/* roulang page: index */
:root{
  --ink:#0D0F12;
  --ink2:#1A1E24;
  --paper:#F6F5F2;
  --brand:#12D08A;
  --brand-deep:#067A52;
  --accent:#FF6B2C;
  --accent2:#6E56F8;
  --line:#E3E1DB;
  --text:#23272E;
  --soft:#6B7280;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,15,18,.04), 0 8px 24px -12px rgba(13,15,18,.14);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.03em;line-height:1.15;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.tnum{font-family:"Inter",system-ui,sans-serif;font-variant-numeric:tabular-nums;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:72px;
  background:rgba(246,245,242,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{background:rgba(246,245,242,.96);border-bottom-color:#D6D3CB;box-shadow:0 12px 30px -24px rgba(13,15,18,.35);}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:flex;flex-direction:column;line-height:1.05;padding:6px 0;}
.brand-main{font-size:19px;font-weight:900;letter-spacing:-0.02em;color:var(--ink);}
.brand-sub{font-size:11px;letter-spacing:.16em;color:var(--soft);margin-top:3px;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;letter-spacing:.02em;color:#3A3F47;
  padding:6px 0;transition:color .2s ease;min-height:44px;display:inline-flex;align-items:center;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;background:var(--brand);
  transition:width .22s ease;
}
.nav-link:hover{color:var(--brand-deep);}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:var(--ink);font-weight:700;}
.nav-link.active::after{width:100%;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--brand);color:#06251A;font-size:15px;font-weight:700;
  border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 0 32px -8px rgba(18,208,138,.7);background:#0FBE7F;}
.nav-cta:active{transform:translateY(0);}
.burger{
  display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.burger span{display:block;width:22px;height:2px;background:var(--ink);transition:transform .25s ease,opacity .25s ease;}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.is-open span:nth-child(2){opacity:0;}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-drawer{
  position:fixed;inset:72px 0 0 0;background:var(--paper);z-index:55;
  padding:28px 24px 40px;display:flex;flex-direction:column;
  transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .26s ease,transform .26s ease;
  overflow-y:auto;
}
.mobile-drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.mobile-drawer a.d-item{
  font-size:24px;font-weight:500;padding:18px 0;border-bottom:1px solid var(--line);
  opacity:0;transform:translateY(8px);transition:opacity .3s ease,transform .3s ease;
}
.mobile-drawer.is-open a.d-item{opacity:1;transform:translateY(0);}
.mobile-drawer a.d-item.active{color:var(--brand-deep);font-weight:700;}
.drawer-cta{margin-top:28px;}
.drawer-cta a{width:100%;}

/* ---------- Hero ---------- */
.hero{
  position:relative;margin-top:72px;background:var(--ink);color:#fff;
  min-height:78vh;display:flex;align-items:center;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.5;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(13,15,18,.94) 0%,rgba(13,15,18,.82) 46%,rgba(13,15,18,.55) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;padding:96px 0 72px;}
.pill-tag{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:var(--r-pill);
  border:1px solid rgba(18,208,138,.42);background:rgba(18,208,138,.1);
  font-size:13px;letter-spacing:.06em;color:#8DF2C9;
}
.pill-dot{width:6px;height:6px;border-radius:50%;background:var(--brand);}
.hero h1{
  font-size:clamp(40px,6vw,84px);font-weight:900;letter-spacing:-0.035em;line-height:1.06;
  margin:26px 0 0;color:#fff;
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.75;color:rgba(255,255,255,.72);max-width:520px;}
.hero-rule{height:1px;background:rgba(255,255,255,.16);margin:42px 0 34px;position:relative;}
.hero-rule::before{content:"";position:absolute;left:0;top:-1px;width:96px;height:3px;background:var(--brand);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:52px;padding:0 30px;border-radius:var(--r-pill);
  font-size:16px;font-weight:700;letter-spacing:.01em;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--brand);color:#06251A;}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px -6px rgba(18,208,138,.65);background:#0FBE7F;}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#fff;}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#2A1002;}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 10px 34px -10px rgba(255,107,44,.8);}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-block{width:100%;}
.hero-visual{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(18,208,138,.28);
  box-shadow:0 0 46px -14px rgba(18,208,138,.4);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.trust-bar{margin-top:52px;display:flex;flex-wrap:wrap;gap:0;}
.trust-item{padding:0 30px;border-left:1px solid rgba(255,255,255,.14);}
.trust-item:first-child{padding-left:0;border-left:0;}
.trust-num{font-size:30px;font-weight:800;color:#fff;letter-spacing:-0.02em;}
.trust-label{margin-top:6px;font-size:13px;color:rgba(255,255,255,.55);letter-spacing:.04em;}

/* ---------- 通用区块 ---------- */
.section{padding:112px 0;}
.section-dark{background:var(--ink);color:#fff;position:relative;overflow:hidden;}
.section-dark::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:72px 72px;pointer-events:none;
}
.section-dark > .container{position:relative;z-index:1;}
.sec-label{font-size:13px;letter-spacing:.18em;color:var(--brand-deep);font-weight:700;}
.section-dark .sec-label{color:var(--brand);}
.sec-title{font-size:clamp(26px,3.2vw,44px);margin-top:14px;font-weight:900;}
.sec-desc{margin-top:16px;color:var(--soft);font-size:16px;line-height:1.8;max-width:680px;}
.section-dark .sec-desc{color:rgba(255,255,255,.62);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.link-more{font-size:14px;font-weight:600;color:var(--brand-deep);border-bottom:1px solid rgba(6,122,82,.3);padding-bottom:3px;transition:border-color .2s ease,color .2s ease;}
.link-more:hover{border-color:var(--brand-deep);}

/* ---------- 阶梯 ---------- */
.ladder{position:relative;margin-top:64px;padding-left:2px;}
.ladder-line{position:absolute;left:0;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--brand),var(--accent) 70%,var(--accent2));border-radius:2px;}
.ladder-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:end;}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:28px 24px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--sh-1);}
.step.s1{min-height:120px;}
.step.s2{min-height:162px;}
.step.s3{min-height:204px;}
.step.s4{min-height:246px;}
.step-no{font-size:40px;font-weight:900;color:var(--line);letter-spacing:-0.04em;line-height:1;}
.step:hover .step-no{color:var(--brand);}
.step-title{margin-top:16px;font-size:19px;font-weight:800;color:var(--ink);}
.step-text{margin-top:10px;font-size:14px;line-height:1.75;color:var(--soft);}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.chip{
  font-size:12px;letter-spacing:.04em;padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--soft);background:var(--paper);
}
.chip-brand{border-color:rgba(18,208,138,.4);color:var(--brand-deep);background:rgba(18,208,138,.08);}
.chip-accent{border-color:rgba(255,107,44,.4);color:#B84514;background:rgba(255,107,44,.08);}

/* ---------- 对比 ---------- */
.compare{display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:24px;margin-top:60px;align-items:start;}
.plan{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 28px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.plan:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--sh-1);}
.plan-featured{
  background:var(--ink2);color:#fff;border:1px solid rgba(18,208,138,.34);
  box-shadow:0 0 44px -14px rgba(18,208,138,.42);
}
.plan-featured .plan-name,.plan-featured .pv-value{color:#fff;}
.plan-featured .pv-label,.plan-featured .plan-note{color:rgba(255,255,255,.58);}
.plan-featured .pv-row{border-color:rgba(255,255,255,.1);}
.plan-tag{
  display:inline-flex;align-items:center;font-size:12px;letter-spacing:.1em;
  padding:5px 13px;border-radius:var(--r-pill);background:var(--brand);color:#06251A;font-weight:700;
}
.plan-name{margin-top:18px;font-size:23px;font-weight:900;color:var(--ink);}
.plan-note{margin-top:8px;font-size:13px;color:var(--soft);}
.pv-list{margin-top:24px;}
.pv-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid var(--line);}
.pv-label{font-size:13px;color:var(--soft);letter-spacing:.03em;}
.pv-value{font-size:16px;font-weight:700;color:var(--ink);text-align:right;}
.plan .btn{margin-top:26px;}

/* ---------- 限时入口 ---------- */
.flash{
  position:relative;background:var(--ink);color:#fff;padding:76px 0;overflow:hidden;
  border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08);
}
.flash::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 26px);
  pointer-events:none;
}
.flash-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.countdown{display:flex;align-items:flex-end;gap:12px;}
.cd-cell{min-width:78px;text-align:center;}
.cd-num{
  font-size:48px;font-weight:800;line-height:1;letter-spacing:-0.03em;color:#fff;
  transition:opacity .2s ease,transform .2s ease;
}
.cd-num.flip{opacity:.45;transform:translateY(-2px);}
.cd-cap{margin-top:8px;font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.5);}
.cd-sep{font-size:34px;font-weight:800;color:rgba(255,255,255,.28);padding-bottom:22px;}
.flash-note{max-width:420px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.66);}
.flash-note strong{color:var(--brand);font-weight:700;}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:52px;}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--sh-1);}
.news-thumb{overflow:hidden;aspect-ratio:16/10;background:#EDEBE6;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.22,.61,.36,1);}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.news-title{margin-top:14px;font-size:19px;font-weight:800;color:var(--ink);line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-sum{margin-top:12px;font-size:14px;line-height:1.75;color:var(--soft);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;padding-top:20px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--soft);letter-spacing:.03em;}
.news-foot span.read{color:var(--brand-deep);font-weight:700;}
.news-card:hover .news-foot span.read{color:var(--brand);}
.empty-box{
  margin-top:52px;border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:64px 24px;text-align:center;background:#fff;
}
.empty-box p{color:var(--soft);font-size:16px;}
.empty-box a{display:inline-block;margin-top:16px;font-size:14px;font-weight:700;color:var(--brand-deep);border-bottom:1px solid rgba(6,122,82,.3);}

/* ---------- 图文 ---------- */
.feature-row{display:grid;grid-template-columns:5fr 6fr;gap:80px;align-items:center;padding:44px 0;border-bottom:1px solid var(--line);}
.feature-row:last-child{border-bottom:0;}
.feature-row.reverse .feature-media{order:2;}
.feature-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.feature-no{font-size:13px;letter-spacing:.18em;color:var(--accent);font-weight:700;}
.feature-title{margin-top:14px;font-size:clamp(22px,2.4vw,32px);font-weight:900;color:var(--ink);}
.feature-text{margin-top:16px;font-size:16px;line-height:1.85;color:var(--soft);}
.bullet-list{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.bullet-list li{position:relative;padding-left:18px;font-size:15px;color:#3A3F47;}
.bullet-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;background:var(--brand);border-radius:1px;}
.section-dark .bullet-list li{color:rgba(255,255,255,.78);}

