/* roulang page: index */
:root{
  --brand:#0F9B8E;
  --brand-deep:#0A6E66;
  --brand-soft:#E4F5F2;
  --accent:#F2814B;
  --accent-soft:#FDEDE3;
  --bg:#F6F7F5;
  --card:#FFFFFF;
  --ink:#0B1F1D;
  --text:#16211F;
  --text-2:#5A6764;
  --text-3:#8B9694;
  --line:#E3E7E3;
  --divider:#EDF0ED;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(16,33,31,.04), 0 8px 24px rgba(16,33,31,.06);
  --shadow-2:0 12px 32px rgba(16,33,31,.10);
  --grad:linear-gradient(135deg,#0F9B8E 0%,#46C3B4 55%,#F2A65A 100%);
  --grad-soft:linear-gradient(135deg,rgba(15,155,142,.16),rgba(242,166,90,.18));
  --font:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid rgba(15,155,142,.45);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-size:15px;font-weight:600;line-height:1;
  padding:15px 28px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(15,155,142,.26)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(15,155,142,.34);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(15,155,142,.24)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.7);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
.btn-outline{border:1.5px solid var(--brand);color:var(--brand-deep);background:#fff}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-1px)}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-deep);font-weight:600;font-size:14px;position:relative}
.text-link .arrow{transition:transform .22s ease}
.text-link:hover .arrow{transform:translateX(4px)}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--brand);transition:width .28s ease;
}
.text-link:hover::after{width:100%}

/* ---------- 通用排版 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-deep);background:var(--brand-soft);
  border-radius:999px;padding:7px 16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.section{padding:104px 0}
.section-tint{background:#fff}
.section-dark{background:var(--ink);color:#F6F7F5}
.section-head{max-width:760px;margin-bottom:56px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:600;line-height:1.35;margin:18px 0 14px}
.section-head p{color:var(--text-2);font-size:16px}
.section-dark .section-head p{color:rgba(246,247,245,.72)}
.section-dark .eyebrow{background:rgba(255,255,255,.1);color:#7FE0D4}
.section-dark .eyebrow::before{background:#7FE0D4}
.dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block;flex:none}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
  border-bottom:1px solid transparent;
}
.site-header .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:80px}
.logo{display:flex;flex-direction:column;gap:1px;line-height:1.2}
.logo-main{font-size:20px;font-weight:700;letter-spacing:.04em;color:#fff;transition:color .2s ease}
.logo-sub{font-size:11px;letter-spacing:.16em;color:rgba(255,255,255,.7);transition:color .2s ease}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-link{
  font-size:15px;font-weight:500;color:rgba(255,255,255,.88);position:relative;padding:6px 0;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:18px}
.nav-actions .btn{padding:12px 22px;font-size:14px}
.site-header.is-scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(16,33,31,.02),0 8px 24px rgba(16,33,31,.05)}
.site-header.is-scrolled .logo-main{color:var(--text)}
.site-header.is-scrolled .logo-sub{color:var(--text-3)}
.site-header.is-scrolled .nav-link{color:var(--text-2)}
.site-header.is-scrolled .nav-link:hover{color:var(--text)}
.site-header.is-scrolled .btn-primary{box-shadow:0 6px 18px rgba(15,155,142,.22)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:#fff;transition:background .2s ease}
.site-header.is-scrolled .nav-toggle span{background:var(--text)}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:78vw;max-width:340px;z-index:120;
  background:#fff;padding:26px 24px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(105%);transition:transform .3s ease;box-shadow:-20px 0 50px rgba(11,31,29,.16);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--divider)}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--text-2);font-size:16px}
.drawer-nav{display:flex;flex-direction:column;padding:14px 0 22px;border-bottom:1px solid var(--divider)}
.drawer-nav a{padding:14px 4px;font-size:16px;font-weight:500;color:var(--text);border-bottom:1px solid var(--divider)}
.drawer-nav a:last-child{border-bottom:0}
.drawer-nav a.active{color:var(--brand-deep)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.drawer-foot p{font-size:13px;color:var(--text-3);line-height:1.7}
.drawer-mask{position:fixed;inset:0;z-index:110;background:rgba(11,31,29,.45);opacity:0;pointer-events:none;transition:opacity .3s ease}
.drawer-mask.is-open{opacity:1;pointer-events:auto}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  padding:168px 0 116px;
  background:
    radial-gradient(640px 420px at 10% 16%,rgba(15,155,142,.55),transparent 62%),
    radial-gradient(560px 420px at 90% 8%,rgba(242,129,75,.38),transparent 64%),
    linear-gradient(158deg,#0B1F1D 0%,#0A3A35 46%,#0F9B8E 132%);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.26;
}
.hero::after{
  content:"";position:absolute;right:-140px;bottom:-160px;width:620px;height:620px;border-radius:50%;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 0 0 60px rgba(255,255,255,.03),0 0 0 140px rgba(255,255,255,.02);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{
  font-size:clamp(28px,4.2vw,46px);
  font-weight:700;line-height:1.25;letter-spacing:-.01em;
  margin:22px 0 18px;
}
.hero-sub{font-size:17px;color:rgba(246,247,245,.82);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-badges{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:44px;max-width:580px}
.stat-badge{
  position:relative;background:#fff;color:var(--text);
  border-radius:16px;padding:16px 18px 14px;overflow:hidden;
  box-shadow:0 10px 30px rgba(6,26,24,.22);
}
.stat-badge::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.stat-num{font-size:26px;font-weight:700;line-height:1.2;color:var(--brand-deep);font-variant-numeric:tabular-nums}
.stat-num small{font-size:14px;font-weight:600;margin-left:2px}
.stat-label{font-size:13px;color:var(--text-2);line-height:1.6;margin-top:2px}
.hero-visual{position:relative}
.hero-visual::before{
  content:"";position:absolute;inset:16px -16px -16px 16px;border-radius:28px;
  background:linear-gradient(135deg,rgba(70,195,180,.85),rgba(242,166,90,.8));
  filter:blur(1px);
}
.hero-visual img{
  position:relative;border-radius:24px;width:100%;aspect-ratio:4/3;object-fit:cover;
  box-shadow:0 28px 60px rgba(3,20,18,.45);
}
.hero-visual figcaption{
  position:relative;margin-top:14px;font-size:13px;color:rgba(246,247,245,.7);
}

/* ---------- 卖点区 ---------- */
.features-grid{display:grid;grid-template-columns:330px 1fr;gap:64px;align-items:start}
.features-aside{position:sticky;top:112px}
.features-aside h2{font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.35;margin:18px 0 14px}
.features-aside p{color:var(--text-2);font-size:15px}
.aside-link{margin-top:22px;display:inline-flex}
.feature-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding-bottom:32px}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-card:nth-child(even){transform:translateY(30px)}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6E6E2}
.feature-card:nth-child(even):hover{transform:translateY(26px)}
.feature-icon{
  width:44px;height:44px;border-radius:14px;background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;margin-bottom:18px;
}
.feature-card h3{font-size:18px;font-weight:600;margin-bottom:10px;line-height:1.5}
.feature-card p{font-size:14.5px;color:var(--text-2);line-height:1.8}

/* ---------- 流程演示 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px 22px;box-shadow:var(--shadow-1);position:relative;
}
.step-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:var(--grad);color:#fff;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2);line-height:1.75}
.demo-shot{
  margin-top:40px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-1);
}
.demo-shot img{width:100%;aspect-ratio:16/8;object-fit:cover}
.demo-shot figcaption{
  padding:16px 24px;font-size:13.5px;color:var(--text-2);border-top:1px solid var(--divider);
}

/* ---------- 证据区 ---------- */
.proof-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:48px}
.proof-stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px 24px;box-shadow:var(--shadow-1);
}
.proof-stat .stat-num{font-size:32px}
.proof-stat .stat-label{font-size:14px;color:var(--text-2);margin-top:6px}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:18px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.quote-card p{font-size:15px;line-height:1.85;color:var(--text)}
.quote-author{display:flex;align-items:center;gap:12px;margin-top:auto}
.quote-avatar{
  width:38px;height:38px;border-radius:50%;background:var(--grad-soft);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:var(--brand-deep);
}
.quote-name{font-size:14px;font-weight:600}
.quote-role{font-size:12.5px;color:var(--text-3)}

