/* ============================================
   基础重置与全局样式
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;    
}

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

/* 列表重置 - 移除默认圆点 */
ul, ol {
    list-style: none;
}

/* 链接重置 - 移除默认下划线 */
a {
    text-decoration: none;
    color: inherit;
    transition: color var(--effect-transition-fast);
}

a:hover {
    color: var(--color-primary);
}

/* 图片默认样式 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 按钮重置 */
button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
}

/* 输入框重置 */
input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    outline: none;
}

/* 表格重置 */
table {
    border-collapse: collapse;
    width: 100%;
}

/* 段落间距 */
p {
    margin-bottom: 1em;
}

p:last-child {
    margin-bottom: 0;
}

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text-color);
}

h1 { font-size: 2em; }
h2 { font-size: 1.5em; }
h3 { font-size: 1.25em; }
h4 { font-size: 1.125em; }
h5 { font-size: 1em; }
h6 { font-size: 0.875em; }

/* ============================================
   表单组件全局样式
   ============================================ */

/* 输入框基础样式 */
.form-input,
input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="tel"],
input[type="url"],
input[type="search"],
textarea,
select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border-color);
    border-radius: var(--layout-border-radius);
    background: var(--color-card-bg);
    color: var(--color-text-color);
    font-size: var(--typo-font-size-base);
    transition: all var(--effect-transition-fast);
}

.form-input::placeholder,
input::placeholder,
textarea::placeholder {
    color: var(--color-text-color-secondary);
    opacity: 0.6;
}

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

.form-input:disabled,
input:disabled,
textarea:disabled,
select:disabled {
    background: var(--color-bg-color);
    cursor: not-allowed;
    opacity: 0.6;
}

/* 文本域 */
textarea {
    min-height: 100px;
    resize: vertical;
}

/* 下拉选择 */
select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* 复选框和单选框 */
input[type="checkbox"],
input[type="radio"] {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

/* 表单标签 */
.form-label {
    display: block;
    margin-bottom: 6px;
    font-size: var(--typo-font-size-base);
    font-weight: 500;
    color: var(--color-text-color);
}

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

/* 表单帮助文本 */
.form-help {
    margin-top: 6px;
    font-size: var(--typo-font-size-small);
    color: var(--color-text-color-secondary);
}

/* 表单错误提示 */
.form-error {
    margin-top: 6px;
    font-size: var(--typo-font-size-small);
    color: var(--color-danger);
}

/* 输入框错误状态 */
.form-input.error,
input.error,
textarea.error {
    border-color: var(--color-danger);
}

.form-input.error:focus,
input.error:focus,
textarea.error:focus {
    box-shadow: 0 0 0 3px rgba(var(--color-danger-rgb, 245, 108, 108), 0.1);
}

/* ============================================
   按钮组件全局样式
   ============================================ */

/* 基础按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: var(--layout-border-radius);
    font-size: var(--typo-font-size-base);
    font-weight: 500;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--effect-transition-fast);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 主要按钮 */
.btn-primary {
    background: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: var(--effect-shadow-card-hover);
    color: #ffffff;
}

/* 次要按钮 */
.btn-secondary {
    background: var(--color-card-bg);
    color: var(--color-text-color);
    border-color: var(--color-border-color);
}

.btn-secondary:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.05);
}

/* 文字按钮 */
.btn-text {
    background: transparent;
    color: var(--color-primary);
    padding: 6px 12px;
}

.btn-text:hover:not(:disabled) {
    background: rgba(var(--color-primary-rgb), 0.1);
}

/* 危险按钮 */
.btn-danger {
    background: var(--color-danger);
    color: #ffffff;
    border-color: var(--color-danger);
}

.btn-danger:hover:not(:disabled) {
    filter: brightness(1.1);
}

/* 成功按钮 */
.btn-success {
    background: var(--color-success);
    color: #ffffff;
    border-color: var(--color-success);
}

/* 警告按钮 */
.btn-warning {
    background: var(--color-warning);
    color: #ffffff;
    border-color: var(--color-warning);
}

/* 按钮尺寸 */
.btn-sm {
    padding: 6px 14px;
    font-size: var(--typo-font-size-small);
}

