/* roulang page: index */
:root{
  --ink-900:#0B2E2A;
  --ink-700:#16544B;
  --lime-500:#B4E33D;
  --lime-100:#EDF7D6;
  --orange-500:#F2622B;
  --paper:#FAF8F3;
  --surface:#FFFFFF;
  --line:#E4E8E0;
  --text:#14201D;
  --muted:#5D6E69;
  --r-s:8px;
  --r-m:16px;
  --r-l:24px;
  --sh-s:0 2px 10px rgba(20,32,29,.04);
  --sh-m:0 12px 30px rgba(20,32,29,.09);
  --sh-d:0 8px 28px rgba(11,46,42,.08);
  --gut:24px;
  --sec-pad:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:0;
  color:var(--text);
  background:var(--paper);
  padding-top:104px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--ink-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--ink-900);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:0;color:var(--ink-900);}
h1{font-size:40px;}
h2{font-size:30px;}
h3{font-size:22px;}
p{margin:0 0 1.1em;color:var(--text);}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime-500);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gut);}
.section{padding:var(--sec-pad) 0;}
.section-tight{padding:56px 0;}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-700);background:var(--lime-100);
  border-radius:6px;padding:4px 10px;margin-bottom:16px;
}
.sec-head h2{margin-bottom:14px;}
.sec-head p{color:var(--muted);margin-bottom:0;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-head-row .sec-head{margin-bottom:0;}
.link-more{font-size:15px;color:var(--ink-700);text-decoration:underline;text-underline-offset:3px;white-space:nowrap;}
.link-more:hover{color:var(--ink-900);text-decoration-color:var(--lime-500);}

/* ---------- Dock navigation ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;padding:20px 0 12px;transition:padding .28s ease;}
.dock{
  width:calc(100% - 48px);max-width:1120px;margin:0 auto;
  height:64px;display:flex;align-items:center;gap:18px;
  padding:0 14px 0 18px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:999px;
  box-shadow:var(--sh-d);
  transition:height .28s ease,box-shadow .28s ease,background .28s ease;
}
.site-header.is-scrolled{padding-top:10px;}
.site-header.is-scrolled .dock{height:56px;background:rgba(255,255,255,.95);box-shadow:0 10px 34px rgba(11,46,42,.14);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink-900);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:18px;height:18px;display:block;}
.brand-text{font-size:17px;font-weight:700;color:var(--ink-900);white-space:nowrap;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.dock-nav a{
  font-size:15px;color:var(--ink-700);padding:8px 12px;border-radius:999px;
  white-space:nowrap;transition:background .2s ease,color .2s ease;
}
.dock-nav a:hover{background:var(--lime-100);color:var(--ink-900);}
.dock-nav a.is-active{background:var(--lime-100);color:var(--ink-900);font-weight:600;box-shadow:inset 0 -2px 0 var(--lime-500);}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;border-radius:999px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink-700);background:var(--surface);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.icon-btn:hover{border-color:var(--ink-700);color:var(--ink-900);transform:translateY(-1px);}
.menu-toggle{display:none;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);color:var(--ink-900);background:var(--surface);}
.mobile-drawer{
  display:none;width:calc(100% - 32px);max-width:1120px;margin:10px auto 0;
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--sh-m);padding:14px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{display:block;padding:12px 14px;border-radius:12px;font-size:16px;color:var(--ink-700);}
.mobile-drawer a:hover,.mobile-drawer a.is-active{background:var(--lime-100);color:var(--ink-900);}
.mobile-drawer .drawer-cta{margin-top:8px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;font-size:16px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--lime-500);color:var(--ink-900);}
.btn-primary:hover{background:#c3ef55;color:var(--ink-900);transform:translateY(-2px);box-shadow:0 10px 24px rgba(11,46,42,.16);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-orange{background:var(--orange-500);color:#fff;}
.btn-orange:hover{background:#ff7440;color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(242,98,43,.24);}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink-900);}
.btn-ghost:hover{border-color:var(--ink-700);color:var(--ink-900);transform:translateY(-2px);}
.btn-light{background:var(--surface);color:var(--ink-900);}
.btn-light:hover{background:var(--lime-100);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- Hero ---------- */
.hero-wrap{padding:0 var(--gut);}
.hero{
  position:relative;max-width:1200px;margin:0 auto;min-height:600px;
  border-radius:var(--r-l);overflow:hidden;display:flex;align-items:flex-end;
  background:var(--lime-100);
}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,46,42,.10) 0%,rgba(11,46,42,.55) 52%,rgba(11,46,42,.92) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;padding:72px 64px 56px;max-width:880px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-900);
  background:var(--lime-500);border-radius:999px;padding:6px 14px;margin-bottom:22px;font-weight:600;
}
.hero h1{color:#fff;font-size:40px;margin-bottom:18px;max-width:760px;}
.hero-sub{color:rgba(255,255,255,.86);font-size:18px;line-height:1.75;margin-bottom:30px;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:40px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.2);
}
.hero-stat .k{font-size:26px;font-weight:700;color:var(--lime-500);line-height:1.2;}
.hero-stat .v{font-size:14px;color:rgba(255,255,255,.75);margin-top:4px;}

/* ---------- Pain list ---------- */
.pain-list{display:grid;gap:16px;max-width:900px;}
.pain-item{
  display:flex;gap:20px;align-items:flex-start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-m);padding:24px;box-shadow:var(--sh-s);
  transition:box-shadow .25s ease,transform .25s ease;
}
.pain-item:hover{box-shadow:var(--sh-m);transform:translateY(-4px);}
.pain-no{
  flex:0 0 auto;width:44px;height:44px;border-radius:var(--r-s);
  border:2px solid var(--lime-500);color:var(--ink-900);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;
  background:var(--lime-100);font-variant-numeric:tabular-nums;
}
.pain-body h3{font-size:19px;margin-bottom:6px;}
.pain-body p{margin:0;color:var(--muted);font-size:15.5px;}

/* ---------- Solutions ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.sol-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;box-shadow:var(--sh-s);transition:box-shadow .25s ease,transform .25s ease;
  display:flex;flex-direction:column;
}
.sol-card:hover{box-shadow:var(--sh-m);transform:translateY(-4px);}
.sol-media{height:210px;overflow:hidden;background:var(--lime-100);}
.sol-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.sol-card:hover .sol-media img{transform:scale(1.04);}
.sol-body{padding:26px;flex:1 1 auto;}
.sol-body .badge{margin-bottom:14px;}
.sol-body h3{font-size:21px;margin-bottom:10px;}
.sol-body p{margin:0;color:var(--muted);font-size:15.5px;}
.sol-card.tall .sol-media{height:280px;}

/* ---------- Badges ---------- */
.badge{
  display:inline-block;font-size:13px;line-height:1;padding:5px 10px;border-radius:6px;
  background:var(--lime-100);color:var(--ink-700);white-space:nowrap;
}
.badge-solid{background:var(--ink-900);color:#fff;}
.badge-orange{background:rgba(242,98,43,.12);color:#c2461a;}

/* ---------- Stats band ---------- */
.stats-band{background:var(--ink-900);color:#fff;position:relative;overflow:hidden;}
.stats-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;opacity:.6;
}
.stats-band .container{position:relative;z-index:2;}
.stats-band h2{color:#fff;margin-bottom:14px;}
.stats-band .lead{color:rgba(255,255,255,.72);max-width:620px;margin-bottom:48px;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.stat-cell{border-top:2px solid var(--lime-500);padding-top:20px;}
.stat-cell .num-big{font-size:40px;font-weight:700;color:var(--lime-500);line-height:1.15;}
.stat-cell .stat-label{font-size:16px;color:#fff;margin-top:8px;font-weight:600;}
.stat-cell .stat-desc{font-size:14px;color:rgba(255,255,255,.62);margin-top:6px;}

/* ---------- Testimonials ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.voice-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-m);padding:28px;box-shadow:var(--sh-s);
  transition:box-shadow .25s ease,transform .25s ease;
}
.voice-card:hover{box-shadow:var(--sh-m);transform:translateY(-4px);}
.voice-quote{position:absolute;top:16px;right:22px;font-size:46px;line-height:1;color:var(--lime-500);font-family:Georgia,serif;}
.voice-card p{font-size:15.5px;color:var(--text);margin-bottom:22px;min-height:78px;}
.voice-user{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:18px;}
.avatar{
  width:44px;height:44px;border-radius:999px;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;color:var(--ink-900);background:var(--lime-100);flex:0 0 auto;
}
.voice-user .name{font-weight:600;font-size:15.5px;color:var(--ink-900);line-height:1.4;}
.voice-user .role{font-size:13px;color:var(--muted);line-height:1.4;}

