/* roulang page: index */
:root{
  --brand-900:#0A2B22;
  --brand-700:#0B3D2E;
  --brand-500:#0F5C4A;
  --brand-300:#17866B;
  --lime-400:#B7E14B;
  --ember-500:#F2603C;
  --bg-page:#F6F4EE;
  --surface:#FFFFFF;
  --line:#E3E0D6;
  --text-900:#14231F;
  --text-600:#55635E;
  --on-dark:#CFE0D8;
  --grad:linear-gradient(135deg,#0F5C4A 0%,#17866B 52%,#B7E14B 128%);
  --grad-dark:linear-gradient(120deg,#082018 0%,#0B3D2E 46%,#0F5C4A 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 1px 2px rgba(10,43,34,.06);
  --sh-2:0 14px 34px -14px rgba(10,43,34,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-900);
  background:var(--bg-page);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-500);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand-700);}
p{margin:0 0 1.2em;}
h1,h2,h3,h4{margin:0;color:var(--text-900);font-weight:700;letter-spacing:0;}
ul,ol{margin:0 0 1.2em;padding-left:1.25em;}
li{margin-bottom:.4em;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
:focus{outline:none;}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;}
section{scroll-margin-top:80px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  height:var(--nav-h);
  background:rgba(246,244,238,.86);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-stuck{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
}
.nav-inner{
  height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;color:var(--text-900);}
.brand:hover{color:var(--text-900);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--grad);color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:800;}
.brand-text small{font-size:11px;color:var(--text-600);letter-spacing:.04em;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;
  display:inline-flex;align-items:center;
  height:38px;padding:0 12px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--text-900);
  transition:background .22s var(--ease),color .22s var(--ease);
}
.nav-links a:hover{background:rgba(15,92,74,.07);color:var(--brand-700);}
.nav-links a.active{color:var(--brand-700);font-weight:700;}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:3px;border-radius:3px;
  background:var(--lime-400);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.search-toggle{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--brand-700);display:flex;align-items:center;justify-content:center;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.search-toggle:hover{transform:translateY(-2px);box-shadow:var(--sh-1);border-color:rgba(23,134,107,.4);}
.search-toggle svg{width:18px;height:18px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:filter .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
  text-align:center;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);filter:brightness(.97);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-700);}
.btn-ghost:hover{color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(23,134,107,.45);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{min-height:38px;padding:9px 18px;font-size:14px;}
.nav-actions .btn-primary{display:inline-flex;}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--brand-700);
}
.menu-toggle span{display:block;width:16px;height:2px;background:currentColor;margin:3px auto;border-radius:2px;}
.search-panel{
  display:none;position:absolute;left:0;right:0;top:var(--nav-h);
  background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh-1);
  padding:14px 0;
}
.search-panel.is-open{display:block;}
.search-form{display:flex;gap:10px;align-items:center;}
.search-form input{
  flex:1;height:46px;border-radius:999px;border:1px solid var(--line);
  padding:0 18px;background:#fff;color:var(--text-900);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-form input:focus{border-color:var(--brand-300);box-shadow:0 0 0 4px rgba(183,225,75,.28);}
.drawer{
  position:fixed;inset:0;z-index:80;background:#fff;display:none;flex-direction:column;
  padding:20px;overflow-y:auto;
}
.drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{width:44px;height:44px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:22px;color:var(--brand-700);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  display:block;padding:16px 12px;border-radius:var(--r-md);font-size:18px;font-weight:600;color:var(--text-900);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{background:var(--bg-page);color:var(--brand-700);}
.drawer-foot{margin-top:24px;display:flex;flex-direction:column;gap:12px;}

/* ============ 倒计时条 ============ */
.countdown-bar{
  background:var(--brand-900);color:#fff;
  min-height:48px;display:flex;align-items:center;
}
.countdown-inner{
  width:100%;display:flex;align-items:center;gap:16px;flex-wrap:nowrap;overflow:hidden;
}
.cd-label{font-size:13px;color:var(--on-dark);white-space:nowrap;}
.cd-group{display:flex;align-items:center;gap:6px;}
.cd-num{
  display:inline-block;min-width:44px;padding:3px 10px;border-radius:999px;
  background:rgba(183,225,75,.14);border:1px solid rgba(183,225,75,.35);
  color:var(--lime-400);font-weight:800;font-size:16px;text-align:center;
  font-variant-numeric:tabular-nums;
}
.cd-unit{font-size:12px;color:var(--on-dark);}
.cd-link{margin-left:auto;color:var(--lime-400);font-size:13px;font-weight:600;white-space:nowrap;}
.cd-link:hover{color:#fff;text-decoration:underline;}

/* ============ Hero ============ */
.hero{padding:calc(var(--nav-h) + 24px) 0 clamp(48px,7vw,84px);}
.hero-grid{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.hero-copy{padding:clamp(28px,4vw,56px);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-700);
  background:rgba(183,225,75,.28);border:1px solid rgba(23,134,107,.25);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand-300);}
.hero h1{
  font-size:clamp(28px,4.6vw,46px);line-height:1.2;font-weight:800;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--brand-500);}
.hero-sub{font-size:17px;line-height:1.8;color:var(--text-600);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.badge{
  border:1px solid var(--line);background:#fff;border-radius:var(--r-sm);
  padding:10px 16px;min-width:118px;
}
.badge b{display:block;font-size:clamp(20px,2.6vw,28px);font-weight:800;line-height:1.1;color:var(--brand-700);font-variant-numeric:tabular-nums;}
.badge span{font-size:12px;color:var(--text-600);}
.badge.solid{background:var(--grad);border-color:transparent;}
.badge.solid b,.badge.solid span{color:#fff;}
.hero-visual{position:relative;min-height:340px;background:var(--grad-dark);}
.hero-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.hero-visual::after{
  content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(10,43,34,.62) 0%,rgba(15,92,74,.24) 58%,rgba(183,225,75,.18) 100%);
}
.hero-float{
  position:absolute;left:22px;bottom:22px;z-index:2;
  background:rgba(255,255,255,.94);border-radius:var(--r-md);
  padding:12px 18px;box-shadow:var(--sh-2);
}
.hero-float b{display:block;font-size:20px;font-weight:800;color:var(--brand-700);font-variant-numeric:tabular-nums;}
.hero-float span{font-size:12px;color:var(--text-600);}

/* ============ 通用板块 ============ */
.section{padding:clamp(56px,8vw,96px) 0;}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,3vw,32px);line-height:1.25;font-weight:700;}
.section-head p{margin:8px 0 0;color:var(--text-600);font-size:15px;max-width:620px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand-500);}
.text-link::after{content:"→";transition:transform .22s var(--ease);}
.text-link:hover::after{transform:translateX(4px);}

