/* ============================================================
   初2312班班级网站 · 暖米色驼棕 iOS 玻璃拟态主题
   纯原生 CSS，无外部依赖，系统字体栈
   ============================================================ */

:root {
    --bg-primary: #f0ebe3;
    --bg-secondary: #e8e0d4;
    --bg-tertiary: #ddd5c8;

    --accent: #8b6f4e;
    --accent-light: #a8896a;
    --accent-lighter: #c4a882;
    --accent-dark: #6d5739;

    --text-primary: #3d3428;
    --text-secondary: #6b5d4f;
    --text-muted: #9a8b7a;

    --glass-bg: rgba(255, 255, 255, 0.35);
    --glass-bg-strong: rgba(255, 255, 255, 0.55);
    --glass-border: rgba(255, 255, 255, 0.45);
    --glass-shadow: 0 8px 32px rgba(109, 87, 57, 0.12);
    --glass-shadow-hover: 0 14px 40px rgba(109, 87, 57, 0.20);

    --radius-card: 16px;
    --radius-lg: 20px;
    --radius-pill: 9999px;

    --danger: #b5534b;
    --success: #6f8f5f;
    --info: #7d8fa8;

    --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
        "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-stack);
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 背景装饰光斑 */
body::before,
body::after {
    content: "";
    position: fixed;
    border-radius: 50%;
    filter: blur(90px);
    z-index: -1;
    pointer-events: none;
}
body::before {
    width: 520px; height: 520px;
    background: radial-gradient(circle, rgba(196, 168, 130, 0.45), transparent 70%);
    top: -160px; left: -120px;
}
body::after {
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(168, 137, 106, 0.30), transparent 70%);
    bottom: -220px; right: -160px;
}

a { color: var(--accent-dark); text-decoration: none; }
a:hover { color: var(--accent); }

img { max-width: 100%; display: block; }

/* ---------------- 内联 SVG 图标体系 ---------------- */
.icon {
    width: 1.15em;
    height: 1.15em;
    flex-shrink: 0;
    vertical-align: -0.18em;
}
.icon-sm { width: 0.95em; height: 0.95em; vertical-align: -0.15em; }
.icon-lg { width: 1.5em; height: 1.5em; vertical-align: -0.3em; }
.icon-xl { width: 2.6em; height: 2.6em; }
svg { display: inline-block; }

/* 导航胶囊内图标与文字对齐 */
.nav-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.admin-nav a svg { flex-shrink: 0; }
.brand .brand-emoji svg,
.admin-brand svg { width: 1.15em; height: 1.15em; }

/* 返回链接 */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--text-muted);
    font-size: 0.9rem;
}
.back-link:hover { color: var(--accent); }

/* 表格单元格内图标 */
.td-icon {
    display: inline-flex;
    align-items: center;
    color: var(--accent);
    margin-right: 4px;
}

/* ---------------- 玻璃卡片 ---------------- */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    box-shadow: var(--glass-shadow);
    padding: 24px;
}

.page-main {
    max-width: 1080px;
    margin: 0 auto;
    padding: 96px 20px 48px;
}

.page-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 8px 0 4px;
    letter-spacing: 0.5px;
}
.page-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

/* ---------------- 顶栏 ---------------- */
.site-header {
    position: fixed;
    top: 12px;
    left: 0; right: 0;
    z-index: 100;
    display: flex;
    justify-content: center;
    padding: 0 16px;
}
.header-inner {
    width: 100%;
    max-width: 1080px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 18px;
    background: rgba(240, 235, 227, 0.72);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-pill);
    box-shadow: 0 6px 24px rgba(109, 87, 57, 0.12);
}
.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-primary);
    white-space: nowrap;
    margin-right: auto;
}
.brand:hover { color: var(--accent-dark); }
.brand-emoji {
    width: 36px; height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    color: #fff;
    box-shadow: 0 3px 10px rgba(139, 111, 78, 0.35);
}
.brand-emoji .icon { width: 20px; height: 20px; }
.brand-logo {
    width: 36px; height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255,255,255,0.6);
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
    justify-content: flex-end;
}
.nav-pill {
    padding: 7px 14px;
    border-radius: var(--radius-pill);
    color: var(--text-secondary);
    font-size: 0.9rem;
    white-space: nowrap;
    transition: all 0.25s ease;
}
.nav-pill:hover {
    background: rgba(255, 255, 255, 0.5);
    color: var(--accent-dark);
    transform: translateY(-1px);
}
.nav-pill.active {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 14px rgba(139, 111, 78, 0.35);
}
.nav-pill.nav-admin {
    background: var(--accent-dark);
    color: #fff;
}
.nav-toggle {
    display: none;
    background: rgba(255,255,255,0.4);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 40px; height: 40px;
    color: var(--accent-dark);
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

