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

:root {
    --primary: #1a1a2e;
    --secondary: #16213e;
    --accent: #d4af37;
    --accent-hover: #c9a227;
    --text: #eaeaea;
    --text-muted: #a0a0a0;
    --bg-dark: #0f0f1a;
    --bg-card: #1e1e2e;
    --border: #2a2a3e;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.4);
    --radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg-dark);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-hover);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

@media (max-width: 768px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
}

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 16px 0;
}

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

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.brand-text h1 {
    font-size: 1.25rem;
    margin: 0;
    background: linear-gradient(135deg, var(--accent), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-text p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-list a {
    color: var(--text);
    padding: 10px 16px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-list a:hover {
    background: var(--bg-card);
    color: var(--accent);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: var(--transition);
}

@media (max-width: 968px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-list {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary);
        flex-direction: column;
        padding: 16px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-list.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list a {
        display: block;
        padding: 12px 16px;
    }
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at top left, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(212, 175, 55, 0.05) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-gold {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: var(--primary);
}

.btn-gold:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
    color: var(--primary);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
}

.btn-outline:hover {
    background: var(--accent);
    color: var(--primary);
}

.btn-icon {
    font-size: 1.2rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 8px;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-desc {
        font-size: 1rem;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

.contact-bar {
    background: var(--bg-card);
    padding: 40px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--primary);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.contact-item:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
}

.contact-icon {
    font-size: 2.5rem;
}

.contact-detail h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 4px;
}

.contact-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
}

.copy-btn {
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
}

.copy-btn:hover {
    background: var(--accent);
    color: var(--primary);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #fff, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .section-title {
        font-size: 1.75rem;
    }
}

.about {
    padding: 100px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 60px;
    align-items: start;
}

@media (max-width: 968px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

.about-content h3 {
    color: var(--accent);
    margin-bottom: 20px;
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-features {
    margin-top: 30px;
    display: grid;
    gap: 20px;
}

.feature-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.feature-item:hover {
    border-color: var(--accent);
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-weight: 700;
    flex-shrink: 0;
}

.feature-text h4 {
    color: var(--text);
    margin-bottom: 4px;
}

.feature-text p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.info-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 30px;
    position: sticky;
    top: 100px;
}

.info-card h3 {
    color: var(--accent);
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.info-list {
    list-style: none;
}

.info-list li {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.info-list li:last-child {
    border-bottom: none;
}

.info-label {
    color: var(--text-muted);
}

.info-value {
    color: var(--text);
    font-weight: 500;
}

.services {
    padding: 100px 0;
    background: var(--primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
}

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

.service-number {
    font-size: 3rem;
    font-weight: 800;
    color: rgba(212, 175, 55, 0.2);
    line-height: 1;
    margin-bottom: 16px;
}

.service-card h3 {
    color: var(--text);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.7;
}

.service-list {
    list-style: none;
}

.service-list li {
    padding: 6px 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    position: relative;
    padding-left: 20px;
}

.service-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
}

.process {
    padding: 100px 0;
}

.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 40px;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent), var(--border));
}

.process-item {
    position: relative;
    padding-bottom: 40px;
}

.process-item:last-child {
    padding-bottom: 0;
}

.process-dot {
    position: absolute;
    left: -33px;
    top: 8px;
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    border: 3px solid var(--bg-dark);
}

.process-content {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 24px;
    transition: var(--transition);
}

.process-content:hover {
    border-color: var(--accent);
}

.process-step {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.process-content h3 {
    color: var(--text);
    margin-bottom: 8px;
}

.process-content p {
    color: var(--text-muted);
    line-height: 1.7;
}

.contact {
    padding: 100px 0;
    background: var(--primary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 40px;
}

@media (max-width: 968px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

.contact-card-large {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 40px;
}

.contact-card-large h3 {
    color: var(--accent);
    margin-bottom: 30px;
    font-size: 1.5rem;
}

.contact-info-grid {
    display: grid;
    gap: 20px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--primary);
    border-radius: 10px;
    border: 1px solid var(--border);
}

.info-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-content {
    flex: 1;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.info-content .info-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    min-width: 70px;
}

