*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
  :root{
    --bg:#FEF9EF;--bg-alt:#FFF5E4;--card:#FFFFFF;--text:#3D3D3D;
    --text-light:#9E9E9E;--accent:#FF7043;--accent-hover:#E64A19;
    --success:#4CAF50;--danger:#EF5350;--border:#F0E6D6;
    --shadow:0 4px 20px rgba(0,0,0,0.06);--shadow-lg:0 8px 40px rgba(0,0,0,0.1);
    --radius:16px;--radius-sm:10px;
  }
  html{font-size:16px}
  body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}
  .bg-shape{position:fixed;border-radius:50%;pointer-events:none;z-index:0;opacity:0.06}
  .bg-shape:nth-child(1){width:300px;height:300px;background:#26A69A;top:-80px;left:-80px;animation:bf 18s ease-in-out infinite}
  .bg-shape:nth-child(2){width:220px;height:220px;background:#EC407A;top:30%;right:-60px;animation:bf 22s ease-in-out infinite reverse}
  .bg-shape:nth-child(3){width:180px;height:180px;background:#FFA726;bottom:10%;left:10%;animation:bf 15s ease-in-out infinite 3s}
  .bg-shape:nth-child(4){width:260px;height:260px;background:#AB47BC;bottom:-100px;right:15%;animation:bf 20s ease-in-out infinite 5s}
  .bg-shape:nth-child(5){width:140px;height:140px;background:#42A5F5;top:50%;left:40%;animation:bf 16s ease-in-out infinite 2s}
  @keyframes bf{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(30px,-20px) scale(1.05)}66%{transform:translate(-20px,15px) scale(0.95)}}

  #app{position:relative;z-index:1;max-width:860px;margin:0 auto;padding:16px;min-height:100vh}
  .screen{display:none;padding:16px;max-width:860px;margin:0 auto}
  .screen.active{display:block;animation:sIn .35s ease both}
  @keyframes sIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}

  .save-toast{
    position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);
    background:#4CAF50;color:#fff;padding:10px 24px;border-radius:30px;
    font-size:.85rem;font-weight:600;z-index:300;pointer-events:none;
    box-shadow:0 4px 16px rgba(76,175,80,0.35);
    transition:transform .4s ease, opacity .4s ease;opacity:0;
  }
  .save-toast.show{transform:translateX(-50%) translateY(0);opacity:1}

  .home-header{text-align:center;padding:28px 0 8px}
  .home-title{font-size:2.6rem;font-weight:900;letter-spacing:-1px;background:linear-gradient(135deg,#FF7043,#EC407A,#AB47BC);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.1}
  .home-subtitle{font-size:1rem;color:var(--text-light);margin-top:6px}
  .save-indicator{font-size:.75rem;color:var(--success);margin-top:4px;opacity:.7}

  .cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-top:28px}
  .cat-card{background:var(--card);border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow);cursor:pointer;position:relative;overflow:hidden;transition:transform .25s,box-shadow .25s;border:2px solid transparent}
  .cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
  .cat-card:active{transform:translateY(-1px) scale(.98)}
  .cat-card.completed{border-color:#FFD54F}
  .cat-card.completed::after{content:'Selesai';position:absolute;top:12px;right:-28px;background:#FFD54F;color:#5D4037;font-size:.7rem;font-weight:700;padding:3px 32px;transform:rotate(45deg);letter-spacing:.5px}
  .cat-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;font-weight:800;color:#fff;margin-bottom:14px}
  .cat-icon-emoji{font-size:1.8rem;font-weight:400}
  .cat-name{font-size:1.05rem;font-weight:700;margin-bottom:4px}
  .cat-progress{font-size:.82rem;color:var(--text-light)}
  .cat-bar{width:100%;height:5px;background:#F0ECE4;border-radius:3px;margin-top:10px;overflow:hidden}
  .cat-bar-fill{height:100%;border-radius:3px;transition:width .5s}

