/* roulang page: index */
:root{
  --brand-500:#FF5A1F;--brand-600:#E8450C;--brand-400:#FF8A3D;
  --ink-900:#0E2A22;--ink-700:#1F3D33;--ink-500:#4A635A;--ink-300:#93A79F;
  --lime:#C8F135;--mint:#14E0A3;--urgent:#E6173A;
  --bg:#FBF6EE;--surface:#FFFFFF;--surface-2:#F3EDE3;--line:#E6DDD0;
  --grad-brand:linear-gradient(120deg,#FF5A1F 0%,#FF8A3D 45%,#FFC93C 100%);
  --grad-deep:linear-gradient(160deg,#0E2A22 0%,#123A2E 100%);
  --r-lg:24px;--r-md:16px;--r-sm:12px;--r-pill:999px;
  --sh-1:0 8px 24px rgba(14,42,34,.08);
  --sh-2:0 18px 44px rgba(14,42,34,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Barlow","DIN Alternate",-apple-system,sans-serif;
  --sec-pc:96px;--sec-tb:72px;--sec-mb:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.75;
  color:var(--ink-700);background:var(--bg);letter-spacing:.01em;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-500)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:800;letter-spacing:.005em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px}
.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.grid-x{display:flex;flex-wrap:wrap}
.grid-padding-x>.cell{padding-left:12px;padding-right:12px}
.grid-padding-x{margin-left:-12px;margin-right:-12px}
.cell{flex:0 0 auto;min-width:0}
.large-7{width:58.3333%}.large-5{width:41.6666%}.large-6{width:50%}
.large-4{width:33.3333%}.large-3{width:25%}.large-8{width:66.6666%}
.medium-6{width:50%}.medium-12{width:100%}.small-12{width:100%}
.section{padding:var(--sec-pc) 0}
.section--tight{padding:64px 0}
.section--alt{background:var(--surface-2)}
.section-head{max-width:760px;margin-bottom:32px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--brand-600);background:#FFEDE2;border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;letter-spacing:.08em;
}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--grad-brand)}
h2.section-title{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:800;margin-bottom:14px}
.section-sub{font-size:16px;color:var(--ink-500);max-width:720px}
/* 顶部细条 */
.topbar{background:var(--grad-deep);color:#CFE3DA;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;flex-wrap:wrap}
.topbar-note{letter-spacing:.02em}
.topbar-meta{display:flex;gap:20px;color:#A9C6BA}
.topbar-meta a{color:#CFE3DA}
.topbar-meta a:hover{color:var(--lime)}
/* 主导航 */
.site-header{position:sticky;top:0;z-index:60}
.main-nav{background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s var(--ease)}
.main-nav.is-scrolled{box-shadow:0 6px 18px rgba(14,42,34,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:50%;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;
  font-size:18px;box-shadow:0 6px 16px rgba(255,90,31,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:900;color:var(--ink-900);letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--ink-300);letter-spacing:.14em;text-transform:uppercase}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-list a{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;color:var(--ink-700);transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-list a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500);opacity:0;transition:opacity .2s var(--ease)}
.nav-list a:hover{background:var(--surface-2);color:var(--ink-900)}
.nav-list a.is-active{background:var(--surface-2);color:var(--ink-900)}
.nav-list a.is-active::before{opacity:1}
.nav-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);background-size:160% 100%;background-position:0 0;color:#fff;box-shadow:0 10px 24px rgba(232,69,12,.28)}
.btn-primary:hover{background-position:100% 0;color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(232,69,12,.34)}
.btn-ghost{background:#fff;border:1.5px solid var(--ink-900);color:var(--ink-900)}
.btn-ghost:hover{background:var(--ink-900);color:#fff;transform:translateY(-2px)}
.btn-urgent{background:var(--urgent);color:#fff;box-shadow:0 10px 24px rgba(230,23,58,.3)}
.btn-urgent:hover{background:#C7102F;color:#fff;transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-600);padding:6px 0}
.btn-link i{transition:transform .2s var(--ease)}
.btn-link:hover i{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.nav-toggle{display:none;width:46px;height:46px;border-radius:var(--r-sm);background:var(--surface-2);color:var(--ink-900);font-size:18px}
/* 抽屉 */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(340px,86vw);background:#fff;z-index:90;
  transform:translateX(105%);transition:transform .28s var(--ease);display:flex;flex-direction:column;
  box-shadow:-16px 0 40px rgba(14,42,34,.18);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:42px;height:42px;border-radius:var(--r-sm);background:var(--surface-2);font-size:18px}
.drawer-body{padding:12px 16px;flex:1 1 auto;overflow:auto}
.drawer-body a{display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:var(--r-sm);font-weight:700;color:var(--ink-700)}
.drawer-body a:hover,.drawer-body a.is-active{background:var(--surface-2);color:var(--ink-900)}
.drawer-foot{padding:16px;border-top:1px solid var(--line)}
.mask{position:fixed;inset:0;background:rgba(14,42,34,.45);z-index:80;opacity:0;pointer-events:none;transition:opacity .28s var(--ease)}
.mask.is-open{opacity:1;pointer-events:auto}
/* Hero */
.hero{position:relative;background:var(--grad-deep);color:#EAF4EF;overflow:hidden;padding:84px 0 96px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.22;filter:saturate(.9)}
.hero-band{
  position:absolute;left:-10%;top:-20%;width:70%;height:150%;
  background:linear-gradient(120deg,rgba(255,90,31,.55),rgba(255,201,60,.05));
  filter:blur(60px);transform:rotate(8deg);pointer-events:none;
}
.hero-grid{position:relative;z-index:2;align-items:center;row-gap:40px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(200,241,53,.14);color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:20px;
}
.hero h1{color:#fff;font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:900;margin-bottom:18px}
.hero-sub{font-size:clamp(16px,1.6vw,19px);color:#C8DED4;margin-bottom:18px;max-width:620px}
.hero-desc{font-size:15px;color:#A9C6BA;max-width:620px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-badges{display:flex;flex-direction:column;gap:14px}
.stat-badge{
  display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.06);
  border:1px solid rgba(200,241,53,.22);border-radius:var(--r-md);padding:16px 20px;
  backdrop-filter:blur(2px);
}
.stat-num{font-family:var(--font-num);font-size:30px;font-weight:700;letter-spacing:-.02em;color:var(--lime);line-height:1}
.stat-num small{font-size:15px;margin-left:2px}
.stat-text{font-size:13px;color:#BFD8CD;line-height:1.5}
/* 徽章条 */
.badge-strip{margin-top:-42px;position:relative;z-index:5}
.badge-strip .badge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mini-badge{
  background:var(--ink-900);border-radius:var(--r-md);padding:20px;color:#D8E8E0;
  box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.mini-badge:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.mini-badge .num{font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--lime);letter-spacing:-.02em;display:block;margin-bottom:6px}
.mini-badge .cap{font-size:13px;color:#9DBBB0}
/* 阶梯 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.step{
  position:relative;background:var(--surface-2);border-radius:var(--r-md);padding:26px 22px;
  margin-right:18px;transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.step:last-child{margin-right:0}
.step::after{
  content:"";position:absolute;right:-18px;top:50%;width:18px;height:2px;
  background:linear-gradient(90deg,var(--brand-400),rgba(255,138,61,.2));transform:translateY(-50%);
}
.step:last-child::after{display:none}
.step.is-active{background:var(--grad-brand);color:#fff;box-shadow:0 16px 34px rgba(232,69,12,.26)}
.step.is-active .step-title,.step.is-active .step-desc{color:#fff}
.step.is-active .step-no{background:rgba(255,255,255,.22);color:#fff}
.step-no{
  width:38px;height:38px;border-radius:50%;background:#fff;color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-num);
  font-weight:700;font-size:17px;margin-bottom:14px;
}
.step-title{font-size:17px;font-weight:800;color:var(--ink-900);margin-bottom:8px}
.step-desc{font-size:14px;color:var(--ink-500);line-height:1.7;margin-bottom:12px}
/* 套餐对比 */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:40px}
.plan-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 26px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.plan-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:5px;background:var(--grad-brand);
  opacity:0;transition:opacity .2s var(--ease);
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.plan-card:hover::before{opacity:1}
.plan-card.is-featured{border:2px solid var(--brand-500)}
.plan-card.is-featured::before{opacity:1}
.plan-flag{
  position:absolute;right:20px;top:20px;font-size:12px;font-weight:700;color:#fff;
  background:var(--brand-600);border-radius:var(--r-pill);padding:4px 12px;
}
.plan-name{font-size:20px;font-weight:800;color:var(--ink-900);margin-bottom:6px}
.plan-note{font-size:13px;color:var(--ink-300);margin-bottom:18px}
.plan-price{font-family:var(--font-num);font-size:34px;font-weight:700;color:var(--brand-600);letter-spacing:-.02em;margin-bottom:4px}
.plan-price span{font-size:14px;font-family:var(--font-sans);color:var(--ink-300);font-weight:400}
.plan-list{margin:20px 0 24px;display:flex;flex-direction:column;gap:10px}
.plan-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-500)}
.plan-list i{color:var(--brand-500);margin-top:5px;font-size:12px}
/* 对照表 */
.compare{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);background:#fff}
.compare-row{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;border-bottom:1px solid var(--line)}
.compare-row:last-child{border-bottom:0}
.compare-row.head{background:var(--grad-deep);color:#fff;font-weight:700}
.compare-row:nth-child(even):not(.head){background:#FDFAF5}
.compare-cell{padding:18px 20px;font-size:14px;color:var(--ink-500);display:flex;align-items:center}
.compare-row.head .compare-cell{color:#fff;font-size:15px}
.compare-cell:first-child{font-weight:700;color:var(--ink-900)}
.compare-row.head .compare-cell:first-child{color:#fff}
.dot-ok{color:var(--mint);font-weight:700;margin-right:6px}
/* 限时入口 */
.urgent-band{
  background:var(--grad-deep);border-radius:var(--r-lg);padding:34px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  position:relative;overflow:hidden;box-shadow:var(--sh-1);
}
.urgent-band::after{
  content:"";position:absolute;right:-80px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,31,.42),transparent 68%);
}
.urgent-copy{position:relative;z-index:2}
.urgent-copy h3{color:#fff;font-size:clamp(20px,2.2vw,26px);font-weight:800;margin-bottom:8px}
.urgent-copy p{color:#A9C6BA;font-size:14px;max-width:560px}
.urgent-right{position:relative;z-index:2;display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.countdown{display:flex;gap:10px}
.count-unit{
  background:rgba(255,255,255,.08);border:1px solid rgba(200,241,53,.24);border-radius:var(--r-sm);
  min-width:66px;padding:10px 8px;text-align:center;
}
.count-unit b{display:block;font-family:var(--font-num);font-size:26px;color:var(--lime);letter-spacing:-.02em;line-height:1.1}
.count-unit i{font-style:normal;font-size:12px;color:#9DBBB0}
/* 内容卡 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  background:#fff;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;position:relative;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.post-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-brand);
  opacity:0;transition:opacity .2s var(--ease);z-index:3;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.post-card:hover::before{opacity:1}
.post-media{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.post-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.post-card:hover .post-media img{transform:scale(1.04)}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.post-cat{
  display:inline-flex;align-self:flex-start;font-size:12px;font-weight:700;color:var(--brand-600);
  background:#FFEDE2;border-radius:var(--r-pill);padding:4px 12px;margin-bottom:12px;
}
.post-title{font-size:18px;font-weight:800;line-height:1.45;margin-bottom:10px}
.post-title a{color:var(--ink-900)}
.post-title a:hover{color:var(--brand-600)}
.post-excerpt{
  font-size:15px;color:var(--ink-500);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-300);padding-top:16px;border-top:1px dashed var(--line);
}
.post-meta .more{font-weight:700;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px}
.post-meta .more i{transition:transform .2s var(--ease)}
.post-card:hover .post-meta .more i{transform:translateX(4px)}
.empty-state{
  border:2px dashed var(--line);border-radius:var(--r-lg);padding:56px 24px;text-align:center;
  background:#fff;
}
.empty-state i{font-size:30px;color:var(--ink-300);margin-bottom:14px;display:block}
.empty-state p{color:var(--ink-500);margin-bottom:18px}
.list-foot{text-align:center;margin-top:36px}
/* 证据 */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote-card{background:#fff;border-radius:var(--r-lg);padding:28px 26px;box-shadow:var(--sh-1);height:100%}
.quote-card .stars{color:#FFB020;font-size:14px;margin-bottom:14px;letter-spacing:2px}
.quote-card p{font-size:15px;color:var(--ink-700);margin-bottom:20px}
.quote-who{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--ink-500)}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
/* FAQ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 24px}
.faq-item{background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;position:relative}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-500);
  opacity:0;transition:opacity .2s var(--ease);
}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:700;color:var(--ink-900);
}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;color:var(--brand-600);
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand-500);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a p{padding:0 22px 22px;font-size:15px;color:var(--ink-500)}
/* 表单 */
.consult-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:start}
.consult-points{display:flex;flex-direction:column;gap:18px;margin-top:26px}
.point{display:flex;gap:14px}
.point i{
  flex:0 0 auto;width:40px;height:40px;border-radius:var(--r-sm);background:var(--surface-2);
  color:var(--brand-600);display:flex;align-items:center;justify-content:center;
}
.point h4{font-size:16px;margin-bottom:4px}
.point p{font-size:14px;color:var(--ink-500)}
.form-card{background:#fff;border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-1)}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--ink-500);margin-bottom:8px;font-weight:700}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;
  padding:13px 16px;font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(255,90,31,.12);
}
.field.has-error input,.field.has-error textarea{border-color:var(--urgent)}
.field-error{display:none;font-size:12px;color:var(--urgent);margin-top:6px}
.field.has-error .field-error{display:block}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-500);margin-bottom:20px}
.check-row input{width:18px;height:18px;margin-top:4px;accent-color:var(--brand-500)}
.form-ok{display:none;margin-top:16px;font-size:14px;color:var(--ink-900);background:#E9FAF3;border-radius:var(--r-sm);padding:12px 16px}
.form-ok.is-show{display:block}
/* CTA 带 */
.cta-band{
  background:var(--grad-brand);border-radius:var(--r-lg);padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  box-shadow:0 18px 40px rgba(232,69,12,.24);
}
.cta-band h3{color:#fff;font-size:clamp(20px,2.4vw,28px);font-weight:900;margin-bottom:6px}
.cta-band p{color:rgba(255,255,255,.9);font-size:15px;margin:0}
.cta-band .btn-ghost{border-color:#fff;background:#fff;color:var(--brand-600)}
.cta-band .btn-ghost:hover{background:var(--ink-900);border-color:var(--ink-900);color:#fff}
/* 页脚 */
.site-footer{background:var(--grad-deep);color:#A9C6BA;padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-name{color:#fff}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer-col li{margin-bottom:10px}
.footer-col a,.footer-col p{font-size:14px;color:#A9C6BA}
.footer-col a:hover{color:var(--lime)}
.footer-note{font-size:13px;color:#8FAc a2;line-height:1.8}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0 28px;font-size:13px;color:#7F9C91;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
/* 响应式 */
@media screen and (max-width:1279px){
  .grid-container{max-width:960px}
  .card-grid,.plan-grid,.quote-grid{grid-template-columns:repeat(2,1fr)}
  .large-7,.large-5,.large-8,.large-4{width:100%}
  .large-6{width:100%}
}
@media screen and (max-width:1023px){
  .section{padding:var(--sec-tb) 0}
  .nav-list{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-actions .btn-primary{display:none}
  .hero{padding:64px 0 84px}
  .hero-grid{row-gap:32px}
  .badge-strip .badge-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr 1fr;gap:18px}
  .step{margin-right:0}
  .step::after{display:none}
  .consult-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .compare-row{grid-template-columns:1.4fr 1fr 1fr 1fr}
}
@media screen and (max-width:767px){
  .section{padding:var(--sec-mb) 0}
  .topbar-meta{display:none}
  .card-grid,.plan-grid,.quote-grid,.faq-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .compare{border-radius:var(--r-md)}
  .compare-row{display:block;border-bottom:1px solid var(--line)}
  .compare-row.head{display:none}
  .compare-cell{padding:12px 18px}
  .compare-cell:first-child{background:var(--surface-2);font-size:15px}
  .compare-cell::before{content:attr(data-label);display:block;font-size:12px;color:var(--ink-300);margin-bottom:2px}
  .urgent-band{padding:26px 22px}
  .urgent-right{width:100%}
  .countdown{flex-wrap:wrap}
  .count-unit{flex:1 1 60px}
  .cta-band{padding:32px 24px}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .form-card{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-top:52px;margin-top:64px}
  .brand-name{font-size:16px}
}
@media screen and (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px}
  .hero h1{font-size:28px}
  .stat-num{font-size:24px}
}

