/* 杏彩体育 - 杏彩体育官网｜XC SPORTS - style.css */
/* 全局重置与基础 */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: #f8f9fa;
    color: #1a1a2e;
    line-height: 1.6;
    transition: background 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

body.dark {
    background: #0f0f23;
    color: #e0e0e0;
}

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

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

/* 容器 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 按钮基础 */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    font-size: 1rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #e94560, #0f3460);
    color: #fff;
    box-shadow: 0 4px 15px rgba(233, 69, 96, 0.25);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(233, 69, 96, 0.35);
}

.btn-primary:active {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(233, 69, 96, 0.3);
}

/* 通用区块 */
.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 15px;
    text-align: center;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.section-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 50px;
    font-size: 1.1rem;
    font-weight: 400;
}

body.dark .section-subtitle {
    color: #aaa;
}

/* 卡片 - 毛玻璃与圆角 */
.card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

body.dark .card {
    background: rgba(30, 30, 60, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

body.dark .card:hover {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

/* 网格系统 */
.grid {
    display: grid;
    gap: 30px;
}

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

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

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 992px) {
    .grid-3,
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* 工具类 */
.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

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

.gap-15 {
    gap: 15px;
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.scroll-animate {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 渐变背景 */
.gradient-bg {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

body.dark .gradient-bg {
    background: linear-gradient(135deg, #0a0a1a 0%, #0f0f23 50%, #1a1a2e 100%);
}

/* ===== 头部导航 ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

body.dark header {
    background: rgba(15, 15, 35, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #e94560, #0f3460);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #e94560;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

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

.nav-links a:hover {
    color: #e94560;
}

body.dark .nav-links a:hover {
    color: #e94560;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 5px;
    z-index: 1001;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: #1a1a2e;
    border-radius: 3px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark .menu-toggle span {
    background: #e0e0e0;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }

    body.dark .nav-links {
        background: rgba(15, 15, 35, 0.95);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
    }

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

    .menu-toggle {
        display: flex;
    }
}

/* ===== Hero 区域 ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 20px 60px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(233, 69, 96, 0.12), transparent 60%),
        radial-gradient(circle at 70% 30%, rgba(15, 52, 96, 0.12), transparent 60%);
    animation: heroGlow 15s ease-in-out infinite alternate;
    z-index: 0;
    pointer-events: none;
}

@keyframes heroGlow {
    0% {
        transform: translate(0, 0) scale(1);
    }
    100% {
        transform: translate(-20px, -20px) scale(1.05);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -1px;
}

.hero h1 span {
    background: linear-gradient(135deg, #e94560, #0f3460);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

body.dark .hero p {
    color: #ccc;
}

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

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    .hero p {
        font-size: 1rem;
    }
}

/* ===== 面包屑 ===== */
.breadcrumb {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    padding: 15px 0;
    font-size: 0.9rem;
    color: #888;
}

.breadcrumb a {
    color: #e94560;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #0f3460;
}

.breadcrumb span {
    margin: 0 5px;
}

/* ===== Banner 轮播 ===== */
.banner-carousel {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    margin: 40px 0;
    height: 400px;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    color: #fff;
    padding: 40px;
    text-align: center;
}

.banner-slide.active {
    opacity: 1;
}

.banner-slide h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.banner-slide p {
    font-size: 1.1rem;
    max-width: 600px;
    opacity: 0.9;
}

.banner-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
}

.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ccc;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    padding: 0;
}

.banner-dot.active {
    background: #e94560;
    transform: scale(1.2);
}

.banner-dot:hover {
    background: #e94560;
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .banner-carousel {
        height: 280px;
    }
    .banner-slide h2 {
        font-size: 1.5rem;
    }
    .banner-slide p {
        font-size: 0.95rem;
    }
}

/* ===== 计数器 ===== */
.counter-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
    padding: 40px 0;
}

.counter-item {
    text-align: center;
    flex: 1;
    min-width: 150px;
}

.counter-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #e94560, #0f3460);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.counter-label {
    font-size: 1rem;
    color: #666;
    margin-top: 5px;
}

body.dark .counter-label {
    color: #aaa;
}

/* ===== FAQ ===== */
.faq-item {
    border-bottom: 1px solid #eee;
    padding: 20px 0;
    transition: border-color 0.3s ease;
}

body.dark .faq-item {
    border-color: #333;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 10px 0;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    color: inherit;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: #e94560;
}

