/* ========================================
   星亿娱乐 - 传媒文化自适应样式
   http://www.yangpu-sh.com
   ======================================== */

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "WenQuanYi Micro Hei", sans-serif;
    color: #333;
    background: #fff;
    line-height: 1.8;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: #c41a1a;
    transition: color 0.3s;
}

a:hover {
    color: #8b0000;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

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

/* ========== 顶部导航 ========== */
.site-header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: background 0.3s;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.site-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: #c41a1a;
    letter-spacing: 2px;
}

.site-logo span {
    color: #d4a017;
}

.main-nav ul {
    display: flex;
    gap: 30px;
}

.main-nav a {
    color: #333;
    font-size: 1rem;
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    transition: color 0.3s;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #c41a1a;
    transition: width 0.3s;
}

.main-nav a:hover,
.main-nav a.active {
    color: #c41a1a;
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    border-radius: 2px;
    transition: 0.3s;
}

/* ========== 英雄区三列布局 ========== */
.hero-section {
    margin-top: 80px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    padding: 60px 0;
    min-height: 500px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 30px;
    align-items: start;
}

.hero-features {
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid rgba(255,255,255,0.1);
}

.hero-features .hero-col-title {
    color: #d4a017;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 15px;
    text-align: center;
}

.hero-features ul li {
    color: rgba(255,255,255,0.85);
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 0.95rem;
}

.hero-features ul li::before {
    content: '★ ';
    color: #d4a017;
}

.hero-main {
    text-align: center;
    padding: 20px;
}

.hero-main h1 {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: 3px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero-main p {
    color: rgba(255,255,255,0.8);
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 2;
}

.hero-btn {
    display: inline-block;
    padding: 14px 40px;
    background: #c41a1a;
    color: #fff;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(196,26,26,0.4);
}

.hero-btn:hover {
    background: #a01515;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(196,26,26,0.5);
}

.hero-recommend {
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid rgba(255,255,255,0.1);
}

.hero-recommend .hero-col-title {
    color: #d4a017;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 15px;
    text-align: center;
}

.hero-recommend .recommend-item {
    background: rgba(255,255,255,0.08);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 12px;
}

.hero-recommend .recommend-item .rec-name {
    color: #fff;
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 5px;
}

.hero-recommend .recommend-item p {
    color: rgba(255,255,255,0.6);
    font-size: 0.85rem;
}

/* ========== 面包屑导航 ========== */
.breadcrumb {
    margin-top: 80px;
    padding: 15px 0;
    background: #f8f8f8;
    border-bottom: 1px solid #eee;
}

.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.breadcrumb li {
    font-size: 0.9rem;
    color: #666;
}

.breadcrumb li::after {
    content: '>';
    margin-left: 8px;
    color: #999;
}

.breadcrumb li:last-child::after {
    content: '';
}

.breadcrumb a {
    color: #666;
}

.breadcrumb a:hover {
    color: #c41a1a;
}

.breadcrumb li:last-child {
    color: #c41a1a;
}

/* ========== 通用页面标题 ========== */
.page-title {
    text-align: center;
    padding: 50px 0 40px;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
}

.page-title h1 {
    font-size: 2.2rem;
    color: #fff;
    letter-spacing: 2px;
}

.page-title p {
    color: rgba(255,255,255,0.7);
    margin-top: 10px;
    font-size: 1rem;
}

/* ========== 通用区块 ========== */
.section {
    padding: 60px 0;
}

.section-alt {
    background: #f9f9f9;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 1.8rem;
    color: #1a1a2e;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #c41a1a;
    border-radius: 2px;
}

.section-title p {
    color: #666;
    margin-top: 15px;
    font-size: 1rem;
}

/* ========== 服务卡片 ========== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: #fff;
    border-radius: 12px;
    padding: 35px 25px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.06);
    transition: all 0.3s;
    border: 1px solid #f0f0f0;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #c41a1a, #d4a017);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #fff;
}

.service-card h3 {
    font-size: 1.2rem;
    color: #1a1a2e;
    margin-bottom: 12px;
}

.service-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.8;
}

/* ========== 案例展示 ========== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.case-card {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.06);
    transition: all 0.3s;
    background: #fff;
}

.case-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}

.case-img {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    font-weight: 600;
}

.case-info {
    padding: 20px;
}

.case-info h3 {
    font-size: 1.1rem;
    color: #1a1a2e;
    margin-bottom: 8px;
}

.case-info p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ========== 新闻列表 ========== */
.news-list {
    display: grid;
    gap: 25px;
}

.news-item {
    display: flex;
    gap: 25px;
    background: #fff;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.05);
    transition: all 0.3s;
    border: 1px solid #f0f0f0;
}

.news-item:hover {
    box-shadow: 0 5px 25px rgba(0,0,0,0.1);
}

.news-date {
    min-width: 80px;
    text-align: center;
    padding: 10px;
    background: #f8f8f8;
    border-radius: 8px;
}

.news-date .day {
    font-size: 1.8rem;
    font-weight: 700;
    color: #c41a1a;
    display: block;
}

.news-date .month {
    font-size: 0.85rem;
    color: #666;
}

.news-content h3 {
    font-size: 1.15rem;
    color: #1a1a2e;
    margin-bottom: 10px;
}

.news-content h3 a {
    color: #1a1a2e;
}

.news-content h3 a:hover {
    color: #c41a1a;
}

.news-content p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.8;
}

/* ========== 文章详情 ========== */
.article-detail {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

.article-detail h2 {
    font-size: 1.5rem;
    color: #1a1a2e;
    margin: 30px 0 15px;
}

