/* CSS 变量 - 浅色模式 */
:root {
    --bg-color: #f5f7fa;
    --bg-gradient-start: #e0e7ff;
    --bg-gradient-end: #f5f7fa;
    --text-color: #1a202c;
    --text-secondary: #4a5568;
    --card-bg: #ffffff;
    --card-shadow: rgba(0, 0, 0, 0.1);
    --header-bg: rgba(255, 255, 255, 0.8);
    --input-bg: #ffffff;
    --input-border: #e2e8f0;
    --accent-color: #4f46e5;
    --accent-hover: #4338ca;
    --footer-color: #718096;
    --hero-grid-line: rgba(79, 70, 229, 0.12);
    --hero-glow-opacity: 0.35;
    --transition: 0.3s ease;
}

/* CSS 变量 - 深色模式 */
[data-theme="dark"] {
    --bg-color: #1a202c;
    --bg-gradient-start: #2d3748;
    --bg-gradient-end: #1a202c;
    --text-color: #f7fafc;
    --text-secondary: #a0aec0;
    --card-bg: #2d3748;
    --card-shadow: rgba(0, 0, 0, 0.3);
    --header-bg: rgba(26, 32, 44, 0.8);
    --input-bg: #2d3748;
    --input-border: #4a5568;
    --accent-color: #818cf8;
    --accent-hover: #6366f1;
    --footer-color: #a0aec0;
    --hero-grid-line: rgba(129, 140, 248, 0.1);
    --hero-glow-opacity: 0.25;
}

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background var(--transition), color var(--transition);
}

/* 顶部 */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 40px;
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px var(--card-shadow);
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-color);
    white-space: nowrap;
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s infinite;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1); 
    }

    50% { 
        transform: scale(1.05); 
    }
}

/* 顶部导航 */
.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link {
    display: inline-block;
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 50px;
    transition: all var(--transition);
}

.nav-link:hover {
    color: var(--accent-color);
    background: var(--card-bg);
}

.nav-link.is-active {
    color: var(--accent-color);
    background: var(--card-bg);
    font-weight: 600;
    box-shadow: 0 2px 8px var(--card-shadow);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-toggle {
    background: var(--card-bg);
    border: 2px solid var(--input-border);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all var(--transition);
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    border-color: var(--accent-color);
}

/* 汉堡菜单按钮（移动端显示） */
.nav-toggle {
    display: none;
    background: var(--card-bg);
    border: 2px solid var(--input-border);
    border-radius: 12px;
    width: 44px;
    height: 44px;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    transition: all var(--transition);
}

.nav-toggle:hover {
    border-color: var(--accent-color);
}

.nav-toggle-bar {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-color);
    border-radius: 2px;
    transition: all var(--transition);
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* 主体内容 */
.main {
    flex: 1;
    padding: 40px 20px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* ===== Hero 区（科技公司风格） ===== */
.hero {
    position: relative;
    text-align: center;
    padding: 90px 20px 70px;
    overflow: hidden;
    border-radius: 24px;
    background: var(--card-bg);
    border: 1px solid var(--input-border);
    box-shadow: 0 8px 40px var(--card-shadow);
    margin-bottom: 20px;
}

/* 网格 + 光晕背景 */
.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.hero-grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--hero-grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--hero-grid-line) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: var(--hero-glow-opacity);
}

.hero-glow-1 {
    width: 420px;
    height: 420px;
    top: -140px;
    left: -80px;
    background: var(--accent-color);
}

.hero-glow-2 {
    width: 380px;
    height: 380px;
    bottom: -160px;
    right: -60px;
    background: #ec4899;
    opacity: calc(var(--hero-glow-opacity) * 0.8);
}

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

.hero-badge {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-color);
    background: var(--card-bg);
    border: 1px solid var(--accent-color);
    border-radius: 50px;
    padding: 6px 18px;
    margin-bottom: 24px;
    box-shadow: 0 2px 10px var(--card-shadow);
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 20px;
    color: var(--text-color);
}

.hero-title-accent {
    background: linear-gradient(135deg, var(--accent-color), #ec4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 620px;
    margin: 0 auto 6px;
    line-height: 1.8;
}

/* Hero 服务关键词 */
.hero-keywords {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin: 22px 0 36px;
}

.hero-keyword {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--card-bg);
    border: 1px solid var(--input-border);
    border-radius: 50px;
    padding: 8px 18px;
    transition: all var(--transition);
}

.hero-keyword:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--card-shadow);
}

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

.btn-outline:hover {
    background: var(--accent-color);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--card-shadow);
}

