/* roulang page: index */
:root{
  --brand:#0E3A34;
  --brand-deep:#082622;
  --signal:#C6F24E;
  --cta:#FF6B35;
  --cta-dark:#E85A26;
  --cta-active:#D04E1E;
  --teal:#1F6F63;
  --dark:#0B1D1A;
  --paper:#F4F1EA;
  --card:#FFFFFF;
  --line:#E2DDD2;
  --ink:#16211E;
  --ink-2:#5C6B66;
  --ink-3:#8C9793;
  --white:#F6F4EE;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --sh-1:0 1px 2px rgba(11,29,26,.06);
  --sh-2:0 12px 32px -12px rgba(11,29,26,.18);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:64px;
  --sp-7:96px;
  --container:1200px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{line-height:1.3;font-weight:800;word-break:normal;overflow-wrap:anywhere}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--sp-7) 0}
.section--tight{padding:var(--sp-6) 0}
.section--dark{background:var(--dark);color:var(--white)}
.section--white{background:var(--card)}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-deep);color:#C9DCD6;font-size:13px;line-height:1.4}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:40px;padding-top:7px;padding-bottom:7px}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0}
.topbar-domain{color:var(--signal);font-weight:700;letter-spacing:.04em;white-space:nowrap}
.topbar-note{color:#9FB6AF;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-action{display:inline-flex;align-items:center;gap:6px;color:var(--signal);font-weight:700;white-space:nowrap;transition:opacity .2s}
.topbar-action:hover{opacity:.78}
.topbar-action i{font-style:normal;transition:transform .2s}
.topbar-action:hover i{transform:translateX(3px)}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(244,241,234,.95);
  backdrop-filter:saturate(1.4) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 28px -20px rgba(11,29,26,.55)}
.nav-inner{display:flex;align-items:center;gap:22px;height:70px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--brand);color:var(--signal);
  display:grid;place-items:center;
  font-size:13px;font-weight:800;letter-spacing:.02em;
  box-shadow:inset 0 0 0 2px rgba(198,242,78,.22);
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--ink);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.main-nav a{
  position:relative;padding:9px 15px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color .2s,background-color .2s;
}
.main-nav a:hover{color:var(--brand);background:rgba(14,58,52,.07)}
.main-nav a.active{color:var(--brand)}
.main-nav a.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:1px;
  height:2px;border-radius:2px;background:var(--signal);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:var(--card);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform .25s,opacity .25s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 移动端抽屉 */
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--card);
  padding:18px 24px 26px;
}
.mobile-drawer.is-open{display:block}
.drawer-group-title{
  font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--ink-3);
  text-transform:uppercase;margin:14px 0 8px;
}
.drawer-group-title:first-child{margin-top:0}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--ink-2);
  border-left:3px solid transparent;transition:.2s;
}
.drawer-link:hover,.drawer-link.active{background:rgba(14,58,52,.06);color:var(--brand);border-left-color:var(--signal)}
.drawer-cta{margin-top:18px;display:block;width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:10px;border:1.5px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.02em;cursor:pointer;
  transition:background-color .2s,color .2s,transform .2s,box-shadow .2s,border-color .2s;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px}
.btn-primary{background:var(--cta);color:#fff;box-shadow:0 8px 20px -12px rgba(255,107,53,.85)}
.btn-primary:hover{background:var(--cta-dark);transform:translateY(-1px)}
.btn-primary:active{background:var(--cta-active);transform:translateY(0)}
.btn-primary:focus-visible{outline:3px solid rgba(198,242,78,.55);outline-offset:2px}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand);color:#fff}
.btn-ghost:active{background:var(--brand-deep);border-color:var(--brand-deep)}
.btn-ghost:focus-visible{outline:3px solid rgba(198,242,78,.55);outline-offset:2px}
.btn-light{background:var(--signal);color:var(--brand-deep)}
.btn-light:hover{background:#B6E23C;transform:translateY(-1px)}
.btn-light:focus-visible{outline:3px solid rgba(255,255,255,.6);outline-offset:2px}
.btn.is-disabled,.btn[disabled]{opacity:.45;pointer-events:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1.5px;
  transition:color .2s;
}
.link-more:hover{color:var(--cta)}
.link-more i{font-style:normal;transition:transform .2s}
.link-more:hover i{transform:translateX(4px)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 72px}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(14,58,52,.055) 0 1px,transparent 1px 13px);
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(198,242,78,.28),transparent 68%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;background:rgba(14,58,52,.08);
  color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:20px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cta)}
.hero-title{font-size:clamp(32px,4vw,56px);font-weight:800;line-height:1.25;letter-spacing:.01em;margin-bottom:20px}
.hero-title mark{background:linear-gradient(180deg,transparent 58%,rgba(198,242,78,.75) 58%);color:inherit;padding:0 2px}
.hero-sub{font-size:17px;line-height:1.85;color:var(--ink-2);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;background:var(--card);
  border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--ink-2);
}
.tag::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--signal)}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:3/2;background:var(--brand-deep)}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,29,26,.10),rgba(11,29,26,.42))}
.visual-caption{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:2;color:var(--white);
}
.visual-caption strong{display:block;font-size:17px;font-weight:800;margin-bottom:4px}
.visual-caption span{font-size:13px;color:rgba(246,244,238,.78)}

/* ---------- 信任条 ---------- */
.trust{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-item{padding:30px 24px;border-left:1px solid var(--line)}
.trust-item:first-child{border-left:0;padding-left:0}
.trust-num{font-size:30px;font-weight:800;color:var(--brand);line-height:1.2;letter-spacing:-.01em}
.trust-num small{font-size:15px;font-weight:700;margin-left:2px}
.trust-label{font-size:14px;font-weight:700;color:var(--ink);margin-top:8px}
.trust-desc{font-size:13px;color:var(--ink-3);line-height:1.7;margin-top:4px}

/* ---------- 板块标题 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head--center{flex-direction:column;align-items:center;text-align:center}
.section-kicker{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:.16em;
  color:var(--teal);text-transform:uppercase;margin-bottom:12px;
}
.section-title{font-size:clamp(26px,2.6vw,36px);font-weight:800;letter-spacing:.01em;color:var(--ink)}
.section-title--light{color:var(--white)}
.section-desc{font-size:15px;color:var(--ink-2);margin-top:12px;max-width:680px}

