/* roulang page: index */
:root{
  --pine:#163A2F;
  --pine-deep:#0E2921;
  --pine-light:#1F5243;
  --clay:#C0562A;
  --clay-hover:#A5461F;
  --clay-soft:#F6E9E0;
  --gold:#C9A96A;
  --paper:#F7F4EE;
  --paper-card:#FFFFFF;
  --paper-sub:#EFEAE1;
  --ink:#1A1A17;
  --ink-soft:#5B5950;
  --ink-mute:#8A8579;
  --ink-invert:#F3EFE6;
  --line:#DFD8C9;
  --line-dark:rgba(243,239,230,0.14);
  --tealish:#3F6B76;
  --radius-card:6px;
  --radius-btn:4px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,h5{font-family:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;line-height:1.28;letter-spacing:.01em;margin:0;font-weight:600}
p{margin:0}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px}
::selection{background:var(--clay-soft);color:var(--pine)}

.container-site{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media(min-width:640px){.container-site{padding-left:32px;padding-right:32px}}
@media(min-width:1024px){.container-site{padding-left:48px;padding-right:48px}}

.section{padding-top:64px;padding-bottom:64px}
@media(min-width:640px){.section{padding-top:88px;padding-bottom:88px}}
@media(min-width:1024px){.section{padding-top:112px;padding-bottom:112px}}

.hairline{border-top:1px solid var(--line)}

/* Logo mark */
.logo-mark{
  width:22px;height:22px;flex:none;
  border:2px solid var(--pine);
  border-bottom-width:6px;
  border-radius:4px 4px 2px 2px;
  position:relative;
  transition:transform .22s var(--ease);
}
.logo-mark::after{
  content:"";position:absolute;left:50%;bottom:-11px;
  width:2px;height:6px;background:var(--clay);
  transform:translateX(-50%);
}
a:hover .logo-mark{transform:translateY(-2px)}

/* Nav chips */
.nav-chip{
  position:relative;
  display:inline-flex;align-items:center;
  height:40px;padding:0 14px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--ink-soft);
  white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.nav-chip:hover{background:var(--paper-sub);color:var(--ink)}
.nav-chip.is-active{color:var(--pine);font-weight:700}
.nav-chip.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  background:var(--clay);border-radius:2px;
}
.chip-scroll{overflow-x:auto;scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none}
.chip-scroll::-webkit-scrollbar{display:none}
.chip-scroll > *{scroll-snap-align:start}
.fade-x{
  -webkit-mask-image:linear-gradient(to right,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
  mask-image:linear-gradient(to right,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn svg{transition:transform .2s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--clay);color:#fff}
.btn-primary:hover{background:var(--clay-hover)}
.btn-primary:active{transform:translateY(1px)}
.btn-primary[disabled]{opacity:.6;cursor:not-allowed}
.btn-ghost{background:transparent;border-color:var(--pine);color:var(--pine)}
.btn-ghost:hover{background:var(--pine);color:var(--ink-invert)}
.btn-ghost-invert{background:transparent;border-color:rgba(243,239,230,.35);color:var(--ink-invert)}
.btn-ghost-invert:hover{background:rgba(243,239,230,.1);border-color:var(--ink-invert)}

/* Chips / tags */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;
  border-radius:999px;
  font-size:13px;letter-spacing:.04em;
  background:var(--paper-sub);color:var(--ink-soft);
  border:1px solid transparent;
}
.chip-outline{background:transparent;border-color:var(--line);color:var(--ink-soft)}
.chip-clay{background:var(--clay-soft);color:var(--clay-hover);border-color:rgba(192,86,42,.18)}
.chip-teal{background:rgba(63,107,118,.1);color:var(--tealish)}
.chip-invert{background:rgba(243,239,230,.1);color:var(--ink-invert);border-color:var(--line-dark)}

/* Media */
.media{overflow:hidden;border-radius:var(--radius-card);background:var(--paper-sub)}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.media:hover img{transform:scale(1.03)}

/* Timeline */
.timeline{position:relative}
.timeline::before{
  content:"";position:absolute;top:10px;bottom:10px;left:7px;width:1px;
  background:rgba(22,58,47,.28);
}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:1fr;
  padding:0 0 32px 32px;
}
.tl-dot{
  position:absolute;left:2px;top:9px;
  width:11px;height:11px;border-radius:50%;
  background:var(--pine);border:2px solid var(--clay);
}
.tl-time{
  font-family:ui-monospace,'SFMono-Regular',Menlo,Consolas,monospace;
  font-size:15px;letter-spacing:.06em;color:var(--clay-hover);
  font-weight:600;
}
@media(min-width:1024px){
  .timeline::before{left:50%;transform:translateX(-.5px)}
  .tl-item{
    grid-template-columns:1fr 88px 1fr;
    padding:0 0 44px 0;
    align-items:start;
  }
  .tl-time{grid-column:1;grid-row:1;text-align:right;padding-top:2px}
  .tl-body{grid-column:3;grid-row:1}
  .tl-item:nth-child(even) .tl-time{grid-column:3;text-align:left}
  .tl-item:nth-child(even) .tl-body{grid-column:1;grid-row:1;text-align:right}
  .tl-dot{left:50%;top:8px;transform:translateX(-50%)}
}

/* Reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* Form fields */
.field{position:relative;padding-top:22px}
.field input,.field select{
  width:100%;
  background:transparent;
  border:0;
  border-bottom:1px solid rgba(243,239,230,.3);
  padding:8px 0 10px;
  font-size:16px;
  color:var(--ink-invert);
  border-radius:0;
  transition:border-color .22s var(--ease);
}
.field select option{color:#1A1A17}
.field input::placeholder{color:transparent}
.field input:focus,.field select:focus{outline:none;border-bottom-color:var(--clay)}
.field .field-label{
  position:absolute;left:0;top:22px;
  font-size:15px;color:rgba(243,239,230,.55);
  pointer-events:none;
  transform-origin:left top;
  transition:top .22s var(--ease),transform .22s var(--ease),color .22s var(--ease),letter-spacing .22s var(--ease);
}
.field input:focus ~ .field-label,
.field input:not(:placeholder-shown) ~ .field-label,
.field select:focus ~ .field-label,
.field select.has-value ~ .field-label{
  top:0;transform:scale(.76);color:var(--gold);letter-spacing:.06em;
}
.ticket-option{
  display:flex;align-items:center;gap:8px;
  min-height:44px;padding:0 14px;
  border:1px solid rgba(243,239,230,.28);
  border-radius:999px;
  font-size:14px;color:rgba(243,239,230,.75);
  cursor:pointer;
  transition:all .2s var(--ease);
}
.ticket-option:hover{border-color:rgba(243,239,230,.6);color:var(--ink-invert)}
.ticket-option input{position:absolute;opacity:0;width:0;height:0}
.ticket-option.is-checked{background:var(--clay);border-color:var(--clay);color:#fff;font-weight:600}
.form-note{font-size:13px;line-height:1.7;color:rgba(243,239,230,.6)}
.form-error{font-size:13px;color:#F0A88C;min-height:18px}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:18px 0;
  font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--clay)}
.faq-item[open] summary{color:var(--pine);font-weight:700}
.faq-icon{
  position:relative;flex:none;
  width:18px;height:18px;
  transition:transform .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--clay);
}
.faq-icon::before{left:0;top:8px;width:18px;height:1.5px}
.faq-icon::after{top:0;left:8px;height:18px;width:1.5px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-answer{padding:0 0 22px;max-width:760px;color:var(--ink-soft);font-size:15.5px;line-height:1.95}