.faq-question .icon {
    font-size: 1.5rem;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: #e94560;
    font-weight: 300;
}

.faq-item.open .faq-question .icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
    padding: 0 20px;
    color: #555;
    line-height: 1.7;
}

body.dark .faq-answer {
    color: #bbb;
}

.faq-item.open .faq-answer {
    max-height: 500px;
    padding: 15px 20px;
}

/* ===== HowTo 步骤 ===== */
.howto-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 700px;
    margin: 0 auto;
}

.howto-step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 20px;
    background: rgba(233, 69, 96, 0.05);
    border-radius: 15px;
    border-left: 4px solid #e94560;
    transition: all 0.3s ease;
}

.howto-step:hover {
    background: rgba(233, 69, 96, 0.1);
    transform: translateX(5px);
}

.howto-step .step-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: #e94560;
    min-width: 40px;
    line-height: 1.4;
}

/* ===== Footer ===== */
.footer {
    background: #1a1a2e;
    color: #ccc;
    padding: 60px 20px 30px;
}

body.dark .footer {
    background: #0a0a1a;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer h3 {
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 10px;
}

.footer ul li a {
    color: #aaa;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.footer ul li a:hover {
    color: #e94560;
    padding-left: 3px;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: #e94560;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* ===== 返回顶部 & 暗黑模式按钮 ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #e94560;
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    box-shadow: 0 5px 20px rgba(233, 69, 96, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 8px 25px rgba(233, 69, 96, 0.4);
}

.back-to-top:active {
    transform: scale(0.95);
}

.dark-mode-toggle {
    position: fixed;
    bottom: 90px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #1a1a2e;
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark .dark-mode-toggle {
    background: #e94560;
}

.dark-mode-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

@media (max-width: 576px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
    .dark-mode-toggle {
        bottom: 75px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
}

/* ===== 搜索框 ===== */
.search-box {
    display: flex;
    gap: 10px;
    max-width: 500px;
    margin: 0 auto 40px;
}

.search-box input {
    flex: 1;
    padding: 12px 20px;
    border-radius: 12px;
    border: 2px solid #ddd;
    font-size: 1rem;
    outline: none;
    transition: border 0.3s ease, box-shadow 0.3s ease;
    background: #fff;
    color: #1a1a2e;
}

body.dark .search-box input {
    background: #1e1e3a;
    border-color: #333;
    color: #e0e0e0;
}

.search-box input:focus {
    border-color: #e94560;
    box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.15);
}

.search-box button {
    padding: 12px 25px;
    border-radius: 12px;
    background: #e94560;
    color: #fff;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.search-box button:hover {
    background: #d63850;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(233, 69, 96, 0.3);
}

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

/* ===== 新闻列表 ===== */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

body.dark .news-item {
    background: rgba(30, 30, 60, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.news-item:hover {
    transform: translateX(5px);
    background: rgba(255, 255, 255, 0.7);
}

body.dark .news-item:hover {
    background: rgba(30, 30, 60, 0.7);
}

.news-item .date {
    min-width: 80px;
    color: #e94560;
    font-weight: 600;
    font-size: 0.9rem;
}

/* ===== 相关链接 ===== */
.related-links {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    padding: 20px 0;
}

.related-links a {
    padding: 8px 20px;
    border-radius: 20px;
    background: rgba(233, 69, 96, 0.1);
    color: #e94560;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.9rem;
    font-weight: 500;
}

.related-links a:hover {
    background: #e94560;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(233, 69, 96, 0.3);
}

/* ===== 站点地图链接 ===== */
.sitemap-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    padding: 20px 0;
}

.sitemap-links a {
    color: #e94560;
    font-size: 0.9rem;
    padding: 5px 10px;
    transition: all 0.3s ease;
    border-radius: 5px;
}

.sitemap-links a:hover {
    background: rgba(233, 69, 96, 0.1);
    text-decoration: underline;
}

/* ===== 信任徽章 ===== */
.trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    padding: 30px 0;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-radius: 12px;
    font-size: 0.9rem;
    color: #555;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

body.dark .trust-badge {
    color: #ccc;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.trust-badge:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.trust-badge svg {
    width: 24px;
    height: 24px;
    fill: #e94560;
    flex-shrink: 0;
}

