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

:root {
    --primary: #1a56db;
    --primary-dark: #1e40af;
    --secondary: #6366f1;
    --dark: #1f2937;
    --darker: #111827;
    --gray: #6b7280;
    --light: #f9fafb;
    --white: #ffffff;
    --accent: #f59e0b;
    --success: #10b981;
    --gradient-primary: linear-gradient(135deg, #1a56db 0%, #6366f1 100%);
    --gradient-gold: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-primary: 0 4px 20px rgba(99, 102, 241, 0.3);
}

body, html {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

body {
    padding-top: 36px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== 顶部电话栏 ===== */
.topbar {
    background: linear-gradient(90deg, #0a1428 0%, #1a2a50 100%);
    color: rgba(255,255,255,0.85);
    font-size: 0.82rem;
    padding: 7px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10001;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    width: 100%;
}

.topbar .container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.topbar-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #fbbf24 !important;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: color 0.2s;
}

.topbar-phone:hover {
    color: #fde68a !important;
}

.phone-icon {
    font-size: 1rem;
}

.phone-num {
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.phone-label {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.6);
    font-weight: 400;
}

/* ===== 页脚联系方式 ===== */
.footer-contact {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding: 20px 0 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,0.75);
    font-size: 0.88rem;
}

.footer-contact-item a {
    color: #bfdbfe;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-contact-item a:hover {
    color: #fbbf24;
}

.footer-contact-icon {
    font-size: 1rem;
    flex-shrink: 0;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed !important;
    top: 36px !important;
    left: 0 !important;
    right: 0 !important;
    background: #0a1428 !important;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3) !important;
    z-index: 999999 !important;
    padding: 15px 0 !important;
    transition: padding 0.3s ease !important;
    width: 100% !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.navbar.scrolled {
    padding: 10px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0;
    padding-left: 16px;
    border-left: 2px solid rgba(255, 255, 255, 0.15);
    margin-left: -16px;
}

.logo-img {
    height: 44px;
    width: auto;
    border-radius: 10px;
    box-shadow: 0 0 0 2px rgba(255,255,255,0.12), 0 2px 8px rgba(0,0,0,0.3);
    flex-shrink: 0;
}

.logo-text-wrap {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    margin-left: 12px;
}

.logo-text-cn {
    font-size: 1.05rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, #bfdbfe 50%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    filter: drop-shadow(0 1px 3px rgba(0,0,0,0.4));
    white-space: nowrap;
    letter-spacing: 0.5px;
}

.logo-text-en {
    font-size: 0.62rem;
    color: rgba(255, 255, 255, 0.65);
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
    white-space: nowrap;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-top: 2px;
}

.logo-icon {
    background: var(--gradient-primary);
    color: white;
    padding: 8px 14px;
    border-radius: 10px;
    font-weight: bold;
    font-size: 1.2rem;
    box-shadow: var(--shadow-primary);
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--darker);
}

.nav-links {
    display: flex;
    gap: 16px;
}

.nav-links a {
    color: #ffffff;
    font-weight: 600;
    font-size: 0.88rem;
    letter-spacing: 0.1px;
    text-shadow: 0 1px 4px rgba(0,0,0,0.5);
    transition: all 0.3s;
    position: relative;
    white-space: nowrap;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s;
}

.nav-links a:hover {
    color: #fbbf24;
}

.nav-links a:hover::after {
    width: 100%;
    background: linear-gradient(90deg, #f59e0b, #fbbf24);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.9);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-large {
    padding: 15px 35px;
    font-size: 1.1rem;
}

/* ===== 横幅 ===== */
.hero {
    position: relative;
    min-height: calc(100vh - 36px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--darker) 0%, #1a1f35 50%, var(--dark) 100%);
    padding-top: 90px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(26, 86, 219, 0.15) 0%, transparent 50%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 40px 20px;
    animation: fadeInUp 1s ease;
}

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

.hero h1 {
    font-size: 4rem;
    color: white;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #60a5fa, #a78bfa, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(167, 139, 250, 0.3);
}

