:root{
  --main:#b45309;
  --accent:#ca8a04;
  --bg:#fefce8;
  --ink:#451a03;
  --line:#e7e0c8;
  --soft:#f7f1d6;
  --radius:8px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-weight:400;
  line-height:1.7;
  letter-spacing:.1px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{font-weight:800;letter-spacing:-.02em;color:var(--ink);}
a{text-decoration:none;color:var(--main);}
a:hover{color:var(--accent);}
.container-xxl{max-width:1220px;}

/* ---------- Nav ---------- */
.nav-shell{
  position:sticky;top:0;z-index:1030;
  background:rgba(254,252,232,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand-link{
  font-weight:900;font-size:1.42rem;color:var(--ink);
  display:inline-flex;align-items:center;gap:.5rem;letter-spacing:-.03em;
}
.brand-link i{color:var(--main);font-size:1.25rem;}
.brand-link:hover{color:var(--main);}
.nav-links{display:flex;gap:.35rem;flex-wrap:wrap;align-items:center;}
.nav-links a{
  color:var(--ink);font-weight:500;font-size:.94rem;
  padding:.5rem .8rem;border-radius:var(--radius);
  transition:.22s ease;
}
.nav-links a:hover{color:var(--main);background:var(--soft);}
.nav-toggle{
  border:1px solid var(--line);background:#fff;border-radius:var(--radius);
  width:42px;height:38px;display:none;align-items:center;justify-content:center;
  color:var(--ink);font-size:1.05rem;
}
@media(max-width:991px){
  .nav-toggle{display:inline-flex;}
  .nav-links{
    display:none;width:100%;flex-direction:column;align-items:stretch;
    padding:.6rem 0 .3rem;gap:.1rem;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:.7rem .8rem;border-radius:var(--radius);}
}

/* ---------- Hero parallax ---------- */
.hero-wrap{
  position:relative;overflow:hidden;
  padding:4.6rem 0 3.6rem;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:-18% 0 -18% 0;z-index:0;
  background:
    radial-gradient(560px 320px at 12% 18%, rgba(180,83,9,.14), transparent 70%),
    radial-gradient(520px 300px at 88% 72%, rgba(202,138,4,.16), transparent 70%),
    linear-gradient(180deg,#fefce8 0%, #fbf7dd 100%);
  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 12%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 12%,transparent 78%);
}
.hero-inner{position:relative;z-index:1;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:.45rem;
  font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--main);background:#fff;border:1px solid var(--line);
  padding:.36rem .8rem;border-radius:999px;margin-bottom:1.35rem;
}
.hero-title{
  font-size:clamp(2.1rem,5.2vw,3.7rem);
  font-weight:900;line-height:1.14;letter-spacing:-.035em;margin-bottom:1.1rem;
}
.hero-title .hl{color:var(--main);}
.hero-sub{
  font-size:clamp(1rem,1.5vw,1.12rem);color:#6b3410;max-width:620px;margin-bottom:1.9rem;
}
.btn-main{
  background:var(--main);color:#fff;font-weight:600;border:1px solid var(--main);
  border-radius:var(--radius);padding:.72rem 1.5rem;transition:.22s ease;display:inline-block;
}
.btn-main:hover{background:#8f4107;border-color:#8f4107;color:#fff;transform:translateY(-1px);}
.btn-ghost{
  background:transparent;color:var(--ink);font-weight:600;border:1px solid var(--ink);
  border-radius:var(--radius);padding:.72rem 1.5rem;transition:.22s ease;display:inline-block;
}
.btn-ghost:hover{background:var(--ink);color:#fefce8;transform:translateY(-1px);}
.hero-stats{display:flex;gap:2.4rem;flex-wrap:wrap;margin-top:2.6rem;}
.hero-stats .num{font-size:2.05rem;font-weight:900;color:var(--main);line-height:1;letter-spacing:-.04em;}
.hero-stats .lbl{font-size:.82rem;color:#7a4a1f;margin-top:.4rem;}

