/* ===== 权芯365技术项目站 - 核心样式 ===== */
/* 版本: 2.0 | 设计: 太极数据流主题 */

/* === CSS Reset 增强 === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

/* === CSS变量系统 === */
:root {
    /* 核心色彩系统 */
    --color-space-dark: #0f0f2a;
    --color-cosmic-purple: #25254d;
    --color-data-blue: #00e5ff;
    --color-quantum-green: #00ffab;
    --color-neon-pink: #ff00c8;
    --color-light: #e6f1ff;
    --color-gray-200: #b8c2cc;
    --color-gray-500: #8a94a6;
    
    /* 渐变背景 */
    --gradient-bg-primary: linear-gradient(135deg, var(--color-space-dark) 0%, var(--color-cosmic-purple) 100%);
    --gradient-bg-card: linear-gradient(145deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
    
    /* 边框与阴影 */
    --border-card: 1px solid rgba(0, 229, 255, 0.2);
    --border-card-hover: 1px solid rgba(0, 229, 255, 0.4);
    --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-card-hover: 0 20px 40px rgba(0, 229, 255, 0.3);
    --shadow-button: 0 0 15px rgba(0, 229, 255, 0.3);
    
    /* 动画曲线 */
    --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* 间距系统 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    
    /* 圆角系统 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    /* 字体系统 */
    --font-primary: 'Inter', 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

body {
    font-family: var(--font-primary);
    background: var(--gradient-bg-primary);
    color: var(--color-light);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === 背景效果 === */
.data-grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(0, 229, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 255, 171, 0.08) 0%, transparent 50%);
    z-index: -2;
    pointer-events: none;
}

.data-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* === 布局容器 === */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
    position: relative;
    z-index: 1;
}

/* === 太极数据流布局 === */
.taiji-layout {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: var(--spacing-lg);
    min-height: 100vh;
    padding: var(--spacing-xl) 0;
    align-items: center;
    opacity: 0;
    transform: translateY(20px);
    animation: layoutReveal 0.8s var(--ease-smooth) 0.2s forwards;
}

@keyframes layoutReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 左侧数据输入 */
.data-input {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    animation: slideInLeft 0.8s var(--ease-smooth) 0.4s forwards;
    opacity: 0;
    transform: translateX(-30px);
}

/* 右侧数据输出 */
.data-output {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    animation: slideInRight 0.8s var(--ease-smooth) 0.4s forwards;
    opacity: 0;
    transform: translateX(30px);
}

/* 中心仪表盘 */
.dashboard-center {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--spacing-xl) 0;
    animation: fadeInUp 0.8s var(--ease-smooth) 0.3s forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* === 品牌标识 === */
.brand-logo {
    margin-bottom: var(--spacing-lg);
}

.brand-logo h1 {
    font-size: 3.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-data-blue), var(--color-quantum-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 1px;
    line-height: 1.1;
}

.brand-logo .tagline {
    font-size: 1.1rem;
    color: var(--color-gray-200);
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* === 优化后的金字塔介绍语 === */
.intro-text {
    margin: var(--spacing-lg) 0 var(--spacing-xl);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 600px;
    width: 100%;
}

.intro-text p {
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    line-height: 1.4;
    transition: all 0.3s var(--ease-smooth);
}

/* 金字塔层次结构 */
.intro-line-1 {
    font-size: 1.4rem !important;
    font-weight: 700 !important;
    color: var(--color-light) !important;
    margin-bottom: 0.2rem !important;
}

.intro-line-1 i {
    color: #FFD700 !important; /* 金色星星 */
    font-size: 1.2rem !important;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.intro-line-2 {
    font-size: 1.15rem !important;
    font-weight: 500 !important;
    color: var(--color-gray-200) !important;
    opacity: 0.9;
}

.intro-line-2 i {
    color: var(--color-data-blue) !important;
    font-size: 1rem !important;
}

.intro-line-3 {
    font-size: 1rem !important;
    font-weight: 400 !important;
    color: var(--color-gray-300) !important;
    opacity: 0.8;
    line-height: 1.5 !important;
    text-align: center;
    margin-top: 0.2rem !important;
}

.intro-line-3 i {
    color: var(--color-quantum-green) !important;
    font-size: 0.9rem !important;
}

/* 悬停效果增强 */
.intro-text p:hover {
    transform: translateY(-2px);
    opacity: 1 !important;
}

.intro-line-1:hover i {
    animation: starPulse 1s ease-in-out infinite;
}

@keyframes starPulse {
    0%, 100% {
        transform: scale(1);
        text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
    }
    50% {
        transform: scale(1.1);
        text-shadow: 0 0 20px rgba(255, 215, 0, 0.8);
    }
}

/* 开发者简介 */
.developer-bio {
    max-width: 500px;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.developer-bio p {
    color: var(--color-gray-200);
    font-size: 0.95rem;
    line-height: 1.6;
    text-align: center;
}

