/* ==========================================================================
   NKS Theme - Main Stylesheet
   扁平化设计 | CSS变量系统 | 侧栏随动 | 完整组件
   ========================================================================== */

/* ============================================================
   CSS 变量定义
   ============================================================ */
:root {
    /* 主题颜色 */
    --nks-primary: #2563eb;
    --nks-secondary: #1e40af;
    --nks-accent: #f59e0b;
    --nks-primary-light: #3b82f6;
    --nks-primary-dark: #1d4ed8;
    
    /* 中性色 */
    --nks-text: #1f2937;
    --nks-text-light: #6b7280;
    --nks-text-lighter: #9ca3af;
    --nks-bg: #ffffff;
    --nks-bg-alt: #f9fafb;
    --nks-bg-dark: #111827;
    --nks-border: #e5e7eb;
    --nks-border-light: #f3f4f6;
    
    /* 阴影 */
    --nks-shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --nks-shadow: 0 2px 8px rgba(0,0,0,0.08);
    --nks-shadow-md: 0 4px 16px rgba(0,0,0,0.1);
    --nks-shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
    
    /* 圆角 */
    --nks-radius-sm: 4px;
    --nks-radius: 8px;
    --nks-radius-lg: 12px;
    --nks-radius-xl: 20px;
    --nks-radius-full: 9999px;
    
    /* 间距 */
    --nks-space-xs: 0.5rem;
    --nks-space-sm: 1rem;
    --nks-space-md: 1.5rem;
    --nks-space-lg: 2rem;
    --nks-space-xl: 3rem;
    --nks-space-2xl: 4rem;
    --nks-space-3xl: 6rem;
    
    /* 容器 */
    --nks-container-width: 1200px;
    
    /* 过渡 */
    --nks-transition: all 0.3s ease;
    --nks-transition-fast: all 0.15s ease;
    
    /* 字体 */
    --nks-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "Microsoft YaHei", sans-serif;
    --nks-font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

/* 颜色方案预设 */
.nks-scheme-green  { --nks-primary: #059669; --nks-secondary: #047857; --nks-primary-light: #10b981; --nks-primary-dark: #065f46; }
.nks-scheme-purple { --nks-primary: #7c3aed; --nks-secondary: #6d28d9; --nks-primary-light: #8b5cf6; --nks-primary-dark: #5b21b6; }
.nks-scheme-orange { --nks-primary: #ea580c; --nks-secondary: #c2410c; --nks-primary-light: #f97316; --nks-primary-dark: #9a3412; }
.nks-scheme-red    { --nks-primary: #dc2626; --nks-secondary: #b91c1c; --nks-primary-light: #ef4444; --nks-primary-dark: #991b1b; }
.nks-scheme-teal   { --nks-primary: #0d9488; --nks-secondary: #0f766e; --nks-primary-light: #14b8a6; --nks-primary-dark: #115e59; }

/* ============================================================
   基础重置
   ============================================================ */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    font-family: var(--nks-font);
    color: var(--nks-text);
    background-color: var(--nks-bg);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--nks-font-heading);
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 1rem;
    color: var(--nks-text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

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

a:hover {
    color: var(--nks-primary-dark);
    text-decoration: underline;
}

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

p {
    margin: 0 0 1rem;
}

ul, ol {
    margin: 0 0 1rem;
    padding-left: 1.5rem;
}

/* ============================================================
   容器与布局
   ============================================================ */
.container {
    max-width: var(--nks-container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: 4rem 0;
}

.gray-bg {
    background-color: var(--nks-bg-alt);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--nks-primary);
    margin: 0.75rem auto 0;
    border-radius: 2px;
}

.section-title-center {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--nks-text-light);
    font-size: 1.05rem;
}

.section-subtitle-center {
    color: var(--nks-text-light);
    text-align: center;
    margin-bottom: 2rem;
}

.section-more {
    text-align: center;
    margin-top: 2.5rem;
}

/* ============================================================
   按钮
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.5;
    border-radius: var(--nks-radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--nks-transition);
    text-decoration: none;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--nks-shadow-md);
}

.btn-primary {
    background: var(--nks-primary);
    color: #fff;
    border-color: var(--nks-primary);
}

.btn-primary:hover {
    background: var(--nks-primary-dark);
    color: #fff;
    border-color: var(--nks-primary-dark);
}

.btn-outline {
    background: transparent;
    color: var(--nks-primary);
    border-color: var(--nks-primary);
}

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

.btn-light {
    background: rgba(255,255,255,0.15);
    color: #fff;
    border-color: rgba(255,255,255,0.3);
    backdrop-filter: blur(10px);
}

.btn-light:hover {
    background: #fff;
    color: var(--nks-primary);
    border-color: #fff;
}

.btn-lg {
    padding: 0.875rem 2.5rem;
    font-size: 1.05rem;
}

.btn-sm {
    padding: 0.375rem 1rem;
    font-size: 0.85rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ============================================================
   顶部信息栏
   ============================================================ */
.top-bar {
    background: var(--nks-bg-dark);
    color: rgba(255,255,255,0.8);
    font-size: 0.85rem;
    padding: 0.4rem 0;
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    gap: 1.5rem;
}

.top-bar-item {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.top-bar-item svg {
    opacity: 0.7;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.top-bar-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 1rem;
}

.top-bar-menu a {
    color: rgba(255,255,255,0.8);
    font-size: 0.85rem;
}

.top-bar-menu a:hover {
    color: #fff;
}

/* ============================================================
   语言切换器
   ============================================================ */
.language-switcher {
    position: relative;
}