/* ---------- Bento ---------- */
.section-pad{padding:4.2rem 0;}
.sec-head{margin-bottom:2.4rem;}
.sec-kicker{
  font-size:.76rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);margin-bottom:.5rem;display:block;
}
.sec-title{font-size:clamp(1.55rem,3vw,2.15rem);font-weight:900;letter-spacing:-.03em;margin-bottom:.6rem;}
.sec-desc{color:#7a4a1f;max-width:640px;margin:0;}

.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:1rem;}
.bento-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.55rem;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.bento-card:hover{transform:scale(1.014);border-color:var(--main);box-shadow:0 8px 26px -18px rgba(69,26,3,.5);}
.bento-card h3{font-size:1.06rem;font-weight:800;margin-bottom:.5rem;}
.bento-card p{font-size:.92rem;color:#6b3410;margin:0;}
.card-ico{
  width:40px;height:40px;border-radius:var(--radius);display:inline-flex;
  align-items:center;justify-content:center;background:var(--soft);color:var(--main);
  font-size:1.02rem;margin-bottom:1rem;
}
.span-7{grid-column:span 7;}
.span-5{grid-column:span 5;}
.span-4{grid-column:span 4;}
.span-6{grid-column:span 6;}
.span-8{grid-column:span 8;}
.span-12{grid-column:span 12;}
@media(max-width:991px){
  .span-7,.span-5,.span-4,.span-6,.span-8{grid-column:span 12;}
}
.big-num{font-size:2.6rem;font-weight:900;color:var(--main);line-height:1;letter-spacing:-.05em;}
.mini-tag{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.06em;
  color:var(--main);background:var(--soft);border-radius:6px;padding:.2rem .5rem;margin-bottom:.8rem;
}
.bento-feature{background:var(--main);border-color:var(--main);color:#fefce8;}
.bento-feature h3{color:#fff;}
.bento-feature p{color:#fde8c8;}
.bento-feature .card-ico{background:rgba(255,255,255,.16);color:#fff;}
.bento-feature .big-num{color:#fde68a;}

/* ---------- Table ---------- */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.tbl{width:100%;border-collapse:collapse;font-size:.93rem;}
.tbl thead th{
  background:var(--soft);color:var(--ink);font-weight:800;font-size:.84rem;
  letter-spacing:.04em;padding:1rem 1.1rem;text-align:left;border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.tbl tbody td{padding:1rem 1.1rem;border-bottom:1px solid var(--line);color:#5d3210;vertical-align:top;}
.tbl tbody tr:last-child td{border-bottom:none;}
.tbl tbody tr:hover{background:#fdfaeb;}
.tbl .cat{font-weight:800;color:var(--ink);}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-right:.45rem;}
.tbl-scroll{overflow-x:auto;}

/* ---------- FAQ ---------- */
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:.7rem;overflow:hidden;transition:border-color .2s ease;
}
.faq-item:hover{border-color:var(--accent);}
.faq-q{
  width:100%;text-align:left;background:none;border:none;padding:1.15rem 3rem 1.15rem 1.2rem;
  font-weight:700;font-size:.98rem;color:var(--ink);position:relative;cursor:pointer;line-height:1.5;
}
.faq-q .arrow{
  position:absolute;right:1.2rem;top:50%;transform:translateY(-50%);
  color:var(--main);font-size:.82rem;transition:transform .25s ease;
}
.faq-item.open .faq-q .arrow{transform:translateY(-50%) rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 1.2rem;}
.faq-item.open .faq-a{max-height:340px;padding-bottom:1.15rem;}
.faq-a p{font-size:.92rem;color:#6b3410;margin:0;}

/* ---------- Intro numbered list ---------- */
.intro-list{list-style:none;counter-reset:step;padding:0;margin:0;}
.intro-list li{
  counter-increment:step;position:relative;padding:1.1rem 1rem 1.1rem 4rem;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:.7rem;transition:border-color .22s ease,transform .22s ease;
}
.intro-list li:hover{border-color:var(--main);transform:translateX(3px);}
.intro-list li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:1rem;top:50%;transform:translateY(-50%);
  font-size:1.15rem;font-weight:900;color:var(--accent);letter-spacing:-.04em;
}
.intro-list strong{font-weight:800;color:var(--ink);display:block;margin-bottom:.15rem;font-size:.97rem;}
.intro-list span{font-size:.9rem;color:#6b3410;}

