/* 引入Google Fonts - Inter字体 */

/* 高级浅亮风设计规范 */

/* 色彩变量 */
:root {
    --primary-blue: #E8F4F8;      /* 清透奶蓝 - 主氛围色 */
    --accent-gold: #D4B996;       /* 低饱和暖茶金 - 点缀色 */
    --bg-white: #FAFAFA;           /* 柔白 - 区块背景 */
    --bg-light-gray: #F6F7F9;      /* 极浅灰 - 背景分层 */
    --text-dark: #2C2C2C;          /* 深炭灰 - 标题色 */
    --text-medium: #555555;        /* 中性灰 - 正文色 */
    --text-light: #888888;         /* 浅灰 - 辅助文字 */
    --border-color: #E0E0E0;       /* 边框色 */
    --shadow-light: rgba(0, 0, 0, 0.03); /* 极浅投影 */
    --shadow-hover: rgba(0, 0, 0, 0.08); /* 悬浮投影 */
}

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-medium);
    background-color: var(--bg-white);
    font-weight: 400;
    letter-spacing: -0.01em;
}

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

/* 顶部导航栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, rgba(255, 252, 248, 0.98) 0%, rgba(255, 248, 240, 0.96) 50%, rgba(255, 250, 245, 0.98) 100%);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    border-bottom: 1px solid rgba(212, 185, 150, 0.3);
    box-shadow: rgba(0, 0, 0, 0.05) 0px 2px 15px;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    height: 36px;
    width: auto;
}

.logo h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--accent-gold);
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 35px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-size: 14px;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-gold);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent-gold);
    border-radius: 1px;
}

/* 导航下拉菜单 */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.dropdown-btn::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 10px;
    margin-left: 4px;
}

.dropdown-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    box-shadow: 0 4px 20px var(--shadow-light);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 99;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu .dropdown-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: center;
    gap: 60px;
}

.dropdown-menu .dropdown-item {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    padding: 10px 20px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.dropdown-menu .dropdown-item:hover {
    background-color: rgba(212, 185, 150, 0.15);
    color: var(--accent-gold);
}

.language-dropdown {
    position: relative;
}

.lang-dropdown-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-dark);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-dropdown-btn:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

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

.lang-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 0;
    min-width: 140px;
    box-shadow: 0 4px 20px var(--shadow-light);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 100;
}

.language-dropdown:hover .lang-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: block;
    width: 100%;
    padding: 10px 20px;
    background: transparent;
    border: none;
    text-align: left;
    font-size: 13px;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-option:hover {
    background-color: rgba(212, 185, 150, 0.15);
    color: var(--accent-gold);
}

.lang-option.active {
    background-color: var(--accent-gold);
    color: var(--bg-white);
}

.mobile-menu {
    display: none;
    cursor: pointer;
    color: var(--text-dark);
    font-size: 20px;
}

/* 首屏 Banner 轮播 */
.banner {
    position: relative;
    padding: 0;
    height: 100vh;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.5) 100%);
    z-index: 1;
}

.banner-carousel {
    position: relative;
    width: 100%;
    min-height: 420px;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0;
}

.carousel-slide.active {
    position: relative;
    opacity: 1;
    visibility: visible;
}

.carousel-slide .container {
    position: relative;
    width: 100%;
    height: 100vh;
    z-index: 2;
}

.banner-content {
    position: absolute;
    bottom: 80px;
    left: 60px;
    text-align: left;
    max-width: 500px;
    z-index: 2;
}

.feature-icon {
    display: none;
}

.main-slogan {
    font-size: 64px;
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 12px;
    letter-spacing: 4px;
    line-height: 1.1;
    -webkit-font-smoothing: antialiased;
}

.accent-slogan {
    font-size: 40px;
    font-weight: 900;
    color: #FFD700;
    margin-bottom: 0;
    letter-spacing: 2px;
    line-height: 1.2;
    -webkit-font-smoothing: antialiased;
}

.sub-slogan,
.auxiliary-text {
    display: none;
}

.banner-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.banner-image::before {
    display: none;
}

.banner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.carousel-slide.active .banner-image img {
    animation: imageFadeIn 1s ease;
}

