/* =============================================
   自动收录导航站 样式
   ============================================= */
:root {
    --brand: #2563eb;
    --brand-dark: #1d4ed8;
    --brand-light: #eff6ff;
    --accent: #f97316;
    --text: #1f2937;
    --text-sub: #6b7280;
    --border: #e5e7eb;
    --bg: #f6f7fb;
    --card-bg: #ffffff;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(0,0,0,.06);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background: var(--bg);
    font-size: 14px;
    line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { vertical-align: middle; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 16px; }
.container.narrow { max-width: 640px; }

/* ---------- 头部 ---------- */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--border);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}
.logo { display: flex; align-items: center; gap: 8px; }
.logo-mark {
    width: 30px; height: 30px;
    background: linear-gradient(135deg, var(--brand), #6366f1);
    color: #fff; border-radius: 8px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 15px; font-weight: 700;
}
.logo-text { font-size: 18px; font-weight: 700; color: var(--text); }
.main-nav { display: flex; gap: 4px; }
.main-nav a {
    padding: 6px 14px; border-radius: 8px; color: var(--text-sub);
    font-size: 14px;
}
.main-nav a:hover { color: var(--brand); background: var(--brand-light); }
.main-nav a.active { color: var(--brand); font-weight: 600; }
.main-nav a.apply-link { color: #fff; background: var(--brand); }
.main-nav a.apply-link:hover { background: var(--brand-dark); color: #fff; }

/* ---------- 搜索 ---------- */
.search-bar { background: #fff; border-bottom: 1px solid var(--border); padding: 12px 0; }
.search-form { display: flex; max-width: 720px; margin: 0 auto; }
.search-engine {
    border: 1px solid var(--border);
    border-right: 0;
    border-radius: 8px 0 0 8px;
    padding: 0 10px;
    background: var(--bg);
    color: var(--text-sub);
    outline: none;
}
.search-input {
    flex: 1; padding: 10px 14px;
    border: 1px solid var(--border);
    border-left: 0; border-right: 0;
    outline: none; font-size: 14px;
}
.search-btn {
    padding: 0 22px; border: 0;
    background: var(--brand); color: #fff;
    border-radius: 0 8px 8px 0; cursor: pointer; font-size: 14px;
}
.search-btn:hover { background: var(--brand-dark); }

/* ---------- 统计条 ---------- */
.stat-bar {
    display: flex; align-items: center; gap: 6px;
    background: #fff; border: 1px solid var(--border);
    border-radius: var(--radius); padding: 12px 18px; margin: 18px 0;
    box-shadow: var(--shadow);
}
.stat-item { color: var(--text-sub); }
.stat-item b { color: var(--brand); font-size: 16px; margin: 0 2px; }
.stat-sep { color: var(--border); }
.stat-right { margin-left: auto; color: var(--accent); font-size: 13px; }

/* ---------- 区块 ---------- */
.section { margin: 22px 0; }
.section-title {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 14px;
}
.section-title h2 { font-size: 17px; color: var(--text); }
.section-title::before {
    content: ""; width: 4px; height: 18px;
    background: var(--brand); border-radius: 2px;
}
.section-more { color: var(--text-sub); font-size: 13px; }

/* ---------- 站点网格 ---------- */
.site-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 10px;
}
.site-card {
    display: flex; align-items: center; gap: 8px;
    background: var(--card-bg); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 10px 12px;
    overflow: hidden; transition: all .15s;
}
.site-card:hover {
    border-color: var(--brand);
    box-shadow: 0 4px 12px rgba(37,99,235,.12);
    transform: translateY(-1px);
}
.site-card.top { border-left: 3px solid var(--accent); }
.site-favicon { width: 20px; height: 20px; border-radius: 4px; flex-shrink: 0; }
.site-name {
    flex: 1; font-size: 13px; color: var(--text);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.site-visit { font-size: 12px; color: var(--text-sub); flex-shrink: 0; }

/* ---------- 分类 ---------- */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
}
.category-card {
    display: flex; align-items: center; justify-content: space-between;
    background: var(--card-bg); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 12px 16px;
}
.category-card:hover { border-color: var(--brand); color: var(--brand); }
.cat-name { font-size: 14px; }
.cat-count { color: var(--text-sub); font-size: 12px; background: var(--bg); border-radius: 10px; padding: 1px 8px; }

/* ---------- 双栏 ---------- */
.two-col { display: grid; grid-template-columns: 1fr 280px; gap: 18px; margin-top: 18px; }
.col-side { }

