/* ==========================================================================
   AMMLab 無障礙網站樣式
   WCAG 2.1 AA 等級合規
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS 變數（設計代號）
   -------------------------------------------------------------------------- */
:root {
    /* 主色調 - 深藍（對比比 ≥ 4.5:1） */
    --color-primary: #003366;
    --color-primary-dark: #002244;
    --color-primary-light: #1a5276;
    --color-primary-bg: #e8f0f8;
    /* 與白色文字對比須 ≥ 4.5:1（WCAG AA）；#2f86c6 對白過淺會被 Lighthouse 列為不及格 */
    --color-nav-active-bg: #155a94;
    --color-page-hero-bg: #d9ecff;
    --color-page-hero-text: #003366;
    /* 全站 .page-hero 淺藍標題區垂直空間：原 3xl 的 85%（高度約縮小 15%） */
    --page-hero-padding-y: calc(var(--spacing-3xl) * 0.85);

    /* 輔助色 */
    --color-secondary: #7c5900;
    --color-secondary-dark: #5f4300;
    --color-secondary-light: #f0c040;

    /* 文字色（深色背景用淺色，淺色背景用深色） */
    --color-text: #1a1a1a;
    --color-text-secondary: #444444;
    --color-text-light: #666666;
    --color-text-on-dark: #ffffff;
    --color-text-on-dark-secondary: #e8e8e8;

    /* 背景色 */
    --color-bg: #ffffff;
    --color-bg-light: #f5f7fa;
    --color-bg-dark: #1a1a1a;

    /* 邊框色 */
    --color-border: #cccccc;
    --color-border-focus: #003366;

    /* 狀態色 */
    --color-success: #1e7e34;
    --color-error: #c0392b;
    --color-warning: #856404;
    --color-info: #0c5460;

    /* 分類色標 */
    --color-category-admission: #1565c0;
    --color-category-affairs: #2e7d32;
    --color-category-honor: #6a1b9a;
    --color-category-industry: #bf360c;
    --color-category-other: #37474f;
    --color-category-activities: #00695c;

    /* 字型 */
    --font-family: 'Noto Sans TC', '微軟正黑體', 'Microsoft JhengHei', sans-serif;
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-md: 1.125rem;   /* 18px */
    --font-size-lg: 1.25rem;    /* 20px */
    --font-size-xl: 1.5rem;     /* 24px */
    --font-size-2xl: 1.875rem;  /* 30px */
    --font-size-3xl: 2.25rem;   /* 36px */

    /* 行高 */
    --line-height-tight: 1.3;
    --line-height-base: 1.6;
    --line-height-loose: 1.8;

    /* 間距 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* 圓角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* 陰影 */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);

    /* 動畫 */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* 版面最大寬 */
    --max-width: 1200px;
    --container-padding: 1rem;

    /* WCAG 1.4.3: 覆寫 Bootstrap 5 預設橘色（#fd7e14 白字僅 2.57:1 ✗）
       改為深橘 #c65c00（白字對比 5.12:1 ✓）                              */
    --bs-orange: #c65c00;
    --bs-orange-rgb: 198, 92, 0;

    /* WCAG 1.4.3: 覆寫 Bootstrap 5 主色藍（#0d6efd 白字僅 4.50:1，邊界值）
       改為 #0050cc（白字對比 6.96:1 ✓），Bootstrap 4 的 #007bff 僅 3.98:1 ✗ */
    --bs-primary: #0050cc;
    --bs-primary-rgb: 0, 80, 204;
    --bs-link-color: #0050cc;
    --bs-link-color-rgb: 0, 80, 204;
    --bs-link-hover-color: #0041a8;
    --bs-link-hover-color-rgb: 0, 65, 168;
}

/* WCAG 1.4.11: Bootstrap .form-control 預設邊框 #ced4da 對白底僅 1.49:1 ✗
   覆寫為 #767676（4.54:1 ✓），符合 SC 1.4.11 UI 元件對比需求             */
.form-control,
.form-select,
.form-control[type="file"] {
    border-color: #767676;
}
.form-control:focus,
.form-select:focus {
    border-color: var(--color-border-focus);
}

/* WCAG 1.4.3: Bootstrap 橘色工具類別明確覆寫（靜態分析補強）
   --bs-orange 已於 :root 覆寫，此處處理靜態分析無法跟蹤變數的工具 */
.bg-orange { background-color: #c65c00 !important; }
.text-orange { color: #c65c00 !important; }
.border-orange { border-color: #c65c00 !important; }

.sitemap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 2rem;
}

.sitemap-section-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-primary);
    margin-bottom: 0.75rem;
}

.sitemap-links {
    list-style: none;
    padding: 0;
}

.sitemap-links li {
    padding: 0.35rem 0;
    border-bottom: 1px dashed var(--color-border);
}

.sitemap-links li:last-child {
    border-bottom: none;
}

.sitemap-links a {
    font-size: 0.9rem;
    color: var(--color-text);
    text-decoration: none;
}

.sitemap-links a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   高對比模式
   -------------------------------------------------------------------------- */
.high-contrast {
    --color-primary: #000000;
    --color-primary-dark: #000000;
    --color-text: #000000;
    --color-text-secondary: #000000;
    --color-bg: #ffffff;
    --color-bg-light: #ffffff;
    --color-border: #000000;
    --color-border-focus: #ffff00;
    --color-text-on-dark: #ffffff;
}

.high-contrast a { color: #0000ee; text-decoration: underline; }
.high-contrast a:visited { color: #551a8b; }
.high-contrast button { border: 2px solid #000; }

.high-contrast .site-header,
.high-contrast .site-footer,
.high-contrast .footer-bottom,
.high-contrast .main-nav,
.high-contrast .nav-list,
.high-contrast .nav-toggle,
.high-contrast .hero-carousel,
.high-contrast .carousel-bg,
.high-contrast .admin-app-header {
    background: #000000 !important;
    color: #ffffff !important;
}

.high-contrast .footer-address,
.high-contrast .footer-address a,
.high-contrast .footer-links a,
.high-contrast .footer-copyright,
.high-contrast .footer-a11y,
.high-contrast .footer-a11y a {
    color: #ffffff !important;
}

.high-contrast .news-list-item,
.high-contrast .card,
.high-contrast .research-card .card,
.high-contrast .dropdown-menu,
.high-contrast .page-hero,
.high-contrast .bg-light,
.high-contrast .lab-card-photo-empty {
    background: #ffffff !important;
    color: #000000 !important;
    border-color: #000000 !important;
}

.high-contrast .news-category,
.high-contrast .news-badge,
.high-contrast .carousel-btn,
.high-contrast .carousel-dot,
.high-contrast .btn,
.high-contrast .a11y-btn,
.high-contrast .nav-link,
.high-contrast .dropdown-link,
.high-contrast .faculty-dropdown-name,
.high-contrast .faculty-dropdown-lab-link {
    background: #000000 !important;
    color: #ffffff !important;
    border-color: #ffffff !important;
}

.high-contrast .news-title a,
.high-contrast .news-date,
.high-contrast .news-empty,
.high-contrast .card-title,
.high-contrast .card-text,
.high-contrast .section-subtitle,
.high-contrast .form-hint,
.high-contrast .form-required-note {
    color: #000000 !important;
}

.high-contrast .carousel-text-layer,
.high-contrast .carousel-text-layer .carousel-subtitle,
.high-contrast .carousel-text-layer .carousel-title,
.high-contrast .carousel-text-layer .carousel-desc,
.high-contrast .site-header a,
.high-contrast .site-header a:visited,
.high-contrast .main-nav a,
.high-contrast .main-nav a:visited,
.high-contrast .dropdown-section-label,
.high-contrast .faculty-dropdown-glyph {
    color: #ffffff !important;
}

.high-contrast .form-input,
.high-contrast .form-textarea,
.high-contrast select {
    background: #ffffff !important;
    color: #000000 !important;
    border-color: #000000 !important;
}

.high-contrast .carousel-bg::after {
    background: rgba(0, 0, 0, 0.88) !important;
}

.high-contrast :focus-visible {
    outline-color: #ffff00 !important;
    box-shadow: 0 0 0 6px #000000 !important;
}

/* --------------------------------------------------------------------------
   字型大小調整
   -------------------------------------------------------------------------- */
.font-small { font-size: 87.5%; }
.font-medium { font-size: 100%; }
.font-large { font-size: 112.5%; }

/* --------------------------------------------------------------------------
   基礎重置與全域樣式
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: var(--line-height-base);
    -webkit-font-smoothing: antialiased;
}

/* --------------------------------------------------------------------------
   無障礙工具類別
   -------------------------------------------------------------------------- */

/* 視覺隱藏但螢幕閱讀器可讀取 */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* 跳至主要內容 */
.skip-links {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    width: 100%;
    height: 0;
}

.skip-link {
    position: absolute;
    top: 0;
    left: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: #000000;
    color: #ffffff;
    font-size: var(--font-size-base);
    font-weight: 700;
    text-decoration: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    transform: translateY(-150%);
    transition: transform var(--transition-fast);
    z-index: 9999;
}

.skip-link:focus {
    transform: translateY(0);
    outline: 3px solid #ffbf47;
    outline-offset: 3px;
    box-shadow: 0 0 0 7px rgba(0, 0, 0, 0.95);
}

/* 焦點樣式 - 所有可聚焦元素 */
:focus-visible {
    outline: 3px solid var(--color-border-focus);
    outline-offset: 3px;
    box-shadow: 0 0 0 6px rgba(240, 192, 64, 0.45);
}

/* 移除 :focus 同時保留 :focus-visible */
:focus:not(:focus-visible) {
    outline: none;
}

/* --------------------------------------------------------------------------
   連結樣式
   -------------------------------------------------------------------------- */
a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
    text-decoration-thickness: 2px;
}

a:focus-visible {
    text-decoration: underline;
    text-decoration-thickness: 2px;
}

main a {
    overflow-wrap: anywhere;
}

main p,
main li,
main td,
main th,
main dd,
main figcaption {
    overflow-wrap: anywhere;
    word-break: break-word;
}

main pre,
main code {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: break-word;
}

a:visited {
    color: var(--color-primary-light);
}

/* --------------------------------------------------------------------------
   版面容器
   -------------------------------------------------------------------------- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

@media (min-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
}

.section-padding {
    padding: var(--spacing-3xl) 0;
}

.section-padding-top {
    padding-top: var(--spacing-2xl);
}

.bg-light {
    background-color: var(--color-bg-light);
}

/* --------------------------------------------------------------------------
   無障礙工具列
   -------------------------------------------------------------------------- */
.accessibility-toolbar {
    background-color: var(--color-bg-light);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
}

.accessibility-toolbar .container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.a11y-tools {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-xs);
    align-items: center;
    flex-wrap: wrap;
}

.a11y-btn {
    background: none;
    border: 1px solid var(--color-border);
    padding: 4px 10px;
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
    min-height: 32px;
    min-width: 32px;
}

.a11y-btn:hover {
    background-color: var(--color-primary);
    color: var(--color-text-on-dark);
    border-color: var(--color-primary);
}

.a11y-btn-active {
    background-color: var(--color-primary);
    color: var(--color-text-on-dark);
    border-color: var(--color-primary);
}

.a11y-link {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    padding: 4px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
}

.a11y-link:hover {
    background-color: var(--color-primary);
    color: var(--color-text-on-dark);
    border-color: var(--color-primary);
    text-decoration: none;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.lang-switch a {
    color: var(--color-text);
    text-decoration: none;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.lang-switch .admin-login-link {
    padding: 0;
}

.lang-switch a:hover,
.lang-switch .lang-active {
    color: var(--color-primary);
    font-weight: 600;
}

.admin-login-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    margin-left: 0;
    border: 0;
    border-radius: 0;
    color: var(--color-primary);
    background-color: transparent;
    text-decoration: none;
    transition: color var(--transition-fast), opacity var(--transition-fast);
}

.admin-login-link:hover,
.admin-login-link:focus-visible {
    background-color: transparent;
    color: var(--color-primary);
    opacity: 0.75;
    text-decoration: none;
}

.admin-login-link:focus-visible {
    outline: 3px solid var(--color-border-focus);
    outline-offset: 2px;
}

.admin-login-link__icon {
    display: block;
    width: 18px;
    height: 18px;
}

@media (max-width: 576px) {
    .admin-login-link {
        width: 44px;
        height: 44px;
        margin-left: 0;
    }

    .admin-login-link__icon {
        width: 16px;
        height: 16px;
    }
}

/* --------------------------------------------------------------------------
   頁首
   -------------------------------------------------------------------------- */
.site-header {
    background-color: var(--color-primary);
    color: var(--color-text-on-dark);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    color: var(--color-text-on-dark);
}

.site-logo img {
    /* ★ 調整 Logo 大小：修改 max-height 控制高度，寬度自動等比例縮放 */
    max-height: 56px;   /* 可改為 48px（小）、56px（中）、72px（大） */
    width: auto;        /* 依原圖比例自動計算寬度，不強制正方形 */
    max-width: 200px;   /* 防止橫向 Logo 過寬 */
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text-zh {
    font-size: var(--font-size-lg);
    font-weight: 700;
    line-height: 1.3;
}

.logo-text-en {
    font-size: var(--font-size-sm);
    opacity: 0.85;
    line-height: 1.3;
}

/* 漢堡按鈕 */
.nav-toggle {
    display: none;
    background: none;
    border: 2px solid var(--color-text-on-dark);
    padding: var(--spacing-sm);
    cursor: pointer;
    border-radius: var(--radius-sm);
    flex-direction: column;
    gap: 5px;
    width: 44px;
    height: 44px;
    justify-content: center;
    align-items: center;
}

.hamburger-line {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-text-on-dark);
    transition: var(--transition-base);
}

/* --------------------------------------------------------------------------
   主導航
   -------------------------------------------------------------------------- */
.main-nav {
    background-color: var(--color-primary-dark);
    position: relative;
    z-index: 99;
}

.nav-list {
    display: flex;
    list-style: none;
    align-items: stretch;
    flex-wrap: nowrap;
}

.nav-item {
    position: relative;
    color: var(--color-text-on-dark);
    flex: 0 0 auto;
}

.nav-link {
    display: flex;
    padding: 0.75rem 0.7rem;
    color: var(--color-text-on-dark);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: 500;
    transition: background-color var(--transition-fast);
    border: none;
    background-color: var(--color-primary-dark);
    cursor: pointer;
    font-family: var(--font-family);
    white-space: nowrap;
    min-height: 44px;
    align-items: center;
    gap: var(--spacing-xs);
}

.main-nav .nav-link,
.main-nav .nav-link:visited,
.main-nav .nav-link:focus {
    color: var(--color-text-on-dark);
}

.nav-link:hover,
.nav-item:hover > .nav-link,
.nav-active > .nav-link {
    background-color: var(--color-nav-active-bg);
    color: var(--color-text-on-dark);
    text-decoration: none;
}

.nav-active > .nav-link {
    border-bottom: 3px solid var(--color-secondary);
}

.dropdown-arrow {
    font-size: 0.75em;
    transition: transform var(--transition-fast);
}

.nav-item.dropdown-open .dropdown-arrow {
    transform: rotate(180deg);
}

/* 下拉選單 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: var(--color-primary);
    list-style: none;
    box-shadow: var(--shadow-lg);
    border-top: 3px solid var(--color-secondary);
    z-index: 200;
    display: none;
}

.nav-item:hover > .dropdown-menu,
.nav-item:focus-within > .dropdown-menu,
.nav-item.dropdown-open > .dropdown-menu {
    display: block;
}

.dropdown-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-text-on-dark);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: background-color var(--transition-fast);
    min-height: 44px;
    display: flex;
    align-items: center;
}

.main-nav .dropdown-link,
.main-nav .dropdown-link:visited,
.main-nav .dropdown-link:focus {
    color: var(--color-text-on-dark);
}

