:root{
  --primary:#696cff;
  --primary-dark:#5f61e6;
  --primary-soft:rgba(105,108,255,.12);
  --bg:#f5f5f9;
  --card:#fff;
  --text:#566a7f;
  --head:#5d586c;
  --muted:#a1acb8;
  --border:#e4e6ef;
  --green:#71dd37;
  --green-soft:rgba(113,221,55,.16);
  --red:#ff3e1d;
  --red-soft:rgba(255,62,29,.16);
  --warn:#ffab00;
  --info:#03c3ec;
  --radius:.5rem;
  --shadow:0 .25rem 1rem rgba(161,172,184,.45);
  --shadow-sm:0 .125rem .375rem rgba(161,172,184,.3);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Public Sans",-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.55;font-size:15px}
a{color:inherit;text-decoration:none}
.container{max-width:1140px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}

/* ================= 公共按钮/徽章 ================= */
.btn{display:inline-block;padding:11px 26px;border-radius:var(--radius);font-size:15px;font-weight:500;cursor:pointer;border:none;transition:.15s}
.btn.primary{background:var(--primary);color:#fff;box-shadow:0 .125rem .25rem rgba(105,108,255,.4)}
.btn.primary:hover{background:var(--primary-dark)}
.btn.ghost{background:#fff;border:1px solid var(--border);color:var(--head)}
.btn.ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn.block{width:100%;text-align:center}
.btn-sm{padding:6px 14px;border-radius:6px;border:1px solid var(--border);font-size:13px;background:#fff;cursor:pointer;color:var(--head)}
.btn-sm.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.badge{padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;display:inline-block}
.badge.paid{background:var(--green-soft);color:#5cb800}
.badge.pending{background:rgba(255,171,0,.16);color:#cf8a00}
.badge.failed{background:var(--red-soft);color:var(--red)}
.badge.test{background:var(--primary-soft);color:var(--primary)}

/* ================= 营销官网 ================= */
.navbar{background:rgba(255,255,255,.85);backdrop-filter:blur(10px);border-radius:0 0 16px 16px;position:sticky;top:0;z-index:50;box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-size:21px;font-weight:800;display:flex;align-items:center;gap:8px;color:var(--head)}
.logo{display:inline-flex;width:34px;height:34px;background:var(--primary);color:#fff;border-radius:9px;align-items:center;justify-content:center;font-weight:700;box-shadow:0 .125rem .25rem rgba(105,108,255,.4)}
.nav-links{display:flex;align-items:center;gap:24px;font-size:15px}
.nav-links a{color:var(--text);font-weight:500}
.nav-links a:hover{color:var(--primary)}
.nav-links .btn-sm.primary{padding:9px 18px;border-radius:8px;box-shadow:0 .125rem .25rem rgba(105,108,255,.4)}

.hero-wrap{background:linear-gradient(180deg,#e7e7ff 0%,#f3eaff 40%,#fde9f3 75%,#f5f5f9 100%);padding-bottom:60px;margin-top:-10px}
.hero{text-align:center;padding:70px 20px 30px;max-width:780px;margin:0 auto}
.hero h1{font-size:46px;font-weight:800;line-height:1.25;color:#5a5fe0;letter-spacing:-1px}
.hero h1 .hl{background:linear-gradient(90deg,#696cff,#c14bff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:16px;color:#8a8fa3;margin-top:18px}
.hero .cta{margin-top:34px;display:flex;gap:16px;justify-content:center;align-items:center}
.hero .join{display:flex;align-items:center;gap:6px;color:#8a8fa3;font-size:14px}

.section{padding:56px 0}
.sec-badge{display:inline-block;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;padding:5px 14px;border-radius:20px}
.section-title{text-align:center;margin-bottom:36px}
.section-title h2{font-size:30px;font-weight:700;color:var(--head);margin-top:14px}
.section-title p{color:var(--muted);margin-top:10px}

.features{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.feature{text-align:center;padding:20px}
.feature .ico{font-size:42px;color:var(--primary)}
.feature h3{margin:16px 0 8px;font-size:19px;color:var(--head)}
.feature p{color:var(--muted);font-size:14px;line-height:1.7}

/* 套餐卡片 */
.pkg-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pkg{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm);position:relative;transition:.2s}
.pkg:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.pkg.featured{border:2px solid var(--primary)}
.pkg .tag{position:absolute;top:-12px;right:22px;background:var(--primary);color:#fff;font-size:12px;padding:4px 14px;border-radius:20px;box-shadow:0 .125rem .25rem rgba(105,108,255,.4)}
.pkg h3{font-size:20px;color:var(--head)}
.pkg .desc{color:var(--muted);font-size:14px;min-height:22px;margin-top:4px}
.pkg .price{font-size:40px;font-weight:800;color:var(--primary);margin:18px 0}
.pkg .price small{font-size:15px;color:var(--muted);font-weight:400}
.pkg ul{list-style:none;margin:16px 0 22px;display:flex;flex-direction:column;gap:11px}
.pkg ul li{font-size:14px;padding-left:26px;position:relative;color:var(--text)}
.pkg ul li:before{content:"✓";position:absolute;left:0;width:18px;height:18px;background:var(--green-soft);color:#5cb800;border-radius:50%;font-size:11px;display:flex;align-items:center;justify-content:center}

