/* roulang page: index */
:root{
  --ink:#0E211D;
  --ink-2:#16302A;
  --lime:#A3E635;
  --lime-dark:#8FD42A;
  --orange:#FF6B2C;
  --bg:#F7F8F4;
  --card:#FFFFFF;
  --surface-2:#EEF1EA;
  --line:#E2E6DD;
  --text:#16211D;
  --text-2:#5C6862;
  --text-3:#8C968F;
  --line-dark:rgba(255,255,255,.12);
  --r-s:8px;
  --r-m:12px;
  --r-l:16px;
  --pill:999px;
  --sh-1:0 1px 2px rgba(14,33,29,.04),0 8px 24px rgba(14,33,29,.06);
  --sh-2:0 12px 32px rgba(14,33,29,.10);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
h1{font-weight:800}
h2{font-weight:700}
h3{font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover,a:focus{color:var(--ink)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
table{border-collapse:collapse;width:100%}
::selection{background:rgba(163,230,53,.35)}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px}

/* ---------- 布局基础 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--muted{background:var(--surface-2)}
.section--ink{background:var(--ink);color:#F2F5EF}
.section--ink h2,.section--ink h3{color:#F2F5EF}
.section__head{max-width:720px;margin-bottom:40px}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center}
.section__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--text-3);text-transform:uppercase;
  margin-bottom:12px;
}
.section__eyebrow::before{content:"";width:18px;height:2px;background:var(--lime);border-radius:2px}
.section__head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;margin-bottom:14px}
.section__head p{font-size:16px;color:var(--text-2)}
.section--ink .section__head p{color:rgba(255,255,255,.72)}
.section--ink .section__eyebrow{color:rgba(255,255,255,.6)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--pill);
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  border:1.5px solid transparent;background:transparent;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--lime);color:var(--ink);box-shadow:0 6px 18px rgba(163,230,53,.28)}
.btn--primary:hover,.btn--primary:focus{background:var(--lime-dark);color:var(--ink);transform:translateY(-1px);box-shadow:0 12px 26px rgba(143,212,42,.34)}
.btn--primary:active{transform:translateY(0);background:#82c425}
.btn--outline{border-color:var(--ink);color:var(--ink)}
.btn--outline:hover,.btn--outline:focus{background:rgba(14,33,29,.06);color:var(--ink)}
.btn--ghost-light{border-color:rgba(255,255,255,.5);color:#fff}
.btn--ghost-light:hover,.btn--ghost-light:focus{border-color:#fff;background:rgba(255,255,255,.1);color:#fff}
.btn--block{width:100%}
.btn--sm{height:40px;padding:0 20px;font-size:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid rgba(14,33,29,.35);padding-bottom:2px;
}
.link-arrow:hover{color:var(--orange);border-color:var(--orange)}
.link-arrow::after{content:"→";font-size:13px}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;border-radius:var(--pill);
  background:var(--surface-2);color:var(--text-2);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.tag--lime{background:rgba(163,230,53,.22);color:#3f5a12}
.tag--dark{background:rgba(255,255,255,.12);color:#F2F5EF}
.dot{width:7px;height:7px;border-radius:50%;background:var(--orange);display:inline-block}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(14,33,29,.06);background:#FBFCF8}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:30px;height:30px;flex:0 0 30px;
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:3px;padding:4px;border-radius:9px;background:var(--ink);
}
.brand__mark i{display:block;background:var(--lime);border-radius:1.5px;opacity:.9}
.brand__mark i:nth-child(5){background:var(--orange)}
.brand__text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-link{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;
  background:var(--lime);border-radius:2px;opacity:0;transform:translateY(4px);
  transition:opacity .16s ease,transform .16s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{opacity:1;transform:translateY(0)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{opacity:1;transform:translateY(0)}
.nav-right{display:flex;align-items:center;gap:18px}
.nav-icon{
  width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);background:none;border:0;cursor:pointer;padding:0;
}
.nav-icon:hover{color:var(--ink)}
.nav-icon svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round}
.nav-toggle{display:none;width:34px;height:34px;background:none;border:0;cursor:pointer;padding:0}
.nav-toggle span{display:block;width:22px;height:1.6px;background:var(--ink);margin:6px auto;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:var(--bg);
  padding:12px 0 20px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;font-size:20px;color:var(--ink);padding:14px 0;
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.is-active{color:var(--ink);font-weight:700}
.mobile-drawer .btn{margin-top:18px}

/* ---------- 状态条 ---------- */
.status-bar{
  background:var(--ink);color:rgba(255,255,255,.78);
  font-size:13px;letter-spacing:.02em;
}
.status-bar .container{
  display:flex;align-items:center;gap:10px;height:40px;flex-wrap:wrap;
}
.status-bar strong{color:#fff;font-weight:600}
.status-bar .bar-line{width:1px;height:12px;background:var(--line-dark)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink)}
.hero__bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.55;
}
.hero__overlay{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,33,29,.94) 0%,rgba(14,33,29,.78) 46%,rgba(14,33,29,.5) 100%);
}
.hero__grid{
  position:absolute;inset:0;opacity:.06;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:22px 22px;
}
.hero__inner{position:relative;z-index:2;padding:104px 0 88px;min-height:560px;display:flex;flex-direction:column;justify-content:center}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:10px;align-self:flex-start;
  height:32px;padding:0 16px;border-radius:var(--pill);
  background:rgba(255,255,255,.1);border:1px solid var(--line-dark);
  color:rgba(255,255,255,.86);font-size:13px;font-weight:600;letter-spacing:.04em;
  margin-bottom:24px;
}
.hero h1{
  color:#fff;font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:800;
  max-width:840px;margin-bottom:20px;
}
.hero__lead{
  color:rgba(255,255,255,.78);font-size:17px;line-height:1.8;
  max-width:640px;margin-bottom:32px;
}
.hero__actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:44px}
.hero__actions .btn--ghost-light{height:48px}
.hero__stats{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.hero__stat{padding:0 28px;border-left:1px solid var(--line-dark)}
.hero__stat:first-child{padding-left:0;border-left:0}
.hero__stat b{
  display:block;font-size:34px;font-weight:700;color:#fff;line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.hero__stat span{font-size:13px;color:rgba(255,255,255,.66);letter-spacing:.04em}

/* ---------- 对比表 ---------- */
.table-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh-1);overflow:auto;
}
.compare{min-width:760px;border-collapse:separate;border-spacing:0;margin:0;background:transparent}
.compare thead th{
  text-align:left;font-size:14px;font-weight:700;color:var(--text-2);
  padding:22px 24px;background:var(--surface-2);
  border-bottom:1px solid var(--line);letter-spacing:.02em;
}
.compare thead th.col-featured{
  background:rgba(163,230,53,.18);color:var(--ink);position:relative;
}
.compare thead th.col-featured::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--lime);
}
.compare tbody td{
  padding:18px 24px;font-size:15px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.compare tbody tr:last-child td{border-bottom:0}
.compare tbody td:first-child{color:var(--ink);font-weight:600}
.compare tbody tr:hover td{background:#FBFCF7}
.compare td.col-featured{background:rgba(163,230,53,.07)}
.compare .yes{color:var(--ink);font-weight:700;display:inline-flex;align-items:center;gap:8px}
.compare .yes::before{
  content:"";width:16px;height:16px;border-radius:50%;background:var(--lime);
  display:inline-block;position:relative;flex:0 0 16px;
}
.compare .no{color:var(--text-3);display:inline-flex;align-items:center;gap:8px}
.compare .no::before{content:"";width:14px;height:2px;background:var(--text-3);border-radius:2px;display:inline-block}
.badge-recommend{
  display:inline-flex;align-items:center;gap:6px;
  height:22px;padding:0 10px;border-radius:var(--pill);
  background:var(--orange);color:#fff;font-size:12px;font-weight:700;letter-spacing:.04em;
  margin-left:10px;vertical-align:middle;
}

/* ---------- 等级卡 ---------- */
.tier-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:24px;align-items:start}
.tier{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tier:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.tier__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.tier__name{font-size:20px;font-weight:700;color:var(--ink)}
.tier__price{
  display:flex;align-items:baseline;gap:6px;margin-bottom:18px;
  font-variant-numeric:tabular-nums;
}
.tier__price b{font-size:40px;font-weight:700;color:var(--ink);letter-spacing:-.02em;line-height:1}
.tier__price span{font-size:14px;color:var(--text-3)}
.tier__list{display:flex;flex-direction:column;gap:12px;margin:0 0 24px}
.tier__list li{
  position:relative;padding-left:22px;font-size:15px;color:var(--text-2);line-height:1.7;
}
.tier__list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
  background:var(--lime);transform:rotate(45deg);
}
.tier--featured{
  border:1px solid rgba(163,230,53,.8);border-top:3px solid var(--lime);
  box-shadow:0 18px 40px rgba(14,33,29,.12);padding:32px;
}
.tier--featured .tier__price b{font-size:48px}
.tier--offset-1{margin-top:32px}
.tier--offset-2{margin-top:64px}

/* ---------- 专属内容预览 ---------- */
.preview-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px}
.pv-card{
  position:relative;display:block;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.pv-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.pv-card__media{position:relative;background:var(--surface-2);overflow:hidden}
.pv-card__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.pv-card--lead .pv-card__media img{aspect-ratio:16/9}
.pv-card__corner{
  position:absolute;left:14px;top:14px;
  height:26px;padding:0 12px;border-radius:var(--pill);
  background:rgba(14,33,29,.82);color:#fff;font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;gap:6px;letter-spacing:.04em;
}
.pv-card__corner i{width:6px;height:6px;border-radius:50%;background:var(--orange);display:block}
.pv-card__body{padding:22px 24px 24px}
.pv-card__body h3{font-size:18px;line-height:1.5;margin-bottom:8px}
.pv-card__body p{font-size:15px;color:var(--text-2);line-height:1.75}
.preview-side{display:grid;gap:24px;align-content:start}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  padding:26px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.scene:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.scene__icon{
  width:44px;height:44px;border-radius:var(--r-m);background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--ink);
}
.scene__icon svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.scene h3{font-size:18px;margin-bottom:10px}
.scene p{font-size:15px;color:var(--text-2);line-height:1.8}

