/* roulang page: index */
:root{
  --brand-900:#06372F;
  --brand-700:#0B6E5F;
  --brand-500:#12A88C;
  --brand-300:#6FD9C0;
  --lime-400:#B6E94B;
  --accent-500:#FF7A29;
  --ink-900:#0F211D;
  --ink-600:#51645F;
  --line:#E3EAE4;
  --bg:#F4F7F3;
  --surface:#FFFFFF;
  --dark:#0B1F1B;
  --tint:#E8F5F1;
  --grad-brand:linear-gradient(120deg,#0B6E5F 0%,#12A88C 55%,#B6E94B 100%);
  --shadow-1:0 8px 24px rgba(11,110,95,.07);
  --shadow-2:0 18px 40px rgba(11,110,95,.14);
  --shadow-3:0 24px 60px rgba(11,110,95,.18);
  --r-card:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
.site-body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink-900);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.site-body img{max-width:100%;display:block}
.site-body a{color:inherit;text-decoration:none}
.site-body button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
.site-body h1,.site-body h2,.site-body h3,.site-body h4{margin:0;line-height:1.28;letter-spacing:-0.02em}
.site-body p{margin:0}
.site-body ul,.site-body ol{margin:0;padding:0;list-style:none}
.site-body table{border-collapse:collapse;width:100%}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.eyebrow{font-size:13px;letter-spacing:.04em;color:var(--brand-700);font-weight:600}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(11,110,95,.22)}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 12px 26px rgba(255,122,41,.26)}
.btn-outline{background:transparent;color:var(--ink-900);border:1px solid var(--line)}
.btn-outline:hover{background:var(--tint);border-color:var(--brand-300);color:var(--brand-700)}
.btn-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn:hover{transform:translateY(-1px)}
.btn-primary:hover{box-shadow:0 16px 34px rgba(11,110,95,.3)}
.btn-accent:hover{box-shadow:0 18px 36px rgba(255,122,41,.32)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}

/* ---------- 顶部通告 ---------- */
.topbar{background:var(--dark);color:rgba(255,255,255,.86);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:center;gap:14px;min-height:34px;padding:5px 0;text-align:center;flex-wrap:wrap}
.topbar b{color:var(--lime-400);font-weight:700;font-variant-numeric:tabular-nums}
.topbar a{color:var(--brand-300);border-bottom:1px solid rgba(111,217,192,.4)}
.topbar a:hover{color:var(--lime-400)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(244,247,243,.94);
  border-bottom:1px solid transparent;
  transition:background-color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:0 8px 22px rgba(11,110,95,.08);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;min-width:0}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(11,110,95,.28);
}
.logo-mark svg{width:22px;height:22px}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-0.01em;color:var(--ink-900);line-height:1.15;white-space:nowrap}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--ink-600);letter-spacing:.02em}
.main-nav{display:none;align-items:center;gap:30px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ink-900);padding:6px 2px;border-radius:999px;transition:color .18s ease}
.nav-link:hover{color:var(--brand-700)}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:3px;border-radius:3px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{background:var(--tint);color:var(--brand-700);font-weight:600;padding:8px 16px}
.nav-link.active::after{display:none}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--brand-700);font-size:16px;
}
.menu-btn:hover{border-color:var(--brand-300);background:var(--tint)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,31,27,.42);opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;background:#fff;z-index:90;
  transform:translateX(100%);transition:transform .2s ease-out;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
  box-shadow:var(--shadow-3);
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);color:var(--ink-600)}
.drawer-nav{margin-top:8px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-900);font-weight:500;
}
.drawer-nav a.active{color:var(--brand-700);font-weight:700}
.drawer-nav a i{font-size:12px;color:var(--brand-300)}
.drawer-foot{margin-top:20px}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--bg);
  padding:56px 0 44px;
}
.hero::before{
  content:"";position:absolute;top:-180px;right:-140px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(182,233,75,.18) 0%,rgba(18,168,140,.12) 45%,rgba(18,168,140,0) 70%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(11,110,95,0) 0%,rgba(18,168,140,.55) 35%,rgba(182,233,75,.7) 65%,rgba(11,110,95,0) 100%);
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  background:var(--tint);color:var(--brand-700);font-size:13px;font-weight:600;
}
.pill i{font-size:12px}
.hero-title{margin-top:18px;font-size:32px;font-weight:800;color:var(--ink-900)}
.hero-sub{margin-top:18px;font-size:16px;color:var(--ink-600);line-height:1.85;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-note{margin-top:16px;font-size:13px;color:var(--ink-600)}
.hero-note i{color:var(--brand-500);margin-right:6px}
.stat-row{
  margin-top:30px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;
  padding-top:24px;border-top:1px dashed var(--line);
}
.stat-item{display:flex;flex-direction:column;gap:2px}
.stat-num{font-size:26px;font-weight:800;letter-spacing:-0.02em;font-variant-numeric:tabular-nums;color:var(--brand-700)}
.stat-num span{font-size:14px;font-weight:600;margin-left:2px;color:var(--brand-500)}
.stat-label{font-size:12px;color:var(--ink-600)}
.hero-media{position:relative}
.hero-img{
  width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:28px;
  border:1px solid var(--line);box-shadow:var(--shadow-2);
}
.float-card{
  position:absolute;right:14px;bottom:18px;
  background:var(--grad-brand);color:#fff;border-radius:20px;
  padding:16px 18px;min-width:172px;box-shadow:var(--shadow-3);
}
.float-card b{display:block;font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2}
.float-card span{font-size:12px;opacity:.92}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
.section-alt{background:#fff}
.section-head{display:flex;flex-direction:column;gap:12px;margin-bottom:34px}
.section-head h2{font-size:26px;font-weight:800;color:var(--ink-900)}
.section-head p{font-size:15px;color:var(--ink-600);max-width:680px}
.section-head .head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.link-more{font-size:14px;font-weight:600;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--brand-500)}
.link-more i{font-size:12px;transition:transform .18s ease}
.link-more:hover i{transform:translateX(3px)}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-300)}
.card-pad{padding:24px 26px}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  background:var(--tint);color:var(--brand-700);font-size:12px;font-weight:600;
}
.badge-outline{background:transparent;border:1px solid var(--line);color:var(--ink-600)}
.thumb{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:16px;box-shadow:inset 0 0 0 1px rgba(11,110,95,.08)}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 三步 ---------- */
.steps-grid{display:grid;grid-template-columns:1fr;gap:22px;position:relative}
.step-card{position:relative;padding:28px 26px}
.step-num{
  font-size:30px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-0.03em;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1;
}
.step-card h3{margin-top:16px;font-size:20px;font-weight:700}
.step-card p{margin-top:10px;font-size:14px;color:var(--ink-600)}
.step-card .step-tag{margin-top:16px;display:inline-flex}

