/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f7fa;
}

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

/* 顶部导航 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 15px 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 35px;
    margin-left: 60px;
}

.nav-link {
    color: #1d1d1f;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
    padding: 5px 0;
    white-space: nowrap;
}

.nav-link:hover {
    color: #0066cc;
}

.nav-link.active {
    color: #0066cc;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: #0066cc;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #ff6b00;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    flex-shrink: 0;
    margin-left: auto;
    padding: 8px 0;
    transition: all 0.3s;
}

.header-phone:hover {
    color: #ff8533;
}

.phone-icon {
    font-size: 24px;
    font-weight: normal;
    animation: phoneRing 2s ease-in-out infinite;
}

@keyframes phoneRing {
    0%, 100% {
        transform: rotate(0deg);
    }
    10%, 30% {
        transform: rotate(-15deg);
    }
    20%, 40% {
        transform: rotate(15deg);
    }
    50% {
        transform: rotate(0deg);
    }
}

.phone-label {
    font-size: 16px;
    font-weight: 500;
    color: #666;
}

.phone-number {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* 第一屏：首屏 - Apple风格 */
.hero-section {
    margin-top: 70px;
    position: relative;
    color: #1d1d1f;
    padding: 0;
    min-height: 85vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(180deg, #f5f7fa 0%, #ffffff 100%);
}

.hero-bg-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 20% 30%, rgba(0, 102, 204, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 70%, rgba(0, 153, 255, 0.06) 0%, transparent 50%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    padding: 60px 0;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(0, 102, 204, 0.08);
    border: 1px solid rgba(0, 102, 204, 0.15);
    border-radius: 30px;
    font-size: 13px;
    letter-spacing: 1px;
    margin-bottom: 30px;
    color: #0066cc;
    font-weight: 500;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: 45px;
    line-height: 1.1;
    margin-bottom: 80px;
    font-weight: 700;
    letter-spacing: 10px;
    color: #1d1d1f;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.title-line {
    display: block;
}
.title-line2 { font-size: 25px;color: #0052a3;
    
}
.hero-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    color: #6e6e73;
    line-height: 1.6;
    font-weight: 400;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.features-list {
    list-style: none;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.feature-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 18px;
    color: #1d1d1f;
}

.feature-list-item:last-child {
    margin-bottom: 0;
}

.feature-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
    color: #fff;
    border-radius: 50%;
    font-size: 14px;
    font-weight: bold;
    flex-shrink: 0;
}

.feature-text {
    font-weight: 400;
    line-height: 1.5;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.8s backwards;
}

.btn {
    padding: 16px 32px;
    border: none;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn span {
    position: relative;
    z-index: 1;
}

.btn-primary {
    background: linear-gradient(135deg, #ff6b00 0%, #ff8533 100%);
    color: #fff;
    box-shadow: 0 6px 24px rgba(255, 107, 0, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 35px rgba(255, 107, 0, 0.5);
}

.btn-arrow {
    font-size: 20px;
    transition: transform 0.3s;
}

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

.btn-secondary {
    background: #fff;
    color: #0066cc;
    border: 2px solid #e5e5e7;
}

.btn-secondary:hover {
    background: #f5f5f7;
    border-color: #d2d2d7;
    transform: translateY(-2px);
}

.btn-phone {
    background: linear-gradient(135deg, #00c853 0%, #00e676 100%);
    color: #fff;
    box-shadow: 0 6px 24px rgba(0, 200, 83, 0.4);
    font-weight: 700;
}

.btn-phone:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 35px rgba(0, 200, 83, 0.5);
}

.btn-icon {
    font-size: 18px;
}

.btn-large {
    padding: 20px 50px;
    font-size: 19px;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    animation: fadeInRight 1s ease-out 0.5s backwards;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.product-image-container {
    position: relative;
    width: 100%;
    max-width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 20px 0;
}

.product-image-large {
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: contain;
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.15));
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 10;
    animation: fadeIn 1s ease-out 1.5s backwards;
}

