/* roulang page: index */
:root{
  --blue:#1266E3;
  --blue-700:#0B4CB0;
  --blue-300:#5E95EE;
  --blue-050:#EEF3FD;
  --orange:#F4602A;
  --orange-700:#C8461A;
  --orange-050:#FEF0EA;
  --green:#0E9F7E;
  --green-700:#087A5F;
  --green-050:#E7F6F1;
  --ink:#0E1B2C;
  --ink-2:#3A4A5E;
  --ink-3:#6B7A8D;
  --line:#DCE4EE;
  --line-2:#EDF1F7;
  --bg:#FFFFFF;
  --bg-mist:#F5F8FD;
  --bg-blue:#EEF3FD;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,32,56,.06),0 4px 12px rgba(16,32,56,.06);
  --sh-2:0 10px 28px rgba(16,32,56,.11);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:72px;--sp-9:88px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;background:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--blue)}
img{max-width:100%;height:auto;display:block;border:0}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink);line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;line-height:1;cursor:pointer;background:none;border:0;padding:0}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--ink);margin:0}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:6px}
.svg-sprite{display:none}
.icon{width:22px;height:22px;display:inline-block;vertical-align:middle;flex:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* 布局容器 */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:72px 0}
.section--mist{background:var(--bg-mist)}
.section--blue{background:var(--bg-blue)}
.section-head{max-width:820px;margin-bottom:40px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-title{font-size:33px;line-height:1.25}
.sec-desc{margin-top:16px;font-size:16px;color:var(--ink-2);line-height:1.8}
.sec-top{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-top .sec-title{font-size:33px}
.sec-top .sec-desc{margin-top:12px}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;margin-bottom:24px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-sm);
  border:1.5px solid transparent;
  font-size:16px;font-weight:600;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-700);color:#fff}
.btn-accent{background:var(--orange);color:#fff}
.btn-accent:hover{background:var(--orange-700);color:#fff}
.btn-ghost{background:#fff;color:var(--blue);border-color:var(--blue)}
.btn-ghost:hover{background:var(--blue-050);color:var(--blue-700);border-color:var(--blue-700)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-weight:600;font-size:15px}
.btn-text:hover{color:var(--blue-700);text-decoration:underline}
.btn-text::after{content:"→";font-size:15px;transition:transform .2s ease}
.btn-text:hover::after{transform:translateX(3px)}

/* 徽章与标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1.4;
  background:var(--blue-050);color:var(--blue-700);
}
.badge--green{background:var(--green-050);color:var(--green-700)}
.badge--orange{background:var(--orange-050);color:var(--orange-700)}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(16,32,56,.07)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.01em;flex:none}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:36px;height:36px;border-radius:11px;background:var(--blue);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  box-shadow:0 4px 10px rgba(18,102,227,.28);
}
.logo-mark i{display:block;width:16px;height:2.5px;border-radius:2px;background:#fff}
.logo-mark i:nth-child(2){width:11px;background:rgba(255,255,255,.82)}
.logo-mark i:nth-child(3){width:16px;background:var(--orange)}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--blue);background:var(--blue-050)}
.nav-link.is-active{color:var(--blue);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--blue);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;
}
.menu-toggle:hover{border-color:var(--blue);color:var(--blue)}

/* 抽屉导航（移动） */
.nav-drawer{position:fixed;inset:0;z-index:150;display:none}
.nav-drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(14,27,44,.5);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}
.drawer-panel{
  position:absolute;top:0;right:0;width:300px;max-width:86%;height:100%;
  background:#fff;box-shadow:-10px 0 40px rgba(14,27,44,.2);
  padding:24px 22px;display:flex;flex-direction:column;gap:8px;
  transform:translateX(100%);transition:transform .26s ease;
}
.nav-drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-title{font-size:16px;font-weight:700}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink-2)}
.drawer-close:hover{border-color:var(--blue);color:var(--blue)}
.drawer-link{display:block;padding:14px 12px;border-radius:10px;font-size:16px;color:var(--ink-2);border-bottom:1px solid var(--line-2)}
.drawer-link:hover{background:var(--blue-050);color:var(--blue)}
.drawer-link.is-active{color:var(--blue);font-weight:600}
.drawer-cta{margin-top:auto}

/* 首屏 */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#F2F7FE 0%,#FFFFFF 100%);padding:72px 0 80px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.10;pointer-events:none}
.hero::after{
  content:"";position:absolute;right:-160px;top:-140px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,102,227,.14),rgba(18,102,227,0) 70%);pointer-events:none;
}
.hero-grid{position:relative;z-index:2}
.hero-copy{max-width:640px}
.hero-title{font-size:46px;line-height:1.2;margin-top:20px}
.hero-title span{color:var(--blue)}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-trust{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:32px}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-3)}
.hero-trust .icon{width:18px;height:18px;color:var(--green)}
.hero-figure{margin:0;border-radius:14px;overflow:hidden;box-shadow:var(--sh-2);background:var(--bg-mist)}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* 痛点提问 */
.pain-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 22px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pain-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,102,227,.3)}
.pain-ico{
  width:44px;height:44px;border-radius:12px;background:var(--blue-050);
  display:flex;align-items:center;justify-content:center;color:var(--blue);margin-bottom:18px;
}
.pain-card h3{font-size:20px;line-height:1.4}
.pain-card p{margin-top:10px;font-size:15px;color:var(--ink-3);line-height:1.7}

/* 方案卡片 */
.plan-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;position:relative;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,102,227,.3)}
.plan-card--main{display:flex;flex-direction:column}
.plan-media{margin:0;overflow:hidden}
.plan-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.plan-body{padding:28px 26px;display:flex;flex-direction:column;flex:1}
.plan-card--small .plan-body{padding:24px 22px}
.plan-card--small{border-left:4px solid var(--blue-050)}
.plan-ico{
  width:42px;height:42px;border-radius:12px;background:var(--blue-050);color:var(--blue);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.plan-card h3{font-size:22px}
.plan-card--small h3{font-size:19px}
.plan-desc{margin-top:12px;font-size:15px;color:var(--ink-2);line-height:1.8}
.plan-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.plan-list li{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--ink-2)}
.plan-list .icon{width:16px;height:16px;color:var(--green);margin-top:3px}
.plan-foot{margin-top:auto;padding-top:20px}
.stack{display:flex;flex-direction:column;gap:24px;height:100%}
.stack .plan-card{flex:1}

/* 数据区 */
.stats-band{background:var(--bg-blue);padding:72px 0}
.stat-item{text-align:center;padding:18px 12px}
.stat-num{font-size:56px;font-weight:700;line-height:1;color:var(--blue);font-variant-numeric:tabular-nums}
.stat-num small{font-size:22px;font-weight:700;margin-left:2px}
.stat-item:nth-child(2) .stat-num{color:var(--orange)}
.stat-item:nth-child(3) .stat-num{color:var(--green)}
.stat-cap{margin-top:14px;font-size:14px;color:var(--ink-2);line-height:1.6}
.stats-cta{margin-top:44px;text-align:center}

/* 内容列表 */
.news-card{
  display:flex;flex-direction:column;height:100%;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,102,227,.3)}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg-mist)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{
  font-size:18px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-sum{
  font-size:14px;color:var(--ink-3);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-3);
}
.news-meta .arrow{color:var(--blue);font-weight:600}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-md);
  padding:48px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state .icon{width:44px;height:44px;color:var(--blue-300)}
.empty-state p{font-size:15px;color:var(--ink-3)}

/* FAQ */
.faq-accordion{background:transparent;border:0;border-radius:0;margin:0}
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  margin-bottom:12px;box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-accordion .accordion-item:hover{border-color:rgba(18,102,227,.3)}
.faq-accordion .accordion-item.is-active{border-left:3px solid var(--blue);box-shadow:var(--sh-2)}
.faq-accordion .accordion-title{
  display:block;position:relative;padding:18px 56px 18px 20px;
  font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
  background:transparent;border:0;
}
.faq-accordion .accordion-title:hover{color:var(--blue);background:transparent}
.faq-accordion .accordion-title::before{
  content:"";position:absolute;top:50%;right:20px;left:auto;margin-top:0;
  width:14px;height:2px;border-radius:2px;background:var(--blue);
  transform:translateY(-50%);font-size:0;color:transparent;
}
.faq-accordion .accordion-title::after{
  content:"";position:absolute;top:50%;right:26px;width:2px;height:14px;border-radius:2px;
  background:var(--blue);transform:translateY(-50%);transition:transform .25s ease,opacity .25s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(90deg);opacity:0}
.faq-accordion .accordion-content{
  display:none;padding:0 22px 22px;border:0;background:#FBFCFE;color:var(--ink-2);
  font-size:15px;line-height:1.8;
}
.faq-accordion .accordion-content p{margin:0}
.faq-accordion .accordion-content p+p{margin-top:10px}

/* 表单与隐私 */
.form-layout{align-items:flex-start}
.form-intro h2{font-size:32px;line-height:1.28}
.form-points{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.form-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--ink-2)}
.form-points .icon{width:18px;height:18px;color:var(--green);margin-top:3px}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:30px 28px;box-shadow:var(--sh-2);
}
.form-card h3{font-size:20px}
.form-card .form-hint{margin-top:8px;font-size:14px;color:var(--ink-3)}
.lead-form{margin-top:22px;display:flex;flex-direction:column;gap:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.field .req{color:var(--orange);margin-left:2px}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  background:#fff;font-size:15px;line-height:1.5;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(18,102,227,.14);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#D92D20;box-shadow:0 0 0 3px rgba(217,45,32,.1)}
.field .err{display:none;margin-top:6px;font-size:13px;color:#D92D20}
.field.has-error .err{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px}
.check-row input[type="checkbox"]{width:18px;height:18px;margin-top:3px;flex:none;accent-color:var(--blue)}
.check-row label{font-size:13px;color:var(--ink-3);line-height:1.7;margin:0;font-weight:400}
.check-row a{color:var(--blue);text-decoration:underline}
.form-done{display:none;text-align:center;padding:24px 0 8px}
.form-done.is-show{display:block}
.done-icon{
  width:60px;height:60px;border-radius:50%;background:var(--green-050);color:var(--green);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;
}
.done-icon .icon{width:28px;height:28px}
.form-done p{font-size:15px;color:var(--ink-2);margin-bottom:20px}
.privacy-block{margin-top:64px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:32px 30px;box-shadow:var(--sh-1)}
.privacy-block h2{font-size:24px}
.privacy-list{margin-top:22px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 28px}
.privacy-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.75}
.privacy-list .icon{width:16px;height:16px;color:var(--blue);margin-top:4px}