.dropdown-link:hover {
    background-color: var(--color-primary-light);
    color: var(--color-text-on-dark);
    text-decoration: none;
}

.dropdown-link:focus-visible,
.faculty-dropdown-name:focus-visible {
    background-color: var(--color-primary-light);
    color: var(--color-text-on-dark);
    text-decoration: underline;
}

/* 勿設過大 min-width，否則右側會殘留整塊空白；改為依內容寬並用 max-width 防止超出視窗 */
.faculty-dropdown-menu {
    width: max-content;
    max-width: min(820px, calc(100vw - 2rem));
    min-width: min(16rem, 100%);
    box-sizing: border-box;
    padding: var(--spacing-sm) 0;
}

.dropdown-section-label {
    padding: var(--spacing-xs) var(--spacing-lg);
    color: var(--color-secondary-light);
    font-size: var(--font-size-sm);
    font-weight: 700;
}

/* 師資下拉：左右欄小標垂直區塊一致，利於與實驗室清單對齊 */
.faculty-dropdown-split__faculty > .dropdown-section-label:first-child,
.faculty-dropdown-split__labs > .dropdown-section-label:first-child {
    min-height: 2.25rem;
    display: flex;
    align-items: center;
    padding-top: var(--spacing-sm);
    padding-bottom: 0.2rem;
}

.faculty-dropdown-sprite {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

.dropdown-link-heading {
    font-weight: 700;
}

/* 師資列：僅「人員圖示｜姓名」；實驗室請由右欄「研究實驗室」進入 */
.faculty-dropdown-link {
    display: grid;
    grid-template-columns: 1.25rem minmax(0, 1fr);
    column-gap: 0.5rem;
    row-gap: 0;
    align-items: center;
    padding: 0.5rem var(--spacing-lg);
    min-height: 44px;
    box-sizing: border-box;
}

.faculty-dropdown-glyph {
    flex-shrink: 0;
    display: block;
    color: rgba(255, 255, 255, 0.88);
    justify-self: center;
}

.faculty-dropdown-name {
    color: var(--color-text-on-dark);
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.faculty-dropdown-name:visited,
.faculty-dropdown-name:focus {
    color: var(--color-text-on-dark);
}

.faculty-dropdown-name:hover {
    color: var(--color-text-on-dark);
    text-decoration: underline;
}

.faculty-dropdown-split {
    list-style: none;
    margin: 0;
    padding: 0;
    width: fit-content;
    max-width: 100%;
    box-sizing: border-box;
}

/* 右欄：實驗室標題最長仍可換行；上限由 min(34rem,80vw) 縮為 75% 以收右側留白 */
.faculty-dropdown-split__inner {
    display: inline-grid;
    grid-template-columns: max-content minmax(12.5rem, min(25.5rem, 60vw));
    /* 師資／實驗室間距：基底 1.125rem ×1.25（首轮）後再 ×1.25（本轮綠區 +25%） */
    column-gap: calc(1.125rem * 1.25 * 1.25);
    align-items: start;
    justify-content: start;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.faculty-dropdown-split__faculty {
    justify-self: start;
    width: max-content;
    max-width: min(20rem, 42vw);
}

.faculty-dropdown-split__faculty .dropdown-section-label:not(:first-child) {
    padding-top: var(--spacing-md);
}

.faculty-dropdown-split__labs .dropdown-section-label {
    padding-top: var(--spacing-sm);
}

.faculty-dropdown-split__labs {
    border-left: 1px solid rgba(255, 255, 255, 0.12);
    padding-bottom: var(--spacing-sm);
    box-sizing: border-box;
}

.faculty-dropdown-labs-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* :visited 須覆寫全域 a:visited（藍色），否則已點過的項目在深藍底會幾乎看不見 */
.faculty-dropdown-lab-link {
    display: grid;
    grid-template-columns: 1.25rem minmax(0, 1fr);
    column-gap: 0.5rem;
    align-items: center;
    padding: 0.5rem var(--spacing-lg);
    color: var(--color-text-on-dark);
    font-size: var(--font-size-sm);
    line-height: 1.45;
    text-decoration: none;
    min-height: 44px;
    box-sizing: border-box;
}

.faculty-dropdown-lab-link:visited {
    color: var(--color-text-on-dark);
}

.faculty-dropdown-lab-title {
    min-width: 0;
}

.faculty-dropdown-lab-link:hover,
.faculty-dropdown-lab-link:focus-visible {
    color: var(--color-text-on-dark);
    background-color: var(--color-primary-light);
    text-decoration: none;
}

.faculty-lab-pin {
    flex-shrink: 0;
    line-height: 1.2;
}

/* 研究實驗室列與左欄圖示欄對齊：圖示欄與師資列同寬 */
.faculty-dropdown-lab-link .faculty-dropdown-glyph {
    justify-self: center;
}

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

/* 實驗室詳情內文：與上方左欄對齊；排版優化（可讀區寬、區塊區隔、條列視覺） */
.laboratory-detail-page .laboratory-rich-content {
    max-width: none;
    margin: 0;
    margin-bottom: calc(var(--font-size-base) * var(--line-height-base));
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text-secondary);
    background: linear-gradient(165deg, rgba(232, 240, 248, 0.55) 0%, rgba(255, 255, 255, 0.96) 42%, #fff 100%);
    border: 1px solid rgba(0, 51, 102, 0.1);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl) var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    box-sizing: border-box;
}

.laboratory-detail-page .laboratory-rich-content > *:last-child {
    margin-bottom: 0;
}

.laboratory-detail-page .laboratory-rich-content p {
    margin: 0 0 var(--spacing-md);
    line-height: var(--line-height-loose);
}

.laboratory-detail-page .laboratory-rich-content p + .lab-section-heading {
    margin-top: var(--spacing-xl);
}

.laboratory-detail-page .laboratory-rich-content .lab-section-heading {
    margin: var(--spacing-xl) 0 var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    font-size: var(--font-size-md);
    font-weight: 700;
    color: var(--color-primary);
    line-height: var(--line-height-tight);
    border-bottom: 2px solid rgba(0, 51, 102, 0.12);
    letter-spacing: 0.02em;
}

.laboratory-detail-page .laboratory-rich-content .lab-section-heading:first-child {
    margin-top: 0;
}

.laboratory-detail-page .laboratory-rich-content ul {
    padding-left: 0;
    margin: 0 0 var(--spacing-lg);
}

.laboratory-detail-page .laboratory-rich-content ul:not(.inline-list):not(.laboratory-area-list) {
    padding-left: 1.35rem;
    list-style-type: disc;
}

/* 主要領域等：直式條列（非 inline） */
.laboratory-detail-page .laboratory-rich-content .laboratory-area-list:not(.inline-list) {
    list-style: none;
    margin: var(--spacing-md) 0 var(--spacing-lg);
}

.laboratory-detail-page .laboratory-rich-content .laboratory-area-list:not(.inline-list) li {
    position: relative;
    padding: 0.4rem 0 0.4rem 1.35rem;
    line-height: var(--line-height-base);
    border-radius: var(--radius-sm);
}

.laboratory-detail-page .laboratory-rich-content .laboratory-area-list:not(.inline-list) li::before {
    content: "";
    position: absolute;
    left: 0.2rem;
    top: 0.85em;
    width: 0.4rem;
    height: 0.4rem;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
    opacity: 0.85;
}

.laboratory-detail-page .laboratory-rich-content .laboratory-area-list:not(.inline-list) li:nth-child(even) {
    background: rgba(0, 51, 102, 0.035);
}

/* 主要領域：橫向彙整（inline-list）改為標籤排列，避免頓號堆疊 */
.laboratory-detail-page .laboratory-rich-content ul.inline-list.laboratory-area-list {
    gap: var(--spacing-sm);
    margin-bottom: 0;
}

.laboratory-detail-page .laboratory-rich-content ul.inline-list.laboratory-area-list li {
    margin: 0;
    padding: 0.4rem 0.75rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    background: #fff;
    border: 1px solid rgba(0, 51, 102, 0.14);
    border-radius: var(--radius-md);
    box-shadow: 0 1px 2px rgba(0, 51, 102, 0.06);
}

.laboratory-detail-page .laboratory-rich-content ul.inline-list.laboratory-area-list li + li::before {
    content: none;
}

.laboratory-detail-page .laboratory-rich-content .lab-official-source {
    display: none;
}

.laboratory-detail-page .laboratory-rich-content .img-watermark {
    display: block;
    max-width: 100%;
    margin: var(--spacing-md) 0 var(--spacing-lg);
}

.laboratory-detail-page .laboratory-rich-content .img-watermark img {
    display: block;
    width: 100%;
    height: auto;
}

@media (max-width: 576px) {
    .laboratory-detail-page .laboratory-rich-content {
        padding: var(--spacing-lg) var(--spacing-md);
        border-radius: var(--radius-md);
    }
}

/* 實驗室詳細：左圖、右側深藍表頭／白底內容表 */
.laboratory-intro-kicker {
    margin: 0 0 var(--spacing-md);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
}

.laboratory-intro-section .laboratory-detail-body {
    margin-bottom: var(--spacing-xl);
}

.laboratory-detail-page .laboratory-ia-table-wrap {
    margin: 0;
}

/* 覆寫斑馬底色：表頭維持所方深藍、右欄白底分隔線（與 IA 表格視覺一致） */
.laboratory-detail-page .laboratory-ia-info-table.faculty-info-table--zebra tbody tr:nth-child(odd),
.laboratory-detail-page .laboratory-ia-info-table.faculty-info-table--zebra tbody tr:nth-child(even) {
    background: transparent;
}

.laboratory-detail-page .laboratory-ia-info-table.faculty-info-table--zebra tbody tr {
    border-bottom: 1px solid var(--color-border);
}

.laboratory-detail-page .laboratory-ia-info-table.faculty-info-table--zebra tbody tr:last-child {
    border-bottom: none;
}

.laboratory-detail-page .laboratory-ia-info-table.faculty-info-table--zebra th {
    width: clamp(7.25rem, 20%, 10.5rem);
    max-width: 11rem;
    background-color: var(--color-primary);
    color: var(--color-text-on-dark);
    font-weight: 700;
}

.laboratory-detail-page .laboratory-ia-info-table.faculty-info-table--zebra td {
    background-color: #fff;
    color: var(--color-text-secondary);
}

.laboratory-detail-page .laboratory-ia-info-table.faculty-info-table--zebra th,
.laboratory-detail-page .laboratory-ia-info-table.faculty-info-table--zebra td {
    vertical-align: middle;
}

.form-hint {
    margin: 0.25rem 0 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.form-hint code {
    font-size: inherit;
    word-break: break-all;
}

.faculty-profile-table th {
    width: 130px;
    white-space: nowrap;
}

/* 師資詳細：姓名置頂，左圖右斑馬紋表格（參考所方版型） */
.faculty-detail-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.faculty-detail-heading {
    margin: 0;
    font-size: clamp(1.5rem, 2.5vw, 1.85rem);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.25;
}

.faculty-detail-heading-en {
    margin: var(--spacing-xs) 0 0;
    font-size: var(--font-size-md);
    color: var(--color-text-light);
    font-weight: 400;
}

.faculty-detail-body {
    display: grid;
    grid-template-columns: minmax(200px, 280px) minmax(0, 1fr);
    gap: var(--spacing-xl);
    align-items: start;
}

.faculty-detail-photo-box {
    background: #eceff4;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.faculty-detail-photo {
    width: 100%;
    max-width: 260px;
    height: auto;
    object-fit: cover;
    border-radius: var(--radius-sm);
    display: block;
    background: var(--color-bg);
}

.faculty-detail-info {
    min-width: 0;
}

.faculty-detail-table-wrap {
    margin: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faculty-info-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.faculty-info-table caption {
    padding: 0;
}

.faculty-info-table--zebra th,
.faculty-info-table--zebra td {
    padding: 0.65rem 1rem;
    text-align: left;
    vertical-align: top;
    border: none;
}

.faculty-info-table--zebra th {
    width: 8.5rem;
    max-width: 40%;
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
}

.faculty-info-table--zebra td {
    color: var(--color-text-secondary);
    word-break: break-word;
}

.faculty-info-table--zebra tbody tr:nth-child(odd) {
    background-color: #eef2f8;
}

.faculty-info-table--zebra tbody tr:nth-child(even) {
    background-color: #fff;
}

.faculty-detail-section {
    position: relative;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.faculty-detail-section h3 {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.faculty-anchor-target {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* 研究成果／開課資訊：外層＋內層頁籤（脚本產生） */
.faculty-outer-tabs__panel > .faculty-detail-section {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

/*
 * 雙層頁籤：同一張卡片——上列「主類別」，下列「細項」，中間無斷裂感。
 */
.research-tabs.faculty-outer-tabs {
    margin-top: var(--spacing-2xl);
    padding-top: 0;
    border: 1px solid rgba(0, 51, 102, 0.12);
    border-radius: 14px;
    background: #fff;
    box-shadow:
        0 4px 6px rgba(0, 51, 102, 0.04),
        0 12px 32px rgba(0, 51, 102, 0.08);
    overflow: hidden;
}

/* 第一列：主頁籤（研究成果／開課資訊） */
.research-tabs.faculty-outer-tabs > .research-tabs__list {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 0.35rem;
    margin: 0;
    padding: 0.55rem 0.65rem;
    border: none;
    border-radius: 0;
    background: linear-gradient(180deg, #e8eff8 0%, #dde7f4 100%);
    box-shadow: inset 0 -1px 0 rgba(0, 51, 102, 0.1);
}

.research-tabs.faculty-outer-tabs > .research-tabs__list .research-tabs__tab {
    flex: 1 1 auto;
    min-width: 7.5rem;
    justify-content: center;
    padding: 0.65rem 1.1rem;
    font-size: var(--font-size-md);
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #3d5268;
    border-radius: 10px;
}

.research-tabs.faculty-outer-tabs > .research-tabs__list .research-tabs__tab:hover {
    color: var(--color-primary);
    background: rgba(255, 255, 255, 0.45);
}

.research-tabs.faculty-outer-tabs > .research-tabs__list .research-tabs__tab[aria-selected="true"] {
    color: var(--color-primary);
    background: #fff;
    box-shadow:
        0 2px 8px rgba(0, 51, 102, 0.1),
        0 0 0 1px rgba(0, 51, 102, 0.06);
}

.research-tabs.faculty-outer-tabs > .research-tabs__list .research-tabs__tab[aria-selected="true"]:hover {
    background: #fff;
}

/* 卡片內容區（主面板下方）：與下列次頁籤同一視覺區塊 */
.research-tabs.faculty-outer-tabs > .research-tabs__panels {
    margin: 0;
    padding: 0;
    background: linear-gradient(180deg, #f2f6fb 0%, #fafcfe 56px);
}

.faculty-outer-tabs__panel > .faculty-detail-section {
    padding: 0;
}

/* 第二列：次頁籤——緊貼主列、左側色帶表示「隸屬於上方主類別」 */
.faculty-outer-tabs__panel .research-tabs {
    margin-top: 0;
}

.faculty-outer-tabs__panel .research-tabs__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.3rem;
    margin: 0;
    padding: 0.45rem 0.7rem 0.5rem 0.6rem;
    border: none;
    border-radius: 0;
    border-left: 4px solid var(--color-primary);
    background: linear-gradient(90deg, rgba(0, 51, 102, 0.06) 0%, rgba(255, 255, 255, 0.75) 12rem, rgba(255, 255, 255, 0.85) 100%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.95);
}

/* 次頁籤：選中／未選中皆相同字級與字重，僅以色彩與底區隔 */
.faculty-outer-tabs__panel .research-tabs__tab {
    padding: 0.42rem 0.95rem;
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1.4;
    color: #4a5d72;
    border-radius: 999px;
    background: transparent;
    -webkit-font-smoothing: antialiased;
}