/* CMS list */
.cms-row{
  display:grid;
  grid-template-columns:1fr;
  gap:10px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease);
}
.cms-row:hover{background:rgba(255,255,255,.6)}
.cms-row .cms-title{transition:color .2s var(--ease),box-shadow .2s var(--ease)}
.cms-row:hover .cms-title{color:var(--clay);box-shadow:0 1px 0 0 var(--clay)}
.cms-arrow{transition:transform .2s var(--ease)}
.cms-row:hover .cms-arrow{transform:translateX(4px)}
@media(min-width:768px){
  .cms-row{grid-template-columns:88px 1fr auto;gap:24px;align-items:center}
}

/* Table */
.compare-table th,.compare-table td{
  border-bottom:1px solid var(--line);
  padding:16px 18px;
  font-size:15px;
  text-align:center;
  vertical-align:middle;
}
.compare-table th:first-child,.compare-table td:first-child{text-align:left}
.compare-table thead th{
  background:var(--paper-sub);
  font-family:'Noto Serif SC',serif;
  font-size:15.5px;
  color:var(--pine);
  font-weight:600;
}
.compare-table .col-recommend{background:var(--clay-soft)}
.compare-table thead .col-recommend{
  border-top:1px solid var(--clay);
  border-left:1px solid var(--clay);
  border-right:1px solid var(--clay);
}
.compare-table tbody .col-recommend{
  border-left:1px solid var(--clay);
  border-right:1px solid var(--clay);
}
.compare-table tbody tr:last-child .col-recommend{border-bottom:1px solid var(--clay)}
.price-num{font-family:'Noto Serif SC',serif;font-size:26px;color:var(--pine);font-weight:700}
.tick{color:var(--pine-light);font-weight:700}
.dash{color:var(--ink-mute)}

/* Top button */
.to-top{
  position:fixed;right:18px;bottom:22px;z-index:40;
  width:46px;height:46px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--paper);border:1px solid var(--clay);color:var(--clay);
  transition:all .22s var(--ease);
  opacity:0;pointer-events:none;
}
.to-top.is-show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--clay);color:#fff}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
    --pine:#163A2F;
    --pine-deep:#0E2921;
    --pine-light:#1F5243;
    --clay:#C0562A;
    --clay-dark:#A5461F;
    --clay-soft:#F6E9E0;
    --gold:#C9A96A;
    --paper:#F7F4EE;
    --card:#FFFFFF;
    --sub:#EFEAE1;
    --ink:#1A1A17;
    --ink-2:#5B5950;
    --ink-3:#8A8579;
    --invert:#F3EFE6;
    --line:#DFD8C9;
    --steel:#3F6B76;
    --r-card:6px;
    --r-btn:4px;
    --sh-card:0 12px 28px rgba(20,31,26,.08);
    --ease:cubic-bezier(.22,.61,.36,1);
  }

  *{box-sizing:border-box}
  html{scroll-behavior:smooth;scroll-padding-top:112px}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-size:17px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  h1,h2,h3,h4{line-height:1.25;letter-spacing:.01em;margin:0}
  :focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:2px}

  .container-site{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
  @media (min-width:640px){.container-site{padding-left:32px;padding-right:32px}}
  @media (min-width:1024px){.container-site{padding-left:48px;padding-right:48px}}

  /* ---------- Logo ---------- */
  .logo-mark{
    position:relative;display:inline-block;width:16px;height:16px;
    border:2px solid var(--pine);border-bottom-width:4px;border-radius:2px;flex:none;
  }
  .logo-mark::after{
    content:"";position:absolute;left:3px;right:3px;top:-6px;height:2px;background:var(--gold);
  }

  /* ---------- 导航 ---------- */
  #siteHeader{transition:background-color .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
  #siteHeader.is-scrolled{box-shadow:0 6px 18px rgba(20,31,26,.06);border-bottom-color:var(--line)}
  .nav-chip{
    position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
    border-radius:999px;font-size:15px;color:var(--ink-2);white-space:nowrap;
    transition:color .22s var(--ease),background-color .22s var(--ease);
  }
  .nav-chip:hover{background:var(--sub);color:var(--pine)}
  .nav-chip.is-active{color:var(--pine);font-weight:600}
  .nav-chip.is-active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
    background:var(--clay);border-radius:2px;
  }
  .chip-scroll{overflow-x:auto;scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none}
  .chip-scroll::-webkit-scrollbar{display:none}
  .chip-scroll > *{scroll-snap-align:start}
  .fade-x{position:relative;overflow:hidden}
  .fade-x::before,.fade-x::after{content:"";position:absolute;top:0;bottom:0;width:22px;pointer-events:none;z-index:2}
  .fade-x::before{left:0;background:linear-gradient(90deg,rgba(247,244,238,.96),rgba(247,244,238,0))}
  .fade-x::after{right:0;background:linear-gradient(270deg,rgba(247,244,238,.96),rgba(247,244,238,0))}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 18px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
    border:1px solid transparent;
    transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
  }
  .btn-primary{background:var(--clay);color:#fff}
  .btn-primary:hover{background:var(--clay-dark);transform:translateY(-2px)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{border-color:var(--pine);color:var(--pine);background:transparent}
  .btn-ghost:hover{background:var(--pine);color:var(--invert)}
  .btn-outline-invert{border-color:rgba(243,239,230,.45);color:var(--invert);background:transparent}
  .btn-outline-invert:hover{background:rgba(243,239,230,.1);border-color:var(--invert)}

  /* ---------- 标签 / chip ---------- */
  .tag{
    display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
    font-size:13px;letter-spacing:.02em;border:1px solid var(--line);
    background:var(--card);color:var(--ink-2);white-space:nowrap;
  }
  .tag-soft{background:var(--clay-soft);border-color:rgba(192,86,42,.35);color:var(--clay-dark)}
  .tag-steel{border-color:rgba(63,107,118,.35);color:var(--steel);background:rgba(63,107,118,.07)}
  .tag-invert{background:rgba(243,239,230,.1);border-color:rgba(243,239,230,.28);color:var(--invert)}

