/* ==================== 搜网盘 - 全局样式 ==================== */
:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --primary-bg: #eef2ff;
    --accent: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;
    --bg: #f8fafc;
    --bg-white: #ffffff;
    --text: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --border: #e2e8f0;
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.05);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    /* 国内友好的系统字体栈，不依赖外部字体 */
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
                 "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    /* 页面淡入，避免无样式闪烁 */
    animation: pageIn 0.3s ease-out;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==================== 导航栏 ==================== */
.navbar {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

.nav-content {
    display: flex;
    align-items: center;
    height: 64px;
    gap: 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 22px;
    font-weight: 700;
    color: var(--text) !important;
    flex-shrink: 0;
}

.logo:hover { color: var(--primary) !important; }
.logo-icon { font-size: 28px; }

.nav-links {
    display: flex;
    gap: 4px;
}

.nav-links a {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    background: var(--primary-bg);
}

.nav-search {
    margin-left: auto;
}

.nav-search-form {
    display: flex;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 50px;
    overflow: hidden;
    transition: var(--transition);
}

.nav-search-form:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.nav-search-input {
    border: none;
    background: transparent;
    padding: 8px 16px;
    font-size: 14px;
    outline: none;
    width: 200px;
    color: var(--text);
    font-family: inherit;
}

.nav-search-btn {
    border: none;
    background: var(--primary);
    color: white;
    padding: 8px 14px;
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
}

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

/* ==================== 首页 Hero ==================== */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    padding: 100px 0 72px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    animation: heroFloat 15s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, var(--bg), transparent);
    pointer-events: none;
}

@keyframes heroFloat {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(30px, -30px); }
    66% { transform: translate(-20px, 20px); }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 52px;
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
    letter-spacing: 2px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.15);
}

.hero p {
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 44px;
    font-weight: 400;
    letter-spacing: 0.5px;
}

/* ==================== 搜索框 ==================== */
.search-box {
    max-width: 700px;
    margin: 0 auto;
}

.search-form {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(10px);
    border-radius: 56px;
    padding: 6px 6px 6px 28px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15), 0 0 0 1px rgba(255,255,255,0.2) inset;
    transition: var(--transition);
}

.search-form:focus-within {
    box-shadow: 0 12px 40px rgba(0,0,0,0.2), 0 0 0 2px rgba(99,102,241,0.3);
    transform: translateY(-2px);
}

.search-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 17px;
    padding: 14px 0;
    outline: none;
    color: var(--text);
    font-family: inherit;
    min-width: 0;
}

.search-input::placeholder {
    color: var(--text-light);
}

.search-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    padding: 14px 40px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    font-family: inherit;
}

.search-btn:hover {
    transform: scale(1.03);
    box-shadow: 0 4px 16px rgba(99,102,241,0.45);
}

/* 热门搜索标签 */
.hot-tags {
    margin-top: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px 10px;
}

.hot-tags-label {
    color: rgba(255,255,255,0.8);
    font-size: 14px;
    margin-right: 4px;
    flex-shrink: 0;
}

.hot-tag {
    display: inline-block;
    padding: 5px 16px;
    background: rgba(255,255,255,0.18);
    color: white;
    border-radius: 50px;
    font-size: 13px;
    transition: var(--transition);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.15);
}

.hot-tag:hover {
    background: rgba(255,255,255,0.35);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

/* ==================== 通用区块 ==================== */
.section { padding: 56px 0; }
.section:nth-child(even) {
    background: var(--bg-white);
}

.section-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
}

/* ==================== 网盘来源卡片 ==================== */
.source-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.source-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    display: flex;
    align-items: center;
    gap: 18px;
    transition: var(--transition);
    cursor: pointer;
}

.source-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.source-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    flex-shrink: 0;
}

.source-info {
    flex: 1;
    min-width: 0;
}

.source-info h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.source-info p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.source-link {
    padding: 8px 20px;
    background: var(--primary-bg);
    color: var(--primary);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    flex-shrink: 0;
    transition: var(--transition);
}

.source-link:hover {
    background: var(--primary);
    color: white;
}

/* ==================== 分类导航 ==================== */
.category-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.category-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 16px 24px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
    color: var(--primary);
}

.category-icon {
    font-size: 36px;
    display: block;
    line-height: 1;
}

.category-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
}

.category-card:hover .category-name {
    color: var(--primary);
}

/* ==================== 使用步骤 ==================== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.step-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 20px 28px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.step-num {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-radius: 50%;
    font-size: 18px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    box-shadow: 0 3px 10px rgba(99,102,241,0.3);
}

