/* roulang page: index */
:root{
  --c-primary:#E0452C;
  --c-primary-d:#B32E1B;
  --c-primary-soft:#FDEBE6;
  --c-accent:#0E7C6B;
  --c-accent-soft:#E6F4F1;
  --c-amber:#F5A524;
  --c-bg:#FDF8F4;
  --c-bg-2:#F2EAE2;
  --c-card:#FFFFFF;
  --c-ink:#17181C;
  --c-ink-2:#5A5F6B;
  --c-ink-3:#8C93A1;
  --c-line:#EADFD6;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,24,28,.06);
  --sh-2:0 12px 32px -8px rgba(224,69,44,.16);
  --sh-3:0 24px 60px -12px rgba(23,24,28,.24);
  --grad-brand:linear-gradient(135deg,#E0452C 0%,#F5A524 100%);
  --grad-data:linear-gradient(135deg,#0E7C6B 0%,#12A38C 100%);
  --ease:cubic-bezier(.4,0,.2,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(224,69,44,.35);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--c-bg-2);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head__text{max-width:680px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--c-primary-d);background:var(--c-primary-soft);
  border:1px solid rgba(224,69,44,.22);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.h2{font-size:clamp(24px,3vw,32px);line-height:1.25;font-weight:700;letter-spacing:-.3px;}
.h3{font-size:20px;line-height:1.35;font-weight:600;}
.lead{color:var(--c-ink-2);font-size:16px;line-height:1.85;margin-top:14px;}
.muted{color:var(--c-ink-3);font-size:14px;line-height:1.7;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:14px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-2);}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(.96);}
.btn-primary:active{transform:translateY(0);filter:brightness(.92);}
.btn-outline{background:#fff;border:1.5px solid var(--c-line);color:var(--c-ink);}
.btn-outline:hover{border-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary-d);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{
  position:relative;color:var(--c-primary-d);font-weight:600;padding:6px 0;min-height:44px;
  display:inline-flex;align-items:center;
}
.btn-ghost::after{
  content:"";position:absolute;left:0;bottom:6px;height:2px;width:28px;border-radius:2px;
  background:var(--c-primary);transition:width .3s var(--ease);
}
.btn-ghost:hover::after{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary-d);font-weight:600;font-size:14px;}
.link-arrow span.arrow{transition:transform .25s var(--ease);}
.link-arrow:hover span.arrow{transform:translateX(4px);}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(253,248,244,.85);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-2);border-bottom-color:var(--c-line);background:rgba(255,255,255,.85);}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:16px;
  box-shadow:var(--sh-2);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:16px;font-weight:700;letter-spacing:-.2px;}
.brand-text span{font-size:12px;color:var(--c-ink-3);font-weight:400;}
.nav-chips{
  display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;
  margin:0 auto;padding:4px;max-width:640px;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--c-ink-2);white-space:nowrap;
  border:1px solid transparent;transition:all .25s var(--ease);
}
.chip:hover{background:var(--c-primary-soft);color:var(--c-primary-d);}
.chip.is-active{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-2);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1.5px solid var(--c-line);
  align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,24,28,.45);opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease);z-index:60;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);background:#fff;z-index:61;
  transform:translateX(102%);transition:transform .32s var(--ease);
  box-shadow:var(--sh-3);padding:24px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-close{width:44px;height:44px;border-radius:var(--r-sm);border:1.5px solid var(--c-line);font-size:18px;color:var(--c-ink-2);}
.drawer a.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--c-ink-2);border-left:4px solid transparent;
}
.drawer a.drawer-link.is-active{color:var(--c-primary-d);background:var(--c-primary-soft);border-left-color:var(--c-primary);}
.drawer a.drawer-link:hover{background:var(--c-bg-2);}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:10px;padding-top:16px;}

/* Hero */
.hero{position:relative;padding:80px 0 96px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(720px 380px at 12% 0%,rgba(224,69,44,.10),transparent 62%),
    radial-gradient(620px 340px at 92% 12%,rgba(14,124,107,.10),transparent 60%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:6fr 5fr;gap:56px;align-items:center;}
.hero-title{
  font-size:clamp(30px,4.6vw,56px);line-height:1.15;font-weight:800;letter-spacing:-.5px;
  margin-bottom:18px;
}
.hero-title em{font-style:normal;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:17px;line-height:1.85;color:var(--c-ink-2);max-width:520px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.trust-list{display:flex;flex-wrap:wrap;gap:16px;}
.trust-item{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--c-ink-2);font-weight:600;}
.trust-item i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:block;}
.hero-media{position:relative;}
.hero-media__frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--sh-3);aspect-ratio:16/11;background:var(--c-bg-2);
}
.hero-media__frame img{width:100%;height:100%;object-fit:cover;}
.hero-media__veil{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(224,69,44,.42) 0%,rgba(245,165,36,.16) 60%,rgba(23,24,28,.10) 100%);
}
.media-badge{
  position:absolute;display:flex;flex-direction:column;gap:2px;
  background:rgba(255,255,255,.95);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:10px 16px;box-shadow:var(--sh-2);backdrop-filter:blur(6px);
}
.media-badge b{font-size:20px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;}
.media-badge span{font-size:12px;color:var(--c-ink-3);font-weight:600;}
.media-badge--a{left:-16px;bottom:32px;}
.media-badge--b{right:-16px;top:32px;}
.media-badge--b b{color:var(--c-accent);}
.media-badge--a b{color:var(--c-primary);}

/* 指标看板 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(224,69,44,.24);}
.stat-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.stat-icon{
  width:40px;height:40px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;
  background:var(--c-accent-soft);color:var(--c-accent);font-weight:800;font-size:15px;
}
.stat-card:nth-child(2n) .stat-icon{background:var(--c-primary-soft);color:var(--c-primary-d);}
.stat-value{display:flex;align-items:baseline;gap:6px;font-size:40px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;}
.stat-value small{font-size:14px;font-weight:600;color:var(--c-ink-3);}
.stat-label{margin-top:12px;font-size:14px;font-weight:600;color:var(--c-ink-2);}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;
}
.badge i{width:6px;height:6px;border-radius:50%;background:currentColor;display:block;}
.badge--accent{color:var(--c-accent);background:var(--c-accent-soft);border:1px solid rgba(14,124,107,.24);}
.badge--amber{color:#8A5A00;background:rgba(245,165,36,.16);border:1px solid rgba(245,165,36,.42);}
.badge--primary{color:var(--c-primary-d);background:var(--c-primary-soft);border:1px solid rgba(224,69,44,.22);}

/* Bento 服务矩阵 */
.bento{display:grid;grid-template-columns:2fr 1fr;gap:24px;}
.bento-main{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.bento-main:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(224,69,44,.24);}
.bento-main__media{aspect-ratio:16/9;position:relative;overflow:hidden;background:var(--c-bg-2);}
.bento-main__media img{width:100%;height:100%;object-fit:cover;}
.bento-main__body{padding:32px;}
.bento-main__body p{color:var(--c-ink-2);margin:12px 0 22px;}
.bento-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.mini-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:10px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.mini-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(224,69,44,.24);}
.mini-card p{color:var(--c-ink-2);font-size:15px;}
.row-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px;}
.row-card{
  position:relative;display:flex;align-items:flex-start;gap:18px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh-1);overflow:hidden;
  transition:background .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.row-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:0;background:var(--c-primary);
  transition:width .28s var(--ease);
}
.row-card:hover{background:var(--c-bg);border-color:rgba(224,69,44,.24);transform:translateY(-2px);}
.row-card:hover::before{width:4px;}
.row-num{
  font-size:22px;font-weight:800;color:transparent;-webkit-text-stroke:1.2px rgba(224,69,44,.55);
  line-height:1;flex-shrink:0;padding-top:2px;font-variant-numeric:tabular-nums;
}
.row-card h3{font-size:16px;font-weight:700;line-height:1.4;margin-bottom:6px;}
.row-card p{font-size:14px;color:var(--c-ink-2);line-height:1.7;}

