.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 5% 0 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: 70%;
    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);
}

/* content */
.content {
    width: 100%;
}

.content .banner {
    width: 100%;
    /* background-color: #3A7D8F; */
    position: relative;
    overflow: hidden;
    background-image: url('../assets/images/banner.png');
    background-size: 100% 100%;
    min-height: 550px;
    background-position: center;
    box-shadow: 0 8px 32px rgba(74, 144, 164, 0.3);
}

/* .content .banner::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
} */

/* .content .banner::after {
    content: '';
    position: absolute;
    top: 20%;
    left: 20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
} */

.banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding-top: 12%;
}

.banner-title {
    font-size: 48px;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    line-height: 1.2;
}

.banner-subtitle {
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 40px;
    line-height: 1.6;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.banner-search {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.search-container {
    display: flex;
    align-items: center;
    background: white;
    border-radius: 50px;
    padding: 8px 8px 8px 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 600px;
    transition: box-shadow 0.3s ease;
}

.search-container:focus-within {
    box-shadow: 0 6px 30px rgba(0,0,0,0.15);
}

.search-container .icon-search {
    color: #666;
    font-size: 20px;
    margin-right: 15px;
}

.search-container input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 16px;
    padding: 12px 0;
    background: transparent;
    color: #333;
}

.search-container input::placeholder {
    color: #999;
}

.search-btn {
    background: #6BC8D1;
    color: white;
    border: none;
    border-radius: 40px;
    padding: 12px 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-btn:hover {
    background: #4A90A4;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.search-example {
    color: rgba(255,255,255,0.8);
    font-size: 14px;
    font-style: italic;
    margin-top: 5px;
}

.content .data {
    display: flex;
    width: 100%;
    margin-top: -20px;
    position: relative;
    z-index: 10;
}

.data-cards {
    width: 50%;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding: 0;
}

.data-card {
    width: calc(50% - 10px);
    background: white;
    border-radius: 20px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
    overflow: hidden;
    min-height: 120px;
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
}

.data-card:hover {
    transform: translateY(-8px);
    border-color: rgba(74, 144, 164, 0.3);
}

.data-card a {
    display: flex;
    align-items: center;
    padding: 15px 70px;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.card-icon {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.card-icon i {
    font-size: 400%;
    color: #305a61;
    font-weight: 500;
}

.card-content {
    flex: 1;
}

.card-title {
    font-size: 120%;
    color: #666;
    margin-bottom: 8px;
    font-weight: 500;
}

.card-number {
    font-size: 150%;
    font-weight: 600;
    color: #333;
    line-height: 1;
}

.introduction {
    width: 50%;
    padding: 30px 20px 20px 40px;
    background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(248,250,252,0.95) 100%);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    margin-left: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.3);
}

.introduction p {
    line-height: 1.8;
    color: #2E5A61;
    margin: 0;
    text-align: justify;
}




.content .data_info {
    width: 100%;
    background-color: #f9f9f9;
    border-radius: 10px;
    margin-top: 20px;
    /* padding-bottom: 20px; */
    border: 1px solid #e0e0e0;
}

.content .data_info .title {
    background-color: #2D6B7D;
    box-sizing: border-box;
    border-radius: 12px 12px 0 0;
    padding: 10px 20px;
}

.content .data_info .title h2 {
    font-size: 150%;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* copyright */
.copyright {
    width: 100%;
    margin: 0 auto;
    margin-bottom: 20px;
}

.copyright .bottom {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin: 0 auto;
    padding-top: 40px;
    padding-bottom: 40px;
    background-color: #1E3A4A;
}

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

/* Taxonomy 和 Physical and chemical properties 并排布局 */
.taxonomy-and-physchem {
    display: flex;
    width: 100%;
    gap: 15px;
    align-items: stretch;
    margin: 20px auto;
    padding: 0 20px;
    flex-wrap: wrap;
}

/* Physiology 和 Growth conditions 并排布局 */
.culture-and-nutrition {
    display: flex;
    width: 75%;
    gap: 20px;
    align-items: stretch;
    margin: 0 auto;
    margin-top: 20px;
}

/* 所有图表容器样式 */
.taxonomy-container,
.culture-container,
.physchem-container,
.nutrition-container {
    background-color: white;
    border-radius: 8px;
    border: 1px solid #e5e5e5;
    height: 550px;
    display: flex;
    flex-direction: column;
    flex: 1 1 400px;
    width: calc(33.333% - 10px);
}

