/* roulang page: index */
:root{
  --c-primary:#0B7C6A;
  --c-primary-dark:#096657;
  --c-primary-soft:#0B7C6A14;
  --c-accent-a:#14C8A8;
  --c-accent-b:#E5531C;
  --c-accent-b-dark:#C94513;
  --c-ink:#12161B;
  --c-text:#39424B;
  --c-muted:#6C7680;
  --c-bg:#F7F8F7;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF3F1;
  --c-line:#E3E8E6;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --r-hero:20px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(18,22,27,.04), 0 8px 24px rgba(18,22,27,.06);
  --sh-hover:0 10px 28px rgba(18,22,27,.10);
  --sh-float:0 12px 32px rgba(18,22,27,.12);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --container:1240px;
  --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",Inter,system-ui,-apple-system,sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t);}
a:hover{color:var(--c-primary-dark);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5,h6,p{margin:0;}
h1,h2,h3,h4{color:var(--c-ink);font-weight:700;}
:focus-visible{outline:2px solid var(--c-accent-a);outline-offset:2px;}
:focus:not(:focus-visible){outline:none;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-ink);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:999;}
.skip-link:focus{left:0;color:#fff;}

/* 覆盖 Foundation 默认味道 */
body,button,input,select,textarea{font-family:var(--font-cn);}
a{color:var(--c-primary);}
a:hover,a:focus{color:var(--c-primary-dark);}
.button,button{background:transparent;border:0;border-radius:var(--r-btn);}
.grid-container,.grid-x,.grid-margin-x{max-width:none;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}
.grid-margin-x>.cell:last-child:not(:first-child){float:none;}
details summary{list-style:none;cursor:pointer;}
details summary::-webkit-details-marker{display:none;}

/* ============ 容器与分区 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.section--loose{padding:104px 0;}
.section--surface2{background:var(--c-surface-2);}
.section--white{background:var(--c-surface);}
.section-head{margin-bottom:44px;max-width:820px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  color:var(--c-primary);background:var(--c-surface-2);
  border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:18px;
}
.eyebrow i{font-size:11px;color:var(--c-accent-a);}
.section-title{
  font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;
  position:relative;padding-left:18px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-accent-a));
}
.section-head.center .section-title{padding-left:0;}
.section-head.center .section-title::before{display:none;}
.section-sub{margin-top:14px;color:var(--c-muted);font-size:16px;line-height:1.8;max-width:720px;}
.section-head.center .section-sub{margin-left:auto;margin-right:auto;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn i{transition:transform var(--t);}
.btn:hover i{transform:translateX(4px);}
.btn-primary{background:var(--c-accent-b);color:#fff;box-shadow:0 6px 18px rgba(229,83,28,.22);}
.btn-primary:hover,.btn-primary:focus{background:var(--c-accent-b-dark);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover,.btn-outline:focus{background:var(--c-surface-2);color:var(--c-primary-dark);}
.btn-ink{background:var(--c-ink);color:#fff;}
.btn-ink:hover{background:#1c232b;color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible{outline:2px solid var(--c-accent-a);outline-offset:2px;}
.btn.is-disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}
.link-text{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--c-primary);
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.link-text i{transition:transform var(--t);}
.link-text:hover{border-bottom-color:var(--c-accent-a);color:var(--c-primary-dark);}
.link-text:hover i{transform:translateX(4px);}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-surface-2);color:var(--c-primary);
  font-size:12px;font-weight:600;letter-spacing:.06em;
}
.badge--hot{background:var(--c-accent-b);color:#fff;letter-spacing:.04em;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);backdrop-filter:saturate(1.4) blur(8px);
  transition:box-shadow var(--t);
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(18,22,27,.07);}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px;}
.logo{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;color:var(--c-ink);}
.logo:hover{color:var(--c-ink);}
.logo-mark{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(140deg,var(--c-primary),var(--c-accent-a));
  display:flex;align-items:center;justify-content:center;color:#fff;
}
.logo-mark svg{width:24px;height:24px;}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text strong{font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--c-ink);}
.logo-text em{font-style:normal;font-size:11.5px;letter-spacing:.08em;color:var(--c-muted);font-weight:600;}
.main-nav{margin-left:auto;}
.main-nav ul{display:flex;align-items:center;gap:6px;}
.main-nav a{
  display:inline-block;padding:10px 14px;border-radius:10px;font-size:15px;font-weight:600;color:var(--c-text);
  position:relative;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--c-accent-a);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.main-nav a:hover{color:var(--c-primary);background:var(--c-surface-2);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--c-primary);}
.main-nav a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;
  align-items:center;justify-content:center;color:var(--c-ink);background:#fff;cursor:pointer;
}
.nav-toggle i{font-size:18px;}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;background:var(--c-surface);
  transform:translateX(100%);transition:transform 260ms cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;padding:22px 20px calc(24px + env(safe-area-inset-bottom));
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--c-ink);cursor:pointer;
}
.drawer nav ul{display:flex;flex-direction:column;gap:6px;}
.drawer nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 16px;border-radius:12px;font-size:16px;font-weight:600;color:var(--c-ink);
  border:1px solid var(--c-line);
}
.drawer nav a.active{color:var(--c-primary);border-color:var(--c-accent-a);background:var(--c-surface-2);}
.drawer-foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px;}
body.is-locked{overflow:hidden;}

/* ============ Hero ============ */
.hero{position:relative;background:var(--c-bg);padding:76px 0 92px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(11,124,106,.055) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(11,124,106,.055) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero>.container{position:relative;z-index:2;}
.hero-grid{align-items:center;}
.hero-copy .eyebrow{margin-bottom:22px;}
.hero h1{
  font-size:clamp(30px,4.6vw,48px);line-height:1.22;font-weight:800;letter-spacing:-.01em;
  margin-bottom:20px;
}
.hero h1 .hl{color:var(--c-primary);}
.hero-lead{font-size:17px;line-height:1.85;color:var(--c-text);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-trust{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:14px;color:var(--c-muted);
}
.hero-trust span{display:inline-flex;align-items:center;gap:7px;}
.hero-trust span+span::before{
  content:"";display:inline-block;width:1px;height:14px;background:var(--c-line);margin-right:8px;
}
.hero-trust i{color:var(--c-primary);font-size:13px;}
.hero-visual{position:relative;}
.hero-media{
  position:relative;border-radius:var(--r-hero);overflow:hidden;
  background:var(--c-surface-2);box-shadow:var(--sh-card);
  aspect-ratio:16/11;
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,22,27,0) 45%,rgba(18,22,27,.28));
}
.hero-float{
  position:absolute;right:-8px;bottom:-22px;background:#fff;border-radius:14px;
  box-shadow:var(--sh-float);padding:16px 20px;min-width:186px;border:1px solid var(--c-line);
}
.hero-float .num{
  font-family:Inter,system-ui,sans-serif;font-size:30px;font-weight:800;color:var(--c-primary);
  line-height:1.1;letter-spacing:-.02em;
}
.hero-float .num small{font-size:14px;color:var(--c-accent-b);font-weight:700;margin-left:2px;}
.hero-float p{font-size:13px;color:var(--c-muted);line-height:1.6;margin-top:4px;}
.wave-line{display:flex;align-items:flex-end;gap:3px;height:22px;margin-bottom:18px;}
.wave-line i{display:block;width:3px;border-radius:3px;background:var(--c-accent-a);opacity:.65;}

/* ============ 服务/能力区（非对称） ============ */
.service-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:28px;height:100%;
  display:flex;flex-direction:column;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#d3dedb;}
.service-card--lg{padding:34px;}
.service-icon{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--c-surface-2);color:var(--c-primary);font-size:20px;margin-bottom:18px;flex-shrink:0;
}
.service-card--lg .service-icon{width:60px;height:60px;font-size:23px;}
.service-card h3{font-size:20px;line-height:1.45;font-weight:600;margin-bottom:10px;}
.service-card p{font-size:15.5px;line-height:1.8;color:var(--c-muted);margin-bottom:18px;}
.service-card .link-text{margin-top:auto;}
.service-stack{display:flex;flex-direction:column;gap:24px;height:100%;}
.service-stack .service-card{flex:1;}
.service-points{margin:6px 0 20px;}
.service-points li{
  position:relative;padding-left:20px;font-size:15px;color:var(--c-text);line-height:1.7;margin-bottom:8px;
}
.service-points li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--c-accent-a);
}

