/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #030213;
    --blue-600: #2563eb;
    --purple-600: #9333ea;
    --foreground: #1a1a1a;
    --foreground-70: rgba(26, 26, 26, 0.7);
    --foreground-60: rgba(26, 26, 26, 0.6);
    --border: rgba(0, 0, 0, 0.1);
    --background: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--foreground);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.logo-box {
    background: linear-gradient(to right, var(--blue-600), var(--purple-600));
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
}

.logo-box span {
    color: white;
    font-weight: 500;
}

.nav-desktop {
    display: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--foreground-70);
    transition: color 0.3s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--blue-600);
}

.btn-primary {
    background: linear-gradient(to right, var(--blue-600), var(--purple-600));
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    transition: opacity 0.3s;
}

.btn-primary:hover {
    opacity: 0.9;
}

.menu-toggle {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-mobile {
    display: none;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem 0;
    border-top: 1px solid var(--border);
}

.nav-mobile.active {
    display: flex;
}

.nav-link-mobile {
    text-decoration: none;
    color: var(--foreground-70);
    padding: 0.5rem 0;
    transition: color 0.3s;
}

.nav-link-mobile:hover {
    color: var(--blue-600);
}

/* Hero Section */
.hero-section {
    padding: 8rem 1rem 4rem;
}

.hero-grid {
    display: grid;
    gap: 3rem;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: #dbeafe;
    border-radius: 9999px;
    color: var(--blue-600);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.badge-blue {
    background: #dbeafe;
    color: var(--blue-600);
}

.badge-purple {
    background: #fae8ff;
    color: var(--purple-600);
}

.badge-white {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    color: var(--purple-600);
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(to right, var(--blue-600), var(--purple-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--foreground-70);
    max-width: 40rem;
    margin-bottom: 2rem;
}

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

.btn-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(to right, var(--blue-600), var(--purple-600));
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    transition: opacity 0.3s;
}

.btn-large:hover {
    opacity: 0.9;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: 1px solid var(--border);
    color: var(--foreground);
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    transition: background-color 0.3s;
}

.btn-outline:hover {
    background-color: var(--gray-50);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    padding-top: 2rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 600;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--foreground-60);
    margin-top: 0.25rem;
}

.hero-image {
    position: relative;
}

.image-container {
    aspect-ratio: 1;
    border-radius: 1rem;
    overflow: hidden;
    background: linear-gradient(to bottom right, #dbeafe, #fae8ff);
}

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

.blob {
    position: absolute;
    width: 8rem;
    height: 8rem;
    border-radius: 1rem;
    opacity: 0.2;
    filter: blur(60px);
}

.blob-1 {
    bottom: -1.5rem;
    right: -1.5rem;
    background: linear-gradient(to bottom right, var(--blue-600), var(--purple-600));
}

.blob-2 {
    top: -1.5rem;
    left: -1.5rem;
    background: linear-gradient(to bottom right, var(--purple-600), var(--blue-600));
}

/* Services Section */
.services-section {
    padding: 5rem 1rem;
    background-color: var(--gray-50);
}

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

.section-title {
    font-size: 2rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.section-description {
    color: var(--foreground-70);
    max-width: 42rem;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    gap: 2rem;
}

.service-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s;
}

.service-card:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.service-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 1.5rem;
    transition: transform 0.3s;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.gradient-blue {
    background: linear-gradient(to right, #3b82f6, #06b6d4);
}

.gradient-purple {
    background: linear-gradient(to right, #a855f7, #ec4899);
}

.gradient-orange {
    background: linear-gradient(to right, #f97316, #ef4444);
}

.gradient-green {
    background: linear-gradient(to right, #10b981, #059669);
}

.gradient-yellow {
    background: linear-gradient(to right, #eab308, #f97316);
}

.gradient-indigo {
    background: linear-gradient(to right, #6366f1, #a855f7);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.service-description {
    color: var(--foreground-70);
    line-height: 1.6;
}

/* Cases Section */
.cases-section {
    padding: 5rem 1rem;
}

.cases-grid {
    display: grid;
    gap: 2rem;
}

.case-card {
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s;
}

.case-card:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.case-image {
    position: relative;
    height: 16rem;
    overflow: hidden;
}

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

.case-card:hover .case-image img {
    transform: scale(1.1);
}

.case-category {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
}

.case-content {
    padding: 1.5rem;
}

.case-title {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.case-description {
    color: var(--foreground-70);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    padding: 0.25rem 0.75rem;
    background: var(--gray-100);
    border-radius: 9999px;
    font-size: 0.75rem;
    color: var(--foreground-70);
}

.case-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--blue-600);
    font-size: 0.875rem;
    text-decoration: none;
    transition: gap 0.3s;
}

.case-link:hover {
    gap: 0.75rem;
}

/* Advantages Section */
.advantages-section {
    padding: 5rem 1rem;
    background: linear-gradient(to bottom right, #dbeafe, #fae8ff, #fce7f3);
}

