/* roulang page: index */
:root{
  --brand-900:#12332C;
  --brand-700:#1B4A3E;
  --brand-100:#DDE9E3;
  --accent-600:#C8401F;
  --accent-700:#A93716;
  --accent-500:#E24B2A;
  --lime:#CDEB6A;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --ink-900:#141A18;
  --ink-600:#4E5854;
  --line:#E3DED4;
  --danger:#B3261E;
  --ok:#3FB27F;

  --fs-h1:clamp(30px,4.4vw,46px);
  --fs-h2:clamp(24px,2.8vw,32px);
  --fs-h3:clamp(18px,2vw,22px);
  --fs-body:16px;
  --fs-sm:14px;
  --fs-xs:13px;
  --fs-2xs:12px;
  --lh-tight:1.2;
  --lh-title:1.3;
  --lh-body:1.75;

  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;

  --sh-1:0 1px 2px rgba(18,51,44,.06), 0 2px 8px rgba(18,51,44,.05);
  --sh-2:0 10px 24px rgba(18,51,44,.10);

  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px;
  --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px;
  --sp-9:88px;

  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:var(--fs-body);
  line-height:var(--lh-body);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:var(--brand-900);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--accent-600)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,dl,dd{margin:0}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* 栅格：沿用 Foundation 的 row / columns 名称，覆盖为网格布局 */
.row{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:24px;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.row > .columns{float:none;width:auto;padding-left:0;padding-right:0}
.col-12{grid-column:span 12}
.col-7{grid-column:span 7}
.col-6{grid-column:span 6}
.col-5{grid-column:span 5}
.col-4{grid-column:span 4}
.col-3{grid-column:span 3}

/* 顶部活动条 */
.topbar{background:var(--brand-900);color:#EDF3F0;font-size:var(--fs-xs)}
.topbar.is-hidden{display:none}
.topbar-inner{display:flex;align-items:center;gap:16px;min-height:42px;padding-top:7px;padding-bottom:7px}
.topbar-text{flex:1;line-height:1.5}
.countdown{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(205,235,106,.45);
  padding:4px 12px;border-radius:var(--r-pill);white-space:nowrap;
}
.countdown span{color:#C8D6D0;font-size:var(--fs-2xs)}
.countdown strong{color:var(--lime);font-variant-numeric:tabular-nums;letter-spacing:.06em;font-weight:600}
.topbar-close{
  width:28px;height:28px;line-height:1;border-radius:8px;font-size:18px;color:#C8D6D0;
  display:inline-flex;align-items:center;justify-content:center;transition:background .18s var(--ease),color .18s var(--ease)
}
.topbar-close:hover{background:rgba(255,255,255,.14);color:#fff}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:32px;height:32px;display:block}
.brand-text{display:inline-flex;align-items:baseline;gap:2px;font-size:20px;letter-spacing:-.01em}
.brand-text strong{color:var(--brand-900);font-weight:700}
.brand-text em{font-style:normal;color:var(--accent-600);font-weight:700}
.nav-links{display:flex;align-items:center;gap:4px;flex:1}
.nav-links a{
  position:relative;display:inline-block;padding:22px 12px;
  font-size:15px;font-weight:500;color:var(--ink-600);white-space:nowrap;
  transition:color .18s var(--ease)
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:14px;height:3px;
  background:var(--accent-500);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease)
}
.nav-links a:hover{color:var(--brand-900)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand-900);font-weight:600}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.status-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-100);color:var(--brand-900);
  font-size:var(--fs-xs);padding:6px 12px;border-radius:var(--r-pill);white-space:nowrap
}
.status-tag i{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(63,178,127,.18)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px}

/* 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);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.btn svg{width:14px;height:14px}
.btn-primary{background:var(--accent-600);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--accent-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;color:var(--brand-900);border:1.5px solid var(--brand-900)}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-900)}
.btn-light{background:#fff;color:var(--brand-900)}
.btn-light:hover{background:var(--brand-100);color:var(--brand-900);transform:translateY(-1px)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:var(--fs-sm);font-weight:600;
  color:var(--brand-900);border-bottom:1.5px solid rgba(18,51,44,.28);padding-bottom:2px;
  transition:color .18s var(--ease),border-color .18s var(--ease)
}
.link-arrow:hover{color:var(--accent-600);border-color:var(--accent-600)}
.link-arrow::after{content:"→";font-size:13px}

/* 区块 */
.section{padding:var(--sp-9) 0}
.section--tight{padding:var(--sp-7) 0}
.section--paper{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:var(--fs-xs);font-weight:600;
  color:var(--brand-700);letter-spacing:.08em;margin-bottom:12px
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent-500);border-radius:2px}
.section-title{font-size:var(--fs-h2);line-height:var(--lh-title);font-weight:700;letter-spacing:-.01em}
.section-sub{margin-top:12px;font-size:var(--fs-sm);color:var(--ink-600);max-width:640px;line-height:1.8}

/* Hero */
.hero{position:relative;padding:64px 0 48px;background:
  radial-gradient(1200px 420px at 82% -10%, rgba(205,235,106,.18), transparent 60%),
  linear-gradient(180deg,#FBFAF6 0%,var(--bg) 100%);
}
.hero-inner{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-copy h1{font-size:var(--fs-h1);line-height:var(--lh-tight);letter-spacing:-.015em;font-weight:700;color:var(--brand-900)}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.8;color:var(--ink-600);max-width:560px}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.hero-stats dt{font-size:22px;font-weight:700;color:var(--brand-900);font-variant-numeric:tabular-nums;line-height:1.3}
.hero-stats dd{margin-top:6px;font-size:var(--fs-xs);color:var(--ink-600);line-height:1.6}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--sh-1)}
.hero-badge{
  position:absolute;right:16px;bottom:16px;display:inline-flex;align-items:center;gap:8px;
  background:rgba(18,51,44,.92);color:#EDF3F0;font-size:var(--fs-2xs);
  padding:8px 14px;border-radius:var(--r-pill);backdrop-filter:blur(2px)
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(205,235,106,.22)}
.logo-strip{margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}
.logo-strip p{font-size:var(--fs-xs);color:#8A938E;letter-spacing:.06em;margin-bottom:16px}
.logo-strip ul{display:flex;flex-wrap:wrap;gap:12px 28px}
.logo-strip li{font-size:var(--fs-sm);color:#8A938E;font-weight:500}

/* 卡片 */
.card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.card h3{font-size:var(--fs-h3);line-height:1.4;font-weight:700;color:var(--ink-900);transition:color .18s var(--ease)}
.card:hover h3{color:var(--accent-600)}
.card p{margin-top:10px;font-size:var(--fs-sm);color:var(--ink-600);line-height:1.8}
.icon-box{
  width:44px;height:44px;border-radius:12px;background:var(--brand-100);
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand-900);margin-bottom:18px
}
.icon-box svg{width:22px;height:22px}
.feature-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.feature-grid .card-lg{grid-column:span 6;padding:36px;display:flex;gap:28px;align-items:flex-start}
.feature-grid .card-lg .card-body{flex:1}
.feature-grid .card-lg h3{font-size:24px}
.feature-grid .card-sm{grid-column:span 3}
.feature-grid .card-lg .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.card-cover{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;border:1px solid var(--line);margin-bottom:18px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-700);font-size:var(--fs-2xs);font-weight:600;letter-spacing:.02em
}
.tag--accent{background:#FBE7E1;color:var(--accent-700)}
.tag--lime{background:#F0F8D9;color:#496000}

/* 使用场景 */
.scene-list{display:grid;gap:48px}
.scene{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.scene:nth-child(even) .scene-media{order:2}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line)}
.scene-no{font-size:72px;line-height:1;font-weight:700;color:rgba(18,51,44,.10);font-variant-numeric:tabular-nums;margin-bottom:8px}
.scene h3{font-size:var(--fs-h3);font-weight:700;line-height:1.4}
.scene p{margin-top:12px;font-size:var(--fs-sm);color:var(--ink-600);line-height:1.85}
.scene .link-arrow{margin-top:18px}

/* 案例 */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.case-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease)
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.case-tall{padding:36px;display:flex;flex-direction:column;justify-content:space-between;gap:24px}
.case-card h3{font-size:20px;font-weight:700;line-height:1.45;margin-top:14px}
.case-card p{margin-top:10px;font-size:var(--fs-sm);color:var(--ink-600);line-height:1.8}
.case-metrics{display:flex;gap:32px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.case-metrics dt{font-size:22px;font-weight:700;color:var(--brand-900);font-variant-numeric:tabular-nums}
.case-metrics dd{font-size:var(--fs-2xs);color:var(--ink-600);margin-top:4px}
.metric-row{
  margin-top:24px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  background:var(--brand-900);color:#E7EFEA;border-radius:var(--r-card);padding:28px 32px
}
.metric-row dt{font-size:20px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums}
.metric-row dd{font-size:var(--fs-xs);color:#BFCFC8;margin-top:6px;line-height:1.6}