/* ============ 数据带 ============ */
.stats{background:var(--c-ink);color:#fff;padding:66px 0;}
.stats .stat{padding:12px 8px;position:relative;}
.stats .stat+.stat::before{
  content:"";position:absolute;left:-12px;top:18%;bottom:18%;width:1px;background:rgba(255,255,255,.12);
}
.stat-num{
  font-family:Inter,system-ui,sans-serif;font-size:clamp(34px,4vw,48px);font-weight:700;
  line-height:1.05;letter-spacing:-.02em;color:#fff;
}
.stat-num small{font-size:15px;font-weight:700;color:var(--c-accent-a);margin-left:6px;letter-spacing:0;}
.stat-num.orange small{color:var(--c-accent-b);}
.stat-label{margin-top:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.62);}

/* ============ 案例区 ============ */
.case-row{align-items:center;margin-bottom:32px;}
.case-row:last-child{margin-bottom:0;}
.case-media{
  border-radius:var(--r-img);overflow:hidden;background:var(--c-surface-2);
  box-shadow:var(--sh-card);aspect-ratio:4/3;
}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform 300ms cubic-bezier(.2,.7,.3,1);}
.case-row:hover .case-media img{transform:scale(1.03);}
.case-body{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:30px;box-shadow:var(--sh-card);}
.case-body h3{font-size:20px;line-height:1.45;margin:14px 0 12px;}
.case-body p{font-size:15.5px;color:var(--c-muted);line-height:1.8;margin-bottom:18px;}
.case-order{font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--c-accent-a);}

/* ============ 流程步骤 ============ */
.steps-band{background:var(--c-surface-2);}
.steps{position:relative;}
.steps::before{
  content:"";position:absolute;left:22px;right:22px;top:26px;height:0;
  border-top:1px dashed rgba(11,124,106,.35);
}
.step{position:relative;padding-top:0;}
.step-num{
  position:relative;z-index:2;width:52px;height:52px;border-radius:50%;
  background:#fff;border:1px solid var(--c-line);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-family:Inter,system-ui,sans-serif;font-weight:700;font-size:16px;letter-spacing:.04em;
  margin-bottom:18px;box-shadow:var(--sh-card);
}
.step h3{font-size:18px;line-height:1.45;margin-bottom:8px;}
.step p{font-size:15px;color:var(--c-muted);line-height:1.8;}

/* ============ 资讯卡片 ============ */
.news-grid{margin-bottom:-24px;}
.news-grid>.cell{margin-bottom:24px;}
.news-card{
  display:flex;flex-direction:column;height:100%;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-card);color:inherit;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#d3dedb;color:inherit;}
.news-media{aspect-ratio:16/9;background:var(--c-surface-2);overflow:hidden;}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform 300ms cubic-bezier(.2,.7,.3,1);}
.news-card:hover .news-media img{transform:scale(1.04);}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.news-body .badge{align-self:flex-start;margin-bottom:14px;}
.news-title{
  font-size:18px;line-height:1.5;font-weight:600;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-summary{
  font-size:14.5px;color:var(--c-muted);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--c-muted);padding-top:14px;border-top:1px solid var(--c-line);
}
.news-meta i{color:var(--c-accent-b);font-size:13px;}
.news-more{margin-top:34px;text-align:center;}
.empty-state{
  text-align:center;padding:64px 24px;background:var(--c-surface);
  border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.empty-state i{font-size:64px;color:var(--c-primary);opacity:.45;display:block;margin-bottom:18px;}
.empty-state p{font-size:14px;color:var(--c-muted);margin-bottom:20px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;
  margin-bottom:14px;overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item[open]{border-color:#d3dedb;box-shadow:var(--sh-card);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;border-left:3px solid transparent;transition:border-color var(--t),background-color var(--t);
}
.faq-item summary h3{font-size:17px;line-height:1.5;font-weight:600;}
.faq-item summary i{color:var(--c-muted);font-size:14px;transition:transform var(--t),color var(--t);flex-shrink:0;}
.faq-item[open] summary{border-left-color:var(--c-primary);background:var(--c-surface-2);}
.faq-item[open] summary h3{color:var(--c-primary);}
.faq-item[open] summary i{transform:rotate(180deg);color:var(--c-primary);}
.faq-answer{padding:0 22px 22px;border-left:3px solid var(--c-primary);}
.faq-answer p{font-size:15px;line-height:1.8;color:var(--c-text);}
.faq-answer p+p{margin-top:10px;}

/* ============ 联系区 ============ */
.contact{background:var(--c-surface-2);}
.contact h2{font-size:clamp(24px,3vw,32px);line-height:1.3;margin-bottom:16px;}
.contact-lead{font-size:16px;color:var(--c-text);line-height:1.85;margin-bottom:28px;max-width:520px;}
.contact-list li{display:flex;align-items:flex-start;gap:14px;margin-bottom:18px;}
.contact-list .ci{
  width:42px;height:42px;border-radius:12px;background:#fff;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);flex-shrink:0;
}
.contact-list strong{display:block;font-size:15px;color:var(--c-ink);font-weight:600;}
.contact-list span{font-size:14.5px;color:var(--c-muted);}
.form-card{
  background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-card);
  border:1px solid var(--c-line);padding:30px;
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-tip{font-size:14px;color:var(--c-muted);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px;}
.field label .req{color:var(--c-accent-b);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;color:var(--c-text);font-size:15px;
  transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{height:auto;min-height:118px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(20,200,168,.18);outline:none;
}
.field .hint{font-size:12.5px;color:var(--c-muted);margin-top:6px;}
.field.has-error input,.field.has-error textarea{border-color:#C93A2B;}
.field.has-error .hint{color:#C93A2B;}
.form-legal{font-size:12.5px;color:var(--c-muted);line-height:1.7;margin-top:14px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.78);padding:72px 0 0;font-size:14px;line-height:1.8;}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text em{color:rgba(255,255,255,.55);}
.footer-brand p{margin-top:16px;color:rgba(255,255,255,.6);max-width:300px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:var(--c-accent-a);}
.footer-col .fc-line{display:flex;gap:10px;margin-bottom:12px;color:rgba(255,255,255,.7);}
.footer-col .fc-line i{color:var(--c-accent-a);margin-top:4px;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--c-accent-a);}

/* ============ 移动底部 Tab ============ */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:#fff;border-top:1px solid var(--c-line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 20px rgba(18,22,27,.06);
}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:56px;font-size:11.5px;color:var(--c-muted);position:relative;font-weight:600;
}
.tabbar a i{font-size:17px;}
.tabbar a::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);
  width:26px;height:2px;border-radius:2px;background:var(--c-accent-a);transition:transform var(--t);
}
.tabbar a.active{color:var(--c-primary);}
.tabbar a.active::before{transform:translateX(-50%) scaleX(1);}
.to-top{
  position:fixed;right:20px;bottom:76px;width:46px;height:46px;border-radius:50%;
  background:#fff;border:1.5px solid var(--c-primary);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-card);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t),transform var(--t);z-index:70;
}
.to-top.is-show{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-3px);}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding:76px 0;}
  .section--loose{padding:80px 0;}
  .main-nav{display:none;}
  .header-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:56px 0 72px;}
  .hero-visual{margin-top:44px;}
  .hero-float{right:12px;bottom:-20px;}
  .steps::before{display:none;}
  .stat+.stat::before{display:none;}
}
@media screen and (max-width:768px){
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom));}
  .tabbar{display:flex;}
  .logo-text strong{font-size:18px;}
  .section{padding:56px 0;}
  .section--loose{padding:60px 0;}
  .section-head{margin-bottom:32px;}
  .hero h1{font-size:clamp(28px,7vw,34px);}
  .hero-lead{font-size:16px;}
  .hero-actions .btn{flex:1 1 auto;}
  .hero-float{position:static;margin-top:16px;right:auto;bottom:auto;width:100%;}
  .hero-media{aspect-ratio:16/10;}
  .stats{padding:48px 0;}
  .stats .stat{margin-bottom:8px;}
  .form-card{padding:22px;margin-top:32px;}
  .case-body{padding:22px;margin-top:20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{bottom:74px;right:14px;}
}
@media screen and (max-width:520px){
  .container{padding:0 16px;}
  .btn{height:46px;padding:0 20px;font-size:14.5px;}
  .grid-margin-x{margin-left:-8px;margin-right:-8px;}
  .grid-margin-x>.cell{padding-left:8px;padding-right:8px;}
  .service-card{padding:22px;}
  .news-body{padding:18px;}
  .footer-brand p{max-width:none;}
}

