/* roulang page: index */
:root{
  --c-main:#0E9F8B; --c-main-h:#0B8A78; --c-main-a:#0A7A6A;
  --c-sub:#FF7A45; --c-accent:#C6F24E;
  --c-bg:#F4F6F5; --c-card:#FFFFFF; --c-dark:#0C1B1E;
  --t-dark:#E8F1EF; --t-dark-2:#9FB3AF;
  --t-main:#12201F; --t-sub:#4A5D5B; --t-weak:#7B8D8B;
  --line:#E3E9E7; --line-2:#EEF2F1;
  --warn:#E4573D; --info:#2F7BB8;
  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-xl:24px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,27,30,.06);
  --sh-2:0 8px 24px rgba(12,27,30,.08);
  --sh-3:0 18px 40px rgba(12,27,30,.12);
  --sec-y:88px;
  --bs-primary:#0E9F8B; --bs-link-color:#0E9F8B; --bs-link-hover-color:#0B8A78;
  --bs-link-decoration:none; --bs-body-bg:#F4F6F5; --bs-body-color:#12201F;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--bs-font-sans-serif);background:var(--c-bg);color:var(--t-main);
  font-size:16px;line-height:1.8;padding-bottom:0;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--c-main);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-main-h);text-decoration:underline}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0;line-height:1.25;color:var(--t-main)}
h1{font-weight:800}
h2{font-weight:700}
h3{font-weight:600}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.container-wide{max-width:1280px}
.sec{padding:var(--sec-y) 0}
.sec-tight{padding:56px 0}
.sec-head{margin-bottom:36px}
.sec-head h2{font-size:32px;letter-spacing:-.3px}
.sec-head .lead-line{margin-top:12px;color:var(--t-sub);font-size:16px;max-width:720px}
.sec-tag{
  display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--c-main);
  background:rgba(14,159,139,.1);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:16px;font-weight:600;
}
.text-sub{color:var(--t-sub)}
.text-weak{color:var(--t-weak);font-size:14px}
.num{font-variant-numeric:tabular-nums}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(8px);border-bottom:1px solid transparent;transition:all .22s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.navbar-inner{display:flex;align-items:center;gap:28px;height:76px;transition:height .22s ease}
.site-header.is-scrolled .navbar-inner{height:64px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:44px;height:44px;border-radius:var(--r-md);background:linear-gradient(140deg,var(--c-main),#12B69D);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;box-shadow:var(--sh-1);letter-spacing:-.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:19px;font-weight:800;color:var(--t-main);letter-spacing:-.2px}
.brand-sub{font-size:11.5px;color:var(--t-weak);letter-spacing:.14em}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-main a{
  position:relative;padding:10px 14px;font-size:15px;color:var(--t-sub);border-radius:var(--r-sm);font-weight:500;
}
.nav-main a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--c-main);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-main a:hover{color:var(--c-main);text-decoration:none}
.nav-main a:hover::after{transform:scaleX(1)}
.nav-main a.active{color:var(--c-main);font-weight:600}
.nav-main a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-ghost{font-size:14px;color:var(--t-sub)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;
  background:var(--c-main);color:#fff;border:none;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,background .2s ease,filter .2s ease;
}
.btn-main:hover{background:var(--c-main-h);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.04)}
.btn-main:active{transform:translateY(0);background:var(--c-main-a);box-shadow:var(--sh-1)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border:1.5px solid var(--c-main);color:var(--c-main);background:transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-outline:hover{background:rgba(14,159,139,.08);color:var(--c-main-h);text-decoration:none;transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-dark-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border:1.5px solid rgba(232,241,239,.55);color:#E8F1EF;background:transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;transition:all .2s ease;
}
.btn-dark-ghost:hover{background:rgba(232,241,239,.12);color:#fff;text-decoration:none;transform:translateY(-2px)}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;
  background:var(--c-accent);color:#0C1B1E;border:none;border-radius:var(--r-pill);font-size:15px;font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-accent:hover{color:#0C1B1E;text-decoration:none;transform:translateY(-2px);box-shadow:0 10px 24px rgba(198,242,78,.35);filter:brightness(.97)}
.btn-main.sm,.btn-outline.sm{height:40px;padding:0 20px;font-size:14px}
.nav-toggle{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
  display:none;place-items:center;color:var(--t-main);font-size:18px;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0 18px;
}
.mobile-drawer a{display:block;padding:12px 24px;font-size:15px;color:var(--t-sub)}
.mobile-drawer a.active{color:var(--c-main);font-weight:600}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(115deg,rgba(12,27,30,.9) 0%,rgba(12,27,30,.72) 46%,rgba(12,27,30,.42) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:auto -10% -60% 40%;height:420px;
  background:radial-gradient(closest-side,rgba(198,242,78,.18),transparent 70%);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:96px 0 88px;max-width:760px}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.08em;
  border:1px solid rgba(198,242,78,.6);color:#DAF79A;border-radius:var(--r-pill);padding:6px 16px;margin-bottom:22px;
}
.hero h1{font-size:48px;color:#fff;letter-spacing:-.6px}
.hero h1 em{font-style:normal;color:var(--c-accent)}
.hero-sub{margin-top:18px;font-size:18px;color:#D6E4E1;max-width:600px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin-top:46px;
  background:rgba(232,241,239,.16);border-radius:var(--r-lg);overflow:hidden;
}
.hero-stat{background:rgba(12,27,30,.42);padding:20px 22px;backdrop-filter:blur(2px)}
.hero-stat b{display:block;font-size:30px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2}
.hero-stat span{display:block;font-size:13px;color:#9FB3AF;margin-top:6px}

/* ============ 阶梯 ============ */
.stair-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;align-items:start}
.stair-card{
  position:relative;background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stair-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,159,139,.35)}
.stair-card:nth-child(1){margin-top:0}
.stair-card:nth-child(2){margin-top:24px}
.stair-card:nth-child(3){margin-top:48px}
.stair-card:nth-child(4){margin-top:72px}
.stair-card.is-key{border-color:rgba(14,159,139,.5);box-shadow:var(--sh-2)}
.stair-card.is-key::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;background:var(--c-accent);border-radius:var(--r-pill);
}
.seq{
  width:32px;height:32px;border-radius:var(--r-sm);background:var(--c-main);color:#fff;font-weight:700;
  display:grid;place-items:center;font-size:14px;font-variant-numeric:tabular-nums;
}
.stair-card h3{margin-top:16px;font-size:19px}
.stair-card p{margin-top:10px;font-size:14.5px;color:var(--t-sub);line-height:1.7}
.stair-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.stair-list li{display:flex;gap:10px;font-size:14px;color:var(--t-sub);line-height:1.7}
.stair-list i{color:var(--c-main);margin-top:5px;font-size:12px}

/* ============ 套餐对比 ============ */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:stretch}
.plan{
  position:relative;background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px 24px;display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.plan.is-best{background:rgba(14,159,139,.06);border:2px solid var(--c-main);box-shadow:var(--sh-2)}
.plan-ribbon{
  position:absolute;top:-14px;left:24px;background:var(--c-accent);color:#0C1B1E;font-size:12px;font-weight:700;
  border-radius:var(--r-pill);padding:5px 14px;letter-spacing:.04em;
}
.plan h3{font-size:20px}
.plan .plan-desc{font-size:13.5px;color:var(--t-weak);margin-top:6px}
.plan-value{margin-top:20px;display:flex;align-items:baseline;gap:8px}
.plan-value b{font-size:34px;font-weight:800;color:var(--c-main);font-variant-numeric:tabular-nums;line-height:1}
.plan-value span{font-size:13.5px;color:var(--t-weak)}
.plan hr{border:0;border-top:1px solid var(--line-2);margin:20px 0}
.plan ul{display:flex;flex-direction:column;gap:11px;flex:1}
.plan ul li{display:flex;gap:10px;font-size:14.5px;line-height:1.65;color:var(--t-sub)}
.plan ul li i{margin-top:4px;font-size:13px}
.plan ul li i.ok{color:var(--c-main)}
.plan ul li i.no{color:#C3CCCA}
.plan ul li.off{color:#9AA8A6}
.plan .btn-main,.plan .btn-outline{width:100%;margin-top:22px}
.plan-note{margin-top:18px;font-size:13px;color:var(--t-weak)}