/* ---------- CTA ---------- */
.cta-box{
  background:var(--ink);color:#fefce8;border-radius:var(--radius);
  padding:3.2rem 2rem;text-align:center;position:relative;overflow:hidden;
}
.cta-box h2{color:#fff;font-size:clamp(1.6rem,3.4vw,2.3rem);font-weight:900;letter-spacing:-.03em;margin-bottom:.9rem;}
.cta-box p{color:#f0d9b5;max-width:600px;margin:0 auto 1.8rem;font-size:.98rem;}
.cta-box .btn-main{background:var(--accent);border-color:var(--accent);}
.cta-box .btn-main:hover{background:#a97203;border-color:#a97203;}
.cta-box .btn-ghost{color:#fefce8;border-color:rgba(254,252,232,.45);}
.cta-box .btn-ghost:hover{background:#fefce8;color:var(--ink);}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line);padding:3rem 0 2rem;background:#fbf7dd;}
.f-brand{font-weight:900;font-size:1.2rem;color:var(--ink);letter-spacing:-.03em;}
.f-brand i{color:var(--main);margin-right:.4rem;}
.f-text{font-size:.88rem;color:#7a4a1f;margin-top:.7rem;max-width:420px;}
.f-links{display:flex;flex-wrap:wrap;gap:.5rem 1.3rem;}
.f-links a{font-size:.9rem;color:#5d3210;font-weight:500;}
.f-links a:hover{color:var(--main);}
.friend-box{
  border-top:1px solid var(--line);margin-top:2.4rem;padding-top:1.6rem;
}
.friend-box .t{font-size:.82rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--main);margin-bottom:.7rem;}
.friend-links{font-size:.88rem;color:#7a4a1f;line-height:1.9;word-break:break-all;}
.copyline{border-top:1px solid var(--line);margin-top:1.8rem;padding-top:1.3rem;font-size:.82rem;color:#8a5a2c;}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.22,.7,.3,1),transform .7s cubic-bezier(.22,.7,.3,1);}
.reveal.in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* --- 子页面追加 --- */
.guide-toc {background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem 1.4rem;}
.guide-toc h3 {font-size:1rem;font-weight:800;letter-spacing:.02em;margin:0 0 .8rem;color:var(--main);}
.guide-toc ol {margin:0;padding-left:1.1rem;font-size:.92rem;line-height:2;}
.guide-toc a {color:var(--ink);text-decoration:none;border-bottom:1px dashed transparent;}
.guide-toc a:hover {color:var(--main);border-bottom-color:var(--main);}
.step-row {display:flex;gap:1rem;align-items:flex-start;padding:1rem 0;border-bottom:1px solid var(--line);}
.step-row:last-child {border-bottom:none;}
.step-num {flex:0 0 40px;height:40px;border-radius:50%;background:var(--main);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.95rem;}
.step-body h4 {font-size:1.02rem;font-weight:800;margin:0 0 .35rem;}
.step-body p {margin:0;font-size:.93rem;line-height:1.75;color:#6b4a2a;}
.tip-box {background:#fff;border-left:4px solid var(--accent);border-radius:var(--radius);padding:1rem 1.2rem;font-size:.92rem;line-height:1.8;box-shadow:0 1px 0 var(--line);}
.tip-box strong {color:var(--main);}
.guide-table {width:100%;border-collapse:collapse;font-size:.9rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.guide-table th {background:var(--soft);color:var(--main);text-align:left;padding:.7rem .85rem;font-weight:800;border-bottom:1px solid var(--line);}
.guide-table td {padding:.7rem .85rem;border-bottom:1px solid var(--line);color:#5a3a1c;line-height:1.6;}
.guide-table tr:last-child td {border-bottom:none;}
.faq-item h4 {font-size:.98rem;font-weight:800;margin:0 0 .5rem;color:var(--ink);}
.faq-item p {margin:0;font-size:.92rem;line-height:1.8;color:#6b4a2a;}
.tag-chip {display:inline-block;background:var(--soft);border:1px solid var(--line);color:var(--main);border-radius:999px;padding:.2rem .75rem;font-size:.82rem;font-weight:600;margin:.2rem .3rem .2rem 0;}
.step-num {flex:0 0 34px;height:34px;font-size:.85rem;}
.guide-table {font-size:.84rem;}
.guide-table th,.guide-table td {padding:.55rem .6rem;}

