:root{
  --primary:#4f46e5; --primary-d:#4338ca; --accent:#06b6d4;
  --bg:#f6f7fb; --card:#fff; --text:#1f2430; --muted:#6b7280;
  --border:#e6e8ef; --radius:14px; --shadow:0 6px 24px rgba(31,36,48,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 18px}
.main{min-height:60vh;padding:28px 18px 48px}

/* ---------- Header ---------- */
.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;gap:18px;height:62px}
.brand{font-size:20px;font-weight:800;white-space:nowrap}
.nav-links{display:flex;gap:6px;flex:1}
.nav-links a{padding:8px 14px;border-radius:9px;color:var(--muted);font-weight:600}
.nav-links a:hover{background:var(--bg);color:var(--text)}
.nav-links a.active{color:var(--primary);background:rgba(79,70,229,.08)}
.admin-link{color:#b45309!important}

/* ---------- 导航「更多」折叠面板（纯 CSS checkbox） ---------- */
.nav-more{position:relative;display:inline-flex;align-items:center}
.nav-more-chk{position:absolute;left:-9999px;opacity:0;pointer-events:none}
.nav-more-btn{display:inline-flex;align-items:center;gap:4px;padding:8px 14px;border-radius:9px;
  color:var(--muted);font-weight:600;cursor:pointer;transition:.15s;-webkit-tap-highlight-color:transparent}
.nav-more-btn:hover{background:var(--bg);color:var(--text)}
.nav-more-arrow{font-size:11px;transition:.2s}
.nav-more-chk:checked ~ .nav-more-btn{background:var(--bg);color:var(--text)}
.nav-more-chk:checked ~ .nav-more-btn .nav-more-arrow{transform:rotate(180deg)}
.nav-more-panel{display:none;position:absolute;top:calc(100% + 6px);left:0;min-width:160px;
  background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);
  padding:6px;flex-direction:column;z-index:60;animation:fadeIn .18s ease}
.nav-more-chk:checked ~ .nav-more-panel{display:flex}
.nav-more-panel a{display:block;padding:9px 14px;border-radius:8px;color:var(--text);font-weight:600;font-size:14px}
.nav-more-panel a:hover{background:var(--bg)}
.nav-more-panel a.active{color:var(--primary);background:rgba(79,70,229,.08)}
/* 「更多」面板内的登录/注册/退出按钮样式 */
.nav-more-panel .nav-more-act{margin-top:6px;padding-top:11px;border-top:1px solid var(--border);text-align:center;font-weight:700;border-radius:8px}
.nav-more-panel .nav-more-login{color:var(--primary);background:rgba(79,70,229,.08)}
.nav-more-panel .nav-more-login:hover{background:rgba(79,70,229,.16)}
.nav-more-panel .nav-more-reg{color:#fff;background:var(--primary)}
.nav-more-panel .nav-more-reg:hover{background:var(--primary-d)}
.nav-more-panel .nav-more-logout{color:#dc2626;background:rgba(220,38,38,.08)}
.nav-more-panel .nav-more-logout:hover{background:rgba(220,38,38,.16)}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* ---------- #5 限时秒杀 ---------- */
.flash-sec{margin-bottom:24px}
.flash-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.flash-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  transition:.15s;position:relative}
.flash-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#f59e0b}
.flash-thumb{display:block;aspect-ratio:16/10;background:#eef0f6;position:relative;overflow:hidden}
.flash-thumb img{width:100%;height:100%;object-fit:cover}
.flash-tag{position:absolute;top:8px;left:8px;background:linear-gradient(120deg,#ef4444,#f97316);
  color:#fff;font-size:12px;font-weight:700;padding:3px 10px;border-radius:20px}
.flash-info{padding:12px 14px}
.flash-info h3{font-size:14px;margin-bottom:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.flash-price{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.flash-price .now{font-size:18px;font-weight:800;color:#ef4444}
.flash-price .was{font-size:13px;color:var(--muted);text-decoration:line-through}
.flash-countdown{font-size:15px;font-weight:700;color:#f59e0b;font-variant-numeric:tabular-nums;
  background:#fffbeb;padding:5px 8px;border-radius:6px;text-align:center;margin-bottom:8px;letter-spacing:1px}

/* ---------- #22 AI 入口横幅 ---------- */
.ai-entry-banner{display:flex;align-items:center;gap:14px;background:linear-gradient(120deg,#4f46e5,#7c3aed);
  color:#fff;border-radius:var(--radius);padding:18px 24px;transition:.15s;text-decoration:none}
.ai-entry-banner:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(79,70,229,.3)}
.ai-entry-icon{font-size:32px;flex:0 0 auto}
.ai-entry-text{flex:1}
.ai-entry-text strong{font-size:16px;display:block}
.ai-entry-text small{opacity:.85;font-size:13px}
.ai-entry-arrow{font-size:20px;opacity:.7}

