* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #006994;
    --secondary-color: #00a8cc;
    --accent-color: #00d4ff;
    --light-blue: #e8f4f8;
    --dark-blue: #003366;
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a68;
    --white: #ffffff;
    --bg-gradient: linear-gradient(135deg, #006994 0%, #00a8cc 50%, #00d4ff 100%);
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: linear-gradient(135deg, rgba(0, 168, 204, 0.95) 0%, rgba(0, 105, 148, 0.95) 50%, rgba(0, 80, 130, 0.95) 100%);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 105, 148, 0.3);
    overflow: hidden;
}

/* 导航栏底部海浪装饰 */
header::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 200%;
    height: 20px;
    background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 20' preserveAspectRatio='none'><path d='M0,10 C150,20 350,0 500,10 C650,20 850,0 1000,10 C1100,15 1150,8 1200,10 L1200,20 L0,20 Z' fill='rgba(255,255,255,0.9)'/></svg>") repeat-x;
    background-size: 600px 20px;
    animation: waveMove 12s linear infinite;
    pointer-events: none;
}

header::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 200%;
    height: 14px;
    background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 20' preserveAspectRatio='none'><path d='M0,10 C200,0 400,20 600,10 C800,0 1000,20 1200,10 L1200,20 L0,20 Z' fill='rgba(102,224,255,0.7)'/></svg>") repeat-x;
    background-size: 800px 14px;
    animation: waveMove 8s linear infinite reverse;
    pointer-events: none;
}

@keyframes waveMove {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    position: relative;
    z-index: 2;
}

.logo {
    display: flex;
    align-items: center;
    color: #ffffff;
    font-size: 24px;
    font-weight: bold;
    text-decoration: none;
    text-shadow: 0 2px 8px rgba(0, 80, 130, 0.5);
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: translateY(-2px) scale(1.05);
}

.logo i {
    margin-right: 10px;
    font-size: 28px;
    color: #66e0ff;
    filter: drop-shadow(0 0 6px rgba(102, 224, 255, 0.6));
}

.nav-links {
    display: flex;
    list-style: none;
    margin-left: auto;
}

.nav-links li {
    margin-left: 5px;
    position: relative;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 18px;
    border-radius: 25px;
    transition: all 0.4s ease;
    position: relative;
    display: inline-block;
    overflow: hidden;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* 链接下方的海浪 */
.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 224, 255, 0.25) 0%, rgba(0, 212, 255, 0.3) 100%);
    border-radius: 25px;
    transform: translateX(-50%);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: -1;
}

/* 链接下方的海浪线 */
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg,
        transparent 0%,
        #66e0ff 30%,
        #ffffff 50%,
        #66e0ff 70%,
        transparent 100%);
    border-radius: 50%;
    transform: translateX(-50%);
    transition: width 0.4s ease;
    box-shadow: 0 0 8px rgba(102, 224, 255, 0.6);
}

.nav-links a:hover {
    color: #ffffff;
    text-shadow: 0 0 8px rgba(102, 224, 255, 0.8);
}

.nav-links a:hover::before {
    width: 100%;
}

.nav-links a:hover::after {
    width: 80%;
}

.nav-links a.active {
    color: #ffffff;
    background: linear-gradient(135deg, rgba(102, 224, 255, 0.3) 0%, rgba(0, 168, 204, 0.4) 100%);
    box-shadow: 0 0 15px rgba(102, 224, 255, 0.4);
    text-shadow: 0 0 6px rgba(255, 255, 255, 0.8);
}

.nav-links a.active::after {
    width: 80%;
}

.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background: var(--white);
    margin: 5px;
    transition: all 0.3s ease;
}

.hero {
    background: var(--bg-gradient);
    color: var(--white);
    padding: 150px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to top, var(--white), transparent);
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 100px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23ffffff' fill-opacity='0.3' d='M0,192L48,197.3C96,203,192,213,288,229.3C384,245,480,267,576,250.7C672,235,768,181,864,181.3C960,181,1056,235,1152,234.7C1248,235,1344,181,1392,154.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E");
    background-size: 50% 100%;
    animation: wave 10s linear infinite;
}

@keyframes wave {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease;
}

.hero p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease 0.2s;
    animation-fill-mode: both;
}

.cta-button {
    display: inline-block;
    background: var(--white);
    color: var(--primary-color);
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    transition: all 0.3s ease;
    animation: fadeInUp 0.8s ease 0.4s;
    animation-fill-mode: both;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 2px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 105, 148, 0.1);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 105, 148, 0.2);
}

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: 25px;
}

.card-content h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 22px;
}

.card-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.card-link {
    display: inline-flex;
    align-items: center;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.card-link:hover {
    color: var(--accent-color);
}

.card-link i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.card-link:hover i {
    transform: translateX(5px);
}

.stats {
    background: var(--light-blue);
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 3px 15px rgba(0, 105, 148, 0.1);
}

.stat-item i {
    font-size: 40px;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.stat-item .number {
    font-size: 48px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-item .label {
    color: var(--text-secondary);
    font-size: 16px;
}

.featured {
    background: var(--dark-blue);
    color: var(--white);
    padding: 80px 0;
}

.featured h2 {
    color: var(--white);
}

.featured .card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.featured .card-enhanced {
    background: var(--white);
}

.featured .card-content h3 {
    color: var(--primary-color);
}

.featured .card-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.featured .card-link {
    color: var(--accent-color);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin: 12px 0 18px;
    font-size: 0.85rem;
    color: var(--text-light);
}

.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.article-meta i {
    color: var(--primary-color);
}

footer {
    background: var(--dark-blue);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    margin-bottom: 20px;
    color: var(--accent-color);
}

.footer-section p {
    margin-bottom: 15px;
    opacity: 0.8;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--accent-color);
    color: var(--dark-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.6;
}

.breadcrumb {
    background: var(--light-blue);
    padding: 100px 0 20px;
}

.breadcrumb ul {
    list-style: none;
    display: flex;
    align-items: center;
}

.breadcrumb li {
    margin-right: 10px;
}

.breadcrumb li a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb li:last-child {
    color: var(--text-secondary);
}

.breadcrumb li:not(:last-child)::after {
    content: '>';
    margin-left: 10px;
    color: var(--text-secondary);
}

.inner-page {
    padding: 60px 0;
}

.inner-page h2 {
    color: var(--primary-color);
    margin-bottom: 30px;
}

.inner-page p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 18px;
    line-height: 1.8;
}

.inner-page img {
    max-width: 80%;
    max-height: 500px;
    border-radius: 12px;
    margin: 30px auto;
    display: block;
    box-shadow: 0 8px 30px rgba(0, 105, 148, 0.15);
    object-fit: cover;
}

