/* ===== 头部样式 ===== */
header {
    background: linear-gradient(135deg, var(--primary-color), #2980b9);
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(0.75rem, 2vw, 1rem) 0;
    min-height: 3.5rem;
}

.logo {
    font-size: clamp(1.6rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--text-white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.join-btn {
    background: linear-gradient(135deg, var(--success-color), #219653);
    color: var(--text-white);
    border: none;
    padding: 0.1rem clamp(0.5rem, 3vw, 0.75rem);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    white-space: nowrap;
    font-size: clamp(1.6rem, 2vw, 2em);
    box-shadow: 0 0.125rem 0.5rem rgba(39, 174, 96, 0.3);
    position: relative;
    overflow: hidden;
}

.join-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.join-btn:hover {
    transform: translateY(-0.125rem);
    box-shadow: 0 0.25rem 0.75rem rgba(39, 174, 96, 0.4);
    background: linear-gradient(135deg, #219653, var(--success-color));
}

.join-btn:hover::before {
    left: 100%;
}

.join-btn:active {
    transform: translateY(0);
}

/* 列表页 */
.list-view {
    display: block;
    background: var(--card-color);
    width: 100%;
}

.list-header {
    padding: clamp(0.75rem, 2vw, 1rem) clamp(1rem, 2.5vw, 2rem);
    background: linear-gradient(135deg, var(--light-color) 0%, var(--bg-color) 100%);
    border-bottom: clamp(0.125rem, 0.3vw, 0.1875rem) solid var(--primary-color);
    position: relative;
}

.list-header h1 {
    font-size: clamp(1.5rem, 1.5vw, 1.8rem);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: clamp(0.25rem, 0.75vw, 0.5rem);
    letter-spacing: clamp(0.03125rem, 0.1vw, 0.0625rem);
    display: inline-block;
    border-left: clamp(0.1875rem, 0.5vw, 0.375rem) solid var(--primary-color);
    padding-left: clamp(0.5rem, 1.5vw, 1.25rem);
    text-shadow: 0.0625rem 0.0625rem 0.125rem rgba(196, 30, 58, 0.08);
}

.list-header p {
    color: var(--text-light);
    font-size: clamp(1.5rem, 1.5vw, 1.8rem);
    margin-top: clamp(0.375rem, 1vw, 0.75rem);
    font-style: italic;
}

/* 分类 */
.category_bar select{
    width: 49%;
    padding: clamp(1rem, 1vw, 1.25rem);
    font-size: clamp(1.5rem, 1.5vw, 1.8rem);
    border-radius: var(--border-radius);
}


/* 物种网格 */
.species-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(clamp(14rem, 25vw, 17.5rem), 1fr));
    gap: clamp(0.75rem, 2vw, 1.75rem);
    padding: clamp(0.75rem, 2vw, 1.125rem) clamp(1rem, 2.5vw, 2rem) clamp(1.5rem, 3vw, 3rem);
}

.species-card {
    background: var(--card-color);
    border: clamp(0.0625rem, 0.15vw, 0.09375rem) solid var(--border-color);
    padding: clamp(0.5rem, 1.2vw, 1.125rem) clamp(0.375rem, 1vw, 1rem) clamp(0.625rem, 1.5vw, 1.25rem);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    display: flex;
    flex-direction: column;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    position: relative;
    overflow: hidden;
    margin-bottom : clamp( 1rem, 1.2vw, 1.5rem);
}

.species-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: clamp(0.1875rem, 0.5vw, 0.375rem);
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.25s ease;
    transform-origin: left;
}

.species-card:hover::before {
    transform: scaleX(1);
}

.species-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-0.375rem);
    box-shadow: var(--box-shadow-lg);
    background: var(--light-color);
}

.card-img {
    width: 100%;
    height: clamp(25rem, 15vw, 30rem);
    object-fit: cover;
    background: var(--bg-color);
    margin-bottom: clamp(0.5rem, 1.2vw, 1rem);
    border-radius: var(--border-radius);
    border: clamp(0.0625rem, 0.15vw, 0.09375rem) solid var(--border-color);
}

.card-name {
    font-size: clamp(2rem, 1.5vw, 2.5rem);
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.01875rem;
    text-align: center;
}

.card-scientific {
    font-size: clamp(1.5rem, 1.5vw, 1.8rem);
    font-family: 'Courier New', monospace;
    color: var(--text-light);
    margin-bottom: clamp(0.375rem, 1vw, 0.75rem);
    border-left: clamp(0.0625rem, 0.15vw, 0.125rem) solid var(--border-color);
    padding-left: clamp(0.25rem, 0.75vw, 0.5rem);
}

