/* roulang page: index */
:root{
    --green:#2E7D5B;
    --green-deep:#1C5440;
    --green-tint:#E8F2EA;
    --orange:#F0932B;
    --orange-deep:#D9770F;
    --cinnabar:#D94F2B;
    --bg:#FBF8F1;
    --surface:#FFFFFF;
    --bg-alt:#F3F6F1;
    --ink:#16231D;
    --ink-2:#55665C;
    --ink-3:#8A968D;
    --line:#E2E8E1;
    --r-card:16px;
    --r-img:14px;
    --r-pill:999px;
    --r-chip:6px;
    --r-input:10px;
    --sh-1:0 1px 2px rgba(28,84,64,.06);
    --sh-2:0 10px 28px rgba(28,84,64,.12);
    --sh-glass:0 8px 24px rgba(28,84,64,.10);
  }

  *,*::before,*::after{ box-sizing:border-box; }
  html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
    font-size:16.5px;
    line-height:1.9;
    letter-spacing:0;
    overflow-x:hidden;
  }
  img{ max-width:100%; display:block; }
  a{ color:inherit; text-decoration:none; transition:color .18s ease, background-color .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease; }
  button{ font-family:inherit; cursor:pointer; border:none; background:none; }
  input,select{ font-family:inherit; font-size:15px; color:var(--ink); }
  h1,h2,h3,h4{ margin:0; font-weight:700; letter-spacing:-0.01em; color:var(--ink); }
  h2{ font-size:clamp(23px,3vw,32px); line-height:1.35; }
  h3{ font-size:18px; line-height:1.5; font-weight:600; }
  p{ margin:0 0 1.05em; }
  ul,ol{ margin:0; padding:0; list-style:none; }
  :focus-visible{ outline:2px solid var(--green); outline-offset:2px; border-radius:4px; }

  .container{ width:100%; max-width:1200px; margin:0 auto; padding-left:20px; padding-right:20px; }
  @media (min-width:768px){ .container{ padding-left:24px; padding-right:24px; } }
  @media (min-width:1024px){ .container{ padding-left:32px; padding-right:32px; } }

  .section{ padding:48px 0; }
  @media (min-width:1024px){ .section{ padding:72px 0; } }
  .section-head{ margin-bottom:28px; }
  .section-head p{ color:var(--ink-2); font-size:15.5px; max-width:760px; margin:10px 0 0; }
  .eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    font-size:13px; font-weight:600; color:var(--green-deep);
    background:var(--green-tint); border-radius:var(--r-chip);
    padding:5px 11px; margin-bottom:14px;
  }
  .eyebrow::before{ content:""; width:6px; height:6px; border-radius:50%; background:var(--orange); }

  /* ---------- 导航 ---------- */
  .site-header{
    position:fixed; top:0; left:0; right:0; z-index:60;
    background:rgba(251,248,241,.72);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    backdrop-filter:blur(14px) saturate(140%);
    border-bottom:1px solid rgba(255,255,255,.6);
    box-shadow:var(--sh-glass);
    transition:background-color .2s ease, box-shadow .2s ease, border-color .2s ease;
  }
  .site-header.is-solid{
    background:rgba(255,255,255,.96);
    border-bottom-color:var(--line);
    box-shadow:0 6px 20px rgba(28,84,64,.09);
  }
  .nav-wrap{ display:flex; align-items:center; justify-content:space-between; height:72px; gap:16px; }
  .brand{ display:flex; align-items:center; gap:10px; flex-shrink:0; }
  .brand-mark{
    width:26px; height:26px; position:relative; flex:none;
    border-radius:50%; background:var(--green);
  }
  .brand-mark::after{
    content:""; position:absolute; inset:7px 7px 6px 7px;
    border-radius:50% 50% 50% 12%;
    background:var(--orange);
  }
  .brand-text{ font-size:19px; font-weight:700; color:var(--green-deep); white-space:nowrap; }
  .nav-links{ display:none; align-items:center; gap:26px; }
  @media (min-width:1024px){ .nav-links{ display:flex; } }
  .nav-link{ position:relative; font-size:15px; color:var(--ink-2); padding:8px 2px; white-space:nowrap; }
  .nav-link:hover{ color:var(--green); }
  .nav-link.active{ color:var(--green-deep); font-weight:600; }
  .nav-link.active::after{
    content:""; position:absolute; left:0; right:0; bottom:0;
    height:2px; border-radius:2px; background:var(--green);
  }
  .nav-right{ display:flex; align-items:center; gap:10px; flex-shrink:0; }
  .icon-btn{
    width:38px; height:38px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    color:var(--ink-2); background:rgba(255,255,255,.6);
    border:1px solid var(--line);
  }
  .icon-btn:hover{ color:var(--green); background:#fff; }
  .menu-btn{ display:flex; width:38px; height:38px; border-radius:10px; align-items:center; justify-content:center; color:var(--ink); border:1px solid var(--line); background:rgba(255,255,255,.7); }
  @media (min-width:1024px){ .menu-btn{ display:none; } }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    border-radius:var(--r-pill);
    font-size:15px; font-weight:600; line-height:1;
    padding:13px 24px;
    transition:background-color .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    white-space:nowrap;
  }
  .btn-sm{ padding:10px 18px; font-size:14px; }
  .btn-primary{ background:var(--green); color:#fff; box-shadow:var(--sh-1); }
  .btn-primary:hover{ background:var(--green-deep); transform:translateY(-1px); box-shadow:var(--sh-2); }
  .btn-primary:active{ transform:translateY(0); }
  .btn-ghost{ background:#fff; color:var(--green); border:1.5px solid var(--green); }
  .btn-ghost:hover{ background:var(--green-tint); transform:translateY(-1px); }
  .btn-pulp{ background:var(--orange-deep); color:#fff; }
  .btn-pulp:hover{ background:var(--orange); transform:translateY(-1px); }
  .btn-light{ background:#fff; color:var(--green-deep); }
  .btn-light:hover{ background:var(--green-tint); transform:translateY(-1px); }

  /* ---------- 倒计时条 ---------- */
  .countdown-bar{ background:var(--green-deep); color:#fff; margin-top:72px; }
  .cd-inner{ display:flex; flex-direction:column; gap:12px; padding:14px 0; }
  @media (min-width:768px){
    .cd-inner{ flex-direction:row; align-items:center; gap:20px; padding:12px 0; }
  }
  .cd-text{ margin:0; font-size:14.5px; color:rgba(255,255,255,.9); }
  .cd-text b{ color:#fff; }
  .cd-nums{ display:flex; align-items:center; gap:6px; }
  .cd-cell{
    min-width:42px; padding:5px 8px; text-align:center;
    background:var(--orange-deep); color:#fff;
    border-radius:8px; font-size:19px; font-weight:700;
    font-variant-numeric:tabular-nums;
    font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  }
  .cd-sep{ color:rgba(255,255,255,.55); font-weight:700; }
  .cd-inner .btn{ align-self:flex-start; }
  @media (max-width:767px){ .cd-inner .btn{ width:100%; } }

  /* ---------- Hero ---------- */
  .hero{ position:relative; overflow:hidden; padding:56px 0 56px; }
  @media (min-width:1024px){ .hero{ padding:76px 0 72px; } }
  .hero-vine{ position:absolute; top:-40px; left:-60px; width:520px; opacity:.06; pointer-events:none; }
  .hero-grid{ position:relative; display:grid; grid-template-columns:1fr; gap:36px; align-items:center; }
  @media (min-width:1024px){ .hero-grid{ grid-template-columns:7fr 5fr; gap:52px; } }
  .hero h1{
    font-size:clamp(30px,4.4vw,46px);
    line-height:1.25;
    font-weight:700;
    margin:14px 0 16px;
  }
  .hero-sub{ font-size:17px; color:var(--ink-2); margin:0 0 22px; max-width:560px; }
  .hero-points{ display:flex; flex-wrap:wrap; gap:10px 22px; margin-bottom:28px; }
  .hero-point{ display:flex; align-items:center; gap:8px; font-size:15px; color:var(--ink-2); }
  .hero-point svg{ flex:none; color:var(--green); }
  .hero-actions{ display:flex; flex-wrap:wrap; gap:12px; }
  .hero-media{ position:relative; }
  .hero-media img{
    width:100%; aspect-ratio:16/11; object-fit:cover;
    border-radius:var(--r-img);
    box-shadow:var(--sh-2);
  }
  .hero-badge{
    position:absolute; left:16px; bottom:-18px;
    background:#fff; border:1px solid var(--line); border-radius:var(--r-card);
    box-shadow:var(--sh-2); padding:12px 18px;
  }
  .hero-badge strong{ display:block; font-size:22px; color:var(--orange-deep); font-variant-numeric:tabular-nums; }
  .hero-badge span{ font-size:13px; color:var(--ink-2); }

