/* 重置默认样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Serif SC', serif;
    background-color: #111;
    color: #fff;
    line-height: 1.8;
}

/* 导航栏样式 */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.top-nav.hidden {
    transform: translateY(-100%);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    color: #fff;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
    white-space: nowrap;
    word-break: keep-all;
    display: inline-block;
    padding: 0.5rem 0;
}

.nav-links a:hover {
    color: #007bff;
}

/* 下拉菜单样式 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 0.5rem;
    padding: 0.5rem 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.nav-links li:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 0.5rem 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.dropdown-menu a:hover {
    background: rgba(255, 215, 0, 0.1);
    color: #FFD700;
    padding-left: 1.5rem;
}

/* 头部样式 */
header {
    height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: transparent;
    padding: 2rem;
}

.header-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
    background: transparent;
}

#matrix-rain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.3;
    pointer-events: none;
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255,255,255,0.03) 0%, transparent 20%),
        radial-gradient(circle at 80% 70%, rgba(255,255,255,0.03) 0%, transparent 20%),
        radial-gradient(circle at 50% 50%, rgba(255,255,255,0.02) 0%, transparent 30%);
    animation: particleFloat 20s ease-in-out infinite;
}

.particles::before,
.particles::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.02) 0%, transparent 50%);
    animation: particlePulse 8s ease-in-out infinite;
}

.particles::after {
    animation-delay: -4s;
}

.header-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    text-shadow: 0 0 10px rgba(0,255,0,0.3);
}

.header-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: #fff;
}

.header-content p {
    font-size: 1.3rem;
    line-height: 1.8;
    opacity: 0.9;
    color: #fff;
}

.animate-text {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards;
}

.delay-1 {
    animation-delay: 0.5s;
}

.scroll-indicator {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: rgba(255, 215, 0, 0.6);
    font-size: 1rem;
    animation: fadeIn 1s ease 1s forwards;
    opacity: 0;
    z-index: 100;
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

.scroll-indicator.hidden {
    opacity: 0;
    transform: translate(-50%, 20px);
    pointer-events: none;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid rgba(255, 215, 0, 0.6);
    border-bottom: 2px solid rgba(255, 215, 0, 0.6);
    transform: rotate(45deg);
    margin-top: 0.5rem;
    animation: bounce 2s infinite;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes particleFloat {
    0% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-20px) scale(1.1);
    }
    100% {
        transform: translateY(0) scale(1);
    }
}

@keyframes particlePulse {
    0% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
    100% {
        opacity: 0.3;
        transform: scale(1);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: rotate(45deg) translateY(0);
    }
    40% {
        transform: rotate(45deg) translateY(-10px);
    }
    60% {
        transform: rotate(45deg) translateY(-5px);
    }
}

/* 主要内容区域 */
main {
    position: relative;
    z-index: 2;
    padding: 1rem;
}

section {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 1rem;
    padding: 3rem;
    margin: 2rem auto;
    max-width: 1000px;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.15);
}

h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #FFD700;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
    border-bottom: 1px solid rgba(255, 215, 0, 0.3);
    padding-bottom: 1rem;
}

/* 折叠面板样式 */
.collapsible-wrapper {
    margin-bottom: 2rem;
}

.collapsible {
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    cursor: pointer;
    padding: 1.5rem;
    border-radius: 1rem;
    text-align: left;
    outline: none;
    font-size: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    border: 1px solid rgba(255, 215, 0, 0.2);
    transition: all 0.3s ease;
}

.collapsible:hover {
    background: rgba(0, 0, 0, 0.8);
    border-color: rgba(255, 215, 0, 0.4);
}

.collapsible-header {
    font-size: 1.4rem;
    color: #FFD700;
    font-weight: bold;
}

.collapsible-desc {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0.5rem;
}

.collapsible span {
    font-size: 0.9rem;
    opacity: 0.7;
    transition: opacity 0.3s ease;
    align-self: flex-end;
}

.collapsible:hover span {
    opacity: 1;
}

.content {
    position: relative;
    max-height: 0;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 0 0 1rem 1rem;
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-top: none;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
}

.content.active {
    max-height: none;
    opacity: 1;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 1.5rem;
    white-space: nowrap;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 215, 0, 0.3) rgba(0, 0, 0, 0.2);
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    position: relative;
}