  /* ---------- 面包屑 ---------- */
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);letter-spacing:.03em}
  .crumb a{color:var(--ink-2);border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
  .crumb a:hover{color:var(--clay);border-bottom-color:rgba(192,86,42,.45)}
  .crumb .sep{color:var(--ink-3);opacity:.7}
  .crumb .now{color:var(--pine);font-weight:600}

  /* ---------- 文章头 ---------- */
  .article-head{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
  .head-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13.5px;color:var(--ink-3);letter-spacing:.05em}
  .head-meta time{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--ink-2);letter-spacing:.02em}
  .lead{
    border-left:3px solid var(--pine);background:var(--card);
    padding:16px 20px;border-radius:0 var(--r-card) var(--r-card) 0;
    font-size:15.5px;line-height:1.9;color:var(--ink-2);max-width:720px;
  }

  /* ---------- 目录 ---------- */
  .toc-collapse{border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);padding:0 16px}
  .toc-collapse summary{
    list-style:none;cursor:pointer;min-height:56px;display:flex;align-items:center;justify-content:space-between;
    font-size:15px;font-weight:600;color:var(--pine);
  }
  .toc-collapse summary::-webkit-details-marker{display:none}
  .toc-collapse summary::after{content:"+";font-size:19px;line-height:1;color:var(--clay);transition:transform .24s var(--ease)}
  .toc-collapse[open] summary::after{transform:rotate(45deg)}
  .toc-collapse nav{padding-bottom:10px}
  .toc{position:sticky;top:104px}
  .toc-title{
    font-size:13px;letter-spacing:.1em;color:var(--ink-3);
    padding-bottom:10px;margin-bottom:8px;border-bottom:1px solid var(--line);
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  }
  .toc-link{
    display:block;padding:8px 0 8px 14px;border-left:1px solid var(--line);
    font-size:14px;line-height:1.55;color:var(--ink-2);
    transition:color .2s var(--ease),border-color .2s var(--ease),padding .2s var(--ease);
  }
  .toc-link.is-sub{padding-left:26px;font-size:13.5px;color:var(--ink-3)}
  .toc-link:hover{color:var(--pine);border-left-color:var(--pine)}
  .toc-link.is-current{color:var(--pine);font-weight:600;border-left:2px solid var(--clay);padding-left:13px}
  .toc-link.is-sub.is-current{padding-left:25px}

  /* ---------- 正文排版 ---------- */
  .article-body{font-size:17px;line-height:1.92;color:var(--ink);counter-reset:h2c}
  .article-body > *:first-child{margin-top:0}
  .article-body p{margin:0 0 1.2em}
  .article-body h2{
    counter-increment:h2c;counter-reset:h3c;
    font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
    font-size:26px;font-weight:700;color:var(--pine);
    margin:46px 0 16px;padding-bottom:12px;border-bottom:1px solid var(--line);
  }
  .article-body h2::before{
    content:counter(h2c,decimal-leading-zero);
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    font-size:14px;color:var(--clay);letter-spacing:.08em;margin-right:12px;vertical-align:3px;
  }
  .article-body h3{
    font-size:19px;font-weight:700;color:var(--ink);
    margin:30px 0 10px;padding-left:12px;border-left:3px solid var(--gold);
  }
  .article-body h4{font-size:17px;font-weight:700;color:var(--ink-2);margin:22px 0 8px}
  .article-body ul,.article-body ol{margin:0 0 1.2em 1.25em;padding:0}
  .article-body li{margin-bottom:.5em}
  .article-body li::marker{color:var(--clay)}
  .article-body a{color:var(--pine);border-bottom:1px solid rgba(22,58,47,.3);transition:color .2s var(--ease),border-color .2s var(--ease)}
  .article-body a:hover{color:var(--clay);border-bottom-color:var(--clay)}
  .article-body blockquote{
    margin:26px 0;padding:16px 20px;border-left:3px solid var(--pine);
    background:var(--sub);border-radius:0 var(--r-card) var(--r-card) 0;color:var(--ink-2);
  }
  .article-body blockquote p:last-child{margin-bottom:0}
  .article-body img{border-radius:var(--r-card);margin:24px 0 10px;width:100%;height:auto}
  .article-body figcaption,.article-body .caption{font-size:13px;line-height:1.7;color:var(--ink-3);text-align:center}
  .article-body table{
    width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
    border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  }
  .article-body th{background:var(--sub);color:var(--pine);font-weight:600;text-align:left}
  .article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
  .article-body tr:last-child td{border-bottom:0}
  .article-body code{
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    font-size:14px;background:var(--sub);padding:2px 6px;border-radius:3px;
  }
  .article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}

  /* ---------- 空态 ---------- */
  .empty-block{
    border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);
    padding:56px 24px;text-align:center;min-height:240px;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  }
  .empty-door{width:26px;height:30px;border:1px solid var(--ink-3);border-bottom-width:3px;border-radius:2px;display:inline-block}
  .empty-book{font-family:"Noto Serif SC","Songti SC",serif;font-size:22px;font-weight:700;color:var(--pine)}

  /* ---------- 相关推荐卡片 ---------- */
  .post-card{
    display:flex;flex-direction:column;background:var(--card);
    border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card);border-color:#CFC6B3}
  .post-card-media{aspect-ratio:4/3;overflow:hidden;background:var(--sub)}
  .post-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
  .post-card:hover .post-card-media img{transform:scale(1.03)}

  .link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--clay);font-size:14px;font-weight:600}
  .link-arrow span{display:inline-block;transition:transform .22s var(--ease)}
  .link-arrow:hover span{transform:translateX(4px)}

  /* ---------- 返回顶部 ---------- */
  .to-top{
    position:fixed;right:18px;bottom:22px;z-index:40;
    width:46px;height:46px;border-radius:999px;border:1px solid var(--clay);
    background:rgba(247,244,238,.94);color:var(--clay);
    display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
    opacity:0;visibility:hidden;transform:translateY(8px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  }
  .to-top.is-on{opacity:1;visibility:visible;transform:translateY(0)}
  .to-top:hover{background:var(--clay);color:#fff}

  /* ---------- 入场动画 ---------- */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
  .reveal.is-in{opacity:1;transform:none}

  @media (max-width:1023px){
    .article-body h2{font-size:22px;margin-top:36px}
    .article-body h3{font-size:18px}
  }
  @media (max-width:639px){
    body{font-size:16px}
    .article-body{font-size:16.5px;line-height:1.9}
    .article-body h2{font-size:21px}
  }
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    *,*::before,*::after{animation:none!important;transition:none!important}
    .reveal{opacity:1;transform:none}
    .post-card:hover{transform:none}
  }