/* ---------- FAQ ---------- */
.faq-wrap{margin-top:48px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:26px 0;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:18px;font-weight:600;color:var(--ink);letter-spacing:-0.01em;min-height:44px;
}
.faq-q:hover{color:var(--brand-deep);}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .24s ease;
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--soft);transition:background .24s ease;}
.faq-icon::before{left:0;top:10px;width:22px;height:1.5px;}
.faq-icon::after{left:10px;top:0;width:1.5px;height:22px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s cubic-bezier(.22,.61,.36,1);}
.faq-a p{padding:0 0 26px;font-size:16px;line-height:1.85;color:var(--soft);max-width:840px;}

/* ---------- 表单 ---------- */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start;}
.info-list{margin-top:32px;border-top:1px solid var(--line);}
.info-list li{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid var(--line);font-size:15px;}
.info-list li span:first-child{color:var(--soft);font-size:14px;letter-spacing:.04em;}
.info-list li span:last-child{font-weight:600;color:var(--ink);}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:38px;box-shadow:var(--sh-1);}
.field{position:relative;padding-top:22px;margin-bottom:26px;}
.field label{
  position:absolute;left:0;top:0;font-size:13px;letter-spacing:.06em;color:var(--soft);
}
.field input,.field select,.field textarea{
  width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;
  padding:12px 0 12px 0;font-size:16px;outline:none;transition:border-color .2s ease,padding .2s ease;
  border-radius:0;appearance:none;
}
.field textarea{resize:vertical;min-height:96px;line-height:1.7;}
.field select{cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,var(--soft) 50%),linear-gradient(135deg,var(--soft) 50%,transparent 50%);background-position:calc(100% - 12px) 22px,calc(100% - 6px) 22px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--brand);transition:width .24s ease;}
.field:focus-within::after{width:100%;}
.field:focus-within::before{
  content:"";position:absolute;left:-14px;bottom:6px;width:5px;height:5px;border-radius:50%;background:var(--accent2);
}
.field input:focus,.field select:focus,.field textarea:focus{border-bottom-color:var(--brand);}
.field.error input,.field.error textarea,.field.error select{border-bottom-color:var(--accent);}
.field .err{display:none;margin-top:8px;font-size:13px;color:#C2410C;}
.field.error .err{display:block;}
.check{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:var(--soft);line-height:1.7;margin-bottom:26px;}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);}
.form-ok{
  border:1px solid var(--brand);border-radius:var(--r-md);padding:22px 24px;
  background:rgba(18,208,138,.07);font-size:15px;line-height:1.8;color:#084D36;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;padding:80px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:0;}
.footer-col{padding:0 32px;border-left:1px solid rgba(255,255,255,.08);}
.footer-col:first-child{padding-left:0;border-left:0;}
.footer-col:last-child{padding-right:0;}
.footer-brand-main{font-size:20px;font-weight:900;color:#fff;}
.footer-brand-sub{font-size:11px;letter-spacing:.16em;color:rgba(255,255,255,.5);margin-top:5px;}
.footer-about{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px;}
.footer-title{font-size:13px;letter-spacing:.14em;color:rgba(255,255,255,.5);}
.footer-links{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.78);transition:color .2s ease,transform .2s ease;display:inline-block;}
.footer-links a:hover{color:var(--brand);transform:translateX(2px);}
.footer-bottom{
  margin-top:64px;border-top:1px solid rgba(255,255,255,.08);
  padding:24px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .52s cubic-bezier(.22,.61,.36,1),transform .52s cubic-bezier(.22,.61,.36,1);}
.reveal.in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation:none !important;transition:none !important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links,.nav-right-desktop{display:none;}
  .burger{display:flex;}
  .ladder-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .step.s1,.step.s2,.step.s3,.step.s4{min-height:auto;}
  .compare{grid-template-columns:1fr;gap:20px;}
  .plan-featured{order:-1;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .feature-row{grid-template-columns:1fr;gap:32px;padding:36px 0;}
  .feature-row.reverse .feature-media{order:0;}
  .contact-grid{grid-template-columns:1fr;gap:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .footer-col{padding:0;border-left:0;}
  .section{padding:84px 0;}
  .hero-inner{padding:80px 0 64px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .hero{min-height:60vh;}
  .hero h1{font-size:34px;}
  .hero-sub{font-size:16px;}
  .trust-item{padding:0 18px;}
  .trust-num{font-size:24px;}
  .news-grid{grid-template-columns:1fr;}
  .flasf-inner{flex-direction:column;}
  .flash-inner{flex-direction:column;align-items:flex-start;gap:28px;}
  .cd-num{font-size:38px;}
  .cd-cell{min-width:64px;}
  .section{padding:64px 0;}
  .faq-q{font-size:16px;}
  .form-card{padding:26px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
}
@media (max-width:520px){
  .ladder-grid{grid-template-columns:1fr;}
  .hero h1{font-size:30px;}
  .step{padding:24px 20px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
}

/* roulang page: article */
:root{
  --brand:#12D08A;
  --brand-deep:#067A52;
  --accent:#FF6B2C;
  --accent2:#6E56F8;
  --ink:#0D0F12;
  --ink-2:#1A1E24;
  --paper:#F6F5F2;
  --paper-2:#EFEEE9;
  --card:#FFFFFF;
  --line:#E3E1DB;
  --text:#23272E;
  --muted:#6B7280;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,15,18,.04), 0 8px 24px -12px rgba(13,15,18,.14);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --num:"Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,transform .2s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
p{margin:0}
:focus-visible{outline:2px solid var(--accent2);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;border-radius:0 0 var(--r-sm) 0;z-index:99}
.skip-link:focus{left:0}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(246,245,242,.85);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(246,245,242,.97);
  border-color:#D7D4CC;
  box-shadow:0 1px 0 rgba(13,15,18,.04);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;flex-direction:column;line-height:1.05;flex-shrink:0}
.brand-main{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.brand-sub{font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--brand-deep);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-link{position:relative;padding:6px 0;font-size:15px;font-weight:500;letter-spacing:.02em;color:#3B4149}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand-deep)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-right-desktop{display:flex;align-items:center}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;
  border-radius:var(--r-pill);background:var(--brand);color:#06251A;
  font-size:14px;font-weight:700;letter-spacing:.02em;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{background:#0FBE7E;transform:translateY(-2px);box-shadow:0 10px 22px -10px rgba(18,208,138,.75)}
.burger{display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:var(--r-sm)}
.burger span{display:block;width:22px;height:2px;background:var(--ink);transition:transform .25s ease,opacity .2s ease}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{
  position:fixed;inset:0;z-index:65;
  background:rgba(246,245,242,.98);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  padding:104px 24px 32px;
  display:flex;flex-direction:column;gap:0;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-link{
  font-size:24px;font-weight:500;padding:16px 0;border-bottom:1px solid var(--line);
  opacity:0;transform:translateY(8px);transition:opacity .4s ease,transform .4s ease,color .2s ease;
}
.drawer-link:hover{color:var(--brand-deep)}
.mobile-drawer.is-open .drawer-link{opacity:1;transform:none}
.mobile-drawer.is-open .drawer-link:nth-child(1){transition-delay:.05s}
.mobile-drawer.is-open .drawer-link:nth-child(2){transition-delay:.09s}
.mobile-drawer.is-open .drawer-link:nth-child(3){transition-delay:.13s}
.mobile-drawer.is-open .drawer-link:nth-child(4){transition-delay:.17s}
.mobile-drawer.is-open .drawer-link:nth-child(5){transition-delay:.21s}
.drawer-cta{margin-top:28px;align-self:flex-start}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#06251A}
.btn-primary:hover{background:#0FBE7E;transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(18,208,138,.75)}
.btn-accent{background:var(--accent);color:#2A1206}
.btn-accent:hover{background:#F65C19;transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(255,107,44,.7)}
.btn-ghost{border:1px solid var(--line);background:#FFF;color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-outline-light{border:1px solid rgba(255,255,255,.28);color:#fff}
.btn-outline-light:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:13px}

/* ---------- Article hero ---------- */
.article-hero{
  padding:44px 0 56px;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--paper) 100%);
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;letter-spacing:.04em;color:var(--muted);margin-bottom:26px}
.breadcrumb a:hover{color:var(--brand-deep)}
.breadcrumb .sep{color:#C9C6BE}
.breadcrumb .current{color:#3B4149;max-width:56ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{max-width:880px}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.08em;
}
.pill-brand{background:rgba(18,208,138,.12);border:1px solid rgba(18,208,138,.3);color:var(--brand-deep)}
.article-head h1{
  margin:18px 0 0;
  font-size:clamp(28px,4vw,46px);
  font-weight:800;line-height:1.16;letter-spacing:-.03em;color:var(--ink);
}
.article-lead{margin:18px 0 0;font-size:18px;line-height:1.8;color:#4B525C;max-width:780px}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:26px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;letter-spacing:.04em;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.dot{width:4px;height:4px;border-radius:50%;background:var(--accent2)}

/* ---------- Article layout ---------- */
.article-main{padding:64px 0 88px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:64px}
.article-content{
  font-size:17px;line-height:1.95;color:#2B303A;
  max-width:780px;
}
.article-content > *:first-child{margin-top:0}
.article-content h2{
  margin:2.4em 0 0;padding-left:14px;border-left:3px solid var(--brand);
  font-size:26px;font-weight:800;line-height:1.32;letter-spacing:-.02em;color:var(--ink);
}
.article-content h3{margin:1.9em 0 0;font-size:22px;font-weight:700;line-height:1.4;letter-spacing:-.01em;color:var(--ink)}
.article-content p{margin:1.1em 0 0}
.article-content ul,.article-content ol{margin:1.1em 0 0;padding-left:0;list-style:none}
.article-content li{margin-top:.62em}
.article-content ul li{position:relative;padding-left:22px}
.article-content ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand)}
.article-content ol{counter-reset:item}
.article-content ol li{position:relative;padding-left:34px;counter-increment:item}
.article-content ol li::before{
  content:counter(item,decimal-leading-zero);position:absolute;left:0;top:.2em;
  font-family:var(--num);font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-deep);
}
.article-content blockquote{
  margin:1.7em 0;padding:18px 22px;background:var(--paper-2);
  border-left:2px solid var(--brand);border-radius:0 var(--r-sm) var(--r-sm) 0;color:#3B4149;
}
.article-content blockquote p{margin:0}
.article-content img{border-radius:var(--r-md);margin:1.7em 0}
.article-content a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-content a:hover{color:var(--brand)}
.article-content table{width:100%;border-collapse:collapse;margin:1.7em 0;font-size:15px}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-content th{background:var(--paper-2);font-weight:600}
.article-content code{background:var(--paper-2);padding:2px 6px;border-radius:6px;font-size:14.5px;font-family:var(--num)}
.article-content hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.empty-state{
  border:1px dashed #CFCBC2;border-radius:var(--r-lg);background:#FFF;
  padding:56px 28px;text-align:center;
}
.empty-title{margin:0;font-size:22px;font-weight:700;color:var(--ink)}
.empty-desc{margin:12px auto 0;max-width:44ch;font-size:15px;line-height:1.8;color:var(--muted)}
.empty-state .btn{margin-top:24px}