@keyframes imageFadeIn {
    0% { opacity: 0; transform: scale(1.1); }
    100% { opacity: 1; transform: scale(1); }
}

/* 轮播指示器 */
.carousel-indicators {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 16px;
    z-index: 10;
}

.indicator {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid rgba(212, 185, 150, 0.5);
    background-color: transparent;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.indicator::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent-gold);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.indicator:hover {
    border-color: var(--accent-gold);
    transform: scale(1.1);
}

.indicator.active {
    border-color: var(--accent-gold);
    background-color: rgba(212, 185, 150, 0.2);
    transform: scale(1.2);
}

.indicator.active::before {
    opacity: 1;
}

/* 轮播切换按钮 */
.carousel-prev,
.carousel-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 55px;
    height: 55px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    color: var(--accent-gold);
    font-size: 22px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
}

.banner:hover .carousel-prev,
.banner:hover .carousel-next {
    opacity: 1;
    visibility: visible;
}

.carousel-prev:hover,
.carousel-next:hover {
    background: linear-gradient(135deg, var(--accent-gold) 0%, #c4a882 100%);
    color: white;
    transform: translateY(-50%) scale(1.15);
    box-shadow: 0 8px 25px rgba(212, 185, 150, 0.4);
}

.carousel-prev {
    left: 30px;
}

.carousel-next {
    right: 30px;
}

/* 通用模块样式 */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 50px;
    letter-spacing: 1px;
}

/* 公司视频 */
.company-video {
    padding: 60px 0;
    background: var(--bg-white);
    position: relative;
    overflow: hidden;
}

.company-video::before {
    content: '';
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 200px;
    height: 200px;
    background-image: url('../首页图片/34779a3783e0403eb00769947ec5fc5b.png.webp');
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.15;
    z-index: 0;
}

.video-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    z-index: 1;
}

.video-wrapper video {
    width: 100%;
    display: block;
    border-radius: 16px;
}

/* 关于我们 */
.about {
    background:
        radial-gradient(circle at 10% 20%, rgba(212, 185, 150, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(255, 182, 193, 0.05) 0%, transparent 35%),
        radial-gradient(circle at 50% 50%, rgba(144, 238, 144, 0.04) 0%, transparent 50%),
        var(--bg-white);
    padding: 80px 0;
    position: relative;
}

.about::before {
    content: '\f1b0';
    position: absolute;
    bottom: 40px;
    right: 60px;
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    font-size: 36px;
    color: rgba(212, 185, 150, 0.35);
    transform: rotate(-15deg);
    z-index: 0;
}

.about::after {
    content: '\f1b0';
    position: absolute;
    bottom: 50px;
    right: 120px;
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    font-size: 30px;
    color: rgba(212, 185, 150, 0.28);
    transform: rotate(10deg);
    z-index: 0;
}

.paw-prints {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.paw-print {
    position: absolute;
    color: rgba(212, 185, 150, 0.18);
    font-size: 24px;
}

.paw-print i {
    display: block;
}

.paw-1 {
    top: 120px;
    right: 250px;
    transform: rotate(-5deg);
}

.paw-2 {
    top: 160px;
    right: 190px;
    transform: rotate(8deg);
    font-size: 22px;
}

.paw-3 {
    top: 200px;
    right: 130px;
    transform: rotate(-3deg);
    font-size: 20px;
}

.paw-4 {
    top: 240px;
    right: 70px;
    transform: rotate(5deg);
    font-size: 26px;
    color: rgba(212, 185, 150, 0.25);
}

.paw-5 {
    top: 280px;
    right: 40px;
    transform: rotate(-10deg);
    font-size: 28px;
    color: rgba(212, 185, 150, 0.3);
}

.paw-6 {
    top: 320px;
    right: 60px;
    transform: rotate(12deg);
    font-size: 22px;
    color: rgba(212, 185, 150, 0.22);
}

.about-content {
    display: flex;
    gap: 50px;
}

.about-slogan {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 50px;
    background:
        radial-gradient(circle at 30% 20%, rgba(255, 230, 200, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(212, 185, 150, 0.12) 0%, transparent 45%),
        url('../_localized/external-bd15b434d12bfdc1.jpg.webp');
    background-size: cover;
    background-position: center;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.about-slogan::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 248, 240, 0.82) 0%, rgba(255, 245, 235, 0.78) 100%);
    z-index: 0;
}

