:root{--primary-blue: rgb(0, 161, 233);--header-bg: rgb(0, 80, 120);--primary-orange: rgb(232, 122, 22);--blue-light: rgba(0, 161, 233, .6);--blue-lighter: rgba(0, 161, 233, .1);--orange-light: rgba(232, 122, 22, .8);--orange-lighter: rgba(232, 122, 22, .1);--gray-dark: #333333;--gray: #666666;--gray-light: #f5f5f5;--white: #ffffff}*{margin:0;padding:0;box-sizing:border-box}html,body,#app{height:100%;margin:0;padding:0}body{font-family:Microsoft YaHei,SimHei,sans-serif;line-height:1.6;color:var(--gray-dark);background-color:var(--gray-light);display:flex;flex-direction:column;min-height:100vh}.wrap{width:100%;margin:0 auto;padding:0 20px}#app{display:flex;flex-direction:column}#top{background:var(--header-bg);padding:15px 5%;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow);position:relative}#LOGO{width:70px;height:auto;margin-right:20px}#top_title{color:var(--white);flex:1}#top_title h1,#top_title h2{margin:0}#top_title a{color:var(--white);text-decoration:none}#Ch_School{font-size:24px;margin-bottom:5px}#En_School{font-size:16px;font-weight:400;opacity:.9}#award_title{text-align:right;color:var(--white);flex:1}#award_title h1{font-size:22px;margin:0;text-shadow:1px 1px 3px rgba(0,0,0,.3);font-weight:700;letter-spacing:1px}#nav{background:var(--header-bg);border-top:2px solid rgba(255,255,255,.1);padding:0 5%}#nav ul{display:flex;list-style:none;justify-content:center;flex-wrap:wrap}#nav li{position:relative}#nav a{display:block;padding:15px 16px;color:var(--white);text-decoration:none;font-weight:500;transition:background-color .3s}#nav a:hover{background-color:var(--blue-light)}.nav_current a{background-color:var(--primary-orange)}.nav_current a:hover{background-color:var(--orange-light)}.separator{color:#ffffff4d;padding:15px 5px;pointer-events:none}#central{padding:40px 3%;background-color:var(--white);flex:1;min-height:65vh;display:flex;flex-direction:column;justify-content:center}#central h1{text-align:center;color:var(--primary-blue);margin-bottom:30px;font-size:32px;line-height:1.3}.content-wrapper{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:stretch;gap:30px;max-width:1400px;margin:0 auto;width:100%}.video-container{flex:1.2;min-width:300px;position:relative;margin-bottom:20px}.video-wrapper{position:relative;width:100%;overflow:hidden;border-radius:8px;box-shadow:var(--shadow);background-color:#000;display:flex;justify-content:center;align-items:center}.video-wrapper video{width:100%;height:auto;display:block;border-radius:8px;transition:box-shadow .3s}.video-wrapper video:hover{box-shadow:var(--shadow-hover)}#introVideo{width:100%;height:auto;max-height:480px;display:block;border-radius:8px;transition:box-shadow .3s}#introVideo:hover{box-shadow:var(--shadow-hover)}#introVideo::-webkit-media-controls-panel{background:linear-gradient(transparent,#000000b3)}#introVideo::-webkit-media-controls-play-button,#introVideo::-webkit-media-controls-mute-button{background-color:var(--primary-orange);border-radius:50%}.video-loading{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;background-color:#000000b3;color:var(--white);z-index:10}.loading-spinner{width:40px;height:40px;border:4px solid rgba(255,255,255,.3);border-radius:50%;border-top:4px solid var(--primary-orange);animation:spin 1s linear infinite;margin-bottom:15px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.video-loading p{font-size:16px;margin:0}.partners{flex:.8;min-width:300px;display:flex;flex-direction:column;justify-content:center;background-color:var(--blue-lighter);padding:20px;border-radius:8px;border-left:5px solid var(--primary-orange)}.partners h2{color:var(--primary-blue);margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid var(--orange-lighter);text-align:center}.partners ul{list-style:none;display:flex;flex-wrap:wrap;justify-content:space-around;gap:15px}.partners ul.vertical-layout{display:flex;flex-direction:column;gap:15px}.partners ul.vertical-layout li{width:100%;min-width:auto}.partners ul.grid-layout{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.partners ul.grid-layout.odd-last li:last-child{grid-column:span 2}.partners li{background-color:var(--white);border-left:4px solid var(--primary-orange);border-radius:0 4px 4px 0;padding:15px;transition:transform .2s,box-shadow .2s;text-align:center;list-style:none}.partners li:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}.partners a{color:var(--primary-blue);text-decoration:none;font-weight:500;display:block;width:100%;height:100%}.partners a:hover{color:var(--primary-orange)}#central_pdf{flex:1;display:flex;flex-direction:column;background-color:var(--white);min-height:0;overflow:hidden}#central_pdf iframe{flex:1;width:100%;border:none;display:block}#pdf{border:none;border-radius:8px;box-shadow:var(--shadow);flex:1;width:100%}#central_text{flex:1;padding:30px 5%;background-color:var(--white)}#central_text h1{text-align:center;color:var(--primary-blue);margin-bottom:30px;font-size:40px;padding-bottom:15px;border-bottom:2px solid var(--orange-lighter)}.text-content{max-width:1000px;margin:0 auto;line-height:1.8;font-size:22px}.text-content p{margin-bottom:20px;text-indent:2em;text-align:justify}#bottom{background:var(--header-bg);padding:20px 5%;color:var(--white);text-align:center}#bottom h1{margin:5px 0;font-size:14px;font-weight:400}#bottom a{color:var(--white);text-decoration:none;transition:opacity .2s}#bottom a:hover{opacity:.8;text-decoration:underline}#viewer-container{position:relative;width:100%;height:100%;padding:0 5%;display:flex;flex-direction:column;align-items:center;box-sizing:border-box}.pdfViewer{width:100%;max-width:1200px;height:100%;display:flex;flex-direction:column;align-items:center;position:relative;overflow:auto;padding:10px 0}.pdfViewer .page{margin:15px auto;box-shadow:var(--shadow);border:1px solid #ddd;max-width:100%}.toolbar{position:sticky;top:0;background-color:var(--white);padding:10px 15px;display:flex;align-items:center;justify-content:center;gap:8px;border:1px solid #e0e0e0;border-radius:6px;box-shadow:0 2px 8px #0000001a;margin:10px 0 15px;width:60%;height:auto;min-height:40px;flex-wrap:wrap;z-index:100}.toolbar .toolbarButton{background-color:var(--white);border:1px solid #ddd;color:var(--primary-blue);cursor:pointer;padding:6px 10px;border-radius:4px;transition:all .2s;font-size:14px;display:flex;align-items:center;justify-content:center;min-width:36px}.toolbar .toolbarButton:hover{background-color:var(--blue-lighter);border-color:var(--primary-blue)}.toolbar .divider{width:1px;height:20px;background-color:#e0e0e0;margin:0 5px}.toolbar .pageNumber{background-color:var(--white);color:var(--gray-dark);border:1px solid #ddd;border-radius:4px;padding:5px 8px;width:50px;text-align:center;font-size:14px}.toolbar .pageLabel{font-size:14px;color:var(--gray);margin:0 5px}.pdf-loading{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;color:var(--gray);z-index:10}.loading-spinner{width:40px;height:40px;border:4px solid rgba(30,104,133,.3);border-radius:50%;border-top:4px solid var(--primary-blue);animation:spin 1s linear infinite;margin:0 auto 15px}.pdf-error{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;color:#d32f2f;background-color:#ffebee;padding:25px;border-radius:8px;max-width:80%;box-shadow:var(--shadow)}@media(max-width:1024px){#award_title h1{font-size:20px}.toolbar{width:80%}}@media(max-width:900px){#award_title h1{font-size:18px}}@media(max-width:768px){#top{flex-direction:column;text-align:center;padding:15px 3%}#LOGO{margin-right:0;margin-bottom:10px}#top_title,#award_title{text-align:center;margin-bottom:10px}#award_title h1{font-size:18px;margin-top:10px}#nav ul{flex-direction:column}#nav li{width:100%;text-align:center}.separator{display:none}.content-wrapper{flex-direction:column}#central h1{font-size:24px}.video-wrapper{padding-top:0}#central_pdf{min-height:60vh;padding:15px 2%}#pdf{min-height:400px;max-width:100%}#central_text{padding:25px 4%}#central_text h1{font-size:24px}.text-content{font-size:15px}.partners ul{flex-direction:column}.partners li{min-width:100%}#viewer-container{padding:0 3%}.toolbar{width:95%;padding:8px 10px}.toolbar .toolbarButton{padding:5px 8px;font-size:12px;min-width:32px}.toolbar .pageNumber{width:40px;padding:4px 6px}.toolbar .pageLabel{font-size:12px}}@media(max-width:480px){#award_title h1{font-size:16px}#Ch_School{font-size:20px}#En_School,.video-loading p{font-size:14px}.toolbar{gap:5px}.toolbar .divider{margin:0 3px}.toolbar .toolbarButton{padding:4px 6px;min-width:30px}.pdfViewer .page{margin:10px auto}}