/* 确保所有图表容器的高度一致 */
.taxonomy-container .taxonomy-chart-container,
.culture-container .taxonomy-chart-container,
.nutrition-container .taxonomy-chart-container {
    flex: 1;
    min-height: 400px;
    max-height: 500px;
    overflow: hidden;
}

.physchem-container .chart-container {
    flex: 1;
    min-height: 400px;
    max-height: 500px;
    overflow: hidden;
}

.taxonomy-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    padding: 16px 20px 8px 20px;
    margin: 0;
    border-bottom: 1px solid #f0f0f0;
}

.taxonomy-tabs-container {
    border-bottom: 1px solid #e0e0e0;
    padding: 0 20px;
}

.taxonomy-tabs {
    display: flex;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
    flex-wrap: wrap;
}

.taxonomy-tab-item {
    padding: 10px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    color: #666;
    font-weight: 400;
    transition: all 0.3s ease;
    position: relative;
    white-space: nowrap;
}

.taxonomy-tab-item:hover {
    color: #333;
    background-color: #f8f9fa;
}

.taxonomy-tab-item.active {
    color: #d73027;
    border-bottom-color: #d73027;
    font-weight: 500;
}

.taxonomy-chart-container {
    position: relative;
    margin: 10px 20px 0px 20px;
    border-radius: 4px;
    flex: 1;
}

.taxonomy-total-badge {
    position: absolute;
    top: 7%;
    right: 8%;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 12px;
    padding: 2px 12px;
    color: #666;
    font-size: 90%;
    font-weight: 500;
    z-index: 10;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.physchem-total-badge {
    position: absolute;
    top: -1%;
    right: 10%;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 12px;
    padding: 2px 12px;
    color: #666;
    font-size: 90%;
    font-weight: 500;
    z-index: 10;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}


.taxonomy-chart-content {
    position: relative;
    overflow-y: auto;
    max-height: 85%;
    padding: 10px 0;
}

.taxonomy-chart-row {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    height: 30px;
}

.taxonomy-taxa-name {
    width: 30%;
    font-size: 100%;
    color: #333;
    text-align: right;
    padding-right: 15px;
    font-weight: 400;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.taxonomy-chart-area {
    flex: 1;
    position: relative;
    height: 100%;
}

.taxonomy-chart-line {
    position: absolute;
    height: 4px;
    background-color: #ccc;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
}

.taxonomy-chart-dot {
    position: absolute;
    width: 15px;
    height: 15px;
    background-color: #CCCC99;
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    transition: all 0.1s ease;
}

.taxonomy-chart-dot:hover {
    width: 20px;
    height: 20px;
    background-color: #CCCC99;
}

.taxonomy-x-axis {
    bottom: 0;
    background-color: white;
    border-top: 1px solid #e0e0e0;
    overflow: hidden;
    padding-left: 29%;
}

.count_x_axis {
    font-size: 18px;
    color: #666;
    text-overflow: ellipsis;

}

.taxonomy-x-axis-labels {
    display: flex;
    justify-content: space-between;
    width: 100%;
    font-size: 90%;
    color: #666;
}

.taxonomy-tooltip {
    position: absolute;
    background-color: #333;
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
    pointer-events: none;
    z-index: 1000;
    display: none;
    white-space: nowrap;
}

.taxonomy-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #333 transparent transparent transparent;
}

.taxonomy-grid-lines {
    position: absolute;
    top: 0;
    left: 29%;
    right: 0;
    bottom: 0;
    pointer-events: none;
    height: 85%;
    overflow: hidden;
}

.taxonomy-grid-line {
    position: absolute;
    width: 2px;
    height: 100%;
    background-color: #e8e8e8;
}



/* Physical and Chemical Properties 样式 */
.physchem-container .chart-container {
    position: relative;
    margin: 10px 20px 20px 20px;
    border-radius: 4px;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.physchem-container .chart-area {
    position: absolute;
    top: 5%;
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
    width: 100%;
    height: 100%;
    min-height: 300px;
}

.physchem-container .chart-area.active {
    display: block;
}

/* 确保ECharts图表自适应容器 */
.physchem-container .chart-area > div {
    width: 100% !important;
    height: 100% !important;
}

/* 防止图表悬浮时的布局溢出 */
.physchem-container .chart-area {
    overflow: hidden;
}

/* 确保饼图容器稳定显示 */
#chart-oxygen-pie {
    position: relative;
    width: 100%;
    height: 100%;
}

