/* =========================================
   1. 全局变量与基础设置
   ========================================= */
:root {
    /* 核心配色 */
    --color-black: #000000;
    --color-white: #ffffff;
    --color-bg-grid: #DDEFFD;
    --color-grid-line: #D0E6F5;

    /* 装饰色 */
    --color-blue: #0099FF;
    --color-cyan: #00C8F0;
    --color-yellow: #FACC00;
    --color-orange: #FF9000;
    --color-tag-purple: #7A83FF;
    --color-tag-blue: #00C8F0;
    --color-tag-yellow: #FACC00;
    --color-tag-red: #FF6B6B;
    --color-tag-blue: #0099FF;
    --color-tag-cyan: #00C8F0;

    /* 风格参数 */
    --border-thick: 3px solid var(--color-black);
    --shadow-hard: 6px 6px 0px 0px var(--color-black);
    --radius-small: 8px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 18px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, "Noto Sans", sans-serif,
        "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    color: var(--color-black);
    background-color: var(--color-bg-grid);
    background-image:
        linear-gradient(var(--color-grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-grid-line) 1px, transparent 1px);
    background-size: 20px 20px;
    line-height: 1.6;
    overflow-x: hidden;
    /* margin: 0 auto; */
}

.body_two {
    padding-top: 10px;
    text-align: center;
    background-color: #f0f0f0;
    background-image:
        linear-gradient(#e5e5e5 1px, transparent 1px),
        linear-gradient(90deg, #e5e5e5 1px, transparent 1px);
    background-size: 20px 20px;
}

.body_two img {
    display: block;
    margin: 20px auto;
    border: 1px solid #e5e5e5;
    box-shadow: 5px 4px 7px rgb(0 0 0 / 8%);
    border-radius: 5px;
    text-align: center;
    max-width: 100%;
    height: auto;
}

.body_two iframe{
    margin-bottom: 20px;
    padding: 20px auto;
    background-color: #fff;
    border: 1px solid #e5e5e5;
    box-shadow: 5px 4px 7px rgb(0 0 0 / 8%);
    max-width: 100%;
}

.container {
    /* max-width: 1600px; */
    width: 80%;
    margin: 0 auto;
    /* padding: 0 20px; */
    /* padding-bottom: 100px; */
}

/* 通用：硬边框盒子 */
.brutal-box {
    border: var(--border-thick);
    box-shadow: var(--shadow-hard);
    border-radius: var(--radius-small);
    background-color: var(--color-white);
    transition: all 0.2s ease;
}

/* 通用：胶囊标签 */
.btn-tag {
    display: inline-block;
    padding: 0.15rem 0.7rem;
    border: 2px solid var(--color-black);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    text-decoration: none;
    color: var(--color-black);
    background: var(--color-white);
    /* box-shadow:2px 3px 0 var(--color-black) ; */
    margin-right: 0.6rem;
    margin-bottom: 4px;
}

/* 通用：板块间距 */
section {
    /* margin-bottom: 80px; */
    scroll-margin-top: 100px;
}

/* 通用：超链接样式 */
a {
    text-decoration: none;
    color: inherit;
}

/* =========================================
   2. 导航栏区域
   ========================================= */
.navbar-wrapper {
    position: sticky;
    top: 0;
    z-index: 1000;
    padding-top: 20px;
    margin-bottom: 40px;
    /* background-color: var(--color-bg-grid); */
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-blue);
    padding: 15px 30px;
}

.logo {
    width: 84px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-black);
    font-weight: 700;
    font-size: 16px;
    display: inline-block;
    padding: 5px 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

/* 添加底部动画线条 */
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 0px;
    background-color: var(--color-black);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links .text_nav {
    line-height: 36px;
}

.text_nav:hover,
.text_nav.active {
    font-size: 18px;
    font-weight: 900;
    transition: all 0.2s ease;
}

.nav-btn-highlight {
    background-color: var(--color-orange);
    padding: 5px 15px;
    border: 2px solid var(--color-black);
    box-shadow: 2px 2px 0 var(--color-black);
    border-radius: 4px;
    white-space: nowrap;
}

