body{font-family:'Microsoft YaHei',sans-serif;max-width:1200px;margin:0 auto;padding:60px;background:url(/pic/BG2.jpg);background-size:auto;height:100%;cursor:url(/pic/mouse.cur),auto}.navbar{position:fixed;top:0;left:0;width:100%;height:60px;background-color:#fff;box-shadow:0 2px 10px #0000001a;display:flex;justify-content:center;align-items:center;z-index:1000}.nav-container{width:100%;max-width:1200px;display:flex;justify-content:space-between;align-items:center;padding:0 30px}.logo{font-size:24px;font-weight:700;color:#333;text-decoration:none}.nav-links{display:flex;gap:30px}.nav-link{position:relative;color:#555;text-decoration:none;font-size:16px;font-weight:500;transition:color .3s ease}.nav-link:hover{color:#06f}.nav-link.active{color:#06f}.nav-link::after{content:'';position:absolute;bottom:-5px;left:0;width:0;height:2px;background-color:#06f;transition:width .3s ease}.nav-link:hover::after,.nav-link.active::after{width:100%}.dropdown{position:relative;display:inline-block}.dropdown-content{display:none;position:absolute;top:100%;left:0;background-color:#fff;min-width:160px;box-shadow:0 8px 16px #0000001a;border-radius:0 0 8px 8px;z-index:1;opacity:0;transform:translateY(-10px);transition:all .3s ease}.dropdown:hover .dropdown-content{display:block;opacity:1;transform:translateY(0)}.dropdown-item{color:#555;padding:12px 16px;text-decoration:none;display:block;transition:all .2s}.dropdown-item:hover{background-color:#f5f5f5;color:#06f;padding-left:20px}.avatar{width:40px;height:40px;border-radius:50%;overflow:hidden;border:2px solid #6A5ACD;margin-left:20px}.avatar-img{width:100%;height:100%;object-fit:cover}.filter-panel{background:linear-gradient(150deg,#00ffff80 0%,#f0f9 100%);color:#fff;padding:20px;border-radius:10px;box-shadow:0 4px 12px #0000001a;margin-bottom:5px;text-align:center;font-size:41px}