/* roulang page: index */
:root{
  --ink:#101413;
  --ink-2:#2A3431;
  --ink-3:#5A6663;
  --green:#1E4A3C;
  --green-2:#2F7A5F;
  --green-dark:#163A2F;
  --bamboo:#A8C93A;
  --paper:#F7F7F2;
  --card:#FFFFFF;
  --soft:#F2F5F1;
  --line:#E3E4DD;
  --warn:#B4592B;
  --r-card:12px;
  --r-img:10px;
  --r-btn:8px;
  --nav-h:68px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --hover-shadow:0 12px 32px rgba(16,20,19,.08);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background-color:var(--paper);
  background-image:repeating-linear-gradient(90deg,rgba(30,74,60,.028) 0 1px,transparent 1px 112px);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--green-2);text-decoration:none;transition:color .22s var(--ease);}
a:hover,a:focus{color:var(--green);}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;font-weight:700;}
:focus-visible{outline:2px solid var(--bamboo);outline-offset:2px;}
.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;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--green-2);
  font-weight:700;margin-bottom:14px;position:relative;padding-left:22px;
}
.eyebrow::before{
  content:"";position:absolute;left:0;top:50%;width:14px;height:2px;background:var(--bamboo);transform:translateY(-50%);
}
.section{padding:104px 0;}
.section-tight{padding:84px 0;}
.section-head{max-width:760px;margin-bottom:56px;}
.section-head h2{font-size:clamp(26px,3.2vw,38px);font-weight:700;letter-spacing:-.01em;}
.section-head h2::after{
  content:"";display:block;width:48px;height:4px;background:var(--bamboo);border-radius:2px;margin-top:18px;
}
.section-note{margin-top:18px;color:var(--ink-3);font-size:16.5px;max-width:680px;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none;}
.section-head-row h2::after{margin-top:14px;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--green);
  padding:4px 0;border-bottom:1px solid rgba(30,74,60,.25);
}
.text-link i{font-size:12px;transition:transform .22s var(--ease);}
.text-link:hover i{transform:translateX(3px);}
.text-link:hover{border-bottom-color:var(--green);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--green);color:#fff;border-color:var(--green);}
.btn-primary:hover,.btn-primary:focus{background:var(--green-dark);color:#fff;border-color:var(--green-dark);}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green);}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(30,74,60,.08);color:var(--green);}
.btn:active{transform:translateY(1px);}

.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--soft);color:var(--green);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.badge-accent{background:var(--bamboo);color:var(--ink);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(247,247,242,.94);
  border-bottom:1px solid var(--line);backdrop-filter:saturate(1.4) blur(8px);
  transition:box-shadow .28s var(--ease),background-color .28s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,20,19,.06);background:rgba(247,247,242,.98);}
.nav-shell{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:var(--nav-h);max-width:var(--wrap);margin:0 auto;padding:0 24px;
}
.nav-left{display:flex;align-items:center;gap:36px;min-width:0;flex:1 1 auto;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{position:relative;width:28px;height:28px;border-radius:9px;background:var(--green);flex:0 0 auto;}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;top:7px;width:7px;height:7px;border-radius:50%;background:#fff;}
.brand-mark::before{left:5px;}
.brand-mark::after{right:5px;}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);display:inline-flex;align-items:baseline;gap:6px;}
.brand-text em{font-style:normal;font-size:12px;font-weight:600;color:var(--green-2);letter-spacing:.08em;}
.nav-menu ul{display:flex;align-items:center;gap:26px;}
.nav-menu a{
  position:relative;display:inline-block;padding:6px 0;font-size:15.5px;font-weight:500;color:var(--ink-2);
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--bamboo);
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.nav-menu a:hover{color:var(--green);}
.nav-menu a:hover::after,.nav-menu a.is-active::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--green);font-weight:700;}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--green);
  cursor:pointer;transition:border-color .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease);
}
.icon-btn:hover{border-color:var(--green);background:var(--soft);}
.nav-tel{font-size:14.5px;font-weight:600;color:var(--ink-2);white-space:nowrap;}
.nav-tel:hover{color:var(--green);}
.nav-search{
  max-height:0;overflow:hidden;background:#fff;border-top:1px solid transparent;
  transition:max-height .3s var(--ease),border-color .3s var(--ease);
}
.nav-search.is-open{max-height:96px;border-top-color:var(--line);}
.nav-search-inner{
  display:flex;gap:12px;align-items:center;max-width:var(--wrap);margin:0 auto;padding:16px 24px;
}
.nav-search input{
  flex:1 1 auto;height:44px;padding:0 16px;border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:15px;color:var(--ink);background:var(--paper);transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.nav-search input:focus{outline:none;border-color:var(--green);background:#fff;}
.hamburger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.hamburger span{display:block;width:20px;height:2px;background:var(--green);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease);}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,20,19,.44);z-index:80;opacity:0;pointer-events:none;
  transition:opacity .28s var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:380px;background:var(--paper);z-index:90;
  transform:translateX(102%);transition:transform .32s var(--ease);display:flex;flex-direction:column;
  box-shadow:-16px 0 40px rgba(16,20,19,.14);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:999px;background:#fff;
  color:var(--ink-2);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-nav nav{display:block;}
.drawer-nav li{border-bottom:1px solid var(--line);}
.drawer-nav a{display:flex;align-items:center;min-height:52px;padding:0 22px;font-size:16px;color:var(--ink-2);}
.drawer-nav a.is-active{color:var(--green);font-weight:700;box-shadow:inset 3px 0 0 var(--bamboo);}
.drawer-cta{margin:24px 22px 32px;}
body.no-scroll{overflow:hidden;}

/* ---------- Hero 分屏 ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-grid{display:grid;grid-template-columns:55% 45%;align-items:stretch;min-height:560px;}
.hero-copy{
  padding:88px 56px 88px max(24px,calc((100vw - 1200px) / 2));
  display:flex;flex-direction:column;justify-content:center;
}
.hero h1{
  font-size:clamp(34px,4.6vw,60px);font-weight:800;line-height:1.15;letter-spacing:-.01em;
  max-width:16em;
}
.hero-lead{margin-top:24px;font-size:17px;line-height:1.9;color:var(--ink-3);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:44px;margin-top:52px;padding-top:28px;border-top:1px solid var(--line);}
.hero-stats li{display:flex;flex-direction:column;gap:2px;}
.hero-stats strong{
  font-size:34px;font-weight:800;color:var(--green);line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.hero-stats span{font-size:14px;color:var(--ink-3);letter-spacing:.02em;}
.hero-visual{position:relative;min-height:460px;}
.hero-visual img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-img) 0 0 var(--r-img);}
.hero-chip{
  position:absolute;left:-32px;bottom:56px;display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px 22px;
  box-shadow:0 12px 32px rgba(16,20,19,.08);max-width:270px;
}
.chip-dot{width:10px;height:10px;border-radius:50%;background:var(--bamboo);flex:0 0 auto;margin-top:8px;}
.hero-chip p{font-size:14.5px;line-height:1.7;color:var(--ink-2);}
.hero-line{position:absolute;left:0;bottom:0;width:96px;height:4px;background:var(--bamboo);}

/* ---------- 服务板块 ---------- */
.split-head{display:grid;grid-template-columns:4fr 7fr;gap:72px;align-items:start;}
.split-head-left{position:sticky;top:112px;}
.split-head-left h2{font-size:clamp(26px,3vw,36px);letter-spacing:-.01em;}
.split-head-left h2::after{content:"";display:block;width:48px;height:4px;background:var(--bamboo);border-radius:2px;margin-top:18px;}
.split-head-left .section-note{margin-top:20px;font-size:16px;color:var(--ink-3);}
.split-head-left .text-link{margin-top:26px;}
.svc-list{border-bottom:1px solid var(--line);}
.svc-list li{
  display:grid;grid-template-columns:56px 1fr 28px;gap:18px;align-items:start;
  padding:26px 0;border-top:1px solid var(--line);transition:padding-left .24s var(--ease);
}
.svc-list li:hover{padding-left:8px;}
.svc-num{
  font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--ink-3);
  font-variant-numeric:tabular-nums;padding-top:5px;transition:color .24s var(--ease);
}
.svc-list li:hover .svc-num{color:var(--bamboo);}
.svc-list h3{font-size:21px;font-weight:600;}
.svc-desc{
  max-height:0;opacity:0;overflow:hidden;font-size:15.5px;line-height:1.85;color:var(--ink-3);
  transition:max-height .3s var(--ease),opacity .3s var(--ease),margin-top .3s var(--ease);
}
.svc-list li:hover .svc-desc{max-height:96px;opacity:1;margin-top:8px;}
.svc-arrow{color:var(--green);font-size:14px;padding-top:6px;opacity:0;transform:translateX(-6px);transition:opacity .24s var(--ease),transform .24s var(--ease);}
.svc-list li:hover .svc-arrow{opacity:1;transform:translateX(0);}

/* ---------- 数据板块 ---------- */
.section-stats{background:var(--green);color:rgba(255,255,255,.86);padding:84px 0;}
.section-stats .stats-lead{
  font-size:clamp(22px,2.4vw,30px);font-weight:700;color:#fff;line-height:1.45;max-width:22em;letter-spacing:-.01em;
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:56px;
}
.stats-grid li{
  padding:0 32px;border-left:1px solid rgba(255,255,255,.18);
  display:flex;flex-direction:column;gap:6px;
}
.stats-grid li:first-child{padding-left:0;border-left:0;}
.stats-grid strong{
  font-size:clamp(34px,4vw,50px);font-weight:800;color:var(--bamboo);line-height:1.05;
  font-variant-numeric:tabular-nums;
}
.stats-grid span{font-size:16px;font-weight:600;color:#fff;}
.stats-grid em{font-style:normal;font-size:13.5px;color:rgba(255,255,255,.68);line-height:1.7;}

/* ---------- 场景卡片 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--hover-shadow);border-color:rgba(30,74,60,.25);}
.scene-card-lg{grid-row:span 2;grid-column:span 1;}
.scene-media{overflow:hidden;border-radius:0;}
.scene-card-lg .scene-media{aspect-ratio:4 / 3;}
.scene-card:not(.scene-card-lg) .scene-media{aspect-ratio:16 / 10;}
.scene-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s var(--ease);}
.scene-card:hover .scene-media img{transform:scale(1.03);}
.scene-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.scene-body h3{font-size:20px;font-weight:600;}
.scene-body p{font-size:15.5px;line-height:1.85;color:var(--ink-3);}
.scene-body .text-link{margin-top:auto;align-self:flex-start;}

/* ---------- 流程时间轴 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:8px;}
.timeline li{position:relative;padding:0 32px 0 0;}
.timeline li::before{
  content:"";position:absolute;left:0;top:26px;right:0;height:1px;background:var(--line);
}
.timeline li:last-child::before{right:0;}
.timeline .step-num{
  position:relative;z-index:1;display:inline-flex;align-items:center;justify-content:center;
  width:54px;height:54px;border-radius:999px;background:var(--paper);border:1px solid var(--line);
  font-size:20px;font-weight:800;color:var(--green);font-variant-numeric:tabular-nums;
  transition:border-color .24s var(--ease),color .24s var(--ease);
}
.timeline li:hover .step-num{border-color:var(--bamboo);color:var(--green-2);}
.timeline h3{font-size:19px;font-weight:600;margin-top:24px;}
.timeline p{font-size:15px;line-height:1.85;color:var(--ink-3);margin-top:10px;}

