/* ========================================
   江苏智仁景行新材料研究院 - 样式表
   ======================================== */

/* --- CSS Variables --- */
:root {
    --color-primary: #0A2463;
    --color-primary-dark: #0D1B3E;
    --color-primary-light: #1a3a6e;
    --color-accent: #00D4FF;
    --color-accent-blue: #3E5CFF;
    --color-dark: #1A1A2E;
    --color-gray-dark: #4A4A6A;
    --color-gray: #6B7280;
    --color-gray-light: #9CA3AF;
    --color-bg: #FFFFFF;
    --color-bg-alt: #f8f9fa;
    --color-bg-cool: #F4F7FB;
    --color-border: #E5E7EB;
    --color-text: #1A1A2E;
    --color-text-secondary: #4A4A6A;
    --color-transition-1: #0B2159;
    --color-transition-2: #0A1628;

    --font-title: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    --font-body: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --font-number: "DIN Alternate", "Roboto", "Helvetica Neue", sans-serif;

    --max-width: 1300px;
    --side-padding: clamp(20px, 4vw, 80px);
    --nav-height: 80px;
    --hero-height: 100vh;
    --section-gap: 100px;
    --card-radius: 8px;
    --btn-radius: 4px;

    --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
    --shadow-card-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.08);

    --transition: 0.5s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

p {
    text-indent: 2em;
}

.card p,
.stat-showcase-card p,
.product-info p,
.tech-feature-card p,
.benefit-item p,
.ps-field-overlay p,
.ps-process-info p,
.ps-cta-text p,
.careers-cta p,
.team-intro p,
.footer-col p,
.footer-bottom p,
.product-card p,
.app-icon-item span,
.sm-product-desc p,
.ps-field-card p,
.ps-service-desc,
.news-card p,
.honor-img-label,
.base-card h4,
.base-card p,
.timeline-card p,
.v-timeline-card p,
.ps-field-desc p,
.careers-benefit-item p,
.contact-info-item p,
.pd-desc p,
.pd-table-wrap p,
.contact-form-subtitle,
.product-detail-loading p,
.product-detail-error p,
.news-excerpt,
.career-card-desc {
    text-indent: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.product-line-subtitle {
    text-indent: 0;
    white-space: normal;
    overflow: visible;
    max-width: 100%;
}

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

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

ul {
    list-style: none;
}

button {
    border: none;
    cursor: pointer;
    font-family: inherit;
    background: none;
}

/* --- Container --- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0;
}

/* --- Section Common --- */
.section {
    padding: var(--section-gap) 0;
}

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

.section-subtitle {
    display: block;
    font-size: 14px;
    letter-spacing: 4px;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.section-title {
    font-family: var(--font-title);
    font-size: 36px;
    font-weight: 700;
    color: var(--color-dark);
    position: relative;
    display: inline-block;
}

.section-divider {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    margin: 16px auto 0;
    border-radius: 2px;
}

section.section-block {
    width: 100%;
    padding: 80px 0;
    background: #f8f9fc;
    position: relative;
    overflow: hidden;
}

section.section-block:nth-of-type(even) {
    background: #fff;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 500;
    border-radius: var(--btn-radius);
    transition: all var(--transition);
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--color-accent-blue);
    transform: translateY(-2px);
}

.btn-outline {
    border: 1px solid #fff;
    color: #fff;
    background: transparent;
}

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

.btn-sm {
    padding: 10px 24px;
    font-size: 14px;
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    background: transparent;
    transition: all 0.6s ease;
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.72);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.navbar-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-logo {
    flex-shrink: 0;
}

.navbar-logo img {
    height: 50px;
    width: auto;
    transition: filter 0.6s ease;
}

/* Logo始终白色 */
.navbar-logo img {
    filter: brightness(0) invert(1);
}

.navbar-menu {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-item {
    position: relative;
}

.nav-item > a {
    display: block;
    padding: 8px 16px;
    font-size: 17px;
    font-weight: 500;
    color: #fff;
    position: relative;
    transition: color var(--transition);
}

.navbar.scrolled .nav-item > a {
    color: #fff;
}

.nav-item > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition);
}

.nav-item > a:hover,
.nav-item.active > a {
    color: var(--color-accent);
}

.navbar.scrolled .nav-item > a:hover,
.navbar.scrolled .nav-item.active > a {
    color: var(--color-accent);
}

.nav-item > a:hover::after,
.nav-item.active > a::after {
    width: 20px;
}

/* 二级菜单 */
.dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: rgba(10, 22, 40, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--card-radius);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 8px 0;
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 100;
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown a {
    display: block;
    padding: 10px 24px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.75);
    white-space: nowrap;
    transition: all var(--transition);
}

.dropdown a:hover {
    color: var(--color-accent);
    background: rgba(255, 255, 255, 0.06);
}

/* 导航右侧 */
.navbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: #fff;
    font-weight: 500;
    transition: color var(--transition);
}

.navbar.scrolled .nav-phone {
    color: #fff;
}

.nav-phone svg {
    stroke: currentColor;
}

.nav-search-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #fff;
    transition: all var(--transition);
}

.navbar.scrolled .nav-search-btn {
    color: #fff;
}

.nav-search-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.navbar.scrolled .nav-search-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-accent);
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    transition: all var(--transition);
}

.navbar.scrolled .hamburger span {
    background: #fff;
}

/* 搜索弹窗 */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 36, 99, 0.9);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-box {
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: var(--card-radius);
    padding: 8px;
    max-width: 600px;
    width: 90%;
    transform: translateY(20px);
    transition: transform var(--transition);
}

.search-overlay.active .search-box {
    transform: translateY(0);
}

.search-box input {
    flex: 1;
    border: none;
    outline: none;
    padding: 12px 16px;
    font-size: 16px;
    font-family: inherit;
}

.search-submit {
    padding: 12px 24px;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--btn-radius);
    font-size: 15px;
    font-weight: 500;
    transition: background var(--transition);
}

.search-submit:hover {
    background: var(--color-accent-blue);
}

.search-close {
    font-size: 28px;
    color: var(--color-gray);
    padding: 8px 16px;
    transition: color var(--transition);
}

.search-close:hover {
    color: var(--color-dark);
}

/* ========================================
   Hero 主视觉区
   ======================================== */
.hero {
    position: relative;
    height: var(--hero-height);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    overflow: hidden;
    padding-top: calc(18vh + 100px);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #0a1628 0%, #0d2847 25%, #1a3a6e 50%, #0d2847 75%, #0a1628 100%);
}

#heroCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    width: 100%;
    padding: 0;
    margin: 80px auto 0;
}

.hero-tag {
    display: block;
    font-size: 10px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
    letter-spacing: 5px;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero-divider {
    display: block;
    width: 40px;
    height: 2px;
    background: var(--color-accent);
    margin: 0 auto 32px;
}

.hero-title {
    font-family: var(--font-title);
    font-size: 50px;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    margin: 0;
    letter-spacing: 0.5px;
}

.hero-title-highlight {
    color: var(--color-accent);
    position: relative;
}

.hero-subtitle {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    letter-spacing: 0.5px;
    max-width: 600px;
}

.hero-cta {
    display: inline-block;
    padding: 16px 48px;
    background: var(--color-accent);
    color: var(--color-primary-dark);
    font-size: 18px;
    font-weight: 600;
    border-radius: var(--btn-radius);
    transition: all var(--transition);
    letter-spacing: 1px;
}

.hero-cta:hover {
    background: #fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.3);
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, transparent 0%, rgba(10, 22, 40, 0.3) 40%, rgba(10, 22, 40, 0.7) 100%);
    z-index: 2;
    pointer-events: none;
}

.hero-scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid rgba(255, 255, 255, 0.5);
    border-bottom: 2px solid rgba(255, 255, 255, 0.5);
    transform: rotate(45deg);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: rotate(45deg) translate(0, 0); opacity: 0.5; }
    50% { transform: rotate(45deg) translate(6px, 6px); opacity: 1; }
}

/* ========================================
   关于我们（深色斜切 + 图片破格 + 下方数据条）
    ======================================== */
.about-section {
    padding: 0;
    position: relative;
}

/* Hero到About的渐变过渡 */
.about-section::before {
    content: '';
    position: absolute;
    top: -80px;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to bottom, transparent 0%, #0B2159 100%);
    z-index: 1;
    pointer-events: none;
}

.about-v3 {
    position: relative;
    overflow: hidden;
    background: linear-gradient(160deg, #0B2159 0%, #0D1B3E 40%, #0A1628 100%);
    padding: 100px 0 0;
}

.about-v3-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 60% 50% at 80% 30%, rgba(0, 212, 255, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 40% 60% at 10% 70%, rgba(62, 92, 255, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.about-v3-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.about-v3-glow {
    position: absolute;
    top: 50%;
    right: 15%;
    transform: translateY(-50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.about-v3-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
    padding-bottom: 100px;
}

.about-v3-left {
    max-width: 540px;
}

.about-v3-label {
    display: block;
    font-size: 12px;
    letter-spacing: 6px;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.about-v3-title {
    font-family: var(--font-title);
    font-size: 40px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    line-height: 1.3;
}

.about-v3-line {
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-blue));
    margin-bottom: 32px;
    border-radius: 2px;
}

.about-v3-desc {
    font-size: 15px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 10px;
}