/* ---------- CMS 列表 ---------- */
.cms-grid{margin-top:8px}
.cms-grid .cell{padding-bottom:24px}
.cms-card{
  height:100%;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cms-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6DCD0}
.cms-card__top{margin-bottom:14px}
.cms-card__title{font-size:18px;line-height:1.55;margin-bottom:10px}
.cms-card__title a{color:var(--ink)}
.cms-card__title a:hover{color:#3f5a12}
.cms-card__desc{
  font-size:15px;color:var(--text-2);line-height:1.75;margin-bottom:20px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:16px;border-top:1px solid var(--line);
}
.cms-card__date{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.cms-empty{
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-l);
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:32px;
}
.cms-empty span{
  width:44px;height:44px;border-radius:50%;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;color:var(--text-3);
}
.cms-empty p{font-size:15px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:780px;margin:0 auto 0 0}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;cursor:pointer;text-align:left;
  padding:22px 0 22px 0;font-size:17px;font-weight:600;color:var(--ink);
  position:relative;transition:color .18s ease;
}
.faq-item__q:hover{color:#3f5a12}
.faq-item__sign{
  position:relative;flex:0 0 24px;width:24px;height:24px;
}
.faq-item__sign::before,.faq-item__sign::after{
  content:"";position:absolute;left:4px;top:11px;width:16px;height:1.5px;background:var(--ink);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-item__sign::after{transform:rotate(90deg)}
.faq-item.is-open .faq-item__sign::after{transform:rotate(0);opacity:0}
.faq-item__a{
  max-height:0;overflow:hidden;transition:max-height .25s ease;
  padding-left:0;
}
.faq-item__a p{
  font-size:15px;line-height:1.85;color:var(--text-2);
  padding:0 0 24px 18px;border-left:4px solid transparent;
}
.faq-item.is-open .faq-item__a{max-height:340px}
.faq-item.is-open .faq-item__a p{border-left-color:var(--lime)}
.faq-item.is-open .faq-item__q{color:var(--ink)}

/* ---------- CTA 表单 ---------- */
.cta-section{position:relative;overflow:hidden;background:var(--ink);color:#F2F5EF}
.cta-section__bg{
  position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28;
}
.cta-section__veil{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,33,29,.96) 0%,rgba(14,33,29,.86) 55%,rgba(14,33,29,.72) 100%);
}
.cta-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;
  padding:88px 0;align-items:center;
}
.cta-copy h2{color:#fff;font-size:clamp(24px,3vw,34px);line-height:1.25;margin-bottom:16px}
.cta-copy p{color:rgba(255,255,255,.74);font-size:16px;line-height:1.85;margin-bottom:26px;max-width:520px}
.cta-points{display:flex;flex-direction:column;gap:12px}
.cta-points li{
  position:relative;padding-left:24px;font-size:15px;color:rgba(255,255,255,.82);
}
.cta-points li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:2px;
  background:var(--lime);transform:rotate(45deg);
}
.join-form{
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-dark);
  border-radius:var(--r-l);
  padding:28px;
}
.join-form .field{margin-bottom:18px}
.join-form label{
  display:block;font-size:13px;font-weight:600;letter-spacing:.04em;
  color:rgba(255,255,255,.72);margin-bottom:8px;
}
.join-form input,.join-form select{
  width:100%;height:48px;padding:0 16px;border-radius:var(--r-m);
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);
  color:#fff;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
}
.join-form input::placeholder{color:rgba(255,255,255,.4)}
.join-form select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,rgba(255,255,255,.7) 50%),linear-gradient(135deg,rgba(255,255,255,.7) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.join-form select option{color:#16211D}
.join-form input:focus,.join-form select:focus{
  outline:none;border-color:var(--lime);box-shadow:0 0 0 4px rgba(163,230,53,.22);
}
.join-form .btn{margin-top:6px}
.form-note{font-size:12px;color:rgba(255,255,255,.5);margin-top:14px;line-height:1.7}
.form-error{display:none;font-size:13px;color:var(--orange);margin-top:8px}
.form-error.is-show{display:block}
.join-form input.is-error{border-color:var(--orange);box-shadow:0 0 0 4px rgba(255,107,44,.18)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:72px}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:0;
  border-top:1px solid var(--line-dark);
}
.footer-col{padding:32px 28px 40px;border-right:1px solid var(--line-dark)}
.footer-col:first-child{padding-left:0}
.footer-col:last-child{border-right:0;padding-right:0}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand__mark{background:rgba(255,255,255,.08)}
.footer-brand span{font-size:16px;font-weight:800;color:#fff}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:280px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:var(--lime)}
.footer-col .contact-line{font-size:14px;color:rgba(255,255,255,.66);margin-bottom:8px;font-variant-numeric:tabular-nums}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom span{font-size:13px;color:rgba(255,255,255,.42)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .nav-links{gap:22px}
  .tier-grid{grid-template-columns:1fr 1fr}
  .tier--featured{grid-column:span 2}
  .tier--offset-1,.tier--offset-2{margin-top:0}
}
@media screen and (max-width:991px){
  .section{padding:64px 0}
  .section--tight{padding:56px 0}
  .nav-links{display:none}
  .nav-toggle{display:block}
  .hero__inner{padding:80px 0 64px;min-height:auto}
  .preview-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr 1fr}
  .cta-grid{grid-template-columns:1fr;gap:32px;padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-col{border-right:0;padding:28px 0 28px 0;border-bottom:1px solid var(--line-dark)}
  .footer-col:nth-child(2n){border-bottom:1px solid var(--line-dark)}
  .footer-col h4{margin-bottom:12px}
}
@media screen and (max-width:767px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .section__head{margin-bottom:28px}
  .hero__inner{padding:64px 0 52px}
  .hero__lead{font-size:16px}
  .hero__stat{padding:0 18px}
  .hero__stat b{font-size:26px}
  .hero__actions .btn{width:100%}
  .status-bar .container{height:auto;padding-top:10px;padding-bottom:10px;gap:8px}
  .tier-grid{grid-template-columns:1fr}
  .tier--featured{grid-column:span 1}
  .scene-grid{grid-template-columns:1fr}
  .table-wrap{border-radius:var(--r-m)}
  .compare{min-width:620px}
  .compare thead th,.compare tbody td{padding:14px 16px}
  .faq-item__q{font-size:16px}
  .join-form{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-col{border-bottom:1px solid var(--line-dark)}
}
@media screen and (max-width:520px){
  .brand__text{font-size:15px}
  .hero h1{font-size:28px}
  .tier__price b{font-size:34px}
  .tier--featured .tier__price b{font-size:38px}
  .compare{min-width:540px}
}

/* roulang page: article */
:root{
  --ink:#0E211D;
  --ink-2:#16302A;
  --lime:#A3E635;
  --lime-2:#8FD42A;
  --orange:#FF6B2C;
  --bg:#F7F8F4;
  --card:#FFFFFF;
  --soft:#EEF1EA;
  --line:#E2E6DD;
  --text:#16211D;
  --text-2:#5C6862;
  --text-3:#8C968F;
  --on-dark:#F2F5EF;
  --on-dark-2:rgba(255,255,255,.72);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,33,29,.04), 0 8px 24px rgba(14,33,29,.06);
  --sh-2:0 12px 32px rgba(14,33,29,.10);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:64px;
  --sp-7:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--text);line-height:1.3;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
button,input,textarea,select{font:inherit;color:inherit}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sp-7) 0}
.section--tight{padding:var(--sp-6) 0}
.section-head{max-width:780px;margin-bottom:var(--sp-5)}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700}
.section-head p{margin-top:16px;color:var(--text-2);font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:var(--text-3);text-transform:none}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--lime);display:inline-block}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  cursor:pointer;transition:background-color .18s,color .18s,transform .18s,box-shadow .18s,border-color .18s;
  white-space:nowrap;
}
.btn--primary{background:var(--lime);color:var(--ink);box-shadow:0 6px 18px rgba(163,230,53,.28)}
.btn--primary:hover{background:var(--lime-2);color:var(--ink);transform:translateY(-1px);box-shadow:0 12px 26px rgba(163,230,53,.34)}
.btn--primary:active{transform:translateY(0);background:#7CBE1F}
.btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn--ghost:hover{background:rgba(14,33,29,.06)}
.btn--sm{height:40px;padding:0 20px;font-size:14px}
.btn--text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line);padding-bottom:2px;transition:color .18s,border-color .18s}
.btn--text:hover{color:var(--orange);border-color:var(--orange)}
.btn--on-dark{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn--on-dark:hover{background:rgba(255,255,255,.10)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,248,244,.96);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.brand__mark{width:26px;height:26px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:2px;flex:0 0 auto}
.brand__mark i{display:block;border-radius:2px;background:var(--ink);opacity:.85}
.brand__mark i:nth-child(2),.brand__mark i:nth-child(5),.brand__mark i:nth-child(8){background:var(--lime);opacity:1}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-link{position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--text-2);transition:color .16s}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-3px;width:24px;height:2px;background:var(--lime);
  opacity:0;transform:translateX(-50%) translateY(3px);transition:opacity .16s,transform .16s;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{opacity:.55;transform:translateX(-50%) translateY(0)}
.nav-link.is-active{color:var(--text);font-weight:700}
.nav-link.is-active::after{opacity:1;transform:translateX(-50%) translateY(0)}
.header-actions{display:flex;align-items:center;gap:14px}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);
  transition:color .16s,border-color .16s,transform .16s;
}
.icon-btn:hover{color:var(--ink);border-color:#C9D0C4;transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.5;fill:none}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:16px;height:1.5px;background:var(--ink);position:relative}
.nav-toggle span::after{content:"";position:absolute;left:0;top:5px;width:16px;height:1.5px;background:var(--ink)}
.nav-toggle span::before{content:"";position:absolute;left:0;top:-5px;width:16px;height:1.5px;background:var(--ink)}

/* 面包屑 */
.crumbs{padding:22px 0 0;font-size:14px;color:var(--text-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--ink)}
.crumbs .sep{color:#C3CAC0}
.crumbs .cur{color:var(--text-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头 */
.article-head{padding:28px 0 28px;border-bottom:1px solid var(--line)}
.article-head .wrap{max-width:780px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--soft);color:var(--ink-2);font-size:13px;letter-spacing:.04em;font-weight:600;
}
.article-head h1{
  margin-top:18px;
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.01em;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px;font-size:14px;color:var(--text-3)}
.meta-row i{width:1px;height:12px;background:var(--line);display:inline-block}

