/* roulang page: index */
:root{
  --jade-50:#E7F2EF;
  --jade-600:#0E6B5C;
  --jade-700:#0B5749;
  --terra-500:#D2603A;
  --ink:#16201D;
  --ink-muted:#3D4B47;
  --ink-soft:#6B7B76;
  --sand:#F7F4EE;
  --line:#E3E0D8;
  --deep:#0C211D;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--sand);
  color:var(--ink);
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(to right, rgba(22,32,29,.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(22,32,29,.03) 1px, transparent 1px);
  background-size:48px 48px;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
::selection{background:rgba(14,107,92,.2);color:var(--ink);}
:focus-visible{outline:3px solid rgba(14,107,92,.35);outline-offset:2px;border-radius:6px;}
.tabular-nums{font-variant-numeric:tabular-nums;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (max-width:640px){.wrap{padding:0 16px;}}

/* 导航 */
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  font-size:15px;
  color:var(--ink-muted);
  border-radius:999px;
  transition:color .2s var(--ease), background-color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:4px;
  width:0;
  height:2px;
  background:var(--jade-600);
  border-radius:2px;
  transform:translateX(-50%);
  transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--jade-600);}
.nav-link:hover::after{width:16px;}
.nav-link.active{background:var(--jade-50);color:var(--jade-700);font-weight:600;}
.nav-link.active::after{width:0;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:10px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .2s var(--ease), background-color .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--jade-600);color:#fff;box-shadow:0 6px 18px -8px rgba(11,87,73,.6);}
.btn-primary:hover{background:var(--jade-700);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:#fff;color:var(--jade-700);border-color:rgba(14,107,92,.45);}
.btn-outline:hover{border-color:var(--jade-600);background:var(--jade-50);transform:translateY(-1px);}
.btn-ghost{color:var(--jade-700);background:transparent;padding-left:4px;padding-right:4px;}
.btn-ghost:hover{color:var(--jade-600);}
.btn-ghost svg{transition:transform .2s var(--ease);}
.btn-ghost:hover svg{transform:translateX(3px);}
.btn-lg{height:48px;padding:0 24px;}
.btn-md{height:40px;padding:0 18px;}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  line-height:18px;
  background:var(--jade-50);
  color:var(--jade-700);
  font-weight:600;
}
.badge-terra{background:#FBEDE6;color:#B94F2C;}

.pulse-dot{position:relative;width:8px;height:8px;border-radius:999px;background:var(--terra-500);}
.pulse-dot::after{
  content:"";
  position:absolute;
  inset:-4px;
  border-radius:999px;
  border:2px solid rgba(210,96,58,.45);
  animation:pulse 1.8s var(--ease) infinite;
}
@keyframes pulse{0%{transform:scale(.7);opacity:.9}70%{transform:scale(1.25);opacity:0}100%{opacity:0}}

.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:0 1px 2px rgba(22,32,29,.05);
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:0 6px 18px -8px rgba(22,32,29,.14);border-color:rgba(14,107,92,.3);}

.line-clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.line-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.line-clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}

/* 看点列表 */
.highlight-row{
  display:flex;
  gap:16px;
  padding:18px 16px;
  border-bottom:1px dashed var(--line);
  transition:background-color .2s var(--ease), transform .2s var(--ease);
}
.highlight-row:last-child{border-bottom:none;}
.highlight-row:hover{background:rgba(14,107,92,.08);transform:translateX(2px);}
.highlight-num{
  flex:0 0 auto;
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  border-radius:8px;
  background:rgba(14,107,92,.12);
  color:var(--jade-700);
  font-family:'DIN Alternate','Barlow Semi Condensed',ui-monospace,monospace;
  font-weight:700;
  font-size:15px;
}

/* 倒计时 */
.countdown{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  background:var(--jade-50);
  border:1px solid #D3E8E3;
  border-radius:12px;
  overflow:hidden;
}
.countdown .cell{
  padding:12px 6px;
  text-align:center;
  border-right:1px solid #D3E8E3;
}
.countdown .cell:last-child{border-right:none;}
.countdown .num{
  font-family:'DIN Alternate','Barlow Semi Condensed',ui-monospace,monospace;
  font-variant-numeric:tabular-nums;
  font-weight:700;
  font-size:28px;
  line-height:1.1;
  color:var(--jade-700);
  transition:opacity .16s var(--ease);
  display:block;
}
.countdown .unit{font-size:12px;color:var(--ink-soft);margin-top:2px;display:block;}
.num.flip{opacity:0;}

/* FAQ */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s var(--ease), box-shadow .2s var(--ease);}
.faq-item:hover{border-color:rgba(14,107,92,.3);}
.faq-item.open{box-shadow:0 6px 18px -8px rgba(22,32,29,.14);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  line-height:26px;
  font-weight:600;
  color:var(--ink);
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a p{margin:0;padding:0 20px 20px;font-size:15px;line-height:26px;color:var(--ink-muted);}
.faq-icon{position:relative;flex:0 0 auto;width:14px;height:14px;color:var(--jade-600);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease);}
.faq-icon::before{left:0;top:6px;width:14px;height:2px;}
.faq-icon::after{left:6px;top:0;width:2px;height:14px;}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0;}

/* 抽屉 */
.drawer{
  position:fixed;
  top:0;right:0;
  height:100%;
  width:88%;
  max-width:360px;
  background:#fff;
  z-index:70;
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  box-shadow:-18px 0 44px -22px rgba(22,32,29,.28);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.mask{
  position:fixed;inset:0;
  background:rgba(22,32,29,.5);
  opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease), visibility .24s var(--ease);
  z-index:60;
}
.mask.open{opacity:1;visibility:visible;}
.drawer-link{
  display:flex;align-items:center;
  min-height:48px;
  padding:0 8px;
  font-size:16px;
  color:var(--ink-muted);
  border-bottom:1px solid var(--line);
}
.drawer-link.active{color:var(--jade-700);font-weight:600;}

/* 入场 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease), transform .5s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .pulse-dot::after{animation:none;}
  html{scroll-behavior:auto;}
}

/* 页脚 */
.footer-link{color:#C9D6D1;font-size:14px;line-height:32px;display:inline-block;transition:color .2s var(--ease);}
.footer-link:hover{color:#fff;}
.footer-title{color:#fff;font-size:14px;font-weight:600;letter-spacing:.02em;}

/* 内容卡 */
.cover-img{border-radius:12px;overflow:hidden;border:1px solid rgba(22,32,29,.06);}
.cover-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .cover-img img{transform:scale(1.04);}

.tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:12px;line-height:18px;background:var(--jade-50);color:var(--jade-700);font-weight:600;}
.tag-terra{background:#FBEDE6;color:#B94F2C;}

.hero-cover{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  aspect-ratio:16/9;
  background-image:linear-gradient(160deg, rgba(11,87,73,.92), rgba(12,33,29,.94)), url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  box-shadow:0 18px 44px -22px rgba(22,32,29,.28);
}
.step-card{border-left:3px solid var(--jade-600);}
.divider-soft{height:1px;background:linear-gradient(90deg, rgba(14,107,92,.5), rgba(14,107,92,0));}
@media (max-width:520px){
  .countdown .num{font-size:22px;}
  .countdown .cell{padding:10px 2px;}
}

/* roulang page: article */
:root{
    --jade:#0E6B5C; --jade-700:#0B5749; --jade-300:#7FBFAF; --jade-100:#E7F2EF;
    --terra:#D2603A; --terra-50:#FBEDE6;
    --ink:#16201D; --muted:#3D4B47; --faint:#6B7B76;
    --sand:#F7F4EE; --panel:#EFF3F0; --line:#E3E0D8; --deep:#0C211D;
    --r8:8px; --r14:14px; --r20:20px;
    --sh1:0 1px 2px rgba(22,32,29,.05);
    --sh2:0 6px 18px -8px rgba(22,32,29,.14);
    --sh3:0 18px 44px -22px rgba(22,32,29,.28);
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;background:var(--sand);color:var(--muted);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:16px;line-height:1.75;letter-spacing:.01em;-webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit;background:none;border:none;cursor:pointer;color:inherit}
  :focus-visible{outline:3px solid rgba(14,107,92,.35);outline-offset:2px;border-radius:6px}
  ::selection{background:rgba(14,107,92,.2)}
  .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  @media (max-width:640px){ .wrap{padding:0 16px} }
  .fnum{font-family:"DIN Alternate","Barlow Semi Condensed",ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums}
  .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}
  .grid-tex{
    background-image:linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
    background-size:36px 36px;
  }

  /* 导航 */
  .nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:var(--r8);font-size:15px;color:var(--muted);transition:color .2s var(--ease),background-color .2s var(--ease)}
  .nav-link:hover{color:var(--jade-700);background:rgba(14,107,92,.06)}
  .nav-link::after{content:"";position:absolute;left:50%;bottom:3px;width:0;height:2px;border-radius:2px;background:var(--jade);transform:translateX(-50%);transition:width .2s var(--ease)}
  .nav-link:hover::after{width:16px}
  .nav-link.active{background:var(--jade-100);color:var(--jade-700);font-weight:600}
  .nav-link.active::after{display:none}

