:root{
    --acid:#DBEA00; --acid-alt:#A3EA66;
    --sweet:#FFB07C; --sweet-alt:#FFE4C4;
    --bitter:#707070; --bitter-2:#4A4A4A;
    --ink:#1A1A1A; --ink-2:#2A2A2A; --line:#E0E0E0; --gray:#999999;
    --paper:#FAF9F4; --paper-2:#F2F0E8;
    --paper-warm:#F7F2E4; --paper-warm-2:#FBF7EA;
    --wechat:#07c160;
  }
  *{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
  html,body{margin:0;background:#e9e9ec;font-family:"Helvetica Neue",Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-weight:300;color:var(--ink);}
  .app{max-width:480px;margin:0 auto;min-height:100vh;background:#fff;display:flex;flex-direction:column;box-shadow:0 0 40px rgba(0,0,0,.06);}
  .statusbar{height:38px;flex:0 0 38px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;font-size:12px;font-weight:400;border-bottom:1px solid #f2f2f2;}
  .statusbar .dots{display:flex;gap:4px;}
  .statusbar .dots i{width:5px;height:5px;border-radius:50%;background:#1a1a1a;display:block;}
  .screen{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;}
  .screen::-webkit-scrollbar{width:0;}

  /* ========== 请帖 · 封面 ========== */
  .invite{position:relative;background:linear-gradient(180deg,var(--paper-warm-2) 0%,var(--paper-warm) 100%);padding:0 0 8px;overflow:hidden;}
  /* 顶条 + 细黑描边 */
  .invite .stripe{height:6px;background:var(--acid);}
  .invite .stripe::after{content:"";display:block;height:2px;background:var(--ink);}

  /* 右上角章 */
  .invite .seal-top{position:absolute;top:24px;right:22px;width:54px;height:54px;border-radius:50%;background:var(--acid);border:1.5px solid var(--ink);display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(0,0,0,.06);transform:rotate(-8deg);}
  .invite .seal-top .seal-cn{font-size:26px;font-weight:700;line-height:1;color:var(--ink);}
  .invite .ornament{position:absolute;top:32px;right:86px;font-size:9px;letter-spacing:3px;color:#bfbfb0;font-weight:400;writing-mode:vertical-rl;}

  .invite .pad{padding:24px 24px 6px;}

  .invite .lab{font-size:10px;letter-spacing:4px;color:#a0a08e;font-weight:400;}
  .invite .lab .dot{display:inline-block;width:4px;height:4px;background:#a0a08e;border-radius:50%;margin:0 6px 2px;vertical-align:middle;}

  /* 巨大的"诚邀品鉴" */
  .invite h1{margin:14px 0 4px;font-size:46px;line-height:1.05;letter-spacing:8px;font-weight:700;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;}
  .invite .sub{font-size:12px;letter-spacing:2.5px;color:#666;margin:0 0 14px;}

  /* 期次胶囊 */
  .invite .phase-chip{display:inline-flex;align-items:center;gap:6px;font-size:10px;letter-spacing:2.5px;color:var(--ink);background:var(--acid);padding:5px 10px 4px;border-radius:20px;font-weight:600;margin-bottom:6px;}
  .invite .phase-chip .pdot{width:6px;height:6px;background:var(--ink);border-radius:50%;}

  /* 渐变分隔线（酸→甜→苦） */
  .invite .divider{height:1px;background:linear-gradient(90deg,transparent,#DBEA00 25%,#FFB07C 65%,#707070 100%);margin:14px 0 18px;}

  /* 正文邀请函 */
  .invite .body{font-size:13.5px;line-height:1.95;color:var(--ink-2);letter-spacing:.6px;margin:0 0 20px;text-align:justify;}
  .invite .body b{color:var(--ink);font-weight:700;}
  .invite .body .q{color:#999;font-size:12px;letter-spacing:3px;margin-top:14px;}

