*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
:root{--navy:#14233B;--orange:#FF7A29;--gold:#E6B800;--bg:#F4F6FA;--line:#E6EAF0;--txt:#1C2733;}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:#e9edf2;color:var(--txt);}

/* 微信内置浏览器拦截引导层 */
.wx-tip{display:none;position:fixed;inset:0;z-index:999;background:var(--navy);}
.wx-tip.show{display:flex;align-items:center;justify-content:center;padding:24px;}
.wx-tip-inner{background:#fff;border-radius:18px;padding:28px 22px;max-width:320px;text-align:center;}
.wx-tip-logo{color:var(--navy);font-size:22px;font-weight:800;letter-spacing:3px;margin-bottom:14px;}
.wx-tip-title{font-size:17px;font-weight:700;color:var(--navy);margin-bottom:4px;}
.wx-tip-sub{font-size:13px;color:#8a94a6;margin-bottom:16px;}
.wx-tip-qr{width:180px;height:180px;margin:0 auto 16px;border:1px solid var(--line);border-radius:8px;}
.wx-tip-step{font-size:14px;color:#3a4658;line-height:1.9;text-align:left;}
.wx-tip-step b{color:var(--orange);}
.app{max-width:480px;margin:0 auto;min-height:100vh;background:var(--bg);padding-bottom:74px;}
.topbar{background:var(--navy);color:#fff;padding:14px 16px;display:flex;align-items:baseline;gap:10px;}
.topbar .logo{font-size:20px;font-weight:800;letter-spacing:2px;}
.topbar .slogan{font-size:12px;color:var(--gold);letter-spacing:1px;}
.tabs{display:flex;flex-wrap:wrap;gap:4px;background:#fff;padding:8px 10px;position:sticky;top:0;z-index:5;border-bottom:1px solid var(--line);}
.tab{flex:0 0 auto;padding:8px 14px;font-size:15px;color:#5a6b80;border-radius:20px;}
.tab.active{color:var(--orange);background:#FFF2E9;font-weight:700;}
.list{padding:12px;}
.card{display:flex;background:#fff;border-radius:14px;padding:10px;margin-bottom:12px;position:relative;box-shadow:0 2px 8px rgba(20,35,59,.05);}
.card.selected{border:2px solid var(--orange);}
.poster-btn{display:inline-block;margin-top:8px;padding:5px 14px;font-size:12px;color:var(--navy);background:var(--gold);border:none;border-radius:15px;cursor:pointer;font-weight:700;letter-spacing:.5px;}
.poster-btn.pkg-poster{margin:10px 0 2px;}
.poster-lightbox{position:fixed;inset:0;background:rgba(8,12,20,.92);z-index:9999;display:none;flex-direction:column;align-items:center;justify-content:center;padding:14px;overflow:auto;}
.poster-lightbox.show{display:flex;}
.poster-lightbox img{max-width:100%;max-height:84vh;border-radius:10px;background:#fff;box-shadow:0 8px 40px rgba(0,0,0,.5);}
.poster-lightbox .lb-hint{color:#fff;font-size:13px;margin-top:12px;opacity:.8;}
.specs-lightbox{position:fixed;inset:0;background:rgba(8,12,20,.92);z-index:9999;display:none;flex-direction:column;align-items:center;justify-content:center;padding:14px;overflow:auto;}
.specs-lightbox.show{display:flex;}
.specs-panel{background:#fff;border-radius:14px;padding:20px 18px;max-width:340px;width:100%;box-shadow:0 8px 40px rgba(0,0,0,.5);}
.sp-head{font-size:16px;font-weight:800;color:var(--navy);line-height:1.3;}
.sp-sub{font-size:12px;color:#7a8aa0;margin:4px 0 12px;}
.sp-row{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid #eef1f5;font-size:13px;align-items:center;}
.sp-row span{color:#7a8aa0;flex:0 0 auto;}
.sp-row b{color:var(--navy);font-weight:700;text-align:right;}
.sp-section{font-size:12px;font-weight:800;color:var(--orange);margin:14px 0 8px;}
.sp-tags{display:flex;flex-wrap:wrap;gap:6px;}
.sp-tag{background:#F4F6FA;border:1px solid #e6ebf2;border-radius:8px;padding:5px 9px;font-size:12px;color:#3a4658;}
.sp-list{margin:0;padding-left:18px;font-size:13px;color:#3a4658;line-height:1.9;}
.sp-tip{font-size:11px;color:#9aa6b6;margin-top:14px;text-align:center;}
