/* 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: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: #f5f7fa;
    color: #1a1a2e;
    line-height: 1.6;
    transition: background 0.4s ease, color 0.4s ease;
    overflow-x: hidden;
}

/* 暗色模式 */
body.dark-mode {
    background: #0d0d1a;
    color: #e0e0e0;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

ul, ol {
    list-style: none;
}

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

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

/* 按钮基础 */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #e94560, #c23152);
    color: #fff;
    box-shadow: 0 8px 25px rgba(233, 69, 96, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 35px rgba(233, 69, 96, 0.5);
}

.btn-secondary {
    background: rgba(255,255,255,0.15);
    color: #fff;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.25);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-3px);
}

.dark-mode .btn-secondary {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.15);
}

.dark-mode .btn-secondary:hover {
    background: rgba(255,255,255,0.15);
}

/* 头部导航 */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: all 0.4s ease;
}

.dark-mode header {
    background: rgba(13,13,26,0.85);
    border-bottom-color: rgba(255,255,255,0.06);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 70px;
}

.logo svg {
    transition: transform 0.3s;
}

.logo:hover svg {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    gap: 8px;
}

.nav-menu a {
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #555;
    transition: all 0.3s ease;
    position: relative;
}

.dark-mode .nav-menu a {
    color: #aaa;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: linear-gradient(135deg, rgba(233,69,96,0.12), rgba(233,69,96,0.05));
    color: #e94560;
}

.dark-mode .nav-menu a:hover,
.dark-mode .nav-menu a.active {
    background: rgba(233,69,96,0.15);
    color: #ff6b81;
}

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

.nav-actions button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    color: #555;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dark-mode .nav-actions button {
    color: #aaa;
}

.nav-actions button:hover {
    background: rgba(233,69,96,0.1);
    color: #e94560;
}

.menu-toggle {
    display: none;
}

.search-bar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.dark-mode .search-bar {
    background: rgba(13,13,26,0.9);
    border-bottom-color: rgba(255,255,255,0.06);
}

.search-bar form {
    display: flex;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto;
}

.search-bar input {
    flex: 1;
    padding: 10px 18px;
    border-radius: 30px;
    border: 1px solid #ddd;
    background: #fff;
    font-size: 0.95rem;
    outline: none;
    transition: border 0.3s;
}

.dark-mode .search-bar input {
    background: #1a1a2e;
    border-color: #333;
    color: #e0e0e0;
}

.search-bar input:focus {
    border-color: #e94560;
}

.search-bar button {
    padding: 10px 24px;
    border-radius: 30px;
    border: none;
    background: linear-gradient(135deg, #e94560, #c23152);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.search-bar button:hover {
    transform: scale(1.03);
    box-shadow: 0 4px 15px rgba(233,69,96,0.3);
}

/* Hero 区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 80px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    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(233,69,96,0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(233,69,96,0.1) 0%, transparent 50%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(-5%, -5%) rotate(5deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 650px;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-content h1 {
    font-size: 3.2rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.hero-content p {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 40px;
    line-height: 1.8;
}

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

.hero-banner {
    position: relative;
    z-index: 2;
    margin-top: 40px;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-banner svg {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 60px rgba(0,0,0,0.3));
    border-radius: 20px;
}

/* 通用section样式 */
section {
    padding: 100px 0;
}

section h2 {
    font-size: 2.4rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    color: #1a1a2e;
}

.dark-mode section h2 {
    color: #e0e0e0;
}

section h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #e94560, #c23152);
    border-radius: 2px;
    margin: 16px auto 0;
}

/* 关于我们 */
.about {
    background: #fff;
}

.dark-mode .about {
    background: #111122;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.about-card {
    background: rgba(245,247,250,0.6);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px 30px;
    border: 1px solid rgba(0,0,0,0.04);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.dark-mode .about-card {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.06);
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #e94560, #c23152);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

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

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(233,69,96,0.1);
}

.dark-mode .about-card:hover {
    box-shadow: 0 20px 60px rgba(233,69,96,0.15);
}