/* ---------- 案例拼贴 ---------- */
.case-grid{display:grid;grid-template-columns:1fr;gap:22px}
.case-main{padding:0;overflow:hidden}
.case-main .thumb{border-radius:0;aspect-ratio:16/9}
.case-main-body{padding:26px 26px 28px}
.case-main-body h3{font-size:21px;font-weight:700;margin-top:14px}
.case-main-body p{margin-top:12px;font-size:14px;color:var(--ink-600)}
.result-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.result-chip{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  padding:7px 13px;border-radius:999px;border:1px solid var(--brand-300);color:var(--brand-700);background:#F7FBF9;
}
.result-chip i{font-size:12px;color:var(--brand-500)}
.case-side{display:grid;grid-template-columns:1fr;gap:22px}
.case-mini{padding:22px 22px 24px}
.case-mini img{aspect-ratio:16/9;border-radius:14px;object-fit:cover}
.case-mini h4{margin-top:16px;font-size:17px;font-weight:700}
.case-mini p{margin-top:8px;font-size:14px;color:var(--ink-600)}
.data-band{
  margin-top:24px;border-radius:26px;background:var(--dark);color:#fff;
  padding:26px 28px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;
}
.data-band .num{font-size:28px;font-weight:800;color:var(--lime-400);font-variant-numeric:tabular-nums;line-height:1.2}
.data-band .lab{font-size:12px;color:rgba(255,255,255,.7);margin-top:4px}

/* ---------- 分类入口 ---------- */
.cat-grid{display:grid;grid-template-columns:1fr;gap:22px}
.cat-card{display:flex;flex-direction:column;padding:0;overflow:hidden}
.cat-card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.cat-card-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}
.cat-card-body h3{font-size:20px;font-weight:700;margin-top:14px}
.cat-card-body p{margin-top:10px;font-size:14px;color:var(--ink-600);flex:1}
.cat-card-body .cat-link{margin-top:18px;font-size:14px;font-weight:600;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px}
.cat-card:hover .cat-link{color:var(--brand-500)}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:22px}
.news-feature{padding:0;overflow:hidden;display:flex;flex-direction:column}
.news-feature img{aspect-ratio:16/9;width:100%;object-fit:cover}
.news-feature-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}
.news-feature-body h3{margin-top:14px;font-size:20px;font-weight:700}
.news-feature-body p{margin-top:10px;font-size:14px;color:var(--ink-600)}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--ink-600);margin-top:16px}
.news-list{display:flex;flex-direction:column}
.news-row{
  display:flex;align-items:center;gap:16px;padding:14px 6px;border-bottom:1px solid var(--line);
  border-radius:12px;transition:background-color .18s ease;
}
.news-row:last-child{border-bottom:0}
.news-row:hover{background:#F7FBF9}
.news-row:hover .news-title{color:var(--brand-700)}
.news-row img{width:80px;height:80px;flex:0 0 80px;object-fit:cover;border-radius:12px}
.news-row .news-title{font-size:15px;font-weight:600;line-height:1.5}
.news-row .news-sub{font-size:12px;color:var(--ink-600);margin-top:6px;display:flex;gap:10px;flex-wrap:wrap}
.cms-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:54px 24px;text-align:center;border:1px dashed var(--line);border-radius:24px;background:#fff;
}
.cms-empty i{font-size:26px;color:var(--brand-300)}
.cms-empty p{font-size:15px;color:var(--ink-600)}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr;gap:28px}
.faq-aside h2{font-size:26px;font-weight:800}
.faq-aside p{margin-top:14px;font-size:14px;color:var(--ink-600);max-width:320px}
.faq-aside .btn{margin-top:22px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item:hover{border-color:var(--brand-300);box-shadow:var(--shadow-1)}
.faq-item.open{border-color:var(--brand-300);box-shadow:var(--shadow-1);background:#F7FBF9}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;text-align:left;color:var(--ink-900);position:relative;
}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--grad-brand);
}
.faq-q i{font-size:13px;color:var(--brand-500);transition:transform .2s ease;flex:0 0 auto}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 22px 20px 22px;font-size:15px;color:var(--ink-600);line-height:1.85}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:32px;background:var(--dark);color:#fff;
  padding:34px 28px;display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
}
.cta-card::before{
  content:"";position:absolute;inset:0;background:var(--grad-brand);opacity:.3;pointer-events:none;
}
.cta-card::after{
  content:"";position:absolute;top:-120px;right:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(182,233,75,.35) 0%,rgba(182,233,75,0) 70%);pointer-events:none;
}
.cta-inner{position:relative;z-index:1}
.cta-inner h2{font-size:26px;font-weight:800;color:#fff}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.86);max-width:560px}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px}
.cta-foot{position:relative;z-index:1;margin-top:18px;font-size:13px;color:rgba(255,255,255,.72)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.82);padding:56px 0 24px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
.footer-brand .logo-text{color:#fff;font-size:18px}
.footer-brand .logo-text small{color:rgba(255,255,255,.55)}
.footer-brand p{margin-top:16px;font-size:13px;color:rgba(255,255,255,.68);max-width:300px}
.footer-social{display:flex;gap:12px;margin-top:18px}
.footer-social a{
  width:38px;height:38px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;color:var(--brand-300);font-size:14px;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.footer-social a:hover{background:rgba(182,233,75,.12);color:var(--lime-400);border-color:rgba(182,233,75,.5)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.78);transition:color .18s ease}
.footer-col a:hover{color:var(--lime-400)}
.footer-col .plain{font-size:14px;color:rgba(255,255,255,.68)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-direction:column;gap:10px;font-size:12.5px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:var(--brand-300)}
.footer-bottom a:hover{color:var(--lime-400)}

