:root{
  --bg:#061223;
  --bg-2:#08182C;
  --panel:#0E2340;
  --panel-2:#122B4C;
  --line:rgba(140,175,220,.16);
  --line-strong:rgba(201,168,106,.30);
  --text:#EAF1FB;
  --text-2:#9DB2CE;
  --text-3:#6C84A3;
  --brand:#2C7BE5;
  --brand-2:#4A9BFF;
  --gold:#C9A86A;
  --gold-2:#E7CE9B;
  --ok:#2FB67C;
  --warn:#E0A33C;
  --danger:#E35D5D;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 12px 34px rgba(0,10,25,.45);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(1200px 600px at 100% -10%, rgba(44,123,229,.18), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(201,168,106,.10), transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:15px;line-height:1.6;min-height:100vh;
}
a{color:var(--brand-2);text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:15px;color:inherit}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-thumb{background:rgba(140,175,220,.25);border-radius:3px}

.wrap{max-width:960px;margin:0 auto;padding:0 16px}
.narrow{max-width:560px}

/* 顶部导航 */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(6,18,35,.86);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-in{max-width:960px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;gap:12px}
.logo{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:.5px}
.logo-mark{
  width:30px;height:30px;border-radius:8px;flex:none;
  background:linear-gradient(135deg,var(--gold),#8d6f33);
  display:flex;align-items:center;justify-content:center;color:#12213a;font-weight:800;font-size:15px;
}
.logo small{display:block;font-size:11px;color:var(--text-3);font-weight:500;letter-spacing:1px}
.nav-sp{flex:1}
.nav a.nv{color:var(--text-2);font-size:14px;padding:6px 10px;border-radius:8px}
.nav a.nv:hover{color:var(--text);background:rgba(140,175,220,.08)}
.nav .btn{padding:7px 14px;font-size:14px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:11px 18px;border-radius:10px;border:1px solid transparent;
  background:var(--brand);color:#fff;cursor:pointer;font-weight:600;
  transition:.15s;line-height:1.2;
}
.btn:hover{filter:brightness(1.1)}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn-gold{background:linear-gradient(135deg,var(--gold),#a8843f);color:#1a2740}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text-2)}
.btn-ghost:hover{border-color:var(--brand);color:var(--text)}
.btn-sm{padding:7px 12px;font-size:13px;border-radius:8px}
.btn-block{width:100%}
.btn-danger{background:transparent;border:1px solid rgba(227,93,93,.5);color:#F09A9A}

/* 卡片 */
.card{
  background:linear-gradient(180deg,rgba(18,43,76,.86),rgba(14,35,64,.86));
  border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);
}
.card + .card{margin-top:14px}
.card-title{font-size:16px;font-weight:700;margin:0 0 12px;display:flex;align-items:center;gap:8px}
.card-title .sub{font-size:12px;color:var(--text-3);font-weight:500}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

/* 表单 */
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px}
.input,select.input,textarea.input{
  width:100%;padding:11px 12px;border-radius:10px;
  background:rgba(4,14,28,.75);border:1px solid var(--line);color:var(--text);
  outline:none;transition:.15s;
}
.input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(44,123,229,.15)}
textarea.input{min-height:90px;resize:vertical}
select.input{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 18px) 18px,calc(100% - 13px) 18px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.hint{font-size:12px;color:var(--text-3);margin-top:5px}

/* 文本 */
.h1{font-size:26px;font-weight:800;line-height:1.35;margin:0 0 10px}
.h2{font-size:19px;font-weight:700;margin:0 0 8px}
.muted{color:var(--text-2)}
.tiny{font-size:12px;color:var(--text-3)}
.center{text-align:center}
.mt{margin-top:16px}.mt-s{margin-top:10px}.mt-l{margin-top:26px}
.mb{margin-bottom:16px}
.row{display:flex;gap:10px;align-items:center}
.row-wrap{flex-wrap:wrap}
.sp{flex:1}
.gold{color:var(--gold)}

/* 标签 */
.tag{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11px;border:1px solid var(--line);color:var(--text-2)}
.tag-gold{border-color:rgba(201,168,106,.45);color:var(--gold-2);background:rgba(201,168,106,.10)}
.tag-ok{border-color:rgba(47,182,124,.45);color:#7EE2B0;background:rgba(47,182,124,.10)}
.tag-warn{border-color:rgba(224,163,60,.45);color:#F2C67E;background:rgba(224,163,60,.10)}
.tag-danger{border-color:rgba(227,93,93,.45);color:#F3A5A5;background:rgba(227,93,93,.10)}

/* 套餐 */
.plan{
  background:linear-gradient(180deg,rgba(18,43,76,.9),rgba(10,26,48,.9));
  border:1px solid var(--line);border-radius:var(--radius);padding:22px 18px;position:relative;overflow:hidden;
}
.plan.hot{border-color:rgba(201,168,106,.55);box-shadow:0 14px 40px rgba(201,168,106,.14)}
.plan .badge{
  position:absolute;top:0;right:0;background:linear-gradient(135deg,var(--gold),#a8843f);
  color:#1a2740;font-size:11px;font-weight:800;padding:4px 12px;border-bottom-left-radius:12px;
}
.plan .price{font-size:32px;font-weight:800;color:var(--gold-2);line-height:1.1}
.plan .price small{font-size:13px;color:var(--text-3);font-weight:500}
.plan .origin{text-decoration:line-through;color:var(--text-3);font-size:12px;margin-left:6px}
.plan ul{list-style:none;padding:0;margin:14px 0 18px}
.plan li{font-size:13.5px;color:var(--text-2);padding:5px 0 5px 20px;position:relative}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:700}