/* roulang page: article */
:root{
  --c-primary:#0B7C6A;
  --c-primary-dark:#086052;
  --c-accent-a:#14C8A8;
  --c-accent-b:#E5531C;
  --c-accent-b-dark:#C6430F;
  --c-ink:#12161B;
  --c-text:#39424B;
  --c-muted:#6C7680;
  --c-bg:#F7F8F7;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF3F1;
  --c-line:#E3E8E6;
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:14px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(18,22,27,.04), 0 8px 24px rgba(18,22,27,.06);
  --sh-card-hover:0 10px 28px rgba(18,22,27,.10);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --container:1240px;
  --font: "PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-primary-dark)}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:700}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--c-accent-a);outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0;color:#fff}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(18,22,27,.07)}
.header-inner{display:flex;align-items:center;gap:22px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;flex:none;
}
.logo-mark svg{width:22px;height:22px}
.logo-text{display:flex;flex-direction:column;line-height:1.08}
.logo-text strong{font-size:17px;font-weight:800;color:var(--c-ink);letter-spacing:.02em}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:.18em;color:var(--c-muted)}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{
  position:relative;display:inline-block;padding:9px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--c-text);
  transition:color var(--t),background-color var(--t);
}
.main-nav a:hover{color:var(--c-primary);background:var(--c-surface-2)}
.main-nav a.active{color:var(--c-primary);font-weight:600}
.main-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;background:var(--c-accent-a);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent-b);color:#fff}
.btn-primary:hover{background:var(--c-accent-b-dark);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:var(--c-surface);border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-surface-2);color:var(--c-primary-dark)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:focus-visible{outline:2px solid var(--c-accent-a);outline-offset:2px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:border-color var(--t),color var(--t);
}
.text-link i{transition:transform var(--t)}
.text-link:hover{border-color:var(--c-accent-a);color:var(--c-primary-dark)}
.text-link:hover i{transform:translateX(4px)}

/* ---------- 汉堡与抽屉 ---------- */
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:var(--t)}
.nav-toggle:hover{border-color:#CFE0DA;background:var(--c-surface-2)}
.drawer{
  position:fixed;inset:0;z-index:120;background:var(--c-surface);
  padding:20px 22px 32px;display:flex;flex-direction:column;
  transform:translateX(102%);visibility:hidden;
  transition:transform var(--t),visibility var(--t);
}
.drawer.is-open{transform:none;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line)}
.drawer-title{font-size:15px;font-weight:700;color:var(--c-ink)}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink)}
.drawer-nav{display:flex;flex-direction:column;margin:10px 0 22px}
.drawer-nav a{
  padding:15px 4px;font-size:16px;font-weight:500;color:var(--c-text);border-bottom:1px solid var(--c-line);
}
.drawer-nav a.active{color:var(--c-primary);font-weight:700}
.drawer-nav a:hover{color:var(--c-primary)}
.drawer-cta{width:100%}

/* ---------- 面包屑与文章头 ---------- */
.breadcrumb{font-size:13px;color:var(--c-muted);padding:20px 0 0;line-height:1.6}
.breadcrumb a{color:var(--c-muted)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{margin:0 6px;color:#C3CBC8}
.breadcrumb .now{color:var(--c-text)}
.article-head{padding:18px 0 26px;border-bottom:1px solid var(--c-line)}
.article-head h1{
  font-size:clamp(26px,3.6vw,40px);line-height:1.28;font-weight:800;
  max-width:880px;letter-spacing:-.01em;margin:0 0 18px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;font-size:14px;color:var(--c-muted)}
.article-meta .divider{color:#CBD3D0}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.article-meta i{color:var(--c-primary);font-size:13px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--r-pill);
  background:var(--c-surface-2);color:var(--c-primary);font-size:12px;font-weight:600;letter-spacing:.06em;
}
.badge-hot{background:var(--c-accent-b);color:#fff}

/* ---------- 阅读工具条 ---------- */
.reader-tools{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 0;border-bottom:1px dashed var(--c-line);font-size:14px;color:var(--c-muted);
}
.reader-tools .tool-label{display:inline-flex;align-items:center;gap:8px}
.reader-tools .tool-label i{color:var(--c-primary)}
.tool-group{display:flex;align-items:center;gap:8px}
.tool-btn{
  height:34px;min-width:34px;padding:0 12px;border-radius:8px;background:#fff;
  border:1px solid var(--c-line);color:var(--c-text);font-size:13px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;transition:var(--t);
}
.tool-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-surface-2)}
.tool-btn.is-on{background:var(--c-surface-2);border-color:var(--c-primary);color:var(--c-primary)}

/* ---------- 正文 ---------- */
.article-layout{padding:44px 0 8px}
.article-body{
  max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--c-text);
  word-break:break-word;
}
.article-body.is-small{font-size:15.5px}
.article-body.is-large{font-size:18.5px}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:clamp(21px,2.4vw,26px);line-height:1.4;color:var(--c-ink);
  margin:2.2em 0 .9em;padding-left:14px;border-left:4px solid var(--c-primary);
}
.article-body h3{font-size:19px;line-height:1.5;color:var(--c-ink);margin:1.8em 0 .7em;font-weight:600}
.article-body h4{font-size:17px;line-height:1.5;color:var(--c-ink);margin:1.5em 0 .6em;font-weight:600}
.article-body strong{color:var(--c-ink);font-weight:700}
.article-body ul{margin:0 0 1.3em}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.6em}
.article-body ul li::before{
  content:"";position:absolute;left:3px;top:.78em;width:6px;height:6px;border-radius:50%;background:var(--c-primary);
}
.article-body ol{list-style:decimal;padding-left:24px;margin:0 0 1.3em}
.article-body ol li{margin-bottom:.6em;padding-left:2px}
.article-body ol li::marker{color:var(--c-primary);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--c-surface-2);
  border-left:3px solid var(--c-accent-a);border-radius:10px;color:#2F3A42;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:1.4em 0;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figure img{margin-bottom:.6em}
.article-body figcaption{font-size:13px;color:var(--c-muted);text-align:center}
.article-body a{border-bottom:1px solid rgba(11,124,106,.3)}
.article-body a:hover{border-color:var(--c-accent-a)}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--c-line);border-radius:12px;overflow:hidden;
}
.article-body thead th{background:var(--c-surface-2);color:var(--c-ink);font-weight:600}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border:0}
.article-body tbody tr:nth-child(even){background:#F9FBFA}
.article-body tbody tr + tr{border-top:1px solid var(--c-line)}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2.4em 0}
.article-body pre{
  background:#12161B;color:#E6EDEA;padding:18px 20px;border-radius:12px;overflow:auto;
  font-size:14px;line-height:1.7;
}
.article-body code{background:var(--c-surface-2);padding:2px 6px;border-radius:6px;font-size:15px;color:#0B5F52}

/* 正文中段转化卡 */
.inline-cta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  background:var(--c-surface-2);border:1px solid #DCE7E3;border-radius:var(--r-card);
  padding:24px 26px;margin:2.2em 0;
}
.inline-cta h3{font-size:18px;margin:0 0 6px;color:var(--c-ink)}
.inline-cta p{margin:0;font-size:14px;line-height:1.7;color:var(--c-muted)}
.inline-cta .cta-copy{flex:1 1 320px;min-width:240px}

/* 空态 */
.empty-state{
  max-width:760px;margin:0 auto;text-align:center;padding:64px 20px;color:var(--c-muted);
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.empty-state i{font-size:56px;color:var(--c-primary);opacity:.85;display:block;margin-bottom:16px}
.empty-state p{font-size:14px;margin:0 0 20px}
.empty-state .btn{margin:0 auto}