/* ---------- 侧栏 ---------- */
.side-box { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; }
.side-box h3 { font-size: 15px; margin-bottom: 10px; }

/* ---------- 榜单 ---------- */
.rank-list { list-style: none; }
.rank-list li { border-bottom: 1px dashed var(--border); }
.rank-list li:last-child { border-bottom: 0; }
.rank-list a {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 0; font-size: 13px;
}
.rank-list a:hover span { color: var(--brand); }
.rank-list em {
    width: 20px; height: 20px; border-radius: 50%;
    background: var(--bg); color: var(--text-sub);
    display: inline-flex; align-items: center; justify-content: center;
    font-style: normal; font-size: 12px; flex-shrink: 0;
}
.rank-list li:nth-child(1) em { background: #fde68a; color: #92400e; }
.rank-list li:nth-child(2) em { background: #e5e7eb; color: #374151; }
.rank-list li:nth-child(3) em { background: #fdba74; color: #7c2d12; }
.rank-list span { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rank-list b { color: var(--accent); font-size: 12px; }
.rank-list.big a { padding: 10px 0; font-size: 14px; }
.rank-list.big em { width: 26px; height: 26px; }

/* ---------- 页面头 ---------- */
.page-head { margin: 20px 0; }
.page-head h1 { font-size: 22px; }
.page-head span { color: var(--text-sub); font-size: 13px; }

/* ---------- 详情 ---------- */
.detail-card {
    display: flex; gap: 20px; align-items: flex-start;
    background: #fff; border: 1px solid var(--border);
    border-radius: var(--radius); padding: 26px; margin-top: 20px;
}
.detail-favicon { width: 64px; height: 64px; border-radius: 12px; }
.detail-info h1 { font-size: 20px; margin-bottom: 6px; }
.detail-url { color: var(--brand); margin-bottom: 6px; word-break: break-all; }
.detail-meta { color: var(--text-sub); font-size: 13px; margin-bottom: 10px; }
.detail-desc { color: var(--text); background: var(--bg); border-radius: 8px; padding: 12px; margin-bottom: 16px; }
.btn-go {
    display: inline-block; background: var(--brand); color: #fff;
    padding: 10px 28px; border-radius: 8px; font-size: 15px;
}
.btn-go:hover { background: var(--brand-dark); }

/* ---------- 表单 ---------- */
.apply-form { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.apply-form label { display: block; margin: 14px 0 6px; font-weight: 600; }
.apply-form input, .apply-form select, .apply-form textarea {
    width: 100%; padding: 10px 12px;
    border: 1px solid var(--border); border-radius: 8px;
    font-size: 14px; outline: none; font-family: inherit;
}
.apply-form input:focus, .apply-form select:focus, .apply-form textarea:focus { border-color: var(--brand); }
.btn-submit {
    margin-top: 18px; width: 100%;
    background: var(--brand); color: #fff; border: 0;
    padding: 12px; border-radius: 8px; font-size: 15px; cursor: pointer;
}
.btn-submit:hover { background: var(--brand-dark); }

.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 14px; }
.alert.success { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }
.alert.error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

/* ---------- 关于 ---------- */
.about-body { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.about-body h3 { margin: 18px 0 8px; font-size: 16px; }
.about-body p { margin-bottom: 8px; }
.about-body ol { padding-left: 20px; margin-bottom: 8px; }
.about-body li { margin-bottom: 4px; }
.about-body a { color: var(--brand); }

/* ---------- 分页 ---------- */
.pagination { display: flex; justify-content: center; gap: 6px; margin: 22px 0; flex-wrap: wrap; }
.pagination a, .pagination span {
    min-width: 34px; height: 34px; padding: 0 8px;
    display: inline-flex; align-items: center; justify-content: center;
    background: #fff; border: 1px solid var(--border); border-radius: 8px;
    font-size: 13px; color: var(--text-sub);
}
.pagination a:hover { border-color: var(--brand); color: var(--brand); }
.pagination .cur { background: var(--brand); color: #fff; border-color: var(--brand); }

/* ---------- 页脚 ---------- */
.site-footer { margin-top: 30px; background: #fff; border-top: 1px solid var(--border); padding: 22px 0; }
.footer-inner { text-align: center; color: var(--text-sub); font-size: 13px; }
.footer-meta { margin-top: 6px; font-size: 12px; }
.footer-meta a { color: var(--text-sub); }

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
    .header-inner { flex-direction: column; height: auto; padding: 12px 16px; gap: 10px; }
    .two-col { grid-template-columns: 1fr; }
    .site-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
    .stat-right { display: none; }
}