/* roulang page: index */
:root{
  --brand-900:#0B2A25;
  --brand-700:#0E3B33;
  --brand-500:#1D6A58;
  --accent:#C8F24B;
  --warn:#E07A3F;
  --bg:#F7F6F1;
  --surface:#FFFFFF;
  --line:#E3E0D6;
  --text:#14201D;
  --text-sub:#5A6B66;
  --radius:14px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(14,59,51,.06);
  --shadow-2:0 6px 20px rgba(14,59,51,.10);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:Inter,"DIN Alternate",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--brand-700);}
button{font:inherit;cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:10px;
  font-size:16px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;
  transition:transform .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,filter .18s ease-out,box-shadow .18s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:var(--brand-700);}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);color:var(--brand-700);box-shadow:var(--shadow-2);}
.btn-outline{border-color:var(--brand-700);color:var(--brand-700);background:transparent;}
.btn-outline:hover{background:var(--brand-700);color:#fff;}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-700);}
.btn-ghost:hover{border-color:var(--brand-500);box-shadow:var(--shadow-1);color:var(--brand-700);}
.btn-sm{min-height:36px;padding:0 16px;font-size:14px;border-radius:9px;}
.text-link{color:var(--brand-700);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:4px;}
.text-link .arw{transition:transform .18s ease-out;}
.text-link:hover .arw{transform:translateX(4px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:13px;letter-spacing:.02em;line-height:1;}
.badge-cat{background:#E6F4EE;color:var(--brand-700);}
.badge-time{border:1px solid var(--warn);color:var(--warn);background:transparent;}
.badge-index{background:var(--accent);color:var(--brand-900);font-family:var(--font-num);border-radius:6px;min-width:28px;height:28px;justify-content:center;padding:0 6px;font-weight:700;}
.meta-text{font-size:13.5px;color:var(--text-sub);letter-spacing:.02em;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,241,.94);
  border-bottom:1px solid transparent;
  transition:background-color .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:0 2px 12px rgba(14,59,51,.06);}
.header-inner{position:relative;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;transition:height .2s ease-out;}
.site-header.is-scrolled .header-inner{height:64px;}
.nav-group{display:flex;align-items:center;gap:26px;}
.nav-group.left{justify-self:start;}
.nav-group.right{justify-self:end;}
.nav-link{position:relative;font-size:16px;font-weight:600;color:var(--text);padding:6px 0;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out;}
.nav-link:hover{color:var(--brand-700);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-700);}
.nav-link.is-active::after{transform:scaleX(1);}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;}
.brand-mark{display:inline-flex;width:34px;height:34px;border-radius:9px;background:var(--brand-700);align-items:center;justify-content:center;flex:0 0 auto;}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:19px;font-weight:700;color:var(--brand-700);letter-spacing:.01em;white-space:nowrap;}
.menu-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:10px;align-items:center;}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--brand-700);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out;}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.is-open span:nth-child(2){opacity:0;}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer{display:none;border-top:1px solid var(--line);background:#fff;max-height:80vh;overflow-y:auto;}
.drawer.is-open{display:block;}
.drawer a{display:block;min-height:44px;display:flex;align-items:center;padding:0 24px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line);}
.drawer a:last-child{border-bottom:none;}
.drawer a.is-active{color:var(--brand-700);background:#F1F0E9;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:72px 0 88px;}
.hero-bg{position:absolute;inset:0;opacity:.08;pointer-events:none;}
.hero-bg svg{width:100%;height:100%;}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--brand-500);font-weight:600;letter-spacing:.04em;margin-bottom:18px;}
.hero-tag .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(200,242,75,.35);}
.hero-title{font-size:40px;line-height:1.28;font-weight:700;letter-spacing:.01em;margin-bottom:16px;}
.hero-sub{font-size:19px;line-height:1.7;color:var(--brand-700);font-weight:600;margin-bottom:14px;}
.hero-desc{font-size:16.5px;line-height:1.9;color:var(--text-sub);margin-bottom:30px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;}
.stat-row li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 18px;display:inline-flex;align-items:baseline;gap:8px;box-shadow:var(--shadow-1);}
.stat-row b{font-size:20px;color:var(--brand-700);font-weight:700;}
.stat-row span{font-size:14px;color:var(--text-sub);}
.hero-figure{border-radius:16px;overflow:hidden;box-shadow:var(--shadow-2);background:#EDECE4;}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:16px;}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px;}
.section-title{position:relative;padding-left:18px;font-size:26px;line-height:1.35;font-weight:700;letter-spacing:.01em;}
.section-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:28px;border-radius:3px;background:var(--accent);}
.section-lead{font-size:16px;color:var(--text-sub);margin-top:12px;max-width:640px;}

/* ---------- 合集目录 ---------- */
.catalog-wrap{display:grid;grid-template-columns:240px 1fr;gap:40px;}
.catalog-side{position:sticky;top:96px;align-self:start;}
.chip-col{display:flex;flex-direction:column;gap:10px;}
.chip{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:15px;font-weight:600;color:var(--brand-700);transition:all .18s ease-out;}
.chip:hover{border-color:var(--brand-500);box-shadow:var(--shadow-1);color:var(--brand-700);}
.chip.is-active{background:var(--accent);border-color:var(--accent);color:var(--brand-900);}
.catalog-list{display:flex;flex-direction:column;gap:16px;}
.catalog-row{display:grid;grid-template-columns:56px 1fr auto 24px;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-1);color:inherit;transition:all .18s ease-out;}
.catalog-row:hover{background:#F1F0E9;border-color:var(--brand-500);box-shadow:var(--shadow-2);color:inherit;}
.catalog-num{font-size:22px;font-weight:700;color:var(--brand-500);}
.catalog-title{display:block;font-size:19px;font-weight:700;color:var(--text);margin-bottom:6px;}
.catalog-row:hover .catalog-title{color:var(--brand-700);}
.catalog-desc{display:block;font-size:15px;color:var(--text-sub);line-height:1.75;}
.catalog-count{font-size:14px;color:var(--text-sub);white-space:nowrap;}
.catalog-arrow{font-size:18px;color:var(--brand-500);transition:transform .18s ease-out;}
.catalog-row:hover .catalog-arrow{transform:translateX(4px);}

/* ---------- 精选条目 ---------- */
.featured-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;margin-bottom:32px;}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);overflow:hidden;transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;}
.card:hover{transform:translateY(-2px);border-color:var(--brand-500);box-shadow:var(--shadow-2);}
.card-media{display:block;overflow:hidden;background:#EDECE4;}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .22s ease-out;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:24px;}
.card-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:14px;}
.card-title{font-size:21px;line-height:1.5;font-weight:700;margin-bottom:10px;}
.card-title a{color:var(--text);}
.card-title a:hover{color:var(--brand-700);}
.card-text{font-size:16px;color:var(--text-sub);line-height:1.85;margin-bottom:16px;}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.featured-side{display:flex;flex-direction:column;gap:24px;}
.card-row{display:grid;grid-template-columns:160px 1fr;gap:0;}
.card-row .card-media img{aspect-ratio:4/3;height:100%;}
.card-row .card-body{padding:20px;}
.card-row .card-title{font-size:17.5px;margin-bottom:8px;}
.card-row .card-text{font-size:14.5px;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.text-list{display:flex;flex-direction:column;gap:0;}
.text-list li{border-bottom:1px solid var(--line);}
.text-list li:first-child{border-top:1px solid var(--line);}
.text-list a{display:flex;align-items:center;gap:16px;padding:18px 4px;color:var(--text);transition:transform .18s ease-out,color .18s ease-out;}
.text-list a:hover{transform:translateX(2px);color:var(--brand-700);}
.text-list .bar{width:4px;height:22px;border-radius:2px;background:var(--accent);flex:0 0 auto;}
.text-list .t{font-size:18px;font-weight:600;}
.text-list .c{margin-left:auto;font-size:13.5px;color:var(--text-sub);white-space:nowrap;}

