* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft Yahei", system-ui, sans-serif;
}
body {
    background: #f8f9fa;
    padding: 24px 16px;
    color: #222;
}
.navbar {
    height: 80px !important;
}
.container-main {
    max-width: 1500px;
    margin: 0 auto;
	margin-top: 80px;
}
h1 {
        font-size: 2rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    background-clip: text;
    color: #333;
    text-align: center;
}
.tip {
    color: #555;
    margin-bottom: 24px;
}
.two-col-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 20px;
}
.col-box {
    background: #fff;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
	 box-shadow: 0 5px 15px 2px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.05);
}
.col-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    font-weight: 600;
}
.btn-group {
    display: flex;
    gap: 8px;
}
.file-input {
    display: none;
}
.btn-import, .btn-clear-side {
    border: 1px solid #cbd5e1;
    background: #fff;
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
}
.btn-import:hover, .btn-clear-side:hover {
    background: #f1f5f9;
}
.edit-textarea {
    width: 100%;
    min-height: 260px;
    padding: 14px;
    border: none;
    border-bottom: 1px solid #e2e8f0;
    outline: none;
    resize: vertical;
    font-size: 15px;
    line-height: 1.6;
    white-space: pre-wrap;
}
.stat-row {
    padding: 8px 16px;
    font-size: 13px;
    color: #64748b;
}
.preview-title {
    padding: 8px 16px;
    font-size: 14px;
    color: #475569;
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
}
.preview-box {
    min-height: 140px;
    padding: 14px;
    line-height: 1.6;
    white-space: pre-wrap;
    font-size: 15px;
    overflow-y: auto;
}
.diff-red {
    color: #dc2626;
    font-weight: 600;
}
.operate-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
	margin-bottom:10px;
}
.btn-main {
    background: #0D6EFD;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
}
.btn-main:hover {
    background: #1d4ed8;
}
.btn-normal {
    border: 1px solid #cbd5e1;
    background: #fff;
    padding: 9px 18px;
    border-radius: 6px;
    cursor: pointer;
}
.btn-normal:hover {
    background: #f1f5f9;
}
.status-wait {
    color: #64748b;
}
.status-same {
    color: #16a34a;
    font-weight: 500;
}
.status-diff {
    color: #dc2626;
    font-weight: 500;
}