/* 最新信息 */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.news-grid{display:grid;grid-template-columns:3fr 2fr;gap:32px;align-items:start;}
.news-feature{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.news-feature:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(224,69,44,.24);}
.news-feature__media{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-2);}
.news-feature__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.news-feature:hover .news-feature__media img{transform:scale(1.03);}
.news-feature__body{padding:28px 32px 32px;}
.news-feature__body h3{font-size:22px;font-weight:700;line-height:1.4;margin:14px 0 12px;}
.news-feature__body p{color:var(--c-ink-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--c-ink-3);font-variant-numeric:tabular-nums;}
.news-list{display:flex;flex-direction:column;gap:12px;}
.news-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px 22px;
  box-shadow:var(--sh-1);transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(224,69,44,.24);}
.news-item h3{font-size:16px;font-weight:700;line-height:1.45;margin:10px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item p{font-size:14px;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item .news-meta{margin-top:12px;}
.empty-state{
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-lg);color:var(--c-ink-3);
}
.empty-state svg{width:48px;height:48px;color:var(--c-ink-3);}
.empty-state p{font-size:14px;}

/* 对比 */
.compare-wrap{overflow-x:auto;padding-bottom:6px;}
.compare{
  min-width:640px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.compare-head,.compare-row{display:grid;grid-template-columns:1.4fr 1fr 1fr;align-items:center;}
.compare-head{
  background:var(--c-bg-2);font-size:14px;font-weight:600;color:var(--c-ink-2);
  padding:16px 24px;border-bottom:1px solid var(--c-line);
}
.compare-row{padding:16px 24px;border-bottom:1px solid var(--c-line);font-size:15px;}
.compare-row:nth-child(odd){background:#fff;}
.compare-row:nth-child(even){background:var(--c-bg);}
.compare-row:last-child{border-bottom:0;}
.compare-cell{display:flex;align-items:center;gap:10px;color:var(--c-ink-3);}
.compare-cell--yes{color:var(--c-accent);font-weight:600;}
.dash{display:inline-block;width:16px;height:2px;background:var(--c-ink-3);border-radius:2px;}
.check{
  display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;
  background:var(--grad-data);color:#fff;font-size:12px;flex-shrink:0;
}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;transition:border-color .25s var(--ease);
}
.faq-item.is-open{border-color:rgba(224,69,44,.28);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:8px 24px;font-size:16px;font-weight:600;text-align:left;
  transition:color .25s var(--ease);
}
.faq-q:hover{color:var(--c-primary-d);}
.faq-icon{
  width:24px;height:24px;border-radius:50%;background:var(--c-bg-2);color:var(--c-ink-2);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0;
  transition:transform .3s var(--ease),background .25s var(--ease),color .25s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--grad-brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.faq-a__inner{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}

/* 转化表单 */
.cta-card{
  position:relative;background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-3);overflow:hidden;
  display:grid;grid-template-columns:1fr 1fr;
}
.cta-card::before{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);padding:1.5px;pointer-events:none;
  background:var(--grad-brand);
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
}
.cta-left{padding:44px 40px;background:var(--c-bg-2);}
.cta-left h2{font-size:clamp(22px,2.4vw,28px);line-height:1.3;font-weight:700;margin-bottom:14px;}
.cta-left p{color:var(--c-ink-2);font-size:15px;}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:16px;}
.cta-point{display:flex;gap:14px;align-items:flex-start;}
.cta-point i{
  width:28px;height:28px;border-radius:var(--r-sm);background:#fff;color:var(--c-primary-d);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;flex-shrink:0;
  border:1px solid var(--c-line);font-style:normal;
}
.cta-point b{display:block;font-size:15px;font-weight:700;margin-bottom:2px;}
.cta-point span{font-size:14px;color:var(--c-ink-2);line-height:1.7;}
.cta-right{padding:44px 40px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--c-ink-2);}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 16px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:#fff;font-size:15px;line-height:1.6;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.field textarea{min-height:120px;resize:vertical;}
.field select{
  appearance:none;-webkit-appearance:none;padding-right:44px;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1l6 6 6-6' fill='none' stroke='%235A5F6B' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(224,69,44,.18);
}
.form-note{font-size:12px;color:var(--c-ink-3);line-height:1.7;margin-top:12px;}
.form-tip{font-size:13px;color:var(--c-accent);font-weight:600;margin-top:10px;min-height:20px;}

/* 页脚 */
.site-footer{background:#1A1B1F;color:rgba(255,255,255,.72);position:relative;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);}
.footer-inner{padding:64px 0 32px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand b{color:#fff;font-size:16px;display:block;line-height:1.2;}
.footer-brand span{font-size:12px;color:rgba(255,255,255,.55);}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);transition:color .25s var(--ease);}
.footer-links a:hover{color:#fff;}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px;}
.footer-chips a{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.16);font-size:13px;color:rgba(255,255,255,.72);
  transition:all .25s var(--ease);
}
.footer-chips a:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.3);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:22px 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.5);}
.footer-bottom a:hover{color:#fff;}

/* 响应式 */
@media (max-width:1023px){
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .hero{padding:56px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{max-width:640px;}
  .media-badge--a{left:12px;bottom:16px;}
  .media-badge--b{right:12px;top:16px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .bento{grid-template-columns:1fr;}
  .bento-side{grid-template-rows:auto;grid-template-columns:1fr 1fr;}
  .row-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:1fr;}
  .cta-card{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-chips{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn-outline{display:none;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .section{padding:44px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:16px;}
  .stat-card{padding:20px;}
  .stat-value{font-size:32px;}
  .row-grid{grid-template-columns:1fr;}
  .bento-side{grid-template-columns:1fr;}
  .hero-cta .btn{width:100%;}
  .media-badge{padding:8px 12px;}
  .media-badge b{font-size:16px;}
  .media-badge span{font-size:11px;}
  .cta-left,.cta-right{padding:28px 22px;}
  .news-feature__body{padding:22px;}
  .footer-inner{grid-template-columns:1fr;gap:28px;padding:48px 0 24px;}
  .compare::after{content:"";}
}
@media (max-width:519px){
  .hero-title{letter-spacing:-.2px;}
  .stat-grid{grid-template-columns:1fr;}
}

/* roulang page: category1 */
:root{
  --c-primary:#E0452C;
  --c-primary-d:#B32E1B;
  --c-primary-soft:#FDEBE6;
  --c-accent:#0E7C6B;
  --c-accent-soft:#E6F4F1;
  --c-amber:#F5A524;
  --c-bg:#FDF8F4;
  --c-bg-2:#F2EAE2;
  --c-card:#FFFFFF;
  --c-ink:#17181C;
  --c-sub:#5A5F6B;
  --c-weak:#8C93A1;
  --c-line:#EADFD6;
  --r-card:24px;
  --r-box:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,24,28,.06);
  --sh-2:0 12px 32px -8px rgba(224,69,44,.16);
  --sh-3:0 24px 60px -12px rgba(23,24,28,.24);
  --grad-brand:linear-gradient(135deg,#E0452C 0%,#F5A524 100%);
  --grad-data:linear-gradient(135deg,#0E7C6B 0%,#12A38C 100%);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(224,69,44,.35);outline-offset:2px;border-radius:8px}
.num{font-variant-numeric:tabular-nums}

