/* roulang page: index */
:root{
  --brand:#163F38; --brand-700:#0F2E29; --brand-100:#E3EDEA;
  --accent:#E2603A; --accent-600:#C94E2C; --moss:#6E8464;
  --sand:#F7F4EF; --card:#FFFFFF; --night:#121816; --line:#E6E1D8;
  --text:#1F2422; --text-2:#5C635F; --text-3:#8A918D;
  --radius-card:16px; --radius-btn:10px; --radius-img:12px;
  --shadow-1:0 1px 2px rgba(18,24,22,.06), 0 8px 24px -12px rgba(18,24,22,.18);
  --shadow-2:0 2px 4px rgba(18,24,22,.08), 0 16px 32px -16px rgba(18,24,22,.24);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--sand);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Inter",sans-serif;
  font-size:16px;line-height:28px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(226,96,58,.55);outline-offset:2px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
@media (min-width:768px){.container-x{padding-left:24px;padding-right:24px}}
@media (min-width:1280px){.container-x{padding-left:32px;padding-right:32px}}
.num{font-variant-numeric:tabular-nums}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-shell{display:flex;align-items:center;gap:24px;height:56px}
@media (min-width:768px){.nav-shell{height:64px}}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;letter-spacing:.5px;flex:none;
}
.logo-text{font-size:15px;font-weight:700;color:var(--text);white-space:nowrap}
.nav-links{display:none;align-items:center;gap:28px;margin-left:8px}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-link{
  position:relative;font-size:14px;font-weight:500;color:var(--text-2);
  padding:8px 0;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{
  background:var(--brand-100);color:var(--brand);font-weight:600;
  padding:6px 14px;border-radius:999px;
}
.nav-link.is-active::after{display:none}
.nav-search{
  display:none;align-items:center;gap:8px;background:#F2EFE9;border:1px solid transparent;
  border-radius:999px;padding:0 14px;height:38px;width:224px;transition:border-color .2s ease,background .2s ease;
}
@media (min-width:1024px){.nav-search{display:flex}}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 2px rgba(22,63,56,.14)}
.nav-search input{border:0;background:transparent;outline:none;font-size:13px;width:100%}
.nav-search input::placeholder{color:var(--text-3)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-size:14px;font-weight:600;line-height:1;
  height:44px;padding:0 22px;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px -10px rgba(226,96,58,.9)}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--brand);border:1.5px solid var(--brand)}
.btn-outline:hover{background:rgba(22,63,56,.08)}
.btn-ghost-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7)}
.btn-ghost-light:hover{background:#fff;color:var(--brand);border-color:#fff}
.btn-white{background:#fff;color:var(--brand)}
.btn-white:hover{background:var(--brand-100)}
.btn-block{width:100%}
@media (max-width:767px){.btn{height:48px}}
.burger{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--brand);
}
@media (min-width:1024px){.burger{display:none}}
.drawer{
  position:fixed;inset:0;z-index:80;display:none;
}
.drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(18,24,22,.45)}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:82%;max-width:340px;background:#fff;
  padding:20px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s ease;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 12px;border-radius:10px;font-size:15px;font-weight:500;color:var(--text-2);
}
.drawer-link:hover{background:var(--sand);color:var(--brand)}
.drawer-link.is-active{background:var(--brand-100);color:var(--brand);font-weight:600}

/* 通用板块 */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-title{
  position:relative;font-size:24px;line-height:34px;font-weight:700;letter-spacing:-.2px;padding-left:16px;
}
@media (min-width:768px){.section-title{font-size:26px;line-height:36px}}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:20px;border-radius:2px;background:var(--brand);
}
.section-sub{color:var(--text-2);font-size:14px;margin-top:8px;max-width:640px}
.text-link{
  color:var(--brand);font-weight:600;font-size:14px;
  text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;
  transition:color .2s ease;
}
.text-link:hover{color:var(--accent)}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;white-space:nowrap;
}
.badge-cat{background:var(--brand-100);color:var(--brand)}
.badge-hot{background:var(--accent);color:#fff}
.badge-moss{background:rgba(110,132,100,.16);color:#4C6144}
.badge-light{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.28)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#DAD3C6}
.card-media{position:relative;overflow:hidden;aspect-ratio:4/3;background:#EDE9E1}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-media .corner{position:absolute;top:12px;left:12px;display:flex;gap:6px}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:18px;line-height:28px;font-weight:600}
.card-note{font-size:13px;line-height:20px;color:var(--text-3)}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:4px}
.price{color:var(--brand);font-weight:700;font-size:18px}
.btn-mini{
  height:36px;padding:0 14px;border-radius:10px;font-size:13px;font-weight:600;
  border:1.5px solid var(--brand);color:var(--brand);background:transparent;
  display:inline-flex;align-items:center;transition:all .2s ease;
}
.card:hover .btn-mini{background:var(--accent);border-color:var(--accent);color:#fff}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.clamp4{display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.divider{height:1px;background:var(--line);border:0}

/* Hero */
.hero{background:var(--brand);color:#F7F4EF;position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:rgba(226,96,58,.14);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;gap:40px;padding:56px 0 64px}
@media (min-width:1024px){.hero-inner{grid-template-columns:1fr 1fr;gap:56px;padding:72px 0 80px;min-height:520px;align-items:center}}
.hero h1{font-size:30px;line-height:38px;font-weight:700;letter-spacing:-.4px;margin:18px 0 16px}
@media (min-width:768px){.hero h1{font-size:40px;line-height:48px}}
.hero-sub{color:rgba(247,244,239,.82);font-size:16px;line-height:28px;max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
@media (max-width:767px){.hero-cta .btn{width:100%}}
.hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:36px;padding-top:28px;border-top:1px solid rgba(247,244,239,.18)}
@media (min-width:768px){.hero-stats{grid-template-columns:repeat(4,1fr)}}
.hero-stats dt{font-size:20px;font-weight:700;color:#fff}
.hero-stats dd{margin:6px 0 0;font-size:13px;color:rgba(247,244,239,.7)}
.hero-figure{border-radius:var(--radius-img);overflow:hidden;box-shadow:0 24px 48px -24px rgba(0,0,0,.55);aspect-ratio:4/3}
.hero-figure img{width:100%;height:100%;object-fit:cover}
@media (max-width:1023px){.hero-figure{aspect-ratio:16/9;max-height:280px}}

/* 保障条 */
.assure{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.assure-grid{display:grid;grid-template-columns:repeat(2,1fr)}
@media (min-width:768px){.assure-grid{grid-template-columns:repeat(4,1fr)}}
.assure-item{padding:22px 18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:flex-start}
@media (min-width:768px){.assure-item{border-bottom:0}}
.assure-item:nth-child(2n){border-right:0}
@media (min-width:768px){.assure-item:nth-child(2n){border-right:1px solid var(--line)}}
.assure-item:last-child{border-right:0}
.assure-ico{width:36px;height:36px;border-radius:10px;background:var(--brand-100);color:var(--brand);display:flex;align-items:center;justify-content:center;flex:none}
.assure-label{font-size:14px;font-weight:600}
.assure-desc{font-size:12px;line-height:18px;color:var(--text-3);margin-top:2px}

/* 横向滚动评价 */
.rail-wrap{position:relative}
.rail{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 12px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  scroll-snap-align:start;flex:0 0 88%;max-width:320px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-1);
}
@media (min-width:640px){.rail-card{flex:0 0 320px}}
.rail-arrow{
  width:40px;height:40px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;transition:all .2s ease;
}
.rail-arrow:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.avatar{width:40px;height:40px;border-radius:999px;object-fit:cover;background:var(--brand-100)}
.stars{color:var(--accent);font-size:13px;letter-spacing:2px}

/* CMS 列表 */
.cms-item{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);
  transition:background .2s ease;border-radius:10px;
}
.cms-item:hover{background:rgba(255,255,255,.7)}
.cms-thumb{width:120px;height:84px;border-radius:10px;object-fit:cover;flex:none;background:#EDE9E1}
.cms-title{font-size:16px;line-height:26px;font-weight:600;transition:color .2s ease}
.cms-item:hover .cms-title{color:var(--brand)}
.cms-sum{font-size:13px;line-height:21px;color:var(--text-2);margin-top:6px}
.cms-meta{display:flex;align-items:center;gap:12px;margin-top:10px;font-size:12px;color:var(--text-3)}
.aside-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-1)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  font-size:12px;font-weight:500;padding:6px 12px;border-radius:999px;background:var(--sand);
  color:var(--text-2);border:1px solid var(--line);transition:all .2s ease;
}
.tag-cloud a:hover{background:var(--brand-100);color:var(--brand);border-color:#CFE0DA}
.rank-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.rank-item:last-child{border-bottom:0}
.rank-no{font-size:13px;font-weight:700;color:var(--accent);width:20px;flex:none;line-height:22px}
.rank-title{font-size:14px;line-height:22px;font-weight:500;transition:color .2s ease}
.rank-item:hover .rank-title{color:var(--brand)}
.empty-state{
  background:rgba(255,255,255,.75);border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:44px 20px;text-align:center;color:var(--text-3);
}

/* CTA 横幅 */
.cta-band{background:var(--night);color:#fff}
.cta-inner{display:grid;gap:28px;padding:64px 0}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.4fr 1fr;align-items:center;padding:72px 0}}
.cta-inner h2{font-size:24px;line-height:34px;font-weight:700}
@media (min-width:768px){.cta-inner h2{font-size:32px;line-height:42px}}
.cta-inner p{color:rgba(247,244,239,.8);margin-top:12px;font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:767px){.cta-actions .btn{width:100%}}

/* FAQ */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line);background:transparent}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;font-size:16px;font-weight:600;cursor:pointer;
}
.faq-q::-webkit-details-marker{display:none}
.faq-plus{
  width:24px;height:24px;flex:none;display:flex;align-items:center;justify-content:center;
  color:var(--brand);transition:transform .3s ease;
}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-a{padding:0 4px 22px;color:var(--text-2);font-size:15px;line-height:28px;max-width:680px}