/* Hero 数据指标 */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-top: 56px;
    padding-top: 32px;
    border-top: 1px solid var(--input-border);
    flex-wrap: wrap;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero-stat-num {
    font-size: 30px;
    font-weight: 800;
    color: var(--accent-color);
}

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

/* ===== 通用区块 ===== */
.section {
    padding: 40px 0 60px;
    scroll-margin-top: 80px;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
}

.section-sub {
    font-size: 16px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 40px;
}

/* ===== 服务区域 ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 4px 20px var(--card-shadow);
    transition: all var(--transition);
    border: 1px solid var(--input-border);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px var(--card-shadow);
    border-color: var(--accent-color);
}

.service-icon {
    font-size: 44px;
    margin-bottom: 16px;
}

.service-name {
    font-size: 19px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

.service-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== 技术能力 ===== */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

.capability-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 20px var(--card-shadow);
    transition: all var(--transition);
    border: 1px solid var(--input-border);
}

.capability-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px var(--card-shadow);
    border-color: var(--accent-color);
}

.capability-icon {
    font-size: 32px;
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gradient-start);
    border-radius: 12px;
}

.capability-name {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-color);
}

.capability-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== 项目展示 ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.project-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    text-decoration: none;
    color: var(--text-color);
    box-shadow: 0 4px 20px var(--card-shadow);
    transition: all var(--transition);
    border: 1px solid var(--input-border);
    display: block;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px var(--card-shadow);
    border-color: var(--accent-color);
}

.project-icon {
    font-size: 44px;
    margin-bottom: 16px;
    display: block;
}

.project-name {
    font-size: 19px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

.project-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== 关于景和科技 ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid var(--input-border);
    box-shadow: 0 4px 20px var(--card-shadow);
}

.about-text p {
    font-size: 15px;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.about-feature {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.about-feature-icon {
    font-size: 22px;
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gradient-start);
    border-radius: 10px;
}

.about-feature strong {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 3px;
}

.about-feature span:not(.about-feature-icon) {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== 联系我们 ===== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 36px 24px;
    text-decoration: none;
    box-shadow: 0 4px 20px var(--card-shadow);
    transition: all var(--transition);
    border: 1px solid var(--input-border);
}

.contact-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px var(--card-shadow);
    border-color: var(--accent-color);
}

.contact-icon {
    font-size: 36px;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gradient-start);
    border-radius: 50%;
}

.contact-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.contact-value {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-color);
    word-break: break-all;
}

.contact-card:hover .contact-value {
    color: var(--accent-color);
}

/* ===== 搜索框 ===== */
.search-container {
    text-align: center;
    margin-bottom: 40px;
    padding: 10px 20px;
}

.search-form {
    display: flex;
    max-width: 700px;
    margin: 0 auto;
    background: var(--input-bg);
    border-radius: 50px;
    padding: 6px;
    box-shadow: 0 4px 20px var(--card-shadow);
    border: 2px solid var(--input-border);
    transition: all var(--transition);
}

.search-engine-select {
    appearance: none;
    -webkit-appearance: none;
    background: transparent;
    border: none;
    padding: 0 36px 0 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
    cursor: pointer;
    outline: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%236b7280' d='M0 0l5 6 5-6z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    transition: color var(--transition);
}

.search-engine-select:hover {
    color: var(--accent-color);
}

.search-engine-select option {
    background: var(--input-bg);
    color: var(--text-color);
}

.search-form:focus-within {
    border-color: var(--accent-color);
    box-shadow: 0 4px 20px rgba(79, 70, 229, 0.2);
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 14px 20px;
    font-size: 16px;
    background: transparent;
    color: var(--text-color);
}

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

.search-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    cursor: pointer;
    font-size: 18px;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-btn:hover {
    background: var(--accent-hover);
    transform: scale(1.05);
}

/* 键盘焦点样式 */
.theme-toggle:focus-visible,
.nav-toggle:focus-visible,
.nav-link:focus-visible,
.search-btn:focus-visible,
.search-engine-select:focus-visible,
.nav-card:focus-visible,
.btn:focus-visible,
.project-card:focus-visible,
.contact-card:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

.search-input:focus-visible {
    outline: none;
}

/* ===== 资源导航 ===== */
.nav-categories {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

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

.category-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 10px;
}

.category-icon {
    font-size: 24px;
}

.category-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-color);
}

/* 导航卡片网格 */
.nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.nav-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    text-decoration: none;
    color: var(--text-color);
    box-shadow: 0 4px 20px var(--card-shadow);
    transition: all var(--transition);
    border: 1px solid var(--input-border);
    display: block;
}