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

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{
  box-shadow:0 12px 32px -18px rgba(23,24,28,.24);
  border-bottom-color:var(--c-line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:76px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;flex-shrink:0;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:17px;font-weight:700;letter-spacing:.2px}
.brand-text span{font-size:12px;color:var(--c-weak);margin-top:2px;font-weight:400}

.nav-chips{
  display:flex;align-items:center;gap:6px;
  overflow-x:auto;scrollbar-width:none;flex:1 1 auto;
  justify-content:center;
  padding:6px 4px;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;
  border-radius:var(--r-pill);
  font-size:14px;color:var(--c-sub);white-space:nowrap;
  transition:background .25s var(--ease),color .25s var(--ease),box-shadow .25s var(--ease);
}
.chip:hover{background:var(--c-primary-soft);color:var(--c-primary-d)}
.chip.is-active{
  background:var(--grad-brand);color:#fff;
  box-shadow:0 8px 18px -10px rgba(224,69,44,.6);
}
.chip.is-active:hover{color:#fff}

.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;border:0;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px -12px rgba(224,69,44,.7)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 32px -14px rgba(224,69,44,.75)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:#fff;color:var(--c-ink);border:1.5px solid var(--c-line)}
.btn-secondary:hover{border-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary-d)}
.btn-ghost{background:transparent;color:var(--c-primary-d);padding:8px 0;min-height:44px;position:relative}
.btn-ghost::after{
  content:"";position:absolute;left:0;bottom:8px;height:2px;width:22px;
  background:var(--c-primary);transition:width .3s var(--ease);
}
.btn-ghost:hover::after{width:100%}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-box);
  border:1.5px solid var(--c-line);background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.nav-toggle:hover{border-color:var(--c-primary);background:var(--c-primary-soft)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,24,28,.45);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:60;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:300px;max-width:86vw;
  background:#fff;z-index:61;box-shadow:var(--sh-3);
  transform:translateX(102%);transition:transform .35s var(--ease);
  padding:22px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-box);border:1.5px solid var(--c-line);
  background:#fff;font-size:22px;line-height:1;color:var(--c-sub);cursor:pointer;
  transition:border-color .25s var(--ease),color .25s var(--ease);
}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary-d)}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;
  border-radius:var(--r-box);font-size:15px;color:var(--c-sub);
  border-left:4px solid transparent;transition:background .25s var(--ease),color .25s var(--ease);
}
.drawer-link:hover{background:var(--c-bg-2);color:var(--c-ink)}
.drawer-link.is-active{border-left-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary-d);font-weight:600}
.drawer-cta{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.drawer-cta .btn{width:100%}

/* ============ breadcrumb ============ */
.crumb-bar{background:var(--c-bg);border-bottom:1px solid var(--c-line)}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--c-weak);padding:16px 0;
}
.breadcrumb a{color:var(--c-weak);transition:color .25s var(--ease)}
.breadcrumb a:hover{color:var(--c-primary-d)}
.breadcrumb .sep{color:#CFC4B9}
.breadcrumb .current{color:var(--c-primary-d);font-weight:600}

/* ============ hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#FFF7F1 0%,#F9E9DE 58%,#F2E1D5 100%);
  border-bottom:1px solid var(--c-line);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(255,247,241,.97) 0%,rgba(255,247,241,.72) 45%,rgba(255,247,241,.2) 100%),
             url('/assets/images/backpic/back-1.png') center right/cover no-repeat;
  opacity:.55;pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:1;padding:56px 0 52px;min-height:320px;display:flex;flex-direction:column;justify-content:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  align-self:flex-start;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);border:1px solid rgba(224,69,44,.28);
  font-size:12px;color:var(--c-primary-d);font-weight:600;letter-spacing:.4px;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);display:block}
.cat-hero h1{
  margin-top:18px;max-width:760px;
  font-size:clamp(30px,4vw,44px);line-height:1.15;font-weight:800;letter-spacing:-.5px;
}
.cat-hero p.lead{
  margin-top:16px;max-width:680px;font-size:16px;line-height:1.85;color:var(--c-sub);
}
.anchor-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.anchor-chip{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);
  font-size:13px;color:var(--c-sub);transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.anchor-chip:hover{border-color:var(--c-primary);color:var(--c-primary-d);transform:translateY(-1px)}

/* ============ section ============ */
.section{padding:96px 0}
.section.alt{background:var(--c-bg-2)}
.section-head{max-width:720px;margin-bottom:40px}
.section-eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--c-primary);
  text-transform:uppercase;display:block;margin-bottom:12px;
}
.section-head h2{font-size:clamp(26px,3vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.3px}
.section-head p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--c-sub)}

/* ============ flow list（图文横列） ============ */
.flow-list{border-top:1px solid var(--c-line)}
.flow-item{
  display:grid;grid-template-columns:280px 1fr;gap:32px;align-items:start;
  padding:30px 12px;border-bottom:1px solid var(--c-line);
  border-radius:var(--r-box);
  transition:background .25s var(--ease),padding .25s var(--ease);
}
.flow-item:hover{background:#fff;padding-left:20px;padding-right:20px}
.flow-thumb{
  aspect-ratio:4/3;border-radius:var(--r-box);overflow:hidden;
  border:1px solid var(--c-line);background:var(--c-bg-2);
}
.flow-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.flow-item:hover .flow-thumb img{transform:scale(1.03)}
.flow-index{
  font-size:13px;font-weight:700;color:var(--c-primary);letter-spacing:.1em;
  display:block;margin-bottom:8px;
}
.flow-body h3{font-size:22px;line-height:1.35;font-weight:600}
.flow-body p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--c-sub)}
.flow-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge i{width:6px;height:6px;border-radius:50%;display:block}
.badge-accent{background:var(--c-accent-soft);border:1px solid rgba(14,124,107,.28);color:var(--c-accent)}
.badge-accent i{background:var(--c-accent)}
.badge-amber{background:#FEF4E3;border:1px solid rgba(245,165,36,.42);color:#96610A}
.badge-amber i{background:var(--c-amber)}
.flow-action{margin-top:18px}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-box);
  box-shadow:var(--sh-1);margin-bottom:12px;overflow:hidden;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item:hover{border-color:rgba(224,69,44,.24)}
.faq-item.is-open{border-color:rgba(224,69,44,.32);box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 22px;background:transparent;border:0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--c-ink);text-align:left;
  transition:color .25s var(--ease);
}
.faq-q:hover{color:var(--c-primary-d)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary-d);
  display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;
  transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--grad-brand);color:#fff}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .35s var(--ease),padding .35s var(--ease);
  padding:0 22px;
}
.faq-item.is-open .faq-a{padding:0 22px 20px}
.faq-a p{font-size:15px;line-height:1.8;color:var(--c-sub)}

/* ============ CTA strip ============ */
.cta-strip{
  border-radius:var(--r-card);padding:34px 36px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  box-shadow:var(--sh-2);position:relative;overflow:hidden;
}
.cta-strip::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  border-radius:50%;background:rgba(255,255,255,.14);
}
.cta-strip h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.3;position:relative;z-index:1}
.cta-strip p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.88);position:relative;z-index:1}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.cta-strip .btn-primary{background:#fff;color:var(--c-primary-d);box-shadow:0 10px 24px -14px rgba(0,0,0,.5)}
.cta-strip .btn-primary:hover{background:#FFF3EC;color:var(--c-primary-d)}
.cta-strip .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.62)}
.cta-strip .btn-secondary:hover{background:rgba(255,255,255,.16);border-color:#fff;color:#fff}

