/* ========================================
   享玩旅居官网 - 全局样式表
   温暖、高端、有品质感，适合银发人群
   ======================================== */

/* CSS Variables */
:root {
    /* 主色调 */
    --primary-orange: #D35400;
    --primary-orange-light: #E67E22;
    --primary-orange-dark: #A04000;
    
    /* 辅助色 */
    --green-yunnan: #2D5016;
    --green-light: #4A7C23;
    --green-soft: #6B8E23;
    
    /* 大地色系 */
    --earth-brown: #8B5A2B;
    --earth-sand: #C4A35A;
    --earth-cream: #F5E6C8;
    
    /* 中性色 */
    --white: #FFFFFF;
    --off-white: #FDFBF7;
    --gray-light: #F8F6F3;
    --gray: #6B6B6B;
    --gray-dark: #3D3D3D;
    --black: #1A1A1A;
    
    /* 字体 */
    --font-primary: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
    --font-serif: "Songti SC", "SimSun", serif;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.12);
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray-dark);
    background-color: var(--off-white);
    min-height: 100vh;
}

/* 辅助类 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title h2 {
    font-size: 2.25rem;
    font-weight: 600;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-sm);
}

.section-title p {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

.section-title .subtitle {
    display: block;
    font-size: 0.875rem;
    color: var(--primary-orange);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-xs);
}

/* 头部导航 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-light) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-dark);
    line-height: 1.2;
}

.logo-tagline {
    font-size: 0.75rem;
    color: var(--gray);
    letter-spacing: 1px;
}

/* 导航菜单 */
.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--gray-dark);
    font-size: 1rem;
    font-weight: 500;
    padding: var(--spacing-xs) 0;
    position: relative;
    transition: var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-orange);
    transition: var(--transition-normal);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-cta {
    background: var(--primary-orange);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
}

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

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    cursor: pointer;
    background: none;
    border: none;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-dark);
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--off-white) 0%, var(--earth-cream) 50%, var(--gray-light) 100%);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.15;
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(211, 84, 0, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    color: var(--green-yunnan);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.hero-badge-icon {
    width: 20px;
    height: 20px;
    background: var(--green-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.75rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--gray-dark);
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

.hero h1 span {
    color: var(--primary-orange);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
    line-height: 2;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-orange);
    line-height: 1;
}

.stat-number.stat-text {
    font-size: 1.125rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray);
    margin-top: var(--spacing-xs);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-light) 100%);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(211, 84, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(211, 84, 0, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-dark);
    border: 2px solid var(--gray-light);
}

.btn-secondary:hover {
    border-color: var(--primary-orange);
    color: var(--primary-orange);
}

.hero-visual {
    position: relative;
}

.hero-image {
    width: 100%;
    max-width: 500px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    object-fit: cover;
    aspect-ratio: 4/3;
    transition: var(--transition-slow);
}

.hero-image:hover {
    transform: scale(1.02);
    box-shadow: 0 16px 64px rgba(0, 0, 0, 0.15);
}

/* 权威背书 Section */
.endorsement {
    background: var(--gray-light);
}

.endorsement-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.endorsement-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border-top: 3px solid transparent;
}

.endorsement-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--primary-orange);
}

.endorsement-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.endorsement-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-xs);
}

.endorsement-card p {
    font-size: 0.9375rem;
    color: var(--gray);
    line-height: 1.8;
}

/* Features Section */
.features {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    background: var(--gray-light);
    transition: var(--transition-normal);
}

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

.feature-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-light) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-xs);
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--gray);
}

/* Products Preview */
.products-preview {
    background: var(--off-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.product-card:nth-child(1) .product-image {
    background: linear-gradient(135deg, #2D5016 0%, #4A7C23 50%, #6B8E23 100%);
}

.product-card:nth-child(2) .product-image {
    background: linear-gradient(135deg, #8B5A2B 0%, #C4A35A 50%, #D4AF37 100%);
}

.product-card:nth-child(3) .product-image {
    background: linear-gradient(135deg, #1A5F7A 0%, #57C5B6 50%, #86E3CE 100%);
}

.product-tag {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary-orange);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 2;
}

.product-content {
    padding: var(--spacing-lg);
}

.product-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-xs);
}

.product-subtitle {
    font-size: 0.9375rem;
    color: var(--primary-orange);
    margin-bottom: var(--spacing-sm);
}

.product-description {
    font-size: 0.9375rem;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.product-feature {
    background: var(--gray-light);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    color: var(--gray);
}

/* 基地城市展示 Section */
.cities {
    background: var(--white);
}

.cities-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.city-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    background: var(--white);
}

.city-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.city-image {
    height: 180px;
    overflow: hidden;
    position: relative;
}

.city-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.city-card:hover .city-image img {
    transform: scale(1.08);
}

