/* 
 * 厦门极派信息科技有限公司 - 赛博朋克/玻璃拟态双主题 UI
 * ----------------------------------------------------
 */

:root {
    /* 基础字体 */
    --font-sans: 'Noto Sans SC', sans-serif;
    --font-tech: 'Orbitron', sans-serif;

    /* 布局与间距 */
    --container-width: 1280px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition-fast: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-slow: 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* =========================================
   深色主题变量 (默认)
   ========================================= */
[data-theme="dark"] {
    --bg-base: #050505;
    --bg-panel: rgba(15, 23, 42, 0.6);
    --bg-card: rgba(20, 25, 35, 0.4);
    
    --text-primary: #f8f9fa;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-primary: #00f0ff; /* 赛博青 */
    --accent-secondary: #7000ff; /* 霓虹紫 */
    --accent-tertiary: #ff0055; /* 警告红 */
    
    --border-glass: rgba(0, 240, 255, 0.2);
    --border-light: rgba(255, 255, 255, 0.05);
    
    --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.3);
    --shadow-glow-hover: 0 0 40px rgba(0, 240, 255, 0.6);
    --shadow-panel: 0 8px 32px rgba(0, 0, 0, 0.5);
    
    --grid-color: rgba(0, 240, 255, 0.03);
}

/* =========================================
   亮色主题变量
   ========================================= */
[data-theme="light"] {
    --bg-base: #f0f4f8;
    --bg-panel: rgba(255, 255, 255, 0.8);
    --bg-card: rgba(255, 255, 255, 0.6);
    
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    
    --accent-primary: #0284c7; /* 科技蓝 */
    --accent-secondary: #4f46e5; /* 靛蓝 */
    --accent-tertiary: #e11d48; /* 玫瑰红 */
    
    --border-glass: rgba(2, 132, 199, 0.2);
    --border-light: rgba(0, 0, 0, 0.08);
    
    --shadow-glow: 0 10px 30px rgba(2, 132, 199, 0.15);
    --shadow-glow-hover: 0 15px 40px rgba(2, 132, 199, 0.3);
    --shadow-panel: 0 8px 32px rgba(0, 0, 0, 0.05);
    
    --grid-color: rgba(2, 132, 199, 0.05);
}

/* =========================================
   全局样式
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-slow), color var(--transition-slow);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 10;
}

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

.section-padding {
    padding: 120px 0;
}

/* =========================================
   背景动态光效与网格
   ========================================= */
.bg-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
        linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
    background-size: 40px 40px;
    transform: perspective(500px) rotateX(60deg) translateY(-100px) translateZ(-200px);
    transform-origin: top center;
    animation: gridMove 20s linear infinite;
    opacity: 0.5;
}

@keyframes gridMove {
    0% { background-position: 0 0; }
    100% { background-position: 0 40px; }
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out alternate;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--accent-primary);
    top: -100px;
    left: -100px;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: var(--accent-secondary);
    bottom: -50px;
    right: -50px;
    animation-delay: -5s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: var(--accent-tertiary);
    top: 40%;
    left: 40%;
    opacity: 0.2;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(100px, 50px) scale(1.2); }
    100% { transform: translate(-50px, 100px) scale(0.9); }
}

/* =========================================
   通用组件：玻璃拟态卡片 & 按钮
   ========================================= */
.glass-panel {
    background: var(--bg-panel);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-panel);
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.glass-card:hover {
    border-color: var(--border-glass);
    box-shadow: var(--shadow-glow);
    transform: translateY(-5px);
}

/* 赛博朋克按钮 */
.cyber-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    font-family: var(--font-tech);
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-primary);
    background: transparent;
    border: 1px solid var(--border-light);
    cursor: pointer;
    overflow: hidden;
    transition: all var(--transition-fast);
    z-index: 1;
}

.cyber-btn.primary {
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.2) inset;
}

.cyber-btn::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--accent-primary);
    z-index: -1;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-fast);
}

.cyber-btn:hover::before {
    transform: scaleX(1);
}

.cyber-btn:hover {
    color: #fff;
    box-shadow: var(--shadow-glow-hover);
}

/* =========================================
   导航栏
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: padding var(--transition-fast);
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
    transition: height var(--transition-fast);
}

.navbar.scrolled .navbar-container {
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 28px;
    color: var(--accent-primary);
    text-shadow: var(--shadow-glow);
}

.logo-text {
    font-family: var(--font-tech);
    font-size: 24px;
    font-weight: 900;
    letter-spacing: 1px;
}

.logo-text .highlight {
    color: var(--accent-primary);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-item {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 16px;
    position: relative;
    padding: 8px 0;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.nav-item:hover, .nav-item.active {
    color: var(--accent-primary);
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-fast);
    box-shadow: var(--shadow-glow);
}