.nav-btn-highlight:active {
    transform: translate(2px, 2px);
    box-shadow: none;
}

.nav-btn-highlight:hover {
    box-shadow: none;
    transform: translate(2px, 2px);
    transition: all 0.2s ease;
}

/* 导航链接激活状态样式 */
.text_nav.active {
    /* 应用与hover相同的效果 */
    font-size: 18px;
    font-weight: 900;
}

/* 汉堡菜单样式 */
.nav-menu {
    display: flex;
    align-items: center;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.bar {
    width: 25px;
    height: 4px;
    background-color: var(--color-black);
    margin: 3px 0;
    transition: 0.3s;
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-12px) rotate(-45deg);
}

/* =========================================
   3. Hero / Banner 区域
   ========================================= */
.hero-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    gap: 40px;
}

.hero-text {
    flex: 1.2;
    /* 动画样式移至底部 */
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 10px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.hero-desc p {
    margin-bottom: 1.2rem;
    position: relative;
    /* padding-left: 20px; */
    font-weight: 400;
    font-size: 1.2rem;
}

/* .hero-desc p::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 10px;
    height: 10px;
    background-color: var(--color-yellow);
    border: 1px solid var(--color-black);
} */
.indicate {
    width: 100px;
    height: 10px;
    background: var(--color-blue);
    border: 2px solid black;
    margin-top: 20px;
    border-radius: 5px;
    box-shadow: 2px 2px 0 var(--color-black);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: right;
    position: relative;
}

.avatar-placeholder {
    width: 300px;
    height: 300px;
    background-color: #fff;
    border: var(--border-thick);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: var(--shadow-hard);
    overflow: hidden;
}

.banner-img {
    width: 70%;
    height: 70%;
    object-fit: cover;
}

/* =========================================
   4. 工作经历样式
   ========================================= */
#work {
    background-color: #fff;
    /* background-color: var(--color-bg-grid); */
    background-image:
        linear-gradient(var(--color-grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-grid-line) 1px, transparent 1px);
    background-size: 20px 20px;
    width: 100%;
    padding: 3rem 0 5rem 0;
}

.section-header {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}

.section-title-box {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 4px 36px 14px 30px;
    font-size: 1.5rem;
    font-weight: 900;
    background-color: var(--color-cyan);
}

.section-title-box strong {
    font-size: 2rem;
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.work-card {
    padding: 25px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 220px;
}

.work-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
    border-bottom: 2px solid var(--color-black);
    padding-bottom: 10px;
}

.company-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.company-logo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--color-black);
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    overflow: hidden;
}

.company-name {
    font-weight: 800;
    font-size: 1.2rem;
}

.work-date {
    font-size: 1rem;
    /* font-family: monospace; */
    font-weight: 500;
}

.role-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #000;
}

.work-desc {
    font-size: 0.9rem;
    color: #333;
    margin-bottom: 20px;
    flex-grow: 1;
}

.work-tags {
    display: flex;
    flex-wrap: wrap;
    /* margin-top: 12px; */
}

.tag-blue {
    background-color: var(--color-tag-blue);
}

.tag-yellow {
    background-color: var(--color-tag-yellow);
}

.tag-purple {
    background-color: var(--color-tag-purple);
}

.tag-red {
    background-color: var(--color-tag-red);
}

.tag-cyan {
    background-color: var(--color-tag-cyan);
}

/* =========================================
   5. 作品展示样式
   ========================================= */
#project {
    background-color: #FFEDD6;
    /* background-color: var(--color-bg-grid); */
    background-image:
        linear-gradient(#ccccccb4 1px, transparent 1px),
        linear-gradient(90deg, #ccccccb4 1px, transparent 1px);
    background-size: 20px 20px;
    width: 100%;
    padding: 3rem 0 5rem 0;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* Ensure grid items stretch so cards can be equal height */
.project-grid {
    align-items: stretch;
}

@media (max-width:1600px) {
    html {
        font-size: 16px;
    }

}

@media (max-width: 1400px) {
    .project-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    html {
        font-size: 14px;
    }
}