/* 弹层 */
.modal{position:fixed;inset:0;z-index:200;display:none}
.modal.is-open{display:block}
.modal-mask{
  position:absolute;inset:0;background:rgba(14,27,44,.55);
  -webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);
  opacity:0;transition:opacity .24s ease;
}
.modal.is-open .modal-mask{opacity:1}
.modal-panel{
  position:absolute;left:50%;top:50%;width:520px;max-width:calc(100% - 40px);
  max-height:88vh;overflow:auto;background:#fff;border-radius:18px;
  padding:32px 28px 28px;box-shadow:0 24px 60px rgba(14,27,44,.3);
  opacity:0;transform:translate(-50%,-46%);transition:opacity .24s ease,transform .24s ease;
}
.modal.is-open .modal-panel{opacity:1;transform:translate(-50%,-50%)}
.modal-grab{display:none}
.modal-close{
  position:absolute;top:12px;right:12px;width:40px;height:40px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--ink-3);line-height:1;
}
.modal-close:hover{background:var(--bg-mist);color:var(--ink)}
.modal-title{font-size:21px}
.modal-sub{margin-top:8px;font-size:14px;color:var(--ink-3)}

/* 页脚 */
.site-footer{background:var(--ink);color:#C9D4E2;padding:64px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand .logo{color:#fff}
.foot-brand .logo:hover{color:#fff}
.foot-text{margin-top:18px;font-size:14px;line-height:1.85;color:#9FB0C6;max-width:300px}
.foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.foot-links{display:flex;flex-direction:column;gap:12px}
.foot-links a{font-size:14px;color:#C9D4E2}
.foot-links a:hover{color:var(--blue-300)}
.foot-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:#9FB0C6}
.foot-contact strong{color:#fff;font-weight:600}
.foot-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:12px 24px;
  align-items:center;justify-content:space-between;font-size:13px;color:#8A9AB0;
}
.foot-bottom a{color:#C9D4E2}
.foot-bottom a:hover{color:var(--blue-300)}

/* 移动底部 Tab */
.mobile-tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabbar .tab-item{
  flex:1;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  height:60px;font-size:11px;color:var(--ink-3);background:none;border:0;
  transition:color .2s ease;
}
.mobile-tabbar .tab-item .icon{width:22px;height:22px}
.mobile-tabbar .tab-item:hover{color:var(--blue)}
.mobile-tabbar .tab-item.is-active{color:var(--blue)}
.mobile-tabbar .tab-item.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:28px;height:2px;border-radius:2px;background:var(--blue);
}

/* 响应式 */
@media (max-width:1024px){
  .main-nav{display:none}
  .menu-toggle{display:inline-flex}
  .header-actions .btn-primary{display:none}
  .mobile-tabbar{display:flex}
  body{padding-bottom:76px}
  .section{padding:64px 0}
  .section--tight{padding:56px 0}
  .hero{padding:52px 0 60px}
  .hero-title{font-size:36px}
  .sec-title,.sec-top .sec-title{font-size:27px}
  .stat-num{font-size:46px}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .privacy-list{grid-template-columns:1fr}
}
@media (max-width:768px){
  .wrap{padding:0 20px}
  .hero-title{font-size:31px;line-height:1.3}
  .hero-sub{font-size:16px}
  .hero-figure img{aspect-ratio:16/10}
  .section{padding:52px 0}
  .section--tight{padding:44px 0}
  .sec-top{flex-direction:column;align-items:flex-start;gap:14px}
  .sec-title,.sec-top .sec-title{font-size:24px}
  .stat-num{font-size:40px}
  .stat-item{padding:12px 8px}
  .form-card{padding:24px 20px}
  .privacy-block{padding:24px 20px}
  .foot-grid{grid-template-columns:1fr;gap:32px}
  .modal-panel{
    left:0;right:0;bottom:0;top:auto;width:auto;max-width:none;max-height:90vh;
    border-radius:18px 18px 0 0;padding:26px 20px 28px;
    transform:translateY(40px);
  }
  .modal.is-open .modal-panel{transform:translateY(0)}
  .modal-grab{
    display:block;width:44px;height:4px;border-radius:99px;background:var(--line);
    margin:-8px auto 18px;
  }
}
@media (max-width:520px){
  .hero-title{font-size:28px}
  .hero-actions .btn{width:100%}
  .btn{height:46px;padding:0 22px}
  .plan-body{padding:22px 18px}
}

/* roulang page: article */
:root{
  --blue:#1266E3;--blue-700:#0C4CB0;--blue-050:#EEF3FD;
  --orange:#F4602A;--orange-700:#C84718;--orange-050:#FEF0EA;
  --teal:#0E9F7E;--teal-700:#0A7B60;--teal-050:#E8F7F2;
  --ink:#0E1B2C;--ink-2:#3A4A5E;--ink-3:#6B7A8D;
  --line:#DCE4EE;--line-soft:#EEF3F9;
  --bg:#FFFFFF;--bg-soft:#F5F8FD;
  --sh-1:0 1px 2px rgba(16,32,56,.06),0 4px 12px rgba(16,32,56,.06);
  --sh-2:0 10px 28px rgba(16,32,56,.11);
  --r-sm:10px;--r-md:16px;--r-pill:999px;
  --s1:4px;--s2:8px;--s3:12px;--s4:16px;--s5:24px;--s6:32px;--s7:48px;--s8:72px;--s9:88px;
}
*{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","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.75;padding-bottom:76px}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--blue-700)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.05em;padding-left:1.4em}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.grid-x{margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px}
@media (max-width:520px){.grid-x{margin-left:-8px;margin-right:-8px}.grid-x>.cell{padding-left:8px;padding-right:8px}}

/* header */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(16,32,56,.07)}
.header-inner{display:flex;align-items:center;gap:var(--s5);height:74px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;letter-spacing:-.01em}
.logo:hover{color:var(--ink)}
.logo-mark{display:inline-flex;flex-direction:column;gap:3px;width:26px}
.logo-mark i{display:block;height:3px;border-radius:2px;background:var(--blue)}
.logo-mark i:nth-child(2){width:72%;background:var(--orange)}
.logo-mark i:nth-child(3){width:44%;background:var(--teal)}
.logo-text{font-size:19px;line-height:1}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;display:inline-block;padding:9px 12px;border-radius:8px;color:var(--ink-2);font-size:15px;font-weight:500;white-space:nowrap}
.nav-link:hover{color:var(--blue);background:var(--blue-050)}
.nav-link.is-active{color:var(--blue);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--blue)}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font-size:17px;cursor:pointer}
.menu-btn:hover{border-color:var(--blue);color:var(--blue)}
.mobile-nav{display:none;background:#fff;border-top:1px solid var(--line);padding:10px 0 16px}
.mobile-nav .nav-link{display:block;padding:12px 24px;border-radius:0}
.mobile-nav.is-open{display:block}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;min-width:44px;padding:0 28px;border-radius:var(--r-sm);border:1.5px solid transparent;font-size:15px;font-weight:600;line-height:1;cursor:pointer;transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--orange);color:#fff}
.btn-accent:hover{background:var(--orange-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:#fff;color:var(--blue);border-color:var(--blue)}
.btn-ghost:hover{background:var(--blue-050);color:var(--blue-700);border-color:var(--blue-700);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--blue)}
.btn-light:hover{background:#EAF1FE;color:var(--blue-700);transform:translateY(-1px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--blue)}
.text-link:hover{gap:10px;color:var(--blue-700)}

/* breadcrumb */
.crumb-bar{background:var(--bg-soft);border-bottom:1px solid var(--line-soft)}
.breadcrumb{padding:14px 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;list-style:none;font-size:13px;color:var(--ink-3)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--line)}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--blue)}
.breadcrumb [aria-current="page"]{color:var(--blue);font-weight:600}

/* article head */
.article-head{padding:44px 0 32px;background:#fff}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600;background:var(--blue-050);color:var(--blue)}
.badge-teal{background:var(--teal-050);color:var(--teal-700)}
.article-head h1{margin:16px 0 0;font-size:44px;line-height:1.2;max-width:900px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;margin-top:18px;font-size:14px;color:var(--ink-3)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--blue)}
.head-figure{margin:28px 0 0;max-width:860px}
.head-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px}
.head-figure figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--ink-3)}

/* layout */
.article-layout{padding:8px 0 88px}
.article-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:36px 40px 40px}
.article-body{max-width:800px;font-size:16px;line-height:1.9;color:var(--ink-2)}
.article-body p{margin:0 0 1.05em}
.article-body h2{margin:2em 0 .8em;padding-left:14px;border-left:3px solid var(--blue);font-size:26px;line-height:1.4;color:var(--ink)}
.article-body h3{margin:1.6em 0 .6em;font-size:20px;line-height:1.45;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 1.05em;padding-left:1.4em;line-height:1.85}
.article-body li{margin-bottom:6px}
.article-body blockquote{margin:1.4em 0;padding:16px 20px;background:var(--blue-050);border-left:4px solid var(--blue);border-radius:0 10px 10px 0;color:var(--ink-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:1.4em auto}
.article-body figure{margin:1.4em 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--ink-3)}
.article-body a{text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{font-weight:600}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0}
.article-body th{background:var(--blue-050);text-align:left;font-weight:600;color:var(--ink)}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px}
.article-body .table-scroll{overflow-x:auto}

.empty-state{padding:48px 24px;text-align:center;background:var(--bg-soft);border:1px dashed var(--line);border-radius:var(--r-md)}
.empty-state i{font-size:34px;color:var(--ink-3)}
.empty-state h2{margin:14px 0 8px;font-size:22px;color:var(--ink)}
.empty-state p{color:var(--ink-3);margin-bottom:20px}

.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line-soft)}
.tag-row .tag{display:inline-flex;align-items:center;padding:6px 13px;border-radius:var(--r-pill);background:var(--bg-soft);border:1px solid var(--line);color:var(--ink-2);font-size:13px}
.tag-row .tag:hover{border-color:rgba(18,102,227,.4);color:var(--blue)}

/* side */
.side-stack{display:flex;flex-direction:column;gap:24px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.side-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,102,227,.3)}
.side-title{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-title i{color:var(--blue)}
.side-list{list-style:none;margin:0;padding:0}
.side-list li+li{border-top:1px solid var(--line-soft)}
.side-list a{display:flex;align-items:flex-start;gap:10px;padding:12px 0;font-size:15px;color:var(--ink-2)}
.side-list a:hover{color:var(--blue)}
.side-list .num{flex:0 0 22px;height:22px;border-radius:6px;background:var(--blue-050);color:var(--blue);font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-top:3px}
.side-cta{background:var(--blue);border-color:var(--blue);color:#fff}
.side-cta:hover{background:var(--blue-700);border-color:var(--blue-700)}
.side-cta .side-title{color:#fff}
.side-cta .side-title i{color:#fff}
.side-cta p{color:rgba(255,255,255,.85);font-size:14px;margin-bottom:20px}

/* prev next */
.nav-cards{margin-top:32px}
.nav-card{display:block;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:22px 24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.nav-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,102,227,.3)}
.nav-card .kicker{font-size:13px;color:var(--ink-3);display:block;margin-bottom:8px}
.nav-card strong{display:block;font-size:17px;color:var(--ink);line-height:1.5}
.nav-card span.arrow{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:14px;color:var(--blue);font-weight:600}

