/* ===== 简介页样式 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    /* 响应式字体 */
    --fs-xs: clamp(10px, 1.2vw, 12px);
    --fs-sm: clamp(12px, 1.5vw, 14px);
    --fs-base: clamp(14px, 1.8vw, 16px);
    --fs-md: clamp(16px, 2vw, 18px);
    --fs-lg: clamp(20px, 3vw, 24px);
    --fs-xl: clamp(28px, 4vw, 36px);
    --fs-2xl: clamp(36px, 5vw, 48px);
    
    /* 响应式间距 */
    --space-xs: clamp(4px, 0.5vw, 8px);
    --space-sm: clamp(8px, 1vw, 12px);
    --space-md: clamp(12px, 1.5vw, 20px);
    --space-lg: clamp(20px, 2.5vw, 30px);
    --space-xl: clamp(30px, 4vw, 50px);
    --space-2xl: clamp(40px, 6vw, 80px);
    
    /* 颜色 */
    --color-primary: #2d7a2d;
    --color-bg: #fdfbf7;
    --color-text: #1a5f1a;
    --color-text-muted: #5a9a5a;

body {
    font-family: 'Space Grotesk', sans-serif;
    background: #fdfbf7;
    color: var(--color-text);
    font-size: var(--fs-base);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(200, 230, 201, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(15, 216, 80, 0.3);
    z-index: 100;
    padding: clamp(10px, 2vw, 15px) 0;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(12px, 3vw, 20px);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'ZCOOL KuaiLe', 'Space Grotesk', sans-serif;
    font-size: var(--fs-lg);
    font-weight: 700;
    color: #fff;
    text-decoration: none;
}

.header-nav { display: flex; gap: clamp(10px, 2vw, 30px); }

.nav-link {
    color: var(--color-text-muted);
    font-size: var(--fs-sm);
    text-decoration: none;
    padding: var(--space-xs) var(--space-md);
    border-radius: 25px;
    transition: all 0.3s;
}

.nav-link:hover, .nav-link.active {
    background: rgba(15, 216, 80, 0.1);
    color: var(--color-primary);
}

/* Main */
.main-wrapper {
    padding-top: clamp(60px, 10vw, 80px);
    min-height: 100vh;
    padding-bottom: clamp(80px, 15vw, 120px);
}

.container { 
    max-width: 1100px; 
    margin: 0 auto; 
    padding: 0 clamp(12px, 3vw, 20px); 
}

/* Section */
.section-title {
    font-size: var(--fs-xl);
    font-weight: 700;
    margin-bottom: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.title-index { color: var(--color-primary); font-size: var(--fs-md); font-weight: 500; }

/* ===== 项目卡片 ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(250px, 30vw, 350px), 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.project-card {
    background: linear-gradient(135deg, rgba(15, 216, 80, 0.06) 0%, rgba(255, 255, 255, 0.8) 100%);
    border: 1px solid rgba(15, 216, 80, 0.2);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: 0 15px 35px rgba(15, 216, 80, 0.15);
}

.project-image {
    height: clamp(80px, 12vw, 120px);
    background: linear-gradient(135deg, var(--color-primary) 0%, #27ae60 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-icon { 
    font-size: clamp(28px, 4vw, 44px);
}

.project-content { 
    padding: var(--space-md); 
}

.project-tag {
    display: inline-block;
    padding: 4px 14px;
    background: linear-gradient(135deg, var(--color-primary), #27ae60);
    border-radius: 20px;
    font-size: var(--fs-xs);
    font-weight: 500;
    color: white;
    margin-bottom: var(--space-sm);
}

.project-content h3 { 
    font-size: var(--fs-md); 
    font-weight: 600;
    margin-bottom: var(--space-xs); 
    color: var(--color-text);
}

.project-content > p:not(.project-desc):not(.project-tech) {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.project-desc {
    font-size: var(--fs-sm);
    color: var(--color-text);
    line-height: 1.5;
    margin-bottom: var(--space-sm);
    padding: var(--space-sm);
    background: rgba(15, 216, 80, 0.05);
    border-radius: 10px;
    border-left: 3px solid var(--color-primary);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.project-tech span {
    padding: 4px 10px;
    background: rgba(15, 216, 80, 0.08);
    border: 1px solid rgba(15, 216, 80, 0.15);
    border-radius: 15px;
    font-size: var(--fs-xs);
    color: var(--color-primary);
}

/* 关于 */
.about-grid {
    display: grid;
    grid-template-columns: 1fr clamp(200px, 25vw, 280px);
    gap: var(--space-xl);
    align-items: start;
    margin-bottom: var(--space-xl);
}