/* 页脚 */
.site-footer{background:var(--night);color:rgba(247,244,239,.72);font-size:13px;line-height:22px}
.footer-grid{display:grid;gap:32px;padding:56px 0 32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.4fr;padding:64px 0 40px}}
.footer-title{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px}
.footer-link{display:block;padding:5px 0;transition:color .2s ease}
.footer-link:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(247,244,239,.14);padding:20px 0;display:flex;flex-wrap:wrap;
  gap:12px;justify-content:space-between;align-items:center;font-size:12px;color:rgba(247,244,239,.55);
}
.subscribe{display:flex;gap:8px;flex-wrap:wrap}
.subscribe input{
  flex:1 1 160px;height:44px;border-radius:10px;border:1px solid rgba(247,244,239,.22);
  background:rgba(255,255,255,.06);padding:0 14px;color:#fff;font-size:13px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.subscribe input::placeholder{color:rgba(247,244,239,.45)}
.subscribe input:focus{border-color:rgba(226,96,58,.8);box-shadow:0 0 0 3px rgba(226,96,58,.22)}
.social{display:flex;gap:10px;margin-top:18px}
.social a{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(247,244,239,.2);
  display:flex;align-items:center;justify-content:center;color:rgba(247,244,239,.8);transition:all .2s ease;
}
.social a:hover{background:#fff;color:var(--brand);border-color:#fff}

/* 移动端底部操作条 */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line);
  padding:8px 16px;display:flex;gap:10px;align-items:center;height:56px;
}
@media (min-width:768px){.mobile-bar{display:none}}
@media (max-width:767px){body{padding-bottom:56px}}

/* roulang page: category1 */
:root{
    --brand:#163F38; --brand-700:#0F2E29; --brand-100:#E3EDEA;
    --accent:#E2603A; --accent-600:#C94E2C; --moss:#6E8464;
    --sand:#F7F4EF; --card:#FFFFFF; --dark:#121816; --line:#E6E1D8;
    --text:#1F2422; --text-2:#5C635F; --text-3:#8A918D;
    --r-card:16px; --r-btn:10px; --r-img:12px; --r-pill:999px;
    --sh1:0 1px 2px rgba(18,24,22,.06), 0 8px 24px -12px rgba(18,24,22,.18);
    --sh2:0 2px 4px rgba(18,24,22,.08), 0 16px 32px -16px rgba(18,24,22,.24);
    --font:-apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Inter", sans-serif;
  }

  *,*::before,*::after{ box-sizing:border-box; }
  html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
  body{
    margin:0; background:var(--sand); color:var(--text);
    font-family:var(--font); font-size:16px; line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{ max-width:100%; display:block; }
  a{ color:var(--brand); text-decoration:none; }
  button,input,select,textarea{ font-family:inherit; font-size:inherit; }
  h1,h2,h3,h4,p,ul,ol,figure{ margin:0; }
  ul,ol{ padding-left:0; list-style:none; }
  .tabular{ font-variant-numeric:tabular-nums; }
  :focus-visible{ outline:2px solid rgba(22,63,56,.5); outline-offset:2px; }

  .container-x{ width:100%; max-width:1200px; margin:0 auto; padding-left:16px; padding-right:16px; }
  @media (min-width:768px){ .container-x{ padding-left:24px; padding-right:24px; } }
  @media (min-width:1024px){ .container-x{ padding-left:32px; padding-right:32px; } }

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky; top:0; z-index:60; background:#fff;
    border-bottom:1px solid var(--line); transition:box-shadow .25s ease;
  }
  .site-header.is-scrolled{ box-shadow:var(--sh1); }
  .nav-shell{ display:flex; align-items:center; gap:20px; height:56px; }
  @media (min-width:1024px){ .nav-shell{ height:64px; } }
  .logo-mark{
    width:36px; height:36px; border-radius:10px; background:var(--brand); color:#fff;
    display:grid; place-items:center; font-weight:700; font-size:14px; letter-spacing:.5px; flex:none;
  }
  .logo-text{ font-size:15px; font-weight:700; color:var(--text); white-space:nowrap; }
  .nav-links{ display:none; align-items:center; gap:8px; margin-left:12px; }
  @media (min-width:1024px){ .nav-links{ display:flex; gap:12px; } }
  .nav-link{
    position:relative; display:inline-flex; align-items:center; height:34px; padding:0 12px;
    font-size:14px; font-weight:500; color:var(--text-2); border-radius:var(--r-pill);
    transition:color .2s ease, background-color .2s ease;
  }
  .nav-link:hover{ color:var(--brand); background:#F2EFE9; }
  .nav-link.is-active{ background:var(--brand-100); color:var(--brand); font-weight:600; }
  .nav-link.is-active::after{
    content:""; position:absolute; left:50%; bottom:-1px; transform:translateX(-50%);
    width:18px; height:2px; background:var(--brand); border-radius:2px;
  }
  .nav-search{
    display:none; align-items:center; gap:8px; width:224px; height:36px; padding:0 12px;
    background:#F2EFE9; border-radius:var(--r-pill); transition:box-shadow .2s ease;
  }
  @media (min-width:1024px){ .nav-search{ display:flex; } }
  .nav-search:focus-within{ box-shadow:0 0 0 2px rgba(22,63,56,.28); }
  .nav-search input{ flex:1; min-width:0; background:transparent; border:0; outline:0; font-size:13px; color:var(--text); }
  .nav-search input::placeholder{ color:var(--text-3); }
  .burger{
    width:40px; height:40px; display:grid; place-items:center; background:#fff;
    border:1px solid var(--line); border-radius:10px; color:var(--brand); cursor:pointer;
  }
  @media (min-width:1024px){ .burger{ display:none; } }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    height:44px; padding:0 24px; border-radius:var(--r-btn); border:1.5px solid transparent;
    font-size:15px; font-weight:600; cursor:pointer; white-space:nowrap;
    transition:background-color .2s ease, color .2s ease, border-color .2s ease, transform .15s ease, box-shadow .2s ease;
  }
  .btn-primary{ background:var(--accent); color:#fff; }
  .btn-primary:hover{ background:var(--accent-600); transform:translateY(-1px); }
  .btn-primary:active{ transform:translateY(1px); }
  .btn-primary:focus-visible{ box-shadow:0 0 0 3px rgba(226,96,58,.32); }
  .btn-outline{ background:transparent; border-color:var(--brand); color:var(--brand); }
  .btn-outline:hover{ background:rgba(22,63,56,.08); }
  .btn-light{ background:transparent; border-color:rgba(255,255,255,.7); color:#fff; }
  .btn-light:hover{ background:#fff; color:var(--brand); border-color:#fff; }
  @media (max-width:767px){ .btn{ height:48px; } }

  /* ---------- 徽章 / 标签 ---------- */
  .badge{
    display:inline-flex; align-items:center; height:24px; padding:0 10px; border-radius:var(--r-pill);
    font-size:12px; font-weight:600; line-height:1;
  }
  .badge-brand{ background:var(--brand-100); color:var(--brand); }
  .badge-accent{ background:var(--accent); color:#fff; }
  .badge-moss{ background:rgba(110,132,100,.14); color:#4F6248; }
  .badge-line{ background:#fff; border:1px solid var(--line); color:var(--text-2); }

  /* ---------- 通用区块 ---------- */
  .section{ padding-top:56px; padding-bottom:56px; }
  @media (min-width:1024px){ .section{ padding-top:88px; padding-bottom:88px; } }
  .sec-title{ display:flex; align-items:center; gap:12px; font-size:24px; font-weight:700; letter-spacing:-.2px; }
  @media (min-width:1024px){ .sec-title{ font-size:26px; } }
  .sec-title::before{ content:""; width:4px; height:20px; background:var(--brand); border-radius:2px; flex:none; }
  .sec-sub{ margin-top:10px; color:var(--text-2); font-size:15px; }

  /* ---------- 面包屑 ---------- */
  .crumb{ display:flex; align-items:center; gap:8px; font-size:13px; color:var(--text-3); }
  .crumb a{ color:var(--text-2); }
  .crumb a:hover{ color:var(--brand); }
  .crumb .sep{ color:var(--text-3); }
  .crumb .now{ color:var(--text-3); }

  /* ---------- 分类 Banner ---------- */
  .cat-banner{
    position:relative; overflow:hidden; background:var(--brand); color:#fff;
    background-image:linear-gradient(100deg, rgba(15,46,41,.96) 0%, rgba(15,46,41,.86) 48%, rgba(15,46,41,.62) 100%), url('/assets/images/backpic/back-2.webp');
    background-size:cover; background-position:center;
  }
  .cat-banner-inner{ padding-top:48px; padding-bottom:48px; text-align:left; }
  @media (min-width:1024px){ .cat-banner-inner{ padding-top:72px; padding-bottom:72px; } }
  .cat-banner h1{ font-size:30px; line-height:1.35; font-weight:700; letter-spacing:-.4px; margin-top:16px; max-width:760px; }
  @media (min-width:1024px){ .cat-banner h1{ font-size:40px; line-height:1.25; } }
  .cat-banner p{ margin-top:16px; max-width:720px; color:rgba(247,244,239,.86); font-size:16px; }
  .cat-stats{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px; margin-top:32px; max-width:760px; }
  @media (min-width:768px){ .cat-stats{ grid-template-columns:repeat(4,minmax(0,1fr)); } }
  .cat-stat{ border-top:1px solid rgba(255,255,255,.24); padding-top:12px; }
  .cat-stat b{ display:block; font-size:22px; font-weight:700; }
  .cat-stat span{ display:block; margin-top:4px; font-size:12px; color:rgba(247,244,239,.72); }

  /* ---------- 主体：目录 + 列表 ---------- */
  .layout{ display:grid; grid-template-columns:1fr; gap:32px; }
  @media (min-width:1024px){ .layout{ grid-template-columns:4fr 8fr; gap:40px; } }
  .toc{ align-self:start; }
  @media (min-width:1024px){ .toc{ position:sticky; top:88px; } }
  .toc-card{
    background:#fff; border:1px solid var(--line); border-radius:var(--r-card);
    box-shadow:var(--sh1); padding:20px;
  }
  .toc-title{ font-size:13px; font-weight:600; color:var(--text-3); letter-spacing:.6px; }
  .toc-list{ margin-top:12px; display:flex; flex-direction:column; }
  .toc-list a{
    display:flex; align-items:center; justify-content:space-between; gap:10px;
    padding:10px 10px; font-size:14px; color:var(--text-2); border-radius:8px;
    transition:background-color .2s ease, color .2s ease;
  }
  .toc-list a:hover{ background:var(--brand-100); color:var(--brand); }
  .toc-list a .no{ font-size:12px; color:var(--text-3); font-variant-numeric:tabular-nums; }
  .toc-note{ margin-top:16px; padding-top:16px; border-top:1px solid var(--line); font-size:13px; color:var(--text-2); }

