:root{
  --brand:#b45309;
  --accent:#ca8a04;
  --bg:#fefce8;
  --ink:#451a03;
  --line:#451a03;
  --soft:#fde9c4;
  --card:#fffdf2;
  --shadow:6px 6px 0 var(--ink);
  --shadow-lg:10px 10px 0 var(--ink);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background-color:var(--bg);
  color:var(--ink);
  font-family:'Inter','PingFang SC','Microsoft YaHei',sans-serif;
  font-weight:400;
  line-height:1.9;
  margin:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}
h1,h2,h3,h4,h5,.fw-black{
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.25;
  color:var(--ink);
}
h2{font-size:clamp(1.35rem,2.6vw,2rem);}
h3{font-size:clamp(1.1rem,1.8vw,1.35rem);font-weight:800;}
p{line-height:1.95;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--accent);}
.mono{font-family:'Courier New',ui-monospace,monospace;font-weight:700;}
.rect{border:3px solid var(--line);background:var(--card);box-shadow:var(--shadow);}
.no-radius{border-radius:0!important;}

/* NAV */
.top-nav{
  background:var(--bg);
  border-bottom:3px solid var(--line);
  position:sticky;top:0;z-index:1030;
}
.brand-link{
  font-weight:900;font-size:1.3rem;color:var(--ink);
  display:inline-flex;align-items:center;gap:.5rem;
  border:3px solid var(--line);background:var(--accent);
  padding:.25rem .75rem;box-shadow:4px 4px 0 var(--ink);
}
.brand-link:hover{color:var(--ink);transform:translate(-1px,-1px);box-shadow:6px 6px 0 var(--ink);}
.nav-link-custom{
  color:var(--ink);font-weight:700;padding:.4rem .8rem;
  border:3px solid transparent;display:inline-block;
}
.nav-link-custom:hover{
  color:var(--ink);border:3px solid var(--line);background:var(--soft);
  box-shadow:3px 3px 0 var(--ink);
}
.navbar-toggler{border:3px solid var(--line);border-radius:0;padding:.25rem .5rem;background:var(--soft);}

/* HERO */
.hero-wrap{
  position:relative;overflow:hidden;
  border-bottom:3px solid var(--line);
  background:var(--bg);
}
.hero-bg-layer{
  position:absolute;inset:-15% -10%;
  pointer-events:none;z-index:0;
  background:
    radial-gradient(circle at 15% 25%, rgba(202,138,4,.28), transparent 42%),
    radial-gradient(circle at 82% 70%, rgba(180,83,9,.24), transparent 45%),
    repeating-linear-gradient(45deg, rgba(69,26,3,.055) 0 2px, transparent 2px 26px);
  will-change:transform;
}
.hero-inner{position:relative;z-index:2;padding:4rem 0 3.4rem;}
.hero-kicker{
  display:inline-block;border:3px solid var(--line);background:var(--accent);
  color:var(--ink);font-weight:900;padding:.2rem .9rem;letter-spacing:.05em;
  box-shadow:4px 4px 0 var(--ink);margin-bottom:1.4rem;font-size:.9rem;
}
.hero-title{font-size:clamp(2rem,5.2vw,3.6rem);font-weight:900;margin-bottom:1rem;}
.hero-title .hl{
  background:linear-gradient(transparent 58%, var(--accent) 58%);
  padding:0 .12em;
}
.hero-sub{max-width:640px;font-size:1.05rem;color:#5c2a08;margin-bottom:1.8rem;}
/* 关键词标签云 */
.tag-cloud{
  display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.4rem;
}
.tag-chip{
  border:3px solid var(--line);background:var(--card);
  padding:.2rem .8rem;font-weight:700;font-size:.9rem;
  box-shadow:3px 3px 0 var(--ink);transition:.16s ease;
  white-space:nowrap;
}
.tag-chip:nth-child(3n){background:var(--soft);}
.tag-chip:nth-child(4n){background:var(--accent);}
.tag-chip:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--ink);}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:1.4rem;margin-top:2rem;
}
.stat-box{
  border:3px solid var(--line);background:var(--card);
  padding:.7rem 1.1rem;box-shadow:var(--shadow);min-width:130px;
}
.stat-num{font-family:'Courier New',ui-monospace,monospace;font-size:1.7rem;font-weight:700;color:var(--brand);line-height:1.2;}
.stat-label{font-size:.82rem;font-weight:600;color:#6b3410;}

