/* ==================== 鲲图AI - 主样式表 v6.3.8-HOTFIX-27-8 ==================== */

/* ===== CSS Reset ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img,picture,video,canvas,svg{display:block;max-width:100%}
input,button,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}
button:disabled{cursor:not-allowed;opacity:0.5}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{overflow-wrap:break-word}
p{overflow-wrap:break-word}
textarea{resize:vertical}

/* ===== Z-Index 层级体系 =====
 * z-10:   位置固定元素（top-bar, bgPanel 等）
 * z-100:  步骤图片区域覆盖层（zoom-controls, zoom-percent）
 * z-200:  弹窗遮罩（recharge, vr, import, share 等）
 * z-1000: 模态弹窗（rechargeModal 等）
 * z-2000: VR全屏弹窗
 * z-3000: 图片预览全屏
 * z-5000: 全局loading遮罩
 * z-9999: Toast提示
 */
:root{
  --z-fixed:10;
  --z-overlay:100;
  --z-modal-backdrop:200;
  --z-modal:1000;
  --z-vr:2000;
  --z-preview:3000;
  --z-loading:5000;
  --z-toast:9999;

  --bg-primary:#ffffff;
  --bg-card:#ffffff;
  --bg-panel:#f8f9fa;
  --text-primary:#000000;
  --text-secondary:#333333;
  --text-muted:#666666;
  --accent:linear-gradient(135deg,#333333,#000000);
  --accent-solid:#000000;
  --accent-text:#ffffff;
  --success:#10b981;
  --success-text:#ffffff;
  --border:#e0e0e0;
  --btn-bg:#000000;
  --btn-text:#ffffff;
  --input-bg:#f8f9fa;
  --input-border:#e4e6eb;
}

/* bg-主题切换 */
body.bg-lightgray{
  --bg-primary:#f0f0f0;
  --bg-card:#f8f8f8;
  --bg-panel:#e8e8e8;
  --text-primary:#000000;
  --text-secondary:#333333;
  --text-muted:#666666;
  --border:#d0d0d0;
  --input-bg:#ffffff;
  --input-border:#d0d0d0;
}
body.bg-dark{
  --bg-primary:#1a1a1a;
  --bg-card:#2a2a2a;
  --bg-panel:#222222;
  --text-primary:#ffffff;
  --text-secondary:#cccccc;
  --text-muted:#999999;
  --accent:linear-gradient(135deg,#555555,#333333);
  --accent-solid:#ffffff;
  --accent-text:#000000;
  --success:#10b981;
  --success-text:#ffffff;
  --border:#444444;
  --btn-bg:#ffffff;
  --btn-text:#000000;
  --input-bg:#333333;
  --input-border:#555555;
}
body{
  font-family:-apple-system,'Microsoft YaHei','PingFang SC',sans-serif;
  background:var(--bg-primary);
  color:var(--text-primary);
}
h1,h2,h3,h4,h5,h6,p,span,div,label,button,a,th,td,li,option,textarea,input{color:var(--text-primary)}

/* ===== 首页 ===== */
.home-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:40px 20px}
.home-screen.hidden{display:none}
.logo-area{text-align:center;margin-bottom:40px}
.logo-area h1{font-size:48px;font-weight:normal;margin-bottom:6px}
.logo-area .subtitle{font-size:21px;margin-bottom:5px;font-weight:normal;letter-spacing:0.8px}
.logo-area .slogan{color:var(--text-muted);font-size:18px;font-weight:normal;letter-spacing:1.2px}

.brand-intro{text-align:center;max-width:900px;margin:0 auto 50px;padding:0 20px}
.brand-intro .tagline{font-size:15px;color:#666;line-height:1.9;margin-bottom:20px;font-weight:normal;letter-spacing:0.5px}
.brand-intro .highlights{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:24px}
.brand-intro .highlight-item{display:flex;align-items:center;gap:8px;padding:8px 16px;background:#fff;border-radius:20px;font-size:14px;color:#555;box-shadow:0 2px 8px rgba(0,0,0,0.05);border:1px solid #eee}

.core-powers{width:100%;max-width:1100px;margin:0 auto 50px;padding:0 20px}
.core-powers h2{text-align:center;font-size:26px;font-weight:normal;margin-bottom:30px}
.core-powers h2 span{display:block;font-size:15px;font-weight:normal;color:#999;margin-top:8px}
.powers-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.power-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:28px 22px;text-align:center;transition:all 0.3s;position:relative;overflow:hidden;cursor:pointer}
.power-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--accent);transform:scaleX(0);transition:transform 0.3s}
.power-card:hover{transform:translateY(-8px);box-shadow:0 20px 50px rgba(0,0,0,0.15);border-color:var(--accent-solid)}
.power-card:hover::before{transform:scaleX(1)}
.power-card:active{transform:translateY(-4px) scale(0.98);transition:all 0.1s}
.power-card .num{font-size:42px;font-weight:normal;margin-bottom:12px}
.power-card h3{font-size:17px;font-weight:normal;margin-bottom:10px}
.power-card p{font-size:13px;color:#666;line-height:1.7}

.brand-footer{text-align:center;padding:30px 20px;max-width:800px;margin:0 auto}
.brand-footer .badges{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;margin-bottom:16px}
.brand-footer .badge{padding:8px 20px;background:var(--bg-panel);border-radius:20px;font-size:13px;border:1px solid var(--border)}
.brand-footer .slogan{font-size:18px;font-weight:normal;margin-bottom:12px;letter-spacing:0.5px}
.brand-footer .bottom-tag{font-size:14px;color:#999;margin-top:8px}

