/* roulang page: index */
/* =========================================================
   设计变量
   ========================================================= */
:root{
  --primary:#E23E1E;
  --primary-dark:#B62D12;
  --primary-light:#FDE7DF;
  --ink:#111418;
  --text:#2A2F36;
  --muted:#75706A;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --accent:#00A88E;
  --accent-light:#DFF5F0;
  --line:#E6E1D8;
  --line-dark:rgba(255,255,255,.12);
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(17,20,24,.05);
  --shadow-2:0 18px 40px -12px rgba(17,20,24,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --header-h:72px;
}

/* =========================================================
   基础重置
   ========================================================= */
*,*::before,*::after{box-sizing:border-box;}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

img{display:block;max-width:100%;height:auto;}

a{color:var(--primary-dark);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary);}

ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
button{font:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font:inherit;color:inherit;}

:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;
}
.skip-link:focus{left:0;color:#fff;}

/* =========================================================
   通用组件
   ========================================================= */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
@media (min-width:1280px){ .container{max-width:1280px;} }
@media (max-width:640px){ .container{padding:0 20px;} }

.section{
  padding:112px 0;
  scroll-margin-top:100px;
}
@media (max-width:1023px){ .section{padding:88px 0;} }
@media (max-width:640px){ .section{padding:64px 0;} }

.section-head h2{
  font-size:clamp(28px,3.2vw,42px);
  line-height:1.25;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.01em;
}
.section-head p{
  margin-top:16px;
  font-size:16px;
  line-height:1.8;
  color:var(--muted);
  max-width:520px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--primary-dark);
  background:var(--primary-light);
  padding:6px 14px;
  border-radius:999px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  font-size:16px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.btn--primary{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn--primary:hover,.btn--primary:focus{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;box-shadow:0 12px 26px -14px rgba(226,62,30,.75);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn--ghost:hover,.btn--ghost:focus{color:var(--primary-dark);border-color:rgba(226,62,30,.45);background:#fff;}
.btn--sm{height:40px;padding:0 20px;font-size:15px;}
.btn--block{width:100%;}
@media (max-width:640px){
  .btn--block-mobile{width:100%;}
}

.tag{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  font-size:12px;
  font-weight:600;
  line-height:1;
  padding:6px 12px;
  border-radius:999px;
  background:var(--accent-light);
  color:var(--accent);
}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--primary-dark);
}
.link-arrow span{transition:transform .32s var(--ease);}
.link-arrow:hover span{transform:translateX(4px);}

.reveal{transition:opacity .6s var(--ease),transform .6s var(--ease);}
.js .reveal{opacity:0;transform:translateY(16px);}
.js .reveal.is-visible{opacity:1;transform:none;}

/* =========================================================
   顶部导航
   ========================================================= */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,244,239,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .32s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(17,20,24,.4);}

.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:var(--header-h);
  transition:height .32s var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px;}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-size:18px;
  font-weight:700;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--ink);}
.brand-mark{display:inline-flex;flex:none;}
.brand-mark svg{display:block;}

.nav-main{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  padding:6px 0;
  font-size:15px;
  font-weight:500;
  color:var(--text);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:100%;
  bottom:0;
  height:2px;
  background:var(--primary);
  transition:right .32s var(--ease);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{right:0;}
.nav-link.is-active{color:var(--primary);}
.nav-link.is-active::after{right:0;}

.header-actions{display:flex;align-items:center;gap:12px;}

.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;
  height:44px;
  padding:0 10px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
}
.nav-toggle span{
  display:block;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:transform .32s var(--ease),opacity .32s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* =========================================================
   移动抽屉导航
   ========================================================= */
.nav-drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:rgba(17,20,24,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .32s var(--ease),visibility .32s var(--ease);
}
.nav-drawer.is-open{opacity:1;visibility:visible;}

.nav-drawer__panel{
  position:absolute;
  top:0;
  left:0;
  bottom:0;
  width:min(320px,84vw);
  background:var(--bg);
  padding:24px 22px calc(24px + env(safe-area-inset-bottom));
  display:flex;
  flex-direction:column;
  gap:24px;
  transform:translateX(-100%);
  transition:transform .32s var(--ease);
  overflow-y:auto;
}
.nav-drawer.is-open .nav-drawer__panel{transform:none;}

.nav-drawer__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.nav-drawer__head .brand-text{font-size:16px;font-weight:700;color:var(--ink);}
.nav-drawer__close{
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  font-size:16px;
  color:var(--ink);
}
.nav-drawer__close:hover{color:var(--primary);border-color:rgba(226,62,30,.4);}

.nav-drawer__nav{display:flex;flex-direction:column;}
.drawer-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  padding:12px 2px;
  font-size:16px;
  font-weight:500;
  color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-link::after{content:"→";color:var(--muted);font-size:14px;transition:transform .32s var(--ease),color .32s var(--ease);}
.drawer-link:hover{color:var(--primary);}
.drawer-link:hover::after{transform:translateX(4px);color:var(--primary);}
.drawer-link.is-active{color:var(--primary);font-weight:600;}

/* =========================================================
   移动底部 Tab
   ========================================================= */
.mobile-tab{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:90;
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:#fff;
  border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(17,20,24,.06);
  grid-template-columns:repeat(4,1fr);
}
.tab-item{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  color:#8A857D;
  font-size:11px;
  line-height:1;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.tab-item svg{width:22px;height:22px;display:block;}
.tab-item::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  width:0;height:2px;
  background:var(--primary);
  transform:translateX(-50%);
  transition:width .32s var(--ease);
}
.tab-item.is-active{color:var(--primary);}
.tab-item.is-active svg{stroke-width:2.2;}
.tab-item.is-active::before{width:26px;}
.tab-item:active{transform:scale(.96);}

@media (max-width:1023px){
  .mobile-tab{display:grid;}
  body{padding-bottom:76px;}
}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative;
  padding:80px 0 96px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  top:-120px;right:-160px;
  width:520px;height:520px;
  border-radius:50%;
  border:1px solid rgba(226,62,30,.12);
  pointer-events:none;
}
.hero-grid{row-gap:48px;}

.hero-copy h1{
  margin-top:22px;
  font-size:clamp(40px,5vw,64px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
  color:var(--ink);
  max-width:14em;
}
.hero-sub{
  margin-top:22px;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  max-width:560px;
}
.hero-cta{
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
  margin-top:32px;
}
.hero-metrics{
  display:flex;
  align-items:flex-end;
  margin-top:40px;
  flex-wrap:wrap;
}
.hero-metrics li{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:0 24px;
  border-left:1px solid rgba(226,62,30,.35);
}
.hero-metrics li:first-child{padding-left:0;border-left:0;}
.hero-metrics strong{
  font-size:24px;
  font-weight:700;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.hero-metrics span{font-size:12px;color:var(--muted);line-height:1.6;}

.hero-media{position:relative;}
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:24px;
}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:24px;
  background-color:rgba(226,62,30,.06);
  background-image:linear-gradient(rgba(255,255,255,.4) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.4) 1px,transparent 1px);
  background-size:36px 36px;
  pointer-events:none;
}
.hero-num{
  position:absolute;
  left:-10px;
  bottom:-38px;
  font-size:120px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(226,62,30,.35);
  font-variant-numeric:tabular-nums;
  pointer-events:none;
}

/* =========================================================
   服务板块
   ========================================================= */
.services .sticky-head{max-width:340px;}
@media (min-width:1024px){
  .services .sticky-head{position:sticky;top:120px;}
}

.service-list{
  border-top:1px solid var(--line);
  margin-top:8px;
}
.service-row{
  display:flex;
  align-items:flex-start;
  gap:24px;
  padding:28px 20px;
  border-bottom:1px solid var(--line);
  color:var(--text);
  transition:background .32s var(--ease);
}
.service-row:hover{background:var(--primary-light);color:var(--text);}
.service-num{
  flex:none;
  min-width:58px;
  font-size:34px;
  font-weight:800;
  line-height:1;
  color:#DDD6CB;
  font-variant-numeric:tabular-nums;
  transition:color .32s var(--ease);
}
.service-row:hover .service-num{color:var(--primary);}
.service-body{flex:1;}
.service-body h3{
  font-size:22px;
  font-weight:600;
  line-height:1.4;
  color:var(--ink);
}
.service-body p{
  margin-top:8px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
  max-width:560px;
}
.service-arrow{
  flex:none;
  align-self:center;
  font-size:18px;
  color:#B9B2A8;
  transition:transform .32s var(--ease),color .32s var(--ease);
}
.service-row:hover .service-arrow{transform:translateX(4px);color:var(--primary);}

