/* roulang page: index */
:root{
  --turf-900:#07211A;
  --turf-800:#0B3A2B;
  --turf-700:#14523D;
  --turf-600:#1E6B4F;
  --lime:#C4F04A;
  --lime-dark:#B4E638;
  --amber:#FF7A2F;
  --bg:#F4F7F3;
  --card:#FFFFFF;
  --ink:#14231D;
  --ink-soft:#5C6F66;
  --line:#E2EAE0;
  --ok:#2F9E63;
  --warn:#E4572E;
  --nav-w:240px;
  --r-card:16px;
  --r-btn:10px;
  --sh-1:0 2px 4px rgba(11,58,43,.05),0 12px 28px rgba(11,58,43,.08);
  --sh-2:0 6px 12px rgba(11,58,43,.10),0 20px 40px rgba(11,58,43,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.36;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
:where(a,button,summary,input,textarea):focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:8px}
.num{font-family:"Barlow Condensed","Oswald",system-ui,sans-serif;font-weight:700;letter-spacing:.02em}

/* ---------- 骨架 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--turf-800);color:#DCE9E1;z-index:60;
  display:flex;flex-direction:column;
  border-right:1px solid rgba(255,255,255,.06);
}
.brand{display:flex;align-items:center;gap:12px;padding:22px 18px;color:#fff}
.brand-mark{
  width:38px;height:38px;flex:none;border-radius:12px;background:var(--lime);
  color:var(--turf-800);display:grid;place-items:center;font-size:17px;font-weight:800;
}
.brand-text{font-size:14.5px;font-weight:800;line-height:1.35}
.nav-panel{flex:1;display:flex;flex-direction:column;min-height:0}
.nav-list{flex:1;display:flex;flex-direction:column;gap:4px;padding:10px 12px;overflow-y:auto}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;min-height:48px;
  padding:0 14px;border-radius:10px;color:#B9CFC4;font-size:14.5px;font-weight:600;
  transition:background .16s ease,color .16s ease,transform .16s ease;
}
.nav-item .nav-ico{width:20px;height:20px;flex:none}
.nav-item:hover{background:var(--turf-700);color:#fff;transform:translateX(8px)}
.nav-item.is-active{background:var(--turf-700);color:#fff}
.nav-item.is-active .nav-ico{color:var(--lime)}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--lime);
}
.nav-foot{padding:16px;border-top:1px solid rgba(255,255,255,.08)}
.nav-foot p{margin-top:10px;font-size:12.5px;color:#7F9A8D;line-height:1.6}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;place-items:center;color:#fff}
.nav-toggle:hover{background:rgba(255,255,255,.08)}

.page{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.kicker{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--turf-600);
  text-transform:uppercase;
}
.kicker::before{content:"";width:16px;height:3px;border-radius:2px;background:var(--lime)}
.kicker-light{color:var(--lime)}
.section-title{font-size:28px;color:var(--ink)}
.section-title.on-dark{color:#fff}
.section-desc{margin-top:10px;font-size:15px;color:var(--ink-soft);max-width:720px}
.on-dark-desc{color:#9FB8AC}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--turf-700);
  position:relative;padding-bottom:2px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--lime);transition:width .18s ease;
}
.link-more:hover::after{width:100%}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;white-space:nowrap;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--lime);color:var(--turf-800)}
.btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(11,58,43,.18)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;border-color:var(--turf-800);color:var(--turf-800)}
.btn-outline:hover{background:var(--turf-800);color:#fff;transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-dark{background:var(--turf-800);color:#fff}
.btn-dark:hover{background:var(--turf-700);transform:translateY(-2px);box-shadow:0 10px 22px rgba(11,58,43,.24)}
.btn-dark:active{transform:translateY(0);box-shadow:none}
.btn-on-dark{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn-on-dark:hover{background:#fff;color:var(--turf-800);transform:translateY(-2px)}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;font-size:12px;line-height:1.6;
  background:var(--bg);color:var(--ink-soft);border:1px solid var(--line);
}
.badge-amber{background:rgba(255,122,47,.12);color:#C2510F;border-color:transparent}
.badge-lime{background:rgba(196,240,74,.24);color:#3F5D0B;border-color:transparent}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--turf-900)}
.hero-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;opacity:.6}
.hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,33,26,.95) 0%,rgba(7,33,26,.86) 42%,rgba(7,33,26,.42) 100%)}
.hero-inner{
  position:relative;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:56px;align-items:center;min-height:520px;padding:88px 0 80px;
}
.hero h1{font-size:40px;color:#fff;margin-top:16px}
.hero-sub{margin-top:16px;font-size:17px;color:#C2D6CB;max-width:520px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#D6E6DC;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  padding:6px 12px;border-radius:999px;
}
.chip svg{width:14px;height:14px;color:var(--lime)}
.scorecard{
  background:rgba(255,255,255,.97);border:1px solid rgba(255,255,255,.7);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-2);
}
.scorecard-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.scorecard-head .num{font-size:14px;letter-spacing:.16em;color:var(--turf-600)}
.score-list li{display:flex;gap:14px;align-items:flex-start;padding:15px 0;border-bottom:1px dashed var(--line)}
.score-list li:last-child{border-bottom:0;padding-bottom:0}
.score-list .num{font-size:26px;line-height:1.05;color:var(--turf-700);min-width:36px}
.score-list strong{display:block;font-size:15.5px;font-weight:700}
.score-list em{font-style:normal;font-size:13.5px;color:var(--ink-soft)}

/* ---------- 数据带 ---------- */
.statband{background:#fff;border-bottom:1px solid var(--line);padding:36px 0}
.statband-inner{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.stat .num{display:block;font-size:42px;line-height:1;color:var(--turf-700)}
.stat p{margin-top:8px;font-size:13.5px;color:var(--ink-soft);line-height:1.6}

/* ---------- 卡片通用 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(196,240,74,.45)}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}

/* ---------- 功能卡 ---------- */
.feature-card{display:flex;flex-direction:column;gap:14px;padding:28px}
.feature-ico{
  width:56px;height:56px;border-radius:50%;background:rgba(196,240,74,.22);
  color:var(--turf-700);display:grid;place-items:center;
}
.feature-ico svg{width:24px;height:24px}
.feature-card h3{font-size:19px}
.feature-card p{font-size:14.5px;color:var(--ink-soft);line-height:1.8}
.feature-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.feature-foot .num{font-size:20px;color:var(--turf-600)}
.feature-foot span:last-child{font-size:12.5px;color:var(--ink-soft)}