  /* 按钮 */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;font-weight:600;border:1.5px solid transparent;transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
  .btn-md{height:40px;padding:0 18px;font-size:14px}
  .btn-lg{height:48px;padding:0 24px;font-size:15px}
  .btn-primary{background:var(--jade);color:#fff;box-shadow:var(--sh1)}
  .btn-primary:hover{background:var(--jade-700);transform:translateY(-1px);box-shadow:var(--sh2)}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--sh1)}
  .btn-ghost{border-color:var(--jade-300);color:var(--jade-700);background:#fff}
  .btn-ghost:hover{background:var(--jade-100);border-color:var(--jade);transform:translateY(-1px)}
  .btn-ghost-light{border-color:rgba(255,255,255,.4);color:#fff;background:transparent}
  .btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}
  .btn-text{color:var(--jade-700);font-weight:600;display:inline-flex;align-items:center;gap:6px;border-radius:8px;padding:6px 4px}
  .btn-text:hover{color:var(--jade)}

  /* 标签 */
  .tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--jade-100);color:var(--jade-700);font-size:12px;font-weight:600;letter-spacing:.02em}
  .tag-terra{background:var(--terra-50);color:var(--terra)}
  .tag-line{background:#fff;border:1px solid var(--line);color:var(--faint);font-weight:500}

  /* 卡片 */
  .card{background:#fff;border:1px solid var(--line);border-radius:var(--r14);box-shadow:var(--sh1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
  .card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(14,107,92,.3)}
  .thumb{border-radius:10px;overflow:hidden;border:1px solid rgba(22,32,29,.06)}
  .thumb img{width:100%;height:100%;object-fit:cover}

  /* 正文排版 */
  .article-body{font-size:17px;line-height:1.85;color:var(--muted)}
  .article-body>*:first-child{margin-top:0}
  .article-body p{margin:0 0 1.15em}
  .article-body h2{position:relative;font-size:22px;line-height:32px;font-weight:700;color:var(--ink);margin:1.9em 0 .8em;padding-left:14px;scroll-margin-top:100px}
  .article-body h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--jade)}
  .article-body h3{font-size:18px;line-height:28px;font-weight:600;color:var(--ink);margin:1.6em 0 .6em;scroll-margin-top:100px}
  .article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:1.3em 0 .5em}
  .article-body a{color:var(--jade-700);border-bottom:1px dashed var(--jade-300)}
  .article-body a:hover{border-bottom-style:solid;border-bottom-color:var(--jade)}
  .article-body strong{color:var(--ink);font-weight:600}
  .article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em}
  .article-body ul li{list-style:disc}
  .article-body ol li{list-style:decimal}
  .article-body li{margin:.45em 0;line-height:1.9}
  .article-body blockquote{margin:1.4em 0;padding:14px 18px;background:var(--terra-50);border-left:3px solid var(--terra);border-radius:0 12px 12px 0;color:var(--muted)}
  .article-body blockquote p:last-child{margin-bottom:0}
  .article-body img{border-radius:12px;margin:1.3em auto}
  .article-body figure{margin:1.4em 0}
  .article-body figcaption{text-align:center;font-size:13px;color:var(--faint);margin-top:10px}
  .article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.3em 0}
  .article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
  .article-body th{background:var(--panel);color:var(--ink);font-weight:600}
  .article-body hr{border:none;border-top:1px dashed var(--line);margin:2em 0}
  .article-body code{background:var(--panel);border-radius:6px;padding:2px 6px;font-size:14px;font-family:"DIN Alternate",ui-monospace,monospace}

  /* 目录 */
  .toc-item{display:block;padding:6px 12px;font-size:14px;line-height:22px;color:var(--faint);border-left:2px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease)}
  .toc-item:hover{color:var(--jade-700);background:rgba(14,107,92,.05)}
  .toc-item.is-current{color:var(--jade-700);border-left-color:var(--jade);font-weight:600;background:rgba(14,107,92,.06)}
  .toc-item.lv3{padding-left:24px;font-size:13px}

  /* FAQ */
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh1);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
  .faq-item.open{border-color:rgba(14,107,92,.3);box-shadow:var(--sh2)}
  .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;text-align:left;font-size:16px;line-height:26px;font-weight:600;color:var(--ink)}
  .faq-icon{position:relative;flex:none;width:20px;height:20px;border-radius:50%;background:var(--jade-100)}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--jade-700);transform:translate(-50%,-50%);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease)}
  .faq-icon::before{width:10px;height:1.6px}
  .faq-icon::after{width:1.6px;height:10px}
  .faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
  .faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:26px;color:var(--muted)}

  /* 空态 */
  .empty-state{max-width:440px;margin:0 auto;padding:48px 28px;text-align:center;background:var(--jade-100);border:1px dashed var(--jade-300);border-radius:var(--r14)}

  /* 页脚 */
  .footer-title{font-size:14px;font-weight:600;color:#fff;letter-spacing:.02em}
  .footer-link{display:block;padding:6px 0;font-size:14px;color:#C9D6D1;transition:color .2s var(--ease),transform .2s var(--ease)}
  .footer-link:hover{color:#fff;transform:translateX(3px)}

  /* 进场动画 */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
  .reveal.is-in{opacity:1;transform:none}
  @media (prefers-reduced-motion: reduce){
    *{animation:none !important;transition:none !important}
    html{scroll-behavior:auto}
    .reveal{opacity:1;transform:none}
  }

/* roulang page: category1 */
:root{
    --jade-600:#0E6B5C;
    --jade-700:#0B5749;
    --jade-200:#7FBFAF;
    --jade-50:#E7F2EF;
    --terra-500:#D2603A;
    --terra-50:#FBEDE6;
    --ink:#16201D;
    --sub:#3D4B47;
    --muted:#6B7B76;
    --sand:#F7F4EE;
    --surface:#FFFFFF;
    --panel:#EFF3F0;
    --line:#E3E0D8;
    --dark:#0C211D;
    --dark-text:#C9D6D1;
    --r-sm:8px;
    --r-md:14px;
    --r-lg:20px;
    --sh-1:0 1px 2px rgba(22,32,29,.05);
    --sh-2:0 6px 18px -8px rgba(22,32,29,.14);
    --sh-3:0 18px 44px -22px rgba(22,32,29,.28);
    --ease:cubic-bezier(.2,.7,.3,1);
    --t:200ms cubic-bezier(.2,.7,.3,1);
  }

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

  html{ scroll-behavior:smooth; }

  body{
    margin:0;
    background:var(--sand);
    color:var(--ink);
    font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
    font-size:16px;
    line-height:1.75;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }

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

  :focus-visible{
    outline:3px solid rgba(14,107,92,.35);
    outline-offset:2px;
    border-radius:6px;
  }
  ::selection{ background:rgba(14,107,92,.2); }

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

  .num{ font-family:'DIN Alternate','Barlow Semi Condensed',ui-monospace,SFMono-Regular,Menlo,monospace; font-variant-numeric:tabular-nums; }

  /* ---------- 导航 ---------- */
  #siteHeader{ transition:box-shadow var(--t), background-color var(--t); }
  #siteHeader.is-scrolled{ box-shadow:var(--sh-2); }

  .nav-link{
    display:inline-flex;
    align-items:center;
    height:40px;
    padding:0 14px;
    border-radius:999px;
    font-size:15px;
    color:var(--sub);
    position:relative;
    transition:color var(--t), background-color var(--t);
  }
  .nav-link::after{
    content:'';
    position:absolute;
    left:50%;
    bottom:4px;
    width:0;
    height:2px;
    background:var(--jade-600);
    border-radius:2px;
    transform:translateX(-50%);
    transition:width var(--t);
  }
  .nav-link:hover{ color:var(--jade-600); background:rgba(14,107,92,.06); }
  .nav-link:hover::after{ width:18px; }
  .nav-link.active{
    background:var(--jade-50);
    color:var(--jade-600);
    font-weight:600;
  }
  .nav-link.active::after{ width:0; }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:10px;
    font-weight:600;
    letter-spacing:.01em;
    white-space:nowrap;
    transition:background-color var(--t), color var(--t), border-color var(--t), transform var(--t), box-shadow var(--t);
  }
  .btn-md{ height:40px; padding:0 18px; font-size:15px; }
  .btn-lg{ height:48px; padding:0 24px; font-size:16px; }

  .btn-primary{
    background:var(--jade-600);
    color:#fff;
    box-shadow:var(--sh-2);
  }
  .btn-primary:hover{ background:var(--jade-700); transform:translateY(-1px); box-shadow:var(--sh-3); }
  .btn-primary:active{ transform:translateY(0); box-shadow:var(--sh-1); }

  .btn-outline{
    border:1.5px solid var(--jade-600);
    color:var(--jade-600);
    background:transparent;
  }
  .btn-outline:hover{ background:rgba(14,107,92,.08); transform:translateY(-1px); }
  .btn-outline:active{ transform:translateY(0); }

  .btn-light{
    background:#fff;
    color:var(--jade-700);
    box-shadow:var(--sh-2);
  }
  .btn-light:hover{ background:#F2FBF8; transform:translateY(-1px); }

  .btn-text{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--jade-600);
    font-size:15px;
    font-weight:600;
    transition:color var(--t), gap var(--t);
  }
  .btn-text:hover{ color:var(--jade-700); gap:10px; }