/* ---------- 最新信息 ---------- */
.section-news{background:var(--soft);}
.news-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:28px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--hover-shadow);border-color:rgba(30,74,60,.25);}
.news-link{display:flex;flex-direction:column;height:100%;color:inherit;}
.news-link:hover{color:inherit;}
.news-media{overflow:hidden;aspect-ratio:16 / 10;}
.news-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s var(--ease);}
.news-card:hover .news-media img{transform:scale(1.03);}
.news-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.news-body h3{font-size:20px;font-weight:600;line-height:1.5;}
.news-card-lead .news-body h3{font-size:24px;}
.news-sum{
  font-size:15px;line-height:1.85;color:var(--ink-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-3);letter-spacing:.02em;
}
.news-meta .text-arrow{color:var(--green);font-weight:600;}
.news-card-lead{grid-row:span 2;}
.news-card-lead .news-media{aspect-ratio:16 / 11;}
.empty-state{
  max-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:48px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);text-align:center;
}
.empty-icon{
  width:44px;height:44px;border-radius:999px;border:2px solid var(--green);position:relative;
}
.empty-icon::before{content:"";position:absolute;left:50%;top:50%;width:14px;height:14px;border:2px solid var(--green);border-radius:50%;transform:translate(-50%,-50%);}
.empty-state p{font-size:15px;color:var(--ink-3);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 7fr;gap:72px;align-items:start;}
.faq-head{position:sticky;top:112px;}
.faq-head h2{font-size:clamp(26px,3vw,36px);letter-spacing:-.01em;}
.faq-head h2::after{content:"";display:block;width:48px;height:4px;background:var(--bamboo);border-radius:2px;margin-top:18px;}
.faq-head p{margin-top:20px;font-size:16px;line-height:1.85;color:var(--ink-3);}
.faq-list{border-bottom:1px solid var(--line);}
.faq-list .accordion-item{
  border:0;border-top:1px solid var(--line);background:transparent;
  transition:border-color .28s var(--ease);
}
.faq-list .accordion-item.is-active{border-top-color:var(--green);}
.faq-list .accordion-title{
  position:relative;display:block;padding:24px 52px 24px 0;background:none;border:0;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-list .accordion-title:hover{color:var(--green);}
.faq-list .accordion-title::before,
.faq-list .accordion-title::after{
  content:"";position:absolute;right:8px;top:50%;background:var(--green);border-radius:2px;
  transition:transform .28s var(--ease),opacity .28s var(--ease),background-color .28s var(--ease);
}
.faq-list .accordion-title::before{width:15px;height:2px;margin-top:-1px;}
.faq-list .accordion-title::after{width:2px;height:15px;margin-top:-7.5px;right:14.5px;}
.faq-list .accordion-item.is-active .accordion-title::after{transform:rotate(90deg);opacity:0;}
.faq-list .accordion-item.is-active .accordion-title::before{background:var(--bamboo);}
.faq-list .accordion-content{padding:0 52px 24px 0;background:none;border:0;color:var(--ink-3);font-size:15.5px;line-height:1.9;}

/* ---------- CTA ---------- */
.section-cta{padding:0;}
.cta-band{
  background:var(--ink);color:rgba(255,255,255,.82);
  padding:76px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:clamp(24px,2.8vw,34px);letter-spacing:-.01em;max-width:20em;}
.cta-inner p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.7);max-width:36em;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-actions .btn-primary{background:var(--bamboo);border-color:var(--bamboo);color:var(--ink);}
.cta-actions .btn-primary:hover{background:#bcd94f;border-color:#bcd94f;color:var(--ink);}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5);}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green);color:rgba(255,255,255,.72);padding:80px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text em{color:var(--bamboo);}
.footer-brand p{margin-top:20px;font-size:14.5px;line-height:1.9;max-width:24em;}
.footer-tel{margin-top:18px;font-size:14.5px;}
.footer-tel a{color:#fff;font-weight:700;}
.footer-col h3{color:#fff;font-size:15px;font-weight:700;letter-spacing:.06em;margin-bottom:20px;}
.footer-col li{margin-bottom:12px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:64px;border-top:1px solid rgba(255,255,255,.16);padding:24px 0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.6);letter-spacing:.02em;
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
.hero-copy > *{opacity:0;transform:translateY(16px);animation:heroIn .5s var(--ease) forwards;}
.hero-copy > *:nth-child(1){animation-delay:.05s;}
.hero-copy > *:nth-child(2){animation-delay:.11s;}
.hero-copy > *:nth-child(3){animation-delay:.17s;}
.hero-copy > *:nth-child(4){animation-delay:.23s;}
.hero-copy > *:nth-child(5){animation-delay:.29s;}
@keyframes heroIn{to{opacity:1;transform:none;}}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  .hero-copy > *{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (min-width:1280px){
  .wrap,.nav-shell{max-width:1280px;}
  .hero-copy{padding-left:max(24px,calc((100vw - 1280px) / 2));}
}
@media (max-width:1279px){
  .hero-copy{padding:72px 40px 72px 24px;}
}
@media (max-width:1023px){
  .nav-menu,.nav-tel{display:none;}
  .hamburger{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;min-height:0;}
  .hero-copy{padding:56px 24px 48px;}
  .hero h1{max-width:none;}
  .hero-visual{min-height:340px;max-height:44vh;}
  .hero-visual img{border-radius:var(--r-img);}
  .hero-chip{left:24px;bottom:24px;max-width:240px;}
  .split-head,.faq-layout{grid-template-columns:1fr;gap:40px;}
  .split-head-left,.faq-head{position:static;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:36px 0;}
  .stats-grid li{padding:0 24px;}
  .stats-grid li:nth-child(odd){padding-left:0;border-left:0;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .scene-card-lg{grid-row:auto;grid-column:span 2;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .news-card-lead{grid-row:auto;grid-column:span 2;}
  .timeline{grid-template-columns:repeat(2,1fr);gap:40px 0;}
  .timeline li::before{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .section{padding:76px 0;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .wrap{padding:0 18px;}
  .nav-shell{padding:0 18px;}
  .section{padding:60px 0;}
  .section-tight{padding:52px 0;}
  .section-head{margin-bottom:36px;}
  .hero-stats{gap:28px;margin-top:36px;}
  .hero-stats strong{font-size:28px;}
  .hero-chip{position:static;margin-top:16px;max-width:none;box-shadow:none;}
  .hero-visual{min-height:280px;}
  .scene-grid,.news-grid{grid-template-columns:1fr;}
  .scene-card-lg,.news-card-lead{grid-column:span 1;}
  .timeline{grid-template-columns:1fr;gap:32px;}
  .svc-list li{grid-template-columns:44px 1fr;gap:14px;}
  .svc-arrow{display:none;}
  .svc-desc{max-height:none;opacity:1;margin-top:8px;}
  .nav-search-inner{flex-wrap:wrap;padding:14px 18px;}
  .nav-search input{width:100%;}
  .faq-list .accordion-title{font-size:16px;padding-right:44px;}
  .faq-list .accordion-content{padding-right:0;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .hero h1{font-size:30px;}
  .hero-actions .btn{width:100%;}
  .nav-right{gap:8px;}
  .nav-right .nav-cta{display:none;}
  .stats-grid{grid-template-columns:1fr;gap:28px;}
  .stats-grid li{padding:0!important;border-left:0!important;}
}

/* roulang page: article */
:root{
  --bamboo:#1E4A3C;
  --bamboo-deep:#163A2F;
  --bamboo-2:#2F7A5F;
  --sprout:#A8C93A;
  --ink:#101413;
  --ink-2:#2A3431;
  --muted:#5A6663;
  --paper:#F7F7F2;
  --white:#FFFFFF;
  --soft:#F2F5F1;
  --line:#E3E4DD;
  --warn:#B4682C;
  --r-card:12px;
  --r-img:10px;
  --r-btn:8px;
  --shadow-hover:0 12px 32px rgba(16,20,19,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background-color:var(--paper);
  background-image:repeating-linear-gradient(90deg,rgba(30,74,60,.026) 0 1px,transparent 1px 96px);
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;color:var(--ink);line-height:1.28;font-family:inherit;}
p{margin:0 0 1em;}
a{color:var(--bamboo-2);text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease);}
a:hover{color:var(--bamboo);}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img);}
button{font:inherit;cursor:pointer;background:none;border:0;color:inherit;}
input,textarea,select{font:inherit;color:var(--ink-2);}
ul,ol{margin:0;padding:0;list-style:none;}
time{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--sprout);outline-offset:2px;border-radius:4px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}
.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;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,247,242,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease),background-color .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,20,19,.06);}
.header-inner{
  max-width:1280px;margin:0 auto;padding:0 24px;
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.header-left{display:flex;align-items:center;gap:42px;flex:0 0 55%;min-width:0;}
.header-right{display:flex;align-items:center;gap:12px;flex:1 1 auto;justify-content:flex-end;min-width:0;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:20px;letter-spacing:-.02em;flex:0 0 auto;}
.brand:hover{color:var(--ink);}
.brand-mark{position:relative;width:20px;height:20px;border-radius:50% 50% 46% 46%;background:var(--ink);display:inline-block;flex:0 0 auto;}
.brand-mark::after{content:"";position:absolute;right:-5px;top:-4px;width:7px;height:14px;border-radius:6px;background:var(--sprout);transform:rotate(20deg);}
.brand-text em{font-style:normal;color:var(--bamboo-2);font-size:12px;font-weight:600;margin-left:4px;letter-spacing:.08em;vertical-align:2px;}
.nav-menu ul{display:flex;align-items:center;gap:26px;}
.nav-menu a{position:relative;display:inline-block;padding:6px 0;font-size:16px;color:var(--ink-2);white-space:nowrap;}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-16px;height:2px;background:var(--sprout);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-menu a:hover{color:var(--bamboo);}
.nav-menu a.is-active{color:var(--bamboo);font-weight:600;}
.nav-menu a.is-active::after{transform:scaleX(1);}
.icon-btn{
  width:44px;height:44px;border-radius:999px;border:1px solid var(--line);background:var(--white);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);
  transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease);
}
.icon-btn:hover{border-color:var(--bamboo);color:var(--bamboo);}
.inline-search{display:none;align-items:center;gap:8px;}
.inline-search.is-open{display:flex;}
.inline-search input[type="search"]{
  width:200px;height:40px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--white);font-size:14px;transition:border-color .22s var(--ease);
}
.inline-search input[type="search"]:focus{border-color:var(--bamboo);outline:none;box-shadow:0 0 0 2px rgba(168,201,58,.55);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-primary{background:var(--bamboo);color:#fff;}
.btn-primary:hover{background:var(--bamboo-deep);color:#fff;}
.btn-ghost{border-color:var(--bamboo);color:var(--bamboo);background:transparent;}
.btn-ghost:hover{background:rgba(30,74,60,.08);color:var(--bamboo);}
.btn-light{background:var(--white);color:var(--bamboo);border-color:transparent;}
.btn-light:hover{background:#fff;color:var(--bamboo-deep);}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-sm{height:38px;min-height:38px;padding:0 16px;font-size:14px;}
.btn-text{height:auto;min-height:0;padding:0;color:var(--bamboo-2);font-size:15px;font-weight:600;border-radius:0;}
.btn-text i{transition:transform .22s var(--ease);}
.btn-text:hover{color:var(--bamboo);}
.btn-text:hover i{transform:translateX(3px);}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);color:var(--ink);background:var(--white);align-items:center;justify-content:center;}
.nav-overlay{position:fixed;inset:0;background:rgba(16,20,19,.42);opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s var(--ease);z-index:70;}
.nav-overlay.is-open{opacity:1;visibility:visible;}

/* ============ 文章头部 ============ */
.article-hero{padding:44px 0 0;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);letter-spacing:.02em;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--bamboo-2);}
.crumbs .sep{color:#c9ccc4;}
.crumbs .current{color:var(--ink);}
.post-head{padding:22px 0 28px;border-bottom:1px solid var(--line);position:relative;}
.post-tagline{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.14em;color:var(--bamboo-2);font-weight:600;}
.post-tagline::before{content:"";width:48px;height:4px;background:var(--sprout);border-radius:2px;}
.post-title{margin:16px 0 0;font-size:clamp(28px,3.2vw,40px);line-height:1.3;letter-spacing:-.01em;font-weight:800;max-width:24em;}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px;font-size:14px;color:var(--muted);letter-spacing:.02em;}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#c9ccc4;display:inline-block;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--soft);color:var(--bamboo);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.badge-accent{background:var(--sprout);color:var(--ink);}
.share-row{display:flex;align-items:center;gap:10px;margin-left:auto;}
.share-row a{width:36px;height:36px;border-radius:999px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--muted);background:var(--white);}
.share-row a:hover{border-color:var(--bamboo);color:var(--bamboo);}