  .idx-item{
    display:grid; grid-template-columns:1fr; gap:16px;
    padding:24px 0; border-bottom:1px solid var(--line);
  }
  @media (min-width:640px){ .idx-item{ grid-template-columns:200px 1fr; gap:24px; align-items:start; } }
  .idx-item:first-child{ padding-top:0; }
  .idx-thumb{ border-radius:var(--r-img); overflow:hidden; background:#fff; border:1px solid var(--line); }
  .idx-thumb img{ width:100%; aspect-ratio:10/7; object-fit:cover; transition:transform .3s ease; }
  .idx-item:hover .idx-thumb img{ transform:scale(1.03); }
  .idx-head{ display:flex; flex-wrap:wrap; align-items:center; gap:10px; }
  .idx-head h3{ font-size:18px; font-weight:700; line-height:1.5; }
  .idx-desc{ margin-top:10px; font-size:15px; color:var(--text-2); }
  .idx-points{ margin-top:12px; display:flex; flex-direction:column; gap:6px; }
  .idx-points li{ position:relative; padding-left:18px; font-size:14px; color:var(--text-2); }
  .idx-points li::before{
    content:""; position:absolute; left:0; top:9px; width:6px; height:6px;
    border-radius:2px; background:var(--moss);
  }
  .idx-foot{ margin-top:14px; display:flex; flex-wrap:wrap; align-items:center; gap:16px; }
  .idx-spec{ font-size:13px; color:var(--text-3); font-variant-numeric:tabular-nums; }
  .idx-link{ font-size:14px; font-weight:600; color:var(--brand); border-bottom:2px solid var(--brand); padding-bottom:1px; }
  .idx-link:hover{ color:var(--accent); border-color:var(--accent); }

  /* ---------- 流程 ---------- */
  .flow-grid{ display:grid; grid-template-columns:1fr; gap:16px; margin-top:32px; }
  @media (min-width:640px){ .flow-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
  @media (min-width:1024px){ .flow-grid{ grid-template-columns:repeat(4,minmax(0,1fr)); gap:24px; } }
  .flow-card{
    background:#fff; border:1px solid var(--line); border-radius:var(--r-card);
    padding:24px; box-shadow:var(--sh1); transition:transform .25s ease, box-shadow .25s ease;
  }
  .flow-card:hover{ transform:translateY(-4px); box-shadow:var(--sh2); }
  .flow-no{ font-size:13px; font-weight:700; color:var(--accent); font-variant-numeric:tabular-nums; letter-spacing:.6px; }
  .flow-card h3{ margin-top:12px; font-size:17px; font-weight:700; }
  .flow-card p{ margin-top:8px; font-size:14px; color:var(--text-2); }

  /* ---------- FAQ ---------- */
  .faq-wrap{ max-width:800px; margin:32px auto 0; }
  .faq-item{ border-top:1px solid var(--line); }
  .faq-item:last-child{ border-bottom:1px solid var(--line); }
  .faq-item summary{
    display:flex; align-items:center; justify-content:space-between; gap:16px;
    padding:20px 0; font-size:16px; font-weight:600; cursor:pointer; list-style:none;
  }
  .faq-item summary::-webkit-details-marker{ display:none; }
  .faq-item summary .plus{
    flex:none; width:24px; height:24px; display:grid; place-items:center;
    color:var(--brand); transition:transform .3s ease;
  }
  .faq-item[open] summary .plus{ transform:rotate(45deg); }
  .faq-body{ padding:0 0 22px; font-size:15px; color:var(--text-2); }

  /* ---------- CTA 横幅 ---------- */
  .cta-band{ background:var(--dark); color:#fff; }
  .cta-band-inner{
    padding-top:48px; padding-bottom:48px; display:grid; grid-template-columns:1fr; gap:24px; align-items:center;
  }
  @media (min-width:1024px){ .cta-band-inner{ padding-top:64px; padding-bottom:64px; grid-template-columns:2fr 1fr; } }
  .cta-band h2{ font-size:24px; font-weight:700; line-height:1.4; }
  @media (min-width:1024px){ .cta-band h2{ font-size:30px; } }
  .cta-band p{ margin-top:12px; color:rgba(247,244,239,.78); font-size:15px; max-width:640px; }
  .cta-actions{ display:flex; flex-wrap:wrap; gap:12px; }
  @media (max-width:767px){ .cta-actions .btn{ width:100%; } }

  /* ---------- 咨询表单块 ---------- */
  .quote-card{
    background:#fff; border:1px solid var(--line); border-radius:var(--r-card);
    box-shadow:var(--sh1); padding:24px;
  }
  .field-label{ display:block; font-size:13px; font-weight:500; color:var(--text-2); margin-bottom:6px; }
  .field{
    width:100%; height:44px; border:1px solid var(--line); border-radius:10px;
    padding:0 14px; background:#fff; color:var(--text); outline:0;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .field:focus{ border-color:var(--brand); box-shadow:0 0 0 2px rgba(22,63,56,.18); }
  textarea.field{ height:96px; padding:12px 14px; resize:vertical; }

  /* ---------- 页脚 ---------- */
  .site-footer{ background:var(--dark); color:rgba(247,244,239,.78); padding-top:56px; font-size:14px; }
  .footer-grid{ display:grid; grid-template-columns:1fr; gap:32px; padding-bottom:40px; }
  @media (min-width:640px){ .footer-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
  @media (min-width:1024px){ .footer-grid{ grid-template-columns:1.4fr 1fr 1fr 1.4fr; gap:40px; } }
  .footer-title{ font-size:14px; font-weight:700; color:#fff; margin-bottom:14px; }
  .footer-link{ display:block; color:rgba(247,244,239,.72); padding:5px 0; }
  .footer-link:hover{ color:#fff; }
  .social{ display:flex; gap:10px; margin-top:20px; }
  .social a{
    width:34px; height:34px; display:grid; place-items:center; border-radius:9px;
    border:1px solid rgba(255,255,255,.18); color:rgba(247,244,239,.8);
    transition:background-color .2s ease, color .2s ease, border-color .2s ease;
  }
  .social a:hover{ background:#fff; color:var(--brand); border-color:#fff; }
  .subscribe{ display:flex; gap:10px; }
  .subscribe input{
    flex:1; min-width:0; height:44px; border-radius:10px; border:1px solid rgba(255,255,255,.16);
    background:rgba(255,255,255,.08); color:#fff; padding:0 14px; outline:0;
  }
  .subscribe input::placeholder{ color:rgba(247,244,239,.5); }
  .subscribe input:focus{ border-color:#fff; box-shadow:0 0 0 2px rgba(255,255,255,.22); }
  .footer-bottom{
    display:flex; flex-wrap:wrap; gap:12px; justify-content:space-between; align-items:center;
    border-top:1px solid rgba(255,255,255,.12); padding-top:20px; padding-bottom:24px;
    font-size:13px; color:rgba(247,244,239,.55);
  }

  /* ---------- 移动抽屉 ---------- */
  .drawer-mask{
    position:fixed; inset:0; background:rgba(18,24,22,.5); opacity:0; pointer-events:none;
    transition:opacity .3s ease; z-index:80;
  }
  .drawer-mask.open{ opacity:1; pointer-events:auto; }
  .drawer{
    position:fixed; top:0; right:0; height:100%; width:82%; max-width:340px; background:#fff;
    transform:translateX(102%); transition:transform .3s ease; z-index:90;
    padding:20px; overflow-y:auto;
  }
  .drawer.open{ transform:translateX(0); }
  .drawer-close{
    width:36px; height:36px; border-radius:10px; border:1px solid var(--line); background:#fff;
    display:grid; place-items:center; color:var(--brand); cursor:pointer; margin-left:auto;
  }
  .drawer-search{
    margin-top:18px; display:flex; align-items:center; gap:8px; height:44px; padding:0 14px;
    background:#F2EFE9; border-radius:var(--r-pill);
  }
  .drawer-search input{ flex:1; min-width:0; border:0; background:transparent; outline:0; font-size:14px; }
  .drawer-links{ margin-top:18px; display:flex; flex-direction:column; }
  .drawer-links a{
    padding:14px 10px; border-bottom:1px solid var(--line); font-size:15px; color:var(--text-2);
  }
  .drawer-links a.is-active{ color:var(--brand); font-weight:600; background:var(--brand-100); border-radius:10px; }
  .drawer-cta{ margin-top:20px; display:flex; flex-direction:column; gap:10px; }

  /* ---------- 移动端底部操作条 ---------- */
  .mobile-bar{
    position:fixed; left:0; right:0; bottom:0; z-index:70; height:56px;
    display:flex; align-items:center; gap:10px; padding:0 16px;
    background:rgba(255,255,255,.96); border-top:1px solid var(--line);
    backdrop-filter:blur(6px);
  }
  @media (min-width:1024px){ .mobile-bar{ display:none; } }
  .mobile-bar .btn{ flex:1; height:40px; padding:0 12px; font-size:14px; }
  body{ padding-bottom:56px; }
  @media (min-width:1024px){ body{ padding-bottom:0; } }