/* 防止ECharts悬浮效果引起的布局偏移 */
.physchem-container .chart-area > div > div {
    position: relative !important;
}


/* Nutrition 样式复用 taxonomy 样式 */

.nutrition-chart-row {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    height: 30px;
}

.nutrition-taxa-name {
    width: 25%;
    font-size: 100%;
    color: #333;
    text-align: right;
    padding-right: 15px;
    font-weight: 400;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nutrition-chart-area {
    flex: 1;
    position: relative;
    height: 100%;
}

.nutrition-chart-line {
    position: absolute;
    height: 4px;
    background-color: #ccc;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
}

.nutrition-chart-dot {
    position: absolute;
    width: 15px;
    height: 15px;
    background-color: #CCCC99;
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    transition: all 0.1s ease;
}

.nutrition-chart-dot:hover {
    width: 20px;
    height: 20px;
    background-color: #CCCC99;
}

.nutrition-grid-lines {
    position: absolute;
    top: 0;
    left: 24%;
    right: 0;
    bottom: 0;
    pointer-events: none;
    height: 85%;
    overflow: hidden;
}

.nutrition-grid-line {
    position: absolute;
    width: 1px;
    height: 100%;
    background-color: #e8e8e8;
}

.nutrition-x-axis-labels,
.culture-x-axis-labels {
    display: flex;
    justify-content: space-between;
    width: 100%;
    font-size: 90%;
    color: #666;
}

/* Culture Medium 样式复用 nutrition 样式 */
.culture-chart-row {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    height: 30px;
}

.culture-taxa-name {
    width: 150px;
    font-size: 12px;
    color: #333;
    text-align: right;
    padding-right: 15px;
    font-weight: 400;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.culture-chart-area {
    flex: 1;
    position: relative;
    height: 100%;
}

.culture-chart-line {
    position: absolute;
    height: 2px;
    background-color: #ccc;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
}

.culture-chart-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    background-color: #6BC8D1;
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    transition: all 0.1s ease;
}

.culture-chart-dot:hover {
    width: 15px;
    height: 15px;
    background-color: #6BC8D1;
}

.culture-grid-lines {
    position: absolute;
    top: 0;
    left: 150px;
    right: 0;
    bottom: 0;
    pointer-events: none;
    height: 90%;
    overflow: hidden;
}

.culture-grid-line {
    position: absolute;
    width: 1px;
    height: 100%;
    background-color: #e8e8e8;
}

/* Tools 区域样式 */
.tools-section {
    width: 100%;
    margin-top: 20px;
    margin-bottom: 20px;
}

.tools-header {
    /* background: linear-gradient(135deg, #4A90A4, #6BC8D1); */
    background-color: #2D6B7D;
    padding: 10px 20px;
    border-radius: 12px 12px 0 0;
    margin-bottom: 0;
}

.tools-header h2 {
    color: white;
    font-size: 150%;
    font-weight: 700;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    background: white;
    border-radius: 0 0 12px 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    overflow: hidden;
}

.tool-card {
    display: flex;
    align-items: flex-start;
    padding: 30px;
    border-bottom: 1px solid #f0f0f0;
    border-right: 1px solid #f0f0f0;
    transition: all 0.3s ease;
    background: white;
}

.tool-card:nth-child(2n) {
    border-right: none;
}

.tool-card:nth-last-child(-n+2) {
    border-bottom: none;
}

.tool-card:nth-child(5) {
    border-right: none;
    border-bottom: none;
    grid-column: 1 / -1;
    justify-content: center;
}

.tool-card:hover {
    background: #f8fffe;
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.tool-icon {
    width: 80px;
    height: 80px;
    border: 1px solid #e0e0e0;
    border-radius: 16px;
    /* background: linear-gradient(135deg, #47b7be, #2E5A61); */
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 24px;
    flex-shrink: 0;
    /* box-shadow: 0 4px 16px rgba(71, 183, 190, 0.3); */
}

.tool-icon i {
    font-size: 300%;
}

.tool-content {
    flex: 1;
}

.tool-title {
    font-size: 130%;
    font-weight: 700;
    color: #4A90A4;
    margin: 0 0 12px 0;
    line-height: 1.3;
}

.tool-description {
    font-size: 110%;
    color: #666;
    line-height: 1.6;
    margin: 0;
}