/* my · 立信新生指南 - 样式表 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-tap-highlight-color: transparent; }
body { font-family: 'Noto Sans SC', system-ui, -apple-system, sans-serif; background-color: #FFF8F0; color: #2C2C2C; line-height: 1.6; -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; -webkit-user-drag: none; user-drag: none; }
.dark body { background-color: #1A1816; color: #F5F0E8; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #FFD4A8; border-radius: 4px; }
.dark ::-webkit-scrollbar-thumb { background: #5A5045; }
::-webkit-scrollbar-thumb:hover { background: #A69B8C; }
.scrollbar-hide::-webkit-scrollbar { display: none; }
.scrollbar-hide { -ms-overflow-style: none; scrollbar-width: none; }
body, p, h1, h2, h3, h4, h5, h6, span, div, li, td, th, blockquote, a, button, input, textarea { -webkit-user-select: none !important; -moz-user-select: none !important; -ms-user-select: none !important; user-select: none !important; }
img { -webkit-user-drag: none !important; user-drag: none !important; pointer-events: none; }
input[type="text"], input[type="search"], textarea, input[type="file"] { -webkit-user-select: text !important; -moz-user-select: text !important; -ms-user-select: text !important; user-select: text !important; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
.animate-float { animation: float 6s ease-in-out infinite; }
@keyframes fadeInUp { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)} }
.card-enter { animation: fadeInUp 0.5s ease-out forwards; opacity: 0; }
@keyframes fadeIn { from{opacity:0} to{opacity:1} }
@keyframes scaleIn { from{opacity:0;transform:scale(0.95)} to{opacity:1;transform:scale(1)} }
#progress-bar { position: fixed; top: 0; left: 0; height: 3px; background: linear-gradient(90deg, #FF8C42, #FFB84D); z-index: 60; width: 0%; transition: width 0.1s linear; }
.glass { background: rgba(255,255,255,0.85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.dark .glass { background: rgba(15,23,42,0.85); }
#navbar { transition: all 0.3s ease; }
#search-overlay { transition: opacity 0.2s ease; }
#search-overlay.hidden { opacity: 0; pointer-events: none; }
#search-overlay:not(.hidden) { opacity: 1; pointer-events: auto; }
.guide-card { transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); border-radius: 20px !important; background: linear-gradient(135deg, #FFF8F0 0%, #FFF0E0 100%); border: none !important; box-shadow: 0 2px 8px rgba(255,140,66,0.08); }
.guide-card:hover { transform: translateY(-4px); box-shadow: 0 12px 24px -4px rgba(255,140,66,0.15); background: linear-gradient(135deg, #FFF0E0 0%, #FFE8D0 100%); }
.guide-card .card-icon { transition: transform 0.3s ease; }
.guide-card:hover .card-icon { transform: scale(1.1) rotate(-3deg); }
.guide-card .card-arrow { opacity: 0; transform: translateX(-4px); transition: all 0.2s ease; }
.guide-card:hover .card-arrow { opacity: 1; transform: translateX(0); }
.cat-入学必备 .cat-badge { background: #FDF2F0; color: #F5A623; }
.dark .cat-入学必备 .cat-badge { background: #1e3a8a; color: #FCE8E4; }
.cat-学业核心 .cat-badge { background: #FDF2F0; color: #E8852C; }
.dark .cat-学业核心 .cat-badge { background: #4c1d95; color: #FCE8E4; }
.cat-成长发展 .cat-badge { background: #F0F7F2; color: #2D8B5E; }
.dark .cat-成长发展 .cat-badge { background: #064e3b; color: #A7D4BC; }
.cat-校园生活 .cat-badge { background: #FDF5ED; color: #A65A2E; }
.dark .cat-校园生活 .cat-badge { background: #7c2d12; color: #F5C99A; }
.cat-实用工具 .cat-badge { background: #FFF8F0; color: #5A5045; }
.dark .cat-实用工具 .cat-badge { background: #4A4540; color: #FFD4A8; }
#detail-view.hidden { display: none !important; }
.toc-link { display: block; padding: 6px 12px; border-radius: 6px; border-left: 3px solid transparent; font-size: 13px; color: #7A6F5F; text-decoration: none; transition: all 0.2s ease; margin-bottom: 2px; }
