/* roulang page: index */
:root{
  --brand:#0F66A8;
  --brand-dark:#0B4F86;
  --brand-soft:#E9F2FA;
  --accent:#FF6B4A;
  --accent-soft:#FFF1ED;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --ink:#16202B;
  --ink-2:#5B6B7C;
  --ink-3:#8A98A8;
  --line:#E4EAF2;
  --r-card:16px;
  --r-lg:20px;
  --r-img:14px;
  --r-btn:999px;
  --r-input:12px;
  --sh-sm:0 2px 8px rgba(22,52,88,.06);
  --sh-md:0 8px 24px rgba(22,52,88,.08);
  --sh-lg:0 18px 48px rgba(22,52,88,.12);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:.2px;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;text-align:center;
  border:1px solid transparent;transition:all .25s ease;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-dark);color:#fff;box-shadow:var(--sh-md);transform:translateY(-2px);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover,.btn-ghost:focus{border-color:var(--brand);color:var(--brand);box-shadow:var(--sh-md);transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--sh-sm);}
.btn-accent:hover,.btn-accent:focus{background:#e85a39;color:#fff;box-shadow:var(--sh-md);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.link-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.link-more i{transition:transform .25s ease;}
.link-more:hover i{transform:translateX(3px);}

/* ============ Dock 导航 ============ */
.dock-wrap{position:sticky;top:14px;z-index:70;padding:14px 0 0;}
.dock{
  width:min(1120px,calc(100% - 32px));margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 18px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid var(--line);box-shadow:var(--sh-md);
}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 28px;
  background:linear-gradient(135deg,var(--brand) 0%,#2C8FD0 100%);
  color:#fff;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.3px;}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.4px;}
.dock-nav{display:flex;align-items:center;gap:22px;margin-left:auto;}
.nav-link{
  position:relative;font-size:14px;color:var(--ink-2);padding:8px 0;display:inline-block;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.dock-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .25s ease;font-size:15px;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--sh-sm);}
.hamburger{
  display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;align-items:center;justify-content:center;font-size:16px;
}
.mobile-drawer{position:fixed;inset:0;z-index:120;display:none;}
.mobile-drawer.open{display:block;}
.drawer-mask{position:absolute;inset:0;background:rgba(16,32,52,.45);}
.drawer-panel{
  position:absolute;left:12px;right:12px;top:12px;background:#fff;border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--sh-lg);animation:drawerIn .28s ease;
}
@keyframes drawerIn{from{transform:translateY(-16px);opacity:0;}to{transform:translateY(0);opacity:1;}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.drawer-close{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink-2);cursor:pointer;}
.drawer-panel a.drawer-item{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:12px;color:var(--ink);font-size:15px;
}
.drawer-panel a.drawer-item:hover{background:var(--brand-soft);color:var(--brand);}
.drawer-panel a.drawer-item.active{background:var(--brand-soft);color:var(--brand);font-weight:600;box-shadow:inset 2px 0 0 var(--brand);}
.drawer-panel .btn{margin-top:12px;}

/* ============ 通用区块 ============ */
.section{padding:88px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,30px);line-height:1.3;font-weight:700;}
.section-head p{color:var(--ink-2);font-size:15px;margin-top:8px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-btn);padding:6px 14px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;font-weight:600;
  padding:6px 12px;border-radius:var(--r-btn);background:var(--brand-soft);color:var(--brand);
}
.badge-accent{background:var(--accent-soft);color:var(--accent);}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:64px 0 88px;}
.hero::before{
  content:"";position:absolute;width:340px;height:340px;border-radius:50%;top:-70px;left:-110px;
  background:radial-gradient(circle,rgba(15,102,168,.08),rgba(15,102,168,0) 70%);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:240px;height:240px;border-radius:50%;bottom:-50px;right:-70px;
  background:radial-gradient(circle,rgba(255,107,74,.07),rgba(255,107,74,0) 70%);pointer-events:none;
}
.hero-grid{position:relative;z-index:2;}
.hero-copy h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.2;font-weight:700;letter-spacing:.4px;
}
.hero-sub{font-size:17px;color:var(--ink-2);margin-top:16px;max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}
.trust-row{display:flex;flex-wrap:wrap;margin-top:32px;}
.trust-row li{
  font-size:14px;color:var(--ink-2);padding:0 18px;line-height:1.2;
  border-left:1px solid var(--line);
}
.trust-row li:first-child{padding-left:0;border-left:none;}
.trust-row li strong{display:block;font-size:15px;color:var(--ink);font-weight:600;}
.hero-visual{position:relative;margin-top:36px;}
.hero-visual img{
  width:100%;height:420px;object-fit:cover;border-radius:24px;box-shadow:var(--sh-lg);
}
.hero-float-card{
  position:absolute;left:-8px;bottom:-26px;width:min(330px,88%);
  background:#fff;border-radius:var(--r-lg);padding:20px 22px;box-shadow:var(--sh-lg);
  border:1px solid var(--line);
}
.hero-float-card .float-row{display:flex;align-items:baseline;gap:10px;padding:6px 0;}
.hero-float-card .float-row + .float-row{border-top:1px dashed var(--line);}
.float-num{font-size:22px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;}
.float-label{font-size:14px;color:var(--ink-2);}
.hero-float-card p{font-size:12.5px;color:var(--ink-3);margin-top:10px;line-height:1.7;}

/* ============ 痛点区 ============ */
.pain{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sticky-head{position:sticky;top:110px;}
.sticky-head h2{font-size:clamp(23px,2.4vw,29px);line-height:1.32;font-weight:700;}
.sticky-head p{color:var(--ink-2);font-size:15px;margin-top:14px;max-width:320px;}
.pain-list{display:flex;flex-direction:column;gap:14px;}
.pain-item{
  display:flex;gap:20px;align-items:flex-start;background:var(--bg);
  border:1px solid var(--line);border-radius:var(--r-card);padding:22px 26px;
  transition:all .25s ease;
}
.pain-item:hover{background:#fff;box-shadow:var(--sh-md);transform:translateY(-2px);border-color:#D3E2F0;}
.pain-num{
  font-size:20px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;
  flex:0 0 44px;line-height:1.4;
}
.pain-item h3{font-size:18px;font-weight:600;line-height:1.5;}
.pain-item p{font-size:14px;color:var(--ink-2);margin-top:6px;}

/* ============ 方案区 ============ */
.plan-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-md);padding:26px;height:100%;display:flex;flex-direction:column;
  transition:all .25s ease;
}
.plan-main:hover{box-shadow:var(--sh-lg);transform:translateY(-2px);}
.plan-main img{width:100%;height:250px;object-fit:cover;border-radius:var(--r-img);margin-bottom:22px;}
.plan-main h3{font-size:22px;font-weight:600;line-height:1.4;}
.plan-main > p{font-size:15px;color:var(--ink-2);margin-top:10px;}
.plan-points{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.plan-points li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.7;}
.plan-points li i{color:var(--brand);margin-top:6px;font-size:13px;}
.plan-main .btn{align-self:flex-start;margin-top:24px;}
.plan-side{display:flex;flex-direction:column;gap:22px;height:100%;}
.plan-mini{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-sm);flex:1;transition:all .25s ease;
}
.plan-mini:hover{box-shadow:var(--sh-md);transform:translateY(-2px);}
.plan-mini .mini-ico{
  width:44px;height:44px;border-radius:14px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px;
}
.plan-mini h3{font-size:18px;font-weight:600;}
.plan-mini p{font-size:14px;color:var(--ink-2);margin-top:8px;line-height:1.75;}
.steps-bar{
  margin-top:30px;display:grid;grid-template-columns:repeat(3,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);overflow:hidden;
}
.step-cell{padding:26px 28px;border-left:1px solid var(--line);}
.step-cell:first-child{border-left:none;}
.step-idx{
  font-size:13px;font-weight:700;color:var(--accent);letter-spacing:1px;
  font-variant-numeric:tabular-nums;
}
.step-cell h4{font-size:17px;font-weight:600;margin-top:10px;}
.step-cell p{font-size:14px;color:var(--ink-2);margin-top:8px;line-height:1.7;}

/* ============ 数据带 ============ */
.stats{padding-top:0;}
.stats-band{
  background:var(--brand-soft);border-radius:var(--r-lg);padding:38px 20px;
  display:grid;grid-template-columns:repeat(4,1fr);
}
.stat-item{padding:0 26px;text-align:center;border-left:1px solid rgba(15,102,168,.16);}
.stat-item:first-child{border-left:none;}
.stat-num{
  font-size:34px;font-weight:700;color:var(--brand);line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.stat-num em{font-style:normal;font-size:15px;font-weight:600;margin-left:4px;color:var(--brand);}
.stat-label{font-size:14px;color:var(--ink-2);margin-top:10px;}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-sm);display:flex;flex-direction:column;
  transition:all .25s ease;
}
.news-card:hover{box-shadow:var(--sh-md);transform:translateY(-3px);}
.news-thumb{display:block;position:relative;overflow:hidden;}
.news-thumb img{width:100%;height:186px;object-fit:cover;border-radius:0;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-thumb .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);backdrop-filter:blur(4px);}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:17.5px;font-weight:600;line-height:1.55;}
.news-body h3 a{color:var(--ink);}
.news-card:hover .news-body h3 a{color:var(--brand);}
.news-excerpt{
  font-size:14px;color:var(--ink-2);line-height:1.8;margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);border-top:1px solid var(--line);
}
.news-meta .link-more{font-size:13px;}
.news-empty{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;
}
.news-empty p{color:var(--ink-2);font-size:15px;}
.news-empty .btn{margin-top:18px;}

/* ============ 表单区 ============ */
.contact-sec{background:#fff;border-top:1px solid var(--line);}
.contact-copy h2{font-size:clamp(23px,2.4vw,29px);line-height:1.32;font-weight:700;}
.contact-copy > p{color:var(--ink-2);font-size:15px;margin-top:14px;}
.privacy-list{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.privacy-list li{display:flex;gap:12px;font-size:14px;color:var(--ink-2);line-height:1.7;}
.privacy-list li i{color:var(--brand);margin-top:6px;font-size:13px;}
.form-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-sm);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:7px;font-weight:600;}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;color:var(--ink);font-size:14.5px;transition:border-color .2s ease,box-shadow .2s ease;
  -webkit-appearance:none;appearance:none;margin:0;
}
.field textarea{height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field select{background-image:none;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,102,168,.12);
}
.check-row{display:flex;gap:10px;align-items:flex-start;margin:6px 0 18px;}
.check-row input[type="checkbox"]{
  appearance:none;-webkit-appearance:none;width:18px;height:18px;flex:0 0 18px;margin:4px 0 0;
  border:1px solid var(--line);border-radius:5px;background:#fff;cursor:pointer;position:relative;transition:all .2s ease;
}
.check-row input[type="checkbox"]:checked{background:var(--brand);border-color:var(--brand);}
.check-row input[type="checkbox"]:checked::after{
  content:"";position:absolute;left:5px;top:1px;width:5px;height:10px;
  border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg);
}
.check-row span{font-size:12.5px;color:var(--ink-3);line-height:1.65;}

/* ============ FAQ ============ */
.faq-sec{background:var(--bg);}
.accordion{border:none;background:transparent;max-width:920px;margin:0 auto;}
.accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-sm);transition:box-shadow .25s ease;
}
.accordion .accordion-item.is-active{box-shadow:var(--sh-md);}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:48px;padding:16px 24px;font-size:16.5px;font-weight:600;color:var(--ink);
  background:#fff;border:none;line-height:1.5;
}
.accordion .accordion-title:hover,.accordion .accordion-title:focus{background:#FBFDFF;color:var(--brand);}
.acc-icon{position:relative;width:14px;height:14px;flex:0 0 14px;margin-top:4px;}
.acc-icon::before{
  content:"";position:absolute;left:0;right:0;top:6px;height:2px;border-radius:2px;
  background:var(--brand);transition:background .25s ease;
}
.acc-icon::after{
  content:"";position:absolute;top:0;bottom:0;left:6px;width:2px;border-radius:2px;
  background:var(--brand);transition:transform .25s ease,opacity .25s ease;
}
.is-active .acc-icon::after{transform:rotate(90deg);opacity:0;}
.accordion .accordion-content{
  background:#F8FAFC;border:none !important;border-top:1px solid var(--line) !important;
  padding:18px 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-2);
}