/* ============ 限时带 ============ */
.limit-band{background:var(--c-dark);color:var(--t-dark);border-radius:var(--r-xl);padding:44px 40px;position:relative;overflow:hidden}
.limit-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,122,69,.28),transparent 70%);
}
.limit-wrap{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.limit-left{max-width:560px}
.limit-left h3{color:#fff;font-size:26px}
.limit-left p{color:var(--t-dark-2);font-size:15px;margin-top:12px;margin-bottom:0}
.countdown{
  display:flex;align-items:center;gap:10px;margin-top:22px;
  font-variant-numeric:tabular-nums;font-size:40px;font-weight:800;color:var(--c-accent);letter-spacing:2px;
}
.countdown small{font-size:13px;color:var(--t-dark-2);font-weight:500;letter-spacing:0}
.limit-right{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.limit-tag{
  font-size:12.5px;color:var(--c-accent);border:1px dashed rgba(198,242,78,.55);border-radius:var(--r-pill);padding:6px 14px;
}

/* ============ 表单 ============ */
.form-shell{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.form-intro h2{font-size:30px}
.form-intro p{color:var(--t-sub);margin-top:14px}
.trust-list{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.trust-list li{display:flex;gap:12px;font-size:14.5px;color:var(--t-sub);line-height:1.7}
.trust-list i{color:var(--c-main);margin-top:5px}
.form-card{background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.field label i{color:var(--c-main);margin-right:6px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
  padding:12px 14px;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
}
.field input,.field select{height:48px;padding:0 14px}
.field textarea{min-height:118px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-main);box-shadow:0 0 0 3px rgba(14,159,139,.12);
}
.field .err{display:none;font-size:13.5px;color:var(--warn);margin-top:6px}
.field.has-error input,.field.has-error select{border-color:var(--warn)}
.field.has-error .err{display:block}
.form-check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--t-sub);margin-bottom:18px}
.form-check input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-main)}
.form-card .btn-main{width:100%}
.form-tip{margin-top:14px;font-size:13px;color:var(--t-weak)}
.form-tip i{color:var(--info);margin-right:6px}

/* ============ 列表卡片 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
  height:100%;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--line-2)}
.post-thumb img{width:100%;height:100%;transition:transform .25s ease}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--c-main);
  background:rgba(14,159,139,.12);border-radius:var(--r-pill);padding:4px 12px;
}
.post-body h3{margin-top:12px;font-size:18px;line-height:1.45}
.post-body h3 a{color:var(--t-main)}
.post-body h3 a:hover{color:var(--c-main);text-decoration:none}
.post-body p{margin-top:10px;font-size:14px;color:var(--t-sub);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t-weak)}
.post-meta a{font-weight:600}
.empty-state{
  background:var(--line-2);border:1px dashed var(--line);border-radius:var(--r-lg);padding:48px 24px;text-align:center;
}
.empty-state i{font-size:28px;color:var(--t-weak)}
.empty-state p{margin:14px 0 18px;color:var(--t-sub)}

/* ============ 反馈摘录 ============ */
.quotes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.quote{
  background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;height:100%;
}
.quote i.q{color:var(--c-sub);font-size:20px}
.quote blockquote{margin:14px 0 0;font-size:15px;color:var(--t-sub);line-height:1.85;flex:1}
.quote .who{margin-top:18px;padding-top:16px;border-top:1px solid var(--line-2);font-size:13.5px;color:var(--t-weak)}
.quote .who b{display:block;color:var(--t-main);font-size:14.5px;font-weight:600}

/* ============ FAQ ============ */
.faq{max-width:920px;margin:0 auto}
.faq .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md) !important;margin-bottom:12px;overflow:hidden;background:#fff;
}
.faq .accordion-button{
  font-size:17px;font-weight:600;color:var(--t-main);background:#fff;padding:18px 22px;box-shadow:none !important;
}
.faq .accordion-button:not(.collapsed){color:var(--c-main);background:#fff}
.faq .accordion-button::after{
  content:"+";flex:none;width:auto;height:auto;background-image:none;font-size:22px;line-height:1;
  color:var(--c-main);transform:none;margin-left:16px;font-weight:600;
}
.faq .accordion-button:not(.collapsed)::after{content:"−"}
.faq .accordion-button:focus{box-shadow:none}
.faq .accordion-body{font-size:15px;color:var(--t-sub);line-height:1.85;padding:0 22px 20px;border-top:1px solid transparent}
.faq .accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(14,159,139,.35)}

/* ============ CTA 带 ============ */
.cta-band{
  background:linear-gradient(120deg,#0E9F8B,#0B8A78);color:#fff;border-radius:var(--r-xl);padding:48px 40px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{color:#fff;font-size:30px}
.cta-band p{color:rgba(255,255,255,.85);margin:12px 0 0;font-size:15px;max-width:620px}
.cta-band .btns{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-outline{border-color:rgba(255,255,255,.7);color:#fff}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.14);color:#fff}
.cta-band .btn-accent{background:#fff;color:var(--c-main-a)}
.cta-band .btn-accent:hover{color:var(--c-main-a)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:var(--t-dark);margin-top:var(--sec-y);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(14,159,139,.9)}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:var(--t-dark-2)}
.site-footer p{color:var(--t-dark-2);font-size:14px;line-height:1.85;margin:0}
.site-footer h4{font-size:14px;color:var(--c-main);margin-bottom:16px;letter-spacing:.05em;font-weight:600}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#B9C9C6}
.footer-links a:hover{color:#fff;text-decoration:none;transform:translateX(2px)}
.footer-links a{transition:color .18s ease,transform .18s ease}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(232,241,239,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--t-dark-2);
}

/* ============ 移动底部 Tab ============ */
.mobile-tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1040;background:#fff;
  border-top:1px solid var(--line);box-shadow:0 -4px 18px rgba(12,27,30,.06);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabbar ul{display:grid;grid-template-columns:repeat(4,1fr);height:60px}
.mobile-tabbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10px;color:var(--t-weak);position:relative;height:100%;
}
.mobile-tabbar a i{font-size:17px}
.mobile-tabbar a.active{color:var(--c-main)}
.mobile-tabbar a.active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;background:var(--c-main);border-radius:0 0 3px 3px}
.mobile-tabbar a:hover{text-decoration:none}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero h1{font-size:40px}
  .stair-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stair-card:nth-child(2){margin-top:0}
  .stair-card:nth-child(3){margin-top:0}
  .stair-card:nth-child(4){margin-top:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991.98px){
  :root{--sec-y:64px}
  .nav-main{display:none}
  .nav-actions .nav-ghost{display:none}
  .nav-toggle{display:grid}
  .hero-inner{padding:72px 0 64px}
  .hero h1{font-size:34px}
  .hero-sub{font-size:16.5px}
  .sec-head h2{font-size:26px}
  .form-shell{grid-template-columns:1fr;gap:28px}
  .plans{grid-template-columns:1fr;gap:18px}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quotes{grid-template-columns:1fr}
  .limit-band{padding:34px 26px}
  .cta-band{padding:36px 26px}
  .cta-band h2{font-size:24px}
}
@media (max-width:767.98px){
  body{padding-bottom:76px}
  .container{padding-left:16px;padding-right:16px}
  .brand-name{font-size:17px}
  .hero h1{font-size:30px}
  .hero-inner{padding:56px 0 48px}
  .hero-btns .btn-main,.hero-btns .btn-outline,.hero-btns .btn-accent{width:100%}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:34px}
  .hero-stat b{font-size:24px}
  .stair-grid{grid-template-columns:1fr;gap:16px}
  .stair-card{border-left:2px solid var(--c-main)}
  .stair-card.is-key::before{display:none}
  .post-grid{grid-template-columns:1fr}
  .countdown{font-size:32px}
  .limit-right{width:100%}
  .limit-right .btn-main,.limit-right .btn-dark-ghost{width:100%}
  .mobile-tabbar{display:block}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band .btns{width:100%}
  .cta-band .btns a{width:100%}
  .sec-head h2{font-size:23px}
}
@media (max-width:520px){
  .hero h1{font-size:26px}
  .hero-stats{grid-template-columns:1fr}
  .plan-value b{font-size:30px}
}

