/*
Theme Name: TRS Clone Theme
Theme URI: https://www.yourwebsite.com/
Author: Your Name
Author URI: https://www.yourwebsite.com/
Description: A WordPress theme inspired by TRS Group website.
Version: 1.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: trs-clone
*/


/* ============================================================
   0. 全局样式和重置
   ============================================================ */

:root {
    --primary-color: #0056b3;
    --secondary-color: #f8f8f8;
    --text-color: #333;
    --text-light: #666;
    --text-dark: #333;
    --heading-color: #222;
    --light-grey: #f5f5f5;
    --bg-light: #f9f9f9;
    --bg-white: #fff;
    --dark-grey: #666;
    --border-color: #eee;
    --transition-speed: 0.3s;
    --transition-fast: 0.2s;
    --container-max-width: 1400px;
    --header-height: 70px;
    
    /* 添加缺失的绿色主题变量 */
    --green-primary: #00a650; /* 主绿色 */
    --green-dark: #007f3c;    /* 深绿色 */

    --transition: 0.3s ease;  /* 卡片悬停动画速度 */
    --shadow-hover: 0 10px 20px rgba(0, 0, 0, 0.1); /* 卡片悬停阴影 */

}

/* ============================================================
   0. 全局样式和重置
   ============================================================ */

/* :root {
    --primary-color: #0056b3;
    --secondary-color: #f8f8f8;
    --text-color: #333;
    --heading-color: #222;
    --light-grey: #f5f5f5;
    --dark-grey: #666;
    --border-color: #eee;
    --transition-speed: 0.3s;
    --container-max-width: 1400px;
    --header-height: 70px;
} */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Helvetica Neue', Helvetica, 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
    overflow: hidden;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed), opacity var(--transition-speed);
}

a:hover {
    color: #007bff;
    opacity: 0.8;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 10px;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    padding-top: 30px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--heading-color);
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 15px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.section-title p {
    font-size: 18px;
    color: var(--dark-grey);
    max-width: 800px;
    margin: 0 auto;
}

.section-padding {
    padding: 80px 0;
}

.bg-light {
    background-color: var(--light-grey);
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: #fff;
    padding: 12px 25px;
    border-radius: 5px;
    font-size: 16px;
    transition: background-color var(--transition-speed);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #004085;
    color: #fff;
    opacity: 1;
}

.more-link {
    display: block;
    width: fit-content;
    margin: 50px auto 0;
    font-size: 17px;
    color: var(--primary-color);
    font-weight: bold;
    position: relative;
    padding-right: 20px;
}

.more-link::after {
    content: '>>';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    margin-left: 5px;
    transition: transform var(--transition-speed);
}

.more-link:hover::after {
    transform: translateY(-50%) translateX(3px);
}


/* ============================================================
   1. 头部区域
   ============================================================ */

.site-header {
    background-color: #fff;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: all var(--transition-speed) ease-in-out;
}

.site-header.sticky {
    padding: 10px 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-branding .logo img {
    height: 40px;
    width: auto;
}

#main-header nav ul {
    display: flex;
    margin: 0;
    padding: 0;
}

#main-header nav ul li {
    position: relative;
    padding: 0 18px;
}

#main-header nav ul li a {
    display: block;
    padding: 10px 0;
    color: var(--text-color);
    font-weight: 500;
    font-size: 16px;
    transition: color var(--transition-speed);
}

#main-header nav ul li a:hover,
#main-header nav ul li.current-menu-item > a,
#main-header nav ul li.current-page-ancestor > a,
#main-header nav ul li.current-menu-ancestor > a {
    color: var(--primary-color);
}

#main-header nav ul li.menu-item-has-children .sub-menu {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    min-width: 180px;
    padding: 10px 0;
    border-radius: 5px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity var(--transition-speed), visibility var(--transition-speed), transform var(--transition-speed);
    z-index: 999;
}

#main-header nav ul li.menu-item-has-children:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#main-header nav ul li.menu-item-has-children .sub-menu li {
    padding: 0;
}

#main-header nav ul li.menu-item-has-children .sub-menu li a {
    padding: 10px 20px;
    white-space: nowrap;
    font-size: 15px;
    color: var(--dark-grey);
}

#main-header nav ul li.menu-item-has-children .sub-menu li a:hover {
    background-color: var(--light-grey);
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    align-items: center;
    margin-left: 20px;
}

.header-actions .search-icon,
.header-actions .lang-switcher {
    margin-left: 20px;
    font-size: 18px;
    cursor: pointer;
    color: var(--dark-grey);
}

.header-actions .search-icon:hover,
.header-actions .lang-switcher:hover {
    color: var(--primary-color);
}

.menu-toggle {
    display: none;
    width: 30px;
    height: 25px;
    position: relative;
    cursor: pointer;
    margin-left: 20px;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: var(--primary-color);
    border-radius: 5px;
    opacity: 1;
    left: 0;
    transform: rotate(0deg);
    transition: transform var(--transition-speed), opacity var(--transition-speed);
}

.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 11px; }
.menu-toggle span:nth-child(3) { top: 22px; }

.menu-toggle.active span:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
}

/* 优化后的下拉展开菜单代码 */

/* ============================================================
   修复手机端菜单无法展开的问题
   ============================================================ */
@media (max-width: 992px) {

    /* 汉堡按钮显示 */
    .menu-toggle {
        display: block;
        z-index: 2000;
        padding: 10px;
        margin: -10px;
        background: transparent;
        border: none;
        cursor: pointer;
    }

    /* 修正：针对实际的 HTML 结构进行隐藏和定位 */
    #site-navigation {
        position: fixed !important;
        top: 70px !important; /* 你的头部高度设定的是 70px */
        left: 0 !important;
        width: 100% !important;
        max-height: 0; /* 默认高度为0，隐藏 */
        overflow: hidden !important;
        background: #fff !important;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease !important;
        z-index: 1500 !important;
        box-shadow: none !important;
    }

    /* 修正：菜单展开时的状态 */
    #site-navigation.active {
        max-height: 80vh !important; /* 展开高度 */
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15) !important; /* 展开阴影 */
        overflow-y: auto !important; /* 超出可滚动 */
    }

    /* 将水平菜单改为竖排 */
    #site-navigation ul {
        display: flex !important;
        flex-direction: column !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    #site-navigation ul li {
        width: 100% !important;
        border-bottom: 1px solid #f0f0f0 !important;
    }

    #site-navigation ul li a {
        display: block !important;
        padding: 16px 25px !important;
        color: #333 !important;
        font-size: 16px !important;
        font-weight: 500 !important;
    }

    #site-navigation ul li a:hover {
        background-color: #f9f9f9 !important;
        color: #DC2626 !important;
    }
}



/* ============================================================
   2. 英雄轮播区域
   ============================================================ */

#hero-carousel {
    position: relative;
    width: 100%;
    height: 700px;
    overflow: hidden;
    margin-top: var(--header-height);
}

#hero-carousel .carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

#hero-carousel .carousel-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease-in-out, visibility 1s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

#hero-carousel .carousel-item.active {
    opacity: 1;
    visibility: visible;
}

#hero-carousel .poster-image {
    width: 100%;
    height: 100%;
}

#hero-carousel .poster-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

#hero-carousel .poster-text-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    max-width: 800px;
    width: 90%;
    background-color: rgba(0, 0, 0, 0.4);
    padding: 30px 40px;
    border-radius: 10px;
}

#hero-carousel .poster-text-overlay h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: bold;
}

#hero-carousel .poster-text-overlay p {
    font-size: 22px;
    margin-bottom: 30px;
    line-height: 1.5;
}

#hero-carousel .poster-text-overlay .btn {
    padding: 15px 35px;
    font-size: 18px;
    background-color: var(--primary-color);
}

/* 左右切换按钮 */
.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: #fff;
    border: none;
    padding: 15px 20px;
    font-size: 24px;
    cursor: pointer;
    z-index: 10;
    border-radius: 5px;
    transition: background-color var(--transition-speed);
}

.carousel-control:hover {
    background-color: rgba(0, 0, 0, 0.7);
}

.carousel-control.prev { left: 20px; }
.carousel-control.next { right: 20px; }

/* 指示器 */
.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.carousel-indicators .indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.carousel-indicators .indicator.active,
.carousel-indicators .indicator:hover {
    background-color: var(--primary-color);
    transform: scale(1.2);
}

/* ============================================================
   响应式 — 平板 (≤991px)
   ============================================================ */
@media (max-width: 991px) {
    #hero-carousel {
        height: 550px;
    }

    #hero-carousel .poster-text-overlay h1 {
        font-size: 36px;
        margin-bottom: 15px;
    }

    #hero-carousel .poster-text-overlay p {
        font-size: 18px;
        margin-bottom: 25px;
    }

    #hero-carousel .poster-text-overlay .btn {
        padding: 12px 30px;
        font-size: 16px;
    }

    .carousel-control {
        padding: 12px 16px;
        font-size: 20px;
    }

    .carousel-control.prev { left: 12px; }
    .carousel-control.next { right: 12px; }
}

/* ============================================================
   响应式 — 手机 (≤767px)  ★ 重点优化 ★
   ============================================================ */
@media (max-width: 767px) {

    /* —— 轮播高度 —— */
    #hero-carousel {
        height: 420px;            /* 700 → 420，适配手机屏幕比例 */
    }

    /* —— 文字遮罩层 —— */
    #hero-carousel .poster-text-overlay {
        width: 88%;
        padding: 20px 24px;
        border-radius: 8px;
        /* 往上偏移，避免遮住底部指示器 */
        top: 46%;
    }

    #hero-carousel .poster-text-overlay h1 {
        font-size: 24px;          /* 48 → 24，大幅缩减 */
        margin-bottom: 10px;
        line-height: 1.3;
    }

    #hero-carousel .poster-text-overlay p {
        font-size: 14px;          /* 22 → 14 */
        margin-bottom: 18px;
        line-height: 1.6;
    }

    #hero-carousel .poster-text-overlay .btn {
        padding: 10px 24px;
        font-size: 14px;
        /* 按钮加最小宽度，防止文字挤压变形 */
        min-width: 120px;
    }

    /* —— 左右切换按钮 —— */
    .carousel-control {
        padding: 10px 14px;
        font-size: 18px;
        /* 手机端按钮缩小但仍可点击 */
        border-radius: 4px;
    }

    .carousel-control.prev { left: 8px; }
    .carousel-control.next { right: 8px; }

    /* —— 指示器 —— */
    .carousel-indicators {
        bottom: 18px;
        gap: 8px;
    }

    .carousel-indicators .indicator {
        width: 10px;
        height: 10px;
    }

    /* 手机端 active 指示器放大更明显 */
    .carousel-indicators .indicator.active {
        transform: scale(1.3);
    }

    /* 禁用手机端 hover 缩放，避免粘滞 */
    .carousel-indicators .indicator:hover {
        transform: none;
    }
}



/* ============================================================
   响应式 — 小屏手机 (≤375px)
   ============================================================ */
@media (max-width: 375px) {

    #hero-carousel {
        height: 360px;            /* 更紧凑 */
    }

    #hero-carousel .poster-text-overlay {
        width: 90%;
        padding: 16px 18px;
        border-radius: 6px;
    }

    #hero-carousel .poster-text-overlay h1 {
        font-size: 20px;
        margin-bottom: 8px;
    }

    #hero-carousel .poster-text-overlay p {
        font-size: 13px;
        margin-bottom: 14px;
    }

    #hero-carousel .poster-text-overlay .btn {
        padding: 8px 20px;
        font-size: 13px;
        min-width: 100px;
    }

    .carousel-control {
        padding: 8px 10px;
        font-size: 16px;
    }

    .carousel-control.prev { left: 5px; }
    .carousel-control.next { right: 5px; }

    .carousel-indicators {
        bottom: 14px;
        gap: 6px;
    }

    .carousel-indicators .indicator {
        width: 8px;
        height: 8px;
    }
}



