:root{
  --brand:#4f46e5;
  --accent:#7c3aed;
  --bg:#f5f3ff;
  --ink:#1e1b4b;
  --line:#1e1b4b;
  --shadow:8px 8px 0 var(--ink);
  --card-bg:#ffffff;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:14px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.serif{
  font-family:"Source Han Serif SC","Noto Serif SC","Songti SC","SimSun",serif;
  font-weight:800;
  letter-spacing:.5px;
}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--accent);text-decoration:underline;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}

/* ---------- navbar ---------- */
.navbar-banana{
  position:sticky;top:0;z-index:1030;
  background:#ffffff;
  border-bottom:3px solid var(--ink);
  box-shadow:0 4px 0 rgba(79,70,229,.18);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding:10px 0;
}
.brand-mark{
  font-family:"Source Han Serif SC","Noto Serif SC",serif;
  font-weight:900;font-size:21px;color:var(--ink);
  display:flex;align-items:center;gap:8px;
  letter-spacing:1px;
}
.brand-mark i{color:var(--accent);font-size:19px;}
.brand-mark:hover{text-decoration:none;color:var(--brand);}
.nav-links{
  display:flex;align-items:center;gap:4px;flex-wrap:wrap;
}
.nav-links a{
  display:inline-block;
  padding:6px 11px;
  font-size:13px;font-weight:600;
  color:var(--ink);
  border:2px solid transparent;
  background:transparent;
}
.nav-links a:hover{
  text-decoration:none;
  border-color:var(--ink);
  background:var(--brand);
  color:#fff;
}
.nav-toggle{
  display:none;
  border:2px solid var(--ink);
  background:#fff;
  padding:4px 10px;
  font-size:16px;color:var(--ink);
  cursor:pointer;
}
@media(max-width:860px){
  .nav-toggle{display:inline-block;}
  .nav-links{
    display:none;width:100%;flex-direction:column;align-items:stretch;
    border-top:3px solid var(--ink);margin-top:8px;padding-top:6px;
  }
  .nav-links.open{display:flex;}
  .nav-links a{border:2px solid var(--ink);margin-bottom:4px;}
}

/* ---------- hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,#ffffff 0%,var(--bg) 55%,#ede9fe 100%);
  border-bottom:4px solid var(--ink);
  padding:64px 0 56px;
}
.hero-bgfx{
  position:absolute;inset:0;z-index:0;pointer-events:none;
}
.hero-bgfx span{
  position:absolute;display:block;
  border:3px solid var(--brand);
  opacity:.28;
}
.hero-bgfx span:nth-child(1){width:120px;height:120px;top:8%;left:4%;background:rgba(79,70,229,.10);}
.hero-bgfx span:nth-child(2){width:70px;height:70px;top:52%;left:22%;background:rgba(124,58,237,.14);border-color:var(--accent);}
.hero-bgfx span:nth-child(3){width:160px;height:160px;top:14%;right:6%;background:rgba(124,58,237,.10);border-color:var(--accent);}
.hero-bgfx span:nth-child(4){width:56px;height:56px;bottom:10%;right:26%;background:rgba(79,70,229,.16);}
.hero-bgfx span:nth-child(5){width:96px;height:96px;bottom:6%;left:44%;background:rgba(79,70,229,.08);}
.hero-inner{position:relative;z-index:1;}
.hero-tagline{
  display:inline-block;
  border:3px solid var(--ink);
  background:#fff;
  padding:4px 12px;
  font-size:12px;font-weight:700;letter-spacing:2px;
  box-shadow:4px 4px 0 var(--ink);
  margin-bottom:18px;
}
.hero h1{
  font-size:clamp(30px,6.2vw,58px);
  line-height:1.12;
  margin:0 0 14px;
  background:linear-gradient(92deg,var(--brand) 0%,var(--accent) 52%,var(--brand) 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero p.lead-line{
  font-size:15px;max-width:720px;margin:0 0 22px;color:#312e81;
}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;
}
.hero-stats div{
  border:3px solid var(--ink);
  background:#fff;
  padding:8px 14px;
  box-shadow:5px 5px 0 var(--brand);
  min-width:112px;
}
.hero-stats b{display:block;font-size:20px;font-family:"Source Han Serif SC",serif;color:var(--brand);line-height:1.2;}
.hero-stats small{font-size:11px;letter-spacing:1px;color:var(--ink);}
.btn-hard{
  display:inline-block;
  border:3px solid var(--ink);
  background:var(--brand);
  color:#fff;
  font-weight:700;font-size:14px;
  padding:10px 22px;
  box-shadow:6px 6px 0 var(--ink);
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease;
}
.btn-hard:hover{
  background:var(--accent);color:#fff;text-decoration:none;
  transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--ink);
}
.btn-hard.ghost{background:#fff;color:var(--ink);}
.btn-hard.ghost:hover{background:var(--accent);color:#fff;}