/* ---------- 内容列表 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.news-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;margin-top:44px}
.news-col{display:grid;gap:24px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .28s ease,box-shadow .28s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.news-thumb{display:block;overflow:hidden;background:linear-gradient(180deg,#EEF1EE,#E3E7E3)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-card--lead{flex-direction:row}
.news-card--lead .news-thumb{flex:1 1 46%;min-height:260px}
.news-card--lead .news-thumb img{aspect-ratio:16/11;height:100%}
.news-card--lead .news-body{flex:1 1 54%;padding:30px 28px;display:flex;flex-direction:column;gap:12px}
.news-card--mini .news-thumb img{aspect-ratio:16/10}
.news-card--mini .news-body{padding:22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.tag{
  display:inline-flex;align-items:center;align-self:flex-start;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  color:var(--brand-deep);background:var(--brand-soft);border-radius:999px;padding:5px 13px;
}
.tag-alt{color:#B4552A;background:var(--accent-soft)}
.news-card h3{font-size:19px;font-weight:600;line-height:1.5}
.news-card--mini h3{font-size:16.5px}
.news-card h3 a{transition:color .2s ease}
.news-card:hover h3 a{color:var(--brand-deep)}
.news-summary{font-size:14px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-top:auto;padding-top:6px;flex-wrap:wrap}
.empty-state{
  margin-top:44px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg);
  padding:56px 24px;text-align:center;
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand-deep);font-size:22px;
}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:16px}

/* ---------- 服务档位 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px 30px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:20px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.price-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.price-card--featured{
  border:2px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  box-shadow:0 18px 44px rgba(15,155,142,.16);
  transform:scale(1.02);
}
.price-card--featured:hover{transform:scale(1.02) translateY(-3px)}
.price-badge{
  align-self:flex-start;font-size:12.5px;font-weight:600;letter-spacing:.04em;
  color:#fff;background:var(--grad);border-radius:999px;padding:5px 14px;
}
.price-name{font-size:19px;font-weight:600}
.price-desc{font-size:14px;color:var(--text-2)}
.price-amount{font-size:34px;font-weight:700;color:var(--brand-deep);font-variant-numeric:tabular-nums;line-height:1.1}
.price-amount small{font-size:14px;font-weight:500;color:var(--text-3);margin-left:6px}
.price-list{display:flex;flex-direction:column;gap:12px;font-size:14.5px;color:var(--text-2)}
.price-list li{display:flex;gap:10px;align-items:flex-start;line-height:1.7}
.price-list li::before{
  content:"";flex:none;width:16px;height:16px;margin-top:5px;border-radius:50%;
  background:var(--brand-soft);
  box-shadow:inset 0 0 0 4px #fff, inset 0 0 0 14px var(--brand);
}
.price-card .btn{margin-top:auto}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:18px;padding:24px 4px;text-align:left;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-deep)}
.faq-num{font-size:14px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;flex:none}
.faq-text{font-size:16.5px;font-weight:600;line-height:1.6}
.faq-icon{
  margin-left:auto;flex:none;width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  position:relative;transition:transform .28s ease,border-color .28s ease,background .28s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--text-2);border-radius:2px;
  transform:translate(-50%,-50%);transition:background .28s ease;
}
.faq-icon::before{width:12px;height:1.6px}
.faq-icon::after{width:1.6px;height:12px}
.faq-item.open .faq-icon{transform:rotate(180deg);border-color:var(--brand);background:var(--brand-soft)}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:var(--brand-deep)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a-inner{padding:0 4px 26px 32px;color:var(--text-2);font-size:15px;line-height:1.85}

/* ---------- 尾部 CTA ---------- */
.cta-band{
  border-radius:var(--radius-lg);padding:64px 56px;position:relative;overflow:hidden;
  background:radial-gradient(520px 320px at 88% 12%,rgba(15,155,142,.5),transparent 62%),
             radial-gradient(420px 300px at 4% 92%,rgba(242,129,75,.34),transparent 62%),
             linear-gradient(150deg,#0B1F1D,#0A3A35 68%,#0F9B8E 150%);
  color:#fff;
}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);font-weight:600;line-height:1.35;margin:16px 0 12px}
.cta-band p{color:rgba(246,247,245,.78);font-size:16px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.cta-band .eyebrow{background:rgba(255,255,255,.1);color:#7FE0D4}
.cta-band .eyebrow::before{background:#7FE0D4}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#F6F7F5;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-main{color:#fff;font-size:19px}
.footer-brand .logo-sub{color:rgba(246,247,245,.55)}
.footer-brand p{margin-top:16px;font-size:14px;color:rgba(246,247,245,.68);line-height:1.8;max-width:320px}
.footer-col h4{font-size:14px;font-weight:600;letter-spacing:.06em;color:rgba(246,247,245,.9);margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(246,247,245,.68);transition:color .2s ease}
.footer-col a:hover{color:#7FE0D4}
.footer-col p{font-size:14px;color:rgba(246,247,245,.68);line-height:1.8}
.footer-bottom{
  border-top:1px solid rgba(246,247,245,.12);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(246,247,245,.5);
}
.footer-bottom a{color:rgba(246,247,245,.62)}
.footer-bottom a:hover{color:#7FE0D4}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:32px;bottom:32px;z-index:90;
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 26px;border-radius:999px;background:var(--grad);color:#fff;
  font-size:15px;font-weight:600;line-height:1;
  box-shadow:0 10px 30px rgba(15,155,142,.28);
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,box-shadow .2s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{box-shadow:0 16px 36px rgba(15,155,142,.36);transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px}
  .hero-grid{gap:40px}
  .features-grid{grid-template-columns:290px 1fr;gap:44px}
}
@media (max-width:1023px){
  .nav-menu,.nav-actions .btn-outline{display:none}
  .nav-toggle{display:flex}
  .nav-actions .btn{padding:12px 20px}
  .hero{padding:140px 0 88px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{max-width:560px}
  .hero-badges{max-width:100%}
  .section{padding:72px 0}
  .features-grid{grid-template-columns:1fr;gap:32px}
  .features-aside{position:static}
  .feature-card:nth-child(even){transform:none}
  .feature-card:nth-child(even):hover{transform:translateY(-4px)}
  .steps{grid-template-columns:1fr 1fr}
  .proof-stats{grid-template-columns:1fr 1fr}
  .quote-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-card--lead{flex-direction:column}
  .news-card--lead .news-thumb{min-height:0}
  .price-grid{grid-template-columns:1fr 1fr}
  .price-card--featured{transform:none}
  .price-card--featured:hover{transform:translateY(-3px)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:52px 36px}
}
@media (max-width:767px){
  body{padding-bottom:74px}
  .container{padding:0 20px}
  .site-header .nav-inner{height:68px}
  .logo-main{font-size:18px}
  .logo-sub{font-size:10px;letter-spacing:.12em}
  .nav-actions .btn{display:none}
  .hero{padding:120px 0 68px}
  .hero h1{font-size:clamp(25px,6.4vw,34px)}
  .hero-sub{font-size:15.5px}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .hero-badges{grid-template-columns:1fr 1fr;gap:12px;margin-top:34px}
  .stat-num{font-size:22px}
  .section{padding:56px 0}
  .section-head{margin-bottom:36px}
  .feature-cards{grid-template-columns:1fr;gap:16px}
  .steps{grid-template-columns:1fr}
  .proof-stats{grid-template-columns:1fr 1fr;gap:14px}
  .proof-stat{padding:20px 18px}
  .proof-stat .stat-num{font-size:26px}
  .price-grid{grid-template-columns:1fr}
  .news-card--lead .news-body{padding:24px 22px}
  .faq-a-inner{padding-left:4px}
  .cta-band{padding:40px 24px;border-radius:20px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .float-cta{
    left:16px;right:16px;bottom:14px;border-radius:999px;justify-content:center;
    padding:16px 20px;
  }
}
@media (max-width:480px){
  .hero-badges{grid-template-columns:1fr 1fr}
  .proof-stats{grid-template-columns:1fr 1fr}
  .news-summary{-webkit-line-clamp:2}
}