.btn-lg {
    padding: 14px 28px;
    font-size: var(--typo-font-size-large);
}

.btn-block {
    width: 100%;
}

/* 按钮组 */
.btn-group {
    display: inline-flex;
    gap: 8px;
}

.btn-group .btn {
    margin: 0;
}

/* ============================================
   卡片组件全局样式
   ============================================ */
.card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border-color);
    border-radius: calc(var(--layout-border-radius) * 1.5);
    padding: var(--layout-card-padding);
    transition: all var(--effect-transition-fast);
}

.card:hover {
    box-shadow: var(--effect-shadow-card);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border-color);
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-color);
}

.card-body {
    color: var(--color-text-color-secondary);
}

.card-footer {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border-color);
}

/* ============================================
   徽章/标签组件全局样式
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: calc(var(--layout-border-radius) / 2);
    font-size: 12px;
    font-weight: 500;
}

.badge-primary {
    background: rgba(var(--color-primary-rgb), 0.12);
    color: var(--color-primary);
}

.badge-success {
    background: rgba(var(--color-success-rgb, 103, 194, 58), 0.12);
    color: var(--color-success);
}

.badge-warning {
    background: rgba(var(--color-warning-rgb, 230, 162, 60), 0.12);
    color: var(--color-warning);
}

.badge-danger {
    background: rgba(var(--color-danger-rgb, 245, 108, 108), 0.12);
    color: var(--color-danger);
}

.badge-info {
    background: rgba(var(--color-info-rgb, 144, 147, 153), 0.12);
    color: var(--color-info);
}

/* ============================================
   提示/消息组件全局样式
   ============================================ */
.alert {
    padding: 12px 16px;
    border-radius: var(--layout-border-radius);
    border: 1px solid transparent;
    margin-bottom: 16px;
}

.alert-success {
    background: rgba(var(--color-success-rgb, 103, 194, 58), 0.1);
    border-color: rgba(var(--color-success-rgb, 103, 194, 58), 0.2);
    color: var(--color-success);
}

.alert-warning {
    background: rgba(var(--color-warning-rgb, 230, 162, 60), 0.1);
    border-color: rgba(var(--color-warning-rgb, 230, 162, 60), 0.2);
    color: var(--color-warning);
}

.alert-danger {
    background: rgba(var(--color-danger-rgb, 245, 108, 108), 0.1);
    border-color: rgba(var(--color-danger-rgb, 245, 108, 108), 0.2);
    color: var(--color-danger);
}

.alert-info {
    background: rgba(var(--color-info-rgb, 144, 147, 153), 0.1);
    border-color: rgba(var(--color-info-rgb, 144, 147, 153), 0.2);
    color: var(--color-info);
}

/* ============================================
   Toast 轻提示组件样式（适配深浅主题）
   ============================================ */
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 12px 24px;
    border-radius: var(--layout-border-radius);
    font-size: 14px;
    font-weight: 500;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* Info 类型（默认）- 使用主色调 */
.toast-info {
    background: var(--color-card-bg);
    color: var(--color-text-color);
    border: 1px solid var(--color-border-color);
}

/* Success 类型 - 使用成功色 */
.toast-success {
    background: rgba(var(--color-success-rgb, 103, 194, 58), 0.95);
    color: #ffffff;
    border: 1px solid var(--color-success);
}

/* Error 类型 - 使用危险色 */
.toast-error {
    background: rgba(var(--color-danger-rgb, 245, 108, 108), 0.95);
    color: #ffffff;
    border: 1px solid var(--color-danger);
}

/* Warning 类型 - 使用警告色 */
.toast-warning {
    background: rgba(var(--color-warning-rgb, 230, 162, 60), 0.95);
    color: #ffffff;
    border: 1px solid var(--color-warning);
}

/* ============================================
   工具类全局样式
   ============================================ */

/* 文本对齐 */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* 文本颜色 */
.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }
.text-info { color: var(--color-info); }
.text-muted { color: var(--color-text-color-secondary); }

/* 显示/隐藏 */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }

/* 外边距 */
.m-0 { margin: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

/* 内边距 */
.p-0 { padding: 0; }
.p-16 { padding: 16px; }
.p-24 { padding: 24px; }

/* 溢出处理 */
.overflow-hidden { overflow: hidden; }
.text-ellipsis {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 圆角 */
.rounded { border-radius: var(--layout-border-radius); }
.rounded-lg { border-radius: calc(var(--layout-border-radius) * 1.5); }

/* 阴影 */
.shadow { box-shadow: var(--effect-shadow-card); }
.shadow-hover:hover { box-shadow: var(--effect-shadow-card-hover); }

