/* roulang page: index */
:root{
  --brand:#3F6F9E;
  --brand-dark:#345E86;
  --brand-soft:#E8F0F8;
  --accent:#D98C8C;
  --success:#6FA89A;
  --bg:#F7F9FB;
  --surface:#FFFFFF;
  --text:#1F2A37;
  --muted:#5B6675;
  --border:#E4E9F0;
  --radius-card:18px;
  --radius-btn:12px;
  --shadow:0 8px 24px rgba(31,56,85,.08);
  --shadow-hover:0 12px 32px rgba(31,56,85,.12);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:0;}
p{margin:0;}
::selection{background:var(--brand-soft);color:var(--brand-dark);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(63,111,158,.35);border-radius:8px;
}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-dark);
  background:var(--brand-soft);
  border-radius:999px;
  padding:6px 14px;
}
.eyebrow i{font-size:11px;color:var(--accent);}
.h1-title{font-size:50px;font-weight:700;line-height:1.22;color:var(--text);}
.h2-title{font-size:33px;font-weight:700;line-height:1.28;color:var(--text);}
.h3-title{font-size:23px;font-weight:600;line-height:1.35;}
.lead{font-size:18px;line-height:1.8;color:var(--muted);}
.muted{color:var(--muted);}
.small{font-size:14px;}
.tiny{font-size:13px;}

/* Dock 导航 */
.dock-wrap{
  position:fixed;top:16px;left:0;right:0;z-index:80;
  display:flex;justify-content:center;
  padding:0 20px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:100%;max-width:1120px;
  height:70px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--border);
  border-radius:999px;
  box-shadow:var(--shadow);
  padding:0 12px 0 22px;
  transition:box-shadow .18s ease, background .18s ease;
}
.dock.scrolled{box-shadow:var(--shadow-hover);background:rgba(255,255,255,.97);}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;letter-spacing:.02em;
}
.logo-text{font-size:17px;font-weight:700;color:var(--text);white-space:nowrap;}
.logo-text span{color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center;}
.nav-links a{
  font-size:14.5px;font-weight:500;color:var(--muted);
  padding:9px 14px;border-radius:999px;
  transition:color .18s ease, background .18s ease;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--brand-dark);background:var(--brand-soft);}
.nav-links a.active{color:var(--brand-dark);background:var(--brand-soft);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  border:1px solid var(--border);background:#fff;color:var(--muted);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all .18s ease;
}
.icon-btn:hover{color:var(--brand);border-color:#C9D8E8;background:var(--brand-soft);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);
  font-weight:600;font-size:15px;
  padding:12px 22px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(63,111,158,.22);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(63,111,158,.28);}
.btn-ghost{background:#fff;color:var(--brand-dark);border-color:#CFDDEB;}
.btn-ghost:hover{background:var(--brand-soft);border-color:#B9CFE4;transform:translateY(-1px);}
.btn-text{background:transparent;color:var(--brand-dark);padding:8px 4px;}
.btn-text:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px;}
.dock-cta{padding:10px 20px;font-size:14.5px;}
.burger{display:none;}
.mobile-panel{
  display:none;
  position:fixed;top:96px;left:20px;right:20px;z-index:79;
  background:#fff;border:1px solid var(--border);border-radius:20px;
  box-shadow:var(--shadow-hover);padding:18px;
}
.mobile-panel.open{display:block;}
.mobile-panel a{
  display:block;padding:12px 14px;border-radius:12px;
  font-size:15.5px;color:var(--text);font-weight:500;
}
.mobile-panel a:hover,.mobile-panel a.active{background:var(--brand-soft);color:var(--brand-dark);}
.mobile-panel .btn{width:100%;margin-top:10px;}

/* Hero */
.hero{
  position:relative;
  padding:150px 0 84px;
  background:linear-gradient(180deg,#F3F7FB 0%, #F7F9FB 100%);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(63,111,158,.10) 0%,rgba(63,111,158,0) 68%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:2;}
.hero h1{margin:18px 0 20px;}
.hero-sub{font-size:19px;line-height:1.8;color:var(--muted);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.trust-points{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:34px;}
.trust-points li{display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--muted);}
.trust-points i{color:var(--success);font-size:13px;}
.hero-visual{position:relative;}
.hero-img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:20px;box-shadow:var(--shadow-hover);
  border:1px solid rgba(255,255,255,.7);
}
.float-card{
  position:absolute;left:-22px;bottom:34px;
  background:#fff;border:1px solid var(--border);border-radius:16px;
  box-shadow:var(--shadow-hover);padding:16px 20px;display:flex;gap:16px;align-items:center;
}
.float-card .num{font-size:26px;font-weight:700;color:var(--brand-dark);line-height:1.1;}
.float-card .label{font-size:13px;color:var(--muted);}
.float-divider{width:1px;height:34px;background:var(--border);}

/* 信任条 */
.trustbar{
  background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  padding:28px 0;
}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.trust-item{display:flex;align-items:center;gap:14px;}
.trust-ico{
  width:46px;height:46px;border-radius:14px;background:var(--brand-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-size:17px;flex:0 0 auto;
}
.trust-item h4{font-size:16px;font-weight:600;margin-bottom:2px;}
.trust-item p{font-size:13.5px;color:var(--muted);}

/* 三步上手 */
.steps{position:relative;}
.steps-line{
  position:absolute;top:34px;left:8%;right:8%;height:2px;
  background:repeating-linear-gradient(90deg,#D8E3EF 0 10px,transparent 10px 20px);
  z-index:0;
}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;position:relative;z-index:1;}
.step{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:32px 28px;box-shadow:var(--shadow);
  transition:transform .18s ease, box-shadow .18s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.step-num{
  width:56px;height:56px;border-radius:999px;background:#fff;border:2px solid var(--brand-soft);
  color:var(--brand-dark);font-weight:700;font-size:18px;
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
}
.step h3{font-size:21px;margin-bottom:10px;}
.step p{font-size:15.5px;color:var(--muted);line-height:1.75;}
.step .btn-text{margin-top:14px;font-size:14.5px;}

/* 服务价值 深浅交替 */
.value-band{
  background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.value-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.value-list{margin-top:28px;display:grid;gap:20px;}
.value-list li{display:flex;gap:16px;}
.value-list .ico{
  width:42px;height:42px;border-radius:12px;background:var(--brand-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;font-size:15px;
}
.value-list h4{font-size:17.5px;font-weight:600;margin-bottom:5px;}
.value-list p{font-size:15px;color:var(--muted);}
.band-img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:20px;box-shadow:var(--shadow);}

/* 案例证明 */
.case-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:28px;align-items:stretch;}
.case-main{
  background:#fff;border:1px solid var(--border);border-radius:20px;overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column;
}
.case-main img{width:100%;height:320px;object-fit:cover;}
.case-main-body{padding:28px 30px 32px;}
.case-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px;}
.metric{border-left:3px solid var(--brand-soft);padding-left:14px;}
.metric .num{font-size:26px;font-weight:700;color:var(--brand-dark);line-height:1.2;}
.metric .lbl{font-size:13px;color:var(--muted);}
.case-side{display:grid;gap:28px;grid-template-rows:1fr 1fr;}
.case-card{
  background:#fff;border:1px solid var(--border);border-radius:18px;padding:24px 26px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;
  transition:transform .18s ease, box-shadow .18s ease;
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.case-card h4{font-size:18px;}
.case-card p{font-size:14.5px;color:var(--muted);line-height:1.72;}
.case-card .meta{font-size:13px;color:var(--brand-dark);display:flex;align-items:center;gap:8px;}
.quote-block{
  margin-top:32px;background:var(--brand-soft);border-radius:18px;padding:28px 32px;
  display:flex;gap:20px;align-items:flex-start;
}
.quote-block i{color:var(--accent);font-size:20px;margin-top:4px;}
.quote-block p{font-size:16.5px;line-height:1.8;color:var(--brand-dark);}
.quote-block span{display:block;margin-top:10px;font-size:13.5px;color:var(--muted);}

/* 最新信息 */
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:40px;}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.post-card{
  background:#fff;border:1px solid var(--border);border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .18s ease, box-shadow .18s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.post-thumb{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--brand-soft);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:12.5px;font-weight:600;border-radius:999px;padding:5px 12px;
}
.post-body h3{font-size:18.5px;margin:12px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body p{font-size:14.5px;color:var(--muted);line-height:1.72;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-foot{margin-top:18px;padding-top:14px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);}
.post-foot .arrow{color:var(--brand);font-weight:600;}
.empty-state{
  background:#fff;border:1px dashed #CFDDEB;border-radius:16px;
  padding:48px 24px;text-align:center;color:var(--muted);font-size:15.5px;
}
.empty-state i{display:block;font-size:26px;color:#B9CFE4;margin-bottom:12px;}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  box-shadow:var(--shadow);overflow:hidden;
}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:18px;
  padding:20px 24px;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand-dark);}
.faq-q .sign{
  flex:0 0 auto;width:28px;height:28px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .18s ease, background .18s ease;
}
.faq-item.open .faq-q .sign{background:var(--brand);color:#fff;transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a-inner{padding:0 24px 22px;font-size:15.5px;line-height:1.8;color:var(--muted);}