/* roulang page: category1 */
:root{
  --pine:#163A2F;--pine-deep:#0E2921;--pine-light:#1F5243;
  --clay:#C0562A;--clay-hover:#A5461F;--clay-soft:#F6E9E0;
  --gold:#C9A96A;--slate:#3F6B76;
  --paper:#F7F4EE;--card:#FFFFFF;--surface:#EFEAE1;
  --ink:#1A1A17;--ink-2:#5B5950;--ink-3:#8A8579;--ink-invert:#F3EFE6;
  --line:#DFD8C9;--line-invert:rgba(243,239,230,.14);
  --r-card:6px;--r-btn:4px;
  --shadow-card:0 12px 28px rgba(20,31,26,.08);
  --ease:cubic-bezier(.22,.61,.36,1);--dur:220ms;
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:140px}
body{
  margin:0;padding-top:72px;background:var(--paper);color:var(--ink);
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',sans-serif;
  font-size:17px;line-height:1.9;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}
h1,h2,h3,p{margin:0}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:2px}
@media (max-width:1023px){body{padding-top:120px}}

.container-site{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:640px){.container-site{padding:0 32px}}
@media (min-width:1024px){.container-site{padding:0 48px}}

/* 顶部导航 */
#siteHeader.is-scrolled{background-color:rgba(247,244,238,.94);box-shadow:0 1px 0 rgba(223,216,201,.9)}
.logo-mark{position:relative;width:16px;height:16px;display:inline-block;border:2px solid var(--pine);border-radius:3px;flex:0 0 auto}
.logo-mark::after{content:'';position:absolute;left:2px;right:2px;bottom:2px;height:5px;background:var(--clay);border-radius:1px}
.nav-chip{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:999px;font-size:15px;color:var(--ink-2);white-space:nowrap;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-chip::after{
  content:'';position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;
  background:var(--clay);transform:scaleX(0);transform-origin:left center;
  transition:transform var(--dur) var(--ease);
}
.nav-chip:hover{background:var(--surface);color:var(--ink)}
.nav-chip.is-active{color:var(--pine);font-weight:700}
.nav-chip.is-active::after{transform:scaleX(1)}
.fade-x{position:relative}
.fade-x::before,.fade-x::after{content:'';position:absolute;top:0;bottom:0;width:20px;z-index:2;pointer-events:none}
.fade-x::before{left:0;background:linear-gradient(90deg,rgba(247,244,238,.96),rgba(247,244,238,0))}
.fade-x::after{right:0;background:linear-gradient(270deg,rgba(247,244,238,.96),rgba(247,244,238,0))}
.chip-scroll{display:flex;overflow-x:auto;scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none}
.chip-scroll::-webkit-scrollbar{display:none}
.chip-scroll>*{scroll-snap-align:start;flex:0 0 auto}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;min-width:44px;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--clay);color:#fff}
.btn-primary:hover{background:var(--clay-hover);transform:translateY(-1px)}
.btn-ghost{border-color:var(--pine);color:var(--pine);background:transparent}
.btn-ghost:hover{background:rgba(22,58,47,.07);transform:translateY(-1px)}
.btn-light{border-color:rgba(243,239,230,.36);color:var(--ink-invert);background:transparent}
.btn-light:hover{background:rgba(243,239,230,.1);transform:translateY(-1px)}
.btn.hidden{display:none}
@media (min-width:1280px){.btn.hidden{display:inline-flex}}

/* 版式 */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.06em;color:var(--ink-3)}
.eyebrow::before{content:'';width:18px;height:1px;background:var(--gold)}
.h1{font-family:var(--font-serif);font-weight:700;letter-spacing:.01em;line-height:1.24;color:var(--pine);
  font-size:32px}
@media (min-width:640px){.h1{font-size:40px}}
@media (min-width:1024px){.h1{font-size:48px}}
.h2{font-family:var(--font-serif);font-weight:700;letter-spacing:.01em;line-height:1.3;color:var(--pine);font-size:25px}
@media (min-width:640px){.h2{font-size:30px}}
@media (min-width:1024px){.h2{font-size:36px}}
.h3{font-family:var(--font-serif);font-weight:700;font-size:20px;line-height:1.4;color:var(--pine)}
@media (min-width:1024px){.h3{font-size:22px}}
.lead{font-size:16.5px;line-height:1.95;color:var(--ink-2);max-width:760px}
.muted{font-size:15.5px;line-height:1.9;color:var(--ink-2)}
.section{padding:64px 0}
@media (min-width:640px){.section{padding:88px 0}}
@media (min-width:1024px){.section{padding:112px 0}}
.section-tight{padding:48px 0}
@media (min-width:1024px){.section-tight{padding:64px 0}}
.hairline{height:1px;background:var(--line);border:0;margin:0}

/* 媒体 */
.media-frame{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--surface)}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform 260ms var(--ease)}
.media-frame:hover img{transform:scale(1.03)}
.frame-tall img{aspect-ratio:5/4}

/* 关键数据条 */
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line)}
@media (min-width:1024px){.stats{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat{padding:26px 20px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
@media (max-width:1023px){
  .stat{border-top:1px solid var(--line)}
  .stat:nth-child(1),.stat:nth-child(2){border-top:0}
  .stat:nth-child(odd){border-left:0}
}
.stat-num{font-family:var(--font-serif);font-size:32px;font-weight:700;color:var(--pine);line-height:1.15}
.stat-num small{font-size:15px;font-family:inherit;margin-left:4px;color:var(--pine-light)}
.stat-label{margin-top:8px;font-size:13.5px;color:var(--ink-3);letter-spacing:.04em}

/* 图文交错 */
.split{display:grid;gap:28px}
.split-body{max-width:760px}
@media (min-width:1024px){
  .split{grid-template-columns:repeat(12,minmax(0,1fr));gap:64px;align-items:center}
  .split-media{grid-column:span 5;order:1}
  .split-body{grid-column:span 7;order:2}
  .split.is-reverse .split-media{order:2}
  .split.is-reverse .split-body{order:1}
}
.num-tag{font-family:var(--font-mono);font-size:13px;letter-spacing:.08em;color:var(--clay)}
.point-list{margin-top:26px;border-top:1px solid var(--line)}
.point-list li{display:flex;gap:14px;padding:15px 0;border-bottom:1px solid var(--line);font-size:15.5px;line-height:1.85;color:var(--ink-2)}
.point-list .n{font-family:var(--font-mono);font-size:13px;color:var(--clay);min-width:24px;padding-top:5px}
.point-list strong{color:var(--ink);font-weight:600}