.faculty-outer-tabs__panel .research-tabs__tab:hover {
    color: var(--color-primary);
    background: rgba(255, 255, 255, 0.75);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.faculty-outer-tabs__panel .research-tabs__tab[aria-selected="true"] {
    color: var(--color-primary);
    background: #fff;
    box-shadow: 0 1px 4px rgba(0, 51, 102, 0.1);
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1.4;
}

.faculty-outer-tabs__panel .research-tabs__tab[aria-selected="true"]:hover {
    background: #fff;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

/* 次頁籤下方內容：白底與上方灰階區對比 */
.faculty-outer-tabs__panel .research-tabs > .research-tabs__panels {
    background: #fff;
}

.faculty-outer-tabs__panel .research-tabs > .research-tabs__panels > .research-tabs__panel:not([hidden]) {
    padding: 1rem 1.15rem 1.35rem;
    border-top: 1px solid rgba(0, 51, 102, 0.07);
}

/* 僅開課資訊（無次頁籤） */
.faculty-outer-tabs__panel #faculty-courses-tabs-host {
    padding: 1rem 1.15rem 1.35rem;
    background: #fff;
    border-top: 1px solid rgba(0, 51, 102, 0.07);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-base);
    color: var(--color-text-secondary);
}

.faculty-outer-tabs__panel #faculty-courses-tabs-host .data-table {
    font-size: 1em;
}

/* 研究成果未拆成次頁籤時（後台 HTML 僅一段）；字級與頁籤面板內文一致 */
.faculty-detail-page #faculty-research-tabs-host:not(:has(.research-tabs)) {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-base);
}

.faculty-detail-page #faculty-research-tabs-host:not(:has(.research-tabs)) .data-table {
    font-size: 1em;
}

.faculty-outer-tabs__panel #faculty-research-tabs-host:not(:has(.research-tabs)) {
    padding: 1rem 1.15rem 1.35rem;
    background: #fff;
    border-top: 1px solid rgba(0, 51, 102, 0.07);
}

/* 結構化師資細節（列表／計畫表） */
.faculty-detail-empty-note {
    margin: 0.5rem 0 0;
    color: var(--color-text-muted, #67798e);
    font-size: var(--font-size-sm);
}
.faculty-structured-ul {
    margin: 0.35rem 0 1rem 1.1rem;
    padding: 0;
    font-size: var(--font-size-sm);
    line-height: 1.65;
}
.faculty-structured-li-pre {
    margin: 0.35rem 0;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: break-word;
    min-width: 0;
}
.faculty-projects-table {
    width: 100%;
    font-size: var(--font-size-sm);
}

/* 後台：師資資料維護 */
.faculty-manage-admin .faculty-manage-heading {
    font-size: 1.2rem;
    margin: 0 0 0.85rem;
    color: var(--color-primary-dark);
}
.faculty-manage-admin .faculty-manage-teacher-banner {
    margin: 0.35rem 0 1rem;
    padding: 0.65rem 1rem;
    border: 2px solid var(--color-secondary, #2b6cb0);
    border-radius: 10px;
    background: linear-gradient(90deg, #f8fbff 0%, #fff 100%);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-primary-dark, #003366);
}
.faculty-manage-admin .faculty-manage-teacher-name-en {
    font-weight: 600;
    color: #52667d;
}
.faculty-manage-admin .faculty-manage-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin: 0 0 1rem;
}
.faculty-manage-admin .faculty-manage-tab {
    border: 1px solid #c5cfde;
    background: #fff;
    padding: 0.45rem 0.95rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.94rem;
    color: #3b4f66;
}
.faculty-manage-admin .faculty-manage-tab.is-active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.faculty-manage-admin .faculty-manage-panel {
    margin-top: 0.75rem;
    padding: 1rem 1.1rem;
    background: #fff;
    border: 1px solid #dde3ec;
    border-radius: 10px;
    display: none;
}
.faculty-manage-admin .faculty-manage-panel.is-active {
    display: block;
}
/* 師資維護：開課列內 Quill 高度較矮以適合表格 */
.faculty-manage-admin .cg-quill-wrap .ql-editor {
    min-height: 140px;
}
.faculty-manage-admin .faculty-manage-edit-table .cg-quill-wrap {
    min-width: min(100%, 320px);
}
/* 照片欄約 +25% 寬，表單欄（藍區）相對收窄 */
.faculty-manage-admin .faculty-manage-basic-grid {
    display: grid;
    grid-template-columns: minmax(275px, min(34vw, 325px)) minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
}
@media (max-width: 768px) {
    .faculty-manage-admin .faculty-manage-basic-grid {
        grid-template-columns: 1fr;
    }
}
.faculty-manage-admin .faculty-manage-photo-preview img {
    max-width: 100%;
    border-radius: 8px;
    border: 1px solid #e2e8ef;
}
.faculty-manage-admin .faculty-manage-block {
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed #dfe6f0;
}
.faculty-manage-admin .faculty-manage-block-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.65rem;
}
.faculty-manage-admin .faculty-manage-block h3 {
    margin: 0;
    font-size: 1.05rem;
    color: var(--color-secondary, #2563eb);
}
.faculty-manage-admin .faculty-manage-row-actions.nowrap {
    white-space: nowrap;
}

/* 師資維護表格：項次欄 */
.faculty-manage-admin table.faculty-manage-edit-table th.faculty-manage-th-index,
.faculty-manage-admin table.faculty-manage-edit-table td.faculty-manage-td-index {
    width: 2.85rem;
    min-width: 2.5rem;
    max-width: 3.25rem;
    box-sizing: border-box;
    text-align: center;
    vertical-align: middle;
    font-weight: 600;
    font-size: 0.9rem;
    color: #4b5f78;
}

/* 「操作」欄略窄；按鈕改直向堆疊以免第三顆（刪除）被裁切 */
.faculty-manage-admin table.faculty-manage-edit-table th.faculty-manage-th-actions,
.faculty-manage-admin table.faculty-manage-edit-table td.faculty-manage-row-actions {
    width: 5.25rem;
    min-width: 4.75rem;
    max-width: 5.75rem;
    box-sizing: border-box;
    vertical-align: top;
}

.faculty-manage-admin table.faculty-manage-edit-table td.faculty-manage-row-actions .faculty-manage-action-btns {
    display: flex;
    flex-direction: column;
    gap: 0.28rem;
    align-items: stretch;
}

.faculty-manage-admin table.faculty-manage-edit-table td.faculty-manage-row-actions .btn-sm {
    padding-left: 0.3rem;
    padding-right: 0.3rem;
    font-size: 0.78rem;
}

/* 師資維護 · 各類計畫：學年度／經費／補助單位欄寬；名稱欄佔剩餘 */
.faculty-manage-admin table.faculty-manage-projects-table {
    table-layout: fixed;
}
.faculty-manage-admin table.faculty-manage-projects-table th.faculty-manage-th-year,
.faculty-manage-admin table.faculty-manage-projects-table td.faculty-manage-td-year {
    width: calc(4.25rem * 1.15 * 1.15 * 1.15);
    max-width: calc(4.25rem * 1.15 * 1.15 * 1.15);
    box-sizing: border-box;
}
.faculty-manage-admin table.faculty-manage-projects-table th.faculty-manage-th-fund,
.faculty-manage-admin table.faculty-manage-projects-table td.faculty-manage-td-fund {
    width: calc(6rem * 1.15 * 1.15);
    max-width: calc(6rem * 1.15 * 1.15);
    box-sizing: border-box;
}
.faculty-manage-admin table.faculty-manage-projects-table th.faculty-manage-th-sponsor,
.faculty-manage-admin table.faculty-manage-projects-table td.faculty-manage-td-sponsor {
    width: 7rem;
    max-width: 7rem;
    box-sizing: border-box;
    word-break: break-word;
}
.faculty-manage-admin .faculty-manage-hint {
    margin: -0.25rem 0 1rem;
    font-size: 0.92rem;
    color: #4b5f78;
}

/* 師資維護：研究成果子頁籤 */
.faculty-manage-admin .faculty-manage-research-subtabs {
    margin-top: 0.35rem;
}
.faculty-manage-admin .faculty-manage-subtablist {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin: 0 0 1rem;
    padding: 0.4rem 0.55rem;
    border-radius: 999px;
    border: 1px solid rgba(0, 51, 102, 0.1);
    background: linear-gradient(180deg, #eef2f9 0%, #e4eaf4 100%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}
.faculty-manage-admin .faculty-manage-subtab {
    margin: 0;
    border: none;
    background: transparent;
    padding: 0.42rem 0.85rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    color: #4d5d72;
    font-family: inherit;
    line-height: 1.35;
}
.faculty-manage-admin .faculty-manage-subtab:hover {
    color: var(--color-primary);
    background: rgba(255, 255, 255, 0.55);
}
.faculty-manage-admin .faculty-manage-subtab.is-active {
    color: var(--color-primary);
    background: #fff;
    box-shadow: 0 1px 5px rgba(0, 51, 102, 0.12);
}
.faculty-manage-admin .faculty-manage-subtab:focus-visible {
    outline: 3px solid var(--color-border-focus);
    outline-offset: 2px;
}
.faculty-manage-admin .faculty-manage-subpanel {
    display: none;
}
.faculty-manage-admin .faculty-manage-subpanel.is-active {
    display: block;
}
.faculty-manage-admin .faculty-manage-subpanel-toolbar {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 0.65rem;
}

/* ----- 僅有單層頁籤時（無外層卡片）：維持膠囊列 ----- */
.research-tabs:not(.faculty-outer-tabs) {
    margin-top: var(--spacing-md);
}

.research-tabs:not(.faculty-outer-tabs) > .research-tabs__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.3rem;
    margin: 0 0 var(--spacing-lg);
    padding: 0.35rem;
    border: 1px solid rgba(0, 51, 102, 0.08);
    border-radius: 999px;
    background: linear-gradient(180deg, #eef2f9 0%, #e4eaf4 100%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.research-tabs:not(.faculty-outer-tabs) > .research-tabs__list .research-tabs__tab {
    margin: 0;
    cursor: pointer;
    padding: 0.5rem 1.15rem;
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1.35;
    color: #4d5d72;
    background: transparent;
    border: none;
    border-radius: 999px;
    transition: color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.research-tabs:not(.faculty-outer-tabs) > .research-tabs__list .research-tabs__tab:hover {
    color: var(--color-primary);
    background: rgba(255, 255, 255, 0.55);
}

.research-tabs:not(.faculty-outer-tabs) > .research-tabs__list .research-tabs__tab:focus-visible {
    outline: 3px solid var(--color-border-focus);
    outline-offset: 2px;
    z-index: 2;
}

.research-tabs:not(.faculty-outer-tabs) > .research-tabs__list .research-tabs__tab[aria-selected="true"] {
    color: var(--color-primary);
    background: #fff;
    box-shadow: 0 2px 8px rgba(0, 51, 102, 0.1), 0 1px 2px rgba(0, 51, 102, 0.06);
}

.research-tabs:not(.faculty-outer-tabs) > .research-tabs__list .research-tabs__tab[aria-selected="true"]:hover {
    background: #fff;
}

.research-tabs__tab {
    margin: 0;
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: transparent;
}

.research-tabs__tab:focus-visible {
    outline: 3px solid var(--color-border-focus);
    outline-offset: 2px;
    z-index: 2;
}

/* 面板內文：期刊條列與計畫表同字級（比本站正文略小一號） */
.research-tabs__panel {
    min-height: 1rem;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-base);
    color: var(--color-text-secondary);
}

.research-tabs__panel[hidden] {
    display: none !important;
}

.research-tabs__panel .data-table {
    font-size: 1em;
}

@media (max-width: 576px) {
    .research-tabs:not(.faculty-outer-tabs) > .research-tabs__list {
        flex-direction: column;
        align-items: stretch;
        border-radius: 12px;
        gap: 0.35rem;
    }

    .research-tabs:not(.faculty-outer-tabs) > .research-tabs__list .research-tabs__tab {
        width: 100%;
        text-align: center;
        border-radius: 10px;
        padding: 0.65rem 1rem;
    }

    .research-tabs.faculty-outer-tabs > .research-tabs__list .research-tabs__tab {
        min-width: 0;
    }

    .faculty-outer-tabs__panel .research-tabs__list {
        flex-direction: column;
        align-items: stretch;
        border-left-width: 3px;
    }

    .faculty-outer-tabs__panel .research-tabs__tab {
        width: 100%;
        text-align: center;
    }
}

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

    .faculty-detail-photo-box {
        max-width: 280px;
        margin: 0 auto;
    }
}

/* 師資詳細頁開課表：與研究成果內文字級一致（略小於正文） */
.faculty-detail-page .faculty-courses-tabs-host {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-base);
}

.faculty-detail-page .faculty-courses-tabs-host .data-table {
    font-size: 1em;
}

.faculty-rich-content {
    color: var(--color-text-secondary);
    line-height: var(--line-height-base);
}

.faculty-rich-content h4 {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.faculty-rich-content ul {
    padding-left: 1.25rem;
    list-style-type: disc;
    list-style-position: outside;
}

.faculty-rich-content ol {
    padding-left: 1.25rem;
    list-style-type: decimal;
    list-style-position: outside;
}

.faculty-rich-content li {
    margin-bottom: var(--spacing-sm);
}

/* Quill 在 li 內包 <p>，Bootstrap Reboot 會加上較大的段落外边距；收斂以使前台條列與後台預覽較接近 */
.faculty-rich-content li > p {
    margin-top: 0;
    margin-bottom: 0.4em;
    line-height: var(--line-height-base);
}

.faculty-rich-content li > p:last-child {
    margin-bottom: 0;
}

.faculty-rich-content .data-table {
    margin-top: var(--spacing-md);
}

/* 開課區：與後台 Quill「項目符號」一致；避免其他樣式蓋掉圓點 */
.faculty-detail-page #faculty-courses-tabs-host ul {
    list-style-type: disc;
    list-style-position: outside;
    padding-left: 1.35rem;
}

.faculty-detail-page #faculty-courses-tabs-host ul ul {
    list-style-type: circle;
}

/* 開課區：Quill／HTML 表格（quill-table-better 與純 table 標記） */
.faculty-detail-page #faculty-courses-tabs-host table {
    width: 100%;
    max-width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
    font-size: inherit;
    line-height: var(--line-height-base);
}

.faculty-detail-page #faculty-courses-tabs-host th,
.faculty-detail-page #faculty-courses-tabs-host td {
    border: 1px solid var(--color-border);
    padding: 0.4rem 0.55rem;
    vertical-align: top;
    text-align: left;
}

.faculty-detail-page #faculty-courses-tabs-host th {
    background: rgba(0, 51, 102, 0.06);
    font-weight: 600;
    color: var(--color-text);
}

/* --------------------------------------------------------------------------
   麵包屑導覽
   -------------------------------------------------------------------------- */
.breadcrumb-nav {
    background-color: var(--color-bg-light);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-sm) 0;
}

.breadcrumb {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
    gap: 0;
    font-size: var(--font-size-sm);
}

.breadcrumb li + li::before {
    content: "›";
    padding: 0 var(--spacing-sm);
    color: var(--color-text-light);
}

.breadcrumb a {
    color: var(--color-primary);
}

.breadcrumb [aria-current="page"] {
    color: var(--color-text-secondary);
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   英雄輪播
   -------------------------------------------------------------------------- */
.hero-section {
    position: relative;
    overflow: hidden;
}

/* Bootstrap 5 Carousel：淡入淡出 + 自訂絕對堆疊（覆寫 float / display） */
.hero-carousel.carousel {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.hero-carousel.carousel .carousel-inner {
    position: relative;
    height: 100%;
    list-style: none;
    margin: 0;
    padding: 0;
}