  .level-header{display:flex;align-items:center;gap:12px;padding:20px 0 6px}
  .btn-back{width:42px;height:42px;border-radius:12px;border:2px solid var(--border);background:var(--card);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:var(--text);transition:background .2s,border-color .2s;flex-shrink:0}
  .btn-back:hover{background:var(--bg-alt);border-color:var(--text-light)}
  .level-title{font-size:1.35rem;font-weight:800}
  .level-desc{font-size:.88rem;color:var(--text-light);margin:4px 0 24px 54px}
  .level-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:14px;padding-bottom:40px}
  .level-node{display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer}
  .level-node.locked{cursor:default}
  .level-circle{width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:800;color:#fff;transition:transform .2s,box-shadow .2s;position:relative}
  .level-node:not(.locked) .level-circle:hover{transform:scale(1.1);box-shadow:0 4px 16px rgba(0,0,0,.15)}
  .level-node.locked .level-circle{background:#E0E0E0!important;color:#BDBDBD!important}
  .level-node.locked .level-circle::after{content:'';position:absolute;bottom:6px;right:6px;width:14px;height:11px;background:#BDBDBD;border-radius:2px}
  .level-node.locked .level-circle::before{content:'';position:absolute;bottom:14px;right:8px;z-index:1;width:8px;height:8px;border:2px solid #BDBDBD;border-bottom:none;border-radius:4px 4px 0 0}
  .level-node.current .level-circle{animation:pr 2s ease-in-out infinite}
  @keyframes pr{0%,100%{box-shadow:0 0 0 0 rgba(255,112,67,.4)}50%{box-shadow:0 0 0 8px rgba(255,112,67,0)}}
  .level-stars{font-size:.72rem;color:#FFD54F;letter-spacing:1px;min-height:14px}
  .level-node.locked .level-stars{color:#E0E0E0}
  .level-label{font-size:.68rem;color:var(--text-light);text-align:center;line-height:1.2;max-width:80px;min-height:14px}

  .quiz-top{display:flex;align-items:center;justify-content:space-between;padding:16px 0;flex-wrap:wrap;gap:8px}
  .quiz-top-left{display:flex;align-items:center;gap:12px}
  .quiz-progress-text{font-size:.9rem;font-weight:600;color:var(--text-light)}
  .quiz-dots{display:flex;gap:5px;flex-wrap:wrap;justify-content:center}
  .quiz-dot{width:10px;height:10px;border-radius:50%;background:#E0DCD4;transition:background .3s,transform .3s}
  .quiz-dot.done{background:var(--success);transform:scale(1.1)}
  .quiz-dot.wrong{background:var(--danger)}
  .quiz-dot.current{background:var(--accent);transform:scale(1.25)}
  .quiz-cat-badge{font-size:.78rem;font-weight:700;color:#fff;padding:4px 12px;border-radius:20px}
  .quiz-timer{font-size:.88rem;font-weight:700;color:var(--text);padding:4px 12px;background:var(--bg-alt);border-radius:20px}
  .quiz-timer.urgent{color:var(--danger);background:#FFEBEE;animation:tp 1s ease infinite}
  @keyframes tp{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}

  .quiz-card{
    background:var(--card);
    border-radius:var(--radius);
    padding:24px 20px 20px;
    box-shadow:var(--shadow-lg);
    text-align:center;
    margin-top:12px;
    min-height:calc(100vh - 220px);
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:24px;
    position:relative;
    border:2px solid var(--border);
    overflow:hidden;
    padding-bottom:80px;
  }
  .quiz-question{
    font-size:2rem;
    font-weight:800;
    color:var(--text);
    line-height:1.3;
    word-break:break-all;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
  }
  
  /* PERBAIKAN EMOJI AGAR TIDAK BERTUMPUK */
  .quiz-emoji-area{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:center;
    gap:12px; /* Jarak antar kelompok emoji dan tanda +/- */
    padding:16px;
    background:var(--bg-alt);
    border-radius:var(--radius-sm);
    max-width:100%;
    max-height:40vh;
    overflow-y:auto;
    line-height:1.5;
  }
  .emoji-group {
    display: flex;
    flex-wrap: wrap; /* Emoji di dalam kotak bisa turun baris dengan rapi */
    align-items: center;
    justify-content: center;
    max-width: 45%; /* Batasi lebar kotak agar selalu berdampingan */
    gap: 2px;
    background: rgba(255,255,255,0.8);
    padding: 8px 10px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    font-size: 1.6rem;
  }
  .emoji-op {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--accent);
    flex-shrink: 0;
  }