.lang-current {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    background: none;
    border: 1px solid rgba(255,255,255,0.2);
    color: rgba(255,255,255,0.9);
    padding: 0.25rem 0.625rem;
    border-radius: var(--nks-radius-sm);
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--nks-transition);
}

.lang-current:hover {
    border-color: rgba(255,255,255,0.5);
}

.lang-flag {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.25rem;
    background: #fff;
    border-radius: var(--nks-radius);
    box-shadow: var(--nks-shadow-lg);
    min-width: 150px;
    list-style: none;
    padding: 0.375rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--nks-transition);
    z-index: 100;
}

.language-switcher:hover .lang-dropdown,
.language-switcher.active .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown li a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.625rem;
    color: var(--nks-text);
    font-size: 0.85rem;
    border-radius: var(--nks-radius-sm);
    transition: var(--nks-transition-fast);
}

.lang-dropdown li a:hover {
    background: var(--nks-bg-alt);
    color: var(--nks-primary);
    text-decoration: none;
}

.lang-dropdown li.active a {
    color: var(--nks-primary);
    font-weight: 600;
}

/* 头部中的语言切换器 */
.site-header .lang-current {
    border-color: var(--nks-border);
    color: var(--nks-text);
}

/* ============================================================
   主头部
   ============================================================ */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--nks-border);
    position: relative;
    z-index: 50;
}

.sticky-header .site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--nks-shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.site-branding {
    flex-shrink: 0;
}

.site-logo img {
    max-height: 50px;
    width: auto;
}

.site-logo-text {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--nks-primary);
    letter-spacing: -0.5px;
}

.main-navigation {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0.25rem;
}

.nav-menu > li > a {
    display: block;
    padding: 0.625rem 1rem;
    color: var(--nks-text);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--nks-radius);
    transition: var(--nks-transition-fast);
}

.nav-menu > li > a:hover {
    color: var(--nks-primary);
    background: var(--nks-bg-alt);
    text-decoration: none;
}

.nav-menu > li.current-menu-item > a,
.nav-menu > li.current_page_item > a {
    color: var(--nks-primary);
    font-weight: 600;
}

/* 下拉菜单 */
.nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    border-radius: var(--nks-radius);
    box-shadow: var(--nks-shadow-lg);
    min-width: 200px;
    padding: 0.5rem;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--nks-transition);
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sub-menu li a {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--nks-text);
    font-size: 0.9rem;
    border-radius: var(--nks-radius-sm);
    transition: var(--nks-transition-fast);
}

.sub-menu li a:hover {
    background: var(--nks-bg-alt);
    color: var(--nks-primary);
    text-decoration: none;
}

.sub-menu .sub-menu {
    top: 0;
    left: 100%;
    margin-left: 0.5rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.header-search-btn,
.color-switch-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--nks-radius);
    border: 1px solid var(--nks-border);
    background: #fff;
    color: var(--nks-text);
    cursor: pointer;
    transition: var(--nks-transition);
}

.header-search-btn:hover,
.color-switch-btn:hover {
    border-color: var(--nks-primary);
    color: var(--nks-primary);
}

/* 一键换色 */
.color-switcher {
    position: relative;
}

.color-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: #fff;
    border-radius: var(--nks-radius);
    box-shadow: var(--nks-shadow-lg);
    padding: 1rem;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--nks-transition);
    z-index: 100;
}

.color-switcher:hover .color-dropdown,
.color-switcher.active .color-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.color-scheme-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.color-scheme-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--nks-radius);
    border: 3px solid transparent;
    background: var(--scheme-color, #2563eb);
    cursor: pointer;
    transition: var(--nks-transition-fast);
}

.color-scheme-btn:hover {
    transform: scale(1.1);
}

.color-scheme-btn.active {
    border-color: var(--nks-text);
}

.color-custom-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.5rem;
    border-top: 1px solid var(--nks-border);
}

.color-custom-row label {
    font-size: 0.85rem;
    color: var(--nks-text-light);
}

#custom-color-input {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: var(--nks-radius-sm);
    cursor: pointer;
    padding: 0;
}

.header-cta {
    margin-left: 0.25rem;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--nks-text);
    border-radius: 2px;
    transition: var(--nks-transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================================
   搜索遮罩层
   ============================================================ */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--nks-transition);
}

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

.search-overlay-inner {
    width: 90%;
    max-width: 600px;
    position: relative;
}

.search-close {
    position: absolute;
    top: -3rem;
    right: 0;
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
}

.search-form {
    display: flex;
    gap: 0.75rem;
}

.search-overlay .search-field {
    flex: 1;
    padding: 0.875rem 1.25rem;
    font-size: 1.1rem;
    border: none;
    border-radius: var(--nks-radius);
    background: #fff;
}

.search-overlay .search-submit {
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    background: var(--nks-primary);
    color: #fff;
    border: none;
    border-radius: var(--nks-radius);
    cursor: pointer;
    transition: var(--nks-transition);
}

.search-overlay .search-submit:hover {
    background: var(--nks-primary-dark);
}

/* ============================================================
   移动端菜单
   ============================================================ */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -320px;
    width: 320px;
    max-width: 85%;
    height: 100%;
    background: #fff;
    box-shadow: var(--nks-shadow-lg);
    z-index: 10001;
    transition: right 0.3s ease;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--nks-border);
}

.mobile-menu-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--nks-primary);
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--nks-text);
    line-height: 1;
}