/* ---------- CMS list ---------- */
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cms-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh-s);
  transition:box-shadow .25s ease,transform .25s ease;
}
.cms-card:hover{box-shadow:var(--sh-m);transform:translateY(-4px);}
.cms-card:first-child{grid-column:span 2;flex-direction:row;}
.cms-card:first-child .cms-thumb{width:46%;height:auto;min-height:230px;flex:0 0 auto;}
.cms-card:first-child .cms-body{justify-content:center;}
.cms-card:first-child .cms-title{font-size:23px;-webkit-line-clamp:3;}
.cms-thumb{height:180px;background:var(--lime-100);overflow:hidden;}
.cms-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.cms-card:hover .cms-thumb img{transform:scale(1.05);}
.cms-body{display:flex;flex-direction:column;padding:22px;flex:1 1 auto;}
.cms-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;font-size:13px;color:var(--muted);}
.cms-title{
  font-size:18px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;line-height:1.45;
}
.cms-card:hover .cms-title{color:var(--ink-700);}
.cms-excerpt{
  font-size:14.5px;color:var(--muted);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:14px;}
.cms-foot .go{color:var(--ink-700);font-weight:600;}
.cms-foot .go i{font-size:12px;transition:transform .2s ease;}
.cms-card:hover .cms-foot .go i{transform:translateX(3px);}
.cms-empty{
  grid-column:1/-1;text-align:center;padding:64px 24px;background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--r-m);
}
.cms-empty i{font-size:30px;color:var(--lime-500);margin-bottom:16px;display:block;}
.cms-empty p{color:var(--muted);margin-bottom:20px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion{border:0;background:transparent;}
.accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-m);background:var(--surface);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-s);
}
.accordion .accordion-title{
  border:0;padding:20px 56px 20px 24px;font-size:18px;font-weight:600;color:var(--ink-900);
  position:relative;line-height:1.5;background:var(--surface);transition:background .2s ease;
}
.accordion .accordion-title:hover{background:var(--lime-100);}
.accordion .accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--ink-700);
}
.accordion .accordion-item.is-active .accordion-title{background:var(--lime-100);border-left:4px solid var(--lime-500);}
.accordion .accordion-item.is-active .accordion-title::before{content:"\f068";}
.accordion .accordion-content{border:0;padding:4px 24px 22px;background:var(--lime-100);color:var(--ink-700);font-size:15.5px;}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink-900);border-radius:var(--r-l);padding:64px;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-80px;width:280px;height:280px;border-radius:50%;
  background:rgba(180,227,61,.14);
}
.cta-inner{position:relative;z-index:2;max-width:640px;}
.cta-band h2{color:#fff;margin-bottom:16px;}
.cta-band p{color:rgba(255,255,255,.74);margin-bottom:30px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--line);margin-top:88px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand-text{font-size:18px;margin-left:0;}
.footer-brand p{font-size:14.5px;color:var(--muted);margin:16px 0 0;max-width:320px;}
.footer-col h4{font-size:15px;color:var(--ink-900);margin-bottom:18px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14.5px;color:var(--muted);}
.footer-col ul li a:hover{color:var(--ink-900);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--lime-500);}
.footer-contact{font-size:14.5px;color:var(--muted);}
.footer-contact .rowline{display:flex;gap:10px;margin-bottom:10px;align-items:flex-start;}
.footer-contact .rowline i{color:var(--lime-500);margin-top:6px;font-size:13px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;display:flex;flex-wrap:wrap;
  gap:12px;justify-content:space-between;align-items:center;font-size:13.5px;color:var(--muted);
}

/* ---------- Responsive ---------- */
@media screen and (max-width:1200px){
  .hero-inner{padding:60px 44px 48px;}
  .cta-band{padding:52px;}
}
@media screen and (max-width:1024px){
  :root{--sec-pad:64px;}
  body{padding-top:96px;}
  .dock-nav{display:none;}
  .dock-actions .btn-sm{display:none;}
  .menu-toggle{display:flex;align-items:center;justify-content:center;}
  .dock{height:60px;justify-content:space-between;}
  .hero{min-height:520px;}
  .hero h1{font-size:34px;}
  .sol-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .voice-grid{grid-template-columns:1fr;gap:18px;}
  .cms-grid{grid-template-columns:repeat(2,1fr);}
  .cms-card:first-child{grid-column:span 2;flex-direction:row;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:767px){
  :root{--sec-pad:48px;--gut:16px;}
  body{padding-top:88px;font-size:16px;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .hero-wrap{padding:0 16px;}
  .hero{min-height:auto;border-radius:20px;}
  .hero-inner{padding:44px 22px 34px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:22px;justify-content:space-between;}
  .hero-stat .k{font-size:22px;}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:14px;}
  .pain-item{gap:14px;padding:20px;}
  .pain-no{width:38px;height:38px;font-size:16px;}
  .sol-media,.sol-card.tall .sol-media{height:180px;}
  .stats-grid{grid-template-columns:1fr;gap:24px;}
  .stat-cell .num-big{font-size:32px;}
  .cms-grid{grid-template-columns:1fr;}
  .cms-card:first-child{grid-column:span 1;flex-direction:column;}
  .cms-card:first-child .cms-thumb{width:100%;height:190px;min-height:0;}
  .cta-band{padding:36px 24px;border-radius:20px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .accordion .accordion-title{font-size:16px;padding:16px 48px 16px 18px;}
  .accordion .accordion-content{padding:2px 18px 18px;}
}
@media screen and (max-width:359px){
  .hero-stats{gap:16px;}
  .brand-text{font-size:15px;}
  .btn{padding:0 18px;font-size:15px;}
}

/* roulang page: article */
:root{
  --ink-900:#0B2E2A;
  --ink-700:#16544B;
  --lime-500:#B4E33D;
  --lime-600:#c6ec62;
  --lime-100:#EDF7D6;
  --orange-500:#F2622B;
  --paper:#FAF8F3;
  --surface:#FFFFFF;
  --line:#E4E8E0;
  --text:#14201D;
  --muted:#5D6E69;
  --radius-xl:22px;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-1:0 2px 10px rgba(20,32,29,.04);
  --shadow-2:0 12px 30px rgba(20,32,29,.09);
  --dock-shadow:0 8px 28px rgba(11,46,42,.08);
  --gutter:24px;
  --section-y:88px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--paper);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink-700);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease;}
a:hover{color:var(--ink-900);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;text-decoration-color:var(--lime-500);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
h1,h2,h3,h4{line-height:1.35;font-weight:700;color:var(--ink-900);letter-spacing:0;}
:focus-visible{outline:2px solid var(--lime-500);outline-offset:3px;border-radius:4px;}

.container{
  width:calc(100% - 48px);
  max-width:1200px;
  margin:0 auto;
}

/* ---------- 顶部阅读进度 ---------- */
.reading-progress{
  position:fixed;top:0;left:0;
  height:2px;width:0;
  background:var(--lime-500);
  z-index:200;
  transition:width .12s linear;
}

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;
  z-index:120;
  padding:14px 12px 0;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  max-width:1120px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:0 12px 0 18px;
  border-radius:999px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:var(--dock-shadow);
  transition:height .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled .dock{
  height:56px;
  background:rgba(255,255,255,.96);
  box-shadow:0 10px 30px rgba(11,46,42,.14);
}
.dock-brand{
  display:flex;align-items:center;gap:10px;
  text-decoration:none;
  flex:0 0 auto;
}
.dock-brand:hover{text-decoration:none;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  border-radius:11px;
  background:var(--ink-900);
  display:grid;place-items:center;
}
.brand-mark svg{width:18px;height:18px;display:block;}
.brand-text{
  font-size:16px;
  font-weight:700;
  color:var(--ink-900);
  white-space:nowrap;
}
.dock-nav{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:auto;
}
.dock-nav a{
  position:relative;
  padding:9px 13px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-700);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.dock-nav a:hover{
  background:var(--lime-100);
  color:var(--ink-900);
  text-decoration:none;
}
.dock-nav a.is-active{
  background:var(--lime-100);
  color:var(--ink-900);
  font-weight:600;
}
.dock-nav a.is-active::after{
  content:"";
  position:absolute;left:50%;bottom:3px;
  transform:translateX(-50%);
  width:16px;height:3px;border-radius:3px;
  background:var(--lime-500);
}
.dock-actions{
  display:flex;align-items:center;gap:8px;
  flex:0 0 auto;
}
.icon-btn{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-700);
  display:grid;place-items:center;
  cursor:pointer;
  font-size:15px;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.icon-btn:hover{border-color:var(--ink-900);color:var(--ink-900);background:var(--lime-100);}
.menu-toggle{display:none;}
.search-pop{
  pointer-events:auto;
  position:absolute;
  top:86px;right:calc(50% - 560px);
  width:320px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-2);
  padding:12px;
  opacity:0;visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.search-pop.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.search-pop form{display:flex;gap:8px;align-items:center;}
.search-pop input[type="search"]{
  flex:1 1 auto;
  height:42px;
  border:1px solid var(--line);
  border-radius:999px;
  padding:0 16px;
  font-size:14px;
  color:var(--text);
  background:var(--paper);
}
.search-pop input[type="search"]::placeholder{color:#95a39e;}
.search-pop input[type="search"]:focus{outline:none;border-color:var(--ink-700);background:#fff;}
.mobile-drawer{
  pointer-events:auto;
  position:fixed;
  top:82px;left:12px;right:12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:0 18px 40px rgba(11,46,42,.16);
  padding:16px;
  display:none;
  z-index:130;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer nav{display:grid;gap:4px;margin-bottom:14px;}
.mobile-drawer nav a{
  padding:12px 14px;
  border-radius:12px;
  font-size:15px;
  color:var(--ink-700);
  font-weight:500;
}
.mobile-drawer nav a:hover,.mobile-drawer nav a.is-active{background:var(--lime-100);color:var(--ink-900);text-decoration:none;}
.btn-block{display:flex;justify-content:center;width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  text-decoration:none;
  white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--lime-500);color:var(--ink-900);}
.btn-primary:hover{background:var(--lime-600);color:var(--ink-900);transform:translateY(-2px);box-shadow:0 10px 24px rgba(11,46,42,.16);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-900);}
.btn-ghost:hover{border-color:var(--ink-900);color:var(--ink-900);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.34);color:#fff;}
.btn-outline-light:hover{border-color:var(--lime-500);color:var(--lime-500);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ---------- 文章页头 ---------- */
.article-hero{
  position:relative;
  padding:146px 0 60px;
  background:var(--ink-900);
  overflow:hidden;
}
.hero-bg{position:absolute;inset:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.34;}
.hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,46,42,.78) 0%,rgba(11,46,42,.92) 62%,rgba(11,46,42,.98) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:900px;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:#9fbcb4;
  margin-bottom:22px;
}
.breadcrumb a{color:#c7dcd5;text-decoration:none;}
.breadcrumb a:hover{color:var(--lime-500);}
.breadcrumb span.sep{color:#5d7a73;}
.breadcrumb .current{color:#7f9c95;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.badge{
  display:inline-block;
  font-size:13px;
  line-height:1;
  padding:7px 12px;
  border-radius:6px;
  background:var(--lime-100);
  color:var(--ink-900);
  font-weight:600;
  margin-bottom:18px;
}
.article-hero h1{
  color:#fff;
  font-size:40px;
  line-height:1.35;
  margin-bottom:22px;
  max-width:820px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  font-size:14px;
  color:#9fbcb4;
}
.article-meta i{color:var(--lime-500);margin-right:7px;}
.article-meta span{font-variant-numeric:tabular-nums;}

