:root{
  --bg:#f6f7fb;
  --text:#1b1f24;
  --muted:#6b7280;
  --primary:#ff6a2a;
  --card:#ffffff;
  --border:#e6e8ef;
  --shadow:0 8px 30px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
.container{max-width:1160px;margin:0 auto;padding:0 18px}
.muted{color:var(--muted)}
.small{font-size:12px}
.center{text-align:center}
.mt-8{margin-top:8px}
.mt-10{margin-top:10px}
.mt-16{margin-top:16px}
.mt-24{margin-top:24px}

.topbar{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--border)}
.topbar-inner{display:flex;align-items:center;gap:18px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.logo{font-size:22px}
.brand-text{letter-spacing:.5px}
.nav{display:flex;align-items:center;gap:16px}
.nav a{padding:8px 10px;border-radius:10px;color:#111827}
.nav a.active{color:var(--primary);background:rgba(255,106,42,.08)}
.nav-dropdown{position:relative}
.dropdown-menu{display:none;position:absolute;top:40px;left:0;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);min-width:180px;padding:8px}
.nav-dropdown:hover .dropdown-menu{display:block}
.dropdown-menu a{display:block;padding:10px 10px;border-radius:10px}
.dropdown-menu a:hover{background:rgba(17,24,39,.05)}

.top-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.search{display:flex;align-items:center;background:#f1f2f6;border:1px solid #eceef5;border-radius:999px;overflow:hidden}
.search input{border:0;background:transparent;padding:8px 12px;outline:none;width:220px}
.search button{border:0;background:transparent;padding:8px 10px;cursor:pointer}

.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:10px 14px;border:1px solid transparent;cursor:pointer;font-weight:600}
.btn-sm{padding:7px 10px;border-radius:10px;font-size:13px}
.btn-lg{padding:12px 18px;border-radius:14px}
.btn-block{width:100%}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{filter:brightness(.95)}
.btn-light{background:#fff;border-color:var(--border);color:#111827}
.btn-dark{background:#2b2f36;color:#fff}
.link-btn{border:0;background:transparent;color:#111827;cursor:pointer;padding:0}

.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 10px;font-size:12px;border:1px solid var(--border)}
.badge-vip{background:rgba(255,174,0,.15);border-color:rgba(255,174,0,.35);color:#8a5800}
.badge-plain{background:#fff}
.badge-ok{background:rgba(16,185,129,.15);border-color:rgba(16,185,129,.35);color:#065f46}
.badge-warn{background:rgba(245,158,11,.15);border-color:rgba(245,158,11,.35);color:#92400e}
.pill{display:inline-flex;background:rgba(255,106,42,.15);color:var(--primary);padding:2px 8px;border-radius:999px;font-size:12px;margin-left:8px}

.user-chip{position:relative;display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--border);border-radius:999px;background:#fff}
.user-chip:hover .user-menu{display:block}
.user-menu{display:none;position:absolute;right:0;top:44px;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);min-width:160px;padding:8px}
.user-menu a,.user-menu .link-btn{display:block;padding:10px;border-radius:10px}
.user-menu a:hover,.user-menu .link-btn:hover{background:rgba(17,24,39,.05)}

.page{min-height:70vh}
.section{padding:26px 0}
.section-title{display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.section-title h2{margin:0;font-size:20px}
.hero{background:linear-gradient(180deg,#0d1016 0%, #10151e 60%, #0d1016 100%);padding:56px 0;color:#fff}
.hero-inner{text-align:center}
.hero h1{margin:0;font-size:36px;letter-spacing:1px}
.hero-search{margin:18px auto 0;display:flex;max-width:520px;background:#fff;border-radius:14px;overflow:hidden}
.hero-search input{flex:1;border:0;padding:14px 16px;outline:none;font-size:14px}
.hero-search button{border:0;background:transparent;padding:0 16px;cursor:pointer;font-size:18px}