/* roulang page: article */
:root{
  --brand-500:#FF5A1F;
  --brand-600:#E8450C;
  --brand-400:#FF8A3D;
  --lime:#C8F135;
  --mint:#14E0A3;
  --ink-900:#0E2A22;
  --ink-700:#1F3D33;
  --ink-500:#4A635A;
  --ink-300:#93A79F;
  --bg:#FBF6EE;
  --surface:#FFFFFF;
  --surface-2:#F3EDE3;
  --line:#E6DDD0;
  --urgent:#E6173A;
  --grad-brand:linear-gradient(120deg,#FF5A1F 0%,#FF8A3D 45%,#FFC93C 100%);
  --grad-deep:linear-gradient(160deg,#0E2A22 0%,#123A2E 100%);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(14,42,34,.08);
  --shadow-2:0 18px 44px rgba(14,42,34,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Barlow","DIN Alternate",-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-500);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid var(--lime);
  outline-offset:2px;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink-900);font-weight:800;line-height:1.3;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;}
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto;}
.grid-container.full{max-width:100%;padding:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border:0;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn i{font-size:14px;}
.btn-primary{
  background:var(--grad-brand);
  background-size:160% 100%;
  background-position:0% 50%;
  color:#fff;
  box-shadow:0 10px 24px rgba(255,90,31,.28);
}
.btn-primary:hover{
  background-position:100% 50%;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(255,90,31,.36);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;color:var(--ink-900);border:1.5px solid var(--line);
}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-dark{
  background:var(--ink-900);color:#fff;
}
.btn-dark:hover{background:var(--ink-700);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-600);font-weight:700;font-size:15px;
}
.link-more i{transition:transform .2s var(--ease);font-size:13px;}
.link-more:hover i{transform:translateX(4px);}

