* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: #333;
    background: #111;
}

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

ul {
    list-style: none;
}

.landing-page {
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    min-height: 100vh;
}

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

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 191, 165, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo h1 {
    color: #00BFA5;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-subtitle {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 400;
    opacity: 0.8;
}

.version-info {
    color: #00BFA5;
    font-size: 0.8rem;
    background: rgba(0, 191, 165, 0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    border: 1px solid rgba(0, 191, 165, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    margin-left: 0.8rem;
    white-space: nowrap;
    display: inline-block;
    vertical-align: middle;
}

.version-info:hover {
    background: rgba(0, 191, 165, 0.2);
    border-color: rgba(0, 191, 165, 0.5);
    transform: translateY(-1px);
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: #fff;
    font-weight: 500;
    font-size: 14px;
    transition: color 0.3s;
}

/* 当前导航选中态 */
.nav-menu a.active,
.nav-item.active > a {
    color: #00BFA5;
    position: relative;
}

.nav-menu a.active::after,
.nav-item.active > a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -6px;
    height: 2px;
    background: linear-gradient(90deg, #00BFA5, #26A69A);
    border-radius: 999px;
}

.nav-menu a:hover {
    color: #00BFA5;
}

.nav-item {
    position: relative;
}

.nav-item.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(26, 26, 26, 0.98);
    backdrop-filter: blur(10px);
    min-width: 260px;
    max-width: 320px;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(0, 191, 165, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.submenu a {
    display: block;
    padding: 0.6rem 1.5rem;
    color: #fff;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: all 0.2s;
}

.submenu a.active {
    color: #00BFA5;
    background: rgba(0, 191, 165, 0.12);
}

.submenu a:hover {
    color: #00BFA5;
    background: rgba(0, 191, 165, 0.1);
    padding-left: 2rem;
}

.nav-link-login {
    background: linear-gradient(225deg, #18f4de, #18f470);
    color: #000;
    padding: 6px 20px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 14px;
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #fff;
    padding-top: 120px;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.highlight {
    color: #00BFA5;
    background: linear-gradient(45deg, #00BFA5, #26A69A);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    color: #b3b3b3;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    line-height: 1.8;
    color: #d9d9d9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(45deg, #00BFA5, #26A69A);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 191, 165, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #00BFA5;
    border: 2px solid #00BFA5;
}

.btn-secondary:hover {
    background: #00BFA5;
    color: #fff;
}

.system-preview {
    perspective: 1000px;
}

.screen-mockup {
    background: #333;
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transform: rotateY(-5deg) rotateX(5deg);
    transition: transform 0.3s;
}

.screen-mockup:hover {
    transform: rotateY(0deg) rotateX(0deg);
}

.screen-header {
    height: 8px;
    background: #00BFA5;
    border-radius: 4px 4px 0 0;
    margin-bottom: 1rem;
}

.screen-content {
    background: #2a2a2a;
    border-radius: 0 0 8px 8px;
    padding: 1.5rem;
    min-height: 300px;
}

.data-flow {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: auto auto auto auto;
    gap: 1rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.top-flow {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    gap: 1rem;
}

.middle-flow,
.storage-flow,
.connect-flow {
    grid-column: 3;
    display: flex;
    justify-content: center;
    align-items: center;
}

.connect-flow {
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.flow-item {
    background: #00BFA5;
    color: #fff;
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    min-width: 90px;
    white-space: nowrap;
}

.flow-arrow {
    color: #00BFA5;
    font-size: 1.5rem;
    font-weight: bold;
}

.flow-arrow.vertical {
    font-size: 1.8rem;
}

.flow-text {
    color: #00BFA5;
    font-size: 0.8rem;
    font-weight: 500;
    text-align: center;
    padding: 0.5rem 1rem;
    background: rgba(0, 191, 165, 0.1);
    border-radius: 6px;
    border: 1px solid rgba(0, 191, 165, 0.3);
}

.one-click-feature {
    text-align: center;
    margin-top: 1rem;
}

.button-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 1.5rem;
    max-width: 600px;
    margin: 0 auto;
}