/* ============ 底部 CTA ============ */
.cta-band{padding:0 0 88px;}
.cta-inner{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-md);padding:44px 48px;display:flex;align-items:center;
  justify-content:space-between;gap:32px;position:relative;overflow:hidden;
}
.cta-inner::before{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,74,.08),rgba(255,107,74,0) 70%);
}
.cta-inner h2{font-size:clamp(22px,2.3vw,28px);font-weight:700;line-height:1.35;}
.cta-inner p{color:var(--ink-2);font-size:15px;margin-top:10px;max-width:620px;}
.cta-inner .btn{flex:0 0 auto;position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:15px;}
.footer-brand strong{font-size:16px;font-weight:700;color:var(--ink);}
.footer-brand em{display:block;font-style:normal;font-size:11.5px;color:var(--ink-3);}
.footer-desc{font-size:14px;color:var(--ink-2);line-height:1.85;max-width:330px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:var(--ink-2);display:inline-block;transition:all .25s ease;}
.footer-col a:hover{color:var(--brand);transform:translateX(2px);}
.footer-contact li{font-size:14px;color:var(--ink-2);line-height:1.9;}
.footer-contact li strong{color:var(--ink);font-weight:600;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--ink-3);}
.footer-bottom .socials{display:flex;gap:12px;}
.footer-bottom .socials span{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--bg);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:13px;
}

/* ============ Reveal 弹层 ============ */
.reveal-overlay{background:rgba(16,32,52,.45);}
.reveal{
  max-width:560px;border-radius:var(--r-lg);border:none;padding:28px;
  box-shadow:var(--sh-lg);background:#fff;
}
.reveal h3{font-size:20px;font-weight:700;}
.reveal .reveal-sub{font-size:14px;color:var(--ink-2);margin-top:8px;margin-bottom:20px;}
.reveal .close-button{color:var(--ink-3);font-size:20px;top:18px;right:20px;}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .dock-nav{display:none;}
  .hamburger{display:inline-flex;}
  .section{padding:64px 0;}
  .hero{padding:44px 0 72px;}
  .hero-visual img{height:340px;}
  .sticky-head{position:static;margin-bottom:26px;}
  .steps-bar{grid-template-columns:1fr;}
  .step-cell{border-left:none;border-top:1px solid var(--line);}
  .step-cell:first-child{border-top:none;}
  .stats-band{grid-template-columns:repeat(2,1fr);gap:26px 0;}
  .stat-item:nth-child(3){border-left:none;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .plan-main{margin-bottom:22px;}
}
@media screen and (max-width:640px){
  .dock{width:calc(100% - 24px);padding:8px 12px;gap:10px;}
  .brand-text em{display:none;}
  .dock-actions .btn{display:none;}
  .section{padding:44px 0;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .hero{padding:32px 0 56px;}
  .hero-visual{margin-top:28px;}
  .hero-visual img{height:240px;border-radius:18px;}
  .hero-float-card{position:static;width:100%;margin-top:16px;left:auto;bottom:auto;}
  .trust-row li{padding:0 12px;font-size:13px;}
  .pain-item{padding:18px;}
  .pain-num{flex:0 0 34px;font-size:18px;}
  .news-grid{grid-template-columns:1fr;}
  .stats-band{grid-template-columns:repeat(2,1fr);padding:28px 10px;}
  .stat-item{padding:0 10px;}
  .stat-num{font-size:26px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:30px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .form-card,.reveal{padding:22px;}
  .accordion .accordion-title{padding:14px 18px;font-size:15.5px;}
  .accordion .accordion-content{padding:16px 18px 20px;}
}

/* roulang page: article */
:root{
  --brand:#0F66A8;
  --brand-dark:#0B4F86;
  --brand-soft:#E9F2FA;
  --accent:#FF6B4A;
  --accent-soft:#FFF1ED;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --text:#16202B;
  --muted:#5B6B7C;
  --faint:#8A98A8;
  --line:#E4EAF2;
  --r-card:16px;
  --r-lg:20px;
  --r-img:14px;
  --sh-sm:0 2px 8px rgba(22,52,88,.06);
  --sh-md:0 8px 24px rgba(22,52,88,.08);
  --sh-lg:0 18px 48px rgba(22,52,88,.12);
  --ease:.25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.grid-container{max-width:1200px;padding-left:16px;padding-right:16px}
@media screen and (min-width:1024px){.grid-container{padding-left:20px;padding-right:20px}}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- Dock 导航 ---------- */
.site-header{position:sticky;top:14px;z-index:60;margin-top:14px}
.dock{
  width:min(1120px,calc(100% - 32px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 18px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--sh-md);
}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand-mark{
  width:28px;height:28px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand),#1B85CE);
  color:#fff;font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;font-weight:700;letter-spacing:.2px}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--faint);letter-spacing:.4px}
.dock-nav{display:flex;align-items:center;gap:22px;margin-left:auto;margin-right:auto}
.dock-nav .nav-link{
  position:relative;
  font-size:14px;
  color:var(--muted);
  padding:6px 0;
  white-space:nowrap;
}
.dock-nav .nav-link::after{
  content:"";
  position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brand);border-radius:2px;transition:width var(--ease);
}
.dock-nav .nav-link:hover{color:var(--brand)}
.dock-nav .nav-link:hover::after{width:100%}
.dock-nav .nav-link.active{color:var(--brand);background:var(--brand-soft);border-radius:8px;padding:6px 10px}
.dock-nav .nav-link.active::after{width:18px;left:10px;bottom:2px}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--muted);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:#CDE0F1;box-shadow:var(--sh-sm);transform:translateY(-2px)}
.menu-toggle{display:none;width:38px;height:38px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text);align-items:center;justify-content:center;cursor:pointer}
.nav-drawer{
  display:none;
  width:min(1120px,calc(100% - 32px));
  margin:10px auto 0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-lg);padding:8px;overflow:hidden;
}
body.nav-open .nav-drawer{display:block}
.nav-drawer a{display:block;line-height:48px;padding:0 14px;border-radius:12px;color:var(--text);font-size:15px}
.nav-drawer a:hover{background:var(--brand-soft);color:var(--brand)}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:all var(--ease);
  text-align:center;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-sm)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:var(--sh-md);transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--sh-sm)}
.btn-accent:hover{background:#F05432;color:#fff;box-shadow:var(--sh-md);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#CDE0F1}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--sh-sm)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:7px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-weight:600;letter-spacing:.3px;
}
.badge-accent{background:var(--accent-soft);color:#E24A29}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.9}
.divider-line{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:linear-gradient(180deg,#fff 0%,var(--brand-soft) 130%);border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:16px 0;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--faint)}
.breadcrumb .current{color:var(--text);max-width:min(560px,70vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.article-hero{padding:44px 0 40px;background:#fff;border-bottom:1px solid var(--line)}
.article-hero .hero-grid{display:flex;gap:36px;align-items:center;flex-wrap:wrap}
.hero-left{flex:1 1 460px;min-width:0}
.hero-right{flex:1 1 340px;min-width:0}
.article-title{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.2;font-weight:700;margin:18px 0 16px;
}
.article-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:13.5px}
.article-meta i{color:var(--brand);margin-right:4px}
.article-meta .dot{width:1px;height:14px;background:var(--line)}
.article-cover{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-img);box-shadow:var(--sh-md);border:1px solid var(--line);
}

/* ---------- 正文布局 ---------- */
.article-main{padding:56px 0 8px}
.article-layout{display:flex;gap:40px;align-items:flex-start;flex-wrap:wrap}
.article-col{flex:1 1 620px;min-width:0}
.side-col{flex:0 1 316px;min-width:0}
.side-sticky{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);padding:24px;
}
.panel h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.panel h3 i{color:var(--brand)}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;font-size:14px;color:var(--muted);padding:8px 12px;border-radius:10px;
  border-left:2px solid transparent;transition:all var(--ease);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc-list a:hover{background:var(--brand-soft);color:var(--brand);border-left-color:var(--brand)}
.toc-empty{font-size:13.5px;color:var(--faint);line-height:1.7}

.guide-card{
  background:linear-gradient(160deg,var(--brand) 0%,var(--brand-dark) 100%);
  border-radius:var(--r-card);padding:24px;color:#fff;box-shadow:var(--sh-md);
}
.guide-card h3{color:#fff;font-size:17px;margin-bottom:10px}
.guide-card p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.86);margin-bottom:16px}
.guide-card .btn{width:100%;background:#fff;color:var(--brand);box-shadow:none}
.guide-card .btn:hover{background:#F0F6FC;color:var(--brand-dark)}
.guide-list{display:flex;flex-direction:column;gap:8px;margin-top:14px}
.guide-list li{font-size:13px;color:rgba(255,255,255,.8);display:flex;gap:8px;align-items:flex-start}
.guide-list li i{margin-top:4px;font-size:11px;color:#8FC6EE}

/* ---------- 正文排版 ---------- */
.article-body{max-width:780px;font-size:16.5px;line-height:1.85;color:var(--text);padding-bottom:8px}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:26px;line-height:1.35;font-weight:700;
  margin:2em 0 .8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:.86em;
  border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:19px;line-height:1.5;font-weight:600;margin:1.6em 0 .6em}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;border-left:3px solid var(--brand);
  background:var(--brand-soft);border-radius:0 12px 12px 0;color:var(--muted);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul{margin:0 0 1.2em}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.6em}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;
  border-radius:2px;background:var(--brand);
}
.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body ol li{margin-bottom:.6em}
.article-body img{border-radius:var(--r-img);margin:1.6em auto;box-shadow:var(--sh-sm)}
.article-body a{text-decoration:underline;text-underline-offset:3px}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
.article-body strong{font-weight:600}
.empty-state{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);padding:56px 28px;text-align:center;
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:14.5px;margin-bottom:22px}

/* ---------- 文末 ---------- */
.article-foot{margin-top:36px;border-top:1px solid var(--line);padding-top:26px}
.tag-group{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.tag-group .label{font-size:13px;color:var(--faint)}
.tag{
  font-size:12.5px;padding:7px 14px;border-radius:999px;background:#fff;
  border:1px solid var(--line);color:var(--muted);transition:all var(--ease);
}
.tag:hover{border-color:#CDE0F1;color:var(--brand);background:var(--brand-soft);transform:translateY(-2px)}
.post-nav{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:22px}
.post-nav-item{
  flex:1 1 260px;min-width:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--sh-sm);transition:all var(--ease);display:block;
}
.post-nav-item:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:#CDE0F1}
.pn-label{display:block;font-size:12px;color:var(--faint);margin-bottom:6px;letter-spacing:.4px}
.pn-title{display:block;font-size:15px;font-weight:600;color:var(--text);line-height:1.6}
.post-nav-item:hover .pn-title{color:var(--brand)}

/* ---------- 相关推荐 ---------- */
.relate-section{padding:64px 0 8px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.sec-head h2{font-size:27px;line-height:1.3;font-weight:700}
.sec-head .sub{font-size:14px;color:var(--muted);margin-top:8px}
.sec-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.sec-link:hover{gap:10px}
.card-grid{display:flex;gap:24px;flex-wrap:wrap}
.card{
  flex:1 1 300px;min-width:0;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-sm);overflow:hidden;
  display:flex;flex-direction:column;transition:all var(--ease);
}
.card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:#CDE0F1}
.card:hover h3{color:var(--brand)}
.card-cover{width:100%;aspect-ratio:16/9;object-fit:cover}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:18px;font-weight:600;line-height:1.55;transition:color var(--ease)}
.card-body p{font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--faint);padding-top:4px}
.card-foot .more{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}

