/* ============================================================
   base.css - 全局重置 & 基础样式
   ============================================================ */

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: #fafbfc;
    color: #1e2a3a;
    line-height: 1.5;
    scroll-behavior: smooth;
}

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

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    color: #1f2a3f;
    margin-bottom: 1.5rem;
    border-left: 4px solid #9aaec2;
    padding-left: 1rem;
}

.section-sub {
    color: #6a7f94;
    font-weight: 300;
    margin-bottom: 2rem;
    font-size: 1rem;
}