/* roulang page: article */
:root{
  --brand:#0F9B8E;
  --brand-dark:#0A6E66;
  --brand-light:#E4F5F2;
  --accent:#F2814B;
  --accent-light:#FDEDE3;
  --bg:#F6F7F5;
  --card:#FFFFFF;
  --deep:#0B1F1D;
  --deep-2:#12302C;
  --ink:#16211F;
  --ink-2:#5A6764;
  --ink-3:#8B9694;
  --border:#E3E7E3;
  --line:#EDF0ED;
  --grad:linear-gradient(135deg,#0F9B8E 0%,#46C3B4 52%,#F2A65A 100%);
  --grad-soft:linear-gradient(135deg,rgba(15,155,142,.12) 0%,rgba(70,195,180,.10) 52%,rgba(242,166,90,.12) 100%);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(16,33,31,.04), 0 8px 24px rgba(16,33,31,.06);
  --sh-2:0 12px 32px rgba(16,33,31,.10);
  --sh-cta:0 10px 30px rgba(15,155,142,.28);
  --container:1200px;
  --gap:24px;
}

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

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

body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}

::selection{background:rgba(15,155,142,.18);}

:focus-visible{
  outline:2px solid rgba(15,155,142,.55);
  outline-offset:2px;
  border-radius:6px;
}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(10px);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--border);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:76px;
}

.logo{
  display:flex;
  flex-direction:column;
  line-height:1.15;
  flex-shrink:0;
}
.logo-main{
  font-size:20px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--ink);
}
.logo-sub{
  font-size:11px;
  letter-spacing:.16em;
  color:var(--ink-3);
  margin-top:2px;
}

.nav-menu{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
  justify-content:center;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  border-radius:999px;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--brand-dark);background:var(--brand-light);}
.nav-link.active{color:var(--brand-dark);}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}

.header-actions{
  display:flex;
  align-items:center;
  gap:16px;
  flex-shrink:0;
}
.link-quiet{
  font-size:14px;
  color:var(--ink-2);
  transition:color .2s ease;
}
.link-quiet:hover{color:var(--brand-dark);}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--border);
  background:#fff;
  border-radius:12px;
  cursor:pointer;
  padding:11px 10px;
  flex-direction:column;
  justify-content:space-between;
}
.nav-toggle span{
  display:block;
  height:2px;
  border-radius:2px;
  background:var(--ink);
}
.nav-toggle span:nth-child(2){width:70%;}

.nav-drawer{
  position:fixed;
  top:0;
  right:0;
  width:78vw;
  max-width:340px;
  height:100%;
  background:#fff;
  border-left:1px solid var(--border);
  transform:translateX(102%);
  transition:transform .3s ease;
  z-index:80;
  padding:28px 24px 40px;
  display:flex;
  flex-direction:column;
  gap:4px;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer .drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
  margin-bottom:12px;
}
.nav-drawer .drawer-close{
  width:36px;
  height:36px;
  border:1px solid var(--border);
  background:#fff;
  border-radius:10px;
  font-size:18px;
  line-height:1;
  color:var(--ink-2);
  cursor:pointer;
}
.nav-drawer a{
  padding:14px 4px;
  font-size:16px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.nav-drawer a:last-of-type{border-bottom:0;}
.nav-drawer .btn{margin-top:22px;width:100%;text-align:center;}

.nav-mask{
  position:fixed;
  inset:0;
  background:rgba(11,31,29,.42);
  opacity:0;
  pointer-events:none;
  transition:opacity .3s ease;
  z-index:70;
}
.nav-mask.is-open{opacity:1;pointer-events:auto;}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  padding:14px 26px;
  border-radius:999px;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:var(--sh-cta);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 34px rgba(15,155,142,.34);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0);filter:brightness(.98);}

.btn-ghost{
  background:transparent;
  border-color:var(--brand);
  color:var(--brand-dark);
}
.btn-ghost:hover{background:var(--brand-light);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}

.btn-light{
  background:rgba(255,255,255,.14);
  border-color:rgba(255,255,255,.42);
  color:#fff;
}
.btn-light:hover{background:rgba(255,255,255,.22);transform:translateY(-1px);}

.btn-sm{padding:11px 20px;font-size:14px;}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand-dark);
  position:relative;
}
.text-link svg{transition:transform .2s ease;}
.text-link:hover svg{transform:translateX(4px);}
.text-link::after{
  content:"";
  position:absolute;
  left:0;
  right:24px;
  bottom:-3px;
  height:1.5px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
}
.text-link:hover::after{transform:scaleX(1);}

/* ============ Article Hero ============ */
.article-hero{
  position:relative;
  overflow:hidden;
  background:var(--grad);
  color:#fff;
  padding:56px 0 96px;
}
.article-hero::before,
.article-hero::after{
  content:"";
  position:absolute;
  border-radius:50%;
  pointer-events:none;
}
.article-hero::before{
  width:460px;
  height:460px;
  right:-140px;
  top:-180px;
  background:radial-gradient(circle,rgba(255,255,255,.22) 0%,rgba(255,255,255,0) 68%);
}
.article-hero::after{
  width:380px;
  height:380px;
  left:-120px;
  bottom:-200px;
  background:radial-gradient(circle,rgba(242,129,75,.30) 0%,rgba(242,129,75,0) 70%);
}
.article-hero .container{position:relative;z-index:2;}

.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.82);
  margin-bottom:26px;
}
.breadcrumb a{color:rgba(255,255,255,.92);transition:color .2s ease;}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{
  color:rgba(255,255,255,.74);
  max-width:46ch;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.02em;
  padding:7px 15px;
  border-radius:999px;
  background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.34);
  color:#fff;
  backdrop-filter:blur(2px);
}
.hero-tag .dot-live{
  width:7px;
  height:7px;
  border-radius:50%;
  background:#fff;
  box-shadow:0 0 0 4px rgba(255,255,255,.22);
}

.article-title{
  font-size:clamp(26px,3.6vw,42px);
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.01em;
  margin:22px 0 20px;
  max-width:24ch;
}

.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  font-size:13.5px;
  color:rgba(255,255,255,.88);
}
.article-meta .dot{
  width:4px;
  height:4px;
  border-radius:50%;
  background:rgba(255,255,255,.6);
}

/* ============ Article Shell ============ */
.article-shell{
  margin-top:-60px;
  position:relative;
  z-index:5;
  padding-bottom:88px;
}

.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 288px;
  gap:32px;
  align-items:start;
}

.article-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  padding:48px 56px 56px;
}

.article-cover{
  border-radius:var(--r-lg);
  overflow:hidden;
  margin-bottom:36px;
  background:#EDF2F0;
  aspect-ratio:16/9;
}
.article-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.article-content{
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  max-width:74ch;
}
.article-content > *:first-child{margin-top:0;}
.article-content h2{
  font-size:clamp(21px,2.4vw,28px);
  line-height:1.4;
  font-weight:600;
  color:var(--ink);
  margin:2.2em 0 .8em;
  padding-left:16px;
  border-left:4px solid var(--brand);
}
.article-content h3{
  font-size:19px;
  line-height:1.5;
  font-weight:600;
  color:var(--brand-dark);
  margin:1.9em 0 .7em;
}
.article-content h4{
  font-size:17px;
  font-weight:600;
  margin:1.6em 0 .6em;
}
.article-content p{margin:1.05em 0;}
.article-content ul,
.article-content ol{margin:1.05em 0;padding-left:1.5em;}
.article-content ul li{list-style:disc;margin:.5em 0;}
.article-content ol li{list-style:decimal;margin:.5em 0;}
.article-content ul li::marker{color:var(--brand);}
.article-content ol li::marker{color:var(--brand);font-weight:600;}
.article-content strong{font-weight:600;color:var(--brand-dark);}
.article-content a{
  color:var(--brand-dark);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
  transition:color .2s ease;
}
.article-content a:hover{color:var(--accent);}
.article-content blockquote{
  margin:1.7em 0;
  padding:20px 24px;
  background:var(--brand-light);
  border-left:4px solid var(--brand);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--brand-dark);
}
.article-content blockquote p{margin:.4em 0;}
.article-content img{
  border-radius:16px;
  margin:1.7em auto;
  box-shadow:var(--sh-1);
}
.article-content figure{margin:1.7em 0;}
.article-content figcaption{
  font-size:13px;
  color:var(--ink-3);
  text-align:center;
  margin-top:10px;
}
.article-content hr{
  border:0;
  border-top:1px solid var(--line);
  margin:2.4em 0;
}
.article-content code{
  background:#EEF2F0;
  padding:2px 6px;
  border-radius:6px;
  font-size:14px;
  color:var(--brand-dark);
}
.article-content pre{
  background:var(--deep);
  color:#D6E7E4;
  padding:18px 20px;
  border-radius:var(--r-md);
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
  margin:1.7em 0;
}
.article-content pre code{background:transparent;color:inherit;padding:0;}
.article-content table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  overflow:hidden;
  font-size:14.5px;
  margin:1.7em 0;
}
.article-content th,
.article-content td{
  padding:12px 16px;
  text-align:left;
  border-bottom:1px solid var(--line);
}
.article-content th{
  background:var(--brand-light);
  color:var(--brand-dark);
  font-weight:600;
}
.article-content tr:last-child td{border-bottom:0;}