.about-text p {
    font-size: var(--fs-base);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
    line-height: 1.8;
}

.about-text strong { color: var(--color-text); }

.about-card {
    background: rgba(15, 216, 80, 0.05);
    border: 1px solid rgba(15, 216, 80, 0.15);
    border-radius: 20px;
    padding: var(--space-lg);
    text-align: center;
}

.about-card .card-icon {
    font-size: clamp(36px, 6vw, 50px);
    display: block;
    margin-bottom: var(--space-xs);
}

.about-card h3 { font-size: var(--fs-md); margin-bottom: var(--space-xs); }

.about-card p { color: var(--color-text-muted); font-size: var(--fs-sm); }

.about-card .location { color: var(--color-primary); font-size: var(--fs-sm); }

/* ===== 专业技能 ===== */
.skill-level {
    margin-bottom: 32px;
}

.level-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    font-size: var(--fs-base);
    font-weight: 500;
    color: var(--color-text);
}

.level-icon {
    font-size: var(--fs-md);
}

.level-label {
    font-family: 'Space Grotesk', sans-serif;
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
    margin-left: auto;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding-left: 32px;
}

.skill-tag {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    background: transparent;
    border: 1px solid rgba(15, 216, 80, 0.3);
    border-radius: 70px;
    font-size: var(--fs-sm);
    font-weight: 400;
    color: var(--color-text);
    cursor: default;
    transition: all 0.2s ease;
}

.skill-tag:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(15, 216, 80, 0.1);
}

/* ===== 打字机效果 ===== */
.typewriter-info {
    height: 32px;
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
    padding: 0 16px;
    margin-top: 8px;
    border-left: 2px solid transparent;
    background: rgba(15, 216, 80, 0);
    border-radius: 0 8px 8px 0;
    overflow: hidden;
    transition: background 1s ease, border-color 1s ease;
    display: flex;
    align-items: center;
}

.typewriter-info.active {
    background: rgba(15, 216, 80, 0.2);
    border-left-color: var(--color-primary);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .skill-tags {
        padding-left: 0;
    }
    
    .level-header {
        flex-wrap: wrap;
    }
    
    .level-label {
        width: 100%;
        margin-left: 32px;
        margin-top: 4px;
    }
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    justify-content: center;
}

.skill-tags span {
    padding: var(--space-xs) var(--space-sm);
    background: rgba(15, 216, 80, 0.15);
    color: var(--color-primary);
    border-radius: 15px;
    font-size: var(--fs-xs);
}

/* 荣誉 */
.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(180px, 22vw, 250px), 1fr));
    gap: var(--space-md);
}

.award-card {
    background: rgba(15, 216, 80, 0.05);
    border: 1px solid rgba(15, 216, 80, 0.15);
    border-radius: 20px;
    padding: var(--space-md);
    display: flex;
    gap: var(--space-sm);
    align-items: center;
    transition: all 0.3s;
}

.award-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
}

.award-icon { font-size: clamp(24px, 4vw, 36px); }

.award-info h3 { font-size: var(--fs-sm); margin-bottom: 2px; }

.award-info p { color: var(--color-text-muted); font-size: var(--fs-xs); margin-bottom: 2px; }

.award-year { font-size: var(--fs-xs); color: var(--color-primary); }

/* Footer */
.site-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(200, 230, 201, 0.95);
    border-top: 1px solid rgba(15, 216, 80, 0.3);
    padding: clamp(8px, 2vw, 20px) var(--space-sm);
    z-index: 100;
}

.footer-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(8px, 2vw, 50px);
    flex-wrap: wrap;
    padding: 0 var(--space-sm);
}

.footer-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-text-muted);
    font-size: clamp(10px, 2vw, var(--fs-xs));
    text-decoration: none;
    padding: var(--space-xs);
    border-radius: 15px;
    background: rgba(15, 216, 80, 0.05);
    transition: all 0.3s;
    white-space: nowrap;
}

.footer-link:hover {
    background: rgba(15, 216, 80, 0.15);
    color: var(--color-primary);
}

/* 荣誉按年份分组 */
.awards-section {
    margin-bottom: var(--space-xl);
}

.award-year-group {
    margin-bottom: var(--space-lg);
}

.year-title {
    font-size: var(--fs-md);
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    padding-left: var(--space-sm);
    border-left: 3px solid var(--color-primary);
}

