/* ================== 全局变量与基础 ================== */
:root {
    --main-color: #c98c68; /* 咖啡色主色 */
    --warm-beige: #f7f1eb;
    --light-beige: #faf7f4;
    --border-color: #e2d5c9;
    --text-title: #82573c;
    --text-body: #5c4433;
    --text-light: #757575;
}
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
body {
    background: var(--light-beige);
    color: var(--text-body);
    font-family: system-ui, "Microsoft Yahei", sans-serif;
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
a { text-decoration: none; color: inherit; }

/* ================== 顶部栏 ================== */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--main-color);
}
.topbar-left { display: flex; align-items: center; gap: 10px; }
.logo-img { height: 28px; width: auto; border-radius: 4px; }
.logo {
    width: 28px; height: 28px; border-radius: 4px; background: #fff;
    color: var(--main-color); font-weight: bold; font-size: 16px;
    display: flex; align-items: center; justify-content: center;
}
.divider { width: 1px; height: 24px; background: rgba(255,255,255,0.4); }
.name-wrap .name { font-size: 18px; font-weight: bold; color: #fff; }
.topbar-service a {
    color: #fff; font-size: 14px; padding: 4px 12px;
    border: 1px solid rgba(255,255,255,0.6); border-radius: 20px;
}

/* ================== 搜索栏 ================== */
.base-search-form {
    padding: 10px 16px;
    background: #fff;
    border-bottom: 1px solid var(--border-color);
}
.base-search-form form {
    display: flex; gap: 8px; max-width: 1200px; margin: 0 auto;
}
.base-search-form select,
.base-search-form input {
    padding: 8px 10px; border: 1px solid var(--border-color);
    border-radius: 6px; font-size: 14px; outline: none; color: var(--text-body);
}
.base-search-form select { flex: 1; max-width: 100px; }
.base-search-form input { flex: 2; }
.base-search-form .btn {
    padding: 8px 16px; background: var(--main-color); color: #fff;
    border: none; border-radius: 6px; font-size: 14px; cursor: pointer;
}

/* ================== 导航栏 ================== */
.navbar {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 16px; background: var(--warm-beige);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto; /* 手机端允许横向滑动 */
    white-space: nowrap;
}
.navbar::-webkit-scrollbar { display: none; }
.navbar a {
    display: inline-block; padding: 6px 14px;
    border: 1px solid var(--border-color); border-radius: 20px;
    background: #fff; font-size: 14px; color: var(--text-body);
    transition: all 0.2s;
}
.navbar a.active, .navbar a:hover {
    background: var(--main-color); color: #fff; border-color: var(--main-color);
}

/* ================== 内容区与卡片 ================== */
.wrap { flex: 1; max-width: 1200px; margin: 0 auto; padding: 10px 16px; width: 100%; }
.card { background: #fff; border-radius: 12px; padding: 12px; margin-bottom: 12px; box-shadow: 0 2px 8px rgba(0,0,0,0.03); }
.card h3 {
    background: var(--main-color); color: #fff; margin: 0 0 12px 0;
    padding: 8px 12px; border-radius: 6px; font-size: 16px; font-weight: normal;
}

/* 网格布局（热点/基地列表） */
.grid {
    display: grid; gap: 12px;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.item {
    border: 1px solid var(--border-color); border-radius: 8px;
    overflow: hidden; background: var(--warm-beige);
    display: flex; flex-direction: column;
}
.item .thumb { height: 160px; background: #f0e7df; overflow: hidden; }
.item .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.item .info { padding: 10px; flex: 1; }
.item .info h3 { background: none; color: var(--text-title); margin: 0 0 6px 0; padding: 0; font-size: 16px; font-weight: bold; }
.item .info p { font-size: 13px; color: var(--text-light); margin: 0; }
.tag { background: var(--main-color); color: #fff; padding: 2px 6px; border-radius: 4px; font-size: 12px; margin-right: 6px; }

/* 分类入口 */
.entry { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.entry a {
    display: block; text-align: center; padding: 12px 0;
    border: 1px solid var(--border-color); border-radius: 8px;
    background: var(--warm-beige); color: var(--text-body); font-size: 14px;
}

/* 按钮类 */
.btn-block {
    display: block; text-align: center; padding: 10px; border-radius: 8px;
    background: #f0e7df; color: var(--text-title); border: 1px solid var(--main-color);
    margin-top: 12px; font-size: 15px;
}

/* ================== 底部导航 ================== */
.footbar {
    display: flex; justify-content: space-around; align-items: center;
    background: #fff; border-top: 1px solid var(--border-color);
    padding: 6px 0 8px 0; position: sticky; bottom: 0; z-index: 100;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
}
.footbar a {
    display: flex; flex-direction: column; align-items: center;
    color: var(--text-light); font-size: 11px; gap: 4px;
}
.footbar a.active { color: var(--main-color); }
.footbar .ico { font-size: 20px; line-height: 1; }
.copyright-text { text-align: center; padding: 12px; color: #aaa; font-size: 12px; background: var(--warm-beige); }

/* ================== 📱 手机端专属优化 ================== */
@media screen and (max-width: 768px) {
    .grid { grid-template-columns: 1fr 1fr; gap: 10px; } /* 手机端强制双列 */
    .item .thumb { height: 110px; } /* 图片变矮 */
    .item .info { padding: 8px; }
    .item .info h3 { font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .item .info p { font-size: 12px; }
    .tag { font-size: 11px; padding: 1px 4px; }
    
    .entry { grid-template-columns: 1fr 1fr; gap: 8px; } /* 分类入口 2x2 排列 */
    .entry a { padding: 10px 0; }
    
    .wrap { padding: 10px; }
    .card { padding: 10px; margin-bottom: 10px; }
    .card h3 { font-size: 15px; padding: 6px 10px; }
    
    .base-search-form { padding: 8px 10px; }
    .base-search-form select { max-width: 90px; }
    
    /* 轮播图在手机上比例 */
    .slider-item img { aspect-ratio: 16/9; }
}