/* 价格 */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.price-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px 28px;box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease)
}
.price-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.price-card--hl{border:2px solid var(--accent-600);transform:translateY(-8px)}
.price-card--hl:hover{transform:translateY(-10px)}
.price-badge{
  position:absolute;top:-14px;left:28px;background:var(--accent-600);color:#fff;
  font-size:var(--fs-2xs);font-weight:600;padding:5px 12px;border-radius:var(--r-pill)
}
.price-card h3{font-size:19px;font-weight:700}
.price-num{margin-top:16px;font-size:36px;font-weight:700;color:var(--brand-900);font-variant-numeric:tabular-nums;line-height:1.1}
.price-unit{font-size:var(--fs-xs);color:var(--ink-600);margin-top:6px}
.price-feats{margin:22px 0 26px;display:grid;gap:10px}
.price-feats li{position:relative;padding-left:22px;font-size:var(--fs-sm);color:var(--ink-600);line-height:1.7}
.price-feats li::before{
  content:"";position:absolute;left:2px;top:9px;width:8px;height:8px;border-radius:2px;
  background:var(--brand-100);border:1px solid var(--brand-700)
}
.compare-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;margin-top:48px;box-shadow:var(--sh-1)}
.compare-tabs{margin:0 0 24px;border-bottom:1px solid var(--line);background:transparent;display:flex;gap:8px;flex-wrap:wrap}
.compare-tabs .tabs-title{float:none}
.compare-tabs .tabs-title > a{
  font-size:var(--fs-sm);padding:9px 18px;border-radius:var(--r-pill);
  background:#F2F0EA;color:var(--ink-600);border:1px solid transparent;line-height:1.4
}
.compare-tabs .tabs-title > a:hover{color:var(--brand-900);background:var(--brand-100)}
.compare-tabs .tabs-title.is-active > a{background:var(--brand-900);color:#fff;border-color:var(--brand-900)}
.compare-tabs .tabs-title > a:focus{outline:2px solid var(--accent-500);outline-offset:2px}
.compare-panels .tabs-panel{padding:0}
.table-wrap{width:100%;overflow-x:auto}
table.cmp{width:100%;border-collapse:collapse;font-size:var(--fs-sm);min-width:520px}
table.cmp th,table.cmp td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);color:var(--ink-600)}
table.cmp thead th{background:#F2F0EA;color:var(--brand-900);font-weight:600;font-size:var(--fs-xs);letter-spacing:.02em}
table.cmp tbody tr:nth-child(even){background:#FBFAF6}
table.cmp td:first-child{color:var(--ink-900);font-weight:500}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;transition:transform .2s var(--ease),box-shadow .2s var(--ease)
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.news-card-link{display:block;padding:24px;height:100%}
.news-card h3{
  margin-top:14px;font-size:17px;font-weight:700;line-height:1.5;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s var(--ease)
}
.news-card:hover h3{color:var(--accent-600)}
.news-card p{
  margin-top:10px;font-size:var(--fs-sm);color:var(--ink-600);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden
}
.news-date{display:block;margin-top:18px;font-size:var(--fs-2xs);color:#8A938E;font-variant-numeric:tabular-nums}
.news-empty{
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-card);
  color:var(--ink-600);font-size:var(--fs-sm)
}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)
}
.faq-item:hover{border-color:#CFC8BA}
.faq-item[open]{box-shadow:var(--sh-1);border-color:#CFC8BA}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;padding:18px 52px 18px 22px;
  font-size:16px;font-weight:500;color:var(--ink-900);line-height:1.6
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--ink-600);border-bottom:2px solid var(--ink-600);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s var(--ease)
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item summary::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;background:transparent;border-radius:0 3px 3px 0;transition:background .18s var(--ease)}
.faq-item[open] summary::before{background:var(--accent-500)}
.faq-body{padding:0 22px 22px;font-size:15px;line-height:1.75;color:var(--ink-600)}
.faq-body p{margin:0}

/* 结尾 CTA */
.cta-band{background:var(--brand-900);color:#EDF3F0;padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:var(--fs-h2);line-height:1.35;font-weight:700;color:#fff}
.cta-inner p{margin-top:12px;font-size:var(--fs-sm);color:#BFCFC8;max-width:560px;line-height:1.8}

/* 页脚 */
.site-footer{background:var(--brand-900);color:#C8D6D0;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:var(--lime)}
.footer-brand p{margin-top:16px;font-size:var(--fs-sm);line-height:1.85;color:#AFC0B8;max-width:320px}
.footer-col h4{font-size:var(--fs-sm);font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:#AFC0B8;font-size:var(--fs-sm);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-col p{font-size:var(--fs-sm);color:#AFC0B8;line-height:1.85}
.footer-status{margin-top:18px;display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);color:#DDE9E3;font-size:var(--fs-2xs);padding:6px 12px;border-radius:var(--r-pill)}
.footer-status i{width:6px;height:6px;border-radius:50%;background:var(--lime)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;font-size:var(--fs-2xs);color:#8FA39A
}
.footer-bottom a{color:#8FA39A}
.footer-bottom a:hover{color:var(--lime)}

/* 响应式 */
@media (max-width:1023px){
  .section{padding:64px 0}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero{padding:48px 0 40px}
  .col-7,.col-6,.col-5{grid-column:span 12}
  .col-4,.col-3{grid-column:span 6}
  .feature-grid .card-lg{flex-direction:column;gap:18px;padding:28px}
  .feature-grid .card-sm{grid-column:span 3}
  .scene{grid-template-columns:1fr;gap:24px}
  .scene:nth-child(even) .scene-media{order:0}
  .price-grid{grid-template-columns:1fr}
  .price-card--hl{transform:none}
  .price-card--hl:hover{transform:translateY(-2px)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}

  .nav-links{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    padding:8px 20px 20px;box-shadow:var(--sh-2);
    display:none;
  }
  .nav-links a{padding:14px 4px;border-bottom:1px solid var(--line);font-size:15px}
  .nav-links a::after{display:none}
  .nav-links a.is-active{color:var(--accent-600)}
  .site-header.nav-open .nav-links{display:flex}
  .nav-inner{min-height:60px;gap:12px}
  .nav-toggle{display:inline-flex}
  .nav-actions .status-tag{display:none}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .row{padding:0 20px;gap:16px}
  .section{padding:48px 0}
  .col-4,.col-3{grid-column:span 12}
  .hero-stats{grid-template-columns:1fr;gap:14px}
  .hero-stats dl{}
  .hero-actions .btn{flex:1 1 100%}
  .feature-grid{grid-template-columns:1fr}
  .feature-grid .card-sm,.feature-grid .card-lg{grid-column:span 1}
  .news-grid{grid-template-columns:1fr}
  .metric-row{grid-template-columns:1fr;gap:18px;padding:24px}
  .case-metrics{flex-wrap:wrap;gap:20px}
  .price-num{font-size:30px}
  .footer-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .topbar-text{display:none}
  .topbar-inner{gap:10px}
  .topbar-close{margin-left:auto}
  .scene-no{font-size:52px}
  .faq-item summary{font-size:15px;padding:16px 46px 16px 18px}
  .brand-text{font-size:18px}
  .brand-mark{width:28px;height:28px}
}
@media (max-width:520px){
  .hero h1{font-size:28px}
  .section-title{font-size:23px}
  .btn{font-size:14px;padding:0 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: article */
/* ============ 设计变量 ============ */
:root{
  --brand-900:#12332C;
  --brand-700:#1B4A3E;
  --brand-100:#DDE9E3;
  --accent-600:#C8401F;
  --accent-700:#A93716;
  --accent-500:#E24B2A;
  --lime:#CDEB6A;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --ink-900:#141A18;
  --ink-600:#4E5854;
  --line:#E3DED4;
  --danger:#B3261E;

  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;

  --shadow-1:0 1px 2px rgba(18,51,44,.06),0 2px 8px rgba(18,51,44,.05);
  --shadow-2:0 10px 24px rgba(18,51,44,.10);

  --fs-h1:46px;
  --fs-post-title:38px;
  --fs-h2:32px;
  --fs-h3:22px;
  --fs-body:16px;
  --fs-small:14px;
  --fs-meta:13px;
  --fs-tiny:12px;

  --nav-h:68px;
  --gutter:24px;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:var(--fs-body);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;font-size:inherit;}
table{border-collapse:collapse;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-0.01em;color:var(--ink-900);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 var(--gutter);
}
.mono{font-variant-numeric:tabular-nums;}

/* ============ 顶部活动条 ============ */
.topbar{
  background:var(--brand-900);
  color:#E9F2EE;
  font-size:13px;
  min-height:44px;
  display:flex;
  align-items:center;
}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:44px;
  padding-top:6px;
  padding-bottom:6px;
}
.topbar-note{
  margin:0;
  color:rgba(233,242,238,.86);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.topbar-timer{
  margin-left:auto;
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.timer-label{color:rgba(233,242,238,.7);}
.timer-value{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 10px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.08);
  color:var(--lime);
  font-weight:700;
  letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
}
.topbar-close{
  flex:none;
  width:28px;height:28px;
  border:0;border-radius:8px;
  background:rgba(255,255,255,.1);
  color:#E9F2EE;
  line-height:1;
  font-size:16px;
  cursor:pointer;
  transition:background-color .18s ease;
}
.topbar-close:hover{background:rgba(255,255,255,.2);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(18,51,44,.02);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:var(--nav-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.brand-mark{width:32px;height:32px;flex:none;}
.brand-text{display:inline-flex;align-items:baseline;gap:3px;line-height:1;}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:-0.01em;color:var(--brand-900);}
.brand-text em{
  font-style:normal;
  font-size:12px;
  font-weight:600;
  color:var(--accent-600);
  letter-spacing:.04em;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:14px;
}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:var(--nav-h);
  padding:0 12px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-600);
  transition:color .18s ease;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:0;
  height:3px;
  background:var(--accent-500);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease-out;
}
.nav-links a:hover{color:var(--brand-900);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand-900);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
}
.status-tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:28px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:var(--fs-meta);
  white-space:nowrap;
}
.status-tag i{
  width:6px;height:6px;border-radius:50%;
  background:#1F9D55;
  box-shadow:0 0 0 3px rgba(31,157,85,.18);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  padding:0;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--surface);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--brand-900);
  transition:transform .2s ease,opacity .2s ease;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border:1.5px solid transparent;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  background:none;
  transition:transform .18s ease-out,background-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn svg{width:16px;height:16px;flex:none;}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--accent-600);color:#fff;}
.btn-primary:hover{background:var(--accent-700);transform:translateY(-1px);box-shadow:var(--shadow-2);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--brand-900);color:var(--brand-900);}
.btn-ghost:hover{background:var(--brand-100);transform:translateY(-1px);}
.btn-light{background:var(--surface);color:var(--brand-900);}
.btn-light:hover{background:var(--brand-100);transform:translateY(-1px);box-shadow:var(--shadow-2);}

/* ============ 面包屑 ============ */
.article-hero{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  padding:32px 0 40px;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:var(--fs-meta);
  color:var(--ink-600);
  margin-bottom:24px;
}
.breadcrumb a{color:var(--ink-600);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--accent-600);}
.breadcrumb .sep{color:#B9B2A5;}
.crumb-current{
  max-width:min(620px,100%);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  color:var(--ink-900);
}
.post-tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  margin-bottom:16px;
  border-radius:var(--radius-pill);
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:var(--fs-meta);
  font-weight:600;
}
.post-title{
  font-size:var(--fs-post-title);
  line-height:1.3;
  font-weight:700;
  max-width:920px;
  margin-bottom:22px;
}
.post-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 24px;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:var(--fs-meta);
  color:var(--ink-600);
}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-item svg{width:15px;height:15px;color:var(--brand-700);opacity:.7;flex:none;}
.meta-item b{color:var(--ink-900);font-weight:600;}
.meta-actions{margin-left:auto;display:flex;gap:8px;}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--surface);
  color:var(--ink-600);
  cursor:pointer;
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.icon-btn svg{width:17px;height:17px;}
.icon-btn:hover{border-color:var(--brand-700);color:var(--brand-900);background:var(--brand-100);}