/* ---------- #20 公告横幅 ---------- */
.notice-bar{display:flex;align-items:center;gap:10px;padding:10px 18px;font-size:14px;font-weight:600;
  text-align:center;justify-content:center}
.notice-bar a{font-weight:700;text-decoration:underline}
.notice-bar .notice-close{margin-left:auto;cursor:pointer;font-size:18px;opacity:.6;flex:0 0 auto}
.notice-bar .notice-close:hover{opacity:1}

.nav-user{display:flex;align-items:center;gap:10px}
.points{font-size:13px;color:var(--muted);background:var(--bg);padding:4px 10px;border-radius:20px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;text-transform:uppercase}
.nav-user .btn{margin-left:0}
.nav-bell{position:relative;font-size:18px;line-height:1;display:inline-flex}
.nav-bell .badge-dot{position:absolute;top:-8px;right:-10px;min-width:18px;height:18px;padding:0 5px;
  background:var(--danger,#e5484d);color:#fff;font-size:11px;line-height:18px;text-align:center;border-radius:9px;font-weight:700}
.nav-unread{display:inline-block;background:var(--danger,#e5484d);color:#fff;font-size:12px;
  padding:1px 8px;border-radius:10px;font-weight:600;margin-left:4px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:10px 18px;border-radius:10px;font-weight:600;cursor:pointer;border:1px solid transparent;
  font-size:14px;transition:.15s}
.btn-sm{padding:7px 13px;font-size:13px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:rgba(79,70,229,.08)}
.btn-danger{background:#ef4444;color:#fff}
.btn-danger:hover{background:#dc2626}
.btn[disabled]{opacity:.6;cursor:not-allowed}

/* ---------- Alerts ---------- */
.alert{padding:12px 16px;border-radius:10px;margin:16px 0;font-size:14px}
.alert-info{background:#eff6ff;color:#1d4ed8}
.alert-success{background:#ecfdf5;color:#047857}
.alert-error{background:#fef2f2;color:#b91c1c}
.alert-warning{background:#fffbeb;color:#b45309}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(120deg,#4f46e5,#06b6d4);color:#fff;border-radius:var(--radius);
  padding:42px 36px;margin-bottom:26px;box-shadow:var(--shadow)}
.hero h1{font-size:30px;margin-bottom:10px}
.hero p{opacity:.92;max-width:640px;margin-bottom:20px}
.hero .btn-ghost{background:rgba(255,255,255,.15);color:#fff;border-color:rgba(255,255,255,.4)}

/* ---------- Search ---------- */
.searchbar{display:flex;gap:10px;max-width:560px}
.searchbar input{flex:1;padding:11px 14px;border:1px solid var(--border);border-radius:10px;font-size:14px;background:#fff}
.searchbar input:focus{outline:none;border-color:var(--primary)}

/* ---------- Section ---------- */
.section-title{display:flex;align-items:center;justify-content:space-between;margin:30px 0 16px}
.section-title h2{font-size:20px}
.section-title a{color:var(--primary);font-size:14px;font-weight:600}

/* ---------- Categories ---------- */
#cats{scroll-margin-top:80px}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.cat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px;text-align:center;transition:.15s}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--primary)}
.cat-card .ic{font-size:30px}
.cat-card .nm{font-weight:700;margin-top:6px}
.cat-card .ct{font-size:12px;color:var(--muted)}

/* ---------- Template grid ---------- */
.tpl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.tpl-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:.15s}
.tpl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.tpl-thumb{aspect-ratio:16/10;background:#eef0f6;position:relative;overflow:hidden}
.tpl-thumb img,.tpl-thumb svg{width:100%;height:100%;object-fit:cover}
.badge-free,.badge-paid{position:absolute;top:10px;right:10px;padding:3px 10px;border-radius:20px;
  font-size:12px;font-weight:700;color:#fff}
.badge-free{background:#10b981}.badge-paid{background:#f59e0b}
.tpl-body{padding:14px 16px;flex:1;display:flex;flex-direction:column}
.tpl-body h3{font-size:16px;margin-bottom:6px}
.tpl-meta{font-size:13px;color:var(--muted);margin-bottom:12px}
.tpl-foot{display:flex;gap:8px;margin-top:auto}
.tpl-foot .btn{flex:1;text-align:center;padding:8px 0;font-size:13px}
.tag{display:inline-block;background:var(--bg);color:var(--muted);font-size:12px;padding:2px 8px;border-radius:6px;margin:2px 4px 0 0}