/* ---------- 最新信息 CMS 板块 ---------- */
.news-list{border-top:1px solid var(--line);}
.news-link{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:22px 8px;border-bottom:1px solid var(--line);color:inherit;transition:transform .18s ease-out,background-color .18s ease-out;}
.news-link:hover{transform:translateX(2px);background:#F1F0E9;color:inherit;}
.news-body{min-width:0;}
.news-title{display:block;font-size:18px;font-weight:600;line-height:1.6;color:var(--text);transition:color .18s ease-out;}
.news-link:hover .news-title{color:var(--brand-700);}
.news-sum{display:block;font-size:15px;color:var(--text-sub);line-height:1.75;margin-top:6px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.news-meta{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.empty-state{min-height:200px;background:#F1F0E9;border:1px dashed var(--line);border-radius:var(--radius);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:40px 24px;text-align:center;}
.empty-state .geo{width:56px;height:56px;border-radius:14px;border:2px solid var(--brand-500);display:flex;align-items:center;justify-content:center;color:var(--brand-500);font-family:var(--font-num);font-weight:700;}
.empty-state p{font-size:16px;color:var(--text-sub);}

/* ---------- 阅读确认 / 数据 ---------- */
.insight-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.insight-media{border-radius:16px;overflow:hidden;background:#EDECE4;box-shadow:var(--shadow-1);}
.insight-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.check-list{margin:26px 0 28px;display:flex;flex-direction:column;gap:16px;}
.check-list li{position:relative;padding-left:22px;font-size:16.5px;color:var(--text-sub);line-height:1.85;}
.check-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--accent);}
.check-list strong{color:var(--text);font-weight:700;}
.stat-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 16px;box-shadow:var(--shadow-1);}
.stat-card b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;color:var(--brand-700);line-height:1.3;}
.stat-card span{display:block;font-size:13.5px;color:var(--text-sub);margin-top:4px;}

/* ---------- 相关推荐轨道 ---------- */
.rail{display:flex;gap:20px;overflow-x:auto;padding:4px 4px 20px;scroll-snap-type:x mandatory;}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px;}
.rail-card{flex:0 0 280px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);transition:all .18s ease-out;}
.rail-card:hover{transform:translateY(-2px);border-color:var(--brand-500);box-shadow:var(--shadow-2);}
.rail-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .22s ease-out;}
.rail-card:hover img{transform:scale(1.03);}
.rail-body{padding:16px 18px 20px;}
.rail-body h3{font-size:16.5px;font-weight:700;line-height:1.55;margin:10px 0 8px;color:var(--text);}
.rail-card:hover .rail-body h3{color:var(--brand-700);}
.rail-body p{font-size:14px;color:var(--text-sub);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;transition:border-color .18s ease-out,box-shadow .18s ease-out;}
.faq-item[open]{border-color:var(--brand-500);box-shadow:var(--shadow-1);}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:18px;font-weight:600;color:var(--text);cursor:pointer;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand-700);border-radius:2px;transition:transform .18s ease-out;}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{top:0;left:8px;width:2px;height:18px;}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);}
.faq-answer{padding:0 22px 20px;font-size:16px;color:var(--text-sub);line-height:1.85;border-left:3px solid var(--accent);margin-left:22px;padding-left:18px;margin-bottom:20px;}

/* ---------- CTA ---------- */
.cta-block{background:var(--brand-900);border-radius:18px;padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-block h2{font-size:26px;line-height:1.4;font-weight:700;color:#fff;margin-bottom:10px;}
.cta-block p{font-size:16px;color:rgba(233,239,236,.78);line-height:1.8;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn-line{border-color:rgba(233,239,236,.5);color:#E9EFEC;background:transparent;}
.btn-line:hover{border-color:var(--accent);color:var(--accent);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#E9EFEC;margin-top:88px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-mark{background:var(--accent);}
.footer-brand p{font-size:14.5px;color:rgba(233,239,236,.72);line-height:1.85;margin-top:18px;max-width:300px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.04em;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14.5px;color:rgba(233,239,236,.75);display:inline-flex;align-items:center;gap:6px;min-height:24px;transition:color .18s ease-out;}
.footer-col a::before{content:"";width:0;height:1px;background:var(--accent);transition:width .18s ease-out;}
.footer-col a:hover{color:var(--accent);}
.footer-col a:hover::before{width:12px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-size:13.5px;color:rgba(233,239,236,.6);}
.footer-bottom a{color:rgba(233,239,236,.6);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-group{display:none;}
  .header-inner{display:flex;justify-content:space-between;align-items:center;}
  .brand{position:absolute;left:50%;transform:translateX(-50%);}
  .menu-toggle{display:flex;margin-left:auto;}
  .hero{padding:48px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-title{font-size:32px;}
  .section{padding:72px 0;}
  .catalog-wrap{grid-template-columns:1fr;gap:24px;}
  .catalog-side{position:static;}
  .chip-col{flex-direction:row;overflow-x:auto;padding-bottom:6px;}
  .chip{flex:0 0 auto;}
  .featured-grid{grid-template-columns:1fr;gap:24px;}
  .insight-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-block{padding:36px 28px;}
}
@media (max-width:767px){
  .card-row{grid-template-columns:1fr;}
  .card-row .card-media img{aspect-ratio:16/9;height:auto;}
  .news-link{flex-direction:column;align-items:flex-start;gap:12px;}
  .news-meta{width:100%;}
  .stat-cards{grid-template-columns:1fr 1fr;}
}
@media (max-width:639px){
  .container{padding:0 20px;}
  .hero-title{font-size:28px;}
  .hero-sub{font-size:17px;}
  .section-title{font-size:22px;}
  .section{padding:56px 0;}
  .catalog-row{grid-template-columns:40px 1fr;row-gap:12px;}
  .catalog-count,.catalog-arrow{display:none;}
  .text-list a{flex-wrap:wrap;gap:10px;}
  .text-list .c{margin-left:0;width:100%;}
  .rail-card{flex:0 0 82%;}
  .stat-cards{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-block h2{font-size:21px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --brand-900:#0B2A25;
  --brand-700:#0E3B33;
  --brand-500:#1D6A58;
  --accent:#C8F24B;
  --warn:#E07A3F;
  --bg:#F7F6F1;
  --surface:#FFFFFF;
  --line:#E3E0D6;
  --text:#14201D;
  --text-sub:#5A6B66;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(14,59,51,.06);
  --shadow-2:0 6px 20px rgba(14,59,51,.10);
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:Inter,"DIN Alternate",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.9;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 24px;}}
.tabnum{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,241,.92);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid transparent;
  transition:background 200ms ease-out,border-color 200ms ease-out,box-shadow 200ms ease-out;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--line);
  box-shadow:0 1px 8px rgba(14,59,51,.06);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:72px;
  gap:16px;
  transition:height 200ms ease-out;
}
.site-header.is-stuck .header-inner{height:64px;}
.nav-group{display:flex;align-items:center;gap:6px;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.nav-link{
  display:inline-flex;align-items:center;
  height:40px;padding:0 12px;
  font-size:15px;color:var(--brand-700);
  border-radius:var(--radius-btn);
  position:relative;
  transition:color 180ms ease-out,background 180ms ease-out;
  white-space:nowrap;
}
.nav-link:hover{background:#EFEEE6;}
.nav-link.is-active{color:var(--brand-700);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--accent);border-radius:2px;
}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:#E6F4EE;display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-1);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--brand-900);}
.nav-right-wrap{display:flex;align-items:center;justify-content:flex-end;gap:10px;}
.hamburger{
  display:none;width:44px;height:44px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--surface);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:border-color 180ms ease-out,box-shadow 180ms ease-out;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--brand-700);border-radius:2px;transition:transform 180ms ease-out,opacity 180ms ease-out;}
.hamburger:hover{border-color:var(--brand-500);box-shadow:var(--shadow-1);}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:var(--surface);}
.mobile-drawer a{
  display:flex;align-items:center;min-height:44px;padding:0 20px;
  font-size:16px;color:var(--brand-700);border-bottom:1px solid var(--line);
}
.mobile-drawer a.is-active{font-weight:600;box-shadow:inset 3px 0 0 var(--accent);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  transition:transform 180ms ease-out,background 180ms ease-out,color 180ms ease-out,border-color 180ms ease-out,box-shadow 180ms ease-out;
}
.btn-primary{background:var(--accent);color:var(--brand-700);box-shadow:var(--shadow-1);}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-outline{border:1.5px solid var(--brand-700);color:var(--brand-700);background:transparent;}
.btn-outline:hover{background:var(--brand-700);color:#fff;}
.btn-ghost{background:var(--surface);border:1px solid var(--line);color:var(--brand-700);}
.btn-ghost:hover{border-color:var(--brand-500);box-shadow:var(--shadow-1);}
.btn-lg{min-height:52px;padding:0 28px;font-size:16px;}
.btn-sm{min-height:36px;padding:0 16px;font-size:14px;}
.btn:active{transform:translateY(0);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:13px;letter-spacing:.02em;
}
.badge-cat{background:#E6F4EE;color:var(--brand-700);font-weight:600;}
.badge-time{border:1px solid var(--warn);color:var(--warn);background:transparent;font-family:var(--font-num);}
.badge-plain{background:#EFEEE6;color:var(--text-sub);}