/* 登录注册 */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#e7e7ff,#fde9f3);padding:20px}
.auth-wrap{width:420px;max-width:100%;background:#fff;border-radius:14px;padding:40px 36px;box-shadow:var(--shadow)}
.auth-brand{display:flex;align-items:center;gap:10px;justify-content:center;font-size:22px;font-weight:800;color:var(--head);margin-bottom:8px}
.auth-wrap h2{text-align:center;font-size:20px;color:var(--head);margin-bottom:6px}
.auth-wrap .sub{text-align:center;color:var(--muted);font-size:14px;margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;margin-bottom:7px;color:var(--head);font-weight:500}
.field input,.field textarea,.field select{width:100%;padding:11px 14px;border:1px solid var(--border);border-radius:8px;font-size:15px;font-family:inherit;color:var(--text)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.auth-foot{text-align:center;margin-top:18px;font-size:14px;color:var(--muted)}
.auth-foot a{color:var(--primary);font-weight:500}

/* flash */
.flash-area{margin-bottom:18px;display:flex;flex-direction:column;gap:10px}
.flash{padding:13px 16px;border-radius:8px;font-size:14px;border-left:3px solid}
.flash-success{background:var(--green-soft);color:#5cb800;border-color:#71dd37}
.flash-danger{background:var(--red-soft);color:var(--red);border-color:var(--red)}
.flash-warning{background:rgba(255,171,0,.16);color:#cf8a00;border-color:var(--warn)}
.flash-info{background:rgba(3,195,236,.16);color:#0bacc9;border-color:var(--info)}

.footer{text-align:center;padding:30px;color:var(--muted);font-size:14px;background:#fff;margin-top:40px;border-top:1px solid var(--border)}

/* ================= 控制台 Sneat 风格 ================= */
body.dash{background:var(--bg)}
.app-shell{display:flex;min-height:100vh}
.sidebar{width:248px;background:#fff;display:flex;flex-direction:column;padding:14px 14px 18px;position:fixed;top:0;bottom:0;left:0;overflow-y:auto;box-shadow:0 0 1.5rem 0 rgba(161,172,184,.2);z-index:60}
.side-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--head);padding:10px 10px 22px}
.side-brand .logo{width:32px;height:32px}
.side-group{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px;margin:18px 12px 8px;font-weight:600}
.side-nav{display:flex;flex-direction:column;gap:2px}
.side-nav a{display:flex;align-items:center;gap:12px;padding:10px 13px;border-radius:8px;color:#697a8d;font-size:14.5px;transition:.15s;font-weight:500}
.side-nav a i{font-style:normal;width:22px;text-align:center;font-size:16px;opacity:.85}
.side-nav a:hover{background:#f5f5f9;color:var(--head)}
.side-nav a.on{background:var(--primary-soft);color:var(--primary);font-weight:600}
.side-foot{margin-top:auto;padding-top:16px;display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--border)}
.side-foot a{display:flex;align-items:center;gap:12px;padding:9px 13px;border-radius:8px;color:#697a8d;font-size:14px;font-weight:500}
.side-foot a i{font-style:normal;width:22px;text-align:center}
.side-foot a:hover{background:#f5f5f9;color:var(--head)}

.app-body{flex:1;margin-left:248px;display:flex;flex-direction:column;min-width:0}
.topbar{height:64px;background:#fff;border-radius:12px;display:flex;align-items:center;gap:14px;padding:0 22px;margin:14px 22px 0;box-shadow:var(--shadow-sm);position:sticky;top:14px;z-index:20}
.topbar-title{font-size:17px;font-weight:700;color:var(--head)}
.topbar-user{margin-left:auto;display:flex;align-items:center;gap:10px}
.topbar-user .uname{font-weight:600;color:var(--head)}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.hamburger{display:none;background:none;border:none;font-size:22px;cursor:pointer;color:var(--head)}
.app-main{padding:22px;max-width:1240px;width:100%}

/* 欢迎卡片 */
.welcome-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:26px 28px;margin-bottom:22px;position:relative;overflow:hidden;min-height:160px}
.welcome-card h2{font-size:22px;color:var(--primary);margin-bottom:10px}
.welcome-card p{color:var(--muted);font-size:14px;max-width:60%;line-height:1.8}
.welcome-card .wc-img{position:absolute;right:24px;bottom:0;height:150px}
.welcome-card .btn-sm{margin-top:14px;display:inline-block}

/* 统计卡片 */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:22px}
.card{background:#fff;border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow-sm)}
.card .stat-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.card .thumb{width:40px;height:40px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:20px;background:var(--primary-soft)}
.card .thumb.green{background:var(--green-soft)}
.card .thumb.red{background:var(--red-soft)}
.card .thumb.info{background:rgba(3,195,236,.16)}
.card .thumb.warn{background:rgba(255,171,0,.16)}
.card .label{color:var(--muted);font-size:14px}
.card .num{font-size:24px;font-weight:700;color:var(--head);margin-top:3px}
.card .trend{font-size:12px;margin-top:6px;font-weight:600}
.card .trend.up{color:#5cb800}
.card .trend.down{color:var(--red)}