.entrance-grid{display:grid;grid-template-columns:repeat(4,220px);gap:16px;max-width:940px}
.entrance-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:28px 20px;text-align:center;cursor:pointer;transition:all 0.3s;position:relative;overflow:hidden}
.entrance-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(102,126,234,0.15);border-color:var(--accent-solid)}
.entrance-card:active{transform:translateY(-3px) scale(0.98);transition:all 0.1s}
.entrance-card .icon{font-size:44px;margin-bottom:12px}
.entrance-card h3{font-size:17px;font-weight:normal;margin-bottom:6px}
.entrance-card p{font-size:16px;color:var(--text-secondary);line-height:1.5}

/* ===== 工作台 ===== */
.workspace{display:none;min-height:100vh}
.workspace.active{display:block}
.top-bar{background:var(--bg-card);border-bottom:1px solid var(--border);padding:12px 20px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10;box-shadow:0 2px 8px rgba(0,0,0,0.04);gap:12px;flex-wrap:wrap}
.top-bar .back-btn{background:transparent;border:2px solid var(--accent-solid);padding:8px 16px;border-radius:8px;cursor:pointer;font-size:14px;font-weight:bold;transition:all 0.2s}
.top-bar .back-btn:hover{background:var(--accent-solid);color:var(--accent-text)}
.top-bar h2{font-size:16px;font-weight:bold;flex:1}
.top-bar .user-area{display:flex;align-items:center;gap:10px;flex-shrink:0}
.top-bar .credits{background:transparent;border:2px solid #ffc107;color:#856404;padding:6px 14px;border-radius:20px;font-size:14px;font-weight:bold;transition:all 0.2s}
.top-bar .credits:hover{background:#ffc107;color:#000}
.top-bar .user-btn{background:transparent;border:2px solid var(--accent-solid);color:var(--text-primary);padding:8px 16px;border-radius:8px;cursor:pointer;font-size:14px;font-weight:bold;transition:all 0.2s}
.top-bar .user-btn:hover{background:var(--accent-solid);color:var(--accent-text);opacity:1}
.top-bar .secondary{background:transparent;border:2px solid var(--accent-solid);color:var(--text-primary);font-weight:bold}
.top-bar .secondary:hover{background:var(--accent-solid);color:var(--accent-text)}
.top-bar .hidden{display:none}
.step-indicator{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.step-indicator .step-label{font-size:12px;font-weight:normal;padding:4px 10px;border-radius:20px;background:var(--bg-panel);color:var(--text-muted);transition:all 0.3s;border:1px solid transparent;white-space:nowrap}
.step-indicator .step-label.active{background:var(--bg-primary);border-color:var(--accent-solid)}
.step-indicator .step-label.done{background:rgba(16,185,129,0.15);border-color:var(--success)}
.main-layout{display:flex;min-height:calc(100vh - 56px)}

/* ===== 左侧面板 ===== */
.left-panel{position:relative;width:300px;min-width:300px;background:var(--bg-panel);border-right:1px solid var(--border);padding:16px;overflow-y:auto;display:flex;flex-direction:column;gap:12px;transition:all 0.3s}
.left-panel.collapsed{width:0;min-width:0;padding:0;overflow:hidden}
.left-panel .collapse-btn{position:absolute;right:-12px;top:50%;transform:translateY(-50%);width:24px;height:48px;background:var(--bg-card);border:1px solid var(--border);border-radius:0 8px 8px 0;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:10}
.left-panel .collapse-btn:hover{background:var(--accent-solid)}
.left-panel .collapse-btn:hover svg{stroke:var(--accent-solid)}
.panel-section{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:14px}
.panel-section h4{font-size:13px;font-weight:normal;margin-bottom:10px;display:flex;align-items:center;gap:6px}
.upload-zone{border:2px dashed var(--border);border-radius:10px;padding:20px;text-align:center;cursor:pointer;transition:all 0.2s;position:relative;background:var(--bg-panel)}
.upload-zone:hover{border-color:var(--accent-solid);background:var(--bg-card)}
.upload-zone input{position:absolute;inset:0;opacity:0;cursor:pointer}
.upload-zone .icon{font-size:32px;margin-bottom:6px}
.upload-zone p{font-size:14px;color:var(--text-muted)}
.upload-zone.drag-over{border-color:var(--accent-solid);background:var(--bg-card);transform:scale(1.02)}
#uploadPreview{display:none;margin-top:10px;text-align:center}
#uploadPreview img{max-width:100%;border-radius:8px;max-height:120px}
.style-tags{display:flex;flex-wrap:wrap;gap:6px}
.style-tag{padding:5px 10px;border-radius:20px;font-size:12px;cursor:pointer;transition:all 0.2s;background:var(--bg-panel);border:1px solid var(--border);white-space:nowrap}
.style-tag:hover{background:var(--bg-card);border-color:var(--accent-solid)}
.style-tag.active{background:var(--accent-solid);border-color:var(--accent-solid);color:var(--accent-text)!important}
textarea{width:100%;background:var(--input-bg);border:1px solid var(--input-border);border-radius:8px;padding:10px;font-size:14px;outline:none;font-family:inherit;line-height:1.5}
textarea:focus{border-color:var(--accent-solid)}
.emotion-input{background:rgba(255,182,193,0.2);border-color:#ffd9e0}
.emotion-input::placeholder{color:rgba(200,150,180,0.8)}
.save-section{display:flex;flex-direction:column;gap:8px}
.save-btn{padding:12px;border-radius:10px;font-size:14px;font-weight:bold;cursor:pointer;transition:all 0.2s;text-align:center;background:transparent;border:2px solid var(--accent-solid);color:var(--text-primary);box-shadow:none}
.save-btn:hover{transform:translateY(-2px);background:var(--accent-solid);color:var(--accent-text);box-shadow:0 6px 20px rgba(0,0,0,0.25)}
.save-btn.secondary{background:transparent;border:2px solid var(--accent-solid);color:var(--text-primary)}
.save-btn.secondary:hover{background:var(--accent-solid);color:var(--accent-text)}

