/* 统一颜色、间距和宽度变量，后续换品牌视觉时只改这里即可。 */
:root { --ink:#142126; --muted:#5f6c70; --paper:#f7f9f7; --white:#fff; --teal:#1b7f78; --teal-dark:#105d58; --coral:#e76f51; --line:#dce4e1; --max:1180px; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:var(--paper); font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif; letter-spacing:0; }
button,input { font:inherit; }
a { color:inherit; text-decoration:none; }
.topbar { position:sticky; top:0; z-index:20; height:68px; padding:0 max(24px,calc((100vw - var(--max))/2)); display:flex; align-items:center; gap:40px; background:rgba(255,255,255,.94); border-bottom:1px solid var(--line); backdrop-filter:blur(12px); }
.brand { display:flex; align-items:center; gap:10px; font-weight:700; white-space:nowrap; }
.brand img { width:34px; height:34px; object-fit:cover; border-radius:7px; }
.nav { display:flex; gap:28px; margin-left:auto; font-size:14px; color:var(--muted); }
.nav a:hover { color:var(--ink); }
.language-button { width:44px; height:36px; border:1px solid var(--line); background:var(--white); border-radius:6px; cursor:pointer; }
.hero { min-height:calc(100vh - 68px); max-height:780px; width:min(var(--max),calc(100% - 48px)); margin:auto; display:grid; grid-template-columns:1.15fr .85fr; align-items:center; gap:80px; }
.hero-copy h1 { max-width:650px; margin:22px 0 20px; font-size:clamp(46px,6vw,76px); line-height:1.06; letter-spacing:0; }
.hero-copy p { max-width:650px; margin:0 0 32px; color:var(--muted); font-size:18px; line-height:1.8; }
.status-chip { display:inline-flex; padding:8px 12px; border-left:3px solid var(--coral); background:#fff1ed; color:#93412d; font-size:13px; font-weight:700; }
.primary-button { display:inline-flex; min-height:46px; align-items:center; justify-content:center; padding:0 22px; background:var(--ink); color:var(--white); border-radius:6px; font-weight:700; }
.hero-visual { min-height:420px; padding:42px; display:flex; flex-direction:column; justify-content:center; color:var(--white); background:var(--teal-dark); border-radius:8px; box-shadow:24px 24px 0 #d8ebe7; }
.hero-visual .price-label { opacity:.72; font-size:14px; }
.hero-visual>strong { margin:6px 0 32px; font-size:58px; line-height:1; }
.split-line { padding:15px 0; display:flex; justify-content:space-between; border-top:1px solid rgba(255,255,255,.22); }
.split-line b { color:#ffd7a6; }
.policy-band,.qualification-band { padding:92px max(24px,calc((100vw - var(--max))/2)); background:var(--white); }
.section-heading { max-width:680px; margin-bottom:38px; }
.eyebrow { color:var(--teal); font-size:12px; font-weight:800; }
.section-heading h2,.compliance-copy h2 { margin:10px 0 12px; font-size:34px; letter-spacing:0; }
.section-heading p,.compliance-copy p { color:var(--muted); line-height:1.75; }
.policy-grid { display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.policy-item { min-height:235px; padding:30px 26px; border-right:1px solid var(--line); }
.policy-item:last-child { border-right:0; }
.policy-item>strong { display:block; margin-bottom:34px; color:var(--coral); font-size:34px; }
.policy-item h3,.qualification-item h3,.result-header h3 { margin:0 0 10px; font-size:18px; }
.policy-item p,.qualification-item p { margin:0; color:var(--muted); font-size:14px; line-height:1.75; }
.calculator-section { padding:92px max(24px,calc((100vw - var(--max))/2)); background:#edf3f0; }
.calculator-layout { display:grid; grid-template-columns:360px 1fr; gap:28px; align-items:start; }
.control-panel,.result-panel { background:var(--white); border:1px solid var(--line); border-radius:8px; }
.control-panel { padding:28px; }
.control-panel label { display:block; margin:0 0 10px; font-size:13px; font-weight:700; }
