/* ============================================================
   IP雷达 - IP查询工具站 全局样式（红色主题 · 简洁大气 · 自适应）
   主题切换：body[data-theme="red|blue|green"]
   ============================================================ */
:root{
  --radius:16px; --radius-sm:10px;
  --ink:#2b2130; --ink-2:#5b5568; --ink-3:#9790a5;
  --line:#f0e6ea; --card:#ffffff; --bg:#faf4f5;
  --shadow:0 10px 30px rgba(160,20,60,.10);
  --shadow-sm:0 4px 14px rgba(160,20,60,.06);
}
body[data-theme="red"]{
  --brand:#d11a3f; --brand-2:#f43f5e; --brand-dark:#a50f33; --brand-light:#fdeaf0;
  --grad:linear-gradient(135deg,#a50f33,#e11d48 55%,#fb5a3c);
  --hero:linear-gradient(155deg,#6f0e2c 0%,#c0143d 55%,#f45d2d 100%);
  --chip-hover:#e11d48;
}
body[data-theme="blue"]{
  --brand:#0b6cff; --brand-2:#3aa0ff; --brand-dark:#084fbf; --brand-light:#e8f1ff;
  --grad:linear-gradient(135deg,#084fbf,#0b6cff 55%,#3aa0ff);
  --hero:linear-gradient(155deg,#08275e 0%,#0b4fd0 55%,#2f8ff7 100%);
  --chip-hover:#0b6cff;
}
body[data-theme="green"]{
  --brand:#0e8a5f; --brand-2:#22c68a; --brand-dark:#0a6b49; --brand-light:#e5f8f0;
  --grad:linear-gradient(135deg,#0a6b49,#0e8a5f 55%,#2bb673);
  --hero:linear-gradient(155deg,#063d2c 0%,#0b6b4a 55%,#1ba365 100%);
  --chip-hover:#0e8a5f;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.65;font-size:15px;
}
a{color:var(--brand);text-decoration:none;transition:color .15s}
a:hover{color:var(--brand-dark)}
img{max-width:100%;height:auto}
ul{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 16px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 顶栏 ---------- */
.topbar{
  background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;
  box-shadow:0 2px 12px rgba(160,20,60,.05);
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:62px;gap:14px}
.logo{display:flex;align-items:center;gap:9px;font-size:21px;font-weight:800;color:var(--ink);flex-shrink:0}
.logo-ic{
  width:34px;height:34px;border-radius:10px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;
  font-size:14px;font-weight:900;letter-spacing:0;box-shadow:0 4px 12px rgba(200,20,60,.35);
}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{padding:8px 14px;border-radius:999px;color:var(--ink-2);font-size:14px;font-weight:500}
.nav a:hover{color:var(--brand);background:var(--brand-light)}
.nav a.active{color:#fff;background:var(--grad);box-shadow:0 4px 10px rgba(200,20,60,.28)}
.nav-admin{
  padding:6px 12px;border-radius:999px;font-size:12px;color:var(--ink-3);
  border:1px solid var(--line);flex-shrink:0;
}
.nav-admin:hover{color:var(--brand);border-color:var(--brand)}

