/* fi.wiseoo.cn - 换汇阁 全站样式
   主色：紫色系 #7c3aed / #6d28d9（与主站蓝色完全区分）
   百度移动 SEO 适配：viewport-fit=cover, safe-area, MobileOptimized
*/
:root{
  --ink:#0f172a; --ink-2:#334155; --muted:#64748b;
  --line:#e7ecf4; --soft:#f5f3ff; --paper:#ffffff;
  --purple:#7c3aed; --purple-2:#6d28d9; --pale-purple:#ede9fe;
  --accent:#ec4899; --accent-bg:#fdf2f8;
  --ok:#22c55e; --danger:#ef4444; --danger-bg:#fff1f2;
  --shadow:0 6px 24px rgba(124,58,237,.12),0 2px 6px rgba(124,58,237,.05);
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
html,body{background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue","Microsoft YaHei",Segoe UI,Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,select{font-family:inherit;font-size:inherit}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(10px);-webkit-backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink)}
.brand-mark{width:36px;height:36px;background:linear-gradient(135deg,var(--purple),var(--purple-2));border-radius:10px;display:grid;place-items:center;color:#fff;font-size:18px;font-weight:900;letter-spacing:-1px}
.brand small{display:block;font-size:12px;color:var(--muted);font-weight:500;letter-spacing:.02em;margin-top:1px}
.desktop-nav{display:flex;gap:28px;align-items:center;margin-left:4px}
.desktop-nav a{font-size:15px;color:var(--ink-2);font-weight:500;position:relative;padding:6px 0}
.desktop-nav a:hover,.desktop-nav a.active{color:var(--purple)}
.desktop-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-16px;height:2px;background:var(--purple);border-radius:2px}
.nav-cta{margin-left:auto;background:linear-gradient(135deg,var(--purple),var(--purple-2));color:#fff;padding:10px 20px;border-radius:10px;font-weight:600;font-size:14px;box-shadow:var(--shadow);display:inline-flex;align-items:center;gap:6px;transition:transform .15s}
.nav-cta:hover{transform:translateY(-1px)}
.menu-btn{display:none;width:40px;height:40px;border-radius:10px;align-items:center;justify-content:center;color:var(--ink)}
.mobile-nav{display:none;flex-direction:column;background:#fff;border-top:1px solid var(--line);padding:12px 20px 20px;gap:4px}
.mobile-nav a{padding:12px 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink-2);font-weight:500}
.mobile-nav .nav-cta{margin-top:12px;justify-content:center}

.hero{background:linear-gradient(180deg,#faf5ff 0%,#ffffff 100%);padding:60px 0 80px;overflow:hidden;position:relative}
.hero::before{content:"";position:absolute;top:-120px;right:-120px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(124,58,237,.14),transparent 70%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;position:relative}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(124,58,237,.1);color:var(--purple);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:20px}
.hero-badge::before{content:"●";color:var(--ok);font-size:10px;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-size:clamp(34px,5.4vw,58px);line-height:1.15;font-weight:900;letter-spacing:-1px;color:var(--ink)}
.hero h1 .kw{color:var(--purple);background:linear-gradient(135deg,var(--purple),var(--purple-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:clamp(15px,1.6vw,18px);color:var(--muted);margin-top:18px;line-height:1.8;max-width:560px}
.hero-ctas{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:6px;padding:13px 24px;border-radius:12px;font-weight:700;font-size:15px;transition:all .15s;border:1px solid transparent}
.btn-primary{background:linear-gradient(135deg,var(--purple),var(--purple-2));color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 30px rgba(124,58,237,.28)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--purple);color:var(--purple)}
.hero-points{display:flex;gap:22px;margin-top:32px;color:var(--ink-2);font-size:13px;flex-wrap:wrap}
.hero-points span{display:flex;align-items:center;gap:6px}
.hero-points .check{color:var(--purple);font-weight:900}