.dark .toc-link { color: #A69B8C; }
.toc-link:hover { color: #FF8C42; background: rgba(99,102,241,0.06); }
.dark .toc-link:hover { color: #E8A090; background: rgba(129,140,248,0.08); }
.toc-link.active { color: #FF8C42; font-weight: 600; border-left-color: #FF8C42; background: linear-gradient(90deg, rgba(99,102,241,0.08), transparent); }
.dark .toc-link.active { color: #E8A090; border-left-color: #E8A090; background: linear-gradient(90deg, rgba(129,140,248,0.1), transparent); }
#detail-content h1 { font-size: 1.875rem; font-weight: 700; margin: 1.5rem 0 1rem; color: #1A1816; line-height: 1.3; font-family: Noto Serif SC, serif; }
.dark #detail-content h1 { color: #FFF8F0; }
#detail-content h2 { font-size: 1.5rem; font-weight: 700; margin: 2.5rem 0 1.25rem; padding-bottom: 0.5rem; border-bottom: 2px solid #FFE8D0; color: #2C2C2C; scroll-margin-top: 100px; font-family: Noto Serif SC, serif; }
.dark #detail-content h2 { color: #F5F0E8; border-bottom-color: #4A4540; }
#detail-content h3 { font-size: 1.25rem; font-weight: 600; margin: 2rem 0 0.75rem; color: #4A4540; scroll-margin-top: 100px; }
.dark #detail-content h3 { color: #FFD4A8; }
#detail-content h4 { font-size: 1.125rem; font-weight: 600; margin: 1.5rem 0 0.5rem; color: #5A5045; }
.dark #detail-content h4 { color: #A69B8C; }
#detail-content p { margin: 0.75rem 0; line-height: 1.8; color: #5A5045; }
.dark #detail-content p { color: #FFD4A8; }
#detail-content ul { list-style: disc; padding-left: 1.5rem; margin: 0.75rem 0; }
#detail-content ul li { margin: 0.5rem 0; color: #5A5045; line-height: 1.7; }
.dark #detail-content ul li { color: #FFD4A8; }
#detail-content blockquote { border-left: 4px solid #FF8C42; border-radius: 0 12px 12px 0; padding: 1rem 1.25rem; margin: 1.25rem 0; background: #FFF8F0; border-radius: 0 8px 8px 0; font-style: italic; color: #5A5045; }
.dark #detail-content blockquote { background: #2C2C2C; color: #A69B8C; }
#detail-content blockquote p { margin: 0.25rem 0; }
#detail-content table { width: 100%; border-collapse: collapse; margin: 1.25rem 0; font-size: 0.875rem; border-radius: 8px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
#detail-content th { background: #F5F0E8; padding: 12px 16px; text-align: left; font-weight: 600; color: #4A4540; border-bottom: 2px solid #FFE8D0; }
.dark #detail-content th { background: #4A4540; color: #FFE8D0; border-bottom-color: #5A5045; }
#detail-content td { padding: 10px 16px; border-bottom: 1px solid #F5F0E8; color: #5A5045; }
.dark #detail-content td { color: #FFD4A8; border-bottom-color: #4A4540; }
#detail-content tr:nth-child(even) { background: #FFF8F0; }
.dark #detail-content tr:nth-child(even) { background: #2C2C2C; }
#detail-content tr:hover { background: #F5F0E8; }
.dark #detail-content tr:hover { background: #4A4540; }
#detail-content strong { font-weight: 600; color: #1A1816; }
.dark #detail-content strong { color: #FFF8F0; }
#detail-content code { background: #F5F0E8; padding: 2px 6px; border-radius: 4px; font-family: 'SF Mono', Monaco, monospace; font-size: 0.85em; color: #FF8C42; }
.dark #detail-content code { background: #4A4540; color: #E8A090; }
#detail-content a { color: #FF8C42; text-decoration: none; border-bottom: 1px dotted #FF8C42; transition: all 0.2s; }
.dark #detail-content a { color: #E8A090; border-bottom-color: #E8A090; }
#detail-content a:hover { color: #E8852C; border-bottom-style: solid; }
.search-highlight { background: rgba(245, 158, 11, 0.35); border-radius: 2px; padding: 0 2px; }
#back-to-top { transition: all 0.3s ease; }
#back-to-top.visible { transform: translateY(0); opacity: 1; }
#welcome-modal { transition: opacity 0.3s ease; }
#welcome-modal.hidden { opacity: 0; pointer-events: none; }
