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

:root {
    --primary: #e74c3c;
    --primary-dark: #c0392b;
    --primary-light: #ff6b6b;
    --secondary: #2c3e50;
    --accent: #f39c12;
    --text: #333;
    --text-light: #666;
    --text-lighter: #999;
    --bg-light: #f8f9fa;
    --white: #fff;
    --shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 4px 30px rgba(0, 0, 0, 0.15);
    --radius: 12px;
    --radius-sm: 8px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-number {
    font-size: 40px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    font-style: italic;
}

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

.logo-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary);
    line-height: 1.2;
}

.logo-slogan {
    font-size: 12px;
    color: var(--text-lighter);
    letter-spacing: 2px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 18px;
    color: var(--text);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    background: var(--primary);
    color: var(--white);
}

.phone-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 24px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
}

.phone-link:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.phone-icon {
    width: 16px;
    height: 16px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    z-index: 999;
    padding: 16px 24px;
    flex-direction: column;
    gap: 8px;
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s ease;
}

.mobile-nav.open {
    display: flex;
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav-link {
    display: block;
    padding: 12px 16px;
    color: var(--text);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.mobile-nav-link:hover {
    background: var(--bg-light);
    color: var(--primary);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 24px 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
    gap: 60px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(231, 76, 60, 0.3) 0%, transparent 60%);
    pointer-events: none;
}

.hero-overlay {
    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='0.03'%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");
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 560px;
    color: var(--white);
}

.hero-label {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
    letter-spacing: 2px;
}

.hero-title {
    font-size: 38px;
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 16px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
    opacity: 0.95;
}

.hero-desc {
    font-size: 15px;
    opacity: 0.8;
    margin-bottom: 32px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 28px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-large {
    padding: 14px 36px;
    font-size: 16px;
    text-align: center;
}

.hero-qr {
    position: relative;
    z-index: 1;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius);
    padding: 32px;
    max-width: 380px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.qr-title {
    font-size: 20px;
    color: var(--secondary);
    font-weight: 700;
    margin-bottom: 8px;
}

.qr-desc {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.5;
}

.qr-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.qr-code {
    width: 280px;
    height: 280px;
    background: var(--white);
    border: 2px solid #eee;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
}

.qr-svg {
    width: 100%;
    height: 100%;
}

.qr-labels {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.qr-label {
    font-size: 14px;
    color: var(--text-lighter);
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-top: 20px;
}

.tag {
    background: var(--primary);
    color: var(--white);
    padding: 4px 14px;
    border-radius: 14px;
    font-size: 12px;
    font-weight: 500;
}

.advantages {
    padding: 80px 24px;
    background: var(--bg-light);
}

.section-title {
    text-align: center;
    font-size: 32px;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 12px;
}

.section-subtitle {
    text-align: center;
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 48px;
}

.advantages-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.advantage-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 36px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    cursor: default;
}

.advantage-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.advantage-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
}

.advantage-icon svg {
    width: 100%;
    height: 100%;
}

.advantage-card h3 {
    font-size: 20px;
    color: var(--secondary);
    margin-bottom: 10px;
    font-weight: 700;
}

.advantage-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

.recruitment {
    padding: 80px 24px;
    background: var(--white);
    display: flex;
    max-width: 1100px;
    margin: 0 auto;
    gap: 60px;
    align-items: flex-start;
}

.recruitment-content {
    flex: 1;
}

.recruitment .section-title {
    text-align: left;
    margin-bottom: 32px;
}

.recruitment-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 32px;
}

.recruitment-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.check-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    background: rgba(46, 204, 113, 0.1);
    color: #2ecc71;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
    margin-top: 2px;
}

.recruitment-item h4 {
    font-size: 16px;
    color: var(--secondary);
    margin-bottom: 4px;
    font-weight: 600;
}

.recruitment-item p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.recruitment-process {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 32px;
    border-left: 4px solid var(--primary);
}

.process-label {
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 8px;
}

.recruitment-process p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 4px;
    line-height: 1.8;
}

.recruitment-contact h3 {
    font-size: 18px;
    color: var(--secondary);
    margin-bottom: 16px;
    font-weight: 700;
}

.contact-items {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-label {
    font-size: 15px;
    color: var(--text-lighter);
}

.contact-item a {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.contact-item a:hover {
    color: var(--primary-dark);
}

.contact-note {
    font-size: 12px;
    color: var(--text-lighter);
}

.recruitment-qr {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
}

.qr-large .qr-code {
    width: 360px;
    height: 360px;
}

.process {
    padding: 80px 24px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    text-align: center;
}

.process-steps {
    max-width: 900px;
    margin: 0 auto 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
}

.step-number {
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 16px;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.step-content h3 {
    font-size: 18px;
    color: var(--secondary);
    margin-bottom: 8px;
    font-weight: 700;
}

.step-content p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.step-connector {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    margin: 0 8px;
    margin-bottom: 40px;
    position: relative;
}

.step-connector::after {
    content: '';
    position: absolute;
    right: -4px;
    top: -4px;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--accent);
    border-bottom: 2px solid var(--accent);
    transform: rotate(-45deg);
}

.process .btn-primary {
    display: inline-block;
    margin: 0 auto;
    background: var(--primary);
}

.footer {
    background: var(--secondary);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 24px 0;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    max-width: 360px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.logo-number.white {
    color: var(--white);
}

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

.footer-company {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    font-size: 14px;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-col a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-col a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom p {
    margin-bottom: 4px;
}

@media (max-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .recruitment {
        flex-direction: column;
        gap: 40px;
    }

    .recruitment .section-title {
        text-align: center;
    }

    .recruitment-qr {
        padding-top: 0;
    }

    .footer-inner {
        flex-direction: column;
        gap: 40px;
    }

    .footer-links {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .phone-link {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        flex-direction: column;
        padding: 100px 24px 60px;
        min-height: auto;
        gap: 40px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-qr {
        max-width: 100%;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .process-steps {
        flex-direction: column;
    }

    .step-connector {
        width: 2px;
        height: 30px;
        margin: 0 auto;
    }

    .step-connector::after {
        display: none;
    }

    .contact-items {
        flex-direction: column;
        gap: 16px;
    }

    .footer-links {
        flex-direction: column;
        gap: 32px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

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

@media (max-width: 480px) {
    .header-inner {
        height: 60px;
        padding: 0 16px;
    }

    .logo-number {
        font-size: 32px;
    }

    .logo-title {
        font-size: 17px;
    }

    .hero-title {
        font-size: 24px;
    }

    .advantage-card {
        padding: 24px 16px;
    }

    .advantages, .recruitment, .process {
        padding: 60px 16px;
    }
}