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

:root {
    --primary-color: #4f46e5;
    --secondary-color: #818cf8;
    --text-color: #1f2937;
    --light-text: #6b7280;
    --background: #ffffff;
    --section-bg: #f8fafc;
    --feature-bg: #f3f4f7;
}

body {
    font-family: "Microsoft YaHei", sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* 瀵艰埅鏍忔牱寮� */
.navbar {
    position: fixed;
    width: 100%;
    background: var(--background);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* 棣栭〉鑻遍泟鍖烘牱寮� */
.hero {
    padding: 400px 0 100px;
    background: linear-gradient(rgba(0, 0, 0, 0.0), rgba(0, 0, 0, 0.0)), url('cloudnas-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.highlight {
    color: var(--primary-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

/* 鎸夐挳鏍峰紡 */
.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 500;
    transition: transform 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
}

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

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

/* 鍏充簬鎴戦儴鍒� */
.about {
    padding: 100px 0;
    background: var(--background);
}

.about h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.skill-tag {
    background: var(--section-bg);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
}

/* 椤圭洰灞曠ず閮ㄥ垎 */
.projects {
    padding: 100px 0;
    background: var(--section-bg);
}

.projects h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

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

.project-card {
    background: var(--background);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-5px);
}

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

.project-card h3 {
    padding: 1.5rem 1.5rem 0.5rem;
    color: var(--primary-color);
}

.project-card p {
    padding: 0 1.5rem 1.5rem;
    color: var(--light-text);
}

/* 鑱旂郴鏂瑰紡閮ㄥ垎 */
.contact {
    padding: 100px 0;
    background: var(--background);
}

.contact h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

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

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.social-link {
    font-size: 2rem;
    color: var(--primary-color);
    transition: transform 0.3s;
}

.social-link:hover {
    transform: translateY(-3px);
}

.contact-email {
    color: var(--light-text);
}

/* 椤佃剼鏍峰紡 */
footer {
    height: 80px;
    background: var(--section-bg);
    text-align: center;
    color: var(--light-text);
    padding: 0;
    margin-top: auto;
    width: 100%;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 1.0rem 0;
    height: 80px;
    margin-bottom: 0;
}

.copyright, .icp {
    color: var(--light-text);
    font-size: 0.8rem;
    margin: 0;
}

/* 鍝嶅簲寮忚璁� */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .project-grid {
        grid-template-columns: 1fr;
    }
    
    footer, .footer-content {
        height: 20px;
    }
    
    .copyright, .icp {
        font-size: 0.9rem;
    }
} 

/* 鎶€鑳藉垎绫绘牱寮� */
.skill-category {
    margin-bottom: 2rem;
}

.skill-category h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

/* 椤圭洰鎶€鏈爣绛� */
.project-tech {
    padding: 0 1.5rem 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: var(--primary-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 1rem;
    font-size: 0.8rem;
}

/* 鍝嶅簲寮忚皟鏁� */
@media (max-width: 768px) {
    .skill-category {
        margin-bottom: 1.5rem;
    }
    
    .skill-tags {
        gap: 0.5rem;
    }
    
    .tech-tag {
        font-size: 0.7rem;
    }
} 

/* 鐗规€у崱鐗囨牱寮� */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--feature-bg);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    transition: transform 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
}

/* 濂楅鏂规鏍峰紡 */
.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.plan-card {
    background: var(--background);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    position: relative;
}

.plan-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.plan-tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
}

.price {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin: 1.5rem 0;
}

.price span {
    font-size: 1rem;
    color: var(--light-text);
}

.plan-features {
    list-style: none;
    margin: 2rem 0;
}

.plan-features li {
    margin: 1rem 0;
    color: var(--text-color);
}

.plan-features i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

/* 鑱旂郴鏂瑰紡鏍峰紡 */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--feature-bg);
    border-radius: 1rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

/* 鍝嶅簲寮忚皟鏁� */
@media (max-width: 768px) {
    .plan-card.featured {
        transform: none;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
} 

/* 娣诲姞鏁欑▼鍗＄墖鏍峰紡 */
.tutorial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tutorial-card {
    background: var(--feature-bg);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    position: relative;
    transition: transform 0.3s;
}

.tutorial-card:hover {
    transform: translateY(-5px);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    margin: 0 auto 1.5rem;
}

/* 涓嬭浇鍗＄墖鏍峰紡 */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.download-card {
    background: var(--background);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.download-card:hover {
    transform: translateY(-5px);
}

.download-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.download-card h3 {
    margin-bottom: 1rem;
}

.app-downloads {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.app-downloads img {
    height: 40px;
}

/* 椤佃剼鏍峰紡浼樺寲 */
.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 1.0rem 0;
    height: 80px;
}

.copyright, .copyright-cn, .icp {
    color: var(--light-text);
    font-size: 0.9rem;
}

.icp {
    font-size: 0.9rem;
}

/* 鍝嶅簲寮忚皟鏁� */
@media (max-width: 768px) {
    .footer-content {
        gap: 0.2rem;
    }
    
    .copyright, .copyright-cn, .icp {
        font-size: 0.8rem;
    }
} 

/* 淇敼鏈嶅姟閮ㄥ垎鐨勯珮搴﹀拰甯冨眬 */
#services.features {
    height: 650px;
    min-height: 650px;
    padding: 50px 0;
    overflow: visible;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 2rem 0;
}

/* 鍝嶅簲寮忚皟鏁� */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    #services.features {
        height: auto;
        min-height: 600px;
    }
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    #services.features {
        padding: 30px 0;
    }
}

.icp a {
    color: var(--light-text);
    text-decoration: none;
    transition: color 0.3s;
}

.icp a:hover {
    color: var(--primary-color);
} 

/* 璁╀富瑕佸唴瀹硅嚜鍔ㄥ～鍏呯┖闂� */
main {
    flex: 1;
} 

/* Harbor閾炬帴鏍峰紡 */
.feature-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

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

/* .feature-card .feature-link i, */
.feature-card .feature-link h3,
.feature-card .feature-link p {
    color: inherit;
} 

/* 鏈嶅姟鍥炬爣鐨勫僵鑹叉牱寮� */
.feature-card .fa-file-pdf {
    color: #FF0000;  /* PDF鍥炬爣浣跨敤绾㈣壊 */
}

.feature-card .fa-image {
    color: #4CAF50;  /* 鍥剧墖姘村嵃鍥炬爣浣跨敤缁胯壊 */
}

.feature-card .fa-box {
    color: #FF9800;  /* Harbor鍥炬爣浣跨敤姗欒壊 */
}

.feature-card .fa-key {
    color: #2196F3;  /* 瀵嗙爜绠＄悊鍣ㄥ浘鏍囦娇鐢ㄨ摑鑹� */
}

/* 娣诲姞GitLab鍥炬爣鏍峰紡 */
.feature-card .fa-gitlab {
    color: #FC6D26;  /* GitLab鏍囧噯姗欒壊 */
}

/* 娣诲姞GitLab鍥炬爣鏍峰紡 */
.feature-card .fa-certimate {
    background-image: url('images/logo.svg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 100%;
    height: 100%;
}

/* 鏇存柊鎮仠鏁堟灉 */
.feature-card:hover .fa-file-pdf,
.feature-card:hover .fa-image,
.feature-card:hover .fa-box,
.feature-card:hover .fa-key,
.feature-card:hover .fa-gitlab {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

.feature-card .fa-lock.custom-icon {
    color: white;
    background-color: #FF6B00;
    border-radius: 50%;
    padding: 20px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 15px;
}

.feature-card:hover .fa-lock.custom-icon {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}