/* ============ 文章主体 ============ */
.article-main{padding:52px 0 16px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:64px;align-items:start;}
.entry-content{font-size:17px;line-height:1.9;color:var(--ink-2);max-width:800px;}
.entry-content > *:first-child{margin-top:0;}
.entry-content p{margin:0 0 1.2em;}
.entry-content h2{
  position:relative;font-size:24px;line-height:1.42;margin:2.2em 0 .8em;padding-left:16px;
}
.entry-content h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--sprout);}
.entry-content h3{font-size:20px;margin:1.8em 0 .6em;}
.entry-content strong{color:var(--ink);}
.entry-content blockquote{
  margin:1.6em 0;padding:18px 22px;border-left:3px solid var(--bamboo);background:var(--soft);
  border-radius:0 var(--r-img) var(--r-img) 0;color:var(--ink-2);font-size:16px;
}
.entry-content blockquote p:last-child{margin-bottom:0;}
.entry-content ul,.entry-content ol{margin:0 0 1.4em;}
.entry-content ul li{position:relative;padding-left:20px;margin-bottom:.5em;}
.entry-content ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--sprout);}
.entry-content ol{list-style:decimal;padding-left:1.4em;}
.entry-content ol li{margin-bottom:.5em;padding-left:4px;}
.entry-content img{border-radius:var(--r-img);margin:1.6em auto;}
.entry-content figure{margin:1.8em 0;}
.entry-content figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;line-height:1.7;}
.entry-content table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;}
.entry-content th{background:var(--soft);color:var(--bamboo);font-weight:600;text-align:left;}
.entry-content th,.entry-content td{padding:12px 16px;border-bottom:1px solid var(--line);}
.entry-content tr:last-child td{border-bottom:0;}
.entry-content a{border-bottom:1px solid rgba(47,122,95,.35);}
.entry-content a:hover{border-bottom-color:var(--bamboo);}
.empty-state{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--white);
  padding:44px 28px;text-align:center;max-width:800px;
}
.empty-state i{font-size:28px;color:var(--bamboo);}
.empty-state p{margin:14px 0 18px;font-size:15px;color:var(--muted);}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:96px;}
.side-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;margin-bottom:20px;}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;color:var(--ink);}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--sprout);display:inline-block;}
.toc-list li{margin-bottom:10px;font-size:14px;line-height:1.7;}
.toc-list li.toc-sub{padding-left:14px;font-size:13.5px;}
.toc-list a{color:var(--ink-2);display:block;padding:2px 0;}
.toc-list a:hover{color:var(--bamboo-2);}
.side-links li{border-top:1px solid var(--line);}
.side-links li:first-child{border-top:0;}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;font-size:15px;color:var(--ink-2);}
.side-links a i{font-size:12px;color:var(--bamboo-2);transition:transform .22s var(--ease);}
.side-links a:hover{color:var(--bamboo);}
.side-links a:hover i{transform:translateX(3px);}
.side-note{font-size:13.5px;color:var(--muted);line-height:1.9;}
.side-note a{color:var(--bamboo-2);font-weight:600;}

/* ============ 文末相关 ============ */
.related{padding:64px 0 8px;}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.related-head h2{font-size:clamp(24px,2.6vw,32px);}
.related-head h2::after{content:"";display:block;width:48px;height:4px;border-radius:2px;background:var(--sprout);margin-top:14px;}
.related-row{margin-left:0;margin-right:0;}
.related-card{
  display:flex;flex-direction:column;height:100%;background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#d5d8ce;}
.related-thumb{aspect-ratio:16/10;overflow:hidden;border-radius:0;}
.related-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s var(--ease);}
.related-card:hover .related-thumb img{transform:scale(1.03);}
.related-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.related-body h3{font-size:19px;line-height:1.45;}
.related-body p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0;}
.related-body .more{margin-top:auto;font-size:14px;font-weight:600;color:var(--bamboo-2);display:inline-flex;align-items:center;gap:8px;}
.related-body .more i{transition:transform .22s var(--ease);}
.related-card:hover .more i{transform:translateX(3px);}
.back-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;padding-top:28px;border-top:1px solid var(--line);}

/* ============ CTA ============ */
.cta-band{
  margin-top:80px;padding:64px 0;color:#fff;
  background-image:linear-gradient(100deg,rgba(16,20,19,.88),rgba(30,74,60,.86)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:clamp(24px,2.8vw,34px);line-height:1.35;max-width:20em;}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15.5px;margin:12px 0 0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--bamboo);color:rgba(255,255,255,.78);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:44px;padding-bottom:48px;}
.footer-brand .brand{color:#fff;font-size:20px;}
.footer-brand .brand-text em{color:var(--sprout);}
.footer-brand .brand-mark{background:#fff;}
.footer-brand p{font-size:14px;line-height:1.95;color:rgba(255,255,255,.7);margin:18px 0 0;max-width:34em;}
.footer-tel{margin-top:14px !important;}
.footer-tel a{color:var(--sprout);font-weight:600;}
.site-footer h3{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:12px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.74);}
.footer-col a:hover{color:var(--sprout);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0 30px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom p{margin:0;}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .4s var(--ease),transform .4s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .wrap{max-width:1120px;}
}
@media (max-width:1023px){
  .header-left{flex:0 0 auto;gap:16px;}
  .nav-menu{
    position:fixed;top:0;right:0;height:100%;width:88%;max-width:400px;background:var(--white);
    transform:translateX(100%);transition:transform .28s var(--ease);
    padding:84px 24px 32px;z-index:80;overflow-y:auto;box-shadow:-10px 0 30px rgba(16,20,19,.12);
    border-left:1px solid var(--line);
  }
  .nav-menu.is-open{transform:translateX(0);}
  .nav-menu ul{flex-direction:column;align-items:stretch;gap:0;}
  .nav-menu a{padding:0;height:52px;display:flex;align-items:center;border-bottom:1px solid var(--line);font-size:16px;}
  .nav-menu a::after{display:none;}
  .nav-menu a.is-active{color:var(--bamboo);font-weight:600;}
  .nav-toggle{display:inline-flex;}
  .article-layout{grid-template-columns:1fr;gap:40px;}
  .article-side{position:static;order:2;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  .header-inner{padding:0 18px;height:60px;}
  .inline-search input[type="search"]{width:130px;}
  .header-right .btn-primary{display:none;}
  .post-head{padding:18px 0 22px;}
  .post-meta .share-row{margin-left:0;}
  .article-main{padding:36px 0 8px;}
  .entry-content{font-size:16.5px;line-height:1.85;}
  .side-card{padding:20px;}
  .cta-band{padding:48px 0;}
  .related{padding:48px 0 8px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .site-footer{padding-top:56px;}
}
@media (max-width:519px){
  .brand{font-size:18px;}
  .brand-text em{font-size:11px;}
  .btn{padding:0 18px;font-size:14px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --bamboo:#1E4A3C;
  --bamboo-2:#2F7A5F;
  --bamboo-3:#163A2F;
  --sprout:#A8C93A;
  --ink:#101413;
  --ink-2:#2A3431;
  --muted:#5A6663;
  --paper:#F7F7F2;
  --card:#FFFFFF;
  --soft:#F2F5F1;
  --line:#E3E4DD;
  --r-card:12px;
  --r-img:10px;
  --r-btn:8px;
  --shadow-hover:0 12px 32px rgba(16,20,19,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:68px;
  --sec-pad:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink-2);
  background-color:var(--paper);
  background-image:repeating-linear-gradient(90deg,rgba(30,74,60,.028) 0 1px,transparent 1px 72px);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;border-style:none}
a{color:var(--bamboo-2);text-decoration:none;transition:color 220ms var(--ease)}
a:hover{color:var(--bamboo)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
button{font-family:inherit}
input,select,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--sprout);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--bamboo);color:#fff;padding:10px 16px;border-radius:0 0 var(--r-btn) 0;z-index:200}
.skip-link:focus{left:0;color:#fff}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.wrap{max-width:1280px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,247,242,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow 260ms var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,20,19,.06)}
.header-split{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:var(--nav-h);max-width:1440px;margin:0 auto;padding:0 24px;
}
.header-left{display:flex;align-items:center;gap:40px;flex:1 1 55%;min-width:0}
.header-right{display:flex;align-items:center;gap:14px;flex:0 1 45%;justify-content:flex-end}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:20px;letter-spacing:-.01em;white-space:nowrap}
.brand:hover{color:var(--ink)}
.brand-mark{position:relative;width:24px;height:24px;border-radius:50% 50% 46% 46%;background:var(--ink);flex:0 0 auto}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;top:-4px;width:10px;height:10px;border-radius:50%;background:var(--ink)}
.brand-mark::before{left:-2px}
.brand-mark::after{right:-2px}
.brand-text em{font-style:normal;font-size:14px;font-weight:600;color:var(--bamboo-2);margin-left:4px}
.nav-menu ul{display:flex;align-items:center;gap:28px;list-style:none}
.nav-menu a{position:relative;display:inline-block;padding:6px 0;font-size:16px;color:var(--ink-2);line-height:1.4}
.nav-menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--sprout);transition:width 240ms var(--ease)}
.nav-menu a:hover{color:var(--bamboo)}
.nav-menu a:hover::after{width:100%}
.nav-menu a.is-active{color:var(--bamboo);font-weight:600}
.nav-menu a.is-active::after{width:100%}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:transparent;color:var(--ink-2);cursor:pointer;transition:all 220ms var(--ease);
}
.icon-btn:hover{border-color:var(--bamboo);color:var(--bamboo);background:rgba(30,74,60,.06)}
.icon-btn svg{width:19px;height:19px}
.nav-toggle{display:none}
.header-search{border-top:1px solid var(--line);background:rgba(247,247,242,.98)}
.header-search[hidden]{display:none}
.header-search form{display:flex;gap:12px;max-width:1200px;margin:0 auto;padding:14px 24px}
.header-search input{
  flex:1 1 auto;min-width:0;height:44px;padding:0 16px;font-size:16px;color:var(--ink-2);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);transition:border-color 220ms var(--ease);
}
.header-search input::placeholder{color:#93A09B}
.header-search input:focus{border-color:var(--bamboo);outline:none;box-shadow:0 0 0 2px rgba(168,201,58,.55)}

/* ---------- buttons & badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:all 220ms var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--bamboo);color:#fff}
.btn-primary:hover,.btn-primary:focus{background:var(--bamboo-3);color:#fff}
.btn-ghost{background:transparent;color:var(--bamboo);border-color:var(--bamboo)}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(30,74,60,.08);color:var(--bamboo-3)}
.btn-light{background:#fff;color:var(--bamboo)}
.btn-light:hover,.btn-light:focus{background:#EDF1E9;color:var(--bamboo-3)}
.btn-sm{min-height:38px;padding:0 16px;font-size:15px}
.btn-link{display:inline-flex;align-items:center;gap:8px;color:var(--bamboo-2);font-weight:600}
.btn-link::after{content:"→";transition:transform 220ms var(--ease)}
.btn-link:hover::after{transform:translateX(3px)}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;letter-spacing:.02em;background:var(--soft);color:var(--bamboo);
}
.badge-sprout{background:var(--sprout);color:var(--ink)}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;top:0;right:0;height:100%;width:88%;max-width:390px;z-index:80;
  background:var(--card);transform:translateX(100%);
  transition:transform 300ms var(--ease);
  display:flex;flex-direction:column;padding:22px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,20,19,.45);z-index:70;
  opacity:0;visibility:hidden;transition:opacity 260ms var(--ease),visibility 260ms var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
body.is-locked{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-nav ul{list-style:none}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;height:52px;border-bottom:1px solid var(--line);color:var(--ink-2);font-size:16px}
.drawer-nav a::after{content:"›";color:var(--muted)}
.drawer-nav a.is-active{color:var(--bamboo);font-weight:600}
.drawer-foot{margin-top:26px;display:grid;gap:12px}
.drawer-tel{font-size:15px;color:var(--muted);margin:0}
.drawer-tel a{color:var(--bamboo);font-weight:600}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:20px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;list-style:none;font-size:14px;letter-spacing:.02em;color:var(--muted)}
.breadcrumb li{display:flex;align-items:center}
.breadcrumb li+li::before{content:"/";margin:0 10px;color:#B8C2BE}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--bamboo-2)}
.breadcrumb [aria-current]{color:var(--ink)}

/* ---------- hero ---------- */
.hero-cat{padding:44px 0 84px}
.hero-grid{display:flex;flex-wrap:wrap;align-items:center;gap:56px}
.hero-copy{flex:1 1 520px;width:auto;min-width:0}
.hero-visual{position:relative;flex:1 1 400px;width:auto;min-width:0}
.eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0 0 16px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--bamboo-2)}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--sprout)}
.hero-cat h1{font-size:clamp(38px,5.2vw,64px);font-weight:800;line-height:1.15;letter-spacing:-.01em;color:var(--ink);margin-bottom:22px}
.hero-sub{max-width:560px;font-size:18px;line-height:1.85;color:var(--muted);margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-facts{display:flex;flex-wrap:wrap;gap:40px;list-style:none;border-top:1px solid var(--line);padding-top:24px}
.hero-facts li{display:flex;flex-direction:column;gap:2px}
.hero-facts strong{font-size:32px;font-weight:700;line-height:1.1;color:var(--bamboo);font-variant-numeric:tabular-nums}
.hero-facts span{font-size:14px;color:var(--muted);letter-spacing:.02em}
.hero-visual::after{content:"";position:absolute;left:-26px;top:26px;width:120px;height:2px;background:var(--sprout)}
.hero-visual img{width:100%;border-radius:var(--r-img);object-fit:cover;aspect-ratio:4/3}
.float-card{
  position:absolute;left:-28px;bottom:34px;max-width:250px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 18px;box-shadow:0 12px 32px rgba(16,20,19,.08);
}
.float-card p{margin:8px 0 0;font-size:14px;line-height:1.7;color:var(--ink-2)}

