/* ==================== 基础变量 ==================== */
:root {
    --primary-color: #2F5597;
    --primary-dark: #1e3f6b;
    --primary-light: #5a8ac4;
    --secondary-color: #1e88e5;
    --accent-color: #64b5f6;
    --text-dark: #1a1a2e;
    --text-light: #666;
    --text-white: #fff;
    --bg-light: #f5f7fa;
    --bg-white: #fff;
    --border-color: #e0e6ed;
    --shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

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

/* ==================== 按钮样式 ==================== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary-color);
    color: var(--text-white);
    border-radius: 4px;
    font-weight: 500;
    transition: var(--transition);
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

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

.btn-white:hover {
    background: var(--bg-light);
}

/* ==================== 通用标题 ==================== */
.section-title {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--text-dark);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

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

/* ==================== 理念引导区 ==================== */
.intro-banner {
    padding: 64px 0 60px;
    background: var(--bg-white);
    position: relative;
}

/* 上下细装饰分隔线，与下方板块区隔 */
.intro-banner::before,
.intro-banner::after {
    content: '';
    display: block;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(47, 85, 151, 0.25), transparent);
}

.intro-inner {
    max-width: 820px;
    margin: 0 auto;
    text-align: left;
    padding: 20px 0;
}

/* 引言正文 */
.intro-quote {
    color: var(--primary-dark);
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 2.1;
    letter-spacing: 0.03em;
    max-width: 820px;
    margin: 0;
}

/* 引号装饰 */
.quote-mark {
    color: var(--primary-light);
    font-size: 1.9rem;
    font-weight: 600;
    line-height: 1;
    vertical-align: -0.12em;
    margin: 0 6px;
}



/* 响应式 */
@media (max-width: 768px) {
    .intro-banner {
        padding: 36px 0 42px;
    }
    .intro-quote {
        font-size: 1.15rem;
        line-height: 2;
    }
    .quote-mark {
        font-size: 1.4rem;
        margin: 0 4px;
    }
}

/* ==================== 导航栏 ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: transparent;
    z-index: 1000;
    transition: background 0.3s ease, box-shadow 0.3s ease, height 0.3s ease;
    height: 110px;
}

.header.scrolled,
.header.light {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
    height: 70px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    position: relative;
    transition: height 0.3s ease;
}

.header-content::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
}

.header.scrolled .header-content::after {
    display: none;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-white);
    transition: color 0.3s ease;
}

.header.scrolled .logo,
.header.light .logo {
    color: var(--primary-color);
}

.nav-toggle {
    display: none;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--text-white);
    margin-bottom: 6px;
    transition: var(--transition);
}

.header.scrolled .nav-toggle span,
.header.light .nav-toggle span {
    background: var(--primary-color);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 5px;
    margin-left: -30px;
}

.nav-list a {
    padding: 8px 12px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: bold;
    font-size: 0.85rem;
    border-radius: 4px;
    transition: color 0.3s ease;
}

/* 首页悬浮时文字变亮 */
.nav-list a:hover,
.nav-list a.active {
    color: #ffffff;
}

/* 滚动后或非首页页面 - 文字颜色变深 */
.header.scrolled .nav-list a,
.header.light .nav-list a {
    color: var(--text-dark);
}

.header.scrolled .nav-list a:hover,
.header.scrolled .nav-list a.active,
.header.light .nav-list a:hover,
.header.light .nav-list a.active {
    color: var(--primary-color);
}

/* ==================== 轮播图区域 ==================== */
.hero {
    /* 不需要 padding-top，导航栏透明覆盖在上面 */
}

.slideshow {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.slide.active {
    opacity: 1;
    visibility: visible;
}

.slide-text-wrapper {
    position: absolute;
    left: 20%;
    bottom: 20%;
    z-index: 2;
}

.slide-content {
    position: relative;
    z-index: 1;
    text-align: left;
    color: rgba(255, 255, 255, 0.6);
    max-width: var(--max-width);
    width: 100%;
}

.slide-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 15px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.slide-content p {
    font-size: 1.2rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease 0.2s forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-nav {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 20px;
    z-index: 10;
}

.slide-prev,
.slide-next {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-white);
    font-size: 1.2rem;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.slide-prev:hover,
.slide-next:hover {
    background: var(--primary-color);
}

.slide-dots {
    display: flex;
    gap: 10px;
}

.slide-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
}

.slide-dots .dot.active {
    background: var(--text-white);
    transform: scale(1.2);
}