.info-content .info-value {
    color: var(--text);
    font-weight: 500;
}

.info-content .info-value.highlight {
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 700;
}

.info-content .info-value.link {
    color: var(--accent);
}

.copy-btn-mini {
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
    margin-left: auto;
}

.copy-btn-mini:hover {
    background: var(--accent);
    color: var(--primary);
}

.wechat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 30px;
    text-align: center;
    position: sticky;
    top: 100px;
}

.wechat-card h3 {
    color: var(--accent);
    margin-bottom: 12px;
}

.wechat-card p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.wechat-id {
    background: var(--primary);
    padding: 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.wechat-id strong {
    color: var(--accent);
    font-size: 1.3rem;
}

.copy-btn-large {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    border: none;
    color: var(--primary);
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.copy-btn-large:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

.articles {
    padding: 100px 0;
}

.articles-grid {
    display: grid;
    gap: 24px;
}

.article-card {
    display: flex;
    gap: 24px;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 24px;
    transition: var(--transition);
}

.article-card:hover {
    border-color: var(--accent);
    transform: translateX(5px);
}

.article-date {
    flex-shrink: 0;
    width: 80px;
    text-align: center;
    padding: 16px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 10px;
}

.date-day {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.date-month {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.article-body h3 {
    margin-bottom: 8px;
}

.article-body h3 a {
    color: var(--text);
}

.article-body h3 a:hover {
    color: var(--accent);
}

.article-body p {
    color: var(--text-muted);
    margin-bottom: 12px;
    line-height: 1.7;
}

.article-link {
    color: var(--accent);
    font-weight: 500;
    font-size: 0.9rem;
}

@media (max-width: 640px) {
    .article-card {
        flex-direction: column;
    }
    
    .article-date {
        width: 100%;
        display: flex;
        align-items: center;
        gap: 12px;
        justify-content: center;
    }
}

.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

@media (max-width: 968px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-col h3 {
    color: var(--accent);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-col p {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 16px;
}

.footer-contact p {
    margin: 6px 0;
    font-size: 0.9rem;
}

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

.footer-links li {
    margin: 10px 0;
}

.footer-links a {
    color: var(--text-muted);
}

.footer-links a:hover {
    color: var(--accent);
}

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

.footer-contact-list li {
    color: var(--text-muted);
    margin: 10px 0;
    font-size: 0.9rem;
}

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

.footer-bottom p {
    color: var(--text-muted);
    margin: 6px 0;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--text-muted);
}

.footer-bottom a:hover {
    color: var(--accent);
}

.float-actions {
    position: fixed;
    right: 24px;
    bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.float-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.float-phone {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: var(--primary);
}

.float-wechat {
    background: #07c160;
    color: white;
}

.float-top {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.float-top.show {
    opacity: 1;
    visibility: visible;
}

.float-btn:hover {
    transform: scale(1.1);
}

.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 16px 32px;
    border-radius: 10px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 9999;
    border: 1px solid var(--accent);
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.article-page {
    padding: 120px 0 80px;
    min-height: 100vh;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 40px;
}

.article-content h1 {
    color: var(--accent);
    margin-bottom: 20px;
    font-size: 2rem;
}

.article-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 30px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.article-body h2 {
    color: var(--text);
    margin: 30px 0 16px;
    font-size: 1.5rem;
}

.article-body h3 {
    color: var(--text);
    margin: 24px 0 12px;
    font-size: 1.25rem;
}

.article-body p {
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.8;
}

.article-body ul {
    color: var(--text-muted);
    margin: 16px 0;
    padding-left: 24px;
}

.article-body li {
    margin: 8px 0;
    line-height: 1.7;
}

.article-body strong {
    color: var(--accent);
}

.article-body a {
    color: var(--accent);
}

.article-footer {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.back-btn {
    color: var(--accent);
    font-weight: 500;
}

.share-contact p {
    color: var(--text-muted);
    margin: 0;
}

.share-contact strong {
    color: var(--accent);
}

@media (max-width: 640px) {
    .article-content {
        padding: 24px;
    }
    
    .article-content h1 {
        font-size: 1.5rem;
    }
}