  .quiz-input-wrap{
    display:flex;
    gap:10px;
    align-items:center;
    width:100%;
    max-width:320px;
  }
  .quiz-input{flex:1;min-width:0;height:52px;border:2px solid var(--border);border-radius:var(--radius-sm);font-size:1.5rem;font-weight:700;text-align:center;outline:none;transition:border-color .2s;background:var(--bg);font-family:inherit;color:var(--text)}
  .quiz-input:focus{border-color:var(--accent)}
  .quiz-input:disabled{opacity:.5}
  .btn-submit{height:52px;padding:0 20px;border:none;border-radius:var(--radius-sm);background:var(--accent);color:#fff;font-size:1rem;font-weight:700;cursor:pointer;transition:background .2s,transform .15s;font-family:inherit;white-space:nowrap;flex-shrink:0}
  .btn-submit:hover{background:var(--accent-hover)}
  .btn-submit:active{transform:scale(.95)}
  .btn-submit:disabled{opacity:.4;cursor:default;transform:none}
  .quiz-feedback{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:var(--radius);opacity:0;pointer-events:none;transition:opacity .3s}
  .quiz-feedback.show{opacity:1;pointer-events:auto}
  .quiz-feedback.correct{background:rgba(76,175,80,.12)}
  .quiz-feedback.wrong{background:rgba(239,83,80,.12)}
  .feedback-icon{font-size:3rem;margin-bottom:8px}
  .feedback-text{font-size:1.15rem;font-weight:700}
  .feedback-answer{font-size:.95rem;color:var(--text-light);margin-top:4px}

  .result-wrap{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:80vh;padding:20px 0}
  .result-card{background:var(--card);border-radius:var(--radius);padding:40px 32px;box-shadow:var(--shadow-lg);text-align:center;max-width:440px;width:100%;border:2px solid var(--border)}
  .score-ring-wrap{position:relative;width:140px;height:140px;margin:0 auto 20px}
  .score-ring{width:100%;height:100%;transform:rotate(-90deg)}
  .score-ring-bg{fill:none;stroke:#F0ECE4;stroke-width:10}
  .score-ring-fg{fill:none;stroke-width:10;stroke-linecap:round;transition:stroke-dashoffset 1.2s}
  .score-number{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
  .score-pct{font-size:2.2rem;font-weight:900;line-height:1}
  .score-label{font-size:.78rem;color:var(--text-light);margin-top:2px}
  .result-detail{font-size:.95rem;color:var(--text-light);margin-bottom:8px}
  .star-progress-bar{display:flex;gap:8px;justify-content:center;margin-bottom:16px}
  .star-slot{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.1rem;transition:transform .3s,background .3s}
  .star-slot.earned{background:#FFF8E1;color:#FFB300;transform:scale(1.1)}
  .star-slot.empty{background:#F5F0E8;color:#D0C8B8}
  .result-hint{font-size:.82rem;color:var(--text-light);margin-bottom:4px;padding:6px 12px;background:var(--bg-alt);border-radius:8px;display:inline-block}
  .result-msg{font-size:1.1rem;font-weight:700;margin:16px 0 24px;line-height:1.4}
  .result-btns{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
  .btn{height:48px;padding:0 24px;border:none;border-radius:var(--radius-sm);font-size:.95rem;font-weight:700;cursor:pointer;transition:background .2s,transform .15s;font-family:inherit}
  .btn:active{transform:scale(.96)}
  .btn-primary{background:var(--accent);color:#fff}
  .btn-primary:hover{background:var(--accent-hover)}
  .btn-secondary{background:var(--bg-alt);color:var(--text);border:2px solid var(--border)}
  .btn-secondary:hover{background:#F0ECE4}

