/* ==================== 字体引入 ==================== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

/* ==================== 基础与布局样式 ==================== */
body {
    /* 优化：使用 Noto Sans SC 提升字体质感 */
    font-family: 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    padding: 0;
    /* 优化：使用更柔和的淡蓝色背景 */
    background-color: #f7f9fc; 
    color: #333;
    /* 优化：提升全局行高，增加可读性 */
    line-height: 1.6;
}
main {
    padding-top: 0; 
}
.page-container {
    max-width: 1000px;
    margin: 30px auto;
    padding: 0 20px;
    padding-top: 60px; /* 为固定导航栏留出顶部空间 */
}
/* 锚点定位时，预留出固定导航栏的高度 */
:target {
    scroll-margin-top: 65px; 
}
/* 辅助类，确保内容在背景动画之上 */
.z-index-content {
    position: relative;
    z-index: 2;
}
/* 优化：为所有链接添加平滑过渡 */
a {
    transition: all 0.3s ease;
}

/* ==================== 导航栏和页脚样式 (统一) ==================== */
header {
    background-color: #003a7a; 
    position: fixed;
    top: 0;
    width: 100%;
    padding: 10px 20px; 
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
    /* 优化：使用主题色作为阴影 */
    box-shadow: 0 2px 8px rgba(0, 58, 122, 0.2);
    z-index: 2000;
    height: 60px;
}
header .logo {
    display: flex;
    align-items: center;
    font-size: 1.2em; 
    font-weight: 500; /* 优化：字体稍粗 */
    color: white;
    flex-shrink: 1; 
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
header .logo img {
    height: 35px; 
    width: 35px;
    margin-right: 8px;
    border-radius: 50%;
    background-color: white;
}
.menu-toggle {
    display: block; 
    background: none;
    border: 1px solid white;
    color: white;
    font-size: 1.5em; 
    cursor: pointer;
    padding: 5px 10px;
    line-height: 1;
    border-radius: 4px;
    transition: background-color 0.2s;
    margin-left: auto; /* 确保在 index.html 上也生效 */
}
.menu-toggle:hover {
    background-color: #002a5a; 
}
header nav {
    position: absolute;
    top: 60px; 
    left: 0;
    width: 100%;
    max-height: 0; /* 默认折叠 */
    overflow: hidden;
    background-color: #003a7a; 
    transition: max-height 0.3s ease-in-out;
    box-shadow: 0 4px 8px rgba(0, 58, 122, 0.2);
    z-index: 1999;
}
/* 统一使用 .menu-open 类 */
header nav.menu-open {
    max-height: 500px; 
}
header nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: block; 
    text-align: center;
}
header nav ul li a {
    color: white; 
    text-decoration: none;
    padding: 15px 15px;
    display: block;
    transition: background-color 0.3s;
    border-bottom: 1px solid #002a5a; 
    font-weight: 300; /* 优化：字体稍细 */
}
header nav ul li:last-child a {
    border-bottom: none;
}
header nav ul li a:hover {
    background-color: #002a5a; 
}
/* 底部样式 */
footer {
    text-align: center;
    padding: 8px;
    background-color: #003a7a; /* 统一颜色 */
    color: white;
    margin-top: 0; /* 移除留白 */
    font-size: 0.9em; /* 优化：统一字体大小 */
}
footer p { margin: 0; }


/* ==================== 首页 (index.html) 特定样式 ==================== */
#hero {
    height: 100vh; width: 100%; background: WHITE; color: #003a7a; 
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    text-align: center; padding: 20px; box-sizing: border-box; padding-top: 70px; border-bottom: none;
    position: relative; overflow: hidden;
}
.hero-logo-large {
    width: 180px; height: 180px; border-radius: 50%; object-fit: cover;
    margin-bottom: 25px; box-shadow: 0 0 0 10px rgba(255, 255, 255, 0.5); 
}
.hero-title {
    display: flex; flex-direction: column; align-items: center; margin: 10px 0 15px 0;
    color: #003a7a; font-weight: 700; /* 优化：加粗 */ overflow: hidden; white-space: nowrap; 
    border-right: 0.15em solid #ff6f00; /* 打字机光标 */
}
.hero-line-1 { font-size: 2em; margin-bottom: 5px; letter-spacing: 0.1em; display: block; }
.hero-line-2 { font-size: 1.5em; color: #002a5a; letter-spacing: 0.1em; display: block; }
.hero-subtitle { font-size: 1.2em; margin-bottom: 40px; color: #ff6f00; font-weight: 500; }
@keyframes blink-caret { from, to { border-color: transparent } 50% { border-color: #ff6f00; } }
.scroll-down {
    position: absolute; bottom: 30px; font-size: 2em; cursor: pointer;
    animation: bounce 2s infinite; color: #003a7a; 
}
@keyframes bounce { 0%, 20%, 50%, 80%, 100% {transform: translateY(0);} 40% {transform: translateY(-10px);} 60% {transform: translateY(-5px);} }