/* ============ Bento 卖点 ============ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
.bento-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(23,134,107,.4);}
.bento-card h3{font-size:20px;font-weight:700;margin-bottom:10px;}
.bento-card p{color:var(--text-600);font-size:15px;margin-bottom:16px;}
.bento-main{grid-column:span 7;display:flex;flex-direction:column;overflow:hidden;padding:0;}
.bento-main .media{overflow:hidden;border-radius:var(--r-lg) var(--r-lg) 0 0;}
.bento-main .media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease);}
.bento-main:hover .media img{transform:scale(1.03);}
.bento-main .body{padding:24px;}
.bento-side{grid-column:span 5;display:flex;flex-direction:column;gap:20px;}
.bento-side .bento-card{flex:1;}
.bento-stat{font-size:clamp(24px,3.2vw,40px);font-weight:800;line-height:1;color:var(--brand-700);font-variant-numeric:tabular-nums;margin-bottom:6px;}
.bento-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;padding:4px 12px;border-radius:999px;
  background:rgba(15,92,74,.08);color:var(--brand-700);border:1px solid rgba(15,92,74,.14);
}
.tag.lime{background:rgba(183,225,75,.3);border-color:rgba(23,134,107,.22);}

/* ============ 图墙 ============ */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:150px;gap:16px;grid-auto-flow:dense;}
.g-item{position:relative;border-radius:20px;overflow:hidden;background:var(--grad-dark);}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.g-item::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(10,43,34,.78) 0%,rgba(10,43,34,.12) 62%);transition:background .3s var(--ease);}
.g-item:hover::after{background:linear-gradient(to top,rgba(10,43,34,.88) 0%,rgba(10,43,34,.28) 62%);}
.g-item:hover img{transform:scale(1.04);}
.g-tag{
  position:absolute;left:14px;bottom:14px;z-index:2;
  background:rgba(255,255,255,.92);color:var(--brand-700);
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;
}
.g-wide{grid-column:span 2;}
.g-tall{grid-row:span 2;}

/* ============ CTA 表单 ============ */
.cta-band{
  background:var(--grad-dark);color:#fff;border-radius:var(--r-xl);
  padding:clamp(28px,4vw,48px);position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(183,225,75,.28) 0%,rgba(183,225,75,0) 70%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;}
.cta-copy h2{color:#fff;font-size:clamp(22px,3vw,30px);margin-bottom:12px;}
.cta-copy p{color:var(--on-dark);margin-bottom:0;font-size:15px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.cta-points span{
  font-size:12px;padding:6px 12px;border-radius:999px;
  border:1px solid rgba(207,224,216,.35);color:var(--on-dark);
}
.form-card{background:#fff;border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-2);color:var(--text-900);}
.form-card h3{font-size:18px;margin-bottom:6px;}
.form-card .form-note{font-size:13px;color:var(--text-600);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--brand-700);margin-bottom:6px;}
.field input,.field select{
  width:100%;height:46px;border-radius:var(--r-sm);border:1px solid var(--line);
  padding:0 14px;background:#fff;color:var(--text-900);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input:focus,.field select:focus{border-color:var(--brand-300);box-shadow:0 0 0 4px rgba(183,225,75,.28);}
.field .err{display:none;font-size:13px;color:var(--ember-500);margin-top:6px;}
.field.has-error input,.field.has-error select{border-color:var(--ember-500);}
.field.has-error .err{display:block;}
.form-card .btn-primary{width:100%;}
.privacy{font-size:12px;color:var(--text-600);margin:12px 0 0;text-align:center;}

/* ============ 最新信息 ============ */
.news-list{display:flex;flex-direction:column;gap:20px;}
.news-card{
  display:grid;grid-template-columns:240px 1fr;gap:22px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--sh-1);color:var(--text-900);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(23,134,107,.4);color:var(--text-900);}
.news-media{display:block;border-radius:var(--r-md);overflow:hidden;background:var(--grad-dark);}
.news-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease);}
.news-card:hover .news-media img{transform:scale(1.03);}
.news-body{display:flex;flex-direction:column;min-width:0;}
.news-top{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap;}
.pill-soft{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:999px;background:rgba(15,92,74,.08);color:var(--brand-700);
}
.news-date{font-size:13px;color:var(--text-600);font-variant-numeric:tabular-nums;}
.news-title{font-size:19px;line-height:1.45;font-weight:700;margin-bottom:8px;}
.news-title a{color:var(--text-900);}
.news-title a:hover{color:var(--brand-500);}
.news-summary{
  font-size:14.5px;color:var(--text-600);margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);padding-top:12px;
}
.news-cat{font-size:13px;color:var(--text-600);}
.news-arrow{
  width:32px;height:32px;border-radius:999px;background:rgba(15,92,74,.08);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:14px;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.news-card:hover .news-arrow{background:var(--brand-500);color:#fff;}
.empty-card{
  border:1px dashed var(--line);border-radius:var(--r-lg);background:#fff;
  padding:48px 24px;text-align:center;
}
.empty-card .icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:999px;
  background:rgba(15,92,74,.08);color:var(--brand-500);
  display:flex;align-items:center;justify-content:center;font-size:22px;
}
.empty-card p{color:var(--text-600);margin-bottom:18px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  margin-bottom:14px;overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item.is-open{border-color:rgba(23,134,107,.4);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16.5px;font-weight:700;color:var(--text-900);
}
.faq-q:hover{color:var(--brand-700);}
.faq-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:999px;
  background:rgba(15,92,74,.08);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
}
.faq-a{display:none;padding:0 24px 20px;color:var(--text-600);font-size:15.5px;line-height:1.8;}
.faq-item.is-open .faq-a{display:block;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-900);color:var(--on-dark);margin-top:0;
  position:relative;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);}
.footer-top{padding:clamp(48px,7vw,72px) 0 32px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--grad);color:#fff;}
.footer-brand strong{color:#fff;font-size:16px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--on-dark);font-size:14px;}
.footer-col a:hover{color:var(--lime-400);text-decoration:underline;}
.footer-desc{font-size:14px;color:rgba(207,224,216,.78);max-width:320px;margin:0 0 16px;}
.footer-bottom{
  border-top:1px solid rgba(207,224,216,.18);
  padding:20px 0;font-size:13px;color:rgba(207,224,216,.7);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .wrap{padding:0 24px;}
  .grid-container{padding-left:24px;padding-right:24px;}
  .nav-links{display:none;}
  .menu-toggle{display:block;}
  .bento-main{grid-column:span 12;}
  .bento-side{grid-column:span 12;}
  .cta-grid{grid-template-columns:1fr;}
  .gallery{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media screen and (max-width:768px){
  :root{--nav-h:56px;}
  .hero-copy{padding:24px;}
  .hero-visual{order:-1;}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:132px;}
  .g-wide{grid-column:span 2;}
  .news-card{grid-template-columns:1fr;gap:16px;}
  .news-media img{aspect-ratio:16/9;}
  .nav-actions .btn-primary{display:none;}
  .cd-label{display:none;}
}
@media screen and (max-width:520px){
  .wrap{padding:0 20px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .brand-text small{display:none;}
  .hero-actions .btn{width:100%;}
  .gallery .g-item:nth-child(n+7){display:none;}
  .countdown-inner{gap:10px;}
  .cd-num{min-width:38px;font-size:14px;padding:2px 8px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .footer-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .bento-card:hover,.news-card:hover,.btn:hover{transform:none;}
}