  .overlay{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.45);opacity:0;pointer-events:none;transition:opacity .4s;padding:20px}
  .overlay.show{opacity:1;pointer-events:auto}
  .celeb-card{background:var(--card);border-radius:20px;padding:40px 32px;text-align:center;max-width:380px;width:100%;box-shadow:var(--shadow-lg);transform:scale(.8);transition:transform .4s}
  .overlay.show .celeb-card{transform:scale(1)}
  .celeb-trophy{width:80px;height:80px;margin:0 auto 16px;border-radius:50%;display:flex;align-items:center;justify-content:center}
  .celeb-title{font-size:1.5rem;font-weight:900;margin-bottom:8px}
  .celeb-desc{font-size:1rem;color:var(--text-light);margin-bottom:24px;line-height:1.5}

  #confetti{position:fixed;inset:0;pointer-events:none;z-index:200;overflow:hidden}
  .confetti-p{position:absolute;top:-20px;border-radius:3px;animation:cfall linear forwards}
  @keyframes cfall{0%{transform:translateY(0) rotate(0) scale(1);opacity:1}80%{opacity:1}100%{transform:translateY(105vh) rotate(900deg) scale(.5);opacity:0}}

  .home-footer{text-align:center;padding:32px 0 20px}
  .btn-about{display:inline-flex;align-items:center;gap:5px;background:none;border:none;color:var(--text-light);font-size:.8rem;cursor:pointer;font-family:inherit;transition:color .2s;margin-bottom:8px;padding:4px 10px;border-radius:6px}
  .btn-about:hover{color:var(--accent);background:var(--bg-alt)}
  .btn-reset{background:none;border:none;color:var(--text-light);font-size:.8rem;cursor:pointer;text-decoration:underline;font-family:inherit;transition:color .2s}
  .btn-reset:hover{color:var(--danger)}
  .reset-confirm{display:inline-flex;align-items:center;gap:8px;margin-top:8px;font-size:.82rem;color:var(--danger)}
  .reset-confirm button{background:var(--danger);color:#fff;border:none;padding:4px 14px;border-radius:6px;cursor:pointer;font-size:.8rem;font-weight:600;font-family:inherit}
  .reset-confirm .btn-cancel{background:none;color:var(--text-light);text-decoration:underline;padding:0}
  @keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-8px)}40%{transform:translateX(8px)}60%{transform:translateX(-5px)}80%{transform:translateX(5px)}}
  .anim-shake{animation:shake .4s ease}
  @keyframes pop{0%{transform:scale(.5);opacity:0}60%{transform:scale(1.15)}100%{transform:scale(1);opacity:1}}
  .anim-pop{animation:pop .4s ease both}

  @media(max-width:520px){
    .home-title{font-size:2rem}
    .cat-grid{grid-template-columns:1fr 1fr;gap:10px}
    .cat-card{padding:16px 14px}
    .cat-icon{width:44px;height:44px;font-size:1.3rem;border-radius:11px}
    .cat-name{font-size:.92rem}
    .quiz-question{font-size:1.6rem;}
    .quiz-card{padding:18px 14px;min-height:auto;gap:18px;}
    .emoji-group{font-size:1.3rem; max-width:42%;}
    .emoji-op{font-size:1.5rem;}
    .level-grid{grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:10px}
    .level-circle{width:52px;height:52px;font-size:1.05rem}
    .result-card{padding:28px 20px}
    .score-ring-wrap{width:120px;height:120px}
    .score-pct{font-size:1.8rem}
    .quiz-input-wrap{max-width:100%;flex-direction:column;gap:8px;}
    .quiz-input{width:100%;height:54px;font-size:1.4rem;}
    .btn-submit{width:100%;height:50px;font-size:1rem;padding:0;}
  }
  @media(max-width:360px){
    .cat-grid{grid-template-columns:1fr}
    .emoji-group{font-size:1.1rem;}
    .quiz-question{font-size:1.4rem;}
    .quiz-card{padding:14px 10px;gap:14px;}
    .quiz-input{height:48px;font-size:1.3rem;}
    .btn-submit{height:46px;font-size:.95rem;}
  }
  @media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

