*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
     background:#0b1017;color:#e5e9f0;font-size:14px;padding-bottom:70px;min-height:100vh}

/* 顶部菜单：横向滚动 */
.topbar{position:sticky;top:0;z-index:100;background:#121926;border-bottom:1px solid #2a3446}
.topbar-scroll{display:flex;overflow-x:auto;white-space:nowrap;padding:0 8px;-webkit-overflow-scrolling:touch}
.topbar-scroll::-webkit-scrollbar{display:none}
.top-link{flex:0 0 auto;padding:12px 10px;color:#98a3b8;text-decoration:none;font-size:13px}
.top-link:active{color:#dfa45f}

/* 底部导航 */
.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:flex;background:#121926;
            border-top:1px solid #2a3446;z-index:100}
.nav-item{flex:1;text-align:center;padding:14px 0;color:#98a3b8;text-decoration:none;font-size:14px}
.nav-item.active{color:#dfa45f}

.container{max-width:720px;margin:0 auto;padding:12px}

/* Banner */
.banner{height:140px;border-radius:12px;background:linear-gradient(135deg,#232d40,#1a2230);
        background-size:cover;background-position:center;display:flex;align-items:center;
        padding:20px;margin-bottom:12px;position:relative;overflow:hidden;cursor:pointer}
.banner-slides{position:absolute;inset:0;z-index:0}
.banner-slide{position:absolute;inset:0;background-size:cover;background-position:center;
        opacity:0;transition:opacity .5s ease}
.banner-slide.active{opacity:1}
.banner-dots{position:absolute;right:12px;bottom:10px;z-index:3;display:flex;gap:5px}
.banner-dot{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.35)}
.banner-dot.on{background:#f2b020}
.banner-text{position:relative;z-index:2;text-shadow:0 1px 4px rgba(0,0,0,.55)}
.banner-title{font-size:20px;font-weight:600}
.banner-sub{font-size:12px;color:#98a3b8;margin-top:6px}

/* 卡片 */
.card{background:#1a2230;border-radius:12px;padding:12px;margin-bottom:12px;border:1px solid #2a3446}
.card-title{font-size:14px;color:#dfa45f;margin-bottom:8px;font-weight:600}
.notice-item{display:flex;align-items:center;gap:8px;padding:9px 0;border-bottom:1px dashed #303b4f;
             cursor:pointer;font-size:13px;color:#c6cede}
.notice-item:last-child{border-bottom:none}
.notice-dot{width:6px;height:6px;border-radius:50%;background:#dfa45f;flex:0 0 auto}

.section-title{font-size:15px;font-weight:600;margin:14px 4px 10px}

/* 产品卡片 */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.product-card{background:#1a2230;border:1px solid #2a3446;border-radius:12px;padding:12px;cursor:pointer}
.pc-name{font-size:14px;font-weight:600;margin-bottom:6px}
.pc-price{font-size:18px;font-weight:700}
.pc-change{font-size:12px;margin-top:4px}
.pc-chart{width:100%;height:46px;display:block;margin-top:6px}

/* 颜色 */
.up{color:#ff4d4f}.down{color:#3ddc84}.flat{color:#9aa4b8}

/* K线页 */
.quote-head{padding:6px 4px 10px}
.quote-name{font-size:18px;font-weight:600}
.quote-price{font-size:28px;font-weight:700;margin-top:4px}
.quote-change{font-size:14px;margin-top:4px}
.quote-stats{display:flex;gap:16px;font-size:12px;color:#98a3b8;padding:8px 4px 14px}
.quote-stats b{display:block;color:#e5e9f0;font-size:14px;margin-top:3px}

.period-bar{display:flex;gap:6px;overflow-x:auto;padding:6px 0 12px}
.period-bar button{flex:0 0 auto;background:#1a2230;border:1px solid #2a3446;color:#98a3b8;
                   border-radius:8px;padding:6px 12px;font-size:12px}
.period-bar button.active{background:#dfa45f;color:#0b1017;border-color:#dfa45f;font-weight:600}

.kline-canvas{width:100%;height:280px;background:#131a26;border:1px solid #2a3446;border-radius:12px}

.action-bar{display:flex;gap:10px;margin-top:16px;position:sticky;bottom:70px;background:#0b1017;padding:8px 0}
.action-bar button{flex:1;padding:14px 0;border:none;border-radius:10px;font-size:15px;font-weight:600;color:#fff}
.btn-up{background:#ff4d4f}
.btn-down{background:#3ddc84}
.btn-flat{background:#78839a}