/* ---------- sections ---------- */
.sec{padding:52px 0;border-bottom:4px solid var(--ink);}
.sec-head{margin-bottom:26px;}
.sec-head h2{
  font-size:clamp(20px,3.6vw,30px);
  margin:0 0 8px;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.sec-head h2 i{color:var(--accent);font-size:.8em;}
.sec-head .sub{font-size:13px;color:#4338ca;max-width:760px;margin:0;}
.kicker{
  display:inline-block;font-size:11px;font-weight:800;letter-spacing:2px;
  border:2px solid var(--ink);background:var(--accent);color:#fff;
  padding:2px 9px;margin-bottom:10px;
}

/* ---------- compare table ---------- */
.table-shell{
  border:3px solid var(--ink);
  box-shadow:var(--shadow);
  background:#fff;
  overflow-x:auto;
}
table.cmp{
  width:100%;min-width:660px;border-collapse:collapse;font-size:13px;
}
table.cmp th,table.cmp td{
  border:2px solid var(--ink);
  padding:9px 11px;text-align:left;vertical-align:top;
}
table.cmp thead th{
  background:var(--brand);color:#fff;
  font-family:"Source Han Serif SC",serif;font-size:14px;letter-spacing:.5px;
}
table.cmp tbody tr:nth-child(even){background:#f3f1ff;}
table.cmp td.yes{color:#4f46e5;font-weight:700;}
table.cmp td.no{color:#6b7280;}
table.cmp tbody tr:hover{background:#ede9fe;}

/* ---------- numbered list ---------- */
ol.steps{
  list-style:none;counter-reset:s;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:14px;
}
ol.steps li{
  counter-increment:s;
  position:relative;
  border:3px solid var(--ink);
  background:#fff;
  padding:16px 16px 16px 58px;
  box-shadow:6px 6px 0 var(--brand);
  font-size:13px;
}
ol.steps li::before{
  content:counter(s,decimal-leading-zero);
  position:absolute;left:0;top:0;
  width:42px;height:100%;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:"Source Han Serif SC",serif;font-weight:800;font-size:16px;
  border-right:3px solid var(--ink);
}
ol.steps li b{display:block;font-size:15px;margin-bottom:4px;font-family:"Source Han Serif SC",serif;}

/* ---------- FAQ ---------- */
.faq-item{
  border:3px solid var(--ink);
  background:#fff;
  margin-bottom:12px;
  box-shadow:6px 6px 0 rgba(79,70,229,.35);
}
.faq-q{
  width:100%;text-align:left;
  background:#fff;border:0;
  padding:14px 16px;
  font-size:15px;font-weight:800;
  font-family:"Source Han Serif SC",serif;
  color:var(--ink);
  cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.faq-q:hover{background:var(--bg);}
.faq-q .ic{color:var(--accent);transition:transform .2s ease;font-size:14px;}
.faq-item.open .faq-q .ic{transform:rotate(180deg);}
.faq-a{display:none;padding:0 16px 16px;font-size:13px;color:#312e81;border-top:2px dashed #c7c3f5;}
.faq-item.open .faq-a{display:block;}

