:root{
  --bg:#0a0e1a; --bg2:#0f1525; --panel:#121a2e; --panel2:#172238;
  --line:rgba(255,255,255,.08); --txt:#e8eefc; --muted:#8a96b3;
  --pri:#4f7cff; --pri2:#7a5cff; --cyan:#27e0c8; --ok:#36d399; --warn:#ffb020; --bad:#ff5d6c;
  --grad:linear-gradient(135deg,#4f7cff,#7a5cff);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--txt);font-family:-apple-system,"PingFang SC","Microsoft YaHei",Segoe UI,Roboto,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;border-radius:10px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:.2s}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(79,124,255,.35)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--txt)}
.btn-ghost:hover{border-color:var(--pri);color:#fff}
.btn-lg{padding:13px 26px;font-size:16px}

/* Nav */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);background:rgba(10,14,26,.72);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:24px;padding:14px 22px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px}
.logo-mark{width:34px;height:34px;border-radius:9px;background:var(--grad);display:grid;place-items:center;font-weight:800;color:#fff;box-shadow:0 6px 16px rgba(79,124,255,.4)}
.logo-text strong{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.logo-img{height:34px;width:auto;border-radius:8px;display:block}
.nav-links{display:flex;gap:26px;margin-left:auto;color:var(--muted);font-size:15px}
.nav-links a:hover{color:#fff}
.nav .btn{margin-left:8px}

/* Hero */
.hero{position:relative;overflow:hidden;padding:60px 0 70px}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(800px 400px at 80% -10%,rgba(122,92,255,.25),transparent),
  radial-gradient(700px 360px at 10% 10%,rgba(39,224,200,.14),transparent)}
.hero-inner{max-width:1180px;margin:0 auto;padding:0 22px;display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center;position:relative}
.badge{display:inline-block;padding:5px 12px;border:1px solid var(--line);border-radius:999px;color:var(--cyan);font-size:13px;background:rgba(39,224,200,.07)}
.hero h1{font-size:46px;line-height:1.15;margin:16px 0 14px;letter-spacing:-.5px}
.hero .lead{color:var(--muted);font-size:17px;max-width:520px}
.hero-cta{display:flex;gap:14px;margin:26px 0 32px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.hstat{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.hstat .num{font-size:24px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hstat .lbl{color:var(--muted);font-size:13px;margin-top:2px}
.trend{font-size:12px;color:var(--muted)}
.trend.up{color:var(--ok)}

/* Panel */
.panel{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 30px 80px rgba(0,0,0,.4)}
.panel-head{display:flex;align-items:center;gap:8px;font-weight:700;font-size:16px}
.panel-head .dot{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(54,211,153,.18);animation:pulse 1.6s infinite}
.panel-sub{color:var(--muted);font-weight:400;font-size:12px;margin-left:auto}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.panel-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:16px 0}
.pstat{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center}
.pstat b{display:block;font-size:22px;font-weight:800}
.pstat span{color:var(--muted);font-size:12px}
.chart{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:12px}
.chart-legend{display:flex;gap:14px;font-size:12px;color:var(--muted);margin-bottom:6px}
.lg.block{color:var(--pri)}.lg.unseal{color:var(--cyan)}.lg.warn{color:var(--warn)}.lg.abn{color:var(--bad)}
#rtChart{width:100%;height:130px;display:block}
.chart-foot{color:var(--muted);font-size:12px;margin-top:6px}