.about-v3-left .about-v3-desc + .about-v3-desc {
    margin-top: 14px;
}

.about-v3-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}

.about-v3-tag {
    display: inline-block;
    padding: 6px 16px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.about-v3-tag:hover {
    background: rgba(0, 212, 255, 0.12);
    border-color: rgba(0, 212, 255, 0.25);
    color: #fff;
}

.about-v3-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 36px;
    padding: 14px 32px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--btn-radius);
    transition: all 0.4s ease;
    letter-spacing: 0.5px;
}

.about-v3-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.25);
}

.about-v3-btn span {
    transition: transform 0.3s ease;
    font-size: 16px;
}

.about-v3-btn:hover span {
    transform: translateX(4px);
}

.about-v3-right {
    position: relative;
    display: flex;
    justify-content: flex-end;
}

.about-v3-img-wrap {
    position: relative;
    width: 100%;
    max-width: 560px;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.about-v3-img-wrap::before {
    content: '';
    position: absolute;
    top: -10px;
    right: -10px;
    width: 100%;
    height: 100%;
    border-top: 2px solid rgba(0, 212, 255, 0.25);
    border-right: 2px solid rgba(0, 212, 255, 0.25);
    border-radius: 4px;
    z-index: -1;
}

.about-v3-img-wrap img {
    width: 100%;
    height: 440px;
    object-fit: cover;
    object-position: top center;
    display: block;
}

.about-v3-img-wrap::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30%;
    background: linear-gradient(to top, rgba(10, 22, 40, 0.6) 0%, transparent 100%);
    pointer-events: none;
}

/* 毛玻璃数据卡 */
.about-v3-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    position: relative;
    z-index: 3;
    margin-top: -50px;
    padding-bottom: 60px;
}

/* About底部到Products的过渡 */
.about-v3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to bottom, transparent 0%, #0A1628 100%);
    pointer-events: none;
}

.about-v3-stat {
    text-align: center;
    padding: 36px 20px 32px;
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 12px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.about-v3-stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-blue));
    transition: width 0.4s ease;
}

.about-v3-stat:hover::before {
    width: 50px;
}

.about-v3-stat:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(0, 212, 255, 0.15);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.about-v3-stat-num {
    font-family: var(--font-number);
    font-size: 48px;
    font-weight: 700;
    color: #fff;
    line-height: 1;
    margin-bottom: 14px;
}

.about-v3-stat-suffix {
    font-size: 20px;
    color: var(--color-accent);
    font-weight: 600;
}

.about-v3-stat-unit {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 400;
    margin-left: 4px;
}

.about-v3-stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
    letter-spacing: 1px;
}

.stat-item:hover {
    background: var(--color-bg-alt);
}

.stat-number {
    font-family: var(--font-number);
    font-size: 60px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.1;
    display: inline;
}

.stat-suffix-inline {
    font-family: var(--font-number);
    font-size: 24px;
    font-weight: 600;
    color: var(--color-primary);
    display: inline;
    vertical-align: super;
    margin-left: 2px;
}

.stat-label {
    display: block;
    font-size: 15px;
    color: var(--color-gray);
    margin-top: 8px;
    letter-spacing: 0.5px;
}

/* ========================================
   核心产品
    ======================================== */
.products-section {
    background: linear-gradient(180deg, 
        #0A1628 0%, 
        #0B2159 15%, 
        #0d2250 30%, 
        #0b1e45 50%, 
        #0a1a3a 70%, 
        #091630 100%);
    position: relative;
    overflow: hidden;
    padding-top: 0;
}

.products-section .products-header {
    padding-top: 100px;
}

.products-section::before {
    content: '';
    position: absolute;
    top: -150px;
    right: -100px;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.06) 0%, transparent 65%);
    border-radius: 50%;
    pointer-events: none;
}

.products-section::after {
    content: '';
    position: absolute;
    bottom: -120px;
    left: -120px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(62, 92, 255, 0.05) 0%, transparent 65%);
    border-radius: 50%;
    pointer-events: none;
}

.products-section .container {
    position: relative;
    z-index: 1;
}

.products-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 60px;
    padding: 50px 0 30px;
}

.products-header-left {
    flex-shrink: 0;
}

.products-en-title {
    display: block;
    font-size: 14px;
    letter-spacing: 4px;
    color: #ffffff;
    font-weight: 500;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.products-main-title {
    font-family: var(--font-title);
    font-size: 42px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.3;
}

.products-header-right {
    flex: 1;
    padding-top: 40px;
}

.products-header-right p {
    font-size: 16px;
    color: #ffffff;
    line-height: 1.8;
    text-align: right;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.products-scroll-wrapper {
    overflow: hidden;
    margin: 0 -20px;
    padding: 10px 0;
}

.products-scroll {
    display: flex;
    gap: 24px;
    animation: productScroll 40s linear infinite;
    width: max-content;
}

.products-scroll:hover {
    animation-play-state: paused;
}

@keyframes productScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.product-card {
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
    transition: all var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.2);
}

.product-img {
    height: 220px;
    overflow: hidden;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.product-info {
    padding: 20px;
    text-align: center;
    background: rgba(255, 255, 255, 0.04);
}

.product-info h4 {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 6px;
}

.product-info p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.products-cta {
    text-align: center;
    margin-top: 50px;
}

/* ========================================
   应用领域（参考中航光电解决方案）
    ======================================== */
.applications-section {
    padding: 0;
    position: relative;
    background: linear-gradient(180deg, 
        #091630 0%, 
        #0a1a3a 20%, 
        #0b1e45 40%, 
        #0d2250 60%, 
        #0B2159 80%, 
        #0A1628 100%);
}

.applications-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 60px;
    padding: 50px 0 30px;
}

.applications-header-left {
    flex-shrink: 0;
}

.applications-en-title {
    display: block;
    font-size: 14px;
    letter-spacing: 4px;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.applications-main-title {
    font-family: var(--font-title);
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
}

.applications-header-right {
    flex: 1;
    padding-top: 40px;
}

.applications-header-right p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    text-align: right;
}

.applications-banner {
    position: relative;
    width: 100%;
    height: 580px;
    overflow: hidden;
}

/* Applications banner顶部过渡 */
.applications-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to bottom, #0B2159 0%, rgba(10, 36, 99, 0.3) 40%, transparent 100%);
    z-index: 2;
    pointer-events: none;
}

/* Applications到Tech的渐变过渡 */
.applications-banner::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(to bottom, transparent 0%, rgba(10, 22, 40, 0.3) 30%, rgba(10, 22, 40, 0.6) 60%, rgba(10, 22, 40, 0.85) 100%);
    z-index: 2;
    pointer-events: none;
}

.app-banner-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease;
}

.app-banner-bg-active {
    opacity: 1;
}

.applications-banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 22, 40, 0.3) 0%, rgba(10, 22, 40, 0.5) 30%, rgba(10, 22, 40, 0.7) 60%, rgba(10, 22, 40, 0.85) 85%, rgba(10, 22, 40, 0.95) 100%);
    z-index: 1;
}

.applications-icons {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 150px;
    padding: 20px 0;
    z-index: 3;
}

.app-icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all var(--transition);
    padding-bottom: 8px;
    border-bottom: 2px solid transparent;
}

.app-icon-item svg {
    stroke: rgba(255, 255, 255, 0.5);
    transition: all var(--transition);
}

.app-icon-item span {
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.app-icon-item:hover,
.app-icon-item.active {
    color: #fff;
    border-bottom-color: var(--color-accent);
}

.app-icon-item:hover svg,
.app-icon-item.active svg {
    stroke: var(--color-accent);
    transform: scale(1.1);
}

/* ========================================
   技术创新（威拉里风格：整图底+左文右按钮+底部4卡片）
   ======================================== */
.tech-section {
    position: relative;
    overflow: hidden;
    padding: 0;
    min-height: 600px;
}

.tech-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, transparent 0%, rgba(10, 36, 99, 0.5) 30%, var(--color-primary) 100%);
    z-index: 1;
    pointer-events: none;
}

.tech-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.tech-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: opacity 0.6s ease;
}

.tech-bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, 
        rgba(10, 36, 99, 0.85) 0%, 
        rgba(10, 36, 99, 0.78) 5%, 
        rgba(10, 36, 99, 0.75) 10%, 
        rgba(10, 36, 99, 0.78) 20%, 
        rgba(10, 36, 99, 0.82) 40%, 
        rgba(10, 36, 99, 0.85) 60%, 
        rgba(10, 36, 99, 0.88) 80%, 
        rgba(10, 36, 99, 0.92) 100%);
    pointer-events: none;
}

.tech-container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 600px;
    padding: 100px 0 0;
}

/* 上半区：左文 + 右按钮 */
.tech-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 40px;
}

.tech-left {
    max-width: 720px;
}

.tech-en-title {
    display: block;
    font-size: 16px;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    margin-bottom: 12px;
}

.tech-main-title {
    font-family: var(--font-title);
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 0;
}

.tech-divider {
    width: 100%;
    max-width: 720px;
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
    margin: 16px 0 28px;
}

.tech-sub-title {
    font-family: var(--font-title);
    font-size: 26px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 28px;
    line-height: 1.5;
}

.tech-desc-list {
    list-style: none;
    margin-bottom: 0;
}

.tech-desc-list li {
    position: relative;
    padding-left: 24px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 2.2;
    margin-bottom: 4px;
}