.banner-light{background:#fff;border-bottom:1px solid var(--border);padding:26px 0}
.banner-light h1{margin:0 0 6px 0}
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.tab{padding:8px 12px;border:1px solid var(--border);border-radius:999px;background:#fff}
.tab.active{border-color:rgba(255,106,42,.5);color:var(--primary);background:rgba(255,106,42,.08)}

.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media (max-width:1000px){.card-grid{grid-template-columns:repeat(3,1fr)} .search input{width:160px}}
@media (max-width:760px){.card-grid{grid-template-columns:repeat(2,1fr)} .nav{display:none}}
@media (max-width:480px){.card-grid{grid-template-columns:1fr}}

.card{background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:0 2px 10px rgba(16,24,40,.04);transition:transform .12s}
.card:hover{transform:translateY(-2px)}
.card-cover{height:138px;background-size:cover;background-position:center}
.card-body{padding:13px;display:flex;flex-direction:column;min-height:112px}
.card-meta{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:8px}
.dot{width:6px;height:6px;background:var(--primary);border-radius:50%}
.card-title{margin-top:8px;font-weight:700;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.7em}
.card-foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;font-size:12px}
.price{color:#e53935;font-weight:800}

.banner-crumbs{background:#fff;border-bottom:1px solid var(--border);padding:14px 0}
.crumbs a{color:#111827}
.detail{display:grid;grid-template-columns: 1fr 320px;gap:18px;align-items:start}
@media (max-width:980px){.detail{grid-template-columns:1fr}}
.detail-title{margin:0;font-size:26px}
.detail-meta{display:flex;gap:14px;margin:10px 0 16px 0}
.filebox{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden}
.filebox-head{padding:12px 14px;border-bottom:1px solid var(--border);background:#fafbff}
.filetable{width:100%;border-collapse:collapse}
.filetable th,.filetable td{padding:12px 14px;border-bottom:1px solid #f0f2f7}
.filetable th{font-size:12px;color:var(--muted);text-align:left}
.filetable td.right{text-align:right}
.fname{display:flex;align-items:center;gap:10px}
.icon{width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center}

.preview{margin-top:18px}
.preview-box{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden}
.preview-box iframe{width:100%;height:360px}
.content{margin-top:18px;background:#fff;border:1px solid var(--border);border-radius:14px;padding:14px}
.richtext{color:#111827;line-height:1.7}
.richtext p{margin:0 0 10px 0}

.buybox{background:#fff;border:1px solid var(--border);border-radius:14px;padding:14px;box-shadow:var(--shadow)}
.buy-price{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 0 14px}
.buy-price .coins{font-size:34px;font-weight:800;color:#ff3b1f}
.buy-tips{margin-top:12px;padding-top:12px;border-top:1px dashed #e9ebf4;font-size:12px;color:#ff6a2a}
.buy-tips p{margin:6px 0}
.tagbox{margin-top:14px;background:#fff;border:1px solid var(--border);border-radius:14px;padding:14px}
.tagbox-title{font-weight:800;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{padding:7px 10px;border:1px solid var(--border);border-radius:999px;background:#fff;color:#111827;font-size:12px}

.banner-dark{background:#2b2f36;color:#fff;padding:38px 0}
.download-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:var(--shadow)}
.download-row{display:flex;gap:16px;align-items:center;padding:12px 0}
.download-label{width:80px;color:var(--muted)}
.download-code{display:flex;gap:10px;align-items:center}
.download-code input{width:180px;padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:#fafbff}

.overlay{min-height:70vh;display:flex;align-items:center;justify-content:center;padding:40px 14px}
.auth-card{width:420px;max-width:100%;background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px;box-shadow:var(--shadow)}
.auth-logo{text-align:center;font-size:38px}
.auth-card h2{text-align:center;margin:8px 0 14px 0}
.auth-card label{display:block;font-size:12px;color:var(--muted);margin-top:10px}
.auth-card input{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:12px;outline:none;margin-top:6px}
.auth-foot{text-align:center;margin-top:12px;color:var(--muted)}
.alert{padding:10px 12px;border-radius:12px;border:1px solid}
.alert-error{background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.25);color:#991b1b}
.toast{position:fixed;left:50%;transform:translateX(-50%);top:70px;z-index:9999;padding:10px 14px;border-radius:999px;border:1px solid var(--border);background:#fff;box-shadow:var(--shadow)}
.toast-error{background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.25);color:#991b1b}
.toast-success{background:rgba(16,185,129,.08);border-color:rgba(16,185,129,.25);color:#065f46}