/* ============ 文章主体 ============ */
.article-main{padding:56px 0 72px;}
.article-row{margin-left:0;margin-right:0;max-width:none;}
.article-row .columns{padding-left:0;padding-right:0;}
.article-row .article-col{padding-right:40px;}
.article-body{
  max-width:760px;
  font-size:var(--fs-body);
  line-height:1.85;
  color:var(--ink-900);
}
.article-body p{margin:0 0 1em;}
.article-body h2{
  position:relative;
  font-size:28px;
  line-height:1.35;
  font-weight:700;
  margin:48px 0 18px;
  padding-left:14px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:7px;bottom:7px;
  width:4px;
  border-radius:2px;
  background:var(--accent-500);
}
.article-body h3{
  font-size:21px;
  font-weight:600;
  line-height:1.45;
  margin:32px 0 12px;
}
.article-body ul,
.article-body ol{
  list-style:none;
  margin:0 0 1em;
  padding-left:0;
}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:4px;top:.74em;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--accent-500);
}
.article-body ol{counter-reset:item;}
.article-body ol li{position:relative;padding-left:26px;margin-bottom:10px;counter-increment:item;}
.article-body ol li::before{
  content:counter(item);
  position:absolute;
  left:0;top:.18em;
  font-size:13px;
  font-weight:700;
  color:var(--accent-600);
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:24px 0;
  padding:18px 22px;
  background:#FBF7F0;
  border-left:4px solid var(--accent-500);
  border-radius:0 12px 12px 0;
  color:var(--ink-600);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body figure{margin:24px 0;}
.article-body img{
  width:100%;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
}
.article-body figcaption{
  margin-top:8px;
  font-size:var(--fs-meta);
  color:var(--ink-600);
  text-align:center;
}
.article-body a{
  color:var(--accent-600);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-body a:hover{color:var(--accent-700);}
.article-body table{
  width:100%;
  margin:24px 0;
  font-size:var(--fs-small);
  border:1px solid var(--line);
  border-radius:10px;
  overflow:hidden;
}
.article-body th,
.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
  vertical-align:top;
}
.article-body th{background:var(--brand-100);color:var(--brand-900);font-weight:600;}
.article-body tbody tr:nth-child(even){background:#FBFAF7;}
.article-body tr:last-child td{border-bottom:0;}
.article-body code{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  font-size:.9em;
  background:#EDEAE2;
  border-radius:6px;
  padding:2px 6px;
}
.article-body pre{
  margin:24px 0;
  padding:16px 18px;
  background:var(--brand-900);
  color:#E9F2EE;
  border-radius:12px;
  overflow-x:auto;
  font-size:var(--fs-meta);
  line-height:1.7;
}
.article-body pre code{background:none;color:inherit;padding:0;}

/* 空态 */
.article-empty{
  min-height:340px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:56px 24px;
  background:var(--surface);
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
}
.empty-icon{
  width:52px;height:52px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  background:var(--brand-100);
  color:var(--brand-700);
  margin-bottom:18px;
}
.empty-icon svg{width:24px;height:24px;}
.article-empty h2{font-size:22px;margin-bottom:10px;}
.article-empty p{color:var(--ink-600);max-width:460px;font-size:var(--fs-small);margin-bottom:24px;}

/* 目录侧栏 */
.toc-card{
  position:sticky;
  top:calc(var(--nav-h) + 28px);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-1);
}
.toc-title{
  font-size:var(--fs-tiny);
  font-weight:600;
  letter-spacing:.16em;
  color:var(--ink-600);
  margin-bottom:14px;
}
.toc-list{list-style:none;border-left:1px solid var(--line);}
.toc-list li{margin:0;}
.toc-list a{
  display:block;
  margin-left:-1px;
  padding:8px 0 8px 14px;
  border-left:2px solid transparent;
  font-size:var(--fs-small);
  line-height:1.5;
  color:var(--ink-600);
  transition:color .18s ease,border-color .18s ease;
}
.toc-list a:hover{color:var(--brand-900);}
.toc-list a.is-active{
  color:var(--accent-600);
  border-left-color:var(--accent-500);
  font-weight:600;
}
.toc-foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:var(--fs-meta);
}
.toc-foot a{color:var(--accent-600);font-weight:600;}
.toc-foot a:hover{color:var(--accent-700);text-decoration:underline;text-underline-offset:3px;}

/* 标签 */
.post-tags{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  max-width:760px;
  margin-top:44px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.tags-label{font-size:var(--fs-meta);color:var(--ink-600);margin-right:4px;}
.post-tags a{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  background:var(--surface);
  border:1px solid var(--line);
  font-size:var(--fs-meta);
  color:var(--ink-600);
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.post-tags a:hover{background:var(--brand-100);border-color:var(--brand-100);color:var(--brand-900);}

/* 延伸阅读双卡 */
.post-nav{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  max-width:760px;
  margin-top:32px;
}
.post-nav a{
  display:block;
  padding:20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.post-nav a:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:var(--brand-100);
}
.post-nav .nav-kicker{
  display:block;
  font-size:var(--fs-tiny);
  letter-spacing:.14em;
  color:var(--ink-600);
  margin-bottom:8px;
}
.post-nav .nav-name{
  display:block;
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink-900);
}
.post-nav a:hover .nav-name{color:var(--accent-600);}

/* ============ 相关推荐 ============ */
.related{
  padding:72px 0;
  background:var(--surface);
  border-top:1px solid var(--line);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:28px;
}
.section-head h2{font-size:var(--fs-h2);line-height:1.3;}
.section-head .sub{
  margin:8px 0 0;
  font-size:var(--fs-small);
  color:var(--ink-600);
}
.link-more{
  flex:none;
  font-size:var(--fs-small);
  font-weight:600;
  color:var(--accent-600);
  white-space:nowrap;
}
.link-more:hover{text-decoration:underline;text-underline-offset:4px;}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.related-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.related-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:var(--brand-100);
}
.card-thumb{
  aspect-ratio:4/3;
  background:var(--brand-100);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.related-card:hover .card-thumb img{transform:scale(1.03);}
.card-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:20px;
  flex:1;
}
.card-cat{
  align-self:flex-start;
  font-size:var(--fs-tiny);
  font-weight:600;
  padding:3px 10px;
  border-radius:var(--radius-pill);
  background:var(--brand-100);
  color:var(--brand-700);
}
.card-title{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink-900);
  transition:color .18s ease;
}
.related-card:hover .card-title{color:var(--accent-600);}
.card-desc{
  font-size:var(--fs-small);
  line-height:1.7;
  color:var(--ink-600);
  margin:0;
}
.card-time{
  margin-top:auto;
  font-size:var(--fs-tiny);
  color:var(--ink-600);
  font-variant-numeric:tabular-nums;
}

/* ============ 结尾 CTA ============ */
.end-cta{
  background:var(--brand-900);
  color:#F3F7F5;
  padding:56px 0;
}
.end-cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.end-cta h2{
  font-size:28px;
  line-height:1.35;
  color:#fff;
  margin-bottom:10px;
}
.end-cta p{
  margin:0;
  max-width:660px;
  font-size:var(--fs-small);
  line-height:1.8;
  color:rgba(243,247,245,.78);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-900);
  color:#D7E3DE;
  padding:64px 0 28px;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.site-footer .brand-text strong{color:#fff;}
.site-footer .brand-text em{color:var(--lime);}
.footer-brand p{
  margin:16px 0;
  font-size:var(--fs-small);
  line-height:1.8;
  color:rgba(215,227,222,.76);
  max-width:340px;
}
.footer-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:var(--fs-meta);
  color:var(--lime);
}
.footer-status i{
  width:6px;height:6px;border-radius:50%;
  background:#1F9D55;
  box-shadow:0 0 0 3px rgba(31,157,85,.22);
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:14px;
}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  font-size:var(--fs-small);
  color:rgba(215,227,222,.8);
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--lime);}
.footer-col p{
  margin:0;
  font-size:var(--fs-meta);
  line-height:1.85;
  color:rgba(215,227,222,.72);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:var(--fs-tiny);
  color:rgba(215,227,222,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--nav-h:60px;}
  .nav-links{
    position:fixed;
    top:0;right:0;
    width:min(320px,86vw);
    height:100vh;
    margin-left:0;
    padding:84px 20px 28px;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:var(--surface);
    box-shadow:-12px 0 32px rgba(18,51,44,.14);
    transform:translateX(102%);
    transition:transform .22s ease-out;
    z-index:70;
    overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links a{
    height:52px;
    padding:0;
    border-bottom:1px solid var(--line);
    font-size:16px;
  }
  .nav-links a::after{display:none;}
  .nav-links a.is-active{color:var(--accent-600);}
  .nav-toggle{display:flex;}
  .status-tag{display:none;}
  .article-row .article-col{padding-right:0;}
  .toc-col{display:none;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .end-cta h2{font-size:24px;}
}
@media (max-width:767px){
  :root{
    --fs-post-title:28px;
    --fs-h2:24px;
    --fs-h3:18px;
    --fs-body:15px;
    --fs-small:14px;
    --fs-meta:12px;
    --gutter:20px;
  }
  .brand-mark{width:28px;height:28px;}
  .brand-text strong{font-size:16px;}
  .topbar-note{display:none;}
  .topbar-timer{margin-left:0;}
  .topbar-inner{gap:12px;}
  .topbar-close{margin-left:auto;}
  .article-hero{padding:24px 0 32px;}
  .article-main{padding:40px 0 56px;}
  .article-body h2{font-size:24px;margin-top:40px;}
  .article-body h3{font-size:19px;}
  .post-meta{gap:8px 16px;}
  .meta-actions{margin-left:0;width:100%;}
  .post-nav{grid-template-columns:1fr;}
  .related{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .related-grid{grid-template-columns:1fr;}
  .end-cta{padding:40px 0;}
  .end-cta-inner{flex-direction:column;align-items:flex-start;gap:20px;}
  .site-footer{padding:48px 0 24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;margin-top:32px;}
}
@media (max-width:520px){
  .card-thumb{aspect-ratio:16/10;}
  .post-title{font-size:26px;}
}

