.tool-container {
    padding: 24px;
    max-width: 1400px;
    margin: 0 auto;
}
/* 卡片通用样式 */
.card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(20,35,60,0.06);
    padding: 28px;
    margin-bottom: 30px;
}
.card-title {
    font-size: 20px;
    font-weight: 600;
    color: #111827;
    padding-bottom: 16px;
    border-bottom: 1px solid #eee;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}
.card-title::before {
    content: '';
    width:5px;
    height:20px;
    background: #2563eb;
    border-radius:3px;
    margin-right:12px;
}
/* 输入框 */
#sourceText {
    width: 100%;
    min-height: 220px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 18px;
    font-family: Consolas, Monaco, monospace;
    font-size:14px;
    resize: vertical;
    outline: none;
    background: #fbfdff;
    transition:0.25s;
}
#sourceText:focus {
    border-color:#2563eb;
    box-shadow:0 0 0 4px rgba(37,99,235,0.1);
}
/* 按钮区 */
.btn-wrap {
    margin-top:18px;
    display:flex;
    gap:14px;
}
.btn {
    padding:10px 26px;
    border-radius:10px;
    border:none;
    font-size:15px;
    cursor:pointer;
    transition:all 0.2s;
}
.btn-parse {
    background:#2563eb;
    color:#fff;
}
.btn-parse:hover {
    background:#1d4ed8;
}
.btn-clear {
    background:#e5e7eb;
    color:#333;
}
.btn-clear:hover {
    background:#d1d5db;
}
/* 顶部统计栏 */
.stat-wrap {
    display:flex;
    flex-wrap:wrap;
    gap:16px;
    margin-bottom:26px;
}
.stat-item {
    padding:10px 20px;
    background:#f0f7ff;
    border-radius:12px;
    min-width:140px;
    text-align:center;
}
.stat-label {
    font-size:13px;
    color:#64748b;
}
.stat-num {
    font-size:22px;
    font-weight:bold;
    color:#2563eb;
}
/* 头部列表 */
.group-title {
    font-size:17px;
    font-weight:600;
    margin:30px 0 16px;
    color:#334155;
    padding-left:12px;
    border-left:4px solid #2563eb;
}
.header-item {
    padding:16px 20px;
    background:#f8fafc;
    border-radius:12px;
    margin-bottom:12px;
}
.h-name {
    font-size:15px;
    font-weight:500;
    color:#1d4ed8;
    word-break:break-all;
}
.h-value {
    margin:8px 0;
    color:#334155;
    font-family:Consolas;
    word-break:break-all;
}
.h-desc {
    font-size:13px;
    color:#64748b;
    background:#eef6ff;
    padding:6px 10px;
    border-radius:6px;
}
.empty-tip {
    text-align:center;
    padding:60px 0;
    color:#94a3b8;
    font-size:15px;
}