/* 正文 */
.article-wrap{padding:56px 0 24px}
.article-body{max-width:780px;font-size:17px;line-height:1.9;color:var(--text);overflow-wrap:break-word;word-break:break-word}
.article-body > * + *{margin-top:20px}
.article-body h2{
  font-size:clamp(22px,2.5vw,28px);line-height:1.4;font-weight:700;
  margin-top:48px;margin-bottom:16px;padding-left:14px;border-left:4px solid var(--lime);
}
.article-body h3{font-size:20px;line-height:1.45;font-weight:600;margin-top:32px;margin-bottom:12px}
.article-body p{margin:0}
.article-body strong{font-weight:700;color:var(--ink)}
.article-body ul{list-style:disc;padding-left:22px}
.article-body ol{list-style:decimal;padding-left:22px}
.article-body li{margin:8px 0}
.article-body blockquote{
  margin:28px 0;padding:18px 20px;background:var(--soft);border-left:3px solid var(--orange);
  border-radius:0 var(--r-md) var(--r-md) 0;color:var(--text-2);font-size:16px;line-height:1.85;
}
.article-body img{border-radius:var(--r-md);margin:26px auto}
.article-body figure{margin:26px 0}
.article-body figcaption,.article-body .caption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body table{width:100%;margin:26px 0;font-size:15px}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.article-body th{background:var(--soft);font-weight:600;color:var(--ink)}
.article-body a{color:var(--ink);text-decoration:underline;text-decoration-color:rgba(14,33,29,.32);text-underline-offset:3px}
.article-body a:hover{color:var(--orange);text-decoration-color:var(--orange)}
.article-body code{background:var(--soft);padding:2px 6px;border-radius:6px;font-size:15px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.empty-state{
  max-width:780px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:56px 32px;text-align:center;box-shadow:var(--sh-1);
}
.empty-title{font-size:20px;font-weight:700;color:var(--ink)}
.empty-state p{margin-top:12px;color:var(--text-2);font-size:15px}
.empty-state .btn{margin-top:24px}

/* 文末标签与分享 */
.article-foot{
  max-width:780px;margin:48px auto 0;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13px;color:var(--text-3)}
.chip{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--soft);color:var(--text-2);font-size:13px;
}
.share-row{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-3)}
.share-row button{
  background:none;border:1px solid var(--line);border-radius:var(--r-pill);height:32px;padding:0 14px;
  font-size:13px;color:var(--text-2);cursor:pointer;transition:color .16s,border-color .16s;
}
.share-row button:hover{color:var(--ink);border-color:#C9D0C4}

/* 相关推荐卡片 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .2s,box-shadow .2s;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.card__media{aspect-ratio:16/10;background:var(--soft);overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.card:hover .card__media img{transform:scale(1.03)}
.card__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card__title{font-size:18px;font-weight:600;line-height:1.45;transition:color .18s}
.card:hover .card__title{color:var(--ink-2)}
.card__desc{font-size:15px;line-height:1.75;color:var(--text-2)}
.card__meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);
}
.card__meta .num{font-variant-numeric:tabular-nums;font-weight:700;color:var(--text-2)}

/* CTA 条 */
.cta-strip{
  background:var(--ink);border-radius:var(--r-lg);padding:36px;color:var(--on-dark);
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-strip::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:radial-gradient(circle,#fff 1px,transparent 1px);
  background-size:14px 14px;
}
.cta-strip > *{position:relative;z-index:1}
.cta-strip h2{color:#fff;font-size:clamp(20px,2.4vw,26px);line-height:1.35}
.cta-strip p{margin-top:10px;color:var(--on-dark-2);font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--ink);color:var(--on-dark);margin-top:var(--sp-7);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-col + .footer-col{border-left:1px solid rgba(255,255,255,.12);padding-left:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-brand .brand__mark i{background:rgba(255,255,255,.9)}
.footer-brand .brand__mark i:nth-child(2),
.footer-brand .brand__mark i:nth-child(5),
.footer-brand .brand__mark i:nth-child(8){background:var(--lime)}
.footer-col p{font-size:14px;line-height:1.85;color:var(--on-dark-2)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--on-dark-2);transition:color .16s}
.footer-col ul li a:hover{color:var(--lime)}
.contact-line{font-size:14px;color:var(--on-dark-2);margin-bottom:10px}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p,.footer-bottom span{font-size:13px;color:rgba(255,255,255,.58)}

@media (max-width:1199px){
  .nav-links{gap:24px}
  .header-inner{gap:20px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .nav-links{gap:18px}
  .nav-link{font-size:14px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-col + .footer-col{border-left:0;padding-left:0}
}
@media (max-width:860px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:fixed;left:0;right:0;top:60px;z-index:55;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    padding:8px 24px 24px;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .2s,transform .2s,visibility .2s;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-link{display:block;width:100%;padding:14px 0;font-size:18px;color:var(--text);border-bottom:1px solid var(--line)}
  .nav-link::after{display:none}
  .header-inner{height:60px}
  .header-actions .btn{display:none}
  .article-wrap{padding:40px 0 16px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .section--tight{padding:40px 0}
  .btn{height:44px;padding:0 22px}
  .card-grid{grid-template-columns:1fr}
  .article-body{font-size:17px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:28px 22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .crumbs .cur{max-width:220px}
}
@media (max-width:400px){
  .brand{font-size:15px}
  .icon-btn{display:none}
}

/* roulang page: category1 */
:root{
  --ink:#0E211D;
  --ink-2:#16302A;
  --lime:#A3E635;
  --lime-dark:#8FD42A;
  --orange:#FF6B2C;
  --bg:#F7F8F4;
  --card:#FFFFFF;
  --surface-2:#EEF1EA;
  --line:#E2E6DD;
  --text:#16211D;
  --text-2:#5C6862;
  --text-3:#8C968F;
  --on-dark:#F2F5EF;
  --on-dark-2:rgba(255,255,255,.72);
  --line-dark:rgba(255,255,255,.12);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,33,29,.04),0 8px 24px rgba(14,33,29,.06);
  --sh-2:0 12px 32px rgba(14,33,29,.10);
  --container:1200px;
  --sect:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:-0.02em}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--sect) 0}
.section--tight{padding:72px 0}
.section-head{max-width:780px;margin-bottom:40px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:var(--text-3);margin-bottom:14px}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:block}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:800;letter-spacing:-0.01em}
h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;margin-bottom:18px}
h3{font-size:20px;line-height:1.4;font-weight:600}
.lead{font-size:17px;line-height:1.85;color:var(--text-2)}
.muted{color:var(--text-2)}
.small{font-size:14px;color:var(--text-3)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 1px 2px rgba(14,33,29,.06)}
.btn-primary:hover{background:var(--lime-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(14,33,29,.16)}
.btn-primary:active{transform:translateY(0);background:#7DBF24}
.btn-ghost{background:transparent;border:1.5px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:rgba(14,33,29,.06)}
.btn-ghost:active{background:rgba(14,33,29,.1)}
.btn-on-dark{background:transparent;border:1.5px solid rgba(255,255,255,.6);color:#fff}
.btn-on-dark:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--ink);padding-bottom:2px}
.btn-link:hover{color:var(--orange);border-color:var(--orange)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(247,248,244,.94);
  border-bottom:1px solid var(--line);
}
.site-header.is-scrolled{background:#F1F3EC;box-shadow:0 4px 18px rgba(14,33,29,.05)}
.header-inner{display:flex;align-items:center;gap:32px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-0.01em;color:var(--ink)}
.brand__mark{display:grid;grid-template-columns:repeat(3,4px);grid-template-rows:repeat(3,4px);gap:2px;flex:none}
.brand__mark i{display:block;width:4px;height:4px;border-radius:1px;background:var(--ink);opacity:.85}
.brand__mark i:nth-child(2),.brand__mark i:nth-child(5),.brand__mark i:nth-child(7){background:var(--lime)}
.nav-links{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 0;font-weight:500}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--lime);opacity:0;transform:translateY(3px);transition:opacity .16s ease,transform .16s ease}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{opacity:.55;transform:translateY(0)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{opacity:1;transform:translateY(0)}
.header-actions{display:flex;align-items:center;gap:14px}
.icon-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
.icon-btn:hover{color:var(--ink);border-color:var(--ink);background:var(--surface-2)}
.menu-toggle{display:none;width:40px;height:40px;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}
.menu-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.menu-toggle.is-open span:first-child{transform:translateY(3.2px) rotate(45deg)}
.menu-toggle.is-open span:last-child{transform:translateY(-3.2px) rotate(-45deg)}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(340px,86vw);background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .26s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:24px 22px;border-left:1px solid var(--line);
  box-shadow:-16px 0 40px rgba(14,33,29,.14);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer nav{display:flex;flex-direction:column;margin-top:8px}
.drawer nav a{font-size:20px;padding:16px 0;border-bottom:1px solid var(--line);color:var(--text);font-weight:600}
.drawer nav a.is-active{color:var(--ink)}
.drawer nav a.is-active::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--lime);margin-right:10px;vertical-align:middle}
.drawer-cta{margin-top:auto;padding-top:20px}
.scrim{position:fixed;inset:0;background:rgba(14,33,29,.42);opacity:0;pointer-events:none;transition:opacity .26s ease;z-index:80}
.scrim.is-open{opacity:1;pointer-events:auto}
body.drawer-open{overflow:hidden}

/* ---------- breadcrumb ---------- */
.crumbs{padding:18px 0 0;font-size:14px;color:var(--text-3)}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--ink)}
.crumbs .sep{margin:0 8px;color:var(--line)}
.crumbs .current{color:var(--text-2)}

/* ---------- hero ---------- */
.page-hero{
  position:relative;margin-top:22px;border-radius:var(--r-lg);overflow:hidden;
  background-image:linear-gradient(100deg,rgba(14,33,29,.88) 0%,rgba(14,33,29,.72) 46%,rgba(14,33,29,.4) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:var(--on-dark);
}
.page-hero__grid{display:grid;grid-template-columns:1.25fr .85fr;gap:48px;align-items:center;padding:64px 56px}
.page-hero .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;letter-spacing:.04em;background:var(--surface-2);color:var(--text-2);
}
.tag--lime{background:var(--lime);color:var(--ink);font-weight:700}
.tag--ghost{background:rgba(255,255,255,.1);color:var(--on-dark-2);border:1px solid var(--line-dark)}
.page-hero h1{color:#fff;margin-bottom:20px}
.page-hero p.lead{color:var(--on-dark-2);max-width:620px;margin-bottom:30px}
.page-hero .btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.stat-strip{display:flex;flex-wrap:wrap;gap:28px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line-dark)}
.stat{min-width:120px}
.stat b{display:block;font-size:30px;line-height:1.2;color:#fff;font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:-0.02em}
.stat span{font-size:13px;color:var(--on-dark-2);letter-spacing:.05em}
.hero-side{background:rgba(255,255,255,.06);border:1px solid var(--line-dark);border-radius:var(--r-md);padding:26px}
.hero-side h3{color:#fff;font-size:17px;margin-bottom:16px}
.hero-side ul li{display:flex;gap:10px;padding:11px 0;border-bottom:1px solid var(--line-dark);font-size:15px;color:var(--on-dark-2)}
.hero-side ul li:last-child{border-bottom:0;padding-bottom:0}
.hero-side ul li i{color:var(--lime);margin-top:5px;font-size:13px}
.hero-side ul li b{color:#fff;font-weight:600;margin-right:6px}

