/* ==========================================================================
   广州洋光软件开发有限公司 - 官方网站样式表
   作者: Antigravity
   设计风格: 高对比度极客暗黑风, 对标 landonorris.com 动效与交互
   ========================================================================== */

/* 引入 Google 字体 */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Syncopate:wght@400;700&display=swap');

/* ==========================================================================
   设计变量系统
   ========================================================================== */
:root {
    /* 极简高对比白色科技风 (High Contrast White Tech Theme) */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --accent-color: #0052ff; /* 鲜明宝蓝 */
    --accent-rgb: 0, 82, 255;
    --accent-secondary: #4f46e5;
    --accent-secondary-rgb: 79, 70, 229;
    --text-primary: #0f172a; /* 极深灰黑，超高清晰度 */
    --text-secondary: #334155; /* 沉稳深灰色，可读性强 */
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: #e2e8f0;
    --card-bg: #ffffff;
    --card-border-hover: #0052ff;
    --shadow-color: rgba(15, 23, 42, 0.08);
    --selection-bg: rgba(0, 82, 255, 0.15);
    
    /* 字体定义 */
    --font-display: 'Syncopate', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* 动效过渡 */
    --transition-smooth: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    --transition-fast: all 0.2s ease;
}

/* ==========================================================================
   全局重置与基底样式
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 85px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    overflow-x: hidden;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    transition: background-color 0.8s cubic-bezier(0.25, 1, 0.5, 1);
    -webkit-font-smoothing: antialiased;
}

/* 隐藏默认鼠标指针 (仅在大屏幕且JS就绪时激活) */
body.has-custom-cursor {
    cursor: none;
}
body.has-custom-cursor a,
body.has-custom-cursor button,
body.has-custom-cursor select,
body.has-custom-cursor input,
body.has-custom-cursor textarea,
body.has-custom-cursor .interactive {
    cursor: none;
}

/* 文本选择自定义 */
::selection {
    background: var(--selection-bg);
    color: #ffffff;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    border: 2px solid var(--bg-primary);
    transition: var(--transition-smooth);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* ==========================================================================
   自定义鼠标指针 (Custom Cursor)
   ========================================================================== */
.custom-cursor-follower {
    position: fixed;
    top: 0;
    left: 0;
    width: 40px;
    height: 40px;
    border: 1px solid var(--accent-color);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99999;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease, border-color 0.8s cubic-bezier(0.25, 1, 0.5, 1), background-color 0.3s ease;
    mix-blend-mode: screen;
}

.custom-cursor-dot {
    position: fixed;
    top: 0;
    left: 0;
    width: 6px;
    height: 6px;
    background-color: var(--accent-color);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99999;
    transform: translate(-50%, -50%);
    transition: background-color 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.2s ease;
}

/* 指针悬浮状态 */
.custom-cursor-follower.hovered {
    width: 70px;
    height: 70px;
    background-color: rgba(var(--accent-rgb), 0.1);
    border-color: var(--accent-color);
}

.custom-cursor-dot.hovered {
    transform: translate(-50%, -50%) scale(1.5);
}

/* 悬停在案例列表时显示 "VIEW" */
.custom-cursor-follower.view-mode {
    width: 90px;
    height: 90px;
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    mix-blend-mode: difference;
    display: flex;
    align-items: center;
    justify-content: center;
}
.custom-cursor-follower.view-mode::after {
    content: "VIEW";
    font-family: var(--font-display);
    font-size: 10px;
    font-weight: 700;
    color: #000000;
    letter-spacing: 2px;
}

/* 悬停在轮播图时显示 "DRAG" */
.custom-cursor-follower.drag-mode {
    width: 90px;
    height: 90px;
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    mix-blend-mode: difference;
    display: flex;
    align-items: center;
    justify-content: center;
}
.custom-cursor-follower.drag-mode::after {
    content: "DRAG";
    font-family: var(--font-display);
    font-size: 10px;
    font-weight: 700;
    color: #000000;
    letter-spacing: 2px;
}