/* ---------- Detail ---------- */
.detail{display:grid;grid-template-columns:1.4fr 1fr;gap:28px}
.detail-gallery{background:#eef0f6;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/10}
.gallery-strip{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.gallery-strip .g-thumb{width:64px;height:42px;border-radius:8px;overflow:hidden;border:2px solid transparent;display:flex;align-items:center;justify-content:center;background:#eef0f6;font-size:18px}
.gallery-strip .g-thumb img{width:100%;height:100%;object-fit:cover}
.gallery-strip .g-thumb:hover{border-color:var(--primary)}
.detail-gallery img,.detail-gallery svg{width:100%;height:100%;object-fit:cover}
.detail-info .price{font-size:26px;font-weight:800;color:var(--primary);margin:8px 0}
.detail-info .price.free{color:#10b981}
.detail-actions{display:flex;gap:10px;margin:18px 0}
.detail-actions .btn{flex:1;padding:13px}
.stat-row{display:flex;gap:20px;color:var(--muted);font-size:14px;margin:14px 0}
.meta-list{list-style:none;font-size:14px}
.meta-list li{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed var(--border)}
.meta-list li span:first-child{color:var(--muted)}

/* ---------- Forms ---------- */
.auth-wrap{max-width:420px;margin:40px auto}
.auth-wrap h1{text-align:center;margin-bottom:6px}
.auth-wrap .sub{text-align:center;color:var(--muted);margin-bottom:24px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:11px 13px;
  border:1px solid var(--border);border-radius:10px;font-size:14px;font-family:inherit}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--primary)}
.form-hint{font-size:12px;color:var(--muted);margin-top:4px}
.form-error{color:#b91c1c;font-size:13px;margin-bottom:10px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* ---------- User center ---------- */
.dash{display:grid;grid-template-columns:240px 1fr;gap:24px}
.sidebar{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;height:fit-content}
.sidebar .u-card{text-align:center;padding-bottom:16px;border-bottom:1px solid var(--border);margin-bottom:14px}
.sidebar .u-avatar{width:64px;height:64px;border-radius:50%;background:var(--primary);color:#fff;
  font-size:26px;display:flex;align-items:center;justify-content:center;margin:0 auto 10px;font-weight:700}
.sidebar .u-name{font-weight:700}.sidebar .u-role{font-size:12px;color:var(--muted)}
.side-nav a{display:block;padding:9px 12px;border-radius:9px;color:var(--muted);font-weight:600;margin-bottom:4px}
.side-nav a:hover,.side-nav a.active{background:rgba(79,70,229,.08);color:var(--primary)}

/* ---------- Notifications ---------- */
.notif-main{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.notif-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.notif-head h2{font-size:18px}
.notif-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.notif-item{display:flex;align-items:flex-start;gap:12px;padding:14px 14px;border:1px solid var(--border);border-radius:12px;background:var(--bg)}
.notif-item.unread{background:rgba(79,70,229,.06);border-color:rgba(79,70,229,.35)}
.notif-dot{width:9px;height:9px;border-radius:50%;margin-top:6px;background:transparent;flex:0 0 auto}
.notif-item.unread .notif-dot{background:var(--primary)}
.notif-body{flex:1;min-width:0}
.notif-title{font-weight:700;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.notif-content{font-size:14px;color:var(--muted);margin:4px 0}
.notif-time{font-size:12px;color:var(--muted);opacity:.8}
.notif-type{font-size:11px;padding:1px 8px;border-radius:10px;background:var(--border);color:var(--muted);font-weight:600}
.notif-type.order{background:rgba(16,185,129,.15);color:#059669}
.notif-type.review{background:rgba(245,158,11,.15);color:#d97706}
.notif-type.task{background:rgba(59,130,246,.15);color:#2563eb}
.notif-type.follow{background:rgba(236,72,153,.15);color:#db2777}
.notif-actions{display:flex;flex-direction:column;gap:6px;flex:0 0 auto}
.empty-box{padding:40px;text-align:center;color:var(--muted)}

.panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.panel h2{font-size:18px;margin-bottom:16px}
.stat-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:20px}
.stat-box{background:linear-gradient(120deg,#eef2ff,#ecfeff);border-radius:var(--radius);padding:16px}
.stat-box .n{font-size:26px;font-weight:800;color:var(--primary)}
.stat-box .l{font-size:13px;color:var(--muted)}

/* ---------- Tables ---------- */
.table{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);overflow:hidden}
.table th,.table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}
.table th{background:var(--bg);font-weight:700;color:var(--muted)}
.table tr:hover td{background:#fafbff}
.table .mini{font-size:13px;padding:5px 10px}

/* ---------- Floating customer service ---------- */
.float-kefu{position:fixed;right:20px;bottom:24px;z-index:70;width:54px;height:54px;border-radius:50%;
  background:linear-gradient(120deg,#4f46e5,#06b6d4);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:24px;box-shadow:0 8px 24px rgba(79,70,229,.4);text-decoration:none}
.float-kefu:hover{transform:scale(1.08)}