.money-input { display:flex; align-items:center; height:50px; margin-bottom:28px; border:1px solid #bdcbc7; border-radius:6px; overflow:hidden; }
.money-input span { padding-left:14px; color:var(--muted); }
.money-input input { width:100%; height:100%; padding:0 14px; border:0; outline:0; font-size:20px; font-weight:700; }
.range-row { display:grid; grid-template-columns:1fr 46px; gap:14px; align-items:center; }
.range-row input { accent-color:var(--teal); }
.range-row output { display:grid; place-items:center; height:40px; background:#edf3f0; border-radius:6px; font-weight:700; }
.total-result { margin:28px -28px -28px; padding:22px 28px; background:var(--ink); color:var(--white); border-radius:0 0 7px 7px; }
.total-result span { display:block; margin-bottom:8px; font-size:12px; opacity:.7; }
.total-result strong { font-size:26px; }
.result-panel { padding:28px; }
.result-header { display:flex; justify-content:space-between; gap:20px; padding-bottom:18px; border-bottom:1px solid var(--line); }
.result-header span { color:var(--muted); font-size:12px; }
.commission-row { min-height:58px; display:grid; grid-template-columns:32px 1fr auto; gap:12px; align-items:center; border-bottom:1px solid #edf1ef; }
.commission-row:last-child { border:0; }
.generation-dot { width:26px; height:26px; display:grid; place-items:center; background:#d9ebe7; color:var(--teal-dark); border-radius:50%; font-size:12px; font-weight:800; }
.commission-row strong { font-variant-numeric:tabular-nums; }
.qualification-list { border-top:1px solid var(--line); }
.qualification-item { min-height:112px; padding:24px 0; display:grid; grid-template-columns:150px 1fr; align-items:start; border-bottom:1px solid var(--line); }
.qualification-item>span { color:var(--teal); font-size:24px; font-weight:800; }
.compliance-section { padding:82px max(24px,calc((100vw - var(--max))/2)); display:grid; grid-template-columns:.9fr 1.1fr; gap:80px; color:var(--white); background:#25343a; }
.compliance-copy p { color:#bdc8cb; }
.compliance-list { margin:0; padding:0; list-style:none; }
.compliance-list li { min-height:64px; display:grid; grid-template-columns:30px 1fr; align-items:center; border-bottom:1px solid rgba(255,255,255,.14); line-height:1.5; }
.compliance-list span { color:#7ed1c5; font-weight:800; }
footer { min-height:88px; padding:0 max(24px,calc((100vw - var(--max))/2)); display:flex; align-items:center; justify-content:space-between; gap:20px; color:#637176; font-size:13px; background:#172329; }
@media (max-width:820px) {
  .nav { display:none; }
  .topbar { padding:0 18px; }
  .language-button { margin-left:auto; }
  .hero { min-height:auto; max-height:none; width:calc(100% - 36px); padding:68px 0 80px; grid-template-columns:1fr; gap:48px; }
  .hero-copy h1 { font-size:46px; }
  .hero-visual { min-height:360px; padding:30px; box-shadow:12px 12px 0 #d8ebe7; }
  .hero-visual>strong { font-size:48px; }
  .policy-band,.calculator-section,.qualification-band { padding:68px 18px; }
  .policy-grid { grid-template-columns:1fr 1fr; }
  .policy-item:nth-child(2) { border-right:0; }
  .policy-item:nth-child(-n+2) { border-bottom:1px solid var(--line); }
  .calculator-layout,.compliance-section { grid-template-columns:1fr; }
  .compliance-section { gap:34px; padding:68px 18px; }
  footer { padding:24px 18px; align-items:flex-start; flex-direction:column; }
}
@media (max-width:520px) {
  .policy-grid { grid-template-columns:1fr; }
  .policy-item { min-height:auto; border-right:0; border-bottom:1px solid var(--line); }
  .qualification-item { grid-template-columns:1fr; gap:10px; }
  .result-panel { padding:20px; }
  .commission-row { grid-template-columns:32px minmax(0,1fr); }
  .commission-row strong { grid-column:2; padding-bottom:14px; }
}