/* ============================================
   唛芮科技企业官网 - 共享样式表
   蓝色商务企业风 | 纯静态 HTML+CSS
   ============================================ */

/* ---------- CSS 变量 ---------- */
:root {
    /* 主色调 - 蓝色商务 */
    --color-primary: #1a5f9e;
    --color-primary-dark: #0d3b66;
    --color-primary-light: #2980b9;
    --color-accent: #3498db;
    --color-accent-hover: #2c7bb4;

    /* 中性色 */
    --color-bg: #f4f7fa;
    --color-bg-alt: #eef2f7;
    --color-white: #ffffff;
    --color-text: #2c3e50;
    --color-text-secondary: #5a6c7d;
    --color-text-light: #8a9aaa;
    --color-border: #dce3eb;

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(13, 59, 102, 0.06);
    --shadow-md: 0 4px 20px rgba(13, 59, 102, 0.1);
    --shadow-lg: 0 8px 40px rgba(13, 59, 102, 0.12);

    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;

    /* 过渡 - 明确指定属性，避免 transition: all */
    --transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease, opacity 0.3s ease;

    /* 布局 */
    --nav-height: 64px;
    --container-max: 1440px;
}

/* ---------- 基础重置 ---------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 19px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Microsoft YaHei",
        "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

/* 锚点偏移，避免固定导航栏遮挡 */
section[id] {
    scroll-margin-top: 110px;
}

/* 跳转链接 - 无障碍 */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-primary-dark);
    color: #fff;
    padding: 10px 20px;
    z-index: 2000;
    border-radius: 0 0 var(--radius-sm) 0;
    font-size: 0.9rem;
}

.skip-link:focus {
    top: 0;
}

/* 焦点可见样式 */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* 尊重用户的减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

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

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

ul {
    list-style: none;
}

/* ---------- 通用容器 ---------- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 40px;
}

.section {
    padding: 70px 0;
}

.section-alt {
    background-color: var(--color-bg);
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 12px;
    letter-spacing: 1px;
    text-wrap: balance;
}

.section-title .subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
}

.section-title .divider {
    width: 50px;
    height: 3px;
    background: var(--color-accent);
    margin: 16px auto 0;
    border-radius: 2px;
}

/* ---------- 顶部导航栏 ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.top-bar {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.8rem;
    height: 36px;
    display: flex;
    align-items: center;
}

.top-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.top-bar-right .top-bar-link {
    color: rgba(255, 255, 255, 0.75);
    transition: var(--transition);
}

.top-bar-right .top-bar-link:hover {
    color: #fff;
}

.top-bar-divider {
    color: rgba(255, 255, 255, 0.3);
}

.navbar {
    position: relative;
    height: var(--nav-height);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar-inner {
    max-width: var(--container-max);
    height: 100%;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    letter-spacing: 1px;
    white-space: nowrap;
}

.navbar-brand .logo-svg {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
}

.navbar-brand .brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.navbar-brand .brand-text .brand-name-cn {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.navbar-brand .brand-text .brand-name-en {
    font-size: 0.5rem;
    font-weight: 400;
    color: var(--color-text-light);
    letter-spacing: 2px;
    text-transform: uppercase;
}

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

.navbar-nav a {
    padding: 8px 20px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.navbar-nav a:hover,
.navbar-nav a.active {
    color: var(--color-primary);
    background-color: rgba(26, 95, 158, 0.08);
}

.navbar-nav a.nav-login {
    color: #fff;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: 20px;
    padding: 8px 22px;
    font-weight: 600;
}

.navbar-nav a.nav-login:hover {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-accent-hover));
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26, 95, 158, 0.3);
}

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

.navbar-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-primary-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ---------- 首屏 Banner ---------- */
.hero {
    position: relative;
    min-height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 40px 80px;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-accent) 100%);
    color: var(--color-white);
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(52, 152, 219, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 30%, rgba(41, 128, 185, 0.12) 0%, transparent 50%);
}

.hero::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--color-white);
    clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 60%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 960px;
}

.hero-content h1 {
    font-size: 3.2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: 2px;
    line-height: 1.3;
    text-wrap: balance;
}