/* --- 子页面追加 --- */
/* 本页专属少量样式，尽量复用站点类名 */
  .rank-tabs {display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.rank-tab {
    border:1px solid var(--line);background:var(--soft);color:var(--ink);
    padding:8px 18px;border-radius:999px;font-size:.9rem;font-weight:600;
    cursor:pointer;transition:.2s ease;text-decoration:none;
  }
.rank-tab:hover {border-color:var(--accent);color:var(--main)}
.rank-tab.active {background:var(--main);border-color:var(--main);color:#fff}
.rank-list {display:flex;flex-direction:column;gap:14px;margin-top:26px}
.rank-item {
    display:flex;align-items:center;gap:18px;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:16px 20px;transition:.22s ease;
  }
.rank-item:hover {transform:translateY(-2px);box-shadow:0 10px 26px rgba(69,26,3,.08);border-color:var(--accent)}
.rank-no {
    flex:0 0 46px;height:46px;display:flex;align-items:center;justify-content:center;
    border-radius:10px;font-weight:800;font-size:1.15rem;
    background:var(--soft);color:var(--main);border:1px solid var(--line);
  }
.rank-item.top1 .rank-no {background:linear-gradient(135deg,#b45309,#ca8a04);color:#fff;border-color:transparent}
.rank-item.top2 .rank-no {background:linear-gradient(135deg,#ca8a04,#e0b040);color:#fff;border-color:transparent}
.rank-item.top3 .rank-no {background:linear-gradient(135deg,#a16207,#ca8a04);color:#fff;border-color:transparent}
.rank-cover {
    flex:0 0 62px;height:82px;border-radius:6px;overflow:hidden;background:var(--soft);
    border:1px solid var(--line);
  }
.rank-cover img {width:100%;height:100%;object-fit:cover;display:block}
.rank-main {flex:1 1 auto;min-width:0}
.rank-title {
    font-size:1.02rem;font-weight:700;color:var(--ink);margin:0 0 4px;
    display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  }
.rank-tag {
    font-size:.72rem;font-weight:600;padding:2px 9px;border-radius:999px;
    background:var(--soft);color:var(--main);border:1px solid var(--line);
  }
.rank-desc {font-size:.86rem;color:#7a5c3e;margin:0;line-height:1.55}
.rank-meta {
    flex:0 0 auto;text-align:right;font-size:.82rem;color:#8a6a4a;
    display:flex;flex-direction:column;gap:4px;min-width:96px;
  }
.rank-meta strong {color:var(--main);font-size:1.02rem;font-weight:800}
.rank-meta .trend {color:#15803d;font-weight:600}
.rank-meta .trend.down {color:#b91c1c}
.board-note {
    margin-top:34px;background:var(--soft);border:1px dashed var(--line);
    border-radius:var(--radius);padding:18px 22px;font-size:.88rem;color:#6b4a2a;line-height:1.75;
  }
.board-note strong {color:var(--main)}
.rule-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin-top:24px}
.rule-card {
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:20px 20px 18px;
  }
.rule-card .card-ico {margin-bottom:10px}
.rule-card h3 {font-size:1rem;font-weight:700;margin:0 0 8px;color:var(--ink)}
.rule-card p {font-size:.86rem;color:#7a5c3e;margin:0;line-height:1.7}
.rank-item {flex-wrap:wrap;gap:12px;padding:14px 16px}
.rank-meta {flex-direction:row;align-items:center;gap:14px;text-align:left;min-width:0;width:100%}
.rank-cover {flex:0 0 52px;height:70px}