/* roulang page: article */
:root{
  --brand-900:#0A2B22;
  --brand-700:#0B3D2E;
  --brand-500:#0F5C4A;
  --brand-300:#17866B;
  --lime-400:#B7E14B;
  --ember-500:#F2603C;
  --bg-page:#F6F4EE;
  --surface:#FFFFFF;
  --line:#E3E0D6;
  --text-900:#14231F;
  --text-600:#55635E;
  --on-dark:#CFE0D8;
  --grad:linear-gradient(135deg,#0F5C4A 0%,#17866B 52%,#B7E14B 128%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 1px 2px rgba(10,43,34,.06);
  --sh-2:0 14px 34px -14px rgba(10,43,34,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:64px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--bg-page);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand-500);text-decoration:none;transition:color 200ms var(--ease);}
a:hover{color:var(--brand-700);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{
  outline:2px solid var(--lime-400);
  outline-offset:2px;
}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{margin:0;line-height:1.3;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;}
.wrap{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:14px 28px;border-radius:999px;border:none;
  font-family:inherit;font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;text-decoration:none;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),filter 220ms var(--ease),background-color 220ms var(--ease),border-color 220ms var(--ease),color 220ms var(--ease);
}
.btn-primary{
  background-color:var(--brand-500);
  background-image:var(--grad);
  color:#fff;box-shadow:var(--sh-1);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff;}
.btn-primary:active{transform:translateY(0);filter:brightness(.97);}
.btn-ghost{background:#fff;color:var(--brand-700);border:1px solid var(--line);}
.btn-ghost:hover{border-color:rgba(23,134,107,.45);transform:translateY(-2px);box-shadow:var(--sh-1);color:var(--brand-700);}
.btn-ghost:active{transform:translateY(0);}
.btn-block{width:100%;}
.btn-sm{padding:10px 18px;font-size:14px;min-height:40px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand-500);}
.link-more::after{content:"→";transition:transform 200ms var(--ease);}
.link-more:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;}
.link-more:hover::after{transform:translateX(3px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,238,.94);
  border-bottom:1px solid transparent;
  transition:background-color 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.site-header.scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;gap:18px;height:var(--nav-h);}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--grad);color:#fff;font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;}
.brand-text strong{font-size:16px;font-weight:800;color:var(--text-900);letter-spacing:.2px;}
.brand-text small{font-size:11.5px;color:var(--text-600);line-height:1.4;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:10px;}
.nav-links a{
  position:relative;display:inline-block;padding:9px 13px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--text-900);text-decoration:none;
  transition:color 200ms var(--ease),background-color 200ms var(--ease);
}
.nav-links a:hover{color:var(--brand-700);background:rgba(23,134,107,.09);}
.nav-links a.active{color:var(--brand-700);font-weight:700;}
.nav-links a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:3px;
  border-radius:999px;background:var(--lime-400);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-form{display:flex;align-items:center;}
.search-form input{
  width:174px;height:40px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--text-900);
  font-size:14px;font-family:inherit;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease),width 220ms var(--ease);
}
.search-form input::placeholder{color:#8D9A94;}
.search-form input:hover{border-color:rgba(23,134,107,.4);}
.search-form input:focus{outline:none;border-color:var(--lime-400);box-shadow:0 0 0 4px rgba(183,225,75,.28);}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  height:42px;padding:0 16px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--brand-700);font-size:14px;font-weight:600;cursor:pointer;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.nav-toggle:hover{border-color:rgba(23,134,107,.45);box-shadow:var(--sh-1);}
.nav-toggle .bars{display:inline-block;width:16px;height:2px;background:var(--brand-700);position:relative;}
.nav-toggle .bars::before,.nav-toggle .bars::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--brand-700);}
.nav-toggle .bars::before{top:-5px;}
.nav-toggle .bars::after{top:5px;}
.mobile-drawer{
  position:fixed;left:0;right:0;top:56px;bottom:0;z-index:55;
  background:#fff;padding:20px;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity 220ms var(--ease),transform 220ms var(--ease),visibility 220ms var(--ease);
  overflow-y:auto;
}
.mobile-drawer.open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-drawer a.drawer-link{
  display:block;padding:16px 14px;border-radius:var(--r-md);
  font-size:17px;font-weight:600;color:var(--text-900);
  border:1px solid var(--line);margin-bottom:12px;text-decoration:none;
}
.mobile-drawer a.drawer-link:hover{background:rgba(23,134,107,.07);color:var(--brand-700);}
.mobile-drawer .drawer-foot{margin-top:8px;display:flex;gap:12px;flex-wrap:wrap;}
body.drawer-open{overflow:hidden;}

/* ---------- 面包屑 & 文章头部 ---------- */
.article-head{
  background:linear-gradient(180deg,rgba(23,134,107,.12) 0%,rgba(23,134,107,.03) 55%,rgba(246,244,238,0) 100%);
  padding:26px 0 34px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-600);margin-bottom:18px;
}
.breadcrumb a{color:var(--text-600);text-decoration:none;}
.breadcrumb a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:#A9B4AF;}
.breadcrumb .current{color:var(--text-900);font-weight:600;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-title{
  font-size:clamp(24px,3.4vw,38px);
  line-height:1.28;font-weight:800;color:var(--brand-700);
  letter-spacing:.2px;margin-bottom:18px;max-width:22ch;
}
.article-title.long-title{max-width:34ch;}
.meta-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  padding:10px 18px;border-radius:999px;
  background:rgba(255,255,255,.85);border:1px solid var(--line);
  box-shadow:var(--sh-1);
  font-size:13.5px;color:var(--text-600);
  max-width:820px;
}
.meta-pill{
  display:inline-flex;align-items:center;padding:4px 13px;border-radius:999px;
  background-image:var(--grad);background-color:var(--brand-500);
  color:#fff;font-size:12.5px;font-weight:600;letter-spacing:.3px;
}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-item strong{color:var(--text-900);font-weight:600;}