/* 禁用文本选择 */
.no-select {
    user-select: none;
    -webkit-user-select: none;
}

/* 全宽 */
.w-full { width: 100%; }
.h-full { height: 100%; }

/* 容器 */
.section-container {
    max-width: var(--layout-container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   PC端与移动端导航栏 - 完全分离
   ============================================ */

/* 显示/隐藏控制 */
.hidden-mobile {
    display: block;
}

.hidden-pc {
    display: none;
}

@media (max-width: 768px) {
    .hidden-mobile {
        display: none !important;
    }
    
    .hidden-pc {
        display: block;
    }
}

/* ============================================
   PC端导航栏样式
   ============================================ */
.pc-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--layout-header-height);
    background: var(--color-header-bg);
    backdrop-filter: blur(var(--effect-backdrop-blur)) saturate(var(--effect-backdrop-saturate));
    -webkit-backdrop-filter: blur(var(--effect-backdrop-blur)) saturate(var(--effect-backdrop-saturate));
    border-bottom: 1px solid var(--color-border-color);
    z-index: 1000;
}

.pc-nav {
    height: 100%;
}

.pc-nav-container {
    max-width: var(--layout-container-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.pc-nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-color);
    cursor: pointer;
    flex-shrink: 0;
}

.pc-nav-brand img {
    width: 28px;
    height: 28px;
}

.pc-nav-menu {
    display: flex;
    list-style: none;
    gap: 4px;
}

.pc-nav-link {
    display: flex;
    align-items: center;
    padding: 6px 16px;
    border-radius: var(--layout-border-radius);
    text-decoration: none;
    color: var(--color-text-color-secondary);
    font-size: var(--typo-font-size-base);
    font-weight: 400;
    transition: all var(--effect-transition-fast);
}

.pc-nav-link:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
}

.pc-nav-link.active {
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
    font-weight: 500;
}

.pc-nav-search {
    flex: 1;
    max-width: 300px;
    display: flex;
    align-items: center;
}

.pc-nav-search form {
    display: flex;
    align-items: center;
    width: 100%;
    background: var(--color-card-bg, #f5f5f5);
    border-radius: 20px;
    padding: 0;
    border: 1px solid var(--color-border, #e0e0e0);
    transition: all 0.3s ease;
}

.pc-nav-search form:focus-within {
    border-color: var(--color-primary, #0078d4);
    box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb, 0, 120, 212), 0.2);
}

.pc-nav-search .pc-nav-search-input {
    border: none;
    background: transparent;
    padding: 8px 16px;
    font-size: 14px;
    color: var(--color-text-color, #333);
    width: 100%;
    outline: none;
    border-radius: 20px;
    box-shadow:none;
}

.pc-nav-search .pc-nav-search-input::placeholder {
    color: var(--color-text-secondary, #999);
}

.pc-nav-search-btn {
    border: none;
    background: var(--color-primary, #0078d4);
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
    flex-shrink: 0;
}

.pc-nav-search-btn:hover {
    background: var(--color-primary-dark, #005a9e);
}

.pc-nav-user {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.pc-nav-user-guest {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pc-nav-user-logged {
    display: flex;
    align-items: center;
}

.pc-nav-user-menu {
    position: relative;
}

.pc-nav-user-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: transparent;
    border-radius: var(--layout-border-radius);
    cursor: pointer;
    color: var(--color-text-color);
    transition: all 0.2s;
}

.pc-nav-user-trigger:hover {
    background: var(--color-bg-color);
}

.pc-nav-user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}

.pc-nav-user-name {
    font-size: 14px;
    color: var(--color-text-color);
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pc-nav-user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 160px;
    background: var(--color-bg-color);
    border: 1px solid var(--color-border-color);
    border-radius: var(--layout-border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s;
    z-index: 100;
}

.pc-nav-user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.pc-nav-user-dropdown a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    color: var(--color-text-color);
    text-decoration: none;
    font-size: 14px;
    transition: background 0.2s;
}

.pc-nav-user-dropdown a:hover {
    background: var(--color-bg-color);
}

.pc-nav-user-dropdown a i {
    width: 16px;
    color: var(--color-text-secondary);
}

.pc-theme-toggle {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: var(--layout-border-radius);
    background: transparent;
    color: var(--color-text-color);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--effect-transition-fast);
    flex-shrink: 0;
}

