/* 主题3 商务金色 */
:root{--c:#b8860b;--c2:#0a0a0a;--a:#daa520;--s:#fff8e7;--txt:#1a1a1a;--muted:#666}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--txt);line-height:1.7;background:#fff;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.nav{position:fixed;top:0;left:0;right:0;z-index:999;background:rgba(255,255,255,.96);border-bottom:1px solid rgba(184,134,11,.2)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{font-size:22px;font-weight:900;color:var(--c2);letter-spacing:1px;display:flex;align-items:center;gap:6px}
.logo::before{content:"";width:32px;height:32px;background:linear-gradient(135deg,var(--c),var(--a));border-radius:6px}
.nav-menu{display:flex;gap:36px}
.nav-menu a{font-size:15px;font-weight:500;color:#222;transition:color .2s}
.nav-menu a:hover{color:var(--c)}
.nav-cta{padding:11px 26px;background:var(--c2);color:var(--a)!important;border-radius:6px;font-weight:600;font-size:14px;letter-spacing:1px}
.hero{position:relative;min-height:740px;background:linear-gradient(135deg,#0a0a0a 0%,#2c1810 40%,#5c4014 100%);color:#fff;padding-top:76px;display:flex;align-items:center;overflow:hidden}
.hero::after{content:"";position:absolute;top:0;right:0;width:60%;height:100%;background:radial-gradient(circle at 70% 30%,rgba(218,165,32,.25),transparent 60%)}
.hero-inner{position:relative;z-index:2;max-width:1280px;margin:0 auto;padding:80px 24px;display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:center}
.hero h1{font-size:56px;font-weight:900;line-height:1.2;margin-bottom:24px;letter-spacing:-1px}
.hero h1 .hl{background:linear-gradient(135deg,var(--a),#ffe57a);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:18px;opacity:.85;margin-bottom:40px;max-width:540px;line-height:1.8}
.hero-stats{display:flex;gap:40px;margin-bottom:40px;padding:24px 0;border-top:1px solid rgba(218,165,32,.3);border-bottom:1px solid rgba(218,165,32,.3)}
.hero-stats .s .n{font-size:34px;font-weight:900;color:var(--a)}
.hero-stats .s .l{font-size:13px;opacity:.7;margin-top:4px}
.hero-cta{display:inline-flex;align-items:center;gap:10px;padding:18px 38px;background:linear-gradient(135deg,var(--a),#ffe57a);color:var(--c2);border-radius:6px;font-weight:700;font-size:16px;letter-spacing:1px;box-shadow:0 16px 40px rgba(218,165,32,.4);transition:all .3s}
.hero-cta:hover{transform:translateY(-3px);box-shadow:0 20px 50px rgba(218,165,32,.5)}
.hero-visual{position:relative;height:480px;border:1px solid rgba(218,165,32,.3);background:linear-gradient(135deg,rgba(218,165,32,.05),rgba(0,0,0,.3));border-radius:8px;padding:32px;overflow:hidden}
.hero-visual::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--a),transparent);animation:scan 3s linear infinite}
@keyframes scan{from{transform:translateX(-100%)}to{transform:translateX(100%)}}
.v-row{display:flex;align-items:center;gap:14px;padding:18px 0;border-bottom:1px solid rgba(218,165,32,.15);font-size:14px}
.v-row:last-child{border:0}
.v-row .ind{width:8px;height:8px;background:var(--a);border-radius:50%;box-shadow:0 0 8px var(--a)}
section{padding:96px 0}
.section-head{text-align:center;max-width:780px;margin:0 auto 64px}
.section-eyebrow{color:var(--c);font-size:14px;letter-spacing:4px;font-weight:700;margin-bottom:16px;display:block}
.section-head h2{font-size:42px;font-weight:900;line-height:1.3;margin-bottom:16px;letter-spacing:-1px}
.section-head p{font-size:17px;color:var(--muted);line-height:1.8}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:#fff;border:1px solid #ece5d4;border-radius:8px;padding:36px 30px;transition:all .3s;position:relative}
.card:hover{transform:translateY(-4px);box-shadow:0 24px 50px rgba(184,134,11,.15);border-color:var(--a)}
.card .ic{width:48px;height:48px;background:var(--s);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--c);margin-bottom:20px}
.card h3{font-size:20px;font-weight:700;margin-bottom:12px;letter-spacing:.5px}
.card p{color:var(--muted);font-size:14px;line-height:1.8}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.proc-step{background:#fff;padding:32px 24px;border-radius:8px;border:1px solid #ece5d4;text-align:center;position:relative;overflow:hidden}
.proc-step::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--c),var(--a))}
.proc-step .n{font-size:48px;font-weight:900;color:var(--c);font-family:"Noto Serif SC",serif;margin-bottom:12px}
.proc-step h4{font-size:18px;margin-bottom:8px}
.proc-step p{font-size:14px;color:var(--muted)}
.faq-item{background:#fff;border:1px solid #ece5d4;border-radius:8px;padding:24px 28px;margin-bottom:12px;cursor:pointer}
.faq-q{display:flex;justify-content:space-between;font-weight:600;font-size:16px}
.faq-q::after{content:"+";color:var(--c);font-size:24px}
.faq-item.open .faq-q::after{content:"-"}
.faq-a{margin-top:14px;color:var(--muted);font-size:14px;line-height:1.9;display:none}
.faq-item.open .faq-a{display:block}
.cta-bg{background:linear-gradient(135deg,#0a0a0a,#2c1810);color:#fff;border-radius:8px;padding:80px 64px;position:relative;overflow:hidden;border:1px solid var(--a)}
.cta-bg::before{content:"";position:absolute;top:-100px;right:-100px;width:400px;height:400px;background:radial-gradient(circle,var(--a),transparent 70%);opacity:.2}
.cta-form{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px;max-width:600px;position:relative;z-index:2}
.cta-form input{padding:16px 20px;background:rgba(255,255,255,.05);border:1px solid rgba(218,165,32,.3);color:#fff;font-size:15px;font-family:inherit;border-radius:6px}
.cta-form input::placeholder{color:rgba(255,255,255,.5)}
.cta-form button{grid-column:1/-1;padding:18px;background:linear-gradient(135deg,var(--a),#ffe57a);color:var(--c2);border:0;font-size:16px;font-weight:700;letter-spacing:2px;cursor:pointer;font-family:inherit}
footer{background:#0a0a0a;color:#c8a878;padding:60px 0 30px;margin-top:80px;border-top:3px solid var(--a)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.foot-col h5{color:var(--a);font-size:15px;margin-bottom:20px;letter-spacing:3px;font-weight:700}
.foot-col a{display:block;font-size:14px;padding:6px 0;transition:color .2s}
.foot-col a:hover{color:#ffe57a}
.foot-city{display:grid;grid-template-columns:repeat(5,1fr);gap:8px 12px;margin-top:24px}
.foot-city a{font-size:13px;padding:6px 0;color:#8b7a5a}
.foot-city a:hover{color:var(--a)}
.foot-bot{border-top:1px solid rgba(218,165,32,.2);padding-top:24px;display:flex;justify-content:space-between;font-size:13px;color:#7a6a4a}
@media (max-width:980px){
  .nav-menu{display:none}
  .hero-inner,.grid-3,.grid-4,.foot-grid,.process{grid-template-columns:1fr;gap:32px}
  .hero h1{font-size:36px}
  .section-head h2{font-size:30px}
  .hero-visual{height:300px}
  .cta-bg{padding:48px 24px}
  .foot-city{grid-template-columns:repeat(3,1fr)}
}