/* =========================================================
   优势数据（深色通栏）
   ========================================================= */
.stats{
  background:var(--ink);
  color:#fff;
  padding:88px 0;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat{
  padding:0 32px;
  border-left:1px solid var(--line-dark);
}
.stat:first-child{padding-left:0;border-left:0;}
.stat strong{
  display:block;
  position:relative;
  padding-top:18px;
  font-size:clamp(40px,4.4vw,58px);
  font-weight:700;
  line-height:1.05;
  color:#fff;
  font-variant-numeric:tabular-nums;
}
.stat strong::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:32px;height:2px;
  background:var(--primary);
}
.stat span{
  display:block;
  margin-top:14px;
  font-size:14px;
  line-height:1.7;
  color:rgba(255,255,255,.7);
}

/* =========================================================
   案例
   ========================================================= */
.cases-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:24px;
  margin-top:48px;
}
.case-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  color:var(--text);
  box-shadow:var(--shadow-1);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.case-card:hover{
  transform:translateY(-3px);
  color:var(--text);
  border-color:rgba(226,62,30,.2);
  box-shadow:var(--shadow-2);
}
.case-media{overflow:hidden;background:#EFEAE1;}
.case-media img{width:100%;object-fit:cover;transition:transform .6s var(--ease);}
.case-card--large .case-media img{aspect-ratio:16/10;}
.case-card--small .case-media img{aspect-ratio:4/3;}
.case-card:hover .case-media img{transform:scale(1.04);}
.case-body{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:24px 26px 26px;
  flex:1;
}
.case-body h3{
  font-size:20px;
  font-weight:600;
  line-height:1.4;
  color:var(--ink);
}
.case-body p{
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}
.case-body .link-arrow{margin-top:auto;padding-top:8px;}

/* =========================================================
   流程
   ========================================================= */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:56px;
}
.step{position:relative;}
.step-index{
  display:flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink);
  font-size:15px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  transition:background .32s var(--ease),border-color .32s var(--ease),color .32s var(--ease);
}
.step--first .step-index{background:var(--primary);border-color:var(--primary);color:#fff;}
.step h3{
  margin-top:20px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
}
.step p{
  margin-top:8px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
  max-width:260px;
}
@media (min-width:1024px){
  .step::after{
    content:"";
    position:absolute;
    top:22px;
    left:56px;
    right:-16px;
    border-top:1px dashed var(--line);
  }
  .step:last-child::after{display:none;}
}

/* =========================================================
   最新信息
   ========================================================= */
.news-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:44px;
}
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  color:var(--text);
  box-shadow:var(--shadow-1);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.news-card:hover{
  transform:translateY(-3px);
  color:var(--text);
  border-color:rgba(226,62,30,.2);
  box-shadow:var(--shadow-2);
}
.news-thumb{
  aspect-ratio:16/10;
  overflow:hidden;
  background:#EFEAE1;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-thumb--ph{
  background-image:repeating-linear-gradient(45deg,#F1ECE4 0 10px,#E9E3D9 10px 20px);
}
.news-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:22px 24px 24px;
  flex:1;
}
.news-title{
  font-size:18px;
  font-weight:600;
  line-height:1.4;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-excerpt{
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.news-arrow{color:var(--primary);transition:transform .32s var(--ease);}
.news-card:hover .news-arrow{transform:translateX(4px);}

.news-empty{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  min-height:200px;
  padding:32px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  text-align:center;
}
.news-empty__icon{
  font-size:26px;
  color:#C8C1B6;
  line-height:1;
}
.news-empty p{font-size:15px;color:var(--muted);}

/* =========================================================
   FAQ
   ========================================================= */
.faq-list{
  border-top:1px solid var(--line);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  width:100%;
  min-height:48px;
  padding:22px 4px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  position:relative;
  flex:none;
  width:20px;height:20px;
  transition:transform .32s var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
}
.faq-icon::before{top:9px;left:0;right:0;height:2px;}
.faq-icon::after{left:9px;top:0;bottom:0;width:2px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s var(--ease);
}
.faq-a p{
  padding:0 4px 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
  max-width:640px;
}

/* =========================================================
   联系与表单
   ========================================================= */
.contact-card{
  display:block;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:32px;
  padding:48px;
  box-shadow:var(--shadow-1);
}
.contact-info h2{
  font-size:clamp(28px,3.2vw,42px);
  font-weight:700;
  line-height:1.25;
  color:var(--ink);
  letter-spacing:-.01em;
}
.contact-info > p{
  margin-top:16px;
  font-size:16px;
  line-height:1.8;
  color:var(--muted);
  max-width:400px;
}
.contact-list{margin-top:32px;}
.contact-list li{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:16px 0;
  border-top:1px solid var(--line);
}
.contact-list li:last-child{border-bottom:1px solid var(--line);}
.contact-list strong{
  font-size:14px;
  font-weight:600;
  color:var(--ink);
}
.contact-list span{font-size:15px;color:var(--muted);}

.field{margin-bottom:20px;}
.field label{
  display:block;
  margin-bottom:8px;
  font-size:13px;
  font-weight:500;
  color:var(--muted);
}
.field input,
.field select,
.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:#fff;
  font-size:15px;
  color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input,
.field select{height:48px;padding:0 16px;}
.field textarea{
  min-height:124px;
  padding:12px 16px;
  line-height:1.75;
  resize:vertical;
}
.field select{
  appearance:none;
  -webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2375706A' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 16px center;
  padding-right:44px;
}
.field input::placeholder,
.field textarea::placeholder{color:#ADA79E;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(226,62,30,.12);
}

.check-row{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  line-height:1.7;
  color:var(--muted);
}
.check-row input{
  flex:none;
  width:18px;height:18px;
  margin-top:4px;
  accent-color:var(--primary);
}

.form-note{
  margin-top:18px;
  padding:12px 18px;
  border-radius:12px;
  font-size:14px;
  line-height:1.7;
}
.form-note.is-success{background:var(--accent-light);color:#046B5B;}
.form-note.is-error{background:var(--primary-light);color:var(--primary-dark);}

/* =========================================================
   页脚
   ========================================================= */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .brand{color:#fff;font-size:18px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.66);
  max-width:320px;
}
.footer-brand .footer-meta{
  margin-top:18px;
  font-size:13px;
  line-height:1.9;
  color:rgba(255,255,255,.5);
}
.footer-title{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.72);
}
.footer-links a:hover{color:var(--primary);}

.qr-box{
  display:flex;
  align-items:center;
  gap:14px;
  padding:14px;
  border:1px solid var(--line-dark);
  border-radius:14px;
}
.qr-box__code{
  flex:none;
  width:64px;height:64px;
  border-radius:10px;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.16) 0 6px,rgba(255,255,255,.06) 6px 12px);
}
.qr-box span{font-size:13px;line-height:1.7;color:rgba(255,255,255,.62);}

.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-top:56px;
  padding:24px 0 32px;
  border-top:1px solid var(--line-dark);
  font-size:13px;
  line-height:1.7;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.5);}
.footer-bottom a:hover{color:var(--primary);}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width:1023px){
  .nav-main{display:none;}
  .header-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}

  .hero{padding:56px 0 72px;}
  .hero-copy h1{font-size:36px;max-width:none;}
  .hero-num{font-size:92px;bottom:-28px;}

  .cases-grid{grid-template-columns:1fr 1fr;}
  .case-card--large{grid-column:span 2;}

  .news-grid{grid-template-columns:repeat(2,1fr);}

  .stats-grid{grid-template-columns:repeat(2,1fr);row-gap:48px;}
  .stat{padding:0 24px;}
  .stat:nth-child(odd){padding-left:0;border-left:0;}
  .stat:nth-child(even){border-left:1px solid var(--line-dark);}