/* ==========================================================================
   HTML5 Canvas 背景容器
   ========================================================================== */
#canvas-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    transition: opacity 1s ease;
}

/* ==========================================================================
   页面通用结构组件
   ========================================================================== */
.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
    z-index: 1;
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
}

section {
    position: relative;
    padding: 40px 0;
    overflow: hidden;
    scroll-margin-top: 85px;
}

/* 霓虹发光边线与网格背景 */
.grid-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 82, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 82, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
    pointer-events: none;
}

/* 大号科技感横线 */
.tech-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
    margin: 20px 0;
}

/* ==========================================================================
   玻璃态悬浮顶栏导航栏 (Header)
   ========================================================================== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background-color: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
}

header .header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* 品牌Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    transition: transform 0.4s ease;
}

.logo:hover .logo-img {
    transform: rotate(12deg) scale(1.08);
}

.logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 2px;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
}

.logo-text span.brand-sub {
    font-family: var(--font-body);
    font-size: 9px;
    color: var(--text-secondary);
    letter-spacing: 3px;
    margin-top: 2px;
}

/* 导航链接 */
nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

nav a {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: 6px 0;
    transition: var(--transition-fast);
}

nav a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent-color);
    transition: var(--transition-fast);
    box-shadow: 0 0 8px var(--accent-color);
}

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

nav a:hover::after {
    width: 100%;
}

/* 汉堡菜单 (移动端) */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
}

/* ==========================================================================
   双主题切换器 (Toggle Button)
   ========================================================================== */
.theme-switch-container {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3px;
    border-radius: 20px;
    position: relative;
}

.theme-btn {
    background: none;
    border: none;
    padding: 6px 16px;
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    border-radius: 15px;
    cursor: pointer;
    z-index: 2;
    transition: var(--transition-fast);
}

.theme-btn.active {
    color: #000000;
}

.theme-switch-slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 50%;
    height: calc(100% - 6px);
    background-color: var(--accent-color);
    border-radius: 15px;
    z-index: 1;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1), background-color 0.8s ease;
    box-shadow: 0 0 10px rgba(var(--accent-rgb), 0.5);
}

body.theme-ray .theme-switch-slider {
    transform: translateX(calc(100% - 6px));
}

@media (max-width: 992px) {
    nav {
        gap: 20px;
    }
    nav a {
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    header .header-container {
        padding: 0 20px;
    }
    nav {
        gap: 12px;
        flex-wrap: wrap;
    }
    nav a {
        font-size: 12px;
        letter-spacing: 0;
    }
}

/* ==========================================================================
   首屏区 (Hero Section)
   ========================================================================== */
.hero-section {
    min-height: auto;
    display: flex;
    align-items: center;
    padding-top: 85px;
    padding-bottom: 25px;
}

.hero-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

@media (max-width: 1024px) {
    .hero-layout {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(var(--accent-rgb), 0.07);
    border: 1px solid rgba(var(--accent-rgb), 0.2);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1.5px;
    color: var(--accent-color);
    text-transform: uppercase;
    margin-bottom: 24px;
    box-shadow: 0 0 15px rgba(var(--accent-rgb), 0.05);
    transition: var(--transition-smooth);
}

.hero-title {
    font-family: var(--font-display);
    font-size: 54px;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 30px;
    text-transform: uppercase;
}

.hero-title span.glow-text {
    color: var(--accent-color);
    text-shadow: none;
    transition: var(--transition-smooth);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }
}

.hero-desc {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 40px;
    font-weight: 400;
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }
}

/* 按钮组与磁性按钮 */
.cta-group {
    display: flex;
    align-items: center;
    gap: 20px;
}