/* BENTO */
.bento-grid{
  display:grid;gap:1.2rem;
  grid-template-columns:repeat(12,1fr);
}
.bento-card{
  border:3px solid var(--line);background:var(--card);
  box-shadow:var(--shadow);padding:1.4rem;
  transition:transform .18s ease, box-shadow .18s ease;
  grid-column:span 12;
  display:flex;flex-direction:column;
}
.bento-card:hover{transform:translate(-4px,-4px);box-shadow:var(--shadow-lg);}
.bento-icon{
  font-size:1.5rem;color:var(--brand);margin-bottom:.7rem;
  border:3px solid var(--line);width:52px;height:52px;
  display:flex;align-items:center;justify-content:center;background:var(--soft);
}
.bento-card p{margin-bottom:0;font-size:.96rem;color:#5c2a08;}
.bento-card h3{margin-bottom:.55rem;}
.bento-card.span-6{grid-column:span 12;}
.bento-card.span-4{grid-column:span 12;}
.bento-card.span-8{grid-column:span 12;}
@media(min-width:768px){
  .bento-card.span-6{grid-column:span 6;}
  .bento-card.span-4{grid-column:span 4;}
  .bento-card.span-8{grid-column:span 8;}
}
.bento-card .meta-line{
  margin-top:auto;padding-top:.9rem;font-size:.8rem;font-weight:700;
  color:var(--brand);border-top:2px dashed rgba(69,26,3,.35);
}
.bento-accent{background:var(--soft);}

/* TABLE */
.cmp-table{
  width:100%;border-collapse:collapse;border:3px solid var(--line);
  background:var(--card);font-size:.94rem;
}
.cmp-table th,.cmp-table td{
  border:2px solid var(--line);padding:.85rem .9rem;vertical-align:top;
}
.cmp-table thead th{
  background:var(--brand);color:#fffdf2;font-weight:800;font-size:.92rem;
  letter-spacing:.03em;
}
.cmp-table tbody tr:nth-child(even) td{background:var(--soft);}
.cmp-table td:first-child{font-weight:800;color:var(--brand);white-space:nowrap;}
.table-scroll{overflow-x:auto;box-shadow:var(--shadow);}

/* NUMBERED LIST */
.num-list{list-style:none;padding:0;margin:0;counter-reset:step;}
.num-list li{
  counter-increment:step;
  border:3px solid var(--line);background:var(--card);
  box-shadow:5px 5px 0 var(--ink);
  padding:1.1rem 1.2rem 1.1rem 4.2rem;
  position:relative;margin-bottom:1.1rem;
  transition:transform .18s ease,box-shadow .18s ease;
}
.num-list li:hover{transform:translate(-3px,-3px);box-shadow:8px 8px 0 var(--ink);}
.num-list li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:0;bottom:0;width:3.2rem;
  background:var(--accent);border-right:3px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-family:'Courier New',ui-monospace,monospace;font-weight:700;
  font-size:1.15rem;color:var(--ink);
}
.num-list li strong{display:block;font-weight:800;font-size:1.02rem;margin-bottom:.15rem;}
.num-list li span{font-size:.94rem;color:#5c2a08;}

