/* ==================== 全局样式 ==================== */
:root {
    --primary: #8B2D3B; /* 暗红 - Logo主色 */
    --primary-dark: #5C1A26; /* 深红 */
    --primary-light: #B84455; /* 亮红 */
    --secondary: #C9A84C; /* 金色 - 奢华点缀 */
    --secondary-light: #E0C46A;
    --dark: #1A1A2E; /* 深黑�?*/
    --dark-card: #16213E;
    --light: #F8F5F2; /* 暖白 */
    --text: #2D2D3A; /* 文本�?*/
    --text-light: #6B6B7B;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--light);
    overflow-x: hidden;
}

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

/* ==================== 全局Logo水印 ==================== */
.watermark {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

.watermark img {
    width: 600px;
    height: 600px;
    object-fit: contain;
    opacity: 0.07;
    filter: brightness(2.5) saturate(0.3);
    transform: rotate(-12deg);
    user-select: none;
}

/* ==================== 导航�?==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(26, 26, 46, 0.95);
    padding: 10px 0;
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-img {
    width: 48px;
    height: 48px;
    border-radius: 0;
    object-fit: contain;
    border: none;
}

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

.logo-cn {
    font-family: 'Playfair Display', serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 2px;
}

.logo-en {
    font-size: 11px;
    color: var(--secondary);
    letter-spacing: 3px;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1px;
    transition: var(--transition);
    position: relative;
    padding: 5px 0;
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* 语言切换按钮 */
.lang-switch {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(201, 168, 76, 0.4);
    color: var(--secondary);
    padding: 8px 16px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 1px;
}

.lang-switch:hover {
    background: var(--secondary);
    color: var(--dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(201, 168, 76, 0.3);
}

.lang-switch i {
    font-size: 14px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: var(--transition);
}

/* ==================== 首页横幅 ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1494412576-06d9a28a4b2a?w=1920&q=80') center/cover no-repeat;
    opacity: 0.1;
    z-index: 1;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    background: rgba(139, 45, 59, 0.3);
    color: var(--secondary);
    padding: 10px 32px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 6px;
    margin-bottom: 30px;
    border: 1px solid rgba(201, 168, 76, 0.3);
    animation: fadeInDown 1s ease;
    white-space: nowrap;
}

.hero-title {
    margin-bottom: 30px;
    animation: fadeInUp 1s ease 0.2s both;
}

.title-cn {
    display: block;
    font-family: 'Zhi Mang Xing', cursive;
    font-size: 110px;
    font-weight: 400;
    letter-spacing: 16px;
    line-height: 1.1;
    margin-bottom: 15px;
    color: var(--white);
    text-shadow:
        0 0 1px var(--white),
        0 0 2px var(--white),
        0 0 4px rgba(201, 168, 76, 0.8),
        0 0 8px rgba(201, 168, 76, 0.6),
        0 0 16px rgba(201, 168, 76, 0.4),
        0 0 32px rgba(201, 168, 76, 0.2),
        3px 3px 0px rgba(139, 45, 59, 0.5),
        -1px -1px 0px rgba(139, 45, 59, 0.3);
}

.title-en {
    display: block;
    font-family: 'Permanent Marker', cursive;
    font-size: 54px;
    font-weight: 400;
    letter-spacing: 6px;
    color: var(--secondary);
}

.hero-slogan-cn {
    font-family: 'Zhi Mang Xing', cursive;
    font-size: 32px;
    font-weight: 400;
    letter-spacing: 4px;
    margin-bottom: 10px;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-slogan-en {
    font-family: 'Satisfy', cursive;
    font-size: 22px;
    font-weight: 400;
    letter-spacing: 3px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 50px;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-bottom: 50px;
    animation: fadeInUp 1s ease 0.8s both;
}

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

.stat-item i {
    font-size: 24px;
    color: var(--secondary);
    margin-bottom: 10px;
    display: block;
}

.stat-number {
    display: block;
    font-size: 38px;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease 1s both;
}

.btn {
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    letter-spacing: 1px;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: none;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary), #E0C46A);
    color: var(--dark);
    box-shadow: 0 10px 30px rgba(201, 168, 76, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(201, 168, 76, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
    transform: translateY(-3px);
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    text-align: center;
    z-index: 3;
    animation: bounce 2s infinite;
}

.hero-scroll span {
    display: block;
    font-size: 12px;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.hero-scroll i {
    font-size: 20px;
}

/* ==================== 关于我们 ==================== */
.about {
    padding: 120px 0;
    background: var(--white);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(180deg, var(--light) 0%, var(--white) 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    padding: 8px 24px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.section-header.light .section-tag {
    background: linear-gradient(135deg, var(--secondary), #E0C46A);
    color: var(--dark);
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 44px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.section-header.light .section-title {
    color: var(--white);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text);
    letter-spacing: 1px;
}

