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

/* CSS Variables - 清爽浅色主题 */
:root {
    --primary-color: #2B7DE9;
    --primary-dark: #1E6BCC;
    --primary-light: #F0F7FF;
    --secondary-color: #1D2129;
    --text-light: #4E5969;
    --text-lighter: #86909C;
    --bg-light: #F7F8FA;
    --bg-white: #FFFFFF;
    --border-color: #E5E6EB;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.08);
    --gradient-blue: linear-gradient(135deg, #2B7DE9 0%, #5BA3FF 100%);
}

/* Base Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--secondary-color);
    background-color: var(--bg-white);
    font-size: 16px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 16px;
    color: var(--secondary-color);
}

h1 {
    font-size: 2.5rem;
    color: var(--secondary-color);
}

h2 {
    font-size: 1.75rem;
    color: var(--secondary-color);
}

h3 {
    font-size: 1.25rem;
}

h4 {
    font-size: 1rem;
}

p {
    margin-bottom: 16px;
    color: var(--text-light);
}

ul, ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

li {
    margin-bottom: 8px;
    color: var(--text-light);
}

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

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

strong {
    font-weight: 600;
    color: var(--secondary-color);
}

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

/* Header */
header {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    padding: 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100px;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
}

.logo-wrapper:hover {
    text-decoration: none;
}

.logo-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
    box-shadow: 0 4px 12px rgba(43, 125, 233, 0.3);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--secondary-color);
    line-height: 1.4;
}

.logo-sub {
    font-size: 0.75rem;
    color: var(--text-lighter);
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
    align-items: center;
}

.nav-links li {
    margin-bottom: 0;
}

.nav-links a {
    color: var(--text-light);
    font-weight: 400;
    font-size: 1.0625rem;
    letter-spacing: 0.5px;
    padding: 6px 0;
}

.nav-links a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links a.active {
    color: var(--primary-color);
    font-weight: 600;
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1rem;
}

.nav-phone-icon {
    font-size: 1rem;
}

.nav-links a.active {
    color: var(--primary-color);
    font-weight: 600;
}

/* Hero Section */
.hero {
    padding: 72px 0;
    scroll-margin-top: 100px;
    background: var(--gradient-blue);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

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

.hero h1 {
    color: white;
    font-size: 2.375rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 28px;
    font-weight: 400;
}

.hero-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 28px;
}

.tag {
    background-color: rgba(255, 255, 255, 0.15);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.875rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.9375rem;
}

.hero-feature-icon {
    color: white;
    font-size: 0.875rem;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: white;
    color: var(--primary-color);
    padding: 14px 36px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.hero-btn:hover {
    color: var(--primary-color);
    text-decoration: none;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

/* Section */
.section {
    padding: 64px 0;
    scroll-margin-top: 100px;
}

.contact-section {
    scroll-margin-top: 100px;
}

.section-alt {
    background-color: var(--bg-light);
}

.section-title {
    text-align: center;
    margin-bottom: 48px;
}

.section-title h2 {
    color: var(--secondary-color);
    margin-bottom: 8px;
    font-weight: 700;
}

.section-title p {
    font-size: 1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.section-title-line {
    width: 48px;
    height: 3px;
    background: var(--gradient-blue);
    margin: 16px auto 0;
    border-radius: 2px;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.service-card {
    background-color: var(--bg-white);
    padding: 28px 20px;
    border-radius: 8px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    text-align: center;
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-blue);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: white;
    font-size: 1.75rem;
    box-shadow: 0 4px 12px rgba(43, 125, 233, 0.25);
}

.service-card h3 {
    color: var(--secondary-color);
    margin-bottom: 10px;
    font-size: 1rem;
    font-weight: 600;
}

.service-card p {
    color: var(--text-lighter);
    margin-bottom: 16px;
    font-size: 0.875rem;
    line-height: 1.6;
}

.service-card .service-link {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--primary-color);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.service-card .service-link::after {
    content: '→';
    font-size: 0.75rem;
}

/* Stats Section */
.stats-section {
    background: var(--gradient-blue);
    padding: 48px 0;
    scroll-margin-top: 100px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-item {
    text-align: center;
    color: white;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.9375rem;
    opacity: 0.95;
}