@media (min-width:640px){
  .hero{padding:72px 0 56px}
  .hero-title{font-size:38px}
  .section{padding:72px 0}
  .section-head h2{font-size:28px}
  .steps-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .data-band{grid-template-columns:repeat(4,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-card{padding:44px 40px;grid-template-columns:1.4fr 1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-bottom{flex-direction:row;justify-content:space-between;align-items:center}
}
@media (min-width:768px){
  .case-side{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-row{grid-template-columns:repeat(4,minmax(0,1fr))}
  .faq-grid{grid-template-columns:1fr 2fr}
}
@media (min-width:1024px){
  .wrap{padding:0 28px}
  .main-nav{display:flex}
  .menu-btn{display:none}
  .header-inner{height:72px}
  .hero{padding:84px 0 76px}
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}
  .hero-title{font-size:46px}
  .hero-img{aspect-ratio:1/1}
  .section{padding:88px 0}
  .section-head h2{font-size:32px}
  .case-grid{grid-template-columns:7fr 5fr}
  .case-side{grid-template-columns:1fr}
  .news-grid{grid-template-columns:7fr 5fr}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
  .cta-inner h2{font-size:30px}
}
@media (min-width:1280px){
  .hero-title{font-size:50px}
  .section{padding:96px 0}
  .hero-sub{font-size:17px}
}
@media (max-width:639px){
  .logo-text{font-size:16px}
  .logo-text small{display:none}
  .logo-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px}
  .hero-cta .btn{flex:1 1 180px}
  .cta-actions .btn{flex:1 1 100%}
  .footer-brand p{max-width:none}
}

/* roulang page: article */
:root{
  --brand-900:#06372F;--brand-700:#0B6E5F;--brand-500:#12A88C;--brand-300:#6FD9C0;
  --lime-400:#B6E94B;--accent-500:#FF7A29;
  --ink-900:#0F211D;--ink-600:#51645F;--line:#E3EAE4;--bg:#F4F7F3;--surface:#FFFFFF;--dark:#0B1F1B;
  --grad-brand:linear-gradient(120deg,#0B6E5F 0%,#12A88C 55%,#B6E94B 100%);
  --sh-1:0 8px 24px rgba(11,110,95,.07);
  --sh-2:0 18px 40px rgba(11,110,95,.14);
  --sh-3:0 24px 60px rgba(11,110,95,.18);
  --r-card:24px;--r-img:16px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--bg);color:var(--ink-900);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  font-variant-numeric:tabular-nums;
}
body::before{
  content:"";position:fixed;top:-180px;right:-160px;width:640px;height:640px;pointer-events:none;z-index:0;
  background:radial-gradient(circle,rgba(182,233,75,.16) 0%,rgba(182,233,75,0) 68%);
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.02em;color:var(--ink-900);}
p{margin:0;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--surface);
  border-bottom:1px solid transparent;transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(11,110,95,.10);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;min-width:0;}
.logo-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad-brand);box-shadow:0 6px 16px rgba(11,110,95,.24);
}
.logo-mark svg{width:24px;height:24px;}
.logo-text{
  display:flex;flex-direction:column;font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900);
  line-height:1.15;white-space:nowrap;
}
.logo-text small{font-size:11.5px;font-weight:500;color:var(--ink-600);letter-spacing:0;margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:32px;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--ink-900);padding:6px 0;transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:3px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand-700);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-700);background:#E8F5F1;border-radius:999px;padding:7px 16px;}
.nav-link.active::after{display:none;}
.nav-cta{display:none;}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;background:var(--surface);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:.2s;}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-mask{position:fixed;inset:0;background:rgba(6,55,47,.42);opacity:0;visibility:hidden;transition:.2s;z-index:70;}
.nav-mask.show{opacity:1;visibility:visible;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15.5px;font-weight:600;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-sm{height:42px;padding:0 20px;font-size:15px;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(11,110,95,.22);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(1.03);}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 8px 20px rgba(255,122,41,.26);}
.btn-accent:hover{transform:translateY(-1px);box-shadow:0 16px 34px rgba(255,122,41,.32);filter:brightness(1.03);}
.btn-outline{background:transparent;border:1px solid var(--line);color:var(--ink-900);}
.btn-outline:hover{background:#E8F5F1;border-color:var(--brand-300);color:var(--brand-700);}
.btn-ghost-light{background:transparent;border:1px solid rgba(255,255,255,.5);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ===== 徽章 / 标签 ===== */
.chip{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  background:#E8F5F1;color:var(--brand-700);font-size:12.5px;font-weight:600;letter-spacing:.01em;
}
.chip-outline{background:transparent;border:1px solid var(--line);color:var(--ink-600);}
.dot-sep{width:4px;height:4px;border-radius:50%;background:var(--brand-300);display:inline-block;}

/* ===== 面包屑 ===== */
.breadcrumb{margin:24px 0 0;font-size:13px;color:var(--ink-600);display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow:hidden;}
.breadcrumb a{color:var(--ink-600);transition:color .18s;}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb .sep{color:var(--brand-300);}
.breadcrumb .current{color:var(--ink-900);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

/* ===== 文章头 ===== */
.article-head{padding:26px 0 0;}
.article-head h1{
  font-size:38px;line-height:1.28;margin:16px 0 0;max-width:20em;font-weight:800;letter-spacing:-.02em;
}
.article-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:18px;
  font-size:13px;color:var(--ink-600);
}
.grad-rule{height:1px;width:120px;margin:26px 0 0;background:var(--grad-brand);border-radius:2px;}

/* ===== 文章主体布局 ===== */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;
  padding:40px 0 0;align-items:start;
}
.article-body{font-size:17px;line-height:1.95;color:#20362F;max-width:780px;}
.article-body>*+*{margin-top:22px;}
.article-body p{margin:0 0 22px;color:#2C423B;}
.article-body h2{
  position:relative;font-size:26px;font-weight:800;letter-spacing:-.02em;color:var(--ink-900);
  margin:44px 0 18px;padding-left:16px;line-height:1.35;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--grad-brand);
}
.article-body h3{font-size:20px;font-weight:700;color:var(--ink-900);margin:32px 0 14px;}
.article-body h4{font-size:17.5px;font-weight:700;color:var(--brand-700);margin:24px 0 12px;}
.article-body a{color:var(--brand-700);font-weight:600;border-bottom:1px solid var(--brand-300);}
.article-body a:hover{color:var(--brand-500);}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:4px;}
.article-body li{position:relative;padding-left:22px;margin:10px 0;line-height:1.9;color:#2C423B;}
.article-body ul>li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brand-500);
}
.article-body ol{counter-reset:li;}
.article-body ol>li{counter-increment:li;}
.article-body ol>li::before{
  content:counter(li);position:absolute;left:0;top:.1em;width:20px;height:20px;border-radius:6px;
  background:#E8F5F1;color:var(--brand-700);font-size:12px;font-weight:800;display:grid;place-items:center;line-height:1;
}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;background:#F7FBF9;border-left:4px solid var(--brand-500);
  border-radius:0 16px 16px 0;color:var(--ink-600);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:26px 0;box-shadow:var(--sh-1);}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;border:1px solid var(--line);border-radius:14px;overflow:hidden;}
.article-body th{background:#E8F5F1;color:var(--brand-900);font-weight:700;text-align:left;padding:12px 16px;}
.article-body td{padding:12px 16px;border-top:1px solid var(--line);color:#2C423B;}
.article-body tbody tr:nth-child(even){background:#FAFCFA;}
.article-body code{background:#F1F5F1;padding:2px 7px;border-radius:6px;font-size:15px;color:var(--brand-700);}
.article-body hr{border:0;height:1px;background:var(--grad-brand);margin:34px 0;opacity:.7;}