/* ---------- cards ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}

/* ---------- compare table ---------- */
.table-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow-x:auto;
}
table.compare{width:100%;min-width:760px;border-collapse:collapse;font-size:15px}
table.compare thead th{
  text-align:left;padding:20px 22px;font-size:14px;letter-spacing:.05em;color:var(--text-2);
  background:var(--surface-2);border-bottom:1px solid var(--line);font-weight:600;white-space:nowrap;
}
table.compare thead th:first-child{color:var(--text);background:var(--surface-2)}
table.compare thead th.reco{background:var(--ink);color:#fff;position:relative}
table.compare thead th.reco::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--lime)}
table.compare thead th.reco .badge{display:inline-flex;margin-left:8px;background:var(--lime);color:var(--ink);font-size:12px;padding:2px 9px;border-radius:var(--r-pill);font-weight:700}
table.compare tbody td{padding:18px 22px;border-bottom:1px solid var(--line);color:var(--text-2);vertical-align:middle}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody td:first-child{color:var(--text);font-weight:600}
table.compare tbody td.reco{background:rgba(163,230,53,.09)}
table.compare tbody tr:hover td{background:#FBFCF8}
table.compare tbody tr:hover td.reco{background:rgba(163,230,53,.16)}
.cell-yes{color:var(--ink);font-weight:600}
.cell-yes i{color:var(--lime-dark);margin-right:8px}
.cell-no{color:var(--text-3)}
.cell-no i{margin-right:8px}
.table-note{display:flex;gap:12px;align-items:flex-start;margin-top:16px;font-size:14px;color:var(--text-3)}
.table-note i{color:var(--orange);margin-top:5px}

/* ---------- tier cards ---------- */
.tier-grid{display:grid;grid-template-columns:1.12fr .94fr .94fr;gap:24px;align-items:start}
.tier{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);position:relative;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.tier:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.tier--main{border-color:rgba(163,230,53,.85);box-shadow:0 0 0 1px rgba(163,230,53,.4),var(--sh-2);padding:32px}
.tier--main::before{content:"";position:absolute;top:0;left:32px;right:32px;height:3px;border-radius:0 0 3px 3px;background:var(--lime)}
.tier .tier-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.06em;font-weight:700;background:var(--surface-2);color:var(--text-2);
  align-self:flex-start;margin-bottom:16px;
}
.tier--main .tier-badge{background:var(--lime);color:var(--ink)}
.tier h3{font-size:19px;margin-bottom:6px}
.tier .tier-sub{font-size:14px;color:var(--text-3);margin-bottom:18px}
.price{display:flex;align-items:baseline;gap:6px;margin-bottom:20px}
.price b{font-size:44px;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:-0.02em}
.price em{font-style:normal;font-size:14px;color:var(--text-3)}
.tier ul{margin-bottom:24px;flex:1}
.tier ul li{display:flex;gap:10px;font-size:15px;color:var(--text-2);padding:9px 0;border-bottom:1px dashed var(--line)}
.tier ul li:last-child{border-bottom:0}
.tier ul li i{color:var(--lime-dark);margin-top:5px;font-size:13px}
.tier-thumb{margin:-28px -28px 22px;border-radius:var(--r-lg) var(--r-lg) 0 0;overflow:hidden;background:var(--surface-2);aspect-ratio:16/10}
.tier-thumb img{width:100%;height:100%;object-fit:cover}
.tier--main .tier-thumb{margin:-32px -32px 24px}
.tier-foot{display:flex;flex-direction:column;gap:10px}
.tier-foot .small{text-align:center}

/* ---------- path ---------- */
.path-media{border-radius:var(--r-lg);overflow:hidden;background:var(--surface-2);aspect-ratio:4/3;box-shadow:var(--sh-1)}
.path-media img{width:100%;height:100%;object-fit:cover}
.step-list{counter-reset:step}
.step-list li{
  position:relative;padding:0 0 26px 46px;border-left:1px solid var(--line);
}
.step-list li:last-child{border-left-color:transparent;padding-bottom:0}
.step-list li::before{
  counter-increment:step;content:counter(step);
  position:absolute;left:-17px;top:0;width:34px;height:34px;border-radius:50%;
  background:var(--ink);color:var(--lime);font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.step-list h3{font-size:17px;margin-bottom:6px}
.step-list p{font-size:15px;color:var(--text-2)}

/* ---------- info panel ---------- */
.panel-dark{
  background:var(--ink);color:var(--on-dark);border-radius:var(--r-lg);padding:30px;
  position:relative;overflow:hidden;
}
.panel-dark::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:16px 16px;opacity:.7;
}
.panel-dark h3{color:#fff;margin-bottom:14px;position:relative}
.panel-dark ul{position:relative}
.panel-dark ul li{display:flex;gap:10px;font-size:15px;color:var(--on-dark-2);padding:9px 0;border-bottom:1px solid var(--line-dark)}
.panel-dark ul li:last-child{border-bottom:0;padding-bottom:0}
.panel-dark ul li i{color:var(--lime);margin-top:5px;font-size:13px}

/* ---------- faq ---------- */
.faq{max-width:780px}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item::before{content:"";position:absolute;left:-18px;top:22px;width:4px;height:0;background:var(--lime);border-radius:2px;transition:height .2s ease}
.faq-item.is-open::before{height:26px}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:17px;font-weight:600;color:var(--text);
}
.faq-q:hover{color:var(--ink-2)}
.faq-q .mark{flex:none;width:24px;height:24px;position:relative}
.faq-q .mark::before,.faq-q .mark::after{content:"";position:absolute;background:var(--text-2);transition:transform .2s ease,background-color .2s ease}
.faq-q .mark::before{left:0;top:11.5px;width:24px;height:1.5px}
.faq-q .mark::after{top:0;left:11.5px;width:1.5px;height:24px}
.faq-item.is-open .faq-q .mark::after{transform:scaleY(0)}
.faq-item.is-open .faq-q .mark::before{background:var(--ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a p{font-size:15px;line-height:1.85;color:var(--text-2);padding:0 40px 24px 0;margin:0}

/* ---------- cta ---------- */
.cta-band{
  position:relative;background:var(--ink);color:var(--on-dark);overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(14,33,29,.94) 0%,rgba(14,33,29,.82) 55%,rgba(14,33,29,.62) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-band__inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;padding:80px 0}
.cta-band h2{color:#fff}
.cta-band p.lead{color:var(--on-dark-2)}
.cta-points{margin-top:26px;display:grid;gap:12px}
.cta-points li{display:flex;gap:10px;font-size:15px;color:var(--on-dark-2)}
.cta-points li i{color:var(--lime);margin-top:5px;font-size:13px}
.form-card{
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);
  border-radius:var(--r-lg);padding:30px;
}
.form-card h3{color:#fff;font-size:19px;margin-bottom:6px}
.form-card .small{color:var(--on-dark-2);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--on-dark-2);margin-bottom:8px}
.field input,.field select{
  width:100%;height:48px;border-radius:var(--r-md);
  border:1px solid var(--line-dark);background:rgba(255,255,255,.06);color:#fff;
  padding:0 14px;transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field select option{color:#16211D}
.field input::placeholder{color:rgba(255,255,255,.45)}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--lime);
  box-shadow:0 0 0 3px rgba(163,230,53,.25);background:rgba(255,255,255,.1);
}
.field.has-error input,.field.has-error select{border-color:var(--orange)}
.field .err{display:none;font-size:12px;color:var(--orange);margin-top:6px}
.field.has-error .err{display:block}
.form-privacy{font-size:12px;color:rgba(255,255,255,.5);margin-top:14px;line-height:1.7}
.form-ok{
  display:none;margin-top:16px;font-size:14px;color:var(--lime);
  background:rgba(163,230,53,.12);border:1px solid rgba(163,230,53,.35);
  border-radius:var(--r-sm);padding:12px 14px;
}
.form-ok.is-visible{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--on-dark-2);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px}
.footer-col+.footer-col{border-left:1px solid var(--line-dark);padding-left:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand .brand__mark i{background:rgba(255,255,255,.8)}
.footer-brand .brand__mark i:nth-child(2),.footer-brand .brand__mark i:nth-child(5),.footer-brand .brand__mark i:nth-child(7){background:var(--lime)}
.footer-col p{line-height:1.85}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:var(--on-dark-2)}
.footer-col ul a:hover{color:var(--lime)}
.contact-line{margin-bottom:8px}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;
}
.footer-bottom span{color:rgba(255,255,255,.45)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--sect:80px}
  .page-hero__grid{padding:54px 40px;gap:36px}
  .header-inner{gap:22px}
  .nav-links{gap:22px}
}
@media (max-width:991px){
  :root{--sect:64px}
  .nav-links{display:none}
  .menu-toggle{display:flex}
  .header-actions .btn-primary{display:none}
  .page-hero__grid{grid-template-columns:1fr;padding:44px 32px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .tier-grid{grid-template-columns:repeat(2,1fr)}
  .tier--main{grid-column:span 2}
  .split{grid-template-columns:1fr;gap:32px}
  .cta-band__inner{grid-template-columns:1fr;gap:36px;padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-col+.footer-col{border-left:0;padding-left:0}
  .footer-col:nth-child(even){border-left:1px solid var(--line-dark);padding-left:28px}
}
@media (max-width:767px){
  :root{--sect:48px}
  .container{padding:0 18px}
  .header-inner{height:60px}
  h1{font-size:30px}
  .card{padding:22px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .tier-grid{grid-template-columns:1fr}
  .tier--main{grid-column:span 1}
  .tier--main{padding:26px}
  .tier-thumb{margin:-26px -26px 20px}
  .tier--main .tier-thumb{margin:-26px -26px 20px}
  .stat-strip{gap:18px;margin-top:28px}
  .stat b{font-size:24px}
  .btn{height:44px;padding:0 22px;width:100%}
  .btn-row .btn{width:100%}
  .hero-side{padding:20px}
  .faq-item::before{left:-12px}
  .faq-q{font-size:16px;padding:18px 0}
  .footer-grid{grid-template-columns:1fr}
  .footer-col:nth-child(even){border-left:0;padding-left:0}
  .footer-col+.footer-col{padding-top:22px;border-top:1px solid var(--line-dark)}
  .cta-band__inner{padding:48px 0}
  .form-card{padding:22px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .page-hero{margin-top:14px;border-radius:12px}
  .page-hero__grid{padding:34px 20px}
  .page-hero .btn-row{gap:10px}
  .tier{padding:22px}
  .price b{font-size:36px}
}