.mobile-menu-nav {
    flex: 1;
    padding: 1rem 0;
}

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

.mobile-menu-list li a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--nks-text);
    font-weight: 500;
    border-bottom: 1px solid var(--nks-border-light);
    transition: var(--nks-transition-fast);
}

.mobile-menu-list li a:hover {
    background: var(--nks-bg-alt);
    color: var(--nks-primary);
    text-decoration: none;
}

.mobile-menu-list .sub-menu {
    list-style: none;
    padding: 0;
    padding-left: 1.5rem;
}

.mobile-menu-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--nks-border);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-contact-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--nks-text);
    font-weight: 600;
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: var(--nks-transition);
}

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

/* ============================================================
   面包屑导航
   ============================================================ */
.breadcrumb {
    background: var(--nks-bg-alt);
    padding: 0.75rem 0;
    font-size: 0.85rem;
}

.breadcrumb a {
    color: var(--nks-text-light);
}

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

.breadcrumb .separator {
    margin: 0 0.5rem;
    color: var(--nks-text-lighter);
}

.breadcrumb .current {
    color: var(--nks-text);
    font-weight: 500;
}

/* ============================================================
   英雄轮播
   ============================================================ */
.hero-slider {
    position: relative;
    height: 600px;
    overflow: hidden;
    background: var(--nks-bg-dark);
}

.hero-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background: linear-gradient(135deg, var(--nks-primary), var(--nks-secondary));
    display: flex;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.5), rgba(0,0,0,0.3));
}

.hero-content {
    position: relative;
    z-index: 2;
    color: #fff;
    max-width: 700px;
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: 3rem;
    color: #fff;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-desc {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
    line-height: 1.6;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-controls {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 3;
}

.hero-prev, .hero-next {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    border: 2px solid rgba(255,255,255,0.4);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--nks-transition);
    backdrop-filter: blur(10px);
}

.hero-prev:hover, .hero-next:hover {
    background: rgba(255,255,255,0.3);
    border-color: #fff;
}

.hero-dots {
    display: flex;
    gap: 0.5rem;
}

.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    border: none;
    cursor: pointer;
    transition: var(--nks-transition);
}

.hero-dot.active {
    background: #fff;
    width: 30px;
    border-radius: 5px;
}

/* ============================================================
   数据统计区
   ============================================================ */
.stats-section {
    background: linear-gradient(135deg, var(--nks-primary), var(--nks-secondary));
    color: #fff;
    padding: 3.5rem 0;
}

.stats-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.stats-title {
    color: #fff;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stats-subtitle {
    color: rgba(255,255,255,0.85);
    font-size: 1rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    text-align: center;
}

.stat-item {
    padding: 1rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.125rem;
}

.stat-suffix {
    font-size: 1.5rem;
    font-weight: 700;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* ============================================================
   特色服务
   ============================================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: #fff;
    border: 1px solid var(--nks-border);
    border-radius: var(--nks-radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--nks-transition);
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--nks-primary), var(--nks-primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    color: #fff;
    font-size: 2rem;
}

.feature-icon .dashicons {
    font-size: 2rem;
    width: 2rem;
    height: 2rem;
}

.feature-title {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.feature-desc {
    font-size: 0.9rem;
    color: var(--nks-text-light);
    line-height: 1.6;
    margin: 0;
}

/* ============================================================
   关于我们（文本块布局）
   ============================================================ */
.about-text-block {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-block-title {
    font-size: 2rem;
    margin-bottom: 1.25rem;
    position: relative;
    display: inline-block;
}

.about-block-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--nks-primary);
    margin: 0.75rem auto 0;
    border-radius: 2px;
}

.about-block-content {
    color: var(--nks-text-light);
    line-height: 1.8;
    font-size: 1rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

.about-block-content p {
    margin-bottom: 1rem;
}

.about-block-link {
    display: inline-flex;
    align-items: center;
    color: var(--nks-primary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--nks-transition);
}

.about-block-link:hover {
    color: var(--nks-primary-dark);
    text-decoration: none;
    gap: 0.5rem;
}

.about-points {
    margin: 1.5rem 0;
    text-align: left;
}

.about-point-item {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    padding: 0.5rem 0;
    color: var(--nks-text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

.about-point-icon {
    color: var(--nks-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

/* 保留旧样式兼容 */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-image img {
    border-radius: var(--nks-radius-lg);
    width: 100%;
    box-shadow: var(--nks-shadow-md);
}

.about-image-placeholder {
    background: var(--nks-bg-alt);
    border-radius: var(--nks-radius-lg);
    min-height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--nks-text-lighter);
}

.about-content .section-title {
    text-align: left;
}

.about-content .section-title::after {
    margin-left: 0;
}

.about-text {
    color: var(--nks-text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* ============================================================
   产品展示
   ============================================================ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.product-card {
    background: #fff;
    border-radius: var(--nks-radius-lg);
    overflow: hidden;
    box-shadow: var(--nks-shadow-sm);
    transition: var(--nks-transition);
}

.product-card:hover {
    box-shadow: var(--nks-shadow-lg);
    transform: translateY(-4px);
}

.product-link {
    display: block;
    color: inherit;
}

.product-link:hover {
    text-decoration: none;
    color: inherit;
}

.product-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--nks-bg-alt);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.product-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--nks-text-lighter);
}

.product-info {
    padding: 1.25rem;
}

.product-title {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.product-tag {
    font-size: 0.75rem;
    color: var(--nks-text-light);
    background: var(--nks-bg-alt);
    padding: 0.125rem 0.5rem;
    border-radius: var(--nks-radius-sm);
}