/* ============================================================
   公司简介 — 装饰背景 + 视频 + 文字
   ============================================================ */

#about-summary {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
    background-color: #FDFBF7;
    /* min-height: 100vh; */
}

/* 简介 */
#about-summary .container {
    max-width: 1800px;

}

/* 新闻 */
#news-section .container {
    max-width: 1800px;
    
}
#advantages .container {
    max-width: 1800px;
}

#video-center .container {
    max-width: 1800px;
}


#video-center {
    background-color: #f5f5f5;
}
/* ============================================================
   背景装饰层（只在 #about-summary 内生效）
   ============================================================ */

#about-summary .bg-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

/* 左上角大弧形 */
#about-summary .bg-decoration::before {
    content: '';
    position: absolute;
    top: -200px;
    left: -300px;
    width: 800px;
    height: 800px;
    background: radial-gradient(ellipse at center, rgba(255, 182, 193, 0.4) 0%, transparent 70%);
    opacity: 0.5;
    filter: blur(60px);
}

/* 右下角大弧形 */
#about-summary .bg-decoration::after {
    content: '';
    position: absolute;
    bottom: -300px;
    right: -200px;
    width: 900px;
    height: 900px;
    background: radial-gradient(ellipse at center, rgba(230, 190, 255, 0.3) 0%, transparent 70%);
    opacity: 0.4;
    filter: blur(80px);
}

/* 装饰性环形 */
#about-summary .decorative-ring {
    position: absolute;
    border-radius: 50%;
    border: 80px solid transparent;
    background: linear-gradient(135deg,
        rgba(255, 182, 193, 0.3) 0%,
        rgba(255, 218, 225, 0.2) 50%,
        rgba(255, 255, 255, 0.1) 100%);
    filter: blur(2px);
}

#about-summary .decorative-ring.ring-1 {
    width: 500px;
    height: 500px;
    top: 20%;
    right: -150px;
    transform: rotate(-15deg);
    opacity: 0.6;
}

#about-summary .decorative-ring.ring-2 {
    width: 350px;
    height: 350px;
    bottom: 30%;
    left: -100px;
    transform: rotate(10deg);
    opacity: 0.4;
    border-width: 60px;
}

/* 装饰性曲线 */
#about-summary .decorative-curve {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(180deg,
        rgba(255, 250, 245, 0.8) 0%,
        rgba(255, 240, 230, 0.4) 100%);
}

#about-summary .decorative-curve.curve-1 {
    width: 600px;
    height: 400px;
    top: -100px;
    right: 10%;
    transform: rotate(-20deg);
    opacity: 0.5;
    filter: blur(30px);
}

#about-summary .decorative-curve.curve-2 {
    width: 500px;
    height: 300px;
    bottom: -50px;
    left: 5%;
    transform: rotate(15deg);
    opacity: 0.4;
    filter: blur(40px);
}

/* 流动光效 */
#about-summary .floating-light {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle,
        rgba(255, 200, 200, 0.4) 0%,
        transparent 60%);
    border-radius: 50%;
    filter: blur(40px);
    animation: float 8s ease-in-out infinite;
}

#about-summary .floating-light.light-1 {
    top: 15%;
    left: 10%;
    animation-delay: 0s;
}

#about-summary .floating-light.light-2 {
    bottom: 20%;
    right: 15%;
    animation-delay: -3s;
}

#about-summary .floating-light.light-3 {
    top: 60%;
    left: 60%;
    animation-delay: -5s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(30px, -30px) scale(1.1);
    }
}

/* 小圆点装饰 */
#about-summary .dot-decoration {
    position: absolute;
    display: flex;
    flex-direction: column;
    gap: 12px;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
}

#about-summary .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, #DC2626, #FF6B6B);
    opacity: 0.6;
}

#about-summary .dot:nth-child(2) {
    width: 6px;
    height: 6px;
    opacity: 0.4;
}

#about-summary .dot:nth-child(3) {
    width: 10px;
    height: 10px;
    opacity: 0.8;
}


/* ============================================================
   内容层
   ============================================================ */

#about-summary .container {
    position: relative;
    z-index: 1;
}

.about-summary-content {
    display: flex;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
    min-height: 520px;  
}


/* ============================================================
   左侧视频
   ============================================================ */

.about-summary-image {
    flex: 1;
    min-width: 400px;
    height: 520px;                /* 固定高度 */
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    position: relative;
    background-color: #000;
    /* 删除 padding-bottom */
}

/* 按钮正常显示 */
.big-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    /* ... 样式 */
}

/* 添加 .hidden 后按钮消失 */
.big-play-button.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}


.custom-video-player {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #000;
}

.custom-video-player .company-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    cursor: pointer;
}

.big-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 60px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 10;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 0 25px rgba(0, 0, 0, 0.4);
}

.big-play-button:hover {
    background-color: rgba(0, 0, 0, 0.8);
    transform: translate(-50%, -50%) scale(1.05);
}

.big-play-button.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.video-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 100%);
    padding: 10px 15px;
    color: #fff;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 20;
    box-sizing: border-box;
}

.custom-video-player:hover .video-controls,
.custom-video-player.playing .video-controls {
    opacity: 1;
    visibility: visible;
}

.progress-bar-container {
    width: 100%;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    position: relative;
    border-radius: 3px;
    margin-bottom: 10px;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background-color: #DC2626;
    border-radius: 3px;
}

.progress-handle {
    position: absolute;
    top: 50%;
    left: 0%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    background-color: #DC2626;
    border-radius: 50%;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
    display: none;
}

.progress-bar-container:hover .progress-handle {
    display: block;
}

.controls-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.play-pause-btn-small,
.volume-control i,
.fullscreen-btn {
    font-size: 1.5em;
    cursor: pointer;
    color: #fff;
    transition: color 0.2s ease;
}

.play-pause-btn-small:hover,
.volume-control i:hover,
.fullscreen-btn:hover {
    color: #DC2626;
}

.time-display {
    font-size: 0.9em;
    color: #ccc;
    white-space: nowrap;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-grow: 1;
}

.volume-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 80px;
    height: 5px;
    background: rgba(255, 255, 255, 0.3);
    outline: none;
    border-radius: 3px;
    cursor: grab;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #DC2626;
    cursor: grab;
}

.volume-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #DC2626;
    cursor: grab;
}

.fullscreen-btn {
    margin-left: auto;
}


/* ============================================================
   右侧文字
   ============================================================ */

.about-summary-text {
    flex: 1;
    min-width: 400px;
}

.about-summary-text .section-title {
    text-align: left;
    margin-bottom: 30px;
    padding-top: 0;
}

.about-summary-text .section-title h2 {
    font-size: 36px;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.about-summary-text .section-title h2::after {
    left: 0;
    transform: translateX(0);
    background-color: #DC2626;
}

.about-summary-text .section-title p {
    font-size: 16px;
    color: #888;
}

.about-summary-text p {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
    color: #666;
}

.about-summary-text .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 160px;
    height: 48px;
    background-color: #DC2626;
    color: #FFFFFF;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 24px;
    margin-top: 20px;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    cursor: pointer;
}

.about-summary-text .btn:hover {
    background-color: #B91C1C;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(220, 38, 38, 0.3);
    opacity: 1;
}


/* ============================================================
   滚动动画
   ============================================================ */

.about-summary-image {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.about-summary-image.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.about-summary-text {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s ease 0.15s, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.15s;
}

.about-summary-text.is-visible {
    opacity: 1;
    transform: translateX(0);
}


/* ============================================================
   响应式
   ============================================================ */

@media (max-width: 992px) {
    .about-summary-content {
        flex-direction: column;
    }

    .about-summary-image,
    .about-summary-text {
        min-width: unset;
        width: 100%;
    }

    .about-summary-text .section-title {
        text-align: center;
    }

    .about-summary-text .section-title h2::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 767px) {

/* 修复视频容器在移动端的显示 */
    .about-summary-image {
        min-width: unset;
        width: 100%;
        height: 220px;  /* 移动端合适的视频高度 */
        margin-bottom: 30px;
        border-radius: 12px;
        order: 2;
    }
    .about-summary-text {
        /* 新增：设置 order 属性，使其显示在前面 */
        order: 1; /* 文字模块排在第一位 */
        /* 调整底部边距，与视频模块的顶部保持一些距离 */
        margin-bottom: 20px; 
    }
    
    /* 确保视频播放器填满容器 */
    .custom-video-player {
        position: relative;
        width: 100%;
        height: 100%;
    }
    .custom-video-player .company-video {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    /* 调整播放按钮大小 */
    .big-play-button {
        width: 70px;
        height: 70px;
        font-size: 28px;
    }

    #about-summary {
        padding: 50px 0;
    }

    .about-summary-text .section-title h2 {
        font-size: 28px;
    }

    .big-play-button {
        font-size: 40px;
        width: 80px;
        height: 80px;
    }

    .video-controls {
        opacity: 1;
        visibility: visible;
    }

    .volume-control {
        display: none;
    }

        /* 确保 .about-summary-content 在手机端是垂直堆叠的 */
    .about-summary-content {
        flex-direction: column; /* 已经存在，确保它被应用 */
    }


}



    

/* ============================================================
   4. 我们的优势区域
   ============================================================ */
#advantages {
    position: relative;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    padding: 100px 0;
    color: #fff;
    text-align: center;
    transition: background-image 0.5s ease-in-out;
}

/* 背景深色遮罩层 */
#advantages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 10, 10, 0.65);
    z-index: 1;
}

/* 内容层 */
#advantages .container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 标题样式 */
#advantages .section-title h2 {
    color: #ffffff;
    font-size: 38px;
    font-weight: 500;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

#advantages .section-title p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    font-weight: 300;
    margin-bottom: 60px;
}

/* 卡片网格布局 */
.advantages-grid {
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 30px;
}

/* 单个卡片 */
.advantage-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    min-width: 280px;
    max-width: 32%;
    cursor: pointer;
    transition: transform 0.3s ease-in-out;
}

.advantage-item:hover {
    transform: translateY(-8px);
}

/* 圆形Logo容器 */
.advantage-logo-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    box-sizing: border-box;
    transition: all 0.3s ease-in-out;
}

.advantage-logo-circle img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease-in-out;
}

.advantage-item:hover .advantage-logo-circle {
    background-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.4);
}

.advantage-item:hover .advantage-logo-circle img {
    transform: scale(0.95);
}

/* 卡片文字 */
.advantage-info h3 {
    font-size: 2.1rem;
    font-weight: 500;
    margin: 0 0 15px 0;
    letter-spacing: 2px;
    color: #ffffff;
    transition: color 0.3s ease-in-out;
}

.advantage-separator {
    width: 40px;
    height: 2px;
    background-color: #fff;
    margin: 0 auto 20px auto;
    transition: width 0.3s ease-in-out;
}

.advantage-info p {
    font-size: 1.1rem;
    margin: 0;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.9);
    transition: color 0.3s ease-in-out;
}

/* 悬停效果 */
.advantage-item:hover .advantage-info h3 {
    color: #ffcc00;
}
.advantage-item:hover .advantage-separator {
    width: 60px;
}
.advantage-item:hover .advantage-info p {
    color: #fff;
}

/* 入场动画 */
.inner-fade {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.inner-fade.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   响应式 — 平板 (≤991px)
   ============================================================ */
@media (max-width: 991px) {
    .advantages-grid {
        flex-direction: column;
        align-items: center;
        gap: 50px;
    }
    .advantage-item {
        max-width: 360px;
        width: 100%;
    }
}

/* ============================================================
   响应式 — 手机 (≤767px)  ★ 重点优化 ★
   ============================================================ */
@media (max-width: 767px) {

    /* —— 整体区域 —— */
    #advantages {
        padding: 60px 0;           /* 缩小上下留白 */
    }