.pc-theme-toggle:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
}

/* 深色主题 - PC端 */
.dark-theme .pc-nav-search form {
    background: var(--color-card-bg, #2d2d2d);
    border-color: var(--color-border, #444);
}

.dark-theme .pc-nav-search-input {
    color: var(--color-text-color, #e0e0e0);
}

.dark-theme .pc-nav-search-input::placeholder {
    color: var(--color-text-secondary, #888);
}

/* ============================================
   移动端导航栏样式
   ============================================ */
.mobile-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    max-width: 100%;
    background: var(--color-header-bg);
    backdrop-filter: blur(var(--effect-backdrop-blur)) saturate(var(--effect-backdrop-saturate));
    -webkit-backdrop-filter: blur(var(--effect-backdrop-blur)) saturate(var(--effect-backdrop-saturate));
    border-bottom: 1px solid var(--color-border-color);
    z-index: 1000;
}

/* 移动端顶部栏 */
.mobile-nav-header {
    max-width: var(--layout-container-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 16px;
}

.mobile-nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-color);
    cursor: pointer;
}

.mobile-nav-brand img {
    width: 28px;
    height: 28px;
}

.mobile-nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mobile-nav-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--color-bg-color);
    border-radius: var(--layout-border-radius);
    color: var(--color-text-color);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.mobile-nav-btn:hover {
    background: var(--color-primary);
    color: #fff;
}

/* 移动端搜索栏 */
.mobile-nav-search {
    max-width: var(--layout-container-width);
    margin: 0 auto;
    display: none;
    padding: 0 16px 12px;
}

.mobile-nav-search.active {
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.mobile-nav-search form .mobile-nav-search-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 10px 14px;
    font-size: 14px;
    color: var(--color-text-color);
    outline: none;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.mobile-nav-search form .mobile-nav-search-input::placeholder {
    color: var(--color-text-secondary);
}

.mobile-nav-search-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--color-primary);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav-search-close {
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 移动端侧边菜单 */
.mobile-side-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    height: 100vh;
    width: 85%;
    background: var(--color-bg-color);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.mobile-side-menu.active {
    transform: translateX(0);
}

.mobile-side-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 9998;
}

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

.mobile-side-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border-color);
    font-weight: 600;
    font-size: 16px;
}

.mobile-side-menu-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
}

.mobile-side-menu-close:hover {
    background: var(--color-bg-color);
}

.mobile-side-menu-user {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border-color);
}

.mobile-side-menu-user-guest {
    display: flex;
}

.mobile-side-menu-login {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--color-primary);
    color: #fff;
    text-decoration: none;
    border-radius: var(--layout-border-radius);
    font-size: 14px;
    font-weight: 500;
}

.mobile-side-menu-login:hover {
    background: var(--color-primary-dark);
}

.mobile-side-menu-user-logged {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-side-menu-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.mobile-side-menu-user-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mobile-side-menu-nickname {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-color);
}

.mobile-side-menu-profile {
    font-size: 13px;
    color: var(--color-primary);
    text-decoration: none;
}

.mobile-side-menu-list {
    list-style: none;
    padding: 12px;
    margin: 0;
}

.mobile-side-menu-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    color: var(--color-text-color);
    text-decoration: none;
    font-size: 15px;
    border-radius: var(--layout-border-radius);
    transition: all 0.2s;
}

.mobile-side-menu-link:hover,
.mobile-side-menu-link.active {
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
}

.mobile-side-menu-link i {
    width: 20px;
    text-align: center;
    font-size: 16px;
    color: var(--color-text-secondary);
}

.mobile-side-menu-link:hover i,
.mobile-side-menu-link.active i {
    color: var(--color-primary);
}

.mobile-side-menu-divider {
    height: 1px;
    background: var(--color-border-color);
    margin: 0 12px;
}

.mobile-side-menu-user-links {
    padding-top: 4px;
}

.mobile-side-menu-footer {
    margin-top: auto;
    padding: 12px;
    border-top: 1px solid var(--color-border-color);
}

.mobile-side-menu-logout {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 15px;
    border-radius: var(--layout-border-radius);
    transition: all 0.2s;
}

.mobile-side-menu-logout:hover {
    background: rgba(220, 38, 38, 0.1);
    color: #dc2626;
}

.mobile-side-menu-logout i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.theme-toggle {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: var(--layout-border-radius);
    background: transparent;
    color: var(--color-text-color);
    font-size: 16px;
    cursor: pointer;
    transition: all var(--effect-transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
}

