/* ========================================
   福州经华商贸有限公司官网样式
   配色：高级白金系
   ======================================== */

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

:root {
    --primary-gold: #c9a961;
    --secondary-gold: #d4af37;
    --light-gold: #f5e6d3;
    --white: #ffffff;
    --off-white: #fafafa;
    --light-gray: #f5f5f5;
    --medium-gray: #e0e0e0;
    --dark-gray: #333333;
    --text-gray: #666666;
    --black: #1a1a1a;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.8;
    color: var(--dark-gray);
    background: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

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

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

.logo-icon {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--black);
    letter-spacing: 2px;
}

.logo-sub {
    font-size: 0.7rem;
    color: var(--primary-gold);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu li a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 400;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-menu li a:hover {
    color: var(--primary-gold);
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary-gold);
    transition: width 0.3s ease;
}

.nav-menu li a:hover::after {
    width: 100%;
}

.nav-cta {
    padding: 10px 24px;
    background: var(--primary-gold);
    color: var(--white);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 2px;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--secondary-gold);
    transform: translateY(-1px);
}

/* ========================================
   主页横幅
   ======================================== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: var(--white);
    padding: 160px 0 100px;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(201, 169, 97, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(212, 175, 55, 0.08) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero-tag {
    font-size: 0.85rem;
    letter-spacing: 4px;
    color: var(--primary-gold);
    margin-bottom: 30px;
    text-transform: uppercase;
}

.hero h2 {
    font-family: 'Noto Serif SC', serif;
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 30px;
    background: linear-gradient(135deg, var(--white) 0%, var(--light-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 50px;
    max-width: 700px;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-gold);
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 5px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
}

.cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 16px 40px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    display: inline-block;
    border-radius: 2px;
    letter-spacing: 1px;
}

.btn-gold {
    background: var(--primary-gold);
    color: var(--white);
    border: 1px solid var(--primary-gold);
}

.btn-gold:hover {
    background: var(--secondary-gold);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(201, 169, 97, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--primary-gold), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* ========================================
   通用区块样式
   ======================================== */
section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-tag {
    font-size: 0.8rem;
    letter-spacing: 4px;
    color: var(--primary-gold);
    text-transform: uppercase;
    margin-bottom: 15px;
    display: block;
}

.section-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   关于我们
   ======================================== */
.about {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: start;
}

.about-main p {
    font-size: 1.05rem;
    line-height: 2;
    color: var(--text-gray);
    margin-bottom: 25px;
}

.about-lead {
    font-size: 1.2rem !important;
    color: var(--dark-gray) !important;
    font-weight: 500;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.highlight-card {
    padding: 35px;
    background: var(--light-gray);
    border-radius: 4px;
    border-left: 3px solid var(--primary-gold);
    transition: var(--transition);
}

.highlight-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.highlight-num {
    font-family: 'Noto Serif SC', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-gold);
    opacity: 0.3;
    margin-bottom: 10px;
}

.highlight-card h4 {
    font-size: 1.2rem;
    color: var(--black);
    margin-bottom: 12px;
}

.highlight-card p {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.7;
}

/* ========================================
   业务服务
   ======================================== */
.services {
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 50px 40px;
    border-radius: 4px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-gold), var(--secondary-gold));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-featured {
    background: linear-gradient(135deg, var(--black) 0%, #2d2d2d 100%);
    color: var(--white);
}

.service-featured .service-icon,
.service-featured h3,
.service-featured p,
.service-featured .detail-item h5,
.service-featured .detail-item p {
    color: var(--white);
}

.service-featured .detail-item p {
    color: rgba(255, 255, 255, 0.7);
}

.service-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 6px 16px;
    background: var(--primary-gold);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 2px;
    letter-spacing: 1px;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 25px;
}

.service-card h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.5rem;
    color: var(--black);
    margin-bottom: 15px;
}

.service-card > p {
    color: var(--text-gray);
    margin-bottom: 30px;
    line-height: 1.7;
}

.service-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.detail-item h5 {
    font-size: 0.95rem;
    color: var(--black);
    margin-bottom: 8px;
    font-weight: 600;
}

.detail-item p {
    font-size: 0.85rem;
    color: var(--text-gray);
    line-height: 1.6;
}

