:root{
  --bg:#F4F6FB; --surface:#FFFFFF; --ink:#0E1117; --muted:#6B7280;
  --blue:#3B5BFF; --teal:#00C2AC; --orange:#FF6A3D;
  --green:#16A34A; --green-bg:#E7F8EF;
  --line:#E6E9F0; --shadow:0 1px 3px rgba(16,24,40,.08),0 6px 18px rgba(16,24,40,.06);
  --radius:14px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Inter,sans-serif;
  line-height:1.6;font-size:15px}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
h1,h2,h3{margin:0 0 .4em;font-weight:800;letter-spacing:-.01em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:10px;
  font-weight:700;font-size:14px;cursor:pointer;border:1px solid transparent;transition:.15s}
.btn-blue{background:var(--blue);color:#fff}
.btn-orange{background:var(--orange);color:#fff}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline{background:#fff;border:1px solid var(--blue);color:var(--blue)}
.btn:hover{transform:translateY(-1px);opacity:.95}
.btn-block{width:100%}
.link-muted{color:var(--muted);font-size:13px}
.link-muted:hover{color:var(--blue)}

/* header */
.hd{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.hd .wrap{display:flex;align-items:center;gap:18px;height:64px}
.hd-auth .wrap{justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.brand small{display:block;font-size:11px;color:var(--muted);font-weight:600;letter-spacing:.12em}
.logo-mark{width:40px;height:40px;flex:none}
.search{flex:1;max-width:440px;display:flex}
.search input{flex:1;border:1px solid var(--line);background:var(--bg);border-radius:10px;padding:9px 14px;font-size:14px;outline:none}
.search input:focus{border-color:var(--blue);background:#fff}
.hd-nav{margin-left:auto;display:flex;align-items:center;gap:12px}

.subnav{background:#fff;border-bottom:1px solid var(--line)}
.subnav .wrap{display:flex;align-items:center;gap:18px;height:46px;font-size:14px}
.subnav a{color:var(--muted);font-weight:600}
.subnav a:hover{color:var(--blue)}
.subnav .spacer{flex:1}
.subnav .me{font-weight:700}
.subnav-admin .wrap a:hover{color:var(--teal)}

/* layout */
main{padding:28px 0 60px}
.section{margin-bottom:34px}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:14px}
.section-head h2{font-size:20px}
.muted{color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-block;padding:6px 13px;border:1px solid var(--line);border-radius:999px;font-size:13px;color:var(--muted);background:#fff;cursor:pointer}
.chip.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.chip:hover{border-color:var(--blue);color:var(--blue)}
.chip.active:hover{color:#fff}

/* cards grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px}
.card .thumb{height:120px;border-radius:10px;background:linear-gradient(135deg,#EEF1FF,#E9FBF6);display:flex;align-items:center;justify-content:center;font-size:34px;border:1px solid var(--line)}
.card h3{font-size:16px;margin:0}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{font-size:12px;padding:3px 9px;border-radius:6px;background:#EEF1FF;color:var(--blue);font-weight:600}
.tag.teal{background:#E9FBF6;color:var(--teal)}
.price{margin-top:auto;display:flex;align-items:baseline;gap:8px;font-weight:800;color:var(--ink)}
.price .small{font-size:12px;color:var(--muted);font-weight:600}
.pill{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px}
.pill-green{background:var(--green-bg);color:var(--green)}
.pill-warn{background:#FFF3E6;color:#C2410C}
.pill-gray{background:#EEF1F6;color:var(--muted)}
.by{font-size:13px;color:var(--muted)}

/* featured */
.featured{display:grid;grid-template-columns:1.2fr 1fr;gap:22px;background:linear-gradient(135deg,#EEF1FF,#E9FBF6);border:1px solid var(--line);border-radius:18px;padding:24px}
.featured .ftag{display:inline-block;font-size:12px;font-weight:800;color:var(--blue);letter-spacing:.1em;margin-bottom:8px}
.featured h2{font-size:26px}
.featured ul{margin:10px 0 0;padding-left:18px;color:#374151}
.featured .pic{border-radius:14px;background:#fff;border:1px solid var(--line);min-height:200px;display:flex;align-items:center;justify-content:center;font-size:60px}

/* detail */
.detail{display:grid;grid-template-columns:1fr 340px;gap:26px;align-items:start}
.block{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:18px;box-shadow:var(--shadow)}
.block h3{font-size:16px;display:flex;align-items:center;gap:8px}
.block h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--blue)}
.func{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line)}
.func:last-child{border-bottom:none}
.func .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);margin-top:8px;flex:none}
.buybox{position:sticky;top:88px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.buybox .pp{font-size:13px;color:var(--muted);margin-bottom:4px}
.buybox .big{font-size:24px;font-weight:800;color:var(--orange)}
.buybox .row{display:flex;justify-content:space-between;font-size:14px;color:#374151;margin:6px 0}
.buybox hr{border:none;border-top:1px solid var(--line);margin:14px 0}