/* related */
.section{padding:72px 0}
.section-soft{background:var(--bg-soft)}
.section-tint{background:var(--blue-050)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:32px;line-height:1.25}
.section-head p{margin-top:12px;color:var(--ink-2)}
.post-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,102,227,.3)}
.post-card .thumb{aspect-ratio:16/10;overflow:hidden}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.post-card:hover .thumb img{transform:scale(1.03)}
.post-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.post-card h3{font-size:19px;line-height:1.45;margin:12px 0 10px}
.post-card h3 a{color:var(--ink)}
.post-card h3 a:hover{color:var(--blue)}
.post-card p{font-size:14px;color:var(--ink-3);margin-bottom:18px}
.post-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);border-top:1px solid var(--line-soft);padding-top:14px}
.post-card .foot i{color:var(--blue)}

/* faq */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-1);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,background-color .2s ease}
.faq-item.is-open{border-color:rgba(18,102,227,.35);background:#FBFCFE;box-shadow:inset 3px 0 0 var(--blue),var(--sh-1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:none;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--ink);cursor:pointer}
.faq-q:hover{color:var(--blue)}
.faq-q .ic{flex:0 0 22px;height:22px;position:relative;transition:transform .25s ease}
.faq-q .ic::before,.faq-q .ic::after{content:"";position:absolute;background:var(--blue);border-radius:2px}
.faq-q .ic::before{left:0;right:0;top:10px;height:2px}
.faq-q .ic::after{top:0;bottom:0;left:10px;width:2px}
.faq-item.is-open .ic{transform:rotate(45deg)}
.faq-a{display:none;padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.faq-item.is-open .faq-a{display:block}

/* cta */
.cta-band{background:var(--blue);border-radius:20px;padding:52px 48px;color:#fff;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-90px;top:-90px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.08)}
.cta-band h2{color:#fff;font-size:30px;line-height:1.3;max-width:620px}
.cta-band p{color:rgba(255,255,255,.86);max-width:620px;margin-top:14px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;position:relative;z-index:1}
.privacy-list{list-style:none;margin:24px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.privacy-list li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.88);line-height:1.7}
.privacy-list i{color:#fff;margin-top:4px}

/* modal */
.overlay{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(14,27,44,.55);backdrop-filter:blur(2px)}
.overlay.is-open{display:flex;animation:fadeIn .24s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{width:100%;max-width:520px;background:#fff;border-radius:18px;box-shadow:var(--sh-2);padding:28px 28px 26px;max-height:90vh;overflow:auto;animation:slideUp .24s ease}
@keyframes slideUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}
.modal-head h2{font-size:22px}
.modal-head p{font-size:14px;color:var(--ink-3);margin:8px 0 0}
.modal-close{flex:0 0 40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink-2);font-size:16px;cursor:pointer}
.modal-close:hover{border-color:var(--blue);color:var(--blue)}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:var(--ink)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-sm);font-size:15px;font-family:inherit;color:var(--ink);background:#fff;transition:border-color .2s ease,box-shadow .2s ease}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(18,102,227,.14)}
.field.is-error input,.field.is-error select{border-color:#D93B2B}
.field .err{display:none;margin-top:6px;font-size:13px;color:#D93B2B}
.field.is-error .err{display:block}
.check{display:flex;align-items:flex-start;gap:10px;margin:4px 0 18px;font-size:13px;color:var(--ink-2);line-height:1.6}
.check input{width:18px;height:18px;margin-top:2px;accent-color:var(--blue)}
.success{text-align:center;padding:26px 8px 8px}
.success .ok{width:64px;height:64px;margin:0 auto 18px;border-radius:50%;background:var(--teal-050);color:var(--teal-700);display:flex;align-items:center;justify-content:center;font-size:26px}
.success h3{font-size:20px;margin-bottom:10px}
.success p{color:var(--ink-3);font-size:14px}

/* footer */
.site-footer{background:var(--ink);color:#C9D4E2;padding:64px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:44px}
.foot-brand .logo{color:#fff}
.foot-brand .logo:hover{color:#fff}
.foot-text{margin-top:16px;font-size:14px;line-height:1.8;color:#93A3B8;max-width:320px}
.foot-title{font-size:15px;color:#fff;margin-bottom:16px}
.foot-links{display:flex;flex-direction:column;gap:10px;font-size:14px}
.foot-links a{color:#C9D4E2}
.foot-links a:hover{color:#5B97F0}
.foot-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#C9D4E2}
.foot-contact strong{color:#fff;font-weight:600}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:#93A3B8}
.foot-bottom a{color:#C9D4E2}
.foot-bottom a:hover{color:#5B97F0}

/* mobile tab */
.mobile-tab{position:fixed;left:0;right:0;bottom:0;z-index:100;display:none;height:60px;background:rgba(255,255,255,.98);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.tab-item{flex:1;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:var(--ink-3);min-height:44px}
.tab-item i{font-size:17px}
.tab-item:hover{color:var(--blue)}
.tab-item.is-active{color:var(--blue);font-weight:600}
.tab-item.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;border-radius:2px;background:var(--blue)}

@media (max-width:1024px){
  .article-head h1{font-size:36px}
  .article-card{padding:28px 26px 32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .privacy-list{grid-template-columns:1fr}
}
@media (max-width:900px){
  .main-nav{display:none}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .mobile-tab{display:flex}
  .header-inner{height:64px}
  .article-body h2{font-size:22px}
  .section{padding:52px 0}
  .section-head h2{font-size:24px}
  .cta-band{padding:36px 24px;border-radius:16px}
  .cta-band h2{font-size:23px}
  .article-layout{padding-bottom:56px}
}
@media (min-width:901px){body{padding-bottom:0}}
@media (max-width:768px){
  .article-head{padding:28px 0 22px}
  .article-head h1{font-size:30px}
  .wrap{padding:0 20px}
  .side-stack{margin-top:28px}
}
@media (max-width:520px){
  .foot-grid{grid-template-columns:1fr}
  .modal{border-radius:18px 18px 0 0;position:fixed;left:0;right:0;bottom:0;max-width:none;max-height:88vh;animation:drawerUp .24s ease}
  .overlay{align-items:flex-end;padding:0}
  .overlay.is-open{align-items:flex-end}
  @keyframes drawerUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
  .article-card{padding:22px 18px 26px;border-radius:14px}
  .article-body{font-size:16px}
  .btn{height:46px;padding:0 22px}
}

/* roulang page: category1 */
:root{
  --c-primary:#1266E3;
  --c-primary-700:#0D4FB5;
  --c-primary-300:#7FB0F5;
  --c-primary-050:#EEF3FD;
  --c-accent:#F4602A;
  --c-accent-700:#C9451A;
  --c-accent-050:#FEF0EA;
  --c-teal:#0E9F7E;
  --c-teal-050:#E7F7F2;
  --ink:#0E1B2C;
  --ink-2:#3A4A5E;
  --ink-3:#6B7A8D;
  --line:#DCE4EE;
  --line-2:#EDF2F9;
  --bg:#FFFFFF;
  --bg-soft:#F5F8FD;
  --bg-tint:#EEF3FD;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:16px;
  --r-xl:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,32,56,.06), 0 4px 12px rgba(16,32,56,.06);
  --sh-2:0 10px 28px rgba(16,32,56,.11);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px;
  --sp-6:32px; --sp-7:48px; --sp-8:72px; --sp-9:88px;
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--c-primary-700);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink);}
p{margin:0;}
figure{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--soft{background:var(--bg-soft);}
.section--tint{background:var(--bg-tint);}
.section--tight{padding:72px 0;}

h1{font-size:46px;line-height:1.2;}
h2{font-size:33px;line-height:1.25;}
h3{font-size:21px;line-height:1.4;}
.lead{font-size:17px;line-height:1.8;color:var(--ink-2);}
.muted{color:var(--ink-3);font-size:14px;line-height:1.6;}
.section-head{max-width:800px;margin:0 auto 40px;text-align:center;}
.section-head .lead{margin-top:14px;}
.section-head--left{margin-left:0;text-align:left;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);letter-spacing:.02em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--c-primary);}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1.4;
  background:var(--c-primary-050);color:var(--c-primary);
}
.badge--teal{background:var(--c-teal-050);color:var(--c-teal);}
.badge--accent{background:var(--c-accent-050);color:var(--c-accent-700);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;text-align:center;transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:var(--c-accent-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:#fff;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-050);color:var(--c-primary-700);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-primary);background:none;border:0;padding:0;cursor:pointer;
}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover i{transform:translateX(3px);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 2px 14px rgba(16,32,56,.07);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:70px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink);}
.logo:hover{color:var(--c-primary);}
.logo-mark{
  width:30px;height:30px;border-radius:9px;background:var(--c-primary-050);
  display:inline-flex;align-items:flex-end;justify-content:center;gap:3px;padding:6px;flex:0 0 auto;
}
.logo-mark i{display:block;width:4px;border-radius:2px;background:var(--c-primary);}
.logo-mark i:nth-child(1){height:8px;opacity:.5;}
.logo-mark i:nth-child(2){height:14px;}
.logo-mark i:nth-child(3){height:10px;background:var(--c-accent);}
.logo-text{white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;border-radius:8px;
  font-size:15px;color:var(--ink-2);white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-050);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--c-primary);
}
.header-actions{display:flex;align-items:center;gap:10px;}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;
}
.menu-toggle:hover{border-color:var(--c-primary-300);color:var(--c-primary);}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0 18px;}
.mobile-menu.is-open{display:block;}
.mobile-menu .nav-link{display:block;padding:12px 4px;font-size:16px;border-bottom:1px solid var(--line-2);border-radius:0;}
.mobile-menu .nav-link.is-active::after{display:none;}
.mobile-menu .btn{margin-top:16px;}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#F5F8FD 0%,#FFFFFF 100%);padding:48px 0 76px;}
.page-hero-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;opacity:.12;pointer-events:none;}
.page-hero-arc{
  position:absolute;right:-90px;top:-80px;width:320px;height:320px;border-radius:50%;
  border:34px solid rgba(18,102,227,.06);pointer-events:none;
}
.page-hero .wrap{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:26px;}
.crumbs a{color:var(--ink-3);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .sep{color:var(--line);}
.crumbs .now{color:var(--c-primary);font-weight:600;}
.page-hero h1{margin:16px 0 18px;}
.page-hero .lead{max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.trust-row{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:26px;}
.trust-row li{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);}
.trust-row i{color:var(--c-teal);}
.hero-media{border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);border:1px solid var(--line);background:#fff;}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ---------- grid tweak ---------- */
.grid-x.grid-padding-x{margin-left:-12px;margin-right:-12px;row-gap:24px;}
.grid-x.grid-padding-x > .cell{padding-left:12px;padding-right:12px;}
.grid-x.grid-padding-x.nogap-y{row-gap:0;}

/* ---------- split sections ---------- */
.split-text .lead{margin-top:16px;}
.check-list{margin-top:22px;display:grid;gap:12px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2);line-height:1.7;}
.check-list i{color:var(--c-primary);margin-top:5px;font-size:14px;}
.split-media{border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);border:1px solid var(--line);background:#fff;}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .4s ease;}
.split-media:hover img{transform:scale(1.02);}
.split-quote{
  margin-top:24px;padding:16px 20px;border-left:4px solid var(--c-primary);
  background:var(--bg-tint);border-radius:0 12px 12px 0;font-size:15px;color:var(--ink-2);
}
.section--soft .split-quote{background:#fff;}

