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

body {
    font-family:
        "PingFang SC",
        "Microsoft YaHei",
        "Hiragino Sans GB",
        "Segoe UI",
        -apple-system,
        BlinkMacSystemFont,
        sans-serif;
    color: #333;
    background-color: #f8f9fa;
}

/* 去除ul, li默认属性 */
ul,
li {
    margin: 0;
    padding: 0;
    list-style: none;
}

/* ========== 头部导航栏 ========== */
header {
    background: linear-gradient(135deg, #2c6ed2 0%, #1a4ca9 100%);
    box-shadow: 0 4px 20px rgba(26, 76, 169, 0.25);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    padding: 0 20px;
    position: relative;
}

.logo {
    padding: 15px 0;
    margin-right: 60px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 48px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.logo-text {
    font-size: 26px;
    font-weight: 700;
    color: #ffffff;
    text-decoration: none;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

nav {
    flex: 1;
}

.nav-menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    display: block;
    padding: 24px 0;
    color: rgba(255, 255, 255, 0.95);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}

.nav-link:hover {
    color: #fff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

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

.nav-item.has-dropdown > .nav-link::after {
    display: none;
}

.nav-item.has-dropdown:hover > .nav-link::before {
    transform: rotate(180deg);
}

/* 一级下拉菜单 - 中式卡片风格 */
.dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background: #ffffff;
    width: 80%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 20px 0;
    border: 1px solid #e8e8e8;
    overflow: hidden;
    display: flex;
}

.dropdown::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #2c6ed2, #1a4ca9);
}

.nav-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-item {
    position: relative;
    padding: 0 25px;
}

.dropdown-link {
    display: flex;
    align-items: center;
    padding: 12px 0;
    color: #1a4ca9;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.dropdown-link i {
    margin-right: 10px;
    font-size: 18px;
    color: #2c6ed2;
}

.dropdown-link:hover {
    color: #ff6b35;
    padding-left: 5px;
}

/* 二级下拉菜单 - 右侧弹出 */
.submenu {
    background: #ffffff;
    min-width: 200px;
    transition: all 0.3s ease;
}

.dropdown-item:hover .submenu {
    opacity: 1;
    visibility: visible;
    left: calc(100% + 5px);
}

.submenu-link {
    display: block;
    padding: 10px 25px;
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    position: relative;
}

.submenu-link::before {
    content: "·";
    position: absolute;
    left: 15px;
    color: #ff6b35;
    font-size: 20px;
    line-height: 1;
}

.submenu-link:hover {
    color: #1a4ca9;
    background: #f0f7ff;
    padding-left: 30px;
}

/* ========== 页脚样式 ========== */
footer {
    background: linear-gradient(135deg, #2c3e50 0%, #1a2530 100%);
    margin-top: 60px;
    padding: 50px 0 20px;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ff6b35, #ffd700);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* 分类导航区域 */
.footer-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
    padding-bottom: 30px;
}

.footer-column {
    position: relative;
}

.footer-title {
    color: #ffffff;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
    position: relative;
    display: inline-block;
    padding-left: 20px;
}

.footer-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 24px;
    background: #ff6b35;
    border-radius: 4px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-link,
.filing-info span a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    display: inline-block;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 20px;
}

.footer-link::before,
.filing-info span a::before {
    content: "→";
    position: absolute;
    left: 0;
    color: #ff6b35;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.footer-link:hover,
.filing-info span a:hover {
    color: #ffd700;
    transform: translateX(5px);
}

.footer-link:hover::before,
.filing-info span a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

/* 二维码和联系方式区域 */
.footer-contact {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.contact-info h3 {
    color: #fff;
    font-size: 20px;
    margin-bottom: 20px;
    font-weight: 600;
}

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

.contact-item {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    line-height: 1.6;
}

.contact-item i {
    color: #ff6b35;
    margin-right: 8px;
    font-size: 16px;
}