.advantages-grid {
    display: grid;
    gap: 2rem;
    margin-bottom: 4rem;
}

.advantage-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s;
}

.advantage-card:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    transform: translateY(-0.5rem);
}

.advantage-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1rem;
    background: linear-gradient(to right, var(--blue-600), var(--purple-600));
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.advantage-title {
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.advantage-description {
    color: var(--foreground-70);
    font-size: 0.875rem;
}

.about-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    padding: 2rem;
}

.about-grid {
    display: grid;
    gap: 2rem;
    align-items: center;
}

.about-title {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.about-text {
    color: var(--foreground-70);
    margin-bottom: 1rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.about-stat {
    border-radius: 0.75rem;
    padding: 1.5rem;
    color: white;
}

.gradient-blue-purple {
    background: linear-gradient(to bottom right, #3b82f6, #a855f7);
}

.gradient-purple-pink {
    background: linear-gradient(to bottom right, #a855f7, #ec4899);
}

.gradient-orange-red {
    background: linear-gradient(to bottom right, #f97316, #ef4444);
}

.gradient-green-emerald {
    background: linear-gradient(to bottom right, #10b981, #059669);
}

.about-stat-number {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.about-stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Contact Section */
.contact-section {
    padding: 5rem 1rem;
}

.contact-grid {
    display: grid;
    gap: 3rem;
}

.contact-heading {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon-blue {
    background: #dbeafe;
    color: var(--blue-600);
}

.contact-icon-purple {
    background: #f3e8ff;
    color: var(--purple-600);
}

.contact-icon-green {
    background: #d1fae5;
    color: #059669;
}

.contact-item-title {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.contact-item-text {
    color: var(--foreground-70);
}

.contact-item-subtext {
    color: var(--foreground-70);
    font-size: 0.875rem;
}

.work-hours {
    background: linear-gradient(to bottom right, #dbeafe, #fae8ff);
    border-radius: 1rem;
    padding: 2rem;
}

.work-hours-title {
    font-weight: 500;
    margin-bottom: 1rem;
}

.work-hours-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.work-hours-day {
    color: var(--foreground-70);
}

.contact-form-container {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--blue-600);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    resize: none;
}

.btn-submit {
    width: 100%;
    background: linear-gradient(to right, var(--blue-600), var(--purple-600));
    color: white;
    padding: 0.75rem;
    border: none;
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: opacity 0.3s;
}

.btn-submit:hover {
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 3rem 1rem;
}

.footer-grid {
    display: grid;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-company {
    grid-column: span 1;
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--gray-400);
    margin-bottom: 1rem;
}

.footer-tagline {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-tagline svg {
    color: var(--blue-600);
}

.footer-heading {
    color: white;
    margin-bottom: 1rem;
}

.footer-link-list {
    list-style: none;
}

.footer-link-list li {
    margin-bottom: 0.5rem;
}

.footer-link {
    color: var(--gray-300);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-link:hover {
    color: white;
}

.footer-contact-list {
    list-style: none;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
}

.footer-contact-item svg {
    color: var(--blue-600);
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray-500);
}

.footer-icp {
    margin-top: 0.5rem;
}

.footer-icp a {
    color: var(--gray-500);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-icp a:hover {
    color: var(--gray-400);
}

/* 联系方式弹窗 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: relative;
    background: white;
    border-radius: 1.5rem;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    animation: slideUp 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    z-index: 10;
}

.modal-close:hover {
    background: var(--gray-200);
    transform: rotate(90deg);
}

.modal-header {
    text-align: center;
    padding: 2rem 2rem 1rem;
    background: linear-gradient(to bottom right, #dbeafe, #fae8ff);
    border-radius: 1.5rem 1.5rem 0 0;
}

.modal-icon {
    width: 3rem;
    height: 3rem;
    margin: 0 auto 0.75rem;
    background: linear-gradient(to right, var(--blue-600), var(--purple-600));
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.modal-icon svg {
    width: 24px;
    height: 24px;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--foreground);
}

.modal-subtitle {
    color: var(--foreground-70);
    font-size: 0.813rem;
}

.modal-body {
    padding: 1rem;
}

.modal-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.875rem;
    background: var(--gray-50);
    border-radius: 0.75rem;
    margin-bottom: 0.75rem;
    transition: all 0.3s;
}

.modal-contact-item:hover {
    background: #e5e7eb;
    transform: translateX(4px);
}

.modal-contact-item:last-child {
    margin-bottom: 0;
}

.modal-contact-icon {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.modal-contact-icon svg {
    width: 18px;
    height: 18px;
}

.modal-icon-phone {
    background: #dbeafe;
    color: var(--blue-600);
}

.modal-icon-wechat {
    background: #d1fae5;
    color: #059669;
}

.modal-icon-email {
    background: #f3e8ff;
    color: var(--purple-600);
}

.modal-icon-location {
    background: #fef3c7;
    color: #f59e0b;
}

.modal-contact-content {
    flex: 1;
}

.modal-contact-label {
    font-size: 0.813rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.125rem;
}