/* Advantages */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.advantage-card {
    text-align: center;
    padding: 32px 24px;
    background-color: var(--bg-white);
    border-radius: 8px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
}

.advantage-icon {
    width: 64px;
    height: 64px;
    background-color: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--primary-color);
    font-size: 1.75rem;
    font-weight: 700;
}

.advantage-card h3 {
    margin-bottom: 10px;
    font-size: 1.0625rem;
    font-weight: 600;
}

.advantage-card p {
    margin-bottom: 0;
    font-size: 0.875rem;
    color: var(--text-lighter);
    line-height: 1.7;
}

/* About Section */
.about-section {
    background-color: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.about-image {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.about-image-placeholder {
    width: 100%;
    height: 280px;
    background: var(--gradient-blue);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
}

.about-image-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.about-image-text {
    font-size: 1.25rem;
    font-weight: 600;
}

.about-text h3 {
    font-size: 1.375rem;
    margin-bottom: 20px;
}

.about-text p {
    font-size: 0.9375rem;
    line-height: 1.8;
    margin-bottom: 24px;
}

.about-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 28px;
    border-radius: 4px;
    font-weight: 500;
    font-size: 0.9375rem;
}

.about-btn:hover {
    background-color: var(--primary-dark);
    color: white;
    text-decoration: none;
}

/* Banner Section */
.banner {
    position: relative;
    background: linear-gradient(135deg, #E6F2FF 0%, #FFFFFF 100%);
    padding: 80px 0;
    overflow: hidden;
}

.banner .container {
    position: relative;
    z-index: 2;
}

.banner-content {
    max-width: 620px;
}

.banner-image-col {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 55%;
    z-index: 1;
    overflow: hidden;
}

.banner-image-col img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: right;
    display: block;
    mask-image: linear-gradient(to right, transparent 10%, black 20%, black 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 10%, black 20%, black 100%);
}

.banner-text .banner-subtitle {
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.banner-text h1 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--secondary-color);
    line-height: 1.3;
    margin-bottom: 6px;
}

.banner-text h1 .highlight {
    color: var(--primary-color);
}

.banner-text .banner-desc {
    color: var(--text-light);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin: 20px 0;
}

.banner-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 28px;
}

.banner-tag {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-light);
    font-size: 0.8125rem;
}

.banner-tag-icon {
    color: var(--primary-color);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
}

.banner-buttons {
    display: flex;
    gap: 16px;
}

.banner-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9375rem;
    box-shadow: 0 4px 12px rgba(43, 125, 233, 0.3);
    transition: all 0.3s ease;
}

.banner-btn-primary:hover {
    background-color: var(--primary-dark);
    color: white;
    text-decoration: none;
    box-shadow: 0 6px 16px rgba(43, 125, 233, 0.4);
}

.banner-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: all 0.3s ease;
}

.banner-btn-secondary:hover {
    background-color: var(--primary-light);
    color: var(--primary-color);
    text-decoration: none;
}

/* Service Card Sub-Items */
.service-list {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
    text-align: center;
}

.service-list li {
    padding: 4px 0;
    color: var(--text-lighter);
    font-size: 0.8125rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 0;
}

.service-list li::before {
    content: '';
    width: 4px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 50%;
    flex-shrink: 0;
}

.service-card p {
    margin-bottom: 12px;
}

/* Advantages 6-grid */
.advantages-grid-6 {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

/* Stats 6-grid */
.stats-grid-6 {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    text-align: center;
    color: white;
}

.stat-item-6 {
    padding: 8px 4px;
}

.stat-number-6 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.stat-label-6 {
    font-size: 0.8125rem;
    opacity: 0.85;
}

/* About Left-Right Image */
.about-image-box {
    width: 100%;
    height: 320px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.about-image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-image-box-bottom {
    width: 100%;
    height: 200px;
    background: var(--bg-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-lighter);
    border: 2px dashed var(--border-color);
    font-size: 0.9375rem;
}

.about-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.about-text-block h2 {
    margin-bottom: 16px;
}

.about-text-block p {
    color: var(--text-light);
    font-size: 0.9375rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-btn-round {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all 0.3s ease;
}