/* ---------- Aside / TOC ---------- */
.article-aside{display:none}
.aside-inner{position:sticky;top:104px}
.aside-title{margin:0 0 12px;font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--muted)}
.toc{display:flex;flex-direction:column;border-left:1px solid var(--line)}
.toc a{
  margin-left:-1px;padding:7px 0 7px 14px;border-left:2px solid transparent;
  font-size:13px;line-height:1.5;color:var(--muted);
  transition:color .2s ease,border-color .2s ease,padding-left .2s ease;
}
.toc a:hover{color:var(--brand-deep)}
.toc a.is-active{color:var(--ink);font-weight:600;border-left-color:var(--brand);padding-left:16px}
.toc a.level-3{padding-left:26px;font-size:12.5px}
.toc a.level-3.is-active{padding-left:28px}
.aside-box{margin-top:28px;padding:20px;background:#FFF;border:1px solid var(--line);border-radius:var(--r-md)}
.aside-box-title{margin:0;font-size:15px;font-weight:700;color:var(--ink)}
.aside-box-text{margin:8px 0 14px;font-size:13px;line-height:1.75;color:var(--muted)}
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,760px) 240px;gap:64px;justify-content:center}
  .article-aside{display:block}
}

/* ---------- Sections ---------- */
.section{padding:0 0 88px}
.section-head{max-width:720px}
.section-title{margin:0;font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.section-sub{margin:10px 0 0;font-size:15px;line-height:1.8;color:var(--muted)}
.more-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:32px}
.more-card{
  display:flex;flex-direction:column;gap:10px;padding:28px;background:#FFF;
  border:1px solid var(--line);border-radius:var(--r-lg);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.more-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1)}
.more-kicker{font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--brand-deep)}
.more-card h3{margin:0;font-size:19px;font-weight:700;line-height:1.45;color:var(--ink)}
.more-card p{margin:0;font-size:14.5px;line-height:1.8;color:var(--muted)}
.more-link{margin-top:6px;font-size:14px;font-weight:600;color:var(--ink);transition:color .2s ease,transform .2s ease}
.more-card:hover .more-link{color:var(--brand-deep);transform:translateX(2px)}
@media (min-width:768px){.more-grid{grid-template-columns:1fr 1fr}}

.related-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:32px}
.rcard{
  display:flex;flex-direction:column;overflow:hidden;background:#FFF;
  border:1px solid var(--line);border-radius:20px;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.rcard:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1)}
.rcard-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper-2)}
.rcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.rcard:hover .rcard-media img{transform:scale(1.04)}
.rcard-body{display:flex;flex-direction:column;gap:10px;padding:22px;flex:1}
.rcard-body .pill{align-self:flex-start;height:24px;font-size:11.5px}
.rcard-body h3{margin:0;font-size:19px;font-weight:700;line-height:1.45;color:var(--ink)}
.rcard-body p{margin:0;font-size:14.5px;line-height:1.8;color:var(--muted)}
.rcard-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.rcard-foot span.link{font-weight:600;color:var(--ink);transition:color .2s ease}
.rcard:hover .rcard-foot span.link{color:var(--brand-deep)}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr)}}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:72px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:48px 48px;
}
.cta-inner{position:relative;display:grid;gap:28px;align-items:center}
.cta-title{margin:0;font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1.25}
.cta-text{margin:14px 0 0;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:60ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
@media (min-width:1024px){
  .cta-inner{grid-template-columns:1.5fr 1fr;gap:48px}
  .cta-actions{justify-content:flex-end}
}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 24px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:40px}
.footer-brand-main{font-size:18px;font-weight:800;letter-spacing:-.02em;color:#fff}
.footer-brand-sub{margin-top:4px;font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--brand)}
.footer-about{margin-top:14px;max-width:34ch;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-title{margin:0 0 14px;font-size:13px;letter-spacing:.12em;color:rgba(255,255,255,.5)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{display:inline-block;font-size:14px;color:rgba(255,255,255,.75)}
.footer-links a:hover{color:var(--brand);transform:translateX(2px)}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--brand)}
@media (min-width:768px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}
  .footer-col + .footer-col{padding-left:28px;border-left:1px solid rgba(255,255,255,.08)}
}

/* ---------- Motion ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .52s cubic-bezier(.22,.61,.36,1),transform .52s cubic-bezier(.22,.61,.36,1)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .nav-links,.nav-right-desktop{display:none}
  .burger{display:flex}
}
@media (min-width:1024px){
  .mobile-drawer{display:none !important}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .article-hero{padding:32px 0 44px}
  .article-main{padding:48px 0 64px}
  .section{padding:0 0 64px}
  .article-content{font-size:16.5px;line-height:1.9}
  .article-content h2{font-size:22px}
  .article-content h3{font-size:19px}
  .article-lead{font-size:16.5px}
  .cta-band{padding:56px 0}
  .site-footer{padding:56px 0 20px}
}

/* roulang page: category1 */
:root{
  --ink:#0D0F12;
  --ink-2:#1A1E24;
  --paper:#F6F5F2;
  --card:#FFFFFF;
  --brand:#12D08A;
  --brand-deep:#067A52;
  --accent:#FF6B2C;
  --accent2:#6E56F8;
  --line:#E3E1DB;
  --line-dark:rgba(255,255,255,.08);
  --text:#23272E;
  --muted:#6B7280;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,15,18,.04), 0 8px 24px -12px rgba(13,15,18,.14);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font-family:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--font);font-weight:800;letter-spacing:-.03em;line-height:1.15;margin:0}
p{margin:0}
::selection{background:rgba(18,208,138,.28)}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
main{padding-top:72px}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(246,245,242,.85);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.scrolled{background:rgba(246,245,242,.97);box-shadow:0 8px 28px -20px rgba(13,15,18,.5)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;flex-direction:column;line-height:1.14;padding:4px 0}
.brand-main{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.brand-sub{font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--brand-deep)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;font-weight:500;letter-spacing:.02em;color:#3b4249;padding:8px 0;transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;background:var(--brand);transition:width .26s cubic-bezier(.22,.61,.36,1)}
.nav-link:hover{color:var(--brand-deep)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--ink);font-weight:600}
.nav-link.active::after{width:100%}
.nav-right-desktop{display:flex;align-items:center;gap:16px}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;
  border-radius:var(--r-pill);background:var(--ink);color:#fff;font-size:14px;font-weight:600;letter-spacing:.02em;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 12px 24px -14px rgba(6,122,82,.8)}
.burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;align-items:center;border-radius:10px}
.burger span{display:block;width:22px;height:2px;background:var(--ink);transition:transform .25s ease,opacity .25s ease}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- page hero ---------- */
.page-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;min-height:44vh;display:flex;align-items:center;padding:72px 0 56px}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(102deg,rgba(13,15,18,.94) 18%,rgba(13,15,18,.62) 68%,rgba(13,15,18,.42))}
.page-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.04em;color:rgba(255,255,255,.6);margin-bottom:20px}
.crumb a{color:rgba(255,255,255,.78);transition:color .2s ease}
.crumb a:hover{color:var(--brand)}
.crumb-sep{color:rgba(255,255,255,.32)}
.tag-line{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.12em;font-weight:600;
  color:var(--brand);border:1px solid rgba(18,208,138,.4);border-radius:var(--r-pill);padding:6px 16px;margin-bottom:22px;
}
.tag-line::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.page-hero h1{font-size:clamp(30px,4.4vw,52px);color:#fff;max-width:16em}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.76);max-width:32em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 26px;
  border-radius:var(--r-pill);font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#06251A}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(18,208,138,.75);background:#0fdc92}
.btn-ghost{border:1px solid rgba(255,255,255,.34);color:#fff}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-outline{border:1px solid var(--line);background:#fff;color:var(--text)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh-1)}
.hero-figure{position:relative}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);border:1px solid rgba(18,208,138,.28);box-shadow:0 0 44px -14px rgba(18,208,138,.4)}
.hero-figure::before{content:"";position:absolute;left:-24px;top:-24px;width:88px;height:88px;border-left:2px solid var(--accent2);border-top:2px solid var(--accent2);border-radius:6px 0 0 0;opacity:.85}

/* ---------- section ---------- */
.section{padding:112px 0}
.section.tight{padding:88px 0}
.section-head{max-width:760px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.16em;font-weight:600;color:var(--brand-deep);margin-bottom:16px}
.section-head h2{font-size:clamp(26px,3.2vw,42px);color:var(--ink)}
.section-lead{margin-top:18px;font-size:17px;line-height:1.8;color:var(--muted)}
.hr-line{height:1px;background:var(--line);border:0;margin:0}
.dark-band{background:var(--ink);color:#fff}
.dark-band .section-head h2{color:#fff}
.dark-band .section-lead{color:rgba(255,255,255,.7)}
.dark-band .eyebrow{color:var(--brand)}

/* ---------- zigzag ---------- */
.zigzag{display:flex;flex-direction:column;gap:88px;margin-top:64px}
.zig-row{display:grid;grid-template-columns:5fr 6fr;gap:80px;align-items:center}
.zig-row.flip .zig-media{order:2}
.zig-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-1)}
.zig-text h3{font-size:23px;color:var(--ink);margin-bottom:16px}
.zig-text p{font-size:16.5px;line-height:1.85;color:#454c55}
.zig-label{display:inline-block;font-size:12px;letter-spacing:.14em;font-weight:700;color:var(--brand-deep);margin-bottom:12px}
.dot-list{list-style:none;margin:20px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.dot-list li{
  font-size:13.5px;color:#3b4249;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:6px 14px;
}

/* ---------- steps ---------- */
.step-list{list-style:none;margin:56px 0 0;padding:0;border-top:1px solid var(--line)}
.step-item{display:grid;grid-template-columns:130px 1fr;gap:36px;padding:34px 0;border-bottom:1px solid var(--line)}
.step-num{font-family:'Inter',system-ui,sans-serif;font-variant-numeric:tabular-nums;font-size:42px;font-weight:800;line-height:1;letter-spacing:-.05em;color:var(--brand)}
.step-body h3{font-size:20px;color:var(--ink);margin-bottom:10px}
.step-body p{font-size:16px;line-height:1.85;color:#4b525b;max-width:56em}