/* ---------- Hero 左右分栏 ---------- */
.hero2{background:var(--hero);color:#fff;padding:54px 0 46px;position:relative;overflow:hidden}
.hero2::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:46px 46px;
}
.hero2::after{
  content:"";position:absolute;right:-130px;top:-150px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.15),transparent 65%);
}
.hero2 .container{position:relative;z-index:2}
.hero2-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:34px;align-items:center}
.hero-left h1{font-size:31px;line-height:1.35;font-weight:800;letter-spacing:.4px}
.hero-left .sub{margin-top:12px;color:#ffe3e9;font-size:15px}
.search-wrap{position:relative;margin-top:24px}
.search-box{
  display:flex;align-items:center;background:#fff;border-radius:999px;padding:6px 6px 6px 20px;
  box-shadow:0 18px 44px rgba(90,5,25,.38);gap:6px;
}
.sb-ic{font-size:15px}
.search-box input{flex:1;border:0;outline:none;font-size:16px;padding:12px 6px;color:var(--ink);min-width:0;background:transparent}
.search-box button{
  border:0;border-radius:999px;background:var(--grad);color:#fff;font-size:15px;font-weight:700;
  padding:13px 30px;cursor:pointer;transition:transform .15s,box-shadow .15s;white-space:nowrap;
  box-shadow:0 6px 16px rgba(180,20,50,.35);
}
.search-box button:hover{transform:translateY(-1px)}
.search-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;align-items:center}
.search-chips .lab{color:#ffd7e0;font-size:13px}
.chip{
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.3);color:#fff;font-size:13px;
  padding:5px 14px;border-radius:999px;cursor:pointer;transition:background .15s;font-family:inherit;
}
.chip:hover{background:var(--chip-hover)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:28px;max-width:640px}
.stat{
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
  border-radius:14px;padding:14px 8px;text-align:center;transition:background .15s;
}
.stat:hover{background:rgba(255,255,255,.18)}
.stat .n{font-size:24px;font-weight:800;letter-spacing:.5px}
.stat .t{font-size:11.5px;color:#ffd7e0;margin-top:2px}

/* 右栏：圆环 / 本机IP / 分享 */
.hero-right{display:flex;flex-direction:column;gap:14px}
.ring-card{
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);
  border-radius:18px;padding:18px;text-align:center;backdrop-filter:blur(4px);
}
.ring-card h3{font-size:14px;font-weight:600;color:#ffe3e9;margin-bottom:10px}
.ring{position:relative;width:132px;height:132px;margin:0 auto}
.ring svg{width:132px;height:132px;transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:rgba(255,255,255,.18);stroke-width:10}
.ring-fg{fill:none;stroke:#fff;stroke-width:10;stroke-linecap:round;stroke-dasharray:0 360;transition:stroke-dasharray 1.2s ease}
.ring-n{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:34px;font-weight:900;
}
.ring-n em{font-style:normal;font-size:15px;margin-left:2px;font-weight:600}
.ring-tip{font-size:12px;color:#ffd7e0;margin-top:10px}
.myip-card{
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);
  border-radius:18px;padding:16px 18px;backdrop-filter:blur(4px);
}
.mic-head{font-size:13px;color:#ffe3e9;font-weight:600}
.mic-ip{font-size:22px;font-weight:800;margin-top:6px;font-family:Consolas,monospace;letter-spacing:.5px}
.mic-info{font-size:12.5px;color:#ffd7e0;margin-top:4px}
.mic-beat{margin-top:8px}
.mic-beat .beat-tag{display:inline-block;background:#fff;color:var(--brand-dark);border-radius:999px;padding:4px 12px;font-size:13px;font-weight:700}
.share-cta{text-align:center}
.share-cta .muted{color:#ffd7e0;font-size:12px;margin-top:8px}

/* ---------- 按钮 ---------- */
.btn-share{
  border:0;border-radius:999px;background:#fff;color:var(--brand-dark);font-size:14px;font-weight:700;
  padding:11px 24px;cursor:pointer;transition:transform .15s,box-shadow .15s;font-family:inherit;
  box-shadow:0 6px 16px rgba(90,5,25,.28);
}
.btn-share:hover{transform:translateY(-1px)}
.btn-share-lg{background:var(--grad);color:#fff}
.btn-ghost{
  display:inline-block;border-radius:999px;border:1px solid var(--brand);color:var(--brand);
  padding:9px 20px;font-size:13px;font-weight:600;
}
.btn-ghost:hover{background:var(--brand);color:#fff}

