/* ==========================================================================
   蜂鸟互动 (Hummingbird) - 全局样式表
   
   目录:
   1. 字体与全局变量
   2. 基础重置与全局样式
   3. 顶部导航栏 (Header)
   4. 通用组件 (Hero, Intro, Slider等)
   5. Funcar 页面专属
   6. 智能出行页面专属 (原行业案例)
   7. AI 搜寻页面专属
   8. 低空飞行页面专属 (含模拟培训、物流平台)
   9. 关于我们与联系我们
   10. 底部导航栏 (Footer)
   11. 动画与特效 (Keyframes)
   12. 全局响应式设计 (Media Queries)
   ========================================================================== */

/* ========================================= */
/* 1. 字体与全局变量                         */
/* ========================================= */
@font-face {
    font-family: 'ConthraxSb';
    src: url('./fonts/ConthraxSb.ttf') format('truetype');
    font-weight: bold; 
    font-style: normal;
    font-display: swap; 
}

:root {
    --bg-color: #050505; 
    --bg-light: #f9f9f9;
    --text-main: #ffffff;
    --text-muted: #444444; 
    --text-bright: #e0e0e0;
    --text-dark-main: #111111;
    --text-dark-muted: #666666;
    --accent-color: #2979ff; 
    --gray-block: #1a1a1a;
    --border-color: #333333; 
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ========================================= */
/* 2. 基础重置与全局样式                     */
/* ========================================= */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background-color: var(--bg-color); color: var(--text-main); font-family: var(--font-family); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: var(--text-main); transition: color 0.3s ease; }
a:hover { color: var(--accent-color); }
ul { list-style: none; }

.section-padding { padding: 80px 5%; max-width: 1400px; margin: 0 auto; }
.section-title { text-align: center; margin-bottom: 60px; }
.section-title h2 { font-size: 36px; margin: 10px 0; letter-spacing: 2px; }
.section-title p { color: #888; font-size: 14px; }

/* 修正占位图片的默认白底边框 */
img[src*="./images/"] { background-color: transparent !important; border: none !important; }
img[src*="./images/"]:after { display: none !important; }

/* 防闪烁国际化过渡 */
html.lang-loading [data-i18n] { visibility: hidden; opacity: 0; }[data-i18n] { transition: opacity 0.3s ease; }

/* ========================================= */
/* 3. 顶部导航栏 (Header)                    */
/* ========================================= */
.header { position: fixed; top: 0; width: 100%; height: 80px; display: flex; justify-content: space-between; align-items: center; padding: 0 5%; background-color: var(--bg-color); border-bottom: 1px solid var(--border-color); z-index: 1000; }
.logo { flex: 1; display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: bold; }
.logo-img { width: 30px; height: 30px; object-fit: contain; }

.nav-links { flex: 2; display: flex; justify-content: center; gap: 30px; align-items: center; }
.nav-item { position: relative; display: flex; align-items: center; cursor: pointer; height: 80px; }
.nav-link { display: flex; align-items: center; gap: 4px; font-size: 14px; color: #888; height: 100%; white-space: nowrap; }
.nav-link.active, .nav-link:hover { color: var(--text-main); }
.nav-link svg { transition: transform 0.3s; }
.nav-item:hover .nav-link svg { transform: rotate(180deg); }

.nav-dropdown-menu { position: absolute; top: 80px; left: 50%; transform: translateX(-50%); background-color: #111; border: 1px solid var(--border-color); border-top: none; border-radius: 0 0 4px 4px; display: flex; flex-direction: column; min-width: 140px; opacity: 0; visibility: hidden; transition: all 0.3s ease; }
.nav-dropdown-menu.show { opacity: 1; visibility: visible; }
.nav-dropdown-menu a { padding: 12px 20px; color: #888; text-align: center; font-size: 13px; border-bottom: 1px solid #222; }
.nav-dropdown-menu a:last-child { border-bottom: none; }
.nav-dropdown-menu a:hover { background-color: #222; color: var(--text-main); }

.header-right { flex: 1; display: flex; justify-content: flex-end; align-items: center; gap: 20px; }
.lang-switcher { position: relative; cursor: pointer; display: flex; align-items: center;}
.globe-icon { color: #888; transition: color 0.3s; background: none; border: none; padding: 0; display: flex; align-items: center; justify-content: center;}
.globe-icon svg { width: 22px !important; height: 22px !important; flex-shrink: 0; }
.globe-icon:hover { color: var(--text-main); }
.lang-dropdown { position: absolute; top: 40px; right: 0; background-color: #111; border: 1px solid var(--border-color); border-radius: 4px; overflow: hidden; display: none; min-width: 100px; }
.lang-dropdown.show { display: block; }
.lang-option { padding: 12px 20px; font-size: 14px; color: #888; text-align: center; }
.lang-option:hover { background-color: #222; color: var(--text-main); }
.menu-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.menu-toggle span { width: 25px; height: 2px; background-color: var(--text-main); }

/* ========================================= */
/* 4. 通用组件 (Hero, Intro, Slider等)       */
/* ========================================= */

/* --- 通用 Hero 模块 --- */
.hero { position: relative; z-index: 1; height: 100vh; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; padding-top: 40px; overflow: hidden; }
img.hero-bg-img { position: absolute !important; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: -1; }
.hero-content h4 { font-weight: 300; letter-spacing: 1px; margin-top: -40px; margin-bottom: 100px; color: rgba(255, 255, 255, 0.8); }
.hero-content h2 { font-size: 44px; letter-spacing: 5px; margin-bottom: 0px; font-weight: 300; }
.hero-content h1 { font-size: 120px; letter-spacing: 5px; font-weight: 400; margin-top: -5px; margin-bottom: 10px; line-height: 1; }
.hero-content h3 { font-size: 26px; letter-spacing: 5px; margin-bottom: 100px; font-weight: 300; }
.hero-desc, .hero-desc-en { font-size: 16px; color: #ffffff; }

/* --- 简介文字区 --- */
.intro { text-align: center; color: var(--text-bright); letter-spacing: 1px; width: 100%; padding: 100px 5%; margin: 0 auto; box-sizing: border-box; }
.intro p { margin-bottom: 12px; line-height: 1.8; white-space: nowrap; font-size: min(1.1vw, 16px); }

/* --- 首页轮播图 (全宽极致平铺) --- */
.slider-container {
    position: relative !important;
    width: 100vw !important;
    max-width: 100vw !important;
    left: 50% !important;
    right: auto !important;
    transform: translateX(-50%) !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    border-radius: 0 !important;
    overflow: hidden !important;
    margin-top: 40px !important; 
    margin-bottom: 40px !important;
}
.slider-wrapper {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    width: 100% !important;
    height: 100% !important;
}
.slider-wrapper > * {
    flex: 0 0 100% !important;
    width: 100% !important;
    height: 100% !important;
    display: block !important;
    box-sizing: border-box !important;
}
.slide-img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* --- 企业风采 (全宽大图) --- */
.corp-profile { width: 100%; background-color: var(--bg-color); padding: 0; }
.corp-full-img-wrapper { width: 100%; height: auto; border-radius: 0; overflow: hidden; margin: 0; }
.full-width-img { width: 100%; height: 100%; object-fit: cover; display: block; border-radius: 0; }

/* ========================================= */
/* 5. Funcar 页面专属                        */
/* ========================================= */
.dark-section-wrapper { background-color: var(--bg-color); color: var(--text-main); }
.fc-hero { position: relative; z-index: 1; height: 100vh; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; padding-top: 80px; overflow: hidden; }
img.funcar-hero-img { position: absolute !important; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: -1; opacity: 0.5; }

/* 动态视频背景适配 */
video.funcar-hero-video { position: absolute !important; top: 0; left: 0; width: 100%; height: 100vh; object-fit: cover; z-index: -1; opacity: 0.5; pointer-events: none; }

.fc-hero-content h1 { font-size: 30px; font-weight: 400; margin-bottom: 10px; letter-spacing: 2px; }
.fc-hero-content h2 { font-size: 50px; font-weight: 700; margin-bottom: 20px; letter-spacing: 4px; }
.fc-price { font-size: 36px; margin-bottom: 30px; font-weight: 600; }
.fc-hero-content p { color: #aaa; margin-bottom: 50px; font-size: 16px; }

.fc-btn-group { display: flex; gap: 20px; justify-content: center; }
.btn-outline { border: 1px solid rgba(255,255,255,0.6); padding: 12px 35px; border-radius: 30px; color: #fff; font-size: 14px; transition: 0.3s; }
.btn-outline:hover { background-color: #fff; color: #000; }
.btn-solid { background-color: var(--accent-color); color: #fff; padding: 12px 40px; border-radius: 30px; font-size: 15px; font-weight: bold; transition: 0.3s; display: inline-block; }
.btn-solid:hover { background-color: #1e60d9; transform: translateY(-2px); box-shadow: 0 5px 15px rgba(41, 121, 255, 0.4); color: #fff;}

/* 配件与硬件区 (极致还原苹果风) */
.fc-section-title { text-align: center; margin-bottom: 60px; }
.acc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-bottom: 80px; }
.acc-card { background-color: #111 !important; border-radius: 30px !important; padding: 0 !important; display: flex; gap: 20px; align-items: stretch; overflow: hidden; }
.acc-img-placeholder { flex: 1.2 !important; background-color: transparent !important; border-radius: 30px 0 0 30px !important; display: flex; align-items: center; justify-content: center; padding: 0 !important; overflow: hidden; }
.acc-img-placeholder img { width: 100%; height: 100%; object-fit: cover; object-position: left center; display: block; }
.acc-info { flex: 1; display: flex; flex-direction: column; justify-content: center; padding: 40px 40px 40px 10px; }
.acc-info h3 { font-size: 24px !important; font-weight: bold; margin-bottom: 10px; }
.acc-desc { color: #888; font-size: 14px; margin-bottom: 25px; }

