/* ============================================================
   模板商城 - 前台样式表
   纯CSS无框架依赖，响应式设计
   ============================================================ */

/* ---------- 重置与基础 ---------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #dbeafe;
    --color-success: #16a34a;
    --color-warning: #d97706;
    --color-danger: #dc2626;
    --color-info: #0891b2;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-text-lighter: #9ca3af;
    --color-bg: #f9fafb;
    --color-bg-alt: #f3f4f6;
    --color-border: #e5e7eb;
    --color-border-dark: #d1d5db;
    --color-white: #ffffff;
    --radius-sm: 4px;
    --radius: 6px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --transition: all 0.2s ease;
    --header-height: 64px;
    --container-max: 1200px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                 "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue",
                 Helvetica, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

ul, ol { list-style: none; }

/* ---------- 布局容器 ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

.site-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-main {
    flex: 1;
    padding: 30px 0;
}

/* ---------- 头部导航 ---------- */
.site-header {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    align-items: center;
    height: var(--header-height);
    gap: 24px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text);
    font-weight: 700;
    font-size: 1.25rem;
}
.logo a:hover { color: var(--color-primary); }

.logo-icon {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-family: monospace;
    font-size: 0.875rem;
}

.main-nav > ul {
    display: flex;
    gap: 4px;
}
.main-nav li > a {
    display: block;
    padding: 8px 14px;
    color: var(--color-text);
    font-weight: 500;
    border-radius: var(--radius);
}
.main-nav li > a:hover,
.main-nav li > a.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

/* 下拉菜单 */
.nav-dropdown, .user-dropdown {
    position: relative;
}
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 160px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 6px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: var(--transition);
    z-index: 100;
}
.nav-dropdown:hover .dropdown-menu,
.user-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-menu li a {
    display: block;
    padding: 8px 16px;
    color: var(--color-text);
    font-size: 0.875rem;
}
.dropdown-menu li a:hover {
    background: var(--color-bg-alt);
    color: var(--color-primary);
}
.dropdown-menu .divider {
    height: 1px;
    background: var(--color-border);
    margin: 6px 0;
}
.user-dropdown .dropdown-menu {
    right: 0;
    left: auto;
}

.caret {
    font-size: 0.75rem;
    color: var(--color-text-light);
}

/* 搜索框 */
.header-search {
    flex: 1;
    max-width: 320px;
}
.header-search form {
    display: flex;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--color-bg);
}
.header-search input {
    flex: 1;
    border: none;
    padding: 8px 12px;
    background: transparent;
    font-size: 0.875rem;
    outline: none;
}
.header-search button {
    background: var(--color-bg-alt);
    border: none;
    padding: 0 14px;
    cursor: pointer;
    font-size: 0.875rem;
}
.header-search button:hover { background: var(--color-border); }

/* 用户区 */
.header-user {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}
.user-name {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--color-text);
    font-weight: 500;
}
.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 0.875rem;
    font-weight: 600;
}
.cart-link {
    position: relative;
    font-size: 1.25rem;
    color: var(--color-text);
}
.cart-badge {
    position: absolute;
    top: -6px;
    right: -8px;
    background: var(--color-danger);
    color: var(--color-white);
    font-size: 0.6875rem;
    font-weight: 600;
    min-width: 16px;
    height: 16px;
    line-height: 16px;
    text-align: center;
    border-radius: 8px;
    padding: 0 4px;
}

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 18px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.4;
}
.btn:hover { opacity: 0.9; }
.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}
.btn-primary:hover { background: var(--color-primary-dark); color: var(--color-white); }
.btn-outline {
    background: transparent;
    border-color: var(--color-border-dark);
    color: var(--color-text);
}
.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.btn-success { background: var(--color-success); color: var(--color-white); }
.btn-danger { background: var(--color-danger); color: var(--color-white); }
.btn-warning { background: var(--color-warning); color: var(--color-white); }
.btn-lg { padding: 11px 28px; font-size: 1rem; }
.btn-sm { padding: 5px 12px; font-size: 0.8125rem; }
.btn-block { display: flex; width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- 提示框 ---------- */
.flash-container {
    margin-top: -10px;
    margin-bottom: 10px;
}
.alert {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    margin-bottom: 8px;
    border-radius: var(--radius);
    border-left: 4px solid;
    font-size: 0.875rem;
}
.alert-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    color: var(--color-white);
    font-size: 0.8125rem;
    font-weight: bold;
    flex-shrink: 0;
}
.alert-text { flex: 1; }
.alert-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--color-text-light);
    line-height: 1;
    padding: 0;
}
.alert-success { background: #dcfce7; border-color: var(--color-success); color: #166534; }
.alert-success .alert-icon { background: var(--color-success); }
.alert-error { background: #fee2e2; border-color: var(--color-danger); color: #991b1b; }
.alert-error .alert-icon { background: var(--color-danger); }
.alert-warning { background: #fef3c7; border-color: var(--color-warning); color: #92400e; }
.alert-warning .alert-icon { background: var(--color-warning); }
.alert-info { background: #cffafe; border-color: var(--color-info); color: #155e75; }
.alert-info .alert-icon { background: var(--color-info); }