/* ============ 顶部细条 ============ */
.topbar{background:var(--grad-deep);color:rgba(255,255,255,.84);font-size:13px;height:36px;display:flex;align-items:center;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.topbar-note{letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-meta{display:flex;align-items:center;gap:20px;white-space:nowrap;}
.topbar-meta i{margin-right:5px;color:var(--lime);}
.topbar-meta a{color:var(--lime);font-weight:600;}
.topbar-meta a:hover{color:#fff;}

/* ============ 导航 ============ */
.site-header{position:relative;z-index:900;}
.main-nav{
  position:sticky;top:0;z-index:1000;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.main-nav.is-stuck{box-shadow:0 6px 18px rgba(14,42,34,.06);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:50%;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:19px;
  box-shadow:0 8px 18px rgba(255,90,31,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:16.5px;font-weight:900;color:var(--ink-900);letter-spacing:.01em;}
.brand-sub{font-family:var(--font-num);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-300);}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-list li{list-style:none;}
.nav-list a{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 16px;border-radius:var(--radius-pill);
  color:var(--ink-700);font-size:15px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-list a:hover{background:var(--surface-2);color:var(--ink-900);}
.nav-list a.is-active{background:var(--surface-2);color:var(--ink-900);}
.nav-list a.is-active::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--surface-2);border:1px solid var(--line);
  color:var(--ink-900);font-size:17px;align-items:center;justify-content:center;
}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(14,42,34,.45);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);z-index:1100;
}
.nav-backdrop.is-open{opacity:1;visibility:visible;}

/* ============ 文章头图区 ============ */
.article-hero{
  position:relative;overflow:hidden;
  background:var(--grad-deep);
  padding:64px 0 56px;
}
.article-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.22;filter:saturate(.9);
}
.article-hero::after{
  content:"";position:absolute;left:-10%;top:-40%;width:60%;height:180%;transform:rotate(14deg);
  background:linear-gradient(120deg,rgba(255,90,31,.42),rgba(255,201,60,.05));
  pointer-events:none;
}
.article-hero .grid-container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.62);margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:#fff;font-weight:600;}
.article-title{
  color:#fff;
  font-size:clamp(28px,3.6vw,44px);
  font-weight:900;line-height:1.2;
  max-width:900px;
  letter-spacing:.01em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;
  margin-top:22px;color:rgba(255,255,255,.8);font-size:14px;
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta .meta-item i{color:var(--lime);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:13px;font-weight:600;
}

/* ============ 主体布局 ============ */
.site-main{padding:56px 0 80px;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;
}
.article-body{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  padding:44px clamp(20px,4vw,56px) 52px;
  min-width:0;
}
.article-body .prose{max-width:800px;margin:0 auto;}
.prose{font-size:16.5px;line-height:1.85;color:var(--ink-700);}
.prose > *:first-child{margin-top:0;}
.prose h2{
  position:relative;
  font-size:clamp(21px,2.2vw,26px);
  font-weight:800;color:var(--ink-900);
  margin:44px 0 16px;padding-left:16px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.2em;
  width:4px;height:.9em;border-radius:3px;background:var(--grad-brand);
}
.prose h3{
  font-size:19px;font-weight:700;color:var(--ink-900);
  margin:32px 0 12px;
}
.prose h4{font-size:17px;font-weight:700;margin:26px 0 10px;color:var(--ink-900);}
.prose p{margin:0 0 1em;}
.prose strong{color:var(--ink-900);font-weight:700;}
.prose img{
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-1);
  margin:26px auto;
}
.prose figure{margin:26px 0;}
.prose figcaption{
  margin-top:10px;font-size:13px;color:var(--ink-300);text-align:center;
}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:1.4em;}
.prose ul{list-style:none;}
.prose ul li{position:relative;padding-left:0;margin-bottom:.55em;list-style:none;}
.prose ul li::before{
  content:"";position:absolute;left:-1.1em;top:.68em;
  width:7px;height:7px;border-radius:2px;background:var(--brand-500);
}
.prose ol{list-style:decimal;}
.prose ol li{margin-bottom:.55em;}
.prose ol li::marker{color:var(--brand-600);font-weight:700;}
.prose blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--surface-2);
  border-left:4px solid var(--brand-500);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--ink-700);font-style:normal;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose table{
  width:100%;border-collapse:collapse;margin:26px 0;
  font-size:15px;border-radius:var(--radius-sm);overflow:hidden;
}
.prose thead th{
  background:var(--ink-900);color:#fff;font-weight:700;
  text-align:left;padding:13px 16px;
}
.prose tbody td{
  padding:13px 16px;border-bottom:1px solid var(--line);color:var(--ink-700);
}
.prose tbody tr:nth-child(even){background:var(--surface-2);}
.prose a{color:var(--brand-600);border-bottom:1px solid rgba(232,69,12,.3);}
.prose a:hover{color:var(--brand-500);border-bottom-color:var(--brand-500);}
.prose hr{border:0;border-top:1px solid var(--line);margin:36px 0;}

/* ============ 侧栏 ============ */
.article-aside{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;}
.aside-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  padding:26px 24px;
}
.aside-card h3{
  font-size:16px;font-weight:800;color:var(--ink-900);margin-bottom:16px;
  display:flex;align-items:center;gap:8px;
}
.aside-card h3::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--brand-500);
}
.aside-list li{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;border-bottom:1px dashed var(--line);
  font-size:14.5px;
}
.aside-list li:last-child{border-bottom:0;}
.aside-list a{color:var(--ink-700);font-weight:600;}
.aside-list a:hover{color:var(--brand-600);}
.aside-list i{color:var(--brand-400);font-size:12px;}
.aside-card.dark{
  background:var(--grad-deep);border-color:transparent;color:rgba(255,255,255,.82);
}
.aside-card.dark h3{color:#fff;}
.aside-card.dark h3::before{background:var(--lime);}
.aside-card.dark p{font-size:14px;line-height:1.7;margin-bottom:18px;}
.aside-card.dark .btn-primary{box-shadow:0 12px 26px rgba(0,0,0,.28);}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.badge{
  flex:1 1 120px;
  background:var(--ink-900);color:rgba(255,255,255,.72);
  border-radius:var(--radius-sm);padding:12px 14px;
}
.badge b{
  display:block;font-family:var(--font-num);font-size:22px;font-weight:700;
  color:var(--lime);letter-spacing:-.02em;line-height:1.2;
}
.badge span{font-size:12px;}

/* ============ 空态 ============ */
.empty-state{
  text-align:center;
  border:1.5px dashed var(--line);
  border-radius:var(--radius-lg);
  padding:64px 24px;
  background:var(--surface-2);
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 20px;border-radius:50%;
  background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-500);font-size:24px;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--ink-500);max-width:460px;margin:0 auto 24px;}

/* ============ 相关推荐 ============ */
.section{padding:88px 0;}
.section-head{margin-bottom:36px;max-width:720px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--brand-600);font-weight:700;margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad-brand);}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:12px;}
.section-head p{color:var(--ink-500);font-size:15.5px;margin:0;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.card::before{
  content:"";position:absolute;left:0;top:0;right:0;height:4px;
  background:var(--grad-brand);opacity:0;transition:opacity .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.card:hover::before{opacity:1;}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.card-cat{
  display:inline-flex;align-self:flex-start;
  padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--surface-2);color:var(--brand-600);
  font-size:12px;font-weight:700;margin-bottom:14px;
}
.card-body h3{font-size:18px;line-height:1.45;margin-bottom:10px;}
.card-body h3 a{color:var(--ink-900);}
.card-body h3 a:hover{color:var(--brand-600);}
.card-body p{
  font-size:14.5px;color:var(--ink-500);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:18px;
}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-300);
}
.card-foot .go{color:var(--brand-600);font-weight:700;display:inline-flex;align-items:center;gap:6px;}
.card-foot .go i{transition:transform .2s var(--ease);font-size:12px;}
.card-foot .go:hover i{transform:translateX(4px);}