/* ============================================================
   案例展示
   ============================================================ */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.case-card {
    background: #fff;
    border-radius: var(--nks-radius-lg);
    overflow: hidden;
    box-shadow: var(--nks-shadow-sm);
    transition: var(--nks-transition);
    display: flex;
}

.case-card:hover {
    box-shadow: var(--nks-shadow-lg);
    transform: translateY(-4px);
}

.case-link {
    display: flex;
    width: 100%;
    color: inherit;
}

.case-link:hover {
    text-decoration: none;
    color: inherit;
}

.case-image {
    width: 200px;
    min-width: 200px;
    height: 180px;
    overflow: hidden;
    background: var(--nks-bg-alt);
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.case-card:hover .case-image img {
    transform: scale(1.08);
}

.case-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--nks-text-lighter);
}

.case-info {
    padding: 1.5rem;
    flex: 1;
}

.case-title {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.case-excerpt {
    font-size: 0.875rem;
    color: var(--nks-text-light);
    line-height: 1.6;
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.case-more {
    font-size: 0.875rem;
    color: var(--nks-primary);
    font-weight: 500;
}

/* ============================================================
   服务流程
   ============================================================ */
.service-flow-grid {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    position: relative;
}

.flow-step {
    flex: 1;
    text-align: center;
    position: relative;
    padding: 0 0.5rem;
}

.flow-step-number {
    position: absolute;
    top: -10px;
    right: 10px;
    width: 28px;
    height: 28px;
    background: var(--nks-accent);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
}

.flow-step-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--nks-bg-alt);
    border: 2px solid var(--nks-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--nks-primary);
    font-size: 1.75rem;
    transition: var(--nks-transition);
}

.flow-step:hover .flow-step-icon {
    background: var(--nks-primary);
    color: #fff;
    transform: scale(1.1);
}

.flow-step-icon .dashicons {
    font-size: 1.75rem;
    width: 1.75rem;
    height: 1.75rem;
}

.flow-step-title {
    font-size: 1rem;
    margin-bottom: 0.375rem;
}

.flow-step-desc {
    font-size: 0.8rem;
    color: var(--nks-text-light);
    line-height: 1.5;
    margin: 0;
}

.flow-arrow {
    position: absolute;
    top: 28px;
    right: -12px;
    color: var(--nks-border);
    z-index: 1;
}

/* ============================================================
   套餐
   ============================================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: #fff;
    border: 1px solid var(--nks-border);
    border-radius: var(--nks-radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--nks-transition);
    position: relative;
}

.pricing-card:hover {
    box-shadow: var(--nks-shadow-lg);
    transform: translateY(-4px);
}

.pricing-featured {
    border-color: var(--nks-primary);
    border-width: 2px;
    box-shadow: var(--nks-shadow-md);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--nks-primary);
    color: #fff;
    padding: 0.25rem 1rem;
    border-radius: var(--nks-radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-name {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.pricing-tagline {
    font-size: 0.875rem;
    color: var(--nks-text-light);
    margin-bottom: 1.5rem;
}

.pricing-price {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.125rem;
}

.pricing-currency {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--nks-text);
}

.pricing-amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--nks-text);
}

.pricing-period {
    font-size: 0.875rem;
    color: var(--nks-text-light);
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    text-align: left;
}

.pricing-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--nks-border-light);
    font-size: 0.9rem;
    color: var(--nks-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pricing-features li svg {
    color: var(--nks-primary);
    flex-shrink: 0;
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* ============================================================
   客户评价（轮播）
   ============================================================ */
.testimonials-viewport {
    overflow: hidden;
    padding: 0.5rem 0;
}

.testimonials-track {
    display: flex;
    gap: 1.5rem;
    transition: transform 0.5s ease;
}

.testimonials-track .testimonial-card {
    flex: 0 0 calc(33.333% - 1rem);
    min-width: 0;
}

.testimonial-card {
    background: #fff;
    border-radius: var(--nks-radius-lg);
    padding: 2rem;
    box-shadow: var(--nks-shadow-sm);
    transition: var(--nks-transition);
    position: relative;
    border: 1px solid var(--nks-border);
}

.testimonial-card:hover {
    box-shadow: var(--nks-shadow-md);
    border-color: var(--nks-primary);
}

.testimonial-quote {
    margin-bottom: 1rem;
}

.testimonial-text {
    color: var(--nks-text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--nks-primary), var(--nks-primary-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.testimonial-name {
    font-weight: 600;
    color: var(--nks-text);
}

.testimonials-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.testimonial-prev,
.testimonial-next {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid var(--nks-border);
    color: var(--nks-text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--nks-transition);
}

.testimonial-prev:hover,
.testimonial-next:hover {
    background: var(--nks-primary);
    color: #fff;
    border-color: var(--nks-primary);
}

.testimonials-dots {
    display: flex;
    gap: 0.5rem;
}

.testimonial-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--nks-border);
    border: none;
    cursor: pointer;
    transition: var(--nks-transition);
}

.testimonial-dot.active {
    background: var(--nks-primary);
    width: 24px;
    border-radius: 4px;
}

/* ============================================================
   常见问题（列表式）
   ============================================================ */
.faq-list-wrap {
    max-width: 800px;
    margin: 0 auto;
}

.faq-list-item {
    margin-bottom: 1.5rem;
    transition: var(--nks-transition);
}

.faq-list-link {
    display: block;
    padding: 1.5rem;
    background: #fff;
    border: 1px solid var(--nks-border);
    border-radius: var(--nks-radius-lg);
    color: inherit;
    transition: var(--nks-transition);
}

