#app{min-height:100vh}.maintenance-modal[data-v-705ac7ce]{position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center}.maintenance-modal-content[data-v-705ac7ce]{background-color:#fff;padding:30px;border-radius:8px;max-width:500px;width:90%;box-shadow:0 4px 20px rgba(0,0,0,.2)}.maintenance-modal-content h3[data-v-705ac7ce]{color:#e74c3c;margin-top:0;margin-bottom:20px;text-align:center;font-size:22px}.maintenance-message[data-v-705ac7ce]{margin-bottom:25px;line-height:1.6}.maintenance-message p[data-v-705ac7ce]{margin-bottom:15px}.modal-email-link[data-v-705ac7ce]{color:#3498db;text-decoration:none;font-weight:700}.modal-email-link[data-v-705ac7ce]:hover{text-decoration:underline}.maintenance-close-btn[data-v-705ac7ce]{display:block;width:100%;padding:12px;background-color:#3498db;color:#fff;border:none;border-radius:4px;font-size:16px;cursor:pointer;transition:background-color .3s}.maintenance-close-btn[data-v-705ac7ce]:hover{background-color:#2980b9}.disabled-btn[data-v-705ac7ce]{pointer-events:none;opacity:.5;cursor:not-allowed}.disabled-video[data-v-705ac7ce]{opacity:.7;cursor:not-allowed}.video-block-overlay[data-v-705ac7ce]{position:absolute;top:0;left:0;width:100%;height:100%;z-index:10;background-color:rgba(0,0,0,.1);cursor:not-allowed}.beian-section[data-v-705ac7ce]{background-color:#f8f9fa;padding:20px 0;margin-top:40px;border-top:1px solid #e9ecef;text-align:center}.beian-content[data-v-705ac7ce]{max-width:1200px;margin:0 auto;padding:0 20px}.beian-content p[data-v-705ac7ce]{margin:0;font-size:14px;color:#6c757d}.beian-link[data-v-705ac7ce]{color:#6c757d;text-decoration:none;transition:color .3s ease}.beian-link[data-v-705ac7ce]:hover{color:#495057;text-decoration:underline}.download-page[data-v-af9b393c]{min-height:100vh;padding:60px 0;background:linear-gradient(135deg,rgba(74,144,226,.1),rgba(66,185,131,.1))}.download-card[data-v-af9b393c]{background:var(--white);border-radius:20px;padding:40px;box-shadow:0 15px 35px rgba(0,0,0,.1);max-width:800px;margin:0 auto;position:relative;overflow:hidden}.download-card[data-v-af9b393c]:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary-color),var(--accent-color))}.product-title[data-v-af9b393c]{font-size:2.5rem;color:var(--secondary-color);text-align:center;margin-bottom:30px;line-height:1.4}.highlight[data-v-af9b393c]{color:var(--primary-color);font-weight:700;font-size:3rem;display:block;margin-bottom:10px}.version-info[data-v-af9b393c]{display:flex;justify-content:center;gap:20px;margin-bottom:40px;flex-wrap:wrap}.system-tag[data-v-af9b393c],.version-tag[data-v-af9b393c]{background:var(--light-gray);padding:8px 16px;border-radius:20px;font-size:1rem;color:var(--secondary-color)}.features-section[data-v-af9b393c]{margin-bottom:40px}.features-section h2[data-v-af9b393c]{color:var(--secondary-color);font-size:1.5rem;margin-bottom:20px}.feature-list[data-v-af9b393c]{list-style:none;padding:0;margin:0}.feature-list li[data-v-af9b393c]{position:relative;padding-left:30px;margin-bottom:15px;color:var(--secondary-color);font-size:1.1rem}.feature-list li[data-v-af9b393c]:before{content:"✓";position:absolute;left:0;color:var(--accent-color);font-weight:700}.download-section[data-v-af9b393c]{text-align:center;margin-top:40px}.download-button[data-v-af9b393c]{display:inline-flex;align-items:center;gap:10px;background:var(--primary-color);color:var(--white);padding:15px 40px;border-radius:30px;text-decoration:none;font-size:1.2rem;font-weight:600;transition:all .3s ease;box-shadow:0 4px 15px rgba(74,144,226,.3)}.download-button[data-v-af9b393c]:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(74,144,226,.4);background:var(--accent-color)}.download-button .icon[data-v-af9b393c]{font-size:1.4rem}@media (max-width:768px){.download-page[data-v-af9b393c]{padding:30px 