/* ---------- 文末 ---------- */
.post-nav{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;
  max-width:960px;margin:52px auto 0;
}
.post-nav-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.post-nav-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:#CFE0DA}
.post-nav-card .pn-label{font-size:12px;letter-spacing:.08em;color:var(--c-muted);display:flex;align-items:center;gap:6px}
.post-nav-card .pn-title{display:block;margin-top:8px;font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.6}
.post-nav-card:hover .pn-title{color:var(--c-primary)}

.related-section{padding:64px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
.section-head h2{font-size:clamp(22px,2.6vw,28px);line-height:1.35;position:relative;padding-left:14px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:3px;background:var(--c-primary);
}
.section-head .sub{font-size:14px;color:var(--c-muted);margin:6px 0 0;padding-left:14px}
.card-grid{margin-bottom:0}
.card{
  position:relative;display:block;height:100%;padding:0;margin:0;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:#CFE0DA}
.card-media{position:relative;aspect-ratio:16/9;background:#EEF3F1;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1)}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{position:absolute;left:12px;top:12px;background:rgba(238,243,241,.94)}
.card-body{padding:20px 22px 22px}
.card-title{
  font-size:18px;line-height:1.5;font-weight:600;color:var(--c-ink);margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card:hover .card-title{color:var(--c-primary)}
.card-desc{
  font-size:14px;line-height:1.75;color:var(--c-muted);margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted)}
.card-meta i{color:var(--c-primary);font-size:12px}

.back-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:56px 0 0}
.to-top{
  position:fixed;right:20px;bottom:84px;z-index:55;
  width:46px;height:46px;border-radius:50%;background:var(--c-surface);
  border:1.5px solid var(--c-primary);color:var(--c-primary);
  display:grid;place-items:center;font-size:16px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--t),visibility var(--t),transform var(--t),background-color var(--t);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--c-surface-2)}

/* ---------- 底部 Tab ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:var(--c-surface);border-top:1px solid var(--c-line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar-inner{display:flex;align-items:stretch}
.tab-item{
  position:relative;flex:1 1 0;min-width:0;height:56px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--c-muted);font-weight:500;
}
.tab-item i{font-size:17px}
.tab-item span{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 2px}
.tab-item.active{color:var(--c-primary);font-weight:700}
.tab-item.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:32px;height:2px;border-radius:2px;background:var(--c-accent-a);
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#C9D1D6;font-size:14px;padding:64px 0 0;margin-top:84px}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 16px}
.site-footer a{color:#C9D1D6}
.site-footer a:hover{color:var(--c-accent-a)}
.site-footer .logo-text strong{color:#fff}
.site-footer .logo-text em{color:#8D979E}
.site-footer .logo-mark{background:var(--c-primary)}
.footer-col{margin-bottom:30px}
.footer-brand p{color:#98A3AB;line-height:1.8;margin:12px 0 0;max-width:320px}
.footer-col ul li{margin-bottom:10px}
.fc-line{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.fc-line i{color:var(--c-accent-a);width:16px;text-align:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);margin-top:10px;padding:20px 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;font-size:13px;color:#8D979E;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .header-inner{height:66px;gap:14px}
  .main-nav a{padding:8px 10px;font-size:14px}
  .header-ghost{display:none}
  .site-footer{margin-top:64px}
}
@media (max-width:768px){
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
  .container{padding:0 16px}
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:60px}
  .logo-mark{width:34px;height:34px;border-radius:10px}
  .logo-text strong{font-size:15px}
  .logo-text em{font-size:10px;letter-spacing:.12em}
  .btn{height:44px;padding:0 20px;font-size:14.5px}
  .btn-sm{height:38px}
  .tabbar{display:block}
  .article-head h1{font-size:24px}
  .article-layout{padding:30px 0 0}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{margin:1.9em 0 .8em;padding-left:12px}
  .inline-cta{padding:20px;flex-direction:column;align-items:flex-start}
  .inline-cta .btn{width:100%}
  .post-nav{grid-template-columns:minmax(0,1fr);margin-top:38px}
  .related-section{padding:48px 0 0}
  .section-head{flex-direction:column;align-items:flex-start}
  .site-footer{padding:46px 0 0;margin-top:56px}
  .footer-bottom{font-size:12px}
  .to-top{bottom:78px;right:16px}
  .reader-tools{padding:12px 0}
}
@media (min-width:769px) and (max-width:1024px){
  .to-top{bottom:28px}
}
@media (min-width:1025px){
  .to-top{bottom:32px;right:28px}
}
@media (min-width:1440px){
  .container{max-width:var(--container)}
}

/* roulang page: category1 */
:root{
  --c-primary:#0B7C6A;
  --c-primary-dark:#096355;
  --c-primary-soft:#0B7C6A;
  --c-accent-a:#14C8A8;
  --c-accent-b:#E5531C;
  --c-accent-b-dark:#C64413;
  --c-ink:#12161B;
  --c-text:#39424B;
  --c-muted:#6C7680;
  --c-bg:#F7F8F7;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF3F1;
  --c-line:#E3E8E6;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(18,22,27,.04),0 8px 24px rgba(18,22,27,.06);
  --sh-2:0 10px 28px rgba(18,22,27,.10);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-primary-dark)}
button{font-family:var(--font)}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700}
h1{font-size:clamp(30px,4.6vw,48px);line-height:1.22;font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3}
h3{font-size:20px;line-height:1.45;font-weight:600}
h4{font-size:17px;line-height:1.5;font-weight:600}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.container{max-width:1240px;margin:0 auto;padding:0 32px;width:100%}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{margin-left:12px;margin-right:12px}
::selection{background:rgba(20,200,168,.28)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--c-accent-a);outline-offset:2px}
.btn-primary{background:var(--c-accent-b);color:#fff}
.btn-primary:hover{background:var(--c-accent-b-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-surface-2);color:var(--c-primary-dark);border-color:var(--c-primary-dark)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-btn)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);
  border-bottom:2px solid transparent;padding-bottom:2px;transition:border-color var(--t),color var(--t);
}
.btn-text i{transition:transform var(--t)}
.btn-text:hover{border-bottom-color:var(--c-accent-a);color:var(--c-primary-dark)}
.btn-text:hover i{transform:translateX(4px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  background:var(--c-surface-2);color:var(--c-primary);font-size:12px;font-weight:600;letter-spacing:.06em;
}
.badge-hot{background:var(--c-accent-b);color:#fff}
.badge-line{background:transparent;border:1px solid var(--c-accent-a);color:var(--c-primary)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t);
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(18,22,27,.07)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:11px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.logo-mark svg{width:21px;height:21px}
.logo-text{display:flex;align-items:baseline;gap:3px;color:var(--c-ink);line-height:1.1}
.logo-text strong{font-size:19px;font-weight:800;letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:13px;font-weight:600;color:var(--c-primary)}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{
  display:inline-block;padding:8px 14px;border-radius:8px;font-size:15px;font-weight:500;color:var(--c-text);
  position:relative;transition:color var(--t),background var(--t);
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-accent-a);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.main-nav a:hover{color:var(--c-primary);background:var(--c-surface-2)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--c-primary);font-weight:700}
.main-nav a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.hamburger{
  display:none;width:42px;height:42px;border:1px solid var(--c-line);border-radius:10px;background:#fff;
  flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;padding:0;
}
.hamburger span{display:block;width:18px;height:1.8px;background:var(--c-ink);border-radius:2px;transition:transform var(--t),opacity var(--t)}
.hamburger:focus-visible{outline:2px solid var(--c-accent-a);outline-offset:2px}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:#fff;padding:20px 20px 32px;
  transform:translateX(100%);transition:transform 260ms cubic-bezier(.2,.7,.3,1);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  font-size:18px;cursor:pointer;
}
.drawer-close:focus-visible{outline:2px solid var(--c-accent-a);outline-offset:2px}
.drawer-nav li+li{border-top:1px solid var(--c-line)}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;padding:16px 4px;font-size:17px;color:var(--c-ink);font-weight:600}
.drawer-nav a.active{color:var(--c-primary)}
.drawer-nav a i{color:var(--c-muted);font-size:14px}
.drawer-cta{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.drawer-cta .btn{width:100%}

