.ui-overlay{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1000;display:flex;flex-direction:column;justify-content:center;align-items:center;font-family:Microsoft YaHei,PingFang SC,sans-serif}.ui-overlay>*{pointer-events:auto}.ui-overlay.loading{background:#000;pointer-events:auto}.ui-overlay .spinner{width:50px;height:50px;border:3px solid rgba(255,105,180,.3);border-top-color:#ff69b4;border-radius:50%;animation:spin 1s linear infinite}.ui-overlay.loading p{margin-top:20px;color:#ffffffb3;font-size:14px}.void-ui{text-align:center}.title{font-size:48px;font-weight:300;color:#fff;text-shadow:0 0 30px rgba(255,105,180,.5);margin-bottom:50px;letter-spacing:8px}.start-btn{position:relative;padding:18px 50px;background:transparent;border:2px solid rgba(255,105,180,.5);color:#fff;font-size:18px;letter-spacing:4px;border-radius:50px;overflow:hidden;transition:all .4s ease}.start-btn:hover{border-color:#ff69b4;transform:scale(1.05)}.start-btn .btn-text{position:relative;z-index:1}.start-btn .btn-glow{position:absolute;top:50%;left:50%;width:0;height:0;background:radial-gradient(circle,rgba(255,105,180,.4) 0%,transparent 70%);border-radius:50%;transform:translate(-50%,-50%);transition:all .4s ease}.start-btn:hover .btn-glow{width:300px;height:300px}.memory-ui{position:absolute;bottom:100px;left:50%;transform:translate(-50%);text-align:center;max-width:600px;width:90%}.memory-content{background:#0009;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;padding:30px;margin-bottom:30px;border:1px solid rgba(255,105,180,.3)}.memory-content.layout-left{text-align:left}.memory-content.layout-right{text-align:right}.memory-content.layout-center{text-align:center}.memory-image{margin-bottom:20px;border-radius:12px;overflow:hidden}.memory-image img{max-width:100%;max-height:300px;object-fit:contain}.memory-description{color:#ffffffe6;font-size:16px;line-height:1.8;white-space:pre-wrap}.continue-btn{padding:15px 40px;background:linear-gradient(135deg,#ff69b44d,#ff14934d);border:1px solid rgba(255,105,180,.5);color:#fff;font-size:16px;letter-spacing:2px;border-radius:30px;transition:all .3s ease}.continue-btn:hover{background:linear-gradient(135deg,#ff69b480,#ff149380);transform:translateY(-2px)}.progress-indicator{margin-top:20px;color:#ffffff80;font-size:14px}.finale-ui{text-align:center}.final-message{font-size:24px;color:#ffffffe6;line-height:1.8;max-width:600px;text-shadow:0 0 20px rgba(255,105,180,.3);margin-bottom:50px;white-space:pre-wrap}.restart-btn{padding:12px 30px;background:transparent;border:1px solid rgba(255,255,255,.3);color:#ffffffb3;font-size:14px;border-radius:25px;transition:all .3s ease}.restart-btn:hover{border-color:#ffffff80;color:#fff}.restart-btn-corner{position:fixed;top:20px;left:20px;padding:10px 20px;background:#00000080;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);border:1px solid rgba(255,255,255,.2);color:#fffc;font-size:14px;border-radius:20px;transition:all .3s ease;z-index:200}.restart-btn-corner:hover{background:#000000b3;border-color:#ff69b480;color:#fff}.roam-hint{position:fixed;bottom:30px;left:50%;transform:translate(-50%);padding:12px 25px;background:#0006;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);border-radius:25px;color:#fff9;font-size:13px;letter-spacing:1px;pointer-events:none}.final-message-subtle{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);font-size:20px;color:#ffffff4d;text-shadow:0 0 30px rgba(255,105,180,.2);max-width:500px;text-align:center;line-height:1.8;white-space:pre-wrap;pointer-events:none;animation:fadeInSubtle 2s ease forwards}@keyframes fadeInSubtle{0%{opacity:0}to{opacity:1}}.memory-modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;justify-content:center;align-items:center;z-index:300;animation:fadeIn .3s ease}.memory-modal{position:relative;max-width:600px;width:90%;max-height:80vh;background:#14141ef2;border-radius:20px;padding:30px;border:1px