  .btn[disabled],.btn.is-disabled{ opacity:.5; pointer-events:none; }

  /* ---------- 标签 / 徽章 ---------- */
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:4px 12px;
    border-radius:999px;
    font-size:12px;
    line-height:18px;
    background:var(--jade-50);
    color:var(--jade-600);
    font-weight:600;
  }
  .badge-terra{
    background:var(--terra-50);
    color:var(--terra-500);
  }
  .dot-pulse{
    width:7px;height:7px;border-radius:50%;
    background:var(--terra-500);
    box-shadow:0 0 0 0 rgba(210,96,58,.5);
    animation:pulse 2.2s infinite;
  }
  @keyframes pulse{
    0%{ box-shadow:0 0 0 0 rgba(210,96,58,.45); }
    70%{ box-shadow:0 0 0 9px rgba(210,96,58,0); }
    100%{ box-shadow:0 0 0 0 rgba(210,96,58,0); }
  }

  /* ---------- 面包屑 ---------- */
  .crumb{ font-size:14px; color:var(--muted); display:flex; flex-wrap:wrap; align-items:center; gap:8px; }
  .crumb a{ color:var(--muted); transition:color var(--t); }
  .crumb a:hover{ color:var(--jade-600); }
  .crumb .sep{ color:#B9C2BE; }
  .crumb .cur{ color:var(--sub); font-weight:600; }

  /* ---------- Hero ---------- */
  .page-hero{
    position:relative;
    overflow:hidden;
    background-image:linear-gradient(180deg, rgba(247,244,238,.94), rgba(247,244,238,.99)), url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center;
    border-bottom:1px solid var(--line);
  }
  .page-hero::before{
    content:'';
    position:absolute;
    inset:0;
    background-image:linear-gradient(rgba(22,32,29,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(22,32,29,.03) 1px, transparent 1px);
    background-size:48px 48px;
    pointer-events:none;
  }
  .page-hero::after{
    content:'';
    position:absolute;
    width:420px; height:420px;
    right:-140px; top:-160px;
    background:radial-gradient(circle, rgba(127,191,175,.35), rgba(127,191,175,0) 68%);
    pointer-events:none;
  }
  .hero-cover{
    border-radius:var(--r-md);
    overflow:hidden;
    border:1px solid rgba(22,32,29,.06);
    box-shadow:var(--sh-3);
    background:#fff;
  }
  .hero-cover img{ width:100%; aspect-ratio:16/11; object-fit:cover; }

  /* ---------- 锚点侧栏 ---------- */
  .anchor-link{
    display:block;
    padding:9px 14px;
    border-radius:10px;
    font-size:15px;
    color:var(--sub);
    border-left:2px solid transparent;
    white-space:nowrap;
    transition:background-color var(--t), color var(--t), border-color var(--t);
  }
  .anchor-link:hover{ background:rgba(14,107,92,.06); color:var(--jade-600); }
  .anchor-link.is-active{
    background:var(--jade-50);
    color:var(--jade-600);
    font-weight:600;
    border-left-color:var(--jade-600);
  }
  .side-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    box-shadow:var(--sh-1);
    padding:20px;
  }

  /* ---------- 时间线 ---------- */
  .tl-list{ position:relative; }
  .tl-list::before{
    content:'';
    position:absolute;
    left:19px;
    top:8px;
    bottom:26px;
    width:1px;
    background:linear-gradient(180deg, rgba(14,107,92,.35), rgba(227,224,216,.9));
  }
  .tl-item{
    position:relative;
    padding-left:64px;
    padding-bottom:24px;
  }
  .tl-item:last-child{ padding-bottom:0; }
  .tl-node{
    position:absolute;
    left:0; top:0;
    width:40px; height:40px;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:10px;
    background:var(--jade-50);
    color:var(--jade-600);
    font-weight:700;
    font-size:14px;
    border:1px solid rgba(14,107,92,.12);
  }
  .tl-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    padding:20px 22px;
    box-shadow:var(--sh-1);
    transition:transform var(--t), box-shadow var(--t), border-color var(--t);
  }
  .tl-card:hover{
    transform:translateY(-3px);
    box-shadow:var(--sh-2);
    border-color:rgba(14,107,92,.3);
  }
  .tl-card h3{ font-size:17px; line-height:26px; font-weight:700; color:var(--ink); }
  .tl-card p{ margin-top:8px; font-size:15px; line-height:26px; color:var(--sub); }

  /* ---------- 通用卡片 ---------- */
  .card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    box-shadow:var(--sh-1);
    padding:22px;
    transition:transform var(--t), box-shadow var(--t), border-color var(--t);
  }
  .card:hover{
    transform:translateY(-3px);
    box-shadow:var(--sh-2);
    border-color:rgba(14,107,92,.3);
  }
  .card-icon{
    width:42px;height:42px;
    display:flex;align-items:center;justify-content:center;
    border-radius:10px;
    background:var(--jade-50);
    color:var(--jade-600);
    font-size:17px;
  }

  .sec-title{ font-size:26px; line-height:34px; font-weight:700; letter-spacing:-.01em; }
  .sec-sub{ margin-top:10px; font-size:15px; line-height:26px; color:var(--muted); }
  .sec-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;color:var(--jade-600);
    letter-spacing:.08em;
  }
  .sec-eyebrow::before{
    content:'';width:18px;height:2px;border-radius:2px;background:var(--jade-600);
  }

  /* ---------- 异常排查列表 ---------- */
  .trouble-row{
    display:grid;
    grid-template-columns:64px 1fr;
    gap:20px;
    padding:22px 4px;
    border-bottom:1px dashed var(--line);
    transition:background-color var(--t), transform var(--t);
  }
  .trouble-row:last-child{ border-bottom:0; }
  .trouble-row:hover{ background:rgba(14,107,92,.05); transform:translateX(2px); border-radius:10px; }
  .trouble-no{
    width:40px;height:40px;
    display:flex;align-items:center;justify-content:center;
    border-radius:10px;
    background:var(--terra-50);
    color:var(--terra-500);
    font-weight:700;
    font-size:14px;
  }
  .trouble-row h3{ font-size:17px; line-height:26px; font-weight:700; }
  .trouble-row p{ margin-top:6px; font-size:15px; line-height:26px; color:var(--sub); }

  /* ---------- 设备对比 ---------- */
  .device-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    overflow:hidden;
    box-shadow:var(--sh-1);
    transition:transform var(--t), box-shadow var(--t), border-color var(--t);
  }
  .device-card:hover{ transform:translateY(-3px); box-shadow:var(--sh-2); border-color:rgba(14,107,92,.3); }
  .device-card img{ width:100%; aspect-ratio:16/9; object-fit:cover; border-bottom:1px solid rgba(22,32,29,.06); }
  .device-body{ padding:22px; }
  .device-body h3{ font-size:18px; line-height:27px; font-weight:700; }
  .device-list{ margin-top:14px; display:flex; flex-direction:column; gap:10px; }
  .device-list li{
    display:flex; gap:10px;
    font-size:15px; line-height:25px; color:var(--sub);
  }
  .device-list i{ color:var(--jade-600); margin-top:5px; font-size:13px; }

  /* ---------- FAQ ---------- */
  .faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:14px;
    overflow:hidden;
    box-shadow:var(--sh-1);
    transition:border-color var(--t), box-shadow var(--t);
  }
  .faq-item.is-open{ border-color:rgba(14,107,92,.35); box-shadow:var(--sh-2); }
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:18px 22px;
    text-align:left;
    font-size:16px;
    line-height:26px;
    font-weight:600;
    color:var(--ink);
    transition:color var(--t);
  }
  .faq-q:hover{ color:var(--jade-600); }
  .faq-icon{
    position:relative;
    flex:0 0 18px;
    width:18px;height:18px;
  }
  .faq-icon::before,
  .faq-icon::after{
    content:'';
    position:absolute;
    left:50%; top:50%;
    background:var(--jade-600);
    border-radius:2px;
    transition:transform var(--t), opacity var(--t);
  }
  .faq-icon::before{ width:14px; height:2px; transform:translate(-50%,-50%); }
  .faq-icon::after{ width:2px; height:14px; transform:translate(-50%,-50%); }
  .faq-item.is-open .faq-icon::after{ transform:translate(-50%,-50%) scaleY(0); opacity:0; }
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height 240ms cubic-bezier(.2,.7,.3,1);
  }
  .faq-a-inner{
    padding:0 22px 20px;
    font-size:15px;
    line-height:26px;
    color:var(--sub);
  }

  /* ---------- CTA ---------- */
  .cta-panel{
    background:var(--jade-50);
    border:1px solid rgba(14,107,92,.16);
    border-radius:var(--r-lg);
    padding:40px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:32px;
  }

  /* ---------- 页脚 ---------- */
  .footer-title{ font-size:14px; font-weight:600; color:#fff; }
  .footer-link{
    display:inline-block;
    font-size:14px;
    line-height:32px;
    color:var(--dark-text);
    transition:color var(--t), transform var(--t);
  }
  .footer-link:hover{ color:#fff; transform:translateX(2px); }

  /* ---------- 抽屉 ---------- */
  #mask{
    opacity:0;
    visibility:hidden;
    transition:opacity var(--t), visibility var(--t);
  }
  #mask.is-open{ opacity:1; visibility:visible; }
  #drawer{
    transform:translateX(100%);
    transition:transform 240ms cubic-bezier(.2,.7,.3,1);
  }
  #drawer.is-open{ transform:translateX(0); }
  .drawer-link{
    display:flex;
    align-items:center;
    min-height:48px;
    padding:0 14px;
    border-radius:10px;
    font-size:16px;
    color:var(--sub);
    transition:background-color var(--t), color var(--t);
  }
  .drawer-link:hover,
  .drawer-link.active{ background:var(--jade-50); color:var(--jade-600); font-weight:600; }