/* Sections */
.section{max-width:1180px;margin:0 auto;padding:64px 22px}
.section.alt{background:var(--bg2);max-width:none}
.section.alt > *{max-width:1180px;margin-left:auto;margin-right:auto}
.section-head{text-align:center;margin-bottom:38px}
.section-head h2{font-size:30px;letter-spacing:-.5px}
.section-head p{color:var(--muted);margin-top:8px}
.grid{display:grid;gap:18px}
.grid3{grid-template-columns:repeat(3,1fr)}
.grid4{grid-template-columns:repeat(4,1fr)}
.grid5{grid-template-columns:repeat(5,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px;transition:.2s}
.card:hover{transform:translateY(-4px);border-color:rgba(79,124,255,.5);box-shadow:0 16px 40px rgba(0,0,0,.35)}
.card h3{font-size:18px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14px}
.card ul{margin:12px 0 0;padding-left:0;list-style:none}
.card ul li{color:var(--muted);font-size:13px;padding:4px 0 4px 20px;position:relative}
.card ul li::before{content:"•";color:var(--pri);position:absolute;left:6px}
.ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:18px;margin-bottom:12px;color:#fff}
.ic.wx{background:#1aad19}.ic.qq{background:#12b7f5}.ic.dy{background:#fe2c55}
.ic.ks{background:#ff5000}.ic.xhs{background:#ff2741}.ic.sm{background:var(--grad)}

/* API */
.api-wrap{max-width:760px;margin:0 auto;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px}
.api-feats{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px;color:var(--ok);font-size:14px}
.code{background:#0b1020;border:1px solid var(--line);border-radius:12px;padding:18px;overflow:auto;font-size:13px;color:#cfe3ff;font-family:"SFMono-Regular",Consolas,Menlo,monospace}

/* Footer */
.footer{border-top:1px solid var(--line);background:var(--bg2);padding:40px 22px;text-align:center}
.footer-inner{max-width:760px;margin:0 auto}
.footer p{color:var(--muted);margin:8px 0;font-size:14px}
.footer .disc{font-size:13px;color:#b9c4dd}
.footer a{color:var(--pri)}
.footer .logo{justify-content:center;margin-bottom:10px}

@media(max-width:880px){
  .hero-inner{grid-template-columns:1fr}
  .hero h1{font-size:34px}
  .nav-links{display:none}
  .grid3,.grid4,.grid5{grid-template-columns:1fr 1fr}
}

/* ===== 用户体系：注册 / 登录 / 会员中心 / 公告 ===== */
.nav-user{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.btn-block{width:100%;margin-top:6px}
.mb{margin-bottom:16px}
.sm{font-size:12px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.mono.sm{font-size:12px}
.center{text-align:center}
.muted{color:var(--muted)}

/* 表单提示 */
.form-msg{padding:10px 14px;border-radius:10px;font-size:14px;margin-bottom:14px;background:rgba(255,93,108,.1);color:#ff8b96;border:1px solid rgba(255,93,108,.3)}
.form-msg.ok{background:rgba(54,211,153,.1);color:#5fe3ae;border-color:rgba(54,211,153,.3)}

/* 会员中心 */
.mem-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:20px}
.mem-bar-l{display:flex;align-items:center;gap:13px;min-width:0}
.mem-avatar{width:42px;height:42px;border-radius:12px;background:var(--grad);flex:0 0 auto;
  display:grid;place-items:center;font-weight:700;color:#fff;font-size:18px}
.mem-bar-l b{display:block;font-size:15px}
.mem-bar-l small{display:block;font-size:12.5px}
.mem-bar-r{display:flex;gap:10px;flex-wrap:wrap}
.mem-bar-r .btn{padding:8px 16px;font-size:13.5px}
.page-wrap{max-width:1180px;margin:0 auto;padding:40px 22px 70px}
.page-grid{display:grid;grid-template-columns:420px 1fr;gap:20px;align-items:start}
.page-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px}
.page-card-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.page-card-h h2{font-size:19px}
.form-v{display:flex;flex-direction:column}
.form-row{margin-bottom:16px}
.form-row > label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
.form-row > label em{color:var(--bad);font-style:normal;margin-left:3px}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:11px 14px;border-radius:10px;border:1px solid var(--line);
  background:var(--bg2);color:var(--txt);font-size:15px;font-family:inherit}
.form-row textarea{resize:vertical;line-height:1.6}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--pri)}
.form-row .hint{font-size:12px;color:var(--muted);margin-top:6px}
.form-row.inline{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}