solid rgba(255,105,180,.3);box-shadow:0 0 50px #ff69b433;overflow-y:auto;animation:modalSlideIn .3s ease}@keyframes modalSlideIn{0%{opacity:0;transform:scale(.9) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-close-btn{position:absolute;top:15px;right:15px;width:36px;height:36px;background:#ffffff1a;border:none;border-radius:50%;color:#ffffffb3;font-size:24px;line-height:1;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.modal-close-btn:hover{background:#ff69b44d;color:#fff}.modal-image{margin-bottom:20px;border-radius:12px;overflow:hidden;text-align:center}.modal-image img{max-width:100%;max-height:50vh;object-fit:contain;border-radius:8px}.modal-description{color:#ffffffe6;font-size:16px;line-height:1.8;white-space:pre-wrap;text-align:center}.audio-btn{position:fixed;bottom:30px;right:30px;width:50px;height:50px;background:#00000080;border:1px solid rgba(255,255,255,.2);border-radius:50%;font-size:20px;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.audio-btn:hover{background:#000000b3;border-color:#fff6}.admin-link{position:fixed;top:20px;right:20px;width:40px;height:40px;background:#0000004d;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;text-decoration:none;opacity:.3;transition:all .3s ease}.admin-link:hover{opacity:1;background:#00000080}.fade-in{animation:fadeIn 1s ease forwards}.slide-up{animation:slideUp .8s ease forwards}@keyframes slideUp{0%{opacity:0;transform:translate(-50%) translateY(30px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@media (max-width: 600px){.title{font-size:32px;letter-spacing:4px}.start-btn{padding:15px 35px;font-size:16px}.memory-ui{bottom:50px}.memory-content{padding:20px}.final-message{font-size:18px;padding:0 20px}}@media (min-width: 601px) and (max-width: 1024px){.title{font-size:40px;letter-spacing:6px;margin-bottom:40px}.start-btn{padding:16px 45px;font-size:17px}.memory-ui{bottom:80px;max-width:550px}.memory-content{padding:25px}.memory-image img{max-height:250px}.final-message{font-size:22px;max-width:550px}.envelope{width:300px;height:200px}.letter{width:300px;min-height:280px;padding:35px 30px}.letter-content{font-size:14px}.memory-modal{max-width:550px;padding:25px}}@media (max-width: 600px){.title{font-size:26px;letter-spacing:3px;margin-bottom:35px;padding:0 15px}.start-btn{padding:14px 30px;font-size:15px;letter-spacing:3px}.start-btn:hover .btn-glow{width:200px;height:200px}.memory-ui{position:fixed;top:auto;bottom:0;left:0;right:0;transform:none;width:100%;max-width:none;max-height:80vh;display:flex;flex-direction:column;background:#0a0a14f2;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);border-radius:20px 20px 0 0;border:1px solid rgba(255,105,180,.3);border-bottom:none;padding:20px 15px;padding-bottom:calc(20px + env(safe-area-inset-bottom));box-shadow:0 -10px 40px #00000080;animation:slideUpSheet .4s ease forwards}@keyframes slideUpSheet{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}.memory-ui:before{content:"";position:absolute;top:8px;left:50%;transform:translate(-50%);width:40px;height:4px;background:#ffffff4d;border-radius:2px}.memory-content{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:10px 15px 15px;border-radius:12px;margin-bottom:15px;max-height:55vh;background:transparent;border:none;-webkit-backdrop-filter:none;backdrop-filter:none}.memory-image{margin-bottom:15px}.memory-image img{max-height:35vh;width:100%;object-fit:contain;border-radius:10px}.memory-description{font-size:14px;line-height:1.7;color:#ffffffe6}.memory-ui .continue-btn{flex-shrink:0;width:100%;padding:16px 30px;font-size:15px;letter-spacing:2px;min-height:50px;border-radius:12px}.progress-indicator{flex-shrink:0;font-size:12px;margin-top:12px;text-align:center;color:#ffffff80}.final-message{font-size:16px;padding:0 15px;max-width:100%;line-height:1.7;margin-bottom:35px}.final-message-subtle{font-size:16px;max-width:90%;padding:0 