/* ===== 右侧工作区 ===== */
.right-workspace{flex:1;padding:20px;overflow-y:auto;min-width:0}
.step-card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:18px;margin-bottom:16px;transition:all 0.3s}
.step-card.active{border-color:var(--accent-solid);box-shadow:0 4px 16px rgba(0,0,0,0.1)}
.step-card.done{border-color:var(--success)}
.step-header{display:flex;align-items:center;margin-bottom:12px;cursor:pointer;padding:4px;border-radius:8px;transition:background 0.2s}
.step-header:hover{background:var(--bg-panel)}
.step-num{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:normal;font-size:13px;background:var(--bg-panel);flex-shrink:0}
.step-card.active .step-num{background:var(--accent-solid);color:var(--accent-text)}
.step-card.done .step-num{background:var(--success);color:var(--success-text)}
.step-header h3{flex:1;margin-left:10px;font-size:14px;font-weight:normal}
.step-status{font-size:13px;color:var(--text-muted);margin-left:auto}

/* ===== 图片区域 ===== */
.step-image-area{
  width:100%;
  min-height:220px;
  background:var(--bg-panel);
  border-radius:10px;
  margin-bottom:12px;
  overflow:hidden;
  position:relative;
  cursor:grab;
  display:flex;
  align-items:center;
  justify-content:center;
  touch-action:manipulation;
}
.step-image-area:active{cursor:grabbing}
.step-image-area img{
  max-width:100%;
  max-height:100%;
  border-radius:8px;
  transition:transform 0.05s ease-out;
  user-select:none;
  -webkit-user-drag:none;
  pointer-events:none;
}
.step-image-area .img-wrapper{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  width:100%;
  height:100%;
}
.step-image-area .img-wrapper img{
  max-width:100%;
  max-height:100%;
  object-fit:contain;
}
.zoom-controls{position:absolute;bottom:8px;right:8px;display:flex;gap:4px;z-index:100;opacity:0.8;transition:opacity 0.2s}
.step-image-area:hover .zoom-controls{opacity:1}
.zoom-controls button{width:28px;height:28px;border-radius:6px;border:1px solid var(--border);background:var(--bg-card);font-size:14px;font-weight:bold;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(0,0,0,0.15);transition:all 0.2s}
.zoom-controls button:hover{transform:scale(1.1);background:var(--accent-solid);border-color:var(--accent-solid);color:var(--accent-text)}
.zoom-controls .zoom-reset{font-size:11px;padding:0 6px;width:auto}
.zoom-percent{
  position:absolute;bottom:8px;left:8px;
  background:rgba(0,0,0,0.7);color:#fff;
  padding:4px 8px;border-radius:4px;
  font-size:11px;z-index:100;opacity:0;
  transition:opacity 0.2s;
}
.step-image-area:hover .zoom-percent{opacity:1}
.placeholder{color:var(--text-muted);font-size:14px;text-align:center;padding:30px}
.loading-anim{display:none;flex-direction:column;align-items:center;gap:12px;padding:30px}
.step-card.loading .loading-anim{display:flex}
.step-card.loading .placeholder{display:none}
.spinner{width:36px;height:36px;border:3px solid var(--border);border-top:3px solid var(--accent-solid);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== 提示词和按钮 ===== */
.prompt-area{margin-bottom:10px}
.prompt-area label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:6px}
.prompt-row{display:flex;gap:8px}
.prompt-row input{flex:1;background:var(--input-bg);border:1px solid var(--input-border);border-radius:8px;padding:9px 12px;font-size:14px;outline:none}
.prompt-row input:focus{border-color:var(--accent-solid)}
.btn-apply{padding:9px 14px;border-radius:8px;font-size:13px;cursor:pointer;background:transparent;border:2px solid var(--accent-solid);color:var(--text-primary);white-space:nowrap;transition:all 0.2s}
.btn-apply:hover{background:var(--accent-solid);color:var(--accent-text)}
.action-bar{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px}
.btn{padding:7px 12px;border-radius:7px;font-size:13px;cursor:pointer;transition:all 0.2s;display:flex;align-items:center;gap:4px;background:transparent;border:1px solid var(--border);color:var(--text-primary)}
.btn:hover{background:var(--accent-solid);border-color:var(--accent-solid);color:var(--accent-text)}
.btn:disabled{opacity:0.4;cursor:not-allowed;transform:none}
.btn-vr{padding:7px 12px;border-radius:7px;font-size:13px;cursor:pointer;transition:all 0.2s;display:flex;align-items:center;gap:4px;background:linear-gradient(135deg,#667eea,#764ba2);border:none;color:#fff}
.btn-vr:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(102,126,234,0.4)}
.btn-vr:disabled{opacity:0.4;cursor:not-allowed;transform:none}
.btn-gen{padding:10px 20px;border-radius:10px;font-size:14px;font-weight:bold;cursor:pointer;background:transparent;border:2px solid var(--accent-solid);color:var(--text-primary);box-shadow:none;transition:all 0.2s}
.btn-gen:hover{transform:translateY(-2px);background:var(--accent-solid);color:var(--accent-text);box-shadow:0 6px 20px rgba(0,0,0,0.25)}
.btn-gen:disabled{opacity:0.4;cursor:not-allowed;transform:none}

/* ===== 完成区域 ===== */
.complete-section{display:none;margin-top:24px}
.complete-section.active{display:block}
.complete-card{background:linear-gradient(135deg,var(--bg-card),var(--bg-panel));border:2px solid var(--border);border-radius:16px;padding:32px;text-align:center}
.complete-section h2{font-size:22px;margin-bottom:8px;font-weight:normal}
.complete-section p{color:var(--text-muted);margin-bottom:20px}
.complete-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