.footer{background:#2b2f36;color:#cbd5e1;margin-top:36px}
.footer-inner{padding:24px 0}
.footer-cols{display:grid;grid-template-columns:1fr 1fr 2fr;gap:18px}
.footer h4{margin:0 0 10px 0;color:#fff}
.footer a{display:block;color:#cbd5e1;margin:6px 0}
.footer-bottom{margin-top:18px;padding-top:14px;border-top:1px solid rgba(255,255,255,.1)}
.footer .muted{color:#94a3b8}

.me-layout{display:grid;grid-template-columns:260px 1fr;gap:18px}
@media (max-width:900px){.me-layout{grid-template-columns:1fr}.me-sidebar{position:relative}}
.me-sidebar{background:#fff;border:1px solid var(--border);border-radius:16px;padding:14px;position:sticky;top:84px;height:fit-content}
.me-user{display:flex;gap:12px;align-items:center;padding:10px;border-radius:14px;background:#fafbff;border:1px solid #eef0f6;margin-bottom:10px}
.avatar{width:44px;height:44px;border-radius:14px;background:#111827;color:#fff;display:flex;align-items:center;justify-content:center}
.me-name{font-weight:800}
.me-link{display:block;padding:10px 12px;border-radius:12px;margin-top:6px;border:1px solid transparent}
.me-link:hover{background:rgba(17,24,39,.05)}
.me-link.active{background:rgba(255,106,42,.08);color:var(--primary);border-color:rgba(255,106,42,.22)}
.me-link.danger{color:#b91c1c}
.me-logout{margin-top:10px}

.me-main .panel{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:0 2px 10px rgba(16,24,40,.04);overflow:hidden;margin-bottom:18px}
.panel-title{padding:12px 14px;font-weight:900;border-bottom:1px solid var(--border);background:#fafbff}
.panel-body{padding:14px}
.me-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}
@media (max-width:980px){.me-cards{grid-template-columns:1fr}}
.stat-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:14px;box-shadow:0 2px 10px rgba(16,24,40,.04)}
.stat-title{color:var(--muted);font-size:12px}
.stat-val{font-size:26px;font-weight:900;margin-top:10px}
.stat-link{display:inline-block;margin-top:10px;color:var(--primary);font-weight:700}
.stat-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}

.recharge-form input, .recharge-form select{padding:12px;border:1px solid var(--border);border-radius:12px;outline:none}
.recharge-row{display:grid;grid-template-columns:1fr 140px;gap:10px;margin-top:12px}
.qr-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:12px}
@media (max-width:600px){.qr-grid{grid-template-columns:1fr}}
.qr-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:14px;text-align:center}
.qr-title{font-weight:900;margin-bottom:10px}
.qr-img{max-width:240px;width:100%;border-radius:12px;border:1px solid var(--border)}
.pay-tips{margin-top:10px;border-top:1px dashed #e9ebf4;padding-top:10px}

.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:12px;border-bottom:1px solid #eef0f6;text-align:left;vertical-align:middle}
.table th{font-size:12px;color:var(--muted);white-space:nowrap}
.inline-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.inline-remark{min-width:220px;flex:1}
@media (max-width:980px){.inline-remark{min-width:160px}}
.row-highlight{background:rgba(255,106,42,.06)}

