/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* 导航栏样式 */
.main-nav {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
}

.logo h1 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin: 0;
}

.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin: 0 1rem;
}

.nav-links a {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: #3498db;
}

/* 页面头部样式 */
.page-header {
    position: relative;
    width: 100%;
}

/* 背景图片容器 */
.header-bg {
    position: relative;
    width: 100%;
    background-size: cover;
    background-position: center;
    min-height: 400px;
}

/* 背景遮罩 */
.header-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

/* 头部内容样式 */
.header-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 6rem 0;
    color: #ffffff;
    max-width: 800px;
    margin: 0 auto;
}

/* 主标题样式 */
.header-content h1 {
    font-size: 4.5rem;
    font-weight: 800;
    letter-spacing: 3px;
    margin-bottom: 1.5rem;
    color: #ffffff;
    text-shadow: 
        0 0 20px rgba(255, 255, 255, 0.8),
        0 0 40px rgba(33, 150, 243, 0.6),
        2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: glow 3s ease-in-out infinite alternate;
}

/* 副标题样式 */
.header-content p {
    font-size: 1.8rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.4;
}

@keyframes glow {
    from {
        text-shadow: 
            0 0 20px rgba(255, 255, 255, 0.8),
            0 0 40px rgba(33, 150, 243, 0.6),
            2px 2px 4px rgba(0, 0, 0, 0.3);
    }
    to {
        text-shadow: 
            0 0 10px rgba(255, 255, 255, 0.8),
            0 0 20px rgba(33, 150, 243, 0.6),
            2px 2px 4px rgba(0, 0, 0, 0.3);
    }
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .header-content {
        padding: 4rem 0;
    }
    
    .header-content h1 {
        font-size: 3rem;
    }
    
    .header-content p {
        font-size: 1.4rem;
    }
}

@media screen and (max-width: 480px) {
    .header-content h1 {
        font-size: 2.5rem;
    }
    
    .header-content p {
        font-size: 1.2rem;
    }
}

.header-cta {
    margin-top: 2rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    margin: 0 1rem;
}

.btn.primary {
    background-color: #2ecc71;
    color: #fff;
    border: 2px solid #2ecc71;
}

.btn.primary:hover {
    background-color: #27ae60;
    border-color: #27ae60;
    color: #fff;
}

.btn.secondary {
    background-color: #e74c3c;
    color: #fff;
    border: 2px solid #e74c3c;
}

.btn.secondary:hover {
    background-color: #c0392b;
    border-color: #c0392b;
    color: #fff;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

/* 训练指南样式 */
.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.guide-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.guide-card {
    background: #fff;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.guide-card h3 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    text-align: center;
}

.guide-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.guide-list li {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 1.2rem;
    line-height: 1.6;
    padding-left: 1.5rem;
    position: relative;
}

.guide-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #3498db;
}

@media screen and (max-width: 768px) {
    .guide-content {
        padding: 1rem;
    }

    .guide-card {
        padding: 1.5rem;
    }

    .guide-card h3 {
        font-size: 1.5rem;
    }

    .guide-list li {
        font-size: 1.1rem;
    }
}

/* 训练计划样式 */
.week-selector {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.week-btn {
    padding: 0.8rem 1.5rem;
    border: 2px solid #3498db;
    border-radius: 30px;
    background: transparent;
    color: #3498db;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.week-btn.active {
    background: #3498db;
    color: #fff;
}

.week-btn:hover {
    background: #3498db;
    color: #fff;
}

.week-content {
    display: none;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

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

.training-days {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
    position: relative;
}

.training-days::after {
    content: '';
    position: absolute;
    top: -1rem;
    left: 0;
    right: 0;
    height: 1px;
    background: #e1e8ed;
}

.day-content {
    background: #fff;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.day-content h3 {
    font-size: 1.6rem;
    color: #2c3e50;
    margin-bottom: 2rem;
    text-align: left;
    border-bottom: 1px solid #e1e8ed;
    padding-bottom: 1rem;
}

.exercise-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.exercise-item {
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.exercise-item h4 {
    font-size: 1.4rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.exercise-details p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