/* ============ 面包屑 ============ */
.crumb{padding:26px 0 0;font-size:14px;color:var(--text-sub);letter-spacing:.02em;}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"›";color:#B7B3A5;}
.crumb a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px;}
.crumb .current{color:var(--text);}

/* ============ 文章头部 ============ */
.article-head{padding:22px 0 0;}
.article-wrap{max-width:760px;margin:0 auto;}
.article-head h1{
  margin:14px 0 0;
  font-size:34px;line-height:1.3;font-weight:700;letter-spacing:-.01em;color:var(--brand-900);
}
@media (min-width:1024px){.article-head h1{font-size:38px;}}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:18px;font-size:14px;color:var(--text-sub);letter-spacing:.02em;
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C6C2B4;}
.article-cover{
  margin:26px 0 0;width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:16px;background:#EDECE4;box-shadow:var(--shadow-1);
}

/* ============ 正文 ============ */
.article-section{padding:34px 0 0;}
.article-body{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  padding:32px 24px;
  box-shadow:var(--shadow-1);
  font-size:17px;line-height:1.9;color:var(--text);
  overflow-wrap:break-word;
}
@media (min-width:768px){.article-body{padding:44px 44px 40px;}}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;margin:2em 0 .8em;padding-left:16px;
  font-size:26px;line-height:1.35;font-weight:700;color:var(--brand-900);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;width:6px;height:.92em;
  background:var(--accent);border-radius:3px;
}
.article-body h3{margin:1.7em 0 .6em;font-size:19px;line-height:1.45;font-weight:600;color:var(--brand-900);}
.article-body h4{margin:1.4em 0 .5em;font-size:17px;font-weight:600;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-body li{margin:.4em 0;}
.article-body ul li::marker{color:var(--brand-500);}
.article-body ol li::marker{color:var(--brand-500);font-family:var(--font-num);}
.article-body blockquote{
  margin:1.5em 0;padding:16px 20px;
  background:#F1F0E9;border-left:3px solid var(--accent);
  border-radius:0 10px 10px 0;color:var(--text-sub);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:10px;margin:1.5em auto;}
.article-body figure{margin:1.5em 0;}
.article-body figcaption{margin-top:10px;font-size:14px;color:var(--text-sub);text-align:center;}
.article-body a{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-700);}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;
  border:1px solid var(--line);border-radius:10px;overflow:hidden;
}
.article-body th{background:#E6F4EE;color:var(--brand-700);font-weight:600;text-align:left;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;}
.article-body tbody tr:nth-child(even) td{background:#FAF9F5;}
.article-body code{
  font-family:var(--font-num);font-size:15px;background:#EFEEE6;
  padding:2px 6px;border-radius:6px;
}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0;}

/* 空态 */
.empty-box{
  background:#FAF9F5;border:1px solid var(--line);border-radius:18px;
  padding:52px 24px;text-align:center;min-height:240px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
}
.empty-box svg{width:64px;height:64px;}
.empty-box h2{margin:0;padding:0;font-size:22px;}
.empty-box h2::before{display:none;}
.empty-box p{margin:0;color:var(--text-sub);font-size:16px;}

/* ============ 分享条 ============ */
.share-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:26px;padding-top:22px;border-top:1px solid var(--line);
}
.share-bar .label{font-size:14px;color:var(--text-sub);margin-right:2px;}
.icon-btn{
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand-700);font-size:14px;
  transition:border-color 180ms ease-out,box-shadow 180ms ease-out,transform 180ms ease-out,color 180ms ease-out;
}
.icon-btn:hover{border-color:var(--brand-500);box-shadow:var(--shadow-1);transform:translateY(-2px);color:var(--brand-500);}
.icon-btn svg{width:18px;height:18px;}
.share-tip{font-size:14px;color:var(--warn);}

/* ============ 通用板块 ============ */
.section{padding:64px 0;}
@media (min-width:768px){.section{padding:80px 0;}}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-head{margin-bottom:28px;}
.section-head h2{
  position:relative;margin:0;padding-left:16px;
  font-size:26px;line-height:1.35;font-weight:700;color:var(--brand-900);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.36em;width:6px;height:.9em;
  background:var(--accent);border-radius:3px;
}
.section-head p{margin:10px 0 0;color:var(--text-sub);font-size:16px;}

/* ============ 相关推荐 ============ */
.related-grid{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:768px){.related-grid{grid-template-columns:1fr 1fr;gap:24px;}}
.entry-card{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px;box-shadow:var(--shadow-1);
  transition:transform 200ms ease-out,box-shadow 200ms ease-out,border-color 200ms ease-out;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-500);}
.entry-card .thumb{
  width:104px;flex:0 0 104px;aspect-ratio:4/3;object-fit:cover;
  border-radius:10px;background:#EDECE4;
}
.entry-card h3{margin:0 0 6px;font-size:17px;line-height:1.45;font-weight:600;color:var(--brand-900);transition:color 180ms ease-out;}
.entry-card:hover h3{color:var(--brand-700);}
.entry-card p{margin:0 0 10px;font-size:14px;line-height:1.75;color:var(--text-sub);}
.entry-card .meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-sub);}

/* ============ 返回与跳转 ============ */
.back-row{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px;margin-top:28px;
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand-700);
}
.text-link span{transition:transform 180ms ease-out;}
.text-link:hover span{transform:translateX(4px);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:0 20px;box-shadow:var(--shadow-1);
  transition:border-color 180ms ease-out;
}
.faq-item[open]{border-color:var(--brand-500);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:14px 0;
  font-size:18px;font-weight:600;color:var(--brand-900);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{
  position:relative;width:20px;height:20px;flex:0 0 20px;
  transition:transform 180ms ease-out;
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-500);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-item summary .plus::before{width:14px;height:2px;}
.faq-item summary .plus::after{width:2px;height:14px;transition:opacity 180ms ease-out;}
.faq-item[open] summary .plus{transform:rotate(180deg);}
.faq-item[open] summary .plus::after{opacity:0;}
.faq-item .answer{
  border-left:3px solid var(--accent);
  padding:0 0 18px 14px;margin-bottom:6px;
  font-size:16px;line-height:1.85;color:var(--text-sub);
}

