/* ===================================
   哈罗礼德学校课后平台 - 主样式表
   Harrow LiDe School Co-Curricular Portal
   Design System V2.0 - 现代学院风 × 渐变美学
   =================================== */

/* 导入设计系统 */
@import url('design-system.css?v=20261026h');

/* 字体导入 - 使用Google Fonts替代本地字体 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600;700&family=Noto+Sans+SC:wght@400;500;700&display=swap');

@font-face {
    font-family: 'Bembo';
    src: url('../fonts/Bembo标准(BemboStd)_爱给网_aigei_com.otf') format('opentype');
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: 'Bembo';
    src: url('../fonts/Bembo粗体(Bembo-Bold)_爱给网_aigei_com.otf') format('opentype');
    font-weight: 700;
    font-display: swap;
}

@font-face {
    font-family: 'Gotham';
    src: url('../fonts/Gotham-Light-ca7739fa9c72.otf') format('opentype');
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: 'Gotham';
    src: url('../fonts/Gotham-BookItalic-3f3388c6c0dc.otf') format('opentype');
    /* 这是斜体文件：必须标 italic，否则 font-weight:500 的正文会被渲染成斜体 */
    font-weight: 500;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: 'Gotham';
    src: url('../fonts/Gotham-Bold-2d9c4008ed97.otf') format('opentype');
    font-weight: 700;
    font-display: swap;
}

:root {
    /* 主色系统 - 基于哈罗学校品牌色 */
    --primary-navy: #152242;        /* 主色：深蓝 */
    --primary-navy-light: #1e3158;  /* 浅深蓝 */
    --primary-navy-dark: #0d1629;   /* 深深蓝 */
    
    --accent-gold: #A69867;         /* 副色：金色 */
    --accent-gold-light: #c4b589;   /* 浅金色 */
    --accent-gold-dark: #8a7d52;    /* 深金色 */
    
    /* 辅助色系统 - 莫兰迪色系 */
    --accent-sage: #7a9b8e;         /* 鼠尾草绿 - 用于成功/自然 */
    --accent-terracotta: #c17767;   /* 陶土红 - 用于警告/强调 */
    --accent-slate: #6b7c93;        /* 石板蓝 - 用于信息 */
    --accent-mauve: #9d8b9e;        /* 淡紫 - 用于特殊标记 */
    
    /* 背景色 */
    --bg-cream: #f8f6f1;            /* 奶油白 */
    --bg-light: #ffffff;            /* 纯白 */
    --bg-warm: #faf8f3;             /* 暖白 */
    --bg-dark: #0d1629;             /* 深色背景 */
    --bg-overlay: rgba(21, 34, 66, 0.95);
    
    /* 文字色 */
    --text-primary: #2a2a2a;        /* 主文字 */
    --text-secondary: #5a5a5a;      /* 次要文字 */
    --text-light: #8a8a8a;          /* 浅色文字 */
    --text-inverse: #ffffff;        /* 反色文字 */
    
    /* 功能色 */
    --success: #7a9b8e;             /* 成功 - 鼠尾草绿 */
    --warning: #d4a574;             /* 警告 - 暖金色 */
    --error: #c17767;               /* 错误 - 陶土红 */
    --info: #6b7c93;                /* 信息 - 石板蓝 */

    /* 哈罗品牌功能色（管理端与管理页面引用） */
    --harrow-red: #8b2323;          /* 校红 - 删除 / 触线 */
    --harrow-green: #004c3f;        /* 校绿 - 通过 / 达标 */
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(21, 34, 66, 0.08);
    --shadow-md: 0 4px 16px rgba(21, 34, 66, 0.12);
    --shadow-lg: 0 8px 32px rgba(21, 34, 66, 0.16);
    --shadow-xl: 0 16px 48px rgba(21, 34, 66, 0.2);
    
    /* 字体 */
    --font-serif: 'Noto Serif SC', serif;
    --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-en-serif: 'Bembo', 'Times New Roman', serif;
    --font-en-sans: 'Gotham', 'Helvetica Neue', Arial, sans-serif;
    
    /* 组合字体：Banner标题用（中文Noto宋体 + 西文Bembo，加粗） */
    --font-banner: 'Bembo', 'Noto Serif SC', serif;
    /* 组合字体：所有其他文字用（中文Noto黑体 + 西文Gotham） */
    --font-body: 'Gotham', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* 过渡 */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   语言切换按钮 - 液态玻璃效果
   Language Toggle Button - Glassmorphism
   =================================== */
.language-toggle {
    position: fixed;
    top: 30px;
    right: 30px;
    z-index: 10000;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 8px 32px rgba(21, 34, 66, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0;
    overflow: hidden;
}