.card-summary {
    font-size: clamp(1.5rem, 1.5vw, 1.8rem);
    color: var(--text-light);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.official-footer {
    background: var(--light-color);
    border-top: clamp(0.0625rem, 0.15vw, 0.125rem) solid var(--border-color);
    text-align: center;
    font-size: clamp(0.8rem, 1.5vw, 1rem);
    padding: clamp(0.5rem, 1.2vw, 1rem);
    color: var(--text-light);
    letter-spacing: clamp(0.015625rem, 0.04vw, 0.03125rem);
}

/* 详情页 */
#detail {
    border: clamp(0.1rem, 0.15vw, 0.2em) solid var(--dark-color);
    min-height: 100vh;
    pointer-events: auto;
    position: relative;
    z-index: 10;
}

.detail-view {
    display: none;
    background: var(--card-color);
    position: relative;
    width: 100%;
    min-height: 100vh;
}

.detail-close-btn {
    position: absolute;
    top: clamp(1.25rem, 2vw, 1.625rem);
    right: clamp(0.875rem, 2vw, 1.875rem);
    width: clamp(2rem, 4vw, 2.75rem);
    height: clamp(2rem, 4vw, 2.75rem);
    background: var(--light-color);
    border: clamp(0.0625rem, 0.15vw, 0.09375rem) solid var(--primary-color);
    border-radius: clamp(1.875rem, 4vw, 3.75rem);
    font-size: clamp(1.5rem, 1.5vw, 1.8rem);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    z-index: 110;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
    font-weight: 500;
}

.detail-close-btn:hover {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
    transform: scale(0.96);
}

.main-grid {
    display: flex;
    flex-wrap: wrap;
}

.image-panel {
    flex: 1.2;
    background: var(--light-color);
    padding: clamp(0.75rem, 2vw, 2rem) clamp(0.75rem, 2vw, 1.75rem);
    border-right: clamp(0.0625rem, 0.15vw, 0.125rem) solid var(--border-color);
    box-shadow: var(--box-shadow);
}

.info-panel {
    flex: 1;
    background: var(--card-color);
    padding: clamp(0.75rem, 2vw, 2.25rem) clamp(0.75rem, 2vw, 2rem) clamp(1.25rem, 2.5vw, 2.5rem);
}

.carousel-container {
    width: 100%;
    margin-bottom: clamp(0.75rem, 1.5vw, 1.5rem);
}

.image-frame {
    position: relative;
    width: 100%;
    height: 50vh;
    background: var(--bg-color);
    border: clamp(0.0625rem, 0.15vw, 0.125rem) solid var(--border-color);
    border-radius: var(--border-radius);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: clamp(0.5rem, 1.5vw, 1.25rem);
    cursor: pointer;
    transition: var(--transition);
}

.image-frame:hover {
    border-color: var(--primary-color);
    background: var(--light-color);
    transform: scale(0.99);
}

.loading_tip{
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
}

.animal-img {
    max-width: 100%;
    height: 100%;
    object-fit: contain;
    background: var(--card-color);
    border-radius: var(--border-radius);
}

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: clamp(0.625rem, 1.5vw, 1.375rem);
    gap: clamp(0.5rem, 1.2vw, 1rem);
    flex-wrap: wrap;
}

.thumb-list {
    display: flex;
    gap: clamp(0.375rem, 1vw, 0.875rem);
    overflow-x: auto;
    padding: clamp(0.125rem, 0.3vw, 0.375rem) clamp(0.0625rem, 0.15vw, 0.125rem);
    flex: 2;
}

.thumb-item {
    width: clamp(2.5rem, 5vw, 3.5rem);
    height: clamp(2.5rem, 5vw, 3.5rem);
    object-fit: cover;
    border: clamp(0.0625rem, 0.15vw, 0.125rem) solid var(--border-color);
    cursor: pointer;
    border-radius: var(--border-radius);
    background: var(--bg-color);
    transition: var(--transition);
}

.thumb-item.active-thumb {
    border-color: var(--primary-color);
    box-shadow: var(--box-shadow);
    transform: scale(1.02);
}

.carousel-arrow-btn {
    background: var(--primary-color);
    border: none;
    color: var(--text-white);
    padding: clamp(0.25rem, 0.6vw, 0.5rem) clamp(0.5rem, 1.5vw, 1.25rem);
    font-size: clamp(1.5rem, 1.5vw, 1.8rem);
    font-weight: 500;
    cursor: pointer;
    border-radius: clamp(1.25rem, 3vw, 2.5rem);
    transition: var(--transition);
    box-shadow: var(--box-shadow);
}