/* ---------- 正文阅读区 ---------- */
.read-section{padding:44px 0 0;}
.read-grid{align-items:flex-start;}
.article-main{max-width:760px;}
.article-body{
  background:transparent;
  font-size:16px;line-height:1.86;color:var(--text-900);
  overflow-wrap:break-word;word-wrap:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;margin:2em 0 .8em;padding-left:18px;
  font-size:clamp(20px,2.3vw,24px);font-weight:700;color:var(--brand-700);line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:999px;background:var(--lime-400);
}
.article-body h3{margin:1.6em 0 .6em;font-size:18.5px;font-weight:600;color:var(--text-900);}
.article-body h4{margin:1.4em 0 .5em;font-size:16.5px;font-weight:600;color:var(--brand-700);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.5em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.45em;}
.article-body li::marker{color:var(--brand-300);}
.article-body blockquote{
  margin:1.5em 0;padding:16px 22px;
  background:#F1EFE6;border-left:4px solid var(--lime-400);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--text-600);
}
.article-body blockquote p{margin-bottom:.6em;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:1.6em auto;height:auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  margin-top:-.4em;font-size:13px;color:var(--text-600);text-align:center;
}
.article-body a{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-700);}
.article-body strong{font-weight:700;color:var(--brand-700);}
.article-body table{
  width:100%;margin:1.6em 0;border-collapse:separate;border-spacing:0;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;font-size:15px;
}
.article-body thead th{
  background:rgba(23,134,107,.10);color:var(--brand-700);
  text-align:left;padding:12px 14px;font-weight:700;
}
.article-body tbody td{padding:12px 14px;border-top:1px solid var(--line);color:var(--text-900);}
.article-body tbody tr:nth-child(even) td{background:rgba(246,244,238,.6);}
.article-body pre{
  margin:1.6em 0;padding:18px 20px;border-radius:var(--r-md);
  background:var(--brand-900);color:#EAF3EE;overflow-x:auto;
  font-size:14px;line-height:1.7;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.94em;
}
.article-body :not(pre) > code{
  background:rgba(10,43,34,.07);color:var(--brand-700);
  padding:2px 6px;border-radius:6px;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

/* 空态 */
.empty-state{
  padding:56px 24px;text-align:center;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  background:rgba(23,134,107,.10);color:var(--brand-300);
  display:flex;align-items:center;justify-content:center;
}
.empty-title{font-size:19px;font-weight:700;color:var(--brand-700);margin-bottom:8px;}
.empty-text{font-size:14.5px;color:var(--text-600);max-width:38ch;margin:0 auto 22px;}

/* ---------- 右侧栏 ---------- */
.aside-sticky{display:flex;flex-direction:column;gap:20px;}
.aside-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
}
.aside-card h2{
  font-size:16px;font-weight:700;color:var(--brand-700);
  margin-bottom:14px;padding-left:12px;position:relative;
}
.aside-card h2::before{
  content:"";position:absolute;left:0;top:.25em;bottom:.25em;width:3px;
  border-radius:999px;background:var(--lime-400);
}
.aside-list{list-style:none;margin:0;padding:0;}
.aside-list li + li{border-top:1px dashed var(--line);}
.aside-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14.5px;color:var(--text-900);text-decoration:none;
  transition:color 200ms var(--ease),padding 200ms var(--ease);
}
.aside-list a::after{content:"→";color:var(--brand-300);font-size:13px;}
.aside-list a:hover{color:var(--brand-700);padding-left:4px;}
.aside-help{
  background:var(--brand-900);border-color:var(--brand-900);
  color:var(--on-dark);
}
.aside-help h2{color:#fff;}
.aside-help p{font-size:14px;color:var(--on-dark);margin-bottom:16px;line-height:1.8;}
.aside-help .btn-ghost{background:transparent;color:var(--on-dark);border-color:rgba(207,224,216,.35);}
.aside-help .btn-ghost:hover{background:rgba(207,224,216,.10);border-color:var(--lime-400);color:#fff;}
.aside-note{font-size:12.5px;color:rgba(207,224,216,.72);margin:12px 0 0;}

/* ---------- 相关推荐 ---------- */
.related-section{padding:clamp(48px,7vw,84px) 0 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:26px;flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(20px,2.6vw,26px);font-weight:700;color:var(--brand-700);
}
.section-head p{font-size:14px;color:var(--text-600);margin:0;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.related-card{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);text-decoration:none;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(23,134,107,.4);}
.related-thumb{
  width:96px;flex:0 0 96px;aspect-ratio:4/3;border-radius:var(--r-md);
  overflow:hidden;background:var(--grad);
}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease);}
.related-card:hover .related-thumb img{transform:scale(1.05);}
.related-body{min-width:0;}
.related-tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--brand-500);
  background:rgba(23,134,107,.10);border-radius:999px;padding:2px 10px;margin-bottom:8px;
}
.related-body h3{
  font-size:15.5px;font-weight:600;color:var(--text-900);line-height:1.5;
  margin:0 0 6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-card:hover .related-body h3{color:var(--brand-700);}
.related-time{font-size:12.5px;color:var(--text-600);}
.back-row{margin-top:34px;display:flex;justify-content:center;}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;margin-top:clamp(56px,8vw,96px);background:var(--brand-900);color:var(--on-dark);}
.site-footer::before{content:"";display:block;height:3px;background:var(--grad);}
.footer-top{padding:clamp(40px,6vw,64px) 0 30px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800;}
.footer-desc{font-size:14px;line-height:1.85;color:var(--on-dark);margin:0 0 10px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--on-dark);text-decoration:none;}
.footer-col a:hover{color:var(--lime-400);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  padding:18px 0 30px;border-top:1px solid rgba(207,224,216,.18);
  font-size:13px;color:rgba(207,224,216,.78);
}