.language-toggle .flag-emoji {
    display: inline-block;
}

.language-toggle .flag-separator {
    color: #A69867;
    font-weight: 700;
    margin: 0 0.25rem;
    text-shadow: 0 0 8px rgba(166, 152, 103, 0.6);
}

.language-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3), 
        transparent);
    transition: left 0.6s ease;
}

.language-toggle:hover::before {
    left: 100%;
}

.language-toggle:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 12px 40px rgba(21, 34, 66, 0.4),
                inset 0 1px 0 rgba(255, 255, 255, 0.4);
    border-color: rgba(255, 255, 255, 0.5);
}

.language-toggle:hover .flag-separator {
    color: #c4b589;
    text-shadow: 0 0 12px rgba(196, 181, 137, 0.8);
}

.language-toggle:active {
    transform: translateY(0) scale(0.98);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .language-toggle {
        top: 15px;
        right: 15px;
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
    
    .language-toggle .flag-separator {
        margin: 0 0.15rem;
    }
}

/* ===================================
   全局重置与基础样式
   =================================== */

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background: var(--bg-cream);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===================================
   触屏：点按控件不选中文字
   ===================================
   手机上点按钮、连点卡片时，浏览器会把按钮里的文字当作正文选中，
   出现一片蓝底反白。控件上的文字只是标签，不需要被选中；
   正文（段落、表格、条款）保持可选，方便家长复制。
   同时关掉 Android/Chrome 点按瞬间的灰色高亮块。 */

html {
    -webkit-tap-highlight-color: transparent;
}

button,
summary,
[role="button"],
[role="tab"],
[onclick],
[class*="btn"],
[class*="button"],
.card-interactive,
.nav-card,
.card-link,
.pill-shine,
.app-entry,
.wp-download,
.wp-back,
.back-button,
.lang-pill,
.language-toggle,
.language-card {
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

/* ===================================
   容器与布局
   =================================== */

.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===================================
   主页头部
   =================================== */

.main-header {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%);
    color: var(--text-inverse);
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.main-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(166, 152, 103, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(122, 155, 142, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.header-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
}

.logo-section {
    margin-bottom: var(--spacing-md);
}

/* 哈罗Logo */
.harrow-logo {
    width: 80px;
    height: auto;
    margin: 0 auto var(--spacing-md);
    display: block;
    animation: fadeInDown 0.6s ease-out;
    filter: drop-shadow(0 2px 8px rgba(166, 152, 103, 0.3));
}

.school-name-en {
    font-family: 'Bembo', serif;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: var(--spacing-xs);
    animation: fadeInDown 0.6s ease-out;
}

.school-name-cn {
    font-family: 'Bembo', serif;
    font-size: 1.125rem;
    font-weight: 400;
    opacity: 0.9;
    letter-spacing: 0.01em;
    animation: fadeInDown 0.6s ease-out 0.1s backwards;
}

/* 中文模式下使用Noto宋体 */
html[lang="zh-CN"] .school-name-cn {
    font-family: 'Noto Serif SC', serif;
    font-size: 2.5rem;
    font-weight: 700;
    opacity: 0.95;
}

.header-subtitle {
    font-size: 1.125rem;
    opacity: 0.9;
    font-weight: 300;
    letter-spacing: 0.05em;
    animation: fadeInDown 0.6s ease-out 0.2s backwards;
}

/* ===================================
   Hero Section
   =================================== */

.hero-section {
    background: linear-gradient(to bottom, rgba(166, 152, 103, 0.08) 0%, transparent 100%);
    padding: var(--spacing-2xl) var(--spacing-md);
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 2.25rem;
    font-weight: 600;
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 0.6s ease-out 0.3s backwards;
}

/* 英文模式下隐藏中文标题 */
html[lang="en"] .hero-title {
    display: none;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.6s ease-out 0.4s backwards;
    line-height: 1.6;
}

/* 英文界面用 motto 原文（for 为金色斜体），不再复用中文标题位 */
.harrow-hat {
    display: block;
    max-width: 190px;
    height: auto;
    margin: 0 auto var(--spacing-lg);
    animation: fadeInUp 0.6s ease-out 0.4s backwards;
    filter: drop-shadow(0 4px 12px rgba(21, 34, 66, 0.2));
}

