:root{--bg-color: #f5f7fa;--text-color: #333;--card-bg: #fff;--card-border: #e0e0e0;--primary-color: #4a90e2;--accent-color: #e74c3c;--small-card-color: #2c3e50;--big-card-color: #2c3e50;--shadow: 0 4px 6px rgba(0,0,0,.1);--hover-shadow: 0 8px 12px rgba(0,0,0,.15)}body{font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background-color:var(--bg-color);color:var(--text-color);margin:0;padding:0;line-height:1.6}header{background-color:#fff;padding:1rem 2rem;box-shadow:0 2px 4px #0000000d;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100}h1{margin:0;font-size:1.5rem}nav button{background:none;border:none;padding:.5rem 1rem;cursor:pointer;font-size:1rem;color:var(--text-color);border-bottom:2px solid transparent;transition:all .3s}nav button:hover{color:var(--primary-color);border-bottom-color:var(--primary-color)}main{max-width:800px;margin:2rem auto;padding:0 1rem}.content-section{background:#fff;padding:2rem;border-radius:8px;box-shadow:var(--shadow);margin-bottom:2rem}.rule-block{margin-bottom:1.5rem;padding-bottom:1.5rem;border-bottom:1px solid #eee}.rule-block:last-child{border-bottom:none}h2,h3{margin-top:0;color:var(--primary-color)}ul{list-style-type:disc;padding-left:1.5rem}.highlight-box{background-color:#fff8e1;padding:1rem;border-radius:4px;border-left:4px solid #ffc107;margin:1rem 0}.example-cards{display:flex;flex-wrap:wrap;gap:5px;margin-top:.5rem;padding:.5rem;background-color:#f8f9fa;border-radius:4px;border-left:3px solid var(--primary-color)}.example-cards .card{width:30px;height:60px;font-size:1rem;cursor:default}.example-cards .card:hover{transform:none;box-shadow:0 2px 4px #0000001a}.huxi-table{width:100%;border-collapse:collapse;margin-top:1rem}.huxi-table th,.huxi-table td{border:1px solid #eee;padding:.8rem;text-align:center;white-space:normal!important}.huxi-table th{background-color:#f8f9fa;font-weight:600}.card{width:36px;height:72px;background-color:var(--card-bg);border:1px solid var(--card-border);border-radius:4px;display:flex;justify-content:center;align-items:center;font-family:Kaiti,STKaiti,serif;font-size:1.2rem;font-weight:700;cursor:pointer;box-shadow:0 2px 4px #0000001a;transition:transform .2s,box-shadow .2s;user-select:none;position:relative}.card:hover{transform:translateY(-2px);box-shadow:var(--hover-shadow)}.card.small{color:var(--small-card-color)}.card.big{color:var(--big-card-color)}.card.red-card{color:var(--accent-color)}.card.card-back{color:transparent!important;background:repeating-linear-gradient(45deg,#607d8b,#607d8b 5px,#546e7a 5px 10px);border-color:#455a64}.inline-card{display:inline-flex!important;width:20px!important;height:28px!important;font-size:.7em!important;padding:0 2px!important;margin:0 2px!important;vertical-align:middle!important;line-height:1!important;border-radius:3px!important;box-shadow:0 1px 2px #0000001a!important;cursor:default!important;transform:none!important;flex-shrink:0;white-space:nowrap}.inline-card:hover{box-shadow:0 1px 2px #0000001a}.calculator-container{display:flex;flex-direction:column;gap:2rem}.card-palette{display:flex;flex-direction:column;gap:1rem}.palette-group{display:flex;align-items:center;gap:1rem}.card-row{display:flex;flex-wrap:wrap;gap:.5rem}.selection-area{background-color:#fafafa;padding:1rem;border-radius:8px;text-align:center}.slots-result-wrapper{display:flex;align-items:center;justify-content:center;gap:1.5rem;flex-wrap:wrap;margin-top:1rem}.slots-container{display:flex;justify-content:center;gap:1rem;min-height:80px}.result-box{text-align:center;font-size:1.2rem;font-weight:700;padding:.8rem 