/* ============================================================
   PhoenixFM v4 —— 深空蓝 · 霓虹青科技风设计系统
   左右布局：左侧菜单 / 右侧内容区
   ============================================================ */
:root{
  --bg-0:#04080f;
  --bg-1:#070e1c;
  --bg-2:#0b1628;
  --bg-3:#101f38;
  --panel:rgba(13,25,46,.72);
  --card:rgba(16,31,56,.62);
  --card-hover:rgba(20,38,66,.85);
  --line:rgba(56,189,248,.14);
  --line-strong:rgba(56,189,248,.32);
  --cyan:#22d3ee;
  --cyan-bright:#5ff3ff;
  --blue:#38bdf8;
  --indigo:#818cf8;
  --teal:#2dd4bf;
  --gold:#fbbf24;
  --text:#e6f1ff;
  --text-2:#9db4d6;
  --text-3:#637d9f;
  --danger:#f87171;
  --ok:#34d399;
  --glow:0 0 18px rgba(34,211,238,.35);
  --sidebar-w:264px;
  --topbar-h:62px;
  --radius:14px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Inter,system-ui,sans-serif;
  --mono:"SF Mono",ui-monospace,Menlo,Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{
  font-family:var(--font);
  background:var(--bg-0);
  color:var(--text);
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
}
/* 全局背景：网格 + 辉光 */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(900px 500px at 85% -10%,rgba(34,211,238,.10),transparent 60%),
    radial-gradient(700px 500px at -10% 110%,rgba(129,140,248,.10),transparent 60%),
    linear-gradient(180deg,var(--bg-1),var(--bg-0));
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(56,189,248,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.045) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 90%);
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:rgba(56,189,248,.18);border-radius:9px}
::-webkit-scrollbar-thumb:hover{background:rgba(56,189,248,.32)}
::-webkit-scrollbar-track{background:transparent}

/* ============ 整体布局 ============ */
.app{display:flex;height:100vh}

/* ============ 左侧菜单 ============ */
.sidebar{
  width:var(--sidebar-w);flex-shrink:0;height:100vh;
  background:linear-gradient(180deg,rgba(9,18,34,.95),rgba(6,12,24,.95));
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;position:relative;z-index:30;
  backdrop-filter:blur(10px);
}
.sidebar::after{
  content:"";position:absolute;top:0;right:0;bottom:0;width:1px;
  background:linear-gradient(180deg,transparent,rgba(34,211,238,.5),transparent);
}
.brand{display:flex;align-items:center;gap:12px;padding:20px 20px 16px;border-bottom:1px solid var(--line)}
.brand .logo{
  width:40px;height:40px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,#0e7490,#22d3ee);
  display:grid;place-items:center;font-weight:800;font-size:20px;color:#04121a;
  box-shadow:var(--glow);position:relative;
}
.brand .logo::before{content:"";position:absolute;inset:-3px;border-radius:14px;border:1px dashed rgba(95,243,255,.4)}
.brand .btxt h1{font-size:17px;font-weight:800;letter-spacing:.5px}
.brand .btxt span{font-size:11px;color:var(--text-3);letter-spacing:1.5px;text-transform:uppercase}
.menu{flex:1;overflow-y:auto;padding:12px 12px 24px}
.menu-group{margin-bottom:6px}
.menu-group-title{
  font-size:11px;color:var(--text-3);letter-spacing:2px;padding:14px 12px 6px;
  text-transform:uppercase;display:flex;align-items:center;gap:8px;
}
.menu-group-title::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--line),transparent)}
.menu-item{
  display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;
  color:var(--text-2);font-size:14px;position:relative;transition:.18s;cursor:pointer;
  border:1px solid transparent;
}
.menu-item .mi{width:20px;text-align:center;font-size:15px;opacity:.85}
.menu-item:hover{color:var(--text);background:rgba(56,189,248,.07)}
.menu-item.active{
  color:var(--cyan-bright);
  background:linear-gradient(90deg,rgba(34,211,238,.14),rgba(34,211,238,.02));
  border-color:var(--line-strong);
}
.menu-item.active::before{
  content:"";position:absolute;left:-12px;top:8px;bottom:8px;width:3px;border-radius:3px;
  background:var(--cyan);box-shadow:var(--glow);
}
.menu-item .badge{margin-left:auto;font-size:11px;background:rgba(34,211,238,.15);color:var(--cyan);padding:1px 8px;border-radius:20px}