/* === 数据服务卡片 === */
.data-service {
    background: var(--gradient-bg-card);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: var(--border-card);
    transition: all 0.4s var(--ease-smooth);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
    box-shadow: var(--shadow-card);
    animation: cardFloat 6s ease-in-out infinite;
}

.data-service:nth-child(odd) {
    animation-delay: 0.3s;
}

@keyframes cardFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.data-service::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.15), transparent);
    transition: left 0.7s var(--ease-smooth);
}

.data-service:hover::before {
    left: 100%;
}

.data-service:hover {
    transform: translateY(-12px) rotateX(5deg);
    box-shadow: var(--shadow-card-hover);
    border: var(--border-card-hover);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-md);
    background: rgba(0, 229, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.service-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid var(--color-data-blue);
    animation: pulse 2s infinite;
}

.service-icon i {
    font-size: 2rem;
    color: var(--color-data-blue);
    z-index: 1;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.7;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.service-title {
    font-size: 1.6rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-light);
    width: 100%;
    text-align: center;
    font-weight: 600;
    line-height: 1.3;
}

/* 项目背景标签 */
.project-context {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 0, 200, 0.1);
    color: var(--color-neon-pink);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(255, 0, 200, 0.2);
    font-weight: 500;
}

.project-context i {
    font-size: 0.8rem;
}

.service-desc {
    color: var(--color-gray-200);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    width: 100%;
    text-align: justify;
    text-indent: 2em;
    font-size: 0.95rem;
}

/* 技术挑战说明 */
.tech-challenge {
    background: rgba(0, 229, 255, 0.08);
    border-left: 3px solid var(--color-data-blue);
    padding: var(--spacing-sm);
    margin: var(--spacing-md) 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    text-align: left;
    width: 100%;
}

.tech-challenge strong {
    color: var(--color-data-blue);
    font-weight: 600;
}

.tech-challenge {
    color: var(--color-gray-200);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 技术栈标签 */
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin: var(--spacing-md) 0;
    width: 100%;
}

.tech-tag {
    background: rgba(0, 229, 255, 0.1);
    color: var(--color-data-blue);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(0, 229, 255, 0.2);
    transition: all 0.3s var(--ease-smooth);
}

.tech-tag.primary {
    background: rgba(0, 229, 255, 0.2);
    border-color: rgba(0, 229, 255, 0.4);
    font-weight: 600;
}

.tech-tag:hover {
    background: rgba(0, 229, 255, 0.2);
    transform: translateY(-2px);
}

/* === 按钮样式 === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    background: rgba(0, 229, 255, 0.2);
    color: var(--color-data-blue);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all 0.3s var(--ease-smooth);
    border: 1px solid rgba(0, 229, 255, 0.4);
    position: relative;
    overflow: hidden;
    font-size: 1rem;
    box-shadow: var(--shadow-button);
    cursor: pointer;
    margin-top: var(--spacing-sm);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.3), transparent);
    transition: left 0.5s var(--ease-smooth);
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    background: rgba(0, 229, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 229, 255, 0.5);
}

.btn-accent {
    background: rgba(255, 0, 200, 0.2);
    color: var(--color-neon-pink);
    border: 1px solid rgba(255, 0, 200, 0.4);
    box-shadow: 0 0 15px rgba(255, 0, 200, 0.3);
}

.btn-accent:hover {
    background: rgba(255, 0, 200, 0.3);
    box-shadow: 0 8px 20px rgba(255, 0, 200, 0.5);
}

/* === 触摸设备优化 === */
@media (hover: none) and (pointer: coarse) {
    .btn:active,
    .project-link:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    .data-service:active {
        transform: translateY(-5px);
    }
}

/* === 焦点状态优化 === */
.btn:focus-visible,
.project-link:focus-visible {
    outline: 2px solid var(--color-data-blue);
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.3);
}

/* === 项目关联区域 === */
.projects-section {
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    margin-top: var(--spacing-lg);
}

.projects-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-data-blue), transparent);
}

.projects-section h2 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.projects-section h2 i {
    color: var(--color-data-blue);
}

.projects-container {
    max-width: 1000px;
    margin: 0 auto;
}

.projects-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.project-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    color: var(--color-light);
    text-decoration: none;
    transition: all 0.3s var(--ease-smooth);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
    max-width: 350px;
    width: 100%;
}

.project-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.1), transparent);
    transition: left 0.5s var(--ease-smooth);
}

.project-link:hover::before {
    left: 100%;
}

.project-link:hover {
    background: rgba(0, 229, 255, 0.08);
    transform: translateY(-5px);
    border-color: rgba(0, 229, 255, 0.2);
    box-shadow: 0 10px 25px rgba(0, 229, 255, 0.15);
}

.project-link i {
    color: var(--color-data-blue);
    font-size: 1.5rem;
    width: 30px;
    text-align: center;
}