.sp-deliv b{font-weight:600;font-size:12px;}
.r-poster{flex:0 0 auto;margin-left:6px;padding:6px 10px;font-size:12px;color:#fff;background:var(--navy);border:none;border-radius:12px;cursor:pointer;}
.r-poster:active{opacity:.8;}
.thumb{width:96px;height:96px;object-fit:contain;background:#f7f9fc;border-radius:10px;flex:0 0 auto;}
.thumb.err{visibility:hidden;}
.info{flex:1;margin-left:10px;min-width:0;}
.tags{display:flex;gap:6px;margin-bottom:3px;}
.tags .brand{background:var(--navy);color:#fff;font-size:11px;padding:1px 7px;border-radius:4px;}
.tags .cat{background:#EEF1F6;color:#5a6b80;font-size:11px;padding:1px 7px;border-radius:4px;}
.name{font-size:15px;font-weight:700;line-height:1.25;}
.model{font-size:12px;color:#7a8aa0;margin:2px 0;}
.params{font-size:12px;color:#5a6b80;line-height:1.4;}
.note{font-size:11px;color:var(--orange);margin-top:2px;}
.btn-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px;}
.specs-btn{background:#F4F6FA;border:1px solid var(--line);color:var(--navy);border-radius:8px;padding:5px 10px;font-size:12px;cursor:pointer;font-weight:600;}
.specs-btn:hover{background:#eef2f8;}
.r-specs{background:#F4F6FA;border:1px solid var(--line);color:var(--navy);border-radius:6px;padding:3px 8px;font-size:11px;cursor:pointer;margin-left:6px;font-weight:600;}
.price-line{margin-top:4px;}
.price{color:var(--orange);font-weight:800;font-size:16px;}
.ref{color:#9aa5b8;font-size:12px;text-decoration:line-through;margin-left:6px;}
.check{position:absolute;right:10px;top:10px;width:24px;height:24px;border-radius:50%;border:2px solid var(--line);color:#fff;font-size:14px;display:flex;align-items:center;justify-content:center;}
.card.selected .check{background:var(--orange);border-color:var(--orange);}
.footer-bar{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;display:flex;gap:10px;padding:10px 14px;background:#fff;border-top:1px solid var(--line);}
.icp-bar{position:fixed;bottom:64px;left:50%;transform:translateX(-50%);width:100%;max-width:480px;text-align:center;font-size:12px;color:#9aa5b8;padding:4px 0;background:transparent;z-index:15;}
.btn-cart{flex:1;border:1.5px solid var(--orange);background:#fff;color:var(--orange);border-radius:24px;padding:11px;font-size:15px;font-weight:700;}
.btn-gen{flex:1;background:var(--orange);color:#fff;border:none;border-radius:24px;padding:11px;font-size:15px;font-weight:700;}
.btn-gen.full,.btn-cart.full{width:100%;flex:none;}
.empty{text-align:center;color:#9aa5b8;padding:40px 0;font-size:14px;}
.mask{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;z-index:20;}
.mask.show{display:block;}
.sheet{position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:100%;max-width:480px;background:#fff;border-radius:18px 18px 0 0;z-index:21;transform:translate(-50%,100%);transition:.25s;max-height:80vh;display:flex;flex-direction:column;}
.sheet.show{transform:translate(-50%,0);}
.sheet-head{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--line);font-weight:700;font-size:16px;}
.sheet-head .close{font-size:20px;color:#9aa5b8;}
.sheet-body{overflow-y:auto;padding:12px 16px;}
.sheet-foot{padding:12px 16px;border-top:1px solid var(--line);}
.row{display:flex;align-items:center;gap:8px;padding:10px 0;border-bottom:1px dashed var(--line);}
.r-info{flex:1;}
.r-name{font-size:14px;font-weight:700;}
.r-model{font-size:12px;color:#7a8aa0;}
.r-price{text-align:right;}
.r-price .price{color:var(--orange);font-weight:700;font-size:14px;}
.r-price .ref{color:#9aa5b8;font-size:11px;}
.r-del{border:none;background:#FDECEC;color:#E5484D;border-radius:8px;padding:5px 10px;font-size:12px;}
.result-img{width:100%;border-radius:10px;background:#14233B;}