/* roulang page: article */
:root{
  --c-main:#0E9F8B;
  --c-main-hover:#0B8A78;
  --c-main-active:#0A7A6A;
  --c-sub:#FF7A45;
  --c-accent:#C6F24E;
  --c-bg:#F4F6F5;
  --c-card:#FFFFFF;
  --c-dark:#0C1B1E;
  --d-text:#E8F1EF;
  --d-sub:#9FB3AF;
  --t1:#12201F;
  --t2:#4A5D5B;
  --t3:#7B8D8B;
  --line:#E3E9E7;
  --line2:#EEF2F1;
  --warn:#E4573D;
  --info:#2F7BB8;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(12,27,30,.06);
  --sh2:0 8px 24px rgba(12,27,30,.08);
  --sh3:0 18px 40px rgba(12,27,30,.12);
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--c-bg);
  color:var(--t1);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-main);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-main-hover);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;color:var(--t1);}
p{margin:0;}
ul,ol{margin:0;padding:0;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-main);outline-offset:2px;border-radius:4px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh1);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;transition:height .2s ease;}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,#12B39C,var(--c-main));
  color:#fff;font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:1px;box-shadow:var(--sh1);
}
.brand-text{display:flex;flex-direction:column;}
.brand-name{font-size:17px;font-weight:800;color:var(--t1);line-height:1.25;letter-spacing:.2px;}
.brand-sub{font-size:11px;color:var(--t3);letter-spacing:2px;line-height:1.4;}
.nav-main{display:flex;align-items:center;gap:28px;}
.nav-main a{position:relative;font-size:15px;font-weight:500;color:var(--t2);padding:6px 0;}
.nav-main a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;
  background:var(--c-main);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;border-radius:2px;
}
.nav-main a:hover{color:var(--c-main);}
.nav-main a:hover::after{transform:scaleX(1);}
.nav-main a.active{color:var(--c-main);font-weight:600;}
.nav-main a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;}
.header-actions .btn-main{height:42px;padding:0 22px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;color:var(--t1);
  align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;
}
.nav-toggle:hover{border-color:var(--c-main);color:var(--c-main);}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  background:var(--c-main);border:1.5px solid var(--c-main);
  color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-main:hover{background:var(--c-main-hover);border-color:var(--c-main-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--sh2);}
.btn-main:active{background:var(--c-main-active);transform:translateY(0);box-shadow:var(--sh1);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:transparent;border:1.5px solid var(--c-main);
  color:var(--c-main);font-size:15px;font-weight:600;cursor:pointer;
  transition:all .2s ease;
}
.btn-ghost:hover{background:rgba(14,159,139,.08);color:var(--c-main-hover);border-color:var(--c-main-hover);transform:translateY(-2px);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--t2);background:none;border:none;padding:4px 0;cursor:pointer;
  transition:color .18s ease,transform .18s ease;
}
.btn-text:hover{color:var(--c-main);transform:translateX(2px);}

/* ---------- 页头视觉带 ---------- */
.page-band{
  position:relative;
  background-color:var(--c-dark);
  background-image:linear-gradient(180deg,rgba(12,27,30,.88),rgba(12,27,30,.76)),url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;
  color:var(--d-text);
  padding:40px 0 56px;
}
.breadcrumb-nav{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--d-sub);margin-bottom:20px;
}
.breadcrumb-nav a{color:var(--d-sub);}
.breadcrumb-nav a:hover{color:#fff;}
.breadcrumb-nav .sep{color:rgba(159,179,175,.6);}
.breadcrumb-nav .current{color:#fff;max-width:460px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.tag-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(14,159,139,.2);border:1px solid rgba(14,159,139,.5);
  color:#7FE3D4;font-size:13px;letter-spacing:.5px;
}
.page-band h1{
  font-size:36px;font-weight:800;color:#fff;line-height:1.3;
  margin:16px 0 18px;max-width:920px;letter-spacing:.3px;
}
.band-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:14px;color:var(--d-sub);}
.band-meta .meta-item{display:inline-flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums;}
.band-meta .meta-item i{color:#4ED2BE;}
.band-actions{display:flex;gap:10px;margin-left:auto;}
.band-btn{
  display:inline-flex;align-items:center;gap:6px;
  height:38px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid rgba(232,241,239,.35);background:rgba(255,255,255,.06);
  color:#E8F1EF;font-size:13px;cursor:pointer;transition:all .2s ease;
}
.band-btn:hover{background:rgba(255,255,255,.14);border-color:rgba(232,241,239,.6);color:#fff;}

/* ---------- 正文布局 ---------- */
.article-shell{
  display:grid;grid-template-columns:minmax(0,1fr);gap:40px;
  padding-top:40px;padding-bottom:8px;
}
.article-card{
  background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh1);padding:40px;
}
.article-body{font-size:16px;line-height:1.9;color:#233331;word-break:break-word;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.3em;}
.article-body h2{
  font-size:26px;font-weight:700;color:var(--t1);
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--c-main);line-height:1.45;
}
.article-body h3{font-size:20px;font-weight:600;color:var(--t1);margin:28px 0 12px;}
.article-body h4{font-size:17px;font-weight:600;color:var(--t1);margin:22px 0 10px;}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 1.3em;}
.article-body li{margin:8px 0;line-height:1.7;}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;border-left:3px solid var(--c-main);
  background:#F1F8F6;border-radius:0 var(--r-md) var(--r-md) 0;color:var(--t2);
}
.article-body img{border-radius:var(--r-md);margin:22px 0;width:100%;height:auto;}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top;}
.article-body th{background:#EAF6F3;color:var(--t1);font-weight:600;}
.article-body a{color:var(--c-main);text-decoration:underline;text-decoration-color:rgba(14,159,139,.35);text-underline-offset:3px;}
.article-body a:hover{color:var(--c-main-hover);text-decoration-color:var(--c-main-hover);}
.article-body code{background:#F1F4F3;border:1px solid var(--line2);border-radius:6px;padding:2px 6px;font-size:14px;}
.article-body hr{border:none;border-top:1px solid var(--line2);margin:32px 0;}

.empty-state{
  text-align:center;padding:64px 24px;
  background:#F7FAF9;border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state i{font-size:40px;color:var(--c-main);opacity:.75;}
.empty-state p{font-size:18px;font-weight:600;color:var(--t1);margin:16px 0 8px;}
.empty-state span{display:block;font-size:14px;color:var(--t3);margin-bottom:22px;}

.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:34px;padding-top:24px;border-top:1px solid var(--line2);
}
.tag-pill{
  display:inline-flex;align-items:center;padding:6px 14px;
  border-radius:var(--r-pill);background:#EAF6F3;color:var(--c-main);
  font-size:13px;letter-spacing:.3px;
}
.article-foot .spacer{flex:1;}

/* ---------- 目录侧栏 ---------- */
.article-aside{display:none;}
.toc{
  position:sticky;top:88px;
  background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh1);padding:22px 20px;
}
.toc h3{font-size:14px;font-weight:700;color:var(--c-main);letter-spacing:1.5px;margin-bottom:14px;}
.toc ol{list-style:none;}
.toc li{margin-bottom:10px;}
.toc a{
  display:block;font-size:14px;line-height:1.5;color:var(--t2);
  padding-left:12px;border-left:2px solid var(--line);transition:all .18s ease;
}
.toc a:hover{color:var(--c-main);border-left-color:var(--c-main);padding-left:16px;}
.toc .toc-tip{font-size:12px;color:var(--t3);margin-top:14px;padding-top:12px;border-top:1px solid var(--line2);line-height:1.6;}

/* ---------- 延伸阅读 ---------- */
.extend-section{margin-top:72px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:28px;font-weight:700;letter-spacing:.3px;}
.section-head p{font-size:15px;color:var(--t2);margin-top:8px;}
.section-head .head-more{font-size:14px;white-space:nowrap;}

.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card-link{
  display:flex;flex-direction:column;
  background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card-link:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#D7E5E2;color:inherit;}
.card-link .thumb{aspect-ratio:16/9;overflow:hidden;background:#EAF0EE;}
.card-link .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.card-link:hover .thumb img{transform:scale(1.03);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:18px;font-weight:700;line-height:1.5;color:var(--t1);margin:10px 0 8px;}
.card-body p{font-size:14px;line-height:1.7;color:var(--t2);margin-bottom:14px;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t3);}
.badge-cat{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(14,159,139,.12);color:var(--c-main);
  font-size:12px;font-weight:600;letter-spacing:.4px;
}

/* ---------- 咨询 CTA ---------- */
.cta-band{margin:72px 0 0;}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:linear-gradient(180deg,#FFFFFF,#FAFDF7);
  border:2px dashed var(--c-accent);border-radius:var(--r-xl);
  padding:40px;box-shadow:var(--sh1);
}
.cta-inner h2{font-size:26px;font-weight:700;margin-bottom:10px;}
.cta-inner p{font-size:15px;color:var(--t2);max-width:640px;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:var(--d-sub);padding:64px 0 32px;margin-top:80px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:var(--d-sub);}
.site-footer p{font-size:14px;line-height:1.8;color:var(--d-sub);max-width:340px;}
.site-footer h4{font-size:14px;font-weight:700;color:var(--c-main);letter-spacing:1px;margin-bottom:18px;}
.footer-links a{display:block;font-size:14px;color:var(--d-sub);margin-bottom:10px;transition:color .18s ease,transform .18s ease;}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--d-sub);
}

