.wrapper {
    width: 90%;
    margin: 0 auto;
    box-sizing: border-box;
}

/* header */

.header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.3% 5% 0.3% 2%;
    gap: 20px;
}

.header .logo {
    display: flex;
    flex: 1 1 auto;
    max-width: 55%;
    min-width: 0;
    align-items: center;
    margin: 0;
    border-radius: 20px;
    font-size: 120%;
    font-weight: 700;
}

.header .logo img {
    height: 80px;
    width: auto;
    object-fit: contain;
    display: block;
}

.header .logo .title {
    margin-left: 2%;
    width: auto;
    display: flex;
    flex-direction: row;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
    overflow: hidden;
}

.header .logo .title h3 {
    font-size: 110%;
    color: #2E5A61;
    font-weight: 600;
    margin: 0;
    white-space: normal;
    line-height: 1.2;
}

.header .logo .title p {
    font-size: 80%;
    color: #666;
    margin: 0;
    white-space: normal;
    line-height: 1.2;
}

.header .nev { 
    flex: 0 1 auto;
    height: 100%;
    min-width: 0;
}

.header .nev .nev-child-1 {
    display: flex;
    width: 100%;
    height: 100%;
    justify-content: flex-end;
    align-items: center;
}

.header .nev-child-1 li {
    padding: 1% 2%;
    border-radius: 10px;
    position: relative;
    list-style: none;
}

/* 鼠标悬停导航栏 */
.header li:hover a {
    color: black;
}
.header .icon-jiantou_shang {
    display: none;
}
.header li:hover .icon-jiantou_xia {
    display: none;
}
.header li:hover .icon-jiantou_shang {
    display: inline-block;
}

/* 箭头图标对齐样式 */
.header .icon-jiantou_xia,
.header .icon-jiantou_shang {
    font-size: 12px;
    vertical-align: middle;
    line-height: 1;
    margin-left: 4px;
}

.header a {
    font-size: 150%;
    font-weight: 700;
    color: #a39e9e;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.header .nev-child-2 {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: linear-gradient(135deg, #ffffff 0%, #f8fbfc 100%);
    border-radius: 12px;
    box-shadow: 0 12px 35px rgba(46, 90, 97, 0.2);
    border: 1px solid rgba(46, 90, 97, 0.08);
    overflow: hidden;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-top: 8px;
    min-width: 200px;
}

/* 下拉菜单顶部小箭头 */
.header .nev-child-2::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid #ffffff;
    filter: drop-shadow(0 -2px 4px rgba(46, 90, 97, 0.1));
}

.header .nev-child-2 li {
    width: 100%;
    background-color: transparent;
    text-align: left;
    border-bottom: 1px solid rgba(46, 90, 97, 0.08);
    font-weight: 400;
    transition: all 0.2s ease;
}

.header .nev-child-2 li:nth-last-child(1) {
    border-bottom: none;
}

.header .nev-child-2 li a {
    display: flex;
    align-items: center;
    padding: 14px 10px;
    color: #2E5A61;
    text-decoration: none;
    font-size: 100%;
    font-weight: 500;
    position: relative;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.header .nev-child-2 li a:before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    z-index: -1;
}

.header .nev-child-2 li:hover {
    background-color: rgba(71, 183, 190, 0.05);
    transform: translateX(3px);
}

.header .nev-child-2 li:hover a {
    color: #2E5A61;
}

.header .nev-child-2 li:hover a:before {
    width: 4px;
}


/* 每个菜单项的特色样式 */
.header .nev-child-2 li:nth-child(1):hover {
    background: linear-gradient(90deg, rgba(255, 193, 7, 0.1), transparent);
}

.header .nev-child-2 li:nth-child(2):hover {
    background: linear-gradient(90deg, rgba(220, 53, 69, 0.1), transparent);
}

.header .nev-child-2 li:nth-child(3):hover {
    background: linear-gradient(90deg, rgba(255, 87, 34, 0.1), transparent);
}

.header .nev-child-2 li:nth-child(4):hover {
    background: linear-gradient(90deg, rgba(76, 175, 80, 0.1), transparent);
}

.header .nev-child-2 li:nth-child(5):hover {
    background: linear-gradient(90deg, rgba(156, 39, 176, 0.1), transparent);
}

/* 菜单项动画序列 */
.header li:hover .nev-child-2 li {
    animation: slideInFromLeft 0.3s ease forwards;
    opacity: 0;
    transform: translateX(-20px);
}

.header li:hover .nev-child-2 li:nth-child(1) { animation-delay: 0.1s; }
.header li:hover .nev-child-2 li:nth-child(2) { animation-delay: 0.15s; }
.header li:hover .nev-child-2 li:nth-child(3) { animation-delay: 0.2s; }
.header li:hover .nev-child-2 li:nth-child(4) { animation-delay: 0.25s; }
.header li:hover .nev-child-2 li:nth-child(5) { animation-delay: 0.3s; }