/* ===== 侧栏 ===== */
.article-side{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);}
.side-card h3{font-size:15px;font-weight:800;color:var(--ink-900);display:flex;align-items:center;gap:8px;margin-bottom:16px;}
.side-card h3 i{color:var(--brand-500);}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:320px;overflow:auto;}
.toc-item a{
  display:block;padding:8px 10px 8px 14px;font-size:14px;color:var(--ink-600);border-radius:10px;
  border-left:3px solid transparent;transition:.18s;line-height:1.5;
}
.toc-item a:hover{background:#F7FBF9;color:var(--brand-700);}
.toc-item a.is-active{background:#E8F5F1;color:var(--brand-700);font-weight:700;border-left-color:var(--brand-500);}
.toc-item.toc-h3 a{padding-left:26px;font-size:13.5px;}
.rel-list{display:flex;flex-direction:column;}
.rel-list li{border-bottom:1px solid var(--line);}
.rel-list li:last-child{border-bottom:0;}
.rel-list a{display:block;padding:12px 0;font-size:14.5px;font-weight:600;color:var(--ink-900);line-height:1.55;transition:.18s;}
.rel-list a:hover{color:var(--brand-700);}
.rel-list span{display:block;font-size:12.5px;font-weight:400;color:var(--ink-600);margin-top:4px;}
.side-card .btn{width:100%;}
.side-note{font-size:13px;color:var(--ink-600);line-height:1.8;margin-top:12px;}

/* ===== 空态 ===== */
.empty-state{
  max-width:780px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 32px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state .icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;display:grid;place-items:center;
  background:linear-gradient(140deg,#E8F5F1,#F4F7F3);color:var(--brand-500);font-size:24px;
}
.empty-state p{font-size:16px;color:var(--ink-600);margin-bottom:22px;}

/* ===== 继续阅读 ===== */
.read-more{padding:64px 0 0;}
.dual-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:22px;}
.dual-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;display:block;
}
.dual-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300);}
.dual-card .dir{font-size:12.5px;font-weight:700;color:var(--brand-500);letter-spacing:.04em;}
.dual-card h3{font-size:18px;font-weight:700;margin:12px 0 8px;line-height:1.5;}
.dual-card p{font-size:14px;color:var(--ink-600);line-height:1.8;}
.dual-card.next{text-align:right;}

/* ===== CTA ===== */
.cta-band{padding:72px 0 0;}
.cta-card{
  position:relative;overflow:hidden;border-radius:32px;background:var(--dark);color:#fff;
  padding:44px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-card::after{
  content:"";position:absolute;inset:0;background:var(--grad-brand);opacity:.3;pointer-events:none;
}
.cta-card::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(182,233,75,.32),rgba(182,233,75,0) 70%);pointer-events:none;
}
.cta-card>*{position:relative;z-index:2;}
.cta-card h2{color:#fff;font-size:28px;font-weight:800;}
.cta-card p{color:rgba(255,255,255,.82);font-size:15px;margin-top:12px;max-width:46em;line-height:1.8;}
.cta-actions{display:flex;gap:14px;flex-shrink:0;}
.cta-note{margin-top:14px;font-size:13px;color:var(--ink-600);}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:#fff;margin-top:88px;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo{display:flex;align-items:center;gap:12px;}
.footer-brand .logo-mark{width:44px;height:44px;flex:0 0 44px;border-radius:14px;display:grid;place-items:center;background:var(--grad-brand);}
.footer-brand .logo-mark svg{width:24px;height:24px;}
.footer-brand .logo-text{color:#fff;font-size:19px;font-weight:800;display:flex;flex-direction:column;line-height:1.15;letter-spacing:-.01em;}
.footer-brand .logo-text small{font-size:11.5px;font-weight:500;color:var(--brand-300);margin-top:3px;letter-spacing:0;}
.footer-brand p{color:var(--brand-300);font-size:14px;line-height:1.85;margin-top:18px;max-width:32em;}
.footer-social{display:flex;gap:12px;margin-top:20px;}
.footer-social a{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.16);color:var(--brand-300);transition:.18s;
}
.footer-social a:hover{color:var(--lime-400);border-color:var(--lime-400);background:rgba(182,233,75,.08);}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin:6px 0 18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{color:var(--brand-300);font-size:14px;transition:.18s;}
.footer-col a:hover{color:var(--lime-400);}
.footer-col .plain{color:var(--brand-300);font-size:14px;line-height:1.7;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.12);padding-top:22px;padding-bottom:26px;
  color:rgba(255,255,255,.56);font-size:12.5px;
}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .header-inner{height:60px;}
  .main-nav{
    position:fixed;top:0;right:-340px;width:320px;max-width:88vw;height:100vh;background:var(--surface);
    flex-direction:column;align-items:stretch;gap:0;padding:84px 24px 32px;box-shadow:var(--sh-3);
    transition:right .22s ease-out;z-index:75;overflow-y:auto;
  }
  .main-nav.open{right:0;}
  .main-nav .nav-link{
    padding:15px 0;border-bottom:1px solid var(--line);border-radius:0;font-size:16px;background:none;
  }
  .main-nav .nav-link::after{display:none;}
  .main-nav .nav-link.active{background:none;color:var(--brand-700);padding:15px 0;}
  .nav-cta{display:inline-flex;margin-top:26px;width:100%;}
  .nav-toggle{display:flex;}
  .header-actions .btn-accent{display:none;}
  .logo-text{font-size:17px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:28px;}
  .article-body{max-width:none;}
  .article-side{position:static;margin-top:48px;}
  .article-side .toc-card{display:none;}
  .article-head h1{font-size:30px;}
  .article-body h2{font-size:22px;margin-top:36px;}
  .article-body h3{font-size:18.5px;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:34px 28px;}
  .cta-card h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .dual-grid{grid-template-columns:1fr;}
  .dual-card.next{text-align:left;}
}
@media (max-width:639px){
  .wrap{padding:0 16px;}
  .logo-text small{display:none;}
  .breadcrumb{margin-top:16px;}
  .article-head h1{font-size:26px;}
  .article-body{font-size:16px;line-height:1.9;}
  .article-meta{font-size:12.5px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .empty-state{padding:40px 20px;}
}