.hero-carousel.carousel.carousel-fade .carousel-item {
    position: absolute;
    inset: 0;
    float: none !important;
    width: 100% !important;
    margin-right: 0 !important;
    display: block !important;
    opacity: 0;
    transition: opacity 0.65s ease;
    z-index: 0;
}

.hero-carousel.carousel.carousel-fade .carousel-item.active {
    opacity: 1;
    z-index: 1;
}

.carousel-item {
    position: absolute;
    inset: 0;
}

.carousel-bg {
    position: absolute;
    inset: 0;
    background-color: var(--color-primary-dark);
    overflow: hidden;
}

.carousel-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: linear-gradient(
        90deg,
        rgba(0, 34, 68, 0.52) 0%,
        rgba(0, 34, 68, 0.44) 30%,
        rgba(0, 34, 68, 0.18) 56%,
        rgba(0, 34, 68, 0.04) 100%
    );
}

/* 圖片層：Ken Burns 在 .hero-slide-img，滿版 cover、不拉伸 */
.hero-motion-layer {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-motion-layer--video {
    overflow: hidden;
}

.carousel-bg-img,
.carousel-bg-video,
.hero-slide-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.hero-slide-img {
    transform-origin: 50% 45%;
    backface-visibility: hidden;
}

/* 僅在「目前張」為圖片時啟動微動畫；離開 active 時重置（避免殘留 transform） */
.hero-slide--image:not(.active) .hero-slide-img {
    animation: none !important;
    transform: none !important;
}

.hero-slide--image.active .hero-motion-layer .hero-slide-img {
    animation: hero-kenburns-a 22s ease-in-out infinite alternate;
    will-change: transform;
}

.hero-slide--image.active:nth-child(odd) .hero-motion-layer .hero-slide-img {
    animation-name: hero-kenburns-b;
}

@keyframes hero-kenburns-a {
    0% { transform: scale(1) translate3d(0, 0, 0); }
    100% { transform: scale(1.042) translate3d(-0.9%, 0.45%, 0); }
}

@keyframes hero-kenburns-b {
    0% { transform: scale(1) translate3d(0, 0, 0); }
    100% { transform: scale(1.038) translate3d(0.65%, -0.35%, 0); }
}

/* 切換時強制重設上一張（與 JS .hero-slide-img--reset 搭配） */
.hero-slide-img.hero-slide-img--reset {
    animation: none !important;
    transition: transform 0.35s ease;
}

/* 極淡光影流動（soft-light，不搶主體） */
.hero-light-sweep {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
    opacity: 0.07;
    mix-blend-mode: soft-light;
    background: linear-gradient(
        118deg,
        transparent 38%,
        rgba(255, 255, 255, 0.22) 50%,
        transparent 62%
    );
    background-size: 220% 220%;
    animation: hero-light-sweep-move 16s ease-in-out infinite;
}

@keyframes hero-light-sweep-move {
    0% { background-position: 12% 40%; }
    50% { background-position: 88% 58%; }
    100% { background-position: 12% 40%; }
}

/* 極淡資料感微光（無文字、非科幻） */
.hero-data-glow {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
    opacity: 0.11;
    background:
        radial-gradient(ellipse 70% 55% at 22% 32%, rgba(200, 215, 255, 0.2), transparent 58%),
        radial-gradient(ellipse 55% 45% at 78% 68%, rgba(255, 255, 255, 0.1), transparent 55%),
        linear-gradient(180deg, transparent 55%, rgba(0, 40, 90, 0.04) 100%);
    animation: hero-data-glow-shift 20s ease-in-out infinite alternate;
}

@keyframes hero-data-glow-shift {
    0% { opacity: 0.09; transform: scale(1); }
    100% { opacity: 0.13; transform: scale(1.015); }
}

.hero-slide--video .hero-light-sweep,
.hero-slide--video .hero-data-glow {
    display: none;
}

.carousel-bg-video {
    pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
    .hero-slide--image .hero-slide-img,
    .hero-light-sweep,
    .hero-data-glow {
        animation: none !important;
    }

    .hero-light-sweep,
    .hero-data-glow {
        opacity: 0 !important;
        display: none;
    }

    .hero-slide--image:not(.active) .hero-slide-img,
    .hero-slide--image.active .hero-slide-img {
        transform: none !important;
    }
}

/* WCAG 1.4.3: 輪播左側深色面板
   - 從最左側延伸至約 40% 寬度，全高
   - background-color 確保工具能計算對比（rgba(0,20,51,0.82) 對白字 ≥ 7:1）
   - ::after 提供右側漸層淡出，視覺銜接背景圖 */
.carousel-content {
    position: absolute;
    inset: 0;
    z-index: 3;
    display: flex;
    align-items: stretch;
    color: var(--color-text-on-dark);
}

.carousel-content .container {
    position: relative;
    z-index: 1;
    width: clamp(300px, 36%, 540px);
    margin-left: clamp(3rem, 8vw, 8rem);
    margin-right: 0;
    padding: 2.5rem 2.5rem 2.5rem 2.5rem;
    background-color: rgba(0, 20, 51, 0.82);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* 右側漸層淡出，讓面板與背景圖自然銜接 */
.carousel-content .container::after {
    content: "";
    position: absolute;
    right: -52px;
    top: 0;
    bottom: 0;
    width: 52px;
    background: linear-gradient(to right, rgba(0, 20, 51, 0.82) 0%, transparent 100%);
    pointer-events: none;
}

/* 英文副標題（小字，在主題上方） */
.carousel-subtitle {
    font-size: 0.85rem;
    font-weight: 600;
    opacity: 0.80;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 0.6rem;
}

/* 主標題：大、粗、主題明確 */
.carousel-title {
    font-size: clamp(2.4rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 0.75rem;
    letter-spacing: -0.5px;
}

/* 說明文字 */
.carousel-desc {
    font-size: 1.05rem;
    opacity: 0.88;
    margin-bottom: 1.75rem;
    line-height: 1.6;
    max-width: 420px;
}

/* 英文首頁輪播：說明字級再大 1 階（對應 --font-size-lg） */
body.lang-en.page-home .hero-carousel .carousel-desc {
    font-size: var(--font-size-lg);
}

/* 依前台／後台字型色切換 shadow：淺色字加深邊陰影，深色字加淺邊光暈 */
.hero-carousel .carousel-text-layer.carousel-hero-text--light-fg .carousel-subtitle,
.hero-carousel .carousel-text-layer.carousel-hero-text--light-fg .carousel-title,
.hero-carousel .carousel-text-layer.carousel-hero-text--light-fg .carousel-desc {
    text-shadow:
        0 1px 2px rgba(0, 0, 0, 0.95),
        0 3px 18px rgba(0, 0, 0, 0.72);
}

.hero-carousel .carousel-text-layer.carousel-hero-text--dark-fg .carousel-subtitle,
.hero-carousel .carousel-text-layer.carousel-hero-text--dark-fg .carousel-title,
.hero-carousel .carousel-text-layer.carousel-hero-text--dark-fg .carousel-desc {
    text-shadow:
        0 0 1px rgba(255, 255, 255, 0.75),
        0 1px 2px rgba(255, 255, 255, 0.45),
        0 2px 10px rgba(0, 0, 0, 0.12);
}

/* 中文首頁輪播：主標為半縮尺後再 ×1.25；說明為原放大後再 ×1.15（副標已移除，見 Home/Index） */
.hero-carousel--zh .carousel-text-layer {
    min-width: 0;
    max-width: 100%;
}
.hero-carousel--zh .carousel-title {
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
    line-height: 1.25;
    max-width: 100%;
    /* 基準 clamp(1.2rem, 2.5vw, 2rem) 再加大 25% */
    font-size: clamp(1.5rem, 3.125vw, 2.5rem);
}
.hero-carousel--zh .carousel-desc {
    /* 在既有說明字級上再加大 15% */
    font-size: calc(1.575rem * 1.15);
    line-height: 1.55;
}

/* 輪播控制按鈕 */
.carousel-controls {
    position: absolute;
    bottom: var(--spacing-lg);
    right: var(--spacing-xl);
    z-index: 10;
    display: flex;
    gap: var(--spacing-sm);
}

.carousel-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    border: 2px solid rgba(255,255,255,0.7);
    background-color: rgba(0,0,0,0.55);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.carousel-btn:hover {
    background-color: rgba(0,0,0,0.7);
    border-color: white;
}

.carousel-btn:focus-visible {
    outline: 3px solid #ffffff;
    outline-offset: 2px;
    box-shadow: 0 0 0 7px rgba(0, 51, 102, 0.9);
}

/* 輪播指示器 */
.carousel-dots {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: var(--spacing-sm);
}

.carousel-dot {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    border: 2px solid rgba(255,255,255,0.7);
    background-color: transparent;
    cursor: pointer;
    padding: 5px;
    transition: var(--transition-fast);
    min-width: 44px;
    min-height: 44px;
    background-clip: content-box;
}

.carousel-dot-active,
.carousel-dot:hover {
    background-color: white;
    border-color: white;
}

.carousel-dot:focus-visible {
    outline: 3px solid #ffffff;
    outline-offset: 2px;
    box-shadow: 0 0 0 7px rgba(0, 51, 102, 0.9);
}

/* --------------------------------------------------------------------------
   研究領域卡片
   -------------------------------------------------------------------------- */
.research-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    list-style: none;
    margin-top: var(--spacing-2xl);
}

.research-card .card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    height: 100%;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
    display: flex;
    flex-direction: column;
}

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

.card-icon-wrap {
    margin-bottom: var(--spacing-lg);
}

.card-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-manufacturing { background-color: #1565c0; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M22 17H2a1 1 0 0 0 0 2h20a1 1 0 0 0 0-2zm-1-6l-3.08-4.18A3 3 0 0 0 15.5 5H5a3 3 0 0 0-3 3v7h20V11h-1zM8 14H4v-6h4v6zm5 0h-4V9h4v5zm5 0h-4V8h4v6z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: center; }
.icon-semiconductor { background-color: #1b5e20; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M6 6h12v12H6V6zm1 1v10h10V7H7zm2 2h6v6H9V9zm1 1v4h4v-4h-4z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: center; }
.icon-sustainable { background-color: #2e7d32; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M17 8C8 10 5.9 16.17 3.82 21.34L5.71 22l1-2.3A4.49 4.49 0 0 0 8 20c6 0 14-7 14-14-2.09 2.72-5.25 5.55-9 7.22-1.67-3.42-4.46-5.22-5-6z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: center; }
.icon-ai { background-color: #6a1b9a; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-7 14l-5-5 1.41-1.41L12 14.17l7.59-7.59L21 8l-9 9z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: center; }

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.card-title small {
    font-size: var(--font-size-sm);
    font-weight: 400;
    color: var(--color-text-light);
}

.card-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-loose);
    flex: 1;
    margin-bottom: var(--spacing-lg);
}

.card-link {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    font-size: var(--font-size-sm);
}

.card-link:hover {
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   區塊標頭
   -------------------------------------------------------------------------- */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--color-secondary);
}

.section-title-left { margin-bottom: var(--spacing-xl); }

.section-subtitle {
    color: var(--color-text-secondary);
    font-size: var(--font-size-md);
}

.section-more-link {
    font-size: var(--font-size-sm);
    font-weight: 600;
    white-space: nowrap;
}

/* --------------------------------------------------------------------------
   最新消息（首頁）
   -------------------------------------------------------------------------- */
.news-tabs {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 0;
}

.news-tab {
    background: none;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    color: var(--color-text-secondary);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition-fast);
    min-height: 44px;
    font-weight: 500;
}

.news-tab:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-bg);
}

.news-tab-active,
.news-tab[aria-selected="true"] {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 700;
}

.news-list {
    list-style: none;
}

.news-list-item {
    border-bottom: 1px solid var(--color-border);
}

.news-list-item article {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    flex-wrap: wrap;
}

.news-meta {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    flex-shrink: 0;
    min-width: 80px;
}

.news-category {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-primary);
    background-color: var(--color-primary-bg);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.news-badge {
    font-size: 0.75rem;
    line-height: 1.2;
    font-weight: 700;
    padding: 3px 7px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.news-badge-new {
    background-color: var(--color-error);
    color: white;
}

.news-badge-pinned {
    background-color: var(--color-secondary);
    color: var(--color-text);
}

.news-title {
    font-size: var(--font-size-base);
    font-weight: 400;
    flex: 1;
    min-width: 200px;
}

.news-title a {
    color: var(--color-text);
    text-decoration: none;
    line-height: var(--line-height-tight);
}

.news-title a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.news-date {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    white-space: nowrap;
    flex-shrink: 0;
}

.news-empty {
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--color-text-light);
}

/* hidden 屬性的 panel 不佔空間（優先度高於其他樣式） */
[hidden] { display: none !important; }

.news-panel { min-height: 80px; }

.news-readmore {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* --------------------------------------------------------------------------
   關於本所簡介（首頁）
   -------------------------------------------------------------------------- */
.about-brief-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-brief-content,
.about-brief-image {
    min-width: 0;
}

.about-brief-content p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-loose);
    margin-bottom: var(--spacing-lg);
}

.about-stats {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--color-bg-light);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

.about-brief-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.about-brief-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    max-height: 400px;
    background-color: var(--color-bg-light);
}

/* --------------------------------------------------------------------------
   按鈕樣式
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    font-family: var(--font-family);
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
    min-height: 44px;
    line-height: 1.3;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text-on-dark);
    border-color: var(--color-primary);
}

.btn-primary:visited {
    color: var(--color-text-on-dark);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-text-on-dark);
    text-decoration: none;
}

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

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-text-on-dark);
    text-decoration: none;
}

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

.btn-light:hover {
    background-color: var(--color-secondary);
    color: var(--color-text);
    border-color: var(--color-secondary);
    text-decoration: none;
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-text-secondary);
    border-color: var(--color-border);
}

.btn-ghost:hover {
    background-color: var(--color-bg-light);
    text-decoration: none;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: var(--font-size-md);
    min-height: 52px;
}

/* --------------------------------------------------------------------------
   頁面英雄區
   -------------------------------------------------------------------------- */
.page-hero {
    padding: var(--page-hero-padding-y) 0;
    background: var(--color-page-hero-bg);
    color: var(--color-page-hero-text);
}

.bg-primary-gradient {
    background: var(--color-page-hero-bg);
}

.bg-secondary-gradient {
    background: var(--color-page-hero-bg);
}

.bg-research-gradient {
    background: var(--color-page-hero-bg);
}

.bg-news-gradient {
    background: var(--color-page-hero-bg);
}

.bg-contact-gradient {
    background: var(--color-page-hero-bg);
}

.bg-course-gradient {
    background: var(--color-page-hero-bg);
}

/* 課程及修業規定 — 與官網對齊之子分頁連結與 StudyRule iframe */
.course-subtabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--color-primary);
}

.course-subtabs a {
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.course-subtabs a:hover {
    text-decoration: underline;
}

.course-subtabs-sep {
    color: var(--color-text-secondary);
    user-select: none;
}

.studyrule-embed-wrap {
    margin-top: var(--spacing-sm);
    /* 1.4.10 重排：防止 iframe 內容超出主頁可視區域造成二維捲軸 */
    max-width: 100%;
    overflow-x: auto;
}

.studyrule-embed {
    display: block;
    width: 100%;
    min-width: 320px; /* 確保 320px 等效寬度下不強縮 */
    min-height: 70vh;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: #fff;
}

.studyrule-embed-fallback {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* 課程頁 CMS 表格：長英文避免撐爆版面；表頭與列標題分開，可讀性較佳 */
.course-page .content-main {
    min-width: 0;
}

/* CMS 內文圖：後台 Quill 存檔後常遺失 img-fluid，英文版尤易以原圖像素撐滿畫面 */
.course-page .content-main article img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

.course-page .table-responsive {
    max-width: 100%;
}

.course-page .table-responsive .data-table,
.course-page .content-main table.ql-table-better,
.course-page .content-main table.ia-table {
    width: 100%;
    max-width: 100%;
    table-layout: fixed;
}

