/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-dark: #2d6a35;
    --primary-green: #4a9c5d;
    --primary-light: #6ab07a;
    --white: #ffffff;
    --gray-light: #f5f7f6;
    --gray: #8a9a8f;
    --text-dark: #2c3e2d;
    --shadow: 0 4px 20px rgba(45, 106, 53, 0.15);
    --shadow-lg: 0 10px 40px rgba(45, 106, 53, 0.2);
}

body {
    font-family: 'Montserrat', 'Noto Sans SC', sans-serif;
    color: var(--text-dark);
    line-height: 1.8;
    background: var(--white);
    overflow-x: hidden;
    font-size: 16px;
    letter-spacing: 0.6px;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo {
    height: 50px;
    width: auto;
    border-radius: 8px;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--gray-light);
    padding: 6px 12px;
    border-radius: 20px;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-dark);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 12px;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
}

.lang-btn.active {
    background: var(--primary-green);
    color: var(--white);
}

.lang-divider {
    color: var(--gray);
    font-size: 14px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 15px;
    transition: color 0.3s ease;
    position: relative;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0.5px;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-green);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-green);
}

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

/* 下拉菜单 */
.dropdown {
    position: relative;
}

.dropdown::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 15px;
    z-index: 999;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: -10px;
    background: var(--white);
    min-width: 200px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    padding: 10px 0;
    z-index: 1000;
    margin-top: 15px;
    animation: fadeInDown 0.3s ease;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    color: var(--text-dark);
    font-size: 14px;
    font-weight: 500;
}

.dropdown-menu a::after {
    display: none;
}

.dropdown-menu a:hover {
    background: var(--gray-light);
    color: var(--primary-green);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--primary-dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow);
    padding: 20px;
    z-index: 999;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu ul {
    list-style: none;
}

.mobile-menu li {
    padding: 15px 0;
    border-bottom: 1px solid var(--gray-light);
}

/* 移动端下拉菜单 */
.mobile-dropdown {
    position: relative;
}

.mobile-dropdown-menu {
    display: none;
    padding-left: 20px;
    margin-top: 10px;
}

.mobile-dropdown.active .mobile-dropdown-menu {
    display: block;
}

.mobile-dropdown-menu li {
    padding: 10px 0;
    border-bottom: none;
}

.mobile-dropdown-menu a {
    font-size: 14px;
    color: var(--gray);
}

.mobile-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-size: 16px;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
}

/* Hero 首页 */






.hero-content {
    text-align: center;
    color: var(--white);
    padding: 20px;
    max-width: 900px;
}

.company-name {
    font-family: 'Sorts Mill Goudy', 'Alegreya', 'Noto Serif SC', serif;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 40px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease;
    letter-spacing: 1px;
    line-height: 1.3;
}

.keywords {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 50px;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.keyword {
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.08));
    padding: 22px 45px;
    border-radius: 50px;
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 1px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.12),
        0 2px 8px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    overflow: hidden;
}

/* 光泽划过效果 */
.keyword::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.6s ease;
    pointer-events: none;
}

.keyword:hover::after {
    left: 100%;
}

.keyword:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0.15));
    transform: translateY(-6px) scale(1.03);
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: 
        0 15px 40px rgba(0, 0, 0, 0.18),
        0 5px 15px rgba(0, 0, 0, 0.1),
        0 0 30px rgba(255, 255, 255, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

/* 第一个气泡 - 圆点装饰 */
.keyword:nth-child(1) {
    border-left: 4px solid rgba(255, 255, 255, 0.7);
}

.keyword:nth-child(1)::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.6);
}

/* 第二个气泡 - 菱形装饰 */
.keyword:nth-child(2) {
    border-bottom: 3px solid rgba(255, 255, 255, 0.6);
}

.keyword:nth-child(2)::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* 第三个气泡 - 星形装饰 */
.keyword:nth-child(3) {
    border-right: 4px solid rgba(255, 255, 255, 0.7);
}

.keyword:nth-child(3)::before {
    content: '★';
    position: absolute;
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.6);
}

.cta-btn {
    background: var(--white);
    color: var(--primary-dark);
    border: none;
    padding: 18px 50px;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1s ease 0.4s backwards;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0.5px;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    background: var(--gray-light);
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--white);
    width: 30px;
    border-radius: 6px;
}

/* 主入口卡片 */
.main-entrances-section {
    padding: 60px 0;
    background: var(--white);
    margin-top: -30px;
}