.city-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--green-yunnan) 0%, var(--green-light) 100%);
    color: var(--white);
    font-size: 2rem;
    font-weight: 700;
}

.city-content {
    padding: var(--spacing-md);
    text-align: center;
}

.city-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-xs);
}

.city-content p {
    font-size: 0.875rem;
    color: var(--gray);
    line-height: 1.6;
}

/* Advantages Section */
.advantages {
    background: var(--off-white);
}

.advantages-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.advantages-text h3 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
}

.advantages-text p {
    font-size: 1.0625rem;
    color: var(--gray);
    line-height: 2;
    margin-bottom: var(--spacing-lg);
}

.advantage-list {
    list-style: none;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
}

.advantage-icon {
    width: 28px;
    height: 28px;
    min-width: 28px;
    background: var(--primary-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.875rem;
}

.advantage-text {
    font-size: 1rem;
    color: var(--gray-dark);
    line-height: 1.6;
}

.advantage-text strong {
    color: var(--gray-dark);
}

.advantages-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.adv-box {
    background: linear-gradient(135deg, var(--green-light) 0%, var(--green-yunnan) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--white);
}

.adv-box:nth-child(2) {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-light) 100%);
}

.adv-box:nth-child(3) {
    background: linear-gradient(135deg, var(--earth-brown) 0%, var(--earth-sand) 100%);
}

.adv-box:nth-child(4) {
    background: linear-gradient(135deg, #1A5F7A 0%, #57C5B6 100%);
}

.adv-number {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.adv-label {
    font-size: 0.9375rem;
    opacity: 0.9;
}

/* Partners Section */
.partners {
    background: var(--gray-light);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-lg);
}

.partner-item {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
    font-weight: 600;
    color: var(--gray);
    font-size: 0.9375rem;
    text-align: center;
    transition: var(--transition-normal);
}

.partner-item:hover {
    box-shadow: var(--shadow-md);
    color: var(--primary-orange);
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--green-yunnan) 0%, var(--green-light) 50%, var(--primary-orange) 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
    z-index: 0;
}

.cta .container {
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta p {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.cta .btn-primary {
    background: var(--white);
    color: var(--primary-orange);
}

.cta .btn-primary:hover {
    background: var(--off-white);
}

/* Footer */
.footer {
    background: var(--gray-dark);
    color: var(--white);
    padding-top: var(--spacing-xxl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-logo-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-orange);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.footer-logo-name {
    font-size: 1.25rem;
    font-weight: 700;
}

.footer-description {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--primary-orange);
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

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

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: var(--transition-fast);
}

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

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact-icon {
    min-width: 20px;
    color: var(--primary-orange);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) 0;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
}

.footer-legal a:hover {
    color: var(--white);
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--green-yunnan) 0%, var(--primary-orange) 100%);
    color: var(--white);
    padding: var(--spacing-xxl) 0;
    padding-top: calc(var(--spacing-xxl) + 80px);
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Contact Page Header with Banner */
.contact-page-header {
    position: relative;
    overflow: hidden;
}

.contact-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('images/contact-banner.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
    z-index: 0;
}

.contact-page-header .container {
    position: relative;
    z-index: 1;
}

/* Products Page */
.products-hero {
    background: linear-gradient(135deg, var(--off-white) 0%, var(--earth-cream) 100%);
}

.products-full {
    background: var(--white);
}

.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
    padding: var(--spacing-xxl) 0;
    border-bottom: 1px solid var(--gray-light);
}

.product-detail:last-child {
    border-bottom: none;
}

.product-detail:nth-child(even) {
    direction: rtl;
}

.product-detail:nth-child(even) > * {
    direction: ltr;
}

.product-detail-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.product-detail-visual {
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: var(--white);
}

.product-detail-visual-img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: var(--transition-slow);
}

.product-detail-image:hover .product-detail-visual-img {
    transform: scale(1.03);
}

.product-detail:nth-child(1) .product-detail-visual {
    background: linear-gradient(135deg, #2D5016 0%, #4A7C23 100%);
}

.product-detail:nth-child(2) .product-detail-visual {
    background: linear-gradient(135deg, #8B5A2B 0%, #C4A35A 100%);
}

.product-detail:nth-child(3) .product-detail-visual {
    background: linear-gradient(135deg, #1A5F7A 0%, #57C5B6 100%);
}

.product-detail-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-xs);
}

.product-detail-subtitle {
    font-size: 1.125rem;
    color: var(--primary-orange);
    margin-bottom: var(--spacing-md);
}

.product-detail-description {
    font-size: 1.0625rem;
    color: var(--gray);
    line-height: 2;
    margin-bottom: var(--spacing-lg);
}

.product-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--gray-light);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.highlight-item:hover {
    background: var(--earth-cream);
}

.highlight-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: var(--primary-orange);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.highlight-text {
    font-size: 0.9375rem;
    color: var(--gray-dark);
}