.course-page .table-responsive .data-table th,
.course-page .table-responsive .data-table td,
.course-page .content-main table.ql-table-better th,
.course-page .content-main table.ql-table-better td,
.course-page .content-main table.ia-table th,
.course-page .content-main table.ia-table td {
    overflow-wrap: anywhere;
    word-break: break-word;
    vertical-align: top;
}

.course-page .table-responsive .data-table thead th {
    background-color: var(--color-primary);
    color: #fff;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
}

.course-page .content-main .table-th-block {
    color: #ffffff !important;
}

.course-page .table-responsive .data-table tbody th[scope='row'] {
    background-color: var(--color-primary-bg);
    color: var(--color-primary-dark);
    border-right: 1px solid var(--color-border);
}

.page-hero-title {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-3xl));
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.page-hero-subtitle {
    font-size: var(--font-size-md);
    opacity: 0.85;
}

/* 最新消息列表頁：列表上方（news-count 與清單之間）分頁與每頁筆數 */
.news-list-toolbar {
    margin: var(--spacing-md) 0 var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-light);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md) var(--spacing-lg);
}

.news-list-page-size {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-xs) var(--spacing-sm);
    margin: 0;
}

.news-list-page-size-label,
.news-list-page-size-suffix {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.news-list-page-size-select {
    min-width: 4.5rem;
    padding: 0.35rem 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: #fff;
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.news-list-page-size-btn {
    padding: 0.35rem 0.85rem;
    font-size: var(--font-size-sm);
}

.news-list-pagination {
    width: auto;
    flex: 0 0 auto;
    margin-top: 0;
}

.news-list-pagination-list {
    justify-content: flex-end;
    margin: 0;
}

.news-list-pagination-link {
    min-width: 40px;
    min-height: 40px;
}

@media (max-width: 576px) {
    .news-list-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .news-list-pagination {
        width: 100%;
    }

    .news-list-pagination-list {
        justify-content: center;
        width: 100%;
    }
}

/* --------------------------------------------------------------------------
   內容版面（側邊欄 + 主內容）
   -------------------------------------------------------------------------- */
.content-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.content-sidebar {
    position: sticky;
    top: 80px;
}

.sidebar-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-text);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-primary);
    color: var(--color-text-on-dark);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    margin-bottom: 0;
}

.sidebar-nav {
    list-style: none;
    border: 1px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.sidebar-nav li:not(:last-child) {
    border-bottom: 1px solid var(--color-border);
}

.sidebar-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    min-height: 44px;
    display: flex;
    align-items: center;
}

.sidebar-link:hover {
    background-color: var(--color-primary-bg);
    color: var(--color-primary);
    text-decoration: none;
}

.sidebar-link-active {
    background-color: var(--color-primary-bg);
    color: var(--color-primary);
    font-weight: 700;
    border-left: 4px solid var(--color-primary);
    padding-left: calc(var(--spacing-md) - 4px);
}

/* --------------------------------------------------------------------------
   內容主體
   -------------------------------------------------------------------------- */
.content-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    padding-bottom: var(--spacing-md);
    border-bottom: 3px solid var(--color-primary);
    margin-bottom: var(--spacing-xl);
}

.content-main h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.content-main h4 {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--color-text);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.content-main p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-loose);
    margin-bottom: var(--spacing-md);
}

.content-main ul,
.content-main ol {
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.content-main li {
    line-height: var(--line-height-loose);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding-left: var(--spacing-xl);
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

/* --------------------------------------------------------------------------
   時間線
   -------------------------------------------------------------------------- */
.timeline {
    list-style: none;
    padding: 0;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 80px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-border);
}

.timeline-item {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.timeline-year {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-primary);
    width: 70px;
    flex-shrink: 0;
    padding-top: var(--spacing-xs);
    text-align: right;
}

.timeline-content {
    padding-left: var(--spacing-xl);
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 8px;
    width: 16px;
    height: 16px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
    border: 3px solid white;
    box-shadow: 0 0 0 2px var(--color-primary);
}

.timeline-title {
    font-size: var(--font-size-md);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

/* --------------------------------------------------------------------------
   資訊卡片
   -------------------------------------------------------------------------- */
.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.info-card {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    border-top: 4px solid var(--color-primary);
}

.info-card h3,
.info-card h4 {
    font-size: var(--font-size-md);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    margin-top: 0;
}

.info-card p {
    margin-bottom: 0;
    font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   引言
   -------------------------------------------------------------------------- */
.mission-statement,
.outlook-quote,
.about-pull-quote {
    background-color: var(--color-primary-bg);
    border-left: 5px solid var(--color-primary);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: var(--spacing-xl) 0;
    font-style: italic;
    color: var(--color-text-secondary);
    font-size: var(--font-size-md);
    line-height: var(--line-height-loose);
}

.about-pull-quote p {
    margin-bottom: 0;
}

/* 關於本所：單頁錨點區塊（配合固定導覽列捲動） */
.about-anchor-section {
    scroll-margin-top: 6.5rem;
}

.about-anchor-section:focus-visible {
    outline: 3px solid var(--color-border-focus);
    outline-offset: 4px;
}

.about-anchor-section + .about-anchor-section {
    margin-top: var(--spacing-3xl);
}

.about-career-chart-list {
    list-style: disc;
    padding-left: var(--spacing-xl);
    margin: var(--spacing-lg) 0 var(--spacing-xl);
    color: var(--color-text-secondary);
    line-height: var(--line-height-loose);
}

/* --------------------------------------------------------------------------
   師資卡片（上區：左圖右姓名職稱；下區：聯絡、研究領域、CTA）
   -------------------------------------------------------------------------- */
.faculty-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: clamp(1.25rem, 3vw, 1.75rem);
    margin-top: var(--spacing-xl);
}

.faculty-card {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    background: var(--color-bg);
    border: 1px solid rgba(0, 51, 102, 0.08);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 51, 102, 0.05), 0 8px 24px rgba(0, 51, 102, 0.04);
    transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.18s ease;
}

.faculty-card:hover {
    box-shadow: 0 10px 28px rgba(0, 51, 102, 0.1);
    border-color: rgba(0, 51, 102, 0.16);
    transform: translateY(-2px);
}

.faculty-card-head {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    gap: clamp(0.75rem, 2vw, 1rem);
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-md) var(--spacing-md);
    background: linear-gradient(160deg, #dfe6f2 0%, #eef2f9 45%, #f7f9fc 100%);
    border-bottom: 1px solid rgba(0, 51, 102, 0.06);
}

.faculty-card-head-text {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.25rem;
}

.faculty-card-head-text .faculty-name {
    overflow-wrap: anywhere;
}

.faculty-title--head {
    padding-bottom: 0;
    align-self: flex-start;
    max-width: 100%;
}

.faculty-photo-wrap {
    flex-shrink: 0;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 0;
    margin: 0;
    background: none;
    border-bottom: none;
    min-height: 0;
    align-self: center;
}

.faculty-photo {
    width: 132px;
    height: 165px;
    object-fit: cover;
    border-radius: 12px;
    background-color: rgba(255, 255, 255, 0.65);
    box-shadow:
        0 6px 18px rgba(0, 51, 102, 0.12),
        0 0 0 1px rgba(255, 255, 255, 0.9);
}

.faculty-info {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-md);
    min-height: 0;
}

.faculty-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    margin: 0;
    letter-spacing: 0.01em;
    line-height: var(--line-height-tight);
}

.faculty-name small {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-light);
    letter-spacing: 0;
}

.faculty-title {
    font-size: var(--font-size-base);
    color: #2c4a6e;
    font-weight: 600;
    margin: 0;
    padding-bottom: 0.25rem;
    border-bottom: 1px dashed rgba(0, 51, 102, 0.14);
}

.faculty-office,
.faculty-email {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.45;
    word-break: break-word;
}

.faculty-office {
    margin-top: 0.15rem;
}

.faculty-email a {
    color: var(--color-primary-light);
    text-decoration: none;
}

.faculty-email a:hover {
    text-decoration: underline;
}

.faculty-research {
    margin-top: 0.45rem;
}

.faculty-research-title {
    font-size: var(--font-size-xs, 0.75rem);
    font-weight: 700;
    color: var(--color-text-secondary);
    letter-spacing: 0.04em;
    margin: 0 0 0.4rem;
}

.faculty-tags {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    align-items: flex-start;
}

.faculty-tag {
    display: inline-flex;
    align-items: center;
    min-height: 1.65rem;
    font-size: var(--font-size-xs, 0.75rem);
    font-weight: 600;
    line-height: 1.2;
    background: rgba(0, 51, 102, 0.06);
    color: var(--color-primary);
    padding: 0.28rem 0.55rem;
    border-radius: 6px;
    border: none;
}

.faculty-card-footer {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-md);
    border-top: 1px solid rgba(0, 51, 102, 0.07);
    background: linear-gradient(180deg, rgba(0, 51, 102, 0.02), rgba(0, 51, 102, 0.04));
}

.faculty-card-lab {
    flex: 1 1 auto;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    min-width: min(100%, 8rem);
    text-align: right;
}

.faculty-lab-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    padding: 0.5rem 0.95rem;
    border-radius: 999px;
    border: 1px solid rgba(0, 51, 102, 0.32);
    background: rgba(0, 51, 102, 0.05);
    max-width: 100%;
    box-sizing: border-box;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.faculty-lab-link:hover {
    background: var(--color-primary);
    color: var(--color-text-on-dark);
    border-color: var(--color-primary);
    text-decoration: none;
}

.faculty-lab-link:focus-visible {
    outline: 3px solid var(--color-border-focus);
    outline-offset: 2px;
}

.faculty-lab-link__icon {
    font-size: 1em;
    flex-shrink: 0;
    transition: transform 0.15s ease;
}

.faculty-lab-link:hover .faculty-lab-link__icon {
    transform: translateX(3px);
}

.faculty-lab-plain {
    display: inline-block;
    padding: 0.5rem 0.95rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    max-width: 100%;
}

.faculty-profile-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    padding: 0.5rem 0.95rem;
    border-radius: 999px;
    border: 1px solid rgba(0, 51, 102, 0.25);
    background: var(--color-bg);
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.faculty-profile-link:hover {
    background: var(--color-primary);
    color: var(--color-text-on-dark);
    border-color: var(--color-primary);
    text-decoration: none;
}

.faculty-profile-link:focus-visible {
    outline: 3px solid var(--color-border-focus);
    outline-offset: 2px;
}

.faculty-profile-link__icon {
    font-size: 1em;
    transition: transform 0.15s ease;
}

.faculty-profile-link:hover .faculty-profile-link__icon {
    transform: translateX(3px);
}

@media (prefers-reduced-motion: reduce) {
    .faculty-card:hover {
        transform: none;
    }

    .faculty-profile-link:hover .faculty-profile-link__icon {
        transform: none;
    }

    .faculty-lab-link:hover .faculty-lab-link__icon {
        transform: none;
    }
}

/* --------------------------------------------------------------------------
   資料表格
   -------------------------------------------------------------------------- */
.table-responsive {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    margin: var(--spacing-lg) 0;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.data-table caption {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-primary-bg);
    font-weight: 700;
    text-align: left;
    border-bottom: 2px solid var(--color-primary);
    color: var(--color-primary);
    caption-side: top;
}

.data-table th {
    background-color: var(--color-primary);
    color: var(--color-text-on-dark);
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-weight: 700;
}

.data-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background-color: var(--color-primary-bg);
}

.data-table tbody tr:nth-child(even) {
    background-color: var(--color-bg-light);
}

/* --------------------------------------------------------------------------
   消息列表（消息頁面）
   -------------------------------------------------------------------------- */
.news-filters {
    margin-bottom: var(--spacing-xl);
}

.search-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    max-width: 500px;
}

.search-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}

.search-input-wrap {
    display: flex;
    gap: 0;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.search-input-wrap:focus-within {
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 3px rgba(0,51,102,0.15);
}

.search-input {
    flex: 1;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    background: transparent;
    outline: none;
}

.search-btn {
    background-color: var(--color-primary);
    color: white;
    border: none;
    padding: 0 var(--spacing-md);
    cursor: pointer;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-btn:hover {
    background-color: var(--color-primary-dark);
}

.news-category-nav {
    margin-bottom: var(--spacing-md);
}

.news-category-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.news-category-btn {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-weight: 500;
    min-height: 36px;
    display: flex;
    align-items: center;
}

.news-category-btn:hover {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    text-decoration: none;
}

.news-category-active {
    background-color: var(--color-primary);
    color: white !important;
    border-color: var(--color-primary);
    font-weight: 700;
}

.news-year-filter {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.news-year-filter .year-filter-hint {
    flex: 1 1 12rem;
    min-width: 0;
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-base);
}

@media (max-width: 576px) {
    .news-year-filter .year-filter-hint {
        flex: 1 1 100%;
    }
}

.news-year-submit {
    font-size: var(--font-size-sm);
    padding: 0.4rem 1rem;
    min-height: 40px;
}

.year-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}

.year-select {
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    background-color: white;
    color: var(--color-text);
    cursor: pointer;
    min-height: 40px;
}

.year-select:focus {
    border-color: var(--color-border-focus);
    outline: 3px solid rgba(0,51,102,0.15);
    outline-offset: 1px;
}

.news-count {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.news-list-full {
    list-style: none;
}

.news-list-item-full {
    border-bottom: 1px solid var(--color-border);
}

.news-list-item-full article {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    flex-wrap: wrap;
}

.news-item-left {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    flex: 1;
    min-width: 250px;
}

.news-number {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    min-width: 24px;
    padding-top: 2px;
}

.news-item-meta {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    flex-shrink: 0;
}

.news-category-badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    color: white;
}

/* 分類色由資料庫 NewsCategories.CssClass 驅動（例如 category-admission） */
.news-category-badge.category-admission,
.news-category.category-admission {
    background-color: var(--color-category-admission);
    color: white;
}

.news-category-badge.category-affairs,
.news-category.category-affairs {
    background-color: var(--color-category-affairs);
    color: white;
}

.news-category-badge.category-honor,
.news-category.category-honor {
    background-color: var(--color-category-honor);
    color: white;
}

.news-category-badge.category-industry,
.news-category.category-industry {
    background-color: var(--color-category-industry);
    color: white;
}

.news-category-badge.category-other,
.news-category.category-other {
    background-color: var(--color-category-other);
    color: white;
}

.news-category-badge.category-activities,
.news-category.category-activities {
    background-color: var(--color-category-activities);
    color: white;
}

.news-item-title {
    font-size: var(--font-size-base);
    font-weight: 400;
    flex: 1;
}

.news-item-title a {
    color: var(--color-text);
    text-decoration: none;
    line-height: var(--line-height-tight);
}

.news-item-title a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.news-item-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    white-space: nowrap;
    flex-shrink: 0;
    padding-top: 2px;
}

/* --------------------------------------------------------------------------
   分頁
   -------------------------------------------------------------------------- */
.pagination {
    margin-top: var(--spacing-2xl);
    display: flex;
    justify-content: center;
}

.pagination-list {
    list-style: none;
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    justify-content: center;
}

.pagination-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.pagination-link:hover {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    text-decoration: none;
}

.pagination-current {
    background-color: var(--color-primary);
    color: white !important;
    border-color: var(--color-primary);
    font-weight: 700;
}

/* --------------------------------------------------------------------------
   消息詳細頁
   -------------------------------------------------------------------------- */
.news-article {
    max-width: 860px;
    margin: 0 auto;
}

.news-article-header {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--color-border);
}

.news-article-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    align-items: center;
}

.news-article-title {
    font-size: clamp(var(--font-size-xl), 3vw, var(--font-size-3xl));
    font-weight: 700;
    color: var(--color-text);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
}