.nav-item:hover::after, .nav-item.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.theme-toggle {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: rgba(255,255,255,0.1);
    box-shadow: var(--shadow-glow);
    color: var(--accent-primary);
}

[data-theme="dark"] .light-icon { display: none; }
[data-theme="light"] .dark-icon { display: none; }

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
}

/* =========================================
   Hero Banner
   ========================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 90px;
    position: relative;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.tech-badge {
    display: inline-block;
    font-family: var(--font-tech);
    font-size: 14px;
    color: var(--accent-primary);
    border: 1px solid var(--border-glass);
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 24px;
    background: rgba(0, 240, 255, 0.05);
    letter-spacing: 1px;
}

.blink {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.glitch-text {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    position: relative;
}

[data-theme="dark"] .glitch-text {
    text-shadow: 0 0 20px rgba(255,255,255,0.2);
}

.hero-desc {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 24px;
}

/* Hero 全息影像视觉 */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 500px;
}

.hologram-container {
    position: relative;
    width: 300px;
    height: 300px;
    transform-style: preserve-3d;
    transform: rotateX(20deg) rotateY(20deg);
}

.holo-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid var(--accent-primary);
    box-shadow: inset 0 0 20px var(--accent-primary), 0 0 20px var(--accent-primary);
    opacity: 0.5;
}

.outer { animation: rotateHolo 10s linear infinite; }
.middle { inset: 30px; border-color: var(--accent-secondary); animation: rotateHolo 15s linear infinite reverse; }
.inner { inset: 60px; border: 2px dashed var(--accent-primary); animation: rotateHolo 8s linear infinite; }

.holo-core {
    position: absolute;
    inset: 90px;
    background: var(--bg-panel);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--text-primary);
    box-shadow: 0 0 30px var(--accent-primary);
    animation: pulse 2s ease-in-out infinite alternate;
}

@keyframes rotateHolo {
    0% { transform: rotateZ(0deg) rotateX(0deg); }
    100% { transform: rotateZ(360deg) rotateX(360deg); }
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 20px var(--accent-primary); }
    100% { transform: scale(1.05); box-shadow: 0 0 40px var(--accent-primary); }
}

/* =========================================
   章节通用
   ========================================= */
.section-header {
    margin-bottom: 60px;
}

.cyber-subtitle {
    font-family: var(--font-tech);
    color: var(--accent-primary);
    font-size: 14px;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 700;
}

/* =========================================
   关于我们 (Bento Grid)
   ========================================= */
.main-intro-card {
    padding: 40px;
    margin-bottom: 32px;
    font-size: 18px;
    line-height: 1.8;
    text-align: center;
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(0, 240, 255, 0.05) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-slow);
    pointer-events: none;
}

.glass-card:hover .card-glow {
    opacity: 1;
}

.about-bento-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 40px;
}

.bento-item {
    padding: 40px;
}

.bento-item.full-width {
    grid-column: span 2;
}

.bento-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.icon-box {
    width: 48px;
    height: 48px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 20px;
}

.bento-item h3 {
    font-size: 24px;
    font-weight: 700;
}

.bento-item p {
    color: var(--text-secondary);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.value-item h4 {
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.value-item h4 i {
    color: var(--accent-primary);
}

.value-item p {
    font-size: 14px;
    line-height: 1.6;
}

.mission-statement {
    padding: 40px;
    border-left: 4px solid var(--accent-primary);
    background: linear-gradient(90deg, rgba(0, 240, 255, 0.05) 0%, transparent 100%);
    position: relative;
}

.quote-mark {
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 60px;
    color: rgba(0, 240, 255, 0.1);
}

.mission-content p {
    font-size: 20px;
    font-weight: 500;
    position: relative;
    z-index: 1;
}

/* =========================================
   服务介绍
   ========================================= */
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    padding: 40px 32px;
    text-align: left;
    position: relative;
}

.card-border-gradient {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-md);
    padding: 2px;
    background: linear-gradient(135deg, var(--border-light), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    transition: background var(--transition-fast);
}

.service-card:hover .card-border-gradient {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}

.service-icon {
    font-size: 40px;
    color: var(--accent-primary);
    margin-bottom: 24px;
    transition: transform var(--transition-fast);
}

.service-card:hover .service-icon {
    transform: scale(1.1) translateY(-5px);
    text-shadow: var(--shadow-glow);
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 15px;
}