.section-header.light .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.about-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: center;
}

.about-logo {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 800px;
}

.about-logo img {
    width: 280px;
    height: 280px;
    border-radius: 0;
    object-fit: contain;
    border: none;
    /* �?drop-shadow 跟随Logo形状，无方框 */
    filter: drop-shadow(3px 3px 0px rgba(201, 168, 76, 0.55))
            drop-shadow(6px 6px 0px rgba(201, 168, 76, 0.42))
            drop-shadow(9px 9px 0px rgba(201, 168, 76, 0.3))
            drop-shadow(12px 12px 0px rgba(201, 168, 76, 0.2))
            drop-shadow(15px 15px 16px rgba(201, 168, 76, 0.15));
    animation: floatLogo 6s ease-in-out infinite;
    transform-style: preserve-3d;
}

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

.about-intro p:first-child {
    font-size: 18px;
    font-weight: 500;
    color: var(--dark);
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.value-card {
    background: var(--light);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(139, 45, 59, 0.1);
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary);
}

.value-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--secondary);
    margin: 0 auto 20px;
    box-shadow: 0 10px 30px rgba(139, 45, 59, 0.2);
}

.value-card h4 {
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 15px;
    font-weight: 600;
}

.value-card p {
    font-size: 15px;
    color: var(--text);
    line-height: 1.6;
}

/* ==================== 服务项目 ==================== */
.services {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1558618666-fcd2c57d8f56?w=1920&q=80') center/cover no-repeat;
    opacity: 0.05;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
}

.service-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    background: var(--white);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--secondary);
    margin: 0 auto 25px;
    box-shadow: 0 10px 30px rgba(139, 45, 59, 0.2);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(10deg);
}

.service-card h3 {
    font-size: 22px;
    color: var(--primary);
    margin-bottom: 15px;
    font-weight: 600;
}

.service-card p {
    font-size: 15px;
    color: var(--text);
    line-height: 1.6;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    text-align: left;
}

.service-features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-features li i {
    color: var(--secondary);
    font-size: 12px;
}

/* ==================== 物流追踪 ==================== */
.tracking {
    padding: 120px 0;
    background: var(--light);
}

.tracking-content {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.tracking-links-section {
    background: var(--white);
    padding: 50px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.tracking-links-section h3 {
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.link-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: var(--light);
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid rgba(139, 45, 59, 0.1);
}

.link-card:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow);
    border-color: var(--secondary);
}

.link-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--secondary);
    flex-shrink: 0;
}

.link-info {
    flex: 1;
}

.link-info h4 {
    font-size: 15px;
    color: var(--primary);
    margin-bottom: 2px;
    font-weight: 600;
}

.link-info p {
    font-size: 12px;
    color: var(--text);
}

.link-btn {
    padding: 8px 18px;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.link-btn:hover {
    background: var(--secondary);
    color: var(--dark);
}

.tracking-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.tracking-info .info-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.tracking-info .info-card:hover {
    transform: translateY(-10px);
}

.tracking-info .info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary), #E0C46A);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--dark);
    margin: 0 auto 20px;
}

.tracking-info .info-card h4 {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 10px;
    font-weight: 600;
}

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

/* ==================== 公司宣传图片 ==================== */
.gallery {
    padding: 120px 0;
    background: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 250px);
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

.gallery-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

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

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(0deg, rgba(139, 45, 59, 0.9) 0%, transparent 100%);
    color: var(--white);
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h4 {
    font-size: 20px;
    margin-bottom: 5px;
    font-weight: 600;
}

.gallery-overlay p {
    font-size: 14px;
    opacity: 0.9;
}

/* ==================== 联系我们 ==================== */
.contact {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1436491865332-7c61a26d2b69?w=1920&q=80') center/cover no-repeat;
    opacity: 0.05;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.contact-info .info-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 30px 20px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.contact-info .info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    background: var(--white);
}

.contact-info .info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary), #E0C46A);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--dark);
    margin: 0 auto 20px;
}

.contact-info .info-card h4 {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 15px;
    font-weight: 600;
}

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

.address-cn {
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 13px;
}

.address-en {
    font-size: 12px;
    color: var(--text);
    opacity: 0.8;
    line-height: 1.5;
}

.contact-info .info-card a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.contact-info .info-card a:hover {
    color: var(--secondary);
}

.contact-form {
    background: rgba(255, 255, 255, 0.95);
    padding: 50px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.contact-form h3 {
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-form h3 i {
    color: var(--secondary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid rgba(139, 45, 59, 0.1);
    border-radius: var(--radius);
    font-size: 16px;
    transition: var(--transition);
    font-family: 'Montserrat', sans-serif;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(139, 45, 59, 0.1);
}

