/* ========================================
   STYLE.CSS - AUTOPARTS PRO FINAL VERSION
   ========================================
*/

/* --- 1. BASE SETTINGS & VARIABLES --- */
:root {
    --primary: #FF5722;   /* Racing Orange */
    --dark: #1A1A1A;      /* Carbon Black */
    --light-bg: #F9F9F9;  /* Light Gray Section BG */
    --border: #EEEEEE;
    --text: #333333;
    --white: #FFFFFF;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { 
    font-family: 'Inter', sans-serif; 
    color: var(--text); 
    line-height: 1.6; 
    overflow-x: hidden; 
    background-color: var(--white);
}
.container { max-width: 1240px; margin: 0 auto; padding: 0 20px; }
ul { list-style: none; }
a { text-decoration: none; transition: 0.3s; color: inherit; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }

/* --- 2. TOPBAR & NAVIGATION --- */
.top-bar { background: var(--light-bg); padding: 10px 0; font-size: 13px; border-bottom: 1px solid var(--border); }
.promo-text { font-weight: 600; color: var(--primary); }
.lang-switch a { color: #666; font-weight: 600; padding: 0 5px; }
.lang-switch a.active { color: var(--dark); }

.main-header { background: var(--white); padding: 20px 0; position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.header-grid { display: grid; grid-template-columns: 220px 1fr auto; align-items: center; gap: 30px; }
.logo { font-size: 26px; font-weight: 800; color: var(--dark); letter-spacing: -1px; }
.logo span { color: var(--primary); }
.search-bar { display: flex; border: 2px solid var(--dark); border-radius: 4px; overflow: hidden; }
.search-bar input { flex: 1; border: none; padding: 10px 15px; outline: none; }
.search-bar button { background: var(--dark); color: var(--white); border: none; padding: 0 20px; font-weight: 600; cursor: pointer; }
.main-nav {
    display: flex;
}
.main-nav ul {
    display: flex;
    gap: 20px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav a {
    font-weight: 600;
    color: var(--dark);
    font-size: 15px;
}

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


/* --- 3. HERO & BANNERS --- */
.hero {
    position: relative;
    overflow: hidden;
    color: var(--white);
    padding: 100px 0;
    background: var(--dark); /* 底色 */
}

/* 幻灯片容器：铺满整个 hero */
.hero-bg-slides {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* 每一张图的通用样式 */
.hero-bg-slides .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0; /* 默认隐藏 */
    transition: opacity 1.5s ease-in-out; /* 1.5秒淡入淡出，极其丝滑 */
}

/* 叠加遮罩，防止背景图干扰文字阅读 */
.hero-bg-slides::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.5); /* 黑色半透明遮罩 */
    z-index: 1;
}

/* 当前显示的图 */
.hero-bg-slides .slide.active {
    opacity: 1;
}

/* 图片路径 */
.bg-1 { background-image: url('../img/t1.jpg'); }
.bg-2 { background-image: url('../img/t2.jpg'); }
.bg-3 { background-image: url('../img/t3.jpg'); }

/* 确保内容在背景之上 */
.hero .container {
    position: relative;
    z-index: 2;
}
.hero-content { max-width: 650px; }
.hero h1 { font-size: 52px; font-weight: 800; line-height: 1.1; margin: 20px 0; }
.btn-main { background: var(--primary); color: var(--white); padding: 15px 40px; border-radius: 4px; font-weight: 800; display: inline-block; }

.mid-banner-container { padding: 40px 0; }
.mid-banner { 
    height: 350px; 
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('../img/t4.jpg'); 
    background-size: cover; background-position: center; border-radius: 8px; 
    display: flex; align-items: center; justify-content: center; text-align: center; color: var(--white); 
}

