@import"https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700;900&display=swap";.site-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:var(--glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--glass-border);position:sticky;top:0;z-index:100}.site-header .logo{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:700;color:var(--text-1);text-decoration:none}.site-header .logo span{font-size:1.5rem}.main-content{max-width:1200px;margin:0 auto;padding:24px;min-height:calc(100vh - 140px)}.app-footer{text-align:center;padding:32px;color:var(--text-3);font-size:.8rem}@media (max-width: 768px){.site-header{padding:12px 16px}.main-content{padding:16px}}:root{--bg-1: #0f0c29;--bg-2: #302b63;--bg-3: #24243e;--glass: rgba(255, 255, 255, .06);--glass-border: rgba(255, 255, 255, .1);--glass-hover: rgba(255, 255, 255, .12);--glass-deep: rgba(255, 255, 255, .05);--glass-border-light: rgba(255, 255, 255, .08);--red: #e74c3c;--red-dark: #c0392b;--orange: #f39c12;--yellow: #f1c40f;--blue: #3498db;--green: #2ecc71;--purple: #9b59b6;--text-1: #eee;--text-2: #ccc;--text-3: #aaa;--text-4: #888;--radius: 16px;--radius-sm: 10px;--shadow: 0 8px 32px rgba(0, 0, 0, .3);--transition: all .3s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;background:linear-gradient(135deg,var(--bg-1),var(--bg-2),var(--bg-3));color:var(--text-1);min-height:100vh;line-height:1.6}a{color:var(--blue);text-decoration:none}a:hover{color:var(--orange)}.container{background:var(--glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:24px 32px;border-radius:var(--radius);border:1px solid var(--glass-border);box-shadow:var(--shadow);text-align:center;max-width:720px;width:100%;margin:0 auto}.anim-title{margin:0 0 6px;background:linear-gradient(90deg,var(--red),var(--orange),var(--red));-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-size:1.6rem;font-weight:900}.subtitle{font-size:.85rem;color:var(--text-3);margin-bottom:16px}.mode-tabs{display:flex;gap:8px;justify-content:center;margin:16px 0;flex-wrap:wrap}.mode-tab{padding:8px 20px;border-radius:20px;border:1px solid var(--glass-border);background:var(--glass);color:var(--text-2);font-size:14px;cursor:pointer;transition:var(--transition)}.mode-tab.active{background:#3498db33;border-color:var(--blue);color:var(--blue);font-weight:600}.mode-tab:hover{background:var(--glass-hover)}.controls{display:flex;gap:10px;justify-content:center;margin:16px 0;flex-wrap:wrap}.btn-step{padding:10px 24px;border-radius:25px;border:none;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;font-weight:600;cursor:pointer;font-size:.95rem;transition:var(--transition);font-family:inherit}.btn-step:hover{transform:translateY(-2px);box-shadow:0 6px 20px #3498db66}.btn-step:disabled{opacity:.4;cursor:default;transform:none}.btn-reset{padding:10px 24px;border-radius:25px;border:1px solid var(--glass-border);background:var(--glass);color:var(--text-2);cursor:pointer;font-size:.95rem;transition:var(--transition);font-family:inherit}.btn-reset:hover{background:var(--glass-hover);color:var(--text-1)}.history-note{margin-top:14px;font-size:.8rem;color:var(--text-4);font-style:italic}.tip-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:20px 0}.tip-card{background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius-sm);padding:14px;text-align:center;transition:var(--transition)}.tip-card:hover{background:var(--glass-hover);transform:translateY(-2px)}.tip-card .icon{font-size:28px;margin-bottom:4px}.tip-card .title{font-size:13px;font-weight:600;color:var(--text-1);margin-bottom:3px}.tip-card .desc{font-size:11px;color:var(--text-3);line-height:1.4}.mode-content{display:none}.mode-content.active{display:block}.scoreboard{display:flex;gap:32px;justify-content:center;margin:12px 0}.score-item{text-align:center}.score-item .label{font-size:13px;color:var(--text-3)}.score-item .value{font-size:24px;font-weight:700}@media (max-width: 768px){.container{padding:16px 20px}.anim-title{font-size:1.3rem}}@media (max-width: 480px){.tip-cards{grid-template-columns:1fr}}