:root{--navy:#07121d;--green:#32d157;--cyan:#35d9e8;--orange:#ff9b36;--text:#eff9f3;--muted:#9cadb0}*{box-sizing:border-box}body{margin:0!important;min-height:100vh;color:var(--text);font-family:Poppins,Arial,sans-serif;background:radial-gradient(circle at 8% 10%,rgba(50,209,87,.17),transparent 22rem),radial-gradient(circle at 95% 95%,rgba(53,217,232,.15),transparent 25rem),var(--navy)}.container{width:min(930px,calc(100% - 32px));margin:38px auto 65px}.activity-page-header{margin-bottom:14px}.back-home{display:inline-flex;gap:8px;align-items:center;padding:9px 13px;color:var(--cyan);text-decoration:none;font-size:.86rem;border:1px solid rgba(53,217,232,.32);border-radius:8px;transition:.2s}.back-home:hover{color:#07121d;background:var(--cyan);transform:translateY(-2px)}.activity-feed{padding:27px;background:rgba(10,30,39,.94);border:1px solid rgba(145,235,191,.22);border-radius:22px;box-shadow:0 22px 60px rgba(0,0,0,.3)}.activity-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:21px;padding-bottom:18px;border-bottom:1px solid rgba(158,224,193,.14)}.activity-title{display:flex;align-items:center;gap:11px}.activity-header h2{margin:0;color:#fff;font-size:1.55rem}.activity-header i{color:var(--orange);font-size:1.4rem;text-shadow:0 0 16px rgba(255,155,54,.45)}.activity-list{display:flex;flex-direction:column;gap:12px}.activity-item{display:flex;align-items:center;gap:15px;padding:15px;border:1px solid transparent;border-radius:14px;background:rgba(20,52,63,.55);transition:.22s}.activity-item:hover{border-color:rgba(53,217,232,.31);background:rgba(23,62,73,.8);transform:translateX(4px)}.activity-icon{flex:0 0 54px;width:54px;height:54px;display:grid;place-items:center;border-radius:14px;font-size:27px;background:linear-gradient(135deg,rgba(50,209,87,.17),rgba(53,217,232,.1));border:1px solid rgba(50,209,87,.24)}.activity-content{flex:1;min-width:0}.activity-message{display:flex;justify-content:space-between;align-items:center;gap:16px;color:#e8f5ed;font-size:.93rem;line-height:1.55}.activity-text{flex:1}.highlight{color:var(--green);font-weight:700}.activity-rank{width:49px;height:49px;margin-left:8px;vertical-align:middle;filter:drop-shadow(0 0 8px rgba(53,217,232,.3))}.activity-date{margin-top:4px;color:var(--muted);font-size:.75rem}.like-btn{flex:0 0 auto;padding:7px 9px;color:#ff9ec3;background:rgba(255,78,155,.09);border:1px solid rgba(255,78,155,.26);border-radius:8px;cursor:pointer;font-weight:700;transition:.2s}.like-btn:hover{transform:scale(1.07);color:#fff;background:rgba(255,78,155,.25)}.like-btn span{color:#fff}@media(max-width:560px){.container{width:min(100% - 20px,930px);margin-top:18px}.activity-feed{padding:19px}.activity-message{align-items:flex-start;flex-direction:column;gap:9px}.activity-item{align-items:flex-start}.activity-icon{flex-basis:44px;width:44px;height:44px;font-size:22px}}