/* roulang page: category1 */
:root{
    --brand-900:#06372F;
    --brand-700:#0B6E5F;
    --brand-500:#12A88C;
    --brand-300:#6FD9C0;
    --lime-400:#B6E94B;
    --accent-500:#FF7A29;
    --ink-900:#0F211D;
    --ink-600:#51645F;
    --line:#E3EAE4;
    --bg:#F4F7F3;
    --surface:#FFFFFF;
    --dark:#0B1F1B;
    --grad-brand:linear-gradient(120deg,#0B6E5F 0%,#12A88C 55%,#B6E94B 100%);
    --sh-1:0 8px 24px rgba(11,110,95,.07);
    --sh-2:0 18px 40px rgba(11,110,95,.14);
    --sh-3:0 24px 60px rgba(11,110,95,.18);
    --r-card:22px;
    --r-lg:28px;
    --r-sm:14px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{margin:0;padding:0}
  .site-body{
    font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    background:var(--bg);
    color:var(--ink-900);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  .site-body.no-scroll{overflow:hidden}
  img{max-width:100%;display:block;border:0}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit;font-size:inherit}
  ul{list-style:none}
  h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.02em}
  .num{font-variant-numeric:tabular-nums}

  .page-glow{
    position:fixed;top:-180px;right:-160px;width:640px;height:640px;border-radius:50%;
    background:radial-gradient(circle,rgba(182,233,75,.18),rgba(182,233,75,0) 68%);
    pointer-events:none;z-index:0;
  }

  .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}

  /* ---------- header / nav ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;background:rgba(255,255,255,.97);
    border-bottom:1px solid var(--line);transition:box-shadow .2s ease,background-color .2s ease;
  }
  .site-header.scrolled{box-shadow:0 10px 30px rgba(11,110,95,.10)}
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
  .logo{display:flex;align-items:center;gap:10px}
  .logo-mark{
    width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
    display:grid;place-items:center;box-shadow:var(--sh-1);flex:0 0 auto;
  }
  .logo-mark svg{width:22px;height:22px}
  .logo-text{
    display:flex;flex-direction:column;font-size:19px;font-weight:800;
    letter-spacing:-.01em;color:var(--ink-900);line-height:1.16;
  }
  .logo-text small{font-size:11px;font-weight:500;color:var(--ink-600);letter-spacing:0;margin-top:2px}
  .main-nav{display:flex;align-items:center;gap:30px}
  .nav-link{
    position:relative;font-size:15px;color:var(--ink-600);padding:8px 2px;
    border-radius:999px;transition:color .18s ease,background-color .18s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;
    background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
  }
  .nav-link:hover{color:var(--brand-700)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.active{color:var(--brand-700);background:#E8F5F1;padding:8px 14px;font-weight:600}
  .nav-link.active::after{display:none}
  .header-cta{display:flex;align-items:center;gap:12px}
  .nav-toggle{
    display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
    background:#fff;color:var(--ink-900);align-items:center;justify-content:center;cursor:pointer;
    transition:border-color .18s ease,color .18s ease;
  }
  .nav-toggle:hover{border-color:var(--brand-300);color:var(--brand-700)}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
    font-size:15.5px;font-weight:600;cursor:pointer;white-space:nowrap;
    transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,
               color .18s ease,border-color .18s ease,filter .18s ease;
  }
  .btn:hover{transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(1.03)}
  .btn:active{transform:translateY(1px);box-shadow:var(--sh-1)}
  .btn:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
  .btn-primary{background:var(--grad-brand);color:#fff}
  .btn-accent{background:var(--accent-500);color:#fff}
  .btn-outline{background:transparent;border-color:var(--line);color:var(--ink-900)}
  .btn-outline:hover{background:#E8F5F1;border-color:var(--brand-300)}
  .btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
  .btn-ghost-light:hover{background:rgba(255,255,255,.12)}
  .btn-sm{height:42px;padding:0 20px;font-size:14.5px}

  /* ---------- breadcrumb ---------- */
  .crumb-wrap{padding-top:22px}
  .crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-600)}
  .crumb a{color:var(--ink-600);transition:color .18s ease}
  .crumb a:hover{color:var(--brand-700)}
  .crumb .sep{color:#B7C4BF}
  .crumb .current{color:var(--brand-700);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

  /* ---------- page head ---------- */
  .page-head{padding:26px 24px 44px;max-width:1000px}
  .pill{
    display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;
    background:#E8F5F1;color:var(--brand-700);font-size:12.5px;font-weight:600;
  }
  .page-head h1{
    margin:18px 0 16px;font-size:clamp(27px,3.4vw,40px);font-weight:800;line-height:1.24;letter-spacing:-.02em;
  }
  .lead{font-size:17px;line-height:1.85;color:var(--ink-600);margin:0 0 16px;max-width:780px}
  .meta-line{font-size:13px;color:var(--ink-600);margin:0}

  /* ---------- layout ---------- */
  .layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:56px;align-items:start;padding-bottom:24px}
  .side-nav{
    position:sticky;top:96px;align-self:start;background:var(--surface);
    border:1px solid var(--line);border-radius:20px;padding:20px 14px;box-shadow:var(--sh-1);
  }
  .side-title{font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--ink-600);margin:0 0 12px;padding-left:12px}
  .side-link{
    display:block;position:relative;font-size:15px;color:var(--ink-600);
    padding:10px 12px;border-radius:12px;transition:background-color .18s ease,color .18s ease;
  }
  .side-link:hover{background:#F7FBF9;color:var(--brand-700)}
  .side-link.active{background:#E8F5F1;color:var(--brand-700);font-weight:600}
  .side-link.active::before{
    content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:3px;background:var(--grad-brand);
  }

  /* ---------- document content ---------- */
  .doc-section{margin-bottom:64px;scroll-margin-top:104px}
  .sec-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
  .sec-bar{width:6px;height:26px;border-radius:4px;background:var(--grad-brand);flex:0 0 auto}
  .sec-title{font-size:clamp(22px,2.2vw,27px);font-weight:800}
  .doc-p{font-size:16.5px;line-height:1.9;color:var(--ink-600);margin:0 0 22px}
  .doc-p:last-child{margin-bottom:0}

  .point-list{display:grid;gap:12px;margin:0;padding:0}
  .point-list li{
    position:relative;padding:14px 20px 14px 44px;background:var(--surface);
    border:1px solid var(--line);border-radius:16px;font-size:15.5px;line-height:1.75;color:var(--ink-600);
    transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  }
  .point-list li::before{
    content:"";position:absolute;left:20px;top:23px;width:8px;height:8px;border-radius:50%;background:var(--brand-500);
  }
  .point-list li:hover{transform:translateY(-2px);box-shadow:var(--sh-1);border-color:var(--brand-300)}

