/* ============ 友联交换程序 前台样式（深色主题，参照站群风格） ============ */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#3b82f6;--primary-d:#1d4ed8;--brand:#4972ed;
  --bg:#3d4557;--card:#1f2937;--card2:#111827;
  --text:#e5e7eb;--muted:#9ca3af;--line:#374151;
  --green:#10b981;--red:#f64341;--amber:#f59e0b;
}
html{background:#3d4557}
body{font-family:-apple-system,'PingFang SC','Microsoft YaHei','Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;min-height:100vh}
a{color:inherit}

/* 顶部导航：左首页 / 中LOGO / 右提交收录 */
.topbar{background:var(--card2);color:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 10px rgba(0,0,0,.35);border-bottom:3px solid var(--brand)}
.topbar-in{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 16px;height:56px;gap:12px}
.tb-home{color:#fff;text-decoration:none;font-size:14px;padding:6px 14px;border:1px solid rgba(255,255,255,.35);border-radius:6px;transition:.2s}
.tb-home:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6)}
.tb-logo{color:#fff;text-decoration:none;font-size:19px;font-weight:700;letter-spacing:.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-logo-img{height:32px;width:auto;max-width:180px;object-fit:contain;vertical-align:middle;display:inline-block}
.tb-apply{color:#fff;background:linear-gradient(135deg,#3d5ce0,#2563eb);text-decoration:none;font-size:14px;font-weight:600;padding:8px 18px;border-radius:6px;transition:.2s;white-space:nowrap}
.tb-apply:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(61,92,224,.4)}

.page{min-height:60vh}
.container{max-width:1200px;margin:0 auto;padding:16px 12px}
.narrow{max-width:620px}

/* 卡片 */
.card{background:var(--card);border-radius:10px;padding:14px;margin-bottom:14px;border:1px solid rgba(255,255,255,.08);box-shadow:0 1px 4px rgba(0,0,0,.2)}
.card h2{font-size:18px;margin-bottom:12px;color:#fff}
.card h3{font-size:16px;margin-bottom:10px;color:#fff}

/* 提示条 */
.alert{padding:12px 16px;border-radius:8px;margin-bottom:14px;font-size:14px;line-height:1.7}
.alert.ok{background:#10b9811f;color:#6ee7b7;border:1px solid #10b98133}
.alert.err{background:#f643411f;color:#fca5a5;border:1px solid #f6434133}
.alert.tip{background:#3b82f614;border-left:3px solid #3b82f6;color:#bfdbfe}
.muted{color:var(--muted);font-size:13px}

/* 广告区：一个大框（图片广告+文字广告），内分小框，网格多列 */
.ad-panel{background:var(--card);border-radius:10px;border:1px solid rgba(255,255,255,.08);box-shadow:0 1px 4px rgba(0,0,0,.2);overflow:hidden;margin-bottom:10px}
.ad-group{padding:10px 8px 8px}
.ad-group + .ad-group{border-top:1px solid rgba(255,255,255,.1)}
.icon-area{display:grid;grid-template-columns:repeat(10,1fr);gap:3px}
.text-area{display:grid;grid-template-columns:repeat(8,1fr);gap:3px}
.ad-icon{display:flex;align-items:center;justify-content:center;gap:4px;padding:6px 2px;border-radius:4px;text-decoration:none;color:#e5e7eb;transition:.15s;cursor:pointer;white-space:nowrap;min-width:0;overflow:hidden}
.ad-icon:hover{background:rgba(255,255,255,.1)}
.ad-icon img{width:60px;height:60px;object-fit:contain;border-radius:4px;flex-shrink:0}
.ad-icon span:not(.ad-empty-txt){display:none}
/* 虚位以待占位格 */
.ad-empty{flex-direction:column;gap:2px;border:1px dashed rgba(148,163,184,.35);color:#64748b;min-height:72px;padding:4px 0}
.ad-empty:hover{background:rgba(148,163,184,.08);border-color:rgba(147,197,253,.5);color:#93c5fd}
.ad-empty img{width:32px;height:32px;object-fit:contain;opacity:.85;flex-shrink:0}
.ad-empty-txt{font-size:.72rem;color:inherit}
.ad-text{padding:5px 10px;border-radius:4px;text-decoration:none;color:#e5e7eb;transition:.15s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:inline-flex;align-items:center;gap:6px}
.ad-text-ico{width:20px;height:20px;object-fit:contain;border-radius:3px;flex-shrink:0}
.ad-text:hover{background:rgba(255,255,255,.1)}
.ad-text b{font-weight:500}
.ad-text span{display:none}
@media(max-width:900px){
  .icon-area{grid-template-columns:repeat(5,1fr)}
  .text-area{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:480px){
  .icon-area{grid-template-columns:repeat(3,1fr)}
  .text-area{grid-template-columns:repeat(3,1fr)}
  .ad-group{padding:8px 4px 6px}
  .ad-icon,.ad-text{padding:4px 2px}
  .ad-icon span,.ad-text{font-size:.72rem;font-weight:600}
  .ad-icon img{width:40px;height:40px}
}