1.2rem;background-color:#e8f5e9;color:#2e7d32;border-radius:8px;margin-top:0;min-width:150px}.slot{width:40px;height:80px;border:2px dashed #ccc;border-radius:4px;display:flex;justify-content:center;align-items:center;background-color:#ffffff80;transition:all .3s}.slot.filled{border:none;background:none}.slot .card{width:40px;height:80px;font-size:1.4rem}.card.is-dark:after{content:""!important;position:absolute;top:0;left:0;width:100%;height:100%;background-color:#0009;color:#fff;font-size:.8rem;display:flex;justify-content:center;align-items:center;border-radius:4px}.controls{display:flex;justify-content:center;align-items:center;gap:2rem;flex-wrap:wrap}.action-btn{padding:.8rem 2rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:25px;font-size:1rem;cursor:pointer;transition:background .3s}.action-btn:hover{background-color:#357abd}.secondary-btn{padding:.8rem 1.5rem;background-color:transparent;color:#666;border:1px solid #ccc;border-radius:25px;cursor:pointer}.secondary-btn:hover{background-color:#eee}.toggle-switch{position:relative;display:inline-flex;align-items:center;gap:.5rem;cursor:pointer}.toggle-switch input{display:none}.slider{position:relative;width:40px;height:20px;background-color:#ccc;transition:.4s;border-radius:20px}.slider:before{position:absolute;content:"";height:16px;width:16px;left:2px;bottom:2px;background-color:#fff;transition:.4s;border-radius:50%}input:checked+.slider{background-color:var(--primary-color)}input:checked+.slider:before{transform:translate(20px)}.label-text{font-size:.9rem;font-weight:500}footer{text-align:center;padding:2rem;color:#999;font-size:.9rem}.special-effect{display:inline-block;background:linear-gradient(135deg,#ff416c,#ff4b2b);color:#fff;padding:2px 6px;border-radius:4px;font-size:.85em;margin-left:5px;font-weight:700;box-shadow:0 2px 4px #ff4b2b4d;animation:pop-pulse 2s infinite}@keyframes pop-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05);box-shadow:0 4px 8px #ff4b2b80}}.table-cards{display:flex;justify-content:center;gap:2px;margin-top:5px}.table-cards .card{width:20px;height:40px;font-size:.8rem;line-height:40px;border-radius:2px;border:1px solid #ccc;box-shadow:none}.group-divider{width:2px;background-color:#ddd;margin:0 15px;border-radius:1px}.winning-examples{margin-top:1rem}.winning-row{background-color:#f8f9fa;border:1px solid #e9ecef;border-radius:6px;padding:1rem;margin-bottom:1rem}.winning-row h4{margin:0 0 .8rem;font-size:1rem;color:var(--primary-color)}.hand-items{display:flex;flex-wrap:wrap;gap:1.5rem;align-items:flex-end}.hand-group{display:flex;flex-direction:column;align-items:center;gap:.3rem}.group-label{font-size:.8rem;color:#666;font-weight:700}.group-cards{display:flex;align-items:center;gap:2px}.hand-group:last-child .group-label{color:var(--accent-color)}header{flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:.75rem}.header-top{display:flex;align-items:center;gap:12px;padding:.25rem 0;width:100%;flex-wrap:wrap}.home-entry{display:inline-flex;align-items:center;gap:8px;padding:.45rem .9rem;background:linear-gradient(135deg,#e7f3ff,#f8fbff);border:1px solid #d7e7fb;border-radius:999px;color:#1d4ed8;font-weight:700;text-decoration:none;box-shadow:0 4px 12px #1d4ed814;transition:transform .2s ease,box-shadow .2s ease}.home-entry:hover{transform:translateY(-1px);box-shadow:0 8px 18px #1d4ed81f}.home-icon{font-size:.9rem}.home-text{color:#0f172a}.home-sub{color:#475569;font-size:.9rem;font-weight:700}.page-title{margin:0;font-size:1.6rem;color:#0f172a;font-weight:800}