.scroll-text {
    font-size: 12px;
    color: #86868b;
    margin-bottom: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-arrow {
    font-size: 24px;
    color: #86868b;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 信任背书条 */
.trust-bar {
    background: #fff;
    padding: 35px 0;
    border-top: 1px solid #e5e5e7;
    border-bottom: 1px solid #e5e5e7;
}

.trust-items {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 25px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 25px;
}

.trust-label {
    font-size: 20px;
    color: #1d1d1f;
    font-weight: 500;
    white-space: nowrap;
}

.trust-separator {
    color: #d2d2d7;
    font-weight: 300;
    font-size: 20px;
}

.trust-item:last-child .trust-separator {
    display: none;
}

/* 第二屏：优势 */
.features-section {
    padding: 80px 0;
    background: #fff;
}

.section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 50px;
    color: #0066cc;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.feature-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    border: 1px solid #f0f0f0;
}

.feature-card:hover {
    border-color: rgba(0, 102, 204, 0.2);
}

.feature-number {
    font-size: 48px;
    font-weight: 700;
    color: rgba(0, 102, 204, 0.1);
    line-height: 1;
    margin-bottom: 20px;
    transition: all 0.4s;
}

.feature-card:hover .feature-number {
    color: rgba(0, 102, 204, 0.2);
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #1d1d1f;
    font-weight: 600;
}

.feature-card p {
    font-size: 15px;
    color: #6e6e73;
    line-height: 1.8;
}

.product-showcase {
    margin-bottom: 50px;
    padding: 50px 0;
}

.showcase-title {
    text-align: center;
    font-size: 28px;
    color: #1d1d1f;
    margin-bottom: 40px;
    font-weight: 600;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.product-item {
    background: #fff;
    border-radius: 15px;
    padding: 25px 20px;
    text-align: center;
}

.product-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.product-img {
    width: 100%;
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    overflow: hidden;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-item h4 {
    font-size: 18px;
    color: #1d1d1f;
    margin-bottom: 8px;
    font-weight: 600;
}

.product-item p {
    font-size: 14px;
    color: #86868b;
}

.cta-center {
    text-align: center;
}

.cta-center .btn {
    display: inline-flex;
}

/* 第三屏：企业背书 */
.company-section {
    padding: 80px 0;
    background: #fff;
}

.company-intro-text {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 60px;
}

.company-name {
    font-size: 32px;
    color: #1d1d1f;
    margin-bottom: 20px;
    font-weight: 600;
}

.company-desc {
    font-size: 17px;
    color: #6e6e73;
    line-height: 1.8;
}

.company-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 80px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.company-feature-item {
    text-align: center;
    padding: 30px 20px;
}

.feature-num {
    font-size: 48px;
    font-weight: 700;
    color: #0066cc;
    margin-bottom: 10px;
    line-height: 1;
}

.feature-label {
    font-size: 16px;
    color: #6e6e73;
}

/* 视频展示区域 */
.video-section {
    margin: 60px 0;
    text-align: center;
}

.video-container {
    max-width: 900px;
    margin: 0 auto;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    background: #000;
}

.product-video {
    width: 100%;
    height: auto;
    display: block;
}

.video-caption {
    margin-top: 20px;
    font-size: 16px;
    color: #666;
    font-weight: 500;
}

.final-cta {
    background: #f0f7ff;
    padding: 60px 50px;
    border-radius: 20px;
    text-align: center;
    color: #1d1d1f;
}

.cta-title {
    font-size: 32px;
    margin-bottom: 15px;
    font-weight: 600;
    color: #1d1d1f;
}

.cta-urgency {
    font-size: 17px;
    margin-bottom: 35px;
    color: #6e6e73;
}

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

.cta-buttons-final .btn {
    min-width: 200px;
}

/* 悬浮按钮 */
.floating-buttons {
    position: fixed;
    right: 20px;
    bottom: 30px;
    z-index: 999;
}

.float-btn {
    position: relative;
    min-width: 120px;
    height: 50px;
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 20px;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    backdrop-filter: blur(10px);
}

.consult-btn {
    background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
    color: #fff;
}

.float-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(0, 102, 204, 0.4);
}