/* CTA */
.cta-band{padding:88px 0;}
.cta-card{
  background:linear-gradient(180deg,#FFFFFF 0%, #F4F8FC 100%);
  border:1px solid #CFDDEB;border-radius:24px;
  box-shadow:var(--shadow);padding:52px;display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
.form-card{
  background:#fff;border:1px solid var(--border);border-radius:18px;padding:26px;
  box-shadow:var(--shadow);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;height:46px;border:1px solid #D8E0EA;border-radius:10px;
  padding:0 14px;background:#fff;font-size:15px;color:var(--text);
  transition:border-color .18s ease, box-shadow .18s ease;
}
.field textarea{height:88px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(63,111,158,.18);outline:none;
}
.field-note{font-size:12.5px;color:var(--muted);margin-top:10px;}

/* 页脚 */
footer{background:#EEF2F7;border-top:1px solid var(--border);padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-top:16px;max-width:320px;}
.foot-title{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text);}
.foot-links{display:grid;gap:10px;}
.foot-links a{font-size:14.5px;color:var(--muted);transition:color .18s ease;}
.foot-links a:hover{color:var(--brand);}
.foot-contact li{font-size:14.5px;color:var(--muted);margin-bottom:10px;display:flex;gap:10px;align-items:flex-start;}
.foot-contact i{color:var(--brand);margin-top:5px;font-size:13px;}
.foot-bottom{
  margin-top:52px;border-top:1px solid var(--border);padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:var(--muted);
}

/* 响应式 */
@media (max-width:1280px){
  .h1-title{font-size:46px;}
  .container{padding-left:28px;padding-right:28px;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .burger{display:flex;}
  .dock{height:64px;border-radius:22px;padding:0 10px 0 16px;}
  .hero{padding:132px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .h1-title{font-size:40px;}
  .h2-title{font-size:29px;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .steps-grid{grid-template-columns:1fr;gap:20px;}
  .steps-line{display:none;}
  .value-grid{grid-template-columns:1fr;gap:36px;}
  .case-grid{grid-template-columns:1fr;}
  .case-side{grid-template-rows:auto;grid-template-columns:1fr 1fr;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .cta-card{grid-template-columns:1fr;padding:36px;gap:32px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{font-size:16.5px;}
  .section{padding:64px 0;}
  .section-sm{padding:48px 0;}
  .container{padding-left:20px;padding-right:20px;}
  .hero{padding:120px 0 56px;}
  .h1-title{font-size:35px;}
  .h2-title{font-size:26px;}
  .hero-sub{font-size:17px;}
  .hero-actions .btn{flex:1 1 auto;}
  .float-card{left:-8px;bottom:-16px;padding:14px 16px;gap:12px;}
  .float-card .num{font-size:22px;}
  .trust-grid{grid-template-columns:1fr;gap:18px;}
  .post-grid{grid-template-columns:1fr;}
  .case-side{grid-template-columns:1fr;}
  .case-main img{height:230px;}
  .case-metrics{grid-template-columns:1fr 1fr;}
  .quote-block{flex-direction:column;gap:12px;padding:24px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .cta-card{padding:26px;border-radius:20px;}
  .cta-actions .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .h1-title{font-size:31px;}
  .h2-title{font-size:23px;}
  .h3-title{font-size:20px;}
  .logo-text{font-size:15.5px;}
  .trust-points{gap:10px 16px;}
  .trust-points li{font-size:13.5px;}
}

/* roulang page: article */
:root{
  --brand:#3F6F9E;
  --brand-dark:#345E86;
  --brand-soft:#E8F0F8;
  --accent:#D98C8C;
  --accent-soft:#FBEDED;
  --success:#6FA89A;
  --bg:#F7F9FB;
  --surface:#FFFFFF;
  --text:#1F2A37;
  --muted:#5B6675;
  --border:#E4E9F0;
  --shadow:0 8px 24px rgba(31,56,85,.08);
  --shadow-hover:0 12px 32px rgba(31,56,85,.12);
  --radius-card:20px;
  --radius-btn:12px;
  --container:1240px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;}

/* 阅读进度 */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:90;
  background:linear-gradient(90deg,var(--brand),var(--accent));transition:width .1s linear;}

/* 浮动 Dock 导航 */
.site-head{position:fixed;top:0;left:0;right:0;z-index:70;padding:16px 24px 0;}
.dock{
  max-width:1120px;margin:0 auto;height:68px;display:flex;align-items:center;gap:18px;
  padding:0 16px 0 18px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);
  border:1px solid var(--border);border-radius:999px;box-shadow:var(--shadow);
  transition:box-shadow .22s ease;
}
.dock.scrolled{box-shadow:0 12px 30px rgba(31,56,85,.14);}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;border-radius:12px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:17px;letter-spacing:.5px;
}
.logo-text{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.2px;white-space:nowrap;}
.logo-text span{color:var(--brand);font-weight:600;margin-left:2px;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-links a{
  padding:8px 14px;border-radius:999px;font-size:15px;color:var(--muted);font-weight:500;white-space:nowrap;
}
.nav-links a:hover{color:var(--brand);background:var(--brand-soft);}
.nav-links a.active{color:var(--brand-dark);background:var(--brand-soft);font-weight:600;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--border);background:#fff;
  color:var(--muted);display:grid;place-items:center;transition:all .18s ease;
}
.icon-btn:hover{color:var(--brand);border-color:#CFDCEA;background:var(--brand-soft);}
.icon-btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(63,111,158,.35);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;
  border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;
  transition:all .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(63,111,158,.22);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(63,111,158,.28);}
.btn-ghost{background:#fff;color:var(--brand);border-color:#CFDCEA;}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(63,111,158,.35);}
.btn:active{transform:translateY(0);}
.dock-cta{height:40px;padding:0 18px;font-size:14px;}
.burger{display:none;}
.mobile-panel{
  display:none;max-width:1120px;margin:10px auto 0;background:#fff;border:1px solid var(--border);
  border-radius:20px;box-shadow:var(--shadow);padding:12px;
}
.mobile-panel.open{display:block;}
.mobile-panel a{display:block;padding:12px 14px;border-radius:12px;color:var(--muted);font-weight:500;font-size:15px;}
.mobile-panel a:hover,.mobile-panel a.active{background:var(--brand-soft);color:var(--brand-dark);}
.mobile-panel .btn{margin-top:8px;width:100%;}

/* 页面主体 */
.page{padding-top:112px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:20px;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#B9C4D2;}
.crumb .now{color:var(--text);font-weight:500;}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;}
.main-col{min-width:0;}

.article-head{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow);padding:38px 42px 34px;
}
.head-top{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:600;
}
.badge-accent{background:var(--accent-soft);color:#B56A6A;}
.badge-jade{background:#E9F3F1;color:#3F7A6C;}
.article-title{font-size:clamp(28px,3.6vw,44px);font-weight:700;line-height:1.28;letter-spacing:.2px;}
.meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:18px;font-size:14px;color:var(--muted);}
.meta span{display:inline-flex;align-items:center;gap:7px;}
.meta i{color:var(--brand);}

.cover{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--shadow);margin:28px 0 0;background:#fff;}
.cover img{width:100%;aspect-ratio:21/9;object-fit:cover;}

.article-body{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow);padding:40px 44px;margin-top:28px;font-size:17px;line-height:1.9;color:var(--text);
}
.article-body p{margin:0 0 1.2em;}
.article-body h2{font-size:28px;font-weight:600;margin:1.6em 0 .7em;padding-bottom:.35em;border-bottom:1px solid var(--border);}
.article-body h3{font-size:22px;font-weight:600;margin:1.4em 0 .6em;}
.article-body h4{font-size:18px;font-weight:600;margin:1.2em 0 .5em;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(63,111,158,.35);}
.article-body a:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark);}
.article-body img{border-radius:16px;margin:1.5em 0;width:100%;}
.article-body blockquote{
  margin:1.5em 0;padding:16px 22px;background:#F3F7FB;border-left:4px solid var(--brand);
  border-radius:0 12px 12px 0;color:var(--muted);font-size:16px;
}
.article-body ul{list-style:none;padding-left:0;margin:1em 0;}
.article-body ul li{position:relative;padding-left:22px;margin:.5em 0;}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.75em;width:7px;height:7px;border-radius:50%;background:var(--brand);
}
.article-body ol{padding-left:1.5em;margin:1em 0;}
.article-body ol li{margin:.5em 0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left;}
.article-body th{background:#F3F7FB;font-weight:600;}
.article-body code{background:#F3F7FB;border-radius:6px;padding:2px 6px;font-size:14.5px;color:var(--brand-dark);}
.article-body pre{background:#F3F7FB;border:1px solid var(--border);border-radius:12px;padding:16px;overflow-x:auto;}
.article-body hr{border:none;border-top:1px solid var(--border);margin:2em 0;}

.empty-state{text-align:center;padding:24px 0;}
.empty-state h2{font-size:24px;border:none;margin-bottom:10px;padding:0;}
.empty-state p{color:var(--muted);margin-bottom:22px;}

/* 上一篇 / 下一篇 */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px;}
.post-nav a{
  background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px 20px;
  box-shadow:var(--shadow);transition:all .18s ease;display:block;
}
.post-nav a:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#CFDCEA;}
.post-nav .label{display:block;font-size:13px;color:var(--accent);font-weight:600;margin-bottom:6px;}
.post-nav .txt{font-size:15.5px;font-weight:600;color:var(--text);line-height:1.6;}
.post-nav .next{text-align:right;}