/* ---------- check grid ---------- */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 64px;margin-top:48px}
.check-item{display:flex;gap:14px;padding:20px 0;border-bottom:1px solid var(--line)}
.check-item .mark{flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--brand)}
.check-item h3{font-size:17px;color:var(--ink);margin-bottom:6px}
.check-item p{font-size:15px;line-height:1.8;color:var(--muted)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink-2);border-radius:var(--r-lg);padding:52px 56px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;border:1px solid rgba(18,208,138,.22);box-shadow:0 0 48px -18px rgba(18,208,138,.4)}
.cta-band h2{font-size:clamp(24px,2.6vw,34px);color:#fff;max-width:20em}
.cta-band p{margin-top:12px;font-size:16px;color:rgba(255,255,255,.7);max-width:38em}
.cta-band .btn-row{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- FAQ ---------- */
.faq-list{margin-top:48px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px 0;text-align:left;font-size:18px;font-weight:500;color:var(--text);transition:color .2s ease}
.faq-q:hover{color:var(--brand-deep)}
.faq-icon{flex:0 0 auto;position:relative;width:20px;height:20px;transition:transform .3s cubic-bezier(.22,.61,.36,1),color .2s ease;color:var(--muted)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--brand)}
.faq-item.open .faq-q{color:var(--ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s cubic-bezier(.22,.61,.36,1)}
.faq-a p{padding:0 0 26px;font-size:16px;line-height:1.85;color:var(--muted);max-width:78em}

/* ---------- consult ---------- */
.consult-grid{display:grid;grid-template-columns:5fr 7fr;gap:72px;align-items:start}
.consult-info h2{font-size:clamp(26px,3vw,38px);color:var(--ink)}
.consult-info p{margin-top:18px;font-size:16.5px;line-height:1.85;color:var(--muted)}
.info-list{list-style:none;margin:32px 0 0;padding:0;border-top:1px solid var(--line)}
.info-list li{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid var(--line);font-size:15px}
.info-list span:first-child{color:var(--muted)}
.info-list span:last-child{color:var(--text);font-weight:600}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:40px;box-shadow:var(--sh-1)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.field{position:relative;padding-top:20px;margin-bottom:22px}
.field label{position:absolute;top:0;left:0;font-size:13px;letter-spacing:.06em;color:var(--muted)}
.field input,.field select,.field textarea{
  width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;
  padding:12px 0;font-size:16px;line-height:1.5;outline:none;transition:border-color .2s ease;
}
.field textarea{resize:vertical;min-height:88px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand)}
.field::before{
  content:"";position:absolute;left:-14px;top:30px;width:5px;height:5px;border-radius:50%;
  background:var(--accent2);opacity:0;transition:opacity .2s ease;
}
.field:focus-within::before{opacity:1}
.agree{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:var(--muted);margin:8px 0 26px}
.agree input{width:18px;height:18px;margin-top:2px;accent-color:var(--brand)}
.btn-block{width:100%}
.form-success{
  display:none;border:1px solid var(--brand);border-radius:var(--r-md);
  background:rgba(18,208,138,.07);padding:24px;font-size:15.5px;line-height:1.8;color:var(--brand-deep);
}
.form-success.show{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:80px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:0}
.footer-col{padding:0 32px;border-left:1px solid var(--line-dark)}
.footer-col:first-child{padding-left:0;border-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand-main{font-size:19px;font-weight:800;color:#fff;letter-spacing:-.02em}
.footer-brand-sub{font-size:12px;letter-spacing:.16em;font-weight:600;color:var(--brand);margin-top:6px}
.footer-about{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.55)}
.footer-title{font-size:13px;letter-spacing:.14em;font-weight:700;color:#fff;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:var(--brand);transform:translateX(2px)}
.footer-bottom{
  margin-top:64px;border-top:1px solid var(--line-dark);padding:24px 0 30px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.75);border-bottom:1px solid rgba(255,255,255,.2)}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .52s cubic-bezier(.22,.61,.36,1),transform .52s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .zig-row{gap:56px}
  .footer-col{padding:0 24px}
}
@media (max-width:1023px){
  .nav-links{
    position:fixed;top:72px;left:0;right:0;bottom:0;
    background:var(--paper);flex-direction:column;align-items:stretch;gap:0;
    padding:24px 24px 40px;margin:0;
    opacity:0;pointer-events:none;transform:translateY(-10px);
    transition:opacity .28s ease,transform .28s ease;
    overflow-y:auto;
  }
  .nav-links.open{opacity:1;pointer-events:auto;transform:none}
  .nav-link{font-size:24px;font-weight:500;padding:20px 0;border-bottom:1px solid var(--line);opacity:0;transform:translateY(8px)}
  .nav-links.open .nav-link{opacity:1;transform:none;transition:opacity .36s ease,transform .36s ease}
  .nav-links.open .nav-link:nth-child(1){transition-delay:.04s}
  .nav-links.open .nav-link:nth-child(2){transition-delay:.08s}
  .nav-links.open .nav-link:nth-child(3){transition-delay:.12s}
  .nav-links.open .nav-link:nth-child(4){transition-delay:.16s}
  .nav-links.open .nav-link:nth-child(5){transition-delay:.2s}
  .nav-link::after{display:none}
  .nav-right-desktop{display:none}
  .burger{display:flex}
  .page-hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-figure{max-width:520px}
  .zig-row,.zig-row.flip{grid-template-columns:1fr;gap:32px}
  .zig-row.flip .zig-media{order:0}
  .check-grid{grid-template-columns:1fr;gap:0}
  .consult-grid{grid-template-columns:1fr;gap:44px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px 0}
  .footer-col:nth-child(odd){padding-left:0;border-left:0}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .section.tight{padding:56px 0}
  .page-hero{min-height:auto;padding:56px 0 44px}
  .page-hero h1{font-size:clamp(28px,7vw,36px)}
  .zigzag{gap:56px;margin-top:44px}
  .step-item{grid-template-columns:1fr;gap:14px;padding:26px 0}
  .step-num{font-size:34px}
  .cta-band{padding:32px 24px;border-radius:var(--r-md)}
  .form-card{padding:26px 20px}
  .form-row{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .footer-col{padding:0;border-left:0;border-top:1px solid var(--line-dark);padding-top:26px}
  .footer-col:first-child{border-top:0;padding-top:0}
  .footer-bottom{margin-top:40px;flex-direction:column}
  .info-list li{flex-direction:column;gap:4px}
}
@media (max-width:520px){
  .brand-main{font-size:15.5px}
  .brand-sub{font-size:10px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-band .btn-row{flex-direction:column;align-items:stretch}
  .cta-band .btn-row .btn{width:100%}
  .faq-q{font-size:16.5px}
}

/* roulang page: category2 */
:root{
  --brand:#12D08A; --brand-deep:#067A52; --accent:#FF6B2C; --accent2:#6E56F8;
  --ink:#0D0F12; --ink-2:#1A1E24; --paper:#F6F5F2; --paper-2:#EFEDE8; --card:#FFFFFF;
  --line:#E3E1DB; --text:#23272E; --muted:#6B7280;
  --r-sm:10px; --r-md:16px; --r-lg:24px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,15,18,.04), 0 8px 24px -12px rgba(13,15,18,.14);
  --glow:0 0 40px -12px rgba(18,208,138,.35);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter",system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
.page-body{
  margin:0;padding:0;background:var(--paper);color:var(--text);
  font-family:var(--font-sans);font-size:16px;line-height:1.65;letter-spacing:0;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
.page-body img{max-width:100%;display:block;}
.page-body a{color:inherit;text-decoration:none;}
.page-body button{font:inherit;color:inherit;cursor:pointer;}
.page-body input,.page-body select,.page-body textarea{font:inherit;color:inherit;}
.page-body :focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
.page-body h1,.page-body h2,.page-body h3,.page-body h4,.page-body p{margin:0;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.section{padding:112px 0;}
.section--tight{padding:72px 0;}
.section--paper2{background:var(--paper-2);}
.section--dark{background:var(--ink);color:#fff;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;left:0;right:0;z-index:80;
  background:rgba(246,245,242,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.scrolled{background:rgba(246,245,242,.97);border-bottom-color:#D8D5CD;box-shadow:0 10px 30px -24px rgba(13,15,18,.5);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;flex-direction:column;justify-content:center;gap:1px;min-height:44px;padding:2px 0;}
.brand-main{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--ink);line-height:1.15;}
.brand-sub{font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--brand-deep);line-height:1.2;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 0;font-size:15px;font-weight:500;letter-spacing:.02em;color:var(--text);
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;background:var(--brand);
  transition:width .28s var(--ease);
}
.nav-link:hover{color:var(--brand-deep);}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:var(--ink);font-weight:600;padding-left:14px;}
.nav-link.active::before{
  content:"";position:absolute;left:0;top:50%;width:5px;height:5px;margin-top:-2.5px;
  border-radius:50%;background:var(--brand);
}
.nav-link.active::after{width:0;}
.nav-right-desktop{display:flex;align-items:center;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:11px 22px;border-radius:var(--r-pill);
  background:var(--brand);color:#06251A;font-size:14px;font-weight:700;letter-spacing:.02em;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-cta:hover{background:var(--brand-deep);color:#EAFBF4;transform:translateY(-2px);box-shadow:0 12px 26px -14px rgba(6,122,82,.9);}
.burger{
  display:none;width:44px;height:44px;border:0;background:transparent;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:var(--r-sm);
}
.burger span{display:block;width:22px;height:2px;background:var(--ink);transition:transform .25s var(--ease),opacity .25s var(--ease);}
body.nav-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.nav-open .burger span:nth-child(2){opacity:0;}
body.nav-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;min-height:44vh;display:flex;align-items:center;padding:72px 0 56px;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.3;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(13,15,18,.95) 0%,rgba(13,15,18,.78) 55%,rgba(13,15,18,.62) 100%);
}
.hero-lines{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:72px 72px;
}
.page-hero .container{position:relative;z-index:2;}
.hero-inner{display:grid;grid-template-columns:5fr 6fr;gap:56px;align-items:center;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid rgba(18,208,138,.28);box-shadow:var(--glow);
}
.hero-media-tag{
  position:absolute;left:20px;bottom:20px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(13,15,18,.72);border:1px solid rgba(255,255,255,.18);
  font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.86);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  border:1px solid rgba(18,208,138,.42);background:rgba(18,208,138,.1);
  font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--brand);
}
.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--accent2);}
.hero-title{margin-top:24px;font-size:clamp(30px,4.4vw,52px);font-weight:900;letter-spacing:-.03em;line-height:1.1;}
.hero-title-main{display:block;}
.hero-title-sub{display:block;margin-top:14px;font-size:.46em;font-weight:600;letter-spacing:.06em;color:var(--brand);}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.75;color:rgba(255,255,255,.8);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;letter-spacing:.04em;color:rgba(255,255,255,.6);
}
.hero-breadcrumb a{color:rgba(255,255,255,.6);transition:color .2s var(--ease);}
.hero-breadcrumb a:hover{color:var(--brand);}
.hero-breadcrumb .sep{width:1px;height:11px;background:rgba(255,255,255,.24);}
.hero-breadcrumb .current{color:rgba(255,255,255,.9);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--brand);color:#06251A;}
.btn-primary:hover{background:var(--brand-deep);color:#EAFBF4;transform:translateY(-2px);box-shadow:0 14px 30px -16px rgba(6,122,82,.95);}
.btn-ghost{border-color:rgba(255,255,255,.34);color:#fff;background:transparent;}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-outline{border-color:var(--line);color:var(--text);background:#fff;}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-accent{background:var(--accent);color:#2A1004;}
.btn-accent:hover{background:#E85A20;color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px -16px rgba(232,90,32,.95);}