  /* ---------- 卖点 ---------- */
  .feature-list{ display:grid; grid-template-columns:1fr; gap:18px; }
  @media (min-width:768px){ .feature-list{ grid-template-columns:1fr 1fr; gap:22px; } }
  .feature-item{
    display:flex; gap:16px; padding:22px 22px 20px;
    background:var(--surface); border:1px solid var(--line);
    border-radius:var(--r-card); box-shadow:var(--sh-1);
    transition:box-shadow .2s ease, transform .2s ease;
  }
  .feature-item:nth-child(2){ margin-top:0; }
  @media (min-width:768px){ .feature-item:nth-child(2){ margin-top:26px; } .feature-item:nth-child(4){ margin-top:26px; } }
  .feature-item:hover{ box-shadow:var(--sh-2); transform:translateY(-3px); }
  .feature-num{
    font-size:26px; font-weight:700; color:var(--green-tint);
    line-height:1; flex:none; width:44px;
    font-variant-numeric:tabular-nums;
  }
  .feature-item h3{ margin-bottom:8px; }
  .feature-item p{ margin:0; font-size:14.5px; color:var(--ink-2); line-height:1.75; }
  .feature-icon{ color:var(--orange); margin-bottom:10px; }

  /* ---------- 图墙 ---------- */
  .wall{ display:grid; grid-template-columns:repeat(12,1fr); gap:16px; }
  .wall figure{ margin:0; position:relative; overflow:hidden; border-radius:var(--r-img); box-shadow:var(--sh-1); }
  .wall img{ width:100%; height:100%; object-fit:cover; transition:transform .35s ease; }
  .wall figure:hover img{ transform:scale(1.02); }
  .wall figcaption{
    position:absolute; left:12px; bottom:12px;
    background:rgba(22,35,29,.72); color:#fff;
    font-size:12.5px; line-height:1; padding:7px 11px; border-radius:var(--r-chip);
  }
  .wall-tag{
    position:absolute; right:12px; top:12px;
    background:var(--cinnabar); color:#fff;
    font-size:12px; line-height:1; padding:6px 10px; border-radius:var(--r-chip);
  }
  .w-6{ grid-column:span 12; } .w-3{ grid-column:span 6; } .w-4{ grid-column:span 12; }
  @media (min-width:768px){ .w-6{ grid-column:span 6; } .w-3{ grid-column:span 3; } .w-4{ grid-column:span 4; } }
  .wall-note{
    grid-column:span 12;
    background:var(--bg-alt); border:1px dashed var(--line); border-radius:var(--r-img);
    padding:20px; display:flex; flex-direction:column; justify-content:center; gap:8px;
  }
  @media (min-width:768px){ .wall-note{ grid-column:span 4; } }
  .wall-note h3{ font-size:17px; }
  .wall-note p{ margin:0; font-size:14px; color:var(--ink-2); }

  /* ---------- CTA 表单 ---------- */
  .cta-band{ background:var(--green-tint); border-radius:24px; padding:32px 22px; }
  @media (min-width:1024px){ .cta-band{ padding:48px 44px; } }
  .cta-grid{ display:grid; grid-template-columns:1fr; gap:28px; }
  @media (min-width:1024px){ .cta-grid{ grid-template-columns:1fr 1fr; gap:52px; align-items:center; } }
  .cta-band h2{ margin-bottom:12px; }
  .cta-band p{ color:var(--ink-2); font-size:15.5px; }
  .form-row{ display:grid; grid-template-columns:1fr; gap:14px; margin-bottom:14px; }
  @media (min-width:640px){ .form-row{ grid-template-columns:1fr 1fr; } }
  .field label{ display:block; font-size:13.5px; color:var(--ink-2); margin-bottom:6px; }
  .field input,.field select{
    width:100%; padding:12px 14px; border:1px solid var(--line);
    border-radius:var(--r-input); background:#fff; outline:none;
    transition:border-color .18s ease, box-shadow .18s ease;
  }
  .field input:focus,.field select:focus{ border-color:var(--green); box-shadow:0 0 0 3px rgba(46,125,91,.14); }
  .form-hint{ font-size:13px; color:var(--ink-3); margin:10px 0 16px; }
  .form-msg{ font-size:13.5px; color:var(--green-deep); margin-top:12px; display:none; }
  .form-msg.show{ display:block; }

  /* ---------- FAQ ---------- */
  .faq{ max-width:860px; margin:0 auto; }
  .faq-item{ border-bottom:1px solid var(--line); }
  .faq-q{
    width:100%; display:flex; align-items:flex-start; justify-content:space-between; gap:16px;
    padding:20px 0; text-align:left; font-size:16.5px; font-weight:600; color:var(--ink);
  }
  .faq-q:hover{ color:var(--green); }
  .faq-q .plus{ flex:none; color:var(--green); transition:transform .2s ease; margin-top:2px; }
  .faq-item.open .faq-q .plus{ transform:rotate(45deg); }
  .faq-a{ max-height:0; overflow:hidden; transition:max-height .2s ease; }
  .faq-a p{ padding:0 0 20px 0; margin:0; font-size:15px; color:var(--ink-2); line-height:1.85; }

  /* ---------- 资讯 ---------- */
  .news-grid{ display:grid; grid-template-columns:1fr; gap:18px; }
  @media (min-width:768px){ .news-grid{ grid-template-columns:repeat(2,1fr); } }
  .news-card{
    display:flex; flex-direction:column; gap:14px;
    background:var(--surface); border:1px solid var(--line);
    border-radius:var(--r-card); padding:16px; box-shadow:var(--sh-1);
    transition:box-shadow .2s ease, transform .2s ease;
  }
  @media (min-width:520px){ .news-card{ flex-direction:row; } }
  .news-card:hover{ box-shadow:var(--sh-2); transform:translateY(-3px); }
  @media (min-width:768px){ .news-card.featured{ grid-column:span 2; } }
  .news-thumb{ flex:none; width:100%; border-radius:var(--r-img); overflow:hidden; }
  @media (min-width:520px){ .news-thumb{ width:200px; } }
  .news-thumb img{ width:100%; height:100%; aspect-ratio:16/10; object-fit:cover; }
  @media (min-width:520px){ .news-thumb img{ height:130px; aspect-ratio:auto; } }
  @media (min-width:768px){ .news-card.featured .news-thumb{ width:280px; } .news-card.featured .news-thumb img{ height:180px; } }
  .news-body{ min-width:0; flex:1; }
  .news-body h3{
    font-size:17px; line-height:1.5; margin:2px 0 8px;
    display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
  }
  .news-body p{
    margin:0 0 12px; font-size:14px; color:var(--ink-2); line-height:1.7;
    display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
  }
  .news-meta{ display:flex; align-items:center; gap:10px; font-size:13px; color:var(--ink-3); }
  .badge{
    display:inline-block; background:var(--green-tint); color:var(--green-deep);
    font-size:12.5px; font-weight:600; padding:4px 9px; border-radius:var(--r-chip);
  }
  .news-arrow{ margin-left:auto; color:var(--green); font-weight:600; }
  .news-empty{
    grid-column:span 1; border:1px dashed var(--line); border-radius:var(--r-card);
    padding:44px 20px; text-align:center; background:var(--surface); color:var(--ink-2);
  }
  @media (min-width:768px){ .news-empty{ grid-column:span 2; } }
  .news-empty svg{ margin:0 auto 12px; color:var(--ink-3); }

