/*
Theme Name: Shunlin Tech International Theme
Theme URI: https://shunlin-tech.com
Author: Shunlin Tech
Author URI: https://shunlin-tech.com
Description: WordPress theme for foreign trade enterprises
Version: 1.0.5
License: GPL v2 or later
Text Domain: shunlin
*/

:root {
    --primary-color: #1a5fb4;
    --secondary-color: #e66100;
    --accent-color: #26a269;
    --text-dark: #1c1c1c;
    --text-light: #5e5e5e;
    --bg-light: #f6f6f6;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 16px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
    --container-width: 1280px;
    --header-height: 80px;
    --border-radius: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    padding-top: var(--header-height);
}
img { max-width: 100%; height: auto; }
a { text-decoration: none; color: var(--primary-color); transition: var(--transition); }
a:hover { color: var(--secondary-color); }

.container { max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-title { text-align: center; font-size: 2.5rem; font-weight: 700; margin-bottom: 1rem; }
.section-subtitle { text-align: center; font-size: 1.1rem; color: var(--text-light); margin-bottom: 3rem; }

.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-height);
    background: var(--bg-white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}
.site-header.sticky { box-shadow: var(--shadow-hover); }

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.site-branding {
    display: flex;
    align-items: center;
    gap: 12px;
}

.site-logo { height: 50px; width: auto; }

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.main-navigation {
    display: flex;
    align-items: center;
    gap: 30px;
}

.main-navigation ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.main-navigation a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-dark);
    padding: 8px 0;
    position: relative;
}

.main-navigation a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.main-navigation a:hover::after,
.main-navigation a.current::after { width: 100%; }
.main-navigation a:hover { color: var(--primary-color); }

.lang-switcher {
    position: relative;
    z-index: 1001;
}

.lang-switcher .lang-switcher__toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.9rem;
}

.lang-switcher__menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-hover);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    list-style: none;
}

.lang-switcher__menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-switcher__menu a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border-color);
}

.lang-switcher__menu a:hover { background: var(--bg-light); }

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.search-toggle:hover {
    background: var(--primary-color);
    color: white;
}

.search-form-container {
    position: absolute;
    top: 100%;
    right: 20px;
    margin-top: 10px;
    background: var(--bg-white);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-hover);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.search-form-container.active {
    opacity: 1;
    visibility: visible;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition);
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
    padding-top: var(--header-height);
    position: relative;
    overflow: hidden;
}

.hero-content { max-width: 600px; padding: 0 20px; }

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.hero-title span { color: var(--primary-color); }

.hero-description {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

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

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 60px;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
}

.products-section { background: var(--bg-white); }

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.product-card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.product-image {
    aspect-ratio: 16/10;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-content { padding: 24px; }

.product-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.product-description {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 20px;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    color: var(--primary-color);
}

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

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.case-card {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 16/10;
}

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

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

.case-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: white;
}

.case-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.about-section { background: var(--bg-white); }

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.about-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.contact-form {
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

.site-footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
    max-width: var(--container-width);
    margin: 0 auto 40px;
    padding: 0 20px;
}

.footer-column h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

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

.footer-column li { margin-bottom: 12px; }

.footer-column a {
    color: rgba(255,255,255,0.7);
}

.footer-column a:hover { color: white; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255,255,255,0.7);
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 30px 20px 0;
}

.floating-actions {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    z-index: 999;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--shadow-hover);
    transition: var(--transition);
    cursor: pointer;
}

.floating-btn.whatsapp { background: #25d366; }
.floating-btn.inquiry { background: var(--primary-color); }
.floating-btn:hover { transform: scale(1.1); }

.widget-area {
    background: var(--bg-light);
    padding: 40px 0;
}

.widget {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.widget-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.widget ul {
    list-style: none;
}

.widget li {
    margin-bottom: 8px;
}

.widget a {
    color: var(--text-light);
}

.widget a:hover {
    color: var(--primary-color);
}

@media (max-width: 1024px) {
    .main-navigation ul { display: none; }
    .mobile-menu-toggle { display: flex; }
    .header-actions .btn-primary { display: none; }
    .about-grid,
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    :root { --header-height: 70px; }
    .hero-title { font-size: 2.5rem; }
    .section-title { font-size: 2rem; }
    .hero-stats { flex-direction: column; gap: 20px; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .floating-actions {
        bottom: 20px;
        right: 20px;
    }
    .floating-btn {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2rem; }
    .hero-description { font-size: 1rem; }
    .section { padding: 60px 0; }
    .contact-form { padding: 24px; }
}

