/* 基础层：变量与全局重置，供首页 index3 等使用 */
:root {
    --search-bg: #f5f6f8;
    --search-card-bg: #fff;
    --search-text: #1a1a1a;
    --search-text-secondary: #5f6368;
    --search-primary: #1a73e8;
    --search-primary-hover: #1765cc;
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--search-bg);
    color: var(--search-text);
    margin: 0;
    min-height: 100vh;
    padding: 0;
    -webkit-text-size-adjust: 100%;
}