/* ---------- 底部 CTA ---------- */
.cta-band{padding:64px 0 72px}
.cta-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-md);padding:38px;display:flex;gap:30px;flex-wrap:wrap;align-items:center;
  background-image:radial-gradient(rgba(15,102,168,.06) 1px,transparent 1px);
  background-size:16px 16px;
}
.cta-box .cta-text{flex:1 1 420px;min-width:0}
.cta-box h2{font-size:25px;line-height:1.35;margin-bottom:10px}
.cta-box p{font-size:14.5px;color:var(--muted);line-height:1.8}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 22px;margin-top:8px}
.footer-grid{display:flex;gap:36px;flex-wrap:wrap;justify-content:space-between}
.footer-grid > div:first-child{flex:1 1 320px;min-width:0;max-width:400px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{font-size:15px;display:block}
.footer-brand em{font-style:normal;font-size:11.5px;color:var(--faint);display:block;letter-spacing:.4px}
.footer-desc{font-size:13.5px;color:var(--muted);line-height:1.85}
.footer-col{flex:0 1 190px;min-width:150px}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-contact li{font-size:13.5px;color:var(--muted);transition:all var(--ease)}
.footer-col a{display:inline-block}
.footer-col a:hover{color:var(--brand);transform:translateX(2px)}
.footer-contact strong{color:var(--text);font-weight:600}
.footer-bottom{
  margin-top:34px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--faint)}
.socials{display:flex;gap:10px}
.socials span{
  width:34px;height:34px;border-radius:999px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--faint);font-size:13px;
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .dock-nav{display:none}
  .menu-toggle{display:inline-flex}
  .dock{gap:12px;justify-content:space-between}
  .dock-nav{margin:0}
  .article-main{padding:44px 0 8px}
  .side-sticky{position:static}
  .side-col{flex:1 1 100%}
  .relate-section{padding:48px 0 8px}
  .cta-band{padding:48px 0 56px}
}
@media screen and (max-width:639px){
  .brand-text em{display:none}
  .dock{width:calc(100% - 24px);padding:8px 14px}
  .dock-actions .btn{display:none}
  .article-hero{padding:28px 0 30px}
  .article-title{margin:14px 0 12px}
  .article-cover{aspect-ratio:16/11}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:22px}
  .panel{padding:20px}
  .cta-box{padding:26px}
  .cta-actions .btn{width:100%}
  .post-nav-item{flex:1 1 100%}
  .card{flex:1 1 100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --brand:#0F66A8;
  --brand-dark:#0B4F86;
  --brand-soft:#E9F2FA;
  --accent:#FF6B4A;
  --accent-soft:#FFF1ED;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --text:#16202B;
  --muted:#5B6B7C;
  --faint:#8A98A8;
  --line:#E4EAF2;
  --r-xs:8px;
  --r-sm:12px;
  --r-img:14px;
  --r:16px;
  --r-lg:20px;
  --sh-sm:0 2px 8px rgba(22,52,88,.06);
  --sh-md:0 8px 24px rgba(22,52,88,.08);
  --sh-lg:0 18px 48px rgba(22,52,88,.12);
  --ease:.25s ease;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),transform var(--ease);}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{color:var(--text);margin:0;font-weight:700;letter-spacing:.2px;}
h1{font-size:clamp(28px,4.2vw,46px);line-height:1.2;}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
h3{font-size:19px;font-weight:600;line-height:1.5;}
h4{font-size:16px;font-weight:600;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.num,.stat-num,.tl-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

/* ============ 布局容器 ============ */
.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
.grid-container.full{padding-left:0;padding-right:0;}
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head p{margin:10px 0 0;color:var(--muted);font-size:15px;max-width:640px;}
.text-link{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.text-link i{font-size:12px;transition:transform var(--ease);}
.text-link:hover i{transform:translateX(3px);}

/* ============ Dock 导航 ============ */
.dock-wrap{position:sticky;top:0;z-index:80;padding:14px 0 6px;background:linear-gradient(180deg,rgba(246,248,251,.96) 60%,rgba(246,248,251,0));}
.dock{
  width:min(1120px,calc(100% - 32px));
  margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--line);
  box-shadow:var(--sh-md);
}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:28px;height:28px;border-radius:8px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:15px;font-weight:700;color:var(--text);}
.brand-text em{font-size:11px;font-style:normal;color:var(--faint);letter-spacing:.4px;}
.dock-nav{display:flex;align-items:center;gap:22px;margin-left:auto;}
.nav-link{
  font-size:14px;color:var(--muted);position:relative;padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;border-radius:2px;
  background:var(--brand);transition:width var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:var(--brand);background:transparent;font-weight:600;}
.nav-link.active::after{width:100%;}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:6px;}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--muted);
  cursor:pointer;transition:all var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);box-shadow:var(--sh-sm);}
.dock-toggle{display:none;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:12px 24px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all var(--ease);line-height:1.2;min-height:44px;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--sh-sm);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#ef5a38;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-block{width:100%;}
.btn-sm{padding:9px 18px;font-size:14px;}

/* ============ 页头带 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FBFDFF 0%,var(--brand-soft) 100%);
  border-bottom:1px solid var(--line);
  padding:56px 0 72px;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(15,102,168,.10),rgba(15,102,168,0) 55%);
  pointer-events:none;
}
.page-hero .grid-container{position:relative;z-index:2;}
.hero-row{display:flex;gap:36px;align-items:center;flex-wrap:wrap;}
.hero-copy{flex:1 1 520px;min-width:280px;}
.hero-visual{flex:1 1 340px;min-width:260px;}
.hero-visual img{
  width:100%;height:260px;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--sh-lg);border:1px solid #fff;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb span.sep{color:var(--faint);}
.page-hero h1{max-width:22ch;}
.page-hero .sub{margin-top:16px;font-size:17px;color:var(--muted);max-width:34ch;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;padding:4px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-weight:600;
}
.badge.dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
.hero-meta{display:flex;gap:22px;flex-wrap:wrap;margin-top:26px;font-size:13px;color:var(--muted);}
.hero-meta div{display:flex;align-items:center;gap:7px;}
.hero-meta i{color:var(--brand);font-size:14px;}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:0;margin-top:8px;}
.tl-item{position:relative;display:flex;gap:24px;padding:0 0 34px 0;}
.tl-item:last-child{padding-bottom:0;}
.tl-rail{
  position:relative;flex:0 0 64px;display:flex;flex-direction:column;align-items:center;
}
.tl-item:not(:last-child) .tl-rail::after{
  content:"";position:absolute;top:56px;bottom:-34px;left:50%;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,var(--brand) 0%,var(--line) 100%);
}
.tl-num{
  width:56px;height:56px;border-radius:16px;flex:0 0 auto;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-sm);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:700;color:var(--brand);
}
.tl-card{
  flex:1 1 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh-sm);padding:24px 26px;transition:box-shadow var(--ease),transform var(--ease);
}
.tl-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);}
.tl-card p{color:var(--muted);font-size:15px;margin:8px 0 0;}
.tl-tip{
  margin-top:14px;display:flex;gap:10px;align-items:flex-start;
  background:#F8FAFC;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:12px 14px;font-size:13.5px;color:var(--muted);
}
.tl-tip i{color:var(--accent);margin-top:3px;}
.tl-thumb{
  width:100%;height:150px;object-fit:cover;border-radius:var(--r-img);
  margin-top:16px;border:1px solid var(--line);
}

/* ============ 非对称图文区 ============ */
.split{display:flex;gap:30px;align-items:stretch;flex-wrap:wrap;}
.split .col-main{flex:1 1 460px;min-width:260px;}
.split .col-side{flex:0 1 340px;min-width:260px;}
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:26px;box-shadow:var(--sh-sm);height:100%;
}
.panel.accent{background:var(--accent-soft);border-left:3px solid var(--accent);}
.panel.soft{background:var(--brand-soft);}
.panel h3{margin-bottom:10px;}
.panel p{color:var(--muted);font-size:15px;margin-bottom:0;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed var(--line);
  font-size:15px;color:var(--muted);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list i{color:var(--brand);margin-top:4px;font-size:15px;}
.check-list strong{color:var(--text);font-weight:600;display:block;margin-bottom:2px;font-size:15.5px;}
.warn-list li{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0;font-size:14.5px;color:#8a3a24;
}
.warn-list i{color:var(--accent);margin-top:4px;}

/* ============ 设备准备卡 ============ */
.media-block{display:flex;gap:30px;align-items:center;flex-wrap:wrap;}
.media-block .media-img{flex:1 1 380px;min-width:260px;}
.media-block .media-img img{width:100%;height:300px;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-md);}
.media-block .media-body{flex:1 1 420px;min-width:260px;}
.mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:20px;}
.mini-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:16px 18px;box-shadow:var(--sh-sm);transition:all var(--ease);
}
.mini-item:hover{box-shadow:var(--sh-md);transform:translateY(-2px);}
.mini-item strong{display:block;font-size:15px;margin-bottom:4px;}
.mini-item span{font-size:13.5px;color:var(--muted);line-height:1.7;}

/* ============ 数据带 ============ */
.stats{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-md);padding:34px 28px;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
}
.stat{padding:0 24px;border-right:1px solid var(--line);text-align:left;}
.stat:last-child{border-right:0;}
.stat-num{font-size:clamp(26px,3vw,36px);font-weight:700;color:var(--accent);line-height:1.2;}
.stat-label{font-size:14px;color:var(--muted);margin-top:6px;}

/* ============ FAQ 手风琴 ============ */
.faq-group{margin-bottom:26px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group-title{
  display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;color:var(--brand);
  margin-bottom:12px;
}
.faq-group-title i{font-size:14px;}
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-sm);transition:box-shadow var(--ease);
}
.accordion-item:hover{box-shadow:var(--sh-md);}
.accordion-item summary{
  list-style:none;cursor:pointer;min-height:48px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 22px;font-size:16px;font-weight:600;color:var(--text);
}
.accordion-item summary::-webkit-details-marker{display:none;}
.accordion-item summary .plus{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.accordion-item[open] summary .plus{transform:rotate(180deg);background:var(--brand);color:#fff;}
.accordion-body{
  padding:2px 22px 20px;font-size:15px;color:var(--muted);line-height:1.8;
  border-top:1px solid var(--line);background:#F8FAFC;
}

/* ============ 表单 ============ */
.cta-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-md);padding:30px;
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:500;}
.field input[type=text],
.field input[type=tel],
.field input[type=email],
.field select,
.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:11px 14px;font-size:15px;color:var(--text);background:#fff;
  font-family:inherit;min-height:44px;transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,102,168,.12);
}
.checkbox{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--faint);line-height:1.7;}
.checkbox input{
  appearance:none;-webkit-appearance:none;flex:0 0 auto;
  width:18px;height:18px;margin-top:3px;border:1px solid var(--line);border-radius:5px;
  background:#fff;cursor:pointer;position:relative;transition:all var(--ease);
}
.checkbox input:checked{background:var(--brand);border-color:var(--brand);}
.checkbox input:checked::after{
  content:"";position:absolute;left:5px;top:2px;width:4px;height:9px;
  border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg);
}
.form-note{font-size:12.5px;color:var(--faint);margin-top:12px;line-height:1.7;}

/* ============ 底部 CTA ============ */
.bottom-cta{
  background:linear-gradient(120deg,#0F66A8 0%,#0B4F86 100%);
  border-radius:var(--r-lg);color:#fff;padding:46px 40px;
  display:flex;gap:28px;align-items:center;justify-content:space-between;flex-wrap:wrap;
  box-shadow:var(--sh-lg);
}
.bottom-cta h2{color:#fff;font-size:clamp(20px,2.4vw,28px);}
.bottom-cta p{color:rgba(255,255,255,.82);margin:10px 0 0;font-size:15px;max-width:52ch;}
.bottom-cta .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.bottom-cta .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.bottom-cta .btn-accent{background:var(--accent);}
.bottom-cta .btn-accent:hover{background:#ef5a38;}

/* ============ 页脚 ============ */
.site-footer{
  background:#fff;border-top:1px solid var(--line);margin-top:88px;padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px;}
.footer-brand strong{display:block;font-size:15px;}
.footer-brand em{font-style:normal;font-size:11.5px;color:var(--faint);}
.footer-desc{font-size:13.5px;color:var(--muted);line-height:1.85;max-width:36ch;}
.footer-col h4{font-size:14px;margin-bottom:14px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--muted);display:inline-block;transition:all var(--ease);}
.footer-col a:hover{color:var(--brand);transform:translateX(2px);}
.footer-contact li{font-size:13.5px;color:var(--muted);line-height:1.8;margin-bottom:8px;}
.footer-contact strong{color:var(--text);font-weight:600;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--faint);margin:0;}
.socials{display:flex;gap:10px;}
.socials span{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--faint);font-size:13px;
  transition:all var(--ease);
}
.socials span:hover{color:var(--brand);border-color:var(--brand);}