15px}.download-card[data-v-af9b393c]{padding:30px 20px}.product-title[data-v-af9b393c]{font-size:2rem}.highlight[data-v-af9b393c]{font-size:2.5rem}.version-info[data-v-af9b393c]{flex-direction:column;align-items:center;gap:10px}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color:#4a90e2;--secondary-color:#2c3e50;--accent-color:#42b983;--text-color:#333;--light-gray:#f5f7fa;--white:#fff}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6;color:var(--text-color);background-color:var(--light-gray);margin:0;padding:0;overflow-x:hidden}.app-container{min-height:100vh;width:100%;overflow-x:hidden}.container{width:100%;max-width:1000px;margin:0 auto;padding:0 20px}.hero-section{width:1000px;margin:0 auto;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:var(--white);padding:80px 0;margin-bottom:60px;text-align:center;border-radius:20px}.hero-section .container{position:relative;width:100%;max-width:700px;margin:0 auto;padding:0 20px}.main-title{font-size:2.5rem;font-weight:700;margin-bottom:30px;animation:fadeInUp .8s ease-out}.feature-list{margin:30px 0}.feature-item{font-size:1.1rem;margin:10px 0;opacity:.9}.download-section{margin-top:40px}.download-btn{display:inline-flex;align-items:center;background-color:var(--accent-color);color:var(--white);padding:15px 40px;border-radius:30px;text-decoration:none;font-weight:600;transition:all .3s ease;box-shadow:0 4px 15px rgba(66,185,131,.3)}.download-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(66,185,131,.4)}.btn-text{margin-right:10px}.btn-icon{font-size:1.2em;transition:transform .3s ease}.download-btn:hover .btn-icon{transform:translateX(5px)}.section-title{font-size:2rem;color:var(--secondary-color);margin-bottom:30px;text-align:center;position:relative}.section-title:after{content:"";display:block;width:60px;height:3px;background-color:var(--accent-color);margin:15px auto}.intro-section{background-color:var(--white);padding:60px 40px;border-radius:20px;box-shadow:0 15px 35px rgba(0,0,0,.1);margin-bottom:60px;position:relative;overflow:hidden;border:1px solid rgba(74,144,226,.1);transition:transform .3s ease,box-shadow .3s ease}.intro-section:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(74,144,226,.05),rgba(66,185,131,.05));z-index:0}.intro-section:after{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary-color),var(--accent-color))}.intro-section:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(0,0,0,.15)}.intro-content{position:relative;z-index:1;max-width:800px;margin:0 auto}.intro-content p{font-size:1.1rem;line-height:1.8;color:var(--secondary-color);text-align:justify;margin:0;padding:20px;background:hsla(0,0%,100%,.8);border-radius:15px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:relative;border:3px solid var(--primary-color)}.intro-content p:before{content:"";position:absolute;inset:-3px;border:3px dashed var(--accent-color);border-radius:15px;animation:borderRotate 50s linear infinite;pointer-events:none;opacity:.9}@keyframes borderRotate{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@media (max-width:768px){.intro-section{padding:40px 20px}.intro-content p{font-size:1rem;padding:15px}}.showcase-container{margin:2rem auto;text-align:center;max-width:1600px;padding:0 20px}.showcase-image{width:100%;margin:0 auto;border-radius:8px;overflow:hidden;box-shadow:0 4px 6px rgba(0,0,0,.1);display:inline-block}.feature-image{width:100%;height:auto;display:block;margin:0 auto;transition:transform .3s ease}.feature-image:hover{transform:scale(1.02)}.image-placeholder{background-color:var(--light-gray);height:400px;display:flex;align-items:center;justify-content:center;color:#666;font-size:1.2rem}.contact-section{background-color:var(--white);padding:40px 30px;border-radius:15px;margin:40px auto;text-align:center;box-shadow:0 