/* roulang page: category1 */
:root{
  --brand-900:#12332C;
  --brand-700:#1B4A3E;
  --brand-100:#DDE9E3;
  --accent-600:#C8401F;
  --accent-700:#A93716;
  --accent-500:#E24B2A;
  --lime:#CDEB6A;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --ink-900:#141A18;
  --ink-600:#4E5854;
  --line:#E3DED4;
  --danger:#B3261E;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(18,51,44,.06), 0 2px 8px rgba(18,51,44,.05);
  --shadow-2:0 10px 24px rgba(18,51,44,.10);
  --font-base:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --fs-h1:46px;
  --fs-h1-sm:30px;
  --fs-h2:32px;
  --fs-h2-sm:24px;
  --fs-h3:22px;
  --fs-h3-sm:18px;
  --fs-body:16px;
  --fs-body-sm:15px;
  --fs-sm:14px;
  --fs-xs:13px;
  --fs-xxs:12px;
  --lh-h:1.24;
  --lh-body:1.75;
  --sp-1:4px;
  --sp-2:8px;
  --sp-3:12px;
  --sp-4:16px;
  --sp-5:24px;
  --sp-6:32px;
  --sp-7:48px;
  --sp-8:64px;
  --sp-9:88px;
  --container:1200px;
  --header-h:68px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:var(--fs-body);
  line-height:var(--lh-body);
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-base);
  color:var(--ink-900);
  line-height:var(--lh-h);
  font-weight:700;
  letter-spacing:-.01em;
}
p{margin:0 0 var(--sp-4);}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--accent-600);}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
a:focus-visible,
button:focus-visible,
input:focus-visible,
.chip:focus-visible,
.faq-q:focus-visible{
  outline:2px solid var(--accent-500);
  outline-offset:2px;
  border-radius:6px;
}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--sp-5);
}
.row{
  max-width:none;
  margin-left:-12px;
  margin-right:-12px;
}
.row::before,.row::after{display:none;}
.columns{
  padding-left:12px;
  padding-right:12px;
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:var(--sp-2);
  min-height:44px;
  height:44px;
  padding:0 20px;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  font-size:var(--fs-body-sm);
  font-weight:500;
  line-height:1;
  text-decoration:none;
  cursor:pointer;
  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 svg{width:16px;height:16px;flex:0 0 auto;}
.btn-primary{background:var(--accent-600);color:#fff;border-color:var(--accent-600);}
.btn-primary:hover{background:var(--accent-700);border-color:var(--accent-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{background:transparent;color:var(--brand-900);border-color:var(--brand-900);}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-900);}
.btn-light{background:#fff;color:var(--brand-900);border-color:#fff;}
.btn-light:hover{background:var(--lime);border-color:var(--lime);color:var(--brand-900);transform:translateY(-1px);}
.btn-sm{height:38px;min-height:38px;padding:0 16px;font-size:var(--fs-sm);}

/* 头部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-5);
  height:var(--header-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  flex:0 0 auto;
}
.brand:hover{color:var(--ink-900);}
.brand-mark{width:32px;height:32px;flex:0 0 auto;}
.brand-text{display:inline-flex;align-items:baseline;gap:2px;font-size:20px;line-height:1;color:var(--ink-900);}
.brand-text strong{font-weight:700;letter-spacing:-.01em;}
.brand-text em{font-style:normal;font-weight:500;color:var(--brand-700);font-size:17px;}
.nav-links{display:flex;align-items:center;gap:var(--sp-5);}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:var(--header-h);
  font-size:var(--fs-body-sm);
  font-weight:500;
  color:var(--ink-900);
  text-decoration:none;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:3px;
  background:var(--accent-500);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease-out;
}
.nav-links a:hover{color:var(--brand-900);}
.nav-links a:hover::after,
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand-900);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:var(--sp-3);}
.status-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  background:var(--brand-100);
  color:var(--brand-900);
  font-size:var(--fs-xs);
  font-weight:500;
  white-space:nowrap;
}
.status-tag i{width:6px;height:6px;border-radius:50%;background:#2E7D5B;box-shadow:0 0 0 3px rgba(46,125,91,.16);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  cursor:pointer;
  padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;transition:transform .18s ease-out,opacity .18s ease-out;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* 面包屑与 Hero */
.page-hero{
  position:relative;
  padding:var(--sp-6) 0 var(--sp-8);
  background:
    radial-gradient(1200px 320px at 15% -20%, rgba(221,233,227,.85), rgba(246,244,239,0) 70%),
    var(--bg);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(18,51,44,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(18,51,44,.035) 1px,transparent 1px);
  background-size:32px 32px;
  pointer-events:none;
  opacity:.7;
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:var(--sp-2);
  font-size:var(--fs-xs);
  color:var(--ink-600);
  margin-bottom:var(--sp-5);
}
.breadcrumb a{color:var(--ink-600);}
.breadcrumb a:hover{color:var(--accent-600);}
.breadcrumb .sep{color:#B9B2A6;}
.hero-row{align-items:center;}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 12px;
  margin-bottom:var(--sp-4);
  border-radius:var(--radius-pill);
  background:#fff;
  border:1px solid var(--line);
  color:var(--brand-700);
  font-size:var(--fs-xs);
  font-weight:500;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--accent-500);}
.page-title{
  font-size:var(--fs-h1);
  line-height:1.2;
  margin:0 0 var(--sp-4);
  max-width:14em;
}
.hero-lead{
  font-size:17px;
  line-height:1.75;
  color:var(--ink-600);
  margin:0 0 var(--sp-5);
  max-width:34em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:var(--sp-3);}
.hero-figure{
  margin:0;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--brand-100);
  box-shadow:var(--shadow-1);
}
.hero-figure img{
  width:100%;
  height:280px;
  object-fit:cover;
}

/* 筛选胶囊条 */
.filter-bar{
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:var(--sp-3) 0;
}
.chip-row{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:thin;
  padding-bottom:2px;
}
.chip-row::-webkit-scrollbar{height:4px;}
.chip-row::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px;}
.chip{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-600);
  font-size:var(--fs-sm);
  white-space:nowrap;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.chip:hover{background:var(--brand-100);border-color:var(--brand-700);color:var(--brand-900);}
.chip.is-on{background:var(--brand-900);border-color:var(--brand-900);color:#fff;}
.chip.is-on:hover{color:#fff;background:var(--brand-700);}

/* 板块 */
.section{padding:var(--sp-9) 0;}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:var(--sp-7);}
.section-head h2{
  font-size:var(--fs-h2);
  line-height:1.28;
  margin:0 0 var(--sp-3);
}
.section-head p{
  font-size:var(--fs-body-sm);
  color:var(--ink-600);
  margin:0;
  line-height:1.8;
}
.eyebrow{
  display:inline-block;
  font-size:var(--fs-xs);
  font-weight:600;
  letter-spacing:.12em;
  color:var(--accent-600);
  text-transform:uppercase;
  margin-bottom:var(--sp-3);
}

/* 左侧锚点目录 */
.anchor-nav{
  position:sticky;
  top:calc(var(--header-h) + 24px);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:var(--sp-4);
}
.anchor-nav h2{
  font-size:var(--fs-xs);
  letter-spacing:.1em;
  color:var(--ink-600);
  font-weight:600;
  margin:0 0 var(--sp-3);
  padding-left:10px;
}
.anchor-nav ul{list-style:none;margin:0;padding:0;display:grid;gap:2px;}
.anchor-nav a{
  display:block;
  padding:9px 10px;
  border-radius:8px;
  border-left:3px solid transparent;
  font-size:var(--fs-sm);
  color:var(--ink-600);
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.anchor-nav a:hover{background:var(--brand-100);color:var(--brand-900);}
.anchor-nav a.is-current{
  background:#FBF6F2;
  border-left-color:var(--accent-500);
  color:var(--accent-600);
  font-weight:500;
}
.anchor-note{
  margin-top:var(--sp-4);
  padding-top:var(--sp-3);
  border-top:1px solid var(--line);
  font-size:var(--fs-xxs);
  color:var(--ink-600);
  line-height:1.7;
}

/* 功能长列表 */
.feature-list{display:block;}
.feature-item{
  padding-bottom:var(--sp-7);
  margin-bottom:var(--sp-7);
  border-bottom:1px solid var(--line);
  scroll-margin-top:calc(var(--header-h) + 24px);
}
.feature-item:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.feature-head{display:flex;align-items:center;gap:var(--sp-3);margin-bottom:var(--sp-3);}
.feature-icon{
  width:44px;height:44px;
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:var(--brand-100);
  color:var(--brand-900);
}
.feature-icon svg{width:22px;height:22px;}
.feature-head h2{font-size:var(--fs-h3);margin:0;}
.feature-item > p{
  font-size:var(--fs-body-sm);
  line-height:1.85;
  color:var(--ink-600);
  margin:0 0 var(--sp-4);
}
.feature-points{
  list-style:none;
  display:grid;
  gap:10px;
  margin:0;
}
.feature-points li{
  position:relative;
  padding-left:22px;
  font-size:var(--fs-sm);
  line-height:1.75;
  color:var(--ink-900);
}
.feature-points li::before{
  content:"";
  position:absolute;
  left:4px;
  top:8px;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--accent-500);
  transform:rotate(45deg);
}

/* 指标带 */
.stat-band{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--sp-5);
  background:var(--brand-900);
  color:#fff;
  border-radius:var(--radius-card);
  padding:var(--sp-6);
  box-shadow:var(--shadow-2);
}
.stat-band .num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:34px;
  line-height:1.1;
  color:var(--lime);
  font-weight:700;
  margin-bottom:6px;
}
.stat-band .lbl{font-size:var(--fs-xs);color:rgba(255,255,255,.74);line-height:1.6;}

/* 接入流程 */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--sp-5);
}
.flow-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:var(--sp-6) var(--sp-5) var(--sp-5);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.flow-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-100);}
.flow-card .flow-num{
  position:absolute;
  right:12px;
  top:-6px;
  font-family:var(--font-num);
  font-size:72px;
  font-weight:700;
  line-height:1;
  color:rgba(18,51,44,.08);
  pointer-events:none;
}
.flow-card h3{font-size:var(--fs-h3-sm);margin:0 0 var(--sp-3);position:relative;}
.flow-card p{font-size:var(--fs-sm);color:var(--ink-600);line-height:1.8;margin:0;position:relative;}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  margin-bottom:var(--sp-3);
  overflow:hidden;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item:hover{border-color:#CFC8BA;}
.faq-item.is-open{border-color:var(--brand-700);box-shadow:var(--shadow-1);}
.faq-item.is-open::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--accent-500);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-4);
  padding:18px 20px;
  min-height:44px;
  background:none;
  border:0;
  text-align:left;
  font-size:var(--fs-body);
  font-weight:500;
  color:var(--ink-900);
  cursor:pointer;
}
.faq-q .ico{
  flex:0 0 auto;
  width:22px;height:22px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:var(--brand-100);
  color:var(--brand-900);
  transition:transform .2s ease-out,background-color .2s ease-out,color .2s ease-out;
}
.faq-q .ico svg{width:12px;height:12px;}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);background:var(--accent-600);color:#fff;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .22s ease-out;
}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a p{
  margin:0;
  padding:0 20px 20px;
  font-size:var(--fs-body-sm);
  line-height:1.75;
  color:var(--ink-600);
}

/* 结尾 CTA */
.cta-band{
  background:var(--brand-900);
  color:#fff;
  padding:var(--sp-8) 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-6);
  flex-wrap:wrap;
}
.cta-inner h2{
  color:#fff;
  font-size:var(--fs-h2);
  line-height:1.28;
  margin:0 0 var(--sp-3);
}
.cta-inner p{
  color:rgba(255,255,255,.76);
  font-size:var(--fs-body-sm);
  margin:0;
  line-height:1.8;
}
.cta-actions{display:flex;gap:var(--sp-3);flex-wrap:wrap;}

