/* 全局重置+核心配色（真人剧传媒风：影视黑+院线红+科技蓝） */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Montserrat", "Microsoft Yahei", sans-serif;
}

:root {
    --primary: #1A1A1A;    /* 主色-影视黑（专业、沉浸式） */
    --accent: #E50914;     /* 强调色-院线红（吸睛、影视属性） */
    --secondary: #00A3FF;  /* 辅助色-科技蓝（宣发、数字化） */
    --light: #F5F5F5;      /* 浅文本/背景色 */
    --gray: #888888;       /* 灰色文本 */
    --shadow: 0 6px 24px rgba(0,0,0,0.15); /* 影视质感阴影 */
    --hover-shadow: 0 12px 36px rgba(229, 9, 20, 0.2); /* 红调悬浮阴影 */
}

body {
    background-color: var(--primary);
    color: var(--light);
    line-height: 1.8;
    overflow-x: hidden;
}

/* 通用容器（宽屏适配，贴合影视画面比例） */
.container {
    width: 92%;
    max-width: 1440px;
    margin: 0 auto;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.4s ease;
}

ul {
    list-style: none;
}

/* 头部导航（差异化：暗黑玻璃质感+固定悬浮） */
.header {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 20px 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
}

.nav-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 28px;
    font-weight: 900;
    letter-spacing: 2px;
    color: var(--accent);
}

.logo span {
    color: var(--secondary);
}

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-menu li a {
    font-size: 16px;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 导航hover特效（差异化：院线红渐变光效） */
.nav-menu li a::after {
    content: "";
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--secondary));
    transition: width 0.4s ease;
}

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

/* 横幅区域（差异化：影视海报式全屏背景+视差质感） */
.banner {
    margin-top: 80px;
    height: 80vh;
    background: url("https://tse-mm.bing.com/th?q=AG真人剧 影视海报风格") center/cover no-repeat;
    position: relative;
    display: flex;
    align-items: flex-end;
    padding: 60px 0;
}

.banner::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, var(--primary), transparent 50%);
}

.banner-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.banner-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--accent);
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.banner-content p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.6;
}

/* 核心内容区（差异化：影视分镜式排版） */
.main-content {
    padding: 80px 0;
}

.section-title {
    font-size: 36px;
    margin-bottom: 60px;
    position: relative;
    display: inline-block;
    color: var(--light);
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 100px;
    height: 4px;
    background: var(--accent);
}

/* 首页内容布局（差异化：左右分栏+影视卡片） */
.home-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.text-box p {
    color: var(--gray);
    margin-bottom: 25px;
    font-size: 17px;
    line-height: 1.8;
}

.text-box p strong {
    color: var(--secondary);
    font-weight: 600;
}

.img-box {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.img-box img {
    width: 100%;
    transform: scale(1.05);
    transition: transform 0.8s ease;
}

.img-box:hover img {
    transform: scale(1.1);
}

.img-box::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(229,9,20,0.1), rgba(0,163,255,0.1));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.img-box:hover::after {
    opacity: 1;
}

/* 产品/业务展示（差异化：影视海报式卡片） */
.product-section {
    padding: 60px 0;
    background: rgba(0,0,0,0.3);
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    margin: 40px 0;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 40px;
}

.product-card {
    background: var(--primary);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.5s ease;
    border: 1px solid rgba(255,255,255,0.05);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--hover-shadow);
    border-color: rgba(229,9,20,0.2);
}

.product-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
}

.product-card .card-info {
    padding: 30px;
}

.product-card .card-info h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--accent);
}

.product-card .card-info p {
    color: var(--gray);
    font-size: 15px;
    line-height: 1.7;
}

/* 案例展示（差异化：影视分镜式大图卡片） */
.case-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.case-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    height: 450px;
    box-shadow: var(--shadow);
    transition: all 0.6s ease;
}

.case-card:hover {
    transform: scale(1.02);
    box-shadow: var(--hover-shadow);
}

.case-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s ease;
}

.case-card:hover img {
    transform: scale(1.1);
}

.case-card .case-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 40px;
    background: linear-gradient(to top, var(--primary), transparent);
}

.case-card .case-info h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--light);
}

.case-card .case-info p {
    color: var(--gray);
    line-height: 1.7;
}

/* 新闻资讯（差异化：影视资讯式卡片） */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.news-item {
    padding: 30px;
    background: rgba(0,0,0,0.2);
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
    border-left: 4px solid transparent;
}

.news-item:hover {
    border-left: 4px solid var(--accent);
    transform: translateX(5px);
}

.news-item .news-title {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--light);
}

.news-item .news-date {
    font-size: 14px;
    color: var(--secondary);
    margin-bottom: 15px;
    display: inline-block;
    background: rgba(0,163,255,0.1);
    padding: 5px 15px;
    border-radius: 20px;
}

.news-item .news-desc {
    color: var(--gray);
    line-height: 1.7;
}

/* 联系我们（差异化：影视制片式表单+红蓝渐变） */
.contact-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    background: linear-gradient(135deg, var(--primary), #000);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(229,9,20,0.1);
}

.contact-info .info-item {
    margin-bottom: 35px;
}

.contact-info .info-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--accent);
}

.contact-info .info-item p {
    color: var(--gray);
    line-height: 1.8;
}

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

.contact-form input, .contact-form textarea {
    padding: 18px 20px;
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    font-size: 16px;
    color: var(--light);
    transition: all 0.4s ease;
}

.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(229,9,20,0.1);
}

.contact-form button {
    padding: 18px;
    background: linear-gradient(90deg, var(--accent), var(--secondary));
    color: var(--light);
    border: none;
    border-radius: 8px;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-form button:hover {
    transform: translateY(-3px);
    box-shadow: var(--hover-shadow);
}

/* 底部（差异化：影视片尾式版权栏） */
.footer {
    background: #000;
    padding: 80px 0 30px;
    margin-top: 80px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 15px;
    color: var(--gray);
}

/* 响应式适配（差异化：影视画面比例适配） */
@media (max-width: 1200px) {
    .home-content {
        grid-template-columns: 1fr;
    }
    .case-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .contact-wrap {
        grid-template-columns: 1fr;
    }
    .banner-content h1 {
        font-size: 36px;
    }
    .product-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-wrap {
        flex-direction: column;
        gap: 20px;
    }
    .nav-menu {
        gap: 25px;
    }
    .banner {
        height: 60vh;
    }
    .section-title {
        font-size: 28px;
    }
}