/* ---------- 媒体卡 ---------- */
.media-card{overflow:hidden;display:flex;flex-direction:column}
.media-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg)}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.media-card:hover .media-thumb img{transform:scale(1.04)}
.media-thumb::after{content:"";position:absolute;inset:auto 0 0 0;height:44%;background:linear-gradient(180deg,rgba(7,33,26,0) 0%,rgba(7,33,26,.55) 100%)}
.media-tag{position:absolute;top:12px;right:12px;z-index:2}
.media-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px}
.media-body h3{font-size:17.5px}
.media-body p{font-size:14px;color:var(--ink-soft);line-height:1.75}

/* ---------- 流程区 ---------- */
.process{
  background:var(--turf-900);border-radius:24px;padding:48px;
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;
}
.step-list{margin-top:28px;display:flex;flex-direction:column;gap:4px}
.step-list li{display:flex;gap:16px;align-items:flex-start;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.step-list li:last-child{border-bottom:0}
.step-no{
  flex:none;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(196,240,74,.16);color:var(--lime);font-size:17px;
}
.step-list strong{display:block;color:#fff;font-size:15.5px;font-weight:700}
.step-list em{font-style:normal;font-size:13.5px;color:#9FB8AC;line-height:1.7}
.meter{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:32px}
.meter-value{font-size:56px;line-height:1;color:var(--lime)}
.meter-value span{font-size:24px;margin-left:2px}
.meter-label{margin-top:8px;font-size:13.5px;color:#9FB8AC}
.meter-bars{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:6px;margin:24px 0 14px}
.bar{height:10px;border-radius:999px;background:var(--turf-600)}
.bar.is-on{background:var(--lime)}
.meter-note{font-size:13px;color:#7F9A8D;line-height:1.7}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--lime);border-radius:24px;padding:40px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-band p{font-size:20px;font-weight:800;color:var(--turf-800);max-width:640px}

/* ---------- 最新信息 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(196,240,74,.45)}
.post-card--lead{grid-column:span 3;flex-direction:row}
.post-card--lead .post-lead-media{width:42%;flex:none;overflow:hidden;background:var(--bg)}
.post-card--lead .post-lead-media img{width:100%;height:100%;object-fit:cover}
.post-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card--lead .post-body{padding:32px;justify-content:center}
.post-title{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card--lead .post-title{font-size:22px}
.post-sum{font-size:14px;color:var(--ink-soft);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-soft)}
.post-arrow{margin-left:auto;color:var(--turf-700);font-weight:700;transition:transform .18s ease}
.post-card:hover .post-arrow{transform:translateX(4px)}
.post-empty{
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:56px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
}
.post-empty-ico{width:52px;height:52px;border-radius:14px;background:var(--bg);display:grid;place-items:center;color:var(--turf-600);font-size:22px}
.post-empty p{font-size:15px;color:var(--ink-soft)}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;align-items:start}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item[open]{border-color:rgba(196,240,74,.85);box-shadow:0 8px 20px rgba(11,58,43,.06)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16.5px;font-weight:700;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;font-weight:600;color:var(--turf-600);line-height:1;flex:none}
.faq-item[open] summary::after{content:"\2212"}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--ink-soft)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--turf-800);color:#B9CFC4;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px}
.footer-logo{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-size:15px}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:#8FA99C;max-width:320px}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:14px}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:#B9CFC4;transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:var(--lime);transform:translateX(3px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 32px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#7F9A8D;
}
.to-top{display:inline-flex;align-items:center;gap:6px;color:#B9CFC4;font-weight:600}
.to-top:hover{color:var(--lime)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .grid-4{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1023px){
  :root{--nav-w:72px}
  .brand{padding:20px 0;justify-content:center}
  .brand-text{display:none}
  .nav-list{padding:10px}
  .nav-item{justify-content:center;padding:0;gap:0}
  .nav-item:hover{transform:none}
  .nav-label{display:none}
  .nav-foot{display:none}
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:36px;padding:64px 0 56px;min-height:0}
  .hero h1{font-size:34px}
  .process{grid-template-columns:minmax(0,1fr);gap:32px;padding:36px}
  .post-card--lead{grid-column:span 2;flex-direction:column}
  .post-card--lead .post-lead-media{width:100%;height:220px}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--nav-w:0px}
  .side-nav{
    position:fixed;top:0;left:0;right:0;bottom:auto;height:64px;width:auto;
    flex-direction:row;align-items:center;justify-content:space-between;padding:0 16px;
  }
  .brand{padding:0}
  .brand-text{display:block;font-size:14px;max-width:170px}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:15px}
  .nav-toggle{display:grid}
  .nav-panel{
    position:fixed;top:64px;left:0;right:0;bottom:0;display:none;
    flex-direction:column;background:var(--turf-900);padding:16px;overflow-y:auto;
  }
  .side-nav.is-open .nav-panel{display:flex}
  .nav-list{flex:1;padding:0}
  .nav-item{justify-content:flex-start;gap:12px;padding:0 16px;height:56px;font-size:15px}
  .nav-item:hover{transform:none;background:var(--turf-700)}
  .nav-label{display:inline}
  .nav-foot{display:block;padding:16px 0 0;background:transparent}
  .page{margin-left:0;padding-top:64px}
  .wrap{padding:0 16px}
  .section{padding:48px 0}
  .section-title{font-size:22px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{flex:1}
  .statband-inner{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .grid-3,.grid-4,.post-grid{grid-template-columns:minmax(0,1fr)}
  .post-card--lead{grid-column:auto;flex-direction:column}
  .post-card--lead .post-lead-media{width:100%;height:190px}
  .post-card--lead .post-body{padding:24px}
  .post-card--lead .post-title{font-size:18px}
  .faq-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:28px 24px;border-radius:18px}
  .cta-band p{font-size:17px}
  .cta-band .btn{width:100%}
  .process{padding:24px;border-radius:18px}
  .meter{padding:24px}
  .meter-value{font-size:44px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 28px}
  .footer-brand{grid-column:span 2}
  .footer-brand p{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:520px){
  .brand-text{max-width:130px;font-size:13px}
  .hero h1{font-size:25px}
  .hero-actions{gap:10px}
  .scorecard{padding:20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand{grid-column:auto}
}