/* ---------------- 按钮 ---------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 22px;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    font-size: 0.95rem;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.25s ease;
    line-height: 1.4;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    color: #fff;
    box-shadow: 0 6px 18px rgba(139, 111, 78, 0.3);
}
.btn-primary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(139, 111, 78, 0.4);
}
.btn-ghost {
    background: rgba(255,255,255,0.4);
    border-color: var(--glass-border);
    color: var(--accent-dark);
}
.btn-ghost:hover {
    background: rgba(255,255,255,0.65);
    transform: translateY(-2px);
}
.btn-danger {
    background: rgba(181, 83, 75, 0.12);
    color: var(--danger);
    border-color: rgba(181, 83, 75, 0.25);
}
.btn-danger:hover {
    background: var(--danger);
    color: #fff;
    transform: translateY(-2px);
}
.btn-sm { padding: 6px 14px; font-size: 0.85rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* ---------------- 首页 Hero ---------------- */
.hero {
    position: relative;
    border-radius: var(--radius-lg);
    padding: 56px 40px;
    text-align: center;
    overflow: hidden;
    margin-bottom: 28px;
    background:
        linear-gradient(135deg, rgba(196,168,130,0.55), rgba(168,137,106,0.35)),
        linear-gradient(160deg, #f5efe4, #e6d9c4);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}
.hero::before {
    content: "";
    position: absolute;
    width: 220px; height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.55), transparent 70%);
    opacity: 0.5;
    top: -70px; right: -60px;
    pointer-events: none;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.page-title {
    display: flex;
    align-items: center;
    gap: 10px;
}
.page-title .icon { color: var(--accent); width: 1.25em; height: 1.25em; }
.section-head h2 {
    display: flex;
    align-items: center;
    gap: 8px;
}
.section-head h2 .icon { color: var(--accent); width: 1.1em; height: 1.1em; }
.section-head .more {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.group-title {
    display: flex;
    align-items: center;
    gap: 8px;
}
.group-title .icon { color: var(--accent); }
.hero-badge {
    display: inline-block;
    padding: 6px 18px;
    border-radius: var(--radius-pill);
    background: rgba(255,255,255,0.55);
    color: var(--accent-dark);
    font-size: 0.85rem;
    margin-bottom: 16px;
    border: 1px solid var(--glass-border);
}
.hero h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-primary);
    letter-spacing: 1px;
}
.hero-slogan {
    font-size: 1.15rem;
    color: var(--accent-dark);
    margin-bottom: 18px;
    font-weight: 600;
}
.hero-desc {
    max-width: 640px;
    margin: 0 auto 24px;
    color: var(--text-secondary);
}
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---------------- 区块标题 ---------------- */
.section { margin-bottom: 32px; }
.section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin: 26px 4px 14px;
}
.section-head h2 {
    font-size: 1.3rem;
    font-weight: 700;
}
.section-head .more {
    font-size: 0.88rem;
    color: var(--text-muted);
}
.section-head .more:hover { color: var(--accent); }

/* ---------------- 统计数字 ---------------- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-bottom: 8px;
}
.stat-card {
    text-align: center;
    padding: 22px 12px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--glass-shadow-hover); }
.stat-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-dark);
    line-height: 1.2;
}
.stat-label { color: var(--text-muted); font-size: 0.88rem; margin-top: 4px; }
.stat-emoji {
    width: 56px; height: 56px;
    margin: 0 auto 10px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: linear-gradient(135deg, var(--accent-lighter), var(--accent-light));
    box-shadow: 0 6px 16px rgba(139, 111, 78, 0.3);
}
.stat-emoji .icon-lg { width: 26px; height: 26px; vertical-align: 0; }

/* ---------------- 通用网格 ---------------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* ---------------- 通知/新闻列表 ---------------- */
.news-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 18px 20px;
    border-radius: var(--radius-card);
    transition: all 0.25s ease;
    border: 1px solid transparent;
}
.news-item:hover {
    background: rgba(255,255,255,0.3);
    border-color: var(--glass-border);
    transform: translateY(-2px);
}
.news-date {
    flex-shrink: 0;
    width: 62px;
    text-align: center;
    padding: 10px 0;
    border-radius: 14px;
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border);
}
.news-date .d { font-size: 1.3rem; font-weight: 800; color: var(--accent-dark); line-height: 1.1; }
.news-date .m { font-size: 0.75rem; color: var(--text-muted); }
.news-body h3 {
    font-size: 1.02rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}
.news-body h3:hover { color: var(--accent); }
.news-body p { font-size: 0.88rem; color: var(--text-muted); }