.hero-content h1 .highlight {
    color: #5dade2;
}

.hero-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 36px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
    box-shadow: 0 4px 14px rgba(52, 152, 219, 0.35);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.45);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

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

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

/* ---------- 关于我们 ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: start;
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--color-primary-dark);
    margin-bottom: 18px;
    font-weight: 700;
}

.about-text p {
    font-size: 1.08rem;
    line-height: 1.9;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 28px;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.about-feature .icon-box {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 1.2rem;
}

.about-feature .text h4 {
    font-size: 0.95rem;
    color: var(--color-primary-dark);
    margin-bottom: 4px;
    font-weight: 600;
}

.about-feature .text p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin: 0;
}

.about-visual {
    position: relative;
}

.about-visual .visual-card {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
    border-radius: var(--radius-lg);
    padding: 40px;
    color: #fff;
    box-shadow: var(--shadow-lg);
}

.about-visual .visual-card h4 {
    font-size: 1.3rem;
    margin-bottom: 24px;
    font-weight: 600;
}

.about-visual .stat-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-visual .stat-item {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.about-visual .stat-item .num {
    font-size: 2rem;
    font-weight: 700;
    color: #5dade2;
}

.about-visual .stat-item .label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

/* ---------- 产品中心 ---------- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.product-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
    border-color: var(--color-accent);
}

.product-card .card-image {
    height: 200px;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    overflow: hidden;
    position: relative;
}

.product-card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.product-card .card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, rgba(13, 59, 102, 0.5), transparent);
    pointer-events: none;
}

.product-card .card-image .icon {
    position: relative;
    z-index: 2;
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.9);
}

.product-card .card-body {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card .card-tag {
    display: inline-block;
    font-size: 0.8rem;
    color: var(--color-accent);
    background: rgba(52, 152, 219, 0.1);
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 12px;
    align-self: flex-start;
    font-weight: 500;
}

.product-card .card-body h3 {
    font-size: 1.3rem;
    color: var(--color-text);
    margin-bottom: 12px;
    font-weight: 600;
    line-height: 1.4;
}

.product-card .card-body p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    flex: 1;
}

.product-card .card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-accent);
    align-self: flex-start;
}

.product-card .card-link:hover {
    color: var(--color-accent-hover);
    gap: 10px;
}

/* ---------- 服务优势 ---------- */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.advantage-card {
    text-align: center;
    padding: 40px 24px;
    border-radius: var(--radius-md);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.advantage-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.advantage-card .icon-circle {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(26, 95, 158, 0.1), rgba(52, 152, 219, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--color-primary);
    transition: var(--transition);
}

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

.advantage-card h3 {
    font-size: 1.15rem;
    color: var(--color-primary-dark);
    margin-bottom: 10px;
    font-weight: 600;
}

.advantage-card p {
    font-size: 0.92rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ---------- 联系我们 ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.business-phones {
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}

.business-phones h3 {
    font-size: 1.3rem;
    color: var(--color-primary-dark);
    margin-bottom: 8px;
    font-weight: 700;
    text-align: center;
}

.business-phones .business-phones-desc {
    text-align: center;
    font-size: 0.92rem;
    color: var(--color-text-light);
    margin-bottom: 24px;
}

.business-phone-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
}

.business-phone-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 10px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    text-decoration: none;
}

.business-phone-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 95, 158, 0.15);
}

.business-phone-item .bp-label {
    font-size: 0.78rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.business-phone-item .bp-number {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.5px;
}

.business-phone-item:hover .bp-number {
    color: var(--color-primary-dark);
}

.contact-info h3 {
    font-size: 1.6rem;
    color: var(--color-primary-dark);
    margin-bottom: 20px;
    font-weight: 700;
}

.contact-info p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: 28px;
    line-height: 1.9;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-item .icon-box {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 1.3rem;
}

.contact-item .text h4 {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-weight: 500;
    margin-bottom: 4px;
}

.contact-item .text p {
    font-size: 1.05rem;
    color: var(--color-primary-dark);
    font-weight: 600;
    margin: 0;
}

.contact-visual {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
    border-radius: var(--radius-lg);
    padding: 48px;
    color: #fff;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.contact-visual h4 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    font-weight: 600;
}