.main-entrances {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.entrance-card {
    background: var(--white);
    border-radius: 20px;
    padding: 30px 40px;
    width: 450px;
    box-shadow: var(--shadow-lg);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.entrance-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-green), var(--primary-dark));
}

.entrance-card.deep-processing::before {
    background: linear-gradient(90deg, #8b6f47, #cd853f);
}

.entrance-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(45, 106, 53, 0.2);
}

.entrance-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.entrance-card h3 {
    font-family: 'Sorts Mill Goudy', 'Alegreya', 'Noto Serif SC', serif;
    font-size: 28px;
    color: var(--primary-dark);
    margin-bottom: 10px;
    font-weight: 400;
    letter-spacing: 1px;
}

.entrance-card.deep-processing h3 {
    color: #8b6f47;
}

.entrance-menu {
    list-style: none;
    padding: 0;
    margin: 0 0 25px 0;
}

.entrance-menu li {
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-light);
    transition: all 0.3s ease;
}

.entrance-menu li:hover {
    padding-left: 10px;
}

.entrance-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s ease;
}

.entrance-menu a:hover {
    color: var(--primary-green);
}

.entrance-arrow {
    font-size: 24px;
    color: var(--primary-green);
    text-align: center;
    font-weight: 300;
    margin-top: 15px;
    transition: transform 0.3s ease;
}

/* Section 通用样式 */
.section {
    padding: 100px 0;
}

.section-title {
    font-family: 'Sorts Mill Goudy', 'Alegreya', 'Noto Serif SC', serif;
    font-size: 2.5rem;
    color: var(--primary-dark);
    text-align: center;
    margin-bottom: 60px;
    font-weight: 400;
    position: relative;
    letter-spacing: 1px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-green);
    border-radius: 2px;
}

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

.section-title.light::after {
    background: var(--white);
}

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

.bg-dark {
    background: var(--primary-dark);
    color: var(--white);
}

/* 公司简介 */
.profile-content {
    max-width: 900px;
    margin: 0 auto;
}

.profile-text {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    border-left: 5px solid var(--primary-green);
}

.profile-text p {
    font-family: 'Sorts Mill Goudy', 'Alegreya', 'Noto Serif SC', serif;
    font-size: 1.1rem;
    line-height: 2;
    color: var(--text-dark);
    letter-spacing: 0.6px;
}

/* 颜色与尺寸标准 */
.standards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
    align-items: start;
}

.color-standards h3,
.size-standards h3 {
    font-family: 'Sorts Mill Goudy', 'Alegreya', 'Noto Serif SC', serif;
    font-size: 1.8rem;
    color: var(--primary-dark);
    margin-bottom: 20px;
    font-weight: 400;
    letter-spacing: 0.8px;
}

.intro {
    color: var(--text-dark);
    margin-bottom: 30px;
    font-size: 1rem;
    line-height: 1.8;
    font-family: 'Sorts Mill Goudy', 'Alegreya', 'Noto Serif SC', serif;
    letter-spacing: 0.6px;
}

.color-grades {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.grade-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    background: var(--white);
    padding: 15px 20px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.grade-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow);
}

.grade-badge {
    min-width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--white);
    font-size: 1.1rem;
    font-family: 'Montserrat', sans-serif;
}

.grade-a { background: linear-gradient(135deg, #f5f5dc, #fffacd); color: var(--text-dark); }
.grade-ab { background: linear-gradient(135deg, #f5e6c8, #f5d9a8); color: var(--text-dark); }
.grade-b { background: linear-gradient(135deg, #d4a574, #c9985a); }
.grade-c { background: linear-gradient(135deg, #a67c52, #8b6542); }
.grade-d { background: linear-gradient(135deg, #8b6914, #6b5210); }

.grade-info p {
    font-family: 'Sorts Mill Goudy', 'Alegreya', 'Noto Serif SC', serif;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-dark);
    letter-spacing: 0.5px;
}

.color-image {
    text-align: center;
}

.color-image img {
    width: 100%;
    max-width: 400px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.image-caption {
    margin-top: 15px;
    color: var(--gray);
    font-size: 0.9rem;
    font-family: 'Sorts Mill Goudy', 'Alegreya', serif;
    letter-spacing: 0.6px;
}