/* ---------- 断点 ---------- */
@media (max-width:1279px){
  .article-main{max-width:100%;}
}
@media (max-width:1023px){
  :root{--nav-h:56px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .wrap{padding-left:20px;padding-right:20px;}
  .nav-links{display:none;}
  .search-form{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-text small{display:none;}
  .mobile-drawer{top:56px;}
  .article-head{padding:20px 0 28px;}
  .article-title{max-width:100%;}
  .read-section{padding:32px 0 0;}
  .aside-sticky{margin-top:36px;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:639px){
  body{font-size:15px;line-height:1.78;}
  .header-inner{gap:12px;}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:15px;border-radius:11px;}
  .brand-text strong{font-size:14.5px;}
  .header-actions .btn{display:none;}
  .meta-bar{border-radius:var(--r-md);padding:12px 16px;gap:8px 14px;font-size:13px;}
  .article-body{font-size:15px;line-height:1.78;}
  .article-body table,
  .article-body thead,
  .article-body tbody,
  .article-body tr,
  .article-body th,
  .article-body td{display:block;width:100%;}
  .article-body thead{display:none;}
  .article-body tbody tr{
    border:1px solid var(--line);border-radius:var(--r-md);
    margin-bottom:12px;padding:6px 4px;background:#fff;
  }
  .article-body tbody tr:nth-child(even) td{background:transparent;}
  .article-body tbody td{border-top:0;padding:8px 12px;}
  .related-card{flex-direction:column;}
  .related-thumb{width:100%;flex:none;aspect-ratio:16/10;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .mobile-drawer .drawer-foot .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  .related-card:hover{transform:none;}
  .btn:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0A2B22;
  --brand-700:#0B3D2E;
  --brand-500:#0F5C4A;
  --brand-300:#17866B;
  --lime-400:#B7E14B;
  --ember-500:#F2603C;
  --bg-page:#F6F4EE;
  --surface:#FFFFFF;
  --line:#E3E0D6;
  --text-900:#14231F;
  --text-600:#55635E;
  --on-dark:#CFE0D8;
  --grad:linear-gradient(135deg,#0F5C4A 0%,#17866B 52%,#B7E14B 128%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 1px 2px rgba(10,43,34,.06);
  --sh-2:0 14px 34px -14px rgba(10,43,34,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-900);
  background-color:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-500);text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);}
a:hover{color:var(--brand-700);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,select{font:inherit;color:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;border-radius:6px;}

/* ===== Foundation 覆盖 ===== */
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}
.button{border-radius:999px;font-weight:600;box-shadow:none;}
.button:focus{outline:2px solid var(--lime-400);outline-offset:2px;}

/* ===== 容器 ===== */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-size:15px;font-weight:600;line-height:1.2;
  min-height:48px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{background-image:var(--grad);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff;text-decoration:none;}
.btn-primary:active{transform:translateY(0);filter:brightness(.97);}
.btn-outline{background:#fff;color:var(--brand-700);border:1px solid var(--line);}
.btn-outline:hover{border-color:var(--brand-300);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-2);text-decoration:none;}
.btn-outline:active{transform:translateY(0);}
.btn-ghost-dark{background:transparent;color:#fff;border:1px solid rgba(207,224,216,.55);}
.btn-ghost-dark:hover{background:rgba(255,255,255,.10);color:#fff;border-color:var(--lime-400);text-decoration:none;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;position:relative;}
.link-more::after{content:"→";transition:transform .22s var(--ease);}
.link-more:hover{text-decoration:none;color:var(--brand-700);}
.link-more:hover::after{transform:translateX(4px);}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,238,.92);
  border-bottom:1px solid transparent;
  transition:background-color .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:var(--sh-1);}
.nav-inner{
  display:flex;align-items:center;gap:28px;
  min-height:var(--nav-h);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background-image:var(--grad);
  color:#fff;font-weight:800;font-size:17px;display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.brand-text{font-size:17px;font-weight:800;color:var(--brand-900);letter-spacing:.2px;}
.brand:hover{text-decoration:none;}
.brand:hover .brand-text{color:var(--brand-500);}
.nav-links{display:flex;align-items:center;gap:26px;flex:1 1 auto;}
.nav-links a{
  position:relative;font-size:15px;font-weight:600;color:var(--text-900);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:auto;bottom:-4px;height:3px;width:0;
  background:var(--lime-400);border-radius:999px;transition:width .22s var(--ease);
}
.nav-links a:hover{color:var(--brand-700);text-decoration:none;}
.nav-links a:hover::after{width:100%;}
.nav-links a.active{color:var(--brand-700);}
.nav-links a.active::after{width:22px;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-toggle{
  width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;color:var(--brand-700);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.search-toggle:hover{border-color:var(--brand-300);transform:translateY(-2px);box-shadow:var(--sh-1);}
.search-panel{display:none;align-items:center;}
.search-panel.is-open{display:flex;}
.search-panel input{
  width:210px;height:42px;border-radius:999px;border:1px solid var(--line);background:#fff;
  padding:0 18px;font-size:14px;
}
.search-panel input:focus{border-color:var(--brand-300);outline:2px solid rgba(183,225,75,.55);outline-offset:0;}
.nav-cta{min-height:44px;padding:12px 24px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;font-size:14px;color:var(--brand-700);font-weight:600;
}
.nav-drawer{
  display:none;position:fixed;inset:var(--nav-h) 0 0 0;background:#fff;z-index:70;
  padding:24px 20px 32px;overflow-y:auto;
}
.nav-drawer.is-open{display:block;}
.nav-drawer a{
  display:block;padding:16px 4px;font-size:17px;font-weight:600;color:var(--text-900);
  border-bottom:1px solid var(--line);
}
.nav-drawer a.active{color:var(--brand-500);}
.nav-drawer .drawer-cta{margin-top:22px;display:flex;flex-direction:column;}
.nav-drawer .btn{width:100%;}

