{color:var(--blue-dark);text-decoration:underline;text-underline-offset:2px;}
.form-note{margin-top:12px;font-size:12px;line-height:1.7;color:var(--ink-3);text-align:center;}
.form-note a{color:var(--ink-2);text-decoration:underline;text-underline-offset:2px;}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  .nav-list{display:none;}
  .nav-toggle{display:block;}
  .nav-card{gap:12px;}
  .nav-actions{margin-left:auto;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-visual{padding-top:0;max-width:560px;}
  .float-card{left:auto;right:14px;bottom:-18px;}
  .intro-grid{grid-template-columns:1fr;gap:26px;}
  .aside-card{position:static;}
  .story-band{grid-template-columns:1fr;}
  .story-media{min-height:240px;}
  .story-copy{padding:0 28px 32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px 24px;}
}
@media screen and (max-width:768px){
  .section{padding:52px 0;}
  .section-tight{padding:40px 0;}
  .brand-text em{display:none;}
  .brand-text strong{font-size:15px;}
  .topbar-links{gap:12px;}
  .topbar-inner{font-size:12.5px;}
  .hero-lead{font-size:16px;}
  .check-grid{grid-template-columns:1fr;}
  .check-panel{padding:24px 20px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-strip{padding:26px 22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .modal-mask{padding:0;align-items:flex-end;}
  .modal-mask.is-open{align-items:flex-end;}
  .modal-box{
    max-width:100%;border-radius:20px 20px 0 0;
    max-height:88vh;overflow-y:auto;
    padding:26px 20px 22px;
    animation:drawerIn 200ms ease;
  }
  @keyframes drawerIn{from{transform:translateY(40px);opacity:.6;}to{transform:translateY(0);opacity:1;}}
  .step{grid-template-columns:40px 1fr;gap:14px;}
  .step-num{width:40px;height:40px;font-size:14px;}
  .timeline::before{left:19px;}
  .step-card{padding:18px 18px;}
}
@media screen and (max-width:640px){
  .container{padding:0 16px;}
  .nav-actions .btn{display:none;}
  .mobile-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .hero-tags{gap:8px;}
  .hero-figure{aspect-ratio:16/11;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-item summary{padding:16px 18px;font-size:16px;}
  .faq-answer{padding:0 18px 18px;font-size:15px;}
  .footer-grid{grid-template-columns:1fr;}
  .float-card{position:static;margin-top:14px;width:100%;}
}

/* roulang page: category2 */
:root{
  --blue:#2E6BE6;
  --blue-dark:#1E4FBF;
  --blue-light:#EAF2FF;
  --coral:#FF8A4C;
  --coral-light:#FFF0E8;
  --coral-deep:#C85A22;
  --bg:#F5F8FE;
  --surface:#FFFFFF;
  --surface-2:#EEF4FC;
  --ink:#14213D;
  --ink-2:#5E6C82;
  --ink-3:#8794A8;
  --border:#DCE6F2;
  --success:#1D9A6C;
  --radius:16px;
  --radius-lg:24px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(20,33,61,.08);
  --shadow-hover:0 16px 40px rgba(20,33,61,.12);
  --container:1200px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--blue-dark);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--blue);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;border:none;background:none;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:3px solid rgba(46,107,230,.32);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}

/* ---------- 顶部工具条 ---------- */
.topbar{
  background:var(--surface-2);
  border-bottom:1px solid var(--border);
  font-size:13.5px;
  color:var(--ink-2);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:38px;
  padding-top:6px;
  padding-bottom:6px;
}
.topbar-status{display:flex;align-items:center;gap:8px;}
.dot-live{
  width:8px;height:8px;border-radius:50%;
  background:var(--success);
  box-shadow:0 0 0 3px rgba(29,154,108,.16);
  flex:none;
}
.topbar-links{display:flex;align-items:center;gap:18px;}
.topbar-links a{color:var(--ink-2);}
.topbar-links a:hover{color:var(--blue-dark);}

/* ---------- 卡片化导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  padding:12px 0;
  background:linear-gradient(180deg,rgba(245,248,254,.96) 60%,rgba(245,248,254,.72));
  backdrop-filter:saturate(140%) blur(6px);
}
.nav-card{
  display:flex;
  align-items:center;
  gap:16px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:18px;
  box-shadow:var(--shadow);
  padding:10px 14px;
  position:relative;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
  color:var(--ink);
}
.brand:hover{color:var(--ink);}
.brand-mark{width:36px;height:36px;flex:none;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:0;color:var(--ink);}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--ink-3);letter-spacing:.2px;}
.nav-list{
  display:flex;
  align-items:center;
  gap:4px;
  margin:0 auto;
}
.nav-link{
  display:flex;
  align-items:center;
  gap:8px;
  padding:9px 12px;
  border-radius:var(--radius-sm);
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-2);
  border-bottom:2px solid transparent;
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.nav-link svg{
  width:18px;height:18px;flex:none;
  fill:none;
  stroke:currentColor;
  stroke-width:1.7;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.nav-link:hover{background:var(--blue-light);color:var(--blue-dark);}
.nav-link.is-active{
  background:var(--blue-light);
  color:var(--blue-dark);
  border-bottom-color:var(--blue);
  font-weight:600;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--surface);
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;
  left:50%;top:50%;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--ink);
  content:"";
  transform:translate(-50%,-50%);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span::before{transform:translate(-50%,-7px);}
.nav-toggle span::after{transform:translate(-50%,5px);}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translate(-50%,-50%) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translate(-50%,-50%) rotate(-45deg);}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border-radius:var(--radius-sm);
  font-size:15.5px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  text-align:center;
}
.btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(46,107,230,.24);}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(30,79,191,.28);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(30,79,191,.24);}
.btn-ghost{background:#fff;color:var(--blue-dark);border-color:var(--border);}
.btn-ghost:hover{background:var(--blue-light);border-color:var(--blue);color:var(--blue-dark);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14.5px;border-radius:10px;}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--blue-dark);font-weight:600;font-size:14.5px;
  padding:4px 0;
}
.btn-text svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease;}
.btn-text:hover svg{transform:translateX(3px);}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0;}
.section-tight{padding:52px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:30px;
  line-height:1.28;
  font-weight:700;
  letter-spacing:0;
}
.section-head p{
  color:var(--ink-2);
  font-size:15px;
  margin-top:10px;
  max-width:620px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--blue-dark);
  background:var(--blue-light);
  border-radius:999px;
  padding:5px 13px;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--blue);
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:13.5px;
  color:var(--ink-3);
  padding:22px 0 0;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--blue-dark);}
.breadcrumb .sep{width:4px;height:4px;border-radius:50%;background:#C3D0E2;flex:none;}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ---------- 分类页 Hero ---------- */
.cat-hero{
  padding:26px 0 8px;
}
.cat-hero-panel{
  position:relative;
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  background:linear-gradient(120deg,#F7FAFF 0%,#EDF4FE 58%,#E9F1FF 100%);
  padding:44px 44px 46px;
  overflow:hidden;
}
.cat-hero-panel::before{
  content:"";
  position:absolute;
  right:-90px;top:-110px;
  width:320px;height:320px;
  border-radius:50%;
  background:rgba(46,107,230,.07);
}
.cat-hero-panel::after{
  content:"";
  position:absolute;
  right:60px;bottom:-120px;
  width:240px;height:240px;
  border-radius:50%;
  background:rgba(255,138,76,.09);
}
.cat-hero-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.55fr 1fr;
  gap:36px;
  align-items:center;
}
.cat-hero h1{
  font-size:46px;
  line-height:1.15;
  font-weight:700;
  letter-spacing:0;
  margin-bottom:18px;
}
.cat-hero h1 span{color:var(--blue-dark);}
.cat-hero .lead{
  font-size:17px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:560px;
}
.cat-hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.hero-figure{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  border:1px solid #D6E4F7;
  box-shadow:0 18px 40px rgba(20,33,61,.14);
  background:var(--surface-2);
  aspect-ratio:4/3;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure figcaption{
  position:absolute;
  left:14px;bottom:14px;
  background:rgba(20,33,61,.78);
  color:#fff;
  font-size:12.5px;
  padding:6px 12px;
  border-radius:999px;
  letter-spacing:.2px;
}