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: var(--radius-pill);
    font-size: 0.72rem;
    font-weight: 600;
    vertical-align: middle;
    margin-right: 6px;
}
.badge-top { background: rgba(181, 83, 75, 0.15); color: var(--danger); }
.badge-new { background: rgba(111, 143, 95, 0.18); color: var(--success); }

/* 新闻详情 */
.article-head { text-align: center; margin-bottom: 20px; }
.article-head h1 { font-size: 1.6rem; margin: 10px 0; }
.article-meta { color: var(--text-muted); font-size: 0.88rem; }
.article-content { line-height: 2; font-size: 1rem; }
.article-content p { margin-bottom: 14px; }
.article-content img { border-radius: 12px; margin: 14px auto; }

/* ---------------- 相册 ---------------- */
.gallery-card {
    padding: 0;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.gallery-card:hover { transform: translateY(-4px); box-shadow: var(--glass-shadow-hover); }
.gallery-cover {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(109, 87, 57, 0.55);
    background: linear-gradient(135deg, var(--bg-tertiary), var(--accent-lighter));
}
.gallery-cover .icon-xl { width: 64px; height: 64px; }
.gallery-info { padding: 16px 20px; }
.gallery-info h3 { font-size: 1.05rem; margin-bottom: 4px; }
.gallery-info .meta { font-size: 0.82rem; color: var(--text-muted); }

.photo-wall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
}
.photo-item {
    border-radius: 14px;
    overflow: hidden;
    position: relative;
    cursor: zoom-in;
    border: 1px solid var(--glass-border);
    background: var(--bg-tertiary);
    aspect-ratio: 4 / 3;
    transition: transform 0.25s ease;
}
.photo-item:hover { transform: scale(1.02); }
.photo-item img { width: 100%; height: 100%; object-fit: cover; }
.photo-item .ph-caption {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: 20px 12px 8px;
    font-size: 0.8rem;
    color: #fff;
    background: linear-gradient(transparent, rgba(61, 52, 40, 0.7));
}
.photo-item .ph-placeholder {
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(109, 87, 57, 0.5);
    background: linear-gradient(135deg, #e6d9c4, #d4c2a4);
}
.photo-item .ph-placeholder .icon-xl { width: 48px; height: 48px; }

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(40, 32, 22, 0.85);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    padding: 40px;
}
.lightbox.open { display: flex; }
.lightbox img {
    max-width: 92vw;
    max-height: 82vh;
    border-radius: 14px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.lightbox .lb-caption {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    color: #f0ebe3;
    font-size: 0.95rem;
    background: rgba(0,0,0,0.35);
    padding: 8px 20px;
    border-radius: var(--radius-pill);
}
.lightbox .lb-close {
    position: absolute;
    top: 20px; right: 24px;
    width: 44px; height: 44px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.15);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}
.lightbox .lb-close .icon { width: 20px; height: 20px; }
.lightbox .lb-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px; height: 48px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.15);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}
.lightbox .lb-nav .icon-lg { width: 24px; height: 24px; vertical-align: 0; }
.lightbox .lb-prev { left: 20px; }
.lightbox .lb-next { right: 20px; }

/* ---------------- 通讯录 ---------------- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 18px;
}
.contact-card {
    display: flex;
    gap: 14px;
    align-items: center;
    padding: 18px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--glass-shadow-hover); }
.contact-avatar {
    width: 56px; height: 56px;
    flex-shrink: 0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-lighter), var(--accent-light));
    color: #fff;
}
.contact-avatar .icon-lg { width: 28px; height: 28px; vertical-align: 0; }
.contact-phone {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.contact-phone .icon-sm { color: var(--accent); }
.contact-phone-secret {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--text-muted);
}
.contact-name { font-weight: 700; font-size: 1rem; }
.contact-role {
    font-size: 0.78rem;
    color: var(--accent-dark);
    background: rgba(196,168,130,0.3);
    padding: 1px 10px;
    border-radius: var(--radius-pill);
    margin-left: 6px;
}
.contact-phone { font-size: 0.88rem; color: var(--text-secondary); margin-top: 3px; }
.contact-note { font-size: 0.78rem; color: var(--text-muted); }
.group-title {
    margin: 22px 4px 12px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-dark);
}
.mask-tip {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-muted);
    background: rgba(255,255,255,0.35);
    border: 1px dashed var(--accent-lighter);
    border-radius: 12px;
    padding: 10px 16px;
    margin-bottom: 18px;
}
.mask-tip .icon-sm { flex-shrink: 0; color: var(--accent); }
.mask-tip-ok {
    border-color: rgba(111,143,95,0.4);
    color: var(--success);
}
.mask-tip-ok .icon-sm { color: var(--success); }