/* ---------- 移动底部 Tab ---------- */
.tabbar{display:none;}

/* ---------- 响应式 ---------- */
@media (min-width:1200px){
  .article-shell{grid-template-columns:minmax(0,760px) 240px;justify-content:center;gap:48px;}
  .article-aside{display:block;}
}
@media (max-width:1199px){
  .container{padding-left:20px;padding-right:20px;}
  .nav-main{gap:20px;}
}
@media (max-width:991px){
  .header-inner{height:64px;}
  .header-actions .btn-main{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-main{
    position:fixed;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:8px 20px 20px;
    box-shadow:var(--sh2);
    opacity:0;transform:translateY(-12px);pointer-events:none;
    transition:opacity .2s ease,transform .2s ease;
    max-height:calc(100vh - 64px);overflow-y:auto;
  }
  .nav-main.is-open{opacity:1;transform:none;pointer-events:auto;}
  .nav-main a{padding:14px 0;border-bottom:1px solid var(--line2);font-size:15px;}
  .nav-main a::after{display:none;}
  .nav-main a.active{color:var(--c-main);}
  .page-band h1{font-size:28px;}
  .article-card{padding:28px 22px;}
  .article-body h2{font-size:22px;margin-top:32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:30px;}
  .band-actions{margin-left:0;width:100%;}
}
@media (max-width:767px){
  body{font-size:15.5px;padding-bottom:76px;}
  .container{padding-left:16px;padding-right:16px;}
  .brand-mark{width:36px;height:36px;font-size:15px;border-radius:10px;}
  .brand-name{font-size:15px;}
  .brand-sub{font-size:10px;letter-spacing:1.4px;}
  .page-band{padding:26px 0 40px;}
  .page-band h1{font-size:24px;line-height:1.35;}
  .breadcrumb-nav .current{max-width:200px;}
  .article-shell{padding-top:24px;gap:24px;}
  .article-card{padding:22px 18px;border-radius:var(--r-md);}
  .article-body{font-size:15.5px;line-height:1.85;}
  .article-body h2{font-size:20px;}
  .article-body h3{font-size:18px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .section-head h2{font-size:22px;}
  .related-grid{grid-template-columns:1fr;}
  .extend-section{margin-top:52px;}
  .cta-band{margin-top:52px;}
  .cta-inner{padding:24px 20px;border-radius:var(--r-lg);}
  .cta-inner h2{font-size:21px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:48px 0 96px;margin-top:56px;}
  .footer-bottom{flex-direction:column;}
  .tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;height:60px;
    background:#fff;border-top:1px solid var(--line);z-index:1040;
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -2px 12px rgba(12,27,30,.05);
  }
  .tab-item{
    position:relative;flex:1;display:flex;flex-direction:column;
    align-items:center;justify-content:center;gap:2px;
    font-size:10px;color:var(--t3);
  }
  .tab-item i{font-size:18px;line-height:1;}
  .tab-item.active{color:var(--c-main);font-weight:600;}
  .tab-item.active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:28px;height:2px;border-radius:2px;background:var(--c-main);
  }
  .tab-item:hover{color:var(--c-main);}
}

/* roulang page: category1 */
:root{
  --c-main:#0E9F8B;
  --c-main-h:#0B8A78;
  --c-main-a:#0A7A6A;
  --c-sub:#FF7A45;
  --c-accent:#C6F24E;
  --c-bg:#F4F6F5;
  --c-card:#FFFFFF;
  --c-dark:#0C1B1E;
  --c-dark-text:#E8F1EF;
  --c-dark-sub:#9FB3AF;
  --t-main:#12201F;
  --t-sub:#4A5D5B;
  --t-weak:#7B8D8B;
  --line:#E3E9E7;
  --divider:#EEF2F1;
  --warn:#E4573D;
  --info:#2F7BB8;
  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-xl:24px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,27,30,.06);
  --sh-2:0 8px 24px rgba(12,27,30,.08);
  --sh-3:0 18px 40px rgba(12,27,30,.12);
  --sect:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.8;color:var(--t-main);background:var(--c-bg);
  padding-bottom:0;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:.2px;}
p{margin:0 0 1.1em;}
a{color:var(--c-main);text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
a:hover{color:var(--c-main-h);}
img{max-width:100%;display:block;object-fit:cover;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid transparent;
  transition:height .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;gap:28px;height:76px;transition:height .22s ease;}
.site-header.is-stuck .header-inner{height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:10px;background:var(--c-main);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;letter-spacing:0;
  box-shadow:var(--sh-1);flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:800;color:var(--t-main);white-space:nowrap;}
.brand-sub{font-size:11px;color:var(--t-weak);letter-spacing:2px;}
.nav-main{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav-main a{
  position:relative;font-size:15px;color:var(--t-sub);padding:6px 0;white-space:nowrap;
}
.nav-main a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--c-main);
  transition:width .18s ease;
}
.nav-main a:hover{color:var(--c-main);}
.nav-main a:hover::after{width:100%;}
.nav-main a.active{color:var(--c-main);font-weight:600;}
.nav-main a.active::after{width:100%;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.link-quiet{font-size:14px;color:var(--t-sub);}
.link-quiet:hover{color:var(--c-main);}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-md);
  background:#fff;color:var(--t-main);align-items:center;justify-content:center;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0 18px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;padding:12px 24px;font-size:15px;color:var(--t-sub);border-bottom:1px solid var(--divider);
}
.mobile-drawer a.active{color:var(--c-main);font-weight:600;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;line-height:1;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{background:var(--c-main);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-main-h);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.04);}
.btn-primary:active{background:var(--c-main-a);transform:translateY(0);}
.btn-outline{background:transparent;color:var(--c-main);border:1.5px solid var(--c-main);}
.btn-outline:hover{background:rgba(14,159,139,.08);color:var(--c-main-h);transform:translateY(-2px);}
.btn-accent{background:var(--c-accent);color:#12201F;font-weight:700;}
.btn-accent:hover{background:#b9e63d;color:#12201F;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- badges / tags ---------- */
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(14,159,139,.12);color:var(--c-main-h);font-size:12.5px;font-weight:600;
}
.badge-accent{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-accent);color:#12201F;font-size:12.5px;font-weight:700;
}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--t-sub);font-size:13px;
}
.idx{
  width:32px;height:32px;border-radius:var(--r-sm);background:var(--c-main);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex:0 0 auto;
}

/* ---------- hero band ---------- */
.hero-band{
  position:relative;min-height:340px;display:flex;align-items:center;
  background-image:linear-gradient(100deg,rgba(12,27,30,.86) 0%,rgba(12,27,30,.62) 52%,rgba(12,27,30,.34) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.hero-band .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-dark-sub);margin-bottom:16px;}
.crumbs a{color:var(--c-dark-sub);}
.crumbs a:hover{color:var(--c-accent);}
.crumbs .sep{color:rgba(232,241,239,.35);}
.crumbs .current{color:#fff;}
.hero-band h1{
  color:#fff;font-size:38px;font-weight:800;max-width:820px;margin-bottom:16px;
}
.hero-band .lead{color:#D6E3E0;font-size:16.5px;max-width:720px;margin-bottom:24px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags .tag{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24);color:#E8F1EF;}

/* ---------- section base ---------- */
.section{padding:var(--sect) 0;}
.section.small{padding:64px 0;}
.section-head{margin-bottom:40px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-main-h);
  letter-spacing:1px;margin-bottom:12px;
}
.section-head .kicker::before{content:"";width:22px;height:2px;background:var(--c-main);border-radius:2px;}
.section-head h2{font-size:32px;font-weight:700;margin-bottom:14px;}
.section-head p{color:var(--t-sub);max-width:760px;margin:0;}

/* ---------- stat strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:-44px;position:relative;z-index:5;
}
.stat-card{
  background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--sh-1);
}
.stat-card .k{font-size:13px;color:var(--t-weak);margin-bottom:6px;}
.stat-card .v{font-size:28px;font-weight:700;color:var(--t-main);line-height:1.2;}
.stat-card .v small{font-size:14px;font-weight:600;color:var(--t-sub);margin-left:4px;}

/* ---------- step flow ---------- */
.steps{display:flex;flex-direction:column;gap:32px;}
.step-row{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:28px;box-shadow:var(--sh-1);transition:box-shadow .2s ease,transform .2s ease;
}
.step-row:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.step-row .media{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;background:#EDF2F0;}
.step-row .media img{width:100%;height:100%;}
.step-row.reverse .media{order:2;}
.step-row.reverse .body{order:1;}
.step-row .head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.step-row h3{font-size:22px;font-weight:600;}
.step-row p{color:var(--t-sub);margin-bottom:16px;}
.check-list li{
  position:relative;padding-left:26px;padding-top:8px;padding-bottom:8px;color:var(--t-sub);font-size:15px;
}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--c-main);
  position:absolute;left:0;top:13px;
}

