:root{
  --primary:#10b981;
  --accent:#fbbf24;
  --bg:#0a1410;
  --text:#ecfdf5;
  --bg-soft:#0e1b16;
  --line:rgba(236,253,245,.14);
  --line-strong:rgba(236,253,245,.28);
  --muted:rgba(236,253,245,.62);
  --muted-2:rgba(236,253,245,.42);
  --radius:4px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:13.5px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--primary);}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-.01em;}
p{margin:0 0 8px;}
img{display:block;max-width:100%;}
::selection{background:var(--primary);color:#04120c;}

.wrap{max-width:1280px;margin:0 auto;padding:0 18px;}

/* ============ NAV ============ */
.site-nav{
  position:sticky;top:0;z-index:60;
  background:rgba(10,20,16,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;gap:18px;
  height:58px;
}
.brand{
  display:flex;align-items:center;gap:8px;
  font-size:18px;font-weight:900;letter-spacing:-.02em;
  color:var(--text);white-space:nowrap;
}
.brand i{color:var(--primary);font-size:16px;}
.brand:hover{color:var(--text);}
.nav-links{
  display:flex;align-items:center;gap:2px;
  flex:1;overflow-x:auto;scrollbar-width:none;
}
.nav-links::-webkit-scrollbar{display:none;}
.nav-links a{
  font-size:13px;font-weight:500;color:var(--muted);
  padding:6px 11px;border-radius:999px;white-space:nowrap;
  transition:.18s;
}
.nav-links a:hover{color:var(--text);background:rgba(16,185,129,.14);}
.nav-links a.is-active{color:var(--primary);font-weight:700;}
.nav-toggle{
  display:none;background:none;border:1px solid var(--line-strong);
  color:var(--text);border-radius:var(--radius);width:36px;height:34px;
  align-items:center;justify-content:center;
}
@media(max-width:900px){
  .nav-toggle{display:flex;}
  .nav-links{
    position:absolute;left:0;right:0;top:58px;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg-soft);border-bottom:1px solid var(--line);
    padding:8px 14px 14px;display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:10px 6px;border-bottom:1px solid var(--line);border-radius:0;}
}

/* ============ HERO ============ */
.hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  padding:44px 0 40px;
}
.hero-bg{
  position:absolute;inset:-20% 0;z-index:0;
  background:
    radial-gradient(760px 340px at 12% 8%,rgba(16,185,129,.20),transparent 66%),
    radial-gradient(620px 300px at 88% 90%,rgba(251,191,36,.12),transparent 68%);
  will-change:transform;
}
.hero-grid-lines{
  position:absolute;inset:0;z-index:0;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 40%,#000 30%,transparent 82%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 30%,transparent 82%);
}
.hero .wrap{position:relative;z-index:2;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:7px;
  font-size:11.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--primary);border:1px solid rgba(16,185,129,.4);
  padding:3px 10px;border-radius:999px;margin-bottom:16px;
}
.hero h1{
  font-size:clamp(26px,4.2vw,44px);line-height:1.18;
  font-weight:900;letter-spacing:-.03em;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-lead{
  max-width:680px;margin-top:12px;color:var(--muted);
  font-size:13.5px;
}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;margin-top:30px;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
}
.stat{
  padding:16px 14px;border-right:1px solid var(--line);
}
.stat:last-child{border-right:none;}
.stat-num{
  font-size:clamp(22px,3.2vw,34px);font-weight:900;letter-spacing:-.03em;
  line-height:1;color:var(--text);
}
.stat-num span{color:var(--accent);}
.stat-label{font-size:11.5px;color:var(--muted-2);margin-top:7px;letter-spacing:.04em;}
@media(max-width:640px){
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat:nth-child(2){border-right:none;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line);}
}

/* ============ LAYOUT ============ */
.layout{
  display:grid;grid-template-columns:196px minmax(0,1fr);
  gap:26px;align-items:start;padding:34px 0 10px;
}
@media(max-width:980px){.layout{grid-template-columns:1fr;gap:20px;}}