  /* ---------- 页脚 ---------- */
  .site-footer{ background:var(--green-deep); color:rgba(255,255,255,.82); padding:56px 0 0; margin-top:24px; }
  .footer-grid{ display:grid; grid-template-columns:1fr; gap:32px; padding-bottom:36px; }
  @media (min-width:768px){ .footer-grid{ grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:28px; } }
  .footer-brand{ display:flex; align-items:center; gap:10px; margin-bottom:14px; }
  .footer-brand .brand-mark{ background:#fff; }
  .footer-brand .brand-mark::after{ background:var(--orange); }
  .footer-brand span{ font-size:18px; font-weight:700; color:#fff; }
  .site-footer h4{ color:#fff; font-size:15px; margin-bottom:14px; }
  .site-footer p{ font-size:14px; line-height:1.8; margin:0 0 10px; }
  .footer-links li{ margin-bottom:10px; }
  .footer-links a{ font-size:14px; color:rgba(255,255,255,.82); }
  .footer-links a:hover{ color:var(--orange); text-decoration:underline; }
  .footer-domain{ font-size:13.5px; color:rgba(255,255,255,.62); }
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.16);
    padding:18px 0 22px; font-size:13.5px; color:rgba(255,255,255,.62);
    display:flex; flex-wrap:wrap; gap:8px; justify-content:space-between;
  }

  /* ---------- 移动抽屉 ---------- */
  .drawer-mask{
    position:fixed; inset:0; background:rgba(22,35,29,.36);
    opacity:0; visibility:hidden; transition:opacity .25s ease, visibility .25s ease; z-index:70;
  }
  .drawer-mask.open{ opacity:1; visibility:visible; }
  .drawer{
    position:fixed; top:0; right:0; bottom:0; width:min(320px,86vw);
    background:#fff; z-index:80; transform:translateX(100%);
    transition:transform .25s ease; display:flex; flex-direction:column;
    box-shadow:-12px 0 32px rgba(28,84,64,.16);
  }
  .drawer.open{ transform:translateX(0); }
  .drawer-head{ display:flex; align-items:center; justify-content:space-between; padding:18px 20px; border-bottom:1px solid var(--line); font-weight:700; color:var(--green-deep); }
  .drawer-nav{ flex:1; overflow-y:auto; padding:8px 0; }
  .drawer-nav a{ display:block; padding:15px 20px; font-size:15.5px; color:var(--ink); border-bottom:1px solid var(--line); }
  .drawer-nav a.active{ color:var(--green-deep); font-weight:600; background:var(--green-tint); }
  .drawer-foot{ padding:16px 20px; border-top:1px solid var(--line); }
  .drawer-foot .btn{ width:100%; }

  .sr-only{
    position:absolute; width:1px; height:1px; padding:0; margin:-1px;
    overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
  }

/* roulang page: category1 */
:root{
  --moss:#2E7D5B;
  --moss-dark:#1C5440;
  --moss-light:#E8F2EA;
  --rind:#F0932B;
  --rind-dark:#D9770F;
  --cinnabar:#D94F2B;
  --bg:#FBF8F1;
  --panel:#FFFFFF;
  --bg-alt:#F3F6F1;
  --ink:#16231D;
  --ink-2:#55665C;
  --ink-3:#8A968D;
  --line:#E2E8E1;
  --r-card:16px;
  --r-pic:14px;
  --r-pill:999px;
  --r-badge:6px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(28,84,64,.06);
  --sh-2:0 10px 28px rgba(28,84,64,.12);
  --sh-nav:0 8px 24px rgba(28,84,64,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:0;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--moss);outline-offset:2px;border-radius:4px}
[id]{scroll-margin-top:96px}

.container{
  width:100% !important;
  max-width:1200px !important;
  margin-left:auto !important;
  margin-right:auto !important;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(251,248,241,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.6);
  box-shadow:var(--sh-nav);
  transition:background .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--line);
  box-shadow:0 2px 12px rgba(28,84,64,.10);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:-.01em;color:var(--ink)}
.brand-mark{
  width:22px;height:22px;flex:none;border-radius:50% 50% 50% 5px;
  background:radial-gradient(circle at 34% 32%, var(--rind) 0 30%, transparent 31%), var(--moss);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.5);
}
.brand-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;color:var(--ink-2);
  border-radius:8px;transition:color .18s ease, background .18s ease;
}
.nav-link:hover{color:var(--moss);background:rgba(232,242,234,.7)}
.nav-link.active{color:var(--moss);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--moss);
}
.nav-right{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);border-radius:var(--r-pill);
  transition:color .18s ease, border-color .18s ease, background .18s ease;
}
.icon-btn:hover{color:var(--moss);border-color:var(--moss);background:var(--moss-light)}
.menu-btn{
  display:none;width:40px;height:40px;place-items:center;border:1px solid var(--line);
  background:#fff;border-radius:12px;color:var(--ink-2);
}
.menu-btn:hover{border-color:var(--moss);color:var(--moss)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);padding:12px 24px;font-size:15px;font-weight:600;
  border:1.5px solid transparent;
  transition:background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.btn-primary{background:var(--moss);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--moss-dark);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--moss);border-color:var(--moss)}
.btn-ghost:hover{background:var(--moss-light)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ============ 抽屉菜单 ============ */
.drawer{position:fixed;inset:0;z-index:80;pointer-events:none}
.drawer-mask{position:absolute;inset:0;background:rgba(22,35,29,.36);opacity:0;transition:opacity .25s ease}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(330px,86vw);background:#fff;
  display:flex;flex-direction:column;padding:22px 20px 20px;
  box-shadow:-14px 0 34px rgba(28,84,64,.16);
  transform:translateX(102%);transition:transform .28s ease;
}
.drawer.open{pointer-events:auto}
.drawer.open .drawer-mask{opacity:1}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-title{font-weight:700;font-size:16px;color:var(--moss)}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);background:#fff;border-radius:var(--r-pill);display:grid;place-items:center;color:var(--ink-2)}
.drawer-close:hover{color:var(--moss);border-color:var(--moss)}
.drawer-links{display:flex;flex-direction:column;padding:10px 0}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;min-height:48px;
  padding:0 4px;font-size:16px;color:var(--ink-2);border-bottom:1px solid var(--line);
}
.drawer-link:hover{color:var(--moss)}
.drawer-link.active{color:var(--moss);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:18px}
.drawer-foot .btn{width:100%}
@media (max-width:1023px){
  .nav-links{display:none}
  .icon-btn{display:none}
  .menu-btn{display:grid}
}
@media (max-width:639px){
  .nav-right .btn-sm{display:none}
  .brand{font-size:16px}
  .brand-mark{width:20px;height:20px}
}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:132px 0 64px;
  background-image:linear-gradient(180deg, rgba(251,248,241,.95) 0%, rgba(251,248,241,.88) 48%, rgba(251,248,241,.99) 100%), url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--moss);text-decoration:underline;text-underline-offset:4px}
.breadcrumb .sep{color:var(--ink-3)}
.breadcrumb .current{color:var(--moss);font-weight:600}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:var(--r-badge);
  background:var(--moss-light);color:var(--moss-dark);
  font-size:13px;font-weight:600;letter-spacing:0;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--rind);display:inline-block}
.page-hero h1{
  margin-top:18px;
  font-size:clamp(30px,4.4vw,46px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.01em;
  max-width:16em;
}
.hero-lead{margin-top:14px;font-size:clamp(17px,2vw,20px);font-weight:600;color:var(--moss-dark);line-height:1.6}
.hero-desc{margin-top:16px;max-width:44em;color:var(--ink-2);font-size:16.5px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--ink-2)}
.hero-points svg{color:var(--rind-dark);flex:none}