/* 侧栏 */
.sidebar{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow);padding:24px;
}
.side-title{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-title i{color:var(--brand);font-size:15px;}
.side-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.side-links{display:flex;flex-direction:column;gap:4px;margin-top:6px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:12px;font-size:14.5px;color:var(--muted);
}
.side-links a:hover{background:var(--brand-soft);color:var(--brand-dark);}
.side-links a i{font-size:12px;color:#B9C4D2;}
.side-card .btn{width:100%;margin-top:16px;}
.side-list{list-style:none;display:flex;flex-direction:column;gap:12px;margin-top:4px;}
.side-list li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);line-height:1.7;}
.side-list i{color:var(--success);margin-top:5px;}

/* 相关推荐 */
.related-section{padding:72px 0 0;}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px;}
.sec-head h2{font-size:30px;font-weight:700;}
.sec-head .sub{font-size:15px;color:var(--muted);margin-top:8px;}
.sec-head .more{font-size:14.5px;color:var(--brand);font-weight:600;}
.sec-head .more:hover{color:var(--brand-dark);}
.rec-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow);transition:all .18s ease;height:100%;display:flex;flex-direction:column;
}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.rec-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.rec-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.rec-body h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:10px;}
.rec-body p{font-size:14.5px;color:var(--muted);line-height:1.75;flex:1;}
.rec-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;}
.rec-foot .arrow{color:var(--brand);font-size:14px;font-weight:600;}
.rec-card:hover .arrow{color:var(--brand-dark);}

/* CTA */
.cta-section{padding:72px 0 0;}
.cta-band{
  background:linear-gradient(180deg,#F3F7FB 0%,#E8F0F8 100%);
  border:1px solid #D8E5F1;border-radius:24px;padding:52px 48px;
  display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;
}
.cta-band h2{font-size:32px;font-weight:700;margin-bottom:14px;}
.cta-band p{font-size:16px;color:var(--muted);line-height:1.85;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.cta-side{background:#fff;border:1px solid var(--border);border-radius:20px;padding:24px;box-shadow:var(--shadow);}
.cta-side .row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px dashed var(--border);font-size:14.5px;color:var(--muted);}
.cta-side .row:last-child{border-bottom:none;}
.cta-side .row i{color:var(--brand);width:18px;text-align:center;}

/* 页脚 */
footer{background:#EEF2F7;border-top:1px solid var(--border);margin-top:88px;padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.4fr;gap:40px;}
.foot-brand p{margin-top:16px;font-size:14.5px;color:var(--muted);line-height:1.85;max-width:340px;}
.foot-title{font-size:15px;font-weight:700;margin-bottom:16px;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:14.5px;color:var(--muted);}
.foot-links a:hover{color:var(--brand);}
.foot-contact{list-style:none;display:flex;flex-direction:column;gap:12px;}
.foot-contact li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);line-height:1.7;}
.foot-contact i{color:var(--brand);margin-top:5px;}
.foot-bottom{
  margin-top:48px;border-top:1px solid var(--border);padding:20px 0 24px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13.5px;color:var(--muted);
}

/* 响应式 */
@media (max-width:1280px){
  .container{padding:0 28px;}
}
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr;gap:28px;}
  .sidebar{position:static;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-links a{padding:8px 11px;font-size:14.5px;}
}
@media (max-width:860px){
  .nav-links{display:none;}
  .burger{display:grid;}
  .dock-cta{display:none;}
  .site-head{padding:12px 16px 0;}
  .dock{height:62px;padding:0 12px 0 14px;}
  .page{padding-top:100px;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .article-head{padding:26px 22px;}
  .article-body{padding:26px 22px;font-size:16px;}
  .article-body h2{font-size:23px;}
  .article-body h3{font-size:19px;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav .next{text-align:left;}
  .related-section,.cta-section{padding-top:52px;}
  .sec-head h2{font-size:24px;}
  .cta-band{padding:32px 22px;border-radius:20px;}
  .cta-band h2{font-size:25px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;}
  footer{margin-top:60px;padding-top:48px;}
}

/* roulang page: category1 */
:root{
  --brand:#3F6F9E;
  --brand-dark:#345E86;
  --brand-soft:#E8F0F8;
  --accent:#D98C8C;
  --success:#6FA89A;
  --bg:#F7F9FB;
  --surface:#FFFFFF;
  --text:#1F2A37;
  --muted:#5B6675;
  --border:#E4E9F0;
  --radius-card:18px;
  --radius-btn:12px;
  --shadow:0 8px 24px rgba(31,56,85,.08);
  --shadow-hover:0 12px 32px rgba(31,56,85,.12);
  --ring:0 0 0 4px rgba(63,111,158,.18);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{font-weight:650;line-height:1.25;color:var(--text);margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:8px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.site-main{padding-top:112px;}

/* ---------- 浮动 Dock 导航 ---------- */
.dock{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:calc(100% - 40px);
  max-width:1120px;
  height:70px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:0 12px 0 20px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--border);
  border-radius:999px;
  box-shadow:0 8px 24px rgba(31,56,85,.08);
  z-index:60;
  transition:box-shadow .22s ease, top .22s ease;
}
.dock.scrolled{box-shadow:0 12px 32px rgba(31,56,85,.16);top:12px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;font-size:19px;font-weight:700;
  box-shadow:0 6px 14px rgba(63,111,158,.28);
}
.logo-text{font-size:18px;font-weight:700;color:var(--text);letter-spacing:.01em;}
.logo-text span{color:var(--brand);font-weight:600;margin-left:2px;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-links a{
  display:inline-block;
  padding:9px 15px;
  font-size:15px;
  color:var(--muted);
  border-radius:999px;
  transition:background .18s ease,color .18s ease;
  white-space:nowrap;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-links a.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:8px;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  border:1px solid var(--border);background:#fff;color:var(--muted);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:15px;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:#CFDDEC;transform:translateY(-1px);}
.icon-btn:active{transform:translateY(0);}
.burger{display:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;
  font-size:15px;font-weight:600;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(63,111,158,.22);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(63,111,158,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(63,111,158,.22);}
.btn-ghost{background:#fff;color:var(--brand-dark);border-color:#CFDDEC;}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:#BFD2E6;transform:translateY(-1px);}
.dock-cta{padding:11px 22px;}
.nav-panel{
  position:fixed;left:20px;right:20px;top:96px;
  background:#fff;border:1px solid var(--border);border-radius:20px;
  box-shadow:0 18px 44px rgba(31,56,85,.16);
  padding:14px;z-index:59;display:none;
}
.nav-panel.open{display:block;}
.nav-panel a{
  display:block;padding:12px 14px;border-radius:12px;
  font-size:16px;color:var(--text);
}
.nav-panel a:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-panel a.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}
.nav-panel .btn{width:100%;margin-top:10px;}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--muted);
  padding-top:22px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#B9C3D0;}
.crumb .current{color:var(--text);font-weight:600;}

/* ---------- Hero ---------- */
.hero{
  margin-top:22px;
  background:#F3F7FB;
  border:1px solid var(--border);
  border-radius:28px;
  padding:56px 48px;
  overflow:hidden;
  position:relative;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--border);
  color:var(--brand-dark);font-size:13px;font-weight:600;
  padding:7px 14px;border-radius:999px;margin-bottom:20px;
}
.eyebrow i{color:var(--accent);}
h1.hero-title{
  font-size:48px;font-weight:700;letter-spacing:-.01em;
  margin-bottom:18px;
}
h1.hero-title em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:19px;color:var(--muted);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:22px;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
.hero-points i{color:var(--success);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;height:340px;object-fit:cover;
  border-radius:20px;box-shadow:var(--shadow);
}
.floating-card{
  position:absolute;left:-18px;bottom:-22px;
  background:#fff;border:1px solid var(--border);border-radius:16px;
  box-shadow:var(--shadow-hover);
  padding:16px 20px;min-width:190px;
}
.floating-card .num{font-size:26px;font-weight:700;color:var(--brand);line-height:1.2;}
.floating-card .lab{font-size:13px;color:var(--muted);}

/* ---------- 通用板块 ---------- */
.section{padding:84px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-tag{
  display:inline-block;font-size:13px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:6px 14px;margin-bottom:16px;
  letter-spacing:.04em;
}
h2.section-title{font-size:34px;margin-bottom:16px;}
.section-desc{font-size:17px;color:var(--muted);}

/* ---------- 信任条 ---------- */
.trust-bar{
  background:#fff;border:1px solid var(--border);border-radius:20px;
  box-shadow:var(--shadow);
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;overflow:hidden;
}
.trust-item{padding:26px 26px;border-right:1px solid var(--border);}
.trust-item:last-child{border-right:none;}
.trust-item i{font-size:18px;color:var(--brand);}
.trust-item .t-title{font-size:16px;font-weight:650;margin:12px 0 6px;}
.trust-item .t-desc{font-size:14px;color:var(--muted);line-height:1.65;}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;}
.step{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:30px 26px;box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.step-num{
  width:44px;height:44px;border-radius:14px;
  background:var(--brand-soft);color:var(--brand-dark);
  font-weight:700;font-size:16px;
  display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.step h3{font-size:20px;margin-bottom:10px;}
.step p{font-size:15px;color:var(--muted);margin-bottom:14px;}
.step a{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}