/* 平台选择（激活） */
.plat-pick{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px}
.plat-item input{position:absolute;opacity:0;pointer-events:none}
.plat-box{display:grid;place-items:center;padding:12px 8px;border:1px solid var(--line);border-radius:12px;background:var(--bg2);cursor:pointer;transition:.18s}
.plat-item input:checked + .plat-box{border-color:var(--pri);background:rgba(79,124,255,.14);box-shadow:0 0 0 2px rgba(79,124,255,.18)}
.plat-box .ic{font-style:normal;font-size:14px;font-weight:600;color:var(--txt)}
.plat-box .ic.wx{color:#22c55e}.plat-box .ic.qq{color:#60a5fa}
.plat-box .ic.xhs{color:#ff5d6c}.plat-box .ic.ks{color:#ffb020}
.plat-box .ic.dy{color:#a78bfa}

/* 平台标签 */
.plat-tag{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;border:1px solid var(--line);background:var(--bg2);color:var(--muted)}
.plat-tag.wx{color:#22c55e;border-color:rgba(34,197,94,.35);background:rgba(34,197,94,.1)}
.plat-tag.qq{color:#60a5fa;border-color:rgba(96,165,250,.35);background:rgba(96,165,250,.1)}
.plat-tag.xhs{color:#ff5d6c;border-color:rgba(255,93,108,.35);background:rgba(255,93,108,.1)}
.plat-tag.ks{color:#ffb020;border-color:rgba(255,176,32,.35);background:rgba(255,176,32,.1)}
.plat-tag.dy{color:#a78bfa;border-color:rgba(167,139,250,.35);background:rgba(167,139,250,.1)}
.plat-tag.all{color:var(--cyan);border-color:rgba(39,224,200,.35);background:rgba(39,224,200,.1)}

/* 小徽章 */
.badge-sm{display:inline-block;padding:2px 9px;border-radius:6px;font-size:12px;background:rgba(255,255,255,.06);color:var(--muted);border:1px solid var(--line)}
.badge-sm.ok{color:var(--ok);background:rgba(54,211,153,.12);border-color:rgba(54,211,153,.3)}
.badge-sm.bad{color:var(--bad);background:rgba(255,93,108,.12);border-color:rgba(255,93,108,.3)}
.badge-sm.warn{color:var(--warn);background:rgba(255,176,32,.12);border-color:rgba(255,176,32,.3)}
.badge-sm.info{color:var(--pri);background:rgba(79,124,255,.12);border-color:rgba(79,124,255,.3)}
.badge-sm.success{color:var(--cyan);background:rgba(39,224,200,.12);border-color:rgba(39,224,200,.3)}

/* 激活提示 */
.act-tip{margin-top:16px;padding:12px 14px;border-radius:10px;background:rgba(79,124,255,.08);border:1px solid rgba(79,124,255,.25);color:var(--muted);font-size:13px;line-height:1.7}
.act-tip b{color:var(--txt)}
.hero-tip{margin-top:18px;font-size:13px;color:var(--muted)}
.hero-tip b{color:var(--cyan)}

/* 用户公告 */
.notice-list{display:flex;flex-direction:column;gap:14px}
.notice-item{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--pri);border-radius:12px;padding:18px 20px}
.notice-item.warn{border-left-color:var(--warn)}
.notice-item.success{border-left-color:var(--cyan)}
.notice-h{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.notice-h h3{font-size:16px}
.notice-h time{margin-left:auto;font-size:12px;color:var(--muted)}
.notice-top{padding:2px 8px;border-radius:6px;font-size:11px;background:var(--grad);color:#fff;font-weight:600}
.notice-c{color:var(--muted);font-size:14px;white-space:pre-wrap}

/* 前台表格 */
.tbl-site{width:100%;border-collapse:collapse;font-size:14px}
.tbl-site th{text-align:left;padding:10px 12px;color:var(--muted);font-weight:500;font-size:13px;border-bottom:1px solid var(--line)}
.tbl-site td{padding:12px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl-site tr:last-child td{border-bottom:none}

/* 响应式 */
@media (max-width:900px){
  .page-grid{grid-template-columns:1fr}
  .form-row.inline{grid-template-columns:1fr}
  .nav-links{display:none}
}
@media (max-width:560px){
  .hero{padding:36px 0 44px}
  .page-wrap{padding:26px 16px 50px}
}