/* ===== 分类 Hero ===== */
.cat-hero{padding:48px 0 56px;position:relative;overflow:hidden;}
.cat-hero::before{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(183,225,75,.28),rgba(183,225,75,0) 70%);
  pointer-events:none;
}
.hero-grid{display:flex;align-items:center;gap:56px;position:relative;z-index:1;}
.hero-media{flex:1 1 50%;min-width:0;}
.hero-media-frame{
  padding:4px;border-radius:var(--r-xl);
  background-image:var(--grad);
  box-shadow:var(--sh-2);
}
.hero-media-inner{
  border-radius:28px;overflow:hidden;background:var(--brand-700);
  aspect-ratio:16/10;
}
.hero-media-inner img{width:100%;height:100%;object-fit:cover;}
.hero-float{
  position:absolute;left:24px;bottom:24px;background:rgba(10,43,34,.86);color:#fff;
  border-radius:999px;padding:8px 16px;font-size:13px;font-weight:600;
  border:1px solid rgba(183,225,75,.45);
}
.hero-media-frame{position:relative;}
.hero-copy{flex:1 1 50%;min-width:0;}
.crumbs{font-size:13px;color:var(--text-600);margin-bottom:16px;}
.crumbs a{color:var(--text-600);}
.crumbs a:hover{color:var(--brand-700);}
.crumbs span.sep{margin:0 8px;color:#a9b2ad;}
.crumbs strong{color:var(--brand-700);font-weight:600;}
.cat-hero h1{
  font-size:clamp(27px,4vw,42px);line-height:1.22;font-weight:800;color:var(--brand-900);
  margin-bottom:18px;
}
.cat-hero h1 em{font-style:normal;background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:17px;color:var(--text-600);max-width:560px;margin-bottom:26px;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.badge{
  display:inline-flex;align-items:baseline;gap:8px;padding:12px 18px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
}
.badge .num{font-size:22px;font-weight:800;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1;}
.badge .txt{font-size:13px;color:var(--text-600);}
.badge.solid{background-image:var(--grad);border-color:transparent;box-shadow:var(--sh-1);}
.badge.solid .num,.badge.solid .txt{color:#fff;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ===== 板块基础 ===== */
.section{padding:clamp(56px,8vw,96px) 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head h2{
  font-size:clamp(22px,3vw,32px);line-height:1.25;font-weight:700;color:var(--brand-900);
  position:relative;padding-left:18px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:999px;background-image:var(--grad);
}
.section-head p{font-size:15px;color:var(--text-600);max-width:620px;margin-top:10px;}
.section-note{font-size:14px;color:var(--text-600);}

/* ===== 标签筛选 pill ===== */
.pill-row{
  display:flex;gap:12px;overflow-x:auto;padding:4px 2px 14px;margin-bottom:26px;
  scrollbar-width:thin;
}
.pill-row::-webkit-scrollbar{height:6px;}
.pill-row::-webkit-scrollbar-thumb{background:#d6d2c4;border-radius:999px;}
.pill{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  padding:10px 20px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:var(--brand-700);min-height:44px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.pill:hover{border-color:var(--brand-300);transform:translateY(-2px);box-shadow:var(--sh-1);text-decoration:none;}
.pill.is-active{background-image:var(--grad);border-color:transparent;color:#fff;box-shadow:var(--sh-1);}

/* ===== 交错长条卡 ===== */
.strip-list{display:flex;flex-direction:column;gap:24px;}
.strip-card{
  display:flex;align-items:stretch;gap:0;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.strip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(23,134,107,.4);}
.strip-card.reverse{flex-direction:row-reverse;}
.strip-media{flex:0 0 41.666%;min-width:0;overflow:hidden;background:var(--brand-700);}
.strip-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;transition:transform .35s var(--ease);}
.strip-card:hover .strip-media img{transform:scale(1.03);}
.strip-body{flex:1 1 auto;padding:32px;display:flex;flex-direction:column;gap:14px;}
.strip-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.strip-index{
  font-size:14px;font-weight:800;color:var(--brand-500);letter-spacing:1px;font-variant-numeric:tabular-nums;
}
.tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
  background:#EEF6F1;color:var(--brand-700);font-size:12px;font-weight:600;border:1px solid #DBEAE1;
}
.tag.lime{background:rgba(183,225,75,.22);border-color:rgba(183,225,75,.55);color:var(--brand-700);}
.strip-body h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--brand-900);}
.strip-body p{font-size:15px;color:var(--text-600);}
.strip-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.strip-meta{font-size:13px;color:var(--text-600);}

/* ===== 双栏图文说明 ===== */
.split{display:flex;gap:48px;align-items:flex-start;}
.split-copy{flex:1 1 52%;min-width:0;}
.split-copy h2{margin-bottom:20px;}
.split-copy h3{font-size:18px;font-weight:600;color:var(--brand-900);margin:22px 0 8px;}
.split-copy p{font-size:15.5px;color:var(--text-600);margin-bottom:12px;}
.quote{
  margin:22px 0 0;padding:18px 22px;border-left:4px solid var(--lime-400);
  background:#FBF9F3;border-radius:0 var(--r-md) var(--r-md) 0;font-size:15px;color:var(--brand-700);
}
.mini-grid{flex:1 1 48%;min-width:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.mini-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;
  box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(23,134,107,.4);}
.mini-card .mini-num{
  font-size:13px;font-weight:800;color:var(--brand-500);letter-spacing:1px;font-variant-numeric:tabular-nums;
}
.mini-card h3{font-size:17px;font-weight:600;color:var(--brand-900);margin:10px 0 8px;}
.mini-card p{font-size:14px;color:var(--text-600);}
.mini-card .mini-icon{
  width:38px;height:38px;border-radius:12px;background-image:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;margin-bottom:6px;
}

/* ===== 答疑 ===== */
.faq-wrap{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:16px;}
details.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
details.faq-item:hover{border-color:rgba(23,134,107,.4);box-shadow:var(--sh-2);}
details.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 56px 20px 24px;font-size:16.5px;font-weight:600;color:var(--brand-900);
}
details.faq-item summary::-webkit-details-marker{display:none;}
details.faq-item summary::after{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:500;color:var(--brand-500);line-height:1;
}
details.faq-item[open] summary::after{content:"−";}
details.faq-item .faq-body{padding:0 24px 22px;font-size:15px;color:var(--text-600);}