/* ---------- 卡片与网格 ---------- */
.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.section-title .more {
    font-size: 0.875rem;
    font-weight: 400;
}

.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 20px;
}

.template-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.template-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
    border-color: var(--color-primary-light);
}

.template-cover {
    position: relative;
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}
.template-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.template-cover .cover-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.5rem;
    font-weight: 600;
    opacity: 0.9;
}
.template-badges {
    position: absolute;
    top: 10px;
    left: 10px;
    display: flex;
    gap: 6px;
}
.badge {
    display: inline-block;
    padding: 3px 8px;
    font-size: 0.6875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    color: var(--color-white);
}
.badge-hot { background: var(--color-danger); }
.badge-recommend { background: var(--color-warning); }
.badge-free { background: var(--color-success); }
.badge-new { background: var(--color-info); }

.template-info {
    padding: 14px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.template-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-text);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.template-title a { color: inherit; }
.template-title a:hover { color: var(--color-primary); }
.template-desc {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.template-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 0.75rem;
    color: var(--color-text-lighter);
}
.template-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-danger);
}
.template-price.free { color: var(--color-success); }
.template-price .original {
    font-size: 0.75rem;
    color: var(--color-text-lighter);
    text-decoration: line-through;
    font-weight: 400;
    margin-left: 6px;
}
.template-actions {
    display: flex;
    gap: 8px;
}
.template-actions .btn { flex: 1; }

/* ---------- 分类列表 ---------- */
.category-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}
.category-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    text-align: center;
    transition: var(--transition);
}
.category-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.category-card .cat-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}
.category-card h3 {
    font-size: 1.125rem;
    margin-bottom: 6px;
}
.category-card p {
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

/* ---------- Hero区块 ---------- */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--color-white);
    padding: 60px 0;
    text-align: center;
    margin-bottom: 30px;
}
.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    font-weight: 700;
}
.hero p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 28px;
}
.hero-search {
    max-width: 560px;
    margin: 0 auto;
    display: flex;
    background: var(--color-white);
    border-radius: var(--radius);
    overflow: hidden;
    padding: 4px;
}
.hero-search input {
    flex: 1;
    border: none;
    padding: 12px 16px;
    font-size: 1rem;
    outline: none;
    color: var(--color-text);
}
.hero-search button {
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    padding: 12px 28px;
    font-size: 0.9375rem;
    cursor: pointer;
    border-radius: var(--radius);
    font-weight: 500;
}
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 36px;
}
.hero-stat .num {
    font-size: 2rem;
    font-weight: 700;
}
.hero-stat .label {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ---------- 筛选栏 ---------- */
.filter-bar {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    margin-bottom: 24px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}
.filter-bar .filter-label {
    font-weight: 600;
    color: var(--color-text-light);
    font-size: 0.875rem;
}
.filter-bar .filter-item {
    padding: 5px 12px;
    border-radius: var(--radius);
    font-size: 0.875rem;
    color: var(--color-text-light);
    cursor: pointer;
}
.filter-bar .filter-item.active,
.filter-bar .filter-item:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}
.filter-bar .sort-select {
    margin-left: auto;
    padding: 6px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.875rem;
    background: var(--color-white);
}

/* ---------- 分页 ---------- */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 30px;
    flex-wrap: wrap;
}
.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 0.875rem;
    cursor: pointer;
    background: var(--color-white);
}
.page-link:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.page-link.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}
.page-ellipsis {
    padding: 0 6px;
    color: var(--color-text-lighter);
}

/* ---------- 详情页 ---------- */
.detail-header {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 24px;
    margin-bottom: 24px;
}
.detail-cover {
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 2rem;
    font-weight: 600;
}
.detail-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.detail-info h1 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}
.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 20px;
    font-size: 0.875rem;
    color: var(--color-text-light);
}
.detail-meta span { display: inline-flex; align-items: center; gap: 4px; }
.detail-price-box {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 20px;
}
.detail-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-danger);
}
.detail-price.free { color: var(--color-success); }
.detail-price .original {
    font-size: 1rem;
    color: var(--color-text-lighter);
    text-decoration: line-through;
    font-weight: 400;
    margin-left: 10px;
}
.detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
}
.detail-tag {
    background: var(--color-bg-alt);
    color: var(--color-text-light);
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}
.detail-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.detail-content {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 30px;
    line-height: 1.8;
}
.detail-content h1, .detail-content h2, .detail-content h3 {
    margin: 20px 0 12px;
}
.detail-content h1 { font-size: 1.5rem; }
.detail-content h2 { font-size: 1.25rem; }
.detail-content h3 { font-size: 1.125rem; }
.detail-content p { margin-bottom: 14px; color: var(--color-text); }
.detail-content ul { margin: 12px 0; padding-left: 24px; list-style: disc; }
.detail-content li { margin-bottom: 6px; }
.detail-content code {
    background: var(--color-bg-alt);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: "Consolas", "Monaco", monospace;
    font-size: 0.875em;
}
.detail-content a { color: var(--color-primary); text-decoration: underline; }