    #advantages .container {
        padding: 0 20px;           /* 左右留出呼吸空间 */
    }

    /* —— 标题 —— */
    #advantages .section-title h2 {
        font-size: 26px;           /* 30 → 26，更贴合小屏 */
        letter-spacing: 1px;
    }

    #advantages .section-title p {
        font-size: 14px;
        margin-bottom: 35px;
        line-height: 1.6;
        padding: 0 10px;           /* 防止文字贴边 */
    }

    /* —— 卡片网格 —— */
    .advantages-grid {
        gap: 40px;                 /* 50 → 40，更紧凑 */
    }

    .advantage-item {
        max-width: 280px;          /* 控制卡片宽度，居中更有呼吸感 */
        /* 移除 hover 上浮，改用触摸反馈 */
    }

    /* —— 圆形 Logo —— */
    .advantage-logo-circle {
        width: 120px;              /* 130 → 120 */
        height: 120px;
        padding: 16px;
        margin-bottom: 22px;
        border-width: 1.5px;       /* 边框稍细 */
    }

    /* —— 文字内容 —— */
    .advantage-info h3 {
        font-size: 1.5rem;         /* 1.8 → 1.5，小屏更舒适 */
        letter-spacing: 1px;
        margin-bottom: 12px;
    }

    .advantage-separator {
        width: 30px;
        height: 1.5px;
        margin-bottom: 14px;
    }

    .advantage-info p {
        font-size: 0.95rem;        /* 1 → 0.95，精调 */
        line-height: 1.6;
    }

    /* —— 触控反馈（替代 hover）—— */
    /* 用 :active 模拟点击按压效果，比 hover 更适合手机 */
    .advantage-item:active {
        transform: scale(0.97);
        transition: transform 0.1s ease;
    }

    .advantage-item:active .advantage-logo-circle {
        background-color: rgba(255, 255, 255, 0.2);
        box-shadow: 0 0 12px rgba(255, 255, 255, 0.3);
    }

    .advantage-item:active .advantage-info h3 {
        color: #ffcc00;
    }

    .advantage-item:active .advantage-separator {
        width: 45px;
    }

    /* 禁用桌面端 hover 上浮，避免手机端"粘滞"问题 */
    .advantage-item:hover {
        transform: none;
    }
    .advantage-item:hover .advantage-logo-circle {
        background-color: rgba(255, 255, 255, 0.1);
        transform: none;
        box-shadow: none;
    }
    .advantage-item:hover .advantage-logo-circle img {
        transform: none;
    }
    .advantage-item:hover .advantage-info h3 {
        color: #ffffff;
    }
    .advantage-item:hover .advantage-separator {
        width: 30px;
    }
    .advantage-item:hover .advantage-info p {
        color: rgba(255, 255, 255, 0.9);
    }
}

/* ============================================================
   响应式 — 小屏手机 (≤375px)
   ============================================================ */
@media (max-width: 375px) {
    #advantages {
        padding: 50px 0;
    }

    #advantages .section-title h2 {
        font-size: 22px;
    }

    #advantages .section-title p {
        font-size: 13px;
        margin-bottom: 30px;
    }

    .advantages-grid {
        gap: 35px;
    }

    .advantage-item {
        max-width: 240px;
    }

    .advantage-logo-circle {
        width: 100px;
        height: 100px;
        padding: 14px;
        margin-bottom: 18px;
    }

    .advantage-info h3 {
        font-size: 1.3rem;
    }

    .advantage-separator {
        width: 26px;
        margin-bottom: 12px;
    }

    .advantage-info p {
        font-size: 0.9rem;
    }
}


/* ============================================
   优势横幅 - 全宽背景设计
   ============================================ */

.advantages-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-top: 40px;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.5) 100%
    );
    border-radius: 12px;
    padding: 50px 30px;
    backdrop-filter: blur(5px);
}

.advantage-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 30px 20px;
    transition: transform 0.3s ease;
}

/* 悬停效果 */
.advantage-card:hover {
    transform: translateY(-5px);
}

/* 品牌Logo圆形容器 */
.card-logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    padding: 12px;
    box-shadow: 
        0 0 0 3px rgba(255, 255, 255, 0.3),
        0 8px 32px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.advantage-card:hover .card-logo {
    transform: scale(1.05);
    box-shadow: 
        0 0 0 4px rgba(255, 255, 255, 0.5),
        0 12px 40px rgba(0, 0, 0, 0.2);
}

.card-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* 标题 */
.card-title {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 12px 0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    letter-spacing: 1px;
}

/* 装饰分隔线 */
.card-divider {
    width: 40px;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.8),
        transparent
    );
    margin-bottom: 12px;
}

/* 描述文字 */
.card-subtitle {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    line-height: 1.6;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

/* ============================================
   响应式设计
   ============================================ */

@media (max-width: 992px) {
    .advantages-banner {
        flex-direction: column;
        gap: 30px;
        padding: 40px 20px;
        background: linear-gradient(
            to bottom,
            rgba(0, 0, 0, 0.4) 0%,
            rgba(0, 0, 0, 0.6) 100%
        );
    }
    
    .advantage-card {
        width: 100%;
        padding: 25px 15px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .advantage-card:last-child {
        border-bottom: none;
    }
    
    .card-logo {
        width: 70px;
        height: 70px;
    }
    
    .card-title {
        font-size: 22px;
    }
}

@media (max-width: 576px) {
    .advantages-banner {
        padding: 30px 15px;
    }
    
    .card-logo {
        width: 60px;
        height: 60px;
        padding: 10px;
    }
    
    .card-title {
        font-size: 20px;
    }
    
    .card-subtitle {
        font-size: 13px;
    }
}


/* ============================================================
   视频中心 - 现代极简风格（基于原结构优化）
   ============================================================ */

#video-center {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

}

/* 渐变背景层 */
/* #video-center::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        180deg,
        #F8F9FA 0%,
        #FFFFFF 40%,
        #F5F6F8 70%,
        #E8EAED 100%
    );
    z-index: 0;
} */

/* 底部城市轮廓装饰 */
#video-center::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(
        to top,
        rgba(220, 225, 230, 0.2) 0%,
        transparent 100%
    );
    z-index: 0;
}

#video-center .container {
    position: relative;
    z-index: 1;
}

/* ============================================================
   三列网格 - 优化间距
   ============================================================ */

.video-center-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 50px;
}

/* ============================================================
   单个视频卡片 - 极简无边框设计
   ============================================================ */

.video-card {
    background: transparent;
    border-radius: 0;
    overflow: visible;
    box-shadow: none;
    transition: transform 0.3s ease;
    cursor: pointer;
    
}

.video-card:hover {
    transform: translateY(-5px);
}

/* 视频播放区域 */
.video-card-player {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    padding-bottom: 0;
    background: #000;
    overflow: hidden;
}

/* 电影遮幅效果 - 上 */
.video-card-player::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 20%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.6) 0%,
        transparent 100%
    );
    z-index: 2;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* 电影遮幅效果 - 下 */
.video-card-player::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 25%;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.7) 0%,
        transparent 100%
    );
    z-index: 2;
    transition: height 0.3s ease;
}

.video-card:hover .video-card-player::after {
    height: 30%;
}

.center-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.video-card:hover .center-video {
    transform: scale(1.05);
}

/* 播放按钮 - 优化样式 */
.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a1a1a;
    font-size: 24px;
    z-index: 5;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    opacity: 0;
}

.video-card:hover .video-play-btn {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
    background: #fff;
}

.video-play-btn i {
    margin-left: 5px;
    color: #1a1a1a;
}

.video-card-player:hover .video-play-btn {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.25);
}

.video-play-btn.hidden {
    opacity: 0 !important;
    visibility: hidden;
    pointer-events: none;
}

/* 底部信息区 - 居中布局 */
.video-card-info {
    padding: 20px 0 0 0;
    text-align: center;
}

.video-card-info h3 {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 16px;
    font-weight: 500;
    color: #333;
    margin: 0;
    line-height: 1.5;
    transition: color 0.3s ease;
}

.video-card:hover .video-card-info h3 {
    color: #DC2626;
}

/* ============================================================
   了解更多按钮 — 居中
   ============================================================ */

.video-center-grid > .about-summary-text {
    grid-column: 1 / -1;
    text-align: center;
    margin-top: 50px;
}

.video-center-grid > .about-summary-text .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 160px;
    height: 48px;
    background-color: #DC2626;
    color: #FFFFFF;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 24px;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.video-center-grid > .about-summary-text .btn:hover {
    background-color: #B91C1C;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(220, 38, 38, 0.3);
    opacity: 1;
}

/* ============================================================
   滚动动画
   ============================================================ */

.video-card {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease,
                transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.video-card:nth-child(1) { transition-delay: 0s; }
.video-card:nth-child(2) { transition-delay: 0.15s; }
.video-card:nth-child(3) { transition-delay: 0.3s; }

.video-card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   响应式设计
   ============================================================ */

@media (max-width: 992px) {
    .video-center-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .video-card:nth-child(3) {
        grid-column: span 2;
        max-width: 50%;
        margin: 0 auto;
    }
    
    #video-center .section-title h2 {
        font-size: 30px;
    }
}

@media (max-width: 767px) {
    #video-center {
        padding: 60px 0;
    }
    
    .video-center-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .video-card:nth-child(3) {
        grid-column: span 1;
        max-width: 100%;
    }
    
    #video-center .section-title h2 {
        font-size: 26px;
    }
    
    #video-center .section-title p {
        font-size: 16px;
    }
    
    .video-play-btn {
        width: 60px;
        height: 60px;
        font-size: 20px;
        opacity: 1;
    }
    
    .video-card-info h3 {
        font-size: 15px;
    }

       /* 让视频卡片占满容器宽度 */
    .video-card {
        width: 100%;
    }
    
    /* 确保视频播放器占满卡片宽度 */
    .video-card-player {
        width: 100%;
    }
    
    /* 减少或移除间距 */
    .video-center-grid {
        gap: 20px;
        padding: 0 10px; /* 根据需要调整 */
    }
    
    /* 让整个网格区域占满屏幕 */
    #video-center .container {
        padding-left: 0;
        padding-right: 0;
        max-width: 100%;
    }
}


/* ============================================================
   滚动动画
   ============================================================ */

.video-card {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.7s ease,
                transform 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.3s ease;
}

.video-card:nth-child(1) { transition-delay: 0s; }
.video-card:nth-child(2) { transition-delay: 0.15s; }
.video-card:nth-child(3) { transition-delay: 0.3s; }

.video-card.is-visible {
    opacity: 1;
    transform: translateY(0);
}


/* ============================================================
   响应式
   ============================================================ */

@media (max-width: 992px) {
    .video-center-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* 第三个占满整行 */
    .video-card:nth-child(3) {
        grid-column: span 2;
    }
}

@media (max-width: 767px) {
    .video-center-grid {
        grid-template-columns: 1fr;
    }

    .video-card:nth-child(3) {
        grid-column: span 1;
    }

    .video-play-btn {
        width: 50px;
        height: 50px;
        font-size: 18px;
    }
}

/* ===================== 视频弹窗样式 ===================== */

.video-modal {
    display: none;
    position: fixed;
    z-index: 99999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.video-modal-content {
    position: relative;
    margin: 5vh auto;
    width: 90%;
    max-width: 1000px;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.video-modal-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 比例 */
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

#modal-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
}

.video-modal-close {
    position: absolute;
    top: -45px;
    right: 0;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
    line-height: 1;
    width: 40px;
    height: 40px;
    text-align: center;
}

.video-modal-close:hover,
.video-modal-close:focus {
    color: #DC2626;
}




/* ============================================================
   6. 新闻中心
   ============================================================ */