/* roulang page: article */
:root{
  --green-900:#07211A;
  --green-800:#0B3A2B;
  --green-700:#14523D;
  --green-600:#1E6B4F;
  --lime:#C4F04A;
  --lime-dark:#B4E638;
  --amber:#FF7A2F;
  --bg:#F4F7F3;
  --card:#FFFFFF;
  --line:#E2EAE0;
  --ink:#14231D;
  --muted:#5C6F66;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 2px 4px rgba(11,58,43,.05), 0 12px 28px rgba(11,58,43,.08);
  --shadow-lg:0 6px 12px rgba(11,58,43,.10), 0 20px 40px rgba(11,58,43,.14);
  --nav-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-family:"Barlow Condensed","Oswald","PingFang SC",sans-serif;font-weight:700;letter-spacing:.01em}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--green-800);color:#fff;
  display:flex;flex-direction:column;
  padding:28px 20px 24px;z-index:60;
  border-right:1px solid rgba(255,255,255,.06);
}
.brand{display:flex;align-items:center;gap:12px;padding:2px 4px}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:var(--lime);color:var(--green-800);
  display:grid;place-items:center;font-size:19px;font-weight:800;
}
.brand-text{font-size:16px;font-weight:800;line-height:1.35;letter-spacing:.01em}
.nav-panel{flex:1;display:flex;flex-direction:column;margin-top:30px;overflow-y:auto;scrollbar-width:thin}
.nav-list{display:flex;flex-direction:column;gap:6px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  min-height:48px;padding:0 12px;border-radius:12px;
  color:rgba(255,255,255,.78);font-size:15px;font-weight:600;
  transition:background .18s ease,color .18s ease,transform .16s ease;
}
.nav-item:hover{background:var(--green-700);color:#fff;transform:translateX(8px)}
.nav-item.is-active{background:var(--green-700);color:#fff}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;
  border-radius:0 3px 3px 0;background:var(--lime);
}
.nav-ico{width:20px;height:20px;flex:0 0 20px;color:rgba(255,255,255,.55);transition:color .18s ease}
.nav-item:hover .nav-ico,.nav-item.is-active .nav-ico{color:var(--lime)}
.nav-foot{margin-top:auto;padding-top:22px;border-top:1px solid rgba(255,255,255,.1)}
.nav-foot p{margin-top:12px;font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.55)}
.nav-toggle{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--lime);color:var(--green-800);box-shadow:0 6px 16px rgba(196,240,74,.28)}
.btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(196,240,74,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 3px 10px rgba(196,240,74,.24)}
.btn-ghost{background:transparent;border:1px solid rgba(11,58,43,.28);color:var(--green-800)}
.btn-ghost:hover{background:var(--green-800);border-color:var(--green-800);color:#fff}
.btn-dark{background:var(--green-800);color:#fff}
.btn-dark:hover{background:var(--green-900);transform:translateY(-2px)}
.btn-block{width:100%}

/* ---------- 页面主体 ---------- */
.page{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
.page-main{flex:1}

/* ---------- 文章头图区 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background-color:var(--green-900);
  background-image:linear-gradient(90deg,rgba(7,33,26,.94) 0%,rgba(7,33,26,.82) 46%,rgba(7,33,26,.45) 100%),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center right;
  color:#fff;padding:46px 0 72px;
}
.article-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;
  background:linear-gradient(180deg,rgba(244,247,243,0) 0%,rgba(244,247,243,.35) 100%);
  pointer-events:none;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62)}
.breadcrumb a{color:rgba(255,255,255,.78);transition:color .18s ease}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{color:rgba(255,255,255,.38)}
.breadcrumb .current{color:#fff;font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 16px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;line-height:1.7;
}
.badge-lime{background:rgba(196,240,74,.16);color:var(--lime);border:1px solid rgba(196,240,74,.34)}
.badge-soft{background:rgba(255,255,255,.12);color:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.16)}
.badge-amber{background:rgba(255,122,47,.16);color:#FFB183;border:1px solid rgba(255,122,47,.32)}
.article-title{
  font-size:38px;line-height:1.35;font-weight:800;letter-spacing:.005em;
  max-width:900px;margin:0 0 20px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13.5px;color:rgba(255,255,255,.7)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.32)}
.meta-row strong{color:#fff;font-weight:700}

/* ---------- 阅读布局 ---------- */
.reading{padding:48px 0 24px}
.reader{display:grid;grid-template-columns:minmax(0,760px) 260px;gap:56px;justify-content:center;align-items:start}
.article-main{min-width:0}
.article-body{
  font-size:16.5px;line-height:1.9;color:var(--ink);
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  position:relative;font-size:26px;line-height:1.42;font-weight:800;
  color:var(--green-800);margin:1.9em 0 .8em;padding-left:16px;scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:var(--lime);
}
.article-body h3{font-size:19px;font-weight:800;color:var(--green-800);margin:1.6em 0 .55em;scroll-margin-top:96px}
.article-body h4{font-size:17px;font-weight:800;color:var(--ink);margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body ul li,.article-body ol li{margin:.35em 0;line-height:1.85}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li::marker{color:var(--green-600);font-weight:700}
.article-body a{color:var(--green-600);font-weight:600;border-bottom:1px solid rgba(30,107,79,.35);transition:color .18s ease,border-color .18s ease}
.article-body a:hover{color:var(--amber);border-color:rgba(255,122,47,.6)}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;border-left:4px solid var(--lime);
  background:var(--bg);border-radius:0 12px 12px 0;color:var(--muted);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.6em auto;box-shadow:var(--shadow)}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:1.7em 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(--bg);font-weight:800;color:var(--green-800)}
.article-body tr:last-child td{border-bottom:0}
.article-body code{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:.92em}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* ---------- 右侧信息栏 ---------- */
.reader-aside{display:flex;flex-direction:column;gap:18px;position:sticky;top:28px}
.aside-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.aside-card h4{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:800;color:var(--green-800);margin-bottom:14px}
.aside-card h4::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--lime)}
.aside-card p{font-size:13.5px;line-height:1.8;color:var(--muted);margin-bottom:14px}
.toc-list{position:relative;border-left:1px solid var(--line);padding-left:2px}
.toc-list a{
  display:block;font-size:13.5px;line-height:1.7;color:var(--muted);
  padding:6px 10px;border-left:2px solid transparent;margin-left:-1px;transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.toc-list a:hover{color:var(--green-800);background:var(--bg)}
.toc-list a.is-active{color:var(--green-800);font-weight:700;border-left-color:var(--lime);background:rgba(196,240,74,.12)}
.toc-sub a{padding-left:22px}