15px}.restart-btn{padding:10px 25px;font-size:13px}.restart-btn-corner{top:15px;left:15px;padding:8px 16px;font-size:12px}.admin-link{top:15px;right:15px;width:36px;height:36px;font-size:16px}.audio-btn{bottom:20px;right:20px;width:44px;height:44px;font-size:18px}.memory-ui~.audio-btn,.ui-overlay:has(.memory-ui) .audio-btn{bottom:calc(80vh + 20px)}.roam-hint{bottom:20px;padding:10px 20px;font-size:12px}.envelope{width:280px;height:190px}.envelope-body{border-radius:6px}.envelope-flap{border-radius:6px 6px 0 0}.envelope-flap:after{bottom:-50px;border-left:138px solid transparent;border-right:138px solid transparent;border-top:50px solid #3d2a5a}.envelope-seal{width:50px;height:50px;font-size:20px}.envelope-hint{bottom:-40px;font-size:12px}.letter{width:290px;min-height:260px;padding:30px 25px;border-radius:10px}.letter-content{font-size:13px;line-height:1.7}.continue-journey-btn{margin-top:20px;padding:10px 25px;font-size:13px}.memory-modal-overlay{padding:15px}.memory-modal{width:100%;max-width:none;max-height:85vh;padding:20px;border-radius:15px}.modal-close-btn{top:10px;right:10px;width:32px;height:32px;font-size:20px}.modal-image img{max-height:40vh}.modal-description{font-size:14px;line-height:1.7}}@media (max-width: 375px){.title{font-size:22px;letter-spacing:2px}.start-btn{padding:12px 25px;font-size:14px}.memory-ui{max-height:85vh;padding:18px 12px;padding-bottom:calc(18px + env(safe-area-inset-bottom))}.memory-content{padding:12px;max-height:60vh}.memory-description{font-size:13px}.memory-ui .continue-btn{padding:14px 25px;font-size:14px;min-height:48px}.final-message{font-size:14px}.envelope{width:250px;height:170px}.envelope-flap:after{bottom:-45px;border-left:123px solid transparent;border-right:123px solid transparent;border-top:45px solid #3d2a5a}.letter{width:260px;min-height:240px;padding:25px 20px}.letter-content{font-size:12px}}@media (max-height: 500px) and (orientation: landscape){.title{font-size:24px;margin-bottom:20px}.start-btn{padding:10px 25px;font-size:14px}.memory-ui{position:fixed;bottom:0;left:0;right:0;top:auto;transform:none;max-height:70vh;display:flex;flex-direction:row;gap:15px;padding:15px;padding-bottom:calc(15px + env(safe-area-inset-bottom));background:#0a0a14f2;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);border-radius:15px 15px 0 0}.memory-ui:before{display:none}.memory-content{flex:1;padding:10px;max-height:55vh;overflow-y:auto;margin-bottom:0}.memory-image img{max-height:100px}.memory-ui .continue-btn{flex-shrink:0;align-self:center;width:auto;min-width:120px;padding:12px 20px}.progress-indicator{position:absolute;bottom:5px;left:50%;transform:translate(-50%);margin-top:0}.final-message{font-size:16px;margin-bottom:20px}.envelope{width:240px;height:160px}.letter{width:280px;min-height:auto;max-height:80vh;padding:20px;overflow-y:auto}.memory-modal{max-height:90vh}}@media (hover: none) and (pointer: coarse){.start-btn,.continue-btn,.restart-btn,.continue-journey-btn{min-height:44px}.modal-close-btn,.audio-btn,.admin-link,.restart-btn-corner{min-width:44px;min-height:44px}.start-btn:hover{transform:none}.start-btn:active{transform:scale(.98)}.continue-btn:hover{transform:none}.continue-btn:active{background:linear-gradient(135deg,#ff69b499,#ff149399)}.envelope:hover{transform:none}.envelope:active{transform:scale(.98)}.remove-image-btn{opacity:.8}}.envelope-container{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;justify-content:center;align-items:center;z-index:10000;perspective:1000px;background:#000c;animation:fadeIn 1s ease forwards}.envelope{position:relative;width:320px;height:220px;cursor:pointer;transform-style:preserve-3d;transition:transform .3s ease;overflow:visible}.envelope:hover{transform:scale(1.02)}.envelope-body{position:absolute;width:100%;height:100%;background:linear-gradient(135deg,#2a1f3d,#1a1428);border-radius:8px;border:2px