:root{
  --silver-chalice:#B5ACA3;
  --pale-cornflower:#B0D2EC;
  --pewter-blue:#849DBB;
  --silver-lake:#648EC0;
  --royal-brown:#533A33;
  --bg:#FAFAFA;
  --tag-red:#8B3A3A;
  --tag-purple:#8A7398;
  --wechat-green:#2DC100;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent;}
html,body{height:100%;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft Yahei",sans-serif;
  background:#e8e6e2;
  display:flex;justify-content:center;color:#222;
}

#shell{
  width:100%;max-width:430px;min-height:100vh;background:var(--bg);
  position:relative;overflow:hidden;box-shadow:0 0 40px rgba(0,0,0,0.15);
}
/* 平板 / 窄桌面：手机卡片居中展示 */
@media (min-width:431px) and (max-width:959px){
  body{padding:32px 0;align-items:flex-start;}
  #shell{min-height:844px;height:844px;border-radius:36px;}
}

.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 10px;background:var(--bg);position:relative;}
.topbar .brand{display:flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--royal-brown);}
.topbar .brand .logo-dot{width:20px;height:20px;border-radius:6px;background:var(--silver-lake);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:11px;font-weight:700;}
.topbar .title{font-size:16px;font-weight:600;color:#222;position:absolute;left:50%;transform:translateX(-50%);}
.topbar .icons{display:flex;gap:10px;color:#888;font-size:14px;}
.topbar .login-chip{margin-left:auto;font-size:11px;background:var(--royal-brown);color:#fff;padding:5px 10px;border-radius:14px;cursor:pointer;}

.page{display:none;height:calc(100% - 130px);overflow-y:auto;padding-bottom:20px;-webkit-overflow-scrolling:touch;}
.page.active{display:block;}
#shell.menu-open .page.active, #shell.modal-open .page.active{filter:brightness(0.85);}

.warning{margin:0 12px 10px;padding:8px 12px;background:#FBEFC9;border-radius:8px;font-size:12px;color:var(--royal-brown);display:flex;justify-content:space-between;align-items:center;gap:8px;}
.warning b{white-space:nowrap;color:var(--tag-red);}
.warning .link{white-space:nowrap;text-decoration:underline;font-weight:600;flex-shrink:0;cursor:pointer;}

.hero-banner{margin:0 12px 12px;border-radius:14px;overflow:hidden;position:relative;height:170px;background-size:cover;background-position:center;display:flex;align-items:flex-end;}
.hero-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(83,58,51,0) 40%,rgba(83,58,51,0.88) 100%);}
.hero-banner .hero-text{position:relative;z-index:1;padding:14px;color:#fff;}
.hero-banner .hero-text .h-title{font-size:16px;font-weight:700;line-height:1.4;text-shadow:0 1px 4px rgba(0,0,0,0.4);}
.hero-banner .hero-text .h-sub{font-size:11px;margin-top:4px;opacity:0.92;}

.search-box{margin:0 12px 14px;background:#fff;border:1px solid #eee;border-radius:22px;display:flex;align-items:center;padding:9px 14px;gap:8px;box-shadow:0 2px 6px rgba(0,0,0,0.04);}
.search-box input{border:none;outline:none;flex:1;font-size:12.5px;background:transparent;color:#333;}
.search-box input::placeholder{color:#aaa;}

.tabs{display:flex;gap:22px;padding:0 16px;margin-bottom:10px;border-bottom:1px solid #eee;}
.tab{font-size:14px;color:#777;padding:8px 2px 10px;position:relative;cursor:pointer;font-weight:500;}
.tab.active{color:var(--royal-brown);font-weight:700;}
.tab.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:2px;background:var(--pale-cornflower);}