.content.active::-webkit-scrollbar {
    height: 16px;
}

.content.active::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
}

.content.active::-webkit-scrollbar-thumb {
    background: rgba(255, 215, 0, 0.3);
    border-radius: 8px;
    border: 2px solid rgba(0, 0, 0, 0.2);
}

.content.active::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 215, 0, 0.5);
}

.content .card {
    display: inline-block;
    width: 400px;
    height: 600px;
    margin-right: 2rem;
    white-space: normal;
    vertical-align: top;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 0.8rem;
    padding: 1.5rem;
    overflow-y: auto;
    position: relative;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 215, 0, 0.3) rgba(0, 0, 0, 0.2);
}

.content .card::-webkit-scrollbar {
    width: 6px;
}

.content .card::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}

.content .card::-webkit-scrollbar-thumb {
    background: rgba(255, 215, 0, 0.3);
    border-radius: 3px;
}

.content .card::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 215, 0, 0.5);
}

.citation-toggle {
    color: rgba(255, 215, 0, 0.8);
    cursor: pointer;
    font-size: 0.9rem;
    margin-top: 0.5rem;
    display: inline-block;
    transition: color 0.3s ease;
}

.citation-toggle:hover {
    color: rgba(255, 215, 0, 1);
}

.citation-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 0.4rem;
    margin-top: 0.5rem;
}

.citation-content.active {
    max-height: 400px;
    padding: 1rem;
    margin-top: 0.5rem;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 215, 0, 0.3) rgba(0, 0, 0, 0.2);
}

.citation-content.active::-webkit-scrollbar {
    width: 6px;
}

.citation-content.active::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}

.citation-content.active::-webkit-scrollbar-thumb {
    background: rgba(255, 215, 0, 0.3);
    border-radius: 3px;
}

.citation-content.active::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 215, 0, 0.5);
}

.citation-content p {
    margin: 0;
    line-height: 1.6;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
}

.citation-content strong {
    color: #FFD700;
    display: block;
    margin-bottom: 0.5rem;
}

.citation-content em {
    color: rgba(255, 215, 0, 0.8);
    font-style: italic;
}

.content .card:last-child {
    margin-right: 0;
}

.content .card p {
    margin: 0;
    line-height: 1.8;
    white-space: normal;
}

/* 卡片样式 */
.card {
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 215, 0, 0.2);
    padding: 1.0rem;
    border-radius: 0.8rem;
}

.card h4 {
    margin: 0 0 1rem 0;
    color: #FFD700;
    font-size: 1.2rem;
}

.card p {
    margin: 0;
    line-height: 1.6;
}

/* 关键词样式 */
.citation {
    font-size: 0.9em;
    color: #666;
    font-style: italic;
    margin-top: 1em;
}

/* 页脚样式 */
footer {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 3rem 1rem 2rem;
    font-size: 0.9rem;
    opacity: 0.8;
    border-top: 1px solid rgba(255, 215, 0, 0.2);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

/* 头部图片样式 */
.header-image {
    margin-top: 2rem;
    width: 100%;
    max-width: 800px;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

/* 卡片图片样式 */
.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 0.8rem 0.8rem 0 0;
    margin-bottom: 1rem;
}

/* 用户反馈样式 */
.feedback-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 2rem;
    width: 100%;
}

.feedback-grid {
    display: flex;
    gap: 2rem;
}

.feedback-page {
    flex: 0 0 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 2rem;
}

.feedback-card {
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 1rem;
    padding: 1.5rem;
    min-height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.feedback-card p {
    margin: 0;
    line-height: 1.6;
}

.feedback-card strong {
    display: block;
    margin-top: 1rem;
    color: rgba(255, 215, 0, 0.8);
    font-size: 0.9rem;
}

/* 轮播容器样式 */
.carousel-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 40px;
}

.carousel-wrapper {
    position: relative;
    overflow: hidden;
    width: 100%;
}

.carousel-content {
    display: flex;
    transition: transform 0.5s ease;
    width: 100%;
}

/* 箭头样式 */
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
}

.carousel-arrow:hover {
    background: rgba(0, 0, 0, 0.9);
    border-color: rgba(255, 215, 0, 0.5);
}