/* ---------- Demo modal ---------- */
.demo-modal{position:fixed;inset:0;background:rgba(15,23,42,.85);z-index:100;display:none;flex-direction:column}
.demo-modal.open{display:flex}
.demo-head{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;background:#0f172a;color:#fff}
.demo-head .close{cursor:pointer;font-size:24px;line-height:1}
.demo-frame{flex:1;border:0;width:100%;background:#fff}
.demo-bar{display:flex;align-items:center;gap:10px;background:#0f172a;padding:6px 12px}
.demo-bar input{flex:1;background:#1e293b;border:0;color:#fff;padding:7px 12px;border-radius:8px;font-size:13px}
.demo-devices{display:flex;gap:4px}
.demo-devices .dev{background:#1e293b;border:0;color:#fff;width:34px;height:30px;border-radius:7px;cursor:pointer;font-size:15px}
.demo-devices .dev.active{background:var(--primary)}
.demo-frame{transition:width .25s,margin .25s;margin:0 auto}

/* ---------- Footer ---------- */
.site-footer{background:#111827;color:#cbd5e1;margin-top:40px;padding:36px 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
.footer-grid h4{color:#fff;margin-bottom:10px}
.footer-grid p{font-size:14px;margin-bottom:6px}
.footer-grid a:hover{color:#fff}

/* ---------- Rich text editor ---------- */
.rte{border:1px solid var(--border);border-radius:10px;overflow:hidden;margin-bottom:16px}
.rte-bar{display:flex;flex-wrap:wrap;gap:4px;padding:6px;background:var(--bg);border-bottom:1px solid var(--border)}
.rte-btn{border:1px solid var(--border);background:#fff;border-radius:6px;padding:4px 10px;cursor:pointer;font-size:13px}
.rte-btn:hover{border-color:var(--primary);color:var(--primary)}
.rte-content{min-height:140px;padding:12px 14px;outline:none;font-size:14px}
.rte-content:focus{border-color:var(--primary)}

/* ---------- Compare / badges ---------- */
.cmp-bar{position:fixed;left:0;right:0;bottom:0;background:#0f172a;color:#fff;padding:12px 18px;display:flex;align-items:center;justify-content:space-between;z-index:60}
.cmp-bar .cnt{font-weight:700}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.chip{background:#eef2ff;color:#4338ca;font-size:12px;padding:3px 10px;border-radius:20px}
.lv-badge{display:inline-block;background:linear-gradient(120deg,#f59e0b,#f97316);color:#fff;font-size:12px;padding:2px 9px;border-radius:20px;font-weight:700}

/* ---------- 移动端折叠菜单（汉堡按钮 + 可展开面板）---------- */
/* 默认（桌面）：checkbox 隐藏、汉堡按钮隐藏、面板正常显示 */
.nav-toggle-chk{position:absolute;left:-9999px;opacity:0;pointer-events:none}
.nav-toggle{display:none;width:40px;height:40px;border-radius:9px;cursor:pointer;
  background:#f3f4f8;border:1px solid var(--border);position:relative;flex:0 0 auto;
  transition:.15s;-webkit-tap-highlight-color:transparent}
.nav-toggle:hover{background:#e5e7ef}
.nav-toggle i{display:block;position:absolute;left:9px;right:9px;height:2px;background:#1f2430;
  border-radius:2px;transition:.25s}
.nav-toggle .bar1{top:13px}.nav-toggle .bar2{top:19px}.nav-toggle .bar3{top:25px}
/* 展开态：三条线变 X */
.nav-toggle-chk:checked + .nav-toggle .bar1{top:19px;transform:rotate(45deg);background:var(--primary)}
.nav-toggle-chk:checked + .nav-toggle .bar2{opacity:0}
.nav-toggle-chk:checked + .nav-toggle .bar3{top:19px;transform:rotate(-45deg);background:var(--primary)}

@media(max-width:860px){
  .detail{grid-template-columns:1fr}
  .dash{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .stat-cards{grid-template-columns:1fr}
  .stat-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px}

  /* ===== 头部重排：brand + 汉堡按钮一行，菜单整体折叠 ===== */
  .nav{flex-wrap:wrap;height:auto;padding:10px 18px;gap:10px;align-items:center}
  .nav .brand{font-size:18px}
  /* 移动端：brand 和汉堡按钮排在第一行，菜单整体下拉到第二行 */
  .nav-toggle{display:inline-flex;order:2;margin-left:auto}
  .nav-menu{display:none;order:99;width:100%;flex-direction:column;gap:0;
    background:#fff;border-top:1px solid var(--border);margin-top:6px;
    border-radius:0 0 var(--radius) var(--radius);
    box-shadow:0 8px 20px rgba(31,36,48,.06);overflow:hidden;animation:slideDown .22s ease}
  .nav-toggle-chk:checked ~ .nav-menu{display:flex}
  @keyframes slideDown{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}