/* ---------- 面包屑 & 分类 Hero ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:16px}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:var(--c-line)}
.crumb .cur{color:var(--c-text)}
.cat-hero{
  position:relative;min-height:280px;display:flex;align-items:center;padding:44px 0;
  background:var(--c-surface-2) url('/assets/images/backpic/back-3.png') right center/cover no-repeat;
  border-bottom:1px solid var(--c-line);overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(238,243,241,.97) 0%,rgba(238,243,241,.93) 48%,rgba(238,243,241,.42) 100%);
}
.cat-hero .container{position:relative;z-index:1}
.cat-hero h1{max-width:820px;margin:14px 0 12px}
.cat-hero .hero-lead{font-size:17px;color:var(--c-text);max-width:640px;margin-bottom:18px}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:var(--c-muted)}
.hero-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--c-accent-a)}
.hero-meta .vr{width:1px;height:14px;background:var(--c-line)}

/* ---------- 布局 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-white{background:#fff}
.section-soft{background:var(--c-surface-2)}
.sec-head{max-width:760px;margin-bottom:28px}
.sec-head h2{margin-bottom:12px}
.sec-head p{color:var(--c-muted);font-size:16px;margin:0}
.sec-index{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--font-num);font-size:12px;font-weight:700;
  letter-spacing:.14em;color:var(--c-primary);margin-bottom:12px;
}
.sec-index::before{content:"";width:18px;height:2px;background:var(--c-accent-a);border-radius:2px}

.layout-grid{align-items:flex-start}
.main-col{min-width:0}
.side-col{min-width:0}
.sticky-wrap{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}

.block + .block{margin-top:56px}
.block-head{display:flex;align-items:flex-start;gap:12px;margin-bottom:20px;padding-left:14px;position:relative}
.block-head::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--c-primary)}
.block-head h2{font-size:clamp(22px,2.4vw,28px)}
.block-head p{margin:8px 0 0;color:var(--c-muted);font-size:15px}

/* ---------- 卡片 ---------- */
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px;transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.card-hover:hover{box-shadow:var(--sh-2);transform:translateY(-4px)}
.side-card{padding:22px}
.side-card h4{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h4 i{color:var(--c-primary);font-size:14px}
.side-links li+li{border-top:1px solid var(--c-line)}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;
  font-size:14.5px;color:var(--c-text);line-height:1.5;transition:color var(--t),background var(--t);
}
.side-links a:hover{color:var(--c-primary)}
.side-links a i{font-size:12px;color:var(--c-accent-a);flex:0 0 auto;transition:transform var(--t)}
.side-links a:hover i{transform:translateX(4px)}
.side-links a.current{color:var(--c-primary);font-weight:700}
.side-contact .fc-line{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-text);padding:6px 0}
.side-contact .fc-line i{color:var(--c-primary);width:16px;text-align:center;font-size:14px}

/* ---------- 数据条 ---------- */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--c-line);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden}
.stat{background:#fff;padding:22px 20px}
.stat .num{font-family:var(--font-num);font-size:34px;font-weight:800;color:var(--c-ink);line-height:1.1;letter-spacing:-.01em}
.stat .num em{font-style:normal;font-size:15px;font-weight:700;color:var(--c-accent-b);margin-left:2px}
.stat .lbl{font-size:13.5px;color:var(--c-muted);margin-top:6px;line-height:1.6}

/* ---------- 要点列表 ---------- */
.point-list{display:flex;flex-direction:column;gap:14px}
.point{display:flex;gap:14px;padding:18px 20px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform var(--t),border-color var(--t),box-shadow var(--t)}
.point:hover{transform:translateY(-3px);border-color:#CFDCD8;box-shadow:var(--sh-2)}
.point .ico{
  width:38px;height:38px;flex:0 0 auto;border-radius:11px;background:var(--c-surface-2);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.point h3{font-size:16.5px;margin-bottom:4px}
.point p{font-size:14.5px;color:var(--c-muted);margin:0;line-height:1.75}

/* ---------- 竖向步骤 ---------- */
.steps-v{position:relative;padding-left:30px}
.steps-v::before{content:"";position:absolute;left:11px;top:10px;bottom:14px;width:1px;background:var(--c-line)}
.step-v{position:relative;padding-bottom:24px}
.step-v:last-child{padding-bottom:0}
.step-v .dot{
  position:absolute;left:-30px;top:2px;width:23px;height:23px;border-radius:50%;background:#fff;
  border:1.5px solid var(--c-primary);color:var(--c-primary);
  font-family:var(--font-num);font-size:10.5px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.step-v h3{font-size:17px;margin-bottom:4px}
.step-v p{font-size:14.5px;color:var(--c-muted);margin:0;line-height:1.75}

/* ---------- 图位 ---------- */
.thumb{
  position:relative;background:var(--c-surface-2);border-radius:var(--r-img);overflow:hidden;
}
.thumb-169{aspect-ratio:16/9}
.thumb-43{aspect-ratio:4/3}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform 260ms cubic-bezier(.2,.7,.3,1)}

/* ---------- 场景图块 ---------- */
.scene{display:grid;grid-template-columns:200px 1fr;gap:22px;align-items:center;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:18px;transition:transform var(--t),box-shadow var(--t)}
.scene:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.scene .thumb{aspect-ratio:4/3}
.scene h3{font-size:17px;margin-bottom:6px}
.scene p{font-size:14.5px;color:var(--c-muted);margin:0 0 8px;line-height:1.75}
.scene-list{display:flex;flex-direction:column;gap:16px}

/* ---------- FAQ ---------- */
.faq{max-width:860px}
.faq details{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;margin-bottom:12px;overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq details[open]{border-left:3px solid var(--c-primary);box-shadow:var(--sh-1)}
.faq summary{
  list-style:none;cursor:pointer;padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.5;
}
.faq summary::-webkit-details-marker{display:none}
.faq details[open] summary{color:var(--c-primary)}
.faq summary i{color:var(--c-muted);font-size:14px;transition:transform var(--t)}
.faq details[open] summary i{transform:rotate(180deg);color:var(--c-primary)}
.faq .ans{padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--c-muted);margin:0}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--c-ink);padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-text h2{color:#fff;margin-bottom:10px;font-size:clamp(22px,2.4vw,30px)}
.cta-text p{color:rgba(255,255,255,.72);font-size:15px;margin:0;max-width:640px}
.cta-band .btn-primary{flex:0 0 auto}

/* ---------- 相关内容卡 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  overflow:hidden;display:flex;flex-direction:column;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFDCD8}
.rel-card .thumb{border-radius:0}
.rel-card:hover .thumb img{transform:scale(1.04)}
.rel-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card .badge{align-self:flex-start}
.rel-card h3{font-size:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card h3 a{color:var(--c-ink)}
.rel-card h3 a:hover{color:var(--c-primary)}
.rel-card .sum{font-size:14.5px;color:var(--c-muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.7}
.rel-card .meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);padding-top:6px}
.rel-card .meta .more{color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.rel-card .meta .more i{transition:transform var(--t)}
.rel-card:hover .meta .more i{transform:translateX(4px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.78);padding:64px 0 24px;font-size:14px}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.site-footer a{color:rgba(255,255,255,.78)}
.site-footer a:hover{color:var(--c-accent-a)}
.footer-col{margin-bottom:32px}
.footer-brand p{color:rgba(255,255,255,.62);line-height:1.8;margin:0;max-width:300px}
.site-footer .logo-text strong{color:#fff}
.site-footer .logo-text em{color:var(--c-accent-a)}
.site-footer .logo-mark{background:var(--c-primary)}
.footer-col ul li{margin-bottom:10px}
.fc-line{display:flex;align-items:center;gap:10px;margin-bottom:10px;color:rgba(255,255,255,.78)}
.fc-line i{color:var(--c-accent-a);width:16px;text-align:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 底部 Tab ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--c-line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar ul{display:flex}
.tabbar li{flex:1}
.tabbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;height:56px;
  font-size:11.5px;color:var(--c-muted);position:relative;font-weight:500;
}
.tabbar a i{font-size:17px}
.tabbar a.active{color:var(--c-primary);font-weight:700}
.tabbar a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;
  background:var(--c-accent-a);border-radius:2px;
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:65;width:46px;height:46px;border-radius:50%;
  background:#fff;border:1.5px solid var(--c-primary);color:var(--c-primary);cursor:pointer;
  display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t),background var(--t),color var(--t);
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--c-primary);color:#fff}
.to-top:focus-visible{outline:2px solid var(--c-accent-a);outline-offset:2px}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .main-nav{display:none}
  .hamburger{display:flex}
  .header-actions .btn-ghost{display:none}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .sticky-wrap{position:static}
  .scene{grid-template-columns:170px 1fr}
}
@media screen and (max-width:768px){
  .tabbar{display:block}
  body{padding-bottom:72px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:20px}
  .cta-band .btn-primary{width:100%}
  .header-actions .btn-primary{display:none}
  .cat-hero{min-height:240px;padding:36px 0}
  .cat-hero::before{background:linear-gradient(180deg,rgba(238,243,241,.97) 0%,rgba(238,243,241,.88) 70%,rgba(238,243,241,.6) 100%)}
  .to-top{bottom:84px;right:16px}
}
@media screen and (max-width:640px){
  .container{padding:0 16px}
  .grid-margin-x{margin-left:-8px;margin-right:-8px}
  .grid-margin-x>.cell{margin-left:8px;margin-right:8px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .header-inner{height:64px;gap:12px}
  .logo-text em{font-size:12px}
  .rel-grid{grid-template-columns:1fr}
  .scene{grid-template-columns:1fr;gap:14px}
  .card{padding:20px}
  .stat{padding:18px 16px}
  .stat .num{font-size:28px}
  .faq summary{font-size:16px;padding:14px 16px}
  .faq .ans{padding:0 16px 16px}
  .block + .block{margin-top:44px}
  .steps-v{padding-left:26px}
  .step-v .dot{left:-26px}
  .steps-v::before{left:11px}
}
@media screen and (max-width:400px){
  .hero-meta{font-size:13px;gap:10px}
  .logo-text strong{font-size:17px}
}