.size-standards {
    margin-top: 60px;
    text-align: center;
}

.size-standards h3 {
    text-align: center;
}

.size-images {
    text-align: center;
    margin-bottom: 40px;
}

.main-size-img {
    max-width: 100%;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.size-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.size-item {
    text-align: center;
    background: var(--white);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.size-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.size-item img {
    width: 100%;
    height: 120px;
    object-fit: contain;
    border-radius: 8px;
    margin-bottom: 10px;
}

.size-item p {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    color: var(--primary-dark);
    letter-spacing: 0.5px;
}

/* 包装 */
.packaging-slider {
    position: relative;
    margin-bottom: 50px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.packaging-slides {
    position: relative;
    height: auto;
    min-height: 400px;
}

.packaging-slide {
    position: relative;
    width: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
    display: none;
}

.packaging-slide.active {
    opacity: 1;
    display: block;
}

.packaging-slide.active {
    opacity: 1;
}

.packaging-slide img {
    width: 100%;
    height: auto;
    max-height: 80vh;
    object-fit: contain;
    display: block;
}

.packaging-dots {
    position: relative;
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 20px 0;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 0 0 20px 20px;
}

.p-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.p-dot.active {
    background: var(--white);
    width: 30px;
    border-radius: 6px;
}

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

.feature-item {
    text-align: center;
    padding: 40px 30px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: var(--primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 35px;
    height: 35px;
    stroke: var(--white);
}

.feature-item h4 {
    font-family: 'Sorts Mill Goudy', 'Alegreya', 'Noto Serif SC', serif;
    font-size: 1.3rem;
    color: var(--primary-dark);
    margin-bottom: 15px;
    font-weight: 400;
    letter-spacing: 0.8px;
}

.feature-item p {
    font-family: 'Sorts Mill Goudy', 'Alegreya', 'Noto Serif SC', serif;
    color: var(--gray);
    line-height: 1.7;
    letter-spacing: 0.5px;
}

/* 质量管控 */
.certification-wrapper {
    width: 100%;
    overflow-x: auto;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.certification-img {
    width: 100%;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    border-radius: 20px;
}

#quality .container {
    max-width: 95vw;
    padding: 0;
    margin: 0 auto;
}

#quality {
    padding: 100px 0;
}

#quality .section-title {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
    margin-bottom: 60px;
}

/* 公司优势 */
.advantages-bubbles {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.advantage-bubble {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-dark));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    transition: all 0.4s ease;
    color: var(--white);
}

.advantage-bubble:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 60px rgba(45, 106, 53, 0.3);
}

.bubble-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bubble-icon svg {
    width: 40px;
    height: 40px;
    stroke: var(--white);
}

.advantage-bubble h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
    line-height: 1.6;
    font-weight: 500;
    letter-spacing: 0.6px;
}

/* 联系我们 */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.4rem;
    margin-bottom: 30px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-item svg {
    width: 24px;
    height: 24px;
    stroke: var(--white);
    flex-shrink: 0;
    margin-top: 3px;
}

.contact-item p {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    line-height: 1.8;
    letter-spacing: 0.5px;
    font-weight: 400;
}

.qr-codes {
    display: flex;
    gap: 30px;
    justify-content: center;
}

.qr-item {
    text-align: center;
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.qr-item img {
    width: 180px;
    height: 180px;
    border-radius: 10px;
    margin-bottom: 15px;
}

.qr-item p {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    color: var(--primary-dark);
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

/* 浮动按钮 */
.floating-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: all 0.3s ease;
}

.floating-btn:hover {
    transform: scale(1.1);
    background: var(--primary-dark);
}

.floating-btn svg {
    width: 30px;
    height: 30px;
    stroke: var(--white);
}

/* 弹窗 */
.qr-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.qr-modal.active {
    display: flex;
}

.qr-modal-content {
    background: var(--white);
    padding: 50px;
    border-radius: 25px;
    position: relative;
    max-width: 600px;
    width: 90%;
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--gray);
    transition: color 0.3s ease;
}

.close-modal:hover {
    color: var(--primary-dark);
}

.qr-modal-content h3 {
    font-family: 'Sorts Mill Goudy', 'Alegreya', 'Noto Serif SC', serif;
    text-align: center;
    font-size: 1.8rem;
    color: var(--primary-dark);
    margin-bottom: 30px;
    font-weight: 400;
    letter-spacing: 0.8px;
}

.qr-modal-images {
    display: flex;
    justify-content: center;
    gap: 40px;
}

.qr-modal-item {
    text-align: center;
}

.qr-modal-item img {
    width: 200px;
    height: 200px;
    border-radius: 15px;
    margin-bottom: 15px;
    box-shadow: var(--shadow);
}

