/* 福州献策项目管理有限公司 - 新云店官网 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #0f172a;
    --text: #334155;
    --text-light: #64748b;
    --bg: #f8fafc;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --radius: 12px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), #60a5fa);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 18px;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    font-size: 16px;
    color: var(--text);
    transition: color 0.2s;
    position: relative;
}

.nav a:hover,
.nav a.active {
    color: var(--primary);
}

.nav a.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--secondary);
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
    padding: 100px 0 80px;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    color: var(--secondary);
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-title span {
    color: var(--primary);
}

.hero-desc {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-btns {
    display: flex;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.2);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.hero-image {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    border-radius: 24px;
    height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-image::before {
    content: '新云店';
    font-size: 72px;
    font-weight: 900;
    color: rgba(37, 99, 235, 0.12);
}

.hero-card {
    position: absolute;
    background: var(--white);
    padding: 20px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero-card.top {
    top: 40px;
    right: 40px;
}

.hero-card.bottom {
    bottom: 40px;
    left: 40px;
}

.hero-card strong {
    display: block;
    font-size: 24px;
    color: var(--primary);
}

.hero-card span {
    font-size: 14px;
    color: var(--text-light);
}

/* Section */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 48px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--secondary);
    margin-bottom: 12px;
}

.section-title p {
    font-size: 18px;
    color: var(--text-light);
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
    background: #eff6ff;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 20px;
    color: var(--secondary);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

/* Stats */
.stats {
    background: var(--secondary);
    color: var(--white);
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.stat-item h3 {
    font-size: 40px;
    font-weight: 800;
    color: #60a5fa;
    margin-bottom: 8px;
}

.stat-item p {
    font-size: 16px;
    color: #94a3b8;
}

/* Product page */
.product-hero {
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
    padding: 80px 0 60px;
    text-align: center;
}

.product-hero h1 {
    font-size: 42px;
    color: var(--secondary);
    margin-bottom: 16px;
}

.product-hero p {
    font-size: 18px;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

.feature-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.feature-detail.reverse {
    direction: rtl;
}

.feature-detail.reverse > * {
    direction: ltr;
}

.feature-detail-content h3 {
    font-size: 28px;
    color: var(--secondary);
    margin-bottom: 16px;
}

.feature-detail-content p {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 24px;
}

.feature-detail-content ul {
    list-style: none;
}

.feature-detail-content li {
    padding: 8px 0;
    color: var(--text);
    position: relative;
    padding-left: 28px;
}

.feature-detail-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.feature-detail-image {
    background: #e0f2fe;
    border-radius: var(--radius);
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 28px;
    font-weight: 700;
}

/* Contact */
.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
}

.contact-info h2 {
    font-size: 32px;
    color: var(--secondary);
    margin-bottom: 24px;
}

.contact-info p {
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.8;
}

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-item-icon {
    width: 48px;
    height: 48px;
    background: #eff6ff;
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 16px;
    color: var(--secondary);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 15px;
    color: var(--text-light);
    margin: 0;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 15px;
    color: var(--secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 15px;
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-success {
    display: none;
    background: #dcfce7;
    color: #166534;
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 24px;
    text-align: center;
}

.form-success.show {
    display: block;
}

/* Footer */
.footer {
    background: var(--secondary);
    color: #94a3b8;
    padding: 40px 0;
    text-align: center;
}

.footer p {
    margin-bottom: 8px;
}

.footer a {
    color: #60a5fa;
}

/* Responsive */
@media (max-width: 992px) {
    .hero .container,
    .contact-grid,
    .feature-detail {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-detail.reverse {
        direction: ltr;
    }

    .hero-title {
        font-size: 36px;
    }
}

@media (max-width: 576px) {
    .nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
        gap: 16px;
    }

    .nav.show {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .features-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .hero-btns {
        flex-direction: column;
    }

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

    .section-title h2,
    .product-hero h1,
    .contact-info h2 {
        font-size: 28px;
    }
}