/* ---------- 栏目分区（2+1 错落） ---------- */
.sections-grid{display:grid;grid-template-columns:1.35fr 1fr;grid-template-rows:auto auto;gap:24px}
.panel{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .28s,box-shadow .28s;
}
.panel:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.panel--lead{grid-row:span 2}
.panel-media{position:relative;overflow:hidden}
.panel--lead .panel-media{aspect-ratio:16/9}
.panel--small .panel-media{aspect-ratio:16/7}
.panel-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.panel:hover .panel-media img{transform:scale(1.03)}
.panel-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.panel--lead .panel-body{padding:28px 28px 32px}
.panel-title{font-size:20px;font-weight:800;color:var(--ink)}
.panel--lead .panel-title{font-size:24px}
.panel-text{font-size:15px;color:var(--ink-2);line-height:1.85}
.panel-foot{margin-top:auto;padding-top:6px}

/* ---------- 封面卡（权益预览） ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .28s,box-shadow .28s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-deep)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.03)}
.badge{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:5px 12px;border-radius:999px;
  background:rgba(11,29,26,.78);color:var(--signal);
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:19px;font-weight:800;color:var(--ink)}
.card-text{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:10px;border-top:1px solid var(--line)}
.card-meta{font-size:13px;color:var(--ink-3)}
.card-arrow{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:50%;
  background:rgba(14,58,52,.08);color:var(--brand);font-size:15px;
  transition:transform .25s,background-color .25s,color .25s;
}
.card:hover .card-arrow{background:var(--brand);color:var(--signal);transform:translateX(4px)}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.step{position:relative;padding:0 22px}
.step:first-child{padding-left:0}
.step:last-child{padding-right:0}
.step::before{
  content:"";position:absolute;left:0;right:0;top:25px;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px);
}
.step:first-child::before{left:52px}
.step:last-child::before{right:calc(100% - 52px);left:0}
.step-line{position:relative;z-index:1}
.step-num{
  position:relative;z-index:2;
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:14px;
  background:var(--card);border:1px solid var(--line);
  color:var(--ink-2);font-size:16px;font-weight:800;letter-spacing:.02em;
  box-shadow:var(--sh-1);transition:.25s;
}
.step.is-active .step-num{background:var(--brand);border-color:var(--brand);color:var(--signal)}
.step-title{font-size:18px;font-weight:800;color:var(--ink);margin:18px 0 8px}
.step-text{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.progress-track{margin-top:44px;height:6px;border-radius:999px;background:var(--line);overflow:hidden}
.progress-fill{height:100%;width:62%;border-radius:999px;background:linear-gradient(90deg,var(--teal),var(--signal))}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .28s,box-shadow .28s;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-deep)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{
  font-size:17.5px;font-weight:800;color:var(--ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  font-size:14px;color:var(--ink-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);
}
.news-arrow{color:var(--brand);font-size:16px;transition:transform .25s}
.news-card:hover .news-arrow{transform:translateX(4px)}
.news-empty{
  grid-column:1/-1;min-height:180px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-md);
  padding:36px 24px;text-align:center;
}
.empty-icon{width:44px;height:44px;border-radius:12px;border:2px solid var(--line);position:relative}
.empty-icon::after{content:"";position:absolute;left:10px;right:10px;top:15px;height:2px;background:var(--line);box-shadow:0 6px 0 var(--line)}
.news-empty p{font-size:14px;color:var(--ink-3)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.faq-col-title{
  font-size:14px;font-weight:800;letter-spacing:.12em;color:var(--teal);
  padding-bottom:14px;border-bottom:2px solid var(--brand);margin-bottom:16px;
}
.faq-item{border:1px solid var(--line);border-radius:12px;background:var(--card);margin-bottom:12px;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item:hover{border-color:#CFC8B9}
.faq-item.is-open{border-color:var(--brand);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 20px;text-align:left;
  font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.6;
  transition:color .2s;
}
.faq-q:hover{color:var(--brand)}
.faq-q:focus-visible{outline:3px solid rgba(198,242,78,.55);outline-offset:-3px}
.faq-q i{
  flex:0 0 auto;font-style:normal;font-size:14px;color:var(--brand);
  width:26px;height:26px;border-radius:50%;background:rgba(14,58,52,.08);
  display:grid;place-items:center;transition:transform .28s,background-color .25s,color .25s;
}
.faq-item.is-open .faq-q i{transform:rotate(180deg);background:var(--brand);color:var(--signal)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{padding:0 20px 20px;font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--brand);color:var(--white);position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.045) 0 1px,transparent 1px 14px);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;padding:64px 0}
.cta-copy h2{font-size:clamp(24px,2.4vw,32px);font-weight:800;margin-bottom:12px}
.cta-copy p{font-size:15.5px;color:rgba(246,244,238,.78);max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 表单块 ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1/-1}
.field label{font-size:14px;font-weight:700;color:var(--ink)}
.field input,.field select,.field textarea{
  height:48px;padding:0 16px;border-radius:10px;
  border:1px solid var(--line);background:var(--card);color:var(--ink);
  transition:border-color .2s,box-shadow .2s;
}
.field textarea{height:auto;min-height:120px;padding:14px 16px;resize:vertical;line-height:1.75}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--signal);box-shadow:0 0 0 3px rgba(198,242,78,.42);
}
.form-note{font-size:13px;color:var(--ink-3);margin-top:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#B9CCC6;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-mark{background:var(--signal);color:var(--brand-deep);box-shadow:none}
.footer-brand .logo-text{color:var(--white)}
.footer-about{font-size:13.5px;line-height:1.85;color:#8FA7A1;max-width:340px}
.footer-col h3{font-size:14px;font-weight:800;color:var(--white);letter-spacing:.06em;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13.5px;color:#9DB4AE;transition:color .2s}
.footer-col a:hover{color:var(--signal)}
.footer-note{font-size:13px;color:#8FA7A1;line-height:1.9}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7E948E;
}
.footer-bottom a{color:#9DB4AE}
.footer-bottom a:hover{color:var(--signal)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 22px}
  .hero-grid{gap:40px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .hero{padding:48px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{aspect-ratio:16/9}
  .sections-grid{grid-template-columns:1fr;grid-template-rows:none}
  .panel--lead{grid-row:auto}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .step:nth-child(2n){padding-right:0}
  .step:nth-child(2n+1){padding-left:0}
  .step::before{display:none}
  .faq-wrap{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 36px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px;padding:52px 0}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:52px 0}
  .topbar-note{display:none}
  .nav-inner{height:64px;gap:14px}
  .logo-text{font-size:16px}
  .nav-actions .btn{display:none}
  .hero{padding:40px 0 48px;min-height:420px}
  .hero-sub{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .trust-item{padding:22px 18px;border-left:1px solid var(--line)}
  .trust-item:nth-child(odd){border-left:0;padding-left:0}
  .card-grid,.news-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:28px}
  .step{padding:0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:480px){
  body{font-size:15px}
  .hero-title{font-size:32px}
  .section-title{font-size:24px}
  .trust-num{font-size:24px}
  .panel-body{padding:20px}
  .logo-text{font-size:15px}
}