solid rgba(255,105,180,.4);box-shadow:0 10px 40px #00000080,0 0 30px #ff69b433,inset 0 0 20px #ff69b41a}.envelope-flap{position:absolute;top:0;left:0;width:100%;height:50%;background:linear-gradient(180deg,#3d2a5a,#2a1f3d);border-radius:8px 8px 0 0;border:2px solid rgba(255,105,180,.4);border-bottom:none;transform-origin:top center;transform:rotateX(0);transition:transform .8s cubic-bezier(.4,0,.2,1);z-index:2}.envelope-flap:after{content:"";position:absolute;bottom:-60px;left:50%;transform:translate(-50%);width:0;height:0;border-left:158px solid transparent;border-right:158px solid transparent;border-top:60px solid #3d2a5a}.envelope.opened .envelope-flap{transform:rotateX(-180deg);z-index:0}.envelope-seal{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:radial-gradient(circle,#ff69b4,#c71585);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;box-shadow:0 4px 15px #ff69b480,inset 0 2px 4px #ffffff4d;z-index:3;transition:all .5s ease}.envelope.opened .envelope-seal{opacity:0;transform:translate(-50%,-50%) scale(0)}.envelope-hint{position:absolute;bottom:-50px;left:50%;transform:translate(-50%);color:#fff9;font-size:14px;letter-spacing:2px;white-space:nowrap;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.6}50%{opacity:1}}.letter{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.8);width:320px;min-height:300px;background:linear-gradient(180deg,#faf8f5,#f5f0e8);border-radius:12px;padding:40px 35px;box-shadow:0 20px 60px #00000080;opacity:0;pointer-events:none;transition:all .6s cubic-bezier(.4,0,.2,1);z-index:10}.letter.visible{opacity:1;pointer-events:auto;transform:translate(-50%,-50%) scale(1);z-index:100}.letter-content{color:#2a1f3d;font-size:15px;line-height:1.8;text-align:center;white-space:pre-wrap;font-family:Microsoft YaHei,PingFang SC,serif}.continue-journey-btn{display:block;margin:25px auto 0;padding:12px 30px;background:linear-gradient(135deg,#ff69b4cc,#c71585cc);border:none;border-radius:25px;color:#fff;font-size:14px;letter-spacing:2px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #ff69b466}.continue-journey-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #ff69b499}.envelope-container.fade-out{animation:fadeOut .8s ease forwards}@keyframes fadeOut{0%{opacity:1}to{opacity:0;pointer-events:none}}.experience-container{position:fixed;top:0;left:0;width:100%;height:100%;background:#000;overflow:hidden}.experience-container canvas{display:block}.memory-item{display:flex;align-items:stretch;gap:15px;background:#0003;border-radius:12px;padding:15px;border:1px solid rgba(255,255,255,.1);transition:all .3s ease}.memory-item:hover{border-color:#ff69b44d}.memory-item.dragging{box-shadow:0 10px 30px #0000004d}.drag-handle{display:flex;flex-direction:column;align-items:center;justify-content:center;width:40px;cursor:grab;color:#fff6;-webkit-user-select:none;user-select:none}.drag-handle:active{cursor:grabbing}.handle-icon{font-size:18px;letter-spacing:2px}.item-index{font-size:12px;margin-top:5px;color:#ff69b4b3}.image-section{width:200px;flex-shrink:0}.image-preview{position:relative;width:100%;height:150px;border-radius:8px;overflow:hidden}.image-preview img{width:100%;height:100%;object-fit:cover}.remove-image-btn{position:absolute;top:8px;right:8px;width:24px;height:24px;background:#0009;color:#fff;border-radius:50%;font-size:12px;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s ease}.image-preview:hover .remove-image-btn{opacity:1}.remove-image-btn:hover{background:#e74c3ccc}.image-upload{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:150px;background:#0003;border:2px dashed rgba(255,255,255,.2);border-radius:8px;cursor:pointer;transition:all .3s ease}.image-upload:hover{border-color:#ff69b480;background:#ff69b41a}.image-upload