/* ---------- 时间线区块 ---------- */
.timeline-layout{display:grid;grid-template-columns:3fr 9fr;gap:32px;align-items:start;}
.filter-card{
  position:sticky;top:104px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow);padding:24px;
}
.filter-card h3{font-size:17px;margin-bottom:16px;}
.filter-list li{margin-bottom:6px;}
.filter-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 14px;border-radius:12px;font-size:15px;color:var(--muted);
}
.filter-list a:hover{background:var(--brand-soft);color:var(--brand-dark);}
.filter-list a.on{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}
.filter-list .count{font-size:13px;color:#93A0B0;}
.filter-note{
  margin-top:20px;padding-top:18px;border-top:1px dashed var(--border);
  font-size:13px;color:var(--muted);line-height:1.7;
}
.filter-note strong{color:var(--text);}

.timeline{position:relative;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--brand-soft),#DCE6F1);
}
.tl-item{position:relative;margin-bottom:20px;}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:28px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.tl-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px 28px;box-shadow:var(--shadow);
  display:grid;grid-template-columns:120px 1fr;gap:24px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#CFDDEC;}
.tl-date{font-size:14px;color:var(--muted);font-weight:600;letter-spacing:.02em;}
.tl-date span{display:block;font-size:13px;font-weight:400;color:#93A0B0;margin-top:4px;}
.tl-body h3{font-size:19px;margin-bottom:10px;}
.tl-body h3 a{color:var(--text);}
.tl-body h3 a:hover{color:var(--brand);}
.tl-body p{font-size:15px;color:var(--muted);margin-bottom:14px;}
.tl-foot{display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between;}
.tl-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;border-radius:999px;padding:5px 12px;
  background:var(--brand-soft);color:var(--brand-dark);
}
.badge.pink{background:#FBEDED;color:#B76767;}
.badge.green{background:#EAF3F0;color:#4E8A7C;}
.pager{display:flex;align-items:center;gap:10px;margin-top:28px;padding-left:26px;}
.pager a,.pager span{
  min-width:40px;height:40px;padding:0 14px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--border);font-size:14px;color:var(--muted);
}
.pager a:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:#CFDDEC;}
.pager .now{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}

/* ---------- 保障深色区块 ---------- */
.assure{
  position:relative;border-radius:28px;overflow:hidden;
  padding:64px 52px;color:#fff;
  background-image:linear-gradient(120deg,rgba(31,56,85,.92),rgba(52,94,134,.86)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.assure h2{color:#fff;font-size:32px;margin-bottom:14px;}
.assure .lead{color:rgba(255,255,255,.82);max-width:680px;margin-bottom:36px;font-size:17px;}
.assure-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.assure-item{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  border-radius:16px;padding:24px;
}
.assure-item i{font-size:18px;color:#F2C9C9;}
.assure-item h3{color:#fff;font-size:18px;margin:14px 0 10px;}
.assure-item p{color:rgba(255,255,255,.78);font-size:14.5px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  margin-bottom:12px;box-shadow:var(--shadow);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:20px 26px;font-size:17px;font-weight:600;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .ic{
  flex:0 0 auto;width:28px;height:28px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:600;transition:transform .18s ease,background .18s ease;
}
.faq-item summary .ic::after{content:"+";line-height:1;}
.faq-item[open] summary .ic{background:var(--brand);color:#fff;}
.faq-item[open] summary .ic::after{content:"−";}
.faq-item .ans{
  padding:0 26px 22px;font-size:15.5px;color:var(--muted);line-height:1.75;
  border-top:1px solid transparent;
}
.faq-item[open] .ans{border-top-color:var(--border);padding-top:18px;}

/* ---------- CTA / 表单 ---------- */
.cta-card{
  background:#fff;border:1px solid #CFDDEC;border-radius:26px;
  box-shadow:var(--shadow);overflow:hidden;
  display:grid;grid-template-columns:6fr 5fr;
}
.cta-left{padding:52px 46px;}
.cta-left h2{font-size:32px;margin-bottom:16px;}
.cta-left p{color:var(--muted);margin-bottom:26px;font-size:17px;}
.cta-points{display:grid;gap:12px;margin-bottom:28px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--muted);}
.cta-points i{color:var(--success);margin-top:5px;}
.cta-form{
  background:#F3F7FB;border-left:1px solid var(--border);
  padding:44px 40px;
}
.cta-form h3{font-size:20px;margin-bottom:8px;}
.cta-form .hint{font-size:14px;color:var(--muted);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;
  font-size:15px;font-family:inherit;color:var(--text);
  background:#fff;border:1px solid #D8E0EA;border-radius:10px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.6;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(63,111,158,.14);
}
.field .err{display:none;font-size:13px;color:#D9534F;margin-top:6px;}
.field.invalid input,.field.invalid select{border-color:#D9534F;}
.field.invalid .err{display:block;}
.form-tip{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.65;}
.form-ok{
  display:none;margin-top:16px;padding:14px 16px;border-radius:12px;
  background:#EAF3F0;border:1px solid #CDE3DC;color:#3F7C6D;font-size:14.5px;
}
.form-ok.show{display:block;}

/* ---------- 页脚 ---------- */
footer{
  background:#EEF2F7;border-top:1px solid var(--border);
  margin-top:40px;padding:64px 0 26px;
}
.foot-grid{display:grid;grid-template-columns:4fr 2fr 2fr 3fr;gap:36px;}
.foot-brand p{font-size:14.5px;color:var(--muted);margin-top:18px;max-width:330px;line-height:1.75;}
.foot-title{font-size:15px;font-weight:650;margin-bottom:16px;}
.foot-links{display:grid;gap:10px;}
.foot-links a{font-size:14.5px;color:var(--muted);}
.foot-links a:hover{color:var(--brand);}
.foot-contact{display:grid;gap:12px;}
.foot-contact li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);align-items:flex-start;}
.foot-contact i{color:var(--brand);margin-top:5px;}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid #DFE6EF;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:#7B8798;
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-links a{padding:9px 11px;font-size:14.5px;}
}
@media (max-width:1024px){
  .container{padding-left:24px;padding-right:24px;}
  h1.hero-title{font-size:40px;}
  .hero{padding:44px 32px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual img{height:300px;}
  .floating-card{left:auto;right:16px;bottom:-18px;}
  .trust-bar{grid-template-columns:repeat(2,1fr);}
  .trust-item:nth-child(2){border-right:none;}
  .trust-item:nth-child(1),.trust-item:nth-child(2){border-bottom:1px solid var(--border);}
  .steps{grid-template-columns:1fr;}
  .timeline-layout{grid-template-columns:1fr;}
  .filter-card{position:static;}
  .assure{padding:48px 32px;}
  .assure-grid{grid-template-columns:1fr;}
  .cta-card{grid-template-columns:1fr;}
  .cta-form{border-left:none;border-top:1px solid var(--border);}
  .foot-grid{grid-template-columns:repeat(2,1fr);}
  .nav-links{display:none;}
  .burger{display:inline-flex;}
  .section{padding:64px 0;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .site-main{padding-top:96px;}
  .dock{height:64px;padding:0 10px 0 14px;}
  .dock-cta{display:none;}
  .logo-text{font-size:16.5px;}
  h1.hero-title{font-size:34px;}
  .hero-sub{font-size:17px;}
  h2.section-title{font-size:28px;}
  .section{padding:52px 0;}
  .tl-card{grid-template-columns:1fr;gap:12px;padding:20px 22px;}
  .tl-item::before{top:24px;}
  .timeline{padding-left:20px;}
  .tl-item::before{left:-20px;}
  .pager{padding-left:20px;}
  .cta-left{padding:36px 26px;}
  .cta-form{padding:32px 24px;}
  .assure{border-radius:22px;padding:40px 24px;}
  .hero{border-radius:22px;padding:34px 22px;}
  .hero-visual img{height:230px;}
  .floating-card{position:static;margin-top:16px;bottom:auto;}
  .hero-actions .btn{width:100%;}
  .trust-bar{grid-template-columns:1fr;}
  .trust-item{border-right:none;border-bottom:1px solid var(--border);}
  .trust-item:last-child{border-bottom:none;}
}
@media (max-width:520px){
  .container{padding-left:20px;padding-right:20px;}
  h1.hero-title{font-size:30px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
    --brand:#3F6F9E;
    --brand-dark:#345E86;
    --brand-soft:#E8F0F8;
    --accent:#D98C8C;
    --accent-soft:#FBEDED;
    --success:#6FA89A;
    --success-soft:#EAF4F1;
    --bg:#F7F9FB;
    --surface:#FFFFFF;
    --text:#1F2A37;
    --muted:#5B6675;
    --border:#E4E9F0;
    --shadow:0 8px 24px rgba(31,56,85,.08);
    --shadow-hover:0 12px 32px rgba(31,56,85,.12);
    --r-card:18px;
    --r-btn:12px;
    --r-pill:999px;
    --max:1240px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    background:var(--bg);
    color:var(--text);
    font-size:17px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    padding-top:104px;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit;cursor:pointer;border:0;background:none}
  ul{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;letter-spacing:0}
  p{margin:0}
  .container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px}
  .section{padding:92px 0}
  .section-tight{padding:64px 0}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;letter-spacing:.04em;
    color:var(--brand);background:var(--brand-soft);
    padding:6px 14px;border-radius:var(--r-pill);
  }
  .sec-title{font-size:clamp(26px,3vw,34px);color:var(--text);margin-top:18px}
  .sec-sub{color:var(--muted);font-size:16px;margin-top:12px;max-width:720px}