/* roulang page: category1 */
:root{
  --brand:#0E3A34;
  --brand-deep:#082622;
  --dark:#0B1D1A;
  --signal:#C6F24E;
  --cta:#FF6B35;
  --cta-deep:#E85A26;
  --teal:#1F6F63;
  --paper:#F4F1EA;
  --card:#FFFFFF;
  --line:#E2DDD2;
  --ink:#16211E;
  --ink-2:#5C6B66;
  --inverse:#F6F4EE;
  --placeholder:#8C9793;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --sh-1:0 1px 2px rgba(11,29,26,.06);
  --sh-2:0 12px 32px -12px rgba(11,29,26,.18);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:72px; --sp-7:96px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--cta);}
button{font:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:.01em;}
p{margin:0 0 20px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(198,242,78,.55);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (min-width:1280px){.container{max-width:1280px;}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-deep);color:var(--inverse);font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;}
.topbar-left{display:flex;align-items:center;gap:10px;color:rgba(246,244,238,.82);}
.topbar-left .dot{width:6px;height:6px;border-radius:50%;background:var(--signal);flex:none;}
.topbar-right a{color:var(--signal);font-weight:600;display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid transparent;transition:border-color .2s,color .2s;}
.topbar-right a:hover{color:#fff;border-bottom-color:var(--signal);}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(244,241,234,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .25s;}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(11,29,26,.4);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--brand);font-weight:800;}
.brand:hover{color:var(--brand);}
.logo-mark{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:8px;background:var(--brand);color:var(--signal);font-size:13px;font-weight:800;letter-spacing:.02em;border:1px solid var(--brand-deep);}
.logo-text{font-size:18px;letter-spacing:.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:600;color:var(--ink-2);border-radius:8px;transition:color .2s,background .2s;}
.main-nav a::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--signal);transform:scaleX(0);transform-origin:left;transition:transform .25s;}
.main-nav a:hover{color:var(--brand);background:rgba(14,58,52,.05);}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active{color:var(--brand);background:rgba(14,58,52,.06);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border-radius:10px;font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;transition:background .2s,color .2s,transform .15s,box-shadow .2s,border-color .2s;white-space:nowrap;}
.btn-primary{background:var(--cta);color:#fff;box-shadow:0 8px 20px -12px rgba(255,107,53,.9);}
.btn-primary:hover{background:var(--cta-deep);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;pointer-events:none;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--brand);align-items:center;justify-content:center;cursor:pointer;}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 抽屉 */
.drawer{display:none;}
@media (max-width:1023px){
  .main-nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    padding:10px 16px 20px;box-shadow:var(--sh-2);
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{padding:14px 12px;border-radius:0;border-left:3px solid transparent;font-size:16px;}
  .main-nav a::after{display:none;}
  .main-nav a.active,.main-nav a:hover{border-left-color:var(--signal);background:rgba(14,58,52,.04);}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-primary{display:none;}
  .drawer{display:block;font-size:12px;letter-spacing:.08em;color:var(--ink-2);font-weight:700;padding:12px 12px 6px;}
}

/* ---------- 小 Hero ---------- */
.page-hero{
  position:relative;
  min-height:230px;
  display:flex;
  align-items:center;
  background-image:linear-gradient(100deg,rgba(8,38,34,.9) 0%,rgba(14,58,52,.72) 55%,rgba(11,29,26,.55) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  color:var(--inverse);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;padding-top:44px;padding-bottom:44px;}
.crumb{font-size:13px;color:rgba(246,244,238,.72);display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:14px;}
.crumb a{color:rgba(246,244,238,.86);}
.crumb a:hover{color:var(--signal);}
.crumb .sep{opacity:.5;}
.page-hero h1{font-size:clamp(28px,3.4vw,44px);line-height:1.25;font-weight:800;max-width:840px;}
.page-hero .lead{margin:16px 0 0;max-width:760px;font-size:16px;line-height:1.8;color:rgba(246,244,238,.86);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;font-size:13px;font-weight:600;background:rgba(198,242,78,.16);color:var(--signal);border:1px solid rgba(198,242,78,.34);}
.tag-plain{background:rgba(255,255,255,.08);color:var(--inverse);border-color:rgba(255,255,255,.18);}

/* ---------- 布局 ---------- */
.layout{
  display:grid;
  grid-template-columns:240px minmax(0,1fr);
  gap:48px;
  align-items:start;
  padding:64px 0 0;
}
.side{position:sticky;top:92px;}
.side-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px;box-shadow:var(--sh-1);}
.side-title{font-size:12px;letter-spacing:.14em;font-weight:800;color:var(--ink-2);margin-bottom:12px;}
.side-list a{display:block;padding:9px 12px;border-radius:8px;font-size:14.5px;font-weight:600;color:var(--ink-2);border-left:3px solid transparent;transition:all .2s;}
.side-list a:hover{background:rgba(14,58,52,.05);color:var(--brand);border-left-color:var(--signal);}
.side-list a.is-current{background:rgba(14,58,52,.07);color:var(--brand);border-left-color:var(--signal);}
.side-extra{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);font-size:13.5px;color:var(--ink-2);line-height:1.75;}
.side-extra a{display:block;margin-top:10px;font-weight:700;font-size:14px;}

