/* ==========================================
   高端企业网站 - 主样式表
   设计风格：科技感、高端大气、深色主题
   ========================================== */

/* ========== 全局变量 ========== */
:root {
    /* 主色调 - 黑色+香槟金主题 */
    --color-primary: #000000;
    --color-secondary: #0a0a0a;
    --color-dark: #000000;
    
    /* 点缀色 - 香槟金色系 */
    --color-gold: #e6bf88;
    --color-gold-light: #f0d0a0;
    --color-gold-dark: #d4a574;
    --color-gold-deeper: #c89860;
    
    /* 点缀色扩展 - 玫瑰金（用于选中态描边） */
    --color-rose-gold: #e6b7a8;
    
    /* 中性色 */
    --color-gray-dark: #2d1810;
    --color-gray: #4a5568;
    --color-gray-light: #cbd5e0;
    --color-white: #ffffff;
    --color-white-soft: #f7fafc;
    
    /* 渐变 - 香槟金主题 */
    --gradient-primary: linear-gradient(135deg, #000000 0%, #0a0a0a 100%);
    --gradient-gold: linear-gradient(135deg, #e6bf88 0%, #d4a574 50%, #c89860 100%);
    --gradient-gold-light: linear-gradient(135deg, #f0d0a0 0%, #e6bf88 100%);
    
    /* 阴影 - 香槟金发光 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(230, 191, 136, 0.4);
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 字体 */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    --font-heading: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

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

body {
    font-family: var(--font-primary);
    background: var(--color-primary);
    color: var(--color-white-soft);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========== 通用样式 ========== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
    background: linear-gradient(180deg, #1a1a1a 0%, #2a2a2a 50%, #1a1a1a 100%);
}

/* 板块背景变化 - 微妙层次 */
.section:nth-of-type(odd) {
    background: linear-gradient(180deg, #1a1a1a 0%, #2a2a2a 50%, #1a1a1a 100%);
}

.section:nth-of-type(even) {
    background: #000000;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--color-gray-light);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* ========== 导航栏 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.85);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(230, 191, 136, 0.2);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.95);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.navbar-logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.navbar-logo .logo-img {
    height: 45px;
    width: auto;
    display: block;
    transition: all var(--transition-fast);
}

.navbar-logo:hover {
    transform: scale(1.05);
}

.navbar-logo:hover .logo-img {
    filter: brightness(1.1);
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.navbar-menu li a {
    color: var(--color-white-soft);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    padding: 0.65rem 1.5rem;
    border-radius: 50px;
    transition: all var(--transition-normal);
    position: relative;
}

.navbar-menu li a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
    opacity: 0;
}

.navbar-menu li a:hover {
    color: var(--color-white);
    background: rgba(230, 191, 136, 0.15);
    transform: translateY(-1px);
}

.navbar-menu li a:hover::before {
    width: 80%;
    opacity: 0;
}

.navbar-menu li a.active {
    color: #2d1810;
    background: var(--gradient-gold);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(230, 191, 136, 0.3);
}

/* 顶部导航 CTA 按钮（联系我们） */
.navbar-menu li a.navbar-cta {
    background: transparent;
    border: 1px solid rgba(230, 191, 136, 0.6);
    color: var(--color-white-soft);
    font-weight: 600;
}
.navbar-menu li a.navbar-cta:hover {
    color: var(--color-white);
    background: rgba(230, 191, 136, 0.12);
    transform: translateY(-1px);
}
.navbar-menu li a.navbar-cta.active {
    color: #2d1810;
    background: var(--gradient-gold);
    box-shadow: 0 4px 12px rgba(230, 191, 136, 0.3);
}

/* 移动端菜单按钮 */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.navbar-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-white);
    border-radius: 3px;
    transition: all var(--transition-normal);
}

/* ========== 按钮样式 ========== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #e6bf88 0%, #d4a574 50%, #c89860 100%);
    color: #2d1810;
    box-shadow: 0 4px 15px rgba(230, 191, 136, 0.35);
    font-weight: 700;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(230, 191, 136, 0.55), 0 0 40px rgba(230, 191, 136, 0.35);
    background: linear-gradient(135deg, #f0d0a0 0%, #e6bf88 50%, #d4a574 100%);
    color: #2d1810;
}

.btn-outline {
    background: transparent;
    color: #e6bf88;
    border: 2px solid #e6bf88;
}

.btn-outline:hover {
    background: linear-gradient(135deg, #e6bf88 0%, #d4a574 100%);
    color: #2d1810;
    transform: translateY(-3px);
    box-shadow: 0 4px 20px rgba(230, 191, 136, 0.45);
}

