/* ========== 墨刀风格 - 全新设计 ========== */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.8;
    color: #2c3e50;
    background: #ffffff;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ========== 导航栏 - 墨刀风格 ========== */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
}

.logo {
    font-size: 1.4rem;
    font-weight: 600;
    color: #2c3e50;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.nav-menu a {
    text-decoration: none;
    color: #5a6c7d;
    font-weight: 400;
    font-size: 0.95rem;
    transition: color 0.3s;
    position: relative;
}

.nav-menu a:hover {
    color: #2c3e50;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #2c3e50;
}

/* ========== 英雄区 - 墨刀风格 ========== */
.hero {
    background: #ffffff;
    padding: 140px 0 120px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.promo-badge {
    display: inline-block;
    background: #f7f9fc;
    color: #5a6c7d;
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 2rem;
    font-weight: 400;
    border: 1px solid #e8ecf1;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    font-weight: 600;
    letter-spacing: -2px;
    color: #1a1a1a;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    color: #5a6c7d;
    font-weight: 400;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.btn {
    padding: 16px 36px;
    font-size: 1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: #2c3e50;
    color: #fff;
}

.btn-primary:hover {
    background: #1a252f;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(44, 62, 80, 0.2);
}

.btn-secondary {
    background: transparent;
    color: #2c3e50;
    border: 1px solid #e8ecf1;
}

.btn-secondary:hover {
    background: #f7f9fc;
    border-color: #2c3e50;
}

/* 统计数据 - 墨刀风格 */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
    padding-top: 3rem;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.stat-label {
    font-size: 0.9rem;
    color: #5a6c7d;
    font-weight: 400;
}

/* ========== 通用区块 ========== */
section {
    padding: 120px 0;
    position: relative;
    z-index: 2;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #1a1a1a;
    font-weight: 600;
    letter-spacing: -1.5px;
}

.section-subtitle {
    text-align: center;
    color: #5a6c7d;
    font-size: 1.2rem;
    margin-bottom: 5rem;
    font-weight: 400;
}

/* ========== 服务项目 - 墨刀风格 ========== */
.services {
    background: #fafbfc;
    overflow: hidden;
}

.services-scroll-container {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    margin: 0 -40px;
    padding: 0 40px;
}

.services-scroll-container::-webkit-scrollbar {
    height: 6px;
}

.services-scroll-container::-webkit-scrollbar-track {
    background: #e8ecf1;
    border-radius: 3px;
}

.services-scroll-container::-webkit-scrollbar-thumb {
    background: #2c3e50;
    border-radius: 3px;
}

.services-scroll-container::-webkit-scrollbar-thumb:hover {
    background: #1a252f;
}

.services-scroll {
    display: flex;
    gap: 2rem;
    padding-bottom: 1rem;
}

.service-card-horizontal {
    flex: 0 0 320px;
    background: white;
    padding: 3rem 2rem;
    border-radius: 16px;
    border: 1px solid #e8ecf1;
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
}

.service-card-horizontal:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    border-color: #2c3e50;
}

.service-icon-large {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.service-card-horizontal h3 {
    font-size: 1.4rem;
    color: #1a1a1a;
    margin-bottom: 1rem;
    text-align: center;
    font-weight: 600;
}

.service-card-horizontal p {
    color: #5a6c7d;
    text-align: center;
    line-height: 1.8;
    font-size: 0.95rem;
}

.service-tag {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: #2c3e50;
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* ========== 优势展示 - 墨刀风格 ========== */
.advantages {
    background: white;
}

.advantages-grid-four {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.advantage-card {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid #e8ecf1;
    transition: all 0.3s ease;
    position: relative;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    border-color: #2c3e50;
}

.advantage-icon-box {
    width: 64px;
    height: 64px;
    background: #f7f9fc;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.advantage-icon {
    font-size: 2rem;
}

.advantage-card h3 {
    font-size: 1.5rem;
    color: #1a1a1a;
    margin-bottom: 1rem;
    font-weight: 600;
}