.carousel-arrow.prev {
    left: 0;
}

.carousel-arrow.next {
    right: 0;
}

.carousel-arrow::before {
    content: '';
    width: 10px;
    height: 10px;
    border-top: 2px solid rgba(255, 215, 0, 0.8);
    border-right: 2px solid rgba(255, 215, 0, 0.8);
}

.carousel-arrow.prev::before {
    transform: rotate(-135deg);
    margin-left: 5px;
}

.carousel-arrow.next::before {
    transform: rotate(45deg);
    margin-right: 5px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 导航栏样式 */
    .nav-container {
        flex-direction: row;
        padding: 0.1rem 0.2rem;
        justify-content: space-between;
        align-items: center;
    }

    .nav-logo {
        font-size: 1rem;
    }

    .nav-links {
        flex-direction: row;
        gap: 0.2rem;
        margin-top: 0;
    }

    .nav-links a {
        font-size: 0.6rem;
        white-space: normal;
        word-break: break-word;
        text-align: center;
        width: 2.5em;
        display: inline-block;
        line-height: 1.2;
    }

    /* 内容区域样式 */
    section {
        padding: 0.3rem;
        margin: 0.3rem 0.2rem;
    }

    .header-content h1 {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }

    .header-content p {
        font-size: 1rem;
        line-height: 1.6;
    }

    /* 轮播样式 */
    .carousel-container {
        padding: 0 20px;
    }

    .carousel-arrow {
        width: 25px;
        height: 25px;
    }

    /* 反馈卡片样式 */
    .feedback-page {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(2, 1fr);
        gap: 0.5rem;
    }

    .feedback-card {
        min-height: 120px;
        padding: 0.8rem;
    }

    /* 团队成员样式 */
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .team-member {
        padding: 1.2rem;
    }

    .member-avatar {
        width: 100px;
        height: 100px;
        margin-bottom: 1rem;
    }

    .member-info h3 {
        font-size: 1.2rem;
    }

    .member-title {
        font-size: 0.9rem;
    }

    .member-desc {
        font-size: 0.85rem;
    }

    /* 服务内容区域响应式调整 */
    .content {
        padding: 0.4rem;
    }

    .content p {
        padding: 0.4rem;
    }

    .content .card {
        width: 320px;
        height: 500px;
        margin-right: 1.5rem;
        padding: 1.2rem;
    }

    .case-image {
        aspect-ratio: 16/9;
        font-size: 0.8rem;
    }

    .collapsible {
        padding: 1.2rem;
    }

    .collapsible-header {
        font-size: 1.2rem;
    }

    .collapsible-desc {
        font-size: 0.9rem;
    }

    .collapsible span {
        font-size: 0.8rem;
    }

    .content.active {
        padding: 1rem;
    }

    .scroll-hint {
        display: block;
    }

    .dropdown-menu {
        position: static;
        background: transparent;
        border: none;
        padding: 0;
        min-width: auto;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
    }

    .nav-links li:hover .dropdown-menu {
        display: block;
    }

    .dropdown-menu a {
        padding: 0.3rem 1rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    /* 导航栏样式 */
    .nav-container {
        padding: 0.2rem 0.4rem;
    }

    .nav-logo {
        font-size: 0.9rem;
    }

    .nav-links {
        gap: 0.4rem;
    }

    .nav-links a {
        font-size: 0.75rem;
        white-space: normal;
        word-break: break-word;
        text-align: center;
        width: 2.5em;
        display: inline-block;
        line-height: 1.2;
    }

    /* 内容区域样式 */
    section {
        padding: 0.2rem;
        margin: 0.2rem 0.1rem;
    }

    /* 轮播样式 */
    .carousel-container {
        padding: 0 10px;
    }

    .carousel-arrow {
        width: 20px;
        height: 20px;
    }

    /* 反馈卡片样式 */
    .feedback-card {
        min-height: 100px;
        padding: 0.3rem;
    }

    /* 团队成员样式 */
    .team-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .team-member {
        padding: 1rem;
    }

    .member-avatar {
        width: 80px;
        height: 80px;
        margin-bottom: 0.8rem;
    }