/* 底部用户卡 */
.side-user{padding:14px;border-top:1px solid var(--line);display:flex;align-items:center;gap:11px;cursor:pointer}
.side-user .avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#1e3a5f,#38bdf8);display:grid;place-items:center;font-weight:700;border:1px solid var(--line-strong)}
.side-user .un{font-size:13px;font-weight:600}
.side-user .up{font-size:11px;color:var(--gold)}
.side-user .logout{margin-left:auto;color:var(--text-3);font-size:16px}
.side-user .logout:hover{color:var(--danger)}

/* ============ 右侧主区 ============ */
.main{flex:1;display:flex;flex-direction:column;min-width:0;height:100vh}
.topbar{
  height:var(--topbar-h);flex-shrink:0;display:flex;align-items:center;gap:18px;padding:0 24px;
  border-bottom:1px solid var(--line);background:rgba(7,14,28,.7);backdrop-filter:blur(10px);
}
.breadcrumb{font-size:14px;color:var(--text-2)}
.breadcrumb b{color:var(--text);font-weight:600}
.searchbox{flex:1;max-width:420px;display:flex;align-items:center;gap:9px;background:var(--bg-2);border:1px solid var(--line);border-radius:22px;padding:8px 16px;transition:.2s}
.searchbox:focus-within{border-color:var(--line-strong);box-shadow:var(--glow)}
.searchbox input{flex:1;background:none;border:none;outline:none;color:var(--text);font-size:14px}
.searchbox input::placeholder{color:var(--text-3)}
.searchbox button{color:var(--cyan);font-size:15px}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.stat-pill{font-size:12px;color:var(--text-2);display:flex;gap:14px;font-family:var(--mono)}
.stat-pill b{color:var(--cyan)}
.btn{
  padding:9px 18px;border-radius:10px;font-size:14px;font-weight:600;transition:.18s;
  display:inline-flex;align-items:center;gap:7px;
}
.btn-primary{background:linear-gradient(135deg,#0891b2,#22d3ee);color:#04121a;box-shadow:var(--glow)}
.btn-primary:hover{filter:brightness(1.12)}
.btn-ghost{border:1px solid var(--line-strong);color:var(--cyan-bright);background:rgba(34,211,238,.06)}
.btn-ghost:hover{background:rgba(34,211,238,.14)}
.btn-plain{color:var(--text-2)}
.content{flex:1;overflow-y:auto;padding:26px 28px 60px}

/* ============ 通用组件 ============ */
.page-head{margin-bottom:22px}
.page-head h2{font-size:24px;font-weight:800;display:flex;align-items:center;gap:10px}
.page-head h2::before{content:"";width:5px;height:22px;border-radius:3px;background:linear-gradient(180deg,var(--cyan),var(--indigo));box-shadow:var(--glow)}
.page-head p{color:var(--text-2);font-size:14px;margin-top:6px}
.grid{display:grid;gap:18px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;transition:.2s;position:relative;overflow:hidden;
}
.card:hover{border-color:var(--line-strong);background:var(--card-hover);transform:translateY(-2px)}
.section-title{font-size:17px;font-weight:700;margin:26px 0 14px;display:flex;align-items:center;gap:9px}
.section-title .tag{font-size:11px;font-weight:500;color:var(--cyan);border:1px solid var(--line-strong);padding:2px 9px;border-radius:20px}