/* ============ footer ============ */
.site-footer{position:relative;background:#1A1B1F;color:#B9BDC7}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);
}
.footer-inner{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;
  padding-top:64px;padding-bottom:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text span{color:#8C93A1}
.site-footer p{font-size:14px;line-height:1.8;color:#9AA0AC;max-width:340px}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links a{
  display:block;font-size:14px;color:#9AA0AC;padding:6px 0;
  transition:color .25s var(--ease),transform .25s var(--ease);
}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-chips{display:flex;flex-wrap:wrap;gap:10px}
.footer-chips a{
  display:inline-flex;align-items:center;min-height:34px;padding:6px 14px;
  border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.18);
  font-size:13px;color:#D6D9E0;
  transition:background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.footer-chips a:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4);color:#fff}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:20px;padding-bottom:32px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:#8C93A1;
}
.footer-bottom a{color:#8C93A1;transition:color .25s var(--ease)}
.footer-bottom a:hover{color:#fff}

/* ============ responsive ============ */
@media (max-width:1023px){
  .header-inner{min-height:68px}
  .nav-chips,.header-actions{display:none}
  .nav-toggle{display:flex}
  .section{padding:64px 0}
  .flow-item{grid-template-columns:220px 1fr;gap:24px}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .cat-hero-inner{padding:40px 0 44px;min-height:280px}
  .cat-hero::after{opacity:.35}
  .section{padding:48px 0}
  .flow-item{grid-template-columns:1fr;gap:18px;padding:24px 4px}
  .flow-item:hover{padding-left:4px;padding-right:4px}
  .flow-thumb{aspect-ratio:16/9}
  .cta-strip{padding:26px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
@media (max-width:519px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:44px 0}
  .section-head{margin-bottom:28px}
  .footer-inner{grid-template-columns:1fr;padding-top:48px;gap:28px}
  .site-footer p{max-width:none}
  .breadcrumb{font-size:13px}
  .flow-body h3{font-size:19px}
}

/* roulang page: article */
:root{
  --c-primary:#E0452C;
  --c-primary-d:#B32E1B;
  --c-primary-soft:#FDEBE6;
  --c-accent:#0E7C6B;
  --c-accent-soft:#E6F4F1;
  --c-amber:#F5A524;
  --c-bg:#FDF8F4;
  --c-bg-2:#F2EAE2;
  --c-card:#FFFFFF;
  --c-ink:#17181C;
  --c-sub:#5A5F6B;
  --c-weak:#8C93A1;
  --c-line:#EADFD6;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(23,24,28,.06);
  --sh-2:0 12px 32px -8px rgba(224,69,44,.16);
  --sh-3:0 24px 60px -12px rgba(23,24,28,.24);
  --grad-brand:linear-gradient(135deg,#E0452C 0%,#F5A524 100%);
  --grad-data:linear-gradient(135deg,#0E7C6B 0%,#12A38C 100%);
  --ease:cubic-bezier(.4,0,.2,1);
  --font: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-family:var(--font);}
p{margin:0;}
.tnum{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.sec{padding-top:88px;padding-bottom:88px;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.85);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(234,223,214,.7);
  transition:box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-2);border-bottom-color:var(--c-line);}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px;padding-top:10px;padding-bottom:10px;}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:var(--r-sm);
  background:var(--grad-brand);color:#fff;font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;letter-spacing:0;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16px;font-weight:700;color:var(--c-ink);}
.brand-text span{font-size:12px;color:var(--c-weak);letter-spacing:.2px;}

.nav-chips{display:flex;align-items:center;gap:6px;flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none;}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:999px;
  font-size:14px;color:var(--c-sub);white-space:nowrap;
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.chip:hover{background:var(--c-primary-soft);color:var(--c-primary-d);}
.chip:focus-visible{outline:3px solid rgba(224,69,44,.35);outline-offset:2px;}
.chip.is-active{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1);}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:24px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:14px 26px;border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease),color .25s var(--ease);
}
.btn:focus-visible{outline:3px solid rgba(224,69,44,.35);outline-offset:2px;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-2);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 36px -10px rgba(224,69,44,.42);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-secondary{background:#fff;border-color:var(--c-line);color:var(--c-ink);}
.btn-secondary:hover{border-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary-d);}
.btn-secondary:active{transform:translateY(0);}
.btn-sm{min-height:40px;padding:10px 18px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:#fff;border:1.5px solid var(--c-line);border-radius:var(--r-sm);
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.nav-toggle:hover{border-color:var(--c-primary);background:var(--c-primary-soft);}
.nav-toggle:focus-visible{outline:3px solid rgba(224,69,44,.35);outline-offset:2px;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,24,28,.45);opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease);z-index:60;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:302px;max-width:86vw;background:#fff;z-index:70;
  transform:translateX(100%);transition:transform .32s var(--ease);
  box-shadow:var(--sh-3);display:flex;flex-direction:column;padding:18px;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-head b{font-size:16px;}
.drawer-close{
  width:44px;height:44px;border:1.5px solid var(--c-line);background:#fff;border-radius:var(--r-sm);
  font-size:20px;color:var(--c-sub);line-height:1;
}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary-d);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav .chip{height:44px;border-radius:var(--r-sm);justify-content:flex-start;width:100%;border-left:4px solid transparent;font-size:15px;}
.drawer-nav .chip.is-active{background:var(--c-primary-soft);color:var(--c-primary-d);border-left-color:var(--c-primary);}
.drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:auto;padding-top:16px;border-top:1px solid var(--c-line);}

/* ============ breadcrumb ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-weak);padding-top:26px;}
.crumb a{color:var(--c-sub);transition:color .25s var(--ease);}
.crumb a:hover{color:var(--c-primary-d);}
.crumb .crumb-sep{color:#CFC3B8;}
.crumb .crumb-current{color:var(--c-primary);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ article ============ */
.article-main{padding-bottom:96px;}
.article-layout{margin-top:22px;}
.article-card{
  max-width:760px;margin:0 auto;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  padding:40px;
}
.article-top{border-bottom:1px solid var(--c-line);padding-bottom:22px;margin-bottom:26px;}
.article-title{
  font-size:clamp(26px,3.4vw,38px);line-height:1.25;font-weight:800;letter-spacing:-.3px;
  color:var(--c-ink);margin-bottom:16px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--c-weak);}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.85;}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent);border:1px solid rgba(14,124,107,.28);}
.badge-amber{background:#FEF3E1;color:#A8690A;border:1px solid rgba(245,165,36,.42);}
.meta-dot{color:#CFC3B8;}

.article-body{font-size:16px;line-height:1.85;color:var(--c-ink);}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:24px;line-height:1.35;font-weight:700;margin:40px 0 16px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;width:4px;height:20px;border-radius:2px;background:var(--grad-brand);
}
.article-body h3{font-size:20px;font-weight:600;margin:28px 0 12px;color:var(--c-ink);}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;color:var(--c-sub);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em;}
.article-body ul{list-style:none;}
.article-body ul li{position:relative;margin-bottom:.6em;}
.article-body ul li::before{
  content:"";position:absolute;left:-1.05em;top:.68em;width:6px;height:6px;border-radius:50%;background:var(--c-primary);
}
.article-body ol li{margin-bottom:.6em;padding-left:.2em;}
.article-body ol li::marker{color:var(--c-accent);font-weight:700;}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--c-bg-2);border-left:4px solid var(--c-accent);
  border-radius:var(--r-sm);font-size:15px;line-height:1.8;color:var(--c-sub);
}
.article-body img{margin:26px 0 10px;width:100%;}
.article-body figure{margin:26px 0;}
.article-body figcaption,.article-body .img-caption{
  font-size:13px;color:var(--c-weak);text-align:center;line-height:1.7;
}
.article-body a{color:var(--c-primary-d);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-primary);}
.article-body strong{font-weight:700;}
.article-body code{
  background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:8px;
  padding:2px 6px;font-size:14px;color:var(--c-primary-d);
}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
}
.article-body thead th{background:var(--c-primary-soft);color:var(--c-primary-d);font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--c-line);}
.article-body tbody tr:nth-child(even){background:#FBF8F5;}
.article-body .tip,.article-body .note{
  background:var(--c-accent-soft);border:1px solid rgba(14,124,107,.2);border-radius:var(--r-md);
  padding:16px 20px;margin:24px 0;font-size:15px;color:#0B5F52;
}