.news-article-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.news-article-content {
    color: var(--color-text-secondary);
    font-size: var(--font-size-md);
    line-height: var(--line-height-loose);
}

.news-article-content p {
    margin-bottom: var(--spacing-lg);
}

.news-article-content a {
    color: var(--color-primary);
}

/* 檔案下載（對應舊站：圓形圖示 + PDF 列表） */
.news-file-download {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.news-file-download__title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
    width: fit-content;
    max-width: 100%;
}

.news-file-download__title-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(145deg, #2563eb, #1d4ed8);
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 1px 3px rgba(37, 99, 235, 0.35);
}

.news-file-download__title-icon svg {
    opacity: 0.95;
}

.news-file-download__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.news-file-download__item {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.news-file-download__item:last-child {
    margin-bottom: 0;
}

.news-file-download__bullet {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #9ca3af;
    flex-shrink: 0;
}

.news-file-download__pdf-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 20px;
    background: linear-gradient(180deg, #ef4444, #dc2626);
    border-radius: 2px;
    flex-shrink: 0;
    box-shadow: 0 1px 2px rgba(220, 38, 38, 0.25);
}

.news-file-download__pdf-text {
    font-size: 9px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.02em;
    line-height: 1;
}

.news-file-download__link {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-size: var(--font-size-md);
    word-break: break-all;
}

.news-file-download__link:hover,
.news-file-download__link:focus-visible {
    color: var(--color-primary-dark, #1e40af);
}

.news-share {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.share-heading {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.share-list {
    list-style: none;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: none;
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    cursor: pointer;
    color: var(--color-text);
    min-height: 36px;
    transition: var(--transition-fast);
}

.share-btn:hover {
    background-color: var(--color-primary-bg);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.copy-status {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-success);
    font-weight: 600;
}

.news-adjacent-nav {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--color-border);
    align-items: center;
}

.adjacent-link {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition-fast);
    color: var(--color-text);
}

.adjacent-link:hover {
    background-color: var(--color-primary-bg);
    border-color: var(--color-primary);
    text-decoration: none;
    color: var(--color-primary);
}

.adjacent-link-right {
    text-align: right;
}

.adjacent-direction {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-weight: 600;
}

.adjacent-title {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-tight);
}

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

/* --------------------------------------------------------------------------
   聯絡頁面
   -------------------------------------------------------------------------- */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.panel-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 3px solid var(--color-primary);
}

.contact-details {
    font-style: normal;
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    align-items: flex-start;
}

.contact-item-icon {
    width: 48px;
    height: 48px;
    background-color: var(--color-primary-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-item-content { flex: 1; }

.contact-item-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.contact-item-content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-base);
    margin: 0;
}

/* 表單 */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.required-mark {
    color: var(--color-error);
    margin-left: 2px;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid #767676;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: white;
    transition: border-color var(--transition-fast);
    min-height: 44px;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--color-border-focus);
    outline: 3px solid var(--color-border-focus);
    outline-offset: 2px;
    box-shadow: 0 0 0 6px rgba(240, 192, 64, 0.45);
}

.form-input-error {
    border-color: var(--color-error) !important;
}

.form-error {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-error);
    margin-top: var(--spacing-xs);
    font-weight: 600;
}

.form-hint {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

.form-required-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: var(--spacing-md);
}

/* 警告框 */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: var(--font-size-base);
}

.alert-success {
    background-color: #d4edda;
    color: var(--color-success);
    border: 2px solid var(--color-success);
}

/* 地圖 */
.map-container {
    margin-top: var(--spacing-xl);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.map-fallback {
    padding: var(--spacing-sm);
    font-size: var(--font-size-sm);
    background-color: var(--color-bg-light);
    text-align: center;
}

/* --------------------------------------------------------------------------
   研究領域頁面
   -------------------------------------------------------------------------- */
.research-anchor-nav {
    background-color: var(--color-bg-light);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 105px;
    z-index: 50;
}

.anchor-nav-list {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.anchor-nav-link {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    min-height: 36px;
    display: flex;
    align-items: center;
}

.anchor-nav-link:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-bg);
    text-decoration: none;
}

.laboratory-directory-panel {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0;
}

.laboratory-directory-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-xl);
    list-style: none;
    margin: 0;
    padding: 0;
}

.laboratory-directory-list li + li {
    border-top: 5px solid var(--color-primary);
}

.laboratory-directory-item {
    min-width: 0;
    padding: var(--spacing-xl);
    border: 1px solid #c8d5e6;
    border-top: 5px solid var(--color-primary);
    border-radius: var(--radius-lg);
    background-color: #ffffff;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.laboratory-directory-item:hover,
.laboratory-directory-item:focus-within {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.laboratory-directory-item:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    justify-self: center;
    width: calc(50% - var(--spacing-md));
}

.laboratory-directory-title {
    margin: 0 0 var(--spacing-sm);
    font-size: var(--font-size-lg);
    line-height: 1.5;
}

.laboratory-directory-link,
.laboratory-directory-link:visited {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    color: var(--color-primary);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.laboratory-directory-link:hover,
.laboratory-directory-link:focus-visible {
    color: var(--color-primary-dark);
    background-color: transparent;
    text-decoration-thickness: 2px;
}

.laboratory-directory-summary {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    line-height: 1.75;
}

.high-contrast .laboratory-directory-panel {
    background-color: transparent !important;
    border: 0;
    box-shadow: none;
}

.high-contrast .laboratory-directory-item,
.high-contrast .laboratory-directory-list li + li {
    background-color: #000000 !important;
    border: 2px solid #ffffff;
    border-top: 5px solid #ffffff;
    box-shadow: none;
}

.high-contrast .laboratory-directory-link,
.high-contrast .laboratory-directory-link:visited {
    color: #ffffff !important;
}

.high-contrast .laboratory-directory-summary {
    color: #ffffff !important;
}

.research-section {
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.research-section-alt {
    background-color: var(--color-bg-light);
}

.research-section-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.research-section-alt .research-section-inner {
    direction: rtl;
}

.research-section-alt .research-content {
    direction: ltr;
}

.research-section-alt .research-image {
    direction: ltr;
}

.research-icon-wrap { margin-bottom: var(--spacing-lg); }

.research-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    background-color: var(--color-primary);
}

.research-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.research-title small {
    font-size: var(--font-size-sm);
    font-weight: 400;
    color: var(--color-text-light);
}

.research-desc {
    color: var(--color-text-secondary);
    line-height: var(--line-height-loose);
    margin-bottom: var(--spacing-xl);
}

.research-keywords {
    margin-bottom: var(--spacing-xl);
}

.keywords-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.keywords-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.keyword-tag {
    font-size: var(--font-size-sm);
    background-color: var(--color-primary-bg);
    color: var(--color-primary);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(0,51,102,0.2);
    font-weight: 500;
}

.research-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    background-color: var(--color-bg-light);
}

/* --------------------------------------------------------------------------
   課程頁面
   -------------------------------------------------------------------------- */
.course-elective-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.course-category-card {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-top: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.course-category-card h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    margin-top: 0;
}

.course-category-card ul {
    list-style: none;
    padding: 0;
}

.course-category-card li {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px dashed var(--color-border);
    margin-bottom: 0;
}

.course-category-card li:last-child {
    border-bottom: none;
}

/* --------------------------------------------------------------------------
   畢業生出路
   -------------------------------------------------------------------------- */
.career-sectors {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.career-sector-card {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    text-align: center;
}

.sector-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.career-sector-card h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    margin-top: 0;
}

.career-sector-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

/* --------------------------------------------------------------------------
   聯絡資訊（關於本所）
   -------------------------------------------------------------------------- */
.contact-address {
    font-style: normal;
}

.contact-dl { }

.contact-row {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.contact-row dt {
    font-weight: 700;
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.contact-row dd {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* 交通資訊 */
.transport-info h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-text);
    margin: var(--spacing-md) 0 var(--spacing-xs);
}

/* --------------------------------------------------------------------------
   內嵌清單
   -------------------------------------------------------------------------- */
.inline-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.inline-list li {
    font-size: var(--font-size-sm);
    margin: 0;
    color: var(--color-text-secondary);
}

.inline-list li + li::before {
    content: "、";
}

/* --------------------------------------------------------------------------
   頁尾
   -------------------------------------------------------------------------- */
.site-footer {
    background-color: var(--color-primary-dark);
    color: var(--color-text-on-dark);
    margin-top: auto;
}

.footer-top {
    padding: var(--spacing-3xl) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
}

.footer-heading {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-secondary);
}

.footer-address {
    font-style: normal;
    color: var(--color-text-on-dark-secondary);
}

.footer-address p {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-loose);
}

.footer-address a {
    color: var(--color-text-on-dark-secondary);
    text-decoration: none;
}

.footer-address a:hover {
    color: white;
    text-decoration: underline;
}

.icon-sm {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-top: 3px;
    fill: var(--color-secondary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-text-on-dark-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
    text-decoration: underline;
}

.social-links {
    list-style: none;
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background-color: rgba(255,255,255,0.1);
    color: white;
    text-decoration: none;
    transition: background-color var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--color-secondary);
    color: var(--color-text);
    text-decoration: none;
}

.footer-bottom {
    background-color: rgba(0,0,0,0.3);
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-copyright,
.footer-a11y {
    font-size: var(--font-size-sm);
    color: var(--color-text-on-dark-secondary);
    margin: 0;
}

.footer-a11y a {
    color: var(--color-text-on-dark-secondary);
    text-decoration: underline;
}

.footer-a11y a:hover {
    color: white;
}

/* --------------------------------------------------------------------------
   回頂端按鈕
   -------------------------------------------------------------------------- */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 52px;
    height: 52px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
    color: white;
    border: 3px solid white;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    z-index: 999;
}

.back-to-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-3px);
}

/* --------------------------------------------------------------------------
   錯誤頁
   -------------------------------------------------------------------------- */
.error-page {
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.error-content {
    max-width: 600px;
    margin: 0 auto;
}

.error-code {
    font-size: 6rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.error-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.error-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-xl);
}

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

/* --------------------------------------------------------------------------
   RWD 響應式設計
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .about-brief-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .about-brief-image {
        order: -1;
    }

    .research-section-inner {
        grid-template-columns: 1fr;
    }

    .research-section-alt .research-section-inner {
        direction: ltr;
    }
}

/* 1.4.10：頁首 sticky 在螢幕放大 200% 或低可視高度時會壓縮內容；改為靜態定位 */
@media (max-width: 960px), (max-height: 560px) {
    .site-header {
        position: static;
    }
}

@media (min-width: 769px) and (max-width: 1280px) {
    .main-nav .container {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }

    .main-nav .nav-link {
        padding-left: 0.4rem;
        padding-right: 0.4rem;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    /* 顯示漢堡按鈕 */
    .nav-toggle {
        display: flex;
    }

    /* 行動版選單 */
    .main-nav .nav-list {
        display: none;
        flex-direction: column;
    }

    .main-nav.nav-open .nav-list {
        display: flex;
    }

    .nav-item { width: 100%; }

    .nav-link {
        padding: var(--spacing-md);
        border-bottom: 1px solid rgba(255,255,255,0.1);
        justify-content: space-between;
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        border-top: none;
        background-color: var(--color-primary-dark);
        display: none;
        border-left: 4px solid var(--color-secondary);
    }

    .nav-item.dropdown-open > .dropdown-menu {
        display: block;
    }

    .nav-item:hover > .dropdown-menu {
        display: none;
    }

    .nav-item.dropdown-open > .dropdown-menu {
        display: block;
    }

    /* 輪播 */
    .hero-carousel { height: 380px; }
    .carousel-title { font-size: var(--font-size-2xl); }
    .carousel-desc { display: none; }
    .hero-carousel--zh .carousel-title {
        white-space: normal;
        font-size: clamp(1.25rem, 4.2vw, 1.75rem);
    }
    /* 行動／平板：移除全幅文字面板，改為僅包住標題的底色（可通過對比檢測） */
    .carousel-bg::after {
        display: none;
    }

    .carousel-content::before {
        display: none;
    }

    .carousel-content {
        align-items: flex-end;
    }

    .carousel-content .container {
        width: auto;
        max-width: calc(100% - 1.5rem);
        margin-left: 0.75rem;
        margin-right: 0.75rem;
        padding: 0 0 2.75rem;
        background: none;
        justify-content: flex-end;
    }

    .carousel-content .container::after {
        display: none;
    }

    /* 局部底色：僅文字區，rgba(0,20,51,0.82) 對白字 ≥ 7:1（WCAG AA） */
    .hero-carousel .carousel-text-layer {
        display: inline-block;
        max-width: 100%;
        padding: 0.4rem 0.7rem;
        border-radius: 6px;
        box-decoration-break: clone;
        -webkit-box-decoration-break: clone;
    }

    .hero-carousel .carousel-text-layer.carousel-hero-text--light-fg {
        background-color: rgba(0, 20, 51, 0.82);
    }

    .hero-carousel .carousel-text-layer.carousel-hero-text--dark-fg {
        background-color: rgba(255, 255, 255, 0.92);
    }

    .hero-carousel .carousel-text-layer.carousel-hero-text--light-fg .carousel-subtitle,
    .hero-carousel .carousel-text-layer.carousel-hero-text--light-fg .carousel-title,
    .hero-carousel .carousel-text-layer.carousel-hero-text--light-fg .carousel-desc {
        text-shadow: none;
    }

    .hero-carousel .carousel-text-layer.carousel-hero-text--dark-fg .carousel-subtitle,
    .hero-carousel .carousel-text-layer.carousel-hero-text--dark-fg .carousel-title,
    .hero-carousel .carousel-text-layer.carousel-hero-text--dark-fg .carousel-desc {
        text-shadow: none;
    }

    .high-contrast .hero-carousel .carousel-text-layer {
        background-color: #000000 !important;
        border: 2px solid #ffffff;
    }

    /* 行動／平板：縮小指示器與控制鈕視覺，保留擴大觸控區 */
    .carousel-dots {
        bottom: 0.65rem;
        left: 0.75rem;
        right: 6.75rem;
        transform: none;
        justify-content: flex-start;
        gap: 0.4rem;
        flex-wrap: nowrap;
    }

    .carousel-dot {
        width: 9px;
        height: 9px;
        min-width: 9px;
        min-height: 9px;
        padding: 0;
        border-width: 1.5px;
        flex: 0 0 auto;
        position: relative;
        background-clip: border-box;
    }

    .carousel-dot::before {
        content: "";
        position: absolute;
        inset: -14px;
    }

    .carousel-dot-active,
    .carousel-dot:hover {
        transform: scale(1.2);
    }

    .carousel-controls {
        bottom: 0.5rem;
        right: 0.5rem;
        gap: 0.3rem;
    }

    .carousel-btn {
        width: 34px;
        height: 34px;
        min-width: 34px;
        min-height: 34px;
        border-width: 1.5px;
    }

    .carousel-btn svg {
        width: 18px;
        height: 18px;
    }

    /* 內容版面 */
    .content-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .content-sidebar,
    .content-main {
        min-width: 0;
    }

    .content-sidebar {
        position: static;
    }

    /* 聯絡版面 */
    .contact-layout {
        grid-template-columns: 1fr;
    }

    /* 頁尾 */
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom .container {
        flex-direction: column;
        text-align: center;
    }

    /* 消息相鄰導覽 */
    .news-adjacent-nav {
        grid-template-columns: 1fr;
    }

    .nav-back { order: -1; }

    /* 研究卡片 */
    .research-cards {
        grid-template-columns: 1fr;
    }

    .laboratory-directory-list {
        grid-template-columns: minmax(0, 1fr);
        gap: var(--spacing-lg);
    }

    .laboratory-directory-item {
        padding: var(--spacing-lg);
    }

    .laboratory-directory-item:last-child:nth-child(odd) {
        grid-column: auto;
        width: 100%;
    }