.section-with-deco img.zoom-in {
    max-width: 80%;
    max-height: 500px;
    margin: 30px auto;
    display: block;
    object-fit: cover;
}

@media (max-width: 768px) {
    .inner-page img,
    .section-with-deco img.zoom-in {
        max-width: 95%;
        max-height: 350px;
        margin: 20px auto;
    }
}

@media (max-width: 480px) {
    .inner-page img,
    .section-with-deco img.zoom-in {
        max-width: 100%;
        max-height: 280px;
        margin: 15px auto;
    }
}

.image-text-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
    margin: 40px 0;
}

.image-text-row .image-col {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.image-text-row .image-col img {
    max-width: 100%;
    max-height: 450px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 105, 148, 0.15);
    object-fit: cover;
}

.image-text-row .text-col {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.image-text-row .text-col h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.image-text-row .text-col p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin: 0;
}

.image-text-row .text-col .info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.image-text-row .text-col .info-list li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    font-size: 15px;
    color: var(--text-primary);
    border-bottom: 1px solid rgba(0, 105, 148, 0.1);
}

.image-text-row .text-col .info-list li:last-child {
    border-bottom: none;
}

.image-text-row .text-col .info-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(102, 224, 255, 0.5);
}

@media (max-width: 768px) {
    .image-text-row {
        gap: 25px;
        flex-direction: column;
    }
    .image-text-row .image-col,
    .image-text-row .text-col {
        min-width: 100%;
    }
    .image-text-row .image-col img {
        max-height: 350px;
    }
    .image-text-row .text-col h3 {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .image-text-row {
        gap: 20px;
        margin: 25px 0;
    }
    .image-text-row .image-col img {
        max-height: 280px;
    }
    .image-text-row .text-col h3 {
        font-size: 20px;
    }
}

.highlight-list {
    margin-top: 25px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.highlight-item {
    display: flex;
    align-items: center;
    padding: 18px 25px;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: default;
}

.highlight-item:hover {
    transform: translateX(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.highlight-item i {
    font-size: 22px;
    margin-right: 15px;
    flex-shrink: 0;
    color: #fff;
}

.highlight-item span {
    color: #fff;
    font-size: 16px;
    line-height: 1.6;
}

.highlight-item.success {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.9) 0%, rgba(39, 174, 96, 0.85) 100%);
    border-left: 4px solid #27ae60;
}

.highlight-item.danger {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.9) 0%, rgba(192, 57, 43, 0.85) 100%);
    border-left: 4px solid #c0392b;
}

.highlight-item.info {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.9) 0%, rgba(41, 128, 185, 0.85) 100%);
    border-left: 4px solid #2980b9;
}

@media (max-width: 768px) {
    .highlight-item {
        padding: 15px 20px;
        font-size: 15px;
    }
    
    .highlight-item i {
        font-size: 18px;
        margin-right: 12px;
    }
    
    .highlight-item span {
        font-size: 14px;
    }
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    height: 200px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 20px;
    color: var(--white);
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .overlay {
    transform: translateY(0);
}

.article-list {
    margin-top: 30px;
}

.article-item {
    display: flex;
    background: var(--light-blue);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.article-item:hover {
    box-shadow: 0 5px 20px rgba(0, 105, 148, 0.15);
}

.article-item img {
    width: 200px;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    margin-right: 20px;
}

.article-item .article-content {
    flex: 1;
}

.article-item h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.article-item p {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.article-item .meta {
    color: var(--text-secondary);
    font-size: 14px;
}

.quiz-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--light-blue);
    padding: 40px;
    border-radius: 15px;
}

.quiz-question {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 3px 15px rgba(0, 105, 148, 0.1);
}

.quiz-question h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 20px;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.quiz-option {
    padding: 15px 20px;
    background: var(--light-blue);
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
}

.quiz-option:hover {
    border-color: var(--secondary-color);
    background: rgba(0, 168, 204, 0.1);
}

.quiz-option.selected {
    border-color: var(--primary-color);
    background: rgba(0, 105, 148, 0.1);
}

.quiz-option.correct {
    border-color: #2ecc71;
    background: rgba(46, 204, 113, 0.1);
}

.quiz-option.incorrect {
    border-color: #e74c3c;
    background: rgba(231, 76, 60, 0.1);
}

.quiz-controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.quiz-btn {
    padding: 15px 40px;
    border: none;
    border-radius: 50px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
}

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

.quiz-btn-primary:hover {
    background: var(--secondary-color);
}

.quiz-btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.quiz-btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
}

.quiz-result {
    text-align: center;
    padding: 40px;
}

.quiz-result h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.quiz-result .score {
    font-size: 72px;
    font-weight: bold;
    color: var(--secondary-color);
    margin: 30px 0;
}

.quiz-result p {
    font-size: 18px;
    color: var(--text-secondary);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--light-blue);
    padding: 40px;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--primary-color);
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-btn {
    width: 100%;
    padding: 15px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-weight: bold;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.form-btn:hover {
    background: var(--secondary-color);
}

.contact-info {
    margin-top: 40px;
    text-align: center;
}

.contact-info p {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.contact-info i {
    margin-right: 10px;
    color: var(--secondary-color);
}

.policy-list {
    margin-top: 30px;
}

.policy-item {
    background: var(--light-blue);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.policy-item h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.policy-item p {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.policy-item .date {
    color: var(--secondary-color);
    font-size: 14px;
}

.volunteer-list {
    margin-top: 30px;
}

.volunteer-item {
    background: var(--white);
    border: 2px solid var(--light-blue);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.volunteer-item:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 5px 20px rgba(0, 105, 148, 0.1);
}

.volunteer-item h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.volunteer-item p {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.volunteer-item .info {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 15px;
}

.volunteer-item .info-item {
    display: flex;
    align-items: center;
    color: var(--text-secondary);
}

.volunteer-item .info-item i {
    margin-right: 8px;
    color: var(--secondary-color);
}

.volunteer-btn {
    display: inline-block;
    padding: 10px 25px;
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: background 0.3s ease;
}

.volunteer-btn:hover {
    background: var(--secondary-color);
}

.tips-list {
    margin-top: 30px;
}

.tip-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.tip-item .icon {
    width: 60px;
    height: 60px;
    background: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.tip-item .icon i {
    font-size: 28px;
    color: var(--secondary-color);
}

.tip-item .content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.tip-item .content p {
    color: var(--text-secondary);
}

.news-list {
    margin-top: 30px;
}

.news-item {
    background: var(--white);
    border-bottom: 1px solid var(--light-blue);
    padding: 30px 0;
    transition: all 0.3s ease;
}

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

.news-item:hover {
    background: var(--light-blue);
    padding-left: 20px;
    padding-right: 20px;
}