  /* ---------- 进场动画 ---------- */
  .js .reveal{
    opacity:0;
    transform:translateY(12px);
    transition:opacity 420ms cubic-bezier(.2,.7,.3,1), transform 420ms cubic-bezier(.2,.7,.3,1);
  }
  .js .reveal.is-in{ opacity:1; transform:none; }

  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior:auto; }
    .js .reveal{ opacity:1; transform:none; transition:none; }
    .dot-pulse{ animation:none; }
    *{ transition-duration:.01ms !important; }
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .side-sticky{ position:static !important; }
    .cta-panel{ flex-direction:column; align-items:flex-start; padding:32px 26px; }
  }
  @media (max-width:640px){
    .wrap{ padding-left:16px; padding-right:16px; }
    .sec-title{ font-size:22px; line-height:30px; }
    .tl-item{ padding-left:54px; }
    .tl-card{ padding:18px; }
    .trouble-row{ grid-template-columns:1fr; gap:12px; }
    .cta-panel{ border-radius:16px; padding:26px 20px; }
    .page-hero::after{ width:280px;height:280px;right:-120px;top:-120px; }
  }
  @media (min-width:1024px){
    .side-sticky{ position:sticky; top:92px; }
  }

/* roulang page: category2 */
:root{
    --jade:#0E6B5C;
    --jade-d:#0B5749;
    --jade-l:#7FBFAF;
    --jade-x:#E7F2EF;
    --clay:#D2603A;
    --clay-x:#FBEDE6;
    --ink:#16201D;
    --sub:#3D4B47;
    --muted:#6B7B76;
    --sand:#F7F4EE;
    --card:#FFFFFF;
    --surface:#EFF3F0;
    --line:#E3E0D8;
    --r-s:8px;
    --r-m:14px;
    --r-l:20px;
    --sh1:0 1px 2px rgba(22,32,29,.05);
    --sh2:0 6px 18px -8px rgba(22,32,29,.14);
    --sh3:0 18px 44px -22px rgba(22,32,29,.28);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

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

  html{scroll-behavior:smooth;}

  body{
    margin:0;
    background:var(--sand);
    color:var(--ink);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.75;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }

  img{max-width:100%;display:block;}
  button{font-family:inherit;}
  a{color:inherit;text-decoration:none;}

  ::selection{background:rgba(14,107,92,.2);}

  :focus-visible{
    outline:3px solid rgba(14,107,92,.35);
    outline-offset:2px;
    border-radius:6px;
  }

  .wrap{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 24px;
  }
  @media (max-width:640px){
    .wrap{padding:0 16px;}
  }

  .mono{
    font-family:"DIN Alternate","Barlow Semi Condensed",ui-monospace,SFMono-Regular,Menlo,monospace;
    font-variant-numeric:tabular-nums;
    letter-spacing:0;
  }

  .grid-texture{
    background-image:
      linear-gradient(rgba(22,32,29,.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(22,32,29,.03) 1px, transparent 1px);
    background-size:32px 32px;
  }

  /* 导航 */
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:38px;
    padding:0 14px;
    font-size:15px;
    color:var(--sub);
    border-radius:999px;
    transition:color .2s var(--ease), background-color .2s var(--ease);
  }
  .nav-link:hover{color:var(--jade);background:var(--jade-x);}
  .nav-link.active{color:var(--jade);background:var(--jade-x);font-weight:600;}

  /* 按钮 */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    font-weight:600;
    border-radius:10px;
    border:0;
    cursor:pointer;
    white-space:nowrap;
    transition:transform .2s var(--ease), background-color .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
  }
  .btn-md{height:40px;padding:0 18px;font-size:15px;}
  .btn-lg{height:48px;padding:0 24px;font-size:16px;}
  .btn-primary{background:var(--jade);color:#fff;box-shadow:var(--sh1);}
  .btn-primary:hover{background:var(--jade-d);transform:translateY(-1px);box-shadow:var(--sh2);}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--sh1);}
  .btn-outline{background:#fff;color:var(--jade);border:1.5px solid var(--jade);}
  .btn-outline:hover{background:var(--jade-x);transform:translateY(-1px);}
  .btn-outline:active{transform:translateY(0);}
  .btn-ghost{background:transparent;color:var(--jade);padding:0 6px;height:40px;font-size:15px;}
  .btn-ghost:hover{color:var(--jade-d);}
  .btn[disabled]{opacity:.5;pointer-events:none;}

  /* 标签 / 徽章 */
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    height:28px;
    padding:0 12px;
    border-radius:999px;
    background:var(--jade-x);
    color:var(--jade);
    font-size:12px;
    font-weight:600;
    letter-spacing:.04em;
  }
  .chip{
    display:inline-flex;
    align-items:center;
    height:24px;
    padding:0 10px;
    border-radius:999px;
    background:var(--jade-x);
    color:var(--jade);
    font-size:12px;
    font-weight:600;
    white-space:nowrap;
  }
  .chip-clay{background:var(--clay-x);color:var(--clay);}

  /* 面包屑 */
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
  .crumb a{color:var(--muted);transition:color .2s var(--ease);}
  .crumb a:hover{color:var(--jade);}
  .crumb .sep{color:#B9C4BF;}

  /* Hero */
  .hero-media{
    position:relative;
    border-radius:var(--r-l);
    overflow:hidden;
    box-shadow:var(--sh3);
    aspect-ratio:16/10;
    background:var(--jade-900,#0C211D);
  }
  .hero-media img{width:100%;height:100%;object-fit:cover;}
  .hero-shade{
    position:absolute;inset:0;
    background:linear-gradient(160deg, rgba(12,33,29,.58), rgba(12,33,29,.24) 52%, rgba(12,33,29,.68));
  }
  .badge-live{
    position:absolute;left:16px;top:16px;
    display:inline-flex;align-items:center;gap:8px;
    height:30px;padding:0 12px;border-radius:999px;
    background:rgba(255,255,255,.92);
    color:var(--jade);
    font-size:12px;font-weight:600;
    letter-spacing:.04em;
  }
  .dot{
    width:8px;height:8px;border-radius:50%;
    background:var(--clay);
    box-shadow:0 0 0 0 rgba(210,96,58,.55);
    animation:pulse 2.2s var(--ease) infinite;
  }
  @keyframes pulse{
    0%{box-shadow:0 0 0 0 rgba(210,96,58,.5);}
    70%{box-shadow:0 0 0 9px rgba(210,96,58,0);}
    100%{box-shadow:0 0 0 0 rgba(210,96,58,0);}
  }
  .hero-stamp{
    position:absolute;right:16px;bottom:14px;
    font-size:12px;color:rgba(255,255,255,.86);
  }

  /* 统计块 */
  .stat-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    border:1px solid var(--line);
    border-radius:var(--r-m);
    background:#fff;
    box-shadow:var(--sh1);
    overflow:hidden;
  }
  .stat-cell{padding:16px 18px;border-right:1px solid var(--line);}
  .stat-cell:last-child{border-right:0;}
  .stat-num{font-size:22px;font-weight:700;color:var(--jade);line-height:1.2;}
  .stat-label{font-size:13px;color:var(--muted);margin-top:4px;}
  @media (max-width:520px){
    .stat-grid{grid-template-columns:1fr;}
    .stat-cell{border-right:0;border-bottom:1px solid var(--line);}
    .stat-cell:last-child{border-bottom:0;}
  }

  /* 步骤条 */
  .step-bar{
    display:flex;
    align-items:center;
    gap:0;
    overflow-x:auto;
    padding:6px 2px 10px;
    scrollbar-width:none;
  }
  .step-bar::-webkit-scrollbar{display:none;}
  .step-pill{
    display:inline-flex;
    align-items:center;
    gap:10px;
    height:44px;
    padding:0 18px;
    border-radius:999px;
    border:1px solid var(--line);
    background:#fff;
    color:var(--sub);
    font-size:15px;
    font-weight:600;
    cursor:pointer;
    white-space:nowrap;
    transition:background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
  }
  .step-pill:hover{border-color:rgba(14,107,92,.35);color:var(--jade);transform:translateY(-1px);}
  .step-pill .num{
    font-family:"DIN Alternate","Barlow Semi Condensed",ui-monospace,monospace;
    font-variant-numeric:tabular-nums;
    font-size:13px;
    color:var(--muted);
  }
  .step-pill.is-active{
    background:var(--jade);
    border-color:var(--jade);
    color:#fff;
    box-shadow:var(--sh2);
  }
  .step-pill.is-active .num{color:rgba(255,255,255,.78);}
  .step-line{
    flex:1 1 auto;
    min-width:16px;
    height:1px;
    background:var(--line);
  }

  /* 步骤图文卡 */
  .step-card{
    display:grid;
    grid-template-columns:40% 1fr;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-m);
    box-shadow:var(--sh1);
    overflow:hidden;
    transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
  }
  .step-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(14,107,92,.3);}
  .step-card .media{position:relative;background:var(--surface);}
  .step-card .media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
  .step-card .media .tag{
    position:absolute;left:12px;top:12px;
    display:inline-flex;align-items:center;height:26px;padding:0 10px;
    border-radius:999px;background:rgba(255,255,255,.92);
    color:var(--jade);font-size:12px;font-weight:600;
  }
  .step-card .body{padding:22px;}
  @media (max-width:1023px){
    .step-card{grid-template-columns:1fr;}
  }