.content{padding-bottom:24px;min-width:0;}
.block{margin-bottom:72px;scroll-margin-top:96px;}
.block:last-child{margin-bottom:0;}
.sec-head{margin-bottom:26px;}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--teal);margin-bottom:10px;}
.sec-kicker::before{content:"";width:22px;height:2px;background:var(--signal);}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);position:relative;padding-left:16px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--signal);}
.sec-head p{margin:12px 0 0;color:var(--ink-2);font-size:15.5px;max-width:820px;}

/* 概览 */
.fact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);}
.fact{padding:20px 22px;border-right:1px solid var(--line);}
.fact:last-child{border-right:0;}
.fact .num{font-size:26px;font-weight:800;color:var(--brand);letter-spacing:.02em;}
.fact .lab{font-size:13.5px;color:var(--ink-2);margin-top:4px;}
.note{margin-top:22px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--signal);border-radius:var(--r-sm);padding:18px 20px;font-size:15px;color:var(--ink-2);}

/* 入口卡片 */
.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s,box-shadow .25s,border-color .25s;display:flex;flex-direction:column;}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6D0C2;}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#DDE3DE;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-badge{position:absolute;left:12px;top:12px;background:rgba(11,29,26,.82);color:var(--signal);font-size:12.5px;font-weight:700;padding:5px 10px;border-radius:6px;letter-spacing:.02em;}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:19px;margin-bottom:8px;}
.card-body p{font-size:14.8px;color:var(--ink-2);margin:0 0 16px;line-height:1.75;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--ink-2);border-top:1px solid var(--line);padding-top:14px;}
.card-foot .arrow{color:var(--brand);font-weight:700;transition:transform .25s;}
.card:hover .card-foot .arrow{transform:translateX(4px);}
.card-wide{grid-column:1 / -1;flex-direction:row;}
.card-wide .card-media{width:46%;aspect-ratio:auto;min-height:230px;flex:none;}
.card-wide .card-body{padding:26px;}
@media (max-width:900px){
  .card-wide{flex-direction:column;}
  .card-wide .card-media{width:100%;min-height:0;aspect-ratio:16/9;}
}

/* 识别要点列表 */
.rule-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);}
.rule{display:grid;grid-template-columns:56px minmax(0,1fr);gap:16px;padding:20px 22px;border-bottom:1px solid var(--line);transition:background .2s;}
.rule:last-child{border-bottom:0;}
.rule:hover{background:rgba(198,242,78,.09);}
.rule .idx{font-size:13px;font-weight:800;color:var(--teal);letter-spacing:.06em;padding-top:3px;}
.rule h4{font-size:16.5px;margin-bottom:6px;}
.rule p{margin:0;font-size:14.8px;color:var(--ink-2);line-height:1.78;}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative;}
.steps::before{content:"";position:absolute;left:6%;right:6%;top:26px;height:2px;background:linear-gradient(90deg,var(--signal) 0 50%,var(--line) 50%);}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 20px;box-shadow:var(--sh-1);transition:transform .25s,box-shadow .25s;}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step .dot{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-size:14px;font-weight:800;background:var(--brand);color:var(--signal);margin-bottom:14px;border:1px solid var(--brand-deep);}
.step.is-active .dot{background:var(--signal);color:var(--brand-deep);}
.step h4{font-size:16.5px;margin-bottom:6px;}
.step p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.72;}
.progress{height:6px;border-radius:99px;background:var(--line);margin-top:22px;overflow:hidden;}
.progress span{display:block;height:100%;width:62%;background:linear-gradient(90deg,var(--signal),var(--teal));border-radius:99px;}

/* 排查清单 */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.check{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1);}
.check h4{font-size:16.5px;margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.check h4::before{content:"✓";display:grid;place-items:center;width:22px;height:22px;border-radius:6px;background:rgba(198,242,78,.35);color:var(--brand);font-size:13px;font-weight:800;}
.check ul li{position:relative;padding-left:16px;font-size:14.8px;color:var(--ink-2);line-height:1.78;margin-bottom:8px;}
.check ul li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--teal);}

/* FAQ */
.faq-group + .faq-group{margin-top:28px;}
.faq-group-title{font-size:14px;font-weight:800;letter-spacing:.1em;color:var(--teal);margin-bottom:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s;}
.faq-item:hover{border-color:#D6D0C2;box-shadow:var(--sh-1);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;background:none;border:0;padding:0 22px;min-height:58px;font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;}
.faq-q .caret{flex:none;width:22px;height:22px;display:grid;place-items:center;border-radius:6px;background:rgba(14,58,52,.06);color:var(--brand);transition:transform .28s;}
.faq-item.is-open{border-color:var(--brand);}
.faq-item.is-open .faq-q .caret{transform:rotate(180deg);background:var(--signal);color:var(--brand-deep);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{margin:0;padding:0 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.85;}

/* 咨询 / 表单 */
.consult{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-1);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:700;color:var(--ink);}
.field input,.field textarea,.field select{
  width:100%;min-height:48px;padding:12px 14px;font-size:15px;color:var(--ink);
  background:var(--paper);border:1.5px solid var(--line);border-radius:10px;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.field textarea{min-height:120px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--placeholder);}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;background:#fff;border-color:var(--signal);box-shadow:0 0 0 3px rgba(198,242,78,.4);
}
.form-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:22px;}
.form-hint{font-size:13.5px;color:var(--ink-2);}

/* CTA */
.cta-band{background:var(--dark);border-radius:var(--r-lg);padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(135deg,rgba(198,242,78,.06) 0 1px,transparent 1px 16px);pointer-events:none;}
.cta-band h2{color:var(--inverse);font-size:clamp(21px,2.2vw,28px);position:relative;}
.cta-band p{color:rgba(246,244,238,.75);margin:10px 0 0;font-size:15px;max-width:640px;position:relative;}
.cta-band .btn{position:relative;flex:none;}