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

.submit-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: 'Montserrat', sans-serif;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(139, 45, 59, 0.3);
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo {
    max-width: 300px;
}

.footer-logo-img {
    width: 80px;
    height: 80px;
    border-radius: 0;
    margin-bottom: 20px;
    border: none;
}

.footer-logo .logo-text {
    margin-bottom: 15px;
}

.footer-slogan {
    font-size: 16px;
    color: var(--secondary);
    letter-spacing: 2px;
    margin-bottom: 5px;
}

.footer-slogan-en {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
    letter-spacing: 1px;
}

.footer-links h4,
.footer-services h4,
.footer-contact h4 {
    font-size: 18px;
    color: var(--secondary);
    margin-bottom: 25px;
    font-weight: 600;
    letter-spacing: 1px;
}

.footer-links a,
.footer-services a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 12px;
    transition: var(--transition);
    font-size: 15px;
}

.footer-links a:hover,
.footer-services a:hover {
    color: var(--secondary);
    transform: translateX(5px);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact p i {
    color: var(--secondary);
    width: 20px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-contact a:hover {
    color: var(--secondary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.footer-social {
    display: flex;
    gap: 15px;
}

.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);
    font-size: 18px;
}

.social-link:hover {
    background: var(--secondary);
    color: var(--dark);
    transform: translateY(-5px);
}

/* ==================== 返回顶部 ==================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 5px 20px rgba(139, 45, 59, 0.3);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(139, 45, 59, 0.5);
}

/* ==================== 动画 ==================== */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-10px) translateX(-50%);
    }
    60% {
        transform: translateY(-5px) translateX(-50%);
    }
}

@keyframes floatLogo {
    0%, 100% {
        transform: translateY(0) rotateY(-3deg) rotateX(2deg);
    }
    50% {
        transform: translateY(-15px) rotateY(3deg) rotateX(-2deg);
    }
}

/* ==================== 管理面板样式 ==================== */
.admin-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.admin-panel {
    background: white;
    border-radius: 20px;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px;
    border-bottom: 1px solid #e2e8f0;
}

.admin-header h2 {
    color: var(--primary);
    font-size: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-close {
    width: 40px;
    height: 40px;
    border: none;
    background: #f7fafc;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    color: #2d3748;
    transition: all 0.3s ease;
}

.admin-close:hover {
    background: #e2e8f0;
    transform: rotate(90deg);
}

.admin-content {
    padding: 30px;
}

.admin-add {
    margin-bottom: 40px;
}

.admin-add h3, .admin-list h3 {
    color: var(--primary);
    font-size: 18px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.admin-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.admin-input {
    padding: 12px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 14px;
    font-family: 'Montserrat', sans-serif;
    transition: all 0.3s ease;
}

.admin-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(139, 45, 59, 0.1);
}

.admin-btn {
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: 'Montserrat', sans-serif;
}

.admin-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(139, 45, 59, 0.3);
}

.admin-link-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: #f7fafc;
    border-radius: 10px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.admin-link-item:hover {
    background: #edf2f7;
}

.admin-link-info {
    flex: 1;
}

.admin-link-info strong {
    display: block;
    color: var(--primary);
    margin-bottom: 5px;
}

.admin-link-info small {
    color: #718096;
    font-size: 12px;
}

.admin-delete-btn {
    padding: 8px 15px;
    background: #f56565;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
    font-family: 'Montserrat', sans-serif;
}

.admin-delete-btn:hover {
    background: #c53030;
    transform: translateY(-2px);
}

/* ==================== 响应式设�?==================== */
@media (max-width: 1024px) {
    .about-main {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-logo img {
        width: 200px;
        height: 200px;
    }

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

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

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

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

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

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

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background: var(--dark);
        flex-direction: column;
        padding: 80px 30px;
        transition: var(--transition);
        z-index: 999;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .lang-switch {
        padding: 6px 12px;
        font-size: 12px;
    }

    .title-cn {
        font-size: 72px;
        letter-spacing: 10px;
    }

    .title-en {
        font-size: 44px;
        letter-spacing: 3px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .about-values {
        grid-template-columns: 1fr;
    }

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

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 200px);
    }

    .gallery-item.large {
        grid-column: span 2;
        grid-row: span 1;
    }

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

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

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

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .title-cn {
        font-size: 54px;
        letter-spacing: 6px;
    }

    .title-en {
        font-size: 38px;
        letter-spacing: 2px;
    }

    .hero-badge {
        font-size: 14px;
        padding: 8px 16px;
        letter-spacing: 2px;
    }

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

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

    .gallery-item.large {
        grid-column: span 1;
    }

    .about-logo img {
        width: 160px;
        height: 160px;
    }

    .tracking-links-section {
        padding: 30px 20px;
    }
}