/* 增强按钮效果 */
.btn-enhanced {
    position: relative;
    z-index: 1;
}

.btn-enhanced span {
    position: relative;
    z-index: 2;
}

.btn-enhanced .btn-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    z-index: 1;
}

.btn-enhanced:hover .btn-glow {
    width: 300px;
    height: 300px;
}

.btn-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

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

/* ========== 卡片样式 ========== */
.card {
    background: rgba(255, 255, 255, 0.05);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-gold);
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: -1;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(230, 191, 136, 0.3);
    border-color: rgba(230, 191, 136, 0.5);
}

/* ========== 新闻外链徽标 ========== */
.external-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 8px;
    border: 1px dashed rgba(230, 191, 136, 0.35);
    border-radius: 999px;
    font-size: 12px;
    color: var(--color-gold);
    background: rgba(230, 191, 136, 0.08);
}
.external-badge .external-icon {
    font-weight: 700;
    line-height: 1;
}
.news-card .external-badge { /* 保证与新闻卡片对齐风格一致 */
    opacity: 0.95;
}

/* 禁用特定卡片的悬停发光与位移效果 */
.card.no-hover:hover {
    transform: none;
    box-shadow: none;
    border-color: rgba(255, 255, 255, 0.1);
}

/* 联系页公司卡片标题使用与“联系我们”相同的金色 */
.location-card h3,
.location-card .location-name {
    color: var(--color-gold);
}

.card:hover::before {
    opacity: 0.1;
}

/* ========== Hero区域 - 金橙主题 ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: 
        radial-gradient(ellipse at center, #2a2a2a 0%, #1a1a1a 50%, #0a0a0a 100%),
        #050505;
    overflow: hidden;
}

/* 背景渐变层1 - 已禁用 */
.hero::before {
    display: none;
}

/* 背景渐变层2 - 已禁用 */
.hero::after {
    display: none;
}

@keyframes bg-shift {
    0%, 100% { 
        opacity: 1;
        transform: scale(1);
    }
    50% { 
        opacity: 0.8;
        transform: scale(1.1);
    }
}

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

/* 背景装饰图案 - 简化为微妙点状 */
.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.015;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(64, 156, 255, 0.3) 1px, transparent 1px),
        radial-gradient(circle at 75% 75%, rgba(168, 85, 247, 0.3) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 1;
}

/* 中心圆形 - 使用图片（无任何效果） */
.hero-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 900px;
    height: 900px;
    background-image: url('../tupian/yuan.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    pointer-events: none;
    z-index: 2;
}

/* 光效元素 - 已全部禁用 */
.hero-glow {
    display: none;
}

.hero-glow-1 {
    display: none;
}

.hero-glow-2 {
    display: none;
}

.hero-glow-3 {
    display: none;
}

@keyframes glow-pulse-1 {
    0%, 100% {
        opacity: 0.7;
        transform: translate(0, 0) scale(1);
    }
    50% {
        opacity: 1;
        transform: translate(3%, 3%) scale(1.08);
    }
}

@keyframes glow-pulse-2 {
    0%, 100% {
        opacity: 0.65;
        transform: translate(0, 0) scale(1);
    }
    50% {
        opacity: 0.95;
        transform: translate(-3%, -3%) scale(1.1);
    }
}

@keyframes glow-pulse-3 {
    0%, 100% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.9;
        transform: translate(-50%, -50%) scale(1.12);
    }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 10;
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(135deg, 
        #ffffff 0%, 
        #f5f5f5 20%,
        #e6bf88 50%,
        #d4a574 80%,
        #c89860 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: rgba(230, 191, 136, 0.95);
    margin-bottom: 2.5rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.4s both;
}

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

/* ========== 业务模块网格 ========== */
.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: var(--spacing-lg);
}

.business-card {
    background: rgba(255, 255, 255, 0.03);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.business-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-gold);
    opacity: 0;
    transition: all var(--transition-normal);
}

.business-card:hover::before {
    opacity: 0.1;
}

.business-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 20px 40px rgba(230, 191, 136, 0.4);
    border-color: var(--color-gold);
}

.business-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.business-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(230, 191, 136, 0.3));
    transition: all var(--transition-normal);
}

.business-card:hover .business-icon img {
    filter: drop-shadow(0 0 20px rgba(230, 191, 136, 0.6));
    transform: scale(1.1);
}

.business-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-white);
    position: relative;
    z-index: 1;
}

.business-card p {
    color: var(--color-gray-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.business-card a {
    color: var(--color-gold);
    text-decoration: none;
    font-weight: 600;
    position: relative;
    z-index: 1;
    transition: all var(--transition-normal);
}

