/* ===== CSS Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #0A0A0A;
    color: #E4E4E7;
    line-height: 1.7;
    overflow-x: hidden;
}

/* ===== Container & Layout ===== */
.container {
    max-width: 1360px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Typography ===== */
h1, h2, h3 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: 72px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h2 {
    font-size: 48px;
    line-height: 1.3;
}

h3 {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.4;
}

p {
    font-size: 18px;
    line-height: 1.7;
}

.small {
    font-size: 14px;
    line-height: 1.5;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1360px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: #C9A87C;
    font-size: 24px;
    margin: 0;
}

.nav-logo i {
    margin-right: 8px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    color: #E4E4E7;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #C9A87C;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: #C9A87C;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #E4E4E7;
    margin: 3px 0;
    transition: 0.3s;
}

/* ===== Hero Section ===== */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(10, 10, 10, 0.5), rgba(10, 10, 10, 0.5)), url('../imgs/hero_background_4.png') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.5);
}

.hero-content {
    z-index: 2;
    max-width: 800px;
    padding: 0 24px;
}

.hero-title {
    color: #E4E4E7;
    margin-bottom: 24px;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    color: #A1A1AA;
    font-size: 18px;
    margin-bottom: 48px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.cta-button {
    background: #C9A87C;
    color: #0A0A0A;
    border: none;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease-out 0.4s both;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.cta-button:hover {
    background: #A18663;
    transform: translateY(-2px);
    box-shadow: 0 0 24px rgba(201, 168, 124, 0.3);
}

/* ===== Section Headers ===== */
.section-header {
    text-align: center;
    margin-bottom: 96px;
}

.section-title {
    color: #E4E4E7;
    margin-bottom: 24px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: #C9A87C;
}

.section-subtitle {
    color: #A1A1AA;
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 1s ease-out both;
}

/* ===== Positions Section ===== */
.positions-section {
    padding: 128px 0;
    background: #0A0A0A;
}

.positions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.position-card {
    background: #141414;
    border-radius: 4px;
    padding: 32px;
    transition: all 0.4s ease;
    border: 1px solid transparent;
    position: relative;
}

.position-card:hover {
    transform: translateY(-8px);
    border-color: #C9A87C;
    box-shadow: 0 0 24px rgba(201, 168, 124, 0.2);
}

.card-icon {
    width: 56px;
    height: 56px;
    background: #C9A87C;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.card-icon i {
    font-size: 24px;
    color: #0A0A0A;
}

.position-card h3 {
    color: #E4E4E7;
    margin-bottom: 16px;
}

.card-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.tag {
    background: rgba(201, 168, 124, 0.2);
    color: #C9A87C;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.position-card p {
    color: #A1A1AA;
    margin-bottom: 24px;
    font-size: 16px;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.salary {
    color: #C9A87C;
    font-weight: 600;
    font-size: 16px;
}

.apply-btn {
    background: transparent;
    color: #C9A87C;
    border: 1px solid #C9A87C;
    padding: 8px 20px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.apply-btn:hover {
    background: #C9A87C;
    color: #0A0A0A;
}

/* ===== Advantages Section ===== */
.advantages-section {
    padding: 128px 0;
    background: #0F0F0F;
}

.advantages-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 96px;
    align-items: center;
}

.advantages-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.advantage-item {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.advantage-icon {
    width: 48px;
    height: 48px;
    background: rgba(201, 168, 124, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.advantage-icon i {
    color: #C9A87C;
    font-size: 20px;
}

.advantage-content h3 {
    color: #E4E4E7;
    margin-bottom: 8px;
    font-size: 18px;
    font-weight: 600;
}

.advantage-content p {
    color: #A1A1AA;
    font-size: 16px;
    line-height: 1.6;
}

.advantage-img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* ===== About Section ===== */
.about-section {
    padding: 128px 0;
    background: #0A0A0A;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 96px;
    align-items: center;
}