/* About Page */
.about-intro {
    background: var(--white);
}

.about-intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.about-text h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    font-size: 1.0625rem;
    color: var(--gray);
    line-height: 2;
    margin-bottom: var(--spacing-md);
}

.about-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.about-box {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    color: var(--white);
}

.about-box-primary {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-light) 100%);
}

.about-box-green {
    background: linear-gradient(135deg, var(--green-yunnan) 0%, var(--green-light) 100%);
}

.about-box-brown {
    background: linear-gradient(135deg, var(--earth-brown) 0%, var(--earth-sand) 100%);
}

.about-box-blue {
    background: linear-gradient(135deg, #1A5F7A 0%, #57C5B6 100%);
}

.about-box-number {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.about-box-label {
    font-size: 0.9375rem;
    opacity: 0.9;
}

/* About Team Section */
.about-team {
    background: var(--gray-light);
}

.about-team-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

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

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

.about-team-image:hover img {
    transform: scale(1.03);
}

.about-team-text .subtitle {
    display: block;
    font-size: 0.875rem;
    color: var(--primary-orange);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-xs);
}

.about-team-text h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
}

.about-team-text p {
    font-size: 1.0625rem;
    color: var(--gray);
    line-height: 2;
    margin-bottom: var(--spacing-md);
}

/* Credentials */
.credentials {
    background: var(--white);
}

.credentials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.credential-card {
    background: var(--gray-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.credential-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-light) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--white);
}

.credential-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-xs);
}

.credential-card p {
    font-size: 0.9375rem;
    color: var(--gray);
}

/* Honor Section */
.honor {
    background: var(--off-white);
}

.honor-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.honor-item {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.honor-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.honor-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--spacing-sm);
    background: var(--primary-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
}

.honor-item h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-dark);
}

/* Partners Full */
.partners-full {
    background: var(--gray-light);
}

.partners-category {
    margin-bottom: var(--spacing-xl);
}

.partners-category:last-child {
    margin-bottom: 0;
}

.partners-category h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-sm);
    border-left: 4px solid var(--primary-orange);
}

.partners-category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.partner-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 500;
    color: var(--gray);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 80px;
}

.partner-card:hover {
    box-shadow: var(--shadow-md);
    color: var(--primary-orange);
}

.partner-card-img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

/* Contact Page */
.contact-content {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
}

.contact-info h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
}

.contact-info > p {
    font-size: 1.0625rem;
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
    line-height: 2;
}

.contact-list {
    list-style: none;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--gray-light);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-light) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
}

.contact-item-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-xs);
}

.contact-item-content p {
    font-size: 0.9375rem;
    color: var(--gray);
    line-height: 1.6;
}

.contact-form {
    background: var(--gray-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
}

.contact-form h3 {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--gray-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-fast);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 3px rgba(211, 84, 0, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-submit {
    width: 100%;
}

/* Map Section */
.map-section {
    height: 400px;
    background: var(--gray-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    font-size: 1.125rem;
}

.map-placeholder-icon {
    margin-bottom: 1rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .endorsement-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-content {
        grid-template-columns: 1fr;
    }
    
    .advantages-visual {
        order: -1;
    }
    
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .product-detail {
        grid-template-columns: 1fr;
    }
    
    .product-detail:nth-child(even) {
        direction: ltr;
    }
    
    .about-intro-content {
        grid-template-columns: 1fr;
    }
    
    .about-team-content {
        grid-template-columns: 1fr;
    }
    
    .about-team-image img {
        height: 300px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .honor-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partners-category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xxl: 3rem;
    }
    
    .nav-list {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .header-inner {
        height: 70px;
    }
    
    .hero {
        padding-top: 70px;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }
    
    .stat-item {
        flex: 1 1 40%;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-number.stat-text {
        font-size: 1rem;
    }
    
    .section-title h2 {
        font-size: 1.75rem;
    }
    
    .endorsement-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .cities-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .page-header {
        padding-top: calc(var(--spacing-xxl) + 70px);
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .product-highlights {
        grid-template-columns: 1fr;
    }
    
    .credentials-grid {
        grid-template-columns: 1fr;
    }
    
    .honor-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-category-grid {
        grid-template-columns: 1fr;
    }
    
    .about-team-content {
        grid-template-columns: 1fr;
    }
    
    .about-team-image img {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .cities-grid {
        grid-template-columns: 1fr;
    }
    
    .city-image {
        height: 160px;
    }
    
    .hero h1 {
        font-size: 1.875rem;
    }
    
    .stat-item {
        flex: 1 1 45%;
    }
}

/* Mobile Navigation */
.nav-list.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    gap: var(--spacing-sm);
}

.nav-list.active .nav-link {
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
}

.nav-list.active .nav-link:hover {
    background: var(--gray-light);
}