.about-btn-round:hover {
    background-color: var(--primary-dark);
    color: white;
    text-decoration: none;
}

/* News Section */
.news-section {
    padding: 56px 0;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.news-card {
    background-color: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
}

.news-date {
    background-color: var(--primary-light);
    color: var(--primary-color);
    padding: 8px 16px;
    font-size: 0.75rem;
    font-weight: 600;
}

.news-content {
    padding: 20px;
}

.news-content h4 {
    font-size: 0.9375rem;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--secondary-color);
    line-height: 1.5;
}

.news-content p {
    font-size: 0.875rem;
    color: var(--text-lighter);
    margin-bottom: 0;
    line-height: 1.6;
}

/* Contact Section */
.contact-section {
    background-color: var(--bg-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 960px;
    margin: 0 auto;
}

.contact-info h3 {
    color: var(--secondary-color);
    margin-bottom: 28px;
    font-size: 1.125rem;
    font-weight: 600;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 18px 0;
    border-bottom: 1px solid var(--border-color);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-item-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background-color: var(--primary-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.contact-item-text strong {
    display: block;
    color: var(--secondary-color);
    margin-bottom: 4px;
    font-size: 1rem;
}

.contact-item-text span {
    color: var(--text-light);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* QR Codes in Contact Section */
.contact-qrcodes {
    display: flex;
    gap: 32px;
    justify-content: center;
}

.qrcode-item {
    text-align: center;
}

.qrcode-item img {
    width: 140px;
    height: 140px;
    display: block;
    margin: 0 auto 14px;
    border-radius: 8px;
    box-shadow: var(--shadow-card);
}

.qrcode-item .qrcode-label {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
}

.qrcode-item .qrcode-name {
    font-size: 0.8125rem;
    color: var(--text-lighter);
    margin-top: 4px;
}

/* FAQ Section */
.faq-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.faq-item {
    background-color: var(--bg-white);
    padding: 24px 28px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.faq-item h3 {
    color: var(--primary-color);
    font-size: 1.0625rem;
    margin-bottom: 12px;
    font-weight: 600;
    line-height: 1.5;
}

.faq-item p {
    margin-bottom: 0;
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.9375rem;
}

/* Footer */
footer {
    background-color: #424243;
    color: #C9CDD4;
    padding: 30px 0 0px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: #FFFFFF;
    margin-bottom: 24px;
    font-size: 1.0625rem;
    font-weight: 600;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-blue);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.125rem;
    font-weight: 700;
}

.footer-logo-text {
    color: #FFFFFF;
    font-weight: 600;
    font-size: 1.0625rem;
}

.footer-section p {
    color: #C9CDD4;
    font-size: 0.875rem;
    line-height: 1.8;
}

.footer-info-item {
    display: flex;
    align-items: flex-start;
    gap: 4px;
    margin-bottom: 12px;
    font-size: 0.875rem;
    color: #C9CDD4;
    line-height: 1.7;
}

.footer-info-item .label {
    color: #A1A7B3;
    white-space: nowrap;
    flex-shrink: 0;
}

.footer-links {
    list-style: none;
    padding-left: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #C9CDD4;
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: #FFFFFF;
}

.footer-friend-links {
    list-style: none;
    padding-left: 0;
}

.footer-friend-links li {
    margin-bottom: 12px;
}

.footer-friend-links a {
    color: #C9CDD4;
    font-size: 0.875rem;
}

.footer-friend-links a:hover {
    color: #FFFFFF;
}

.footer-follow-text {
    font-size: 0.875rem;
    color: #C9CDD4;
    margin-bottom: 16px;
    line-height: 1.7;
}

.footer-qrcode-img {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    display: block;
    margin-bottom: 12px;
    border: 1px solid #555;
}

.footer-wechat-name {
    font-size: 0.875rem;
    color: #A1A7B3;
}

.footer-bottom {
    text-align: center;
    padding-top: 0;
    border-top: 1px solid #555;
    font-size: 0.8125rem;
    color: #AAAAAA;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-bottom p {
    margin-bottom: 0;
    color: inherit;
}

.footer-bottom a {
    color: #86909C;
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* Service Detail Page */
.service-detail {
    padding: 48px 0 64px;
}