/* ---------------- 录取查询 ---------------- */
.search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.search-box input {
    flex: 1;
    min-width: 200px;
    padding: 12px 20px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--glass-border);
    background: rgba(255,255,255,0.5);
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-primary);
    outline: none;
}
.search-box input:focus { border-color: var(--accent-light); box-shadow: 0 0 0 3px rgba(168,137,106,0.2); }

.result-table { width: 100%; border-collapse: collapse; }
.result-table th, .result-table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid rgba(139,111,78,0.12);
    font-size: 0.92rem;
}
.result-table th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.82rem;
    white-space: nowrap;
}
.result-table tr:hover td { background: rgba(255,255,255,0.3); }
.school-tag {
    display: inline-block;
    padding: 3px 12px;
    border-radius: var(--radius-pill);
    font-size: 0.82rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
}
.batch-tag {
    font-size: 0.78rem;
    color: var(--accent-dark);
    background: rgba(196,168,130,0.35);
    padding: 2px 10px;
    border-radius: var(--radius-pill);
}
.empty-tip {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}
.empty-tip {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.empty-tip .icon-xl { color: var(--accent-light); width: 46px; height: 46px; }
td.empty-tip { display: table-cell; }
.empty-tip .btn { margin-top: 6px; }

/* CSS 条形图 */
.bar-chart { margin-top: 8px; }
.bar-row {
    display: grid;
    grid-template-columns: 170px 1fr 60px;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}
.bar-label { font-size: 0.9rem; color: var(--text-secondary); text-align: right; }
.bar-track {
    height: 26px;
    background: rgba(255,255,255,0.4);
    border-radius: var(--radius-pill);
    overflow: hidden;
    border: 1px solid var(--glass-border);
}
.bar-fill {
    height: 100%;
    border-radius: var(--radius-pill);
    background: linear-gradient(90deg, var(--accent-lighter), var(--accent));
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 12px;
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    width: 0;
    transition: width 1s ease;
}
.bar-value { font-weight: 700; color: var(--accent-dark); }

/* ---------------- 文件列表 ---------------- */
.file-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-radius: var(--radius-card);
    transition: all 0.25s ease;
    border: 1px solid transparent;
    flex-wrap: wrap;
}
.file-item:hover {
    background: rgba(255,255,255,0.3);
    border-color: var(--glass-border);
}
.file-icon {
    width: 48px; height: 48px;
    flex-shrink: 0;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: linear-gradient(135deg, var(--accent-lighter), var(--accent-light));
}
.file-icon .icon-lg { width: 24px; height: 24px; vertical-align: 0; }
.file-info { flex: 1; min-width: 180px; }
.file-name { font-weight: 600; }
.file-meta { font-size: 0.8rem; color: var(--text-muted); }

/* ---------------- 留言板 ---------------- */
.msg-form { margin-bottom: 28px; }
.msg-list { display: flex; flex-direction: column; gap: 14px; }
.msg-card { padding: 18px 22px; }
.msg-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}
.msg-avatar {
    width: 40px; height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-lighter), var(--accent-light));
    color: #fff;
}
.msg-avatar .icon-sm { width: 20px; height: 20px; vertical-align: 0; }
.msg-avatar-c1 { background: linear-gradient(135deg, #c4a882, #a8896a); }
.msg-avatar-c2 { background: linear-gradient(135deg, #a8b08c, #8a9672); }
.msg-avatar-c3 { background: linear-gradient(135deg, #b09a86, #8b6f4e); }
.msg-avatar-c4 { background: linear-gradient(135deg, #9aa8b8, #7d8fa8); }
.msg-avatar-c5 { background: linear-gradient(135deg, #c0a0a0, #a07a78); }
.msg-contact {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.hint-line {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.hint-line .icon-sm { flex-shrink: 0; }
.flash-line { display: flex; align-items: center; gap: 6px; }
.flash-line .icon-sm { flex-shrink: 0; }
.msg-nick { font-weight: 700; }
.msg-time { font-size: 0.78rem; color: var(--text-muted); margin-left: auto; }
.msg-content { color: var(--text-secondary); white-space: pre-wrap; word-break: break-word; }
.msg-contact { font-size: 0.8rem; color: var(--text-muted); margin-top: 8px; }