/* ===== Toast 提示 ===== */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(100px);background:var(--text-primary);color:var(--bg-primary);border-radius:10px;padding:14px 28px;font-size:14px;z-index:9999;transition:transform 0.3s;box-shadow:0 8px 24px rgba(0,0,0,0.3);max-width:90vw;white-space:nowrap}
.toast.show{transform:translateX(-50%) translateY(0)}
.toast.success{background:var(--success)}
.toast.error{background:#ef4444}
.toast.warning{background:#f59e0b}

/* ===== 空间库网格 ===== */
.zone-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
.zone-item{background:var(--bg-panel);border:1px solid var(--border);border-radius:8px;padding:6px 10px;font-size:12px;text-align:center;transition:all 0.3s ease;cursor:default}
.zone-item.done{background:rgba(16,185,129,0.1);border-color:var(--success);color:var(--success)}
/* v6.3.6-HOTFIX: zone selected style - fixed purple gradient, no var() */
.zone-item.selected,
#zoneGrid .zone-item.selected,
.zone-grid .zone-item.selected{
  background:linear-gradient(135deg,#667eea,#764ba2)!important;
  border-color:#667eea!important;
  color:#fff!important;
  font-weight:bold!important;
  box-shadow:0 4px 12px rgba(102,126,234,0.3)!important;
  transform:translateY(-1px)!important;
  cursor:pointer!important
}
.zone-item.selected.done,
#zoneGrid .zone-item.selected.done{
  background:linear-gradient(135deg,#667eea,#764ba2)!important;
  border-color:#667eea!important;
  color:#fff!important
}
.zone-item:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.1)}

/* ===== 积分/VR/保存区 ===== */
.credits-display{display:flex;align-items:center;gap:8px}
.credits-display .num{background:var(--accent-solid);color:var(--bg-primary);padding:4px 12px;border-radius:20px;font-size:13px;font-weight:bold}
.credits-display .recharge{background:#fff3cd;color:#856404;padding:4px 12px;border-radius:20px;font-size:12px;border:2px solid #ffc107;cursor:pointer;font-weight:bold}
.btn-vr-top{padding:8px 16px;border-radius:20px;background:linear-gradient(135deg,#667eea,#764ba2);border:none;color:#fff;font-size:13px;font-weight:bold;cursor:pointer;transition:all 0.3s;box-shadow:0 4px 15px rgba(102,126,234,0.3)}
.btn-vr-top:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(102,126,234,0.4)}
.btn-vr-top:active{transform:translateY(0)}
.panel-section.vr-section{background:linear-gradient(135deg,#f8f7ff,#f0f0ff);border:2px solid #667eea;border-radius:12px}
.vr-demo-btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:16px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:12px;font-weight:bold;cursor:pointer;transition:all 0.3s;box-shadow:0 4px 15px rgba(102,126,234,0.3)}
.vr-demo-btn:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 8px 25px rgba(102,126,234,0.4)}
.vr-demo-btn:active{transform:scale(0.98)}
.vr-hint{margin-top:8px;font-size:11px;color:var(--text-muted);text-align:center}
.step-save-area{margin-top:12px;padding:12px;background:var(--bg-panel);border-radius:10px;border:1px dashed var(--border)}
.step-save-area h5{font-size:12px;font-weight:normal;color:var(--text-muted);margin-bottom:8px;display:flex;align-items:center;gap:4px}
.step-save-area .save-row{display:flex;gap:6px;flex-wrap:wrap}
.step-save-area .mini-btn{padding:6px 12px;border-radius:6px;font-size:12px;cursor:pointer;transition:all 0.2s;background:var(--bg-card);border:1px solid var(--border);color:var(--text-primary)}
.step-save-area .mini-btn:hover{background:var(--accent-solid);color:var(--accent-text);border-color:var(--accent-solid)}
.step-save-area .mini-btn.primary{background:var(--accent-solid);color:var(--accent-text);border-color:var(--accent-solid)}
.step-save-area .mini-btn.primary:hover{opacity:0.85}
.saved-list{margin-top:8px;max-height:80px;overflow-y:auto}
.saved-item{display:flex;align-items:center;justify-content:space-between;padding:6px 8px;background:var(--bg-card);border-radius:6px;margin-bottom:4px;font-size:11px}
.saved-item .name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.saved-item .actions{display:flex;gap:4px}
.saved-item button{padding:2px 6px;border-radius:4px;font-size:10px;cursor:pointer;border:1px solid var(--border);background:transparent}
.saved-item button:hover{background:var(--accent-solid);color:var(--accent-text)}

/* ===== bgPanel 层级 ===== */
#bgPanel{z-index:200!important}

/* ===== 弹窗通用 ===== */
#rechargeModal{z-index:1000}
#vrModal{z-index:2000}
#loadingOverlay{z-index:5000}

/* ===== 批量任务状态卡片动画 ===== */
.zone-status-card{transition:all 0.3s ease}
.zone-status-card:hover{transform:scale(1.05)}

/* ==================== 响应式 ==================== */
@media (max-width:768px){
  .main-layout{flex-direction:column}
  .left-panel{width:100%;min-width:100%;max-height:50vh;border-right:none;border-bottom:1px solid var(--border)}
  .left-panel.collapsed{height:0;max-height:0}
  .top-bar{padding:10px 12px;gap:6px}
  .top-bar h2{font-size:14px}
  .top-bar .user-area{gap:6px}
  .step-indicator .step-label{font-size:11px;padding:3px 8px}
  .powers-grid{grid-template-columns:repeat(2,1fr)}
  .entrance-grid{grid-template-columns:repeat(2,1fr);max-width:100%}
  .logo-area h1{font-size:36px}
  .brand-intro .highlights{gap:8px}
  .brand-intro .highlight-item{padding:6px 12px;font-size:13px}
  .zone-grid{grid-template-columns:repeat(2,1fr)}
  .right-workspace{padding:12px}
  .step-image-area{min-height:180px}
}