.qr-code {
    text-align: center;
}

.qr-code img {
    width: 140px;
    height: 140px;
    border-radius: 8px;
    margin-bottom: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.qr-code span {
    color: rgba(255, 255, 255, 0.8);
    font-size: 12px;
    display: block;
}

/* 底部信息区域 */
.footer-bottom {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.company-info {
    color: rgba(255, 255, 255, 0.8);
}

.company-name {
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.company-name::before,
.company-name::after {
    content: "";
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
}

.filing-info {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
}

.filing-info span {
    display: inline-block;
    margin: 0 10px;
    position: relative;
}


}

.copyright {
    margin-top: 15px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
}

/* 响应式设计 */
@media screen and (max-width: 992px) {
    .footer-nav {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .footer-contact {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media screen and (max-width: 768px) {
    .nav-menu {
        gap: 20px;
    }

    .logo {
        margin-right: 30px;
    }

    .logo-text {
        font-size: 22px;
    }

    .nav-link {
        padding: 20px 0;
        font-size: 15px;
    }

    footer {
        padding: 40px 0 15px;
    }

    .footer-nav {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-title {
        font-size: 17px;
        margin-bottom: 20px;
    }

    .footer-links {
        gap: 12px;
    }

    .footer-link {
        font-size: 13px;
    }

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

    .filing-info span {
        display: block;
        margin: 8px 0;
    }

    .filing-info span::after {
        display: none;
    }
}

@media screen and (max-width: 576px) {
    .nav-container {
        padding: 0 15px;
    }

    .logo img {
        height: 40px;
    }

    .logo-text {
        font-size: 20px;
    }

    .dropdown {
        width: 280px;
        left: 0;
        transform: translateY(-10px);
    }

    .nav-item:hover .dropdown {
        transform: translateY(0);
    }

    .footer-container {
        padding: 0 15px;
    }

    .footer-contact {
        padding: 20px;
    }

    .company-name {
        font-size: 15px;
    }

    .filing-info {
        font-size: 12px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.footer-column,
.footer-contact {
    animation: fadeInUp 0.6s ease forwards;
}

/* 图标字体 - 实际使用中需要引入对应的图标库 */

i {
    font-family: "iconfont" !important;
    font-style: normal;
}

/* ========== Hero Slider Styles ========== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-slider {
    position: relative;
    height: 600px;
    overflow: hidden;
    border-radius: 0 0 16px 16px;
    box-shadow: 0 10px 40px rgba(26, 76, 169, 0.3);
    margin-bottom: 80px;
    background: linear-gradient(135deg, #2c6ed2 0%, #1a4ca9 100%);
}

.slides {
    display: flex;
    width: 300%;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide {
    width: 33.333%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    padding: 0 60px;
}

.slide-content {
    z-index: 2;
    max-width: 600px;
    animation: fadeInUp 0.8s ease;
}

.slide h1 {
    font-size: 3.2rem;
    margin-bottom: 20px;
    color: #ffffff;
    font-weight: 700;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.slide p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.cta-button {
    display: inline-block;
    padding: 14px 32px;
    background: linear-gradient(90deg, #ff6b35, #ffd700);
    color: #1a4ca9;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.6);
    background: linear-gradient(90deg, #ffd700, #ff6b35);
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.2;
    mix-blend-mode: overlay;
}

.slider-controls {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 3;
}

.slider-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.slider-dot.active {
    background: linear-gradient(135deg, #ff6b35, #ffd700);
    transform: scale(1.3);
    border-color: #ffd700;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.6);
}

/* ========== Section Title Styles ========== */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    background: linear-gradient(90deg, #2c6ed2, #1a4ca9);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
}

.section-title p {
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.6;
}

/* ========== Products Grid Styles ========== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 100px;
}

.product-card {
    background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(26, 76, 169, 0.15);
    border: 2px solid rgba(44, 110, 210, 0.1);
}

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 12px 35px rgba(26, 76, 169, 0.25);
    border-color: #ff6b35;
}

.product-img {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.product-img::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(44, 110, 210, 0.1),
        rgba(26, 76, 169, 0.1)
    );
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: #1a4ca9;
    font-weight: 700;
}

