/* ====================
   跨界通公司官网样式
   简洁白色主题
==================== */

/* ---- 基础 ---- */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: #333;
    line-height: 1.6;
    padding-top: 60px;
}

a {
    color: #1a73e8;
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: #1557b0;
    text-decoration: none;
}

/* ---- 导航栏 ---- */
.navbar-company {
    background: #fff;
    border-bottom: 1px solid #e8e8e8;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    min-height: 60px;
}

.navbar-company .navbar-brand {
    padding: 15px 0;
    font-size: 0;
}

.navbar-company .brand-icon {
    display: inline-block;
    width: 32px;
    height: 32px;
    line-height: 32px;
    text-align: center;
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    color: #fff;
    border-radius: 6px;
    font-weight: 700;
    font-size: 18px;
    margin-right: 8px;
    vertical-align: middle;
}

.navbar-company .brand-text {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
    vertical-align: middle;
}

.navbar-company .navbar-nav > li > a {
    color: #555;
    font-size: 15px;
    padding: 20px 18px;
    font-weight: 500;
}

.navbar-company .navbar-nav > li > a:hover,
.navbar-company .navbar-nav > li.active > a {
    color: #1a73e8;
    background: transparent;
}

.navbar-company .navbar-toggle {
    margin-top: 13px;
    border-color: #ddd;
}

.navbar-company .navbar-toggle .icon-bar {
    background-color: #666;
}

/* ---- 首页 Hero ---- */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #dee2e6 100%);
    padding: 120px 0 140px;
    text-align: center;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(26,115,232,0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(66,133,244,0.04) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 52px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
    letter-spacing: 4px;
}

.hero-subtitle {
    font-size: 22px;
    color: #1a73e8;
    font-weight: 500;
    margin-bottom: 12px;
}

.hero-desc {
    font-size: 16px;
    color: #666;
    max-width: 500px;
    margin: 0 auto 32px;
}

.hero-buttons .btn {
    margin: 0 8px;
    padding: 12px 36px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
}

.hero-buttons .btn-primary {
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    border: none;
    box-shadow: 0 4px 14px rgba(26,115,232,0.3);
}

.hero-buttons .btn-primary:hover {
    background: linear-gradient(135deg, #1557b0, #1a73e8);
    box-shadow: 0 6px 20px rgba(26,115,232,0.4);
}

.hero-buttons .btn-outline {
    border: 2px solid #1a73e8;
    color: #1a73e8;
    background: transparent;
}

.hero-buttons .btn-outline:hover {
    background: #1a73e8;
    color: #fff;
}

/* ---- 通用区块 ---- */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 32px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.section-desc {
    font-size: 16px;
    color: #888;
}

/* ---- 服务区块 ---- */
.services-section {
    padding: 80px 0;
    background: #fff;
}

.service-card {
    display: block;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
}

.service-card:hover {
    border-color: #1a73e8;
    box-shadow: 0 8px 30px rgba(26,115,232,0.1);
    transform: translateY(-4px);
}

.service-card .service-icon {
    width: 72px;
    height: 72px;
    line-height: 72px;
    border-radius: 16px;
    margin: 0 auto 20px;
    font-size: 32px;
    color: #fff;
}

.service-icon-computing {
    background: linear-gradient(135deg, #1a73e8, #4285f4);
}

.service-icon-video {
    background: linear-gradient(135deg, #e53935, #ff5252);
}

.service-icon-ai {
    background: linear-gradient(135deg, #43a047, #66bb6a);
}

.service-card .service-title {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.service-card .service-desc {
    font-size: 14px;
    color: #777;
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-card .service-more {
    font-size: 14px;
    color: #1a73e8;
    font-weight: 500;
}

/* ---- 特性区块 ---- */
.features-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.feature-item {
    text-align: center;
    padding: 30px 20px;
}

.feature-icon {
    width: 64px;
    height: 64px;
    line-height: 64px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    margin: 0 auto 16px;
    font-size: 24px;
    color: #1a73e8;
}