/* ===== 移动端触屏优化 ===== */
body.is-mobile .step-image-area{
  touch-action:pan-x pan-y pinch-zoom;
}
body.is-mobile .zoom-controls button{
  width:32px;height:32px;
}
body.is-mobile .btn-gen,
body.is-mobile .btn-vr,
body.is-mobile .save-btn{
  padding:12px 20px;
  min-height:44px;
}
body.is-mobile .step-save-area .mini-btn{
  min-height:36px;
  padding:8px 14px;
}

/* ===== 打印优化 ===== */
@media print{
  .top-bar,.left-panel,#loadingOverlay,#bgPanel,.toast{display:none!important}
  .right-workspace{padding:0}
  .step-card{break-inside:avoid;border:1px solid #ccc}
}

/* ==================== 商用级新增样式 v2.0.0 ==================== */

/* ===== Toast V2 ===== */
.toast-show{transform:translateX(-50%) translateY(0)!important}
.toast-success{background:var(--success)}
.toast-error{background:#ef4444}
.toast-warning{background:#f59e0b}
.toast-info{background:#3b82f6}

/* ===== 状态模板 ===== */
.empty-state,.error-state,.loading-state,.success-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:40px 20px;text-align:center;min-height:160px;
}
.empty-icon,.error-icon,.success-icon{font-size:48px;margin-bottom:12px}
.empty-text,.error-text,.loading-text,.success-text{
  font-size:14px;color:var(--text-muted);margin-bottom:12px
}
.retry-btn,.empty-action{
  padding:8px 20px;border-radius:8px;border:2px solid var(--accent-solid);
  background:transparent;color:var(--text-primary);cursor:pointer;
  font-size:14px;transition:all 0.2s
}
.retry-btn:hover,.empty-action:hover{
  background:var(--accent-solid);color:var(--accent-text)
}
.error-state .error-icon{color:#ef4444}
.success-state .success-icon{color:#10b981}

/* ===== Modal遮罩通用 ===== */
.modal-overlay{z-index:9999!important}

/* ===== 按钮禁用态增强 ===== */
.btn-gen:disabled,.btn-vr:disabled,.save-btn:disabled,.btn-apply:disabled{
  opacity:0.45;cursor:not-allowed;transform:none!important;
  box-shadow:none!important
}

/* ===== 主按钮最小触控区域（商用标准） ===== */
.btn-gen,.save-btn,.btn-vr,.btn-apply{
  min-height:44px;min-width:44px
}

/* ===== 左面板折叠动画优化 ===== */
.left-panel{
  transition:width 0.3s ease,min-width 0.3s ease,padding 0.3s ease,opacity 0.3s ease
}
.left-panel.collapsed{
  width:0!important;min-width:0!important;padding:0!important;
  overflow:hidden;opacity:0
}

/* ===== 弹窗响应式 ===== */
@media (max-width:768px){
  .recharge-option{padding:12px 8px!important;font-size:12px!important}
  .complete-actions{flex-direction:column;align-items:stretch}
  .complete-actions .save-btn{min-height:48px}
  /* 防止移动端横向滚动 */
  body{overflow-x:hidden}
  .workspace{overflow-x:hidden}
  .right-workspace{overflow-x:hidden}
  /* 弹窗适配 */
  #rechargeModal > div{padding:20px 16px!important;max-width:95vw!important}
}

/* ===== 模态层遮罩统一 ===== */
.modal-overlay,.modal-backdrop{
  position:fixed;inset:0;
  background:rgba(0,0,0,0.5);
  z-index:998;
  display:flex;align-items:center;justify-content:center
}

/* ===== 加载态视觉统一 ===== */
.loading-state .spinner{
  width:40px;height:40px;
  border:3px solid var(--border);
  border-top:3px solid var(--accent-solid);
  border-radius:50%;
  animation:spin 1s linear infinite;
  margin-bottom:12px
}

/* ===== 充值弹窗增强 ===== */
.recharge-option{
  transition:all 0.2s
}
.recharge-option:hover{
  transform:translateY(-2px);
  box-shadow:0 4px 12px rgba(0,0,0,0.1)
}
.recharge-option.selected{
  border-color:#f59e0b!important;
  background:var(--bg-card)!important;
  color:var(--text-primary)!important;
  box-shadow:0 0 0 2px #f59e0b40!important
}

/* ===== VR按钮降级态 ===== */
.btn-vr-top.degraded{
  background:linear-gradient(135deg,#999,#777)!important;
  cursor:not-allowed!important;
  opacity:0.5!important
}

/* ===== 步骤卡片折叠/展开 ===== */
.step-card .step-body{
  transition:max-height 0.4s ease,opacity 0.3s ease
}
.step-card.collapsed .step-body{
  max-height:0;overflow:hidden;opacity:0
}

/* ===== 安全提示区 ===== */
.safety-banner{
  background:linear-gradient(135deg,#fef3c7,#fde68a);
  border-bottom:2px solid #f59e0b;
  padding:8px 16px;
  text-align:center;
  font-size:13px;
  color:#92400e;
  display:flex;align-items:center;justify-content:center;gap:8px
}
.safety-banner .close-banner{
  background:none;border:none;font-size:16px;cursor:pointer;color:#92400e;
  padding:2px 6px
}