#about-us-hero {
    height: 100vh; width: 100%; background-color: #f0f8ff; display: flex; justify-content: center; align-items: center;
    text-align: center; padding: 20px; box-sizing: border-box; position: relative; overflow: hidden;
}
.about-us-card {
    max-width: 800px; background-color: rgba(255, 255, 255, 0.8); backdrop-filter: blur(10px);
    border-radius: 15px; padding: 40px 40px 80px 40px; 
    /* 优化：统一阴影 */
    box-shadow: 0 8px 32px 0 rgba(0, 58, 122, 0.1);
    position: relative; z-index: 2;
}
.about-us-card h2 { font-size: 2.5em; color: #ff6f00; margin-bottom: 20px; }
.about-us-card h3 { font-size: 1.5em; color: #003a7a; margin-bottom: 20px; }
.about-us-card p { font-size: 1.1em; line-height: 1.6; margin-bottom: 15px; }
.about-us-card ul { list-style: none; padding: 0; display: inline-block; text-align: left; margin: 20px 0; }
.about-us-card ul li { font-size: 1.1em; margin-bottom: 10px; }
.about-us-card .join-link {
    position: absolute; bottom: 30px; right: 40px; color: #ff6f00; 
    font-weight: bold; font-size: 1.1em; text-decoration: none; transition: transform 0.2s;
}
.about-us-card .join-link:hover { transform: scale(1.05); }

#news-hero {
    min-height: 100vh; width: 100%; background-color: #f7f9fc; display: flex; flex-direction: column;
    justify-content: center; align-items: center; padding: 80px 20px;
    box-sizing: border-box; position: relative; overflow: hidden;
}
.news-hero-content {
    width: 100%; max-width: 1200px; position: relative; z-index: 2;
}
.news-hero-content h2 {
    text-align: center; color: #004a99; margin-bottom: 40px; font-size: 2.5em;
}
.news-grid {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 30px;
}
.news-card {
    background-color: transparent; width: 320px; height: 280px;
    perspective: 1000px;
}
.news-card-inner {
    position: relative; width: 100%; height: 100%; transition: transform 0.8s; transform-style: preserve-3d;
}
.news-card:hover .news-card-inner {
    transform: rotateY(180deg);
}
.news-card-front, .news-card-back {
    position: absolute; width: 100%; height: 100%; -webkit-backface-visibility: hidden;
    backface-visibility: hidden; border-radius: 15px; overflow: hidden; 
    /* 优化：统一阴影 */
    box-shadow: 0 5px 15px rgba(0, 58, 122, 0.08);
}
.news-card-front {
    background-color: #ffffff; color: #333;
    display: flex; justify-content: center; align-items: center;
}
.card-content {
    padding: 20px; text-align: center;
}
.card-content h3 {
    font-size: 1.4em; margin-bottom: 10px; font-weight: 500;
}
.card-content .news-date {
    font-size: 0.9em; color: #888;
}
.news-card-back {
    background: linear-gradient(45deg, #003a7a, #005a9a);
    color: white; transform: rotateY(180deg); display: flex; flex-direction: column;
    justify-content: center; align-items: center; padding: 20px;
}
.news-card-back h4 { font-size: 1.5em; margin-bottom: 15px; font-weight: 500;}
.news-card-back p { font-size: 1em; line-height: 1.6; }
.news-card-back a {
    color: #fff; text-decoration: none; border: 2px solid #fff; padding: 10px 20px;
    border-radius: 50px; margin-top: 25px; font-weight: bold; transition: background-color 0.3s, color 0.3s;
}
.news-card-back a:hover {
    background-color: #fff; color: #007bff;
}