/* 表格 */
.tbl-wrap{border:1px solid var(--line);border-radius:var(--r-card);overflow-x:auto;background:var(--card)}
.tbl{width:100%;min-width:680px;border-collapse:collapse;font-size:15px}
.tbl th,.tbl td{border-bottom:1px solid var(--line);padding:15px 18px;text-align:left;vertical-align:top;line-height:1.75}
.tbl thead th{background:var(--surface);color:var(--pine);font-weight:600;font-size:14px;letter-spacing:.03em;border-bottom:1px solid var(--line)}
.tbl tbody tr:last-child td{border-bottom:0}
.tbl tbody tr:hover{background:#FBF9F5}
.tbl td:first-child{color:var(--ink);font-weight:600}

/* 功能卡 */
.feat-grid{display:grid;gap:16px}
@media (min-width:640px){.feat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}}
.feat{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);padding:26px 24px;
  transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.feat:hover{box-shadow:var(--shadow-card);transform:translateY(-3px);border-color:#CFC7B6}
.feat h3{font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--pine)}
.feat p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.feat .badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--clay-soft);color:var(--clay-hover);font-size:12.5px;letter-spacing:.04em;margin-bottom:14px
}

/* 自检清单 */
.check-list{max-width:800px;border-top:1px solid var(--line)}
.check-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);font-size:15.5px;line-height:1.85;color:var(--ink-2)}
.check-box{position:relative;flex:0 0 auto;width:18px;height:18px;margin-top:8px;border:1px solid var(--pine);border-radius:3px}
.check-box::after{content:'';position:absolute;left:5px;top:2px;width:5px;height:9px;border-right:1.5px solid var(--clay);border-bottom:1.5px solid var(--clay);transform:rotate(40deg)}

/* 公告列表 */
.news-row{
  display:grid;grid-template-columns:70px minmax(0,1fr) auto;gap:16px;align-items:center;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.news-row:first-child{border-top:1px solid var(--line)}
.news-date{font-family:var(--font-mono);font-size:13.5px;color:var(--ink-3);letter-spacing:.04em}
.news-title{font-family:var(--font-serif);font-size:18px;font-weight:700;color:var(--ink);transition:color var(--dur) var(--ease)}
.news-row:hover .news-title{color:var(--clay)}
.news-desc{margin-top:6px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.news-arrow{color:var(--ink-3);transition:transform var(--dur) var(--ease),color var(--dur) var(--ease)}
.news-row:hover .news-arrow{transform:translateX(4px);color:var(--clay)}
@media (max-width:639px){
  .news-row{grid-template-columns:1fr;gap:8px}
  .news-arrow{display:none}
}

/* CTA 深色区 */
.cta-block{background:var(--pine-deep);color:var(--ink-invert)}
.cta-block .h2{color:var(--ink-invert)}
.cta-block p{color:rgba(243,239,230,.72)}
.cta-note{border-top:1px solid var(--line-invert);padding-top:18px}

/* 分类 chip */
.cat-chip{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:var(--card);font-size:15px;color:var(--ink-2);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.cat-chip:hover{border-color:var(--clay);color:var(--clay)}
.cat-chip.is-current{border-color:var(--clay);background:var(--clay-soft);color:var(--clay-hover);font-weight:600}

/* 返回顶部 */
.to-top{
  position:fixed;right:18px;bottom:18px;z-index:40;width:46px;height:46px;border-radius:50%;
  border:1px solid var(--clay);color:var(--clay);background:rgba(247,244,238,.94);
  display:none;align-items:center;justify-content:center;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.to-top.is-visible{display:flex}
.to-top:hover{background:var(--clay);color:#fff;transform:translateY(-2px)}

/* 入场动画 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 420ms var(--ease),transform 420ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
    --pine:#163A2F;
    --pine-deep:#0E2921;
    --pine-light:#1F5243;
    --clay:#C0562A;
    --clay-hover:#A5461F;
    --clay-soft:#F6E9E0;
    --gold:#C9A96A;
    --paper:#F7F4EE;
    --card:#FFFFFF;
    --sub:#EFEAE1;
    --ink:#1A1A17;
    --ink-2:#5B5950;
    --ink-3:#8A8579;
    --ink-invert:#F3EFE6;
    --line:#DFD8C9;
    --tech:#3F6B76;
    --radius-card:6px;
    --radius-btn:4px;
    --ease:cubic-bezier(.22,.61,.36,1);
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',sans-serif;
    font-size:16px;
    line-height:1.9;
    padding-top:120px;
    -webkit-font-smoothing:antialiased;
  }
  @media (min-width:1024px){ body{padding-top:72px} }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  ul,ol{padding:0;list-style:none}

  .container-site{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
  @media (min-width:640px){ .container-site{padding:0 32px} }
  @media (min-width:1024px){ .container-site{padding:0 48px} }

  h1,h2,h3{font-family:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;color:var(--pine);letter-spacing:.01em;line-height:1.24}
  h1{font-size:36px;font-weight:700}
  h2{font-size:26px;font-weight:700}
  h3{font-size:20px;font-weight:600}
  @media (min-width:640px){ h1{font-size:44px} h2{font-size:32px} h3{font-size:22px} }
  @media (min-width:1024px){ h1{font-size:56px} h2{font-size:38px} h3{font-size:24px} }

  .lead{font-size:16.5px;color:var(--ink-2);max-width:760px}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.08em;color:var(--clay)}
  .eyebrow::before{content:'';width:18px;height:1px;background:var(--clay);display:inline-block}

  /* Logo 门形标记 */
  .logo-mark{position:relative;display:inline-block;width:16px;height:16px;border:2px solid var(--pine);border-bottom-width:0;border-radius:2px 2px 0 0}
  .logo-mark::after{content:'';position:absolute;left:50%;top:3px;width:2px;height:8px;background:var(--clay);transform:translateX(-50%)}

  /* 分段标签导航 */
  .nav-chip{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border-radius:999px;font-size:14.5px;color:var(--ink-2);white-space:nowrap;transition:background-color .22s var(--ease),color .22s var(--ease)}
  .nav-chip:hover{background:var(--sub);color:var(--pine)}
  .nav-chip.is-active{color:var(--pine);font-weight:600}
  .nav-chip.is-active::after{content:'';position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;background:var(--clay)}

  .chip-scroll{overflow-x:auto;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .chip-scroll::-webkit-scrollbar{display:none}
  .chip-scroll > *{scroll-snap-align:start}
  .fade-x{position:relative}
  .fade-x::before,.fade-x::after{content:'';position:absolute;top:0;bottom:0;width:22px;pointer-events:none;z-index:2}
  .fade-x::before{left:0;background:linear-gradient(90deg,var(--paper),rgba(247,244,238,0))}
  .fade-x::after{right:0;background:linear-gradient(270deg,var(--paper),rgba(247,244,238,0))}