/* roulang page: category2 */
:root{
  --c-primary:#0B7C6A;
  --c-primary-dark:#086354;
  --c-accent-a:#14C8A8;
  --c-accent-b:#E5531C;
  --c-accent-b-dark:#C6430F;
  --c-ink:#12161B;
  --c-text:#39424B;
  --c-muted:#6C7680;
  --c-bg:#F7F8F7;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF3F1;
  --c-line:#E3E8E6;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(18,22,27,.04), 0 8px 24px rgba(18,22,27,.06);
  --sh-2:0 10px 28px rgba(18,22,27,.10);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;}
h1{font-size:clamp(30px,4.6vw,48px);line-height:1.22;font-weight:800;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus{outline:none;}
:focus-visible{outline:2px solid var(--c-accent-a);outline-offset:2px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow var(--t);}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,22,27,.07);}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{width:38px;height:38px;border-radius:10px;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.logo-mark svg{width:22px;height:22px;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:16px;color:var(--c-ink);letter-spacing:.02em;}
.logo-text em{font-style:normal;font-size:11px;color:var(--c-muted);letter-spacing:.06em;}
.main-nav{flex:1 1 auto;}
.main-nav ul{display:flex;justify-content:center;gap:4px;}
.main-nav a{display:block;padding:9px 14px;border-radius:999px;font-size:15px;color:var(--c-text);transition:background var(--t),color var(--t);}
.main-nav a:hover{background:var(--c-surface-2);color:var(--c-primary);}
.main-nav a.active{color:var(--c-primary);font-weight:600;background:var(--c-surface-2);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--r-btn);font-size:15.5px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);}
.btn i{transition:transform var(--t);}
.btn-primary{background:var(--c-accent-b);color:#fff;}
.btn-primary:hover{background:var(--c-accent-b-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(229,83,28,.24);}
.btn-primary:hover i{transform:translateX(4px);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-surface-2);color:var(--c-primary);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);position:relative;}
.btn-link::after{content:"";position:absolute;left:0;right:20px;bottom:-4px;height:2px;background:var(--c-accent-a);transform:scaleX(0);transform-origin:left;transition:transform var(--t);}
.btn-link:hover{color:var(--c-primary);}
.btn-link:hover::after{transform:scaleX(1);}
.btn-link:hover i{transform:translateX(4px);}

/* ---------- page hero ---------- */
.page-hero{position:relative;background:var(--c-surface-2);padding:44px 0 62px;overflow:hidden;}
.page-hero::before{content:"";position:absolute;right:0;top:0;bottom:0;width:44%;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.16;}
.page-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--c-line);}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:16px;flex-wrap:wrap;}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb i{font-size:10px;color:#A9B2B8;}
.page-hero h1{max-width:760px;color:var(--c-ink);}
.page-hero .hero-lead{max-width:660px;margin-top:16px;font-size:17px;line-height:1.8;color:var(--c-muted);}

/* ---------- filter bar ---------- */
.filter-bar{position:relative;z-index:5;margin-top:-34px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.filter-tabs{display:flex;gap:8px;flex-wrap:wrap;}
.filter-pill{display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 16px;border-radius:999px;background:var(--c-surface-2);color:var(--c-text);font-size:14px;border:1px solid transparent;transition:background var(--t),color var(--t),border-color var(--t);}
.filter-pill:hover{background:#E4EBE8;color:var(--c-primary);}
.filter-pill.is-active{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.filter-search{position:relative;}
.filter-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--c-muted);font-size:14px;}
.filter-search input{width:268px;height:44px;padding:0 14px 0 38px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;font-size:14px;transition:border-color var(--t),box-shadow var(--t);}
.filter-search input::placeholder{color:#9AA4AB;}
.filter-search input:focus{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(20,200,168,.16);}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:36px;max-width:760px;}
.section-head .kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;color:var(--c-primary);font-weight:600;margin-bottom:12px;}
.section-head .kicker::before{content:"";width:18px;height:2px;background:var(--c-accent-a);display:inline-block;}
.section-head p{margin-top:12px;color:var(--c-muted);font-size:16px;}

/* ---------- cards grid ---------- */
.card-grid > .cell{margin-bottom:24px;}
.info-card{display:flex;flex-direction:column;height:100%;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:transform var(--t),box-shadow var(--t),border-color var(--t);}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D2DBD8;}
.card-media{position:relative;aspect-ratio:16/9;background:var(--c-surface-2);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1);}
.info-card:hover .card-media img{transform:scale(1.04);}
.card-badge{position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.94);color:var(--c-primary);font-size:12px;letter-spacing:.06em;font-weight:600;}
.card-badge.is-hot{background:var(--c-accent-b);color:#fff;}
.card-body{display:flex;flex-direction:column;flex:1 1 auto;padding:20px 22px 22px;}
.card-body h3{margin-bottom:10px;font-size:19px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body h3 a{color:var(--c-ink);}
.card-body h3 a:hover{color:var(--c-primary);}
.card-desc{margin:0 0 18px;font-size:14.5px;line-height:1.7;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--c-muted);}
.card-foot .date i{margin-right:6px;color:var(--c-accent-a);}
.card-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.card-more i{transition:transform var(--t);}
.info-card:hover .card-more i{transform:translateX(4px);}
.card-hidden{display:none !important;}

/* ---------- empty state ---------- */
.empty-state{text-align:center;padding:64px 20px;background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);}
.empty-state i{font-size:64px;color:var(--c-primary);opacity:.75;line-height:1;display:block;margin-bottom:18px;}
.empty-state p{font-size:14px;color:var(--c-muted);margin-bottom:20px;}

/* ---------- checklist band ---------- */
.check-band{background:var(--c-surface-2);padding:88px 0;}
.check-band .band-title h2{margin-bottom:14px;}
.check-band .band-title p{color:var(--c-muted);font-size:16px;max-width:420px;}
.check-list li{display:flex;gap:14px;padding:18px 0;border-bottom:1px dashed #D6E0DD;}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-num{flex:0 0 auto;width:28px;height:28px;border-radius:8px;background:#fff;color:var(--c-primary);font-family:var(--font-num);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:2px;}
.check-list h3{font-size:17px;margin-bottom:4px;}
.check-list p{margin:0;font-size:14.5px;color:var(--c-muted);}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:12px;margin-bottom:14px;transition:border-color var(--t),box-shadow var(--t);}
.faq-item:hover{border-color:#D2DBD8;box-shadow:var(--sh-1);}
.faq-item[open]{border-left:3px solid var(--c-primary);}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:17px;font-weight:600;color:var(--c-ink);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--c-muted);transition:transform var(--t),color var(--t);flex:0 0 auto;}
.faq-item[open] summary{color:var(--c-primary);}
.faq-item[open] summary i{transform:rotate(180deg);color:var(--c-primary);}
.faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-text);}