  /* User switch button (header) */
  .btn-user-switch{display:inline-flex;align-items:center;gap:7px;margin-top:10px;padding:8px 14px;background:linear-gradient(135deg,#FFF3E0,#FFE0B2);color:#E65100;border:2px solid #FFB74D;border-radius:22px;font-size:.82rem;font-weight:700;cursor:pointer;font-family:inherit;transition:all .2s;box-shadow:0 2px 8px rgba(255,152,0,.15)}
  .btn-user-switch:hover{background:linear-gradient(135deg,#FFE0B2,#FFCC80);color:#BF360C;transform:translateY(-1px);box-shadow:0 4px 12px rgba(255,152,0,.3);border-color:#FF9800}
  .btn-user-switch:active{transform:scale(.97)}
  .btn-user-switch svg{width:16px;height:16px;flex-shrink:0}
  .btn-user-switch span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:130px;font-weight:700}
  .btn-user-switch .user-count-badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;background:#FF7043;color:#fff;border-radius:9px;font-size:.7rem;font-weight:800;margin-left:2px}

  /* Header logo & Pasang Aplikasi button */
  .home-logo{display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,#FF7043,#EC407A,#AB47BC);box-shadow:0 4px 14px rgba(255,112,67,.3);margin-bottom:10px}
  .home-logo svg{width:34px;height:34px;display:block}

  /* Language toggle button - floating top-right (next to sound) */
  .lang-toggle{position:fixed;top:14px;right:64px;z-index:350;height:42px;padding:0 14px;border-radius:21px;border:2px solid var(--border);background:var(--card);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px rgba(0,0,0,.08);transition:all .2s;font-family:inherit;font-weight:700;font-size:.8rem;color:var(--text)}
  .lang-toggle:hover{transform:scale(1.05);border-color:var(--accent);box-shadow:0 4px 14px rgba(255,112,67,.2)}
  .lang-toggle:active{transform:scale(.96)}
  .lang-flag{letter-spacing:.5px}

  /* Story level node styling - same color as regular levels */
  .level-node.story-level .level-circle{display:flex;align-items:center;justify-content:center}

  /* Request access link (login screen) - inline teks kecil */
  .access-request-link{display:inline-flex;align-items:center;gap:4px;margin-bottom:18px;padding:2px 4px;color:var(--accent);font-size:.82rem;font-weight:600;text-decoration:none;cursor:pointer;transition:color .2s;font-family:inherit;border-bottom:1px solid transparent}
  .access-request-link:hover{color:var(--accent-hover);border-bottom-color:currentColor}
  .access-request-link:active{opacity:.7}
  .access-request-link svg{width:11px;height:11px;flex-shrink:0;opacity:.7}

  /* Sound toggle button - floating top-right */
  .sound-toggle{position:fixed;top:14px;right:14px;z-index:350;width:42px;height:42px;border-radius:50%;border:2px solid var(--border);background:var(--card);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px rgba(0,0,0,.08);transition:all .2s;font-family:inherit;padding:0}
  .sound-toggle:hover{transform:scale(1.08);border-color:var(--accent);box-shadow:0 4px 14px rgba(255,112,67,.2)}
  .sound-toggle:active{transform:scale(.95)}
  .sound-toggle svg{width:20px;height:20px;color:var(--text);transition:color .2s}
  .sound-toggle.muted svg{color:var(--text-light)}
  .sound-toggle .sound-off-line{display:none}
  .sound-toggle.muted .sound-on-icon{display:none}
  .sound-toggle.muted .sound-off-line{display:block}
  .sound-pulse{position:absolute;inset:-4px;border-radius:50%;border:2px solid var(--accent);opacity:0;pointer-events:none}
  .sound-toggle.playing .sound-pulse{animation:sndpulse .6s ease-out}
  @keyframes sndpulse{0%{opacity:.8;transform:scale(1)}100%{opacity:0;transform:scale(1.6)}}

