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#ef4444}.activation-input-section{width:100%;max-width:520px;display:flex;flex-direction:column;gap:20px;animation:fadeInUp .6s cubic-bezier(.34,1.56,.64,1) .2s backwards}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.activation-input{width:100%;padding:20px 24px;background:linear-gradient(135deg,#1a1f35cc,#1a1f35f2),radial-gradient(circle at 50% 0%,rgba(77,208,225,.1),transparent);border:2px solid rgba(77,208,225,.3);border-radius:16px;color:var(--text-primary);font-size:17px;font-family:Courier New,Consolas,monospace;font-weight:600;letter-spacing:2px;text-align:center;text-transform:uppercase;transition:all .4s cubic-bezier(.4,0,.2,1);box-shadow:0 8px 32px #0006,inset 0 1px #ffffff1a,0 0 #4dd0e100;position:relative;overflow:hidden}.activation-input:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(77,208,225,.3),transparent);transition:left .6s ease}.activation-input:focus{outline:none;border-color:var(--blue-glow);background:linear-gradient(135deg,#1a1f35e6,#1a1f35),radial-gradient(circle at 50% 0%,rgba(77,208,225,.2),transparent);box-shadow:0 12px 48px #00000080,inset 0 1px #ffffff26,0 0 40px #4dd0e166,0 0 80px #4dd0e133;transform:translateY(-2px);animation:inputMagic 1.5s ease-in-out infinite}@keyframes inputMagic{0%,to{box-shadow:0 12px 48px #00000080,inset 0 1px #ffffff26,0 0 40px #4dd0e166,0 0 80px #4dd0e133}50%{box-shadow:0 12px 48px #00000080,inset 0 1px #ffffff26,0 0 50px #4dd0e199,0 0 100px #4dd0e14d}}.activation-input:focus:before{left:100%}.activation-input::placeholder{color:var(--text-secondary);opacity:.5;font-size:13px;letter-spacing:1px;text-transform:none;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.activation-input:disabled{opacity:.6;cursor:not-allowed;filter:grayscale(.5)}.activation-buttons{display:flex;gap:16px;justify-content:center}.activation-buttons .btn-primary,.activation-buttons .btn-secondary{flex:1;max-width:220px;font-size:16px;padding:16px 32px;font-weight:700;text-transform:uppercase;letter-spacing:1px}.btn-primary:disabled,.btn-secondary:disabled{opacity:.4;cursor:not-allowed;transform:none!important;filter:grayscale(.7);pointer-events:none}.btn-primary:disabled:hover,.btn-secondary:disabled:hover{box-shadow:0 8px 25px #d4af3766;transform:none}@media(max-width:768px){.title{font-size:48px}.subtitle{font-size:20px}.description{font-size:16px}.app-icon{width:150px}.cta-buttons{flex-direction:column}.features{grid-template-columns:1fr}.section-title{font-size:32px}.screenshots-container{flex-direction:column;gap:40px}.screenshot{height:auto;width:100%;max-width:100%}.permission-card{padding:20px}.activation-input{font-size:14px}.activation-buttons{flex-direction:column}.activation-buttons .btn-primary,.activation-buttons .btn-secondary{max-width:100%}.login-corner,.user-corner{top:20px;right:20px;padding:6px 12px 6px 6px}.btn-login{padding:10px 20px;font-size:14px}.user-avatar{width:32px;height:32px}.user-nickname{font-size:13px;max-width:80px}.btn-logout{padding:6px 16px;font-size:12px}.qq-group-badge{flex-direction:column;text-align:center;gap:12px;padding:16px 20px}.qq-group-info{align-items:center}.qq-group-number{font-size:18px}}.btn-buy{background:linear-gradient(135deg,#ff6b35,#f7931e,#ff6b35);background-size:200% 200%;color:#fff;border:none;padding:16px 40px;font-size:18px;font-weight:700;border-radius:12px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 20px #ff6b3566;animation:buyButtonGlow 3s ease-in-out infinite}.btn-buy:hover{transform:translateY(-2px);box-shadow:0 6px 30px #ff6b3599}.btn-buy:disabled{opacity:.7;cursor:not-allowed;transform:none}@keyframes buyButtonGlow{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.payment-modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.payment-modal{background:linear-gradient(145deg,var(--bg-card) 0%,#252a42 100%);border:1px solid rgba(255,215,0,.3);border-radius:20px;padding:40px;text-align:center;max-width:400px;width:90%;box-shadow:0 