#welcome-modal:not(.hidden) { opacity: 1; pointer-events: auto; }
#welcome-modal .modal-content { animation: scaleIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.wechat-card { background: linear-gradient(135deg, #F0F7F2 0%, #d1fae5 100%); border: 1px solid #FFD4A8; position: relative; overflow: hidden; }
.dark .wechat-card { background: linear-gradient(135deg, #064e3b 0%, #2D8B5E 100%); border-color: #059669; }
.wechat-card::before { content: ""; position: absolute; top: -20px; right: -20px; width: 80px; height: 80px; background: rgba(16, 185, 129, 0.1); border-radius: 50%; }
.wechat-id { font-family: 'SF Mono', monospace; letter-spacing: 1px; background: rgba(255,255,255,0.6); padding: 4px 12px; border-radius: 6px; border: 1px dashed #10b981; display: inline-block; }
.dark .wechat-id { background: rgba(0,0,0,0.3); border-color: #34d399; }


.gallery-hero { background: linear-gradient(135deg, #FF8C42 0%, #F5A623 50%, #FFB84D 100%); position: relative; overflow: hidden; }
.gallery-hero::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.gallery-item { break-inside: avoid; margin-bottom: 1.5rem; }
.gallery-card { position: relative; border-radius: 16px; overflow: hidden; background: white; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1); transition: all 0.3s ease; cursor: pointer; }
.dark .gallery-card { background: #2C2C2C; }
.gallery-card:hover { transform: translateY(-4px); box-shadow: 0 20px 25px -5px rgba(0,0,0,0.15); }
.gallery-card .gallery-image { width: 100%; height: 220px; object-fit: cover; transition: transform 0.5s ease; pointer-events: none; }
.gallery-card:hover .gallery-image { transform: scale(1.05); }
.gallery-card .gallery-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%); opacity: 0; transition: opacity 0.3s ease; display: flex; align-items: flex-end; padding: 1rem; }
.gallery-card:hover .gallery-overlay { opacity: 1; }
.gallery-card .gallery-title { color: white; font-weight: 600; font-size: 1rem; text-shadow: 0 2px 4px rgba(0,0,0,0.3); }
.gallery-card .gallery-content { padding: 1rem; }
.gallery-card .gallery-text { color: #7A6F5F; font-size: 0.875rem; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.dark .gallery-card .gallery-text { color: #A69B8C; }
.gallery-card .gallery-module-tag { position: absolute; top: 12px; left: 12px; padding: 4px 10px; border-radius: 999px; font-size: 0.75rem; font-weight: 600; color: white; background: rgba(0,0,0,0.5); backdrop-filter: blur(4px); }
.lightbox { position: fixed; inset: 0; z-index: 100; background: rgba(0,0,0,0.92); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; }
.lightbox.active { opacity: 1; pointer-events: auto; }
.lightbox img { max-width: 90vw; max-height: 85vh; object-fit: contain; border-radius: 8px; box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5); }
.lightbox .lightbox-info { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); text-align: center; color: white; max-width: 600px; padding: 0 1rem; }
.lightbox .lightbox-close { position: absolute; top: 1.5rem; right: 1.5rem; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.1); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.2); color: white; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.2s; }
.lightbox .lightbox-close:hover { background: rgba(255,255,255,0.2); }
.module-tab { padding: 8px 20px; border-radius: 999px; font-size: 0.875rem; font-weight: 500; cursor: pointer; transition: all 0.2s ease; border: 2px solid transparent; white-space: nowrap; }
.module-tab:hover { transform: translateY(-1px); }
.module-tab.active { color: white; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1); }


.admin-sidebar { width: 260px; min-height: 100vh; background: #2C2C2C; color: white; position: fixed; left: 0; top: 0; z-index: 50; }