/* 标签胶囊 */
.pill-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:8px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:999px;
  box-shadow:var(--shadow);
  width:max-content;
  max-width:100%;
}
.pill{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  padding:0 16px;
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  color:var(--ink-2);
  background:transparent;
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.pill:hover{background:var(--blue-light);color:var(--blue-dark);}
.pill.is-active{background:var(--blue-light);color:var(--blue-dark);font-weight:600;box-shadow:inset 0 0 0 1px rgba(46,107,230,.22);}

/* ---------- 杂志网格 ---------- */
.mag-wrap{margin-top:30px;}
.mag-hero{
  display:grid;
  grid-template-columns:1.6fr 1fr;
  gap:24px;
  align-items:stretch;
}
.mag-main{
  display:block;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mag-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C6DBF7;color:inherit;}
.mag-main .thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--surface-2);
}
.mag-main .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.mag-main:hover .thumb img{transform:scale(1.03);}
.mag-main .body{padding:26px 28px 28px;}
.mag-main h3{
  font-size:24px;
  line-height:1.35;
  font-weight:700;
  margin:14px 0 12px;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.mag-main p{
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--ink-3);
  margin-top:16px;
}
.badge{
  display:inline-flex;
  align-items:center;
  min-height:26px;
  padding:0 11px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  background:var(--blue-light);
  color:var(--blue-dark);
  white-space:nowrap;
}
.badge-coral{background:var(--coral-light);color:var(--coral-deep);}
.badge-line{background:#fff;color:var(--ink-2);box-shadow:inset 0 0 0 1px var(--border);}

.mag-side{display:grid;gap:16px;}
.mag-mini{
  display:grid;
  grid-template-columns:112px 1fr;
  gap:14px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:14px;
  padding:12px;
  box-shadow:0 6px 18px rgba(20,33,61,.05);
  align-items:center;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  color:inherit;
}
.mag-mini:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C6DBF7;color:inherit;}
.mag-mini .mini-thumb{
  aspect-ratio:4/3;
  border-radius:10px;
  overflow:hidden;
  background:var(--surface-2);
}
.mag-mini .mini-thumb img{width:100%;height:100%;object-fit:cover;}
.mag-mini h4{
  font-size:15px;
  line-height:1.5;
  font-weight:600;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.mag-mini .mini-meta{font-size:12.5px;color:var(--ink-3);margin-top:8px;display:flex;gap:10px;flex-wrap:wrap;}

.mag-grid-2{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  margin-top:24px;
}
.mag-card{
  display:grid;
  grid-template-columns:44% 1fr;
  gap:0;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  color:inherit;
}
.mag-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C6DBF7;color:inherit;}
.mag-card .thumb{background:var(--surface-2);overflow:hidden;min-height:190px;}
.mag-card .thumb img{width:100%;height:100%;object-fit:cover;}
.mag-card .body{padding:20px 22px;display:flex;flex-direction:column;}
.mag-card h3{
  font-size:18px;
  line-height:1.45;
  font-weight:600;
  margin:12px 0 10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.mag-card p{
  font-size:14px;
  line-height:1.75;
  color:var(--ink-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.mag-card .card-meta{margin-top:auto;padding-top:14px;}

/* ---------- 专题深色区块 ---------- */
.topic-band{
  background:#101B33;
  color:#E7EEFB;
  border-radius:var(--radius-lg);
  padding:48px 44px;
  position:relative;
  overflow:hidden;
}
.topic-band::before{
  content:"";
  position:absolute;
  left:-60px;bottom:-80px;
  width:260px;height:260px;
  border-radius:50%;
  background:rgba(46,107,230,.22);
}
.topic-band h2{
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  color:#fff;
  margin-bottom:12px;
}
.topic-band .band-lead{
  color:#A9BAD6;
  font-size:15.5px;
  max-width:640px;
  margin-bottom:32px;
}
.topic-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  position:relative;
  z-index:1;
}
.topic-item{
  display:flex;
  gap:16px;
  padding:20px;
  border-radius:14px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.topic-item:hover{background:rgba(255,255,255,.09);border-color:rgba(46,107,230,.55);transform:translateY(-2px);}
.topic-num{
  font-size:14px;
  font-weight:700;
  color:var(--coral);
  font-variant-numeric:tabular-nums;
  flex:none;
  padding-top:2px;
}
.topic-item h3{
  font-size:16.5px;
  font-weight:600;
  color:#fff;
  line-height:1.5;
  margin-bottom:6px;
}
.topic-item p{
  font-size:14px;
  line-height:1.75;
  color:#A9BAD6;
}