/* ---------- 区块头 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px;}
.section-title{font-size:clamp(26px,3.2vw,44px);font-weight:800;letter-spacing:-.03em;line-height:1.16;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
  font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--brand-deep);
}
.section-kicker i{display:block;width:20px;height:1px;background:var(--brand);}
.section-desc{margin-top:16px;font-size:15px;line-height:1.8;color:var(--muted);max-width:640px;}
.section-side{font-size:13px;letter-spacing:.04em;color:var(--muted);white-space:nowrap;}
.text-link{font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--brand-deep);border-bottom:1px solid rgba(6,122,82,.3);padding-bottom:3px;transition:color .2s var(--ease),border-color .2s var(--ease);}
.text-link:hover{color:var(--accent);border-color:rgba(255,107,44,.45);}

/* ---------- 大厅卡片网格 ---------- */
.hall-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.hall-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.hall-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1);}
.hall-card-media{aspect-ratio:16/10;overflow:hidden;background:var(--paper-2);}
.hall-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.hall-card:hover .hall-card-media img{transform:scale(1.04);}
.hall-card-body{display:flex;flex-direction:column;gap:12px;padding:26px 24px 24px;flex:1;}
.hall-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.hall-card h3{font-size:19px;font-weight:700;letter-spacing:-.01em;}
.chip{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--paper);font-size:12px;letter-spacing:.06em;color:var(--muted);
}
.chip--brand{border-color:rgba(18,208,138,.4);color:var(--brand-deep);background:rgba(18,208,138,.08);}
.hall-card p{font-size:14.5px;line-height:1.75;color:var(--muted);flex:1;}
.card-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:6px;padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--brand-deep);
  transition:color .2s var(--ease),gap .2s var(--ease);
}
.card-link:hover{color:var(--accent);gap:12px;}
.card-link .arrow{font-family:var(--font-num);}

/* ---------- 标签云 ---------- */
.tag-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line);}
.tag{
  display:flex;align-items:center;justify-content:center;min-height:64px;padding:14px 18px;
  border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  font-size:13.5px;letter-spacing:.04em;color:var(--text);background:#fff;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.tag:hover{background:rgba(18,208,138,.07);color:var(--brand-deep);}

/* ---------- 三步指南 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;}
.step-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 28px 30px;}
.step-card::before{
  content:"";position:absolute;left:28px;top:0;width:38px;height:2px;background:var(--brand);
  border-radius:2px;
}
.step-num{font-family:var(--font-num);font-size:40px;font-weight:800;letter-spacing:-.02em;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1;}
.step-card h3{margin-top:18px;font-size:20px;font-weight:700;}
.step-card p{margin-top:12px;font-size:14.5px;line-height:1.8;color:var(--muted);}
.step-note{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);letter-spacing:.02em;}

/* ---------- 数据带 ---------- */
.stat-band{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:var(--r-lg);
  padding:48px;display:grid;grid-template-columns:repeat(4,1fr);gap:0;
}
.stat-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 1px,transparent 1px 22px);
}
.stat-item{position:relative;padding:6px 26px;border-left:1px solid rgba(255,255,255,.1);}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-num{font-family:var(--font-num);font-size:clamp(30px,3.4vw,40px);font-weight:800;letter-spacing:-.02em;color:#fff;font-variant-numeric:tabular-nums;line-height:1;}
.stat-num em{font-style:normal;font-size:.5em;color:var(--brand);margin-left:4px;}
.stat-label{margin-top:12px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.6);letter-spacing:.04em;}

/* ---------- 反馈 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.voice-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 28px;display:flex;flex-direction:column;}
.voice-quote{font-size:15.5px;line-height:1.85;color:var(--text);flex:1;}
.voice-meta{margin-top:22px;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);letter-spacing:.03em;}
.voice-dot{width:6px;height:6px;border-radius:50%;background:var(--accent2);}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:960px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:44px;padding:24px 4px;background:transparent;border:0;text-align:left;
  font-size:18px;font-weight:500;color:var(--text);letter-spacing:-.01em;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand-deep);}
.faq-icon{font-family:var(--font-num);font-size:22px;line-height:1;color:var(--muted);transition:transform .28s var(--ease),color .28s var(--ease);}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease);}
.faq-a p{padding:0 4px 26px;font-size:16px;line-height:1.85;color:var(--muted);max-width:820px;}

/* ---------- 咨询 CTA ---------- */
.consult-band{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:var(--r-lg);
  padding:56px;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;
}
.consult-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 1px,transparent 1px 24px);
}
.consult-band > *{position:relative;z-index:2;}
.consult-title{font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1.2;}
.consult-text{margin-top:18px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.7);max-width:460px;}
.consult-list{margin-top:26px;border-top:1px solid rgba(255,255,255,.12);}
.consult-list div{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:14px;}
.consult-list span:first-child{color:rgba(255,255,255,.58);letter-spacing:.04em;}
.consult-list span:last-child{color:#fff;font-weight:500;}
.form-grid{display:grid;gap:22px;}
.field{position:relative;padding-top:20px;}
.field label{
  position:absolute;top:0;left:0;font-size:13px;letter-spacing:.06em;color:rgba(255,255,255,.5);
}
.field input,.field select,.field textarea{
  width:100%;background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.22);
  padding:10px 0 12px;font-size:16px;color:#fff;border-radius:0;
  transition:border-color .2s var(--ease);
}
.field textarea{resize:vertical;min-height:74px;}
.field select option{color:#23272E;}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.32);}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-bottom-color:var(--brand);}
.field::after{
  content:"";position:absolute;left:-12px;top:26px;width:5px;height:5px;border-radius:50%;
  background:var(--accent2);opacity:0;transition:opacity .2s var(--ease);
}
.field:focus-within::after{opacity:1;}
.form-check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:rgba(255,255,255,.6);line-height:1.7;}
.form-check input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand);}
.form-msg{margin-top:16px;padding:16px 18px;border:1px solid rgba(18,208,138,.5);border-radius:var(--r-md);font-size:14px;color:var(--brand);display:none;}
.form-msg.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;padding:76px 0 30px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:0;}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.08);}
.footer-col:first-child{border-left:0;padding-left:0;}
.footer-col:last-child{padding-right:0;}
.footer-brand-main{font-size:19px;font-weight:800;letter-spacing:-.02em;}
.footer-brand-sub{margin-top:6px;font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--brand);}
.footer-about{margin-top:16px;font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.55);max-width:320px;}
.footer-title{font-size:14px;font-weight:600;letter-spacing:.02em;color:#fff;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.64);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block;}
.footer-links a:hover{color:var(--brand);transform:translateX(-2px);}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .52s var(--ease),transform .52s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .hall-grid{grid-template-columns:repeat(2,1fr);}
  .voice-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:40px;}
  .footer-col{padding:0 24px;}
  .footer-col:nth-child(3){border-left:0;padding-left:0;}
}
@media (max-width:1023px){
  .nav-links{
    position:absolute;top:72px;left:0;right:0;height:calc(100vh - 72px);
    display:flex;flex-direction:column;align-items:flex-start;gap:0;
    background:var(--paper);padding:28px 24px 140px;overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s var(--ease);
  }
  body.nav-open .nav-links{opacity:1;visibility:visible;transform:none;}
  .nav-link{
    width:100%;font-size:24px;font-weight:500;padding:16px 0;
    border-bottom:1px solid var(--line);opacity:0;transform:translateY(10px);
    transition:opacity .3s var(--ease),transform .3s var(--ease),color .2s var(--ease);
  }
  .nav-link::after{display:none;}
  .nav-link.active{padding-left:0;}
  .nav-link.active::before{display:none;}
  body.nav-open .nav-link{opacity:1;transform:none;}
  body.nav-open .nav-link:nth-child(1){transition-delay:.06s;}
  body.nav-open .nav-link:nth-child(2){transition-delay:.1s;}
  body.nav-open .nav-link:nth-child(3){transition-delay:.14s;}
  body.nav-open .nav-link:nth-child(4){transition-delay:.18s;}
  body.nav-open .nav-link:nth-child(5){transition-delay:.22s;}
  .nav-right-desktop{position:absolute;left:24px;right:24px;top:calc(100vh - 108px);display:none;z-index:90;}
  body.nav-open .nav-right-desktop{display:block;}
  .nav-cta{width:100%;padding:16px 24px;}
  body.nav-open{overflow:hidden;}

  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .hero-copy{order:1;}
  .hero-media{order:2;}
  .section{padding:72px 0;}
  .section--tight{padding:52px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:36px;}
  .step-grid{grid-template-columns:1fr;}
  .stat-band{grid-template-columns:1fr 1fr;padding:36px 30px;}
  .stat-item{padding:18px 22px;border-left:0;border-top:1px solid rgba(255,255,255,.1);}
  .stat-item:first-child{border-top:0;padding-left:22px;padding-top:0;}
  .stat-item:nth-child(2){border-top:0;}
  .consult-band{grid-template-columns:1fr;gap:36px;padding:40px 32px;}
}
@media (max-width:639px){
  .container{padding:0 20px;}
  .hall-grid{grid-template-columns:1fr;}
  .hero-title{font-size:34px;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:12px;}
  .btn{width:100%;}
  .stat-band{grid-template-columns:1fr;}
  .stat-item{padding:20px 0;}
  .stat-item + .stat-item{border-top:1px solid rgba(255,255,255,.1);}
  .consult-band{padding:32px 22px;}
  .tag-row{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col{padding:0 0 26px;border-left:0;border-bottom:1px solid rgba(255,255,255,.08);}
  .footer-col:last-child{border-bottom:0;padding-bottom:0;}
}

