/* ========================================
   全局样式和CSS变量
   ======================================== */
:root {
    /* 颜色系统 - 受景德镇青花瓷启发 */
    --primary-color: #2c5aa0;
    --primary-dark: #1a3d6b;
    --primary-light: #5a8fd3;
    --secondary-color: #d4af37;
    --accent-color: #8b4513;

    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-light: #767676;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #2a2a2a;

    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, #2c5aa0 0%, #5a8fd3 100%);
    --gradient-gold: linear-gradient(135deg, #d4af37 0%, #f4e5b1 100%);
    --gradient-overlay: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.6));

    /* 字体 */
    --font-serif: 'Noto Serif SC', 'STSong', serif;
    --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;

    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* 阴影 */
    --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);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.2);

    /* 动画时长 */
    --transition-fast: 0.2s;
    --transition-normal: 0.3s;
    --transition-slow: 0.5s;

    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* ========================================
   基础重置和排版
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    line-height: 1.7;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    margin-bottom: 1rem;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all var(--transition-normal) ease;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal) ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.98);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 2px;
}

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

.nav-link {
    font-size: 1rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    position: relative;
    transition: all var(--transition-normal) ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal) ease;
}

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

.nav-link:hover::after {
    width: 80%;
}

/* 移动端菜单按钮 */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
    transition: all var(--transition-normal) ease;
}

/* ========================================
   英雄区
   ======================================== */
.hero {
    height: 100vh;
    min-height: 600px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #7e8ba3 100%);
    background-image:
        linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.5)),
        url('https://images.unsplash.com/photo-1610295770837-05d4e59f9beb?w=1920');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    padding: var(--spacing-md);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 4px 8px rgba(0,0,0,0.3);
    letter-spacing: 0.05em;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    text-shadow: 1px 2px 4px rgba(0,0,0,0.3);
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 500;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal) ease;
    border: 2px solid transparent;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.6);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255,255,255,0.8);
    border-radius: 15px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 10px;
    background: rgba(255,255,255,0.8);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; top: 10px; }
    100% { opacity: 0; top: 30px; }
}

/* 淡入动画 */
.fade-in {
    animation: fadeInUp 1s ease-out;
}

.fade-in-delay {
    animation: fadeInUp 1s ease-out 0.3s backwards;
}

.fade-in-delay-2 {
    animation: fadeInUp 1s ease-out 0.6s backwards;
}

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

/* ========================================
   通用节标题样式
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.section-decoration {
    width: 80px;
    height: 4px;
    background: var(--gradient-gold);
    margin: var(--spacing-sm) auto;
    border-radius: 2px;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   历史传说时间轴
   ======================================== */
.history {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(to bottom, var(--bg-white) 0%, var(--bg-light) 50%, var(--bg-white) 100%);
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.timeline-item:nth-child(even) .timeline-content {
    grid-column: 1;
    grid-row: 1;
}

.timeline-item:nth-child(even) .timeline-content {
    text-align: right;
}

.timeline-icon {
    grid-column: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.timeline-dot {
    width: 24px;
    height: 24px;
    background: white;
    border: 4px solid var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 0 8px rgba(44, 90, 160, 0.1);
    transition: all var(--transition-normal) ease;
}

.timeline-item:hover .timeline-dot {
    transform: scale(1.3);
    box-shadow: 0 0 0 12px rgba(44, 90, 160, 0.2);
}

.timeline-content {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal) ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.timeline-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

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

.timeline-content:hover .timeline-image img {
    transform: scale(1.1);
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========================================
   品牌故事
   ======================================== */
.brand {
    padding: var(--spacing-xl) 0;
    background: white;
}

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

.brand-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.brand-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.brand-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: var(--spacing-md);
}

.brand-stats {
    display: flex;
    justify-content: space-around;
    color: white;
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-serif);
    margin-bottom: 0.5rem;
}

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

.brand-text h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.brand-text > p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.9;
}

.story-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal) ease;
}

.story-item:hover {
    background: white;
    box-shadow: var(--shadow-md);
    transform: translateX(10px);
}

.story-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.story-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.story-item p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* ========================================
   代表作品画廊
   ======================================== */
.works {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.work-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal) ease;
}

.work-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.work-image {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
}