/* 统计 */
.stat{background:rgba(8,22,42,.7);border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px}
.stat .n{font-size:22px;font-weight:800;line-height:1.2}
.stat .l{font-size:12px;color:var(--text-3);margin-top:2px}

/* 表格 */
.table{width:100%;border-collapse:collapse;font-size:13.5px}
.table th,.table td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.table th{color:var(--text-3);font-weight:600;font-size:12.5px;white-space:nowrap}
.table tr:last-child td{border-bottom:none}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.empty{padding:26px;text-align:center;color:var(--text-3);font-size:13.5px}

/* Tabs */
.tabs{display:flex;gap:6px;overflow-x:auto;padding-bottom:8px;margin-bottom:14px;border-bottom:1px solid var(--line)}
.tabs::-webkit-scrollbar{height:0}
.tab{padding:8px 14px;border-radius:9px;font-size:14px;color:var(--text-2);cursor:pointer;white-space:nowrap;border:1px solid transparent}
.tab.on{background:rgba(44,123,229,.16);border-color:rgba(44,123,229,.4);color:#CFE4FF;font-weight:600}

/* 列表项 */
.item{display:flex;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.item:last-child{border-bottom:none}
.avatar{width:44px;height:44px;border-radius:10px;background:linear-gradient(135deg,#1d3f6e,#122b4c);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--gold-2);flex:none;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover}

/* 弹窗 */
.modal{position:fixed;inset:0;background:rgba(2,8,18,.78);display:none;align-items:flex-end;justify-content:center;z-index:200;padding:0}
.modal.on{display:flex}
.modal-box{
  width:100%;max-width:520px;background:var(--panel);border:1px solid var(--line);
  border-radius:16px 16px 0 0;padding:20px 18px 26px;max-height:88vh;overflow:auto;
  animation:up .22s ease;
}
@keyframes up{from{transform:translateY(30px);opacity:.6}to{transform:translateY(0);opacity:1}}
.modal-head{display:flex;align-items:center;margin-bottom:14px}
.modal-head .h2{flex:1}
.close{cursor:pointer;color:var(--text-3);font-size:22px;line-height:1;padding:0 4px}

/* 提示条 */
.toast{
  position:fixed;left:50%;transform:translateX(-50%) translateY(-20px);top:16px;z-index:999;
  background:rgba(12,32,58,.97);border:1px solid var(--line);color:var(--text);
  padding:11px 18px;border-radius:10px;font-size:14px;box-shadow:var(--shadow);
  opacity:0;transition:.22s;pointer-events:none;max-width:88vw;text-align:center;
}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}

/* 隐私授权弹窗 */
.consent{position:fixed;inset:0;background:rgba(2,8,18,.86);z-index:300;display:none;align-items:flex-end;justify-content:center}
.consent.on{display:flex}
.consent-box{width:100%;max-width:520px;background:var(--panel);border:1px solid var(--line-strong);border-radius:16px 16px 0 0;padding:20px 18px 24px;max-height:86vh;overflow:auto}
.consent-box h3{margin:0 0 10px;font-size:17px}
.consent-box p{font-size:13.5px;color:var(--text-2);margin:0 0 10px}
.consent-box ul{padding-left:18px;margin:0 0 14px;font-size:13px;color:var(--text-2)}
.consent-box li{margin-bottom:5px}

/* 海报 */
.poster{
  background:linear-gradient(160deg,#0B2444 0%,#0A1C34 60%,#0E2A4C 100%);
  border:1px solid var(--line-strong);border-radius:16px;padding:22px;text-align:center;position:relative;overflow:hidden;
}
.poster::after{content:"";position:absolute;inset:0;background:radial-gradient(400px 200px at 120% -10%,rgba(201,168,106,.18),transparent 60%)}
.poster .p-title{font-size:21px;font-weight:800;letter-spacing:.5px}
.poster .p-slogan{font-size:13px;color:var(--text-2);margin-top:6px}
.poster .qr-box{background:#fff;border-radius:12px;padding:10px;display:inline-block;margin:16px 0 10px}
.poster .link{font-size:12px;color:var(--gold-2);word-break:break-all}

/* 底部安全区 */
.safe{padding-bottom:env(safe-area-inset-bottom)}
.footer{padding:34px 16px;text-align:center;color:var(--text-3);font-size:12px}

/* 聊天 */
.chat-box{max-height:46vh;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:10px}
.bubble{max-width:78%;padding:9px 12px;border-radius:12px;font-size:14px;word-break:break-word}
.bubble.visitor{align-self:flex-start;background:rgba(26,58,99,.9);border:1px solid var(--line)}
.bubble.staff{align-self:flex-end;background:linear-gradient(135deg,#2C7BE5,#1B5FBF);color:#fff}
.bubble .t{font-size:10px;opacity:.6;margin-top:3px}

/* 响应式 */
@media (max-width:760px){
  .g2,.g3,.g4{grid-template-columns:1fr}
  .h1{font-size:22px}
  .plan .price{font-size:28px}
  .hide-sm{display:none}
}

/* 落地页功能入口卡片 */
.feature-card{text-decoration:none;color:inherit;display:block;cursor:pointer;transition:.2s}
.feature-card:hover{transform:translateY(-3px);border-color:var(--line-strong)}
.feature-card .h2{color:var(--text)}