/* 帮创易财税·注销站响应式样式 */
:root{
  --primary:#1e40af;
  --primary-dark:#1e3a8a;
  --accent:#10b981;
  --cta:#f59e0b;
  --bg:#f8fafc;
  --surface:#ffffff;
  --text:#1e293b;
  --text-light:#475569;
  --border:#e2e8f0;
  --radius:10px;
  --shadow:0 1px 3px rgba(15,23,42,.10),0 1px 2px rgba(15,23,42,.06);
  --shadow-lg:0 10px 25px rgba(15,23,42,.12);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  font-size:16px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-dark);text-decoration:underline}
h1,h2,h3{line-height:1.3;margin:0 0 .5em;font-weight:700}
p{margin:0 0 1em}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:8px 12px;z-index:1000}
.skip-link:focus{left:8px;top:8px}

/* Header */
.site-header{position:sticky;top:0;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow);z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px}
.brand{display:flex;flex-direction:column;text-decoration:none}
.brand-name{color:var(--primary);font-weight:800;font-size:18px}
.brand-tag{color:var(--text-light);font-size:12px}
.primary-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:24px}
.primary-nav a{color:var(--text);font-size:15px}
.nav-cta{background:var(--cta);color:#fff!important;padding:8px 16px;border-radius:var(--radius)}
.nav-cta:hover{background:#d97706}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle-bar{display:block;width:24px;height:3px;background:var(--text);margin:4px 0;transition:.3s}

/* Hero */
.hero{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;padding:64px 0}
.hero-inner{text-align:center}
.hero h1{font-size:32px;margin-bottom:16px}
.hero-sub{font-size:18px;max-width:760px;margin:0 auto 24px;opacity:.95}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 28px;border-radius:var(--radius);font-size:16px;font-weight:600;cursor:pointer;border:2px solid transparent;text-decoration:none;transition:.2s}
.btn-primary{background:var(--cta);color:#fff}
.btn-primary:hover{background:#d97706;color:#fff}
.btn-secondary{background:#fff;color:var(--primary)}
.btn-secondary:hover{background:#f1f5f9}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#fff}
.btn-block{width:100%}

/* Trust */
.trust{background:var(--surface);border-bottom:1px solid var(--border)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:24px 0}
.trust-item{display:flex;flex-direction:column;gap:4px}
.trust-label{font-size:12px;color:var(--text-light)}
.trust-value{font-size:15px;font-weight:600;color:var(--text)}

/* Sections */
.section{padding:56px 0}
.section:nth-child(even){background:var(--surface)}
.section-title{font-size:26px;text-align:center;margin-bottom:8px;color:var(--primary)}
.section-desc{text-align:center;color:var(--text-light);max-width:760px;margin:0 auto 32px}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px}
.card h3{color:var(--primary)}
.card-aux{background:#f1f5f9;border-style:dashed}
.card-meta{margin:0}
.card-meta dt{font-size:12px;color:var(--text-light);margin-top:8px}
.card-meta dd{margin:0;font-size:14px}
.card .btn{margin-top:auto;align-self:flex-start}

/* Steps */
.steps{list-style:none;margin:0;padding:0;counter-reset:step;max-width:820px;margin:0 auto}
.steps li{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid var(--border)}
.steps li:last-child{border:0}
.step-num{flex:0 0 auto;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px}
.step-body h3{color:var(--primary);margin-bottom:4px}
.step-body p{margin:0;color:var(--text-light)}

/* Materials */
.materials-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:12px;max-width:760px;margin:0 auto}
.materials-list li{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:12px 16px;padding-left:40px;position:relative}
.materials-list li::before{content:"✓";position:absolute;left:14px;color:var(--accent);font-weight:700}

/* Tables */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);min-width:520px}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--border)}
th{background:var(--primary);color:#fff;font-weight:600}
tr:last-child td{border:0}
tr:nth-child(even) td{background:#f8fafc}