input{display:none}.upload-hint{display:flex;flex-direction:column;align-items:center;gap:8px;color:#ffffff80;font-size:13px}.upload-icon{font-size:24px}.uploading{color:#ff69b4;font-size:13px}.content-section{flex:1;display:flex;flex-direction:column;gap:10px}.content-section textarea{flex:1;width:100%;padding:12px;background:#0000004d;border:1px solid rgba(255,255,255,.1);border-radius:8px;color:#fff;font-size:14px;resize:none;transition:border-color .3s ease}.content-section textarea:focus{border-color:#ff69b480;outline:none}.content-section textarea::placeholder{color:#ffffff4d}.layout-select{display:flex;align-items:center;gap:10px}.layout-select label{font-size:13px;color:#fff9}.layout-select select{padding:8px 12px;background:#0000004d;border:1px solid rgba(255,255,255,.1);border-radius:6px;color:#fff;font-size:13px;cursor:pointer}.layout-select select:focus{border-color:#ff69b480;outline:none}.delete-btn{width:40px;height:40px;background:transparent;color:#fff6;font-size:18px;border-radius:8px;transition:all .3s ease;align-self:flex-start}.delete-btn:hover{background:#e74c3c33;color:#e74c3c}@media (max-width: 600px){.memory-item{flex-wrap:wrap}.image-section{width:100%}.image-preview,.image-upload{height:200px}}@media (min-width: 601px) and (max-width: 900px){.memory-item{gap:12px;padding:12px}.drag-handle{width:35px}.image-section{width:180px}.image-preview,.image-upload{height:130px}.content-section textarea{font-size:13px;padding:10px}.layout-select select{padding:6px 10px;font-size:12px}}@media (max-width: 600px){.memory-item{flex-direction:column;gap:12px;padding:12px;border-radius:10px}.drag-handle{flex-direction:row;width:100%;height:auto;padding:8px 0;gap:10px;border-bottom:1px solid rgba(255,255,255,.1)}.handle-icon{font-size:16px}.item-index{margin-top:0;font-size:13px}.image-section{width:100%;order:1}.image-preview,.image-upload{height:180px;border-radius:8px}.remove-image-btn{opacity:.9;width:28px;height:28px;font-size:14px}.upload-hint{font-size:12px}.upload-icon{font-size:20px}.content-section{order:2;gap:10px}.content-section textarea{min-height:100px;padding:12px;font-size:14px;border-radius:8px}.layout-select{flex-direction:column;align-items:stretch;gap:6px}.layout-select label{font-size:12px}.layout-select select{padding:10px 12px;font-size:14px;border-radius:6px;width:100%}.delete-btn{order:0;align-self:flex-end;width:36px;height:36px;font-size:16px;position:absolute;top:10px;right:10px}.memory-item{position:relative}}@media (max-width: 375px){.memory-item{padding:10px}.image-preview,.image-upload{height:150px}.content-section textarea{min-height:80px;font-size:13px;padding:10px}.layout-select select{padding:8px 10px;font-size:13px}.delete-btn{width:32px;height:32px;font-size:14px}}@media (hover: none) and (pointer: coarse){.drag-handle{min-height:44px}.remove-image-btn{opacity:.9;min-width:36px;min-height:36px}.delete-btn{min-width:44px;min-height:44px}.layout-select select{min-height:44px}.content-section textarea{min-height:100px}.image-upload:hover{border-color:#fff3;background:#0003}.image-upload:active{border-color:#ff69b480;background:#ff69b41a}.delete-btn:hover{background:transparent;color:#fff6}.delete-btn:active{background:#e74c3c33;color:#e74c3c}}.admin-container{position:fixed;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#1a1a2e,#16213e);color:#fff;overflow-y:auto!important;overflow-x:hidden;-webkit-overflow-scrolling:touch}.admin-loading{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100vh;background:#1a1a2e}.admin-loading .spinner{width:50px;height:50px;border:3px solid rgba(255,105,180,.3);border-top-color:#ff69b4;border-radius:50%;animation:spin 1s linear infinite}.admin-loading p{margin-top:20px;color:#ffffffb3}@keyframes spin{to{transform:rotate(360deg)}}.admin-header{display:flex;justify-content:space-between;align-items:center;padding:20px 30px;background:#0000004d;border-bottom:1px solid rgba(255,255,255,.1)}.admin-header