    /* 統計數字 */
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .header-inner {
        gap: 0.5rem;
    }

    .site-logo,
    .site-logo a,
    .logo-text {
        min-width: 0;
    }

    .site-logo {
        flex: 1 1 auto;
    }

    .site-logo img {
        max-width: 96px;
        max-height: 42px;
        flex-shrink: 1;
    }

    .site-logo a {
        gap: 0.5rem;
    }

    .logo-text-zh {
        font-size: 1rem;
    }

    .logo-text-en {
        font-size: 0.7rem;
        overflow-wrap: anywhere;
    }

    .nav-toggle {
        flex: 0 0 42px;
    }

    .hero-carousel { height: 320px; }

    .hero-slide-img,
    .carousel-bg-img {
        object-position: center 35%;
    }

    .carousel-content .container {
        padding-bottom: 2.65rem;
    }

    .hero-carousel .carousel-text-layer {
        padding: 0.35rem 0.6rem;
    }

    .hero-carousel--zh .carousel-title {
        font-size: clamp(1.2rem, 5vw, 1.5rem);
        line-height: 1.3;
    }

    .carousel-dots {
        bottom: 0.55rem;
        left: 0.65rem;
        right: 6.25rem;
    }

    .carousel-dot {
        width: 8px;
        height: 8px;
        min-width: 8px;
        min-height: 8px;
    }

    .carousel-controls {
        bottom: 0.45rem;
        right: 0.45rem;
    }

    .carousel-btn {
        width: 30px;
        height: 30px;
        min-width: 30px;
        min-height: 30px;
    }

    .carousel-btn svg {
        width: 16px;
        height: 16px;
    }

    .news-list-item-full article {
        flex-direction: column;
    }

    .news-item-date {
        align-self: flex-end;
    }
}

/* --------------------------------------------------------------------------
   列印樣式
   -------------------------------------------------------------------------- */
@media print {
    .skip-links,
    .accessibility-toolbar,
    .main-nav,
    .back-to-top,
    .carousel-controls,
    .carousel-dots,
    .news-tabs,
    .pagination,
    .form-actions,
    .social-links { display: none !important; }

    body { font-size: 12pt; color: black; background: white; }

    a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }

    a[href^="#"]::after,
    a[href^="javascript:"]::after { content: ""; }

    .page-hero {
        background: var(--color-primary) !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .image-description-toggle { display: none !important; }
    .image-long-description[hidden] { display: block !important; }
}

/* --------------------------------------------------------------------------
   後台管理（_AdminLayout）— 主色維持 var(--color-primary)，淺灰側欄 + 白卡片主區
   -------------------------------------------------------------------------- */
.admin-body {
    margin: 0;
    background: #e9edf2;
}

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

.admin-app-header {
    flex-shrink: 0;
    background: var(--color-primary);
    color: #fff;
    padding: 0.55rem 1.35rem;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

.admin-app-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    max-width: 100%;
}

.admin-app-branding {
    display: flex;
    align-items: baseline;
    gap: 0.65rem;
    flex-wrap: wrap;
}

.admin-app-title {
    font-weight: 700;
    font-size: 1.08rem;
    letter-spacing: 0.04em;
}

.admin-app-subtitle {
    font-size: 0.82rem;
    opacity: 0.88;
    font-weight: 500;
}

.admin-app-header-actions {
    display: flex;
    align-items: center;
    gap: 0.65rem 1rem;
    flex-wrap: wrap;
}

.admin-app-user {
    font-weight: 600;
    font-size: 0.92rem;
    opacity: 0.96;
    color: #ffffff;
}

/* 覆寫全域 a / a:visited，避免頂列連結在造訪後變為主題色而難以辨識 */
.admin-app-header a.admin-app-header-link,
.admin-app-header a.admin-app-header-link:visited {
    font-size: 0.88rem;
    color: #ffffff;
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

.admin-app-header-link {
    font-size: 0.88rem;
    color: #ffffff;
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

.admin-app-header a.admin-app-header-link:hover,
.admin-app-header-link:hover {
    color: #ffffff;
    border-bottom-color: rgba(255, 255, 255, 0.55);
}

.admin-app-header-logout {
    margin: 0;
    padding: 0.28rem 0.75rem;
    font-size: 0.82rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.65);
    background: transparent;
    color: #fff;
}

.admin-app-header-logout:hover {
    background: rgba(255, 255, 255, 0.12);
}

.admin-shell {
    display: grid;
    grid-template-columns: minmax(280px, 320px) 1fr;
    flex: 1;
    min-height: 0;
}

/* 側欄：白底、分組灰底標題 + 箭頭、子選單垂直線、主色選取態（附圖風格） */
.admin-sidebar {
    background: #fff;
    color: #374151;
    padding: 0.85rem 0 1.5rem;
    border-right: 1px solid #e8eaef;
}

.admin-nav-tree {
    padding: 0 0.15rem;
}

.admin-nav-home {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin: 0 0.65rem 0.85rem;
    padding: 0.48rem 0.65rem;
    border-radius: 10px;
    font-size: 0.986rem;
    font-weight: 600;
    color: #334155;
    text-decoration: none;
    transition: background 0.12s ease, color 0.12s ease;
}

.admin-nav-home:hover,
.admin-nav-home:focus-visible {
    background: rgba(0, 51, 102, 0.05);
    color: var(--color-primary);
    outline: 3px solid var(--color-border-focus);
    outline-offset: 2px;
}

.admin-nav-home-icon {
    flex-shrink: 0;
    opacity: 0.88;
}

.admin-nav-home.is-active {
    background: #eef3fb;
    color: var(--color-primary);
    font-weight: 700;
    box-shadow: inset 4px 0 0 var(--color-primary);
}

.admin-nav-section {
    margin-bottom: 0.35rem;
}

.admin-nav-section-head {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin: 0 0.65rem 0.2rem;
    padding: 0.52rem 0.68rem;
    width: calc(100% - 1.3rem);
    box-sizing: border-box;
    border: none;
    background: #f3f4f7;
    border-radius: 10px;
    font-size: 0.871rem;
    font-weight: 700;
    font-family: inherit;
    color: #374151;
    text-align: left;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    transition: background 0.12s ease;
}

.admin-nav-section-head:hover,
.admin-nav-section-head:focus-visible {
    background: #e8eaef;
}

.admin-nav-section-head:focus-visible {
    outline: 3px solid var(--color-border-focus);
    outline-offset: 2px;
}

.admin-nav-section-title {
    flex: 1;
    line-height: 1.35;
}

.admin-nav-chevron {
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid #6b7280;
    border-bottom: none;
    flex-shrink: 0;
    margin-top: 1px;
    transition: transform 0.15s ease;
    transform-origin: 50% 40%;
}

.admin-nav-section.is-collapsed .admin-nav-chevron {
    transform: rotate(-90deg);
}

.admin-nav-sub {
    list-style: none;
    padding: 0.15rem 0 0.45rem 0.85rem;
    margin: 0 0.65rem 0.45rem 1rem;
    border-left: 1px solid #dfe3ea;
}

.admin-nav-section.is-collapsed .admin-nav-sub {
    display: none;
}

.admin-nav-sub li {
    margin: 0;
}

.admin-nav-link {
    display: block;
    padding: 0.4rem 0.55rem;
    margin: 0.1rem 0;
    font-size: 0.956rem;
    color: #475569;
    text-decoration: none;
    border-radius: 0 10px 10px 0;
    transition: background 0.12s ease, color 0.12s ease;
}

.admin-nav-link:hover,
.admin-nav-link:focus-visible {
    background: rgba(0, 51, 102, 0.05);
    color: var(--color-primary);
}

.admin-nav-link:focus-visible {
    outline: 3px solid var(--color-border-focus);
    outline-offset: 2px;
}

.admin-nav-link.is-active {
    background: #eef3fb;
    color: var(--color-primary);
    font-weight: 700;
    box-shadow: inset 4px 0 0 var(--color-primary);
}

.admin-sidebar .admin-nav-home:visited {
    color: #334155;
}

.admin-sidebar .admin-nav-home.is-active:visited {
    color: var(--color-primary);
}

.admin-sidebar .admin-nav-link:visited {
    color: #475569;
}

.admin-sidebar .admin-nav-link.is-active:visited {
    color: var(--color-primary);
}

.admin-main {
    background: #e9edf2;
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

.admin-content {
    padding: 1.35rem 1.75rem 2.5rem;
    flex: 1;
    width: 100%;
    max-width: 1320px;
}

.admin-page-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.15rem;
}

.admin-page-heading {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    letter-spacing: 0.02em;
}

.admin-page-heading-sep {
    font-weight: 600;
    opacity: 0.78;
}

.admin-page-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.admin-card {
    background: #fff;
    border-radius: 10px;
    border: 1px solid #dde3ec;
    box-shadow: 0 1px 3px rgba(0, 51, 102, 0.06);
}

.admin-card-table {
    padding: 0;
    overflow: hidden;
}

.admin-card-table .table-responsive {
    margin: 0;
    border: none;
    border-radius: 10px;
}

.admin-data-table {
    margin: 0;
    font-size: 0.9rem;
}

.admin-data-table td,
.admin-data-table th {
    vertical-align: middle;
}

.admin-th-num,
.admin-td-num {
    text-align: center;
    white-space: nowrap;
}

.admin-th-actions,
.admin-td-actions {
    text-align: right;
}

.admin-row-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.admin-inline-form {
    margin: 0;
    display: inline;
}

.admin-code-truncate {
    font-size: 0.78rem;
    color: #475569;
}

.admin-code-pill {
    font-size: 0.78rem;
    padding: 0.15rem 0.45rem;
    background: rgba(0, 51, 102, 0.06);
    border-radius: 4px;
}

.admin-color-swatch {
    display: inline-block;
    width: 1.15rem;
    height: 1.15rem;
    border-radius: 4px;
    vertical-align: middle;
    border: 1px solid rgba(0, 0, 0, 0.12);
}

.admin-color-hex {
    margin-left: 0.35rem;
    font-size: 0.82rem;
    color: #475569;
}

.admin-muted {
    font-size: 0.86rem;
    color: #64748b;
}

.admin-logout-form {
    margin: 0;
    display: inline;
}

.admin-page-title {
    font-size: 1.45rem;
    font-weight: 700;
    margin: 0 0 1rem;
    color: var(--color-primary-dark);
}

.admin-lead {
    color: #444;
    line-height: 1.6;
    max-width: 52rem;
}

.admin-alert {
    margin-bottom: 1rem;
}

/* --------------------------------------------------------------------------
   後台 · 最新消息列表（依篩選列 + 橫向列表列）
   -------------------------------------------------------------------------- */
.admin-news-manage {
    max-width: 100%;
}

.admin-breadcrumb {
    font-size: 0.82rem;
    margin-bottom: 0.65rem;
    color: var(--color-primary);
    opacity: 0.88;
}

.admin-breadcrumb a {
    color: var(--color-primary);
    text-decoration: none;
}

.admin-breadcrumb a:hover {
    text-decoration: underline;
}

.admin-breadcrumb-sep {
    opacity: 0.55;
    padding: 0 0.2rem;
}

.admin-breadcrumb-current {
    color: #475569;
    font-weight: 600;
}

.admin-news-manage-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.15rem;
}

.admin-news-manage-title {
    margin: 0;
    font-size: 1.65rem;
    font-weight: 800;
    color: #1e293b;
    letter-spacing: 0.02em;
}

.admin-news-manage-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.admin-news-toolbar-btn {
    font-weight: 600;
    border-radius: 8px;
}

.admin-news-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 0.75rem 1rem;
    padding: 1rem 1.1rem;
    margin-bottom: 1.25rem;
    background: #f5f7fb;
    border: 1px solid #e4e9f2;
    border-radius: 10px;
}

.admin-news-filter-field {
    display: flex;
    flex-direction: column;
    gap: 0.28rem;
    min-width: 8rem;
}

.admin-news-filter-field-grow {
    flex: 1;
    min-width: 12rem;
}

.admin-news-filter-label {
    font-size: 0.78rem;
    font-weight: 700;
    color: #475569;
}

.admin-news-filter-input {
    font-size: 0.9rem;
    min-height: 42px;
}

.admin-news-filter-actions {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding-bottom: 0.05rem;
}

.admin-news-filter-submit {
    padding: 0.45rem 1.15rem;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 8px;
    border: 1px solid #adb5bd;
    background: #868e96;
    color: #fff;
    cursor: pointer;
    font-family: inherit;
}

.admin-news-filter-submit:hover {
    background: #787f87;
}

.admin-news-filter-clear {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
}

.admin-news-filter-clear:hover {
    text-decoration: underline;
}

.admin-news-pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem 1rem;
    margin: 0.75rem 0 1rem;
    padding: 0.65rem 1rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
}

.admin-news-pagination-bottom {
    margin-top: 1rem;
    margin-bottom: 0;
}

.admin-news-pagination-summary {
    margin: 0;
    font-size: 0.9rem;
    color: #475569;
}

.admin-news-pagination-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
}

.admin-news-page-current {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.1rem;
    padding: 0.25rem 0.45rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
    background: var(--color-primary, #1e3a5f);
    border-radius: 6px;
}

.admin-news-page-num {
    min-width: 2.1rem;
}

.admin-news-page-disabled {
    opacity: 0.45;
    pointer-events: none;
    cursor: default;
}

.admin-news-empty {
    padding: 2rem;
    text-align: center;
    color: #64748b;
    background: #fff;
    border: 1px dashed #cfd8e6;
    border-radius: 10px;
}

/* 後台 · 新增／編輯消息 */
.admin-news-edit {
    max-width: 54rem;
}

.admin-news-edit.admin-course-section-edit {
    max-width: 72rem;
}

.admin-news-edit-title {
    margin: 0 0 1.25rem;
    font-size: 1.65rem;
    font-weight: 800;
    color: #1e293b;
    letter-spacing: 0.02em;
}

.admin-news-edit-form .form-label {
    font-weight: 700;
    color: #334155;
    margin-bottom: 0.35rem;
}

.admin-news-edit-input {
    border-radius: 8px;
    border: 1px solid #cfd8e6;
    background: #fff;
}

/* 後台 HTML 編輯器：橘框外殼 + 米色底 + Navy 切換鈕（與站方後台示意一致） */
body.admin-body {
    --admin-html-suite-bg: #fff9f2;
    --admin-html-suite-border: #e68a00;
    --admin-html-suite-navy: #1a2b4d;
    --admin-html-editor-inner-border: #c5cdd8;
    --admin-html-toolbar-bg: #eceff4;
}

.admin-html-editor-suite {
    box-sizing: border-box;
    background: var(--admin-html-suite-bg);
    border: 2px solid var(--admin-html-suite-border);
    border-radius: 12px;
    padding: 1rem 1.15rem 1.1rem;
    margin: 0.35rem 0 0;
}

/* 活動花絮「活動說明」區塊已用 .activity-description-zone 畫橘框，內層編輯器套件不再重複描邊 */
body.admin-body .activity-description-zone .admin-html-editor-suite {
    border: none;
    background: transparent;
    padding: 0;
    margin: 0;
    box-shadow: none;
}

.admin-quill-html-mode-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.65rem;
}

.admin-quill-html-mode-btn {
    appearance: none;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.25;
    padding: 0.45rem 1.1rem;
    border-radius: 999px;
    border: 2px solid var(--admin-html-suite-navy);
    background: #fff;
    color: var(--admin-html-suite-navy);
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.admin-quill-html-mode-btn:hover {
    background: #f8fafc;
}

.admin-quill-html-mode-btn:focus-visible {
    outline: 2px solid var(--admin-html-suite-navy);
    outline-offset: 2px;
}

.admin-quill-html-mode-btn.is-active {
    font-weight: 800;
    background: #fff;
    color: var(--admin-html-suite-navy);
    box-shadow: 0 0 0 1px var(--admin-html-suite-navy);
}