/* ============ 咨询区 ============ */
.consult-section{background:var(--grad-deep);padding:88px 0;position:relative;overflow:hidden;}
.consult-section::after{
  content:"";position:absolute;right:-12%;bottom:-60%;width:52%;height:200%;transform:rotate(16deg);
  background:linear-gradient(120deg,rgba(255,90,31,.28),rgba(200,241,53,.04));
  pointer-events:none;
}
.consult-section .grid-container{position:relative;z-index:2;}
.consult-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start;}
.consult-copy h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:16px;}
.consult-copy p{color:rgba(255,255,255,.78);font-size:15.5px;max-width:520px;}
.consult-points{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.consult-points li{
  display:flex;gap:12px;align-items:flex-start;
  color:rgba(255,255,255,.86);font-size:15px;
}
.consult-points i{
  flex:0 0 auto;margin-top:4px;color:var(--lime);font-size:14px;
}
.form-card{
  background:var(--surface);
  border-radius:var(--radius-lg);
  box-shadow:0 24px 60px rgba(0,0,0,.22);
  padding:32px clamp(20px,3vw,34px);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-tip{font-size:13.5px;color:var(--ink-300);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--ink-500);margin-bottom:7px;font-weight:600;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--surface);color:var(--ink-900);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,90,31,.14);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-500);margin-bottom:20px;}
.check input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand-500);flex:0 0 auto;}
.form-note{font-size:12.5px;color:var(--ink-300);margin:14px 0 0;text-align:center;}

/* ============ 页脚 ============ */
.site-footer{background:var(--grad-deep);color:rgba(255,255,255,.74);padding:72px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.5);}
.footer-note{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px;margin:0;}
.footer-col h4{
  font-size:15px;color:#fff;margin-bottom:18px;font-weight:700;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col ul a:hover{color:var(--lime);}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:0 0 12px;}
.footer-col p a{color:var(--lime);font-weight:600;}
.footer-col p a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:24px 0;font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px;}
}
@media (max-width:1023px){
  .nav-list{
    position:fixed;top:0;right:0;width:min(340px,86vw);height:100vh;
    background:#fff;flex-direction:column;align-items:stretch;gap:2px;
    padding:96px 20px 120px;
    transform:translateX(100%);
    transition:transform .28s var(--ease);
    box-shadow:-20px 0 44px rgba(14,42,34,.16);
    z-index:1200;overflow-y:auto;
  }
  .nav-list.is-open{transform:translateX(0);}
  .nav-list a{display:flex;justify-content:flex-start;min-height:48px;padding:13px 16px;border-radius:var(--radius-sm);font-size:16px;}
  .nav-toggle{display:inline-flex;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-aside{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .consult-grid{grid-template-columns:minmax(0,1fr);gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:767px){
  .topbar-note{font-size:12px;}
  .topbar-meta span:first-child{display:none;}
  .nav-inner{height:66px;}
  .brand-sub{display:none;}
  .nav-actions .btn-primary{display:none;}
  .article-hero{padding:40px 0 36px;}
  .breadcrumb{font-size:12.5px;}
  .site-main{padding:36px 0 56px;}
  .article-body{padding:28px 18px 36px;border-radius:var(--radius-md);}
  .prose{font-size:16px;}
  .prose h2{margin-top:34px;}
  .prose table{font-size:14px;}
  .prose thead th,.prose tbody td{padding:10px 12px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .field-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .section{padding:56px 0;}
  .consult-section{padding:56px 0;}
  .form-card{padding:24px 18px;}
  .btn{width:100%;}
  .btn.btn-inline{width:auto;}
  .article-meta{gap:10px 16px;font-size:13px;}
}
@media (max-width:520px){
  .brand-name{font-size:15px;}
  .article-title{font-size:26px;}
}

/* roulang page: category1 */
:root{
  --brand-500:#FF5A1F;
  --brand-600:#E8450C;
  --brand-400:#FF8A3D;
  --ink-900:#0E2A22;
  --ink-700:#1F3D33;
  --ink-500:#4A635A;
  --ink-300:#93A79F;
  --lime:#C8F135;
  --mint:#14E0A3;
  --bg:#FBF6EE;
  --surface:#FFFFFF;
  --surface-2:#F3EDE3;
  --line:#E6DDD0;
  --urgent:#E6173A;
  --grad-brand:linear-gradient(120deg,#FF5A1F 0%,#FF8A3D 45%,#FFC93C 100%);
  --grad-deep:linear-gradient(160deg,#0E2A22 0%,#123A2E 100%);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-1:0 8px 24px rgba(14,42,34,.08);
  --shadow-2:0 18px 44px rgba(14,42,34,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-num:"Barlow","DIN Alternate",-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease)}
a:hover{color:var(--brand-600)}
h1,h2,h3,h4,h5{margin:0 0 12px;color:var(--ink-900);font-weight:800;line-height:1.3}
h1{font-weight:900}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px}
.grid-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.grid-x{display:flex;flex-wrap:wrap}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:800}
.section-head p{color:var(--ink-500);font-size:16px;max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--brand-600);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--brand-500);border-radius:2px}

/* ---------- 顶部条 + 导航 ---------- */
.site-header{position:relative;z-index:90}
.topbar{background:var(--grad-deep);color:#C8DAD3;font-size:13px;height:36px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-meta{display:flex;align-items:center;gap:18px;flex-shrink:0}
.topbar-meta i{margin-right:6px;color:var(--mint)}
.topbar-meta a{color:var(--lime);font-weight:700}
.topbar-meta a:hover{color:#fff}
.main-nav{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease);z-index:90}
.main-nav.is-scrolled{box-shadow:0 6px 18px rgba(14,42,34,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:44px;height:44px;border-radius:50%;background:var(--grad-brand);
  color:#fff;display:grid;place-items:center;font-weight:900;font-size:20px;
  box-shadow:0 8px 20px rgba(255,90,31,.32);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-weight:900;font-size:17px;color:var(--ink-900);letter-spacing:.01em}
.brand-sub{font-family:var(--font-num);font-size:11px;letter-spacing:.16em;color:var(--ink-300);text-transform:uppercase}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-list a{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-700);white-space:nowrap;
}
.nav-list a:hover{background:var(--surface-2);color:var(--ink-900)}
.nav-list a.is-active{background:var(--surface-2);color:var(--ink-900);font-weight:700}
.nav-list a.is-active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--ink-900);font-size:18px;cursor:pointer;place-items:center;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:var(--surface-2);border-color:var(--brand-400)}
.drawer-cta{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-position .3s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn i{font-size:13px}
.btn-primary{
  background:var(--grad-brand);background-size:180% 100%;background-position:0 0;
  color:#fff;box-shadow:0 10px 24px rgba(255,90,31,.28);
}
.btn-primary:hover{background-position:100% 0;transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,90,31,.36);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--ink-900);border-color:var(--ink-300)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.36)}
.btn-light:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}
.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--brand-600);font-weight:700;font-size:15px}
.text-link i{transition:transform .2s var(--ease)}
.text-link:hover i{transform:translateX(4px)}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink-900);color:#E7F1EC;padding:88px 0 80px}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;
  opacity:.34;
}
.page-hero::after{content:"";position:absolute;inset:0;background:var(--grad-deep);opacity:.88}
.hero-glow{
  position:absolute;width:560px;height:560px;right:-140px;top:-180px;
  background:radial-gradient(circle,rgba(255,138,61,.5),transparent 66%);
  pointer-events:none;z-index:1;
}
.hero-inner{position:relative;z-index:2;max-width:820px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:#9FB8AE;margin-bottom:20px}
.breadcrumb a{color:#CBDDD6}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb span.sep{color:#5D7B70}
.breadcrumb .current{color:#fff;font-weight:600}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(200,241,53,.14);border:1px solid rgba(200,241,53,.4);
  color:var(--lime);font-size:13px;font-weight:700;margin-bottom:20px;
}
.page-hero h1{color:#fff;font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:900;margin-bottom:18px}
.page-hero .hero-lead{font-size:clamp(16px,1.4vw,18px);color:#C4D8D0;max-width:640px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px 26px;font-size:13px;color:#9FB8AE}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{color:var(--mint)}

/* ---------- 指引时间轴 ---------- */
.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 368px;gap:40px;align-items:start}
.timeline{position:relative}
.step{position:relative;display:flex;gap:20px;padding-bottom:28px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:21px;top:50px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--brand-400),rgba(255,138,61,.1));
}
.step:last-child::before{display:none}
.step-num{
  flex:0 0 44px;width:44px;height:44px;border-radius:50%;
  background:#fff;border:2px solid var(--brand-400);color:var(--brand-600);
  display:grid;place-items:center;font-family:var(--font-num);font-weight:700;
  font-size:16px;letter-spacing:0;z-index:1;box-shadow:0 6px 16px rgba(255,90,31,.14);
}
.step-body{
  flex:1;min-width:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);padding:22px 24px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step:hover .step-body{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-400)}
.step-body h3{font-size:19px;margin-bottom:10px}
.step-body p{font-size:15px;color:var(--ink-500);margin-bottom:12px}
.step-points{display:grid;gap:8px}
.step-points li{position:relative;padding-left:20px;font-size:14px;color:var(--ink-700)}
.step-points li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:3px;
  background:var(--brand-400);
}