/* ---------- 正文布局 ---------- */
.article-main{padding:64px 0 8px;}
.article-layout{
  width:calc(100% - 48px);
  max-width:1240px;
  margin:0 auto;
  display:grid;
  grid-template-columns:190px minmax(0,1fr) 250px;
  grid-template-areas:"toc body side";
  gap:28px;
  align-items:start;
}
.toc-side{grid-area:toc;}
.article-body{grid-area:body;}
.article-side{grid-area:side;display:grid;gap:20px;}

.toc-card{
  position:sticky;
  top:104px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:20px 16px;
  box-shadow:var(--shadow-1);
}
.toc-title{
  font-size:14px;
  font-weight:700;
  color:var(--ink-900);
  padding-bottom:12px;
  margin-bottom:12px;
  border-bottom:1px solid var(--line);
}
#tocList{list-style:none;margin:0;padding:0;display:grid;gap:2px;counter-reset:toc;}
#tocList .toc-item a{
  display:block;
  font-size:13px;
  line-height:1.6;
  padding:6px 8px;
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  color:var(--muted);
  text-decoration:none;
}
#tocList .toc-item a:hover{background:var(--lime-100);color:var(--ink-900);}
#tocList .toc-item a.is-current{border-left-color:var(--lime-500);background:var(--lime-100);color:var(--ink-900);font-weight:600;}
#tocList .toc-h3 a{padding-left:18px;font-size:12.5px;}

/* 正文卡片 */
.article-body{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-1);
  padding:48px 52px;
  min-width:0;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{font-size:17px;line-height:1.85;color:var(--text);margin:0 0 1.1em;}
.article-body > p:first-of-type{font-size:18px;line-height:1.9;color:#1b2a26;}
.article-body h2{
  position:relative;
  font-size:30px;
  line-height:1.35;
  margin:1.7em 0 .7em;
  padding-left:18px;
  scroll-margin-top:110px;
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:.2em;bottom:.2em;
  width:4px;border-radius:4px;
  background:var(--lime-500);
}
.article-body h3{
  font-size:22px;
  line-height:1.4;
  margin:1.4em 0 .6em;
  color:var(--text);
  font-weight:700;
  scroll-margin-top:110px;
}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.35em;}
.article-body li{font-size:17px;line-height:1.85;margin-bottom:.45em;}
.article-body ul li::marker{color:var(--lime-500);}
.article-body ol li::marker{color:var(--ink-700);font-weight:600;}
.article-body blockquote{
  margin:1.5em 0;
  padding:18px 22px;
  background:var(--paper);
  border-left:4px solid var(--ink-900);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--muted);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-md);margin:1.5em auto;background:var(--lime-100);}
.article-body figure{margin:1.5em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;}
.article-body th{
  background:var(--lime-100);
  border:1px solid var(--line);
  padding:12px 14px;
  text-align:left;
  font-weight:700;
  color:var(--ink-900);
}
.article-body td{border:1px solid var(--line);padding:12px 14px;color:var(--text);}
.article-body a{
  color:var(--ink-700);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-color:var(--lime-500);
  text-decoration-thickness:2px;
}
.article-body a:hover{color:var(--ink-900);}
.article-body strong{font-weight:700;color:var(--ink-900);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}
.article-body code{background:var(--lime-100);border-radius:6px;padding:2px 6px;font-size:15px;}

.empty-article{text-align:center;padding:34px 0 14px;}
.empty-article i{font-size:38px;color:var(--lime-500);}
.empty-article h2{font-size:24px;margin:18px 0 10px;padding-left:0;}
.empty-article h2::before{display:none;}
.empty-article p{color:var(--muted);margin-bottom:22px;}

/* 侧栏 */
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:20px 18px;
  box-shadow:var(--shadow-1);
}
.side-card h3{
  font-size:15px;
  font-weight:700;
  color:var(--ink-900);
  padding-bottom:12px;
  margin-bottom:14px;
  border-bottom:1px solid var(--line);
}
.side-card ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.side-card ul a{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  line-height:1.6;
  color:var(--muted);
  text-decoration:none;
}
.side-card ul a::before{
  content:"";
  width:6px;height:6px;flex:0 0 6px;
  border-radius:2px;
  background:var(--lime-500);
}
.side-card ul a:hover{color:var(--ink-900);}
.side-post{display:block;padding:10px 0;border-bottom:1px dashed var(--line);text-decoration:none;}
.side-post:last-child{border-bottom:0;padding-bottom:0;}
.side-post strong{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--ink-900);
  line-height:1.6;
  margin-bottom:4px;
}
.side-post em{font-style:normal;font-size:12.5px;color:var(--muted);}
.side-post:hover strong{color:var(--ink-700);}

/* ---------- 文章底部 ---------- */
.article-foot{
  width:calc(100% - 48px);
  max-width:1240px;
  margin:0 auto;
  padding:40px 0 0;
}
.foot-block{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-1);
  padding:32px 36px;
  margin-bottom:24px;
}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-label{font-size:14px;color:var(--muted);margin-right:4px;}
.tag{
  display:inline-block;
  font-size:13px;
  line-height:1;
  padding:8px 14px;
  border-radius:999px;
  background:var(--lime-100);
  color:var(--ink-900);
  text-decoration:none;
  transition:background .2s ease,transform .2s ease;
}
.tag:hover{background:var(--lime-500);text-decoration:none;transform:translateY(-2px);}
.foot-nav{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.foot-nav p{font-size:15px;color:var(--muted);margin:0;}
.foot-nav .actions{display:flex;flex-wrap:wrap;gap:12px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:24px;
}
.section-head h2{font-size:26px;}
.section-head a{font-size:14px;font-weight:600;}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.post-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  text-decoration:none;
  transition:transform .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);text-decoration:none;}
.post-thumb{background:var(--lime-100);aspect-ratio:16/9;overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{
  font-size:17px;
  line-height:1.55;
  color:var(--ink-900);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-body p{
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:12.5px;
  color:var(--muted);
}
.post-meta em{
  font-style:normal;
  background:var(--lime-100);
  color:var(--ink-900);
  border-radius:6px;
  padding:4px 9px;
}