.product-info p {
    color: #666;
    margin-bottom: 20px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.feature-tag {
    background: linear-gradient(135deg, #ff6b35, #ff8c5a);
    color: #ffffff;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
}

.product-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price {
    font-size: 1.3rem;
    font-weight: 700;
    background: linear-gradient(90deg, #ff6b35, #ffd700);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.product-btn {
    background: linear-gradient(135deg, #2c6ed2, #1a4ca9);
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(26, 76, 169, 0.3);
    text-decoration: none;
}

.product-btn:hover {
    background: linear-gradient(135deg, #ff6b35, #ffd700);
    color: #1a4ca9;
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(255, 107, 53, 0.4);
}

/* ========== Solutions Grid Styles ========== */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 100px;
}

.solution-card {
    background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
    border-radius: 16px;
    padding: 35px 30px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(26, 76, 169, 0.15);
    border: 2px solid rgba(44, 110, 210, 0.1);
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #ff6b35, #ffd700);
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(26, 76, 169, 0.25);
    border-color: #ff6b35;
}

.solution-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2c6ed2, #1a4ca9);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 1.8rem;
    color: white;
    box-shadow: 0 6px 20px rgba(26, 76, 169, 0.3);
}

.solution-card:hover .solution-icon {
    background: linear-gradient(135deg, #ff6b35, #ffd700);
    transform: rotate(360deg);
    transition: all 0.6s ease;
}

.solution-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #1a4ca9;
    font-weight: 700;
}

.solution-card p {
    color: #666;
    margin-bottom: 25px;
    line-height: 1.6;
}

.solution-features {
    list-style: none;
}

.solution-features li {
    margin-bottom: 12px;
    color: #555;
    display: flex;
    align-items: flex-start;
    line-height: 1.6;

    position: relative;
}

.solution-features li i {
    color: #ff6b35;
    margin-right: 10px;
    margin-top: 5px;
}

.my-fa-check::after {
    content: "✓";
}

/* ========== Responsive Adjustments ========== */
@media (max-width: 992px) {
    .slide {
        padding: 0 40px;
    }

    .slide h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .hero-slider {
        height: 500px;
    }

    .slide {
        padding: 0 30px;
    }

    .slide h1 {
        font-size: 2rem;
    }

    .slide p {
        font-size: 1rem;
    }

    .section-title h2 {
        font-size: 2rem;
    }

    .products-grid,
    .solutions-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero-slider {
        height: 450px;
    }

    .slide {
        padding: 0 20px;
    }

    .slide h1 {
        font-size: 1.8rem;
    }

    .cta-button {
        padding: 12px 25px;
        font-size: 1rem;
    }
}

/* 主容器 */
.support-box {
    max-width: 600px;
    margin: 50px auto;
    padding: 48px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(44, 110, 210, 0.1);
    border: 1px solid rgba(44, 110, 210, 0.08);
    transition: all 0.3s ease;
}

.support-box:hover {
    box-shadow: 0 8px 30px rgba(44, 110, 210, 0.15);
}

/* 标题 */
.support-box > div:first-child {
    font-size: 26px;
    font-weight: 600;
    color: #333;
    text-align: center;
    margin-bottom: 36px;
    line-height: 1.4;
    padding-bottom: 20px;
    border-bottom: 2px solid #2c6ed2;
    position: relative;
}

/* 表单容器 */
.support-form {
    width: 100%;
}

.support-form form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* 标签容器 */
.support-form label {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* 标签文字 */
.support-form label span {
    font-size: 15px;
    font-weight: 600;
    color: #333;
    letter-spacing: 0.3px;
}

/* 输入框 */
.support-form input {
    width: 100%;
    padding: 14px 18px;
    font-size: 15px;
    color: #333;
    background: #f8f9fa;
    border: 1px solid rgba(44, 110, 210, 0.2);
    border-radius: 8px;
    outline: none;
    transition: all 0.3s ease;
}