.about-card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: #e94560;
}

.about-card p {
    color: #666;
    line-height: 1.8;
}

.dark-mode .about-card p {
    color: #aaa;
}

/* 团队 */
.team {
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
}

.dark-mode .team {
    background: linear-gradient(135deg, #0d0d1a 0%, #111122 100%);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.team-member {
    padding: 30px 20px;
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    transition: all 0.4s ease;
    border: 1px solid rgba(255,255,255,0.5);
}

.dark-mode .team-member {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.06);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(233,69,96,0.12);
}

.team-member svg {
    margin: 0 auto 20px;
    transition: transform 0.4s;
}

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

.team-member h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: #1a1a2e;
}

.dark-mode .team-member h3 {
    color: #e0e0e0;
}

.team-member p {
    color: #888;
    font-size: 0.9rem;
}

/* 产品中心 */
.products {
    background: #fff;
}

.dark-mode .products {
    background: #111122;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.product-card {
    background: rgba(245,247,250,0.6);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(0,0,0,0.04);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark-mode .product-card {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.06);
}

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 60px rgba(233,69,96,0.12);
}

.product-card svg {
    margin: 0 auto 20px;
    border-radius: 16px;
    transition: transform 0.4s;
}

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

.product-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: #1a1a2e;
}

.dark-mode .product-card h3 {
    color: #e0e0e0;
}

.product-card p {
    color: #666;
    line-height: 1.7;
}

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

/* 产品优势 */
.advantages {
    background: linear-gradient(135deg, #1a1a2e 0%, #0f3460 100%);
    color: #fff;
}

.advantages h2 {
    color: #fff;
}

.advantages h2::after {
    background: linear-gradient(135deg, #e94560, #ff6b81);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.advantage-item {
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.08);
    transition: all 0.4s ease;
}

.advantage-item:hover {
    transform: translateY(-8px);
    background: rgba(255,255,255,0.1);
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}

.advantage-item svg {
    margin: 0 auto 20px;
    transition: transform 0.4s;
}

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

.advantage-item h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: #e94560;
}

.advantage-item p {
    color: rgba(255,255,255,0.8);
    line-height: 1.7;
}

/* 解决方案 */
.solutions {
    background: #fff;
}

.dark-mode .solutions {
    background: #111122;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.solution-card {
    background: rgba(245,247,250,0.6);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px 30px;
    border: 1px solid rgba(0,0,0,0.04);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.dark-mode .solution-card {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.06);
}

.solution-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(233,69,96,0.08) 0%, transparent 70%);
    border-radius: 50%;
    transition: all 0.5s;
}

.solution-card:hover::after {
    transform: scale(3);
    opacity: 0.5;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(233,69,96,0.1);
}

.solution-card h3 {
    font-size: 1.3rem;
    margin-bottom: 16px;
    color: #e94560;
}

.solution-card p {
    color: #666;
    line-height: 1.8;
}

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

/* 行业应用 */
.industry {
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
    text-align: center;
}

.dark-mode .industry {
    background: linear-gradient(135deg, #0d0d1a 0%, #111122 100%);
}

.industry p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: #666;
    line-height: 1.9;
}

.dark-mode .industry p {
    color: #aaa;
}

/* 案例展示 */
.cases {
    background: #fff;
}

.dark-mode .cases {
    background: #111122;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.case-card {
    background: rgba(245,247,250,0.6);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.04);
    transition: all 0.4s ease;
}

.dark-mode .case-card {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.06);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 60px rgba(233,69,96,0.1);
}

.case-card svg {
    width: 100%;
    transition: transform 0.5s;
}

.case-card:hover svg {
    transform: scale(1.03);
}

.case-card h3 {
    padding: 20px 20px 8px;
    font-size: 1.15rem;
    color: #1a1a2e;
}

.dark-mode .case-card h3 {
    color: #e0e0e0;
}

.case-card p {
    padding: 0 20px 24px;
    color: #666;
    line-height: 1.7;
}