/* 页脚 */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.78);
  padding:var(--sp-8) 0 var(--sp-5);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:var(--sp-6);
}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text em{color:var(--lime);}
.footer-brand p{
  font-size:var(--fs-sm);
  line-height:1.85;
  color:rgba(255,255,255,.72);
  margin:var(--sp-4) 0;
  max-width:34em;
}
.footer-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 12px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.08);
  font-size:var(--fs-xs);
  color:#fff;
}
.footer-status i{width:6px;height:6px;border-radius:50%;background:var(--lime);}
.footer-col h4{
  font-size:var(--fs-body-sm);
  color:#fff;
  font-weight:600;
  margin:0 0 var(--sp-4);
}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer-col a{color:rgba(255,255,255,.78);font-size:var(--fs-sm);}
.footer-col a:hover{color:var(--lime);}
.footer-col p{font-size:var(--fs-sm);line-height:1.85;color:rgba(255,255,255,.72);margin:0;}
.footer-bottom{
  margin-top:var(--sp-6);
  padding-top:var(--sp-4);
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-3);
  flex-wrap:wrap;
  font-size:var(--fs-xxs);
  color:rgba(255,255,255,.6);
}

/* 响应式 */
@media (max-width:1279px){
  .container{max-width:100%;}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .status-tag{display:none;}
  .nav-links{
    display:none;
    position:fixed;
    top:calc(var(--header-h) + 1px);
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:var(--sp-2) var(--sp-5) var(--sp-5);
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-2);
    max-height:calc(100vh - var(--header-h) - 1px);
    overflow-y:auto;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{
    height:52px;
    border-bottom:1px solid var(--line);
    font-size:var(--fs-body);
  }
  .nav-links a::after{display:none;}
  .nav-links a.is-active{color:var(--accent-600);font-weight:600;}
  .anchor-nav{display:none;}
  .section{padding:var(--sp-7) 0;}
  .stat-band{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-6);}
  .flow-grid{grid-template-columns:1fr;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .row{margin-left:-10px;margin-right:-10px;}
  .columns{padding-left:10px;padding-right:10px;}
  .page-hero{padding:var(--sp-5) 0 var(--sp-7);}
  .page-title{font-size:var(--fs-h1-sm);}
  .hero-lead{font-size:var(--fs-body-sm);}
  .hero-figure img{height:210px;}
  .section-head h2{font-size:var(--fs-h2-sm);}
  .cta-inner h2{font-size:var(--fs-h2-sm);}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
  .hero-actions .btn{width:100%;}
  .hero-actions{gap:var(--sp-2);}
  .flow-card{padding:var(--sp-5) var(--sp-4) var(--sp-4);}
  .flow-card .flow-num{font-size:56px;}
}
@media (max-width:519px){
  .stat-band{grid-template-columns:1fr;padding:var(--sp-5);}
  .stat-band .num{font-size:28px;}
  .brand-text{font-size:18px;}
  .brand-text em{font-size:15px;}
  .faq-q{font-size:var(--fs-body-sm);padding:16px;}
  .faq-a p{padding:0 16px 16px;}
}

/* roulang page: category2 */
:root{
  --brand-900:#12332C;
  --brand-700:#1B4A3E;
  --brand-100:#DDE9E3;
  --accent-600:#C8401F;
  --accent-700:#A93716;
  --accent-500:#E24B2A;
  --lime:#CDEB6A;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --ink-900:#141A18;
  --ink-600:#4E5854;
  --line:#E3DED4;
  --danger:#B3261E;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --fs-h1:46px;
  --fs-h1-sm:30px;
  --fs-h2:32px;
  --fs-h2-sm:24px;
  --fs-h3:22px;
  --fs-h3-sm:18px;
  --fs-body:16px;
  --fs-body-sm:15px;
  --fs-meta:13px;
  --fs-micro:12px;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(18,51,44,.06),0 2px 8px rgba(18,51,44,.05);
  --shadow-2:0 10px 24px rgba(18,51,44,.10);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:88px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:var(--font-sans);
  font-size:var(--fs-body);
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--accent-600)}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:4px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.row{max-width:none;margin-left:-12px;margin-right:-12px}
.row::before,.row::after{display:table;content:" ";clear:both}
.columns{padding-left:12px;padding-right:12px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(18,51,44,.04);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:32px;height:32px;flex-shrink:0}
.brand-text{display:inline-flex;align-items:baseline;gap:6px;white-space:nowrap}
.brand-text strong{
  font-size:19px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--brand-900);
  line-height:1;
}
.brand-text em{
  font-style:normal;
  font-size:var(--fs-micro);
  font-weight:600;
  color:var(--brand-900);
  background:var(--brand-100);
  border-radius:var(--radius-pill);
  padding:3px 9px;
  line-height:1.35;
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:68px;
  padding:0 14px;
  font-size:var(--fs-body-sm);
  font-weight:500;
  color:var(--ink-600);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:0;
  height:3px;
  background:var(--accent-500);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .18s ease-out;
}
.nav-links a:hover{color:var(--brand-900)}
.nav-links a:hover::after,
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand-900);font-weight:600}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.status-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:var(--fs-meta);
  color:var(--brand-700);
  background:var(--brand-100);
  border-radius:var(--radius-pill);
  padding:5px 12px;
  white-space:nowrap;
}
.status-tag i{width:6px;height:6px;border-radius:50%;background:#3F8F5B;flex-shrink:0}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;height:44px;
  padding:0;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  align-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;transition:transform .18s ease-out,opacity .18s ease-out}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--radius-btn);
  font-size:var(--fs-body-sm);
  font-weight:600;
  line-height:1;
  border:1px 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 svg{width:16px;height:16px;flex-shrink:0}
.btn-primary{background:var(--accent-600);border-color:var(--accent-600);color:#fff}
.btn-primary:hover{background:var(--accent-700);border-color:var(--accent-700);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{background:transparent;border:1.5px solid var(--brand-900);color:var(--brand-900)}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-900);transform:translateY(-1px)}
.btn-light{background:#fff;border-color:#fff;color:var(--brand-900)}
.btn-light:hover{background:var(--lime);border-color:var(--lime);color:var(--brand-900);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:var(--fs-meta);border-radius:9px}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-9) 0}
.section-tight{padding:var(--sp-8) 0}
.section-head{max-width:740px;margin-bottom:var(--sp-6)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:var(--fs-meta);
  font-weight:600;
  letter-spacing:.08em;
  color:var(--accent-600);
  text-transform:uppercase;
  margin-bottom:var(--sp-3);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent-500);display:block}
.section-head h2{
  font-size:var(--fs-h2);
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink-900);
}
.section-head p{margin-top:var(--sp-3);color:var(--ink-600);font-size:var(--fs-body)}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:var(--fs-body-sm);
  font-weight:600;
  color:var(--accent-600);
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-thickness:1px;
  min-height:44px;
}
.text-link svg{width:14px;height:14px;transition:transform .18s ease-out}
.text-link:hover{color:var(--accent-700)}
.text-link:hover svg{transform:translateX(3px)}

/* ---------- 首屏 ---------- */
.page-hero{
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:32px 0 48px;
}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:var(--fs-meta);
  color:var(--ink-600);
  margin-bottom:var(--sp-5);
}
.crumb a{color:var(--ink-600)}
.crumb a:hover{color:var(--accent-600)}
.crumb .sep{color:#B6AFA2}
.crumb .now{color:var(--brand-900);font-weight:600}
.hero-row{align-items:center}
.hero-copy h1{
  font-size:var(--fs-h1);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--brand-900);
}
.hero-copy .hero-sub{
  margin-top:var(--sp-4);
  font-size:17px;
  line-height:1.8;
  color:var(--ink-600);
  max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:var(--sp-6)}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:var(--sp-6);
  margin-top:var(--sp-6);
  padding-top:var(--sp-5);
  border-top:1px solid var(--line);
}
.hero-point strong{
  display:block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:26px;
  font-weight:700;
  color:var(--brand-900);
  line-height:1.3;
}
.hero-point span{font-size:var(--fs-meta);color:var(--ink-600)}
.hero-media{position:relative}
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:var(--brand-100);
}
.hero-badge{
  position:absolute;
  right:16px;
  bottom:16px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--brand-900);
  color:#fff;
  border-radius:var(--radius-pill);
  padding:8px 16px;
  font-size:var(--fs-meta);
  font-weight:500;
  box-shadow:var(--shadow-2);
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--lime);flex-shrink:0}

/* ---------- 场景筛选 ---------- */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:var(--sp-6);
}
.chip{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 18px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:#fff;
  font-size:var(--fs-meta);
  font-weight:500;
  color:var(--ink-600);
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.chip:hover{border-color:var(--brand-900);color:var(--brand-900)}
.chip.is-on{background:var(--brand-900);border-color:var(--brand-900);color:#fff}

/* ---------- 场景卡片 ---------- */
.scene-grid > .columns{margin-bottom:var(--sp-5)}
.scene-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.scene-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:#CFC8BA;
}
.scene-thumb{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--brand-100);
}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.scene-card:hover .scene-thumb img{transform:scale(1.03)}
.scene-body{
  display:flex;
  flex-direction:column;
  gap:var(--sp-3);
  padding:22px 24px 20px;
  flex:1;
}
.tag{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  height:26px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:var(--fs-micro);
  font-weight:600;
  letter-spacing:.02em;
}
.tag-warm{background:#FBEAE4;color:var(--accent-700)}
.scene-title{
  font-size:var(--fs-h3);
  font-weight:700;
  line-height:1.4;
  color:var(--ink-900);
  transition:color .18s ease-out;
}
.scene-card:hover .scene-title{color:var(--accent-600)}
.scene-desc{font-size:var(--fs-body-sm);line-height:1.78;color:var(--ink-600)}
.scene-body .text-link{margin-top:auto}

/* ---------- 策略说明（左文右列） ---------- */
.split{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:var(--sp-7);
  align-items:start;
}
.split-left h2{
  font-size:var(--fs-h2);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
}
.split-left p{margin-top:var(--sp-4);color:var(--ink-600);font-size:var(--fs-body)}
.rule-list{display:grid;gap:var(--sp-4)}
.rule-item{
  display:grid;
  grid-template-columns:44px 1fr;
  gap:var(--sp-4);
  padding:20px 22px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.rule-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.rule-icon{
  width:44px;height:44px;
  border-radius:12px;
  background:var(--brand-100);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--brand-700);
}
.rule-icon svg{width:22px;height:22px}
.rule-item h3{font-size:17px;font-weight:600;line-height:1.5}
.rule-item p{margin-top:6px;font-size:var(--fs-body-sm);long-line:1.78;color:var(--ink-600)}