  /* 按钮 */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--radius-btn);border:1px solid transparent;font-size:15px;font-weight:500;cursor:pointer;transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease)}
  .btn:active{transform:translateY(1px)}
  .btn-primary{background:var(--clay);color:#fff}
  .btn-primary:hover{background:var(--clay-hover)}
  .btn-primary svg{transition:transform .2s var(--ease)}
  .btn-primary:hover svg{transform:translateX(4px)}
  .btn-ghost{background:transparent;color:var(--pine);border-color:var(--pine)}
  .btn-ghost:hover{background:rgba(22,58,47,.06)}
  .btn-on-dark{background:transparent;color:var(--ink-invert);border-color:rgba(243,239,230,.42)}
  .btn-on-dark:hover{border-color:var(--ink-invert);background:rgba(243,239,230,.08)}
  .btn[disabled]{opacity:.6;cursor:not-allowed}
  :focus-visible{outline:2px solid var(--clay);outline-offset:2px}

  .arrow-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:var(--pine);transition:color .2s var(--ease)}
  .arrow-link svg{transition:transform .2s var(--ease)}
  .arrow-link:hover{color:var(--clay)}
  .arrow-link:hover svg{transform:translateX(4px)}

  .tag{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:4px 12px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-size:12.5px;color:var(--ink-2);transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease)}
  .tag:hover{border-color:var(--clay);color:var(--clay);background:var(--clay-soft)}
  .tag-tech{color:var(--tech);border-color:rgba(63,107,118,.32);background:rgba(63,107,118,.07)}
  .tag-gold{color:#8a7340;border-color:rgba(201,169,106,.5);background:rgba(201,169,106,.12)}

  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
  .crumb a{transition:color .2s var(--ease)}
  .crumb a:hover{color:var(--clay)}
  .crumb span.sep{color:var(--line)}

  /* 关键信息条 */
  .stat{border-top:1px solid var(--line);padding-top:18px}
  .stat-num{font-family:'Noto Serif SC',serif;font-size:30px;font-weight:700;color:var(--pine);line-height:1.2}
  @media (min-width:1024px){ .stat-num{font-size:34px} }
  .stat-label{font-size:13px;letter-spacing:.06em;color:var(--ink-3);margin-top:6px}
  .stat-desc{font-size:14px;color:var(--ink-2);margin-top:10px}

  /* 编号步骤时间线 */
  .flow{position:relative;margin-top:8px}
  .flow::before{content:'';position:absolute;left:19px;top:14px;bottom:14px;width:1px;background:var(--line)}
  .flow-item{position:relative;padding:0 0 42px 62px;transition:transform .22s var(--ease)}
  .flow-item:last-child{padding-bottom:0}
  .flow-num{position:absolute;left:0;top:0;width:40px;height:40px;border-radius:999px;display:flex;align-items:center;justify-content:center;background:var(--card);border:1px solid var(--line);font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;font-weight:600;color:var(--pine);z-index:1;transition:border-color .22s var(--ease),color .22s var(--ease)}
  .flow-item.is-key .flow-num{border:2px solid var(--clay);color:var(--clay)}
  .flow-item:hover .flow-num{border-color:var(--clay);color:var(--clay)}
  .flow-time{display:inline-flex;align-items:center;gap:8px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;letter-spacing:.04em;color:var(--ink-3)}
  .flow-time i{display:inline-block;width:6px;height:6px;background:var(--gold);border-radius:999px}

  /* 对比表 */
  .matrix-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card);-webkit-overflow-scrolling:touch}
  .matrix{width:100%;min-width:760px;border-collapse:collapse;font-size:14.5px}
  .matrix th,.matrix td{padding:15px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
  .matrix thead th{background:var(--sub);color:var(--pine);font-size:14px;font-weight:600;letter-spacing:.02em}
  .matrix tbody th{width:150px;font-weight:500;color:var(--ink-2);font-size:14px;background:rgba(239,234,225,.4)}
  .matrix tbody tr:last-child th,.matrix tbody tr:last-child td{border-bottom:0}
  .matrix .col-pick{background:var(--clay-soft)}
  .matrix thead th.col-pick{position:relative;color:var(--clay-hover);border-left:1px solid var(--clay);border-right:1px solid var(--clay);border-top:2px solid var(--clay)}
  .matrix tbody td.col-pick{border-left:1px solid var(--clay);border-right:1px solid var(--clay)}
  .matrix tbody tr:last-child td.col-pick{border-bottom:2px solid var(--clay)}
  .pick-badge{position:absolute;top:-12px;right:14px;display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;background:var(--clay);color:#fff;font-size:11.5px;letter-spacing:.06em}

  /* 清单 */
  .check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-2);padding-bottom:14px}
  .check-list li:last-child{padding-bottom:0}
  .check-list li::before{content:'';position:absolute;left:0;top:11px;width:12px;height:1px;background:var(--clay)}
  .num-list{counter-reset:n}
  .num-list li{position:relative;counter-increment:n;padding:16px 0 16px 46px;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-2)}
  .num-list li:last-child{border-bottom:0}
  .num-list li::before{content:counter(n,decimal-leading-zero);position:absolute;left:0;top:16px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;color:var(--clay)}
  .num-list strong{display:block;color:var(--ink);font-size:15.5px;font-weight:600;margin-bottom:4px}

  /* 时间节点 */
  .node{position:relative;padding-top:30px}
  .node::before{content:'';position:absolute;left:0;right:0;top:0;height:1px;background:var(--line)}
  .node::after{content:'';position:absolute;left:0;top:-4px;width:9px;height:9px;border-radius:999px;background:var(--card);border:2px solid var(--clay)}
  .node-time{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;letter-spacing:.04em;color:var(--ink-3)}

  /* FAQ */
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding:14px 2px;background:none;border:0;text-align:left;font-size:16.5px;line-height:1.6;color:var(--ink);cursor:pointer;transition:color .2s var(--ease)}
  .faq-q:hover{color:var(--pine)}
  .faq-item.is-open .faq-q{color:var(--pine);font-weight:600}
  .faq-icon{position:relative;flex:none;width:14px;height:14px;transition:transform .24s var(--ease)}
  .faq-item.is-open .faq-icon{transform:rotate(45deg)}
  .faq-icon::before,.faq-icon::after{content:'';position:absolute;background:var(--clay)}
  .faq-icon::before{left:0;top:6.5px;width:14px;height:1px}
  .faq-icon::after{top:0;left:6.5px;width:1px;height:14px}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
  .faq-a-inner{padding:0 2px 22px;max-width:760px;font-size:15px;color:var(--ink-2)}