/* FAQ */
.faq-item{
  border:3px solid var(--line);background:var(--card);
  box-shadow:var(--shadow);margin-bottom:1rem;
  transition:transform .18s ease,box-shadow .18s ease;
}
.faq-item:hover{transform:translate(-3px,-3px);box-shadow:var(--shadow-lg);}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;
  padding:1.05rem 1.2rem;font-weight:800;font-size:1.02rem;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:1rem;
  cursor:pointer;line-height:1.6;
}
.faq-q i{color:var(--brand);transition:transform .25s ease;flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  border-top:0 solid var(--line);
}
.faq-item.open .faq-a{border-top:2px solid var(--line);}
.faq-a p{padding:1rem 1.2rem;margin:0;font-size:.95rem;color:#5c2a08;}

/* CTA */
.cta-block{
  border:3px solid var(--line);background:var(--brand);color:#fffdf2;
  box-shadow:10px 10px 0 var(--ink);padding:2.6rem 1.6rem;text-align:center;
}
.cta-block h2{color:#fffdf2;}
.cta-block p{color:#fde9c4;max-width:640px;margin:0 auto 1.6rem;}
.btn-hard{
  display:inline-block;border:3px solid var(--ink);background:var(--accent);
  color:var(--ink);font-weight:900;padding:.7rem 1.8rem;
  box-shadow:6px 6px 0 var(--ink);transition:.16s ease;letter-spacing:.02em;
}
.btn-hard:hover{
  color:var(--ink);background:#fde9c4;
  transform:translate(-3px,-3px);box-shadow:9px 9px 0 var(--ink);
}
.btn-hard-ghost{
  display:inline-block;border:3px solid #fffdf2;background:transparent;
  color:#fffdf2;font-weight:800;padding:.7rem 1.8rem;
  transition:.16s ease;
}
.btn-hard-ghost:hover{background:#fffdf2;color:var(--brand);}

/* FRIEND LINKS */
.friend-links{
  border:3px solid var(--line);background:var(--card);
  box-shadow:var(--shadow);padding:1.4rem;
}
.friend-links h3{font-size:1rem;margin-bottom:.7rem;letter-spacing:.04em;}
.friend-links .fl-body{font-size:.92rem;color:#6b3410;word-break:break-all;}

/* FOOTER */
.site-footer{
  border-top:3px solid var(--line);background:var(--soft);
  padding:2.6rem 0 1.4rem;margin-top:3.4rem;
}
.site-footer h4{font-size:1rem;font-weight:900;margin-bottom:.8rem;}
.footer-link{display:block;color:#5c2a08;font-weight:600;font-size:.92rem;padding:.15rem 0;}
.footer-link:hover{color:var(--brand);text-decoration:underline;text-decoration-thickness:2px;}
.footer-bottom{
  border-top:2px dashed rgba(69,26,3,.4);margin-top:1.8rem;padding-top:1.1rem;
  font-size:.85rem;color:#6b3410;
}
.section-pad{padding:3.4rem 0;}
.section-kicker{
  display:inline-block;font-size:.82rem;font-weight:900;letter-spacing:.14em;
  color:var(--brand);border-bottom:3px solid var(--accent);margin-bottom:.6rem;
}
.sec-lead{max-width:720px;color:#5c2a08;margin-bottom:1.8rem;}