/* ============ FILTER RAIL ============ */
.rail{
  position:sticky;top:76px;
  border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 12px;
}
@media(max-width:980px){.rail{position:static;}}
.rail-title{
  font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted-2);margin-bottom:12px;
}
.rail-group{margin-bottom:16px;}
.rail-group:last-child{margin-bottom:0;}
.rail-group h4{
  font-size:11.5px;font-weight:700;color:var(--muted);margin-bottom:8px;
  letter-spacing:.06em;
}
.chip-row{display:flex;flex-wrap:wrap;gap:5px;}
.chip{
  font-size:11.5px;font-weight:500;
  border:1px solid var(--line-strong);border-radius:999px;
  padding:2px 9px;color:var(--muted);
  transition:.16s;cursor:pointer;background:transparent;
}
.chip:hover{border-color:var(--primary);color:var(--primary);}
.chip.on{background:var(--primary);border-color:var(--primary);color:#04120c;font-weight:700;}

/* ============ SECTION ============ */
.sec{padding:30px 0;border-top:1px solid var(--line);}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:14px;margin-bottom:16px;flex-wrap:wrap;
}
.sec-head h2{
  font-size:19px;font-weight:900;letter-spacing:-.02em;
  display:flex;align-items:center;gap:9px;
}
.sec-head h2 i{color:var(--primary);font-size:15px;}
.sec-head .sub{font-size:12px;color:var(--muted-2);max-width:520px;}
.sec-link{font-size:12px;color:var(--muted);border-bottom:1px solid var(--line-strong);padding-bottom:1px;}
.sec-link:hover{color:var(--primary);border-color:var(--primary);}

/* ============ POSTER GRID ============ */
.poster-grid{
  display:grid;grid-template-columns:repeat(6,minmax(0,1fr));
  gap:12px;width:100%;
}
@media(max-width:1180px){.poster-grid{grid-template-columns:repeat(5,minmax(0,1fr));}}
@media(max-width:900px){.poster-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
@media(max-width:640px){.poster-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;}}
@media(max-width:400px){.poster-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}

.poster{
  border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;background:var(--bg-soft);
  transition:border-color .2s;
}
.poster:hover{border-color:var(--primary);}
.poster-thumb{
  position:relative;width:100%;aspect-ratio:2/3;overflow:hidden;background:#0f1f19;
}
.poster-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s cubic-bezier(.2,.7,.3,1);
}
.poster:hover .poster-thumb img{transform:scale(1.07);}
.poster-mask{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(4,18,12,.94) 0%,rgba(4,18,12,.5) 44%,transparent 78%);
  opacity:0;transition:opacity .28s;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:9px;gap:4px;
}
.poster:hover .poster-mask{opacity:1;}
.poster-mask .m-line{font-size:10.5px;color:var(--muted);line-height:1.4;}
.poster-mask .m-tag{
  align-self:flex-start;font-size:10px;font-weight:700;
  color:#04120c;background:var(--primary);border-radius:999px;padding:1px 7px;
}
.poster-cap{
  padding:7px 8px 8px;border-top:1px solid var(--line);
}
.poster-cap .p-title{
  font-size:12px;font-weight:700;line-height:1.35;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.poster-cap .p-meta{
  font-size:10.5px;color:var(--muted-2);margin-top:3px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* ============ RANK ============ */
.rank-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
@media(max-width:760px){.rank-grid{grid-template-columns:1fr;}}
.rank-item{
  display:flex;align-items:center;gap:11px;
  padding:10px 13px;border-bottom:1px solid var(--line);
  transition:background .18s;
}
.rank-item:hover{background:rgba(16,185,129,.07);}
.rank-item:nth-child(odd){border-right:1px solid var(--line);}
@media(max-width:760px){.rank-item:nth-child(odd){border-right:none;}}
.rank-no{
  flex:0 0 26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:11.5px;font-weight:900;
  border:1px solid var(--line-strong);color:var(--muted);
}
.rank-no.gold{background:var(--accent);border-color:var(--accent);color:#241a00;}
.rank-no.silver{background:rgba(236,253,245,.78);border-color:rgba(236,253,245,.78);color:#0a1410;}
.rank-no.bronze{background:#b5713a;border-color:#b5713a;color:#fff7ee;}
.rank-body{min-width:0;flex:1;}
.rank-body .r-name{font-size:12.5px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rank-body .r-sub{font-size:10.5px;color:var(--muted-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rank-heat{
  font-size:11px;font-weight:700;color:var(--primary);white-space:nowrap;
  font-variant-numeric:tabular-nums;
}