/* ---------- 接入流程 ---------- */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--sp-5);
}
.flow-item{
  border-top:2px solid var(--brand-900);
  padding-top:20px;
}
.flow-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:var(--fs-meta);
  font-weight:700;
  letter-spacing:.1em;
  color:var(--accent-600);
}
.flow-item h3{font-size:17px;font-weight:600;margin-top:10px;line-height:1.5}
.flow-item p{margin-top:8px;font-size:var(--fs-body-sm);color:var(--ink-600)}

/* ---------- 深色数据带 ---------- */
.dark-band{
  background:var(--brand-900);
  color:#fff;
  border-radius:var(--radius-card);
  padding:var(--sp-7);
}
.dark-band h2{
  font-size:var(--fs-h2);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
  color:#fff;
  max-width:620px;
}
.dark-band .lead{margin-top:var(--sp-3);color:#B9CBC4;font-size:var(--fs-body-sm);max-width:640px}
.stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--sp-6);
  margin-top:var(--sp-6);
  padding-top:var(--sp-6);
  border-top:1px solid rgba(255,255,255,.14);
}
.stat-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:34px;
  font-weight:700;
  color:var(--lime);
  line-height:1.2;
}
.stat-label{margin-top:6px;font-size:var(--fs-meta);color:#B9CBC4}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.faq-item:hover{border-color:#CFC8BA}
.faq-item.is-open{border-color:#CFC8BA;box-shadow:var(--shadow-1)}
.faq-item.is-open::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--accent-500);
}
.faq-q{
  display:flex;
  width:100%;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  text-align:left;
  font-size:16px;
  font-weight:500;
  color:var(--ink-900);
  min-height:44px;
}
.faq-q:hover{color:var(--accent-600)}
.faq-icon{
  flex-shrink:0;
  width:22px;height:22px;
  position:relative;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  background:var(--accent-600);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .2s ease-out,opacity .2s ease-out;
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{
  display:none;
  padding:0 22px 20px;
  font-size:var(--fs-body-sm);
  line-height:1.78;
  color:var(--ink-600);
}
.faq-item.is-open .faq-a{display:block}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--brand-900);
  border-radius:var(--radius-card);
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-6);
  flex-wrap:wrap;
}
.cta-band h2{
  font-size:28px;
  line-height:1.35;
  font-weight:700;
  color:#fff;
  letter-spacing:-.01em;
}
.cta-band p{margin-top:10px;color:#B9CBC4;font-size:var(--fs-body-sm)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-900);
  color:#DCE7E2;
  margin-top:var(--sp-9);
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:40px;
}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text em{background:rgba(255,255,255,.14);color:#fff}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:#B9CBC4;
}
.footer-status{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-top:16px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  background:rgba(205,235,106,.12);
  color:var(--lime);
  font-size:var(--fs-meta);
}
.footer-status i{width:6px;height:6px;border-radius:50%;background:var(--lime);flex-shrink:0}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#B9CBC4}
.footer-col a:hover{color:var(--lime)}
.footer-col p{font-size:14px;line-height:1.8;color:#B9CBC4}
.footer-col p a{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  font-size:var(--fs-micro);
  color:#93A8A0;
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1279px){
  .container{max-width:1140px}
}
@media screen and (max-width:1023px){
  .nav-inner{height:60px}
  .nav-toggle{display:flex}
  .status-tag{display:none}
  .nav-links{
    position:fixed;
    top:60px;left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin:0;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-2);
    padding:8px 16px 20px;
    max-height:calc(100vh - 60px);
    overflow-y:auto;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{
    height:52px;
    padding:0 8px;
    font-size:16px;
    border-bottom:1px solid var(--line);
  }
  .nav-links a:last-child{border-bottom:0}
  .nav-links a::after{
    left:8px;right:auto;bottom:50%;
    width:3px;height:18px;
    transform:translateY(50%) scaleY(0);
    transform-origin:center;
  }
  .nav-links a:hover::after,
  .nav-links a.is-active::after{transform:translateY(50%) scaleY(1)}
  .nav-actions .btn{display:none}
  .hero-copy h1{font-size:38px}
  .split{grid-template-columns:1fr;gap:var(--sp-6)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
}
@media screen and (max-width:767px){
  .container{padding:0 20px}
  .row{margin-left:-10px;margin-right:-10px}
  .columns{padding-left:10px;padding-right:10px}
  .page-hero{padding:24px 0 36px}
  .hero-copy h1{font-size:var(--fs-h1-sm)}
  .hero-copy .hero-sub{font-size:15px;margin-top:12px}
  .hero-actions{margin-top:24px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-points{gap:20px;margin-top:24px;padding-top:20px}
  .hero-point{flex:1 1 40%}
  .hero-point strong{font-size:22px}
  .hero-media{margin-top:28px}
  .section-head h2,
  .split-left h2,
  .dark-band h2{font-size:var(--fs-h2-sm)}
  .section{padding:48px 0}
  .flow-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr;gap:24px}
  .dark-band{padding:32px 24px}
  .cta-band{padding:32px 24px;flex-direction:column;align-items:flex-start}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:44px 0 24px;margin-top:56px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a{padding:0 18px 18px}
  .scene-body{padding:18px 18px 16px}
}
@media screen and (max-width:374px){
  .brand-text strong{font-size:17px}
  .hero-point{flex:1 1 100%}
}

/* roulang page: category3 */
:root{
  --brand-900:#12332C;
  --brand-700:#1B4A3E;
  --brand-100:#DDE9E3;
  --accent-600:#C8401F;
  --accent-500:#E24B2A;
  --accent-700:#A93716;
  --lime:#CDEB6A;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --ink-900:#141A18;
  --ink-600:#4E5854;
  --line:#E3DED4;
  --danger:#B3261E;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(18,51,44,.06),0 2px 8px rgba(18,51,44,.05);
  --shadow-2:0 10px 24px rgba(18,51,44,.10);
  --fs-h1:46px;
  --fs-h2:32px;
  --fs-h3:22px;
  --fs-lead:17px;
  --fs-body:16px;
  --fs-sm:14px;
  --fs-xs:13px;
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink-900);font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:var(--fs-body);line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:var(--accent-600);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--accent-500)}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;color:var(--ink-900)}
p{margin:0}
svg{display:block}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.row{max-width:none;margin-left:-12px;margin-right:-12px}
.row > .column,.row > .columns{padding-left:12px;padding-right:12px}

/* ---------- 顶部活动条 ---------- */
.topbar{background:var(--brand-900);color:#E7EFEB}
.topbar-inner{display:flex;align-items:center;gap:16px;min-height:44px}
.topbar p{margin:0;font-size:var(--fs-xs);letter-spacing:.01em;color:#C7D8D1}
.topbar p strong{color:#fff;font-weight:600}
.countdown{display:inline-flex;align-items:center;gap:8px;margin-left:auto;height:28px;padding:0 12px;border-radius:var(--radius-pill);background:rgba(255,255,255,.10);color:var(--lime);font-size:var(--fs-xs);font-variant-numeric:tabular-nums;letter-spacing:.08em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.countdown b{font-weight:600;color:var(--lime)}
.countdown span{color:#9FBDB3;letter-spacing:0;font-family:inherit}
.topbar-close{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;margin-left:4px;border:0;border-radius:8px;background:transparent;color:#9FBDB3;cursor:pointer;transition:background-color .18s var(--ease),color .18s var(--ease)}
.topbar-close:hover{background:rgba(255,255,255,.10);color:#fff}
.topbar-close svg{width:14px;height:14px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(18,51,44,.03)}
.site-header .nav-inner{display:flex;align-items:center;gap:28px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink-900)}
.brand-mark{width:32px;height:32px;flex:none}
.brand-text{display:inline-flex;align-items:baseline;gap:3px;font-size:19px;letter-spacing:.01em;color:var(--ink-900)}
.brand-text strong{font-weight:800}
.brand-text em{font-style:normal;font-size:13px;font-weight:600;letter-spacing:.16em;color:var(--brand-700)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{position:relative;display:inline-flex;align-items:center;height:68px;font-size:15px;font-weight:500;color:var(--ink-600);text-decoration:none;transition:color .18s var(--ease)}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--accent-500);border-radius:3px 3px 0 0;transform:scaleX(0);transform-origin:left center;transition:transform .2s var(--ease)}
.nav-links a:hover{color:var(--brand-900)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand-900);font-weight:600}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.status-tag{display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 11px;border-radius:var(--radius-pill);background:var(--brand-100);color:var(--brand-700);font-size:var(--fs-xs);font-weight:500;white-space:nowrap}
.status-tag i{width:6px;height:6px;border-radius:50%;background:#2E9E5B;box-shadow:0 0 0 3px rgba(46,158,91,.16)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0 11px;border:1px solid var(--line);border-radius:10px;background:var(--surface);cursor:pointer}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--brand-900);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--radius-btn);border:1.5px solid transparent;background:transparent;font-size:15px;font-weight:600;line-height:1;text-decoration:none;cursor:pointer;white-space:nowrap;transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease)}
.btn svg{width:16px;height:16px;flex:none}
.btn-primary{background:var(--accent-600);color:#fff}
.btn-primary:hover{background:var(--accent-700);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--brand-900);color:var(--brand-900)}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-900)}
.btn-sm{height:38px;padding:0 16px;font-size:var(--fs-sm)}
.btn-on-dark{border-color:rgba(255,255,255,.45);color:#F2F7F4}
.btn-on-dark:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.7)}

/* ---------- 面包屑与 Hero ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:20px 0 0;font-size:var(--fs-xs);color:var(--ink-600)}
.crumbs a{color:var(--ink-600)}
.crumbs a:hover{color:var(--accent-600)}
.crumbs .sep{color:#BEB7A9}
.crumbs .current{color:var(--brand-700);font-weight:600}
.page-hero{padding:18px 0 0}
.hero-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden}
.hero-row{margin:0}
.hero-row > .columns{padding:0}
.hero-copy{padding:clamp(26px,3.6vw,44px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:var(--radius-pill);background:var(--brand-100);color:var(--brand-700);font-size:var(--fs-xs);font-weight:600}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent-500)}
h1{font-size:var(--fs-h1);line-height:1.2;letter-spacing:-.01em;margin:18px 0 14px;color:var(--ink-900)}
.hero-copy .lead{font-size:var(--fs-lead);line-height:1.8;color:var(--ink-600);max-width:56ch}
.hero-media{position:relative;min-height:300px;background:var(--brand-100);overflow:hidden}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-badge{position:absolute;left:20px;bottom:20px;display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--radius-pill);background:rgba(18,51,44,.86);color:#EAF3EE;font-size:var(--fs-xs);backdrop-filter:blur(4px)}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--lime)}