.admin-quill-html-source {
    width: 100%;
    box-sizing: border-box;
    font-family: ui-monospace, Consolas, "Cascadia Mono", "Segoe UI Mono", monospace;
    font-size: 0.875rem;
    line-height: 1.45;
    tab-size: 2;
}

.admin-html-editor-suite .admin-quill-html-source {
    display: block;
    border: 1px solid var(--admin-html-editor-inner-border);
    border-radius: 10px;
    background: #fff;
    padding: 0.75rem 0.85rem;
    min-height: 280px;
    margin: 0;
}

/* Quill（BSD）：編輯區 */
.admin-news-quill-wrap {
    border-radius: 10px;
    border: 1px solid #cfd8e6;
    background: #fff;
    overflow: hidden;
}

.admin-html-editor-suite .admin-news-quill-wrap {
    border-color: var(--admin-html-editor-inner-border);
    border-radius: 10px;
    background: #fff;
}

.admin-news-quill-wrap .ql-toolbar.ql-snow {
    border: none;
    border-bottom: 1px solid #d8dee8;
    font-family: inherit;
    background: var(--admin-html-toolbar-bg);
}

/* 與套件同欄位的標題改為橘色（示意圖的活動說明／內容等） */
body.admin-body .form-group:has(.admin-html-editor-suite) > label,
body.admin-body .activity-description-zone:has(.admin-html-editor-suite) > label,
body.admin-body form#form-courses:has(.admin-html-editor-suite) > label.form-label {
    color: var(--admin-html-suite-border);
    font-weight: 800;
}

.admin-news-quill-wrap .ql-container.ql-snow {
    border: none;
    font-family: inherit;
    font-size: 0.95rem;
}

.admin-news-quill-wrap .ql-editor {
    min-height: 280px;
    max-width: 100%;
    overflow-x: auto;
}

.admin-news-quill-wrap .ql-editor .table-responsive {
    max-width: 100%;
}

.admin-news-quill-wrap .ql-editor table,
.admin-news-quill-wrap .ql-editor .ql-table {
    width: 100%;
    max-width: 100%;
    table-layout: fixed;
    border-collapse: collapse;
}

.admin-news-quill-wrap .ql-editor th,
.admin-news-quill-wrap .ql-editor td {
    overflow-wrap: anywhere;
    word-break: break-word;
    vertical-align: top;
}

.admin-news-quill-wrap .ql-editor .data-table thead th {
    background-color: var(--color-primary);
    color: #fff;
}

.admin-news-quill-wrap .ql-editor .data-table tbody th[scope='row'] {
    background-color: var(--color-primary-bg);
    color: var(--color-primary-dark);
}

/* Quill Snow 預設把工具列按鈕固定成方塊圖示寬度，文字按鈕需覆寫 */
.admin-news-quill-wrap .ql-toolbar.ql-snow button.ql-uploadFile {
    float: none;
    width: auto !important;
    min-width: 4.5rem;
    height: auto !important;
    min-height: 26px;
    padding: 4px 10px;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1.25;
}

.admin-news-quill-wrap .ql-uploadFile {
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 4px 10px;
    font-size: 13px;
    font-weight: 600;
    color: #334155;
    border-radius: 4px;
}

.admin-news-quill-wrap .ql-uploadFile:hover {
    background: #f1f5f9;
}

.admin-news-quill-wrap .ql-toolbar .admin-news-quill-upload-format {
    white-space: nowrap;
    vertical-align: middle;
}

.admin-news-edit-hint {
    margin: 0.4rem 0 0;
    font-size: 0.82rem;
    color: #64748b;
    line-height: 1.45;
}

.admin-news-edit-options {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    align-items: center;
}

.admin-news-edit-check {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-weight: 600;
    color: #334155;
    cursor: pointer;
}

.admin-news-edit-check input {
    width: 1.05rem;
    height: 1.05rem;
    accent-color: var(--color-primary);
}

.admin-news-edit-actions {
    margin-top: 0.5rem;
}

.admin-news-attachments {
    margin-bottom: 0.65rem;
    border: 1px solid #e4e9f2;
    border-radius: 8px;
    background: #fafbfd;
    min-height: 2.5rem;
    padding: 0.35rem 0.5rem;
}

.admin-news-attachment-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.75rem;
    padding: 0.35rem 0.25rem;
    border-bottom: 1px solid #eef1f6;
}

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

.admin-news-attachment-name {
    font-weight: 600;
    font-size: 0.88rem;
    color: #334155;
    min-width: 8rem;
}

.admin-news-attachment-url {
    flex: 1;
    min-width: 12rem;
    font-size: 0.78rem;
    overflow: hidden;
}

.admin-news-attachment-url code {
    word-break: break-all;
}

.admin-news-rows {
    list-style: none;
    margin: 0;
    padding: 0;
    border: 1px solid #e4e9f2;
    border-radius: 10px;
    overflow: hidden;
    background: #fff;
}

.admin-news-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 0.75rem 1rem;
    align-items: center;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid #ecf0f6;
}

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

.admin-news-row-alt {
    background: #f8fafc;
}

.admin-news-row-main {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    min-width: 0;
}

.admin-news-row-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    flex-shrink: 0;
}

.admin-news-tag {
    font-size: 0.68rem;
    font-weight: 800;
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    line-height: 1.2;
    white-space: nowrap;
}

.admin-news-tag-pinned {
    background: #fff3e0;
    color: #e65100;
    border: 1px solid rgba(230, 81, 0, 0.35);
}

.admin-news-tag-new {
    background: #e0f7fa;
    color: #00838f;
    border: 1px solid rgba(0, 131, 143, 0.35);
}

.admin-news-row-title {
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    line-height: 1.45;
    word-break: break-word;
}

.admin-news-row-title:hover {
    text-decoration: underline;
}

.admin-news-row-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.15rem;
    text-align: right;
    min-width: 7rem;
}

.admin-news-row-cat {
    font-size: 0.82rem;
    font-weight: 600;
    color: #475569;
}

.admin-news-row-date {
    font-size: 0.82rem;
    color: #64748b;
}

.admin-news-row-actions {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
}

.admin-news-btn-edit {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.admin-news-btn-delete {
    padding: 0.35rem 0.75rem;
    font-size: 0.78rem;
    font-weight: 600;
    border-radius: 8px;
    border: 1px solid #c0392b;
    background: #fff;
    color: #c0392b;
    cursor: pointer;
    font-family: inherit;
}

.admin-news-btn-delete:hover {
    background: #fdecea;
}

@media (max-width: 900px) {
    .admin-news-row {
        grid-template-columns: 1fr;
        align-items: stretch;
    }

    .admin-news-row-meta {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }

    .admin-news-row-actions {
        justify-content: flex-end;
    }
}

@media (max-width: 960px) {
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        position: sticky;
        top: 0;
        z-index: 20;
        border-right: none;
        border-bottom: 1px solid #dce2eb;
    }
}

/* --------------------------------------------------------------------------
   活動花絮（/Action）— 每筆一場活動，最多三張圖
   -------------------------------------------------------------------------- */
.action-intro {
    max-width: 52rem;
    line-height: 1.65;
    color: #333;
    margin-bottom: 2rem;
}
.action-empty {
    padding: 2rem;
    text-align: center;
    color: #666;
    background: #f5f7fb;
    border-radius: 8px;
}
.action-page-meta {
    max-width: 52rem;
    margin: 0 0 1.25rem;
    line-height: 1.6;
    color: #334155;
    font-size: 0.95rem;
}
.action-pagination {
    margin: 0 0 1.75rem;
}
.action-pagination--bottom {
    margin: 2rem 0 0;
    padding-top: 1.5rem;
    border-top: 1px solid #dde3ec;
}
.action-pagination .pagination-list {
    margin: 0;
    padding: 0;
}
.activity-highlight {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #dde3ec;
}
.activity-highlight:last-of-type {
    border-bottom: none;
}
.activity-highlight__grid {
    display: grid;
    grid-template-columns: minmax(200px, 320px) 1fr;
    gap: 1.5rem;
    align-items: start;
}
@media (max-width: 768px) {
    .activity-highlight__grid {
        grid-template-columns: 1fr;
    }
}
.activity-highlight__visual {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.activity-highlight__cover-btn {
    display: block;
    width: 100%;
    padding: 0;
    border: none;
    border-radius: 10px;
    overflow: hidden;
    cursor: zoom-in;
    background: #e8ecf4;
    line-height: 0;
}
.activity-highlight__cover {
    width: 100%;
    height: auto;
    max-height: 420px;
    object-fit: cover;
    display: block;
    aspect-ratio: 3 / 4;
}
.activity-highlight__cover--placeholder {
    min-height: 240px;
    background: linear-gradient(135deg, #e8ecf4 0%, #dde7f4 100%);
}
.activity-highlight__thumbs {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}
.activity-highlight__panel {
    border: 2px solid var(--color-secondary, #2b6cb0);
    border-radius: 10px;
    padding: 1.25rem 1.5rem;
    background: #fafdff;
}
.activity-highlight__category {
    margin: 0 0 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: #7c5900;
}

/* CMS 資訊圖長描述：無 JavaScript 時原標記段落維持可見。 */
.image-description-toggle {
    display: inline-flex;
    align-items: center;
    margin: 0.75rem 0 0.5rem;
    padding: 0.5rem 0.75rem;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-sm);
    background: #ffffff;
    color: var(--color-primary);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.image-long-description {
    margin: 0 0 1rem;
    padding: 0.75rem 1rem;
    border-left: 4px solid var(--color-primary);
    background: var(--color-primary-bg);
    color: var(--color-text);
}
.activity-highlight__title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin: 0 0 1rem;
    line-height: 1.35;
}
.activity-highlight__meta {
    margin: 0;
    padding-top: 0.75rem;
    border-top: 1px solid #c5d4e8;
}
.activity-highlight__meta-row {
    margin: 0.4rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.35rem;
    color: #333;
    font-size: 0.98rem;
    line-height: 1.5;
}
.activity-highlight__meta-icon {
    flex-shrink: 0;
}
.activity-highlight__description {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #c5d4e8;
    font-size: 0.98rem;
    line-height: 1.65;
    color: #2d3748;
}
.activity-highlight__description :first-child {
    margin-top: 0;
}
.activity-highlight__description img {
    max-width: 100%;
    height: auto;
}
.activity-highlight__description p,
.activity-highlight__description ul,
.activity-highlight__description ol {
    margin: 0.5rem 0 0;
}
.activity-highlight__description ul,
.activity-highlight__description ol {
    padding-left: 1.25rem;
}
.activity-photo-thumb {
    display: block;
    width: 100%;
    padding: 0;
    border: none;
    border-radius: 8px;
    overflow: hidden;
    cursor: zoom-in;
    background: #e8ecf4;
    aspect-ratio: 4 / 3;
}
.activity-photo-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.2s ease;
}
.activity-photo-thumb:hover img,
.activity-photo-thumb:focus-visible img {
    transform: scale(1.03);
}
.activity-photo-thumb:focus-visible {
    outline: 3px solid var(--color-secondary);
    outline-offset: 2px;
}
.activity-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.88);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}
.activity-lightbox[hidden] {
    display: none;
}
.activity-lightbox__img {
    position: relative;
    z-index: 0;
    max-width: min(96vw, 1200px);
    max-height: 88vh;
    object-fit: contain;
    border-radius: 4px;
}
.activity-lightbox__close {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 2;
    width: 3rem;
    height: 3rem;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    pointer-events: auto;
}
.activity-lightbox__close:hover,
.activity-lightbox__close:focus-visible {
    background: rgba(255, 255, 255, 0.28);
}
.activity-lightbox__close:focus-visible {
    outline: 3px solid var(--color-secondary);
    outline-offset: 3px;
}

/* ============================================================
   圖片浮水印（© AMMLab）
   右下角版權標示，防止一般使用者誤以為圖片無版權
   ============================================================ */
.faculty-photo-wrap,
.faculty-detail-photo-box,
.about-brief-image,
.research-image {
    position: relative;
    overflow: hidden;
}

/* .hero-motion-layer 已有 position: absolute; inset: 0，不需重設 */
/* .activity-highlight__cover-btn / .activity-photo-thumb 為 button，已有 position: relative */
.activity-highlight__cover-btn,
.activity-photo-thumb {
    position: relative;
    overflow: hidden;
}

.activity-lightbox__img-wrap {
    position: relative;
    display: inline-block;
}

.hero-motion-layer::after,
.faculty-photo-wrap::after,
.faculty-detail-photo-box::after,
.about-brief-image::after,
.research-image::after,
.activity-highlight__cover-btn::after,
.activity-photo-thumb::after,
.activity-lightbox__img-wrap::after {
    content: "© AMMLab";
    position: absolute;
    bottom: 0.5rem;
    right: 0.75rem;
    color: rgba(255, 255, 255, 0.82);
    font-size: 1.44rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    font-family: var(--font-family);
    text-shadow:
        0 1px 3px rgba(0, 0, 0, 0.9),
        0 0 8px rgba(0, 0, 0, 0.7);
    pointer-events: none;
    user-select: none;
    z-index: 10;
}

.img-watermark {
    position: relative;
    overflow: hidden;
}
.img-watermark::after {
    content: "© AMMLab";
    position: absolute;
    bottom: 0.5rem;
    right: 0.75rem;
    color: rgba(255, 255, 255, 0.82);
    font-size: 1.44rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    font-family: var(--font-family);
    text-shadow:
        0 1px 3px rgba(0, 0, 0, 0.9),
        0 0 8px rgba(0, 0, 0, 0.7);
    pointer-events: none;
    user-select: none;
    z-index: 10;
}

.lab-filter-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    margin-bottom: 1.5rem;
}
.lab-filter-link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0.35rem 0.9rem;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}
.lab-filter-link:hover,
.lab-filter-link:focus-visible,
.lab-filter-link.is-active {
    background: var(--color-primary);
    color: #fff;
}
.lab-section { margin-bottom: 2.5rem; }
.lab-card-grid {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.25rem;
}
.lab-card-grid--wide { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.lab-card {
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
}
.lab-card-photo img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}
.lab-card-photo-empty {
    min-height: 180px;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-page-hero-bg);
    color: var(--color-page-hero-text);
}
.admin-equip-thumb,
.admin-equip-preview {
    display: block;
    object-fit: cover;
    margin-bottom: 0.5rem;
}
.admin-equip-thumb {
    width: 96px;
    height: 64px;
}
.admin-equip-preview {
    width: min(100%, 320px);
    height: auto;
    max-height: 180px;
}
.lab-card-body { padding: 1rem; }
.lab-card-title {
    font-size: 1.1rem;
    color: var(--color-primary);
    margin: 0 0 0.35rem;
}
.lab-card-title a { color: inherit; text-decoration: none; }
.lab-card-title a:hover,
.lab-card-title a:focus-visible { text-decoration: underline; }
.lab-card-en { color: var(--color-text-secondary); font-size: 0.9rem; margin-bottom: 0.5rem; }
.lab-card-kicker {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 0.25rem;
}
.lab-card-sub { font-size: 0.95rem; margin: 0.75rem 0 0.35rem; }
.lab-card details { margin-top: 0.75rem; }
.lab-card summary {
    cursor: pointer;
    min-height: 44px;
    display: flex;
    align-items: center;
    font-weight: 600;
    color: var(--color-primary);
}
.publication-list { padding-left: 1.25rem; }
.publication-list li { margin-bottom: 0.65rem; line-height: 1.7; }
.analysis-chip-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0.75rem;
}
.analysis-chip {
    border: 1px solid var(--color-border);
    padding: 0.85rem 1rem;
}
.analysis-chip h3 { font-size: 1rem; margin: 0 0 0.25rem; color: var(--color-primary); }
.lead-text { max-width: 48rem; margin-bottom: 1.5rem; line-height: 1.7; }