.faq-list-link:hover {
    border-color: var(--nks-primary);
    box-shadow: var(--nks-shadow-md);
    transform: translateY(-2px);
    text-decoration: none;
    color: inherit;
}

.faq-list-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--nks-text);
    transition: var(--nks-transition);
}

.faq-list-link:hover .faq-list-title {
    color: var(--nks-primary);
}

.faq-list-excerpt {
    font-size: 0.875rem;
    color: var(--nks-text-light);
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 保留旧 FAQ 手风琴样式兼容 */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--nks-border);
    border-radius: var(--nks-radius);
    margin-bottom: 0.75rem;
    overflow: hidden;
    transition: var(--nks-transition);
}

.faq-item.active {
    border-color: var(--nks-primary);
    box-shadow: var(--nks-shadow);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.125rem 1.5rem;
    background: #fff;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--nks-text);
    text-align: left;
    transition: var(--nks-transition-fast);
}

.faq-question:hover {
    background: var(--nks-bg-alt);
}

.faq-q-icon {
    flex-shrink: 0;
    margin-left: 1rem;
    color: var(--nks-primary);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-q-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer-inner {
    padding: 0 1.5rem 1.125rem;
    color: var(--nks-text-light);
    line-height: 1.7;
}

/* ============================================================
   CTA 区
   ============================================================ */
.cta-section {
    background: var(--nks-primary);
    background: linear-gradient(135deg, var(--nks-primary), var(--nks-secondary));
    color: #fff;
    text-align: center;
    padding: 4rem 0;
}

.cta-title {
    color: #fff;
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.cta-desc {
    color: rgba(255,255,255,0.9);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* ============================================================
   合作伙伴
   ============================================================ */
.partners-section {
    padding: 3rem 0;
    text-align: center;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
    align-items: center;
}

.partner-item {
    opacity: 0.6;
    transition: var(--nks-transition);
    filter: grayscale(100%);
}

.partner-item:hover {
    opacity: 1;
    filter: grayscale(0);
}

.partner-logo {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-logo img {
    max-height: 100%;
    width: auto;
}

.partner-placeholder {
    font-size: 1rem;
    font-weight: 700;
    color: var(--nks-text-lighter);
}

/* ============================================================
   内容布局 & 侧栏随动
   ============================================================ */
.content-layout {
    display: flex;
    gap: 2rem;
    padding: 2rem 0;
}

.content-layout.has-sidebar .content-area {
    flex: 1;
    min-width: 0;
}

.content-layout.has-sidebar .sidebar {
    width: 320px;
    flex-shrink: 0;
}

.content-layout.no-sidebar .content-area {
    width: 100%;
}

/* 侧栏随动 */
.sidebar {
    position: relative;
}

.sidebar-inner {
    position: sticky;
    top: 90px;
}

/* ============================================================
   内容卡片
   ============================================================ */
.posts-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.content-card {
    background: #fff;
    border-radius: var(--nks-radius-lg);
    overflow: hidden;
    box-shadow: var(--nks-shadow-sm);
    transition: var(--nks-transition);
    border: 1px solid var(--nks-border);
}

.content-card:hover {
    box-shadow: var(--nks-shadow-lg);
    transform: translateY(-4px);
}

.content-card-link {
    display: block;
    color: inherit;
}

.content-card-link:hover {
    text-decoration: none;
    color: inherit;
}

.content-card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--nks-bg-alt);
}

.content-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.content-card:hover .content-card-image img {
    transform: scale(1.08);
}

.content-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--nks-text-lighter);
}

.content-card-body {
    padding: 1.25rem;
}

.content-card-meta {
    display: flex;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--nks-text-light);
    margin-bottom: 0.5rem;
}

.content-card-cat {
    color: var(--nks-primary);
    font-weight: 500;
}

.content-card-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.content-card-excerpt {
    font-size: 0.875rem;
    color: var(--nks-text-light);
    line-height: 1.6;
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.content-card-more {
    font-size: 0.875rem;
    color: var(--nks-primary);
    font-weight: 500;
}

/* ============================================================
   加载更多按钮
   ============================================================ */
.load-more-wrap {
    text-align: center;
    padding: 2rem 0;
    grid-column: 1 / -1;
}

.load-more-btn {
    min-width: 200px;
}

.load-more-btn.loading .load-more-text {
    display: none;
}

.load-more-btn.loading .load-more-loading {
    display: flex !important;
    align-items: center;
    gap: 0.5rem;
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.no-more-posts {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem;
    color: var(--nks-text-light);
}

/* ============================================================
   分页
   ============================================================ */
.pagination {
    text-align: center;
    padding: 2rem 0;
}

.pagination .page-numbers {
    display: inline-block;
    padding: 0.5rem 0.875rem;
    margin: 0 0.125rem;
    border-radius: var(--nks-radius-sm);
    color: var(--nks-text);
    background: #fff;
    border: 1px solid var(--nks-border);
    font-size: 0.9rem;
    transition: var(--nks-transition-fast);
}

.pagination .page-numbers:hover {
    background: var(--nks-primary);
    color: #fff;
    border-color: var(--nks-primary);
    text-decoration: none;
}

.pagination .page-numbers.current {
    background: var(--nks-primary);
    color: #fff;
    border-color: var(--nks-primary);
}

/* ============================================================
   单篇文章/页面
   ============================================================ */
.single-post, .single-page {
    background: #fff;
    border-radius: var(--nks-radius-lg);
    padding: 2rem;
    box-shadow: var(--nks-shadow-sm);
}