  .steps{grid-template-columns:repeat(2,1fr);gap:32px 24px;}

  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}

@media (max-width:640px){
  body{font-size:15px;}

  .hero-copy h1{font-size:32px;}
  .hero-sub{font-size:15px;}
  .hero-cta{gap:16px;}
  .hero-cta .btn{width:100%;}
  .hero-metrics{margin-top:32px;}
  .hero-metrics li{padding:0 16px;}
  .hero-metrics strong{font-size:20px;}
  .hero-media img{border-radius:16px;}
  .hero-media::after{border-radius:16px;}
  .hero-num{display:none;}

  .service-row{gap:16px;padding:22px 12px;}
  .service-num{font-size:26px;min-width:44px;}
  .service-body h3{font-size:18px;}
  .service-body p{font-size:14px;}

  .stats{padding:64px 0;}
  .stat{padding:0 16px;}
  .stat strong{font-size:34px;}

  .cases-grid{grid-template-columns:1fr;}
  .case-card--large{grid-column:span 1;}
  .case-body{padding:20px;}

  .steps{grid-template-columns:1fr;gap:28px;}
  .step p{max-width:none;}

  .news-grid{grid-template-columns:1fr;}

  .faq-q{font-size:16px;padding:18px 2px;}

  .contact-card{padding:26px 20px;border-radius:24px;}
  .contact-list{margin-top:24px;}

  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{padding-top:56px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
  .js .reveal{opacity:1;transform:none;}
  .case-card:hover,
  .news-card:hover{transform:none;}
  .case-card:hover .case-media img,
  .news-card:hover .news-thumb img{transform:none;}
}

/* roulang page: article */
:root{
  --primary:#E23E1E;
  --primary-dark:#B62D12;
  --primary-light:#FDE7DF;
  --ink:#111418;
  --text:#2A2F36;
  --muted:#75706A;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --accent:#00A88E;
  --accent-light:#DFF5F0;
  --line:#E6E1D8;
  --line-dark:rgba(255,255,255,.12);
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(17,20,24,.05);
  --shadow-2:0 18px 40px -12px rgba(17,20,24,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary-dark);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary);}
ul,ol{margin:0;padding:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{color:var(--ink);font-weight:700;margin:0;}
p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
::selection{background:var(--primary-light);color:var(--primary-dark);}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;}
@media (min-width:1280px){.container{max-width:1280px;}}
@media (max-width:640px){.container{padding-left:20px;padding-right:20px;}}

/* ---------- Foundation 默认覆盖 ---------- */
.button,button,.button.primary,.button.secondary{
  background-image:none;border-radius:999px;font-weight:600;
}
.button.primary{background-color:var(--primary);}
.grid-x{width:100%;}
.grid-padding-x{margin-left:-12px;margin-right:-12px;}
.grid-padding-x>.cell{padding-left:12px;padding-right:12px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,244,239,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:17px;letter-spacing:-.01em;}
.brand:hover{color:var(--ink);}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;flex:0 0 auto;}
.brand-text{white-space:nowrap;}
.nav-main{display:flex;align-items:center;gap:28px;}
.nav-link{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--text);}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);transition:width .2s var(--ease);}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--primary);}
.nav-link.is-active::after{width:100%;}
.header-cta{display:inline-flex;align-items:center;gap:14px;}
.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);
}
.menu-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;border-radius:2px;}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;transition:transform .2s var(--ease);}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}
.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(247,244,239,.98);
  padding:12px 0 20px;
}
.mobile-panel.is-open{display:block;}
.mobile-link{display:block;padding:14px 0;font-size:16px;font-weight:500;color:var(--text);border-bottom:1px solid var(--line);}
.mobile-link:last-child{border-bottom:0;}
.mobile-link:hover{color:var(--primary);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn--primary{background:var(--primary);color:#fff;}
.btn--primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn--ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light);}
.btn--sm{height:40px;padding:0 20px;font-size:14px;}
.btn--block{width:100%;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary-dark);}
.text-link::after{content:"→";transition:transform .2s var(--ease);}
.text-link:hover::after{transform:translateX(4px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:999px;font-size:13px;font-weight:600;background:var(--accent-light);color:var(--accent);}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;font-size:13px;font-weight:600;background:var(--accent-light);color:var(--accent);}
.tag--muted{background:var(--bg);color:var(--muted);border:1px solid var(--line);}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding-top:26px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#C9C3B9;}
.breadcrumb .current{color:var(--muted);max-width:62%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.article-hero{padding:26px 0 38px;border-bottom:1px solid var(--line);}
.article-hero h1{
  font-size:clamp(32px,4.2vw,54px);
  line-height:1.16;letter-spacing:-.02em;font-weight:800;
  margin:18px 0 22px;max-width:960px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums;}
.article-meta time{color:var(--text);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C9C3B9;}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding-top:44px;padding-bottom:80px;}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:56px;}
}
.article-main{min-width:0;max-width:820px;}
.article-cover{
  margin:0 0 36px;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-1);
}
.article-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .6s var(--ease);}
.article-cover:hover img{transform:scale(1.04);}
.article-lead{
  font-size:17px;line-height:1.9;color:var(--text);
  padding:20px 24px;background:#fff;border:1px solid var(--line);
  border-left:3px solid var(--primary);border-radius:0 var(--radius-card) var(--radius-card) 0;
  margin-bottom:32px;
}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--text);}
.article-body h2{
  font-size:clamp(24px,2.6vw,30px);line-height:1.3;font-weight:700;
  margin:52px 0 20px;padding-left:14px;border-left:3px solid var(--primary);
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:22px;line-height:1.4;font-weight:600;margin:38px 0 14px;color:var(--ink);}
.article-body h4{font-size:18px;font-weight:600;margin:28px 0 12px;color:var(--ink);}
.article-body p{margin:0 0 1.2em;}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.4em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.5em;}
.article-body li::marker{color:var(--primary);}
.article-body strong{font-weight:700;color:var(--ink);}
.article-body blockquote{
  margin:32px 0;padding:20px 24px;background:var(--accent-light);
  border-left:3px solid var(--accent);border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:var(--ink);font-size:16px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--primary-dark);border-bottom:1px solid rgba(182,45,18,.35);}
.article-body a:hover{color:var(--primary);border-bottom-color:var(--primary);}
.article-body img{width:auto;max-width:100%;height:auto;border-radius:var(--radius-img);margin:28px auto;}
.article-body figure{margin:28px 0;}
.article-body figure img{margin:0 auto;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;line-height:1.7;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:26px 0;background:#fff;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-body th{background:var(--bg);font-weight:600;color:var(--ink);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:44px 0;}
.article-body code{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:15px;}

/* ---------- 空状态 ---------- */
.article-empty{
  padding:56px 28px;text-align:center;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-card);
}
.article-empty .icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--muted);
}
.article-empty h2{font-size:22px;margin-bottom:12px;}
.article-empty p{font-size:15px;color:var(--muted);max-width:460px;margin:0 auto 24px;line-height:1.8;}

/* ---------- 标签 / 上下篇 ---------- */
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:48px;padding-top:28px;border-top:1px solid var(--line);}
.post-nav{display:grid;grid-template-columns:1fr;gap:16px;margin-top:26px;}
@media (min-width:640px){.post-nav{grid-template-columns:1fr 1fr;}}
.post-nav__item{
  display:block;padding:20px 22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.post-nav__item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(226,62,30,.28);}
.post-nav__label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;}
.post-nav__title{display:block;font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;}
.post-nav__item--next{text-align:right;}