/* 语言切换器修复样式 */
.lang-switcher__menu {
    z-index: 1002;
}

.lang-switcher__menu li {
    margin: 0;
    padding: 0;
}

.lang-switcher__menu li:last-child a {
    border-bottom: none;
}

/* 向下滚动按钮样式 */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-white);
    font-size: 0.875rem;
    cursor: pointer;
    z-index: 10;
    animation: bounce 2s infinite;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.scroll-indicator svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
}

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

.scroll-indicator:hover {
    color: var(--primary-color);
}

/* ==========================================
   归档页面样式
   ========================================== */

/* 内容包装器 */
.content-wrapper {
    padding: 120px 0 80px;
    min-height: calc(100vh - 400px);
}

/* 归档页面标题 */
.page-header {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.archive-description {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* 文章网格布局 */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

@media (max-width: 1024px) {
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .posts-grid {
        grid-template-columns: 1fr;
    }
}

/* 文章卡片 */
.post-card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.post-thumbnail-link {
    display: block;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.post-thumbnail-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.post-card:hover .post-thumbnail-link img {
    transform: scale(1.05);
}

.post-card__content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.post-card .entry-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

.post-card .entry-title a {
    color: var(--text-dark);
}

.post-card .entry-title a:hover {
    color: var(--primary-color);
}

.post-card .entry-meta {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 12px;
}

.post-card .entry-summary {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 15px;
    flex-grow: 1;
}

.post-card .read-more {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.95rem;
    margin-top: auto;
}

.post-card .read-more:hover {
    color: var(--secondary-color);
}

/* 分页导航 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 15px;
    border-radius: 4px;
    background: var(--bg-white);
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.pagination a:hover {
    background: var(--primary-color);
    color: var(--bg-white);
    border-color: var(--primary-color);
}

.pagination .current {
    background: var(--primary-color);
    color: var(--bg-white);
    border-color: var(--primary-color);
}

/* 文章页面样式 */
.single-post .entry-header {
    margin-bottom: 30px;
}

.single-post .entry-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
}

.single-post .post-thumbnail {
    margin-bottom: 30px;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.single-post .post-thumbnail img {
    width: 100%;
    height: auto;
}

.single-post .entry-content {
    font-size: 1.1rem;
    line-height: 1.8;
}

.single-post .entry-content h2,
.single-post .entry-content h3,
.single-post .entry-content h4 {
    margin-top: 30px;
    margin-bottom: 15px;
}

.single-post .entry-content p {
    margin-bottom: 20px;
}

.single-post .entry-content ul,
.single-post .entry-content ol {
    margin-bottom: 20px;
    padding-left: 30px;
}

.single-post .entry-content li {
    margin-bottom: 8px;
}

/* ==========================================
   页脚样式修复
   ========================================== */

/* 页脚底部布局 */
.footer-bottom-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.copyright {
    margin: 0;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

/* 页脚语言切换器 */
.footer-lang {
    display: flex;
    align-items: center;
    gap: 10px;
}

.lang-label {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

.lang-switcher-inline {
    display: flex;
    gap: 8px;
}

.lang-link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 4px;
    color: rgba(255,255,255,0.7);
    font-size: 0.85rem;
    transition: all 0.3s;
    background: rgba(255,255,255,0.1);
}

.lang-link:hover {
    background: rgba(255,255,255,0.2);
    color: #fff;
}

.lang-link.active {
    background: var(--accent-color);
    color: #fff;
}

.lang-flag {
    font-size: 1rem;
}

.lang-name {
    font-weight: 500;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .lang-switcher-inline {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ==========================================
   浮动按钮样式修复
   ========================================== */

/* 浮动按钮容器 - 固定在右下角 */
.floating-cta {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* WhatsApp按钮 */
.floating-btn.whatsapp-btn {
    background: #25d366;
}

/* 询盘按钮 */
.floating-btn.inquiry-btn {
    background: var(--primary-color);
    border: none;
    outline: none;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .floating-cta {
        bottom: 20px;
        right: 20px;
    }
    
    .floating-btn {
        width: 50px;
        height: 50px;
    }
    
    .floating-btn svg {
        width: 24px;
        height: 24px;
    }
}