  /* 清单卡 */
  .prep-card{
    display:flex;
    gap:14px;
    padding:16px 18px;
    background:var(--jade-x);
    border:1px solid rgba(14,107,92,.12);
    border-radius:var(--r-m);
    transition:transform .2s var(--ease), box-shadow .2s var(--ease);
  }
  .prep-card:hover{transform:translateY(-2px);box-shadow:var(--sh1);}
  .prep-icon{
    flex:0 0 36px;
    width:36px;height:36px;
    display:flex;align-items:center;justify-content:center;
    border-radius:var(--r-s);
    background:#fff;
    color:var(--jade);
  }

  /* 提示框 */
  .tip-box{
    background:var(--jade-x);
    border-left:3px solid var(--jade);
    border-radius:12px;
    padding:18px 20px;
  }
  .quote-box{
    background:#FBF7F1;
    border-left:3px solid var(--clay);
    border-radius:12px;
    padding:18px 20px;
    color:var(--sub);
  }

  /* 报错行 */
  .err-row{
    display:grid;
    grid-template-columns:56px 1fr;
    gap:20px;
    padding:22px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-m);
    box-shadow:var(--sh1);
    transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
  }
  .err-row:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:rgba(14,107,92,.3);}
  .err-num{
    width:44px;height:44px;
    display:flex;align-items:center;justify-content:center;
    border-radius:var(--r-s);
    background:rgba(14,107,92,.12);
    color:var(--jade);
    font-weight:700;
    font-size:15px;
  }
  @media (max-width:520px){
    .err-row{grid-template-columns:1fr;gap:12px;}
  }

  /* FAQ */
  .faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:12px;
    box-shadow:var(--sh1);
    overflow:hidden;
    transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
  }
  .faq-item:hover{border-color:rgba(14,107,92,.3);}
  .faq-item.open{box-shadow:var(--sh2);border-color:rgba(14,107,92,.3);}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:18px 22px;
    background:none;
    border:0;
    text-align:left;
    font-size:16px;
    font-weight:600;
    color:var(--ink);
    cursor:pointer;
    line-height:26px;
  }
  .faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px;}
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    left:50%;top:50%;
    background:var(--jade);
    border-radius:2px;
    transform:translate(-50%,-50%);
    transition:transform .24s var(--ease), opacity .24s var(--ease);
  }
  .faq-icon::before{width:14px;height:2px;}
  .faq-icon::after{width:2px;height:14px;}
  .faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
  .faq-a p{margin:0;padding:0 22px 20px;font-size:15px;line-height:26px;color:var(--sub);}

  /* CTA */
  .cta-panel{
    background:var(--jade-x);
    border:1px solid rgba(14,107,92,.12);
    border-radius:var(--r-l);
    padding:40px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:28px;
    flex-wrap:wrap;
  }
  @media (max-width:640px){
    .cta-panel{padding:26px;}
  }

  /* 页脚 */
  .footer-title{color:#fff;font-size:14px;font-weight:600;letter-spacing:.02em;margin:0;}
  .footer-link{display:block;padding:4px 0;font-size:14px;color:#C9D6D1;transition:color .2s var(--ease);}
  .footer-link:hover{color:#fff;}

  /* 移动抽屉 */
  .drawer{
    position:fixed;top:0;right:0;height:100%;
    width:88%;max-width:340px;
    background:#fff;z-index:70;
    transform:translateX(101%);
    transition:transform .28s var(--ease);
    display:flex;flex-direction:column;
    padding:20px 20px 28px;
    overflow-y:auto;
    box-shadow:var(--sh3);
  }
  .drawer.open{transform:none;}
  .drawer-overlay{
    position:fixed;inset:0;z-index:60;
    background:rgba(22,32,29,.5);
    opacity:0;visibility:hidden;
    transition:opacity .24s var(--ease), visibility .24s var(--ease);
  }
  .drawer-overlay.open{opacity:1;visibility:visible;}
  .drawer-link{
    display:flex;align-items:center;
    min-height:48px;padding:0 12px;
    border-radius:10px;
    font-size:16px;color:var(--sub);
    transition:background-color .2s var(--ease), color .2s var(--ease);
  }
  .drawer-link:hover,.drawer-link.active{background:var(--jade-x);color:var(--jade);font-weight:600;}

  /* 进场动画 */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease), transform .5s var(--ease);}
  .reveal.in{opacity:1;transform:none;}

  .clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    .reveal{opacity:1;transform:none;transition:none;}
    .dot{animation:none;}
    *{transition-duration:.01ms !important;}
  }

/* roulang page: category3 */
:root{
  --jade-600:#0E6B5C;
  --jade-700:#0B5749;
  --jade-300:#7FBFAF;
  --jade-50:#E7F2EF;
  --clay-500:#D2603A;
  --clay-50:#FBEDE6;
  --ink:#16201D;
  --ink-soft:#3D4B47;
  --ink-mute:#6B7B76;
  --sand:#F7F4EE;
  --mist:#EFF3F0;
  --line:#E3E0D8;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  color:var(--ink);
  background:var(--mist);
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,li{margin:0;padding:0}
ul,ol{list-style:none}
::selection{background:rgba(14,107,92,.2)}
:focus-visible{outline:3px solid rgba(14,107,92,.35);outline-offset:2px;border-radius:6px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:639px){.wrap{padding:0 16px}}

.num{font-family:'DIN Alternate','Barlow Semi Condensed',ui-monospace,monospace;font-variant-numeric:tabular-nums;letter-spacing:0}

/* ---------- header ---------- */
#siteHeader.scrolled{box-shadow:0 6px 18px -8px rgba(22,32,29,.16)}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:38px;padding:0 14px;
  font-size:15px;color:var(--ink-soft);
  border-radius:999px;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link:hover{color:var(--jade-700);background:rgba(231,242,239,.7)}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;
  background:var(--jade-600);border-radius:2px;transform:translateX(-50%);
  transition:width .2s var(--ease);
}
.nav-link:hover::after{width:16px}
.nav-link.active{background:var(--jade-50);color:var(--jade-700);font-weight:600}
.nav-link.active::after{width:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn-md{height:40px;padding:0 18px;font-size:15px}
.btn-lg{height:48px;padding:0 24px;font-size:16px}
.btn-primary{background:var(--jade-600);color:#fff;box-shadow:0 6px 18px -8px rgba(14,107,92,.5)}
.btn-primary:hover{background:var(--jade-700);transform:translateY(-1px);box-shadow:0 12px 26px -12px rgba(14,107,92,.6)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--jade-600);color:var(--jade-700);background:#fff}
.btn-outline:hover{background:var(--jade-50);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-text{color:var(--jade-700);padding:0 4px;height:auto}
.btn-text:hover{color:var(--jade-600)}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;transform:none}

/* ---------- hero ---------- */
.cat-hero{
  background-image:linear-gradient(rgba(239,243,240,.93),rgba(239,243,240,.97)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-mute)}
.crumb a{transition:color .2s var(--ease)}
.crumb a:hover{color:var(--jade-700)}
.crumb .sep{color:#B7C0BC}

.stat-block{display:flex;align-items:baseline;gap:8px}
.stat-num{font-size:26px;font-weight:700;color:var(--jade-700);font-family:'DIN Alternate','Barlow Semi Condensed',ui-monospace,monospace;font-variant-numeric:tabular-nums}
.stat-label{font-size:14px;color:var(--ink-mute)}

.hero-figure{position:relative;border-radius:20px;overflow:hidden;border:1px solid rgba(22,32,29,.08);box-shadow:0 18px 44px -22px rgba(22,32,29,.28);background:#fff}
.hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.hero-figure figcaption{
  position:absolute;left:14px;bottom:14px;
  background:rgba(12,33,29,.78);color:#E7F2EF;
  font-size:12px;padding:6px 12px;border-radius:999px;backdrop-filter:blur(4px);
}

/* ---------- point list ---------- */
.point-card{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--jade-50);border:1px solid #CFE4DE;border-radius:var(--r-md);
  padding:18px 18px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.point-card:hover{transform:translateY(-3px);box-shadow:0 6px 18px -8px rgba(22,32,29,.14);border-color:#A9D2C7}
.point-icon{
  flex:0 0 40px;width:40px;height:40px;border-radius:10px;background:#fff;
  display:flex;align-items:center;justify-content:center;
  color:var(--jade-700);font-family:'DIN Alternate',ui-monospace,monospace;
  font-weight:700;font-size:15px;border:1px solid #D6E9E4;
}
.point-card h3{font-size:16px;font-weight:600;color:var(--ink);line-height:26px}
.point-card p{font-size:14px;line-height:24px;color:var(--ink-soft);margin-top:4px}