.entry-header {
    margin-bottom: 1.5rem;
}

.entry-cats {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.entry-cat {
    font-size: 0.8rem;
    color: var(--nks-primary);
    background: rgba(37, 99, 235, 0.08);
    padding: 0.25rem 0.625rem;
    border-radius: var(--nks-radius-sm);
    font-weight: 500;
}

.entry-title {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.entry-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: var(--nks-text-light);
    flex-wrap: wrap;
}

.entry-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.entry-thumbnail {
    margin-bottom: 2rem;
    border-radius: var(--nks-radius-lg);
    overflow: hidden;
}

.entry-thumbnail img {
    width: 100%;
}

.entry-content {
    line-height: 1.8;
    font-size: 1rem;
}

.entry-content h2 { margin-top: 2rem; }
.entry-content h3 { margin-top: 1.5rem; }
.entry-content p { margin-bottom: 1.25rem; }
.entry-content ul, .entry-content ol { margin-bottom: 1.25rem; }
.entry-content blockquote {
    border-left: 4px solid var(--nks-primary);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    background: var(--nks-bg-alt);
    border-radius: 0 var(--nks-radius) var(--nks-radius) 0;
    color: var(--nks-text-light);
}
.entry-content pre {
    background: var(--nks-bg-dark);
    color: #e5e7eb;
    padding: 1rem 1.5rem;
    border-radius: var(--nks-radius);
    overflow-x: auto;
    margin: 1.5rem 0;
}
.entry-content code {
    background: var(--nks-bg-alt);
    padding: 0.125rem 0.375rem;
    border-radius: var(--nks-radius-sm);
    font-size: 0.9em;
}
.entry-content pre code {
    background: none;
    padding: 0;
}
.entry-content img {
    border-radius: var(--nks-radius);
    margin: 1.5rem 0;
}
.entry-content a {
    color: var(--nks-primary);
    text-decoration: underline;
    text-decoration-color: rgba(37, 99, 235, 0.3);
}
.entry-content a:hover {
    text-decoration-color: var(--nks-primary);
}

.entry-tags {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--nks-border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tags-label {
    font-size: 0.875rem;
    color: var(--nks-text-light);
}

.tag-link {
    font-size: 0.8rem;
    color: var(--nks-primary);
    background: rgba(37, 99, 235, 0.08);
    padding: 0.25rem 0.625rem;
    border-radius: var(--nks-radius-sm);
    transition: var(--nks-transition-fast);
}

.tag-link:hover {
    background: var(--nks-primary);
    color: #fff;
    text-decoration: none;
}

/* 作者信息 */
.author-box {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    margin-top: 2rem;
    background: var(--nks-bg-alt);
    border-radius: var(--nks-radius-lg);
}

.author-avatar img {
    border-radius: 50%;
}

.author-name {
    margin-bottom: 0.25rem;
}

.author-bio {
    font-size: 0.875rem;
    color: var(--nks-text-light);
    margin: 0;
}

/* 上下篇导航 */
.post-navigation {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--nks-border);
}

.nav-previous, .nav-next {
    flex: 1;
}

.nav-next {
    text-align: right;
}

.nav-label {
    font-size: 0.8rem;
    color: var(--nks-text-light);
}

.post-navigation a {
    font-weight: 600;
    color: var(--nks-text);
}

.post-navigation a:hover {
    color: var(--nks-primary);
}

/* ============================================================
   侧边栏小工具
   ============================================================ */
.sidebar-inner .widget {
    background: #fff;
    border: 1px solid var(--nks-border);
    border-radius: var(--nks-radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.widget-title {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.625rem;
    border-bottom: 2px solid var(--nks-primary);
}

.widget ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.widget ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--nks-border-light);
    font-size: 0.9rem;
}

.widget ul li:last-child {
    border-bottom: none;
}

.widget ul li a {
    color: var(--nks-text);
}

.widget ul li a:hover {
    color: var(--nks-primary);
}

.widget_search .search-form {
    display: flex;
    gap: 0.5rem;
}

.widget_search .search-field {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--nks-border);
    border-radius: var(--nks-radius);
    font-size: 0.9rem;
}

.widget_search .search-submit {
    padding: 0.5rem 1rem;
    background: var(--nks-primary);
    color: #fff;
    border: none;
    border-radius: var(--nks-radius);
    cursor: pointer;
    font-size: 0.85rem;
}

.widget_tag_cloud .tagcloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.widget_tag_cloud .tag-cloud-link {
    font-size: 0.8rem !important;
    color: var(--nks-primary);
    background: rgba(37, 99, 235, 0.08);
    padding: 0.25rem 0.625rem;
    border-radius: var(--nks-radius-sm);
    transition: var(--nks-transition-fast);
}

.widget_tag_cloud .tag-cloud-link:hover {
    background: var(--nks-primary);
    color: #fff;
    text-decoration: none;
}

/* ============================================================
   咨询表单页
   ============================================================ */
.contact-page {
    padding: 2rem 0;
}

.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 2.5rem;
}

.contact-info-side {
    padding-right: 1rem;
}

.contact-intro {
    margin-bottom: 2rem;
    line-height: 1.8;
    color: var(--nks-text-light);
}

.contact-info-list {
    margin-bottom: 2rem;
}

.contact-info-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--nks-radius);
    background: rgba(37, 99, 235, 0.08);
    color: var(--nks-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info-text h4 {
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