.news-item .news-date {
    color: var(--secondary-color);
    font-size: 14px;
    margin-bottom: 10px;
}

.news-item h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 22px;
}

.news-item p {
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 65px;
        flex-direction: column;
        background: var(--primary-color);
        width: 100%;
        text-align: center;
        transition: right 0.3s ease;
        padding: 20px 0;
    }

    .nav-links li {
        margin: 15px 0;
    }

    .nav-links.active {
        right: 0;
    }

    .burger {
        display: block;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero p {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .article-item {
        flex-direction: column;
    }

    .article-item img {
        width: 100%;
        height: 200px;
        margin: 0 0 15px 0;
    }

    .stats-grid {
        gap: 20px;
    }

    .quiz-container {
        padding: 20px;
    }

    .contact-form {
        padding: 20px;
    }

    .footer-content {
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 120px 0 80px;
    }

    .hero h1 {
        font-size: 26px;
    }

    .section {
        padding: 50px 0;
    }

    .card {
        margin-bottom: 20px;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

html {
    scroll-behavior: smooth;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
}

/* ===== 主题切换功能 ===== */
.theme-toggle {
    position: fixed;
    top: 90px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    z-index: 999;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    border: none;
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    background: var(--secondary-color);
}

[data-theme="dark"] {
    --primary-color: #00d4ff;
    --secondary-color: #00a8cc;
    --accent-color: #66e0ff;
    --light-blue: #001a2e;
    --dark-blue: #000814;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0b0;
    --white: #0a1929;
    --bg-gradient: linear-gradient(135deg, #001a2e 0%, #003366 50%, #006994 100%);
}

[data-theme="dark"] .card,
[data-theme="dark"] .stat-item,
[data-theme="dark"] .article-item,
[data-theme="dark"] .quiz-container,
[data-theme="dark"] .contact-form,
[data-theme="dark"] .policy-item,
[data-theme="dark"] .volunteer-item,
[data-theme="dark"] .tip-item {
    background: rgba(10, 25, 41, 0.8);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

[data-theme="dark"] .quiz-question,
[data-theme="dark"] .quiz-option {
    background: rgba(0, 26, 46, 0.6);
    color: var(--text-primary);
}

[data-theme="dark"] .news-item {
    background: rgba(10, 25, 41, 0.5);
}

[data-theme="dark"] header {
    background: rgba(0, 8, 20, 0.95);
}

[data-theme="dark"] .breadcrumb,
[data-theme="dark"] .stats {
    background: rgba(0, 26, 46, 0.5);
}

[data-theme="dark"] footer {
    background: #000814;
}

[data-theme="dark"] .tab-button,
[data-theme="dark"] .accordion-header,
[data-theme="dark"] .accordion-item,
[data-theme="dark"] .counter-box,
[data-theme="dark"] .chart-container,
[data-theme="dark"] .timeline-content,
[data-theme="dark"] .featured .card {
    background: rgba(10, 25, 41, 0.8);
    color: var(--text-primary);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
    background: rgba(0, 26, 46, 0.6);
    color: var(--text-primary);
    border-color: rgba(0, 168, 204, 0.3);
}

[data-theme="dark"] .bar-track,
[data-theme="dark"] .progress-bar {
    background: rgba(0, 26, 46, 0.6);
}

[data-theme="dark"] .pie::after {
    background: #0a1929;
}

/* ===== 海底粒子背景 ===== */
.ocean-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.bubble {
    position: absolute;
    bottom: -100px;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.8), rgba(0, 212, 255, 0.3));
    border-radius: 50%;
    opacity: 0.6;
    animation: rise linear infinite;
}

@keyframes rise {
    0% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    50% {
        transform: translateY(-50vh) translateX(20px);
    }
    100% {
        transform: translateY(-110vh) translateX(-20px);
        opacity: 0;
    }
}

.fish {
    position: absolute;
    font-size: 30px;
    color: rgba(0, 212, 255, 0.4);
    animation: swim linear infinite;
}

@keyframes swim {
    0% {
        transform: translateX(-100px) translateY(0);
    }
    50% {
        transform: translateX(calc(100vw + 100px)) translateY(-30px);
    }
    51% {
        transform: translateX(calc(100vw + 100px)) translateY(-30px) scaleX(-1);
    }
    100% {
        transform: translateX(-100px) translateY(0) scaleX(-1);
    }
}

/* ===== 滚动动画 ===== */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.zoom-in {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.zoom-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* ===== 装饰元素 ===== */
.decorative-wave {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 100'%3E%3Cpath fill='%23006994' fill-opacity='0.1' d='M0,50L48,45C96,40,192,30,288,35C384,40,480,60,576,65C672,70,768,60,864,50C960,40,1056,30,1152,35C1248,40,1344,60,1396,70L1440,80L1440,0L1396,0C1344,0,1248,0,1152,0C1056,0,960,0,864,0C768,0,672,0,576,0C480,0,384,0,288,0C192,0,96,0,48,0L0,0Z'%3E%3C/path%3E%3C/svg%3E");
    background-size: cover;
    pointer-events: none;
}

.section-with-deco {
    position: relative;
    overflow: hidden;
}

.section-with-deco::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1), transparent);
    border-radius: 50%;
    pointer-events: none;
}

.section-with-deco::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: -50px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(0, 168, 204, 0.08), transparent);
    border-radius: 50%;
    pointer-events: none;
}

/* ===== 增强版Hero ===== */
.hero-enhanced {
    background-color: #000;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    color: var(--white);
    padding: 150px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.15) 50%, rgba(0,0,0,0.4) 100%);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 30, 60, 0.55) 0%, rgba(0, 80, 130, 0.4) 50%, rgba(0, 120, 160, 0.3) 100%);
    z-index: 1;
}

.hero-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23ffffff' fill-opacity='0.05' d='M0,192L48,197.3C96,203,192,213,288,229.3C384,245,480,267,576,250.7C672,235,768,181,864,181.3C960,181,1056,235,1152,234.7C1248,235,1344,181,1392,154.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E");
    background-size: cover;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 0, 0, 0.4);
}

.hero-content h1 {
    text-shadow: 0 3px 20px rgba(0, 0, 0, 0.7), 0 0 40px rgba(0, 0, 0, 0.5);
}

/* ===== 海洋风标题 ===== */
.ripple-title {
    font-family: 'ZCOOL XiaoWei', 'Ma Shan Zheng', 'Long Cang', 'Pacifico', cursive, serif;
    font-size: 80px;
    font-weight: 400;
    letter-spacing: 8px;
    color: #ffffff;
    text-shadow:
        0 0 10px rgba(102, 224, 255, 0.8),
        0 0 20px rgba(102, 224, 255, 0.6),
        0 0 30px rgba(0, 168, 204, 0.4),
        0 3px 15px rgba(0, 0, 0, 0.5);
    margin: 0 0 30px;
    padding: 0 20px;
    position: relative;
    display: inline-block;
}