/* ===== 生成进度条 ===== */
.main-progress-bar{
  margin:0 20px 16px;padding:20px 24px;
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:14px;box-shadow:0 4px 16px rgba(0,0,0,0.06);
  animation:slideDown 0.3s ease
}
@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
.progress-container{max-width:700px;margin:0 auto}
.progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.progress-header h4{font-size:15px;font-weight:normal}
#progressPercent{font-size:18px;font-weight:bold;color:#667eea}
.progress-track{
  height:8px;background:var(--bg-panel);border-radius:4px;
  overflow:hidden;margin-bottom:12px
}
.progress-fill{
  height:100%;width:0;
  background:linear-gradient(90deg,#667eea,#764ba2);
  border-radius:4px;transition:width 0.3s ease
}
.progress-stages{
  display:flex;align-items:center;justify-content:center;
  gap:8px;margin-bottom:10px;flex-wrap:wrap
}
.progress-stage{
  font-size:12px;color:var(--text-muted);padding:3px 8px;
  border-radius:10px;transition:all 0.3s
}
.progress-stage.active{
  background:rgba(102,126,234,0.15);color:#667eea;font-weight:bold
}
.progress-stage.done{
  background:rgba(16,185,129,0.1);color:#10b981
}
.progress-stage.error{
  background:rgba(239,68,68,0.1);color:#ef4444
}
.progress-stage-divider{font-size:11px;color:var(--text-muted)}
.progress-status{
  text-align:center;font-size:13px;color:var(--text-muted);
  margin-bottom:10px;min-height:20px
}
.progress-actions{text-align:center}
.progress-cancel-btn{
  padding:6px 20px;border-radius:8px;border:1px solid #ef4444;
  background:#fef2f2;color:#ef4444;cursor:pointer;
  font-size:13px;transition:all 0.2s
}
.progress-cancel-btn:hover{background:#ef4444;color:#fff}
.progress-retry-btn{
  padding:6px 20px;border-radius:8px;border:none;
  background:linear-gradient(135deg,#667eea,#764ba2);
  color:#fff;cursor:pointer;font-size:13px;font-weight:bold;
  transition:all 0.2s
}
.progress-retry-btn:hover{transform:scale(1.05);box-shadow:0 4px 12px rgba(102,126,234,0.4)}

/* ===== 返回菜单 ===== */
.return-menu-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,0.5);
  z-index:10000;display:flex;align-items:center;justify-content:center;
  animation:fadeIn 0.2s ease
}
.return-menu-modal{
  background:var(--bg-card);border-radius:16px;padding:28px;
  width:90vw;max-width:480px;box-shadow:0 20px 60px rgba(0,0,0,0.25);
  animation:scaleIn 0.2s ease
}
@keyframes scaleIn{from{transform:scale(0.95);opacity:0}to{transform:scale(1);opacity:1}}
.return-menu-header{text-align:center;margin-bottom:20px}
.return-menu-header h2{font-size:20px;font-weight:normal;margin-bottom:6px}
.return-menu-header p{font-size:13px;color:var(--text-muted)}
.return-menu-options{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.return-option{
  display:flex;align-items:center;gap:16px;padding:16px;
  border-radius:12px;border:1px solid var(--border);
  background:var(--bg-card);cursor:pointer;text-align:left;
  transition:all 0.2s
}
.return-option:hover{background:var(--bg-panel);border-color:var(--accent-solid)}
.return-option.primary{border-color:#667eea;background:rgba(102,126,234,0.05)}
.return-option.primary:hover{background:rgba(102,126,234,0.1)}
.return-option .icon{font-size:28px;flex-shrink:0}
.return-option strong{display:block;font-size:14px;margin-bottom:2px;color:var(--text-primary)}
.return-option small{font-size:12px;color:var(--text-muted)}
.return-menu-footer{text-align:center}
.return-cancel{
  padding:10px 32px;border-radius:8px;border:1px solid var(--border);
  background:var(--bg-panel);cursor:pointer;font-size:14px;
  transition:all 0.2s
}
.return-cancel:hover{background:var(--accent-solid);color:var(--accent-text)}

/* ===== 项目列表 ===== */
.project-list-modal{max-width:560px}
.project-list-scroll{max-height:400px;overflow-y:auto;margin-bottom:16px}
.project-list-empty{
  text-align:center;padding:40px 20px;color:var(--text-muted)
}
.project-list-empty p{margin-top:8px}
.project-list-item{
  display:flex;align-items:center;gap:12px;padding:12px;
  border:1px solid var(--border);border-radius:10px;
  margin-bottom:8px;transition:all 0.2s
}
.project-list-item:hover{background:var(--bg-panel)}
.project-thumb{
  width:60px;height:45px;border-radius:6px;object-fit:cover;
  flex-shrink:0;border:1px solid var(--border)
}
.project-thumb-placeholder{
  width:60px;height:45px;border-radius:6px;
  background:var(--bg-panel);display:flex;align-items:center;
  justify-content:center;font-size:24px;flex-shrink:0
}
.project-list-info{flex:1;min-width:0}
.project-list-info h4{
  font-size:14px;font-weight:bold;margin-bottom:2px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis
}
.project-list-date{font-size:11px;color:var(--text-muted)}
.project-list-actions{display:flex;gap:6px;flex-shrink:0}
.project-action{
  padding:5px 12px;border-radius:6px;font-size:12px;
  border:1px solid var(--border);background:var(--bg-card);
  cursor:pointer;transition:all 0.2s;white-space:nowrap
}
.project-action:hover{background:var(--accent-solid);color:var(--accent-text)}
.project-action.delete:hover{background:#ef4444;border-color:#ef4444;color:#fff}
.project-action.load{color:#667eea;border-color:#667eea}
.project-action.load:hover{background:#667eea;color:#fff}

/* ===== 进度条响应式 ===== */
@media (max-width:768px){
  .main-progress-bar{margin:0 8px 12px;padding:14px 16px}
  .progress-stages{gap:4px}
  .progress-stage{font-size:10px;padding:2px 6px}
  .progress-stage-divider{font-size:9px}
  .return-menu-modal{padding:20px;max-width:95vw}
  .entrance-grid{grid-template-columns:repeat(2,1fr)}
}