/* ============ TOPIC CARDS ============ */
.card-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;
}
@media(max-width:900px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(max-width:560px){.card-grid{grid-template-columns:1fr;}}
.mini-card{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;background:var(--bg-soft);
  transition:border-color .2s,background .2s;
}
.mini-card:hover{border-color:var(--primary);background:#102019;}
.mini-card h3{font-size:13.5px;font-weight:800;margin-bottom:5px;}
.mini-card p{font-size:11.5px;color:var(--muted);margin:0 0 9px;line-height:1.65;}
.mini-card .mc-meta{
  display:flex;gap:8px;font-size:10.5px;color:var(--muted-2);
  border-top:1px solid var(--line);padding-top:8px;
}
.mini-card .mc-meta b{color:var(--primary);font-weight:700;}

/* ============ STEPS ============ */
.steps{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
@media(max-width:820px){.steps{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(max-width:460px){.steps{grid-template-columns:1fr;}}
.step{
  padding:15px 13px;border-right:1px solid var(--line);position:relative;
}
.step:last-child{border-right:none;}
@media(max-width:820px){
  .step:nth-child(2){border-right:none;}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line);}
}
@media(max-width:460px){
  .step{border-right:none;border-bottom:1px solid var(--line);}
  .step:last-child{border-bottom:none;}
}
.step-no{
  font-size:10.5px;font-weight:800;letter-spacing:.14em;
  color:var(--primary);margin-bottom:6px;
}
.step h4{font-size:12.5px;font-weight:800;margin-bottom:4px;}
.step p{font-size:11.5px;color:var(--muted);margin:0;line-height:1.65;}

/* ============ SPECIAL BAR ============ */
.special-strip{
  display:flex;gap:10px;flex-wrap:wrap;
}
.special-pill{
  border:1px solid var(--line-strong);border-radius:999px;
  padding:5px 13px;font-size:12px;color:var(--muted);
  transition:.18s;
}
.special-pill:hover{
  border-color:var(--accent);color:var(--accent);
  background:rgba(251,191,36,.07);
}

/* ============ FRIENDS ============ */
.friend-box{
  border:1px dashed var(--line-strong);border-radius:var(--radius);
  padding:14px 15px;font-size:12px;color:var(--muted);
  word-break:break-all;
}

/* ============ FOOTER ============ */
footer{
  border-top:1px solid var(--line);margin-top:26px;
  padding:26px 0 34px;font-size:12px;color:var(--muted-2);
}
.foot-top{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:22px;
  padding-bottom:20px;border-bottom:1px solid var(--line);
}
@media(max-width:720px){.foot-top{grid-template-columns:1fr;gap:16px;}}
.foot-brand{font-size:16px;font-weight:900;color:var(--text);margin-bottom:7px;display:flex;align-items:center;gap:7px;}
.foot-brand i{color:var(--primary);font-size:14px;}
.foot-col h5{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:9px;}
.foot-col a{display:block;font-size:12px;color:var(--muted-2);padding:3px 0;}
.foot-col a:hover{color:var(--primary);}
.foot-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding-top:14px;font-size:11.5px;
}