  /* 报名表单（深色区） */
  .form-dark .field{position:relative;padding-top:24px;border-bottom:1px solid rgba(243,239,230,.28);transition:border-color .2s var(--ease)}
  .form-dark .field:focus-within{border-bottom-color:var(--clay)}
  .form-dark .field label{position:absolute;left:0;top:24px;font-size:15px;line-height:1.5;color:rgba(243,239,230,.5);pointer-events:none;transition:top .2s var(--ease),font-size .2s var(--ease),color .2s var(--ease),letter-spacing .2s var(--ease)}
  .form-dark .field input,.form-dark .field select,.form-dark .field textarea{width:100%;background:transparent;border:0;outline:none;padding:0 0 11px;font-size:15px;line-height:1.5;color:var(--ink-invert)}
  .form-dark .field input::placeholder,.form-dark .field textarea::placeholder{color:transparent}
  .form-dark .field:focus-within label,
  .form-dark .field.has-value label,
  .form-dark .field.is-float label{top:0;font-size:12px;letter-spacing:.06em;color:var(--gold)}
  .form-dark select{appearance:none;cursor:pointer}
  .form-dark select option{color:var(--ink);background:#fff}
  .form-dark .select-wrap{position:relative}
  .form-dark .select-wrap::after{content:'';position:absolute;right:4px;bottom:16px;width:7px;height:7px;border-right:1px solid rgba(243,239,230,.6);border-bottom:1px solid rgba(243,239,230,.6);transform:rotate(45deg);pointer-events:none}
  .check-dark{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:rgba(243,239,230,.7)}
  .check-dark input{width:16px;height:16px;margin-top:5px;accent-color:var(--clay);flex:none}
  .form-hint{font-size:13px;color:rgba(243,239,230,.6)}
  .form-msg{margin-top:14px;font-size:13.5px;color:var(--gold);min-height:20px}

  /* 入场动画 */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
  .reveal.is-in{opacity:1;transform:none}

  /* 返回顶部 */
  .to-top{position:fixed;right:20px;bottom:24px;z-index:40;width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:999px;border:1px solid var(--clay);background:rgba(247,244,238,.94);color:var(--clay);opacity:0;pointer-events:none;transition:opacity .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease)}
  .to-top.is-show{opacity:1;pointer-events:auto}
  .to-top:hover{background:var(--clay);color:#fff}
  @media (min-width:1024px){ .to-top{display:none} }

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

/* roulang page: category3 */
:root{
    --pine:#163A2F;
    --pine-deep:#0E2921;
    --pine-bright:#1F5243;
    --clay:#C0562A;
    --clay-hover:#A5461F;
    --clay-soft:#F6E9E0;
    --gold:#C9A96A;
    --paper:#F7F4EE;
    --card:#FFFFFF;
    --surface-2:#EFEAE1;
    --ink:#1A1A17;
    --ink-2:#5B5950;
    --ink-3:#8A8579;
    --ink-invert:#F3EFE6;
    --line:#DFD8C9;
    --aux:#3F6B76;
    --radius-card:6px;
    --radius-btn:4px;
    --ease:cubic-bezier(.22,.61,.36,1);
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',sans-serif;
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  h1,h2,h3{font-family:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;line-height:1.25;letter-spacing:.01em;margin:0}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--clay);outline-offset:2px}

  .container-site{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
  @media (min-width:640px){.container-site{padding-left:32px;padding-right:32px}}
  @media (min-width:1024px){.container-site{padding-left:48px;padding-right:48px}}

  /* 导航 */
  #siteHeader{background:rgba(247,244,238,.88)}
  #siteHeader.is-scrolled{background:rgba(247,244,238,.94);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border-bottom-color:var(--line)}
  .logo-mark{
    position:relative;display:inline-block;width:14px;height:18px;
    border:2px solid var(--pine);border-bottom:none;border-radius:3px 3px 0 0;
  }
  .logo-mark::after{content:"";position:absolute;left:2px;right:2px;bottom:3px;height:2px;background:var(--clay)}
  .nav-chip{
    position:relative;display:inline-flex;align-items:center;height:36px;padding:0 12px;
    border-radius:9999px;font-size:14.5px;color:var(--ink-2);white-space:nowrap;
    transition:background-color .2s var(--ease),color .2s var(--ease);
  }
  .nav-chip:hover{background:var(--surface-2);color:var(--pine)}
  .nav-chip.is-active{color:var(--pine);font-weight:700}
  .nav-chip.is-active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
    background:var(--clay);border-radius:2px;
  }
  .chip-scroll{display:flex;overflow-x:auto;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .chip-scroll::-webkit-scrollbar{display:none}
  .chip-scroll > *{scroll-snap-align:start}
  .chip-scroll .nav-chip{height:44px}
  .fade-x{position:relative}
  .fade-x::before,.fade-x::after{content:"";position:absolute;top:0;bottom:0;width:22px;pointer-events:none;z-index:2}
  .fade-x::before{left:0;background:linear-gradient(90deg,rgba(247,244,238,.96),rgba(247,244,238,0))}
  .fade-x::after{right:0;background:linear-gradient(270deg,rgba(247,244,238,.96),rgba(247,244,238,0))}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 18px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
  }
  .btn svg{transition:transform .2s var(--ease)}
  .btn:hover svg{transform:translateX(4px)}
  .btn-primary{background:var(--clay);color:#fff}
  .btn-primary:hover{background:var(--clay-hover)}
  .btn-primary:active{transform:translateY(1px)}
  .btn-ghost{border-color:var(--pine);color:var(--pine);background:transparent}
  .btn-ghost:hover{background:var(--pine);color:var(--ink-invert)}
  .btn-ghost:hover svg{transform:none}
  .btn-light{background:var(--ink-invert);color:var(--pine-deep)}
  .btn-light:hover{background:#fff}
  .btn-outline-light{border-color:rgba(243,239,230,.5);color:var(--ink-invert);background:transparent}
  .btn-outline-light:hover{border-color:var(--ink-invert);background:rgba(243,239,230,.08)}