/* 键值对列表（查询详情） */
.kv-list{display:flex;flex-direction:column;gap:2px}
.kv{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:10px 0;border-bottom:1px dashed var(--line)}
.kv span{color:var(--muted);font-size:14px}
.kv b{font-weight:600;font-size:14px}
.kv-list .kv:last-child{border-bottom:none}

/* ===== 激活表单增强（会员中心） ===== */
.act-head{gap:12px;align-items:flex-start}
.act-head-l{display:flex;align-items:center;gap:13px}
.act-ico{width:46px;height:46px;border-radius:14px;background:var(--grad);display:grid;place-items:center;font-size:23px;box-shadow:0 8px 22px rgba(79,124,255,.4);flex:0 0 auto}
.act-head h2{margin:0}
.act-head .muted{font-size:12.5px;display:block;margin-top:2px}
.act-cur{font-size:12.5px;color:var(--muted);white-space:nowrap}

/* 平台卡片：emoji + 名称 竖向排布 */
.plat-box{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:16px 8px}
.plat-emoji{font-size:21px;line-height:1}
.plat-name{font-style:normal !important;font-size:14px;font-weight:600;color:var(--txt);margin:0 !important}
.plat-item input:checked + .plat-box{transform:translateY(-3px)}

/* 带图标前缀的输入框 */
.act-inp{position:relative;display:flex;align-items:center}
.act-inp .act-inp-ic{position:absolute;left:14px;font-size:15px;color:var(--muted);pointer-events:none;display:grid;place-items:center;z-index:1}
.act-inp input{width:100%;padding-left:42px !important}
.act-inp input.mono{letter-spacing:1px}

/* 激活提交按钮 */
.act-submit{position:relative;width:100%;margin-top:10px;padding:13px 18px;font-size:15px;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;
  background:var(--grad);color:#fff;border:none;font-weight:700;cursor:pointer;box-shadow:0 10px 26px rgba(79,124,255,.38);transition:.2s}
.act-submit:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 14px 34px rgba(79,124,255,.5)}
.act-submit:active{transform:translateY(0)}
.act-submit .arr{transition:transform .2s}
.act-submit:hover .arr{transform:translateX(4px)}

/* ===== 前台导航：登录后的用户区 ===== */
.nav-me{display:flex;align-items:center;gap:9px;padding:5px 14px 5px 5px;
  border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.04);transition:.2s}
.nav-me:hover{border-color:var(--pri);background:rgba(79,124,255,.14)}
.nav-me-av{width:32px;height:32px;border-radius:50%;background:var(--grad);display:grid;place-items:center;
  color:#fff;font-weight:700;font-size:14px;box-shadow:0 4px 12px rgba(79,124,255,.45);flex:0 0 auto}
.nav-me-txt{display:flex;flex-direction:column;line-height:1.25;text-align:left;min-width:0}
.nav-me-txt b{font-size:13.5px;font-weight:600;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-me-txt small{font-size:11px;color:var(--muted)}
.nav-icon-btn{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  border:1px solid var(--line);background:rgba(255,255,255,.04);font-size:15px;transition:.2s}
.nav-icon-btn:hover{border-color:var(--pri);background:rgba(79,124,255,.14);transform:translateY(-1px)}
@media (max-width:760px){
  .nav-me-txt{display:none}
  .nav-me{padding:5px}
}

/* ===== 内联 SVG 图标（替代 emoji） ===== */
.ico-svg{width:20px;height:20px;display:block;flex:0 0 auto}
.act-ico .ico-svg{width:24px;height:24px}
.act-inp .ico-svg{width:17px;height:17px}
.nav-icon-btn .ico-svg{width:18px;height:18px}
.plat-box .ico-svg{width:24px;height:24px}
.act-submit .arr{display:inline-flex;align-items:center}
.act-submit .arr .ico-svg{width:17px;height:17px}
svg.p-wx{color:#22c55e}
svg.p-qq{color:#60a5fa}
svg.p-xhs{color:#ff5d6c}
svg.p-ks{color:#ffb020}
svg.p-dy{color:#a78bfa}
svg.p-all{color:var(--cyan)}