:root{
  --bg:#f6f2e9; --bg2:#efe8d9; --card:#ffffff; --ink:#23252e; --ink2:#4a4e5a;
  --muted:#7a7e8a; --red:#e0202c; --red-deep:#b3121e; --red-soft:#fdecec;
  --gold:#f2b52a; --line:#e6ded0; --shadow:0 10px 30px rgba(35,37,46,.08); --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.75}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style-position:inside}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
/* ===== topbar ===== */
.topbar{background:#191b22;color:#c9cdd6;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;min-height:38px;flex-wrap:wrap;gap:4px 12px;padding-top:4px;padding-bottom:4px}
.topbar a{color:#fff}
.topbar .tg{color:var(--gold);font-weight:700}
.topbar .cities b{color:#fff;margin-right:6px}
.topbar .cities span{margin:0 3px;color:#c9cdd6}
/* ===== header ===== */
.header{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:99;box-shadow:0 4px 18px rgba(35,37,46,.05)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:74px;gap:16px}
.logo{display:flex;align-items:center;gap:10px}
.logo-badge{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--red),var(--red-deep));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:22px;flex:none}
.logo-name{font-family:"Songti SC","Noto Serif SC","STSong",SimSun,serif}
.logo-name b{font-size:22px;letter-spacing:1px;display:block;line-height:1.2}
.logo-name small{font-size:11px;color:var(--muted);letter-spacing:3px;font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}
.nav{display:flex;gap:2px}
.nav a{padding:8px 11px;border-radius:8px;font-size:14.5px;color:var(--ink2);font-weight:500;white-space:nowrap}
.nav a:hover{background:var(--red-soft);color:var(--red)}
.nav a.active{color:var(--red);font-weight:700}
.header-cta{flex:none}
/* ===== buttons ===== */
.btn{display:inline-block;padding:12px 28px;border-radius:999px;font-weight:700;font-size:16px;cursor:pointer;border:none;transition:.2s;text-align:center}
.btn-primary{background:linear-gradient(135deg,var(--red),var(--red-deep));color:#fff;box-shadow:0 8px 20px rgba(224,32,44,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(224,32,44,.45)}
.btn-gold{background:linear-gradient(135deg,#f6c553,var(--gold));color:#5a3b00;box-shadow:0 8px 20px rgba(242,181,42,.35)}
.btn-gold:hover{transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.7)}
.btn-ghost:hover{background:rgba(255,255,255,.26)}
.btn-sm{padding:9px 18px;font-size:14px}
/* ===== hero ===== */
.hero{background:linear-gradient(120deg,#a30f1a 0%,#e0202c 55%,#f04a52 100%);color:#fff;overflow:hidden}
.hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;padding:64px 20px;align-items:center}
.hero .tagline{display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);padding:5px 16px;border-radius:999px;font-size:13px;letter-spacing:2px;margin-bottom:18px}
.hero h1{font-size:42px;line-height:1.32;font-family:"Songti SC","Noto Serif SC","STSong",SimSun,serif;margin-bottom:16px}
.hero h1 em{font-style:normal;color:#ffd98a}
.hero .lead{font-size:16.5px;opacity:.94;max-width:560px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-note{margin-top:18px;font-size:13px;opacity:.85}
.hero-fig{position:relative}
.hero-fig img{border-radius:20px;border:6px solid rgba(255,255,255,.92);box-shadow:0 26px 60px rgba(0,0,0,.35);width:100%}
.badge-float{position:absolute;background:#fff;color:var(--red-deep);border-radius:12px;padding:10px 16px;font-weight:700;box-shadow:0 10px 24px rgba(0,0,0,.25);font-size:14px}
.badge-float.tl{top:-14px;left:-10px}
.badge-float.br{bottom:-14px;right:-8px;color:#7a5a00;background:linear-gradient(135deg,#f6c553,var(--gold))}
/* ===== stats ===== */
.stats{background:var(--card);border-bottom:1px solid var(--line)}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{text-align:center;padding:26px 10px}
.stat b{font-size:32px;color:var(--red);display:block;font-family:"Songti SC","Noto Serif SC",serif}
.stat span{color:var(--muted);font-size:13.5px}
/* ===== sections ===== */
.section{padding:66px 0}
.section.alt{background:var(--bg2)}
.section .title{font-size:30px;text-align:center;font-family:"Songti SC","Noto Serif SC","STSong",SimSun,serif;margin-bottom:8px}
.section .title em{font-style:normal;color:var(--red)}
.section .title-sub{text-align:center;color:var(--muted);margin-bottom:38px;font-size:15px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ico{width:50px;height:50px;border-radius:13px;background:var(--red-soft);color:var(--red);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:14px;font-weight:800}
.card h3{font-size:17.5px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14.5px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split .fig img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%}
.ticks{list-style:none}
.ticks li{list-style:none;padding-left:30px;position:relative;margin-bottom:11px;font-size:15px}
.ticks li::before{content:"✓";position:absolute;left:0;color:var(--red);font-weight:800;font-size:18px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:8px 20px;font-size:14px;font-weight:600}