/* ---------- article block ---------- */
.art h2{
  position:relative;font-size:22px;line-height:32px;font-weight:700;color:var(--ink);
  padding-left:14px;margin-top:36px;
}
.art h2:first-child{margin-top:0}
.art h2::before{content:"";position:absolute;left:0;top:6px;width:4px;height:20px;border-radius:2px;background:var(--jade-600)}
.art h3{font-size:18px;line-height:28px;font-weight:600;color:var(--ink);margin-top:22px}
.art p{font-size:16px;line-height:30px;color:var(--ink-soft);margin-top:12px}
.art ul{margin-top:12px}
.art li{position:relative;padding-left:20px;font-size:16px;line-height:30px;color:var(--ink-soft)}
.art li::before{content:"";position:absolute;left:4px;top:13px;width:5px;height:5px;border-radius:50%;background:var(--jade-300)}
.art .link-inline{color:var(--jade-700);border-bottom:1px dashed var(--jade-300);transition:border-color .2s var(--ease)}
.art .link-inline:hover{border-color:var(--jade-700)}

.tip-box{
  margin-top:24px;background:var(--jade-50);border-left:3px solid var(--jade-600);
  border-radius:12px;padding:16px 20px;
}
.tip-box strong{display:block;font-size:15px;color:var(--jade-700);font-weight:600}
.tip-box p{font-size:15px;line-height:26px;color:var(--ink-soft);margin-top:6px}

.warn-box{
  margin-top:24px;background:var(--clay-50);border-left:3px solid var(--clay-500);
  border-radius:12px;padding:16px 20px;
}
.warn-box strong{display:block;font-size:15px;color:#B94F2D;font-weight:600}
.warn-box p{font-size:15px;line-height:26px;color:var(--ink-soft);margin-top:6px}

.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;background:var(--jade-50);color:var(--jade-700);font-weight:600;
}
.tag-clay{background:var(--clay-50);color:#B94F2D}

/* ---------- checklist timeline ---------- */
.check-list{max-width:860px;margin:0 auto}
.check-item{
  display:flex;gap:18px;align-items:flex-start;
  padding:18px 16px;border-radius:12px;
  border-bottom:1px dashed var(--line);
  transition:background-color .2s var(--ease),transform .2s var(--ease);
}
.check-item:last-child{border-bottom:none}
.check-item:hover{background:rgba(231,242,239,.8);transform:translateX(2px)}
.check-num{
  flex:0 0 40px;width:40px;height:40px;border-radius:10px;
  background:rgba(14,107,92,.1);color:var(--jade-700);
  display:flex;align-items:center;justify-content:center;
  font-family:'DIN Alternate',ui-monospace,monospace;font-weight:700;font-size:14px;
}
.check-item h3{font-size:16px;line-height:26px;font-weight:600;color:var(--ink)}
.check-item p{font-size:14px;line-height:24px;color:var(--ink-soft);margin-top:4px}

/* ---------- risk compare ---------- */
.risk-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:0 1px 2px rgba(22,32,29,.05);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.risk-card:hover{transform:translateY(-3px);box-shadow:0 6px 18px -8px rgba(22,32,29,.14);border-color:rgba(14,107,92,.3)}
.risk-card.is-warn:hover{border-color:rgba(210,96,58,.45)}
.risk-head{display:flex;align-items:center;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.risk-dot{width:9px;height:9px;border-radius:50%;background:var(--jade-600);box-shadow:0 0 0 4px rgba(14,107,92,.12)}
.risk-dot.clay{background:var(--clay-500);box-shadow:0 0 0 4px rgba(210,96,58,.14)}
.risk-card h3{font-size:17px;font-weight:600;color:var(--ink)}
.risk-card ul{margin-top:14px}
.risk-card li{position:relative;padding-left:20px;font-size:15px;line-height:28px;color:var(--ink-soft)}
.risk-card li::before{content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:2px;background:var(--jade-300)}
.risk-card.is-warn li::before{background:#E4A98F}

/* ---------- steps ---------- */
.step-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;background:#fff}
.step-cell{padding:20px 20px 22px;border-right:1px solid var(--line);position:relative}
.step-cell:last-child{border-right:none}
.step-cell::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:transparent}
.step-cell.is-current::before{background:var(--jade-600)}
.step-idx{font-family:'DIN Alternate',ui-monospace,monospace;font-size:13px;font-weight:700;color:var(--jade-700);letter-spacing:.06em}
.step-cell h3{font-size:16px;font-weight:600;color:var(--ink);margin-top:10px;line-height:26px}
.step-cell p{font-size:14px;line-height:24px;color:var(--ink-soft);margin-top:6px}

/* ---------- faq ---------- */
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:0 1px 2px rgba(22,32,29,.05);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item + .faq-item{margin-top:12px}
.faq-item.open{border-color:rgba(14,107,92,.35);box-shadow:0 6px 18px -8px rgba(22,32,29,.14)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;text-align:left;
  padding:18px 20px;font-size:16px;line-height:26px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--jade-700)}
.faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--jade-600);border-radius:2px;transform:translate(-50%,-50%);transition:transform .24s var(--ease),opacity .24s var(--ease)}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:26px;color:var(--ink-soft)}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(135deg,#0C211D 0%,#0E6B5C 100%);
  border-radius:20px;padding:40px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px;line-height:34px;font-weight:700;color:#fff}
.cta-band p{font-size:15px;line-height:26px;color:#C9D6D1;margin-top:10px;max-width:560px}
.cta-band .btn-primary{background:#fff;color:#0B5749;box-shadow:none}
.cta-band .btn-primary:hover{background:#E7F2EF}
.cta-band .btn-outline{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.12)}

/* ---------- footer ---------- */
.footer-title{font-size:14px;font-weight:600;color:#fff;letter-spacing:.02em}
.footer-link{display:block;font-size:14px;line-height:26px;padding:5px 0;color:#C9D6D1;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-link:hover{color:#fff;transform:translateX(2px)}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;top:0;right:0;height:100%;width:88%;max-width:360px;background:#fff;z-index:70;
  transform:translateX(100%);transition:transform .28s var(--ease);
  padding:20px;overflow-y:auto;box-shadow:-18px 0 44px -22px rgba(22,32,29,.4);
}
.drawer.open{transform:translateX(0)}
.drawer-link{display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:10px;font-size:16px;color:var(--ink-soft);transition:background-color .2s var(--ease),color .2s var(--ease)}
.drawer-link:hover{background:var(--jade-50);color:var(--jade-700)}
.drawer-link.active{background:var(--jade-50);color:var(--jade-700);font-weight:600}
.overlay{position:fixed;inset:0;background:rgba(22,32,29,.5);opacity:0;pointer-events:none;transition:opacity .24s var(--ease);z-index:65}
.overlay.open{opacity:1;pointer-events:auto}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}

@media (max-width:1023px){
  .step-row{grid-template-columns:repeat(2,1fr)}
  .step-cell:nth-child(2){border-right:none}
  .step-cell:nth-child(1),.step-cell:nth-child(2){border-bottom:1px solid var(--line)}
}
@media (max-width:639px){
  .step-row{grid-template-columns:1fr}
  .step-cell{border-right:none;border-bottom:1px solid var(--line)}
  .step-cell:last-child{border-bottom:none}
  .cta-band{padding:28px 22px}
  .cta-band h2{font-size:20px;line-height:30px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category4 */
:root{
    --jade-50:#E7F2EF;
    --jade-400:#7FBFAF;
    --jade-600:#0E6B5C;
    --jade-700:#0B5749;
    --jade-900:#0C211D;
    --terra-50:#FBEDE6;
    --terra-500:#D2603A;
    --sand:#F7F4EE;
    --ink:#16201D;
    --ink-2:#3D4B47;
    --ink-3:#6B7B76;
    --line:#E3E0D8;
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
    background:var(--sand);
    color:var(--ink);
    font-size:16px;
    line-height:1.75;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input{font:inherit;color:inherit;}
  button{background:none;border:0;cursor:pointer;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}
  ::selection{background:rgba(14,107,92,.2);}
  :focus-visible{outline:2px solid var(--jade-600);outline-offset:2px;border-radius:6px;}

  .wrap{max-width:1200px;margin:0 auto;padding:0 24px;}
  @media (max-width:640px){ .wrap{padding:0 16px;} }

  .font-num{font-family:'DIN Alternate','Barlow Semi Condensed',ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;}

  /* ---- 导航 ---- */
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:38px;
    padding:0 14px;
    border-radius:999px;
    font-size:15px;
    color:var(--ink-2);
    transition:color 200ms var(--ease),background-color 200ms var(--ease);
  }
  .nav-link:hover{color:var(--jade-600);background:rgba(14,107,92,.07);}
  .nav-link.active{color:var(--jade-600);background:var(--jade-50);font-weight:600;}

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:10px;
    font-weight:600;
    white-space:nowrap;
    transition:background-color 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease),transform 200ms var(--ease),box-shadow 200ms var(--ease);
  }
  .btn-md{height:40px;padding:0 18px;font-size:15px;}
  .btn-lg{height:48px;padding:0 24px;font-size:16px;}
  .btn-primary{background:var(--jade-600);color:#fff;box-shadow:0 1px 2px rgba(22,32,29,.08);}
  .btn-primary:hover{background:var(--jade-700);transform:translateY(-1px);box-shadow:0 6px 18px -8px rgba(22,32,29,.28);}
  .btn-primary:active{transform:translateY(0);background:var(--jade-700);}
  .btn-ghost{background:transparent;color:var(--jade-600);border:1.5px solid var(--jade-600);}
  .btn-ghost:hover{background:rgba(14,107,92,.08);transform:translateY(-1px);}
  .btn-soft{background:rgba(14,107,92,.1);color:var(--jade-700);}
  .btn-soft:hover{background:rgba(14,107,92,.16);}
  .btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}
  .btn-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--jade-600);transition:gap 200ms var(--ease),color 200ms var(--ease);}
  .btn-arrow:hover{gap:10px;color:var(--jade-700);}

