* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid #e2e8f0;
    z-index: 1000;
    padding: 0 24px;
    transition: box-shadow 0.3s;
}
.navbar.scrolled {
    box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
}

.logo img {
    height: 36px;
    width: auto;
    border-radius: 6px;
}

.logo-text {
    display: inline-flex;
    flex-direction: column;
    line-height: 1.2;
}
.logo-text .logo-main {
    font-size: 22px;
    font-weight: 700;
    color: #1565c0;
    white-space: nowrap;
    letter-spacing: 0.5px;
}
.logo-text .logo-main sup {
    font-size: 12px;
    font-weight: 500;
}
.logo-text .logo-sub {
    font-size: 10px;
    font-weight: 400;
    color: #1565c0;
    white-space: nowrap;
    opacity: 0.7;
}

/* 导航链接 */
.nav-links {
    display: flex;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    position: relative;
    display: inline-block;
    text-decoration: none;
    color: #475569;
    font-size: 14.5px;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 6px;
    transition: color 0.2s, background 0.2s;
}

.nav-links a:hover {
    color: #1565c0;
    background: #f0f4ff;
}

/* 右侧操作区 */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.nav-lang-btn {
    background: transparent;
    color: #64748b;
    border: 1px solid #cbd5e1;
    padding: 6px 14px;
    border-radius: 999px;
    cursor: pointer;
    font-size: 12.5px;
    font-weight: 500;
    transition: all 0.25s;
    line-height: 1.4;
}
.nav-lang-btn:hover {
    background: #f1f5f9;
    color: #1565c0;
    border-color: #1565c0;
}

.nav-cta {
    background: #1565c0;
    color: #fff;
    padding: 8px 22px;
    border-radius: 999px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.25s;
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.nav-cta:hover {
    background: #1976d2;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(21,101,192,0.35);
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 6px;
    background: none;
    border: none;
}

.menu-toggle span {
    width: 22px;
    height: 2px;
    background: #475569;
    border-radius: 1px;
    transition: all 0.3s;
}

/* 首屏横幅 */
.hero-banner {
    padding-top: 70px;
    line-height: 0;
    background: #f0f2f5;
}

.hero-banner-img {
    display: block;
    width: 100%;
    height: auto;
}

/* 信息横条 */
.info-strip {
    background: #1565c0;
}

.info-strip-inner {
    display: flex;
    max-width: 100%;
}

.info-strip-left {
    flex: 0 0 42%;
    background: #1565c0;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 28px;
    padding: 16px 32px 16px 0;
    box-sizing: border-box;
}

.info-strip-text {
    text-align: right;
    flex-shrink: 0;
}

.info-strip-heading {
    font-size: 22px;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
    line-height: 1.3;
    letter-spacing: 1px;
}

.info-strip-sub {
    font-size: 12px;
    color: rgba(255,255,255,0.75);
    margin: 3px 0 0 0;
    line-height: 1.4;
    letter-spacing: 0.5px;
}

.info-strip-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 26px;
    background: #ffffff;
    color: #1565c0;
    font-size: 15px;
    font-weight: 600;
    border-radius: 999px;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.25s;
    letter-spacing: 1px;
    flex-shrink: 0;
}

.info-strip-btn:hover {
    background: #e6f0f9;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.info-strip-right {
    flex: 0 0 58%;
    background: #edf3f8;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 16px 20px;
    box-sizing: border-box;
}

.info-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 18px;
    min-width: 0;
}

.info-stat-num {
    font-size: 22px;
    font-weight: 700;
    color: #1565c0;
    line-height: 1.2;
    white-space: nowrap;
}

.info-stat-plus,
.info-stat-unit {
    font-size: 14px;
    font-weight: 600;
}

.info-stat-label {
    font-size: 11px;
    color: #6b7d8e;
    margin-top: 2px;
    white-space: nowrap;
}

.info-stat-divider {
    width: 1px;
    height: 28px;
    background: #cfdce8;
    flex-shrink: 0;
}

/* 合作伙伴（第二屏） */
.partners-section {
    padding: 80px 20px;
    background: #f5f7fa;
}

