/* AI卡位官网基础样式 — 占位文件，后续根据品牌视觉完善 */

:root {
    --color-primary: #1a1a2e;
    --color-accent: #e94560;
    --color-bg: #ffffff;
    --color-text: #333333;
    --color-muted: #666666;
    --color-border: #e0e0e0;
    --max-width: 720px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.8;
}

.site-header {
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 2rem;
}

.site-header .logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.page-content {
    max-width: var(--max-width);
    margin: 2rem auto;
    padding: 0 1.5rem;
}

h1 { font-size: 1.8rem; margin-bottom: 1.5rem; color: var(--color-primary); }
h2 { font-size: 1.3rem; margin: 2rem 0 1rem; color: var(--color-primary); }
h3 { font-size: 1.1rem; margin: 1rem 0 0.5rem; }

p { margin-bottom: 1rem; }

.hero-answer p {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--color-text);
}

.context-block {
    background: #f8f9fa;
    border-left: 3px solid var(--color-accent);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
}

.key-points ul { list-style: none; padding: 0; }
.key-points li {
    padding: 0.5rem 0;
    padding-left: 1.2rem;
    position: relative;
}
.key-points li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.95rem;
}
th, td {
    border: 1px solid var(--color-border);
    padding: 0.75rem;
    text-align: left;
}
th { background: var(--color-primary); color: #fff; font-weight: 600; }

.faq-item { margin: 1.5rem 0; }
.faq-item h3 { color: var(--color-primary); }
.faq-item p { color: var(--color-muted); }

.internal-links ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.internal-links a {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    text-decoration: none;
    color: var(--color-primary);
    font-size: 0.9rem;
}
.internal-links a:hover { border-color: var(--color-accent); color: var(--color-accent); }

.cta {
    background: var(--color-primary);
    color: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 2rem 0;
    text-align: center;
}

.last-updated { font-size: 0.85rem; color: var(--color-muted); margin-top: 2rem; }

.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 1.5rem 2rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-muted);
}