/* ---------- 侧栏 ---------- */
.article-sidebar{min-width:0;display:flex;flex-direction:column;gap:20px;}
@media (min-width:1024px){
  .article-sidebar{position:sticky;top:96px;align-self:start;}
}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);}
.side-card__title{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card__title::before{content:"";width:3px;height:16px;background:var(--primary);border-radius:2px;}
.side-links{list-style:none;padding:0;margin:0;}
.side-links li+li{border-top:1px solid var(--line);}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;font-size:15px;color:var(--text);}
.side-links a:hover{color:var(--primary);}
.side-links a::after{content:"→";color:var(--muted);transition:transform .2s var(--ease),color .2s var(--ease);}
.side-links a:hover::after{transform:translateX(4px);color:var(--primary);}
.side-card--contact{background:var(--primary-light);border-color:rgba(226,62,30,.18);}
.side-card--contact p{font-size:14px;line-height:1.8;color:var(--text);margin-bottom:18px;}
.side-card--contact .meta{font-size:13px;color:var(--muted);line-height:1.9;margin-bottom:18px;}
.side-thumb{display:flex;gap:14px;align-items:center;padding:14px 0;}
.side-thumb+.side-thumb{border-top:1px solid var(--line);}
.side-thumb img{width:76px;height:56px;object-fit:cover;border-radius:10px;flex:0 0 auto;}
.side-thumb span{font-size:14px;line-height:1.6;color:var(--text);font-weight:500;}

/* ---------- 通用板块 ---------- */
.section{padding:84px 0;}
@media (max-width:640px){.section{padding:56px 0;}}
.section--related{border-top:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-title{font-size:clamp(26px,3vw,38px);line-height:1.25;letter-spacing:-.01em;font-weight:700;}
.section-desc{font-size:16px;line-height:1.8;color:var(--muted);margin-top:12px;}

/* ---------- 卡片 ---------- */
.related-grid{row-gap:28px;}
.card{
  display:flex;flex-direction:column;height:100%;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(226,62,30,.24);}
.card__media{overflow:hidden;aspect-ratio:16/10;background:var(--bg);}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.card:hover .card__media img{transform:scale(1.04);}
.card__body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card__title{font-size:17px;line-height:1.5;font-weight:600;color:var(--ink);}
.card__desc{font-size:15px;line-height:1.75;color:var(--muted);}
.card__link{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary-dark);}
.card__link::after{content:"→";transition:transform .2s var(--ease);}
.card:hover .card__link::after{transform:translateX(4px);}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 96px;}
@media (max-width:640px){.cta-wrap{padding-bottom:64px;}}
.cta-box{
  background:var(--primary-light);
  border:1px solid rgba(226,62,30,.16);
  border-radius:32px;
  padding:44px 32px;
  display:grid;gap:28px;align-items:center;
}
@media (min-width:1024px){.cta-box{grid-template-columns:1.5fr 1fr;padding:60px 56px;}}
.cta-box h2{font-size:clamp(24px,2.8vw,34px);line-height:1.25;letter-spacing:-.01em;}
.cta-box p{font-size:16px;line-height:1.85;color:var(--text);margin-top:14px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
@media (max-width:640px){.cta-actions{flex-direction:column;}.cta-actions .btn{width:100%;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:72px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:40px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;}}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin-top:16px;max-width:330px;}
.footer-meta{font-size:13px;line-height:1.9;color:rgba(255,255,255,.5);margin-top:16px;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-links a:hover{color:var(--primary);}
.qr-box{display:flex;gap:14px;align-items:flex-start;font-size:13px;line-height:1.8;color:rgba(255,255,255,.6);}
.qr-box__code{
  width:74px;height:74px;border-radius:10px;flex:0 0 auto;background:#fff;
  background-image:repeating-linear-gradient(45deg,rgba(17,20,24,.85) 0 3px,rgba(17,20,24,.15) 3px 6px);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid var(--line-dark);margin-top:52px;padding:24px 0 32px;
  font-size:13px;color:rgba(255,255,255,.5);
}
@media (max-width:1023px){
  .footer-bottom{padding-bottom:calc(100px + env(safe-area-inset-bottom));}
}

/* ---------- 移动底部 Tab ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;
  background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(17,20,24,.06);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:60px;font-size:11px;color:#8A857D;position:relative;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.tabbar-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.tabbar-item.is-active{color:var(--primary);}
.tabbar-item.is-active svg{stroke-width:2.1;}
.tabbar-item.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;background:var(--primary);border-radius:0 0 2px 2px;}
.tabbar-item:active{transform:scale(.96);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

@media (max-width:1023px){
  .nav-main{display:none;}
  .header-cta .btn--ghost{display:none;}
  .menu-toggle{display:inline-flex;}
  .tabbar{display:flex;}
}
@media (max-width:520px){
  .header-inner{height:64px;}
  .brand-text{font-size:15px;}
  .article-hero h1{font-size:30px;}
  .article-body{font-size:16px;}
  .btn{width:100%;}
  .header-cta .btn{width:auto;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --color-primary:#E23E1E;
  --color-primary-dark:#B62D12;
  --color-primary-soft:#FDE7DF;
  --color-ink:#111418;
  --color-text:#2A2F36;
  --color-muted:#75706A;
  --color-bg:#F7F4EF;
  --color-surface:#FFFFFF;
  --color-accent:#00A88E;
  --color-accent-soft:#DFF5F0;
  --color-line:#E6E1D8;
  --line-dark:rgba(255,255,255,.12);
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --radius-xl:32px;
  --shadow-sm:0 1px 2px rgba(17,20,24,.05);
  --shadow-lg:0 18px 40px -12px rgba(17,20,24,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --gutter:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--color-text);
  background:var(--color-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-img)}
a{color:var(--color-primary-dark);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--color-primary)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--color-ink);font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.grid-x{margin-left:calc(var(--gutter) * -1);margin-right:calc(var(--gutter) * -1)}
.grid-padding-x > .cell{padding-left:var(--gutter);padding-right:var(--gutter)}
.accordion,.accordion-item,.accordion-title,.accordion-content{background:transparent}

/* ============ 通用元件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:1px solid transparent;
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;text-align:center;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--color-primary);color:#fff}
.btn-primary:hover{background:var(--color-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--color-ink);border-color:var(--color-line)}
.btn-ghost:hover{border-color:var(--color-primary);color:var(--color-primary)}
.btn-sm{height:40px;padding:0 20px;font-size:15px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--color-primary-dark)}
.link-arrow svg{transition:transform .2s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--color-primary)}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--color-primary);border-radius:2px}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;background:var(--color-accent-soft);color:var(--color-accent);font-size:13px;font-weight:600;letter-spacing:.02em}
.tag--primary{background:var(--color-primary-soft);color:var(--color-primary-dark)}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,239,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--color-line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .3s var(--ease)}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--color-ink);font-weight:700}
.brand:hover{color:var(--color-ink)}
.brand-mark{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center}
.brand-text{font-size:17px;letter-spacing:.01em;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--color-text);padding:8px 0;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:2px;background:var(--color-primary);border-radius:2px;transition:width .24s var(--ease)}
.nav-link:hover{color:var(--color-primary)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--color-primary)}
.nav-link.is-active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--color-line);
  background:var(--color-surface);cursor:pointer;align-items:center;justify-content:center;color:var(--color-ink);
  transition:border-color .2s var(--ease),color .2s var(--ease)
}
.nav-toggle:hover{border-color:var(--color-primary);color:var(--color-primary)}
.nav-toggle svg{display:block}

/* ============ 移动抽屉 ============ */
.drawer-backdrop{position:fixed;inset:0;background:rgba(17,20,24,.42);opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:80}
.drawer-backdrop.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:90;
  background:var(--color-surface);border-left:1px solid var(--color-line);
  transform:translateX(102%);transition:transform .32s var(--ease);
  padding:20px 22px 32px;display:flex;flex-direction:column;gap:4px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--color-line);background:transparent;cursor:pointer;color:var(--color-ink);display:flex;align-items:center;justify-content:center}
.drawer-close:hover{border-color:var(--color-primary);color:var(--color-primary)}
.drawer-link{display:block;padding:14px 4px;font-size:16px;font-weight:500;color:var(--color-ink);border-bottom:1px solid var(--color-line)}
.drawer-link.is-active{color:var(--color-primary);font-weight:600}
.drawer .btn{margin-top:20px;width:100%}
.drawer-note{margin-top:16px;font-size:13px;color:var(--color-muted);line-height:1.8}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:20px 0 0;font-size:14px;color:var(--color-muted)}
.breadcrumb a{color:var(--color-muted)}
.breadcrumb a:hover{color:var(--color-primary)}
.breadcrumb .sep{color:#C9C3B8}
.breadcrumb [aria-current]{color:var(--color-ink);font-weight:500}