/* ---------- 搜索 ---------- */
.faq-search{display:flex;gap:12px;margin-top:26px;max-width:620px;width:100%}
.faq-search input[type="search"],.faq-search input[type="text"]{flex:1 1 auto;min-width:0;height:48px;margin:0;padding:0 16px;border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--surface);color:var(--ink-900);font-size:15px;box-shadow:none;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.faq-search input::placeholder{color:#9AA39F}
.faq-search input:focus{border-color:var(--accent-500);box-shadow:0 0 0 3px rgba(226,75,42,.16);outline:none}
.faq-search .btn{height:48px;flex:none}
.hot-tags{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:18px;font-size:var(--fs-xs);color:var(--ink-600)}
.chip{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--radius-pill);background:var(--brand-100);color:var(--brand-700);font-size:var(--fs-xs);font-weight:500;transition:background-color .18s var(--ease),color .18s var(--ease)}
.chip:hover{background:var(--brand-900);color:#fff}

/* ---------- 板块 ---------- */
.section{padding:64px 0}
.section-tight{padding:36px 0 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:var(--fs-h2);letter-spacing:-.01em}
.section-head p{margin-top:12px;font-size:var(--fs-body);line-height:1.8;color:var(--ink-600)}
.section-head .rule{display:block;width:44px;height:3px;border-radius:3px;background:var(--accent-500);margin-top:16px}

/* ---------- 数据条 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1)}
.stat-item{background:var(--surface);padding:22px 24px}
.stat-num{display:block;font-size:26px;font-weight:700;color:var(--brand-900);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat-label{display:block;margin-top:6px;font-size:var(--fs-xs);color:var(--ink-600)}

/* ---------- 分类卡 ---------- */
.cat-grid > .columns{display:flex}
.cat-card{display:block;width:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);color:inherit;text-decoration:none;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(200,64,31,.28);color:inherit}
.cat-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--brand-100);color:var(--brand-900);margin-bottom:16px;transition:background-color .2s var(--ease),color .2s var(--ease)}
.cat-icon svg{width:22px;height:22px}
.cat-card:hover .cat-icon{background:var(--accent-600);color:#fff}
.cat-card h3{font-size:17px;margin-bottom:8px}
.cat-card p{font-size:var(--fs-sm);line-height:1.7;color:var(--ink-600)}
.cat-meta{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:var(--fs-xs);font-weight:600;color:var(--accent-600)}
.cat-card:hover .cat-meta{color:var(--accent-500)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;margin:0 auto}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item:hover{border-color:#D2CABD}
.faq-item.is-open{border-color:rgba(200,64,31,.32);box-shadow:0 1px 2px rgba(18,51,44,.06),0 6px 18px rgba(18,51,44,.07)}
.faq-q{position:relative;display:flex;align-items:center;gap:14px;width:100%;min-height:60px;padding:16px 20px 16px 22px;border:0;background:transparent;text-align:left;cursor:pointer;font-size:16px;font-weight:500;color:var(--ink-900);transition:color .18s var(--ease)}
.faq-q::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;background:var(--accent-500);opacity:0;transition:opacity .18s var(--ease)}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-q:hover{color:var(--accent-600)}
.faq-idx{flex:none;font-size:var(--fs-xs);font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums;letter-spacing:.06em;background:var(--brand-100);border-radius:6px;padding:3px 7px;line-height:1.4}
.faq-text{flex:1 1 auto;min-width:0;line-height:1.6}
.faq-icon{position:relative;flex:none;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink-600);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease),background-color .2s var(--ease)}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-item.is-open .faq-icon::before{background:var(--accent-600)}
.faq-a{padding:0 22px 20px 22px;font-size:15px;line-height:1.8;color:var(--ink-600)}
.faq-a p{margin:0}
.faq-a p + p{margin-top:10px}
.faq-hint{margin-top:22px;padding:16px 18px;border-radius:12px;background:var(--brand-100);color:var(--brand-700);font-size:var(--fs-sm);line-height:1.75}

/* ---------- CTA ---------- */
.cta-band{position:relative;margin-top:72px;padding:56px 0;background:var(--brand-900);color:#E9F1ED;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;opacity:.16}
.cta-band .container{position:relative;z-index:1}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-copy h2{font-size:var(--fs-h2);color:#fff;letter-spacing:-.01em}
.cta-copy p{margin-top:12px;max-width:56ch;font-size:var(--fs-sm);line-height:1.8;color:#B9CFC6}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#D6E2DD;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:var(--lime)}
.footer-brand p{margin-top:16px;font-size:var(--fs-sm);line-height:1.8;color:#AFC3BC;max-width:38ch}
.footer-status{display:inline-flex;align-items:center;gap:8px;margin-top:18px;padding:6px 12px;border-radius:var(--radius-pill);background:rgba(205,235,106,.10);color:var(--lime);font-size:var(--fs-xs)}
.footer-status i{width:6px;height:6px;border-radius:50%;background:var(--lime)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col ul li + li{margin-top:10px}
.footer-col a{color:#AFC3BC;font-size:var(--fs-sm)}
.footer-col a:hover{color:var(--lime)}
.footer-col p{font-size:var(--fs-sm);line-height:1.8;color:#AFC3BC}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#8FA8A0}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--fs-h1:40px;--fs-h2:30px}
}
@media (max-width:1023px){
  .nav-links{position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 16px;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow-2)}
  .nav-links.is-open{display:flex}
  .nav-links a{height:48px;border-bottom:1px solid var(--line);font-size:16px}
  .nav-links a::after{display:none}
  .nav-links a.is-active{color:var(--accent-600)}
  .nav-toggle{display:flex}
  .status-tag{display:none}
  .site-header .nav-inner{min-height:60px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .hero-media{min-height:240px}
}
@media (max-width:767px){
  :root{--fs-h1:30px;--fs-h2:24px;--fs-h3:19px;--fs-lead:16px;--fs-body:15px}
  .container{padding:0 20px}
  .row{margin-left:-10px;margin-right:-10px}
  .row > .column,.row > .columns{padding-left:10px;padding-right:10px}
  .section{padding:48px 0}
  .section-tight{padding:28px 0 0}
  .topbar-inner{gap:10px}
  .topbar p{display:none}
  .countdown{margin-left:0}
  .topbar-close{margin-left:auto}
  .hero-copy{padding:24px 20px}
  .hero-media{min-height:200px}
  .hero-media img{height:200px}
  .faq-search{flex-wrap:wrap;max-width:100%}
  .faq-search input[type="search"],.faq-search input[type="text"]{flex:1 1 100%;height:46px}
  .faq-search .btn{width:100%;height:46px}
  .faq-q{padding:14px 16px 14px 18px;gap:12px;font-size:15px}
  .faq-a{padding:0 18px 18px 18px}
  .cta-band{margin-top:48px;padding:40px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .stat-item{padding:18px}
  .stat-num{font-size:22px}
}
@media (max-width:519px){
  .brand-text{font-size:17px}
  .brand-text em{font-size:12px}
  .hero-badge{left:12px;bottom:12px;height:28px;padding:0 10px}
  .stat-strip{grid-template-columns:1fr}
}

/* roulang page: category4 */
:root{
  --brand-900:#12332C;
  --brand-700:#1B4A3E;
  --brand-100:#DDE9E3;
  --accent-600:#C8401F;
  --accent-500:#E24B2A;
  --accent-700:#A93716;
  --lime:#CDEB6A;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --ink-900:#141A18;
  --ink-600:#4E5854;
  --line:#E3DED4;
  --danger:#B3261E;

  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(18,51,44,.06),0 2px 8px rgba(18,51,44,.05);
  --shadow-2:0 10px 24px rgba(18,51,44,.10);

  --fs-h1:46px;
  --fs-h2:32px;
  --fs-h3:22px;
  --fs-body:16px;
  --fs-sm:14px;
  --fs-xs:13px;
  --lh-h1:1.2;
  --lh-h2:1.28;
  --lh-body:1.75;

  --sp-4:4px;--sp-8:8px;--sp-12:12px;--sp-16:16px;--sp-24:24px;
  --sp-32:32px;--sp-48:48px;--sp-64:64px;--sp-88:88px;--sp-120:120px;

  --container:1200px;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ---------- reset / base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:var(--fs-body);
  line-height:var(--lh-body);
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-family:var(--font-sans);color:var(--ink-900);font-weight:700}
h1{font-size:var(--fs-h1);line-height:var(--lh-h1);letter-spacing:-.01em}
h2{font-size:var(--fs-h2);line-height:var(--lh-h2)}
h3{font-size:var(--fs-h3);line-height:1.4}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
img{display:block;max-width:100%;height:auto;border:0}
a{color:var(--brand-700);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--accent-600)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;line-height:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;margin:0}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}

