/* ==================== 基础样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0a1628;
    --primary-dark: #060e1a;
    --primary-light: #1a3a5c;
    --secondary: #d4a853;
    --secondary-light: #e8c170;
    --secondary-dark: #b8923f;
    --accent: #e8a838;
    --text-dark: #1a1a2e;
    --text-body: #4a4a5a;
    --text-light: #7a7a8a;
    --bg-light: #f8f9fc;
    --bg-white: #ffffff;
    --border: #e5e7eb;
    --shadow-sm: 0 2px 8px rgba(10, 22, 40, 0.06);
    --shadow-md: 0 4px 20px rgba(10, 22, 40, 0.08);
    --shadow-lg: 0 8px 40px rgba(10, 22, 40, 0.12);
    --shadow-xl: 0 20px 60px rgba(10, 22, 40, 0.15);
    --gradient-primary: linear-gradient(135deg, #0a1628 0%, #1a3a5c 100%);
    --gradient-gold: linear-gradient(135deg, #d4a853 0%, #e8a838 100%);
    --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;
    color: var(--text-body);
    line-height: 1.7;
    background: var(--bg-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* ==================== 通用组件 ==================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    display: inline-block;
    font-size: 14px;
    font-weight: 500;
    color: var(--secondary);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 17px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.section-line {
    width: 60px;
    height: 3px;
    background: var(--gradient-gold);
    margin: 20px auto 0;
    border-radius: 2px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-family: inherit;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--primary);
    box-shadow: 0 4px 15px rgba(212, 168, 83, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 168, 83, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

.btn-gold {
    background: var(--gradient-gold);
    color: var(--primary);
    font-size: 18px;
    padding: 18px 40px;
    font-weight: 600;
    box-shadow: 0 6px 20px rgba(212, 168, 83, 0.4);
}

.btn-gold:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(212, 168, 83, 0.5);
}

.btn-outline-white {
    background: transparent;
    color: white;
    border: 2px solid white;
    font-size: 18px;
    padding: 16px 38px;
}

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

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

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.98);
    padding: 12px 0;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-gold);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary);
}

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

.logo-cn {
    font-size: 24px;
    font-weight: 700;
    color: white;
    line-height: 1.2;
}

.logo-en {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    gap: 36px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    font-weight: 500;
    position: relative;
    padding: 8px 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--secondary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary);
    transition: var(--transition);
}

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

.nav-contact {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(212, 168, 83, 0.15);
    padding: 10px 20px;
    border-radius: 30px;
    border: 1px solid rgba(212, 168, 83, 0.3);
}

.nav-contact i {
    color: var(--secondary);
    font-size: 16px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

.contact-label {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.6);
}

.contact-phone {
    font-size: 16px;
    font-weight: 700;
    color: var(--secondary);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 26px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: var(--transition);
}

/* ==================== Hero区域 ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&h=1080&fit=crop') center/cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.95) 0%, rgba(26, 58, 92, 0.85) 100%);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-particles::before,
.hero-particles::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 168, 83, 0.1) 0%, transparent 70%);
}

.hero-particles::before {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.hero-particles::after {
    width: 400px;
    height: 400px;
    bottom: -100px;
    left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(212, 168, 83, 0.15);
    border: 1px solid rgba(212, 168, 83, 0.3);
    padding: 8px 20px;
    border-radius: 30px;
    color: var(--secondary);
    font-size: 14px;
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: 72px;
    font-weight: 900;
    color: white;
    line-height: 1.2;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.title-line {
    display: block;
}

.title-highlight {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 36px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-tags {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 24px;
    border-radius: 30px;
    color: white;
    font-size: 15px;
    backdrop-filter: blur(10px);
}

.tag i {
    color: var(--secondary);
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.8s both;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 12px;
    animation: bounce 2s infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 13px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--secondary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 20px; }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ==================== 关于我们 ==================== */
.about {
    padding: 120px 0;
    background: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 80px;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
}

.image-badge {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: var(--gradient-gold);
    padding: 24px 32px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-lg);
}