.vip-hero{background:radial-gradient(circle at 20% 30%, rgba(59,130,246,.16), transparent 45%),radial-gradient(circle at 80% 50%, rgba(99,102,241,.14), transparent 50%),#f6fbff;padding:48px 0}
.vip-hero-inner{text-align:center}
.vip-card{max-width:360px;margin:18px auto 0;background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.vip-card-top{background:rgba(255,174,0,.35);padding:10px;font-weight:900}
.vip-card-body{padding:18px}
.vip-card-body h2{margin:0}
.vip-price{font-size:42px;font-weight:1000;margin:8px 0}
.vip-benefits{list-style:none;padding:0;margin:10px 0 14px 0}
.vip-benefits li{margin:8px 0;color:#111827}
.vip-mini{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media (max-width:980px){.vip-mini{grid-template-columns:1fr}}
.vip-mini-card{border:1px solid var(--border);border-radius:16px;padding:14px;text-align:center}
.vip-mini-title{font-weight:900}
.vip-mini-price{font-size:22px;font-weight:1000;margin-top:10px}

.admin-top{display:flex;justify-content:space-between;align-items:center;gap:12px}
.admin-nav{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.admin-nav a{padding:8px 12px;border-radius:12px;border:1px solid var(--border);background:#fff}
.admin-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
@media (max-width:980px){.admin-stats{grid-template-columns:1fr}}

/* --- Admin/Layout polish --- */
.admin-layout{display:grid;grid-template-columns:260px 1fr;gap:18px;margin-top:18px}
@media (max-width:980px){.admin-layout{grid-template-columns:1fr}}
.admin-main{min-width:0}
.admin-sidebar{background:#fff;border:1px solid var(--border);border-radius:16px;padding:14px;box-shadow:var(--shadow);height:fit-content}
@media (min-width:981px){.admin-sidebar{position:sticky;top:84px}}
.admin-side-title{font-weight:1000;margin:0 0 8px 0}
.admin-side-meta{font-size:12px;color:var(--muted);margin-bottom:10px}
.admin-link{display:block;padding:10px 12px;border-radius:12px;border:1px solid transparent;font-weight:900;color:#111827}
.admin-link:hover{background:rgba(17,24,39,.05)}
.admin-link.active{background:rgba(255,106,42,.10);border-color:rgba(255,106,42,.25);color:var(--primary)}
.admin-link.danger{color:#b91c1c}

/* 更现代的后台布局（全屏、留白更舒适） */
.admin-layout-wide{grid-template-columns:280px 1fr}
@media (min-width:981px){
  .admin-sidebar{height:calc(100vh - 110px)}
  .admin-main{min-height:calc(100vh - 110px)}
}

.admin-topbar{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin:6px 0 16px 0}
.admin-kicker{font-size:12px;color:var(--muted);font-weight:800;letter-spacing:.04em;text-transform:uppercase}
.admin-title{margin:0;font-size:24px;font-weight:1000;letter-spacing:-.02em}
.admin-actions{display:flex;gap:10px;flex-wrap:wrap}

.card{background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.card-hd{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.card-title{font-weight:1000}
.card-sub{color:var(--muted);font-size:12px;margin-top:2px}
.card-bd{padding:16px}

.admin-form{display:flex;flex-direction:column;gap:14px}
.form-row{display:flex;gap:12px;align-items:flex-start}
.form-label{width:150px;flex:0 0 150px;font-weight:900}
.form-control{flex:1;min-width:0}
.form-control input,.form-control select,.form-control textarea{width:100%}
.form-inline{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.divider{border:0;border-top:1px solid var(--border);margin:0}

/* Admin form: use label-on-top for a cleaner, more "commercial" look */
.is-admin .admin-form .form-row{flex-direction:column;gap:8px}
.is-admin .admin-form .form-label{width:auto;flex:auto}
.req{color:#ef4444}
.details summary{cursor:pointer;font-weight:900;color:#111827}
.details textarea{margin-top:10px}

.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media (max-width:980px){.stats-grid{grid-template-columns:repeat(2,1fr)}.form-row{flex-direction:column}.form-label{width:auto;flex:auto}}
.stat{background:#fff;border:1px solid var(--border);border-radius:16px;padding:14px;box-shadow:var(--shadow)}
.stat-k{color:var(--muted);font-size:12px;font-weight:800}
.stat-v{font-size:24px;font-weight:1000;margin-top:6px}