10px 30px rgba(0,0,0,.05);position:relative;overflow:hidden;width:920px;height:300px}.contact-section:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary-color),var(--accent-color))}.contact-content{max-width:600px;margin:0 auto;padding:20px}.contact-content p{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;font-size:1.1rem;line-height:1.8;color:var(--secondary-color)}.contact-label{display:inline-block;padding:6px 16px;margin:0 6px;background-color:var(--light-gray);border-radius:20px;font-size:.95rem;color:var(--secondary-color);transition:all .3s ease}.contact-label:hover{background-color:var(--primary-color);color:var(--white);transform:translateY(-2px)}.email-link{display:inline-flex;align-items:center;color:var(--primary-color);text-decoration:none;font-weight:600;padding:8px 20px;border:2px solid var(--primary-color);border-radius:25px;transition:all .3s ease;margin-left:10px;margin-top:20px;height:35px}.email-link:hover{color:var(--white);background-color:var(--primary-color);transform:translateY(-2px);box-shadow:0 4px 15px rgba(74,144,226,.3)}.email-link:before{content:"✉";margin-right:8px;font-size:1.2em}footer.contact-section:last-child{margin-top:0;padding-top:20px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width:768px){.main-title{font-size:2rem}.hero-section{padding:60px 0}.download-btn{padding:12px 30px}.image-placeholder{height:300px}}@media (max-width:1680px){.showcase-container{max-width:90%}}@media (max-width:768px){.showcase-container{padding:0 15px}}.friend-links{display:flex;justify-content:center;gap:12px;flex-wrap:nowrap;margin:20px 0;width:100%}.friend-link{color:var(--secondary-color);text-decoration:none;transition:color .3s ease;font-size:1rem;position:relative;padding:5px 10px;border-radius:20px;background-color:var(--light-gray);white-space:nowrap}.friend-link:hover{color:var(--primary-color);background-color:rgba(74,144,226,.1)}.video-section{margin-bottom:60px}.video-container{margin:40px auto;max-width:1920px;width:100%;padding:0 20px}.video-wrapper{position:relative;width:100%;cursor:pointer}.feature-video{width:100%;height:auto;border-radius:15px;transition:transform .3s ease;box-shadow:0 8px 20px rgba(74,144,226,.2)}.custom-play-button{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background-color:rgba(66,185,131,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;z-index:9999}.custom-play-button span{color:#fff;font-size:30px;margin-left:5px}.custom-play-button:hover{transform:translate(-50%,-50%) scale(1.1);background-color:var(--accent-color);box-shadow:0 0 30px rgba(66,185,131,.5)}.control-buttons{position:absolute;bottom:60px;left:20px;display:flex;gap:20px;z-index:3}.control-button{width:40px;height:40px;background-color:rgba(66,185,131,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease}.control-button span{color:#fff;font-size:20px}.control-button:hover{transform:scale(1.1);background-color:var(--accent-color);box-shadow:0 0 30px rgba(66,185,131,.5)}.pause-button{background-color:rgba(66,185,131,.9)}.video-controls{position:absolute;bottom:0;left:0;right:0;background:transparent!important;padding:10px 20px;opacity:0;transition:opacity .2s ease;border-radius:0 0 15px 15px}.video-wrapper:hover .video-controls{opacity:1}.progress-bar{position:absolute;bottom:0;left:0;right:0;width:100%;height:8px;background:hsla(0,0%,50.2%,.5);cursor:pointer;margin:0;border-radius:0 0 15px 15px;z-index:2}.progress{height:100%;background-color:var(--accent-color);border-radius:0 0 0 15px;transition:width .1s linear}.progress-bar:hover{height:8px}.progress-bar:hover .progress{background-color:var(--primary-color)}.controls-bottom{display:flex;justify-content:space-between;align-items:center;color:#fff;font-size:14px;margin-bottom:10px;padding:0 