/* ---------- 结尾 CTA ---------- */
.cta-band{
  margin-top:72px;
  background:var(--ink-900);
  background-image:linear-gradient(180deg,rgba(11,46,42,.96),rgba(11,46,42,1)),url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  padding:var(--section-y) 0;
}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-inner h2{color:#fff;font-size:30px;max-width:560px;margin-bottom:12px;}
.cta-inner p{color:#a9c4bd;font-size:16px;max-width:560px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);
  color:#d8e6e1;
  padding:72px 0 28px;
  border-top:1px solid rgba(255,255,255,.06);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.25fr;
  gap:40px;
}
.footer-brand .brand-text{
  font-size:19px;
  font-weight:700;
  color:#fff;
  display:inline-block;
}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.9;color:#9fbcb4;max-width:330px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer-col ul a{font-size:14px;color:#9fbcb4;text-decoration:none;}
.footer-col ul a:hover{color:var(--lime-500);}
.footer-contact .rowline{display:flex;gap:10px;font-size:14px;line-height:1.75;color:#9fbcb4;margin-bottom:10px;}
.footer-contact i{color:var(--lime-500);margin-top:5px;flex:0 0 auto;}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:#8aa8a0;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{
    grid-template-columns:minmax(0,1fr);
    grid-template-areas:"body" "side";
    max-width:760px;
    gap:24px;
  }
  .toc-side{display:none;}
  .article-side{grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-foot{max-width:760px;}
  .article-hero h1{font-size:34px;}
}
@media (max-width:1023px){
  :root{--section-y:64px;}
  .dock-nav{display:none;}
  .dock-actions .btn{display:none;}
  .menu-toggle{display:grid;}
  .dock{height:58px;padding:0 8px 0 16px;}
  .dock-brand{margin-right:auto;}
  .search-pop{position:fixed;top:82px;left:12px;right:12px;width:auto;}
  .article-hero{padding:120px 0 48px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--section-y:48px;--gutter:16px;}
  body{font-size:16px;}
  .container{width:calc(100% - 32px);}
  .article-layout,.article-foot{width:calc(100% - 32px);}
  .article-hero{padding:108px 0 40px;}
  .article-hero h1{font-size:28px;}
  .article-main{padding:40px 0 8px;}
  .article-body{padding:28px 22px;border-radius:var(--radius-lg);}
  .article-body h2{font-size:23px;padding-left:14px;}
  .article-body h3{font-size:19px;}
  .article-body p,.article-body li{font-size:16px;}
  .article-body > p:first-of-type{font-size:17px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .article-side{grid-template-columns:minmax(0,1fr);}
  .foot-block{padding:24px 20px;border-radius:var(--radius-lg);}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .section-head h2{font-size:22px;}
  .cta-inner h2{font-size:23px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-bottom{justify-content:flex-start;}
}
@media (max-width:520px){
  .article-meta{gap:8px 16px;font-size:13px;}
  .foot-nav{flex-direction:column;align-items:flex-start;}
  .foot-nav .actions{width:100%;}
  .foot-nav .actions .btn{flex:1 1 auto;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --ink-900:#0B2E2A;
  --ink-700:#16544B;
  --lime-500:#B4E33D;
  --lime-100:#EDF7D6;
  --orange-500:#F2622B;
  --paper:#FAF8F3;
  --surface:#FFFFFF;
  --line:#E4E8E0;
  --text:#14201D;
  --muted:#5D6E69;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --pill:999px;
  --shadow-s:0 2px 10px rgba(20,32,29,.04);
  --shadow-m:0 12px 30px rgba(20,32,29,.09);
  --shadow-d:0 8px 28px rgba(11,46,42,.08);
  --section-y:88px;
  --gutter:12px;
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.35;color:var(--ink-900);font-weight:700;letter-spacing:0}
h1{font-size:40px}
h2{font-size:30px}
h3{font-size:22px}
h4{font-size:18px}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select{font:inherit}
:focus-visible{outline:2px solid var(--lime-500);outline-offset:2px}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 16px}
.section{padding:var(--section-y) 0}
.section-tight{padding:64px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- Dock 导航 ---------- */
.site-header{position:fixed;top:14px;left:0;right:0;z-index:80;padding:0 16px;pointer-events:none}
.dock{
  pointer-events:auto;position:relative;
  max-width:1120px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:14px;
  padding:0 10px 0 20px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--pill);
  box-shadow:var(--shadow-d);
  transition:height .25s ease,background .25s ease,box-shadow .25s ease;
}
body.is-scrolled .dock{height:56px;background:rgba(255,255,255,.97);box-shadow:0 10px 34px rgba(11,46,42,.14)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;font-size:16px;font-weight:700;color:var(--ink-900);white-space:nowrap}
.brand svg{width:28px;height:28px;flex:0 0 28px}
.brand .brand-text{display:inline-block}
.dock-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.dock-nav a{position:relative;display:inline-block;padding:9px 14px;border-radius:var(--pill);font-size:15px;color:var(--ink-700);white-space:nowrap;transition:background .2s ease,color .2s ease}
.dock-nav a:hover{background:var(--lime-100);color:var(--ink-900)}
.dock-nav a.is-active{background:var(--lime-100);color:var(--ink-900);font-weight:600}
.dock-nav a.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--lime-500)}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--pill);border:1px solid var(--line);background:var(--surface);color:var(--ink-700);transition:border-color .2s ease,color .2s ease,transform .2s ease}
.icon-btn:hover{border-color:var(--ink-900);color:var(--ink-900);transform:translateY(-1px)}
.menu-toggle{display:none;width:42px;height:42px;border-radius:var(--pill);border:1px solid var(--line);background:var(--surface);color:var(--ink-900);align-items:center;justify-content:center}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--pill);font-size:16px;font-weight:600;border:1px solid transparent;white-space:nowrap;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease}
.btn-primary{background:var(--lime-500);color:var(--ink-900);box-shadow:0 2px 10px rgba(11,46,42,.08)}
.btn-primary:hover{background:#c2ec55;transform:translateY(-2px);box-shadow:0 10px 24px rgba(11,46,42,.16)}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 10px rgba(11,46,42,.08)}
.btn-ghost{background:var(--surface);color:var(--ink-900);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink-900);transform:translateY(-2px);box-shadow:var(--shadow-s)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-outline-light:hover{border-color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:15px}
.text-link{color:var(--ink-900);font-weight:600;text-decoration:underline;text-decoration-color:var(--lime-500);text-decoration-thickness:2px;text-underline-offset:3px}
.text-link:hover{color:var(--ink-700);text-decoration-color:var(--ink-700)}

/* ---------- 徽章 / 标签 ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:4px 12px;border-radius:6px;background:var(--lime-100);color:var(--ink-900);font-size:13px;font-weight:600;letter-spacing:.02em}
.badge{display:inline-block;padding:4px 10px;border-radius:6px;background:var(--lime-100);color:var(--ink-700);font-size:13px;font-weight:600}
.badge-solid{background:var(--ink-900);color:#fff}
.badge-soft{background:rgba(255,255,255,.14);color:#fff}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;
  padding:146px 0 60px;
  color:#fff;
  background-image:linear-gradient(180deg,rgba(11,46,42,.86) 0%,rgba(11,46,42,.72) 52%,rgba(11,46,42,.9) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}
.page-head .eyebrow{background:rgba(180,227,61,.92);color:var(--ink-900)}
.page-head h1{color:#fff;margin:18px 0 14px;max-width:860px}
.page-head .page-lead{max-width:660px;font-size:18px;color:rgba(255,255,255,.88);margin-bottom:0}
.head-meta{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:26px;font-size:14px;color:rgba(255,255,255,.82)}
.head-meta span{display:inline-flex;align-items:center;gap:8px}
.head-meta i{color:var(--lime-500)}

/* ---------- 栅格微调 ---------- */
.grid-x{margin-left:calc(var(--gutter) * -1);margin-right:calc(var(--gutter) * -1)}
.grid-x > .cell{padding-left:var(--gutter);padding-right:var(--gutter)}

/* ---------- 主图文区 ---------- */
.headline-block h2{margin-bottom:14px}
.headline-block .lede{font-size:17px;color:var(--muted);max-width:600px}
.point-list{margin-top:26px}
.point-list li{position:relative;padding-left:26px;margin-bottom:12px;color:var(--text)}
.point-list li::before{content:"";position:absolute;left:0;top:12px;width:9px;height:9px;border-radius:50%;background:var(--lime-500)}
.point-list li strong{color:var(--ink-900)}
.headline-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.figure-card{position:relative;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);background:var(--lime-100);box-shadow:var(--shadow-s)}
.figure-card img{width:100%;height:100%;min-height:320px;object-fit:cover}
.figure-note{
  position:absolute;left:16px;right:16px;bottom:16px;
  display:flex;justify-content:space-between;gap:14px;
  padding:14px 18px;border-radius:var(--radius);
  background:rgba(255,255,255,.93);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border:1px solid rgba(228,232,224,.9);
}
.figure-note .fn-item{font-size:13px;color:var(--muted)}
.figure-note .fn-num{display:block;font-size:20px;font-weight:700;color:var(--ink-900);font-variant-numeric:tabular-nums}

/* ---------- 纵向条目清单 ---------- */
.list-block{margin-top:64px}
.list-block > h2{margin-bottom:10px}
.list-block .block-desc{color:var(--muted);max-width:640px;margin-bottom:30px}
.feed-list{display:flex;flex-direction:column;gap:14px}
.feed-item{
  display:flex;align-items:center;gap:20px;
  padding:22px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feed-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:#cfe3a8}
.feed-num{
  flex:0 0 46px;width:46px;height:46px;border-radius:12px;
  display:grid;place-items:center;
  border:1.5px solid var(--lime-500);
  background:var(--lime-100);
  color:var(--ink-900);font-weight:700;font-variant-numeric:tabular-nums;
}
.feed-body{flex:1 1 auto;min-width:0}
.feed-body h3{font-size:19px;margin-bottom:4px}
.feed-body p{margin:0;color:var(--muted);font-size:15px}
.feed-arrow{flex:0 0 auto;color:var(--ink-700);transition:transform .22s ease,color .22s ease}
.feed-item:hover .feed-arrow{transform:translateX(4px);color:var(--ink-900)}

/* ---------- 波形装饰 + 项目分栏 ---------- */
.wave{display:block;width:150px;height:26px;color:var(--lime-500);margin-bottom:14px}
.split-block h2{margin-bottom:12px}
.split-block .block-desc{color:var(--muted);max-width:680px;margin-bottom:34px}
.topic-card{
  height:100%;
  padding:26px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.topic-card h3{margin:14px 0 8px}
.topic-card p{color:var(--muted);font-size:15px}
.topic-card .topic-more{display:inline-flex;align-items:center;gap:6px;margin-top:8px;font-size:14px;font-weight:600;color:var(--ink-900)}
.topic-card .topic-more:hover{color:var(--orange-500)}

/* ---------- 深色数据带 ---------- */
.stats-band{position:relative;background:var(--ink-900);color:#fff;padding:84px 0;overflow:hidden}
.stats-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:52px 52px;
  pointer-events:none;
}
.stats-band .container{position:relative;z-index:1}
.stats-band h2{color:#fff;margin-bottom:10px}
.stats-band .band-desc{color:rgba(255,255,255,.76);max-width:620px}
.stat-row{margin-top:44px}
.stat{padding:22px 0;border-top:1px solid rgba(255,255,255,.16)}
.stat-num{display:block;font-size:40px;font-weight:700;color:var(--lime-500);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-num .unit{font-size:22px;margin-left:2px}
.stat-label{display:block;margin-top:6px;font-size:14px;color:rgba(255,255,255,.76)}
.band-foot{margin-top:34px;font-size:14px;color:rgba(255,255,255,.7)}

/* ---------- 订阅区 ---------- */
.subscribe-wrap{
  display:flex;flex-wrap:wrap;gap:32px;align-items:center;
  padding:40px;
  background:var(--lime-100);
  border:1px solid #dbecb5;
  border-radius:var(--radius-l);
}
.subscribe-copy{flex:1 1 320px;min-width:280px}
.subscribe-copy h2{font-size:26px;margin-bottom:10px}
.subscribe-copy p{color:var(--ink-700);margin-bottom:0;font-size:15px}
.subscribe-form{flex:1 1 420px;min-width:280px}
.field-row{display:flex;flex-wrap:wrap;gap:12px}
.field{flex:1 1 180px;display:flex;flex-direction:column;gap:6px}
.field span{font-size:13px;color:var(--ink-700);font-weight:600}
.field input,.field select{
  height:48px;padding:0 16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--pill);
  color:var(--text);
  font-size:15px;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus{border-color:var(--ink-700);box-shadow:0 0 0 3px rgba(180,227,61,.4)}
.subscribe-form .btn{margin-top:14px}
.form-tip{margin-top:12px;font-size:13px;color:var(--ink-700)}