@media (max-width: 1024px) {
    .cta-group {
        justify-content: center;
    }
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: var(--accent-color);
    color: #ffffff;
    border: none;
    padding: 16px 36px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 30px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(var(--accent-rgb), 0.35);
    transition: transform 0.1s ease, box-shadow 0.3s ease, background-color 0.8s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    box-shadow: 0 6px 28px rgba(var(--accent-rgb), 0.5);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: none;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    padding: 16px 36px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-secondary:hover {
    background-color: rgba(0, 82, 255, 0.05);
    border-color: var(--accent-color);
}

/* Hero 右侧酷炫发光面板 */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-globe-container {
    width: 320px;
    height: 320px;
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 40px rgba(var(--accent-rgb), 0.05);
    animation: spin 30s linear infinite;
    transition: var(--transition-smooth);
}

.visual-globe-container::before {
    content: "";
    position: absolute;
    width: 80%;
    height: 80%;
    border: 1px dashed rgba(var(--accent-rgb), 0.3);
    border-radius: 50%;
}

.visual-globe-core {
    width: 140px;
    height: 140px;
    background: radial-gradient(circle, var(--accent-color) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(10px);
    opacity: 0.6;
    animation: pulse 4s ease-in-out infinite alternate;
    transition: var(--transition-smooth);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.4; }
    100% { transform: scale(1.1); opacity: 0.8; }
}

/* 下滚指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 10px;
    font-family: var(--font-display);
    letter-spacing: 2px;
    color: var(--text-secondary);
    text-decoration: none;
    z-index: 5;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent-color), transparent);
    position: relative;
    overflow: hidden;
}

.scroll-line::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 15px;
    background-color: #ffffff;
    box-shadow: 0 0 8px #ffffff;
    animation: scroll-down 2s infinite ease-in-out;
}

@keyframes scroll-down {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(300%); }
}

/* ==========================================================================
   看板指标区 (Stats Section)
   ========================================================================== */
.stats-section {
    padding: 25px 0;
    background-color: rgba(var(--accent-rgb), 0.01);
}

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

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

@media (max-width: 576px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

.stat-card {
    background-color: var(--card-bg);
    border: 1px solid var(--glass-border);
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: var(--transition-smooth);
}

.stat-card:hover {
    border-color: var(--card-border-hover);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(var(--accent-rgb), 0.08);
}

.stat-num {
    font-family: var(--font-display);
    font-size: 38px;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 8px;
    text-shadow: none;
    transition: var(--transition-smooth);
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ==========================================================================
   双重叙事介绍区 (Duality Intro Section)
   ========================================================================== */
.duality-section {
    background-color: var(--bg-secondary);
    transition: background-color 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.section-eyebrow {
    font-family: var(--font-display);
    font-size: 11px;
    letter-spacing: 4px;
    color: var(--accent-color);
    text-transform: uppercase;
    margin-bottom: 12px;
    transition: var(--transition-smooth);
}

.section-title {
    font-family: var(--font-display);
    font-size: 30px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.5px;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .section-title {
        font-size: 28px;
    }
}

.duality-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

@media (max-width: 768px) {
    .duality-showcase {
        grid-template-columns: 1fr;
    }
}

.duality-panel {
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    padding: 50px;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 25px rgba(15, 23, 42, 0.05);
    transition: var(--transition-smooth);
}

.duality-panel::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-color), transparent);
}

.duality-panel:hover {
    border-color: rgba(var(--accent-rgb), 0.3);
    box-shadow: 0 10px 40px rgba(var(--accent-rgb), 0.05);
}

.duality-icon {
    font-size: 32px;
    color: var(--accent-color);
    margin-bottom: 24px;
    transition: var(--transition-smooth);
}

.duality-panel h3 {
    font-family: var(--font-display);
    font-size: 22px;
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.duality-panel p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
    font-weight: 400;
}

/* ==========================================================================
   服务范围 (Services Section)
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* 3D 倾斜卡片 */
.service-card-wrapper {
    perspective: 1000px;
}