/* ---------- cta band ---------- */
.cta-band{background:var(--c-ink);padding:56px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:clamp(20px,2.4vw,26px);margin-bottom:10px;}
.cta-inner p{color:#B6BFC5;font-size:15px;margin:0;max-width:640px;}

/* ---------- related ---------- */
.related-item{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 6px;border-bottom:1px solid var(--c-line);transition:background var(--t);}
.related-item:first-child{border-top:1px solid var(--c-line);}
.related-item:hover{background:var(--c-bg);}
.related-item h3{font-size:17px;margin-bottom:4px;}
.related-item h3 a{color:var(--c-ink);}
.related-item h3 a:hover{color:var(--c-primary);}
.related-item p{margin:0;font-size:14px;color:var(--c-muted);}
.related-item > i{color:var(--c-primary);flex:0 0 auto;transition:transform var(--t);}
.related-item:hover > i{transform:translateX(4px);}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:#fff;padding:72px 0 0;}
.site-footer .logo-text strong{color:#fff;}
.site-footer .logo-text em{color:#9AA4AB;}
.footer-col{margin-bottom:36px;}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:18px;}
.footer-col p{font-size:14px;line-height:1.75;color:#A9B2B8;margin:14px 0 0;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:#C6CDD2;font-size:14px;}
.footer-col ul a:hover{color:var(--c-accent-a);}
.fc-line{display:flex;align-items:center;gap:10px;font-size:14px;color:#C6CDD2;margin-bottom:12px;}
.fc-line i{color:var(--c-accent-a);width:16px;text-align:center;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#8E979E;}

/* ---------- mobile drawer & tabbar ---------- */
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);align-items:center;justify-content:center;font-size:16px;}
.drawer{position:fixed;inset:0;z-index:120;background:#fff;display:flex;flex-direction:column;padding:20px 20px calc(28px + env(safe-area-inset-bottom));transform:translateX(100%);transition:transform 260ms cubic-bezier(.2,.7,.3,1);}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);display:flex;align-items:center;justify-content:center;font-size:16px;}
.drawer-nav a{display:block;padding:16px 4px;font-size:17px;color:var(--c-ink);border-bottom:1px solid var(--c-line);}
.drawer-nav a.active{color:var(--c-primary);font-weight:600;}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
body.no-scroll{overflow:hidden;}
.mobile-tabbar{display:none;}

.to-top{position:fixed;right:24px;bottom:24px;z-index:70;width:46px;height:46px;border-radius:50%;background:#fff;border:1.5px solid var(--c-primary);color:var(--c-primary);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity var(--t),transform var(--t);}
.to-top.is-visible{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-3px);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .header-inner{gap:16px;}
  .main-nav a{padding:8px 10px;font-size:14px;}
  .section{padding:72px 0;}
  .check-band{padding:72px 0;}
  .page-hero{padding:36px 0 52px;}
  .filter-search input{width:220px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  body{padding-bottom:64px;font-size:16px;line-height:1.8;}
  .header-inner{height:62px;justify-content:space-between;}
  .main-nav{display:none;}
  .header-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-hero{padding:28px 0 46px;}
  .page-hero::before{width:70%;opacity:.12;}
  .page-hero .hero-lead{font-size:15.5px;margin-top:12px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .check-band{padding:56px 0;}
  .filter-bar{margin-top:-28px;padding:14px;}
  .filter-tabs{gap:6px;overflow-x:auto;flex-wrap:nowrap;width:100%;padding-bottom:4px;}
  .filter-pill{flex:0 0 auto;height:36px;padding:0 14px;font-size:13.5px;}
  .filter-search{width:100%;}
  .filter-search input{width:100%;}
  .cta-band{padding:44px 0;}
  .site-footer{padding:52px 0 0;}
  .footer-col{margin-bottom:26px;}
  .related-item{align-items:flex-start;}
  .to-top{right:16px;bottom:74px;width:42px;height:42px;}
  .mobile-tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:80;height:56px;background:#fff;border-top:1px solid var(--c-line);padding-bottom:env(safe-area-inset-bottom);}
  .mobile-tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:var(--c-muted);position:relative;line-height:1.2;}
  .mobile-tabbar a i{font-size:17px;}
  .mobile-tabbar a.active{color:var(--c-primary);font-weight:600;}
  .mobile-tabbar a.active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;border-radius:2px;background:var(--c-accent-a);}
}
@media (max-width:520px){
  h1{font-size:27px;}
  .card-body{padding:18px;}
  .faq-item summary{padding:16px 16px;font-size:16px;}
  .faq-answer{padding:0 16px 18px;}
  .cta-inner .btn{width:100%;}
}

/* roulang page: category3 */
/* ============ 1. 设计变量 ============ */
:root{
  --c-primary:#0B7C6A;
  --c-primary-dark:#096354;
  --c-accent-a:#14C8A8;
  --c-accent-b:#E5531C;
  --c-accent-b-dark:#C9450F;
  --c-ink:#12161B;
  --c-text:#39424B;
  --c-muted:#6C7680;
  --c-bg:#F7F8F7;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF3F1;
  --c-line:#E3E8E6;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(18,22,27,.04), 0 8px 24px rgba(18,22,27,.06);
  --shadow-2:0 10px 28px rgba(18,22,27,.10);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ============ 2. 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t);}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-family:var(--font-cn);}
h1{font-size:clamp(30px,4.6vw,48px);line-height:1.22;font-weight:800;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;}
::selection{background:rgba(20,200,168,.28);}

/* 覆盖 Foundation 默认链接与按钮 */
a:not(.btn):not(.logo):not(.tab-link){color:var(--c-primary);}
button,.button{border-radius:var(--radius-btn);}
:focus-visible{outline:2px solid var(--c-accent-a);outline-offset:2px;}
a:focus:not(:focus-visible),button:focus:not(:focus-visible){outline:none;}

/* ============ 3. 容器与板块 ============ */
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.section{padding:96px 0;}
.section--tight{padding:56px 0;}
.section--white{background:var(--c-surface);}
.section--soft{background:var(--c-surface-2);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{position:relative;padding-left:18px;}
.section-head h2::before{
  content:"";
  position:absolute;left:0;top:.24em;bottom:.24em;width:4px;border-radius:4px;
  background:var(--c-primary);
}
.section-head p{margin-top:14px;color:var(--c-muted);font-size:16px;margin-bottom:0;}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}

/* ============ 4. 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,22,27,.06);}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:72px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  color:var(--c-ink);
  flex:0 0 auto;
}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.logo-mark svg{width:22px;height:22px;}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text strong{font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--c-ink);}
.logo-text em{font-style:normal;font-size:12px;letter-spacing:.04em;color:var(--c-primary);}

.main-nav{margin-left:auto;}
.main-nav ul{display:flex;align-items:center;gap:4px;}
.main-nav a{
  display:block;padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--c-text);
  white-space:nowrap;
}
.main-nav a:hover{color:var(--c-primary);background:var(--c-surface-2);}
.main-nav a.active{
  color:var(--c-primary);background:var(--c-surface-2);font-weight:600;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:11px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  align-items:center;justify-content:center;cursor:pointer;
  transition:background var(--t),border-color var(--t);
}
.nav-toggle:hover{background:var(--c-surface-2);border-color:#cdd8d4;}

/* ============ 5. 按钮与链接 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;white-space:nowrap;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--c-accent-b);color:#fff;}
.btn-primary:hover{background:var(--c-accent-b-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-surface-2);color:var(--c-primary);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:disabled,.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;}

.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-primary);
  position:relative;
}
.link-more i{transition:transform var(--t);font-size:13px;}
.link-more::after{
  content:"";position:absolute;left:0;right:22px;bottom:-3px;height:2px;
  background:var(--c-accent-a);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.link-more:hover::after{transform:scaleX(1);}
.link-more:hover i{transform:translateX(4px);}

