/* ============================================
   Base Styles - 江苏苏州代妈代怀代母助孕代生跨境电商有限公司
   Shared across all pages
   ============================================ */

/* --- Reset & Base --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Lato', 'Microsoft YaHei', sans-serif;
    color: #333;
    background: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: color 0.3s; }
ul { list-style: none; }
img { max-width: 100%; height: auto; }
.container { max-width: 1170px; margin: 0 auto; padding: 0 15px; }
.clearfix::after { content: ""; display: table; clear: both; }

/* --- Contact Bar (Top) --- */
.contact-bar {
    background: #1a1a2e;
    color: #fff;
    padding: 8px 0;
    font-size: 14px;
}
.contact-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.contact-bar-left span {
    margin-right: 20px;
}
.contact-bar-left i {
    margin-right: 5px;
    color: #e94560;
}
.contact-bar-right a {
    color: #e94560;
    font-weight: bold;
    font-size: 15px;
}
.contact-bar-right a:hover {
    color: #fff;
}

/* --- Header / Navigation --- */
.site-header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
}
.logo a {
    font-size: 16px;
    font-weight: 700;
    color: #1a1a2e;
    line-height: 1.4;
    max-width: 400px;
    display: inline-block;
    transition: color 0.3s;
}
.logo a:hover {
    color: #e94560;
}
.main-nav ul {
    display: flex;
    gap: 5px;
}
.main-nav ul li a {
    display: block;
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 600;
    color: #1a1a2e;
    border-radius: 4px;
    transition: all 0.3s;
}
.main-nav ul li a:hover,
.main-nav ul li a.active {
    background: #e94560;
    color: #fff;
}
.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #1a1a2e;
}

/* --- Page Banner --- */
.page-banner {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #fff;
    text-align: center;
    padding: 60px 0;
    position: relative;
}
.page-banner::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #e94560, #f5a623, #e94560);
}
.page-banner h2 {
    font-size: 36px;
    margin-bottom: 10px;
    letter-spacing: 2px;
}
.page-banner .banner-sub {
    font-size: 16px;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
}
.page-banner .breadcrumb {
    margin-top: 15px;
    font-size: 14px;
    opacity: 0.7;
}
.page-banner .breadcrumb a {
    color: #e94560;
}
.page-banner .breadcrumb a:hover {
    text-decoration: underline;
}

/* --- Section Common --- */
.section {
    padding: 60px 0;
}
.section-alt {
    background: #f8f9fa;
}
.section-title {
    text-align: center;
    font-size: 30px;
    color: #1a1a2e;
    margin-bottom: 15px;
    position: relative;
}
.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: #e94560;
    margin: 10px auto 0;
}
.section-subtitle {
    text-align: center;
    font-size: 16px;
    color: #666;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Footer --- */
.site-footer {
    background: #1a1a2e;
    color: #ccc;
    padding: 50px 0 0;
}
.footer-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}
.footer-col {
    flex: 1;
    min-width: 220px;
}
.footer-col h3 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 10px;
}
.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: #e94560;
}
.footer-col p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 10px;
}
.footer-col ul li {
    margin-bottom: 8px;
}
.footer-col ul li a {
    font-size: 14px;
    color: #ccc;
    transition: color 0.3s;
}
.footer-col ul li a:hover {
    color: #e94560;
    padding-left: 5px;
}
.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}
.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-size: 16px;
    transition: all 0.3s;
}
.footer-social a:hover {
    background: #e94560;
}
.footer-bottom {
    text-align: center;
    padding: 20px 0;
    margin-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 13px;
}

/* --- Scroll to Top --- */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 40px;
    height: 40px;
    background: #e94560;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 18px;
    display: none;
    z-index: 999;
    transition: background 0.3s;
}
.scroll-top:hover {
    background: #1a1a2e;
}

/* --- Grid System --- */
.row { display: flex; flex-wrap: wrap; margin: 0 -15px; }
.col-2 { flex: 0 0 16.666%; max-width: 16.666%; padding: 0 15px; }
.col-3 { flex: 0 0 25%; max-width: 25%; padding: 0 15px; }
.col-4 { flex: 0 0 33.333%; max-width: 33.333%; padding: 0 15px; }
.col-6 { flex: 0 0 50%; max-width: 50%; padding: 0 15px; }
.col-8 { flex: 0 0 66.666%; max-width: 66.666%; padding: 0 15px; }
.col-12 { flex: 0 0 100%; max-width: 100%; padding: 0 15px; }

/* --- Stats Section --- */
.stats-section {
    background: linear-gradient(135deg, #1a1a2e, #0f3460);
    color: #fff;
    padding: 50px 0;
}
.stats-grid {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}
.stat-item {
    text-align: center;
    flex: 1;
    min-width: 150px;
}
.stat-item .number {
    font-size: 42px;
    font-weight: 700;
    color: #e94560;
    margin-bottom: 5px;
}
.stat-item .label {
    font-size: 14px;
    opacity: 0.8;
}

/* --- Responsive --- */
@media (max-width: 991px) {
    .col-3 { flex: 0 0 33.333%; max-width: 33.333%; }
    .col-4 { flex: 0 0 50%; max-width: 50%; }
    .col-6 { flex: 0 0 100%; max-width: 100%; }
    .col-8 { flex: 0 0 100%; max-width: 100%; }
}
@media (max-width: 767px) {
    .contact-bar .container { flex-direction: column; text-align: center; gap: 5px; }
    .contact-bar-left span { margin-right: 10px; font-size: 12px; }
    .site-header .container { flex-wrap: wrap; }
    .logo a { font-size: 13px; max-width: 100%; }
    .nav-toggle { display: block; }
    .main-nav { display: none; width: 100%; }
    .main-nav.open { display: block; }
    .main-nav ul { flex-direction: column; gap: 0; }
    .main-nav ul li a { border-radius: 0; border-bottom: 1px solid #eee; }
    .col-3 { flex: 0 0 50%; max-width: 50%; }
    .col-4 { flex: 0 0 100%; max-width: 100%; }
    .page-banner h2 { font-size: 26px; }
    .section-title { font-size: 24px; }
    .footer-col { min-width: 100%; }
}
@media (max-width: 480px) {
    .col-3 { flex: 0 0 100%; max-width: 100%; }
}