.hero h1 .highlight {
    background: linear-gradient(135deg, #f59e0b, #f97316, #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(245, 158, 11, 0.4);
    font-weight: 800;
    letter-spacing: 1px;
}

.hero-subtitle {
    font-size: 1.6rem;
    color: #93c5fd;
    margin-bottom: 10px;
    font-weight: 500;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 35px;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 45px;
}

.badge {
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: #a5b4fc;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.95rem;
    backdrop-filter: blur(5px);
}

/* ===== 通用区块 ===== */
.section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--darker);
    margin-bottom: 50px;
    position: relative;
}

.section-desc {
    text-align: center;
    color: var(--gray);
    font-size: 1rem;
    margin-top: -30px;
    margin-bottom: 40px;
    line-height: 1.6;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 15px auto 0;
    border-radius: 2px;
}

.section-dark {
    background: linear-gradient(135deg, var(--darker), #1a1f35);
    color: white;
}

.section-dark .section-title {
    color: white;
}

.section-light {
    background: linear-gradient(180deg, var(--light) 0%, #fff 100%);
}

/* ===== 核心优势 ===== */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.advantage-card {
    background: white;
    padding: 35px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--gradient-primary);
    transition: height 0.4s ease;
}

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

.advantage-card:hover::before {
    height: 100%;
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.advantage-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--darker);
}

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

/* ===== 关于我们 ===== */
.about-showcase {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: start;
}

.about-images {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.about-main-img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    object-fit: cover;
    max-height: 280px;
}

.about-side-imgs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.about-side-imgs img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    object-fit: cover;
    height: 120px;
}

.about-content h3 {
    font-size: 1.5rem;
    color: var(--darker);
    margin-bottom: 8px;
    font-weight: 800;
}

.about-sub {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 16px;
    font-weight: 600;
}

.about-sub strong {
    color: var(--darker);
}

.about-desc {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.about-desc strong {
    color: var(--darker);
    font-weight: 600;
}

.about-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.about-badge {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(99, 102, 241, 0.05));
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
}

.about-stats {
    display: flex;
    gap: 30px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid #e5e7eb;
}

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

.stat-num {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--gray);
    margin-top: 4px;
}

/* ===== NCVM工艺 ===== */
.ncvm-showcase {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    margin-bottom: 50px;
    align-items: center;
}

.ncvm-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.ncvm-image img {
    width: 100%;
    height: 350px;
    object-fit: cover;
}

.ncvm-image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
}

.ncvm-image-placeholder span {
    font-size: 5rem;
    margin-bottom: 15px;
}

.ncvm-image-placeholder p {
    font-size: 1.2rem;
    font-weight: 600;
}

.ncvm-highlight {
    background: rgba(99, 102, 241, 0.1);
    padding: 30px;
    border-radius: 16px;
    border-left: 4px solid var(--secondary);
    margin-bottom: 25px;
}

.ncvm-highlight h3 {
    color: #a5b4fc;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.ncvm-highlight p {
    color: #e5e7eb;
    line-height: 1.8;
    font-size: 1rem;
}

.ncvm-features {
    display: grid;
    gap: 12px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all 0.3s;
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.feature-icon {
    width: 28px;
    height: 28px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.ncvm-applications h3 {
    text-align: center;
    margin-bottom: 25px;
    color: #e5e7eb;
    font-size: 1.3rem;
}

.app-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.app-tag {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(99, 102, 241, 0.1));
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: white;
    padding: 12px 25px;
    border-radius: 30px;
    font-size: 1rem;
    transition: all 0.3s;
}

.app-tag:hover {
    background: rgba(99, 102, 241, 0.5);
    transform: scale(1.05);
}

/* ===== 加工服务 ===== */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.service-card {
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid #e5e7eb;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 20px rgba(26, 86, 219, 0.15);
    transform: translateY(-5px);
}