.business-card a:hover {
    color: var(--color-gold-light);
}

/* ========== 底部 ========== */
.footer {
    background: var(--color-dark);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: var(--spacing-md);
}

.footer-section h3 {
    color: var(--color-white);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.footer-section p,
.footer-section a {
    color: var(--color-gray-light);
    text-decoration: none;
    line-height: 2;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--color-gold);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-gray-light);
}

/* ========== 语言切换器 ========== */
.language-switcher {
    position: fixed;
    top: 110px;
    right: 30px;
    z-index: 998;
    display: flex;
    gap: 0.5rem;
    background: rgba(0, 0, 0, 0.8);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    padding: 0.5rem;
    border-radius: 25px;
    border: 1px solid rgba(230, 191, 136, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.lang-btn {
    padding: 0.4rem 1rem;
    border: none;
    background: transparent;
    color: var(--color-gray-light);
    cursor: pointer;
    border-radius: 20px;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
    font-weight: 500;
}

.lang-btn:hover {
    color: var(--color-gold);
    background: rgba(230, 191, 136, 0.1);
}

.lang-btn.active {
    background: var(--gradient-gold);
    color: #2d1810;
    font-weight: 600;
}

/* 隐藏Google Translate默认工具栏 */
.goog-te-banner-frame {
    display: none !important;
}

body {
    top: 0 !important;
}

.goog-te-gadget {
    display: none;
}

/* 移动端语言切换器调整 */
@media (max-width: 768px) {
    .language-switcher {
        top: 85px;
        right: 20px;
        padding: 0.4rem;
    }
    
    .lang-btn {
        padding: 0.3rem 0.8rem;
        font-size: 0.85rem;
    }
}

/* ========== 页面加载动画 ========== */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.4s ease-out, visibility 0.4s ease-out;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

/* 防止加载器淡出时的重影 */
body:not(.content-ready) .container,
body:not(.content-ready) .hero,
body:not(.content-ready) .section {
    opacity: 0;
}

body.content-ready .container,
body.content-ready .hero,
body.content-ready .section {
    animation: contentFadeIn 0.4s ease-out forwards;
}

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

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

.loader-logo {
    margin-bottom: 2rem;
    animation: pulse 1.5s ease-in-out infinite;
    display: flex;
    justify-content: center;
    align-items: center;
}

.loader-logo .loader-logo-img {
    height: 80px;
    width: auto;
    display: block;
    filter: brightness(1.2);
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(230, 191, 136, 0.2);
    border-top-color: var(--color-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* ========== 表单验证样式 ========== */
.form-group {
    position: relative;
}

.form-group.error input,
.form-group.error textarea {
    border-color: #ff4444;
}

.form-group.success input,
.form-group.success textarea {
    border-color: var(--color-gold);
}

.form-error {
    color: #ff4444;
    font-size: 0.85rem;
    margin-top: 0.3rem;
    display: none;
}

.form-group.error .form-error {
    display: block;
}

.form-success {
    background: rgba(230, 191, 136, 0.1);
    border: 1px solid var(--color-gold);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1rem;
    color: var(--color-gold);
    display: none;
}

.form-success.show {
    display: block;
}

/* ========== 返回顶部按钮 ========== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
    box-shadow: 0 4px 15px rgba(230, 191, 136, 0.3);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(230, 191, 136, 0.5);
}

.back-to-top::before {
    content: '↑';
    color: #2d1810;
    font-size: 1.5rem;
    font-weight: bold;
}

/* ========== 响应式设计 ========== */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .navbar-logo .logo-img {
        height: 36px;
    }
    
    .loader-logo .loader-logo-img {
        height: 60px;
    }
    
    .navbar-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: linear-gradient(180deg, rgba(26, 26, 46, 0.98) 0%, rgba(15, 15, 30, 0.98) 100%);
        -webkit-backdrop-filter: blur(20px);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: 2rem 1.5rem;
        transition: left var(--transition-normal);
        overflow-y: auto;
        gap: 0;
    }
    
    .navbar-menu.active {
        left: 0;
        animation: slideInMenu 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    @keyframes slideInMenu {
        from {
            left: -100%;
            opacity: 0;
        }
        to {
            left: 0;
            opacity: 1;
        }
    }
    
    /* 菜单项li元素 */
    .navbar-menu li {
        margin-bottom: 0.8rem;
        animation: fadeInUp 0.5s ease-out backwards;
    }
    