/* ---------- poster grid ---------- */
.poster-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:12px;
  width:100%;
}
@media(max-width:1100px){.poster-grid{grid-template-columns:repeat(4,1fr);}}
@media(max-width:720px){.poster-grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:480px){.poster-grid{grid-template-columns:repeat(2,1fr);}}
.poster-card{
  border:3px solid var(--ink);
  background:var(--card-bg);
  box-shadow:5px 5px 0 rgba(30,27,75,.85);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  opacity:0;transform:translateY(22px);
  overflow:hidden;
}
.poster-card.in{opacity:1;transform:translateY(0);}
.poster-card:hover{
  transform:scale(1.035);
  border-color:var(--accent);
  box-shadow:5px 5px 0 var(--accent);
}
.poster-card .thumb{
  width:100%;aspect-ratio:2/3;
  object-fit:cover;display:block;
  background:#ddd6fe;
  border-bottom:3px solid var(--ink);
}
.poster-card .meta{padding:7px 8px 9px;}
.poster-card .meta h3{
  font-size:12.5px;margin:0 0 3px;line-height:1.35;
  font-family:"Source Han Serif SC",serif;
}
.poster-card .meta span{
  display:inline-block;font-size:10.5px;
  border:2px solid var(--ink);padding:0 5px;
  background:var(--bg);color:var(--accent);font-weight:700;
}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--brand),var(--accent));
  color:#fff;border-top:4px solid var(--ink);border-bottom:4px solid var(--ink);
  padding:48px 0;
}
.cta-band h2{font-size:clamp(20px,3.6vw,30px);margin:0 0 10px;color:#fff;}
.cta-band p{font-size:14px;max-width:680px;margin:0 0 20px;color:#ede9fe;}
.cta-band .btn-hard{background:#fff;color:var(--ink);box-shadow:6px 6px 0 #1e1b4b;}
.cta-band .btn-hard:hover{background:var(--ink);color:#fff;}

/* ---------- footer ---------- */
footer.site-foot{
  background:#1e1b4b;color:#c7c3f5;padding:40px 0 22px;font-size:13px;
}
footer.site-foot h4{
  color:#fff;font-size:14px;margin:0 0 10px;letter-spacing:1px;
}
footer.site-foot a{color:#c7c3f5;}
footer.site-foot a:hover{color:#fff;}
.foot-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:22px;margin-bottom:24px;
}
.foot-links{list-style:none;margin:0;padding:0;}
.foot-links li{margin-bottom:6px;}
.friend-box{
  border:3px solid #c7c3f5;padding:12px 14px;background:rgba(255,255,255,.04);
}
.copyright{
  border-top:2px solid rgba(199,195,245,.35);padding-top:16px;
  font-size:12px;color:#a5a0e0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
}

/* --- 子页面追加 --- */
.guide-list { list-style: none; padding: 0; margin: 0; }
.guide-list li { position: relative; padding: 12px 0 12px 34px; line-height: 1.75; border-bottom: 1px dashed rgba(30,27,75,.18); }
.guide-list li:last-child { border-bottom: none; }
.guide-list li::before { content: "\f0da"; font-family: "Font Awesome 6 Free"; font-weight: 900; color: var(--brand); position: absolute; left: 8px; top: 12px; }
.step-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin-top: 22px; }
.step-card { background: var(--card-bg); border: 2px solid var(--line); box-shadow: 6px 6px 0 var(--ink); padding: 20px 18px; border-radius: 4px; }
.step-card .num { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; background: var(--brand); color: #fff; font-weight: 900; border: 2px solid var(--line); border-radius: 50%; margin-bottom: 12px; }
.step-card h3 { font-size: 1.05rem; font-weight: 800; color: var(--ink); margin: 0 0 8px; }
.step-card p { margin: 0; font-size: .94rem; line-height: 1.8; color: #38336a; }
.tip-band { background: var(--ink); color: #fff; border-radius: 4px; padding: 22px 24px; margin-top: 26px; }
.tip-band strong { color: #c7c2ff; }
.mini-table { width: 100%; border-collapse: collapse; margin-top: 18px; }
.mini-table th, .mini-table td { border: 2px solid var(--line); padding: 12px 14px; text-align: left; font-size: .94rem; }
.mini-table th { background: var(--brand); color: #fff; font-weight: 800; }
.mini-table td { background: var(--card-bg); color: #38336a; }
.mini-table tr:nth-child(even) td { background: #f1eefe; }
.mini-table th, .mini-table td { padding: 9px 10px; font-size: .86rem; }