/* ============ 移动端抽屉 ============ */
.drawer{
  position:fixed;left:0;right:0;bottom:0;z-index:120;
  background:#fff;border-radius:20px 20px 0 0;box-shadow:var(--sh-lg);
  padding:14px 18px 26px;transform:translateY(105%);
  transition:transform .3s ease;max-height:82vh;overflow-y:auto;
}
.drawer.open{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:6px 0 14px;border-bottom:1px solid var(--line);}
.drawer-head strong{font-size:15px;}
.drawer-close{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--muted);cursor:pointer;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;font-size:15px;color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand);font-weight:600;}
.drawer-nav a:last-child{border-bottom:0;}
.drawer .btn{margin-top:16px;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:64px 0;}
  .dock{padding:9px 14px;gap:12px;}
  .dock-nav{display:none;}
  .dock-actions{margin-left:auto;}
  .dock-toggle{
    display:flex;width:38px;height:38px;border-radius:50%;
    align-items:center;justify-content:center;border:1px solid var(--line);
    background:#fff;color:var(--text);cursor:pointer;
  }
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 0;}
  .stat:nth-child(2n){border-right:0;}
  .stat:nth-child(1),.stat:nth-child(2){padding-bottom:22px;border-bottom:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .section{padding:44px 0;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .page-hero{padding:36px 0 48px;}
  .page-hero .sub{font-size:15.5px;}
  .hero-visual img{height:200px;}
  .tl-item{gap:14px;}
  .tl-rail{flex:0 0 46px;}
  .tl-num{width:44px;height:44px;border-radius:12px;font-size:18px;}
  .tl-item:not(:last-child) .tl-rail::after{top:46px;}
  .tl-card{padding:20px 18px;}
  .mini-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;padding:24px 20px;gap:0;}
  .stat{padding:16px 0;border-right:0;border-bottom:1px solid var(--line);}
  .stat:last-child{border-bottom:0;}
  .bottom-cta{padding:32px 22px;}
  .cta-card{padding:22px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{margin-top:56px;padding:44px 0 22px;}
  .dock-brand .brand-text em{display:none;}
}

/* roulang page: category2 */
:root{
  --primary:#0F66A8;
  --primary-dark:#0B4F86;
  --primary-soft:#E9F2FA;
  --accent:#FF6B4A;
  --accent-ink:#C9431F;
  --accent-soft:#FFF1ED;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --text:#16202B;
  --muted:#5B6B7C;
  --faint:#8A98A8;
  --line:#E4EAF2;
  --r-card:16px;
  --r-lg:20px;
  --r-img:14px;
  --r-btn:999px;
  --r-input:12px;
  --sh-sm:0 2px 8px rgba(22,52,88,.06);
  --sh-md:0 8px 24px rgba(22,52,88,.08);
  --sh-lg:0 18px 48px rgba(22,52,88,.12);
  --t:.25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:var(--primary-soft);color:var(--primary-dark)}

.grid-container{
  width:min(1200px,calc(100% - 30px));
  max-width:1200px;
  margin:0 auto;
  padding-left:.9375rem;
  padding-right:.9375rem;
}

/* ---------- Dock 导航 ---------- */
.site-header{position:sticky;top:0;z-index:100;padding-top:14px}
.dock{
  width:min(1120px,calc(100% - 32px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 18px;
  border-radius:var(--r-btn);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--line);
  box-shadow:var(--sh-md);
}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:28px;height:28px;border-radius:9px;
  background:var(--primary);color:#fff;
  display:grid;place-items:center;
  font-size:14px;font-weight:700;line-height:1;
  box-shadow:0 4px 10px rgba(15,102,168,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;font-weight:700;letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--faint);letter-spacing:.02em}
.dock-nav{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-link{
  position:relative;
  font-size:14px;
  color:var(--muted);
  padding:7px 0;
  transition:color var(--t);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:0;height:2px;background:var(--primary);
  transition:width var(--t);
  border-radius:2px;
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{width:100%}
.dock-nav .nav-link.active{
  color:var(--primary);
  background:var(--primary-soft);
  border-radius:var(--r-btn);
  padding:7px 14px;
  font-weight:600;
}
.dock-nav .nav-link.active::after{
  width:14px;left:50%;bottom:3px;transform:translateX(-50%);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  display:grid;place-items:center;
  color:var(--muted);
  background:#fff;
  transition:color var(--t),border-color var(--t),box-shadow var(--t);
}
.icon-btn:hover{color:var(--primary);border-color:rgba(15,102,168,.4);box-shadow:var(--sh-sm)}
.menu-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);color:var(--text);background:#fff;place-items:center}
.menu-toggle:hover{border-color:rgba(15,102,168,.4);color:var(--primary)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-sm)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--sh-md)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-soft);transform:translateY(-2px);box-shadow:var(--sh-md)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--text);transform:translateY(-2px);box-shadow:var(--sh-md)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0;scroll-margin-top:110px}
.section-tight{padding-top:0}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-eyebrow{
  display:inline-block;
  font-size:12.5px;letter-spacing:.14em;
  color:var(--primary);
  background:var(--primary-soft);
  border:1px dashed rgba(15,102,168,.35);
  border-radius:var(--r-btn);
  padding:4px 14px;
  margin-bottom:14px;
}
.sec-title{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700}
.sec-sub{color:var(--muted);margin-top:12px;font-size:15.5px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;
  padding:3px 10px;border-radius:var(--r-btn);
  background:var(--primary-soft);color:var(--primary);
}
.chip-accent{background:var(--accent-soft);color:var(--accent-ink)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}

/* ---------- 页头带 ---------- */
.page-hero{
  position:relative;
  background:var(--primary-soft);
  border-bottom:1px solid var(--line);
  padding:48px 0 64px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;top:-60px;right:-60px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,102,168,.08) 0 40%,transparent 70%);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:44px;align-items:center;
  position:relative;z-index:2;
}
.crumbs{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--faint);
  margin-bottom:20px;
}
.crumbs a{transition:color var(--t)}
.crumbs a:hover{color:var(--primary)}
.crumbs span.sep{color:#C6D0DC}
.page-hero h1{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.2;font-weight:700;
  letter-spacing:-.01em;
}
.page-hero h1 .hl{color:var(--primary)}
.page-hero .lead{
  margin-top:18px;max-width:560px;
  font-size:16.5px;color:var(--muted);
}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hero-meta span{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:var(--muted);
  background:rgba(255,255,255,.75);
  border:1px solid rgba(255,255,255,.9);
  border-radius:var(--r-btn);
  padding:6px 14px;
}
.hero-meta i{color:var(--primary)}
.hero-media{position:relative}
.hero-media::before{
  content:"";
  position:absolute;inset:14px -14px -14px 14px;
  border:1px dashed rgba(15,102,168,.32);
  border-radius:var(--r-lg);
  z-index:0;
}
.hero-media img{
  position:relative;z-index:1;
  width:100%;height:290px;object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.8);
  box-shadow:var(--sh-lg);
}

/* ---------- 双栏：检查清单 + 风险卡 ---------- */
.panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  padding:28px;
}
.panel h2{font-size:22px;font-weight:700}
.panel .panel-sub{color:var(--muted);font-size:14.5px;margin-top:8px}
.check-list{margin-top:22px}
.check-item{
  display:flex;gap:16px;
  padding:20px 0;
  border-bottom:1px dashed var(--line);
}
.check-item:last-child{border-bottom:0;padding-bottom:0}
.check-item:first-child{padding-top:6px}
.check-mark{
  flex:0 0 26px;height:26px;border-radius:8px;
  background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;font-size:13px;margin-top:4px;
}
.check-item h3{font-size:17px;font-weight:600;margin-bottom:4px}
.check-item p{font-size:14.5px;color:var(--muted);line-height:1.75}
.risk-card{
  background:var(--accent-soft);
  border:1px solid rgba(255,107,74,.24);
  border-left:3px solid var(--accent);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-sm);
}
.risk-card .chip{margin-bottom:14px}
.risk-card h3{font-size:18px;font-weight:700;color:#8C3520}
.risk-card > p{font-size:14px;color:#8C4A34;margin-top:8px}
.risk-list li{
  position:relative;
  padding-left:20px;
  margin-top:14px;
  font-size:14.5px;
  line-height:1.75;
  color:#7A3A28;
}
.risk-list li::before{
  content:"";
  position:absolute;left:0;top:.72em;
  width:8px;height:2px;background:var(--accent);
  border-radius:2px;
}
.risk-note{
  margin-top:22px;padding-top:18px;
  border-top:1px dashed rgba(201,67,31,.28);
  font-size:13.5px;color:#8C4A34;
}

/* ---------- 异常信号 ---------- */
.signal-list{display:grid;gap:14px}
.signal-row{
  display:grid;
  grid-template-columns:76px 1fr auto;
  gap:20px;align-items:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px 26px;
  box-shadow:var(--sh-sm);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.signal-row:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:rgba(15,102,168,.3)}
.signal-num{
  font-size:26px;font-weight:700;color:var(--primary);
  letter-spacing:.02em;
}
.signal-num small{font-size:12px;color:var(--faint);display:block;font-weight:500;letter-spacing:.08em}
.signal-row h3{font-size:17px;font-weight:600}
.signal-row p{font-size:14px;color:var(--muted);margin-top:3px}

/* ---------- 图文要点 ---------- */
.split{
  display:grid;
  grid-template-columns:.92fr 1.08fr;
  gap:44px;align-items:center;
}
.split-media img{
  width:100%;height:340px;object-fit:cover;
  border-radius:var(--r-img);
  border:1px solid var(--line);
  box-shadow:var(--sh-md);
}
.bullet-list{margin-top:20px}
.bullet-list li{
  position:relative;
  padding-left:24px;
  margin-bottom:14px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}
.bullet-list li::before{
  content:"";
  position:absolute;left:0;top:.72em;
  width:8px;height:8px;border-radius:2px;
  background:var(--primary);
}
.bullet-list strong{color:var(--text);font-weight:600}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:box-shadow var(--t),border-color var(--t);
}
.faq-item:hover{box-shadow:var(--sh-md);border-color:rgba(15,102,168,.24)}
.faq-item summary{
  min-height:48px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 22px;
  font-size:16px;font-weight:600;
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-mark{
  flex:0 0 22px;height:22px;position:relative;
  transition:transform var(--t);
}
.faq-mark::before,.faq-mark::after{
  content:"";position:absolute;left:50%;top:50%;
  transform:translate(-50%,-50%);
  background:var(--primary);border-radius:2px;
}
.faq-mark::before{width:12px;height:2px}
.faq-mark::after{width:2px;height:12px;transition:opacity var(--t),transform var(--t)}
.faq-item[open] .faq-mark::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg)}
.faq-item[open] summary{background:#F8FAFC;border-bottom:1px solid var(--line)}
.faq-body{
  padding:18px 22px;
  background:#F8FAFC;
  font-size:15px;line-height:1.8;color:var(--muted);
}