/* 双列网格对齐清单 */
.acc-grid-list { display: grid; grid-template-columns: 1fr 1fr; gap: 15px 30px; margin-bottom: 30px; }
.ag-item { display: flex; justify-content: space-between; font-size: 14px; color: #ccc; font-weight: 500; }
.acc-price { font-size: 32px !important; font-weight: bold; margin-bottom: 25px !important; margin-top: auto; }

/* 购买按钮 */
.btn-buy-yellow { background-color: #1e60d9; color: #111 !important; width: 100%; display: block; text-align: center; padding: 16px 0; border-radius: 40px; font-size: 16px; font-weight: bold; transition: 0.3s; }
.btn-buy-yellow:hover { background-color: #1e60d9; transform: translateY(-2px); box-shadow: 0 5px 20px rgba(207, 255, 4, 0.3); }

/* 下方硬件 6 格样式 */
.hardware-section h3 { text-align: center; font-size: 24px; margin-bottom: 40px; }
.hardware-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; margin-top: 50px; }
.hw-item { text-align: center; }
.hw-icon { 
    height: auto !important; 
    aspect-ratio: 1 / 1; 
    background-color: #f5f5f5 !important; 
    border-radius: 24px !important; 
    margin-bottom: 15px !important; 
    padding: 5px !important; /* 【修改1】把原来的 20px 改成了 5px，大幅缩小了白边留白 */
    display: flex; 
    align-items: center; 
    justify-content: center; 
    transition: transform 0.3s ease; 
}
.hw-icon:hover { transform: translateY(-5px); }
.hw-icon img { 
    width: 95% !important;  /* 【修改2】把原来的 85% 改成了 95%，让图片内容撑得更大 */
    height: 95% !important; /* 【修改3】同上 */
    object-fit: contain; 
}
.hw-item h5 { font-size: 16px !important; color: #fff !important; font-weight: 500; }
.hw-item p { display: none !important; }

/* 生态模块区 (大白框) */
.light-section-wrapper { background-color: #f2f3f5; color: var(--text-dark-main); padding-top: 40px;}
.fc-quote { text-align: center; padding: 100px 5% !important; }
.fc-quote h2 { font-size: 28px; font-weight: 400; color: #444; margin-bottom: 10px; }
.fc-quote h1 { font-size: 42px; font-weight: 700; margin-bottom: 30px; }
.fc-quote p { color: var(--text-dark-muted); font-size: 16px; line-height: 1.8; }

.fc-light-title { text-align: center; margin-bottom: 40px; }
.fc-light-title h2 { font-size: 32px; margin-bottom: 10px; }
.fc-light-title h3 { font-size: 26px; margin-bottom: 15px; }
.fc-light-title p { color: var(--text-dark-muted); font-size: 14px; max-width: 800px; margin: 0 auto; }

.eco-box { background-color: #ffffff; border-radius: 40px; padding: 60px 50px; box-shadow: 0 15px 50px rgba(0,0,0,0.04); margin: 0 auto 60px auto; max-width: 1300px; }
.en-subtitle { display: block; font-size: 14px; color: #999; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 8px; font-weight: 500; }

/* 交互 Tab */
.tab-pills { display: flex; justify-content: center; gap: 15px; margin-bottom: 40px; flex-wrap: wrap; }
.pill { padding: 10px 30px; border-radius: 30px; background-color: #eee; color: #555; font-size: 14px; cursor: pointer; transition: all 0.3s ease; }
.pill:hover { background-color: #ddd; }
.pill.active { background-color: var(--accent-color); color: #fff; box-shadow: 0 4px 10px rgba(41, 121, 255, 0.3); }

/* 卡片与内部图片 */
.card-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.eco-box .fc-card { background: transparent; padding: 0; box-shadow: none; border-radius: 20px; transition: 0.3s; cursor: pointer; }
.eco-box .fc-card:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,0,0,0.15); }
.eco-box .fc-card-img { height: auto; aspect-ratio: 1 / 1; background-color: #f5f5f5; border-radius: 20px; margin-bottom: 0; overflow: hidden; }
.eco-box .fc-card-img img { width: 100%; height: 100%; object-fit: cover; }

/* 社交等单张大图 */
.eco-box .fc-big-img { height: auto; background: transparent; margin-top: 40px; border-radius: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.06); overflow: hidden; }
.eco-box .fc-big-img img { width: 100%; height: auto; display: block; object-fit: contain; }

/* 场景轮播 - 全宽平铺覆盖 */
.fc-scenes.section-padding { width: 100vw; max-width: none; padding-left: 0; padding-right: 0; margin-left: calc(-50vw + 50%); padding-top: 0 !important; padding-bottom: 0 !important; margin-bottom: 40px; }
.scene-slider-container { width: 100%; overflow: hidden; position: relative; border-radius: 0 !important; }
.scene-slider-wrapper { display: flex; transition: transform 0.5s ease-in-out; }
.scene-slide { min-width: 100%; position: relative; height: 450px !important; }
.scene-slide img { width: 100%; height: 100%; object-fit: cover; }
.scene-slide::after { content: ''; position: absolute; top: 0; left: 0; width: 60%; height: 100%; background: linear-gradient(to right, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%); pointer-events: none; }
.scene-overlay { position: absolute; bottom: 60px !important; left: 5% !important; z-index: 2; color: #fff; text-shadow: 0 2px 10px rgba(0,0,0,0.5); max-width: 600px; text-align: left; }
.scene-overlay h4 { font-size: 32px !important; margin-bottom: 15px !important; letter-spacing: 2px; }
.scene-overlay p { font-size: 16px !important; opacity: 0.9 !important; }
#scene-dots { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 10; margin-top: 0 !important; display: flex; gap: 10px; }
.dot { width: 8px; height: 8px; background-color: rgba(255, 255, 255, 0.4) !important; border-radius: 50%; transition: 0.3s; cursor:pointer;}
.dot.active { background-color: #ffffff !important; width: 25px; border-radius: 4px; }

.fc-cta { text-align: center; padding-top: 60px; padding-bottom: 100px; }
.fc-cta h2 { font-size: 36px; margin-bottom: 15px; }
.fc-cta p { color: #666; font-size: 16px; margin-bottom: 20px; }


/* ========================================= */
/* 6. 智能出行页面专属 (原行业案例 Cases)     */
/* ========================================= */
.cases-hero-bg { width: 100%; margin-top: 0px; }
.cases-hero { position: relative; z-index: 1; width: 100%; height: 100vh; display: flex; flex-direction: column; justify-content: center; overflow: hidden; }
img.cases-hero-img { position: absolute !important; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: -1; opacity: 1; }
.cases-hero-content { max-width: 1400px; width: 100%; margin: 0 auto; padding: 0 5%; text-align: left; }
.cases-hero-content h1 { font-size: 42px; font-weight: 700; line-height: 1.4; margin-bottom: 30px; letter-spacing: 2px; color: var(--text-main); }
.cases-hero-content p { color: #e0e0e0; font-size: 15px; line-height: 1.8; }

.cases-intro { width: 100%; max-width: 1400px; margin: 0 auto; padding-top: 140px; padding-bottom: 80px; padding-left: 5%; padding-right: 5%; text-align: center; color: var(--text-bright); box-sizing: border-box; }
.cases-intro p { margin-bottom: 12px; line-height: 1.8; white-space: nowrap; font-size: min(1.1vw, 16px); }

/* BEYOND REALITY 支柱 */
.cases-pillars { text-align: center; max-width: auto; margin: 0 auto; }
.pillars-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 50px; }
.pillar-item { background-color: #111; padding: 60px 40px; border-radius: 4px; text-align: left; transition: transform 0.3s ease; height: 100%; display: flex; flex-direction: column; justify-content: flex-start; }
.pillar-item:hover { transform: translateY(-5px); background-color: #161616; }
.pillar-num { color: var(--accent-color); font-size: 14px; font-weight: bold; margin-bottom: 20px; text-transform: uppercase; font-family: 'ConthraxSb', Arial, sans-serif; letter-spacing: 1px; }
.pillar-title { font-size: 36px; font-weight: bold; margin-bottom: 20px; color: #fff; line-height: 1.2; }
.pillar-desc { color: #888; font-size: 15px; line-height: 1.8; }

/* 悬浮胶囊导航 */
.cases-tab-nav { display: flex; justify-content: center; gap: 10px; margin: 0 auto 80px auto; position: sticky; top: 100px; background: rgba(20, 20, 20, 0.85); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); z-index: 900; padding: 10px 15px !important; border-radius: 50px; width: fit-content; box-shadow: 0 10px 40px rgba(0,0,0,0.6); border: 1px solid rgba(255,255,255,0.1); }
.tab-btn { background: transparent; border: none; color: #888; font-size: 15px; font-weight: 600; cursor: pointer; padding: 10px 24px; border-radius: 30px; transition: all 0.3s ease; }
.tab-btn:hover { color: #fff; background: rgba(255,255,255,0.05); }
.tab-btn.active { background: var(--accent-color); color: #fff; box-shadow: 0 4px 15px rgba(41, 121, 255, 0.3); }
.tab-btn.active::after { display: none !important; }

/* 案例分类交替背景与排版 */
.cases-content { max-width: 100% !important; padding: 0 !important; }
.case-section { scroll-margin-top: 160px; padding: 100px 0 !important; margin-bottom: 0 !important; }
.case-section:nth-child(even) { background-color: #ffffff !important; border-top: 1px solid #eeeeee !important; border-bottom: 1px solid #eeeeee !important; }

/* 白底模式下文字反转色 */
.case-section:nth-child(even) .pane-header h2 { color: #111111 !important; }
.case-section:nth-child(even) .pane-header p { color: #666666 !important; }
.case-section:nth-child(even) .project-item h3 { color: #111111 !important; }
.case-section:nth-child(even) .project-item p { color: #555555 !important; }
.case-section:nth-child(even) .project-item { border-bottom-color: #eeeeee !important; }
.case-section:nth-child(even) .pj-img { box-shadow: 0 15px 40px rgba(0,0,0,0.08) !important; }