/* ============ CTA ============ */
.cta-block{
  background:var(--brand-900);color:#E9EFEC;
  border-radius:18px;padding:36px 24px;
  display:flex;flex-direction:column;gap:22px;
}
@media (min-width:768px){
  .cta-block{flex-direction:row;align-items:center;justify-content:space-between;padding:44px 44px;}
}
.cta-block h2{margin:0;font-size:24px;line-height:1.4;font-weight:700;color:#fff;}
.cta-block p{margin:10px 0 0;font-size:16px;line-height:1.8;color:#C7D6D1;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (max-width:639px){.cta-actions .btn{width:100%;}}
.btn-ghost-light{border:1.5px solid rgba(233,239,236,.5);color:#E9EFEC;background:transparent;}
.btn-ghost-light:hover{border-color:var(--accent);color:var(--accent);}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:#E9EFEC;margin-top:16px;}
.footer-grid{
  display:grid;gap:32px;grid-template-columns:1fr;
  padding:56px 0 32px;
}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr;padding:64px 0 36px;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-mark{background:rgba(200,242,75,.16);}
.footer-brand p{margin:16px 0 0;font-size:15px;line-height:1.85;color:#B9CAC5;max-width:360px;}
.footer-col h4{margin:0 0 14px;font-size:15px;font-weight:600;color:#fff;letter-spacing:.02em;}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:2px;}
.footer-col li a{
  position:relative;display:flex;align-items:center;min-height:44px;padding-left:0;
  font-size:15px;color:#C0D1CC;transition:color 180ms ease-out,padding-left 180ms ease-out;
}
.footer-col li a::before{
  content:"";position:absolute;left:0;top:50%;width:0;height:2px;
  background:var(--accent);transform:translateY(-50%);
  transition:width 180ms ease-out;
}
.footer-col li a:hover{color:var(--accent);padding-left:12px;}
.footer-col li a:hover::before{width:8px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  display:flex;flex-direction:column;gap:8px;
  font-size:14px;color:#9FB2AD;
}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}

@media (max-width:1023px){
  .header-inner{grid-template-columns:auto 1fr auto;height:64px;}
  .nav-left,.nav-right{display:none;}
  .brand{justify-self:start;}
  .hamburger{display:inline-flex;}
  .mobile-drawer{display:block;max-height:0;overflow:hidden;transition:max-height 260ms ease-out;}
  .mobile-drawer.is-open{max-height:80vh;overflow-y:auto;}
}
@media (max-width:639px){
  .article-head h1{font-size:28px;}
  .article-body{font-size:16px;padding:26px 18px;}
  .article-body h2{font-size:22px;}
  .entry-card .thumb{width:88px;flex:0 0 88px;}
  .section-head h2{font-size:22px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B2A25;
  --brand-700:#0E3B33;
  --brand-500:#1D6A58;
  --accent:#C8F24B;
  --warn:#E07A3F;
  --bg:#F7F6F1;
  --surface:#FFFFFF;
  --line:#E3E0D6;
  --text:#14201D;
  --text-sub:#5A6B66;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(14,59,51,.06);
  --shadow-2:0 6px 20px rgba(14,59,51,.10);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--brand-700);}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--text);}
p{margin:0 0 1.15em;}
ul{margin:0;padding:0;list-style:none;}
.num{font-family:"Inter","DIN Alternate",system-ui,sans-serif;font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

/* ============ header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,246,241,.96);
  border-bottom:1px solid transparent;
  transition:height .2s ease-out, background .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out;
}
.site-header.is-scrolled{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:0 1px 12px rgba(14,59,51,.06);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:72px;
  gap:18px;
}
.site-header.is-scrolled .header-inner{height:64px;}
.nav-group{display:flex;align-items:center;gap:26px;}
.nav-group.left{justify-content:flex-start;}
.header-right{display:flex;align-items:center;justify-content:flex-end;gap:18px;grid-column:3;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  font-size:16px;
  color:var(--text);
  padding:0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:6px;
  height:2px;
  background:var(--accent);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .18s ease-out;
}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-700);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  color:var(--brand-700);
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--brand-700);}
.brand-mark{
  width:28px;height:28px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--accent);
  border-radius:9px;
}
.brand-mark svg{width:19px;height:19px;}
.hamburger{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  transition:border-color .18s ease-out,background .18s ease-out;
}
.hamburger span{
  display:block;
  width:18px;height:2px;
  background:var(--brand-700);
  border-radius:2px;
  transition:transform .18s ease-out,opacity .18s ease-out;
}
.hamburger:hover{border-color:var(--brand-500);}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-drawer{
  display:none;
  background:#fff;
  border-top:1px solid var(--line);
  box-shadow:var(--shadow-2);
  max-height:80vh;
  overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .drawer-inner{padding:10px 24px 24px;}
.mobile-link{
  display:flex;
  align-items:center;
  min-height:44px;
  font-size:16px;
  color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-link.is-active{color:var(--brand-700);font-weight:600;}
.mobile-drawer .btn{margin-top:18px;width:100%;}

/* ============ buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  font-size:16px;
  font-weight:600;
  line-height:1;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-sm{min-height:40px;padding:0 16px;font-size:15px;}
.btn-lg{min-height:52px;padding:0 26px;font-size:17px;}
.btn-primary{background:var(--accent);color:var(--brand-700);}
.btn-primary:hover{background:#bde63f;color:var(--brand-700);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;border-color:var(--brand-700);color:var(--brand-700);}
.btn-outline:hover{background:var(--brand-700);color:#fff;}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-700);}
.btn-ghost:hover{border-color:var(--brand-500);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand-700);}
.link-arrow svg{transition:transform .18s ease-out;}
.link-arrow:hover svg{transform:translateX(4px);}

/* ============ breadcrumb ============ */
.crumb{
  font-size:14px;
  color:var(--text-sub);
  letter-spacing:.02em;
  padding:26px 0 18px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.crumb a{color:var(--text-sub);}
.crumb a:hover{color:var(--brand-700);}
.crumb .sep{color:#B9B7AA;}
.crumb .current{color:var(--text);}

/* ============ hero ============ */
.hero-live{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  min-height:300px;
  display:flex;
  align-items:flex-end;
  padding:42px;
  background-image:linear-gradient(90deg,rgba(11,42,37,.78) 0%,rgba(11,42,37,.45) 58%,rgba(11,42,37,.35) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-1);
}
.hero-live .hero-content{max-width:720px;position:relative;z-index:2;}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(200,242,75,.92);
  color:var(--brand-900);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.hero-live h1{
  font-size:40px;
  line-height:1.28;
  color:#fff;
  letter-spacing:.01em;
}
.hero-live .hero-sub{
  margin:16px 0 0;
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.88);
  max-width:640px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-actions .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff;}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;border-color:#fff;}

/* ============ hero stats ============ */
.stat-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:22px;
}
.stat-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:18px 20px;
  box-shadow:var(--shadow-1);
}
.stat-item strong{
  display:block;
  font-size:24px;
  font-weight:700;
  color:var(--brand-700);
  letter-spacing:.01em;
}
.stat-item span{display:block;font-size:14px;color:var(--text-sub);margin-top:4px;}

/* ============ sections ============ */
.section{padding:78px 0;}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:38px;}
.section-head h2{
  font-size:26px;
  line-height:1.35;
  display:flex;
  align-items:center;
  gap:12px;
}
.section-head h2::before{
  content:"";
  width:6px;height:28px;
  border-radius:3px;
  background:var(--accent);
  flex:0 0 auto;
}
.section-head p{
  margin:12px 0 0;
  font-size:16px;
  color:var(--text-sub);
  max-width:780px;
  line-height:1.85;
}

/* ============ card wall (错位瀑布) ============ */
.card-wall{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:28px;
  align-items:start;
}
.wall-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  display:flex;
  flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.wall-card:nth-child(even){margin-top:54px;}
.wall-card:hover{
  transform:translateY(-2px);
  border-color:var(--brand-500);
  box-shadow:var(--shadow-2);
}
.wall-thumb{overflow:hidden;}
.wall-thumb img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .22s ease-out;
  background:#EDECE4;
}
.wall-card:hover .wall-thumb img{transform:scale(1.03);}
.wall-body{padding:24px 24px 26px;}
.wall-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px;}
.num-badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 11px;
  border-radius:999px;
  background:var(--accent);
  color:var(--brand-900);
  font-size:13px;
  font-weight:700;
}
.wall-body h3{font-size:19px;line-height:1.45;margin-bottom:10px;}
.wall-body p{font-size:15.5px;line-height:1.85;color:var(--text-sub);margin:0 0 16px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  background:#E6F4EE;
  color:var(--brand-700);
  font-size:13px;
  font-weight:500;
}
.tag.warn{
  background:transparent;
  border:1px solid var(--warn);
  color:var(--warn);
  font-variant-numeric:tabular-nums;
}