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

        :root {
            --primary-red: #DC2626;
            --primary-red-dark: #B91C1C;
            --text-dark: #1F2937;
            --text-gray: #6B7280;
            --bg-light: #F9FAFB;
            --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            --card-shadow-hover: 0 10px 20px rgba(0, 0, 0, 0.1);
        }

        body {
            font-family: 'Inter', 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.6;
        }

        /* ============================================================
           News Section
           ============================================================ */
        /* #news-section {
            position: relative;
            padding: 64px 24px;
            overflow: hidden;
            background-color: var(--bg-light);
            background-image: radial-gradient(circle at 1px 1px, rgba(209, 213, 219, 0.4) 1px, transparent 0);
            background-size: 32px 32px;
        } */

        #news-section {
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }




        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============================================================
           Header
           ============================================================ */
                /* 新闻标题区域 - 增加与巨幕的间距 */
        .news-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 60px;
            padding-top: 30px;
            min-height: 80px;
        }

        .news-header-left {
            display: flex;
            align-items: baseline;
            gap: 18px;
        }

        .news-label {
            font-size: 14px;
            font-weight: 400;
            color: var(--text-gray);
            white-space: nowrap;
        }

        .news-header-left h2 {
            font-family: 'Inter', 'PingFang SC', sans-serif;
            font-size: 40px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0;
        }

        .learn-more-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 140px;
            height: 44px;
            background-color: var(--primary-red);
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 500;
            text-decoration: none;
            border-radius: 22px;
            transition: background-color 0.3s ease;
            white-space: nowrap;
        }

        .learn-more-btn:hover {
            background-color: var(--primary-red-dark);
        }

        /* ============================================================
           3-Column Grid Layout
           ============================================================ */
        .news-grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
            align-items: stretch;
        }

        /* ============================================================
           Large Cards (Left & Middle)
           ============================================================ */
        .news-card-large {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            height: 544px;
            box-shadow: var(--card-shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .news-card-large:hover {
            transform: translateY(-4px);
            box-shadow: var(--card-shadow-hover);
        }

        .news-card-large .news-card-link-wrap {
            display: block;
            width: 100%;
            height: 100%;
            text-decoration: none;
            color: #fff;
            position: relative;
        }

        .news-card-large .news-card-image {
            position: absolute;
            inset: 0;
            z-index: 1;
        }

        .news-card-large .news-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.6s ease;
        }

        .news-card-large:hover .news-card-image img {
            transform: scale(1.04);
        }

        .news-card-large .news-card-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 240px;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
            z-index: 2;
            pointer-events: none;
        }

        .news-card-large .news-card-content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 3;
            padding: 24px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .news-card-large .news-card-content h3 {
            font-size: 24px;
            font-weight: 700;
            line-height: 32px;
            color: #FFFFFF;
            margin: 0 0 8px 0;
        }

        .news-card-large .news-card-excerpt {
            font-size: 14px;
            font-weight: 400;
            line-height: 20px;
            color: #FFFFFF;
            margin: 0 0 16px 0;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 36px;
            padding: 0 16px;
            background: rgba(255, 255, 255, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #FFFFFF;
            font-size: 14px;
            text-decoration: none;
            border-radius: 4px;
            transition: background 0.3s ease;
            cursor: pointer;
        }

        .news-card-large:hover .news-card-more {
            background: rgba(255, 255, 255, 0.3);
        }

        /* ============================================================
           Right Column (Stacked Cards)
           ============================================================ */
        .news-cards-right {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        /* ============================================================
           Red Card
           ============================================================ */
        .news-card-red {
            flex: 1;
            min-height: 260px;
            background-color: var(--primary-red);
            background-image:
                radial-gradient(ellipse at 80% 20%, rgba(253, 230, 138, 0.15) 0%, transparent 60%),
                linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .news-card-red:hover {
            transform: translateY(-4px);
            box-shadow: var(--card-shadow-hover);
        }

        .news-card-red .news-card-link-wrap {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            height: 100%;
            padding: 24px;
            text-decoration: none;
        }

        .news-card-red .news-card-content h3 {
            font-size: 20px;
            font-weight: 700;
            line-height: 28px;
            color: #FFFFFF;
            margin: 0 0 12px 0;
        }

        .news-big-number {
            display: flex;
            align-items: baseline;
            gap: 8px;
            font-size: 72px;
            font-weight: 800;
            line-height: 1;
            color: #FDE68A;
            margin: 8px 0 16px 0;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }

        .news-big-unit {
            font-size: 24px;
            font-weight: 600;
            color: #FDE68A;
        }

        .news-card-bottom {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .news-card-location {
            font-size: 18px;
            font-weight: 500;
            color: #FDE68A;
        }

        .news-card-date-short {
            font-size: 14px;
            font-weight: 400;
            color: #F3F4F6;
        }

        .news-card-red:hover .news-card-more {
            background: rgba(255, 255, 255, 0.3);
        }

        /* ============================================================
           Gray Cards
           ============================================================ */
        .news-card-gray {
            flex: 1;
            min-height: 140px;
            background-color: #F3F4F6;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
        }

        .news-card-gray:hover {
            background-color: #E5E7EB;
            transform: translateY(-4px);
            box-shadow: var(--card-shadow-hover);
        }

        .news-card-gray .news-card-link-wrap {
            display: flex;
            flex-direction: column;
            justify-content: center;
            height: 100%;
            padding: 20px 24px;
            text-decoration: none;
        }

        .news-card-gray .news-card-content h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 26px;
            color: var(--text-dark);
            margin: 0 0 8px 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-gray .news-card-date {
            display: block;
            font-size: 13px;
            font-weight: 400;
            color: #9CA3AF;
            margin: 0;
        }

        /* ============================================================
           Scroll Animations
           ============================================================ */
        .animate-card {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .animate-card.is-visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ============================================================
           Responsive - Tablet
           ============================================================ */
        @media (max-width: 1199px) {
            .news-grid-3 {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .news-cards-right {
                grid-column: span 2;
                flex-direction: row;
            }

            .news-card-large {
                height: 400px;
            }

            .news-big-number {
                font-size: 56px;
            }

            .news-header-left h2 {
                font-size: 32px;
            }
        }

        /* ============================================================
           Responsive - Mobile
           ============================================================ */
        @media (max-width: 767px) {
            #news-section {
                padding: 48px 16px;
            }

            .news-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                min-height: auto;
            }

            .news-header-left {
                flex-direction: column;
                gap: 4px;
            }

            .news-header-left h2 {
                font-size: 28px;
                line-height: 36px;
            }

            .learn-more-btn {
                width: 120px;
                height: 36px;
                font-size: 14px;
            }

            .news-grid-3 {
                grid-template-columns: 1fr;
            }

            .news-cards-right {
                grid-column: span 1;
                flex-direction: column;
            }

            .news-card-large {
                height: 320px;
            }

            .news-card-gray {
                min-height: 120px;
            }

            .news-big-number {
                font-size: 48px;
            }
        }




        

/* ============================================================
   Footer 区域
   ============================================================ */

/* —— 整体 Footer —— */
.site-footer {
    position: relative;
    background-color: #0a0a0a;
    color: rgba(255, 255, 255, 0.75);
    font-size: 14px;
    line-height: 1.8;
}

/* 顶部金色装饰线 */
.footer-top-bar {
    height: 3px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--primary-color, #c8a951) 20%,
        var(--primary-color, #c8a951) 80%,
        transparent 100%
    );
}

/* —— 主体区域 —— */
.footer-main {
    padding: 60px 0 0;
}

.footer-main .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* —— 四栏网格 —— */
.footer-widgets {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
    gap: 40px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* —— 栏目标题 —— */
.footer-widget-title {
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 24px;
    letter-spacing: 1px;
    position: relative;
    padding-bottom: 14px;
}

/* 标题下方装饰线 */
.footer-widget-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary-color, #c8a951);
    transition: width 0.3s ease;
}

.footer-widget:hover .footer-widget-title::after {
    width: 50px;
}

/* ============================================================
   栏目 1：品牌信息
   ============================================================ */
.footer-logo {
    margin-bottom: 20px;
}

.footer-logo img {
    height: 50px;
    width: auto;
    filter: brightness(0) invert(1); /* 白色 Logo */
}

.footer-site-name {
    color: #ffffff;
    font-size: 22px;
    font-weight: 700;
    margin: 0;
    letter-spacing: 2px;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.6);
    margin: 0 0 24px;
    max-width: 300px;
}

/* 社交图标 */
.social-links {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background-color: var(--primary-color, #c8a951);
    border-color: var(--primary-color, #c8a951);
    color: #fff;
    transform: translateY(-3px);
}

/* ============================================================
   栏目 2 & 3：导航链接
   ============================================================ */
.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 0;
    display: inline-block;
}

.footer-links a::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 1px;
    background-color: var(--primary-color, #c8a951);
    transition: width 0.3s ease;
}

.footer-links a:hover {
    color: #ffffff;
    padding-left: 16px;
}

.footer-links a:hover::before {
    width: 8px;
}

/* ============================================================
   栏目 4：联系方式
   ============================================================ */
.contact-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

.contact-list li i {
    color: var(--primary-color, #c8a951);
    font-size: 14px;
    margin-top: 4px; /* 与文字顶部对齐 */
    width: 16px;
    text-align: center;
    flex-shrink: 0;
}

.contact-list li span {
    flex: 1;
}

/* ============================================================
   底部版权栏
   ============================================================ */
.footer-bottom {
    padding: 24px 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.copyright {
    margin: 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

.icp-info {
    margin: 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

.icp-info a {
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    transition: color 0.3s ease;
}

.icp-info a:hover {
    color: var(--primary-color, #c8a951);
}

/* ============================================================
   响应式 — 平板 (≤991px)
   ============================================================ */
@media (max-width: 991px) {
    .footer-widgets {
        grid-template-columns: 1fr 1fr;
        gap: 35px;
    }

    /* 品牌栏独占一行 */
    .footer-brand {
        grid-column: 1 / -1;
        text-align: center;
    }

    .footer-desc {
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }

    .social-links {
        justify-content: center;
    }

    .footer-widget-title::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-brand .footer-widget-title::after {
        left: 0;
        transform: none;
    }

    .footer-links a::before {
        display: none;
    }

    .footer-links a:hover {
        padding-left: 0;
    }
}

/* ============================================================
   响应式 — 手机 (≤767px)  ★ 重点优化 ★
   ============================================================ */
@media (max-width: 767px) {

    /* —— 整体间距 —— */
    .footer-main {
        padding: 40px 0 0;
    }

    .footer-main .container {
        padding: 0 20px;
    }

    /* —— 四栏变单栏 —— */
    .footer-widgets {
        grid-template-columns: 1fr;
        gap: 36px;
        padding-bottom: 36px;
    }

    /* 品牌栏取消独占 */
    .footer-brand {
        grid-column: auto;
        text-align: center;
    }

    .footer-logo img {
        height: 40px;
    }

    .footer-site-name {
        font-size: 20px;
    }

    .footer-desc {
        max-width: 100%;
        font-size: 13px;
    }

    /* —— 栏目标题居中 —— */
    .footer-widget-title {
        font-size: 15px;
        margin-bottom: 18px;
        padding-bottom: 12px;
        text-align: center;
    }

    .footer-widget-title::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-widget:hover .footer-widget-title::after {
        width: 40px;
    }

    /* —— 导航链接 —— */
    .footer-links li {
        margin-bottom: 8px;
        text-align: center;
    }

    .footer-links a {
        font-size: 14px;
    }

    .footer-links a::before {
        display: none; /* 手机端去掉横线动画 */
    }

    .footer-links a:hover {
        padding-left: 0;
    }

    /* —— 联系方式 —— */
    .contact-list {
        max-width: 320px;
        margin: 0 auto;
    }

    .contact-list li {
        font-size: 13px;
        gap: 10px;
        margin-bottom: 14px;
    }

    /* —— 社交图标 —— */
    .social-links {
        justify-content: center;
        gap: 14px;
    }