.empty-state{
  padding:56px 24px;
  text-align:center;
  border:1px dashed var(--border);
  border-radius:var(--r-lg);
  background:var(--bg);
}
.empty-state h2{
  font-size:22px;
  font-weight:600;
  margin-bottom:10px;
}
.empty-state p{
  color:var(--ink-2);
  font-size:15px;
  margin-bottom:24px;
}

/* ============ Sidebar ============ */
.article-aside{
  position:sticky;
  top:100px;
  display:flex;
  flex-direction:column;
  gap:20px;
}

.side-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:22px 22px 24px;
}
.side-card h3{
  font-size:15px;
  font-weight:600;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--brand);
}
.side-list li{
  padding:11px 0;
  border-bottom:1px solid var(--line);
  font-size:14.5px;
  color:var(--ink-2);
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list .idx{
  font-size:12px;
  font-weight:700;
  color:var(--brand);
  line-height:1.6;
  flex-shrink:0;
  font-variant-numeric:tabular-nums;
}
.side-list a{transition:color .2s ease;}
.side-list a:hover{color:var(--brand-dark);}

.side-dark{
  background:var(--deep);
  border-color:var(--deep);
  color:#DCE9E6;
  background-image:radial-gradient(circle at 100% 0,rgba(70,195,180,.28) 0%,rgba(70,195,180,0) 62%);
}
.side-dark h3{color:#fff;}
.side-dark p{font-size:14px;color:rgba(220,233,230,.78);line-height:1.8;margin-bottom:16px;}
.side-dark .btn{width:100%;}

/* ============ Back Row ============ */
.back-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
  margin-top:40px;
  padding-top:28px;
  border-top:1px solid var(--line);
}

/* ============ Related ============ */
.related-section{
  padding:8px 0 88px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.35;
  font-weight:600;
}
.section-head p{
  font-size:15px;
  color:var(--ink-2);
  margin-top:8px;
  max-width:56ch;
}

.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.related-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.related-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:rgba(15,155,142,.32);
}
.related-thumb{
  aspect-ratio:16/10;
  overflow:hidden;
  background:#EDF2F0;
}
.related-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease-out;
}
.related-card:hover .related-thumb img{transform:scale(1.03);}
.related-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.tag{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  font-size:12.5px;
  letter-spacing:.02em;
  padding:4px 11px;
  border-radius:999px;
  background:var(--brand-light);
  color:var(--brand-dark);
  font-weight:500;
}
.tag-accent{background:var(--accent-light);color:#B8562A;}
.related-body h3{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  transition:color .2s ease;
}
.related-card:hover .related-body h3{color:var(--brand-dark);}
.related-body p{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.75;
  flex:1;
}
.related-foot{
  font-size:13px;
  color:var(--ink-3);
  display:flex;
  align-items:center;
  gap:8px;
}
.related-foot .dot{
  width:3px;
  height:3px;
  border-radius:50%;
  background:var(--ink-3);
}

/* ============ CTA ============ */
.cta-section{
  padding:0 0 96px;
}
.cta-panel{
  position:relative;
  overflow:hidden;
  background:var(--deep);
  border-radius:var(--r-xl);
  padding:64px 56px;
  color:#fff;
  background-image:radial-gradient(circle at 88% 12%,rgba(70,195,180,.30) 0%,rgba(70,195,180,0) 58%),
                   radial-gradient(circle at 6% 92%,rgba(242,129,75,.26) 0%,rgba(242,129,75,0) 60%);
}
.cta-panel h2{
  font-size:clamp(22px,2.8vw,32px);
  line-height:1.35;
  font-weight:600;
  max-width:22ch;
}
.cta-panel p{
  margin-top:14px;
  font-size:15.5px;
  color:rgba(220,233,230,.80);
  max-width:56ch;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.cta-stats{
  display:flex;
  flex-wrap:wrap;
  gap:36px;
  margin-top:44px;
  padding-top:28px;
  border-top:1px solid rgba(255,255,255,.12);
}
.cta-stat strong{
  display:block;
  font-size:28px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.cta-stat span{
  font-size:13px;
  color:rgba(220,233,230,.66);
}

/* ============ Footer ============ */
.site-footer{
  background:var(--deep);
  color:#DCE9E6;
  padding:64px 0 28px;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand .logo-main{color:#fff;}
.footer-brand .logo-sub{color:rgba(220,233,230,.55);}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.8;
  color:rgba(220,233,230,.68);
  max-width:34ch;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:12px;}
.footer-col a{
  font-size:14px;
  color:rgba(220,233,230,.72);
  transition:color .2s ease;
}
.footer-col a:hover{color:#fff;}
.footer-col p{
  font-size:14px;
  line-height:1.8;
  color:rgba(220,233,230,.68);
  margin-bottom:12px;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:24px;
  font-size:13px;
  color:rgba(220,233,230,.50);
}

/* ============ Float CTA ============ */
.float-cta{
  position:fixed;
  right:32px;
  bottom:32px;
  z-index:60;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:15px 26px;
  min-height:44px;
  border-radius:999px;
  background:var(--grad);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:var(--sh-cta);
  opacity:0;
  transform:translateY(14px);
  pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,box-shadow .25s ease;
}
.float-cta.is-visible{
  opacity:1;
  transform:translateY(0);
  pointer-events:auto;
}
.float-cta:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(15,155,142,.36);}

/* ============ Responsive ============ */
@media (max-width:1180px){
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:24px;}
  .article-card{padding:40px 40px 46px;}
}

@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-menu{display:none;}
  .header-actions .link-quiet{display:none;}
  .nav-toggle{display:flex;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-aside .side-card{flex:1 1 300px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}

@media (max-width:768px){
  .container{padding:0 20px;}
  .header-inner{min-height:68px;}
  .header-actions .btn{display:none;}
  .article-hero{padding:40px 0 84px;}
  .article-title{max-width:none;}
  .article-card{padding:30px 22px 36px;border-radius:var(--r-lg);}
  .article-shell{padding-bottom:64px;}
  .article-content{font-size:16px;}
  .article-content table{display:block;overflow-x:auto;white-space:nowrap;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .related-section{padding-bottom:64px;}
  .cta-section{padding-bottom:64px;}
  .cta-panel{padding:44px 24px;}
  .cta-stats{gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .float-cta{
    right:0;
    left:0;
    bottom:0;
    border-radius:0;
    justify-content:center;
    padding:16px 20px calc(16px + env(safe-area-inset-bottom));
  }
  .float-cta.is-visible{transform:translateY(0);}
  body{padding-bottom:0;}
  .article-shell{padding-bottom:88px;}
}