.service-card.featured {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
}

.service-card.featured h3,
.service-card.featured p {
    color: white;
}

.featured-badge {
    position: absolute;
    top: 15px;
    right: -30px;
    background: var(--gradient-gold);
    color: white;
    padding: 5px 35px;
    font-size: 0.75rem;
    font-weight: 600;
    transform: rotate(45deg);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.service-card h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--darker);
}

.service-card p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ===== 加工案例 ===== */
.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.case-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s ease;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.case-image {
    height: 200px;
    background: linear-gradient(135deg, #e0e7ff, #c7d2fe);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    overflow: hidden;
    position: relative;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.case-image span {
    position: absolute;
    font-size: 4rem;
}

.case-image p {
    position: absolute;
    bottom: 10px;
    left: 0;
    right: 0;
    text-align: center;
    color: white;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.ncvm-case {
    background: linear-gradient(135deg, #818cf8, #6366f1);
}

.case-card h3 {
    padding: 20px 20px 8px;
    font-size: 1.15rem;
    color: var(--darker);
}

.case-card p {
    padding: 0 20px 20px;
    color: var(--gray);
    font-size: 0.9rem;
}

/* ===== 设备与产能 ===== */
.equipment-showcase {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: center;
}

.equipment-images {
    display: grid;
    gap: 15px;
}

.equipment-main {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #1f2937, #374151);
}

.equipment-main img {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.equipment-main .placeholder,
.testing-image .placeholder {
    height: 280px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    background: linear-gradient(135deg, #1f2937, #374151);
}

.equipment-main .placeholder span,
.testing-image .placeholder span {
    font-size: 4rem;
    margin-bottom: 10px;
}

.equipment-thumbs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.thumb {
    border-radius: 12px;
    overflow: hidden;
    background: linear-gradient(135deg, #374151, #4b5563);
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumb span {
    font-size: 2.5rem;
}

.equipment-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.equipment-category {
    background: white;
    padding: 25px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary);
}

.equipment-category h3 {
    color: var(--primary);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.equipment-category ul {
    color: var(--gray);
}

.equipment-category li {
    padding: 8px 0;
    border-bottom: 1px dashed #e5e7eb;
    display: flex;
    align-items: center;
    gap: 10px;
}

.equipment-category li::before {
    content: '•';
    color: var(--primary);
    font-size: 1.2rem;
}

.equipment-category li:last-child {
    border-bottom: none;
}

/* ===== 检测仪器 ===== */
.testing-showcase {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 40px;
}

.testing-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.testing-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.testing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.testing-card {
    background: white;
    padding: 20px 16px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
    border: 1px solid #e5e7eb;
}

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

.testing-img-wrap {
    width: 100%;
    height: 120px;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 12px;
    background: #f3f4f6;
}

.testing-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.testing-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    display: block;
}

.testing-card h4 {
    color: var(--darker);
    margin-bottom: 8px;
    font-size: 1rem;
}

.testing-card p {
    color: var(--gray);
    font-size: 0.85rem;
}

.cert-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding-top: 30px;
    border-top: 1px solid #e5e7eb;
}

.cert-badge {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(245, 158, 11, 0.05));
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #d97706;
    padding: 12px 25px;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 600;
}

/* ===== 工艺流程 ===== */
.process-timeline {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.process-step {
    flex: 1;
    min-width: 180px;
    max-width: 220px;
    text-align: center;
    position: relative;
}

.process-step:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -25px;
    top: 20px;
    font-size: 1.5rem;
    color: var(--primary);
}

.step-number {
    width: 55px;
    height: 55px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 18px;
    box-shadow: var(--shadow-primary);
}

.step-content {
    background: white;
    padding: 22px;
    border-radius: 14px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
}

.step-content:hover {
    box-shadow: var(--shadow-md);
}

.step-content.highlight {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-primary);
}

.step-content.highlight h4,
.step-content.highlight p {
    color: white;
}

.step-content h4 {
    color: var(--darker);
    margin-bottom: 8px;
    font-size: 1.05rem;
}

