*{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary: #5c3cff;
  --primary-hover: #4b2be6;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --text: #111827;
  --text-muted: #6b7280;
  --border: #d1d5db;
  --bg: #ffffff;
}
html,body{width:100%;height:100%;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:#f0f2f5}
button{font:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent;border:none;background:none}
input, select{font:inherit;outline:none;appearance:none}

.app{width:100%;max-width:480px;height:100%;height:100dvh;margin:auto;display:flex;flex-direction:column;background:var(--bg);position:relative;overflow:hidden;box-shadow:0 0 40px rgba(0,0,0,0.05)}

.page{position:absolute;inset:0;display:flex;flex-direction:column;background:var(--bg);animation:slideIn 0.3s forwards cubic-bezier(0.16,1,0.3,1);z-index:1}
.page.hidden{display:none!important}
@keyframes slideIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

.global-timer{position:absolute;top:20px;right:20px;z-index:999;display:flex;align-items:center;gap:6px;background:#fff;border:1px solid #e5e7eb;padding:6px 12px;border-radius:20px;font-size:13px;font-weight:600;color:#374151;box-shadow:0 2px 8px rgba(0,0,0,0.05);cursor:pointer}
.global-timer.hidden{display:none!important}
.global-timer:hover{background:#f9fafb}

/* 聊天界面：重构为 Flex 严格撑满，确保输入框固定 */
#page-chat{background:#fcf9f6}
.chat-header{display:flex;justify-content:space-between;align-items:center;padding:20px;flex-shrink:0;}
.logo-area{display:flex;align-items:center;gap:8px}
.logo-text{font-weight:700;font-size:18px;color:#000}
.beta-tag{background:#ffedd5;color:#ff5c35;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:600}
.chat-container{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;}
.welcome-section{display:flex;flex-direction:column;align-items:center;margin-top:40px;text-align:center}
.welcome-section.hidden{display:none!important}
.sparkle-icon{margin-bottom:24px}
.welcome-title{font-size:28px;font-weight:700;color:#111;margin-bottom:30px;line-height:1.3}
.quick-actions{display:flex;flex-direction:column;gap:12px;width:100%;max-width:320px}
.quick-btn{padding:12px 20px;border:1px solid var(--border);border-radius:20px;background:#fff;color:#374151;font-size:14px;font-weight:500;transition:all .2s}
.quick-btn:hover{background:#f9fafb;border-color:#9ca3af}

/* 真实聊天列表 */
.real-chat-list{display:flex;flex-direction:column;gap:16px;padding-bottom:10px;}
.real-chat-list.hidden{display:none!important}
.msg-row{display:flex;gap:12px;max-width:85%;}
.msg-row.left{align-self:flex-start;}
.msg-row.right{align-self:flex-end;flex-direction:row-reverse;}

.msg-avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px;flex-shrink:0;color:#fff;}
.msg-content-wrap{display:flex;flex-direction:column;gap:6px;max-width:calc(100% - 48px);}
.msg-sender-name{font-size:12px;color:#9ca3af;margin-left:2px;}

.msg-bubble{padding:12px 16px;font-size:14px;line-height:1.5;word-break:break-all;}

/* 用户自己发的：右侧橙色 */
.msg-row.right .msg-bubble{background:#ff5c35;color:#fff;border-radius:12px 2px 12px 12px;box-shadow:0 1px 3px rgba(255, 92, 53, 0.2);}
/* 客服发的：左侧白色 */
.msg-row.left .msg-bubble{background:#fff;color:var(--text);border-radius:2px 12px 12px 12px;box-shadow:0 1px 3px rgba(0,0,0,0.05);border:1px solid #f3f4f6;}