.step-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.step-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==================== 资源卡片 ==================== */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.resource-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.resource-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.resource-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 10px;
}

.resource-category-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    background: var(--primary-bg);
    color: var(--primary);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 500;
}

.resource-source-badge {
    padding: 3px 10px;
    background: #fef3c7;
    color: #b45309;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 500;
}

.resource-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.resource-title a { color: var(--text); }
.resource-title a:hover { color: var(--primary); }

.resource-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.resource-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.resource-tag {
    padding: 2px 8px;
    background: var(--bg);
    color: var(--text-secondary);
    border-radius: 4px;
    font-size: 12px;
}

.resource-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-light);
}

.resource-meta-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.resource-size {
    font-weight: 600;
    color: var(--primary);
}

/* ==================== 搜索页 ==================== */
.search-page {
    padding: 32px 0;
    flex: 1;
}

.search-header { margin-bottom: 24px; }

.search-header h1 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text);
}

.search-header h1 span { color: var(--primary); }

.search-filters {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 24px;
}

.filter-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
}

.filter-row:not(:last-child) { border-bottom: 1px solid var(--border); }

.filter-label {
    font-weight: 600;
    font-size: 14px;
    color: var(--text);
    min-width: 70px;
    flex-shrink: 0;
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.filter-btn {
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 13px;
    border: 1px solid var(--border);
    background: var(--bg-white);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: inherit;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.search-result-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--text-secondary);
}

.sort-options { display: flex; gap: 4px; }

.sort-btn {
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 13px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: inherit;
}

.sort-btn:hover,
.sort-btn.active {
    background: var(--primary-bg);
    color: var(--primary);
    font-weight: 600;
}

/* 搜索页列表模式 */
.resource-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.resource-list-item {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.resource-list-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.resource-list-icon { font-size: 36px; flex-shrink: 0; }

.resource-list-body { flex: 1; min-width: 0; }

.resource-list-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.resource-list-title a { color: var(--text); }
.resource-list-title a:hover { color: var(--primary); }

.resource-list-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.resource-list-meta {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--text-light);
}

.resource-list-action { flex-shrink: 0; }

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white !important;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.btn-link:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99,102,241,0.3);
    color: white !important;
}

/* ==================== 详情页 ==================== */
.detail-page {
    padding: 32px 0;
    flex: 1;
}

.detail-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.detail-header {
    background: linear-gradient(135deg, #667eea, #764ba2);
    padding: 32px;
    color: white;
}

.detail-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}

.detail-badges { display: flex; gap: 10px; flex-wrap: wrap; }

.detail-badge {
    padding: 4px 14px;
    background: rgba(255,255,255,0.2);
    border-radius: 50px;
    font-size: 13px;
    backdrop-filter: blur(4px);
}

.detail-body { padding: 32px; }

.detail-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.detail-info-item {
    padding: 16px;
    background: var(--bg);
    border-radius: var(--radius-sm);
}

.detail-info-label {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 4px;
}

.detail-info-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

.detail-desc-section { margin-bottom: 28px; }

.detail-desc-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.detail-desc-text {
    color: var(--text-secondary);
    line-height: 1.8;
}

.detail-tags-section { margin-bottom: 28px; }

.detail-tags { display: flex; flex-wrap: wrap; gap: 8px; }

.detail-tag {
    padding: 6px 16px;
    background: var(--primary-bg);
    color: var(--primary);
    border-radius: 50px;
    font-size: 14px;
    transition: var(--transition);
}

.detail-tag:hover {
    background: var(--primary);
    color: white;
}

/* 网盘链接区域 */
.detail-link-section {
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
    border: 1px solid #bbf7d0;
    border-radius: var(--radius);
    padding: 24px;
}

.detail-link-title {
    font-size: 18px;
    font-weight: 700;
    color: #166534;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.detail-link-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: white;
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
}

.detail-link-source {
    font-weight: 600;
    min-width: 80px;
    font-size: 14px;
}

.detail-link-url {
    flex: 1;
    font-size: 14px;
    color: var(--primary);
    word-break: break-all;
}

.detail-link-pwd {
    font-size: 13px;
    color: var(--text-secondary);
}

.copy-btn {
    padding: 6px 14px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.copy-btn:hover { background: var(--primary-dark); }
.copy-btn.copied { background: var(--success); }

/* ==================== 分页 ==================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 32px 0;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.page-btn:hover,
.page-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.page-dots {
    display: inline-flex;
    align-items: center;
    padding: 0 8px;
    color: var(--text-light);
}