/* 实践经历 */
.practice-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(250px, 40vw, 400px), 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.practice-card {
    background: rgba(15, 216, 80, 0.05);
    border: 1px solid rgba(15, 216, 80, 0.15);
    border-radius: 20px;
    padding: var(--space-lg);
    display: flex;
    gap: var(--space-md);
    transition: all 0.3s;
}

.practice-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
}

.practice-icon {
    font-size: clamp(28px, 4vw, 36px);
    flex-shrink: 0;
}

.practice-content h3 {
    font-size: var(--fs-base);
    margin-bottom: var(--space-xs);
}

.practice-time {
    font-size: var(--fs-xs);
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.practice-content p {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
}

/* 自我评价 */
.self评价-card {
    background: rgba(15, 216, 80, 0.05);
    border: 1px solid rgba(15, 216, 80, 0.15);
    border-radius: 20px;
    padding: var(--space-xl);
    text-align: center;
}

.motto {
    font-size: var(--fs-lg);
    font-style: italic;
    color: var(--color-text);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.self-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
}

.stat-item {
    padding: var(--space-xs) var(--space-md);
    background: rgba(15, 216, 80, 0.15);
    border-radius: 20px;
    font-size: var(--fs-sm);
    color: var(--color-primary);
}

.self评价-card > p:last-child {
    font-size: var(--fs-base);
    color: var(--color-text-muted);
}

/* 项目描述 */
.project-desc {
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
    line-height: 1.5;
}

.muted {
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

/* ===== 移动端适配 ===== */
@media (max-width: 768px) {
    .about-grid { 
        grid-template-columns: 1fr; 
    }
    
    .main-wrapper { 
        padding-bottom: var(--space-xl); 
    }
    
    .container {
        padding: 0 12px;
        max-width: 100%;
        overflow-x: hidden;
    }
    
    .section-title {
        font-size: var(--fs-lg);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .practice-grid {
        grid-template-columns: 1fr;
    }
    
    .awards-grid {
        grid-template-columns: 1fr;
    }
}

/* 项目颜色变体 */
#project1 { --c1: 88,128,166; --c2: 100,151,200; } /* 蓝色 - 信购AI */
#project2 { --c1: 161,190,174; --c2: 163,190,161; } /* 绿色 - MES */
#project3 { --c1: 200,150,150; --c2: 220,180,180; } /* 粉色 - 岐青乡望 */

/* ===== 技能证书 ===== */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(180px, 25vw, 250px), 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.cert-card {
    background: linear-gradient(135deg, rgba(15, 216, 80, 0.08) 0%, rgba(15, 216, 80, 0.02) 100%);
    border: 1px solid rgba(15, 216, 80, 0.2);
    border-radius: 16px;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    transition: all 0.3s;
}

.cert-card:hover {
    transform: translateY(-3px);
    border-color: var(--color-primary);
    box-shadow: 0 8px 25px rgba(15, 216, 80, 0.15);
}

.cert-icon {
    font-size: clamp(24px, 3vw, 32px);
    flex-shrink: 0;
}

.cert-info h3 {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 2px;
}

.cert-info p {
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
}

/* ===== 实践经历详情 ===== */
.practice-card {
    background: linear-gradient(135deg, rgba(15, 216, 80, 0.06) 0%, rgba(15, 216, 80, 0.01) 100%);
    border: 1px solid rgba(15, 216, 80, 0.15);
    border-radius: 20px;
    padding: var(--space-lg);
    display: flex;
    gap: var(--space-md);
    transition: all 0.3s;
}

.practice-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(15, 216, 80, 0.12);
}

.practice-icon {
    font-size: clamp(28px, 4vw, 36px);
    flex-shrink: 0;
    align-self: flex-start;
}

.practice-content {
    flex: 1;
    min-width: 0;
}

.practice-content h3 {
    font-size: var(--fs-base);
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.practice-time {
    font-size: var(--fs-xs);
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: var(--space-sm);
    display: inline-block;
    background: rgba(15, 216, 80, 0.1);
    padding: 2px 10px;
    border-radius: 12px;
}

.practice-content > p:not(.practice-time):not(.practice-desc):not(.practice-result) {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.practice-desc {
    font-size: var(--fs-sm);
    color: var(--color-text);
    line-height: 1.6;
    margin: var(--space-sm) 0;
    padding: var(--space-sm);
    background: rgba(255,255,255,0.5);
    border-radius: 10px;
    border-left: 3px solid var(--color-primary);
}

.practice-result {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--color-primary);
    margin-top: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.practice-result::before {
    content: '✨';
}