.tech-desc-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 13px;
    width: 10px;
    height: 10px;
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    background: transparent;
}

/* 底部4卡片 */
.tech-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.tech-feature-card {
    text-align: left;
    padding: 40px 32px 48px;
    transition: all var(--transition);
    position: relative;
    cursor: pointer;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.tech-feature-card:not(:last-child) {
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.tech-feature-card.active {
    background: rgba(10, 60, 140, 0.55);
    border-top-color: transparent;
}

.tech-feature-card:hover {
    background: rgba(10, 60, 140, 0.35);
}

.tech-feature-icon {
    width: 44px;
    height: 44px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.tech-feature-icon svg {
    stroke: #fff;
}

.tech-feature-card h4 {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
    line-height: 1.4;
}

.tech-feature-card p {
    font-size: 12px;
    letter-spacing: 0.5px;
    color: rgba(255, 255, 255, 0.55);
    text-transform: uppercase;
    line-height: 1.6;
}

/* ========================================
   页脚
    ======================================== */
.footer {
    background: linear-gradient(180deg, var(--color-primary) 0%, #0a1a3a 50%, var(--color-primary-dark) 100%);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 2fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo img {
    height: 40px;
    filter: brightness(0) invert(1);
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
}

.footer-col h4 {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--color-accent);
}

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

.footer-links a {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--transition);
}

.footer-links a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact li span {
    white-space: nowrap;
    flex-shrink: 0;
}

.footer-contact svg {
    flex-shrink: 0;
    margin-top: 3px;
    stroke: var(--color-accent);
}

.footer-msg {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    margin-bottom: 16px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.4);
    transition: color var(--transition);
}

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

/* ========================================
   回到顶部
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
    z-index: 999;
    box-shadow: 0 4px 15px rgba(10, 36, 99, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-accent-blue);
    transform: translateY(-3px);
}

/* ========================================
   动画
   ======================================== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   页面标题区（内页通用）
   ======================================== */
.page-header {
    background: linear-gradient(135deg, #0A2463 0%, #0D1B3E 100%);
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    padding-top: 80px;
    box-sizing: border-box;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 2;
}

.page-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 36, 99, 0.75);
    pointer-events: none;
    z-index: 1;
}

.page-header > .container {
    position: relative;
    z-index: 3;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 20px;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition);
}

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

.breadcrumb-separator {
    color: rgba(255, 255, 255, 0.3);
}

.page-title {
    font-family: var(--font-title);
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    position: relative;
}

/* ========================================
   页面内容区（内页通用）
   ======================================== */
.page-content {
    padding: 80px 0;
    background: var(--color-bg);
}

/* ========================================
   企业介绍页
   ======================================== */
.about-intro {
    max-width: 900px;
    margin: 0 auto 60px;
}

.about-intro-text p {
    font-size: 16px;
    line-height: 2;
    color: var(--color-text-secondary);
    text-align: justify;
}

/* ========================================
   企业简介 v2 优化排版 - 左文右数据
   ======================================== */
.about-intro-layout {
    display: flex;
    gap: 50px;
    align-items: flex-start;
    margin-bottom: 60px;
}

.about-intro-left {
    flex: 1;
    min-width: 0;
}

.about-intro-right {
    flex: 0 0 340px;
}

.about-intro-header {
    margin-bottom: 40px;
    text-align: left;
}

.about-intro-title {
    font-family: var(--font-title);
    font-size: 36px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 16px;
}

.about-intro-line {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    margin: 16px 0 0;
    border-radius: 2px;
}

.about-intro-text-v2 {
    margin-bottom: 40px;
}

.about-intro-text-v2 p {
    font-size: 16px;
    line-height: 2;
    color: var(--color-text-secondary);
    text-align: justify;
}

.stats-grid-v2 {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin-bottom: 50px;
}

.stat-item-v2 {
    text-align: center;
    position: relative;
}

.stat-item-v2:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -40px;
    top: 10%;
    height: 80%;
    width: 1px;
    background: var(--color-border);
}

.stat-number-v2 {
    font-family: var(--font-number);
    font-size: 56px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    display: inline;
}

.stat-suffix-v2 {
    font-family: var(--font-number);
    font-size: 28px;
    font-weight: 600;
    color: var(--color-primary);
    display: inline;
    vertical-align: super;
    margin-left: 4px;
}

.stat-unit-v2 {
    font-family: var(--font-number);
    font-size: 20px;
    font-weight: 500;
    color: var(--color-gray);
    display: inline;
    margin-left: 4px;
}

.stat-label-v2 {
    display: block;
    font-size: 16px;
    color: var(--color-gray);
    margin-top: 12px;
    letter-spacing: 1px;
}

.stats-showcase-vertical {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.stat-showcase-card {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUpFade 0.6s ease forwards;
}

.stat-showcase-card:nth-child(1) {
    animation-delay: 0.1s;
}

.stat-showcase-card:nth-child(2) {
    animation-delay: 0.2s;
}

.stat-showcase-card:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes slideUpFade {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-showcase-card {
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, #ffffff 100%);
    border: 1px solid rgba(10, 36, 99, 0.08);
    border-radius: 12px;
    padding: 24px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(10, 36, 99, 0.06);
}

.stat-showcase-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent-blue) 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.stat-showcase-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(10, 36, 99, 0.12);
}

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

.stat-showcase-number {
    font-family: var(--font-number);
    font-size: 44px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 8px;
    display: block;
}

.stat-showcase-suffix {
    font-family: var(--font-number);
    font-size: 22px;
    font-weight: 600;
    color: var(--color-primary);
    vertical-align: super;
    margin-left: 4px;
}

.stat-showcase-unit {
    font-family: var(--font-number);
    font-size: 18px;
    font-weight: 500;
    color: var(--color-gray);
    margin-left: 6px;
}

.stat-showcase-label {
    font-size: 14px;
    color: var(--color-text-secondary);
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.stat-showcase-icon {
    color: var(--color-primary);
    opacity: 0.12;
    position: absolute;
    bottom: 16px;
    right: 16px;
    transition: opacity 0.3s ease;
}

.stat-showcase-card:hover .stat-showcase-icon {
    opacity: 0.25;
}

.about-desc-v2 {
    margin-bottom: 0;
}

.about-desc-v2 p {
    font-size: 16px;
    line-height: 2;
    color: var(--color-text-secondary);
    text-align: justify;
    word-break: keep-all;
}

.about-section .about-desc {
    max-width: none;
    margin: 0;
}

.about-desc p {
    font-size: 16px;
    line-height: 2;
    color: var(--color-text-secondary);
    text-align: justify;
}

.bases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 60px;
}

.base-card {
    background: #fff;
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all var(--transition);
}

.base-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.base-img {
    height: 280px;
    overflow: hidden;
}

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

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

.base-card h4 {
    padding: 20px;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-dark);
    text-align: center;
}

/* ========================================
   发展历程页 - 竖向时间轴
   ======================================== */
.v-timeline {
    max-width: 960px;
    margin: 0 auto;
    position: relative;
    padding: 40px 0 60px;
}

.v-timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-primary) 50%, var(--color-accent) 100%);
    transform: translateX(-50%);
    opacity: 0.3;
}

.v-timeline-item {
    position: relative;
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.v-timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.v-timeline-item[data-side="left"] {
    flex-direction: row;
    padding-right: calc(50% + 40px);
}

.v-timeline-item[data-side="right"] {
    flex-direction: row-reverse;
    padding-left: calc(50% + 40px);
}

.v-timeline-node {
    position: absolute;
    left: 50%;
    top: 20px;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.v-timeline-dot {
    width: 18px;
    height: 18px;
    background: var(--color-accent);
    border: 3px solid #fff;
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.2), 0 0 20px rgba(0, 212, 255, 0.3);
    transition: all 0.4s ease;
    position: relative;
}

.v-timeline-dot::after {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.v-timeline-item:hover .v-timeline-dot {
    background: #fff;
    box-shadow: 0 0 0 4px var(--color-accent), 0 0 30px rgba(0, 212, 255, 0.5);
    transform: scale(1.2);
}

.v-timeline-card {
    background: #fff;
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(10, 36, 99, 0.06);
    border: 1px solid rgba(10, 36, 99, 0.04);
    transition: all 0.4s ease;
    position: relative;
    width: 100%;
}

.v-timeline-card::before {
    content: '';
    position: absolute;
    top: 24px;
    width: 12px;
    height: 12px;
    background: #fff;
    border: 1px solid rgba(10, 36, 99, 0.06);
    transform: rotate(45deg);
}

.v-timeline-item[data-side="left"] .v-timeline-card::before {
    right: -7px;
    border-left: none;
    border-bottom: none;
}

.v-timeline-item[data-side="right"] .v-timeline-card::before {
    left: -7px;
    border-right: none;
    border-top: none;
}

.v-timeline-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(10, 36, 99, 0.12);
    border-color: rgba(0, 212, 255, 0.15);
}

.v-timeline-year-badge {
    display: inline-block;
    font-family: var(--font-number);
    font-size: 14px;
    font-weight: 700;
    color: var(--color-accent);
    background: rgba(0, 212, 255, 0.08);
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.v-timeline-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary) 0%, #1a3a7a 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--color-accent);
    transition: all 0.4s ease;
}

