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

body {
    font-family: "Inter", system-ui, -apple-system, sans-serif;
    color: #1a1e2b;
    line-height: 1.5;
    background-color: #ffffff;
    scroll-behavior: smooth;
}

html {
    scroll-padding-top: 80px;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

:root {
    --hs-primary-start: #fc8209;
    --hs-primary-end: #fd0717;
    --hs-primary: #fd5c1a;
    --hs-light-bg: #fff5ef;
    --hs-hover: #e05a10;
}

.header {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid #f0f2f6;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding-top: 16px;
    padding-bottom: 16px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #fc8209, #fd0717);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.logo span {
    background: linear-gradient(135deg, #fc8209, #fd0717);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
    font-weight: 500;
}
.nav-links a {
    text-decoration: none;
    color: #2d3a4f;
    font-size: 1.05rem;
    transition: color 0.2s;
}
.nav-links a:hover {
    color: var(--hs-primary);
}

.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 40px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s ease;
    font-size: 0.95rem;
    border: 1.5px solid transparent;
}
.btn-primary {
    background: linear-gradient(95deg, #fc8209, #fd0717);
    color: white;
    box-shadow: 0 8px 18px rgba(252, 130, 9, 0.25);
}
.btn-primary:hover {
    background: linear-gradient(95deg, #e06e05, #d90413);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(252, 130, 9, 0.35);
}
.btn-outline {
    background: transparent;
    border-color: #d0d7e6;
    color: #1a1e2b;
}
.btn-outline:hover {
    border-color: var(--hs-primary);
    background: #fff5ef;
}

@media (max-width: 700px) {
    .header .container {
        flex-direction: column;
        gap: 16px;
    }
    .nav-links {
        gap: 24px;
        flex-wrap: wrap;
        justify-content: center;
    }
    .btn-primary {
        margin-top: 4px;
    }
    html {
        scroll-padding-top: 140px;
    }
}

.section {
    padding: 90px 0;
}
.section-title {
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #0b1221;
}
.section-subtitle {
    font-size: 1.2rem;
    color: #4a5568;
    max-width: 640px;
    margin-bottom: 56px;
}
.text-center {
    text-align: center;
}
.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.grid-3, .grid-2, .grid-4 {
    display: grid;
    grid-gap: 32px;
}
.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}
.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}
.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 900px) {
    .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 600px) {
    .grid-3, .grid-2, .grid-4 {
        grid-template-columns: 1fr;
    }
    .section-title {
        font-size: 2rem;
    }
}

.card {
    background: #ffffff;
    border-radius: 32px;
    padding: 32px 28px;
    box-shadow: 0 15px 40px -12px rgba(0,0,0,0.08);
    border: 1px solid #f0f3fa;
    transition: all 0.3s ease;
}
.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 50px -15px rgba(252, 130, 9, 0.15);
    border-color: #ffe0cc;
}
.card-icon {
    font-size: 2.4rem;
    background: linear-gradient(135deg, #fc8209, #fd0717);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 24px;
    background-color: #fff5ef;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
}
.card-icon i {
    background: linear-gradient(135deg, #fc8209, #fd0717);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-size: 2rem;
}
.card h3 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.card p {
    color: #3f4a5e;
    margin-bottom: 20px;
}
.badge {
    font-weight: 600;
    background: linear-gradient(135deg, #fc8209, #fd0717);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero {
    padding: 60px 0 80px;
    background: linear-gradient(145deg, #fff8f0 0%, #ffffff 80%);
    position: relative;
    overflow: hidden;
}
.hero .container {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}
.hero-content {
    flex: 1 1 500px;
}
.hero-badge {
    background: #fff0e0;
    color: #fc5a0a;
    padding: 6px 16px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-block;
    margin-bottom: 24px;
}
.hero h1 {
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    color: #0b1121;
}
.hero h1 span {
    background: linear-gradient(135deg, #fc8209, #fd0717);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    border-bottom: 4px solid #ffcfb0;
}
.hero p {
    font-size: 1.2rem;
    color: #334155;
    max-width: 540px;
    margin-bottom: 40px;
}
.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.hero-visual {
    flex: 1 1 360px;
    background: radial-gradient(circle at 30% 30%, #fff0e5, transparent 70%);
    padding: 20px;
    display: flex;
    justify-content: center;
}
.stats-card {
    background: #ffffff;
    border-radius: 40px;
    padding: 32px 28px;
    width: 100%;
    box-shadow: 0 30px 50px -20px rgba(252, 130, 9, 0.25);
    border: 1px solid #ffe0cc;
    backdrop-filter: blur(4px);
}
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px 20px;
    margin: 20px 0 10px;
}
.stat-item {
    text-align: center;
}
.stat-number {
    font-size: 2.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fc8209, #fd0717);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1.2;
}
.stat-label {
    font-size: 0.95rem;
    color: #64748b;
    margin-top: 6px;
}
.stat-icon {
    font-size: 2rem;
    background: linear-gradient(135deg, #fc8209, #fd0717);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 8px;
}
.stats-footer {
    margin-top: 24px;
    text-align: center;
    border-top: 1px dashed #ffcfb0;
    padding-top: 24px;
    font-weight: 500;
    color: #1e293b;
}
.stats-footer i {
    background: linear-gradient(135deg, #fc8209, #fd0717);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-right: 8px;
}
@media (max-width: 1000px) {
    .hero h1 { font-size: 2.7rem; }
}