/* ============ 板块 ============ */
.section{padding:72px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-title{font-size:clamp(23px,3vw,32px);line-height:1.35;font-weight:700;letter-spacing:-.01em}
.section-sub{margin-top:10px;color:var(--ink-2);font-size:16px}
.eyebrow{
  display:inline-block;margin-bottom:12px;padding:4px 10px;border-radius:var(--r-badge);
  background:var(--moss-light);color:var(--moss-dark);font-size:13px;font-weight:600;
}
@media (max-width:767px){.section{padding:48px 0}}

/* ============ 准备事项清单 ============ */
.prep-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 40px}
.prep-item{display:flex;gap:18px;padding:22px 22px 22px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:box-shadow .2s ease, transform .2s ease}
.prep-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.prep-num{font-size:30px;font-weight:700;line-height:1;color:var(--moss);font-variant-numeric:tabular-nums;flex:none}
.prep-item h3{font-size:18px;font-weight:600;line-height:1.5}
.prep-item p{margin-top:8px;font-size:15.5px;color:var(--ink-2)}
@media (max-width:899px){.prep-list{grid-template-columns:1fr}}

/* ============ 长文 + 目录 ============ */
.article-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:48px;align-items:start}
.toc{
  position:sticky;top:96px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px 18px;box-shadow:var(--sh-1);
}
.toc h3{font-size:14px;font-weight:700;color:var(--moss-dark);letter-spacing:.02em}
.toc-list{margin-top:12px;display:flex;flex-direction:column}
.toc-list li + li{margin-top:2px}
.toc-link{
  display:block;padding:7px 10px;border-radius:8px;font-size:14px;color:var(--ink-2);
  border-left:2px solid transparent;transition:color .18s ease, background .18s ease, border-color .18s ease;
}
.toc-link:hover{color:var(--moss);background:var(--moss-light);border-left-color:var(--moss)}
.article-body{max-width:780px}
.article-body h2{
  position:relative;padding-left:14px;font-size:clamp(21px,2.4vw,26px);line-height:1.4;font-weight:700;letter-spacing:-.01em;
  margin-top:0;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--moss);
}
.article-body h3{margin-top:34px;font-size:19px;font-weight:600;line-height:1.5;color:var(--ink)}
.article-body p{margin-top:14px;color:var(--ink-2);font-size:16.5px}
.article-body p strong{color:var(--ink);font-weight:600}
.article-body ol{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.article-body ol li{position:relative;padding-left:22px;color:var(--ink-2);font-size:16px;line-height:1.8}
.article-body ol li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--rind)}
.article-body ul{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.article-body ul li{position:relative;padding-left:20px;color:var(--ink-2);font-size:16px;line-height:1.8}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.68em;width:7px;height:7px;border-radius:50%;background:var(--moss)}
.figure{margin:26px 0 0}
.figure img{
  width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-pic);box-shadow:var(--sh-1);border:1px solid var(--line);
}
.figure figcaption{margin-top:10px;font-size:14px;color:var(--ink-3)}
.callout{
  margin-top:22px;padding:18px 20px;background:var(--moss-light);
  border-left:3px solid var(--moss);border-radius:0 12px 12px 0;
}
.callout p{margin:0;color:var(--moss-dark);font-size:15.5px}
@media (max-width:1023px){
  .article-layout{grid-template-columns:1fr;gap:26px}
  .toc{position:static}
  .toc-list{flex-direction:row;flex-wrap:wrap;gap:6px}
  .toc-list li + li{margin-top:0}
  .toc-link{border-left:none;border:1px solid var(--line)}
}

/* ============ 状态对照卡 ============ */
.state-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 24px}
.state-card{
  border-left:4px solid var(--moss);background:#fff;border-radius:0 12px 12px 0;
  padding:20px 22px;
}
.state-card h3{font-size:17px;font-weight:600;line-height:1.5}
.state-card dl{margin:12px 0 0;display:grid;grid-template-columns:auto 1fr;gap:6px 12px;font-size:15px}
.state-card dt{color:var(--ink-3)}
.state-card dd{margin:0;color:var(--ink-2)}
@media (max-width:899px){.state-grid{grid-template-columns:1fr}}

/* ============ 场景卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:16px}
.scene-card{
  position:relative;overflow:hidden;border-radius:var(--r-card);background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:box-shadow .2s ease, transform .2s ease;
}
.scene-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.scene-card img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9}
.scene-card .scene-body{padding:20px 22px 24px}
.scene-card h3{font-size:18px;font-weight:600;line-height:1.5}
.scene-card p{margin-top:8px;font-size:15.5px;color:var(--ink-2)}
.scene-a{grid-column:span 7}
.scene-b{grid-column:span 5}
.scene-c{grid-column:span 5}
.scene-d{grid-column:span 7}
@media (max-width:899px){
  .scene-a,.scene-b,.scene-c,.scene-d{grid-column:span 12}
}

/* ============ 表格 ============ */
.zebra{margin-top:26px;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff}
.zebra-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:16px;padding:16px 22px;font-size:15.5px}
.zebra-row:nth-child(odd){background:var(--bg-alt)}
.zebra-row .k{font-weight:600;color:var(--ink)}
.zebra-row .v{color:var(--ink-2)}
@media (max-width:639px){
  .zebra-row{grid-template-columns:1fr;gap:4px}
}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:6px 24px;box-shadow:var(--sh-1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:17px;font-weight:600;line-height:1.6;cursor:pointer;list-style:none;
}
.faq-q::-webkit-details-marker{display:none}
.faq-icon{flex:none;color:var(--rind-dark);transition:transform .2s ease}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-a{padding:0 0 22px;font-size:15.5px;color:var(--ink-2);max-width:760px}
.faq-a p + p{margin-top:10px}

/* ============ CTA 区 ============ */
.cta-band{background:var(--moss-light);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:66px 0}
.cta-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:44px;align-items:start}
.cta-band h2{font-size:clamp(23px,3vw,30px);line-height:1.35;font-weight:700;letter-spacing:-.01em}
.cta-band .lead{margin-top:12px;color:var(--ink-2);font-size:16.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cta-notes{margin-top:22px;display:flex;flex-direction:column;gap:8px}
.cta-notes li{display:flex;align-items:flex-start;gap:8px;font-size:15px;color:var(--ink-2)}
.cta-notes svg{color:var(--moss);flex:none;margin-top:5px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1)}
.form-card h3{font-size:18px;font-weight:600}
.form-card .form-tip{margin-top:6px;font-size:14px;color:var(--ink-3)}
.field{margin-top:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.input{
  width:100%;padding:11px 14px;font-size:15px;color:var(--ink);background:#fff;
  border:1px solid var(--line);border-radius:var(--r-input);
  transition:border-color .18s ease, box-shadow .18s ease;
}
.input:focus{outline:none;border-color:var(--moss);box-shadow:0 0 0 3px rgba(46,125,91,.14)}
select.input{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);background-position:calc(100% - 19px) 20px,calc(100% - 14px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.form-card .btn{width:100%;margin-top:20px}
.form-msg{margin-top:12px;font-size:14px;min-height:20px}
.form-msg.ok{color:var(--moss-dark)}
.form-msg.err{color:var(--cinnabar)}
@media (max-width:899px){
  .cta-grid{grid-template-columns:1fr;gap:28px}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--ink)}
.footer-grid p{margin-top:12px;font-size:15px;color:var(--ink-2);max-width:26em}
.footer-domain{margin-top:8px;font-size:14px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.footer-grid h4{font-size:15px;font-weight:700;color:var(--ink);margin:0 0 14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:15px;color:var(--ink-2);transition:color .18s ease}
.footer-links a:hover{color:var(--rind-dark);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:14px;color:var(--ink-3);
}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:639px){.footer-grid{grid-template-columns:1fr;gap:28px}.site-footer{padding-top:48px}}