/* roulang page: category3 */
:root{
  --brand:#12D08A;
  --brand-deep:#067A52;
  --accent:#FF6B2C;
  --accent2:#6E56F8;
  --ink:#0D0F12;
  --ink-2:#1A1E24;
  --paper:#F6F5F2;
  --paper-2:#EFEDE8;
  --card:#FFFFFF;
  --line:#E3E1DB;
  --line-dark:rgba(255,255,255,.08);
  --text:#23272E;
  --muted:#6B7280;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,15,18,.04), 0 8px 24px -12px rgba(13,15,18,.14);
  --font-main:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.site-body{
  margin:0;
  font-family:var(--font-main);
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent2);
  outline-offset:3px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:112px 0}
.section-tight{padding:64px 0}
.section-alt{background:var(--paper-2)}
.section-dark{background:var(--ink);color:#fff}
.eyebrow{
  font-size:12px;
  letter-spacing:.14em;
  color:var(--brand-deep);
  font-weight:600;
  margin-bottom:14px;
}
.eyebrow-light{color:var(--brand)}
.section-title{
  font-size:clamp(26px,3.2vw,42px);
  font-weight:800;
  letter-spacing:-.03em;
  line-height:1.15;
  color:var(--ink);
}
.section-title.title-light{color:#fff}
.section-note{
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
  max-width:520px;
}
.section-note.note-light{color:rgba(255,255,255,.62)}
.section-head{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:48px;
  align-items:end;
  padding-bottom:44px;
  border-bottom:1px solid var(--line);
  margin-bottom:56px;
}
.section-alt .section-head{border-bottom-color:#DCD9D1}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,245,242,.85);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(246,245,242,.97);
  border-bottom-color:#D5D2CA;
  box-shadow:0 1px 0 rgba(13,15,18,.03),0 14px 34px -26px rgba(13,15,18,.45);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-main{
  font-size:19px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
  line-height:1;
}
.brand-sub{
  font-size:11px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--brand-deep);
  border:1px solid rgba(6,122,82,.28);
  border-radius:var(--r-pill);
  padding:3px 9px;
  line-height:1;
  white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  letter-spacing:.02em;
  color:#3A4048;
  padding:6px 0;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:2px;
  background:var(--brand);
  transition:width .25s cubic-bezier(.22,.61,.36,1);
}
.nav-link:hover{color:var(--brand-deep)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--ink);font-weight:600}
.nav-link.active::after{width:100%}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:40px;
  padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--brand);
  color:#06251A;
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{
  background:var(--brand-deep);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 26px -14px rgba(6,122,82,.85);
}
.nav-cta-mobile{display:none}
.burger{
  display:none;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  width:44px;
  height:44px;
  padding:0;
  border:0;
  background:none;
  cursor:pointer;
}
.burger span{
  display:block;
  width:22px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .25s ease,opacity .2s ease;
}
.site-header.nav-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header.nav-open .burger span:nth-child(2){opacity:0}
.site-header.nav-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ HERO ============ */
.page-hero{
  position:relative;
  background:var(--ink);
  color:#fff;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  opacity:.34;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(103deg,rgba(13,15,18,.97) 0%,rgba(13,15,18,.88) 45%,rgba(13,15,18,.6) 100%);
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:64px;
  align-items:center;
  padding:88px 0 48px;
  min-height:44vh;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(18,208,138,.34);
  background:rgba(18,208,138,.1);
  color:var(--brand);
  font-size:12px;
  letter-spacing:.14em;
  font-weight:600;
  margin-bottom:22px;
}
.hero-title{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:900;
  letter-spacing:-.03em;
  line-height:1.14;
  color:#fff;
}
.hero-title-dot{color:var(--brand);padding:0 6px}
.hero-sub{
  margin-top:20px;
  font-size:clamp(17px,1.6vw,20px);
  font-weight:500;
  color:rgba(255,255,255,.9);
  letter-spacing:.01em;
}
.hero-desc{
  margin-top:14px;
  font-size:15px;
  line-height:1.9;
  color:rgba(255,255,255,.62);
  max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid rgba(18,208,138,.28);
  box-shadow:0 0 40px -12px rgba(18,208,138,.35);
  aspect-ratio:16/10;
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(13,15,18,.05),rgba(13,15,18,.42));
}
.breadcrumb{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  gap:10px;
  padding:18px 0;
  border-top:1px solid var(--line-dark);
  font-size:12px;
  letter-spacing:.06em;
  color:rgba(255,255,255,.6);
}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(255,255,255,.28)}
.hero-trust{
  position:relative;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  border-top:1px solid var(--line-dark);
}
.trust-item{
  flex:1 1 0;
  min-width:150px;
  padding:24px 28px 28px;
  border-left:1px solid var(--line-dark);
}
.trust-item:first-child{border-left:0;padding-left:0}
.trust-num{
  display:block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:26px;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--brand);
  line-height:1.1;
}
.trust-text{
  margin-top:8px;
  font-size:13px;
  letter-spacing:.04em;
  color:rgba(255,255,255,.58);
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.03em;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#06251A}
.btn-primary:hover{
  background:var(--brand-deep);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 14px 30px -16px rgba(6,122,82,.9);
}
.btn-ghost{border-color:rgba(255,255,255,.34);color:#fff;background:transparent}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#2A0D02}
.btn-accent:hover{
  background:#E85A1B;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 14px 30px -16px rgba(232,90,27,.9);
}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px)}
.btn-block{width:100%}

/* ============ TIMELINE ============ */
.timeline{position:relative}
.tl-item{
  display:grid;
  grid-template-columns:96px 1fr;
  gap:28px;
  padding-bottom:36px;
}
.tl-item:last-child{padding-bottom:0}
.tl-rail{position:relative;padding-top:2px}
.tl-index{
  display:block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:38px;
  font-weight:800;
  line-height:1;
  letter-spacing:-.04em;
  color:var(--brand-deep);
}
.tl-stem{
  position:absolute;
  left:6px;
  top:50px;
  bottom:-36px;
  width:2px;
  background:linear-gradient(180deg,rgba(18,208,138,.6),rgba(18,208,138,.06));
}
.tl-stem::before{
  content:"";
  position:absolute;
  top:-9px;
  left:50%;
  transform:translateX(-50%);
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(18,208,138,.14);
}
.tl-item:last-child .tl-stem{display:none}
.tl-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 30px 28px;
  box-shadow:var(--sh-1);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.tl-card:hover{
  border-color:var(--brand);
  transform:translateY(-2px);
  box-shadow:0 18px 40px -24px rgba(6,122,82,.45);
}
.tl-title{
  font-size:21px;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--ink);
  margin-bottom:12px;
}
.tl-text{
  font-size:15.5px;
  line-height:1.9;
  color:#4A5058;
}
.tl-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.tl-list li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--muted);
}
.tl-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:6px;
  height:6px;
  border-radius:2px;
  background:var(--brand);
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.chip{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 13px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  font-size:12.5px;
  letter-spacing:.04em;
  color:var(--muted);
}
.chip-accent{
  border-color:rgba(255,107,44,.36);
  background:rgba(255,107,44,.07);
  color:#B9410F;
}

/* ============ RULES GRID ============ */
.rules-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:32px;
}
.rule-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px 32px;
  box-shadow:var(--sh-1);
  transition:border-color .25s ease,transform .25s ease;
}
.rule-panel:hover{border-color:var(--brand);transform:translateY(-2px)}
.panel-title{
  font-size:19px;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--ink);
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
  margin-bottom:6px;
}
.rule-row{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:20px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.rule-row:last-child{border-bottom:0}
.rule-label{
  font-size:13px;
  letter-spacing:.05em;
  color:var(--muted);
  flex-shrink:0;
}
.rule-value{
  font-size:15.5px;
  font-weight:500;
  color:var(--text);
  text-align:right;
  line-height:1.7;
}

/* ============ COUNTDOWN BAR ============ */
.countdown-bar{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:44px;
  padding:34px 40px;
  border-radius:var(--r-lg);
  background:var(--ink);
  border:1px solid rgba(18,208,138,.24);
  box-shadow:0 0 40px -16px rgba(18,208,138,.4);
}
.countdown-bar::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(112deg,rgba(255,255,255,.05) 0 1px,transparent 1px 22px);
  opacity:.55;
  pointer-events:none;
}
.cd-block,.cd-mid,.cd-action{position:relative;z-index:2}
.cd-label{
  font-size:12px;
  letter-spacing:.14em;
  color:rgba(255,255,255,.5);
  margin-bottom:10px;
}
.cd-clock{
  display:flex;
  align-items:baseline;
  gap:6px;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
}
.cd-num{
  font-size:48px;
  font-weight:700;
  line-height:1;
  letter-spacing:-.03em;
  color:#fff;
}
.cd-sep{font-size:34px;color:rgba(255,255,255,.28);line-height:1}
.cd-num.flip{animation:flipIn .34s ease}
@keyframes flipIn{
  from{opacity:.35;transform:translateY(2px)}
  to{opacity:1;transform:translateY(0)}
}
.cd-title{
  font-size:17px;
  font-weight:600;
  color:#fff;
  padding-left:44px;
  border-left:1px solid var(--line-dark);
  line-height:1.5;
}
.cd-text{
  margin-top:10px;
  padding-left:44px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.6);
  max-width:560px;
}

/* ============ FAQ ============ */
.faq-wrap{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:64px;
  align-items:start;
}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:24px 0;
  border:0;
  background:none;
  text-align:left;
  font-size:18px;
  font-weight:500;
  color:var(--ink);
  cursor:pointer;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-deep)}
.faq-icon{
  position:relative;
  flex:0 0 16px;
  width:16px;
  height:16px;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--muted);
  transition:transform .25s ease,background .25s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--brand)}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg)}
.faq-item.is-open .faq-icon::before{transform:rotate(180deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s cubic-bezier(.22,.61,.36,1);
}
.faq-a-inner{
  padding:0 32px 26px 0;
  font-size:15.5px;
  line-height:1.9;
  color:#4A5058;
}