  .anchor-target{ scroll-margin-top:88px; }

/* roulang page: article */
:root{
  --brand:#163F38;
  --brand-700:#0F2E29;
  --brand-100:#E3EDEA;
  --accent:#E2603A;
  --accent-600:#C94E2C;
  --moss:#6E8464;
  --sand:#F7F4EF;
  --card:#FFFFFF;
  --dark:#121816;
  --line:#E6E1D8;
  --text:#1F2422;
  --text-2:#5C635F;
  --text-3:#8A918D;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(18,24,22,.06), 0 8px 24px -12px rgba(18,24,22,.18);
  --shadow-2:0 2px 4px rgba(18,24,22,.08), 0 16px 32px -16px rgba(18,24,22,.24);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background:var(--sand);
  color:var(--text);
  font-size:16px;
  line-height:28px;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font:inherit;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(226,96,58,.2);}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:16px;
  padding-right:16px;
}
@media (min-width:768px){.container-x{padding-left:24px;padding-right:24px;}}
@media (min-width:1280px){.container-x{padding-left:32px;padding-right:32px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-shell{
  display:flex;
  align-items:center;
  gap:14px;
  height:64px;
}
@media (max-width:1023px){.nav-shell{height:56px;}}
.logo-mark{
  width:36px;height:36px;
  border-radius:10px;
  background:var(--brand);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;letter-spacing:.5px;
  flex:0 0 auto;
}
.logo-text{font-size:15px;font-weight:700;color:var(--text);white-space:nowrap;}
.nav-links{display:none;align-items:center;gap:28px;margin-left:20px;}
@media (min-width:1024px){.nav-links{display:flex;}}
.nav-link{
  position:relative;
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 2px;
  white-space:nowrap;
}
.nav-link::after{
  content:'';
  position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);
  transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{
  background:var(--brand-100);
  color:var(--brand);
  padding:6px 12px;
  border-radius:999px;
}
.nav-link.is-active::after{display:none;}
.nav-search{
  display:none;
  align-items:center;
  gap:8px;
  height:38px;
  width:224px;
  background:#F2EFE9;
  border:1px solid transparent;
  border-radius:999px;
  padding:0 14px;
  transition:.2s ease;
}
@media (min-width:1024px){.nav-search{display:flex;}}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,63,56,.12);}
.nav-search input{
  border:0;background:transparent;outline:none;
  font-size:13px;color:var(--text);width:100%;
}
.nav-search input::placeholder{color:var(--text-3);}
.burger{
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;color:var(--text);
  transition:.2s ease;
}
.burger:hover{border-color:var(--brand);color:var(--brand);}
@media (min-width:1024px){.burger{display:none;}}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:60;
  background:rgba(18,24,22,.45);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease, visibility .25s ease;
}
.drawer.open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;
  height:100%;
  width:min(320px,86%);
  background:#fff;
  padding:20px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform .3s ease;
}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-link{
  display:block;
  padding:12px 14px;
  border-radius:10px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
}
.drawer-link:hover{background:var(--brand-100);color:var(--brand);}
.drawer-link.is-active{background:var(--brand-100);color:var(--brand);font-weight:600;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;
  border-radius:var(--r-btn);
  font-size:14px;font-weight:600;
  border:1.5px solid transparent;
  transition:all .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(226,96,58,.35);}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:rgba(22,63,56,.08);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.7);color:#fff;}
.btn-ghost-light:hover{background:#fff;color:var(--brand);border-color:#fff;}
.btn-sm{height:38px;padding:0 16px;font-size:13px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:999px;
  font-size:12px;font-weight:600;
  background:var(--brand-100);
  color:var(--brand);
}
.badge-accent{background:var(--accent);color:#fff;}
.badge-moss{background:rgba(110,132,100,.16);color:var(--moss);}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:32px;}
.tag-label{font-size:13px;color:var(--text-3);}
.tag-pill{
  display:inline-flex;align-items:center;
  height:30px;padding:0 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:13px;color:var(--text-2);
  transition:.2s ease;
}
.tag-pill:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 阅读进度条 ---------- */
#readBar{
  position:fixed;top:0;left:0;
  height:2px;width:0;
  background:var(--brand);
  z-index:80;
  transition:width .08s linear;
}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:20px 0 8px;
  font-size:13px;
  color:var(--text-3);
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.crumb .sep{color:#CFC9BE;}
.crumb .now{
  color:var(--text-3);
  max-width:38ch;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- 文章头部 ---------- */
.post-head{
  position:relative;
  padding:8px 0 24px;
  border-bottom:1px solid var(--line);
}
.post-head::after{
  content:'';
  position:absolute;left:0;bottom:-1px;
  width:64px;height:4px;
  background:var(--brand);
  border-radius:2px;
}
.post-title{
  font-size:32px;
  line-height:42px;
  font-weight:700;
  letter-spacing:-.2px;
  margin:16px 0 16px;
  max-width:900px;
}
@media (max-width:767px){
  .post-title{font-size:24px;line-height:34px;}
}
.post-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:var(--text-3);
}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFC9BE;display:inline-block;}

/* ---------- 正文布局 ---------- */
.post-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding-top:40px;
  padding-bottom:64px;
}
@media (min-width:1024px){
  .post-layout{grid-template-columns:minmax(0,1fr) 280px;gap:48px;}
}
.post-main{min-width:0;}

/* ---------- 文章正文排版 ---------- */
.post-body{
  max-width:780px;
  font-size:17px;
  line-height:30px;
  color:var(--text);
}
.post-body > *:first-child{margin-top:0;}
.post-body p{margin:0 0 24px;}
.post-body h2{
  position:relative;
  font-size:26px;line-height:34px;font-weight:700;
  margin:48px 0 16px;
  padding-left:16px;
}
.post-body h2::before{
  content:'';
  position:absolute;left:0;top:7px;
  width:4px;height:20px;
  background:var(--brand);
  border-radius:2px;
}
.post-body h3{
  font-size:20px;line-height:28px;font-weight:600;
  margin:32px 0 12px;
}
.post-body h4{
  font-size:17px;line-height:28px;font-weight:600;
  margin:24px 0 10px;
}
.post-body ul,.post-body ol{margin:0 0 24px;padding-left:26px;}
.post-body ul{list-style:disc;}
.post-body ol{list-style:decimal;}
.post-body li{margin-bottom:8px;}
.post-body ol li::marker{color:var(--brand);font-weight:600;}
.post-body blockquote{
  margin:0 0 24px;
  border-left:3px solid var(--brand);
  background:var(--sand);
  padding:20px;
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--text-2);
  font-size:16px;
  line-height:28px;
}
.post-body a{
  color:var(--brand);
  text-decoration:underline;
  text-underline-offset:3px;
}
.post-body a:hover{color:var(--accent);}
.post-body img{
  width:100%;
  border-radius:var(--r-img);
  margin:24px 0 8px;
}
.post-body figure{margin:24px 0;}
.post-body figcaption{
  font-size:13px;line-height:20px;
  color:var(--text-2);
  text-align:center;
  margin-top:-4px;
}
.post-body strong{font-weight:600;}
.post-table-wrap{width:100%;overflow-x:auto;margin:0 0 24px;border:1px solid var(--line);border-radius:var(--r-img);}
.post-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px;}
.post-body thead th{
  background:var(--brand-100);
  color:var(--brand-700);
  font-weight:600;
  text-align:left;
  padding:12px 16px;
  white-space:nowrap;
}
.post-body tbody td{
  padding:12px 16px;
  border-top:1px solid var(--line);
  color:var(--text-2);
}
.post-body tbody tr:nth-child(even){background:#FBFAF8;}

/* ---------- 正文底部动作 ---------- */
.post-foot{
  margin-top:40px;
  padding-top:28px;
  border-top:1px solid var(--line);
}
.post-actions{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:20px;
}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:780px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:56px 24px;
  text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:50%;
  background:var(--brand-100);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.empty-state p{font-size:16px;color:var(--text-2);}

/* ---------- 侧栏 ---------- */
.post-side{display:none;}
@media (min-width:1024px){.post-side{display:block;}}
.side-sticky{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  padding:20px;
}
.side-title{
  font-size:14px;font-weight:700;color:var(--text);
  margin:0 0 14px;
  padding-left:10px;
  position:relative;
}
.side-title::before{
  content:'';position:absolute;left:0;top:4px;
  width:3px;height:14px;background:var(--brand);border-radius:2px;
}
.side-nav a{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--text-2);
  padding:8px 0;
  border-bottom:1px dashed var(--line);
}
.side-nav a:last-child{border-bottom:0;}
.side-nav a:hover{color:var(--brand);}
.side-nav a .num{
  font-size:12px;font-weight:700;color:var(--brand);
  width:22px;flex:0 0 auto;
}
.side-cta{
  background:var(--brand);
  color:#fff;
  border-radius:var(--r-card);
  padding:22px 20px;
  box-shadow:var(--shadow-1);
}
.side-cta h3{font-size:16px;line-height:26px;font-weight:700;margin:0 0 8px;}
.side-cta p{font-size:13px;line-height:22px;color:rgba(255,255,255,.76);margin:0 0 16px;}
.side-cta .btn{width:100%;}

/* ---------- 卡片 ---------- */
.card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .3s ease, box-shadow .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--brand-100);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-media .badge{position:absolute;top:12px;left:12px;}
.card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{
  font-size:18px;line-height:28px;font-weight:600;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-desc{
  font-size:14px;line-height:24px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;
  padding-top:12px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.card-foot .go{color:var(--brand);font-weight:600;}

/* ---------- 相关内容 ---------- */
.related-section{padding:8px 0 64px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.section-head h2{font-size:24px;line-height:34px;font-weight:700;position:relative;padding-left:16px;}
.section-head h2::before{
  content:'';position:absolute;left:0;top:8px;
  width:4px;height:20px;background:var(--brand);border-radius:2px;
}
.section-head .more{font-size:14px;font-weight:600;color:var(--brand);}
.section-head .more:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.related-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);}}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--dark);
  border-radius:20px;
  padding:48px 32px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:24px;
  color:#fff;
}
.cta-band h2{font-size:26px;line-height:36px;font-weight:700;margin:0 0 10px;}
.cta-band p{font-size:14px;line-height:24px;color:rgba(255,255,255,.78);max-width:560px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (max-width:767px){
  .cta-band{padding:32px 20px;border-radius:16px;}
  .cta-band h2{font-size:20px;line-height:30px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;min-width:140px;}
}
.cta-wrap{padding:0 0 72px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  font-size:14px;
  line-height:24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding-bottom:40px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.4fr;}}
.footer-title{color:#fff;font-size:14px;font-weight:700;margin:0 0 16px;}
.footer-link{display:block;color:rgba(255,255,255,.72);padding:6px 0;}
.footer-link:hover{color:#fff;}
.social{display:flex;gap:10px;margin-top:20px;}
.social a{
  width:36px;height:36px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.8);
  transition:.2s ease;
}
.social a:hover{background:#fff;color:var(--brand);border-color:#fff;}
.subscribe{display:flex;gap:8px;}
.subscribe input{
  height:44px;flex:1;min-width:0;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
  color:#fff;
  padding:0 14px;
  font-size:14px;
  outline:none;
  transition:.2s ease;
}
.subscribe input::placeholder{color:rgba(255,255,255,.45);}
.subscribe input:focus{border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.15);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:#fff;}

/* roulang page: category3 */
:root{
  --brand:#163F38; --brand-700:#0F2E29; --brand-100:#E3EDEA;
  --accent:#E2603A; --accent-600:#C94E2C; --moss:#6E8464;
  --sand:#F7F4EF; --card:#FFFFFF; --dark:#121816; --line:#E6E1D8;
  --text:#1F2422; --text-2:#5C635F; --text-3:#8A918D;
  --radius-card:16px; --radius-btn:10px; --radius-img:12px; --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(18,24,22,.06), 0 8px 24px -12px rgba(18,24,22,.18);
  --shadow-2:0 2px 4px rgba(18,24,22,.08), 0 16px 32px -16px rgba(18,24,22,.24);
  --container:1200px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Inter",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font);background:var(--sand);color:var(--text);
  font-size:16px;line-height:28px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
h1,h2,h3{font-weight:700;letter-spacing:-.01em;}
.num{font-variant-numeric:tabular-nums;}