  /* 链接列表：垂直堆叠，宽度铺满，单项可点区域足够大 */
  .nav-links{flex-direction:column;gap:0;width:100%;padding:6px 0}
  .nav-links > a{display:block;width:100%;padding:12px 16px;border-radius:0;
    border-bottom:1px solid #f1f3f7;font-size:15px;color:var(--text)}
  .nav-links > a:last-child{border-bottom:none}
  .nav-links > a:hover{background:var(--bg)}
  .nav-links > a.active{background:rgba(79,70,229,.08);color:var(--primary);font-weight:700}

  /* 移动端：「更多」面板自动展开，链接直接混入菜单 */
  .nav-more{position:static;display:contents}
  .nav-more-btn{display:none}
  .nav-more-panel{display:contents;position:static;background:transparent;border:0;
    box-shadow:none;padding:0;animation:none}
  .nav-more-panel a{display:block;width:100%;padding:12px 16px;border-radius:0;
    border-bottom:1px solid #f1f3f7;font-size:15px;color:var(--text)}
  .nav-more-panel a:last-child{border-bottom:none}
  .nav-more-panel a:hover{background:var(--bg)}
  .nav-more-panel a.active{background:rgba(79,70,229,.08);color:var(--primary);font-weight:700}

  /* 用户区：单独一块，加分隔线 */
  .nav-user{flex-wrap:wrap;width:100%;padding:12px 16px;gap:10px;
    background:#fafbff;border-top:1px solid var(--border);justify-content:flex-end}
  .nav-user .points{order:1}
  .nav-user .nav-bell{order:2}
  .nav-user .avatar{order:3}
  .nav-user .btn{flex:0 0 auto;padding:9px 16px;font-size:14px}
  .nav-user .btn-ghost{order:4}
  .nav-user > a.btn-ghost + a.btn-primary{order:5}
  /* 未登录：登录+注册两个按钮平铺，挤一行 */
  .nav-user .btn{flex:1 1 40%;min-width:0;justify-content:center}
  .nav-user > a.btn{text-align:center}
}

/* 再窄一点：统计卡片单列 */
@media(max-width:480px){
  .stat-cards{grid-template-columns:1fr!important}
  .hero h1{font-size:22px}
  .hero{padding:28px 22px}
  .nav-user > a.btn{flex:1 1 100%}
  .nav-user .points{flex:1 1 100%;text-align:center}
}

/* ================= 第2期：交易/会员/卡券/分销/授权 ================= */
.narrow{max-width:760px;margin:0 auto}
.page-h1{font-size:26px;margin:8px 0 18px}
.block-h{font-size:18px;margin:22px 0 12px}
.center-text{text-align:center}
.muted{color:var(--muted)}
.ok{color:#16a34a;font-weight:600}
.warn{color:#d97706;font-weight:600}
.err{color:#dc2626}

/* 钱包/会员概览 */
.wallet-box{display:flex;gap:28px;flex-wrap:wrap;padding:18px}
.wallet-box>div{display:flex;flex-direction:column;gap:2px}
.wallet-box b{font-size:18px}

/* 套餐网格 */
.plan-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin:14px 0}
.plan-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:8px}
.plan-card.is-vip{border-color:#f59e0b;box-shadow:0 6px 20px rgba(245,158,11,.15)}
.plan-card h3{margin:0}
.plan-card .price{font-size:24px;font-weight:800;color:var(--primary)}
.plan-perks{list-style:none;padding:0;margin:0;font-size:13px;color:var(--muted);display:flex;flex-direction:column;gap:4px}
.plan-perks li::before{content:'✓ ';color:var(--primary)}
.plan-desc{font-size:13px;color:var(--muted);min-height:38px}

/* 自定义充值 / 行内表单 */
.inline-form{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.inline-form input[type=number],.inline-form input[type=text]{min-width:160px}
.yuan-pre{font-size:18px;font-weight:700;color:var(--muted)}
.hint-box{margin-top:10px;background:#f1f5f9;padding:10px 12px;border-radius:8px;font-size:13px}
.hint-box code{background:#e2e8f0;padding:1px 6px;border-radius:4px}

/* 购买页 */
.buy-wrap{max-width:520px;margin:0 auto}
.buy-preview{display:flex;gap:16px;align-items:center}
.buy-thumb{width:120px;height:80px;border-radius:10px;overflow:hidden;background:#eef0f6;display:flex;align-items:center;justify-content:center;font-size:28px}
.buy-thumb img{width:100%;height:100%;object-fit:cover}
.license-opts{display:flex;flex-direction:column;gap:10px}
.license-opt{display:flex;align-items:center;gap:10px;border:1px solid var(--border);border-radius:10px;padding:12px 14px;cursor:pointer;transition:.15s}
.license-opt:hover{border-color:var(--primary)}
.license-opt.sel{border-color:var(--primary);background:#f5f7ff}
.license-opt b{font-size:15px}
.license-opt span{margin-left:auto;color:var(--primary);font-weight:700}
.license-opt small{display:block;color:var(--muted);font-size:12px;flex-basis:100%}
.buy-form .form-group{margin-bottom:16px}
.buy-total{font-size:18px;margin:10px 0 16px}
.buy-total b{color:var(--primary)}
.buy-tip{font-size:13px;color:var(--muted);margin:6px 0 2px}
.buy-tip.ok{color:#16a34a}