/* ---------- checklist cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{
  background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.card p{color:var(--t-sub);font-size:15px;margin-bottom:0;}
.card .card-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.card .cover{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9;margin-bottom:18px;background:#EDF2F0;}
.card .cover img{width:100%;height:100%;transition:transform .25s ease;}
.card:hover .cover img{transform:scale(1.03);}

.list-plain li{
  display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--divider);color:var(--t-sub);font-size:15px;
}
.list-plain li:last-child{border-bottom:0;}
.list-plain li i{color:var(--c-main);margin-top:9px;font-size:11px;}

/* ---------- dark strip (tip) ---------- */
.tip-strip{
  background:var(--c-dark);border-radius:var(--r-xl);padding:36px;display:grid;
  grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;color:var(--c-dark-text);
}
.tip-strip h2{color:#fff;font-size:26px;margin-bottom:12px;}
.tip-strip p{color:var(--c-dark-sub);margin-bottom:0;}
.tip-strip .outline-box{
  border:1.5px dashed var(--c-accent);border-radius:var(--r-lg);padding:20px 22px;
}
.tip-strip .outline-box .num{font-size:34px;font-weight:700;color:var(--c-accent);line-height:1.2;}
.tip-strip .outline-box span{display:block;font-size:13px;color:var(--c-dark-sub);}

/* ---------- consult ---------- */
.consult-wrap{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
.consult-side h2{font-size:30px;margin-bottom:16px;}
.consult-side p{color:var(--t-sub);}
.trust-item{display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--divider);}
.trust-item:last-child{border-bottom:0;}
.trust-item i{color:var(--c-main);font-size:16px;margin-top:6px;}
.trust-item b{display:block;font-size:15px;font-weight:600;}
.trust-item span{font-size:14px;color:var(--t-weak);}
.form-card{background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-2);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--t-sub);margin-bottom:8px;}
.field .ctrl{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
  padding:0 14px;color:var(--t-main);transition:border-color .18s ease,box-shadow .18s ease;
}
textarea.ctrl{height:auto;min-height:120px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field .ctrl:focus{border-color:var(--c-main);box-shadow:0 0 0 3px rgba(14,159,139,.12);outline:none;}
.field.has-error .ctrl{border-color:var(--warn);}
.field .err{display:none;font-size:13.5px;color:var(--warn);margin-top:6px;}
.field.has-error .err{display:block;}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--t-sub);margin:6px 0 20px;}
.check-line input{margin-top:6px;accent-color:var(--c-main);}
.form-note{margin-top:14px;font-size:13px;color:var(--t-weak);}
.form-ok{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--r-md);
  background:rgba(14,159,139,.1);color:var(--c-main-h);font-size:14.5px;
}
.form-ok.show{display:block;}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:border-color .2s ease;}
.faq-item.open{border-color:rgba(14,159,139,.5);}
.faq-q{
  width:100%;background:none;border:0;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;text-align:left;cursor:pointer;color:var(--t-main);
}
.faq-item.open .faq-q{color:var(--c-main);}
.faq-q .mark{position:relative;width:18px;height:18px;flex:0 0 auto;}
.faq-q .mark::before,.faq-q .mark::after{
  content:"";position:absolute;background:var(--c-main);border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.faq-q .mark::before{left:0;top:8px;width:18px;height:2px;}
.faq-q .mark::after{top:0;left:8px;width:2px;height:18px;}
.faq-item.open .faq-q .mark::after{transform:scaleY(0);opacity:0;}
.faq-a{display:none;padding:0 24px 22px;color:var(--t-sub);font-size:15px;line-height:1.8;border-top:1px solid transparent;}
.faq-item.open .faq-a{display:block;border-top-color:var(--divider);padding-top:18px;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:var(--c-dark-sub);padding:64px 0 28px;margin-top:var(--sect);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(232,241,239,.12);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.site-footer .brand-mark{background:var(--c-main);}
.site-footer .brand-name{color:#fff;font-size:17px;font-weight:800;display:block;}
.site-footer .brand-sub{font-size:11px;color:var(--c-dark-sub);letter-spacing:2px;display:block;}
.site-footer p{font-size:14px;line-height:1.8;color:var(--c-dark-sub);max-width:340px;}
.site-footer h4{font-size:14px;color:var(--c-main);margin-bottom:16px;font-weight:700;letter-spacing:.5px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#C3D3CF;transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:22px;font-size:13px;color:#8DA29E;}

/* ---------- mobile bottom tab ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1050;background:#fff;
  border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(12,27,30,.06);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar ul{display:grid;grid-template-columns:repeat(4,1fr);}
.tabbar a{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;height:60px;font-size:10px;color:var(--t-weak);
}
.tabbar a i{font-size:17px;}
.tabbar a.active{color:var(--c-main);}
.tabbar a.active::before{content:"";position:absolute;top:0;left:26%;right:26%;height:2px;background:var(--c-main);border-radius:2px;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-band h1{font-size:34px;}
  .section{padding:72px 0;}
  .site-footer{margin-top:72px;}
}
@media (max-width:991px){
  .nav-main{display:none;}
  .header-actions .link-quiet{display:none;}
  .nav-toggle{display:inline-flex;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .step-row{gap:26px;padding:22px;}
  .consult-wrap{grid-template-columns:1fr;}
  .tip-strip{grid-template-columns:1fr;padding:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  :root{--sect:56px;}
  body{font-size:15.5px;padding-bottom:76px;}
  .container{padding:0 16px;}
  .header-inner{height:60px;}
  .brand-sub{display:none;}
  .hero-band{min-height:300px;}
  .hero-band .container{padding-top:40px;padding-bottom:40px;}
  .hero-band h1{font-size:26px;}
  .hero-band .lead{font-size:15px;}
  .section-head h2{font-size:24px;}
  .section-head h3{font-size:19px;}
  .stat-strip{grid-template-columns:1fr 1fr;gap:12px;margin-top:-32px;}
  .stat-card{padding:16px;}
  .stat-card .v{font-size:22px;}
  .step-row{grid-template-columns:1fr;gap:18px;padding:18px;border-radius:var(--r-lg);}
  .step-row.reverse .media{order:0;}
  .step-row.reverse .body{order:1;}
  .step-row h3{font-size:19px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .consult-side h2{font-size:23px;}
  .form-card{padding:20px;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:48px 0 24px;}
  .footer-bottom{flex-direction:column;}
  .tabbar{display:block;}
  .btn{height:46px;padding:0 22px;}
}

/* roulang page: category3 */
:root{
  --c-main:#0E9F8B;
  --c-main-hover:#0B8A78;
  --c-main-active:#0A7A6A;
  --c-sub:#FF7A45;
  --c-accent:#C6F24E;
  --c-bg:#F4F6F5;
  --c-card:#FFFFFF;
  --c-dark:#0C1B1E;
  --c-dark-text:#E8F1EF;
  --c-dark-sub:#9FB3AF;
  --t-main:#12201F;
  --t-sub:#4A5D5B;
  --t-weak:#7B8D8B;
  --line:#E3E9E7;
  --sep:#EEF2F1;
  --c-warn:#E4573D;
  --c-info:#2F7BB8;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,27,30,.06);
  --sh-2:0 8px 24px rgba(12,27,30,.08);
  --sh-3:0 18px 40px rgba(12,27,30,.12);
  --wrap:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t-main);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-main);text-decoration:none;transition:color .18s ease,background-color .18s ease,transform .18s ease;}
a:hover{color:var(--c-main-hover);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4{margin:0;line-height:1.25;color:var(--t-main);}
h1{font-size:48px;font-weight:800;letter-spacing:-.5px;}
h2{font-size:32px;font-weight:700;}
h3{font-size:22px;font-weight:600;}
h4{font-size:18px;font-weight:600;}
p{margin:0 0 1.3em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1.2em;padding-left:1.35em;}
li{margin:8px 0;}
button,input,select,textarea{font-family:inherit;font-size:15px;color:var(--t-main);}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px;}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:height .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:var(--sh-1);}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:76px;transition:height .2s ease;
}
.site-header.is-stuck .header-inner{height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo:hover{text-decoration:none;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-main);color:#fff;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:700;letter-spacing:.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:17px;font-weight:700;color:var(--t-main);}
.brand-sub{font-size:11px;color:var(--t-weak);letter-spacing:1.5px;}
.nav-main{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-main a{
  position:relative;
  font-size:15px;color:var(--t-sub);
  padding:6px 0;
}
.nav-main a::after{
  content:"";position:absolute;left:0;bottom:0;
  width:0;height:2px;background:var(--c-main);
  transition:width .18s ease;
}
.nav-main a:hover{color:var(--c-main);text-decoration:none;}
.nav-main a:hover::after{width:100%;}
.nav-main a.active{color:var(--c-main);font-weight:600;}
.nav-main a.active::after{width:100%;}
.header-cta{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;
  background:var(--c-main);color:#fff;
  border:none;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,filter .2s ease;
  box-shadow:var(--sh-1);
}
.btn-main:hover{background:var(--c-main-hover);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.04);}
.btn-main:active{transform:translateY(0);background:var(--c-main-active);}
.btn-ghost-link{
  font-size:15px;color:var(--t-sub);font-weight:500;
  display:inline-flex;align-items:center;gap:6px;
}
.btn-ghost-link:hover{color:var(--c-main);text-decoration:none;}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  border:1.5px solid var(--c-main);color:var(--c-main);
  background:transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-outline:hover{background:rgba(14,159,139,.08);color:var(--c-main);text-decoration:none;transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  background:var(--c-accent);color:#0C1B1E;
  border:none;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(.96);color:#0C1B1E;text-decoration:none;}
.hamburger{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-md);background:#fff;color:var(--t-main);
}
.mobile-menu{display:none;border-top:1px solid var(--sep);background:#fff;padding:10px 0 16px;}
.mobile-menu.open{display:block;}
.mobile-menu a{display:block;padding:12px 4px;font-size:15px;color:var(--t-sub);border-bottom:1px solid var(--sep);}
.mobile-menu a:last-child{border-bottom:none;}
.mobile-menu a.active{color:var(--c-main);font-weight:600;}