.panel{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);margin-bottom:22px}
.panel h3{margin-bottom:16px;font-size:17px;color:var(--head)}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.panel-head h3{margin:0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}

.welcome{font-size:16px;margin-bottom:20px;color:var(--muted)}
.quick-links{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.quick{display:flex;flex-direction:column;align-items:center;gap:10px;padding:24px;border:1px solid var(--border);border-radius:10px;font-size:14px;font-weight:600;color:var(--head);transition:.15s}
.quick span{font-size:28px}
.quick:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-3px);box-shadow:var(--shadow-sm)}

/* 表格 */
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:12px 12px;border-bottom:1px solid var(--border)}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.3px}
td{color:var(--text)}
table.kv td{padding:10px 6px}
table.kv td:first-child{color:var(--muted);width:110px}

/* 凭证 */
.cred{background:#2e3142;color:#9fe6c0;border-radius:10px;padding:20px;font-family:Consolas,monospace;font-size:13px;line-height:2;overflow:auto}
.cred .k{color:#82d3ff}
.codeblock{background:#2e3142;color:#d5d8e6;padding:18px;border-radius:10px;font-family:Consolas,monospace;font-size:13px;line-height:1.7;overflow:auto;white-space:pre}

/* 收银台 */
.cashier{max-width:480px;margin:30px auto;text-align:center}
.qr-box{background:#fff;border-radius:14px;padding:34px;box-shadow:var(--shadow)}
.qr-box img{width:230px;height:230px}
.amount{font-size:38px;font-weight:800;color:var(--primary);margin:8px 0}
.order-meta{color:var(--muted);font-size:14px;margin-bottom:14px}
.success-icon{font-size:64px;color:var(--green)}

/* docs */
.docs h1{margin-bottom:8px;color:var(--head)}
.docs h2{margin:32px 0 12px;padding-bottom:8px;border-bottom:2px solid var(--border);color:var(--head)}
.docs h3{margin:20px 0 10px;color:var(--head)}
.docs pre{background:#2e3142;color:#d5d8e6;padding:18px;border-radius:10px;overflow:auto;font-size:13px;margin:12px 0}
.docs code{background:var(--primary-soft);color:var(--primary);padding:2px 6px;border-radius:5px;font-size:13px}
.docs pre code{background:none;color:inherit;padding:0}
.docs ul{margin:10px 0 10px 22px}

.row-actions{display:flex;gap:8px;flex-wrap:wrap}
.row-actions form{display:inline}
.row-actions button,.row-actions a{padding:5px 12px;font-size:13px;border-radius:6px;border:1px solid var(--border);background:#fff;cursor:pointer;color:var(--head)}
.row-actions button:hover{border-color:var(--primary);color:var(--primary)}
.danger-text{color:var(--red)!important}
.primary-text{color:var(--primary)!important;border-color:var(--primary)!important;font-weight:600}
.search{display:flex;gap:8px}
.search input{padding:8px 12px;border:1px solid var(--border);border-radius:8px}
.tabs{display:flex;gap:6px}
.tabs a{padding:6px 14px;border-radius:8px;font-size:13px;border:1px solid var(--border);color:var(--muted)}
.tabs a.on{background:var(--primary);color:#fff;border-color:var(--primary)}

/* modal */
.modal{display:none;position:fixed;inset:0;background:rgba(67,89,113,.5);z-index:100;align-items:center;justify-content:center}
.modal.show{display:flex}
.modal-box{background:#fff;border-radius:12px;padding:26px;width:380px;max-width:92vw;box-shadow:var(--shadow)}
.modal-box h3{margin-bottom:16px;color:var(--head)}

/* 余额 */
.balance-bar{display:flex;align-items:center;justify-content:space-between;gap:16px}
.balance-num{font-size:30px;font-weight:800;color:var(--primary);line-height:1.2}
.pkg form .btn.block+.btn.block{margin-top:10px}
.plan-panel{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.plan-name{font-size:22px;font-weight:700;color:var(--primary);margin:4px 0}
.plan-name.expired{color:var(--red)}
.plan-name.none{color:var(--muted)}
.amt-quick{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.amt-quick button{padding:5px 12px;font-size:13px;border-radius:6px;border:1px solid var(--border);background:#fff;cursor:pointer;color:var(--head)}
.amt-quick button:hover{border-color:var(--primary);color:var(--primary)}
.btn:disabled{background:#f1f2f6;color:var(--muted);cursor:not-allowed;border:1px solid var(--border);box-shadow:none}

@media(max-width:900px){
  .features,.pkg-grid{grid-template-columns:1fr}
  .cards,.quick-links{grid-template-columns:repeat(2,1fr)}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .welcome-card p{max-width:100%}
  .welcome-card .wc-img{display:none}
  .sidebar{transform:translateX(-100%);transition:.2s}
  .sidebar.open{transform:translateX(0)}
  .app-body{margin-left:0}
  .hamburger{display:block}
}