/* 底部输入区 */
.chat-input-area{padding:16px 20px 24px;flex-shrink:0;background:#fcf9f6;}
.input-box{display:flex;flex-direction:column;background:#fff;border:1px solid #fcece1;border-radius:16px;padding:12px 16px;box-shadow:0 4px 20px rgba(0,0,0,0.03)}
.input-box input{border:none;background:transparent;font-size:16px;padding:8px 0;width:100%;}
.input-actions{display:flex;justify-content:space-between;align-items:center;margin-top:8px}
.send-btn{width:32px;height:32px;border-radius:8px;background:#ff5c35;display:flex;align-items:center;justify-content:center;transition:opacity .2s;cursor:pointer;}
.send-btn:active{opacity:0.7;}
.ai-footer{text-align:center;font-size:12px;color:#9ca3af;margin-top:12px}


/* 通用页面布局 */
.page-content{flex:1;overflow-y:auto;padding:24px;position:relative}
.air-logo-header{display:flex;align-items:center;gap:8px;font-size:20px;font-weight:700;color:#111}
.page-title{font-size:24px;font-weight:700;color:#111;margin-bottom:24px;line-height:1.4;letter-spacing:-0.5px}
.large-title{font-size:26px;margin-top:20px}
.huge-title{font-size:30px;font-weight:800;margin-top:10px;margin-bottom:10px}
.subtitle{font-size:15px;color:#4b5563;line-height:1.6;margin-bottom:24px}

.mt-20{margin-top:20px}.mt-30{margin-top:30px}.mt-40{margin-top:40px}.mt-15{margin-top:15px}.mb-10{margin-bottom:10px}
.air-label{display:block;font-size:14px;color:#374151;margin-bottom:8px;margin-top:16px}
.air-input{width:100%;height:48px;border:1px solid var(--border);border-radius:8px;padding:0 16px;font-size:16px;transition:border .2s;background:#fff}
.air-input:focus{border-color:var(--primary)}
.flex-input-group{display:flex;gap:12px}
.select-box{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--border);border-radius:8px;height:48px;padding:0 12px;background:#fff;cursor:pointer;width:100px}
.select-box.full-width{width:100%;padding:0 16px}
.select-box select{border:none;background:transparent;width:100%;height:100%;color:#111;font-size:16px;cursor:pointer}
.flex-1{flex:1}
.w-100{width:100%}
.text-purple{color:var(--primary)}
.check-item{display:flex;align-items:center;gap:10px;font-size:14px;color:#374151;cursor:pointer}
.check-item input{display:none}
.checkbox{width:20px;height:20px;border:1.5px solid var(--border);border-radius:4px;display:inline-block;position:relative;flex-shrink:0;background:#fff}
.check-item input:checked + .checkbox{background:var(--primary);border-color:var(--primary)}
.check-item input:checked + .checkbox::after{content:'';position:absolute;left:6px;top:2px;width:5px;height:10px;border:solid white;border-width:0 2px 2px 0;transform:rotate(45deg)}

.btn-outline{padding:14px 24px;border:1px solid var(--border);border-radius:8px;background:#fff;color:#374151;font-size:16px;font-weight:500;transition:all .2s}
.btn-outline:hover{background:#f9fafb}
.btn-primary{padding:14px 24px;border-radius:8px;background:var(--primary);color:#fff;font-size:16px;font-weight:600;transition:background .2s}
.btn-primary:hover{background:var(--primary-hover)}
.btn-danger{padding:14px 24px;border-radius:8px;background:var(--danger);color:#fff;font-size:16px;font-weight:600;transition:background .2s}
.btn-danger:hover{background:var(--danger-hover)}
.small-btn{height:36px;padding:0 16px;font-size:14px}
.bottom-actions{padding:16px 24px 32px;display:flex;justify-content:flex-end;gap:12px;background:#fff}
.full-width-btn .btn-primary{width:100%}

.info-box{background:#f9fafb;border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:24px}
.info-title{font-size:15px;font-weight:600;margin-bottom:12px}
.info-list{list-style:none;color:#374151;font-size:14px;line-height:1.8}
.info-list li{position:relative;padding-left:16px;margin-bottom:4px}
.info-list li::before{content:'•';position:absolute;left:0;color:#9ca3af}
.platform-icons{display:flex;justify-content:center;gap:12px;margin-top:20px}
.icon-circle{width:36px;height:36px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(0,0,0,0.05);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#3b82f6}
.helper-text{font-size:13px;color:#6b7280;margin-top:8px}