/* ---------- sections ---------- */
.section{padding:var(--sec-pad) 0}
.section-soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:48px}
.section-head h2{position:relative;padding-top:22px;font-size:clamp(28px,3.4vw,38px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.section-head h2::before{content:"";position:absolute;top:0;left:0;width:48px;height:4px;border-radius:2px;background:var(--sprout);transform-origin:left}
html.js .section-head h2::before{transform:scaleX(0);transition:transform 320ms var(--ease)}
html.js .section-head.is-in h2::before{transform:scaleX(1)}
.section-lead{margin:18px 0 0;font-size:17px;line-height:1.9;color:var(--muted);max-width:760px}

/* ---------- mosaic ---------- */
.mosaic{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:172px;gap:20px}
.mosaic-item{position:relative;margin:0;overflow:hidden;border:1px solid var(--line);border-radius:var(--r-img);background:var(--soft)}
.mosaic-item img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.mosaic-item:hover img{transform:scale(1.03)}
.mosaic-lg{grid-column:span 2;grid-row:span 2}
.mosaic-item figcaption{
  position:absolute;left:0;right:0;bottom:0;display:flex;flex-direction:column;gap:2px;
  padding:16px 18px;color:#fff;background:linear-gradient(to top,rgba(16,20,19,.86),rgba(16,20,19,0));
}
.mosaic-item figcaption span{font-size:18px;font-weight:600}
.mosaic-item figcaption em{font-style:normal;font-size:13px;letter-spacing:.02em;color:rgba(255,255,255,.8)}

/* ---------- spec list ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.spec{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 26px 24px;transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.spec:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D6DAD1}
.spec dt{font-size:14px;letter-spacing:.02em;color:var(--muted);margin-bottom:10px}
.spec dd{margin:0;font-size:17px;line-height:1.8;color:var(--ink-2);font-weight:500}

/* ---------- scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.scene img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scene-body{padding:24px 26px 26px}
.scene-body h3{font-size:21px;font-weight:600;margin-bottom:10px}
.scene-body p{margin:0 0 16px;font-size:16px;line-height:1.85;color:var(--muted)}
.scene-meta{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.step{position:relative;padding-top:28px;border-top:1px solid var(--line)}
.step::before{content:"";position:absolute;top:-1px;left:0;width:48px;height:3px;background:var(--sprout)}
.step-num{display:block;font-size:40px;font-weight:700;line-height:1;color:var(--bamboo);font-variant-numeric:tabular-nums;margin-bottom:14px}
.step h3{font-size:19px;font-weight:600;margin-bottom:8px}
.step p{margin:0;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- cta band ---------- */
.cta-band{background:var(--bamboo);color:#fff;padding:64px 0}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px}
.cta-inner h2{color:#fff;font-size:clamp(24px,2.9vw,32px);font-weight:700;line-height:1.3;margin-bottom:12px}
.cta-inner p{margin:0;max-width:620px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.82)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.55)}
.cta-band .btn-ghost:hover,.cta-band .btn-ghost:focus{background:rgba(255,255,255,.14);color:#fff}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:.85fr 1.35fr;gap:56px;align-items:start}
.faq-side{position:sticky;top:96px}
.faq-side h2{position:relative;padding-top:22px;font-size:clamp(26px,3vw,34px);font-weight:700;line-height:1.3}
.faq-side h2::before{content:"";position:absolute;top:0;left:0;width:48px;height:4px;border-radius:2px;background:var(--sprout)}
.faq-side p{margin:18px 0 0;font-size:16px;line-height:1.9;color:var(--muted)}
.faq-list{border-bottom:1px solid var(--line)}
.faq-item{border-top:1px solid var(--line);transition:border-color 260ms var(--ease)}
.faq-item[open]{border-top-color:var(--bamboo)}
.faq-item summary{
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:20px 0;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:0 0 auto;font-size:22px;line-height:1.2;color:var(--bamboo-2);transition:transform 240ms var(--ease)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{margin:0 0 22px;max-width:640px;font-size:15px;line-height:1.9;color:var(--muted)}

/* ---------- footer ---------- */
.site-footer{background:var(--bamboo);color:#CBD8D0;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.site-footer .brand{color:#fff}
.site-footer .brand:hover{color:#fff}
.site-footer .brand-text em{color:var(--sprout)}
.site-footer .brand-mark,.site-footer .brand-mark::before,.site-footer .brand-mark::after{background:#fff}
.footer-brand p{margin:18px 0 0;max-width:340px;font-size:15px;line-height:1.85;color:#B6C6BD}
.footer-tel{margin-top:14px}
.footer-tel a{color:var(--sprout);font-weight:600}
.footer-col h3{font-size:15px;font-weight:600;letter-spacing:.04em;color:#fff;margin-bottom:16px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{font-size:15px;color:#C6D5CC}
.footer-col a:hover{color:var(--sprout)}
.footer-col span{font-size:15px;color:#A9BAB1}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  border-top:1px solid rgba(255,255,255,.16);padding:20px 0 28px;
  font-size:14px;color:#9FB2A9;
}
.footer-bottom p{margin:0}

/* ---------- reveal ---------- */
html.js .reveal{opacity:0;transform:translateY(16px);transition:opacity 400ms var(--ease),transform 400ms var(--ease)}
html.js .reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--sec-pad:80px}
}
@media (max-width:1023px){
  .nav-menu{display:none}
  .header-left{flex:1 1 auto;gap:0}
  .header-right .btn{display:none}
  .nav-toggle{display:inline-flex}
  .spec-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .faq-grid{grid-template-columns:1fr;gap:36px}
  .faq-side{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .float-card{left:16px;bottom:16px}
  .hero-visual::after{display:none}
}
@media (max-width:767px){
  :root{--sec-pad:60px}
  .wrap{padding:0 18px}
  .header-split{padding:0 18px;gap:14px}
  body{font-size:16px}
  .hero-cat{padding:28px 0 56px}
  .hero-grid{gap:34px}
  .hero-facts{gap:26px}
  .hero-facts strong{font-size:26px}
  .mosaic{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px}
  .mosaic-lg{grid-column:span 2;grid-row:span 2}
  .spec-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:22px}
  .cta-band{padding:48px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:519px){
  .hero-cat h1{font-size:34px}
  .mosaic{grid-template-columns:1fr;grid-auto-rows:180px}
  .mosaic-lg{grid-column:span 1;grid-row:span 1}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html.js .reveal{opacity:1;transform:none}
  html.js .section-head h2::before{transform:scaleX(1)}
}

/* roulang page: category2 */
:root{
  --ink:#101413;
  --ink-2:#2A3431;
  --muted:#5A6663;
  --green:#1E4A3C;
  --green-2:#2F7A5F;
  --green-deep:#163A2F;
  --bamboo:#A8C93A;
  --paper:#F7F7F2;
  --card:#FFFFFF;
  --soft:#F2F5F1;
  --line:#E3E4DD;
  --r-card:12px;
  --r-img:10px;
  --r-btn:8px;
  --shadow-hover:0 12px 32px rgba(16,20,19,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background-color:var(--paper);
  background-image:repeating-linear-gradient(90deg,rgba(30,74,60,.025) 0,rgba(30,74,60,.025) 1px,transparent 1px,transparent 104px);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto;border-radius:var(--r-img)}
a{color:var(--green-2);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--green)}
h1,h2,h3,h4,p,ul,ol,figure,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--bamboo);outline-offset:2px}
::selection{background:rgba(168,201,58,.35);color:var(--ink)}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.wrap{max-width:1280px}}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;line-height:1;
  border:1px solid transparent;text-decoration:none;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-main{background:var(--green);color:#fff}
.btn-main:hover{background:var(--green-deep);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green)}
.btn-ghost:hover{background:rgba(30,74,60,.08);color:var(--green)}
.btn-sm{height:38px;min-height:38px;padding:0 16px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;font-size:15px;font-weight:600;color:var(--green)}
.link-arrow::after{content:"→";margin-left:6px;transition:transform .22s var(--ease)}
.link-arrow:hover::after{transform:translateX(3px)}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(247,247,242,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,20,19,.06)}
.header-inner{display:flex;align-items:center;gap:32px;height:var(--nav-h)}
.header-content{flex:0 0 55%;display:flex;align-items:center;gap:40px;min-width:0}
.header-side{flex:1;display:flex;align-items:center;justify-content:flex-end;gap:10px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{position:relative;width:20px;height:20px;border-radius:50% 50% 46% 46%;background:var(--ink);flex:0 0 auto}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;top:-5px;width:9px;height:9px;border-radius:50%;background:var(--ink)}
.brand-mark::before{left:-2px}
.brand-mark::after{right:-2px;background:var(--green)}
.brand-text{font-size:21px;font-weight:800;letter-spacing:-.015em;color:var(--ink);line-height:1}
.brand-text em{font-style:normal;color:var(--green-2)}
.nav-menu ul{display:flex;align-items:center;gap:28px}
.nav-menu a{position:relative;display:inline-block;padding:6px 0;font-size:16px;color:var(--ink-2)}
.nav-menu a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--bamboo);transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease)}
.nav-menu a:hover{color:var(--green)}
.nav-menu a.is-active{color:var(--green);font-weight:600}
.nav-menu a.is-active::after{transform:scaleX(1)}
.search-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--green);transition:border-color .22s var(--ease),background .22s var(--ease)}
.search-btn:hover{border-color:var(--green);background:var(--soft)}
.search-btn svg{width:18px;height:18px}
.search-bar{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.search-bar.is-open{max-height:78px}
.search-bar form{display:flex;align-items:center;gap:12px;padding:14px 24px;max-width:1200px;margin:0 auto}
.search-bar input{flex:1;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 14px;background:var(--paper)}
.search-bar input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(47,122,95,.12)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--ink)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ===== 移动抽屉 ===== */
.drawer-mask{position:fixed;inset:0;background:rgba(16,20,19,.42);opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s;z-index:110}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;width:88%;max-width:380px;height:100%;background:var(--paper);z-index:120;transform:translateX(100%);transition:transform .32s var(--ease);display:flex;flex-direction:column;padding:20px 22px 28px;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink);border:1px solid var(--line);border-radius:50%;background:#fff}
.drawer-nav{margin:8px 0 22px}
.drawer-nav a{display:flex;align-items:center;height:52px;font-size:16px;color:var(--ink-2);border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--green);font-weight:600}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.drawer-foot .btn{width:100%}

/* ===== 面包屑 ===== */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;letter-spacing:.02em;color:var(--muted);padding:26px 0 0}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--line)}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--green)}
.crumbs .current{color:var(--ink)}

/* ===== Hero ===== */
.hero{padding-bottom:8px}
.hero-split{display:grid;grid-template-columns:55% 45%;align-items:center;gap:48px;padding:32px 0 56px;border-bottom:1px solid var(--line)}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:14px;letter-spacing:.04em;color:var(--muted)}
.eyebrow-line{display:block;width:32px;height:3px;background:var(--bamboo);border-radius:2px}
.hero h1{margin:16px 0 18px;font-size:clamp(34px,4.4vw,54px);font-weight:800;line-height:1.15;letter-spacing:-.01em;color:var(--ink)}
.hero-sub{max-width:560px;font-size:17px;line-height:1.9;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;padding-top:24px;border-top:1px solid var(--line)}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats strong{font-size:24px;font-weight:700;color:var(--green);letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.hero-stats span{font-size:13px;color:var(--muted);letter-spacing:.02em}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);margin-right:calc(50% - 50vw)}
.hero-media::after{content:"";position:absolute;left:-26px;bottom:34px;width:64px;height:4px;background:var(--bamboo);border-radius:2px}

/* ===== 板块通用 ===== */
.section{padding:88px 0}
.section.alt{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head h2{position:relative;padding-left:0;font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--ink)}
.sec-head h2::after{content:"";display:block;width:48px;height:4px;background:var(--bamboo);border-radius:2px;margin-top:16px;transform-origin:left;transform:scaleX(0);transition:transform .32s var(--ease)}
.sec-head.is-visible h2::after{transform:scaleX(1)}
.sec-head p{margin-top:18px;font-size:16px;line-height:1.9;color:var(--muted)}