.image-badge i {
    font-size: 36px;
    color: var(--primary);
}

.image-badge strong {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.image-badge span {
    font-size: 14px;
    color: var(--primary);
    opacity: 0.8;
}

.about-text h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 24px;
    line-height: 1.3;
}

.about-desc {
    font-size: 16px;
    color: var(--text-body);
    margin-bottom: 20px;
    line-height: 1.9;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

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

.stat-number {
    font-size: 42px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

.stat-suffix {
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary);
}

.stat-label {
    display: block;
    font-size: 14px;
    color: var(--text-light);
    margin-top: 8px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.value-card {
    text-align: center;
    padding: 40px 30px;
    border-radius: 16px;
    background: var(--bg-light);
    transition: var(--transition);
    border: 1px solid transparent;
}

.value-card:hover {
    background: white;
    border-color: var(--secondary);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.value-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--secondary);
}

.value-card h4 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.value-card p {
    font-size: 15px;
    color: var(--text-body);
    line-height: 1.8;
}

/* ==================== 核心业务 ==================== */
.services {
    padding: 120px 0;
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: white;
    border-radius: 16px;
    padding: 40px 32px;
    position: relative;
    transition: var(--transition);
    border: 1px solid var(--border);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

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

.service-card.featured {
    background: var(--gradient-primary);
    border-color: transparent;
}

.service-card.featured h3,
.service-card.featured .service-desc,
.service-card.featured .service-list li {
    color: rgba(255, 255, 255, 0.9);
}

.service-card.featured .service-list li i {
    color: var(--secondary);
}

.service-card.featured .service-number {
    color: rgba(212, 168, 83, 0.2);
}

.service-badge {
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--secondary);
    color: var(--primary);
    padding: 6px 40px;
    font-size: 12px;
    font-weight: 600;
    transform: rotate(45deg);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(212, 168, 83, 0.1) 0%, rgba(212, 168, 83, 0.05) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--secondary);
    margin-bottom: 24px;
}

.service-card.featured .service-icon {
    background: rgba(212, 168, 83, 0.2);
}

.service-number {
    position: absolute;
    top: 24px;
    right: 28px;
    font-size: 48px;
    font-weight: 900;
    color: rgba(10, 22, 40, 0.05);
    line-height: 1;
}

.service-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
}

.service-desc {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: 24px;
}

.service-list {
    margin-bottom: 24px;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-body);
    border-bottom: 1px dashed rgba(0, 0, 0, 0.05);
}

.service-card.featured .service-list li {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

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

.service-list li i {
    color: var(--secondary);
    font-size: 12px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary);
    font-size: 14px;
    font-weight: 500;
}

.service-link:hover {
    gap: 12px;
}

/* ==================== 服务优势 ==================== */
.advantages {
    padding: 120px 0;
    background: var(--bg-white);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 80px;
}

.advantage-card {
    text-align: center;
    padding: 40px 24px;
    border-radius: 16px;
    background: var(--bg-light);
    transition: var(--transition);
}

.advantage-card:hover {
    background: var(--gradient-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.advantage-card:hover h3,
.advantage-card:hover p {
    color: white;
}

.advantage-card:hover .advantage-tags span {
    background: rgba(212, 168, 83, 0.2);
    color: var(--secondary);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--primary);
    transition: var(--transition);
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.1);
}

.advantage-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
    transition: var(--transition);
}

.advantage-card p {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: 20px;
    transition: var(--transition);
}

.advantage-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.advantage-tags span {
    font-size: 12px;
    padding: 4px 12px;
    background: white;
    border-radius: 20px;
    color: var(--text-light);
    transition: var(--transition);
}

.process-section {
    background: var(--bg-light);
    padding: 60px;
    border-radius: 20px;
}

.process-title {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.process-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 50px;
}

.process-flow {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.process-step {
    flex: 1;
    text-align: center;
}

.step-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--secondary);
    position: relative;
    box-shadow: var(--shadow-md);
}

.step-num {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 24px;
    height: 24px;
    background: var(--gradient-gold);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.process-step h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
}