h1{font-size:24px;font-weight:500}.header-actions{display:flex;gap:15px}.preview-btn,.save-btn{padding:10px 25px;border-radius:8px;font-size:14px;font-weight:500;text-decoration:none;transition:all .3s ease}.preview-btn{background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2)}.preview-btn:hover{background:#fff3}.save-btn{background:linear-gradient(135deg,#ff69b4,#ff1493);color:#fff}.save-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 5px 20px #ff69b466}.save-btn:disabled{opacity:.6;cursor:not-allowed}.save-message{padding:15px 30px;text-align:center;font-size:14px;animation:slideDown .3s ease}.save-message.success{background:#2ecc7133;color:#2ecc71}.save-message.error{background:#e74c3c33;color:#e74c3c}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.admin-content{display:flex;gap:30px;padding:30px;max-width:1400px;margin:0 auto}.settings-panel{width:350px;flex-shrink:0;background:#0003;border-radius:12px;padding:25px;height:fit-content;position:sticky;top:30px}.settings-panel h2{font-size:18px;font-weight:500;margin-bottom:25px;padding-bottom:15px;border-bottom:1px solid rgba(255,255,255,.1)}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:14px;color:#ffffffb3;margin-bottom:8px}.form-group input[type=text],.form-group textarea{width:100%;padding:12px 15px;background:#0000004d;border:1px solid rgba(255,255,255,.1);border-radius:8px;color:#fff;font-size:14px;transition:border-color .3s ease}.form-group input[type=text]:focus,.form-group textarea:focus{border-color:#ff69b480;outline:none}.form-group input[type=file]{width:100%;padding:12px;background:#0000004d;border:1px dashed rgba(255,255,255,.2);border-radius:8px;color:#ffffffb3;cursor:pointer}.form-group input[type=file]:hover{border-color:#ff69b480}.music-preview{margin-top:10px;display:flex;align-items:center;gap:10px}.music-preview audio{flex:1;height:35px}.remove-btn{padding:8px 15px;background:#e74c3c33;color:#e74c3c;border-radius:6px;font-size:12px}.remove-btn:hover{background:#e74c3c4d}.memory-count{font-size:24px;font-weight:600;color:#ff69b4}.memories-panel{flex:1;min-width:0;display:flex;flex-direction:column;max-height:calc(100vh - 150px)}.panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.panel-header h2{font-size:18px;font-weight:500}.add-btn{padding:10px 20px;background:#ff69b433;color:#ff69b4;border-radius:8px;font-size:14px;border:1px solid rgba(255,105,180,.3)}.add-btn:hover{background:#ff69b44d}.empty-state{display:flex;justify-content:center;align-items:center;height:300px;background:#0003;border-radius:12px;border:2px dashed rgba(255,255,255,.1)}.empty-state p{color:#ffffff80;font-size:16px}.memories-list{display:flex;flex-direction:column;gap:15px;flex:1;overflow-y:auto;padding-right:10px}.memories-list::-webkit-scrollbar{width:8px}.memories-list::-webkit-scrollbar-track{background:#0003;border-radius:4px}.memories-list::-webkit-scrollbar-thumb{background:#ff69b466;border-radius:4px}.memories-list::-webkit-scrollbar-thumb:hover{background:#ff69b499}@media (max-width: 900px){.admin-content{flex-direction:column}.settings-panel{width:100%;position:static}}@media (min-width: 601px) and (max-width: 900px){.admin-container{position:fixed;overflow-y:auto!important;-webkit-overflow-scrolling:touch}.admin-header{padding:15px 20px}.admin-header h1{font-size:20px}.admin-content{padding:20px;gap:20px}.settings-panel{padding:20px}.memories-panel,.memories-list{max-height:none;overflow:visible}}@media (max-width: 600px){.admin-container{position:fixed;top:0;left:0;right:0;bottom:0;overflow-y:auto!important;overflow-x:hidden;-webkit-overflow-scrolling:touch}.admin-header{flex-direction:column;gap:15px;padding:15px;text-align:center}.admin-header h1{font-size:18px}.header-actions{width:100%;justify-content:center;gap:10px}.preview-btn,.save-btn{padding:10px 18px;font-size:13px;flex:1;text-align:center}.save-message{padding:12px 