.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:260px;text-align:center;color:var(--c-weak);
}
.empty-state svg{width:48px;height:48px;stroke:var(--c-weak);fill:none;stroke-width:1.4;}
.empty-state p{font-size:14px;color:var(--c-sub);}

.article-foot{margin-top:34px;padding-top:22px;border-top:1px solid var(--c-line);}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-label{font-size:13px;color:var(--c-weak);}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--c-bg-2);border:1px solid var(--c-line);font-size:13px;color:var(--c-sub);
  transition:border-color .25s var(--ease),color .25s var(--ease),background .25s var(--ease);
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary-d);background:var(--c-primary-soft);}

/* toc */
.toc-side{display:none;}
.toc-card{
  position:sticky;top:96px;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-md);box-shadow:var(--sh-1);padding:20px;
}
.toc-title{font-size:14px;font-weight:700;color:var(--c-ink);margin-bottom:12px;}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:60vh;overflow-y:auto;}
.toc-link{
  display:block;font-size:13px;line-height:1.6;color:var(--c-sub);padding:6px 0 6px 12px;
  border-left:2px solid transparent;transition:color .25s var(--ease),border-color .25s var(--ease);
}
.toc-link:hover{color:var(--c-primary-d);}
.toc-link.is-current{color:var(--c-primary);border-left-color:var(--c-primary);font-weight:600;}

/* ============ extra blocks ============ */
.article-extra{max-width:1080px;margin:56px auto 0;}
.block-title{font-size:22px;font-weight:700;line-height:1.35;margin-bottom:18px;}
.nav-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.pair-card{
  display:flex;flex-direction:column;gap:8px;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-md);box-shadow:var(--sh-1);padding:20px 22px;
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.pair-card:hover{transform:translateY(-2px);border-color:rgba(224,69,44,.24);box-shadow:var(--sh-2);}
.pair-card span{font-size:13px;color:var(--c-weak);}
.pair-card b{font-size:16px;font-weight:600;color:var(--c-ink);}
.pair-card.is-empty{color:var(--c-weak);align-items:center;justify-content:center;min-height:110px;text-align:center;}

.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rec-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.rec-card:hover{transform:translateY(-2px);border-color:rgba(224,69,44,.24);box-shadow:var(--sh-2);}
.rec-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-2);}
.rec-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.rec-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;}
.rec-body h3{font-size:17px;font-weight:600;line-height:1.45;color:var(--c-ink);}
.rec-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-weak);}
.rec-link{font-size:14px;font-weight:600;color:var(--c-primary-d);}
.rec-link:hover{color:var(--c-primary);}

.back-row{display:flex;justify-content:center;margin-top:44px;}

.cta-strip{
  margin-top:64px;border-radius:var(--r-lg);padding:32px 36px;
  background:var(--grad-brand);color:#fff;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:20px;box-shadow:var(--sh-2);
}
.cta-strip h2{font-size:22px;font-weight:700;line-height:1.4;}
.cta-strip p{font-size:14px;opacity:.92;margin-top:6px;}
.cta-strip .btn-secondary{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.6);color:#fff;}
.cta-strip .btn-secondary:hover{background:#fff;color:var(--c-primary-d);border-color:#fff;}

/* ============ footer ============ */
.site-footer{position:relative;background:#1A1B1F;color:#B9BEC8;margin-top:88px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);}
.footer-inner{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-top:56px;padding-bottom:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand .brand-text b{color:#fff;}
.footer-brand .brand-text span{color:#8C93A1;}
.footer-inner p{font-size:14px;line-height:1.8;color:#9AA0AB;max-width:34ch;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-chips{display:flex;flex-wrap:wrap;gap:10px;}
.footer-chips a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);font-size:13px;color:#C7CCD4;
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.footer-chips a:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#9AA0AB;transition:color .25s var(--ease);}
.footer-links a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.08);padding-top:18px;padding-bottom:28px;
  font-size:13px;color:#7D838F;
}
.footer-bottom a{color:#7D838F;transition:color .25s var(--ease);}
.footer-bottom a:hover{color:#fff;}

/* ============ responsive ============ */
@media (min-width:1280px){
  .article-layout{display:grid;grid-template-columns:minmax(0,720px) 260px;gap:40px;justify-content:center;}
  .article-card{max-width:none;margin:0;}
  .toc-side.is-ready{display:block;}
}
@media (max-width:1023px){
  .nav-chips{display:none;}
  .header-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .header-actions{margin-left:auto;gap:8px;}
  .sec{padding-top:64px;padding-bottom:64px;}
  .footer-inner{grid-template-columns:1fr 1fr;gap:28px;}
  .rec-grid{grid-template-columns:1fr 1fr;}
  .article-extra{max-width:760px;}
}
@media (max-width:767px){
  .article-card{padding:24px;}
  .article-title{font-size:24px;}
  .nav-pair{grid-template-columns:1fr;}
  .cta-strip{padding:24px;}
}
@media (max-width:639px){
  .container{padding-left:16px;padding-right:16px;}
  .sec{padding-top:44px;padding-bottom:44px;}
  .article-main{padding-bottom:64px;}
  .article-card{padding:20px;border-radius:var(--r-md);}
  .footer-inner{grid-template-columns:1fr;padding-top:44px;}
  .rec-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .cta-strip{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --c-primary:#E0452C;
  --c-primary-d:#B32E1B;
  --c-primary-soft:#FDEBE6;
  --c-accent:#0E7C6B;
  --c-accent-soft:#E6F4F1;
  --c-amber:#F5A524;
  --c-bg:#FDF8F4;
  --c-bg-2:#F2EAE2;
  --c-card:#FFFFFF;
  --c-ink:#17181C;
  --c-sub:#5A5F6B;
  --c-muted:#8C93A1;
  --c-border:#EADFD6;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(23,24,28,.06);
  --sh-2:0 12px 32px -8px rgba(224,69,44,.16);
  --sh-3:0 24px 60px -12px rgba(23,24,28,.24);
  --grad-brand:linear-gradient(135deg,#E0452C 0%,#F5A524 100%);
  --grad-data:linear-gradient(135deg,#0E7C6B 0%,#12A38C 100%);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;color:var(--c-ink);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25}
p{margin:0 0 1.1em}
ul{margin:0;padding:0}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-2);border-bottom-color:var(--c-border)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:700;flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:16px;font-weight:700;letter-spacing:-.2px}
.brand-text span{font-size:12px;color:var(--c-sub);font-weight:400}
.nav-chips{
  display:flex;align-items:center;gap:6px;flex:1 1 auto;min-width:0;
  overflow-x:auto;padding:6px 2px;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
  mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 14px),transparent 100%);
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:999px;
  font-size:14px;color:var(--c-sub);white-space:nowrap;border:1px solid transparent;
  transition:background .25s var(--ease),color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);
}
.chip:hover{background:var(--c-primary-soft);color:var(--c-primary-d)}
.chip.is-active{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-2)}
.chip:focus-visible{outline:3px solid rgba(224,69,44,.35);outline-offset:2px}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:999px;font-size:15px;font-weight:600;
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease);
}
.btn-sm{min-height:40px;padding:8px 18px;font-size:14px}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{filter:brightness(.95);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border:1.5px solid var(--c-border);color:var(--c-ink)}
.btn-outline:hover{border-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary-d)}
.btn-ghost{
  position:relative;padding:0 0 10px;min-height:44px;align-items:flex-end;color:var(--c-primary-d);font-weight:600;
}
.btn-ghost::after{
  content:"";position:absolute;left:0;bottom:6px;height:2px;width:36px;background:var(--c-primary);
  transition:width .3s var(--ease);
}
.btn-ghost:hover::after{width:100%}
.btn:focus-visible{outline:3px solid rgba(224,69,44,.35);outline-offset:2px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-border);
  background:#fff;align-items:center;justify-content:center;margin-left:auto;flex:none;
}
.nav-toggle:focus-visible{outline:3px solid rgba(224,69,44,.35);outline-offset:2px}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,24,28,.45);opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease);z-index:60;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:61;
  transform:translateX(102%);transition:transform .3s var(--ease);box-shadow:var(--sh-3);
  padding:20px;display:flex;flex-direction:column;gap:10px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.drawer-title{font-size:15px;font-weight:700}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--c-border);display:grid;place-items:center}
.drawer .chip{
  justify-content:flex-start;height:48px;width:100%;border-radius:12px;padding-left:16px;
  border:1px solid var(--c-border);border-left:4px solid transparent;
}
.drawer .chip.is-active{border-left-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary-d);box-shadow:none}
.drawer .btn{width:100%;margin-top:6px}