.hero-phone{position:relative;width:320px;height:640px;margin:0 auto}
.phone-frame{background:#1f1f36;border-radius:44px;padding:14px;box-shadow:0 30px 60px rgba(124,58,237,.18),0 0 0 2px rgba(0,0,0,.08)}
.phone-screen{background:#fff;border-radius:32px;overflow:hidden;padding:18px 16px 24px}
.phone-notch{width:110px;height:24px;background:#1f1f36;border-radius:0 0 14px 14px;margin:-18px auto 14px}
.phone-title{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted);margin-bottom:14px}
.phone-status{text-align:center;font-size:12px;font-weight:600;color:var(--ink);padding:4px 0 12px;border-bottom:1px solid var(--line)}
.phone-calc{background:var(--soft);border-radius:14px;padding:16px;margin-bottom:12px}
.calc-row{display:flex;gap:8px;margin-bottom:10px}
.calc-row label{flex:1;font-size:12px;color:var(--muted)}
.calc-row select{flex:1;background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:12px}
.calc-input{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:20px;font-weight:800;color:var(--ink);text-align:right;background:#fff}
.calc-result{background:linear-gradient(135deg,var(--pale-purple),#fff);border-radius:12px;padding:14px;margin-top:10px;border:1px solid rgba(124,58,237,.12)}
.calc-result .label{font-size:12px;color:var(--muted)}
.calc-result .value{font-size:22px;font-weight:900;color:var(--purple);margin-top:2px}
.calc-result .fee{font-size:11px;color:var(--muted);margin-top:4px}
.phone-btn{width:100%;background:linear-gradient(135deg,var(--purple),var(--purple-2));color:#fff;border-radius:10px;padding:12px;font-weight:700;font-size:13px;margin-top:12px}
.floating-badge{position:absolute;background:#fff;border-radius:14px;padding:12px 14px;box-shadow:var(--shadow);display:flex;align-items:center;gap:10px;font-size:12px;font-weight:600}
.floating-badge.b1{top:30px;left:-30px}
.floating-badge.b2{bottom:60px;right:-30px;background:#10b981;color:#fff;box-shadow:0 8px 24px rgba(16,185,129,.3)}
.floating-badge .dot{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;color:#fff;font-size:14px;font-weight:900}
.floating-badge.b1 .dot{background:linear-gradient(135deg,var(--purple),var(--purple-2))}
.floating-badge.b2 .dot{background:rgba(255,255,255,.2)}

.section{padding:72px 0}
.section-head{text-align:center;margin-bottom:44px}
.section-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:900;letter-spacing:-.5px;margin-top:8px;color:var(--ink)}
.section-head p{color:var(--muted);margin-top:12px;max-width:640px;margin-left:auto;margin-right:auto;font-size:16px}
.section-alt{background:var(--soft)}

.live-calc{background:#fff;border-radius:20px;box-shadow:var(--shadow);padding:32px;margin-top:-40px;position:relative;z-index:2}
.calc-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:32px}
.calc-title{font-size:20px;font-weight:800;margin-bottom:4px}
.calc-desc{font-size:14px;color:var(--muted);margin-bottom:18px}
.calc-group{display:grid;gap:14px}
.calc-direction{display:flex;background:var(--soft);border-radius:12px;padding:4px;gap:4px;margin-bottom:12px}
.calc-direction button{flex:1;padding:10px;border-radius:10px;font-weight:700;font-size:14px;color:var(--muted);transition:all .15s}
.calc-direction button[data-on="1"]{background:#fff;color:var(--purple);box-shadow:0 2px 8px rgba(124,58,237,.15)}
.calc-field{display:flex;flex-direction:column;gap:6px}
.calc-field label{font-size:13px;color:var(--ink-2);font-weight:600}
.calc-field .input{border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:16px;background:#fff;color:var(--ink);outline:none}
.calc-field .input:focus{border-color:var(--purple);box-shadow:0 0 0 3px rgba(124,58,237,.1)}
.calc-summary{background:linear-gradient(135deg,var(--pale-purple),#fff);border:1px solid rgba(124,58,237,.1);border-radius:16px;padding:24px}
.summary-title{font-size:14px;color:var(--muted);margin-bottom:14px;display:flex;align-items:center;gap:6px}
.summary-amount{font-size:36px;font-weight:900;color:var(--purple);margin-bottom:14px}
.summary-item{display:flex;justify-content:space-between;padding:10px 0;font-size:14px;color:var(--ink-2);border-bottom:1px dashed var(--line)}
.summary-item:last-of-type{border-bottom:0}
.summary-item strong{color:var(--ink);font-weight:700}
.summary-foot{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);font-size:12px;color:var(--muted);line-height:1.7}

.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-card{background:#fff;border-radius:16px;padding:26px 20px;text-align:center;box-shadow:0 2px 10px rgba(0,0,0,.03);border:1px solid var(--line);transition:all .15s}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(124,58,237,.2)}
.stat-num{font-size:clamp(26px,3vw,36px);font-weight:900;color:var(--purple);line-height:1.1}
.stat-label{font-size:13px;color:var(--muted);margin-top:6px;font-weight:500}

.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature-card{background:#fff;border-radius:16px;padding:26px;border:1px solid var(--line);transition:all .15s}
.feature-card:hover{border-color:var(--purple);box-shadow:var(--shadow)}
.feature-icon{width:44px;height:44px;border-radius:12px;background:var(--pale-purple);color:var(--purple);display:grid;place-items:center;font-size:22px;font-weight:900;margin-bottom:14px}
.feature-card h3{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:8px}
.feature-card p{font-size:14px;color:var(--muted);line-height:1.75}