.step-content p {
    color: var(--gray);
    font-size: 0.85rem;
}

/* ===== 联系方式 ===== */
.contact-section {
    background: linear-gradient(180deg, var(--light), white);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 20px;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    font-size: 2rem;
    width: 55px;
    height: 55px;
    background: var(--gradient-primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    color: var(--darker);
    margin-bottom: 5px;
    font-size: 1rem;
}

.contact-item p {
    color: var(--gray);
}

.contact-item a {
    color: var(--primary);
    font-size: 1.3rem;
    font-weight: 700;
}

.contact-map {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow-md);
}

.map-placeholder {
    text-align: center;
    padding: 50px 30px;
    background: linear-gradient(135deg, #f3f4f6, #e5e7eb);
    border-radius: 16px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.map-placeholder p {
    font-size: 1.2rem;
    color: var(--darker);
    margin-bottom: 12px;
    font-weight: 600;
}

.map-tip {
    color: var(--primary) !important;
    font-weight: 700 !important;
    font-size: 1.1rem !important;
}

.map-sub {
    font-size: 0.95rem !important;
    color: var(--gray) !important;
    font-weight: 400 !important;
}

.contact-cta {
    text-align: center;
}

.contact-cta p {
    font-size: 1.4rem;
    color: var(--darker);
    margin-bottom: 25px;
    font-weight: 600;
}

.contact-cta .btn {
    margin: 0 12px;
}

/* ===== 页脚 ===== */
.footer {
    background: var(--darker);
    color: var(--gray);
    text-align: center;
    padding: 50px 0;
}

.footer p {
    margin-bottom: 8px;
}

.footer p:first-child {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
    .ncvm-showcase,
    .equipment-showcase,
    .testing-showcase {
        grid-template-columns: 1fr;
    }
    
    .ncvm-image,
    .equipment-main,
    .testing-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .hero {
        padding-top: 130px;
        min-height: calc(100vh - 36px);
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .process-timeline {
        flex-direction: column;
        align-items: center;
    }
    
    .process-step:not(:last-child)::after {
        display: none;
    }
    
    .process-step {
        max-width: 100%;
        width: 100%;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .testing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-cta .btn {
        display: block;
        margin: 12px auto;
    }
    
    .hero-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .app-tags,
    .cert-badges {
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .testing-grid {
        grid-template-columns: 1fr;
    }
    
    .equipment-thumbs {
        grid-template-columns: 1fr;
    }
}

/* ===== 工艺技术定义 ===== */
.tech-def-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 30px;
}

.tech-def-card {
    background: var(--white);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
}

.tech-def-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.tech-def-card h3 {
    color: var(--primary);
    font-size: 1.2rem;
    margin-bottom: 12px;
}

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

/* ===== 工艺技术对比表 ===== */
.table-wrapper {
    overflow-x: auto;
    margin-top: 30px;
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.compare-table th,
.compare-table td {
    padding: 16px 20px;
    text-align: center;
    border-bottom: 1px solid #e5e7eb;
}

.compare-table th {
    background: var(--primary);
    color: white;
    font-weight: 600;
}

.compare-table tr:last-child td {
    border-bottom: none;
}

.compare-table tr:hover {
    background: #f3f4f6;
}

/* ===== 行业服务经验 ===== */
.cases-exp-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 30px;
}

.case-exp-item {
    background: var(--white);
    padding: 24px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
}

.case-exp-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.case-exp-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    display: block;
}

.case-exp-item h4 {
    color: var(--primary);
    margin-bottom: 8px;
}

.case-exp-item p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ===== 认证与资质 ===== */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 30px;
}

.cert-item {
    background: var(--white);
    padding: 16px 20px;
    border-radius: 8px;
    border-left: 4px solid var(--primary);
    color: var(--dark);
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

/* ===== FAQ ===== */
.faq-list {
    max-width: 800px;
    margin: 30px auto 0;
}

.faq-item {
    background: var(--white);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
}