.chip.hot{background:var(--red-soft);border-color:var(--red);color:var(--red-deep)}
/* ===== agent band ===== */
.agent-band{background:linear-gradient(120deg,#a30f1a,#e0202c);color:#fff;border-radius:24px;padding:46px 42px;display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center}
.agent-band h3{font-size:26px;font-family:"Songti SC","Noto Serif SC",serif;margin-bottom:10px}
.agent-band p{opacity:.93;font-size:15px}
.agent-band .cities{margin-top:16px}
.agent-band .cities .chip{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.35);color:#fff}
.agent-band .btn{margin-top:18px}
/* ===== testimonials ===== */
.quote-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative}
.quote-card .q{font-size:15px;color:var(--ink2);margin-bottom:14px}
.quote-card .who{font-size:13.5px;color:var(--muted)}
.quote-card .who b{color:var(--red)}
.quote-card::before{content:"“";position:absolute;top:6px;right:18px;font-size:56px;color:var(--red-soft);font-family:Georgia,serif}
/* ===== faq ===== */
.faq{max-width:860px;margin:0 auto}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 22px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:600;font-size:15.5px;color:var(--ink)}
.faq summary::marker{color:var(--red)}
.faq details p{margin-top:10px;color:var(--muted);font-size:14.5px}
/* ===== CTA band ===== */
.cta-band{background:linear-gradient(120deg,var(--red-deep),var(--red));color:#fff;border-radius:24px;padding:48px 36px;text-align:center}
.cta-band h3{font-size:28px;font-family:"Songti SC","Noto Serif SC",serif;margin-bottom:10px}
.cta-band p{opacity:.92;margin-bottom:24px}
.cta-band .btn{margin:0 7px}
/* ===== footer ===== */
.footer{background:#191b22;color:#b9bdc8;padding:50px 0 22px;font-size:14px}
.footer .cols{display:grid;grid-template-columns:1.2fr 1fr 1.3fr;gap:34px}
.footer h4{color:#fff;margin-bottom:14px;font-size:15.5px}
.footer a{color:#e8eaef}
.footer a:hover{color:var(--gold)}
.footer .logo-name b{color:#fff}
.footer .sitemap{display:flex;flex-wrap:wrap;gap:8px 16px}
.footer .sitemap a{font-size:13.5px}
.footer .copy{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;text-align:center;font-size:12.5px;color:#8a8f9c}
/* ===== inner page ===== */
.breadcrumb{background:var(--card);border-bottom:1px solid var(--line);font-size:13px;padding:10px 0;color:var(--muted)}
.breadcrumb a{color:var(--red)}
.breadcrumb a:hover{text-decoration:underline}
.page-head{background:linear-gradient(120deg,var(--red-deep),var(--red));color:#fff;padding:34px 0}
.page-head h1{font-size:30px;font-family:"Songti SC","Noto Serif SC","STSong",SimSun,serif}
.page-head p{margin-top:8px;opacity:.92;max-width:820px;font-size:15px}
.inner-main{display:grid;grid-template-columns:1fr 320px;gap:28px;padding:34px 0 66px;align-items:start}
.content-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:32px;margin-bottom:24px}
.content-card h2{font-size:22px;font-family:"Songti SC","Noto Serif SC","STSong",SimSun,serif;margin-bottom:14px;padding-left:14px;border-left:4px solid var(--red)}
.content-card h3{font-size:17px;margin:18px 0 8px;color:var(--ink2)}
.content-card p{color:var(--ink2);margin-bottom:12px;font-size:15px}
.content-card ul{color:var(--ink2);font-size:15px;margin-bottom:12px}
.aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.aside-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.aside-card h4{color:var(--red-deep);font-size:15.5px;margin-bottom:12px;padding-bottom:10px;border-bottom:2px solid var(--red-soft)}
.aside-card .btn{width:100%;margin-top:8px;display:block}
.kv{list-style:none}
.kv li{list-style:none;display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px}
.kv li span{color:var(--muted)}
.aside-nav a{display:block;padding:8px 10px;border-radius:8px;font-size:14px;color:var(--ink2)}
.aside-nav a:hover{background:var(--red-soft);color:var(--red)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 18px;text-align:center}
.step b{display:block;width:42px;height:42px;line-height:42px;border-radius:50%;background:linear-gradient(135deg,var(--red),var(--red-deep));color:#fff;margin:0 auto 12px;font-size:18px}
.step h4{font-size:15.5px;margin-bottom:6px}
.step p{color:var(--muted);font-size:13.5px}
.rel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.rel-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:14.5px}
.rel-card:hover{border-color:var(--red);color:var(--red);transform:translateX(3px);transition:.2s}
.rel-card small{color:var(--muted);font-weight:400}
/* ===== responsive ===== */
@media(max-width:1024px){
  .nav{display:none}
  .grid4{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:34px}
}
@media(max-width:820px){
  .hero .container,.split,.agent-band,.inner-main,.footer .cols{grid-template-columns:1fr}
  .grid3,.grid2{grid-template-columns:1fr}
  .stats .container{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .aside{position:static}
  .rel-grid{grid-template-columns:1fr}
  .hero-btns .btn{width:100%}
}