/* 收银台 */
.checkout-box{max-width:480px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.co-line{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px dashed var(--border)}
.co-line code{font-size:12px}
.co-amt{font-size:22px;color:var(--primary)}
.pay-methods{display:flex;flex-direction:column;gap:10px;margin:8px 0}
.pay-opt{display:flex;align-items:center;gap:10px;border:1px solid var(--border);border-radius:10px;padding:12px 14px;cursor:pointer}
.pay-opt.sel,.pay-opt:has(input:checked){border-color:var(--primary);background:#f5f7ff}
.pay-opt.disabled{opacity:.5;cursor:not-allowed}
.pay-opt small{margin-left:auto;color:var(--muted)}
.pay-sim{background:#fff7ed;border:1px solid #fed7aa;border-radius:10px;padding:16px;text-align:center}
.gateway-form{text-align:center;padding:10px 0}
.back-link{color:var(--muted);font-size:13px;text-align:center;display:block}

/* 支付成功 */
.success-card{max-width:420px;margin:40px auto;text-align:center;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:36px}
.big-ok{font-size:56px}
.row-btns{display:flex;gap:10px;justify-content:center;margin-top:18px;flex-wrap:wrap}

/* 表格 */
.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;font-size:14px}
.tbl th,.tbl td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--border)}
.tbl th{background:#f8fafc;font-weight:600;color:var(--muted)}
.tbl tr:hover td{background:#fafbff}
.tbl a{color:var(--primary);margin-right:8px}

/* 我的授权 */
.license-card{border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;margin-bottom:12px;background:#fff}
.lc-head{display:flex;align-items:center;gap:10px}
.lc-meta{display:flex;gap:20px;color:var(--muted);font-size:13px;margin:8px 0}
.lc-domains{font-size:13px}
.dom-chip{display:inline-flex;align-items:center;gap:6px;background:#eef2ff;color:#4338ca;padding:3px 10px;border-radius:20px;margin:4px 6px 0 0}
.dom-chip a{color:#ef4444;margin:0}

/* 分销 */
.invite-box{display:flex;gap:8px;margin:8px 0}
.invite-box input{flex:1}
.stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;margin:14px 0}
.stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:center}
.stat .num{font-size:24px;font-weight:800;color:var(--primary)}
.stat .lab{color:var(--muted);font-size:13px;margin-top:4px}

/* 后台两栏 / 选项卡 */
.two-col{display:grid;grid-template-columns:1.4fr 1fr;gap:22px;align-items:start}
.tabs{display:flex;gap:6px;margin-bottom:12px}
.tabs a{padding:6px 14px;border-radius:8px;background:#f1f5f9;color:var(--muted);font-size:14px}
.tabs a.active{background:var(--primary);color:#fff}
.svc-ops a{margin-right:6px}
.admin-form .form-group{margin-bottom:14px}
.admin-form h3{margin:18px 0 8px;font-size:15px}

@media(max-width:860px){.two-col{grid-template-columns:1fr}}

/* ============ 第3期：内容生态组件 ============ */

/* 认证/作者徽标 */
.badge-v{display:inline-block;background:#ecfdf5;color:#059669;font-size:12px;padding:2px 8px;border-radius:20px;margin-left:6px;font-weight:600}
.badge-e{display:inline-block;background:#fffbeb;color:#d97706;font-size:12px;padding:2px 8px;border-radius:20px;margin-left:6px;font-weight:600}
.badge-author{position:absolute;left:8px;bottom:8px;background:rgba(15,23,42,.78);color:#fff;font-size:12px;padding:2px 8px;border-radius:14px}
.badge-oldprice{position:absolute;right:8px;top:8px;background:rgba(239,68,68,.92);color:#fff;font-size:12px;padding:2px 8px;border-radius:14px;text-decoration:line-through}
.free-flag{display:inline-block;background:#ef4444;color:#fff;font-size:13px;font-weight:700;padding:3px 10px;border-radius:8px;margin-right:8px}
.price.free .free-flag{vertical-align:middle}

/* 店铺 */
.store-hero{display:flex;gap:20px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;flex-wrap:wrap}
.store-logo{width:84px;height:84px;border-radius:18px;background:linear-gradient(135deg,#1e293b,#0ea5e9);color:#fff;display:flex;align-items:center;justify-content:center;font-size:36px;font-weight:800;overflow:hidden;flex-shrink:0}
.store-logo img{width:100%;height:100%;object-fit:cover}
.store-meta{flex:1;min-width:200px}
.store-stats{display:flex;gap:18px;margin-top:10px;color:var(--muted);font-size:14px;flex-wrap:wrap}
.store-actions{display:flex;flex-direction:column;gap:10px;min-width:150px}