/* reveal */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease;}
.reveal.in{opacity:1;transform:none;}

/* --- 子页面追加 --- */
/* 顶部导航沿用首页结构 */
  .site-nav {
    position:sticky; top:0; z-index:50;
    background:rgba(10,20,16,.86);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
  }
/* 页面主体 */
  .g-hero {
    position:relative; padding:56px 0 40px;
    border-bottom:1px solid var(--line);
    background:
      radial-gradient(900px 360px at 12% -10%, rgba(16,185,129,.16), transparent 70%),
      radial-gradient(700px 300px at 88% 0%, rgba(251,191,36,.10), transparent 70%);
  }
.g-hero h1 {
    font-size:clamp(26px,4.2vw,42px); line-height:1.22;
    font-weight:900; letter-spacing:-.5px; margin:0 0 16px; max-width:900px;
  }
.g-hero h1 em { font-style:normal; color:var(--primary); }
.sec:last-of-type { border-bottom:0; }
.sec-head p { margin:0; color:var(--muted-2); font-size:13.5px; max-width:520px; }
.g-card {
    background:var(--bg-soft);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:22px 22px 20px;
    height:100%;
    transition:.2s;
  }
.g-card:hover { border-color:var(--line-strong); transform:translateY(-2px); }
.g-card .num {
    display:inline-flex; align-items:center; justify-content:center;
    width:28px; height:28px; border-radius:var(--radius);
    background:rgba(16,185,129,.16); color:var(--primary);
    font-weight:800; font-size:13px; margin-bottom:12px;
  }
.g-card h3 { font-size:16px; font-weight:700; margin:0 0 9px; color:var(--text); }
.g-card p { font-size:14px; line-height:1.78; color:var(--muted); margin:0; }
.step .idx {
    flex:0 0 auto; width:30px; height:30px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    border:1px solid var(--line-strong); color:var(--accent);
    font-weight:800; font-size:13px;
  }
.step h3 { margin:0 0 6px; font-size:15.5px; font-weight:700; }
.step code {
    background:rgba(16,185,129,.12); color:var(--primary);
    padding:1px 6px; border-radius:3px; font-size:13px;
  }
.chip i { color:var(--primary); font-size:11px; }
.faq { display:grid; gap:0; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.faq-item { border-bottom:1px solid var(--line); }
.faq-item:last-child { border-bottom:0; }
.faq-q {
    width:100%; text-align:left; background:var(--bg-soft); color:var(--text);
    border:0; padding:16px 20px; font-size:15px; font-weight:650;
    display:flex; align-items:center; justify-content:space-between; gap:14px;
    cursor:pointer; font-family:inherit;
  }
.faq-q i { color:var(--primary); font-size:12px; transition:.2s; }
.faq-q[aria-expanded="true"] i { transform:rotate(180deg); }
.faq-a {
    display:none; padding:0 20px 18px; font-size:14px; line-height:1.85;
    color:var(--muted); background:var(--bg-soft);
  }
.faq-a.is-open { display:block; }
.note {
    border-left:3px solid var(--accent);
    background:rgba(251,191,36,.07);
    padding:16px 20px; border-radius:0 var(--radius) var(--radius) 0;
    font-size:14px; line-height:1.82; color:var(--muted);
  }
.note strong { color:var(--accent); }
.tip-list { list-style:none; padding:0; margin:0; display:grid; gap:12px; }
.tip-list li {
    display:flex; gap:11px; font-size:14px; line-height:1.8; color:var(--muted);
  }
.tip-list i { color:var(--primary); margin-top:5px; font-size:12px; }
/* 页脚 */
  .site-foot {
    border-top:1px solid var(--line); background:var(--bg-soft);
    padding:34px 0; margin-top:8px;
  }
.foot-inner { display:flex; flex-wrap:wrap; gap:26px; justify-content:space-between; align-items:flex-start; }
.foot-desc { color:var(--muted-2); font-size:13px; line-height:1.8; max-width:420px; margin-top:10px; }
.foot-links { display:flex; flex-wrap:wrap; gap:8px 20px; }
.foot-links a { color:var(--muted); font-size:13.5px; }
.foot-links a:hover { color:var(--primary); }
.nav-links.is-open { display:flex; }
.g-hero { padding:40px 0 32px; }