.contact-visual p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 28px;
    line-height: 1.8;
}

.contact-visual .phone-number {
    font-size: 2rem;
    font-weight: 700;
    color: #5dade2;
    letter-spacing: 2px;
}

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

.footer-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .brand-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-brand .brand-name .logo-svg {
    width: 42px;
    height: 42px;
    flex-shrink: 0;
}

.footer-brand .brand-name .brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.footer-brand .brand-name .brand-text .brand-name-cn {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-brand .brand-name .brand-text .brand-name-en {
    font-size: 0.6rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.footer-brand p {
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: none;
}

.footer-col h4 {
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 12px;
    font-weight: 600;
}

.footer-col ul li {
    margin-bottom: 6px;
}

.footer-col ul li a {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: #5dade2;
}

.footer-bottom {
    padding: 12px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.8;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
    transition: var(--transition);
}

.footer-bottom a:hover {
    color: #5dade2;
}

.footer-bottom .icp-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ---------- 产品详情页 ---------- */
.product-detail-hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #0d3b66 0%, #1a5f9e 100%);
    color: #fff;
    text-align: center;
}

.product-detail-hero .breadcrumb {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 20px;
}

.product-detail-hero .breadcrumb a {
    color: rgba(255, 255, 255, 0.6);
}

.product-detail-hero .breadcrumb a:hover {
    color: #fff;
}

.product-detail-hero h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-wrap: balance;
}

.product-detail-hero p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

.product-detail-body {
    padding: 60px 0;
}

.detail-section {
    margin-bottom: 50px;
}

.detail-section h2 {
    font-size: 1.5rem;
    color: var(--color-primary-dark);
    margin-bottom: 24px;
    font-weight: 700;
    padding-left: 16px;
    border-left: 4px solid var(--color-accent);
}

.detail-section p {
    color: var(--color-text-secondary);
    line-height: 1.9;
    margin-bottom: 16px;
}

.detail-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.detail-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.detail-feature-item:hover {
    background: rgba(52, 152, 219, 0.06);
}

.detail-feature-item .icon-box {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 1.1rem;
}

.detail-feature-item h4 {
    font-size: 0.95rem;
    color: var(--color-primary-dark);
    margin-bottom: 6px;
    font-weight: 600;
}

.detail-feature-item p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.6;
}

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

.scenario-card {
    padding: 28px 20px;
    text-align: center;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.scenario-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.scenario-card .icon {
    font-size: 2rem;
    margin-bottom: 14px;
}

.scenario-card h4 {
    font-size: 1rem;
    color: var(--color-primary-dark);
    margin-bottom: 8px;
    font-weight: 600;
}

.scenario-card p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.6;
}

.detail-back {
    text-align: center;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
}

/* ---------- 产品列表页导航（产品中心） ---------- */
.product-nav {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.product-nav a {
    padding: 8px 24px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg);
    border-radius: 20px;
    transition: var(--transition);
}

.product-nav a:hover,
.product-nav a.active {
    color: #fff;
    background: var(--color-accent);
}

/* ---------- 发布信息按钮 ---------- */
.publish-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    font-size: 1.05rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #5b6eed, #3b82f6);
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(91, 110, 237, 0.35);
    letter-spacing: 1px;
}

.publish-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(91, 110, 237, 0.45);
}

.publish-btn .plus {
    font-size: 1.3rem;
    line-height: 1;
}

/* ---------- 信息分类与列表 ---------- */
.info-category-block {
    margin-bottom: 48px;
}

.info-section-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.info-section-top .section-title {
    margin-bottom: 0;
}

.publish-info-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(26, 95, 158, 0.3);
    white-space: nowrap;
}

.publish-info-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(26, 95, 158, 0.4);
}

.info-more-link {
    display: flex;
    justify-content: flex-end;
    margin-top: 16px;
}

.info-more-link a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.82rem;
    font-weight: 400;
    color: var(--color-text-light);
    transition: var(--transition);
}

.info-more-link a:hover {
    color: var(--color-primary);
}

.info-category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-border);
}

.info-category-header .cat-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.info-category-header h3 {
    font-size: 1.2rem;
    color: var(--color-primary-dark);
    font-weight: 700;
}