.bar-chart{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;height:210px;align-items:end}
.bar{position:relative;background:rgba(17,24,39,.03);border:1px solid rgba(17,24,39,.06);border-radius:14px;padding:10px;display:flex;flex-direction:column;justify-content:flex-end;gap:6px}
.bar-col{width:100%;border-radius:12px;background:rgba(255,106,42,.65);min-height:6px}
.bar-label{font-size:12px;color:var(--muted);text-align:center}
.bar-val{font-size:12px;font-weight:900;text-align:center}

.callouts{display:flex;flex-direction:column;gap:10px}
.callout{border:1px dashed rgba(17,24,39,.18);border-radius:14px;padding:12px}
.callout-t{font-weight:1000;margin-bottom:6px}

.apps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media (max-width:980px){.apps-grid{grid-template-columns:1fr}}
.app-card{border:1px solid var(--border);border-radius:16px;padding:14px;box-shadow:var(--shadow);background:#fff;display:flex;flex-direction:column;gap:10px}
.app-hd{display:flex;justify-content:space-between;gap:10px}
.app-name{font-weight:1000}
.app-desc{color:var(--muted);font-size:13px;line-height:1.6;min-height:44px}
.app-badge{font-size:12px;font-weight:900;padding:6px 10px;border-radius:999px;border:1px solid var(--border)}
.app-badge.on{background:rgba(34,197,94,.10);border-color:rgba(34,197,94,.25);color:#16a34a}
.app-badge.off{background:rgba(148,163,184,.12);border-color:rgba(148,163,184,.25);color:#475569}

.img-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
@media (max-width:980px){.img-grid{grid-template-columns:repeat(2,1fr)}}
.img-item,.img-thumb a{display:block;border-radius:14px;border:1px solid var(--border);overflow:hidden;background:#fff}
.img-item img,.img-thumb img{display:block;width:100%;height:160px;object-fit:cover}
.img-thumb{display:flex;flex-direction:column;gap:8px}

.sticky-actions{position:sticky;bottom:14px;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:12px;display:flex;gap:12px;align-items:center}

/* Switch */
.switch{position:relative;display:inline-block;width:46px;height:26px}
.switch input{display:none}
.switch-ui{position:absolute;inset:0;background:rgba(148,163,184,.35);border-radius:999px;transition:.15s}
.switch-ui:before{content:"";position:absolute;left:3px;top:3px;width:20px;height:20px;background:#fff;border-radius:50%;box-shadow:var(--shadow);transition:.15s}
.switch input:checked + .switch-ui{background:rgba(255,106,42,.6)}
.switch input:checked + .switch-ui:before{transform:translateX(20px)}

/* 轻量富文本编辑器 */
.dy-editor{border:1px solid var(--border);border-radius:16px;overflow:hidden;background:#fff}
.dy-editor .dy-toolbar{display:flex;flex-wrap:wrap;gap:8px;padding:10px;border-bottom:1px solid var(--border);background:rgba(17,24,39,.02)}
.dy-editor .dy-toolbar button{padding:8px 10px;border-radius:12px;border:1px solid var(--border);background:#fff;font-weight:900}
.dy-editor .dy-toolbar button:hover{background:rgba(17,24,39,.04)}
.dy-editor .dy-body{min-height:240px;padding:12px 14px;outline:none;line-height:1.8}


/* --- Form polish (used by admin + some user pages) --- */
.form label{display:block;margin-top:14px;font-size:13px;font-weight:900;color:#111827}
.form input,.form select,.form textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:12px;outline:none;background:#fff}
.form input:focus,.form select:focus,.form textarea:focus{border-color:rgba(255,106,42,.55);box-shadow:0 0 0 4px rgba(255,106,42,.12)}
.form textarea{min-height:140px;font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media (max-width:980px){.grid-2{grid-template-columns:1fr}}

/* table/inline inputs */
.inline-form input{padding:10px 12px;border:1px solid var(--border);border-radius:12px;outline:none;background:#fff}
.inline-form input:focus{border-color:rgba(255,106,42,.55);box-shadow:0 0 0 4px rgba(255,106,42,.12)}
.inline-form input[type=file]{padding:8px;border-style:dashed;background:#fafbff}