  /* 下滑开启提示 */
  .invite .open-hint{display:flex;flex-direction:column;align-items:center;gap:6px;padding:6px 0 12px;color:#a8a89a;}
  .invite .open-hint .oh-text{font-size:10px;letter-spacing:4px;}
  .invite .open-hint .oh-arrow{width:14px;height:14px;border-right:1.5px solid #a8a89a;border-bottom:1.5px solid #a8a89a;transform:rotate(45deg);animation:bounce 1.8s ease-in-out infinite;}
  @keyframes bounce{0%,100%{transform:rotate(45deg) translate(0,0);opacity:.4}50%{transform:rotate(45deg) translate(3px,3px);opacity:1}}

  /* 二维码卡 */
  .invite .qr-card{margin:6px auto 0;background:#fff;border-radius:18px;padding:16px 18px 14px;width:248px;box-shadow:0 6px 24px rgba(20,20,16,.08),0 1px 0 #ececec;text-align:center;}
  .invite .qr-card .frame{width:212px;height:212px;margin:0 auto 10px;border-radius:10px;background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;}
  .invite .qr-card .frame img{width:212px;height:212px;display:block;}
  .invite .qr-card .scan{font-size:10px;letter-spacing:3px;color:#999;margin-top:2px;}
  .invite .qr-card .url{font-size:10px;color:#bbb;margin-top:4px;word-break:break-all;line-height:1.5;max-height:28px;overflow:hidden;}

  /* 行动按钮 */
  .invite .actions{display:flex;gap:10px;margin:18px 22px 0;}
  .invite .btn{flex:1;text-align:center;padding:13px 0;border-radius:12px;font-size:14px;letter-spacing:2px;font-weight:600;cursor:pointer;border:none;transition:transform .12s;-webkit-appearance:none;font-family:inherit;}
  .invite .btn:active{transform:scale(.97);}
  .invite .btn-primary{background:var(--acid);color:var(--ink);box-shadow:0 4px 14px rgba(219,234,0,.4);}
  .invite .btn-ghost{background:transparent;color:var(--ink);border:1px solid #d8d6cc;}
  .invite .hint{font-size:10px;letter-spacing:2px;color:#a8a89a;text-align:center;margin:14px 22px 0;line-height:1.7;}
  .invite .hint .wx{color:#07c160;font-weight:600;}

  /* 印章页脚 */
  .invite .seal-foot{display:flex;justify-content:space-between;align-items:center;margin:22px 22px 0;padding-top:16px;border-top:1px dashed #d8d4c4;}
  .invite .seal-foot .left{font-size:9px;letter-spacing:2px;color:#b8b8a8;}
  .invite .seal-foot .right{font-size:9px;letter-spacing:2px;color:#b8b8a8;display:flex;gap:6px;align-items:center;}
  .invite .seal-foot .dot{width:6px;height:6px;border-radius:50%;}

  /* 分隔 */
  .invite-divider{display:flex;align-items:center;gap:10px;padding:18px 22px 10px;background:#fff;}
  .invite-divider .line{flex:1;height:1px;background:#ececec;}
  .invite-divider .label{font-size:10px;letter-spacing:3px;color:#bbb;}

  /* ========== 测评区 ========== */
  .brand{display:flex;align-items:baseline;gap:8px;padding:10px 18px 2px;}
  .brand .tri{width:0;height:0;border-left:7px solid transparent;border-right:7px solid transparent;border-bottom:13px solid var(--ink);}
  .brand h1{font-size:20px;font-weight:700;letter-spacing:2px;margin:0;font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;}
  .brand .lab{font-size:10px;letter-spacing:3px;color:var(--gray);font-weight:400;}
  .tagline{font-size:11px;letter-spacing:1px;color:var(--gray);margin:2px 18px 12px;}