/* ===== 响应式入口网格调整 ===== */
@media (max-width:940px){
  .entrance-grid{grid-template-columns:repeat(3,1fr);max-width:100%}
}
@media (max-width:600px){
  .entrance-grid{grid-template-columns:repeat(2,1fr)}
}

/* ==================== 商用级新增样式 v6.3.8 ==================== */

/* ===== UI专业化：全局打磨 ===== */

/* 统一焦点环 */
input:focus-visible, textarea:focus-visible, button:focus-visible{
  outline:2px solid #667eea;outline-offset:2px;
}

/* 输入框优化 */
input[type="text"], input[type="search"], textarea{
  transition:border-color 0.2s,box-shadow 0.2s;
}
input[type="text"]:hover, textarea:hover{
  border-color:#667eea;
}
input[type="text"]:focus, textarea:focus{
  border-color:#667eea;box-shadow:0 0 0 3px rgba(102,126,234,0.15);
}

/* 卡片悬浮微动 */
.step-card, .entrance-card, .power-card, .panel-section{
  transition:transform 0.25s ease,box-shadow 0.25s ease,border-color 0.25s ease;
}
.step-card:hover{
  box-shadow:0 4px 20px rgba(0,0,0,0.08);
}

/* 统一阴影层级 */
.shadow-sm{box-shadow:0 1px 3px rgba(0,0,0,0.06)}
.shadow-md{box-shadow:0 4px 12px rgba(0,0,0,0.08)}
.shadow-lg{box-shadow:0 12px 40px rgba(0,0,0,0.12)}

/* 按钮统一样式优化 */
  position:relative;overflow:hidden;
}
.btn-gen::after, .save-btn::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,transparent 40%,rgba(255,255,255,0.15) 50%,transparent 60%);
  background-size:200% 100%;
  transition:background-position 0.4s;
}
.btn-gen:hover::after, .save-btn:hover::after{
  background-position:100% 0;
}

/* 风格标签优化 */
.style-tag{
  font-weight:500;letter-spacing:0.3px;
}
.style-tag:active{
  transform:scale(0.95);
}

/* ===== 上传进度条 ===== */
.upload-progress-overlay{
  position:fixed;inset:0;z-index:5000;
  background:rgba(0,0,0,0.45);display:flex;
  align-items:center;justify-content:center;
  animation:fadeIn 0.2s;
}
.upload-progress-box{
  background:var(--bg-card);border-radius:16px;
  padding:32px 40px;text-align:center;
  min-width:320px;max-width:90vw;
  box-shadow:0 20px 60px rgba(0,0,0,0.2);
  animation:slideUp 0.3s ease;
}
.upload-progress-icon{font-size:48px;margin-bottom:12px}
.upload-progress-title{
  font-size:15px;font-weight:bold;margin-bottom:16px;
  color:var(--text-primary);
}
.upload-progress-track{
  width:100%;height:8px;background:var(--bg-panel);
  border-radius:10px;overflow:hidden;margin-bottom:10px;
}
.upload-progress-fill{
  height:100%;width:0;background:linear-gradient(90deg,#667eea,#764ba2);
  border-radius:10px;transition:width 0.3s ease;
}
.upload-progress-text{
  font-size:12px;color:var(--text-muted);
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

/* ===== 积分记录面板 ===== */
.credit-history-overlay{
  position:fixed;inset:0;z-index:10000;
  background:rgba(0,0,0,0.45);display:flex;
  align-items:center;justify-content:center;
  animation:fadeIn 0.2s;
}
.credit-history-box{
  background:var(--bg-card);border-radius:16px;
  padding:24px;max-width:520px;width:90%;
  max-height:80vh;display:flex;flex-direction:column;
  box-shadow:0 20px 60px rgba(0,0,0,0.2);
  animation:slideUp 0.3s ease;
}
.credit-summary{
  display:flex;gap:12px;margin-bottom:16px;flex-shrink:0;
}
.credit-stat{
  flex:1;padding:14px;border-radius:12px;
  text-align:center;border:1px solid var(--border);
}
.credit-stat .stat-val{
  font-size:28px;font-weight:bold;margin-bottom:4px;
}
.credit-stat .stat-label{
  font-size:11px;color:var(--text-muted);
}
.credit-stat.balance{background:rgba(102,126,234,0.06);border-color:rgba(102,126,234,0.2)}
.credit-stat.balance .stat-val{color:#667eea}
.credit-stat.income{background:rgba(16,185,129,0.06);border-color:rgba(16,185,129,0.2)}
.credit-stat.income .stat-val{color:#10b981}
.credit-stat.expense{background:rgba(239,68,68,0.06);border-color:rgba(239,68,68,0.2)}
.credit-stat.expense .stat-val{color:#ef4444}
.credit-filter-tabs{
  display:flex;gap:6px;margin-bottom:12px;flex-shrink:0;
}
.credit-filter-tab{
  padding:5px 14px;border-radius:16px;font-size:12px;
  border:1px solid var(--border);background:var(--bg-card);
  cursor:pointer;transition:all 0.2s;white-space:nowrap;
}
.credit-filter-tab:hover{background:var(--bg-panel)}
.credit-filter-tab.active{
  background:#667eea;color:#fff;border-color:#667eea;
}
.credit-log-list{
  flex:1;overflow-y:auto;min-height:0;
}
.credit-log-item{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:8px;margin-bottom:4px;
  transition:background 0.15s;
}
.credit-log-item:hover{background:var(--bg-panel)}
.credit-log-icon{
  width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;flex-shrink:0;
}
.credit-log-icon.income{background:rgba(16,185,129,0.12)}
.credit-log-icon.expense{background:rgba(239,68,68,0.12)}
.credit-log-info{flex:1;min-width:0}
.credit-log-info .log-title{
  font-size:13px;font-weight:500;margin-bottom:2px;
}
.credit-log-info .log-time{
  font-size:11px;color:var(--text-muted);
}
.credit-log-amount{
  font-size:15px;font-weight:bold;white-space:nowrap;
}
.credit-log-amount.income{color:#10b981}
.credit-log-amount.expense{color:#ef4444}