/* ===== 联系信息 ===== */
.contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    padding: 30px 0;
}

.contact-info-item {
    text-align: center;
    padding: 20px;
    min-width: 200px;
    transition: all 0.3s ease;
}

.contact-info-item:hover {
    transform: translateY(-5px);
}

.contact-info-item svg {
    width: 40px;
    height: 40px;
    fill: #e94560;
    margin-bottom: 10px;
}

.contact-info-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    font-weight: 600;
}

.contact-info-item p {
    color: #666;
    font-size: 0.95rem;
}

body.dark .contact-info-item p {
    color: #aaa;
}

/* ===== 合作伙伴Logo ===== */
.partner-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    align-items: center;
    padding: 30px 0;
}

.partner-logos svg {
    width: 100px;
    height: 60px;
    opacity: 0.6;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.partner-logos svg:hover {
    opacity: 1;
    transform: scale(1.05);
}

/* ===== 评价轮播 ===== */
.testimonial-carousel {
    position: relative;
    overflow: hidden;
    padding: 20px 0;
}

.testimonial-slide {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-radius: 20px;
    margin: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

body.dark .testimonial-slide {
    background: rgba(30, 30, 60, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.testimonial-slide p {
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: 15px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.testimonial-slide .author {
    font-weight: 600;
    color: #e94560;
}

.author-info {
    font-size: 0.9rem;
    color: #888;
}

/* ===== 产品卡片 ===== */
.product-card {
    text-align: center;
    padding: 30px 20px;
}

.product-card svg {
    width: 60px;
    height: 60px;
    fill: #e94560;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.product-card:hover svg {
    transform: scale(1.1) rotate(-5deg);
}

.product-card h3 {
    margin-bottom: 10px;
    font-size: 1.3rem;
    font-weight: 600;
}

.product-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
}

body.dark .product-card p {
    color: #aaa;
}

/* ===== 案例卡片 ===== */
.case-card {
    overflow: hidden;
    border-radius: 20px;
    position: relative;
    height: 250px;
    display: flex;
    align-items: flex-end;
    padding: 25px;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    color: #fff;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
    z-index: 0;
}

.case-card:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.case-card .case-content {
    z-index: 1;
    position: relative;
}

.case-card h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    font-weight: 600;
}

.case-card p {
    font-size: 0.9rem;
    opacity: 0.9;
    line-height: 1.5;
}

/* ===== 团队卡片 ===== */
.team-card {
    text-align: center;
    padding: 30px 20px;
}

.team-card svg {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    fill: #e94560;
    margin-bottom: 15px;
    background: rgba(233, 69, 96, 0.1);
    padding: 15px;
    transition: transform 0.3s ease;
}

.team-card:hover svg {
    transform: scale(1.1);
}

.team-card h3 {
    margin-bottom: 5px;
    font-weight: 600;
}

.team-card .role {
    color: #e94560;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.team-card p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.6;
}

body.dark .team-card p {
    color: #aaa;
}

/* ===== 价值卡片 ===== */
.value-card {
    text-align: center;
    padding: 30px 20px;
}

.value-card svg {
    width: 50px;
    height: 50px;
    fill: #0f3460;
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}

body.dark .value-card svg {
    fill: #e94560;
}

.value-card:hover svg {
    transform: scale(1.15) rotate(-5deg);
}

.value-card h3 {
    margin-bottom: 10px;
    font-weight: 600;
}

.value-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
}

body.dark .value-card p {
    color: #aaa;
}

/* ===== 解决方案卡片 ===== */
.solution-card {
    padding: 30px;
    border-left: 4px solid #e94560;
    background: rgba(233, 69, 96, 0.03);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.solution-card:hover {
    background: rgba(233, 69, 96, 0.08);
    transform: translateX(5px);
}

.solution-card h3 {
    margin-bottom: 10px;
    font-weight: 600;
}

.solution-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
}

body.dark .solution-card p {
    color: #aaa;
}

/* ===== 行业标签 ===== */
.industry-tag {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 25px;
    background: rgba(233, 69, 96, 0.1);
    color: #e94560;
    font-size: 0.9rem;
    margin: 5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: default;
    font-weight: 500;
}

.industry-tag:hover {
    background: #e94560;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(233, 69, 96, 0.3);
}