.partners-banner {
    display: flex;
    justify-content: center;
    align-items: center;
}

.partners-banner img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

/* 支持平台 */
.partners {
    padding: 80px 20px;
    background: #fff;
}

.partners-content {
    display: flex;
    justify-content: center;
    align-items: center;
}

.partners-image {
    max-width: 60%;
    height: auto;
    border-radius: 8px;
    transform: scaleY(0.85);
}

/* 服务特色 */
.features {
    padding: 80px 20px;
    background: #f5f7fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    color: #333;
    margin-bottom: 15px;
}

.section-title p {
    font-size: 18px;
    color: #666;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
    }
}

.feature-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 40px rgba(21,101,192,0.12);
}

.feature-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #1565c0, #0891b2);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: #fff;
    transition: transform 0.3s, border-radius 0.3s;
}
.feature-icon svg {
    width: 34px;
    height: 34px;
}
.feature-card:hover .feature-icon {
    transform: scale(1.08);
    border-radius: 22px;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
}

/* 服务流程 */
.process {
    padding: 80px 20px;
    background: #fff;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 50px;
}

.process-step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    position: relative;
}

.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -24px;
    top: 38px;
    width: 20px;
    height: 20px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231565c0' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3Cpolyline points='12,5 19,12 12,19'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

.step-number {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #1565c0, #0891b2);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    transition: transform 0.3s, border-radius 0.3s;
}
.process-step:hover .step-number {
    transform: scale(1.08);
    border-radius: 22px;
}

.process-step h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #333;
}

.process-step p {
    color: #666;
}

/* 售后流程 */
.after-sales {
    padding: 80px 20px;
    background: #f5f7fa;
}

.after-sales-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.after-sales-card {
    background: #fff;
    padding: 40px 28px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border-top: 3px solid transparent;
}

.after-sales-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 40px rgba(21,101,192,0.12);
    border-top-color: #1565c0;
}

.after-sales-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #1565c0, #0891b2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    color: #fff;
    transition: transform 0.3s, border-radius 0.3s;
}
.after-sales-icon svg {
    width: 30px;
    height: 30px;
}
.after-sales-card:hover .after-sales-icon {
    transform: scale(1.1);
    border-radius: 20px;
}

.after-sales-card h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.after-sales-card p {
    color: #666;
    line-height: 1.8;
}

.after-sales-timeline {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 40px;
    padding: 30px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.timeline-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: #f0f7ff;
    border-radius: 30px;
    color: #1565c0;
    font-weight: 500;
    transition: all 0.3s;
}

.timeline-item:hover {
    background: #e0efff;
    transform: translateY(-2px);
}

.timeline-item::after {
    content: '→';
    margin-left: 10px;
    font-size: 18px;
    color: #94a3b8;
}

.timeline-item:last-child::after {
    content: none;
}

.timeline-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #1565c0;
}
.timeline-icon svg {
    width: 20px;
    height: 20px;
}

/* 数据统计 */
.stats {
    padding: 80px 20px;
    background: linear-gradient(135deg, #1565c0 0%, #0891b2 100%);
    color: #fff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item h3 {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 10px;
}

.stat-item p {
    font-size: 18px;
    opacity: 0.9;
}

/* 页脚 */
.footer {
    background: #001529;
    color: #fff;
    padding: 60px 20px 30px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 40px;
}

.footer-section {
    flex: 1;
    min-width: 0;
}

.footer-section h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #fff;
}

.footer-section p,
.footer-section a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    line-height: 1.6;
    font-size: 13px;
}

.contact-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.contact-section-wide {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.contact-content {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-image {
    max-width: 100%;
    height: 60px;
    object-fit: contain;
}

.phone-list .phone-label {
    font-size: 12px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 3px;
}

.phone-list .phone-number {
    font-size: 13px;
    color: #fff;
    margin-bottom: 4px;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.phone-list .phone-number:last-child {
    margin-bottom: 0;
}

.footer-section a:hover {
    color: #1565c0;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 12px 20px 20px;
        gap: 4px;
        box-shadow: 0 4px 16px rgba(0,0,0,0.08);
        border-bottom: 1px solid #e2e8f0;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: 10px 12px;
        font-size: 15px;
        border-radius: 8px;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-cta {
        display: none;
    }