/* ---------------- 表单 ---------------- */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.form-control {
    width: 100%;
    padding: 11px 16px;
    border-radius: 12px;
    border: 1px solid rgba(139,111,78,0.2);
    background: rgba(255,255,255,0.55);
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control:focus {
    border-color: var(--accent-light);
    box-shadow: 0 0 0 3px rgba(168,137,106,0.18);
}
textarea.form-control { min-height: 120px; resize: vertical; line-height: 1.7; }
.form-hint { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.captcha-row { display: flex; gap: 10px; align-items: center; }
.captcha-q {
    font-weight: 700;
    color: var(--accent-dark);
    background: rgba(255,255,255,0.5);
    border: 1px dashed var(--accent-lighter);
    border-radius: 12px;
    padding: 8px 16px;
    white-space: nowrap;
    font-size: 0.95rem;
}
.captcha-row .form-control { max-width: 140px; }

/* ---------------- 表格（后台/课表） ---------------- */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-card);
}
.table {
    width: 100%;
    border-collapse: collapse;
    background: transparent;
}
.table th, .table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid rgba(139,111,78,0.12);
    font-size: 0.92rem;
    vertical-align: middle;
}
.table th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.82rem;
    white-space: nowrap;
    background: rgba(255,255,255,0.25);
}
.table tr:hover td { background: rgba(255,255,255,0.28); }
.table .actions { white-space: nowrap; text-align: right; }
.table .actions .btn { margin-left: 6px; }

.schedule-table td, .schedule-table th {
    text-align: center;
    border: 1px solid rgba(139,111,78,0.15);
    padding: 10px 8px;
    font-size: 0.88rem;
}
.schedule-table th {
    background: rgba(196,168,130,0.3);
    color: var(--accent-dark);
}
.schedule-table .period-cell {
    background: rgba(255,255,255,0.3);
    font-weight: 700;
    color: var(--accent-dark);
    white-space: nowrap;
}
.schedule-table .noon-cell {
    background: rgba(196,168,130,0.18);
    color: var(--text-muted);
    font-size: 0.82rem;
}

.duty-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}
.duty-item {
    padding: 14px 16px;
    border-radius: 14px;
    background: rgba(255,255,255,0.4);
    border: 1px solid var(--glass-border);
}
.duty-item .week {
    font-weight: 700;
    color: var(--accent-dark);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.duty-item .week .icon-sm { color: var(--accent); }
.schedule-table .noon-cell {
    display: table-cell;
}
.article-meta .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.article-meta .icon-sm { color: var(--text-muted); }
.duty-item .names { font-size: 0.9rem; color: var(--text-secondary); }

/* ---------------- 提示条 ---------------- */
.flash {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 12px;
    margin-bottom: 18px;
    font-size: 0.92rem;
    border: 1px solid;
}
.flash .icon-sm { flex-shrink: 0; }
.flash-success { background: rgba(111,143,95,0.15); border-color: rgba(111,143,95,0.3); color: var(--success); }
.flash-error   { background: rgba(181,83,75,0.12); border-color: rgba(181,83,75,0.3); color: var(--danger); }
.flash-info    { background: rgba(125,143,168,0.15); border-color: rgba(125,143,168,0.3); color: var(--info); }

/* ---------------- 分页 ---------------- */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 28px;
    flex-wrap: wrap;
}
.page-btn {
    min-width: 38px;
    padding: 8px 14px;
    text-align: center;
    border-radius: var(--radius-pill);
    background: rgba(255,255,255,0.4);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}
.page-btn:hover { background: rgba(255,255,255,0.7); }
.page-btn.current {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* ---------------- 页脚 ---------------- */
.site-footer {
    max-width: 1080px;
    margin: 20px auto 40px;
    padding: 0 20px;
}
.footer-inner { text-align: center; padding: 28px 24px; }
.footer-slogan {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--accent-dark);
    margin-bottom: 8px;
}
.footer-inner p { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 4px; }
.footer-links a { color: var(--text-secondary); }
.footer-links .dot { margin: 0 8px; color: var(--text-muted); }
.footer-copy { margin-top: 8px; font-size: 0.78rem !important; opacity: 0.8; }