.support-form input:hover {
    background: rgba(44, 110, 210, 0.05);
    border-color: rgba(44, 110, 210, 0.4);
}

.support-form input:focus {
    background: #ffffff;
    border-color: #2c6ed2;
    box-shadow: 0 0 0 3px rgba(44, 110, 210, 0.1);
    transform: translateY(-1px);
}

/* 提交按钮 */
.support-form button {
    width: 100%;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(135deg, #2c6ed2 0%, #1a4ca9 100%);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(44, 110, 210, 0.3);
    letter-spacing: 0.5px;
}

.support-form button:hover {
    background: linear-gradient(135deg, #1a4ca9 0%, #2c6ed2 100%);
    box-shadow: 0 6px 20px rgba(44, 110, 210, 0.5);
    transform: translateY(-2px);
}

.support-form button:active {
    transform: translateY(0);
    box-shadow: 0 3px 10px rgba(44, 110, 210, 0.4);
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .support-box {
        margin: 30px 20px;
        padding: 36px 28px;
    }

    .support-box > div:first-child {
        font-size: 22px;
        margin-bottom: 28px;
        padding-bottom: 16px;
    }

    .support-form form {
        gap: 20px;
    }

    .support-form input {
        padding: 12px 16px;
        font-size: 14px;
    }

    .support-form button {
        padding: 12px 28px;
        font-size: 15px;
    }
}

@media screen and (max-width: 576px) {
    .support-box {
        margin: 20px 15px;
        padding: 28px 20px;
    }

    .support-box > div:first-child {
        font-size: 20px;
        margin-bottom: 24px;
        padding-bottom: 14px;
    }

    .support-box > div:first-child::before {
        width: 60px;
    }

    .support-form form {
        gap: 18px;
    }

    .support-form label span {
        font-size: 14px;
    }

    .support-form input {
        padding: 11px 14px;
        font-size: 14px;
    }

    .support-form button {
        padding: 11px 24px;
        font-size: 14px;
    }
}
/* ========== 商品详情页面样式 ========== */

/* 整体容器 */
.goods-detail {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px;
}

.goods-detail-container {
    background-color: #fff;
    padding-top: 20px;
}

/* 商品标题 */
.goods-detail-container > h1 {
    font-size: 32px;
    font-weight: 700;
    color: #333;
    line-height: 1.4;
    background: linear-gradient(135deg, #2c6ed2 0%, #1a4ca9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 10px 20px;
}

/* 商品简介 */
.product-summary {
    background: #ffffff;
    padding: 24px;
}

.product-summary p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin: 0;
}

/* 商品图片 */
.product-image {
    background: #ffffff;
    padding: 24px;
    text-align: center;
}

.product-image img {
    max-width: 100%;
    height: auto;
    transition: all 0.3s ease;
}

.product-image img:hover {
    transform: scale(1.02);
}

/* 商品详情区域 */
.product-details {
    background: #ffffff;
    padding: 32px;
}

.product-details > h2 {
    font-size: 28px;
    font-weight: 600;
    color: #333;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid #2c6ed2;
    position: relative;
}

.product-details > h2::before {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: linear-gradient(135deg, #2c6ed2 0%, #1a4ca9 100%);
}

/* ========== 标签切换按钮 ========== */
.tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    border-bottom: 2px solid #f0f0f0;
}

.tab-button {
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 500;
    color: #666;
    background: #f8f9fa;
    border: none;
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    bottom: -2px;
}

.tab-button:hover {
    background: rgba(44, 110, 210, 0.08);
    color: #2c6ed2;
}

.tab-button.active {
    background: linear-gradient(135deg, #2c6ed2 0%, #1a4ca9 100%);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(44, 110, 210, 0.3);
}

/* ========== 标签内容面板 ========== */
.tab-content {
    padding: 24px 0;
}

/* 产品特点内容 */
.tab-content article h3 {
    font-size: 20px;
    font-weight: 600;
    color: #2c6ed2;
    margin-top: 24px;
    margin-bottom: 12px;
    padding-left: 16px;
    border-left: 4px solid #2c6ed2;
}