/* --- 子页面追加 --- */
.about-hero { padding: 72px 0 56px; }
.about-lead { max-width: 760px; color: var(--ink); opacity: .82; font-size: 1.06rem; line-height: 1.9; margin-top: 18px; }
.about-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; height: 100%; }
.about-card h3 { font-size: 1.12rem; font-weight: 700; color: var(--main); margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.about-card h3 i { color: var(--accent); font-size: 1rem; }
.about-card p { color: var(--ink); opacity: .8; line-height: 1.85; margin-bottom: 0; font-size: .96rem; }
.about-card p + p { margin-top: 12px; }
.timeline { border-left: 2px solid var(--line); padding-left: 26px; margin-top: 8px; }
.tl-item { position: relative; padding-bottom: 26px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before { content: ""; position: absolute; left: -34px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); border: 3px solid var(--bg); box-shadow: 0 0 0 2px var(--line); }
.tl-item strong { display: block; color: var(--main); font-size: .98rem; margin-bottom: 4px; }
.tl-item span { color: var(--ink); opacity: .78; font-size: .93rem; line-height: 1.8; display: block; }
.rule-list { list-style: none; padding: 0; margin: 0; }
.rule-list li { display: flex; gap: 12px; padding: 13px 0; border-bottom: 1px dashed var(--line); color: var(--ink); opacity: .85; font-size: .95rem; line-height: 1.75; }
.rule-list li:last-child { border-bottom: none; }
.rule-list li i { color: var(--accent); margin-top: 5px; flex-shrink: 0; }
.stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 34px; }
.stat-box { background: var(--soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 16px; text-align: center; }
.stat-box b { display: block; font-size: 1.5rem; font-weight: 800; color: var(--main); line-height: 1.2; }
.stat-box small { color: var(--ink); opacity: .68; font-size: .82rem; }
.quote-block { background: var(--soft); border-left: 4px solid var(--accent); border-radius: var(--radius); padding: 24px 26px; color: var(--ink); opacity: .88; line-height: 1.9; font-size: .98rem; }
.stat-strip { grid-template-columns: repeat(2, 1fr); }
.about-hero { padding: 48px 0 36px; }

/* --- 子页面追加 --- */
/* 本页专属少量样式 */
  .legal-wrap {max-width:900px;margin:0 auto;}
.legal-block {background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;margin-bottom:18px;}
.legal-block h2 {font-size:1.22rem;font-weight:800;color:var(--ink);margin:0 0 12px;display:flex;align-items:center;gap:10px;}
.legal-block h2 i {color:var(--main);font-size:1rem;}
.legal-block h3 {font-size:1.02rem;font-weight:700;color:var(--main);margin:18px 0 8px;}
.legal-block p,.legal-block li {color:#5c4326;font-size:.95rem;line-height:1.85;}
.legal-block ul {padding-left:1.15rem;margin:8px 0 0;}
.legal-block li {margin-bottom:6px;}
.legal-block strong {color:var(--ink);}
.legal-note {background:var(--soft);border-left:4px solid var(--accent);border-radius:var(--radius);padding:16px 20px;font-size:.92rem;color:#6b5225;line-height:1.8;}
.legal-update {font-size:.85rem;color:#8a7550;margin-bottom:22px;}
.legal-toc {display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;}
.legal-toc a {display:inline-block;padding:6px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--main);font-size:.85rem;font-weight:600;text-decoration:none;transition:.2s;}
.legal-toc a:hover {background:var(--main);color:#fff;border-color:var(--main);}
.legal-contact {background:var(--ink);color:#fef3c7;border-radius:var(--radius);padding:24px 26px;font-size:.93rem;line-height:1.85;}
.legal-contact strong {color:#fff;}
.legal-contact a {color:var(--accent);text-decoration:none;}
.legal-contact a:hover {text-decoration:underline;}
.legal-block {padding:20px 18px;}