/* ---------- scene cards ---------- */
.scene-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,102,227,.3);}
.icon-block{
  width:48px;height:48px;border-radius:12px;background:var(--c-primary-050);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-primary);font-size:20px;margin-bottom:18px;
}
.icon-block--accent{background:var(--c-accent-050);color:var(--c-accent);}
.icon-block--teal{background:var(--c-teal-050);color:var(--c-teal);}
.scene-card h3{margin-bottom:10px;}
.scene-card p{font-size:15px;color:var(--ink-2);line-height:1.75;}
.scene-meta{margin-top:16px;font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px;}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion{background:transparent;border:0;margin:0;padding:0;}
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.accordion-item:hover{border-color:rgba(18,102,227,.35);}
.accordion-item.is-active{border-color:rgba(18,102,227,.35);box-shadow:var(--sh-1);}
.accordion-title{
  position:relative;display:flex !important;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px !important;border:0 !important;font-size:17px;font-weight:600;color:var(--ink);
  background:transparent;line-height:1.5;
}
.accordion-title::before{display:none !important;content:none !important;}
.accordion-title:hover{color:var(--c-primary);}
.accordion-item.is-active .accordion-title{background:#FBFCFE;box-shadow:inset 3px 0 0 var(--c-primary);}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-050);color:var(--c-primary);font-size:12px;transition:transform .25s ease;
}
.accordion-item.is-active .faq-icon{transform:rotate(45deg);background:var(--c-primary);color:#fff;}
.accordion-content{padding:0 24px 22px !important;border:0 !important;background:transparent !important;color:var(--ink-2) !important;font-size:15px;line-height:1.8;}
.accordion-item.is-active > .accordion-content{display:block;}

/* ---------- cta ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:20px;background:var(--c-primary);color:#fff;
  padding:52px 48px;box-shadow:var(--sh-2);
}
.cta-card::after{
  content:"";position:absolute;right:-70px;bottom:-110px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.09);
}
.cta-card h2{color:#fff;}
.cta-card p{color:rgba(255,255,255,.86);font-size:16px;margin-top:14px;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;position:relative;z-index:2;}
.cta-card .btn-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.cta-card .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.cta-card .badge{background:rgba(255,255,255,.16);color:#fff;}

/* ---------- privacy ---------- */
.privacy-list{display:grid;gap:12px;margin-top:20px;}
.privacy-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.7;}
.privacy-list i{color:var(--c-teal);margin-top:5px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C9D4E2;padding:72px 0 0;}
.site-footer .logo{color:#fff;}
.site-footer .logo:hover{color:var(--c-primary-300);}
.site-footer .logo-mark{background:rgba(255,255,255,.09);}
.site-footer .logo-mark i{background:var(--c-primary-300);}
.site-footer .logo-mark i:nth-child(3){background:var(--c-accent);}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.foot-text{font-size:14px;line-height:1.8;color:#9FB0C4;margin-top:18px;max-width:340px;}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.foot-links{display:grid;gap:10px;}
.foot-links a{color:#C9D4E2;font-size:14px;}
.foot-links a:hover{color:var(--c-primary-300);}
.foot-contact{display:grid;gap:10px;font-size:14px;color:#9FB0C4;}
.foot-contact strong{color:#C9D4E2;font-weight:600;}
.foot-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8A9BB0;
}
.foot-bottom a{color:#C9D4E2;}
.foot-bottom a:hover{color:var(--c-primary-300);}

/* ---------- mobile tab bar ---------- */
.tab-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.98);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab-bar-inner{display:flex;height:60px;}
.tab-item{
  position:relative;flex:1 1 0;min-width:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  background:none;border:0;cursor:pointer;color:var(--ink-3);padding:0 2px;
  font-size:11px;line-height:1.1;
}
.tab-item i{font-size:17px;}
.tab-item span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;}
.tab-item.is-active,.tab-item:hover{color:var(--c-primary);}
.tab-item.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:24px;height:2px;border-radius:0 0 2px 2px;background:var(--c-primary);
}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;z-index:120;display:none;}
.modal.is-open{display:block;}
.modal-backdrop{position:absolute;inset:0;background:rgba(14,27,44,.55);backdrop-filter:blur(2px);}
.modal-panel{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(520px,calc(100% - 40px));max-height:90vh;overflow-y:auto;
  background:#fff;border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh-2);
  animation:modalIn .24s ease;
}
@keyframes modalIn{from{opacity:0;transform:translate(-50%,-46%);}to{opacity:1;transform:translate(-50%,-50%);}}
.modal-close{
  position:absolute;right:12px;top:12px;width:40px;height:40px;border-radius:50%;
  border:0;background:var(--bg-soft);color:var(--ink-2);cursor:pointer;
}
.modal-close:hover{background:var(--c-primary-050);color:var(--c-primary);}
.modal h3{font-size:22px;margin-bottom:8px;}
.modal-sub{font-size:14px;color:var(--ink-3);margin-bottom:22px;}
.modal-handle{display:none;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink-2);}
.field .req{color:var(--c-accent);margin-left:2px;}
.field input[type="text"],.field input[type="tel"],.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;
  font-size:15px;background:#fff;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,102,227,.12);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#D93B3B;box-shadow:0 0 0 3px rgba(217,59,59,.1);}
.err-msg{display:none;font-size:13px;color:#D93B3B;margin-top:6px;}
.field.has-error .err-msg{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);line-height:1.7;}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-primary);flex:0 0 auto;}
.modal-success{text-align:center;padding:20px 0 6px;}
.modal-success i{font-size:44px;color:var(--c-teal);}
.modal-success h3{margin:16px 0 8px;}
.modal-success p{font-size:14px;color:var(--ink-2);margin-bottom:22px;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .main-nav{display:none;}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-actions .btn{display:none;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  h1{font-size:36px;}
  h2{font-size:28px;}
}
@media (max-width:767px){
  body{padding-bottom:76px;}
  .tab-bar{display:block;}
  .section{padding:52px 0;}
  .section--tight{padding:44px 0;}
  .wrap{padding:0 20px;}
  h1{font-size:30px;line-height:1.3;}
  h2{font-size:24px;line-height:1.3;}
  h3{font-size:19px;}
  .lead{font-size:16px;}
  .page-hero{padding:32px 0 52px;}
  .hero-actions .btn{flex:1 1 100%;}
  .cta-card{padding:34px 24px;}
  .cta-actions .btn{flex:1 1 100%;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;}
  .modal-panel{
    left:0;right:0;bottom:0;top:auto;transform:none;width:100%;max-height:92vh;
    border-radius:18px 18px 0 0;padding:26px 20px calc(26px + env(safe-area-inset-bottom));
    animation:sheetIn .24s ease;
  }
  @keyframes sheetIn{from{opacity:0;transform:translateY(24px);}to{opacity:1;transform:translateY(0);}}
  .modal-handle{display:block;width:40px;height:4px;border-radius:2px;background:var(--line);margin:0 auto 18px;}
  .accordion-title{font-size:16px;padding:18px 18px !important;}
  .accordion-content{padding:0 18px 18px !important;}
}
@media (max-width:520px){
  .scene-card{padding:22px 18px;}
  .trust-row{gap:10px 18px;}
}