.advantage-card p {
    color: #5a6c7d;
    line-height: 1.8;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.advantage-badge {
    display: inline-block;
    background: #f7f9fc;
    color: #2c3e50;
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid #e8ecf1;
}

/* ========== 热门证书 - 墨刀风格 ========== */
.certificates {
    background: #fafbfc;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.cert-card-link {
    text-decoration: none;
    display: block;
}

.cert-card-new {
    background: white;
    padding: 3rem 2rem;
    border-radius: 16px;
    border: 1px solid #e8ecf1;
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
    height: 100%;
}

.cert-card-new:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    border-color: #2c3e50;
}

.cert-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.cert-card-new h3 {
    font-size: 1.4rem;
    color: #1a1a1a;
    margin-bottom: 1rem;
    text-align: center;
    font-weight: 600;
}

.cert-card-new .cert-desc {
    color: #5a6c7d;
    text-align: center;
    margin-bottom: 2rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.cert-info-row {
    display: flex;
    justify-content: space-around;
    margin-bottom: 1.5rem;
    padding: 1.5rem 0;
    border-top: 1px solid #e8ecf1;
    border-bottom: 1px solid #e8ecf1;
}

.cert-info-row span {
    font-size: 0.85rem;
    color: #5a6c7d;
}

.cert-stats {
    text-align: center;
    margin-top: 1rem;
    color: #2c3e50;
    font-weight: 500;
    font-size: 0.9rem;
}

.cert-arrow {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    font-size: 1.5rem;
    color: #2c3e50;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.cert-card-new:hover .cert-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* ========== 学习流程 - 墨刀风格 ========== */
.process {
    background: white;
}

.timeline-horizontal {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.timeline-item-h {
    flex: 1;
    text-align: center;
}

.timeline-number {
    width: 56px;
    height: 56px;
    line-height: 56px;
    margin: 0 auto 1.5rem;
    background: #f7f9fc;
    color: #2c3e50;
    border-radius: 50%;
    font-size: 1.3rem;
    font-weight: 600;
    border: 2px solid #e8ecf1;
    transition: all 0.3s ease;
}

.timeline-item-h:hover .timeline-number {
    background: #2c3e50;
    color: white;
    border-color: #2c3e50;
    transform: scale(1.1);
}

.timeline-content h3 {
    font-size: 1.1rem;
    color: #1a1a1a;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.timeline-content p {
    color: #5a6c7d;
    font-size: 0.9rem;
    line-height: 1.6;
}

.timeline-arrow {
    font-size: 1.5rem;
    color: #e8ecf1;
    margin-top: 28px;
}

/* ========== 学员评价 - 墨刀风格 ========== */
.testimonials {
    background: #fafbfc;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid #e8ecf1;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    transform: translateY(-4px);
}

.testimonial-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    line-height: 48px;
    margin-right: 1rem;
    background: #f7f9fc;
    color: #2c3e50;
    border-radius: 50%;
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
}

.testimonial-info {
    text-align: left;
}

.testimonial-author {
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 0.2rem;
}

.testimonial-role {
    color: #5a6c7d;
    font-size: 0.85rem;
}

.testimonial-text {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: #5a6c7d;
    line-height: 1.8;
}

.testimonial-rating {
    margin-top: 1rem;
    font-size: 1rem;
}

.testimonial-time {
    color: #9ca8b4;
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

/* ========== FAQ - 墨刀风格 ========== */
.faq {
    background: white;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: 1rem;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e8ecf1;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: #2c3e50;
}

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
    color: #1a1a1a;
    transition: background 0.3s;
}

.faq-question:hover {
    background: #fafbfc;
}

.faq-icon {
    font-size: 1.5rem;
    color: #5a6c7d;
    transition: transform 0.3s;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 2rem;
    color: #5a6c7d;
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 2rem 1.5rem;
}

/* ========== 联系表单 - 墨刀风格 ========== */
.contact {
    background: #fafbfc;
}

.contact-subtitle {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 3rem;
    color: #5a6c7d;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 16px 20px;
    border: 1px solid #e8ecf1;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s;
    background: white;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #2c3e50;
    box-shadow: 0 0 0 3px rgba(44, 62, 80, 0.1);
}

