/* SPA 下载页样式 */
*{margin:0;padding:0;box-sizing:border-box;}
html,body{width:100%;height:100%;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;-webkit-text-size-adjust:100%;background:#f5f6fa;}
#app{min-height:100vh;}

/* ── 加载动画 ── */
.dl-loading{display:flex;align-items:center;justify-content:center;min-height:100vh;}
.dl-spinner{width:36px;height:36px;border:3px solid #e8e0ff;border-top-color:#764ba2;border-radius:50%;animation:spin .7s linear infinite;}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── iframe 全屏 ── */
.dl-iframe{width:100%;height:100vh;border:none;display:block;}

/* ── 空状态 ── */
.dl-empty{display:flex;align-items:center;justify-content:center;min-height:100vh;font-size:16px;color:#999;}

/* ══════════════════════════════════════════════════════════
   微信引导页（一屏展示，不滚动）
   ══════════════════════════════════════════════════════════ */
.wx-guide{height:100vh;background:#3f4049;color:#e5e5e5;display:flex;flex-direction:column;overflow:hidden;}
.wx-arrow{text-align:right;padding:16px 18px 0;animation:wx-bounce 1.5s ease-in-out infinite;flex-shrink:0;}
@keyframes wx-bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.wx-steps{padding:20px 24px 10px;flex-shrink:0;}
.wx-step{display:flex;align-items:center;gap:14px;margin-bottom:16px;font-size:15px;line-height:1.5;}
.wx-badge{flex-shrink:0;width:30px;height:30px;border-radius:50%;background:#35c85a;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;}
.wx-guide-img{flex:1;padding:0 24px 16px;overflow:hidden;display:flex;align-items:center;justify-content:center;}
.wx-guide-img img{max-width:100%;max-height:100%;object-fit:contain;border-radius:12px;}

/* ══════════════════════════════════════════════════════════
   Gateway 风险提示弹窗
   ══════════════════════════════════════════════════════════ */
.gw-overlay{position:fixed;inset:0;z-index:9000;background:#f5f6fa;display:flex;align-items:center;justify-content:center;padding:24px 20px;}
.gw-card{background:#fff;border-radius:20px;padding:28px 24px;width:100%;max-width:400px;box-shadow:0 4px 24px rgba(0,0,0,0.08);}
.gw-logo{display:flex;align-items:center;gap:8px;justify-content:center;margin-bottom:20px;font-size:14px;font-weight:600;color:#764ba2;}
.gw-logo img{width:28px;height:28px;border-radius:6px;}
.gw-head{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.gw-icon{width:64px;height:64px;border-radius:16px;overflow:hidden;flex-shrink:0;background:linear-gradient(135deg,#6c63ff,#3ecfcf);display:flex;align-items:center;justify-content:center;font-size:32px;}
.gw-icon img{width:100%;height:100%;object-fit:cover;}
.gw-info{flex:1;min-width:0;}
.gw-name{font-size:17px;font-weight:700;color:#1a1a2e;word-break:break-all;}
.gw-meta{font-size:12px;color:#999;margin-top:4px;}
.gw-img{text-align:center;margin-bottom:16px;}
.gw-img img{max-width:100%;border-radius:10px;}
.gw-warn{display:flex;align-items:flex-start;gap:8px;background:#fff8e6;border-radius:10px;padding:12px 14px;margin-bottom:20px;font-size:13px;color:#b26a00;line-height:1.6;}
.gw-warn-icon{font-size:15px;flex-shrink:0;margin-top:2px;}
.gw-btn{display:block;width:100%;padding:14px;background:linear-gradient(135deg,#07c160,#059b4e);color:#fff;font-size:16px;font-weight:600;border:none;border-radius:50px;cursor:pointer;text-align:center;letter-spacing:1px;}
.gw-btn:active{opacity:0.88;}

/* ══════════════════════════════════════════════════════════
   下载页（对标主站模板3：渐变头部+波浪+粒子）
   ══════════════════════════════════════════════════════════ */
.t3-page{min-height:100vh;background:#f5f6fa;overflow-x:hidden;display:flex;flex-direction:column;}

/* 手机端一屏展示 */
.t3-page.t3-mobile{height:100vh;height:100dvh;overflow:hidden;}

/* 渐变头部——占更大区域让粒子充分展示 */
.t3-header{position:relative;background:linear-gradient(135deg,#4a3aaa 0%,#667eea 40%,#764ba2 100%);padding:70px 20px 100px;text-align:center;overflow:hidden;flex-shrink:0;}
.t3-header canvas{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;}
.t3-header-content{position:relative;z-index:1;}
.t3-logo{width:96px;height:96px;margin:0 auto 16px;border-radius:24px;overflow:hidden;box-shadow:0 8px 30px rgba(0,0,0,0.25);background:#fff;}
.t3-logo img{width:100%;height:100%;object-fit:cover;display:block;}
.t3-title{font-size:24px;font-weight:700;color:#fff;margin:0;text-shadow:0 2px 8px rgba(0,0,0,0.15);}