20px 60px #00000080,0 0 40px #ffd7001a}.payment-modal h3{color:var(--gold-light);font-size:24px;margin-bottom:10px}.payment-amount{font-size:36px;font-weight:700;color:var(--legendary-orange);margin-bottom:20px}.qrcode-container{background:#fff;padding:15px;border-radius:12px;display:inline-block;margin-bottom:20px}.payment-qrcode{width:200px;height:200px;display:block}.payment-tip{color:var(--text-secondary);font-size:14px;margin-bottom:10px}.payment-order{color:var(--text-secondary);font-size:12px;margin-bottom:20px;opacity:.7}.btn-cancel{background:transparent;border:1px solid var(--text-secondary);color:var(--text-secondary);padding:12px 30px;font-size:14px;border-radius:8px;cursor:pointer;transition:all .3s ease}.btn-cancel:hover{border-color:var(--gold);color:var(--gold)}.channel-select{text-align:center}.channel-title{color:var(--text-secondary);font-size:14px;margin-bottom:12px}.channel-buttons{display:flex;gap:12px;justify-content:center;margin-bottom:10px}.btn-channel{padding:12px 24px;font-size:15px;font-weight:600;border:none;border-radius:10px;cursor:pointer;transition:all .3s ease;min-width:120px}.btn-wechat{background:#07c160;color:#fff}.btn-wechat:hover{background:#06ad56;transform:translateY(-1px)}.btn-alipay{background:#1677ff;color:#fff}.btn-alipay:hover{background:#0e5fd8;transform:translateY(-1px)}.btn-channel:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-channel-cancel{background:transparent;border:none;color:var(--text-secondary);font-size:13px;cursor:pointer;padding:6px 12px}.btn-channel-cancel:hover{color:var(--gold)}.alipay-tip{margin:20px 0}.payment-tip-sub{color:var(--text-secondary);font-size:12px;opacity:.7}.promotion-section{margin-top:20px;text-align:center}.btn-free-activate{padding:14px 28px;font-size:16px;font-weight:700;border:none;border-radius:12px;cursor:pointer;transition:all .3s ease;background:linear-gradient(135deg,#07c160,#06ad56);color:#fff;box-shadow:0 8px 25px #07c1604d}.btn-free-activate:hover{transform:translateY(-2px);box-shadow:0 12px 35px #07c16066}.btn-free-activate:disabled{opacity:.5;cursor:not-allowed;transform:none}.free-activate-panel{display:flex;flex-direction:column;align-items:center;gap:12px}.free-activate-tip{color:var(--text-secondary);font-size:14px}.invite-code-short{max-width:200px;text-align:center;font-size:20px;letter-spacing:4px}.invite-code-display{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:16px;padding:12px 20px;background:#1a233299;border:1px solid rgba(255,215,0,.15);border-radius:10px}.invite-code-display .label{color:var(--text-secondary);font-size:14px}.invite-code{color:var(--gold-light);font-size:20px;font-weight:700;letter-spacing:3px;font-family:Courier New,monospace}.btn-copy{padding:6px 14px;font-size:13px;border:1px solid var(--gold-dark);border-radius:6px;background:transparent;color:var(--gold);cursor:pointer;transition:all .3s ease}.btn-copy:hover{background:#ffd7001a}.events-section{margin-top:12px}.btn-show-events{background:none;border:none;color:var(--text-secondary);font-size:13px;cursor:pointer;text-decoration:underline;padding:0}.btn-show-events:hover{color:var(--gold)}.events-list{background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:8px;padding:12px;max-height:300px;overflow-y:auto}.events-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.events-title{font-size:13px;color:var(--text-secondary);font-weight:500}.btn-close-events{background:none;border:none;color:var(--text-secondary);font-size:12px;cursor:pointer}.btn-close-events:hover{color:var(--gold)}.events-loading,.events-empty{text-align:center;color:var(--text-secondary);font-size:13px;padding:16px 0}.event-item{padding:8px 0;border-bottom:1px solid rgba(255,255,255,.05)}.event-item:last-child{border-bottom:none}.event-detail{font-size:13px;color:var(--text-primary)}.event-change{font-size:12px;color:var(--text-secondary);margin-top:2px}.event-time{font-size:11px;color:#ffffff4d;margin-top:2px}