/* roulang page: category2 */
:root{
  --brand:#1266E3; --brand-700:#0C4FB4; --brand-050:#EEF3FD;
  --accent:#F4602A; --accent-700:#C9451A; --accent-050:#FFF1EA;
  --jade:#0E9F7E; --jade-700:#0A7C62; --jade-050:#E9F7F2;
  --ink:#0E1B2C; --ink-2:#3A4A5E; --ink-3:#6B7A8D;
  --line:#DCE4EE; --line-2:#EDF2F9;
  --bg:#FFFFFF; --bg-soft:#F5F8FD; --bg-blue:#EEF3FD;
  --sh-1:0 1px 2px rgba(16,32,56,.06), 0 4px 12px rgba(16,32,56,.06);
  --sh-2:0 10px 28px rgba(16,32,56,.11);
  --r-lg:16px; --r-md:10px; --r-sm:8px;
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:72px; --s9:88px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--ink-2);
  background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-700)}
h1,h2,h3,h4{color:var(--ink);font-weight:700;letter-spacing:-.01em;margin:0}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.22}
h2{font-size:clamp(24px,3vw,33px);line-height:1.27}
h3{font-size:21px;line-height:1.4}
p{margin:0 0 1.05em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:88px 0}
.section-sm{padding:72px 0}
.bg-soft{background:var(--bg-soft)}
.bg-blue{background:var(--bg-blue)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--brand-050);color:var(--brand-700);font-size:13px;font-weight:600;letter-spacing:.01em;
}
.eyebrow.is-accent{background:var(--accent-050);color:var(--accent-700)}
.eyebrow.is-jade{background:var(--jade-050);color:var(--jade-700)}
.sec-head{max-width:820px;margin-bottom:38px}
.sec-head p{margin-top:14px;font-size:16.5px;color:var(--ink-3)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 2px 14px rgba(16,32,56,.06)}
.head-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;letter-spacing:-.01em}
.logo:hover{color:var(--ink)}
.logo-mark{display:inline-flex;align-items:flex-end;gap:3px;height:22px}
.logo-mark i{display:block;width:5px;border-radius:2px;background:var(--brand)}
.logo-mark i:nth-child(1){height:12px;background:var(--accent)}
.logo-mark i:nth-child(2){height:18px}
.logo-mark i:nth-child(3){height:22px;background:var(--jade)}
.logo-text{font-size:19px}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;padding:9px 13px;border-radius:var(--r-md);color:var(--ink-2);font-size:15px;font-weight:500;
  transition:color .18s,background .18s;
}
.nav-link:hover{color:var(--brand);background:var(--brand-050)}
.nav-link.is-active{color:var(--brand);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);
}
.head-actions{display:flex;align-items:center;gap:12px}
.menu-btn{
  display:none;width:44px;height:44px;border-radius:var(--r-md);border:1.5px solid var(--line);background:#fff;
  color:var(--ink);align-items:center;justify-content:center;font-size:18px;cursor:pointer;transition:border-color .18s,color .18s;
}
.menu-btn:hover{border-color:var(--brand);color:var(--brand)}
/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--r-md);
  font-size:15.5px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:background .18s,color .18s,border-color .18s,transform .18s,box-shadow .18s;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--sh-1)}
.btn-accent:hover{background:var(--accent-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-050);color:var(--brand-700);transform:translateY(-1px)}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px}
.btn-link i{transition:transform .18s}
.btn-link:hover i{transform:translateX(3px)}
/* 面包屑 */
.crumb-bar{background:var(--bg-soft);border-bottom:1px solid var(--line-2)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding:12px 0}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#B7C2D0}
.crumb .now{color:var(--brand);font-weight:600}
/* Hero */
.page-hero{position:relative;overflow:hidden;background:var(--ink)}
.page-hero .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.42}
.page-hero .hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,27,44,.94) 0%,rgba(14,27,44,.78) 48%,rgba(18,102,227,.34) 100%)}
.page-hero .wrap{position:relative;z-index:2;padding-top:72px;padding-bottom:72px}
.page-hero h1{color:#fff;max-width:900px}
.page-hero .hero-sub{max-width:760px;margin-top:18px;font-size:17px;line-height:1.8;color:#C9D4E2}
.page-hero .eyebrow{background:rgba(255,255,255,.12);color:#DCE8FB;margin-bottom:18px}
.hero-facts{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;color:#C9D4E2;font-size:14px}
.hero-facts span{display:inline-flex;align-items:center;gap:8px}
.hero-facts i{color:var(--jade)}
/* 筛选标签 */
.filter-bar{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:3}
.filter-row{display:flex;flex-wrap:wrap;gap:10px;padding:18px 0}
.chip{
  display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:13.5px;font-weight:500;
  transition:border-color .18s,color .18s,background .18s,transform .18s;
}
.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-050);transform:translateY(-1px)}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.chip.is-on:hover{background:var(--brand-700);color:#fff}
/* 卡片网格 */
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{margin-left:12px;margin-right:12px;width:calc(100% - 24px)}
@media print,screen and (min-width:40em){
  .grid-margin-x>.cell.medium-6{width:calc(50% - 24px)}
}
@media screen and (min-width:64em){
  .grid-margin-x>.cell.large-4{width:calc(33.3333% - 24px)}
  .grid-margin-x>.cell.large-6{width:calc(50% - 24px)}
  .grid-margin-x>.cell.large-8{width:calc(66.6667% - 24px)}
}
.data-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;height:100%;
  box-shadow:var(--sh-1);transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;flex-direction:column;
}
.data-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,102,227,.3)}
.icon-tile{
  width:48px;height:48px;border-radius:14px;background:var(--brand-050);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:18px;
}
.icon-tile.is-accent{background:var(--accent-050);color:var(--accent)}
.icon-tile.is-jade{background:var(--jade-050);color:var(--jade-700)}
.data-card h3{margin-bottom:10px;font-size:20px}
.data-card p{font-size:15px;color:var(--ink-3);margin-bottom:16px}
.mini-list{margin-top:auto;border-top:1px dashed var(--line);padding-top:14px;display:grid;gap:9px}
.mini-list li{position:relative;padding-left:18px;font-size:14px;color:var(--ink-2)}
.mini-list li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--brand)}
.mini-list.is-accent li::before{background:var(--accent)}
/* 清单带 */
.spec-band{padding:56px 0}
.spec-band h2{margin-bottom:12px}
.spec-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:32px}
.spec-col{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1)}
.spec-col h3{font-size:18px;display:flex;align-items:center;gap:10px;margin-bottom:14px}
.spec-col h3 i{color:var(--brand)}
.spec-col ul{display:grid;gap:10px}
.spec-col li{font-size:14.5px;color:var(--ink-2);padding-left:16px;position:relative}
.spec-col li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:2px;border-radius:2px;background:var(--brand)}
/* 排行深色区 */
.rank-section{position:relative;overflow:hidden;background:var(--ink);padding:88px 0}
.rank-section .rank-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;opacity:.22}
.rank-section .wrap{position:relative;z-index:2}
.rank-section h2{color:#fff}
.rank-section .rank-desc{color:#A9B8CB;max-width:720px;margin-top:14px;font-size:16px}
.rank-list{margin-top:36px;display:grid;gap:14px}
.rank-item{
  display:flex;align-items:center;gap:20px;padding:20px 24px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);transition:background .2s,border-color .2s,transform .2s;
}
.rank-item:hover{background:rgba(255,255,255,.11);border-color:rgba(18,102,227,.6);transform:translateY(-2px)}
.rank-no{
  flex:0 0 auto;width:40px;height:40px;border-radius:var(--r-md);display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.1);color:#fff;font-weight:700;font-family:var(--font-num);font-variant-numeric:tabular-nums;
}
.rank-item:nth-child(1) .rank-no{background:var(--accent);color:#fff}
.rank-item:nth-child(2) .rank-no{background:var(--brand);color:#fff}
.rank-item:nth-child(3) .rank-no{background:var(--jade);color:#fff}
.rank-body{flex:1 1 auto;min-width:0}
.rank-body h3{color:#fff;font-size:17px;margin-bottom:4px}
.rank-body p{color:#A9B8CB;font-size:14px;margin:0}
.rank-val{flex:0 0 auto;text-align:right;color:#fff;font-family:var(--font-num);font-variant-numeric:tabular-nums}
.rank-val b{display:block;font-size:22px;font-weight:700}
.rank-val span{font-size:12.5px;color:#8C9CB1}
.rank-note{margin-top:22px;font-size:13px;color:#8C9CB1}
/* FAQ */
.faq-list{display:grid;gap:12px;max-width:920px;margin-top:34px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item:hover{border-color:rgba(18,102,227,.3)}
.faq-item.is-open{border-color:rgba(18,102,227,.4);box-shadow:var(--sh-1);background:#FBFCFE}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;
  background:transparent;border:0;padding:20px 22px;font-size:17px;font-weight:600;color:var(--ink);cursor:pointer;
}
.faq-item.is-open .faq-q{box-shadow:inset 3px 0 0 var(--brand)}
.faq-plus{position:relative;flex:0 0 auto;width:20px;height:20px;transition:transform .22s}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-plus::before{left:0;top:9px;width:20px;height:2px}
.faq-plus::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-plus{transform:rotate(45deg)}
.faq-a{display:none;padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.faq-a p:last-child{margin-bottom:0}
.faq-item.is-open .faq-a{display:block}
/* CTA */
.cta-card{
  background:linear-gradient(120deg,var(--brand) 0%,#0F55C0 100%);border-radius:var(--r-lg);padding:44px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;color:#fff;box-shadow:var(--sh-2);
}
.cta-card h2{color:#fff}
.cta-card p{color:#D7E4FA;margin-top:14px;font-size:16px}
.cta-points{display:grid;gap:10px;margin-top:22px}
.cta-points li{display:flex;gap:10px;font-size:15px;color:#E8F0FE}
.cta-points i{color:#9FE7D0;margin-top:5px}
.cta-side{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:var(--r-lg);padding:26px}
.cta-side h3{color:#fff;font-size:18px;margin-bottom:14px}
.cta-side ul{display:grid;gap:12px}
.cta-side li{display:flex;gap:10px;font-size:14.5px;color:#E4EDFB}
.cta-side li i{color:#fff;margin-top:5px}
.privacy-note{margin-top:22px;display:grid;gap:10px}
.privacy-note span{display:flex;gap:9px;font-size:13.5px;color:var(--ink-3)}
.privacy-note i{color:var(--jade-700);margin-top:4px}
/* 页脚 */
.site-footer{background:var(--ink);color:#C9D4E2;padding:64px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.logo-text{color:#fff}
.site-footer .logo{color:#fff}
.foot-text{margin-top:16px;font-size:14px;line-height:1.8;color:#9FB0C4;max-width:340px}
.foot-title{font-size:15px;color:#fff;margin-bottom:16px}
.foot-links{display:grid;gap:11px}
.foot-links a{color:#C9D4E2;font-size:14px}
.foot-links a:hover{color:#6FA8F5}
.foot-contact{display:grid;gap:11px;font-size:14px;color:#9FB0C4}
.foot-contact strong{color:#C9D4E2;font-weight:600}
.foot-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;
  justify-content:space-between;font-size:13.5px;color:#8395AB;
}
.foot-bottom a{color:#C9D4E2}
.foot-bottom a:hover{color:#6FA8F5}
/* 移动底部 Tab */
.tab-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;height:60px;background:rgba(255,255,255,.97);
  border-top:1px solid var(--line);z-index:70;padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -2px 14px rgba(16,32,56,.06);
}
.tab-bar ul{display:flex;height:60px}
.tab-bar li{flex:1 1 0;min-width:0}
.tab-bar a{
  position:relative;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  color:var(--ink-3);font-size:11px;font-weight:500;
}
.tab-bar a i{font-size:17px}
.tab-bar a.is-active{color:var(--brand);font-weight:700}
.tab-bar a.is-active::before{content:"";position:absolute;top:0;left:22%;right:22%;height:2px;border-radius:2px;background:var(--brand)}
/* 抽屉菜单 */
.drawer{
  position:fixed;inset:72px 0 auto;background:#fff;border-bottom:1px solid var(--line);z-index:59;
  transform:translateY(-12px);opacity:0;pointer-events:none;transition:transform .22s,opacity .22s;box-shadow:var(--sh-2);
}
.drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
.drawer .wrap{padding-top:18px;padding-bottom:22px;display:grid;gap:6px}
.drawer a.drawer-link{padding:13px 14px;border-radius:var(--r-md);color:var(--ink-2);font-size:15.5px;font-weight:500}
.drawer a.drawer-link:hover{background:var(--bg-soft);color:var(--brand)}
.drawer a.drawer-link.is-active{color:var(--brand);background:var(--brand-050);font-weight:700}
.drawer .btn{margin-top:10px;width:100%}
/* 弹层 */
.overlay{
  position:fixed;inset:0;background:rgba(14,27,44,.55);backdrop-filter:blur(2px);z-index:90;
  display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;pointer-events:none;transition:opacity .22s;
}
.overlay.is-open{opacity:1;pointer-events:auto}
.modal{
  width:520px;max-width:100%;max-height:90vh;overflow:auto;background:#fff;border-radius:18px;padding:32px;
  transform:translateY(14px);transition:transform .24s;box-shadow:var(--sh-2);
}
.overlay.is-open .modal{transform:translateY(0)}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:8px}
.modal-head h2{font-size:23px}
.modal-head p{font-size:14px;color:var(--ink-3);margin-top:8px}
.modal-close{
  flex:0 0 auto;width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;
  color:var(--ink-2);cursor:pointer;font-size:16px;transition:border-color .18s,color .18s;
}
.modal-close:hover{border-color:var(--accent);color:var(--accent)}
.field{margin-top:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:7px}
.field .req{color:var(--accent)}
.field input,.field select,.field textarea{
  width:100%;border:1.5px solid var(--line);border-radius:var(--r-md);padding:12px 14px;font-size:15px;
  font-family:inherit;color:var(--ink);background:#fff;transition:border-color .18s,box-shadow .18s;
}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,102,227,.14);
}
.field.has-error input{border-color:#D93025;box-shadow:0 0 0 3px rgba(217,48,37,.12)}
.err-msg{display:none;font-size:13px;color:#D93025;margin-top:6px}
.field.has-error .err-msg{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-top:18px;font-size:13.5px;color:var(--ink-3)}
.check-row input{width:18px;height:18px;margin-top:2px;accent-color:var(--brand)}
.check-row a{text-decoration:underline}
.modal .btn{width:100%;margin-top:20px}
.modal-success{display:none;text-align:center;padding:18px 0}
.modal-success i{font-size:44px;color:var(--jade)}
.modal-success h3{margin-top:16px}
.modal-success p{margin-top:10px;font-size:15px;color:var(--ink-3)}
body.is-locked{overflow:hidden}
/* 响应式 */
@media screen and (max-width:1023px){
  .main-nav{display:none}
  .menu-btn{display:inline-flex}
  .head-actions .btn-primary{display:none}
  .spec-cols{grid-template-columns:1fr}
  .cta-card{grid-template-columns:1fr;gap:28px;padding:34px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media screen and (max-width:768px){
  .wrap{padding:0 20px}
  .section{padding:52px 0}
  .section-sm{padding:44px 0}
  .rank-section{padding:56px 0}
  .page-hero .wrap{padding-top:48px;padding-bottom:52px}
  .page-hero .hero-sub{font-size:15.5px}
  .hero-facts{gap:14px;font-size:13.5px}
  .tab-bar{display:block}
  body{padding-bottom:76px}
  .foot-bottom{flex-direction:column;gap:8px}
  .rank-item{padding:16px;gap:14px;flex-wrap:wrap}
  .rank-val{text-align:left}
  .overlay{align-items:flex-end;padding:0}
  .modal{
    width:100%;border-radius:18px 18px 0 0;padding:24px 20px 28px;max-height:92vh;position:relative;
  }
  .modal::before{
    content:"";position:absolute;top:8px;left:50%;transform:translateX(-50%);width:44px;height:4px;
    border-radius:2px;background:var(--line);
  }
  .modal-head{padding-top:10px}
}
@media screen and (max-width:520px){
  .foot-grid{grid-template-columns:1fr}
  .cta-card{padding:26px}
  .data-card{padding:22px}
  .filter-row{gap:8px;padding:14px 0}
  .chip{height:36px;padding:0 13px;font-size:13px}
}