.process-step p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
}

.process-arrow {
    padding-top: 25px;
    color: var(--secondary);
    font-size: 20px;
}

/* ==================== 行业案例 ==================== */
.cases {
    padding: 120px 0;
    background: var(--bg-light);
}

.industry-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 24px;
    border: 1px solid var(--border);
    background: white;
    border-radius: 30px;
    font-size: 15px;
    color: var(--text-body);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.tab-btn:hover {
    border-color: var(--secondary);
    color: var(--secondary);
}

.tab-btn.active {
    background: var(--gradient-gold);
    border-color: transparent;
    color: var(--primary);
    font-weight: 600;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.case-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.case-image {
    position: relative;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.case-overlay {
    position: absolute;
    top: 20px;
    left: 20px;
}

.case-tag {
    background: var(--gradient-gold);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.case-info {
    padding: 50px 50px 50px 0;
}

.case-info h4 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
    line-height: 1.4;
}

.case-meta {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
    display: flex;
    gap: 20px;
}

.case-meta i {
    color: var(--secondary);
    margin-right: 6px;
}

.case-desc {
    font-size: 15px;
    color: var(--text-body);
    line-height: 1.9;
    margin-bottom: 30px;
}

.case-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding-top: 30px;
    border-top: 1px solid var(--border);
}

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

.result-item strong {
    display: block;
    font-size: 28px;
    font-weight: 900;
    color: var(--secondary);
    line-height: 1;
    margin-bottom: 8px;
}

.result-item span {
    font-size: 13px;
    color: var(--text-light);
}

/* ==================== 洞察观点 ==================== */
.insights {
    padding: 120px 0;
    background: var(--bg-white);
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.insight-card {
    border-radius: 16px;
    overflow: hidden;
    background: white;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.insight-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.insight-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.insight-card:hover .insight-image img {
    transform: scale(1.1);
}

.insight-date {
    position: absolute;
    bottom: 0;
    left: 20px;
    background: var(--gradient-gold);
    padding: 12px 16px;
    border-radius: 8px 8px 0 0;
    text-align: center;
}

.insight-date .day {
    display: block;
    font-size: 24px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

.insight-date .month {
    font-size: 12px;
    color: var(--primary);
    opacity: 0.8;
}

.insight-content {
    padding: 28px;
}

.insight-category {
    display: inline-block;
    font-size: 12px;
    color: var(--secondary);
    background: rgba(212, 168, 83, 0.1);
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 16px;
}

.insight-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
    line-height: 1.5;
}

.insight-content p {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: 20px;
}

.insight-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary);
    font-size: 14px;
    font-weight: 500;
}

.insight-link:hover {
    gap: 12px;
}

/* ==================== CTA区域 ==================== */
.cta-section {
    padding: 100px 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1454165804606-c3d57bc86b40?w=1920&h=600&fit=crop') center/cover;
    opacity: 0.1;
}

.cta-content {
    position: relative;
    text-align: center;
    z-index: 1;
}

.cta-content h2 {
    font-size: 40px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
}

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

/* ==================== 联系我们 ==================== */
.contact {
    padding: 120px 0;
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h3,
.contact-form h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.contact-desc {
    font-size: 15px;
    color: var(--text-body);
    margin-bottom: 40px;
    line-height: 1.8;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.info-item {
    display: flex;
    gap: 20px;
}

.info-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--secondary);
}

.info-text label {
    display: block;
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 4px;
}

.info-value {
    display: block;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 2px;
}

.info-value.highlight {
    font-size: 24px;
    color: var(--secondary);
}

.info-note {
    font-size: 13px;
    color: var(--text-light);
}

.contact-form-wrapper {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.form-desc {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 30px;
}

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

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 8px;
}

.required {
    color: #e74c3c;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    color: var(--text-dark);
    transition: var(--transition);
    background: var(--bg-light);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
    background: white;
    box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.form-note {
    text-align: center;
    font-size: 13px;
    color: var(--text-light);
    margin-top: 16px;
}

.form-note i {
    color: var(--secondary);
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--primary-dark);
    padding: 80px 0 30px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo .logo-cn {
    color: white;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 24px;
}