/* --- 4. PRODUCT CARDS & GRID --- */
.section { padding: 80px 0; }
.title-group { text-align: center; margin-bottom: 50px; }
.title-group h2 { font-size: 32px; font-weight: 800; position: relative; padding-bottom: 15px; text-transform: uppercase; }
.title-group h2::after { content: ''; width: 60px; height: 4px; background: var(--primary); position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); }

.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.product-card { background: var(--white); border: 1px solid var(--border); transition: 0.4s; position: relative; display: flex; flex-direction: column; }
.product-card:hover { transform: translateY(-10px); box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.badge { position: absolute; top: 15px; left: 15px; background: var(--primary); color: var(--white); padding: 4px 10px; font-size: 12px; font-weight: 800; z-index: 5; }
.img-box { height: 260px; background: var(--white); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.img-box img { max-width: 85%; max-height: 85%; object-fit: contain; transition: 0.5s; }
.card-info { padding: 25px; border-top: 1px solid var(--border); flex-grow: 1; }
.card-info h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--dark);

    /* --- 核心修改：多行截断 --- */
    display: -webkit-box;           /* 必须结合 box 模型 */
    -webkit-line-clamp: 2;          /* 限制显示的行数（这里设为2行） */
    -webkit-box-orient: vertical;   /* 设置伸缩盒子的子元素排列方式 */
    overflow: hidden;               /* 隐藏超出部分 */
    text-overflow: ellipsis;        /* 超出部分用省略号 */
    
    white-space: normal;            /* 允许正常换行 */
    height: 2.4em;                  /* 可选：固定高度保持对齐（行高1.2 * 2） */
}
.card-info h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--dark);
    
    /* 核心代码：强制单行 */
    white-space: nowrap;      /* 强制文本不换行 */
    overflow: hidden;         /* 隐藏超出容器的部分 */
    text-overflow: ellipsis;  /* 用省略号(...)表示截断的文本 */
    display: block;           /* 确保它是一个块级元素以应用宽度限制 */
}
.oem { font-size: 13px; color: #888; margin-bottom: 15px; font-family: monospace;height: 24px;white-space: nowrap;overflow: hidden;display: block; text-overflow: ellipsis;  }
.price {
    font-size: 14px;
    font-weight: 800;
    color: var(--primary);
    
    /* --- 核心修改：多行截断 --- */
    display: -webkit-box;
    -webkit-line-clamp: 2;          /* 车型信息较多，建议显示2行 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    
    white-space: normal;            /* 允许在空格处换行 */
    width: 100%;                    /* 确保宽度占满卡片，不要用 33% */
    height: 2.8em;                  /* 保持卡片高度整齐 */
    line-height: 1.4;
    margin-top: 5px;
}
.btn-view { width: 100%; border: 2px solid var(--dark); background: transparent; padding: 10px; font-weight: 700; cursor: pointer; margin-top: 15px; }
.btn-view:hover { background: var(--dark); color: var(--white); }

/* --- 5. CATALOG SPECIFIC (3 COLUMNS x 5 ROWS) --- */
.breadcrumb-bar { background: var(--light-bg); padding: 15px 0; font-size: 14px; border-bottom: 1px solid var(--border); margin-bottom: 40px; }
.catalog-container { display: grid; grid-template-columns: 280px 1fr; gap: 40px; padding-bottom: 80px; }
.catalog-grid { 
    display: grid;
    /* 关键点：使用 minmax(0, 1fr) 防止内容撑开宽度 */
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important; 
    gap: 25px;
}
.catalog-grid .img-box { height: 220px; } /* 目录页略调低高度以平衡宽度 */

.catalog-sidebar { background: var(--white); }
.filter-group { margin-bottom: 35px; border-bottom: 1px solid var(--border); padding-bottom: 20px; }
.filter-group h4 { font-size: 16px; font-weight: 800; margin-bottom: 20px; color: var(--dark); }
.cat-list a { color: #555; font-size: 15px; display: block; margin-bottom: 10px; }
.cat-list a:hover, .cat-list a.active { color: var(--primary); font-weight: 600; }
.sub-cat { padding-left: 15px; display: none; margin-top: 5px; }