.slogan-label {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
}

.slogan-text {
    font-size: 52px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.3;
    margin: 0;
    position: relative;
    z-index: 1;
}

.slogan-text[data-lang="zh"] {
    font-size: 48px;
}

.slogan-icon {
    position: relative;
    z-index: 1;
    margin-top: 25px;
    font-size: 22px;
    color: var(--accent-gold);
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.slogan-icon i:nth-child(odd) {
    color: #e74c3c;
}

.slogan-icon i:nth-child(even) {
    transform: rotate(-10deg);
}

.about-text {
    flex: 1;
    padding-left: 30px;
}

.about-text h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 20px;
}

.about-text p {
    font-size: 15px;
    color: var(--text-medium);
    margin-bottom: 22px;
    line-height: 1.9;
    text-indent: 2em;
}

/* 品牌实力模块 */
.strengths {
    position: relative;
    background-color: #f8fafc;
    padding: 50px 0;
    overflow: hidden;
}

.strengths-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 30%, rgba(212, 185, 150, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(100, 149, 237, 0.12) 0%, transparent 45%),
        radial-gradient(circle at 50% 50%, rgba(144, 238, 144, 0.08) 0%, transparent 60%),
        linear-gradient(135deg, rgba(240, 244, 248, 0.85) 0%, rgba(230, 236, 240, 0.65) 50%, rgba(245, 248, 250, 0.85) 100%),
        url('../_localized/external-56d98f6f69d55a7d.jpg.webp');
    background-size: cover;
    background-position: center;
    z-index: 0;
}

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

.strengths-title {
    text-align: center;
    font-size: 28px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 45px;
    letter-spacing: 2px;
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.strength-item {
    text-align: center;
    padding: 35px 20px;
    position: relative;
}

.strength-item:not(:nth-child(4n))::after {
    content: '';
    position: absolute;
    right: 0;
    top: 15%;
    bottom: 15%;
    width: 2px;
    background: linear-gradient(180deg, rgba(212, 185, 150, 0.2), rgba(212, 185, 150, 0.6), rgba(212, 185, 150, 0.2));
}

.strength-icon {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, #c4a882 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    color: var(--bg-white);
    font-size: 22px;
    box-shadow: 0 4px 15px rgba(212, 185, 150, 0.3);
    transition: all 0.3s ease;
}

.strength-item:hover .strength-icon {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(212, 185, 150, 0.45);
}

.strength-item h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.strength-item p {
    font-size: 13px;
    color: var(--text-light);
}

/* 自营品牌矩阵 */
.brands {
    background-color: var(--bg-white);
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.brand-card {
    padding: 50px 40px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
}

.brand-chongai {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--bg-white) 100%);
    border: 1px solid rgba(212, 185, 150, 0.2);
}

.brand-buxian {
    background: linear-gradient(135deg, rgba(212, 185, 150, 0.1) 0%, var(--bg-white) 100%);
    border: 1px solid rgba(212, 185, 150, 0.2);
}

.brand-icon {
    width: 70px;
    height: 70px;
    background-color: var(--accent-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: var(--bg-white);
    font-size: 28px;
    box-shadow: 0 4px 15px rgba(212, 185, 150, 0.3);
}

.brand-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.brand-card p {
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.8;
}

/* 明星产品 */
.products {
    background-color: var(--bg-light-gray);
    padding: 80px 0;
}

.products-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

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

.product-card {
    position: relative;
    background-color: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px var(--shadow-light);
    transition: all 0.3s ease;
}

.product-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.product-card:hover {
    box-shadow: 0 10px 30px var(--shadow-hover);
    transform: translateY(-5px);
}

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 5px 12px;
    background-color: #FF6B6B;
    color: white;
    font-size: 11px;
    font-weight: 600;
    border-radius: 20px;
    z-index: 1;
}