    /* 为每个菜单项添加延迟动画 */
    .navbar-menu li:nth-child(1) { animation-delay: 0.1s; }
    .navbar-menu li:nth-child(2) { animation-delay: 0.15s; }
    .navbar-menu li:nth-child(3) { animation-delay: 0.2s; }
    .navbar-menu li:nth-child(4) { animation-delay: 0.25s; }
    .navbar-menu li:nth-child(5) { animation-delay: 0.3s; }
    .navbar-menu li:nth-child(6) { animation-delay: 0.35s; }
    .navbar-menu li:nth-child(7) { animation-delay: 0.4s; }
    .navbar-menu li:nth-child(8) { animation-delay: 0.45s; }
    
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    /* 菜单项链接卡片式设计 */
    .navbar-menu li a {
        display: block;
        position: relative;
        padding: 1.2rem 1.5rem;
        background: linear-gradient(135deg, rgba(230, 191, 136, 0.08) 0%, rgba(230, 191, 136, 0.03) 100%);
        border: 1px solid rgba(230, 191, 136, 0.15);
        border-radius: 16px;
        color: var(--color-white);
        font-size: 1.1rem;
        font-weight: 500;
        text-align: left;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        overflow: hidden;
    }
    
    /* 菜单项图标（使用伪元素） */
    .navbar-menu li a::before {
        content: '';
        position: absolute;
        left: 1.5rem;
        top: 50%;
        transform: translateY(-50%);
        width: 6px;
        height: 6px;
        background: var(--color-gold);
        border-radius: 50%;
        opacity: 0;
        transition: all 0.3s ease;
    }
    
    /* 菜单项悬停效果 */
    .navbar-menu li a:hover,
    .navbar-menu li a:active {
        background: linear-gradient(135deg, rgba(230, 191, 136, 0.15) 0%, rgba(230, 191, 136, 0.08) 100%);
        border-color: rgba(230, 191, 136, 0.3);
        transform: translateX(8px);
        box-shadow: 0 8px 24px rgba(230, 191, 136, 0.15);
    }
    
    .navbar-menu li a:hover::before,
    .navbar-menu li a:active::before {
        opacity: 1;
        left: 1rem;
    }
    
    /* 当前激活的菜单项 */
    .navbar-menu li a.active {
        background: linear-gradient(135deg, rgba(230, 191, 136, 0.2) 0%, rgba(230, 191, 136, 0.1) 100%);
        border-color: rgba(230, 191, 136, 0.4);
        color: var(--color-gold);
        font-weight: 600;
    }
    
    .navbar-menu li a.active::before {
        opacity: 1;
        left: 1rem;
        width: 8px;
        height: 8px;
    }
    
    /* 特殊按钮样式（首页、联系我们） */
    .navbar-menu li:first-child a,
    .navbar-menu li:last-child a,
    .navbar-menu li a.navbar-cta {
        background: linear-gradient(135deg, var(--color-gold) 0%, #d4a574 100%);
        border: none;
        color: var(--color-dark);
        font-weight: 600;
        box-shadow: 0 4px 16px rgba(230, 191, 136, 0.3);
    }
    
    .navbar-menu li:first-child a:hover,
    .navbar-menu li:last-child a:hover,
    .navbar-menu li a.navbar-cta:hover,
    .navbar-menu li:first-child a:active,
    .navbar-menu li:last-child a:active,
    .navbar-menu li a.navbar-cta:active {
        background: linear-gradient(135deg, #f0c992 0%, var(--color-gold) 100%);
        transform: translateX(8px) scale(1.02);
        box-shadow: 0 8px 24px rgba(230, 191, 136, 0.4);
    }
    
    .navbar-toggle {
        display: flex;
    }
    
    .navbar-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .navbar-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .navbar-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .business-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .section {
        padding: var(--spacing-md) 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.8rem 2rem;
        font-size: 0.9rem;
    }
}

/* ========== 联系我们表单（共享样式） ========== */
.contact-form {
    margin: 3rem auto;
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.05);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

/* 联系我们表单字段样式（与关于我们一致） */
.contact-form .form-group {
    margin-bottom: 1.5rem;
}

.contact-form .form-group label {
    display: block;
    color: var(--color-white);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-form .form-group input,
.contact-form .form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.contact-form .form-group input:focus,
.contact-form .form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 15px rgba(230, 191, 136, 0.3);
}

.contact-form .form-group textarea {
    resize: vertical;
    min-height: 150px;
}

@media (max-width: 768px) {
    .form-grid-2 {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .contact-form {
        padding: 1.5rem;
    }
}

/* 仅用于留言卡片：禁用悬停特效 */
.card.no-hover { transition: none; }
.card.no-hover:hover { 
    transform: none; 
    box-shadow: none; 
    border-color: rgba(255, 255, 255, 0.1); 
}
.card.no-hover:hover::before { opacity: 0; }