/* ---------- 文末操作 ---------- */
.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:40px;padding-top:24px;border-top:1px solid var(--line);
}
.share-set{display:flex;align-items:center;gap:10px}
.share-label{font-size:13px;color:var(--muted)}
.share-btn{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--card);border:1px solid var(--line);color:var(--green-700);
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.share-btn:hover{background:var(--green-800);border-color:var(--green-800);color:var(--lime);transform:translateY(-2px)}
.share-btn svg{width:17px;height:17px}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;background:var(--card);border:1px dashed var(--line);
  border-radius:var(--radius);padding:56px 24px;box-shadow:var(--shadow);
}
.empty-ico{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  display:grid;place-items:center;background:rgba(255,122,47,.12);color:var(--amber);
  font-size:22px;font-weight:800;
}
.empty-state h2{font-size:22px;font-weight:800;color:var(--green-800);margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:15px;max-width:460px;margin:0 auto 22px}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:28px;font-weight:800;color:var(--green-800);line-height:1.35}
.section-head h2 span{display:block;font-size:14px;font-weight:600;color:var(--muted);margin-top:6px}
.link-more{font-size:14px;font-weight:700;color:var(--green-600);position:relative;padding-bottom:2px}
.link-more::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--lime);transition:width .18s ease}
.link-more:hover::after{width:100%}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.entry-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(196,240,74,.6)}
.entry-thumb{position:relative;aspect-ratio:16/9;background:var(--bg);overflow:hidden}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.entry-card:hover .entry-thumb img{transform:scale(1.04)}
.entry-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,58,43,0) 45%,rgba(7,33,26,.6) 100%)}
.entry-thumb .badge{position:absolute;left:14px;bottom:14px;z-index:2}
.entry-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.entry-body h3{font-size:19px;font-weight:800;color:var(--green-800)}
.entry-body p{font-size:14.5px;color:var(--muted);line-height:1.8}
.entry-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}
.entry-foot .arrow{font-weight:800;color:var(--green-600);transition:transform .18s ease}
.entry-card:hover .entry-foot .arrow{transform:translateX(4px)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:0 20px;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:rgba(196,240,74,.85);box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 0;font-size:16px;font-weight:700;color:var(--green-800);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 24px;text-align:center;font-size:20px;font-weight:700;
  color:var(--green-600);transition:transform .2s ease,color .2s ease;
}
.faq-item[open] summary::after{content:"–";color:var(--amber)}
.faq-body{padding:0 0 20px;font-size:15px;line-height:1.9;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-band{background:var(--lime);border-radius:24px;padding:34px 38px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;margin-bottom:64px}
.cta-band h2{font-size:24px;font-weight:800;color:var(--green-800);line-height:1.4}
.cta-band p{font-size:14.5px;color:rgba(11,58,43,.72);margin-top:6px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green-800);color:rgba(255,255,255,.72);padding:56px 0 26px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:16px;color:#fff;font-weight:800;font-size:16px}
.footer-brand p{font-size:13.8px;line-height:1.9;color:rgba(255,255,255,.6);max-width:340px}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;line-height:1.8;padding:5px 0;color:rgba(255,255,255,.68);transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:var(--lime);transform:translateX(4px)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{color:rgba(255,255,255,.75);font-weight:700}
.to-top:hover{color:var(--lime)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .reader{grid-template-columns:minmax(0,760px);justify-content:center}
  .reader-aside{position:static;flex-direction:row;flex-wrap:wrap}
  .reader-aside .aside-card{flex:1 1 280px}
}
@media (max-width:1023px){
  .side-nav{
    top:0;left:0;right:0;bottom:auto;width:auto;height:68px;
    flex-direction:row;align-items:center;justify-content:space-between;
    padding:0 16px;border-right:0;border-bottom:1px solid rgba(255,255,255,.08);
    box-shadow:0 6px 22px rgba(7,33,26,.22);
  }
  .brand-text{font-size:15px}
  .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:10px;font-size:17px}
  .nav-panel{
    position:fixed;top:68px;left:0;right:0;bottom:0;margin:0;
    padding:18px 16px 32px;background:var(--green-900);
    display:flex;flex-direction:column;overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
  }
  .nav-panel.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-item{min-height:56px;border-radius:0;border-bottom:1px solid rgba(255,255,255,.08);padding:0 8px}
  .nav-item:hover{transform:none}
  .nav-item.is-active::before{left:-8px}
  .nav-foot{margin-top:24px;padding-top:20px}
  .nav-toggle{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.1);color:#fff}
  .nav-toggle:hover{background:rgba(255,255,255,.18)}
  .page{margin-left:0;padding-top:68px}
  .article-hero{padding:34px 0 56px}
  .article-title{font-size:30px}
  .reading{padding:36px 0 16px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .article-title{font-size:25px;line-height:1.4}
  .breadcrumb .current{max-width:200px}
  .meta-row{gap:8px 14px;font-size:12.8px}
  .section{padding:40px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:20px}
  .section-head h2{font-size:22px}
  .grid-2{grid-template-columns:minmax(0,1fr);gap:18px}
  .faq-list{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:26px 22px;border-radius:18px;margin-bottom:48px}
  .cta-band h2{font-size:20px}
  .cta-band .btn{width:100%}
  .article-body{font-size:16px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .site-footer{padding:40px 0 22px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .article-foot{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .article-title{font-size:22px}
  .entry-body{padding:16px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --ink:#0B3A2B; --ink-2:#14523D; --ink-3:#1E6B4F;
  --lime:#C4F04A; --lime-2:#B4E638; --amber:#FF7A2F;
  --bg:#F4F7F3; --card:#FFFFFF; --dark:#07211A;
  --text:#14231D; --muted:#5C6F66; --line:#E2EAE0;
  --ok:#2F9E63; --warn:#E4572E;
  --r-card:16px; --r-btn:10px; --r-pill:999px;
  --sh:0 2px 4px rgba(11,58,43,.05), 0 12px 28px rgba(11,58,43,.08);
  --sh-h:0 6px 12px rgba(11,58,43,.10), 0 20px 40px rgba(11,58,43,.14);
  --sec:88px; --nav-w:240px;
  --font:"PingFang SC","Noto Sans SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-num:"Barlow Condensed","Oswald","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
.site-body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:var(--font);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
.site-body a{color:inherit;text-decoration:none}
.site-body img{max-width:100%;display:block;object-fit:cover}
.site-body button{font-family:inherit}
.site-body h1,.site-body h2,.site-body h3,.site-body h4{margin:0;font-weight:800;line-height:1.4;color:var(--ink)}
.site-body p{margin:0}
.site-body ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:6px}

/* ============ 布局 ============ */
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.page-main{margin-left:var(--nav-w);padding-bottom:0}
.section{padding:var(--sec) 0}
.section--tight{padding:56px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.sec-title{position:relative;padding-left:14px;font-size:28px}
.sec-title::before{content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:2px;background:var(--lime)}
.sec-sub{margin-top:10px;color:var(--muted);font-size:15px;max-width:640px}
.sec-link{font-size:14px;font-weight:700;color:var(--ink);border-bottom:1px solid rgba(11,58,43,.25);padding-bottom:2px;transition:color .18s,border-color .18s}
.sec-link:hover{color:var(--ink-3);border-color:var(--lime)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}

