/* 导航栏样式 */
nav {
    text-align: center;
    clear: both;
    padding-top: 20px;
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav ul li {
    display: inline-block;
    margin: 0 15px;
    position: relative;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: bold;
    padding: 5px 10px;
    transition: all var(--transition-fast);
    position: relative;
    display: inline-block;
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease-out;
}

nav ul li a:hover::after,
nav ul li a.active::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--primary-color);
}

/* 语言切换按钮 */
.language-toggle {
    float: right;
    margin-top: var(--spacing);
    display: flex;
    gap: 15px;
}

.lang-btn {
    padding: 8px 15px;
    border: 2px solid var(--secondary-color);
    background: white;
    border-radius: 20px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: bold;
    color: var(--text-color);
    font-size: 0.9em;
    position: relative;
    overflow: hidden;
}

.lang-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 0.7s;
}

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

.lang-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(205, 175, 113, 0.3);
    background-color: var(--accent-color);
}

.lang-btn.active {
    border-color: var(--primary-color);
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(166, 25, 46, 0.3);
}

/* 浮动导航栏样式 */
.floating-nav {
    position: fixed;
    top: -100px; /* 初始隐藏 */
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    background: white;
    border-radius: 50px;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.15);
    z-index: 2000;
    transition: top var(--transition-medium), transform var(--transition-medium);
}

.floating-nav.visible {
    top: 20px;
    animation: floatIn 0.5s ease forwards;
}

@keyframes floatIn {
    from {
        top: -100px;
        opacity: 0;
    }
    to {
        top: 20px;
        opacity: 1;
    }
}

.mini-logo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    transition: transform var(--transition-fast);
}

.mini-logo:hover {
    transform: rotate(10deg);
}

.more-actions {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1em;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.more-actions::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%, -50%);
    transform-origin: 50% 50%;
}

.more-actions:hover::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    100% {
        transform: scale(20, 20);
        opacity: 0;
    }
}

.more-actions:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(166, 25, 46, 0.3);
}

.arrow-down {
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid white;
    margin-left: 5px;
    transition: transform var(--transition-fast);
}

.more-actions[aria-expanded="true"] .arrow-down {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border-radius: var(--border-radius);
    padding: 10px 0;
    margin-top: 10px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.15);
    display: none;
    flex-direction: column;
    min-width: 200px;
    opacity: 0;
    transform: translateY(10px) translateX(-50%);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.dropdown-menu.show {
    display: flex;
    opacity: 1;
    transform: translateY(0) translateX(-50%);
    animation: fadeInUp 0.3s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px) translateX(-50%);
    }
    to {
        opacity: 1;
        transform: translateY(0) translateX(-50%);
    }
}

.dropdown-menu a {
    padding: 10px 20px;
    text-decoration: none;
    color: var(--text-color);
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.dropdown-menu a::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 0;
    background-color: var(--accent-color);
    z-index: -1;
    transition: height var(--transition-fast);
}

.dropdown-menu a:hover::before {
    height: 100%;
}

.dropdown-menu a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.dropdown-menu a.active {
    color: var(--primary-color);
    font-weight: bold;
    background-color: rgba(166, 25, 46, 0.05);
}

.float-language-toggle {
    display: flex;
    gap: 10px;
}

/* 内容块样式 */
.content-blocks {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
}

.block {
    flex: 1;
    min-width: 300px;
    background: white;
    border: 1px solid var(--secondary-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: all var(--transition-medium);
    position: relative;
}

.block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: linear-gradient(to bottom, rgba(166, 25, 46, 0.1), transparent);
    transition: height var(--transition-medium);
    z-index: 1;
}

.block:hover::before {
    height: 100%;
}

.block:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.image-container {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.image-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 70%, rgba(0, 0, 0, 0.5));
    z-index: 1;
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.block:hover .image-container img {
    transform: scale(1.1);
}

.text-content {
    padding: 20px;
    position: relative;
    z-index: 2;
}

.text-content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.text-content h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--secondary-color);
    transition: width var(--transition-medium);
}

.block:hover .text-content h3::after {
    width: 100%;
}

/* 愿景使命区域 */
.vision-mission {
    text-align: center;
    margin-bottom: 50px;
    padding: 40px 30px;
    background: white;
    border: 1px solid var(--secondary-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    position: relative;
    overflow: hidden;
}

.vision-mission::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
}

.vision-mission h2 {
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 2em;
    position: relative;
    display: inline-block;
}

.vision-mission h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--secondary-color);
}

.values-container {
    display: flex;
    gap: 30px;
    justify-content: space-between;
    flex-wrap: wrap;
}

.value-box {
    flex: 1;
    min-width: 300px;
    background: var(--accent-color);
    border: 2px solid var(--secondary-color);
    border-radius: var(--border-radius);
    padding: 30px 25px;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.value-box::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    opacity: 0.1;
    transition: all var(--transition-medium);
}

.value-box:hover::before {
    transform: scale(10);
    opacity: 0.05;
}

.value-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(205, 175, 113, 0.2);
}

.value-box h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.5em;
    position: relative;
    padding-bottom: 15px;
}

.value-box h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--secondary-color);
    transition: width var(--transition-medium);
}

.value-box:hover h3::after {
    width: 100px;
}

.value-box .content {
    text-align: left;
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.value-box .content p {
    margin-bottom: 0;
    color: var(--text-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 25px;
    border-radius: 30px;
    font-weight: bold;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%, -50%);
    transform-origin: 50% 50%;
}

.btn:hover::after {
    animation: ripple 1s ease-out;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(166, 25, 46, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(166, 25, 46, 0.4);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: 0 4px 15px rgba(205, 175, 113, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(205, 175, 113, 0.4);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(166, 25, 46, 0.2);
}

/* Cards */
.card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: all var(--transition-medium);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.card-header {
    padding: 20px;
    background: var(--gradient-primary);
    color: white;
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 15px 20px;
    background: var(--accent-color);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8em;
    font-weight: bold;
}

.badge-primary {
    background: var(--primary-color);
    color: white;
}

.badge-secondary {
    background: var(--secondary-color);
    color: white;
}

.badge-accent {
    background: var(--accent-color);
    color: var(--text-color);
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    position: relative;
}

.alert-primary {
    background: rgba(166, 25, 46, 0.1);
    border-left: 4px solid var(--primary-color);
    color: var(--primary-dark);
}

.alert-secondary {
    background: rgba(205, 175, 113, 0.1);
    border-left: 4px solid var(--secondary-color);
    color: var(--secondary-dark);
}

.alert-info {
    background: rgba(0, 123, 255, 0.1);
    border-left: 4px solid #007bff;
    color: #0056b3;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .values-container {
        flex-direction: column;
    }
    
    .value-box {
        margin-bottom: 20px;
    }
    
    .vision-mission h2 {
        font-size: 1.8em;
    }
    
    .content-blocks {
        flex-direction: column;
    }
    
    nav ul li {
        display: block;
        margin: 10px 0;
    }
    
    .language-toggle {
        float: none;
        text-align: center;
        margin-bottom: 20px;
    }
    
    .logo {
        float: none;
        text-align: center;
        margin-bottom: 20px;
    }
    
    .floating-nav {
        width: 95%;
        padding: 8px 15px;
    }
    
    .mini-logo {
        width: 30px;
        height: 30px;
    }
    
    .more-actions {
        padding: 8px 15px;
        font-size: 0.9em;
    }
    
    .lang-btn {
        padding: 6px 12px;
        font-size: 0.8em;
    }
}