:root{--bg:#080b14;--bg-card:#ffffff0a;--bg-card-hover:#ffffff14;--text:#f0f2f5;--text-dim:#8b92a5;--accent:#7c6cf0;--accent-glow:#7c6cf04d;--gradient-1:linear-gradient(135deg, #7c6cf0 0%, #c471ed 50%, #f64f59 100%);--gradient-2:linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);--success:#34d399;--warning:#fbbf24;--border:#ffffff14;--radius:16px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;overflow-x:hidden}.animated-bg{z-index:0;position:fixed;inset:0;overflow:hidden}.animated-bg .orb{filter:blur(80px);opacity:.3;border-radius:50%;animation:15s ease-in-out infinite float;position:absolute}.orb-1{background:#7c6cf0;width:400px;height:400px;animation-delay:0s;top:-10%;left:-5%}.orb-2{background:#c471ed;width:300px;height:300px;animation-delay:-5s;top:40%;right:-5%}.orb-3{background:#f64f59;width:350px;height:350px;animation-delay:-10s;bottom:-10%;left:30%}@keyframes float{0%,to{transform:translateY(0)translate(0)}33%{transform:translateY(-30px)translate(20px)}66%{transform:translateY(20px)translate(-20px)}}.page-container{z-index:1;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:40px 20px;display:flex;position:relative}.redeem-hero{text-align:center;margin-bottom:40px}.redeem-hero h1{background:var(--gradient-1);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:12px;font-size:clamp(32px,6vw,56px);font-weight:800}.redeem-hero p{color:var(--text-dim);max-width:480px;margin:0 auto;font-size:16px}.redeem-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);width:100%;max-width:520px;padding:32px}.mode-tabs{background:#ffffff0a;border-radius:10px;gap:0;margin-bottom:24px;padding:4px;display:flex}.mode-tab{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:8px;flex:1;padding:10px;font-family:inherit;font-size:14px;font-weight:600;transition:all .3s}.mode-tab.active{background:var(--accent);color:#fff;box-shadow:0 4px 12px var(--accent-glow)}.input-group{margin-bottom:16px}.input-label{color:var(--text-dim);margin-bottom:6px;font-size:13px;font-weight:600;display:block}.input-field{border:1px solid var(--border);width:100%;color:var(--text);letter-spacing:1px;background:#0000004d;border-radius:12px;padding:14px 18px;font-family:inherit;font-size:16px;transition:all .3s}.input-field::placeholder{color:#fff3;letter-spacing:0}.input-field:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow);outline:none}.input-field.cdk-input{text-align:center;text-transform:uppercase;letter-spacing:3px;font-family:Courier New,monospace;font-size:20px;font-weight:700}.submit-btn{background:var(--gradient-1);color:#fff;cursor:pointer;border:none;border-radius:12px;width:100%;margin-top:8px;padding:14px;font-family:inherit;font-size:16px;font-weight:700;transition:all .3s}.submit-btn:hover{box-shadow:0 8px 24px var(--accent-glow);transform:translateY(-2px)}.submit-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.error-msg{color:#f87171;text-align:center;margin-top:8px;font-size:13px}.ann-overlay{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:2000;background:#0009;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.ann-modal{background:linear-gradient(145deg,#1a1d2e,#141722);border:1px solid #ffffff1a;border-radius:16px;width:100%;max-width:440px;padding:32px;animation:.3s ann-slide-in;box-shadow:0 20px 60px #00000080}@keyframes ann-slide-in{0%{opacity:0;transform:translateY(20px)scale(.96)}to{opacity:1;transform:translateY(0)scale(1)}}.ann-title{color:var(--text);margin-bottom:16px;font-size:20px;font-weight:800}.ann-content{color:var(--text-dim);white-space:pre-wrap;max-height:300px;margin-bottom:24px;font-size:15px;line-height:1.7;overflow-y:auto}.ann-close-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:10px;width:100%;padding:12px;font-family:inherit;font-size:15px;font-weight:700;transition:all .2s}.ann-close-btn:hover{background:var(--accent-glow);box-shadow:0 4px 16px var(--accent-glow);transform:translateY(-1px)}.yundu-btn{text-align:center;color:#38bdf8e6;letter-spacing:2px;background:#38bdf80f;border:1px solid #38bdf840;border-radius:12px;width:100%;max-width:520px;margin-top:20px;padding:16px 24px;font-size:16px;font-weight:700;text-decoration:none;transition:all .3s;display:block}.yundu-btn:hover{color:#38bdf8;background:#38bdf81f;border-color:#38bdf880;transform:translateY(-2px);box-shadow:0 0 20px #38bdf826}.yundu-btn:active{transform:translateY(0)}.footer-copyright{text-align:center;margin-top:32px}.copyright-link{color:#fff3;cursor:pointer;letter-spacing:1px;font-size:12px;transition:color .2s}.copyright-link:hover{color:#ffffff80}.resource-page{z-index:1;max-width:640px;margin:0 auto;padding:32px 20px 40px;position:relative}.resource-page .yundu-btn{max-width:100%;margin-top:32px}.back-link{color:var(--text-dim);align-items:center;gap:6px;margin-bottom:28px;padding:6px 0;font-size:15px;font-weight:600;text-decoration:none;transition:color .2s;display:inline-flex}.back-link:hover{color:var(--text)}.countdown-bar{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:linear-gradient(135deg,#fbbf241f 0%,#f871711f 100%);border:2px solid #fbbf2459;border-radius:16px;align-items:center;gap:20px;margin-bottom:32px;padding:24px 28px;animation:2s ease-in-out infinite pulse-border;display:flex}@keyframes pulse-border{0%,to{border-color:#fbbf2459}50%{border-color:#f8717199}}.countdown-icon-wrap{flex-shrink:0;justify-content:center;align-items:center;width:56px;height:56px;display:flex;position:relative}.countdown-pulse-ring{background:#fbbf2426;border-radius:50%;animation:2s ease-in-out infinite ring-pulse;position:absolute;inset:0}@keyframes ring-pulse{0%,to{opacity:.6;transform:scale(1)}50%{opacity:0;transform:scale(1.25)}}.countdown-icon-inner{z-index:1;font-size:32px;position:relative}.countdown-text{flex:1}.countdown-label{color:var(--warning);letter-spacing:.5px;font-size:22px;font-weight:800;line-height:1.3}.countdown-time{background:linear-gradient(90deg,#fbbf24,#f87171);-webkit-text-fill-color:transparent;letter-spacing:2px;-webkit-background-clip:text;background-clip:text;margin-top:6px;font-family:Courier New,monospace;font-size:32px;font-weight:800}.universal-bar{background:linear-gradient(135deg,#34d3991a 0%,#7c6cf014 100%);border:1px solid #34d39940;border-radius:14px;align-items:center;gap:12px;margin-bottom:32px;padding:18px 24px;display:flex}.universal-icon{font-size:28px}.universal-text{color:var(--success);font-size:16px;font-weight:700}.res-section{margin-bottom:28px}.res-section-header{align-items:center;gap:10px;margin-bottom:14px;display:flex}.res-section-icon{font-size:26px}.res-section-title{font-size:20px;font-weight:700}.badge{text-transform:uppercase;letter-spacing:.5px;border-radius:6px;padding:3px 10px;font-size:11px;font-weight:700}.badge-success{color:var(--success);background:#34d39926}.res-cards-list{flex-direction:column;gap:10px;display:flex}.res-card{border:1px solid var(--border);background:#ffffff0a;border-radius:14px;padding:20px 24px;transition:all .25s}.res-card:hover{background:#ffffff12;border-color:#7c6cf033;transform:translateY(-1px);box-shadow:0 4px 16px #0003}.res-card-header{justify-content:space-between;align-items:center;display:flex}.res-card-title{margin-bottom:6px;font-size:16px;font-weight:700}.res-card-desc{color:var(--text-dim);margin-bottom:12px;font-size:13px;line-height:1.5}.res-card-empty{opacity:.5}.res-card-empty .res-card-title{color:var(--text-dim)}.res-card-locked{opacity:.3}.res-url-block{margin-top:10px}.res-url-block+.res-url-block{margin-top:8px}.res-url-label{color:var(--text-dim);letter-spacing:.5px;margin-bottom:6px;font-size:12px;font-weight:700}.res-url-row{background:#00000059;border:1px solid #ffffff0f;border-radius:10px;align-items:center;gap:10px;padding:12px 16px;display:flex}.res-url-row--link{background:#34d3990a;border-color:#34d39926}.res-url-text{color:var(--accent);word-break:break-all;flex:1;font-family:Courier New,monospace;font-size:13px}.res-url-row--link .res-url-text{color:var(--success)}.res-copy-btn{color:var(--accent);cursor:pointer;background:#7c6cf01a;border:1px solid #7c6cf04d;border-radius:8px;flex-shrink:0;padding:8px 16px;font-family:inherit;font-size:13px;font-weight:600;transition:all .25s}.res-copy-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 2px 12px var(--accent-glow)}.res-url-row--link .res-copy-btn{color:var(--success);background:#34d3991a;border-color:#34d3994d}.res-url-row--link .res-copy-btn:hover{background:var(--success);color:#fff;border-color:var(--success);box-shadow:0 2px 12px #34d3994d}.locked-section{opacity:.4;pointer-events:none}.lock-icon{margin-left:auto;font-size:18px}.category-preview{width:100%;max-width:700px;margin-top:48px}.preview-title{color:var(--text-dim);text-align:center;text-transform:uppercase;letter-spacing:2px;margin-bottom:16px;font-size:14px;font-weight:600}.preview-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;display:grid}.preview-item{background:var(--bg-card);border:1px solid var(--border);text-align:center;opacity:.5;border-radius:12px;padding:16px}.preview-icon{margin-bottom:8px;font-size:28px}.preview-name{font-size:13px;font-weight:600}.preview-lock{color:var(--text-dim);margin-top:4px;font-size:12px}@media (width<=640px){.redeem-card{padding:24px 20px}.input-field.cdk-input{letter-spacing:2px;font-size:16px}.preview-grid{grid-template-columns:repeat(2,1fr)}.countdown-bar{text-align:center;flex-direction:column;gap:14px;padding:20px 16px}.countdown-label{font-size:18px}.countdown-time{font-size:26px}.resource-page{padding:20px 16px 32px}.res-section-title{font-size:17px}.res-card{padding:16px 18px}.res-url-row,.res-url-row--link{flex-direction:column;align-items:stretch}.res-copy-btn{text-align:center}}