/* ===== 服务卡片 ===== */
.service-card {
    text-align: center;
    padding: 30px 20px;
}

.service-card svg {
    width: 55px;
    height: 55px;
    fill: #0f3460;
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}

body.dark .service-card svg {
    fill: #e94560;
}

.service-card:hover svg {
    transform: scale(1.1) rotate(-5deg);
}

.service-card h3 {
    margin-bottom: 10px;
    font-weight: 600;
}

.service-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
}

body.dark .service-card p {
    color: #aaa;
}

/* ===== 优势卡片 ===== */
.advantage-card {
    text-align: center;
    padding: 30px 20px;
}

.advantage-card svg {
    width: 50px;
    height: 50px;
    fill: #e94560;
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}

.advantage-card:hover svg {
    transform: scale(1.15);
}

.advantage-card h3 {
    margin-bottom: 10px;
    font-weight: 600;
}

.advantage-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
}

body.dark .advantage-card p {
    color: #aaa;
}

/* ===== 故事内容 ===== */
.story-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 30px 20px;
    font-size: 1.05rem;
    color: #555;
    line-height: 1.8;
}

body.dark .story-content {
    color: #ccc;
}

/* ===== 文化网格 ===== */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

/* ===== 专用区块容器 ===== */
.faq-section {
    max-width: 800px;
    margin: 0 auto;
}

.howto-section {
    max-width: 800px;
    margin: 0 auto;
}

.news-section {
    max-width: 900px;
    margin: 0 auto;
}

.contact-section {
    max-width: 800px;
    margin: 0 auto;
}

/* ===== 地图占位 ===== */
.map-section {
    text-align: center;
    padding: 30px 0;
}

.map-placeholder {
    width: 100%;
    height: 300px;
    background: rgba(233, 69, 96, 0.05);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
    font-size: 1.1rem;
    border: 2px dashed #ddd;
    transition: all 0.3s ease;
}

body.dark .map-placeholder {
    border-color: #333;
    color: #aaa;
    background: rgba(233, 69, 96, 0.02);
}

.map-placeholder:hover {
    border-color: #e94560;
    background: rgba(233, 69, 96, 0.08);
}

/* ===== 隐私链接 ===== */
.privacy-links {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    padding: 20px 0;
}

.privacy-links a {
    color: #e94560;
    font-size: 0.9rem;
    padding: 5px 10px;
    transition: all 0.3s ease;
    border-radius: 5px;
}

.privacy-links a:hover {
    text-decoration: underline;
    background: rgba(233, 69, 96, 0.1);
}

/* ===== 更新信息 ===== */
.update-info {
    text-align: center;
    font-size: 0.9rem;
    color: #888;
    padding: 10px 0;
}

body.dark .update-info {
    color: #aaa;
}

/* ===== Schema 隐藏 ===== */
.schema-hidden {
    display: none;
}

/* ===== 响应式微调 ===== */
@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 35px;
    }
    .counter-number {
        font-size: 2.5rem;
    }
    .story-content {
        font-size: 0.95rem;
        padding: 20px 15px;
    }
    .news-item {
        flex-direction: column;
        gap: 10px;
    }
    .news-item .date {
        min-width: auto;
    }
}

@media (max-width: 576px) {
    .section {
        padding: 40px 0;
    }
    .section-title {
        font-size: 1.5rem;
    }
    .container {
        padding: 0 15px;
    }
    .card {
        padding: 20px;
    }
    .hero {
        padding: 80px 15px 40px;
    }
    .banner-carousel {
        height: 220px;
    }
    .counter-number {
        font-size: 2rem;
    }
    .footer {
        padding: 40px 15px 20px;
    }
}

/* ===== 暗黑模式过渡优化 ===== */
body.dark .card,
body.dark .news-item,
body.dark .testimonial-slide,
body.dark .trust-badge {
    transition: all 0.3s ease;
}

/* ===== 打印样式 ===== */
@media print {
    .back-to-top,
    .dark-mode-toggle,
    .menu-toggle,
    .nav-links {
        display: none !important;
    }
    header {
        position: relative;
        background: #fff;
        border-bottom: 1px solid #ddd;
    }
    body.dark header {
        background: #fff;
        color: #000;
    }
    body.dark {
        background: #fff;
        color: #000;
    }
    .card {
        background: #fff;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}