/* roulang page: article */
:root{
  --green:#2E7D5B;
  --green-deep:#1C5440;
  --green-soft:#E8F2EA;
  --orange:#F0932B;
  --orange-deep:#D9770F;
  --cinnabar:#D94F2B;
  --bg:#FBF8F1;
  --card:#FFFFFF;
  --bg-alt:#F3F6F1;
  --ink:#16231D;
  --ink-2:#55665C;
  --ink-3:#8A968D;
  --line:#E2E8E1;
  --r-lg:16px;
  --r-md:14px;
  --r-sm:10px;
  --sh-1:0 1px 2px rgba(28,84,64,.06);
  --sh-2:0 10px 28px rgba(28,84,64,.12);
  --sh-nav:0 8px 24px rgba(28,84,64,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0}
:focus-visible{outline:2px solid var(--green);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1024px){.container{padding:0 32px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,248,241,.82);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.6);
  box-shadow:0 1px 0 rgba(226,232,225,.9);
  transition:background .2s ease, box-shadow .2s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-nav);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.brand-mark{
  width:22px;height:22px;border-radius:50%;flex:none;
  background:radial-gradient(circle at 32% 28%, #7FD3A6 0%, var(--green) 58%, var(--green-deep) 100%);
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.55);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:-4px;width:10px;height:8px;
  border-left:1.6px solid var(--green);border-top:1.6px solid var(--green);
  border-radius:60% 0 0 0;transform:translateX(-58%) rotate(-18deg);opacity:.75;
}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{position:relative;font-size:15px;color:var(--ink-2);padding:8px 0;transition:color .2s ease}
.nav-link:hover{color:var(--green)}
.nav-link.active{color:var(--green);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;background:var(--green);
}
.nav-right{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:38px;height:38px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);display:grid;place-items:center;cursor:pointer;
  transition:color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.icon-btn:hover{color:var(--green);border-color:var(--green);box-shadow:var(--sh-1)}
.menu-btn{
  display:none;width:38px;height:38px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);place-items:center;cursor:pointer;
}
.menu-btn:hover{color:var(--green);border-color:var(--green)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border-radius:999px;font-weight:600;line-height:1.4;cursor:pointer;
  border:1.5px solid transparent;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--green);border-color:var(--green)}
.btn-outline:hover{background:var(--green-soft)}
.btn-sm{font-size:14px;padding:9px 20px}
.btn-md{font-size:15px;padding:12px 26px}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(22,35,29,.38);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:340px;z-index:80;
  background:#fff;box-shadow:-12px 0 40px rgba(28,84,64,.16);
  transform:translateX(102%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:22px 20px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-title{font-size:15px;font-weight:700;color:var(--ink)}
.drawer-close{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-2);cursor:pointer}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;font-size:15.5px;color:var(--ink-2);border-bottom:1px solid var(--line);
}
.drawer-link i{font-size:12px;color:var(--ink-3)}
.drawer-link.active{color:var(--green);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:22px}

/* ============ 文章主体 ============ */
.article-shell{max-width:820px;margin:0 auto}
.breadcrumb-bar{padding:26px 0 10px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);line-height:1.7}
.breadcrumb a{color:var(--ink-3);transition:color .2s ease}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb .sep{color:#c6d0c8}
.breadcrumb .current{color:var(--ink);font-weight:500;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{padding:10px 0 26px;border-bottom:1px solid var(--line)}
.article-badge{
  display:inline-flex;align-items:center;gap:6px;background:var(--green-soft);color:var(--green-deep);
  font-size:13px;font-weight:600;padding:5px 12px;border-radius:6px;line-height:1.6;
}
.article-title{
  font-size:clamp(26px,3.6vw,40px);line-height:1.3;font-weight:700;
  letter-spacing:-.01em;color:var(--ink);margin:16px 0 18px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-3);line-height:1.7}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#cfd8d1}
.article-meta .strong{color:var(--ink-2)}

.article-content{
  padding:34px 0 10px;font-size:17px;line-height:1.9;color:var(--ink-2);
  word-break:break-word;
}
.article-content > *:first-child{margin-top:0}
.article-content p{margin:0 0 1.05em}
.article-content h2{
  position:relative;font-size:clamp(20px,2.4vw,25px);line-height:1.45;font-weight:700;
  color:var(--ink);margin:1.7em 0 .6em;padding-left:15px;letter-spacing:-.01em;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:3px;background:var(--green);
}
.article-content h3{font-size:18px;line-height:1.5;font-weight:600;color:var(--ink);margin:1.4em 0 .5em}
.article-content h4{font-size:16px;font-weight:600;color:var(--ink);margin:1.2em 0 .4em}
.article-content a{color:var(--green);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--orange-deep)}
.article-content strong{color:var(--ink);font-weight:600}
.article-content blockquote{
  margin:1.5em 0;padding:16px 20px;background:var(--green-soft);
  border-left:3px solid var(--green);border-radius:0 12px 12px 0;color:var(--ink-2);
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content ul{list-style:none;margin:0 0 1.2em}
.article-content ul li{position:relative;padding-left:20px;margin-bottom:.5em;line-height:1.8}
.article-content ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--orange);
}
.article-content ol{list-style:decimal;padding-left:1.35em;margin:0 0 1.2em}
.article-content ol li{margin-bottom:.5em;line-height:1.8}
.article-content ol li::marker{color:var(--orange);font-weight:600}
.article-content img{border-radius:var(--r-md);margin:1.5em auto;box-shadow:var(--sh-1);object-fit:cover}
.article-content figure{margin:1.5em 0}
.article-content figcaption{font-size:13.5px;line-height:1.7;color:var(--ink-3);text-align:center;margin-top:10px}
.article-content table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;text-align:left;line-height:1.7}
.article-content th{background:var(--green-soft);color:var(--green-deep);font-weight:600}
.article-content tr:nth-child(even) td{background:var(--bg-alt)}
.article-content hr{border:0;border-top:1px solid var(--line);margin:2em 0}

.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-lg);background:#fff;
  padding:56px 24px;text-align:center;margin:28px 0;
}
.empty-state .empty-ico{
  width:56px;height:56px;border-radius:50%;background:var(--green-soft);color:var(--green);
  display:grid;place-items:center;margin:0 auto 16px;font-size:22px;
}
.empty-state h2{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:8px}
.empty-state p{font-size:15px;color:var(--ink-3);margin:0 0 20px;line-height:1.8}

.article-foot{
  margin-top:36px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.foot-tip{font-size:14px;color:var(--ink-3);line-height:1.7}

/* ============ 相关推荐 ============ */
.related{padding:56px 0 72px}
.related-head{margin-bottom:22px}
.related-head h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;color:var(--ink);line-height:1.4;letter-spacing:-.01em}
.related-head p{font-size:14.5px;color:var(--ink-3);margin:8px 0 0;line-height:1.8}
.rel-list{display:flex;flex-direction:column;gap:16px}
.rel-card{
  display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#cfe3d8}
.rel-thumb{width:168px;height:110px;flex:none;border-radius:var(--r-md);overflow:hidden;background:var(--bg-alt)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{min-width:0;display:flex;flex-direction:column}
.rel-tag{
  display:inline-block;align-self:flex-start;font-size:12.5px;font-weight:600;line-height:1.6;
  background:var(--green-soft);color:var(--green-deep);padding:3px 10px;border-radius:6px;margin-bottom:8px;
}
.rel-body h3{
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;margin:0 0 6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body p{
  font-size:14px;line-height:1.7;color:var(--ink-3);margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-more{font-size:13.5px;color:var(--green);font-weight:600;margin-top:auto}
.rel-more i{font-size:11px;margin-left:4px;transition:transform .2s ease;display:inline-block}
.rel-card:hover .rel-more i{transform:translateX(3px)}