/* --- 子页面追加 --- */
/* 导航兜底（若站点CSS未加载） */
  .site-nav {position:sticky;top:0;z-index:50;background:rgba(10,20,16,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);}
/* 本页专属少量样式 */
  .about-hero {padding:64px 0 40px;position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.about-hero::before {
    content:"";position:absolute;inset:0;
    background:radial-gradient(600px 300px at 12% 0%,rgba(16,185,129,.20),transparent 65%),
               radial-gradient(500px 260px at 88% 20%,rgba(251,191,36,.10),transparent 70%);
    pointer-events:none;
  }
.about-hero .wrap {position:relative;z-index:1;}
.about-kicker {display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:2px;text-transform:uppercase;color:var(--primary);font-weight:700;margin-bottom:16px;}
.about-kicker::before {content:"";width:26px;height:2px;background:var(--primary);display:inline-block;}
.about-hero h1 {font-size:clamp(26px,4vw,42px);line-height:1.25;font-weight:800;margin:0 0 16px;letter-spacing:-.5px;}
.about-hero h1 em {font-style:normal;color:var(--primary);}
.about-lead {color:var(--muted);font-size:16px;line-height:1.85;max-width:760px;margin:0;}
.about-lead strong {color:var(--text);font-weight:600;}
.about-stats {display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px;}
.about-stats {grid-template-columns:repeat(2,1fr);}
.about-stat {background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:18px 16px;}
.about-stat b {display:block;font-size:24px;font-weight:800;color:var(--primary);letter-spacing:-.5px;}
.about-stat span {display:block;margin-top:6px;font-size:12.5px;color:var(--muted-2);}
.about-sec {padding:52px 0;border-bottom:1px solid var(--line);}
.about-sec:last-of-type {border-bottom:none;}
.about-sec h2 {font-size:clamp(20px,2.6vw,27px);font-weight:800;margin:0 0 8px;letter-spacing:-.3px;line-height:1.4;}
.about-sec h2 i {color:var(--accent);margin-right:10px;font-size:.85em;}
.about-sec .sub {color:var(--muted-2);font-size:13.5px;margin:0 0 26px;letter-spacing:.4px;}
.about-sec p {color:var(--muted);font-size:15px;line-height:1.95;margin:0 0 16px;}
.about-sec p strong {color:var(--text);font-weight:600;}
.about-grid {display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.about-grid {grid-template-columns:1fr;}
.about-card {background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;transition:.22s;}
.about-card:hover {border-color:var(--line-strong);transform:translateY(-2px);}
.about-card i {font-size:19px;color:var(--primary);margin-bottom:14px;display:block;}
.about-card h3 {font-size:15.5px;font-weight:700;margin:0 0 10px;color:var(--text);line-height:1.5;}
.about-card p {font-size:13.5px;line-height:1.85;color:var(--muted);margin:0;}
.about-list {list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.about-list li {display:flex;gap:12px;font-size:14.5px;line-height:1.8;color:var(--muted);}
.about-list li i {color:var(--primary);margin-top:5px;font-size:12px;flex-shrink:0;}
.about-list li strong {color:var(--text);font-weight:600;}
.about-timeline {display:grid;gap:0;margin-top:8px;}
.about-timeline .tl {position:relative;padding:0 0 26px 26px;border-left:1px solid var(--line);}
.about-timeline .tl:last-child {padding-bottom:0;border-left-color:transparent;}
.about-timeline .tl::before {content:"";position:absolute;left:-5px;top:5px;width:9px;height:9px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(16,185,129,.14);}
.about-timeline .tl h3 {font-size:15px;font-weight:700;margin:0 0 8px;color:var(--text);}
.about-timeline .tl p {font-size:13.5px;line-height:1.85;color:var(--muted);margin:0;}
.about-quote {
    background:linear-gradient(120deg,rgba(16,185,129,.10),rgba(251,191,36,.06));
    border:1px solid var(--line);border-left:3px solid var(--primary);
    border-radius:var(--radius);padding:24px 26px;margin-top:6px;
  }
.about-quote p {margin:0;font-size:15px;line-height:1.9;color:var(--text);}
.about-quote p span {color:var(--muted-2);display:block;margin-top:12px;font-size:13px;}
.about-cta {display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.btn-site {display:inline-flex;align-items:center;gap:9px;padding:12px 22px;border-radius:var(--radius);font-size:14px;font-weight:600;text-decoration:none;transition:.2s;border:1px solid transparent;}
.btn-site.primary {background:var(--primary);color:#06231a;}
.btn-site.primary:hover {background:#0ea472;}
.btn-site.ghost {background:transparent;color:var(--text);border-color:var(--line-strong);}
.btn-site.ghost:hover {border-color:var(--primary);color:var(--primary);}
.foot-grid {display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:30px;}
.foot-grid {grid-template-columns:1fr;gap:24px;}
.foot-col h4 {font-size:13px;letter-spacing:1px;color:var(--muted-2);text-transform:uppercase;margin:0 0 14px;font-weight:700;}
.foot-bottom a {color:var(--muted-2);text-decoration:none;}
.foot-bottom a:hover {color:var(--primary);}