.info-category-header .cat-count {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-left: auto;
}

.info-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 20px 18px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
}

.info-item:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.info-item:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.info-item .item-tag {
    display: inline-block;
    font-size: 0.78rem;
    color: var(--color-accent);
    background: rgba(52, 152, 219, 0.1);
    padding: 3px 12px;
    border-radius: 12px;
    font-weight: 600;
    align-self: flex-start;
}

.info-item .item-body {
    flex: 1;
    min-width: 0;
}

.info-item .item-body h4 {
    font-size: 1.15rem;
    color: var(--color-text);
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 8px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.info-item:hover .item-body h4 {
    color: var(--color-accent);
}

.info-item .item-body .item-meta {
    font-size: 0.88rem;
    color: var(--color-text-light);
    overflow-wrap: break-word;
    word-break: break-word;
    line-height: 1.6;
}

.info-item .item-body .item-meta .item-phone {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.info-item .item-body .item-meta .item-phone:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.info-item .item-publisher-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 14px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.info-item .item-publisher-box .publisher-name {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.info-item .item-publisher-box .publisher-phone {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}

.info-item .item-publisher-box .publisher-phone:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.section-title .publish-info-btn {
    margin-top: 8px;
}

/* ---------- 信息详情页 ---------- */
.detail-hero {
    padding: 120px 0 40px;
    background: linear-gradient(135deg, #0d3b66 0%, #1a5f9e 100%);
    color: #fff;
}

.detail-hero .breadcrumb {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 20px;
}

.detail-hero .breadcrumb a {
    color: rgba(255, 255, 255, 0.6);
}

.detail-hero .breadcrumb a:hover {
    color: #fff;
}

.detail-hero .detail-tag {
    display: inline-block;
    font-size: 0.78rem;
    color: #5dade2;
    background: rgba(93, 173, 226, 0.15);
    padding: 3px 14px;
    border-radius: 12px;
    margin-bottom: 14px;
}

.detail-hero h1 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
    text-wrap: balance;
}

.detail-hero .detail-meta {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

.detail-body {
    padding: 40px 0 60px;
}

.detail-content {
    max-width: 800px;
    margin: 0 auto;
}

.detail-content h2 {
    font-size: 1.25rem;
    color: var(--color-primary-dark);
    margin: 32px 0 16px;
    font-weight: 700;
    padding-left: 14px;
    border-left: 3px solid var(--color-accent);
}

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

.detail-content p {
    color: var(--color-text-secondary);
    line-height: 1.9;
    margin-bottom: 16px;
}

.detail-content ul {
    margin: 0 0 20px 20px;
}

.detail-content ul li {
    color: var(--color-text-secondary);
    line-height: 2;
    list-style: disc;
}

.detail-contact-box {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 28px;
    margin: 32px 0;
    text-align: center;
}

.detail-contact-box h3 {
    font-size: 1.1rem;
    color: var(--color-primary-dark);
    margin-bottom: 16px;
    font-weight: 700;
}

.detail-contact-box .contact-phone {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 2px;
}

.detail-contact-box .contact-note {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: 8px;
}

/* ---------- 登录/注册页面 ---------- */
.auth-page {
    padding: 120px 0 60px;
    background: var(--color-bg);
    min-height: calc(100vh - 100px);
    display: flex;
    align-items: center;
}

.auth-card {
    max-width: 420px;
    margin: 0 auto;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.auth-card h2 {
    font-size: 1.5rem;
    color: var(--color-primary-dark);
    text-align: center;
    margin-bottom: 8px;
    font-weight: 700;
}

.auth-card .auth-subtitle {
    text-align: center;
    font-size: 0.88rem;
    color: var(--color-text-light);
    margin-bottom: 32px;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-family: inherit;
    background: var(--color-white);
    color: var(--color-text);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-input::placeholder {
    color: var(--color-text-light);
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-row .form-input {
    flex: 1;
}

.form-row .btn-code {
    flex-shrink: 0;
    padding: 12px 20px;
    font-size: 0.85rem;
    color: var(--color-accent);
    background: rgba(52, 152, 219, 0.08);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.form-row .btn-code:hover {
    background: rgba(52, 152, 219, 0.15);
}