.tab-content article h3:first-child {
    margin-top: 0;
}

.tab-content article p {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
    padding-left: 20px;
}

/* ========== 产品参数表格 ========== */
.tab-content table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 8px;
}

.tab-content table thead {
    background: linear-gradient(135deg, #2c6ed2 0%, #1a4ca9 100%);
}

.tab-content table thead tr th {
    padding: 16px 20px;
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    text-align: left;
    border: none;
}

.tab-content table thead tr th:first-child {
    border-radius: 8px 0 0 0;
}

.tab-content table thead tr th:last-child {
    border-radius: 0 8px 0 0;
}

.tab-content table tbody tr {
    transition: all 0.3s ease;
    border-bottom: 1px solid #f0f0f0;
}

.tab-content table tbody tr:hover {
    background: rgba(44, 110, 210, 0.05);
}

.tab-content table tbody tr:last-child {
    border-bottom: none;
}

.tab-content table tbody tr td {
    padding: 16px 20px;
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.tab-content table tbody tr td:first-child {
    font-weight: 600;
    color: #333;
    width: 200px;
}

/* ========== 响应式设计 ========== */
@media screen and (max-width: 992px) {
    .goods-detail {
        padding: 25px 15px;
    }

    .goods-detail > h1 {
        font-size: 28px;
    }

    .product-details {
        padding: 28px;
    }

    .product-details > h2 {
        font-size: 24px;
    }
}

@media screen and (max-width: 768px) {
    .goods-detail {
        padding: 20px 15px;
    }

    .goods-detail > h1 {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .product-summary {
        padding: 20px;
        margin-bottom: 20px;
    }

    .product-summary p {
        font-size: 15px;
    }

    .product-image {
        padding: 20px;
        margin-bottom: 20px;
    }

    .product-details {
        padding: 24px;
    }

    .product-details > h2 {
        font-size: 22px;
        margin-bottom: 20px;
    }

    .tabs {
        gap: 8px;
        flex-wrap: wrap;
    }

    .tab-button {
        padding: 10px 24px;
        font-size: 15px;
    }

    .tab-content article h3 {
        font-size: 18px;
    }

    .tab-content article p {
        font-size: 14px;
        padding-left: 16px;
    }

    .tab-content table tbody tr td:first-child {
        width: 140px;
    }
}

@media screen and (max-width: 576px) {
    .goods-detail {
        padding: 15px 10px;
    }

    .goods-detail > h1 {
        font-size: 20px;
        margin-bottom: 16px;
    }

    .product-summary {
        padding: 16px;
        margin-bottom: 16px;
    }

    .product-summary p {
        font-size: 14px;
    }

    .product-image {
        padding: 16px;
        margin-bottom: 16px;
    }

    .product-details {
        padding: 20px;
    }

    .product-details > h2 {
        font-size: 20px;
        margin-bottom: 16px;
        padding-bottom: 12px;
    }

    .tabs {
        gap: 6px;
    }

    .tab-button {
        padding: 8px 16px;
        font-size: 14px;
        flex: 1;
    }

    .tab-content {
        padding: 16px 0;
    }

    .tab-content article h3 {
        font-size: 16px;
        margin-top: 20px;
        margin-bottom: 10px;
        padding-left: 12px;
    }

    .tab-content article p {
        font-size: 13px;
        padding-left: 12px;
        margin-bottom: 16px;
    }

    /* 表格在小屏幕上的优化 */
    .tab-content table {
        font-size: 13px;
    }

    .tab-content table thead tr th {
        padding: 12px 12px;
        font-size: 14px;
    }

    .tab-content table tbody tr td {
        padding: 12px 12px;
        font-size: 13px;
        display: block;
        width: 100%;
    }

    .tab-content table tbody tr td:first-child {
        width: 100%;
        background: rgba(44, 110, 210, 0.08);
        border-radius: 6px 6px 0 0;
        padding-bottom: 8px;
    }

