:root{
  --primary:#0071e3; --primary-d:#005bb5;
  --bg:#f5f5f7; --card:#ffffff; --text:#1d1d1f; --sub:#6e6e73;
  --border:#e8e8ed; --line:#ececf0;
  --ok:#34c759; --danger:#ff3b30; --warn:#ff9500;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{overflow-x:hidden}
body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro SC","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;font-size:15px}
a{color:var(--primary);text-decoration:none}

/* 导航 */
.nav{background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}
.nav-inner{max-width:1000px;margin:0 auto;padding:12px 18px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.nav .brand{font-weight:700;font-size:17px;display:flex;flex-direction:column;line-height:1.1;margin-right:8px}
.brand-name{color:#000;letter-spacing:.5px}
.brand-sub{font-size:10px;color:var(--sub);font-weight:400}
.nav a{color:var(--text);font-size:14px;opacity:.85}
.nav a:hover{opacity:1}
.spacer{flex:1}

.wrap{max-width:1000px;margin:0 auto;padding:24px 16px 48px}

/* 标题层级 */
h1{font-size:26px;font-weight:700;letter-spacing:-.02em}
h2{font-size:19px;font-weight:600;margin-bottom:10px}
.sub{color:var(--sub);font-size:13.5px;margin:6px 0 18px}

.card{background:var(--card);border-radius:var(--radius);padding:24px;
  box-shadow:0 4px 20px rgba(0,0,0,.04);margin-bottom:26px}

/* 公告横幅 */
.ann{background:linear-gradient(90deg,#eef6ff,#f7fbff);border:1px solid #d6e9ff;
  border-radius:var(--radius);padding:14px 18px;margin-bottom:14px}
.ann h3{font-size:15px;color:var(--primary-d);margin-bottom:4px}
.ann p{font-size:13.5px;color:var(--text)}
.ann .time{font-size:12px;color:var(--sub);margin-top:4px}

/* 表单 */
input,textarea,select{width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:10px;
  font-size:15px;margin-bottom:6px;background:#fff;font-family:inherit}
input:focus,textarea:focus{outline:none;border-color:var(--primary)}
input.err{border-color:var(--danger);background:#fff5f5}
input.ok{border-color:var(--ok)}
.field-msg{font-size:12.5px;margin:0 0 10px;min-height:16px}
.field-msg.err{color:var(--danger)}
.field-msg.ok{color:var(--ok)}

.btn{display:inline-block;background:var(--primary);color:#fff;border:none;padding:11px 20px;
  border-radius:10px;font-size:14.5px;cursor:pointer}
.btn:hover{background:var(--primary-d)}
.btn.small{padding:5px 12px;font-size:12.5px;border-radius:8px}
.btn.gray{background:#ececf0;color:var(--text)}
.btn.danger{background:var(--danger)}
.btn.block{width:100%}

.flash{background:#fff3e0;border:1px solid #ffd9a8;color:#9a5b00;padding:11px 15px;border-radius:10px;margin-bottom:14px;font-size:14px}
.flash.err{background:#fdeceb;border-color:#ffc7c4;color:#c0392b}

/* 信息展示：统一字号与对齐 */
.detail{border:1px solid var(--line);border-radius:12px;overflow:hidden}
.detail .row{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line);gap:12px}
.detail .row:last-child{border-bottom:none}
.detail .k{color:var(--sub);font-size:13.5px;flex:0 0 96px}
.detail .v{font-size:15px;font-weight:500;text-align:right;word-break:break-all}
.result-big{font-size:19px;font-weight:600;color:var(--primary);padding:16px 4px}

/* 统计卡片 */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.stat{background:var(--card);border-radius:var(--radius);padding:20px;text-align:center}
.stat .num{font-size:28px;font-weight:700;color:var(--primary)}
.stat .lab{color:var(--sub);font-size:13px;margin-top:4px}