  /* ---------- 浮动 Dock 导航 ---------- */
  .dock{
    position:fixed;top:18px;left:50%;transform:translateX(-50%);
    width:calc(100% - 40px);max-width:1120px;height:70px;
    display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:0 16px 0 20px;
    background:rgba(255,255,255,.92);
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    border:1px solid var(--border);border-radius:var(--r-pill);
    box-shadow:var(--shadow);
    z-index:80;transition:box-shadow .18s ease,background .18s ease;
  }
  .dock.scrolled{box-shadow:var(--shadow-hover);background:rgba(255,255,255,.97)}
  .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .logo-mark{
    width:38px;height:38px;border-radius:12px;background:var(--brand);color:#fff;
    display:grid;place-items:center;font-weight:700;font-size:17px;
    box-shadow:0 6px 16px rgba(63,111,158,.28);flex:0 0 auto;
  }
  .logo-text{font-weight:700;font-size:18px;color:var(--text);white-space:nowrap}
  .logo-text span{color:var(--brand)}
  .nav-links{display:flex;align-items:center;gap:4px}
  .nav-links a{
    padding:9px 14px;border-radius:var(--r-pill);font-size:15px;color:var(--muted);
    transition:color .18s ease,background .18s ease;white-space:nowrap;
  }
  .nav-links a:hover{color:var(--brand);background:var(--brand-soft)}
  .nav-links a.active{color:var(--brand-dark);background:var(--brand-soft);font-weight:600}
  .nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .icon-btn{
    width:40px;height:40px;border-radius:var(--r-pill);
    border:1px solid var(--border);background:#fff;color:var(--muted);
    display:grid;place-items:center;transition:all .18s ease;
  }
  .icon-btn:hover{color:var(--brand);border-color:#C9D9E8;box-shadow:var(--shadow)}
  .icon-btn:active{transform:translateY(1px)}
  .burger{display:none}
  .dock-cta{padding:10px 18px;font-size:14px}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
    border:1px solid transparent;transition:all .18s ease;cursor:pointer;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(63,111,158,.24)}
  .btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(63,111,158,.3)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:#fff;border-color:var(--border);color:var(--brand-dark)}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);box-shadow:var(--shadow)}
  .btn-block{width:100%}
  a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
    outline:none;box-shadow:0 0 0 3px rgba(63,111,158,.35);border-radius:var(--r-btn);
  }

  /* ---------- 面包屑 ---------- */
  .crumbs{padding:22px 0 0}
  .crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
  .crumbs li{display:flex;align-items:center;gap:8px}
  .crumbs li+li::before{content:"/";color:#B7C2CE}
  .crumbs a{color:var(--muted);transition:color .18s ease}
  .crumbs a:hover{color:var(--brand)}
  .crumbs [aria-current="page"]{color:var(--text);font-weight:600}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;margin-top:20px;padding:64px 0 84px;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;background-position:center;border-radius:28px;overflow:hidden;
  }
  .hero::before{content:"";position:absolute;inset:0;background:rgba(247,249,251,.93)}
  .hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
  .hero h1{font-size:clamp(32px,4.2vw,50px);line-height:1.22;margin-top:20px}
  .hero h1 em{font-style:normal;color:var(--brand)}
  .hero-lead{font-size:18px;color:var(--muted);margin-top:18px;max-width:560px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
  .hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:36px;padding-top:26px;border-top:1px solid var(--border)}
  .hero-meta div{min-width:120px}
  .hero-meta strong{display:block;font-size:22px;color:var(--brand-dark)}
  .hero-meta span{font-size:13px;color:var(--muted)}
  .hero-visual{position:relative}
  .hero-visual img{border-radius:22px;box-shadow:var(--shadow-hover);aspect-ratio:4/3;object-fit:cover;width:100%}
  .float-card{
    position:absolute;left:-18px;bottom:-22px;background:#fff;border:1px solid var(--border);
    border-radius:16px;box-shadow:var(--shadow-hover);padding:16px 18px;max-width:230px;
  }
  .float-card b{display:block;font-size:16px;color:var(--brand-dark)}
  .float-card small{color:var(--muted);font-size:13px;line-height:1.6;display:block;margin-top:4px}

  /* ---------- 服务分组 ---------- */
  .svc-layout{display:grid;grid-template-columns:262px 1fr;gap:52px;align-items:start}
  .toc{
    position:sticky;top:108px;background:var(--surface);border:1px solid var(--border);
    border-radius:var(--r-card);box-shadow:var(--shadow);padding:22px;
  }
  .toc h3{font-size:15px;color:var(--muted);font-weight:600;letter-spacing:.04em;margin-bottom:12px}
  .toc a{
    display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
    font-size:15px;color:var(--text);transition:all .18s ease;
  }
  .toc a i{color:var(--brand);font-size:13px;width:16px;text-align:center}
  .toc a:hover{background:var(--brand-soft);color:var(--brand-dark)}
  .toc-note{margin-top:16px;padding-top:16px;border-top:1px dashed var(--border);font-size:13px;color:var(--muted);line-height:1.7}
  .svc-groups{display:flex;flex-direction:column;gap:24px}
  .svc-group{
    background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
    box-shadow:var(--shadow);padding:32px;transition:box-shadow .18s ease,transform .18s ease;
  }
  .svc-group:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
  .svc-head{display:flex;gap:18px;align-items:flex-start}
  .svc-icon{
    width:52px;height:52px;border-radius:16px;background:var(--brand-soft);color:var(--brand);
    display:grid;place-items:center;font-size:20px;flex:0 0 auto;
  }
  .svc-group h3{font-size:22px;margin-bottom:8px}
  .svc-group p.desc{color:var(--muted);font-size:16px}
  .svc-points{display:grid;grid-template-columns:1fr 1fr;gap:10px 26px;margin-top:22px}
  .svc-points li{position:relative;padding-left:22px;font-size:15px;color:var(--text)}
  .svc-points li::before{
    content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
    background:var(--accent);opacity:.85;
  }
  .svc-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:26px;padding-top:22px;border-top:1px solid var(--border)}
  .tag{
    display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
    padding:5px 12px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-dark);
  }
  .tag-accent{background:var(--accent-soft);color:#B96F6F}
  .tag-success{background:var(--success-soft);color:#4C8578}
  .link-arrow{color:var(--brand);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:8px;transition:gap .18s ease,color .18s ease}
  .link-arrow:hover{gap:12px;color:var(--brand-dark)}
  .svc-photo{margin-top:26px;border-radius:16px;overflow:hidden;border:1px solid var(--border)}
  .svc-photo img{width:100%;aspect-ratio:16/7;object-fit:cover}

  /* ---------- 流程 ---------- */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px;position:relative}
  .step{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--shadow);position:relative}
  .step-num{
    width:46px;height:46px;border-radius:50%;background:var(--brand);color:#fff;
    display:grid;place-items:center;font-weight:700;font-size:15px;margin-bottom:18px;
    box-shadow:0 8px 18px rgba(63,111,158,.26);
  }
  .step h3{font-size:19px;margin-bottom:10px}
  .step p{font-size:15px;color:var(--muted)}

  /* ---------- 保障深色带 ---------- */
  .assure{
    background:var(--brand-dark);border-radius:26px;padding:48px 44px;color:#fff;
    display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
  }
  .assure-item i{font-size:20px;color:#BFD5E8}
  .assure-item b{display:block;font-size:19px;margin:12px 0 8px}
  .assure-item span{font-size:14px;color:rgba(255,255,255,.78);line-height:1.7;display:block}

  /* ---------- FAQ ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px;margin-top:40px;max-width:900px}
  .faq-item{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:22px 24px;font-size:17px;font-weight:600;color:var(--text);text-align:left;
    transition:color .18s ease;
  }
  .faq-q:hover{color:var(--brand)}
  .faq-q i{color:var(--brand);transition:transform .18s ease;flex:0 0 auto}
  .faq-item.open .faq-q i{transform:rotate(45deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
  .faq-a p{padding:0 24px 24px;color:var(--muted);font-size:15.5px;line-height:1.8}

  /* ---------- CTA ---------- */
  .cta-card{
    background:var(--surface);border:1px solid var(--border);border-radius:24px;
    box-shadow:var(--shadow);padding:48px;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;
    border-top:3px solid var(--brand);
  }
  .cta-card h2{font-size:clamp(24px,2.6vw,32px)}
  .cta-card p{color:var(--muted);margin-top:14px}
  .cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px}
  .cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text)}
  .cta-points i{color:var(--success);margin-top:5px}
  .form-card{background:var(--bg);border:1px solid var(--border);border-radius:18px;padding:26px}
  .field{margin-bottom:16px}
  .field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px}
  .field input,.field select,.field textarea{
    width:100%;height:46px;padding:0 14px;border:1px solid #D8E0EA;border-radius:10px;
    background:#fff;color:var(--text);font-size:15px;font-family:inherit;
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .field textarea{height:96px;padding:12px 14px;resize:vertical}
  .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(63,111,158,.15);outline:none}
  .form-hint{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.7}
  .form-msg{margin-top:14px;font-size:14px;color:#2F7A63;display:none}
  .form-msg.show{display:block}