.article-detail p {
    color: #444;
    font-size: 1rem;
    line-height: 2;
    margin-bottom: 15px;
    text-indent: 2em;
}

.article-meta {
    text-align: center;
    padding: 20px 0;
    border-bottom: 1px solid #eee;
    margin-bottom: 30px;
}

.article-meta span {
    color: #999;
    font-size: 0.9rem;
    margin: 0 10px;
}

/* ========== 关于我们 ========== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-text h2 {
    font-size: 1.6rem;
    color: #1a1a2e;
    margin-bottom: 20px;
}

.about-text p {
    color: #555;
    font-size: 1rem;
    line-height: 2;
    margin-bottom: 15px;
    text-indent: 2em;
}

.about-image {
    background: linear-gradient(135deg, #1a1a2e, #0f3460);
    border-radius: 12px;
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #d4a017;
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 5px;
}

/* ========== 数据统计 ========== */
.stats-section {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    padding: 50px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #d4a017;
    display: block;
}

.stat-item .stat-label {
    color: rgba(255,255,255,0.8);
    font-size: 1rem;
    margin-top: 8px;
}

/* ========== 联系我们 ========== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info-list {
    display: grid;
    gap: 20px;
}

.contact-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 10px;
}

.contact-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #c41a1a, #d4a017);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item h3 {
    font-size: 1rem;
    color: #1a1a2e;
    margin-bottom: 5px;
}

.contact-item p {
    color: #666;
    font-size: 0.95rem;
}

/* ========== 页脚 ========== */
.site-footer {
    background: #1a1a2e;
    padding: 50px 0 0;
    color: rgba(255,255,255,0.7);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-about h3,
.footer-links h3,
.footer-contact h3 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.footer-about p {
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-links ul li {
    margin-bottom: 8px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: #d4a017;
}

.footer-contact p {
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    font-size: 0.85rem;
}

.footer-bottom a {
    color: rgba(255,255,255,0.6);
}

.footer-bottom a:hover {
    color: #d4a017;
}

/* ========== 悬浮按钮 ========== */
.floating-buttons {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.float-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: #fff;
    color: #c41a1a;
    border: 2px solid #c41a1a;
    border-radius: 50%;
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.float-btn:hover {
    background: #c41a1a;
    color: #fff;
    transform: scale(1.1);
}

/* ========== 回到顶部 ========== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: #c41a1a;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: all 0.3s;
    z-index: 998;
}

.back-to-top.visible {
    opacity: 1;
}

.back-to-top:hover {
    background: #a01515;
    transform: translateY(-3px);
}

/* ========== 平台宣传按钮（左上悬浮） ========== */
.float-platform {
    position: fixed;
    top: 96px;
    left: 20px;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.platform-entry-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 138px;
    padding: 16px 22px;
    color: #fff;
    font-size: 1.06rem;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: 2px;
    text-align: center;
    border-radius: 10px;
    transition: all 0.3s;
}

.platform-entry-btn:hover {
    color: #fff;
    transform: scale(1.06);
}

.btn-star {
    background: linear-gradient(135deg, #b71c1c 0%, #d32f2f 100%);
    border: 2px solid #d4a017;
    box-shadow: 0 6px 20px rgba(183, 28, 28, 0.5);
}

.btn-star:hover {
    background: linear-gradient(135deg, #8e1414 0%, #b71c1c 100%);
    box-shadow: 0 9px 26px rgba(183, 28, 28, 0.6);
}

.btn-more {
    background: linear-gradient(135deg, #e65100 0%, #f57c00 100%);
    border: 2px solid #d4a017;
    box-shadow: 0 6px 20px rgba(230, 81, 0, 0.5);
}

.btn-more:hover {
    background: linear-gradient(135deg, #bf4300 0%, #e65100 100%);
    box-shadow: 0 9px 26px rgba(230, 81, 0, 0.6);
}

@media (max-width: 768px) {
    .float-platform {
        top: 76px;
        left: 12px;
        gap: 9px;
    }

    .platform-entry-btn {
        min-width: 104px;
        padding: 11px 14px;
        font-size: 0.88rem;
        letter-spacing: 1px;
        border-radius: 8px;
    }
}

@media (max-width: 480px) {
    .float-platform {
        top: 66px;
        left: 8px;
        gap: 7px;
    }

    .platform-entry-btn {
        min-width: 92px;
        padding: 9px 10px;
        font-size: 0.8rem;
    }
}

/* ========== 自适应断点 ========== */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .hero-features,
    .hero-recommend {
        display: none;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .main-nav {
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: #fff;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        display: none;
    }

    .main-nav.open {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        padding: 20px;
        gap: 0;
    }

    .main-nav a {
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid #f0f0f0;
    }

    .hero-main h1 {
        font-size: 1.8rem;
    }

    .hero-main p {
        font-size: 1rem;
    }

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

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

    .about-content {
        grid-template-columns: 1fr;
    }

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

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

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

    .news-item {
        flex-direction: column;
    }

    .page-title h1 {
        font-size: 1.6rem;
    }

    .section-title h2 {
        font-size: 1.5rem;
    }

    .floating-buttons {
        top: 90px;
        right: 10px;
    }

    .float-btn {
        width: 48px;
        height: 48px;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .header-inner {
        height: 60px;
    }

    .site-logo {
        font-size: 1.4rem;
    }

    .hero-section {
        margin-top: 60px;
        padding: 40px 0;
        min-height: 350px;
    }

    .hero-main h1 {
        font-size: 1.5rem;
    }

    .breadcrumb {
        margin-top: 60px;
    }

    .stat-item .stat-number {
        font-size: 1.8rem;
    }

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