  /* 昵称行 + 风味名片按钮 */
  .taster-row{margin:0 18px 12px;display:flex;gap:8px;align-items:center;}
  .taster-row label{font-size:11px;letter-spacing:2px;color:var(--gray);white-space:nowrap;}
  .taster-row input{flex:1;border:1px solid var(--line);background:#fafafa;border-radius:10px;padding:9px 12px;font-size:13px;color:var(--ink);font-family:inherit;outline:none;min-width:0;}
  .taster-row input:focus{border-color:var(--ink);}
  .taster-row .card-btn{flex:0 0 auto;border:1px solid var(--ink);background:#fff;color:var(--ink);border-radius:10px;padding:9px 12px;font-size:11px;letter-spacing:1.5px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:5px;font-family:inherit;white-space:nowrap;}
  .taster-row .card-btn:disabled{opacity:.35;border-color:#ccc;color:#999;cursor:not-allowed;}
  .taster-row .card-btn:not(:disabled):active{background:var(--ink);color:#fff;}

  /* chips */
  .chips{display:flex;gap:8px;overflow-x:auto;padding:4px 18px 12px;margin:0 -18px 0 0;}
  .chips::-webkit-scrollbar{height:0;}
  .chip{flex:0 0 auto;font-size:12px;letter-spacing:1px;padding:7px 14px;border:1px solid var(--line);border-radius:20px;color:#444;background:#fff;transition:.2s;cursor:pointer;}
  .chip.on{background:var(--ink);color:#fff;border-color:var(--ink);}

  /* 产品网格 */
  .grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:0 18px 24px;}
  .group-h{grid-column:1/-1;display:flex;align-items:center;gap:7px;font-size:11px;letter-spacing:2px;color:#333;margin:10px 0 2px;font-weight:600;}
  .group-h .gh-dot{width:11px;height:11px;border-radius:3px;flex:none;box-shadow:inset 0 0 0 1.5px rgba(0,0,0,.08);}
  .group-h .gh-en{color:var(--gray);font-size:9px;letter-spacing:2px;font-weight:400;}

  .card{position:relative;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;cursor:pointer;transition:transform .15s;}
  .card:active{transform:scale(.97);}
  .card .block{height:92px;display:flex;align-items:flex-end;padding:10px;position:relative;}
  .card .block .code{font-size:28px;font-weight:700;line-height:.9;letter-spacing:1px;}
  .card .block .phase{position:absolute;top:10px;right:10px;font-size:10px;letter-spacing:2px;opacity:.7;}
  .card .meta{padding:8px 10px 12px;}
  .card .meta .nm{font-size:12px;font-weight:400;color:#222;}
  .card .meta .co{font-size:10px;color:var(--gray);margin-top:3px;}
  .card .meta .price{font-size:12px;font-weight:700;margin-top:6px;}
  .card .done{position:absolute;top:8px;right:8px;background:var(--wechat);color:#fff;font-size:9px;letter-spacing:1px;padding:3px 7px;border-radius:6px;z-index:3;}

  .disclaim{font-size:10px;color:var(--gray);line-height:1.6;background:#fafafa;border:1px dashed var(--line);border-radius:10px;padding:10px 12px;margin:0 18px 24px;letter-spacing:.3px;}
  .disclaim b{color:#444;}

  /* ========== 测评表单单 ========== */
  .sheet-bg{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;z-index:50;align-items:flex-end;}
  .sheet-bg.show{display:flex;}
  .sheet-card{width:100%;max-width:480px;margin:0 auto;background:#fff;border-radius:18px 18px 0 0;max-height:92vh;overflow-y:auto;padding:18px 16px 24px;animation:up .25s ease;-webkit-overflow-scrolling:touch;}
  .sheet-card::-webkit-scrollbar{width:0;}
  @keyframes up{from{transform:translateY(40px);opacity:.6}to{transform:translateY(0);opacity:1}}
  .sheet-h{display:flex;align-items:center;gap:10px;margin-bottom:4px;}
  .sheet-h .sid{font-size:30px;font-weight:700;line-height:.9;letter-spacing:1px;}
  .sheet-h .snm{font-size:15px;font-weight:700;}
  .sheet-h .sph{font-size:10px;letter-spacing:2px;color:var(--gray);margin-top:2px;}
  .sheet-close{margin-left:auto;font-size:22px;color:#999;cursor:pointer;padding:0 4px;}