.footer-phone {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(212, 168, 83, 0.1);
    padding: 16px 20px;
    border-radius: 10px;
    border: 1px solid rgba(212, 168, 83, 0.2);
}

.footer-phone i {
    font-size: 24px;
    color: var(--secondary);
}

.footer-phone span {
    display: block;
    font-size: 12px;
    opacity: 0.7;
}

.footer-phone strong {
    font-size: 20px;
    color: var(--secondary);
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 600;
    color: white;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--secondary);
}

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

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

.footer-col ul li a:hover {
    color: var(--secondary);
    padding-left: 5px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

/* ==================== 浮动按钮 ==================== */
.floating-contact {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.float-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: white;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    position: relative;
}

.float-phone {
    background: var(--gradient-gold);
    color: var(--primary);
    animation: floatPulse 2s infinite;
}

@keyframes floatPulse {
    0%, 100% { box-shadow: 0 4px 15px rgba(212, 168, 83, 0.4); }
    50% { box-shadow: 0 4px 25px rgba(212, 168, 83, 0.6); }
}

.float-message {
    background: var(--gradient-primary);
}

.float-top {
    background: var(--primary-light);
    opacity: 0;
    visibility: hidden;
    border: none;
    cursor: pointer;
}

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

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

.float-tooltip {
    position: absolute;
    right: 70px;
    background: var(--primary);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.float-btn:hover .float-tooltip {
    opacity: 1;
    visibility: visible;
    right: 75px;
}

/* ==================== 弹窗 ==================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.modal.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: white;
    border-radius: 20px;
    padding: 50px;
    text-align: center;
    max-width: 420px;
    width: 90%;
    animation: scaleIn 0.3s ease;
}

@keyframes scaleIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: rgba(39, 174, 96, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: #27ae60;
}

.modal-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.modal-content p {
    font-size: 15px;
    color: var(--text-body);
    margin-bottom: 8px;
}

.modal-phone {
    font-size: 18px !important;
    color: var(--primary) !important;
    font-weight: 600;
    margin-bottom: 24px !important;
}

.modal-phone strong {
    color: var(--secondary);
}

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
    .hero-title { font-size: 56px; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .values-grid { grid-template-columns: repeat(2, 1fr); }
    .insights-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-content { grid-template-columns: repeat(2, 1fr); }
    .process-flow { flex-wrap: wrap; }
    .process-arrow { display: none; }
    .process-step { flex: 0 0 calc(33.333% - 20px); margin-bottom: 30px; }
}

@media (max-width: 768px) {
    .nav-menu, .nav-contact { display: none; }
    .hamburger { display: flex; }
    .nav-menu.active {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary);
        flex-direction: column;
        padding: 20px;
        gap: 0;
    }
    .nav-menu.active .nav-link {
        padding: 16px 0;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .hero-title { font-size: 40px; }
    .hero-subtitle { font-size: 16px; }
    .section-title { font-size: 32px; }
    .about-content { grid-template-columns: 1fr; gap: 60px; }
    .image-badge { right: 0; bottom: -20px; padding: 16px 24px; }
    .about-stats { grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .services-grid { grid-template-columns: 1fr; }
    .advantages-grid { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: 1fr; }
    .case-card { grid-template-columns: 1fr; }
    .case-info { padding: 30px; }
    .insights-grid { grid-template-columns: 1fr; }
    .contact-content { grid-template-columns: 1fr; }
    .contact-form-wrapper { padding: 30px 24px; }
    .form-row { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; gap: 40px; }
    .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
    .process-section { padding: 30px 20px; }
    .process-step { flex: 0 0 100%; }
    .cta-content h2 { font-size: 28px; }
    .floating-contact { right: 15px; bottom: 15px; }
    .float-btn { width: 48px; height: 48px; font-size: 18px; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 32px; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .btn { width: 100%; justify-content: center; max-width: 280px; }
    .about-stats { grid-template-columns: 1fr 1fr; }
    .case-results { grid-template-columns: 1fr; gap: 16px; }
}