15px;font-size:13px}.admin-content{padding:15px;gap:15px}.settings-panel{padding:18px;border-radius:10px}.settings-panel h2{font-size:16px;margin-bottom:18px;padding-bottom:12px}.form-group{margin-bottom:15px}.form-group label{font-size:13px;margin-bottom:6px}.form-group input[type=text],.form-group textarea{padding:10px 12px;font-size:14px;border-radius:6px}.form-group input[type=file]{padding:10px;font-size:13px}.music-preview{flex-direction:column;align-items:stretch;gap:8px}.music-preview audio{width:100%;height:40px}.remove-btn{padding:8px 12px;font-size:12px;text-align:center}.memory-count{font-size:20px}.memories-panel{max-height:none;overflow:visible}.panel-header{flex-direction:column;gap:12px;align-items:stretch;margin-bottom:15px}.panel-header h2{font-size:16px;text-align:center}.add-btn{padding:12px 20px;font-size:14px;text-align:center}.empty-state{height:200px;border-radius:10px}.empty-state p{font-size:14px;padding:0 20px;text-align:center}.memories-list{gap:12px;padding-right:5px;max-height:none;overflow:visible}.memories-list::-webkit-scrollbar{width:6px}}@media (max-width: 375px){.admin-header h1{font-size:16px}.preview-btn,.save-btn{padding:8px 12px;font-size:12px}.admin-content{padding:10px}.settings-panel{padding:15px}.settings-panel h2{font-size:15px}.form-group input[type=text],.form-group textarea{padding:8px 10px;font-size:13px}}@media (max-height: 500px) and (orientation: landscape){.admin-container{position:fixed;overflow-y:auto!important;-webkit-overflow-scrolling:touch}.admin-header{padding:10px 20px}.admin-header h1{font-size:16px}.admin-content{padding:15px;flex-direction:row}.settings-panel{width:280px;max-height:none;overflow:visible}.memories-panel{max-height:none;overflow:visible}}@media (hover: none) and (pointer: coarse){.preview-btn,.save-btn,.add-btn,.remove-btn,.form-group input[type=text],.form-group textarea,.form-group input[type=file]{min-height:44px}.preview-btn:hover,.save-btn:hover:not(:disabled),.add-btn:hover{transform:none}.preview-btn:active,.add-btn:active{background:#ffffff40}.save-btn:active:not(:disabled){opacity:.8}}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;overflow:hidden;background:#000;font-family:Microsoft YaHei,PingFang SC,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html{touch-action:manipulation;-webkit-text-size-adjust:100%;text-size-adjust:100%}body{overscroll-behavior:none;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#0000004d}::-webkit-scrollbar-thumb{background:#ff69b480;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#ff69b4b3}::selection{background:#ff69b44d;color:#fff}button{font-family:inherit;cursor:pointer;border:none;outline:none;transition:all .3s ease}input,textarea{font-family:inherit;outline:none;border:1px solid rgba(255,255,255,.2);background:#00000080;color:#fff;padding:10px 15px;border-radius:8px;transition:border-color .3s ease}input:focus,textarea:focus{border-color:#ff69b480}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes glow{0%,to{box-shadow:0 0 20px #ff69b480}50%{box-shadow:0 0 40px #ff69b4cc}}.fade-in{animation:fadeIn .5s ease forwards}.slide-up{animation:slideUp .5s ease forwards}@media (hover: none) and (pointer: coarse){button,a,input[type=button],input[type=submit],select{min-height:44px;min-width:44px}*{-webkit-touch-callout:none}p,span,h1,h2,h3,h4,h5,h6,.memory-description,.letter-content,.final-message{-webkit-touch-callout:default;-webkit-user-select:text;user-select:text}}@media (max-width: 600px){::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-thumb{background:#ff69b466}}@media (max-height: 400px) and (orientation: landscape){html,body,#root{overflow-y:auto}}@media (-webkit-min-device-pixel-ratio: 2),(min-resolution: 192dpi){.memory-content,.envelope-body,.envelope-flap{border-width:.5px}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}