/* --- 子页面追加 --- */
.doc-hero {padding:64px 0 34px;border-bottom:1px solid var(--line);position:relative;overflow:hidden;}
.doc-hero::after {content:"";position:absolute;inset:0;background:radial-gradient(circle at 82% 12%,rgba(16,185,129,.16),transparent 55%);pointer-events:none;}
.doc-hero .wrap {position:relative;z-index:2;}
.doc-kicker {display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);border:1px solid var(--line-strong);padding:6px 12px;border-radius:var(--radius);background:rgba(251,191,36,.06);}
.doc-title {font-size:clamp(26px,4.2vw,44px);font-weight:800;line-height:1.22;margin:20px 0 14px;letter-spacing:-.01em;}
.doc-title em {font-style:normal;color:var(--primary);}
.doc-lead {max-width:760px;color:var(--muted);font-size:15.5px;line-height:1.85;margin:0;}
.doc-meta {margin-top:22px;display:flex;flex-wrap:wrap;gap:10px;}
.doc-meta span {font-size:12.5px;color:var(--muted-2);border:1px solid var(--line);padding:5px 11px;border-radius:var(--radius);}
.doc-layout {display:grid;grid-template-columns:220px minmax(0,1fr);gap:44px;padding:52px 0 72px;}
.doc-layout {grid-template-columns:1fr;gap:28px;padding:36px 0 56px;}
.doc-toc {position:sticky;top:26px;align-self:start;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-soft);padding:18px 16px;}
.doc-toc {position:static;}
.doc-toc h3 {font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin:0 0 12px;font-weight:700;}
.doc-toc a {display:block;font-size:13.5px;color:var(--muted);text-decoration:none;padding:7px 8px;border-left:2px solid transparent;border-radius:0 var(--radius) var(--radius) 0;transition:.18s;}
.doc-toc a:hover {color:var(--text);background:rgba(16,185,129,.1);border-left-color:var(--primary);}
.doc-body section {margin-bottom:44px;scroll-margin-top:24px;}
.doc-body h2 {font-size:20px;font-weight:700;margin:0 0 16px;display:flex;align-items:flex-start;gap:10px;line-height:1.5;}
.doc-body h2 i {color:var(--primary);font-size:16px;margin-top:5px;}
.doc-body h3 {font-size:15.5px;font-weight:600;color:var(--accent);margin:22px 0 10px;}
.doc-body p {color:var(--muted);font-size:14.8px;line-height:1.95;margin:0 0 13px;}
.doc-body p strong {color:var(--text);font-weight:600;}
.doc-body ul {margin:0 0 14px;padding-left:0;list-style:none;}
.doc-body ul li {position:relative;padding-left:20px;color:var(--muted);font-size:14.8px;line-height:1.95;margin-bottom:8px;}
.doc-body ul li::before {content:"";position:absolute;left:4px;top:11px;width:5px;height:5px;border-radius:50%;background:var(--primary);}
.doc-note {border:1px solid var(--line-strong);border-left:3px solid var(--accent);background:rgba(251,191,36,.06);border-radius:var(--radius);padding:16px 18px;margin:18px 0;}
.doc-note p {margin:0;color:var(--text);font-size:14.5px;line-height:1.9;}
.doc-note p + p {margin-top:8px;}
.doc-footer-note {border-top:1px solid var(--line);padding-top:22px;margin-top:8px;}
.doc-footer-note p {color:var(--muted-2);font-size:13.5px;margin:0;}
.doc-footer-note a {color:var(--primary);text-decoration:none;}
.doc-footer-note a:hover {text-decoration:underline;}