/* 页脚 */
.site-footer{background:var(--brand-deep);color:rgba(246,244,238,.78);margin-top:96px;padding-top:60px;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .logo-mark{background:rgba(198,242,78,.16);color:var(--signal);border-color:rgba(198,242,78,.3);}
.footer-brand .logo-text{color:var(--inverse);font-size:18px;font-weight:800;}
.footer-about{color:rgba(246,244,238,.66);font-size:14px;line-height:1.8;margin:0;max-width:340px;}
.footer-col h3{font-size:14px;color:var(--inverse);letter-spacing:.08em;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(246,244,238,.72);font-size:14.5px;transition:color .2s;}
.footer-col a:hover{color:var(--signal);}
.footer-note{color:rgba(246,244,238,.62);font-size:14px;line-height:1.8;margin:0;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:rgba(246,244,238,.56);}

/* 响应式 */
@media (max-width:1279px){
  .layout{gap:36px;}
}
@media (max-width:1023px){
  .layout{grid-template-columns:1fr;gap:32px;padding-top:48px;}
  .side{position:static;order:2;}
  .content{order:1;}
  .entry-grid{grid-template-columns:1fr;}
  .fact-grid{grid-template-columns:1fr 1fr;}
  .fact:nth-child(2){border-right:0;}
  .fact:nth-child(1),.fact:nth-child(2){border-bottom:1px solid var(--line);}
  .steps{grid-template-columns:1fr 1fr;}
  .steps::before{display:none;}
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .block{margin-bottom:52px;}
  .page-hero{min-height:200px;}
  .page-hero .container{padding-top:32px;padding-bottom:32px;}
  .form-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 24px;}
  .cta-band .btn{width:100%;}
  .site-footer{margin-top:64px;}
}
@media (max-width:520px){
  .logo-text{font-size:16px;}
  .page-hero h1{font-size:26px;}
  .fact-grid{grid-template-columns:1fr;}
  .fact{border-right:0;border-bottom:1px solid var(--line);}
  .fact:last-child{border-bottom:0;}
  .steps{grid-template-columns:1fr;}
  .rule{grid-template-columns:1fr;gap:6px;}
  .footer-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .form-foot .btn{width:100%;}
}