  /* ---- 抽屉 ---- */
  .drawer-mask{position:fixed;inset:0;background:rgba(22,32,29,.5);opacity:0;visibility:hidden;transition:opacity 220ms var(--ease),visibility 220ms var(--ease);z-index:60;}
  .drawer-mask.show{opacity:1;visibility:visible;}
  .drawer{position:fixed;top:0;right:0;height:100%;width:88%;max-width:360px;background:var(--sand);z-index:61;transform:translateX(101%);transition:transform 240ms var(--ease);display:flex;flex-direction:column;padding:18px 18px 28px;overflow-y:auto;box-shadow:-18px 0 44px -22px rgba(22,32,29,.4);}
  .drawer.show{transform:translateX(0);}
  .drawer-link{display:flex;align-items:center;height:48px;padding:0 12px;border-radius:10px;font-size:16px;color:var(--ink-2);transition:background-color 200ms var(--ease),color 200ms var(--ease);}
  .drawer-link:hover{background:rgba(14,107,92,.07);color:var(--jade-600);}
  .drawer-link.active{background:var(--jade-50);color:var(--jade-600);font-weight:600;}

  /* ---- 徽章 / 标签 ---- */
  .badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;background:rgba(14,107,92,.08);color:var(--jade-700);}
  .badge-terra{background:var(--terra-50);color:var(--terra-500);}
  .badge-line{background:#fff;border:1px solid var(--line);color:var(--ink-2);font-weight:500;}
  .dot{width:6px;height:6px;border-radius:999px;background:var(--terra-500);display:inline-block;}

  /* ---- 面包屑 ---- */
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);}
  .crumb a{color:var(--ink-2);transition:color 200ms var(--ease);}
  .crumb a:hover{color:var(--jade-600);}
  .crumb .sep{color:#C4C0B6;}

  /* ---- 搜索 ---- */
  .search-shell{
    display:flex;
    align-items:center;
    gap:12px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:12px;
    padding:0 16px;
    height:60px;
    transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
    box-shadow:0 1px 2px rgba(22,32,29,.05);
  }
  .search-shell:focus-within{border-color:var(--jade-600);box-shadow:0 0 0 3px rgba(14,107,92,.18);}
  .search-shell input{
    flex:1;
    min-width:0;
    height:100%;
    border:0;
    outline:none;
    background:transparent;
    font-size:16px;
    color:var(--ink);
  }
  .search-shell input::placeholder{color:#9AA6A1;}
  .search-btn{height:40px;padding:0 20px;border-radius:8px;background:var(--jade-600);color:#fff;font-size:15px;font-weight:600;transition:background-color 200ms var(--ease),transform 200ms var(--ease);}
  .search-btn:hover{background:var(--jade-700);transform:translateY(-1px);}

  .chip{display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14px;color:var(--ink-2);transition:all 200ms var(--ease);}
  .chip:hover{border-color:rgba(14,107,92,.4);color:var(--jade-600);}
  .chip.is-active{background:var(--jade-600);border-color:var(--jade-600);color:#fff;font-weight:600;}

  .notice-bar{display:none;align-items:center;gap:10px;margin-top:14px;padding:12px 16px;border-radius:10px;background:rgba(14,107,92,.08);color:var(--jade-700);font-size:14px;}
  .notice-bar.show{display:flex;}

  /* ---- FAQ ---- */
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 1px 2px rgba(22,32,29,.05);transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease),transform 200ms var(--ease);}
  .faq-item:hover{border-color:rgba(14,107,92,.3);box-shadow:0 6px 18px -8px rgba(22,32,29,.14);}
  .faq-item.open{border-color:rgba(14,107,92,.45);box-shadow:0 6px 18px -8px rgba(22,32,29,.14);}
  .faq-q{width:100%;display:flex;align-items:flex-start;gap:12px;padding:18px 20px;text-align:left;}
  .faq-idx{flex:none;font-family:'DIN Alternate','Barlow Semi Condensed',ui-monospace,monospace;font-size:13px;font-weight:700;color:var(--jade-600);background:rgba(14,107,92,.08);border-radius:8px;padding:3px 8px;line-height:18px;margin-top:2px;}
  .faq-text{flex:1;font-size:16px;line-height:26px;font-weight:600;color:var(--ink);}
  .faq-icon{position:relative;flex:none;width:20px;height:20px;margin-top:4px;color:var(--jade-600);transition:transform 240ms var(--ease);}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;transform:translate(-50%,-50%);}
  .faq-icon::before{width:14px;height:1.8px;}
  .faq-icon::after{width:1.8px;height:14px;transition:transform 240ms var(--ease),opacity 240ms var(--ease);}
  .faq-item.open .faq-icon{transform:rotate(180deg);}
  .faq-item.open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
  .faq-a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease);}
  .faq-a-inner{padding:0 20px 20px 62px;font-size:15px;line-height:26px;color:var(--ink-2);}
  .faq-a-inner p + p{margin-top:10px;}
  .faq-a-inner .tip{margin-top:12px;padding:12px 14px;border-radius:10px;background:rgba(14,107,92,.07);color:var(--jade-700);font-size:14px;line-height:24px;}
  .faq-topic{display:inline-block;margin-bottom:8px;font-size:12px;font-weight:600;color:var(--terra-500);background:var(--terra-50);border-radius:999px;padding:2px 10px;}
  @media (max-width:640px){
    .faq-a-inner{padding-left:20px;}
  }

  /* ---- 空态 ---- */
  .empty-state{display:none;max-width:460px;margin:0 auto;text-align:center;padding:48px 24px;background:var(--jade-50);border:1px dashed rgba(14,107,92,.35);border-radius:14px;}
  .empty-state.show{display:block;}

  /* ---- 清单 ---- */
  .check-row{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);transition:background-color 200ms var(--ease),padding-left 200ms var(--ease);}
  .check-row:last-child{border-bottom:0;}
  .check-row:hover{background:rgba(14,107,92,.08);padding-left:6px;border-radius:10px;}
  .check-num{flex:none;width:34px;height:34px;border-radius:8px;background:rgba(14,107,92,.1);color:var(--jade-700);display:flex;align-items:center;justify-content:center;font-family:'DIN Alternate',ui-monospace,monospace;font-weight:700;font-size:14px;}

  /* ---- 页脚 ---- */
  .footer-title{font-size:14px;font-weight:600;color:#fff;letter-spacing:.02em;}
  .footer-link{display:block;padding:5px 0;font-size:14px;line-height:24px;color:#C9D6D1;transition:color 200ms var(--ease),transform 200ms var(--ease);}
  .footer-link:hover{color:#fff;transform:translateX(2px);}

  /* ---- 进场动画 ---- */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--ease),transform 520ms var(--ease);}
  .reveal.in{opacity:1;transform:none;}
  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    .reveal{opacity:1;transform:none;transition:none;}
    *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  }

  .hero-grid-bg{
    position:absolute;inset:0;
    background-image:linear-gradient(rgba(14,107,92,.05) 1px, transparent 1px),linear-gradient(90deg, rgba(14,107,92,.05) 1px, transparent 1px);
    background-size:44px 44px;
    opacity:.5;
    pointer-events:none;
    mask-image:radial-gradient(ellipse at 30% 20%, #000 10%, transparent 72%);
    -webkit-mask-image:radial-gradient(ellipse at 30% 20%, #000 10%, transparent 72%);
  }
  .hero-glow{
    position:absolute;width:420px;height:420px;border-radius:50%;
    background:radial-gradient(circle, rgba(127,191,175,.35) 0%, rgba(127,191,175,0) 68%);
    top:-140px;right:-80px;pointer-events:none;
  }

/* roulang page: category5 */
:root{
  --jade-600:#0E6B5C; --jade-700:#0B5749; --jade-300:#7FBFAF; --jade-50:#E7F2EF;
  --clay:#D2603A; --clay-50:#FBEDE6;
  --ink:#16201D; --ink-2:#3D4B47; --ink-3:#6B7B76;
  --sand:#F7F4EE; --card:#FFFFFF; --sub:#EFF3F0; --line:#E3E0D8;
  --r-s:8px; --r-m:14px; --r-l:20px;
  --sh-1:0 1px 2px rgba(22,32,29,.05);
  --sh-2:0 6px 18px -8px rgba(22,32,29,.14);
  --sh-3:0 18px 44px -22px rgba(22,32,29,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0; background:var(--sand); color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px; line-height:1.75; -webkit-font-smoothing:antialiased;
  letter-spacing:.01em;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
input{ font:inherit; }
::selection{ background:rgba(14,107,92,.2); }
:focus-visible{ outline:none; box-shadow:0 0 0 3px rgba(14,107,92,.28); border-radius:6px; }
.mono{ font-family:"DIN Alternate","Barlow Semi Condensed",ui-monospace,SFMono-Regular,Menlo,monospace; font-variant-numeric:tabular-nums; }