@media screen and (max-width: 1200px) {
    .training-days {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .training-days {
        grid-template-columns: 1fr;
    }

    .day-content {
        padding: 1.5rem;
    }

    .day-content h3 {
        font-size: 1.4rem;
    }

    .exercise-item {
        padding: 1rem;
    }

    .exercise-item h4 {
        font-size: 1.2rem;
    }

    .exercise-details p {
        font-size: 1rem;
    }
}

/* 训练计划调整器样式 */
.plan-adjuster {
    background-color: #f8f9fa;
    padding: 4rem 0;
}

.adjuster-content {
    max-width: 800px;
    margin: 0 auto;
}

.selector-group {
    display: flex;
    gap: 1rem;
    margin: 1rem 0 2rem;
}

.selector-btn {
    padding: 0.8rem 1.5rem;
    border: 2px solid #3498db;
    border-radius: 25px;
    background: transparent;
    color: #3498db;
    cursor: pointer;
    transition: all 0.3s ease;
}

.selector-btn:hover,
.selector-btn.active {
    background: #3498db;
    color: #fff;
}

/* 疲劳 */
.management-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.management-card {
    background: #fff;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.assessment-items {
    margin-top: 1.5rem;
}

.assessment-item {
    margin-bottom: 1.5rem;
}

.rating-group {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.rating-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid #3498db;
    background: transparent;
    color: #3498db;
    cursor: pointer;
    transition: all 0.3s ease;
}

.rating-btn:hover,
.rating-btn.active {
    background: #3498db;
    color: #fff;
}

.strategy-item {
    margin-bottom: 2rem;
}

.strategy-item h4 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

.strategy-item ul {
    list-style: none;
    padding: 0;
}

.strategy-item li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

/* 营养补充样式 */
.nutrition-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.nutrition-card {
    background: #fff;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.nutrition-content h4 {
    color: #2c3e50;
    margin: 1.5rem 0 1rem;
}

.nutrition-content ul {
    list-style: none;
    padding: 0;
}

.nutrition-content li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

/* 伤病预防样式 */
.prevention-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.prevention-card {
    background: #fff;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.prevention-content ul {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
}

.prevention-content li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

/* 训练日历样式 */
.training-calendar {
    background-color: #f8f9fa;
    padding: 4rem 0;
}

.calendar-content {
    max-width: 800px;
    margin: 0 auto;
}

.calendar-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.calendar-btn {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: #3498db;
    cursor: pointer;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.calendar-day {
    background: #fff;
    border-radius: 5px;
    padding: 0.5rem;
    text-align: center;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.calendar-day.empty {
    background: transparent;
}

.calendar-day .date {
    font-weight: bold;
    color: #2c3e50;
}

.calendar-day .type {
    font-size: 0.8rem;
    color: #666;
}

.calendar-day.training {
    background-color: rgba(52, 152, 219, 0.1);
}

.calendar-day.skiing {
    background-color: rgba(46, 204, 113, 0.1);
}

.calendar-day.rest {
    background-color: rgba(231, 76, 60, 0.1);
}

.calendar-legend {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 50%;
}

.legend-color.training {
    background-color: #3498db;
}

.legend-color.skiing {
    background-color: #2ecc71;
}

.legend-color.rest {
    background-color: #e74c3c;
}

/* 页脚样式 */
footer {
    background-color: #2c3e50;
    color: #fff;
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.footer-section {
    text-align: center;
    padding: 0 1rem;
}

.footer-section h3 {
    margin-bottom: 0.5rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.footer-section li {
    margin: 0;
}

.footer-section a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #3498db;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* 动作库页面样式 */
.exercises-showcase {
    padding: 4rem 0;
}

.exercise-category {
    margin-bottom: 4rem;
}

.exercise-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    padding: 1.5rem;
}

.exercise-card {
    background: #fff;
    border-radius: 8px;
    padding: 1.25rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.exercise-image {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 6px;
}

.exercise-content {
    margin-top: 1rem;
}

.exercise-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.exercise-content p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.exercise-details {
    margin-top: 1rem;
}