/* 买家秀 */
.show-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.show-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.show-head{display:flex;gap:10px;align-items:center}
.show-avatar{width:38px;height:38px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.show-author{font-weight:600}
.show-imgs{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.show-imgs img{width:100px;height:100px;object-fit:cover;border-radius:8px;border:1px solid var(--border)}

/* 需求大厅 */
.req-list{display:flex;flex-direction:column;gap:14px}
.req-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.req-top{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.req-meta{display:flex;gap:16px;flex-wrap:wrap;margin:8px 0;font-size:13px}
.req-actions{margin-top:8px}

/* 通用表单列 */
.form-col{display:flex;flex-direction:column;gap:12px}
.inline-form{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}
.inline-form input{min-width:120px}

/* 限免专区卡片已有 .badge-free / .tpl-card */

/* ============ 第4期：智能与构建组件 ============ */

/* AI 客服浮窗（多会话） */
.ai-fab{position:fixed;right:20px;bottom:84px;width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,#6366f1,#0ea5e9);color:#fff;font-size:24px;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 24px rgba(99,102,241,.4);z-index:999}
.ai-chat{position:fixed;right:20px;bottom:146px;width:540px;max-width:94vw;height:520px;max-height:82vh;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,.16);display:flex;flex-direction:row;z-index:999;overflow:hidden}
.ai-chat-side{width:150px;flex:0 0 150px;background:#f1f5f9;border-right:1px solid var(--border);display:flex;flex-direction:column}
.ai-new-btn{margin:10px 10px 6px;border:none;background:#4f46e5;color:#fff;border-radius:8px;padding:8px 6px;font-size:13px;cursor:pointer}
.ai-new-btn:hover{background:#4338ca}
.ai-chat-list{list-style:none;margin:0;padding:4px 8px;flex:1;overflow-y:auto}
.ai-chat-item{display:flex;align-items:center;justify-content:space-between;padding:8px 8px;border-radius:8px;cursor:pointer;font-size:13px;color:#334155;margin:2px 0}
.ai-chat-item:hover{background:#e2e8f0}
.ai-chat-item.active{background:#e0e7ff;color:#3730a3;font-weight:600}
.ai-chat-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.ai-chat-del{color:#94a3b8;margin-left:6px;font-size:14px;line-height:1}
.ai-chat-del:hover{color:#ef4444}
.ai-chat-main{flex:1;display:flex;flex-direction:column;min-width:0}
.ai-chat-head{background:#4f46e5;color:#fff;padding:12px 14px;font-weight:600;display:flex;justify-content:space-between;align-items:center}
.ai-close{cursor:pointer;font-size:18px}
.ai-chat-body{flex:1;overflow-y:auto;padding:12px;background:#f8fafc;display:flex;flex-direction:column}
.ai-msg{max-width:85%;margin:6px 0;padding:8px 12px;border-radius:12px;font-size:14px;line-height:1.5;word-break:break-word}
.ai-msg.bot{background:#fff;border:1px solid var(--border);align-self:flex-start}
.ai-msg.user{background:#4f46e5;color:#fff;align-self:flex-end}
.ai-chat-input{display:flex;border-top:1px solid var(--border)}
.ai-chat-input input{flex:1;border:none;padding:10px 12px;outline:none}
.ai-chat-input button{background:#4f46e5;color:#fff;border:none;padding:0 16px;cursor:pointer}
@media (max-width:560px){ .ai-chat{width:96vw;height:78vh} .ai-chat-side{width:108px;flex-basis:108px} }

/* 低代码构建器 */
.lc-wrap{display:grid;grid-template-columns:200px 1fr 240px;gap:14px;margin-top:14px}
.lc-palette,.lc-props{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:14px;align-self:start}
.lc-palette h3,.lc-props h3{margin:0 0 10px;font-size:14px}
.lc-cmp{display:block;width:100%;margin-bottom:8px;padding:9px;border:1px dashed #c7d2fe;background:#eef2ff;border-radius:8px;cursor:pointer;font-size:13px;color:#4338ca}
.lc-cmp:hover{background:#e0e7ff}
.lc-pages{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.lc-page{display:block;padding:7px 10px;background:#f8fafc;border-radius:8px;font-size:13px;color:#334155;text-decoration:none}
.lc-page:hover{background:#eef2ff}
.lc-canvas{background:#fff;border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column;min-height:520px}
.lc-toolbar{display:flex;gap:8px;padding:10px;border-bottom:1px solid var(--border);align-items:center;flex-wrap:wrap}
.lc-toolbar input[type=text]{flex:1;min-width:140px}
.lc-preview{flex:1;padding:18px;overflow-y:auto}
.lc-block{position:relative;border:1px solid transparent;border-radius:10px;padding:4px 6px;margin:2px 0;cursor:pointer}
.lc-block:hover{border-color:#c7d2fe}
.lc-block.active{border:2px solid #4f46e5;background:#f5f3ff}
.lc-bar{position:absolute;top:-10px;right:6px;display:none;gap:4px;z-index:2}
.lc-block:hover .lc-bar,.lc-block.active .lc-bar{display:flex}
.lc-bar button{border:none;background:#4f46e5;color:#fff;width:22px;height:22px;border-radius:6px;cursor:pointer;font-size:12px;line-height:1}
.lc-props textarea,.lc-props input{width:100%;padding:7px;border:1px solid var(--border);border-radius:8px;margin-top:4px;font-size:13px}
.lc-props label{display:block;font-size:12px;color:var(--muted);margin-top:8px}