.container-x{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:64px 0;}
.section-lg{padding:88px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-title{font-size:26px;line-height:34px;display:flex;align-items:center;gap:12px;}
.section-title::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--brand);display:block;}
.section-desc{color:var(--text-2);font-size:15px;line-height:26px;max-width:640px;margin-top:12px;}
.eyebrow{font-size:13px;font-weight:600;color:var(--moss);letter-spacing:.06em;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);backdrop-filter:blur(10px);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-shell{display:flex;align-items:center;gap:22px;height:64px;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;letter-spacing:.02em;
}
.logo-text{font-size:15px;font-weight:700;color:var(--brand);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:500;color:var(--text-2);position:relative;transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{background:var(--brand-100);color:var(--brand);font-weight:600;}
.nav-link.is-active::after{display:none;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;width:224px;
  background:#F2EFE9;border:1px solid transparent;border-radius:var(--radius-pill);
  transition:box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,63,56,.14);}
.nav-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:13px;color:var(--text);}
.nav-search input::placeholder{color:var(--text-3);}
.burger{
  display:none;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--line);
  background:#fff;border-radius:10px;color:var(--brand);cursor:pointer;
}
.burger:hover{background:var(--brand-100);}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,24,22,.42);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:320px;max-width:88vw;background:#fff;z-index:80;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  padding:20px;display:flex;flex-direction:column;gap:18px;box-shadow:-16px 0 40px -24px rgba(18,24,22,.4);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--brand);}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-link{padding:12px 14px;border-radius:12px;font-size:15px;font-weight:500;color:var(--text);}
.drawer-link:hover{background:var(--sand);color:var(--brand);}
.drawer-link.is-active{background:var(--brand-100);color:var(--brand);font-weight:600;}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;background:var(--sand);
  border-radius:var(--radius-pill);border:1px solid transparent;
}
.drawer-search input{border:0;background:transparent;outline:0;flex:1;min-width:0;font-size:14px;}

/* ---------- buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;
  border-radius:var(--radius-btn);font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;
  transition:background .2s ease,color .2s ease,transform .15s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(226,96,58,.35);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:rgba(22,63,56,.08);}
.btn-light{background:transparent;border-color:rgba(255,255,255,.7);color:#fff;}
.btn-light:hover{background:#fff;color:var(--brand);border-color:#fff;}
.btn-block{width:100%;}
.link-underline{
  color:var(--brand);font-weight:600;font-size:14px;border-bottom:2px solid var(--brand);
  padding-bottom:2px;transition:color .2s ease,border-color .2s ease;
}
.link-underline:hover{color:var(--accent);border-color:var(--accent);}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;line-height:1;
}
.badge-brand{background:var(--brand-100);color:var(--brand);}
.badge-accent{background:var(--accent);color:#fff;}
.badge-moss{background:rgba(110,132,100,.16);color:#4E6247;}

/* ---------- breadcrumb ---------- */
.crumbs{padding:18px 0 0;font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:var(--text-3);}
.crumbs .cur{color:var(--text-3);}

/* ---------- page hero ---------- */
.page-hero{
  background:var(--brand);color:#fff;position:relative;overflow:hidden;
  margin-top:20px;border-radius:20px;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:rgba(226,96,58,.18);filter:blur(10px);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding:56px 48px;position:relative;z-index:1;}
.page-hero h1{font-size:38px;line-height:50px;margin-top:18px;}
.hero-lead{margin-top:18px;font-size:16px;line-height:30px;color:rgba(247,244,239,.86);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-media{border-radius:var(--radius-img);overflow:hidden;box-shadow:0 24px 48px -24px rgba(0,0,0,.55);aspect-ratio:4/3;}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:32px;border-top:1px solid rgba(247,244,239,.18);padding-top:22px;}
.stat-num{font-size:24px;font-weight:700;color:#fff;line-height:32px;}
.stat-label{font-size:12px;color:rgba(247,244,239,.7);margin-top:2px;}

/* ---------- tabbar ---------- */
.tabbar{
  position:sticky;top:64px;z-index:40;background:rgba(247,244,239,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.tabbar-inner{display:flex;gap:8px;overflow-x:auto;padding:14px 0;scrollbar-width:none;}
.tabbar-inner::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);font-size:14px;font-weight:500;color:var(--text-2);
  transition:all .2s ease;white-space:nowrap;
}
.tab:hover{border-color:var(--brand);color:var(--brand);}
.tab.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------- zigzag ---------- */
.zig-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:40px 0;}
.zig-row + .zig-row{border-top:1px solid var(--line);}
.zig-row.reverse .zig-media{order:2;}
.zig-media{border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-1);aspect-ratio:3/2;background:var(--brand-100);}
.zig-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.zig-row:hover .zig-media img{transform:scale(1.03);}
.zig-num{font-size:46px;line-height:46px;font-weight:700;color:#C9DCD6;font-variant-numeric:tabular-nums;}
.zig-title{font-size:26px;line-height:34px;display:flex;align-items:center;gap:12px;margin-top:10px;}
.zig-title::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--accent);display:block;flex:0 0 auto;}
.zig-text{margin-top:16px;font-size:16px;line-height:30px;color:var(--text-2);}
.tick-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.tick-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:26px;color:var(--text);}
.tick-list svg{flex:0 0 auto;margin-top:4px;color:var(--brand);}
.zig-foot{margin-top:24px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.zig-meta{font-size:13px;color:var(--text-3);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease;}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step-index{
  width:34px;height:34px;border-radius:10px;background:var(--brand-100);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step-title{font-size:18px;line-height:28px;margin-top:16px;}
.step-text{margin-top:8px;font-size:14px;line-height:25px;color:var(--text-2);}
.step-time{margin-top:14px;font-size:12px;font-weight:600;color:var(--moss);}

/* ---------- faq ---------- */
.faq-wrap{max-width:800px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);color:var(--brand);
  display:flex;align-items:center;justify-content:center;transition:transform .3s ease,background .2s ease,color .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;border-color:var(--brand);}
.faq-body{padding:0 46px 22px 0;font-size:15px;line-height:28px;color:var(--text-2);}

/* ---------- cta band ---------- */
.cta-band{background:var(--dark);color:#fff;}
.cta-inner{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;padding:64px 0;}
.cta-title{font-size:28px;line-height:38px;}
.cta-text{margin-top:14px;font-size:15px;line-height:28px;color:rgba(247,244,239,.8);max-width:620px;}
.cta-actions{display:flex;gap:12px;justify-content:flex-end;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(247,244,239,.82);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-link{display:block;font-size:14px;line-height:26px;color:rgba(247,244,239,.78);padding:4px 0;transition:color .2s ease,padding-left .2s ease;}
.footer-link:hover{color:#fff;padding-left:4px;}
.social{display:flex;gap:10px;margin-top:18px;}
.social a{
  width:34px;height:34px;border-radius:10px;border:1px solid rgba(247,244,239,.24);display:flex;
  align-items:center;justify-content:center;color:rgba(247,244,239,.85);transition:all .2s ease;
}
.social a:hover{background:#fff;color:var(--brand);border-color:#fff;}
.site-footer p{font-size:14px;line-height:26px;}
.subscribe{display:flex;gap:10px;flex-wrap:wrap;}
.subscribe input{
  flex:1;min-width:160px;height:44px;border-radius:var(--radius-btn);border:1px solid rgba(247,244,239,.2);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;outline:0;font-size:14px;
}
.subscribe input::placeholder{color:rgba(247,244,239,.5);}
.subscribe input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(226,96,58,.25);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(247,244,239,.14);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(247,244,239,.62);
}

/* ---------- mobile bottom bar ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;height:56px;background:#fff;border-top:1px solid var(--line);
  z-index:55;padding:0 16px;gap:10px;align-items:center;box-shadow:0 -8px 24px -18px rgba(18,24,22,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-links,.nav-search{display:none;}
  .burger{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;padding:40px 28px;gap:28px;}
  .page-hero h1{font-size:30px;line-height:40px;}
  .hero-media{aspect-ratio:16/9;height:260px;}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:18px;}
  .zig-row{grid-template-columns:1fr;gap:26px;}
  .zig-row.reverse .zig-media{order:0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;padding:48px 0;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .tabbar{top:56px;}
}
@media (max-width:767px){
  body{font-size:15px;padding-bottom:56px;}
  .container-x{padding:0 16px;}
  .section{padding:48px 0;}
  .section-lg{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .section-title{font-size:22px;line-height:30px;}
  .nav-shell{height:56px;}
  .page-hero{border-radius:16px;margin-top:16px;}
  .hero-grid{padding:32px 20px;}
  .hero-media{height:220px;}
  .btn{height:48px;}
  .hero-actions .btn{width:100%;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .mobile-bar{display:flex;}
  .mobile-bar .btn{flex:1;height:44px;font-size:14px;padding:0 12px;}
}
@media (max-width:520px){
  .zig-num{font-size:36px;line-height:36px;}
  .zig-title{font-size:21px;line-height:30px;}
  .stat-num{font-size:20px;line-height:28px;}
  .cta-title{font-size:22px;line-height:32px;}
}

/* roulang page: category2 */
:root{
  --brand:#163F38; --brand-700:#0F2E29; --brand-100:#E3EDEA;
  --accent:#E2603A; --accent-600:#C94E2C; --moss:#6E8464;
  --sand:#F7F4EF; --card:#FFFFFF; --dark:#121816; --line:#E6E1D8;
  --text:#1F2422; --text-2:#5C635F; --text-3:#8A918D;
  --r-card:16px; --r-btn:10px; --r-img:12px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,24,22,.06), 0 8px 24px -12px rgba(18,24,22,.18);
  --sh-2:0 2px 4px rgba(18,24,22,.08), 0 16px 32px -16px rgba(18,24,22,.24);
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;font-family:var(--font);background:var(--sand);color:var(--text);
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
button{font-family:inherit;}
::selection{background:rgba(226,96,58,.22);}
:focus-visible{outline:2px solid rgba(22,63,56,.5);outline-offset:2px;}