/* ---------- Hero band ---------- */
.hero-band{
  position:relative;
  min-height:360px;
  display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;
  overflow:hidden;
}
.hero-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(12,27,30,.88) 0%,rgba(12,27,30,.68) 52%,rgba(12,27,30,.36) 100%);
}
.hero-inner{position:relative;z-index:2;padding:56px 0;}
.crumb{font-size:14px;color:rgba(232,241,239,.72);margin-bottom:18px;}
.crumb a{color:rgba(232,241,239,.86);}
.crumb a:hover{color:#fff;}
.crumb .sep{padding:0 8px;color:rgba(232,241,239,.5);}
.crumb .current{color:rgba(232,241,239,.62);}
.hero-band h1{color:#fff;max-width:820px;}
.hero-band h1 .hl{color:var(--c-accent);}
.hero-lead{
  margin-top:18px;max-width:680px;
  font-size:17px;line-height:1.75;color:rgba(232,241,239,.88);
}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.meta-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.22);
  font-size:14px;color:rgba(232,241,239,.94);
}
.meta-pill i{color:var(--c-accent);}

/* ---------- Sections ---------- */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section-head{margin-bottom:36px;}
.section-head h2{margin-bottom:12px;}
.section-head .sub{font-size:16px;color:var(--t-sub);max-width:680px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:2px;color:var(--c-main);
  font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-main);display:inline-block;}

/* ---------- Bento ---------- */
.bento{
  display:grid;
  grid-template-columns:1.6fr 1fr;
  grid-template-rows:repeat(2,minmax(0,1fr));
  gap:20px;
}
.bento-card{
  position:relative;overflow:hidden;
  background:var(--c-card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.bento-card img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;transition:transform .25s ease;}
.bento-card:hover img{transform:scale(1.03);}
.bento-large{grid-row:span 2;}
.bento-large img{aspect-ratio:4/3;min-height:280px;}
.bento-body{
  position:absolute;left:0;right:0;bottom:0;
  padding:22px;color:#fff;
  background:linear-gradient(to top,rgba(12,27,30,.92) 0%,rgba(12,27,30,.55) 55%,rgba(12,27,30,0) 100%);
}
.bento-body h3{color:#fff;font-size:20px;margin-bottom:8px;}
.bento-body p{font-size:14px;line-height:1.7;color:rgba(232,241,239,.86);margin:0 0 10px;}
.badge-cat{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(14,159,139,.12);color:var(--c-main);
  font-size:13px;font-weight:600;margin-bottom:12px;
}
.bento-body .badge-cat{background:rgba(198,242,78,.9);color:#0C1B1E;}

/* ---------- Long strip list ---------- */
.strip-list{display:flex;flex-direction:column;gap:14px;}
.strip-item{
  display:grid;
  grid-template-columns:56px minmax(0,1fr) 130px 130px;
  align-items:center;gap:20px;
  padding:20px 24px;
  background:var(--c-card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.strip-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,159,139,.35);}
.idx{
  width:36px;height:36px;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-main);color:#fff;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.strip-main h3{font-size:18px;margin-bottom:6px;}
.strip-main p{font-size:14px;line-height:1.7;color:var(--t-sub);margin:0;}
.strip-time{font-size:14px;color:var(--t-weak);font-variant-numeric:tabular-nums;display:flex;align-items:center;gap:6px;}
.strip-link{text-align:right;}
.strip-link a{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.strip-link a:hover{text-decoration:none;}
.strip-link a i{transition:transform .18s ease;}
.strip-link a:hover i{transform:translateX(3px);}

/* ---------- Notice CTA ---------- */
.notice-cta{
  margin-top:32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:26px 28px;
  background:#fff;
  border:1.5px dashed var(--c-accent);
  border-radius:var(--r-lg);
}
.notice-cta .txt h3{font-size:20px;margin-bottom:6px;}
.notice-cta .txt p{margin:0;font-size:14px;color:var(--t-sub);}

/* ---------- Split blocks ---------- */
.split-block{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  padding:34px 0;
  border-bottom:1px solid var(--sep);
}
.split-block:last-child{border-bottom:none;}
.split-block.reverse .split-media{order:2;}
.split-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--sh-2);
}
.split-body h3{font-size:22px;margin-bottom:14px;}
.split-body p{font-size:15px;color:var(--t-sub);line-height:1.8;}
.check-list{list-style:none;padding:0;margin:16px 0 0;}
.check-list li{
  position:relative;padding-left:28px;margin:10px 0;
  font-size:15px;color:var(--t-sub);
}
.check-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:1px;
  color:var(--c-main);font-size:13px;
}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px;}
.step-card{
  background:var(--c-card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-card h3{font-size:18px;margin:14px 0 8px;}
.step-card p{font-size:14px;color:var(--t-sub);line-height:1.75;margin:0;}

/* ---------- FAQ ---------- */
.faq-list{max-width:920px;}
.faq-item{
  background:var(--c-card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(14,159,139,.4);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;
  font-size:17px;font-weight:600;color:var(--t-main);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:22px;font-weight:400;color:var(--c-main);
  transition:transform .2s ease;line-height:1;
}
.faq-item[open] summary{color:var(--c-main);}
.faq-item[open] summary::after{content:"−";}
.faq-item:hover summary{color:var(--c-main);}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--t-sub);}

/* ---------- Form ---------- */
.consult{
  background:var(--c-card);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-2);
  overflow:hidden;
}
.consult-grid{display:grid;grid-template-columns:5fr 7fr;gap:0;}
.consult-aside{
  background:var(--c-dark);color:var(--c-dark-text);
  padding:40px 34px;
}
.consult-aside h2{color:#fff;font-size:26px;margin-bottom:14px;}
.consult-aside p{color:var(--c-dark-sub);font-size:14.5px;line-height:1.8;}
.trust-list{list-style:none;padding:0;margin:24px 0 0;}
.trust-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14px;color:var(--c-dark-sub);margin:14px 0;
}
.trust-list i{color:var(--c-accent);margin-top:5px;}
.consult-form{padding:40px 38px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--t-sub);margin-bottom:8px;}
.field .req{color:var(--c-sub);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;padding:0 14px;height:48px;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:#fff;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:120px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-main);
  box-shadow:0 0 0 3px rgba(14,159,139,.12);
}
.field .hint{font-size:13px;color:var(--t-weak);margin-top:6px;}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--t-sub);margin:6px 0 22px;}
.agree input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-main);flex:none;}
.form-actions .btn-main{width:100%;height:50px;font-size:16px;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--c-dark);color:var(--c-dark-sub);
  padding:64px 0 28px;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-main);}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:var(--c-dark-sub);}
.site-footer p{font-size:14px;line-height:1.8;color:var(--c-dark-sub);}
.site-footer h4{
  font-size:14px;color:var(--c-main);margin-bottom:16px;
  letter-spacing:1px;font-weight:600;
}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{
  font-size:14px;color:rgba(232,241,239,.72);
  transition:color .18s ease,transform .18s ease;
  display:inline-block;
}
.footer-links a:hover{color:#fff;transform:translateX(2px);text-decoration:none;}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  padding-top:22px;font-size:13px;color:rgba(159,179,175,.85);
}
.footer-bottom span{font-variant-numeric:tabular-nums;}