.qr-modal-item p {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    color: var(--primary-dark);
    letter-spacing: 0.5px;
}

/* 页脚 */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    text-align: center;
    padding: 30px 0;
}

.footer p {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    opacity: 0.9;
    letter-spacing: 0.5px;
}

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

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

/* 响应式设计 */
@media (max-width: 1024px) {
    .standards-grid {
        grid-template-columns: 1fr;
    }
    
    .color-image {
        order: -1;
    }
    
    .packaging-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-bubbles {
        gap: 30px;
    }
    
    .advantage-bubble {
        width: 250px;
        height: 250px;
    }
    
    .company-name {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .company-name {
        font-size: 2rem;
    }
    
    .keywords {
        gap: 20px;
    }
    
    .keyword {
        padding: 12px 25px;
        font-size: 0.95rem;
        border-radius: 45px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .packaging-features {
        grid-template-columns: 1fr;
    }
    
    .advantage-bubble {
        width: 220px;
        height: 220px;
        padding: 30px;
    }
    
    .advantage-bubble h4 {
        font-size: 0.95rem;
    }
    
    .qr-codes {
        flex-direction: column;
        align-items: center;
    }
    
    .qr-modal-images {
        flex-direction: column;
        align-items: center;
    }
    
    .qr-modal-item img {
        width: 180px;
        height: 180px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 10px 15px;
    }
    
    .logo {
        height: 40px;
    }
    
    .company-name {
        font-size: 1.6rem;
    }
    
    .keyword {
        padding: 10px 20px;
        font-size: 0.85rem;
        border-radius: 40px;
    }
    
    .cta-btn {
        padding: 15px 40px;
        font-size: 1rem;
    }
    
    .profile-text {
        padding: 25px;
    }
    
    .profile-text p {
        font-size: 1rem;
    }
    
    .advantages-bubbles {
        flex-direction: column;
        align-items: center;
    }
    
    .advantage-bubble {
        width: 200px;
        height: 200px;
    }
    
    .advantage-bubble h4 {
        font-size: 0.9rem;
    }
    
    .contact-card {
        padding: 25px;
    }
    
    .contact-card h3 {
        font-size: 1.5rem;
    }
    
    .qr-item {
        padding: 20px;
    }
    
    .qr-item img {
        width: 150px;
        height: 150px;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
}
.hero {
    position: relative;
    min-height: auto;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: auto;
}

.slide {
    position: relative;
    width: 100%;
    height: auto;
    opacity: 1;
}

.slide img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(45, 106, 53, 0.35), rgba(45, 106, 53, 0.5));
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 主入口卡片 */
.main-entrances-section {
    padding: 60px 0;
    background: var(--white);
    margin-top: -30px;
}

.main-entrances {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.entrance-card {
    background: var(--white);
    border-radius: 20px;
    padding: 30px 40px;
    width: 450px;
    box-shadow: var(--shadow-lg);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.entrance-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-green), var(--primary-dark));
}

.entrance-card.deep-processing::before {
    background: linear-gradient(90deg, #8b6f47, #cd853f);
}

.entrance-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(45, 106, 53, 0.2);
}

.entrance-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.entrance-card h3 {
    font-family: 'Sorts Mill Goudy', 'Alegreya', 'Noto Serif SC', serif;
    font-size: 28px;
    color: var(--primary-dark);
    margin-bottom: 25px;
    font-weight: 400;
    letter-spacing: 1px;
}

.entrance-card.deep-processing h3 {
    color: #8b6f47;
}

.entrance-menu {
    list-style: none;
    padding: 0;
    margin: 0 0 25px 0;
}

.entrance-menu li {
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-light);
    transition: all 0.3s ease;
}

.entrance-menu li:hover {
    padding-left: 10px;
}

.entrance-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s ease;
}

.entrance-menu a:hover {
    color: var(--primary-green);
}

.entrance-arrow {
    font-size: 24px;
    color: var(--primary-green);
    text-align: center;
    font-weight: 300;
    margin-top: 15px;
    transition: transform 0.3s ease;
}

/* 新疆纸皮核桃品种 */
.walnut-varieties {
    margin-bottom: 60px;
}

.subsection-title {
    font-family: 'Sorts Mill Goudy', 'Alegreya', 'Noto Serif SC', serif;
    font-size: 1.8rem;
    color: var(--primary-dark);
    margin-bottom: 30px;
    font-weight: 400;
    letter-spacing: 1px;
    text-align: center;
}