/* roulang page: article */
:root{
  --brand:#0E3A34;
  --brand-dark:#082622;
  --brand-soft:#1F6F63;
  --signal:#C6F24E;
  --cta:#FF6B35;
  --cta-dark:#E85A26;
  --bg:#F4F1EA;
  --dark:#0B1D1A;
  --card:#FFFFFF;
  --line:#E2DDD2;
  --ink:#16211E;
  --muted:#5C6B66;
  --rev:#F6F4EE;
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --sh-1:0 1px 2px rgba(11,29,26,.06);
  --sh-2:0 12px 32px -12px rgba(11,29,26,.18);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",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:17px;line-height:1.8;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--cta)}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(198,242,78,.55);outline-offset:2px;border-radius:6px}
h1,h2,h3{word-break:normal;overflow-wrap:break-word}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.02em}
.badge-signal{background:rgba(198,242,78,.14);color:var(--signal);border:1px solid rgba(198,242,78,.35)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:10px;font-size:16px;font-weight:700;border:1.5px solid transparent;background:transparent;cursor:pointer;white-space:nowrap;text-decoration:none;transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease}
.btn-primary{background:var(--cta);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--cta-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand);color:#fff}
.btn-light{border-color:rgba(246,244,238,.5);color:var(--rev)}
.btn-light:hover{background:var(--rev);color:var(--brand);border-color:var(--rev)}
.btn-sm{height:40px;padding:0 18px;font-size:15px;border-radius:9px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80}
.topbar{background:var(--brand-dark);color:#cfe3dc;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding-top:5px;padding-bottom:5px}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.topbar-domain{color:var(--signal);font-weight:800;letter-spacing:.02em}
.topbar-note{color:#9dbab1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-link{color:#e8f4ef;font-weight:600}
.topbar-link:hover{color:var(--signal)}
.nav-bar{background:rgba(244,241,234,.96);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.nav-bar.scrolled{box-shadow:0 6px 22px -14px rgba(11,29,26,.45)}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--brand);color:var(--signal);font-weight:800;font-size:12.5px;letter-spacing:.02em}
.logo-text{font-weight:800;font-size:18px;color:var(--ink);letter-spacing:.01em}
.nav-panel{flex:1;display:flex;align-items:center;justify-content:center}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{position:relative;display:inline-flex;align-items:center;height:68px;padding:0 2px;color:var(--muted);font-weight:600;font-size:15.5px}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:transparent;transition:background .2s ease}
.main-nav a:hover{color:var(--brand)}
.main-nav a:hover::after{background:var(--signal)}
.main-nav a.active{color:var(--ink)}
.main-nav a.active::after{background:var(--signal)}
.nav-cta{flex:none}
.drawer-head{display:none}
.drawer-actions{display:none}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--brand);cursor:pointer}
.nav-toggle:hover{background:#fff;border-color:var(--brand-soft)}
.nav-overlay{display:none}
/* ---------- article hero ---------- */
.article-hero{position:relative;isolation:isolate;color:var(--rev);padding:42px 0 54px;overflow:hidden}
.article-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(8,38,34,.94) 0%,rgba(8,38,34,.78) 52%,rgba(14,58,52,.62) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat}
.article-hero::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(198,242,78,.06) 0 1px,transparent 1px 72px);pointer-events:none}
.article-hero .container{position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(246,244,238,.68);margin-bottom:20px}
.crumbs a{color:rgba(246,244,238,.86)}
.crumbs a:hover{color:var(--signal)}
.crumbs .sep{opacity:.45}
.crumbs .current{max-width:44ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--rev)}
.article-title{font-size:clamp(28px,3.4vw,46px);font-weight:800;line-height:1.25;letter-spacing:.01em;margin:16px 0 20px;color:#fff;max-width:22ch}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:14px;color:rgba(246,244,238,.78)}
.meta-row span{display:inline-flex;align-items:center;gap:8px}
.meta-dot{width:6px;height:6px;border-radius:50%;background:var(--signal);display:inline-block}
/* ---------- article layout ---------- */
.article-section{padding:clamp(34px,5vw,56px) 0 clamp(48px,7vw,76px)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start}
.article-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);box-shadow:var(--sh-1);padding:clamp(22px,3vw,44px)}
.article-body{max-width:820px;font-size:17px;line-height:1.85}
.article-body p{margin:0 0 20px}
.article-body h2{position:relative;font-size:clamp(22px,2.2vw,30px);font-weight:800;line-height:1.35;margin:40px 0 18px;padding-left:16px}
.article-body h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--signal)}
.article-body h3{font-size:21px;font-weight:700;line-height:1.4;margin:28px 0 14px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
.article-body li{margin-bottom:10px}
.article-body img{border-radius:var(--r-m);margin:22px 0;box-shadow:var(--sh-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:22px 0;font-size:15.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body th{background:#F7F5EF;font-weight:700;white-space:nowrap}
.article-body blockquote{margin:24px 0;padding:16px 20px;background:#F7F5EF;border-left:4px solid var(--brand-soft);border-radius:0 var(--r-m) var(--r-m) 0;color:var(--muted)}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.article-body a:hover{color:var(--cta)}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:12px;min-height:260px;padding:20px}
.empty-icon{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand-soft);font-weight:800}
.empty-title{margin:0;font-size:22px;font-weight:800}
.empty-text{margin:0;color:var(--muted);font-size:15px;max-width:46ch}
/* ---------- sidebar ---------- */
.article-side{position:sticky;top:120px;display:flex;flex-direction:column;gap:18px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);padding:20px;box-shadow:var(--sh-1)}
.side-card h3{font-size:15px;font-weight:800;margin:0 0 14px;letter-spacing:.03em;color:var(--ink)}
.side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:9px;color:var(--muted);font-size:15px;border-left:3px solid transparent}
.side-list a:hover{background:#F7F5EF;color:var(--brand);border-left-color:var(--signal)}
.side-list .arrow{font-weight:700;color:var(--brand-soft)}
.side-note{margin:0;font-size:14px;line-height:1.8;color:var(--muted)}
/* ---------- related ---------- */
.section{padding:clamp(48px,7vw,88px) 0}
.related-section{background:#EFEBE1;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.eyebrow{display:inline-block;font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--brand-soft);margin-bottom:10px}
.section-head h2{font-size:clamp(24px,2.4vw,32px);font-weight:800;margin:0;line-height:1.3}
.section-head p{margin:8px 0 0;color:var(--muted);font-size:15.5px;max-width:62ch}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh-1);color:inherit;transition:transform .24s ease,box-shadow .24s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);color:inherit}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#e7e3d9}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-badge{position:absolute;left:12px;top:12px;background:rgba(11,29,26,.82);color:var(--signal);font-size:12.5px;font-weight:700;padding:5px 10px;border-radius:999px}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:18px;font-weight:800;line-height:1.45;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-text{margin:0;font-size:14.8px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--muted)}
.card-arrow{display:inline-flex;font-weight:800;color:var(--brand);transition:transform .24s ease,color .24s ease}
.card:hover .card-arrow{transform:translateX(4px);color:var(--cta)}
/* ---------- back entry ---------- */
.back-entry{padding:28px 0 0}
.back-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);padding:18px 22px;box-shadow:var(--sh-1)}
.back-bar p{margin:0;color:var(--muted);font-size:15px}
.back-links{display:flex;gap:12px;flex-wrap:wrap}
.text-link{color:var(--brand);font-weight:700;text-decoration:underline;text-underline-offset:4px}
.text-link:hover{color:var(--cta)}
/* ---------- cta ---------- */
.cta-section{padding:0 0 clamp(48px,7vw,80px)}
.cta-band{position:relative;overflow:hidden;background:var(--brand-dark);color:var(--rev);border-radius:var(--r-l);padding:clamp(26px,4vw,46px);display:flex;align-items:center;justify-content:space-between;gap:28px}
.cta-band::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(135deg,rgba(198,242,78,.05) 0 2px,transparent 2px 12px);pointer-events:none}
.cta-copy{position:relative;z-index:1}
.cta-band h2{margin:0 0 10px;font-size:clamp(22px,2.6vw,32px);font-weight:800;color:#fff}
.cta-band p{margin:0;color:rgba(246,244,238,.78);font-size:15.5px;line-height:1.8;max-width:58ch}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;flex:none}
/* ---------- footer ---------- */
.site-footer{background:var(--brand-dark);color:rgba(246,244,238,.72);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.site-footer .logo-mark{background:var(--signal);color:var(--brand-dark)}
.site-footer .logo-text{color:#fff}
.footer-about{margin:0;font-size:14.5px;line-height:1.85;color:rgba(246,244,238,.66)}
.footer-col h3{font-size:15px;font-weight:800;color:#fff;margin:0 0 16px;letter-spacing:.03em}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(246,244,238,.72);font-size:14.5px}
.footer-col a:hover{color:var(--signal)}
.footer-note{margin:0;font-size:14.5px;line-height:1.85;color:rgba(246,244,238,.66)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13.5px;color:rgba(246,244,238,.6)}
/* ---------- responsive ---------- */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:28px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
  .nav-toggle{display:inline-grid;place-items:center}
  .nav-cta{display:none}
  .nav-panel{position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);background:var(--bg);border-left:1px solid var(--line);box-shadow:-14px 0 40px -20px rgba(11,29,26,.45);transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:8px;padding:18px 20px 30px;overflow-y:auto;z-index:95}
  .nav-panel.open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:6px}
  .drawer-close{margin-left:auto;width:36px;height:36px;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:20px;line-height:1;cursor:pointer}
  .drawer-close:hover{color:var(--brand);border-color:var(--brand-soft)}
  .main-nav{flex-direction:column;align-items:stretch;gap:2px}
  .main-nav a{height:auto;padding:14px 12px;border-left:3px solid transparent;border-radius:8px;font-size:16px}
  .main-nav a::after{display:none}
  .main-nav a:hover,.main-nav a.active{background:#fff;border-left-color:var(--signal);color:var(--brand)}
  .drawer-actions{display:block;margin-top:14px}
  .drawer-actions .btn{width:100%}
  .nav-overlay{display:block;position:fixed;inset:0;background:rgba(11,29,26,.45);opacity:0;pointer-events:none;transition:opacity .28s ease;z-index:90}
  .nav-overlay.open{opacity:1;pointer-events:auto}
  .article-side{position:static;top:auto}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:24px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
  .article-body{font-size:16.5px}
  .article-title{max-width:none}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .back-bar{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  body{font-size:16px}
  .topbar-note{display:none}
  .logo-text{font-size:16px}
  .article-body{font-size:16px}
  .article-body p{margin-bottom:16px}
  .cta-actions .btn,.drawer-actions .btn{width:100%}
  .article-hero{padding:30px 0 40px}
}