.motto-bold {
    font-family: var(--font-en-serif);
    font-weight: 700;
    color: var(--primary-navy);
}

.motto-italic {
    font-family: var(--font-en-serif);
    font-style: italic;
    color: var(--accent-gold);
    font-weight: 400;
}

/* 哈罗四大价值观：纯文字排版，无药丸、无 hover 动效、无入场延迟 */
.hero-values {
    display: flex;
    justify-content: center;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0;
}

.value-badge {
    display: inline-flex;
    align-items: center;
    background: none;
    color: var(--primary-navy);
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    font-family: var(--font-banner);
    font-size: clamp(1.02rem, 1.6vw, 1.24rem);
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1.5;
    text-indent: 0.08em;
}

.value-badge + .value-badge::before {
    content: '·';
    margin: 0 clamp(0.4rem, 1vw, 0.72rem);
    color: var(--accent-gold);
    font-weight: 400;
    letter-spacing: 0;
    text-indent: 0;
}

html[lang="en"] .value-badge {
    font-family: var(--font-en-serif);
    font-size: clamp(1.08rem, 1.7vw, 1.32rem);
    letter-spacing: 0.05em;
    text-indent: 0.05em;
}

/* ===================================
   主内容区域
   =================================== */

.main-content {
    flex: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-md);
    width: 100%;
}

/* ===================================
   导航卡片
   =================================== */

.nav-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.nav-card {
    background: var(--bg-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-slow);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out calc(0.6s + var(--card-delay, 0s)) backwards;
}

.cca-card {
    --card-delay: 0s;
}

.scholarship-card {
    --card-delay: 0.1s;
}

.games-card {
    --card-delay: 0.2s;
}

/* hover 只做整体浮起，不加装饰条与扫光 */
.nav-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.card-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, #152242 0%, #2a4070 50%, #A69867 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.9;
    transition: all var(--transition-slow);
    filter: drop-shadow(0 2px 4px rgba(21, 34, 66, 0.2));
}

.nav-card:hover .card-icon {
    transform: scale(1.15) rotate(8deg);
    opacity: 1;
    background: linear-gradient(135deg, #A69867 0%, #c4b589 50%, #7a9b8e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 4px 8px rgba(166, 152, 103, 0.4));
    animation: iconPulse 0.6s ease-out;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1.15) rotate(8deg); }
    50% { transform: scale(1.25) rotate(8deg); }
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.card-title {
    font-family: var(--font-body);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--primary-navy);
    margin-bottom: var(--spacing-xs);
    line-height: 1.32;
    text-wrap: balance;
}

/* 英文标题更长（Enrichment Programs Management / …Application Portal），略降字号 */
html[lang="en"] .card-title {
    font-size: 1.5rem;
}

.card-title-en {
    font-size: 1rem;
    color: var(--text-light);
    font-style: italic;
    margin-bottom: var(--spacing-md);
    text-wrap: pretty;
}

.card-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: var(--spacing-lg);
}

/* 英文标签文字更长，间距留足，hover 放大时不会挤到一起 */
html[lang="en"] .card-features {
    gap: 0.75rem;
}

.feature-tag {
    padding: 0.375rem 0.75rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: var(--font-body);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* CCA 卡片标签 - 使用荧光渐变 */
.cca-card .feature-tag:nth-child(1) {
    background: var(--gradient-sports);
    color: var(--harrow-navy);
    box-shadow: var(--shadow-sports);
}

.cca-card .feature-tag:nth-child(2) {
    background: var(--gradient-arts);
    color: var(--harrow-navy);
    box-shadow: var(--shadow-arts);
}

.cca-card .feature-tag:nth-child(3) {
    background: var(--gradient-academic);
    color: var(--white);
    box-shadow: var(--shadow-academic);
}

.cca-card .feature-tag:nth-child(4) {
    background: var(--gradient-leadership);
    color: var(--white);
    box-shadow: var(--shadow-leadership);
}

.cca-card .feature-tag:nth-child(5) {
    background: var(--gradient-urgent);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(240, 147, 251, 0.3);
}

.cca-card .feature-tag:nth-child(6) {
    background: var(--gradient-success);
    color: var(--harrow-navy);
    box-shadow: 0 2px 8px rgba(67, 233, 123, 0.3);
}

