/* 基础重置和原有样式 */
body {
    padding-top: 80px; /* 增加padding以适应新的导航栏 */
    margin: 0;
    box-sizing: border-box;
    background-color: #2c3e50; /* 设置背景色与footer一致 */
}

/* 段落两边对齐样式 */
p {
    text-align: justify;
    text-justify: inter-word;
}

/* 其他文本内容两边对齐 */
.content-text,
.main-text,
.solution-text,
.science-text,
.mission-text p,
.about-content p,
.society-text,
.intro-content p,
.field-content,
.content-block p,
.contribution-item p {
    text-align: justify;
    text-justify: inter-word;
}

/* 确保页面内容区域背景 */
.diabetes-project-page {
    background-color: #2c3e50;
    min-height: calc(100vh - 80px);
}

.left-aligned {
    margin-left: auto;
}

.bg-dark {
    background-color: #343a40 !important;
}

.bg-hero {
    background-color: #45b06cff;
}

/* CALLOUT */
.bd-callout {
    padding: 1.25rem;
    margin-top: 1.25rem;
    margin-bottom: 1.25rem;
    border: 1px solid #e9ecef;
    border-left-width: .25rem;
    border-radius: .25rem
}

.bd-callout h4 {
    margin-bottom: 1.25rem
}

.bd-callout p:last-child {
    margin-bottom: 0
}

.bd-callout code {
    border-radius: .25rem
}

.bd-callout + .bd-callout {
    margin-top: -.25rem
}

.bd-callout-info {
    border-left-color: #5bc0de
}

.bd-callout-warning {
    border-left-color: #f0ad4e
}

.bd-callout-danger {
    border-left-color: #d9534f
}

/* 顶部导航栏样式 */
.top-navbar {
    background: linear-gradient(135deg, #34495e 0%, #2c3e50 100%);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(244, 208, 63, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: relative;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    cursor: pointer;
    transition: transform 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.logo-section:hover {
    transform: scale(1.05);
    text-decoration: none;
}

.logo-section:focus {
    outline: 2px solid rgba(244, 208, 63, 0.5);
    outline-offset: 4px;
    border-radius: 8px;
}

.nav-logo {
    height: 45px;
    width: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-title {
    font-size: 1.2rem;
    font-weight: 900;
    color: #f4d03f;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.logo-subtitle {
    font-size: 0.8rem;
    font-weight: 600;
    color: #ecf0f1;
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    gap: 0.5rem;
    position: relative;
    background: rgba(52, 73, 94, 0.3);
    border-radius: 25px;
    padding: 0.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(244, 208, 63, 0.1);
}

.nav-item {
    color: #ecf0f1;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.8rem 1.5rem;
    border-radius: 20px;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 1;
}

.nav-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f4d03f, #f7dc6f);
    border-radius: 20px;
    transform: scale(0);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

.nav-item:hover {
    color: #2c3e50;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(244, 208, 63, 0.3);
}

.nav-item:hover::before {
    transform: scale(1);
}

.nav-item.active {
    color: #2c3e50;
    background: linear-gradient(135deg, #f4d03f, #f7dc6f);
    box-shadow: 0 4px 15px rgba(244, 208, 63, 0.4),
    inset 0 2px 4px rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
    font-weight: 700;
}

.nav-item.active::before {
    transform: scale(1);
}

/* 移动端汉堡菜单 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 4px;
    z-index: 1001;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background: #f4d03f;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* 页脚样式 */
.site-footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: #ecf0f1;
    padding: 2rem 0;
    margin-top: 3rem;
    position: relative;
    border-top: 3px solid #1abc9c;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 3rem;
}

.footer-left {
    flex: 1;
    max-width: 600px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.footer-title {
    font-size: 1.8rem;
    font-weight: bold;
    color: #f4d03f;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.footer-logo-icon {
    height: 40px;
    width: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-logo-img {
    height: 40px;
    width: auto;
}

.footer-contact {
    margin-bottom: 1.5rem;
}

.contact-item {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.contact-label {
    font-weight: 600;
    color: #f4d03f;
    min-width: 60px;
}

.contact-value {
    color: #bdc3c7;
}

.footer-copyright {
    font-size: 0.8rem;
    line-height: 1.6;
    color: #95a5a6;
}

.footer-copyright p {
    margin-bottom: 0.5rem;
}

.copyright-link,
.repo-link {
    color: #1abc9c;
    text-decoration: underline;
    transition: color 0.3s ease;
}

.copyright-link:hover,
.repo-link:hover {
    color: #16a085;
}

.footer-right {
    flex: 0 0 200px;
    display: flex;
    justify-content: flex-end;
}