@media (max-width:1200px) {
    html {
        font-size: 12px;
    }
}

@media (max-width: 992px) {
    .project-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    html {
        font-size: 11px;
    }

    .nav-links{
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 15px 20px;
    }
    
    .logo {
        width: 60px;
    }
    
    .nav-menu {
        display: flex;
        align-items: center;
        gap: 15px;
    }
    
    .nav-links {
        position: static;
        flex-direction: row;
        background-color: transparent;
        box-shadow: none;
        padding: 0;
        gap: 1rem;
        z-index: auto;
    }
    
    .nav-links a.text_nav {
        display: none; /* 隐藏文字导航项 */
    }
    
    .nav-links a.nav-btn-highlight {
        display: inline-block; /* 确保按钮始终显示 */
        margin-bottom: 0;
        padding: 5px 10px;
        font-size: 14px;
    }

    .hamburger {
        display: flex;
    }
    
    .nav-links.active {
        position: absolute;
        top: 80px;
        right: 20px;
        flex-direction: column;
        background-color: var(--color-blue);
        padding: 20px;
        border: var(--border-thick);
        box-shadow: var(--shadow-hard);
        border-radius: var(--radius-small);
        gap: 1rem;
        z-index: 1000;
        min-width: 150px;
    }
    
    .nav-links.active a.text_nav {
        display: block; /* 显示汉堡菜单中的文字导航项 */
        padding: 5px 0;
        font-size: 16px;
    }
    
    .nav-links.active a.nav-btn-highlight {
        display: block; /* 汉堡菜单中也显示按钮 */
        margin-bottom: 0;
        padding: 8px 15px;
        font-size: 16px;
        font-weight: 700;
        text-align: center;
    }

    .hero-section {
        flex-direction: column-reverse;
        text-align: center;
        gap: 5px;
    }

    .hero-image {
        justify-content: center;
    }

    .hero-text {
        text-align: center;
    }
    
    .hero-text .indicate {
        margin: 20px auto;
    }

    .work-grid,
    .project-grid {
        grid-template-columns: 1fr;
    }

    .contact-footer {
        flex-direction: column;
    }

    html {
        font-size: 10px;
    }
}

@media (max-width: 576px) { 
    .dialog-body {
        flex-direction: column;
        align-items: center;
    }
    .dialog-body .contact-info{
        text-align: center;
    } 
    .contact-info p{
        margin: 10px 0 !important;
    }
    .dialog-button {
        width: 100%;
        padding: 10px 30px !important;
        font-size: 14px !important;
}
}

.project-item,
.project-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 0;
    height: 100%; /* allow the card to fill the grid cell */
}

/* .project-card:hover img {
    width: 110%;
    transition: width 0.3s ease;
} */

.project-card:hover {
    box-shadow: 0px 0px 0px 0px var(--color-black);
    transform: translate(4px, 4px);
    transition: all 0.2s ease;
}

.project-img-placeholder {
    width: 92%;
    aspect-ratio: 334/226;
    /* height: 62.25%; */
    /* border-radius: 4px; */
    background-color: #ddd;
    /* border: var(--border-thick); */
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-weight: bold;
    font-size: 0.9rem;
    position: relative;
    margin: 20px auto;
    flex: 0 0 auto; /* keep image area fixed, don't let it flex */
    max-height: 260px; /* cap image area so cards are more consistent */
    overflow: hidden;
}

.project-img-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 6px;
    border: 2px solid var(--color-black);
}

.project-content {
    padding: 0 20px 20px 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-title {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis; /* single-line ellipsis for title */
}

.project-tags {
    margin-top: 6px;
    margin-bottom: 12px;

}

.project-desc {
    font-size: 0.9rem;
    color: #333;
    line-height: 1.8;
    /* Multi-line clamp: show up to 4 lines then ellipsis */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* =========================================
   6. 个人简介与页脚
   ========================================= */
.skills-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 60px;
    margin-bottom: 40px;
}