  .tp{margin-top:16px;border:1px solid var(--line);border-radius:12px;padding:12px 12px 6px;background:#fcfcfc;}
  .tp-t{font-size:13px;font-weight:700;letter-spacing:1px;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
  .tp-t .tdot{width:9px;height:9px;border-radius:50%;}
  .tp-t .hint{margin-left:auto;font-size:9px;color:#bbb;font-weight:400;letter-spacing:1px;}
  .row{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
  .row .rl{width:26px;font-size:13px;font-weight:700;}
  .row input[type=range]{flex:1;-webkit-appearance:none;height:6px;border-radius:3px;background:#ededed;outline:none;}
  .row input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--ink);border:3px solid #fff;box-shadow:0 1px 4px rgba(0,0,0,.25);cursor:pointer;}
  .row .rv{width:64px;text-align:right;font-size:11px;color:#333;}
  .row .rv b{font-size:13px;}

  /* ========== 三角评分（0-10 三角制，每三角=1，半三角=0.5） ========== */
  .tri-t{font-size:13px;font-weight:700;letter-spacing:1px;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
  .tri-t .tri-dot{width:9px;height:9px;border-radius:50%;}
  .tri-t .tri-tip{margin-left:auto;font-size:9px;color:#bbb;font-weight:400;letter-spacing:1px;}
  .tri-row{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .tri-row .trl{width:26px;font-size:13px;font-weight:700;text-align:center;}
  .tri-cells{flex:1;display:flex;justify-content:space-between;gap:4px;}
  .tri-cell{
    flex:0 0 16px;height:30px;position:relative;cursor:pointer;
    transition:transform .1s;-webkit-tap-highlight-color:transparent;
  }
  .tri-cell:active{transform:scale(.92);}
  .tri-cell::before{
    /* 占位（空）边框三角 */
    content:"";position:absolute;left:0;top:0;width:16px;height:30px;
    background:linear-gradient(180deg,#ECEAE0 0%,#ECEAE0 49%,transparent 49%,transparent 50%,#ECEAE0 50%,#ECEAE0 100%);
    clip-path:polygon(50% 0,100% 100%,0 100%);
  }
  .tri-cell .tri-fill{position:absolute;left:0;top:0;width:16px;height:30px;clip-path:polygon(50% 0,100% 100%,0 100%);background:#999;display:none;}
  .tri-cell.full .tri-fill{display:block;background:var(--tri-color,#666);}
  .tri-cell.half .tri-fill{display:block;background:var(--tri-color,#666);width:8px;}
  .tri-cell:hover::before{filter:brightness(.95);}
  .tri-row .trv{width:48px;text-align:right;font-size:11px;color:#333;}
  .tri-row .trv b{font-size:14px;}

  /* ========== 雷达 · 三角坐标 ========== */
  .radar{
    margin-top:14px;border:1px solid var(--line);border-radius:12px;
    background:linear-gradient(180deg,#fcfaf2 0%,#f7f2e4 100%);
    padding:14px 14px 12px;
  }
  .radar-h{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:700;letter-spacing:1px;color:#333;}
  .radar-h .radar-tag{font-size:9px;color:#999;font-weight:400;letter-spacing:2px;}
  .radar-h .radar-st{margin-left:auto;font-size:10px;color:#999;}
  .radar-canvas{margin:8px auto 0;width:100%;max-width:320px;display:block;}
  .radar-legend{display:flex;gap:10px;justify-content:center;margin:8px 0 6px;font-size:9.5px;color:#555;letter-spacing:1px;}
  .radar-legend i{display:inline-block;width:11px;height:3px;border-radius:2px;margin-right:4px;vertical-align:middle;}
  .radar-legend .lg-blue i{background:#2a78c0;}
  .radar-legend .lg-gray i{background:#bbb;}
  .radar-foot{margin-top:4px;font-size:11px;line-height:1.6;color:#333;text-align:center;letter-spacing:.5px;}
  .radar-foot b{color:#1a1a1a;}