/* roulang page: category2 */
:root{
  --ink:#0E211D;
  --ink-2:#16302A;
  --lime:#A3E635;
  --lime-dark:#8FD42A;
  --orange:#FF6B2C;
  --bg:#F7F8F4;
  --card:#FFFFFF;
  --surface-2:#EEF1EA;
  --line:#E2E6DD;
  --line-dark:rgba(255,255,255,.12);
  --text:#16211D;
  --text-2:#5C6862;
  --text-3:#8C968F;
  --on-dark:#F2F5EF;
  --on-dark-2:rgba(255,255,255,.72);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-full:999px;
  --sh-1:0 1px 2px rgba(14,33,29,.04), 0 8px 24px rgba(14,33,29,.06);
  --sh-2:0 12px 32px rgba(14,33,29,.10);
  --sec:96px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}

.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
.section{padding:var(--sec) 0}
.section--tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.8}
.eyebrow{font-size:13px;letter-spacing:.06em;color:var(--text-3);font-weight:600;text-transform:uppercase;margin-bottom:12px;display:block}
.num{font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:-.02em}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,248,244,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease, background .22s ease;
}
.site-header.is-scrolled{background:#fff;box-shadow:0 6px 20px rgba(14,33,29,.07)}
.header-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__mark{display:grid;grid-template-columns:repeat(3,4px);grid-template-rows:repeat(3,4px);gap:3px}
.brand__mark i{width:4px;height:4px;border-radius:50%;background:var(--ink);display:block}
.brand__mark i:nth-child(5){background:var(--orange)}
.brand__text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:32px;margin:0 auto}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 0;transition:color .18s ease;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:24px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .16s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);transition:background .18s ease,color .18s ease;
}
.icon-btn:hover{background:var(--surface-2);color:var(--ink)}
.icon-btn i{font-size:17px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:50%;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:20px;height:1.6px;background:var(--ink);border-radius:2px}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-full);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--lime);color:var(--ink)}
.btn--primary:hover{background:var(--lime-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(143,212,42,.34)}
.btn--primary:active{transform:translateY(0);background:#7fc025}
.btn--ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn--ghost:hover{background:rgba(14,33,29,.06)}
.btn--sm{height:40px;padding:0 20px;font-size:14px}
.btn--block{width:100%}
.btn--light{background:transparent;color:var(--on-dark);border:1.5px solid rgba(255,255,255,.55)}
.btn--light:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--ink);padding-bottom:2px;transition:color .18s ease,border-color .18s ease;
}
.link-more:hover{color:var(--orange);border-color:var(--orange)}

/* ============ hero ============ */
.page-hero{
  position:relative;color:var(--on-dark);
  background-image:linear-gradient(rgba(14,33,29,.78),rgba(14,33,29,.78)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:radial-gradient(rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:18px 18px;
}
.hero-inner{position:relative;z-index:2;padding:76px 0 68px}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.62);margin-bottom:24px;flex-wrap:wrap}
.crumb a:hover{color:var(--lime)}
.crumb .sep{opacity:.5}
.crumb .current{color:rgba(255,255,255,.86)}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:800;letter-spacing:-.01em;max-width:20em;
}
.page-hero .hero-sub{
  margin-top:18px;max-width:660px;font-size:17px;line-height:1.8;color:var(--on-dark-2);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-full);font-size:13px;font-weight:600;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.86);border:1px solid var(--line-dark);
}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line-dark)}
.hero-meta div{min-width:120px}
.hero-meta .val{font-size:30px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.02em;color:var(--lime);line-height:1.2}
.hero-meta .lbl{font-size:13px;color:rgba(255,255,255,.62);margin-top:4px}

/* ============ filter chips ============ */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.chip{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 20px;
  border-radius:var(--r-full);border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:var(--text-2);transition:all .18s ease;
}
.chip:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.chip.is-active{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.chip .count{font-size:12px;font-variant-numeric:tabular-nums;opacity:.7}

/* ============ content cards ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.content-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.content-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#d5dbcf}
.thumb{position:relative;aspect-ratio:16/10;background:var(--surface-2);overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.content-card:hover .thumb img{transform:scale(1.03)}
.corner-badge{
  position:absolute;left:12px;top:12px;z-index:2;
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-full);
  font-size:12px;font-weight:700;background:var(--ink);color:var(--on-dark);letter-spacing:.02em;
}
.corner-badge--orange{background:var(--orange);color:#fff}
.corner-badge--lime{background:var(--lime);color:var(--ink)}
.card-body{padding:24px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:18px;line-height:1.45;font-weight:600;letter-spacing:-.01em}
.card-body .desc{margin-top:10px;font-size:15px;line-height:1.75;color:var(--text-2);flex:1}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:20px;padding-top:16px;border-top:1px solid var(--line);
}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-full);
  font-size:12px;font-weight:600;background:var(--surface-2);color:var(--text-2);letter-spacing:.02em;
}
.tag--lime{background:rgba(163,230,53,.22);color:#41601a}
.tag--orange{background:rgba(255,107,44,.14);color:#b84513}
.empty-note{grid-column:1/-1;text-align:center;padding:56px 24px;color:var(--text-3);font-size:15px}
.load-more{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:40px}
.load-more .hint{font-size:13px;color:var(--text-3)}

/* ============ package list ============ */
.pkg-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.pkg-row{
  display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr auto;gap:18px;align-items:center;
  padding:20px 24px;border-bottom:1px solid var(--line);transition:background .18s ease;
}
.pkg-row:last-child{border-bottom:0}
.pkg-row:hover{background:#FBFCF8}
.pkg-row--head{
  background:var(--surface-2);font-size:13px;letter-spacing:.06em;color:var(--text-3);font-weight:600;
  padding:14px 24px;
}
.pkg-name{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:600;color:var(--text)}
.pkg-dot{width:8px;height:8px;border-radius:50%;background:var(--lime);flex-shrink:0}
.pkg-cell{font-size:14px;color:var(--text-2);font-variant-numeric:tabular-nums}
.status{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:#41601a}
.status::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime-dark)}
.status--wait{color:#a8541f}
.status--wait::before{background:var(--orange)}

/* ============ steps ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px 26px;box-shadow:var(--sh-1);
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;background:var(--ink);color:var(--lime);
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:18px;
}
.step h3{font-size:18px;font-weight:600;line-height:1.4}
.step p{margin-top:10px;font-size:15px;color:var(--text-2);line-height:1.8}
.step .tip{margin-top:14px;font-size:13px;color:var(--text-3)}

/* ============ split feature ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split--reverse .split-media{order:2}
.split-media{border-radius:var(--r-lg);overflow:hidden;background:var(--surface-2);box-shadow:var(--sh-1)}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.split-text h3{font-size:clamp(20px,2.2vw,26px);line-height:1.35;font-weight:700;letter-spacing:-.01em}
.split-text p{margin-top:14px;font-size:16px;color:var(--text-2);line-height:1.85}
.plain-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.plain-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.7}
.plain-list li i{color:var(--lime-dark);font-size:14px;margin-top:5px}

/* ============ stats ============ */
.stats{background:var(--ink);color:var(--on-dark);border-radius:var(--r-lg);padding:44px 40px;position:relative;overflow:hidden}
.stats::after{
  content:"";position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.7) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.7) 1px,transparent 1px);
  background-size:32px 32px;
}
.stats-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{border-left:1px solid var(--line-dark);padding-left:24px}
.stat:first-child{border-left:0;padding-left:0}
.stat .val{font-size:40px;line-height:1.1;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.02em;color:var(--lime)}
.stat .lbl{margin-top:8px;font-size:14px;color:var(--on-dark-2)}

/* ============ faq ============ */
.faq-list{max-width:780px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 0 24px 16px;text-align:left;font-size:17px;font-weight:600;line-height:1.6;color:var(--text);
  position:relative;transition:color .18s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:4px;border-radius:2px;background:var(--lime);
  transform:scaleY(0);transform-origin:top;transition:transform .2s ease;
}
.faq-item.is-open .faq-q::before{transform:scaleY(1)}
.faq-q:hover{color:var(--ink)}
.faq-icon{position:relative;width:20px;height:20px;flex-shrink:0}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--text-2);border-radius:2px;transition:transform .2s ease,background .2s ease;
}
.faq-icon::before{left:0;top:9px;width:20px;height:1.5px}
.faq-icon::after{left:9px;top:0;width:1.5px;height:20px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-item.is-open .faq-icon::before{background:var(--orange)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a p{padding:0 0 24px 16px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:680px}