.click-button {
    background: linear-gradient(45deg, #00BFA5, #26A69A);
    color: #fff;
    padding: 1.2rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    animation: pulse 2s infinite;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 191, 165, 0.25);
    white-space: nowrap;
}

.click-button.center-button {
    grid-column: 1 / -1;
    max-width: 300px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #333;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 4rem;
}

.features-section,
.pricing-section {
    padding: 6rem 0;
    background: #fff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #fff;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid #f0f0f0;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 191, 165, 0.15);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    color: #00BFA5;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

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

.industries-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.industry-card {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s;
}

.industry-card:hover {
    transform: translateY(-5px);
}

.industry-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.industry-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.industry-card p {
    color: #666;
    margin-bottom: 1.5rem;
}

.industry-card li {
    color: #555;
    padding: 0.3rem 0;
    position: relative;
    padding-left: 1.2rem;
}

.industry-card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #00BFA5;
    font-weight: bold;
}

.benefits-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #fff;
}

.benefits-section .section-title {
    color: #fff;
}

.benefits-section .section-subtitle {
    color: #b3b3b3;
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.benefit-item {
    margin-bottom: 2.5rem;
}

.benefit-item h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: #00BFA5;
}

.benefit-item p {
    color: #d9d9d9;
    line-height: 1.7;
}

.comparison-chart {
    background: #333;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #444;
}

.chart-title {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #00BFA5;
}

.chart-item {
    margin-bottom: 1.5rem;
}

.label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: #fff;
}

.bars {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.bar {
    padding: 0.5rem;
    border-radius: 6px;
    font-size: 0.9rem;
}

.traditional {
    background: rgba(255, 87, 87, 0.2);
    color: #ff5757;
    border: 1px solid #ff5757;
}

.digital {
    background: rgba(0, 191, 165, 0.2);
    color: #00BFA5;
    border: 1px solid #00BFA5;
}

.pricing-content {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

.pricing-grid {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    width: 100%;
    max-width: 1200px;
    flex-wrap: wrap;
}

.price-card {
    background: #fff;
    padding: 2.5rem 2rem 2rem;
    border-radius: 22px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: 320px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.price-card.featured {
    border: 2px solid #00BFA5;
    box-shadow: 0 20px 45px rgba(0, 191, 165, 0.15);
}

.featured-badge {
    position: absolute;
    top: -16px;
    right: 22px;
    background: linear-gradient(120deg, #13c3a0, #04ad92);
    color: #fff;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 8px 18px rgba(0, 191, 165, 0.35);
}

.price-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 50px rgba(15, 23, 42, 0.15);
}

.price-header {
    text-align: center;
    margin-bottom: 1.8rem;
}

.price-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: #1f2a37;
    letter-spacing: 0.5px;
}

.price-amount {
    font-size: 2.6rem;
    font-weight: 700;
    color: #00BFA5;
    margin-bottom: 0.3rem;
}

.price-description {
    color: #6b7280;
    font-size: 0.95rem;
    line-height: 1.5;
}

.price-renewal {
    background: #e8faf6;
    border-radius: 16px;
    padding: 1rem;
    text-align: center;
    margin-bottom: 1.8rem;
}

.renewal-amount {
    font-size: 1.6rem;
    font-weight: 700;
    color: #00A98B;
    margin-bottom: 0.2rem;
}

.renewal-description {
    color: #6b7280;
    font-size: 0.9rem;
    line-height: 1.4;
}

.price-features {
    margin-bottom: 1.8rem;
    flex-grow: 1;
}

.price-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.price-features li {
    color: #374151;
    padding-left: 1.6rem;
    position: relative;
    font-size: 0.95rem;
}

.price-features li:before {
    content: "";
    position: absolute;
    left: 0.4rem;
    top: 0.55rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #00BFA5;
    box-shadow: 0 0 0 4px rgba(0, 191, 165, 0.12);
}

.pricing-btn {
    width: 100%;
    padding: 0.9rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    background: linear-gradient(120deg, #06bea3, #14cba7);
    box-shadow: 0 12px 24px rgba(0, 191, 165, 0.3);
}

.partners-section {
    padding: 5rem 0 4rem;
    background: #0c0f14;
    position: relative;
    overflow: hidden;
}