.btn-block {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.auth-footer a {
    color: var(--color-accent);
    font-weight: 500;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 24px 0;
    color: var(--color-text-light);
    font-size: 0.8rem;
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.82rem;
    color: var(--color-text-secondary);
}

.form-check input {
    margin-top: 3px;
    accent-color: var(--color-accent);
}

.form-check a {
    color: var(--color-accent);
}

/* ---------- 资质证书 ---------- */
.qualification-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.qualification-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}

.qualification-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.qualification-card .qual-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(26, 95, 158, 0.1), rgba(52, 152, 219, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition);
}

.qualification-card:hover .qual-icon {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
}

.qualification-card h3 {
    font-size: 1rem;
    color: var(--color-primary-dark);
    margin-bottom: 8px;
    font-weight: 600;
}

.qualification-card .qual-number {
    font-size: 0.85rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 8px;
}

.qualification-card p {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ---------- 企业基本信息表 ---------- */
.company-info-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.company-info-table td {
    padding: 12px 16px;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--color-border);
}

.company-info-table td:first-child {
    color: var(--color-text-light);
    width: 30%;
    font-weight: 500;
}

.company-info-table td:last-child {
    color: var(--color-text);
    font-weight: 500;
}

/* ---------- AI付相关样式 ---------- */
.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: 1px;
    backdrop-filter: blur(4px);
}

.ai-badge .ai-dot {
    width: 8px;
    height: 8px;
    background: #5dade2;
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(93, 173, 226, 0.8);
    animation: ai-pulse 2s ease-in-out infinite;
}

@keyframes ai-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.3); }
}

.ai-qualification-banner {
    background: linear-gradient(135deg, rgba(26, 95, 158, 0.06), rgba(52, 152, 219, 0.06));
    border: 1px solid rgba(52, 152, 219, 0.2);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    margin: 28px auto 0;
    max-width: 100%;
    text-align: center;
}

.ai-qualification-banner .ai-rank {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 10px;
}

.ai-qualification-banner .ai-rank .rank-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    border-radius: 50%;
    font-size: 1rem;
    font-weight: 700;
}

.ai-qualification-banner p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.ai-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    background: linear-gradient(135deg, rgba(26, 95, 158, 0.1), rgba(52, 152, 219, 0.1));
    border: 1px solid rgba(52, 152, 219, 0.25);
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.ai-feature-section {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    border-radius: var(--radius-lg);
    padding: 40px;
    margin: 32px 0;
    color: #fff;
}

.ai-feature-section h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-feature-section h3::before {
    content: "AI";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    font-size: 0.75rem;
    letter-spacing: 1px;
}

.ai-feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.ai-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.ai-feature-item .ai-icon {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.ai-feature-item .ai-text h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: #fff;
}

.ai-feature-item .ai-text p {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin: 0;
}

.qualification-card.ai-qual-card {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.04), rgba(26, 95, 158, 0.04));
}

.qualification-card.ai-qual-card .qual-icon {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
}

/* ---------- Hero动态增强 ---------- */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 15% 25%, rgba(52, 152, 219, 0.18) 0%, transparent 45%),
        radial-gradient(ellipse at 85% 60%, rgba(26, 95, 158, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 90%, rgba(93, 173, 226, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: var(--color-white);
    clip-path: polygon(0 100%, 100% 100%, 100% 0, 75% 50%, 50% 20%, 25% 50%, 0 0);
    pointer-events: none;
    z-index: 3;
}

@keyframes hero-float {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.5; }
    50% { transform: translateY(-30px) scale(1.1); opacity: 0.8; }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: 3.6rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
    animation: hero-fade-up 0.8s ease-out;
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 760px;
    margin: 0 auto 28px;
    animation: hero-fade-up 0.8s ease-out 0.2s backwards;
}

.hero-content .hero-buttons {
    animation: hero-fade-up 0.8s ease-out 0.4s backwards;
}