/* ============ 页脚 ============ */
.site-footer{background:var(--green-deep);color:rgba(255,255,255,.82)}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;
  padding:56px 0 40px;
}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;line-height:1.6}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px}
.site-footer .brand-mark{box-shadow:inset 0 0 0 2px rgba(255,255,255,.4)}
.site-footer .brand-mark::after{border-color:rgba(255,255,255,.7)}
.site-footer p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.72);margin:0 0 10px}
.footer-domain{font-size:13.5px;color:rgba(255,255,255,.5);letter-spacing:.02em}
.footer-links{list-style:none}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.78);transition:color .2s ease}
.footer-links a:hover{color:var(--orange);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{display:none}
  .menu-btn{display:grid}
  .nav-right .icon-btn{display:none}
}
@media (max-width:767px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px}
  .footer-grid > div:first-child{grid-column:1 / -1}
  .related{padding:44px 0 56px}
  .article-content{font-size:16.5px}
}
@media (max-width:639px){
  .nav-wrap{height:64px}
  .brand{font-size:15.5px}
  .nav-right .btn-sm{display:none}
  .article-title{margin:14px 0 14px}
  .rel-card{flex-direction:column;gap:14px}
  .rel-thumb{width:100%;height:170px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .article-foot{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --green:#2E7D5B;
  --green-deep:#1C5440;
  --green-light:#E8F2EA;
  --orange:#F0932B;
  --orange-deep:#D9770F;
  --cinnabar:#D94F2B;
  --bg:#FBF8F1;
  --card:#FFFFFF;
  --bg-alt:#F3F6F1;
  --text:#16231D;
  --text-2:#55665C;
  --text-3:#8A968D;
  --line:#E2E8E1;
  --radius-card:16px;
  --radius-pic:14px;
  --radius-pill:999px;
  --radius-badge:6px;
  --radius-input:10px;
  --shadow-rest:0 1px 2px rgba(28,84,64,.06);
  --shadow-hover:0 10px 28px rgba(28,84,64,.12);
  --shadow-nav:0 8px 24px rgba(28,84,64,.10);
  --container:1200px;
  --space-block:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--green);outline-offset:2px}
::selection{background:var(--green-light);color:var(--green-deep)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(251,248,241,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.6);
  box-shadow:var(--shadow-nav);
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-solid{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px rgba(28,84,64,.10);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:-.01em;color:var(--text)}
.brand-mark{
  width:22px;height:22px;flex:0 0 22px;border-radius:50% 50% 50% 6px;
  background:var(--green);
  position:relative;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.35);
}
.brand-mark::after{
  content:"";position:absolute;right:3px;top:3px;width:8px;height:8px;border-radius:50%;
  background:var(--orange);
}
.nav-links{display:none;align-items:center;gap:26px}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 2px;transition:color .18s ease}
.nav-link:hover{color:var(--green-deep)}
.nav-link.active{color:var(--green-deep);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--green);
}
.nav-right{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.7);
  transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.icon-btn:hover{color:var(--green-deep);background:var(--green-light);border-color:var(--green-light)}
.menu-btn{
  width:38px;height:38px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--text);border:1px solid var(--line);background:rgba(255,255,255,.7);
}
.menu-btn:hover{background:var(--green-light);border-color:var(--green-light);color:var(--green-deep)}
@media (min-width:1024px){
  .nav-links{display:flex}
  .menu-btn{display:none}
  .nav-wrap{min-height:72px}
}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;height:100%;width:302px;max-width:86vw;background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .26s ease;
  box-shadow:-12px 0 32px rgba(28,84,64,.14);
  display:flex;flex-direction:column;padding:18px 16px 20px;
}
body.drawer-open .drawer{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(22,35,29,.36);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:4px 6px 14px;border-bottom:1px solid var(--line)}
.drawer-title{font-weight:700;font-size:16px;color:var(--green-deep)}
.drawer-close{width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);color:var(--text-2)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:14px 0;flex:1;overflow:auto}
.drawer-link{display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:10px;font-size:16px;color:var(--text)}
.drawer-link:hover{background:var(--green-light);color:var(--green-deep)}
.drawer-link.active{background:var(--green-light);color:var(--green-deep);font-weight:600}
.drawer-foot{padding-top:14px;border-top:1px solid var(--line)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);font-weight:600;font-size:15px;padding:12px 24px;
  border:1.5px solid transparent;white-space:nowrap;
  transition:background .18s ease,color .18s ease,transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 6px 16px rgba(46,125,91,.18)}
.btn-primary:hover{background:var(--green-deep);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--green);border-color:var(--green)}
.btn-ghost:hover{background:var(--green-light)}
.btn-light{background:#fff;color:var(--green-deep)}
.btn-light:hover{background:var(--green-light);transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-outline-light:hover{background:rgba(255,255,255,.14)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-lg{padding:14px 30px;font-size:16px}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:var(--space-block) 0}}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:780px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--green-deep);background:var(--green-light);padding:5px 12px;border-radius:var(--radius-badge);
  margin-bottom:14px;letter-spacing:0;
}
.section-title{font-size:clamp(23px,3vw,32px);line-height:1.35;font-weight:700;letter-spacing:-.01em}
.section-sub{margin-top:10px;color:var(--text-2);font-size:16px}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:26px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--green-deep);text-decoration:underline}
.breadcrumb em{font-style:normal;color:var(--green-deep);font-weight:600}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:118px 0 52px;
  background:
    radial-gradient(900px 420px at 88% -10%, rgba(240,147,43,.10), transparent 62%),
    linear-gradient(180deg,#F3F6F1 0%, var(--bg) 74%);
}
.page-hero::after{
  content:"";position:absolute;left:-8%;bottom:-46px;width:520px;height:220px;
  border-radius:50%;border:1px solid rgba(46,125,91,.10);pointer-events:none;
}
@media (min-width:1024px){
  .page-hero{padding:150px 0 70px}
}
.hero-grid{position:relative;z-index:1}
.hero-title{font-size:clamp(30px,4.4vw,46px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.hero-sub{margin-top:14px;font-size:17px;color:var(--text-2);max-width:560px}
.hero-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--green-deep);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-pill);padding:7px 15px;
}
.hero-points li::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--orange);flex:0 0 7px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-pic);
  box-shadow:var(--shadow-hover);
}
.hero-badge{
  position:absolute;left:16px;bottom:16px;
  display:inline-flex;align-items:center;gap:8px;
  background:var(--orange);color:#fff;font-size:13px;font-weight:600;
  padding:7px 14px;border-radius:var(--radius-badge);
  box-shadow:0 8px 18px rgba(217,119,15,.28);
  font-variant-numeric:tabular-nums;
}

/* ---------- 数据条 ---------- */
.stat-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:36px}
@media (min-width:900px){.stat-row{grid-template-columns:repeat(4,1fr);gap:18px}}
.stat-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 20px;box-shadow:var(--shadow-rest);
}
.stat-num{font-size:28px;font-weight:700;color:var(--green-deep);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{font-size:14px;color:var(--text-2);margin-top:4px}

/* ---------- 筛选 chip ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 18px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:14.5px;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{border-color:var(--green);color:var(--green-deep);background:var(--green-light)}
.chip.is-active{background:var(--green);color:#fff;border-color:var(--green)}

/* ---------- 图墙 ---------- */
.wall-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:860px){.wall-grid{grid-template-columns:1.16fr 1fr}}
.wall-col{display:grid;gap:16px}
.wall-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-pic);
  box-shadow:var(--shadow-rest);
  transition:box-shadow .25s ease,transform .25s ease;
}
.wall-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.wall-card img{width:100%;object-fit:cover;transition:transform .35s ease;aspect-ratio:16/10}
.wall-card-lg img{aspect-ratio:4/3}
.wall-card:hover img{transform:scale(1.02)}
.wall-meta{padding:14px 18px 18px}
.wall-tag{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--green-deep);
  background:var(--green-light);border-radius:var(--radius-badge);padding:3px 10px;margin-bottom:10px;
}
.wall-meta h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--text)}
.wall-meta p{margin-top:6px;font-size:14.5px;line-height:1.75;color:var(--text-2)}
.wall-note{
  margin-top:20px;font-size:14px;color:var(--text-3);
}