/* ============ 分类 Hero（矮版） ============ */
.hero-cat{padding:28px 0 64px}
.hero-cat__grid{align-items:center}
.hero-cat__text{padding-top:8px}
.hero-cat h1{
  font-size:clamp(32px,3.6vw,46px);font-weight:800;line-height:1.16;letter-spacing:-.02em;
  margin:18px 0 18px;color:var(--color-ink);
}
.hero-cat__lead{font-size:17px;line-height:1.85;color:var(--color-text);max-width:520px}
.hero-cat__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-metrics{display:flex;flex-wrap:wrap;align-items:center;margin-top:30px}
.hero-metrics li{display:flex;flex-direction:column;padding-right:20px}
.hero-metrics li + li{padding-left:20px;border-left:1px solid rgba(226,62,30,.45)}
.hero-metrics strong{font-size:22px;font-weight:700;color:var(--color-ink);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-metrics span{font-size:12px;color:var(--color-muted);margin-top:4px}
.hero-cat__media{position:relative;margin-top:8px}
.hero-cat__media img{
  width:100%;aspect-ratio:16/10;max-height:300px;object-fit:cover;
  border-radius:24px;box-shadow:var(--shadow-sm);
}
.hero-cat__media::after{
  content:"";position:absolute;inset:0;border-radius:24px;pointer-events:none;
  background-color:rgba(226,62,30,.06);
  background-image:
    linear-gradient(rgba(17,20,24,.09) 1px,transparent 1px),
    linear-gradient(90deg,rgba(17,20,24,.09) 1px,transparent 1px);
  background-size:48px 48px;
}

/* ============ 区块 ============ */
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--soft{background:#FBF9F5;border-top:1px solid var(--color-line);border-bottom:1px solid var(--color-line)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:clamp(28px,3.1vw,40px);font-weight:700;line-height:1.25;margin:14px 0 16px}
.section-head p{font-size:17px;line-height:1.85;color:var(--color-muted)}

/* ============ 三条要点 ============ */
.points{margin-top:4px}
.point{
  height:100%;background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-card);
  padding:26px;transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
}
.point:hover{transform:translateY(-3px);border-color:rgba(226,62,30,.2);box-shadow:var(--shadow-lg)}
.point__num{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--color-accent);font-variant-numeric:tabular-nums}
.point h3{font-size:20px;font-weight:600;margin:14px 0 10px}
.point p{font-size:15px;line-height:1.8;color:var(--color-muted)}

/* ============ 图文交替 ============ */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0;border-top:1px solid var(--color-line)}
.feature:first-of-type{border-top:0;padding-top:0}
.feature:last-of-type{padding-bottom:0}
.feature--reverse .feature__media{order:2}
.feature__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-sm)}
.feature__body h3{font-size:clamp(22px,2.2vw,26px);font-weight:700;line-height:1.35;margin:16px 0 14px}
.feature__body p{font-size:16px;line-height:1.85;color:var(--color-text)}
.feature__list{margin:18px 0 22px;display:grid;gap:10px}
.feature__list li{position:relative;padding-left:20px;font-size:15px;line-height:1.75;color:var(--color-muted)}
.feature__list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:2px;background:var(--color-primary);border-radius:2px}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:56px;align-items:start}
.faq-aside h2{font-size:clamp(26px,2.6vw,34px);font-weight:700;line-height:1.3;margin:14px 0 16px}
.faq-aside p{font-size:16px;line-height:1.85;color:var(--color-muted)}
.accordion{border:0;margin:0}
.accordion-item{border:0;border-bottom:1px solid var(--color-line)}
.accordion-item:first-child{border-top:1px solid var(--color-line)}
.accordion-title{
  position:relative;display:block;padding:22px 52px 22px 0;font-size:17px;font-weight:600;
  color:var(--color-ink);background:transparent;border:0;line-height:1.6;min-height:48px;
  transition:color .2s var(--ease);
}
.accordion-title:hover,.accordion-title:focus{color:var(--color-primary);background:transparent}
.accordion-title::before{display:none}
.acc-icon{position:absolute;right:10px;top:50%;width:16px;height:16px;margin-top:-8px;transition:transform .32s var(--ease)}
.acc-icon::before,.acc-icon::after{content:"";position:absolute;background:var(--color-primary);border-radius:2px}
.acc-icon::before{left:0;top:7px;width:16px;height:2px}
.acc-icon::after{left:7px;top:0;width:2px;height:16px}
.accordion-item.is-active .acc-icon{transform:rotate(45deg)}
.accordion-content{padding:0 0 24px;border:0;background:transparent;font-size:15px;line-height:1.85;color:var(--color-muted)}
.accordion-content p{font-size:15px;line-height:1.85;color:var(--color-muted)}

/* ============ CTA ============ */
.cta-card{
  position:relative;overflow:hidden;background:var(--color-surface);border:1px solid var(--color-line);
  border-radius:var(--radius-xl);padding:56px;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
}
.cta-card::before{
  content:"";position:absolute;left:0;top:0;width:6px;height:88px;background:var(--color-primary);
  border-radius:0 0 6px 0;
}
.cta-card h2{font-size:clamp(26px,2.8vw,36px);font-weight:700;line-height:1.3;margin:14px 0 14px}
.cta-card p{font-size:16px;line-height:1.85;color:var(--color-muted);max-width:520px}
.cta-card__actions{display:flex;flex-direction:column;gap:14px}
.cta-card__actions .btn{width:100%}
.cta-note{font-size:13px;color:var(--color-muted);line-height:1.7;margin-top:6px}

/* ============ 页脚 ============ */
.site-footer{background:var(--color-ink);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand .brand:hover{color:#fff}
.footer-brand .brand-text{color:#fff;font-size:17px}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:340px}
.footer-meta{margin-top:16px;font-size:13px;line-height:1.9;color:rgba(255,255,255,.48)}
.footer-title{font-size:14px;font-weight:600;letter-spacing:.05em;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-links a:hover{color:var(--color-primary)}
.qr-box{display:flex;gap:12px;font-size:13px;line-height:1.8;color:rgba(255,255,255,.58)}
.qr-box__code{
  flex:0 0 64px;width:64px;height:64px;border:1px solid var(--line-dark);border-radius:8px;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.14) 0 6px,transparent 6px 12px);
}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.48);
}

/* ============ 移动底部 Tab ============ */
.tab-bar{display:none}

@media (max-width:1023px){
  .container{padding:0 24px}
  .nav-main{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn{display:none}
  body{padding-bottom:76px}
  .section{padding:64px 0}
  .section--tight{padding:56px 0}
  .feature{gap:32px}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .cta-card{grid-template-columns:1fr;padding:36px 28px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-bottom{padding-bottom:96px}
  .tab-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    height:calc(60px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);
    background:#fff;border-top:1px solid var(--color-line);
    box-shadow:0 -6px 20px rgba(17,20,24,.06);
  }
  .tab-item{
    position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    font-size:11px;color:#8A857D;transition:transform .12s var(--ease),color .2s var(--ease);
  }
  .tab-item svg{display:block}
  .tab-item:hover{color:#8A857D}
  .tab-item.is-active{color:var(--color-primary);font-weight:600}
  .tab-item.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:28px;height:2px;background:var(--color-primary);border-radius:0 0 2px 2px}
  .tab-item:active{transform:scale(.96)}
}