/* ==================== 核心优势 ==================== */
.features {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.feature-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ==================== 关于我们预览 ==================== */
.about-preview {
    padding: 80px 0;
}

.about-preview-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-image {
    flex: 1;
}

.about-text {
    flex: 1;
}

.about-text h2 {
    font-size: 2rem;
    margin-bottom: 25px;
    color: var(--text-dark);
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.5;
}

.about-text .btn-outline {
    margin-top: 30px;
}

.text-emphasis {
    font-weight: bold !important;
    color: #2F5597 !important;
}

/* ==================== 服务项目预览 ==================== */
.services-preview,
.partners-preview {
    padding: 80px 0;
    background: #f5f7fa;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(5, 200px);
    gap: 30px;
    justify-content: center;
}

.partner-card {
    background: white;
    padding: 5px 30px 30px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    width: 200px;
    transition: var(--transition);
}

.partner-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.partner-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    border-radius: 10px;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
}

.partner-logo-img {
    width: 120px;
    height: auto;
    object-fit: contain;
    border-radius: 10px;
    margin: 0 auto 15px;
    display: block;
}

.partner-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.partner-card p {
    font-size: 0.85rem;
    color: var(--text-light);
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 250px;
}

.logo-container + h3,
.logo-container + p {
    margin-top: 0;
}

.case-card {
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.case-card .logo-container {
    flex-shrink: 0;
}

/* 首页伙伴区 logo 单元格：替代原先重复 5 次的行内 flex 样式 */
.partner-logo-cell {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-card h3,
.case-card p {
    text-align: left;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.service-card {
    background: var(--bg-white);
    padding: 40px 25px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ==================== 统计数据 ==================== */
.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item {
    color: var(--text-white);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* ==================== 新闻动态 ==================== */
.news-preview {
    padding: 80px 0;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.news-card {
    background: var(--bg-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    padding: 30px;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.news-date {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 15px;
}

.news-date .day {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.news-date .month {
    font-size: 0.9rem;
    color: var(--text-light);
}

.news-card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    line-height: 1.5;
}

.news-card h3 a:hover {
    color: var(--primary-color);
}

.news-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 铸成行思：卡片封面（渐变占位 / 图片） */
.news-card .news-cover {
    height: 160px;
    border-radius: 8px;
    margin-bottom: 20px;
    overflow: hidden;
    background: var(--bg-light);
}

.news-card .news-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-card .news-cover-gradient {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: #fff;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
}

/* 文章角标 */
.article-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-top: 15px;
    vertical-align: middle;
}

.article-badge-cat {
    background: var(--primary-color);
    color: #fff;
}

.article-badge-wechat {
    background: #07c160;
    color: #fff;
}

.article-badge-featured {
    background: #e6a23c;
    color: #fff;
    margin-right: 8px;
}

/* 分类筛选按钮 */
.category-filters {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    background: #fff;
    color: var(--text-dark);
    border-radius: 4px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.filter-btn.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* 列表网格（与首页三列一致） */
.insights-grid {
    grid-template-columns: repeat(3, 1fr);
}

/* 工具条：左侧分类筛选，右侧浏览方式切换 */
.insights-toolbar {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 40px;
}

.insights-toolbar .category-filters {
    margin-bottom: 0;
}

.view-switch {
    display: inline-flex;
    flex-shrink: 0;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.view-switch-btn {
    padding: 10px 22px;
    background: #fff;
    color: var(--text-dark);
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
}

.view-switch-btn + .view-switch-btn {
    border-left: 1px solid var(--border-color);
}

.view-switch-btn:hover {
    color: var(--primary-color);
}

.view-switch-btn.active {
    background: var(--primary-color);
    color: #fff;
}

/* 列表模式：单列，只显示标题与日期 */
.news-grid.insights-list {
    grid-template-columns: 1fr;
    gap: 0;
    background: var(--bg-white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.news-row {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.news-row:last-child {
    border-bottom: none;
}

.news-row:hover {
    background: var(--bg-light);
}

.news-row-date {
    flex-shrink: 0;
    width: 96px;
    font-size: 0.9rem;
    color: var(--text-light);
    font-variant-numeric: tabular-nums;
}

.news-row-title {
    flex: 1;
    min-width: 0;
    font-size: 1.05rem;
    line-height: 1.6;
}