/* roulang page: category2 */
:root{
  --main:#0E3A34;
  --main-deep:#082622;
  --signal:#C6F24E;
  --cta:#FF6B35;
  --cta-hover:#E85A26;
  --sub:#1F6F63;
  --bg:#F4F1EA;
  --bg-dark:#0B1D1A;
  --card:#FFFFFF;
  --line:#E2DDD2;
  --text:#16211E;
  --text-2:#5C6B66;
  --text-inv:#F6F4EE;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:20px;
  --shadow-1:0 1px 2px rgba(11,29,26,.06);
  --shadow-2:0 12px 32px -12px rgba(11,29,26,.18);
  --gap-1:8px;
  --gap-2:14px;
  --gap-3:22px;
  --gap-4:34px;
  --gap-5:56px;
  --gap-6:88px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.8;
}
img{max-width:100%;display:block;border:0}
a{color:var(--main);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--cta)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em;word-break:normal}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(198,242,78,.55);outline-offset:2px;border-radius:4px}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--gap-6) 0}
.section-head{max-width:760px;margin-bottom:var(--gap-5)}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3}
.section-head p{margin-top:12px;color:var(--text-2);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--sub);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--signal);display:block}

/* 顶部信息条 */
.topbar{
  background:var(--main-deep);color:rgba(246,244,238,.82);
  font-size:13px;line-height:38px;min-height:38px;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.topbar-domain{
  font-weight:700;color:var(--signal);letter-spacing:.04em;white-space:nowrap;
}
.topbar-tip{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:rgba(246,244,238,.66)}
.topbar-link{
  color:var(--text-inv);white-space:nowrap;display:inline-flex;align-items:center;gap:6px;
  border-bottom:1px solid rgba(198,242,78,.5);line-height:1.6;
}
.topbar-link:hover{color:var(--signal)}

/* 主导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--bg);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(11,29,26,.35)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:70px;
}
.brand{display:inline-flex;align-items:center;gap:10px}
.logo-mark{
  width:34px;height:34px;border-radius:9px;background:var(--main);color:var(--signal);
  font-size:13px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;
  letter-spacing:.02em;flex:0 0 auto;
}
.logo-text{font-size:18px;font-weight:800;color:var(--main);letter-spacing:.01em}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  position:relative;padding:24px 14px;font-size:15.5px;font-weight:600;color:var(--text-2);
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;height:2px;
  background:var(--signal);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.main-nav a:hover{color:var(--main)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--main)}
.main-nav a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-btn{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:var(--card);cursor:pointer;align-items:center;justify-content:center;
}
.menu-btn span{display:block;width:18px;height:2px;background:var(--main);position:relative}
.menu-btn span::before,.menu-btn span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--main);
}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:10px;font-size:15.5px;font-weight:700;
  border:1.5px solid transparent;cursor:pointer;transition:.22s ease;
}
.btn-primary{background:var(--cta);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--cta-hover);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--main);color:var(--main)}
.btn-ghost:hover{background:var(--main);color:var(--text-inv)}
.btn-ghost:active{background:var(--main-deep)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;pointer-events:none}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;
  border-bottom:1px solid rgba(14,58,52,.35);text-decoration:none;padding-bottom:2px;
}
.link-arrow:hover{border-color:var(--cta)}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;display:none;
}
.drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(11,29,26,.5)}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;
  background:var(--bg);padding:22px;overflow-y:auto;
  box-shadow:-16px 0 40px -20px rgba(11,29,26,.5);
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--card);
  cursor:pointer;color:var(--main);font-size:20px;line-height:1;
}
.drawer-group-title{font-size:13px;font-weight:700;color:var(--text-2);letter-spacing:.12em;margin:18px 0 10px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 12px;border-radius:var(--radius-s);font-weight:600;color:var(--text);
  border-left:3px solid transparent;background:var(--card);margin-bottom:8px;
}
.drawer-link:hover,.drawer-link.active{border-left-color:var(--signal);color:var(--main)}

/* Hero */
.cat-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background-image:linear-gradient(105deg,rgba(8,38,34,.92) 0%,rgba(8,38,34,.78) 52%,rgba(11,29,26,.6) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  color:var(--text-inv);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.045) 0 1px,transparent 1px 14px);
}
.cat-hero .container{position:relative;z-index:2;padding-top:52px;padding-bottom:52px}
.crumb{font-size:13px;color:rgba(246,244,238,.7);margin-bottom:18px;display:flex;gap:8px;flex-wrap:wrap}
.crumb a{color:rgba(246,244,238,.82)}
.crumb a:hover{color:var(--signal)}
.cat-hero h1{
  font-size:clamp(30px,3.8vw,46px);line-height:1.25;max-width:820px;
}
.cat-hero .lead{
  margin-top:16px;max-width:680px;font-size:17px;color:rgba(246,244,238,.86);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:rgba(198,242,78,.14);color:var(--signal);border:1px solid rgba(198,242,78,.3);
}
.tag-plain{background:rgba(255,255,255,.08);color:rgba(246,244,238,.86);border-color:rgba(255,255,255,.14)}

/* 标签条 */
.tagbar-wrap{
  position:sticky;top:70px;z-index:40;background:rgba(244,241,234,.94);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
}
.tagbar{display:flex;gap:8px;overflow-x:auto;padding:12px 0;scrollbar-width:thin}
.tagbar a{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;border:1px solid var(--line);
  background:var(--card);font-size:14.5px;font-weight:600;color:var(--text-2);
}
.tagbar a:hover{border-color:var(--sub);color:var(--main)}
.tagbar a.is-active{background:var(--main);color:var(--text-inv);border-color:var(--main)}