.ripple-text {
    position: relative;
    z-index: 2;
    display: inline-block;
}

@media (max-width: 768px) {
    .ripple-title {
        font-size: 48px;
        letter-spacing: 4px;
    }
}

@media (max-width: 480px) {
    .ripple-title {
        font-size: 36px;
        letter-spacing: 2px;
    }
}

.hero-subtitle {
    font-size: 22px;
    margin-bottom: 30px;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s;
    animation-fill-mode: both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.5s;
    animation-fill-mode: both;
}

.cta-button-secondary {
    display: inline-block;
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    transition: all 0.3s ease;
}

.cta-button-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 30px;
    animation: bounce 2s infinite;
    z-index: 2;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-15px); }
}

/* ===== 轮播图 ===== */
.carousel {
    position: relative;
    max-width: 1000px;
    margin: 40px auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 105, 148, 0.2);
}

.carousel-inner {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-item {
    min-width: 100%;
    height: 400px;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: flex-end;
}

.carousel-caption {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--white);
    padding: 30px;
    width: 100%;
}

.carousel-caption h3 {
    font-size: 28px;
    margin-bottom: 10px;
}

.carousel-caption p {
    font-size: 16px;
    opacity: 0.9;
}

.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.3);
    color: var(--white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.carousel-control:hover {
    background: rgba(255, 255, 255, 0.6);
}

.carousel-control.prev {
    left: 20px;
}

.carousel-control.next {
    right: 20px;
}

.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-indicator.active {
    background: var(--white);
    width: 30px;
    border-radius: 6px;
}

/* ===== 选项卡 ===== */
.tabs {
    margin: 40px 0;
}

.tab-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.tab-button {
    padding: 12px 30px;
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--light-blue);
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
}

.tab-button:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.tab-button.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    box-shadow: 0 3px 15px rgba(0, 105, 148, 0.3);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

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

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

/* ===== 手风琴 ===== */
.accordion {
    margin: 30px 0;
}

.accordion-item {
    background: var(--white);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0, 105, 148, 0.08);
    transition: all 0.3s ease;
}

.accordion-item:hover {
    box-shadow: 0 5px 20px rgba(0, 105, 148, 0.15);
}

.accordion-header {
    padding: 20px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--white);
    transition: all 0.3s ease;
    border: none;
    width: 100%;
    text-align: left;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
}

.accordion-header:hover {
    background: var(--light-blue);
}

.accordion-header i {
    transition: transform 0.3s ease;
    color: var(--secondary-color);
}

.accordion-item.active .accordion-header i {
    transform: rotate(180deg);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 30px;
}

.accordion-item.active .accordion-body {
    max-height: 1000px;
    padding: 0 30px 20px;
}

.accordion-body p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 10px;
}

/* ===== 数据可视化图表 ===== */
.chart-container {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 105, 148, 0.1);
    margin: 30px 0;
}

.chart-title {
    color: var(--primary-color);
    font-size: 22px;
    margin-bottom: 20px;
    text-align: center;
}

.bar-chart {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.bar-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.bar-label {
    min-width: 120px;
    color: var(--text-secondary);
    font-weight: 600;
}

.bar-track {
    flex: 1;
    height: 30px;
    background: var(--light-blue);
    border-radius: 15px;
    overflow: hidden;
    position: relative;
}

.bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 15px;
    color: var(--white);
    font-weight: 600;
    transition: width 1.5s ease;
    width: 0;
}

.pie-chart {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    margin: 20px 0;
}

.pie {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: conic-gradient(var(--primary-color) 0% 0%, var(--light-blue) 0% 100%);
    position: relative;
    transition: background 1.5s ease;
}

.pie::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: var(--white);
    border-radius: 50%;
}

.pie-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    text-align: center;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 24px;
}

.pie-legend {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pie-legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.pie-legend-color {
    width: 20px;
    height: 20px;
    border-radius: 5px;
}

/* ===== 时间线 ===== */
.timeline {
    position: relative;
    margin: 40px 0;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--secondary-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-content {
    width: 45%;
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 3px 15px rgba(0, 105, 148, 0.1);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 105, 148, 0.2);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    background: var(--primary-color);
    border: 4px solid var(--white);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--secondary-color);
    z-index: 2;
}

.timeline-year {
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 18px;
    margin-bottom: 10px;
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .timeline::before {
        left: 20px;
    }
    .timeline-item,
    .timeline-item:nth-child(even) {
        flex-direction: row;
        padding-left: 50px;
    }
    .timeline-content {
        width: 100%;
    }
    .timeline-dot {
        left: 20px;
    }
}

/* ===== 进度条 ===== */
.progress-item {
    margin: 20px 0;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 600;
}

.progress-bar {
    height: 12px;
    background: var(--light-blue);
    border-radius: 6px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 6px;
    transition: width 1.5s ease;
    width: 0;
}

/* ===== 浮动效果 ===== */
.float-animation {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.pulse-animation {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.rotate-animation {
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===== 计数器 ===== */
.counter-box {
    text-align: center;
    padding: 30px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 3px 15px rgba(0, 105, 148, 0.1);
    transition: all 0.3s ease;
}

.counter-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 105, 148, 0.2);
}

.counter-icon {
    width: 80px;
    height: 80px;
    background: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
    color: var(--secondary-color);
    transition: all 0.3s ease;
}

.counter-box:hover .counter-icon {
    background: var(--primary-color);
    color: var(--white);
    transform: rotate(360deg);
}

.counter-number {
    font-size: 48px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.counter-label {
    color: var(--text-secondary);
    font-size: 16px;
}

/* ===== 增强卡片 ===== */
.card-enhanced {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 105, 148, 0.1);
    transition: all 0.4s ease;
    position: relative;
}

.card-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.card-enhanced:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0, 105, 148, 0.25);
}

/* ===== 信息框 ===== */
.info-box {
    background: linear-gradient(135deg, var(--light-blue), rgba(0, 168, 204, 0.1));
    border-left: 5px solid var(--secondary-color);
    padding: 25px;
    border-radius: 10px;
    margin: 20px 0;
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.info-box-icon {
    font-size: 30px;
    color: var(--secondary-color);
    flex-shrink: 0;
}

.info-box-content h4 {
    color: var(--primary-color);
    margin-bottom: 8px;
}

.info-box-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== 提示标签 ===== */
.badge {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-right: 8px;
}