@media (max-width:520px){
  .article-hero{padding:32px 0 76px;}
  .article-meta{font-size:13px;gap:9px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-actions .btn{width:100%;}
  .back-row .btn{width:100%;}
  .cta-stat strong{font-size:24px;}
}

/* roulang page: category1 */
:root{
  --brand:#0F9B8E;
  --brand-deep:#0A6E66;
  --brand-soft:#E4F5F2;
  --brand-glow:#46C3B4;
  --accent:#F2814B;
  --accent-soft:#FDEDE3;
  --bg:#F6F7F5;
  --card:#FFFFFF;
  --ink:#0B1F1D;
  --ink-2:#122B28;
  --text:#16211F;
  --text-2:#5A6764;
  --text-3:#8B9694;
  --border:#E3E7E3;
  --line:#EDF0ED;
  --warn:#D99A2B;
  --error:#D64545;
  --grad:linear-gradient(135deg,#0F9B8E 0%,#46C3B4 52%,#F2A65A 100%);
  --grad-soft:linear-gradient(135deg,rgba(15,155,142,.16),rgba(242,129,75,.16));
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow-1:0 1px 2px rgba(16,33,31,.04),0 8px 24px rgba(16,33,31,.06);
  --shadow-2:0 12px 32px rgba(16,33,31,.10);
  --shadow-cta:0 10px 30px rgba(15,155,142,.28);
  --sp:8px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md)}
a{color:var(--brand-deep);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:600;line-height:1.4}
p{margin:0 0 16px}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(15,155,142,.5);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:100px 0}
.section-tight{padding:72px 0}
.sec-head{max-width:720px;margin-bottom:48px}
.sec-eyebrow{display:inline-block;font-size:13px;letter-spacing:.08em;color:var(--brand-deep);background:var(--brand-soft);border-radius:999px;padding:4px 14px;margin-bottom:16px}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:600;line-height:1.35;margin-bottom:14px}
.sec-head p{color:var(--text-2);font-size:15px;line-height:1.8;margin:0}

/* ---------- 顶部导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80;transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;background:transparent;border-bottom:1px solid transparent}
.site-header .header-inner{display:flex;align-items:center;gap:24px;height:76px}
.logo{display:inline-flex;flex-direction:column;line-height:1.12;text-decoration:none}
.logo-main{font-size:20px;font-weight:700;letter-spacing:.02em;color:#F6F7F5;transition:color .2s ease}
.logo-sub{font-size:11px;letter-spacing:.16em;color:rgba(246,247,245,.72);transition:color .2s ease}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{position:relative;font-size:15px;font-weight:500;color:rgba(246,247,245,.86);padding:6px 2px;transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--brand-glow);transform:scaleX(0);transform-origin:left;transition:transform .24s ease}
.nav-link:hover{color:#fff}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:#fff}
.header-actions{display:flex;align-items:center;gap:18px}
.header-ghost{font-size:14px;color:rgba(246,247,245,.78)}
.header-ghost:hover{color:#fff}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--grad);color:#fff;font-size:14px;font-weight:600;
  padding:10px 20px;border-radius:999px;box-shadow:var(--shadow-cta);
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
}
.header-cta:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 34px rgba(15,155,142,.34)}
.site-header.is-scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom-color:var(--border);box-shadow:0 4px 20px rgba(16,33,31,.05)}
.site-header.is-scrolled .logo-main{color:var(--ink)}
.site-header.is-scrolled .logo-sub{color:var(--text-3)}
.site-header.is-scrolled .nav-link{color:var(--text-2)}
.site-header.is-scrolled .nav-link:hover,.site-header.is-scrolled .nav-link.active{color:var(--ink)}
.site-header.is-scrolled .header-ghost{color:var(--text-2)}
.site-header.is-scrolled .header-ghost:hover{color:var(--brand-deep)}
.nav-toggle{display:none;background:none;border:0;padding:8px;color:rgba(246,247,245,.9)}
.site-header.is-scrolled .nav-toggle{color:var(--ink)}
.nav-toggle span{display:block;width:22px;height:2px;border-radius:2px;background:currentColor;margin:4px 0}
.nav-toggle span:last-child{width:14px}
.nav-overlay{position:fixed;inset:0;background:rgba(11,31,29,.45);opacity:0;visibility:hidden;transition:.24s ease;z-index:70}
.nav-overlay.open{opacity:1;visibility:visible}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#F6F7F5;padding:150px 0 76px}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.34}
.hero-veil{position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,31,29,.94) 0%,rgba(11,31,29,.72) 45%,rgba(10,110,102,.58) 100%)}
.hero-glow{position:absolute;border-radius:50%;filter:blur(60px);pointer-events:none}
.hero-glow.g1{width:420px;height:420px;background:rgba(15,155,142,.36);top:-120px;right:-60px}
.hero-glow.g2{width:360px;height:360px;background:rgba(242,129,75,.26);bottom:-140px;left:-80px}
.hero-inner{position:relative;z-index:2;max-width:840px}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(246,247,245,.66);margin-bottom:22px}
.crumb a{color:rgba(246,247,245,.82)}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.5}
.crumb .current{color:rgba(246,247,245,.6)}
.hero h1{font-size:clamp(28px,4.2vw,46px);line-height:1.25;font-weight:700;letter-spacing:-.01em;color:#fff;margin-bottom:18px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#7FE3D8,#F2A65A);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:17px;line-height:1.8;color:rgba(246,247,245,.82);max-width:640px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.chip{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(246,247,245,.86);background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:6px 15px}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-glow)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;border-radius:999px;padding:13px 28px;border:1.5px solid transparent;transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,filter .2s ease;text-align:center;line-height:1.4}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-cta)}
.btn-primary:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 34px rgba(15,155,142,.34)}
.btn-ghost-light{border-color:rgba(246,247,245,.45);color:#F6F7F5;background:transparent}
.btn-ghost-light:hover{background:rgba(246,247,245,.12);color:#fff;transform:translateY(-1px)}
.btn-outline{border-color:rgba(15,155,142,.55);color:var(--brand-deep);background:transparent}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-deep);position:relative}
.link-arrow span.arrow{transition:transform .2s ease}
.link-arrow::after{content:"";position:absolute;left:0;bottom:-2px;height:1.5px;width:100%;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .24s ease}
.link-arrow:hover::after{transform:scaleX(1)}
.link-arrow:hover span.arrow{transform:translateX(4px)}

/* ---------- 主区 + 粘性目录 ---------- */
.layout{display:grid;grid-template-columns:240px 1fr;gap:56px;align-items:start}
.toc{position:sticky;top:104px}
.toc-title{font-size:13px;letter-spacing:.1em;color:var(--text-3);margin-bottom:16px}
.toc ul{border-left:1px solid var(--border)}
.toc li a{display:block;position:relative;padding:10px 0 10px 18px;font-size:14px;color:var(--text-2)}
.toc li a::before{content:"";position:absolute;left:-1px;top:50%;transform:translateY(-50%) scaleY(0);width:2px;height:20px;border-radius:2px;background:var(--brand);transition:transform .2s ease}
.toc li a:hover{color:var(--brand-deep)}
.toc li a.active{color:var(--brand-deep);font-weight:600}
.toc li a.active::before{transform:translateY(-50%) scaleY(1)}
.toc-card{margin-top:28px;background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow-1)}
.toc-card p{font-size:13px;line-height:1.7;color:var(--text-2);margin:0 0 14px}
.toc-card .btn{width:100%;padding:11px 18px;font-size:14px}

.article-body{max-width:780px}
.article-body > h2{font-size:clamp(22px,2.6vw,32px);font-weight:600;line-height:1.35;margin:0 0 18px;scroll-margin-top:110px}
.article-body > h3{font-size:19px;font-weight:600;margin:36px 0 14px;scroll-margin-top:110px}
.article-body p{color:var(--text-2);font-size:16px;line-height:1.85}
.lead-strong{color:var(--text);font-size:17px}
.article-media{margin:28px 0 34px}
.article-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--shadow-1)}
.article-media figcaption{font-size:13px;color:var(--text-3);margin-top:10px}
.callout{border-left:3px solid var(--brand);background:var(--brand-soft);border-radius:0 var(--r-sm) var(--r-sm) 0;padding:18px 22px;margin:26px 0;color:#0A5751;font-size:15px;line-height:1.8}
.callout strong{color:#08403C}