  .figure-card{
    position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--line);
    box-shadow:var(--sh-1);margin-bottom:24px;background:var(--bg);
  }
  .figure-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
  .figure-card::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(11,31,27,0) 45%,rgba(11,31,27,.55) 100%);
  }
  .figure-cap{
    position:absolute;left:20px;bottom:20px;z-index:1;background:rgba(11,31,27,.78);
    color:#fff;font-size:13.5px;padding:8px 16px;border-radius:999px;
  }

  .step-list{display:grid;gap:16px}
  .step-card{
    display:grid;grid-template-columns:76px minmax(0,1fr);gap:20px;align-items:start;
    padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
  .step-no{
    font-size:30px;font-weight:800;line-height:1;letter-spacing:-.02em;
    background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .step-card h3{font-size:20px;margin-bottom:8px}
  .step-card p{margin:0;font-size:15.5px;line-height:1.8;color:var(--ink-600)}

  .info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .info-card{
    padding:26px 24px;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--r-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
  .info-icon{
    width:44px;height:44px;border-radius:14px;background:#E8F5F1;color:var(--brand-700);
    display:grid;place-items:center;font-size:18px;margin-bottom:16px;
  }
  .info-card h3{font-size:19px;margin-bottom:10px}
  .info-card p{margin:0;font-size:15px;line-height:1.8;color:var(--ink-600)}

  .faq-list{display:grid;gap:12px}
  .faq-item{
    background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;
    transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
  }
  .faq-item.open{background:#F7FBF9;border-color:var(--brand-300);box-shadow:var(--sh-1)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 22px;background:transparent;border:0;text-align:left;
    font-size:16.5px;font-weight:600;color:var(--ink-900);cursor:pointer;
    transition:color .18s ease;
  }
  .faq-q:hover{color:var(--brand-700)}
  .faq-item.open .faq-q{color:var(--brand-700)}
  .faq-q:focus-visible{outline:2px solid var(--accent-500);outline-offset:-2px}
  .faq-q i{color:var(--brand-500);transition:transform .2s ease;flex:0 0 auto}
  .faq-item.open .faq-q i{transform:rotate(180deg)}
  .faq-a{display:none;position:relative;padding:0 22px 22px 22px}
  .faq-a::before{
    content:"";position:absolute;left:0;top:2px;bottom:22px;width:4px;border-radius:0 4px 4px 0;background:var(--grad-brand);
  }
  .faq-item.open .faq-a{display:block}
  .faq-a p{margin:0;padding-left:20px;font-size:15px;line-height:1.85;color:var(--ink-600)}

  .btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:4px}

  /* ---------- CTA band ---------- */
  .cta-wrap{padding-bottom:88px}
  .cta-band{
    position:relative;border-radius:32px;overflow:hidden;background:var(--dark);
    padding:52px 48px;color:#fff;
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;
    background:linear-gradient(120deg,rgba(11,110,95,.9) 0%,rgba(18,168,140,.6) 55%,rgba(182,233,75,.38) 100%);
  }
  .cta-band::after{
    content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
    background:radial-gradient(circle,rgba(182,233,75,.35),rgba(182,233,75,0) 70%);
  }
  .cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
  .cta-text{max-width:560px}
  .cta-text h2{font-size:clamp(22px,2.4vw,29px);color:#fff;margin-bottom:10px}
  .cta-text p{margin:0;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.88)}
  .cta-actions{display:flex;gap:14px;flex-wrap:wrap}
  .cta-note{position:relative;z-index:1;margin:20px 0 0;font-size:13px;color:rgba(255,255,255,.72)}

  /* ---------- footer ---------- */
  .site-footer{background:var(--dark);color:#fff;padding:64px 0 0;position:relative;z-index:1}
  .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
  .footer-brand .logo-text{color:#fff}
  .footer-brand .logo-text small{color:var(--brand-300)}
  .footer-brand p{margin:18px 0 20px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:330px}
  .footer-social{display:flex;gap:12px}
  .footer-social a{
    width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
    border:1px solid rgba(255,255,255,.18);color:var(--brand-300);
    transition:color .2s ease,border-color .2s ease,transform .2s ease;
  }
  .footer-social a:hover{color:var(--lime-400);border-color:var(--lime-400);transform:translateY(-2px)}
  .footer-col h4{margin:0 0 18px;font-size:15px;color:#fff;letter-spacing:0}
  .footer-col ul{display:grid;gap:12px;margin:0;padding:0}
  .footer-col a{font-size:14.5px;color:var(--brand-300);transition:color .18s ease}
  .footer-col a:hover{color:var(--lime-400)}
  .plain{font-size:14.5px;color:rgba(255,255,255,.7)}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    border-top:1px solid rgba(255,255,255,.12);padding:22px 24px 28px;
    font-size:12.5px;color:rgba(255,255,255,.62);
  }

  /* ---------- responsive ---------- */
  @media (max-width:1023px){
    .header-inner{height:60px}
    .nav-toggle{display:inline-flex}
    .main-nav{
      position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;background:#fff;
      flex-direction:column;align-items:stretch;gap:0;padding:78px 20px 24px;
      transform:translateX(105%);transition:transform .22s ease-out;
      box-shadow:var(--sh-3);z-index:70;overflow-y:auto;
    }
    .main-nav.open{transform:translateX(0)}
    .nav-link{font-size:16px;padding:15px 6px;border-bottom:1px solid var(--line);border-radius:0}
    .nav-link::after{display:none}
    .nav-link.active{background:transparent;color:var(--brand-700);padding-left:14px;border-left:3px solid var(--brand-500)}
    .header-cta{
      position:fixed;right:20px;bottom:26px;width:280px;max-width:80vw;z-index:80;
      opacity:0;pointer-events:none;transition:opacity .2s ease-out;
    }
    .header-cta.show{opacity:1;pointer-events:auto}
    .header-cta .btn{width:100%}

    .layout{grid-template-columns:1fr;gap:28px}
    .side-nav{
      top:68px;display:flex;gap:10px;overflow-x:auto;padding:10px 12px;
      border-radius:16px;background:rgba(255,255,255,.97);scrollbar-width:none;
    }
    .side-nav::-webkit-scrollbar{display:none}
    .side-title{display:none}
    .side-link{white-space:nowrap;padding:8px 16px;border-radius:999px;border:1px solid var(--line);font-size:14px}
    .side-link.active::before{display:none}
    .page-head{padding:22px 24px 34px}
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  }