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

.variety-bubbles {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 40px;
}

.variety-bubble {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-dark));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.4s ease;
    color: var(--white);
}

.variety-bubble:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 60px rgba(45, 106, 53, 0.3);
}

.variety-number {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 10px;
    font-family: 'Montserrat', sans-serif;
}

.variety-bubble p {
    font-size: 14px;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0.5px;
}

/* 原料生产工厂 */
.facility-section {
    margin-bottom: 60px;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

/* 4张图一排的样式 */
.image-gallery.four-in-row {
    grid-template-columns: repeat(4, 1fr);
}

.image-gallery.four-images {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.gallery-item {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.image-caption {
    padding: 15px;
    text-align: center;
    color: var(--text-dark);
    font-size: 14px;
    font-family: 'Montserrat', sans-serif;
}

/* 深加工模块 */
.peeled-walnuts-section {
    margin-top: 60px;
}

.technology-section, .advantages-section {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.technology-section h4, .advantages-section h4 {
    font-family: 'Sorts Mill Goudy', 'Alegreya', 'Noto Serif SC', serif;
    font-size: 1.4rem;
    margin-bottom: 20px;
    font-weight: 400;
    letter-spacing: 1px;
    color: var(--primary-dark);
}

.tech-content h5 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    font-weight: 500;
    color: var(--primary-dark);
}

.tech-content p {
    line-height: 1.8;
    font-family: 'Sorts Mill Goudy', 'Alegreya', 'Noto Serif SC', serif;
    color: var(--text-dark);
}

.advantage-bubbles-inline {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.advantage-bubble-inline {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-dark));
    width: 200px;
    height: 200px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all 0.4s ease;
    padding: 30px;
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.advantage-bubble-inline:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 60px rgba(45, 106, 53, 0.3);
}

.advantage-bubble-inline p {
    font-size: 16px;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0.5px;
    margin: 0;
    line-height: 1.4;
}

.product-image {
    text-align: center;
    vertical-align: middle;
    padding: 20px !important;
}

.product-large-img {
    max-width: 200px;
    max-height: 200px;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

/* 核心产品表格 */
.core-products-section {
    margin-top: 60px;
}

.products-table-wrapper {
    overflow-x: auto;
    margin-top: 30px;
}

.products-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.products-table thead {
    background: var(--primary-green);
    color: var(--white);
}

.products-table th {
    padding: 15px 20px;
    text-align: left;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.5px;
}

.products-table td {
    padding: 15px 20px;
    border-bottom: 1px solid var(--gray-light);
    vertical-align: top;
    color: var(--text-dark);
}

.products-table tbody tr:hover {
    background: var(--gray-light);
}

.product-name {
    min-width: 160px;
}

.product-name strong {
    font-size: 16px;
    color: var(--primary-dark);
    display: block;
    margin-bottom: 10px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

.product-thumb {
    width: 90px;
    height: 90px;
    object-fit: cover;
    border-radius: 8px;
    margin-top: 8px;
}

.products-table td p {
    margin-bottom: 8px;
    line-height: 1.6;
    font-family: 'Sorts Mill Goudy', 'Alegreya', serif;
    font-size: 14px;
    color: var(--text-dark);
}

.products-table td .zh,
.products-table td .en {
    color: var(--text-dark);
}

/* 产品检测资质 */
.certifications-section {
    margin-top: 60px;
}

.certifications-section .image-gallery {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.certifications-section .gallery-item img {
    height: auto;
    min-height: 300px;
    max-height: none;
    object-fit: contain;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .main-entrances {
        flex-direction: column;
        align-items: center;
    }
    
    .entrance-card {
        width: 100%;
        max-width: 450px;
    }
    
    .variety-bubble {
        width: 150px;
        height: 150px;
    }
    
    .variety-number {
        font-size: 28px;
    }
    
    .image-gallery {
        grid-template-columns: 1fr;
    }
    
    .image-gallery.four-in-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .certifications-section .image-gallery {
        grid-template-columns: 1fr;
    }
    
    .products-table th,
    .products-table td {
        padding: 15px 10px;
        font-size: 14px;
    }
    
    .product-thumb {
        width: 80px;
        height: 80px;
    }
    
    .advantage-bubble-inline {
        width: 160px;
        height: 160px;
        padding: 20px;
    }
    
    .advantage-bubble-inline p {
        font-size: 14px;
    }
}