.admin-sidebar .admin-logo { padding: 1.5rem; border-bottom: 1px solid #4A4540; }
.admin-sidebar .admin-nav { padding: 1rem 0; }
.admin-sidebar .admin-nav-item { padding: 0.75rem 1.5rem; display: flex; align-items: center; gap: 0.75rem; cursor: pointer; transition: all 0.2s; color: #A69B8C; text-decoration: none; }
.admin-sidebar .admin-nav-item:hover { background: #4A4540; color: white; }
.admin-sidebar .admin-nav-item.active { background: #FF8C42; color: white; }
.admin-main { margin-left: 260px; min-height: 100vh; background: #F5F0E8; }
.dark .admin-main { background: #1A1816; }
.admin-card { background: white; border-radius: 12px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); padding: 1.5rem; }
.dark .admin-card { background: #2C2C2C; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th { text-align: left; padding: 12px 16px; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; color: #7A6F5F; border-bottom: 1px solid #FFE8D0; background: #FFF8F0; }
.dark .admin-table th { color: #A69B8C; border-bottom-color: #4A4540; background: #2C2C2C; }
.admin-table td { padding: 12px 16px; font-size: 0.875rem; color: #4A4540; border-bottom: 1px solid #F5F0E8; }
.dark .admin-table td { color: #FFD4A8; border-bottom-color: #4A4540; }
.admin-table tr:hover td { background: #FFF8F0; }
.dark .admin-table tr:hover td { background: #4A4540; }
.admin-btn { padding: 8px 16px; border-radius: 8px; font-size: 0.875rem; font-weight: 500; cursor: pointer; transition: all 0.2s; border: none; display: inline-flex; align-items: center; gap: 6px; }
.admin-btn-primary { background: #FF8C42; color: white; }
.admin-btn-primary:hover { background: #E8852C; }
.admin-btn-danger { background: #ef4444; color: white; }
.admin-btn-danger:hover { background: #dc2626; }
.admin-btn-secondary { background: #F5F0E8; color: #5A5045; }
.dark .admin-btn-secondary { background: #4A4540; color: #FFD4A8; }
.admin-btn-secondary:hover { background: #FFE8D0; }
.admin-input { width: 100%; padding: 10px 14px; border: 1px solid #FFE8D0; border-radius: 8px; font-size: 0.875rem; transition: all 0.2s; background: white; }
.dark .admin-input { background: #2C2C2C; border-color: #4A4540; color: #F5F0E8; }
.admin-input:focus { outline: none; border-color: #FF8C42; box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1); }
.admin-textarea { min-height: 100px; resize: vertical; }
.admin-upload-zone { border: 2px dashed #FFD4A8; border-radius: 12px; padding: 2rem; text-align: center; cursor: pointer; transition: all 0.2s; background: #FFF8F0; }
.dark .admin-upload-zone { border-color: #5A5045; background: #2C2C2C; }
.admin-upload-zone:hover { border-color: #FF8C42; background: #eef2ff; }
.dark .admin-upload-zone:hover { border-color: #E8A090; background: #312e81; }
.admin-upload-zone.dragover { border-color: #FF8C42; background: #eef2ff; }
@media (max-width: 768px) {
  .admin-sidebar { transform: translateX(-100%); transition: transform 0.3s ease; }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  #detail-content h1 { font-size: 1.5rem; }
  #detail-content h2 { font-size: 1.25rem; }
  #detail-content h3 { font-size: 1.1rem; }
  #detail-content table { font-size: 0.8rem; }
  #detail-content th, #detail-content td { padding: 8px 10px; }
  .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1rem; }
}
@media print { body { display: none !important; } html::after { content: "本内容受版权保护，禁止打印"; display: block; text-align: center; padding: 50px; font-size: 18px; } }


/* ========== 步骤编号样式 ========== */
.step-list { display: flex; flex-direction: column; gap: 12px; margin: 1.25rem 0; }
.step-item { display: flex; align-items: flex-start; gap: 12px; padding: 14px 16px; background: linear-gradient(135deg, #FFF8F0 0%, #FFF0E0 100%); border-radius: 16px; border-left: 4px solid #FF8C42; }