/* ---------------- 登录页 ---------------- */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.login-card {
    width: 100%;
    max-width: 420px;
    padding: 36px 32px;
    text-align: center;
}
.login-card .login-emoji {
    width: 72px; height: 72px;
    margin: 0 auto 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    color: #fff;
    box-shadow: 0 8px 22px rgba(139, 111, 78, 0.35);
}
.login-card .login-emoji .icon-xl { width: 36px; height: 36px; vertical-align: 0; }
.login-card h1 { font-size: 1.4rem; margin: 10px 0 4px; }
.login-card .sub { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 24px; }
.login-back { display: block; margin-top: 18px; font-size: 0.85rem; color: var(--text-muted); }

/* ---------------- 后台布局 ---------------- */
.admin-body { background: var(--bg-primary); }
.admin-layout {
    display: grid;
    grid-template-columns: 230px 1fr;
    min-height: 100vh;
}
.admin-sidebar {
    background: rgba(255,255,255,0.3);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-right: 1px solid var(--glass-border);
    padding: 24px 14px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}
.admin-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    font-size: 1.05rem;
    padding: 0 10px 18px;
    border-bottom: 1px solid rgba(139,111,78,0.12);
    margin-bottom: 14px;
}
.admin-brand .icon { color: var(--accent); }
.admin-nav { display: flex; flex-direction: column; gap: 2px; }
.admin-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 0.92rem;
    transition: all 0.2s;
}
.admin-nav a:hover { background: rgba(255,255,255,0.5); color: var(--accent-dark); }
.admin-nav a.active {
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    color: #fff;
    box-shadow: 0 4px 14px rgba(139,111,78,0.3);
}
.admin-nav .nav-sep {
    font-size: 0.72rem;
    color: var(--text-muted);
    padding: 14px 14px 4px;
    letter-spacing: 2px;
}
.admin-main { padding: 28px 32px; min-width: 0; }
.admin-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
    flex-wrap: wrap;
    gap: 10px;
}
.admin-topbar h1 { font-size: 1.4rem; }
.admin-topbar .user-info {
    font-size: 0.88rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}
.admin-topbar .user-info .icon-sm { color: var(--accent); }
.admin-topbar h1 {
    display: flex;
    align-items: center;
    gap: 10px;
}
.admin-topbar .user-info a { margin-left: 12px; }
.admin-card { margin-bottom: 22px; }
.admin-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 16px;
    margin-bottom: 22px;
}
.admin-toggle { display: none; }

.switch-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    cursor: pointer;
}
.switch-label input { width: 18px; height: 18px; accent-color: var(--accent); }

.check-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 8px;
}
.check-grid label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 10px;
    background: rgba(255,255,255,0.35);
    font-size: 0.88rem;
    cursor: pointer;
}
.check-grid input { accent-color: var(--accent); }

.logo-preview {
    width: 80px; height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: linear-gradient(135deg, var(--accent-lighter), var(--accent-light));
}
.logo-preview .icon-xl { width: 40px; height: 40px; vertical-align: 0; }
.search-box .btn { white-space: nowrap; }

/* ---------------- 动画 ---------------- */
.fade-in { animation: fadeIn 0.5s ease both; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 900px) {
    .grid-3 { grid-template-columns: 1fr 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
    .admin-layout { grid-template-columns: 1fr; }
    .admin-sidebar {
        position: fixed;
        left: 0; top: 0; bottom: 0;
        z-index: 200;
        width: 250px;
        transform: translateX(-105%);
        transition: transform 0.3s ease;
    }
    .admin-sidebar.open { transform: translateX(0); box-shadow: 0 0 40px rgba(0,0,0,0.3); }
    .admin-toggle {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .admin-main { padding: 20px 16px; }
    .bar-row { grid-template-columns: 110px 1fr 48px; gap: 10px; }
    .bar-label { font-size: 0.82rem; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .main-nav {
        position: absolute;
        top: calc(100% + 8px);
        left: 0; right: 0;
        flex-direction: column;
        align-items: stretch;
        background: rgba(240, 235, 227, 0.92);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border: 1px solid var(--glass-border);
        border-radius: 20px;
        padding: 12px;
        box-shadow: var(--glass-shadow);
        display: none;
    }
    .main-nav.open { display: flex; }
    .nav-pill { padding: 12px 16px; font-size: 1rem; }
    .hero { padding: 40px 22px; }
    .hero h1 { font-size: 1.7rem; }
    .page-main { padding-top: 90px; }
    .grid-3 { grid-template-columns: 1fr; }
    .photo-wall { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .form-row { grid-template-columns: 1fr; }
    .news-item { padding: 14px; }
    .bar-row { grid-template-columns: 96px 1fr 44px; }
}