/* 友链分类区 */
.cat-block{background:var(--card);border-radius:10px;padding:8px 8px 6px;margin-bottom:12px;border:1px solid rgba(255,255,255,.08)}
.cat-header{display:flex;align-items:center;width:100%;margin-bottom:6px;padding-bottom:6px;border-bottom:1px solid rgba(255,255,255,.1)}
.cat-header h3{flex:1;font-size:.9rem;font-weight:600;color:#e5e7eb;margin:0}
.cat-count{background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;font-size:.65rem;font-weight:600;padding:3px 8px;border-radius:12px;min-width:24px;text-align:center}
.links-text-list{display:grid;grid-template-columns:repeat(9,1fr);gap:3px}
.yl-item{display:inline-flex;align-items:center;gap:4px;padding:5px 10px;border-radius:4px;text-decoration:none;color:#e5e7eb;transition:.15s;cursor:pointer;white-space:nowrap}
.yl-item:hover{background:rgba(255,255,255,.1)}
.yl-logo{width:20px;height:20px;object-fit:contain;border-radius:4px;flex-shrink:0;color:#e5e7eb}
.yl-name{font-size:.85rem;font-weight:500;overflow:hidden;text-overflow:ellipsis}
.yl-desc{display:none}
@media(max-width:900px){
  .links-text-list{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:480px){
  .links-text-list{grid-template-columns:repeat(4,1fr);gap:1px}
  .cat-block{padding:8px 4px 6px}
  .yl-item{padding:4px 2px}
  .yl-name{font-size:.72rem;font-weight:600;line-height:1.8;overflow:hidden;text-overflow:ellipsis;min-width:0}
  .cat-header h3{font-size:.75rem}
}

/* 最新提交（纯文字，一排4个，手机一排2个） */
.new-area h3{font-size:.9rem;font-weight:600;color:#e5e7eb;margin-bottom:10px}
.new-list{list-style:none;display:grid;grid-template-columns:repeat(10,1fr);gap:8px 12px;padding:0}
.new-list li{font-size:13px;color:#e5e7eb;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media(max-width:640px){.new-list{grid-template-columns:repeat(4,1fr)}}
.new-list .muted{margin-left:4px;color:var(--muted)}

/* 查询页统计卡片 */
/* 查询页顶部提示 */
.stat-notice{font-size:12px;color:var(--muted);margin-bottom:12px;padding:8px 12px;background:rgba(59,130,246,.08);border:1px solid rgba(255,255,255,.08);border-radius:8px;line-height:1.7}
.cards-row{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-bottom:16px}
@media(max-width:900px){.cards-row{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.cards-row{grid-template-columns:repeat(2,1fr)}}
.stat-card{background:var(--card);border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:16px;text-align:center}
.stat-num{font-size:26px;font-weight:700;color:#60a5fa;line-height:1.2;font-variant-numeric:tabular-nums}
.stat-label{font-size:12px;color:var(--muted);margin-top:4px}

/* 图谱（纯CSS柱状） */
.chart-grid{display:flex;gap:16px;align-items:flex-end;padding:10px 0 6px}
.chart-col{flex:1;text-align:center}
.chart-label{font-size:13px;color:var(--muted);margin-bottom:6px}
.bars{display:flex;align-items:flex-end;justify-content:center;gap:8px;height:120px}
.bar-bar{width:26px;background:#3b82f666;border-radius:4px 4px 0 0;position:relative;transition:.3s}
.bar-bar.bar-today{background:linear-gradient(180deg,#3b82f6,#1d4ed8)}
.bar-bar span{position:absolute;top:-20px;left:50%;transform:translateX(-50%);font-size:11px;color:#e5e7eb;font-weight:600}
.chart-legend{display:flex;gap:16px;justify-content:center;font-size:12px;color:var(--muted);margin-top:14px}
.chart-legend .lg{display:inline-flex;align-items:center;gap:5px}
.lg::before{content:'';display:inline-block;width:12px;height:12px;border-radius:3px}
.lg-y::before{background:#3b82f666}
.lg-t::before{background:#3b82f6}