/* 案例列表宽度重塑 */
.pane-header, .project-list { max-width: 1400px; margin: 0 auto; padding: 0 5%; }
.pane-header { text-align: center; margin-bottom: 100px; }
.pane-header h2 { font-size: 68px !important; font-weight: 700; letter-spacing: 4px; margin-bottom: 0px; color: #fff; }
.pane-header p { color: #888; font-size: 14px !important; line-height: 1.8; max-width: 800px; margin: -10px auto 0; }
.pane-header::after { content: ''; display: block; width: 60px; height: 3px; background-color: var(--accent-color); margin: 10px auto 0; }

.project-item { margin-bottom: 100px !important; padding-bottom: 100px !important; border-bottom: 1px solid #1a1a1a; }
.project-item:last-child { border-bottom: none; margin-bottom: 0 !important; padding-bottom: 0 !important; }
.project-item h3 { font-size: 28px !important; font-weight: 600; margin-bottom: 15px; color: #e0e0e0; }

/* 案例文字和图片同宽对齐 */
.project-item p { 
    color: #aaa; font-size: 16px !important; margin-bottom: 40px; line-height: 1.9; 
    max-width: 100% !important; text-align: justify !important; margin-left: 0 !important; margin-right: 0 !important; 
}
.project-imgs { display: block; width: 100%; margin-top: 30px; }

/* 图片与视频统一适配 (高度 500px) */
.pj-img { height: 500px !important; border-radius: 16px; overflow: hidden; position: relative; background-color: transparent !important; box-shadow: 0 20px 50px rgba(0,0,0,0.3) !important; }
.pj-img img, .pj-img video { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.5s ease; }
.pj-img:hover img, .pj-img:hover video { transform: scale(1.02); }

.stats-grid { display: flex; justify-content: center; gap: 80px; text-align: center; }
.stat-num { font-size: 50px; color: var(--accent-color); font-weight: bold; margin-bottom: 5px; }
.stat-label { font-size: 15px; color: #888; }

/* 首页截取的左右交替 Case Row */
.cases-container { display: flex; flex-direction: column; gap: 80px; }
.case-row { display: flex; align-items: center; gap: 60px; }
.case-row.reverse { flex-direction: row-reverse; }
.case-text { flex: 1; }
.case-img-wrapper { flex: 1; height: 400px; border-radius: 8px; overflow: hidden; }
.case-img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.4s ease; background: transparent !important;}
.case-img-wrapper:hover .case-img { transform: scale(1.05); }
.case-num { font-size: 16px; color: #888; letter-spacing: 2px; margin-bottom: 10px;  }
.case-text h3 { font-size: 32px; margin-bottom: 20px; }
.case-text p { color: #888; margin-bottom: 30px; font-size: 15px; }
.case-list li { position: relative; padding-left: 20px; margin-bottom: 15px; font-size: 14px; color: var(--text-bright); }
.case-list li::before { content: ''; position: absolute; left: 0; top: 6px; width: 8px; height: 8px; background-color: var(--accent-color); border-radius: 50%; }
.align-right { text-align: right; }
.align-right .case-list li { padding-left: 0; padding-right: 20px; }
.align-right .case-list li::before { left: auto; right: 0; }
.learn-more { display: inline-block; margin-top: 20px; font-size: 14px; border-bottom: 1px solid var(--text-main); padding-bottom: 2px; }

/* 业务领域 */
.scope-business { padding-top: 100px; padding-bottom: 100px; text-align: center; }
.scope-rows-container { display: flex; flex-direction: column; gap: 15px; align-items: center; width: 100%; }

/* 【修改1】将 flex-wrap: nowrap; 改成 flex-wrap: wrap; 允许屏幕不够宽时自动换行 */
.scope-row { display: flex; justify-content: center; gap: 40px; width: 100%; flex-wrap: wrap; }

.scope-text { font-size: 30px; font-weight: 500; color: var(--text-muted); cursor: default; transition: all 0.4s ease; white-space: nowrap; }
.scope-text:hover { color: var(--accent-color); text-shadow: 0 0 15px rgba(41, 121, 255, 0.6); transform: scale(1.1); }
.scope-text.more { font-size: 30px; font-weight: bold; letter-spacing: 2px; }

.partner-group { margin-bottom: 50px; text-align: center; }
.partner-group h3 { font-size: 20px; font-weight: 400; color: var(--text-main); margin-bottom: 10px; letter-spacing: 1px; }
.partner-img { width: 100%; height: auto; object-fit: contain; display: block; max-width: 1200px; margin: 0 auto; }


/* ========================================= */
/* 7. AI搜寻页面专属                         */
/* ========================================= */
.ais-hero { position: relative; z-index: 1; width: 100%; min-height: 100vh; padding-top: 80px; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; overflow: hidden; }
img.ais-hero-img { position: absolute !important; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: -1; opacity: 1; }
.ais-hero-content { max-width: 1200px; padding: 0 5%; }
.ais-hero-content h1 { font-size: 32px; font-weight: bold; margin-bottom: 10px; letter-spacing: 2px; color: #fff; }
.ais-hero-content h2 { font-size: 56px; font-weight: 700; margin-bottom: 30px; letter-spacing: 6px; color: #fff; }
.ais-hero-content h3 { font-size: 26px; font-weight: 500; margin-bottom: 25px; letter-spacing: 4px; color: #fff; }
.ais-hero-content p { font-size: 16px; color: #aaa; margin-bottom: 50px; letter-spacing: 1px; }

.full-width-white-bg { width: 100vw; position: relative; left: 50%; right: 50%; margin-left: -50vw; margin-right: -50vw; background-color: #ffffff; }
.ais-light-title { text-align: center; max-width: 900px; margin: 0 auto; padding: 0 5%; }
.ais-light-title h2 { font-size: 36px; line-height: 1.5; margin-bottom: 30px; font-weight: bold; color: #111; letter-spacing: 2px; }
.ais-light-title p { font-size: 16px; line-height: 2; color: #666; }

.ais-feature-full { position: relative; width: 100%; height: 700px; display: flex; align-items: center; overflow: hidden; }
.ais-feat-bg { position: absolute !important; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.ais-feature-full:hover .ais-feat-bg { transform: scale(1.05); }
.ais-feature-full::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to right, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 60%); z-index: 2; pointer-events: none; }
.ais-feat-content { position: relative; z-index: 3; max-width: 1400px; width: 100%; margin: 0 auto; padding: 0 5%; text-align: left; pointer-events: none; }
.ais-feat-content h2 { font-size: 42px; line-height: 1.4; margin-bottom: 30px; font-weight: 700; color: #fff; letter-spacing: 2px; }
.ais-feat-content p { font-size: 16px; line-height: 2; margin-bottom: 40px; color: #ddd; max-width: 700px; }
.ais-tags { font-size: 14px; color: #888; letter-spacing: 1px; }

.ais-intro-box { width: 100%; max-width: 1200px; margin: 0 auto; text-align: center; color: #666; padding: 0 5%; }
.ais-intro-box p { margin-bottom: 8px; line-height: 1.8; white-space: nowrap; font-size: min(1.2vw, 16px); }

.ais-syn-cards { display: flex; flex-direction: column; gap: 30px; }
.syn-card { display: flex; background-color: #ffffff; border-radius: 16px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.04); transition: all 0.3s ease; }
.syn-card:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0,0,0,0.08); }
.syn-img { flex: 0 0 35%; background: transparent !important; }
.syn-img img { width: 100%; height: 100%; object-fit: cover; }
.syn-text { flex: 1; padding: 40px 50px; position: relative; color: var(--text-dark-main); }
.syn-text h3 { font-size: 24px; margin-bottom: 10px; }
.syn-text h4 { font-size: 18px; margin-bottom: 20px; color: #444; font-weight: 500; }
.syn-text p { font-size: 14px; color: #777; line-height: 1.8; margin-bottom: 20px; }
.syn-link { position: absolute; bottom: 40px; right: 50px; color: var(--text-dark-main); border-bottom: 1px solid var(--text-dark-main); font-size: 14px; padding-bottom: 2px; }
.syn-link:hover { color: var(--accent-color); border-color: var(--accent-color); }

.ais-store-card { display: flex; background-color: #ffffff; border-radius: 20px; overflow: hidden; box-shadow: 0 10px 40px rgba(0,0,0,0.05); transition: all 0.3s ease; }
.ais-store-card:hover { transform: translateY(-5px); box-shadow: 0 20px 50px rgba(0,0,0,0.1); }
.store-img { flex: 0 0 45%; min-height: 350px; background: transparent !important; }
.store-img img { width: 100%; height: 100%; object-fit: cover; }
.store-info { flex: 1; padding: 60px; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.store-title-wrap { display: flex; align-items: center; gap: 15px; margin-bottom: 15px; }
.store-title-wrap h3 { font-size: 32px; color: #111; }
.store-tag { background-color: var(--accent-color); color: #fff; padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: bold; }
.store-desc { font-size: 16px; color: #666; margin-bottom: 30px; }
.store-price { font-size: 40px; color: #111; font-weight: bold; margin-bottom: 10px; }