.v-timeline-icon svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
}

.v-timeline-card:hover .v-timeline-icon {
    transform: scale(1.05);
    box-shadow: 0 4px 16px rgba(10, 36, 99, 0.3);
}

.v-timeline-title {
    font-family: var(--font-title);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
    line-height: 1.4;
}

.v-timeline-text {
    font-size: 16px;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* 时间轴首尾装饰 */
.v-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: -10px;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    background: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.15);
    z-index: 4;
}

.v-timeline::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -10px;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    background: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.15);
    z-index: 4;
}

/* 响应式 */
@media (max-width: 768px) {
    .stats-showcase-vertical {
        flex-direction: column;
        gap: 20px;
    }

    .stat-showcase-card {
        padding: 30px 20px;
    }

    .stat-showcase-number {
        font-size: 48px;
    }

    .stat-showcase-suffix {
        font-size: 24px;
    }

    .stat-showcase-unit {
        font-size: 18px;
    }

    .v-timeline-line {
        left: 24px;
    }

    .v-timeline-item[data-side="left"],
    .v-timeline-item[data-side="right"] {
        padding-right: 0;
        padding-left: 60px;
        flex-direction: row;
    }

    .v-timeline-node {
        left: 24px;
    }

    .v-timeline-item[data-side="left"] .v-timeline-card::before,
    .v-timeline-item[data-side="right"] .v-timeline-card::before {
        left: -7px;
        right: auto;
        border-right: none;
        border-top: none;
        border-left: 1px solid rgba(10, 36, 99, 0.06);
        border-bottom: 1px solid rgba(10, 36, 99, 0.06);
    }

    .v-timeline::before,
    .v-timeline::after {
        left: 24px;
    }

    .honors-gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .honor-img-card img {
        height: 180px;
    }
}

/* ========================================
   横向发展历程时间轴
   ======================================== */
.h-timeline-wrap {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
    cursor: grab;
    user-select: none;
    background:
        linear-gradient(135deg, rgba(10, 36, 99, 0.75) 0%, rgba(26, 58, 122, 0.7) 40%, rgba(42, 90, 170, 0.65) 100%),
        url('../images/app-bg.jpg') center/cover no-repeat;
    border-radius: 12px;
    margin-top: 20px;
}

.h-timeline-wrap:active {
    cursor: grabbing;
}

.h-timeline-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.h-timeline-track {
    display: flex;
    position: relative;
    height: 100%;
    padding: 0 60px;
    z-index: 2;
    will-change: transform;
}

.h-timeline-item {
    flex: 0 0 320px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 20px;
    flex-shrink: 0;
}

.h-timeline-item:nth-child(odd) {
    justify-content: flex-start;
    padding-top: 60px;
}

.h-timeline-item:nth-child(even) {
    justify-content: flex-end;
    padding-bottom: 60px;
}

.h-timeline-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 32px;
    width: 320px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.h-timeline-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.h-timeline-year {
    font-family: var(--font-number);
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.h-timeline-text {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.h-timeline-dot {
    width: 24px;
    height: 24px;
    background: var(--color-accent);
    border: 3px solid #fff;
    border-radius: 50%;
    box-shadow: 0 0 0 3px var(--color-primary), 0 0 16px rgba(0, 212, 255, 0.5);
    z-index: 3;
    flex-shrink: 0;
    margin: 20px 0;
}

.h-timeline-hint {
    position: absolute;
    bottom: 16px;
    left: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
    z-index: 5;
    pointer-events: none;
}

.h-timeline-hint svg {
    animation: hintSlide 2s ease-in-out infinite;
}

@keyframes hintSlide {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(6px); }
}

/* ========================================
   荣誉资质/合作伙伴页
   ======================================== */
.honors-grid,
.partners-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.honor-card {
    background: #fff;
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all var(--transition);
    aspect-ratio: 3/4;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.partner-card {
    background: #fff;
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all var(--transition);
    aspect-ratio: 3/4;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.partner-card img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.honor-card:hover,
.partner-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.honor-placeholder,
.partner-placeholder {
    width: 100%;
    height: 100%;
    background: var(--color-bg-alt);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray);
    font-size: 14px;
}

/* ========================================
   荣誉资质 证书图片展示 - 画廊风格
   ======================================== */
#honors {
    background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
    position: relative;
}

#honors > .container {
    max-width: 1350px;
    padding: 0 24px;
}

#honors::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(10, 36, 99, 0.1) 50%, transparent 100%);
}

.honors-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 100%;
    margin: 0 auto;
}

.honor-img-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(10, 36, 99, 0.06), 0 1px 3px rgba(10, 36, 99, 0.03);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    cursor: pointer;
    border: 1px solid rgba(10, 36, 99, 0.06);
    position: relative;
}

.honor-img-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 2;
}

.honor-img-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(10, 36, 99, 0.14), 0 4px 12px rgba(10, 36, 99, 0.06);
}

.honor-img-card:hover::before {
    opacity: 1;
}

.honor-img-card img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    display: block;
    background: linear-gradient(180deg, #fafbfd 0%, #f4f6f9 100%);
    padding: 12px;
    box-sizing: border-box;
    transition: transform 0.5s ease;
}

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

.honor-img-label {
    padding: 16px 12px 20px;
    text-align: center;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-dark);
    background: #fff;
    position: relative;
}

.honor-img-label::before {
    content: '';
    display: block;
    width: 32px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 2px;
    margin: 0 auto 10px;
}

/* ========================================
   专利技术 - 叠放证书排列（横向一行）
   ======================================== */
.patent-stack-wrapper {
    display: flex;
    justify-content: center;
    padding: 40px 0 40px;
    overflow-x: auto;
    overflow-y: visible;
}

.patent-stack-row {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.patent-stack-card {
    position: relative;
    width: 280px;
    flex-shrink: 0;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(10, 36, 99, 0.1), 0 1px 4px rgba(10, 36, 99, 0.06);
    border: 1px solid rgba(10, 36, 99, 0.08);
    transition: all 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    cursor: pointer;
    z-index: calc(var(--i) + 1);
}

.patent-stack-card:not(:first-child) {
    margin-left: -180px;
}

.patent-stack-card:hover {
    transform: translateY(-20px) scale(1.06);
    z-index: 100;
    box-shadow: 0 20px 50px rgba(10, 36, 99, 0.2), 0 8px 20px rgba(10, 36, 99, 0.1);
}

.patent-stack-card img {
    width: 100%;
    height: 380px;
    object-fit: contain;
    display: block;
    background: linear-gradient(180deg, #fafbfd 0%, #f0f2f6 100%);
    padding: 16px;
    box-sizing: border-box;
    transition: transform 0.5s ease;
}

.patent-stack-card:hover img {
    transform: scale(1.03);
}

.patent-stack-label {
    padding: 14px 12px 18px;
    text-align: center;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-dark);
    background: #fff;
    position: relative;
}

.patent-stack-label::before {
    content: '';
    display: block;
    width: 32px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 2px;
    margin: 0 auto 10px;
}

@media (max-width: 1100px) {
    .patent-stack-card {
        width: 240px;
    }
    .patent-stack-card:not(:first-child) {
        margin-left: -150px;
    }
    .patent-stack-card:hover {
        transform: translateY(-16px) scale(1.05);
    }
    .patent-stack-card img {
        height: 320px;
    }
    .patent-stack-row {
        max-width: 1000px;
    }
}

@media (max-width: 900px) {
    .patent-stack-row {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
        max-width: 100%;
    }
    .patent-stack-card {
        width: 260px;
        margin-left: 0 !important;
        transform: none !important;
    }
    .patent-stack-card:hover {
        transform: translateY(-8px) scale(1.03) !important;
    }
    .patent-stack-card img {
        height: 340px;
    }
}

/* ========================================
   合作伙伴 - 双向无限滚动轮播
   ======================================== */
#partners {
    background: linear-gradient(180deg, #f0f4f8 0%, #e8edf3 50%, #f0f4f8 100%);
    position: relative;
    overflow: hidden;
}

#partners > .container {
    max-width: 1350px;
    padding: 0 24px;
}

#partners::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(10, 36, 99, 0.12) 50%, transparent 100%);
}

.partner-marquee-wrap {
    position: relative;
    overflow: hidden;
    padding: 20px 0;
}

.partner-marquee-wrap::before,
.partner-marquee-wrap::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 120px;
    z-index: 2;
    pointer-events: none;
}

.partner-marquee-wrap::before {
    left: 0;
    background: linear-gradient(90deg, #f0f4f8 0%, transparent 100%);
}

.partner-marquee-wrap::after {
    right: 0;
    background: linear-gradient(270deg, #f0f4f8 0%, transparent 100%);
}

.partner-marquee-track {
    display: flex;
    gap: 28px;
    width: max-content;
    animation: marquee-scroll 30s linear infinite;
}

.track-right {
    animation-direction: reverse;
    animation-duration: 35s;
    margin-top: 28px;
}

.partner-marquee-wrap:hover .partner-marquee-track {
    animation-play-state: paused;
}

@keyframes marquee-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.partner-marquee-item {
    flex-shrink: 0;
    width: 220px;
    height: 120px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 28px;
    box-shadow: 0 2px 16px rgba(10, 36, 99, 0.05), 0 1px 3px rgba(10, 36, 99, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.6);
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    cursor: pointer;
}