@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  :root{--gutter:10px}
  .hero-cat{padding:16px 0 48px}
  .hero-cat h1{font-size:clamp(28px,7.6vw,36px);margin:14px 0 14px}
  .hero-cat__lead{font-size:16px}
  .hero-cat__actions{margin-top:22px}
  .hero-cat__actions .btn{width:100%}
  .hero-cat__media{margin-top:28px}
  .hero-cat__media img{max-height:220px;border-radius:16px}
  .hero-cat__media::after{border-radius:16px;background-size:36px 36px}
  .hero-metrics{margin-top:24px;gap:0}
  .hero-metrics li{padding-right:14px}
  .hero-metrics li + li{padding-left:14px}
  .hero-metrics strong{font-size:19px}
  .section-head{margin-bottom:32px}
  .feature{grid-template-columns:1fr;gap:22px;padding:32px 0}
  .feature--reverse .feature__media{order:0}
  .feature__media img{aspect-ratio:16/10}
  .cta-card{border-radius:24px;padding:30px 22px}
  .cta-card__actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .brand-text{font-size:16px}
  .breadcrumb{font-size:13px}
  .accordion-title{padding:18px 48px 18px 0;font-size:16px}
  .point{padding:22px}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
  .point:hover,.btn-primary:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --brand:#E23E1E;
  --brand-dark:#B62D12;
  --brand-soft:#FDE7DF;
  --ink:#111418;
  --ink-2:#2A2F36;
  --muted:#75706A;
  --faint:#A9A29A;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --accent:#00A88E;
  --accent-soft:#DFF5F0;
  --line:#E6E1D8;
  --line-dark:rgba(255,255,255,.12);
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --r-input:10px;
  --sh-sm:0 1px 2px rgba(17,20,24,.05);
  --sh-lg:0 18px 40px -12px rgba(17,20,24,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
  --pad:32px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;font-weight:400;
  color:var(--ink-2);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 var(--pad);width:100%}
.section{padding:104px 0}
.section--tight{padding:72px 0}
.tabular{font-variant-numeric:tabular-nums}

/* ===== header / nav ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,239,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:height .32s var(--ease);
}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.site-header.is-scrolled .nav-bar{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:17px;letter-spacing:-.01em}
.brand:hover{color:var(--ink)}
.brand-mark{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;flex:0 0 30px}
.brand-text{white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);
  transition:width .32s var(--ease);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{width:100%}
.header-cta{display:inline-flex}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:var(--card);align-items:center;justify-content:center;cursor:pointer;
}
.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}

.off-canvas{background:var(--bg);width:280px;border-left:1px solid var(--line)}
.drawer-head{padding:20px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border:1px solid var(--line);border-radius:10px;background:var(--card);cursor:pointer;font-size:18px;color:var(--ink);line-height:1}
.drawer-list{padding:14px 10px}
.drawer-list a{display:block;padding:13px 14px;border-radius:12px;color:var(--ink-2);font-size:16px;font-weight:500}
.drawer-list a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.drawer-list a.is-active{background:var(--brand-soft);color:var(--brand-dark)}
.drawer-foot{padding:18px 22px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(226,62,30,.9)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:#fff}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand-dark)}
.text-link .arw{transition:transform .2s var(--ease);display:inline-block}
.text-link:hover .arw{transform:translateX(4px)}

/* ===== breadcrumb ===== */
.crumb{padding:20px 0 4px;font-size:14px;color:var(--faint)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{margin:0 8px;color:var(--line)}

/* ===== hero (typographic) ===== */
.hero-typo{padding:56px 0 76px;border-bottom:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:#00806C;font-size:13px;font-weight:600;letter-spacing:.02em;
}
.hero-typo h1{
  margin:26px 0 0;font-size:clamp(40px,5vw,64px);font-weight:800;line-height:1.15;letter-spacing:-.02em;
  max-width:17em;
}
.hero-typo h1 em{font-style:normal;color:var(--brand)}
.hero-rule{height:1px;background:var(--line);margin:44px 0 36px}
.hero-lead{display:grid;grid-template-columns:1fr 1fr;gap:24px 56px}
.hero-lead p{font-size:16px;line-height:1.9;color:var(--ink-2)}
.hero-lead p.lead-muted{color:var(--muted);font-size:15.5px}
.hero-facts{display:flex;flex-wrap:wrap;margin-top:44px}
.hero-facts li{padding-right:26px;margin-right:26px;border-right:1px solid var(--line)}
.hero-facts li:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-facts b{display:block;font-size:26px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.01em;line-height:1.2}
.hero-facts span{font-size:12.5px;color:var(--muted);letter-spacing:.02em}

/* ===== section head ===== */
.sec-head{display:grid;grid-template-columns:4fr 7fr;gap:24px 48px;align-items:end;margin-bottom:48px}
.sec-head h2{font-size:clamp(28px,3.4vw,44px);line-height:1.25}
.sec-head p{font-size:16px;color:var(--muted);max-width:52ch}
.sec-head .kicker{display:block;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.06em;margin-bottom:14px}

/* ===== numbered rows ===== */
.step-list{border-top:1px solid var(--line)}
.step-row{border-bottom:1px solid var(--line)}
.step-row>summary{
  display:grid;grid-template-columns:104px 1fr 44px;align-items:center;gap:20px;
  padding:26px 12px;cursor:pointer;list-style:none;transition:background .2s var(--ease);
}
.step-row>summary::-webkit-details-marker{display:none}
.step-row>summary:hover{background:var(--brand-soft)}
.step-num{
  font-size:34px;font-weight:700;color:#DDD7CD;font-variant-numeric:tabular-nums;
  letter-spacing:-.03em;line-height:1;transition:color .2s var(--ease);
}
.step-row[open] .step-num,.step-row:hover .step-num{color:var(--brand)}
.step-text{display:block;min-width:0}
.step-title{display:block;font-size:20px;font-weight:600;color:var(--ink);line-height:1.4}
.step-hint{display:block;font-size:14px;color:var(--muted);margin-top:4px}
.step-icon{
  position:relative;width:32px;height:32px;border:1px solid var(--line);border-radius:50%;
  justify-self:end;transition:transform .32s var(--ease),border-color .2s var(--ease);background:#fff;
}
.step-icon::before,.step-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink-2);transform:translate(-50%,-50%);
}
.step-icon::before{width:12px;height:1.5px}
.step-icon::after{width:1.5px;height:12px}
.step-row[open] .step-icon{transform:rotate(45deg);border-color:var(--brand)}
.step-row[open] .step-icon::before,.step-row[open] .step-icon::after{background:var(--brand)}
.step-body{padding:0 12px 30px 124px;max-width:76ch}
.step-body p{font-size:15px;color:var(--muted);line-height:1.9}
.dot-list{margin-top:14px}
.dot-list li{position:relative;padding-left:18px;font-size:15px;color:var(--ink-2);line-height:1.9}
.dot-list li::before{
  content:"";position:absolute;left:0;top:.85em;width:6px;height:6px;border-radius:50%;background:var(--accent);
}

/* ===== cards ===== */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-lg);border-color:rgba(226,62,30,.25)}
.card-media{overflow:hidden}
.card-media img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform .6s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:24px 26px 28px}
.badge{display:inline-block;padding:4px 12px;border-radius:var(--r-pill);background:var(--accent-soft);color:#00806C;font-size:13px;font-weight:600}
.badge--warm{background:var(--brand-soft);color:var(--brand-dark)}
.card-body h3{font-size:20px;margin:14px 0 10px}
.card-body p{font-size:15px;color:var(--muted);line-height:1.85}
.card-foot{margin-top:18px}

/* ===== stats bar ===== */
.stats-band{
  background:var(--ink);border-radius:24px;padding:48px 40px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
}
.stats-band > div{padding:0 28px;border-left:1px solid var(--line-dark)}
.stats-band > div:first-child{border-left:0;padding-left:0}
.stats-band > div:last-child{padding-right:0}
.bar-top{display:block;width:32px;height:2px;background:var(--brand);margin-bottom:20px}
.stats-band b{
  display:block;font-size:clamp(34px,4vw,54px);font-weight:700;color:#fff;line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stats-band span{display:block;margin-top:12px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.6}

/* ===== faq grid ===== */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.faq-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 30px;box-shadow:var(--sh-sm);transition:border-color .32s var(--ease),box-shadow .32s var(--ease),transform .32s var(--ease)}
.faq-card:hover{border-color:rgba(0,168,142,.3);box-shadow:var(--sh-lg);transform:translateY(-3px)}
.faq-card h3{font-size:18px;line-height:1.5;display:flex;gap:12px;align-items:baseline}
.faq-card h3 i{font-style:normal;color:var(--brand);font-variant-numeric:tabular-nums;font-weight:700;font-size:15px}
.faq-card p{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.9}