/* ========================================= */
/* 8. 低空飞行页面专属 (含模拟培训)          */
/* ========================================= */
.ft-subject-section { border-top: 1px solid #1a1a1a; }
.ft-theory-stack { display: flex; flex-direction: column; gap: 40px; max-width: 1400px; margin: 0 auto; }
.ft-theory-card { position: relative; height: 400px; border-radius: 16px; overflow: hidden; background-color: #111; display: flex; flex-direction: column; justify-content: flex-end; padding: 40px; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
img.ft-theory-bg { position: absolute !important; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; opacity: 0.6; transition: transform 0.6s ease; }
.ft-theory-card:hover img.ft-theory-bg { transform: scale(1.05); opacity: 1; }
.ft-theory-content { position: relative; z-index: 2; text-align: left; }
.ft-theory-content h3 { font-size: 32px; color: #fff; margin-bottom: 15px; font-weight: bold; }
.ft-theory-content p { font-size: 15px; color: #e0e0e0; line-height: 1.6; max-width: 900px; }

.ft-practice-card { background-color: #111; border: 1px solid #222; border-radius: 24px; padding: 60px; margin-bottom: 60px; }
.ft-card-header { text-align: center; margin-bottom: 40px; }
.ft-card-header h3 { font-size: 32px; margin-bottom: 10px; color: #fff; }
.ft-card-header p { font-size: 14px; color: #888; }
.ft-steps-box { background-color: rgba(255, 255, 255, 0.05); border-radius: 12px; padding: 40px; margin-bottom: 30px; border: 1px solid rgba(255, 255, 255, 0.05); transition: transform 0.3s ease; }
.ft-steps-box:hover { transform: translateY(-5px); background-color: rgba(255, 255, 255, 0.08); }
.ft-steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; }
.ft-step-num { color: var(--accent-color); font-size: 14px; font-weight: bold; margin-bottom: 15px; font-family: monospace; letter-spacing: 1px; text-transform: uppercase;}
.ft-step h4 { font-size: 20px; color: #fff; margin-bottom: 10px; }
.ft-step p { font-size: 13px; color: #aaa; line-height: 1.6; }
.ft-card-img { width: 100%; height: 500px; border-radius: 12px; overflow: hidden; background-color: transparent !important; margin-top: 30px; }
.ft-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.ft-card-img:hover img { transform: scale(1.05); }

.ft-mode-cards { display: flex; flex-direction: column; gap: 30px; max-width: 1200px; margin: 0 auto; }
.ft-mode-card-lr { display: flex; align-items: center; background-color: #111; border-radius: 20px; overflow: hidden; transition: transform 0.3s ease; }
.ft-mode-card-lr:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.ft-mode-img-lr { flex: 0 0 50%; height: 400px; overflow: hidden; position: relative; }
.img-placeholder-gray { width: 100%; height: 100%; background-color: #1a1a1a; border-right: 1px solid #222; transition: transform 0.4s ease; }
.ft-mode-img-lr img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.ft-mode-img-lr:hover .img-placeholder-gray, .ft-mode-img-lr:hover img { transform: scale(1.05); }
.ft-mode-text-lr { flex: 1; padding: 60px; text-align: left; }
.ft-mode-text-lr h3 { font-size: 32px; color: #fff; margin-bottom: 15px; }
.ft-mode-text-lr h4 { font-size: 16px; color: #aaa; font-weight: normal; margin-bottom: 25px; }
.ft-mode-text-lr p { font-size: 15px; color: #888; line-height: 1.8; margin-bottom: 0; }

.special-project-list { display: flex; flex-direction: column; gap: 60px; }
.special-card { background-color: #0d0d0d; border: 1px solid #1a1a1a; border-radius: 20px; padding: 60px; text-align: center; scroll-margin-top: 180px; }
.special-card h3 { font-size: 32px; color: #fff; margin-bottom: 20px; }
.special-card p { font-size: 15px; color: #aaa; max-width: 900px; margin: 0 auto 30px; line-height: 1.8; }
.special-tags-line { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; width: 100%; margin-top: 0; margin-bottom: 30px; }
.sp-tag { display: inline-block; font-size: 13px; padding: 6px 20px; border-radius: 30px; background-color: #222; color: #888; border: 1px solid transparent; cursor: default; transition: all 0.3s ease; }
.sp-tag:hover { background-color: var(--accent-color); color: #fff; transform: translateY(-2px); box-shadow: 0 4px 10px rgba(41, 121, 255, 0.3); }
.sp-dot { display: none !important; }
.project-item .special-tags-line { background-color: transparent; border: none; }
.sp-images-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.sp-img-box { height: 350px; background-color: #1a1a1a; border-radius: 12px; overflow: hidden; position: relative; }
.sp-img-box .img-placeholder-gray { width: 100%; height: 100%; background-color: #1a1a1a; transition: transform 0.4s ease; }
.sp-img-box img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.sp-img-box:hover .img-placeholder-gray, .sp-img-box:hover img { transform: scale(1.05); }

/* 物流平台专属 */
.fl-light-intro { text-align: center; max-width: 900px; margin: 0 auto; padding: 0 5%; }
.fl-light-intro h2 { font-size: 36px; line-height: 1.5; margin-bottom: 20px; font-weight: bold; color: #111; letter-spacing: 2px; }
.fl-light-intro p { font-size: 16px; line-height: 2; color: #666; }
.fl-dual-core { display: flex; gap: 10px; justify-content: center; max-width: 1700px; margin: 0 auto; }
.fl-core-card { flex: 1; background-color: #111; background-size: cover; background-position: center; background-repeat: no-repeat; border-radius: 0; padding: 60px 50px; border: none; text-align: left; display: flex; flex-direction: column; align-items: flex-start; transition: transform 0.3s ease, box-shadow 0.3s ease; height: 450px; }
.fl-core-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
.fl-tag { display: inline-block; background-color: var(--accent-color); color: #fff; padding: 6px 18px; border-radius: 20px; font-size: 12px; font-weight: bold; }
.fl-core-card h3 { font-size: 36px; margin-bottom: 20px; color: #fff; font-weight: bold; margin-top: auto; }
.fl-core-card p { font-size: 15px; color: #ccc; line-height: 1.8; }

.fl-network-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; max-width: 1700px; margin: 0 auto; }
.fl-network-card { background-color: #111; background-size: cover; background-position: center; background-repeat: no-repeat; border-radius: 0; padding: 50px 40px; border: none; position: relative; transition: transform 0.3s ease, box-shadow 0.3s ease; display: flex; flex-direction: column; text-align: left; align-items: flex-start; min-height: 420px; }
.fl-network-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
.fl-network-card h3 { font-size: 28px; color: #fff; margin-bottom: 15px; font-weight: bold; }
.fl-network-card h4 { font-size: 14px; color: var(--accent-color); margin-bottom: 25px; font-weight: normal; }
.fl-network-card p { font-size: 14px; color: #ccc; line-height: 1.8; margin-bottom: 40px; }
.fl-apply { font-size: 12px; color: #aaa; border-top: none; padding-top: 0; margin-top: auto; }

.fl-sys-wrapper { max-width: 1000px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.fl-sys-row-2 { display: flex; gap: 10px; }
.fl-sys-card-dark { background-color: #111111; border: none; border-radius: 0; padding: 50px 30px; text-align: center; flex: 1; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.fl-sys-card-dark:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,0,0,0.6); background-color: #161616; }
.fl-sys-card-dark h3 { font-size: 24px; color: #ffffff; margin-bottom: 15px; font-weight: bold; letter-spacing: 1px; }
.fl-sys-card-dark p { font-size: 15px; color: #888888; letter-spacing: 1px; }
.fl-sys-card-dark.blue-card-dark { background-color: rgba(41, 121, 255, 0.05); border: none; }
.fl-sys-card-dark.blue-card-dark h3 { color: var(--accent-color); }
.fl-sys-card-dark.blue-card-dark:hover { box-shadow: 0 10px 30px rgba(41, 121, 255, 0.15); }

.fl-process-wrapper { display: flex; justify-content: center; gap: 80px; max-width: 1200px; margin: 0 auto; }
.process-col { flex: 1; }
.p-title { font-size: 28px; color: var(--accent-color); margin-bottom: 40px; text-align: center; }
.p-list li { margin-bottom: 30px; text-align: center; }
.p-list h4 { font-size: 18px; color: #fff; margin-bottom: 10px; }
.p-list p { font-size: 14px; color: #888; }
.process-divider { width: 1px; background-color: #333; }
.fl-loop-grid { display: flex; justify-content: center; gap: 80px; }
.loop-item { text-align: center; }
.loop-item h3 { font-size: 24px; color: var(--accent-color); margin-bottom: 10px; font-weight: bold; }
.loop-item p { font-size: 14px; color: #fff; }

/* ========================================= */
/* 9. 关于我们与联系我们                     */
/* ========================================= */

/* 关于我们无缝平铺相接区域 */
.corp-gallery { width: 100%; display: flex; flex-direction: column; }
.corp-img-row { width: 100%; height: auto; overflow: hidden; position: relative; line-height: 0; }
.corp-img-row img { width: 100%; height: 100%; object-fit: cover; display: block; }
.corp-img-row img:not([src]), .corp-img-row img[src=""] { background-color: #111 !important; border-bottom: 1px solid #222 !important; }

/* ==========================================================================
   联系我们页面 - 专属半高 Hero (视觉同“加入我们”，标签完全独立)
   ========================================================================== */

/* 1. 控制高度，不再是全屏 100vh，而是清爽的 450px */
.hero-contact-half { 
    height: 450px !important; 
    min-height: auto !important; 
}

/* 2. 主标题：大字号 + 粗体 */
.hc-title { 
    font-size: 56px !important; 
    font-weight: 700 !important; 
    color: #fff !important; 
    margin-bottom: 20 !important; 
    margin-top: 0 !important;
    letter-spacing: 4px; 
    line-height: 1.2;
}



/* 4. 副标题：小字号 + 浅灰色 */
.hc-subtitle { 
    font-size: 18px !important; 
    color: #cccccc !important; 
    margin-top: 0 !important; 
    margin-bottom: 0 !important;
    letter-spacing: 1px; 
    font-weight: normal !important;
}