/* 奖学金卡片标签 - 使用荧光渐变 */
.scholarship-card .feature-tag:nth-child(1) {
    background: var(--gradient-gold);
    color: var(--harrow-navy);
    box-shadow: var(--shadow-gold);
}

.scholarship-card .feature-tag:nth-child(2) {
    background: var(--gradient-leadership);
    color: var(--white);
    box-shadow: var(--shadow-leadership);
}

.scholarship-card .feature-tag:nth-child(3) {
    background: var(--gradient-success);
    color: var(--harrow-navy);
    box-shadow: 0 2px 8px rgba(67, 233, 123, 0.3);
}

/* Harrow Games 卡片标签 */
.games-card .feature-tag:nth-child(1) {
    background: var(--gradient-gold);
    color: var(--harrow-navy);
    box-shadow: var(--shadow-gold);
}
.games-card .feature-tag:nth-child(2) {
    background: var(--gradient-leadership);
    color: var(--white);
    box-shadow: var(--shadow-leadership);
}
.games-card .feature-tag:nth-child(3) {
    background: var(--gradient-success);
    color: var(--harrow-navy);
    box-shadow: 0 2px 8px rgba(67, 233, 123, 0.3);
}

.feature-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* 只做轻微上浮，放大倍率收到 2%：超过 2% 时相邻标签会互相压边 */
.nav-card:hover .feature-tag {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
}

.nav-card:hover .feature-tag::before {
    opacity: 1;
}

.feature-tag span {
    position: relative;
    z-index: 1;
}

.card-button {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    /* 液态玻璃：色还在，但不是实心色块 */
    background: var(--glass-fill);
    -webkit-backdrop-filter: blur(16px) saturate(170%);
    backdrop-filter: blur(16px) saturate(170%);
    color: var(--text-inverse);
    border: var(--glass-edge);
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: var(--glass-lift);
}

/* 金色流光动效 - 从左向右 */
.card-button::before {
    content: '';
    position: absolute;
    top: -60%;
    bottom: -60%;
    left: -75%;
    width: 34%;
    /* 流光改成一道金色光带：整片盖金会把玻璃糊成土黄色 */
    background: linear-gradient(102deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(247, 232, 189, .30) 26%,
        rgba(255, 255, 255, .62) 50%,
        rgba(247, 232, 189, .30) 74%,
        rgba(255, 255, 255, 0) 100%);
    filter: blur(7px);
    transform: skewX(-16deg);
    transition: left 780ms cubic-bezier(.45, .05, .25, 1);
    z-index: 1;
}

.card-button:hover::before {
    left: 118%;
}

.card-button:hover {
    transform: translateX(4px) translateY(-2px);
    border-color: rgba(255, 255, 255, .44);
    box-shadow: var(--glass-lift-hover);
}

.card-button span {
    position: relative;
    z-index: 3;
}

/* ===================================
   快速信息卡片
   =================================== */

.quick-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.info-card {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 50px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    animation: fadeInUp 0.6s ease-out calc(0.8s + var(--info-delay, 0s)) backwards;
}

.info-card:nth-child(1) { --info-delay: 0s; }
.info-card:nth-child(2) { --info-delay: 0.1s; }
.info-card:nth-child(3) { --info-delay: 0.2s; }

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.info-card h4 {
    font-size: 0.875rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.info-highlight {
    font-family: var(--font-body);
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #A69867 0%, #c4b589 50%, #d4c49a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
    animation: shimmer 3s ease-in-out infinite;
    background-size: 200% 200%;
}

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

.info-detail {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ===================================
   页脚
   =================================== */

.main-footer {
    background: var(--primary-navy);
    color: var(--text-inverse);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    margin-top: auto;
    position: relative;
}

.main-footer p {
    margin-bottom: var(--spacing-xs);
    opacity: 0.8;
}

.footer-motto {
    font-family: var(--font-body);
    font-style: normal;
    font-size: 1.125rem;
    opacity: 0.9;
    font-weight: 400;
    margin-bottom: var(--spacing-sm) !important;
}

.footer-department {
    font-family: var(--font-body);
    font-size: 1rem;
    opacity: 0.85;
    font-weight: 400;
    margin-bottom: var(--spacing-sm) !important;
}

.footer-copyright {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* 备案号：法定标识，号码原文不改写；弱化到不与校名抢视线
   用两级选择器盖掉 .main-footer p 的 0.8 透明度 */
.main-footer .footer-icp {
    font-size: 0.8125rem;
    opacity: 0.64;
    margin-bottom: 0 !important;
    letter-spacing: 0.01em;
}