  .narr{margin-top:14px;font-size:13px;line-height:1.7;color:#222;background:#fafafa;border:1px solid var(--line);border-radius:10px;padding:12px 14px;letter-spacing:.5px;}
  .narr .n-en{display:block;font-size:9px;color:var(--gray);letter-spacing:2px;margin-top:4px;}

  .feel{margin-top:16px;}
  .feel .ft{font-size:12px;letter-spacing:1px;color:#555;margin-bottom:8px;}
  .feel-btns{display:flex;gap:8px;}
  .feel-btns .fb{flex:1;text-align:center;padding:11px 0;border:1px solid var(--line);border-radius:10px;font-size:13px;background:#fff;cursor:pointer;transition:.15s;}
  .feel-btns .fb.on{background:var(--ink);color:#fff;border-color:var(--ink);}

  .notes-row{margin-top:14px;}
  .notes-row label{display:block;font-size:11px;letter-spacing:1px;color:var(--gray);margin-bottom:6px;}
  .notes-row textarea{width:100%;border:1px solid var(--line);background:#fafafa;border-radius:10px;padding:10px 12px;font-size:13px;color:var(--ink);font-family:inherit;min-height:54px;resize:vertical;outline:none;box-sizing:border-box;}
  .notes-row textarea:focus{border-color:var(--ink);}

  .submit{margin-top:18px;width:100%;padding:14px;border:none;border-radius:12px;background:var(--ink);color:#fff;font-size:15px;font-weight:700;letter-spacing:2px;cursor:pointer;-webkit-appearance:none;font-family:inherit;}
  .submit:disabled{opacity:.4;}

  /* ========== 风味名片 sheet ========== */
  .card-sheet .sheet-card{padding:14px 14px 22px;max-width:480px;}
  .card-sheet .csh{display:flex;align-items:center;justify-content:space-between;padding:4px 6px 10px;}
  .card-sheet .csh-t{font-size:13px;font-weight:700;letter-spacing:2px;}
  .card-sheet .csh-x{font-size:22px;color:#999;cursor:pointer;padding:0 4px;}

  .card-canvas-wrap{position:relative;margin:0 auto;width:100%;max-width:380px;border-radius:14px;overflow:hidden;background:var(--paper-warm-2);box-shadow:0 8px 24px rgba(0,0,0,.08);touch-action:pan-y;}
  .card-canvas-wrap canvas{display:block;width:100%;height:auto;}

  .card-tips{margin:14px 6px 0;font-size:11px;line-height:1.7;color:#666;background:#f7f7f2;border:1px dashed #e0ddd0;border-radius:10px;padding:10px 12px;letter-spacing:.5px;}
  .card-tips b{color:var(--ink);}
  .card-tips .wx{color:var(--wechat);font-weight:700;}

  .card-actions{display:flex;gap:10px;margin-top:14px;}
  .card-actions .ca{flex:1;padding:12px 0;border-radius:10px;font-size:13px;letter-spacing:2px;font-weight:600;cursor:pointer;border:none;-webkit-appearance:none;font-family:inherit;}
  .card-actions .ca:active{transform:scale(.97);}
  .card-actions .ca-primary{background:var(--acid);color:var(--ink);}
  .card-actions .ca-ghost{background:#fff;border:1px solid #d8d6cc;color:var(--ink);}

  /* toast / neterr */
  .toast{position:fixed;left:50%;bottom:80px;transform:translateX(-50%);background:rgba(0,0,0,.82);color:#fff;font-size:12px;padding:9px 16px;border-radius:20px;z-index:99;opacity:0;transition:.25s;pointer-events:none;letter-spacing:1px;}
  .toast.show{opacity:1;}

  .neterr{display:none;margin:0 18px 12px;background:#ffe9e9;border:1px solid #c0392b;color:#c0392b;padding:10px 12px;font-size:12px;border-radius:10px;line-height:1.6;}
  .neterr.show{display:block;}