    .social-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    /* 手机端用 :active 替代 hover */
    .social-icon:hover {
        transform: none;
        background-color: transparent;
        border-color: rgba(255, 255, 255, 0.2);
        color: rgba(255, 255, 255, 0.7);
    }

    .social-icon:active {
        background-color: var(--primary-color, #c8a951);
        border-color: var(--primary-color, #c8a951);
        transform: scale(0.92);
    }

    /* —— 版权栏 —— */
    .footer-bottom {
        padding: 20px 0;
    }

    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
        gap: 6px;
    }

    .copyright,
    .icp-info {
        font-size: 12px;
    }
}

/* ============================================================
   响应式 — 小屏手机 (≤375px)
   ============================================================ */
@media (max-width: 375px) {

    .footer-main {
        padding: 32px 0 0;
    }

    .footer-main .container {
        padding: 0 16px;
    }

    .footer-widgets {
        gap: 28px;
        padding-bottom: 28px;
    }

    .footer-logo img {
        height: 36px;
    }

    .footer-site-name {
        font-size: 18px;
    }

    .footer-desc {
        font-size: 12px;
        line-height: 1.8;
    }

    .footer-widget-title {
        font-size: 14px;
        margin-bottom: 14px;
    }

    .footer-links li {
        margin-bottom: 6px;
    }

    .footer-links a {
        font-size: 13px;
    }

    .contact-list li {
        font-size: 12px;
        margin-bottom: 12px;
    }

    .social-icon {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .copyright,
    .icp-info {
        font-size: 11px;
    }
}







 /* 优势区域整体容器 */
        .section-advantages {
            position: relative;
            width: 100%;
            min-height: 100vh;
            overflow: hidden;
        }

        /* 背景图层 */
        .bg-layer {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            opacity: 0;
            transition: opacity 0.8s ease-in-out, transform 0.8s ease-in-out;
            transform: scale(1.05);
        }

        .bg-layer.active {
            opacity: 1;
            transform: scale(1);
        }

        .bg-layer {
    filter: brightness(1.25) contrast(1.08);
}

.bg-overlay {
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.2),
        rgba(0, 0, 0, 0.05)
    );
}

.circle-inner {
    background: rgba(255, 255, 255, 0.35);
}
        /* 内容区域 */
        .content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            padding: 60px 20px;
        }

        /* 圆形按钮容器 - 水平排列 */
        .circles {
            display: flex;
            justify-content: center;
            align-items: stretch;
            gap: 60px;
            width: 100%;
            max-width: 1200px;

        }

        /* 单个圆形项 - 移除背景 */
        .circle-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 30px 20px;
        }

        .circle-item:hover {
            /* transform: translateY(-10px); */
        }

        /* 圆形 - 简洁毛玻璃效果 */
        .circle-inner {
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            display: flex;
            justify-content: center;
            align-items: center;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
            transition: transform 0.3s ease, background 0.3s ease;
            margin-bottom: 25px;
        }

        .circle-item:hover .circle-inner {
            transform: scale(1.08);
            background: rgba(255, 255, 255, 0.3);
        }

        .circle-inner img {
            width: 60px;
            height: 60px;
            object-fit: contain;
        }

        /* 文字内容 */
        .circle-text {
            text-align: center;
            color: #ffffff;
        }

        .circle-text h3 {
            font-size: 26px;
            font-weight: 700;
            letter-spacing: 3px;
            margin-bottom: 12px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
        }

        /* 分隔线 */
        .line {
            width: 40px;
            height: 2px;
            background: linear-gradient(
                to right,
                rgba(255, 255, 255, 0.3),
                rgba(255, 255, 255, 0.9),
                rgba(255, 255, 255, 0.3)
            );
            margin: 0 auto 12px;
            transition: width 0.3s ease;
        }

        .circle-item:hover .line {
            width: 60px;
        }

        .circle-text p {
            font-size: 14px;
            letter-spacing: 1px;
            opacity: 0.85;
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
        }

        /* 触摸反馈 */
        .circle-item:active {
            transform: scale(0.98);
        }

        /* ==================== 移动端适配 ==================== */
        @media (max-width: 992px) {
            .circles {
                flex-direction: column;
                gap: 30px;
                max-width: 500px;
            }

            .circle-item {
                padding: 25px 20px;
            }

            .circle-inner {
                width: 120px;
                height: 120px;
                margin-bottom: 20px;
            }

            .circle-inner img {
                width: 50px;
                height: 50px;
            }

            .circle-text h3 {
                font-size: 22px;
            }

            .circle-text p {
                font-size: 13px;
            }
        }

        /* 小屏手机 */
        @media (max-width: 480px) {
            .content {
                padding: 40px 15px;
            }

            .circles {
                gap: 25px;
            }

            .circle-inner {
                width: 100px;
                height: 100px;
                margin-bottom: 18px;
            }

            .circle-inner img {
                width: 40px;
                height: 40px;
            }

            .circle-text h3 {
                font-size: 20px;
                letter-spacing: 2px;
            }

            .circle-text p {
                font-size: 12px;
            }
        }

        /* 超小屏 */
        @media (max-width: 360px) {
            .circle-inner {
                width: 90px;
                height: 90px;
            }

            .circle-inner img {
                width: 35px;
                height: 35px;
            }

            .circle-text h3 {
                font-size: 18px;
            }
        }

        /* ==================== 桌面端大屏 ==================== */
        @media (min-width: 1200px) {
            .circles {
                gap: 80px;
            }

            .circle-inner {
                width: 150px;
                height: 150px;
            }

            .circle-inner img {
                width: 65px;
                height: 65px;
            }

            .circle-text h3 {
                font-size: 28px;
            }

            .circle-text p {
                font-size: 15px;
            }
        }

        /* 初始状态 - 显示第一个背景 */
        .bg-layer:first-child {
            opacity: 1;
            transform: scale(1);
        }

        /* 触摸高亮 */
        .circle-item {
            -webkit-tap-highlight-color: transparent;
        }


/* ===== Business Section ===== */
.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.business-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  height: 420px;
  cursor: pointer;
  transition: var(--transition);
}
.business-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}
.business-card .card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: var(--transition);
}
.business-card:hover .card-bg {
  transform: scale(1.05);
}
.business-card .card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,0.8) 100%);
  transition: var(--transition);
}
.business-card:hover .card-overlay {
  background: linear-gradient(180deg, rgba(0,166,80,0.2) 0%, rgba(0,0,0,0.85) 100%);
}
.business-card .card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 36px;
  color: #fff;
  z-index: 2;
}
.business-card .card-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--green-primary);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 12px;
}
.business-card h3 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
}
.business-card .card-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
  margin-bottom: 16px;
}
.business-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--green-primary);
  font-weight: 500;
  transition: var(--transition);
}
.business-card:hover .card-link { gap: 12px; }
.business-card .card-icon {
  position: absolute;
  top: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: rgba(255,255,255,0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  backdrop-filter: blur(8px);
  z-index: 2;
}

/* Card backgrounds - 每张卡片的渐变背景色 */
.card-feed .card-bg {
  background: linear-gradient(135deg, #2d5016 0%, #1a3a0e 100%);
}
.card-farm .card-bg {
  background: linear-gradient(135deg, #1a472a 0%, #0d2818 100%);
}
.card-meat .card-bg {
  background: linear-gradient(135deg, #8b1a1a 0%, #5c1010 100%);
}

/* 响应式 */
@media (max-width: 1024px) {
  .business-grid { grid-template-columns: 1fr; }
  .business-card { height: 320px; }
}


/* ===== Section Common ===== */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--green-primary);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 12px;
}
.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}
.section-desc {
  font-size: 16px;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}
.section-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--green-primary), var(--green-dark));
  margin: 20px auto 0;
  border-radius: 2px;
}

#business .section {
  max-width: 1800px;
  margin: 0 auto;
  padding: 100px 40px;
}

#business .business-grid {
  max-width: 1800px;
  margin: 0 auto;
}


/* ===== Footer ===== */
    .footer {
      background: #1a1a1a;
      color: rgba(255,255,255,0.7);
      padding: 60px 40px 0;
    }
    .footer-inner {
      max-width: 1300px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .footer-brand .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 20px;
    }
    .footer-brand .footer-logo-icon {
      width: 44px;
      height: 44px;
      background: var(--green-primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 14px;
    }
    .footer-brand .footer-logo-text {
      font-size: 18px;
      font-weight: 700;
      color: #fff;
    }
    .footer-brand p {
      font-size: 13px;
      line-height: 1.8;
      margin-bottom: 16px;
    }
    .footer-brand .hotline {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--green-primary);
      font-weight: 600;
    }
    .footer-brand .hotline i { font-size: 16px; }
    .footer-col h4 {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 12px;
    }
    .footer-col h4::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 24px;
      height: 2px;
      background: var(--green-primary);
    }
    .footer-col ul li {
      margin-bottom: 10px;
    }
    .footer-col ul li a {
      font-size: 13px;
      color: rgba(255,255,255,0.5);
      transition: var(--transition);
    }
    .footer-col ul li a:hover {
      color: var(--green-primary);
      padding-left: 4px;
    }
    .footer-bottom {
      max-width: 1300px;
      margin: 0 auto;
      padding: 24px 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: rgba(255,255,255,0.3);
    }
    .footer-bottom a {
      color: rgba(255,255,255,0.4);
      transition: var(--transition);
    }
    .footer-bottom a:hover { color: var(--green-primary); }
/* ===== Footer 响应式 ===== */
@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 767px) {
  .footer {
    padding: 40px 20px 0;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-bottom: 30px;
  }

  .footer-brand {
    grid-column: 1;
  }

  .footer-brand .footer-logo {
    margin-bottom: 14px;
  }

  .footer-brand p {
    font-size: 12px;
    margin-bottom: 12px;
  }

  .footer-brand .hotline {
    font-size: 13px;
  }

  .footer-col h4 {
    font-size: 14px;
    margin-bottom: 14px;
    padding-bottom: 10px;
  }

  .footer-col ul li {
    margin-bottom: 8px;
  }

  .footer-col ul li a {
    font-size: 12px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
    padding: 16px 0;
    font-size: 11px;
  }
}

@media (max-width: 360px) {
  .footer {
    padding: 30px 15px 0;
  }

  .footer-brand .footer-logo-icon {
    width: 36px;
    height: 36px;
    font-size: 12px;
  }

  .footer-brand .footer-logo-text {
    font-size: 16px;
  }

  .footer-col h4 {
    font-size: 13px;
  }
}


   /* CSS 样式文件 - 关于我们页面 */

/* CSS 变量 */
:root {
    --primary-color: #C41E3A;
    --primary-dark: #9A1830;
    --primary-light: #E83A52;
    --text-dark: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --bg-white: #FFFFFF;
    --bg-light: #F5F5F5;
    --bg-gray: #EEEEEE;
    --border-color: #E0E0E0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 页眉样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

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

.logo-icon {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

.logo-text {
    font-size: 20px;
    font-weight: bold;
    color: var(--text-dark);
}

.logo-subtitle {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 2px;
}

.nav {
    display: flex;
    gap: 24px;
}

.nav-link {
    font-size: 14px;
    color: var(--text-light);
    padding: 8px 12px;
    transition: color var(--transition-fast);
}

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

.search-icon {
    cursor: pointer;
    padding: 8px;
    color: var(--text-light);
    transition: color var(--transition-fast);
}

.search-icon:hover {
    color: var(--primary-color);
}

/* 背景图片 */
.hero-bg {
    position: relative;
    height: 400px;
    background: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&h=400&fit=crop') center/cover no-repeat;
    margin-top: 70px;
}

.hero-bg .hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
}

.hero-bg .hero-content {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 20px;
    color: var(--bg-white);
}