/* ============ cta ============ */
.cta{
  position:relative;color:var(--on-dark);overflow:hidden;
  background-image:linear-gradient(rgba(14,33,29,.92),rgba(14,33,29,.92)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;padding:80px 0;align-items:center}
.cta h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.cta p.lead{margin-top:16px;font-size:16px;line-height:1.85;color:var(--on-dark-2);max-width:520px}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;gap:10px;font-size:15px;color:var(--on-dark-2)}
.cta-points li i{color:var(--lime);font-size:13px;margin-top:6px}
.form-card{
  background:rgba(255,255,255,.05);border:1px solid var(--line-dark);border-radius:var(--r-lg);padding:28px;
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:rgba(255,255,255,.82);margin-bottom:8px;letter-spacing:.02em}
.field input,.field select{
  width:100%;height:48px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
  appearance:none;
}
.field select{background-image:linear-gradient(45deg,transparent 50%,rgba(255,255,255,.6) 50%),linear-gradient(135deg,rgba(255,255,255,.6) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field input::placeholder{color:rgba(255,255,255,.4)}
.field input:focus,.field select:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(163,230,53,.25)}
.field.has-error input,.field.has-error select{border-color:var(--orange)}
.field .err{display:none;margin-top:6px;font-size:12px;color:var(--orange)}
.field.has-error .err{display:block}
.form-note{margin-top:14px;font-size:12px;color:rgba(255,255,255,.5);line-height:1.7}
.form-ok{display:none;margin-top:14px;font-size:13px;color:var(--lime);font-weight:600}
.form-ok.is-show{display:block}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:var(--on-dark)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:72px 0 48px}
.footer-col{padding-right:24px;border-right:1px solid var(--line-dark)}
.footer-col:last-child{border-right:0;padding-right:0}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand__mark i{background:rgba(255,255,255,.72)}
.footer-brand .brand__mark i:nth-child(5){background:var(--lime)}
.footer-brand span:last-child{font-size:16px;font-weight:800;color:#fff;letter-spacing:-.01em}
.footer-col p{font-size:14px;line-height:1.85;color:var(--on-dark-2)}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.06em;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:var(--on-dark-2);transition:color .18s ease}
.footer-col ul a:hover{color:var(--lime)}
.contact-line{font-size:14px;color:var(--on-dark-2);margin-bottom:10px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 28px;border-top:1px solid var(--line-dark);font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ mobile drawer ============ */
.mobile-drawer{position:fixed;inset:0;z-index:90;visibility:hidden;opacity:0;transition:opacity .22s ease,visibility .22s ease}
.mobile-drawer.is-open{visibility:visible;opacity:1}
.drawer-mask{position:absolute;inset:0;background:rgba(14,33,29,.5)}
.drawer-panel{
  position:absolute;right:0;top:0;height:100%;width:min(320px,86vw);background:#fff;
  padding:24px;display:flex;flex-direction:column;transform:translateX(100%);transition:transform .26s ease;
  box-shadow:-12px 0 32px rgba(14,33,29,.16);
}
.mobile-drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-nav{display:flex;flex-direction:column;flex:1}
.drawer-nav a{padding:16px 0;font-size:17px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--ink)}
.drawer-nav a.is-active::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--lime);margin-right:10px;vertical-align:middle}
.drawer-cta{margin-top:24px}

/* ============ responsive ============ */
@media (max-width:1199px){
  :root{--sec:72px}
  .nav-links{gap:22px}
  .card-grid{gap:20px}
}
@media (max-width:991px){
  :root{--sec:64px}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .icon-btn{display:none}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr;gap:16px}
  .split{grid-template-columns:1fr;gap:32px}
  .split--reverse .split-media{order:0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 24px}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .cta-inner{grid-template-columns:1fr;gap:36px;padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-col{border-right:0;padding-right:0}
  .pkg-row{grid-template-columns:2fr 1fr 1fr;row-gap:10px}
  .pkg-row--head{display:none}
  .pkg-cell--hide{display:none}
}
@media (max-width:767px){
  :root{--sec:48px}
  .container{padding:0 18px}
  .header-inner{height:60px}
  .brand__text{font-size:15px}
  .header-actions .btn--sm{display:none}
  .hero-inner{padding:48px 0 44px}
  .page-hero h1{font-size:30px}
  .page-hero .hero-sub{font-size:15px}
  .hero-meta{gap:20px}
  .hero-meta .val{font-size:24px}
  .card-grid{grid-template-columns:1fr}
  .stats{padding:28px 22px}
  .stats-grid{grid-template-columns:1fr}
  .stat{border-left:0;padding-left:0;border-top:1px solid var(--line-dark);padding-top:18px}
  .stat:first-child{border-top:0;padding-top:0}
  .stat .val{font-size:32px}
  .pkg-row{grid-template-columns:1fr;gap:6px;padding:18px}
  .pkg-row .pkg-cell{font-size:13px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;padding:48px 0 28px}
  .section-head{margin-bottom:28px}
  .btn{height:44px;padding:0 22px}
}

/* roulang page: category3 */
:root{
  --ink:#0E211D;
  --ink-2:#16302A;
  --lime:#A3E635;
  --lime-dark:#8FD42A;
  --orange:#FF6B2C;
  --bg:#F7F8F4;
  --card:#FFFFFF;
  --surface-2:#EEF1EA;
  --line:#E2E6DD;
  --line-dark:rgba(255,255,255,.12);
  --text:#16211D;
  --text-2:#5C6862;
  --text-3:#8C968F;
  --text-inv:#F2F5EF;
  --text-inv-2:rgba(255,255,255,.72);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,33,29,.04), 0 8px 24px rgba(14,33,29,.06);
  --sh-2:0 12px 32px rgba(14,33,29,.10);
  --sp-block:96px;
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:var(--ink);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--orange);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.tnum{font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:-.02em;}
.section{padding:var(--sp-block) 0;}
.section--tight{padding:64px 0;}
.eyebrow{
  font-size:13px;letter-spacing:.06em;color:var(--text-3);
  text-transform:uppercase;font-weight:600;margin-bottom:12px;
}
.h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
.h3{font-size:20px;line-height:1.4;font-weight:600;}
.lead{color:var(--text-2);font-size:16px;line-height:1.85;}
.section-head{max-width:780px;margin-bottom:40px;}
.section-head .lead{margin-top:14px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-weight:700;font-size:15px;border:1.5px solid transparent;
  cursor:pointer;transition:all .18s ease;white-space:nowrap;
}
.btn--primary{background:var(--lime);color:var(--ink);}
.btn--primary:hover{background:var(--lime-dark);color:var(--ink);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--primary:active{transform:translateY(0);background:#7fc023;}
.btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn--ghost:hover{background:rgba(14,33,29,.06);color:var(--ink);}
.btn--inv{background:transparent;border-color:rgba(255,255,255,.7);color:#fff;}
.btn--inv:hover{background:rgba(255,255,255,.1);color:#fff;}
.btn--sm{height:40px;padding:0 20px;font-size:14px;}
.link-btn{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;
  border-bottom:1px solid var(--ink);padding-bottom:2px;color:var(--ink);border-radius:0;
}
.link-btn:hover{color:var(--orange);border-color:var(--orange);}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--text-2);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.tag--lime{background:rgba(163,230,53,.22);color:#3f5f10;}
.tag--orange{background:rgba(255,107,44,.14);color:#a8431a;}
.tag--dark{background:rgba(255,255,255,.1);color:var(--text-inv-2);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,248,244,.96);
  border-bottom:1px solid var(--line);
  transition:background .2s ease, box-shadow .2s ease;
}
.site-header.is-scrolled{background:#fff;box-shadow:0 1px 0 rgba(14,33,29,.06),0 6px 18px rgba(14,33,29,.05);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--ink);letter-spacing:-.01em;}
.brand:hover{color:var(--ink);}
.brand__mark{display:grid;grid-template-columns:repeat(3,4px);grid-template-rows:repeat(3,4px);gap:3px;}
.brand__mark i{display:block;width:4px;height:4px;border-radius:50%;background:var(--ink);}
.brand__mark i:nth-child(1),.brand__mark i:nth-child(5),.brand__mark i:nth-child(9){background:var(--lime);}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-link{position:relative;font-size:15px;color:var(--text-2);font-weight:500;padding:6px 0;}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-6px;width:24px;height:2px;border-radius:2px;
  background:var(--lime);opacity:0;transition:opacity .16s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{opacity:1;}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{opacity:1;}
.nav-side{display:flex;align-items:center;gap:18px;}
.nav-icon{font-size:18px;color:var(--text-2);line-height:1;}
.nav-icon:hover{color:var(--ink);}
.burger{
  display:none;width:40px;height:40px;border:0;background:transparent;cursor:pointer;
  flex-direction:column;justify-content:center;gap:6px;align-items:center;border-radius:var(--r-sm);
}
.burger span{display:block;width:20px;height:1.5px;background:var(--ink);border-radius:2px;}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(320px,86vw);background:var(--bg);
  transform:translateX(100%);transition:transform .26s ease;z-index:90;
  padding:22px;display:flex;flex-direction:column;
  box-shadow:-18px 0 40px rgba(14,33,29,.14);
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer__close{background:transparent;border:0;font-size:22px;color:var(--text-2);cursor:pointer;line-height:1;}
.drawer nav{display:flex;flex-direction:column;margin-top:8px;}
.drawer nav a{font-size:20px;padding:16px 0;border-bottom:1px solid var(--line);color:var(--ink);}
.drawer nav a.is-active{color:var(--ink);font-weight:700;}
.drawer .btn{margin-top:auto;}
.scrim{position:fixed;inset:0;background:rgba(14,33,29,.45);opacity:0;visibility:hidden;transition:.24s;z-index:80;}
.scrim.is-open{opacity:1;visibility:visible;}

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 0;font-size:14px;color:var(--text-3);}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--ink);}
.crumbs span{color:var(--text-2);}
.crumbs .sep{margin:0 8px;color:var(--line);}

/* ---------- 分类 Hero ---------- */
.cat-hero{padding:40px 0 72px;}
.cat-hero .grid-x{align-items:center;}
.hero-copy h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:800;letter-spacing:-.01em;
  margin:16px 0 20px;
}
.hero-copy .lead{font-size:17px;max-width:600px;}
.hero-actions{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin-top:30px;}
.hero-stats{display:flex;gap:32px;flex-wrap:wrap;margin-top:40px;padding-top:26px;border-top:1px solid var(--line);}
.hero-stats .stat + .stat{border-left:1px solid var(--line);padding-left:32px;}
.stat b{display:block;font-size:clamp(30px,3.4vw,44px);line-height:1;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.stat span{font-size:13px;color:var(--text-3);letter-spacing:.04em;display:block;margin-top:8px;}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:0;}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(14,33,29,0) 45%,rgba(14,33,29,.55));}
.hero-figure .badge-float{
  position:absolute;left:20px;bottom:20px;z-index:2;background:#fff;border-radius:var(--r-pill);
  padding:8px 16px;font-size:13px;font-weight:700;color:var(--ink);box-shadow:var(--sh-1);
  display:inline-flex;align-items:center;gap:8px;
}
.hero-figure .badge-float i{color:var(--orange);}