/* --- PAGINATION FIX --- */
.pagination {
    margin-top: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap; /* 适配移动端防止溢出 */
}

.pagination a {
    /* 核心修改点：去掉固定 width，改用 min-width 和 padding */
    min-width: 40px; 
    height: 40px;
    padding: 0 15px; /* 给左右留出足够的空间，适合 "Next" 或 "下一页" */
    
    display: inline-flex;
    align-items: center;
    justify-content: center;
    
    border: 1px solid var(--border);
    color: var(--dark);
    font-weight: 600;
    text-decoration: none;
    transition: 0.3s;
    white-space: nowrap; /* 强制文字不换行 */
    border-radius: 4px;  /* 稍微圆角更现代 */
}

.pagination a.active, 
.pagination a:hover {
    background: var(--dark);
    color: var(--white);
    border-color: var(--dark);
}

/* 如果你希望数字页码保持正方形，而文字页码自动伸长，可以加这一行 */
.pagination a:not(:has(span)):not(:empty) {
    /* 如果内容只是 1-2 位数字，保持 40px，长文字则由 padding 撑开 */
}
/* --- 6. SLIDERS (SLICK CUSTOM) --- */
.slider-section { background: var(--light-bg); }
.slide-item { padding: 10px; }
.brands-section { padding: 60px 0; border-top: 1px solid var(--border); }
.brand-item { display: flex !important; justify-content: center; align-items: center; padding: 10px; }
.brand-item img { 
    max-width: 100px; height: auto; 
    filter: grayscale(100%); opacity: 0.6; transition: 0.3s; 
}
.brand-item img:hover { filter: grayscale(0%); opacity: 1; }

/* --- 7. FOOTER --- */
footer { background: var(--dark); color: var(--white); padding: 80px 0 30px; }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 60px; margin-bottom: 50px; }
.footer-col h4 { margin-bottom: 25px; border-left: 4px solid var(--primary); padding-left: 15px; }
.footer-col p, .footer-col li { color: #aaa; font-size: 14px; margin-bottom: 10px; }
.footer-bottom { text-align: center; border-top: 1px solid #333; padding-top: 30px; font-size: 14px; color: #666; }

/* --- 8. ANIMATIONS --- */
.reveal { opacity: 0; transform: translateY(40px); transition: 0.8s all ease; }
.active-reveal { opacity: 1; transform: translateY(0); }

/* --- 9. RESPONSIVE --- */
@media (max-width: 1100px) {
    .catalog-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .catalog-container { grid-template-columns: 1fr; }
    .catalog-sidebar { display: none; }
}
@media (max-width: 992px) {
    .header-grid { grid-template-columns: 1fr; text-align: center; }
    .search-bar { width: 90%; margin: 0 auto; }
    .main-nav { justify-content: center; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
}
@media (max-width: 600px) {
    .catalog-grid { grid-template-columns: 1fr !important; }
    .hero h1 { font-size: 32px; }
}
/* --- CATALOG TOOLBAR FIX --- */
.catalog-toolbar {
    background: #fff;
    padding: 15px 25px;
    border: 1px solid var(--border);
    margin-bottom: 30px;
    border-radius: 4px;
    display: flex; /* 确保弹性布局 */
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}

.catalog-toolbar p {
    font-size: 14px;
    color: #666;
    font-weight: 600;
}

.sort-select {
    padding: 10px 15px;
    border: 1px solid var(--border);
    border-radius: 4px;
    outline: none;
    font-family: inherit;
    font-size: 14px;
    cursor: pointer;
    background-color: #fff;
}

.sort-select:focus {
    border-color: var(--primary);
}

/* --- SIDEBAR NAVIGATION FIX --- */
.catalog-sidebar {
    background: #fff;
    padding-right: 10px; /* 给右侧展示区留出一点呼吸感 */
}