/* roulang page: category3 */
:root{
  --primary:#1266E3;
  --primary-700:#0D4FB5;
  --primary-300:#7FAEF3;
  --primary-050:#EEF3FD;
  --accent:#F4602A;
  --accent-700:#C94617;
  --accent-050:#FEF0EA;
  --teal:#0E9F7E;
  --teal-700:#0A7A61;
  --teal-050:#E7F6F1;
  --ink:#0E1B2C;
  --ink-2:#3A4A5E;
  --ink-3:#6B7A8D;
  --line:#DCE4EE;
  --line-2:#EDF1F7;
  --bg:#FFFFFF;
  --bg-mist:#F5F8FD;
  --bg-blue:#EEF3FD;
  --sh-1:0 1px 2px rgba(16,32,56,.06), 0 4px 12px rgba(16,32,56,.06);
  --sh-2:0 10px 28px rgba(16,32,56,.11);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:18px;
  --r-pill:999px;
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:72px; --s9:88px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SFMono-Regular","Menlo","Consolas","PingFang SC",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.75;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font);color:var(--ink);font-weight:700;letter-spacing:-.01em;margin:0;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--primary-700)}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.grid-x > .cell{padding-left:15px;padding-right:15px}
.grid-padding-x{margin-left:-15px;margin-right:-15px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:saturate(160%) blur(8px);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(16,32,56,.07)}
.header-inner{display:flex;align-items:center;gap:16px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;flex:0 0 auto}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--primary);
  display:inline-flex;align-items:flex-end;justify-content:center;gap:3px;padding:8px 7px;
}
.logo-mark i{display:block;width:4px;border-radius:2px;background:#fff}
.logo-mark i:nth-child(1){height:8px;opacity:.72}
.logo-mark i:nth-child(2){height:15px}
.logo-mark i:nth-child(3){height:11px;opacity:.86}
.logo-text{font-size:18px;letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 13px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;
}
.nav-link:hover{color:var(--primary);background:var(--primary-050)}
.nav-link.is-active{color:var(--primary);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:8px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-sm);
  border:1.5px solid transparent;font-size:16px;font-weight:600;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(18,102,227,.22)}
.btn-primary:hover{background:var(--primary-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:0 3px 10px rgba(18,102,227,.24)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:#fff;color:var(--primary);border-color:rgba(18,102,227,.45)}
.btn-ghost:hover{background:var(--primary-050);color:var(--primary-700);border-color:var(--primary);transform:translateY(-1px)}
.btn-white{background:#fff;color:var(--primary)}
.btn-white:hover{background:#F2F6FE;color:var(--primary-700);transform:translateY(-1px)}
.btn-sm{height:42px;padding:0 20px;font-size:15px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px}
.link-arrow::after{content:"→";transition:transform .2s ease}
.link-arrow:hover::after{transform:translateX(3px)}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section-lg{padding:88px 0}
.section-mist{background:var(--bg-mist)}
.section-blue{background:var(--bg-blue)}
.eyebrow{
  display:inline-block;margin-bottom:14px;
  font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--primary);
  padding-left:12px;position:relative;
}
.eyebrow::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:2px;background:var(--accent)}
.section-head{max-width:780px;margin-bottom:40px}
.section-head h2{font-size:33px;line-height:1.25}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-2)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;background:var(--primary-050);color:var(--primary);
}
.badge-teal{background:var(--teal-050);color:var(--teal-700)}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--ink-3);margin-bottom:26px}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:#B9C5D4}
.crumbs .cur{color:var(--primary);font-weight:600}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--bg-mist);padding:56px 0 76px}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.10;
}
.hero-deco{position:absolute;right:-140px;top:-160px;width:460px;height:460px;border-radius:50%;background:rgba(18,102,227,.07);pointer-events:none}
.hero-deco::after{content:"";position:absolute;left:70px;top:70px;width:320px;height:320px;border-radius:50%;background:rgba(14,159,126,.08)}
.hero .wrap{position:relative;z-index:1}
.hero-grid{margin-top:0}
.hero-title{font-size:46px;line-height:1.2;margin:18px 0 16px}
.hero-lead{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:36em}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;font-size:14px;color:var(--ink-3)}
.hero-trust li{display:flex;align-items:center;gap:8px}
.hero-trust li::before{content:"";width:14px;height:14px;border-radius:50%;background:var(--teal-050);border:1.5px solid var(--teal);flex:0 0 14px}
.hero-media{margin:0}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px;
  box-shadow:var(--sh-2);border:1px solid rgba(255,255,255,.7);
  background:var(--bg-blue);
}
@media (min-width:1025px){ .hero-media{margin-left:8px} }

/* ---------- 流程步骤 ---------- */
.steps{max-width:960px;margin:0 auto;position:relative}
.step{position:relative;display:grid;grid-template-columns:56px 1fr;gap:24px;padding-bottom:40px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:27px;top:60px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(18,102,227,.28),rgba(18,102,227,.04));
}
.step:last-child::before{display:none}
.step-num{
  position:relative;z-index:1;
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:2px solid rgba(18,102,227,.28);
  color:var(--primary);font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:19px;font-weight:700;box-shadow:var(--sh-1);
}
.step-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px 30px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-body:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,102,227,.3)}
.step-body h3{font-size:21px;margin-bottom:12px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.step-tag{font-size:13px;font-weight:600;color:var(--teal-700);background:var(--teal-050);padding:4px 12px;border-radius:var(--r-pill)}
.step-body p{color:var(--ink-2);font-size:16px}
.step-points{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:16px}
.step-points li{font-size:14px;color:var(--ink-3);display:flex;align-items:center;gap:8px}
.step-points li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--primary);flex:0 0 6px}
.step-media{margin-top:20px;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;border:1px solid var(--line-2)}

/* ---------- 数据条 ---------- */
.stats .cell{margin-bottom:24px}
.stat{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:30px 26px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,102,227,.3)}
.stat-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:54px;line-height:1;font-weight:700;color:var(--primary);
  display:flex;align-items:baseline;gap:6px;
}
.stat-num.is-accent{color:var(--accent)}
.stat-num.is-teal{color:var(--teal)}
.stat-unit{font-size:17px;font-weight:600;color:var(--ink-3)}
.stat-cap{margin-top:14px;font-size:14px;line-height:1.7;color:var(--ink-3)}

/* ---------- 适用情况 ---------- */
.fit-intro h2{font-size:33px;line-height:1.25}
.fit-intro p{margin-top:14px;color:var(--ink-2)}
.fit-list{display:grid;gap:16px}
.fit-item{
  display:flex;gap:14px;
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--primary);
  border-radius:0 14px 14px 0;padding:20px 24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,BORDER-COLOR .2s ease;
}
.fit-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.fit-item:nth-child(2){border-left-color:var(--accent)}
.fit-item:nth-child(3){border-left-color:var(--teal)}
.fit-item:nth-child(4){border-left-color:var(--primary-300)}
.fit-icon{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  background:var(--primary-050);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.fit-item:nth-child(2) .fit-icon{background:var(--accent-050);color:var(--accent)}
.fit-item:nth-child(3) .fit-icon{background:var(--teal-050);color:var(--teal-700)}
.fit-icon svg{width:20px;height:20px}
.fit-item h3{font-size:17px;margin-bottom:6px}
.fit-item p{font-size:15px;color:var(--ink-3);line-height:1.7}

/* ---------- FAQ ---------- */
.faq{max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(18,102,227,.3)}
.faq-item.is-open{border-left:3px solid var(--primary);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;border:0;background:transparent;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-item.is-open .faq-q{background:#FBFCFE}
.plus{position:relative;flex:0 0 20px;width:20px;height:20px}
.plus::before,.plus::after{content:"";position:absolute;background:var(--primary);border-radius:2px}
.plus::before{left:9px;top:2px;width:2px;height:16px;transition:transform .25s ease,opacity .25s ease}
.plus::after{left:2px;top:9px;width:16px;height:2px}
.faq-item.is-open .plus::before{transform:rotate(90deg);opacity:0}
.faq-a{display:none;padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.faq-item.is-open .faq-a{display:block}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  background:var(--primary);border-radius:20px;
  padding:52px 48px;color:#fff;
  display:grid;grid-template-columns:1.5fr 1fr;gap:36px;align-items:center;
  box-shadow:0 18px 40px rgba(18,102,227,.22);
}
.cta-card::before{
  content:"";position:absolute;right:-90px;top:-110px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.10);
}
.cta-card::after{
  content:"";position:absolute;right:60px;bottom:-140px;width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.07);
}
.cta-card > *{position:relative;z-index:1}
.cta-card h2{color:#fff;font-size:30px;line-height:1.3}
.cta-card p{margin-top:14px;color:rgba(255,255,255,.86);font-size:16px;line-height:1.8;max-width:34em}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-note{font-size:13px;color:rgba(255,255,255,.72)}
.cta-list{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:20px}
.cta-list li{font-size:14px;color:rgba(255,255,255,.86);display:flex;align-items:center;gap:8px}
.cta-list li::before{content:"";width:14px;height:14px;border-radius:50%;background:rgba(255,255,255,.2);border:1.5px solid rgba(255,255,255,.7);flex:0 0 14px}