/* ---------- 覆盖 Foundation 默认外观 ---------- */
.row{max-width:none;margin-left:-12px;margin-right:-12px}
.row .column,.row .columns{padding-left:12px;padding-right:12px;float:none}
.row::before,.row::after{display:table;content:" ";clear:both}
.row.align-middle{display:flex;flex-wrap:wrap;align-items:center}
.row.align-stretch{display:flex;flex-wrap:wrap;align-items:stretch}
.row.align-stretch > .column{display:flex}
body,h1,h2,h3,h4,h5,h6,p,li,td,th,label{font-family:var(--font-sans)}
a:not(.btn):not(.chip):not(.pager-item):not(.link-more):not(.brand){color:var(--brand-700)}
input[type="text"],input[type="email"],input[type="search"],input[type="password"],textarea,select{
  margin:0;height:44px;padding:0 14px;font-size:15px;font-family:var(--font-sans);
  color:var(--ink-900);background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);
  box-shadow:none;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
input[type="text"]:focus,input[type="email"]:focus,input[type="search"]:focus,textarea:focus,select:focus{
  border-color:var(--accent-500);box-shadow:0 0 0 3px rgba(226,75,42,.14);outline:none;
}
button.button,.button{background:transparent;border:0;padding:0;margin:0}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:var(--sp-24);height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;color:var(--brand-900)}
.brand-mark{width:30px;height:30px;flex:none}
.brand-text{display:inline-flex;align-items:baseline;gap:2px;font-size:19px;line-height:1;letter-spacing:-.01em}
.brand-text strong{font-weight:800;color:var(--brand-900)}
.brand-text em{font-style:normal;font-weight:600;color:var(--accent-600)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:68px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--ink-600);transition:color .18s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;
  background:var(--accent-500);transform:scaleX(0);transform-origin:center;
  transition:transform .18s var(--ease);
}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--brand-900)}
.nav-links a:hover::after,.nav-links a:focus-visible::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand-900);font-weight:600}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:8px}
.status-tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:var(--radius-pill);background:var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:500;white-space:nowrap;
}
.status-tag i{width:6px;height:6px;border-radius:50%;background:#2F9E68;flex:none}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:10px}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--brand-900);transition:transform .18s var(--ease),opacity .18s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn svg{width:16px;height:16px;flex:none}
.btn-primary{background:var(--accent-600);color:#fff}
.btn-primary:hover,.btn-primary:focus-visible{background:var(--accent-700);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--brand-900);color:var(--brand-900)}
.btn-ghost:hover,.btn-ghost:focus-visible{background:var(--brand-100);color:var(--brand-900)}
.btn-invert{background:#fff;color:var(--accent-600)}
.btn-invert:hover,.btn-invert:focus-visible{background:var(--brand-100);color:var(--brand-900);transform:translateY(-1px)}
.btn-sm{height:38px;font-size:14px;padding:0 16px}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;padding:36px 0 56px;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(18,51,44,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(18,51,44,.035) 1px,transparent 1px);
  background-size:32px 32px;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 82%);
  mask-image:linear-gradient(180deg,#000 0%,transparent 82%);
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-600);margin-bottom:18px}
.breadcrumb a{color:var(--ink-600)}
.breadcrumb a:hover{color:var(--accent-600);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:#B9B2A6}
.breadcrumb .current{color:var(--ink-900);font-weight:600}
.page-hero h1{margin-bottom:16px;max-width:20ch}
.hero-lead{font-size:17px;line-height:1.8;color:var(--ink-600);max-width:54ch;margin-bottom:24px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px}
.meta-pill{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;
  border-radius:var(--radius-pill);background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--ink-600);
}
.meta-pill strong{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--brand-900);font-weight:700}
.meta-pill i{width:6px;height:6px;border-radius:50%;background:var(--accent-500);flex:none}
.hero-figure{margin:0}
.hero-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-card);border:1px solid var(--line);box-shadow:var(--shadow-2);
}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sp-88) 0}
.section--soft{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--tight{padding:var(--sp-64) 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:var(--sp-32);margin-bottom:var(--sp-32)}
.section-head h2{margin-top:8px}
.section-note{max-width:420px;font-size:14px;line-height:1.75;color:var(--ink-600);margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--accent-600);
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent-500);border-radius:2px}

/* ---------- 筛选胶囊 ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:var(--sp-24)}
.chip{
  display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 16px;
  border-radius:var(--radius-pill);border:1px solid var(--line);background:var(--surface);
  font-size:14px;font-weight:500;color:var(--ink-600);
  transition:border-color .18s var(--ease),color .18s var(--ease),background-color .18s var(--ease);
}
.chip:hover{border-color:var(--brand-900);color:var(--brand-900)}
.chip.is-active{background:var(--brand-900);border-color:var(--brand-900);color:#fff}

/* ---------- 公告行式列表 ---------- */
.notice-list{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.notice-row{
  display:grid;grid-template-columns:96px minmax(0,1fr) auto;gap:var(--sp-24);
  align-items:start;padding:26px var(--sp-24);
  border-bottom:1px solid var(--line);
  transition:background-color .18s var(--ease);
}
.notice-row:last-child{border-bottom:0}
.notice-row:hover{background:#FBFAF6}
.notice-date{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  border-right:1px solid var(--line);padding-right:12px;text-align:left;
}
.notice-date .d-day{display:block;font-size:21px;font-weight:700;color:var(--brand-900);letter-spacing:-.02em}
.notice-date .d-year{display:block;font-size:12px;color:var(--ink-600);margin-top:2px}
.notice-body{min-width:0}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;
  border-radius:var(--radius-pill);font-size:13px;font-weight:600;line-height:1;
}
.tag-service{background:var(--brand-100);color:var(--brand-700)}
.tag-product{background:#FBE7DF;color:var(--accent-700)}
.tag-security{background:#EEF7D6;color:#3D5A16}
.tag-maintain{background:#EFEEE9;color:#4E5854}
.notice-body h3{font-size:19px;line-height:1.5;margin:10px 0 8px}
.notice-body h3 a{color:var(--ink-900)}
.notice-body h3 a:hover{color:var(--accent-600)}
.notice-body p{font-size:14px;line-height:1.8;color:var(--ink-600);margin:0;max-width:64ch}
.notice-action{padding-top:6px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;height:44px;
  font-size:14px;font-weight:600;color:var(--accent-600);white-space:nowrap;
  transition:color .18s var(--ease),gap .18s var(--ease);
}
.link-more span{font-size:15px;line-height:1}
.link-more:hover{color:var(--accent-700);gap:10px}

/* ---------- 静态分页 ---------- */
.pager{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:var(--sp-32)}
.pager-item{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;font-size:14px;font-weight:500;color:var(--ink-600);
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.pager-item:hover{border-color:var(--brand-900);color:var(--brand-900)}
.pager-item.is-current{background:var(--brand-900);border-color:var(--brand-900);color:#fff}
.pager-item.is-disabled{opacity:.45;pointer-events:none}

/* ---------- 发布渠道卡片 ---------- */
.channel-card{
  height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.channel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6D0C4}
.channel-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;background:var(--brand-100);
  color:var(--brand-700);margin-bottom:16px;
}
.channel-icon svg{width:22px;height:22px}
.channel-card h3{font-size:18px;line-height:1.45;margin-bottom:8px}
.channel-card p{font-size:14px;line-height:1.8;color:var(--ink-600);margin:0}

/* ---------- 阅读提示 ---------- */
.guide-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:var(--sp-64);align-items:start}
.guide-intro h2{margin:8px 0 16px}
.guide-intro p{font-size:15px;line-height:1.85;color:var(--ink-600)}
.guide-list li{
  display:flex;gap:var(--sp-16);padding:20px 0;border-bottom:1px solid var(--line);
}
.guide-list li:first-child{padding-top:0}
.guide-list li:last-child{border-bottom:0;padding-bottom:0}
.guide-list .num{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:15px;font-weight:700;color:var(--accent-500);flex:none;width:32px;line-height:1.6;
}
.guide-list h3{font-size:17px;line-height:1.5;margin-bottom:6px}
.guide-list p{font-size:14px;line-height:1.8;color:var(--ink-600);margin:0}

/* ---------- 订阅 ---------- */
.subscribe-card{
  background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent-500);
  border-radius:var(--radius-card);padding:44px;box-shadow:var(--shadow-1);
  display:grid;grid-template-columns:1.05fr .95fr;gap:var(--sp-48);align-items:center;
}
.subscribe-copy h2{font-size:28px;line-height:1.32;margin:8px 0 12px}
.subscribe-copy p{font-size:15px;line-height:1.8;color:var(--ink-600);margin:0}
.subscribe-form{display:grid;gap:10px}
.subscribe-form label{font-size:13px;font-weight:600;color:var(--ink-600)}
.subscribe-form .btn{width:100%;margin-top:4px}
.form-hint{font-size:13px;line-height:1.6;color:var(--brand-700);margin:0;min-height:20px}
.form-hint.is-error{color:var(--danger)}

/* ---------- 结尾 CTA ---------- */
.cta-band{background:var(--brand-900);color:#EAF1ED;padding:var(--sp-64) 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-32);flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:28px;line-height:1.35;margin-bottom:10px}
.cta-inner p{color:#B9CCC4;font-size:15px;line-height:1.8;margin:0;max-width:56ch}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#D7E3DD;padding:var(--sp-64) 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:var(--sp-32);
  padding-bottom:var(--sp-32);border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:var(--lime)}
.footer-brand p{font-size:14px;line-height:1.85;color:#AEC2BA;max-width:38ch;margin:0 0 16px}
.footer-status{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:var(--radius-pill);background:rgba(205,235,106,.14);
  color:var(--lime);font-size:13px;font-weight:500;
}
.footer-status i{width:6px;height:6px;border-radius:50%;background:var(--lime);flex:none}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#C4D5CD}
.footer-col a:hover{color:var(--lime)}
.footer-col p{font-size:13px;line-height:1.85;color:#AEC2BA;margin:0}
.footer-col p a{font-size:14px}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding:20px 0;font-size:12px;color:#93A9A1;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--container:1080px}
}
@media (max-width:1023px){
  :root{--fs-h1:38px;--fs-h2:28px;--fs-h3:20px}
  .nav-links{
    position:absolute;left:0;right:0;top:68px;display:none;flex-direction:column;align-items:stretch;
    gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-1);
    padding:8px 20px 16px;margin:0;max-height:calc(100vh - 68px);overflow:auto;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{height:52px;padding:0 8px;font-size:16px;border-radius:8px}
  .nav-links a::after{left:0;right:auto;top:50%;bottom:auto;width:3px;height:22px;
    transform:translateY(-50%) scaleY(0);transform-origin:center;border-radius:2px}
  .nav-links a:hover::after,.nav-links a:focus-visible::after,.nav-links a.is-active::after{transform:translateY(-50%) scaleY(1)}
  .nav-toggle{display:inline-flex}
  .nav-actions{margin-left:auto}
  .status-tag{display:none}
  .section{padding:64px 0}
  .guide-grid{grid-template-columns:1fr;gap:var(--sp-32)}
  .subscribe-card{grid-template-columns:1fr;gap:var(--sp-32);padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-32)}
  .notice-row{grid-template-columns:88px minmax(0,1fr) auto;gap:20px;padding:22px 20px}
}
@media (max-width:767px){
  :root{--fs-h1:30px;--fs-h2:24px;--fs-h3:18px}
  .container{padding:0 20px}
  .nav-inner{height:56px;gap:12px}
  .brand-mark{width:26px;height:26px}
  .brand-text{font-size:17px}
  .nav-links{top:56px;max-height:calc(100vh - 56px)}
  .page-hero{padding:24px 0 40px}
  .page-hero h1{max-width:none;margin-bottom:12px}
  .hero-lead{font-size:15px;margin-bottom:20px}
  .hero-figure{margin-top:28px}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .filter-row{gap:8px}
  .chip{height:34px;padding:0 14px;font-size:13px}
  .notice-row{grid-template-columns:1fr;gap:12px;padding:20px 18px}
  .notice-date{border-right:0;border-bottom:1px solid var(--line);padding:0 0 10px;display:flex;align-items:baseline;gap:8px}
  .notice-date .d-day{font-size:18px}
  .notice-date .d-year{margin-top:0}
  .notice-body h3{font-size:17px}
  .notice-action{padding-top:0}
  .subscribe-card{padding:24px}
  .subscribe-copy h2{font-size:23px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner h2{font-size:23px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:375px){
  .hero-meta .meta-pill{font-size:12px;padding:0 10px}
}