/* ---------- 引用 / 编辑说明 ---------- */
.quote-card{
  display:grid;
  grid-template-columns:1fr 320px;
  gap:32px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--border);
  border-left:4px solid var(--blue);
  border-radius:var(--radius);
  padding:32px 34px;
  box-shadow:var(--shadow);
}
.quote-card blockquote{
  margin:0;
  font-size:18px;
  line-height:1.8;
  color:var(--ink);
  font-weight:500;
}
.quote-card cite{
  display:block;
  margin-top:14px;
  font-style:normal;
  font-size:13.5px;
  color:var(--ink-3);
}
.quote-side{
  background:var(--surface-2);
  border-radius:14px;
  padding:20px 22px;
}
.quote-side h3{font-size:15px;font-weight:600;margin-bottom:12px;}
.quote-side li{
  display:flex;
  align-items:flex-start;
  gap:9px;
  font-size:13.8px;
  color:var(--ink-2);
  line-height:1.7;
  margin-bottom:10px;
}
.quote-side li:last-child{margin-bottom:0;}
.quote-side svg{
  width:16px;height:16px;flex:none;margin-top:3px;
  fill:none;stroke:var(--success);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;
}

/* ---------- 数据带 ---------- */
.stat-band{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  background:var(--blue-light);
  border:1px solid #D3E3FB;
  border-radius:var(--radius);
  padding:32px 28px;
}
.stat-item{text-align:center;}
.stat-item strong{
  display:block;
  font-size:36px;
  line-height:1.1;
  font-weight:700;
  color:var(--blue-dark);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.5px;
}
.stat-item span{
  display:block;
  margin-top:8px;
  font-size:13.5px;
  color:var(--ink-2);
}

/* ---------- FAQ ---------- */
.faq-list{
  max-width:820px;
  margin:0 auto;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--border);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  font-size:17px;
  font-weight:600;
  line-height:1.55;
  color:var(--ink);
  cursor:pointer;
  list-style:none;
  position:relative;
  transition:color .18s ease,background-color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#FAFCFF;color:var(--blue-dark);}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%) scaleY(0);
  width:4px;height:26px;
  border-radius:0 4px 4px 0;
  background:var(--blue);
  transition:transform .2s ease;
}
.faq-item[open] summary::before{transform:translateY(-50%) scaleY(1);}
.faq-icon{
  position:relative;
  width:22px;height:22px;
  flex:none;
  border-radius:50%;
  background:var(--blue-light);
  transition:background-color .2s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:10px;height:2px;
  border-radius:2px;
  background:var(--blue-dark);
  transform:translate(-50%,-50%);
  transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(0);opacity:0;}
.faq-answer{
  padding:0 24px 22px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--ink-2);
}
.faq-answer p + p{margin-top:10px;}

/* ---------- 相关分类入口 ---------- */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.related-card{
  display:block;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:0 6px 18px rgba(20,33,61,.05);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  color:inherit;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C6DBF7;color:inherit;}
.related-icon{
  width:42px;height:42px;
  border-radius:12px;
  background:var(--blue-light);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.related-icon svg{width:20px;height:20px;fill:none;stroke:var(--blue-dark);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.related-card h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.related-card p{font-size:14px;line-height:1.75;color:var(--ink-2);}
.related-card .link-line{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:16px;font-size:14px;font-weight:600;color:var(--blue-dark);
}
.related-card .link-line svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- CTA 条 ---------- */
.cta-strip{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  background:linear-gradient(100deg,#EAF2FF 0%,#F2F7FF 62%,#FFF3EC 100%);
  border:1px solid #D8E5FA;
  border-radius:var(--radius-lg);
  padding:38px 42px;
}
.cta-strip h2{font-size:26px;line-height:1.35;font-weight:700;}
.cta-strip p{margin-top:8px;font-size:15px;color:var(--ink-2);max-width:560px;}
.cta-strip .cta-actions{display:flex;gap:12px;flex:none;flex-wrap:wrap;}