.hero-bg h2 {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 8px;
}

.hero-bg p {
    font-size: 16px;
    opacity: 0.9;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* 面包屑导航 */
.breadcrumb {
    background: var(--bg-white);
    padding: 12px 0;
    font-size: 14px;
    color: var(--text-light);
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb .container {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 次级导航 */
.sub-nav {
    background: var(--bg-white);
    padding: 20px 0;
}

.sub-nav-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.sub-nav-link {
    font-size: 14px;
    color: var(--text-light);
    padding: 10px 24px;
    background: var(--bg-light);
    border-radius: 20px;
    transition: all var(--transition-fast);
}

.sub-nav-link:hover,
.sub-nav-link.active {
    color: var(--bg-white);
    background: var(--primary-color);
}

/* 主标题区域 */
.main-title {
    padding: 40px 0;
    background: var(--bg-white);
}

.main-title h1 {
    font-size: 36px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 16px;
    line-height: 1.2;
}

.stock-code {
    font-size: 16px;
    color: var(--primary-color);
    font-weight: 500;
}

/* 通用区块样式 */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 42px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.section-en {
    font-size: 14px;
    color: var(--primary-color);
    letter-spacing: 4px;
    text-transform: uppercase;
}

/* 关于我们区块 */
.about-section {
    background: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    margin-top: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.feature-icon {
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.about-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.about-image:hover img {
    transform: scale(1.05);
}

/* 核心数据区块 */
.statistics-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--bg-white);
    padding: 100px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    transition: transform var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: 72px;
    font-weight: bold;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-unit {
    font-size: 24px;
    margin-left: 4px;
    display: inline;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
    margin-top: 12px;
}

/* 发展历程区块 */
.history-section {
    background: var(--bg-light);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 20px 40px;
}

.timeline-item.left {
    left: 0;
    text-align: right;
}

.timeline-item.right {
    left: 50%;
    text-align: left;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 30px;
    width: 20px;
    height: 20px;
    background: var(--bg-white);
    border: 4px solid var(--primary-color);
    border-radius: 50%;
}

.timeline-item.left::before {
    right: -12px;
}

.timeline-item.right::before {
    left: -8px;
}

.timeline-content {
    background: var(--bg-white);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.timeline-content:hover {
    transform: translateY(-5px);
}

.timeline-year {
    font-size: 32px;
    font-weight: bold;
    color: var(--primary-color);
    display: block;
    margin-bottom: 8px;
}

.timeline-title {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 14px;
    color: var(--text-light);
}

/* 集团荣誉区块 */
.honor-section {
    background: var(--bg-white);
}

.honor-title {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 40px;
}

.honor-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.honor-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    text-align: center;
    transition: all var(--transition-normal);
}

.honor-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.honor-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
    background: var(--bg-light);
}

.honor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.honor-card:hover .honor-image img {
    transform: scale(1.05);
}

.honor-card .honor-title {
    font-size: 14px;
    color: var(--text-dark);
    padding: 12px 16px;
    margin: 0;
    font-weight: normal;
}

/* 内容容器 */
.content-container {
    position: relative;
}

/* 内容区块切换 */
.section {
    display: none;
}

.section.active {
    display: block;
}

/* 企业文化区块 */
.culture-section {
    padding: 80px 0;
    background: var(--bg-white);
}

.culture-title {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 30px;
}

/* 企业文化次级导航 */
.culture-sub-nav {
    display: flex;
    background: var(--bg-light);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 30px;
}

.culture-nav-link {
    flex: 1;
    padding: 15px 20px;
    text-align: center;
    font-size: 16px;
    color: var(--text-light);
    transition: all var(--transition-fast);
}

.culture-nav-link:hover,
.culture-nav-link.active {
    background: var(--primary-color);
    color: var(--bg-white);
}

/* 核心理念内容 */
.culture-content {
    display: none;
}

.culture-content.active {
    display: block;
}

.core-values-text {
    margin-bottom: 30px;
    font-size: 16px;
    color: var(--text-dark);
    line-height: 1.8;
}

.core-values-text p {
    margin-bottom: 10px;
}

/* 背景图片和四大支柱 */
.culture-bg {
    background: url('https://images.unsplash.com/photo-1504384308090-c894fdcc538d?w=1920&h=600&fit=crop') center/cover no-repeat;
    padding: 60px 0;
    position: relative;
}

.culture-columns {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.culture-column {
    display: flex;
    justify-content: center;
}

.culture-card {
    width: 100%;
    max-width: 250px;
    padding: 30px 20px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    text-align: center;
    transition: all var(--transition-normal);
}

.culture-card.red-card {
    background: var(--primary-color);
    color: var(--bg-white);
}

.culture-card h3 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
}

.culture-card.red-card h3 {
    color: var(--bg-white);
}

.culture-card p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-light);
}

.culture-card.red-card p {
    color: rgba(255, 255, 255, 0.9);
}

/* 企业文化其他内容模块样式 */
.management-content,
.employee-content,
.logo-content,
.song-content {
    padding: 40px 0;
    text-align: center;
}

.management-content h3,
.employee-content h3,
.logo-content h3,
.song-content h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: bold;
}

.management-content p,
.employee-content p,
.logo-content p,
.song-content p {
    font-size: 16px;
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 30px;
}

/* 管理思想样式 */
.management-points {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.management-point {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

.management-point h4 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: bold;
}

.management-point p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* 员工准则样式 */
.employee-rules {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.employee-rule {
    background: var(--bg-light);
    padding: 25px;
    border-radius: 8px;
    text-align: center;
}

.employee-rule h4 {
    font-size: 16px;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: bold;
}

.employee-rule p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.5;
}

/* 企业标志样式 */
.logo-display {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.logo-icon {
    width: 120px;
    height: 120px;
    background: var(--primary-color);
    color: var(--bg-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: bold;
    border-radius: 8px;
}

/* 企业歌样式 */
.song-lyrics {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 8px;
    max-width: 600px;
    margin: 0 auto;
}

.song-lyrics p {
    margin-bottom: 15px;
    font-size: 16px;
    line-height: 1.8;
}

.song-lyrics p:first-child {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* 联系我们区块 */
.contact-section {
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 60px;
    align-items: start;
}

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

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-label {
    font-size: 14px;
    color: var(--text-muted);
}

.contact-value {
    font-size: 18px;
    color: var(--text-dark);
    font-weight: 500;
}

.contact-qr {
    display: flex;
    justify-content: center;
}

.qr-code {
    text-align: center;
    padding: 32px;
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.qr-code img {
    width: 150px;
    height: 150px;
    margin-bottom: 16px;
    background: var(--bg-gray);
}

.qr-code span {
    font-size: 14px;
    color: var(--text-light);
}

/* 页脚样式 */
.footer {
    background: var(--text-dark);
    color: var(--bg-white);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 18px;
    margin-bottom: 24px;
    color: var(--bg-white);
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-links ul li a:hover {
    color: var(--primary-color);
}

.footer-contact p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 12px;
    line-height: 1.8;
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-bottom a:hover {
    color: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 56px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .honor-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .culture-title {
        font-size: 32px;
    }

    .culture-sub-nav {
        flex-wrap: wrap;
        gap: 8px;
        padding: 8px;
        border-radius: 8px;
    }

    .culture-nav-link {
        flex: 1 1 calc(50% - 8px);
        font-size: 14px;
        padding: 10px 15px;
    }

    .culture-columns {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .culture-card {
        max-width: none;
        padding: 25px 15px;
    }

    .culture-card h3 {
        font-size: 16px;
    }

    .culture-card p {
        font-size: 13px;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
        height: auto;
        padding: 16px 20px;
    }

    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
        gap: 16px;
    }

    .nav.active {
        display: flex;
    }

    /* 次级导航手机端样式 - 两排布局 */
    .sub-nav-content {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
        max-width: 400px;
        margin: 0 auto;
    }

    .sub-nav-link {
        font-size: 14px;
        padding: 12px 16px;
        border-radius: 8px;
        text-align: center;
        background: #f5f5f5;
        color: #666;
        transition: all var(--transition-fast);
    }

    .sub-nav-link:hover,
    .sub-nav-link.active {
        background: var(--primary-color);
        color: var(--bg-white);
    }

    .hero-title {
        font-size: 40px;
        letter-spacing: 4px;
    }

    .hero-subtitle {
        font-size: 18px;
        letter-spacing: 6px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 32px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        order: -1;
    }

    .stat-number {
        font-size: 48px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 60px;
        padding-right: 20px;
        text-align: left;
    }

    .timeline-item.left,
    .timeline-item.right {
        left: 0;
        text-align: left;
    }

    .timeline-item.left::before,
    .timeline-item.right::before {
        left: 12px;
    }

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

    /* 企业文化手机端优化 */
    .culture-section {
        padding: 60px 0;
    }

    .culture-title {
        font-size: 28px;
        margin-bottom: 20px;
    }

    .culture-sub-nav {
        flex-direction: column;
        gap: 4px;
        padding: 0;
    }

    .culture-nav-link {
        flex: 1 1 auto;
        font-size: 14px;
        padding: 12px 15px;
        text-align: center;
        border-radius: 0;
    }

    .core-values-text {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .culture-bg {
        padding: 40px 0;
    }

    .culture-columns {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .culture-card {
        padding: 20px 15px;
        max-width: none;
    }

    .culture-card h3 {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .culture-card p {
        font-size: 13px;
        line-height: 1.5;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }
}

/* 动画类 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    background: var(--primary-color);
    color: var(--bg-white);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--bg-white);
}


/* CSS 样式文件 - 关于我们页面 */

/* CSS 变量 */
:root {
    --primary-color: #C41E3A;
    --primary-dark: #9A1830;
    --primary-light: #E83A52;
    --text-dark: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --bg-white: #FFFFFF;
    --bg-light: #F5F5F5;
    --bg-gray: #EEEEEE;
    --border-color: #E0E0E0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 页眉样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

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

.logo-icon {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

.logo-text {
    font-size: 20px;
    font-weight: bold;
    color: var(--text-dark);
}

.logo-subtitle {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 2px;
}

.nav {
    display: flex;
    gap: 24px;
}

.nav-link {
    font-size: 14px;
    color: var(--text-light);
    padding: 8px 12px;
    transition: color var(--transition-fast);
}

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

.search-icon {
    cursor: pointer;
    padding: 8px;
    color: var(--text-light);
    transition: color var(--transition-fast);
}

.search-icon:hover {
    color: var(--primary-color);
}

/* 背景图片 */
.hero-bg {
    position: relative;
    height: 400px;
    background: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&h=400&fit=crop') center/cover no-repeat;
    margin-top: 70px;
}

.hero-bg .hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
}

.hero-bg .hero-content {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 20px;
    color: var(--bg-white);
}

.hero-bg h2 {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 8px;
}

.hero-bg p {
    font-size: 16px;
    opacity: 0.9;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* 面包屑导航 */
.breadcrumb {
    background: var(--bg-white);
    padding: 12px 0;
    font-size: 14px;
    color: var(--text-light);
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb .container {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 次级导航 */
.sub-nav {
    background: var(--bg-white);
    padding: 20px 0;
}

.sub-nav-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.sub-nav-link {
    font-size: 14px;
    color: var(--text-light);
    padding: 10px 24px;
    background: var(--bg-light);
    border-radius: 20px;
    transition: all var(--transition-fast);
}

.sub-nav-link:hover,
.sub-nav-link.active {
    color: var(--bg-white);
    background: var(--primary-color);
}

/* 主标题区域 */
.main-title {
    padding: 40px 0;
    background: var(--bg-white);
}

.main-title h1 {
    font-size: 36px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 16px;
    line-height: 1.2;
}

.stock-code {
    font-size: 16px;
    color: var(--primary-color);
    font-weight: 500;
}

/* 通用区块样式 */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 42px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.section-en {
    font-size: 14px;
    color: var(--primary-color);
    letter-spacing: 4px;
    text-transform: uppercase;
}

