/* ─── 基础重置 ─── */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.8;
    color: #333;
    background: #fff;
}
a { color: #1e6fdb; text-decoration: none; }
a:hover { color: #f60; text-decoration: underline; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

/* ─── 顶部 ─── */
.top-nav {
    background: #2a6ec1;
    color: #fff;
    padding: 14px 0;
    margin-bottom: 20px;
}
.top-nav .wrap { display: flex; align-items: baseline; gap: 16px; }
.top-nav .logo { color: #fff; font-size: 20px; font-weight: bold; }
.top-nav .tag { color: #cce0f7; font-size: 12px; }

/* ─── 面包屑 ─── */
.crumb {
    color: #666;
    font-size: 13px;
    padding: 8px 0;
    border-bottom: 1px solid #eee;
    margin-bottom: 16px;
}
.crumb a { color: #1e6fdb; }

/* ─── 标题 ─── */
h1 {
    font-size: 22px;
    font-weight: bold;
    color: #222;
    padding: 8px 0 16px;
    border-bottom: 2px solid #2a6ec1;
    margin-bottom: 20px;
}
h2 {
    font-size: 17px;
    font-weight: bold;
    color: #222;
    margin: 24px 0 12px;
    padding-left: 10px;
    border-left: 4px solid #2a6ec1;
}
.to-tip { color: #f60; font-weight: normal; font-size: 15px; }

/* ─── 描述 ─── */
.desc {
    color: #666;
    margin-bottom: 18px;
    font-size: 13px;
}

/* ─── 城市行（A/B/C 那种） ─── */
.city-line {
    padding: 8px 0;
    border-bottom: 1px dashed #eee;
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 4px 14px;
}
.city-line .letter-tag {
    display: inline-block;
    min-width: 22px;
    color: #2a6ec1;
    font-weight: bold;
    font-size: 14px;
}
.city-link {
    color: #1e6fdb;
    font-size: 14px;
    margin-right: 6px;
}
.city-link:hover { color: #f60; }
.city-link.disabled {
    color: #999;
    cursor: default;
    text-decoration: none;
}
.city-link.disabled:hover { color: #999; text-decoration: none; }
.city-plain { color: #555; }

/* ─── 搜索框 ─── */
.search-box {
    background: #f5f8fc;
    padding: 16px;
    border: 1px solid #d8e2f0;
    border-radius: 4px;
    margin: 16px 0 24px;
}
.search-box form {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.search-box .ipt {
    flex: 1;
    min-width: 140px;
    padding: 8px 12px;
    border: 1px solid #ccc;
    border-radius: 3px;
    font-size: 14px;
}
.search-box .ipt:focus { outline: none; border-color: #2a6ec1; }
.search-box .arr { color: #999; font-size: 16px; }
.search-box .btn {
    padding: 8px 24px;
    background: #2a6ec1;
    color: #fff;
    border: 0;
    border-radius: 3px;
    font-size: 14px;
    cursor: pointer;
}
.search-box .btn:hover { background: #1e5aa3; }
.search-box-large .ipt { padding: 10px 14px; font-size: 15px; }
.search-box-large .btn { padding: 10px 28px; font-size: 15px; }

/* ─── 搜索结果 ─── */
.no-result {
    background: #fffbe8;
    border: 1px solid #ffe58f;
    color: #874c00;
    padding: 12px 16px;
    border-radius: 3px;
    margin: 16px 0;
}
.no-result a { font-weight: bold; }

/* ─── 底部 ─── */
.footer {
    background: #f5f5f5;
    border-top: 1px solid #ddd;
    padding: 24px 0;
    margin-top: 40px;
    color: #888;
    text-align: center;
    font-size: 12px;
}
.footer p { padding: 4px 0; }

/* ─── 省份列表（首页 + 城市页） ─── */
.city-num {
    color: #888;
    font-size: 12px;
    margin-left: 4px;
}
.city-empty {
    color: #999;
}
.city-empty:hover { color: #f60; }
.empty-tip {
    color: #bbb;
    font-size: 12px;
    margin-left: 4px;
    padding: 1px 6px;
    background: #f5f5f5;
    border-radius: 2px;
    border: 1px solid #e8e8e8;
}