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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --text-light: #9ca3af;
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-gray: #f3f4f6;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-white);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

.hradt-container-max-3p7w {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hradt-header-top-5x8n {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.hradt-header-flex-8d4k {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
}

.hradt-logo-zone-2t9m {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hradt-logo-h1-6n3x {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.hradt-logo-h1-6n3x a:hover {
    color: var(--secondary-color);
}

.hradt-domain-badge-4k8m {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.hradt-nav-main-7j2p {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.hradt-nav-list-5m9k {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.hradt-nav-list-5m9k a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    padding: 8px 0;
    position: relative;
}

.hradt-nav-list-5m9k a:hover,
.hradt-nav-active-8x3n {
    color: var(--primary-color) !important;
}

.hradt-nav-list-5m9k a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.hradt-nav-list-5m9k a:hover::after,
.hradt-nav-active-8x3n::after {
    width: 100%;
}

.hradt-btn-primary-8j4m {
    display: inline-block;
    padding: 14px 36px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.hradt-btn-primary-8j4m:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.45);
}

.hradt-btn-primary-8j4m:active {
    transform: translateY(-1px);
}

.hradt-btn-outline-3k9x {
    display: inline-block;
    padding: 12px 32px;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
}

.hradt-btn-outline-3k9x:hover {
    background: var(--primary-color);
    color: white;
}

.hradt-footer-main-6k9m {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
    padding: 60px 0 20px;
    position: relative;
    overflow: hidden;
}

.hradt-footer-wave-3j7x {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path d="M0,60 Q300,0 600,60 T1200,60 L1200,0 L0,0 Z" fill="%23ffffff"/></svg>') no-repeat;
    background-size: cover;
}

.hradt-footer-grid-8m4k {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 40px;
    margin-bottom: 40px;
}

.hradt-footer-heading-7k3x {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
}

.hradt-footer-links-4m9x {
    list-style: none;
}

.hradt-footer-links-4m9x li {
    margin-bottom: 12px;
}

.hradt-footer-links-4m9x a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    transition: all 0.3s ease;
}

.hradt-footer-links-4m9x a:hover {
    color: white;
    padding-left: 5px;
}

.hradt-footer-bottom-9k5m {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 40px;
    margin-top: 20px;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hradt-copyright-text-3j8x {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    text-align: center;
    line-height: 1.6;
    margin: 0 auto;
    display: block;
    width: 100%;
}

.hradt-section-header-4m7x {
    text-align: center;
    margin-bottom: 50px;
}

.hradt-section-title-9k3n {
    font-size: 40px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.hradt-section-subtitle-5j2m {
    font-size: 18px;
    color: var(--text-gray);
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}

.hradt-sub-heading-4w8k {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 30px;
    text-align: center;
}

.hradt-page-hero-4m9x {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    padding: 80px 0;
    text-align: center;
}

.hradt-page-heading-5j7m {
    font-size: 42px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.hradt-page-intro-9w2k {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.hradt-content-section-7k4m {
    padding: 80px 0;
}

.hradt-cta-box-9k6m {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    padding: 70px 50px;
    border-radius: 24px;
    text-align: center;
    margin-top: 100px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
}

.hradt-cta-box-9k6m h3 {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.hradt-cta-box-9k6m p {
    color: var(--text-gray);
    margin-bottom: 36px;
    font-size: 17px;
    line-height: 1.6;
    text-align: center;
}

.hradt-cta-buttons-3w7k {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hradt-header-flex-8d4k {
        flex-direction: column;
        gap: 20px;
    }

    .hradt-nav-list-5m9k {
        flex-wrap: wrap;
        gap: 16px;
        justify-content: center;
    }

    .hradt-section-title-9k3n {
        font-size: 28px;
    }

    .hradt-page-heading-5j7m {
        font-size: 32px;
    }

    .hradt-footer-grid-8m4k {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hradt-cta-box-9k6m {
        padding: 50px 30px;
        margin-top: 60px;
    }

    .hradt-cta-box-9k6m h3 {
        font-size: 28px;
    }

    .hradt-cta-box-9k6m p {
        font-size: 16px;
    }

    .hradt-footer-bottom-9k5m {
        padding-top: 30px;
    }
}

/* 全局增强 */
html {
    scroll-behavior: smooth;
}

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

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--text-light);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-gray);
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}