/* 关于我们区块 */
.about-section {
    background: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    margin-top: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.feature-icon {
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.about-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.about-image:hover img {
    transform: scale(1.05);
}

/* 核心数据区块 */
.statistics-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--bg-white);
    padding: 100px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    transition: transform var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: 72px;
    font-weight: bold;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-unit {
    font-size: 24px;
    margin-left: 4px;
    display: inline;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
    margin-top: 12px;
}

/* 发展历程区块 */
.history-section {
    background: var(--bg-light);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 20px 40px;
}

.timeline-item.left {
    left: 0;
    text-align: right;
}

.timeline-item.right {
    left: 50%;
    text-align: left;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 30px;
    width: 20px;
    height: 20px;
    background: var(--bg-white);
    border: 4px solid var(--primary-color);
    border-radius: 50%;
}

.timeline-item.left::before {
    right: -12px;
}

.timeline-item.right::before {
    left: -8px;
}

.timeline-content {
    background: var(--bg-white);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.timeline-content:hover {
    transform: translateY(-5px);
}

.timeline-year {
    font-size: 32px;
    font-weight: bold;
    color: var(--primary-color);
    display: block;
    margin-bottom: 8px;
}

.timeline-title {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 14px;
    color: var(--text-light);
}

/* 集团荣誉区块 */
.honor-section {
    background: var(--bg-white);
}

.honor-title {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 40px;
}

.honor-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.honor-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    text-align: center;
    transition: all var(--transition-normal);
}

.honor-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.honor-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
    background: var(--bg-light);
}

.honor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.honor-card:hover .honor-image img {
    transform: scale(1.05);
}

.honor-card .honor-title {
    font-size: 14px;
    color: var(--text-dark);
    padding: 12px 16px;
    margin: 0;
    font-weight: normal;
}

/* 内容容器 */
.content-container {
    position: relative;
}

/* 内容区块切换 */
.section {
    display: none;
}

.section.active {
    display: block;
}

/* 企业文化区块 */
.culture-section {
    padding: 80px 0;
    background: var(--bg-white);
}

.culture-title {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 30px;
}

/* 企业文化次级导航 */
.culture-sub-nav {
    display: flex;
    background: var(--bg-light);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 30px;
}

.culture-nav-link {
    flex: 1;
    padding: 15px 20px;
    text-align: center;
    font-size: 16px;
    color: var(--text-light);
    transition: all var(--transition-fast);
}

.culture-nav-link:hover,
.culture-nav-link.active {
    background: var(--primary-color);
    color: var(--bg-white);
}

/* 核心理念内容 */
.culture-content {
    display: none;
}

.culture-content.active {
    display: block;
}

.core-values-text {
    margin-bottom: 30px;
    font-size: 16px;
    color: var(--text-dark);
    line-height: 1.8;
}

.core-values-text p {
    margin-bottom: 10px;
}

/* 背景图片和四大支柱 */
.culture-bg {
    background: url('https://images.unsplash.com/photo-1504384308090-c894fdcc538d?w=1920&h=600&fit=crop') center/cover no-repeat;
    padding: 60px 0;
    position: relative;
}

.culture-columns {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.culture-column {
    display: flex;
    justify-content: center;
}

.culture-card {
    width: 100%;
    max-width: 250px;
    padding: 30px 20px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    text-align: center;
    transition: all var(--transition-normal);
}

.culture-card.red-card {
    background: var(--primary-color);
    color: var(--bg-white);
}

.culture-card h3 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
}

.culture-card.red-card h3 {
    color: var(--bg-white);
}

.culture-card p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-light);
}

.culture-card.red-card p {
    color: rgba(255, 255, 255, 0.9);
}

/* 企业文化其他内容模块样式 */
.management-content,
.employee-content,
.logo-content,
.song-content {
    padding: 40px 0;
    text-align: center;
}

.management-content h3,
.employee-content h3,
.logo-content h3,
.song-content h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: bold;
}

.management-content p,
.employee-content p,
.logo-content p,
.song-content p {
    font-size: 16px;
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 30px;
}

/* 管理思想样式 */
.management-points {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.management-point {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

.management-point h4 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: bold;
}

.management-point p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* 员工准则样式 */
.employee-rules {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.employee-rule {
    background: var(--bg-light);
    padding: 25px;
    border-radius: 8px;
    text-align: center;
}

.employee-rule h4 {
    font-size: 16px;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: bold;
}

.employee-rule p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.5;
}

/* 企业标志样式 */
.logo-display {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.logo-icon {
    width: 120px;
    height: 120px;
    background: var(--primary-color);
    color: var(--bg-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: bold;
    border-radius: 8px;
}

/* 企业歌样式 */
.song-lyrics {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 8px;
    max-width: 600px;
    margin: 0 auto;
}

.song-lyrics p {
    margin-bottom: 15px;
    font-size: 16px;
    line-height: 1.8;
}

.song-lyrics p:first-child {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* 新闻中心区块 */
.news-section {
    padding: 80px 0;
    background: var(--bg-white);
}

/* 新闻分类导航 */
.news-category-nav {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.news-category {
    padding: 10px 24px;
    background: var(--bg-light);
    color: var(--text-light);
    border-radius: 20px;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.news-category:hover,
.news-category.active {
    background: var(--primary-color);
    color: var(--bg-white);
}

/* 新闻列表 */
.news-list {
    max-width: 1200px;
    margin: 0 auto;
}

.news-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.news-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 80px;
}

.date-day {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
}

.date-month {
    font-size: 14px;
    color: var(--text-light);
}

.news-content {
    flex: 1;
}

.news-title {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-summary {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.news-image {
    flex-shrink: 0;
    width: 200px;
    height: 150px;
    border-radius: 8px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 视频中心区块 */
.video-section {
    padding: 80px 0;
    background: var(--bg-white);
}

/* 视频分类导航 */
.video-category-nav {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.video-category {
    padding: 10px 24px;
    background: var(--bg-light);
    color: var(--text-light);
    border-radius: 20px;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.video-category:hover,
.video-category.active {
    background: var(--primary-color);
    color: var(--bg-white);
}

.video-title {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 40px;
}

/* 视频网格 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

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

.video-thumbnail {
    position: relative;
    width: 100%;
    padding-top: 66.67%;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 15px;
}

.video-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(196, 30, 58, 0.8);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.play-button:hover {
    background: var(--primary-color);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-name {
    font-size: 16px;
    color: var(--text-dark);
    font-weight: bold;
}

/* 分页导航 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.pagination-prev,
.pagination-next {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    color: var(--text-light);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.pagination-prev:hover,
.pagination-next:hover {
    background: var(--primary-color);
    color: var(--bg-white);
}

.pagination-page {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    color: var(--text-light);
    border-radius: 4px;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.pagination-page:hover,
.pagination-page.active {
    background: var(--primary-color);
    color: var(--bg-white);
}

.pagination-ellipsis {
    color: var(--text-light);
    font-size: 14px;
}

/* 新闻详情页面样式 */
/* ============================================================
   新闻详情页优化 (专业版式)
   ============================================================ */

.news-detail-section .container {
    max-width: 800px; /* 关键：限制版心宽度，让所有内容居中对齐 */
    margin: 0 auto;
    padding: 0 20px;
}

/* 标题区域 */
.news-detail-header {
    text-align: center;
    margin: 40px 0;
    padding-bottom: 30px;
    border-bottom: 1px solid #f0f0f0;
}

.news-detail-title {
    font-size: 36px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.4;
    margin-bottom: 16px;
}

/* 元数据 */
.news-detail-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    font-size: 14px;
    color: #888;
}

/* 正文 */
.news-detail-content {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
}

.news-detail-content p {
    margin-bottom: 24px;
    text-indent: 0; /* 取消首行缩进，更现代 */
}

/* 导语/摘要的特殊样式 */
.news-detail-content p:first-child {
    background-color: #f9f9f9;
    padding: 25px;
    border-left: 4px solid #DC2626; /* 品牌红色 */
    font-size: 15px;
    color: #555;
    line-height: 1.7;
}

.news-detail-content h3 {
    font-size: 22px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 40px 0 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.news-detail-content img {
    margin: 30px auto;
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.news-detail-footer {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.news-navigation {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.news-nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    transition: all var(--transition-fast);
}

.news-nav-link:hover {
    color: var(--primary-color);
}

.nav-arrow {
    font-size: 16px;
}

.back-to-list {
    display: inline-block;
    padding: 10px 24px;
    background: var(--bg-light);
    color: var(--text-dark);
    border-radius: 4px;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.back-to-list:hover {
    background: var(--primary-color);
    color: var(--bg-white);
}

/* 新闻标题链接样式 */
.news-title a {
    color: var(--text-dark);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.news-title a:hover {
    color: var(--primary-color);
}

/* 联系我们区块 */
.contact-section {
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 60px;
    align-items: start;
}

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

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-label {
    font-size: 14px;
    color: var(--text-muted);
}

.contact-value {
    font-size: 18px;
    color: var(--text-dark);
    font-weight: 500;
}

.contact-qr {
    display: flex;
    justify-content: center;
}

.qr-code {
    text-align: center;
    padding: 32px;
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.qr-code img {
    width: 150px;
    height: 150px;
    margin-bottom: 16px;
    background: var(--bg-gray);
}

.qr-code span {
    font-size: 14px;
    color: var(--text-light);
}

/* 页脚样式 */
.footer {
    background: var(--text-dark);
    color: var(--bg-white);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 18px;
    margin-bottom: 24px;
    color: var(--bg-white);
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-links ul li a:hover {
    color: var(--primary-color);
}

.footer-contact p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 12px;
    line-height: 1.8;
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-bottom a:hover {
    color: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 56px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .honor-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .culture-title {
        font-size: 32px;
    }

    .culture-sub-nav {
        flex-wrap: wrap;
        gap: 8px;
        padding: 8px;
        border-radius: 8px;
    }

    .culture-nav-link {
        flex: 1 1 calc(50% - 8px);
        font-size: 14px;
        padding: 10px 15px;
    }

    .culture-columns {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .culture-card {
        max-width: none;
        padding: 25px 15px;
    }

    .culture-card h3 {
        font-size: 16px;
    }

    .culture-card p {
        font-size: 13px;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
        height: auto;
        padding: 16px 20px;
    }

    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
        gap: 16px;
    }

    .nav.active {
        display: flex;
    }

    /* 次级导航手机端样式 - 两排布局 */
    .sub-nav-content {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
        max-width: 400px;
        margin: 0 auto;
    }

    .sub-nav-link {
        font-size: 14px;
        padding: 12px 16px;
        border-radius: 8px;
        text-align: center;
        background: #f5f5f5;
        color: #666;
        transition: all var(--transition-fast);
    }

    .sub-nav-link:hover,
    .sub-nav-link.active {
        background: var(--primary-color);
        color: var(--bg-white);
    }

    .hero-title {
        font-size: 40px;
        letter-spacing: 4px;
    }

    .hero-subtitle {
        font-size: 18px;
        letter-spacing: 6px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 32px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        order: -1;
    }

    .stat-number {
        font-size: 48px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 60px;
        padding-right: 20px;
        text-align: left;
    }

    .timeline-item.left,
    .timeline-item.right {
        left: 0;
        text-align: left;
    }

    .timeline-item.left::before,
    .timeline-item.right::before {
        left: 12px;
    }

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

    /* 企业文化手机端优化 */
    .culture-section {
        padding: 60px 0;
    }

    .culture-title {
        font-size: 28px;
        margin-bottom: 20px;
    }

    .culture-sub-nav {
        flex-direction: column;
        gap: 4px;
        padding: 0;
    }

    .culture-nav-link {
        flex: 1 1 auto;
        font-size: 14px;
        padding: 12px 15px;
        text-align: center;
        border-radius: 0;
    }

    .core-values-text {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .culture-bg {
        padding: 40px 0;
    }