/* ===== 课程筛选与卡片 ===== */
.course-layout{display:grid;grid-template-columns:236px minmax(0,1fr);gap:48px;align-items:start}
.filter-rail{position:sticky;top:calc(var(--nav-h) + 24px)}
.filter-rail h3{font-size:15px;font-weight:600;letter-spacing:.02em;color:var(--ink);margin-bottom:14px}
.filter-list{display:flex;flex-direction:column;gap:6px;border-top:1px solid var(--line);padding-top:16px}
.filter-btn{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:44px;padding:0 12px;border-radius:var(--r-btn);font-size:15px;color:var(--ink-2);text-align:left;transition:background .22s var(--ease),color .22s var(--ease)}
.filter-btn:hover{background:rgba(30,74,60,.06);color:var(--green)}
.filter-btn.is-active{background:var(--green);color:#fff;font-weight:600}
.filter-note{margin-top:20px;padding:18px;border:1px solid var(--line);border-radius:var(--r-card);background:#fff}
.filter-note p{font-size:14px;line-height:1.8;color:var(--muted)}
.filter-note strong{display:block;font-size:15px;color:var(--ink);margin-bottom:6px}

.course-grid{margin-bottom:0}
.course-cell{margin-bottom:24px}
.course-card{display:flex;flex-direction:column;height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.course-card figure{overflow:hidden;margin:0}
.course-card figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform .4s var(--ease)}
.course-card:hover figure img{transform:scale(1.03)}
.course-body{padding:24px;display:flex;flex-direction:column;flex:1}
.badge{display:inline-flex;align-items:center;align-self:flex-start;height:26px;padding:0 12px;border-radius:999px;background:var(--soft);color:var(--green);font-size:13px;letter-spacing:.02em}
.badge.accent{background:var(--bamboo);color:var(--ink)}
.course-body h3{margin:14px 0 10px;font-size:20px;font-weight:600;line-height:1.4;color:var(--ink)}
.course-body p{font-size:15px;line-height:1.85;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.course-meta{display:flex;flex-wrap:wrap;gap:8px 16px;margin:18px 0 20px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;letter-spacing:.02em;color:var(--muted)}
.course-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}
.is-hidden{display:none !important}

/* ===== 流程时间轴 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px}
.step{position:relative;padding:0 28px 0 0}
.step::before{content:"";position:absolute;left:0;top:16px;width:100%;height:1px;background:var(--line)}
.step:last-child::before{background:linear-gradient(90deg,var(--line),transparent)}
.step-num{position:relative;display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--paper);border:1px solid var(--green);color:var(--green);font-size:14px;font-weight:700;letter-spacing:.02em}
.section.alt .step-num{background:var(--soft)}
.step h3{margin:20px 0 10px;font-size:19px;font-weight:600;color:var(--ink);line-height:1.4}
.step p{font-size:15px;line-height:1.85;color:var(--muted);max-width:260px}

/* ===== 教练与场地 ===== */
.support{display:grid;grid-template-columns:45% 55%;gap:56px;align-items:center}
.support figure{margin:0}
.support figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.support-list{margin-top:8px}
.support-list li{display:flex;gap:18px;padding:20px 0;border-top:1px solid var(--line)}
.support-list li:last-child{border-bottom:1px solid var(--line)}
.support-list .idx{flex:0 0 auto;font-size:14px;font-weight:700;color:var(--green);letter-spacing:.06em;padding-top:4px}
.support-list h3{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:6px}
.support-list p{font-size:15px;line-height:1.85;color:var(--muted)}

/* ===== 数据条 ===== */
.stats-band{
  position:relative;color:#fff;background:var(--green);
  background-image:linear-gradient(rgba(30,74,60,.92),rgba(22,58,47,.94)),url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
  padding:72px 0;
}
.stats-band .band-title{font-size:clamp(20px,2.2vw,26px);font-weight:700;color:#fff;letter-spacing:-.01em;margin-bottom:40px;max-width:520px;line-height:1.4}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:0 28px;border-left:1px solid rgba(255,255,255,.18)}
.stat:first-child{padding-left:0;border-left:0}
.stat .num{display:block;font-size:clamp(34px,4vw,52px);font-weight:700;line-height:1.05;color:var(--bamboo);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat .label{display:block;margin-top:10px;font-size:14px;letter-spacing:.03em;color:rgba(255,255,255,.78)}

/* ===== FAQ ===== */
.faq-layout{display:grid;grid-template-columns:36% 64%;gap:56px;align-items:start}
.faq-side{position:sticky;top:calc(var(--nav-h) + 24px)}
.faq-side h2{position:relative;font-size:clamp(26px,3vw,36px);font-weight:700;line-height:1.25;color:var(--ink)}
.faq-side h2::after{content:"";display:block;width:48px;height:4px;background:var(--bamboo);border-radius:2px;margin-top:16px}
.faq-side p{margin-top:18px;font-size:15px;line-height:1.9;color:var(--muted)}
.faq-list{border-bottom:1px solid var(--line)}
.accordion-item{border-top:1px solid var(--line);transition:border-color .3s var(--ease)}
.accordion-item.is-active{border-top-color:var(--green)}
.accordion-title{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;font-size:17px;font-weight:600;color:var(--ink);line-height:1.5}
.accordion-title:hover{color:var(--green)}
.accordion-title::after{content:"";flex:0 0 auto;width:12px;height:12px;border-right:2px solid var(--green-2);border-bottom:2px solid var(--green-2);transform:rotate(45deg);transition:transform .3s var(--ease)}
.accordion-item.is-active .accordion-title::after{transform:rotate(225deg)}
.accordion-content{display:none;padding:0 0 22px;font-size:15px;line-height:1.9;color:var(--muted);max-width:660px}
.accordion-item.is-active .accordion-content{display:block}

/* ===== CTA 与表单 ===== */
.cta-band{background:var(--green);color:#fff;padding:80px 0}
.cta-grid{display:grid;grid-template-columns:1fr 460px;gap:56px;align-items:center}
.cta-band h2{font-size:clamp(26px,3vw,36px);font-weight:700;line-height:1.28;color:#fff;letter-spacing:-.01em}
.cta-band .cta-text{margin-top:18px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.8);max-width:520px}
.cta-contact{display:flex;flex-wrap:wrap;gap:24px;margin-top:30px;font-size:15px;color:rgba(255,255,255,.86)}
.cta-contact a{color:#fff;border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:2px}
.cta-contact a:hover{color:var(--bamboo);border-color:var(--bamboo)}
.form-card{background:#fff;border-radius:var(--r-card);padding:32px;border:1px solid rgba(255,255,255,.16)}
.form-card h3{font-size:20px;font-weight:600;color:var(--ink);margin-bottom:6px}
.form-card .form-tip{font-size:14px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px}
.field input,.field select{width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--paper);color:var(--ink);transition:border-color .22s var(--ease),box-shadow .22s var(--ease)}
.field input:focus,.field select:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(47,122,95,.14)}
.form-card .btn{width:100%}
.form-msg{margin-top:14px;font-size:14px;color:var(--green-2);display:none}
.form-msg.is-show{display:block}
.form-note{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.7}

/* ===== 页脚 ===== */
.site-footer{background:var(--green-deep);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand .brand-mark{background:#fff}
.footer-brand .brand-mark::before{background:#fff}
.footer-brand .brand-mark::after{background:var(--bamboo)}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text em{color:var(--bamboo)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:320px}
.footer-tel{margin-top:12px;font-size:14px;color:rgba(255,255,255,.68)}
.footer-tel a{color:#fff}
.footer-tel a:hover{color:var(--bamboo)}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col li{margin-bottom:12px;font-size:14px}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--bamboo)}
.footer-col span{color:rgba(255,255,255,.6)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:24px;border-top:1px solid rgba(255,255,255,.16);font-size:13px;color:rgba(255,255,255,.58)}
.site-footer .footer-col li{list-style:none}

/* ===== 动效 ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
.reveal.d1{transition-delay:.06s}
.reveal.d2{transition-delay:.12s}
.reveal.d3{transition-delay:.18s}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .course-layout{gap:36px}
}
@media (max-width:1199px){
  .header-content{flex:0 0 52%}
  .nav-menu ul{gap:20px}
}
@media (max-width:1023px){
  :root{--nav-h:56px}
  .header-content{flex:1;gap:20px}
  .nav-menu{display:none}
  .header-side .btn-main{display:none}
  .nav-toggle{display:inline-flex}
  .search-bar form{padding:12px 18px}
  .hero-split{grid-template-columns:1fr;gap:32px;padding:24px 0 44px}
  .hero-media img{margin-right:0;aspect-ratio:16/10}
  .hero-media::after{display:none}
  .section{padding:64px 0}
  .course-layout{grid-template-columns:1fr;gap:28px}
  .filter-rail{position:static}
  .filter-list{flex-direction:row;flex-wrap:wrap;gap:8px;border-top:0;padding-top:0}
  .filter-btn{width:auto;padding:0 16px;border:1px solid var(--line);background:#fff}
  .filter-btn:hover{background:var(--soft)}
  .filter-btn.is-active{background:var(--green);border-color:var(--green)}
  .filter-note{display:none}
  .steps{grid-template-columns:repeat(2,1fr);gap:36px 0}
  .step::before{display:none}
  .support{grid-template-columns:1fr;gap:32px}
  .stats-row{grid-template-columns:repeat(2,1fr);gap:36px 0}
  .stat:nth-child(3){padding-left:0;border-left:0}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-side{position:static}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:639px){
  .wrap{padding:0 18px}
  .brand-text{font-size:19px}
  .hero h1{font-size:30px}
  .hero-stats{gap:24px}
  .hero-stats li{min-width:88px}
  .hero-actions .btn{width:100%}
  .course-body{padding:20px}
  .steps{grid-template-columns:1fr;gap:28px}
  .step{padding-right:0}
  .step p{max-width:100%}
  .stats-row{grid-template-columns:1fr 1fr}
  .stat{padding:0 18px}
  .stats-band{padding:56px 0}
  .cta-band{padding:56px 0}
  .form-card{padding:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  .sec-head h2::after{transform:scaleX(1)}
}

/* roulang page: category3 */
:root{
  --ink:#101413;
  --ink-2:#2A3431;
  --muted:#5A6663;
  --green:#1E4A3C;
  --green-dark:#163A2F;
  --green-light:#2F7A5F;
  --bamboo:#A8C93A;
  --paper:#F7F7F2;
  --card:#FFFFFF;
  --soft:#F2F5F1;
  --line:#E3E4DD;
  --r-card:12px;
  --r-img:10px;
  --r-btn:8px;
  --shadow-hover:0 12px 32px rgba(16,20,19,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background-color:var(--paper);
  background-image:repeating-linear-gradient(90deg,rgba(30,74,60,.03) 0 1px,transparent 1px 96px);
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--green-light);text-decoration:none;transition:color .2s var(--ease);}
a:hover,a:focus{color:var(--green);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--bamboo);outline-offset:2px;}
.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;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1280px){.wrap{max-width:1280px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,247,242,.95);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,20,19,.06);}
.header-inner{
  display:grid;
  grid-template-columns:55fr 45fr;
  align-items:center;
  gap:24px;
  min-height:var(--nav-h);
}
.header-main{display:flex;align-items:center;gap:36px;min-width:0;}
.header-side{display:flex;align-items:center;justify-content:flex-end;gap:14px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;letter-spacing:-.01em;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:20px;height:20px;border-radius:50% 50% 46% 46%;
  background:
    radial-gradient(circle at 32% 40%, var(--paper) 0 3px, transparent 3.5px),
    radial-gradient(circle at 68% 40%, var(--paper) 0 3px, transparent 3.5px),
    var(--ink);
  position:relative;flex:none;
}
.brand-mark::after{
  content:"";position:absolute;right:-6px;bottom:-4px;width:8px;height:8px;border-radius:0 8px 0 8px;
  background:var(--bamboo);
}
.brand-text{font-size:20px;line-height:1;white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--green);}
.nav-menu{min-width:0;}
.nav-menu ul{display:flex;align-items:center;gap:26px;}
.nav-menu a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:16px;color:var(--ink-2);white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--bamboo);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-menu a:hover{color:var(--green);}
.nav-menu a:hover::after,.nav-menu a.is-active::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--green);font-weight:600;}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:var(--r-btn);
  color:var(--ink-2);cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{border-color:var(--green-light);color:var(--green);background:rgba(47,122,95,.06);}
.icon-btn svg{width:18px;height:18px;}
.burger{
  display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:transparent;border:1px solid var(--line);border-radius:var(--r-btn);cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink-2);transition:transform .2s var(--ease);}
.burger:hover{border-color:var(--green-light);}
.header-search{
  max-height:0;overflow:hidden;
  transition:max-height .28s var(--ease);
  background:rgba(242,245,241,.9);
}
.header-search.is-open{max-height:120px;border-top:1px solid var(--line);}
.search-form{display:flex;align-items:center;gap:12px;padding:14px 0;}
.search-form input{
  flex:1;height:46px;padding:0 16px;font-size:15px;color:var(--ink);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-btn);
  transition:border-color .2s var(--ease);
}
.search-form input:focus{border-color:var(--green);outline:none;box-shadow:0 0 0 3px rgba(30,74,60,.08);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn-primary{background:var(--green);color:#fff;}
.btn-primary:hover{background:var(--green-dark);color:#fff;transform:translateY(-2px);}
.btn-ghost{border-color:var(--green);color:var(--green);background:transparent;}
.btn-ghost:hover{background:rgba(30,74,60,.08);color:var(--green-dark);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--green);font-weight:600;font-size:15px;
  transition:transform .22s var(--ease),color .22s var(--ease);
}
.btn-text::after{content:"→";font-size:15px;transition:transform .22s var(--ease);}
.btn-text:hover{color:var(--green-dark);}
.btn-text:hover::after{transform:translateX(3px);}