/* ---------- 表单 ---------- */
.lead-grid{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:44px;align-items:start;
}
.privacy-list li{
  display:flex;gap:12px;
  padding:14px 0;
  border-bottom:1px dashed var(--line);
  font-size:14.5px;
  color:var(--muted);
}
.privacy-list li:last-child{border-bottom:0}
.privacy-list i{color:var(--primary);margin-top:5px}
.form-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-md);
  padding:28px;
}
.form-card h3{font-size:19px;font-weight:700}
.form-card .form-tip{font-size:13.5px;color:var(--faint);margin-top:6px}
.form-row{margin-top:16px}
.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label.field-label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:500}
.field-input,.field-select,.field-area{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  background:#fff;
  font-size:15px;
  color:var(--text);
  transition:border-color var(--t),box-shadow var(--t);
}
.field-input,.field-select{height:44px;padding:0 14px}
.field-select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235B6B7C' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}
.field-area{min-height:100px;padding:12px 14px;resize:vertical;line-height:1.7}
.field-input:focus,.field-select:focus,.field-area:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(15,102,168,.12);
}
.form-check{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13px;color:var(--muted);line-height:1.7;
}
.form-check input[type="checkbox"]{
  appearance:none;-webkit-appearance:none;
  flex:0 0 20px;width:20px;height:20px;margin:2px 0 0;
  border:1px solid #C6D0DC;border-radius:6px;
  background:#fff;position:relative;cursor:pointer;
  transition:background var(--t),border-color var(--t);
}
.form-check input[type="checkbox"]:checked{background:var(--primary);border-color:var(--primary)}
.form-check input[type="checkbox"]:checked::after{
  content:"";position:absolute;left:6px;top:2px;
  width:6px;height:11px;
  border:solid #fff;border-width:0 2px 2px 0;
  transform:rotate(45deg);
}
.form-note{font-size:13px;color:var(--faint);margin-top:12px}
.form-msg{
  display:none;margin-top:14px;padding:12px 16px;
  border-radius:var(--r-input);
  background:var(--primary-soft);color:var(--primary-dark);
  font-size:14px;border:1px solid rgba(15,102,168,.2);
}
.form-msg.show{display:block}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;
  background:var(--text);
  color:#fff;
  border-radius:var(--r-lg);
  padding:48px;
  display:grid;
  grid-template-columns:1.2fr auto;
  gap:32px;align-items:center;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;right:-40px;top:-40px;
  width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.08) 0 45%,transparent 72%);
}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);line-height:1.35;position:relative}
.cta-band p{color:rgba(255,255,255,.72);margin-top:12px;max-width:600px;font-size:15px;position:relative}
.cta-band .btn{position:relative}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;
  background:#fff;
  border-top:1px solid var(--line);
  padding:64px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand strong{display:block;font-size:16px;line-height:1.3}
.footer-brand em{font-style:normal;font-size:12.5px;color:var(--faint)}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.8;max-width:340px}
.footer-col h4{font-size:14px;letter-spacing:.08em;margin-bottom:16px;color:var(--text)}
.footer-col li{margin-bottom:10px;font-size:14px;color:var(--muted)}
.footer-col a{display:inline-block;transition:color var(--t),transform var(--t)}
.footer-col a:hover{color:var(--primary);transform:translateX(2px)}
.footer-contact li{font-size:13.5px;line-height:1.75;color:var(--muted)}
.footer-contact strong{color:var(--text);font-weight:600}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  border-top:1px solid var(--line);
  margin-top:44px;padding-top:20px;
  font-size:13px;color:var(--faint);
}
.socials{display:flex;gap:10px}
.socials span{
  width:34px;height:34px;
  border:1px solid var(--line);border-radius:10px;
  display:grid;place-items:center;color:var(--faint);
  transition:color var(--t),border-color var(--t);
}
.socials span:hover{color:var(--primary);border-color:rgba(15,102,168,.35)}

/* ---------- 移动端抽屉 ---------- */
.mobile-drawer{position:fixed;inset:0;z-index:200}
.mobile-drawer[hidden]{display:none}
.drawer-mask{position:absolute;inset:0;background:rgba(16,32,52,.45)}
.drawer-panel{
  position:absolute;left:0;right:0;top:0;
  background:#fff;
  border-bottom-left-radius:var(--r-lg);
  border-bottom-right-radius:var(--r-lg);
  padding:20px 20px 28px;
  box-shadow:var(--sh-lg);
  animation:drawerIn .28s ease;
}
@keyframes drawerIn{from{transform:translateY(-16px);opacity:.6}to{transform:translateY(0);opacity:1}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;font-size:15px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-list a.active{color:var(--primary);font-weight:600}
.drawer-list a i{color:var(--faint);font-size:12px}
.drawer-cta{margin-top:20px}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .section{padding:64px 0}
  .dock-nav{display:none}
  .menu-toggle{display:grid}
  .icon-btn{display:none}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-media::before{display:none}
  .hero-media img{height:240px}
  .split{grid-template-columns:1fr;gap:28px}
  .split-media img{height:260px}
  .lead-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .site-footer{margin-top:64px;padding-top:48px}
}
@media (max-width:639px){
  .section{padding:44px 0}
  .dock{padding:8px 12px;gap:10px}
  .brand-text strong{font-size:14px}
  .brand-text em{font-size:11px}
  .dock-actions .btn-primary{display:none}
  .panel,.form-card{padding:20px}
  .signal-row{grid-template-columns:48px 1fr;gap:12px;padding:18px}
  .signal-row .chip{grid-column:2;justify-self:start}
  .form-grid-2{grid-template-columns:1fr}
  .faq-item summary{font-size:15px;padding:12px 18px}
  .faq-body{padding:16px 18px}
  .cta-band{padding:28px 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
  .page-hero{padding:32px 0 48px}
  .hero-media img{height:200px}
  .split-media img{height:210px}
  .btn{height:44px;padding:0 20px}
}

/* roulang page: category3 */
:root{
  --brand:#0F66A8;
  --brand-dark:#0B4F86;
  --brand-tint:#E9F2FA;
  --accent:#FF6B4A;
  --accent-dark:#E85A3A;
  --accent-tint:#FFF1ED;
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --ink:#16202B;
  --ink-2:#5B6B7C;
  --ink-3:#8A98A8;
  --line:#E4EAF2;
  --line-strong:#CFDBE8;
  --deep:#0E2E48;
  --r-card:16px;
  --r-lg:20px;
  --r-img:14px;
  --r-pill:999px;
  --r-input:12px;
  --sh-sm:0 2px 8px rgba(22,52,88,.06);
  --sh-md:0 8px 24px rgba(22,52,88,.08);
  --sh-lg:0 18px 48px rgba(22,52,88,.12);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
html,body{overflow-x:hidden;max-width:100%;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--brand);text-decoration:none;transition:color .25s ease,transform .25s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
::selection{background:var(--brand-tint);color:var(--brand-dark);}

/* ---------- 容器与栅格 ---------- */
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}
.grid-x.row-gutters{margin-left:-15px;margin-right:-15px;}
.grid-x.row-gutters>.cell{padding-left:15px;padding-right:15px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--soft{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ---------- 通用文字 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);background:var(--brand-tint);border:1px solid #D6E6F4;
  padding:5px 12px;border-radius:var(--r-pill);margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--accent);display:block;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,30px);line-height:1.3;margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--ink-2);line-height:1.85;}
.lead{font-size:17px;color:var(--ink-2);line-height:1.85;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 顶部浮动 Dock ---------- */
.site-header{position:sticky;top:14px;z-index:80;padding:0 16px;}
.dock{
  width:min(1120px,100%);
  margin:0 auto;
  display:flex;align-items:center;gap:16px;
  padding:10px 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--line);
  box-shadow:var(--sh-md);
  position:relative;
}
.dock::after{
  content:"";position:absolute;inset:4px;border-radius:var(--r-pill);
  border:1px dashed rgba(15,102,168,.12);pointer-events:none;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:14px;font-weight:700;letter-spacing:-.02em;
  box-shadow:0 4px 10px rgba(15,102,168,.28);flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:15px;font-weight:700;letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.02em;}
.dock-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  font-size:14px;color:var(--ink-2);padding:8px 12px;border-radius:var(--r-pill);
  position:relative;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;bottom:2px;height:2px;width:0;
  background:var(--brand);transition:width .25s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{width:18px;}
.nav-link.active{background:var(--brand-tint);color:var(--brand);font-weight:600;}
.nav-link.active::after{width:18px;}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .25s ease;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-tint);}
.menu-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all .25s ease;white-space:nowrap;
}
.btn i{font-size:13px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line-strong);}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-tint);transform:translateY(-2px);box-shadow:var(--sh-sm);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(255,107,74,.28);}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;}
.btn-block{width:100%;}
.btn:active{transform:translateY(0);}

/* ---------- 移动端抽屉 ---------- */
.mobile-drawer{
  position:fixed;left:0;right:0;top:0;z-index:90;
  background:#fff;border-radius:0 0 20px 20px;
  box-shadow:var(--sh-lg);padding:18px 20px 26px;
  transform:translateY(-110%);transition:transform .3s ease;
}
.mobile-drawer.open{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:12px;
  font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line);
}
.drawer-nav a:last-child{border-bottom:none;}
.drawer-nav a.active{background:var(--brand-tint);color:var(--brand);font-weight:600;}
.drawer-cta{margin-top:16px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:18px;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span.sep{color:var(--line-strong);}
.breadcrumb .current{color:var(--brand);font-weight:600;}

/* ---------- 页头带 ---------- */
.page-hero{
  position:relative;
  padding:56px 0 64px;
  background:
    linear-gradient(180deg,#FFFFFF 0%,#F2F6FB 100%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(15,102,168,.10),rgba(15,102,168,0) 58%);
  pointer-events:none;
}
.page-hero .grid-container{position:relative;z-index:2;}
.page-hero h1{font-size:clamp(28px,4.2vw,46px);line-height:1.2;margin-bottom:16px;max-width:19em;}
.page-hero .sub{font-size:17px;color:var(--ink-2);max-width:30em;margin-bottom:22px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
}
.tag i{color:var(--accent);font-size:11px;}
.hero-deco{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-lg);background:#fff;
}
.hero-deco img{width:100%;height:250px;object-fit:cover;border-radius:0;}
.hero-deco::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(15,102,168,.12),rgba(15,102,168,0) 62%);
}
.hero-deco .deco-strip{
  position:absolute;left:0;right:0;bottom:0;z-index:3;
  display:flex;justify-content:space-between;gap:12px;
  padding:12px 18px;background:rgba(255,255,255,.92);
  font-family:var(--mono);font-size:12px;color:var(--ink-2);letter-spacing:.04em;
  border-top:1px solid var(--line);
}
.hero-deco .deco-strip strong{color:var(--brand);}

/* ---------- 设备对比卡 ---------- */
.compare-grid{margin-bottom:0;}
.device-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-sm);height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  position:relative;overflow:hidden;
}
.device-card::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:64px;
  background:var(--brand);border-radius:0 0 4px 0;
}
.device-card:nth-child(2)::before{background:var(--accent);}
.device-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:var(--line-strong);}
.device-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.device-icon{
  width:44px;height:44px;border-radius:14px;background:var(--brand-tint);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:17px;flex:0 0 auto;
  border:1px solid #D6E6F4;
}
.device-card.alt .device-icon{background:var(--accent-tint);color:var(--accent);border-color:#FCDCD3;}
.device-head h3{font-size:19px;font-weight:600;line-height:1.3;}
.device-head span{display:block;font-size:13px;color:var(--ink-3);font-weight:400;}
.mini-label{
  font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--ink-3);
  text-transform:uppercase;margin:22px 0 10px;
}
.spec-table{width:100%;border-collapse:collapse;font-size:14px;}
.spec-table th,.spec-table td{
  padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);
  vertical-align:top;
}
.spec-table th{width:34%;color:var(--ink-3);font-weight:500;background:#FAFCFE;}
.spec-table td{color:var(--ink);font-variant-numeric:tabular-nums;}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none;}
.bullet-list{margin-top:6px;}
.bullet-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--ink-2);line-height:1.75;padding:7px 0;
}
.bullet-list li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;background:var(--accent);
  margin-top:9px;border-radius:1px;
}
.notice-card{
  margin-top:26px;background:var(--accent-tint);border-left:3px solid var(--accent);
  border-radius:12px;padding:20px 24px;
}
.notice-card h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.notice-card p{font-size:14.5px;color:#7A5248;line-height:1.8;}

/* ---------- 时间线 ---------- */
.timeline{
  position:relative;margin-top:8px;padding-left:30px;
  border-left:2px solid var(--brand-tint);
}
.tl-item{position:relative;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-38px;top:10px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.tl-num{
  font-family:var(--mono);font-size:32px;line-height:1;font-weight:700;
  color:#BBD5EA;letter-spacing:.02em;margin-bottom:8px;
}
.tl-item h3{font-size:18px;font-weight:600;margin-bottom:6px;}
.tl-item p{font-size:14.8px;color:var(--ink-2);line-height:1.8;max-width:34em;}

.figure-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:14px;box-shadow:var(--sh-md);margin:0;
}
.figure-card img{width:100%;height:300px;object-fit:cover;border-radius:var(--r-img);}
.figure-card figcaption{
  font-size:13.5px;color:var(--ink-2);line-height:1.7;padding:14px 6px 6px;
}
.check-list{margin-top:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-sm);}
.check-list h3{font-size:16px;font-weight:600;margin-bottom:10px;}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);padding:7px 0;line-height:1.75;}
.check-list li i{color:var(--brand);font-size:13px;margin-top:6px;}

/* ---------- 日志式速查卡 ---------- */
.log-list{display:grid;gap:14px;}
.log-item{
  display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:start;
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:12px;padding:20px 24px;box-shadow:var(--sh-sm);
  transition:box-shadow .25s ease,transform .25s ease;
}
.log-item:hover{box-shadow:var(--sh-md);transform:translateY(-2px);}
.log-sym{display:flex;align-items:flex-start;gap:10px;}
.log-sym i{color:var(--accent);font-size:14px;margin-top:6px;}
.log-sym strong{font-size:15.5px;font-weight:600;line-height:1.6;}
.log-fix{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.log-fix em{font-style:normal;color:var(--brand);font-weight:600;}