@keyframes slideInFromLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 下拉菜单显示动画 */
.header li:hover .nev-child-2 {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Tools下拉菜单特定定位 */
.header .nav-tools .tools-dropdown {
    left: 57%;
    transform: translateX(-50%) translateY(-10px);
}

.header .nav-tools .tools-dropdown::before {
    left: 57%;
    transform: translateX(-50%);
}

.header .nav-tools:hover .tools-dropdown {
    transform: translateX(-50%) translateY(0);
}

/* Help下拉菜单特定定位 */
.header .nav-help .help-dropdown {
    left: 92%;
    transform: translateX(-50%) translateY(-10px);
}

.header .nav-help .help-dropdown::before {
    left: 92%;
    transform: translateX(-50%);
}

.header .nav-help:hover .help-dropdown {
    transform: translateX(-50%) translateY(0);
}

/* 确保下拉菜单在悬浮时保持显示 */
.header li:hover .nev-child-2,
.header .nev-child-2:hover {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* 特定菜单的悬浮显示 */
.header .nav-tools:hover .tools-dropdown,
.header .tools-dropdown:hover,
.header .nav-help:hover .help-dropdown,
.header .help-dropdown:hover {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.contant {
    width: 100%;
    margin: 40px 0;     
}

.contant .wrapper {
    border: 1px solid #bdbaba;
    border-radius: 8px;
    padding: 20px;
}

h3 {
    font-size: 150%;
    font-weight: 700;
    padding: 0 0 10px 20px;
    margin-bottom: 20px;
    border-bottom: 3px solid #2E5A61;
}


/* 搜索标签样式 */
.search-tabs {
    width: 100%;
    margin-bottom: 30px;
}

.tab-buttons {
    display: flex;
    gap: 0;
    border-radius: 8px;
    overflow: hidden;
    /* box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); */
    max-width: 600px;
}

.tab-btn {
    flex: 1;
    padding: 15px 20px;
    border: none;
    font-size: 120%;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.tab-btn:first-child {
    border-right: 1px solid #ddd;
}

.tab-btn:hover {
    background-color: #e8e8e8;
    color: #333;
}

.tab-btn.active {
    background-color: #E6D1B6;
}

/* 标签内容样式 */
.tab-content {
    width: 100%;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.contant .species {
    width: 100%;
    margin-top: 0;
    padding-bottom: 20px;
}

.contant .species .search_mic {
    display: flex;
    width: 80%;
    margin: 40px auto 0;
    align-items: center;
    padding: 10px 10px;
    border: 1px solid #bdbaba;
    border-radius: 8px;
}

.contant .species .search_mic input {
    border: none;
    outline: none;
    font-size: 150%;
}


.contant .species .search_mic:hover {
    border: #2E5A61 2px solid;
}

.contant .species .search_mic_eg {
    width: 80%;
    margin: 0 auto;
    align-items: center;
    padding: 10px 10px;
}

.contant .species .search_mic_eg p {
    font-style: italic;
}

.contant .genome {
    width: 100%;
    margin-top: 0;
    padding-bottom: 20px;
}

.contant .genome .search_gen {
    display: flex;
    width: 80%;
    margin: 40px auto 0;
    align-items: center;
    padding: 10px 10px;
    border: 1px solid #bdbaba;
    border-radius: 8px;
}

.contant .genome .search_gen:hover {
    border-color: #2E5A61;
}

.contant .genome .search_gen input[type="file"] {
    border: none;
    outline: none;
    font-size: 150%;
}

.contant .genome .search_gen input[type="file"]:hover {
    cursor: pointer;
}

/* 文件信息显示样式 */
.file-info {
    width: 80%;
    margin: 0 auto;
    margin-top: 10px;
    padding-left: 10px;
}

.file-selected p {
    margin: 5px 0;
    font-size: 14px;
    color: #333;
}

.contant .butt {
    width: 100%;
    text-align: center;
}

.contant .butt button {
    font-size: 120%;
    padding: 10px 20px;
    border-radius: 5px;
    border: 1px ;
    color: white;
    background-color: #2E5A61;
}

.contant .butt button:first-child {
    margin-right: 20px;
}

.contant .butt button:hover {
    color: black;
    cursor: pointer;
}

.contant .butt button a {
    color: white;
}

.contant .butt button a:hover {
    color: black;
}


/* copyright */
.copyright {
    width: 90%;
    margin: 0 auto;
}

.copyright .bottom {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin: 0 auto;
    padding-top: 20px;
    padding-bottom: 20px;
    background-color: #2E5A61;
}

.copyright .bottom p {
    margin: 0 20px;
    color: white;
}