.exercise-details h4 {
    color: #2c3e50;
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.exercise-details ul {
    list-style: none;
    padding: 0;
}

.exercise-details li {
    padding: 0.3rem 0;
    color: #666;
    font-size: 0.9rem;
    border-bottom: 1px solid #eee;
}

/* 术语解释页面样式 */
.glossary-list {
    padding: 4rem 0;
}

.term-category {
    margin-bottom: 4rem;
}

.term-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.term-item {
    background: #fff;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.term-item h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.term-item p {
    color: #666;
    margin-bottom: 1rem;
}

.term-details {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
}

.term-details li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    color: #666;
}

.term-details li:last-child {
    border-bottom: none;
}

/* 通用样式 */
h1, h2, h3, h4, h5, h6 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 2rem;
    font-weight: 700;
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

/* 图片样式控制 */
/* 背景图片 */
.hero-bg {
    width: 100%;
    height: 100vh;
    min-height: 600px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.header-bg {
    width: 100%;
    height: 400px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

/* 特色图片 */
.feature-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 10px 10px 0 0;
}

.plan-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 10px 10px 0 0;
}

/* 示例图片 */
.guide-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px 10px 0 0;
    margin-bottom: 1rem;
}

.management-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 10px 10px 0 0;
    margin-bottom: 1rem;
}

.nutrition-image {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 10px 10px 0 0;
    margin-bottom: 1rem;
}

.prevention-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 10px 10px 0 0;
    margin-bottom: 1rem;
}

/* 图片容器 */
.img-container {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 图片背景遮罩 */
.hero-bg::before,
.header-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(44, 62, 80, 0.7);
}

.hero-content,
.header-content {
    position: relative;
    z-index: 1;
}

/* 响应式图片控制 */
@media screen and (max-width: 768px) {
    .hero-bg {
        min-height: 400px;
    }

    .header-bg {
        height: 300px;
    }

    .feature-image {
        height: 250px;
    }

    .plan-image {
        height: 200px;
    }

    .guide-image,
    .management-image,
    .nutrition-image,
    .prevention-image {
        height: 150px;
    }
}

@media screen and (max-width: 480px) {
    .hero-bg {
        min-height: 300px;
    }

    .header-bg {
        height: 250px;
    }

    .feature-image {
        height: 200px;
    }

    .plan-image {
        height: 180px;
    }

    .guide-image,
    .management-image,
    .nutrition-image,
    .prevention-image {
        height: 120px;
    }
}

/* 动作库页面样式 */
.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    padding: 1.5rem;
}

.category-card {
    background: #fff;
    border-radius: 8px;
    padding: 1.25rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.category-card h3 {
    font-size: 1.3rem;
    margin: 1rem 0;
}

.category-card p {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.category-image {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 6px;
}

/* 响应式布局调整 */
@media (max-width: 1200px) {
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

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

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .page-header {
        height: 300px;
    }

    .header-content {
        padding: 80px 1.5rem;
    }

    .header-content h1 {
        font-size: 2.5rem;
    }

    .header-content p {
        font-size: 1.2rem;
    }
}

@media screen and (max-width: 480px) {
    .page-header {
        height: 250px;
    }

    .header-content {
        padding: 60px 1rem;
    }

    .header-content h1 {
        font-size: 2rem;
    }

    .header-content p {
        font-size: 1rem;
    }
}

/* 主页横幅样式 */
.hero {
    position: relative;
    height: 500px;
    margin-top: 60px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    will-change: transform;
    transform: translateZ(0);
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(13, 71, 161, 0.4),
        rgba(25, 118, 210, 0.3)
    );
    will-change: opacity;
}

.hero-content {
    position: relative;
    z-index: 2;
    height: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #ffffff;
    text-shadow: 
        0 0 20px rgba(255, 255, 255, 0.8),
        0 0 40px rgba(33, 150, 243, 0.6);
    letter-spacing: 2px;
    animation: glow 3s ease-in-out infinite alternate;
    will-change: text-shadow;
}