/* ---------- 侧栏卡 ---------- */
.side-card{
  position:sticky;top:100px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-1);overflow:hidden;
}
.side-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:var(--grad-brand)}
.side-card h3{font-size:20px;margin-bottom:8px}
.side-card .side-note{font-size:14px;color:var(--ink-500);margin-bottom:20px}
.badge-grid{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.badge{
  flex:1 1 calc(50% - 6px);background:var(--grad-deep);border-radius:var(--radius-sm);
  padding:12px 14px;min-width:0;
}
.badge:first-child{flex:1 1 100%}
.badge-num{display:block;font-family:var(--font-num);font-weight:700;font-size:22px;letter-spacing:-.02em;color:var(--lime);line-height:1.2}
.badge-label{display:block;font-size:12px;color:#A6BEB4;margin-top:2px}
.side-list{display:grid;gap:10px;margin-bottom:22px}
.side-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-700)}
.side-list i{color:var(--mint);margin-top:4px}
.side-foot{font-size:13px;color:var(--ink-500);border-top:1px dashed var(--line);padding-top:16px;margin-bottom:18px}

/* ---------- 入口特征清单 ---------- */
.check-section{background:var(--surface-2)}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.check-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:28px;overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.check-card::before{
  content:"";position:absolute;left:0;top:0;height:4px;width:100%;
  background:var(--grad-brand);opacity:0;transition:opacity .25s var(--ease);
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,138,61,.5)}
.check-card:hover::before{opacity:1}
.check-icon{
  width:48px;height:48px;border-radius:50%;background:var(--surface-2);
  color:var(--brand-600);display:grid;place-items:center;font-size:19px;margin-bottom:16px;
}
.check-card h3{font-size:19px;margin-bottom:8px}
.check-card p{font-size:15px;color:var(--ink-500);margin:0}

/* ---------- 数据条 ---------- */
.badge-band{padding:0 0 96px}
.band-inner{
  background:var(--grad-deep);border-radius:var(--radius-lg);padding:34px 32px;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;
}
.band-item{text-align:center;position:relative;padding:0 8px}
.band-item + .band-item::before{
  content:"";position:absolute;left:-11px;top:12%;height:76%;width:1px;background:rgba(255,255,255,.14);
}
.band-num{display:block;font-family:var(--font-num);font-weight:700;font-size:clamp(24px,2.6vw,32px);color:var(--lime);letter-spacing:-.02em;line-height:1.15}
.band-label{display:block;font-size:13px;color:#A6BEB4;margin-top:6px}

/* ---------- 常见弯路 ---------- */
.pitfall-layout{display:grid;grid-template-columns:0.95fr 1.05fr;gap:48px;align-items:center}
.pitfall-figure{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);position:relative;background:#fff}
.pitfall-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s var(--ease)}
.pitfall-figure:hover img{transform:scale(1.03)}
.pitfall-figure figcaption{
  position:absolute;left:16px;bottom:16px;right:16px;
  background:rgba(14,42,34,.82);color:#DCEAE4;border-radius:var(--radius-sm);
  padding:12px 14px;font-size:13px;line-height:1.6;
}
.pitfall-list{display:grid;gap:6px}
.pitfall-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line)}
.pitfall-item:last-child{border-bottom:0}
.pitfall-icon{
  flex:0 0 42px;width:42px;height:42px;border-radius:14px;
  background:rgba(230,23,58,.08);color:var(--urgent);display:grid;place-items:center;font-size:17px;
}
.pitfall-item h3{font-size:17px;margin-bottom:6px}
.pitfall-item p{font-size:14px;color:var(--ink-500);margin:0}
.pitfall-item p strong{color:var(--ink-900)}

/* ---------- FAQ ---------- */
.faq-section{background:var(--surface-2)}
.faq-wrap{max-width:920px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  margin-bottom:14px;overflow:hidden;transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.faq-item::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--brand-500);opacity:0;transition:opacity .2s var(--ease);
}
.faq-item.is-open{border-color:rgba(255,138,61,.6);box-shadow:var(--shadow-1)}
.faq-item.is-open::after{opacity:1}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16px;font-weight:700;color:var(--ink-900);
}
.faq-q i{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  background:var(--surface-2);color:var(--brand-600);
  display:grid;place-items:center;font-size:13px;
  transition:transform .25s var(--ease),background .2s var(--ease);
}
.faq-item.is-open .faq-q i{background:var(--grad-brand);color:#fff;transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 24px 20px;margin:0;font-size:15px;color:var(--ink-500)}
.faq-item.is-open .faq-a{max-height:420px}

/* ---------- CTA 带 ---------- */
.cta-band{padding:0 0 96px}
.cta-inner{
  position:relative;overflow:hidden;background:var(--grad-deep);border-radius:var(--radius-lg);
  padding:46px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-inner::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(200,241,53,.26),transparent 70%);
}
.cta-copy{position:relative;z-index:1;max-width:620px}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.6vw,32px);margin-bottom:10px}
.cta-copy p{color:#B9CCC4;margin:0;font-size:15px}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 咨询表单 ---------- */
.consult-layout{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.consult-points{display:grid;gap:14px;margin-top:24px}
.consult-points li{display:flex;gap:12px;font-size:15px;color:var(--ink-700)}
.consult-points i{color:var(--brand-500);margin-top:5px}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px;box-shadow:var(--shadow-1);
}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card .form-sub{font-size:14px;color:var(--ink-500);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--ink-500);margin-bottom:6px;font-weight:500}
.field input,.field textarea{
  width:100%;padding:13px 15px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink-900);
  font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:112px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-300)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,90,31,.15);
}
.field.has-error input,.field.has-error textarea{border-color:var(--urgent);box-shadow:0 0 0 3px rgba(230,23,58,.1)}
.field-error{display:none;font-size:12px;color:var(--urgent);margin-top:6px}
.field.has-error .field-error{display:block}
.checkbox-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-500);margin:4px 0 22px}
.checkbox-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand-500);flex:0 0 auto}
.form-msg{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--radius-sm);
  background:rgba(20,224,163,.12);color:#0B7A5C;font-size:14px;font-weight:500;
}
.form-msg.is-visible{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--grad-deep);color:#B9CCC4;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:900}
.footer-brand .brand-sub{font-family:var(--font-num);font-size:11px;letter-spacing:.16em;color:#7D998E;text-transform:uppercase}
.footer-note{font-size:14px;line-height:1.85;margin:0;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:14px;line-height:1.7}
.footer-col a{color:#B9CCC4}
.footer-col a:hover{color:var(--lime)}
.footer-col p{font-size:14px;line-height:1.8;margin:0 0 10px}
.footer-col p a{color:var(--lime);font-weight:700}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:#8FA79D;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .guide-layout{grid-template-columns:minmax(0,1fr) 330px;gap:32px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .section-tight{padding:60px 0}
  .badge-band{padding-bottom:72px}
  .cta-band{padding-bottom:72px}
  .nav-list a{padding:9px 13px;font-size:14px}
  .brand-sub{display:none}
  .guide-layout{grid-template-columns:1fr}
  .side-card{position:static}
  .pitfall-layout{grid-template-columns:1fr;gap:32px}
  .consult-layout{grid-template-columns:1fr;gap:32px}
  .band-inner{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 18px}
  .band-item:nth-child(3)::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .nav-toggle{display:grid}
  .nav-actions .btn-primary{display:none}
  .nav-list{
    position:fixed;top:0;right:0;bottom:0;width:304px;max-width:86vw;
    background:#fff;flex-direction:column;align-items:stretch;gap:6px;
    padding:96px 20px 110px;transform:translateX(105%);
    transition:transform .28s var(--ease);
    box-shadow:-12px 0 40px rgba(14,42,34,.2);
    z-index:95;overflow-y:auto;
  }
  .nav-list.is-open{transform:translateX(0)}
  .nav-list li{width:100%}
  .nav-list a{display:flex;width:100%;height:48px;border-radius:var(--radius-sm);padding:0 16px;font-size:15px}
  .nav-list a.is-active{background:var(--surface-2)}
  .drawer-cta{
    display:flex;position:fixed;right:20px;bottom:24px;
    width:264px;max-width:calc(86vw - 40px);z-index:96;
    transform:translateX(140%);transition:transform .28s var(--ease);
  }
  .drawer-cta.is-open{transform:translateX(0)}
  body.nav-open{overflow:hidden}
  body.nav-open::after{
    content:"";position:fixed;inset:0;background:rgba(14,42,34,.48);z-index:70;
  }
}
@media (max-width:768px){
  .grid-container{padding:0 18px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .page-hero{padding:64px 0 56px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-meta{gap:10px 18px}
  .check-grid{grid-template-columns:1fr}
  .badge-band{padding-bottom:56px}
  .cta-band{padding-bottom:56px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:34px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .form-card{padding:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .topbar-note{font-size:12px}
  .topbar-meta span:first-child{display:none}
}
@media (max-width:520px){
  .page-hero h1{font-size:30px}
  .step{flex-direction:column;gap:12px}
  .step::before{display:none}
  .step-num{width:40px;height:40px;flex:0 0 40px;font-size:15px}
  .step-body{padding:20px 18px}
  .badge:first-child{flex:1 1 100%}
  .badge{flex:1 1 calc(50% - 6px)}
  .band-inner{grid-template-columns:1fr;padding:28px 22px}
  .band-item + .band-item::before{display:none}
  .band-item{text-align:left;padding-left:0}
  .faq-q{padding:18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
  .side-card{padding:22px}
}