.social-icons {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.social-icon {
    width: 50px;
    height: 50px;
    background: #5d6d7e;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.social-icon:hover {
    transform: translateY(-3px);
    background: #6c7b8b;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.icon-placeholder {
    width: 24px;
    height: 24px;
    background: #95a5a6;
    border-radius: 4px;
    opacity: 0.7;
}

/* 响应式设计 */
@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }

    .top-navbar {
        padding: 0.8rem 0;
    }

    .nav-container {
        padding: 0 1rem;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, #34495e 0%, #2c3e50 100%);
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        border-radius: 0;
        border: none;
        backdrop-filter: blur(20px);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-item {
        padding: 1rem 2rem;
        border-radius: 0;
        font-size: 1.1rem;
        border-bottom: 1px solid rgba(244, 208, 63, 0.1);
        text-transform: none;
        letter-spacing: normal;
    }

    .nav-item:last-child {
        border-bottom: none;
    }

    .nav-item::before {
        border-radius: 0;
    }

    .nav-item:hover {
        transform: translateX(10px);
        box-shadow: none;
    }

    .nav-item.active {
        transform: translateX(10px);
        box-shadow: none;
        border-left: 4px solid #f4d03f;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-right {
        flex: none;
        justify-content: center;
    }

    .footer-logo {
        justify-content: center;
    }

    .contact-item {
        flex-direction: column;
        gap: 0.2rem;
    }

    .contact-label {
        min-width: auto;
    }

    .footer-copyright {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .site-footer {
        padding: 1.5rem 0;
    }

    .footer-content {
        padding: 0 1rem;
    }

    .footer-title {
        font-size: 1.5rem;
    }

    .social-icons {
        gap: 0.5rem;
    }

    .social-icon {
        width: 40px;
        height: 40px;
    }

    .icon-placeholder {
        width: 20px;
        height: 20px;
    }
}

/* 防止移动端菜单打开时页面滚动 */
body.menu-open {
    overflow: hidden;
}

/* 导航栏滚动效果 */
.top-navbar.scrolled {
    background: rgba(44, 62, 80, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.3);
}

/* 下拉菜单样式 */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

/* 确保我们的下拉菜单覆盖Bootstrap样式 */
.nav-menu .nav-dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

/* 禁用Bootstrap默认的下拉箭头 */
.dropdown-toggle::after {
    display: none !important;
}

/* 下拉菜单toggle按钮的active状态 */
.dropdown-toggle.active {
    color: #2c3e50 !important;
    background: linear-gradient(135deg, #f4d03f, #f7dc6f) !important;
    box-shadow: 0 4px 15px rgba(244, 208, 63, 0.4),
    inset 0 2px 4px rgba(255, 255, 255, 0.3) !important;
    transform: translateY(-1px) !important;
    font-weight: 700 !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.dropdown-toggle.active::before {
    transform: scale(1) !important;
}

/* 确保下拉菜单toggle在active状态下保持稳定 */
.nav-dropdown .dropdown-toggle.active {
    position: relative;
    z-index: 2;
}

/* 防止鼠标悬停时覆盖active状态 */
.dropdown-toggle.active:hover {
    color: #2c3e50 !important;
    background: linear-gradient(135deg, #f4d03f, #f7dc6f) !important;
    transform: translateY(-1px) !important;
}

.dropdown-arrow {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.nav-dropdown .dropdown-menu {
    position: absolute !important;
    top: 100% !important;
    left: 50% !important;
    transform: translateX(-50%) translateY(-10px) !important;
    background: linear-gradient(135deg, #34495e 0%, #2c3e50 100%) !important;
    border-radius: 12px !important;
    padding: 0.5rem 0 !important;
    margin-top: 0.5rem !important;
    min-width: 150px !important;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3) !important;
    border: 1px solid rgba(244, 208, 63, 0.2) !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    z-index: 1001 !important;
    display: block !important;
    float: none !important;
    width: auto !important;
    margin: 0.5rem 0 0 0 !important;
    font-size: inherit !important;
    text-align: left !important;
    list-style: none !important;
    background-clip: padding-box !important;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateX(-50%) translateY(0) !important;
}

.nav-dropdown .dropdown-item {
    display: block !important;
    color: #ecf0f1 !important;
    text-decoration: none !important;
    padding: 0.8rem 1.5rem !important;
    font-weight: 500 !important;
    font-size: 0.9rem !important;
    transition: all 0.3s ease !important;
    border-radius: 8px !important;
    margin: 0.2rem 0.5rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.3px !important;
    background: transparent !important;
    white-space: nowrap !important;
    border: 0 !important;
    outline: 0 !important;
}

