:root{--primary-color: #004488;--secondary-color: #e60012;--text-main: #333333;--text-light: #666666;--bg-light: #f8f9fa;--white: #ffffff;--border-color: #e0e0e0;--shadow: 0 4px 12px rgba(0, 0, 0, .08);--transition: all .3s ease}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:PingFang SC,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;color:var(--text-main);line-height:1.6;background-color:var(--white)}a{text-decoration:none;color:inherit}ul{list-style:none}.container{max-width:1200px;margin:0 auto;padding:0 20px}.header{background-color:var(--white);box-shadow:0 2px 10px #0000001a;position:fixed;top:0;left:0;width:100%;z-index:1000;height:70px}.header-inner{display:flex;justify-content:space-between;align-items:center;height:100%}.logo{font-size:24px;font-weight:700;color:var(--primary-color);display:flex;align-items:center;gap:10px}.nav ul{display:flex;gap:30px;align-items:center}.nav a{font-size:16px;font-weight:500;color:var(--text-main);transition:var(--transition);position:relative;padding-bottom:5px}.nav a:hover,.nav a.active{color:var(--primary-color)}.nav a:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background-color:var(--primary-color);transition:var(--transition)}.nav a:hover:after,.nav a.active:after{width:100%}.nav-btn{padding:8px 20px;font-size:15px;margin-left:10px}.hero{margin-top:70px;height:600px;background:linear-gradient(#002244b3,#024c),url(https://images.unsplash.com/photo-1579829366248-204fe8413f31?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80) center/cover no-repeat;color:var(--white);display:flex;align-items:center;justify-content:center;text-align:center;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;bottom:0;left:0;width:100%;height:150px;background:linear-gradient(to top,var(--white),transparent);z-index:1}.hero-content{position:relative;z-index:2;animation:fadeIn 1.2s ease-out;max-width:900px;padding:0 20px}.hero h1{font-size:56px;margin-bottom:25px;letter-spacing:4px;font-weight:800;text-shadow:0 4px 10px rgba(0,0,0,.5)}.hero p{font-size:28px;margin-bottom:15px;font-weight:400;text-shadow:0 2px 5px rgba(0,0,0,.5)}.hero .subtitle{font-size:20px;opacity:.9;margin-bottom:45px;font-weight:300;letter-spacing:1px}.btn{display:inline-block;padding:12px 30px;border-radius:30px;font-size:18px;font-weight:700;cursor:pointer;transition:var(--transition);border:none}.btn-primary{background:linear-gradient(135deg,var(--secondary-color),#ff3344);color:var(--white);box-shadow:0 6px 20px #e6001266;border:2px solid transparent}.btn-primary:hover{background:linear-gradient(135deg,#cc0010,#e60012);transform:translateY(-3px);box-shadow:0 8px 25px #e6001299}.btn-outline{background-color:transparent;color:var(--white);border:2px solid var(--white);margin-left:15px}.btn-outline:hover{background-color:var(--white);color:var(--primary-color);transform:translateY(-3px)}.section{padding:80px 0}.bg-light{background-color:var(--bg-light)}.section-title{font-size:32px;color:var(--primary-color);margin-bottom:40px;text-align:center;position:relative;padding-bottom:15px}.section-title:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:60px;height:3px;background-color:var(--secondary-color)}.about-content{max-width:900px;margin:0 auto;font-size:18px;color:var(--text-light);text-align:justify}.about-content p{margin-bottom:20px;text-indent:2em}.org-cards{display:flex;justify-content:center;gap:40px;flex-wrap:wrap}.org-card{background-color:var(--white);padding:40px;border-radius:10px;box-shadow:var(--shadow);text-align:center;flex:1;min-width:300px;max-width:400px;transition:var(--transition);border-top:4px solid var(--primary-color)}.org-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px #0000001a}.org-card i{font-size:40px;color:var(--primary-color);margin-bottom:20px}.org-card h3{font-size:22px;margin-bottom:15px;color:var(--text-main)}.org-card p{font-size:16px;color:var(--text-light);margin-bottom:5px}.tabs{display:flex;justify-content:center;gap:15px;margin-bottom:40px;flex-wrap:wrap}.tab-btn{padding:12px 25px;font-size:16px;font-weight:700;background-color:var(--white);color:var(--text-main);border:1px solid var(--border-color);border-radius:30px;cursor:pointer;transition:var(--transition)}.tab-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.tab-btn.active{background-color:var(--primary-color);color:var(--white);border-color:var(--primary-color);box-shadow:0 4px 10px #0044884d}.tab-content{display:none;animation:fadeIn .5s ease}.tab-content.active{display:block}.competition-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:30px}.comp-card{background-color:var(--white);padding:30px;border-radius:10px;box-shadow:var(--shadow);transition:var(--transition);cursor:pointer;border:1px solid transparent;display:flex;flex-direction:column;height:100%}.comp-card:hover{transform:translateY(-5px);box-shadow:0 10px 20px #0000001a;border-color:var(--primary-color)}.comp-icon{width:60px;height:60px;background-color:#0044881a;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--primary-color);margin-bottom:20px}.comp-card h3{font-size:20px;margin-bottom:15px;color:var(--text-main)}.comp-card p{font-size:14px;color:var(--text-light);margin-bottom:20px;flex-grow:1}.read-more{font-size:14px;color:var(--primary-color);font-weight:700;display:flex;align-items:center;gap:5px}.comp-card:hover .read-more i{transform:translate(5px);transition:transform .3s ease}.footer{background-color:#1a1a1a;color:#999;padding:40px 0;text-align:center}.footer p{margin-bottom:10px}.floating-buttons{position:fixed;bottom:40px;right:40px;display:flex;flex-direction:column;gap:15px;z-index:999}.float-btn{width:50px;height:50px;border-radius:50%;border:none;color:var(--white);font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 15px #0003;transition:var(--transition)}.wechat-btn{background-color:#07c160}.wechat-btn:hover{background-color:#06ad56;transform:scale(1.1)}.top-btn{background-color:var(--primary-color);opacity:0;visibility:hidden;transform:translateY(20px)}.top-btn.visible{opacity:1;visibility:visible;transform:translateY(0)}.top-btn:hover{background-color:#036}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#0009;display:flex;align-items:center;justify-content:center;z-index:2000;opacity:0;visibility:hidden;transition:var(--transition);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.modal-overlay.active{opacity:1;visibility:visible}.close-btn{position:absolute;top:15px;right:15px;background:none;border:none;font-size:24px;color:#999;cursor:pointer;transition:color .3s}.close-btn:hover{color:var(--text-main)}.wechat-modal-content{background-color:var(--white);width:90%;max-width:400px;border-radius:16px;padding:40px 30px;text-align:center;position:relative;transform:scale(.9);transition:transform .3s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 20px 40px #0003}.modal-overlay.active .wechat-modal-content{transform:scale(1)}.wechat-header{margin-bottom:25px}.wechat-icon-large{font-size:60px;color:#07c160;margin-bottom:15px}.wechat-header h3{font-size:24px;color:var(--text-main)}.wechat-desc{color:var(--text-light);font-size:15px;margin-bottom:25px}.wechat-id-box{background-color:#f5f5f5;padding:15px;border-radius:8px;margin-bottom:20px;font-size:18px}.wechat-label{color:var(--text-light)}.wechat-id{font-weight:700;color:var(--text-main);letter-spacing:1px}.copy-btn{width:100%;padding:12px;background-color:#07c160;color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:700;cursor:pointer;transition:background-color .3s;margin-bottom:15px;display:flex;align-items:center;justify-content:center;gap:8px}.copy-btn:hover{background-color:#06ad56}.copy-btn.copied{background-color:#048}.wechat-tip{font-size:13px;color:#888;display:flex;align-items:center;justify-content:center;gap:5px}.rule-modal-content{background-color:var(--white);width:90%;max-width:800px;height:80vh;border-radius:12px;position:relative;transform:translateY(20px);transition:transform .3s ease;display:flex;flex-direction:column}.modal-overlay.active .rule-modal-content{transform:translateY(0)}.rule-modal-body{padding:40px;overflow-y:auto;flex-grow:1}.rule-modal-body h2{color:var(--primary-color);margin-bottom:20px;border-bottom:2px solid var(--border-color);padding-bottom:10px}.rule-modal-body h3{color:var(--text-main);margin:25px 0 15px;font-size:18px}.rule-modal-body p{color:var(--text-light);margin-bottom:15px;line-height:1.8}.rule-modal-body ul{list-style-type:disc;padding-left:20px;margin-bottom:15px;color:var(--text-light)}.rule-modal-body li{margin-bottom:8px}.fee-container{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:30px}.fee-card{background:var(--white);border-radius:12px;padding:30px;box-shadow:var(--shadow);border-top:4px solid var(--primary-color);transition:var(--transition)}.fee-card.highlight-card{border-top:4px solid var(--secondary-color);transform:scale(1.02)}.fee-card:hover{box-shadow:0 10px 25px #0000001a}.fee-header{display:flex;align-items:center;gap:15px;margin-bottom:20px;color:var(--primary-color)}.highlight-card .fee-header{color:var(--secondary-color)}.fee-header i{font-size:24px}.fee-header h3{font-size:22px}.fee-body p{font-size:16px;color:var(--text-light);margin-bottom:15px}.fee-body p strong{color:var(--text-main)}.fee-body .intro-text{font-size:18px;color:var(--text-main);font-weight:500;margin-bottom:20px}.fee-body .intro-text strong{color:var(--secondary-color)}.fee-body .sub-title{font-weight:700;color:var(--text-main);margin-bottom:15px}.service-list{margin-bottom:25px}.service-list li{display:flex;gap:15px;margin-bottom:15px;align-items:flex-start}.service-list li i{color:#52c41a;font-size:20px;margin-top:3px}.service-list li div{flex:1}.service-list li strong{color:var(--text-main);display:block;margin-bottom:5px}.service-list li span{color:var(--text-light);font-size:15px}.summary-box{background-color:#e600120d;border-left:4px solid var(--secondary-color);padding:15px 20px;border-radius:0 8px 8px 0;color:var(--secondary-color);font-weight:500;font-size:16px}.cta-wrapper{text-align:center;margin-top:20px}.btn-large{padding:15px 40px;font-size:20px;border-radius:40px;box-shadow:0 6px 20px #e6001266;animation:pulse 2s infinite}@keyframes pulse{0%{box-shadow:0 0 #e6001266}70%{box-shadow:0 0 0 15px #e6001200}to{box-shadow:0 0 #e6001200}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.header-inner{flex-direction:column;justify-content:center;gap:10px}.header{height:auto;padding:15px 0}.hero{margin-top:100px;height:400px}.hero h1{font-size:32px}.hero p{font-size:18px}.nav ul{gap:15px}.floating-buttons{bottom:20px;right:20px}.rule-modal-body{padding:20px}}