.wrap{ max-width:1200px; margin:0 auto; padding:0 24px; }

/* 导航 */
.nav-link{
  position:relative; display:inline-flex; align-items:center; height:40px;
  padding:0 14px; border-radius:999px; font-size:15px; color:var(--ink-2);
  transition:color .2s var(--ease), background-color .2s var(--ease);
}
.nav-link::after{
  content:''; position:absolute; left:50%; bottom:2px; transform:translateX(-50%);
  width:0; height:2px; background:var(--jade-600); border-radius:2px;
  transition:width .2s var(--ease);
}
.nav-link:hover{ color:var(--jade-600); }
.nav-link:hover::after{ width:18px; }
.nav-link.active{ background:var(--jade-50); color:var(--jade-600); font-weight:600; }
.nav-link.active::after{ width:0; }

/* 按钮 */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  border-radius:10px; font-weight:600; white-space:nowrap;
  transition:transform .2s var(--ease), background-color .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.btn:focus-visible{ box-shadow:0 0 0 3px rgba(14,107,92,.3); }
.btn-md{ height:40px; padding:0 18px; font-size:15px; }
.btn-lg{ height:48px; padding:0 24px; font-size:16px; }
.btn-primary{ background:var(--jade-600); color:#fff; box-shadow:var(--sh-1); }
.btn-primary:hover{ background:var(--jade-700); transform:translateY(-1px); box-shadow:var(--sh-2); }
.btn-primary:active{ transform:translateY(0); }
.btn-primary[disabled]{ opacity:.55; transform:none; cursor:not-allowed; }
.btn-outline{ border:1.5px solid var(--jade-600); color:var(--jade-600); background:#fff; }
.btn-outline:hover{ background:var(--jade-50); transform:translateY(-1px); }
.btn-outline:active{ transform:translateY(0); }
.btn-quiet{ color:var(--jade-600); font-weight:600; }
.btn-quiet:hover{ color:var(--jade-700); }
.btn-quiet svg{ transition:transform .2s var(--ease); }
.btn-quiet:hover svg{ transform:translateX(3px); }

/* 徽章 */
.chip{
  display:inline-flex; align-items:center; gap:6px; height:24px; padding:0 10px;
  border-radius:999px; font-size:12px; line-height:1; font-weight:600;
  background:var(--jade-50); color:var(--jade-600);
}
.chip-clay{ background:var(--clay-50); color:var(--clay); }
.chip-plain{ background:var(--sub); color:var(--ink-2); font-weight:500; }

/* 页脚 */
.footer-title{ font-size:14px; font-weight:600; color:#fff; margin:0; }
.footer-link{
  display:block; padding:5px 0; font-size:14px; color:#C9D6D1;
  transition:color .2s var(--ease), transform .2s var(--ease);
}
.footer-link:hover{ color:#fff; transform:translateX(2px); }

/* 公告筛选条 */
.filter-btn{
  display:inline-flex; align-items:center; height:36px; padding:0 16px;
  border-radius:999px; border:1px solid var(--line); background:#fff;
  font-size:14px; color:var(--ink-2); transition:all .2s var(--ease);
}
.filter-btn:hover{ border-color:rgba(14,107,92,.4); color:var(--jade-600); }
.filter-btn.is-active{ background:var(--jade-600); border-color:var(--jade-600); color:#fff; font-weight:600; }

/* 时间轴 */
.tl-group{ margin-bottom:36px; }
.tl-year{
  font-size:15px; font-weight:700; color:var(--ink); margin:0 0 14px;
  display:flex; align-items:center; gap:10px;
}
.tl-year::before{ content:''; width:4px; height:16px; border-radius:2px; background:var(--jade-600); }
.tl-list{ list-style:none; margin:0; padding:0; }
.tl-item{ display:grid; grid-template-columns:92px 28px 1fr; align-items:start; }
.tl-date{ padding-top:20px; display:flex; flex-direction:column; }
.tl-date .d{ font-size:17px; font-weight:700; color:var(--jade-600); letter-spacing:.02em; }
.tl-date .w{ font-size:12px; color:var(--ink-3); }
.tl-axis{ position:relative; align-self:stretch; min-height:100%; }
.tl-axis::before{
  content:''; position:absolute; left:50%; top:0; bottom:0; width:1px;
  background:var(--line); transform:translateX(-50%);
}
.tl-item:first-child .tl-axis::before{ top:22px; }
.tl-item:last-child .tl-axis::before{ bottom:calc(100% - 24px); }
.tl-dot{
  position:absolute; left:50%; top:22px; transform:translateX(-50%);
  width:9px; height:9px; border-radius:50%; background:var(--jade-600);
  box-shadow:0 0 0 4px var(--jade-50);
}
.tl-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--r-m);
  padding:20px 22px; margin:0 0 16px 0; box-shadow:var(--sh-1);
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.tl-card:hover{ transform:translateY(-2px); box-shadow:var(--sh-2); border-color:rgba(14,107,92,.3); }
.tl-card h3{ font-size:17px; line-height:1.55; font-weight:600; margin:10px 0 8px; color:var(--ink); }
.tl-card p{ margin:0 0 12px; font-size:14px; line-height:1.85; color:var(--ink-2); }
.tl-more{ font-size:14px; font-weight:600; color:var(--jade-600); display:inline-flex; align-items:center; gap:6px; }
.tl-more svg{ transition:transform .2s var(--ease); }
.tl-more:hover svg{ transform:translateX(3px); }

/* 通用卡片 */
.card{
  background:#fff; border:1px solid var(--line); border-radius:var(--r-m);
  box-shadow:var(--sh-1); padding:22px;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.card:hover{ transform:translateY(-3px); box-shadow:var(--sh-2); border-color:rgba(14,107,92,.3); }
.icon-box{
  width:38px; height:38px; border-radius:10px; background:var(--jade-50);
  display:flex; align-items:center; justify-content:center; color:var(--jade-600); flex:0 0 auto;
}

/* 统计块 */
.stat{
  background:#fff; border:1px solid var(--line); border-radius:var(--r-m);
  padding:16px 18px; box-shadow:var(--sh-1);
}
.stat .num{ font-size:24px; font-weight:700; color:var(--jade-600); line-height:1.2; }
.stat .lbl{ font-size:13px; color:var(--ink-3); margin-top:2px; }

/* FAQ */
.faq-item{
  background:#fff; border:1px solid var(--line); border-radius:12px;
  margin-bottom:12px; overflow:hidden; transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.faq-item:hover{ border-color:rgba(14,107,92,.3); }
.faq-item.open{ box-shadow:var(--sh-2); border-color:rgba(14,107,92,.28); }
.faq-q{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:18px 20px; text-align:left; font-size:16px; font-weight:600; color:var(--ink); line-height:1.6;
}
.faq-icon{ position:relative; width:16px; height:16px; flex:0 0 auto; }
.faq-icon::before,.faq-icon::after{
  content:''; position:absolute; background:var(--jade-600); border-radius:2px;
  transition:transform .24s var(--ease), opacity .24s var(--ease);
}
.faq-icon::before{ left:0; top:7px; width:16px; height:2px; }
.faq-icon::after{ left:7px; top:0; width:2px; height:16px; }
.faq-item.open .faq-icon::after{ transform:rotate(90deg); opacity:0; }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .24s var(--ease); }
.faq-item.open .faq-a{ max-height:420px; }
.faq-a-inner{ padding:0 20px 20px; font-size:15px; line-height:1.9; color:var(--ink-2); }

/* 订阅表单 */
.field{
  width:100%; height:48px; padding:0 16px; border-radius:10px;
  border:1px solid var(--line); background:#fff; color:var(--ink); font-size:15px;
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field::placeholder{ color:var(--ink-3); }
.field:focus{ outline:none; border-color:var(--jade-600); box-shadow:0 0 0 3px rgba(14,107,92,.18); }
.notice-bar{
  display:none; margin-top:12px; padding:10px 14px; border-radius:10px;
  background:var(--jade-50); color:var(--jade-700); font-size:14px;
}
.notice-bar.show{ display:block; }

/* 移动抽屉 */
.drawer{
  position:fixed; top:0; right:0; height:100%; width:88%; max-width:380px;
  background:#fff; z-index:70; transform:translateX(102%);
  transition:transform .28s var(--ease); display:flex; flex-direction:column;
  box-shadow:var(--sh-3);
}
.drawer.open{ transform:translateX(0); }
.drawer-mask{
  position:fixed; inset:0; background:rgba(22,32,29,.5); z-index:60;
  opacity:0; visibility:hidden; transition:opacity .24s var(--ease), visibility .24s var(--ease);
}
.drawer-mask.open{ opacity:1; visibility:visible; }
.drawer-link{
  display:flex; align-items:center; min-height:48px; padding:0 4px;
  font-size:16px; color:var(--ink-2); border-bottom:1px solid var(--sub);
}
.drawer-link.active{ color:var(--jade-600); font-weight:600; }

/* 进场动画 */
.reveal{ opacity:0; transform:translateY(12px); transition:opacity .5s var(--ease), transform .5s var(--ease); }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; }
  .reveal{ opacity:1; transform:none; }
  html{ scroll-behavior:auto; }
}

/* 响应式 */
@media (max-width:1023px){
  .tl-item{ grid-template-columns:84px 24px 1fr; }
}
@media (max-width:767px){
  .wrap{ padding:0 16px; }
  .tl-item{ grid-template-columns:1fr; }
  .tl-axis{ display:none; }
  .tl-date{ flex-direction:row; align-items:baseline; gap:8px; padding:0 0 8px 0; }
  .tl-card{ margin-bottom:14px; padding:18px; }
}