.dark-mode .case-card p {
    color: #aaa;
}

/* 合作伙伴 */
.partners {
    background: linear-gradient(135deg, #1a1a2e 0%, #0f3460 100%);
}

.partners h2 {
    color: #fff;
}

.partners h2::after {
    background: linear-gradient(135deg, #e94560, #ff6b81);
}

.partner-logos {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.partner-logos svg {
    transition: all 0.4s ease;
    border-radius: 12px;
}

.partner-logos svg:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 30px rgba(233,69,96,0.2);
}

/* 客户评价 */
.testimonials {
    background: #fff;
}

.dark-mode .testimonials {
    background: #111122;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: rgba(245,247,250,0.6);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(0,0,0,0.04);
    transition: all 0.4s ease;
    font-style: normal;
}

.dark-mode .testimonial-card {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.06);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(233,69,96,0.08);
}

.testimonial-card p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 16px;
    position: relative;
    padding-left: 20px;
}

.dark-mode .testimonial-card p {
    color: #ccc;
}

.testimonial-card p::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -8px;
    font-size: 2.5rem;
    color: #e94560;
    opacity: 0.3;
    font-family: serif;
}

.testimonial-card footer {
    color: #e94560;
    font-weight: 500;
    font-size: 0.9rem;
}

/* 新闻 */
.news {
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
}

.dark-mode .news {
    background: linear-gradient(135deg, #0d0d1a 0%, #111122 100%);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.news-card {
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(255,255,255,0.5);
    transition: all 0.4s ease;
}

.dark-mode .news-card {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.06);
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(233,69,96,0.1);
}

.news-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: #1a1a2e;
}

.dark-mode .news-card h3 {
    color: #e0e0e0;
}

.news-card p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 16px;
}

.dark-mode .news-card p {
    color: #aaa;
}

.news-card time {
    color: #999;
    font-size: 0.85rem;
}

.related-articles {
    background: rgba(255,255,255,0.5);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(255,255,255,0.3);
}

.dark-mode .related-articles {
    background: rgba(255,255,255,0.03);
    border-color: rgba(255,255,255,0.06);
}

.related-articles h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #1a1a2e;
}

.dark-mode .related-articles h3 {
    color: #e0e0e0;
}

.related-articles ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.related-articles a {
    padding: 8px 16px;
    border-radius: 30px;
    background: rgba(233,69,96,0.06);
    color: #555;
    transition: all 0.3s;
    display: inline-block;
    font-size: 0.9rem;
}

.dark-mode .related-articles a {
    background: rgba(233,69,96,0.1);
    color: #ccc;
}

.related-articles a:hover {
    background: rgba(233,69,96,0.15);
    color: #e94560;
    transform: translateX(5px);
}

/* FAQ */
.faq {
    background: #fff;
}

.dark-mode .faq {
    background: #111122;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(245,247,250,0.6);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    margin-bottom: 16px;
    border: 1px solid rgba(0,0,0,0.04);
    overflow: hidden;
    transition: all 0.3s;
}

.dark-mode .faq-item {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.06);
}

.faq-item:hover {
    box-shadow: 0 8px 25px rgba(233,69,96,0.06);
}

.faq-item summary {
    padding: 20px 24px;
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    color: #1a1a2e;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: color 0.3s;
}

.dark-mode .faq-item summary {
    color: #e0e0e0;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    color: #e94560;
    transition: transform 0.3s;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item summary:hover {
    color: #e94560;
}

.faq-item p {
    padding: 0 24px 20px;
    color: #666;
    line-height: 1.8;
}

.dark-mode .faq-item p {
    color: #aaa;
}

/* HowTo */
.howto {
    background: linear-gradient(135deg, #1a1a2e 0%, #0f3460 100%);
    color: #fff;
}

.howto h2 {
    color: #fff;
}

.howto h2::after {
    background: linear-gradient(135deg, #e94560, #ff6b81);
}

.howto-steps {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    counter-reset: step;
}