.feature-item h4 {
    font-size: 17px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.feature-item p {
    font-size: 14px;
    color: #888;
}

/* ---- CTA 区块 ---- */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    text-align: center;
}

.cta-content h2 {
    font-size: 28px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 12px;
}

.cta-content p {
    font-size: 16px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 28px;
}

.cta-content .btn-primary {
    background: #fff;
    color: #1a73e8;
    border: none;
    padding: 12px 40px;
    border-radius: 6px;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}

.cta-content .btn-primary:hover {
    background: #f8f9fa;
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

/* ---- 页脚 ---- */
.company-footer {
    background: #1a1a2e;
    color: #a0a0b0;
    padding: 60px 0 0;
}

.company-footer a {
    color: #a0a0b0;
}

.company-footer a:hover {
    color: #fff;
}

.footer-brand .footer-logo {
    margin-bottom: 16px;
}

.footer-brand .footer-logo .brand-icon {
    display: inline-block;
    width: 32px;
    height: 32px;
    line-height: 32px;
    text-align: center;
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    color: #fff;
    border-radius: 6px;
    font-weight: 700;
    font-size: 18px;
    margin-right: 8px;
    vertical-align: middle;
}

.footer-brand .footer-logo .brand-text {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    vertical-align: middle;
}

.footer-brand .footer-desc {
    font-size: 14px;
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links ul li {
    margin-bottom: 10px;
    font-size: 14px;
}

.footer-contact h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}

.footer-contact p {
    font-size: 14px;
    margin-bottom: 10px;
}

.footer-contact p i {
    margin-right: 8px;
    color: #1a73e8;
    width: 16px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    margin-top: 40px;
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: #777;
}

/* ---- 内页 Banner ---- */
.page-banner {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 60px 0 50px;
    text-align: center;
}

.page-title {
    font-size: 36px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.page-breadcrumb {
    font-size: 14px;
    color: #888;
}

.page-breadcrumb a {
    color: #1a73e8;
}

/* ---- 服务详情页 ---- */
.service-detail {
    padding: 60px 0;
    background: #fff;
}

.service-intro h2 {
    font-size: 28px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 16px;
}

.service-intro p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

.service-big-icon {
    width: 160px;
    height: 160px;
    line-height: 160px;
    border-radius: 24px;
    margin: 20px auto;
    font-size: 64px;
    color: #fff;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.service-features {
    padding: 60px 0;
    background: #f8f9fa;
}

.detail-feature {
    background: #fff;
    border-radius: 12px;
    padding: 32px 24px;
    margin-bottom: 24px;
    text-align: center;
    transition: all 0.3s;
}

.detail-feature:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.detail-feature-icon {
    width: 56px;
    height: 56px;
    line-height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    margin: 0 auto 16px;
    font-size: 22px;
    color: #fff;
}

.detail-feature h4 {
    font-size: 17px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.detail-feature p {
    font-size: 14px;
    color: #888;
    line-height: 1.6;
    margin: 0;
}

.service-scenarios {
    padding: 60px 0;
    background: #fff;
}

.scenario-item {
    padding: 24px;
    border: 1px solid #eee;
    border-radius: 10px;
    margin-bottom: 20px;
    transition: all 0.3s;
}

.scenario-item:hover {
    border-color: #1a73e8;
    box-shadow: 0 4px 16px rgba(26,115,232,0.08);
}

.scenario-item h4 {
    font-size: 17px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.scenario-item h4 i {
    color: #1a73e8;
    margin-right: 8px;
    width: 20px;
}

.scenario-item p {
    font-size: 14px;
    color: #888;
    margin: 0;
}

.workflow-list {
    margin-top: 20px;
}

.workflow-item {
    text-align: center;
    padding: 30px 20px;
}

.workflow-step {
    width: 48px;
    height: 48px;
    line-height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    margin: 0 auto 16px;
}

.workflow-item h4 {
    font-size: 17px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.workflow-item p {
    font-size: 14px;
    color: #888;
}

