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

body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: #f8fafc;
    color: #0f172a;
    line-height: 1.5;
    scroll-behavior: smooth;
}

/* 容器公用 */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 头部样式 */
.header {
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(4px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 16px 0;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-area img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-weight: 700;
    font-size: 1.35rem;
    background: linear-gradient(135deg, #0b2b5c, #1e4a76);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    letter-spacing: -0.3px;
}

.nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
    flex-wrap: wrap;
}

.nav-links a {
    text-decoration: none;
    font-weight: 500;
    color: #1e293b;
    transition: color 0.2s;
    font-size: 1rem;
}

.nav-links a:hover {
    color: #2563eb;
}

.nav-cta {
    background: #2563eb;
    color: white !important;
    padding: 8px 18px;
    border-radius: 40px;
    font-weight: 600;
    transition: background 0.2s, transform 0.1s;
}

.nav-cta:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
}

/* Hero 区域 */
.hero {
    background: linear-gradient(135deg, #eef2ff 0%, #ffffff 100%);
    padding: 64px 0 56px;
    border-bottom: 1px solid #e2e8f0;
}

.hero-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 28px;
}

.hero-badge {
    background: #dbeafe;
    color: #1e40af;
    padding: 6px 16px;
    border-radius: 40px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
}

.hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #0f2b3d, #2563eb);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    color: #334155;
    max-width: 680px;
    margin: 0 auto;
}

.hero-buttons {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn-primary {
    background: #2563eb;
    color: white;
    border: none;
    padding: 12px 32px;
    border-radius: 48px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3);
}

.btn-outline {
    background: transparent;
    border: 1px solid #2563eb;
    color: #2563eb;
    padding: 12px 32px;
    border-radius: 48px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-outline:hover {
    background: #eff6ff;
    transform: translateY(-1px);
}

/* 执照分类区域 */
.section {
    padding: 72px 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-sub {
    text-align: center;
    color: #475569;
    max-width: 700px;
    margin: 0 auto 48px auto;
    font-size: 1.1rem;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.license-card {
    background: white;
    border-radius: 28px;
    padding: 28px 24px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #eef2ff;
}

.license-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 25px 35px -12px rgba(0, 0, 0, 0.15);
    border-color: #bfdbfe;
}

.card-icon {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.license-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.license-badge {
    display: inline-block;
    background: #e0f2fe;
    color: #0369a1;
    padding: 4px 12px;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.license-desc {
    color: #334155;
    margin: 16px 0;
    font-size: 0.95rem;
}

.feature-list {
    list-style: none;
    margin: 20px 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: #2c3e66;
}

.feature-list li::before {
    content: "✓";
    color: #2563eb;
    font-weight: bold;
    font-size: 1rem;
}

.card-cta {
    margin-top: 20px;
    display: inline-block;
    font-weight: 600;
    color: #2563eb;
    text-decoration: none;
    border-bottom: 1px dashed #2563eb;
    cursor: pointer;
}

/* 优势区域 */
.advantages {
    background: #ffffff;
    border-top: 1px solid #eef2ff;
    border-bottom: 1px solid #eef2ff;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-top: 20px;
}

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

.advantage-icon {
    font-size: 2.6rem;
    margin-bottom: 16px;
}

.advantage-item h4 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.advantage-item p {
    color: #475569;
    font-size: 0.9rem;
}

/* 表单区域 */
.form-section {
    background: linear-gradient(120deg, #f1f5f9 0%, #ffffff 100%);
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 40px 32px;
    border-radius: 32px;
    box-shadow: 0 20px 35px -12px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: #0f172a;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 14px 18px;
    font-size: 1rem;
    border: 1px solid #cbd5e1;
    border-radius: 20px;
    transition: 0.2s;
    background: #fefefe;
}

.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.btn-submit {
    width: 100%;
    background: #0f2b3d;
    color: white;
    border: none;
    padding: 14px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 40px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-submit:hover {
    background: #1e4a76;
    transform: scale(0.98);
}

.form-note {
    font-size: 0.8rem;
    text-align: center;
    margin-top: 20px;
    color: #5b6e8c;
}

/* 页脚 */
.footer {
    background: #0b1f2e;
    color: #cbd5e1;
    padding: 40px 0 24px;
    text-align: center;
}

.footer a {
    color: #94a3b8;
    text-decoration: none;
}

/* 响应式 */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    .hero h1 {
        font-size: 1.9rem;
    }
    .hero p {
        font-size: 1rem;
    }
    .section {
        padding: 48px 0;
    }
    .section-title {
        font-size: 1.7rem;
    }
    .header .container {
        flex-direction: column;
        text-align: center;
    }
    .nav-links {
        justify-content: center;
        gap: 20px;
    }
    .license-card h3 {
        font-size: 1.4rem;
    }
    .form-container {
        padding: 28px 20px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    .btn-primary, .btn-outline {
        width: 100%;
        text-align: center;
    }
}