.howto-steps li {
    counter-increment: step;
    padding: 30px 40px;
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.08);
    font-size: 1.1rem;
    font-weight: 500;
    position: relative;
    min-width: 200px;
    text-align: center;
    transition: all 0.4s;
}

.howto-steps li:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.1);
}

.howto-steps li::before {
    content: counter(step);
    display: block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    background: linear-gradient(135deg, #e94560, #c23152);
    border-radius: 50%;
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    margin: 0 auto 16px;
}

/* 联系我们 */
.contact {
    background: #fff;
}

.dark-mode .contact {
    background: #111122;
}

.contact-info {
    max-width: 500px;
    margin: 0 auto;
    background: rgba(245,247,250,0.6);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid rgba(0,0,0,0.04);
}

.dark-mode .contact-info {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.06);
}

.contact-info p {
    margin-bottom: 16px;
    font-size: 1.05rem;
    color: #555;
    line-height: 1.8;
}

.dark-mode .contact-info p {
    color: #ccc;
}

.contact-info strong {
    color: #e94560;
}

/* 下载 */
.download {
    background: linear-gradient(135deg, #1a1a2e 0%, #0f3460 100%);
    text-align: center;
    color: #fff;
}

.download h2 {
    color: #fff;
}

.download h2::after {
    background: linear-gradient(135deg, #e94560, #ff6b81);
}

.download p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: rgba(255,255,255,0.8);
}

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

/* 面包屑 */
.breadcrumb {
    background: #f5f7fa;
    padding: 20px 0;
}

.dark-mode .breadcrumb {
    background: #0d0d1a;
}

.breadcrumb nav ol {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.breadcrumb nav ol li {
    font-size: 0.9rem;
    color: #888;
}

.breadcrumb nav ol li:not(:last-child)::after {
    content: '/';
    margin-left: 8px;
    color: #ccc;
}

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

.breadcrumb nav ol a:hover {
    color: #c23152;
}

/* 搜索区域 */
.search-section {
    background: #fff;
}

.dark-mode .search-section {
    background: #111122;
}

.search-section form {
    display: flex;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto;
}

.search-section input {
    flex: 1;
    padding: 14px 20px;
    border-radius: 30px;
    border: 1px solid #ddd;
    font-size: 1rem;
    outline: none;
    transition: border 0.3s;
    background: #f5f7fa;
}

.dark-mode .search-section input {
    background: #1a1a2e;
    border-color: #333;
    color: #e0e0e0;
}

.search-section input:focus {
    border-color: #e94560;
}

.search-section button {
    padding: 14px 28px;
    border-radius: 30px;
    border: none;
    background: linear-gradient(135deg, #e94560, #c23152);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.search-section button:hover {
    transform: scale(1.03);
    box-shadow: 0 4px 15px rgba(233,69,96,0.3);
}

/* 相关推荐 */
.recommendations {
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
}

.dark-mode .recommendations {
    background: linear-gradient(135deg, #0d0d1a 0%, #111122 100%);
}

.recommendations ul {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.recommendations a {
    padding: 12px 24px;
    border-radius: 30px;
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(10px);
    color: #555;
    font-weight: 500;
    transition: all 0.3s;
    border: 1px solid rgba(255,255,255,0.3);
}

.dark-mode .recommendations a {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.06);
    color: #ccc;
}

.recommendations a:hover {
    background: rgba(233,69,96,0.1);
    color: #e94560;
    transform: translateY(-3px);
}

/* 上一篇下一篇 */
.prev-next {
    background: #fff;
    padding: 40px 0;
}

.dark-mode .prev-next {
    background: #111122;
}

.prev-next nav {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.prev-next nav a {
    padding: 12px 24px;
    border-radius: 30px;
    background: rgba(245,247,250,0.6);
    backdrop-filter: blur(10px);
    color: #555;
    font-weight: 500;
    transition: all 0.3s;
    border: 1px solid rgba(0,0,0,0.04);
}

.dark-mode .prev-next nav a {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.06);
    color: #ccc;
}