/* ---------- 要点卡 ---------- */
.point-list{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:860px){.point-list{grid-template-columns:repeat(2,1fr)}}
.point-card{
  background:var(--card);
  border:1px solid var(--line);
  border-left:4px solid var(--green);
  border-radius:0 12px 12px 0;
  padding:18px 22px 20px;
}
.point-card h3{font-size:18px;font-weight:600;color:var(--text);display:flex;align-items:baseline;gap:10px}
.point-num{font-size:13px;font-weight:700;color:var(--orange-deep);font-variant-numeric:tabular-nums}
.point-card p{margin-top:8px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- 步骤流程 ---------- */
.steps{position:relative;max-width:820px;margin-top:6px}
.step{
  position:relative;padding:0 0 28px 54px;
}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:15px;top:30px;bottom:0;width:1px;background:var(--line);
}
.step:last-child::before{display:none}
.step-dot{
  position:absolute;left:0;top:2px;width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);
  color:var(--orange-deep);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;font-weight:600;color:var(--text)}
.step p{margin-top:6px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:640px}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:768px){.scene-grid{grid-template-columns:repeat(3,1fr)}}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 22px 24px;box-shadow:var(--shadow-rest);
  transition:box-shadow .22s ease,transform .22s ease;
}
.scene-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.scene-icon{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--green-light);color:var(--green-deep);margin-bottom:14px;
}
.scene-card h3{font-size:18px;font-weight:600}
.scene-card p{margin-top:8px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:17px;font-weight:600;text-align:left;color:var(--text);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--green-deep)}
.faq-icon{
  position:relative;width:22px;height:22px;flex:0 0 22px;
  transition:transform .2s ease;
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--green);border-radius:2px}
.faq-icon::before{top:10px;left:2px;width:18px;height:2px}
.faq-icon::after{left:10px;top:2px;width:2px;height:18px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a p{padding:0 46px 20px 0;font-size:15.5px;line-height:1.85;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-card);
  background:var(--green-deep);color:#fff;
  padding:38px 26px;
}
@media (min-width:900px){.cta-band{padding:48px 52px}}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle, rgba(240,147,43,.28), transparent 68%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.35;position:relative;z-index:1}
.cta-band p{margin-top:12px;font-size:16px;color:rgba(255,255,255,.86);max-width:640px;position:relative;z-index:1}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;position:relative;z-index:1}
.cta-note{margin-top:16px;font-size:13.5px;color:rgba(255,255,255,.68);position:relative;z-index:1}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:64px;padding:52px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--green-deep);margin-bottom:12px}
.footer-grid p{font-size:14.5px;line-height:1.85;color:var(--text-2)}
.footer-domain{font-size:13.5px;color:var(--text-3);margin-top:8px}
.site-footer h4{font-size:15px;font-weight:600;color:var(--text);margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14.5px;color:var(--text-2);transition:color .18s ease}
.footer-links a:hover{color:var(--orange-deep);text-decoration:underline}
.footer-bottom{
  margin-top:40px;padding:18px 0 24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
  font-size:13.5px;color:var(--text-3);
}

/* ---------- 动效 ---------- */
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category3 */
:root{
    --vine:#2E7D5B;
    --vine-dark:#1C5440;
    --vine-light:#E8F2EA;
    --melon:#F0932B;
    --melon-dark:#D9770F;
    --cinnabar:#D94F2B;
    --bg:#FBF8F1;
    --card:#FFFFFF;
    --bg-alt:#F3F6F1;
    --text:#16231D;
    --text-2:#55665C;
    --text-3:#8A968D;
    --line:#E2E8E1;
    --r-card:16px;
    --r-img:14px;
    --r-pill:999px;
    --r-badge:6px;
    --r-input:10px;
    --sh-1:0 1px 2px rgba(28,84,64,.06);
    --sh-2:0 10px 28px rgba(28,84,64,.12);
    --sh-glass:0 8px 24px rgba(28,84,64,.10);
    --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:var(--font-sans);
    background:var(--bg);
    color:var(--text);
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  :focus-visible{outline:2px solid var(--vine);outline-offset:2px;border-radius:4px}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media(min-width:768px){.container{padding:0 24px}}
  @media(min-width:1024px){.container{padding:0 32px}}

  /* ---------- 导航 ---------- */
  .site-header{
    position:fixed;top:0;left:0;right:0;z-index:60;
    background:rgba(251,248,241,.72);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    backdrop-filter:blur(14px) saturate(140%);
    border-bottom:1px solid rgba(255,255,255,.6);
    box-shadow:var(--sh-glass);
    transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .site-header.is-scrolled{
    background:rgba(255,255,255,.96);
    border-bottom-color:var(--line);
    box-shadow:0 8px 24px rgba(28,84,64,.08);
  }
  .nav-wrap{display:flex;align-items:center;gap:16px;min-height:68px}
  .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.01em;color:var(--vine-dark);white-space:nowrap}
  .brand-mark{
    position:relative;width:22px;height:22px;flex:0 0 auto;
    border-radius:50% 50% 50% 6px;background:var(--vine);
    box-shadow:inset 0 0 0 4px rgba(255,255,255,.55);
  }
  .brand-mark::after{
    content:"";position:absolute;right:-6px;top:2px;width:8px;height:8px;
    border-radius:50%;background:var(--melon);
  }
  .brand-text{display:inline-block}
  .nav-links{display:none;align-items:center;gap:2px}
  .nav-link{
    position:relative;display:inline-block;padding:10px 13px;border-radius:8px;
    font-size:15px;color:var(--text-2);
    transition:color .18s ease,background .18s ease;
  }
  .nav-link:hover{color:var(--vine-dark);background:rgba(46,125,91,.07)}
  .nav-link.active{color:var(--vine-dark);font-weight:600}
  .nav-link.active::after{
    content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;
    border-radius:2px;background:var(--vine);
  }
  .nav-right{display:flex;align-items:center;gap:10px;margin-left:auto}
  @media(min-width:1024px){
    .nav-links{display:flex;margin:0 auto}
    .nav-right{margin-left:0}
  }

  .icon-btn,.menu-btn{
    display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;border-radius:50%;color:var(--text-2);
    border:1px solid transparent;transition:all .18s ease;
  }
  .icon-btn:hover,.menu-btn:hover{color:var(--vine-dark);background:rgba(46,125,91,.08)}
  @media(min-width:1024px){.menu-btn{display:none}}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-pill);font-weight:600;line-height:1;white-space:nowrap;
    transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  }
  .btn-sm{padding:10px 18px;font-size:14px}
  .btn-lg{padding:15px 30px;font-size:16px}
  .btn-primary{background:var(--vine);color:#fff;box-shadow:var(--sh-1)}
  .btn-primary:hover{background:var(--vine-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(28,84,64,.2)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:#fff;color:var(--vine-dark);border:1.5px solid var(--vine)}
  .btn-ghost:hover{background:var(--vine-light)}
  .btn-onlight{background:var(--vine-dark);color:#fff}
  .btn-onlight:hover{background:#14402F;transform:translateY(-1px)}

  /* ---------- 移动端抽屉 ---------- */
  .mobile-drawer{position:fixed;inset:0;z-index:80;visibility:hidden;pointer-events:none}
  .mobile-drawer.open{visibility:visible;pointer-events:auto}
  .drawer-backdrop{position:absolute;inset:0;background:rgba(22,35,29,.42);opacity:0;transition:opacity .2s ease}
  .mobile-drawer.open .drawer-backdrop{opacity:1}
  .drawer-panel{
    position:absolute;top:0;right:0;bottom:0;width:min(320px,84vw);
    background:#fff;padding:20px;display:flex;flex-direction:column;
    transform:translateX(100%);transition:transform .24s ease;
    box-shadow:-10px 0 30px rgba(28,84,64,.14);overflow-y:auto;
  }
  .mobile-drawer.open .drawer-panel{transform:none}
  .drawer-title{font-size:14px;color:var(--text-3);padding:4px 12px 12px}
  .drawer-link{
    display:flex;align-items:center;min-height:48px;padding:0 12px;
    border-radius:10px;color:var(--text-2);font-size:16px;
    transition:background .18s ease,color .18s ease;
  }
  .drawer-link:hover{background:var(--vine-light);color:var(--vine-dark)}
  .drawer-link.active{background:var(--vine-light);color:var(--vine-dark);font-weight:600}
  .drawer-foot{margin-top:auto;padding-top:20px}