/* ---------- FAQ 手风琴 ---------- */
.accordion.faq-accordion{background:transparent;border:none;max-width:none;}
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-sm);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-accordion .accordion-item:hover{border-color:var(--line-strong);box-shadow:var(--sh-md);}
.faq-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 24px;line-height:56px;font-size:16px;font-weight:600;color:var(--ink);
  border:none;border-radius:0;background:transparent;
}
.faq-accordion .accordion-title:hover,.faq-accordion .accordion-title:focus{background:#F8FAFC;color:var(--brand);}
.faq-accordion .accordion-title i{font-size:13px;color:var(--brand);flex:0 0 auto;}
.faq-accordion .accordion-title i.fa-minus{display:none;}
.faq-accordion .accordion-item.is-active .accordion-title i.fa-plus{display:none;}
.faq-accordion .accordion-item.is-active .accordion-title i.fa-minus{display:inline-block;}
.faq-accordion .accordion-content{
  display:none;padding:16px 24px 20px;background:#F8FAFC;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  font-size:15px;line-height:1.8;color:var(--ink-2);border-left:none;border-right:none;
}
.faq-accordion .accordion-content p{font-size:15px;color:var(--ink-2);line-height:1.8;}

/* ---------- 表单 ---------- */
.lead-wrap{display:grid;gap:0;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-md);
}
.form-card h3{font-size:19px;font-weight:600;margin-bottom:6px;}
.form-card .form-tip{font-size:13.5px;color:var(--ink-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px;font-weight:500;}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;height:44px;padding:0 14px;font-size:15px;font-family:inherit;color:var(--ink);
  background:#fff;border:1px solid var(--line-strong);border-radius:var(--r-input);
  transition:border-color .2s ease,box-shadow .2s ease;appearance:none;
}
.field select{background-image:none;padding-right:34px;}
.field textarea{height:auto;min-height:98px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,102,168,.12);
}
.field input::placeholder,.field textarea::placeholder{color:#A9B6C4;}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip input{position:absolute;opacity:0;width:0;height:0;}
.chip span{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);background:#fff;font-size:13.5px;color:var(--ink-2);
  cursor:pointer;transition:all .2s ease;
}
.chip input:checked+span{background:var(--brand-tint);border-color:var(--brand);color:var(--brand);font-weight:600;}
.chip input:focus-visible+span{outline:2px solid var(--brand);outline-offset:2px;}
.privacy{display:flex;align-items:flex-start;gap:10px;margin:6px 0 18px;}
.privacy input[type="checkbox"]{
  appearance:none;-webkit-appearance:none;flex:0 0 auto;width:20px;height:20px;margin-top:3px;
  border:1px solid var(--line-strong);border-radius:6px;background:#fff;cursor:pointer;
  position:relative;transition:all .2s ease;
}
.privacy input[type="checkbox"]:checked{background:var(--brand);border-color:var(--brand);}
.privacy input[type="checkbox"]:checked::after{
  content:"";position:absolute;left:6px;top:2px;width:6px;height:11px;
  border-right:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(42deg);
}
.privacy label{font-size:12.8px;color:var(--ink-3);line-height:1.7;cursor:pointer;}
.form-note{
  margin-top:14px;font-size:13.5px;color:var(--brand);
  background:var(--brand-tint);border-radius:10px;padding:10px 14px;display:none;
}
.form-note.show{display:block;}
.help-side h2{font-size:clamp(23px,2.4vw,28px);line-height:1.35;margin-bottom:14px;}
.help-side p{font-size:15.5px;color:var(--ink-2);line-height:1.85;margin-bottom:20px;}
.side-points li{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0;
  border-bottom:1px dashed var(--line);
}
.side-points li:last-child{border-bottom:none;}
.side-points i{
  width:32px;height:32px;border-radius:10px;background:#fff;border:1px solid var(--line);
  color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:13px;flex:0 0 auto;margin-top:4px;
}
.side-points strong{display:block;font-size:15px;font-weight:600;}
.side-points span{font-size:13.8px;color:var(--ink-2);line-height:1.75;}

/* ---------- 弹层 ---------- */
.reveal-overlay{background:rgba(16,32,52,.45);}
.reveal{
  max-width:560px;width:calc(100% - 32px);border:none;border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-lg);top:6vh;
}
.reveal h3{font-size:20px;font-weight:600;margin-bottom:6px;}
.reveal .form-tip{font-size:13.5px;color:var(--ink-3);margin-bottom:18px;}
.reveal .close-button{color:var(--ink-3);font-size:22px;top:16px;right:18px;}
.reveal .close-button:hover{color:var(--brand);}

/* ---------- 页脚 ---------- */
.site-footer{background:#FFFFFF;border-top:1px solid var(--line);padding:64px 0 24px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:14px;font-weight:700;}
.footer-brand strong{display:block;font-size:15px;line-height:1.3;}
.footer-brand em{font-style:normal;font-size:11.5px;color:var(--ink-3);}
.footer-desc{font-size:14px;color:var(--ink-2);line-height:1.85;max-width:34em;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:14px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:var(--ink-2);display:inline-block;transition:color .25s ease,transform .25s ease;}
.footer-col ul li a:hover{color:var(--brand);transform:translateX(2px);}
.footer-contact li{font-size:13.8px;color:var(--ink-2);line-height:1.8;margin-bottom:10px;}
.footer-contact strong{color:var(--ink);font-weight:600;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--ink-3);}
.socials{display:flex;gap:10px;}
.socials span{
  width:32px;height:32px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:12px;
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .dock-nav{display:none;}
  .menu-toggle{display:inline-flex;}
  .section{padding:64px 0;}
  .section--tight{padding:48px 0;}
  .page-hero{padding:40px 0 48px;}
  .hero-deco{margin-top:28px;}
  .hero-deco img{height:220px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .log-item{grid-template-columns:180px 1fr;gap:18px;}
  .figure-card{margin-top:28px;}
}
@media screen and (max-width:767px){
  .brand-text em{display:none;}
  .dock{padding:8px 14px;gap:10px;}
  .dock-actions .btn-sm{padding:0 14px;font-size:13px;}
  .page-hero h1{font-size:clamp(26px,7vw,32px);}
  .device-card{padding:22px;}
  .spec-table th{width:40%;}
  .log-item{grid-template-columns:1fr;}
  .log-sym{margin-bottom:8px;}
  .accordion-title{padding:0 18px;line-height:1.5;padding-top:16px;padding-bottom:16px;}
}
@media screen and (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:44px 0;}
  .section--tight{padding:40px 0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-deco img{height:190px;}
  .figure-card img{height:230px;}
  .chips{gap:8px;}
  .chip span{height:40px;}
  .btn{height:46px;}
}

/* roulang page: category5 */
:root{
  --brand:#0F66A8;
  --brand-dark:#0B4F86;
  --brand-soft:#E9F2FA;
  --accent:#FF6B4A;
  --accent-soft:#FFF1ED;
  --paper:#F6F8FB;
  --card:#FFFFFF;
  --ink:#16202B;
  --ink-2:#5B6B7C;
  --ink-3:#8A98A8;
  --line:#E4EAF2;
  --r-sm:12px;
  --r-card:16px;
  --r-lg:20px;
  --r-img:14px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(22,52,88,.06);
  --sh-md:0 8px 24px rgba(22,52,88,.08);
  --sh-lg:0 18px 48px rgba(22,52,88,.12);
  --sec:88px;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ -webkit-text-size-adjust:100%; }

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; height:auto; display:block; }

a{ color:inherit; text-decoration:none; transition:color .25s ease, transform .25s ease; }

button,input,select,textarea{ font:inherit; color:inherit; }

h1,h2,h3,h4{ margin:0; color:var(--ink); font-weight:700; }

p{ margin:0; }

ul{ margin:0; padding:0; list-style:none; }

:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}

.num{ font-variant-numeric:tabular-nums; font-feature-settings:"tnum" 1; }

/* ---------- 容器 ---------- */
.grid-container{
  max-width:1200px;
  padding-left:20px;
  padding-right:20px;
  margin-left:auto;
  margin-right:auto;
}
.grid-container.full{ max-width:100%; }

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{
  position:sticky;
  top:14px;
  z-index:60;
  padding:0;
}

.dock{
  width:min(1120px, calc(100% - 32px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--line);
  box-shadow:var(--sh-md);
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}

.brand-mark{
  width:28px;
  height:28px;
  border-radius:9px;
  background:var(--brand);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  font-weight:700;
  letter-spacing:.5px;
  box-shadow:var(--sh-sm);
}

.brand-text{ display:flex; flex-direction:column; line-height:1.15; }
.brand-text strong{ font-size:15px; font-weight:700; letter-spacing:.2px; }
.brand-text em{ font-style:normal; font-size:11px; color:var(--ink-3); letter-spacing:.6px; }

.dock-nav{
  display:flex;
  align-items:center;
  gap:22px;
  margin:0 auto;
}

.nav-link{
  position:relative;
  font-size:14px;
  color:var(--ink-2);
  padding:6px 2px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .25s ease;
}
.nav-link:hover{ color:var(--brand); }
.nav-link:hover::after{ transform:scaleX(1); }

.nav-link.active{
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:var(--r-pill);
  padding:6px 14px;
  font-weight:600;
}
.nav-link.active::after{ transform:scaleX(1); left:14px; right:14px; bottom:1px; }

.dock-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}

.icon-btn{
  width:40px;
  height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-2);
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:color .25s ease, box-shadow .25s ease, transform .25s ease, border-color .25s ease;
}
.icon-btn:hover{ color:var(--brand); border-color:var(--brand-soft); box-shadow:var(--sh-md); transform:translateY(-2px); }

.menu-toggle{
  display:none;
  width:40px;
  height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  cursor:pointer;
  align-items:center;
  justify-content:center;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background .25s ease, color .25s ease, box-shadow .25s ease, transform .25s ease, border-color .25s ease;
  white-space:nowrap;
}

.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:var(--sh-sm);
}
.btn-primary:hover,
.btn-primary:focus{ background:var(--brand-dark); color:#fff; box-shadow:var(--sh-md); transform:translateY(-2px); }

.btn-ghost{
  background:#fff;
  color:var(--brand);
  border-color:#C9DEF0;
}
.btn-ghost:hover,
.btn-ghost:focus{ background:var(--brand-soft); color:var(--brand-dark); box-shadow:var(--sh-md); transform:translateY(-2px); }

.btn-accent{
  background:var(--accent);
  color:#fff;
  box-shadow:var(--sh-sm);
}
.btn-accent:hover,
.btn-accent:focus{ background:#E9563A; color:#fff; box-shadow:var(--sh-md); transform:translateY(-2px); }

.btn-sm{ min-height:38px; padding:0 18px; font-size:14px; }
.btn-block{ width:100%; }

.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
}
.link-more:hover{ color:var(--brand-dark); transform:translateX(2px); }

/* ---------- 页头带 ---------- */
.page-hero{
  background:linear-gradient(180deg,#EFF5FB 0%, var(--paper) 100%);
  border-bottom:1px solid var(--line);
  padding:44px 0 60px;
}

.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:18px;
}
.crumbs a:hover{ color:var(--brand); }
.crumbs .sep{ color:#C6D2DE; }
.crumbs .current{ color:var(--ink-2); }

.page-hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:48px;
  align-items:center;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:1.2px;
  color:var(--brand);
  background:#fff;
  border:1px dashed #BBD6EC;
  border-radius:var(--r-pill);
  padding:6px 14px;
  margin-bottom:18px;
  text-transform:uppercase;
}
.eyebrow i{ font-size:11px; }

.page-hero h1{
  font-size:clamp(28px,4.2vw,44px);
  line-height:1.2;
  letter-spacing:-.4px;
  margin-bottom:16px;
  max-width:22ch;
}

.page-hero .lede{
  font-size:16px;
  color:var(--ink-2);
  max-width:44ch;
  margin-bottom:26px;
}

.hero-actions{ display:flex; flex-wrap:wrap; gap:12px; }

.hero-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-lg);
  aspect-ratio:4/3;
}
.hero-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:var(--r-lg);
}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(15,102,168,.06), rgba(15,102,168,.14));
  pointer-events:none;
}