/* ---------- 表单 ---------- */
.form-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 480px;
    margin: 40px auto;
}
.form-card.wide { max-width: 720px; }
.form-card h2 {
    text-align: center;
    margin-bottom: 24px;
    font-size: 1.5rem;
}
.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--color-text);
}
.form-group label .required { color: var(--color-danger); }
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-family: inherit;
    background: var(--color-white);
    color: var(--color-text);
    transition: var(--transition);
    outline: none;
}
.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}
textarea.form-control {
    min-height: 120px;
    resize: vertical;
}
.form-text {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    margin-top: 4px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}
.form-actions .btn { flex: 1; }
.form-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ---------- 用户中心 ---------- */
.user-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 24px;
}
.user-sidebar {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px 0;
    height: fit-content;
}
.user-profile {
    text-align: center;
    padding: 0 20px 20px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 12px;
}
.user-profile .avatar {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
    margin: 0 auto 10px;
}
.user-profile h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}
.user-profile p {
    font-size: 0.75rem;
    color: var(--color-text-light);
}
.user-menu li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--color-text);
    font-size: 0.875rem;
    border-left: 3px solid transparent;
}
.user-menu li a:hover,
.user-menu li a.active {
    background: var(--color-bg-alt);
    border-left-color: var(--color-primary);
    color: var(--color-primary);
}
.user-content {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
}
.user-content h3 {
    font-size: 1.125rem;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

/* ---------- 表格 ---------- */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}
.data-table th,
.data-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}
.data-table th {
    background: var(--color-bg-alt);
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
}
.data-table tbody tr:hover {
    background: var(--color-bg);
}
.data-table .text-right { text-align: right; }
.data-table .text-center { text-align: center; }

/* ---------- 空状态 ---------- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-light);
}
.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}
.empty-state h3 {
    font-size: 1.125rem;
    color: var(--color-text);
    margin-bottom: 8px;
}
.empty-state p {
    margin-bottom: 20px;
}

/* ---------- 页脚 ---------- */
.site-footer {
    background: #1f2937;
    color: #d1d5db;
    padding: 40px 0 20px;
    margin-top: auto;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 30px;
}
.footer-col h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: 14px;
}
.footer-col p {
    font-size: 0.875rem;
    line-height: 1.7;
    color: #9ca3af;
}
.footer-col ul li {
    margin-bottom: 8px;
}
.footer-col ul li a {
    color: #9ca3af;
    font-size: 0.875rem;
}
.footer-col ul li a:hover {
    color: var(--color-white);
}
.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #374151;
    font-size: 0.8125rem;
    color: #9ca3af;
}
.footer-bottom a { color: #9ca3af; }
.footer-bottom a:hover { color: var(--color-white); }

/* ---------- 工具类 ---------- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-light); }
.text-danger { color: var(--color-danger); }
.text-success { color: var(--color-success); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.d-flex { display: flex; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
    .detail-grid {
        grid-template-columns: 1fr;
    }
    .user-layout {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-inner {
        flex-wrap: wrap;
        height: auto;
        padding: 10px 20px;
        gap: 12px;
    }
    .logo { order: 1; }
    .header-user { order: 2; margin-left: auto; }
    .header-search {
        order: 3;
        max-width: 100%;
        width: 100%;
    }
    .main-nav {
        order: 4;
        width: 100%;
        overflow-x: auto;
    }
    .main-nav > ul {
        flex-wrap: nowrap;
    }
    .hero h1 { font-size: 1.75rem; }
    .hero p { font-size: 1rem; }
    .hero-stats { gap: 24px; }
    .hero-stat .num { font-size: 1.5rem; }

    .template-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 14px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .form-card {
        padding: 20px;
        margin: 20px 10px;
    }
    .data-table {
        font-size: 0.8125rem;
    }
    .data-table th, .data-table td {
        padding: 8px 6px;
    }
}

@media (max-width: 480px) {
    .template-grid {
        grid-template-columns: 1fr;
    }
    .category-list {
        grid-template-columns: 1fr 1fr;
    }
}