/* 5. 手机与平板端响应式适配 */
@media (max-width: 768px) {
    .hero-contact-half { height: 300px !important; }
    .hc-title { font-size: 36px !important; letter-spacing: 2px; }
    .hc-subtitle { font-size: 15px !important; padding: 0 20px; }
    .hc-divider { margin: 15px auto; }
}

.contact-block-title { text-align: center; margin-bottom: 50px; }
.title-bar { display: none; }
.contact-block-title h2 { font-size: 36px; color: #fff; font-weight: bold; margin: 0; letter-spacing: 2px; }

.global-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.global-card { background-color: #111; border-radius: 4px; overflow: hidden; transition: transform 0.3s ease; }
.global-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
.g-img { height: 220px; width: 100%; background-color: #222; position: relative; }
.g-img img { width: 100%; height: 100%; object-fit: cover; }
.g-info { padding: 30px; text-align: left; }
.g-info h3 { font-size: 20px; color: #fff; margin-bottom: 10px; font-weight: bold; }
.g-info h4 { font-size: 14px; color: var(--accent-color); margin-bottom: 20px; font-weight: normal; }
.g-info p { font-size: 14px; color: #888; line-height: 1.6; }

.biz-container { background-color: #111; border-radius: 4px; padding: 80px; display: flex; justify-content: space-between; align-items: center; }
.biz-info { text-align: left; }
.biz-group { margin-bottom: 40px; }
.biz-group:last-child { margin-bottom: 0; }
.biz-label { display: block; font-size: 14px; color: #666; margin-bottom: 10px; }
.biz-name { font-size: 36px; color: #fff; font-weight: bold; }
.biz-email { font-size: 32px; color: #fff; font-weight: bold; font-family: Arial, sans-serif; }
.underline-deco { width: 100%; height: 3px; background-color: var(--accent-color); margin-top: 5px; }

.biz-qr { text-align: center; background-color: #fff; padding: 20px; border-radius: 8px; }
.biz-qr img { width: 150px; height: 150px; display: block; margin-bottom: 10px; }
.biz-qr p { color: #333; font-size: 12px; font-weight: bold; }

.social-grid { display: flex; flex-direction: column; align-items: center; gap: 20px; }
/* ==========================================================================
   社交媒体模块 - 鼠标悬浮显示二维码特效
   ========================================================================== */

.social-grid { display: flex; flex-direction: column; align-items: center; gap: 20px; }

.social-item { 
    position: relative; /* 【关键】必须加上 relative，二维码才能根据它来定位 */
    display: flex; 
    align-items: center; 
    background-color: #111; 
    padding: 20px 40px; 
    border-radius: 8px; 
    width: 100%; 
    max-width: 350px; 
    gap: 20px; 
    transition: transform 0.3s, background-color 0.3s, border-color 0.3s; 
    border: 1px solid #222; 
    cursor: pointer; /* 鼠标放上去变成小手，暗示可以交互 */
}

.social-item:hover { 
    background-color: #161616; 
    border-color: #333; 
}

.social-icon { width: 40px; height: 40px; flex-shrink: 0; }
.social-icon img { width: 100%; height: 100%; object-fit: contain; }
.social-text { text-align: left; }
.social-text h4 { color: #fff; font-size: 16px; margin-bottom: 2px; }
.social-text p { color: #888; font-size: 13px; margin: 0; }

/* --- 【新增】二维码默认隐藏弹窗 --- */
.social-qr {
    position: absolute;
    bottom: 100%; /* 定位在卡片的正上方 */
    left: 50%;
    transform: translate(-50%, 10px); /* 默认往下偏一点 */
    width: 150px;
    height: 150px;
    background-color: #fff;
    padding: 10px;
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94); /* 丝滑弹出的曲线 */
    z-index: 10;
    pointer-events: none; /* 防止鼠标误触导致弹窗闪烁 */
}

/* 弹窗底部的小三角指示器 */
.social-qr::after {
    content: '';
    position: absolute;
    top: 100%; /* 在白框的正下方 */
    left: 50%;
    transform: translateX(-50%);
    border-width: 8px;
    border-style: solid;
    border-color: #fff transparent transparent transparent; /* 画一个向下的白色小三角 */
}

.social-qr img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* --- 【新增】鼠标悬浮时，二维码浮现 --- */
.social-item:hover .social-qr {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -15px); /* 向上浮出 */
}

.social-icon { width: 40px; height: 40px; flex-shrink: 0; }
.social-icon img { width: 100%; height: 100%; object-fit: contain; }
.social-text { text-align: left; }
.social-text h4 { color: #fff; font-size: 16px; margin-bottom: 2px; }
.social-text p { color: #888; font-size: 13px; margin: 0; }

/* ========================================= */
/* 10. 底部导航栏 (Footer)                   */
/* ========================================= */
.footer { border-top: 1px solid var(--border-color); padding: 80px 5%; background-color: var(--bg-color); color: var(--text-main); }
.footer-container { display: flex; justify-content: space-between; max-width: 1400px; margin: 0 auto; gap: 80px; }
.footer-left { flex: 0 0 100px; }
.footer-logo img { height: 50px !important; width: auto !important; object-fit: contain; opacity: 1 !important; background: transparent !important; border: none !important; }
.footer-nav { flex: 1; display: flex; justify-content: space-between; }
.f-col h4 { font-size: 16px; margin-bottom: 25px; color: var(--text-main); font-weight: 600; }
.f-col h4 a { color: var(--text-main); transition: 0.3s; }
.f-col h4 a:hover { color: var(--accent-color); }
.f-links a, .f-col.contact-col .f-links span { display: block; color: #888; font-size: 14px; margin-bottom: 12px; line-height: 1.4; cursor: pointer; transition: 0.3s; }
.f-links a:hover { color: var(--accent-color); }

/* ========================================= */
/* 11. 动画与特效 (Keyframes)                */
/* ========================================= */
@keyframes tabFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.tab-panel { animation: tabFadeIn 0.4s ease-in-out; }

/* ========================================= */
/* 12. 全局响应式设计 (Media Queries)        */
/* ========================================= */

@media (min-width: 1201px) {
    .slider-container { height: 600px !important; }
    .pj-img { height: 500px !important; }
}

@media (max-width: 1200px) {
    /* 导航栏汉堡菜单 */
    .nav-links { display: none; position: fixed; top: 80px; left: 0; width: 100%; background-color: var(--bg-color); flex-direction: column; align-items: stretch; padding: 0; gap: 0; z-index: 999; border-bottom: 1px solid var(--border-color); max-height: calc(100vh - 80px); overflow-y: auto; }
    .nav-links.nav-active { display: flex; }
    .menu-toggle { display: flex; }
    .nav-item { display: flex; flex-direction: row; align-items: baseline; justify-content: flex-start; height: auto; width: 100%; padding: 20px 5%; border-bottom: 1px solid #222; gap: 20px; }
    .nav-link { font-size: 16px; font-weight: bold; color: #fff; width: 150px; flex-shrink: 0; padding: 0; }
    .nav-link svg { display: none; } 
    .nav-dropdown-menu { position: static; display: flex !important; flex-direction: row; flex-wrap: wrap; gap: 15px; opacity: 1; visibility: visible; background: transparent; border: none; transform: none; padding: 0; margin: 0; flex: 1; }
    .nav-dropdown-menu a { padding: 0; font-size: 14px; color: #888; border: none; text-align: left; }

    /* 通用组件 */
    .hero-content h1 { font-size: 40px; }
    .hero-content h2 { font-size: 24px; }
    .hero-content h3 { font-size: 18px; }
    .slider-container { height: 400px !important; margin-top: 20px !important; }
    .corp-full-img-wrapper { height: 300px; }
    .scope-row { gap: 10px; }
    .scope-text { font-size: 3vw; }
    .scope-text.more { font-size: 20px; }
    
    /* 首页与智能出行 (Cases) */
    .cases-hero { height: 50vh; }
    .cases-hero-content h1 { font-size: 32px; }
    .case-row, .case-row.reverse { flex-direction: column; }
    .case-img-wrapper { width: 100%; height: 250px; }
    .case-text, .case-text.align-right { text-align: left !important; width: 100%; }
    .case-text h5, .case-text h3, .case-text p, .case-list { text-align: left !important; }
    .case-list li { padding-left: 20px !important; padding-right: 0 !important; text-align: left !important; }
    .case-list li::before { left: 0 !important; right: auto !important; }
    .pillars-grid { grid-template-columns: 1fr; gap: 20px; }
    .pillar-item { padding: 40px 30px; }
    .pillar-title { font-size: 28px; }
    .cases-tab-nav { flex-wrap: wrap; justify-content: center; gap: 15px 25px; padding: 15px 5%; height: auto; }
    .pj-img { height: 250px; } 
    .stats-grid { flex-direction: column; gap: 40px; }

    
   

    /* 低空飞行 */
    .ft-theory-card { height: 300px; padding: 25px; }
    .ft-theory-content h3 { font-size: 24px; }
    .ft-practice-card { padding: 30px 20px; }
    .ft-steps-box { padding: 20px; }
    .ft-steps-grid { grid-template-columns: 1fr; gap: 30px; }
    .ft-card-img { height: 250px; }
    .ft-mode-card-lr { flex-direction: column; }
    .ft-mode-img-lr { width: 100%; height: 250px; }
    .ft-mode-text-lr { padding: 30px; text-align: center; }
    .special-card { padding: 30px 20px; }
    .special-card h3 { font-size: 26px; }
    .sp-images-3 { grid-template-columns: 1fr; }
    .sp-img-box { height: 250px; }
    .special-tags-line { font-size: 13px; margin-bottom: 15px; }
    