/* ---------- 步骤条 ---------- */
.steps{margin:34px 0 10px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:22px 20px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(15,155,142,.35)}
.step::before{content:"";position:absolute;left:20px;top:0;width:40px;height:3px;border-radius:0 0 3px 3px;background:var(--grad)}
.step-no{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-deep);font-variant-numeric:tabular-nums}
.step h4{font-size:16px;font-weight:600;margin:8px 0 8px}
.step p{font-size:13.5px;line-height:1.75;color:var(--text-2);margin:0}

/* ---------- 要点卡（交错双栏） ---------- */
.points{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.point{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease}
.point:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.point.offset{margin-top:30px}
.point-icon{width:40px;height:40px;border-radius:12px;background:var(--grad-soft);border:1px solid rgba(15,155,142,.20);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:var(--brand-deep);margin-bottom:16px;font-variant-numeric:tabular-nums}
.point h3{font-size:18px;font-weight:600;margin-bottom:10px}
.point p{font-size:14.5px;line-height:1.8;color:var(--text-2);margin:0}
.point ul{margin-top:14px}
.point ul li{position:relative;padding-left:18px;font-size:14px;line-height:1.8;color:var(--text-2)}
.point ul li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--brand-glow)}

/* ---------- 场景 / 数据条 ---------- */
.scene-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:stretch}
.scene-main{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column}
.scene-main img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.scene-main .body{padding:26px 26px 30px}
.scene-main h3{font-size:19px;margin-bottom:10px}
.scene-main p{font-size:14.5px;line-height:1.8;color:var(--text-2);margin:0}
.scene-side{display:grid;gap:18px}
.scene-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:22px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.scene-card h3{font-size:16px;margin-bottom:8px}
.scene-card p{font-size:14px;line-height:1.75;color:var(--text-2);margin:0}
.tag{display:inline-block;font-size:13px;letter-spacing:.02em;color:var(--brand-deep);background:var(--brand-soft);border-radius:999px;padding:4px 12px;margin-bottom:14px}
.tag.warm{color:#B65A2A;background:var(--accent-soft)}

/* ---------- 异常对照 ---------- */
.issue-list{border-top:1px solid var(--line)}
.issue{display:grid;grid-template-columns:1fr 1.2fr;gap:28px;padding:24px 4px;border-bottom:1px solid var(--line);transition:background .2s ease}
.issue:hover{background:#fff}
.issue-q{display:flex;gap:14px;align-items:flex-start}
.issue-q .dot{flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:11px}
.issue-q h3{font-size:16.5px;font-weight:600}
.issue-a{font-size:14.5px;line-height:1.85;color:var(--text-2)}

/* ---------- 数据徽章 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:12px}
.stat{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:24px 22px;box-shadow:var(--shadow-1);overflow:hidden}
.stat::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--grad)}
.stat-num{font-size:32px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-num span{font-size:60%;color:var(--text-3);font-weight:600;margin-left:2px}
.stat-label{font-size:13.5px;color:var(--text-2);margin-top:6px}

/* ---------- FAQ ---------- */
.faq{max-width:860px}
.faq-item{border-bottom:1px solid var(--line);background:#fff}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;background:none;border:0;text-align:left;padding:22px 22px;color:var(--text);transition:background .2s ease}
.faq-q:hover{background:var(--brand-soft)}
.faq-q .num{font-size:13px;font-weight:700;color:var(--brand-deep);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.faq-q .q-text{flex:1;font-size:16.5px;font-weight:600;line-height:1.55}
.faq-q .sign{flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--border);position:relative;transition:transform .24s ease,border-color .24s ease,background .24s ease}
.faq-q .sign::before,.faq-q .sign::after{content:"";position:absolute;background:var(--brand-deep);border-radius:2px;left:50%;top:50%;transform:translate(-50%,-50%)}
.faq-q .sign::before{width:12px;height:1.6px}
.faq-q .sign::after{width:1.6px;height:12px;transition:opacity .2s ease}
.faq-item.open .faq-q{background:var(--brand-soft)}
.faq-item.open .faq-q .sign{transform:rotate(180deg);border-color:rgba(15,155,142,.4);background:#fff}
.faq-item.open .faq-q .sign::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a-inner{padding:2px 22px 24px 60px;font-size:14.5px;line-height:1.85;color:var(--text-2);background:#fff}
.faq-item.open .faq-a-inner{background:#FAFCFB}

/* ---------- 尾部 CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#F6F7F5;padding:88px 0}
.cta-band .glow{position:absolute;width:460px;height:460px;border-radius:50%;background:rgba(15,155,142,.28);filter:blur(70px);top:-160px;right:-80px}
.cta-band .glow.b{background:rgba(242,129,75,.20);bottom:-200px;left:-100px;top:auto}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:44px;align-items:center}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.cta-inner p{color:rgba(246,247,245,.78);font-size:15px;margin:0}
.cta-actions{display:flex;flex-direction:column;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(246,247,245,.78);padding:72px 0 32px;border-top:1px solid rgba(246,247,245,.10)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-main{color:#F6F7F5;font-size:20px}
.footer-brand .logo-sub{color:rgba(246,247,245,.6)}
.footer-brand p{font-size:13.5px;line-height:1.8;color:rgba(246,247,245,.62);margin:18px 0 0;max-width:300px}
.footer-col h4{font-size:14px;color:#F6F7F5;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:13.5px;color:rgba(246,247,245,.72)}
.footer-col a:hover{color:#fff}
.footer-col p{font-size:13.5px;line-height:1.8;color:rgba(246,247,245,.62);margin:0 0 10px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:52px;padding-top:22px;border-top:1px solid rgba(246,247,245,.12);font-size:13px;color:rgba(246,247,245,.5)}

/* ---------- 浮动 CTA ---------- */
.float-cta{position:fixed;right:28px;bottom:28px;z-index:60;display:inline-flex;align-items:center;gap:10px;background:var(--grad);color:#fff;font-size:14px;font-weight:600;padding:14px 22px;border-radius:999px;box-shadow:var(--shadow-cta);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .28s ease,transform .28s ease,visibility .28s ease}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{color:#fff;filter:brightness(1.06)}
.float-cta .ic{width:18px;height:18px;border-radius:50%;background:rgba(255,255,255,.24);display:flex;align-items:center;justify-content:center;font-size:11px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 28px}
  .layout{grid-template-columns:210px 1fr;gap:40px}
}
@media (max-width:1023px){
  .nav-toggle{display:block;margin-left:auto}
  .header-actions{display:none}
  .nav-menu{
    position:fixed;top:0;right:0;height:100vh;width:78vw;max-width:340px;
    background:#FFFFFF;flex-direction:column;align-items:flex-start;gap:4px;
    padding:96px 26px 32px;transform:translateX(102%);transition:transform .28s ease;
    box-shadow:-12px 0 40px rgba(11,31,29,.16);z-index:75;margin-left:0;
  }
  .nav-menu.open{transform:translateX(0)}
  .nav-link{color:var(--text-2);width:100%;padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--brand-deep);font-weight:600}
  .hero{padding:132px 0 64px}
  .layout{grid-template-columns:1fr;gap:32px}
  .toc{position:static;order:2}
  .toc ul{display:flex;flex-wrap:wrap;gap:10px;border-left:0}
  .toc li a{padding:8px 14px;background:#fff;border:1px solid var(--border);border-radius:999px}
  .toc li a::before{display:none}
  .toc li a.active{border-color:rgba(15,155,142,.4);background:var(--brand-soft)}
  .toc-card{display:none}
  .steps{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .site-header .header-inner{height:66px}
  .hero{padding:118px 0 52px}
  .hero-lead{font-size:15.5px}
  .points{grid-template-columns:1fr;gap:18px}
  .point.offset{margin-top:0}
  .steps{grid-template-columns:1fr}
  .issue{grid-template-columns:1fr;gap:10px;padding:20px 0}
  .faq-a-inner{padding:2px 20px 22px 20px}
  .faq-q{padding:18px 16px;gap:12px}
  .float-cta{right:0;left:0;bottom:0;justify-content:center;border-radius:0;padding:16px 20px;transform:translateY(100%);box-shadow:0 -6px 24px rgba(11,31,29,.18)}
  .float-cta.show{transform:translateY(0)}
  body{padding-bottom:0}
  .main-wrap{padding-bottom:72px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .hero h1{font-size:26px}
  .btn{width:100%;padding:14px 20px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .stats{grid-template-columns:1fr 1fr;gap:14px}
  .stat-num{font-size:26px}
  .sec-head{margin-bottom:34px}
  .article-media img{aspect-ratio:4/3}
}