.footer-icp a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: opacity 0.2s ease, border-color 0.2s ease;
}

.footer-icp a:hover,
.footer-icp a:focus-visible {
    opacity: 1;
    border-bottom-color: currentColor;
}

/* 隐藏的管理入口 */
.admin-entry {
    position: absolute;
    bottom: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    cursor: pointer;
    opacity: 0.15;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.admin-entry span {
    font-size: 8px;
    color: var(--text-inverse);
    user-select: none;
}

.admin-entry:hover {
    opacity: 0.5;
    transform: scale(1.5);
}

.admin-entry:active {
    opacity: 1;
    transform: scale(2);
}

/* ===================================
   子页面头部
   =================================== */

.sub-header {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--accent-slate) 100%);
    color: var(--text-inverse);
    padding: var(--spacing-lg) var(--spacing-md);
    position: relative;
}

.sub-header-top {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.sub-header-logo {
    height: 40px;
    width: auto;
    opacity: 0.9;
    transition: all var(--transition-base);
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.2));
}

.sub-header-logo:hover {
    opacity: 1;
    transform: scale(1.05);
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-inverse);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    font-size: 0.9rem;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.back-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(166, 152, 103, 0.3) 0%, rgba(122, 155, 142, 0.3) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 1;
}

.back-button:hover::before {
    opacity: 1;
}

.back-button svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
    position: relative;
    z-index: 2;
}

.back-button:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(-4px);
    box-shadow: 0 4px 15px rgba(166, 152, 103, 0.3);
}

.back-button:hover svg {
    transform: translateX(-4px);
}

.back-button span {
    position: relative;
    z-index: 2;
}

.page-title {
    font-family: var(--font-body);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.page-subtitle {
    font-size: 1rem;
    opacity: 0.9;
    font-style: italic;
}

/* ===================================
   按钮样式
   =================================== */

.primary-button {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, #152242 0%, #1e3158 50%, #2a4070 100%);
    color: var(--text-inverse);
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px rgba(21, 34, 66, 0.3);
    position: relative;
    overflow: hidden;
}

.primary-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #A69867 0%, #c4b589 50%, #e8d4a8 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 1;
}

.primary-button:hover::before {
    opacity: 1;
}

.primary-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(166, 152, 103, 0.6);
}

.primary-button span {
    position: relative;
    z-index: 2;
}

.secondary-button {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-light);
    color: var(--primary-navy);
    border: 2px solid var(--primary-navy);
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all var(--transition-base);
}

.secondary-button:hover {
    background: var(--primary-navy);
    color: var(--text-inverse);
}

.success-button {
    background: var(--success);
}

.success-button:hover {
    background: var(--accent-sage);
    color: var(--text-inverse);
}

/* ===================================
   动画
   =================================== */

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@media (max-width: 1024px) {
    .nav-cards-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .language-toggle {
        top: 10px;
        right: 10px;
        padding: 0.6rem 1.2rem;
        font-size: 1rem;
    }
    
    .main-header {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .school-name-en {
        font-size: 1.75rem;
    }
    
    .school-name-cn {
        font-size: 1rem;
    }
    
    html[lang="zh-CN"] .school-name-cn {
        font-size: 1.75rem;
    }
    
    .header-subtitle {
        font-size: 1rem;
    }
    
    .hero-section {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .harrow-hat {
        max-width: 150px;
    }
    
    .hero-values {
        gap: 0;
    }
    
    .value-badge {
        font-size: 1rem;
        letter-spacing: 0.14em;
        text-indent: 0.14em;
    }
    
    .nav-cards-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .nav-card {
        padding: var(--spacing-lg);
    }
    
    .card-icon {
        width: 56px;
        height: 56px;
    }
    
    .card-title {
        font-size: 1.5rem;
    }
    
    .card-features {
        gap: 0.55rem;
    }
    
    .feature-tag {
        font-size: 0.8rem;
        padding: 0.375rem 0.625rem;
    }
    
    .quick-info {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .info-card {
        padding: var(--spacing-md);
    }
    
    .info-highlight {
        font-size: 1.75rem;
    }
    
    .main-content {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .main-footer {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .sub-header-logo {
        height: 32px;
    }
    
    .page-title {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .language-toggle {
        top: 8px;
        right: 8px;
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .main-header {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .school-name-en {
        font-size: 1.5rem;
    }
    