    .fl-dual-core { flex-direction: column; }
    .fl-core-card { height: auto; text-align: left; padding: 40px 30px; }
    .fl-core-card h3 { margin-top: 40px; }
    .fl-network-grid { grid-template-columns: 1fr; }
    .fl-network-card { min-height: auto; padding: 40px 30px; }
    .fl-sys-row-2 { flex-direction: column; }
    .fl-sys-card-dark { padding: 30px 20px; }
    .fl-process-wrapper { flex-direction: column; gap: 40px; }
    .process-divider { display: none; }
    .fl-loop-grid { flex-direction: column; gap: 40px; }

    /* 联系我们 */
    .hc-main { font-size: 50px; }
    .hc-we-are { font-size: 24px; }
    .hc-sub { font-size: 18px; margin-bottom: 120px; }
    .hc-top { margin-bottom: 60px; }
    .global-grid { grid-template-columns: 1fr; }
    .contact-block-title h2 { font-size: 28px; }
    .biz-container { flex-direction: column; padding: 40px 30px; gap: 40px; align-items: center; text-align: center; }
    .biz-info { text-align: center; }
    .biz-qr { align-self: center; }
    .biz-name { font-size: 28px; }
    .biz-email { font-size: 20px; word-break: break-all; } 
    .social-item { max-width: 100%; }

    /* AI搜寻 */
    .ais-hero { height: auto; min-height: 70vh; padding-top: 120px; padding-bottom: 60px; }
    .ais-hero-content h1 { font-size: 24px; }
    .ais-hero-content h2 { font-size: 36px; }
    .ais-hero-content h3 { font-size: 20px; }
    .ais-light-title h2 { font-size: 28px; }
    .ais-feature-full { height: 600px; }
    .ais-feat-content h2 { font-size: 32px; }
    .ais-feat-content p { font-size: 15px; }
    .syn-card { flex-direction: column; }
    .syn-img { height: 200px; }
    .syn-text { padding: 30px; }
    .syn-link { position: static; display: inline-block; margin-top: 10px; }
    .ais-store-card { flex-direction: column; }
    .store-img { height: 250px; min-height: auto; }
    .store-info { padding: 40px 30px; }
    .store-title-wrap { flex-direction: column; align-items: flex-start; gap: 10px; }
    .store-title-wrap h3 { font-size: 24px; }
    .store-price { font-size: 32px; }
    .ais-intro-box { text-align: justify; padding: 0; }
    .ais-intro-box p { display: inline; white-space: normal; font-size: 15px; margin: 0; }
    
    /* Footer 手机端竖向极简排版 */
    .footer { padding: 40px 5%; }
    .footer-container { flex-direction: column; gap: 30px; } /* gap控制Logo与下方文字的间距 */
    
    /* 顶部 Logo 取消底边框，消除下方多余的空隙 */
    .footer-left { 
        display: block; 
        margin-bottom: 0; 
        padding-bottom: 0; 
        border-bottom: none; /* 去掉Logo下面的横线 */
        width: 100%; 
    }
    
    /* 导航列整体变为竖向排列，调整大块之间的间距 */
    .footer-nav { 
        flex-direction: column; 
        gap: 30px; /* 大标题模块之间的间距 */
    }
    
    /* 每一列(包含加入我们)改为上下排列，去掉底部边框 */
    .f-col, .footer-nav > div { 
        display: flex; 
        flex-direction: column; 
        align-items: flex-start; 
        border-bottom: none; /* 去掉所有横线 */
        padding: 0; 
        gap: 12px; /* 大标题和小标题之间的间距 */
    }
    
    /* 大标题恢复自然宽度，保持白字 */
    .f-col h4, .footer-nav > div > h4 { 
        width: auto; /* 取消原来的100px固定宽度 */
        margin-bottom: 0; 
        font-size: 16px; 
        font-weight: 600; 
        color: #fff;
    }
    
    /* 下方子链接竖向排列 */
    .f-links { 
        display: flex; 
        flex-direction: column; 
        gap: 10px; /* 多个小标题之间的间距 */
        width: 100%; 
    }
    
    .f-links a { 
        display: block; 
        margin-bottom: 0; 
        color: #888; 
        font-size: 14px; 
    }
    
    /* 联系我们同样保持垂直排版，清理原有的多余留白 */
    .f-col.contact-col { 
        padding-top: 0; 
    }
    .f-col.contact-col h4 { margin-bottom: 0; }
    .f-col.contact-col .f-links { flex-direction: column; gap: 10px; }
    .f-col.contact-col .f-links span { margin-bottom: 0; color: #888; font-size: 14px; }
}

@media (max-width: 1024px) {
    .nav-links { gap: 15px; }
    .hero-content h1 { font-size: 50px; }
    .case-row { gap: 30px; }
    .case-img-wrapper { height: 300px; }
    .scope-text { font-size: 24px; gap: 20px; }
    .intro { text-align: justify; padding: 40px 10% !important; margin-bottom: 20px; }
    .intro p { display: inline; white-space: normal; font-size: 15px; margin: 0; line-height: 1.8; color: #ddd; }
    .cases-intro { padding-top: 60px; padding-bottom: 40px; padding-left: 10%; padding-right: 10%; text-align: justify; }
    .cases-intro p { display: inline; white-space: normal; font-size: 15px; margin: 0; color: #ddd; }
    
    /* Funcar 配件卡片水平压缩版 */
    .acc-card { flex-direction: row !important; gap: 15px !important; padding: 15px !important; }
    .acc-img-placeholder { flex: 1 !important; min-height: 150px !important; border-radius: 15px !important; }
    .acc-info { padding: 10px 10px 10px 0 !important; }
    .acc-info h3 { font-size: 16px !important; margin-bottom: 5px !important; }
    .acc-desc { font-size: 12px !important; margin-bottom: 10px !important; }
    .acc-grid-list { gap: 5px 15px !important; margin-bottom: 15px !important; }
    .ag-item { font-size: 12px !important; }
    .acc-price { font-size: 20px !important; margin-bottom: 10px !important; }
    .btn-buy-yellow { padding: 10px 0 !important; font-size: 14px !important; }
    
    .card-grid-3 { grid-template-columns: repeat(3, 1fr); }
    .hardware-grid { grid-template-columns: repeat(3, 1fr); justify-content: center; }
}

@media (max-width: 768px) {
    .slider-container { height: 250px !important; margin-top: 10px !important; margin-bottom: 20px !important; }
    .hc-content { transform: translateY(-40px); }
    .hc-main { font-size: 40px; }
    .corp-img-row { height: auto; }
    
    /* 案例手机端导航变成两行药丸状 */
    .cases-tab-nav { width: 90%; border-radius: 20px; flex-wrap: wrap; gap: 8px; padding: 15px !important; top: 80px; }
    .tab-btn { padding: 8px 16px; font-size: 13px; }
    .pane-header h2 { font-size: 32px !important; }
    .pane-header p { font-size: 15px !important; }
    .project-item h3 { font-size: 22px !important; }
    .pj-img { height: 200px !important; box-shadow: 0 10px 30px rgba(0,0,0,0.2) !important; }
    .case-section { padding: 60px 0 !important; }

    .scope-business { padding-top: 50px; padding-bottom: 50px; } /* 手机端减小上下留白 */
    .scope-row { gap: 15px; } /* 手机端减小词语之间的间距 */
    .scope-text { font-size: 16px; } /* 手机端缩小字体，防止被挤出屏幕 */
    .scope-text.more { font-size: 18px; } /* MORE也相应缩小 */

    .fc-hero-content h2 {
        font-size: 28px !important;     /* 【修改1】手机端字号缩小到 28px */
        white-space: nowrap !important;  /* 【修改2】强制文本不换行 */
        letter-spacing: 2px !important;  /* 【修改3】字间距稍微缩窄一点，更容易排开 */
        margin-bottom: 15px !important;
    }
    
    /* 顺便微调一下主标题 Funcar 的大小，让整体比例更好看 */
    .fc-hero-content h1 {
        font-size: 22px !important;
        margin-bottom: 8px !important;
    }
    /* 1. 修复 “更是你的移动智慧空间” 强制一行并缩小字号 */
    .fc-quote h1 {
        font-size: 30px !important;      /* 从 42px 缩到 24px */
        white-space: nowrap !important;  /* 强制不换行 */
        letter-spacing: 1px !important;
    }
    .fc-quote h2 {
        font-size: 18px !important;      /* 副标题也相应缩小 */
    }

    /* 2. 修复 “准备好体验Funcar了吗？” 强制一行并缩小字号 */
    .fc-cta h2 {
        font-size: 30px !important;      /* 从 36px 缩到 22px */
        white-space: nowrap !important;  /* 强制不换行 */
        letter-spacing: 1px !important;
    }

    /* 3. 修复轮播图手机端比例，防止高宽失调被强行拉伸 */
    .scene-slide {
        height: auto !important;         /* 【关键】取消电脑端写死的 450px 高度 */
        aspect-ratio: 16 / 9;            /* 【关键】强制维持 16:9 宽屏黄金比例 */
    }
    .scene-slide img {
        height: 100% !important;
        object-fit: cover !important;    /* 填充 16:9 区域，画面不挤压、不缩水、不准变形 */
    }

     /* ---- 1. Hero 文字与排版微调 ---- */
    .cases-hero-content h1 {
        font-size: 28px !important;
        line-height: 1.3 !important;
    }
    .cases-hero-content p {
        font-size: 14px !important;
        line-height: 1.6 !important;
    }

    /* ---- 2. 实操飞行与科目图片防挤压 ---- */
    .ft-img-single {
        width: 100% !important;
        height: 200px !important;       /* 统一单张大图高度为 200px */
        border-radius: 12px !important;
        overflow: hidden !important;
        margin-top: 15px !important;
    }
    .ft-img-single img {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
    }

    .ft-card-img {
        height: 200px !important;
    }
    .ft-card-img img {
        object-fit: cover !important;
    }