@media (max-width: 480px) {
    .photo-wall { grid-template-columns: 1fr 1fr; }
    .hero h1 { font-size: 1.45rem; }
    .stat-num { font-size: 1.6rem; }
    .table th, .table td { padding: 9px 10px; font-size: 0.84rem; }
}

/* ============================================================
   自定义确认弹窗（替代浏览器原生 confirm）
   ============================================================ */
.cm-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(61, 52, 40, 0.35);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .22s ease, visibility .22s ease;
}
.cm-overlay.open {
    opacity: 1;
    visibility: visible;
}
.cm-dialog {
    width: 100%;
    max-width: 380px;
    padding: 28px 24px 22px;
    text-align: center;
    border-radius: 20px;
    transform: translateY(16px) scale(.96);
    transition: transform .25s cubic-bezier(.34, 1.4, .64, 1);
}
.cm-overlay.open .cm-dialog {
    transform: translateY(0) scale(1);
}
.cm-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--danger), #d4877f);
    color: #fff;
    box-shadow: 0 8px 20px rgba(181, 83, 75, .35);
}
.cm-icon .icon {
    width: 26px;
    height: 26px;
}
.cm-title {
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.cm-msg {
    font-size: .95rem;
    line-height: 1.65;
    color: var(--text-secondary);
    margin-bottom: 22px;
    word-break: break-word;
}
.cm-actions {
    display: flex;
    gap: 12px;
}
.cm-actions .btn {
    flex: 1;
    justify-content: center;
}
@media (max-width: 420px) {
    .cm-dialog { padding: 24px 18px 18px; }
    .cm-actions { gap: 10px; }
}

/* ============================================================
   座位表 / 值日轮换 / 设置开关（v2 新增）
   ============================================================ */

/* ---- 今日值日大卡 ---- */
.duty-today-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 20px 24px;
    border-left: 5px solid var(--accent);
}
.duty-today-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}
.duty-today-names {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.duty-today-name {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 10px 22px;
    border-radius: var(--radius-pill);
    background: linear-gradient(135deg, var(--accent-lighter), var(--accent-light));
    color: #fff;
    font-size: 1.25rem;
    font-weight: 700;
    box-shadow: 0 6px 18px rgba(139, 111, 78, 0.3);
}
.duty-today-name small {
    font-size: 0.7rem;
    font-weight: 400;
    opacity: 0.85;
}

/* 值日列表高亮今天 */
.duty-item-active {
    border-color: var(--accent-lighter);
    box-shadow: 0 6px 20px rgba(139, 111, 78, 0.18);
    background: var(--glass-bg-strong);
}
.duty-item .week small { font-size: 0.72rem; color: var(--text-muted); font-weight: 400; }

