:root{
  --bg:#F7F4EE; --surface:#FFFFFF; --primary:#15B079; --primary-d:#0E8C60;
  --secondary:#F2A65A; --ink:#1F2A24; --muted:#6B7A72; --line:#E4DED2;
  --danger:#E5484D; --accent:#2D9CDB; --radius:14px; --shadow:0 6px 24px rgba(31,42,36,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"WenQuanYi Zen Hei","Noto Sans CJK SC",-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);color:var(--ink);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;
  border-radius:10px;padding:10px 18px;font-size:15px;font-weight:600;cursor:pointer;
  transition:.15s;font-family:inherit}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{background:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-sm{padding:6px 12px;font-size:13px;border-radius:8px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:22px}
.input,select,textarea{width:100%;padding:11px 13px;border:1px solid var(--line);
  border-radius:10px;font-size:15px;font-family:inherit;background:#fff;color:var(--ink)}
.input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(21,176,121,.12)}
label{display:block;font-weight:600;margin-bottom:6px;font-size:14px}
.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}
.badge-green{background:rgba(21,176,121,.14);color:var(--primary-d)}
.badge-gray{background:#eee;color:var(--muted)}
.badge-amber{background:rgba(242,166,90,.18);color:#B9711E}
.badge-red{background:rgba(229,72,77,.14);color:var(--danger)}

/* ---------- 顶部导航 ---------- */
.topbar{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.topbar .wrap{display:flex;align-items:center;height:62px;gap:26px}
.logo{font-weight:800;font-size:19px;color:var(--primary);display:flex;align-items:center;gap:8px}
.logo .dot{width:10px;height:10px;border-radius:50%;background:var(--secondary)}
.nav{display:flex;gap:4px;flex:1}
.nav a{padding:8px 14px;border-radius:9px;color:var(--muted);font-weight:600;font-size:14px}
.nav a:hover,.nav a.active{background:rgba(21,176,121,.10);color:var(--primary-d)}
.topright{display:flex;align-items:center;gap:14px}
.topright .uname{font-weight:600;font-size:14px}
.credit-pill{background:rgba(242,166,90,.16);color:#B9711E;font-weight:700;
  padding:5px 12px;border-radius:999px;font-size:13px}

/* ---------- 落地页 ---------- */
.hero{padding:72px 0 48px;text-align:center}
.hero h1{font-size:46px;line-height:1.2;font-weight:800;letter-spacing:-1px}
.hero h1 .hl{color:var(--primary)}
.hero p{font-size:18px;color:var(--muted);max-width:640px;margin:18px auto 30px}
.hero .cta{display:flex;gap:14px;justify-content:center}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:30px 0 10px}
.feat{padding:24px}
.feat .ic{font-size:26px;margin-bottom:10px}
.feat h3{font-size:17px;margin-bottom:6px}
.feat p{color:var(--muted);font-size:14px}
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:30px 0 60px}
.plan{border:2px solid var(--line);position:relative}
.plan.hot{border-color:var(--primary)}
.plan .tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--primary);color:#fff;font-size:12px;padding:3px 12px;border-radius:999px;font-weight:700}
.plan .pname{font-size:18px;font-weight:700}
.plan .price{font-size:34px;font-weight:800;color:var(--primary);margin:10px 0}
.plan .price small{font-size:15px;color:var(--muted);font-weight:500}
.plan ul{list-style:none;margin:14px 0;font-size:14px;color:var(--muted)}
.plan ul li{padding:5px 0;border-bottom:1px dashed var(--line)}
.foot{text-align:center;color:var(--muted);padding:30px 0;font-size:13px}
.section-title{text-align:center;font-size:28px;font-weight:800;margin:10px 0 4px}
.section-sub{text-align:center;color:var(--muted);margin-bottom:18px}

/* ---------- 仪表盘 ---------- */
.page{padding:30px 0}
.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.page-head h2{font-size:26px;font-weight:800}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:26px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow)}
.stat .v{font-size:30px;font-weight:800;color:var(--primary)}
.stat .k{color:var(--muted);font-size:13px;margin-top:2px}
.grid2{display:grid;grid-template-columns:1.4fr 1fr;gap:18px}
.list{list-style:none}
.list li{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.list li:last-child{border:none}

/* ---------- 工作室 ---------- */
.studio{display:grid;grid-template-columns:380px 1fr;gap:22px;align-items:start}
.form-card .row{margin-bottom:16px}
.range-row{display:flex;align-items:center;gap:12px}
.range-row input[type=range]{flex:1}
.range-val{font-weight:800;font-size:20px;color:var(--primary);min-width:34px;text-align:center}
.progress-box{display:none;margin-top:18px}
.bar{height:12px;background:#eee;border-radius:999px;overflow:hidden}
.bar>i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--primary),var(--secondary));transition:.3s}
.stage-msg{font-size:13px;color:var(--muted);margin-top:8px}
.preview{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  min-height:440px;display:flex;align-items:center;justify-content:center;color:var(--muted);
  box-shadow:var(--shadow);padding:30px;text-align:center}
.preview svg{max-width:100%;height:auto;border-radius:8px;box-shadow:0 4px 16px rgba(0,0,0,.08)}
.dl-btn{margin-top:16px;width:100%}

/* ---------- 表格 ---------- */
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:12px 10px;text-align:left;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;font-size:13px;background:#faf8f3}
tr:hover td{background:#faf8f3}
.actions{display:flex;gap:6px;flex-wrap:wrap}

/* ---------- 运营后台 ---------- */
.admin{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.sidebar{background:#1F2A24;color:#cfd8d3;padding:20px 0}
.sidebar .slogo{color:#fff;font-weight:800;font-size:18px;padding:0 22px 18px;display:flex;gap:8px;align-items:center}
.sidebar a{display:block;padding:11px 22px;color:#cfd8d3;font-weight:600;font-size:14px;border-left:3px solid transparent}
.sidebar a:hover,.sidebar a.active{background:rgba(21,176,121,.18);color:#fff;border-color:var(--primary)}
.sidebar .sfoot{padding:18px 22px;font-size:12px;color:#7e8a84;border-top:1px solid #2c3a33;margin-top:14px}
.admin-main{background:var(--bg);padding:26px 30px;overflow:auto}
.admin-main .ahead{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.admin-main .ahead h2{font-size:24px;font-weight:800}

/* ---------- 登录/注册 ---------- */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#eef6f1,#fbf3e8)}
.auth-card{width:400px;background:#fff;border-radius:18px;box-shadow:var(--shadow);padding:36px}
.auth-card h2{font-size:24px;font-weight:800;text-align:center;margin-bottom:6px}
.auth-card .sub{text-align:center;color:var(--muted);margin-bottom:24px;font-size:14px}
.auth-card .err{background:rgba(229,72,77,.10);color:var(--danger);padding:10px 14px;
  border-radius:10px;font-size:13px;margin-bottom:16px;text-align:center}
.auth-card .foot{text-align:center;margin-top:20px;color:var(--muted);font-size:14px}
.auth-card .foot a{color:var(--primary);font-weight:600}

/* ---------- 响应式 ---------- */
@media(max-width:900px){
  .features,.pricing{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .grid2,.studio{grid-template-columns:1fr}
  .admin{grid-template-columns:1fr}.sidebar{display:none}
}