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

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

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

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

.badge-danger {
    background: #e74c3c;
    color: var(--white);
}

.badge-warning {
    background: #f39c12;
    color: var(--white);
}

.badge-success {
    background: #2ecc71;
    color: var(--white);
}

/* ===== 响应式调整 ===== */
@media (max-width: 768px) {
    .theme-toggle {
        top: 80px;
        right: 15px;
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .carousel-item {
        height: 300px;
    }
    
    .carousel-caption h3 {
        font-size: 20px;
    }
    
    .counter-number {
        font-size: 36px;
    }
    
    .bar-label {
        min-width: 80px;
        font-size: 14px;
    }
}
.species-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.species-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 105, 148, 0.1);
    transition: all 0.3s ease;
}

.species-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 105, 148, 0.2);
}

.species-img {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.species-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.species-card:hover .species-img img {
    transform: scale(1.1);
}

.status-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: bold;
    color: var(--white);
}

.status-tag.endangered {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.status-tag.critically-endangered {
    background: linear-gradient(135deg, #9b59b6, #8e44ad);
}

.status-tag.vulnerable {
    background: linear-gradient(135deg, #f39c12, #e67e22);
}

.species-content {
    padding: 25px;
}

.species-content h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 24px;
    display: flex;
    align-items: center;
}

.species-content h3 i {
    margin-right: 10px;
    font-size: 28px;
}

.species-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.species-info {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.species-info span {
    display: flex;
    align-items: center;
    color: var(--secondary-color);
    font-size: 14px;
    background: var(--light-blue);
    padding: 8px 12px;
    border-radius: 8px;
}

.species-info span i {
    margin-right: 6px;
}

@media (max-width: 768px) {
    .species-grid {
        grid-template-columns: 1fr;
    }
    
    .species-content h3 {
        font-size: 20px;
    }
    
    .species-info {
        flex-direction: column;
        gap: 10px;
    }
}

/* ===== 内页 Hero ===== */
.page-hero {
    position: relative;
    min-height: 480px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    overflow: hidden;
    margin-top: 70px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 50, 100, 0.7) 0%, rgba(0, 105, 148, 0.6) 50%, rgba(0, 168, 204, 0.5) 100%);
}

.page-hero-content {
    position: relative;
    z-index: 2;
    padding: 60px 20px;
    max-width: 900px;
    margin: 0 auto;
}

.page-hero h1 {
    font-size: 52px;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 0 3px 15px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease;
}

.page-hero-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1.2s ease;
}

.page-hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 30px;
    animation: fadeInUp 1.4s ease;
}

.hero-stat-item {
    text-align: center;
}

.hero-stat-item .stat-num {
    font-size: 42px;
    font-weight: 800;
    color: var(--accent-color);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    line-height: 1;
}

.hero-stat-item .stat-text {
    font-size: 14px;
    margin-top: 8px;
    opacity: 0.95;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-stat-divider {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.3);
}

.wave-decoration {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 80px;
    background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 100' preserveAspectRatio='none'><path d='M0,50 C240,90 480,90 720,50 C960,10 1200,10 1440,50 L1440,100 L0,100 Z' fill='%23ffffff'/></svg>") no-repeat bottom;
    background-size: cover;
}

.breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: 20px;
}

.page-hero .breadcrumb ul {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 10px;
    font-size: 14px;
}

.page-hero .breadcrumb ul li {
    color: rgba(255, 255, 255, 0.9);
}

.page-hero .breadcrumb ul li a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
}

.page-hero .breadcrumb ul li a:hover {
    color: var(--accent-color);
}

.page-hero .breadcrumb ul li:not(:last-child)::after {
    content: '/';
    margin-left: 10px;
    opacity: 0.6;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== 搜索框 ===== */
.search-box {
    max-width: 600px;
    margin: 30px auto 0;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    display: flex;
    align-items: center;
    padding: 6px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.search-box i {
    color: var(--white);
    margin: 0 15px;
    font-size: 18px;
}

.search-box input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--white);
    font-size: 16px;
    padding: 12px 10px;
    outline: none;
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.search-box button {
    background: var(--accent-color);
    color: var(--dark-blue);
    border: none;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.search-box button:hover {
    background: var(--white);
    transform: scale(1.05);
}

/* ===== 章节头部 ===== */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-tag {
    display: inline-block;
    padding: 6px 20px;
    background: var(--light-blue);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 15px;
}

.section-tag.light {
    background: rgba(0, 212, 255, 0.2);
    color: var(--accent-color);
}

.section-desc {
    color: var(--text-secondary);
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto;
}

.section-desc.light {
    color: rgba(255, 255, 255, 0.85);
}

.section-title.light {
    color: var(--white);
}

.section-light {
    background: var(--light-blue);
}

.section-dark {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-color) 100%);
    color: var(--white);
}

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

/* ===== 卡片图标 ===== */
.card-icon-wrapper {
    width: 80px;
    height: 80px;
    background: var(--bg-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
    color: var(--white);
    transition: all 0.4s ease;
    box-shadow: 0 5px 20px rgba(0, 105, 148, 0.3);
}

.card:hover .card-icon-wrapper {
    transform: scale(1.1) rotate(360deg);
}

/* ===== 卡片进度条 ===== */
.card-progress {
    width: 100%;
    height: 8px;
    background: var(--light-blue);
    border-radius: 4px;
    margin-top: 20px;
    overflow: hidden;
}

.card-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 4px;
    width: 0;
    transition: width 1.5s ease;
}

.card-progress-label {
    display: block;
    margin-top: 8px;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
}

/* ===== 影响条 ===== */
.action-impact-bar {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 105, 148, 0.1);
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.impact-info {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 18px;
}

.impact-info i {
    color: #e74c3c;
    font-size: 24px;
    animation: heartbeat 1.5s ease infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.1); }
    50% { transform: scale(1); }
    75% { transform: scale(1.1); }
}

.impact-bar {
    width: 100%;
    height: 30px;
    background: var(--light-blue);
    border-radius: 15px;
    overflow: hidden;
    position: relative;
}

.impact-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 15px;
    width: 0;
    transition: width 2s ease;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 15px;
    color: var(--white);
    font-weight: 600;
}

/* ===== 提示项目 ===== */
.tip-item {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 3px 15px rgba(0, 105, 148, 0.1);
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: all 0.3s ease;
    position: relative;
}

.tip-item:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 25px rgba(0, 105, 148, 0.2);
}

.tip-number {
    position: absolute;
    top: 15px;
    right: 25px;
    font-size: 36px;
    font-weight: 800;
    color: rgba(0, 105, 148, 0.1);
}

.tip-item .icon {
    width: 60px;
    height: 60px;
    background: var(--bg-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    flex-shrink: 0;
}