    .tab-content table tbody tr td:last-child {
        padding-top: 8px;
        padding-bottom: 16px;
    }

    .tab-content table thead {
        display: none;
    }

    .tab-content table tbody tr {
        display: block;
        margin-bottom: 16px;
        border: 1px solid #f0f0f0;
        border-radius: 8px;
        overflow: hidden;
    }
}

/* Container for the about content */
.about {
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Space between sections */
.about > section {
    margin-bottom: 40px;
}

/* Headings */
.about h1 {
    font-size: 32px;
    color: #0066cc;
    margin-bottom: 20px;
    border-bottom: 2px solid #0066cc;
    padding-bottom: 8px;
}

.about h2 {
    font-size: 26px;
    color: #004c99;
    margin-top: 30px;
    margin-bottom: 16px;
}

.about h3 {
    font-size: 22px;
    color: #003366;
    margin-top: 24px;
    margin-bottom: 12px;
}

/* Paragraphs */
.about p {
    margin: 12px 0;
    text-align: justify;
}

/* Lists */
.about ul {
    margin-left: 20px;
    margin-top: 12px;
    margin-bottom: 12px;
}

.about li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.about li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #0066cc;
}

/* Strong text */
.about strong {
    color: #004c99;
}

/* Responsive adjustments */
@media screen and (max-width: 768px) {
    .about {
        padding: 0 15px;
    }

    .about h1 {
        font-size: 28px;
    }

    .about h2 {
        font-size: 22px;
    }

    .about h3 {
        font-size: 20px;
    }
}
/* purchase.css - Styles for the purchase page */

/* Page container */
.purchase {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Section title */
.purchase h2 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 30px;
    text-align: center;
}

/* Contact list styling */
.contact-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Individual contact item */
.contact-item {
    background: #fafafa;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
    width: 400px;
}

/* Paragraphs inside a contact item */
.contact-item p {
    margin: 6px 0;
    line-height: 1.6;
    color: #555;
    font-size: 0.96rem;
}

/* Labels (strong) */
.contact-item p strong {
    display: inline-block;
    width: 90px; /* align values */
    font-weight: 600;
    color: #222;
}

/* Responsive adjustments */
@media screen and (max-width: 768px) {
    .purchase {
        padding: 30px 15px;
    }

    .contact-item {
        padding: 15px;
    }

    .contact-item p strong {
        width: 80px;
    }
}
/* ========== 商品列表页面布局 ========== */

/* 整体容器 */
.goods-page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px;
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

/* ========== 左侧商品筛选器 ========== */
.goods-list-filter {
    width: 280px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(44, 110, 210, 0.1);
    padding: 24px;
    position: sticky;
    top: 100px;
}

.goods-list-filter-item {
    margin-bottom: 24px;
}

.goods-list-filter-item:last-child {
    margin-bottom: 0;
}

.goods-list-filter-item-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid #2c6ed2;
    position: relative;
}

.goods-list-filter-item-title::before {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(135deg, #2c6ed2 0%, #1a4ca9 100%);
}

.goods-list-filter-item-content {
    list-style: none;
    padding: 0;
    margin: 0;
}

.goods-list-filter-item-content-item {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.goods-list-filter-item-content-item-name {
    font-size: 14px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: #f8f9fa;
    border: 1px solid transparent;
}
.goods-list-filter-item-content-item-name a {
    display: block;

    padding: 10px 16px;
    text-decoration: none;
    color: #666;
}
.goods-list-filter-item-content-item-name:hover {
    background: rgba(44, 110, 210, 0.08);
    color: #2c6ed2;
    border-color: rgba(44, 110, 210, 0.2);
    transform: translateX(4px);
}

.goods-list-filter-item-content-item-name.active {
    background: linear-gradient(135deg, #2c6ed2 0%, #1a4ca9 100%);

    box-shadow: 0 4px 12px rgba(44, 110, 210, 0.3);
}
.goods-list-filter-item-content-item-name.active a {
    color: #ffffff;
    font-weight: 500;
}
/* ========== 右侧商品列表 ========== */
.goods-list {
    flex: 1;
    min-width: 0;
}

