diff --git a/css/material.css b/css/material.css
new file mode 100644
index 0000000..c864784
--- /dev/null
+++ b/css/material.css
@@ -0,0 +1,319 @@
+* {
+    margin: 0;
+    padding: 0;
+    box-sizing: border-box;
+}
+
+body {
+    font-family: 'Roboto', sans-serif;
+    background-color: #f5f5f5;
+    color: #333;
+    line-height: 1.6;
+}
+
+.header {
+    background: linear-gradient(135deg, #1976d2 0%, #1565c0 100%);
+    color: white;
+    padding: 16px 24px;
+    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
+    position: sticky;
+    top: 0;
+    z-index: 100;
+}
+
+.header h1 {
+    font-size: 24px;
+    font-weight: 400;
+    margin: 0;
+    display: flex;
+    align-items: center;
+    gap: 12px;
+}
+
+.nav-menu {
+    background: white;
+    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
+    padding: 0;
+    margin-bottom: 24px;
+}
+
+.nav-menu ul {
+    list-style: none;
+    display: flex;
+    margin: 0;
+    padding: 0;
+}
+
+.nav-menu li {
+    flex: 1;
+}
+
+.nav-menu a {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    gap: 8px;
+    padding: 16px;
+    text-decoration: none;
+    color: #1976d2;
+    font-weight: 500;
+    transition: all 0.3s ease;
+    border-bottom: 3px solid transparent;
+}
+
+.nav-menu a:hover, .nav-menu a.active {
+    background-color: #e3f2fd;
+    border-bottom-color: #1976d2;
+}
+
+.container {
+    max-width: 1200px;
+    margin: 0 auto;
+    padding: 0 24px;
+}
+
+.card {
+    background: white;
+    border-radius: 8px;
+    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
+    margin-bottom: 24px;
+    overflow: hidden;
+}
+
+.card-header {
+    padding: 20px 24px;
+    border-bottom: 1px solid #e0e0e0;
+    background-color: #fafafa;
+}
+
+.card-title {
+    font-size: 20px;
+    font-weight: 500;
+    color: #333;
+    margin: 0;
+    display: flex;
+    align-items: center;
+    gap: 12px;
+}
+
+.card-content {
+    padding: 24px;
+}
+
+.btn {
+    display: inline-flex;
+    align-items: center;
+    gap: 8px;
+    padding: 12px 24px;
+    border: none;
+    border-radius: 4px;
+    font-size: 14px;
+    font-weight: 500;
+    cursor: pointer;
+    text-decoration: none;
+    transition: all 0.3s ease;
+    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
+}
+
+.btn-primary {
+    background-color: #1976d2;
+    color: white;
+}
+
+.btn-primary:hover {
+    background-color: #1565c0;
+    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
+}
+
+.btn-success {
+    background-color: #388e3c;
+    color: white;
+}
+
+.btn-success:hover {
+    background-color: #2e7d32;
+}
+
+.btn-warning {
+    background-color: #f57c00;
+    color: white;
+}
+
+.btn-warning:hover {
+    background-color: #ef6c00;
+}
+
+.btn-danger {
+    background-color: #d32f2f;
+    color: white;
+}
+
+.btn-danger:hover {
+    background-color: #c62828;
+}
+
+.btn-small {
+    padding: 8px 16px;
+    font-size: 12px;
+}
+
+.form-group {
+    margin-bottom: 20px;
+}
+
+.form-label {
+    display: block;
+    margin-bottom: 8px;
+    font-weight: 500;
+    color: #555;
+}
+
+.form-control {
+    width: 100%;
+    padding: 12px 16px;
+    border: 2px solid #e0e0e0;
+    border-radius: 4px;
+    font-size: 16px;
+    transition: border-color 0.3s ease;
+    background-color: white;
+}
+
+.form-control:focus {
+    outline: none;
+    border-color: #1976d2;
+    box-shadow: 0 0 0 3px rgba(25,118,210,0.1);
+}
+
+.table-responsive {
+    overflow-x: auto;
+    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
+    border-radius: 8px;
+}
+
+.table {
+    width: 100%;
+    border-collapse: collapse;
+    background: white;
+}
+
+.table th {
+    background-color: #1976d2;
+    color: white;
+    padding: 16px;
+    text-align: left;
+    font-weight: 500;
+    border: none;
+}
+
+.table td {
+    padding: 16px;
+    border-bottom: 1px solid #e0e0e0;
+}
+
+.table tr:hover {
+    background-color: #f5f5f5;
+}
+
+.icon {
+    width: 24px;
+    height: 24px;
+    display: inline-block;
+    vertical-align: middle;
+}
+
+.status-badge {
+    padding: 4px 12px;
+    border-radius: 16px;
+    font-size: 12px;
+    font-weight: 500;
+}
+
+.status-pending {
+    background-color: #fff3e0;
+    color: #f57c00;
+}
+
+.status-processing {
+    background-color: #e3f2fd;
+    color: #1976d2;
+}
+
+.status-completed {
+    background-color: #e8f5e8;
+    color: #388e3c;
+}
+
+.grid {
+    display: grid;
+    gap: 24px;
+}
+
+.grid-2 {
+    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
+}
+
+.grid-3 {
+    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
+}
+
+.alert {
+    padding: 16px;
+    border-radius: 4px;
+    margin-bottom: 20px;
+}
+
+.alert-success {
+    background-color: #e8f5e8;
+    border-left: 4px solid #388e3c;
+    color: #2e7d32;
+}
+
+.alert-error {
+    background-color: #ffebee;
+    border-left: 4px solid #d32f2f;
+    color: #c62828;
+}
+
+.modal {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background-color: rgba(0,0,0,0.5);
+    z-index: 1000;
+    display: none;
+}
+
+.modal-content {
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+    background: white;
+    border-radius: 8px;
+    padding: 24px;
+    max-width: 500px;
+    width: 90%;
+    max-height: 80vh;
+    overflow-y: auto;
+}
+
+@media (max-width: 768px) {
+    .nav-menu ul {
+        flex-direction: column;
+    }
+    
+    .container {
+        padding: 0 16px;
+    }
+    
+    .card-content {
+        padding: 16px;
+    }
+    
+    .table th, .table td {
+        padding: 12px 8px;
+        font-size: 14px;
+    }
+} 
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diff --git a/css/style.css b/css/style.css
new file mode 100644
index 0000000..2dd2dd1
--- /dev/null
+++ b/css/style.css
@@ -0,0 +1,13 @@
+body
+{
+    width:920px;
+    margin:0 auto;
+    font-size:14px;font-family:"微软雅黑";
+}
+table
+{
+    width:800px;margin:0 auto;text-align: center;
+}
+a:link{text-decoration: none ;color:black;}
+td,th{text-align: center;}
+.tl{width:300px;}
\ No newline at end of file