.hero-strip{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  margin-top:30px;
  font-size:13px;
  color:var(--ink-2);
}
.hero-strip span{
  padding:0 16px;
  border-left:1px solid var(--line);
  line-height:1.4;
}
.hero-strip span:first-child{ padding-left:0; border-left:0; }
.hero-strip strong{ color:var(--brand); font-weight:600; }

/* ---------- 通用区块 ---------- */
.section{ padding:var(--sec) 0; }
.section.tight{ padding:56px 0; }
.section.alt{ background:#fff; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:38px;
}
.section-head h2{
  font-size:clamp(22px,2.4vw,28px);
  line-height:1.3;
  letter-spacing:-.2px;
}
.section-head .sub{
  margin-top:10px;
  font-size:15px;
  color:var(--ink-2);
  max-width:52ch;
}

/* ---------- 联系通道卡（非等宽） ---------- */
.channel-grid{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);
  gap:24px;
}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  transition:box-shadow .25s ease, transform .25s ease, border-color .25s ease;
}
.card:hover{ box-shadow:var(--sh-md); transform:translateY(-2px); border-color:#D6E4F2; }

.channel-card{
  padding:26px;
  display:flex;
  flex-direction:column;
  gap:14px;
  position:relative;
  overflow:hidden;
}
.channel-card.primary{ border-color:#C9DEF0; box-shadow:var(--sh-md); }
.channel-card.primary::before{
  content:"";
  position:absolute;
  top:0; left:0; right:0;
  height:4px;
  background:var(--brand);
}

.channel-icon{
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
}
.channel-card.primary .channel-icon{ background:var(--accent-soft); color:var(--accent); }

.channel-card h3{ font-size:19px; font-weight:600; line-height:1.4; }
.channel-card p{ font-size:14.5px; color:var(--ink-2); }

.channel-meta{
  margin-top:auto;
  font-size:13px;
  color:var(--ink-3);
  display:flex;
  align-items:center;
  gap:8px;
}
.channel-meta i{ color:var(--brand); }

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  line-height:1;
  padding:6px 12px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-weight:600;
}
.badge.accent{ background:var(--accent-soft); color:#C9472C; }
.badge.outline{ background:#fff; border:1px solid var(--line); color:var(--ink-2); font-weight:500; }

/* ---------- 流程时间线 ---------- */
.timeline{
  position:relative;
  padding-left:0;
}
.timeline-item{
  position:relative;
  display:grid;
  grid-template-columns:96px minmax(0,1fr);
  gap:28px;
  padding:0 0 40px 0;
}
.timeline-item:last-child{ padding-bottom:0; }

.timeline-item .rail{
  position:relative;
  display:flex;
  justify-content:flex-start;
}
.timeline-item .rail::after{
  content:"";
  position:absolute;
  top:8px;
  left:34px;
  bottom:-40px;
  width:2px;
  background:var(--line);
}
.timeline-item:last-child .rail::after{ display:none; }

.timeline-num{
  font-size:34px;
  font-weight:700;
  color:var(--brand);
  line-height:1;
  letter-spacing:-1px;
  padding-top:2px;
}
.timeline-item:first-child .timeline-num{ color:var(--accent); }

.timeline-body{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 26px;
  box-shadow:var(--sh-sm);
  transition:box-shadow .25s ease, transform .25s ease;
}
.timeline-body:hover{ box-shadow:var(--sh-md); transform:translateY(-2px); }
.timeline-body h3{ font-size:19px; font-weight:600; margin-bottom:8px; }
.timeline-body p{ font-size:15px; color:var(--ink-2); }
.timeline-tags{ display:flex; flex-wrap:wrap; gap:8px; margin-top:14px; }

/* ---------- 服务时段表 ---------- */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:#fff;
  box-shadow:var(--sh-sm);
}
table.schedule{
  width:100%;
  border-collapse:collapse;
  min-width:620px;
}
table.schedule th,
table.schedule td{
  padding:18px 22px;
  text-align:left;
  font-size:14.5px;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.schedule thead th{
  background:#F1F6FB;
  color:var(--ink-2);
  font-size:13px;
  letter-spacing:.6px;
  font-weight:600;
  white-space:nowrap;
}
table.schedule tbody tr:last-child td{ border-bottom:0; }
table.schedule tbody tr:hover{ background:#FAFCFE; }
table.schedule td.strong{ font-weight:600; color:var(--ink); }
table.schedule td.time{ color:var(--brand); font-weight:600; font-variant-numeric:tabular-nums; }

.note-inline{
  margin-top:16px;
  font-size:13.5px;
  color:var(--ink-3);
  display:flex;
  gap:8px;
  align-items:flex-start;
}
.note-inline i{ color:var(--brand); margin-top:4px; }

/* ---------- 表单区块 ---------- */
.form-layout{
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:40px;
  align-items:start;
}

.form-aside h2{
  font-size:clamp(22px,2.4vw,28px);
  line-height:1.35;
  margin-bottom:14px;
}
.form-aside .sub{
  font-size:15px;
  color:var(--ink-2);
  margin-bottom:24px;
}

.aside-list li{
  position:relative;
  padding:0 0 14px 26px;
  font-size:14.5px;
  color:var(--ink-2);
}
.aside-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--brand);
}
.aside-list li:last-child{ padding-bottom:0; }

.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--sh-md);
}
.form-card h3{ font-size:20px; font-weight:600; margin-bottom:6px; }
.form-card .form-hint{ font-size:13.5px; color:var(--ink-3); margin-bottom:24px; }

.field{ margin-bottom:20px; }
.field label{
  display:block;
  font-size:13px;
  color:var(--ink-2);
  margin-bottom:8px;
  font-weight:600;
  letter-spacing:.2px;
}
.field .optional{ color:var(--ink-3); font-weight:400; }

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;
  min-height:44px;
  padding:10px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#FBFCFE;
  font-size:15px;
  transition:border-color .25s ease, box-shadow .25s ease, background .25s ease;
}
.field textarea{ min-height:110px; resize:vertical; line-height:1.7; }
.field input:hover,
.field select:hover,
.field textarea:hover{ border-color:#CBDCEC; }
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(15,102,168,.12);
}

.field-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}

.consent{
  display:flex;
  align-items:flex-start;
  gap:10px;
  margin:6px 0 22px;
}
.consent input[type="checkbox"]{
  width:18px;
  height:18px;
  margin-top:3px;
  accent-color:var(--brand);
  flex:0 0 auto;
}
.consent span{ font-size:12.5px; color:var(--ink-3); line-height:1.7; }

.form-status{
  display:none;
  margin-top:16px;
  padding:12px 16px;
  border-radius:var(--r-sm);
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:13.5px;
}
.form-status.show{ display:block; }

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--brand-dark);
  border-radius:var(--r-lg);
  padding:48px;
  display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);
  gap:36px;
  align-items:center;
  color:#fff;
  box-shadow:var(--sh-lg);
}
.cta-band h2{ color:#fff; font-size:clamp(22px,2.6vw,30px); line-height:1.3; margin-bottom:12px; }
.cta-band p{ color:rgba(255,255,255,.78); font-size:15px; }
.cta-actions{ display:flex; flex-wrap:wrap; gap:12px; justify-content:flex-end; }
.cta-band .btn-ghost{ background:transparent; border-color:rgba(255,255,255,.45); color:#fff; }
.cta-band .btn-ghost:hover{ background:rgba(255,255,255,.12); color:#fff; }

/* ---------- 页脚 ---------- */
.site-footer{
  background:#fff;
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  margin-top:var(--sec);
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) repeat(3, minmax(0,1fr));
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{ width:30px; height:30px; }
.footer-brand strong{ font-size:16px; display:block; line-height:1.2; }
.footer-brand em{ font-style:normal; font-size:11.5px; color:var(--ink-3); letter-spacing:.6px; }
.footer-desc{ font-size:14px; color:var(--ink-2); max-width:44ch; }

.footer-col h4{
  font-size:13px;
  letter-spacing:1px;
  color:var(--ink-3);
  text-transform:uppercase;
  margin-bottom:16px;
  font-weight:600;
}
.footer-col li{ margin-bottom:10px; font-size:14px; color:var(--ink-2); }
.footer-col a{ color:var(--ink-2); }
.footer-col a:hover{ color:var(--brand); transform:translateX(2px); display:inline-block; }

.footer-contact li{ font-size:13.5px; line-height:1.8; }
.footer-contact strong{ color:var(--ink); font-weight:600; }

.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
}
.footer-bottom p{ font-size:13px; color:var(--ink-3); }
.socials{ display:flex; gap:10px; }
.socials span{
  width:34px;
  height:34px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--ink-3);
  font-size:13px;
  transition:color .25s ease, border-color .25s ease, background .25s ease;
}
.socials span:hover{ color:var(--brand); border-color:#C9DEF0; background:var(--brand-soft); }

/* ---------- 移动端抽屉 ---------- */
.mobile-drawer{
  display:none;
  width:min(1120px, calc(100% - 32px));
  margin:10px auto 0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-lg);
  padding:10px;
}
.mobile-drawer.open{ display:block; }
.mobile-drawer a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 16px;
  border-radius:var(--r-sm);
  font-size:15px;
  color:var(--ink-2);
}
.mobile-drawer a:hover{ background:var(--brand-soft); color:var(--brand); }
.mobile-drawer a.active{ background:var(--brand-soft); color:var(--brand-dark); font-weight:600; }

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  :root{ --sec:64px; }
  .dock-nav{ display:none; }
  .menu-toggle{ display:flex; }
  .dock-actions .btn{ display:none; }
  .page-hero-grid{ grid-template-columns:1fr; gap:32px; }
  .hero-media{ aspect-ratio:16/9; }
  .channel-grid{ grid-template-columns:1fr 1fr; }
  .channel-card.primary{ grid-column:1 / -1; }
  .form-layout{ grid-template-columns:1fr; gap:32px; }
  .cta-band{ grid-template-columns:1fr; padding:38px; }
  .cta-actions{ justify-content:flex-start; }
  .footer-grid{ grid-template-columns:1fr 1fr; gap:32px; }
}

@media screen and (max-width:768px){
  .timeline-item{ grid-template-columns:64px minmax(0,1fr); gap:18px; }
  .timeline-item .rail::after{ left:22px; }
  .timeline-num{ font-size:26px; }
}

@media screen and (max-width:640px){
  :root{ --sec:44px; }
  body{ font-size:15.5px; }
  .dock{ padding:8px 12px; gap:10px; border-radius:18px; }
  .brand-text em{ display:none; }
  .section-head{ margin-bottom:26px; }
  .channel-grid{ grid-template-columns:1fr; }
  .field-row{ grid-template-columns:1fr; }
  .form-card{ padding:22px 18px; }
  .timeline-body{ padding:20px; }
  .cta-band{ padding:28px 22px; }
  .footer-grid{ grid-template-columns:1fr; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; }
  table.schedule th,
  table.schedule td{ padding:14px 16px; }
  .hero-strip span{ padding:0 12px; }
  .hero-actions .btn{ flex:1 1 100%; }
}

/* roulang page: category4 */
:root{
  --primary:#0F66A8;
  --primary-dark:#0B4F86;
  --primary-soft:#E9F2FA;
  --accent:#FF6B4A;
  --accent-soft:#FFF1ED;
  --bg:#F6F8FB;
  --card:#FFFFFF;
  --text:#16202B;
  --muted:#5B6B7C;
  --weak:#8A98A8;
  --line:#E4EAF2;
  --line-strong:#CBD8E6;
  --soft:#F8FAFC;
  --r-card:16px;
  --r-lg:20px;
  --r-img:14px;
  --r-input:12px;
  --sh-sm:0 2px 8px rgba(22,52,88,.06);
  --sh-md:0 8px 24px rgba(22,52,88,.08);
  --sh-lg:0 18px 48px rgba(22,52,88,.12);
  --t:.25s ease;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --num:"DIN Alternate","SF Mono",ui-monospace,Menlo,system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--primary);text-decoration:none;transition:color var(--t),transform var(--t)}
a:hover{color:var(--primary-dark)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--text)}
h1{font-size:clamp(28px,4.2vw,46px);line-height:1.2}
h2{font-size:clamp(22px,2.4vw,30px)}
h3{font-size:19px;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