5px}.time-display{font-family:monospace;padding:4px 8px;background:rgba(0,0,0,.5);border-radius:4px}.fullscreen-button{width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;background:rgba(0,0,0,.5);border-radius:50%;transition:all .3s ease}.fullscreen-button:hover{background:var(--accent-color);transform:scale(1.1)}.fullscreen-button span{font-size:18px;color:#fff}@media (max-width:768px){.video-container{padding:0 15px}.feature-video{border-radius:8px}.custom-play-button{width:50px;height:50px}.custom-play-button span{font-size:24px}.video-controls{padding:10px}.controls-bottom{font-size:12px}.fullscreen-button{width:28px;height:28px}.fullscreen-button span{font-size:16px}.control-buttons{bottom:50px;left:15px}.control-button{width:36px;height:36px}.control-button span{font-size:18px}}.feature-video:fullscreen{background:#000!important}.feature-video::-webkit-media-controls,.feature-video:fullscreen::-webkit-media-controls{display:none!important}.feature-video:fullscreen::-webkit-media-controls-enclosure,.feature-video:fullscreen::-webkit-media-controls-overlay-enclosure,.feature-video:fullscreen::-webkit-media-controls-panel,.feature-video:fullscreen::-webkit-media-controls-top-bar,.feature-video:fullscreen::-webkit-media-controls-top-bar-container{display:none!important;opacity:0!important;pointer-events:none!important}.feature-video::-moz-media-controls{display:none!important}.feature-video:-webkit-full-screen+.video-controls,.feature-video:fullscreen+.video-controls{background:transparent!important;z-index:2147483647}.announcement-sidebar{position:fixed;top:20px;right:20px;width:250px;background:linear-gradient(135deg,#f6f9fc,#fff);padding:15px;box-shadow:0 10px 25px rgba(0,0,0,.08),0 2px 5px rgba(0,0,0,.05);border-radius:12px;z-index:1000;max-height:70vh;overflow-y:auto;transition:all .3s ease;min-height:100px;backface-visibility:hidden;color:#2c3e50;border:1px solid rgba(226,232,240,.8)}@media (max-width:768px){.announcement-sidebar{position:static;width:auto;margin:20px;max-height:none}}.announcement-sidebar h3{font-size:1.2rem;margin-bottom:12px;text-align:center;color:#1a365d;font-weight:600;letter-spacing:.5px}.announcement-sidebar .announcement-content{display:flex;flex-direction:column;justify-content:center;height:100%}.announcement-sidebar .announcement-content p{font-size:.9rem;margin-bottom:12px;line-height:1.6;color:#4a5568;display:flex;align-items:center;flex-wrap:wrap}.announcement-sidebar .trust-notice{border:1px solid rgba(66,153,225,.2);border-radius:8px;padding:10px 14px;color:#2b6cb0;background:linear-gradient(135deg,#ebf8ff,#f0f9ff);margin:10px 0;font-weight:500}.announcement-sidebar .sidebar-email-link:hover{opacity:1;text-decoration:none;background-color:#ebf8ff;color:#2c5282}.announcement-sidebar .sidebar-email-link:focus{outline:none;background-color:#ebf8ff}.announcement-sidebar .close-button{position:absolute;top:12px;left:12px;width:24px;height:24px;border:none;background:none;font-size:18px;cursor:pointer;color:#718096;display:flex;align-items:center;justify-content:center;padding:0;border-radius:50%;transition:all .2s ease}.announcement-sidebar .close-button:hover{background-color:rgba(113,128,150,.1);color:#4a5568}.announcement-sidebar .close-button:focus{outline:none;background-color:rgba(113,128,150,.1)}.announcement-sidebar::-webkit-scrollbar{width:6px;background-color:transparent}.announcement-sidebar::-webkit-scrollbar-thumb{background-color:rgba(113,128,150,.2);border-radius:3px}.announcement-sidebar::-webkit-scrollbar-thumb:hover{background-color:rgba(113,128,150,.3)}.announcement-sidebar .sidebar-email-link{font-size:.85rem;display:inline-block;text-align:center;margin:5px auto;text-decoration:none;transition:all .2s ease;color:#3182ce;font-weight:500;padding:2px 8px;border-radius:4px}