/* roulang page: category2 */
:root{
  --brand-500:#FF5A1F;
  --brand-600:#E8450C;
  --brand-400:#FF8A3D;
  --ink-900:#0E2A22;
  --ink-700:#1F3D33;
  --ink-500:#4A635A;
  --ink-300:#93A79F;
  --lime:#C8F135;
  --mint:#14E0A3;
  --urgent:#E6173A;
  --bg:#FBF6EE;
  --surface:#FFFFFF;
  --surface-2:#F3EDE3;
  --line:#E6DDD0;
  --grad-brand:linear-gradient(120deg,#FF5A1F 0%,#FF8A3D 45%,#FFC93C 100%);
  --grad-deep:linear-gradient(160deg,#0E2A22 0%,#123A2E 100%);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-1:0 8px 24px rgba(14,42,34,.08);
  --shadow-2:0 18px 44px rgba(14,42,34,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-base:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Barlow","DIN Alternate",-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--ink-700);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-md);}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--brand-500);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:800;line-height:1.25;}
p{margin:0 0 1em;max-width:720px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px;}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.row-gap{margin-bottom:0;}

/* ---------- 顶部细条 ---------- */
.topbar{background:var(--grad-deep);color:#D7E3DD;font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:16px;}
.topbar-note{letter-spacing:.02em;color:#EAF2EE;}
.topbar-meta{display:flex;align-items:center;gap:20px;}
.topbar-meta i{margin-right:6px;color:var(--mint);}
.topbar-meta a{color:#EAF2EE;border-bottom:1px solid rgba(200,241,53,.45);}
.topbar-meta a:hover{color:var(--lime);}

/* ---------- 主导航 ---------- */
.site-header{position:relative;z-index:60;}
.main-nav{
  position:sticky;top:0;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.main-nav.is-stuck{box-shadow:0 6px 18px rgba(14,42,34,.06);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink-900);}
.brand:hover{color:var(--ink-900);}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:50%;
  background:var(--grad-brand);
  color:#fff;font-weight:900;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(255,90,31,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:900;letter-spacing:.01em;}
.brand-sub{font-family:var(--font-num);font-size:11px;letter-spacing:.14em;color:var(--ink-300);text-transform:uppercase;}
.nav-list{display:flex;align-items:center;gap:6px;margin:0;}
.nav-list a{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-700);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-list a::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--brand-500);opacity:0;transition:opacity .2s var(--ease);
}
.nav-list a:hover{background:var(--surface-2);color:var(--ink-900);}
.nav-list a.is-active{background:var(--surface-2);color:var(--ink-900);font-weight:700;}
.nav-list a.is-active::before{opacity:1;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:var(--surface);color:var(--ink-900);
  font-size:18px;cursor:pointer;transition:border-color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--brand-400);color:var(--brand-600);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.02em;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--grad-brand);background-size:180% 100%;color:#fff;box-shadow:0 10px 24px rgba(255,90,31,.28);}
.btn-primary:hover{color:#fff;background-position:100% 0;transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,90,31,.34);}
.btn-ghost{background:var(--surface);color:var(--ink-900);border-color:var(--line);}
.btn-ghost:hover{color:var(--brand-600);border-color:var(--brand-400);transform:translateY(-2px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-outline-light:hover{color:var(--ink-900);background:#fff;border-color:#fff;}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-600);font-size:15px;}
.link-more i{transition:transform .2s var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* ---------- 内页横幅 ---------- */
.page-banner{
  position:relative;
  background:var(--grad-deep);
  color:#EAF2EE;
  overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.26;
}
.page-banner::after{
  content:"";position:absolute;left:-10%;top:-40%;width:60%;height:180%;
  background:var(--grad-brand);filter:blur(90px);opacity:.28;transform:rotate(12deg);
}
.banner-inner{position:relative;z-index:2;padding:72px 0 64px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#A9C0B7;margin-bottom:20px;}
.breadcrumb a{color:#CFE0D8;}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb li::after{content:"/";margin-left:8px;color:#6E887D;}
.breadcrumb li:last-child::after{content:"";}
.breadcrumb li:last-child{color:#fff;font-weight:600;}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(200,241,53,.14);border:1px solid rgba(200,241,53,.4);
  color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.06em;margin-bottom:18px;
}
.page-banner h1{
  color:#fff;
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.15;font-weight:900;
  max-width:900px;letter-spacing:.01em;
}
.banner-lead{
  margin-top:20px;max-width:720px;color:#C7D8D0;font-size:16.5px;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ---------- 数据徽章条 ---------- */
.badge-strip{margin-top:-38px;position:relative;z-index:5;}
.badge-strip-inner{
  background:var(--grad-deep);
  border-radius:var(--radius-lg);
  padding:26px 28px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  box-shadow:var(--shadow-2);
  border:1px solid rgba(200,241,53,.14);
}
.data-badge{display:flex;flex-direction:column;gap:4px;padding-left:16px;border-left:1px solid rgba(200,241,53,.22);}
.data-badge:first-child{border-left:0;padding-left:0;}
.data-badge .num{font-family:var(--font-num);font-size:30px;font-weight:700;letter-spacing:-.02em;color:var(--lime);line-height:1.1;}
.data-badge .num small{font-size:14px;color:var(--mint);margin-left:2px;font-family:var(--font-base);}
.data-badge .label{font-size:13px;color:#A9C0B7;letter-spacing:.02em;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-alt{background:var(--surface-2);}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:12px;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:var(--brand-600);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad-brand);}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:800;}
.section-head p{margin-top:14px;color:var(--ink-500);font-size:16px;}

/* ---------- 参数对照表 ---------- */
.compare-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.compare-scroll{width:100%;}
table.compare-table{width:100%;border-collapse:collapse;font-size:15px;background:var(--surface);}
table.compare-table thead th{
  background:var(--grad-deep);color:#EAF2EE;
  font-weight:700;font-size:14px;letter-spacing:.04em;text-align:left;
  padding:18px 22px;white-space:nowrap;
}
table.compare-table thead th:first-child{border-top-left-radius:0;}
table.compare-table tbody td{
  padding:18px 22px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink-700);
}
table.compare-table tbody tr:nth-child(even){background:#FCF9F4;}
table.compare-table tbody tr:hover{background:var(--surface-2);}
table.compare-table tbody td:first-child{font-weight:700;color:var(--ink-900);}
.tag{
  display:inline-block;padding:3px 11px;border-radius:999px;font-size:12.5px;font-weight:700;line-height:1.6;
}
.tag-green{background:rgba(20,224,163,.16);color:#0B7C5B;}
.tag-orange{background:rgba(255,90,31,.14);color:var(--brand-600);}
.tag-grey{background:var(--surface-2);color:var(--ink-500);}
.tag-dark{background:var(--ink-900);color:var(--lime);}

/* ---------- 功能卡矩阵 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feature-card{
  position:relative;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:30px 26px 28px;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  overflow:hidden;
}
.feature-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:var(--grad-brand);opacity:0;transition:opacity .2s var(--ease);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#EADFCC;}
.feature-card:hover::before{opacity:1;}
.icon-ring{
  width:56px;height:56px;border-radius:50%;
  border:1.5px solid var(--brand-400);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-600);font-size:20px;margin-bottom:20px;
  background:radial-gradient(circle at 30% 20%,rgba(255,138,61,.14),transparent 70%);
}
.feature-card h3{font-size:19px;margin-bottom:10px;}
.feature-card p{font-size:15px;color:var(--ink-500);margin-bottom:14px;}
.feature-card ul{margin-top:12px;}
.feature-card li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-700);margin-bottom:8px;
}
.feature-card li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:3px;background:var(--grad-brand);
}

/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-2);}
.split-media img{width:100%;border-radius:0;aspect-ratio:4/3;object-fit:cover;}
.split-media .media-tag{
  position:absolute;left:18px;bottom:18px;
  background:rgba(14,42,34,.86);color:#fff;
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;
  backdrop-filter:blur(4px);
}
.split-body h2{font-size:clamp(24px,3vw,34px);margin-bottom:18px;}
.check-list li{
  position:relative;padding-left:34px;margin-bottom:14px;font-size:15.5px;color:var(--ink-700);
}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:50%;
  background:var(--grad-brand);color:#fff;font-size:11px;
  display:flex;align-items:center;justify-content:center;
}
.split-body .btn{margin-top:12px;}