/* ---------- 流程时间轴 ---------- */
.timeline{position:relative;padding-left:8px;}
.step{position:relative;display:flex;gap:22px;padding-bottom:38px;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:19px;top:44px;bottom:-4px;width:2px;
  background:linear-gradient(180deg,var(--lime),rgba(163,230,53,.25));
}
.step:last-child::before{display:none;}
.step__num{
  flex:0 0 40px;width:40px;height:40px;border-radius:50%;
  background:var(--ink);color:var(--lime);font-weight:800;font-size:16px;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;position:relative;z-index:1;
  box-shadow:0 0 0 6px var(--bg);
}
.step__body{flex:1;padding-top:2px;}
.step__body h3{font-size:20px;font-weight:600;line-height:1.4;margin-bottom:8px;}
.step__body p{color:var(--text-2);font-size:15.5px;max-width:560px;}
.step__meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;}
.step__meta span{
  font-size:13px;color:var(--text-3);background:var(--card);border:1px solid var(--line);
  padding:4px 12px;border-radius:var(--r-pill);
}
.aside-card{
  position:sticky;top:96px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
}
.aside-card h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.aside-card .sub{font-size:13px;color:var(--text-3);letter-spacing:.04em;margin-bottom:18px;}
.aside-list li{
  display:flex;gap:10px;font-size:15px;color:var(--text-2);padding:11px 0;border-bottom:1px solid var(--line);
}
.aside-list li:last-child{border-bottom:0;}
.aside-list i{color:var(--lime-dark);margin-top:7px;font-size:13px;}
.aside-card .btn{width:100%;margin-top:20px;}
.aside-note{font-size:12.5px;color:var(--text-3);margin-top:12px;text-align:center;}

/* ---------- 准备清单卡片 ---------- */
.prep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.prep-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform .2s ease, box-shadow .2s ease;
}
.prep-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--lime);}
.prep-card:nth-child(2)::before{background:var(--orange);}
.prep-card:nth-child(2){margin-top:24px;}
.prep-card:nth-child(3)::before{background:var(--ink-2);}
.prep-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.prep-card h3{font-size:18px;font-weight:700;margin:12px 0 10px;}
.prep-card p{font-size:15px;color:var(--text-2);}
.prep-card ul li{font-size:14.5px;color:var(--text-2);padding:7px 0;display:flex;gap:8px;}
.prep-card ul li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--lime-dark);margin-top:11px;flex:0 0 5px;}
.prep-icon{
  width:42px;height:42px;border-radius:var(--r-md);background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;color:var(--ink);font-size:18px;
}

/* ---------- 卡点处理 ---------- */
.pitfall-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);}
.pitfall-row{
  display:grid;grid-template-columns:1.05fr 1.4fr;gap:24px;
  padding:22px 28px;border-bottom:1px solid var(--line);align-items:start;
}
.pitfall-row:last-child{border-bottom:0;}
.pitfall-row:hover{background:#FBFCF8;}
.pitfall-row .q{font-size:16px;font-weight:600;display:flex;gap:10px;align-items:flex-start;}
.pitfall-row .q i{color:var(--orange);font-size:14px;margin-top:6px;}
.pitfall-row .a{font-size:15px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{max-width:780px;}
.faq-item{border-bottom:1px solid var(--line);position:relative;}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 16px 22px 16px;font-size:17px;font-weight:600;color:var(--text);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--ink-2);}
.faq-item.is-open .faq-q{padding-left:24px;}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:2px;background:var(--lime);
}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;transition:transform .2s ease, opacity .2s ease;
}
.faq-icon::before{left:0;top:7.25px;width:16px;height:1.5px;}
.faq-icon::after{left:7.25px;top:0;width:1.5px;height:16px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a p{padding:0 24px 24px 24px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:700px;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;background:var(--ink);color:var(--text-inv);overflow:hidden;
}
.cta-band .bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.22;
}
.cta-band .bg::after{content:"";position:absolute;inset:0;background:rgba(14,33,29,.55);}
.cta-band .container{position:relative;z-index:2;padding-top:80px;padding-bottom:80px;}
.cta-band h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;color:#fff;margin-bottom:16px;}
.cta-band p{color:var(--text-inv-2);font-size:15.5px;max-width:560px;}
.cta-list{margin-top:24px;display:grid;gap:10px;}
.cta-list li{display:flex;gap:10px;font-size:15px;color:var(--text-inv-2);}
.cta-list i{color:var(--lime);margin-top:7px;font-size:13px;}
.form-card{
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);border-radius:var(--r-lg);padding:28px;
}
.form-card h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text-inv-2);margin-bottom:8px;letter-spacing:.03em;}
.field input,.field select{
  width:100%;height:48px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:15px;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.field input::placeholder{color:rgba(255,255,255,.45);}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(163,230,53,.25);
}
.field select option{color:#16211D;}
.privacy{font-size:12px;color:rgba(255,255,255,.5);margin-top:14px;line-height:1.7;}
.form-note{font-size:12.5px;color:var(--orange);margin-top:8px;min-height:16px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--text-inv-2);padding-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:0;}
.footer-col{padding:0 28px;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{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px;}
.footer-brand .brand__mark i{background:#fff;}
.footer-brand .brand__mark i:nth-child(1),.footer-brand .brand__mark i:nth-child(5),.footer-brand .brand__mark i:nth-child(9){background:var(--lime);}
.site-footer p{font-size:14px;line-height:1.8;}
.site-footer h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.04em;}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul a{font-size:14px;color:var(--text-inv-2);}
.site-footer ul a:hover{color:var(--lime);}
.contact-line{color:var(--text-inv-2);font-size:14px;margin-bottom:10px;}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line-dark);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p,.footer-bottom span{font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  :root{--sp-block:80px;}
  .nav-links{gap:22px;}
  .nav-link{font-size:14.5px;}
}
@media screen and (max-width:991px){
  :root{--sp-block:64px;}
  .nav-links{display:none;}
  .burger{display:flex;}
  .nav-side .btn{display:none;}
  .prep-grid{grid-template-columns:1fr 1fr;}
  .prep-card:nth-child(2){margin-top:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px 0;}
  .footer-col:nth-child(3){border-left:0;padding-left:0;}
  .footer-col{padding:0 20px;}
}
@media screen and (max-width:767px){
  :root{--sp-block:48px;}
  .container{padding:0 18px;}
  .hero-copy h1{margin-top:12px;}
  .hero-stats{gap:20px;}
  .hero-stats .stat + .stat{padding-left:20px;}
  .cat-hero{padding:24px 0 48px;}
  .pitfall-row{grid-template-columns:1fr;gap:8px;padding:20px;}
  .prep-grid{grid-template-columns:1fr;}
  .aside-card{position:static;margin-top:32px;}
  .cta-band .container{padding-top:56px;padding-bottom:56px;}
  .btn{height:44px;padding:0 22px;}
}
@media screen and (max-width:520px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-col{border-left:0;padding:0;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-stats .stat + .stat{border-left:0;padding-left:0;}
  .hero-stats{flex-direction:column;gap:18px;}
}

/* roulang page: category4 */
:root{
  --ink:#0E211D;
  --ink-2:#16302A;
  --lime:#A3E635;
  --lime-dark:#8FD42A;
  --orange:#FF6B2C;
  --bg:#F7F8F4;
  --surface:#FFFFFF;
  --surface-2:#EEF1EA;
  --line:#E2E6DD;
  --line-dark:rgba(255,255,255,.12);
  --text:#16211D;
  --text-2:#5C6862;
  --text-3:#8C968F;
  --on-dark:#F2F5EF;
  --on-dark-2:rgba(255,255,255,.72);
  --r-s:8px;
  --r-m:12px;
  --r-l:16px;
  --r-p:999px;
  --sh-1:0 1px 2px rgba(14,33,29,.04), 0 8px 24px rgba(14,33,29,.06);
  --sh-2:0 12px 32px rgba(14,33,29,.10);
  --section:96px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--section) 0}
.section--tight{padding:72px 0}
.section-head{max-width:720px;margin-bottom:40px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:var(--text-3);font-weight:600;margin-bottom:14px}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--lime);display:block}
h1,h2,h3{letter-spacing:-.01em}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:800}
h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700}
h3{font-size:20px;line-height:1.4;font-weight:600}
.lead{font-size:17px;line-height:1.85;color:var(--text-2)}
.num{font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:-.02em}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-p);
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--lime);color:var(--ink)}
.btn--primary:hover{background:var(--lime-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(14,33,29,.18)}
.btn--primary:active{transform:translateY(0);box-shadow:none;background:var(--lime-dark)}
.btn--outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn--outline:hover{background:rgba(14,33,29,.06)}
.btn--ghost{border-color:var(--line);color:var(--text-2);background:var(--surface)}
.btn--ghost:hover{border-color:var(--ink);color:var(--ink)}
.btn--sm{height:40px;padding:0 20px;font-size:14px}
.btn--link{height:auto;padding:0 0 2px;border-radius:0;color:var(--ink);font-size:14px;font-weight:600;border-bottom:1px solid var(--ink)}
.btn--link:hover{color:var(--orange);border-color:var(--orange);transform:none}
.btn--on-dark{border-color:rgba(255,255,255,.6);color:#fff;background:transparent}
.btn--on-dark:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* 标签 */
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-p);background:var(--surface-2);color:var(--text-2);font-size:12px;font-weight:600;letter-spacing:.04em}
.tag--lime{background:rgba(163,230,53,.22);color:#3F5A12}
.tag--orange{background:rgba(255,107,44,.14);color:#B8420F}
.tag--dark{background:rgba(255,255,255,.12);color:var(--on-dark)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:80;background:var(--bg);border-bottom:1px solid var(--line);transition:box-shadow .2s ease,background-color .2s ease}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(14,33,29,.07)}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:inline-flex;align-items:center;gap:12px;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand__mark{display:grid;grid-template-columns:repeat(3,1fr);gap:3px;width:22px;height:22px}
.brand__mark i{display:block;border-radius:2px;background:var(--ink)}
.brand__mark i:nth-child(2),
.brand__mark i:nth-child(4),
.brand__mark i:nth-child(9){background:var(--lime)}
.brand__mark i:nth-child(7){background:var(--orange)}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 0}
.nav-link::after{content:"";position:absolute;left:0;bottom:-6px;width:24px;height:2px;background:var(--lime);opacity:0;transition:opacity .16s ease}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{opacity:1}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{opacity:1}
.header-actions{display:flex;align-items:center;gap:14px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;color:var(--ink);transition:background-color .18s ease}
.icon-btn:hover{background:rgba(14,33,29,.07)}
.icon-btn svg{width:20px;height:20px;stroke:currentColor;stroke-width:1.5;fill:none}
.menu-toggle{display:none;flex-direction:column;justify-content:center;gap:6px;width:40px;height:40px;border-radius:var(--r-s)}
.menu-toggle span{display:block;width:20px;height:1.5px;background:var(--ink);margin:0 auto;transition:transform .2s ease,opacity .2s ease}
.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
.mobile-nav{border-top:1px solid var(--line);background:var(--surface);padding:8px 0 20px}
.mobile-nav a{display:block;font-size:19px;font-weight:600;color:var(--ink);padding:16px 0;border-bottom:1px solid var(--line)}
.mobile-nav .mobile-cta{margin-top:20px}
.mobile-nav .btn{width:100%}