    /* ---- 3. 自由飞行/竞速赛道的左右图文卡片适配 ---- */
    .ft-mode-card-lr {
        flex-direction: column !important; /* 左右卡片手机端还是上下排版观感最好 */
    }
    .ft-mode-img-lr {
        flex: 0 0 100% !important;
        width: 100% !important;
        height: 200px !important;
    }
    .ft-mode-text-lr {
        padding: 30px 20px !important;
    }

    /* ---- 4. 【修改】专项应用培训（3张竖图并排缩放） ---- */
    .sp-images-3, .ft-img-grid {
        display: grid !important;
        grid-template-columns: repeat(3, 1fr) !important; /* 【关键1】在手机上依然保持 3 列并排 */
        gap: 8px !important; /* 【关键2】将间距缩窄到 8px，防止小屏幕挤压 */
        margin-top: 20px !important;
    }
    
    /* 竖图盒子采用固定纵横比，高度随宽度自适应 */
    .sp-img-box, .ft-img-grid .ft-img-single {
        height: auto !important;          /* 取消固定的高度 */
        aspect-ratio: 1 / 1.1 !important; /* 【关键3】锁定纵横比（略微偏竖的黄金比例），防止拉伸 */
        border-radius: 12px !important;   /* 完美保留大圆角 */
        overflow: hidden !important;
        margin-top: 0 !important;
    }
    .sp-img-box img, .ft-img-grid .ft-img-single img {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;     /* 铺满盒子，防拉伸变形 */
    }

    /* 专项培训卡片内边距微调 */
    .special-card {
        padding: 30px 15px !important;
    }
    .special-card h3 {
        font-size: 24px !important;
    }

     /* ---- 1. Hero 标题与副标题适配 ---- */
    .cases-hero-content h1 {
        font-size: 28px !important;
        line-height: 1.3 !important;
    }
    .cases-hero-content p {
        font-size: 14px !important;
        line-height: 1.6 !important;
    }

    /* ---- 2. “填补专业缺口”文字缩小与高度微调 ---- */
    .fl-light-intro h2 {
        font-size: 30px !important;      /* 电脑端是 36px */
        line-height: 1.4 !important;
        margin-bottom: 15px !important;
    }
    .fl-light-intro p {
        font-size: 13px !important;      /* 电脑端是 16px */
        line-height: 1.6 !important;
    }
    .light-section-wrapper {
        padding: 50px 0 !important;      /* 手机端上下留白缩短一半 */
    }

    /* ---- 3. 【核心】标准化服务流程强制保持左右结构 ---- */
    .fl-process-wrapper {
        display: flex !important;
        flex-direction: row !important;  /* 【关键】强行命令手机端也必须左右并排 */
        gap: 15px !important;            /* 将原本 80px 的超大空隙极度压缩至 15px */
        padding: 0 5px !important;       /* 给边缘留出呼吸空间 */
    }
    .process-col {
        flex: 1 !important;              /* 两侧各占 50% 的空间 */
    }
    .p-title {
        font-size: 15px !important;      /* 大标题从 28px 缩减到 15px 确保装下 */
        margin-bottom: 25px !important;
    }
    .p-list li {
        margin-bottom: 15px !important;  /* 缩小垂直列表间的距离 */
    }
    .p-list h4 {
        font-size: 12px !important;      /* 标题字号从 18px 降到 12px */
        margin-bottom: 5px !important;
        line-height: 1.3 !important;
    }
    .p-list p {
        font-size: 10px !important;      /* 描述文字从 14px 降到 10px */
        line-height: 1.3 !important;
    }
    .process-divider {
        width: 1px !important;
        background-color: #222 !important; /* 保持中间的分隔线正常显示 */
    }

    /* ---- 4. 安全保护（如果你的代码中还未对两栏和三栏业务卡片进行手机端折行，这里进行保底） ---- */
    .fl-dual-core, .fl-network-grid {
        flex-direction: column !important;
        grid-template-columns: 1fr !important;
        gap: 15px !important;
    }
    .fl-core-card, .fl-network-card {
        height: auto !important;
        min-height: 280px !important;
        padding: 40px 25px !important;
    }
    .fl-core-card h3, .fl-network-card h3 {
        font-size: 24px !important;
    }

    /* ---- 5. 修复手机端 Hero 内容贴顶、被导航栏遮挡的问题 ---- */
    .cases-hero-content {
        margin-top: 60px !important; /* 【关键】在手机端把标题整体往下推 60px，空出舒适的安全距离 */
    }



}

@media (max-width: 480px) {
    .hero-content h1 { font-size: 32px; letter-spacing: 2px; }
    .hero-content h2 { font-size: 18px; letter-spacing: 2px; }
    .hc-main { font-size: 32px; letter-spacing: 2px; }
    .hc-we-are { font-size: 18px; letter-spacing: 2px; }
}


/* ========================================================= */
/* 修复：Funcar 配件卡片防挤压与手机端“上图下字”完美适配        */
/* ========================================================= */

/* 1. 在平板和普通笔记本上 (1200px以下)，直接变为一行一个卡片，彻底解决横向挤压 */
@media (max-width: 1200px) {
    .acc-grid { 
        grid-template-columns: 1fr !important; 
        gap: 40px !important; 
    }
}

/* 2. 在手机屏幕上 (768px以下)，卡片内部变成“上图、下字”的垂直堆叠 */
@media (max-width: 768px) {
    .acc-card { 
        flex-direction: column !important; 
        padding: 0 !important;
        gap: 0 !important;
    }
    
    /* 图片区放在上方，撑满整个宽度 */
    .acc-img-placeholder { 
        flex: none !important;
        width: 100% !important; 
        height: 300px !important; 
        border-radius: 30px 30px 0 0 !important; /* 圆角改为上方 */
    }
    
    .acc-img-placeholder img {
        object-position: center center !important; /* 手机端恢复居中显示 */
    }

    
    /* 文字内容区放在下方 */
    .acc-info { 
        flex: none !important;
        width: 100% !important;
        padding: 30px 25px !important; 
    }
}



/* ==========================================================================
   模拟培训页面专属独立样式 (Namespace: .ft-*)
   彻底与其它页面解耦，包含黑白交替背景与专属卡片排版
   ========================================================================== */

/* 1. 外层包裹与全宽背景交替 */
.ft-page { width: 100%; padding: 0; }
.ft-section { padding: 120px 0; width: 100%; }

/* 黑色大背景块 */
.ft-dark-bg { background-color: #0a0a0a; color: #fff; }
/* 白色大背景块 */
.ft-light-bg { background-color: #ffffff; color: #111; border-top: 1px solid #eee; border-bottom: 1px solid #eee;}

/* 内部内容居中限制 */
.ft-container { max-width: 1400px; margin: 0 auto; padding: 0 5%; }

/* 2. 大标题区 (Pane Header 风格) */
.ft-header { text-align: center; margin-bottom: 100px; }
.ft-header h2 { font-size: 68px; font-weight: 700; letter-spacing: 4px; margin-bottom: 0; color: inherit; }
.ft-header p { font-size: 16px; line-height: 1.8; color: #888; max-width: 800px; margin: -10px auto 0; }
.ft-light-bg .ft-header p { color: #666; }
.ft-header::after { content: ''; display: block; width: 60px; height: 3px; background-color: var(--accent-color); margin: 20px auto 0; }

/* 3. 案例单项大框架 */
.ft-item { margin-bottom: 100px; padding-bottom: 100px; border-bottom: 1px solid #222; }
.ft-light-bg .ft-item { border-bottom: 1px solid #eee; }
.ft-item:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }

/* 案例子标题与描述 */
.ft-item h3 { font-size: 28px; font-weight: 600; margin-bottom: 15px; color: inherit; }
.ft-item > p { font-size: 16px; line-height: 1.9; color: #aaa; text-align: justify; margin-bottom: 30px; max-width: 100%; }
.ft-light-bg .ft-item > p { color: #555; }

/* 4. 单张大图组件 (带悬浮阴影) */
.ft-img-single { height: 500px; border-radius: 16px; overflow: hidden; position: relative; box-shadow: 0 20px 50px rgba(0,0,0,0.4); }
.ft-light-bg .ft-img-single { box-shadow: 0 15px 40px rgba(0,0,0,0.08); } /* 白底阴影变浅 */
.ft-img-single img, .ft-img-single video { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; display: block; }
.ft-img-single:hover img, .ft-img-single:hover video { transform: scale(1.02); }

/* 5. 中间夹杂的 3 个步骤块 (Steps) */
.ft-steps-wrap { 
    display: grid; 
    grid-template-columns: repeat(3, 1fr); 
    gap: 30px; 
    background: rgba(255,255,255,0.03); 
    padding: 40px; 
    border-radius: 16px; 
    margin-bottom: 40px; 
    border: 1px solid rgba(255,255,255,0.05); 
}
.ft-step-num { display: block; color: var(--accent-color); font-size: 14px; font-weight: bold; margin-bottom: 10px; text-transform: uppercase; font-family: monospace; letter-spacing: 1px; }
.ft-step h4 { font-size: 20px; color: #fff; margin-bottom: 10px; }
.ft-step p { font-size: 14px; color: #888; line-height: 1.6; }

/* 白底模式下步骤块变色 */
.ft-light-bg .ft-steps-wrap { background: #f9f9f9; border-color: #eee; }
.ft-light-bg .ft-step h4 { color: #111; }
.ft-light-bg .ft-step p { color: #666; }

/* 6. 中间夹杂的标签行 (Tags) */
.ft-tags-wrap { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.ft-tag { padding: 6px 20px; border-radius: 30px; font-size: 13px; background: #f2f3f5; color: #555; transition: 0.3s; border: 1px solid transparent; cursor: default; }
.ft-tag:hover { background: var(--accent-color); color: #fff; transform: translateY(-2px); box-shadow: 0 4px 10px rgba(41, 121, 255, 0.3); }

/* 7. 底部 3 张图并排网格 */
.ft-img-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.ft-img-grid .ft-img-single { height: 350px; } /* 3张图时高度变矮一点 */