.tip{text-align:center;color:#5a6b80;font-size:13px;margin-top:12px;}

/* 家电套餐卡 */
.pkg-card{background:#fff;border-radius:14px;padding:12px 12px 10px;margin-bottom:12px;position:relative;box-shadow:0 2px 8px rgba(20,35,59,.05);border:1px solid var(--line);}
.pkg-card.selected{border:2px solid var(--orange);}
.pkg-head{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:8px;}
.pkg-name{font-size:15px;font-weight:800;color:var(--navy);line-height:1.3;}
.pkg-price{text-align:right;flex:0 0 auto;}
.pkg-price .price{color:var(--orange);font-weight:800;font-size:16px;display:block;}
.pkg-price .ref{color:#9aa5b8;font-size:11px;text-decoration:line-through;}
.pkg-price .unit{font-size:11px;font-weight:600;margin-left:1px;}
.pkg-summary{background:#F7F9FC;border-radius:10px;padding:8px 10px;font-size:12.5px;line-height:1.5;color:#33414f;border:1px dashed var(--line);}
.pkg-items{display:flex;gap:8px;overflow-x:auto;padding:10px 2px 4px;margin-top:10px;-webkit-overflow-scrolling:touch;}
.pkg-items::-webkit-scrollbar{height:5px;}
.pkg-items::-webkit-scrollbar-thumb{background:#d8dee8;border-radius:3px;}
.pkg-item{flex:0 0 84px;display:flex;flex-direction:column;align-items:center;text-align:center;}
.pi-img{width:84px;height:84px;border-radius:10px;background:#F4F6FA;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid var(--line);}
.pi-img img{width:100%;height:100%;object-fit:contain;}
.pi-cat{margin-top:5px;font-size:10px;color:#fff;background:var(--navy);padding:1px 6px;border-radius:4px;}
.pi-name{margin-top:3px;font-size:10px;color:#5a6b80;line-height:1.2;max-width:84px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.pi-price{margin-top:2px;font-size:11px;font-weight:700;color:#FF7A29;line-height:1.1;}
.pkg-save{margin-top:8px;font-size:12px;color:#C8851F;background:#FFF6EA;border:1px solid #F2D9B0;border-radius:8px;padding:5px 10px;text-align:center;}
.sheet-total{display:flex;align-items:center;gap:10px;padding:12px 16px;margin:0 0 12px;background:#FFF6EC;border:1px solid #F2D9B0;border-radius:12px;}
.sheet-total .st-lab{font-size:14px;color:#5a6b80;}
.sheet-total .st-amt{font-size:22px;font-weight:800;color:#FF7A29;margin-left:auto;}
.sheet-total .st-inq{font-size:11px;color:#C8851F;background:#fff;border:1px solid #F0D9BE;padding:1px 6px;border-radius:6px;}
.pkg-save b{color:#E2591B;}
.pkg-card .check{position:absolute;right:10px;top:10px;width:24px;height:24px;border-radius:50%;border:2px solid var(--line);color:#fff;font-size:14px;display:flex;align-items:center;justify-content:center;}
.pkg-card.selected .check{background:var(--orange);border-color:var(--orange);}
.row.pkg-row{display:block;padding:10px 0;border-bottom:1px dashed var(--line);}
.r-sub{font-size:11px;color:#7a8aa0;margin-top:3px;line-height:1.4;}

/* 二级筛选条：搜索 + 价格档 */
.filterbar{background:#fff;padding:8px 10px 10px;border-bottom:1px solid var(--line);position:sticky;top:46px;z-index:4;}
.search-wrap{margin-bottom:8px;}
.search-input{width:100%;border:1.5px solid var(--line);background:#F7F9FC;border-radius:20px;padding:9px 14px;font-size:14px;outline:none;-webkit-appearance:none;box-sizing:border-box;}
.search-input:focus{border-color:var(--orange);background:#fff;}
.price-bar{display:flex;gap:8px;overflow-x:auto;-webkit-overflow-scrolling:touch;}
.price-bar::-webkit-scrollbar{display:none;}
.price-chip{flex:0 0 auto;padding:6px 14px;font-size:13px;color:#5a6b80;background:#EEF1F6;border-radius:16px;cursor:pointer;}
.price-chip.active{color:#fff;background:var(--orange);font-weight:700;}
/* 套餐场景分组标题 */
.scene-title{font-size:13px;font-weight:800;color:var(--navy);margin:4px 2px 8px;padding-left:8px;border-left:3px solid var(--orange);}