/* ---------- 表单弹层 ---------- */
.overlay{
  position:fixed;inset:0;z-index:200;
  display:flex;align-items:center;justify-content:center;padding:20px;
  background:rgba(14,27,44,.55);
  -webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);
}
.overlay[hidden]{display:none}
.modal{
  position:relative;width:100%;max-width:520px;max-height:90vh;overflow:auto;
  background:#fff;border-radius:18px;padding:34px 32px 30px;
  box-shadow:0 24px 60px rgba(14,27,44,.28);
  animation:modalIn .24s ease both;
}
@keyframes modalIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.modal-close{
  position:absolute;right:10px;top:10px;width:40px;height:40px;
  border:0;background:transparent;border-radius:50%;
  font-size:24px;line-height:1;color:var(--ink-3);
  display:flex;align-items:center;justify-content:center;
  transition:background-color .2s ease,color .2s ease;
}
.modal-close:hover{background:var(--primary-050);color:var(--primary)}
.modal-title{font-size:24px;margin-top:14px}
.modal-sub{margin-top:10px;font-size:15px;color:var(--ink-3);line-height:1.7}
.field{margin-top:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field .req{color:var(--accent)}
.field input[type=text],.field input[type=tel],.field select,.field textarea{
  width:100%;padding:13px 14px;font-size:15px;font-family:inherit;color:var(--ink);
  background:#fff;border:1.5px solid var(--line);border-radius:var(--r-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:88px;line-height:1.7}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#C6D2E2}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(18,102,227,.14);
}
.field.is-error input{border-color:var(--accent);box-shadow:0 0 0 3px rgba(244,96,42,.14)}
.err-msg{display:none;margin-top:7px;font-size:13px;color:var(--accent)}
.field.is-error .err-msg{display:block}
.check{display:flex;gap:10px;align-items:flex-start;margin-top:18px;font-size:14px;color:var(--ink-2);line-height:1.7;cursor:pointer}
.check input{width:18px;height:18px;flex:0 0 18px;margin-top:3px;accent-color:var(--primary)}
.check a{text-decoration:underline}
.check-err{display:none;margin-top:8px;font-size:13px;color:var(--accent)}
.check-err.is-visible{display:block}
#applyForm .btn{margin-top:20px}
.form-note{margin-top:12px;font-size:13px;color:var(--ink-3);text-align:center}
.modal-success{text-align:center;padding:14px 0 6px}
.ok-icon{
  width:64px;height:64px;border-radius:50%;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--teal-050);color:var(--teal-700);font-size:30px;font-weight:700;
}
.modal-success h3{font-size:22px}
.modal-success p{margin:12px 0 22px;color:var(--ink-3);font-size:15px;line-height:1.8}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E1B2C;color:#C9D4E2;padding:64px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:32px}
.foot-brand .logo{color:#fff}
.foot-brand .logo:hover{color:#fff}
.foot-brand .logo-text{color:#fff}
.foot-text{margin-top:16px;font-size:14px;line-height:1.85;color:#93A4B8;max-width:32em}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:14px;color:#C9D4E2}
.foot-links a:hover{color:#7FAEF3}
.foot-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#93A4B8}
.foot-contact strong{color:#C9D4E2;font-weight:600}
.foot-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:#8296AC;
}
.foot-bottom a{color:#C9D4E2}
.foot-bottom a:hover{color:#7FAEF3}

/* ---------- 移动端底部 Tab ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  display:none;background:rgba(255,255,255,.98);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 20px rgba(16,32,56,.07);
}
.tabbar-inner{display:flex;height:60px}
.tab-item{
  flex:1;position:relative;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--ink-3);line-height:1.2;text-align:center;padding:0 2px;
}
.tab-item svg{width:20px;height:20px;stroke-width:2}
.tab-item.is-active{color:var(--primary);font-weight:600}
.tab-item.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:24px;height:2px;border-radius:2px;background:var(--primary);
}
.tab-item:focus-visible{outline-offset:-2px}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-title{font-size:38px}
  .section-head h2,.fit-intro h2{font-size:29px}
  .cta-card{grid-template-columns:1fr;padding:44px 36px}
  .cta-actions{flex-direction:row;align-items:center;flex-wrap:wrap}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px 24px}
}
@media (max-width:960px){
  .main-nav{display:none}
  .tabbar{display:block}
  body{padding-bottom:76px}
  .header-inner{min-height:64px}
}
@media (max-width:768px){
  .wrap{padding:0 20px}
  .section{padding:52px 0}
  .section-lg{padding:56px 0}
  .hero{padding:36px 0 52px}
  .hero-title{font-size:30px;line-height:1.3;margin:14px 0 12px}
  .hero-lead{font-size:16px}
  .section-head{margin-bottom:28px}
  .section-head h2,.fit-intro h2{font-size:24px}
  .step{grid-template-columns:44px 1fr;gap:16px;padding-bottom:28px}
  .step::before{left:21px;top:50px}
  .step-num{width:44px;height:44px;font-size:16px}
  .step-body{padding:22px 20px}
  .step-body h3{font-size:18px}
  .stat{padding:24px 20px}
  .stat-num{font-size:42px}
  .cta-card{padding:34px 24px;border-radius:18px}
  .cta-card h2{font-size:23px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .overlay{padding:0;align-items:flex-end}
  .modal{max-width:100%;border-radius:18px 18px 0 0;padding:26px 20px 26px;max-height:92vh;animation:drawerIn .24s ease both}
  @keyframes drawerIn{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
  .modal::before{
    content:"";position:absolute;top:8px;left:50%;transform:translateX(-50%);
    width:44px;height:4px;border-radius:999px;background:var(--line);
  }
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .hero-title{font-size:26px}
  .header-actions .btn{padding:0 14px;font-size:14px;height:40px}
  .btn{height:46px;padding:0 20px;font-size:15px}
  .tab-item{font-size:10px}
  .faq-q{padding:16px 16px;font-size:16px;gap:12px}
  .faq-a{padding:0 16px 18px}
  .fit-item{padding:18px 18px}
}

/* roulang page: category4 */
:root{
  --brand:#1266E3; --brand-700:#0B4FB8; --brand-050:#EEF3FD; --brand-100:#DCE8FB;
  --accent:#F4602A; --accent-700:#D34A17; --accent-050:#FFF1EB;
  --jade:#0E9F7E; --jade-700:#0A7A60; --jade-050:#E8F7F2;
  --ink:#0E1B2C; --ink-2:#3A4A5E; --ink-3:#6B7A8D;
  --line:#DCE4EE; --line-2:#EDF2F9;
  --bg:#FFFFFF; --bg-2:#F5F8FD; --bg-3:#EEF3FD;
  --danger:#E03B3B;
  --sh-1:0 1px 2px rgba(16,32,56,.06), 0 4px 12px rgba(16,32,56,.06);
  --sh-2:0 10px 28px rgba(16,32,56,.11);
  --sh-3:0 18px 44px rgba(16,32,56,.16);
  --r-xs:8px; --r-sm:10px; --r-md:14px; --r-lg:16px; --r-xl:18px; --r-pill:999px;
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:72px; --s9:88px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"SF Mono","Roboto Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:var(--font);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block;border-style:none}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--brand);text-decoration:none;background-color:transparent}
a:hover{color:var(--brand-700)}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;border:0;background:none;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(150%) blur(12px);-webkit-backdrop-filter:saturate(150%) blur(12px);
  border-bottom:1px solid transparent;transition:border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(16,32,56,.07)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;color:var(--ink)}
.logo:hover{color:var(--ink)}
.logo-mark{
  display:inline-flex;align-items:flex-end;justify-content:center;gap:3px;
  width:28px;height:28px;padding:5px;border-radius:9px;background:var(--brand);
}
.logo-mark i{display:block;width:3px;border-radius:2px;background:#fff}
.logo-mark i:nth-child(1){height:8px}
.logo-mark i:nth-child(2){height:14px}
.logo-mark i:nth-child(3){height:11px}
.logo-text{font-size:20px;font-weight:700;letter-spacing:-.01em;line-height:1}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;padding:9px 13px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:var(--ink-2);transition:color .2s ease, background-color .2s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-050)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.menu-btn{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);
  align-items:center;justify-content:center;background:#fff;
}
.menu-bars{display:block;width:18px;height:12px;position:relative}
.menu-bars i{position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .24s ease,opacity .2s ease}
.menu-bars i:nth-child(1){top:0}
.menu-bars i:nth-child(2){top:5px}
.menu-bars i:nth-child(3){top:10px}
.menu-btn.is-open .menu-bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.menu-btn.is-open .menu-bars i:nth-child(2){opacity:0}
.menu-btn.is-open .menu-bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0 20px;
  box-shadow:var(--sh-2);
}
.mobile-drawer.is-open{display:block}
.mobile-drawer .wrap{display:flex;flex-direction:column;gap:4px}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;
  border-radius:var(--r-sm);font-size:16px;font-weight:500;color:var(--ink-2);
}
.mobile-drawer a:hover{background:var(--bg-2);color:var(--brand)}
.mobile-drawer a.is-active{color:var(--brand);background:var(--brand-050);font-weight:600}
.mobile-drawer .drawer-cta{margin-top:10px}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-sm);border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
}
.btn i{font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(18,102,227,.24)}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:0 3px 10px rgba(18,102,227,.22)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(244,96,42,.24)}
.btn-accent:hover{background:var(--accent-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-050);color:var(--brand-700);transform:translateY(-1px)}
.btn-sm{height:44px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand)}
.link-more i{transition:transform .2s ease}
.link-more:hover i{transform:translateX(3px)}

/* ============ hero ============ */
.page-hero{
  position:relative;padding:44px 0 72px;border-bottom:1px solid var(--line-2);
  background-color:var(--bg-2);
  background-image:
    linear-gradient(180deg, rgba(255,255,255,.95) 0%, rgba(245,248,253,.94) 60%, rgba(245,248,253,.98) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#B9C6D6}
.crumb .now{color:var(--brand);font-weight:600}
.page-hero h1{
  font-size:46px;line-height:1.2;font-weight:700;letter-spacing:-.01em;color:var(--ink);
  max-width:15em;
}
.page-hero h1 .brand{color:var(--brand);display:block;font-size:20px;letter-spacing:.02em;margin-bottom:10px;font-weight:700}
.lede{margin-top:16px;max-width:36em;font-size:17px;line-height:1.8;color:var(--ink-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;background:var(--brand-050);color:var(--brand);border:1px solid transparent;
}
.badge-jade{background:var(--jade-050);color:var(--jade-700)}
.badge-accent{background:var(--accent-050);color:var(--accent-700)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2)}
.hero-points i{color:var(--jade);font-size:14px}
.hero-media{margin-top:8px}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);
  box-shadow:var(--sh-2);border:1px solid rgba(255,255,255,.7);
}

/* ============ sections ============ */
.section{padding:88px 0}
.section-tint{background:var(--bg-2)}
.section-blue{background:var(--bg-3)}
.section-tight{padding:64px 0}
.section-head{max-width:800px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-2)}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);
  letter-spacing:.06em;margin-bottom:14px;text-transform:uppercase;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand)}

/* ============ cards ============ */
.card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,102,227,.3)}
.card h3{font-size:20px;line-height:1.4;font-weight:700;color:var(--ink)}
.card p{margin-top:10px;font-size:15px;color:var(--ink-2)}
.icon-box{
  display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:12px;
  background:var(--brand-050);color:var(--brand);font-size:19px;margin-bottom:18px;
}
.icon-box.is-accent{background:var(--accent-050);color:var(--accent)}
.icon-box.is-jade{background:var(--jade-050);color:var(--jade-700)}
.card-list{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.card-list li{position:relative;padding-left:18px;font-size:14px;color:var(--ink-2);line-height:1.65}
.card-list li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.grid-gap{margin-top:0}
.cell-gap{margin-bottom:24px}