.prev-next nav a:hover {
    background: rgba(233,69,96,0.1);
    color: #e94560;
    transform: translateY(-2px);
}

/* 友情链接 */
.friend-links {
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
}

.dark-mode .friend-links {
    background: linear-gradient(135deg, #0d0d1a 0%, #111122 100%);
}

.friend-links ul {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.friend-links a {
    padding: 8px 20px;
    border-radius: 30px;
    background: rgba(255,255,255,0.5);
    color: #666;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.dark-mode .friend-links a {
    background: rgba(255,255,255,0.04);
    color: #aaa;
}

.friend-links a:hover {
    background: rgba(233,69,96,0.1);
    color: #e94560;
}

/* 网站地图 */
.sitemap {
    background: #fff;
}

.dark-mode .sitemap {
    background: #111122;
}

.sitemap ul {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.sitemap a {
    padding: 8px 18px;
    border-radius: 30px;
    background: rgba(245,247,250,0.6);
    color: #555;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.dark-mode .sitemap a {
    background: rgba(255,255,255,0.04);
    color: #aaa;
}

.sitemap a:hover {
    background: rgba(233,69,96,0.1);
    color: #e94560;
    transform: translateY(-2px);
}

/* 页脚 */
footer {
    background: #1a1a2e;
    color: rgba(255,255,255,0.8);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand svg {
    margin-bottom: 16px;
}

.footer-brand p {
    color: rgba(255,255,255,0.6);
    font-size: 0.95rem;
}

.footer-links h4,
.footer-legal h4,
.footer-contact h4 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after,
.footer-legal h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 3px;
    background: #e94560;
    border-radius: 2px;
}

.footer-links ul,
.footer-legal ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a,
.footer-legal a {
    color: rgba(255,255,255,0.6);
    transition: all 0.3s;
    font-size: 0.9rem;
}

.footer-links a:hover,
.footer-legal a:hover {
    color: #e94560;
    padding-left: 5px;
}

.footer-contact p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 30px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
    margin-bottom: 6px;
}

.footer-bottom p:last-child {
    color: #e94560;
    font-weight: 500;
}

/* 返回顶部 */
#back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #e94560, #c23152);
    color: #fff;
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(233,69,96,0.35);
    transition: all 0.3s ease;
    z-index: 999;
}

#back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(233,69,96,0.5);
}

/* 滚动动画 */
section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式 */
@media (max-width: 1024px) {
    .nav-menu {
        gap: 4px;
    }
    .nav-menu a {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(255,255,255,0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        gap: 8px;
        border-bottom: 1px solid rgba(0,0,0,0.06);
        max-height: 80vh;
        overflow-y: auto;
    }
    .dark-mode .nav-menu {
        background: rgba(13,13,26,0.95);
        border-bottom-color: rgba(255,255,255,0.06);
    }
    .nav-menu.open {
        display: flex;
    }
    .menu-toggle {
        display: flex;
    }
    .hero-content h1 {
        font-size: 2.2rem;
    }
    .hero-content p {
        font-size: 1rem;
    }
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    .hero-banner svg {
        max-width: 90%;
    }
    section {
        padding: 60px 0;
    }
    section h2 {
        font-size: 1.8rem;
        margin-bottom: 40px;
    }
    .about-grid,
    .product-grid,
    .advantages-grid,
    .solutions-grid,
    .case-grid,
    .testimonial-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .howto-steps {
        flex-direction: column;
        align-items: center;
    }
    .howto-steps li {
        width: 100%;
        max-width: 300px;
    }
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-links h4::after,
    .footer-legal h4::after,
    .footer-contact h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    .footer-links ul,
    .footer-legal ul {
        align-items: center;
    }
    #back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
    .prev-next nav {
        flex-direction: column;
        align-items: center;
    }
    .breadcrumb nav ol {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    .team-grid {
        grid-template-columns: 1fr;
    }
    .partner-logos {
        gap: 16px;
    }
    .partner-logos svg {
        width: 100px;
    }
}