.faq-item h4 {
    color: var(--primary);
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.faq-item p {
    color: var(--dark);
    line-height: 1.7;
}

/* ===== 响应式 GEO模块 ===== */
@media (max-width: 992px) {
    .tech-def-grid,
    .cases-exp-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .tech-def-grid,
    .cases-exp-grid {
        grid-template-columns: 1fr;
    }
    
    .compare-table th,
    .compare-table td {
        padding: 12px 8px;
        font-size: 0.85rem;
    }
}

/* ===== 导航激活状态 ===== */
.nav-links a.active {
    color: #fbbf24 !important;
}

.nav-links a.active::after {
    width: 100%;
    background: linear-gradient(90deg, #f59e0b, #fbbf24);
}

/* ===== 子页面 Hero ===== */
.page-hero {
    background: linear-gradient(135deg, #0a1428 0%, #1a2a50 60%, #0d1b3e 100%);
    padding: 120px 0 70px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(circle at 30% 70%, rgba(99,102,241,0.12) 0%, transparent 50%),
        radial-gradient(circle at 75% 25%, rgba(26,86,219,0.12) 0%, transparent 50%);
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, #bfdbfe 50%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.page-hero p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.65);
    letter-spacing: 0.5px;
}

/* ===== 面包屑导航 ===== */
.page-hero .breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.55);
}

.page-hero .breadcrumb a {
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    transition: color 0.2s;
}

.page-hero .breadcrumb a:hover {
    color: #fbbf24;
}

.page-hero .breadcrumb .sep {
    color: rgba(255,255,255,0.3);
    font-size: 0.75rem;
}

.page-hero .breadcrumb .current {
    color: #fbbf24;
    font-weight: 600;
}

.page-hero .hero-icon {
    display: block;
    margin: 0 auto 16px;
    width: 48px;
    height: 48px;
    opacity: 0.9;
}

/* ===== Hero 按钮组 ===== */
.hero-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-call {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white !important;
    padding: 14px 32px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1.05rem;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 4px 20px rgba(245,158,11,0.35);
    transition: all 0.3s;
    letter-spacing: 0.5px;
}

.btn-call:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(245,158,11,0.5);
}

/* ===== CTA区块 ===== */
.cta-section {
    background: linear-gradient(135deg, #0f172a 0%, #1a2a50 100%);
}

.cta-box {
    text-align: center;
    padding: 20px 0;
}

.cta-box h2 {
    font-size: 2.2rem;
    color: white;
    margin-bottom: 12px;
    font-weight: 800;
}

.cta-box p {
    color: rgba(255,255,255,0.65);
    font-size: 1.05rem;
    margin-bottom: 30px;
}

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

/* ===== Footer 导航 ===== */
.footer-nav {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-nav a {
    color: rgba(255,255,255,0.65);
    font-size: 0.95rem;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-nav a:hover {
    color: #fbbf24;
}

/* ===== 行业新闻列表 ===== */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 900px;
    margin: 0 auto;
}

.news-item {
    display: flex;
    gap: 28px;
    padding: 30px 0;
    border-bottom: 1px solid #e5e7eb;
    align-items: flex-start;
    transition: background 0.2s;
}

.news-item:last-child {
    border-bottom: none;
}

.news-date {
    flex-shrink: 0;
    width: 72px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 700;
    background: rgba(26,86,219,0.07);
    border-radius: 8px;
    padding: 8px 4px;
    line-height: 1.4;
    letter-spacing: 0.5px;
}

.news-content {
    flex: 1;
}

.news-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 12px;
    margin-bottom: 8px;
}

.tag-tech {
    background: rgba(99,102,241,0.12);
    color: #4f46e5;
    border: 1px solid rgba(99,102,241,0.2);
}

.tag-industry {
    background: rgba(16,185,129,0.1);
    color: #059669;
    border: 1px solid rgba(16,185,129,0.2);
}

.tag-market {
    background: rgba(245,158,11,0.12);
    color: #d97706;
    border: 1px solid rgba(245,158,11,0.2);
}