/* ---------- FAQ ---------- */
.faq-head{margin-bottom:32px}
.faq-head h2{margin-bottom:10px}
.faq-head p{color:var(--muted);max-width:620px}
.faq-item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:background .2s ease,border-color .2s ease}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--lime-500);transform:scaleY(0);transform-origin:top;transition:transform .25s ease}
.faq-item.is-open{background:var(--lime-100);border-color:#d3e6a4}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-q{width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:20px 24px;text-align:left;font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.55}
.faq-q i{flex:0 0 auto;margin-top:4px;color:var(--ink-700);transition:transform .25s ease}
.faq-item.is-open .faq-q i{transform:rotate(45deg);color:var(--ink-900)}
.faq-a{display:none;padding:0 24px 22px;color:var(--muted);font-size:16px;line-height:1.85}
.faq-item.is-open .faq-a{display:block}

/* ---------- 相关阅读 ---------- */
.relate-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;flex-wrap:wrap}
.relate-head h2{margin-bottom:6px}
.relate-head p{color:var(--muted);margin-bottom:0;font-size:15px}
.card{
  height:100%;display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.card-thumb{height:180px;background:var(--lime-100);overflow:hidden}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-thumb img{transform:scale(1.04)}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.card-body h3{font-size:19px;margin:12px 0 8px}
.card-body p{color:var(--muted);font-size:15px;flex:1 1 auto}
.card-meta{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:13px;color:var(--muted)}
.card-meta i{color:var(--ink-700)}

/* ---------- 结尾 CTA ---------- */
.cta-band{background:var(--ink-900);color:#fff;padding:80px 0}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-inner h2{color:#fff;margin-bottom:10px}
.cta-inner p{color:rgba(255,255,255,.78);margin-bottom:0;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--paper);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:36px}
.footer-brand .brand-text{display:block;font-size:19px;font-weight:700;color:var(--ink-900);margin-bottom:12px}
.footer-brand p{color:var(--muted);font-size:14px;max-width:340px;margin-bottom:0}
.footer-col h4{font-size:16px;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:var(--muted);font-size:14px}
.footer-col ul a:hover{color:var(--ink-900)}
.footer-contact .rowline{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;font-size:14px;color:var(--muted)}
.footer-contact .rowline i{color:var(--ink-700);margin-top:5px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;margin-top:44px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  h1{font-size:34px}
  h2{font-size:26px}
}
@media (max-width:1023px){
  :root{--section-y:64px}
  .dock{height:58px;padding:0 10px 0 16px;border-radius:20px}
  body.is-scrolled .dock{height:56px}
  .menu-toggle{display:inline-flex}
  .dock-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding:12px;background:#fff;border:1px solid var(--line);
    border-radius:20px;box-shadow:var(--shadow-m);
  }
  .dock-nav.is-open{display:flex}
  .dock-nav a{padding:12px 14px;font-size:16px}
  .dock-nav a.is-active::after{display:none}
  .dock-actions .btn-sm{display:none}
  .page-head{padding:126px 0 52px}
  .page-head .page-lead{font-size:17px}
  .figure-card img{min-height:260px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .subscribe-wrap{padding:30px}
}
@media (max-width:767px){
  body{font-size:16px}
  h1{font-size:28px}
  h2{font-size:22px}
  h3{font-size:18px}
  .page-head{padding:118px 0 44px}
  .head-meta{font-size:13px;gap:10px 18px}
  .feed-item{flex-direction:row;align-items:flex-start;padding:18px}
  .feed-num{flex:0 0 40px;width:40px;height:40px;border-radius:10px;font-size:14px}
  .list-block{margin-top:48px}
  .stat-num{font-size:34px}
  .cta-band{padding:60px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
@media (max-width:639px){
  :root{--section-y:48px}
  .container{padding:0 16px}
  .brand .brand-text{font-size:15px}
  .subscribe-wrap{padding:24px;border-radius:20px}
  .figure-note{position:static;left:auto;right:auto;bottom:auto;border-radius:0;border-left:0;border-right:0;border-bottom:0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:359px){
  body{font-size:15px}
  .brand .brand-text{font-size:14px}
}

/* roulang page: category2 */
:root{
  --ink-900:#0B2E2A;
  --ink-700:#16544B;
  --lime-500:#B4E33D;
  --lime-100:#EDF7D6;
  --orange-500:#F2622B;
  --paper:#FAF8F3;
  --surface:#FFFFFF;
  --line:#E4E8E0;
  --text:#14201D;
  --muted:#5D6E69;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-sm:0 2px 10px rgba(20,32,29,.04);
  --shadow-md:0 12px 30px rgba(20,32,29,.09);
  --shadow-dock:0 8px 28px rgba(11,46,42,.08);
  --container:1200px;
  --section-pad:88px;
  --font-sans:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","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-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;background:var(--lime-100);border-radius:var(--radius-md);}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--lime-500);outline-offset:3px;border-radius:6px;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{color:var(--ink-900);line-height:1.35;font-weight:700;letter-spacing:0;}
h1{font-size:40px;}
h2{font-size:30px;}
h3{font-size:22px;}
h4{font-size:17px;}
p{line-height:1.85;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
::selection{background:var(--lime-500);color:var(--ink-900);}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--section-pad) 0;}
.section--tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--ink-700);
  background:var(--lime-100);border-radius:6px;padding:4px 10px;margin-bottom:16px;
}
.eyebrow i{color:var(--ink-700);font-size:12px;}

/* ---------- Dock 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  padding:18px 0;transition:padding .25s ease;
}
.dock{
  max-width:1120px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:18px;
  padding:0 12px 0 22px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-dock);
  transition:height .25s ease,background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{padding:10px 0;}
.site-header.is-scrolled .dock{
  height:56px;
  background:rgba(255,255,255,.96);
  box-shadow:0 10px 30px rgba(11,46,42,.14);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink-900);color:var(--lime-500);flex-shrink:0;
}
.brand-text{font-size:16px;font-weight:700;color:var(--ink-900);white-space:nowrap;}
.dock-nav{
  display:flex;align-items:center;gap:6px;
  margin-left:auto;margin-right:auto;
}
.dock-nav a{
  font-size:14.5px;color:var(--muted);font-weight:500;
  padding:8px 14px;border-radius:999px;position:relative;white-space:nowrap;
}
.dock-nav a:hover{color:var(--ink-900);background:var(--lime-100);}
.dock-nav a.is-active{color:var(--ink-900);background:var(--lime-100);font-weight:600;}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--lime-500);border-radius:2px;
}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-700);background:transparent;border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--lime-100);color:var(--ink-900);}
.nav-toggle{display:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--lime-500);color:var(--ink-900);}
.btn-primary:hover{background:#c3ee52;transform:translateY(-2px);box-shadow:0 10px 24px rgba(11,46,42,.16);color:var(--ink-900);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:var(--surface);border:1px solid var(--line);color:var(--ink-900);}
.btn-ghost:hover{border-color:var(--ink-900);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-dark{background:var(--orange-500);color:#fff;}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(242,98,43,.28);color:#fff;}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.dock .btn{height:42px;padding:0 20px;font-size:14.5px;}

.search-panel{
  max-width:1120px;margin:10px auto 0;display:none;
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-md);padding:16px 18px;
}
body.search-open .search-panel{display:block;}
.search-panel form{display:flex;gap:10px;align-items:center;}
.search-panel input{
  flex:1;height:46px;border-radius:999px;border:1px solid var(--line);
  padding:0 18px;font-size:15px;font-family:inherit;color:var(--text);background:var(--paper);
}
.search-panel input::placeholder{color:#9AA8A4;}
.search-hint{font-size:13px;color:var(--muted);margin-top:10px;}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:158px 0 76px;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(11,46,42,.94) 0%,rgba(11,46,42,.82) 46%,rgba(11,46,42,.52) 100%);
}
.page-hero .container{position:relative;z-index:2;max-width:960px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:20px;}
.breadcrumb a:hover{color:var(--lime-500);}
.breadcrumb span[aria-current]{color:rgba(255,255,255,.9);}
.page-hero h1{color:#fff;max-width:820px;}
.page-hero .hero-lead{
  margin-top:18px;max-width:620px;font-size:17px;color:rgba(255,255,255,.78);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{
  font-size:13px;color:var(--lime-100);
  border:1px solid rgba(180,227,61,.42);
  background:rgba(180,227,61,.12);
  padding:5px 12px;border-radius:6px;
}

/* ---------- 通用卡片 ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:24px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#D7E2CB;}
.card h3{font-size:20px;margin-bottom:10px;}
.card p{color:var(--muted);font-size:15px;}
.card-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--lime-100);color:var(--ink-700);font-size:18px;margin-bottom:18px;
}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}