/* roulang page: category2 */
:root{
  --c-primary:#0F9B8E;
  --c-primary-dark:#0A6E66;
  --c-primary-light:#E4F5F2;
  --c-accent:#F2814B;
  --c-accent-light:#FDEDE3;
  --c-bg:#F6F7F5;
  --c-surface:#FFFFFF;
  --c-ink:#0B1F1D;
  --c-border:#E3E7E3;
  --c-line:#EDF0ED;
  --c-text:#16211F;
  --c-text-2:#5A6764;
  --c-text-3:#8B9694;
  --c-invert:#F6F7F5;
  --grad-brand:linear-gradient(135deg,#0F9B8E 0%,#46C3B4 52%,#F2A65A 100%);
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(16,33,31,.04),0 8px 24px rgba(16,33,31,.06);
  --shadow-2:0 12px 32px rgba(16,33,31,.10);
  --shadow-cta:0 10px 30px rgba(15,155,142,.28);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-primary-dark);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(15,155,142,.55);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:76px;display:flex;align-items:center;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--c-border);
  box-shadow:0 1px 2px rgba(16,33,31,.04);
}
.header-inner{display:flex;align-items:center;gap:36px;width:100%}
.logo{display:flex;flex-direction:column;line-height:1.1;color:#fff;flex:0 0 auto}
.logo-main{font-size:20px;font-weight:700;letter-spacing:.04em}
.logo-sub{font-size:11px;font-weight:400;letter-spacing:.16em;color:rgba(255,255,255,.76);margin-top:3px}
.site-header.is-scrolled .logo{color:var(--c-text)}
.site-header.is-scrolled .logo-sub{color:var(--c-text-3)}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{
  position:relative;font-size:15px;font-weight:500;
  color:rgba(255,255,255,.86);padding:6px 2px;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover,.nav-link.active{color:#fff}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.site-header.is-scrolled .nav-link{color:var(--c-text-2)}
.site-header.is-scrolled .nav-link:hover,
.site-header.is-scrolled .nav-link.active{color:var(--c-primary-dark)}
.header-actions{display:flex;align-items:center;gap:20px;flex:0 0 auto}
.header-actions .text-link{font-size:14px;color:rgba(255,255,255,.8)}
.header-actions .text-link:hover{color:#fff}
.site-header.is-scrolled .header-actions .text-link{color:var(--c-text-2)}
.site-header.is-scrolled .header-actions .text-link:hover{color:var(--c-primary-dark)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;flex:0 0 auto;
}
.nav-toggle span{display:block;width:20px;height:1.6px;background:#fff;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:1.6px;background:#fff;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-header.is-scrolled .nav-toggle span,
.site-header.is-scrolled .nav-toggle span::before,
.site-header.is-scrolled .nav-toggle span::after{background:var(--c-text)}

.drawer{
  position:fixed;top:0;right:0;bottom:0;width:78vw;max-width:340px;z-index:95;
  background:#fff;border-left:1px solid var(--c-border);
  padding:24px 24px 40px;display:flex;flex-direction:column;
  transform:translateX(102%);transition:transform .3s ease;
  box-shadow:-16px 0 40px rgba(16,33,31,.12);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.drawer-title{font-size:13px;letter-spacing:.12em;color:var(--c-text-3)}
.drawer-close{width:40px;height:40px;border-radius:10px;font-size:22px;line-height:1;color:var(--c-text-2)}
.drawer-close:hover{background:var(--c-primary-light);color:var(--c-primary-dark)}
.drawer-nav{display:flex;flex-direction:column;margin-top:16px}
.drawer-nav a{
  padding:15px 2px;font-size:16px;font-weight:500;color:var(--c-text);
  border-bottom:1px solid var(--c-line);
}
.drawer-nav a.active{color:var(--c-primary-dark)}
.drawer-nav a:hover{color:var(--c-primary)}
.drawer-foot{margin-top:auto;font-size:13px;color:var(--c-text-3);line-height:1.7}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,31,29,.42);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ============ Banner ============ */
.page-banner{
  position:relative;overflow:hidden;
  padding:168px 0 76px;
  background:
    linear-gradient(135deg,rgba(11,31,29,.90) 0%,rgba(10,110,102,.84) 48%,rgba(242,129,75,.70) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat,
    var(--grad-brand);
  color:var(--c-invert);
}
.page-banner::after{
  content:"";position:absolute;right:-140px;bottom:-180px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(70,195,180,.28) 0%,rgba(70,195,180,0) 70%);
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(246,247,245,.66);margin-bottom:22px}
.breadcrumb a{color:rgba(246,247,245,.82)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:rgba(246,247,245,.62)}
.page-banner h1{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.25;font-weight:700;letter-spacing:-.01em;
  max-width:860px;color:#fff;
}
.banner-lead{
  margin-top:20px;max-width:640px;
  font-size:17px;line-height:1.8;color:rgba(246,247,245,.86);
}
.banner-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.banner-meta span{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  font-size:13px;letter-spacing:.02em;color:rgba(246,247,245,.94);
}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:720px;margin-bottom:52px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--c-primary-dark);background:var(--c-primary-light);
  padding:6px 14px;border-radius:var(--radius-pill);margin-bottom:18px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);line-height:1.35;font-weight:600;
  letter-spacing:-.01em;color:var(--c-text);
}
.section-sub{margin-top:16px;font-size:16px;line-height:1.85;color:var(--c-text-2)}
.section-head.center .section-sub{max-width:620px;margin-left:auto;margin-right:auto}

/* ============ 卡片墙（两列不等宽） ============ */
.cards-wall{
  display:grid;
  grid-template-columns:minmax(0,1.58fr) minmax(0,1fr);
  gap:28px;
  align-items:start;
}
.wall-col{display:flex;flex-direction:column;gap:28px}
.card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6DEDA}
.card-media{position:relative;overflow:hidden;background:#EDF0ED}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:28px 30px 32px}
.card-tag{
  display:inline-block;font-size:13px;letter-spacing:.02em;font-weight:600;
  color:var(--c-primary-dark);background:var(--c-primary-light);
  padding:5px 13px;border-radius:var(--radius-pill);margin-bottom:16px;
}
.card-tag.accent{color:#B85A26;background:var(--c-accent-light)}
.card h3{font-size:20px;line-height:1.5;font-weight:600;margin-bottom:12px}
.card p{font-size:15px;line-height:1.85;color:var(--c-text-2)}
.card-compact .card-body{padding:26px 26px 28px}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.check-list li{
  position:relative;padding-left:26px;font-size:15px;line-height:1.75;color:var(--c-text-2);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:3px;
  background:var(--grad-brand);
}
.mini-list{margin-top:14px;border-top:1px solid var(--c-line)}
.mini-list li{
  display:flex;align-items:baseline;gap:12px;
  padding:13px 0;border-bottom:1px solid var(--c-line);
  font-size:14px;color:var(--c-text-2);
}
.mini-list li b{color:var(--c-text);font-weight:600;flex:0 0 auto;font-size:14px}
.mini-list li span{color:var(--c-text-3);font-size:13px}