/* ---------- 表单弹层 ---------- */
.modal{
  position:fixed;
  inset:0;
  z-index:200;
  display:none;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.modal.is-open{display:flex;}
.modal-overlay{
  position:absolute;
  inset:0;
  background:rgba(20,33,61,.42);
  border:none;
  padding:0;
  width:100%;height:100%;
}
.modal-card{
  position:relative;
  z-index:1;
  width:560px;
  max-width:100%;
  max-height:90vh;
  overflow-y:auto;
  background:var(--surface);
  border-radius:20px;
  box-shadow:0 30px 70px rgba(20,33,61,.3);
  padding:30px 32px 32px;
}
.modal-close{
  position:absolute;
  top:14px;right:14px;
  width:40px;height:40px;
  border-radius:50%;
  background:var(--surface-2);
  color:var(--ink-2);
  font-size:20px;
  line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:background-color .18s ease,color .18s ease;
}
.modal-close:hover{background:var(--blue-light);color:var(--blue-dark);}
.modal-card h2{font-size:23px;font-weight:700;line-height:1.35;}
.modal-card .modal-sub{font-size:14px;color:var(--ink-2);margin-top:8px;margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13.5px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:7px;
}
.field .req{color:var(--coral-deep);margin-left:2px;}
.field input,
.field select,
.field textarea{
  width:100%;
  min-height:46px;
  padding:11px 14px;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  background:#fff;
  color:var(--ink);
  font-size:15px;
  line-height:1.5;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--blue);
  box-shadow:0 0 0 3px rgba(46,107,230,.14);
}
.field input::placeholder,
.field textarea::placeholder{color:var(--ink-3);}
.check-line{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13.5px;
  color:var(--ink-2);
  line-height:1.7;
  margin:4px 0 18px;
}
.check-line input{
  width:18px;height:18px;
  margin-top:2px;
  flex:none;
  accent-color:var(--blue);
}
.privacy-note{
  font-size:12.5px;
  line-height:1.7;
  color:var(--ink-3);
  margin-top:12px;
}
.privacy-note a{color:var(--blue-dark);text-decoration:underline;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#101B33;
  color:#B9C8DF;
  padding:64px 0 26px;
  margin-top:80px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:11px;
  margin-bottom:16px;
}
.footer-brand svg{width:34px;height:34px;flex:none;}
.footer-brand span{font-size:16.5px;font-weight:700;color:#fff;}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:#93A6C2;
  max-width:320px;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col li{margin-bottom:11px;}
.footer-col a{
  font-size:14px;
  color:#A6B8D2;
  transition:color .18s ease,text-decoration-color .18s ease;
  text-decoration:underline;
  text-decoration-color:transparent;
  text-underline-offset:3px;
}
.footer-col a:hover{color:var(--coral);text-decoration-color:var(--coral);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:22px;
  font-size:13px;
  color:#8296B4;
}
.footer-bottom a{color:#A6B8D2;}
.footer-bottom a:hover{color:var(--coral);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-card{flex-wrap:wrap;}
  .nav-toggle{display:block;}
  .nav-list{
    display:none;
    order:3;
    width:100%;
    margin:8px 0 0;
    grid-template-columns:1fr 1fr;
    gap:8px;
    padding-top:12px;
    border-top:1px solid var(--border);
  }
  .nav-list.is-open{display:grid;}
  .nav-link{
    padding:12px 14px;
    min-height:48px;
    border-bottom:none;
    border:1px solid var(--border);
    background:#fff;
  }
  .nav-link.is-active{border-color:#BFD6F6;box-shadow:inset 0 -2px 0 var(--blue);}
  .nav-actions{margin-left:auto;}
  .nav-actions .btn{display:none;}
  .cat-hero-inner{grid-template-columns:1fr;gap:28px;}
  .cat-hero h1{font-size:38px;}
  .mag-hero{grid-template-columns:1fr;}
  .mag-side{grid-template-columns:1fr 1fr;}
  .mag-grid-2{grid-template-columns:1fr;gap:20px;}
  .topic-list{grid-template-columns:1fr;}
  .quote-card{grid-template-columns:1fr;gap:22px;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-strip{flex-direction:column;align-items:flex-start;}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  .section-tight{padding:40px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px;}
  .section-head h2{font-size:25px;}
  .cat-hero-panel{padding:30px 22px 32px;}
  .cat-hero h1{font-size:31px;}
  .cat-hero .lead{font-size:15.5px;}
  .mag-side{grid-template-columns:1fr;}
  .mag-main .body{padding:20px 20px 22px;}
  .mag-main h3{font-size:20px;}
  .mag-card{grid-template-columns:1fr;}
  .mag-card .thumb{min-height:180px;aspect-ratio:16/9;}
  .topic-band{padding:32px 22px;}
  .topic-band h2{font-size:25px;}
  .stat-band{grid-template-columns:1fr 1fr;padding:24px 18px;gap:24px 16px;}
  .stat-item strong{font-size:30px;}
  .quote-card{padding:24px 20px;}
  .cta-strip{padding:28px 22px;}
  .cta-strip h2{font-size:22px;}
  .cta-strip .cta-actions{width:100%;}
  .cta-strip .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .site-footer{padding:48px 0 22px;margin-top:56px;}
  .faq-item summary{padding:17px 18px;font-size:16px;}
  .faq-answer{padding:0 18px 18px;font-size:15px;}
  .modal{padding:0;align-items:flex-end;}
  .modal-card{
    width:100%;
    border-radius:20px 20px 0 0;
    max-height:88vh;
    padding:26px 20px 28px;
  }
  .pill-bar{border-radius:18px;padding:8px;width:100%;}
  .pill{font-size:13.5px;padding:0 13px;min-height:34px;}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
  .topbar-inner{font-size:12.5px;flex-wrap:wrap;gap:6px;}
  .topbar-status span:last-child{max-width:190px;}
  .brand-text strong{font-size:15px;}
  .brand-text em{display:none;}
  .cat-hero h1{font-size:28px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .nav-list{grid-template-columns:1fr;}
  .mag-mini{grid-template-columns:92px 1fr;}
  .stat-item strong{font-size:27px;}
  .btn{width:100%;}
  .nav-actions .nav-toggle{width:44px;}
  .related-card{padding:20px;}
}

/* roulang page: category3 */
:root{
  --blue:#2E6BE6;
  --blue-dark:#1E4FBF;
  --blue-soft:#EAF2FF;
  --coral:#FF8A4C;
  --coral-soft:#FFF0E8;
  --coral-deep:#C25A22;
  --bg:#F5F8FE;
  --surface:#FFFFFF;
  --surface-alt:#EEF4FC;
  --ink:#14213D;
  --ink-2:#5E6C82;
  --ink-3:#8794A8;
  --line:#DCE6F2;
  --ok:#1D9A6C;
  --warn:#E3A008;
  --radius:16px;
  --radius-lg:24px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(20,33,61,.08);
  --shadow-hover:0 16px 40px rgba(20,33,61,.12);
  --t:200ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--blue-dark);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--blue);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;line-height:1.25;color:var(--ink);}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid #BFD8FF;outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 22px;}