.project-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.project-info strong {
    font-size: 1.1rem;
    margin-bottom: 4px;
    color: var(--color-light);
}

.project-info span {
    font-size: 0.9rem;
    color: var(--color-gray-200);
    line-height: 1.4;
}

/* === 优化后的版权声明 === */
.personal-identifier {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.personal-identifier p {
    margin: 0;
}

.copyright-line {
    font-size: 0.95rem;
    color: var(--color-light);
    font-weight: 500;
}

.disclaimer-line {
    font-size: 0.85rem;
    color: var(--color-gray-200);
    line-height: 1.6;
    max-width: 100%;
    margin: 0 auto;
    font-style: normal;
}

/* === 打印样式优化 === */
@media print {
    .data-particles,
    .data-grid-bg,
    .btn,
    .project-link {
        display: none !important;
    }
    
    .data-service {
        break-inside: avoid;
        border: 1px solid #ddd !important;
        box-shadow: none !important;
        background: white !important;
        color: black !important;
    }
    
    .service-icon {
        background: #f5f5f5 !important;
    }
    
    .service-icon i {
        color: #333 !important;
    }
}

/* === 响应式设计 === */
@media (max-width: 1200px) {
    .taiji-layout {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .data-input,
    .data-output {
        padding: var(--spacing-lg) 0;
        align-items: center;
        animation: none;
        opacity: 1;
        transform: none;
    }

    .dashboard-center {
        padding: var(--spacing-lg) 0;
        order: -1;
        animation: none;
        opacity: 1;
        transform: none;
    }

    .data-service {
        max-width: 500px;
        margin: 0 auto var(--spacing-lg);
    }
    
    /* 调整介绍语在平板设备上的显示 */
    .intro-text {
        max-width: 500px;
    }
    
    .intro-text p {
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
        --spacing-md: 1.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .brand-logo h1 {
        font-size: 2.5rem;
    }
    
    .data-service {
        padding: var(--spacing-md);
        max-width: 100%;
    }
    
    .service-title {
        font-size: 1.4rem;
    }
    
    .service-desc {
        font-size: 0.95rem;
        text-indent: 1.5em;
    }
    
    .tech-stack {
        gap: 6px;
    }
    
    .tech-tag {
        padding: 5px 10px;
        font-size: 0.8rem;
    }
    
    .project-link {
        max-width: 100%;
        padding: var(--spacing-sm);
    }
    
    .taiji-layout {
        padding: var(--spacing-lg) 0;
    }
    
    /* 移动端介绍语优化 */
    .intro-line-1 {
        font-size: 1.25rem !important;
    }
    
    .intro-line-2 {
        font-size: 1.05rem !important;
    }
    
    .intro-line-3 {
        font-size: 0.95rem !important;
        text-align: center;
        max-width: 100%;
    }
    
    .intro-text p {
        gap: var(--spacing-xs);
    }
    
    .intro-line-1 i {
        font-size: 1.1rem !important;
    }
    
    .intro-line-2 i {
        font-size: 0.9rem !important;
    }
    
    .intro-line-3 i {
        font-size: 0.8rem !important;
    }
}

@media (max-width: 480px) {
    .brand-logo h1 {
        font-size: 2.2rem;
    }
    
    .intro-text p {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .intro-line-1 {
        font-size: 1.15rem !important;
    }
    
    .intro-line-2 {
        font-size: 1rem !important;
    }
    
    .intro-line-3 {
        font-size: 0.9rem !important;
        line-height: 1.5;
        padding: 0 0.5rem;
    }
    
    .service-title {
        font-size: 1.3rem;
    }
    
    .service-desc {
        font-size: 0.9rem;
        text-indent: 1.5em;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .tech-stack {
        gap: 4px;
    }
    
    .tech-tag {
        padding: 4px 8px;
        font-size: 0.75rem;
    }
    
    .project-link {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .project-info {
        align-items: center;
        text-align: center;
    }
    
    /* 移动端版权声明优化 */
    .personal-identifier {
        margin-top: var(--spacing-lg);
        padding-top: var(--spacing-md);
    }
    
    .copyright-line {
        font-size: 0.9rem;
    }
    
    .disclaimer-line {
        font-size: 0.8rem;
        line-height: 1.5;
    }
}

/* === 超高分辨率支持 === */
@media (min-width: 1920px) {
    .container {
        max-width: 1600px;
    }
    
    .brand-logo h1 {
        font-size: 3.5rem;
    }
    
    .intro-text p {
        font-size: 1.2rem;
    }
    
    .intro-line-1 {
        font-size: 1.6rem !important;
    }
    
    .intro-line-2 {
        font-size: 1.3rem !important;
    }
    
    .intro-line-3 {
        font-size: 1.1rem !important;
    }
    
    .service-title {
        font-size: 1.8rem;
    }
    
    .service-desc {
        font-size: 1.05rem;
    }
}