/* ---- 关于我们页 ---- */
.about-intro {
    padding: 60px 0;
    background: #fff;
}

.about-title {
    font-size: 28px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.about-text {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-stats {
    background: #f8f9fa;
    border-radius: 16px;
    padding: 40px 30px;
}

.stat-item {
    text-align: center;
    padding: 20px 10px;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: #1a73e8;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: #888;
}

.about-vision {
    padding: 60px 0;
    background: #f8f9fa;
}

.vision-item {
    text-align: center;
    padding: 30px 20px;
}

.vision-icon {
    width: 60px;
    height: 60px;
    line-height: 60px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    margin: 0 auto 16px;
    font-size: 24px;
    color: #1a73e8;
}

.vision-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.vision-item p {
    font-size: 15px;
    color: #888;
}

.about-team {
    padding: 60px 0;
    background: #fff;
}

.team-item {
    text-align: center;
    padding: 20px;
}

.team-avatar {
    font-size: 72px;
    color: #ddd;
    margin-bottom: 12px;
}

.team-item h4 {
    font-size: 17px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.team-role {
    font-size: 14px;
    color: #1a73e8;
    font-weight: 500;
    margin-bottom: 8px;
}

.team-desc {
    font-size: 13px;
    color: #999;
}

/* ---- 联系页 ---- */
.contact-section {
    padding: 60px 0;
    background: #f8f9fa;
}

.contact-info {
    padding: 20px;
}

.contact-info h3 {
    font-size: 22px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 28px;
}

.contact-icon {
    width: 44px;
    height: 44px;
    line-height: 44px;
    border-radius: 10px;
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    text-align: center;
    margin-right: 16px;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 18px;
    color: #fff;
}

.contact-detail h5 {
    font-size: 14px;
    font-weight: 600;
    color: #888;
    margin: 0 0 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-detail p {
    font-size: 15px;
    color: #1a1a1a;
    margin: 0;
    line-height: 1.6;
}

.contact-form-wrapper {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.contact-form-wrapper h3 {
    font-size: 22px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.contact-form-wrapper .form-tip {
    font-size: 14px;
    color: #999;
    margin-bottom: 24px;
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form label {
    font-size: 14px;
    font-weight: 500;
    color: #555;
    margin-bottom: 6px;
}

.contact-form .required {
    color: #e53935;
}

.contact-form .form-control {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 14px;
    box-shadow: none;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.contact-form .form-control:focus {
    border-color: #1a73e8;
    box-shadow: 0 0 0 3px rgba(26,115,232,0.1);
}

.contact-form textarea.form-control {
    resize: vertical;
}

.contact-form .btn-primary {
    background: linear-gradient(135deg, #1a73e8, #4285f4);
    border: none;
    border-radius: 8px;
    padding: 14px;
    font-size: 15px;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(26,115,232,0.3);
}

.contact-form .btn-primary:hover {
    background: linear-gradient(135deg, #1557b0, #1a73e8);
    box-shadow: 0 6px 20px rgba(26,115,232,0.4);
}

/* ---- 响应式 ---- */
@media (max-width: 991px) {
    .hero-title {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .service-big-icon {
        width: 120px;
        height: 120px;
        line-height: 120px;
        font-size: 48px;
    }

    .contact-form-wrapper {
        margin-top: 40px;
    }
}

@media (max-width: 767px) {
    body {
        padding-top: 50px;
    }

    .hero-section {
        padding: 80px 0 100px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-buttons .btn {
        display: block;
        width: 100%;
        max-width: 260px;
        margin: 8px auto;
    }

    .section-title {
        font-size: 26px;
    }

    .page-title {
        font-size: 28px;
    }

    .service-card {
        margin-bottom: 20px;
    }

    .company-footer .footer-links,
    .company-footer .footer-contact {
        margin-top: 30px;
    }

    .navbar-company .navbar-nav > li > a {
        padding: 12px 15px;
    }
}