/* 表格：外层横向滚动，手机不超屏 */
.table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:10px;border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:560px}
th,td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;white-space:nowrap}
th{color:var(--sub);font-weight:600;background:#fafafa;position:sticky;top:0}
tr:last-child td{border-bottom:none}
td code{font-size:12px;background:#f4f4f6;padding:1px 5px;border-radius:5px}

.badge{padding:2px 9px;border-radius:6px;font-size:12px;display:inline-block}
.badge.on{background:#e8f9ed;color:var(--ok)}
.badge.off{background:#fdeceb;color:var(--danger)}
.pill{display:inline-block;background:#e8f9ed;color:var(--ok);padding:2px 9px;border-radius:6px;font-size:12px}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--danger);margin-right:5px}
.notif-unread{font-weight:700;background:#fff5f5}

/* 分页 */
.pager{display:flex;gap:8px;align-items:center;margin-top:14px;flex-wrap:wrap;font-size:13.5px}
.pager a,.pager span{padding:5px 11px;border-radius:8px;border:1px solid var(--border);background:#fff}
.pager .cur{background:var(--primary);color:#fff;border-color:var(--primary)}

.muted{color:var(--sub);font-size:12.5px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.act-form{display:inline}

/* 移动端适配 */
@media (max-width:640px){
  h1{font-size:22px}
  .card{padding:16px;border-radius:12px}
  .nav-inner{gap:10px;font-size:13px}
  .detail .row{padding:10px 12px}
  .detail .k{flex:0 0 80px;font-size:12.5px}
  .detail .v{font-size:14px}
  table{font-size:12.5px;min-width:480px}
  th,td{padding:7px 9px}
  .stat .num{font-size:22px}
}

/* ============ v1.2 IP 检测报告组件 ============ */
.rpt{background:var(--card);border-radius:var(--radius);box-shadow:0 4px 20px rgba(0,0,0,.04);overflow:hidden;margin-bottom:26px}
.rpt-head{padding:28px 24px 8px}
.rpt-myip{color:var(--ok);font-weight:700;font-size:13px;letter-spacing:.12em}
.rpt-title{font-size:34px;font-weight:800;color:#000;letter-spacing:-.02em;margin:6px 0}
.rpt-desc{color:var(--sub);font-size:14px}
.rpt-hero{padding:18px 24px}
.rpt-hero-loc{display:inline-block;background:#f4f4f6;border:1px solid var(--line);
  border-radius:10px;padding:10px 16px;font-size:17px;font-weight:600;color:#000}
.rpt-status{display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:12px 24px;border-top:1px solid var(--line);font-size:14px;color:#000;flex-wrap:wrap}
.rpt-recheck{color:var(--primary);font-size:14px;white-space:nowrap}
.rpt-block{display:flex;align-items:center;gap:16px;padding:18px 24px;border-bottom:1px solid var(--line);
  border-left:3px solid transparent;flex-wrap:wrap}
.rpt-block:last-of-type{border-left-color:#f5c542}
.rpt-block.is-missing .rpt-ip{color:var(--sub);font-size:18px}
.rpt-tag{flex:0 0 auto;padding:4px 12px;border-radius:8px;font-size:13px;font-weight:600}
.tag-v4{background:#e8f9ed;color:#1a7f37}
.tag-v6{background:#fef3d7;color:#9a6b00}
.rpt-ip{font-size:30px;font-weight:700;color:#000;letter-spacing:-.01em;word-break:break-all;line-height:1.2}
.rpt-copy{border:1px solid var(--border);background:#fff;border-radius:8px;padding:4px 10px;
  font-size:12.5px;cursor:pointer;color:#000}
.rpt-copy:hover{background:#f4f4f6}
.rpt-hint{display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:16px 24px;border-top:1px solid var(--line);flex-wrap:wrap;font-size:13.5px;color:var(--sub)}
.rpt-fullbtn{background:#e8f9ed;color:#1a7f37;border:1px solid #bfe6c8;border-radius:9px;
  padding:8px 16px;font-size:14px;white-space:nowrap}
.rpt-subrow{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 24px;flex-wrap:wrap}
.rpt-badges{display:flex;gap:10px}
.rpt-badge{padding:6px 14px;border:1px solid #bfe6c8;background:#f2fbf4;color:#1a7f37;
  border-radius:9px;font-size:13px;font-weight:600}
.rpt-full{color:var(--primary);font-size:14px;white-space:nowrap}