#about {
    background-color: #fff;
    /* background-color: var(--color-bg-grid); */
    background-image:
        linear-gradient(var(--color-grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-grid-line) 1px, transparent 1px);
    background-size: 20px 20px;
    width: 100%;
    padding: 3rem 0 5rem 0;
}

.soft-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid #000;
    display: flex;
    align-items: center;
    justify-content: center;

    background: #fff;
    cursor: default;
    transition: transform 0.2s;
}


.soft-icon:hover {
    transform: translateY(-5px);
}

.labels-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 60px;
}

.info-label-box {
    padding: 8px 20px;
    border-radius: 4px;
    border: 2px solid var(--color-black);
    background: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 2px 2px 0 var(--color-black);
}

.contact-footer {
    display: flex;
    gap: 40px;
}

@media (max-width: 768px) {
    .contact-footer {
        flex-direction: column;
    }
}

.contact-card {
    flex: 1;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.contact-title {
    font-size: 1.2rem;
    font-weight: 900;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--color-black);
    display: inline-block;
    padding-bottom: 5px;
}

.info-item {
    margin-bottom: 15px;
    font-size: 1.2rem;
    font-weight: 500;
}

.info-item strong {
    margin-right: 10px;
}

.qr-container {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 10px;
}

.qr-box {
    width: 140px;
    height: 140px;
    border: 2px solid var(--color-black);
    padding: 5px;
    background: #fff;
}

.qr-box img {
    width: 100%;
    height: 100%;
}

/* 弹窗样式 */
.dialog-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.dialog-overlay.show {
    display: flex;
    opacity: 1;
}

.dialog-overlay.hide {
    opacity: 0;
}

.dialog-content {
    background: white;
    border: 2px solid #000;
    padding: 0;
    max-width: 600px;
    width: 90%;
    box-shadow: 4px 4px 0px var(--color-black);
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.7);
    transition: transform 0.3s ease;
}

.dialog-overlay.show .dialog-content {
    transform: scale(1);
}

.dialog-overlay.hide .dialog-content {
    transform: scale(0.7);
}

.dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px 10px 30px;
    /* border-bottom: 2px solid #000; */
}

.dialog-title {
    margin: 0;
    font-size: 1.5rem;
}

.close-button {
    font-size: 1.8rem;
    cursor: pointer;
    border: none;
    background: none;
}

.dialog-body {
    padding: 10px 40px 0px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-info p {
    margin: 20px 0;
    font-size: 14px;
}
.contact-info strong {
    font-size: 20px;
}

.qr-code {
    text-align: center;
    margin-top: 20px;
    flex: 0.6;
}

.dialog-footer {
    padding: 20px 30px 30px 30px;
    text-align: right;
    /* border-top: 2px solid #000; */
}

.dialog-button {
    background-color: var(--color-orange);
    color: #000;
    padding: 10px 20px;
    border: 2px solid var(--color-black);
    box-shadow: 2px 2px 0 var(--color-black);
    border-radius: 4px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #FFD700;
    color: #000;
    border: 2px solid #000;
    padding: 10px 20px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dialog-button:hover {
    box-shadow: none;
    transform: translate(2px, 2px);
    transition: all 0.2s ease;
}

/* =========================================
   7. Step 7 微调：滚动触发动画 (Scroll Trigger)
   ========================================= */

/* 1. 初始状态：从左淡入 */
.animate-left {
    opacity: 0;
    transform: translateX(-30px);
    /* 初始向左偏移30px */
    transition: all 0.8s ease-out;
    /* 动画持续时间0.8秒 */
}

.animate-right {
    opacity: 0;
    transform: translateX(30px);
    /* 初始向左偏移30px */
    transition: all 0.8s ease-out;
    /* 动画持续时间0.8秒 */
}

/* 2. 初始状态：从上淡入 */
.animate-top {
    opacity: 0;
    transform: translateY(-30px);
    /* 初始向上偏移30px */
    transition: all 0.8s ease-out;
}

/* 3. 激活状态：当JS添加这个类时，元素恢复正常 */
.animate-active {
    opacity: 1 !important;
    transform: translate(0) !important;
}