  .btn-install{display:inline-flex;align-items:center;gap:7px;margin-top:14px;padding:8px 18px;background:#fff;color:var(--accent);border:2px solid var(--accent);border-radius:24px;font-size:.82rem;font-weight:700;cursor:pointer;font-family:inherit;transition:all .2s;box-shadow:0 2px 8px rgba(255,112,67,.12)}
  .btn-install:hover{background:var(--accent);color:#fff;transform:translateY(-1px);box-shadow:0 4px 12px rgba(255,112,67,.25)}
  .btn-install:active{transform:scale(.97)}
  .btn-install svg{width:15px;height:15px;flex-shrink:0}
  /* Indikator tombol siap install native (badge dot berkedip) */
  .btn-install.install-ready{position:relative;animation:instglow 2s ease-in-out infinite}
  .btn-install.install-ready::after{content:'';position:absolute;top:-3px;right:-3px;width:10px;height:10px;border-radius:50%;background:#4CAF50;border:2px solid #fff;animation:instblink 1.4s ease-in-out infinite}
  @keyframes instglow{0%,100%{box-shadow:0 2px 8px rgba(255,112,67,.12)}50%{box-shadow:0 4px 16px rgba(76,175,80,.35)}}
  @keyframes instblink{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.2)}}

  /* Install guide modal */
  .install-modal{position:fixed;inset:0;z-index:250;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.5);opacity:0;pointer-events:none;transition:opacity .3s;padding:16px}
  .install-modal.show{opacity:1;pointer-events:auto}
  .install-card{background:#fff;border-radius:20px;padding:24px 20px;max-width:460px;width:100%;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-lg);transform:scale(.9);transition:transform .3s}
  .install-modal.show .install-card{transform:scale(1)}
  .install-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:12px}
  .install-title{font-size:1.1rem;font-weight:800;color:var(--text);display:flex;align-items:center;gap:10px;flex:1;line-height:1.3}
  .install-title svg{width:22px;height:22px;color:var(--accent);flex-shrink:0}
  .install-close{width:34px;height:34px;border-radius:50%;border:none;background:var(--bg-alt);cursor:pointer;font-size:1.4rem;color:var(--text-light);display:flex;align-items:center;justify-content:center;transition:background .2s;line-height:1;flex-shrink:0}
  .install-close:hover{background:#E0DCD4;color:var(--text)}
  .install-intro{font-size:.85rem;color:var(--text-light);line-height:1.5;margin-bottom:14px;padding:10px 14px;background:var(--bg-alt);border-radius:10px}
  .install-tabs{display:flex;gap:4px;background:var(--bg-alt);padding:4px;border-radius:10px;margin-bottom:16px}
  .install-tab{flex:1;padding:8px 6px;border:none;background:transparent;border-radius:8px;font-size:.78rem;font-weight:600;color:var(--text-light);cursor:pointer;transition:all .2s;font-family:inherit}
  .install-tab.active{background:#fff;color:var(--accent);box-shadow:0 1px 4px rgba(0,0,0,.08)}
  .install-content{display:none;font-size:.88rem;line-height:1.6;color:var(--text)}
  .install-content.active{display:block;animation:sIn .3s ease both}
  .install-step{display:flex;gap:12px;margin-bottom:12px;align-items:flex-start}
  .step-num{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,#FF7043,#EC407A);color:#fff;font-size:.78rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:1px}
  .step-text{flex:1;line-height:1.55}
  .step-text strong{color:var(--text);font-weight:700}
  .step-text .step-hint{display:inline-block;background:#FFF3E0;color:#E65100;padding:1px 8px;border-radius:6px;font-size:.78rem;font-weight:600;margin:0 2px}
  .install-note{margin-top:14px;padding:10px 14px;background:#E8F5E9;border-radius:10px;font-size:.82rem;color:#2E7D32;line-height:1.5;display:flex;gap:8px;align-items:flex-start}
  .install-note svg{width:16px;height:16px;flex-shrink:0;margin-top:2px}