/* ====================
   迪兰动漫社 - 最终配色调整版 (白顶 + 灰底)
   ==================== */

/* 引入中文字体优化 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "Noto Sans SC", sans-serif;
    color: #333;
    background-color: #f4f6f9; /* 全局灰白底 */
    overflow: hidden;
}

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

/* ====================
   1. 顶部导航栏 (Header) - 纯白背景
   ==================== */
header {
    background: #ffffff; /* 【修改】改为纯白色，不再透明 */
    padding: 0 5%;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 999;
}

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

.logo img {
    height: 45px;
    width: auto;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 40px;
}

nav li {
    text-align: center;
    cursor: pointer;
}

/* 导航文字样式 */
nav li .en {
    display: block;
    font-size: 14px;
    font-weight: 800;
    color: #333;
    letter-spacing: 1px;
    transition: color 0.3s;
}

nav li .cn {
    display: block;
    font-size: 12px;
    color: #999;
    margin-top: 4px;
    transition: color 0.3s;
}

/* 激活状态：单纯变蓝 */
nav li:hover .en,
nav li.active .en {
    color: #00a1d6;
}

nav li:hover .cn,
nav li.active .cn {
    color: #00a1d6;
}

/* ====================
   2. 全屏滚动容器
   ==================== */
.scroll-container {
    height: 100vh;
    scroll-snap-type: y mandatory;
    overflow-y: scroll;
    scroll-behavior: smooth;
}

/* 每一个全屏页面 - 默认灰白底 */
.page-section {
    height: 100vh;
    width: 100%;
    scroll-snap-align: start;
    position: relative;
    padding-top: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f4f6f9; /* 【修改】所有板块默认背景改为灰白色 */
}

/* ====================
   3. 第一屏：首页大图 (Home)
   ==================== */
#home {
    background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url('https://picsum.photos/1920/1080?random=1');
    background-size: cover;
    background-position: center;
    color: #fff;
}

.hero-content {
    text-align: center;
    z-index: 2;
}

.hero-content h1 {
    font-size: 60px;
    font-weight: 900;
    letter-spacing: 5px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 20px;
    margin: 20px 0 40px;
    letter-spacing: 2px;
    opacity: 0.9;
}

.hero-btn {
    padding: 15px 40px;
    background: #00a1d6;
    color: #fff;
    font-weight: bold;
    border-radius: 50px;
    font-size: 18px;
    box-shadow: 0 5px 15px rgba(0, 161, 214, 0.4);
}

.hero-btn:hover {
    background: #008ebd;
}

/* ====================
   4. 第二屏：情报界面 (Info)
   ==================== */
#info {
    background-color: #f4f6f9; /* 保持灰白 */
}

.content-wrapper {
    width: 90%;
    max-width: 1200px;
    height: 80%;
    display: flex;
    flex-direction: column;
}

.section-title {
    margin-bottom: 30px;
    border-left: 6px solid #00a1d6;
    padding-left: 20px;
}

.section-title h2 {
    font-size: 32px;
    color: #333;
}

.section-title span {
    font-size: 14px;
    color: #aaa;
    letter-spacing: 2px;
    font-weight: bold;
}

/* 情报列表容器 - 白色卡片在灰底上更显眼 */
.notice-list-full {
    background: #fff; /* 卡片保持白色 */
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    flex-grow: 1;
    overflow-y: auto;
}

.notice-item {
    border-bottom: 1px solid #eee;
    padding: 20px 0;
}

.notice-meta {
    font-size: 14px;
    color: #999;
    font-weight: bold;
    margin-bottom: 5px;
}

.tag {
    background: #00a1d6;
    color: #fff;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    margin-right: 10px;
}

.tag.act {
    background: #ff7f50;
}

.notice-title {
    font-size: 18px;
    color: #333;
    font-weight: bold;
    margin-bottom: 8px;
}

.notice-desc {
    font-size: 14px;
    color: #666;
}

/* ====================
   5. 第三屏：部门界面 (Dept)
   ==================== */
#dept {
    background-color: #f4f6f9; /* 【修改】背景改为灰白 */
}

.grid-box {
    display: grid;
    gap: 30px;
    padding: 10px;
    flex-grow: 1;
    overflow-y: auto;
    /* 默认手机竖屏：1 列 */
    grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 600px) {
    .grid-box { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
    .grid-box { grid-template-columns: repeat(3, 1fr); }
}

/* 卡片 - 白色 */
.card {
    background: #fff; /* 卡片白色 */
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid #eee; /* 稍微加点边框增加立体感 */
    padding-bottom: 15px;
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 161, 214, 0.15);
    border-color: #00a1d6;
}

.img-box {
    width: 100%;
    height: 140px;
    background: #eef2f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
}

.card img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
}

.card h3 {
    margin: 15px 0 5px;
    color: #333;
}

.card p {
    font-size: 12px;
    color: #aaa;
    margin-bottom: 15px;
    font-weight: bold;
}

.btn {
    padding: 5px 20px;
    border: 1px solid #00a1d6;
    color: #00a1d6;
    border-radius: 20px;
    font-size: 12px;
}