/* 面包屑 */
.crumbs{padding:20px 0 0;font-size:14px;color:var(--text-3)}
.crumbs ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumbs li::after{content:"/";margin-left:8px;color:var(--text-3)}
.crumbs li:last-child::after{content:""}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--ink)}
.crumbs .current{color:var(--text-2)}

/* Hero */
.page-hero{position:relative;background:var(--ink);color:var(--on-dark);padding:52px 0 56px;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);background-size:20px 20px;opacity:.22;pointer-events:none}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{color:#fff;max-width:820px}
.page-hero .lead{color:var(--on-dark-2);max-width:680px;margin-top:18px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.stat-strip{display:flex;flex-wrap:wrap;gap:0;margin-top:32px;border-top:1px solid var(--line-dark);padding-top:20px}
.stat-item{padding-right:32px;margin-right:32px;border-right:1px solid var(--line-dark)}
.stat-item:last-child{border-right:0;margin-right:0;padding-right:0}
.stat-item b{display:block;font-size:28px;line-height:1.2;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat-item span{font-size:13px;color:var(--on-dark-2);letter-spacing:.06em}

/* 搜索 */
.faq-search{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;max-width:820px}
.search-field{position:relative;flex:1 1 340px;min-width:0}
.search-field svg{position:absolute;left:18px;top:50%;transform:translateY(-50%);width:18px;height:18px;stroke:var(--on-dark-2);stroke-width:1.6;fill:none}
.search-field input{
  width:100%;height:48px;padding:0 18px 0 48px;border-radius:var(--r-m);
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);color:#fff;font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.search-field input::placeholder{color:rgba(255,255,255,.55)}
.search-field input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 4px rgba(163,230,53,.22);background:rgba(255,255,255,.1)}
.search-result{margin-top:14px;font-size:14px;color:var(--on-dark-2);min-height:22px}
.search-result strong{color:var(--lime);font-variant-numeric:tabular-nums}

/* 锚点胶囊 */
.anchor-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.anchor-pill{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 18px;border-radius:var(--r-p);
  border:1px solid var(--line-dark);color:var(--on-dark-2);font-size:14px;font-weight:600;background:transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.anchor-pill:hover{color:#fff;border-color:rgba(255,255,255,.5)}
.anchor-pill.is-active{background:var(--lime);border-color:var(--lime);color:var(--ink)}

/* 快捷入口 */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.quick-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  padding:24px;display:flex;flex-direction:column;gap:10px;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.quick-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFD6C6}
.quick-card .q-index{font-size:13px;letter-spacing:.06em;color:var(--text-3);font-weight:600}
.quick-card h3{color:var(--ink)}
.quick-card p{font-size:15px;color:var(--text-2);line-height:1.8}
.quick-card .q-foot{margin-top:auto;padding-top:6px}

/* 排查卡片 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.card__media{position:relative;aspect-ratio:16/10;background:var(--surface-2);overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.card:hover .card__media img{transform:scale(1.03)}
.card__badge{position:absolute;left:14px;top:14px;height:26px;padding:0 12px;border-radius:var(--r-p);background:rgba(14,33,29,.82);color:#fff;font-size:12px;font-weight:600;display:inline-flex;align-items:center;letter-spacing:.04em}
.card__body{padding:24px}
.card__body h3{margin-bottom:10px;color:var(--ink)}
.card__body p{font-size:15px;color:var(--text-2);line-height:1.8}
.card__list{margin-top:14px;display:grid;gap:8px}
.card__list li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2)}
.card__list li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--lime)}

/* FAQ 布局 */
.faq-layout{display:grid;grid-template-columns:236px 1fr;gap:48px;align-items:start}
.faq-aside{position:sticky;top:96px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:22px;box-shadow:var(--sh-1)}
.faq-aside h2{font-size:15px;letter-spacing:.06em;color:var(--text-3);font-weight:600;margin-bottom:14px}
.faq-aside ul{display:grid;gap:2px}
.faq-aside a{display:block;font-size:15px;color:var(--text-2);padding:9px 0 9px 14px;border-left:2px solid var(--line);transition:color .18s ease,border-color .18s ease,padding-left .18s ease}
.faq-aside a:hover{color:var(--ink);border-color:var(--lime)}
.faq-aside a.is-active{color:var(--ink);font-weight:600;border-color:var(--lime);padding-left:18px}
.aside-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);line-height:1.75}

.faq-group{margin-bottom:48px;scroll-margin-top:100px}
.faq-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:center;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:8px}
.group-head h2{font-size:22px}
.faq-list{border-bottom:1px solid var(--line)}
.faq-item{border-top:1px solid var(--line);border-left:4px solid transparent;padding-left:18px;transition:border-color .2s ease,background-color .2s ease}
.faq-item:first-child{border-top:0}
.faq-item.is-open{border-left-color:var(--lime);background:linear-gradient(90deg,rgba(163,230,53,.06),rgba(163,230,53,0))}
.faq-item.is-hidden{display:none}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:24px;text-align:left;
  padding:22px 0;font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--ink-2)}
.faq-q .mark{position:relative;flex:0 0 24px;width:24px;height:24px;margin-top:2px}
.faq-q .mark::before,
.faq-q .mark::after{content:"";position:absolute;background:var(--text-3);transition:transform .2s ease,background-color .2s ease}
.faq-q .mark::before{left:0;top:11px;width:24px;height:1.5px}
.faq-q .mark::after{left:11px;top:0;width:1.5px;height:24px}
.faq-item.is-open .faq-q .mark::before{background:var(--lime-dark)}
.faq-item.is-open .faq-q .mark::after{transform:scaleY(0);background:var(--lime-dark)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a-inner{padding:0 48px 24px 0;font-size:15px;line-height:1.85;color:var(--text-2)}
.faq-a-inner p+p{margin-top:12px}
.faq-a-inner ul{margin-top:12px;display:grid;gap:8px}
.faq-a-inner li{position:relative;padding-left:18px}
.faq-a-inner li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--surface-2);border:1px solid #C9D1BF}
.faq-a-inner strong{color:var(--ink);font-weight:600}
mark.hl{background:rgba(255,107,44,.22);color:inherit;padding:0 2px;border-radius:3px}
.empty-state{display:none;text-align:center;padding:44px 24px;border:1px dashed var(--line);border-radius:var(--r-l);background:var(--surface)}
.empty-state.is-visible{display:block}
.empty-state strong{display:block;font-size:17px;color:var(--ink);margin-bottom:8px}
.empty-state p{font-size:14px;color:var(--text-2);margin-bottom:16px}

/* CTA */
.cta-band{position:relative;background:var(--ink);color:var(--on-dark);overflow:hidden}
.cta-band__bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center;opacity:.30}
.cta-band__mask{position:absolute;inset:0;background:rgba(14,33,29,.72)}
.cta-band .container{position:relative;z-index:1;padding-top:72px;padding-bottom:72px}
.cta-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
.cta-band h2{color:#fff;margin-bottom:16px}
.cta-band p{color:var(--on-dark-2);font-size:16px}
.cta-points{display:grid;gap:12px;margin-top:24px}
.cta-points li{position:relative;padding-left:20px;font-size:15px;color:var(--on-dark-2)}
.cta-points li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--lime)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.form-panel{background:rgba(255,255,255,.05);border:1px solid var(--line-dark);border-radius:var(--r-l);padding:28px}
.form-panel h3{color:#fff;margin-bottom:6px}
.form-panel .hint{font-size:13px;color:var(--on-dark-2);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--on-dark-2);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:var(--r-m);border:1px solid var(--line-dark);
  background:rgba(255,255,255,.06);color:#fff;padding:0 16px;font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:88px;padding:12px 16px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.5)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 4px rgba(163,230,53,.2)}
.field select option{color:var(--ink)}
.privacy-note{font-size:12px;color:rgba(255,255,255,.55);margin-top:12px;line-height:1.7}
.form-status{margin-top:14px;font-size:13px;color:var(--lime);min-height:20px}

/* 页脚 */
.site-footer{background:var(--ink);color:var(--on-dark);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:#fff;font-weight:700;margin-bottom:18px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--on-dark-2)}
.footer-col a:hover{color:var(--lime)}
.footer-brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-brand .brand__mark i{background:rgba(255,255,255,.85)}
.footer-brand .brand__mark i:nth-child(2),
.footer-brand .brand__mark i:nth-child(4),
.footer-brand .brand__mark i:nth-child(9){background:var(--lime)}
.footer-brand .brand__mark i:nth-child(7){background:var(--orange)}
.footer-col p{font-size:14px;color:var(--on-dark-2);line-height:1.85}
.contact-line{font-size:14px;color:var(--on-dark-2);padding:8px 0;border-bottom:1px solid var(--line-dark)}
.contact-line:last-child{border-bottom:0}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;border-top:1px solid var(--line-dark);padding:20px 0;font-size:13px;color:rgba(255,255,255,.6)}

/* 响应式 */
@media (max-width:1199px){
  .nav-links{gap:22px}
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:200px 1fr;gap:32px}
}
@media (max-width:991px){
  :root{--section:64px}
  .nav-links,.header-actions .btn,.header-actions .icon-btn{display:none}
  .menu-toggle{display:flex}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:0}
  .faq-aside{display:none}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:767px){
  :root{--section:48px}
  .container{padding:0 18px}
  h1{font-size:30px}
  .header-inner{height:60px}
  .page-hero{padding:36px 0 44px}
  .quick-grid,.card-grid{grid-template-columns:1fr}
  .stat-item{padding-right:20px;margin-right:20px}
  .stat-item b{font-size:24px}
  .faq-item{padding-left:14px}
  .faq-a-inner{padding-right:0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn{height:44px;padding:0 22px}
}
@media (max-width:520px){
  .search-field input{height:44px}
  .faq-search .btn{width:100%}
  .hero-tags{gap:8px}
}