.item-list{padding:0 12px;display:flex;flex-direction:column;gap:10px;}
.empty-hint{text-align:center;color:#bbb;font-size:12.5px;padding:40px 20px;}
.item-card{background:#fff;border-radius:12px;padding:12px;display:flex;gap:10px;box-shadow:0 1px 4px rgba(0,0,0,0.05);position:relative;}
.item-card .avatar{width:46px;height:46px;border-radius:10px;flex-shrink:0;object-fit:cover;background:#eee;}
.item-card .body{flex:1;min-width:0;}
.item-card .row-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px;}
.item-card .nickname{font-size:12.5px;color:#666;font-weight:600;}
.item-card .time{font-size:10.5px;color:#bbb;}
.badge-row{display:flex;align-items:center;gap:6px;margin-bottom:4px;flex-wrap:wrap;}
.tag-red{background:var(--tag-red);color:#fff;font-size:10px;padding:2px 6px;border-radius:4px;font-weight:600;white-space:nowrap;}
.tag-purple{background:var(--tag-purple);color:#fff;font-size:10px;padding:2px 6px;border-radius:10px;white-space:nowrap;}
.item-title{font-size:13.5px;font-weight:600;color:#222;line-height:1.4;margin-bottom:4px;}
.item-meta{font-size:11px;color:#999;line-height:1.6;}
.item-meta span{display:block;}
.item-thumb{width:46px;height:46px;border-radius:10px;object-fit:cover;flex-shrink:0;background:#eee;}
.contact-col{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;flex-shrink:0;padding-left:4px;}
.wechat-icon{width:34px;height:34px;border-radius:50%;background:#1a1a1a;display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer;}
.wechat-icon svg{width:18px;height:18px;}
.wechat-icon .shield{position:absolute;bottom:-2px;right:-2px;width:13px;height:13px;background:var(--wechat-green);border-radius:50%;border:2px solid #fff;display:flex;align-items:center;justify-content:center;}
.wechat-icon .shield svg{width:7px;height:7px;}
.contact-label{font-size:9.5px;color:#999;white-space:nowrap;}
.remove-link{font-size:10px;color:#c99;text-decoration:underline;cursor:pointer;margin-top:4px;text-align:center;}

.zone-header{padding:14px 16px 8px;}
.zone-header .zt{font-size:15px;font-weight:700;color:var(--royal-brown);}
.zone-header .zs{font-size:11px;color:#999;margin-top:3px;}
.zone-list{padding:4px 12px;display:flex;flex-direction:column;gap:14px;}
.zone-card{border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 1px 6px rgba(0,0,0,0.06);}
.zone-cover{height:100px;display:flex;align-items:center;justify-content:center;position:relative;padding:12px;text-align:center;background-size:cover;background-position:center;}
.zone-cover .zc-label{color:#fff;font-size:15px;font-weight:800;letter-spacing:1px;text-shadow:0 1px 6px rgba(0,0,0,0.35);}
.zone-body{padding:10px 14px 12px;}
.zone-body .zb-title{font-size:13.5px;font-weight:700;color:#222;margin-bottom:2px;}
.zone-body .zb-period{font-size:11px;color:#999;margin-bottom:8px;}
.zone-stats{display:flex;justify-content:space-between;align-items:center;}
.zone-stats .zn{font-size:14px;font-weight:800;color:var(--royal-brown);}
.zone-stats .zn b{color:var(--silver-lake);}
.zone-stats .zc{font-size:11px;color:#aaa;}

.shop-tabs{display:flex;padding:12px 16px 8px;gap:22px;}
.shop-tabs .st{font-size:14px;color:#aaa;font-weight:600;padding-bottom:8px;}
.shop-tabs .st.active{color:var(--royal-brown);border-bottom:3px solid var(--pale-cornflower);}
.filter-row{display:flex;gap:8px;padding:0 16px 10px;}
.filter-pill{font-size:10.5px;padding:4px 10px;border-radius:12px;background:#f1f1f1;color:#888;}
.filter-pill.a{color:#5b9c6d;background:#eaf6ec;}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:0 12px;}
.grid-item{border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 1px 5px rgba(0,0,0,0.06);position:relative;}
.grid-cover{height:118px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;background-size:cover;background-position:center;background:linear-gradient(135deg,var(--pewter-blue),var(--pale-cornflower));}
.grid-overlay{position:absolute;inset:0;background:rgba(255,255,255,0.55);backdrop-filter:blur(1px);display:flex;align-items:center;justify-content:center;text-align:center;padding:6px;}
.grid-overlay span{color:#9c3b3b;font-weight:800;font-size:12px;line-height:1.4;text-shadow:0 1px 2px rgba(255,255,255,0.6);}
.grid-info{padding:8px 9px 10px;}
.grid-name{font-size:11.5px;font-weight:600;color:#222;line-height:1.35;margin-bottom:6px;min-height:31px;}
.grid-designer{display:flex;align-items:center;gap:5px;justify-content:space-between;}
.grid-designer span{font-size:9.5px;color:#999;}
.join-btn{font-size:10px;background:var(--royal-brown);color:#fff;border:none;border-radius:8px;padding:4px 8px;cursor:pointer;}
.join-btn:disabled{background:#ccc;cursor:default;}