/* 弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;
            align-items:center;justify-content:center;z-index:200;padding:20px}
.modal-mask.show{display:flex}
.modal{background:#1a2230;border:1px solid #303b4f;border-radius:14px;padding:18px;
       width:100%;max-width:340px}
.modal h3{margin-bottom:12px;font-size:16px}
.modal input{width:100%;padding:12px;background:#0b1017;border:1px solid #303b4f;
             border-radius:8px;color:#e5e9f0;margin-bottom:10px;font-size:15px}
.modal-row{display:flex;justify-content:flex-end;margin-bottom:12px}
.btn-all{background:#232d40;color:#dfa45f;border:1px solid #dfa45f;border-radius:8px;
         padding:6px 12px;font-size:12px}
.modal-actions{display:flex;gap:10px}
.modal-actions button{flex:1;padding:12px 0;border:none;border-radius:8px;font-weight:600;font-size:14px}
.btn-cancel{background:#303b4f;color:#c6cede}
.btn-submit{background:#dfa45f;color:#0b1017}
.modal-tip{margin-top:10px;font-size:12px;text-align:center;min-height:16px}

/* 订单 */
.tabs{display:flex;gap:8px;margin-bottom:12px}
.tab{flex:1;padding:10px 0;background:#1a2230;border:1px solid #2a3446;color:#98a3b8;
     border-radius:10px;font-size:14px}
.tab.active{background:#dfa45f;color:#0b1017;border-color:#dfa45f;font-weight:600}
.order-card{background:#1a2230;border:1px solid #2a3446;border-radius:12px;padding:12px;margin-bottom:10px}
.order-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.order-symbol{font-weight:600}
.tag{font-size:11px;padding:2px 8px;border-radius:6px}
.tag-up{background:rgba(255,77,79,.15);color:#ff4d4f}
.tag-down{background:rgba(61,220,132,.15);color:#3ddc84}
.tag-flat{background:rgba(155,164,184,.15);color:#9aa4b8}
.order-row{display:flex;justify-content:space-between;padding:5px 0;font-size:12px;color:#98a3b8}
.order-row b{color:#e5e9f0;font-weight:500}

/* 个人中心 */
.profile-card{padding:16px}
.profile-top{display:flex;gap:12px;align-items:center;margin-bottom:14px}
.avatar{width:52px;height:52px;border-radius:50%;background:#dfa45f;color:#0b1017;
        display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700}
.profile-name{font-size:16px;font-weight:600}
.profile-id{font-size:12px;color:#98a3b8;margin-top:3px}
.asset-grid{display:flex;gap:8px;border-top:1px solid #2a3446;padding-top:12px}
.asset-item{flex:1;text-align:center;font-size:12px;color:#98a3b8}
.asset-item b{display:block;margin-top:5px;font-size:16px;color:#dfa45f}
.btn-row{display:flex;gap:10px}
.btn-primary{flex:1;display:flex;align-items:center;justify-content:center;padding:12px 0;
             background:#dfa45f;color:#0b1017;border:none;border-radius:10px;font-weight:600;
             text-decoration:none;font-size:14px}
.btn-ghost{flex:1;padding:12px 0;background:#232d40;color:#c6cede;border:1px solid #303b4f;
           border-radius:10px;font-size:14px}

/* 登录 */
.login-box{max-width:340px;margin:60px auto;background:#1a2230;border:1px solid #2a3446;
           border-radius:14px;padding:24px}
.login-box h2{font-size:18px;text-align:center;margin-bottom:6px}
.login-box .sub{text-align:center;font-size:12px;color:#98a3b8;margin-bottom:18px}
.login-box input{width:100%;padding:12px;background:#0b1017;border:1px solid #303b4f;
                 border-radius:8px;color:#e5e9f0;margin-bottom:12px}
.login-box button{width:100%;padding:12px;background:#dfa45f;color:#0b1017;
                  border:none;border-radius:8px;font-weight:600;font-size:15px}
.error{color:#ff4d4f;font-size:13px;text-align:center;margin-bottom:10px}
.tip{font-size:12px;color:#78839a;text-align:center;margin-top:14px}

/* 静态页/消息 */
.page-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.btn-back{background:#232d40;color:#c6cede;border:1px solid #303b4f;padding:8px 14px;
          border-radius:8px;font-size:13px}
.static-content{white-space:pre-wrap;font-family:inherit;font-size:14px;line-height:1.8;color:#c6cede}
.message-item{display:block;background:#1a2230;border:1px solid #2a3446;border-radius:10px;
              padding:14px;margin-bottom:10px;text-decoration:none;color:#e5e9f0}
.message-title{font-size:14px;font-weight:500}
.message-time{font-size:12px;color:#78839a;margin-top:6px}

.empty{text-align:center;color:#78839a;padding:30px 0;font-size:13px}
.im-frame{width:100%;height:calc(100vh - 180px);border:1px solid #2a3446;border-radius:12px}

/* ---------- 柔和深色微调（只影响观感，不改布局） ---------- */
.card,.product-card,.order-card,.message-item,.login-box,.modal{
  box-shadow:0 2px 10px rgba(0,0,0,.28);
}
.topbar,.bottom-nav{
  box-shadow:0 2px 10px rgba(0,0,0,.22);
}
input,textarea{
  outline:none;
  transition:border-color .15s ease;
}
input:focus,textarea:focus{
  border-color:#3d4a66;
}
.btn-primary,.btn-submit,.login-box button{
  box-shadow:0 2px 10px rgba(223,164,95,.22);
}
.card-title{
  letter-spacing:.4px;
}