/* 详情页：版本历史 / 咨询 / 相似 */
.version-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:14px;margin-top:14px}
.version-list{list-style:none;margin:0;padding:0}
.version-list li{display:flex;gap:10px;align-items:center;padding:7px 0;border-bottom:1px dashed #eee;font-size:14px;flex-wrap:wrap}
.v-no{font-weight:700;color:var(--primary)}
.v-log{color:#475569;flex:1;min-width:120px}
.v-time{color:var(--muted);font-size:12px}
.v-dl{color:#2563eb;font-size:13px;text-decoration:none}
.card-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-top:14px}
.inquiry-sec .req{color:#ef4444}
.cb{display:inline-flex;align-items:center;gap:6px;font-size:14px}
.muted{color:var(--muted)}

/* AI 预审卡片 */
.ai-review-list{display:flex;flex-direction:column;gap:12px;margin-top:12px}
.ai-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:14px}
.ai-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.badge-ai{font-size:12px;padding:2px 8px;border-radius:20px;font-weight:600}
.score-pass{background:#dcfce7;color:#16a34a}
.score-mid{background:#fef9c3;color:#ca8a04}
.score-bad{background:#fee2e2;color:#dc2626}
.ai-sug{color:#475569;font-size:13px}
.ai-meta{font-size:13px;margin:6px 0}
.ai-reasons{margin:6px 0 10px;padding-left:18px;color:#475569;font-size:13px}
.ai-actions{display:flex;gap:8px;flex-wrap:wrap}

/* 威客列表(复用通用卡片) */
.task-list{display:flex;flex-direction:column;gap:14px}
.task-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.task-top{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.task-meta{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin:8px 0}
.bid-list{margin-top:8px;border-top:1px dashed #eee;padding-top:8px}

/* ============ v8 扩展功能通用样式 ============ */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.user-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.user-card{display:flex;align-items:center;gap:12px}
.user-card .avatar.lg,.avatar.lg{width:46px;height:46px;font-size:18px}
.u-info{flex:1;min-width:0}
.u-info .u-name{font-weight:600;color:var(--text);text-decoration:none}
.u-info .muted{font-size:13px}
.avatar.lg{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}
.progress{height:10px;background:#eceef2;border-radius:6px;overflow:hidden;margin:8px 0}
.progress > span{display:block;height:100%;background:linear-gradient(90deg,#4f46e5,#7c3aed);border-radius:6px}
.progress-text{font-size:13px;color:var(--muted)}
.stars{color:#f59e0b;letter-spacing:2px}
.stars .off{color:#d9dce3}
.result{background:#f8f9fb;border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;margin-top:14px}
.result h3,.result h4{margin:0 0 8px}
.code-area{width:100%;min-height:160px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;padding:10px;border:1px solid var(--border);border-radius:8px;resize:vertical}
.dev-btn{margin-left:8px}
ul.tree,ul.tree ul{list-style:none;padding-left:18px;margin:4px 0}
ul.tree li{padding:3px 0;font-size:14px}
ul.tree .dir{font-weight:600;color:var(--primary)}
ul.tree .file{color:var(--text)}
ul.tree .size{color:var(--muted);font-size:12px;margin-left:6px}
.tag{display:inline-block;background:#eef0ff;color:#4f46e5;border-radius:20px;padding:2px 10px;font-size:12px;margin:2px}
.score-ring{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:50%;font-size:22px;font-weight:700;color:#fff;background:#4f46e5}
.show-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.show-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.show-thumb{width:100%;height:140px;object-fit:cover;background:#f1f3f7}
.show-body{padding:10px 12px}
.show-head{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.show-avatar{width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:12px}
.show-author{font-size:13px;font-weight:600}
.show-imgs{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.show-imgs img{width:56px;height:56px;object-fit:cover;border-radius:6px}
.dash{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}
.stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.stat .num{font-size:24px;font-weight:700;color:var(--primary)}
.stat .lbl{font-size:13px;color:var(--muted);margin-top:4px}
.narrow{max-width:760px;margin:0 auto}
.bid-row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:6px 0;font-size:14px;flex-wrap:wrap}