/* Risk */
.risk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.risk-item{background:var(--surface);border-left:4px solid var(--cta);border-radius:8px;padding:20px;box-shadow:var(--shadow)}
.risk-item h3{color:#b45309;font-size:16px}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
details{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:0;box-shadow:var(--shadow)}
details[open]{box-shadow:var(--shadow-lg)}
summary{padding:16px 20px;cursor:pointer;font-weight:600;color:var(--primary);list-style:none;display:flex;justify-content:space-between;align-items:center}
summary::after{content:"+";font-size:22px;color:var(--primary)}
details[open] summary::after{content:"–"}
details p{padding:0 20px 16px;margin:0;color:var(--text-light)}

/* About */
.about-inner{max-width:820px;margin:0 auto;text-align:center}

/* Contact */
.contact-inner{max-width:960px;margin:0 auto}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info p{margin-bottom:12px}
.qr{margin:16px 0 0;text-align:center}
.qr img{margin:0 auto;border:1px solid var(--border);border-radius:8px;background:#fff;padding:8px}
.qr figcaption{font-size:13px;color:var(--text-light);margin-top:8px}
.contact-form{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:24px;box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field label{display:block;margin-bottom:6px;font-weight:600;font-size:14px}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:15px;font-family:inherit;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(30,64,175,.15)}
.form-tip{margin:8px 0 0;font-size:14px;color:var(--accent);min-height:20px}

/* Footer */
.site-footer{background:var(--text);color:#cbd5e1;padding:40px 0 80px}
.footer-inner{display:flex;flex-direction:column;gap:24px}
.footer-company{font-size:18px;font-weight:700;color:#fff;margin-bottom:8px}
.footer-meta{font-size:14px;margin-bottom:6px}
.footer-nav{display:flex;flex-wrap:wrap;gap:20px;margin:12px 0}
.footer-nav a{color:#cbd5e1;font-size:14px}
.footer-nav a:hover{color:#fff}
.footer-cross{font-size:14px;margin-top:8px}
.footer-cross a{color:#fff;text-decoration:underline}
.footer-icp{border-top:1px solid #334155;padding-top:20px;text-align:center}
.footer-icp a{color:#cbd5e1}
.footer-icp a:hover{color:#fff;text-decoration:underline}
.footer-copy{font-size:13px;color:#94a3b8;margin-top:8px}

/* Mobile action bar */
.action-bar{display:none;position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);box-shadow:0 -2px 8px rgba(15,23,42,.1);z-index:200}
.action-bar-btn{flex:1;text-align:center;padding:14px;font-weight:600;text-decoration:none;font-size:15px}
.action-call{background:var(--cta);color:#fff}
.action-call:hover{background:#d97706;color:#fff}
.action-wechat{background:var(--accent);color:#fff}
.action-wechat:hover{background:#059669;color:#fff}

/* Responsive */
@media(max-width:768px){
  .hero{padding:40px 0}
  .hero h1{font-size:24px}
  .hero-sub{font-size:15px}
  .section{padding:40px 0}
  .section-title{font-size:22px}
  .nav-toggle{display:block}
  .primary-nav{position:fixed;top:64px;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--border);max-height:0;overflow:hidden;transition:max-height .3s ease;z-index:99}
  .primary-nav.open{max-height:400px}
  .primary-nav ul{flex-direction:column;gap:0;padding:8px 0}
  .primary-nav li{border-bottom:1px solid var(--border)}
  .primary-nav a{display:block;padding:14px 20px}
  .trust-grid,.cards,.risk-grid{grid-template-columns:1fr 1fr}
  .materials-list{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .action-bar{display:flex}
  body{padding-bottom:60px}
  .site-footer{padding-bottom:80px}
}
@media(max-width:480px){
  .trust-grid{grid-template-columns:1fr}
  .hero h1{font-size:20px}
}
@media print{
  .action-bar,.nav-toggle{display:none}
  .site-header{position:static}
}