/* ============ scenario ============ */
.scene-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:44px;
  align-items:center;
}
.scene-grid img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
}
.check-list{display:grid;gap:16px;margin-top:26px;}
.check-item{
  display:flex;
  gap:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:18px 20px;
  box-shadow:var(--shadow-1);
  transition:border-color .18s ease-out,transform .18s ease-out;
}
.check-item:hover{border-color:var(--brand-500);transform:translateY(-2px);}
.check-item .dot{
  flex:0 0 auto;
  width:10px;height:10px;
  margin-top:10px;
  border-radius:3px;
  background:var(--accent);
}
.check-item h3{font-size:17px;line-height:1.5;margin-bottom:6px;}
.check-item p{margin:0;font-size:15px;line-height:1.85;color:var(--text-sub);}

/* ============ flow ============ */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.flow-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 22px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.flow-card:hover{transform:translateY(-2px);border-color:var(--brand-500);box-shadow:var(--shadow-2);}
.flow-card .step{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:10px;
  background:var(--brand-900);
  color:var(--accent);
  font-weight:700;
  font-size:15px;
  margin-bottom:14px;
}
.flow-card h3{font-size:17px;line-height:1.5;margin-bottom:8px;}
.flow-card p{margin:0;font-size:15px;line-height:1.85;color:var(--text-sub);}

/* ============ entry index ============ */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.entry-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 22px 20px;
  box-shadow:var(--shadow-1);
  display:flex;
  flex-direction:column;
  gap:10px;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.entry-card:hover{transform:translateY(-2px);border-color:var(--brand-500);box-shadow:var(--shadow-2);}
.entry-card h3{font-size:17px;line-height:1.5;}
.entry-card p{margin:0;font-size:15px;line-height:1.8;color:var(--text-sub);}
.entry-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding-top:12px;
  border-top:1px solid var(--line);
  margin-top:auto;
  font-size:13px;
  color:var(--text-sub);
}

/* ============ faq ============ */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:border-color .18s ease-out;
}
.faq-item[open]{border-color:var(--brand-500);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:18px 22px;
  font-size:18px;
  font-weight:600;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  border:1.5px solid var(--brand-500);
  color:var(--brand-700);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  line-height:1;
  transition:transform .18s ease-out,background .18s ease-out;
}
.faq-item[open] summary .icon{transform:rotate(180deg);background:var(--accent);border-color:var(--accent);}
.faq-body{
  padding:0 22px 22px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-sub);
  border-left:3px solid var(--accent);
  margin-left:22px;
  padding-left:16px;
}
.faq-body p{margin:12px 0 0;}

/* ============ cta strip ============ */
.cta-strip{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:34px 36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  box-shadow:var(--shadow-1);
}
.cta-strip h2{font-size:23px;line-height:1.4;margin-bottom:8px;}
.cta-strip p{margin:0;font-size:16px;line-height:1.8;color:var(--text-sub);max-width:620px;}
.cta-actions{display:flex;gap:14px;flex:0 0 auto;}

/* ============ footer ============ */
.site-footer{
  background:var(--brand-900);
  color:#E9EFEC;
  padding:64px 0 26px;
  margin-top:84px;
}
.site-footer a{color:#E9EFEC;}
.site-footer a:hover{color:var(--accent);}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:38px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--accent);}
.footer-brand p{
  font-size:15px;
  line-height:1.85;
  color:rgba(233,239,236,.74);
  max-width:340px;
  margin:0;
}
.footer-col h4{
  font-size:16px;
  color:#fff;
  margin-bottom:16px;
  font-weight:600;
}
.footer-col ul{display:grid;gap:12px;}
.footer-col li a{
  position:relative;
  display:inline-block;
  font-size:15px;
  color:rgba(233,239,236,.78);
  padding-left:0;
  transition:color .18s ease-out,padding-left .18s ease-out;
}
.footer-col li a::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:0;height:2px;
  background:var(--accent);
  transform:translateY(-50%);
  transition:width .18s ease-out;
}
.footer-col li a:hover{padding-left:12px;color:var(--accent);}
.footer-col li a:hover::before{width:8px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:24px;
  font-size:14px;
  color:rgba(233,239,236,.66);
}

/* ============ responsive ============ */
@media (max-width:1023px){
  .nav-group{display:none;}
  .hamburger{display:flex;}
  .header-inner{grid-template-columns:auto 1fr auto;height:64px;}
  .brand{justify-self:start;font-size:17px;}
  .brand-mark{width:26px;height:26px;}
  .brand-mark svg{width:17px;height:17px;}
  .header-right{grid-column:3;gap:12px;}
  .scene-grid{grid-template-columns:1fr;gap:30px;}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .entry-grid{grid-template-columns:repeat(2,1fr);}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .section{padding:64px 0;}
  .hero-live h1{font-size:32px;}
  .cta-strip{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .hero-live{padding:26px 22px;min-height:270px;border-radius:16px;}
  .hero-live h1{font-size:27px;}
  .hero-live .hero-sub{font-size:15.5px;}
  .hero-actions{width:100%;}
  .hero-actions .btn{width:100%;}
  .card-wall{grid-template-columns:1fr;gap:20px;}
  .wall-card:nth-child(even){margin-top:0;}
  .flow-grid{grid-template-columns:1fr;}
  .entry-grid{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .section{padding:52px 0;}
  .section-head h2{font-size:22px;}
  .faq-item summary{font-size:16.5px;padding:16px 18px;}
  .faq-body{margin-left:18px;padding:0 16px 18px;}
  .cta-strip{padding:26px 22px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .crumb{padding:20px 0 14px;font-size:13px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --brand-900:#0B2A25;
  --brand-700:#0E3B33;
  --brand-500:#1D6A58;
  --accent:#C8F24B;
  --warn:#E07A3F;
  --bg:#F7F6F1;
  --bg-soft:#F1F0E9;
  --surface:#FFFFFF;
  --line:#E3E0D6;
  --text:#14201D;
  --text-sub:#5A6B66;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:10px;
  --shadow-1:0 1px 2px rgba(14,59,51,.06);
  --shadow-2:0 6px 20px rgba(14,59,51,.10);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:Inter,"DIN Alternate",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--brand-700)}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul{padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 24px}}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:92px 0}}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out,height .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--shadow-2)}
.nav-inner{
  position:relative;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:72px;
  transition:height .2s ease-out;
}
.site-header.is-scrolled .nav-inner{height:64px}
.nav-group{display:flex;align-items:center;gap:6px}
.nav-group.left{justify-content:flex-start}
.nav-group.right{justify-content:flex-end}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:44px;padding:0 12px;
  color:var(--text);font-size:15.5px;font-weight:500;
  border-radius:8px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand-700);background:var(--bg)}
.nav-link.is-active{color:var(--brand-700);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;
  background:var(--accent);border-radius:2px;
}
.brand-center{
  display:inline-flex;align-items:center;gap:10px;
  padding:0 18px;color:var(--brand-900);
}
.brand-center:hover{color:var(--brand-900)}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--accent);
  box-shadow:inset 0 0 0 1px rgba(14,59,51,.12);
}
.brand-mark svg{width:19px;height:19px}
.brand-text{
  font-size:18px;font-weight:700;letter-spacing:.01em;white-space:nowrap;
}
.nav-cta{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;
  margin-left:8px;font-size:14px;font-weight:600;
  border:1.5px solid var(--line);border-radius:var(--radius-btn);
  color:var(--brand-700);background:var(--surface);
}
.nav-cta:hover{border-color:var(--brand-700);color:var(--brand-700)}
.nav-toggle{
  display:none;position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);align-items:center;justify-content:center;
}
.nav-toggle span{position:relative;display:block;width:20px;height:2px;background:var(--brand-900);border-radius:2px;transition:background .18s ease-out}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--brand-900);border-radius:2px;
  transition:transform .2s ease-out,top .2s ease-out;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg)}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg)}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--surface);
  max-height:80vh;overflow-y:auto;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer ul{padding:8px 20px 20px}
.mobile-drawer li{border-bottom:1px solid var(--line)}
.mobile-drawer li:last-child{border-bottom:0}
.mobile-drawer a{
  display:flex;align-items:center;height:48px;
  color:var(--text);font-size:16px;font-weight:500;
}
.mobile-drawer a.is-active{color:var(--brand-700);font-weight:600}
@media (max-width:1023px){
  .nav-group{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{grid-template-columns:1fr auto 1fr;height:64px}
  .site-header.is-scrolled .nav-inner{height:60px}
  .brand-center{padding:0 12px}
  .brand-text{font-size:16.5px}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:600;line-height:1;
  border:1.5px solid transparent;
  transition:transform .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--accent);color:var(--brand-700);box-shadow:var(--shadow-1)}
.btn-primary:hover{background:#BDE448;color:var(--brand-700);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-outline{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
.btn-outline:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--brand-700)}
.btn-ghost:hover{border-color:var(--brand-700);transform:translateY(-1px)}
.btn:focus-visible,a:focus-visible,summary:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand-700);
}
.link-more .arrow{transition:transform .18s ease-out}
.link-more:hover .arrow{transform:translateX(4px)}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  padding:40px 0 52px;
  overflow:hidden;
}
@media (min-width:1024px){.cat-hero{padding:56px 0 72px}}
.hero-arc{
  position:absolute;right:-120px;top:-140px;width:620px;height:620px;
  opacity:.08;pointer-events:none;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--text-sub);letter-spacing:.02em;
  margin-bottom:22px;
}
.breadcrumb a{color:var(--text-sub)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .current{color:var(--text)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  background:#E6F4EE;color:var(--brand-700);
  font-size:13.5px;font-weight:600;letter-spacing:.02em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.cat-hero h1{
  margin-top:18px;
  font-size:30px;line-height:1.28;font-weight:700;letter-spacing:-.01em;
  color:var(--brand-900);
  max-width:820px;
}
@media (min-width:768px){.cat-hero h1{font-size:38px}}
@media (min-width:1024px){.cat-hero h1{font-size:42px}}
.hero-sub{
  margin-top:16px;max-width:720px;
  font-size:18px;line-height:1.75;color:var(--text-sub);
}
@media (min-width:768px){.hero-sub{font-size:19px}}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pill{
  display:inline-flex;align-items:center;height:34px;padding:0 15px;
  border-radius:999px;border:1px solid var(--line);
  background:var(--surface);color:var(--brand-700);
  font-size:14px;font-weight:500;
}