/* ============ 深色状态面板 ============ */
.dark-panel{
  background:
    radial-gradient(680px 320px at 88% 0%,rgba(70,195,180,.22) 0%,rgba(70,195,180,0) 70%),
    linear-gradient(180deg,#0B1F1D 0%,#0E2A27 100%);
  border-radius:26px;
  padding:56px 56px 52px;
  color:var(--c-invert);
  box-shadow:0 24px 60px rgba(11,31,29,.22);
}
.dark-panel h2{font-size:clamp(22px,2.6vw,30px);line-height:1.4;font-weight:600;color:#fff}
.dark-panel .dark-lead{margin-top:14px;max-width:640px;font-size:15px;line-height:1.85;color:rgba(246,247,245,.74)}
.status-row{display:flex;flex-wrap:wrap;gap:14px;margin:34px 0 40px}
.status-chip{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 18px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  font-size:14px;color:rgba(246,247,245,.9);
}
.status-chip .dot{width:8px;height:8px;border-radius:50%;flex:0 0 auto}
.dot-ok{background:#46C3B4;box-shadow:0 0 0 4px rgba(70,195,180,.18)}
.dot-warn{background:#F2A65A;box-shadow:0 0 0 4px rgba(242,166,90,.18)}
.dot-idle{background:#8B9694;box-shadow:0 0 0 4px rgba(139,150,148,.16)}
.dot-accent{background:#F2814B;box-shadow:0 0 0 4px rgba(242,129,75,.18)}
.dark-rows{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:1px solid rgba(255,255,255,.12)}
.dark-row{
  padding:28px 28px 8px 0;
  border-right:1px solid rgba(255,255,255,.12);
}
.dark-row:last-child{border-right:0;padding-right:0}
.dark-row h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:10px}
.dark-row p{font-size:14px;line-height:1.85;color:rgba(246,247,245,.7)}
.dark-row .row-no{
  display:inline-block;font-size:13px;letter-spacing:.14em;
  color:#46C3B4;font-weight:600;margin-bottom:12px;
}

/* ============ 步骤条 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
  counter-reset:step;
}
.step{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-md);
  padding:26px 24px 28px;
  box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.step::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  border-radius:var(--radius-md) var(--radius-md) 0 0;background:var(--grad-brand);
  opacity:.85;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6DEDA}
.step-num{
  display:block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--c-accent);margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:10px;color:var(--c-text)}
.step p{font-size:14px;line-height:1.8;color:var(--c-text-2)}

/* ============ 数据条 ============ */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.stat{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:18px;
  padding:26px 24px;
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.stat::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-brand);
}
.stat .num{
  font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.1;
  color:var(--c-text);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat .num i{font-style:normal;font-size:60%;font-weight:600;color:var(--c-text-2);margin-left:4px}
.stat .cap{margin-top:8px;font-size:14px;color:var(--c-text-2)}

/* ============ FAQ ============ */
.faq-list{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  max-width:940px;
  margin:0 auto;
}
.faq-item + .faq-item{border-top:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:18px;
  padding:24px 28px;text-align:left;
  transition:background .2s ease;
}
.faq-q:hover{background:#FAFBFA}
.faq-num{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-primary);
  font-variant-numeric:tabular-nums;flex:0 0 auto;
}
.faq-text{flex:1 1 auto;font-size:16px;font-weight:600;line-height:1.6;color:var(--c-text)}
.faq-icon{
  position:relative;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--c-border);background:#fff;
  transition:transform .3s ease,background .3s ease,border-color .3s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary-dark);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:1.6px}
.faq-icon::after{width:1.6px;height:11px;transition:opacity .25s ease}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--c-primary-light);border-color:#BFE3DE}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{padding:0 28px 26px 62px;background:#FAFBFA;border-top:1px solid var(--c-line)}
.faq-a p{font-size:15px;line-height:1.85;color:var(--c-text-2);padding-top:18px}

/* ============ CTA ============ */
.section-cta{padding:96px 0 104px}
.cta-box{
  position:relative;overflow:hidden;
  border-radius:26px;
  padding:64px 56px;
  background:
    radial-gradient(560px 300px at 92% 10%,rgba(242,166,90,.30) 0%,rgba(242,166,90,0) 72%),
    linear-gradient(120deg,#0B1F1D 0%,#0A6E66 62%,#0F9B8E 100%);
  color:var(--c-invert);
  box-shadow:0 24px 60px rgba(11,31,29,.24);
  display:flex;flex-direction:column;gap:26px;
}
.cta-box h2{font-size:clamp(22px,2.6vw,30px);line-height:1.4;font-weight:600;color:#fff;max-width:640px}
.cta-box p{font-size:15px;line-height:1.85;color:rgba(246,247,245,.78);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:6px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  border:1.5px solid transparent;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#F2814B 0%,#F2A65A 100%);
  color:#fff;box-shadow:var(--shadow-cta);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 34px rgba(242,129,75,.34);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-outline{
  border-color:rgba(255,255,255,.5);color:#fff;background:transparent;
}
.btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.75)}
.btn-ghost{
  border-color:var(--c-primary);color:var(--c-primary-dark);background:transparent;
}
.btn-ghost:hover{background:var(--c-primary-light);color:var(--c-primary-dark)}
.btn-sm{padding:11px 22px;font-size:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-primary-dark);
}
.link-arrow svg{transition:transform .25s ease}
.link-arrow:hover svg{transform:translateX(4px)}
.link-arrow:hover{color:var(--c-primary)}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:32px;bottom:32px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:0 26px;height:54px;border-radius:var(--radius-pill);
  background:linear-gradient(135deg,#0F9B8E 0%,#46C3B4 100%);
  color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--shadow-cta);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease,box-shadow .25s ease;
}
.float-cta:hover{color:#fff;box-shadow:0 16px 38px rgba(15,155,142,.4)}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta svg{flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);
  color:rgba(246,247,245,.76);
  padding:72px 0 28px;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:20px}
.footer-brand .logo-main{color:#fff}
.footer-brand .logo-sub{color:rgba(246,247,245,.55)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(246,247,245,.62);max-width:320px}
.footer-col h4{
  font-size:14px;font-weight:600;letter-spacing:.06em;
  color:#fff;margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col li a{font-size:14px;color:rgba(246,247,245,.68)}
.footer-col li a:hover{color:#46C3B4}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(246,247,245,.6)}
.footer-col p + p{margin-top:12px}
.footer-col p a{color:rgba(246,247,245,.78)}
.footer-col p a:hover{color:#46C3B4}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(246,247,245,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 28px}
  .cards-wall{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:24px}
  .dark-panel{padding:48px 40px 44px}
}
@media (max-width:1023px){
  .nav-menu{display:none}
  .header-actions .text-link{display:none}
  .nav-toggle{display:flex}
  .section{padding:72px 0}
  .page-banner{padding:146px 0 66px}
  .cards-wall{grid-template-columns:1fr}
  .dark-rows{grid-template-columns:1fr}
  .dark-row{border-right:0;border-bottom:1px solid rgba(255,255,255,.12);padding:22px 0}
  .dark-row:last-child{border-bottom:0;padding-bottom:0}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-bar{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  body{padding-bottom:72px}
  .container{padding:0 20px}
  .site-header{height:68px}
  .logo-main{font-size:18px}
  .logo-sub{font-size:10px;letter-spacing:.12em}
  .section{padding:56px 0}
  .section-head{margin-bottom:34px}
  .page-banner{padding:126px 0 54px}
  .banner-lead{font-size:15px}
  .dark-panel{padding:34px 24px 32px;border-radius:20px}
  .card-body{padding:22px 22px 26px}
  .faq-q{padding:20px 20px;gap:12px}
  .faq-text{font-size:15px}
  .faq-a{padding:0 20px 22px 50px}
  .cta-box{padding:40px 26px;border-radius:20px}
  .float-cta{
    right:0;left:0;bottom:0;width:100%;height:auto;
    padding:14px 20px;border-radius:0;
    justify-content:center;transform:translateY(100%);
  }
  .float-cta.is-visible{transform:translateY(0)}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:519px){
  .steps{grid-template-columns:1fr}
  .stat-bar{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .stat{padding:20px 18px}
  .btn{width:100%;padding:14px 22px}
  .cta-actions{flex-direction:column}
  .banner-meta span{font-size:12px;padding:6px 12px}
  .faq-num{display:none}
  .faq-a{padding-left:20px}
}