/* 波浪 SVG */
.t3-waves{position:absolute;bottom:-1px;left:0;width:100%;height:40px;z-index:1;}
.t3-parallax use{animation:t3wave 20s cubic-bezier(.55,.5,.45,.5) infinite;}
.t3-parallax use:nth-child(1){animation-delay:-2s;animation-duration:7s;}
.t3-parallax use:nth-child(2){animation-delay:-3s;animation-duration:10s;}
.t3-parallax use:nth-child(3){animation-delay:-4s;animation-duration:13s;}
.t3-parallax use:nth-child(4){animation-delay:-5s;animation-duration:20s;}
@keyframes t3wave{0%{transform:translateX(0)}50%{transform:translateX(-25%)}100%{transform:translateX(-50%)}}

/* 内容区——margin-top 调小，让卡片不挡住头部特效 */
.t3-body{max-width:440px;margin:-30px auto 0;padding:0 16px;position:relative;z-index:2;flex:1;}
.t3-card{background:#fff;border-radius:16px;padding:24px 20px;margin-bottom:14px;box-shadow:0 4px 20px rgba(0,0,0,0.06);}
.t3-info{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:20px;}
.t3-tag{display:inline-block;padding:5px 14px;background:#f0eeff;color:#5b6abf;border-radius:20px;font-size:12px;font-weight:500;}
.t3-dl-wrap{padding:0 8px;}
.t3-btn-main{display:block;width:100%;padding:15px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;font-size:17px;font-weight:600;border:none;border-radius:50px;cursor:pointer;box-shadow:0 4px 20px rgba(102,126,234,0.4);transition:all .2s;letter-spacing:2px;}
.t3-btn-main:active{transform:scale(0.97);box-shadow:0 2px 10px rgba(102,126,234,0.25);}
.t3-btn-main:disabled{opacity:0.7;cursor:default;}
.t3-dl-ico{margin-right:4px;}
.t3-support{text-align:center;font-size:12px;color:#aaa;margin-top:12px;}
.t3-card-title{font-size:15px;font-weight:600;color:#1a1a2e;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid #f0ecff;}
.t3-card-body{font-size:13px;color:#555;line-height:1.8;word-break:break-all;}
.t3-screens{display:flex;gap:10px;overflow-x:auto;padding:4px 0;-webkit-overflow-scrolling:touch;}
.t3-screens img{height:220px;border-radius:12px;flex-shrink:0;box-shadow:0 2px 8px rgba(0,0,0,0.08);}

/* 二维码（仅PC） */
.t3-qr{text-align:center;margin-top:20px;padding-top:16px;border-top:1px solid #f0ecff;}
.t3-qr-box{width:140px;height:140px;margin:0 auto 8px;background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,0.06);}
.t3-qr-box img{width:100%;height:100%;display:block;}
.t3-qr-tip{font-size:12px;color:#aaa;}

/* 底部——始终靠底，适配手机安全区 */
.t3-footer{text-align:center;padding:10px 16px;padding-bottom:calc(10px + env(safe-area-inset-bottom,0px));font-size:12px;color:#bbb;flex-shrink:0;margin-top:auto;}
.t3-copy{margin:6px 0 0;font-size:11px;color:#ccc;}
.t3-footer-hint{font-size:11px;color:#9b8ec4;margin-bottom:6px;}
.t3-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;}
.t3-badge{display:inline-flex;align-items:center;gap:4px;padding:5px 12px;background:#fff;border-radius:20px;font-size:11px;color:#999;box-shadow:0 1px 4px rgba(0,0,0,0.05);}
.t3-badge svg{color:#999;}
.t3-contact-btn{cursor:pointer;transition:background .15s;}
.t3-contact-btn:active{background:#f0eeff;}

/* 联系我们弹窗 */
.t3-modal{display:none;position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,0.5);align-items:center;justify-content:center;}
.t3-modal.show{display:flex;}
.t3-modal-card{background:#fff;border-radius:16px;width:90%;max-width:400px;padding:24px 20px;}
.t3-modal-title{font-size:16px;font-weight:600;color:#333;margin-bottom:16px;}
.t3-modal-textarea{width:100%;height:80px;border:1px solid #ddd;border-radius:8px;padding:10px;font-size:13px;box-sizing:border-box;resize:none;outline:none;font-family:inherit;}
.t3-modal-textarea:focus{border-color:#764ba2;}
.t3-modal-input{width:100%;border:1px solid #ddd;border-radius:8px;padding:10px;font-size:13px;box-sizing:border-box;outline:none;margin-top:10px;font-family:inherit;}
.t3-modal-input:focus{border-color:#764ba2;}
.t3-modal-btns{display:flex;gap:10px;margin-top:16px;}
.t3-modal-cancel{flex:1;padding:10px;border:1px solid #ddd;background:#f5f5f5;border-radius:8px;font-size:14px;cursor:pointer;color:#666;}
.t3-modal-submit{flex:2;padding:10px;border:none;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:8px;font-size:14px;cursor:pointer;}