.service-card {
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 40px;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05);
    transform-style: preserve-3d;
    transform: translateZ(0);
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.service-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle 200px at var(--mouse-x, 0) var(--mouse-y, 0), rgba(0, 82, 255, 0.05), transparent 80%);
    pointer-events: none;
    z-index: 1;
}

.service-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 12px 35px rgba(0, 82, 255, 0.12);
}

.service-num {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 30px;
    display: block;
    transform: translateZ(20px);
}

.service-icon {
    font-size: 28px;
    color: var(--accent-color);
    margin-bottom: 24px;
    transform: translateZ(30px);
    transition: var(--transition-smooth);
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-transform: uppercase;
    transform: translateZ(35px);
}

.service-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 30px;
    font-weight: 400;
    transform: translateZ(20px);
}

.service-tags {
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    transform: translateZ(25px);
}

.service-tags span {
    font-size: 11px;
    background-color: #f1f5f9;
    border: 1px solid #cbd5e1;
    padding: 4px 10px;
    border-radius: 12px;
    color: #1e293b;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==========================================================================
   案例展示 - 轮播图样式 (Portfolio Carousel Section)
   ========================================================================== */
.portfolio-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.portfolio-header .section-title {
    margin-bottom: 0;
}

.carousel-controls {
    display: flex;
    gap: 12px;
    position: relative;
    z-index: 10;
}

.carousel-control-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: #ffffff;
    border: 1px solid #cbd5e1;
    color: var(--text-primary);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.05);
    transition: var(--transition-smooth);
    position: relative;
    z-index: 10;
    pointer-events: auto;
}

.carousel-control-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background-color: #f8fafc;
    box-shadow: 0 4px 15px rgba(0, 82, 255, 0.15);
}

/* Swiper 容器与 Slide 样式 (全宽单案例特色轮播) */
.portfolio-swiper {
    width: 100%;
    padding: 0 0 35px !important;
    overflow: hidden !important;
}

.portfolio-swiper .swiper-slide {
    width: 100% !important;
    height: auto;
    opacity: 1;
    transform: none;
    filter: none;
}

/* Swiper 自定义圆点 */
.portfolio-swiper .swiper-pagination {
    bottom: 0 !important;
}

.portfolio-swiper .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: #cbd5e1;
    opacity: 0.7;
    transition: all 0.3s ease;
    margin: 0 5px !important;
}

.portfolio-swiper .swiper-pagination-bullet-active {
    width: 26px;
    border-radius: 4px;
    background: var(--accent-color);
    opacity: 1;
    box-shadow: 0 2px 10px rgba(0, 82, 255, 0.3);
}

/* 轮播卡片本体 (横向大牌特色展示) */
.slide-card {
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 24px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.slide-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 15px 40px rgba(0, 82, 255, 0.12);
}

@media (max-width: 900px) {
    .slide-card {
        grid-template-columns: 1fr;
    }
}

/* 卡片配图与内部 Swiper 轮播 */
.slide-image {
    width: 100%;
    height: 380px;
    overflow: hidden;
    position: relative;
}

@media (max-width: 900px) {
    .slide-image {
        height: 240px;
    }
}

.card-img-swiper {
    width: 100%;
    height: 100%;
}

.card-img-swiper .swiper-slide {
    width: 100% !important;
    height: 100% !important;
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
}

.card-img-swiper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 内部小轮播圆点 */
.card-img-pagination {
    bottom: 8px !important;
    z-index: 10;
}

.card-img-pagination .swiper-pagination-bullet {
    width: 6px !important;
    height: 6px !important;
    background: #ffffff !important;
    opacity: 0.6 !important;
    margin: 0 3px !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.card-img-pagination .swiper-pagination-bullet-active {
    width: 16px !important;
    border-radius: 3px !important;
    background: #0052ff !important;
    opacity: 1 !important;
}

.slide-card:hover .slide-image img {
    transform: scale(1.06);
}

/* 卡片信息区 */
.slide-info {
    padding: 36px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