.clients {
    padding: 40px 0;
    background: #f8fafd;
    border-top: 1px solid #e8edf5;
    border-bottom: 1px solid #e8edf5;
}
.clients p {
    color: #56647b;
    font-weight: 500;
    margin-bottom: 24px;
}
.client-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
}
.client-logos span {
    font-size: 1.2rem;
    font-weight: 600;
    color: #3d4e6b;
    background: #eef2f8;
    padding: 8px 24px;
    border-radius: 60px;
}

.case-stat {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-top: 16px;
    color: #1e293b;
    font-weight: 600;
}
.case-stat i {
    background: linear-gradient(135deg, #fc8209, #fd0717);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.feature-item i {
    font-size: 1.6rem;
    background: linear-gradient(135deg, #fc8209, #fd0717);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    background-color: #fff0e5;
    padding: 10px;
    border-radius: 18px;
}
.feature-item strong {
    font-size: 1.3rem;
}

.cta-section {
    background: linear-gradient(120deg, #1e293b 0%, #0f172a 100%);
    color: white;
    border-radius: 48px;
    margin: 40px 32px;
    padding: 64px 48px;
}
.cta-section h2 {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 20px;
}
.cta-section .btn-primary {
    background: linear-gradient(95deg, #fc8209, #fd0717);
    color: white;
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}
.cta-section .btn-primary:hover {
    background: linear-gradient(95deg, #e06e05, #d90413);
}
.contact-details {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: space-between;
    align-items: center;
}
.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1.2rem;
}
.contact-item i {
    font-size: 2rem;
    background: linear-gradient(135deg, #fc8209, #fd0717);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.contact-item a {
    color: white;
    text-decoration: none;
}

.footer {
    background: #fafbfe;
    padding: 48px 0 24px;
    border-top: 1px solid #e9eef3;
}
.footer .footer-main {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-left {
    flex: 1;
    min-width: 240px;
}
.footer-left .logo {
    margin-bottom: 16px;
    display: inline-block;
}
.footer-left p {
    color: #56647b;
    max-width: 280px;
    line-height: 1.6;
}
.footer-right {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
}
.footer-col h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1e293b;
}
.footer-col ul {
    list-style: none;
}
.footer-col li {
    margin-bottom: 10px;
}
.footer-col a {
    text-decoration: none;
    color: #56647b;
    transition: color 0.2s;
}
.footer-col a:hover {
    color: #fc5a0a;
}
.social-icons {
    display: flex;
    gap: 20px;
    font-size: 1.4rem;
    margin-top: 8px;
}
.social-icons i {
    background: linear-gradient(135deg, #fc8209, #fd0717);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    cursor: pointer;
    transition: opacity 0.2s;
}
.social-icons i:hover {
    opacity: 0.7;
}
.footer-copyright {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid #e2e8f0;
    color: #56647b;
    font-size: 0.9rem;
}
.footer-copyright a {
    color: #fc5a0a;
    text-decoration: none;
}
.footer-copyright a:hover {
    text-decoration: underline;
}

.faq-item {
    border-bottom: 1px solid #edf2f9;
    padding: 24px 0;
}
.faq-question {
    font-weight: 600;
    font-size: 1.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    color: #0b1e33;
}
.faq-answer {
    margin-top: 16px;
    color: #475569;
    line-height: 1.6;
    padding-right: 40px;
}
.faq-question i {
    background: linear-gradient(135deg, #fc8209, #fd0717);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    transition: transform 0.2s;
}