    .school-name-cn {
        font-size: 0.9rem;
    }
    
    html[lang="zh-CN"] .school-name-cn {
        font-size: 1.5rem;
    }
    
    .header-subtitle {
        font-size: 0.9rem;
    }
    
    .hero-section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .harrow-hat {
        max-width: 120px;
    }
    
    .value-badge {
        font-size: 0.95rem;
        letter-spacing: 0.1em;
        text-indent: 0.1em;
    }
    
    .nav-card {
        padding: var(--spacing-md);
    }
    
    .card-icon {
        width: 48px;
        height: 48px;
    }
    
    .card-title {
        font-size: 1.375rem;
    }
    
    html[lang="en"] .card-title {
        font-size: 1.3rem;
    }
    
    .card-title-en {
        font-size: 0.9rem;
    }
    
    .card-description {
        font-size: 0.95rem;
    }
    
    .feature-tag {
        font-size: 0.75rem;
        padding: 0.3rem 0.5rem;
    }
    
    .card-button {
        padding: var(--spacing-sm);
        font-size: 0.95rem;
    }
    
    .info-card {
        padding: var(--spacing-sm);
    }
    
    .info-card h4 {
        font-size: 0.8rem;
    }
    
    .info-highlight {
        font-size: 1.5rem;
    }
    
    .info-detail {
        font-size: 0.85rem;
    }
    
    .main-content {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .main-footer {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .footer-motto {
        font-size: 1rem;
    }
    
    .footer-department {
        font-size: 0.9rem;
    }
    
    .footer-copyright {
        font-size: 0.8rem;
    }
    
    .sub-header-logo {
        height: 28px;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .page-subtitle {
        font-size: 0.9rem;
    }
    
    .back-button {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.85rem;
    }
    
    .back-button svg {
        width: 16px;
        height: 16px;
    }
}

/* ===================================
   液态玻璃 · 只给「点进去某个界面」的入口用
   判断口径：能真正跳转/进入下一层的按钮与入口卡才配玻璃，
   纯展示卡保持实底 + 卡片动效，玻璃是点击暗示，不是装饰
   =================================== */

:root {
    --glass-fill:
        /* 顶部一道镜面光：玻璃最容易读出来的一层 */
        linear-gradient(180deg, rgba(255, 255, 255, .16) 0%, rgba(255, 255, 255, 0) 46%),
        radial-gradient(92% 118% at 26% -34%, rgba(255, 255, 255, .34) 0%, rgba(255, 255, 255, .08) 36%, rgba(255, 255, 255, 0) 58%),
        linear-gradient(135deg, rgba(21, 34, 66, .88) 0%, rgba(30, 49, 88, .84) 52%, rgba(42, 64, 112, .78) 100%);
    --glass-edge: 1px solid rgba(255, 255, 255, .24);
    --glass-lift:
        inset 0 1px 0 rgba(255, 255, 255, .46),
        inset 0 -1px 0 rgba(255, 255, 255, .14),
        0 1px 2px rgba(21, 34, 66, .14),
        0 12px 28px -14px rgba(21, 34, 66, .60);
    --glass-lift-hover:
        inset 0 1px 0 rgba(255, 255, 255, .58),
        inset 0 -1px 1px rgba(255, 255, 255, .14),
        0 2px 5px rgba(21, 34, 66, .16),
        0 18px 34px -16px rgba(21, 34, 66, .62);
}

/* ===================================
   深色药丸统一流光（与首页 .card-button 同一套语言）
   全站任何深底胶囊按钮都挂 .pill-shine，不要各自发明
   =================================== */

.pill-shine {
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.pill-shine > * {
    position: relative;
    z-index: 2;
}

.pill-shine::before {
    content: '';
    position: absolute;
    top: -60%;
    bottom: -60%;
    left: -78%;
    width: 34%;
    z-index: 1;
    /* 光带扫过，不是整片刷金：底色玻璃始终透出来 */
    background: linear-gradient(102deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(247, 232, 189, .32) 26%,
        rgba(255, 255, 255, .64) 50%,
        rgba(247, 232, 189, .32) 74%,
        rgba(255, 255, 255, 0) 100%);
    filter: blur(7px);
    transform: skewX(-16deg);
    transition: left 780ms cubic-bezier(0.45, 0.05, 0.25, 1);
    pointer-events: none;
}

.pill-shine:hover::before,
.pill-shine:focus-visible::before {
    left: 120%;
}

@media (prefers-reduced-motion: reduce) {
    .pill-shine::before { transition: none; }
}