/* Foundation 基座覆盖 */
.grid-container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.grid-x{margin-left:-15px;margin-right:-15px;flex-wrap:wrap}
.grid-x > .cell{padding-left:15px;padding-right:15px}
body,button,input,select,textarea{font-family:var(--font)}
h1,h2,h3,h4{font-family:var(--font)}
a:hover{text-decoration:none}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  letter-spacing:.2px;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-sm)}
.btn-primary:hover,.btn-primary:focus{background:var(--primary-dark);color:#fff;box-shadow:var(--sh-md);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--line-strong)}
.btn-outline:hover,.btn-outline:focus{color:var(--primary-dark);border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px);box-shadow:var(--sh-sm)}
.btn-ghost{background:var(--primary-soft);color:var(--primary);border-color:transparent}
.btn-ghost:hover,.btn-ghost:focus{background:#DCEAF7;color:var(--primary-dark)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover,.btn-accent:focus{background:#E85A3A;color:#fff;box-shadow:var(--sh-md);transform:translateY(-2px)}

/* 徽章 / 标签 */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:12px;
  font-weight:600;
  letter-spacing:.4px;
}
.badge-accent{background:var(--accent-soft);color:#D8492B}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:1.6px;
  color:var(--primary);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--accent);
  border-radius:2px;
}

/* Dock 导航 */
.dock-nav{
  position:sticky;
  top:14px;
  z-index:60;
  display:flex;
  align-items:center;
  gap:18px;
  width:min(1120px,calc(100% - 32px));
  margin:14px auto 0;
  padding:10px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);
  box-shadow:var(--sh-md);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  display:grid;
  place-items:center;
  width:28px;
  height:28px;
  border-radius:9px;
  background:var(--primary);
  color:#fff;
  font-size:15px;
  font-weight:700;
  letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.2px}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.6px}
.nav-link{
  position:relative;
  flex:0 0 auto;
  font-size:14px;
  color:var(--muted);
  padding:6px 2px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:2px;
  background:var(--primary);
  border-radius:2px;
  transition:width var(--t);
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{width:100%}
.nav-link.active{
  color:var(--primary);
  font-weight:600;
  background:var(--primary-soft);
  border-radius:8px;
  padding:6px 10px;
}
.nav-link.active::after{width:22px;left:10px;bottom:2px}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.icon-btn{
  display:grid;
  place-items:center;
  width:40px;
  height:40px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
  transition:color var(--t),border-color var(--t),background var(--t),transform var(--t);
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--primary)}
@keyframes drawerIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

/* 区块通用 */
.section{padding:88px 0}
.section-soft{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{margin:14px 0 12px}
.section-head p{color:var(--muted);font-size:16px;max-width:44ch}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center p{margin:0 auto}

/* 页头带 */
.page-head{
  position:relative;
  padding:56px 0 64px;
  background-image:linear-gradient(115deg,rgba(233,242,250,.94),rgba(246,248,251,.92)),url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-head::after{
  content:"";
  position:absolute;
  right:-90px;
  top:-90px;
  width:280px;
  height:280px;
  border-radius:50%;
  background:rgba(15,102,168,.06);
  pointer-events:none;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--weak);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb em{font-style:normal;color:var(--primary);font-weight:600}
.page-head h1{margin-bottom:16px;max-width:22ch}
.page-sub{color:var(--muted);font-size:17px;max-width:34ch}
.page-head-art{
  border-radius:24px;
  overflow:hidden;
  box-shadow:var(--sh-lg);
  border:1px solid #fff;
  margin-top:28px;
  background:#fff;
}
.page-head-art img{width:100%;height:260px;object-fit:cover}

/* 搜索位 */
.faq-tools{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  padding:18px 22px;
  border-radius:var(--r-lg);
  background:#fff;
  border:1px dashed var(--line-strong);
  box-shadow:var(--sh-sm);
  margin-bottom:36px;
}
.search-field{
  display:flex;
  align-items:center;
  gap:10px;
  flex:1 1 340px;
  min-width:0;
  background:var(--soft);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 6px 6px 18px;
  transition:border-color var(--t),box-shadow var(--t);
}
.search-field:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,102,168,.12)}
.search-field i{color:var(--weak)}
.search-field input{
  flex:1 1 auto;
  min-width:0;
  height:40px;
  border:0;
  background:transparent;
  outline:none;
  font-size:15px;
}
.search-field input::placeholder{color:var(--weak)}
.search-hint{font-size:13px;color:var(--weak);margin:0}
.search-hint.is-warn{color:#D8492B}

/* 手风琴 */
.faq-groups{display:grid;gap:34px}
.faq-group h3{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  font-size:18px;
  color:var(--text);
}
.faq-group h3::before{
  content:"";
  width:4px;
  height:18px;
  border-radius:2px;
  background:var(--primary);
}
.accordion{
  margin:0;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:#fff;
  box-shadow:var(--sh-sm);
}
.accordion-item + .accordion-item{border-top:1px solid var(--line)}
.accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:14px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  background:#fff;
  transition:color var(--t),background var(--t);
}
.accordion-title:hover{color:var(--primary);background:var(--soft)}
.accordion-title::after{
  content:"+";
  flex:0 0 auto;
  font-family:var(--num);
  font-size:22px;
  line-height:1;
  color:var(--primary);
  transition:transform var(--t);
}
.accordion-title[aria-expanded="true"]{color:var(--primary)}
.accordion-title[aria-expanded="true"]::after{content:"−"}
.accordion-content{
  padding:18px 22px 22px;
  background:var(--soft);
  border-top:1px solid var(--line);
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}

/* 症状对照 */
.symptom-list{display:grid;gap:16px}
.symptom-item{
  display:flex;
  gap:18px;
  align-items:flex-start;
  padding:22px 24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.symptom-item:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:var(--line-strong)}
.symptom-item .num{
  font-family:var(--num);
  font-size:22px;
  font-weight:700;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
  min-width:42px;
}
.symptom-item h3{margin-bottom:6px;font-size:17px}
.symptom-item p{font-size:14.5px;color:var(--muted)}
.risk-card{
  background:var(--accent-soft);
  border-left:3px solid var(--accent);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--sh-sm);
}
.risk-card h3{margin-bottom:8px;font-size:18px;color:#B33F22}
.risk-card > p{font-size:14.5px;color:#8A4A36;margin-bottom:18px}
.risk-list{display:grid;gap:12px}
.risk-list li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:#7A4029;
  line-height:1.7;
}
.risk-list li i{color:var(--accent);margin-top:6px;font-size:12px}

/* 流程条 */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:#fff;
  overflow:hidden;
  box-shadow:var(--sh-sm);
}
.step{
  position:relative;
  padding:30px 26px;
}
.step + .step{border-left:1px solid var(--line)}
.step .step-num{
  font-family:var(--num);
  font-size:14px;
  font-weight:700;
  letter-spacing:1.4px;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
}
.step h3{margin:12px 0 8px;font-size:17px}
.step p{font-size:14.5px;color:var(--muted)}

/* CTA 带 */
.cta-band{
  background:var(--primary-soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:52px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px}
.cta-inner p{color:var(--muted);font-size:15px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 表单 */
.form-wrap{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:34px;
  align-items:start;
}
.form-intro h2{margin:14px 0 12px}
.form-intro > p{color:var(--muted);margin-bottom:22px}
.intro-list{display:grid;gap:14px;margin-bottom:26px}
.intro-list li{display:flex;gap:10px;font-size:14.5px;color:var(--muted)}
.intro-list li i{color:var(--primary);margin-top:5px;font-size:13px}
.intro-art{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-sm)}
.intro-art img{width:100%;height:170px;object-fit:cover}

.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px 28px;
  box-shadow:var(--sh-md);
}
.form-card h3{font-size:19px;margin-bottom:6px}
.form-card .form-lead{font-size:13.5px;color:var(--weak);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;font-weight:600}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;
  min-height:44px;
  padding:10px 14px;
  border:1px solid var(--line-strong);
  border-radius:var(--r-input);
  background:#fff;
  outline:none;
  font-size:15px;
  transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input:focus,
.field select:focus,
.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,102,168,.12)}
.check{display:flex;gap:10px;align-items:flex-start;margin:6px 0 20px}
.check input{
  appearance:none;
  -webkit-appearance:none;
  flex:0 0 auto;
  width:18px;
  height:18px;
  margin-top:4px;
  border:1px solid var(--line-strong);
  border-radius:5px;
  background:#fff;
  cursor:pointer;
  transition:background var(--t),border-color var(--t);
}
.check input:checked{
  background:var(--primary);
  border-color:var(--primary);
}
.check input:checked::after{
  content:"";
  position:absolute;
  width:5px;height:9px;
  border:2px solid #fff;
  border-top:0;border-left:0;
  transform:translate(4px,1px) rotate(42deg);
}
.check input{position:relative}
.check span{font-size:12.5px;color:var(--weak);line-height:1.7}
.form-tip{font-size:13px;margin-top:14px;color:var(--weak);min-height:20px}
.form-tip.is-ok{color:var(--primary)}
.form-tip.is-warn{color:#D8492B}

/* Reveal 覆盖 */
.reveal-overlay{background:rgba(16,32,52,.45)}
.reveal{
  border-radius:20px;
  border:1px solid var(--line);
  max-width:560px;
  padding:28px 26px 24px;
  box-shadow:var(--sh-lg);
}
.reveal .modal-title{font-size:20px;margin-bottom:8px}
.reveal .modal-desc{font-size:14px;color:var(--muted);margin-bottom:20px}
.close-button{color:var(--muted);top:14px;right:16px}
.close-button:hover{color:var(--primary)}

/* 页脚 */
.site-footer{
  background:#fff;
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:34px;
  padding-bottom:36px;
  border-bottom:1px solid var(--line);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{
  display:grid;place-items:center;
  width:28px;height:28px;border-radius:9px;
  background:var(--primary);color:#fff;font-weight:700;font-size:15px;
}
.footer-brand span{display:flex;flex-direction:column;line-height:1.2}
.footer-brand strong{font-size:16px}
.footer-brand em{font-style:normal;font-size:11px;color:var(--weak);letter-spacing:.6px}
.footer-desc{font-size:14px;color:var(--muted);max-width:36ch}
.footer-col h4{font-size:15px;margin-bottom:16px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;color:var(--muted);display:inline-block;transition:color var(--t),transform var(--t)}
.footer-col a:hover{color:var(--primary);transform:translateX(2px)}
.footer-contact li{font-size:13.5px;color:var(--muted);line-height:1.7}
.footer-contact strong{color:var(--text);font-weight:600}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding-top:22px;
}
.footer-bottom p{font-size:13px;color:var(--weak)}
.socials{display:flex;gap:10px}
.socials span{
  display:grid;place-items:center;
  width:34px;height:34px;border-radius:999px;
  background:var(--soft);border:1px solid var(--line);
  color:var(--weak);font-size:13px;
}

/* 响应式 */
@media screen and (max-width:1023px){
  .section{padding:64px 0}
  .page-head{padding:40px 0 48px}
  .dock-nav{padding:10px 14px;border-radius:22px;gap:12px}
  .dock-nav .nav-link{display:none}
  .dock-nav .icon-btn{display:none}
  .nav-toggle{display:inline-flex}
  .dock-nav.is-open{border-radius:20px}
  .dock-nav.is-open .nav-link{
    display:block;
    width:100%;
    margin:0;
    padding:12px 8px;
    font-size:15px;
    border-top:1px solid var(--line);
    border-radius:0;
    animation:drawerIn .25s ease both;
  }
  .dock-nav.is-open .nav-link.active{background:transparent;padding-left:8px}
  .dock-nav.is-open .nav-link.active::after{display:none}
  .dock-nav.is-open .nav-actions{width:100%;justify-content:flex-start;padding-top:14px;border-top:1px solid var(--line)}
  .dock-nav.is-open .nav-actions .btn{width:100%}
  .steps{grid-template-columns:1fr}
  .step + .step{border-left:0;border-top:1px solid var(--line)}
  .form-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media screen and (max-width:639px){
  .section{padding:44px 0}
  .grid-container{padding-left:16px;padding-right:16px}
  .grid-x{margin-left:-10px;margin-right:-10px}
  .grid-x > .cell{padding-left:10px;padding-right:10px}
  .page-head h1{font-size:clamp(24px,7vw,32px)}
  .page-head-art img{height:190px}
  .faq-tools{padding:16px}
  .search-field{flex-wrap:wrap;border-radius:16px;padding:12px}
  .search-field .btn{width:100%}
  .accordion-title{padding:14px 16px;font-size:15px}
  .accordion-content{padding:16px}
  .symptom-item{padding:18px}
  .form-card{padding:22px 18px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}