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

.work-item:hover .work-image img {
    transform: scale(1.15);
}

.work-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-overlay);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-md);
    opacity: 0;
    transition: opacity var(--transition-normal) ease;
}

.work-item:hover .work-overlay {
    opacity: 1;
}

.work-info {
    color: white;
    transform: translateY(20px);
    transition: transform var(--transition-normal) ease;
}

.work-item:hover .work-info {
    transform: translateY(0);
}

.work-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: white;
}

.work-info p {
    font-size: 1rem;
    opacity: 0.9;
    margin: 0;
}

/* ========================================
   DIY体验套餐
   ======================================== */
.diy {
    padding: var(--spacing-xl) 0;
    background: white;
}

.diy-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.9;
}

.packages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.package-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal) ease;
    position: relative;
}

.package-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.package-card.featured {
    border: 3px solid var(--secondary-color);
}

.package-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.package-badge.popular {
    background: var(--gradient-gold);
    color: var(--text-primary);
}

.package-image {
    height: 250px;
    overflow: hidden;
}

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

.package-card:hover .package-image img {
    transform: scale(1.1);
}

.package-content {
    padding: var(--spacing-md);
}

.package-content h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.package-price {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    font-family: var(--font-serif);
}

.price-unit {
    font-size: 1rem;
    color: var(--text-light);
}

.package-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.package-features li {
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--bg-light);
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.package-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.package-btn {
    display: block;
    width: 100%;
    padding: 1rem;
    text-align: center;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all var(--transition-normal) ease;
    box-shadow: var(--shadow-sm);
}

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

/* DIY画廊 */
.diy-gallery {
    margin-top: var(--spacing-xl);
}

.diy-gallery h3 {
    text-align: center;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal) ease;
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ========================================
   联系我们
   ======================================== */
.contact {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal) ease;
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.contact-details h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.contact-details p {
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}

.wechat-id {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 1px;
}

.contact-note {
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
}

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

.qr-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: all var(--transition-normal) ease;
}

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

.qr-image {
    width: 200px;
    height: 200px;
    margin: 0 auto var(--spacing-sm);
    border: 4px solid var(--primary-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

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

.qr-label {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.qr-id {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 1px;
}

.qr-tips {
    border-top: 2px solid var(--bg-light);
    padding-top: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.qr-tips p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0.3rem;
}

.map-container {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.map-placeholder {
    height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.map-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
}

.map-placeholder p {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.map-note {
    font-size: 1rem;
    opacity: 0.9;
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: white;
}

.footer-section p {
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.7rem;
    color: rgba(255,255,255,0.8);
}

.footer-section ul li a {
    color: rgba(255,255,255,0.8);
    transition: all var(--transition-normal) ease;
}

.footer-section ul li a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-social {
    margin-top: var(--spacing-sm);
}

.wechat-hint {
    font-family: var(--font-serif);
    font-weight: 700;
    color: var(--secondary-color);
    font-size: 1.1rem;
    letter-spacing: 1px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: rgba(255,255,255,0.6);
}

/* ========================================
   返回顶部按钮
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal) ease;
    z-index: 999;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ========================================
   响应式设计 - 平板
   ======================================== */
@media (max-width: 1024px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .brand-content {
        grid-template-columns: 1fr;
    }

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

    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        grid-template-columns: auto 1fr;
        gap: var(--spacing-md);
    }

    .timeline-item:nth-child(even) .timeline-content {
        grid-column: 2;
        text-align: left;
    }

    .timeline-icon {
        grid-column: 1;
    }
}

/* ========================================
   响应式设计 - 手机
   ======================================== */
@media (max-width: 768px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }

    .nav-container {
        height: 70px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: white;
        padding: var(--spacing-md);
        gap: 0;
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        transition: transform var(--transition-normal) ease;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-link {
        padding: 1rem;
        border-bottom: 1px solid var(--bg-light);
    }

    .hero {
        min-height: 500px;
        background-attachment: scroll;
    }

    .hero-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

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

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

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

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

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }

    .timeline {
        padding-left: 50px;
    }

    .qr-image {
        width: 180px;
        height: 180px;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 1.2rem;
    }

    .section-header {
        margin-bottom: var(--spacing-md);
    }

    .package-price {
        flex-direction: column;
        gap: 0;
    }

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