.dark .step-item { background: linear-gradient(135deg, #2C2C2C 0%, #1A1816 100%); border-left-color: #E8852C; }
.step-num { width: 28px; height: 28px; border-radius: 50%; background: linear-gradient(135deg, #FF8C42, #FFB84D); color: white; font-weight: 700; font-size: 13px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px; }
.step-text { flex: 1; color: #5A5045; line-height: 1.6; }
.dark .step-text { color: #FFD4A8; }

/* ========== 要点卡片样式 ========== */
.tip-list { display: flex; flex-direction: column; gap: 10px; margin: 1.25rem 0; }
.tip-item { display: flex; align-items: flex-start; gap: 10px; padding: 12px 14px; background: #FFF8F0; border-radius: 14px; }
.dark .tip-item { background: #2C2C2C; }
.tip-icon { width: 24px; height: 24px; border-radius: 50%; background: linear-gradient(135deg, #FFB84D, #FF8C42); color: white; font-size: 11px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.tip-text { flex: 1; color: #5A5045; line-height: 1.6; }
.dark .tip-text { color: #FFD4A8; }

/* ========== 引用块装饰 ========== */
#detail-content blockquote { position: relative; border-left: 4px solid #FF8C42; border-radius: 0 16px 16px 0; padding: 1.25rem 1.5rem 1.25rem 2.5rem; margin: 1.25rem 0; background: #FFF8F0; font-style: normal; color: #5A5045; }
.dark #detail-content blockquote { background: #2C2C2C; color: #A69B8C; }
.quote-mark { position: absolute; top: 8px; left: 10px; font-size: 24px; color: #FF8C42; opacity: 0.4; line-height: 1; }
.dark .quote-mark { color: #E8852C; }

/* ========== 卡片视觉增强 ========== */
.guide-card { border-radius: 24px !important; padding: 24px !important; background: linear-gradient(145deg, #ffffff 0%, #FFF8F0 100%) !important; border: none !important; box-shadow: 0 4px 16px rgba(255,140,66,0.08), 0 1px 4px rgba(0,0,0,0.04) !important; transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1) !important; }
.guide-card:hover { transform: translateY(-6px) scale(1.01) !important; box-shadow: 0 16px 32px -6px rgba(255,140,66,0.18), 0 4px 8px rgba(0,0,0,0.06) !important; background: linear-gradient(145deg, #FFF0E0 0%, #FFE8D0 100%) !important; }
.guide-card .card-icon { font-size: 2.5rem; line-height: 1; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.08)); transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1); }
.guide-card:hover .card-icon { transform: scale(1.15) rotate(-5deg); }
.guide-card h3 { font-size: 1.05rem !important; letter-spacing: -0.01em; }

/* ========== 详情页标题增强 ========== */
#detail-content h1 { font-size: 2rem; font-weight: 800; margin: 1.5rem 0 1rem; color: #1A1816; line-height: 1.25; font-family: 'Noto Sans SC', sans-serif; letter-spacing: -0.02em; }
#detail-content h2 { font-size: 1.5rem; font-weight: 700; margin: 2.5rem 0 1.25rem; padding-bottom: 0.5rem; border-bottom: 3px solid #FFE8D0; color: #2C2C2C; position: relative; }
#detail-content h2::after { content: ''; position: absolute; bottom: -3px; left: 0; width: 60px; height: 3px; background: linear-gradient(90deg, #FF8C42, #FFB84D); border-radius: 3px; }
#detail-content h3 { font-size: 1.25rem; font-weight: 600; margin: 2rem 0 0.75rem; color: #4A4540; }
#detail-content strong { font-weight: 700; color: #FF8C42; background: linear-gradient(180deg, transparent 60%, rgba(255,140,66,0.15) 60%); padding: 0 2px; }
.dark #detail-content strong { color: #FFB84D; background: linear-gradient(180deg, transparent 60%, rgba(255,184,77,0.2) 60%); }

/* ========== 目录样式优化 ========== */
.toc-link { border-radius: 10px; font-size: 13px; padding: 7px 12px; margin-bottom: 3px; }
.toc-link:hover { background: rgba(255,140,66,0.08); }
.toc-link.active { background: linear-gradient(90deg, rgba(255,140,66,0.1), transparent); border-left-color: #FF8C42; }