.news-row-title a:hover {
    color: var(--primary-color);
}

.news-row-tags {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.news-row-tags .article-badge {
    margin-top: 0;
}

.list-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-light);
    padding: 60px 0;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 60px;
    flex-wrap: wrap;
}

.page-btn {
    padding: 10px 15px;
    background: #fff;
    color: var(--text-dark);
    border-radius: 4px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}

.page-btn:hover:not(:disabled):not(.active) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-btn.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.page-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

/* ==================== 文章详情页 ==================== */
.article-wrap {
    max-width: 860px;
}

.article-crumb {
    margin-bottom: 30px;
}

.article-crumb a {
    color: var(--text-light);
    transition: var(--transition);
}

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

.article-head {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.article-head .article-badge {
    margin-top: 0;
    margin-bottom: 15px;
}

.article-head h1 {
    font-size: 2rem;
    line-height: 1.4;
    margin-bottom: 15px;
}

.article-meta {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* 正文排版：支持 h2/h3/段落/引言/列表/图片等富文本 */
.article-body {
    line-height: 1.9;
    color: var(--text-dark);
    font-size: 1.05rem;
}

.article-body h2 {
    font-size: 1.5rem;
    margin: 40px 0 18px;
    padding-left: 14px;
    border-left: 4px solid var(--primary-color);
    line-height: 1.4;
}

.article-body h3 {
    font-size: 1.2rem;
    margin: 28px 0 14px;
    color: var(--primary-dark);
}

.article-body p {
    margin-bottom: 18px;
}

.article-body ul,
.article-body ol {
    margin: 0 0 18px 1.5em;
}

.article-body li {
    margin-bottom: 8px;
}

.article-body blockquote {
    margin: 24px 0;
    padding: 16px 24px;
    background: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    border-radius: 0 8px 8px 0;
    color: var(--text-light);
    font-style: italic;
}

.article-body blockquote p {
    margin-bottom: 0;
}

.article-body img {
    max-width: 100%;
    border-radius: 8px;
    margin: 20px 0;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 0.95rem;
}

.article-body th,
.article-body td {
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    text-align: left;
}

.article-body th {
    background: var(--bg-light);
    font-weight: 600;
}

/* 上一篇 / 下一篇 */
.article-nav {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.article-nav-item a {
    color: var(--primary-color);
    transition: var(--transition);
    font-size: 0.95rem;
}

.article-nav-item a:hover {
    color: var(--primary-dark);
}

.article-nav-right {
    text-align: right;
}

.article-nav .nav-disabled {
    color: var(--border-color);
    font-size: 0.95rem;
}

/* 错误 / 跳转提示 */
.article-error {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-light);
    border-radius: 10px;
}

.article-error h2 {
    margin-bottom: 15px;
}

.article-error p {
    color: var(--text-light);
    margin-bottom: 25px;
}

/* ==================== CTA 区域 ==================== */
.cta {
    padding: 100px 0;
    background: var(--primary-dark);
    text-align: center;
}

.cta-content {
    max-width: 700px;
}

.cta h2 {
    font-size: 2.5rem;
    color: var(--text-white);
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--text-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h4 {
    color: var(--text-white);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-col p {
    line-height: 1.7;
}

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

.footer-links a:hover {
    color: var(--primary-light);
}

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

.social-links {
    display: flex;
    gap: 15px;
}

/* 关注我们：公众号二维码（图片缺失时由 main.js 降级为文字） */
.qr-block {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}

.qr-block .qr-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    background: var(--text-white);
    padding: 4px;
    border-radius: 6px;
}

.qr-block .qr-text {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.85);
}

.footer-bottom {
    text-align: center;
    padding: 25px 0;
    font-size: 0.9rem;
}

.footer-bottom a:hover {
    color: var(--primary-light);
}

/* ==================== 页面内容区（通用） ==================== */
.page-header {
    padding-top: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    text-align: center;
    padding: 230px 0 150px;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 页面头部背景：集中维护，替代原先散落在各页的行内 style */
.page-header--about {
    background: url('images/03.jpg') top/cover no-repeat;
}

.page-header--investment {
    background: url('images/02.jpg') top/cover no-repeat;
}

.page-header--partners {
    background: url('images/05.jpg') center 50%/cover no-repeat;
}

.page-header--insights,
.page-header--article {
    background: url('images/07.jpg') center 50%/100% auto no-repeat;
}

.page-header--careers {
    background: url('images/09.jpg') center 50%/100% auto no-repeat;
}