  /* ---------- 页脚 ---------- */
  footer{background:#EEF2F7;border-top:1px solid var(--border);padding:72px 0 26px;margin-top:96px}
  .foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.35fr;gap:40px}
  .foot-brand p{color:var(--muted);font-size:15px;margin-top:18px;max-width:340px;line-height:1.75}
  .foot-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:18px}
  .foot-links{display:flex;flex-direction:column;gap:11px}
  .foot-links a{color:var(--muted);font-size:15px;transition:color .18s ease}
  .foot-links a:hover{color:var(--brand)}
  .foot-contact li{display:flex;gap:10px;color:var(--muted);font-size:14.5px;margin-bottom:12px;align-items:flex-start}
  .foot-contact i{color:var(--brand);margin-top:5px}
  .foot-bottom{
    border-top:1px solid var(--border);margin-top:52px;padding-top:22px;
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
    font-size:13.5px;color:var(--muted);
  }

  @media (max-width:1180px){
    .nav-links a{padding:9px 11px;font-size:14px}
  }
  @media (max-width:1024px){
    body{padding-top:92px}
    .section{padding:72px 0}
    .hero-inner{grid-template-columns:1fr;gap:40px}
    .hero{padding:52px 0 68px}
    .svc-layout{grid-template-columns:1fr;gap:32px}
    .toc{position:static}
    .steps{grid-template-columns:repeat(2,1fr)}
    .assure{grid-template-columns:repeat(2,1fr);padding:40px 32px}
    .cta-card{grid-template-columns:1fr;padding:36px;gap:34px}
    .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
    .nav-links{
      display:none;flex-direction:column;align-items:stretch;gap:4px;
      position:absolute;top:80px;left:0;right:0;padding:14px;
      background:#fff;border:1px solid var(--border);border-radius:20px;
      box-shadow:var(--shadow-hover);
    }
    .nav-links.open{display:flex}
    .nav-links a{padding:13px 16px;font-size:15.5px}
    .burger{display:grid}
  }
  @media (max-width:768px){
    .container{padding:0 24px}
    .section{padding:64px 0}
    .hero h1{font-size:clamp(30px,7vw,38px)}
    .hero-lead{font-size:16.5px}
    .svc-points{grid-template-columns:1fr}
    .float-card{position:static;margin-top:16px;max-width:none}
    .foot-grid{grid-template-columns:1fr}
  }
  @media (max-width:640px){
    body{padding-top:84px;font-size:16px}
    .container{padding:0 20px}
    .section{padding:52px 0}
    .dock{top:12px;width:calc(100% - 28px);height:62px;padding:0 12px 0 16px}
    .logo-text{font-size:16px}
    .logo-mark{width:34px;height:34px;border-radius:10px;font-size:15px}
    .dock-cta{display:none}
    .nav-links{top:70px}
    .hero{border-radius:22px;padding:44px 0 56px}
    .hero-actions .btn{width:100%}
    .hero-meta{gap:18px}
    .steps{grid-template-columns:1fr}
    .assure{grid-template-columns:1fr;gap:26px;padding:32px 24px;border-radius:20px}
    .svc-group{padding:24px}
    .svc-head{flex-direction:column;gap:14px}
    .cta-card{padding:26px;border-radius:20px}
    .foot-bottom{flex-direction:column}
  }

/* roulang page: category3 */
:root{
  --brand:#3F6F9E;
  --brand-dark:#345E86;
  --brand-soft:#E8F0F8;
  --accent:#D98C8C;
  --accent-soft:#FBEFEF;
  --success:#6FA89A;
  --bg:#F7F9FB;
  --surface:#FFFFFF;
  --text:#1F2A37;
  --muted:#5B6675;
  --border:#E4E9F0;
  --ink:#22303F;
  --shadow:0 8px 24px rgba(31,56,85,.08);
  --shadow-hover:0 12px 32px rgba(31,56,85,.12);
  --radius-card:18px;
  --radius-btn:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
  margin:0;
  padding:0;
  padding-top:104px;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
button{font-family:inherit}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-sm{padding:64px 0}
.section-head{margin-bottom:44px;max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;letter-spacing:.06em;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:6px 14px}
.section-title{font-size:32px;line-height:1.3;font-weight:700;margin:16px 0 12px;color:var(--text)}
.section-desc{font-size:16.5px;color:var(--muted);margin:0;line-height:1.8}

/* ===== 浮动 Dock 导航 ===== */
header{position:relative;z-index:80}
.dock{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:calc(100% - 40px);
  max-width:1120px;
  height:70px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:0 14px 0 20px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--border);
  border-radius:999px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:box-shadow .18s ease,background .18s ease;
  z-index:90;
}
.dock.scrolled{box-shadow:var(--shadow-hover);background:rgba(255,255,255,.98)}
.dock .logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text);text-decoration:none;white-space:nowrap}
.dock .logo-mark{width:34px;height:34px;border-radius:11px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:16px;font-weight:600}
.dock .logo-text span{color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:9px 15px;border-radius:999px;font-size:15px;color:var(--muted);text-decoration:none;transition:color .18s ease,background .18s ease;white-space:nowrap}
.nav-links a:hover{color:var(--brand);background:var(--brand-soft)}
.nav-links a.active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.nav-right{display:flex;align-items:center;gap:8px}
.icon-btn{width:40px;height:40px;border-radius:999px;border:1px solid var(--border);background:#fff;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:color .18s ease,border-color .18s ease,background .18s ease}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft)}
.icon-btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(63,111,158,.28)}
.burger{display:none}
.dock-cta{height:42px;padding:0 18px;font-size:15px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15.5px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(63,111,158,.24)}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);box-shadow:var(--shadow)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(63,111,158,.3)}
.btn:active{transform:translateY(0)}

/* ===== 面包屑 ===== */
.crumb{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb a{color:var(--muted);text-decoration:none}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#B7C0CC}
.crumb .current{color:var(--text);font-weight:600}

/* ===== Hero ===== */
.page-hero{position:relative;overflow:hidden;background:#F3F7FB;padding:56px 0 80px;border-bottom:1px solid var(--border)}
.page-hero::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;opacity:.15}
.page-hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero-title{font-size:48px;line-height:1.22;font-weight:700;margin:18px 0 16px;letter-spacing:-.01em}
.hero-title em{font-style:normal;color:var(--brand)}
.hero-lead{font-size:18.5px;color:var(--muted);margin:0 0 28px;max-width:560px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.hero-points{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 24px;max-width:600px}
.hero-points li{display:flex;align-items:flex-start;gap:9px;font-size:14.5px;color:var(--muted)}
.hero-points i{color:var(--success);margin-top:5px;font-size:14px}
.hero-figure{position:relative}
.hero-figure img{width:100%;height:420px;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-hover)}
.hero-float{position:absolute;right:-8px;bottom:-22px;background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-hover);padding:16px 20px;min-width:200px}
.hero-float strong{display:block;font-size:24px;font-weight:700;color:var(--brand);line-height:1.2}
.hero-float span{font-size:13.5px;color:var(--muted)}

/* ===== 指标条 ===== */
.metrics{background:var(--surface);border-bottom:1px solid var(--border)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0}
.metric{padding:34px 28px;border-right:1px solid var(--border)}
.metric:last-child{border-right:none}
.metric i{color:var(--accent);font-size:17px}
.metric b{display:block;font-size:34px;font-weight:700;letter-spacing:-.02em;margin:10px 0 4px;color:var(--text)}
.metric b small{font-size:16px;font-weight:600;color:var(--muted);margin-left:3px}
.metric span{font-size:14.5px;color:var(--muted)}

/* ===== 案例横向滚动 ===== */
.cases-rail{
  display:flex;
  gap:24px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 4px 22px;
  margin:0 -4px;
  scrollbar-width:thin;
}
.cases-rail::-webkit-scrollbar{height:8px}
.cases-rail::-webkit-scrollbar-thumb{background:#CFDAE6;border-radius:999px}
.case-card{
  flex:0 0 400px;
  scroll-snap-align:start;
  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 .18s ease,box-shadow .18s ease;
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.case-card img{width:100%;height:196px;object-fit:cover}
.case-body{padding:24px;display:flex;flex-direction:column;gap:14px;flex:1}
.case-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;padding:4px 11px;border-radius:999px;background:var(--brand-soft);color:var(--brand)}
.tag-accent{background:var(--accent-soft);color:#B96A6A}
.case-body h3{font-size:20px;font-weight:700;line-height:1.4;margin:0}
.case-body p{margin:0;font-size:14.8px;color:var(--muted);line-height:1.8}
.case-points{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.case-points li{display:flex;gap:9px;font-size:14px;color:var(--muted)}
.case-points i{color:var(--brand);margin-top:5px;font-size:12px}
.case-foot{margin-top:auto;padding-top:14px;border-top:1px dashed var(--border);display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--muted)}
.case-foot a{font-weight:600}