/* ============ 左侧导航 ============ */
.side-nav{
  position:fixed;left:0;top:0;bottom:0;width:var(--nav-w);
  background:var(--ink);display:flex;flex-direction:column;
  padding:24px 18px 22px;z-index:70;
}
.brand{display:flex;align-items:center;gap:12px;padding:4px 6px 22px;border-bottom:1px solid rgba(255,255,255,.10)}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--lime);color:var(--ink);display:grid;place-items:center;
  font-weight:800;font-size:19px;letter-spacing:0;
}
.brand-text{color:#fff;font-weight:800;font-size:15px;line-height:1.35}
.nav-panel{display:flex;flex-direction:column;flex:1;min-height:0;padding-top:18px}
.nav-list{display:flex;flex-direction:column;gap:6px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:10px;color:rgba(255,255,255,.74);
  font-size:15px;font-weight:600;transition:background .16s ease,color .16s ease,transform .16s ease;
}
.nav-item .nav-ico{width:20px;height:20px;flex:0 0 20px;color:rgba(255,255,255,.62);transition:color .16s}
.nav-item:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(8px)}
.nav-item:hover .nav-ico{color:var(--lime)}
.nav-item.is-active{background:var(--ink-2);color:#fff}
.nav-item.is-active .nav-ico{color:var(--lime)}
.nav-item.is-active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:var(--lime)}
.nav-foot{margin-top:auto;padding-top:20px;border-top:1px solid rgba(255,255,255,.10)}
.nav-foot p{margin-top:12px;font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.55)}
.nav-toggle{
  display:none;position:absolute;right:16px;top:14px;width:40px;height:40px;
  align-items:center;justify-content:center;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;cursor:pointer;
}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;transition:all .18s ease;white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:var(--lime-2);transform:translateY(-2px);box-shadow:0 10px 22px rgba(196,240,74,.30)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{border-color:rgba(11,58,43,.35);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-2px);box-shadow:0 10px 22px rgba(11,58,43,.24)}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;background:var(--bg);color:var(--muted);
}
.badge-amber{background:rgba(255,122,47,.14);color:#C4521A}
.badge-lime{background:rgba(196,240,74,.22);color:#41651A}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;background:rgba(255,255,255,.14);color:#fff;
  border:1px solid rgba(255,255,255,.20);
}
.pill svg{width:14px;height:14px;color:var(--lime)}

/* ============ 面包屑 ============ */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:28px 0 0}
.crumb a{transition:color .18s}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:#B7C4BB}
.crumb .cur{color:var(--ink);font-weight:700}

/* ============ Hero ============ */
.cat-hero{
  position:relative;margin-top:22px;border-radius:24px;overflow:hidden;
  background:#07211A url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(7,33,26,.95) 0%,rgba(7,33,26,.80) 46%,rgba(7,33,26,.34) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .9fr;gap:44px;padding:52px 48px;align-items:center}
.hero-copy .eyebrow{color:var(--lime)}
.hero-copy h1{color:#fff;font-size:40px;line-height:1.3;margin-top:14px}
.hero-copy .hero-sub{margin-top:16px;font-size:18px;font-weight:700;color:var(--lime)}
.hero-copy .hero-text{margin-top:14px;font-size:15px;line-height:1.9;color:rgba(255,255,255,.74);max-width:560px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.hero-pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.hero-card{
  background:rgba(255,255,255,.94);border-radius:var(--r-card);padding:26px 24px;
  box-shadow:0 18px 40px rgba(0,0,0,.22);
}
.hero-card h3{font-size:16px;margin-bottom:6px}
.hero-card .hc-note{font-size:13px;color:var(--muted);margin-bottom:16px}
.hc-row{display:flex;align-items:center;gap:12px;padding:11px 0;border-top:1px solid var(--line)}
.hc-row:first-of-type{border-top:0}
.hc-num{
  font-family:var(--font-num);font-size:19px;font-weight:700;color:var(--ink);
  width:34px;flex:0 0 34px;letter-spacing:.02em;
}
.hc-txt{font-size:14px;font-weight:600;color:var(--text)}
.hc-stat{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.hc-stat div{text-align:center}
.hc-stat b{display:block;font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--ink);line-height:1.1}
.hc-stat span{font-size:12px;color:var(--muted)}

/* ============ 核对要点（双列卡片列表） ============ */
.guide-grid{
  display:grid;grid-template-columns:1fr;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);
}
.guide-item{padding:34px 34px 30px;border-top:1px solid var(--line)}
.guide-item:first-child{border-top:0}
.guide-item h3{font-size:20px;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.guide-item h3 .gi-dot{width:8px;height:8px;border-radius:2px;background:var(--lime);flex:0 0 8px}
.guide-item > p{color:var(--muted);font-size:15px;line-height:1.85}
.gi-list{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.gi-list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--text)}
.gi-list li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--lime)}
.gi-foot{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.gi-foot .idx{font-family:var(--font-num);font-size:22px;font-weight:700;color:#C6D3C9}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--ink);position:relative;transition:gap .18s}
.link-arrow::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--lime);transition:width .18s ease}
.link-arrow:hover{gap:10px}
.link-arrow:hover::after{width:100%}

/* ============ 场景网格 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(196,240,74,.65)}
.scene-ico{
  width:48px;height:48px;border-radius:14px;background:rgba(196,240,74,.20);
  display:grid;place-items:center;color:var(--ink);margin-bottom:16px;
}
.scene-ico svg{width:22px;height:22px}
.scene-card h3{font-size:17px;margin-bottom:9px}
.scene-card p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ============ 步骤深色区 ============ */
.steps-panel{
  background:var(--dark);border-radius:24px;padding:48px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
}
.steps-panel .eyebrow{color:var(--lime)}
.steps-panel h2{color:#fff;font-size:28px}
.steps-panel .steps-sub{color:rgba(255,255,255,.62);font-size:14.5px;margin-top:12px;max-width:460px}
.step-list{margin-top:28px;display:flex;flex-direction:column}
.step{display:flex;gap:16px;padding:15px 0;border-top:1px solid rgba(255,255,255,.10)}
.step:first-child{border-top:0}
.step-no{
  font-family:var(--font-num);font-size:18px;font-weight:700;color:var(--lime);
  width:40px;flex:0 0 40px;height:40px;border-radius:50%;border:1px solid rgba(196,240,74,.45);
  display:grid;place-items:center;
}
.step-txt strong{display:block;color:#fff;font-size:15.5px;font-weight:700}
.step-txt span{display:block;color:rgba(255,255,255,.58);font-size:13.5px;margin-top:3px;line-height:1.7}
.meter-box{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);border-radius:var(--r-card);padding:28px 26px}
.meter-box .mb-label{font-size:13px;color:rgba(255,255,255,.60)}
.meter-num{font-family:var(--font-num);font-size:52px;font-weight:700;color:#fff;line-height:1;margin:10px 0 18px}
.meter-num small{font-size:20px;color:var(--lime);margin-left:4px}
.meter{display:grid;grid-template-columns:repeat(8,1fr);gap:8px}
.meter span{height:10px;border-radius:var(--r-pill);background:var(--ink-3)}
.meter span.on{background:var(--lime)}
.meter-legend{display:flex;gap:20px;margin-top:20px;flex-wrap:wrap}
.meter-legend div{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62)}
.lg-dot{width:10px;height:10px;border-radius:3px}
.lg-dot.on{background:var(--lime)}
.lg-dot.off{background:var(--ink-3)}