/* ============ 6. 徽章与标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:var(--c-surface-2);color:var(--c-primary);
  font-size:12px;font-weight:600;letter-spacing:.06em;line-height:1.6;
}
.badge-hot{background:var(--c-accent-b);color:#fff;}
.badge-outline{background:transparent;border:1px solid var(--c-accent-a);color:var(--c-primary);}

/* ============ 7. 分类矮 Hero ============ */
.page-hero{
  position:relative;
  padding:40px 0 56px;
  background:
    linear-gradient(115deg,rgba(238,243,241,.96) 0%,rgba(247,248,247,.9) 62%,rgba(238,243,241,.86) 100%),
    url("/assets/images/backpic/back-3.png") center right/cover no-repeat;
  border-bottom:1px solid var(--c-line);
  min-height:260px;
}
.page-hero::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:38%;
  background:linear-gradient(90deg,rgba(247,248,247,0),rgba(11,124,106,.06));
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--c-muted);margin-bottom:18px;
}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb i{font-size:10px;color:#a9b3b0;}
.breadcrumb .current{color:var(--c-text);font-weight:600;}
.page-hero h1{max-width:900px;}
.page-hero .lead{
  margin-top:16px;max-width:760px;
  font-size:17px;line-height:1.85;color:var(--c-text);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

/* ============ 8. 数据条 ============ */
.stats{background:var(--c-ink);padding:64px 0;color:#fff;}
.stats .stat-cell{padding:8px 12px;}
.stat-num{
  font-family:var(--font-num);
  font-size:clamp(34px,4vw,48px);
  font-weight:700;line-height:1.1;color:#fff;
  letter-spacing:-.01em;
}
.stat-num span{font-size:.5em;color:var(--c-accent-a);margin-left:6px;font-weight:600;}
.stat-num em{font-style:normal;color:var(--c-accent-b);}
.stat-label{margin-top:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.66);}
.stat-divide{border-left:1px solid rgba(255,255,255,.14);}

/* ============ 9. 时间轴 ============ */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:26px;top:14px;bottom:26px;width:1px;
  background:linear-gradient(180deg,var(--c-accent-a),var(--c-line));
}
.tl-item{
  position:relative;
  display:grid;grid-template-columns:54px 1fr;gap:24px;
  padding-bottom:24px;
}
.tl-node{
  position:relative;z-index:1;
  width:54px;height:54px;border-radius:999px;
  background:#fff;border:1.5px solid var(--c-primary);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:16px;font-weight:700;
  box-shadow:0 4px 12px rgba(11,124,106,.10);
}
.tl-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  padding:22px 24px 24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.tl-card:hover{
  transform:translateY(-3px);
  border-color:#cfdad6;
  box-shadow:var(--shadow-2);
}
.tl-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px;}
.tl-time{
  font-family:var(--font-num);
  font-size:12px;font-weight:600;color:var(--c-accent-b);
  letter-spacing:.06em;
}
.tl-card h3{font-size:19px;margin-bottom:8px;}
.tl-card p{font-size:15px;color:var(--c-muted);margin-bottom:14px;line-height:1.8;}

/* ============ 10. 节奏卡片 ============ */
.rhythm-card{
  height:100%;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.rhythm-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#cfdad6;}
.rhythm-icon{
  width:44px;height:44px;border-radius:12px;
  background:var(--c-surface-2);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:16px;
}
.rhythm-card h3{font-size:18px;margin-bottom:8px;}
.rhythm-card p{font-size:15px;color:var(--c-muted);line-height:1.8;margin-bottom:0;}

/* ============ 11. FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-left:3px solid transparent;
  border-radius:12px;
  margin-bottom:12px;
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;
  font-size:17px;font-weight:600;color:var(--c-ink);
  transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;
  background:var(--c-surface-2);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform var(--t),background var(--t),color var(--t);
}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item[open]{border-left-color:var(--c-primary);box-shadow:var(--shadow-2);}
.faq-item[open] summary{color:var(--c-primary);}
.faq-item[open] summary .faq-icon{transform:rotate(180deg);background:var(--c-primary);color:#fff;}
.faq-body{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--c-text);}
.faq-body p{margin-bottom:.8em;}

/* ============ 12. CTA 带 ============ */
.cta-band{
  background:var(--c-surface-2);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  padding:52px 0;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,28px);margin-bottom:8px;}
.cta-inner p{margin-bottom:0;font-size:15px;color:var(--c-muted);max-width:640px;}

/* ============ 13. 内容卡片 ============ */
.card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#cfdad6;}
.card-media{
  aspect-ratio:16/9;
  background:var(--c-surface-2);
  overflow:hidden;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body h3{
  font-size:18px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  margin:10px 0 0;font-size:14px;line-height:1.8;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  display:flex;align-items:center;gap:8px;
  margin-top:auto;padding-top:16px;
  font-size:13px;color:var(--c-muted);
}
.card-meta i{color:var(--c-primary);font-size:12px;}
.card-top{display:flex;align-items:center;gap:10px;margin-bottom:12px;}

/* ============ 14. 页脚 ============ */
.site-footer{
  background:var(--c-ink);
  color:rgba(255,255,255,.78);
  padding:64px 0 24px;
  font-size:14px;
}
.site-footer a{color:rgba(255,255,255,.78);}
.site-footer a:hover{color:var(--c-accent-a);}
.site-footer .logo-text strong{color:#fff;}
.site-footer .logo-text em{color:var(--c-accent-a);}
.footer-col{margin-bottom:32px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-brand p{
  margin-top:14px;max-width:330px;
  font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);
}
.fc-line{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;line-height:1.7;}
.fc-line i{color:var(--c-accent-a);width:16px;margin-top:4px;flex:0 0 auto;}
.footer-bottom{
  margin-top:28px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 15. 移动抽屉与底部 Tab ============ */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:#fff;
  transform:translateX(100%);
  transition:transform 260ms cubic-bezier(.2,.7,.3,1);
  padding:24px 20px 40px;
  display:flex;flex-direction:column;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-close{
  position:absolute;top:16px;right:16px;
  width:42px;height:42px;border-radius:11px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.drawer > .logo{margin-bottom:28px;}
.drawer-nav li a{
  display:block;padding:16px 2px;
  border-bottom:1px solid var(--c-line);
  font-size:17px;font-weight:600;color:var(--c-ink);
}
.drawer-nav li a.active{color:var(--c-primary);}
.drawer .btn{margin-top:28px;}
body.no-scroll{overflow:hidden;}

.tab-bar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#fff;
  border-top:1px solid var(--c-line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab-bar ul{display:flex;height:56px;}
.tab-bar li{flex:1 1 0;}
.tab-link{
  position:relative;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:100%;
  font-size:11px;line-height:1.3;color:var(--c-muted);
}
.tab-link i{font-size:17px;}
.tab-link.active{color:var(--c-primary);font-weight:600;}
.tab-link.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;background:var(--c-accent-a);
  border-radius:0 0 2px 2px;
}

/* ============ 16. 响应式 ============ */
@media screen and (max-width:1024px){
  .container{padding-left:24px;padding-right:24px;}
  .section{padding:72px 0;}
  .section--tight{padding:48px 0;}
  .main-nav a{padding:9px 10px;font-size:14px;}
}

@media screen and (max-width:768px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .section--tight{padding:40px 0;}
  .main-nav,.nav-actions{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .header-inner{height:64px;gap:12px;}
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom));}
  .tab-bar{display:block;}
  .page-hero{padding:28px 0 40px;min-height:auto;}
  .page-hero::after{display:none;}
  .stats{padding:48px 0;}
  .stat-divide{border-left:0;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;}
  .timeline::before{left:19px;}
  .tl-item{grid-template-columns:40px 1fr;gap:14px;}
  .tl-node{width:40px;height:40px;font-size:14px;}
  .tl-card{padding:18px 18px 20px;}
  .cta-band{padding:40px 0;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-inner .btn{width:100%;}
  .site-footer{padding:48px 0 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media screen and (max-width:640px){
  body{font-size:15.5px;}
  .stat-num{font-size:34px;}
  .card-body{padding:18px 18px 20px;}
  .card-body h3{font-size:17px;}
}

@media screen and (max-width:400px){
  .hero-tags .badge{font-size:11px;}
  .tab-link{font-size:10px;}
}

@media screen and (min-width:1440px){
  .container{max-width:1240px;}
}