/* --- 子页面追加 --- */
/* 本页专属少量样式:排行卡片与榜单条 */
  .rank-tabs {display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 6px;}
.rank-tabs a {
    display:inline-flex;align-items:center;gap:8px;
    padding:9px 18px;border:2px solid var(--line);border-radius:999px;
    background:var(--card-bg);color:var(--ink);font-weight:700;font-size:14px;
    text-decoration:none;box-shadow:3px 3px 0 var(--ink);transition:.18s;
  }
.rank-tabs a:hover {transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--ink);}
.rank-list {display:grid;gap:16px;margin-top:26px;}
.rank-row {
    display:grid;grid-template-columns:64px 1fr auto;gap:18px;align-items:center;
    background:var(--card-bg);border:2px solid var(--line);border-radius:16px;
    padding:16px 20px;box-shadow:var(--shadow);transition:.18s;
  }
.rank-row:hover {transform:translate(-3px,-3px);box-shadow:11px 11px 0 var(--ink);}
.rank-no {
    width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
    font-weight:900;font-size:20px;color:#fff;background:var(--brand);border:2px solid var(--line);
    font-family:Inter,sans-serif;
  }
.rank-no.top1 {background:#f59e0b;}
.rank-no.top2 {background:#8b5cf6;}
.rank-no.top3 {background:#0ea5e9;}
.rank-main h3 {margin:0 0 6px;font-size:17px;font-weight:800;color:var(--ink);}
.rank-main p {margin:0;font-size:13.5px;line-height:1.7;color:#4b4a75;}
.rank-meta {display:flex;flex-wrap:wrap;gap:8px;margin-top:9px;}
.rank-tag {
    font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;
    background:#ede9fe;color:var(--accent);border:1.5px solid var(--accent);
  }
.rank-score {text-align:right;min-width:104px;}
.rank-score b {display:block;font-size:22px;font-weight:900;color:var(--brand);font-family:Inter,sans-serif;}
.rank-score span {font-size:12px;color:#6b6a8f;}
.bar-wrap {height:9px;border-radius:999px;background:#e9e6fb;margin-top:8px;overflow:hidden;border:1.5px solid var(--line);}
.bar-fill {height:100%;background:linear-gradient(90deg,var(--brand),var(--accent));}
.rank-note {
    background:var(--card-bg);border:2px dashed var(--line);border-radius:16px;
    padding:18px 22px;margin-top:30px;font-size:14px;line-height:1.85;color:#3f3e69;
  }
.rank-note b {color:var(--brand);}
.rank-row {grid-template-columns:52px 1fr;gap:14px;}
.rank-score {grid-column:1/-1;text-align:left;min-width:0;display:flex;align-items:baseline;gap:10px;}
.rank-score b {display:inline;font-size:18px;}