@keyframes hero-fade-up {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-highlight {
    background: linear-gradient(90deg, #5dade2, #85c1e9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---------- 年度使命横幅 ---------- */
.mission-banner {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 36px;
    animation: hero-fade-up 0.8s ease-out 0.6s backwards;
}

.mission-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 28px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    backdrop-filter: blur(6px);
}

.mission-item .mission-year {
    font-size: 1.7rem;
    font-weight: 800;
    color: #5dade2;
    line-height: 1;
}

.mission-item .mission-text {
    font-size: 1.02rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
}

/* ---------- 关于我们详情按钮 ---------- */
.about-detail-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 20px;
    padding: 10px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(26, 95, 158, 0.08);
    border: 1px solid rgba(26, 95, 158, 0.2);
    border-radius: 50px;
    transition: var(--transition);
}

.about-detail-btn:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(26, 95, 158, 0.25);
}

/* ---------- 价值观页面样式 ---------- */
.values-hero {
    padding: 120px 0 50px;
    background: linear-gradient(135deg, #0d3b66 0%, #1a5f9e 50%, #2980b9 100%);
    color: #fff;
    text-align: center;
}

.values-hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 14px;
}

.values-hero p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.8);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.value-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 28px 30px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.value-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.value-card .value-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    border-radius: 50%;
    font-size: 1.1rem;
    font-weight: 700;
    flex-shrink: 0;
}

.value-card .value-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 8px;
}

.value-card .value-content p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.mission-section {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    border-radius: var(--radius-lg);
    padding: 40px;
    color: #fff;
    text-align: center;
    margin-bottom: 40px;
}

.mission-section h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.mission-section .mission-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.mission-section .mission-card {
    padding: 24px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
}

.mission-section .mission-card .year {
    font-size: 2rem;
    font-weight: 800;
    color: #5dade2;
    margin-bottom: 8px;
}

.mission-section .mission-card .text {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.95);
}

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

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

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

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

    .detail-features {
        grid-template-columns: 1fr;
    }

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

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

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

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

    .top-bar .top-bar-welcome {
        display: none;
    }
}

@media (max-width: 768px) {
    .container,
    .navbar-inner {
        padding: 0 20px;
    }

    .hero {
        padding: 100px 20px 60px;
    }

    .navbar-brand {
        font-size: 0.9rem;
        letter-spacing: 0;
    }

    .navbar-brand .logo-svg {
        width: 32px;
        height: 32px;
    }

    .navbar-brand .brand-text .brand-name-cn {
        font-size: 0.9rem;
    }

    .navbar-brand .brand-text .brand-name-en {
        font-size: 0.4rem;
    }

    .navbar-nav {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        flex-direction: column;
        background: #fff;
        padding: 16px;
        box-shadow: var(--shadow-md);
        gap: 4px;
    }

    .navbar-nav.open {
        display: flex;
    }

    .navbar-nav a {
        width: 100%;
        padding: 12px 16px;
    }

    .navbar-toggle {
        display: flex;
    }

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

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .section {
        padding: 60px 0;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

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

    .about-features {
        grid-template-columns: 1fr;
    }

    .detail-scenarios {
        grid-template-columns: 1fr;
    }

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

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

    .product-detail-hero h1 {
        font-size: 1.6rem;
    }
}

/* ============================================
   滚动揭示动画
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================
   Hero 多边形动态装饰
   ============================================ */
.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

/* 多边形 SVG */
.shape-poly {
    position: absolute;
    pointer-events: none;
}

.shape-1 {
    width: 280px;
    height: 280px;
    top: 10%;
    left: 5%;
    animation: poly-rotate 30s linear infinite;
}

.shape-2 {
    width: 200px;
    height: 200px;
    bottom: 15%;
    right: 8%;
    animation: poly-rotate-reverse 25s linear infinite;
}

.shape-3 {
    width: 160px;
    height: 160px;
    top: 50%;
    right: 25%;
    animation: poly-rotate 20s linear infinite, poly-pulse 6s ease-in-out infinite;
}

@keyframes poly-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes poly-rotate-reverse {
    from { transform: rotate(360deg); }
    to { transform: rotate(0deg); }
}

@keyframes poly-pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

/* 渐变光球 */
.shape-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    pointer-events: none;
}