.nav-dropdown .dropdown-item:hover,
.nav-dropdown .dropdown-item:focus {
    background: linear-gradient(135deg, #f4d03f, #f7dc6f) !important;
    color: #2c3e50 !important;
    transform: translateX(5px) !important;
    text-decoration: none !important;
    border-radius: 8px !important;
}

.nav-dropdown .dropdown-item:first-child {
    border-radius: 8px !important;
    margin-top: 0.5rem !important;
}

.nav-dropdown .dropdown-item:last-child {
    border-radius: 8px !important;
    margin-bottom: 0.5rem !important;
}

.dropdown-item:first-child {
    border-radius: 12px 12px 0 0;
}

.dropdown-item:last-child {
    border-radius: 0 0 12px 12px;
}

/* Attribution 页面样式 */
.attribution-layout {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    background-color: #2c3e50;
    min-height: 100vh;
}

.attribution-header {
    text-align: center;
    margin-bottom: 3rem;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: #f4d03f;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.header-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.arrow-text {
    background: linear-gradient(135deg, #f4d03f, #f7dc6f);
    color: #2c3e50;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.arrow-line {
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, #f4d03f, transparent);
    position: relative;
}

.arrow-line::after {
    content: '';
    position: absolute;
    right: -8px;
    top: -5px;
    width: 0;
    height: 0;
    border-left: 8px solid #f4d03f;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
}

.attribution-photo-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    background: rgba(52, 73, 94, 0.3);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(244, 208, 63, 0.1);
}

.photo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.attribution-team-photo {
    width: calc(100vw - 4em);
    height: auto;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    filter: brightness(1.05) contrast(1.05);
    transition: transform 0.3s ease, filter 0.3s ease;
}

.attribution-team-photo:hover {
    transform: scale(1.02);
    filter: brightness(1.1) contrast(1.1);
}

.photo-caption {
    margin-top: 1rem;
    text-align: center;
}

.photo-caption h2 {
    color: #f4d03f;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
}

.attribution-badge {
    background: linear-gradient(135deg, #f4d03f, #f7dc6f);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 8px 25px rgba(244, 208, 63, 0.3);
    transform: rotate(-5deg);
}

.badge-text {
    color: #2c3e50;
    font-size: 1.5rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.attribution-members-section {
    margin-bottom: 3rem;
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    color: #f4d03f;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.header-underline {
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, #f4d03f, #f7dc6f);
    margin: 0 auto;
    border-radius: 2px;
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.members-grid:has(> :only-child) {
    grid-template-columns: 1fr;
    justify-items: center;
}

.member-card {
    background: rgba(52, 73, 94, 0.4);
    border-radius: 15px;
    padding: 1.5rem;
    border: 1px solid rgba(244, 208, 63, 0.1);
    transition: all 0.3s ease;
}

.member-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(244, 208, 63, 0.2);
    border-color: rgba(244, 208, 63, 0.3);
}

.card-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.member-avatar {
    min-width: 100px;
    max-width: 100px;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #f4d03f, #f7dc6f);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    aspect-ratio: 1 / 1;
}

.member-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.contributor-avatar {
    font-size: 2.5rem;
}

.avatar-text {
    color: #2c3e50;
    font-weight: 600;
    font-size: 0.9rem;
    z-index: 1;
}

.member-info {
    flex: 1;
}

.member-name {
    color: #f4d03f;
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 0 0.3rem 0;
}

.member-role {
    color: #1abc9c;
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    opacity: 0.9;
}

.member-tasks,
.member-specific {
    color: #ecf0f1;
    font-size: 0.85rem;
    margin: 0.5rem 0;
    opacity: 0.85;
    line-height: 1.5;
}

.member-tasks strong,
.member-specific strong {
    color: #f7dc6f;
    font-weight: 600;
}

.attribution-footer {
    text-align: center;
    margin-top: 3rem;
}

.footer-logo-section {
    display: inline-block;
    background: rgba(52, 73, 94, 0.3);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(244, 208, 63, 0.1);
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-logo {
    /* width: 50px; */
    height: 50px;
    border-radius: 50%;
}

.logo-text {
    color: #f4d03f;
    font-size: 1.5rem;
    font-weight: 900;
}

.logo-label {
    color: #ecf0f1;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .attribution-photo-section {
        flex-direction: column;
        text-align: center;
    }

    .members-grid {
        grid-template-columns: 1fr;
    }

    .card-header {
        flex-direction: column;
        text-align: center;
    }

    .member-avatar {
        align-self: center;
    }
}