/* --- 子页面追加 --- */
/* 本页专属的少量补充样式，配色沿用站点变量 */
  .about-lead {font-size:1.06rem;line-height:1.95;color:var(--ink);opacity:.88;max-width:820px;}
.about-lead + .about-lead {margin-top:1rem;}
.value-grid {display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2rem;}
.value-card {background:var(--card-bg);border:2px solid var(--line);box-shadow:var(--shadow);
    border-radius:14px;padding:1.6rem 1.5rem;transition:transform .18s ease,box-shadow .18s ease;}
.value-card:hover {transform:translate(-3px,-3px);box-shadow:11px 11px 0 var(--ink);}
.value-card i {font-size:1.7rem;color:var(--brand);margin-bottom:.7rem;display:block;}
.value-card h3 {font-size:1.08rem;font-weight:800;color:var(--ink);margin:0 0 .5rem;}
.value-card p {margin:0;font-size:.94rem;line-height:1.8;color:var(--ink);opacity:.78;}
.fact-row {display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:2rem;}
.fact-item {background:var(--brand);color:#fff;border:2px solid var(--line);border-radius:14px;
    box-shadow:6px 6px 0 var(--ink);padding:1.2rem 1rem;text-align:center;}
.fact-item b {display:block;font-size:1.7rem;font-weight:900;line-height:1.2;}
.fact-item span {display:block;font-size:.82rem;margin-top:.35rem;opacity:.9;}
.timeline {margin-top:2rem;border-left:3px solid var(--brand);padding-left:1.5rem;}
.timeline-item {position:relative;padding-bottom:1.6rem;}
.timeline-item:last-child {padding-bottom:0;}
.timeline-item::before {content:"";position:absolute;left:-2.05rem;top:.35rem;width:12px;height:12px;
    background:var(--accent);border:2px solid var(--line);border-radius:50%;}
.timeline-item h4 {font-size:1rem;font-weight:800;color:var(--ink);margin:0 0 .35rem;}
.timeline-item p {margin:0;font-size:.93rem;line-height:1.8;color:var(--ink);opacity:.78;}
.cat-list {display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.4rem;}
.cat-chip {background:var(--card-bg);border:2px solid var(--line);border-radius:999px;
    padding:.42rem 1rem;font-size:.88rem;font-weight:600;color:var(--ink);box-shadow:3px 3px 0 var(--ink);}
.promise-list {list-style:none;padding:0;margin:1.5rem 0 0;}
.promise-list li {background:var(--card-bg);border:2px solid var(--line);border-radius:12px;
    padding:1rem 1.2rem;margin-bottom:.85rem;font-size:.95rem;line-height:1.8;color:var(--ink);
    box-shadow:5px 5px 0 var(--ink);}
.promise-list li i {color:var(--accent);margin-right:.5rem;}
.value-grid {grid-template-columns:1fr;}
.fact-row {grid-template-columns:repeat(2,1fr);}

/* --- 子页面追加 --- */
.map-grid {display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-top:34px}
.map-grid {grid-template-columns:1fr}
.map-card {
  background:var(--card-bg);
  border:3px solid var(--line);
  box-shadow:var(--shadow);
  padding:26px 24px;
  border-radius:14px;
  transition:transform .18s ease, box-shadow .18s ease;
}
.map-card:hover {transform:translate(-3px,-3px);box-shadow:11px 11px 0 var(--ink)}
.map-card h3 {
  font-size:1.18rem;font-weight:800;margin:0 0 6px;display:flex;align-items:center;gap:10px;
}
.map-card h3 i {color:var(--accent)}
.map-card p.map-desc {font-size:.9rem;opacity:.78;margin:0 0 16px;line-height:1.7}
.map-list {list-style:none;padding:0;margin:0}
.map-list li {margin-bottom:10px;display:flex;align-items:flex-start;gap:8px;font-size:.95rem}
.map-list li i {color:var(--brand);margin-top:4px;font-size:.72rem}
.map-list a {color:var(--ink);text-decoration:none;border-bottom:2px solid transparent;transition:border-color .15s,color .15s;font-weight:600}
.map-list a:hover {color:var(--accent);border-bottom-color:var(--accent)}
.map-list span.tip {opacity:.62;font-weight:400;font-size:.85rem}
.map-note {
  margin-top:30px;background:linear-gradient(135deg,rgba(79,70,229,.10),rgba(124,58,237,.10));
  border:3px dashed var(--line);border-radius:14px;padding:22px 24px;
}
.map-note h3 {margin:0 0 10px;font-size:1.05rem;font-weight:800}
.map-note p {margin:0;font-size:.92rem;line-height:1.85;opacity:.85}
.step-row {display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px}
.step-row {grid-template-columns:1fr}
.step-item {
  background:var(--card-bg);border:3px solid var(--line);border-radius:14px;
  box-shadow:6px 6px 0 var(--ink);padding:22px 20px;
}
.step-item b {display:block;font-size:2rem;font-weight:900;color:var(--accent);line-height:1;margin-bottom:12px}
.step-item h4 {font-size:1.02rem;font-weight:800;margin:0 0 8px}
.step-item p {margin:0;font-size:.88rem;line-height:1.75;opacity:.8}