/* ---------- Mobile bottom tabs ---------- */
.mobile-tabs{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#fff;border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -4px 18px rgba(12,27,30,.06);
}
.mobile-tabs ul{
  display:grid;grid-template-columns:repeat(4,1fr);
  list-style:none;margin:0;padding:0;height:60px;
}
.mobile-tabs li{height:100%;}
.mobile-tabs a{
  height:100%;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:3px;
  font-size:10px;color:var(--t-weak);position:relative;
}
.mobile-tabs a i{font-size:16px;}
.mobile-tabs a.active{color:var(--c-main);font-weight:600;}
.mobile-tabs a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;background:var(--c-main);border-radius:2px;
}
.mobile-tabs a:hover{text-decoration:none;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  h1{font-size:40px;}
  h2{font-size:28px;}
  .container{padding:0 20px;}
  .strip-item{grid-template-columns:48px minmax(0,1fr) 120px 110px;gap:16px;}
}
@media (max-width:991.98px){
  h1{font-size:34px;}
  h2{font-size:25px;}
  .nav-main{display:none;}
  .hamburger{display:flex;}
  .header-cta .btn-main{display:none;}
  .section{padding:64px 0;}
  .bento{grid-template-columns:1fr 1fr;grid-template-rows:auto auto;}
  .bento-large{grid-column:span 2;grid-row:auto;}
  .split-block{grid-template-columns:1fr;gap:24px;}
  .split-block.reverse .split-media{order:0;}
  .steps{grid-template-columns:1fr 1fr;}
  .consult-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .mobile-tabs{display:block;}
  body{padding-bottom:78px;}
  .strip-item{padding:18px 20px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  h4{font-size:17px;}
  .container{padding:0 16px;}
  .header-inner{height:64px;gap:14px;}
  .brand-sub{display:none;}
  .hero-band{min-height:300px;}
  .hero-inner{padding:40px 0;}
  .hero-lead{font-size:15.5px;}
  .section{padding:56px 0;}
  .bento{grid-template-columns:1fr;gap:16px;}
  .bento-large{grid-column:auto;}
  .bento-large img{min-height:200px;}
  .strip-item{grid-template-columns:44px minmax(0,1fr);gap:14px 14px;}
  .strip-time{grid-column:2;font-size:13px;}
  .strip-link{grid-column:2;text-align:left;}
  .notice-cta{flex-direction:column;align-items:flex-start;gap:16px;padding:22px;}
  .notice-cta .btn-main{width:100%;}
  .steps{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;gap:0;}
  .consult-aside,.consult-form{padding:28px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:26px;}
  .footer-bottom{flex-direction:column;gap:6px;font-size:12.5px;}
}
@media (max-width:520px){
  h1{font-size:27px;}
  .meta-pill{font-size:13px;padding:7px 12px;}
  .section-head h2{font-size:22px;}
}

/* roulang page: category2 */
:root{
  --c-main:#0E9F8B;
  --c-main-h:#0B8A78;
  --c-main-a:#0A7A6A;
  --c-sub:#FF7A45;
  --c-accent:#C6F24E;
  --c-bg:#F4F6F5;
  --c-card:#FFFFFF;
  --c-dark:#0C1B1E;
  --c-dark-text:#E8F1EF;
  --c-dark-sub:#9FB3AF;
  --t-main:#12201F;
  --t-sub:#4A5D5B;
  --t-weak:#7B8D8B;
  --line:#E3E9E7;
  --divider:#EEF2F1;
  --warn:#E4573D;
  --info:#2F7BB8;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,27,30,.06);
  --sh-2:0 8px 24px rgba(12,27,30,.08);
  --sh-3:0 18px 40px rgba(12,27,30,.12);
  --nav-h:76px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t-main);
  background:var(--c-bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;line-height:1.25;color:var(--t-main);}
h1{font-size:48px;font-weight:800;}
h2{font-size:32px;font-weight:700;}
h3{font-size:22px;font-weight:600;}
h4{font-size:18px;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:var(--c-main);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-main-h);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px !important;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px !important;
  padding-right:24px !important;
}
.section{padding:88px 0;}
.section-tight-top{padding-top:64px;}
.section-head{margin-bottom:40px;max-width:820px;}
.section-head .eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.18em;
  color:var(--c-main);
  font-weight:600;
  margin-bottom:12px;
}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--t-sub);font-size:16px;margin:0;}
.side-label{
  writing-mode:vertical-rl;
  font-size:12px;
  letter-spacing:.3em;
  color:var(--c-main);
  font-weight:600;
  margin-bottom:14px;
  opacity:.85;
}
.note-line{font-size:13px;color:var(--t-weak);margin-top:18px;line-height:1.7;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  text-align:center;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  box-shadow:var(--sh-1);
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-primary{background:var(--c-main);color:#fff;}
.btn-primary:hover{background:var(--c-main-h);color:#fff;}
.btn-primary:active{background:var(--c-main-a);}
.btn-outline{background:transparent;color:var(--c-main);border:1.5px solid var(--c-main);box-shadow:none;}
.btn-outline:hover{background:rgba(14,159,139,.08);color:var(--c-main-h);}
.btn-accent{background:var(--c-accent);color:#12201F;}
.btn-accent:hover{background:#B9E845;color:#12201F;}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6);box-shadow:none;}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 徽章 ---------- */
.badge-cat{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(14,159,139,.12);
  color:var(--c-main);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.badge-state{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--c-accent);
  color:#12201F;
  font-size:12px;
  font-weight:700;
}
.num-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;
  height:32px;
  border-radius:var(--r-sm);
  background:var(--c-main);
  color:#fff;
  font-size:14px;
  font-weight:700;
  flex:0 0 32px;
  font-variant-numeric:tabular-nums;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-1);}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:var(--nav-h);
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:10px;
  background:var(--c-main);
  color:#fff;
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:17px;font-weight:700;color:var(--t-main);}
.brand-sub{font-size:12px;color:var(--t-weak);letter-spacing:.06em;}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-main a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 12px;
  font-size:15px;
  color:var(--t-sub);
  border-radius:var(--r-sm);
}
.nav-main a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:4px;
  height:2px;
  background:var(--c-main);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .18s ease;
}
.nav-main a:hover{color:var(--c-main);}
.nav-main a:hover::after{transform:scaleX(1);}
.nav-main a.active{color:var(--c-main);font-weight:600;}
.nav-main a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:16px;margin-left:auto;}
.header-link{font-size:14px;color:var(--t-sub);}
.header-link:hover{color:var(--c-main);}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  color:var(--t-main);
  font-size:18px;
  cursor:pointer;
}
.mobile-menu{display:none;border-top:1px solid var(--divider);background:#fff;}
.mobile-menu.open{display:block;}
.mobile-menu .container{padding-top:12px;padding-bottom:20px;}
.mobile-menu a{
  display:block;
  padding:13px 4px;
  font-size:15px;
  color:var(--t-sub);
  border-bottom:1px solid var(--divider);
}
.mobile-menu a.active{color:var(--c-main);font-weight:600;}
.mobile-menu .btn{margin-top:16px;}

/* ---------- 移动底部 Tab ---------- */
.tabbar{display:none;}
.tabbar a{
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  height:60px;
  font-size:10px;
  color:var(--t-weak);
  border-top:2px solid transparent;
}
.tabbar a i{font-size:17px;}
.tabbar a.active{color:var(--c-main);border-top-color:var(--c-main);font-weight:600;}

/* ---------- 页面视觉带 ---------- */
.page-hero{
  position:relative;
  display:flex;
  align-items:center;
  min-height:370px;
  padding:68px 0 60px;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(12,27,30,.92) 0%,rgba(12,27,30,.78) 52%,rgba(12,27,30,.52) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb-bar{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:14px;
  color:rgba(232,241,239,.72);
  margin-bottom:22px;
}
.breadcrumb-bar a{color:rgba(232,241,239,.82);}
.breadcrumb-bar a:hover{color:#fff;}
.breadcrumb-bar .sep{color:rgba(232,241,239,.4);}
.breadcrumb-bar .current{color:var(--c-dark-sub);}
.page-hero h1{color:#fff;max-width:900px;margin-bottom:18px;}
.page-hero h1 em{font-style:normal;color:var(--c-accent);}
.hero-lead{
  max-width:720px;
  font-size:18px;
  line-height:1.8;
  color:#D6E4E1;
  margin-bottom:34px;
}
.hero-stats{display:flex;gap:20px;flex-wrap:wrap;}
.stat{
  flex:1 1 200px;
  min-width:180px;
  padding:18px 22px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.06);
}
.stat-num{
  display:block;
  font-size:32px;
  font-weight:700;
  color:#fff;
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat-num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--c-accent);}
.stat-label{display:block;font-size:13px;color:var(--c-dark-sub);margin-top:4px;}