.orb-1 {
    width: 300px;
    height: 300px;
    top: -5%;
    left: -3%;
    background: radial-gradient(circle, rgba(52, 152, 219, 0.2) 0%, transparent 70%);
    animation: orb-float-1 14s ease-in-out infinite;
}

.orb-2 {
    width: 250px;
    height: 250px;
    bottom: -8%;
    right: 10%;
    background: radial-gradient(circle, rgba(93, 173, 226, 0.15) 0%, transparent 70%);
    animation: orb-float-2 18s ease-in-out infinite;
}

.orb-3 {
    width: 180px;
    height: 180px;
    top: 40%;
    right: 5%;
    background: radial-gradient(circle, rgba(26, 95, 158, 0.12) 0%, transparent 70%);
    animation: orb-float-1 16s ease-in-out infinite reverse;
}

@keyframes orb-float-1 {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.5; }
    33% { transform: translate(40px, -30px) scale(1.2); opacity: 0.7; }
    66% { transform: translate(-25px, 20px) scale(0.85); opacity: 0.4; }
}

@keyframes orb-float-2 {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.4; }
    50% { transform: translate(-50px, 35px) scale(1.3); opacity: 0.6; }
}

/* 网格叠加层 */
.hero-grid-overlay {
    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: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

/* ============================================
   信息发布卡片增强
   ============================================ */
.info-item {
    position: relative;
    overflow: hidden;
}

.info-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--color-accent), var(--color-primary));
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.info-item:hover::before {
    transform: scaleY(1);
}

.info-item .item-publisher-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 14px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.info-item:hover .item-publisher-box {
    background: rgba(52, 152, 219, 0.06);
    border-color: rgba(52, 152, 219, 0.2);
}

.info-item .item-publisher-box .publisher-name {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.info-item .item-publisher-box .publisher-name::before {
    content: '👤';
    font-size: 0.9rem;
}

.info-item .item-publisher-box .publisher-phone {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 4px;
}

.info-item .item-publisher-box .publisher-phone::before {
    content: '📞';
    font-size: 0.85rem;
}

/* ============================================
   关于我们详情按钮增强
   ============================================ */
.about-detail-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 28px;
    padding: 12px 32px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(26, 95, 158, 0.08);
    border: 1px solid rgba(26, 95, 158, 0.2);
    border-radius: 50px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.about-detail-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.about-detail-btn:hover::before {
    left: 100%;
}

.about-detail-btn:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 95, 158, 0.3);
}

.about-detail-btn .arrow {
    transition: transform 0.3s ease;
}

.about-detail-btn:hover .arrow {
    transform: translateX(4px);
}

/* ============================================
   服务商标识徽章
   ============================================ */
.provider-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 24px;
    backdrop-filter: blur(6px);
    letter-spacing: 1px;
}

.provider-badge .badge-dot {
    width: 8px;
    height: 8px;
    background: #5dade2;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(93, 173, 226, 0.8);
    animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.4); }
}

/* ============================================
   数据统计条
   ============================================ */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
    margin-top: 40px;
    padding: 24px 40px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(8px);
    animation: hero-fade-up 0.8s ease-out 0.5s backwards;
}

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

.stats-bar .stat-item .stat-num {
    font-size: 2rem;
    font-weight: 800;
    color: #5dade2;
    line-height: 1;
    margin-bottom: 6px;
}

.stats-bar .stat-item .stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   价值观页面增强
   ============================================ */
.values-page-body {
    padding: 60px 0;
}

.values-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.value-card {
    position: relative;
    overflow: hidden;
}

.value-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.value-card:hover::after {
    transform: scaleX(1);
}

.value-card .value-num {
    box-shadow: 0 4px 12px rgba(26, 95, 158, 0.25);
}

.values-cta {
    text-align: center;
    margin-top: 48px;
    padding: 40px;
    background: linear-gradient(135deg, var(--color-bg-alt), var(--color-bg));
    border-radius: var(--radius-lg);
}

.values-cta h3 {
    font-size: 1.5rem;
    color: var(--color-primary-dark);
    margin-bottom: 12px;
    font-weight: 700;
}

.values-cta p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}