/* ============ 提示对照表 ============ */
.table-shell{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);
}
.table-scroll{overflow-x:auto}
table.tips{width:100%;border-collapse:collapse;min-width:720px}
table.tips th,table.tips td{padding:16px 22px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
table.tips th{background:#F7FAF6;color:var(--ink);font-size:13.5px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
table.tips td{color:var(--muted)}
table.tips td:first-child{color:var(--text);font-weight:700}
table.tips tr:last-child td{border-bottom:0}
table.tips tbody tr{transition:background .16s}
table.tips tbody tr:hover{background:#FBFDFA}
.table-note{padding:14px 22px;font-size:13px;color:var(--muted);background:#F7FAF6;border-top:1px solid var(--line)}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;align-items:start}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(196,240,74,.75);box-shadow:var(--sh)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 20px;font-size:17px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-sign{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;background:var(--bg);
  display:grid;place-items:center;color:var(--ink);font-size:18px;font-weight:700;line-height:1;
  transition:background .18s,color .18s,transform .18s;
}
.faq-item[open] .faq-sign{background:var(--lime);transform:rotate(45deg)}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--muted)}
.faq-body p + p{margin-top:10px}

/* ============ CTA ============ */
.cta-band{
  background:var(--lime);border-radius:24px;padding:40px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:26px;color:var(--ink)}
.cta-band p{margin-top:10px;color:#3B5A1C;font-size:15px;max-width:620px;font-weight:600}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:var(--sec);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-logo{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-size:16px;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.60);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col a{
  display:block;font-size:14px;padding:7px 0;color:rgba(255,255,255,.68);
  transition:color .18s,transform .18s;
}
.footer-col a:hover{color:var(--lime);transform:translateX(4px)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.to-top{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--lime);transition:transform .18s}
.to-top:hover{transform:translateY(-3px)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .scene-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1023px){
  .page-main{margin-left:72px}
  .side-nav{width:72px;padding:20px 12px}
  .brand{justify-content:center;padding:4px 0 18px}
  .brand-text{display:none}
  .nav-item{justify-content:center;padding:13px 0}
  .nav-label{display:none}
  .nav-item:hover{transform:none}
  .nav-foot{display:none}
  .hero-inner{grid-template-columns:1fr;gap:32px;padding:40px 32px}
  .hero-copy h1{font-size:34px}
  .steps-panel{grid-template-columns:1fr;gap:32px;padding:36px}
  .meter-box{order:-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  :root{--sec:48px}
  .wrap{padding:0 16px}
  .page-main{margin-left:0;padding-top:64px}
  .side-nav{
    width:100%;height:64px;bottom:auto;flex-direction:row;align-items:center;
    padding:0 16px;box-shadow:0 8px 22px rgba(7,33,26,.22);
  }
  .brand{border-bottom:0;padding:0}
  .brand-text{display:block;font-size:14.5px}
  .brand-mark{width:34px;height:34px;flex-basis:34px;font-size:17px}
  .nav-toggle{display:flex}
  .nav-panel{
    position:fixed;left:0;right:0;top:64px;bottom:0;background:var(--dark);
    padding:18px 16px 28px;transform:translateY(-10px);opacity:0;pointer-events:none;
    transition:opacity .2s ease,transform .2s ease;overflow-y:auto;
  }
  .nav-panel.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
  .nav-item{justify-content:flex-start;padding:0 14px;height:56px;border-radius:8px;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-label{display:inline}
  .nav-item:hover{transform:none}
  .nav-foot{display:block;margin-top:22px;padding-top:20px}
  .hero-inner{padding:30px 22px}
  .hero-copy h1{font-size:27px}
  .hero-copy .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1 1 100%}
  .cat-hero{border-radius:18px}
  .crumbsline{padding-top:20px}
  .crumb{padding-top:20px;flex-wrap:wrap;gap:6px}
  .sec-title{font-size:22px}
  .guide-item{padding:26px 22px}
  .scene-grid{grid-template-columns:1fr}
  .steps-panel{padding:26px 20px;border-radius:18px}
  .steps-panel h2{font-size:22px}
  .meter-num{font-size:42px}
  .faq-grid{grid-template-columns:1fr}
  .faq-item summary{font-size:16px;padding:16px}
  .cta-band{padding:28px 22px;border-radius:18px}
  .cta-band h2{font-size:21px}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-brand{grid-column:1 / -1}
  .site-footer{padding:46px 0 22px;margin-top:var(--sec)}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .hero-pills .pill{font-size:12px;padding:6px 12px}
  .hc-stat b{font-size:22px}
}