/* ---------- 面包屑 ---------- */
.crumb{
  font-size:14px;color:var(--c-muted);padding:20px 0 0;
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
}
.crumb a:hover{color:var(--c-primary-d)}
.crumb .sep{color:var(--c-border)}
.crumb .current{color:var(--c-primary)}

/* ---------- Hero（居中式） ---------- */
.hero{position:relative;overflow:hidden;padding:24px 0 72px}
.hero-bg{
  position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.16;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(80% 70% at 50% 30%,rgba(253,248,244,.4) 0%,rgba(253,248,244,.92) 70%,#FDF8F4 100%);
}
.hero-inner{position:relative;max-width:680px;margin:0 auto;text-align:center}
.hero h1{
  font-size:clamp(30px,4.6vw,56px);line-height:1.15;font-weight:800;letter-spacing:-.5px;margin:18px 0 16px;
}
.hero-sub{font-size:17px;color:var(--c-sub);margin:0 auto 26px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:28px}
.hero-chips a{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--c-border);font-size:13px;color:var(--c-sub);
  transition:all .25s var(--ease);
}
.hero-chips a:hover{border-color:var(--c-primary);color:var(--c-primary-d);background:var(--c-primary-soft)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0 0}
.section-head{max-width:720px;margin:0 auto 40px;text-align:center}
.section-head.left{margin-left:0;text-align:left}
.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700}
.section-sub{font-size:15px;color:var(--c-sub);margin:12px 0 0}

.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;white-space:nowrap;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex:none}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent);border:1px solid rgba(14,124,107,.25)}
.badge-amber{background:#FEF3E0;color:#A9680B;border:1px solid rgba(245,165,36,.4)}

/* ---------- Bento 卡片墙 ---------- */
.bento{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.bento-wide{
  grid-column:span 2;display:grid;grid-template-columns:1.05fr 1fr;
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.bento-wide:hover{transform:translateY(-2px);border-color:rgba(224,69,44,.24);box-shadow:var(--sh-2)}
.bento-wide figure{position:relative;margin:0;min-height:100%}
.bento-wide figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.bento-wide figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(224,69,44,.22) 0%,rgba(245,165,36,.12) 100%);
  mix-blend-mode:multiply;
}
.bento-wide-body{padding:32px;display:flex;flex-direction:column;gap:14px;justify-content:center}
.bento-wide-body h3{font-size:22px}
.bento-wide-body p{font-size:15px;color:var(--c-sub);margin:0}
.bento-card{
  position:relative;display:flex;flex-direction:column;gap:12px;padding:26px;
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.bento-card:hover{transform:translateY(-2px);border-color:rgba(224,69,44,.24);box-shadow:var(--sh-2)}
.bento-card h3{font-size:19px}
.bento-card p{font-size:15px;color:var(--c-sub);margin:0;flex:1}
.bento-icon{
  width:44px;height:44px;border-radius:var(--r-sm);display:grid;place-items:center;
  background:var(--c-accent-soft);color:var(--c-accent);flex:none;
}
.bento-card .badge{align-self:flex-start}

/* ---------- 准备清单 ---------- */
.prep{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.prep-list{list-style:none;display:grid;gap:14px}
.prep-list li{
  display:flex;gap:14px;padding:18px 22px;background:var(--c-card);
  border:1px solid var(--c-border);border-radius:var(--r-md);box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.prep-list li:hover{transform:translateY(-2px);border-color:rgba(224,69,44,.24);box-shadow:var(--sh-2)}
.prep-index{
  flex:none;width:32px;height:32px;border-radius:999px;border:1.5px solid var(--c-primary);
  color:var(--c-primary-d);display:grid;place-items:center;font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.prep-list b{display:block;font-size:16px;margin-bottom:2px}
.prep-list span{font-size:14px;color:var(--c-sub);line-height:1.7}
.prep-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--c-border)}
.prep-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.prep-media .badge{position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.92);border-color:var(--c-border)}

/* ---------- 清单表 ---------- */
.table-shell{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-border);background:var(--c-card);box-shadow:var(--sh-1)}
.table-scroll{overflow-x:auto}
.table-scroll::after{
  content:"";position:sticky;right:0;display:block;width:0;
}
table{width:100%;min-width:760px;border-collapse:collapse}
caption{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
th{
  background:var(--c-primary-soft);color:var(--c-primary-d);font-size:14px;font-weight:600;
  text-align:left;padding:16px 22px;white-space:nowrap;
}
td{padding:16px 22px;font-size:15px;border-top:1px solid var(--c-border);color:var(--c-ink)}
tbody tr:nth-child(even){background:#FBF7F3}
tbody tr{transition:background .25s var(--ease)}
tbody tr:hover{background:#FFF6F1}
td .badge{background:var(--c-accent-soft);color:var(--c-accent);border:1px solid rgba(14,124,107,.25)}
.table-hint{font-size:13px;color:var(--c-muted);margin-top:14px;text-align:center}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;display:grid;gap:12px}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-md);overflow:hidden;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item:hover{border-color:rgba(224,69,44,.24)}
.faq-item.is-open{border-color:rgba(224,69,44,.28);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 24px;font-size:16px;font-weight:600;text-align:left;
}
.faq-q:focus-visible{outline:3px solid rgba(224,69,44,.35);outline-offset:-3px}
.faq-icon{flex:none;width:22px;height:22px;color:var(--c-primary);transition:transform .3s var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a p{padding:0 24px 20px;margin:0;font-size:15px;line-height:1.8;color:var(--c-sub)}