  @media (max-width:767px){
    .wrap{padding:0 16px}
    .page-head{padding:20px 16px 30px}
    .lead{font-size:16px}
    .doc-section{margin-bottom:52px;scroll-margin-top:132px}
    .info-grid{grid-template-columns:1fr}
    .step-card{grid-template-columns:56px minmax(0,1fr);gap:14px;padding:20px}
    .step-no{font-size:24px}
    .figure-cap{left:14px;bottom:14px;font-size:12.5px;padding:6px 12px}
    .cta-band{padding:34px 24px;border-radius:26px}
    .cta-actions{width:100%}
    .cta-actions .btn{flex:1 1 auto}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
    .footer-brand{grid-column:1 / -1}
    .footer-bottom{padding:20px 16px 26px}
  }

  @media (max-width:519px){
    .point-list li{padding:14px 16px 14px 40px;font-size:15px}
    .point-list li::before{left:17px;top:22px}
    .info-card{padding:22px 20px}
    .step-card{grid-template-columns:1fr}
    .btn{height:46px;padding:0 20px;font-size:15px}
    .footer-grid{grid-template-columns:1fr}
    .btn-row .btn{width:100%}
  }

/* roulang page: category2 */
:root{
  --brand-900:#06372F;
  --brand-700:#0B6E5F;
  --brand-500:#12A88C;
  --brand-300:#6FD9C0;
  --lime-400:#B6E94B;
  --accent-500:#FF7A29;
  --ink-900:#0F211D;
  --ink-600:#51645F;
  --line:#E3EAE4;
  --bg:#F4F7F3;
  --surface:#FFFFFF;
  --dark:#0B1F1B;
  --grad-brand:linear-gradient(120deg,#0B6E5F 0%,#12A88C 55%,#B6E94B 100%);
  --sh-1:0 8px 24px rgba(11,110,95,.07);
  --sh-2:0 18px 40px rgba(11,110,95,.14);
  --sh-3:0 24px 60px rgba(11,110,95,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body.site-body{
  margin:0;
  padding:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background-color:var(--bg);
  background-image:radial-gradient(640px 640px at 100% 0,rgba(182,233,75,.16),transparent 70%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0}
ul{list-style:none;margin:0;padding:0}
p{margin:0}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid transparent;transition:background .25s,box-shadow .25s,border-color .25s}
.site-header.is-scrolled{background:#FFFFFF;box-shadow:0 6px 22px rgba(11,110,95,.09);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);display:grid;place-items:center;box-shadow:0 6px 16px rgba(11,110,95,.25);flex-shrink:0}
.logo-mark svg{width:22px;height:22px}
.logo-text{display:flex;flex-direction:column;font-size:19px;font-weight:800;letter-spacing:-.01em;line-height:1.15;color:var(--ink-900)}
.logo-text small{font-size:11px;font-weight:500;letter-spacing:0;color:var(--ink-600)}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--ink-600);padding:6px 2px;transition:color .2s}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:3px;border-radius:3px;background:var(--grad-brand);opacity:0;transform:scaleX(.4);transition:opacity .2s,transform .2s}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after{opacity:1;transform:scaleX(1)}
.nav-link.active{color:var(--brand-700);background:#E8F5F1;border-radius:999px;padding:6px 14px}
.nav-link.active::after{display:none}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:26px}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .2s,opacity .2s}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;transition:transform .18s,box-shadow .18s,background .18s,color .18s,border-color .18s,filter .18s}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(11,110,95,.22)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 34px rgba(11,110,95,.28);filter:brightness(1.03)}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 10px 24px rgba(255,122,41,.26)}
.btn-accent:hover{transform:translateY(-1px);box-shadow:0 16px 34px rgba(255,122,41,.3)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink-900)}
.btn-outline:hover{background:#E8F5F1;border-color:var(--brand-300);color:var(--brand-700);transform:translateY(-1px)}
.btn-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;top:0;right:0;z-index:80;width:320px;max-width:86vw;height:100%;background:#fff;box-shadow:var(--sh-3);padding:24px;display:flex;flex-direction:column;transform:translateX(102%);transition:transform .2s ease-out}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:36px;height:36px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink-900)}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px}
.drawer-link{display:flex;align-items:center;height:48px;border-bottom:1px solid var(--line);font-size:15px;font-weight:600;color:var(--ink-900)}
.drawer-link.active{color:var(--brand-700)}
.drawer-foot{margin-top:auto}
.drawer-mask{position:fixed;inset:0;z-index:70;background:rgba(11,31,27,.45);opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s}
.drawer-mask.show{opacity:1;visibility:visible}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-600);padding-top:24px}
.crumbs a:hover{color:var(--brand-700)}
.crumbs .sep{color:#B4C2BD}
.crumbs .current{color:var(--ink-900);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:62%}

/* ---------- 顶部横幅 ---------- */
.page-hero{position:relative;margin-top:20px;padding:46px 44px 58px;border-radius:28px;overflow:hidden;background:var(--dark);color:#fff;isolation:isolate;min-height:240px;display:flex;flex-direction:column;justify-content:center}
.page-hero::before{content:"";position:absolute;inset:0;z-index:-2;background-image:linear-gradient(104deg,rgba(6,55,47,.95) 8%,rgba(11,110,95,.86) 52%,rgba(18,168,140,.66) 100%),url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center}
.page-hero::after{content:"";position:absolute;right:-130px;top:-150px;width:520px;height:520px;border-radius:50%;z-index:-1;background:radial-gradient(circle,rgba(182,233,75,.34),transparent 68%)}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;height:28px;padding:0 14px;border-radius:999px;border:1px solid rgba(182,233,75,.6);color:var(--lime-400);font-size:12.5px;font-weight:700;letter-spacing:.02em}
.page-hero h1{margin:16px 0 0;max-width:780px;font-size:40px;line-height:1.28;letter-spacing:-.02em;font-weight:800;color:#fff}
.page-hero p{margin:16px 0 0;max-width:660px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.85)}
.hero-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.6);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.hero-note i{color:var(--lime-400)}

/* ---------- 筛选条 ---------- */
.filter-shell{position:relative;z-index:5;margin-top:-30px}
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:12px;background:#fff;border:1px solid var(--line);border-radius:999px;box-shadow:var(--sh-2);max-width:1000px}
.chip{display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;font-size:14px;font-weight:600;color:var(--ink-600);background:#F1F6F3;transition:background .18s,color .18s,transform .18s}
.chip:hover{background:#E8F5F1;color:var(--brand-700);transform:translateY(-1px)}
.chip.active{background:var(--grad-brand);color:#fff}
.filter-bar .btn{margin-left:auto}