@media (max-width: 768px) {
    .slide-info {
        padding: 24px;
    }
}

.slide-cat {
    font-family: var(--font-body);
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 12px;
    display: block;
}

.slide-info h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.slide-info p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
    font-weight: 400;
    height: 68px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.slide-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.slide-tags span {
    font-size: 11px;
    background-color: #f1f5f9;
    border: 1px solid #cbd5e1;
    padding: 4px 10px;
    border-radius: 12px;
    color: #1e293b;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.slide-btn {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-color);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-fast);
}

.slide-btn i {
    font-size: 11px;
    transition: transform 0.3s ease;
}

.slide-btn:hover {
    text-shadow: 0 0 10px rgba(var(--accent-rgb), 0.4);
}

.slide-btn:hover i {
    transform: translate(2px, -2px);
}

/* 轮播点导航 */
.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #cbd5e1;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.carousel-dot.active {
    background-color: var(--accent-color);
    width: 24px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 82, 255, 0.3);
}

/* ==========================================================================
   技术实验室 (Labs & Tech Stack Grid)
   ========================================================================== */
.labs-section {
    background-color: var(--bg-secondary);
    transition: background-color 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.labs-layout {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 80px;
    align-items: center;
}

@media (max-width: 992px) {
    .labs-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

@media (max-width: 576px) {
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.tech-item {
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    padding: 24px;
    border-radius: 12px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    opacity: 1 !important;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
    transition: var(--transition-smooth);
}

.tech-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 82, 255, 0.12);
}

.tech-icon {
    font-size: 26px;
    color: var(--accent-color);
    transition: var(--transition-smooth);
}

.tech-name {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

/* ==========================================================================
   联系表单区 (Contact Section)
   ========================================================================== */
.contact-layout {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 80px;
}

@media (max-width: 992px) {
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

.contact-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-details {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-detail-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon-box {
    width: 50px;
    height: 50px;
    background-color: rgba(var(--accent-rgb), 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    font-size: 18px;
    transition: var(--transition-smooth);
}

.contact-detail-text h4 {
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-detail-text p {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 4px;
}

/* 表单卡片 */
.contact-form-card {
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 24px;
    padding: 32px 36px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
    transition: border-color 0.4s ease;
}

@media (max-width: 576px) {
    .contact-form-card {
        padding: 24px 18px;
    }
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

@media (max-width: 576px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

.form-group {
    position: relative;
    margin-bottom: 24px;
}

.form-input {
    width: 100%;
    display: block;
    background-color: #f8fafc;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    padding: 11px 15px;
    font-family: var(--font-body);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.form-input:focus {
    background-color: #ffffff;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.12);
}

.form-label {
    position: absolute;
    top: 11px;
    left: 15px;
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--text-secondary);
    pointer-events: none;
    transition: all 0.25s ease;
}

/* 浮动标签逻辑 */
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
    top: -20px;
    left: 2px;
    font-size: 11px;
    font-weight: 600;
    color: var(--accent-color);
    letter-spacing: 0.5px;
}

/* 清理 Chrome 浏览器默认的自动填充底色 */
.form-input:-webkit-autofill,
.form-input:-webkit-autofill:hover,
.form-input:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--text-primary) !important;
    -webkit-box-shadow: 0 0 0px 1000px #ffffff inset !important;
    transition: background-color 5000s ease-in-out 0s;
}

/* 移除多余的第二条底线 */
.form-bar {
    display: none;
}

textarea.form-input {
    min-height: 95px;
    resize: none;
    display: block;
}

/* ==========================================================================
   页脚区 (Footer Section)
   ========================================================================== */
footer {
    background-color: #f1f5f9;
    padding: 25px 0;
    border-top: 1px solid var(--glass-border);
    transition: border-color 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.footer-layout {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-copy {
    font-size: 13px;
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-color);
}