  /* ---------- 面包屑 ---------- */
  .crumb-wrap{padding:104px 0 18px}
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3)}
  .crumb a{color:var(--text-3);transition:color .18s ease}
  .crumb a:hover{color:var(--vine)}
  .crumb .sep{color:var(--line)}
  .crumb .current{color:var(--text-2)}

  /* ---------- 分类 Hero ---------- */
  .cat-hero{position:relative;overflow:hidden;background:var(--vine-dark);padding:48px 0 68px}
  .cat-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.46}
  .cat-hero-mask{
    position:absolute;inset:0;
    background:linear-gradient(103deg,rgba(28,84,64,.95) 0%,rgba(28,84,64,.82) 46%,rgba(28,84,64,.48) 100%);
  }
  .cat-hero-inner{position:relative;max-width:920px;color:#fff}
  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:var(--r-badge);
    background:rgba(217,79,43,.92);color:#fff;font-size:13px;line-height:1.6;font-weight:600;
  }
  .cat-hero h1{
    margin-top:18px;
    font-size:clamp(30px,4.4vw,46px);line-height:1.25;font-weight:700;letter-spacing:-.01em;
  }
  .hero-lead{margin-top:16px;font-size:clamp(16px,1.6vw,18px);line-height:1.75;color:rgba(255,255,255,.86);max-width:640px}
  .hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
  .hero-point{
    display:inline-flex;align-items:center;gap:8px;
    padding:8px 14px;border-radius:var(--r-pill);
    background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
    font-size:14px;line-height:1.6;color:#fff;
  }
  .hero-point .dot{width:7px;height:7px;border-radius:50%;background:var(--melon);flex:0 0 auto}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
  .hero-stats{
    display:grid;grid-template-columns:1fr;gap:12px;margin-top:36px;
    max-width:760px;
  }
  @media(min-width:640px){.hero-stats{grid-template-columns:repeat(3,1fr)}}
  .hero-stat{
    background:rgba(255,255,255,.96);border-radius:var(--r-card);
    padding:16px 18px;box-shadow:var(--sh-1);
  }
  .hero-stat .k{font-size:13px;color:var(--text-3);line-height:1.7}
  .hero-stat .v{
    margin-top:4px;font-size:19px;font-weight:700;color:var(--vine-dark);
    font-variant-numeric:tabular-nums;line-height:1.5;
  }

  /* ---------- 板块 ---------- */
  .section{padding:56px 0}
  @media(min-width:1024px){.section{padding:72px 0}}
  .section-alt{background:var(--bg-alt)}
  .sec-head{max-width:760px}
  .sec-head h2{
    font-size:clamp(23px,3vw,32px);line-height:1.35;font-weight:700;letter-spacing:-.01em;
  }
  .sec-head p{margin-top:12px;color:var(--text-2);font-size:16px;line-height:1.9}
  .sec-body{margin-top:34px}

  /* ---------- 时间轴 ---------- */
  .timeline{position:relative;padding-left:4px;margin-top:8px}
  .timeline::before{
    content:"";position:absolute;left:25px;top:28px;bottom:28px;width:2px;
    background:linear-gradient(180deg,var(--vine-light),var(--line));
  }
  .tl-item{position:relative;padding:0 0 30px 68px}
  .tl-item:last-child{padding-bottom:0}
  .tl-node{
    position:absolute;left:0;top:0;width:52px;height:52px;border-radius:50%;
    background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
    display:flex;align-items:center;justify-content:center;
    font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
    font-size:16px;font-weight:700;color:var(--melon-dark);
    font-variant-numeric:tabular-nums;
  }
  .tl-item h3{font-size:19px;font-weight:600;line-height:1.5}
  .tl-item p{margin-top:6px;color:var(--text-2);font-size:15.5px;line-height:1.9;max-width:760px}
  .tl-meta{display:inline-block;margin-top:10px;font-size:13px;color:var(--vine-dark);background:var(--vine-light);border-radius:var(--r-badge);padding:4px 10px}

  /* ---------- 宽幅图 ---------- */
  .wide-figure{margin-top:44px}
  .wide-figure img{width:100%;border-radius:var(--r-img);object-fit:cover;aspect-ratio:1200/480;box-shadow:var(--sh-1)}
  .wide-figure figcaption{margin-top:12px;font-size:14px;color:var(--text-3);line-height:1.8;text-align:center}

  /* ---------- 要点表 ---------- */
  .table-scroll{overflow-x:auto;border-radius:var(--r-card);box-shadow:var(--sh-1);background:#fff}
  .key-table{width:100%;min-width:640px;border-collapse:collapse}
  .key-table thead th{
    background:var(--vine-light);color:var(--vine-dark);
    font-size:15px;font-weight:600;text-align:left;padding:16px 22px;line-height:1.7;
  }
  .key-table td{
    padding:16px 22px;font-size:15.5px;line-height:1.85;color:var(--text-2);
    border-bottom:1px solid var(--line);vertical-align:top;
  }
  .key-table td:first-child{color:var(--text);font-weight:600;width:180px}
  .key-table tbody tr:nth-child(odd){background:var(--bg-alt)}
  .key-table tbody tr:last-child td{border-bottom:0}

  /* ---------- 提示条 ---------- */
  .note-strip{
    display:flex;gap:14px;align-items:flex-start;
    background:var(--vine-light);border-radius:var(--r-card);
    padding:20px 22px;margin-top:24px;
  }
  .note-strip .bar{width:4px;border-radius:4px;background:var(--vine);align-self:stretch;flex:0 0 auto}
  .note-strip p{color:var(--text-2);font-size:15.5px;line-height:1.9}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:860px;margin:0 auto;border-top:1px solid var(--line)}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
    line-height:1.6;transition:color .18s ease;
  }
  .faq-q:hover{color:var(--vine)}
  .faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px;transition:transform .2s ease}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--melon);border-radius:2px}
  .faq-icon::before{left:0;right:0;top:9px;height:2px}
  .faq-icon::after{top:0;bottom:0;left:9px;width:2px}
  .faq-item.open .faq-icon{transform:rotate(45deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
  .faq-a p{padding:0 44px 20px 4px;color:var(--text-2);font-size:15.5px;line-height:1.9}

  /* ---------- CTA ---------- */
  .cta-band{
    background:var(--vine-light);border:1px solid var(--line);
    border-radius:20px;padding:40px 24px;text-align:center;
  }
  @media(min-width:768px){.cta-band{padding:52px 48px}}
  .cta-band h2{font-size:clamp(22px,2.8vw,30px);line-height:1.4;font-weight:700}
  .cta-band p{margin:14px auto 0;max-width:620px;color:var(--text-2);font-size:16px;line-height:1.9}
  .cta-actions{display:flex;flex-direction:column;gap:12px;margin-top:28px;align-items:stretch}
  @media(min-width:640px){.cta-actions{flex-direction:row;justify-content:center;align-items:center}}
  .cta-hint{margin-top:16px;font-size:13px;color:var(--text-3)}

  /* ---------- 页脚 ---------- */
  .site-footer{margin-top:64px;background:#fff;border-top:1px solid var(--line);padding:56px 0 0}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
  @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 1.2fr}}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--vine-dark)}
  .site-footer p{color:var(--text-2);font-size:14.5px;line-height:1.9;margin-top:10px}
  .footer-domain{color:var(--text-3) !important;font-size:13.5px}
  .site-footer h4{font-size:15px;font-weight:600;color:var(--text)}
  .footer-links{margin-top:12px;display:flex;flex-direction:column;gap:8px}
  .footer-links a{color:var(--text-2);font-size:14.5px;transition:color .18s ease}
  .footer-links a:hover{color:var(--melon-dark);text-decoration:underline}
  .footer-bottom{
    margin-top:40px;border-top:1px solid var(--line);
    padding:18px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:13.5px;color:var(--text-3);
  }

  @media(prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important}
    html{scroll-behavior:auto}
  }