/* ---------- 顶部工具条 ---------- */
.utility-bar{background:var(--surface-alt);border-bottom:1px solid var(--line);font-size:13px;color:var(--ink-2);}
.utility-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px;}
.utility-left{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.utility-dot{width:7px;height:7px;border-radius:50%;background:var(--ok);flex:0 0 auto;}
.utility-right{display:inline-flex;gap:18px;}
.utility-right a{color:var(--ink-2);font-size:13px;}
.utility-right a:hover{color:var(--blue-dark);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:12px 0;background:rgba(245,248,254,.92);backdrop-filter:blur(8px);}
.nav-card{
  position:relative;
  display:flex;align-items:center;gap:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:10px 14px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:38px;height:38px;flex:0 0 auto;}
.brand-text strong{display:block;font-size:16px;font-weight:700;color:var(--ink);line-height:1.3;letter-spacing:0;}
.brand-text em{display:block;font-style:normal;font-size:11.5px;color:var(--ink-3);line-height:1.4;letter-spacing:.2px;}
.nav-list{display:flex;align-items:center;gap:4px;margin:0;padding:0;flex:1 1 auto;justify-content:center;}
.nav-link{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 12px;border-radius:var(--radius-sm);
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  transition:background-color var(--t),color var(--t);
  position:relative;
}
.nav-link svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto;}
.nav-link:hover{background:var(--blue-soft);color:var(--blue-dark);}
.nav-link.is-active{background:var(--blue-soft);color:var(--blue-dark);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--blue);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:var(--surface);position:relative;cursor:pointer;
  transition:background-color var(--t),border-color var(--t);
}
.nav-toggle:hover{background:var(--blue-soft);border-color:#C9DCF9;}
.nav-toggle span{position:absolute;left:50%;top:50%;width:18px;height:2px;background:var(--ink);border-radius:2px;transform:translate(-50%,-50%);transition:background-color var(--t);}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform var(--t);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15.5px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background-color var(--t),color var(--t),box-shadow var(--t),transform var(--t),border-color var(--t);
}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(46,107,230,.22);}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(30,79,191,.26);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(30,79,191,.2);}
.btn-outline{background:var(--surface);color:var(--blue-dark);border-color:#BBD3F7;}
.btn-outline:hover{background:var(--blue-soft);color:var(--blue-dark);border-color:var(--blue);}
.btn-sm{height:40px;padding:0 16px;font-size:14.5px;}
.btn-block{width:100%;}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--blue-dark);}
.btn-text svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--t);}
.btn-text:hover svg{transform:translateX(3px);}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:22px 0 0;font-size:13.5px;color:var(--ink-3);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.breadcrumb li{display:inline-flex;align-items:center;gap:10px;}
.breadcrumb li::after{content:"";width:4px;height:4px;border-radius:50%;background:#C4D3E6;}
.breadcrumb li:last-child::after{display:none;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--blue-dark);}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{padding:34px 0 8px;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:36px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;border-radius:999px;
  background:var(--blue-soft);color:var(--blue-dark);
  font-size:13px;font-weight:600;margin-bottom:18px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--coral);display:inline-block;}
.page-hero h1{font-size:clamp(30px,3.6vw,46px);line-height:1.18;margin-bottom:16px;}
.page-hero h1 .hl{color:var(--blue-dark);}
.hero-sub{font-size:17px;color:var(--ink-2);line-height:1.8;max-width:620px;margin-bottom:24px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  height:28px;padding:0 13px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);
}
.chip svg{width:14px;height:14px;fill:none;stroke:var(--ok);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
.hero-visual{position:relative;}
.hero-figure{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);background:var(--surface-alt);aspect-ratio:4/3;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-float{
  position:absolute;left:-18px;bottom:-20px;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow);padding:12px 16px;display:flex;align-items:center;gap:12px;
}
.hero-float svg{width:26px;height:26px;fill:none;stroke:var(--blue);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.hero-float strong{display:block;font-size:15px;line-height:1.3;}
.hero-float em{font-style:normal;font-size:12.5px;color:var(--ink-3);}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0;}
.section-tight{padding:48px 0;}
.section-head{max-width:720px;margin-bottom:34px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:12px;}
.section-head p{color:var(--ink-2);font-size:15.5px;margin:0;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- 左右分栏主体 ---------- */
.support-layout{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:26px;align-items:start;}
.service-list{display:flex;flex-direction:column;gap:16px;}
.service-card{
  display:flex;align-items:flex-start;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:20px 22px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  color:inherit;
}
.service-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#BBD3F7;color:inherit;}
.service-icon{
  width:46px;height:46px;flex:0 0 auto;border-radius:12px;
  background:var(--blue-soft);display:grid;place-items:center;
}
.service-icon svg{width:23px;height:23px;fill:none;stroke:var(--blue-dark);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.service-body{flex:1 1 auto;min-width:0;}
.service-body h3{font-size:18px;font-weight:600;margin-bottom:6px;}
.service-body p{font-size:14.5px;color:var(--ink-2);margin:0;line-height:1.7;}
.service-meta{display:inline-flex;align-items:center;gap:8px;margin-top:8px;font-size:12.5px;color:var(--ink-3);}
.tag-soft{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;background:var(--coral-soft);color:var(--coral-deep);font-size:12px;font-weight:600;}
.service-arrow{width:18px;height:18px;flex:0 0 auto;margin-top:16px;fill:none;stroke:var(--ink-3);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--t),stroke var(--t);}
.service-card:hover .service-arrow{transform:translateX(3px);stroke:var(--blue-dark);}

/* 右侧联系卡 */
.contact-card{
  position:sticky;top:96px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:26px 24px;
}
.contact-card .contact-head{display:flex;align-items:center;gap:10px;margin-bottom:6px;}
.contact-head svg{width:22px;height:22px;fill:none;stroke:var(--coral);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.contact-card h2{font-size:20px;}
.contact-lead{font-size:14px;color:var(--ink-2);margin:8px 0 18px;}
.contact-list{display:flex;flex-direction:column;gap:14px;margin-bottom:20px;}
.contact-item{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--ink-2);line-height:1.65;}
.contact-item i{
  width:24px;height:24px;flex:0 0 auto;border-radius:8px;background:var(--surface-alt);
  display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:700;color:var(--blue-dark);
  margin-top:2px;
}
.contact-item b{display:block;color:var(--ink);font-size:14px;font-weight:600;margin-bottom:2px;}
.contact-note{font-size:12.5px;color:var(--ink-3);line-height:1.7;margin-top:14px;}
.contact-note a{color:var(--blue-dark);font-weight:600;}
.contact-divider{height:1px;background:var(--line);margin:18px 0;}