.mine-wrap{display:flex;flex-direction:column;align-items:center;padding-top:40px;}
.mine-wrap .mw-text{font-size:12.5px;color:#8a94a3;margin-bottom:22px;}
.mine-btn{background:var(--royal-brown);color:#fff;font-size:13px;font-weight:600;padding:11px 34px;border-radius:8px;border:none;cursor:pointer;letter-spacing:1px;}
.mine-profile{display:flex;align-items:center;gap:12px;padding:18px 16px;}
.mine-profile img{width:52px;height:52px;border-radius:50%;background:#eee;}
.mine-profile .mp-name{font-size:15px;font-weight:700;color:var(--royal-brown);}
.mine-profile .mp-phone{font-size:11px;color:#999;margin-top:2px;}
.mine-logout{font-size:11px;color:#c99;text-decoration:underline;cursor:pointer;margin-left:auto;}
.mine-section-title{font-size:12.5px;font-weight:700;color:#666;padding:6px 16px;}

.bottomnav{position:absolute;left:0;right:0;bottom:0;height:64px;background:#fff;border-top:1px solid #eee;display:flex;align-items:center;padding:0 4px;}
.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:#999;font-size:10px;cursor:pointer;height:100%;}
.nav-item svg{width:20px;height:20px;}
.nav-item.active{color:var(--silver-lake);}
.nav-item.center{position:relative;}
.nav-center-btn{position:absolute;top:-18px;left:50%;transform:translateX(-50%);width:46px;height:46px;border-radius:50%;background:var(--royal-brown);display:flex;align-items:center;justify-content:center;box-shadow:0 3px 10px rgba(83,58,51,0.4);transition:transform .25s;}
#shell.menu-open .nav-center-btn{transform:translateX(-50%) rotate(45deg);}
.nav-center-btn svg{width:22px;height:22px;}

.menu-overlay{position:absolute;inset:0;background:rgba(0,0,0,0);pointer-events:none;transition:background .25s;z-index:20;}
#shell.menu-open .menu-overlay{background:rgba(0,0,0,0.4);pointer-events:auto;}
.menu-sheet{position:absolute;left:0;right:0;bottom:0;background:var(--royal-brown);border-radius:20px 20px 0 0;padding:10px 18px 90px;transform:translateY(100%);transition:transform .28s cubic-bezier(.2,.8,.3,1);max-height:70%;overflow-y:auto;}
#shell.menu-open .menu-sheet{transform:translateY(0);}
.menu-handle{width:36px;height:4px;background:rgba(255,255,255,0.3);border-radius:2px;margin:8px auto 14px;}
.menu-entry{display:flex;align-items:flex-start;gap:12px;padding:14px 4px;border-bottom:1px solid rgba(255,255,255,0.1);cursor:pointer;}
.menu-entry:last-child{border-bottom:none;}
.menu-icon{width:34px;height:34px;border-radius:10px;background:rgba(176,210,236,0.15);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:16px;}
.menu-entry .me-title{color:var(--pale-cornflower);font-size:13.5px;font-weight:700;margin-bottom:3px;}
.menu-entry .me-desc{color:rgba(255,255,255,0.65);font-size:11px;line-height:1.5;}

.toast{position:absolute;left:50%;bottom:100px;transform:translate(-50%,10px);background:rgba(0,0,0,0.8);color:#fff;font-size:12px;padding:9px 16px;border-radius:8px;opacity:0;pointer-events:none;transition:all .25s;z-index:60;white-space:nowrap;max-width:85%;text-align:center;}
.toast.show{opacity:1;transform:translate(-50%,0);}