/* ---------- 紧凑步骤条 ---------- */
.step-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.step-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px 22px;position:relative;transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step-item::after{
  content:"";position:absolute;right:-11px;top:50%;width:12px;height:2px;background:var(--line);
}
.step-item:last-child::after{display:none;}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:var(--radius-sm);
  background:var(--surface-2);color:var(--ink-900);
  font-family:var(--font-num);font-weight:700;font-size:15px;margin-bottom:14px;
}
.step-item.is-active .step-num{background:var(--grad-brand);color:#fff;}
.step-item h4{font-size:16px;margin-bottom:8px;}
.step-item p{font-size:14px;color:var(--ink-500);margin:0;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  position:relative;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--grad-brand);opacity:0;transition:opacity .2s var(--ease);
}
.faq-item.is-open{border-color:#EADFCC;box-shadow:var(--shadow-1);}
.faq-item.is-open::before{opacity:1;}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:22px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink-900);line-height:1.6;
}
.faq-q i{
  flex:0 0 24px;height:24px;border-radius:50%;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--ink-700);
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.faq-item.is-open .faq-q i{background:var(--grad-brand);color:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a-inner{padding:0 24px 24px;font-size:15px;color:var(--ink-500);}
.faq-a-inner p{margin:0;}

/* ---------- CTA 带 ---------- */
.cta-band{position:relative;background:var(--grad-deep);border-radius:var(--radius-lg);overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;right:-6%;top:-60%;width:46%;height:220%;
  background:var(--grad-brand);filter:blur(80px);opacity:.32;transform:rotate(10deg);
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:44px 46px;
}
.cta-left h2{color:#fff;font-size:clamp(22px,2.6vw,32px);margin-bottom:8px;}
.cta-left p{color:#A9C0B7;font-size:15px;margin:0;max-width:560px;}
.cta-right{display:flex;flex-wrap:wrap;gap:14px;flex-shrink:0;}
.cta-countdown{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-num);font-weight:700;font-size:22px;color:var(--lime);
  background:rgba(200,241,53,.1);border:1px solid rgba(200,241,53,.3);
  padding:10px 18px;border-radius:999px;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--grad-deep);color:#A9C0B7;margin-top:96px;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:#6E887D;}
.footer-note{font-size:14px;color:#9FB6AD;max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;letter-spacing:.04em;margin-bottom:18px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:#A9C0B7;font-size:14.5px;position:relative;}
.footer-col ul a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;
  background:var(--lime);transition:width .2s var(--ease);
}
.footer-col ul a:hover{color:var(--lime);}
.footer-col ul a:hover::after{width:100%;}
.footer-col p{font-size:14px;color:#9FB6AD;margin-bottom:10px;max-width:320px;}
.footer-col p a{color:var(--lime);}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:#7E968D;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .grid-container{max-width:960px;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .step-bar{grid-template-columns:repeat(2,1fr);}
  .step-item:nth-child(2)::after{display:none;}
}
@media (max-width:1023px){
  .nav-list{gap:2px;}
  .nav-list a{padding:8px 12px;font-size:14px;}
  .brand-sub{display:none;}
  .section{padding:72px 0;}
  .split{grid-template-columns:1fr;gap:32px;}
  .badge-strip-inner{grid-template-columns:repeat(2,1fr);gap:20px;}
  .data-badge:nth-child(3){border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .topbar-note{display:none;}
  .topbar-inner{justify-content:center;}
  .nav-inner{min-height:64px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-list{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--surface);border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-2);
    max-height:0;overflow:hidden;transition:max-height .28s var(--ease);
  }
  .main-nav.is-open .nav-list{max-height:340px;}
  .nav-list a{
    border-radius:0;padding:0 20px;height:52px;font-size:15px;
    border-bottom:1px solid var(--line);
  }
  .nav-list a.is-active{background:var(--surface-2);}
  .nav-actions .btn-sm{display:none;}
  .banner-inner{padding:48px 0 44px;}
  .banner-actions .btn{width:100%;}
  .badge-strip{margin-top:-26px;}
  .badge-strip-inner{grid-template-columns:1fr 1fr;padding:22px 20px;border-radius:var(--radius-md);}
  .data-badge{border-left:0;padding-left:0;}
  .data-badge .num{font-size:24px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .section-head{margin-bottom:26px;}
  .feature-grid{grid-template-columns:1fr;gap:18px;}
  .step-bar{grid-template-columns:1fr;}
  .step-item::after{display:none!important;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:32px 24px;}
  .cta-right{width:100%;}
  .cta-right .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .site-footer{margin-top:56px;padding-top:48px;}

  /* 表格降级为堆叠卡片 */
  table.compare-table thead{display:none;}
  table.compare-table,table.compare-table tbody,table.compare-table tr,table.compare-table td{display:block;width:100%;}
  table.compare-table tbody tr{
    border:1px solid var(--line);border-radius:var(--radius-md);
    margin:0 0 14px;padding:8px 4px;background:var(--surface)!important;
  }
  table.compare-table tbody td{
    border-bottom:1px dashed var(--line);padding:12px 16px;font-size:14.5px;
  }
  table.compare-table tbody td:last-child{border-bottom:0;}
  table.compare-table tbody td::before{
    content:attr(data-label);
    display:block;font-size:12px;letter-spacing:.08em;color:var(--ink-300);
    font-weight:700;margin-bottom:4px;
  }
}
@media (max-width:520px){
  .brand-name{font-size:15px;}
  .data-badge .num{font-size:21px;}
  .data-badge .label{font-size:12px;}
  .feature-card{padding:24px 20px;}
  .faq-q{padding:18px;font-size:15px;}
  .faq-a-inner{padding:0 18px 20px;}
}

/* roulang page: category3 */
:root{
  --brand-500:#FF5A1F;
  --brand-600:#E8450C;
  --brand-400:#FF8A3D;
  --ink-900:#0E2A22;
  --ink-700:#1F3D33;
  --ink-500:#4A635A;
  --ink-300:#93A79F;
  --lime:#C8F135;
  --mint:#14E0A3;
  --bg:#FBF6EE;
  --surface:#FFFFFF;
  --surface-2:#F3EDE3;
  --line:#E6DDD0;
  --urgent:#E6173A;
  --grad-brand:linear-gradient(120deg,#FF5A1F 0%,#FF8A3D 45%,#FFC93C 100%);
  --grad-deep:linear-gradient(160deg,#0E2A22 0%,#123A2E 100%);
  --font-num:"Barlow","DIN Alternate",-apple-system,sans-serif;
  --shadow-s:0 8px 24px rgba(14,42,34,.08);
  --shadow-h:0 18px 44px rgba(14,42,34,.14);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --ease:200ms cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:800;line-height:1.25;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;}
.grid-container{max-width:1200px;width:100%;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-deep{background:var(--grad-deep);color:#DCE8E2;}
.section-alt{background:var(--surface-2);}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-600);
  background:rgba(255,90,31,.1);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.kicker i{font-size:12px;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:800;margin-bottom:12px;}
.section-head p{color:var(--ink-500);font-size:16px;}
.text-c{text-align:center;}
.mx-auto{margin-left:auto;margin-right:auto;}

/* ---------- 顶部条 ---------- */
.site-header{position:relative;z-index:70;}
.topbar{background:var(--grad-deep);color:#C9DBD3;font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;flex-wrap:wrap;}
.topbar-note{display:inline-flex;align-items:center;gap:8px;}
.topbar-meta{display:inline-flex;align-items:center;gap:20px;}
.topbar-meta a{color:var(--lime);font-weight:600;}
.topbar-meta a:hover{color:#fff;}