@keyframes glow {
    from {
        text-shadow: 
            0 0 20px rgba(255, 255, 255, 0.8),
            0 0 40px rgba(33, 150, 243, 0.6);
    }
    to {
        text-shadow: 
            0 0 10px rgba(255, 255, 255, 0.8),
            0 0 20px rgba(33, 150, 243, 0.6);
    }
}

.hero-content h1::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    z-index: -1;
    background: linear-gradient(to bottom, #ffffff, #e3f2fd);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    filter: blur(8px);
    opacity: 0.7;
}

.hero-content p {
    font-size: 1.5rem;
    font-weight: 500;
    opacity: 0.95;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .hero {
        height: 400px;
    }

    .hero-content h1 {
        font-size: 2.5rem;
        text-shadow: 
            0 0 10px rgba(255, 255, 255, 0.8),
            0 0 20px rgba(33, 150, 243, 0.6);
    }

    .hero-content p {
        font-size: 1.2rem;
    }
}

@media screen and (max-width: 480px) {
    .hero {
        height: 350px;
    }

    .hero-content h1 {
        font-size: 2rem;
        text-shadow: 
            0 0 5px rgba(255, 255, 255, 0.8),
            0 0 10px rgba(33, 150, 243, 0.6);
        animation: none;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
        gap: 0.5rem;
    }

    .hero-cta .btn {
        width: 100%;
        text-align: center;
    }
}

/* 特色功能样式 */
.feature-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    text-align: center;
}

.feature-card h3 {
    font-size: 2rem;
    color: #2c3e50;
    margin: 1.5rem 0;
}

.feature-card p {
    font-size: 1.25rem;
    color: #666;
    line-height: 1.6;
    padding: 0 1.5rem;
    margin-bottom: 1.5rem;
}

.feature-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.feature-link {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    margin: 1rem 0 1.5rem;
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.feature-link:hover {
    color: #2980b9;
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .feature-card h3 {
        font-size: 1.75rem;
    }

    .feature-card p {
        font-size: 1.1rem;
    }
}

@media screen and (max-width: 480px) {
    .feature-card h3 {
        font-size: 1.5rem;
    }

    .feature-card p {
        font-size: 1rem;
    }
}

/* 特色功能样式 */
.feature-content {
    text-align: center;
    padding: 2rem;
}

.feature-content h3 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.feature-content p {
    font-size: 1.5rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.feature-link {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: #3498db;
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    font-size: 1.2rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.feature-link:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .feature-content h3 {
        font-size: 2rem;
    }

    .feature-content p {
        font-size: 1.25rem;
    }

    .feature-link {
        font-size: 1.1rem;
        padding: 0.8rem 1.6rem;
    }
}

@media screen and (max-width: 480px) {
    .feature-content {
        padding: 1.5rem;
    }

    .feature-content h3 {
        font-size: 1.75rem;
    }

    .feature-content p {
        font-size: 1.1rem;
    }

    .feature-link {
        font-size: 1rem;
        padding: 0.7rem 1.4rem;
    }
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

@media screen and (max-width: 768px) {
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .plan-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.plan-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.plan-content {
    padding: 2rem;
}

.plan-content h3 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    text-align: center;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
    text-align: center;
}

.plan-features li {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.plan-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

/* 警告区块样式 */
.warnings {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

.warning-content {
    max-width: 800px;
    margin: 0 auto;
}

.warning-card {
    background: #fff;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.warning-card h3 {
    font-size: 1.8rem;
    color: #e74c3c;
    margin-bottom: 1.5rem;
}

.warning-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.warning-list li {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.6;
    padding-left: 1.5rem;
    position: relative;
}

.warning-list li::before {
    content: "⚠️";
    position: absolute;
    left: 0;
    color: #e74c3c;
}

@media screen and (max-width: 768px) {
    .warning-card {
        padding: 1.5rem;
    }

    .warning-card h3 {
        font-size: 1.5rem;
    }

    .warning-list li {
        font-size: 1.1rem;
    }
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }

    .footer-section ul {
        flex-wrap: wrap;
        justify-content: center;
    }
}