.about-img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 8px;
}

.about-description p {
    color: #A1A1AA;
    margin-bottom: 24px;
    font-size: 16px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

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

.stat-item h3 {
    color: #C9A87C;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 8px;
}

.stat-item p {
    color: #A1A1AA;
    font-size: 14px;
    margin: 0;
}

/* ===== Showcase Section ===== */
.showcase-section {
    padding: 128px 0;
    background: #0F0F0F;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.showcase-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.showcase-item:hover {
    transform: scale(1.05);
}

.showcase-item img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.showcase-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgb(10 10 10 / 56%);
    opacity: 1;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.showcase-item:hover .showcase-overlay {
    opacity: 1;
}

.showcase-info {
    text-align: center;
    color: #E4E4E7;
}

.showcase-info h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.showcase-info p {
    font-size: 14px;
    color: #C9A87C;
}

/* ===== FAQ Section ===== */
.faq-section {
    padding: 128px 0;
    background: #0A0A0A;
}

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

.faq-item {
    background: #141414;
    border-radius: 4px;
    margin-bottom: 16px;
    overflow: hidden;
    border: 1px solid #27272A;
}

.faq-question {
    padding: 24px 32px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: rgba(201, 168, 124, 0.1);
}

.faq-question h3 {
    color: #E4E4E7;
    font-size: 18px;
    margin: 0;
}

.faq-question i {
    color: #C9A87C;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 32px 24px;
}

.faq-answer p {
    color: #A1A1AA;
    font-size: 16px;
    margin: 0;
}

/* 新闻资讯模块 */
.news-section {
    background: #1D1D1D;
    padding: 128px 0;
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 48px;
}

.news-card {
    background: #111111;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #333333;
    transition: all 400ms cubic-bezier(0.25, 0.8, 0.25, 1);
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    border-color: #C09F6B;
}

.news-card.featured {
    grid-row: span 2;
}

.news-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.news-card.featured .news-image {
    height: 300px;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 600ms ease;
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.news-category {
    position: absolute;
    top: 16px;
    left: 16px;
    background: linear-gradient(135deg, #EAD6A3 0%, #C09F6B 100%);
    color: #111111;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

.news-content {
    padding: 32px;
}

.news-title {
    font-family: 'Lora', serif;;
    font-size: 18px;
    font-weight: 600;
    color: #E4E4E4;
    margin-bottom: 16px;
    line-height: 1.4;
}

.news-card.featured .news-title {
    font-size: 22px;
}

.news-excerpt {
    color: #888888;
    line-height: 1.6;
    margin-bottom: 24px;
}

.news-meta {
    display: flex;
    gap: 32px;
    font-size: 14px;
    color: #888888;
}

.news-meta i {
    margin-right: 8px;
}

.news-more {
    text-align: center;
}

/* ===== Process Section ===== */
.process-section {
    padding: 128px 0;
    background: #0F0F0F;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 48px;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    font-size: 72px;
    font-weight: 700;
    color: rgba(201, 168, 124, 0.3);
    line-height: 1;
    margin-bottom: 24px;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: #C9A87C;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.step-icon i {
    font-size: 32px;
    color: #0A0A0A;
}

.step-content h3 {
    color: #E4E4E7;
    margin-bottom: 16px;
}

.step-content p {
    color: #A1A1AA;
    font-size: 16px;
}

/* ===== Contact Section ===== */
.contact-section {
    padding: 128px 0;
    background: #0A0A0A;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 96px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.contact-item {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(201, 168, 124, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: #C9A87C;
    font-size: 20px;
}

.contact-details h3 {
    color: #E4E4E7;
    margin-bottom: 8px;
    font-size: 18px;
}

.contact-details p {
    color: #A1A1AA;
    font-size: 16px;
    margin: 4px 0;
}

.contact-form {
    background: #141414;
    padding: 48px;
    border-radius: 8px;
    border: 1px solid #27272A;
}