/* ---------- 时间轴 ---------- */
.timeline-wrap{position:relative;}
.timeline{position:relative;max-width:840px;margin:0 auto;padding-left:64px;}
.timeline::before{
  content:"";position:absolute;left:21px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--lime-500) 0%,rgba(180,227,61,.35) 70%,rgba(180,227,61,.1) 100%);
}
.tl-item{position:relative;padding-bottom:42px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:-64px;top:2px;width:44px;height:44px;border-radius:50%;
  background:var(--surface);border:2px solid var(--lime-500);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:var(--ink-900);
  font-variant-numeric:tabular-nums;
  box-shadow:0 4px 14px rgba(11,46,42,.08);
}
.tl-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tl-body:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#D7E2CB;}
.tl-body h3{font-size:20px;margin-bottom:10px;}
.tl-body p{color:var(--muted);font-size:15px;}
.tl-note{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;
  font-size:13px;color:var(--ink-700);background:var(--lime-100);
  padding:4px 10px;border-radius:6px;
}
.tl-figure{margin:6px 0 42px;}
.tl-figure img{width:100%;height:230px;border-radius:var(--radius-lg);}
.tl-figure figcaption{font-size:13px;color:var(--muted);margin-top:10px;}

/* ---------- 表格 ---------- */
.table-scroll{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-lg);
  background:var(--surface);box-shadow:var(--shadow-sm);
}
.spec-table{width:100%;min-width:640px;border-collapse:collapse;}
.spec-table th{
  background:var(--lime-100);color:var(--ink-900);
  font-size:14px;font-weight:600;text-align:left;padding:15px 20px;
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.spec-table td{
  padding:17px 20px;border-top:1px solid var(--line);
  font-size:15px;color:var(--text);vertical-align:top;
}
.spec-table tbody tr:first-child td{border-top:0;}
.spec-table tbody tr:hover{background:#FCFDF8;}
.spec-table td:first-child{font-weight:600;color:var(--ink-900);white-space:nowrap;}
.spec-table td .muted{color:var(--muted);}

/* ---------- 深色数据区 ---------- */
.dark-band{
  position:relative;background:var(--ink-900);color:#fff;overflow:hidden;
  padding:var(--section-pad) 0;
}
.dark-band::before{
  content:"";position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.35) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.35) 1px,transparent 1px);
  background-size:64px 64px;
}
.dark-band .container{position:relative;z-index:2;}
.dark-band h2{color:#fff;}
.dark-band .section-head p{color:rgba(255,255,255,.72);}
.stat{padding:6px 4px;}
.stat .num{
  font-size:38px;font-weight:700;color:var(--lime-500);line-height:1.2;
  display:block;letter-spacing:0;
}
.stat .stat-label{display:block;margin-top:10px;font-size:15px;color:#fff;font-weight:600;}
.stat .stat-desc{display:block;margin-top:6px;font-size:14px;color:rgba(255,255,255,.6);line-height:1.7;}
.stat-divider{border-top:1px solid rgba(255,255,255,.14);margin-top:44px;padding-top:28px;font-size:15px;color:rgba(255,255,255,.7);}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:background-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{background:var(--lime-100);border-color:#D6E9A8;box-shadow:inset 4px 0 0 var(--lime-500);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:17px;font-weight:600;color:var(--ink-900);
  cursor:pointer;list-style:none;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q .faq-ico{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;
  background:var(--surface);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--ink-700);transition:transform .25s ease,background-color .25s ease;
}
.faq-item[open] .faq-ico{transform:rotate(45deg);background:var(--lime-500);border-color:var(--lime-500);color:var(--ink-900);}
.faq-a{padding:0 22px 22px;color:var(--muted);font-size:15.5px;}

/* ---------- 文章卡 ---------- */
.post-card{display:flex;flex-direction:column;overflow:hidden;padding:0;}
.post-thumb{position:relative;height:190px;overflow:hidden;}
.post-thumb img{width:100%;height:100%;border-radius:0;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.post-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);margin-bottom:12px;}
.badge{
  display:inline-block;font-size:13px;padding:4px 10px;border-radius:6px;
  background:var(--lime-100);color:var(--ink-700);font-weight:600;
}
.badge-dark{background:var(--ink-900);color:#fff;}
.post-body h3{font-size:19px;margin-bottom:10px;}
.post-body p{color:var(--muted);font-size:15px;flex:1;}
.post-link{
  margin-top:18px;font-size:14px;font-weight:600;color:var(--ink-900);
  display:inline-flex;align-items:center;gap:6px;
  border-bottom:1px solid var(--line);padding-bottom:3px;
}
.post-link:hover{border-color:var(--lime-500);color:var(--ink-700);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;background:var(--ink-900);overflow:hidden;
  padding:76px 0;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(180,227,61,.22) 0%,rgba(180,227,61,0) 68%);
}
.cta-inner{position:relative;z-index:2;max-width:760px;}
.cta-band h2{color:#fff;}
.cta-band p{color:rgba(255,255,255,.74);margin-top:16px;font-size:16px;max-width:600px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.cta-band .btn-ghost{background:transparent;border-color:rgba(255,255,255,.32);color:#fff;}
.cta-band .btn-ghost:hover{border-color:var(--lime-500);color:var(--lime-500);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;}
.footer-brand .brand-text{display:block;font-size:20px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul li{margin-bottom:2px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.7);line-height:2.1;}
.footer-col ul li a:hover{color:var(--lime-500);}
.footer-contact .rowline{display:flex;gap:10px;font-size:14px;line-height:1.9;margin-bottom:10px;color:rgba(255,255,255,.7);}
.footer-contact .rowline i{color:var(--lime-500);margin-top:6px;flex-shrink:0;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:44px;padding-top:20px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  :root{--section-pad:72px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1024px){
  :root{--section-pad:64px;}
  h1{font-size:34px;}
  h2{font-size:26px;}
  h3{font-size:20px;}
  .dock{width:calc(100% - 24px);border-radius:20px;padding:0 10px 0 16px;gap:10px;}
  .site-header{padding:12px 0;}
  .nav-toggle{display:inline-flex;}
  .dock-nav{
    position:fixed;top:86px;left:12px;right:12px;z-index:90;
    flex-direction:column;align-items:stretch;gap:4px;
    background:var(--surface);border:1px solid var(--line);border-radius:20px;
    box-shadow:var(--shadow-md);padding:12px;margin:0;
    display:none;
  }
  body.nav-open .dock-nav{display:flex;}
  .dock-nav a{padding:12px 16px;border-radius:12px;font-size:15px;}
  .dock-nav a.is-active::after{display:none;}
  .dock .btn{display:none;}
  .dock-actions{margin-left:auto;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .page-hero{padding:132px 0 58px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  :root{--section-pad:48px;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  body{font-size:16px;}
  .container{padding:0 16px;}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}
  .section-head{margin-bottom:32px;}
  .page-hero{padding:118px 0 48px;}
  .timeline{padding-left:46px;}
  .timeline::before{left:15px;}
  .tl-dot{left:-46px;width:32px;height:32px;font-size:13px;top:4px;}
  .tl-item{padding-bottom:32px;}
  .tl-body{padding:20px;}
  .tl-figure img{height:170px;}
  .stat .num{font-size:30px;}
  .cta-band{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .post-thumb{height:170px;}
  .search-panel{margin:8px 12px 0;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:360px){
  .brand-text{font-size:14px;}
  .container{padding:0 14px;}
  h1{font-size:25px;}
}

/* roulang page: category3 */
:root{
  --ink-900:#0B2E2A;
  --ink-700:#16544B;
  --lime-500:#B4E33D;
  --lime-100:#EDF7D6;
  --orange-500:#F2622B;
  --paper:#FAF8F3;
  --surface:#FFFFFF;
  --line:#E4E8E0;
  --text:#14201D;
  --muted:#5D6E69;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-s:0 2px 10px rgba(20,32,29,.04);
  --shadow-m:0 12px 30px rgba(20,32,29,.09);
  --shadow-nav:0 8px 28px rgba(11,46,42,.08);
  --gutter:24px;
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:0;color:var(--ink-900)}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--lime-500);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- Dock 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  padding:14px 16px 0;
}
.dock{
  max-width:1120px;margin:0 auto;
  display:flex;align-items:center;gap:14px;
  height:64px;padding:0 12px 0 20px;
  border-radius:999px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-nav);
  transition:height .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled .dock{
  height:56px;
  background:rgba(255,255,255,.95);
  box-shadow:0 12px 34px rgba(11,46,42,.14);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--ink-900);
  display:flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.brand-mark svg{width:18px;height:18px;display:block}
.brand-text{
  font-size:16px;font-weight:700;color:var(--ink-900);
  white-space:nowrap;letter-spacing:0;
}
.dock-nav{
  display:flex;align-items:center;gap:4px;
  margin-left:6px;flex:1 1 auto;
}
.dock-nav a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:14.5px;color:var(--muted);
  border-radius:999px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-nav a:hover{color:var(--ink-900);background:var(--lime-100)}
.dock-nav a.is-active{color:var(--ink-900);font-weight:600;background:var(--lime-100)}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--lime-500);border-radius:2px;
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
  color:var(--ink-700);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.icon-btn:hover{border-color:var(--ink-700);color:var(--ink-900);transform:translateY(-1px)}
.mobile-toggle{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15.5px;font-weight:600;cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--lime-500);color:var(--ink-900)}
.btn-primary:hover{background:#c3ee55;transform:translateY(-2px);box-shadow:0 10px 24px rgba(11,46,42,.16)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--surface);color:var(--ink-900);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink-700);transform:translateY(-2px)}
.btn-dark{background:var(--ink-900);color:#fff}
.btn-dark:hover{background:var(--ink-700);transform:translateY(-2px);box-shadow:0 10px 24px rgba(11,46,42,.2)}
.mobile-menu{
  display:none;
  position:fixed;top:88px;left:16px;right:16px;z-index:79;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:0 16px 40px rgba(11,46,42,.14);
  padding:12px;
}
.mobile-menu a{
  display:block;padding:12px 14px;border-radius:12px;
  font-size:15.5px;color:var(--ink-900);
}
.mobile-menu a:hover{background:var(--lime-100)}
.mobile-menu a.is-active{background:var(--lime-100);font-weight:600}
.mobile-menu .menu-cta{margin-top:8px;background:var(--lime-500);text-align:center;font-weight:600}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  min-height:340px;
  display:flex;align-items:flex-end;
  padding:150px 0 44px;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  background-color:var(--ink-900);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,46,42,.62) 0%,rgba(11,46,42,.86) 100%);
}
.page-hero .container{position:relative;z-index:2}
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:14px;
}
.crumb a{color:rgba(255,255,255,.72);text-decoration:underline;text-underline-offset:3px}
.crumb a:hover{color:var(--lime-500)}
.crumb em{font-style:normal;color:#fff}
.page-hero h1{
  font-size:40px;color:#fff;max-width:820px;margin-bottom:14px;
}
.hero-lead{
  font-size:17px;color:rgba(255,255,255,.86);max-width:660px;margin-bottom:22px;
}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px}
.hero-chips li{
  font-size:13px;padding:6px 14px;border-radius:999px;
  background:rgba(237,247,214,.16);
  border:1px solid rgba(180,227,61,.42);
  color:#EAF7CE;
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0}
.section-tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--ink-700);
  background:var(--lime-100);border-radius:999px;
  padding:5px 14px;margin-bottom:14px;
}
.section-head h2{font-size:30px;margin-bottom:12px}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.section-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;flex-wrap:wrap;
}
.section-head-row .section-head{margin-bottom:0}
.link-more{
  font-size:14.5px;color:var(--ink-700);font-weight:600;
  text-decoration:underline;text-underline-offset:3px;
}
.link-more:hover{color:var(--ink-900);text-decoration-color:var(--lime-500)}