/* 筛选栏 */
.filter-bar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:12px}
.filter-form{display:flex;gap:8px;flex-wrap:wrap}
.filter-form select,.filter-form input{padding:8px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;outline:none;background:var(--card2);color:#e5e7eb}
.filter-form select:focus,.filter-form input:focus{border-color:var(--primary)}
.count-info{font-size:13px;display:flex;gap:8px}
.pill{padding:3px 12px;border-radius:20px;font-size:12px;font-weight:600}
.pill-ok{background:#10b98126;color:#6ee7b7}
.pill-ban{background:#f6434126;color:#fca5a5}

/* 表格 */
.table-wrap{overflow-x:auto}
.tbl{width:100%;border-collapse:collapse;font-size:13px;min-width:900px}
.tbl th{background:var(--card2);color:#cbd5e1;font-weight:600;padding:10px 12px;text-align:left;border-bottom:2px solid var(--line);white-space:nowrap}
.tbl td{padding:10px 12px;border-bottom:1px solid rgba(255,255,255,.06);white-space:nowrap;color:#e5e7eb}
.tbl tr:hover td{background:rgba(255,255,255,.04)}
.site-link{color:#60a5fa;text-decoration:none;font-weight:600}
.site-link:hover{text-decoration:underline}
.site-key{display:block;font-size:11px;color:var(--muted)}
.tag{padding:2px 10px;border-radius:20px;font-size:12px;font-weight:600;white-space:nowrap}
.s-on{background:#10b98126;color:#6ee7b7}
.s-off{background:#374151;color:#9ca3af}
.s-wait{background:#f59e0b26;color:#fcd34d}
.s-no{background:#f6434126;color:#fca5a5}
.s-ban{background:#f6434126;color:#fca5a5}

/* 表单（提交/修改/广告申请） */
.form .f-row{margin-bottom:16px}
.form label{display:block;font-size:14px;color:#e2e8f0;margin-bottom:8px;font-weight:500}
.form input,.form select{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:8px;font-size:14px;outline:none;background:#f8fafc;color:#1f2937;transition:.2s}
.form input:focus,.form select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(59,130,246,.2)}
.form input::placeholder{color:#94a3b8}
.form select{cursor:pointer}
.f-inline{display:flex;gap:10px;align-items:center}
.cap-tip{color:#94a3b8;font-size:12px;line-height:1.6;display:block;margin-top:6px}
.radio-inline{display:flex;gap:16px;flex-wrap:wrap}
.radio-inline label{display:inline-flex;align-items:center;gap:6px;font-weight:400;cursor:pointer;margin:0}

/* 按钮 */
.btn{display:inline-block;padding:9px 20px;border:0;border-radius:8px;font-size:14px;cursor:pointer;text-decoration:none;transition:.2s;background:#374151;color:#e5e7eb}
.btn:hover{opacity:.9}
.btn.primary{background:linear-gradient(135deg,#3d5ce0,#2563eb);color:#fff;font-weight:600}
.btn.primary:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(61,92,224,.4)}
.btn.small{padding:7px 14px;font-size:13px}
.btn.big{width:100%;padding:14px;font-size:16px;font-weight:600}

/* 提交结果 */
.result-card{background:var(--card);border:1px solid #10b98133}
.kv{display:grid;grid-template-columns:1fr;gap:12px;margin:14px 0}
@media(min-width:560px){.kv{grid-template-columns:1fr 1fr}}
.kv label{font-size:12px;color:var(--muted);display:block;margin-bottom:4px}
.kv input{width:100%;padding:9px 12px;border:1px dashed #34d39966;background:var(--card2);border-radius:8px;font-size:14px;font-weight:600;color:#6ee7b7}
.tip{font-size:13px;color:#cbd5e1;margin-bottom:14px;line-height:1.7}

/* 收录规则 */
.rules{background:var(--card2);border:1px solid rgba(255,255,255,.08);border-radius:8px;padding:12px 16px;margin-bottom:16px}
.rules h3{font-size:14px;color:#e2e8f0;margin-bottom:6px}
.rules ol{padding-left:20px;font-size:13px;color:#cbd5e1}
.rules li{margin-bottom:4px}