.breadcrumb {
    margin-bottom: 24px;
    font-size: 0.875rem;
    color: var(--text-lighter);
}

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

.service-detail-header {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.service-detail-header h1 {
    margin-bottom: 12px;
    font-size: 1.875rem;
    color: var(--secondary-color);
}

.service-detail-header p {
    font-size: 1.0625rem;
    margin-bottom: 0;
}

.service-detail-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
}

.service-main h2 {
    font-size: 1.375rem;
    margin-top: 32px;
    margin-bottom: 16px;
    color: var(--secondary-color);
    font-weight: 600;
}

.service-main h2:first-child {
    margin-top: 0;
}

.service-main h3 {
    font-size: 1.125rem;
    margin-top: 24px;
    margin-bottom: 12px;
}

.service-main p {
    font-size: 0.9375rem;
    line-height: 1.8;
}

.service-main li {
    font-size: 0.9375rem;
}

.service-sidebar {
    position: sticky;
    top: 88px;
}

.sidebar-card {
    background-color: var(--bg-white);
    padding: 24px;
    border-radius: 8px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
}

.sidebar-card h4 {
    margin-bottom: 20px;
    color: var(--secondary-color);
    font-size: 1.125rem;
    font-weight: 600;
}

.sidebar-card p {
    font-size: 0.9375rem;
    margin-bottom: 10px;
}

.price-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

.price-table th,
.price-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
}

.price-table th {
    background-color: var(--bg-light);
    font-weight: 600;
    color: var(--secondary-color);
}

.price-table td strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* Service Sidebar Navigation */
.service-nav {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.service-nav li {
    margin-bottom: 0;
    border-bottom: 1px solid var(--border-color);
}

.service-nav li:last-child {
    border-bottom: none;
}

.service-nav a {
    display: block;
    padding: 10px 12px;
    color: var(--text-light);
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all 0.2s ease;
}

.service-nav a:hover {
    color: var(--primary-color);
    background-color: var(--primary-light);
    padding-left: 16px;
}

.service-nav a.active {
    color: var(--primary-color);
    font-weight: 600;
    background-color: var(--primary-light);
    border-left: 3px solid var(--primary-color);
}

/* Related Services */
.related-services {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.related-services h3 {
    margin-bottom: 24px;
    font-size: 1.25rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.related-card {
    background-color: var(--bg-light);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.related-card h4 {
    margin-bottom: 8px;
    font-size: 1rem;
    font-weight: 600;
}

.related-card a {
    font-size: 0.875rem;
}

/* News Section */
.news-item {
    background-color: var(--bg-white);
    padding: 24px 28px;
    margin-bottom: 16px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
}

.news-item h3 {
    color: var(--primary-color);
    font-size: 1.0625rem;
    margin-bottom: 12px;
    font-weight: 600;
    line-height: 1.5;
}

.news-item p {
    margin-bottom: 0;
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.9375rem;
}

/* Friend Links */
.friend-links {
    background-color: var(--bg-light);
    padding: 16px 0;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
}

.friend-links-content {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.friend-links-label {
    color: var(--text-lighter);
    font-weight: 500;
    white-space: nowrap;
}

.friend-links a {
    color: var(--text-light);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid-6 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .stats-grid-6 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-wrap {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 1.875rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .hero {
        padding: 48px 0;
    }
    
    .hero h1 {
        font-size: 1.875rem;
    }
    
    .section {
        padding: 48px 0;
    }
    
    .nav-links {
        display: none;
    }
    
    .nav-phone {
        font-size: 0.875rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid-6 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid-6 {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .stat-number-6 {
        font-size: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .banner {
        padding: 40px 0;
    }
    
    .banner-content {
        max-width: 100%;
    }
    
    .banner-image-col {
        width: 40%;
        opacity: 0.4;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-wrap {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .service-detail-content {
        grid-template-columns: 1fr;
    }
    
    .service-sidebar {
        position: static;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-features {
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid-6 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid-6 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
}

/* Accessibility */
:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    header, footer, .hero-btn, .service-link {
        display: none;
    }
    
    body {
        font-size: 12pt;
    }
    
    .section {
        padding: 20px 0;
    }
}