/* ---------- 处理节奏带 ---------- */
.flow-band{
  background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px 28px;
}
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.flow-item{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px;transition:transform var(--t),box-shadow var(--t);}
.flow-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;background:var(--blue-soft);color:var(--blue-dark);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.flow-item h3{font-size:16px;margin-bottom:6px;}
.flow-item p{font-size:13.5px;color:var(--ink-2);margin:0;line-height:1.65;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);margin-bottom:14px;overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.5;
  transition:background-color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#F8FBFF;}
.faq-item summary .sign{
  width:26px;height:26px;flex:0 0 auto;border-radius:8px;background:var(--blue-soft);
  position:relative;transition:background-color var(--t);
}
.faq-item summary .sign::before,.faq-item summary .sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--blue-dark);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-item summary .sign::before{width:12px;height:2px;}
.faq-item summary .sign::after{width:2px;height:12px;transition:opacity var(--t),transform var(--t);}
.faq-item[open] summary .sign::after{opacity:0;transform:translate(-50%,-50%) scaleY(0);}
.faq-item[open] summary{background:#F8FBFF;}
.faq-answer{padding:0 24px 22px;border-top:1px solid var(--line);}
.faq-answer p{padding-top:16px;font-size:15px;color:var(--ink-2);line-height:1.85;margin:0;}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rel-card{
  display:flex;align-items:center;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow);color:inherit;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#BBD3F7;color:inherit;}
.rel-card .rel-ico{width:40px;height:40px;flex:0 0 auto;border-radius:11px;background:var(--blue-soft);display:grid;place-items:center;}
.rel-card .rel-ico svg{width:20px;height:20px;fill:none;stroke:var(--blue-dark);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.rel-card strong{display:block;font-size:16px;font-weight:600;margin-bottom:2px;}
.rel-card span{font-size:13px;color:var(--ink-3);}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(180deg,#F2F7FF 0%,#EAF2FF 100%);
  border:1px solid #CFE0FA;border-radius:var(--radius-lg);
  padding:38px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{font-size:clamp(21px,2.2vw,27px);margin-bottom:8px;}
.cta-band p{color:var(--ink-2);font-size:15px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:#101B31;color:#C7D4E8;padding:60px 0 26px;margin-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand svg{width:34px;height:34px;flex:0 0 auto;}
.footer-brand span{font-size:16px;font-weight:700;color:#fff;}
.footer-desc{font-size:13.5px;line-height:1.8;color:#9FB0C9;max-width:320px;margin:0;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#9FB0C9;}
.footer-col a:hover{color:#FFB08A;text-decoration:underline;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px 26px;justify-content:space-between;
  font-size:13px;color:#8395B0;
}
.footer-bottom a{color:#9FB0C9;}
.footer-bottom a:hover{color:#FFB08A;}

/* ---------- 弹层表单 ---------- */
.modal-mask{
  position:fixed;inset:0;background:rgba(20,33,61,.45);
  display:none;align-items:center;justify-content:center;padding:24px;z-index:200;
}
.modal-mask.is-open{display:flex;}
.modal-box{
  width:100%;max-width:560px;background:var(--surface);border-radius:20px;
  box-shadow:0 26px 60px rgba(20,33,61,.28);padding:28px;position:relative;
  max-height:88vh;overflow-y:auto;
}
.modal-box h2{font-size:22px;margin-bottom:6px;padding-right:44px;}
.modal-box .modal-lead{font-size:14px;color:var(--ink-2);margin-bottom:20px;}
.modal-close{
  position:absolute;right:16px;top:16px;width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);color:var(--ink-2);
  font-size:20px;line-height:1;cursor:pointer;display:grid;place-items:center;
  transition:background-color var(--t),color var(--t);
}
.modal-close:hover{background:var(--blue-soft);color:var(--blue-dark);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:7px;}
.field label .req{color:#D64545;margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:15px;color:var(--ink);
  background:#FBFDFF;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 14px;height:46px;transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(46,107,230,.12);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-2) 50%),linear-gradient(135deg,var(--ink-2) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);line-height:1.65;margin:4px 0 18px;}
.consent input{width:17px;height:17px;flex:0 0 auto;margin-top:2px;accent-color:var(--blue);}
.consent a{color:var(--blue-dark);font-weight:600;}
.modal-privacy{font-size:12.5px;color:var(--ink-3);line-height:1.7;margin-top:12px;text-align:center;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-list{
    display:none;position:absolute;left:0;right:0;top:calc(100% + 8px);
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow-hover);padding:12px;grid-template-columns:1fr 1fr;gap:8px;
    z-index:70;
  }
  .nav-list.is-open{display:grid;}
  .nav-link{width:100%;min-height:48px;justify-content:flex-start;}
  .nav-link.is-active::after{left:12px;right:12px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual{max-width:520px;}
  .support-layout{grid-template-columns:1fr;}
  .contact-card{position:static;}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:768px){
  .utility-inner{height:auto;padding:9px 0;flex-wrap:wrap;}
  .utility-left{font-size:12.5px;}
  .brand-text em{display:none;}
  .section{padding:52px 0;}
  .page-hero{padding:26px 0 4px;}
  .hero-sub{font-size:15.5px;}
  .hero-float{left:0;bottom:-16px;padding:10px 14px;}
  .faq-item summary{font-size:15.5px;padding:18px 18px;}
  .faq-answer{padding:0 18px 18px;}
  .cta-band{padding:28px 22px;}
  .site-footer{margin-top:56px;padding-top:44px;}
  .modal-mask{padding:0;align-items:flex-end;}
  .modal-box{max-width:100%;border-radius:20px 20px 0 0;max-height:88vh;padding:24px 20px 28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .nav-actions .btn-sm{display:none;}
  .hero-actions .btn{width:100%;}
  .flow-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .service-card{padding:16px;gap:12px;}
  .service-body h3{font-size:16.5px;}
  .rel-card{padding:16px;}
}