/* 跳转页 */
.jump-card{text-align:center;padding:36px 24px;margin-top:30px}
.jump-card h2{font-size:22px;margin-bottom:10px;color:#fff}
.jump-url{color:var(--muted);word-break:break-all;margin-bottom:26px;font-size:13px}
.countdown{font-size:14px;color:var(--muted);margin-bottom:18px}
.countdown b{color:#60a5fa;font-size:20px}
.cap-box{text-align:center;padding:10px 0}
.cap-form{display:flex;gap:10px;justify-content:center;align-items:center;margin-top:12px}
.cap-q{font-size:18px;font-weight:700;color:#60a5fa}
.cap-form input{width:90px;padding:8px;border:1px solid var(--line);border-radius:8px;text-align:center;background:var(--card2);color:#e5e7eb}

/* 广告配额 */
.ad-quota{display:flex;gap:18px;flex-wrap:wrap;background:var(--card2);border:1px solid rgba(255,255,255,.08);border-radius:8px;padding:12px 16px;margin-bottom:16px;font-size:14px}
.ad-quota b{color:#60a5fa}

/* 底部 */
.footer{background:#111827;color:#9ca3af;text-align:center;padding:20px;font-size:13px;margin-top:30px;border-top:3px solid var(--brand)}
.footer-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 18px;margin-bottom:8px}
.footer-nav a{color:#e5e7eb;text-decoration:none;font-size:13px;transition:.2s}
.footer-nav a:hover{color:#60a5fa}
.footer .copyright{color:#6b7280;font-size:12px;margin-top:6px}

#yl-chart{background:linear-gradient(180deg,rgba(59,130,246,.04),transparent);border:1px solid var(--line);border-radius:14px;padding:16px 12px 10px;margin:12px 0 4px}
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 10px 8px;transition:border-color .2s}
.stat-card:hover{border-color:#3b82f6aa}
.sc-title{font-size:12px;color:var(--muted);margin-bottom:6px}
.sc-num{font-size:22px;font-weight:700;color:#e2e8f0;line-height:1;display:flex;align-items:baseline;gap:6px}
.sc-sub{font-size:11px;font-weight:400;color:var(--muted)}
.sc-diff{font-size:11px;color:var(--muted);margin:5px 0 6px;display:flex;align-items:center;gap:5px}
.sc-diff i{font-style:normal;font-weight:700}
.sc-diff.up{color:#34d399}
.sc-diff.down{color:#f87171}
.sc-diff.flat{color:#8b96ad}
@media(max-width:900px){.stat-cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.stat-cards{grid-template-columns:1fr}}
.lg-y{color:#94a3b8}
.lg-t{color:#93c5fd}

/* 表格排序 + 分页 */
th.sortable{cursor:pointer;user-select:none;white-space:nowrap}
th.sortable:hover{color:#93c5fd}
.pager{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:center;padding:14px 0 4px}
.pg-info{font-size:12px;color:var(--muted);margin-right:8px}
.pg-btn{background:var(--card2);border:1px solid var(--line);color:#cbd5e1;font-size:12px;padding:5px 10px;border-radius:7px;cursor:pointer;transition:.15s}
.pg-btn:hover:not(:disabled){border-color:#3b82f6;color:#93c5fd}
.pg-btn.on{background:linear-gradient(135deg,#3b82f6,#6366f1);border-color:transparent;color:#fff;font-weight:600}
.pg-btn:disabled{opacity:.4;cursor:default}
.pg-ellip{color:#46536f;padding:0 2px}

/* 首页自定义 HTML 框：独立大框样式（后台可开关，开=完整显示，关=完全为空） */
.home-html{background:var(--card);border-radius:10px;padding:14px 16px;margin:0 0 14px;border:1px solid rgba(255,255,255,.08);box-shadow:0 1px 4px rgba(0,0,0,.2)}
.home-html .hh-title{display:flex;align-items:center;font-size:.95rem;font-weight:600;color:#e5e7eb;margin:0 0 8px;padding-bottom:6px;border-bottom:1px solid rgba(255,255,255,.1)}
.home-html .hh-body{width:100%;box-sizing:border-box;font-size:.875rem;line-height:1.7;color:#c9cdd4;overflow-wrap:break-word}
.home-html .hh-body img{max-width:100%;height:auto;display:block}
.home-html .hh-body a{color:#4da3ff}
.home-html .hh-body p{margin:.3em 0}
@media(max-width:768px){.home-html{padding:12px 13px}}