/* --- 子页面追加 --- */
.rank-hero {padding:56px 0 24px;}
.rank-hero .hero-title {font-size:clamp(1.9rem,4.6vw,3.1rem);line-height:1.15;}
.rank-tabs {display:flex;flex-wrap:wrap;gap:.6rem;margin:22px 0 34px;}
.rank-tab {
    font-family:inherit;font-weight:700;font-size:.92rem;cursor:pointer;
    padding:.55rem 1.05rem;border:2px solid var(--ink);border-radius:0;
    background:var(--card);color:var(--ink);box-shadow:3px 3px 0 var(--ink);
    transition:transform .12s ease,box-shadow .12s ease,background .12s ease;
  }
.rank-tab:hover {transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--ink);}
.rank-tab.is-active {background:var(--accent);color:var(--ink);}
.rank-list {display:flex;flex-direction:column;gap:16px;}
.rank-item {
    display:flex;gap:18px;align-items:center;
    background:var(--card);border:2px solid var(--ink);border-radius:0;
    padding:16px 18px;box-shadow:var(--shadow);
    transition:transform .14s ease,box-shadow .14s ease;
  }
.rank-item:hover {transform:translate(-3px,-3px);box-shadow:var(--shadow-lg);}
.rank-no {
    flex:0 0 auto;width:54px;height:54px;display:flex;align-items:center;justify-content:center;
    font-family:'Inter',monospace;font-weight:900;font-size:1.35rem;
    border:2px solid var(--ink);background:var(--soft);color:var(--ink);
  }
.rank-item.top1 .rank-no {background:var(--brand);color:#fffdf2;}
.rank-item.top2 .rank-no {background:var(--accent);color:var(--ink);}
.rank-item.top3 .rank-no {background:var(--soft);color:var(--brand);}
.rank-main {flex:1 1 auto;min-width:0;}
.rank-title {font-weight:800;font-size:1.06rem;margin:0 0 4px;color:var(--ink);}
.rank-meta {font-size:.83rem;color:var(--brand);font-weight:600;margin:0 0 6px;}
.rank-desc {font-size:.9rem;color:var(--ink);opacity:.82;margin:0;line-height:1.55;}
.rank-tags {display:flex;flex-wrap:wrap;gap:.4rem;margin-top:8px;}
.rank-tag {font-size:.72rem;font-weight:700;padding:.16rem .5rem;border:1.5px solid var(--ink);background:var(--soft);color:var(--ink);}
.rank-score {flex:0 0 auto;text-align:right;font-family:'Inter',monospace;}
.rank-score .num {display:block;font-size:1.18rem;font-weight:900;color:var(--brand);line-height:1.1;}
.rank-score .lab {font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);opacity:.6;}
.rank-note {
    background:var(--soft);border:2px solid var(--ink);box-shadow:var(--shadow);
    padding:18px 20px;margin:34px 0 10px;
  }
.rank-note p {margin:0;font-size:.92rem;line-height:1.7;color:var(--ink);}
.rank-note strong {color:var(--brand);}
.sec-title {font-weight:900;font-size:clamp(1.35rem,2.6vw,1.85rem);color:var(--ink);margin-bottom:.5rem;}
.sec-title .hl {background:linear-gradient(transparent 62%,var(--accent) 62%);padding:0 .12em;}
.sec-sub {font-size:.95rem;color:var(--ink);opacity:.78;margin-bottom:1.6rem;line-height:1.7;}
.cat-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;}
.cat-card {background:var(--card);border:2px solid var(--ink);box-shadow:var(--shadow);padding:18px;}
.cat-card h3 {font-size:1.02rem;font-weight:800;margin:0 0 4px;color:var(--brand);}
.cat-card .cat-top {font-weight:700;font-size:.93rem;margin:0 0 6px;color:var(--ink);}
.cat-card p {font-size:.86rem;line-height:1.65;margin:0;color:var(--ink);opacity:.8;}
.rule-list {list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.rule-list li {background:var(--card);border:2px solid var(--ink);padding:14px 16px;font-size:.92rem;line-height:1.65;color:var(--ink);box-shadow:4px 4px 0 var(--ink);}
.rule-list li b {color:var(--brand);}
.cta-box {background:var(--brand);color:#fffdf2;border:2px solid var(--ink);box-shadow:var(--shadow-lg);padding:28px 24px;margin:44px 0 8px;}
.cta-box h2 {font-size:1.3rem;font-weight:900;margin:0 0 8px;color:#fffdf2;}
.cta-box p {margin:0 0 16px;font-size:.94rem;line-height:1.7;opacity:.92;}
.btn-brand {
    display:inline-block;font-weight:800;text-decoration:none;
    background:var(--accent);color:var(--ink);border:2px solid var(--ink);
    padding:.65rem 1.3rem;box-shadow:4px 4px 0 var(--ink);
    transition:transform .12s ease,box-shadow .12s ease;
  }
.btn-brand:hover {transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--ink);color:var(--ink);}
.rank-item {flex-wrap:wrap;gap:12px;}
.rank-score {text-align:left;padding-left:72px;}