.product-badge.badge-new {
    background-color: var(--accent-gold);
}

.product-image {
    width: 100%;
    padding-bottom: 100%;
    position: relative;
    overflow: hidden;
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-content {
    padding: 22px;
}

.product-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.product-content p {
    font-size: 13px;
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: 15px;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 12px;
}

.product-rating i {
    color: var(--accent-gold);
    font-size: 13px;
}

.product-rating span {
    font-size: 12px;
    color: var(--text-light);
    margin-left: 5px;
}

.product-price {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
}

/* 全部产品板块 */
.all-products-section {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px var(--shadow-light);
    min-height: 400px;
}

.all-products-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary-blue);
}

.all-products-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.8;
}

.all-products-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(232, 244, 248, 0.9) 0%, rgba(212, 185, 150, 0.3) 100%);
}

.all-products-content {
    position: relative;
    z-index: 1;
    padding: 40px 30px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.all-products-content h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.all-products-content p {
    font-size: 14px;
    color: var(--text-medium);
    margin-bottom: 20px;
}

.category-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 25px;
}

.category-preview span {
    padding: 6px 14px;
    background-color: rgba(255, 255, 255, 0.8);
    color: var(--text-dark);
    font-size: 12px;
    border-radius: 20px;
    font-weight: 500;
    backdrop-filter: blur(4px);
}

.all-products-btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--accent-gold);
    color: var(--bg-white);
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.all-products-btn:hover {
    background-color: var(--text-dark);
    transform: scale(1.05);
}

/* 资质认证 */
.certifications {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f4f8 50%, #f5f0e8 100%);
}

.certifications-layout {
    display: flex;
    gap: 40px;
    align-items: stretch;
}

/* 左侧：证书图片轮播 */
.cert-carousel {
    flex: 1;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 25px var(--shadow-light);
}

.cert-carousel-inner {
    position: relative;
    width: 100%;
    height: 100%;
}

.cert-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s ease-in-out;
}

.cert-slide.active {
    opacity: 1;
    visibility: visible;
}

.cert-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cert-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.cert-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--accent-gold);
    background-color: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cert-indicator.active {
    background-color: var(--accent-gold);
}

/* 右侧：证书列表 */
.cert-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
    height: 100%;
}

.cert-item {
    flex: 1;
    padding: 25px 30px;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.cert-item:hover,
.cert-item.active {
    background-color: rgba(255, 255, 255, 0.95);
    border-left-color: var(--accent-gold);
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(212, 185, 150, 0.2);
}

.cert-item-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
}

.cert-icon {
    width: 45px;
    height: 45px;
    border-radius: 8px;
    object-fit: cover;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.cert-item:hover .cert-icon,
.cert-item.active .cert-icon {
    border-color: var(--accent-gold);
    transform: scale(1.1);
}

.cert-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
}

.cert-item p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.cert-detail {
    font-size: 13px;
    color: var(--text-medium);
    line-height: 1.8;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
}

.cert-item.active .cert-detail {
    border-top-color: rgba(212, 185, 150, 0.3);
}

.cert-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.cert-card p {
    font-size: 13px;
    color: var(--text-medium);
    line-height: 1.6;
}

/* 全域渠道布局 */
.channels {
    background-color: var(--bg-light-gray);
}

.channels-desc {
    text-align: center;
    font-size: 15px;
    color: var(--text-medium);
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.channels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
}

.channel-item {
    background-color: var(--bg-white);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.channel-item:hover {
    box-shadow: 0 8px 25px var(--shadow-hover);
    border-color: var(--accent-gold);
}

.channel-item i {
    font-size: 32px;
    color: var(--accent-gold);
    margin-bottom: 15px;
    display: block;
}

.channel-item span {
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 500;
}

/* 养宠小知识博客 */
.blog {
    background: linear-gradient(135deg, #fafbfc 0%, #f5f0e8 50%, #e8f4f8 100%);
    padding: 60px 0;
}

.blog .section-header {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.blog-more-btn {
    position: absolute;
    top: 0;
    right: 0;
    padding: 10px 20px;
    background: var(--accent-gold);
    color: white;
    font-size: 14px;
    font-weight: 600;
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.blog-more-btn:hover {
    background: #c4a980;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(212, 185, 150, 0.4);
}