    .nav-lang-btn {
        padding: 5px 12px;
        font-size: 11px;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .process-step:not(:last-child)::after {
        display: none;
    }

    .process-steps {
        flex-direction: column;
    }

    .after-sales-timeline {
        flex-direction: column;
    }

    .timeline-item::after {
        content: '↓';
        margin-left: 0;
        margin-top: 5px;
    }

    .stat-item h3 {
        font-size: 36px;
    }

    .hero-banner {
        padding-top: 60px;
    }

    .info-strip-inner {
        flex-direction: column;
    }

    .info-strip-left {
        flex: auto;
        justify-content: center;
        gap: 16px;
        padding: 14px 20px;
    }

    .info-strip-text {
        text-align: center;
    }

    .info-strip-heading {
        font-size: 18px;
    }

    .info-strip-sub {
        font-size: 11px;
    }

    .info-strip-btn {
        padding: 7px 18px;
        font-size: 13px;
    }

    .info-strip-right {
        flex: auto;
        flex-wrap: wrap;
        gap: 8px;
        padding: 12px 10px;
    }

    .info-stat {
        padding: 0 8px;
    }

    .info-stat-num {
        font-size: 18px;
    }

    .info-stat-label {
        font-size: 10px;
    }

    .info-stat-divider {
        display: none;
    }
}

@media (max-width: 480px) {
    .feature-card {
        padding: 30px 20px;
    }
}

/* 弹窗样式 */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.modal-content {
    background: #fff;
    border-radius: 20px;
    padding: 40px 36px 36px;
    max-width: 700px;
    width: 92%;
    position: relative;
    animation: modalSlideIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(24px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-close {
    position: absolute;
    top: 14px;
    right: 18px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: #f1f5f9;
    color: #94a3b8;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    line-height: 1;
}
.modal-close:hover {
    background: #e2e8f0;
    color: #475569;
}

.modal-title {
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 6px;
}

.modal-desc {
    text-align: center;
    font-size: 14px;
    color: #94a3b8;
    margin-bottom: 32px;
}

.modal-options {
    display: flex;
    gap: 14px;
}

.modal-option {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 28px 16px 22px;
    border: 1.5px solid #e2e8f0;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    text-align: center;
    position: relative;
}

.modal-option:hover {
    border-color: #1565c0;
    background: #f8faff;
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(21, 101, 192, 0.1);
}

.modal-option-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}

.modal-option-icon.merchant {
    background: #eff6ff;
}
.modal-option-icon.warehouse {
    background: #f0fdf4;
}
.modal-option-icon.login {
    background: #fefce8;
}

.modal-option-text h4 {
    font-size: 16px;
    color: #1e293b;
    margin-bottom: 6px;
    font-weight: 600;
}

.modal-option-text p {
    font-size: 13px;
    color: #94a3b8;
    line-height: 1.6;
    margin: 0;
}

.modal-option-arrow {
    margin-top: 14px;
    font-size: 12.5px;
    color: #1565c0;
    font-weight: 500;
    opacity: 0;
    transform: translateY(-4px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-option:hover .modal-option-arrow {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 640px) {
    .modal-content {
        padding: 28px 20px 24px;
        border-radius: 16px;
        max-width: 100%;
    }
    .modal-options {
        flex-direction: column;
        gap: 10px;
    }
    .modal-option {
        flex-direction: row;
        align-items: center;
        padding: 18px 16px;
        text-align: left;
        gap: 14px;
    }
    .modal-option-icon {
        width: 44px;
        height: 44px;
        border-radius: 12px;
        margin-bottom: 0;
        flex-shrink: 0;
    }
    .modal-option-text h4 {
        font-size: 15px;
        margin-bottom: 2px;
    }
    .modal-option-text p {
        font-size: 12px;
    }
    .modal-option-arrow {
        margin-top: 0;
        margin-left: auto;
        flex-shrink: 0;
    }
    .modal-option:hover {
        transform: translateX(2px);
    }
}