/* ===== cta ===== */
.cta-wrap{padding:0 0 104px}
.cta-card{
  background:var(--card);border:1px solid var(--line);border-radius:32px;
  padding:56px;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  box-shadow:var(--sh-sm);
}
.cta-card h2{font-size:clamp(26px,3vw,38px);line-height:1.3}
.cta-card p{margin-top:16px;font-size:16px;color:var(--muted);line-height:1.9}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-side{background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:28px}
.cta-side h3{font-size:16px;margin-bottom:14px}
.cta-side li{font-size:14.5px;color:var(--ink-2);padding:10px 0;border-bottom:1px dashed var(--line);display:flex;justify-content:space-between;gap:16px}
.cta-side li:last-child{border-bottom:0}
.cta-side li b{color:var(--brand-dark);font-variant-numeric:tabular-nums;font-weight:600}

/* ===== footer ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:76px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px}
.footer-brand p{font-size:14px;line-height:1.85;margin:18px 0 0;color:rgba(255,255,255,.68)}
.footer-brand .brand{color:#fff}
.footer-brand .brand:hover{color:#fff}
.footer-brand .brand-text{color:#fff}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--brand)}
.footer-meta{margin-top:20px;font-size:13px;line-height:1.9;color:rgba(255,255,255,.55)}
.qr-box{display:flex;align-items:center;gap:14px;font-size:13px;color:rgba(255,255,255,.68);line-height:1.7}
.qr-box__code{
  flex:0 0 66px;width:66px;height:66px;border-radius:10px;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.92) 0 5px,rgba(255,255,255,.22) 5px 10px);
}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ===== mobile tab bar ===== */
.tab-bar-mobile{display:none}
@media (max-width:1023px){
  :root{--pad:24px}
  .nav-main,.header-cta{display:none}
  .nav-toggle{display:inline-flex}
  body{padding-bottom:76px}
  .tab-bar-mobile{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    height:60px;padding-bottom:env(safe-area-inset-bottom);
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -6px 20px rgba(17,20,24,.06);
  }
  .tab-item{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    font-size:11px;color:#8A857D;position:relative;transition:transform .2s var(--ease),color .2s var(--ease);
  }
  .tab-item svg{width:22px;height:22px;stroke-width:1.6}
  .tab-item.is-active{color:var(--brand)}
  .tab-item.is-active svg{stroke-width:2.1}
  .tab-item.is-active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:26px;height:2px;background:var(--brand);border-radius:2px;
  }
  .tab-item:active{transform:scale(.96)}
  .hero-typo{padding:36px 0 56px}
  .hero-lead{grid-template-columns:1fr;gap:18px}
  .sec-head{grid-template-columns:1fr;gap:16px;margin-bottom:36px}
  .section{padding:72px 0}
  .cta-card{grid-template-columns:1fr;padding:36px}
  .cta-wrap{padding:0 0 72px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .stats-band{grid-template-columns:1fr 1fr;gap:32px 0;padding:36px 28px}
  .stats-band > div{padding:0 20px}
  .stats-band > div:nth-child(odd){border-left:0;padding-left:0}
  .stats-band > div:nth-child(even){padding-right:0}
  .stats-band > div:nth-child(3){border-left:0;padding-left:0}
  .step-row>summary{grid-template-columns:64px 1fr 40px;gap:14px;padding:22px 6px}
  .step-num{font-size:26px}
  .step-body{padding:0 6px 26px 68px}
  .grid-2,.faq-grid{grid-template-columns:1fr}
  .card-body{padding:20px 22px 24px}
}
@media (max-width:639px){
  :root{--pad:20px}
  .brand{font-size:15.5px}
  .hero-typo h1{font-size:32px;line-height:1.2}
  .hero-facts{margin-top:32px}
  .hero-facts li{padding-right:18px;margin-right:18px}
  .hero-facts b{font-size:22px}
  .section{padding:60px 0}
  .cta-card{padding:26px 22px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column}
  .stats-band{padding:30px 22px}
  .stats-band b{font-size:32px}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
  .card:hover{transform:none}
  .card:hover .card-media img{transform:none}
}

/* roulang page: category3 */
:root{
  --brand:#E23E1E;
  --brand-dark:#B62D12;
  --brand-soft:#FDE7DF;
  --ink:#111418;
  --text:#2A2F36;
  --muted:#75706A;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --accent:#00A88E;
  --accent-deep:#02806C;
  --accent-soft:#DFF5F0;
  --line:#E6E1D8;
  --line-dark:rgba(255,255,255,.12);
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-sm:0 1px 2px rgba(17,20,24,.05);
  --shadow-hover:0 18px 40px -12px rgba(17,20,24,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  padding-bottom:76px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--ink);font-family:inherit;line-height:1.25}
h1{letter-spacing:-.02em;font-weight:800}
h2{font-size:clamp(26px,3vw,42px);font-weight:700}
h3{font-size:22px;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand)}
button{font-family:inherit;font-size:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

/* ===== 覆盖 Foundation 默认 ===== */
body,.button,input,select,textarea,.accordion-title{font-family:inherit}
.button{background:var(--brand);border-radius:999px}
.reveal{outline:none}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px}
.grid-margin-y{margin-top:-24px}
.grid-margin-y>.cell{margin-top:24px}
.grid-x{display:flex;flex-wrap:wrap;align-items:stretch}
.grid-x>.cell{flex:0 0 auto;width:100%;min-width:0}

/* ===== 布局 ===== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1280px){.container{max-width:1280px}}
@media (max-width:640px){.container{padding:0 20px}}
.section{padding:96px 0}
.section-alt{background:#fff}
.section-tight{padding-top:0}
@media (max-width:1023px){.section{padding:72px 0}}
@media (max-width:640px){.section{padding:56px 0}}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:44px}
.section-head h2{max-width:620px}
.section-desc{max-width:430px;font-size:15px;color:var(--muted);line-height:1.85}
@media (max-width:768px){
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:30px}
  .section-desc{max-width:100%}
}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--accent-deep);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}

/* ===== 按钮与链接 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn:active{transform:translateY(0) scale(.98)}

.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-dark)}
.link-arrow span{transition:transform .2s var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}

/* ===== 顶部导航 ===== */
.site-header{position:sticky;top:0;z-index:70;background:rgba(247,244,239,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .32s var(--ease)}
.site-header.is-scrolled{box-shadow:0 6px 24px -14px rgba(17,20,24,.28)}
.header-inner{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:32px;transition:height .32s var(--ease)}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700}
.brand:hover{color:var(--ink)}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:#fff;border:1px solid var(--line);flex:0 0 34px}
.brand-text{font-size:17px;letter-spacing:.01em;white-space:nowrap}
.nav-main{display:none}
@media (min-width:1024px){.nav-main{display:flex;align-items:center;gap:28px;flex:1;justify-content:center}}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--text);padding:6px 0}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);border-radius:2px;transition:width .2s var(--ease)}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px}
.header-actions .btn-primary{display:none}
@media (min-width:1024px){.header-actions .btn-primary{display:inline-flex}}
.nav-toggle{width:44px;height:44px;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:#fff;border:1px solid var(--line);border-radius:12px;cursor:pointer;transition:border-color .2s var(--ease)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle:hover{border-color:var(--brand)}
@media (min-width:1024px){.nav-toggle{display:none}}

/* ===== 移动抽屉 ===== */
.drawer-mask{position:fixed;inset:0;background:rgba(17,20,24,.45);opacity:0;visibility:hidden;transition:opacity .32s var(--ease),visibility .32s var(--ease);z-index:88}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);background:#fff;z-index:90;padding:24px 24px 32px;overflow-y:auto;transform:translateX(102%);transition:transform .32s var(--ease);box-shadow:-20px 0 48px -24px rgba(17,20,24,.4)}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.drawer-head .brand-text{font-size:16px;color:var(--ink);font-weight:700}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:12px;font-size:22px;line-height:1;color:var(--ink);cursor:pointer}
.drawer-close:hover{border-color:var(--brand);color:var(--brand)}
.drawer-nav{display:grid;gap:4px;margin:20px 0 24px}
.drawer-link{display:block;padding:14px 12px;border-radius:12px;font-size:16px;color:var(--text);font-weight:500}
.drawer-link:hover{background:var(--brand-soft);color:var(--brand-dark)}
.drawer-link.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
.drawer-cta{width:100%}