/* roulang page: category4 */
:root{
  --brand:#2E6BE6;
  --brand-dark:#1E4FBF;
  --brand-soft:#EAF2FF;
  --coral:#FF8A4C;
  --coral-soft:#FFF0E8;
  --bg:#F5F8FE;
  --surface:#FFFFFF;
  --surface-2:#EEF4FC;
  --ink:#14213D;
  --ink-2:#5E6C82;
  --ink-3:#8794A8;
  --line:#DCE6F2;
  --ok:#1D9A6C;
  --warn:#E3A008;
  --danger:#D64545;
  --r-card:16px;
  --r-hero:24px;
  --r-btn:10px;
  --shadow:0 10px 30px rgba(20,33,61,.08);
  --shadow-soft:0 6px 18px rgba(20,33,61,.05);
  --shadow-hover:0 16px 40px rgba(20,33,61,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-dark);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;letter-spacing:0}
p{margin:0}
:focus-visible{outline:3px solid rgba(46,107,230,.35);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.row{max-width:none;margin-left:0;margin-right:0}

/* ---------- top bar ---------- */
.topbar{background:var(--surface-2);border-bottom:1px solid var(--line);color:var(--ink-2);font-size:13.5px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:38px;flex-wrap:wrap}
.topbar-status{display:inline-flex;align-items:center;gap:8px}
.topbar-status .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(29,154,108,.14)}
.topbar-links{display:inline-flex;align-items:center;gap:16px}
.topbar-links a{color:var(--ink-2)}
.topbar-links a:hover{color:var(--brand-dark)}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--bg);padding:12px 0 8px;border-bottom:1px solid rgba(220,230,242,.7)}
.nav-card{
  position:relative;
  display:flex;align-items:center;gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:0 8px 24px rgba(20,33,61,.06);
  padding:10px 12px 10px 14px;
  min-height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:36px;height:36px;flex:0 0 auto;border-radius:10px}
.brand-text{display:flex;flex-direction:column;line-height:1.22}
.brand-text strong{font-size:16px;font-weight:700;color:var(--ink)}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--ink-3)}
.nav-list{display:flex;align-items:center;gap:3px;list-style:none;margin:0 auto 0 6px;padding:0}
.nav-list li{list-style:none}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:8px 10px;border-radius:10px;font-size:14.5px;color:var(--ink-2);
  transition:background-color .18s ease,color .18s ease;
}
.nav-link svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark)}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;border-radius:2px;background:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{display:none;position:relative;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:var(--surface);cursor:pointer;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--ink);border-radius:2px;position:relative;transition:background-color .18s ease}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .18s ease}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(46,107,230,.24)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(46,107,230,.2)}
.btn-secondary{background:#fff;color:var(--brand-dark);border-color:#C3D8F8}
.btn-secondary:hover{background:var(--brand-soft);color:var(--brand-dark)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand-dark)}
.link-more svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease}
.link-more:hover svg{transform:translateX(3px)}

/* ---------- breadcrumb ---------- */
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13.5px;color:var(--ink-3);padding:20px 0 0}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand-dark)}
.breadcrumb .sep{width:4px;height:4px;border-radius:50%;background:#C4D4E8}
.breadcrumb .is-current{color:var(--ink);font-weight:600}

/* ---------- hero ---------- */
.page-hero{padding:26px 0 0}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:40px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px}
.eyebrow .pip{width:6px;height:6px;border-radius:50%;background:var(--brand)}
.page-hero h1{font-size:clamp(30px,4vw,46px);line-height:1.18;font-weight:700;margin:16px 0 14px;color:var(--ink)}
.hero-lead{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:560px}
.hero-meta{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.hero-meta ul{list-style:none;display:flex;flex-wrap:wrap;gap:10px 26px;font-size:13.5px;color:var(--ink-2)}
.hero-meta li{display:inline-flex;align-items:center;gap:7px}
.hero-meta svg{width:16px;height:16px;fill:none;stroke:var(--brand);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.hero-figure{position:relative;margin:0}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-hero);border:1px solid var(--line);box-shadow:var(--shadow)}
.hero-badge{
  position:absolute;left:-16px;bottom:-18px;display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);
  padding:12px 16px;font-size:13.5px;color:var(--ink-2);max-width:280px;
}
.hero-badge strong{display:block;font-size:15px;color:var(--ink);font-weight:700;line-height:1.4}
.hero-badge .ring{width:36px;height:36px;flex:0 0 auto;border-radius:50%;background:var(--coral-soft);display:grid;place-items:center}
.hero-badge .ring svg{width:19px;height:19px;fill:none;stroke:var(--coral);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section-tight{padding:56px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:740px;margin-bottom:34px}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.32;font-weight:700;color:var(--ink);margin-bottom:12px}
.section-head p{font-size:16px;line-height:1.8;color:var(--ink-2)}

/* ---------- rule cards ---------- */
.rule-row{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:0}
.rule-row > .column{float:none;width:auto;padding:0}
.rule-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-soft);padding:24px 24px 22px;height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rule-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C7DBFA}
.rule-num{
  display:inline-flex;align-items:center;justify-content:center;min-width:46px;height:28px;padding:0 12px;
  border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);
  font-size:13.5px;font-weight:700;letter-spacing:.06em;font-variant-numeric:tabular-nums;
}
.rule-card h3{font-size:20px;font-weight:600;color:var(--ink);margin:14px 0 8px}
.rule-card p{font-size:15px;line-height:1.85;color:var(--ink-2)}
.rule-note{margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);font-size:13.5px;color:var(--ink-3)}

/* ---------- compare band ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare > .column{float:none;width:auto;padding:0}
.compare-col{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-soft);padding:26px}
.compare-col h3{display:flex;align-items:center;gap:9px;font-size:18px;font-weight:600;color:var(--ink);margin-bottom:16px}
.compare-col h3 .tag{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;flex:0 0 auto}
.tag-ok{background:rgba(29,154,108,.12);color:var(--ok)}
.tag-no{background:rgba(214,69,69,.1);color:var(--danger)}
.compare-col h3 svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.compare-list{list-style:none;display:grid;gap:12px}
.compare-list li{position:relative;padding-left:20px;font-size:15px;line-height:1.75;color:var(--ink-2)}
.compare-list li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:2px;background:var(--brand)}
.compare-col.is-avoid .compare-list li::before{background:var(--coral)}