.partners-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 191, 165, 0.35), transparent);
    opacity: 0.5;
}

.partners-inner {
    position: relative;
}

.partners-section .section-title {
    text-align: center;
    font-size: 2.4rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 3rem;
}

.partners-section .section-title::after {
    content: "";
    display: block;
    width: 72px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, #00bfa5, #26a69a);
    margin: 1rem auto 0;
}

.partners-section .section-subtitle {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    margin-top: -1.5rem;
    margin-bottom: 2.5rem;
    font-size: 1rem;
}

.partners-content {
    position: relative;
    overflow: hidden;
    padding-bottom: 1.5rem;
}

.partner-list {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    animation-duration: var(--dur, 40s);
}

.partner-list.scroll-ltr {
    animation-name: scroll-ltr;
}

.partner-list.scroll-rtl {
    animation-name: scroll-rtl;
}

.partner-list li {
    flex: 0 0 auto;
    width: var(--imgW, 160px);
    height: 80px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease, border 0.3s ease;
}

.partner-list li:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 191, 165, 0.5);
}

.partner-list img {
    max-width: 100%;
    max-height: 60px;
    object-fit: contain;
    filter: grayscale(90%);
    opacity: 0.7;
    transition: filter 0.3s ease, opacity 0.3s ease;
}

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

.partners-mask {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 200px;
    pointer-events: none;
    z-index: 5;
}

.partners-mask.left {
    left: 0;
    background: linear-gradient(90deg, #0c0f14, rgba(12, 15, 20, 0));
}

.partners-mask.right {
    right: 0;
    background: linear-gradient(-90deg, #0c0f14, rgba(12, 15, 20, 0));
}

@keyframes scroll-ltr {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(var(--trans, -1800px));
    }
}

@keyframes scroll-rtl {
    from {
        transform: translateX(var(--trans, -1800px));
    }

    to {
        transform: translateX(0);
    }
}

.footer {
    background: #1a1a1a;
    color: #fff;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-info h3 {
    color: #00BFA5;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.footer-description {
    color: #b3b3b3;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 14px;
}

.footer-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.keyword-tag {
    background: rgba(0, 191, 165, 0.1);
    color: #00BFA5;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 14px;
    border: 1px solid rgba(0, 191, 165, 0.2);
}

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

.footer-contact h4 {
    color: #fff;
    font-size: 14px;
    margin-bottom: 1.5rem;
}

.contact-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
}

.qr-code {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    border: 2px solid rgba(0, 191, 165, 0.3);
    padding: 4px;
    background: #fff;
}

.qr-description {
    color: #00BFA5;
    font-weight: 600;
    font-size: 14px;
}

.qr-subtitle {
    color: #b3b3b3;
    font-size: 14px;
    margin: 0;
    line-height: 1.4;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-links h4 {
    color: #fff;
    font-size: 14px;
    margin-bottom: 1rem;
}

.footer-links a {
    display: block;
    color: #b3b3b3;
    margin-bottom: 0.5rem;
    font-size: 14px;
}

.footer-links a:hover {
    color: #00BFA5;
}

.footer-seo {
    background: rgba(0, 191, 165, 0.05);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    border: 1px solid rgba(0, 191, 165, 0.1);
}

.seo-content p {
    color: #d9d9d9;
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 14px;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 1rem;
    text-align: center;
    color: #666;
    font-size: 14px;
}

.seo-tags {
    color: #888;
    font-size: 14px;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #00BFA5, #26A69A);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 191, 165, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
    color: #fff;
    opacity: 0;
    pointer-events: none;
}

.back-to-top.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 191, 165, 0.4);
    background: linear-gradient(45deg, #26A69A, #00BFA5);
}

.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.65);
    z-index: 1100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 20px;
}

.modal.is-active {
    opacity: 1;
    pointer-events: auto;
}

.modal-dialog {
    background: #fff;
    border-radius: 16px;
    max-width: 480px;
    width: 100%;
    padding: 32px;
    position: relative;
}

.modal-header {
    margin-bottom: 1.5rem;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.3rem;
    color: #00BFA5;
}