/* 8. 手机与平板端适配 */
@media (max-width: 1024px) {
    .ft-header h2 { font-size: 48px; }
    .ft-steps-wrap { grid-template-columns: 1fr; gap: 20px; padding: 20px; }

    .ft-img-grid .ft-img-single { height: 250px; }
  
}

@media (max-width: 768px) {
    .ft-section { padding: 80px 0; }
    .ft-header h2 { font-size: 32px; }

    .ft-item { margin-bottom: 60px; padding-bottom: 60px; }
}


/* ==========================================================================
   模拟培训页面 - 居中排版与极致层级优化 (修正间距与小标题)
   ========================================================================== */

/* 1. 调整二级分类小标题 (科目一、科目二等) */
.ft-sub-header {
    margin: 100px 0 50px 0 !important; /* 缩小过大的上下间距，保持适度留白 */
    text-align: center;     
}

.ft-sub-header h3 {
    font-size: 40px !important; /* 略微收紧字号 */
    font-weight: 700;
    letter-spacing: 4px;
    margin: 0;
    color: inherit;
    display: inline-block;
    position: relative;
}

/* 蓝色的装饰短线 */
.ft-sub-header h3::after {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 4px;
    background-color: var(--accent-color);
}

/* 2. 三级卡片小标题 (光伏清洗、360自旋、理论知识等) 全部居中 */
.ft-item h3 {
    text-align: center !important;
    font-size: 28px !important;
    font-weight: 600 !important;
    margin-bottom: 15px !important; /* 让它贴近正文，建立强烈的组群关系 */
    color: inherit !important;
    letter-spacing: 1px;
}

/* 移除以前为了临时效果加的 strong 旧代码覆盖 */
.ft-item > p strong {
    display: inline !important;
    font-size: inherit !important;
    color: inherit !important;
    font-weight: bold !important;
    margin: 0 !important;
    text-align: left !important;
    letter-spacing: normal !important;
}

/* 3. 正文段落全面居中，限制阅读宽度，缩小底部间距 */
.ft-item > p {
    text-align: center !important;  
    max-width: 1000px !important;   
    margin: 0 auto 30px auto !important; /* 从 50px 减小到 30px，增加与下方的包裹感 */
    font-size: 16px !important;
    line-height: 1.8 !important;
}

/* 4. 3个步骤块往中间收拢，减小内边距与外边距 */
.ft-steps-wrap {
    padding: 40px !important;            /* 缩小内边距 */
    margin: 0 auto 40px auto !important; /* 缩小外边距 */
    max-width: 1200px !important;   
}

.ft-step { text-align: center !important; }
.ft-step-num { font-size: 16px !important; margin-bottom: 10px !important; }
.ft-step h4 { font-size: 22px !important; margin-bottom: 15px !important; }

/* 5. 专项培训里的“小标签”也强制居中对齐，收紧间距 */
.ft-tags-wrap {
    justify-content: center !important; 
    margin: 0 auto 30px auto !important; /* 从 50px 减小到 30px */
    max-width: 1000px !important;
}

/* 6. 手机端与平板端视觉压缩适配 */
@media (max-width: 768px) {
    .ft-sub-header { margin: 60px 0 40px 0 !important; }
    .ft-sub-header h3 { font-size: 28px !important; }
    .ft-sub-header h3::after { bottom: -12px; height: 3px; }
    
    .ft-item h3 { font-size: 22px !important; margin-bottom: 10px !important; }
    .ft-item > p { font-size: 15px !important; margin-bottom: 25px !important; padding: 0 10px !important; }
    
    .ft-steps-wrap { padding: 25px 15px !important; margin-bottom: 30px !important; }
    .ft-tags-wrap { margin-bottom: 25px !important; }
}


/* ==========================================================================
   加入我们页面专属样式 (Careers)
   ========================================================================== */

/* 1. Hero 区域微调 */
.hero-careers { height: 450px !important; }
.hero-careers h1 { font-size: 56px !important; font-weight: 700 !important; color: #fff; margin-bottom: 0; letter-spacing: 4px; }
.hero-careers .hero-desc { font-size: 18px; color: #ccc; margin-top: 20px; }

/* 2. "我们期待的人才" 专属寄语模块 */
.careers-message { 
    text-align: center; 
    max-width: 900px; 
    margin: 0 auto 100px auto; 
    padding: 60px 5%; 
    background-color: #111; 
    border-radius: 20px; 
    border: 1px solid #222;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}
.careers-message h2 { font-size: 32px; margin-bottom: 25px; color: var(--accent-color); letter-spacing: 4px; }
.careers-message p { font-size: 16px; line-height: 1.9; color: #e0e0e0; margin-bottom: 15px; text-align: justify; }

/* 3. 职位卡片网格布局 */
.jobs-grid { 
    display: grid; 
    grid-template-columns: 1fr 1fr; /* 两列并排展示 */
    gap: 40px; 
    max-width: 1400px; 
    margin: 0 auto; 
    padding: 0 5% 100px 5%; 
}
.job-card { 
    background-color: #111; 
    border-radius: 24px; 
    padding: 50px; 
    border: 1px solid #222; 
    transition: transform 0.3s, box-shadow 0.3s; 
}
.job-card:hover { 
    transform: translateY(-5px); 
    box-shadow: 0 20px 50px rgba(0,0,0,0.4); 
    border-color: #333; 
}

/* 4. 职位卡片内部排版 */
.job-card h3 { 
    font-size: 28px; 
    color: #fff; 
    margin-bottom: 30px; 
    border-bottom: 1px solid #222; 
    padding-bottom: 20px; 
}
.job-card h4 { 
    font-size: 16px; 
    color: var(--accent-color); 
    margin-top: 30px; 
    margin-bottom: 15px; 
    font-weight: 600;
}
.job-list { list-style: none; padding: 0; }
.job-list li { 
    position: relative; 
    padding-left: 20px; 
    margin-bottom: 12px; 
    font-size: 14px; 
    color: #aaa; 
    line-height: 1.7; 
}
.job-list li::before { 
    content: ''; 
    position: absolute; 
    left: 0; 
    top: 8px; 
    width: 6px; 
    height: 6px; 
    background-color: var(--accent-color); 
    border-radius: 50%; 
}

/* 5. 手机与平板端响应式 */
@media (max-width: 1024px) {
    .jobs-grid { grid-template-columns: 1fr; } /* 屏幕变窄时变成一行一个 */
    .job-card { padding: 40px 30px; }
}
@media (max-width: 768px) {
    .hero-careers h1 { font-size: 36px !important; }
    .careers-message { margin: 0 5% 60px 5%; padding: 40px 20px; }
    .careers-message h2 { font-size: 24px; }
    .careers-message p { font-size: 15px; }
    .job-card h3 { font-size: 22px; }
}

/* ==========================================================================
   加入我们页面 - 简历投递 CTA 模块 (双邮箱版)
   ========================================================================== */
.careers-cta {
    text-align: center;
    padding: 0 5% 120px 5%;
    background-color: var(--bg-color); /* 融入黑色背景 */
}
.careers-cta h3 {
    font-size: 32px;
    color: #fff;
    margin-bottom: 15px;
    letter-spacing: 2px;
}
.careers-cta p {
    font-size: 16px;
    color: #888;
    margin-bottom: 50px; /* 增加底部间距 */
}

/* 双邮箱并排容器 */
.cta-emails-wrapper {
    display: flex;
    justify-content: center;
    gap: 60px; /* 两个邮箱之间的间距 */
    flex-wrap: wrap; /* 空间不够时允许换行 */
}
.cta-email-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}
.cta-email-label {
    font-size: 16px;
    color: #fff;
    font-weight: 600;
    letter-spacing: 1px;
}

/* 邮箱按钮设计成发光线框风格，科技感强 */
.cta-email {
    display: inline-block;
    font-size: 22px;
    color: var(--accent-color);
    font-weight: bold;
    padding: 14px 40px;
    border: 2px solid var(--accent-color);
    border-radius: 50px;
    transition: all 0.3s ease;
    font-family: Arial, sans-serif;
}
.cta-email:hover {
    background-color: var(--accent-color);
    color: #fff;
    box-shadow: 0 10px 30px rgba(41, 121, 255, 0.4);
    transform: translateY(-3px);
}

/* 手机端适配：改为上下排列并调整字号 */
@media (max-width: 768px) {
    .careers-cta h3 { font-size: 26px; }
    .cta-emails-wrapper { gap: 40px; flex-direction: column; }
    .cta-email { font-size: 18px; padding: 12px 30px; }
}


/* ==========================================================================
   修复：多语言简介区长文本溢出边界问题
   ========================================================================== */

/* 1. 取消所有简介段落的强制不换行限制，允许长英文/日文自然换行 */
.intro p,
.cases-intro p,
.ais-intro-box p {
    white-space: normal !important; 
}

/* 2. 收拢外层容器的最大宽度，让多行文字排版更紧凑、阅读更舒适 */
.intro,
.cases-intro,
.ais-intro-box {
    max-width: 1200px !important;
    margin-left: auto !important;
    margin-right: auto !important;
}



/* ==========================================================================
   加入我们页面 - 办公地点分隔标题样式
   ========================================================================== */

.office-title-wrap {
    text-align: center;
    margin: 40px 0 40px 0;
    padding: 0 5%;
}

.office-title {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    color: #fff;
    font-weight: 600;
    letter-spacing: 2px;
    padding: 12px 35px;
   
}

/* 蓝色发光点点缀 */
.office-title::before {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--accent-color);
    box-shadow: 0 0 12px var(--accent-color);
}

/* 修正下方网格的底部间距 */
.careers-jobs .jobs-grid:first-of-type {
    padding-bottom: 60px; /* 两地职位之间的间距 */
}

@media (max-width: 768px) {
    .office-title { font-size: 20px; padding: 10px 25px; }
}