.modal-contact-value {
    font-size: 0.938rem;
    font-weight: 600;
    color: var(--blue-600);
    margin-bottom: 0.125rem;
    display: block;
    text-decoration: none;
}

.modal-contact-value:hover {
    color: var(--purple-600);
}

.modal-contact-desc {
    font-size: 0.688rem;
    color: var(--foreground-60);
}

.modal-copy-btn {
    padding: 0.375rem;
    background: white;
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.modal-copy-btn svg {
    width: 14px;
    height: 14px;
}

.modal-copy-btn:hover {
    background: var(--blue-600);
    border-color: var(--blue-600);
    color: white;
}

.modal-copy-btn svg {
    stroke: currentColor;
}

.modal-footer {
    padding: 1rem;
    border-top: 1px solid var(--border);
    background: var(--gray-50);
    border-radius: 0 0 1.5rem 1.5rem;
}

.modal-footer-text {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    font-size: 0.813rem;
    color: var(--foreground-70);
}

.modal-footer-text svg {
    width: 14px;
    height: 14px;
    color: var(--blue-600);
    flex-shrink: 0;
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 防止滚动穿透 */
body.modal-open {
    overflow: hidden;
}

/* 弹窗响应式优化 */
@media (max-width: 640px) {
    .modal {
        padding: 0.5rem;
    }

    .modal-content {
        border-radius: 1rem;
        max-height: 95vh;
    }

    .modal-header {
        padding: 1.5rem 1.25rem 0.875rem;
        border-radius: 1rem 1rem 0 0;
    }

    .modal-icon {
        width: 2.5rem;
        height: 2.5rem;
        margin-bottom: 0.5rem;
    }

    .modal-icon svg {
        width: 20px;
        height: 20px;
    }

    .modal-title {
        font-size: 1.125rem;
    }

    .modal-subtitle {
        font-size: 0.75rem;
    }

    .modal-body {
        padding: 0.875rem;
    }

    .modal-contact-item {
        padding: 0.75rem;
        flex-wrap: wrap;
        gap: 0.625rem;
        margin-bottom: 0.625rem;
    }

    .modal-contact-icon {
        width: 2rem;
        height: 2rem;
    }

    .modal-contact-icon svg {
        width: 16px;
        height: 16px;
    }

    .modal-contact-label {
        font-size: 0.75rem;
    }

    .modal-contact-value {
        font-size: 0.875rem;
    }

    .modal-contact-desc {
        font-size: 0.625rem;
    }

    .modal-copy-btn {
        margin-left: auto;
        padding: 0.313rem;
    }

    .modal-copy-btn svg {
        width: 13px;
        height: 13px;
    }

    .modal-footer {
        padding: 0.875rem;
    }

    .modal-footer-text {
        font-size: 0.75rem;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.313rem;
    }

    .modal-footer-text svg {
        width: 13px;
        height: 13px;
    }

    .modal-close {
        width: 2rem;
        height: 2rem;
        top: 0.625rem;
        right: 0.625rem;
    }

    .modal-close svg {
        width: 18px;
        height: 18px;
    }
}

/* 超小屏幕优化 */
@media (max-width: 375px) {
    .modal-header {
        padding: 1.25rem 1rem 0.75rem;
    }

    .modal-body {
        padding: 0.75rem;
    }

    .modal-contact-item {
        padding: 0.625rem;
        margin-bottom: 0.5rem;
    }

    .modal-footer {
        padding: 0.75rem;
    }
}

/* 横屏模式优化 */
@media (max-height: 600px) and (orientation: landscape) {
    .modal-content {
        max-height: 98vh;
    }

    .modal-header {
        padding: 1.25rem 2rem 0.75rem;
    }

    .modal-icon {
        width: 2.5rem;
        height: 2.5rem;
        margin-bottom: 0.5rem;
    }

    .modal-icon svg {
        width: 20px;
        height: 20px;
    }

    .modal-title {
        font-size: 1.125rem;
        margin-bottom: 0.25rem;
    }

    .modal-subtitle {
        font-size: 0.75rem;
    }

    .modal-body {
        padding: 0.875rem;
    }

    .modal-contact-item {
        padding: 0.75rem;
        margin-bottom: 0.625rem;
    }

    .modal-footer {
        padding: 0.875rem;
    }
}



/* 响应式设计 */
@media (min-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .nav-desktop {
        display: flex;
    }

    .menu-toggle {
        display: none;
    }

    .nav-mobile {
        display: none !important;
    }

    .hero-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-buttons {
        flex-direction: row;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-company {
        grid-column: span 1;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .cases-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .advantages-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }

    .footer-company {
        grid-column: span 1;
    }
}