/* 会员码解锁 */
.vip-btn{margin-left:auto;font-size:12px;color:var(--gold);background:rgba(230,184,0,.12);border:1px solid var(--gold);border-radius:14px;padding:4px 10px;cursor:pointer;white-space:nowrap;}
.vip-btn.on{color:#9FE6B0;border-color:#9FE6B0;background:rgba(159,230,176,.12);}
.vip-modal{position:fixed;inset:0;background:rgba(8,12,20,.55);z-index:60;display:none;align-items:center;justify-content:center;padding:24px;}
.vip-modal.show{display:flex;}
.vip-box{background:#fff;border-radius:16px;padding:24px 20px;max-width:320px;width:100%;text-align:center;box-shadow:0 10px 40px rgba(0,0,0,.3);}
.vip-title{font-size:17px;font-weight:800;color:var(--navy);margin-bottom:6px;}
.vip-sub{font-size:13px;color:#8a94a6;margin-bottom:16px;}
.vip-input{width:100%;border:1.5px solid var(--line);border-radius:10px;padding:11px 14px;font-size:16px;text-align:center;outline:none;box-sizing:border-box;letter-spacing:3px;}
.vip-input:focus{border-color:var(--orange);}
.vip-err{color:#E5484D;font-size:12px;min-height:16px;margin-top:8px;}
.vip-ok{width:100%;background:var(--orange);color:#fff;border:none;border-radius:12px;padding:11px;font-size:15px;font-weight:700;margin-top:6px;cursor:pointer;}
.vip-cancel{width:100%;background:#fff;color:#8a94a6;border:none;padding:8px;font-size:13px;margin-top:6px;cursor:pointer;}

/* 云端会员（邮箱登录）—— 加法通道，不改动会员码逻辑 */
.mail-btn{margin-left:8px;color:#3a7afe;background:rgba(58,122,254,.10);border:1px solid #3a7afe;}
.mail-btn.on{color:#9FE6B0;border-color:#9FE6B0;background:rgba(159,230,176,.12);}
.cm-tabs{display:flex;gap:6px;justify-content:center;margin-bottom:14px;}
.cm-tab{font-size:13px;color:#8a94a6;padding:5px 10px;border-radius:10px;cursor:pointer;background:#f2f4f8;}
.cm-tab.active{color:#fff;background:var(--navy);font-weight:700;}
.cm-otp-row{display:flex;gap:8px;margin-top:8px;}
.cm-otp-row .vip-input{letter-spacing:1px;text-align:left;flex:1;}
.cm-send{flex:0 0 auto;background:#eef1f6;color:var(--navy);border:none;border-radius:10px;padding:0 12px;font-size:13px;font-weight:700;cursor:pointer;white-space:nowrap;}
.cm-send:disabled{opacity:.5;cursor:default;}
.cm-link{background:none;border:none;color:#3a7afe;font-size:12px;margin-top:8px;cursor:pointer;text-decoration:underline;}
.cm-note{font-size:11px;color:#aab2c0;margin-top:10px;line-height:1.5;}

/* 进入平台前的使用须知与账号约定（强制勾选同意） */
.notice-mask{position:fixed;inset:0;background:rgba(8,12,20,.94);z-index:99999;display:flex;align-items:center;justify-content:center;padding:16px;}
.notice-box{background:#fff;border-radius:16px;width:100%;max-width:520px;max-height:88vh;overflow-y:auto;padding:20px 18px 16px;box-shadow:0 12px 40px rgba(0,0,0,.35);}
.notice-title{font-size:19px;font-weight:800;color:var(--navy);text-align:center;letter-spacing:.5px;}
.notice-sub{font-size:12px;color:#8a94a6;text-align:center;margin:6px 0 14px;}
.notice-list{margin:0;padding-left:18px;font-size:13.5px;line-height:1.8;color:#3a4a5e;}
.notice-list li{margin-bottom:9px;}
.notice-list b{color:var(--navy);}
.notice-check{display:flex;align-items:flex-start;gap:9px;margin:16px 0 12px;font-size:14px;color:var(--navy);font-weight:600;cursor:pointer;}
.notice-check input{width:18px;height:18px;margin-top:2px;flex:0 0 auto;accent-color:var(--orange);}
.notice-btn{width:100%;padding:13px;border:none;border-radius:24px;background:var(--orange);color:#fff;font-size:16px;font-weight:700;letter-spacing:1px;cursor:pointer;}
.notice-btn:disabled{background:#c7cfda;color:#fff;cursor:not-allowed;}
.notice-foot{text-align:center;font-size:12px;color:#98a3b3;margin-top:10px;}