.carousel-arrow-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-0.125rem);
}

/* 信息区域 */
.dialect-title {
    font-weight: 800;
    font-size: clamp(1.5rem, 1.5vw, 1.8rem);
    margin: 0 0 clamp(0.5rem, 1.5vw, 1.25rem) 0;
    padding-bottom: clamp(0.25rem, 0.75vw, 0.625rem);
    border-bottom: clamp(0.0625rem, 0.15vw, 0.125rem) solid var(--border-color);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: clamp(0.25rem, 0.75vw, 0.625rem);
}

.dialect-list {
    display: flex;
    flex-direction: column;
    gap: clamp(0.375rem, 1vw, 0.75rem);
}

.dialect-item {
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    background: var(--card-color);
    border: clamp(0.0625rem, 0.15vw, 0.09375rem) solid var(--border-color);
    padding: clamp(0.25rem, 0.6vw, 0.5rem) clamp(0.5rem, 1.5vw, 1.375rem);
    border-radius: clamp(1.875rem, 4vw, 3.75rem);
    transition: var(--transition);
}

.dialect-item:hover {
    background: var(--light-color);
    border-color: var(--primary-color);
}

.dialect-region {
    font-weight: 700;
    background: rgba(225, 83, 46, 0.13);
    padding: clamp(0.125rem, 0.3vw, 0.25rem) clamp(0.375rem, 1vw, 1.125rem);
    font-size: clamp(1.2rem, 1.5vw, 1.5rem);
    color: var(--primary-color);
    min-width: clamp(4.5rem, 10vw, 5.625rem);
    border-radius: clamp(1.25rem, 3vw, 2.5rem);
}
.dialect-whitebg{
    background: #ffffff;
}

.sound-btn {
    background: var(--light-color);
    border: clamp(0.0625rem, 0.15vw, 0.09375rem) solid var(--border-color);
    font-size: clamp(1.5rem, 1.5vw, 1.8rem);
    font-weight: 600;
    cursor: pointer;
    color: var(--primary-color);
    border-radius: clamp(1.875rem, 4vw, 3.75rem);
    transition: var(--transition);
}

.sound-btn:hover {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
    transform: scale(0.96);
}

/* 放大模态 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(45, 27, 27, 0.92);
    backdrop-filter: blur(clamp(0.25rem, 0.5vw, 0.4375rem));
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    cursor: pointer;
}

.modal-image {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    background: var(--card-color);
    border: clamp(0.125rem, 0.3vw, 0.25rem) solid var(--primary-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
}

.close-hint {
    position: absolute;
    bottom: clamp(1rem, 2.5vw, 2rem);
    left: 0;
    right: 0;
    text-align: center;
    color: var(--text-white);
    background: rgba(196, 30, 58, 0.65);
    width: max-content;
    margin: 0 auto;
    padding: clamp(0.1875rem, 0.5vw, 0.375rem) clamp(0.75rem, 2vw, 1.625rem);
    border-radius: clamp(1.875rem, 4vw, 3.75rem);
    font-size: clamp(1.5rem, 1.5vw, 1.8rem);
    pointer-events: none;
    backdrop-filter: blur(clamp(0.125rem, 0.3vw, 0.25rem));
}

/* 响应式断点 */
@media (max-width: 780px) {
    .image-panel {
        border-right: none;
        border-bottom: clamp(0.0625rem, 0.15vw, 0.125rem) solid var(--border-color);
        padding: clamp(0.75rem, 2vw, 1.5rem) clamp(0.5rem, 1.5vw, 1.125rem);
    }
    .info-panel {
        padding: clamp(0.75rem, 2vw, 1.5rem) clamp(0.5rem, 1.5vw, 1.25rem);
    }
    .species-grid {
        display: block;
        padding: clamp(0.5rem, 1.5vw, 1.25rem);
    }
    .list-header {
        padding: clamp(0.5rem, 1.5vw, 1.25rem);
    }
}

@media (max-width: 560px) {
    .thumb-item {
        width: clamp(2rem, 8vw, 2.875rem);
        height: clamp(2rem, 8vw, 2.875rem);
    }
    .dialect-item {
        border-radius: clamp(0.75rem, 2vw, 1.875rem);
        flex-direction: column;
        align-items: stretch;
        gap: clamp(0.25rem, 0.75vw, 0.5rem);
        padding: clamp(0.375rem, 1vw, 0.75rem) clamp(0.375rem, 1vw, 0.875rem);
    }
}