*{box-sizing:border-box;margin:0;padding:0}body{color:#111;-webkit-font-smoothing:antialiased;background-color:#e0e0e0;font-family:Helvetica Neue,Helvetica,Arial,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6}.page-wrapper{background-color:#fff;border:1px solid #111;max-width:1000px;margin:40px auto}h1,h2,h3{text-transform:uppercase;letter-spacing:1.5px;font-weight:700}h1{margin-bottom:5px;font-size:2.5rem;line-height:1.2}h2{border-bottom:1px solid #111;margin-bottom:20px;padding-bottom:10px;font-size:1rem}h3{margin-bottom:10px;font-size:1.1rem}p{color:#444;font-size:.95rem}.grid-section{border-bottom:1px solid #111;padding:40px}.grid-section:last-child{border-bottom:none}.header{background-color:#f5f5f5;justify-content:space-between;align-items:flex-end;display:flex}.header-right{color:#111;text-transform:uppercase;font-size:.85rem;font-weight:600}.main-grid{display:flex}@media (width<=768px){.main-grid{flex-direction:column}}.sidebar{border-bottom:none;border-right:1px solid #111;flex:1}@media (width<=768px){.sidebar{border-bottom:1px solid #111;border-right:none}}.sub-section{margin-bottom:40px}.sub-section:last-child{margin-bottom:0}.sub-section ul{list-style:none}.sub-section li{color:#333;border-bottom:1px solid #ccc;padding:8px 0;font-size:.9rem}.sub-section li:last-child{border-bottom:none}.content{border-bottom:none;flex:2}.project-item{background-color:#fff;border:1px solid #111;margin-bottom:20px;padding:30px;transition:background-color .2s,border-width .1s}.project-item:hover{background-color:#f0f0f0}.project-item:last-child{margin-bottom:0}.btn-square{color:#111;text-transform:uppercase;cursor:pointer;background-color:#0000;border:1px solid #111;border-radius:0;margin-top:20px;padding:10px 24px;font-size:.8rem;font-weight:700;text-decoration:none;transition:all .2s;display:inline-block}.btn-square:hover{color:#fff;background-color:#111}a{color:#111;border-bottom:1px solid #0000;font-weight:500;text-decoration:none;transition:border-bottom .2s}a:hover,.btn-square:hover{border-bottom:1px solid #111}.activity-item{border-bottom:1px solid #ccc;margin-bottom:16px;padding-bottom:16px}.activity-item:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.act-time{color:#666;margin-bottom:4px;font-size:.8rem}.act-title{color:#111;margin-bottom:4px;font-size:.95rem;font-weight:700}.act-content{color:#444;font-size:.85rem}.announcement-modal{z-index:9999;background:#e0e0e0d9;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{text-align:center;background:#fff;border:1px solid #111;width:90%;max-width:500px;padding:40px;box-shadow:10px 10px #000}.modal-content h2{border-bottom:none;margin-bottom:15px;padding-bottom:0;font-size:1.5rem}.modal-content p{margin-bottom:30px}.footer{text-align:center;color:#666;background-color:#f5f5f5;font-size:.85rem;font-weight:600}