.btn:hover {
    background: #00a1d6;
    color: #fff;
}

/* ====================
   6. 第四屏：设定 (World)
   ==================== */
#world {
    background-color: #f4f6f9; /* 保持灰白 */
}

.world-grid {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    height: 100%;
    align-items: center;
}

.world-card {
    flex: 1;
    background: #fff; /* 卡片白色 */
    padding: 40px 20px;
    border-radius: 12px;
    text-align: center;
    height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    border-top: 5px solid #00a1d6;
    transition: 0.3s;
}

.world-card:hover {
    transform: translateY(-10px);
    background: #00a1d6;
    color: #fff;
}

.world-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.world-card p {
    font-size: 14px;
    line-height: 1.8;
    color: #666;
}

.world-card:hover p, .world-card:hover h3 {
    color: #fff;
}

@media (max-width: 768px) {
    .world-grid { flex-direction: column; height: auto; padding-bottom: 50px;}
    .world-card { width: 100%; height: auto; }
}


/* ====================
   7. 第五屏：舞台剧 (Stage)
   ==================== */
#stage {
    background-color: #f4f6f9; /* 【修改】背景改为灰白 */
}

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

.poster-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: 0.4s;
    background: #000;
}

.poster-img-box {
    width: 100%;
    padding-top: 150%;
    position: relative;
    background: #333;
}

.poster-img-box img,
.poster-img-box div {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 20px; font-weight: bold;
}

.poster-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    color: #fff;
    transform: translateY(100%);
    transition: 0.3s;
}

.poster-card:hover { transform: scale(1.02); }
.poster-card:hover .poster-info { transform: translateY(0); }

@media (max-width: 768px) {
    .poster-grid { grid-template-columns: 1fr; }
}


/* ====================
   8. 进场动画 (恢复 0.8s 快节奏)
   ==================== */
.content-wrapper,
.hero-content {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.page-section.active-anim .content-wrapper,
.page-section.active-anim .hero-content {
    opacity: 1;
    transform: translateY(0);
}

.page-section.active-anim .card:nth-child(1) { transition-delay: 0.1s; }
.page-section.active-anim .card:nth-child(2) { transition-delay: 0.15s; }
.page-section.active-anim .card:nth-child(3) { transition-delay: 0.2s; }
.page-section.active-anim .world-card:nth-child(1) { transition-delay: 0.1s; }
.page-section.active-anim .world-card:nth-child(2) { transition-delay: 0.2s; }
.page-section.active-anim .world-card:nth-child(3) { transition-delay: 0.3s; }

/* ====================
   9. 加载遮罩层
   ==================== */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f0faff 0%, #ffffff 100%);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.6s ease, visibility 0.6s;
}

.loader-content {
    text-align: center;
    transform: translateY(-20px);
}

.loader-content h2 {
    margin: 25px 0 10px;
    color: #333;
    font-size: 24px;
    letter-spacing: 2px;
    font-weight: bold;
}

.loader-content p {
    color: #00a1d6;
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 4px;
}

.anime-dots-loader {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 60px;
}

.anime-dots-loader span {
    width: 15px;
    height: 15px;
    margin: 0 6px;
    background-color: #00a1d6;
    border-radius: 50%;
    animation: anime-bounce 1.4s infinite ease-in-out both;
}

.anime-dots-loader span:nth-child(1) { animation-delay: -0.32s; }
.anime-dots-loader span:nth-child(2) { animation-delay: -0.16s; }

@keyframes anime-bounce {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.5;
    }
    40% {
        transform: scale(1.2) translateY(-10px);
        opacity: 1;
        box-shadow: 0 5px 15px rgba(0, 161, 214, 0.4);
    }
}

.hide-loader {
    opacity: 0;
    visibility: hidden;
}
/* ====================
   新增：情报详情页样式
   ==================== */
.article-page {
    padding-top: 100px;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}
.article-container {
    width: 90%;
    max-width: 800px;
    background: #fff;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    margin-bottom: 50px;
}
.article-header {
    border-bottom: 1px dashed #eee;
    padding-bottom: 20px;
    margin-bottom: 30px;
}
.article-title {
    font-size: 28px;
    color: #333;
    font-weight: bold;
    margin-bottom: 15px;
}
.article-meta {
    font-size: 14px;
    color: #999;
    display: flex;
    gap: 20px;
}
.article-content {
    font-size: 16px;
    line-height: 1.8;
    color: #444;
}
.article-content p { margin-bottom: 20px; text-align: justify; }
.article-content h3 { margin-top: 30px; margin-bottom: 15px; color: #00a1d6; font-size: 18px; border-left: 4px solid #00a1d6; padding-left: 10px; }
.back-btn-container { margin-top: 40px; text-align: center; border-top: 1px solid #f0f0f0; padding-top: 30px; }
.back-btn { display: inline-block; padding: 10px 30px; background: #f4f6f9; color: #666; border-radius: 30px; transition: 0.3s; font-weight: bold; font-size: 14px; }
.back-btn:hover { background: #00a1d6; color: #fff; }