/* ---------- intro ---------- */
.intro-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:1024px){
  .intro-grid{grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start}
}
.intro-copy p{font-size:17px;line-height:1.9;margin-bottom:1.15em;color:var(--text)}
.intro-copy p:last-child{margin-bottom:0}
.intro-copy strong{color:var(--brand-700)}
.data-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  padding:26px 24px;
}
.data-card h3{font-size:16px;font-weight:600;color:var(--brand-700);margin-bottom:16px}
.data-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:12px 0;border-bottom:1px dashed var(--line);
}
.data-row:last-child{border-bottom:0;padding-bottom:0}
.data-num{font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--brand-900);font-variant-numeric:tabular-nums}
.data-label{font-size:14px;color:var(--text-sub)}

/* ---------- windows (image + copy) ---------- */
.windows-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
@media (min-width:1024px){
  .windows-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px}
}
.windows-figure{margin:0}
.windows-figure img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--radius-card);border:1px solid var(--line);
  box-shadow:var(--shadow-1);background:#EDECE4;
}
.windows-figure figcaption{
  margin-top:14px;font-size:14px;line-height:1.7;color:var(--text-sub);
}
h2.section-title{
  position:relative;
  font-size:24px;line-height:1.35;font-weight:700;color:var(--brand-900);
  padding-left:18px;
}
h2.section-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:6px;height:26px;border-radius:3px;background:var(--accent);
}
@media (min-width:1024px){h2.section-title{font-size:27px}}
.check-list{margin-top:26px;display:grid;gap:20px}
.check-list li{
  display:grid;grid-template-columns:24px minmax(0,1fr);gap:14px;
  padding-bottom:18px;border-bottom:1px solid var(--line);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-dot{
  width:24px;height:24px;border-radius:50%;
  background:#E6F4EE;border:1px solid var(--brand-500);
  display:inline-flex;align-items:center;justify-content:center;
  margin-top:5px;
}
.check-dot::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-700)}
.check-list h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--brand-900)}
.check-list p{margin-top:6px;font-size:15.5px;line-height:1.8;color:var(--text-sub)}

/* ---------- timeline ---------- */
.section-head{max-width:720px;margin-bottom:44px}
.section-head p.section-desc{margin-top:14px;font-size:16px;color:var(--text-sub);line-height:1.85}
.timeline{position:relative;padding:8px 0}
.timeline::before{
  content:"";position:absolute;left:50%;transform:translateX(-1px);top:0;bottom:0;
  width:2px;background:var(--line);border-radius:2px;
}
.tl-item{
  position:relative;display:grid;grid-template-columns:1fr 96px 1fr;
  margin-bottom:32px;
}
.tl-item:last-child{margin-bottom:0}
.tl-node{
  grid-column:2;justify-self:center;
  width:30px;height:30px;border-radius:50%;
  background:var(--surface);border:2px solid var(--brand-500);
  display:flex;align-items:center;justify-content:center;
  margin-top:22px;z-index:1;
}
.tl-node span{width:10px;height:10px;border-radius:50%;background:var(--accent)}
.tl-card{
  grid-column:1;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  padding:24px 24px 22px;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.tl-item:nth-child(even) .tl-card{grid-column:3}
.tl-card:hover{transform:translateY(-2px);border-color:var(--brand-500);box-shadow:var(--shadow-2)}
.tl-card:hover h3{color:var(--brand-700)}
.tl-time{
  display:inline-flex;align-items:center;height:30px;padding:0 13px;
  border-radius:999px;border:1px solid var(--warn);color:#B4571F;
  background:#FDF3EC;font-size:13px;font-weight:600;letter-spacing:.02em;
}
.tl-card h3{margin-top:14px;font-size:19px;font-weight:600;line-height:1.45;color:var(--brand-900);transition:color .18s ease-out}
.tl-card p{margin-top:10px;font-size:15.5px;line-height:1.85;color:var(--text-sub)}
.tl-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:8px;background:var(--accent);
  color:var(--brand-900);font-family:var(--font-num);font-size:13px;font-weight:700;
  margin-right:10px;
}
@media (max-width:1023px){
  .timeline::before{left:14px;transform:none}
  .tl-item{grid-template-columns:30px minmax(0,1fr);gap:16px;margin-bottom:24px}
  .tl-node{grid-column:1;margin-top:20px}
  .tl-item .tl-card,
  .tl-item:nth-child(even) .tl-card{grid-column:2}
  .tl-card{padding:20px 18px 18px}
  .tl-card h3{font-size:17.5px}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  margin-bottom:14px;overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:18px;font-weight:600;color:var(--brand-900);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line);background:var(--bg);
  transition:transform .18s ease-out,border-color .18s ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-700);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px;transition:opacity .18s ease-out}
.faq-item[open] .faq-icon{transform:rotate(180deg);border-color:var(--brand-500)}
.faq-item[open] .faq-icon::after{opacity:0}
.faq-body{
  padding:0 22px 22px 22px;
}
.faq-body p{
  border-left:3px solid var(--accent);padding-left:16px;
  font-size:16px;line-height:1.85;color:var(--text-sub);margin-top:12px;
}

