/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-white);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
}

.section {
    padding: var(--section-padding);
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-label {
    font-size: 12px;
    color: var(--primary);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
    font-weight: 500;
}

.section-title {
    font-size: 36px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 48px;
    letter-spacing: -0.5px;
}