.risk-content{display:flex;flex-direction:column;align-items:center}
.warning-circle{width:72px;height:72px;border-radius:50%;background:#f97316;display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.risk-title{font-size:24px;font-weight:800;margin-bottom:16px;text-align:center}
.risk-meta{width:100%;font-size:15px;font-weight:600;color:#374151;margin-bottom:16px}
.text-red{color:var(--danger)}
.risk-desc{width:100%;font-size:14px;color:#4b5563;line-height:1.6;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.risk-footer{width:100%;font-size:14px;font-weight:600;line-height:1.6;margin-bottom:20px}

.modal-overlay{position:absolute;inset:0;background:rgba(0,0,0,0.5);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px;animation:fadeIn 0.2s}
.modal-overlay.hidden{display:none!important}
.modal-content{background:#fff;width:100%;max-width:400px;border-radius:12px;padding:30px;position:relative;text-align:left;animation:scaleIn 0.3s cubic-bezier(0.16,1,0.3,1)}
.close-btn{position:absolute;right:20px;top:20px;font-size:24px;color:#9ca3af;line-height:1}
.confirm-modal{text-align:center}
.paper-plane{margin-bottom:20px}
.confirm-title{font-size:24px;font-weight:800;margin-bottom:20px}
.confirm-desc{font-size:15px;color:#4b5563;margin-bottom:30px}
.modal-actions{display:flex;justify-content:center;gap:12px}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes scaleIn{from{opacity:0;transform:scale(0.95)}to{opacity:1;transform:scale(1)}}

.intercept-modal{padding:30px 24px}
.intercept-title{font-size:20px;font-weight:700;margin-bottom:16px;color:#111}
.intercept-desc{font-size:14px;color:#4b5563;line-height:1.6;margin-bottom:30px}
.intercept-actions{justify-content:flex-end;gap:16px}
.intercept-actions .btn-outline{border:none;color:var(--primary);padding:10px 20px;background:#f3f4f6}
.intercept-actions .btn-danger{padding:10px 20px}

.bank-grid{display:flex;gap:20px;margin-top:20px}
.bank-col{flex:1;display:flex;flex-direction:column;gap:16px}
.col-title{font-size:13px;color:#6b7280;font-weight:500}
.bank-col .check-item{font-size:16px;font-weight:500}
.bank-col .check-item input:checked + .checkbox{background:#22c55e;border-color:#22c55e}

.upload-list{display:flex;flex-direction:column;gap:24px}
.upload-item{position:relative}
.upload-title{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;margin-bottom:12px}
.red-avatar{width:20px;height:20px;border-radius:50%;background:#ff5c35;display:flex;align-items:center;justify-content:center;color:white;font-size:12px}
.upload-box{border:1px dashed var(--border);background:#f9fafb;border-radius:8px;padding:16px;display:flex;justify-content:space-between;align-items:center}
.upload-info{display:flex;align-items:center;gap:12px}
.doc-icon{font-size:20px}
.upload-text{font-size:13px;color:#6b7280}
.btn-add{padding:6px 16px;border:1px solid var(--border);border-radius:6px;font-size:14px;color:var(--primary);background:#fff}
.btn-add.text-gray{color:#9ca3af}

.guide-box{margin-bottom:30px}
.upload-title-text{font-size:22px;font-weight:700;margin-bottom:16px}
.upload-header-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.get-code-link{color:var(--primary);font-size:15px;font-weight:600;text-decoration:none;transition:color 0.3s}
.get-code-link.disabled{color:#9ca3af;pointer-events:none;}

#page-timeout{justify-content:space-between}
.timeout-content{display:flex;flex-direction:column;align-items:center;padding:40px 24px;text-align:center}
.timeout-title{font-size:32px;font-weight:700;color:#4b5563;margin-bottom:30px}