/* ---------- CTA bar ---------- */
.cta-bar{
  background:var(--bg-soft);border:1px solid var(--line);
  border-radius:18px;padding:32px 26px;
  display:flex;flex-direction:column;gap:22px;
}
@media (min-width:1024px){
  .cta-bar{flex-direction:row;align-items:center;justify-content:space-between;padding:36px 40px;gap:40px}
}
.cta-bar h3{font-size:21px;font-weight:700;color:var(--brand-900);line-height:1.45}
.cta-bar p{margin-top:8px;font-size:15.5px;color:var(--text-sub);line-height:1.8}
.cta-bar-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:639px){
  .cta-bar-actions .btn{width:100%}
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--brand-900);color:#E9EFEC;
  padding:56px 0 28px;margin-top:8px;
}
@media (min-width:1024px){.site-footer{padding:68px 0 30px}}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;
  padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12);
}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand .brand{display:inline-flex;align-items:center;gap:10px}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:700}
.footer-brand .brand-mark{background:var(--accent)}
.footer-brand p{
  margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(233,239,236,.72);
  max-width:340px;
}
.footer-col h4{
  font-size:15px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:2px}
.footer-col ul a{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding-left:0;
  color:rgba(233,239,236,.78);font-size:14.5px;
  transition:color .18s ease-out,padding-left .18s ease-out;
}
.footer-col ul a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:0;background:var(--accent);border-radius:2px;
  transition:height .18s ease-out;
}
.footer-col ul a:hover{color:var(--accent);padding-left:12px}
.footer-col ul a:hover::before{height:16px}
.footer-bottom{
  padding-top:22px;
  display:flex;flex-direction:column;gap:8px;
  font-size:13.5px;color:rgba(233,239,236,.6);letter-spacing:.02em;
}
@media (min-width:768px){
  .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;gap:24px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --brand-900:#0B2A25;
  --brand-700:#0E3B33;
  --brand-500:#1D6A58;
  --accent:#C8F24B;
  --warn:#E07A3F;
  --bg:#F7F6F1;
  --surface:#FFFFFF;
  --line:#E3E0D6;
  --text:#14201D;
  --text-sub:#5A6B66;
  --soft:#F1F0E9;
  --mint:#E6F4EE;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:Inter,"DIN Alternate",system-ui,sans-serif;
  --r-card:14px;
  --r-img:10px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(14,59,51,.06);
  --shadow-2:0 6px 20px rgba(14,59,51,.10);
}

*,*::before,*::after{box-sizing:border-box}

.site-body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
.site-body a{color:var(--brand-500);text-decoration:none;transition:color .18s ease-out}
.site-body a:hover{color:var(--brand-700)}
.site-body img{display:block;max-width:100%;height:auto}
.site-body button{font-family:inherit;cursor:pointer}
.site-body :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.site-body h1,.site-body h2,.site-body h3,.site-body h4,.site-body p{margin:0}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  border:1.5px solid transparent;font-size:15px;font-weight:600;line-height:1;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,filter .18s ease-out;
}
.btn-primary{background:var(--accent);color:var(--brand-700)}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:0 6px 20px rgba(14,59,51,.14);color:var(--brand-700)}
.btn-primary:active{transform:translateY(0);filter:brightness(.9)}
.btn-outline{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
.btn-outline:hover{background:var(--brand-700);color:#fff}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-700)}
.btn-ghost:hover{border-color:var(--brand-500);box-shadow:var(--shadow-2);color:var(--brand-700)}
.btn-sm{min-height:36px;padding:0 16px;font-size:14px}
.btn-lg{min-height:52px;padding:0 28px;font-size:16px}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-700)}
.text-link::after{content:"→";display:inline-block;transition:transform .18s ease-out}
.text-link:hover::after{transform:translateX(4px)}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--mint);color:var(--brand-700);font-size:13px;font-weight:600;
  letter-spacing:.02em;white-space:nowrap;
}
.badge-time{background:transparent;border:1px solid var(--warn);color:var(--warn);font-weight:500}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fffefb;border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease-out,background-color .18s ease-out;
}
.site-header.is-scrolled{background:#fff;box-shadow:0 4px 18px rgba(14,59,51,.08)}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;
  height:72px;transition:height .18s ease-out;
}
.site-header.is-scrolled .header-inner{height:64px}
.nav-group{display:flex;align-items:center;gap:26px}
.nav-left{justify-self:start}
.nav-right{justify-self:end;display:flex;align-items:center;gap:18px}
.nav-link{
  position:relative;display:inline-block;padding:6px 2px;
  font-size:15px;color:var(--text);line-height:1.5;
  transition:color .18s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease-out;
}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-700);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--brand-900);justify-self:center}
.brand:hover{color:var(--brand-700)}
.brand-mark{display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center}
.brand-mark svg{width:100%;height:100%}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;position:relative;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:2px;background:var(--brand-700);border-radius:2px;
  transition:transform .18s ease-out,opacity .18s ease-out,top .18s ease-out;
}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle.is-open span:nth-child(1){top:21px;transform:rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){top:21px;transform:rotate(-45deg)}

.mobile-drawer{
  display:none;background:#fff;border-top:1px solid var(--line);
  max-height:80vh;overflow-y:auto;padding:10px 0 18px;
}
.mobile-drawer.is-open{display:block}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;min-height:44px;padding:0 24px;
  font-size:16px;color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand-700);font-weight:600;box-shadow:inset 4px 0 0 var(--accent)}
.drawer-foot{padding:16px 24px 0}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-sub);letter-spacing:.02em}
.breadcrumb a{color:var(--text-sub)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .sep{color:#B9C2BD}
.breadcrumb .current{color:var(--text)}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--bg);padding:52px 0 84px}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(29,106,88,.055) 0 1px,transparent 1px 34px);
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(29,106,88,.10);pointer-events:none;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero-title{
  margin-top:22px;font-size:40px;line-height:1.28;font-weight:700;color:var(--brand-900);letter-spacing:-.01em;
}
.hero-sub{margin-top:18px;font-size:19px;line-height:1.7;color:var(--brand-700);font-weight:600}
.hero-text{margin-top:18px;font-size:16.5px;line-height:1.9;color:var(--text-sub);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;list-style:none;margin:34px 0 0;padding:0}
.hero-stats li{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 20px;
  box-shadow:var(--shadow-1);min-width:118px;
}
.hero-stats strong{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:22px;line-height:1.3;color:var(--brand-700)}
.hero-stats span{display:block;font-size:13px;color:var(--text-sub);line-height:1.6;letter-spacing:.02em}
.hero-figure{margin:0;position:relative}
.hero-figure img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:16px;
  box-shadow:var(--shadow-2);background:#EDECE4;
}
.hero-figure figcaption{
  position:absolute;left:18px;bottom:18px;background:rgba(11,42,37,.86);color:#E9EFEC;
  font-size:13.5px;line-height:1.6;padding:10px 16px;border-radius:10px;max-width:80%;
}

/* ============ 板块 ============ */
.section{padding:92px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:44px}
.section-title{
  display:flex;align-items:center;gap:14px;
  font-size:26px;line-height:1.35;font-weight:700;color:var(--brand-900);
}
.section-title::before{content:"";flex:0 0 6px;width:6px;height:28px;border-radius:3px;background:var(--accent)}
.section-lead{margin-top:16px;font-size:16px;line-height:1.85;color:var(--text-sub)}

/* ============ 保障能力 ============ */
.cap-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:32px;align-items:start}
.cap-feature{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.cap-feature:hover{transform:translateY(-2px);border-color:var(--brand-500);box-shadow:var(--shadow-2)}
.cap-feature img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#EDECE4;transition:transform .2s ease-out}
.cap-feature:hover img{transform:scale(1.03)}
.cap-feature-body{padding:24px 26px 28px}
.cap-feature h3{margin:14px 0 10px;font-size:20px;line-height:1.45;font-weight:600;color:var(--brand-900)}
.cap-feature p{font-size:15.5px;line-height:1.85;color:var(--text-sub)}
.cap-list{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.cap-item{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:18px;
  padding:22px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.cap-item:hover{transform:translateY(-2px);border-color:var(--brand-500);box-shadow:var(--shadow-2)}
.cap-icon{
  width:44px;height:44px;border-radius:12px;background:var(--mint);color:var(--brand-700);
  display:grid;place-items:center;
}
.cap-icon svg{width:22px;height:22px}
.cap-item h3{margin-bottom:6px;font-size:17px;line-height:1.5;font-weight:600;color:var(--text)}
.cap-item p{font-size:15px;line-height:1.8;color:var(--text-sub)}