/* roulang page: category2 */
:root{
  --green-900:#07211A;
  --green-800:#0B3A2B;
  --green-700:#14523D;
  --green-600:#1E6B4F;
  --lime:#C4F04A;
  --lime-dark:#B4E638;
  --lime-deep:#8FC42A;
  --amber:#FF7A2F;
  --bg:#F4F7F3;
  --card:#FFFFFF;
  --text:#14231D;
  --muted:#5C6F66;
  --line:#E2EAE0;
  --ok:#2F9E63;
  --warn:#E4572E;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 2px 4px rgba(11,58,43,.05),0 12px 28px rgba(11,58,43,.08);
  --shadow-hover:0 6px 12px rgba(11,58,43,.10),0 20px 40px rgba(11,58,43,.14);
  --side-w:240px;
  --num:"Barlow Condensed","Oswald","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:6px}
::selection{background:rgba(196,240,74,.45)}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.page-shell{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.sec-head h2{font-size:28px;letter-spacing:0}
.sec-head p{color:var(--muted);font-size:15px;margin-top:8px;max-width:640px}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--green-600)}
.num{font-family:var(--num);font-weight:700;letter-spacing:.02em}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--green-800);
  display:flex;flex-direction:column;
  z-index:80;
  border-right:1px solid rgba(255,255,255,.06);
}
.side-nav::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(196,240,74,.06) 1px,transparent 1px);
  background-size:100% 56px;opacity:.5;
}
.brand{display:flex;align-items:center;gap:10px;padding:22px 20px;position:relative;z-index:1}
.brand-mark{
  width:38px;height:38px;flex:none;border-radius:12px;
  background:var(--lime);color:var(--green-800);
  display:grid;place-items:center;font-weight:800;font-size:17px;
  box-shadow:0 8px 18px rgba(196,240,74,.22);
}
.brand-text{color:#fff;font-weight:700;font-size:16px;line-height:1.35;letter-spacing:.01em}
.nav-panel{position:relative;z-index:1;display:flex;flex-direction:column;flex:1;min-height:0;padding:8px 12px 0;overflow-y:auto}
.nav-list{display:flex;flex-direction:column;gap:6px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:12px;
  color:rgba(255,255,255,.72);font-size:15px;font-weight:600;
  transition:background .16s ease,color .16s ease,transform .16s ease;
}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(4px)}
.nav-item.is-active{background:rgba(196,240,74,.13);color:#fff}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--lime);
}
.nav-ico{width:20px;height:20px;flex:none;color:rgba(255,255,255,.6)}
.nav-item:hover .nav-ico{color:#fff}
.nav-item.is-active .nav-ico{color:var(--lime)}
.nav-label{white-space:nowrap}
.nav-foot{margin-top:auto;padding:18px 18px 22px;border-top:1px solid rgba(255,255,255,.08);position:relative;z-index:1}
.nav-foot p{margin-top:12px;font-size:12px;line-height:1.7;color:rgba(255,255,255,.48)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.09);color:#fff;
  align-items:center;justify-content:center;
  transition:background .18s ease;
}
.nav-toggle:hover{background:rgba(196,240,74,.2)}
body.nav-open{overflow:hidden}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--lime);color:var(--green-800);box-shadow:0 10px 22px rgba(196,240,74,.26)}
.btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:0 14px 26px rgba(196,240,74,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(196,240,74,.24)}
.btn-ghost{border:1px solid rgba(255,255,255,.45);color:#fff;background:transparent}
.btn-ghost:hover{background:#fff;color:var(--green-800);border-color:#fff;transform:translateY(-2px)}
.btn-dark{background:var(--green-800);color:#fff}
.btn-dark:hover{background:var(--green-700);transform:translateY(-2px);box-shadow:0 12px 24px rgba(11,58,43,.24)}
.btn-dark:active{transform:translateY(0)}
.btn-outline{border:1px solid var(--green-800);color:var(--green-800);background:transparent}
.btn-outline:hover{background:var(--green-800);color:#fff;transform:translateY(-2px)}
.btn-block{width:100%}
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.7}
.pill-lime{background:rgba(196,240,74,.16);color:var(--lime)}
.pill-glass{background:rgba(255,255,255,.12);color:rgba(255,255,255,.9)}
.pill-soft{background:var(--bg);color:var(--muted)}
.pill-amber{background:rgba(255,122,47,.13);color:var(--warn)}
.link-arrow{position:relative;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--green-700);padding-bottom:3px}
.link-arrow::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--lime-deep);transition:width .18s ease}
.link-arrow:hover::after{width:100%}
.link-arrow i{font-size:12px;transition:transform .18s ease}
.link-arrow:hover i{transform:translateX(3px)}
.hr{height:1px;border:0;background:var(--line);margin:22px 0}

/* ============ Hero ============ */
.cat-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(7,33,26,.97) 0%,rgba(7,33,26,.88) 46%,rgba(11,58,43,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-radius:0 0 28px 28px;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 88% 18%,rgba(196,240,74,.16),transparent 42%);
}
.hero-inner{position:relative;z-index:1;padding:56px 0 68px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:26px;flex-wrap:wrap}
.crumb a{transition:color .16s ease}
.crumb a:hover{color:var(--lime)}
.crumb .sep{opacity:.45}
.crumb .now{color:rgba(255,255,255,.92);font-weight:600}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.85fr);gap:52px;align-items:center}
.cat-hero h1{font-size:clamp(27px,3.4vw,42px);line-height:1.3;letter-spacing:0}
.cat-hero h1 .hl{color:var(--lime);box-shadow:inset 0 -10px 0 rgba(196,240,74,.14)}
.hero-sub{margin-top:16px;font-size:17px;color:rgba(255,255,255,.86);max-width:560px}
.hero-desc{margin-top:14px;font-size:15px;line-height:1.9;color:rgba(255,255,255,.66);max-width:580px}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-pills{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}
.hero-figure{position:relative;border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.16);box-shadow:0 26px 60px rgba(0,0,0,.4)}
.hero-figure img{width:100%;height:336px;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,33,26,.05) 40%,rgba(7,33,26,.55) 100%)}
.float-stat{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:flex;align-items:center;gap:14px;
  background:rgba(255,255,255,.95);color:var(--text);
  border-radius:14px;padding:13px 18px;
  box-shadow:0 16px 34px rgba(0,0,0,.24);
}
.float-stat .stat-num{font-family:var(--num);font-size:28px;line-height:1;color:var(--green-700)}
.float-stat .stat-txt{font-size:12px;line-height:1.5;color:var(--muted)}
.float-stat .stat-txt strong{display:block;color:var(--text);font-size:13px}

/* ============ 两栏：左列表 + 右信息栏 ============ */
.split{display:grid;grid-template-columns:minmax(0,1fr) 328px;gap:44px;align-items:start}
.case-list{display:flex;flex-direction:column;gap:18px}
.case-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 28px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.case-item:hover{transform:translateY(-4px);border-color:rgba(196,240,74,.75);box-shadow:var(--shadow-hover)}
.case-head{display:flex;gap:16px;align-items:flex-start}
.case-no{font-family:var(--num);font-size:24px;line-height:1.1;color:var(--green-600);min-width:34px}
.case-item h3{font-size:20px;letter-spacing:0}
.case-item .case-lead{margin-top:10px;color:var(--muted);font-size:15px;line-height:1.85}
.pts{margin-top:14px;display:grid;gap:8px}
.pts li{position:relative;padding-left:18px;font-size:15px;line-height:1.8;color:var(--muted)}
.pts li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;background:var(--lime-deep)}
.case-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.panel-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
  position:sticky;top:24px;
}
.panel-card h3{font-size:17px;letter-spacing:0}
.toc{display:grid;gap:2px;margin-top:14px}
.toc a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:14px;color:var(--muted);
  transition:background .16s ease,color .16s ease,padding .16s ease;
}
.toc a:hover{background:var(--bg);color:var(--green-800);padding-left:16px}
.toc a i{font-size:11px;opacity:.6}
.mini-q{display:grid;gap:14px}
.mini-q .q{display:flex;gap:10px;font-size:14px;line-height:1.75;color:var(--muted)}
.mini-q .q i{color:var(--green-600);font-size:13px;margin-top:6px;flex:none}
.panel-card .btn{margin-top:20px}