.modal-close {
    position: absolute;
    right: 18px;
    top: 12px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #999;
}

.modal-close:hover {
    color: #00BFA5;
}

.login-form-modal .form-field {
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
}

.login-form-modal .input-label {
    color: #333;
    font-size: 14px;
    margin-bottom: 8px;
    font-weight: 500;
}

.login-form-modal select,
.login-form-modal input {
    height: 40px;
    border-radius: 6px;
    border: 1px solid #dcdfe6;
    padding: 0 12px;
    transition: all 0.3s;
    font-size: 14px;
}

.login-form-modal select:focus,
.login-form-modal input:focus {
    border-color: #00BFA5;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 191, 165, 0.1);
}

.login-form-modal .form-actions {
    margin-top: 10px;
}

.login-form-modal button {
    width: 100%;
    height: 45px;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    background: #00BFA5;
    color: #fff;
    cursor: pointer;
    transition: background 0.3s ease;
}

.login-form-modal button:hover {
    background: #26A69A;
}

.modal-qr img {
    width: 80%;
    max-width: 280px;
    display: block;
    margin: 0 auto 1rem;
}

.modal-qr p {
    text-align: center;
    color: #666;
    margin-bottom: 0.5rem;
}

.version-list {
    max-height: 400px;
    overflow-y: auto;
}

.version-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #eee;
}

.version-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.version-item h4 {
    color: #00BFA5;
    margin-bottom: 0.3rem;
}

.version-item ul {
    padding-left: 18px;
    color: #555;
}

@media (max-width: 1024px) {
    .hero-content,
    .benefits-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .nav-menu {
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hero-title {
        font-size: 2.2rem;
    }

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

    .pricing-grid {
        flex-direction: column;
        align-items: center;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}
.home-hero {
    background: linear-gradient(135deg, #04121e 0%, #053552 40%, #066c7a 100%);
    color: #fff;
    padding: 140px 0 90px;
}

.home-hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: center;
}

.home-hero-eyebrow {
    font-size: 0.95rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #7ff2e0;
    margin-bottom: 0.6rem;
}

.home-hero-title {
    font-size: 3rem;
    line-height: 1.15;
    margin-bottom: 1rem;
}

.home-hero-title .highlight {
    color: #00ffbf;
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
    -webkit-text-fill-color: currentColor;
}

.home-hero-subtitle {
    font-size: 1.15rem;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.86);
    margin-bottom: 1.5rem;
}

.home-hero-subtitle strong {
    color: #7ff2e0;
    font-weight: 600;
}

.home-hero-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.1rem;
    margin-bottom: 1.8rem;
}

.home-hero-metrics-item strong {
    display: block;
    font-size: 1.9rem;
    font-weight: 700;
    color: #7ff2e0;
    margin-bottom: 0.25rem;
}

.home-hero-metrics-item span {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
}

.home-hero-ctas {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    color: rgba(255, 255, 255, 0.78);
}

.home-hero-ctas .btn-primary {
    border-radius: 999px;
    background: linear-gradient(120deg, #00e0ba, #00ff88);
    color: #03211b;
    padding: 0.9rem 2.4rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
}

.home-hero-ctas-note {
    font-size: 0.9rem;
}

.home-hero-board {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.home-hero-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 18px;
    padding: 1.5rem 1.6rem;
}

.home-hero-card.highlight {
    background: rgba(0, 255, 162, 0.18);
    border-color: rgba(0, 255, 162, 0.4);
}

.home-hero-card h4 {
    margin-bottom: 0.4rem;
    font-size: 1.05rem;
}

.home-hero-card p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.84);
}

@media (max-width: 900px) {
    .home-hero-inner {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .home-hero {
        padding: 110px 0 70px;
    }

    .home-hero-title {
        font-size: 2.2rem;
    }

    .home-hero-ctas {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* 首页价格体系卡片桌面端一行展示 */
#pricing .pricing-grid {
    flex-wrap: nowrap;
    justify-content: space-between;
}
@media (max-width: 768px) {
    /* 小屏仍然允许换行，避免挤压 */
    #pricing .pricing-grid {
        flex-wrap: wrap;
        justify-content: center;
    }
}