/* --- 子页面追加 --- */
.sitemap-hero {padding:72px 0 36px;border-bottom:1px solid var(--line);background:radial-gradient(120% 140% at 80% 0%,rgba(16,185,129,.16),transparent 55%);}
.sitemap-hero h1 {font-size:clamp(1.7rem,4vw,2.7rem);font-weight:800;line-height:1.25;margin:14px 0 14px;letter-spacing:-.01em;}
.sitemap-hero p {color:var(--muted);max-width:760px;line-height:1.85;font-size:1rem;margin:0;}
.sm-kicker {display:inline-flex;align-items:center;gap:8px;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:700;}
.sm-kicker i {font-size:.8rem;}
.sm-body {padding:52px 0 64px;}
.sm-block {border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-soft);padding:26px 26px 22px;margin-bottom:22px;}
.sm-block h2 {font-size:1.16rem;font-weight:700;margin:0 0 6px;display:flex;align-items:center;gap:10px;color:var(--text);}
.sm-block h2 i {color:var(--primary);font-size:1rem;}
.sm-block .sm-desc {color:var(--muted-2);font-size:.86rem;margin:0 0 18px;line-height:1.7;}
.sm-list {list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px 20px;}
.sm-list li {display:flex;align-items:flex-start;gap:10px;line-height:1.6;}
.sm-list li::before {content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.6rem;color:var(--primary);margin-top:.45em;flex:0 0 auto;}
.sm-list a {color:var(--text);text-decoration:none;font-size:.94rem;border-bottom:1px solid transparent;transition:.15s;}
.sm-list a:hover {color:var(--primary);border-bottom-color:var(--primary);}
.sm-list .sm-note {display:block;color:var(--muted-2);font-size:.8rem;margin-top:2px;}
.sm-tag {display:inline-block;font-size:.68rem;color:var(--accent);border:1px solid rgba(251,191,36,.4);border-radius:999px;padding:1px 8px;margin-left:6px;vertical-align:middle;letter-spacing:.04em;}
.sm-tip {border-left:3px solid var(--accent);background:rgba(251,191,36,.06);padding:16px 20px;border-radius:var(--radius);color:var(--muted);font-size:.9rem;line-height:1.85;}
.sm-tip strong {color:var(--accent);}
.sm-cols {display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.sm-cols {grid-template-columns:1fr;}
.sitemap-hero {padding:52px 0 30px;}
.sm-block {padding:22px 18px;}