.filter-group {
    margin-bottom: 40px;
    padding-bottom: 10px;
}

.filter-group h4 {
    font-size: 16px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary); /* 标题下划线风格 */
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 分类列表 */
.cat-list li {
    margin-bottom: 12px;
}

.cat-list a {
    color: #444;
    font-size: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
    padding: 5px 0;
}

.cat-list a:hover, 
.cat-list a.active {
    color: var(--primary);
    padding-left: 5px; /* 悬停微移效果 */
    font-weight: 600;
}

/* 子分类 */
.sub-cat {
    padding-left: 20px;
    margin-top: 10px;
    border-left: 1px solid var(--border);
}

.sub-cat li {
    margin-bottom: 8px;
}

.sub-cat a {
    font-size: 13px;
    color: #777;
}

/* 复选框样式修正 (用于 Brand Filter) */
.check-container {
    display: block;
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
    cursor: pointer;
    font-size: 14px;
    color: #555;
    user-select: none;
}

.check-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: #eee;
    border-radius: 3px;
    border: 1px solid #ddd;
}

.check-container:hover input ~ .checkmark {
    background-color: #e0e0e0;
}

.check-container input:checked ~ .checkmark {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.check-container input:checked ~ .checkmark:after {
    display: block;
}

.check-container .checkmark:after {
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
/* --- DETAIL PAGE LAYOUT --- */
.detail-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    padding: 40px 20px 80px;
}

/* GALLERY */
.detail-gallery { overflow: hidden; }
.main-img-slider { 
    border: 1px solid var(--border); 
    background: #fff; 
    margin-bottom: 15px;
}
.main-img-slider img { width: 100%; display: block; }
.thumb-nav { margin: 0 -5px; }
/* 缩略图外层容器 */
.thumb-nav .item { 
    padding: 0 5px; 
    cursor: pointer; 
    outline: none; /* 去除点击时的蓝色边框 */
}

/* 强制缩略图固定尺寸，例如 4:3 比例 */
.thumb-nav img { 
    border: 2px solid transparent; 
    height: 60px;      /* 这里设置你需要的固定高度 */
    object-fit: cover; /* 核心：裁切多余部分，保持比例不变形 */
    transition: 0.3s; 
    display: block;
}

/* 选中状态 */
.thumb-nav .slick-current img { 
    border-color: var(--primary); 
}

/* 选中状态 */
.thumb-nav .slick-current img { 
    border-color: var(--primary); 
}
/* INFO SECTION */
.detail-info h1 { font-size: 32px; color: var(--dark); margin-bottom: 15px; }
.price-tag { 
    font-size: 28px; font-weight: 800; color: var(--primary); 
    margin-bottom: 30px; border-bottom: 2px solid var(--light-bg); 
    padding-bottom: 15px;
}

.spec-table { margin-bottom: 30px; }
.spec-row { 
    display: flex; padding: 12px 0; 
    border-bottom: 1px dashed var(--border); 
    font-size: 15px;
}
.spec-row strong { width: 120px; color: #666; }
.spec-row span { color: var(--dark); font-weight: 600; }

.short-desc { background: var(--light-bg); padding: 20px; border-radius: 4px; margin-bottom: 30px; }

/* MODAL / POPUP */
.modal-overlay {
    display: none; position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.7); z-index: 2000;
}
.modal-content {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    background: #fff; width: 100%; max-width: 500px;
    padding: 30px; border-radius: 8px;
}
.modal-header { 
    display: flex; justify-content: space-between; 
    margin-bottom: 25px; border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
}
.close-modal { cursor: pointer; font-size: 24px; color: #999; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 600; font-size: 14px; }
.form-group input, .form-group textarea {
    width: 100%; padding: 12px; border: 1px solid var(--border);
    outline: none; font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); }