.nav-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px var(--card-shadow);
    border-color: var(--accent-color);
}

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

.card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-color);
}

.card-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 无匹配提示 */
.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    font-size: 16px;
}

/* ===== 页脚 ===== */
.footer {
    text-align: center;
    padding: 40px 20px 30px;
    color: var(--footer-color);
    font-size: 14px;
    border-top: 1px solid var(--input-border);
    margin-top: 40px;
    background: var(--header-bg);
    scroll-margin-top: 80px;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 14px;
}

.footer-logo {
    font-size: 22px;
}

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

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.footer-contact {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    font-size: 14px;
}

.footer-contact a {
    color: var(--footer-color);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-contact a:hover {
    color: var(--accent-color);
}

.footer-links a {
    color: var(--footer-color);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-divider {
    color: var(--input-border);
}

.footer-copy {
    font-size: 13px;
}

/* 响应式布局 */
@media (max-width: 900px) {
    .capabilities-grid {
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    }
}

@media (max-width: 768px) {
    .header {
        padding: 12px 16px;
        gap: 12px;
    }
    
    .logo {
        font-size: 20px;
        flex: 1;
    }
    
    .logo-icon {
        font-size: 24px;
    }
    
    .theme-toggle {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    /* 移动端导航折叠 */
    .nav-toggle {
        display: flex;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: calc(100% + 6px);
        left: 16px;
        right: 16px;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        background: var(--card-bg);
        border: 1px solid var(--input-border);
        border-radius: 16px;
        padding: 12px;
        box-shadow: 0 12px 30px var(--card-shadow);
    }

    .main-nav.is-open {
        display: flex;
    }

    .nav-link {
        padding: 12px 16px;
        text-align: center;
        font-size: 15px;
    }

    .nav-link.is-active {
        box-shadow: none;
    }

    /* Hero 移动端 */
    .hero {
        padding: 50px 16px 40px;
        border-radius: 16px;
    }

    .hero-title {
        font-size: 34px;
    }

    .hero-badge {
        font-size: 12px;
        padding: 5px 14px;
    }

    .hero-sub {
        font-size: 15px;
    }

    .hero-keyword {
        font-size: 13px;
        padding: 6px 14px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
    }

    .contact-card {
        padding: 28px 20px;
        flex-direction: row;
        justify-content: flex-start;
        gap: 16px;
    }

    .contact-icon {
        font-size: 26px;
        width: 52px;
        height: 52px;
        flex-shrink: 0;
    }

    .contact-card .contact-label {
        display: none;
    }

    .footer-contact {
        gap: 12px;
        font-size: 13px;
    }

    .hero-stats {
        gap: 28px;
        margin-top: 40px;
        padding-top: 24px;
    }

    .hero-stat-num {
        font-size: 24px;
    }

    .btn {
        padding: 12px 28px;
        font-size: 15px;
    }

    .section {
        padding: 30px 0 40px;
        scroll-margin-top: 70px;
    }

    .section-title {
        font-size: 26px;
    }

    /* 关于单列 */
    .about-content {
        grid-template-columns: 1fr;
        padding: 28px 20px;
        gap: 28px;
    }

    .search-container {
        padding: 10px;
        margin-bottom: 30px;
    }
    
    .search-input {
        padding: 12px 16px;
        font-size: 14px;
    }

    .search-engine-select {
        padding: 0 32px 0 12px;
        font-size: 13px;
        background-position: right 12px center;
    }
    
    .search-btn {
        width: 40px;
        height: 40px;
    }
    
    .category {
        gap: 12px;
    }
    
    .category-title {
        font-size: 18px;
    }
    
    .nav-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 16px;
    }
    
    .nav-card {
        padding: 20px 12px;
    }
    
    .card-icon {
        font-size: 36px;
    }
    
    .card-title {
        font-size: 16px;
    }
    
    .card-desc {
        font-size: 12px;
    }

    .services-grid,
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 16px;
    }

    .service-card,
    .project-card {
        padding: 20px 12px;
    }

    .service-icon,
    .project-icon {
        font-size: 34px;
    }

    .service-name,
    .project-name {
        font-size: 16px;
    }

    .service-desc,
    .project-desc {
        font-size: 12px;
    }

    .capability-card {
        padding: 18px 16px;
        gap: 12px;
    }

    .capability-icon {
        width: 44px;
        height: 44px;
        font-size: 26px;
    }
}

@media (max-width: 480px) {
    .nav-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .category-title {
        font-size: 16px;
    }
}