/* --- 子页面追加 --- */
.about-lead {max-width:820px;}
.about-block {background:var(--card);border:2px solid var(--line);border-radius:0;box-shadow:var(--shadow);padding:1.6rem 1.5rem;}
.about-block + .about-block {margin-top:1.6rem;}
.about-h2 {font-weight:800;font-size:1.35rem;letter-spacing:.2px;margin-bottom:.9rem;color:var(--ink);display:flex;align-items:center;gap:.55rem;}
.about-h2 .num {font-family:'Inter',monospace;font-size:.8rem;font-weight:800;background:var(--brand);color:var(--bg);padding:.15rem .5rem;border:2px solid var(--line);}
.about-p {color:var(--ink);line-height:1.95;margin-bottom:.9rem;font-size:.98rem;}
.about-p:last-child {margin-bottom:0;}
.about-p strong {background:var(--soft);padding:0 .18rem;}
.pick-list {list-style:none;padding:0;margin:0;}
.pick-list li {position:relative;padding-left:1.55rem;margin-bottom:.75rem;line-height:1.85;font-size:.97rem;color:var(--ink);}
.pick-list li::before {content:"\f02d";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:.15rem;color:var(--accent);font-size:.85rem;}
.time-line {border-left:3px solid var(--line);padding-left:1.1rem;margin:0;}
.time-item {margin-bottom:1.1rem;}
.time-item:last-child {margin-bottom:0;}
.time-tag {display:inline-block;font-family:'Inter',monospace;font-weight:800;font-size:.78rem;background:var(--accent);color:var(--ink);border:2px solid var(--line);padding:.1rem .45rem;margin-bottom:.35rem;}
.time-item p {margin:0;line-height:1.9;font-size:.96rem;color:var(--ink);}
.quote-box {background:var(--soft);border:2px solid var(--line);box-shadow:var(--shadow);padding:1.2rem 1.3rem;font-weight:600;line-height:1.9;color:var(--ink);}
.mini-stats {display:grid;grid-template-columns:repeat(3,1fr);gap:.9rem;margin-top:1.2rem;}
.mini-stat {background:var(--card);border:2px solid var(--line);box-shadow:4px 4px 0 var(--ink);padding:.9rem .6rem;text-align:center;}
.mini-stat b {display:block;font-family:'Inter',monospace;font-size:1.4rem;font-weight:800;color:var(--brand);line-height:1.2;}
.mini-stat span {font-size:.78rem;color:var(--ink);opacity:.8;}
.cta-strip {background:var(--brand);border:2px solid var(--line);box-shadow:var(--shadow);color:var(--bg);padding:1.5rem 1.4rem;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;}
.cta-strip p {margin:0;font-weight:600;line-height:1.8;}
.btn-solid {display:inline-block;background:var(--bg);color:var(--ink);border:2px solid var(--line);box-shadow:4px 4px 0 var(--ink);padding:.55rem 1.15rem;font-weight:800;text-decoration:none;transition:.15s;}
.btn-solid:hover {transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--ink);color:var(--ink);}
.mini-stats {grid-template-columns:1fr;}
.about-block {padding:1.2rem 1rem;}

