:root{--bg:#080b12;--bg2:#0f1521;--card:#141b28;--card2:#1a2332;--line:#24304a;--text:#e8edf6;--muted:#8a96ab;--gold:#d4af37;--gold2:#f0d27a;--red:#e05252;--green:#3ddc97;--blue:#5aa9ff;--radius:14px;}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:radial-gradient(1200px 600px at 50% -10%,#13203a 0%,var(--bg) 60%);color:var(--text);min-height:100vh;font-size:15px;line-height:1.5}
.hidden{display:none!important}

/* 输入框 */
.input,textarea.input,select.input{width:100%;padding:13px 14px;background:var(--card2);border:1px solid var(--line);border-radius:12px;color:var(--text);font-size:15px;outline:none;transition:.2s}
.input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(212,175,55,.12)}
textarea.input{resize:vertical;min-height:120px;font-family:monospace;font-size:13px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:12px;border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:transform .1s,opacity .2s,background .2s;white-space:nowrap}
.btn:active{transform:scale(.97)}.btn-block{width:100%}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1a1200;box-shadow:0 8px 24px rgba(212,175,55,.25)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-danger{background:rgba(224,82,82,.12);color:var(--red);border-color:rgba(224,82,82,.35)}
.btn-green{background:rgba(61,220,151,.12);color:var(--green);border-color:rgba(61,220,151,.35)}
.btn-sm{padding:8px 12px;font-size:13px;border-radius:10px}

/* 登录页 */
.auth-view{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card{width:100%;max-width:420px;background:linear-gradient(180deg,rgba(26,35,50,.9),rgba(20,27,40,.95));border:1px solid var(--line);border-radius:22px;padding:32px 26px 24px;box-shadow:0 30px 80px rgba(0,0,0,.6);backdrop-filter:blur(8px)}
.auth-brand{text-align:center;margin-bottom:26px}
.auth-logo{width:64px;height:64px;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;font-size:30px;color:#1a1200;background:linear-gradient(135deg,var(--gold),var(--gold2));border-radius:18px;box-shadow:0 10px 30px rgba(212,175,55,.35)}
.auth-brand h1{margin:0;font-size:24px;letter-spacing:2px}.auth-brand p{margin:6px 0 0;color:var(--muted);font-size:12px;letter-spacing:3px}
.auth-tabs{display:flex;background:var(--card2);border-radius:12px;padding:4px;margin-bottom:20px}
.auth-tab{flex:1;padding:10px;border:0;background:transparent;color:var(--muted);font-size:14px;font-weight:600;border-radius:9px;cursor:pointer;transition:.2s}
.auth-tab.active{background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1a1200}
.auth-form{display:flex;flex-direction:column;gap:12px}

/* 应用主体 */
.app{min-height:100vh;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:rgba(8,11,18,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;letter-spacing:1px}
.brand-logo{width:30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1a1200;font-size:16px}
.user-chip{display:flex;flex-direction:column;align-items:flex-end;gap:2px;font-size:12px;color:var(--muted)}
.user-chip .name{color:var(--text);font-weight:600;font-size:13px}
.user-chip .badge{display:inline-block;padding:1px 8px;border-radius:20px;font-size:11px;background:rgba(212,175,55,.15);color:var(--gold2)}

.main{flex:1;width:100%;max-width:560px;margin:0 auto;padding:16px 14px 100px}

/* 底部导航栏 */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;justify-content:space-around;background:rgba(15,21,33,.96);backdrop-filter:blur(12px);border-top:1px solid var(--line);padding:8px 0 calc(8px + env(safe-area-inset-bottom));max-width:560px;margin:0 auto}
.tab-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:4px 0;border:0;background:transparent;cursor:pointer;color:var(--muted);font-size:11px;transition:color .2s}
.tab-item .ico{font-size:20px;line-height:1}.tab-item.active{color:var(--gold2)}

/* 卡片与列表 */
.card{background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:12px;box-shadow:0 6px 20px rgba(0,0,0,.25)}
.card-row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.card-name{font-size:16px;font-weight:700}.card-desc{color:var(--muted);font-size:12px;margin-top:4px}
.card-meta{display:flex;gap:14px;margin-top:10px;font-size:12px;color:var(--muted);flex-wrap:wrap}
.price{color:var(--gold2);font-weight:800;font-size:18px}
.section-title{display:flex;align-items:center;justify-content:space-between;margin:6px 2px 14px;font-size:15px;font-weight:700}

/* 标签 */
.tag{display:inline-block;padding:1px 8px;border-radius:20px;font-size:11px}
.tag-user{background:rgba(90,169,255,.12);color:var(--blue)}
.tag-agent{background:rgba(212,175,55,.15);color:var(--gold2)}
.tag-admin{background:rgba(224,82,82,.12);color:var(--red)}
.tag-sold{background:rgba(61,220,151,.12);color:var(--green)}
.tag-unsold{background:rgba(138,150,171,.15);color:var(--muted)}

/* 提示弹窗 */
.toast{position:fixed;left:50%;top:24px;transform:translate(-50%,-20px);background:rgba(20,27,40,.98);border:1px solid var(--line);color:var(--text);padding:10px 18px;border-radius:12px;font-size:13px;z-index:100;opacity:0;pointer-events:none;transition:.25s;max-width:86vw;text-align:center;box-shadow:0 10px 30px rgba(0,0,0,.5)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.err{border-color:rgba(224,82,82,.5);color:#ffb3b3}
.toast.ok{border-color:rgba(61,220,151,.5);color:#b6ffe0}

/* 模态框 */
.modal{position:fixed;inset:0;z-index:90;background:rgba(0,0,0,.65);display:flex;align-items:center;justify-content:center;padding:20px}
.modal-card{width:100%;max-width:400px;background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 30px 80px rgba(0,0,0,.7)}
.modal-title{font-size:17px;font-weight:700;margin:0 0 14px}
.modal-actions{display:flex;gap:10px;margin-top:18px}
.card-secret{background:var(--bg2);border:1px dashed var(--line);border-radius:12px;padding:12px;font-family:monospace;font-size:13px;word-break:break-all;margin-bottom:10px}
.card-secret span{color:var(--gold2)}
.empty{text-align:center;color:var(--muted);padding:40px 0;font-size:13px}

/* 🔥 新增：主分类 Tab 切换样式 */
.parent-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 6px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--line);
}
/* 隐藏滚动条让界面更清爽 */
.parent-tabs::-webkit-scrollbar {
    display: none;
}
.parent-tab {
    padding: 8px 16px;
    background: var(--card2);
    border: 1px solid var(--line);
    border-radius: 20px;
    font-size: 13px;
    color: var(--muted);
    cursor: pointer;
    white-space: nowrap;
    transition: .2s;
}
.parent-tab:hover {
    color: var(--text);
}
.parent-tab.active {
    background: linear-gradient(135deg, var(--gold), var(--gold2));
    color: #1a1200;
    font-weight: bold;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(212,175,55,.25);
}