.goods-list > ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.goods-list > ul > li {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(44, 110, 210, 0.1);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 24px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.goods-list > ul > li:hover {
    box-shadow: 0 8px 30px rgba(44, 110, 210, 0.2);
    transform: translateY(-4px);
    border-color: rgba(44, 110, 210, 0.2);
}

.goods-cover {
    width: 180px;
    height: 180px;
    object-fit: contain;
    border-radius: 10px;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.goods-list > ul > li:hover .goods-cover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(44, 110, 210, 0.3);
}

.goods-list > ul > li > div,
.goods-list > ul > li > a {
    flex: 1;
}

.goods-name {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 12px;
    line-height: 1.4;
}

.goods-sub-name {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.goods-list > ul > li > a {
    display: inline-block;
    padding: 12px 32px;
    background: linear-gradient(135deg, #2c6ed2 0%, #1a4ca9 100%);
    color: #ffffff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(44, 110, 210, 0.3);
    text-align: center;
    flex: 0 0 auto;
    align-self: center;
}

.goods-list > ul > li > a:hover {
    background: linear-gradient(135deg, #1a4ca9 0%, #2c6ed2 100%);
    box-shadow: 0 6px 20px rgba(44, 110, 210, 0.5);
    transform: translateY(-2px);
}

/* ========== 响应式设计 ========== */
@media screen and (max-width: 992px) {
    .goods-page-container {
        flex-direction: column;
    }

    .goods-list-filter {
        width: 100%;
        position: static;
    }

    .goods-list-filter-item-content-item {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .goods-list-filter-item-content-item-name {
        flex: 0 0 auto;
    }
}

@media screen and (max-width: 768px) {
    .goods-page-container {
        padding: 20px 15px;
        gap: 20px;
    }

    .goods-list-filter {
        padding: 20px;
    }

    .goods-list > ul > li {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
    }

    .goods-cover {
        width: 100%;
        height: 240px;
    }

    .goods-list > ul > li > a {
        width: 100%;
        align-self: stretch;
    }
}

@media screen and (max-width: 576px) {
    .goods-page-container {
        padding: 15px 10px;
    }

    .goods-list-filter {
        padding: 16px;
    }

    .goods-list-filter-item-title {
        font-size: 14px;
    }

    .goods-list > ul {
        gap: 15px;
    }

    .goods-list > ul > li {
        padding: 16px;
    }

    .goods-cover {
        height: 200px;
    }

    .goods-name {
        font-size: 18px;
    }

    .goods-sub-name {
        font-size: 13px;
    }
}

.contact-us {
    position: fixed;
    right: 20px;
    bottom: 100px;
    background-color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    padding: 20px;
    border-radius: 8px;
    width: 200px;
    z-index: 1000;
}

.contact-us-btn1 {
    width: 100%;
    padding: 12px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    margin-bottom: 10px;
    text-decoration: none;
    display: block;
    text-align: center;
}

.contact-us-btn1:hover {
    background-color: #0056b3;
}

.contact-us-text {
    text-align: center;
    font-size: 14px;
    color: #666;
    margin: 10px 0;
}

.contact-us-btn2-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-us-btn2 {
    display: block;
    padding: 10px;
    text-align: center;
    background-color: #f8f9fa;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    border: 1px solid #ddd;
}

.contact-us-btn2:hover {
    background-color: #e9ecef;
}

/* Contact Form Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.contact-us-form {
    max-width: 600px;
    margin: 40px auto;
    padding: 40px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.contact-us-form-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
    text-align: center;
}

.contact-us-form-subtitle {
    font-size: 16px;
    font-weight: 400;
    color: #666666;
    line-height: 1.6;
    margin-bottom: 32px;
    text-align: center;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    font-family: inherit;
    color: #333333;
    background-color: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    transition: all 0.3s ease;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9ca3af;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.5;
}

.form-group button {
    width: 100%;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    background-color: #3b82f6;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 8px;
}

