/* ============================================
   慕像艺 MuPixArt — 官网样式
   现代 · 干净 · 深蓝品牌色
   ============================================ */

/* ----- Reset & Base ----- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, "Noto Sans SC", "Microsoft YaHei", sans-serif;
    color: #1e293b;
    line-height: 1.6;
    background: #ffffff;
    -webkit-font-smoothing: antialiased;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ----- Section Shared ----- */
.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
}

.section-tag {
    display: inline-block;
    background: #eef2ff;
    color: #1E3A5F;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 16px;
    color: #0f172a;
}

.section-header p {
    font-size: 16px;
    color: #64748b;
    line-height: 1.7;
}

/* ----- Navigation ----- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 68px;
}

.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.logo-cn {
    font-size: 22px;
    font-weight: 800;
    color: #1E3A5F;
}

.logo-en {
    font-size: 13px;
    font-weight: 400;
    color: #94a3b8;
    letter-spacing: 0.5px;
}

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

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: #475569;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: #1E3A5F;
}

/* ----- Hero ----- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 68px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #f0f4ff 0%, #e8edff 50%, #fdf2f8 100%);
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(30,58,95,0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99,102,241,0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding-top: 40px;
    padding-bottom: 80px;
}

.hero-content {
    max-width: 640px;
    margin-bottom: 48px;
}

.hero-badge {
    display: inline-block;
    background: rgba(30,58,95,0.08);
    color: #1E3A5F;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.hero-content h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    color: #0f172a;
}

.gradient-text {
    background: linear-gradient(135deg, #1E3A5F, #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: #64748b;
    line-height: 1.7;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: #1E3A5F;
    color: white;
}

.btn-primary:hover {
    background: #2d5a87;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(30,58,95,0.25);
}

.btn-ghost {
    background: transparent;
    color: #1E3A5F;
    border-color: #1E3A5F;
}

.btn-ghost:hover {
    background: #1E3A5F;
    color: white;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #1E3A5F;
    border: 2px solid #e2e8f0;
    width: 100%;
}

.btn-outline:hover {
    border-color: #1E3A5F;
    background: #f8fafc;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
    justify-content: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 22px;
    font-weight: 800;
    color: #1E3A5F;
}

.stat-label {
    font-size: 13px;
    color: #94a3b8;
}

.stat-divider {
    width: 1px;
    height: 36px;
    background: #e2e8f0;
}

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

.hero-image-frame {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.08);
    border: 1px solid rgba(0,0,0,0.04);
}

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

.hero-placeholder {
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #eef2ff 0%, #faf5ff 100%);
    border: 2px dashed #c7d2fe;
}

.hero-placeholder-content {
    text-align: center;
    padding: 40px;
}

.placeholder-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 16px;
}

.hero-placeholder-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1E3A5F;
    margin-bottom: 8px;
}

.hero-placeholder-content p {
    font-size: 15px;
    color: #64748b;
}

/* ----- Capabilities ----- */
.capabilities {
    padding: 100px 0;
    background: #ffffff;
}

.caps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.cap-card {
    padding: 32px 24px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.cap-card:hover {
    border-color: #1E3A5F;
    box-shadow: 0 8px 32px rgba(30,58,95,0.08);
    transform: translateY(-4px);
}

.cap-icon {
    font-size: 32px;
    margin-bottom: 16px;
}

.cap-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #0f172a;
}

.cap-card p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.7;
}

/* ----- Product ----- */
.product {
    padding: 100px 0;
    background: #f8faff;
}

.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.step-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.step-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 20px;
    background: white;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s;
}

.step-item:hover {
    border-color: #1E3A5F;
    box-shadow: 0 4px 20px rgba(30,58,95,0.06);
}

.step-num {
    font-size: 24px;
    font-weight: 800;
    color: #1E3A5F;
    line-height: 1;
    min-width: 36px;
}

.step-item h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
    color: #0f172a;
}

.step-item p {
    font-size: 13px;
    color: #64748b;
}

.product-modes {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mode-card {
    padding: 24px;
    background: white;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s;
}

.mode-card:hover {
    border-color: #1E3A5F;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(30,58,95,0.06);
}

.mode-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
    color: #0f172a;
}

.mode-card p {
    font-size: 14px;
    color: #64748b;
}

/* ----- Comparison ----- */
.comparison {
    padding: 100px 0;
    background: #ffffff;
}

.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.compare-card {
    padding: 32px 28px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.compare-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}

.compare-card ul {
    list-style: none;
}

.compare-card ul li {
    padding: 8px 0;
    font-size: 14px;
    color: #475569;
    border-bottom: 1px solid #f1f5f9;
}

.compare-card ul li:last-child {
    border-bottom: none;
}

.compare-vs {
    background: #fef2f2;
    border-color: #fecaca;
}

.compare-win {
    background: #f0fdf4;
    border-color: #bbf7d0;
}

/* ----- Pricing ----- */
.pricing {
    padding: 100px 0;
    background: #f8faff;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 960px;
    margin: 0 auto;
}

.pricing-card {
    text-align: center;
    padding: 40px 24px;
    background: white;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s;
    position: relative;
}

.pricing-card:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,0.06);
    transform: translateY(-4px);
}

.pricing-card.featured {
    border-color: #1E3A5F;
    box-shadow: 0 8px 32px rgba(30,58,95,0.1);
    transform: scale(1.05);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #1E3A5F;
    color: white;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 12px;
}

.pricing-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #0f172a;
}

.price {
    font-size: 14px;
    color: #94a3b8;
    margin-bottom: 8px;
}

.price .amount {
    font-size: 40px;
    font-weight: 800;
    color: #1E3A5F;
}

.price-desc {
    font-size: 13px;
    color: #94a3b8;
    margin-bottom: 24px;
}

.pricing-card .btn {
    width: 100%;
}

/* ----- Contact ----- */
.contact {
    padding: 100px 0;
    background: #ffffff;
}

.contact-card {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 48px 40px;
    background: #f8faff;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
}

.contact-card h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #0f172a;
}

.contact-card p {
    font-size: 15px;
    color: #64748b;
    margin-bottom: 32px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: #1E3A5F;
    font-weight: 500;
}

.contact-icon {
    font-size: 20px;
}

/* ----- Footer ----- */
.footer {
    padding: 48px 0;
    background: #0f172a;
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.footer-brand {
    text-align: center;
}

.footer-logo {
    font-size: 22px;
    font-weight: 800;
    color: white;
}

.footer-logo-en {
    font-size: 13px;
    color: #64748b;
    margin-left: 8px;
}

.footer-brand p {
    font-size: 13px;
    color: #475569;
    margin-top: 4px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 13px;
    color: #94a3b8;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: white;
}

.footer-copy p {
    font-size: 12px;
    color: #475569;
}

/* ----- Responsive ----- */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 32px;
    }

    .hero-content h1 {
        font-size: 36px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .nav-links {
        display: none;
    }

    .product-showcase {
        grid-template-columns: 1fr;
    }

    .compare-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: none;
    }

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