.contact-form textarea {
    resize: vertical;
}

.btn-submit {
    width: 100%;
    margin-top: 1rem;
}

/* ========== 页脚 - 墨刀风格 ========== */
.footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 3rem 0;
}

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

/* ========== 悬浮按钮 - 墨刀风格 ========== */
.floating-contact {
    position: fixed;
    bottom: 40px;
    right: 40px;
    z-index: 999;
}

.float-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #2c3e50;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(44, 62, 80, 0.3);
    transition: all 0.3s;
}

.float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(44, 62, 80, 0.4);
}

.float-icon {
    font-size: 1.6rem;
}

/* ========== 弹窗 - 墨刀风格 ========== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    max-width: 500px;
    width: 90%;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    font-size: 2rem;
    cursor: pointer;
    color: #5a6c7d;
    transition: color 0.3s;
}

.modal-close:hover {
    color: #2c3e50;
}

.modal-content h3 {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: #1a1a1a;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-method-btn {
    display: flex;
    align-items: center;
    padding: 1.2rem 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: 1px solid #e8ecf1;
    background: white;
}

.contact-method-btn:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-color: #2c3e50;
}

.wechat-btn {
    color: #07c160;
}

.qq-btn {
    color: #12b7f5;
}

.phone-btn {
    color: #ff6b6b;
}

.method-icon {
    font-size: 2rem;
    margin-right: 1rem;
}

.method-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-right: auto;
    color: #1a1a1a;
}

.method-id {
    font-size: 0.9rem;
    color: #5a6c7d;
}

.contact-tips {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid #e8ecf1;
}

.contact-tips p {
    margin: 0.5rem 0;
    color: #5a6c7d;
    font-size: 0.9rem;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .navbar .container {
        padding: 15px 20px;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        background: white;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 2rem;
        gap: 0;
        transition: left 0.3s ease;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    
    .nav-menu.mobile-active {
        left: 0;
    }
    
    .nav-menu li {
        width: 100%;
        text-align: center;
        border-bottom: 1px solid #e8ecf1;
    }
    
    .nav-menu a {
        display: block;
        padding: 1.5rem;
        font-size: 1.1rem;
    }
    
    .hero {
        padding: 80px 0 60px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    /* 移动端统计数据 */
    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    /* 移动端服务项目 */
    .services-scroll-container {
        margin: 0 -20px;
        padding: 0 20px;
    }
    
    .services-scroll {
        gap: 1rem;
    }
    
    .service-card-horizontal {
        flex: 0 0 260px;
    }
    
    section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .advantages-grid-four {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .timeline-horizontal {
        flex-direction: column;
        gap: 2rem;
    }
    
    .timeline-arrow {
        transform: rotate(90deg);
        margin: 0;
    }
    
    .floating-contact {
        bottom: 20px;
        right: 20px;
    }
}

/* ========== 移动端全面优化 ========== */

/* 平板设备 (768px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .advantages-grid-four {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 小屏手机 (最大 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .navbar .container {
        padding: 12px 15px;
    }
    
    .logo {
        font-size: 1.2rem;
    }
    
    .hero {
        padding: 60px 0 50px;
    }
    
    .hero h1 {
        font-size: 2rem;
        letter-spacing: -1px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .promo-badge {
        font-size: 0.8rem;
        padding: 6px 14px;
    }
    
    .btn {
        padding: 14px 28px;
        font-size: 0.95rem;
    }
    
    .hero-cta {
        gap: 0.8rem;
    }
    
    /* 统计数据 */
    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .stat-item {
        min-width: auto;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
    
    /* 区块间距 */
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 0.8rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 3rem;
    }
    
    /* 服务卡片 */
    .service-card-horizontal {
        flex: 0 0 240px;
        padding: 2rem 1.5rem;
    }
    
    .service-icon-large {
        font-size: 2.5rem;
    }
    
    .service-card-horizontal h3 {
        font-size: 1.2rem;
    }
    
    .service-card-horizontal p {
        font-size: 0.9rem;
    }
    
    @keyframes scrollServices {
        0% {
            transform: translateX(0);
        }
        100% {
            transform: translateX(calc(-240px * 6 - 1rem * 6));
        }
    }
    