/* ---- 教室平面 / 座位表 ---- */
.classroom-card { overflow-x: auto; }
.blackboard {
    margin: 0 auto 22px;
    max-width: 420px;
    text-align: center;
    padding: 10px 16px;
    border-radius: 10px;
    background: linear-gradient(180deg, rgba(109, 87, 57, 0.12), rgba(109, 87, 57, 0.05));
    border: 1.5px dashed rgba(109, 87, 57, 0.35);
    color: var(--accent-dark);
    font-weight: 700;
    letter-spacing: 4px;
}
.seat-room {
    display: grid;
    gap: 8px 6px;
    min-width: max-content;
    margin: 0 auto;
    justify-content: center;
}
/* 左侧排号轴 */
.axis-corner { height: 26px; }
.axis-row {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}
.seat-aisle-cell { min-width: 4px; }
.seat-group-title {
    text-align: center;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--accent-dark);
    height: 26px;
    line-height: 26px;
}
.seat-cell {
    width: 88px;
    min-height: 48px;
    padding: 6px 8px;
    border-radius: 12px;
    background: var(--glass-bg-strong);
    border: 1.5px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 3px 10px rgba(109, 87, 57, 0.08);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.seat-cell:hover { transform: translateY(-2px); box-shadow: var(--glass-shadow-hover); }
.seat-name {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
    word-break: break-all;
    line-height: 1.25;
}
.seat-empty {
    background: transparent;
    border: 1.5px dashed rgba(154, 139, 122, 0.45);
    box-shadow: none;
}
.seat-vacant { color: rgba(154, 139, 122, 0.6); display: flex; }
/* 今日值日座位高亮 */
.seat-duty {
    background: linear-gradient(135deg, var(--accent-lighter), var(--accent-light));
    border-color: var(--accent);
    box-shadow: 0 6px 18px rgba(139, 111, 78, 0.4);
    position: relative;
}
.seat-duty .seat-name { color: #fff; }
.seat-duty::after {
    content: "今日值日";
    position: absolute;
    top: -9px;
    right: -6px;
    font-size: 0.6rem;
    line-height: 1;
    padding: 3px 6px;
    border-radius: var(--radius-pill);
    background: var(--danger);
    color: #fff;
    white-space: nowrap;
}
.seat-legend {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 18px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
}
.seat-legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend-box { width: 16px; height: 16px; border-radius: 5px; display: inline-block; }
.legend-duty { background: linear-gradient(135deg, var(--accent-lighter), var(--accent-light)); }
.legend-seat { background: var(--glass-bg-strong); border: 1.5px solid var(--glass-border); }
.legend-empty { background: transparent; border: 1.5px dashed rgba(154, 139, 122, 0.5); }

/* ---- 后台座位编辑 ---- */
.seat-edit-group-title {
    font-size: 0.98rem;
    margin: 18px 0 8px;
    padding-left: 10px;
    border-left: 4px solid var(--accent-light);
    color: var(--accent-dark);
}
.seat-edit-table .seat-input { min-width: 130px; }
.duty-current-box {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    padding: 12px 16px;
    border-radius: 12px;
    background: rgba(139, 111, 78, 0.1);
}
.duty-current-names { font-weight: 700; color: var(--accent-dark); }

/* 锁定的初�
/* ================= 前后端分离版补充：Toast / 品牌文字 ================= */
.brand-text { font-weight: 700; letter-spacing: .2px; }

.site-toast {
    position: fixed;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    pointer-events: none;
    width: min(92vw, 420px);
}
.toast-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 16px;
    border-radius: var(--radius, 14px);
    background: rgba(46, 36, 25, .92);
    color: #f7f1e7;
    font-size: .92rem;
    line-height: 1.4;
    box-shadow: 0 10px 30px rgba(0,0,0,.22);
    backdrop-filter: blur(8px);
    opacity: 0;
    transform: translateY(-12px);
    transition: opacity .28s ease, transform .28s ease;
}
.toast-item.show { opacity: 1; transform: translateY(0); }
.toast-item svg { width: 18px; height: 18px; flex: none; }
.toast-success { background: rgba(58, 157, 93, .95); }
.toast-error   { background: rgba(199, 79, 61, .95); }
.toast-info    { background: rgba(46, 36, 25, .92); }

.cm-dialog.cm-danger .cm-icon { background: rgba(199, 79, 61, .14); color: #c74f3d; }

/* 加载旋转 */
@keyframes site-spin { to { transform: rotate(360deg); } }
.spin { animation: site-spin .8s linear infinite; }

/* ---------------- 上传实时进度条 ---------------- */
.upload-progress {
    margin-top: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}
.upload-progress .up-head {
    display: flex; align-items: center; justify-content: space-between;
    font-size: .86rem; color: var(--text-secondary); margin-bottom: 8px;
}
.upload-progress .up-label { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }
.upload-progress .up-percent { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--accent-dark); }
.upload-progress .up-track {
    height: 8px; border-radius: 9999px; overflow: hidden;
    background: rgba(109, 87, 57, .14);
}
.upload-progress .up-fill {
    height: 100%; width: 0%;
    border-radius: 9999px;
    background: linear-gradient(90deg, var(--accent-lighter), var(--accent));
    transition: width .18s ease;
}
.upload-progress .up-meta {
    display: flex; align-items: center; justify-content: space-between;
    margin-top: 7px; font-size: .78rem; color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}
.upload-progress.is-done .up-fill { background: linear-gradient(90deg, #8aa87a, var(--success)); }
.upload-progress.is-done .up-percent { color: var(--success); }
.upload-progress.is-fail .up-fill { background: linear-gradient(90deg, #d08a82, var(--danger)); }
.upload-progress.is-fail .up-percent { color: var(--danger); }