/* ============ 标签栏 + 长列表 ============ */
.split{display:grid;grid-template-columns:200px minmax(0,1fr);gap:44px;align-items:start}
.tagbar{position:sticky;top:96px;display:flex;flex-direction:column;gap:6px}
.tagbar-title{font-size:13px;color:var(--text-sub);letter-spacing:.06em;margin-bottom:8px;padding-left:14px}
.tag{
  display:block;padding:11px 14px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:15px;color:var(--text-sub);white-space:nowrap;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.tag:hover{background:#fff;border-color:var(--line);color:var(--brand-700)}
.tag.is-active{background:var(--accent);color:var(--brand-900);font-weight:600}

.entry-groups{display:grid;gap:40px}
.entry-group{scroll-margin-top:104px}
.group-title{
  display:flex;align-items:center;gap:10px;
  font-size:15px;font-weight:600;color:var(--text-sub);letter-spacing:.04em;margin-bottom:12px;
}
.group-title span{display:inline-block;width:8px;height:8px;border-radius:2px;background:var(--brand-500)}
.entry-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.entry{
  display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:18px;align-items:center;
  padding:18px 16px;border-bottom:1px solid var(--line);
  transition:background-color .18s ease-out,transform .18s ease-out;
}
.entry:hover{background:var(--soft);transform:translateX(2px)}
.entry-num{
  width:40px;height:40px;border-radius:10px;background:var(--accent);color:var(--brand-900);
  display:grid;place-items:center;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:14px;font-weight:700;
}
.entry-title{font-size:17px;line-height:1.5;font-weight:600;color:var(--text);transition:color .18s ease-out}
.entry:hover .entry-title{color:var(--brand-700)}
.entry-desc{margin-top:6px;font-size:14.5px;line-height:1.75;color:var(--text-sub)}
.entry-meta{display:flex;align-items:center;gap:10px}

/* ============ 自检清单 ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.check-item{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:18px;
  padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.check-item:hover{transform:translateY(-2px);border-color:var(--brand-500);box-shadow:var(--shadow-2)}
.check-icon{
  width:40px;height:40px;border-radius:10px;background:var(--mint);color:var(--brand-700);
  display:grid;place-items:center;
}
.check-icon svg{width:20px;height:20px}
.check-item h3{margin-bottom:6px;font-size:17px;line-height:1.5;font-weight:600}
.check-item p{font-size:15px;line-height:1.8;color:var(--text-sub)}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:22px;list-style:none;margin:0;padding:0}
.flow-step{position:relative;padding-top:52px}
.flow-num{
  position:absolute;top:0;left:0;width:36px;height:36px;border-radius:999px;
  background:var(--accent);color:var(--brand-900);display:grid;place-items:center;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:14px;font-weight:700;
}
.flow-step::before{
  content:"";position:absolute;top:17px;left:48px;right:-22px;height:1px;background:var(--line);
}
.flow-step:last-child::before{display:none}
.flow-step h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;color:var(--brand-900)}
.flow-step p{font-size:14.5px;line-height:1.8;color:var(--text-sub)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .18s ease-out,box-shadow .18s ease-out}
.faq-item:hover{border-color:var(--brand-500);box-shadow:var(--shadow-1)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:18px;font-weight:600;line-height:1.5;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-family:var(--font-num);font-size:22px;line-height:1;
  color:var(--brand-500);transition:transform .18s ease-out;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{padding:0 24px 22px}
.faq-answer p{
  padding-left:14px;border-left:3px solid var(--accent);
  font-size:16px;line-height:1.85;color:var(--text-sub);
}

/* ============ 底部 CTA ============ */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  background:var(--soft);border:1px solid var(--line);border-radius:18px;
  padding:38px 42px;
}
.cta-copy h2{font-size:24px;line-height:1.4;font-weight:700;color:var(--brand-900)}
.cta-copy p{margin-top:12px;font-size:15.5px;line-height:1.85;color:var(--text-sub);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:#E9EFEC;padding:68px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px}
.footer-brand .brand{color:#fff;justify-self:start}
.site-footer .brand-mark svg path:first-child{fill:var(--accent)}
.site-footer .brand-mark svg path:last-child{stroke:var(--brand-900)}
.site-footer .brand-text{color:#fff}
.footer-brand p{
  margin-top:18px;max-width:340px;font-size:14.5px;line-height:1.85;color:rgba(233,239,236,.72);
}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.footer-col a{
  position:relative;display:inline-block;padding-left:0;
  font-size:14.5px;color:rgba(233,239,236,.78);transition:color .18s ease-out,padding-left .18s ease-out;
}
.footer-col a::before{
  content:"";position:absolute;left:0;top:50%;width:2px;height:0;background:var(--accent);
  transform:translateY(-50%);transition:height .18s ease-out;
}
.footer-col a:hover{color:var(--accent);padding-left:12px}
.footer-col a:hover::before{height:14px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:52px;padding:24px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:13.5px;line-height:1.75;color:rgba(233,239,236,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 20px}
  .nav-group.nav-left,.nav-group.nav-right-group,.nav-cta{display:none}
  .nav-toggle{display:block}
  .header-inner{grid-template-columns:44px 1fr 44px;height:64px;gap:12px}
  .site-header.is-scrolled .header-inner{height:60px}
  .brand{justify-self:center}
  .nav-right{justify-self:end}
  .hero{padding:36px 0 64px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:36px}
  .hero-title{font-size:32px;margin-top:18px}
  .hero-sub{font-size:17.5px}
  .hero-figure img{aspect-ratio:16/9}
  .section{padding:72px 0}
  .cap-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .split{grid-template-columns:minmax(0,1fr);gap:28px}
  .tagbar{
    position:static;flex-direction:row;gap:10px;overflow-x:auto;padding-bottom:8px;
    -webkit-overflow-scrolling:touch;
  }
  .tagbar-title{display:none}
  .tagbar .tag{flex:0 0 auto}
  .entry-group{scroll-margin-top:88px}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
  .flow-step::before{display:none}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:32px}
  .cta-actions{width:100%}
}

@media (max-width:639px){
  .site-body{font-size:16px}
  .container{padding:0 18px}
  .brand-text{font-size:16px}
  .hero-title{font-size:28px;line-height:1.32}
  .hero-sub{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-stats li{flex:1 1 calc(50% - 6px);min-width:0;padding:12px 14px}
  .hero-figure figcaption{position:static;margin-top:12px;max-width:none;background:var(--soft);color:var(--text-sub);border-radius:10px}
  .section{padding:56px 0}
  .section-title{font-size:22px}
  .section-title::before{height:24px}
  .check-grid{grid-template-columns:minmax(0,1fr)}
  .flow{grid-template-columns:minmax(0,1fr);gap:22px}
  .entry{grid-template-columns:36px minmax(0,1fr);gap:12px;padding:16px 12px}
  .entry-num{width:34px;height:34px;font-size:13px;border-radius:8px}
  .entry-meta{grid-column:2;flex-wrap:wrap;margin-top:8px}
  .entry:hover{transform:none}
  .faq-item summary{font-size:16.5px;padding:18px 18px}
  .faq-answer{padding:0 18px 18px}
  .cta-bar{padding:26px 22px}
  .cta-copy h2{font-size:20px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px}
  .footer-col ul{gap:0}
  .footer-col a{display:flex;align-items:center;min-height:44px}
  .footer-bottom{flex-direction:column;gap:8px;margin-top:36px}
}

@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}