.form-group button:hover {
    background-color: #2563eb;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.form-group button:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(59, 130, 246, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .contact-us-form {
        margin: 20px;
        padding: 24px;
    }

    .contact-us-form-title {
        font-size: 28px;
    }

    .contact-us-form-subtitle {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .contact-us-form {
        margin: 10px;
        padding: 20px;
    }

    .contact-us-form-title {
        font-size: 24px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px 12px;
    }

    .form-group button {
        padding: 12px 20px;
    }
}
/* 商品轮播图容器 */
.product-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: #f8f9fa;
    border-radius: 8px;
}

/* 左右切换按钮 */
.product-slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
}

.product-slider:hover .product-slider-btn {
    opacity: 1;
    visibility: visible;
}

.product-slider-btn:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: translateY(-50%) scale(1.1);
}

.product-slider-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.product-slider-prev {
    left: 20px;
}

.product-slider-next {
    right: 20px;
}

/* 商品图片卡片 */
.product-image-card {
    display: none;
    width: 100%;
    animation: fadeIn 0.5s ease-in-out;
}

.product-image-card.active {
    display: block;
}

/* 淡入动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.product-image-card img {
    width: auto;
    height: 450px;
    display: block;
    transition: transform 0.3s ease;
    margin: 0 auto;
}

.product-image-card img:hover {
    transform: scale(1.02);
}

/* 轮播图控制器 */
.product-slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    padding: 10px 0;
}

/* 轮播图圆点 */
.product-slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #d1d5db;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.product-slider-dot:hover {
    background: #9ca3af;
    transform: scale(1.2);
}

.product-slider-dot.active {
    background: #2563eb;
    width: 32px;
    border-radius: 6px;
    border-color: #2563eb;
}

/*页面提交提示*/

.commit-message-container {
    border-radius: 16px;
    padding: 48px 40px;
    text-align: center;
}

/* 标题样式 */
.commit-message-title {
    font-size: 28px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.commit-message-container p {
    font-size: 16px;
    color: #718096;
    line-height: 1.6;
    margin-bottom: 32px;
}

/* 图标基础样式 */
.success-icon,
.error-icon {
    display: inline-block;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    position: relative;
    margin-right: 12px;
}

/* 成功图标 */
.success-icon {
    background: #48bb78;
}

.success-icon::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    margin: auto;
    width: 12px;
    height: 22px;
    border: solid #ffffff;
    border-width: 0 3px 3px 0;
    transform: rotate(45deg);
}

/* 失败图标 */
.error-icon {
    background: #f56565;
}

.error-icon::before,
.error-icon::after {
    content: "";
    position: absolute;
    left: 30px;
    top: 18px;
    width: 4px;
    height: 28px;
    background: #ffffff;
    border-radius: 2px;
}

.error-icon::before {
    transform: rotate(45deg);
}

.error-icon::after {
    transform: rotate(-45deg);
}

/* 返回首页链接 */
.commit-message-container a {
    display: inline-block;
    padding: 12px 32px;
    background: linear-gradient(135deg, #2c6ed2 0%, #1a4ca9 100%);
    color: #ffffff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.commit-message-container a:hover {
    background: linear-gradient(135deg, #1a4ca9 0%, #2c6ed2 100%);
    box-shadow: 0 6px 20px rgba(44, 110, 210, 0.5);
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 600px) {
    .commit-message-container {
        padding: 36px 24px;
    }

    .commit-message-title {
        font-size: 24px;
    }

    .commit-message-container p {
        font-size: 14px;
    }
}

/*保修查询*/
.support-detail-content {
    margin: 0 200px;
}
@media (max-width: 600px) {
    .support-detail-content {
        margin: 0;
    }
}
.support-detail-baseinfo {
    padding: 30px 20px;
}
.support-detail-model-name {
    color: #2c3e50;
    font-weight: 600;
}

.support-detail-model-warrantyperiod {
    color: #7f8c8d;
    font-size: 0.9em;
}