/* 图文交替 */
.zig{display:grid;gap:var(--gap-5)}
.zig-row{
  display:grid;grid-template-columns:1.05fr 1fr;gap:var(--gap-5);align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:26px;box-shadow:var(--shadow-1);transition:box-shadow .25s ease,transform .25s ease;
}
.zig-row:hover{box-shadow:var(--shadow-2)}
.zig-row.rev .zig-media{order:2}
.zig-media{position:relative;border-radius:var(--radius-m);overflow:hidden;aspect-ratio:16/10}
.zig-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.zig-row:hover .zig-media img{transform:scale(1.03)}
.zig-media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,38,34,.05),rgba(8,38,34,.22));
}
.zig-num{
  position:absolute;top:14px;left:14px;z-index:2;
  background:var(--signal);color:var(--main-deep);font-weight:800;font-size:14px;
  padding:6px 12px;border-radius:8px;letter-spacing:.06em;
}
.zig-body h3{font-size:clamp(20px,2vw,24px);line-height:1.4}
.zig-body p{margin-top:14px;color:var(--text-2);font-size:16px}
.zig-list{margin-top:18px;display:grid;gap:10px}
.zig-list li{
  position:relative;padding-left:24px;font-size:15.5px;color:var(--text);
}
.zig-list li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:3px;
  background:var(--sub);transform:rotate(45deg);
}
.zig-actions{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* 步骤条 */
.steps-section{background:var(--bg-dark);color:var(--text-inv)}
.steps-section .section-head h2{color:var(--text-inv)}
.steps-section .section-head p{color:rgba(246,244,238,.68)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.step{
  position:relative;padding:24px 20px;border-radius:var(--radius-m);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
}
.step::before{
  content:"";position:absolute;top:38px;right:-18px;width:18px;height:1px;
  background:rgba(198,242,78,.35);
}
.step:last-child::before{display:none}
.step-no{
  font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--signal);
}
.step h3{font-size:18px;margin-top:10px;color:var(--text-inv)}
.step p{margin-top:10px;font-size:14.5px;color:rgba(246,244,238,.7);line-height:1.75}
.step.is-current{background:rgba(198,242,78,.1);border-color:rgba(198,242,78,.45)}
.progress-line{margin-top:30px;height:6px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
.progress-line i{display:block;height:100%;width:68%;border-radius:999px;background:linear-gradient(90deg,var(--sub),var(--signal))}

/* 核对清单 + 数据 */
.check-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:var(--gap-5);align-items:start}
.check-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:28px;box-shadow:var(--shadow-1);
}
.check-card h3{font-size:22px}
.check-list{margin-top:20px;display:grid;gap:0}
.check-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);font-size:15.5px;
}
.check-list li:last-child{border-bottom:0}
.check-mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:rgba(31,111,99,.12);
  color:var(--sub);font-size:14px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.check-list strong{display:block;font-size:16px;margin-bottom:2px}
.check-list span{color:var(--text-2);font-size:14.5px}
.stat-stack{display:grid;gap:16px}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:20px 22px;box-shadow:var(--shadow-1);
}
.stat b{display:block;font-size:28px;color:var(--main);line-height:1.2}
.stat span{font-size:14px;color:var(--text-2)}
.note-box{
  margin-top:16px;border-left:3px solid var(--signal);background:rgba(198,242,78,.12);
  padding:16px 18px;border-radius:0 var(--radius-s) var(--radius-s) 0;font-size:14.5px;color:var(--text-2);
}

/* FAQ */
.faq-group{margin-bottom:34px}
.faq-group h3{font-size:20px;margin-bottom:16px;color:var(--main)}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:58px;padding:14px 20px;background:transparent;border:0;cursor:pointer;
  font-size:16.5px;font-weight:700;color:var(--text);text-align:left;line-height:1.6;
}
.faq-q:hover{color:var(--main)}
.faq-q .chev{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:rgba(14,58,52,.08);
  color:var(--main);font-size:14px;display:flex;align-items:center;justify-content:center;
  transition:transform .28s ease;
}
.faq-item.is-open .faq-q .chev{transform:rotate(180deg);background:var(--signal);color:var(--main-deep)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 20px 20px;color:var(--text-2);font-size:15.5px;line-height:1.8}

/* CTA */
.cta-band{background:var(--main);color:var(--text-inv);position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(60deg,rgba(198,242,78,.06) 0 1px,transparent 1px 18px);
}
.cta-band .container{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  gap:30px;padding-top:52px;padding-bottom:52px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(23px,2.5vw,32px);line-height:1.35}
.cta-band p{margin-top:12px;color:rgba(246,244,238,.78);max-width:600px;font-size:16px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn-ghost{border-color:rgba(246,244,238,.6);color:var(--text-inv)}
.cta-band .btn-ghost:hover{background:var(--text-inv);color:var(--main)}

/* 页脚 */
.site-footer{background:var(--main-deep);color:rgba(246,244,238,.78);padding-top:64px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-mark{background:rgba(198,242,78,.16);color:var(--signal)}
.footer-brand .logo-text{color:var(--text-inv);font-size:17px}
.footer-about{font-size:14.5px;line-height:1.8;color:rgba(246,244,238,.66);max-width:340px}
.footer-col h3{font-size:15px;color:var(--text-inv);margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(246,244,238,.72);font-size:14.5px}
.footer-col a:hover{color:var(--signal)}
.footer-note{font-size:14px;line-height:1.8;color:rgba(246,244,238,.62)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:22px 0;font-size:13px;color:rgba(246,244,238,.56);
}

/* 响应式 */
@media (max-width:1279px){
  .container{max-width:1080px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .menu-btn{display:inline-flex}
  .tagbar-wrap{top:70px}
  .zig-row{grid-template-columns:1fr;gap:22px;padding:20px}
  .zig-row.rev .zig-media{order:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::before{display:none}
  .check-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:64px 0}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .topbar-tip{display:none}
  .section{padding:52px 0}
  .cat-hero .container{padding-top:38px;padding-bottom:38px}
  .tagbar-wrap{top:64px}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-band .container{padding-top:42px;padding-bottom:42px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header-inner{min-height:64px;gap:12px}
  .logo-text{font-size:16px}
  .cat-hero h1{font-size:28px}
  .section-head h2{font-size:23px}
  .btn{width:100%}
  .header-actions .btn{width:auto}
  .zig-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}