/* ============ faq accordion ============ */
.faq-block{max-width:100%}
.group-title{
  position:relative;font-size:20px;font-weight:700;color:var(--ink);
  margin:32px 0 16px;padding-left:13px;line-height:1.4;
}
.group-title::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:2px;background:var(--brand);
}
ul.faq-acc{border:none;background:transparent;margin:0;padding:0;list-style:none}
ul.faq-acc > li{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color .22s ease, box-shadow .22s ease;
}
ul.faq-acc > li:hover{border-color:rgba(18,102,227,.32);box-shadow:var(--sh-2)}
ul.faq-acc > li.is-active{
  border-color:rgba(18,102,227,.34);box-shadow:0 8px 22px rgba(16,32,56,.09);
  background:linear-gradient(180deg,#FBFCFE 0%, #FFFFFF 42%);
}
ul.faq-acc .accordion-title{
  display:block;position:relative;padding:18px 58px 18px 20px;border:0;background:transparent;
  font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);text-align:left;width:100%;
  transition:color .2s ease;
}
ul.faq-acc .accordion-title:hover{color:var(--brand)}
ul.faq-acc .accordion-title::before{
  content:"+";position:absolute;right:18px;top:50%;margin:0;
  width:24px;height:24px;line-height:23px;text-align:center;border-radius:var(--r-pill);
  background:var(--brand-050);color:var(--brand);font-size:17px;font-weight:600;
  transform:translateY(-50%);transform-origin:50% 50%;
  transition:transform .24s ease, background-color .2s ease, color .2s ease;
}
ul.faq-acc > li.is-active .accordion-title{color:var(--brand)}
ul.faq-acc > li.is-active .accordion-title::before{
  content:"+";transform:translateY(-50%) rotate(45deg);background:var(--brand);color:#fff;
}
ul.faq-acc .accordion-content{
  display:none;padding:0 20px 20px;border:0;background:transparent;
  font-size:15px;line-height:1.8;color:var(--ink-2);
}
ul.faq-acc > li.is-active > .accordion-content{display:block}
ul.faq-acc .accordion-content p{margin:0}
ul.faq-acc .accordion-content p + p{margin-top:8px}
.step-inline{margin-top:12px;display:flex;flex-direction:column;gap:6px}
.step-inline li{position:relative;padding-left:22px;font-size:14px;color:var(--ink-2);line-height:1.7}
.step-inline li::before{
  content:"";position:absolute;left:2px;top:8px;width:8px;height:8px;border-radius:2px;
  background:var(--brand-050);border:2px solid var(--brand);
}

/* ============ aside / form ============ */
.support-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--sh-2);
}
.form-card h2{font-size:22px;line-height:1.35;font-weight:700;color:var(--ink)}
.form-card .form-sub{margin-top:8px;font-size:14px;color:var(--ink-3);line-height:1.7}
.lead-form{margin-top:20px}
.field{margin-bottom:16px}
.field label,.check-row label{font-size:14px;font-weight:600;color:var(--ink-2)}
.field label{display:block;margin-bottom:7px}
.field .req{color:var(--accent);margin-left:3px}
.input, .lead-form select, .lead-form textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-sm);
  font-family:inherit;font-size:15px;color:var(--ink);background:#fff;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.lead-form textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.input::placeholder,.lead-form textarea::placeholder{color:#9AAABC}
.input:focus,.lead-form select:focus,.lead-form textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,102,227,.14);
}
.lead-form select{
  appearance:none;-webkit-appearance:none;padding-right:38px;cursor:pointer;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1.5 6 6.5l5-5' fill='none' stroke='%236B7A8D' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat:no-repeat;background-position:right 14px center;background-size:12px 8px;
}
.field.is-error .input, .field.is-error select, .field.is-error textarea{
  border-color:var(--danger);box-shadow:0 0 0 3px rgba(224,59,59,.12);
}
.err-msg{display:none;margin-top:6px;font-size:13px;color:var(--danger);line-height:1.5}
.field.is-error .err-msg{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:4px 0 18px}
.check-row input{
  width:18px;height:18px;flex:none;margin:3px 0 0;accent-color:var(--brand);cursor:pointer;
}
.check-row label{font-weight:400;font-size:13px;line-height:1.6;color:var(--ink-2)}
.check-row a{color:var(--brand);text-decoration:underline;text-underline-offset:2px}
.check-row.is-error label{color:var(--danger)}
.form-note{margin-top:14px;font-size:13px;color:var(--ink-3);display:flex;gap:8px;align-items:flex-start}
.form-note i{color:var(--jade);margin-top:3px}
.form-success{text-align:center;padding:16px 4px 8px}
.form-success .ok-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:var(--jade-050);
  color:var(--jade-700);display:flex;align-items:center;justify-content:center;font-size:24px;
}
.form-success h3{font-size:20px;font-weight:700;color:var(--ink)}
.form-success p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.75}
.form-success .btn{margin-top:20px}
.privacy-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;
}
.privacy-card h3{font-size:17px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:8px}
.privacy-card h3 i{color:var(--brand)}
.privacy-list{margin-top:14px;display:flex;flex-direction:column;gap:12px}
.privacy-list li{display:flex;gap:10px;font-size:13.5px;line-height:1.7;color:var(--ink-2)}
.privacy-list i{color:var(--brand);margin-top:4px;font-size:12px}

/* ============ stats ============ */
.stats-row{margin-top:8px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;
  box-shadow:var(--sh-1);height:100%;
  transition:transform .24s ease, box-shadow .24s ease;
}
.stat:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.stat-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:52px;line-height:1.05;
  font-weight:700;color:var(--brand);letter-spacing:-.02em;
}
.stat-num span{font-size:20px;font-weight:600;margin-left:4px;color:var(--ink-2)}
.stat:nth-child(2) .stat-num{color:var(--accent)}
.stat:nth-child(3) .stat-num{color:var(--jade)}
.stat-label{margin-top:12px;font-size:14px;line-height:1.7;color:var(--ink-2)}

/* ============ cross links ============ */
.cross-card{
  display:block;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);color:var(--ink);
  transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.cross-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,102,227,.32);color:var(--ink)}
.cross-card h3{font-size:19px;font-weight:700;margin-top:16px}
.cross-card p{margin-top:10px;font-size:14.5px;color:var(--ink-2)}
.cross-card .link-more{margin-top:16px}

/* ============ cta ============ */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:48px;
  background:linear-gradient(120deg,#0E4FB4 0%, #1266E3 58%, #1E76F0 100%);
  color:#fff;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--sh-3);
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-card h2{font-size:28px;line-height:1.3;font-weight:700;position:relative;z-index:1}
.cta-card p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.86);max-width:44em;position:relative;z-index:1}
.cta-card .btn{position:relative;z-index:1;background:#fff;color:var(--brand-700)}
.cta-card .btn:hover{background:#F2F7FF;color:var(--brand-700)}

/* ============ overlay ============ */
.overlay{position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;padding:24px}
.overlay[hidden]{display:none!important}
.overlay-mask{position:absolute;inset:0;background:rgba(14,27,44,.55);backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px)}
.overlay-panel{
  position:relative;width:100%;max-width:520px;max-height:88vh;overflow-y:auto;
  background:#fff;border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh-3);
  opacity:0;transform:translateY(18px);transition:opacity .24s ease, transform .24s ease;
}
.overlay.is-open .overlay-panel{opacity:1;transform:translateY(0)}
.overlay-close{
  position:absolute;right:16px;top:16px;width:40px;height:40px;border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:17px;
  transition:background-color .2s ease,color .2s ease;
}
.overlay-close:hover{background:var(--bg-2);color:var(--ink)}
.overlay-panel h2{font-size:22px;font-weight:700;color:var(--ink);padding-right:40px}
.overlay-panel .form-sub{margin-top:8px;font-size:14px;color:var(--ink-3);line-height:1.7}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:#C9D4E2;font-size:14px;padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:40px;padding-bottom:44px}
.foot-brand .logo-text{color:#fff}
.foot-brand .logo:hover{color:#fff}
.foot-text{margin-top:16px;font-size:14px;line-height:1.85;color:#9FB0C6;max-width:32em}
.foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.foot-links{display:flex;flex-direction:column;gap:11px}
.foot-links a{color:#C9D4E2;transition:color .2s ease}
.foot-links a:hover{color:#6FA8FF}
.foot-contact{display:flex;flex-direction:column;gap:11px;color:#9FB0C6;line-height:1.65}
.foot-contact strong{color:#DCE4EE;font-weight:600}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA1B8;
}
.foot-bottom a{color:#C9D4E2}
.foot-bottom a:hover{color:#6FA8FF}

/* ============ mobile tabbar ============ */
.mobile-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:100;display:none;
  background:rgba(255,255,255,.97);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 18px rgba(16,32,56,.06);
}
.mobile-tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:60px;font-size:11px;line-height:1.2;color:var(--ink-3);position:relative;
  transition:color .2s ease;text-align:center;
}
.mobile-tabbar a i{font-size:17px}
.mobile-tabbar a:hover{color:var(--brand)}
.mobile-tabbar a.is-active{color:var(--brand);font-weight:600}
.mobile-tabbar a.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;border-radius:2px;background:var(--brand);
}

/* ============ responsive ============ */
@media screen and (max-width:1024px){
  .page-hero h1{font-size:38px}
  .header-inner{gap:16px}
  .nav-link{padding:9px 10px;font-size:14px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:900px){
  body{padding-bottom:76px}
  .main-nav{display:none}
  .header-cta{display:none}
  .menu-btn{display:inline-flex}
  .mobile-tabbar{display:flex}
  .support-aside{position:static;order:-1;margin-bottom:32px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .cta-card{padding:32px 24px}
}
@media screen and (max-width:768px){
  .wrap{padding:0 20px}
  .page-hero{padding:30px 0 48px}
  .page-hero h1{font-size:30px;line-height:1.3}
  .page-hero h1 .brand{font-size:16px;margin-bottom:8px}
  .lede{font-size:16px;margin-top:12px}
  .section-head h2,.cta-card h2{font-size:24px}
  .section-head{margin-bottom:28px}
  .hero-media{margin-top:24px}
  .stat-num{font-size:44px}
  .overlay{padding:0;align-items:flex-end}
  .overlay-panel{
    max-width:none;border-radius:18px 18px 0 0;max-height:92vh;padding:28px 20px 32px;
    transform:translateY(40px);
  }
  .overlay-panel::before{
    content:"";position:absolute;left:50%;top:10px;transform:translateX(-50%);
    width:44px;height:4px;border-radius:2px;background:var(--line);
  }
  .form-card,.privacy-card{padding:20px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{font-size:12px}
}
@media screen and (max-width:520px){
  .btn{height:48px;padding:0 22px}
  .hero-actions .btn{flex:1 1 100%}
  .crumb{font-size:12px}
  .mobile-tabbar a{font-size:10px}
  .mobile-tabbar a i{font-size:16px}
  .cta-card h2{font-size:22px}
  .stat{padding:20px}
}