/* ==================== 空状态 ==================== */
.empty-state {
    text-align: center;
    padding: 80px 20px;
}

.empty-icon { font-size: 64px; margin-bottom: 16px; }

.empty-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.empty-desc {
    font-size: 15px;
    color: var(--text-secondary);
}

/* ==================== Footer ==================== */
.footer {
    background: #1e293b;
    color: #94a3b8;
    padding: 48px 0 24px;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 32px;
}

.footer-brand {
    font-size: 20px;
    font-weight: 700;
    color: white;
}

.footer-desc {
    margin-top: 8px;
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
}

.footer-links h4 {
    color: white;
    font-size: 15px;
    margin-bottom: 12px;
}

.footer-links a,
.footer-links span {
    display: block;
    color: #94a3b8;
    font-size: 14px;
    margin-bottom: 8px;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
    color: #475569;
}

/* ==================== 管理后台 ==================== */
.admin-page { padding: 32px 0; flex: 1; }

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.admin-header h1 { font-size: 24px; font-weight: 700; }

.admin-table {
    width: 100%;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    border-collapse: separate;
    border-spacing: 0;
}

.admin-table th,
.admin-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.admin-table th {
    background: var(--bg);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 13px;
}

.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--primary-bg); }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: inherit;
}

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

.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #059669; color: white; }

.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #dc2626; color: white; }

.btn-sm { padding: 5px 12px; font-size: 13px; }

/* 表单 */
.form-group { margin-bottom: 20px; }

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
    font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.form-textarea { min-height: 100px; resize: vertical; }

/* ==================== 统计卡片 ==================== */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ==================== Toast 提示 ==================== */
.toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: white;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease-out;
    min-width: 200px;
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--primary); }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(100px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* ==================== 搜索结果来源标签 ==================== */
.resource-source-tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.resource-source-tag.source-baidu { background: #e0f2fe; color: #0369a1; }
.resource-source-tag.source-ali   { background: #fff7ed; color: #c2410c; }
.resource-source-tag.source-quark { background: #f5f3ff; color: #6d28d9; }
.resource-source-tag.source-other { background: var(--primary-bg); color: var(--primary); }

.search-from-tag {
    padding: 2px 10px;
    background: var(--bg);
    border-radius: 50px;
    font-size: 12px;
    color: var(--text-light);
}

.pwd-tag {
    padding: 2px 10px;
    background: #fef3c7;
    border-radius: 50px;
    font-size: 12px;
    color: #92400e;
    font-weight: 500;
}

.size-tag {
    padding: 2px 10px;
    background: #f0fdf4;
    border-radius: 50px;
    font-size: 12px;
    color: #166534;
    font-weight: 600;
}

.search-result-item .resource-list-action {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
}

/* ==================== 模态框 ==================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active { opacity: 1; visibility: visible; }

.modal {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 560px;
    max-height: 80vh;
    overflow-y: auto;
    padding: 28px;
    transform: translateY(20px);
    transition: var(--transition);
}

.modal-overlay.active .modal { transform: translateY(0); }

.modal-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 24px;
}

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
    .source-grid { grid-template-columns: 1fr; }
    .category-grid { grid-template-columns: repeat(5, 1fr); }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-content { grid-template-columns: 1fr 1fr; gap: 24px; }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 32px; letter-spacing: 1px; }
    .hero p { font-size: 15px; }
    .hero { padding: 60px 0 48px; }
    .search-form { padding: 4px 4px 4px 16px; }
    .search-input { font-size: 15px; }
    .search-btn { padding: 12px 24px; font-size: 14px; }
    .category-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .category-card { padding: 20px 12px 18px; }
    .resource-grid { grid-template-columns: 1fr; }
    .nav-search { display: none; }
    .nav-content { gap: 16px; }
    .footer-content { grid-template-columns: 1fr 1fr; gap: 24px; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .detail-info-grid { grid-template-columns: 1fr 1fr; }
    .resource-list-item { flex-direction: column; align-items: flex-start; }
    .resource-list-action { align-self: flex-end; }
    .detail-header { padding: 24px; }
    .detail-body { padding: 24px; }
    .detail-title { font-size: 22px; }
    .search-filters { padding: 14px; }
    .filter-row { flex-wrap: wrap; }
    .source-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .section { padding: 40px 0; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 26px; }
    .hero { padding: 48px 0 36px; }
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; }
    .hot-tags { gap: 6px 8px; }
    .hot-tag { padding: 4px 12px; font-size: 12px; }
}