.honor-badge {
    background: #f7f9fe;
    border-radius: 80px;
    padding: 12px 30px;
    font-weight: 500;
    color: #1e293b;
    border: 1px solid #e4eaf3;
    display: inline-block;
}
.honor-badge i {
    background: linear-gradient(135deg, #fc8209, #fd0717);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-right: 6px;
}
.honor-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.contact-form-section {
    padding: 70px 0;
    background: linear-gradient(110deg, #ffffff 0%, #f5faff 100%);
}
.form-card {
    background: white;
    border-radius: 2rem;
    box-shadow: 0 20px 40px -12px rgba(0,0,0,0.08);
    display: flex;
    flex-wrap: wrap;
    overflow: hidden;
}
.form-left {
    flex: 1;
    padding: 2.5rem;
    background: linear-gradient(135deg, #fc8209, #fd0717);
    color: white;
}
.form-left h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}
.form-left ul {
    list-style: none;
    margin-top: 1.5rem;
}
.form-left li {
    margin-bottom: 12px;
}
.form-left li i {
    margin-right: 8px;
}
.form-right {
    flex: 1.4;
    padding: 2.5rem;
}
.input-group {
    margin-bottom: 1.2rem;
}
.input-group input, .input-group select, .input-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid #e2e8f0;
    border-radius: 28px;
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: 0.2s;
}
.input-group input:focus, .input-group select:focus {
    border-color: #fc8209;
    box-shadow: 0 0 0 3px rgba(252,130,9,0.2);
}
.form-btn {
    background: linear-gradient(95deg, #fc8209, #fd0717);
    color: white;
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 40px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: 0.2s;
}
.form-btn:hover {
    background: linear-gradient(95deg, #e06e05, #d90413);
}
.alert {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
}
.alert.success {
    background: #d4edda;
    color: #155724;
}
.alert.error {
    background: #f8d7da;
    color: #721c24;
}

.mt-16 { margin-top: 64px; }
/* Logo 响应式样式 */
.logo img {
    max-width: 200px;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
}

@media (max-width: 768px) {
    .logo img {
        max-width: 150px;
        max-height: 60px;
    }
}

@media (max-width: 480px) {
    .logo img {
        max-width: 120px;
        max-height: 50px;
    }
}
/* 社交图标二维码样式 */
.social-icons {
    display: flex;
    gap: 20px;
    position: relative;
}

.social-item {
    position: relative;
    display: inline-block;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #f0f2f5;
    border-radius: 50%;
    transition: all 0.3s ease;
    color: #fc8209;
    font-size: 1.2rem;
    text-decoration: none;
}

.social-link:hover {
    background: linear-gradient(135deg, #fc8209, #fd0717);
    color: white;
    transform: translateY(-3px);
}

/* 二维码弹出框 */
.qrcode-popup {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: 12px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border: 1px solid #e0e0e0;
    z-index: 1000;
    display: none;
    min-width: 140px;
    text-align: center;
}

.qrcode-popup img {
    width: 120px;
    height: 120px;
    display: block;
    margin-bottom: 8px;
}

.qrcode-popup p {
    font-size: 12px;
    color: #666;
    margin: 0;
}

.social-item:hover .qrcode-popup {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* 二维码箭头 */
.qrcode-popup::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 8px 8px 0 8px;
    border-style: solid;
    border-color: white transparent transparent transparent;
}

.qrcode-popup::after {
    content: '';
    position: absolute;
    bottom: -9px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 9px 9px 0 9px;
    border-style: solid;
    border-color: #e0e0e0 transparent transparent transparent;
    z-index: -1;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* 响应式：移动端点击显示 */
@media (max-width: 768px) {
    .qrcode-popup {
        bottom: 45px;
    }
    .qrcode-popup img {
        width: 100px;
        height: 100px;
    }
}
/* Logo 固定尺寸 */
.logo {
    width: 200px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo img {
    width: 200px;
    height: 60px;
    object-fit: contain;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .logo {
        width: 160px;
        height: 48px;
    }
    .logo img {
        width: 160px;
        height: 48px;
    }
}
/* Footer Logo 样式 */
.footer-logo {
    margin-bottom: 16px;
}

.footer-logo-img {
    max-width: 180px;
    max-height: 60px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fc8209, #fd0717);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .footer-logo-img {
        max-width: 150px;
        max-height: 50px;
    }
    .footer-logo-text {
        font-size: 1.2rem;
    }
}