/* 浮动图标背景 */
@keyframes floatUp {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(-100vh); opacity: 0; }
}
.floating-icons-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; margin: 0; padding: 0;
}
.floating-icons-bg li {
    position: absolute; display: block; list-style: none; width: 20px; height: 20px;
    color: rgba(0, 58, 122, 0.15); bottom: -150px;
    animation: floatUp 25s linear infinite; font-weight: bold; font-size: 1.5em;
}
.floating-icons-bg li:nth-child(1) { left: 25%; animation-duration: 18s; animation-delay: 0s; }
.floating-icons-bg li:nth-child(2) { left: 10%; width: 30px; height: 30px; animation-duration: 10s; animation-delay: 2s; font-size: 2em; }
.floating-icons-bg li:nth-child(3) { left: 70%; width: 25px; height: 25px; animation-duration: 22s; animation-delay: 4s; }
.floating-icons-bg li:nth-child(4) { left: 40%; width: 15px; height: 15px; animation-duration: 9s; animation-delay: 0s; font-size: 1.2em; }
.floating-icons-bg li:nth-child(5) { left: 65%; animation-duration: 16s; animation-delay: 7s; }
.floating-icons-bg li:nth-child(6) { left: 75%; width: 40px; height: 40px; animation-duration: 28s; animation-delay: 3s; font-size: 2.5em; }
.floating-icons-bg li:nth-child(7) { left: 35%; animation-duration: 12s; animation-delay: 8s; }
.floating-icons-bg li:nth-child(8) { left: 50%; width: 20px; height: 20px; animation-duration: 20s; animation-delay: 1s; }
.floating-icons-bg li:nth-child(9) { left: 20%; width: 10px; height: 10px; animation-duration: 10s; animation-delay: 9s; font-size: 1em; }
.floating-icons-bg li:nth-child(10) { left: 85%; width: 35px; height: 35px; animation-duration: 14s; animation-delay: 5s; font-size: 2.2em; }
.floating-icons-bg li:nth-child(11) { left: 5%; animation-duration: 21s; animation-delay: 10s; }
.floating-icons-bg li:nth-child(12) { left: 90%; width: 28px; height: 28px; animation-duration: 17s; animation-delay: 6s; }
.floating-icons-bg li:nth-child(13) { left: 15%; width: 18px; height: 18px; animation-duration: 13s; animation-delay: 3s; }
.floating-icons-bg li:nth-child(14) { left: 80%; width: 22px; height: 22px; animation-duration: 26s; animation-delay: 8s; }
.floating-icons-bg li:nth-child(15) { left: 55%; width: 32px; height: 32px; animation-duration: 15s; animation-delay: 1s; }

.floating-icons-bg li:nth-child(1)::before { content: '{ }'; }
.floating-icons-bg li:nth-child(2)::before { content: '</>'; }
.floating-icons-bg li:nth-child(3)::before { content: 'AI'; }
.floating-icons-bg li:nth-child(4)::before { content: 'Σ'; }
.floating-icons-bg li:nth-child(5)::before { content: 'β'; }
.floating-icons-bg li:nth-child(6)::before { content: '01'; }
.floating-icons-bg li:nth-child(7)::before { content: 'λ'; }
.floating-icons-bg li:nth-child(8)::before { content: '=>'; }
.floating-icons-bg li:nth-child(9)::before { content: 'π'; }
.floating-icons-bg li:nth-child(10)::before { content: '#'; }
.floating-icons-bg li:nth-child(11)::before { content: 'JS'; }
.floating-icons-bg li:nth-child(12)::before { content: 'α'; }
.floating-icons-bg li:nth-child(13)::before { content: '++'; }
.floating-icons-bg li:nth-child(14)::before { content: 'CSS'; }
.floating-icons-bg li:nth-child(15)::before { content: 'Py'; }

/* ==================== 滚动进入动画 (全站通用) ==================== */
/* 优化：提炼为通用类 .fade-in-on-scroll */
.fade-in-on-scroll {
    opacity: 0; 
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.is-visible {
    opacity: 1; 
    transform: translateY(0);
}
        