/* ---------- 查询结果卡 ---------- */
.result-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;margin-top:26px;display:none}
.result-card.show{display:block;animation:fadeUp .25s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.result-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-bottom:14px;border-bottom:1px dashed var(--line)}
.result-ip{font-size:23px;font-weight:800;font-family:Consolas,monospace}
.result-src{font-size:12px;color:var(--ink-3);background:var(--bg);padding:4px 12px;border-radius:999px}
.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:0;margin-top:6px}
.result-item{padding:15px 6px;border-bottom:1px solid var(--line)}
.result-item .k{font-size:12px;color:var(--ink-3)}
.result-item .v{font-size:16px;font-weight:600;margin-top:3px;word-break:break-all}
.result-extra{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.result-extra a{background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:5px 13px;font-size:12.5px}
.result-extra a:hover{background:var(--brand-light);border-color:var(--brand);color:var(--brand-dark)}
.result-beat{
  margin-top:16px;background:var(--brand-light);border-radius:12px;padding:14px 16px;
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
}
.result-beat .rb-n{font-size:30px;font-weight:900;color:var(--brand-dark)}
.result-beat .rb-t{font-size:13px;color:var(--brand-dark);font-weight:600}
.result-beat p{font-size:13px;color:var(--ink-2);flex:1;min-width:200px}
.result-loading{display:none;text-align:center;padding:34px;color:var(--ink-3)}
.result-error{display:none;text-align:center;padding:26px;color:#c2281e}

/* ---------- 区块 ---------- */
.section{padding:34px 0 4px}
.card{
  background:var(--card);border-radius:var(--radius);padding:26px;
  box-shadow:var(--shadow-sm);border:1px solid rgba(240,230,234,.8);
}
.card h2{font-size:20px;font-weight:800;display:flex;align-items:center;gap:10px}
.card h2::before{content:"";width:5px;height:20px;border-radius:3px;background:var(--grad)}
.card h3{font-size:16px;font-weight:700;margin:18px 0 8px}
.card p{color:var(--ink-2)}
.muted{color:var(--ink-3);font-size:13px}

/* ---------- 工具卡片 ---------- */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin-top:18px}
.tool-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px;
  display:block;color:var(--ink);transition:transform .15s,box-shadow .15s,border-color .15s;
}
.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#f2c3d0}
.tc-ic{font-size:26px}
.tc-t{font-size:16px;font-weight:700;margin-top:10px;color:var(--ink)}
.tool-card p{font-size:13px;color:var(--ink-2);margin-top:6px;line-height:1.7}

/* ---------- 省份网格 ---------- */
.prov-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-top:18px}
.prov-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px 12px;text-align:center;display:block;color:var(--ink);overflow:hidden;
  transition:transform .18s,box-shadow .18s,border-color .18s;
}
.prov-item::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);opacity:0;transition:opacity .18s}
.prov-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);color:var(--brand);border-color:#f2b9c8}
.prov-item:hover::before{opacity:1}
.prov-item .pn{font-size:15px;font-weight:700}
.prov-item .ps{font-size:11.5px;color:var(--ink-3);margin-top:4px}

/* ---------- 全球网格 ---------- */
.glo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-top:18px}
.glo-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:15px 16px;
  display:flex;flex-direction:column;color:var(--ink);transition:transform .15s,box-shadow .15s;
}
.glo-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);color:var(--brand)}
.gi-name{font-size:16px;font-weight:700}
.gi-ps{font-size:12px;color:var(--ink-3);margin-top:5px}