.rpt-fields{padding:0 24px}
.rpt-field{display:flex;align-items:center;gap:16px;padding:16px 0;border-top:1px solid var(--line);
  font-size:15px;color:#000}
.rpt-name{flex:0 0 170px;color:#000;font-size:15px}
.rpt-value{flex:1;color:#000;font-size:15px;font-weight:500;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.rpt-tags{margin-left:auto;display:flex;gap:8px}
.mini-tag{padding:3px 10px;border-radius:7px;font-size:12px;border:1px solid var(--border);color:#000}
.rpt-value .hl{color:var(--primary);font-weight:600}
.rpt-note{font-size:12.5px;color:var(--sub);border:1px solid var(--border);border-radius:7px;padding:2px 8px;font-weight:400}
.rpt-localtime{font-size:12.5px;color:var(--sub);font-weight:400}

.rpt-fullbox{padding:20px 24px;border-top:1px solid var(--line);background:#fafafa}
.rpt-fullbox h3{font-size:15px;margin-bottom:10px;color:#000}

@media (max-width:640px){
  .rpt-head{padding:18px 16px 4px}
  .rpt-title{font-size:24px}
  .rpt-hero{padding:14px 16px}
  .rpt-status{padding:10px 16px}
  .rpt-block{padding:14px 16px}
  .rpt-ip{font-size:20px}
  .rpt-hint{padding:12px 16px}
  .rpt-fields{padding:0 16px}
  .rpt-field{flex-wrap:wrap;gap:6px}
  .rpt-name{flex:0 0 100%;font-size:13px}
  .rpt-value{font-size:14px}
  .rpt-subrow{padding:12px 16px}
}

/* v1.3 Claude 检测页 */
.progress{background:var(--line);border-radius:99px;height:10px;margin:10px 0;overflow:hidden}
.progress-bar{background:var(--ok);height:100%;border-radius:99px;transition:width .5s}
.mod-list{display:flex;flex-direction:column;gap:8px}
.mod{display:flex;justify-content:space-between;padding:10px 14px;border:1px solid var(--line);border-radius:10px;font-size:14px}
.mod-state{color:var(--sub)}
details.card summary{cursor:pointer;font-weight:600;color:#000}
details.card p{margin-top:10px}
.result-big{font-size:22px;font-weight:700;color:#000;margin-top:10px}
#conclusion-banner{font-size:15px;color:#000}

/* v1.5 配置页按钮行 + claude 四卡片间距 */
.config-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:16px}
.config-check{display:flex;align-items:center;gap:6px;font-size:14px;color:#000}
#claude-page-grid,.claude-mod-grid{margin-bottom:18px}

/* v1.8 双栈可切换地址块 */
.rpt-addrs{display:flex;flex-direction:column;gap:14px;margin:14px 0}
.rpt-addr{display:flex;align-items:center;gap:10px;max-width:420px;
  padding:14px 16px;border:2px solid var(--line);border-radius:12px;cursor:pointer;background:#fff}
@media(max-width:600px){.rpt-addr{max-width:100%}}
.rpt-addr.on{border-color:var(--ok);box-shadow:0 0 0 3px rgba(40,167,69,.12)}
.rpt-addr.off{opacity:.5;cursor:not-allowed}
.rpt-addr.off .rpt-ip{color:var(--sub)}
.rpt-addrs .rpt-ip{font-size:18px;color:#000;word-break:break-all}
.rpt-fullbox h4{color:#000;margin:12px 0 6px}
@media(max-width:600px){.rpt-addrs .rpt-ip{font-size:15px}}