.container-x{max-width:1200px;margin:0 auto;padding:0 32px;width:100%;}
@media (max-width:900px){.container-x{padding:0 24px;}}
@media (max-width:520px){.container-x{padding:0 16px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-shell{display:flex;align-items:center;gap:24px;height:64px;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:700;letter-spacing:.5px;flex:0 0 auto;
}
.logo-text{font-size:15px;font-weight:700;letter-spacing:.2px;color:var(--text);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;font-size:14px;font-weight:500;color:var(--text-2);
  padding:6px 2px;transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{
  color:var(--brand);font-weight:600;background:var(--brand-100);
  padding:6px 14px;border-radius:var(--r-pill);
}
.nav-link.is-active::after{display:none;}
.nav-search{
  display:flex;align-items:center;gap:8px;width:224px;height:38px;padding:0 14px;
  background:#F2EFE9;border:1px solid transparent;border-radius:var(--r-pill);
  transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 2px rgba(22,63,56,.16);}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:13px;color:var(--text);font-family:var(--font);
}
.nav-search input::placeholder{color:var(--text-3);}
.burger{
  display:none;width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--brand);cursor:pointer;
  place-items:center;transition:background .2s ease;
}
.burger:hover{background:var(--brand-100);}
@media (max-width:1100px){.nav-search{display:none;}}
@media (max-width:1024px){
  .nav-links{display:none;}
  .burger{display:grid;}
  .nav-shell{height:56px;}
}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,24,22,.45);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .3s ease, visibility .3s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,88vw);background:#fff;z-index:80;
  transform:translateX(100%);transition:transform .3s ease;padding:22px;display:flex;flex-direction:column;gap:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;color:var(--text-2);display:grid;place-items:center;cursor:pointer;
}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;
  background:#F2EFE9;border:1px solid transparent;border-radius:var(--r-btn);
}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;font-family:var(--font);color:var(--text);}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-link{
  font-size:15px;font-weight:500;color:var(--text-2);padding:12px 14px;border-radius:var(--r-btn);
  transition:background .2s ease,color .2s ease;
}
.drawer-link:hover{background:var(--sand);color:var(--brand);}
.drawer-link.is-active{background:var(--brand-100);color:var(--brand);font-weight:600;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .15s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary:focus-visible{outline:2px solid rgba(226,96,58,.35);outline-offset:2px;}
.btn-outline{background:transparent;border:1.5px solid var(--brand);color:var(--brand);}
.btn-outline:hover{background:rgba(22,63,56,.08);}
.btn-ghost-light{background:transparent;border:1.5px solid rgba(255,255,255,.7);color:#fff;}
.btn-ghost-light:hover{background:#fff;color:var(--brand);}
.btn-sm{height:38px;padding:0 18px;font-size:13px;}
.btn-block{width:100%;}

/* ---------- badges & chips ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.2px;
}
.badge-brand{background:var(--brand-100);color:var(--brand);}
.badge-accent{background:var(--accent);color:#fff;}
.badge-moss{background:rgba(110,132,100,.16);color:#4B5F45;}
.badge-light{background:rgba(255,255,255,.16);color:#fff;}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--text-2);font-size:14px;font-weight:500;
  cursor:pointer;transition:all .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand);}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}
.chip.is-on:hover{color:#fff;}

/* ---------- breadcrumb ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:18px 0 0;font-size:13px;color:var(--text-2);
}
.crumb a{color:var(--text-2);transition:color .2s ease;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--text-3);}
.crumb .current{color:var(--text-3);}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;margin-top:18px;border-radius:20px;overflow:hidden;
  background:linear-gradient(102deg, rgba(15,46,41,.95) 0%, rgba(18,24,22,.86) 52%, rgba(18,24,22,.62) 100%),
             url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;padding:60px 48px 52px;
}
.cat-hero .hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(226,96,58,.9);color:#fff;font-size:12px;font-weight:600;letter-spacing:.4px;
}
.cat-hero h1{
  margin-top:20px;font-size:40px;line-height:1.25;font-weight:700;letter-spacing:.5px;max-width:760px;
}
.cat-hero .hero-sub{
  margin-top:16px;font-size:16px;line-height:1.8;color:rgba(247,244,239,.82);max-width:640px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16);
}
.stat-num{font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.5px;}
.stat-label{font-size:13px;color:rgba(247,244,239,.7);margin-top:2px;}
@media (max-width:900px){
  .cat-hero{padding:44px 28px 40px;}
  .cat-hero h1{font-size:32px;}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:16px;}
}
@media (max-width:520px){
  .cat-hero{margin-top:12px;border-radius:16px;padding:34px 20px 32px;}
  .cat-hero h1{font-size:27px;line-height:1.35;}
  .hero-actions .btn{width:100%;}
}

/* ---------- sections ---------- */
.section{padding:64px 0;}
.section-tight{padding:40px 0 0;}
.sec-h2{
  position:relative;padding-left:16px;font-size:26px;font-weight:700;line-height:1.4;letter-spacing:.3px;
}
.sec-h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--brand);
}
.sec-desc{margin-top:12px;font-size:15px;color:var(--text-2);max-width:720px;}
.sec-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;
}
.link-more{
  font-size:14px;font-weight:600;color:var(--brand);border-bottom:2px solid var(--brand);
  padding-bottom:2px;transition:color .2s ease,border-color .2s ease;
}
.link-more:hover{color:var(--accent);border-color:var(--accent);}
@media (max-width:768px){
  .section{padding:48px 0;}
  .sec-h2{font-size:22px;}
}

/* ---------- guarantee strip ---------- */
.guard-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  overflow:hidden;
}
.guard-item{padding:22px 24px;border-right:1px solid var(--line);display:flex;gap:12px;align-items:flex-start;}
.guard-item:last-child{border-right:0;}
.guard-ico{
  width:36px;height:36px;flex:0 0 auto;border-radius:10px;background:var(--brand-100);
  color:var(--brand);display:grid;place-items:center;
}
.guard-t{font-size:14px;font-weight:600;color:var(--text);}
.guard-d{font-size:12px;color:var(--text-3);margin-top:2px;line-height:1.6;}
@media (max-width:1024px){
  .guard-strip{grid-template-columns:repeat(2,1fr);}
  .guard-item:nth-child(2n){border-right:0;}
  .guard-item:nth-child(-n+2){border-bottom:1px solid var(--line);}
}
@media (max-width:520px){
  .guard-strip{grid-template-columns:1fr;}
  .guard-item{border-right:0;border-bottom:1px solid var(--line);}
  .guard-item:last-child{border-bottom:0;}
}

/* ---------- filter bar ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);margin-bottom:28px;
}
.filter-chips{display:flex;flex-wrap:wrap;gap:10px;}
.filter-tools{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-2);}
.filter-tools .tool{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--text-2);cursor:pointer;transition:all .2s ease;
}
.filter-tools .tool:hover{border-color:var(--brand);color:var(--brand);}
.filter-tools .tool.is-on{background:var(--brand-100);border-color:var(--brand-100);color:var(--brand);font-weight:600;}

/* ---------- product grid ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
@media (max-width:1279px){.grid-cards{grid-template-columns:repeat(3,1fr);}}
@media (max-width:1023px){.grid-cards{grid-template-columns:repeat(2,1fr);gap:20px;}}
@media (max-width:639px){.grid-cards{grid-template-columns:1fr;gap:16px;}}

.p-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;color:inherit;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.p-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D9D2C6;}
.p-card:hover .p-thumb img{transform:scale(1.03);}
.p-card:hover .p-buy{background:var(--accent);border-color:var(--accent);color:#fff;}
.p-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:#EFEBE4;}
.p-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.p-thumb .badge{position:absolute;top:12px;left:12px;}
.p-thumb .badge + .badge{left:auto;right:12px;}
.p-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.p-title{
  font-size:16px;font-weight:700;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.p-spec{
  font-size:13px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.p-tags{display:flex;flex-wrap:wrap;gap:6px;}
.p-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.p-price{font-size:18px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;}
.p-price small{font-size:12px;font-weight:500;color:var(--text-3);margin-left:2px;}
.p-buy{
  height:34px;padding:0 14px;border-radius:8px;border:1px solid var(--line);background:#fff;
  color:var(--text-2);font-size:13px;font-weight:600;display:inline-flex;align-items:center;
  transition:all .2s ease;
}

/* ---------- pager ---------- */
.pager{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:44px;}
.pager a{
  width:42px;height:42px;display:grid;place-items:center;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:14px;font-weight:600;
  transition:all .2s ease;
}
.pager a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.pager a.is-current{background:var(--brand);border-color:var(--brand);color:#fff;}
.pager .pager-text{width:auto;padding:0 16px;font-weight:500;}

/* ---------- flow ---------- */
.flow-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:32px;}
.step-card{
  position:relative;padding:24px 22px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--sand);transition:box-shadow .3s ease,transform .3s ease,background .3s ease;
}
.step-card:hover{background:#fff;box-shadow:var(--sh-1);transform:translateY(-3px);}
.step-num{
  font-size:13px;font-weight:700;color:var(--accent);letter-spacing:1.2px;font-variant-numeric:tabular-nums;
}
.step-t{font-size:16px;font-weight:700;margin-top:10px;}
.step-d{font-size:14px;color:var(--text-2);margin-top:8px;line-height:1.75;}
@media (max-width:1024px){.step-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.step-grid{grid-template-columns:1fr;gap:16px;}}

/* ---------- faq ---------- */
.faq{max-width:800px;margin:32px auto 0;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;padding:20px 0;display:flex;align-items:center;
  justify-content:space-between;gap:16px;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-q:hover{color:var(--brand);}
.faq-ico{
  flex:0 0 auto;width:24px;height:24px;display:grid;place-items:center;color:var(--brand);
  transition:transform .3s ease;
}
.faq-item.is-open .faq-ico{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 0 20px;font-size:15px;color:var(--text-2);line-height:1.85;max-width:680px;}

/* ---------- cta band ---------- */
.cta-band{background:var(--dark);color:#fff;padding:64px 0;}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-title{font-size:30px;font-weight:700;line-height:1.35;}
.cta-sub{margin-top:12px;font-size:15px;color:rgba(247,244,239,.75);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
@media (max-width:768px){
  .cta-band{padding:48px 0;}
  .cta-title{font-size:23px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(247,244,239,.72);padding:64px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.5fr;gap:40px;}
.footer-title{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.3px;}
.footer-link{display:block;color:rgba(247,244,239,.7);padding:6px 0;transition:color .2s ease,padding-left .2s ease;}
.footer-link:hover{color:#fff;padding-left:4px;}
.social{display:flex;gap:10px;margin-top:20px;}
.social a{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
  display:grid;place-items:center;color:rgba(255,255,255,.8);transition:all .2s ease;
}
.social a:hover{background:rgba(255,255,255,.08);color:#fff;}
.subscribe{display:flex;gap:10px;margin-top:16px;}
.subscribe input{
  flex:1;min-width:0;height:44px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;outline:none;font-family:var(--font);font-size:14px;
}
.subscribe input::placeholder{color:rgba(247,244,239,.48);}
.subscribe input:focus{border-color:var(--accent);box-shadow:0 0 0 2px rgba(226,96,58,.25);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(247,244,239,.55);
}
.footer-bottom a{color:rgba(247,244,239,.7);}
.footer-bottom a:hover{color:#fff;}
@media (max-width:1024px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}}
@media (max-width:600px){
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .subscribe{flex-direction:column;}
  .subscribe .btn{width:100%;}
}