/* ---------- 城市导航卡片 ---------- */
.city-list{list-style:none;padding:0;margin:12px 0 0}
.city-item{
  border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:var(--radius-sm);background:#fff;padding:12px 16px;
  margin-bottom:10px;transition:box-shadow .15s,border-color .15s;
}
.city-item:hover{box-shadow:var(--shadow-sm);border-color:#f2b9c8}
.city-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.city-name{font-size:16px;font-weight:700;color:var(--ink)}
.city-name:hover{color:var(--brand)}
.city-head .cnt{font-size:12px;color:var(--brand-dark);background:var(--brand-light);border-radius:999px;padding:2px 11px;font-weight:600;white-space:nowrap}
.counties{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}
.counties a{
  display:inline-flex;align-items:center;color:var(--ink-2);font-size:12.5px;
  padding:4px 12px;border-radius:999px;background:#fdf1f4;border:1px solid #f6d9e2;transition:all .15s;
}
.counties a::before{content:"#";color:#df9fb2;font-size:11px;margin-right:3px}
.counties a:hover{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;margin-top:16px;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm)}
table.seg{width:100%;border-collapse:collapse;font-size:13px;min-width:680px}
table.seg th{
  background:linear-gradient(180deg,#fdf0f3,#fbe6ec);color:#8f1d3c;font-weight:700;text-align:left;
  padding:11px 14px;white-space:nowrap;border-bottom:1px solid var(--line);
}
table.seg td{padding:9px 14px;border-bottom:1px solid #f8f0f2;font-family:Consolas,"Courier New",monospace;white-space:nowrap;color:#4a4050}
table.seg tbody tr:nth-child(even) td{background:#fdf9fa}
table.seg tr:last-child td{border-bottom:0}
table.seg tbody tr:hover td{background:#fdf0f3}
table.seg td a{font-family:Consolas,monospace;color:var(--brand);font-weight:600}
.isp-badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}
.isp-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.6}
.isp-电信{background:#e6f4ff;color:#0866c2}
.isp-联通{background:#fdeaea;color:#c2281e}
.isp-移动{background:#e8f8ee;color:#0d8544}
.isp-铁通{background:#f3ecfb;color:#7a3fc4}
.isp-教育网{background:#fef7e0;color:#a8740a}
.isp-IDC{background:#eef1f6;color:#4a5a78}
.isp-长城宽带{background:#e6f7f7;color:#0a8a8a}
.isp-未知{background:#f1f3f6;color:#6b7a94}
.isp-广电{background:#fff0e6;color:#b35c00}

.seg-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.seg-links a{
  font-family:Consolas,monospace;font-size:12px;background:#fdf1f4;border:1px solid #f6d9e2;
  color:#a50f33;border-radius:999px;padding:5px 13px;transition:all .15s;
}
.seg-links a:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-1px)}

/* ---------- 运营商 ---------- */
.isp-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:18px}
.isp-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px;transition:box-shadow .15s}
.isp-card:hover{box-shadow:var(--shadow-sm)}
.isp-card h3{margin:0 0 6px;font-size:15px;display:flex;align-items:center;gap:8px}
.isp-card p{font-size:13px;color:var(--ink-2);line-height:1.7}

/* ---------- 面包屑 ---------- */
.crumbs{font-size:13px;color:var(--ink-3);padding:16px 0 0}
.crumbs a{color:var(--ink-3);background:#fff;border:1px solid var(--line);border-radius:999px;padding:3px 11px;font-size:12px}
.crumbs a:hover{color:var(--brand);border-color:var(--brand)}
.crumbs .sep{margin:0 8px;color:#d5ccd1}

/* ---------- 结果大卡（ip/segment 页） ---------- */
.result-hero{padding:28px}
.rh-ip{font-size:26px;font-weight:800;font-family:Consolas,monospace;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.rh-ver{font-size:12px;font-weight:600;color:#fff;background:var(--grad);border-radius:999px;padding:3px 11px}
.rh-where{font-size:16px;color:var(--ink-2);margin-top:8px;font-weight:600}
.rh-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:0;margin-top:16px;border-top:1px dashed var(--line)}
.rh-cell{padding:14px 6px;border-bottom:1px solid var(--line)}
.rh-cell .k{font-size:12px;color:var(--ink-3)}
.rh-cell .v{font-size:15px;font-weight:600;margin-top:3px;word-break:break-all}
.rh-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.rh-beat{
  margin-top:18px;background:var(--brand-light);border-radius:12px;padding:16px 18px;
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.rh-beat-n{font-size:34px;font-weight:900;color:var(--brand-dark)}
.rh-beat-t{font-size:13px;color:var(--brand-dark);font-weight:700}
.rh-beat p{font-size:13px;color:var(--ink-2);flex:1;min-width:220px}