/* ===== 深色叙事 ===== */
.story{position:relative;background:var(--ink);color:#E9EFF6;overflow:hidden}
.story::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-3.webp) center/cover no-repeat;opacity:.2}
.story .container{position:relative;z-index:1}
.story-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.story h2{font-size:32px;font-weight:700;line-height:1.32;margin:14px 0 16px;color:#fff}
.story p{color:#B9C6D4;font-size:16.5px;margin:0 0 14px;line-height:1.85}
.story .eyebrow{background:rgba(255,255,255,.12);color:#DCE7F3}
.story-list{list-style:none;margin:24px 0 0;padding:0;display:flex;flex-direction:column;gap:14px}
.story-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#CBD7E4}
.story-list i{color:var(--success);margin-top:5px}
.story-panel{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:30px}
.story-panel h3{font-size:19px;font-weight:700;color:#fff;margin:0 0 18px}
.story-rows{display:flex;flex-direction:column;gap:0}
.story-row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:14.5px;color:#B9C6D4}
.story-row:last-child{border-bottom:none}
.story-row strong{color:#fff;font-size:16px;font-weight:600}
.story-panel img{width:100%;height:150px;object-fit:cover;border-radius:14px;margin-top:22px}

/* ===== 引用卡 ===== */
.quote-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.quote-card{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:16px;box-shadow:var(--shadow);padding:28px;transition:transform .18s ease,box-shadow .18s ease}
.quote-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.quote-card i.qi{color:var(--accent);font-size:20px}
.quote-card blockquote{margin:14px 0 18px;font-size:16.5px;line-height:1.85;color:var(--text)}
.quote-meta{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--muted)}
.quote-avatar{width:38px;height:38px;border-radius:999px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:700;font-size:14px}
.quote-meta strong{display:block;color:var(--text);font-size:14.5px;font-weight:600}
.score{display:inline-flex;gap:3px;color:var(--accent);font-size:12px;margin-left:auto}

/* ===== 见证维度列表 ===== */
.dim-list{background:var(--surface);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}
.dim-row{display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center;padding:26px 32px;border-bottom:1px solid var(--border);transition:background .18s ease}
.dim-row:last-child{border-bottom:none}
.dim-row:hover{background:#FAFCFE}
.dim-num{font-size:15px;font-weight:700;color:var(--brand);width:44px;height:44px;border-radius:14px;background:var(--brand-soft);display:grid;place-items:center}
.dim-row h3{font-size:19px;font-weight:600;margin:0 0 4px}
.dim-row p{margin:0;font-size:14.8px;color:var(--muted)}
.dim-row .dim-link{font-size:14px;font-weight:600;white-space:nowrap}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;background:none;border:none;text-align:left;font-size:17px;font-weight:600;color:var(--text);cursor:pointer;transition:color .18s ease}
.faq-q:hover{color:var(--brand)}
.faq-q:focus-visible{outline:none;box-shadow:inset 0 0 0 3px rgba(63,111,158,.25)}
.faq-icon{flex:0 0 auto;width:30px;height:30px;border-radius:999px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:16px;font-weight:600;transition:background .18s ease,color .18s ease}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{margin:0;padding:0 24px 22px;font-size:15.2px;color:var(--muted);line-height:1.8}
.faq-item.open .faq-icon{background:var(--brand);color:#fff}

/* ===== CTA + 表单 ===== */
.cta-wrap{background:#fff;border:1px solid var(--brand);border-radius:22px;box-shadow:var(--shadow);padding:44px;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.cta-wrap h2{font-size:30px;font-weight:700;line-height:1.32;margin:14px 0 14px}
.cta-wrap p{color:var(--muted);font-size:16px;margin:0 0 16px}
.cta-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.cta-list li{display:flex;gap:9px;font-size:14.5px;color:var(--muted)}
.cta-list i{color:var(--success);margin-top:5px}
.form-card{background:#FBFDFF;border:1px solid var(--border);border-radius:18px;padding:26px;display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:14px;font-weight:600;color:var(--text)}
.field input,.field textarea{
  width:100%;
  height:46px;
  border:1px solid #D8E0EA;
  border-radius:10px;
  padding:0 14px;
  font-size:15px;
  color:var(--text);
  background:#fff;
  font-family:inherit;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:94px;padding:12px 14px;line-height:1.6;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(63,111,158,.18)}
.form-note{font-size:13px;color:var(--muted);margin:0}
.check-row{display:flex;gap:9px;align-items:flex-start;font-size:13.5px;color:var(--muted)}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand)}

/* ===== 页脚 ===== */
footer{background:#EEF2F7;border-top:1px solid var(--border);padding:64px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:36px}
.foot-brand .logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text);text-decoration:none}
.foot-brand .logo-mark{width:34px;height:34px;border-radius:11px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:16px}
.foot-brand .logo-text span{color:var(--brand)}
.foot-brand p{margin:16px 0 0;font-size:14.5px;color:var(--muted);line-height:1.8;max-width:330px}
.foot-title{font-size:14.5px;font-weight:700;color:var(--text);margin-bottom:16px}
.foot-links{display:flex;flex-direction:column;gap:11px}
.foot-links a{font-size:14.5px;color:var(--muted);text-decoration:none;transition:color .18s ease}
.foot-links a:hover{color:var(--brand)}
.foot-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;font-size:14.5px;color:var(--muted)}
.foot-contact li{display:flex;gap:9px;align-items:flex-start}
.foot-contact i{color:var(--brand);margin-top:5px;font-size:13px}
.foot-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13.5px;color:var(--muted)}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .dock{height:64px;border-radius:20px;padding:0 12px 0 16px;flex-wrap:wrap;justify-content:space-between}
  .burger{display:inline-flex}
  .nav-links{display:none}
  .dock.open .nav-links{
    display:flex;
    position:absolute;
    top:74px;left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    background:#fff;
    border:1px solid var(--border);
    border-radius:20px;
    box-shadow:var(--shadow-hover);
    padding:12px;
  }
  .dock.open .nav-links a{padding:12px 14px;border-radius:14px;font-size:15.5px}
  .hero-grid,.story-grid,.cta-wrap{grid-template-columns:1fr;gap:36px}
  .hero-title{font-size:38px}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric{border-right:none;border-bottom:1px solid var(--border)}
  .metric:nth-child(odd){border-right:1px solid var(--border)}
  .metric:nth-last-child(-n+2){border-bottom:none}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-wrap{padding:34px}
}
@media (max-width:768px){
  html body{padding-top:96px;font-size:16.5px}
  .container{padding:0 20px}
  .section{padding:60px 0}
  .section-sm{padding:44px 0}
  .section-title{font-size:26px}
  .hero-title{font-size:32px}
  .hero-lead{font-size:17px}
  .hero-figure img{height:300px}
  .hero-float{position:static;margin-top:16px;right:auto;bottom:auto}
  .case-card{flex:0 0 84%}
  .quote-grid{grid-template-columns:1fr}
  .story h2{font-size:26px}
  .cta-wrap h2{font-size:24px}
  .dim-row{grid-template-columns:auto 1fr;gap:16px}
  .dim-row .dim-link{grid-column:2}
  .dock-cta{display:none}
}
@media (max-width:520px){
  .hero-points{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns:1fr}
  .metric{border-right:none !important;border-bottom:1px solid var(--border)}
  .metric:last-child{border-bottom:none}
  .foot-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .cta-wrap{padding:24px}
  .form-card{padding:20px}
}

/* roulang page: category4 */
:root{
  --brand:#3F6F9E;
  --brand-dark:#345E86;
  --brand-soft:#E8F0F8;
  --accent:#D98C8C;
  --success:#6FA89A;
  --bg:#F7F9FB;
  --surface:#FFFFFF;
  --text:#1F2A37;
  --muted:#5B6675;
  --border:#E4E9F0;
  --link-line:#D8E0EA;
  --radius-card:18px;
  --radius-btn:12px;
  --max:1240px;
  --shadow:0 8px 24px rgba(31,56,85,.08);
  --shadow-hover:0 12px 32px rgba(31,56,85,.12);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  padding-top:104px;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease;}
a:hover{color:var(--brand);}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:0;}
p{margin:0;}
:focus-visible{outline:none;box-shadow:0 0 0 2px rgba(63,111,158,.35);border-radius:8px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:32px;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:17px;}