.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.step-card{background:#fff;border-radius:16px;padding:24px;border:1px solid var(--line);position:relative;text-align:center}
.step-num{font-size:48px;font-weight:900;color:var(--pale-purple);line-height:1;margin-bottom:8px;letter-spacing:-2px}
.step-card h3{font-size:17px;font-weight:800;margin-bottom:6px;color:var(--ink)}
.step-card p{font-size:13px;color:var(--muted);line-height:1.7}

.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-image{background:linear-gradient(135deg,var(--pale-purple),#ede9fe);border-radius:20px;height:320px;display:grid;place-items:center;position:relative;overflow:hidden}
.about-image::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 30%,rgba(124,58,237,.2),transparent 60%)}
.about-image .ico{font-size:110px;font-weight:900;color:rgba(124,58,237,.35);line-height:1}
.about-text .section-tag{margin-bottom:12px;display:inline-block}
.about-text h2{font-size:clamp(24px,3.2vw,36px);font-weight:900;letter-spacing:-.5px;margin-bottom:14px;line-height:1.25}
.about-text p{color:var(--ink-2);font-size:16px;line-height:1.85;margin-bottom:14px}
.about-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;margin-top:18px}
.about-list li{font-size:14px;color:var(--ink-2);display:flex;align-items:center;gap:8px;padding:8px 0}
.about-list li::before{content:"✓";color:var(--purple);font-weight:900}

.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border-radius:14px;border:1px solid var(--line);margin-bottom:12px;overflow:hidden}
.faq-q{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;font-weight:700;color:var(--ink);font-size:16px;text-align:left;gap:14px;width:100%}
.faq-q::after{content:"+";font-size:22px;font-weight:400;color:var(--purple);flex-shrink:0}
.faq-item.open .faq-q::after{content:"−"}
.faq-a{padding:0 22px;max-height:0;overflow:hidden;transition:all .25s}
.faq-item.open .faq-a{max-height:400px;padding:0 22px 20px}
.faq-a p{color:var(--muted);font-size:15px;line-height:1.8}

.final-cta{background:linear-gradient(135deg,#7c3aed,#5b21b6);border-radius:24px;padding:60px 40px;color:#fff;text-align:center;box-shadow:0 20px 50px rgba(91,33,182,.3)}
.final-cta h2{font-size:clamp(24px,3vw,36px);font-weight:900;margin-bottom:12px}
.final-cta p{opacity:.9;margin-bottom:24px;font-size:16px;max-width:500px;margin-left:auto;margin-right:auto}
.final-cta .btn{background:#fff;color:var(--purple);font-size:16px;padding:14px 32px;border-radius:14px}

.site-footer{background:#1e1b2e;color:#b6b3c9;padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;margin-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800}
.footer-brand .brand-mark{margin-bottom:0}
.footer-col p{font-size:13px;color:#b6b3c9;line-height:1.8;margin-top:12px;max-width:280px}
.footer-col strong{display:block;color:#fff;font-size:14px;margin-bottom:14px;font-weight:700}
.footer-col a{display:block;color:#b6b3c9;font-size:13px;padding:6px 0;transition:color .15s}
.footer-col a:hover{color:#fff}
.footer-contact span{display:block;color:#b6b3c9;font-size:13px;padding:4px 0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;font-size:12px;color:#8d8aa2}
.footer-bottom p{max-width:760px;line-height:1.8}

@media(max-width:960px){
  .desktop-nav,.nav-cta{display:none}
  .menu-btn{display:flex}
  .mobile-nav[hidden]{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:40px;padding-top:20px}
  .hero-phone{transform:scale(.9);margin-top:-20px}
  .calc-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
}
@media(max-width:520px){
  .nav-wrap{height:56px}
  .brand{font-size:17px}
  .site-header{padding-top:env(safe-area-inset-top)}
  .container{padding:0 16px}
  .hero{padding:40px 0 60px}
  .hero h1{font-size:32px}
  .section{padding:50px 0}
  .stats-grid,.features-grid,.steps-grid{grid-template-columns:1fr}
  .floating-badge.b1{left:0;transform:scale(.85)}
  .floating-badge.b2{right:0;transform:scale(.85)}
  .about-list{grid-template-columns:1fr}
  .final-cta{padding:40px 20px;border-radius:18px;margin:0 10px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:40px 0 20px;padding-bottom:calc(20px + env(safe-area-inset-bottom))}
  .live-calc{padding:22px;margin-top:-20px}
  .step-card{text-align:left;padding:22px}
  .step-num{font-size:40px}
  .hero-ctas .btn{width:100%;justify-content:center}
}