/* 底部链接 */
.friend-links { text-align: center; padding: 20px 0; border-top: 1px solid #ddd; background-color: #e0f7fa; }
.friend-links h3 { color: #004a99; margin-bottom: 15px; font-size: 1.2em; font-weight: 500;}
.link-container { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; max-width: 900px; margin: 0 auto; padding: 0 10px; }
.link-item { display: flex; align-items: center; text-decoration: none; color: #333; background-color: white; padding: 8px 12px; border-radius: 30px; box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1); transition: transform 0.2s, box-shadow 0.2s; font-size: 0.9em; }
.link-item:hover { 
    transform: translateY(-3px); 
    /* 优化：统一阴影 */
    box-shadow: 0 4px 10px rgba(0, 58, 122, 0.15); 
}
.link-item img { height: 20px; width: 20px; margin-right: 6px; border-radius: 50%; background-color: #eee; }


/* ==================== 子页面 (Article) 样式 ==================== */
.page-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.article-container {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    padding: 2rem;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

/* 文章标题装饰 */
.article-container h1 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.article-container h1::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    border-radius: 2px;
}

.article-meta {
    color: #666;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
}

.article-meta span {
    background-color: #f1f5f9;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    border-left: 3px solid #007bff;
}

.article-content {
    margin-bottom: 2rem;
}

.article-content img {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 8px;
    margin: 2rem auto;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    display: block;
    transition: transform 0.3s ease;
}

.article-content img:hover {
    transform: scale(1.02);
}

.article-content p {
    line-height: 1.7; 
    margin-bottom: 20px;
    text-indent: 0; 
    font-size: 1em;
}

.back-link {
    display: inline-block;
    margin-top: 20px; 
    font-weight: bold;
    color: #003a7a; 
    text-decoration: none;
    border: 1px solid #003a7a; 
    padding: 8px 15px;
    border-radius: 5px;
    transition: background-color 0.3s, box-shadow 0.3s;
}
.back-link:hover {
    background-color: #003a7a; 
    color: white;
    /* 优化：增加悬停阴影 */
    box-shadow: 0 2px 5px rgba(0, 58, 122, 0.2);
}
/* 图标类定义 */
i[class^="icon-"] {
    display: inline-block;
    width: 1em;
    height: 1em;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    vertical-align: middle;
    font-style: normal;
}

/* 自定义图标 */
.icon-handshake::before { content: '🤝'; font-size: 1.2em; }
.icon-graduation-cap::before { content: '🎓'; font-size: 1.2em; }
.icon-language::before { content: '🗣️'; font-size: 1.2em; }
.icon-external-link::before { content: '↗'; font-size: 1.2em; }
.icon-arrow-left::before { content: '←'; font-size: 1.2em; }
/* 上线意义部分 */
.website-benefits {
    margin: 3rem 0;
}

.website-benefits h3 {
    color: #2c3e50;
    margin-bottom: 2rem;
    font-size: 1.6rem;
    text-align: center;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
}
.card-icon {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}
.benefit-card i {
    font-size: 2.5rem;
    color: #007bff;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #007bff, #0056b3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.benefit-card h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.benefit-card p {
    color: #64748b;
    line-height: 1.6;
}

/* 行动召唤部分 */
.call-to-action {
    background: linear-gradient(135deg, #1e3a8a 0%, #3730a3 100%);
    border-radius: 12px;
    padding: 3rem;
    margin: 2rem 0;
    color: white;
    text-align: center;
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.3);
    position: relative;
    overflow: hidden;
}

.call-to-action::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.call-to-action h3 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.call-to-action p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* 次要访问按钮 */
.secondary-access-btn {
    display: inline-block;
    background: transparent;
    color: white;
    border: 2px solid white;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.secondary-access-btn:hover {
    background: white;
    color: #1e3a8a;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
    text-decoration: none;
}