/* ===== 底部 Tab ===== */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:80;display:flex;background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(17,20,24,.06);padding-bottom:env(safe-area-inset-bottom)}
.tabbar__item{position:relative;flex:1;height:60px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:#8A857D;transition:color .2s var(--ease),transform .2s var(--ease)}
.tabbar__item svg{stroke:currentColor}
.tabbar__item.is-active{color:var(--brand)}
.tabbar__item.is-active svg{stroke-width:2.2}
.tabbar__item.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:28px;height:2px;border-radius:2px;background:var(--brand)}
.tabbar__item:active{transform:scale(.96)}
@media (min-width:1024px){
  .tabbar{display:none}
  body{padding-bottom:0}
}

/* ===== 面包屑 ===== */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{color:var(--muted)}
.breadcrumb .current{color:var(--ink);font-weight:500}
.breadcrumb--onDark a,.breadcrumb--onDark span{color:rgba(255,255,255,.78)}
.breadcrumb--onDark a:hover{color:#fff}
.breadcrumb--onDark .current{color:#fff}

/* ===== Hero 全宽封面 ===== */
.hero-cover{position:relative;overflow:hidden;background:var(--ink);display:flex;align-items:flex-end;min-height:640px}
.hero-cover__media{position:absolute;inset:0}
.hero-cover__media img{width:100%;height:100%;object-fit:cover}
.hero-cover__overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,20,24,.30) 0%,rgba(17,20,24,.62) 100%)}
.hero-cover__grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:88px 88px;pointer-events:none}
.hero-cover__inner{position:relative;z-index:2;width:100%;padding-top:150px;padding-bottom:64px}
.hero-card{max-width:680px;background:rgba(247,244,239,.97);border-radius:24px;padding:36px 38px 32px;box-shadow:0 28px 64px -24px rgba(17,20,24,.55)}
.hero-card h1{font-size:clamp(30px,3.6vw,50px);line-height:1.15;margin:14px 0 16px}
.hero-card>p{font-size:16px;color:var(--muted);line-height:1.85;max-width:56ch}
.hero-card__actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}
.hero-stats li{display:flex;flex-direction:column;gap:2px;padding-left:16px;border-left:2px solid var(--brand)}
.hero-stats strong{font-size:20px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.3}
.hero-stats span{font-size:12px;color:var(--muted);letter-spacing:.02em}
@media (max-width:1023px){
  .hero-cover{min-height:0}
  .hero-cover__inner{padding-top:120px;padding-bottom:40px}
}
@media (max-width:640px){
  .hero-cover__inner{padding-top:104px;padding-bottom:28px}
  .hero-card{padding:24px 20px;border-radius:20px}
  .hero-card h1{font-size:32px}
  .hero-card__actions .btn{width:100%}
  .hero-stats{gap:14px}
  .hero-stats li{padding-left:12px}
  .hero-stats strong{font-size:18px}
}

/* ===== 徽章与标签 ===== */
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent-deep);font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap}
.badge--soft{background:var(--brand-soft);color:var(--brand-dark)}
.badge--line{background:#fff;border:1px solid var(--line);color:var(--muted)}

/* ===== 筛选 ===== */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.filter-chip{height:38px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:14px;cursor:pointer;transition:all .2s var(--ease)}
.filter-chip:hover{border-color:var(--brand);color:var(--brand)}
.filter-chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff}

/* ===== 场馆卡片网格 ===== */
.card-grid{margin-bottom:-24px}
.venue-card{display:flex;flex-direction:column;height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.venue-card:hover{transform:translateY(-3px);border-color:rgba(226,62,30,.25);box-shadow:var(--shadow-hover)}
.venue-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDE8E0}
.venue-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.venue-card:hover .venue-card__media img{transform:scale(1.04)}
.venue-card__body{display:flex;flex-direction:column;gap:12px;padding:26px 24px;flex:1}
.venue-card__body h3{font-size:20px}
.venue-card__body p{font-size:15px;color:var(--muted);line-height:1.8}
.meta-list{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.meta-list li{display:inline-flex;align-items:center;gap:6px}
.meta-list li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent)}
.venue-card__body .link-arrow{margin-top:auto;padding-top:8px}

/* ===== 横向滚动卡带 ===== */
.rail-wrap{position:relative}
.scroll-rail{display:flex;gap:20px;overflow-x:auto;padding:4px 4px 22px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.scroll-rail>li{flex:0 0 296px;scroll-snap-align:start}
.rail-card{display:flex;flex-direction:column;gap:12px;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.rail-card:hover{transform:translateY(-3px);border-color:rgba(226,62,30,.25);box-shadow:var(--shadow-hover)}
.rail-card__time{font-size:13px;font-weight:600;color:var(--accent-deep);letter-spacing:.04em;font-variant-numeric:tabular-nums}
.rail-card h3{font-size:18px}
.rail-card p{font-size:14px;color:var(--muted)}
.rail-card__foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.rail-card__foot span{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
@media (max-width:640px){
  .scroll-rail>li{flex:0 0 82%}
}

/* ===== 说明卡 ===== */
.note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:1023px){.note-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.note-grid{grid-template-columns:1fr}}
.note-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 26px}
.note-card__num{font-size:34px;font-weight:800;color:transparent;-webkit-text-stroke:1.2px var(--brand);letter-spacing:.02em;line-height:1;font-variant-numeric:tabular-nums}
.note-card h3{margin:16px 0 10px;font-size:19px}
.note-card p{font-size:15px;color:var(--muted);line-height:1.85}

/* ===== CTA ===== */
.cta-card{display:flex;align-items:center;justify-content:space-between;gap:40px;background:var(--brand-soft);border-radius:32px;padding:56px}
.cta-card h2{font-size:clamp(24px,2.6vw,36px);margin-bottom:14px}
.cta-card p{font-size:16px;color:var(--text);max-width:60ch;line-height:1.85}
.cta-card__actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}
@media (max-width:1023px){
  .cta-card{flex-direction:column;align-items:flex-start;gap:28px;padding:40px 28px;border-radius:24px}
  .cta-card__actions{width:100%}
  .cta-card__actions .btn{flex:1 1 auto}
}
@media (max-width:640px){
  .cta-card__actions{flex-direction:column}
  .cta-card__actions .btn{width:100%}
}

/* ===== FAQ ===== */
.faq-list{max-width:900px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-q{width:100%;min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 0;background:none;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--ink);cursor:pointer;transition:color .2s var(--ease)}
.faq-q:hover{color:var(--brand)}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px;transition:transform .32s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{padding:0 56px 26px 0;font-size:15px;line-height:1.8;color:var(--muted)}
@media (max-width:640px){.faq-a p{padding-right:0}}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:76px 0 26px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .site-footer{padding-bottom:104px}
}
@media (max-width:640px){.footer-grid{grid-template-columns:1fr}}
.site-footer .brand{color:#fff}
.site-footer .brand:hover{color:#fff}
.site-footer .brand-mark{background:rgba(255,255,255,.06);border-color:var(--line-dark)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:34ch}
.footer-meta{margin-top:18px;font-size:13px;line-height:1.8;color:rgba(255,255,255,.5)}
.footer-title{font-size:14px;font-weight:600;letter-spacing:.08em;color:#fff;margin-bottom:18px}
.footer-links{display:grid;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--brand)}
.qr-box{display:flex;gap:14px;align-items:flex-start;font-size:13px;line-height:1.8;color:rgba(255,255,255,.6)}
.qr-box__code{width:64px;height:64px;flex:0 0 64px;border-radius:8px;background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.85) 0 5px,transparent 5px 10px),repeating-linear-gradient(-45deg,rgba(255,255,255,.5) 0 5px,transparent 5px 10px);border:1px solid var(--line-dark)}
.footer-bottom{margin-top:52px;padding-top:22px;border-top:1px solid var(--line-dark);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}

/* ===== 动效降级 ===== */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .venue-card:hover,.rail-card:hover,.btn:hover{transform:none}
  .venue-card:hover .venue-card__media img{transform:none}
}