/* ===== CTA 带 ===== */
.cta-band{
  background:linear-gradient(135deg,#0A2B22 0%,#0F5C4A 58%,#17866B 100%);
  border-radius:var(--r-xl);padding:clamp(32px,5vw,56px);
  display:flex;align-items:center;gap:40px;position:relative;overflow:hidden;
  box-shadow:var(--sh-2);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(183,225,75,.35),rgba(183,225,75,0) 70%);
}
.cta-copy{flex:1 1 auto;position:relative;z-index:1;}
.cta-copy h2{font-size:clamp(22px,3vw,30px);font-weight:700;color:#fff;margin-bottom:12px;line-height:1.3;}
.cta-copy p{font-size:15.5px;color:var(--on-dark);max-width:520px;}
.cta-side{flex:0 0 auto;display:flex;flex-direction:column;gap:12px;position:relative;z-index:1;}
.cta-side .btn{width:100%;}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand-900);color:var(--on-dark);margin-top:clamp(48px,6vw,80px);}
.site-footer::before{
  content:"";display:block;height:3px;background-image:var(--grad);
}
.footer-top{padding:64px 0 40px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:9px;font-size:16px;}
.footer-brand strong{font-size:16px;color:#fff;font-weight:800;}
.footer-desc{font-size:14px;color:var(--on-dark);line-height:1.75;margin-bottom:12px;max-width:330px;}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:var(--on-dark);font-size:14px;}
.footer-col ul a:hover{color:var(--lime-400);text-decoration:none;}
.footer-bottom{
  border-top:1px solid rgba(207,224,216,.18);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(207,224,216,.82);
}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  .wrap{padding-left:24px;padding-right:24px;}
  .hero-grid{flex-direction:column-reverse;gap:32px;align-items:stretch;}
  .hero-media,.hero-copy{flex:1 1 auto;}
  .cat-hero{padding:32px 0 44px;}
  .strip-card,.strip-card.reverse{flex-direction:column;}
  .strip-media{flex:1 1 auto;}
  .strip-media img{aspect-ratio:16/9;}
  .split{flex-direction:column;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;gap:26px;}
  .cta-side{width:100%;}
  .nav-links{gap:20px;}
}
@media screen and (max-width:768px){
  :root{--nav-h:56px;}
  .wrap{padding-left:20px;padding-right:20px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .search-panel{display:none !important;}
  .nav-cta{display:none;}
  .hero-media-inner{aspect-ratio:4/3;}
  .hero-float{left:16px;bottom:16px;font-size:12px;padding:7px 13px;}
  .mini-grid{grid-template-columns:1fr;}
  .strip-body{padding:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-col:first-child{grid-column:1 / -1;}
  .badge{flex:1 1 calc(50% - 6px);}
}
@media screen and (max-width:520px){
  body{font-size:15px;}
  .brand-text{font-size:15.5px;}
  .cat-hero h1{font-size:26px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section-head{align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --brand-900:#0A2B22;
  --brand-700:#0B3D2E;
  --brand-500:#0F5C4A;
  --brand-300:#17866B;
  --lime-400:#B7E14B;
  --ember-500:#F2603C;
  --bg-page:#F6F4EE;
  --surface:#FFFFFF;
  --line:#E3E0D6;
  --text-900:#14231F;
  --text-600:#55635E;
  --on-dark:#CFE0D8;
  --grad:linear-gradient(135deg,#0F5C4A 0%,#17866B 52%,#B7E14B 128%);
  --grad-text:linear-gradient(118deg,#0B3D2E 0%,#0F5C4A 48%,#17866B 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --pill:999px;
  --sh1:0 1px 2px rgba(10,43,34,.06);
  --sh2:0 14px 34px -14px rgba(10,43,34,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-900);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-500);text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);}
a:hover{color:var(--brand-700);text-decoration:underline;}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;font-size:inherit;border:0;background:none;color:inherit;cursor:pointer;}
input,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--lime-400);outline-offset:2px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.grid-container,.wrap{width:100%;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:32px;padding-right:32px;}
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--pill);
  font-size:15px;font-weight:700;line-height:1.2;
  text-decoration:none;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  min-height:48px;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);filter:brightness(1.06);box-shadow:var(--sh2);}
.btn:active{transform:translateY(0);filter:brightness(.97);box-shadow:var(--sh1);}
.btn-primary{background:var(--grad);color:#FFFFFF;box-shadow:var(--sh1);}
.btn-primary:hover{color:#FFFFFF;}
.btn-outline{background:var(--surface);color:var(--brand-700);border:1px solid var(--line);}
.btn-outline:hover{color:var(--brand-700);border-color:rgba(23,134,107,.4);}
.btn-ghost{background:rgba(255,255,255,.10);color:#FFFFFF;border:1px solid rgba(255,255,255,.34);}
.btn-ghost:hover{color:#FFFFFF;border-color:var(--lime-400);}
.btn-sm{padding:11px 22px;font-size:14px;min-height:44px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--brand-500);}
.link-arrow::after{content:"→";transition:transform .22s var(--ease);}
.link-arrow:hover{text-decoration:none;color:var(--brand-700);}
.link-arrow:hover::after{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,250,245,.88);
  border-bottom:1px solid transparent;
  transition:background-color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-stuck{background:#FFFFFF;border-bottom-color:var(--line);box-shadow:0 6px 20px -14px rgba(10,43,34,.35);}
.header-inner{
  display:flex;align-items:center;gap:20px;
  min-height:var(--nav-h);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  color:#FFFFFF;font-weight:800;font-size:18px;
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.brand-name{font-size:17px;font-weight:800;color:var(--brand-700);letter-spacing:.2px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 12px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--text-600);text-decoration:none;
  min-height:44px;
}
.nav-links a:hover{color:var(--brand-700);background:rgba(15,92,74,.06);text-decoration:none;}
.nav-links a.active{color:var(--brand-700);}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:3px;
  border-radius:var(--pill);background:var(--lime-400);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;
  width:0;opacity:0;overflow:hidden;
  transition:width .24s var(--ease),opacity .24s var(--ease);
}
.site-header.search-open .nav-search{width:216px;opacity:1;}
.nav-search input{
  width:100%;height:44px;padding:0 18px;
  border:1px solid var(--line);border-radius:var(--pill);
  background:var(--surface);color:var(--text-900);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search input::placeholder{color:#8B968F;}
.nav-search input:focus{outline:none;border-color:var(--brand-300);box-shadow:0 0 0 4px rgba(183,225,75,.32);}
.search-toggle{
  width:44px;height:44px;border-radius:var(--pill);
  border:1px solid var(--line);background:var(--surface);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;
}
.search-toggle:hover{border-color:rgba(23,134,107,.4);color:var(--brand-500);}
.search-toggle svg{width:18px;height:18px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);
  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(--brand-700);transition:transform .22s var(--ease),opacity .22s var(--ease);}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-nav{
  display:none;flex-direction:column;gap:4px;
  padding:12px 20px 22px;
  background:#FFFFFF;border-top:1px solid var(--line);
}
.mobile-nav a{
  display:flex;align-items:center;
  min-height:52px;padding:0 14px;border-radius:var(--r-sm);
  font-size:16px;font-weight:600;color:var(--text-600);text-decoration:none;
}
.mobile-nav a.active{color:var(--brand-700);background:rgba(15,92,74,.07);}
.mobile-nav .btn{margin-top:10px;}