/* ---------- split panels ---------- */
.split{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-soft);padding:26px}
.panel h3{font-size:20px;font-weight:600;color:var(--ink);margin-bottom:10px}
.panel .panel-lead{font-size:15px;line-height:1.8;color:var(--ink-2);margin-bottom:16px}
.privacy-list{list-style:none;display:grid;gap:14px}
.privacy-list li{position:relative;padding-left:18px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.privacy-list li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:2px;background:var(--brand)}
.contact-card{position:sticky;top:96px;background:var(--brand-soft);border:1px solid #D3E4FF;border-radius:var(--r-card);box-shadow:var(--shadow-soft);padding:26px}
.contact-card h3{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:10px}
.contact-card p{font-size:14.5px;line-height:1.8;color:var(--ink-2)}
.contact-facts{display:grid;gap:10px;margin:16px 0 18px}
.contact-facts div{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--ink-2);padding-bottom:8px;border-bottom:1px dashed rgba(46,107,230,.2)}
.contact-facts div:last-child{border-bottom:0;padding-bottom:0}
.contact-facts strong{color:var(--ink);font-weight:600}
.contact-card .tiny{font-size:12.5px;color:var(--ink-3);margin-top:12px;line-height:1.7}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:880px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-soft);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item[open]{border-color:#C7DBFA;box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;font-weight:400;color:var(--brand);line-height:1;transition:transform .18s ease}
.faq-item[open] summary{box-shadow:inset 3px 0 0 var(--brand)}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.faq-body p + p{margin-top:10px}

/* ---------- related ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-soft);padding:20px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C7DBFA;color:inherit}
.rel-card .rel-kicker{font-size:12.5px;font-weight:600;color:var(--brand-dark);background:var(--brand-soft);border-radius:999px;padding:3px 10px;display:inline-block}
.rel-card h3{font-size:17px;font-weight:600;color:var(--ink);margin:12px 0 8px}
.rel-card p{font-size:14px;line-height:1.75;color:var(--ink-2)}
.rel-card .link-more{margin-top:14px}
.rel-foot{margin-top:22px;font-size:14px;color:var(--ink-3)}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--brand-soft);border:1px solid #D3E4FF;border-radius:20px;
  padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;color:var(--ink);margin-bottom:8px}
.cta-band p{font-size:14.5px;color:var(--ink-2);line-height:1.75;max-width:620px}

/* ---------- footer ---------- */
.site-footer{background:#14213D;color:#C9D6EA;padding:56px 0 0;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700}
.footer-brand svg{width:34px;height:34px;flex:0 0 auto;border-radius:10px}
.footer-desc{margin-top:12px;font-size:14px;line-height:1.8;color:#93A5C0;max-width:320px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{font-size:14px;color:#A9BBD6}
.footer-col a:hover{color:var(--coral);text-decoration:underline}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0 22px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#8A9BB6}
.footer-bottom a{color:#A9BBD6}
.footer-bottom a:hover{color:var(--coral)}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:24px}
.modal.is-open{display:flex}
.modal-overlay{position:absolute;inset:0;background:rgba(20,33,61,.4)}
.modal-card{position:relative;width:100%;max-width:560px;max-height:88vh;overflow:auto;background:#fff;border-radius:20px;box-shadow:0 30px 80px rgba(20,33,61,.25);padding:28px}
.modal-card h2{font-size:22px;font-weight:700;color:var(--ink);margin-bottom:8px;padding-right:40px}
.modal-card .modal-lead{font-size:14px;line-height:1.75;color:var(--ink-2);margin-bottom:18px}
.modal-close{position:absolute;right:12px;top:12px;width:40px;height:40px;border:0;border-radius:10px;background:var(--surface-2);color:var(--ink-2);font-size:20px;line-height:1;cursor:pointer;transition:background-color .18s ease,color .18s ease}
.modal-close:hover{background:#E2ECFA;color:var(--ink)}
.field{margin-bottom:14px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px}
.req{color:var(--danger)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
input[type="text"],input[type="tel"],select,textarea{
  width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);
  padding:11px 13px;font-size:15px;font-family:inherit;line-height:1.5;
  transition:border-color .18s ease,box-shadow .18s ease;
}
textarea{min-height:92px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(46,107,230,.15)}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.7;color:var(--ink-2)}
.check input{width:18px;height:18px;flex:0 0 auto;margin-top:2px}
.privacy-note{margin-top:12px;font-size:12.5px;line-height:1.7;color:var(--ink-3)}
.privacy-note a{color:var(--brand-dark);text-decoration:underline}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-figure{max-width:620px}
  .split{grid-template-columns:1fr}
  .contact-card{position:static}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-list{
    display:none;position:absolute;left:0;right:0;top:calc(100% + 8px);
    grid-template-columns:1fr 1fr;gap:8px;
    background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);
    padding:12px;margin:0;
  }
  .nav-list.is-open{display:grid}
  .nav-link{width:100%;min-height:48px;padding:10px 12px;font-size:14.5px;background:var(--surface-2)}
  .nav-link.is-active{background:var(--brand-soft)}
  .nav-link.is-active::after{display:none}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .section-tight{padding:40px 0}
  .rule-row{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .cta-band{padding:24px;flex-direction:column;align-items:flex-start}
  .hero-badge{position:static;margin-top:16px;max-width:none}
  .brand-text em{display:none}
  .modal{padding:0;align-items:flex-end}
  .modal-card{max-width:100%;max-height:88vh;border-radius:20px 20px 0 0;padding:24px 20px 28px}
  .page-hero h1{font-size:32px}
  .footer-desc{max-width:none}
}
@media (max-width:640px){
  .brand-text strong{font-size:15px}
  .nav-actions .btn-sm{padding:0 12px;font-size:13px;height:38px}
  .field-row{grid-template-columns:1fr}
  .cta-band .btn{width:100%}
  .faq-item summary{font-size:16px;padding:16px 18px}
  .faq-body{padding:0 18px 18px}
  .panel,.compare-col,.rule-card,.contact-card{padding:20px}
  .footer-bottom{flex-direction:column}
  .hero-meta ul{gap:8px 18px}
  .topbar-links{gap:12px}
}