/* ============ 排查顺序（深色区块） ============ */
.steps-band{background:var(--green-900);border-radius:24px;padding:48px;color:#fff;position:relative;overflow:hidden}
.steps-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(196,240,74,.16),transparent 68%);
}
.steps-band .sec-head{margin-bottom:36px;position:relative;z-index:1}
.steps-band h2{color:#fff}
.steps-band .sec-head p{color:rgba(255,255,255,.6)}
.steps-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:48px;position:relative;z-index:1}
.step-list{display:flex;flex-direction:column}
.step-row{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.step-row:last-child{border-bottom:0}
.step-idx{
  font-family:var(--num);font-size:18px;line-height:1.4;flex:none;
  width:38px;height:32px;border-radius:9px;
  display:grid;place-items:center;
  background:rgba(196,240,74,.14);color:var(--lime);
}
.step-row h4{font-size:16px;color:#fff}
.step-row p{margin-top:4px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.62)}
.steps-progress{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  border-radius:18px;padding:28px;
}
.steps-progress .pct{font-family:var(--num);font-size:52px;line-height:1;color:var(--lime)}
.steps-progress .pct small{font-size:16px;color:rgba(255,255,255,.55);margin-left:6px;font-family:inherit}
.seg{display:grid;grid-template-columns:repeat(8,1fr);gap:6px;margin-top:20px}
.seg span{height:10px;border-radius:999px;background:var(--green-600)}
.seg span.on{background:var(--lime);box-shadow:0 0 12px rgba(196,240,74,.4)}
.seg-label{display:flex;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.55);margin-top:10px}
.progress-note{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66)}

/* ============ 安全习惯卡片 ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(196,240,74,.7)}
.ico-badge{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:rgba(196,240,74,.18);color:var(--green-700);font-size:20px;margin-bottom:16px;
}
.card h3{font-size:18px;letter-spacing:0}
.card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--muted)}
.card .card-tag{margin-top:16px;display:inline-flex}
.idx-item{display:flex;gap:14px;align-items:flex-start}
.idx-item .idx{font-family:var(--num);font-size:20px;color:var(--green-600);flex:none;line-height:1.5}

/* ============ 图文区块 ============ */
.media-row{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:44px;align-items:center}
.media-figure{border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.media-figure img{width:100%;height:360px;object-fit:cover}
.media-row h2{font-size:28px}
.media-list{margin-top:22px;display:grid;gap:16px}
.media-list li{display:flex;gap:14px;align-items:flex-start}
.media-list .dot{width:30px;height:30px;border-radius:10px;background:rgba(196,240,74,.2);color:var(--green-700);display:grid;place-items:center;font-size:13px;font-weight:700;flex:none;margin-top:4px}
.media-list h4{font-size:16px}
.media-list p{margin-top:4px;font-size:14px;color:var(--muted);line-height:1.8}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:start}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:17px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;font-weight:700;color:var(--green-700);line-height:1}
.faq-item[open]{border-color:rgba(196,240,74,.85);box-shadow:var(--shadow)}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--muted)}

/* ============ CTA ============ */
.cta-band{
  background:var(--lime);border-radius:24px;
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  color:var(--green-800);
}
.cta-band h2{font-size:24px;letter-spacing:0}
.cta-band p{margin-top:8px;font-size:15px;color:rgba(11,58,43,.78);max-width:640px}

/* ============ 页脚 ============ */
.site-footer{background:var(--green-800);color:rgba(255,255,255,.72);margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding:60px 0 44px}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px}
.footer-logo .brand-mark{width:34px;height:34px;font-size:15px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:360px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col a{display:block;padding:7px 0;font-size:14px;color:rgba(255,255,255,.68);transition:color .16s ease,transform .16s ease}
.footer-col a:hover{color:var(--lime);transform:translateX(4px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{font-weight:600;transition:color .16s ease}
.to-top:hover{color:var(--lime)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--side-w:72px}
  .side-nav{width:72px}
  .brand{justify-content:center;padding:20px 0}
  .brand-text{display:none}
  .nav-panel{padding:8px 8px 0}
  .nav-item{justify-content:center;padding:14px 0}
  .nav-item:hover{transform:none}
  .nav-label{display:none}
  .nav-item.is-active::before{left:-8px}
  .nav-foot{display:none}
  .split{grid-template-columns:1fr;gap:32px}
  .panel-card{position:static}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .steps-grid{grid-template-columns:1fr;gap:32px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .media-row{grid-template-columns:1fr;gap:32px}
  .hero-figure img{height:280px}
  .steps-band{padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  :root{--side-w:0px}
  .page-shell{margin-left:0;padding-top:64px}
  .side-nav{
    position:fixed;top:0;left:0;right:0;bottom:auto;width:auto;height:64px;
    flex-direction:row;align-items:center;justify-content:space-between;padding:0 14px;
    box-shadow:0 10px 26px rgba(7,33,26,.22);border-right:0;
  }
  .side-nav::after{display:none}
  .brand{padding:0;gap:8px;justify-content:flex-start}
  .brand-mark{width:32px;height:32px;font-size:15px;border-radius:10px}
  .brand-text{display:block;font-size:15px}
  .nav-toggle{display:inline-flex}
  .nav-panel{
    position:fixed;top:64px;left:0;right:0;bottom:0;width:auto;
    background:var(--green-900);padding:12px 16px 24px;
    transform:translateX(100%);transition:transform .28s ease;
    overflow-y:auto;z-index:90;
  }
  .nav-panel.is-open{transform:translateX(0)}
  .nav-item{height:56px;padding:0 8px;border-radius:0;border-bottom:1px solid rgba(255,255,255,.08);font-size:16px}
  .nav-item:hover{transform:none;background:rgba(255,255,255,.06)}
  .nav-item.is-active{background:rgba(196,240,74,.1)}
  .nav-item.is-active::before{display:none}
  .nav-label{display:inline}
  .nav-foot{display:block;margin-top:24px;padding:18px 0 0;border-top:1px solid rgba(255,255,255,.1)}
  .wrap{padding:0 16px}
  .section{padding:48px 0}
  .section-tight{padding:40px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .sec-head h2{font-size:22px}
  .hero-inner{padding:32px 0 44px}
  .cat-hero{border-radius:0 0 20px 20px}
  .cat-hero h1{font-size:26px}
  .hero-sub{font-size:16px}
  .hero-figure img{height:220px}
  .float-stat{padding:10px 14px;gap:10px}
  .float-stat .stat-num{font-size:22px}
  .case-item{padding:22px 18px}
  .case-head{gap:10px}
  .case-no{font-size:20px;min-width:28px}
  .case-item h3{font-size:18px}
  .steps-band{padding:24px 20px;border-radius:20px}
  .steps-progress{padding:20px}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .faq-item summary{font-size:16px;padding:16px}
  .cta-band{padding:26px 20px}
  .cta-band h2{font-size:20px}
  .cta-band .btn{width:100%}
  .media-figure img{height:230px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;padding:36px 0 28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .site-footer{margin-top:56px}
}
@media (max-width:520px){
  .grid-4,.grid-3,.grid-2,.faq-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
}