/* ---------- 面包屑 ---------- */
.crumb{font-size:14px;color:var(--muted);letter-spacing:.02em;padding:26px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li::after{content:"/";margin-left:8px;color:#C3C8C2;}
.crumb li:last-child::after{content:"";margin:0;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--green);}
.crumb .current{color:var(--ink);}

/* ---------- Hero ---------- */
.hero{padding:40px 0 76px;}
.hero-grid{display:grid;grid-template-columns:55fr 45fr;gap:48px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:14px;color:var(--green);letter-spacing:.06em;font-weight:600;}
.eyebrow::before{content:"";width:28px;height:3px;background:var(--bamboo);display:block;}
.hero h1{
  margin:18px 0 0;
  font-size:clamp(34px,4.6vw,56px);
  font-weight:800;line-height:1.15;letter-spacing:-.01em;
}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.9;color:var(--muted);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);}
.hero-stats div span{display:block;font-size:15px;color:var(--muted);margin-top:4px;}
.hero-stats strong{
  font-family:"Barlow","DIN Alternate",system-ui,sans-serif;
  font-size:38px;font-weight:700;color:var(--green);letter-spacing:-.02em;line-height:1;
}
.hero-visual{position:relative;}
.hero-visual img{width:100%;height:380px;object-fit:cover;border-radius:var(--r-img);}
.hero-visual::after{
  content:"";position:absolute;left:-18px;top:36px;width:3px;height:96px;background:var(--bamboo);
}
.float-card{
  position:absolute;left:22px;bottom:22px;right:22px;
  background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 18px;backdrop-filter:blur(4px);
}
.float-card strong{display:block;font-size:16px;color:var(--ink);}
.float-card span{font-size:14px;color:var(--muted);}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section-soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{font-size:clamp(28px,3.2vw,38px);font-weight:700;}
.section-head h2::after{
  content:"";display:block;width:48px;height:4px;background:var(--bamboo);margin-top:16px;
  transform:scaleX(0);transform-origin:left;transition:transform .32s var(--ease);
}
.section-head.in-view h2::after{transform:scaleX(1);}
.section-head p{margin-top:18px;font-size:16px;color:var(--muted);}

/* ---------- 卡片 ---------- */
.card-grid{margin-top:8px;}
.card{
  height:100%;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D6DAD2;}
.card-media{overflow:hidden;border-radius:var(--r-img);margin-bottom:20px;}
.card-media img{width:100%;height:190px;object-fit:cover;transition:transform .32s var(--ease);}
.card:hover .card-media img{transform:scale(1.03);}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:var(--soft);color:var(--green);font-size:13px;line-height:1.6;
}
.badge-accent{background:var(--bamboo);color:var(--ink);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.card h3{font-size:21px;font-weight:600;margin-bottom:10px;}
.card p{font-size:15px;color:var(--muted);line-height:1.8;}
.card-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);letter-spacing:.02em;}

/* ---------- 时间轴 ---------- */
.tl-group{margin-bottom:56px;}
.tl-group:last-child{margin-bottom:0;}
.tl-group-title{font-size:20px;font-weight:600;color:var(--green);margin-bottom:26px;display:flex;align-items:center;gap:12px;}
.tl-group-title::after{content:"";flex:1;height:1px;background:var(--line);}
.tl-list{border-left:1px solid var(--line);padding-left:34px;}
.tl-item{position:relative;padding-bottom:34px;display:grid;grid-template-columns:120px 1fr;gap:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-40px;top:8px;width:11px;height:11px;border-radius:50%;
  background:var(--bamboo);border:2px solid var(--paper);
}
.tl-date{font-size:14px;color:var(--muted);line-height:1.6;}
.tl-date strong{display:block;font-size:17px;font-weight:700;color:var(--ink);font-family:"Barlow","DIN Alternate",system-ui,sans-serif;letter-spacing:.01em;}
.tl-body h4{font-size:19px;font-weight:600;margin-bottom:8px;}
.tl-body p{font-size:15px;color:var(--muted);margin-bottom:12px;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.step{padding:0 26px;border-left:1px solid var(--line);}
.step:first-child{border-left:0;padding-left:0;}
.step-num{
  font-family:"Barlow","DIN Alternate",system-ui,sans-serif;
  font-size:44px;font-weight:700;color:var(--bamboo);line-height:1;
}
.step h3{font-size:19px;font-weight:600;margin:16px 0 10px;}
.step p{font-size:15px;color:var(--muted);}

/* ---------- 数据条 ---------- */
.figures{background:var(--green);color:#E8EFEA;padding:72px 0;}
.figures .tagline{
  font-size:17px;color:#CFE0D7;margin-bottom:40px;max-width:520px;line-height:1.8;
}
.figure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.figure{padding:0 28px;border-left:1px solid rgba(255,255,255,.18);}
.figure:first-child{border-left:0;padding-left:0;}
.figure strong{
  display:block;font-family:"Barlow","DIN Alternate",system-ui,sans-serif;
  font-size:48px;font-weight:700;color:#fff;line-height:1.05;letter-spacing:-.02em;
}
.figure strong em{font-style:normal;color:var(--bamboo);}
.figure span{display:block;margin-top:10px;font-size:15px;color:#C6D6CD;}

/* ---------- 服务列表 ---------- */
.svc-list li{border-top:1px solid var(--line);}
.svc-list li:last-child{border-bottom:1px solid var(--line);}
.svc-list a{
  display:flex;align-items:center;gap:20px;padding:24px 0;
  color:var(--ink);font-size:17px;font-weight:600;
}
.svc-list .idx{
  font-family:"Barlow","DIN Alternate",system-ui,sans-serif;
  font-size:16px;font-weight:700;color:var(--muted);min-width:32px;transition:color .22s var(--ease);
}
.svc-list .desc{flex:1;font-size:15px;font-weight:400;color:var(--muted);}
.svc-list .arrow{color:var(--green-light);transition:transform .22s var(--ease);}
.svc-list a:hover .idx{color:var(--bamboo);}
.svc-list a:hover .arrow{transform:translateX(3px);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:38fr 62fr;gap:56px;align-items:start;}
.faq-aside{position:sticky;top:104px;}
.faq-aside h2{font-size:clamp(28px,3.2vw,38px);}
.faq-aside h2::after{content:"";display:block;width:48px;height:4px;background:var(--bamboo);margin-top:16px;}
.faq-aside p{margin-top:18px;font-size:15px;color:var(--muted);}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);transition:border-color .22s var(--ease);}
.faq-item.is-open{border-color:var(--green);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);
}
.faq-q .plus{
  flex:none;width:22px;height:22px;position:relative;
  transition:transform .28s var(--ease);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--green-light);transform:translate(-50%,-50%);
}
.faq-q .plus::before{width:14px;height:2px;}
.faq-q .plus::after{width:2px;height:14px;}
.faq-item.is-open .plus{transform:rotate(45deg);}
.faq-panel{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-panel p{padding:0 0 22px;font-size:15px;line-height:1.9;color:var(--muted);max-width:640px;}

/* ---------- CTA ---------- */
.cta-band{background:var(--green-dark);color:#E9F0EC;padding:72px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:clamp(24px,2.8vw,32px);max-width:640px;line-height:1.35;}
.cta-band p{margin-top:14px;color:#C6D6CD;font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C8CFCB;padding:72px 0 28px;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand{color:#F7F7F2;margin-bottom:18px;}
.footer-brand .brand-text em{color:var(--bamboo);}
.footer-brand p{font-size:15px;line-height:1.8;color:#A7B0AC;max-width:340px;}
.footer-tel{margin-top:16px;}
.footer-tel a{color:var(--bamboo);font-weight:600;}
.footer-col{border-left:1px solid rgba(255,255,255,.12);padding-left:28px;}
.footer-col h3{font-size:16px;color:#F7F7F2;margin-bottom:18px;font-weight:600;}
.footer-col li{margin-bottom:12px;}
.footer-col a{color:#A7B0AC;}
.footer-col a:hover{color:var(--bamboo);}
.footer-col span{color:#A7B0AC;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:#8D9793;
}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(16,20,19,.45);z-index:90;opacity:0;transition:opacity .22s var(--ease);}
.drawer-mask.is-open{opacity:1;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:88%;max-width:360px;z-index:100;
  background:var(--paper);transform:translateX(100%);
  transition:transform .28s var(--ease);padding:22px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head span{font-weight:700;color:var(--ink);}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:transparent;font-size:22px;line-height:1;color:var(--ink-2);cursor:pointer;
}
.drawer-list li{border-bottom:1px solid var(--line);}
.drawer-list a{display:flex;align-items:center;min-height:52px;color:var(--ink-2);font-size:16px;}
.drawer-list a.is-active{color:var(--green);font-weight:600;}
.drawer .btn{margin-top:24px;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .4s var(--ease),transform .4s var(--ease);}
.reveal.in-view{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .header-inner{grid-template-columns:1fr;}
  .nav-menu{display:none;}
  .burger{display:flex;}
  .hero{padding:28px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual img{height:46vh;max-height:400px;}
  .section{padding:64px 0;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .faq-aside{position:static;}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .step:nth-child(3){border-left:0;padding-left:0;}
  .figure-grid{grid-template-columns:repeat(2,1fr);gap:34px 0;}
  .figure:nth-child(3){border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .footer-col{border-left:0;padding-left:0;}
}
@media (max-width:639px){
  .wrap{padding:0 18px;}
  .hero-stats{gap:24px;}
  .hero-stats strong{font-size:32px;}
  .card-media img{height:170px;}
  .tl-item{grid-template-columns:1fr;gap:10px;}
  .steps{grid-template-columns:1fr;}
  .step{border-left:0;padding:0;}
  .figure-grid{grid-template-columns:1fr;}
  .figure{border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  .reveal,.card,.btn,.btn-text,.hero-visual img,.tl-item::before{transition:none!important;transform:none!important;opacity:1!important;}
}

/* roulang page: category4 */
:root{
  --bamboo:#1E4A3C;
  --bamboo-dark:#163A2F;
  --bamboo-2:#2F7A5F;
  --sprout:#A8C93A;
  --ink:#101413;
  --ink-2:#2A3431;
  --muted:#5A6663;
  --paper:#F7F7F2;
  --card:#FFFFFF;
  --soft:#F2F5F1;
  --line:#E3E4DD;
  --r-card:12px;
  --r-img:10px;
  --r-btn:8px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:68px;
  --shadow-hover:0 12px 32px rgba(16,20,19,.08);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background-color:var(--paper);
  background-image:repeating-linear-gradient(90deg,rgba(30,74,60,.03) 0 1px,transparent 1px 96px);
  letter-spacing:.01em;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--bamboo-2);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--bamboo)}
button{font-family:inherit}
h1,h2,h3,h4{color:var(--ink);margin:0}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--sprout);outline-offset:2px}
[id]{scroll-margin-top:96px}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.wrap{max-width:1280px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,247,242,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,20,19,.06)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:var(--nav-h);
}
.header-left{display:flex;align-items:center;gap:34px;flex:0 0 55%;min-width:0}
.header-right{display:flex;align-items:center;gap:12px;justify-content:flex-end;flex:1 1 auto}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink);letter-spacing:-.01em;flex:0 0 auto}
.brand-text{white-space:nowrap}
.brand-text em{font-style:normal;color:var(--bamboo-2)}
.brand-mark{position:relative;width:20px;height:18px;border-radius:50% 50% 45% 45%;background:var(--ink);flex:0 0 auto}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;top:-5px;width:9px;height:9px;border-radius:50%;background:var(--bamboo-2)}
.brand-mark::before{left:0}
.brand-mark::after{right:0}