/* RESPONSIVE */
@media (max-width: 768px) {
    .detail-container { grid-template-columns: 1fr; }
}
/* --- CONTACT PAGE STYLES --- */
.contact-page {
    padding: 60px 20px 100px;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr; /* 左右比例 */
    gap: 80px;
    background: #fff;
}

/* LEFT SIDE */
.contact-info-box h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 15px;
}
.contact-info-box .subtitle {
    color: #777;
    margin-bottom: 40px;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}
.info-item .icon {
    font-size: 24px;
    width: 50px;
    height: 50px;
    background: var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}
.info-item h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: var(--dark);
}
.info-item p {
    color: #666;
    font-size: 14px;
}

.map-container {
    margin-top: 40px;
    filter: grayscale(100%); /* 地图调成灰色符合工业风 */
    transition: 0.3s;
}
.map-container:hover { filter: grayscale(0%); }

/* RIGHT SIDE (FORM) */
.contact-form-box {
    background: var(--white);
    padding: 40px;
    border: 1px solid var(--border);
    box-shadow: 0 15px 40px rgba(0,0,0,0.05);
    border-radius: 8px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    .contact-info-box { text-align: center; }
    .info-item { flex-direction: column; align-items: center; text-align: center; }
}
/* --- ABOUT PAGE SPECIFIC --- */

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

.intro-image {
    position: relative;
}
.intro-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 20px 20px 0px var(--primary); /* 装饰性背影 */
}
.experience-badge {
    position: absolute;
    bottom: -20px;
    right: 20px;
    background: var(--dark);
    color: var(--white);
    padding: 20px 30px;
    border-radius: 4px;
    text-align: center;
}
.experience-badge span {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    display: block;
}

.tagline {
    color: var(--primary);
    font-weight: 800;
    letter-spacing: 2px;
}
.intro-text h2 {
    font-size: 38px;
    margin: 15px 0 25px;
    line-height: 1.2;
}
.stats-row {
    display: flex;
    gap: 30px;
    margin-top: 40px;
    border-top: 1px solid var(--border);
    padding-top: 30px;
}
.stat-item strong {
    font-size: 24px;
    color: var(--dark);
    display: block;
}
.stat-item p {
    font-size: 13px;
    color: #777;
}

/* Values Grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.value-card {
    background: var(--white);
    padding: 40px;
    text-align: center;
    border-radius: 8px;
    transition: 0.3s;
}
.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}
.value-card .icon {
    font-size: 40px;
    margin-bottom: 20px;
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.gallery-grid img {
    width: 100%;
    border-radius: 4px;
    filter: brightness(0.9);
    transition: 0.3s;
}
.gallery-grid img:hover {
    filter: brightness(1);
}

/* Responsive */
@media (max-width: 992px) {
    .grid-2, .values-grid, .gallery-grid {
        grid-template-columns: 1fr;
    }
    .intro-image img { box-shadow: none; }
}
/* --- FAQ 专属样式 --- */
.faq-section {
    background-color: var(--light-bg);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: 0.3s;
}

.faq-item.active {
    border-color: var(--primary);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.faq-question {
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    color: var(--dark);
    font-size: 17px;
    user-select: none;
}

.faq-question:hover {
    color: var(--primary);
}

.arrow-icon {
    font-style: normal;
    font-size: 22px;
    color: #ccc;
    transition: 0.3s;
}

.faq-item.active .arrow-icon {
    transform: rotate(45deg); /* 展开时变叉号或旋转 */
    color: var(--primary);
}

.faq-answer {
    padding: 0 25px 25px;
    display: none; /* 默认隐藏 */
    color: #666;
    line-height: 1.8;
    font-size: 15px;
    border-top: 1px solid #f9f9f9;
}

.faq-footer {
    text-align: center;
    margin-top: 50px;
}

.faq-footer p {
    margin-bottom: 20px;
    color: #888;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .faq-question {
        font-size: 15px;
        padding: 15px;
    }
}