.partner-marquee-item:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 30px rgba(10, 36, 99, 0.12), 0 2px 8px rgba(10, 36, 99, 0.06);
    border-color: rgba(0, 212, 255, 0.25);
}

.partner-marquee-item img {
    max-width: 100%;
    max-height: 64px;
    object-fit: contain;
    transition: all 0.35s ease;
    filter: grayscale(20%);
}

.partner-marquee-item:hover img {
    filter: grayscale(0%);
    transform: scale(1.08);
}

@media (max-width: 768px) {
    .partner-marquee-item {
        width: 160px;
        height: 96px;
        padding: 14px 20px;
    }

    .partner-marquee-item img {
        max-height: 48px;
    }

    .partner-marquee-track {
        gap: 16px;
    }

    .track-right {
        margin-top: 16px;
    }

    .partner-marquee-wrap::before,
    .partner-marquee-wrap::after {
        width: 60px;
    }
}

/* ========================================
    产品中心页
    ======================================== */
.product-layout {
    display: flex;
    gap: 32px;
    align-items: flex-start;
}

.product-sidebar {
    flex: 0 0 260px;
    background: #fff;
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    position: sticky;
    top: 100px;
}

.product-sidebar-title {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    padding: 20px 24px;
    background: var(--color-primary);
    margin: 0;
}

.product-sidebar-nav {
    list-style: none;
    padding: 8px 0;
}

.product-sidebar-item {
    position: relative;
    padding: 14px 24px 14px 40px;
    font-size: 15px;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    border-left: 3px solid transparent;
}

.product-sidebar-item:hover {
    background: var(--color-bg-alt);
    color: var(--color-primary);
}

.product-sidebar-item.active {
    background: var(--color-bg-alt);
    color: var(--color-primary);
    font-weight: 600;
    border-left-color: var(--color-accent);
}

.sidebar-arrow {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    color: var(--color-gray-light);
    transition: color var(--transition);
}

.product-sidebar-item.active .sidebar-arrow,
.product-sidebar-item:hover .sidebar-arrow {
    color: var(--color-primary);
}

.product-main {
    flex: 1;
    min-width: 0;
}

.product-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-detail-card {
    background: #fff;
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all var(--transition);
}

.product-detail-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.product-detail-img {
    height: 220px;
    overflow: hidden;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-detail-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform var(--transition);
}

.product-detail-card:hover .product-detail-img img {
    transform: scale(1.05);
}

.product-detail-info {
    padding: 24px;
}

.product-detail-info h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 12px;
}

.product-detail-info ul {
    list-style: none;
}

.product-detail-info li {
    position: relative;
    padding-left: 16px;
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 6px;
}

.product-detail-info li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
}

.product-detail-info li a {
    color: var(--color-text-secondary);
    transition: color 0.3s ease;
    position: relative;
    z-index: 1;
}

.product-detail-info li a:hover {
    color: var(--color-primary);
}

/* ========================================
   技术创新页
   ======================================== */
.team-intro {
    max-width: 900px;
    margin: 0 auto 60px;
}

.team-intro p {
    font-size: 16px;
    line-height: 2;
    color: var(--color-text-secondary);
    text-align: justify;
    margin-bottom: 20px;
}

.team-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin: 60px 0;
}

.team-stat-card {
    text-align: center;
    padding: 40px 24px;
    background: #fff;
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-card);
    transition: all var(--transition);
}

.team-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.team-stat-number {
    font-family: var(--font-number);
    font-size: 48px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: 8px;
}

.team-stat-label {
    font-size: 15px;
    color: var(--color-gray);
}

.patents-grid,
.equipment-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.patent-card,
.equipment-card {
    background: #fff;
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all var(--transition);
}

.patent-card:hover,
.equipment-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.patent-img,
.equipment-img {
    height: 200px;
    overflow: hidden;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
}

.patent-img img,
.equipment-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.patent-info,
.equipment-info {
    padding: 16px;
    text-align: center;
}

.patent-info h4,
.equipment-info h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-dark);
}

/* ========================================
    新闻动态页
    ======================================== */
.news-list {
    max-width: 1300px;
    margin: 0 auto;
}

.news-item {
    display: flex;
    gap: 24px;
    padding: 24px;
    background: #fff;
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-card);
    margin-bottom: 24px;
    transition: all var(--transition);
}

.news-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.news-img {
    flex-shrink: 0;
    width: 200px;
    height: 140px;
    border-radius: 4px;
    overflow: hidden;
}

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

.news-content {
    flex: 1;
}

.news-date {
    font-size: 13px;
    color: var(--color-gray);
    margin-bottom: 8px;
}

.news-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 8px;
    transition: color var(--transition);
}

.news-item:hover .news-title {
    color: var(--color-primary);
}

.news-excerpt {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ========================================
    招贤纳士页 - 优化设计
    ======================================== */
.careers-list {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
    gap: 32px;
}

.career-item {
    position: relative;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(10, 36, 99, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(10, 36, 99, 0.06);
}

.career-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-blue));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.career-item:hover::before {
    transform: scaleX(1);
}

.career-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(10, 36, 99, 0.15);
    border-color: var(--color-accent);
}

.career-content {
    padding: 32px;
}

.career-date {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--color-accent-blue);
    font-weight: 600;
    margin-bottom: 16px;
    padding: 6px 14px;
    background: rgba(62, 92, 255, 0.08);
    border-radius: 20px;
    letter-spacing: 0.5px;
}

.career-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 16px;
    transition: color var(--transition);
    line-height: 1.4;
}

.career-item:hover .career-title {
    color: var(--color-primary);
}

.career-excerpt {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.career-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.career-tag {
    font-size: 12px;
    color: var(--color-gray-dark);
    padding: 4px 12px;
    background: var(--color-bg-alt);
    border-radius: 12px;
    border: 1px solid rgba(10, 36, 99, 0.08);
}

.career-apply-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition);
    margin-top: 16px;
}

.career-apply-btn:hover {
    background: var(--color-accent-blue);
    transform: translateX(4px);
}

.career-apply-btn svg {
    transition: transform var(--transition);
}

.career-apply-btn:hover svg {
    transform: translateX(4px);
}

/* ========================================
    招贤纳士页 - 重新设计
    ======================================== */
.page-content-careers {
    padding: 0;
    background: var(--color-bg);
}

.page-content-careers > .container {
    max-width: 1300px;
    padding: 0 40px;
}

.careers-intro {
    text-align: center;
    padding: 80px 0 60px;
    position: relative;
}

.careers-intro-deco {
    position: absolute;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.careers-en-title {
    display: inline-block;
    font-size: 13px;
    letter-spacing: 6px;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    position: relative;
}

.careers-en-title::before,
.careers-en-title::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40px;
    height: 1px;
    background: var(--color-accent);
    opacity: 0.4;
}

.careers-en-title::before { right: calc(100% + 16px); }
.careers-en-title::after { left: calc(100% + 16px); }

.careers-main-title {
    font-family: var(--font-title);
    font-size: 38px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 20px;
    line-height: 1.3;
}

.careers-desc {
    max-width: 680px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.careers-benefits {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 80px;
}

.benefit-item {
    text-align: center;
    padding: 36px 24px;
    background: var(--color-bg-alt);
    border-radius: 12px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.benefit-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-blue));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.benefit-item:hover::before {
    transform: scaleX(1);
}

.benefit-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(10, 36, 99, 0.1);
    background: #fff;
}

.benefit-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(62, 92, 255, 0.1));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: all 0.4s ease;
}

.benefit-item:hover .benefit-icon {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
    color: #fff;
    transform: scale(1.05);
}

.benefit-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.benefit-item p {
    font-size: 14px;
    color: var(--color-gray);
    line-height: 1.6;
}

.careers-section-header {
    text-align: center;
    margin-bottom: 48px;
}

.careers-section-en {
    display: block;
    font-size: 12px;
    letter-spacing: 4px;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.careers-section-title {
    font-family: var(--font-title);
    font-size: 32px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 16px;
}

.careers-section-line {
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-blue));
    margin: 0 auto;
    border-radius: 2px;
}

.careers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 80px;
}

.career-card {
    background: #fff;
    border-radius: 16px;
    padding: 36px 32px;
    box-shadow: 0 2px 16px rgba(10, 36, 99, 0.06);
    border: 1px solid rgba(10, 36, 99, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.career-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-blue));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.career-card:hover::before {
    opacity: 1;
}

.career-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(10, 36, 99, 0.12);
    border-color: rgba(0, 212, 255, 0.2);
}

.career-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.career-card-tag {
    display: inline-block;
    padding: 4px 14px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(62, 92, 255, 0.1));
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    letter-spacing: 1px;
}

.career-card-location {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--color-gray);
}

.career-card-location svg {
    stroke: var(--color-accent);
}

.career-card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
    line-height: 1.4;
}

.career-card-desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.career-card-req {
    margin-bottom: 24px;
    flex: 1;
}

.career-req-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.career-card-req ul {
    list-style: none;
}

.career-card-req li {
    position: relative;
    padding-left: 16px;
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 2;
}

.career-card-req li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 5px;
    height: 5px;
    background: var(--color-accent);
    border-radius: 50%;
}

