.tool-container{max-width:1000px;margin:40px auto;padding:0 20px}
.tool-title{font-size:32px;font-weight:600;text-align:center;color:#222;margin-bottom:8px}
.tool-subtitle{text-align:center;color:#666;margin-bottom:28px;font-size:16px}

/* 筛选栏 */
.filter-bar{background:#fff;border-radius:14px;padding:22px 24px;box-shadow:0 3px 12px rgba(0,0,0,0.04);margin-bottom:30px;display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.filter-item{display:flex;align-items:center;gap:8px}
.filter-item label{font-size:15px;color:#333;font-weight:500}
.filter-item select{height:42px;border:1px solid #e5e7eb;border-radius:8px;padding:0 12px;font-size:15px;outline:none;min-width:180px}
.filter-item select:focus{border-color:#60a5fa}

/* 顶部说明 */
.intro-box{background:#fff;border-radius:14px;padding:26px;box-shadow:0 3px 12px rgba(0,0,0,0.04);margin-bottom:32px}
.intro-box p{font-size:15px;line-height:1.8;color:#444;margin:8px 0}

/* 专业卡片 */
.major-item{background:#fff;border-radius:16px;padding:32px;margin-bottom:24px;box-shadow:0 4px 16px rgba(0,0,0,0.05);transition:all 0.3s ease}
.major-item:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(0,0,0,0.07)}
.major-name{font-size:24px;font-weight:600;color:#222;margin-bottom:14px}
.major-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.major-tags span{padding:5px 13px;border-radius:20px;font-size:13px}
.tag-hot{background:#fff1f1;color:#d83030}
.tag-safe{background:#f0f8f3;color:#288c42}
.tag-med{background:#f0f7ff;color:#2b6cb0}
.tag-eco{background:#fdf4ff;color:#7e22ce}
.tag-art{background:#fef3c7;color:#92400e}

.info-row{margin:10px 0;font-size:15px;line-height:1.8;color:#333}
.info-row strong{font-weight:600;color:#222;margin-right:6px}