    /* 优势卡片 */
    .advantage-card {
        padding: 2rem 1.5rem;
    }
    
    .advantage-icon-box {
        width: 56px;
        height: 56px;
    }
    
    .advantage-icon {
        font-size: 1.8rem;
    }
    
    .advantage-card h3 {
        font-size: 1.3rem;
    }
    
    .advantage-card p {
        font-size: 0.95rem;
    }
    
    /* 证书卡片 */
    .cert-card-new {
        padding: 2rem 1.5rem;
    }
    
    .cert-icon {
        font-size: 2rem;
    }
    
    .cert-card-new h3 {
        font-size: 1.2rem;
    }
    
    .cert-card-new .cert-desc {
        font-size: 0.9rem;
    }
    
    .cert-info-row {
        flex-direction: column;
        gap: 0.5rem;
        padding: 1rem 0;
    }
    
    .cert-info-row span {
        font-size: 0.8rem;
    }
    
    /* 学习流程 */
    .timeline-number {
        width: 48px;
        height: 48px;
        line-height: 48px;
        font-size: 1.1rem;
    }
    
    .timeline-content h3 {
        font-size: 1rem;
    }
    
    .timeline-content p {
        font-size: 0.85rem;
    }
    
    /* 学员评价 */
    .testimonial-card {
        padding: 2rem 1.5rem;
    }
    
    .testimonial-avatar {
        width: 40px;
        height: 40px;
        line-height: 40px;
        font-size: 1rem;
    }
    
    .testimonial-text {
        font-size: 0.95rem;
    }
    
    /* FAQ */
    .faq-question {
        padding: 1.2rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .faq-answer {
        padding: 0 1.5rem;
        font-size: 0.9rem;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 1.5rem 1.2rem;
    }
    
    /* 联系表单 */
    .contact-form input,
    .contact-form select,
    .contact-form textarea {
        padding: 14px 16px;
        font-size: 0.95rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* 悬浮按钮 */
    .floating-contact {
        bottom: 15px;
        right: 15px;
    }
    
    .float-btn {
        width: 50px;
        height: 50px;
    }
    
    .float-icon {
        font-size: 1.4rem;
    }
    
    /* 弹窗 */
    .modal-content {
        padding: 2rem 1.5rem;
        width: 95%;
    }
    
    .modal-content h3 {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .contact-method-btn {
        padding: 1rem;
        flex-wrap: wrap;
    }
    
    .method-icon {
        font-size: 1.5rem;
    }
    
    .method-name {
        font-size: 1rem;
    }
    
    .method-id {
        font-size: 0.85rem;
        width: 100%;
        text-align: center;
        margin-top: 0.5rem;
    }
    
    /* 页脚 */
    .footer {
        padding: 2rem 0;
        font-size: 0.9rem;
    }
}

/* 横屏模式优化 */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding: 60px 0 40px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .stats {
        padding-top: 2rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .modal-content {
        max-height: 85vh;
        overflow-y: auto;
    }
}

/* 触摸优化 */
@media (hover: none) and (pointer: coarse) {
    /* 增大可点击区域 */
    .btn,
    .contact-method-btn,
    .faq-question,
    .nav-menu a {
        min-height: 44px;
    }
    
    /* 移除悬停效果 */
    .service-card-horizontal:hover,
    .advantage-card:hover,
    .cert-card-new:hover {
        transform: none;
    }
    
    /* 点击时的反馈 */
    .btn:active,
    .contact-method-btn:active {
        transform: scale(0.98);
    }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* 暗黑模式支持（可选） */
@media (prefers-color-scheme: dark) {
    /* 如果需要暗黑模式，可以在这里添加样式 */
}

/* 减少动画（无障碍） */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .stats-track,
    .services-scroll {
        animation: none !important;
    }
}

/* 打印样式 */
@media print {
    .navbar,
    .floating-contact,
    .modal {
        display: none !important;
    }
    
    section {
        page-break-inside: avoid;
    }
}