/* ============ CONSULT ============ */
.consult{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:56px;
  align-items:start;
}
.contact-list{margin-top:36px;border-top:1px solid var(--line)}
.contact-list li{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:20px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.contact-list span{
  font-size:13px;
  letter-spacing:.05em;
  color:var(--muted);
}
.contact-list strong{
  font-size:14.5px;
  font-weight:600;
  color:var(--text);
  text-align:right;
}
.form-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:36px 38px 40px;
  box-shadow:var(--sh-1);
}
.field{position:relative;margin-bottom:26px}
.field label{
  display:block;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--muted);
  margin-bottom:4px;
}
.field input,.field select,.field textarea{
  width:100%;
  border:0;
  border-bottom:1px solid var(--line);
  border-radius:0;
  background:transparent;
  padding:10px 0;
  font-size:16px;
  line-height:1.6;
  color:var(--text);
  transition:border-color .2s ease;
  outline:none;
}
.field input::placeholder,.field textarea::placeholder{color:#A8AEB6}
.field input:focus,.field select:focus,.field textarea:focus{border-bottom-color:var(--brand)}
.field:focus-within::before{
  content:"";
  position:absolute;
  left:-16px;
  top:30px;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--accent2);
}
.field select{
  appearance:none;
  -webkit-appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 12px) 22px,calc(100% - 7px) 22px;
  background-size:5px 5px,5px 5px;
  background-repeat:no-repeat;
  cursor:pointer;
}
.field textarea{resize:vertical;min-height:88px}
.check-row{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13.5px;
  line-height:1.7;
  color:var(--muted);
  margin-bottom:24px;
  cursor:pointer;
}
.check-row input{
  width:16px;
  height:16px;
  margin-top:3px;
  accent-color:var(--brand-deep);
  flex:0 0 16px;
}
.form-error{
  font-size:13px;
  color:#C43D0B;
  margin-bottom:16px;
}
.form-success{
  border:1px solid var(--brand);
  border-radius:var(--r-md);
  padding:26px 28px;
  background:rgba(18,208,138,.05);
}
.fs-title{
  font-size:17px;
  font-weight:700;
  color:var(--brand-deep);
  margin-bottom:10px;
}
.fs-text{
  font-size:14.5px;
  line-height:1.85;
  color:#4A5058;
}

/* ============ FOOTER ============ */
.site-footer{
  background:var(--ink);
  color:#fff;
  padding:76px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:0;
}
.footer-col{
  padding:0 32px;
  border-left:1px solid var(--line-dark);
}
.footer-col:first-child{border-left:0;padding-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand-main{
  font-size:20px;
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.2;
}
.footer-brand-sub{
  margin-top:8px;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--brand);
  font-weight:600;
}
.footer-about{
  margin-top:16px;
  font-size:13.5px;
  line-height:1.85;
  color:rgba(255,255,255,.58);
}
.footer-title{
  font-size:13px;
  letter-spacing:.1em;
  color:rgba(255,255,255,.48);
  margin-bottom:18px;
}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{
  display:inline-block;
  font-size:14px;
  color:rgba(255,255,255,.78);
  transition:color .2s ease,transform .2s ease;
}
.footer-links a:hover{color:var(--brand);transform:translateX(-2px)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  margin-top:56px;
  padding:24px 0 34px;
  border-top:1px solid var(--line-dark);
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-bottom a:hover{color:var(--brand)}

/* ============ REVEAL ============ */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .52s cubic-bezier(.22,.61,.36,1),transform .52s cubic-bezier(.22,.61,.36,1);
}
.reveal.is-visible{opacity:1;transform:translateY(0)}

/* ============ RESPONSIVE ============ */
@media (max-width:1279px){
  .section{padding:96px 0}
}
@media (max-width:1023px){
  .nav-links{
    position:fixed;
    left:0;
    right:0;
    top:72px;
    bottom:0;
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:24px 24px 40px;
    background:var(--paper);
    border-top:1px solid var(--line);
    overflow-y:auto;
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity .28s ease,transform .28s ease,visibility .28s;
  }
  .site-header.nav-open .nav-links{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-link{
    width:100%;
    font-size:23px;
    font-weight:500;
    padding:18px 0;
    border-bottom:1px solid var(--line);
  }
  .nav-link::after{display:none}
  .nav-link.active{color:var(--brand-deep)}
  .nav-cta-mobile{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    margin-top:28px;
    min-height:48px;
    padding:0 26px;
    border-radius:var(--r-pill);
    background:var(--brand);
    color:#06251A;
    font-size:15px;
    font-weight:600;
    letter-spacing:.03em;
  }
  .nav-right-desktop{display:none}
  .burger{display:flex}
  .section{padding:88px 0}
  .section-head{grid-template-columns:1fr;gap:20px;align-items:start;padding-bottom:32px;margin-bottom:44px}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:72px 0 40px;min-height:0}
  .hero-media{order:-1;max-width:640px}
  .hero-desc{max-width:none}
  .faq-wrap{grid-template-columns:1fr;gap:36px}
  .consult{grid-template-columns:1fr;gap:40px}
  .countdown-bar{grid-template-columns:1fr;gap:26px;padding:30px 28px}
  .cd-title,.cd-text{padding-left:0;border-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px 0}
  .footer-col{padding:0 28px}
  .footer-col:nth-child(odd){border-left:0;padding-left:0}
  .footer-col:nth-child(even){padding-right:0}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .section-tight{padding:40px 0}
  .section-title{font-size:26px}
  .section-note{font-size:14.5px}
  .hero-title{font-size:clamp(28px,7.4vw,36px)}
  .hero-sub{font-size:17px}
  .hero-actions .btn{flex:1 1 auto}
  .trust-item{flex:1 1 45%;padding:20px 20px 22px}
  .trust-item:nth-child(odd){border-left:0;padding-left:0}
  .trust-item:first-child{padding-left:0}
  .trust-num{font-size:22px}
  .tl-item{grid-template-columns:52px 1fr;gap:16px;padding-bottom:28px}
  .tl-index{font-size:26px}
  .tl-stem{left:4px;top:36px;bottom:-28px}
  .tl-card{padding:22px 20px 24px;border-radius:var(--r-md)}
  .tl-title{font-size:19px}
  .rules-grid{grid-template-columns:1fr;gap:20px}
  .rule-panel{padding:24px 20px;border-radius:var(--r-md)}
  .rule-row{flex-direction:column;align-items:flex-start;gap:6px}
  .rule-value{text-align:left}
  .countdown-bar{border-radius:var(--r-md)}
  .cd-num{font-size:38px}
  .cd-sep{font-size:26px}
  .faq-q{font-size:16.5px;padding:20px 0}
  .faq-a-inner{padding-right:0}
  .form-card{padding:26px 22px 30px;border-radius:var(--r-md)}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .footer-col{padding:0;border-left:0;border-top:1px solid var(--line-dark);padding-top:26px}
  .footer-col:first-child{border-top:0;padding-top:0}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .brand-main{font-size:17px}
  .brand-sub{font-size:10px;padding:3px 7px}
  .hero-media{aspect-ratio:4/3}
  .btn{width:100%;padding:0 18px}
  .hero-actions{gap:12px}
  .cd-num{font-size:32px}
  .contact-list li{flex-direction:column;align-items:flex-start;gap:4px}
  .contact-list strong{text-align:left}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .cd-num.flip{animation:none}
  .btn:hover,.nav-cta:hover,.tl-card:hover,.rule-panel:hover{transform:none}
  .footer-links a:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --ink:#0D0F12;
  --ink-2:#1A1E24;
  --paper:#F6F5F2;
  --paper-card:#FFFFFF;
  --brand:#12D08A;
  --brand-deep:#067A52;
  --accent:#FF6B2C;
  --accent2:#6E56F8;
  --text:#23272E;
  --muted:#6B7280;
  --line:#E3E1DB;
  --line-dark:rgba(255,255,255,.08);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,15,18,.04),0 8px 24px -12px rgba(13,15,18,.14);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
input,select,textarea{font:inherit;color:inherit}
::selection{background:rgba(18,208,138,.24)}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%}
.section{padding:112px 0}
.section-tight{padding:64px 0}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,242,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled{
  background:rgba(246,245,242,.97);
  border-bottom-color:#D8D5CD;
  box-shadow:0 10px 30px -24px rgba(13,15,18,.6);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:flex;flex-direction:column;line-height:1.06;flex:none}
.brand-main{font-size:18px;font-weight:900;letter-spacing:-.02em;color:var(--ink)}
.brand-sub{font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--brand-deep);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  font-size:15px;font-weight:500;letter-spacing:.02em;color:var(--text);
  padding:8px 0;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brand);transition:width .24s ease;
}
.nav-link:hover{color:var(--brand-deep)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::after{width:100%}
.nav-right-desktop{display:flex;align-items:center;gap:16px;flex:none}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--brand);color:#06251A;font-size:14px;font-weight:700;letter-spacing:.02em;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{background:#0FBE7E;transform:translateY(-2px);box-shadow:0 12px 26px -14px rgba(18,208,138,.8)}
.nav-cta:active{background:var(--brand-deep);transform:translateY(0)}
.burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:transparent;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color .2s ease;
}
.burger:hover{border-color:var(--brand)}
.burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .24s ease,opacity .24s ease}
body.nav-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .burger span:nth-child(2){opacity:0}
body.nav-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-drawer{
  position:fixed;left:0;right:0;top:72px;bottom:0;z-index:55;
  background:rgba(246,245,242,.985);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  display:flex;flex-direction:column;justify-content:space-between;
  padding:28px 20px 40px;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease;
  overflow-y:auto;
}
body.nav-open .nav-drawer{opacity:1;visibility:visible;transform:none}
.drawer-links{display:flex;flex-direction:column}
.drawer-link{
  font-size:24px;font-weight:500;letter-spacing:-.01em;
  padding:16px 0;border-bottom:1px solid var(--line);
  transition:color .2s ease,padding-left .2s ease;
}
.drawer-link:hover,.drawer-link.active{color:var(--brand-deep);padding-left:6px}
body.nav-open .drawer-link{animation:drawerIn .4s cubic-bezier(.22,.61,.36,1) both}
body.nav-open .drawer-link:nth-child(1){animation-delay:.04s}
body.nav-open .drawer-link:nth-child(2){animation-delay:.08s}
body.nav-open .drawer-link:nth-child(3){animation-delay:.12s}
body.nav-open .drawer-link:nth-child(4){animation-delay:.16s}
body.nav-open .drawer-link:nth-child(5){animation-delay:.2s}
@keyframes drawerIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.drawer-cta{height:52px;font-size:16px;width:100%;margin-top:32px}