/* ============================================
   头部用户区域样式
   ============================================ */
.nav-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 未登录状态 */
.nav-user-guest {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 已登录状态 */
.nav-user-logged {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-user-menu {
    position: relative;
}

.nav-user-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: var(--layout-border-radius);
    background: transparent;
    color: var(--color-text-color);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--effect-transition-fast);
}

.nav-user-trigger:hover {
    border-color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.05);
}

.nav-user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--color-bg-color);
}

.nav-user-name {
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 180px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border-color);
    border-radius: var(--layout-border-radius);
    box-shadow: var(--effect-shadow-card-hover);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--effect-transition-fast);
    z-index: 1001;
}

.nav-user-menu:hover .nav-user-dropdown,
.nav-user-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-user-dropdown a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--color-text-color);
    font-size: 14px;
    transition: all var(--effect-transition-fast);
}

.nav-user-dropdown a:hover {
    background: rgba(var(--color-primary-rgb), 0.08);
    color: var(--color-primary);
}

.nav-user-dropdown a i {
    width: 18px;
    text-align: center;
    color: var(--color-text-color-secondary);
}

.nav-user-dropdown a:hover i {
    color: var(--color-primary);
}

.nav-user-dropdown .divider {
    height: 1px;
    background: var(--color-border-color);
    margin: 8px 0;
}

/* ============================================
   页脚 - 漫画阅读风格
   ============================================ */
.footer {
    background: var(--color-card-bg);
    border-top: 1px solid var(--color-border-color);
    margin-top: auto;
}

.footer-container {
    max-width: var(--layout-container-width);
    margin: 0 auto;
    padding: 48px 24px 24px;
}

/* 上部主要内容 */
.footer-main {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border-color);
}

/* 品牌区域 */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.footer-logo img {
    height: 40px;
    width: auto;
    border-radius: 8px;
}

.footer-logo span {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-color);
}

.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text-color-secondary);
    max-width: 320px;
}

/* 社交媒体 */
.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-bg-color);
    border: 1px solid var(--color-border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-color-secondary);
    font-size: 18px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

/* 链接分组 */
.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-color);
    margin: 0;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-primary);
    display: inline-block;
    width: fit-content;
}

.footer-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-list li a {
    font-size: 14px;
    color: var(--color-text-color-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    display: inline-block;
}

.footer-list li a:hover {
    color: var(--color-primary);
    transform: translateX(4px);
}

/* 友情链接 */
.footer-friends {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border-color);
    flex-wrap: wrap;
}

.friends-label {
    font-size: 14px;
    color: var(--color-text-color-secondary);
    font-weight: 500;
    white-space: nowrap;
}

.friends-list {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.friends-list a {
    font-size: 13px;
    color: var(--color-text-color-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.friends-list a:hover {
    color: var(--color-primary);
}

/* 底部版权 */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-copyright {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer-copyright p {
    font-size: 13px;
    color: var(--color-text-color-secondary);
    margin: 0;
}

.footer-icp {
    font-size: 12px !important;
    opacity: 0.8;
}

.footer-stats {
    display: flex;
    gap: 24px;
}

.footer-stats span {
    font-size: 13px;
    color: var(--color-text-color-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-stats i {
    color: var(--color-primary);
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(var(--color-primary-rgb), 0.4);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(var(--color-primary-rgb), 0.5);
}


@media (max-width: 992px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-desc {
        max-width: 100%;
    }
    
    .footer-links {
        display: none;
    }
}

@media (max-width: 768px) {
    /* 移动端底部 */
    .footer-container {
        padding: 32px 16px 16px;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 24px;
        padding-bottom: 24px;
    }
    
    .footer-brand {
        align-items: center;
        text-align: center;
    }
    
    .footer-desc {
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-links {
        display: none;
    }
    
    .footer-col {
        align-items: center;
        text-align: center;
    }
    
    .footer-title {
        text-align: center;
    }
    
    .footer-list {
        align-items: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    
    .footer-stats {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .footer-friends {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 12px;
    }
    
    .friends-label {
        white-space: normal;
    }
    
    .back-to-top {
        width: 44px;
        height: 44px;
        bottom: 20px;
        right: 20px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .section-container {
        padding: 0 16px;
    }
    