.contact-info-text p {
    margin: 0;
    color: var(--nks-text-light);
    font-size: 0.9rem;
}

.contact-map {
    border-radius: var(--nks-radius-lg);
    overflow: hidden;
    box-shadow: var(--nks-shadow-sm);
}

.contact-form-wrap {
    background: #fff;
    border: 1px solid var(--nks-border);
    border-radius: var(--nks-radius-lg);
    padding: 2rem;
    box-shadow: var(--nks-shadow);
}

.contact-form-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.contact-form-desc {
    color: var(--nks-text-light);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.nks-contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--nks-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--nks-border);
    border-radius: var(--nks-radius);
    font-size: 0.95rem;
    font-family: var(--nks-font);
    transition: var(--nks-transition-fast);
    background: #fff;
    color: var(--nks-text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--nks-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-success {
    background: #ecfdf5;
    border: 1px solid #10b981;
    color: #065f46;
    padding: 1rem 1.5rem;
    border-radius: var(--nks-radius);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.form-errors {
    background: #fef2f2;
    border: 1px solid #ef4444;
    color: #991b1b;
    padding: 1rem 1.5rem;
    border-radius: var(--nks-radius);
    margin-bottom: 1.5rem;
}

.form-errors p {
    margin: 0;
}

/* ============================================================
   404 页面
   ============================================================ */
.error-404 {
    text-align: center;
    padding: 4rem 0;
}

.error-404-number {
    font-size: 8rem;
    font-weight: 900;
    color: var(--nks-primary);
    line-height: 1;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--nks-primary), var(--nks-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.error-404-title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.error-404-desc {
    color: var(--nks-text-light);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.error-404-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.error-404-search {
    max-width: 500px;
    margin: 0 auto;
}

.error-404-search .search-form {
    display: flex;
    gap: 0.5rem;
}

.error-404-search .search-field {
    flex: 1;
    padding: 0.625rem 1rem;
    border: 1px solid var(--nks-border);
    border-radius: var(--nks-radius);
}

/* ============================================================
   评论
   ============================================================ */
.comments-area {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--nks-border);
}

.comments-title, .comment-reply-title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.comment-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.comment-item {
    display: flex;
    gap: 1rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--nks-border-light);
}

.comment-avatar img {
    border-radius: 50%;
}

.comment-body {
    flex: 1;
}

.comment-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
}

.comment-author {
    font-weight: 600;
}

.comment-date {
    color: var(--nks-text-light);
}

.comment-content {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.comment-reply a {
    font-size: 0.85rem;
    color: var(--nks-primary);
}

#commentform input,
#commentform textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--nks-border);
    border-radius: var(--nks-radius);
    font-size: 0.95rem;
    font-family: var(--nks-font);
}

#commentform input:focus,
#commentform textarea:focus {
    outline: none;
    border-color: var(--nks-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

#commentform .submit {
    width: auto;
    padding: 0.625rem 2rem;
    background: var(--nks-primary);
    color: #fff;
    border: none;
    border-radius: var(--nks-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--nks-transition);
}

#commentform .Submit:hover {
    background: var(--nks-primary-dark);
}

/* ============================================================
   归档页头
   ============================================================ */
.archive-header {
    padding: 2rem 0 1rem;
}

.archive-title {
    font-size: 1.75rem;
}

.archive-description {
    color: var(--nks-text-light);
    margin-top: 0.5rem;
}

.no-results {
    text-align: center;
    padding: 3rem 0;
}

.no-results h2 {
    margin-bottom: 1rem;
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
    background: var(--nks-bg-dark);
    color: rgba(255,255,255,0.7);
    padding-top: 3.5rem;
}

.footer-widgets {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1fr;
    gap: 2rem;
    padding-bottom: 2.5rem;
}

.footer-col h3, .footer-col h4 {
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
}

.footer-about-text {
    font-size: 0.875rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.footer-logo img {
    max-height: 40px;
    margin-bottom: 1rem;
}

.footer-social {
    display: flex;
    gap: 0.625rem;
    flex-wrap: wrap;
}

.social-link {
    width: 36px;
    height: 36px;
    border-radius: var(--nks-radius);
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    transition: var(--nks-transition);
}

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

.footer-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-menu li {
    padding: 0.375rem 0;
}

.footer-menu a {
    color: rgba(255,255,255,0.7);
    font-size: 0.875rem;
    transition: var(--nks-transition-fast);
}

.footer-menu a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
}

.footer-contact li svg {
    flex-shrink: 0;
    opacity: 0.7;
}

.footer-qr {
    text-align: center;
}

.qr-placeholder {
    width: 120px;
    height: 120px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--nks-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.5);
    margin: 0 auto 0.5rem;
}

.footer-qr p {
    font-size: 0.8rem;
    margin: 0;
    color: rgba(255,255,255,0.5);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 1.5rem 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.footer-copyright p {
    margin: 0;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
}

.footer-copyright p + p {
    margin-top: 0.25rem;
}

.footer-copyright a {
    color: rgba(255,255,255,0.5);
    transition: var(--nks-transition-fast);
}

.footer-copyright a:hover {
    color: rgba(255,255,255,0.8);
}

.footer-powered p {
    margin: 0;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
}

.footer-powered a {
    color: rgba(255,255,255,0.7);
}

/* ============================================================
   返回顶部 & 悬浮客服面板
   ============================================================ */
#back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 5rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--nks-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--nks-shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--nks-transition);
    z-index: 900;
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    background: var(--nks-primary-dark);
    transform: translateY(-4px);
}