/* 内容卡片 */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:18px}
.res-card{cursor:pointer}
.res-cover{height:120px;border-radius:11px;position:relative;display:grid;place-items:center;font-size:42px;margin-bottom:13px;overflow:hidden}
.res-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(4,10,20,.55))}
.res-cover .cat{position:absolute;top:9px;left:9px;z-index:2;font-size:11px;padding:3px 10px;border-radius:20px;background:rgba(4,10,20,.6);color:var(--cyan-bright);border:1px solid var(--line-strong)}
.res-cover .hot{position:absolute;top:9px;right:9px;z-index:2;font-size:11px;color:var(--gold)}
.res-card h3{font-size:15.5px;font-weight:700;margin-bottom:6px;line-height:1.4}
.res-card .desc{font-size:13px;color:var(--text-2);line-height:1.6;height:42px;overflow:hidden}
.res-meta{display:flex;align-items:center;gap:12px;margin-top:12px;font-size:12px;color:var(--text-3);font-family:var(--mono)}
.res-meta .star{color:var(--gold)}
.res-tags{margin-top:10px;display:flex;flex-wrap:wrap;gap:6px}
.res-tags span{font-size:11px;color:var(--text-2);background:rgba(56,189,248,.09);padding:3px 9px;border-radius:7px}

/* 筛选 tabs */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.tab{padding:8px 16px;border-radius:22px;font-size:13.5px;color:var(--text-2);border:1px solid var(--line);transition:.18s;cursor:pointer}
.tab:hover{color:var(--text)}
.tab.active{background:rgba(34,211,238,.14);color:var(--cyan-bright);border-color:var(--line-strong)}

/* 表格 */
.table-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{text-align:left;padding:13px 16px;color:var(--text-3);font-weight:600;background:rgba(56,189,248,.05);border-bottom:1px solid var(--line);font-size:12.5px}
td{padding:13px 16px;border-bottom:1px solid rgba(56,189,248,.07);color:var(--text-2)}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:rgba(56,189,248,.05)}
td b{color:var(--text)}
.pill{font-size:11.5px;padding:3px 11px;border-radius:20px}
.pill.ok{color:var(--ok);background:rgba(52,211,153,.12)}
.pill.cy{color:var(--cyan);background:rgba(34,211,238,.12)}
.pill.gold{color:var(--gold);background:rgba(251,191,36,.12)}
.pill.warn{color:var(--danger);background:rgba(248,113,113,.12)}

/* 统计卡 */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;position:relative;overflow:hidden}
.stat-card::before{content:"";position:absolute;right:-20px;top:-20px;width:80px;height:80px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.16),transparent 70%)}
.stat-card .k{font-size:13px;color:var(--text-2)}
.stat-card .v{font-size:30px;font-weight:800;font-family:var(--mono);color:var(--cyan-bright);margin:6px 0 2px}
.stat-card .d{font-size:12px;color:var(--ok)}

/* 表单 */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:var(--text-2)}
.field input,.field select,.field textarea{
  background:var(--bg-2);border:1px solid var(--line);border-radius:10px;padding:11px 14px;color:var(--text);font-size:14px;outline:none;transition:.18s;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--line-strong);box-shadow:var(--glow)}
.field textarea{resize:vertical;min-height:110px}
.field select{color:var(--text)}

/* 套餐卡 */
.plan-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.plan{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;position:relative}
.plan.hot{border-color:var(--cyan);box-shadow:var(--glow)}
.plan .flag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#0891b2,#22d3ee);color:#04121a;font-size:12px;font-weight:700;padding:4px 16px;border-radius:20px}
.plan h3{font-size:19px;font-weight:800}
.plan .price{font-size:38px;font-weight:800;font-family:var(--mono);color:var(--cyan-bright);margin:10px 0}
.plan .price small{font-size:13px;color:var(--text-3);font-weight:400}
.plan ul{list-style:none;margin:16px 0;display:grid;gap:10px;font-size:13.5px;color:var(--text-2)}
.plan li::before{content:"✓";color:var(--ok);margin-right:9px}
.plan li.no{color:var(--text-3)}
.plan li.no::before{content:"✕";color:var(--text-3);margin-right:9px}

/* Hero */
.hero{
  border:1px solid var(--line-strong);border-radius:22px;padding:44px 38px;position:relative;overflow:hidden;margin-bottom:26px;
  background:linear-gradient(135deg,rgba(8,145,178,.16),rgba(129,140,248,.10) 55%,transparent),var(--card);
}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(34,211,238,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(34,211,238,.06) 1px,transparent 1px);background-size:30px 30px}
.hero h1{font-size:clamp(26px,3.4vw,40px);font-weight:900;line-height:1.25;position:relative}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--cyan),var(--indigo));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--text-2);max-width:620px;margin:14px 0 24px;font-size:15px;position:relative}
.hero .actions{display:flex;gap:12px;position:relative;flex-wrap:wrap}