.nav-menu ul{display:flex;gap:22px;list-style:none;margin:0;padding:0}
.nav-menu a{position:relative;display:inline-block;padding:22px 0;font-size:15px;color:var(--ink-2);white-space:nowrap}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:15px;height:2px;
  background:var(--sprout);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.nav-menu a:hover{color:var(--bamboo)}
.nav-menu a:hover::after,.nav-menu a.is-active::after{transform:scaleX(1)}
.nav-menu a.is-active{color:var(--bamboo);font-weight:600}

.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-btn);border:1px solid var(--line);background:var(--card);
  color:var(--ink-2);cursor:pointer;transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease);
}
.icon-btn:hover{border-color:var(--bamboo-2);color:var(--bamboo)}
.icon-btn svg{width:18px;height:18px;display:block}
.menu-toggle{display:none}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;cursor:pointer;
  transition:background-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{background:var(--bamboo);color:#fff}
.btn-primary:hover{background:var(--bamboo-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 32px rgba(16,20,19,.12)}
.btn-ghost{background:transparent;border-color:var(--bamboo);color:var(--bamboo)}
.btn-ghost:hover{background:rgba(30,74,60,.08);color:var(--bamboo)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}

.search-panel{display:none;border-top:1px solid var(--line);background:rgba(255,255,255,.92)}
.search-panel.is-open{display:block}
.search-panel form{display:flex;gap:12px;padding:14px 0}
.search-panel input{
  flex:1;height:44px;padding:0 16px;border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:15px;color:var(--ink);background:#fff;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-panel input:focus{outline:none;border-color:var(--bamboo-2);box-shadow:0 0 0 3px rgba(168,201,58,.25)}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,20,19,.42);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;z-index:80;
  background:var(--paper);padding:20px 24px 40px;overflow-y:auto;
  transform:translateX(102%);transition:transform .3s var(--ease);
  box-shadow:-12px 0 40px rgba(16,20,19,.14);
}
.drawer.is-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-list{list-style:none;margin:8px 0 24px;padding:0}
.drawer-list li{border-bottom:1px solid var(--line)}
.drawer-list a{display:flex;align-items:center;min-height:52px;font-size:16px;color:var(--ink-2)}
.drawer-list a.is-active{color:var(--bamboo);font-weight:600;box-shadow:inset 3px 0 0 var(--sprout);padding-left:12px}
.drawer .btn{width:100%}

/* ---------- Breadcrumb ---------- */
.breadcrumb{padding:26px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;font-size:14px;letter-spacing:.02em;color:var(--muted)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li::after{content:"/";color:var(--line)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--bamboo)}
.breadcrumb [aria-current="page"]{color:var(--ink)}

/* ---------- Hero ---------- */
.page-hero{padding:44px 0 72px;border-bottom:1px solid var(--line);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:55fr 45fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:13px;letter-spacing:.08em;color:var(--muted);margin-bottom:18px}
.eyebrow-line{width:32px;height:2px;background:var(--sprout);display:inline-block}
.page-hero h1{font-size:clamp(30px,3.6vw,46px);line-height:1.16;font-weight:800;letter-spacing:-.01em;margin-bottom:20px}
.hero-sub{font-size:17px;line-height:1.85;color:var(--muted);max-width:580px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-meta{display:flex;gap:40px;list-style:none;flex-wrap:wrap}
.hero-meta strong{display:block;font-size:32px;font-weight:700;color:var(--bamboo);line-height:1.15;font-variant-numeric:tabular-nums}
.hero-meta span{font-size:13px;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual img{width:100%;height:322px;object-fit:cover;border-radius:var(--r-img)}
.float-card{
  position:absolute;left:20px;bottom:20px;max-width:250px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 20px;box-shadow:0 12px 32px rgba(16,20,19,.10);
}
.float-card p{font-size:13px;color:var(--muted);margin-bottom:4px}
.float-card strong{display:block;font-size:16px;color:var(--ink);font-weight:700}

/* ---------- Section base ---------- */
.section{padding:88px 0}
.section-soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:48px}
.section-head h2{
  position:relative;font-size:clamp(26px,3.1vw,38px);font-weight:700;line-height:1.25;
  padding-bottom:16px;margin-bottom:16px;
}
.section-head h2::after{content:"";position:absolute;left:0;bottom:0;width:48px;height:4px;background:var(--sprout)}
.section-sub{font-size:16.5px;color:var(--muted)}

/* ---------- Timeline ---------- */
.timeline{display:flex;flex-direction:column;gap:56px}
.tl-group-head{display:flex;align-items:center;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.tl-season{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  background:var(--soft);color:var(--bamboo);font-size:13px;font-weight:600;letter-spacing:.04em;
}
.tl-group-head h3{font-size:20px;font-weight:600;color:var(--ink-2)}
.tl-list{list-style:none;padding-left:26px;border-left:1px solid var(--line)}
.tl-item{
  position:relative;display:grid;grid-template-columns:92px 1fr;gap:26px;
  padding:26px 0;border-top:1px solid var(--line);
}
.tl-item:first-child{border-top:0;padding-top:8px}
.tl-item::before{
  content:"";position:absolute;left:-35px;top:36px;width:11px;height:11px;border-radius:50%;
  background:var(--sprout);border:3px solid var(--paper);
}
.tl-date{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  height:74px;background:var(--bamboo);color:#fff;border-radius:var(--r-img);
}
.tl-date strong{font-size:26px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums}
.tl-date span{font-size:12px;color:rgba(255,255,255,.78);margin-top:7px}
.tl-body h4{font-size:19px;font-weight:600;margin-bottom:8px}
.tl-body p{font-size:15.5px;line-height:1.8;color:var(--muted);margin-bottom:14px;max-width:700px}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--soft);color:var(--bamboo);font-size:13px}
.tag-sprout{background:var(--sprout);color:var(--ink)}

/* ---------- Feature list (sticky left) ---------- */
.feature-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:64px;align-items:start}
.feature-side{position:sticky;top:calc(var(--nav-h) + 32px)}
.feature-side h2{position:relative;font-size:clamp(26px,3.1vw,36px);font-weight:700;line-height:1.28;padding-bottom:16px;margin-bottom:18px}
.feature-side h2::after{content:"";position:absolute;left:0;bottom:0;width:48px;height:4px;background:var(--sprout)}
.feature-side p{color:var(--muted);font-size:16px}
.feature-list{list-style:none;border-top:1px solid var(--line)}
.feature-list li{
  display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:start;
  padding:24px 0;border-bottom:1px solid var(--line);
  transition:transform .22s var(--ease);
}
.feature-list li:hover{transform:translateX(4px)}
.feature-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:32px;border-radius:var(--r-btn);
  background:var(--sprout);color:var(--ink);font-size:14px;font-weight:700;
  transition:background-color .22s var(--ease);
}
.feature-list li:hover .feature-num{background:var(--bamboo);color:#fff}
.feature-list h3{font-size:18px;font-weight:600;margin-bottom:6px}
.feature-list p{font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- Process ---------- */
.process-list{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;list-style:none}
.process-list li{position:relative;padding-top:24px;border-top:2px solid var(--line)}
.process-list li::before{content:"";position:absolute;top:-6px;left:0;width:10px;height:10px;border-radius:50%;background:var(--sprout)}
.process-num{display:block;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--bamboo-2);margin-bottom:12px}
.process-list h3{font-size:19px;font-weight:600;margin-bottom:8px}
.process-list p{font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1.35fr;gap:64px;align-items:start}
.faq-side{position:sticky;top:calc(var(--nav-h) + 32px)}
.faq-side h2{position:relative;font-size:clamp(26px,3.1vw,36px);font-weight:700;line-height:1.28;padding-bottom:16px;margin-bottom:18px}
.faq-side h2::after{content:"";position:absolute;left:0;bottom:0;width:48px;height:4px;background:var(--sprout)}
.faq-side p{color:var(--muted);font-size:16px;margin-bottom:24px}
.faq-list details{border-top:1px solid var(--line);transition:border-color .28s var(--ease)}
.faq-list details:last-child{border-bottom:1px solid var(--line)}
.faq-list details[open]{border-top-color:var(--bamboo)}
.faq-list summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:"+";font-size:22px;font-weight:400;color:var(--bamboo-2);line-height:1;
  transition:transform .28s var(--ease),color .28s var(--ease);flex:0 0 auto;
}
.faq-list details[open] summary::after{transform:rotate(45deg);color:var(--bamboo)}
.faq-list .faq-answer{padding:0 0 22px;font-size:15px;line-height:1.9;color:var(--muted);max-width:660px}

/* ---------- CTA ---------- */
.cta-band{background:var(--bamboo);padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(24px,2.8vw,34px);font-weight:700;line-height:1.3;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.78);font-size:16px;max-width:560px}
.cta-band .btn-primary{background:var(--sprout);color:var(--ink);flex:0 0 auto}
.cta-band .btn-primary:hover{background:#b9da4c;color:var(--ink)}

/* ---------- Footer ---------- */
.site-footer{background:var(--bamboo);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{background:#fff}
.footer-brand .brand-mark::before,.footer-brand .brand-mark::after{background:var(--sprout)}
.footer-brand .brand-text em{color:var(--sprout)}
.footer-brand p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.68)}
.footer-tel{margin-top:14px}
.footer-tel a{color:#fff;font-weight:600}
.footer-col h3{font-size:15px;color:#fff;font-weight:600;margin-bottom:18px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px}
.footer-col a:hover{color:var(--sprout)}
.footer-col span{font-size:14.5px;color:rgba(255,255,255,.6)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.16);padding:24px 0;font-size:13.5px;color:rgba(255,255,255,.6);
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
.reveal.d1{transition-delay:.06s}
.reveal.d2{transition-delay:.12s}
.reveal.d3{transition-delay:.18s}

/* ---------- Responsive ---------- */
@media (max-width:1079px){
  .nav-menu{display:none}
  .menu-toggle{display:inline-flex}
  .header-left{flex:1 1 auto}
}
@media (max-width:1023px){
  .header-inner{min-height:56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual img{height:262px}
  .page-hero{padding:36px 0 56px}
  .feature-grid,.faq-grid{grid-template-columns:1fr;gap:36px}
  .feature-side,.faq-side{position:static}
  .process-list{grid-template-columns:repeat(2,1fr);gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
}
@media (max-width:639px){
  .wrap{padding:0 18px}
  .section{padding:56px 0}
  .header-right .btn-sm{display:none}
  .hero-meta{gap:24px}
  .hero-meta strong{font-size:26px}
  .hero-visual img{height:220px}
  .float-card{position:static;margin-top:16px;max-width:none;box-shadow:none}
  .process-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .tl-list{padding-left:20px}
  .tl-item{grid-template-columns:1fr;gap:12px;padding:20px 0}
  .tl-item::before{left:-29px;top:30px}
  .tl-date{flex-direction:row;justify-content:flex-start;gap:8px;height:auto;width:fit-content;padding:8px 16px;border-radius:999px}
  .tl-date strong{font-size:16px}
  .tl-date span{margin-top:0}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn:hover{transform:none}
  .feature-list li:hover{transform:none}
}