/* ========================================
   核心优势
   ======================================== */
.advantages {
    background: var(--white);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.advantage-card {
    text-align: center;
    padding: 50px 30px;
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    transition: var(--transition);
}

.advantage-card:hover {
    border-color: var(--primary-gold);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 25px;
}

.advantage-card h4 {
    font-size: 1.2rem;
    color: var(--black);
    margin-bottom: 15px;
}

.advantage-card p {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.7;
}

/* ========================================
   高管团队
   ======================================== */
.team {
    background: var(--light-gray);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.team-card {
    background: var(--white);
    border-radius: 4px;
    overflow: hidden;
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.team-lead {
    background: linear-gradient(135deg, var(--black) 0%, #2d2d2d 100%);
    color: var(--white);
}

.team-lead .team-info h3,
.team-lead .team-title,
.team-lead .team-honors h5,
.team-lead .team-honors li,
.team-lead .team-desc {
    color: var(--white);
}

.team-lead .team-honors li::before {
    color: var(--primary-gold);
}

.team-photo {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Noto Serif SC', serif;
    font-size: 5rem;
    font-weight: 700;
    color: var(--white);
}

.team-info {
    padding: 35px;
}

.team-card h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.5rem;
    color: var(--black);
    margin-bottom: 8px;
}

.team-title {
    color: var(--primary-gold);
    font-weight: 500;
    font-size: 0.95rem;
    margin-bottom: 25px;
}

.team-honors {
    background: var(--light-gray);
    border-radius: 4px;
    padding: 20px;
    margin-bottom: 25px;
}

.team-lead .team-honors {
    background: rgba(255, 255, 255, 0.1);
}

.team-honors h5 {
    font-size: 0.85rem;
    color: var(--black);
    margin-bottom: 12px;
    font-weight: 600;
}

.team-honors ul {
    list-style: none;
}

.team-honors ul li {
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    font-size: 0.85rem;
    color: var(--text-gray);
    line-height: 1.6;
}

.team-honors ul li::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--primary-gold);
    font-size: 0.7rem;
    top: 8px;
}

.team-desc {
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.8;
}

/* ========================================
   合作伙伴/行业认可
   ======================================== */
.partners {
    background: var(--white);
    padding: 80px 0;
}

.partners-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.partner-item {
    text-align: center;
    padding: 30px 20px;
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    transition: var(--transition);
}

.partner-item:hover {
    border-color: var(--primary-gold);
    transform: translateY(-3px);
}

.partner-item h4 {
    font-size: 1rem;
    color: var(--black);
    margin-bottom: 8px;
}

.partner-item p {
    font-size: 0.85rem;
    color: var(--primary-gold);
}

/* ========================================
   联系我们
   ======================================== */
.contact {
    background: var(--light-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1rem;
    color: var(--black);
    margin-bottom: 5px;
}

.contact-item p {
    font-size: 0.95rem;
    color: var(--text-gray);
}

.contact-form {
    background: var(--white);
    padding: 50px;
    border-radius: 4px;
    box-shadow: var(--shadow-md);
}

.contact-form h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.5rem;
    color: var(--black);
    margin-bottom: 10px;
}

.form-desc {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 30px;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 16px 20px;
    border: 1px solid var(--medium-gray);
    border-radius: 2px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-gold);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-full {
    width: 100%;
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background: var(--black);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .footer-logo {
    margin-bottom: 20px;
}

.footer-brand .logo-icon {
    color: var(--white);
}

.footer-brand p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-social span {
    font-size: 0.8rem;
    color: var(--primary-gold);
}

.footer-links h4,
.footer-services h4,
.footer-contact h4 {
    font-size: 1rem;
    color: var(--white);
    margin-bottom: 20px;
}

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

.footer-links ul li,
.footer-services ul li,
.footer-contact ul li {
    padding: 8px 0;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--primary-gold);
}

.footer-services ul li,
.footer-contact ul li {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1200px) {
    .container {
        padding: 0 30px;
    }
    
    .hero h2 {
        font-size: 3.5rem;
    }
    
    .services-grid,
    .team-grid,
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partners-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-cta {
        display: none;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    section {
        padding: 80px 0;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero h2 {
        font-size: 2.5rem;
    }
    
    .hero-desc {
        font-size: 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .stat-divider {
        display: none;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid,
    .team-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .service-details {
        grid-template-columns: 1fr;
    }
    
    .partners-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}