/* ===== 分享二维码 ===== */
.share-dialog-overlay{
  position:fixed;inset:0;z-index:10000;
  background:rgba(0,0,0,0.5);display:flex;
  align-items:center;justify-content:center;
  animation:fadeIn 0.2s;
}
.share-dialog-box{
  background:var(--bg-card);border-radius:20px;
  padding:32px;max-width:420px;width:90%;text-align:center;
  box-shadow:0 24px 80px rgba(0,0,0,0.25);
  animation:slideUp 0.3s ease;
}
.share-qr-container{
  width:200px;height:200px;margin:0 auto 16px;
  background:var(--bg-panel);border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;border:1px solid var(--border);
}
.share-qr-container canvas{max-width:100%;max-height:100%}
.share-link-row{
  display:flex;gap:8px;margin-bottom:16px;
}
.share-link-input{
  flex:1;padding:10px 12px;border-radius:8px;
  border:1px solid var(--border);font-size:12px;
  background:var(--bg-panel);color:var(--text-primary);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.share-copy-btn{
  padding:10px 16px;border-radius:8px;border:none;
  background:#667eea;color:#fff;font-size:13px;
  font-weight:bold;cursor:pointer;transition:all 0.2s;
  white-space:nowrap;
}
.share-copy-btn:hover{background:#5a6fd6;transform:translateY(-1px)}
.share-copy-btn.copied{background:#10b981}
.share-actions{
  display:flex;gap:8px;justify-content:center;flex-wrap:wrap;
}
.share-action-btn{
  padding:8px 18px;border-radius:8px;border:1px solid var(--border);
  background:var(--bg-card);font-size:13px;cursor:pointer;
  transition:all 0.2s;
}
.share-action-btn:hover{
  background:var(--bg-panel);border-color:#667eea;
}
.share-close-btn{
  margin-top:16px;padding:8px 28px;border-radius:8px;
  border:1px solid var(--border);background:transparent;
  color:var(--text-muted);font-size:13px;cursor:pointer;
  transition:all 0.2s;
}
.share-close-btn:hover{
  background:var(--bg-panel);color:var(--text-primary);
}

/* ===== 编辑器工具按钮 ===== */
.editor-tool-btn{
  transition:all 0.2s;
}
.editor-tool-btn.active,
.editor-tool-btn:hover{
  background:#667eea!important;
  color:#fff!important;
  border-color:#667eea!important;
}

/* ===== 分区列表面板 ===== */
.zone-list-panel{min-height:60px}
.zone-list-item{
  display:flex;align-items:center;gap:8px;padding:6px 10px;
  border-radius:6px;margin-bottom:4px;cursor:pointer;
  transition:all 0.15s;border:1px solid transparent;font-size:13px;
}
.zone-list-item:hover{
  background:rgba(102,126,234,0.08);border-color:#667eea;
}
.zone-list-item.locked{opacity:0.6}
.zone-list-idx{
  width:22px;height:22px;border-radius:50%;
  background:var(--bg-panel);display:flex;align-items:center;
  justify-content:center;font-size:11px;font-weight:bold;flex-shrink:0;
}
.zone-list-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.zone-list-area{font-size:11px;color:var(--text-muted);flex-shrink:0}
.zone-list-lock{font-size:12px;flex-shrink:0}

/* ===== 版本历史 ===== */
.version-item:hover{background:var(--bg-panel)!important}
.version-btn{transition:all 0.2s}
.version-btn.restore:hover{background:#667eea!important;color:#fff!important}
.version-btn.delete:hover{background:#ef4444!important;color:#fff!important}

/* ===== 编辑器Canvas ===== */
#zoneEditorCanvas{
  max-width:100%;height:auto;border:1px solid var(--border)!important;
}

/* ===== 回滚按钮动画 ===== */
#rollbackBtn1,#rollbackBtn2,#rollbackBtn3,#rollbackBtn4{transition:all 0.2s}
#rollbackBtn1:hover,#rollbackBtn2:hover,#rollbackBtn3:hover,#rollbackBtn4:hover{
  background:#f59e0b!important;color:#fff!important;
}

/* ===== 响应式：编辑器 + 进度条 + 分享 ===== */
@media (max-width:768px){
  .editor-tool-btn{font-size:10px!important;padding:4px 8px!important}
  #zoneEditorContainer canvas{height:300px!important}
  .upload-progress-box{min-width:260px;padding:24px}
  .share-dialog-box{padding:24px}
  .share-qr-container{width:160px;height:160px}
  .credit-history-box{padding:16px}
  .credit-stat{padding:10px 8px}
  .credit-stat .stat-val{font-size:22px}
}
/* ==================== v6.3.6 quick button styles ==================== */
.quick-bar{animation:slideDown 0.3s ease}
.quick-btn{position:relative;overflow:hidden}
.quick-btn::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,transparent 40%,rgba(255,255,255,0.15) 50%,transparent 60%);background-size:200% 100%;transition:background-position 0.4s}
.quick-btn:hover::after{background-position:100% 0}
.saved-card{transition:all 0.25s ease}
.saved-card:hover{box-shadow:0 4px 16px rgba(0,0,0,0.08);border-color:#c4b5fd!important}
/* v6.3.8: 冗余样式已清理 */