/* ---------- 通用板块 ---------- */
.section{padding-top:clamp(56px,8vw,96px);padding-bottom:clamp(56px,8vw,96px);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--pill);
  background:rgba(15,92,74,.08);color:var(--brand-500);
  font-size:13px;font-weight:700;letter-spacing:.4px;
}
.section-title{
  font-size:clamp(22px,3vw,32px);line-height:1.25;font-weight:700;color:var(--brand-700);
  margin-top:16px;
}
.section-desc{margin-top:14px;color:var(--text-600);font-size:16px;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:48px 0 64px;
  background:linear-gradient(180deg,#FCFBF7 0%,#F6F4EE 100%);
  border-bottom:1px solid var(--line);
}
.hero-dots{
  position:absolute;right:7%;top:56px;width:200px;height:140px;
  background-image:radial-gradient(rgba(23,134,107,.55) 2px,transparent 2px);
  background-size:20px 20px;opacity:.45;pointer-events:none;
}
.hero-slice{
  position:absolute;right:-40px;bottom:-60px;width:360px;height:240px;
  background:linear-gradient(135deg,rgba(15,92,74,.10),rgba(183,225,75,.22));
  clip-path:polygon(20% 0,100% 0,100% 100%,0 74%);
  pointer-events:none;
}
.page-hero .grid-container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-600);margin-bottom:16px;
}
.breadcrumb a{color:var(--text-600);}
.breadcrumb a:hover{color:var(--brand-500);}
.breadcrumb em{font-style:normal;color:var(--brand-700);font-weight:600;}
.breadcrumb span{color:#A9B1AC;}
.hero-title{
  font-size:clamp(28px,4.6vw,46px);line-height:1.2;font-weight:800;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:var(--brand-700);
  max-width:880px;
}
.hero-lead{
  margin-top:18px;max-width:720px;
  font-size:clamp(17px,2vw,20px);font-weight:600;color:var(--brand-500);line-height:1.7;
}
.hero-sub{margin-top:12px;max-width:760px;color:var(--text-600);font-size:16px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;
  margin-top:36px;max-width:880px;
}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;box-shadow:var(--sh1);
}
.stat-num{
  font-size:clamp(24px,3.2vw,34px);line-height:1;font-weight:800;color:var(--brand-700);
  font-variant-numeric:tabular-nums;
}
.stat-num small{font-size:14px;font-weight:700;color:var(--brand-300);margin-left:4px;}
.stat-label{display:block;margin-top:8px;font-size:13px;color:var(--text-600);}

/* ---------- 时间轴 / 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 40px;margin-top:8px;}
.step{position:relative;padding-left:80px;}
.step::after{
  content:"";position:absolute;left:27px;top:64px;bottom:-30px;width:0;
  border-left:1px dashed #D8D3C4;
}
.steps .step:last-child::after{display:none;}
.step-num{
  position:absolute;left:0;top:0;
  width:56px;height:56px;border-radius:50%;
  background:var(--grad);color:#FFFFFF;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;font-variant-numeric:tabular-nums;
  box-shadow:0 10px 24px -14px rgba(10,43,34,.55);
}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--sh1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.step:hover .step-card{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(23,134,107,.4);}
.step-card h3{font-size:19px;line-height:1.4;font-weight:600;color:var(--brand-700);}
.step-card p{margin-top:10px;color:var(--text-600);font-size:15px;}
.step-meta{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  padding:5px 12px;border-radius:var(--pill);
  background:rgba(183,225,75,.28);color:var(--brand-700);
  font-size:12px;font-weight:700;
}

/* ---------- 双栏图文 ---------- */
.split{
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
}
.split-copy p{color:var(--text-600);margin-bottom:16px;}
.split-copy p:last-child{margin-bottom:0;}
.check-list{margin-top:22px;display:grid;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 18px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh1);
  font-size:15px;color:var(--text-900);
}
.check-list li::before{
  content:"";flex:0 0 auto;width:18px;height:18px;margin-top:5px;border-radius:50%;
  background:var(--grad);
}
.media-frame{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  aspect-ratio:16/10;background:var(--grad);box-shadow:var(--sh2);
  border:1px solid var(--line);
}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.media-frame:hover img{transform:scale(1.03);}
.media-badge{
  position:absolute;left:18px;bottom:18px;
  padding:8px 16px;border-radius:var(--pill);
  background:rgba(10,43,34,.78);color:#FFFFFF;font-size:13px;font-weight:700;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh1);overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item:hover{border-color:rgba(23,134,107,.4);box-shadow:var(--sh2);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;min-height:60px;
  font-size:17px;font-weight:700;color:var(--brand-700);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:22px;font-weight:700;color:var(--brand-300);line-height:1;
}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 24px 22px;color:var(--text-600);font-size:15.5px;line-height:1.85;}
.faq-body p{margin-bottom:10px;}
.faq-body p:last-child{margin-bottom:0;}

/* ---------- CTA 横条 ---------- */
.cta-band{
  background:linear-gradient(135deg,#0A2B22 0%,#0B3D2E 46%,#17866B 128%);
  color:#FFFFFF;padding:clamp(40px,6vw,64px) 0;
}
.cta-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;}
.cta-copy h2{font-size:clamp(22px,3vw,32px);line-height:1.25;font-weight:700;color:#FFFFFF;}
.cta-copy p{margin-top:12px;color:var(--on-dark);font-size:16px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--brand-900);color:var(--on-dark);
  padding-top:56px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;
  padding-bottom:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:var(--grad);color:#FFFFFF;}
.footer-brand strong{color:#FFFFFF;font-size:17px;font-weight:800;}
.footer-desc{font-size:14px;line-height:1.8;color:var(--on-dark);margin-bottom:10px;}
.footer-col h4{font-size:15px;font-weight:700;color:#FFFFFF;margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--on-dark);text-decoration:none;}
.footer-col a:hover{color:var(--lime-400);text-decoration:none;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  padding:18px 0 26px;border-top:1px solid rgba(207,224,216,.18);
  font-size:13px;color:rgba(207,224,216,.78);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-stats{grid-template-columns:repeat(4,minmax(0,1fr));}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  body.nav-open .mobile-nav{display:flex;}
  .nav-search{display:none;}
  .steps{grid-template-columns:1fr;gap:24px;}
  .steps .step:last-child::after{display:none;}
  .split{grid-template-columns:1fr;gap:28px;}
  .cta-inner{grid-template-columns:1fr;gap:22px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .hero-dots{right:2%;opacity:.28;}
}
@media (max-width:767px){
  .header-actions .btn-primary{display:none;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero-slice{width:240px;height:170px;opacity:.6;}
  .step{padding-left:68px;}
  .step-num{width:48px;height:48px;font-size:16px;}
  .step::after{left:23px;top:56px;}
  .media-frame{aspect-ratio:4/3;}
}
@media (max-width:520px){
  .grid-container,.wrap{padding-left:20px;padding-right:20px;}
  .brand-name{font-size:15px;white-space:normal;line-height:1.3;}
  .hero-cta .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .faq-item summary{padding:18px 20px;font-size:16px;}
  .faq-body{padding:0 20px 20px;}
  .step-card{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
  .btn:hover,.step:hover .step-card,.media-frame:hover img{transform:none;}
}