/* 悬浮客服面板 */
.floating-service {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 900;
}

.floating-service-toggle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--nks-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--nks-shadow-md);
    transition: var(--nks-transition);
    margin-left: auto;
    position: relative;
    z-index: 2;
}

.floating-service-toggle:hover {
    background: var(--nks-primary-dark);
    transform: scale(1.1);
}

.floating-service-panel {
    position: absolute;
    bottom: 60px;
    right: 0;
    background: #fff;
    border-radius: var(--nks-radius-lg);
    box-shadow: var(--nks-shadow-lg);
    padding: 0.5rem;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--nks-transition);
}

.floating-service:hover .floating-service-panel,
.floating-service.active .floating-service-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.floating-service-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--nks-radius);
    transition: var(--nks-transition-fast);
}

.floating-service-item:hover {
    background: var(--nks-bg-alt);
}

.floating-service-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    color: inherit;
}

.floating-service-link:hover {
    text-decoration: none;
    color: inherit;
}

.floating-service-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.1);
    color: var(--nks-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.floating-service-content {
    display: flex;
    flex-direction: column;
}

.floating-service-label {
    font-size: 0.8rem;
    color: var(--nks-text-light);
}

.floating-service-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--nks-text);
}

/* ============================================================
   CTA 横幅
   ============================================================ */
.cta-banner-section {
    background: linear-gradient(135deg, var(--nks-primary), var(--nks-secondary));
    color: #fff;
    text-align: center;
    padding: 4rem 0;
}

.cta-banner-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-banner-title {
    color: #fff;
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.cta-banner-desc {
    color: rgba(255,255,255,0.9);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* ============================================================
   自定义产品模块
   ============================================================ */
.custom-products-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
}

.custom-product-card {
    background: #fff;
    border-radius: var(--nks-radius-lg);
    overflow: hidden;
    box-shadow: var(--nks-shadow-sm);
    border: 1px solid var(--nks-border);
    transition: var(--nks-transition);
}

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

.custom-product-link {
    display: block;
    color: inherit;
}

.custom-product-link:hover {
    text-decoration: none;
    color: inherit;
}

.custom-product-image {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--nks-bg-alt);
}

.custom-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.custom-product-card:hover .custom-product-image img {
    transform: scale(1.08);
}

.custom-product-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--nks-text-lighter);
}

.custom-product-title {
    font-size: 0.9rem;
    padding: 0.75rem;
    text-align: center;
    margin: 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============================================================
   活动推广
   ============================================================ */
.event-promotion-section {
    padding: 3rem 0;
}

.event-box {
    background: linear-gradient(135deg, var(--nks-primary), var(--nks-secondary));
    border-radius: var(--nks-radius-xl);
    padding: 3rem 2rem;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.event-box.event-ended {
    background: linear-gradient(135deg, #6b7280, #4b5563);
}

.event-box.event-upcoming {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.event-content {
    position: relative;
    z-index: 2;
}

.event-title {
    color: #fff;
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.event-desc {
    color: rgba(255,255,255,0.9);
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.event-status-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(255,255,255,0.2);
    color: #fff;
    border-radius: var(--nks-radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

/* ============================================================
   首页合作咨询表单
   ============================================================ */
.contact-section {
    padding: 4rem 0;
}

.contact-form-wrap {
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid var(--nks-border);
    border-radius: var(--nks-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--nks-shadow);
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.contact-form .form-field {
    margin-bottom: 1rem;
}

.contact-form .form-field label {
    display: block;
    margin-bottom: 0.375rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--nks-text);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--nks-border);
    border-radius: var(--nks-radius);
    font-size: 0.95rem;
    font-family: var(--nks-font);
    transition: var(--nks-transition-fast);
    background: #fff;
    color: var(--nks-text);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--nks-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-submit {
    text-align: center;
    margin-top: 0.5rem;
}

.form-error {
    background: #fef2f2;
    border: 1px solid #ef4444;
    color: #991b1b;
    padding: 0.75rem 1.25rem;
    border-radius: var(--nks-radius);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.contact-success {
    text-align: center;
    padding: 2rem 0;
}

.contact-success h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--nks-primary);
}

.contact-success p {
    color: var(--nks-text-light);
}

/* ============================================================
   选项卡自定义代码
   ============================================================ */
.custom-tabs-wrap {
    max-width: 900px;
    margin: 0 auto;
}

.custom-tabs-nav {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--nks-border);
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.custom-tab-nav-btn {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--nks-text-light);
    cursor: pointer;
    transition: var(--nks-transition-fast);
}

.custom-tab-nav-btn:hover {
    color: var(--nks-primary);
}

.custom-tab-nav-btn.active {
    color: var(--nks-primary);
    border-bottom-color: var(--nks-primary);
}

.custom-tabs-content {
    position: relative;
}

.custom-tab-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.custom-tab-panel.active {
    display: block;
}

.custom-tab-inner {
    padding: 1.5rem;
    background: var(--nks-bg-alt);
    border-radius: var(--nks-radius-lg);
    color: var(--nks-text-light);
    line-height: 1.8;
}

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

/* ============================================================
   工具类
   ============================================================ */
.screen-reader-text {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--nks-primary);
    color: #fff;
    padding: 0.5rem 1rem;
    z-index: 10000;
    border-radius: 0 0 var(--nks-radius) 0;
}

.skip-link:focus {
    left: 0;
    color: #fff;
}

.no-content {
    text-align: center;
    padding: 3rem;
    color: var(--nks-text-light);
    grid-column: 1 / -1;
}