.news-content h3 {
    font-size: 1.15rem;
    color: var(--darker);
    margin-bottom: 10px;
    font-weight: 700;
    line-height: 1.5;
}

.news-content p {
    color: var(--gray);
    font-size: 0.92rem;
    line-height: 1.75;
    margin-bottom: 8px;
}

.news-meta {
    font-size: 0.8rem !important;
    color: #9ca3af !important;
    margin-top: 4px !important;
}

@media (max-width: 768px) {
    .navbar {
        top: 36px !important;
        position: fixed !important;
        display: block !important;
        z-index: 999999 !important;
    }

    .page-hero {
        padding: 100px 0 50px;
    }

    .page-hero h1 {
        font-size: 2rem;
    }

    .news-item {
        flex-direction: column;
        gap: 12px;
    }

    .news-date {
        width: auto;
        display: inline-block;
    }

    .footer-nav {
        gap: 16px;
    }

    .cta-box h2 {
        font-size: 1.6rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .phone-num {
        font-size: 0.9rem;
    }
}

/* ===== 合作厂商页面样式 ===== */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.partner-card {
    background: white;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

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

.partner-logo-img {
    max-width: 200px;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    margin-bottom: 20px;
    filter: grayscale(100%) opacity(0.6);
    transition: all 0.3s ease;
}

.partner-card:hover .partner-logo-img {
    filter: grayscale(0%) opacity(1);
}

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

.partner-card p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== 合作伙伴LOGO SVG风格背景 ===== */
.partner-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 18px 30px;
    min-width: 160px;
    min-height: 70px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.partner-logo:hover {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.partner-logo img {
    max-height: 50px;
    max-width: 130px;
    width: auto;
    height: auto;
    object-fit: contain;
}

/* ===== 导航栏强制显示保障（移动端兼容） ===== */
@media (max-width: 768px) {
    .navbar {
        display: flex !important;
        flex-direction: column;
        position: fixed !important;
        top: 36px !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        z-index: 999999 !important;
        background: #0a1428 !important;
        padding: 12px 0 !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4) !important;
    }
    
    .navbar .container {
        display: flex !important;
        flex-wrap: wrap !important;
        align-items: center !important;
        justify-content: space-between !important;
        width: 100% !important;
    }
    
    .logo {
        flex: 1 !important;
        min-width: 0 !important;
        margin-right: 10px !important;
    }
    
    .mobile-menu-btn {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
}

@media (max-width: 480px) {
    .navbar {
        padding: 10px 0 !important;
    }
    
    .logo-text-cn {
        font-size: 0.9rem !important;
    }
    
    .logo-text-en {
        font-size: 0.65rem !important;
    }
}

/* 极端小屏幕兼容 */
@media (max-width: 360px) {
    .navbar {
        top: 36px !important;
    }
    
    .logo-img {
        height: 36px !important;
    }
    
    .logo-text-cn {
        font-size: 0.8rem !important;
    }
}

/* ===== 移动端菜单展开样式 ===== */
.nav-links.active {
    display: flex !important;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #0a1428;
    padding: 20px;
    gap: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 999999;
}

.nav-links.active li {
    width: 100%;
    text-align: center;
}

.nav-links.active a {
    display: block;
    padding: 10px;
    font-size: 1rem;
}

/* 移动端导航栏容器高度修正 */
@media (max-width: 768px) {
    .navbar .container {
        min-height: 50px;
    }
    
    .nav-links {
        display: none !important;
    }
    
    .nav-links.active {
        display: flex !important;
    }
}

/* ===== 合作伙伴LOGO强制显示保障 ===== */
.partner-logo img {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    filter: none !important;
    height: 50px !important;
    max-height: 50px !important;
    width: auto !important;
    object-fit: contain !important;
    background: transparent !important;
    mix-blend-mode: normal !important;
}

.partner-logo:hover img {
    filter: grayscale(0%) !important;
    transform: scale(1.1) !important;
}