    .member-info h3 {
        font-size: 1.1rem;
    }

    .member-title {
        font-size: 0.8rem;
    }

    .member-desc {
        font-size: 0.8rem;
    }

    /* 服务内容区域响应式调整 */
    .content {
        padding: 0.2rem;
    }
    
    .content p {
        padding: 0.2rem;
    }

    .content .card {
        width: 280px;
        height: 450px;
        margin-right: 1rem;
        padding: 1rem;
    }

    .case-image {
        aspect-ratio: 16/9;
        font-size: 0.7rem;
    }

    .collapsible {
        padding: 1rem;
    }

    .collapsible-header {
        font-size: 1.1rem;
    }

    .collapsible-desc {
        font-size: 0.85rem;
    }

    .collapsible span {
        font-size: 0.75rem;
    }

    .content.active {
        padding: 0.8rem;
    }

    .scroll-hint {
        display: block;
    }

    .dropdown-menu {
        position: static;
        background: transparent;
        border: none;
        padding: 0;
        min-width: auto;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
    }

    .nav-links li:hover .dropdown-menu {
        display: block;
    }

    .dropdown-menu a {
        padding: 0.3rem 1rem;
        font-size: 0.8rem;
    }
}

/* 团队介绍样式 */
.team-grid {
    display: inline-flex;
    gap: 2rem;
    width: 100%;
    white-space: nowrap;
}

.team-member {
    display: inline-block;
    min-width: 400px;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 1rem;
    padding: 1.5rem;
    white-space: normal;
    vertical-align: top;
}

.member-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.2rem;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid rgba(255, 215, 0, 0.3);
    background-color: rgba(0, 0, 0, 0.2);
}

.member-info {
    width: 100%;
    text-align: center;
}

.member-info h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: #FFD700;
}

.member-title {
    font-size: 1rem;
    color: rgba(255, 215, 0, 0.8);
    margin-bottom: 1rem;
}

.member-desc {
    font-size: 0.9rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

/* 图片加载相关样式 */
.lazy {
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    background-color: rgba(0, 0, 0, 0.1);
}

.lazy.loaded {
    opacity: 1;
}

.member-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 合作伙伴样式 */
.partners-grid {
    display: flex;
    gap: 2rem;
    padding: 1rem;
    max-width: 1200px;
    margin: 0 auto;
    overflow-x: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 215, 0, 0.3) rgba(0, 0, 0, 0.2);
    height: 160px;
    align-items: center;
}

.partners-grid::-webkit-scrollbar {
    height: 8px;
}

.partners-grid::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

.partners-grid::-webkit-scrollbar-thumb {
    background: rgba(255, 215, 0, 0.3);
    border-radius: 4px;
}

.partners-grid::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 215, 0, 0.5);
}

.partner-logo {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    height: 140px;
}

.partner-logo:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
}

.partner-logo img {
    height: 120px;
    width: auto;
    object-fit: contain;
    border-radius: 8px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .partners-grid {
        grid-template-columns: repeat(4, 1fr);
        grid-template-rows: repeat(5, 1fr);
    }
}

@media (max-width: 768px) {
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(6, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(9, 1fr);
        gap: 1rem;
    }
}

.case-image {
    width: 100%;
    aspect-ratio: 16/9;
    background-color: rgba(255, 215, 0, 0.1);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 215, 0, 0.3);
    font-size: 0.9rem;
    border: 1px dashed rgba(255, 215, 0, 0.2);
    object-fit: cover;
    object-position: center;
}

.case-image::before {
    content: '图片占位';
}

.scroll-hint {
    display: none;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.8));
    padding: 1rem;
    color: rgba(255, 215, 0, 0.8);
    font-size: 0.9rem;
    pointer-events: none;
    animation: fadeInOut 2s ease-in-out infinite;
    z-index: 2;
}

.scroll-hint::after {
    content: '→';
    margin-left: 0.5rem;
    animation: slideRight 1.5s ease-in-out infinite;
}

@keyframes slideRight {
    0% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(10px);
    }
    100% {
        transform: translateX(0);
    }
}

@keyframes fadeInOut {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.8;
    }
}

@media (max-width: 768px) {
    .scroll-hint {
        display: block;
    }
}