/* ---------- CTA 条 ---------- */
.cta-band{
  margin-top:88px;
}
.cta-inner{
  border-radius:var(--r-lg);padding:36px 40px;
  border:1.5px solid transparent;
  background-image:linear-gradient(#FFFFFF,#FFFFFF),var(--grad-brand);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:var(--sh-1);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-inner p{margin:6px 0 0;font-size:15px;color:var(--c-sub)}
.cta-title{font-size:22px;font-weight:700}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:96px;background:#1A1B1F;color:#C7CBD3;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand)}
.footer-inner{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:56px 24px 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:34px;height:34px;font-size:16px}
.footer-brand .brand-text b{color:#fff;font-size:16px}
.footer-brand .brand-text span{color:#8C93A1;font-size:12px}
.site-footer p{font-size:14px;line-height:1.8;color:#9AA0AC;margin:0}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-chips{display:flex;flex-wrap:wrap;gap:10px}
.footer-chips a{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  font-size:13px;color:#D3D7DE;transition:all .25s var(--ease);
}
.footer-chips a:hover{background:rgba(224,69,44,.18);border-color:rgba(224,69,44,.5);color:#fff}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:#C7CBD3}
.footer-links a:hover{color:#fff}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  padding:20px 24px 32px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#8C93A1;
}
.footer-bottom a{color:#A9AFBA}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-chips,.header-actions{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding-top:64px}
  .bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bento-wide{grid-column:span 2}
  .prep{grid-template-columns:1fr;gap:32px}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px;padding:48px 24px 32px}
  .cta-band{margin-top:64px}
  .site-footer{margin-top:72px}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .section{padding-top:44px}
  .hero{padding:16px 0 48px}
  .hero-actions .btn{width:100%}
  .bento{grid-template-columns:minmax(0,1fr)}
  .bento-wide{grid-column:span 1;grid-template-columns:minmax(0,1fr)}
  .bento-wide figure img{aspect-ratio:16/9}
  .bento-wide-body{padding:24px}
  .bento-card{padding:22px}
  .cta-inner{padding:26px 22px;flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .footer-inner{grid-template-columns:minmax(0,1fr);padding:40px 16px 28px}
  .footer-bottom{padding:18px 16px 28px;flex-direction:column;align-items:flex-start}
  .faq-q{padding:14px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
}

/* roulang page: category3 */
:root{
  --c-primary:#E0452C;
  --c-primary-d:#B32E1B;
  --c-primary-soft:#FDEBE6;
  --c-accent:#0E7C6B;
  --c-accent-soft:#E6F4F1;
  --c-amber:#F5A524;
  --c-bg:#FDF8F4;
  --c-bg-2:#F2EAE2;
  --c-card:#FFFFFF;
  --c-ink:#17181C;
  --c-ink-2:#5A5F6B;
  --c-weak:#8C93A1;
  --c-line:#EADFD6;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,24,28,.06);
  --sh-2:0 12px 32px -8px rgba(224,69,44,.16);
  --sh-3:0 24px 60px -12px rgba(23,24,28,.24);
  --grad-brand:linear-gradient(135deg,#E0452C,#F5A524);
  --grad-data:linear-gradient(135deg,#0E7C6B,#12A38C);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--c-bg);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-alt{background:var(--c-bg-2)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--c-primary-d);background:var(--c-primary-soft);
  border:1px solid rgba(224,69,44,.22);border-radius:var(--r-pill);
  padding:6px 14px;line-height:1.4;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary)}
h2.block-title{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.2px}
.block-desc{color:var(--c-ink-2);font-size:15px;max-width:640px;margin-top:10px}
.muted{color:var(--c-ink-2)}
a:focus-visible,button:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(224,69,44,.35);border-radius:var(--r-pill)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.85);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-2);border-bottom-color:var(--c-line);background:rgba(255,255,255,.94)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:74px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-height:44px}
.logo-mark{
  width:36px;height:36px;border-radius:var(--r-sm);
  background:var(--grad-brand);color:#fff;font-weight:800;font-size:18px;
  display:grid;place-items:center;box-shadow:var(--sh-1);flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.18}
.logo-text b{font-size:16px;font-weight:800;letter-spacing:-.2px}
.logo-text span{font-size:12px;color:var(--c-weak);letter-spacing:.02em}
.nav-chips{display:none;align-items:center;gap:6px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;
  border-radius:var(--r-pill);font-size:14px;color:var(--c-ink-2);
  white-space:nowrap;transition:background .25s var(--ease),color .25s var(--ease),box-shadow .25s var(--ease);
}
.chip:hover{background:var(--c-primary-soft);color:var(--c-primary-d)}
.chip.is-active{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.nav-toggle{
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1.5px solid var(--c-line);display:grid;place-items:center;gap:4px;
  background:#fff;transition:border-color .25s var(--ease),background .25s var(--ease);
}
.nav-toggle:hover{border-color:var(--c-primary);background:var(--c-primary-soft)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:14px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease);
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-2)}
.btn-primary:hover{filter:brightness(.95) saturate(1.06);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.92)}
.btn-secondary{background:#fff;border:1.5px solid var(--c-line);color:var(--c-ink)}
.btn-secondary:hover{border-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary-d)}
.btn-secondary:active{transform:translateY(1px)}
.btn-sm{min-height:40px;padding:10px 20px;font-size:14px}
.btn-ghost-sm{
  min-height:40px;padding:10px 16px;font-size:14px;color:var(--c-ink-2);
  border-radius:var(--r-pill);transition:color .25s var(--ease),background .25s var(--ease);
}
.btn-ghost-sm:hover{color:var(--c-primary-d);background:var(--c-primary-soft)}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--c-primary-d);min-height:44px;position:relative;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:10px;height:2px;width:0;
  background:var(--c-primary);transition:width .3s var(--ease);
}
.link-arrow:hover::after{width:calc(100% - 22px)}
.link-arrow svg{transition:transform .25s var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,24,28,.45);opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:60;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);z-index:70;
  background:#fff;box-shadow:var(--sh-3);transform:translateX(100%);
  transition:transform .3s var(--ease);display:flex;flex-direction:column;
  padding:20px 20px 28px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--c-line)}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-sm);border:1.5px solid var(--c-line);
  font-size:22px;line-height:1;color:var(--c-ink-2);display:grid;place-items:center;
  transition:border-color .25s var(--ease),color .25s var(--ease),background .25s var(--ease);
}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary-d);background:var(--c-primary-soft)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin:18px 0 22px}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-left:4px solid transparent;
  border-radius:var(--r-sm);font-size:15px;color:var(--c-ink-2);
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.drawer-nav a:hover{background:var(--c-primary-soft);color:var(--c-primary-d)}
.drawer-nav a.is-active{background:var(--c-primary-soft);color:var(--c-primary-d);border-left-color:var(--c-primary);font-weight:600}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:auto}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-weak)}
.crumbs a{color:var(--c-ink-2);transition:color .25s var(--ease)}
.crumbs a:hover{color:var(--c-primary-d)}
.crumbs .sep{color:var(--c-line)}
.crumbs .current{color:var(--c-primary-d);font-weight:600}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:36px 0 72px;
  background:linear-gradient(180deg,#FDF8F4 0%,#F6EDE6 100%);
}
.hero::before{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(224,69,44,.14),rgba(245,165,36,.05) 58%,transparent 72%);
  pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1fr;gap:36px;align-items:center;margin-top:22px}
.hero-copy h1{
  font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.5px;margin:18px 0 16px;
}
.hero-copy h1 em{font-style:normal;color:var(--c-primary-d)}
.hero-sub{font-size:17px;color:var(--c-ink-2);max-width:560px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.badge{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;line-height:1.6;
  padding:6px 14px;border-radius:var(--r-pill);
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex:0 0 auto}
.badge-accent{color:var(--c-accent);background:var(--c-accent-soft);border:1px solid rgba(14,124,107,.24)}
.badge-amber{color:#8A5A05;background:#FEF4E2;border:1px solid rgba(245,165,36,.4)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-2);background:#fff;
}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(224,69,44,.28),rgba(245,165,36,.08) 55%,rgba(23,24,28,.16));
  mix-blend-mode:multiply;pointer-events:none;
}
.hero-media-tag{
  position:absolute;left:20px;bottom:20px;z-index:2;
  background:rgba(255,255,255,.92);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:12px 16px;box-shadow:var(--sh-1);backdrop-filter:blur(8px);
}
.hero-media-tag b{display:block;font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2}
.hero-media-tag span{font-size:12px;color:var(--c-ink-2)}
.anchor-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.anchor-chips a{
  display:inline-flex;align-items:center;min-height:40px;padding:8px 16px;border-radius:var(--r-pill);
  font-size:14px;color:var(--c-ink-2);background:#fff;border:1px solid var(--c-line);
  transition:border-color .25s var(--ease),color .25s var(--ease),background .25s var(--ease),transform .25s var(--ease);
}
.anchor-chips a:hover{border-color:var(--c-primary);color:var(--c-primary-d);background:var(--c-primary-soft);transform:translateY(-1px)}