.career-card-btn {
    display: block;
    text-align: center;
    padding: 12px 24px;
    background: var(--color-bg-alt);
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.career-card-btn:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-1px);
}

.careers-cta {
    text-align: center;
    padding: 60px 0 80px;
    border-top: 1px solid var(--color-border);
}

.careers-cta p {
    font-size: 16px;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.careers-cta .btn-primary {
    padding: 14px 48px;
}

.careers-contact-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.careers-contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    color: var(--color-text-secondary);
}

.careers-contact-item svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.careers-contact-item a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.careers-contact-item a:hover {
    text-decoration: underline;
}

/* ========================================
   产品应用服务页
   ======================================== */
.ps-overview {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.ps-overview-header {
    margin-bottom: 40px;
}

.ps-en-title {
    display: block;
    font-size: 13px;
    letter-spacing: 4px;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.ps-main-title {
    font-family: var(--font-title);
    font-size: 32px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 16px;
}

.ps-title-line {
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    margin: 0 auto;
    border-radius: 2px;
}

.ps-overview-text {
    text-align: left;
}

.ps-overview-text p {
    font-size: 16px;
    line-height: 2;
    color: var(--color-text-secondary);
    text-align: justify;
    margin-bottom: 16px;
}

.ps-services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    max-width: 1200px;
    margin: 0 auto;
}

.ps-service-card {
    background: #fff;
    border-radius: var(--card-radius);
    padding: 36px 28px 32px;
    box-shadow: var(--shadow-card);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.ps-service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transition: transform 0.4s ease;
    transform-origin: left;
}

.ps-service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
}

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

.ps-service-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(10, 36, 99, 0.06), rgba(0, 212, 255, 0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--color-primary);
    transition: all 0.4s ease;
}

.ps-service-card:hover .ps-service-icon {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
    color: #fff;
}

.ps-service-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 12px;
}

.ps-service-desc {
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

.ps-service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.ps-service-tags span {
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 3px;
    background: var(--color-bg-alt);
    color: var(--color-gray);
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.ps-service-card:hover .ps-service-tags span {
    background: rgba(10, 36, 99, 0.05);
    border-color: rgba(10, 36, 99, 0.15);
    color: var(--color-primary);
}

.ps-fields-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.ps-field-card {
    position: relative;
    border-radius: var(--card-radius);
    overflow: hidden;
    height: 280px;
    cursor: pointer;
}

.ps-field-img {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.ps-field-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.ps-field-card:hover .ps-field-img img {
    transform: scale(1.08);
}

.ps-field-overlay {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 24px;
    background: linear-gradient(to top, rgba(10, 36, 99, 0.92) 0%, rgba(10, 36, 99, 0.4) 60%, transparent 100%);
    color: #fff;
    transition: all 0.4s ease;
}

.ps-field-overlay h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    position: relative;
}

.ps-field-overlay h4::after {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-accent);
    margin-top: 8px;
    transition: width 0.4s ease;
}

.ps-field-card:hover .ps-field-overlay h4::after {
    width: 48px;
}

.ps-field-overlay p {
    font-size: 13px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.4s ease;
}

.ps-field-card:hover .ps-field-overlay p {
    opacity: 1;
    transform: translateY(0);
}

.ps-process {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    max-width: 1100px;
    margin: 0 auto;
    gap: 0;
}

.ps-process-step {
    flex: 1;
    text-align: center;
    padding: 0 12px;
}

.ps-process-num {
    font-family: var(--font-number);
    font-size: 42px;
    font-weight: 700;
    color: var(--color-primary);
    opacity: 0.15;
    line-height: 1;
    margin-bottom: 16px;
    transition: all 0.4s ease;
}

.ps-process-step:hover .ps-process-num {
    opacity: 1;
    color: var(--color-accent);
}

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

.ps-process-info p {
    font-size: 13px;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.ps-process-connector {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-border), var(--color-accent), var(--color-border));
    margin-top: 20px;
    flex-shrink: 0;
}

.ps-cta {
    max-width: 1000px;
    margin: 0 auto;
}

.ps-cta-inner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 12px;
    padding: 50px 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    overflow: hidden;
}

.ps-cta-inner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.ps-cta-text h3 {
    font-size: 22px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
}

.ps-cta-text p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
}

.ps-cta-btn {
    flex-shrink: 0;
    background: var(--color-accent);
    color: var(--color-primary-dark);
    font-weight: 600;
    padding: 14px 40px;
    border-radius: var(--btn-radius);
    transition: all 0.3s ease;
}

.ps-cta-btn:hover {
    background: #fff;
    transform: translateY(-2px);
}

@media (max-width: 1199px) {
    .ps-services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ps-fields-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ps-process {
        flex-wrap: wrap;
        gap: 24px;
    }

    .ps-process-connector {
        display: none;
    }

    .ps-process-step {
        flex: 0 0 calc(33.333% - 16px);
    }

    .ps-cta-inner {
        flex-direction: column;
        text-align: center;
        padding: 40px;
    }
}

@media (max-width: 767px) {
    .ps-services-grid {
        grid-template-columns: 1fr;
    }

    .ps-fields-grid {
        grid-template-columns: 1fr;
    }

    .ps-field-card {
        height: 220px;
    }

    .ps-process-step {
        flex: 0 0 calc(50% - 12px);
    }

    .ps-main-title {
        font-size: 26px;
    }

    .ps-cta-inner {
        padding: 32px 24px;
    }

    .ps-cta-text h3 {
        font-size: 18px;
    }
}

@media (max-width: 1199px) {
    .careers-benefits {
        grid-template-columns: repeat(2, 1fr);
    }

    .careers-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .careers-main-title {
        font-size: 32px;
    }
}

@media (max-width: 767px) {
    .page-content-careers > .container {
        padding: 0 20px;
    }

    .careers-intro {
        padding: 50px 0 40px;
    }

    .careers-main-title {
        font-size: 26px;
    }

    .careers-benefits {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-bottom: 50px;
    }

    .careers-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 50px;
    }

    .career-card {
        padding: 28px 24px;
    }

    .careers-cta {
        padding: 40px 0 50px;
    }

    .careers-contact-info {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
}

/* ========================================
    联系我们页
    ======================================== */
.page-content-contact {
    padding: 0;
    background: var(--color-bg);
}

.page-content-contact .container {
    max-width: 1300px;
    padding: 0 20px;
}

.contact-info-bar {
    background: linear-gradient(135deg, #0A2463 0%, #0D1B3E 100%);
    padding: 50px 0;
    position: relative;
    overflow: hidden;
}

.contact-info-bar::before {
    content: '';
    position: absolute;
    top: -60%;
    right: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.contact-info-bar::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -5%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(62, 92, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.contact-bar-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    position: relative;
    z-index: 2;
}

.contact-bar-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 36px;
}

.contact-bar-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    background: rgba(0, 212, 255, 0.12);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    transition: all 0.3s ease;
}

.contact-bar-item:hover .contact-bar-icon {
    background: rgba(0, 212, 255, 0.2);
    transform: translateY(-2px);
}

.contact-bar-icon svg {
    stroke: var(--color-accent);
}

.contact-bar-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-bar-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 1px;
    font-weight: 500;
}

.contact-bar-value {
    font-size: 16px;
    color: #fff;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.contact-bar-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
    flex-shrink: 0;
}

.contact-main {
    padding: 80px 0;
    background: #fff;
}

.contact-main-grid {
    display: flex;
    flex-direction: row;
    gap: 0;
    max-width: 1300px;
    margin: 0 auto;
    align-items: stretch;
}

.contact-main-grid > .contact-map-wrap {
    flex: 1;
    min-width: 0;
    border-right: 1px solid #e8ecf1;
}

.contact-main-grid > .contact-form-wrap {
    flex: 1;
    min-width: 0;
    padding-left: 40px;
}

.contact-map-wrap {
    position: relative;
    overflow: hidden;
    min-height: 480px;
}

.contact-map {
    width: 100%;
    height: 100%;
    background: #e8ecf1;
}

.contact-address-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(10, 36, 99, 0.92));
    padding: 40px 28px 24px;
    display: flex;
    align-items: flex-end;
    gap: 14px;
}

.contact-address-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--color-accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.contact-address-icon svg {
    stroke: #fff;
}

.contact-address-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.contact-address-title {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.contact-address-detail {
    font-size: 15px;
    color: #fff;
    font-weight: 500;
    line-height: 1.5;
}

.contact-form-wrap {
    padding: 48px 40px;
    display: flex;
    flex-direction: column;
}

.contact-form-header {
    margin-bottom: 36px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(10, 36, 99, 0.08);
}

.contact-form-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.contact-form-subtitle {
    font-size: 14px;
    color: var(--color-gray);
    line-height: 1.6;
}

.contact-form-modern {
    display: flex;
    flex-direction: column;
    gap: 0;
    flex: 1;
}

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

.form-field {
    display: flex;
    flex-direction: column;
}

.form-field-full {
    margin-bottom: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.form-field-full textarea {
    flex: 1;
    min-height: 80px;
}

.form-field label {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.form-field .required {
    color: #e74c3c;
    margin-left: 2px;
}

.form-field input,
.form-field textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--btn-radius);
    font-size: 15px;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
    background: #fafbfc;
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(10, 36, 99, 0.08);
    background: #fff;
}

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

.form-submit {
    width: 100%;
    padding: 14px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--btn-radius);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition);
}