.blog .section-header h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.blog .section-header p {
    font-size: 16px;
    color: var(--text-medium);
}

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

.blog-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.blog-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.blog-content {
    padding: 25px;
}

.blog-category {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(212, 185, 150, 0.15);
    color: var(--accent-gold);
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 15px;
}

.blog-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.4;
}

.blog-content p {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-author {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 15px;
}

.blog-author i {
    font-size: 12px;
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-gold);
}

.blog-meta i {
    font-size: 14px;
    transition: transform 0.3s ease;
}

.blog-card:hover .blog-meta i {
    transform: translateX(5px);
}

/* 加入我们 */
.join {
    background-color: var(--bg-white);
    text-align: center;
}

.join-content {
    font-size: 15px;
    color: var(--text-medium);
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.join-btn {
    background-color: var(--accent-gold);
    color: var(--bg-white);
    border: none;
    padding: 14px 40px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.join-btn:hover {
    background-color: #c4a584;
    box-shadow: 0 6px 20px rgba(212, 185, 150, 0.4);
    transform: translateY(-2px);
}

/* 页脚 */
.footer {
    background-color: var(--bg-light-gray);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 30px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.footer-slogan {
    font-size: 16px;
    color: var(--accent-gold);
    font-weight: 500;
    margin-bottom: 5px;
}

.footer-sub {
    font-size: 14px;
    color: var(--text-light);
}

.footer-links h4,
.footer-channels h4,
.footer-contact h4,
.footer-brands h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.footer-brands .brand-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-brands .brand-item {
    font-size: 14px;
    color: var(--text-medium);
}

.footer-brands .brand-name {
    font-weight: 500;
    color: var(--text-dark);
}

.footer-links ul,
.footer-channels ul {
    list-style: none;
}

.footer-links li,
.footer-channels li {
    margin-bottom: 12px;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-medium);
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-channels li {
    font-size: 14px;
    color: var(--text-medium);
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-channels li i {
    color: var(--accent-gold);
    font-size: 14px;
}

.footer-contact p {
    font-size: 14px;
    color: var(--text-medium);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact i {
    color: var(--accent-gold);
    font-size: 14px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-light);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background-color: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 4px 20px var(--shadow-light);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: 12px 20px;
        border-radius: 6px;
        transition: background-color 0.3s ease;
    }

    .nav-links a:hover {
        background-color: var(--primary-blue);
    }

    .nav-links a.active::after {
        display: none;
    }

    .mobile-menu {
        display: block;
    }

    .banner .container {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .banner-content {
        max-width: 80%;
        bottom: 60px;
        left: 40px;
    }

    .main-slogan {
        font-size: 36px;
    }

    .accent-slogan {
        font-size: 24px;
    }

    .banner-image img {
        height: 250px;
    }

    .about-content {
        flex-direction: column;
        gap: 30px;
    }

    .about-slogan {
        border-right: none;
        border-bottom: none;
        padding: 30px;
        text-align: center;
    }

    .slogan-text {
        font-size: 36px;
    }

    .slogan-text[data-lang="zh"] {
        font-size: 32px;
    }

    .about-text {
        padding-left: 0;
    }

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

    .brand-card {
        padding: 40px 25px;
    }

    .strengths-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .strengths-title {
        font-size: 22px;
    }

    .footer-content {
        flex-wrap: wrap;
        text-align: center;
    }

    .footer-brand,
    .footer-brands,
    .footer-links,
    .footer-channels {
        flex: 1;
        min-width: 200px;
    }

    .footer-channels li {
        justify-content: center;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .banner {
        height: auto;
        min-height: 100vh;
    }

    .banner-content {
        position: relative;
        bottom: auto;
        left: auto;
        max-width: 100%;
        padding: 120px 20px 60px;
        text-align: center;
    }

    .banner-image {
        position: relative;
        height: 50vh;
    }

    .main-slogan {
        font-size: 28px;
    }

    .accent-slogan {
        font-size: 20px;
    }

    .sub-slogan {
        font-size: 16px;
    }

    section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 22px;
    }

    .strength-card,
    .channel-item {
        padding: 25px 20px;
    }

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