/* 工具图标块 */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}
.tool-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;cursor:pointer;transition:.2s;text-align:center}
.tool-card:hover{border-color:var(--cyan);transform:translateY(-3px);box-shadow:var(--glow)}
.tool-card .ti{width:52px;height:52px;margin:0 auto 12px;border-radius:14px;display:grid;place-items:center;font-size:24px;background:rgba(34,211,238,.1);border:1px solid var(--line-strong)}
.tool-card h4{font-size:14.5px;font-weight:700}
.tool-card p{font-size:12px;color:var(--text-3);margin-top:5px;line-height:1.5}

/* 评论 */
.comment{padding:16px 0;border-bottom:1px solid rgba(56,189,248,.08)}
.comment .ch{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.comment .av{width:32px;height:32px;border-radius:50%;background:rgba(56,189,248,.2);display:grid;place-items:center;font-size:13px}
.comment .cn{font-weight:600;font-size:13.5px}
.comment .ct{font-size:12px;color:var(--text-3)}
.comment .cb{font-size:13.5px;color:var(--text-2);line-height:1.6;padding-left:42px}

/* 弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(2,6,12,.72);backdrop-filter:blur(4px);z-index:100;display:none;place-items:center}
.modal-mask.open{display:grid}
.modal{width:420px;max-width:92vw;background:var(--bg-2);border:1px solid var(--line-strong);border-radius:18px;padding:28px;box-shadow:var(--glow)}
.modal h3{font-size:19px;font-weight:800;margin-bottom:18px;text-align:center}
.soc-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.soc-btn{padding:12px;border-radius:11px;border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;gap:8px;font-size:14px;font-weight:600;transition:.18s}
.soc-btn:hover{background:rgba(56,189,248,.1)}
.divider{display:flex;align-items:center;gap:12px;color:var(--text-3);font-size:12px;margin:18px 0}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line)}

/* 列表项(消息/记录) */
.list-row{display:flex;gap:14px;padding:16px 4px;border-bottom:1px solid rgba(56,189,248,.08);align-items:center}
.list-row .li{width:42px;height:42px;border-radius:12px;background:rgba(34,211,238,.1);display:grid;place-items:center;font-size:18px;flex-shrink:0}
.list-row .lb{flex:1}
.list-row .lb h4{font-size:14.5px;font-weight:600}
.list-row .lb p{font-size:12.5px;color:var(--text-3);margin-top:3px}
.list-row .lt{font-size:12px;color:var(--text-3);font-family:var(--mono)}

/* 面包屑导航页脚 */
.footer{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:18px;font-size:12.5px;color:var(--text-3)}
.footer a:hover{color:var(--cyan)}
.empty{text-align:center;padding:60px 0;color:var(--text-3)}
.empty .ei{font-size:40px;margin-bottom:12px}

/* 详情页 */
.detail-hero{display:flex;gap:24px;align-items:flex-start}
.detail-cover{width:150px;height:150px;border-radius:18px;display:grid;place-items:center;font-size:60px;flex-shrink:0;position:relative;overflow:hidden}
.detail-actions{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.desc-block{margin-top:24px}
.desc-block h3{font-size:16px;font-weight:700;margin-bottom:12px}
.desc-block p{color:var(--text-2);line-height:1.8;font-size:14.5px}

/* 响应式：移动端抽屉 */
.menu-toggle{display:none}
@media(max-width:920px){
  .sidebar{position:fixed;left:0;top:0;transform:translateX(-100%);transition:.25s}
  .sidebar.open{transform:translateX(0)}
  .menu-toggle{display:grid;place-items:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--line-strong);color:var(--cyan);font-size:18px}
  .stat-pill{display:none}
  .form-grid{grid-template-columns:1fr}
  .detail-hero{flex-direction:column}
}
.overlay{display:none;position:fixed;inset:0;background:rgba(2,6,12,.5);z-index:20}
@media(max-width:920px){.overlay.show{display:block}}

/* 小工具：评分星 */
.stars{color:var(--gold);letter-spacing:2px;cursor:pointer;font-size:16px}
.animate-in{animation:fadeUp .35s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}