/* ---------- mobile bottom bar ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;height:56px;background:#fff;border-top:1px solid var(--line);
  display:none;align-items:center;gap:12px;padding:0 16px;z-index:55;box-shadow:0 -6px 18px -12px rgba(18,24,22,.28);
}
.mobile-bar .btn{flex:1;height:40px;font-size:14px;padding:0 12px;}
@media (max-width:768px){
  .mobile-bar{display:flex;}
  body{padding-bottom:56px;}
}

/* roulang page: category4 */
:root{
    --brand:#163F38;
    --brand-700:#0F2E29;
    --brand-100:#E3EDEA;
    --accent:#E2603A;
    --accent-600:#C94E2C;
    --moss:#6E8464;
    --sand:#F7F4EF;
    --card:#FFFFFF;
    --dark:#121816;
    --line:#E6E1D8;
    --text:#1F2422;
    --text-2:#5C635F;
    --text-3:#8A918D;
    --radius-card:16px;
    --radius-btn:10px;
    --radius-img:12px;
    --shadow-1:0 1px 2px rgba(18,24,22,.06), 0 8px 24px -12px rgba(18,24,22,.18);
    --shadow-2:0 2px 4px rgba(18,24,22,.08), 0 16px 32px -16px rgba(18,24,22,.24);
    --nav-h:64px;
  }

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

  html{scroll-behavior:smooth;}

  body{
    margin:0;
    background:var(--sand);
    color:var(--text);
    font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:16px;
    line-height:28px;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
    padding-bottom:72px;
  }

  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;cursor:pointer;border:none;background:none;}
  input{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}

  :focus-visible{
    outline:none;
    box-shadow:0 0 0 3px rgba(226,96,58,.35), 0 0 0 1px var(--accent);
    border-radius:6px;
  }

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

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:#fff;
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s ease;
  }
  .site-header.is-scrolled{box-shadow:var(--shadow-1);}

  .nav-shell{
    display:flex;
    align-items:center;
    gap:24px;
    height:var(--nav-h);
  }

  .logo-mark{
    width:36px;height:36px;
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--brand);
    color:#fff;
    font-size:15px;font-weight:700;letter-spacing:.5px;
    border-radius:10px;
    flex:0 0 auto;
  }
  .logo-text{
    font-size:15px;font-weight:700;color:var(--text);
    letter-spacing:.2px;
    white-space:nowrap;
  }

  .nav-links{
    display:flex;
    align-items:center;
    gap:6px;
    margin-left:8px;
  }
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:36px;
    padding:0 12px;
    font-size:14px;
    font-weight:500;
    color:var(--text-2);
    border-radius:999px;
    transition:color .2s ease,background-color .2s ease;
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:50%;bottom:2px;
    width:0;height:2px;
    background:var(--brand);
    border-radius:2px;
    transform:translateX(-50%);
    transition:width .25s ease;
  }
  .nav-link:hover{color:var(--brand);}
  .nav-link:hover::after{width:20px;}
  .nav-link.is-active{
    background:var(--brand-100);
    color:var(--brand);
    font-weight:600;
  }
  .nav-link.is-active::after{width:0;}

  .nav-search{
    display:flex;
    align-items:center;
    gap:8px;
    height:38px;
    width:224px;
    padding:0 14px;
    background:#F2EFE9;
    border-radius:999px;
    border:1px solid transparent;
    transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
  }
  .nav-search:focus-within{
    background:#fff;
    border-color:var(--brand);
    box-shadow:0 0 0 3px rgba(22,63,56,.14);
  }
  .nav-search input{
    border:none;
    outline:none;
    background:transparent;
    font-size:13px;
    color:var(--text);
    width:100%;
  }
  .nav-search input::placeholder{color:var(--text-3);}

  .burger{
    display:none;
    width:40px;height:40px;
    align-items:center;justify-content:center;
    border-radius:10px;
    color:var(--brand);
    border:1px solid var(--line);
    background:#fff;
    transition:background-color .2s ease;
  }
  .burger:hover{background:var(--brand-100);}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:44px;
    padding:0 24px;
    font-size:15px;
    font-weight:600;
    border-radius:var(--radius-btn);
    border:1.5px solid transparent;
    transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    white-space:nowrap;
  }
  .btn-primary{
    background:var(--accent);
    color:#fff;
  }
  .btn-primary:hover{background:var(--accent-600);transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(1px);}

  .btn-outline{
    background:transparent;
    border-color:var(--brand);
    color:var(--brand);
  }
  .btn-outline:hover{background:rgba(22,63,56,.08);}

  .btn-ghost-light{
    background:transparent;
    border-color:rgba(255,255,255,.7);
    color:#fff;
  }
  .btn-ghost-light:hover{background:#fff;color:var(--brand);border-color:#fff;}

  .btn-block{width:100%;}

  .link-underline{
    color:var(--brand);
    font-weight:600;
    border-bottom:2px solid var(--brand);
    padding-bottom:2px;
    transition:color .2s ease,border-color .2s ease;
  }
  .link-underline:hover{color:var(--accent);border-color:var(--accent);}

  /* ============ 徽章 ============ */
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    height:24px;
    padding:0 12px;
    font-size:12px;
    font-weight:600;
    border-radius:999px;
    letter-spacing:.2px;
    white-space:nowrap;
  }
  .badge-brand{background:var(--brand-100);color:var(--brand);}
  .badge-accent{background:var(--accent);color:#fff;}
  .badge-moss{background:rgba(110,132,100,.14);color:var(--moss);}
  .badge-light{background:rgba(255,255,255,.16);color:#fff;}

  /* ============ 面包屑 ============ */
  .crumb-bar{
    background:#fff;
    border-bottom:1px solid var(--line);
  }
  .crumb{
    display:flex;
    align-items:center;
    gap:8px;
    height:52px;
    font-size:13px;
    color:var(--text-2);
    flex-wrap:wrap;
  }
  .crumb a{color:var(--text-2);transition:color .2s ease;}
  .crumb a:hover{color:var(--brand);}
  .crumb .sep{color:var(--text-3);}
  .crumb .current{color:var(--text-3);}

  /* ============ Hero ============ */
  .page-hero{
    background:var(--brand);
    color:#fff;
    padding:56px 0 56px;
    position:relative;
    overflow:hidden;
  }
  .page-hero::before{
    content:"";
    position:absolute;
    right:-140px;top:-120px;
    width:420px;height:420px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(226,96,58,.28),rgba(226,96,58,0) 68%);
    pointer-events:none;
  }
  .hero-grid{
    display:grid;
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    gap:48px;
    align-items:center;
    position:relative;
  }
  .hero-copy h1{
    margin-top:20px;
    font-size:40px;
    line-height:48px;
    font-weight:700;
    letter-spacing:.2px;
    color:#fff;
  }
  .hero-sub{
    margin-top:16px;
    font-size:17px;
    line-height:30px;
    color:rgba(255,255,255,.82);
    max-width:560px;
  }
  .hero-actions{
    margin-top:28px;
    display:flex;
    flex-wrap:wrap;
    gap:12px;
  }
  .hero-points{
    margin-top:28px;
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:10px 24px;
    max-width:560px;
  }
  .hero-points li{
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:14px;
    line-height:22px;
    color:rgba(255,255,255,.8);
  }
  .hero-points svg{flex:0 0 auto;margin-top:2px;color:var(--accent);}
  .hero-media{
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:0 24px 48px -24px rgba(0,0,0,.6);
    aspect-ratio:3/2;
    background:rgba(255,255,255,.06);
  }
  .hero-media img{
    width:100%;height:100%;
    object-fit:cover;
  }

  /* ============ 统计条 ============ */
  .section{padding:72px 0;}
  .section-tight{padding:0 0 0;margin-top:-32px;position:relative;z-index:5;}

  .stat-strip{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);
    overflow:hidden;
  }
  .stat-item{
    padding:24px 24px 22px;
    border-right:1px solid var(--line);
  }
  .stat-item:last-child{border-right:none;}
  .stat-num{
    font-size:32px;
    line-height:38px;
    font-weight:700;
    color:var(--brand);
    font-variant-numeric:tabular-nums;
    display:flex;
    align-items:baseline;
    gap:4px;
  }
  .stat-num span{
    font-size:14px;
    font-weight:600;
    color:var(--brand);
  }
  .stat-label{
    margin-top:6px;
    font-size:14px;
    font-weight:600;
    color:var(--text);
  }
  .stat-note{
    margin-top:4px;
    font-size:12px;
    line-height:20px;
    color:var(--text-3);
  }

  /* ============ 区块标题 ============ */
  .sec-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    margin-bottom:28px;
    flex-wrap:wrap;
  }
  .sec-title{
    display:flex;
    align-items:center;
    gap:12px;
    font-size:26px;
    line-height:34px;
    font-weight:700;
    color:var(--text);
  }
  .sec-title::before{
    content:"";
    width:4px;height:20px;
    border-radius:2px;
    background:var(--brand);
    flex:0 0 auto;
  }
  .sec-desc{
    margin-top:10px;
    font-size:15px;
    line-height:26px;
    color:var(--text-2);
    max-width:720px;
  }

  /* ============ 对照列表 + 侧栏 ============ */
  .split-grid{
    display:grid;
    grid-template-columns:minmax(0,8fr) minmax(0,4fr);
    gap:24px;
    align-items:start;
  }