/* ---------- modal ---------- */
.modal-overlay{position:absolute;inset:0;background:rgba(0,0,0,0);pointer-events:none;transition:background .2s;z-index:40;display:flex;align-items:center;justify-content:center;}
#shell.modal-open .modal-overlay{background:rgba(0,0,0,0.45);pointer-events:auto;}
.modal-box{width:86%;max-width:340px;background:#fff;border-radius:16px;padding:20px;transform:scale(0.92);opacity:0;transition:all .2s;max-height:80%;overflow-y:auto;}
#shell.modal-open .modal-box{transform:scale(1);opacity:1;}
.modal-title{font-size:15px;font-weight:700;color:var(--royal-brown);margin-bottom:14px;}
.form-row{margin-bottom:12px;}
.form-row label{display:block;font-size:11.5px;color:#888;margin-bottom:5px;}
.form-row input, .form-row select, .form-row textarea{
  width:100%;border:1px solid #eee;background:#fafafa;border-radius:8px;padding:9px 11px;font-size:13px;outline:none;color:#333;font-family:inherit;
}
.form-row textarea{resize:vertical;min-height:50px;}
.form-row .code-row{display:flex;gap:8px;}
.form-row .code-row input{flex:1;}
.form-row .code-row button{flex-shrink:0;background:var(--pale-cornflower);color:var(--royal-brown);border:none;border-radius:8px;padding:0 12px;font-size:11.5px;font-weight:700;cursor:pointer;}
.form-row .code-row button:disabled{opacity:0.5;}
.type-picker{display:flex;gap:8px;}
.type-picker span{flex:1;text-align:center;padding:8px 0;border-radius:8px;background:#f1f1f1;font-size:12.5px;color:#777;cursor:pointer;}
.type-picker span.sel{background:var(--royal-brown);color:#fff;font-weight:700;}
.upload-box{border:1.5px dashed #ddd;border-radius:10px;height:80px;display:flex;align-items:center;justify-content:center;font-size:11.5px;color:#aaa;cursor:pointer;position:relative;overflow:hidden;}
.upload-box img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.upload-box input{position:absolute;inset:0;opacity:0;cursor:pointer;}
.modal-actions{display:flex;gap:10px;margin-top:16px;}
.modal-actions button{flex:1;border:none;border-radius:8px;padding:11px 0;font-size:13px;font-weight:700;cursor:pointer;}
.btn-cancel{background:#f1f1f1;color:#888;}
.btn-submit{background:var(--royal-brown);color:#fff;}
.btn-submit:disabled{opacity:0.5;}
.modal-close{position:absolute;top:14px;right:16px;font-size:18px;color:#ccc;cursor:pointer;}

/* =========================================================
   桌面宽屏样式（≥960px）
   手机端布局保持不变，这里只在大屏时把底部导航变成左侧栏，
   内容区改为多栏网格，不影响手机/平板端的样式和交互逻辑。
   ========================================================= */
@media (min-width:960px){
  body{padding:0;align-items:stretch;background:var(--bg);}

  #shell{
    max-width:1200px;width:100%;height:100vh;min-height:100vh;
    border-radius:0;box-shadow:none;margin:0 auto;
    display:flex;overflow:visible;
  }

  /* 左侧导航栏（复用原来底部导航的 DOM 和点击逻辑，仅改样式） */
  .bottomnav{
    position:static;order:0;flex:none;
    width:230px;height:100vh;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    border-top:none;border-right:1px solid #eee;
    padding:26px 0 20px;gap:2px;
  }
  .nav-item{
    flex:none;flex-direction:row;justify-content:flex-start;gap:14px;
    padding:13px 28px;font-size:14px;height:auto;
    border-radius:0 24px 24px 0;
  }
  .nav-item.active{background:rgba(176,210,236,0.3);color:var(--royal-brown);font-weight:600;}
  .nav-item svg{width:20px;height:20px;flex-shrink:0;}
  .nav-item.center{order:99;margin:18px 28px 6px;}
  .nav-center-btn{
    position:static;transform:none!important;width:auto;height:auto;
    border-radius:10px;padding:13px 0;box-shadow:none;
  }
  .nav-center-btn svg{width:20px;height:20px;}

  /* 右侧内容区：每个 .page 占满剩余宽度，允许自己滚动 */
  .page{
    flex:1;order:1;height:100vh;max-height:100vh;
    padding-bottom:40px;overflow-y:auto;
  }

  /* 顶部栏改为左对齐的宽屏页头 */
  .topbar{justify-content:flex-start;padding:22px 36px 16px;}
  .topbar .title{position:static;transform:none;font-size:18px;}

  /* 内容整体加宽内边距，限制最大阅读宽度 */
  .warning,.hero-banner,.search-box{margin-left:36px;margin-right:36px;}
  .tabs,.zone-header,.shop-tabs,.filter-row{padding-left:36px;padding-right:36px;}
  .item-list,.zone-list,.grid,#mineItemList{padding-left:36px;padding-right:36px;}
  .mine-wrap,.mine-profile{padding-left:36px;padding-right:36px;}
  .mine-section-title{padding-left:36px;}

  .hero-banner{height:220px;}

  /* 多栏网格：宽屏下物品/商品用网格铺开，不再是单列长列表 */
  .item-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:980px;}
  .grid{grid-template-columns:repeat(3,minmax(0,1fr));max-width:980px;}
  .zone-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;max-width:980px;}
  #mineItemList.item-list{grid-template-columns:repeat(2,minmax(0,1fr));}

  .empty-hint{grid-column:1 / -1;}

  /* 汉堡菜单弹窗宽屏下收窄，居中显示更像一个面板而不是贴底的抽屉 */
  .menu-sheet{
    left:50%;right:auto;bottom:40px;transform:translate(-50%,120%);
    width:420px;border-radius:20px;padding:10px 22px 26px;
  }
  #shell.menu-open .menu-sheet{transform:translate(-50%,0);}
}