/* 返回链接 */
.back-link {
    display: inline-block;
    margin-top: 20px; 
    font-weight: bold;
    color: #003a7a; 
    text-decoration: none;
    border: 1px solid #003a7a; 
    padding: 8px 15px;
    border-radius: 5px;
    transition: background-color 0.3s, box-shadow 0.3s;
}
.back-link:hover {
    background-color: #003a7a; 
    color: white;
    /* 优化：增加悬停阴影 */
    box-shadow: 0 2px 5px rgba(0, 58, 122, 0.2);
}
.back-link i {
    margin-right: 8px;
}
/* ==================== 子页面 (Members) 样式 ==================== */
.members-header {
    text-align: center;
    margin-bottom: 30px; 
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}
.members-header h1 {
    color: #ff6f00; 
    font-size: 2em;
    margin: 0;
    font-weight: 700;
}
.term-section { /* From nb.html */
    margin-bottom: 30px;
}
.term-title { /* From nb.html */
    color: #003a7a; 
    font-size: 1.8em; 
    border-bottom: 3px solid #e0f7fa;
    padding-bottom: 10px;
    margin-bottom: 20px; 
    font-weight: 700; /* 优化：加粗 */
    text-align: center;
}
.members-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    padding: 0 10px; 
    margin-top: 20px; /* From nb.html */
}
.position-badge {
    position: absolute;
    top: 0;
    left: 0;
    background-color: #003a7a;
    color: white;
    padding: 5px 15px;
    border-radius: 8px 0 8px 0; /* 优化：调整圆角位置 */
    font-size: 0.8em;
    font-weight: bold;
    z-index: 10;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
}
.member-card {
    background-color: white;
    position: relative; /* For position-badge */
    border-radius: 8px;
    /* 优化：统一阴影 */
    box-shadow: 0 5px 15px rgba(0, 58, 122, 0.08);
    overflow: hidden;
    width: 100%; 
    max-width: 500px; /* From nb.html */
    text-align: center;
    padding: 20px 15px;
    /* 优化：为上浮效果添加过渡 */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-sizing: border-box; 
}
/* 优化：上浮效果 */
.member-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 20px rgba(0, 58, 122, 0.12);
}
.member-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover; 
    background-color: #ddd; 
    margin: 0 auto 15px;
    display: block;
    border: 4px solid #e0f7fa;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}
.member-card:hover .member-photo {
    border-color: #003a7a;
    transform: scale(1.05);
}
.member-card h3 {
    color: #003a7a;
    margin: 0 0 5px 0;
    font-size: 1.3em; 
    font-weight: 500;
}
.member-role {
    color: #ff6f00;
    font-weight: bold;
    display: block;
    margin-bottom: 10px;
    font-size: 0.9em;
}
.member-bio {
    padding: 12px 15px;
    font-size: 0.9em;
    color: #666;
    line-height: 1.6;
    /* 优化：使用主题色作为背景 */
    background-color: rgba(0, 58, 122, 0.05);
    border-radius: 4px;
    margin: 0 5px;
}

/* ==================== 桌面端 (Tablet & Desktop) 样式覆盖 ==================== */
@media (min-width: 768px) {
    /* --- 统一导航栏 --- */
    header {
        padding: 10px 5%;
        /* 移除 height: auto; 保持 60px 高度 */
    }
    .menu-toggle { 
        display: none; 
    }
    header .logo {
        font-size: 1.5em; 
        flex-shrink: 0; /* 统一 */
    }
    header .logo img {
        height: 40px; 
        width: 40px;
        margin-right: 10px;
    }
    /* 修复：使用 position: absolute 确保所有页面垂直居中 */
    header nav {
        position: absolute; 
        top: 50%;
        transform: translateY(-50%);
        right: 5%;
        max-height: none; 
        overflow: visible;
        background-color: transparent; 
        box-shadow: none;
        width: auto;
        left: auto;
    }
    header nav ul {
        display: flex; 
        text-align: left;
    }
    header nav ul li a {
        padding: 10px 15px;
        border-bottom: none; 
        font-weight: 400; /* 优化：桌面端字体 */
    }

    /* --- 首页特定 --- */
    .hero-line-1 { font-size: 3em; }
    .hero-line-2 { font-size: 2em; }
    .hero-logo-large { width: 250px; height: 250px; }
    
    /* --- 文章页特定 --- */
    .article-container {
        padding: 40px;
    }
    .article-container h1 {
        font-size: 2.8em;
        padding-bottom: 15px;
    }
    .article-content p {
        text-indent: 2em; /* 恢复首行缩进 */
    }

    /* --- 成员页特定 --- */
    .term-title { /* From nb.html */
        font-size: 2em;
    }
    .member-card { /* From members.html */
        flex-basis: calc((100% - 50px) / 3);
        max-width: 350px; 
        padding: 25px 20px;
    }
    .member-photo {
        width: 150px;
        height: 150px;
        margin: 0 auto 20px;
    }
    
    /* From nb.html - 会长卡片特殊样式 */
    .term-section .member-card {
        flex-basis: 920px; /* 恢复会长卡片的宽度 */
        max-width: 920px;
    }
    .term-section .member-photo {
        width: 180px; /* 恢复会长头像大小 */
        height: 180px;
    }
    
}