.tech-lines {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 60px;
    height: 60px;
    background-image: 
        linear-gradient(45deg, transparent 48%, var(--border-glass) 48%, var(--border-glass) 52%, transparent 52%);
    background-size: 10px 10px;
    opacity: 0;
    transition: opacity var(--transition-fast);
    border-bottom-right-radius: var(--radius-md);
}

.service-card:hover .tech-lines {
    opacity: 1;
}

/* =========================================
   导航栏下拉菜单
   ========================================= */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(15px);
    min-width: 220px;
    padding: 8px 0;
    margin-top: 10px;
    border-radius: var(--radius-sm);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    list-style: none;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-primary);
    font-size: 15px;
    transition: background var(--transition-fast), color var(--transition-fast);
    white-space: nowrap;
}

.dropdown-item:hover {
    background: rgba(0, 240, 255, 0.1);
    color: var(--accent-primary);
}

.dropdown-item i {
    color: var(--accent-primary);
    font-size: 16px;
    width: 20px;
    text-align: center;
}

/* =========================================
   极客工具箱
   ========================================= */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.tool-card {
    display: flex;
    align-items: center;
    padding: 32px;
    gap: 24px;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.tool-icon {
    font-size: 48px;
    color: var(--accent-primary);
    flex-shrink: 0;
    transition: transform var(--transition-fast), text-shadow var(--transition-fast);
}

.tool-content {
    flex-grow: 1;
}

.tool-content h3 {
    font-size: 22px;
    margin-bottom: 8px;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.tool-content p {
    color: var(--text-secondary);
    font-size: 15px;
    margin: 0;
    line-height: 1.6;
}

.tool-arrow {
    font-size: 20px;
    color: var(--text-muted);
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.tool-card:hover .tool-icon {
    transform: scale(1.1);
    text-shadow: var(--shadow-glow);
}

.tool-card:hover .tool-content h3 {
    color: var(--accent-primary);
}

.tool-card:hover .tool-arrow {
    color: var(--accent-primary);
    transform: translateX(5px);
}

/* =========================================
   页脚
   ========================================= */
.cyber-footer {
    position: relative;
    padding: 80px 0 0;
    background: var(--bg-panel);
    border-top: 1px solid var(--border-glass);
    overflow: hidden;
}

.footer-glow {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    box-shadow: 0 0 20px var(--accent-primary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 24px;
}

.footer-desc {
    color: var(--text-secondary);
}

.footer-title {
    font-family: var(--font-tech);
    color: var(--text-primary);
    font-size: 16px;
    letter-spacing: 1px;
    margin-bottom: 24px;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.contact-list i {
    color: var(--accent-primary);
    margin-top: 4px;
}

.qr-glass-box {
    background: rgba(255,255,255,0.05);
    padding: 16px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    display: inline-block;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-light);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 14px;
}

/* =========================================
   动画与滚动揭示
   ========================================= */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* =========================================
   响应式设计 (4K, Retina, 移动端自适应)
   ========================================= */

/* 4K & Ultra Wide */
@media (min-width: 2560px) {
    :root {
        --container-width: 1600px;
    }
    html { font-size: 18px; }
    .glitch-text { font-size: 80px; }
    .hero-visual { transform: scale(1.5); }
}

/* Retina (High DPI) adjustments */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .glass-card, .glass-panel {
        border-width: 0.5px; /* 在Retina下更细的边框更显精致 */
    }
}

/* 平板 & 笔记本 */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-actions {
        justify-content: center;
    }
    .hero-visual {
        height: 400px;
    }
    .about-bento-grid {
        grid-template-columns: 1fr;
    }
    .bento-item.full-width {
        grid-column: 1;
    }
    .value-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* 移动端 */
@media (max-width: 768px) {
    .navbar-container {
        padding: 0 16px;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-wrapper {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-panel);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px 0;
        border-bottom: 1px solid var(--border-light);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path var(--transition-fast);
        gap: 20px;
    }

    .nav-wrapper.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }

    .nav-links {
        flex-direction: column;
        text-align: center;
        width: 100%;
        gap: 15px;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: transparent;
        border: none;
        padding: 10px 0 0 0;
        margin-top: 10px;
    }

    .dropdown:hover .dropdown-menu {
        transform: none;
    }

    .dropdown-item {
        justify-content: center;
        padding: 10px;
    }

    .glitch-text {
        font-size: 40px;
    }

    .hero-desc {
        font-size: 16px;
    }

    .cyber-btn {
        padding: 12px 24px;
        font-size: 14px;
    }

    .service-grid {
        grid-template-columns: 1fr;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .tool-card {
        flex-direction: column;
        text-align: center;
        padding: 24px;
        gap: 16px;
    }

    .tool-arrow {
        display: none;
    }

    .value-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .contact-list li {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
    }
}