/* ============ 内页 Hero ============ */
.page-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.3}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(158deg,rgba(13,15,18,.84) 0%,rgba(13,15,18,.93) 52%,rgba(13,15,18,.98) 100%),
    radial-gradient(120% 88% at 84% 8%,rgba(18,208,138,.16),transparent 62%),
    radial-gradient(80% 60% at 6% 96%,rgba(110,86,248,.12),transparent 70%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:56px;align-items:center;padding:64px 0 40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.14em;
  color:var(--brand);
  border:1px solid rgba(18,208,138,.35);
  border-radius:var(--r-pill);
  padding:7px 16px;background:rgba(18,208,138,.07);
}
.eyebrow::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent2)}
.hero-title{
  margin:22px 0 0;
  font-size:clamp(30px,4.4vw,52px);
  font-weight:900;letter-spacing:-.03em;line-height:1.12;
}
.hero-sub{margin:18px 0 0;font-size:17px;line-height:1.7;color:rgba(255,255,255,.76);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-figure{margin:0;position:relative}
.hero-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid rgba(18,208,138,.28);
  box-shadow:0 0 44px -14px rgba(18,208,138,.4);
}
.hero-figure figcaption{
  margin-top:12px;font-size:13px;letter-spacing:.04em;color:rgba(255,255,255,.52);
}
.hero-foot{position:relative;z-index:2;padding:0 0 26px}
.breadcrumb{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  border-top:1px solid var(--line-dark);
  padding-top:18px;
  font-size:12px;letter-spacing:.06em;color:rgba(255,255,255,.6);
}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(255,255,255,.28)}
.breadcrumb .current{color:#fff;font-weight:600}
.hero-meta{display:flex;gap:26px;flex-wrap:wrap;margin-top:28px}
.hero-meta div{display:flex;flex-direction:column;gap:4px;padding-left:16px;border-left:1px solid var(--line-dark)}
.hero-meta b{font-family:var(--font-num);font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;color:#fff}
.hero-meta span{font-size:13px;letter-spacing:.04em;color:rgba(255,255,255,.56)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#06251A}
.btn-primary:hover{background:#0FBE7E;transform:translateY(-2px);box-shadow:0 14px 30px -16px rgba(18,208,138,.85)}
.btn-primary:active{background:var(--brand-deep);transform:translateY(0);color:#fff}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#2A1004}
.btn-accent:hover{background:#FF7C42;transform:translateY(-2px);box-shadow:0 14px 30px -16px rgba(255,107,44,.85)}
.btn-block{width:100%}

/* ============ 通知条 ============ */
.notice-bar{background:var(--ink-2);color:#fff;padding:26px 0;position:relative;overflow:hidden}
.notice-bar::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.045) 0 1px,transparent 1px 14px);
  opacity:.6;
}
.notice-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.notice-text{margin:0;font-size:15px;line-height:1.7;color:rgba(255,255,255,.76);max-width:64ch}
.notice-text b{color:#fff;font-weight:700}

/* ============ 区块标题 ============ */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px}
.section-label{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--brand-deep)}
.section-title{margin:12px 0 0;font-size:clamp(26px,3.2vw,40px);font-weight:900;letter-spacing:-.03em;line-height:1.16}
.section-sub{margin:14px 0 0;font-size:16px;line-height:1.75;color:var(--muted);max-width:56ch}
.head-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;letter-spacing:.02em;color:var(--brand-deep);
  padding-bottom:4px;border-bottom:1px solid var(--line);
  transition:border-color .2s ease,color .2s ease;
}
.head-link:hover{border-color:var(--brand);color:var(--ink)}

/* ============ FAQ 布局与目录 ============ */
.faq-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:64px;align-items:start}
.toc{position:sticky;top:104px}
.toc-title{
  margin:0 0 14px;font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--muted);text-transform:uppercase;
}
.toc-links{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.toc-link{
  display:flex;align-items:center;gap:10px;
  padding:12px 0;border-bottom:1px solid var(--line);
  font-size:15px;font-weight:500;color:var(--text);
  transition:color .2s ease,padding-left .2s ease;
}
.toc-link::before{
  content:"";width:5px;height:5px;border-radius:50%;
  background:var(--line);flex:none;transition:background .2s ease,transform .2s ease;
}
.toc-link:hover{color:var(--brand-deep);padding-left:5px}
.toc-link:hover::before{background:var(--brand);transform:scale(1.2)}
.toc-divider{margin:32px 0}

.faq-main{min-width:0}
.faq-group{margin-bottom:72px;scroll-margin-top:120px}
.faq-group:last-child{margin-bottom:0}
.group-head{
  display:flex;align-items:baseline;gap:16px;
  padding-bottom:18px;border-bottom:2px solid var(--ink);
}
.group-index{
  font-family:var(--font-num);font-size:14px;font-weight:700;
  letter-spacing:.06em;color:var(--brand-deep);font-variant-numeric:tabular-nums;
}
.group-title{margin:0;font-size:clamp(21px,2.3vw,27px);font-weight:900;letter-spacing:-.02em;line-height:1.3}
.group-note{margin:12px 0 26px;font-size:15px;line-height:1.75;color:var(--muted);max-width:60ch}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);transition:border-color .24s ease}
.faq-item:hover{border-bottom-color:#CFCCC3}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:22px;
  padding:22px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-size:18px;font-weight:500;line-height:1.55;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-deep)}
.faq-item.open .faq-q{color:var(--ink);font-weight:700}
.faq-icon{
  position:relative;width:16px;height:16px;flex:none;margin-top:6px;color:var(--muted);
  transition:transform .26s ease,color .26s ease;
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;opacity:0;transition:max-height .32s cubic-bezier(.22,.61,.36,1),opacity .26s ease}
.faq-item.open .faq-a{opacity:1}
.faq-a p{margin:0;padding:0 46px 26px 0;font-size:16px;line-height:1.8;color:var(--muted)}
.faq-a p + p{padding-top:10px}

/* ============ 标签索引 ============ */
.tag-section{padding:0 0 96px}
.tag-row{
  display:flex;flex-wrap:wrap;gap:12px;
  padding:28px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.tag{
  display:inline-flex;align-items:center;min-height:36px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--paper-card);font-size:14px;color:var(--muted);
  transition:border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.tag:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh-1)}
.tag:active{transform:translateY(0)}

/* ============ 咨询表单 ============ */
.consult{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.consult::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;opacity:.5;pointer-events:none;
}
.consult-inner{position:relative;z-index:2;max-width:760px;margin:0 auto;text-align:center}
.consult h2{margin:14px 0 0;font-size:clamp(26px,3.2vw,40px);font-weight:900;letter-spacing:-.03em;line-height:1.16}
.consult p.lead{margin:16px auto 0;font-size:16px;line-height:1.8;color:rgba(255,255,255,.72);max-width:52ch}
.consult-card{
  margin-top:44px;text-align:left;
  background:var(--ink-2);
  border:1px solid rgba(18,208,138,.28);
  border-radius:var(--r-lg);
  box-shadow:0 0 46px -16px rgba(18,208,138,.35);
  padding:36px 34px;
}
.mini-form{display:grid;gap:26px}
.field{position:relative;display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;letter-spacing:.06em;color:rgba(255,255,255,.6);font-weight:500}
.field input,.field select,.field textarea{
  width:100%;background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.16);
  padding:12px 0;font-size:16px;color:#fff;border-radius:0;
  transition:border-color .22s ease;
}
.field textarea{resize:vertical;min-height:96px;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,rgba(255,255,255,.5) 50%),linear-gradient(135deg,rgba(255,255,255,.5) 50%,transparent 50%);background-position:calc(100% - 14px) 22px,calc(100% - 9px) 22px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field select option{color:var(--ink)}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.34)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-bottom-color:var(--brand)}
.field::after{
  content:"";position:absolute;left:-14px;bottom:32px;width:5px;height:5px;border-radius:50%;
  background:var(--accent2);opacity:0;transition:opacity .22s ease;
}
.field.is-focus::after{opacity:1}
.field.has-error input,.field.has-error textarea{border-bottom-color:var(--accent)}
.field-err{margin:0;font-size:13px;color:#FF9061}
.check{display:flex;align-items:flex-start;gap:12px;font-size:14px;line-height:1.6;color:rgba(255,255,255,.66)}
.check input{width:18px;height:18px;margin-top:2px;accent-color:var(--brand);flex:none}
.form-msg{margin:0;font-size:14px;color:#FF9061;min-height:20px}
.form-success{
  border:1px dashed rgba(18,208,138,.5);border-radius:var(--r-md);
  padding:28px 24px;text-align:center;
}
.form-success b{display:block;font-size:18px;font-weight:700;color:#fff;margin-bottom:10px}
.form-success span{display:block;font-size:15px;line-height:1.8;color:rgba(255,255,255,.7)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:76px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:0}
.footer-col{padding:0 28px;border-left:1px solid var(--line-dark)}
.footer-col:first-child{padding-left:0;border-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand-main{font-size:20px;font-weight:900;letter-spacing:-.02em;color:#fff}
.footer-brand-sub{font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--brand);margin-top:6px}
.footer-about{margin:18px 0 0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.58);max-width:34ch}
.footer-title{margin:0 0 18px;font-size:13px;font-weight:700;letter-spacing:.12em;color:#fff}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s ease,transform .2s ease;transform:translateX(0)}
.footer-links a:hover{color:var(--brand);transform:translateX(-2px)}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-bottom a:hover{color:var(--brand)}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .52s cubic-bezier(.22,.61,.36,1),transform .52s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .footer-col{padding:0 20px}
}
@media (max-width:1023px){
  .nav-links,.nav-right-desktop{display:none}
  .burger{display:inline-flex}
  .section{padding:72px 0}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:48px 0 32px}
  .hero-figure{max-width:520px}
  .faq-layout{grid-template-columns:1fr;gap:40px}
  .toc{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;align-items:start}
  .toc-divider{display:none}
  .toc-links{margin-bottom:20px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 0}
  .footer-col:nth-child(3){border-left:0;padding-left:0}
}
@media (max-width:767px){
  .section{padding:64px 0}
  .section-head{margin-bottom:32px}
  .hero-title{font-size:clamp(28px,7.6vw,40px)}
  .hero-sub{font-size:16px}
  .hero-meta{gap:18px}
  .hero-meta b{font-size:19px}
  .consult-card{padding:26px 20px}
  .faq-a p{padding-right:24px}
  .faq-q{font-size:17px;gap:16px}
  .group-head{flex-direction:column;gap:8px}
  .toc{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .footer-col{padding:0;border-left:0}
  .footer-bottom{flex-direction:column;gap:10px}
}
@media (max-width:519px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .btn{padding:0 20px}
  .tag{font-size:13px;padding:0 13px}
  .doctor-note{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}