*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,system-ui,sans-serif;background:#1a0b2e;color:#fff;padding-bottom:80px;background-image:radial-gradient(circle at top, #2a1b3d, #1a0b2e)}
img{max-width:100%;display:block}

/* Header */
.header{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;background:rgba(255,255,255,0.05);backdrop-filter:blur(10px);position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(255,255,255,0.1)}
.logo{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:bold}
.logo img{width:42px;border-radius:8px}
.btn-login,.btn-register{padding:9px 24px;border-radius:30px;font-weight:600;cursor:pointer;transition:0.3s}
.btn-login{background:transparent;border:2px solid #9d5efe;color:#9d5efe}
.btn-register{background:#9d5efe;color:#fff;border:none}

/* Banner */
.banner-swiper{height:180px;overflow:hidden;position:relative;margin:15px;border-radius:18px;box-shadow:0 10px 30px rgba(157,94,254,0.3)}
.banner-swiper img{position:absolute;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1s}
.banner-swiper img.active{opacity:1}

/* 餘額卡 */
.balance-card{margin:0 15px 25px;background:linear-gradient(135deg,#9d5efe,#6e4acf);border-radius:20px;padding:22px;text-align:center;box-shadow:0 10px 30px rgba(157,94,254,0.4)}
.balance-card .label{font-size:14px;opacity:0.9}
.amount{font-size:36px;font-weight:bold;margin:12px 0}
.btn-group button{width:48%;padding:14px;border:none;border-radius:30px;background:rgba(255,255,255,0.25);color:#fff;font-weight:600}

/* 分類 */
.category-tabs{display:flex;padding:0 15px;gap:12px;overflow-x:auto;margin-bottom:25px;-webkit-overflow-scrolling:touch}
.category-tabs::-webkit-scrollbar{display:none}
.tab{padding:11px 24px;background:rgba(255,255,255,0.08);border-radius:30px;white-space:nowrap;font-weight:600;transition:0.3s}
.tab.active{background:#9d5efe;box-shadow:0 5px 15px rgba(157,94,254,0.5)}

/* 遊戲格子 */
.games-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:0 15px}
.game-card{background:#2a1b3d;border-radius:14px;overflow:hidden;cursor:pointer;transition:0.3s;box-shadow:0 4px 15px rgba(0,0,0,0.3)}
.game-card:hover{transform:translateY(-6px);box-shadow:0 15px 30px rgba(157,94,254,0.3)}
.game-card img{width:100%;height:105px;object-fit:cover}
.game-info{padding:10px;text-align:center}
.game-name{font-size:13.5px;font-weight:600;margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.game-meta{font-size:11px;color:#4ade80}

/* 底部導航 */
.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:#11071d;display:flex;padding:12px 0;border-top:1px solid #333}
.nav-item{flex:1;text-align:center;font-size:12px}
.nav-item.active{color:#9d5efe}

/* 客服泡泡 */
.cs-bubble{position:fixed;right:18px;bottom:90px;width:58px;height:58px;background:linear-gradient(135deg,#9d5efe,#7b4bcf);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 25px rgba(157,94,254,0.6);font-weight:bold;z-index:99}

/* 響應式 */
@media(min-width:768px){.games-grid{grid-template-columns:repeat(5,1fr);gap:18px;padding:0 30px}}
@media(min-width:1200px){.games-grid{grid-template-columns:repeat(7,1fr);max-width:1400px;margin:0 auto}}