.form-group {
    margin-bottom: 24px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px;
    background: #0F0F0F;
    border: 1px solid #27272A;
    border-radius: 4px;
    color: #E4E4E7;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #C9A87C;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #A1A1AA;
}

.submit-btn {
    width: 100%;
    background: #C9A87C;
    color: #0A0A0A;
    border: none;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.submit-btn:hover {
    background: #A18663;
    transform: translateY(-2px);
}

/* ===== Footer ===== */
.footer {
    background: #0F0F0F;
    padding: 96px 0 24px;
    border-top: 1px solid #27272A;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand h3 {
    color: #C9A87C;
    margin-bottom: 16px;
    font-size: 24px;
}

.footer-brand p {
    color: #A1A1AA;
    font-size: 16px;
    line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
    color: #E4E4E7;
    margin-bottom: 24px;
    font-size: 18px;
}

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

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

.footer-links ul li a {
    color: #A1A1AA;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links ul li a:hover {
    color: #C9A87C;
}

.footer-contact p {
    color: #A1A1AA;
    font-size: 14px;
    margin: 8px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-contact i {
    color: #C9A87C;
    width: 16px;
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid #27272A;
}

.footer-bottom p {
    color: #A1A1AA;
    font-size: 14px;
}

/* ===== Lightbox ===== */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.lightbox-content {
    position: relative;
    margin: auto;
    padding: 40px;
    width: 90%;
    max-width: 1200px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #E4E4E7;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 2001;
    transition: color 0.3s ease;
}

.lightbox-close:hover {
    color: #C9A87C;
}

.lightbox-img {
    max-width: 100%;
    max-height: 70%;
    object-fit: contain;
    border-radius: 8px;
    margin-bottom: 24px;
}

.lightbox-info {
    text-align: center;
    color: #E4E4E7;
}

.lightbox-info h3 {
    font-size: 24px;
    margin-bottom: 8px;
}

.lightbox-info p {
    color: #C9A87C;
    font-size: 16px;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }
    
    h1 {
        font-size: 56px;
    }
    
    h2 {
        font-size: 40px;
    }
    
    .advantages-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 64px;
    }
    
    .positions-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .showcase-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 32px 0;
        gap: 16px;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    h1 {
        font-size: 48px;
    }
    
    h2 {
        font-size: 32px;
    }
    
    .section-header {
        margin-bottom: 64px;
    }
    
    .positions-section,
    .advantages-section,
    .about-section,
    .showcase-section,
    .faq-section,
    .process-section,
    .contact-section,
    .news-section {
        padding: 96px 0;
    }
    
    .positions-grid {
        grid-template-columns: 1fr;
    }
    
    .showcase-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .news-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .news-card.featured {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }
    
    .contact-form {
        padding: 32px 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    h1 {
        font-size: 36px;
    }
    
    h2 {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .position-card {
        padding: 24px;
    }
    
    .contact-form {
        padding: 24px 16px;
    }
}

/* ===== Utility Classes ===== */
.text-center {
    text-align: center;
}

.text-gold {
    color: #C9A87C;
}

.bg-gold {
    background-color: #C9A87C;
}

/* ===== Smooth Scrolling Enhancement ===== */
html {
    scroll-padding-top: 80px;
}

/* ===== Loading Animation ===== */
@keyframes shimmer {
    0% {
        background-position: -468px 0;
    }
    100% {
        background-position: 468px 0;
    }
}

.loading {
    animation: shimmer 2s infinite linear;
    background: linear-gradient(to right, #141414 8%, #27272A 18%, #141414 33%);
    background-size: 800px 104px;
}

/* ===== Focus States for Accessibility ===== */
button:focus,
input:focus,
select:focus,
textarea:focus,
.nav-link:focus {
    outline: 2px solid #C9A87C;
    outline-offset: 2px;
}

/* ===== High Contrast Mode Support ===== */
@media (prefers-contrast: high) {
    .position-card {
        border-width: 2px;
    }
    
    .faq-item {
        border-width: 2px;
    }
}