/* ===== 内页横幅 ===== */
.page-banner { background: linear-gradient(135deg, #0b1a33 0%, #1a3a7a 50%, #2563eb 100%); color: #fff; padding: 60px 0 50px; position: relative; overflow: hidden; }
.page-banner::after { content: ''; position: absolute; right: -100px; top: -100px; width: 400px; height: 400px; background: rgba(255,255,255,0.04); border-radius: 50%; }
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 { font-size: 40px; font-weight: 700; margin-bottom: 10px; }
.page-banner p { font-size: 18px; opacity: 0.85; max-width: 630px; }
.page-banner .breadcrumb { margin-top: 16px; font-size: 14px; opacity: 0.7; }
.page-banner .breadcrumb a { color: #fff; opacity: 0.7; }
.page-banner .breadcrumb a:hover { opacity: 1; }
.page-banner .breadcrumb span { margin: 0 6px; }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h3 { font-size: 32px; color: #222; margin-bottom: 12px; font-weight: 700; }
.section-title p { color: #666; font-size: 16px; }
.service-detail { padding: 60px 0; background: #fff; }
.service-detail .intro-text { font-size: 16px; line-height: 1.9; color: #555; max-width: 900px; margin: 0 auto 40px; text-align: center; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 20px; }
.feature-card { background: #f8fafc; border-radius: 12px; padding: 32px 28px; transition: transform 0.3s, box-shadow 0.3s; border: 1px solid transparent; }
.feature-card:hover { transform: translateY(-6px); box-shadow: 0 8px 30px rgba(37,99,235,0.10); border-color: #e8edf9; }
.feature-card .icon { font-size: 40px; display: block; margin-bottom: 14px; }
.feature-card h4 { font-size: 20px; color: #222; margin-bottom: 10px; }
.feature-card p { font-size: 15px; color: #666; line-height: 1.7; }
.service-types { padding: 60px 0; background: #f8fafc; }
.types-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.type-item { background: #fff; border-radius: 12px; padding: 30px 28px; box-shadow: 0 2px 12px rgba(0,0,0,0.04); transition: transform 0.3s; border-top: 4px solid #2563eb; }
.type-item:hover { transform: translateY(-4px); }
.type-item h4 { font-size: 20px; color: #222; margin-bottom: 8px; }
.type-item .price { font-size: 14px; color: #999; margin-bottom: 12px; }
.type-item ul li { line-height: 2.2; font-size: 15px; color: #555; padding-left: 20px; position: relative; }
.type-item ul li::before { content: '✓'; position: absolute; left: 0; color: #2563eb; font-weight: bold; }
.type-item .btn-link { display: inline-block; margin-top: 16px; color: #2563eb; font-weight: 500; }
.type-item .btn-link:hover { text-decoration: underline; }
.process-section { padding: 60px 0; background: #fff; }
.process-steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; margin-top: 20px; position: relative; }
.process-steps::before { content: ''; position: absolute; top: 32px; left: 10%; right: 10%; height: 2px; background: linear-gradient(90deg, #2563eb, #2563eb 80%, #ddd); z-index: 0; }
.step { text-align: center; position: relative; z-index: 1; background: #fff; padding: 20px 10px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.04); }
.step .num { width: 40px; height: 40px; border-radius: 50%; background: #2563eb; color: #fff; font-size: 18px; font-weight: 700; display: flex; align-items: center; justify-content: center; margin: 0 auto 10px; }
.step h5 { font-size: 15px; color: #222; }
.step p { font-size: 12px; color: #888; margin-top: 4px; }
.faq-section { padding: 60px 0; background: #f8fafc; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: #fff; border-radius: 8px; padding: 20px 28px; margin-bottom: 12px; box-shadow: 0 2px 8px rgba(0,0,0,0.04); }
.faq-item .q { font-size: 17px; font-weight: 600; color: #222; }
.faq-item .q .icon { color: #2563eb; margin-right: 10px; }
.faq-item .a { font-size: 15px; color: #666; line-height: 1.8; margin-top: 8px; padding-left: 30px; }
@media screen and (max-width: 992px) {
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .types-grid { grid-template-columns: repeat(2, 1fr); }
    .process-steps { grid-template-columns: repeat(3, 1fr); }
    .process-steps::before { display: none; }
    .page-banner h1 { font-size: 28px; }
}
@media screen and (max-width: 768px) {
    .nav-list { position: fixed; top: 0; left: -100%; width: 80%; max-width: 320px; height: 100%; background: #fff; flex-direction: column; padding: 80px 30px 30px; box-shadow: 4px 0 20px rgba(0,0,0,0.15); transition: left 0.35s ease; gap: 0; overflow-y: auto; z-index: 1001; }
    .nav-list.active { left: 0; }
    .nav-list li a { display: block; padding: 14px 0; border-bottom: 1px solid #f0f0f0; font-size: 17px; }
    .nav-list li a::after { display: none; }
    .menu-btn { display: flex; }
    .menu-overlay.active { display: block; }
    .top-bar .container { justify-content: center; text-align: center; }
    .hotline { width: 100%; margin-bottom: 4px; }
    .page-banner { padding: 30px 0 24px; }
    .page-banner h1 { font-size: 22px; }
    .page-banner p { font-size: 15px; }
    .feature-grid { grid-template-columns: 1fr; }
    .types-grid { grid-template-columns: 1fr; }
    .process-steps { grid-template-columns: 1fr 1fr; }
    .section-title h3 { font-size: 26px; }
    .contact-banner h3 { font-size: 26px; }
    .tel-num { font-size: 28px; }
    .contact-btns a { padding: 12px 30px; font-size: 15px; width: 80%; }
    .footer-wrap { gap: 30px; }
    .footer-col { min-width: 100%; }
    .header .container { height: 60px; }
    .logo { font-size: 20px; }
    .faq-item { padding: 16px 18px; }
    .faq-item .a { padding-left: 0; }
}
@media screen and (max-width: 480px) {
    .page-banner h1 { font-size: 19px; }
    .contact-banner h3 { font-size: 22px; }
    .tel-num { font-size: 24px; }
    .process-steps { grid-template-columns: 1fr; }
    .process-steps .step { display: flex; align-items: center; gap: 16px; text-align: left; padding: 14px 18px; }
    .process-steps .step .num { margin: 0; flex-shrink: 0; width: 34px; height: 34px; font-size: 15px; }
    .process-steps .step p { margin: 0; }
}