/* ---------- 标签条 ---------- */
.chip-bar{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-bottom:36px;
}
.chip{
  font-size:13.5px;padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);color:var(--muted);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.chip:hover{border-color:var(--ink-700);color:var(--ink-900)}
.chip.is-on{background:var(--ink-900);border-color:var(--ink-900);color:#fff}

/* ---------- 项目图文卡 ---------- */
.project-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.project-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  box-shadow:var(--shadow-s);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.project-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.project-card.is-current{
  border-color:var(--ink-900);
  box-shadow:0 12px 30px rgba(11,46,42,.14);
}
.project-thumb{
  position:relative;
  aspect-ratio:16/9;
  background:var(--lime-100);
  overflow:hidden;
}
.project-thumb img{width:100%;height:100%;object-fit:cover}
.thumb-badge{
  position:absolute;top:14px;left:14px;
  font-size:13px;padding:4px 10px;border-radius:6px;
  background:var(--lime-500);color:var(--ink-900);font-weight:600;
}
.project-body{padding:24px;display:flex;flex-direction:column;flex:1 1 auto}
.project-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.tag{
  font-size:13px;padding:4px 10px;border-radius:6px;
  background:var(--lime-100);color:var(--ink-700);
}
.tag-strong{background:var(--ink-900);color:#fff}
.project-body h3{font-size:22px;margin-bottom:10px}
.project-body > p{color:var(--muted);font-size:15.5px;line-height:1.8}
.project-detail{
  margin-top:auto;
  border-top:1px dashed var(--line);
  padding-top:14px;
  transition:background .2s ease,padding .2s ease;
}
.project-detail summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14.5px;font-weight:600;color:var(--ink-700);
}
.project-detail summary::-webkit-details-marker{display:none}
.project-detail summary::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  color:var(--ink-700);
  transition:transform .2s ease;
}
.project-detail[open] summary::after{transform:rotate(180deg)}
.project-detail[open]{
  background:var(--lime-100);
  border-top-color:transparent;
  border-radius:12px;
  padding:16px;
  margin-top:18px;
}
.detail-list{margin-top:12px;display:grid;gap:10px}
.detail-list li{
  font-size:14.5px;color:var(--ink-700);line-height:1.75;
  padding-left:16px;position:relative;
}
.detail-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:2px;background:var(--ink-700);
}
.detail-list li strong{color:var(--ink-900)}

/* ---------- 深色数据区 ---------- */
.stats-band{
  background:var(--ink-900);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.stats-band::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
}
.stats-band .container{position:relative;z-index:2}
.stats-band h2{color:#fff;font-size:30px;margin-bottom:12px}
.stats-band .band-lead{color:rgba(255,255,255,.78);max-width:640px;margin-bottom:44px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.stat-item{border-top:1px solid rgba(255,255,255,.18);padding-top:20px}
.stat-num{
  font-size:38px;font-weight:700;color:var(--lime-500);line-height:1.2;
}
.stat-num small{font-size:16px;font-weight:600;margin-left:4px;color:var(--lime-500)}
.stat-item h3{color:#fff;font-size:17px;font-weight:600;margin:10px 0 6px}
.stat-item p{color:rgba(255,255,255,.68);font-size:14.5px;margin:0}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  box-shadow:var(--shadow-s);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#cfd8cd;box-shadow:var(--shadow-m)}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:20px 24px;
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item h3{font-size:18px;font-weight:600;margin:0}
.faq-item summary::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;
  color:var(--ink-700);flex:0 0 auto;margin-top:5px;
  transition:transform .2s ease,color .2s ease;
}
.faq-item[open]{border-color:var(--lime-500)}
.faq-item[open] summary::after{content:"\f068";color:var(--ink-900)}
.faq-body{
  padding:0 24px 22px 24px;
  border-left:4px solid var(--lime-500);
  margin-left:24px;
  padding-left:20px;
  color:var(--muted);
  font-size:15.5px;
}
.faq-item[open] .faq-answer-wrap{background:var(--lime-100)}

/* ---------- 相关内容 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.post-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  box-shadow:var(--shadow-s);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.post-thumb{aspect-ratio:16/10;background:var(--lime-100);overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.post-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.post-body h3{font-size:18px;line-height:1.5}
.post-body p{font-size:15px;color:var(--muted);margin:0}
.post-link{
  margin-top:auto;font-size:14px;font-weight:600;color:var(--ink-700);
  text-decoration:underline;text-underline-offset:3px;
}
.post-link:hover{color:var(--ink-900);text-decoration-color:var(--lime-500)}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-900);
  color:#fff;
  border-radius:var(--radius-l);
  padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-80px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(180,227,61,.22),transparent 70%);
}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{color:#fff;font-size:30px;margin-bottom:10px}
.cta-copy p{color:rgba(255,255,255,.78);margin:0;font-size:16px}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.36)}
.cta-actions .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.76);
  padding:72px 0 28px;
  margin-top:var(--sec);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand .brand-text{
  display:inline-block;color:#fff;font-size:19px;font-weight:700;margin-bottom:14px;
}
.footer-brand p{font-size:14.5px;color:rgba(255,255,255,.66);margin:0;line-height:1.85}
.footer-col h4{
  color:#fff;font-size:16px;margin-bottom:16px;font-weight:600;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{
  font-size:14.5px;color:rgba(255,255,255,.7);
  transition:color .2s ease;
}
.footer-col ul li a:hover{color:var(--lime-500)}
.footer-contact .rowline{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14.5px;color:rgba(255,255,255,.7);margin-bottom:12px;
}
.footer-contact .rowline i{color:var(--lime-500);margin-top:5px;flex:0 0 auto}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .dock-nav a{padding:8px 10px;font-size:14px}
}
@media (max-width:1023px){
  :root{--sec:64px}
  .site-header{padding:12px 12px 0}
  .dock{width:100%;height:60px;padding:0 10px 0 16px}
  .dock-nav{display:none}
  .mobile-toggle{display:inline-flex}
  .page-hero{padding:130px 0 40px;min-height:300px}
  .page-hero h1{font-size:34px}
  .section-head h2{font-size:26px}
  .stats-band h2{font-size:26px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:44px 32px}
}
@media (max-width:767px){
  :root{--sec:48px;--gutter:20px}
  body{font-size:16px}
  .brand-text{font-size:15px}
  .dock-actions .btn-sm{display:none}
  .page-hero h1{font-size:28px}
  .hero-lead{font-size:15.5px}
  .project-grid{grid-template-columns:1fr;gap:20px}
  .related-grid{grid-template-columns:1fr;gap:20px}
  .stat-grid{grid-template-columns:1fr;gap:20px}
  .section-head h2{font-size:22px}
  .stats-band h2{font-size:22px}
  .cta-band{padding:36px 22px}
  .cta-copy h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-body{margin-left:16px;padding-left:16px}
  .faq-item summary{padding:18px}
  .faq-item h3{font-size:16.5px}
}
@media (max-width:360px){
  .brand-text{font-size:14px}
  .dock{height:56px}
  .page-hero h1{font-size:25px}
}

/* roulang page: category4 */
:root{
  --ink-900:#0B2E2A;
  --ink-700:#16544B;
  --lime-500:#B4E33D;
  --lime-100:#EDF7D6;
  --orange-500:#F2622B;
  --paper:#FAF8F3;
  --surface:#FFFFFF;
  --line:#E4E8E0;
  --text:#14201D;
  --muted:#5D6E69;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-pill:999px;
  --shadow-s:0 2px 10px rgba(20,32,29,.04);
  --shadow-m:0 12px 30px rgba(20,32,29,.09);
  --shadow-dock:0 8px 28px rgba(11,46,42,.08);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;background:var(--lime-100);}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--ink-900);letter-spacing:0;}
h1{font-size:clamp(28px,3.4vw,40px);}
h2{font-size:clamp(22px,2.4vw,30px);}
h3{font-size:clamp(18px,1.6px + 0.6vw,22px);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime-500);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.tnum{font-variant-numeric:tabular-nums;}
.text-link{color:var(--ink-700);text-decoration:underline;text-underline-offset:3px;}
.text-link:hover{color:var(--ink-900);text-decoration-color:var(--lime-500);}