/* ---------- 主导航 ---------- */
.main-nav{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--ease);}
.main-nav.is-scrolled{box-shadow:0 6px 18px rgba(14,42,34,.06);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px;}
.brand{display:inline-flex;align-items:center;gap:12px;}
.brand-mark{
  width:38px;height:38px;border-radius:50%;
  background-image:var(--grad-brand);color:#fff;font-weight:900;font-size:18px;
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 6px 16px rgba(232,69,12,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:17px;font-weight:900;color:var(--ink-900);letter-spacing:.01em;}
.brand-sub{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-300);font-weight:600;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-list a{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;font-size:15px;font-weight:500;color:var(--ink-700);
  transition:background var(--ease),color var(--ease);
}
.nav-list a:hover{background:var(--surface-2);color:var(--ink-900);}
.nav-list a.is-active{background:var(--surface-2);color:var(--ink-900);font-weight:700;}
.nav-list a.is-active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink-900);cursor:pointer;transition:all var(--ease);
}
.nav-toggle:hover{border-color:var(--brand-400);color:var(--brand-600);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background-position var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{
  background-image:var(--grad-brand);background-size:170% 100%;background-position:0 0;
  color:#fff;box-shadow:0 8px 24px rgba(232,69,12,.22);
}
.btn-primary:hover{background-position:100% 0;transform:translateY(-2px);box-shadow:0 18px 44px rgba(232,69,12,.28);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--ink-900);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand-400);color:var(--brand-600);transform:translateY(-2px);}
.btn-urgent{background:var(--urgent);color:#fff;box-shadow:0 8px 24px rgba(230,23,58,.24);}
.btn-urgent:hover{transform:translateY(-2px);box-shadow:0 18px 44px rgba(230,23,58,.3);color:#fff;}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{display:inline-flex;align-items:center;gap:8px;color:var(--brand-600);font-weight:700;font-size:15px;}
.btn-text i{transition:transform var(--ease);}
.btn-text:hover{color:var(--brand-500);}
.btn-text:hover i{transform:translateX(4px);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13px;color:rgba(220,232,226,.7);display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:28px;}
.breadcrumb a{color:rgba(220,232,226,.8);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:#fff;font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(160deg,rgba(14,42,34,.95) 0%,rgba(18,58,46,.86) 60%,rgba(14,42,34,.92) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:88px 0 96px;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,138,61,.28) 0%,rgba(255,138,61,0) 70%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero-title{
  font-size:clamp(38px,6vw,70px);line-height:1.1;font-weight:900;color:#fff;letter-spacing:-.01em;
  margin-bottom:24px;
}
.hero-title em{font-style:normal;background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:17px;color:rgba(220,232,226,.88);max-width:640px;margin-bottom:24px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-tip{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(200,241,53,.9);}
.hero-tip i{color:var(--lime);}
.hero-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.16);
  box-shadow:0 18px 44px rgba(0,0,0,.28);background:#0b211a;
}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.hero-media figcaption{font-size:13px;color:rgba(220,232,226,.78);padding:14px 18px;background:rgba(0,0,0,.22);}

/* ---------- 数据徽章 ---------- */
.badge-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-44px;position:relative;z-index:5;}
.badge-card{
  background:var(--ink-900);border-radius:var(--r-md);padding:20px 22px;
  box-shadow:var(--shadow-s);border:1px solid rgba(255,255,255,.06);
}
.badge-card .num{font-family:var(--font-num);font-size:28px;font-weight:700;color:var(--lime);letter-spacing:-.02em;line-height:1.2;}
.badge-card .lbl{font-size:13px;color:var(--ink-300);margin-top:4px;}
.badge-row{
  display:flex;flex-wrap:wrap;gap:16px;align-items:stretch;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-s);
}
.badge-row .badge-card{background:var(--ink-900);flex:1 1 200px;}

/* ---------- 快速自查 ---------- */
.check-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.step-line{display:grid;gap:0;}
.step-line .step{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:22px 0;border-bottom:1px dashed var(--line);}
.step-line .step:last-child{border-bottom:0;}
.step-num{
  font-family:var(--font-num);font-size:34px;font-weight:700;color:transparent;
  background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;line-height:1;
}
.step h3{font-size:18px;margin-bottom:6px;}
.step p{font-size:15px;color:var(--ink-500);margin:0;}
.check-figure{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-s);border:1px solid var(--line);background:#fff;}
.check-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.check-figure figcaption{padding:16px 20px;font-size:13px;color:var(--ink-500);}

/* ---------- FAQ ---------- */
.faq-shell{max-width:860px;margin:0 auto;}
.faq-group + .faq-group{margin-top:56px;}
.faq-group-title{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:800;color:var(--ink-900);margin-bottom:22px;}
.faq-group-title::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--brand-500);box-shadow:0 0 0 6px rgba(255,90,31,.12);flex:0 0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;
  transition:box-shadow var(--ease),border-color var(--ease),transform var(--ease);
}
.faq-item:hover{box-shadow:var(--shadow-s);transform:translateY(-2px);}
.faq-item[open]{border-left-color:var(--brand-500);box-shadow:var(--shadow-s);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 58px 20px 24px;font-weight:700;color:var(--ink-900);font-size:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:700;color:var(--brand-500);line-height:1;
  transition:transform var(--ease);
}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--brand-600);}
.faq-answer{padding:0 24px 22px;font-size:15px;color:var(--ink-500);line-height:1.85;}
.faq-answer strong{color:var(--ink-900);}
.faq-empty{display:none;text-align:center;border:1px dashed var(--line);border-radius:var(--r-md);padding:32px;color:var(--ink-500);background:#fff;}
.faq-empty.is-show{display:block;}

/* ---------- 搜索 ---------- */
.faq-search{display:flex;gap:12px;max-width:560px;margin-top:20px;}
.faq-search input{
  flex:1;border:1.5px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);
  color:#fff;border-radius:999px;padding:14px 22px;font-size:15px;
}
.faq-search input::placeholder{color:rgba(220,232,226,.65);}
.faq-search input:focus{outline:none;border-color:var(--brand-400);background:rgba(255,255,255,.16);}
.faq-search button{
  border-radius:999px;border:0;padding:14px 26px;font-weight:700;color:#fff;cursor:pointer;
  background-image:var(--grad-brand);background-size:170% 100%;transition:background-position var(--ease),transform var(--ease);
}
.faq-search button:hover{background-position:100% 0;transform:translateY(-2px);}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--grad-deep);color:#fff;border-radius:var(--r-lg);padding:40px;position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;left:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(200,241,53,.22),rgba(200,241,53,0) 70%);}
.cta-band-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:8px;}
.cta-band p{color:rgba(220,232,226,.85);font-size:15px;margin:0;}

/* ---------- 表单 ---------- */
.consult-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:start;}
.point-list li{display:flex;gap:12px;padding:12px 0;font-size:15px;color:var(--ink-500);border-bottom:1px dashed var(--line);}
.point-list li:last-child{border-bottom:0;}
.point-list i{color:var(--brand-500);margin-top:5px;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow-s);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--ink-500);margin-bottom:8px;font-weight:600;}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:12px 14px;font-size:15px;background:#fff;color:var(--ink-900);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,90,31,.14);
}
.field textarea{min-height:120px;resize:vertical;}
.form-hint{font-size:12px;color:var(--ink-300);margin-top:6px;}
.form-tip{
  margin-top:16px;padding:14px 16px;border-radius:var(--r-sm);
  background:rgba(20,224,163,.1);color:#0E6B4E;font-size:14px;border:1px solid rgba(20,224,163,.35);
}
.form-tip[hidden]{display:none;}
.form-required{color:var(--urgent);margin-left:4px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--grad-deep);color:#C9DBD3;padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:#C9DBD3;font-size:14px;}
.footer-col a:hover{color:var(--lime);}
.footer-brand{display:inline-flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:var(--ink-300);}
.footer-note{font-size:14px;color:#A9C0B7;line-height:1.8;}
.footer-col p{font-size:14px;color:#A9C0B7;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA9A0;
}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(14,42,34,.45);z-index:90;}
.drawer-mask[hidden]{display:none;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(330px,88vw);z-index:95;
  background:#fff;box-shadow:-12px 0 40px rgba(14,42,34,.18);
  transform:translateX(102%);transition:transform .28s cubic-bezier(.22,.61,.36,1);
  display:flex;flex-direction:column;padding:22px;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink-900);cursor:pointer;transition:all var(--ease);
}
.drawer-close:hover{border-color:var(--brand-400);color:var(--brand-600);}
.drawer-list{flex:1;overflow-y:auto;}
.drawer-list li{border-bottom:1px solid var(--line);}
.drawer-list a{
  display:flex;align-items:center;min-height:48px;padding:0 6px;font-size:16px;color:var(--ink-700);font-weight:500;
}
.drawer-list a.is-active{color:var(--brand-600);font-weight:700;}
.drawer-list a:hover{color:var(--brand-600);}
.drawer-cta{margin-top:20px;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .grid-container{max-width:960px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .nav-list{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .badge-strip{grid-template-columns:repeat(2,1fr);margin-top:-32px;}
  .check-grid{grid-template-columns:1fr;gap:36px;}
  .consult-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:32px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .topbar-inner{justify-content:center;text-align:center;}
  .topbar-meta{gap:14px;}
  .hero-title{font-size:clamp(32px,9vw,44px);}
  .page-hero{padding:56px 0 64px;}
  .hero-actions .btn{width:100%;}
  .faq-search{flex-direction:column;}
  .faq-search button{width:100%;}
  .badge-strip{grid-template-columns:1fr 1fr;gap:12px;margin-top:-24px;}
  .badge-card .num{font-size:24px;}
  .step-line .step{grid-template-columns:48px 1fr;gap:14px;padding:18px 0;}
  .step-num{font-size:28px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .form-card{padding:22px;}
  .cta-band{padding:24px;}
  .cta-band .btn{width:100%;}
}
@media (max-width:480px){
  .badge-strip{grid-template-columns:1fr;}
  .brand-name{font-size:15px;}
}