  .compare-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);
    overflow:hidden;
  }
  .compare-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:20px 24px;
    border-bottom:1px solid var(--line);
    background:#FCFAF6;
  }
  .compare-head h3{
    font-size:18px;
    line-height:28px;
    font-weight:700;
  }
  .compare-head span{
    font-size:13px;
    color:var(--text-3);
  }
  .compare-row{
    display:grid;
    grid-template-columns:minmax(0,5fr) minmax(0,7fr);
    gap:16px;
    padding:15px 24px;
    border-bottom:1px solid rgba(230,225,216,.7);
    font-size:14px;
    line-height:24px;
    transition:background-color .2s ease;
  }
  .compare-row:last-child{border-bottom:none;}
  .compare-row:nth-child(odd){background:rgba(247,244,239,.55);}
  .compare-row:hover{background:var(--brand-100);}
  .compare-key{
    font-weight:600;
    color:var(--text);
  }
  .compare-val{
    color:var(--text-2);
    font-variant-numeric:tabular-nums;
  }

  .consult-card{
    position:sticky;
    top:88px;
    background:var(--brand);
    color:#fff;
    border-radius:var(--radius-card);
    padding:28px 26px;
    box-shadow:var(--shadow-2);
  }
  .consult-card h3{
    font-size:20px;
    line-height:30px;
    font-weight:700;
    color:#fff;
  }
  .consult-card p{
    margin-top:12px;
    font-size:14px;
    line-height:24px;
    color:rgba(255,255,255,.78);
  }
  .consult-list{
    margin-top:18px;
    display:grid;
    gap:10px;
  }
  .consult-list li{
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:14px;
    line-height:22px;
    color:rgba(255,255,255,.88);
  }
  .consult-list svg{flex:0 0 auto;margin-top:2px;color:var(--accent);}
  .consult-card .btn-primary{margin-top:22px;}
  .consult-card .btn-ghost-light{margin-top:10px;}
  .consult-meta{
    margin-top:18px;
    padding-top:16px;
    border-top:1px solid rgba(255,255,255,.18);
    font-size:12px;
    line-height:20px;
    color:rgba(255,255,255,.65);
  }

  /* ============ 流程 ============ */
  .flow-grid{
    display:grid;
    grid-template-columns:repeat(5,minmax(0,1fr));
    gap:16px;
  }
  .flow-item{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:22px 20px;
    box-shadow:var(--shadow-1);
    transition:transform .3s ease,box-shadow .3s ease;
  }
  .flow-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
  .flow-num{
    font-size:13px;
    font-weight:700;
    letter-spacing:.6px;
    color:var(--accent);
    font-variant-numeric:tabular-nums;
  }
  .flow-item h3{
    margin-top:10px;
    font-size:16px;
    line-height:26px;
    font-weight:700;
  }
  .flow-item p{
    margin-top:8px;
    font-size:13px;
    line-height:22px;
    color:var(--text-2);
  }

  /* ============ 故障速查卡片 ============ */
  .card-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:24px;
  }
  .info-card{
    display:flex;
    flex-direction:column;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-1);
    transition:transform .3s ease,box-shadow .3s ease;
  }
  .info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
  .info-card-media{
    position:relative;
    aspect-ratio:16/9;
    overflow:hidden;
    background:#EDE9E1;
  }
  .info-card-media img{
    width:100%;height:100%;
    object-fit:cover;
    transition:transform .3s ease;
  }
  .info-card:hover .info-card-media img{transform:scale(1.03);}
  .info-card-media .badge{position:absolute;left:14px;top:14px;}
  .info-card-body{
    padding:20px 22px 22px;
    display:flex;
    flex-direction:column;
    flex:1 1 auto;
  }
  .info-card-body h3{
    font-size:18px;
    line-height:28px;
    font-weight:700;
  }
  .info-card-body p{
    margin-top:10px;
    font-size:14px;
    line-height:24px;
    color:var(--text-2);
  }
  .info-card-foot{
    margin-top:auto;
    padding-top:18px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
  }
  .info-card-foot .meta{
    font-size:12px;
    color:var(--text-3);
  }
  .mini-btn{
    display:inline-flex;
    align-items:center;
    gap:6px;
    height:34px;
    padding:0 16px;
    font-size:13px;
    font-weight:600;
    color:var(--brand);
    border:1.5px solid var(--brand);
    border-radius:10px;
    transition:background-color .2s ease,color .2s ease,border-color .2s ease;
  }
  .info-card:hover .mini-btn{
    background:var(--accent);
    border-color:var(--accent);
    color:#fff;
  }

  /* ============ FAQ ============ */
  .faq-wrap{max-width:800px;}
  .faq-item{border-top:1px solid var(--line);}
  .faq-item:last-child{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:22px 4px;
    text-align:left;
    font-size:16px;
    font-weight:600;
    color:var(--text);
    transition:color .2s ease;
  }
  .faq-q:hover{color:var(--brand);}
  .faq-icon{
    flex:0 0 auto;
    width:24px;height:24px;
    display:inline-flex;align-items:center;justify-content:center;
    color:var(--brand);
    transition:transform .3s ease;
  }
  .faq-item.is-open .faq-icon{transform:rotate(45deg);}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .3s ease;
  }
  .faq-a-inner{
    padding:0 4px 22px;
    font-size:15px;
    line-height:27px;
    color:var(--text-2);
  }

  /* ============ CTA 横幅 ============ */
  .cta-band{
    background:var(--dark);
    color:#fff;
    padding:64px 0;
  }
  .cta-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:32px;
    flex-wrap:wrap;
  }
  .cta-inner h2{
    font-size:30px;
    line-height:40px;
    font-weight:700;
    color:#fff;
  }
  .cta-inner p{
    margin-top:12px;
    font-size:15px;
    line-height:26px;
    color:rgba(247,244,239,.8);
    max-width:620px;
  }
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--dark);
    color:rgba(255,255,255,.72);
    padding:64px 0 0;
    font-size:14px;
    line-height:24px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1.4fr;
    gap:32px;
    padding-bottom:48px;
  }
  .footer-title{
    font-size:14px;
    font-weight:700;
    color:#fff;
    margin-bottom:16px;
  }
  .footer-link{
    display:block;
    font-size:14px;
    line-height:24px;
    color:rgba(255,255,255,.7);
    padding:5px 0;
    transition:color .2s ease;
  }
  .footer-link:hover{color:#fff;}
  .social{
    display:flex;
    gap:10px;
    margin-top:20px;
  }
  .social a{
    width:36px;height:36px;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:10px;
    background:rgba(255,255,255,.08);
    color:#fff;
    transition:background-color .2s ease,color .2s ease;
  }
  .social a:hover{background:var(--accent);}
  .subscribe{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
  }
  .subscribe input{
    flex:1 1 150px;
    min-width:0;
    height:44px;
    padding:0 14px;
    border-radius:10px;
    border:1px solid rgba(255,255,255,.16);
    background:rgba(255,255,255,.06);
    color:#fff;
    font-size:14px;
    outline:none;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .subscribe input::placeholder{color:rgba(255,255,255,.45);}
  .subscribe input:focus{
    border-color:var(--accent);
    box-shadow:0 0 0 3px rgba(226,96,58,.28);
  }
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    padding:22px 0;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    font-size:13px;
    color:rgba(255,255,255,.55);
  }

  /* ============ 移动抽屉 ============ */
  .drawer-mask{
    position:fixed;
    inset:0;
    background:rgba(18,24,22,.45);
    opacity:0;
    visibility:hidden;
    transition:opacity .25s ease,visibility .25s ease;
    z-index:80;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;
    top:0;right:0;
    width:min(340px,86vw);
    height:100%;
    background:#fff;
    z-index:90;
    transform:translateX(100%);
    transition:transform .3s ease;
    padding:20px;
    overflow-y:auto;
    box-shadow:-12px 0 32px -16px rgba(18,24,22,.3);
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    margin-bottom:20px;
  }
  .drawer-search{
    display:flex;
    align-items:center;
    gap:8px;
    height:44px;
    padding:0 14px;
    background:#F2EFE9;
    border-radius:999px;
    margin-bottom:20px;
  }
  .drawer-search input{
    border:none;outline:none;background:transparent;
    width:100%;font-size:14px;color:var(--text);
  }
  .drawer-link{
    display:block;
    padding:13px 12px;
    border-radius:10px;
    font-size:15px;
    font-weight:500;
    color:var(--text-2);
    transition:background-color .2s ease,color .2s ease;
  }
  .drawer-link:hover{background:var(--brand-100);color:var(--brand);}
  .drawer-link.is-active{background:var(--brand-100);color:var(--brand);font-weight:700;}
  .drawer-actions{margin-top:20px;display:grid;gap:10px;}

  /* ============ 移动底部操作条 ============ */
  .mobile-bar{
    display:none;
    position:fixed;
    left:0;right:0;bottom:0;
    height:56px;
    background:rgba(255,255,255,.97);
    border-top:1px solid var(--line);
    backdrop-filter:blur(8px);
    z-index:70;
    align-items:center;
    gap:12px;
    padding:0 16px;
  }
  .mobile-bar .btn{height:40px;padding:0 18px;font-size:14px;flex:1 1 0;}

  /* ============ 响应式 ============ */
  @media (max-width:1023px){
    .nav-links{display:none;}
    .nav-search{display:none;}
    .burger{display:inline-flex;}
    .hero-grid{grid-template-columns:1fr;gap:32px;}
    .hero-copy h1{font-size:32px;line-height:42px;}
    .hero-media{aspect-ratio:16/9;}
    .split-grid{grid-template-columns:1fr;}
    .consult-card{position:static;}
    .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
    .stat-item:nth-child(2){border-right:none;}
    .stat-item:nth-child(1),
    .stat-item:nth-child(2){border-bottom:1px solid var(--line);}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .section{padding:56px 0;}
  }

  @media (max-width:767px){
    .container-x{padding-left:16px;padding-right:16px;}
    .page-hero{padding:40px 0 44px;}
    .hero-copy h1{font-size:30px;line-height:38px;}
    .hero-sub{font-size:15px;line-height:26px;}
    .hero-points{grid-template-columns:1fr;}
    .hero-actions .btn{flex:1 1 100%;height:48px;}
    .section{padding:44px 0;}
    .section-tight{margin-top:-24px;}
    .stat-strip{grid-template-columns:1fr;}
    .stat-item{border-right:none;border-bottom:1px solid var(--line);}
    .stat-item:last-child{border-bottom:none;}
    .sec-title{font-size:22px;line-height:30px;}
    .compare-row{grid-template-columns:1fr;gap:4px;padding:14px 18px;}
    .card-grid{grid-template-columns:1fr;}
    .flow-grid{grid-template-columns:1fr;}
    .cta-inner h2{font-size:24px;line-height:32px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{flex:1 1 100%;}
    .footer-grid{grid-template-columns:1fr;}
    .mobile-bar{display:flex;}
    .subscribe input{flex:1 1 100%;}
    .subscribe .btn{width:100%;}
  }