/* ============ 悬浮 Dock 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;padding:14px 0 10px;
  background:linear-gradient(180deg,var(--paper) 0%,var(--paper) 72%,rgba(250,248,243,0) 100%);
}
.dock{
  width:calc(100% - 32px);max-width:1120px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:16px;padding:0 10px 0 18px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:var(--radius-pill);
  box-shadow:var(--shadow-dock);
  transition:height .25s ease,box-shadow .25s ease,background .25s ease;
}
.is-scrolled .dock{height:56px;background:rgba(255,255,255,.96);box-shadow:0 10px 30px rgba(11,46,42,.14);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--ink-900);
  display:grid;place-items:center;color:var(--lime-500);font-size:14px;
  transition:transform .25s ease;
}
.brand:hover .brand-mark{transform:rotate(-8deg);}
.brand-name{font-weight:700;font-size:16px;color:var(--ink-900);white-space:nowrap;}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-nav a{
  padding:9px 14px;border-radius:var(--radius-pill);font-size:15px;color:var(--muted);
  white-space:nowrap;transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.dock-nav a:hover{background:var(--lime-100);color:var(--ink-900);}
.dock-nav a.is-active{
  background:var(--lime-100);color:var(--ink-900);font-weight:600;
  box-shadow:inset 0 -2px 0 var(--lime-500);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  color:var(--ink-700);border:1px solid transparent;transition:.2s ease;
}
.icon-btn:hover{background:var(--lime-100);color:var(--ink-900);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:16px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--lime-500);color:var(--ink-900);}
.btn-primary:hover{background:#c6f15a;transform:translateY(-2px);box-shadow:0 10px 24px rgba(11,46,42,.16);}
.btn-primary:active{transform:none;box-shadow:none;}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink-900);}
.btn-ghost:hover{border-color:var(--ink-900);}
.btn-onDark{background:transparent;border:1px solid rgba(255,255,255,.32);color:#fff;}
.btn-onDark:hover{border-color:var(--lime-500);color:var(--lime-500);}
.dock-cta{height:42px;padding:0 20px;font-size:15px;}
.menu-btn{display:none;width:40px;height:40px;border-radius:50%;place-items:center;color:var(--ink-900);}
.menu-btn:hover{background:var(--lime-100);}

.mobile-panel{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  padding:20px 20px 40px;overflow-y:auto;
  transform:translateY(-100%);visibility:hidden;
  transition:transform .32s ease,visibility .32s ease;
}
.mobile-panel.is-open{transform:translateY(0);visibility:visible;}
.mobile-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.mobile-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:24px;}
.mobile-nav a{
  padding:16px 18px;border-radius:var(--radius-m);font-size:17px;color:var(--ink-900);
  background:var(--surface);border:1px solid var(--line);
}
.mobile-nav a.is-active{background:var(--lime-100);border-color:var(--lime-500);font-weight:600;}
.mobile-cta{width:100%;}

/* ============ 页头 ============ */
.page-hero{
  position:relative;min-height:320px;display:flex;align-items:center;
  overflow:hidden;border-radius:0 0 28px 28px;margin-top:6px;
}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 32%;}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,46,42,.94) 0%,rgba(11,46,42,.80) 48%,rgba(11,46,42,.44) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:52px;padding-bottom:60px;color:#fff;}
.page-hero h1{color:#fff;margin:14px 0 12px;max-width:820px;}
.hero-lead{color:rgba(255,255,255,.82);font-size:17px;margin:0;max-width:640px;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);}
.crumbs a{color:rgba(255,255,255,.66);}
.crumbs a:hover{color:var(--lime-500);}
.crumbs .current{color:#fff;}
.badge{
  display:inline-block;font-size:13px;line-height:1.5;padding:4px 10px;
  border-radius:6px;background:var(--lime-100);color:var(--ink-900);font-weight:600;
}

/* ============ 锚点条 ============ */
.anchor-bar{position:sticky;top:82px;z-index:40;margin-top:-26px;}
.anchor-inner{
  display:flex;align-items:center;gap:6px;overflow-x:auto;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-pill);
  box-shadow:var(--shadow-s);padding:8px 10px;
  scrollbar-width:thin;
}
.anchor-inner::-webkit-scrollbar{height:0;}
.anchor-label{font-size:13px;color:var(--muted);padding:0 10px 0 6px;white-space:nowrap;flex:0 0 auto;}
.anchor-inner a{
  padding:8px 14px;border-radius:var(--radius-pill);font-size:14px;color:var(--muted);
  white-space:nowrap;transition:.2s ease;
}
.anchor-inner a:hover{background:var(--lime-100);color:var(--ink-900);}
.anchor-inner a.is-current{background:var(--ink-900);color:#fff;}
.anchor-inner a.anchor-cta{background:var(--lime-100);color:var(--ink-900);font-weight:600;margin-left:auto;}
.anchor-inner a.anchor-cta:hover{background:var(--lime-500);}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-tight{padding:64px 0 88px;}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ============ 分组短语卡 ============ */
.group + .group{margin-top:72px;}
.group-head{max-width:760px;margin-bottom:26px;}
.group-index{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;
  color:var(--ink-700);font-variant-numeric:tabular-nums;
  background:var(--lime-100);border-radius:6px;padding:3px 10px;
}
.group-head h2{margin:12px 0 8px;padding-left:16px;position:relative;}
.group-head h2::before{
  content:"";position:absolute;left:0;top:.24em;width:4px;height:.86em;
  background:var(--lime-500);border-radius:2px;
}
.group-lead{color:var(--muted);font-size:16px;margin:0;}
.phrase-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.phrase-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:24px;box-shadow:var(--shadow-s);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.phrase-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:#cfe2b5;}
.phrase-card h3{font-size:19px;margin-bottom:10px;}
.phrase-card h3::before{
  content:"";display:block;width:22px;height:3px;border-radius:2px;
  background:var(--lime-500);margin-bottom:12px;
}
.phrase-card p{color:var(--muted);font-size:15px;line-height:1.8;margin:0;}

/* ============ 安全自查 ============ */
.check-section{
  background:var(--surface);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.check-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 0;border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0;}
.check-num{
  flex:0 0 auto;width:28px;height:28px;margin-top:4px;
  border:1px solid var(--lime-500);border-radius:8px;
  display:grid;place-items:center;font-size:13px;font-weight:700;
  color:var(--ink-700);font-variant-numeric:tabular-nums;
}
.check-list strong{display:block;font-size:16px;color:var(--ink-900);font-weight:600;}
.check-list span{display:block;font-size:14px;color:var(--muted);line-height:1.75;}
.check-figure{margin:0;}
.check-figure img{
  width:100%;aspect-ratio:4 / 3;object-fit:cover;
  border-radius:20px;border:1px solid var(--line);
}
.check-figure figcaption{font-size:13px;color:var(--muted);margin-top:12px;text-align:center;}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#cfd9cd;}
.faq-item.is-open{
  border-color:var(--lime-500);background:var(--lime-100);
  box-shadow:inset 4px 0 0 var(--lime-500);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:18px;font-weight:600;color:var(--ink-900);
}
.faq-q i{color:var(--ink-700);font-size:14px;transition:transform .25s ease;flex:0 0 auto;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 24px 22px;font-size:16px;color:#3D4F4A;}

/* ============ 相关文章 ============ */
.rel-section{background:var(--paper);}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;
  box-shadow:var(--shadow-s);transition:transform .24s ease,box-shadow .24s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);}
.rel-thumb{aspect-ratio:16 / 9;overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.rel-tag{background:var(--lime-100);color:var(--ink-900);border-radius:6px;padding:3px 9px;font-weight:600;}
.rel-body h3{font-size:18px;line-height:1.5;}
.rel-body p{font-size:14px;color:var(--muted);margin:0;flex:1;}
.rel-more{font-size:14px;font-weight:600;color:var(--ink-700);}
.rel-card:hover .rel-more{color:var(--orange-500);}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-900);color:#fff;
  border-radius:28px;padding:64px 48px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(180,227,61,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(180,227,61,.07) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;max-width:720px;}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.76);font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);margin-top:88px;padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand-text{display:block;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.8;margin:0;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;}
.site-footer ul li{margin-bottom:10px;font-size:14px;}
.site-footer a{color:rgba(255,255,255,.72);}
.site-footer a:hover{color:var(--lime-500);}
.footer-contact .rowline{display:flex;gap:10px;font-size:14px;line-height:1.7;margin-bottom:12px;}
.footer-contact i{color:var(--lime-500);margin-top:5px;flex:0 0 auto;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .dock{border-radius:20px;padding:0 10px 0 14px;gap:10px;}
  .dock-nav{display:none;}
  .dock-cta{display:none;}
  .menu-btn{display:grid;}
  .anchor-bar{position:static;margin-top:-20px;}
  .anchor-inner a.anchor-cta{margin-left:0;}
  .phrase-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .check-grid{grid-template-columns:1fr;gap:36px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .page-hero{border-radius:0 0 20px 20px;}
  .cta-band{padding:52px 32px;}
}
@media (max-width:767px){
  .dock{height:58px;}
  .brand-name{font-size:15px;}
  .anchor-label{display:none;}
  .page-hero{min-height:280px;}
  .hero-inner{padding-top:40px;padding-bottom:48px;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .phrase-grid,.rel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .section-tight{padding:44px 0 56px;}
  .group + .group{margin-top:52px;}
  .cta-band{padding:40px 24px;border-radius:20px;}
  .faq-q{padding:18px;font-size:17px;}
  .faq-a-inner{padding:0 18px 20px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-actions .btn{width:100%;}
}