.tip-item .content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.tip-item .content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.tip-stats {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.tip-stats span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--light-blue);
    color: var(--primary-color);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 13px;
    font-weight: 500;
}

.tip-stats span i {
    color: var(--secondary-color);
}

/* ===== 志愿者项目 ===== */
.volunteer-item {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 3px 15px rgba(0, 105, 148, 0.1);
    margin-bottom: 20px;
    display: flex;
    gap: 25px;
    align-items: flex-start;
    transition: all 0.3s ease;
}

.volunteer-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 105, 148, 0.2);
}

.volunteer-icon-wrap {
    width: 80px;
    height: 80px;
    background: var(--bg-gradient);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 32px;
    flex-shrink: 0;
    transition: all 0.4s ease;
}

.volunteer-item:hover .volunteer-icon-wrap {
    transform: rotate(10deg) scale(1.05);
}

.volunteer-body {
    flex: 1;
}

.volunteer-body h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 22px;
}

.volunteer-body p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 15px;
}

.volunteer-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-gradient);
    color: var(--white);
    padding: 10px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    margin-top: 10px;
}

.volunteer-btn:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0, 105, 148, 0.3);
}

/* ===== 政策项目 ===== */
.policy-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 20px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    border-left: 4px solid var(--accent-color);
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}

.policy-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(10px);
}

.policy-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-blue);
    font-size: 26px;
    flex-shrink: 0;
}

.policy-body h3 {
    color: var(--accent-color);
    margin-bottom: 12px;
    font-size: 20px;
}

.policy-body p {
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    margin-bottom: 12px;
}

.policy-body .date {
    color: var(--accent-color);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ===== 行动影响文章网格 ===== */
.articles-grid,
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.article-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0, 105, 148, 0.1);
    transition: all 0.4s ease;
    cursor: pointer;
}

.article-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 105, 148, 0.2);
}

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

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.article-card:hover .article-image img {
    transform: scale(1.1);
}

.article-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--bg-gradient);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.article-tag.climate { background: linear-gradient(135deg, #ff7e5f, #feb47b); }
.article-tag.pollution { background: linear-gradient(135deg, #c471f5, #fa71cd); }
.article-tag.species { background: linear-gradient(135deg, #00d4ff, #00a8cc); }
.article-tag.ecosystem { background: linear-gradient(135deg, #11998e, #38ef7d); }
.article-tag.research { background: linear-gradient(135deg, #667eea, #764ba2); }
.article-tag.activity { background: linear-gradient(135deg, #f093fb, #f5576c); }
.article-tag.domestic { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.article-tag.international { background: linear-gradient(135deg, #fa709a, #fee140); }

.article-content {
    padding: 25px;
}

.article-content h3 {
    color: var(--primary-color);
    margin-bottom: 12px;
    font-size: 18px;
    line-height: 1.4;
    transition: color 0.3s;
}

.article-card:hover .article-content h3 {
    color: var(--secondary-color);
}

.article-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
    font-size: 14px;
}

.article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--light-blue);
    font-size: 13px;
    color: var(--text-secondary);
}

.article-date, .article-views {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.article-date i, .article-views i {
    color: var(--secondary-color);
}

/* ===== 文章筛选 ===== */
.article-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 25px;
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--light-blue);
    border-radius: 25px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.filter-btn:hover {
    border-color: var(--secondary-color);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--bg-gradient);
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 5px 15px rgba(0, 105, 148, 0.3);
}

/* ===== 特色文章 ===== */
.featured-article {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 105, 148, 0.15);
    margin-bottom: 50px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    transition: all 0.3s;
}

.featured-article:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 105, 148, 0.25);
}

.featured-image {
    position: relative;
    overflow: hidden;
}

.featured-image img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    transition: transform 0.5s;
}

.featured-article:hover .featured-image img {
    transform: scale(1.05);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #ffd700, #ff8c00);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 15px rgba(255, 140, 0, 0.4);
}

.featured-content {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

.featured-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.featured-content h2 {
    color: var(--primary-color);
    font-size: 28px;
    margin-bottom: 20px;
    line-height: 1.3;
}

.featured-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 25px;
}

.read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-gradient);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    align-self: flex-start;
    transition: all 0.3s;
    box-shadow: 0 5px 20px rgba(0, 105, 148, 0.3);
}

.read-more-btn:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 25px rgba(0, 105, 148, 0.4);
}

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.page-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 2px solid var(--light-blue);
    background: var(--white);
    color: var(--primary-color);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-btn:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
    transform: translateY(-2px);
}

.page-btn.active {
    background: var(--bg-gradient);
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 5px 15px rgba(0, 105, 148, 0.3);
}

/* ===== 新闻 ===== */
.news-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.news-tab-btn {
    padding: 10px 22px;
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--light-blue);
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

.news-tab-btn:hover {
    border-color: var(--secondary-color);
}

.news-tab-btn.active {
    background: var(--bg-gradient);
    color: var(--white);
    border-color: transparent;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.news-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0, 105, 148, 0.1);
    transition: all 0.4s ease;
    cursor: pointer;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 105, 148, 0.2);
}

.news-card.highlight {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.news-card-text .news-body {
    padding: 28px;
}

.news-card-text .news-body h3 {
    margin-top: 12px;
    margin-bottom: 12px;
    font-size: 1.3rem;
    color: var(--primary-color);
    line-height: 1.5;
}

.news-card-text .news-body p {
    color: var(--text-color);
    line-height: 1.7;
    margin-bottom: 16px;
}

.news-grid-text {
    grid-template-columns: repeat(2, 1fr);
}

.news-grid-text .news-card-text {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.news-grid-text .news-card-text .news-body {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.news-grid-text .news-card-text .news-meta {
    margin-top: auto;
}

@media (max-width: 768px) {
    .news-grid-text {
        grid-template-columns: 1fr;
    }
}

.news-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.news-card.highlight .news-image {
    height: 100%;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.news-card:hover .news-image img {
    transform: scale(1.1);
}

.news-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--bg-gradient);
    color: var(--white);
    padding: 5px 14px;
    border-radius: 15px;
    font-size: 13px;
    font-weight: 600;
}

.news-category.international { background: linear-gradient(135deg, #fa709a, #fee140); }
.news-category.domestic { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.news-category.research { background: linear-gradient(135deg, #667eea, #764ba2); }
.news-category.activity { background: linear-gradient(135deg, #f093fb, #f5576c); }

.news-date-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--white);
    border-radius: 10px;
    padding: 8px 12px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
}

.news-date-badge .day {
    display: block;
    font-size: 22px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.news-date-badge .month {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.news-body {
    padding: 25px;
}

.news-body h3 {
    color: var(--primary-color);
    margin-bottom: 12px;
    line-height: 1.4;
    transition: color 0.3s;
}

