/* ===== 基础重置 ===== */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Microsoft YaHei", Arial, sans-serif;
    background: #f5f7fa;
    color: #333;
}

/* ===== Header ===== */
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: #ffffff;
    border-bottom: 1px solid #e6eaf0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.logo span {
    font-size: 1.05rem;
    font-weight: 600;
    color: #1e3c72;
}

nav a {
    margin-left: 1.5rem;
    text-decoration: none;
    font-size: 0.95rem;
    color: #555;
    transition: color 0.2s ease;
}

nav a:hover {
    color: #1e3c72;
}

/* ===== 页面头部 ===== */
.policy-header {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: #ffffff;
    text-align: center;
    padding: 3rem 1.5rem 4rem;
}

.policy-header h1 {
    margin: 0 0 0.6rem;
    font-size: 1.8rem;
    font-weight: 600;
}

.policy-header p {
    max-width: 720px;
    margin: 0 auto;
    font-size: 0.95rem;
    opacity: 0.9;
}

/* ===== 章节卡片容器 ===== */
.policy-container {
    max-width: 1100px;
    margin: -3rem auto 4rem;
    padding: 0 1.2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.6rem;
}

/* ===== 章节卡片 ===== */
.policy-card {
    background: #ffffff;
    border-radius: 18px;
    padding: 1.6rem 1.5rem 1.8rem;
    text-decoration: none;
    color: #333;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.policy-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.15);
}

/* 章节编号 */
.policy-card .chapter {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: #2a5298;
    margin-bottom: 0.5rem;
}

/* 章节标题 */
.policy-card h3 {
    margin: 0.3rem 0 0.6rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e3c72;
}

/* 描述文字 */
.policy-card p {
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.6;
    color: #666;
}

/* ===== 不可点击卡片样式 ===== */
.policy-card.disabled {
    pointer-events: none;
    opacity: 1;
    cursor: not-allowed;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: none;
    background: #f0f2f5;
    color: #999;
}

.policy-card.disabled h3,
.policy-card.disabled p,
.policy-card.disabled .chapter {
    color: #999;
}

/* ===== Footer ===== */
footer {
    background: #ffffff;
    border-top: 1px solid #e6eaf0;
    padding: 2rem 1rem;
    text-align: center;
    font-size: 0.85rem;
    color: #666;
}

footer p {
    margin: 0.4rem 0;
}

footer a {
    color: #1e3c72;
    text-decoration: none;
    margin: 0 0.3rem;
}

footer a:hover {
    text-decoration: underline;
}

/* ===== 分界线样式 ===== */
.chapter-divider {
    border: none;
    border-top: 2px solid #1e3c72;
    margin: 2em 0;
}

/* ===== chapter-content 样式 ===== */
.chapter-content {
    max-width: 900px;
    margin: 2rem auto;
    padding: 2rem;
    line-height: 1.8;
    color: #333;
    font-size: 1rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
    text-indent: 2em;
}

.chapter-content h2 {
    font-size: 1.5rem;
    color: #1e3c72;
    margin: 2rem 0 1rem;
}

.chapter-content h3 {
    font-size: 1.2rem;
    color: #2a5298;
    margin: 1.5rem 0 0.8rem;
}

.chapter-content h4 {
    font-size: 1.05rem;
    color: #333;
    margin: 1rem 0 0.5rem;
}

.chapter-content h5 {
    font-size: 0.95rem;
    color: #333;
    margin: 0.6rem 0 0.3rem;
}

.chapter-content p {
    margin: 0.6rem 0;
}

.chapter-content ul,
.chapter-content ol {
    margin: 0.8rem 0;
    padding-left: 1.5em;
    list-style-position: outside;
}

.chapter-content li {
    margin: 0.4rem 0;
}

/* ===== 经纪人专业判断训练说明区 ===== */
.agent-training-intro {
    max-width: 900px;
    margin: 2.5rem auto 3rem;
    padding: 1.4rem 1.2rem;
    background: transparent;
    border-top: 1px dashed #d9dee8;
    text-align: center;
}

.agent-training-intro h2 {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: #1e3c72;
}

.agent-training-intro p {
    margin: 0.3rem auto;
    max-width: 680px;
    font-size: 0.85rem;
    line-height: 1.6;
    color: #666;
}

.agent-training-intro .note {
    margin-top: 0.3rem;
    font-size: 0.78rem;
    color: #888;
}

.training-link {
    display: inline-block;
    margin-top: 0.8rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: #1e3c72;
    text-decoration: none;
    border-bottom: 1px solid rgba(30, 60, 114, 0.35);
    transition: color 0.25s ease, border-color 0.25s ease;
}

.training-link:hover {
    color: #2a5298;
    border-bottom-color: #2a5298;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .chapter-content { padding: 1.8rem; }
    .policy-container { gap: 1.2rem; }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 0.8rem;
    }

    nav a {
        margin-left: 0.8rem;
        margin-right: 0.8rem;
    }

    .policy-header h1 {
        font-size: 1.5rem;
    }

    .chapter-content {
        padding: 1.2rem;
        font-size: 0.95rem;
        margin: 1.5rem;
    }

    .chapter-content h2 { font-size: 1.3rem; }
    .chapter-content h3 { font-size: 1.1rem; }
    .chapter-content h4 { font-size: 1rem; }
    .chapter-content h5 { font-size: 0.95rem; }

    .chapter-content ul,
    .chapter-content ol {
        padding-left: 1.2em;
    }

    .policy-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    header { padding: 1rem; }
    .policy-header { padding: 2rem 1rem 3rem; }
    .chapter-content { padding: 1rem; margin: 1rem; }
    .policy-card { padding: 1.2rem 1rem 1.5rem; }
    .policy-card h3 { font-size: 1rem; }
    .policy-card p { font-size: 0.85rem; }
}