/* roulang page: category5 */
:root{
  --ink:#101413;
  --ink-2:#2A3431;
  --muted:#5A6663;
  --bamboo:#1E4A3C;
  --bamboo-deep:#163A2F;
  --bamboo-2:#2F7A5F;
  --sprout:#A8C93A;
  --paper:#F7F7F2;
  --card:#FFFFFF;
  --tint:#F2F5F1;
  --line:#E3E4DD;
  --r-card:12px;
  --r-img:10px;
  --r-btn:8px;
  --shadow-hover:0 12px 32px rgba(16,20,19,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink-2);
  background-color:var(--paper);
  background-image:repeating-linear-gradient(90deg,rgba(30,74,60,.028) 0 1px,transparent 1px 104px);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--bamboo-2);text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease)}
a:hover{color:var(--bamboo)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--sprout);outline-offset:2px}
::selection{background:rgba(168,201,58,.35)}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px}
.sec{padding:96px 0}
.sec-tint{background:var(--tint);padding:96px 0}
.sec-head h2{font-size:clamp(26px,3.1vw,38px);font-weight:700;line-height:1.3;color:var(--ink)}
.sec-head h2::after{content:"";display:block;width:48px;height:4px;border-radius:2px;background:var(--sprout);margin-top:14px;transform:scaleX(0);transform-origin:left;transition:transform .32s var(--ease)}
.is-in .sec-head h2::after{transform:scaleX(1)}
.sec-head p{margin-top:18px;color:var(--muted);font-size:16.5px;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13.5px;letter-spacing:.08em;color:var(--bamboo-2);font-weight:600}
.eyebrow::before{content:"";width:28px;height:3px;border-radius:2px;background:var(--sprout)}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--tint);color:var(--bamboo);font-size:13px;font-weight:600;letter-spacing:.02em}
.badge-sprout{background:var(--sprout);color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15.5px;font-weight:600;cursor:pointer;transition:background-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.btn-primary{background:var(--bamboo);color:#fff}
.btn-primary:hover{background:var(--bamboo-deep);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(30,74,60,.18)}
.btn-ghost{background:transparent;border-color:var(--bamboo);color:var(--bamboo)}
.btn-ghost:hover{background:rgba(30,74,60,.08);color:var(--bamboo);transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14.5px}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--bamboo-2)}
.arrow-link::after{content:"→";transition:transform .22s var(--ease)}
.arrow-link:hover::after{transform:translateX(3px)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,247,242,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .28s var(--ease)}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,20,19,.06)}
.header-inner{display:flex;align-items:center;height:var(--nav-h);max-width:1280px;margin:0 auto;padding:0 24px;gap:20px}
.header-left{flex:0 0 55%;display:flex;align-items:center;gap:30px;min-width:0}
.header-right{flex:1;display:flex;align-items:center;justify-content:flex-end;gap:10px;min-width:0}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.02em;color:var(--ink);flex:none}
.brand:hover{color:var(--ink)}
.brand-mark{width:26px;height:26px;border-radius:9px;background:var(--bamboo);position:relative;flex:none}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;top:7px;width:7px;height:7px;border-radius:50%;background:var(--sprout)}
.brand-mark::before{left:5px}
.brand-mark::after{right:5px}
.brand-text em{font-style:normal;color:var(--bamboo-2)}
.nav-menu ul{display:flex;align-items:center;gap:26px}
.nav-menu a{position:relative;display:inline-block;padding:6px 0;font-size:15.5px;font-weight:500;color:var(--ink-2)}
.nav-menu a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--sprout);transform:scaleX(0);transform-origin:left;transition:transform .26s var(--ease)}
.nav-menu a:hover{color:var(--bamboo)}
.nav-menu a.is-active{color:var(--bamboo);font-weight:700}
.nav-menu a.is-active::after{transform:scaleX(1)}
.header-search{display:flex;align-items:center;gap:8px}
.header-search input[type=search]{height:40px;width:210px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;font-size:14.5px;color:var(--ink-2)}
.header-search input[type=search]:focus{border-color:var(--bamboo);outline:none}
.icon-btn{width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:border-color .22s var(--ease),color .22s var(--ease),background-color .22s var(--ease)}
.icon-btn:hover{border-color:var(--bamboo);color:var(--bamboo);background:rgba(30,74,60,.05)}
.icon-btn svg{width:19px;height:19px}
.nav-toggle{display:none}
.drawer-mask{position:fixed;inset:0;background:rgba(16,20,19,.42);z-index:70;opacity:0;pointer-events:none;transition:opacity .3s var(--ease)}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;height:100%;width:88%;max-width:380px;background:var(--paper);z-index:80;transform:translateX(102%);transition:transform .34s var(--ease);display:flex;flex-direction:column;padding:20px 22px 32px;border-left:1px solid var(--line);overflow-y:auto}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-list{margin-top:6px}
.drawer-list a{display:flex;align-items:center;justify-content:space-between;height:52px;border-bottom:1px solid var(--line);color:var(--ink-2);font-size:16px}
.drawer-list a.is-active{color:var(--bamboo);font-weight:700}
.drawer-list a::after{content:"→";color:var(--muted);font-size:14px}
.drawer-cta{margin-top:24px;width:100%}
.drawer-note{margin-top:18px;font-size:13.5px;color:var(--muted);line-height:1.8}

/* ---------- hero ---------- */
.page-hero{padding:34px 0 0;overflow:hidden}
.crumbs{font-size:13.5px;color:var(--muted);letter-spacing:.02em}
.crumbs ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumbs li+li::before{content:"/";margin-right:8px;color:#B9BFB8}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--bamboo-2)}
.crumbs .current{color:var(--ink)}
.hero-split{display:grid;grid-template-columns:55% 45%;gap:32px;align-items:center;padding:30px 0 72px}
.hero-copy h1{font-size:clamp(32px,4.4vw,54px);font-weight:800;line-height:1.16;letter-spacing:-.015em;margin:16px 0 0}
.hero-sub{margin-top:20px;font-size:17.5px;line-height:1.85;color:var(--muted);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-facts{display:flex;flex-wrap:wrap;gap:34px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.hero-facts li{font-size:13.5px;color:var(--muted)}
.hero-facts b{display:block;font-size:26px;font-weight:700;color:var(--bamboo);font-variant-numeric:tabular-nums;line-height:1.3}
.hero-media{position:relative;margin:0}
.hero-media img{width:100%;height:clamp(320px,42vw,470px);object-fit:cover;border-radius:var(--r-img)}
.hero-card{position:absolute;left:0;bottom:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;max-width:290px;box-shadow:0 12px 32px rgba(16,20,19,.1)}
.hero-card strong{display:block;margin-top:10px;font-size:16px;color:var(--ink);line-height:1.5}
.hero-card span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted)}

/* ---------- sticky list ---------- */
.split-sticky{display:grid;grid-template-columns:38% 62%;gap:48px}
.sticky-col{position:sticky;top:calc(var(--nav-h) + 32px);align-self:start}
.num-list{border-top:1px solid var(--line)}
.num-list li{display:grid;grid-template-columns:56px 1fr auto;gap:18px;align-items:start;padding:26px 0;border-bottom:1px solid var(--line);transition:padding .24s var(--ease)}
.num-list li:hover{padding-left:8px}
.num-list .num{font-size:15px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums;letter-spacing:.04em;transition:color .24s var(--ease)}
.num-list li:hover .num{color:var(--sprout)}
.num-list h3{font-size:20px;font-weight:600}
.num-list p{margin-top:8px;font-size:15.5px;color:var(--muted);line-height:1.8;max-height:0;opacity:0;overflow:hidden;transition:max-height .32s var(--ease),opacity .32s var(--ease),margin-top .32s var(--ease)}
.num-list li:hover p{max-height:110px;opacity:1}
.num-list .arrow-link{padding-top:4px;white-space:nowrap}

/* ---------- dark band ---------- */
.dark-band{background:var(--bamboo);color:#DDE7E0;padding:78px 0}
.dark-band .lead{font-size:clamp(20px,2.2vw,26px);font-weight:700;color:#fff;letter-spacing:-.01em;max-width:720px}
.dark-band .lead::after{content:"";display:block;width:48px;height:4px;border-radius:2px;background:var(--sprout);margin-top:16px}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:48px}
.stat{padding:6px 28px;border-left:1px solid rgba(255,255,255,.18)}
.stat:first-child{padding-left:0;border-left:none}
.stat-num{display:block;font-size:clamp(36px,4.4vw,54px);font-weight:700;color:var(--sprout);font-variant-numeric:tabular-nums;line-height:1.15;letter-spacing:-.02em}
.stat-label{display:block;margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.82)}

/* ---------- scene cards ---------- */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:56px}
.scene-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.scene-card figure{margin:0;overflow:hidden}
.scene-card figure img{width:100%;height:198px;object-fit:cover;border-radius:0;transition:transform .3s var(--ease)}
.scene-card:hover figure img{transform:scale(1.03)}
.scene-body{padding:24px 26px 28px}
.scene-body h3{font-size:20px;font-weight:600;margin-bottom:12px}
.scene-body p{font-size:15.5px;color:var(--muted);line-height:1.85}
.scene-body .arrow-link{margin-top:18px}

/* ---------- timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:60px;position:relative}
.timeline::before{content:"";position:absolute;top:23px;left:12px;right:12px;height:1px;background:var(--line)}
.timeline li{position:relative}
.tl-num{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:50%;background:var(--paper);border:1px solid var(--line);color:var(--bamboo);font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;position:relative;z-index:1;transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease)}
.timeline li:hover .tl-num{background:var(--sprout);border-color:var(--sprout);color:var(--ink)}
.timeline h3{font-size:19px;font-weight:600;margin-top:20px}
.timeline p{margin-top:10px;font-size:15.5px;color:var(--muted);line-height:1.82}

/* ---------- subscribe ---------- */
.sec-sub{position:relative;background:var(--tint);padding:96px 0;overflow:hidden}
.sec-sub .wave{position:absolute;left:0;right:0;top:40px;width:100%;height:120px;opacity:.5;pointer-events:none}
.sub-grid{display:grid;grid-template-columns:48% 52%;gap:56px;align-items:start;position:relative;z-index:1}
.sub-form{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:30px 30px 32px}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px;font-weight:600}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;padding:12px 14px;font-size:15.5px;color:var(--ink-2);font-family:inherit;transition:border-color .22s var(--ease),box-shadow .22s var(--ease)}
.field textarea{min-height:104px;resize:vertical;line-height:1.8}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--bamboo);box-shadow:0 0 0 3px rgba(30,74,60,.08)}
.form-note{margin-top:14px;font-size:13.5px;color:var(--muted)}
.form-status{margin-top:14px;font-size:14.5px;color:var(--bamboo-2);min-height:22px}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:34% 66%;gap:52px;align-items:start}
.faq-item{border-top:1px solid var(--line);transition:border-color .26s var(--ease)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item.is-open{border-color:var(--bamboo)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;background:transparent;border:0;padding:22px 0;font-size:17px;font-weight:600;color:var(--ink);cursor:pointer;transition:color .22s var(--ease)}
.faq-q:hover{color:var(--bamboo)}
.faq-icon{position:relative;flex:none;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--bamboo);border-radius:2px;transform:translate(-50%,-50%);transition:transform .26s var(--ease),background-color .26s var(--ease)}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-item.is-open .faq-icon::before{background:var(--sprout)}
.faq-item.is-open .faq-icon::after{background:var(--sprout)}
.faq-a{padding:0 0 24px;font-size:15px;line-height:1.9;color:var(--muted);max-width:720px}

/* ---------- cta band ---------- */
.cta-band{position:relative;background:var(--ink);color:#D8DEDB;padding:74px 0;overflow:hidden}
.cta-band .wave{position:absolute;left:0;right:0;bottom:-10px;width:100%;height:120px;opacity:.4;pointer-events:none}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.42;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--bamboo);color:rgba(255,255,255,.78);padding:66px 0 26px;font-size:15px}
.site-footer .brand{color:#fff}
.site-footer .brand-text em{color:var(--sprout)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.7);max-width:340px}
.footer-tel{margin-top:14px;font-size:14.5px}
.footer-tel a{color:var(--sprout);font-weight:600}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;letter-spacing:.02em}
.footer-col ul li{margin-bottom:11px}
.footer-col a,.footer-col span{color:rgba(255,255,255,.74);font-size:14.5px}
.footer-col a:hover{color:var(--sprout)}
.footer-bottom{margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.18);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.6)}
.footer-bottom a{color:rgba(255,255,255,.7)}

/* ---------- motion ---------- */
.fade{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.fade.is-in{opacity:1;transform:none}
.fade.d1{transition-delay:.06s}
.fade.d2{transition-delay:.12s}
.fade.d3{transition-delay:.18s}
.fade.d4{transition-delay:.24s}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .nav-menu ul{gap:18px}
  .nav-menu a{font-size:14.5px}
  .header-left{gap:22px}
}
@media (max-width:1024px){
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex}
  .header-left{flex:1 1 auto}
  .hero-split{grid-template-columns:1fr;padding:24px 0 56px}
  .hero-media img{height:auto;max-height:44vh;width:100%}
  .hero-card{position:static;max-width:none;margin-top:16px}
  .split-sticky,.sub-grid,.faq-grid{grid-template-columns:1fr;gap:36px}
  .sticky-col{position:static}
  .num-list p{max-height:none;opacity:1;margin-top:10px}
  .cards-3{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr);row-gap:36px}
  .timeline::before{display:none}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .stat:nth-child(3){padding-left:0;border-left:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:760px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .sec,.sec-tint,.sec-sub{padding:60px 0}
  .dark-band{padding:56px 0}
  .cards-3{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr;gap:24px}
  .stat{padding:0;border-left:none}
  .hero-facts{gap:24px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .timeline{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .header-search input[type=search]{width:150px}
  .sub-form{padding:22px 20px 24px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .fade{opacity:1;transform:none}
  html{scroll-behavior:auto}
}