/* ---------- 分享图面板 ---------- */
.share-panel{text-align:center}
.share-box{display:inline-block;margin-top:14px;background:#fff;border-radius:14px;box-shadow:var(--shadow);overflow:hidden;max-width:100%}
.share-box canvas{max-width:100%;height:auto;display:block}

/* ---------- 文章 / FAQ ---------- */
.article{line-height:1.9;font-size:15px;color:#3d3345}
.article h3{margin-top:22px;font-size:17px}
.article p{margin-top:10px;text-align:justify}
.article ul{margin-top:10px;padding-left:4px}
.article li{margin:6px 0;padding-left:18px;position:relative;color:var(--ink-2)}
.article li::before{content:"·";position:absolute;left:2px;color:var(--brand);font-weight:800}
.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;margin-top:10px;padding:0 18px}
.faq details[open]{border-color:#f2b9c8}
.faq summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none;font-size:15px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋";float:right;color:var(--brand);font-weight:700}
.faq details[open]>summary::after{content:"－"}
.faq .fa{color:var(--brand);margin-right:8px;font-weight:800}
.faq details p{padding:0 0 16px 26px;font-size:14px;color:var(--ink-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:linear-gradient(180deg,#2a0d1c,#1a0712);color:#d8a8b8;margin-top:52px;font-size:13px}
.site-footer a{color:#d8a8b8}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:28px;padding:40px 0 22px}
.footer-grid h3{color:#fff;font-size:14px;margin-bottom:12px;position:relative;padding-left:10px}
.footer-grid h3::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:3px;border-radius:2px;background:var(--grad)}
.footer-grid li{margin:6px 0}
.footer-links{display:flex;flex-wrap:wrap;gap:5px 14px}
.footer-links a{font-size:12.5px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0 22px;text-align:center;color:#a97a8c}
.footer-bottom .muted{color:#9c7384}

/* ---------- 后台 ---------- */
.admin-login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(155deg,#6f0e2c,#e11d48 60%,#f45d2d);padding:20px}
.admin-login-card{background:#fff;border-radius:18px;padding:34px 34px 26px;width:100%;max-width:380px;box-shadow:0 24px 60px rgba(60,5,20,.35)}
.al-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;margin-bottom:6px}
.al-err{background:#fdeaea;color:#c2281e;border-radius:8px;padding:9px 12px;font-size:13px;margin:10px 0}
.admin-login-card label{display:block;font-size:13px;color:#5b5568;margin:14px 0 4px}
.admin-login-card input{width:100%;padding:10px 12px;border:1px solid #e6dee3;border-radius:9px;font-size:14px}
.admin-login-card button{width:100%;margin-top:18px;background:var(--grad);color:#fff;border:0;border-radius:9px;padding:12px;font-size:15px;font-weight:700;cursor:pointer}
.al-tip{font-size:12px;color:#9790a5;margin-top:14px;text-align:center}

/* ---------- 响应式 ---------- */
@media (max-width:900px){
  .hero2-grid{grid-template-columns:1fr}
  .hero-left h1{font-size:25px}
}
@media (max-width:720px){
  .hero2{padding:36px 0 30px}
  .topbar .container{height:auto;padding:10px 16px;flex-wrap:wrap}
  .nav{order:3;width:100%;justify-content:center}
  .nav a{padding:6px 11px;font-size:13px}
  .search-box{border-radius:16px;padding:6px}
  .search-box input{padding:11px 4px 11px 8px;font-size:15px}
  .search-box button{padding:12px 18px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .card{padding:18px}
  .prov-grid{grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:9px}
  .city-item{padding:10px 12px}
}