/* ---------- 两栏布局 ---------- */
.layout-aside{display:grid;grid-template-columns:268px 1fr;gap:40px;align-items:start;}
.side-toc{position:sticky;top:96px;}
.toc-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:20px;
  box-shadow:var(--sh-1);
}
.toc-title{
  font-size:13px;
  font-weight:700;
  color:var(--t-weak);
  letter-spacing:.14em;
  margin-bottom:12px;
}
.toc-link{
  display:block;
  padding:10px 12px;
  border-radius:var(--r-sm);
  font-size:14px;
  color:var(--t-sub);
  border-left:3px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.toc-link:hover{background:rgba(14,159,139,.06);color:var(--c-main);}
.toc-link.active{
  background:rgba(14,159,139,.1);
  color:var(--c-main);
  font-weight:600;
  border-left-color:var(--c-main);
}
.toc-help{
  margin-top:18px;
  padding:20px;
  border-radius:var(--r-lg);
  background:var(--c-dark);
  color:var(--c-dark-sub);
}
.toc-help strong{display:block;color:#fff;font-size:15px;margin-bottom:8px;}
.toc-help p{font-size:13px;line-height:1.7;margin-bottom:14px;}

/* ---------- 条目卡 ---------- */
.block-head{margin-bottom:26px;}
.block-head h2{margin-bottom:12px;}
.block-head p{color:var(--t-sub);font-size:15px;margin:0;max-width:760px;}
.entry-card{
  display:flex;
  gap:24px;
  padding:24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  margin-bottom:20px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,159,139,.28);}
.entry-body{flex:1 1 auto;min-width:0;}
.entry-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap;}
.entry-body h3{font-size:20px;margin-bottom:10px;}
.entry-body>p{color:var(--t-sub);font-size:15px;margin-bottom:14px;}
.point-list li{
  position:relative;
  padding-left:26px;
  font-size:14.5px;
  color:var(--t-sub);
  line-height:1.7;
  margin-bottom:8px;
}
.point-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:0;
  top:1px;
  font-size:12px;
  color:var(--c-main);
}
.entry-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  border-top:1px solid var(--divider);
  margin-top:18px;
  padding-top:14px;
  font-size:13px;
  color:var(--t-weak);
  font-variant-numeric:tabular-nums;
}
.entry-foot a{font-size:14px;font-weight:600;}
.entry-media{flex:0 0 250px;width:250px;}
.entry-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-md);
}

/* ---------- 档位长条卡 ---------- */
.plan-row{
  position:relative;
  display:grid;
  grid-template-columns:200px 1fr 170px;
  gap:24px;
  align-items:center;
  padding:22px 24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  margin-bottom:14px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.plan-row:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.plan-row.featured{
  border:2px solid var(--c-main);
  background:rgba(14,159,139,.06);
}
.plan-row.featured::before{
  content:"推荐";
  position:absolute;
  top:-13px;
  left:24px;
  height:26px;
  padding:0 14px;
  display:inline-flex;
  align-items:center;
  border-radius:var(--r-pill);
  background:var(--c-accent);
  color:#12201F;
  font-size:12px;
  font-weight:700;
}
.plan-name{font-size:17px;font-weight:700;margin-bottom:6px;}
.plan-num{
  font-size:32px;
  font-weight:700;
  color:var(--c-main);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.plan-num small{font-size:14px;font-weight:600;color:var(--t-weak);margin-left:6px;}
.plan-points{font-size:14px;color:var(--t-sub);line-height:1.7;}
.plan-points span{display:inline-block;margin-right:16px;}
.plan-points i{color:var(--c-main);margin-right:6px;font-size:12px;}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flow-item{
  position:relative;
  padding:26px 22px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.flow-item::after{
  content:"";
  position:absolute;
  top:44px;
  right:-24px;
  width:24px;
  height:2px;
  background:var(--divider);
}
.flow-item:last-child::after{display:none;}
.flow-item h3{font-size:18px;margin:16px 0 10px;}
.flow-item p{font-size:14px;color:var(--t-sub);margin:0;}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:0 24px;
  margin-bottom:12px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(14,159,139,.28);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 0;
  font-size:17px;
  font-weight:600;
  color:var(--t-main);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  font-size:22px;
  font-weight:400;
  color:var(--c-main);
  line-height:1;
}
.faq-item[open] summary{color:var(--c-main);}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 0 22px;font-size:15px;color:var(--t-sub);line-height:1.8;}

/* ---------- 咨询表单 ---------- */
.consult-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start;}
.consult-intro h2{margin-bottom:16px;}
.consult-intro>p{color:var(--t-sub);font-size:15.5px;}
.consult-visual{
  margin-top:26px;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
}
.consult-visual img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.trust-list{margin-top:26px;border-top:1px solid var(--line);padding-top:22px;}
.trust-item{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--t-sub);
  margin-bottom:12px;
  line-height:1.7;
}
.trust-item i{color:var(--c-main);margin-top:5px;font-size:13px;flex:0 0 16px;}
.consult-form{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--sh-2);
}
.form-row{margin-bottom:18px;}
.form-row label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--c-main);
  margin-bottom:8px;
}
.field{
  width:100%;
  height:48px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  color:var(--t-main);
  transition:border-color .18s ease,box-shadow .18s ease;
}
textarea.field{height:118px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field::placeholder{color:#A9B8B6;}
.field:focus{
  outline:none;
  border-color:var(--c-main);
  box-shadow:0 0 0 3px rgba(14,159,139,.12);
}
.field-error{border-color:var(--warn);box-shadow:0 0 0 3px rgba(228,87,61,.12);}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 20px;font-size:13.5px;color:var(--t-sub);}
.check-row input{width:18px;height:18px;margin-top:4px;accent-color:var(--c-main);flex:0 0 18px;}
.form-tip{
  display:none;
  align-items:center;
  gap:10px;
  margin-top:16px;
  padding:12px 16px;
  border-radius:var(--r-md);
  background:rgba(14,159,139,.1);
  color:var(--c-main-h);
  font-size:14px;
}
.form-tip.show{display:flex;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-dark);
  color:var(--c-dark-sub);
  padding:64px 0 24px;
  margin-top:88px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-main);}
.footer-brand .brand-name{display:block;font-size:17px;font-weight:700;color:#fff;}
.footer-brand .brand-sub{display:block;font-size:12px;color:var(--c-dark-sub);letter-spacing:.06em;}
.site-footer p{font-size:14px;line-height:1.8;color:var(--c-dark-sub);margin:0;}
.site-footer h4{font-size:14px;font-weight:600;color:var(--c-main);margin-bottom:16px;}
.footer-links a{
  display:block;
  padding:6px 0;
  font-size:14px;
  color:#C8D6D3;
  transition:color .18s ease,transform .18s ease;
}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
  color:#7E918E;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .layout-aside{grid-template-columns:240px 1fr;gap:32px;}
  .entry-media{flex:0 0 210px;width:210px;}
}
@media (max-width:991px){
  h1{font-size:36px;}
  h2{font-size:27px;}
  .nav-main,.header-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .layout-aside{grid-template-columns:1fr;gap:28px;}
  .side-toc{position:static;}
  .toc-card{padding:16px;}
  .toc-link{display:inline-block;margin:0 6px 6px 0;}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .flow-item:nth-child(2)::after{display:none;}
  .consult-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .plan-row{grid-template-columns:170px 1fr;}
  .plan-row .plan-action{grid-column:1 / -1;}
  .plan-row .plan-action .btn{width:100%;}
}
@media (max-width:767px){
  body{padding-bottom:76px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  body{font-size:15.5px;}
  .section{padding:56px 0;}
  .section-tight-top{padding-top:44px;}
  .page-hero{min-height:0;padding:52px 0 44px;}
  .hero-lead{font-size:16px;}
  .hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
  .stat{padding:14px 16px;min-width:0;}
  .stat-num{font-size:26px;}
  .entry-card{flex-direction:column-reverse;gap:16px;padding:20px;}
  .entry-media{width:100%;flex:0 0 auto;}
  .entry-media img{aspect-ratio:16/9;}
  .plan-row{grid-template-columns:1fr;gap:14px;padding:20px;}
  .plan-points span{display:block;margin:0 0 6px;}
  .flow-grid{grid-template-columns:1fr;}
  .flow-item::after{display:none;}
  .consult-form{padding:22px;}
  .faq-item{padding:0 18px;}
  .site-footer{margin-top:56px;padding-bottom:100px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .tabbar{
    display:flex;
    position:fixed;
    left:0;
    right:0;
    bottom:0;
    z-index:1040;
    background:rgba(255,255,255,.98);
    border-top:1px solid var(--line);
    box-shadow:0 -2px 12px rgba(12,27,30,.06);
    padding-bottom:env(safe-area-inset-bottom);
  }
}