.news-card:hover .news-body h3 {
    color: var(--secondary-color);
}

.news-body p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 15px;
    font-size: 14px;
}

.news-meta {
    display: flex;
    gap: 15px;
    font-size: 13px;
    color: var(--text-secondary);
    padding-top: 15px;
    border-top: 1px solid var(--light-blue);
}

.news-meta span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.news-meta i {
    color: var(--secondary-color);
}

/* ===== 测试 ===== */
.quiz-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.quiz-intro {
    background: var(--white);
    padding: 50px 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 105, 148, 0.1);
    text-align: center;
}

.quiz-intro-icon {
    width: 100px;
    height: 100px;
    background: var(--bg-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 48px;
    margin: 0 auto 25px;
    box-shadow: 0 10px 30px rgba(0, 105, 148, 0.3);
    animation: pulse 2s infinite;
}

.quiz-intro h2 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 28px;
}

.quiz-intro p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 30px;
}

.quiz-difficulty {
    background: var(--light-blue);
    padding: 30px;
    border-radius: 15px;
    margin: 30px 0;
}

.quiz-difficulty h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 20px;
}

.difficulty-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.difficulty-btn {
    background: var(--white);
    border: 2px solid transparent;
    border-radius: 12px;
    padding: 20px 15px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.difficulty-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 105, 148, 0.2);
}

.difficulty-btn.active {
    border-color: var(--secondary-color);
    background: var(--white);
    box-shadow: 0 5px 20px rgba(0, 168, 204, 0.3);
}

.difficulty-btn i {
    font-size: 32px;
    color: var(--secondary-color);
}

.difficulty-btn .diff-name {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 16px;
}

.difficulty-btn .diff-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

.start-quiz-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-gradient);
    color: var(--white);
    padding: 16px 50px;
    border-radius: 50px;
    border: none;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 8px 25px rgba(0, 105, 148, 0.3);
    margin-top: 20px;
}

.start-quiz-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 105, 148, 0.4);
}

.quiz-container,
.quiz-result-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 105, 148, 0.1);
}

.quiz-progress {
    margin-bottom: 30px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    color: var(--primary-color);
    font-weight: 600;
}

.progress-bar {
    height: 12px;
    background: var(--light-blue);
    border-radius: 6px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 6px;
    width: 0;
    transition: width 0.5s ease;
}

.quiz-question-area {
    margin-bottom: 30px;
}

.question-category {
    display: inline-block;
    background: var(--light-blue);
    color: var(--primary-color);
    padding: 4px 14px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 15px;
}

.quiz-question-area h3 {
    color: var(--primary-color);
    font-size: 22px;
    line-height: 1.4;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 25px;
}

.option-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 18px 20px;
    background: var(--white);
    border: 2px solid var(--light-blue);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
    text-align: left;
    font-size: 16px;
    color: var(--text-primary);
}

.option-btn:hover:not(:disabled) {
    border-color: var(--secondary-color);
    background: var(--light-blue);
    transform: translateX(5px);
}

.option-btn:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.option-btn.correct {
    border-color: #2ecc71;
    background: rgba(46, 204, 113, 0.1);
}

.option-btn.wrong {
    border-color: #e74c3c;
    background: rgba(231, 76, 60, 0.1);
}

.option-letter {
    width: 36px;
    height: 36px;
    background: var(--light-blue);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
    transition: all 0.3s;
}

.option-btn.correct .option-letter {
    background: #2ecc71;
    color: var(--white);
}

.option-btn.wrong .option-letter {
    background: #e74c3c;
    color: var(--white);
}

.quiz-feedback {
    padding: 15px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.quiz-feedback.correct {
    background: rgba(46, 204, 113, 0.15);
    color: #27ae60;
    border-left: 4px solid #2ecc71;
}

.quiz-feedback.wrong {
    background: rgba(231, 76, 60, 0.15);
    color: #c0392b;
    border-left: 4px solid #e74c3c;
}

.quiz-feedback i {
    font-size: 24px;
}

.quiz-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    border-radius: 30px;
    border: none;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

.quiz-btn-primary {
    background: var(--bg-gradient);
    color: var(--white);
    box-shadow: 0 5px 15px rgba(0, 105, 148, 0.3);
}

.quiz-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 105, 148, 0.4);
}

.quiz-btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--light-blue);
}

.quiz-btn-secondary:hover {
    border-color: var(--secondary-color);
    background: var(--light-blue);
}

/* ===== 测试结果 ===== */
.quiz-result-card {
    text-align: center;
}

.result-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #ffd700, #ff8c00);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 48px;
    margin: 0 auto 20px;
    box-shadow: 0 10px 30px rgba(255, 140, 0, 0.4);
    animation: bounceIn 1s ease;
}

@keyframes bounceIn {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.quiz-result-card h2 {
    color: var(--primary-color);
    font-size: 32px;
    margin-bottom: 25px;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: conic-gradient(var(--accent-color) 0deg, var(--light-blue) 0deg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    position: relative;
    transition: all 1s ease;
}

.score-circle::before {
    content: '';
    position: absolute;
    width: 130px;
    height: 130px;
    background: var(--white);
    border-radius: 50%;
}

.score-number {
    position: relative;
    font-size: 42px;
    font-weight: 800;
    color: var(--primary-color);
    z-index: 2;
}

.score-total {
    position: absolute;
    bottom: 35px;
    color: var(--text-secondary);
    font-size: 14px;
    z-index: 2;
}

.result-message {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.result-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    margin-bottom: 30px;
    box-shadow: 0 5px 20px rgba(0, 105, 148, 0.3);
}

.result-badge i {
    font-size: 20px;
}

.result-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 30px 0;
    padding: 25px;
    background: var(--light-blue);
    border-radius: 15px;
}

.result-stat {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.result-stat i {
    font-size: 28px;
}

.result-stat:first-child i { color: #2ecc71; }
.result-stat:nth-child(2) i { color: #e74c3c; }
.result-stat:nth-child(3) i { color: var(--secondary-color); }

.result-stat-num {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.result-stat-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.result-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 25px;
}

/* ===== 学习路径 ===== */
.learning-path {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.path-item {
    background: var(--white);
    padding: 30px 25px;
    border-radius: 15px;
    text-align: center;
    width: 220px;
    position: relative;
    box-shadow: 0 5px 20px rgba(0, 105, 148, 0.1);
    transition: all 0.3s;
}

.path-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 105, 148, 0.2);
}

.path-step {
    width: 50px;
    height: 50px;
    background: var(--bg-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 800;
    margin: 0 auto 15px;
    box-shadow: 0 5px 15px rgba(0, 105, 148, 0.3);
}