    .culture-columns {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .culture-card {
        padding: 20px 15px;
        max-width: none;
    }

    .culture-card h3 {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .culture-card p {
        font-size: 13px;
        line-height: 1.5;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    /* 新闻中心手机端样式 */
    .news-section {
        padding: 60px 0;
    }

    .news-category-nav {
        gap: 8px;
        margin-bottom: 30px;
    }

    .news-category {
        padding: 8px 16px;
        font-size: 12px;
    }

    .news-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        padding: 20px 15px;
    }

    .news-date {
        flex-direction: row;
        align-items: center;
        gap: 10px;
        min-width: auto;
    }

    .date-day {
        font-size: 28px;
    }

    .date-month {
        font-size: 12px;
    }

    .news-title {
        font-size: 16px;
    }

    .news-summary {
        font-size: 13px;
    }

    .news-image {
        width: 100%;
        height: 200px;
    }

    /* 视频中心手机端样式 */
    .video-section {
        padding: 60px 0;
    }

    .video-category-nav {
        gap: 8px;
        margin-bottom: 30px;
    }

    .video-category {
        padding: 8px 16px;
        font-size: 12px;
    }

    .video-title {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .video-name {
        font-size: 14px;
    }

    .play-button {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    /* 分页导航手机端样式 */
    .pagination {
        gap: 4px;
        margin-top: 30px;
    }

    .pagination-prev,
    .pagination-next,
    .pagination-page {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }

    .pagination-ellipsis {
        font-size: 12px;
    }

    /* 新闻详情手机端样式 */
    .news-detail-section {
        padding: 60px 0;
    }

    .news-detail-title {
        font-size: 24px;
    }

    .news-detail-meta {
        flex-direction: column;
        gap: 10px;
        font-size: 13px;
    }

    .news-detail-content {
        padding: 0 15px;
    }

    .news-detail-content p {
        font-size: 14px;
    }

    .news-detail-content h3 {
        font-size: 20px;
    }

    .news-navigation {
        padding: 0 15px;
    }

    .news-nav-link {
        font-size: 14px;
    }
}

/* 动画类 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    background: var(--primary-color);
    color: var(--bg-white);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--bg-white);
}

/* ============================================================
   取消所有 Section 的滚动/滑动加载动画
   重置透明度和位移，使内容直接显示，无需等待滚动触发
   ============================================================ */

/* 1. 取消公司简介模块滑动加载 */
.about-summary-image,
.about-summary-text {
    opacity: 1 !important;
    transform: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* 2. 取消优势区块入场动画 */
.inner-fade {
    opacity: 1 !important;
    transform: none;
}

/* 3. 取消视频中心卡片加载动画 (保留原有的悬浮上浮效果) */
.video-card {
    opacity: 1 !important;
    transform: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease !important; 
}
.video-card:hover {
    transform: translateY(-5px) !important;
}

/* 4. 取消新闻卡片加载动画 (保留原有的悬浮上浮效果) */
.animate-card {
    opacity: 1 !important;
    transform: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease !important;
}
.news-card-large:hover,
.news-card-red:hover,
.news-card-gray:hover {
    transform: translateY(-4px) !important;
}

/* 5. 取消其它通用页面内容的加载动画 */
.animate-on-scroll {
    opacity: 1 !important;
    transform: none !important;
}


/* 分页容器 */
.pagination ul {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin-top: 40px;
}

/* 页码按钮样式 */
.pagination ul li a, 
.pagination ul li span {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
    color: #666;
    border-radius: 4px;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s ease;
}

/* 激活状态和悬停状态 */
.pagination ul li .current {
    background: #DC2626; /* 品牌红 */
    color: #fff;
}

.pagination ul li a:hover {
    background: #DC2626;
    color: #fff;
}

/* 箭头图标微调 */
.pagination ul li a svg {
    display: block;
}


/* 荣誉区域容器 */
.honor-section {
    padding: 80px 0;
    background: #fff;
}

/* 荣誉网格：每行4个，在手机上自动变列 */
.honor-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

/* 卡片样式 */
.honor-card {
    background: #fcfcfc; /* 极浅的底色，模拟纸张质感 */
    padding: 15px;      /* 图片周围的留白 */
    border: 1px solid #eee; /* 浅灰色细边框 */
    transition: all 0.3s ease;
    text-align: center;
}

.honor-card:hover {
    border-color: #ddd;
    box-shadow: 0 10px 20px rgba(0,0,0,0.08); /* 悬浮时出现柔和阴影 */
}

/* 图片容器：关键在于去掉固定高度，让图片自动适应 */
.honor-image {
    width: 100%;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.honor-image img {
    max-width: 100%;
    height: auto; /* 保持图片原始比例 */
    display: block;
}

/* 标题样式 */
/* .honor-title {
    font-size: 15px;
    color: #444;
    font-weight: 500;
    margin: 0;
    padding-top: 10px; 
    border-top: 1px solid #eee; /* 图片与文字的分隔线 
} */

/* 响应式：平板变3列，手机变2列 */
@media (max-width: 992px) {
    .honor-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .honor-grid { grid-template-columns: repeat(2, 1fr); gap: 15px; }
    .honor-card { padding: 10px; }
}


/* ============================================================
   文章内容排版美化 (Pro Level)
   ============================================================ */

/* --- 基础排版设定 --- */
.news-detail-content {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 17px; /* 最佳阅读字号 */
    line-height: 1.9; /* 黄金行高，增加呼吸感 */
    color: #333;
    word-wrap: break-word;
    letter-spacing: 0.5px;
}

/* --- 段落样式 --- */
.news-detail-content p {
    margin-bottom: 28px;
    text-indent: 0; /* 移除首行缩进 */
}

/* --- 导语/摘要框优化 --- */
.news-detail-content > p:first-of-type {
    background-color: #f7f7f7;
    padding: 25px 30px;
    border-left: 5px solid #DC2626; /* 品牌色 */
    font-size: 15px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 40px;
}

/* --- 各级标题样式 (核心：建立视觉层次) --- */

/* h2 - 大章节标题 */
.news-detail-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 60px 0 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

/* h3 - 小节标题 */
.news-detail-content h3 {
    font-size: 22px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 50px 0 20px;
    position: relative;
    padding-left: 18px;
}

/* h3 标题前的装饰条 */
.news-detail-content h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 22px;
    background-color: #DC2626;
    border-radius: 2px;
}

/* h4 - 更小的标题或要点 */
.news-detail-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin: 30px 0 15px;
}

/* --- 重点文字 --- */
.news-detail-content strong,
.news-detail-content b {
    color: #DC2626;
    font-weight: 600;
}

/* --- 列表样式 --- */
.news-detail-content ul,
.news-detail-content ol {
    margin: 0 0 25px 25px;
    padding-left: 20px;
}
.news-detail-content li {
    margin-bottom: 12px;
}
.news-detail-content ul li::marker {
    color: #DC2626;
}

/* --- 引用/Blockquote 样式 --- */
.news-detail-content blockquote {
    margin: 30px 0;
    padding: 20px 25px;
    background-color: #f9f9f9;
    border-left: 5px solid #ccc;
    color: #666;
    font-style: italic;
}

/* ============================================================
   文章图片排版优化 (支持多种布局)
   ============================================================ */

/* --- 1. 默认居中图片 --- */
.news-detail-content img {
    display: block;
    margin: 40px auto;
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* --- 2. 带图注的图片 --- */
.news-detail-content .wp-block-image figure {
    margin: 40px auto;
}

.news-detail-content figcaption {
    margin-top: 12px;
    text-align: center;
    font-size: 14px;
    color: #888;
    line-height: 1.6;
}

/* --- 3. 文字环绕图片 (核心) --- */

/* 左对齐的图片 */
.news-detail-content img.alignleft {
    float: left;
    margin: 10px 25px 15px 0;
    max-width: 45%; /* 限制宽度，给文字留出空间 */
}

/* 右对齐的图片 */
.news-detail-content img.alignright {
    float: right;
    margin: 10px 0 15px 25px;
    max-width: 45%;
}

/* 清除浮动，防止后续元素布局错乱 */
.news-detail-content p:has(+ img.alignleft),
.news-detail-content p:has(+ img.alignright) {
    clear: both;
}

/* ============================================================
   修复手机端视频弹窗 (完美兼容竖屏短视频)
   ============================================================ */

@media (max-width: 767px) {
    /* 1. 弹窗容器居中并占据合适空间 */
    .video-modal-content {
        width: 90% !important;
        margin: 10vh auto !important; /* 距离顶部 10% 视口高度 */
    }

    /* 2. 移除强制的 16:9 比例，改用动态屏幕高度 */
    .video-modal-wrapper {
        padding-bottom: 0 !important; /* 杀掉强制横屏比例 */
        height: 75vh !important;      /* 高度设定为屏幕高度的 75%，给竖屏视频充足空间 */
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        background-color: #000 !important;
    }

    /* 3. 视频本身填充新的容器 */
    #modal-video {
        position: relative !important;
        width: 100% !important;
        height: 100% !important;
        object-fit: contain !important; /* 保持不变形，完整显示 */
    }

    /* 4. 修复关闭按钮的位置，防止乱跑 */
    .video-modal-close {
        top: -45px !important;
        right: 0 !important;
        font-size: 36px !important;
        width: 40px !important;
        height: 40px !important;
        line-height: 40px !important;
        text-align: center !important;
        background: rgba(0,0,0,0.5) !important; /* 加一点半透明背景，防止看不清 */
        border-radius: 50% !important;
    }
}

/* 针对超小屏幕微调 */
@media (max-width: 375px) {
    .video-modal-wrapper {
        height: 70vh !important; 
    }
}


/* ============================================================
   手机端视频弹窗：沉浸式全屏模式 (强制放大)
   ============================================================ */

@media (max-width: 767px) {
    /* 1. 让弹窗外壳直接撑满整个手机屏幕，去掉留白 */
    .video-modal-content {
        width: 100vw !important;
        height: 100vh !important;
        margin: 0 !important;
        max-width: none !important;
    }

    /* 2. 移除旧的 16:9 限制，让黑色容器填满屏幕 */
    .video-modal-wrapper {
        padding-bottom: 0 !important;
        width: 100% !important;
        height: 100% !important;
        border-radius: 0 !important;
        background-color: #000 !important;
    }

    /* 3. 强制视频标签填满容器，并保持自身比例放大到极限 */
    #modal-video {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100% !important;
        object-fit: contain !important; /* 关键：完整显示，不裁切，触碰屏幕边缘停止 */
    }

    /* 4. 将关闭按钮悬浮在屏幕右上角 */
    .video-modal-close {
        top: 25px !important;
        right: 25px !important;
        width: 44px !important;
        height: 44px !important;
        line-height: 40px !important;
        font-size: 32px !important;
        background: rgba(255, 255, 255, 0.2) !important;
        border: 2px solid rgba(255, 255, 255, 0.5) !important;
        color: #fff !important;
        border-radius: 50% !important;
        z-index: 100005 !important;
        backdrop-filter: blur(4px) !important;
    }
}


 /* ============================================================
     手机端视频弹窗 — 让视频更大
     ============================================================ */
  @media (max-width: 767px) {
      /* 弹窗占满整个屏幕 */
      .video-modal-content {
          width: 100% !important;
          height: 100vh !important;
          margin: 0 !important;
          max-width: 100% !important;
      }

      /* 移除固定 16:9 比例，让容器占满 */
      .video-modal-wrapper {
          width: 100% !important;
          height: 100% !important;
          padding-bottom: 0 !important;
          border-radius: 0 !important;
      }

      /* 视频填满容器 */
      #modal-video {
          width: 100% !important;
          height: 100% !important;
          object-fit: cover !important;
      }

      /* 关闭按钮位置调整到右上角 */
      .video-modal-close {
          top: 15px !important;
          right: 15px !important;
          z-index: 10;
      }
  }