.form-submit:hover {
    background: var(--color-accent-blue);
}

/* ========================================
   智能制造页 - 产品线展示
    ======================================== */
.sm-page-content {
    padding: 80px 0 100px;
    background: var(--color-bg);
}

.sm-product-line {
    position: relative;
    margin-bottom: 80px;
    padding: 0;
}

.sm-product-line:last-child {
    margin-bottom: 0;
}

.sm-product-header {
    display: flex;
    align-items: flex-end;
    gap: 24px;
    margin-bottom: 36px;
    position: relative;
}

.sm-product-number {
    font-family: var(--font-number);
    font-size: 72px;
    font-weight: 700;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 2px var(--color-primary);
    opacity: 0.2;
    flex-shrink: 0;
    position: relative;
}

.sm-product-title-wrap {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sm-product-title {
    font-family: var(--font-title);
    font-size: 32px;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.3;
    margin: 0;
    position: relative;
}

.sm-product-title::after {
    content: '';
    display: block;
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-blue));
    margin-top: 12px;
    border-radius: 2px;
}

.sm-product-en {
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--color-accent);
    font-weight: 600;
    text-transform: uppercase;
}

.sm-product-body {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 24px rgba(10, 36, 99, 0.06);
    border: 1px solid rgba(10, 36, 99, 0.06);
    position: relative;
    overflow: hidden;
}

.sm-product-body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-blue), var(--color-primary));
}

.sm-product-desc {
    margin-bottom: 32px;
}

.sm-product-desc p {
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-text-secondary);
    max-width: 800px;
}

.sm-product-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.sm-product-col--full {
    grid-column: 1 / -1;
}

.sm-col-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.sm-col-title svg {
    stroke: var(--color-accent);
    flex-shrink: 0;
}

.sm-tag-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sm-tag-list--grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
}

.sm-tag-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    padding: 10px 16px;
    background: var(--color-bg-alt);
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.sm-tag-list li:hover {
    background: #fff;
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 4px 12px rgba(10, 36, 99, 0.08);
    transform: translateX(4px);
}

.sm-tag-dot {
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    flex-shrink: 0;
}

@media (max-width: 767px) {
    .sm-product-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .sm-product-number {
        font-size: 48px;
    }

    .sm-product-title {
        font-size: 24px;
    }

    .sm-product-body {
        padding: 24px 20px;
    }

    .sm-product-cols {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .sm-tag-list--grid {
        grid-template-columns: 1fr;
    }

    .sm-product-line {
        margin-bottom: 48px;
    }
}

/* ========================================
    产品详情页
    ======================================== */
.product-detail-container {
    max-width: 1200px;
    margin: 0 auto;
}

.product-detail-loading {
    text-align: center;
    padding: 80px 0;
    color: var(--color-gray);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 20px;
}

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

.product-detail-error {
    text-align: center;
    padding: 80px 0;
    color: var(--color-gray);
    font-size: 16px;
}

.product-detail-error a {
    color: var(--color-primary);
    font-weight: 600;
}

.product-detail-error a:hover {
    color: var(--color-accent);
}

.pd-intro-section {
    margin-bottom: 60px;
    padding-bottom: 48px;
    border-bottom: 2px solid var(--color-border);
}

.pd-intro-text {
    width: 100%;
}

.pd-category-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-accent);
    background: rgba(0, 212, 255, 0.08);
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.pd-model-name {
    font-family: var(--font-title);
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 20px;
    line-height: 1.3;
    letter-spacing: 0.5px;
}

.pd-description {
    font-size: 15px;
    line-height: 2;
    color: var(--color-text-secondary);
    text-align: justify;
    padding: 20px;
    background: var(--color-bg-alt);
    border-radius: 8px;
    border-left: 4px solid var(--color-accent);
}

.pd-info-section {
    margin-bottom: 48px;
}

.pd-info-card {
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, #fff 100%);
    border-radius: 12px;
    padding: 32px 36px;
    border: 1px solid rgba(10, 36, 99, 0.06);
    box-shadow: 0 2px 12px rgba(10, 36, 99, 0.04);
}

.pd-section-title {
    font-family: var(--font-title);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-accent);
    display: inline-block;
}

.pd-info-row {
    display: flex;
    align-items: flex-start;
    margin-bottom: 12px;
    font-size: 15px;
    line-height: 1.8;
}

.pd-info-row:last-child {
    margin-bottom: 0;
}

.pd-info-label {
    flex-shrink: 0;
    font-weight: 600;
    color: var(--color-dark);
    min-width: 90px;
}

.pd-info-value {
    color: var(--color-text-secondary);
}

.pd-table-section {
    margin-bottom: 48px;
}

.pd-table-title {
    font-family: var(--font-title);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 20px;
    padding-left: 16px;
    border-left: 4px solid var(--color-accent);
}

.pd-table-wrap {
    overflow-x: auto;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(10, 36, 99, 0.06);
    border: 1px solid rgba(10, 36, 99, 0.06);
}

.pd-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    background: #fff;
    margin: 20px 0;
}

.pd-table thead th {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    font-weight: 600;
    padding: 16px 20px;
    text-align: center;
    font-size: 14px;
    letter-spacing: 0.5px;
    white-space: nowrap;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.pd-table thead tr:first-child th {
    font-size: 16px;
    padding: 18px 20px;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, #0a1628 100%);
}

.pd-table tbody td {
    padding: 14px 20px;
    text-align: center;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    white-space: nowrap;
    transition: background-color 0.2s ease;
}

.pd-table tbody tr:nth-child(even) {
    background: var(--color-bg-alt);
}

.pd-table tbody tr:last-child td {
    border-bottom: 2px solid var(--color-primary);
}

.pd-table tbody tr:hover {
    background: rgba(0, 212, 255, 0.05);
}

.pd-table-physics thead th,
.pd-table-performance thead th {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.pd-table-physics tbody td:first-child,
.pd-table-performance tbody td:first-child {
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(10, 36, 99, 0.03);
    text-align: left;
    padding-left: 24px;
    border-right: 2px solid var(--color-accent);
}

/* 产品详情内容区域样式 */
.pd-body-content {
    margin-top: 40px;
    padding: 40px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(10, 36, 99, 0.06);
    overflow-x: auto;
}

.pd-body-content h2 {
    font-family: var(--font-title);
    font-size: 26px;
    font-weight: 700;
    color: var(--color-primary);
    margin: 40px 0 24px 0;
    padding-bottom: 16px;
    border-bottom: 3px solid var(--color-accent);
    display: inline-block;
    letter-spacing: 0.5px;
}

.pd-body-content h2:first-child {
    margin-top: 0;
}

.pd-body-content h3 {
    font-family: var(--font-title);
    font-size: 20px;
    font-weight: 600;
    color: var(--color-dark);
    margin: 32px 0 20px 0;
    padding-left: 16px;
    border-left: 4px solid var(--color-accent);
}

.pd-body-content p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    text-indent: 0;
}

.pd-body-content .table-wrapper {
    overflow-x: auto;
    margin: 24px 0;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(10, 36, 99, 0.06);
}

.pd-body-content table {
    width: 100%;
    max-width: 100%;
    border-collapse: collapse;
    margin: 0;
    background: #fff;
    border: 1px solid var(--color-border);
    table-layout: auto;
}

.pd-body-content table thead th {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    font-weight: 600;
    padding: 12px 16px;
    text-align: center;
    font-size: 13px;
    letter-spacing: 0.5px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    white-space: nowrap;
}

.pd-body-content table thead tr:first-child th {
    font-size: 15px;
    padding: 18px 20px;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, #0a1628 100%);
}

.pd-body-content table tbody td {
    padding: 12px 16px;
    text-align: center;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    font-size: 14px;
    transition: background-color 0.2s ease;
    white-space: normal;
    word-break: break-word;
}

.pd-body-content table tbody tr:nth-child(even) {
    background: var(--color-bg-alt);
}

.pd-body-content table tbody tr:hover {
    background: rgba(0, 212, 255, 0.05);
}

.pd-body-content table tbody tr:last-child td {
    border-bottom: 2px solid var(--color-primary);
}

.pd-body-content ul {
    list-style: none;
    padding: 0;
    margin: 16px 0;
}

.pd-body-content ul li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.pd-body-content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
}

.pd-body-content strong {
    color: var(--color-dark);
    font-weight: 600;
}

.pd-body-content em {
    color: var(--color-primary);
    font-style: normal;
    font-weight: 500;
}

@media (max-width: 767px) {
    .pd-intro-section {
        flex-direction: column;
        gap: 24px;
    }

    .pd-intro-image {
        flex: none;
        width: 100%;
    }

    .pd-body-content {
        padding: 20px;
    }

    .pd-body-content h2 {
        font-size: 22px;
    }

    .pd-body-content h3 {
        font-size: 18px;
    }

    .pd-table {
        font-size: 12px;
    }

    .pd-table thead th,
    .pd-table tbody td {
        padding: 10px 12px;
    }

    .pd-body-content table {
        font-size: 12px;
    }

    .pd-body-content table thead th,
    .pd-body-content table tbody td {
        padding: 8px 10px;
        font-size: 12px;
    }
}