/* ---------- 数据带 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:28px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden}
.stat{background:#fff;padding:22px 24px}
.stat b{display:block;font-size:32px;font-weight:800;line-height:1.1;color:var(--brand-700);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat span{display:block;margin-top:6px;font-size:12.5px;color:var(--ink-600)}

/* ---------- 通用板块 ---------- */
.section{padding-top:88px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;background:#E8F5F1;color:var(--brand-700);font-size:12.5px;font-weight:700}
.sec-head{max-width:740px}
.sec-head h2{margin:14px 0 0;font-size:30px;line-height:1.3;letter-spacing:-.02em;font-weight:800;color:var(--ink-900)}
.sec-head p{margin:14px 0 0;font-size:16px;line-height:1.85;color:var(--ink-600)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;max-width:880px;margin:46px auto 0}
.timeline::before{content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;border-radius:2px;background:linear-gradient(180deg,var(--brand-700),var(--brand-500) 55%,var(--lime-400))}
.tl-item{position:relative;padding-left:66px;padding-bottom:22px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:8px;top:24px;width:24px;height:24px;border-radius:50%;background:#fff;border:2px solid var(--brand-500);box-shadow:0 0 0 6px rgba(18,168,140,.12);display:grid;place-items:center}
.tl-dot i{display:block;width:8px;height:8px;border-radius:50%;background:var(--grad-brand)}
.tl-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px 26px;box-shadow:var(--sh-1);transition:transform .18s,box-shadow .18s,border-color .18s}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.tl-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.badge-stage{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:#E8F5F1;color:var(--brand-700);font-size:12px;font-weight:700}
.badge-num{display:inline-flex;align-items:center;justify-content:center;height:26px;min-width:30px;padding:0 10px;border-radius:999px;background:var(--grad-brand);color:#fff;font-size:12px;font-weight:800;font-variant-numeric:tabular-nums}
.badge-outline{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;border:1px solid var(--line);color:var(--ink-600);font-size:12px}
.tl-card h3{margin:0;font-size:20px;line-height:1.4;letter-spacing:-.01em;font-weight:700;color:var(--ink-900)}
.tl-card p{margin:8px 0 0;font-size:15px;line-height:1.85;color:var(--ink-600)}

/* ---------- 子主题卡 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.topic-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--sh-1);transition:transform .18s,box-shadow .18s,border-color .18s}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-300)}
.topic-card .cover{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--line)}
.topic-body{padding:24px 26px 26px}
.topic-body h3{margin:0;font-size:20px;line-height:1.4;font-weight:700;color:var(--ink-900)}
.topic-body p{margin:10px 0 0;font-size:15px;line-height:1.85;color:var(--ink-600)}
.topic-tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:#E8F5F1;color:var(--brand-700);font-size:12px;font-weight:700;margin-bottom:12px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:340px 1fr;gap:48px;margin-top:44px}
.faq-aside h2{margin:14px 0 0;font-size:28px;line-height:1.3;letter-spacing:-.02em;font-weight:800;color:var(--ink-900)}
.faq-aside p{margin:14px 0 22px;font-size:15px;line-height:1.85;color:var(--ink-600)}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:border-color .18s,background .18s}
.faq-item.open{border-color:var(--brand-300);background:#F7FBF9}
.faq-item.open::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;text-align:left;background:none;font-size:16.5px;font-weight:600;color:var(--ink-900)}
.faq-q i{color:var(--brand-700);transition:transform .2s;flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{margin:0;padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-600)}

/* ---------- CTA 带 ---------- */
.cta-band{position:relative;display:flex;align-items:center;justify-content:space-between;gap:36px;margin-top:88px;padding:46px 48px;border-radius:32px;background:var(--dark);overflow:hidden;isolation:isolate}
.cta-band::before{content:"";position:absolute;inset:0;z-index:-2;background-image:linear-gradient(120deg,#0B6E5F 0%,#12A88C 58%,#B6E94B 100%)}
.cta-band::after{content:"";position:absolute;inset:0;z-index:-1;background:rgba(11,31,27,.42)}
.cta-copy h2{margin:0;font-size:30px;line-height:1.3;letter-spacing:-.02em;font-weight:800;color:#fff}
.cta-copy p{margin:12px 0 0;max-width:560px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.86)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0}
.cta-foot{margin-top:14px;font-size:13px;color:rgba(255,255,255,.62)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:88px;background:var(--dark);color:rgba(255,255,255,.72);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text small{color:rgba(255,255,255,.55)}
.footer-brand p{margin:16px 0 0;max-width:330px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66)}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{width:38px;height:38px;border-radius:12px;border:1px solid rgba(255,255,255,.16);display:grid;place-items:center;color:var(--brand-300);transition:color .18s,border-color .18s,transform .18s}
.footer-social a:hover{color:var(--lime-400);border-color:var(--lime-400);transform:translateY(-2px)}
.footer-col h4{margin:0 0 16px;font-size:15px;font-weight:700;color:#fff}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color .18s}
.footer-col a:hover{color:var(--lime-400)}
.footer-col .plain{font-size:14px;color:rgba(255,255,255,.6)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;padding-bottom:28px;font-size:12.5px;color:rgba(255,255,255,.55)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .header-actions{margin-left:auto}
  .page-hero h1{font-size:34px}
  .topic-grid{grid-template-columns:1fr 1fr}
  .faq-wrap{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .header-inner{height:60px}
  .page-hero{padding:32px 22px 44px;border-radius:22px;min-height:0}
  .page-hero h1{font-size:30px}
  .filter-bar{border-radius:24px;padding:12px}
  .filter-bar .btn{margin-left:0;width:100%}
  .stat-strip{grid-template-columns:1fr 1fr}
  .section{padding-top:60px}
  .sec-head h2{font-size:26px}
  .timeline{margin-top:32px}
  .timeline::before{left:11px}
  .tl-item{padding-left:46px}
  .tl-dot{left:0;width:22px;height:22px;box-shadow:0 0 0 5px rgba(18,168,140,.12)}
  .tl-card{padding:20px}
  .topic-grid{grid-template-columns:1fr;gap:20px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 22px;border-radius:24px;gap:22px}
  .cta-copy h2{font-size:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px}
}
@media (max-width:520px){
  .logo-text{font-size:18px}
  .logo-text small{display:none}
  .page-hero h1{font-size:28px}
  .stat{pad</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>ding:18px}
  .stat b{font-size:26px}
}