    .footer-logo span {
        font-size: 18px;
    }
    
    .footer-links {
        display: none;
    }
    
    .footer-col {
        gap: 12px;
    }
    
    .footer-title {
        font-size: 15px;
        padding-bottom: 6px;
    }
    
    .footer-list {
        gap: 8px;
    }
    
    .footer-list li a {
        font-size: 13px;
    }
    
    .footer-stats {
        gap: 16px;
    }
    
    .footer-stats span {
        font-size: 12px;
    }
    
    .friends-list {
        gap: 12px;
        justify-content: center;
    }
    
    /* 小屏隐藏登录按钮文字 */
    .nav-user-guest .btn span {
        display: none;
    }
    
    .nav-user-guest .btn {
        padding: 8px;
    }
}

.main-page {
    padding-top: var(--layout-header-height);
    min-height: 100vh;
    background: var(--color-bg-color);
}

/* ============================================
   弹层组件样式
   ============================================ */

/* 遮罩层 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

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

/* 弹窗容器 */
.modal {
    background: var(--color-bg-color);
    border-radius: calc(var(--layout-border-radius) * 1.5);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 420px;
    max-height: 90vh;
    overflow: hidden;
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.3s ease, transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.modal-overlay.show .modal {
    opacity: 1;
    transform: scale(1);
}

/* 弹窗头部 */
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border-color);
}

.modal-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-color);
    margin: 0;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--color-text-color-secondary);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--layout-border-radius);
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.08);
    color: var(--color-text-color);
}

/* 弹窗主体 */
.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
    color: var(--color-text-color);
    font-size: var(--typo-font-size-base);
    line-height: 1.6;
}

/* 弹窗内容 - 居中文字 */
.modal-content-center {
    text-align: center;
}

.modal-content-center .modal-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.modal-content-center .modal-message {
    margin: 0;
    word-break: break-word;
}

/* 弹窗底部 */
.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 20px;
    border-top: 1px solid var(--color-border-color);
}

.modal-footer-left {
    justify-content: flex-start;
}

/* 弹窗按钮 */
.modal-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: var(--layout-border-radius);
    font-size: var(--typo-font-size-base);
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    white-space: nowrap;
    min-width: 80px;
}

.modal-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.modal-btn-cancel {
    background: var(--color-card-bg);
    color: var(--color-text-color);
    border-color: var(--color-border-color);
}

.modal-btn-cancel:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.modal-btn-confirm {
    background: var(--color-primary);
    color: #ffffff;
}

.modal-btn-confirm:hover:not(:disabled) {
    filter: brightness(1.1);
}

.modal-btn-danger {
    background: var(--color-danger);
    color: #ffffff;
}

.modal-btn-danger:hover:not(:disabled) {
    filter: brightness(1.1);
}

.modal-btn-text {
    background: transparent;
    color: var(--color-primary);
    padding: 10px 16px;
}

.modal-btn-text:hover:not(:disabled) {
    background: rgba(var(--color-primary-rgb), 0.1);
}

/* Popup 弹窗 - 可自定义内容 */
.modal-popup .modal-body {
    padding: 0;
}

.modal-popup-content {
    padding: 20px;
    max-height: 60vh;
    overflow-y: auto;
}

/* 加载状态 */
.modal-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.modal-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border-color);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: modal-spin 0.8s linear infinite;
}

@keyframes modal-spin {
    to {
        transform: rotate(360deg);
    }
}

/* 输入弹窗 */
.modal-input-wrapper {
    margin-top: 12px;
}

.modal-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border-color);
    border-radius: var(--layout-border-radius);
    background: var(--color-bg-color);
    color: var(--color-text-color);
    font-size: var(--typo-font-size-base);
    transition: border-color 0.2s ease;
}

.modal-input:focus {
    border-color: var(--color-primary);
    outline: none;
}

.modal-input-error {
    border-color: var(--color-danger);
}

/* 响应式 */
@media (max-width: 480px) {
    .modal {
        max-width: 100%;
        margin: 0;
        border-radius: calc(var(--layout-border-radius) * 1.5) calc(var(--layout-border-radius) * 1.5) 0 0;
    }

    .modal-overlay {
        align-items: flex-end;
        padding: 0;
    }

    .modal-footer {
        flex-direction: column-reverse;
    }

    .modal-btn {
        width: 100%;
    }
}

/* 深色主题适配 */
.dark-theme .modal {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.dark-theme .modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
}