  /* 分类 Hero */
  .hero-cat{
    position:relative;
    background-color:var(--pine-deep);
    background-image:linear-gradient(180deg,rgba(14,41,33,.86),rgba(14,41,33,.92)),url('/assets/images/backpic/back-3.webp');
    background-size:cover;
    background-position:center;
    padding-top:150px;
    padding-bottom:52px;
    color:var(--ink-invert);
  }
  @media (min-width:1024px){
    .hero-cat{padding-top:126px;padding-bottom:64px;min-height:360px}
  }
  .crumb{font-size:13px;letter-spacing:.06em;color:rgba(243,239,230,.66)}
  .crumb a{transition:color .2s var(--ease)}
  .crumb a:hover{color:var(--clay-soft)}
  .crumb span{margin:0 8px;color:rgba(243,239,230,.35)}
  .hero-title{font-size:30px;line-height:1.3;color:#fff}
  @media (min-width:640px){.hero-title{font-size:38px}}
  @media (min-width:1024px){.hero-title{font-size:44px}}
  .hero-sub{margin-top:16px;max-width:640px;font-size:16px;line-height:1.9;color:rgba(243,239,230,.8)}
  .anchor-chip{
    display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:9999px;
    border:1px solid rgba(243,239,230,.28);font-size:14px;color:rgba(243,239,230,.9);
    transition:border-color .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
  }
  .anchor-chip:hover{border-color:var(--clay-soft);background:rgba(243,239,230,.08);color:#fff}

  /* 指标条 */
  .metric{border-top:1px solid var(--line);padding-top:22px}
  .metric-num{font-family:'Noto Serif SC','Songti SC',serif;font-size:30px;line-height:1.2;color:var(--pine)}
  .metric-num .unit{font-size:15px;font-family:'PingFang SC',sans-serif;color:var(--ink-2);margin-left:4px}
  .metric-label{margin-top:6px;font-size:13.5px;color:var(--ink-3);letter-spacing:.04em}

  /* 票种对照表 */
  .cmp-table{width:100%;min-width:860px;border-collapse:collapse;font-size:15px}
  .cmp-table th,.cmp-table td{padding:16px 14px;text-align:left;vertical-align:middle;border-bottom:1px solid var(--line)}
  .cmp-table thead th{background:var(--surface-2);color:var(--pine);font-weight:700;font-size:15px}
  .cmp-table tbody th{font-weight:500;color:var(--ink-2);font-size:14.5px}
  .cmp-table .is-rec{background:var(--clay-soft);box-shadow:inset 1px 0 0 var(--clay),inset -1px 0 0 var(--clay)}
  .cmp-table thead th.is-rec{background:var(--clay-soft)}
  .price{display:block;font-family:ui-monospace,Menlo,monospace;font-size:14px;color:var(--ink-2);margin-top:4px;letter-spacing:.02em}
  .rec-tag{
    display:inline-block;margin-top:6px;padding:1px 8px;border-radius:9999px;
    background:var(--clay);color:#fff;font-size:11.5px;font-weight:600;letter-spacing:.06em;
    font-family:'PingFang SC',sans-serif;
  }
  .yes{color:var(--pine);font-weight:600}
  .no{color:var(--ink-3)}

  .ticket-card{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card);padding:20px}
  .ticket-card.is-rec{border-color:var(--clay);background:var(--clay-soft)}
  .ticket-card h3{font-size:18px;color:var(--pine)}
  .ticket-card .t-price{font-family:ui-monospace,Menlo,monospace;font-size:20px;color:var(--clay);margin-top:6px}

  /* 问答清单 */
  .qa-item{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:26px 0;border-top:1px solid var(--line)}
  @media (min-width:768px){.qa-item{grid-template-columns:64px 1fr;gap:24px;padding:32px 0}}
  .qa-num{font-family:ui-monospace,Menlo,monospace;font-size:14px;letter-spacing:.08em;color:var(--clay);padding-top:6px}
  .qa-q{font-size:19px;color:var(--pine)}
  @media (min-width:768px){.qa-q{font-size:21px}}
  .qa-a{margin-top:10px;max-width:760px;font-size:15.5px;color:var(--ink-2);line-height:1.95}

  /* 规则清单 */
  .rule-list li{position:relative;padding:14px 0 14px 22px;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--ink-2)}
  .rule-list li::before{content:"";position:absolute;left:0;top:24px;width:10px;height:1px;background:var(--clay)}
  .rule-list li strong{color:var(--ink);font-weight:600}
  .notice-bar{
    margin-top:24px;border:1px solid var(--gold);border-left-width:3px;border-radius:var(--radius-card);
    background:rgba(201,169,106,.08);padding:16px 18px;font-size:15px;color:var(--ink-2);
  }

  /* FAQ */
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:64px;padding:16px 0;cursor:pointer;list-style:none;
    font-size:16.5px;font-weight:600;color:var(--ink);
    transition:color .2s var(--ease);
  }
  @media (min-width:768px){.faq-q{font-size:17.5px}}
  .faq-q::-webkit-details-marker{display:none}
  .faq-q:hover{color:var(--clay)}
  details[open] .faq-q{color:var(--pine);font-weight:700}
  .faq-icon{position:relative;flex:0 0 16px;width:16px;height:16px}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor}
  .faq-icon::before{left:0;top:7.5px;width:16px;height:1px}
  .faq-icon::after{left:7.5px;top:0;width:1px;height:16px;transition:transform .24s var(--ease),opacity .24s var(--ease)}
  details[open] .faq-icon::after{transform:scaleY(0);opacity:0}
  .faq-a{padding-bottom:22px;max-width:800px;font-size:15.5px;color:var(--ink-2);line-height:1.95;animation:faqIn .24s var(--ease) both}
  @keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

  /* CTA 深色区 */
  .cta-block{background:var(--pine-deep);color:var(--ink-invert)}
  .cta-line{border-top:1px solid rgba(243,239,230,.14)}
  .cta-list li{position:relative;padding:12px 0 12px 20px;font-size:14.8px;color:rgba(243,239,230,.78);border-bottom:1px solid rgba(243,239,230,.12)}
  .cta-list li::before{content:"";position:absolute;left:0;top:22px;width:8px;height:1px;background:var(--gold)}

  /* 相关分类 */
  .related-chip{
    display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:9999px;
    border:1px solid var(--line);background:var(--card);font-size:14.5px;color:var(--ink-2);
    transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
  }
  .related-chip:hover{border-color:var(--pine);color:var(--pine);background:var(--surface-2)}
  .related-chip.is-current{border-color:var(--pine);color:var(--pine);font-weight:700}

  /* 返回顶部 */
  #toTop{
    position:fixed;right:18px;bottom:20px;z-index:60;
    width:46px;height:46px;border-radius:9999px;border:1px solid var(--clay);
    background:var(--paper);color:var(--clay);display:inline-flex;align-items:center;justify-content:center;
    opacity:0;visibility:hidden;transform:translateY(8px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease),background-color .2s var(--ease);
  }
  #toTop.is-on{opacity:1;visibility:visible;transform:translateY(0)}
  #toTop:hover{background:var(--clay);color:#fff}

  /* 入场动画 */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
  .reveal.is-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}
  }