    .pd-intro-image img {
        height: 220px;
    }

    .pd-model-name {
        font-size: 26px;
    }

    .pd-info-card {
        padding: 24px 20px;
    }

    .pd-info-row {
        flex-direction: column;
        gap: 4px;
    }

    .pd-info-label {
        min-width: auto;
    }

    .pd-table {
        font-size: 13px;
    }

    .pd-table thead th,
    .pd-table tbody td {
        padding: 10px 8px;
    }
}

@media (max-width: 1199px) {
    .pd-intro-section {
        gap: 32px;
    }

    .pd-intro-image {
        flex: 0 0 300px;
    }

    .pd-intro-image img {
        height: 240px;
    }

    .pd-model-name {
        font-size: 28px;
    }
}

/* ========================================
    响应式 - 平板
     ======================================== */
@media (max-width: 1199px) {
    .page-title {
        font-size: 36px;
    }

    .bases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .honors-grid,
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .honors-gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .product-layout {
        flex-direction: column;
    }

    .product-sidebar {
        flex: none;
        width: 100%;
        position: static;
    }

    .product-sidebar-nav {
        display: flex;
        padding: 0;
    }

    .product-sidebar-item {
        flex: 1;
        text-align: center;
        padding: 12px 16px 12px 16px;
        border-left: none;
        border-bottom: 3px solid transparent;
    }

    .product-sidebar-item.active {
        border-left-color: transparent;
        border-bottom-color: var(--color-accent);
    }

    .sidebar-arrow {
        display: none;
    }

    .product-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .patents-grid,
    .equipment-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .contact-main-grid {
        gap: 0;
    }

    .contact-main-grid > .contact-map-wrap {
        border-right: 1px solid #e8ecf1;
    }

    .contact-main-grid > .contact-form-wrap {
        padding-left: 32px;
    }

    .contact-map-wrap {
        height: 360px;
    }

    .contact-map {
        height: 100%;
    }

    .contact-bar-inner {
        flex-direction: column;
        gap: 24px;
    }

    .contact-bar-item {
        padding: 0;
    }

    .contact-bar-divider {
        width: 60px;
        height: 1px;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid-v2 {
        gap: 40px;
    }

    .stat-number-v2 {
        font-size: 56px;
    }

    .stat-item-v2:not(:last-child)::after {
        right: -20px;
    }

    .about-intro-title {
        font-size: 32px;
    }

    .about-intro-layout {
        flex-direction: column;
        gap: 40px;
    }

    .about-intro-right {
        flex: none;
        width: 100%;
    }

    .stats-showcase-vertical {
        flex-direction: row;
        gap: 16px;
    }

    .stat-showcase-card {
        flex: 1;
        padding: 20px 16px;
    }

    .stat-showcase-number {
        font-size: 36px;
    }

    .sm-product-cols {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .sm-product-number {
        font-size: 56px;
    }

    .sm-product-title {
        font-size: 28px;
    }
}

/* ========================================
   响应式 - 手机
   ======================================== */
@media (max-width: 767px) {
    .page-header {
        height: 260px;
        padding-top: 80px;
    }

    .page-title {
        font-size: 28px;
    }

    .page-content {
        padding: 50px 0;
    }

    .bases-grid {
        grid-template-columns: 1fr;
    }

    .stats-showcase-vertical {
        flex-direction: column;
        gap: 16px;
    }

    .stat-showcase-card {
        padding: 20px 16px;
    }

    .stat-showcase-number {
        font-size: 36px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item,
    .timeline-item:nth-child(even) {
        flex-direction: row;
        padding-left: 50px;
    }

    .timeline-content {
        width: 100%;
    }

    .timeline-dot {
        left: 20px;
    }

    .honors-grid,
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .honors-gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .honor-img-card img {
        height: 160px;
    }

    .honor-img-card img {
        height: 160px;
    }

    .product-list {
        grid-template-columns: 1fr;
    }

    .team-stats {
        grid-template-columns: 1fr;
    }

    .patents-grid,
    .equipment-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .news-item,
    .career-item {
        flex-direction: column;
    }

    .news-img,
    .career-img {
        width: 100%;
    }

    .contact-form-wrap {
        padding: 28px 20px;
    }

    .contact-info-bar {
        padding: 36px 0;
    }

    .contact-main {
        padding: 48px 0;
    }

    .contact-main-grid {
        flex-direction: column;
    }

    .contact-main-grid > .contact-map-wrap {
        border-right: none;
        border-bottom: 1px solid #e8ecf1;
    }

    .contact-main-grid > .contact-form-wrap {
        padding-left: 0;
        padding-top: 32px;
    }
}

/* ========================================
   响应式 - 平板
   ======================================== */
@media (max-width: 1199px) {
    :root {
        --section-gap: 80px;
    }

    .hero-title {
        font-size: 40px;
    }

    .about-v3 {
        padding: 80px 0 0;
    }

    .about-v3-inner {
        gap: 40px;
        padding-bottom: 80px;
    }

    .about-v3-title {
        font-size: 32px;
    }

    .about-v3-img-wrap img {
        height: 360px;
    }

    .about-v3-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .about-v3-stat-num {
        font-size: 40px;
    }

    .products-header {
        flex-direction: column;
        gap: 30px;
        padding: 60px 0 40px;
    }

    .products-header-right {
        padding-top: 0;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .applications-header {
        flex-direction: column;
        gap: 30px;
        padding: 60px 0 40px;
    }

    .applications-header-right {
        padding-top: 0;
    }

    .applications-banner {
        height: 400px;
    }

    .applications-icons {
        gap: 30px;
        flex-wrap: wrap;
    }

    .tech-container {
        padding: 80px 0 0;
        min-height: 500px;
    }

    .tech-main-title {
        font-size: 36px;
    }

    .tech-sub-title {
        font-size: 22px;
    }

    .tech-top {
        flex-direction: column;
        gap: 20px;
    }

    .tech-right {
        padding-top: 0;
    }

    .tech-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-feature-card:nth-child(2) {
        border-right: none;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========================================
   响应式 - 手机
   ======================================== */
@media (max-width: 767px) {
    :root {
    --side-padding: 60px;
        --section-gap: 60px;
        --hero-height: 500px;
    }

    .navbar-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: #fff;
        justify-content: flex-start;
        padding: 20px;
        overflow-y: auto;
        transform: translateX(100%);
        transition: transform var(--transition);
    }

    .navbar-menu.open {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
    }

    .nav-item > a {
        padding: 14px 16px;
        border-bottom: 1px solid var(--color-border);
        width: 100%;
    }

    .dropdown {
        position: static;
        transform: none;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        padding: 0 0 0 20px;
        display: none;
    }

    .has-dropdown.open .dropdown {
        display: block;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .navbar-right {
        display: none;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-tag {
        font-size: 11px;
        padding: 6px 16px;
    }

    .hero-subtitle {
        font-size: 15px;
    }

    .section-title {
        font-size: 30px;
    }

    .about-v3 {
        padding: 60px 0 0;
    }

    .about-v3-inner {
        grid-template-columns: 1fr;
        gap: 40px;
        padding-bottom: 60px;
    }

    .about-v3-left {
        max-width: 100%;
    }

    .about-v3-title {
        font-size: 28px;
    }

    .about-v3-right {
        justify-content: center;
    }

    .about-v3-img-wrap {
        max-width: 100%;
    }

    .about-v3-img-wrap img {
        height: 260px;
    }

    .about-v3-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        margin-top: -30px;
        padding-bottom: 40px;
    }

    .about-v3-stat {
        padding: 24px 14px 20px;
    }

    .about-v3-stat-num {
        font-size: 32px;
    }

    .about-v3-stat-label {
        font-size: 12px;
    }

    .products-main-title {
        font-size: 32px;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .applications-main-title {
        font-size: 32px;
    }

    .applications-banner {
        height: 350px;
    }

    .applications-icons {
        gap: 24px;
    }

    .app-icon-item svg {
        width: 32px;
        height: 32px;
    }

    .app-icon-item span {
        font-size: 13px;
    }

    .tech-container {
        padding: 60px 0 0;
        min-height: auto;
    }

    .tech-main-title {
        font-size: 28px;
    }

    .tech-sub-title {
        font-size: 18px;
    }

    .tech-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-feature-card {
        padding: 28px 20px 36px;
    }

    .tech-feature-card h4 {
        font-size: 17px;
    }

    .tech-feature-card p {
        font-size: 11px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .h-timeline-wrap {
        height: 500px;
    }

    .h-timeline-item {
        flex: 0 0 280px;
    }

    .h-timeline-card {
        width: 260px;
        padding: 24px;
    }

    .h-timeline-year {
        font-size: 26px;
    }

    .h-timeline-text {
        font-size: 13px;
    }

    .about-intro-title {
        font-size: 28px;
    }

    .about-intro-text-v2 p {
        font-size: 14px;
        line-height: 1.8;
    }

    .stats-grid-v2 {
        flex-direction: column;
        gap: 30px;
    }

    .stat-item-v2:not(:last-child)::after {
        display: none;
    }

    .stat-number-v2 {
        font-size: 48px;
    }

    .stat-suffix-v2 {
        font-size: 20px;
    }

    .stat-unit-v2 {
        font-size: 16px;
    }

    .stat-label-v2 {
        font-size: 14px;
    }

    .about-desc-v2 p {
        font-size: 14px;
        line-height: 1.8;
        word-break: keep-all;
    }
}