.path-content i {
    font-size: 32px;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.path-content h3 {
    color: var(--primary-color);
    font-size: 16px;
    margin-bottom: 8px;
}

.path-content p {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.5;
}

.path-arrow {
    color: var(--secondary-color);
    font-size: 24px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(10px); }
}

/* ===== 联系 ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 40px;
    margin: 40px 0;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 105, 148, 0.1);
}

.form-header {
    text-align: center;
    margin-bottom: 30px;
}

.form-header-icon {
    width: 70px;
    height: 70px;
    background: var(--bg-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 30px;
    margin: 0 auto 15px;
    box-shadow: 0 8px 20px rgba(0, 105, 148, 0.3);
}

.form-header h2 {
    color: var(--primary-color);
    margin-bottom: 8px;
}

.form-header p {
    color: var(--text-secondary);
}

.contact-form-enhanced .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.contact-form-enhanced .form-group {
    margin-bottom: 0;
}

.contact-form-enhanced .form-group.full {
    grid-column: span 2;
}

.contact-form-enhanced .form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    color: var(--primary-color);
    font-weight: 600;
}

.contact-form-enhanced .form-group input,
.contact-form-enhanced .form-group select,
.contact-form-enhanced .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--light-blue);
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s;
    background: var(--white);
    color: var(--text-primary);
}

.contact-form-enhanced .form-group input:focus,
.contact-form-enhanced .form-group select:focus,
.contact-form-enhanced .form-group textarea:focus {
    border-color: var(--secondary-color);
    outline: none;
    box-shadow: 0 0 0 4px rgba(0, 168, 204, 0.15);
}

.form-checkbox {
    margin: 20px 0;
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text-secondary) !important;
    font-weight: normal !important;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--secondary-color);
}

.form-btn {
    width: 100%;
    padding: 14px 30px;
    background: var(--bg-gradient);
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 8px 20px rgba(0, 105, 148, 0.3);
}

.form-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(0, 105, 148, 0.4);
}

.form-success {
    text-align: center;
    padding: 40px;
}

.form-success i {
    font-size: 60px;
    color: #2ecc71;
    margin-bottom: 15px;
}

.form-success h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.form-success p {
    color: var(--text-secondary);
}

.contact-info-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.info-card {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 3px 15px rgba(0, 105, 148, 0.1);
    transition: all 0.3s;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 105, 148, 0.2);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: var(--bg-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    margin-bottom: 15px;
    box-shadow: 0 5px 15px rgba(0, 105, 148, 0.3);
}

.info-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 18px;
}

.info-detail {
    color: var(--text-primary);
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 5px;
}

.info-time {
    color: var(--text-secondary);
    font-size: 13px;
}

/* ===== 社交媒体卡片 ===== */
.social-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 25px;
}

.social-card {
    background: var(--white);
    padding: 30px 25px;
    border-radius: 15px;
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    box-shadow: 0 3px 15px rgba(0, 105, 148, 0.1);
    transition: all 0.3s;
}

.social-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 105, 148, 0.2);
}

.social-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 30px;
    margin: 0 auto 15px;
    transition: all 0.4s;
}

.social-card:hover .social-icon {
    transform: scale(1.1) rotate(360deg);
}

.social-icon.wechat { background: #07c160; }
.social-icon.weibo { background: #e6162d; }
.social-icon.twitter { background: #1da1f2; }
.social-icon.facebook { background: #1877f2; }

.social-card h3 {
    color: var(--primary-color);
    margin-bottom: 5px;
    font-size: 16px;
}

.social-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 10px;
}

.social-followers {
    display: inline-block;
    background: var(--light-blue);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

/* ===== 地图占位 ===== */
.map-section {
    margin: 40px 0;
}

.map-placeholder {
    background: linear-gradient(135deg, var(--light-blue), rgba(0, 168, 204, 0.2));
    height: 400px;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 105, 148, 0.1);
    border: 2px dashed var(--secondary-color);
}

.map-placeholder i {
    font-size: 80px;
    color: var(--primary-color);
    margin-bottom: 20px;
    animation: float 3s ease infinite;
}

.map-placeholder p {
    color: var(--primary-color);
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.map-placeholder small {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ===== CTA 区块 ===== */
.cta-section {
    background: linear-gradient(135deg, var(--light-blue) 0%, rgba(0, 168, 204, 0.1) 100%);
}

.cta-box {
    background: var(--bg-gradient);
    color: var(--white);
    padding: 60px 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 105, 148, 0.3);
    position: relative;
    overflow: hidden;
}

.cta-box::before,
.cta-box::after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-box::before {
    width: 200px;
    height: 200px;
    top: -80px;
    right: -50px;
}

.cta-box::after {
    width: 150px;
    height: 150px;
    bottom: -50px;
    left: -50px;
}

.cta-icon {
    width: 90px;
    height: 90px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 40px;
    position: relative;
    backdrop-filter: blur(10px);
    animation: pulse 2s infinite;
}

.cta-box h2 {
    font-size: 32px;
    margin-bottom: 15px;
    position: relative;
}

.cta-box p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.95;
    position: relative;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
}

.cta-button {
    display: inline-block;
    background: var(--white);
    color: var(--primary-color);
    padding: 14px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.cta-button-secondary {
    display: inline-block;
    background: transparent;
    color: var(--white);
    padding: 14px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    border: 2px solid var(--white);
    transition: all 0.3s;
}

.cta-button-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
}

/* ===== 信息项 ===== */
.info {
    display: flex;
    gap: 20px;
    margin: 15px 0;
    flex-wrap: wrap;
}

.info-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 14px;
}

.info-item i {
    color: var(--secondary-color);
}

/* ===== 响应式调整 ===== */
@media (max-width: 992px) {
    .page-hero h1 { font-size: 38px; }
    .page-hero-stats { flex-wrap: wrap; }
    .hero-stat-divider { display: none; }
    .featured-article { grid-template-columns: 1fr; }
    .news-card.highlight { grid-column: span 1; grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .contact-form-enhanced .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .page-hero { min-height: 400px; margin-top: 60px; }
    .page-hero h1 { font-size: 30px; }
    .page-hero-subtitle { font-size: 16px; }
    .hero-stat-item .stat-num { font-size: 32px; }
    .difficulty-options { grid-template-columns: 1fr; }
    .learning-path { flex-direction: column; }
    .path-arrow { transform: rotate(90deg); }
    .path-item { width: 100%; max-width: 280px; }
    .result-stats { grid-template-columns: 1fr; }
    .article-filters { gap: 8px; }
    .filter-btn { padding: 8px 16px; font-size: 13px; }
    .volunteer-item { flex-direction: column; }
    .volunteer-icon-wrap { width: 60px; height: 60px; font-size: 24px; }
}