/* forms */
.form{max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.form .field{margin-bottom:18px}
.form label{display:block;font-weight:700;margin-bottom:7px}
.form .hint{font-weight:400;color:var(--muted);font-size:13px}
.form input[type=text],.form input[type=number],.form input[type=password],.form input[type=email],.form textarea,.form select{
  width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:15px;font-family:inherit;outline:none;background:#fff}
.form input:focus,.form textarea:focus{border-color:var(--blue)}
.form textarea{resize:vertical;min-height:90px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.func-row{display:grid;grid-template-columns:1fr 2fr auto;gap:10px;margin-bottom:10px;align-items:start}
.func-row input{padding:9px 11px}
.icon-btn{background:#fff;border:1px solid var(--line);border-radius:8px;width:38px;height:38px;cursor:pointer;color:var(--muted);font-size:18px}
.icon-btn:hover{border-color:var(--orange);color:var(--orange)}
.steps{display:flex;gap:8px;margin-bottom:22px;flex-wrap:wrap}
.steps .s{font-size:13px;color:var(--muted);padding:6px 12px;border-radius:999px;background:#EEF1F6}
.steps .s.on{background:var(--blue);color:#fff}
.notice{background:var(--green-bg);color:var(--green);border:1px solid #B7EBD0;border-radius:10px;padding:12px 14px;margin-bottom:16px;font-weight:600}
.alert{background:#FFF3E6;color:#C2410C;border:1px solid #FCD9B6;border-radius:10px;padding:12px 14px;margin-bottom:16px;font-weight:600}

/* 多图上传 */
.uploader{margin-top:2px}
.up-add{display:inline-flex;align-items:center;gap:6px;padding:10px 16px;border:1px dashed var(--blue);border-radius:10px;background:#F5F7FF;color:var(--blue);font-weight:700;font-size:14px;cursor:pointer}
.up-add:hover{background:#EEF1FF}
.up-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(108px,1fr));gap:10px;margin-top:12px}
.up-item{position:relative;border:1px solid var(--line);border-radius:10px;overflow:hidden;aspect-ratio:4/3;background:#fff}
.up-item img{width:100%;height:100%;object-fit:cover;display:block}
.up-del{position:absolute;top:4px;right:4px;width:24px;height:24px;border:none;border-radius:50%;background:rgba(14,17,23,.6);color:#fff;font-size:15px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}
.up-del:hover{background:var(--orange)}

/* 内嵌表单（增加会员等）统一输入框样式 */
.iform{max-width:none;background:transparent;border:none;box-shadow:none;padding:0}
.iform .field{margin-bottom:16px}
.iform label{display:block;font-weight:700;margin-bottom:7px}
.iform .hint{font-weight:400;color:var(--muted);font-size:13px}
.iform input[type=text],.iform input[type=password]{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:15px;font-family:inherit;outline:none;background:#fff;transition:.15s}
.iform input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(59,91,255,.14)}
.iform .btn{margin-top:6px}

/* 详情页截图图集 */
.shot-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-top:10px}
.shot-grid .shot{width:100%;border:1px solid var(--line);border-radius:10px;display:block;background:#fff}

/* auth split (登录/注册分屏) */
.auth-split{max-width:900px;margin:46px auto;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr 1fr}
.auth-aside{color:#fff;padding:44px 38px;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(155deg,#3B5BFF 0%,#5B6CFF 45%,#00C2AC 135%)}
.auth-aside.admin{background:linear-gradient(155deg,#0E1117 0%,#1E2A6B 58%,#3B5BFF 135%)}
.auth-aside .a-brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:18px;margin-bottom:30px}
.auth-aside .a-brand .lm{width:42px;height:42px;background:#fff;border-radius:11px;display:flex;align-items:center;justify-content:center;flex:none}
.auth-aside .a-brand small{display:block;font-size:11px;font-weight:600;letter-spacing:.12em;opacity:.85;margin-top:2px}
.auth-aside h2{font-size:25px;line-height:1.32;margin-bottom:14px}
.auth-aside p{opacity:.92;font-size:14px;margin-bottom:26px}
.auth-aside ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.auth-aside li{display:flex;align-items:center;gap:11px;font-size:14px;opacity:.95}
.auth-aside li::before{content:"✓";display:flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:rgba(255,255,255,.25);font-size:12px;font-weight:800;flex:none}
.auth-form{padding:44px 40px;display:flex;flex-direction:column;justify-content:center}
.auth-form h2{font-size:23px}
.auth-form .sub{color:var(--muted);margin-bottom:24px;font-size:14px}
.auth-form .field{margin-bottom:16px}
.auth-form label{display:block;font-weight:700;margin-bottom:7px;font-size:14px}
.auth-form input{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:15px;outline:none;background:#fff;transition:.15s;font-family:inherit}
.auth-form input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(59,91,255,.14)}
.auth-form .links{margin-top:18px;display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center}
.auth-foot{margin-top:14px;text-align:center}
@media(max-width:760px){.auth-split{grid-template-columns:1fr;margin:24px 14px}.auth-aside{padding:30px 26px}.auth-aside ul{display:none}.auth-form{padding:32px 26px}}
/* 安装向导沿用旧卡片样式 */
.auth-wrap{max-width:520px;margin:46px auto;background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow)}
.auth-wrap h2{font-size:22px}
.auth-wrap .sub{color:var(--muted);margin-bottom:20px}
.center{text-align:center}
.ft{margin-top:40px;border-top:1px solid var(--line);background:#fff;padding:18px 0;color:var(--muted);font-size:13px;text-align:center}
.empty{text-align:center;color:var(--muted);padding:50px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow)}
.stat .n{font-size:28px;font-weight:800;color:var(--blue)}
.stat .l{color:var(--muted);font-size:13px}
.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.table th,.table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
.table th{background:#F8FAFF;color:var(--muted);font-weight:700}
.table tr:last-child td{border-bottom:none}
.badge{font-size:12px;font-weight:700;padding:3px 9px;border-radius:6px}
.badge-pending{background:#FFF3E6;color:#C2410C}
.badge-approved{background:var(--green-bg);color:var(--green)}
.badge-rejected{background:#FEE2E2;color:#B91C1C}
@media(max-width:880px){.grid{grid-template-columns:1fr 1fr}.detail{grid-template-columns:1fr}.featured{grid-template-columns:1fr}.stat-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid{grid-template-columns:1fr}.row2{grid-template-columns:1fr}}