/* ---------- 时间轴布局 ---------- */
.timeline-layout{display:grid;grid-template-columns:1fr;gap:32px;align-items:start}
.anchor-nav{display:none}
.anchor-nav-inner{
  position:sticky;top:100px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-md);box-shadow:var(--sh-1);padding:16px 8px 16px 0;
}
.anchor-nav-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--c-weak);padding:0 16px 10px}
.anchor-nav a{
  display:block;padding:10px 16px;border-left:2px solid var(--c-line);
  font-size:14px;color:var(--c-ink-2);
  transition:color .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
}
.anchor-nav a:hover{color:var(--c-primary-d);border-left-color:var(--c-primary);background:var(--c-primary-soft)}
.anchor-nav a.is-current{color:var(--c-primary-d);border-left-color:var(--c-primary);background:var(--c-primary-soft);font-weight:600}

.timeline{padding-left:0}
.timeline-item{position:relative;padding-left:64px;padding-bottom:24px}
.timeline-item::before{
  content:"";position:absolute;left:19px;top:46px;bottom:0;width:2px;
  background:var(--c-accent);opacity:.3;
}
.timeline-item:last-child::before{display:none}
.timeline-node{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:var(--r-pill);
  display:grid;place-items:center;font-size:14px;font-weight:700;
  background:#fff;border:2px solid var(--c-accent);color:var(--c-accent);
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.timeline-item.is-active .timeline-node{background:var(--grad-brand);border-color:transparent;color:#fff}
.timeline-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.timeline-card:hover{transform:translateY(-2px);border-color:rgba(224,69,44,.24);box-shadow:var(--sh-2)}
.timeline-card h3{font-size:20px;font-weight:600;line-height:1.35;margin-bottom:8px}
.timeline-card p{font-size:15px;color:var(--c-ink-2);line-height:1.85}
.timeline-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}

/* ---------- 数据概览条 ---------- */
.overview-panel{
  display:grid;grid-template-columns:1fr;gap:0;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.overview-media{position:relative;min-height:220px}
.overview-media img{width:100%;height:100%;min-height:220px;object-fit:cover}
.overview-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(14,124,107,.22),rgba(224,69,44,.12));
}
.overview-body{padding:28px 24px;display:grid;gap:18px}
.overview-stat{display:flex;align-items:flex-start;gap:14px;padding-bottom:16px;border-bottom:1px dashed var(--c-line)}
.overview-stat:last-child{border-bottom:0;padding-bottom:0}
.overview-stat .dot{
  width:38px;height:38px;border-radius:var(--r-sm);flex:0 0 auto;display:grid;place-items:center;
  background:var(--c-accent-soft);color:var(--c-accent);font-size:14px;font-weight:700;
}
.overview-stat b{display:block;font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.3}
.overview-stat span{font-size:13px;color:var(--c-ink-2)}

/* ---------- 节奏表 ---------- */
.table-shell{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.data-table{width:100%;border-collapse:collapse;min-width:640px;font-size:15px}
.data-table thead th{
  background:var(--c-primary-soft);color:var(--c-primary-d);
  font-size:14px;font-weight:600;text-align:left;padding:14px 20px;white-space:nowrap;
}
.data-table tbody td{padding:14px 20px;border-top:1px solid var(--c-line);color:var(--c-ink-2);vertical-align:top}
.data-table tbody tr:nth-child(even){background:#FCF7F3}
.data-table tbody tr:hover{background:var(--c-primary-soft)}
.data-table tbody td:first-child{color:var(--c-ink);font-weight:600}
.data-table .num{font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item.is-open{border-color:rgba(224,69,44,.28);box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 24px;text-align:left;font-size:16px;font-weight:600;line-height:1.5;
}
.faq-q:hover{color:var(--c-primary-d)}
.faq-icon{
  width:26px;height:26px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;
  background:var(--c-primary-soft);color:var(--c-primary-d);font-size:16px;line-height:1;
  transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--grad-brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a-inner{padding:0 24px 20px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);border:1px solid rgba(224,69,44,.22);
  background:linear-gradient(135deg,#FFF4EF 0%,#FDF0E2 100%);
  padding:32px 28px;display:grid;gap:22px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:var(--grad-brand);
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.35}
.cta-band p{font-size:15px;color:var(--c-ink-2);margin-top:8px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:#1A1B1F;color:#C9CCD4;margin-top:88px;
  padding:56px 0 28px;font-size:14px;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;height:3px;width:100%;background:var(--grad-brand)}
.footer-inner{display:grid;grid-template-columns:1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.brand-mark{
  width:36px;height:36px;border-radius:var(--r-sm);background:var(--grad-brand);
  color:#fff;font-weight:800;display:grid;place-items:center;font-size:18px;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-text b{color:#fff;font-size:16px;font-weight:800}
.brand-text span{font-size:12px;color:var(--c-weak)}
.site-footer p{color:#9AA0AC;line-height:1.8}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
.footer-chips{display:flex;flex-wrap:wrap;gap:10px}
.footer-chips a{
  display:inline-flex;align-items:center;min-height:36px;padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.16);font-size:13px;color:#C9CCD4;
  transition:border-color .25s var(--ease),color .25s var(--ease),background .25s var(--ease);
}
.footer-chips a:hover{color:#fff;border-color:rgba(224,69,44,.7);background:rgba(224,69,44,.16)}
.footer-links{display:grid;gap:10px}
.footer-links a{color:#9AA0AC;transition:color .25s var(--ease);display:inline-block;min-height:24px}
.footer-links a:hover{color:#fff}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#7E8593;
}
.footer-bottom a{color:#9AA0AC;transition:color .25s var(--ease)}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  .overview-panel{grid-template-columns:1.05fr .95fr}
  .overview-body{padding:32px 28px}
  .cta-band{grid-template-columns:1.4fr auto;padding:36px 32px}
  .cta-actions{justify-content:flex-end}
  .footer-inner{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:1024px){
  .nav-chips{display:flex}
  .nav-toggle{display:none}
  .container{padding:0 24px}
  .hero{padding:44px 0 88px}
  .hero-inner{grid-template-columns:1.15fr .85fr;gap:52px}
  .timeline-layout{grid-template-columns:220px 1fr;gap:48px}
  .anchor-nav{display:block}
  .overview-panel{grid-template-columns:1fr 1fr}
  .footer-inner{grid-template-columns:1.4fr 1fr 1fr 1fr}
  .section{padding:100px 0}
}
@media (min-width:1280px){
  .hero-inner{gap:64px}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .section{padding:44px 0}
  .section--tight{padding:36px 0}
  .hero{padding:24px 0 52px}
  .timeline-item{padding-left:54px}
  .timeline-node{width:36px;height:36px;font-size:13px}
  .timeline-item::before{left:17px;top:42px}
  .timeline-card{padding:20px}
  .hero-media-tag{left:12px;bottom:12px;padding:8px 12px}
  .hero-media-tag b{font-size:16px}
  .hero-media-tag span{font-size:11px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}