/* --- 子页面追加 --- */
.legal-wrap {max-width:900px;margin:0 auto;padding:0 16px;}
.legal-panel {background:var(--card);border:3px solid var(--line);box-shadow:var(--shadow);padding:28px 26px;margin-bottom:28px;}
.legal-panel h2 {font-size:1.35rem;font-weight:800;margin-bottom:14px;letter-spacing:.3px;}
.legal-panel h2 .num {display:inline-block;background:var(--brand);color:#fffdf2;font-size:.85rem;font-weight:800;padding:2px 9px;margin-right:10px;border:2px solid var(--line);transform:translateY(-2px);}
.legal-panel p {line-height:1.95;margin-bottom:12px;font-size:.97rem;color:var(--ink);}
.legal-panel p:last-child {margin-bottom:0;}
.legal-panel ul {margin:0 0 12px;padding-left:0;list-style:none;}
.legal-panel ul li {position:relative;padding-left:22px;line-height:1.9;font-size:.96rem;margin-bottom:8px;}
.legal-panel ul li::before {content:"▸";position:absolute;left:2px;top:0;color:var(--accent);font-weight:900;}
.legal-panel strong {color:var(--brand);}
.legal-meta {font-size:.85rem;color:#7c5a2e;margin-top:6px;}
.toc-box {background:var(--soft);border:3px solid var(--line);box-shadow:var(--shadow);padding:20px 24px;margin-bottom:32px;}
.toc-box .toc-title {font-weight:800;font-size:1rem;margin-bottom:10px;letter-spacing:.4px;}
.toc-box ol {margin:0;padding-left:20px;}
.toc-box ol li {margin-bottom:6px;font-size:.93rem;}
.toc-box ol li a {color:var(--ink);text-decoration:none;border-bottom:1px dashed var(--brand);}
.toc-box ol li a:hover {color:var(--brand);}
.highlight-strip {background:var(--brand);color:#fffdf2;border:3px solid var(--line);box-shadow:var(--shadow);padding:18px 24px;margin-bottom:30px;font-weight:600;line-height:1.85;font-size:.95rem;}
.highlight-strip i {margin-right:8px;}
.legal-panel {padding:20px 16px;}
.legal-panel h2 {font-size:1.15rem;}
.highlight-strip {padding:14px 16px;font-size:.9rem;}

/* --- 子页面追加 --- */
.contact-card {background:var(--card);border:2px solid var(--line);box-shadow:var(--shadow);padding:1.5rem;height:100%;}
.contact-card h3 {font-size:1.05rem;font-weight:800;margin-bottom:.6rem;color:var(--ink);}
.contact-card p {font-size:.92rem;line-height:1.75;color:var(--ink);margin-bottom:.5rem;}
.contact-mail {display:inline-block;font-family:'Inter',monospace;font-weight:700;background:var(--soft);border:2px solid var(--line);padding:.15rem .5rem;color:var(--ink);word-break:break-all;font-size:.88rem;}
.contact-card .fa-solid,.contact-card .fa-regular {color:var(--brand);margin-right:.4rem;}
.time-chip {display:inline-block;font-size:.75rem;font-weight:700;background:var(--accent);color:#fffdf2;padding:.1rem .5rem;border:2px solid var(--line);margin-top:.5rem;}
.form-shell {background:var(--card);border:2px solid var(--line);box-shadow:var(--shadow-lg);padding:1.6rem;}
.form-shell {padding:1.1rem;box-shadow:var(--shadow);}
.field-label {display:block;font-size:.82rem;font-weight:800;letter-spacing:.02em;margin-bottom:.35rem;color:var(--ink);}
.field-input,.field-select,.field-textarea {width:100%;background:#fffdf2;border:2px solid var(--line);border-radius:0;color:var(--ink);font-family:'Inter','PingFang SC','Microsoft YaHei',sans-serif;font-size:.9rem;padding:.6rem .7rem;box-shadow:3px 3px 0 rgba(69,26,3,.15);}
.field-input:focus,.field-select:focus,.field-textarea:focus {outline:none;border-color:var(--brand);box-shadow:3px 3px 0 var(--accent);}
.field-input::placeholder,.field-textarea::placeholder {color:rgba(69,26,3,.4);}
.field-textarea {resize:vertical;min-height:130px;}
.note-line {font-size:.8rem;color:var(--ink);opacity:.75;line-height:1.7;}
.rule-list li::before {content:"\f0da";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:0;color:var(--accent);}