.page-header--contact {
    background: url('images/10.jpg') center 50%/100% auto no-repeat;
}

.page-content {
    padding: 80px 0;
}

/* ==================== 响应式设计 ==================== */

/* 平板端 */
@media (max-width: 1024px) {
    .slideshow {
        height: 100vh;
        min-height: 500px;
    }

    .slide-content h1 {
        font-size: 2.8rem;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

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

/* 手机端 */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-list {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        box-shadow: var(--shadow);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

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

    .nav-list a {
        display: block;
        padding: 15px;
        border-bottom: 1px solid var(--border-color);
        color: var(--text-dark);
    }

    .nav-list a::after {
        display: none;
    }

    .slideshow {
        height: 100vh;
        min-height: 450px;
    }

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

    .slide-content p {
        font-size: 1.1rem;
    }

    .slide-prev,
    .slide-next {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

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

    .about-preview-content {
        flex-direction: column;
    }

    .about-image {
        width: 100%;
    }

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

    .stat-number {
        font-size: 2.2rem;
    }

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

    .social-links {
        justify-content: center;
    }

    .cta h2 {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

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

    .article-head h1 {
        font-size: 1.5rem;
    }

    .article-nav {
        flex-direction: column;
        text-align: left;
    }

    .article-nav-right {
        text-align: left;
    }
}

/* 投资理念页面响应式 */
@media (max-width: 768px) {
    .philosophy-grid,
    .method-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .philo-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        padding: 28px 24px;
    }

    .method-card {
        padding: 28px 24px;
    }

    .method-number {
        font-size: 1.8rem;
        top: 16px;
        right: 20px;
    }

    .method-card h3 {
        padding-right: 40px;
    }
}

/* 小屏手机 */
@media (max-width: 480px) {
    .slideshow {
        height: 100vh;
        min-height: 380px;
    }

    .slide-content h1 {
        font-size: 1.6rem;
    }

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

    .btn {
        padding: 10px 24px;
        font-size: 0.95rem;
    }

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

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

    .page-header {
        padding: 140px 0 80px;
    }

    .page-header h1 {
        font-size: 1.8rem;
    }
}

/* ==================== 表单样式（联系页面用） ==================== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(10, 94, 176, 0.1);
}

.form-group select {
    appearance: none;
    background-color: var(--bg-white);
    cursor: pointer;
}

.form-actions .btn {
    width: 100%;
}

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

/* ==================== 投资理念页面 ==================== */

/* 认知与哲学 - 2x2 网格 */
.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.philo-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 36px 32px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.philo-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.philo-icon-wrap {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(47, 85, 151, 0.08), rgba(47, 85, 151, 0.15));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.philo-icon {
    font-size: 1.6rem;
    line-height: 1;
}

.philo-body h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-dark);
    font-weight: 700;
}

.philo-body p {
    color: var(--text-light);
    font-size: 0.93rem;
    line-height: 1.75;
}

/* 理论和方法 - 2x3 网格 */
.method-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.method-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 36px 32px;
    position: relative;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.method-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.method-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: rgba(47, 85, 151, 0.1);
    position: absolute;
    top: 20px;
    right: 28px;
    line-height: 1;
    pointer-events: none;
}

.method-card h3 {
    font-size: 1.1rem;
    margin-bottom: 14px;
    color: var(--text-dark);
    font-weight: 700;
    padding-right: 50px;
}

.method-card p {
    color: var(--text-light);
    font-size: 0.93rem;
    line-height: 1.8;
}

/* ==================== 铸成伙伴页面 ==================== */

/* 行业分区 */
.industry-section {
    margin-bottom: 56px;
}

.industry-title {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 28px;
    letter-spacing: 0.02em;
}

.industry-title::before {
    content: '';
    flex-shrink: 0;
    width: 4px;
    height: 22px;
    background: linear-gradient(180deg, var(--primary-light), var(--primary-color));
    border-radius: 2px;
}

/* 纯文字卡片网格 */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 24px;
}

.portfolio-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 28px 24px;
    min-height: 132px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.portfolio-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.portfolio-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.4;
}

.portfolio-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.65;
}

/* 铸成伙伴响应式 */
@media (max-width: 768px) {
    .industry-section {
        margin-bottom: 44px;
    }

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .portfolio-card {
        padding: 22px 20px;
        min-height: 118px;
    }
}

@media (max-width: 480px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}