/* ============ Dock 导航 ============ */
.site-header{position:fixed;inset:0 0 auto 0;z-index:120;pointer-events:none;padding:16px 24px 0;}
.dock{
  pointer-events:auto;
  width:100%;max-width:1120px;margin:0 auto;
  display:flex;align-items:center;gap:24px;
  height:70px;padding:0 18px 0 20px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border:1px solid var(--border);
  border-radius:999px;
  box-shadow:var(--shadow);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.dock.scrolled{box-shadow:var(--shadow-hover);background:rgba(255,255,255,.98);}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;white-space:nowrap;}
.logo-mark{
  width:36px;height:36px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;font-size:17px;font-weight:700;
  box-shadow:0 6px 16px rgba(63,111,158,.28);
}
.logo-text{font-size:18px;color:var(--text);letter-spacing:.5px;}
.logo-text span{color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  padding:9px 15px;border-radius:999px;font-size:15px;color:var(--muted);font-weight:500;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-links a.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:8px;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);border:1px solid var(--border);background:#fff;
  transition:color .18s ease,border-color .18s ease,transform .18s ease;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-1px);}
.burger{display:none;}
.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;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(63,111,158,.24);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(63,111,158,.3);}
.btn-ghost{background:#fff;color:var(--brand-dark);border:1px solid var(--link-line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);box-shadow:var(--shadow);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.dock-cta{height:42px;padding:0 20px;}
.mobile-panel{display:none;}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#F3F7FB 0%,#F7F9FB 100%);
  padding:72px 0 76px;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(217,140,140,.16),rgba(217,140,140,0) 68%);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:56px;align-items:center;position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--muted);margin-bottom:20px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb i{font-size:11px;color:#AEB8C4;}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:13px;font-weight:600;margin-bottom:20px;
}
.kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);}
.page-hero h1{font-size:48px;line-height:1.22;margin-bottom:18px;}
.page-hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{font-size:18px;color:var(--muted);max-width:620px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.trust-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;padding-top:26px;border-top:1px solid var(--border);max-width:660px;}
.trust-item{display:flex;gap:12px;align-items:flex-start;}
.trust-item i{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--border);color:var(--brand);font-size:15px;
}
.trust-item strong{display:block;font-size:15px;}
.trust-item span{font-size:13px;color:var(--muted);}
.hero-figure{position:relative;}
.hero-figure img{border-radius:20px;box-shadow:var(--shadow-hover);width:100%;object-fit:cover;aspect-ratio:4/3;}
.hero-badge{
  position:absolute;left:-18px;bottom:26px;
  background:#fff;border:1px solid var(--border);border-radius:16px;
  padding:16px 18px;box-shadow:var(--shadow);min-width:210px;
}
.hero-badge .num{font-size:26px;font-weight:700;color:var(--brand);line-height:1.2;}
.hero-badge .txt{font-size:13px;color:var(--muted);}

/* ============ 标签筛选 ============ */
.chip-bar{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  background:var(--surface);border:1px solid var(--border);border-radius:20px;
  padding:18px 20px;box-shadow:var(--shadow);
}
.chip-bar .label{font-size:14px;color:var(--muted);font-weight:600;margin-right:4px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;font-size:14px;font-weight:500;
  background:var(--bg);border:1px solid var(--border);color:var(--muted);
}
.chip:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.chip i{font-size:12px;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:minmax(0,280px) minmax(0,1fr);gap:44px;align-items:start;}
.faq-side{position:sticky;top:120px;}
.faq-side .side-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow);margin-bottom:20px;
}
.faq-side h3{font-size:18px;margin-bottom:14px;}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:15px;color:var(--muted);
}
.side-nav a:hover{background:var(--brand-soft);color:var(--brand-dark);}
.side-nav a i{font-size:11px;color:#B6C1CE;}
.side-note{font-size:13px;color:var(--muted);line-height:1.7;}
.faq-group{margin-bottom:40px;}
.faq-group-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.faq-group-head .g-icon{
  width:42px;height:42px;border-radius:14px;flex:0 0 42px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:16px;
}
.faq-group-head h2{font-size:24px;}
.faq-group-head .g-sub{font-size:14px;color:var(--muted);}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:16px;
  box-shadow:0 4px 14px rgba(31,56,85,.05);margin-bottom:12px;overflow:hidden;
  transition:box-shadow .18s ease,border-color .18s ease;
}
.faq-item:hover{box-shadow:var(--shadow);}
.faq-item.open{border-color:#CBDCEC;box-shadow:var(--shadow);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;gap:14px;justify-content:space-between;
  text-align:left;padding:20px 22px;font-size:17px;font-weight:600;color:var(--text);
}
.faq-q:hover{color:var(--brand-dark);}
.faq-q .q-text{flex:1;}
.faq-toggle{
  width:28px;height:28px;flex:0 0 28px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg);border:1px solid var(--border);color:var(--brand);
  font-size:13px;transition:transform .18s ease,background-color .18s ease;
}
.faq-item.open .faq-toggle{background:var(--brand);border-color:var(--brand);color:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a .inner{padding:0 22px 22px 22px;font-size:15.5px;color:var(--muted);line-height:1.8;}
.faq-a .inner strong{color:var(--text);}

/* ============ 表单 / 联系 ============ */
.contact-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:40px;align-items:stretch;
}
.contact-copy{
  background:linear-gradient(160deg,#EFF5FA 0%,#F7F9FB 100%);
  border:1px solid var(--border);border-radius:20px;padding:38px;box-shadow:var(--shadow);
}
.contact-copy h2{font-size:30px;margin-bottom:14px;}
.contact-copy > p{color:var(--muted);margin-bottom:26px;}
.info-list li{display:flex;gap:12px;align-items:flex-start;margin-bottom:16px;font-size:15px;color:var(--muted);}
.info-list i{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--border);color:var(--brand);font-size:14px;
}
.info-list strong{display:block;color:var(--text);font-size:15px;font-weight:600;}
.form-card{
  background:var(--surface);border:1px solid var(--border);border-radius:20px;
  padding:34px;box-shadow:var(--shadow);
}
.form-card h3{font-size:22px;margin-bottom:8px;}
.form-card .form-sub{font-size:14px;color:var(--muted);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field input,.field textarea,.field select{
  width:100%;border:1px solid var(--link-line);border-radius:10px;
  padding:0 14px;height:46px;background:#fff;font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:110px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(63,111,158,.16);
}
.form-note{font-size:13px;color:var(--muted);margin-top:14px;}
.form-msg{display:none;margin-top:14px;padding:12px 14px;border-radius:10px;background:#EDF6F2;color:#3E7A69;font-size:14px;border:1px solid #CFE6DD;}
.form-msg.show{display:block;}
.form-msg.error{background:#FDF0EF;color:#B04A45;border-color:#F2D5D3;}

/* ============ 相关入口卡片 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.entry-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:0 6px 18px rgba(31,56,85,.06);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#CBDCEC;}
.entry-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.entry-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:5px 12px;border-radius:999px;background:var(--brand-soft);
  color:var(--brand-dark);font-size:12.5px;font-weight:600;
}
.entry-body h3{font-size:19px;}
.entry-body p{font-size:14.5px;color:var(--muted);flex:1;}
.entry-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand);}
.entry-card:hover .entry-link{gap:12px;}

/* ============ 底部 CTA ============ */
.cta-band{
  background:var(--surface);border:1px solid #CBDCEC;border-radius:22px;
  padding:52px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:32px;margin-bottom:12px;}
.cta-band p{color:var(--muted);max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.metric-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:44px;}
.metric{background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:0 4px 14px rgba(31,56,85,.05);}
.metric .num{font-size:28px;font-weight:700;color:var(--brand);line-height:1.2;}
.metric .num small{font-size:15px;font-weight:600;color:var(--muted);margin-left:4px;}
.metric .txt{font-size:14px;color:var(--muted);margin-top:6px;}

/* ============ 页脚 ============ */
footer{background:#EEF2F7;border-top:1px solid var(--border);padding:64px 0 0;margin-top:24px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px;}
.foot-brand p{font-size:14.5px;color:var(--muted);margin-top:16px;max-width:340px;line-height:1.8;}
.foot-title{font-size:15px;font-weight:700;margin-bottom:16px;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:14.5px;color:var(--muted);}
.foot-links a:hover{color:var(--brand);}
.foot-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--muted);margin-bottom:12px;}
.foot-contact i{color:var(--brand);margin-top:5px;font-size:13px;}
.foot-bottom{
  border-top:1px solid var(--border);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13.5px;color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  body{padding-top:96px;}
  .container{padding:0 24px;}
  .page-hero{padding:56px 0 60px;}
  .page-hero h1{font-size:40px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure img{aspect-ratio:16/10;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-side{position:static;}
  .contact-wrap{grid-template-columns:1fr;}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metric-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .nav-links{display:none;}
  .nav-right{margin-left:auto;}
  .burger{display:inline-flex;}
  .dock{border-radius:22px;padding:0 14px;gap:12px;}
  .dock-cta{display:none;}
  .site-header{padding:12px 16px 0;}
  .mobile-panel{
    display:block;pointer-events:auto;
    max-width:1120px;margin:10px auto 0;
    background:#fff;border:1px solid var(--border);border-radius:20px;
    box-shadow:var(--shadow-hover);padding:16px;
    max-height:0;overflow:hidden;opacity:0;transition:max-height .24s ease,opacity .2s ease,padding .2s ease;
    padding-top:0;padding-bottom:0;
  }
  .mobile-panel.open{max-height:420px;opacity:1;padding-top:16px;padding-bottom:16px;}
  .mobile-panel a.m-link{
    display:block;padding:12px 14px;border-radius:12px;font-size:15.5px;color:var(--muted);font-weight:500;
  }
  .mobile-panel a.m-link:hover,.mobile-panel a.m-link.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}
  .mobile-panel .m-cta{margin-top:10px;width:100%;}
  .section{padding:60px 0;}
  .page-hero h1{font-size:34px;}
  .hero-lead{font-size:16.5px;}
  .trust-row{grid-template-columns:1fr;gap:14px;}
  .section-head h2{font-size:26px;}
  .cta-band h2{font-size:26px;}
  .entry-grid{grid-template-columns:1fr;}
  .metric-strip{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;}
  .hero-badge{left:0;bottom:14px;padding:12px 14px;min-width:0;}
}
@media (max-width:520px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .page-hero h1{font-size:30px;}
  .faq-q{font-size:16px;padding:18px;}
  .faq-a .inner{padding:0 18px 18px;}
  .form-card,.contact-copy{padding:24px;}
  .cta-band{padding:28px;}
}