.message-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #ff4444;
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 12px;
    line-height: 1.2;
    box-shadow: 0 2px 8px rgba(255, 68, 68, 0.4);
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.15);
    }
}

.consult-text {
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
}

.float-btn .text {
    display: none;
}

/* 弹窗样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1999;
    right: 20px;
    bottom: 100px;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: #fff;
    padding: 30px 35px;
    border-radius: 20px;
    width: 520px;
    position: relative;
    animation: slideUp 0.3s;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    border: 1px solid #e5e5e7;
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close {
    position: absolute;
    right: 15px;
    top: 12px;
    font-size: 28px;
    font-weight: bold;
    color: #999;
    cursor: pointer;
    transition: color 0.3s;
    line-height: 1;
}

.close:hover {
    color: #333;
}

.modal-content h3 {
    text-align: center;
    font-size: 22px;
    margin-bottom: 25px;
    color: #1d1d1f;
    font-weight: 600;
}

.consult-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
}

.consult-left {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-label {
    font-size: 16px;
    font-weight: 600;
    color: #1d1d1f;
}

.contact-phone {
    font-size: 24px;
    color: #0066cc;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: color 0.3s;
}

.contact-phone:hover {
    color: #0052a3;
}

.contact-desc {
    font-size: 14px;
    color: #86868b;
    margin-bottom: 8px;
}

.btn-contact {
    width: 100%;
    padding: 13px 24px;
    font-size: 15px;
}

.consult-right {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.qrcode-display {
    width: 170px;
    height: 170px;
    margin: 15px 0 12px;
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e5e7;
}

.qrcode-hint {
    font-size: 14px;
    color: #86868b;
}

.qrcode-container {
    text-align: center;
    padding: 30px;
}

.qrcode-img {
    width: 200px;
    height: 200px;
    margin: 0 auto 20px;
    display: block;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.phone-text {
    margin-top: 20px;
    color: #ff6b00;
    font-weight: bold;
    font-size: 16px;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero-title {
        font-size: 42px;
        letter-spacing: -1px;
    }

    .hero-subtitle {
        font-size: 17px;
    }

    .features-list {
        margin-bottom: 30px;
    }

    .feature-list-item {
        font-size: 16px;
        margin-bottom: 14px;
    }

    .feature-check {
        width: 22px;
        height: 22px;
        font-size: 13px;
    }

    .product-image-container {
        max-width: 100%;
        padding: 20px 0;
    }

    .product-image-large {
        max-width: 100%;
    }

    .section-title {
        font-size: 24px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .product-showcase {
        padding: 30px 20px;
    }

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

    .product-img {
        height: 150px;
    }

    .showcase-title {
        font-size: 22px;
    }

    .company-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
        margin-bottom: 60px;
    }

    .feature-num {
        font-size: 40px;
    }

    .final-cta {
        padding: 40px 30px;
    }

    .cta-title {
        font-size: 26px;
    }

    .cta-urgency {
        font-size: 15px;
    }

    .cta-buttons,
    .cta-buttons-final {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .modal {
        right: 10px;
        bottom: 80px;
        left: 10px;
    }

    .modal-content {
        width: auto;
        margin: 0;
        padding: 25px 20px;
    }

    .modal-content h3 {
        font-size: 20px;
        margin-bottom: 20px;
    }

    .consult-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .consult-left {
        gap: 25px;
    }

    .contact-label {
        font-size: 17px;
    }

    .contact-phone {
        font-size: 24px;
    }

    .contact-desc {
        font-size: 14px;
    }

    .btn-contact {
        padding: 13px 24px;
        font-size: 15px;
    }

    .qrcode-display {
        width: 180px;
        height: 180px;
        margin: 15px 0 12px;
    }

    .qrcode-hint {
        font-size: 14px;
    }

    .floating-buttons {
        right: 15px;
        bottom: 60px;
    }

    .float-btn {
        width: 55px;
        height: 55px;
    }

    .header-phone {
        font-size: 15px;
        padding: 6px 12px;
        gap: 4px;
    }

    .phone-label {
        display: none;
    }

    .phone-number {
        font-size: 17px;
    }

    .phone-icon {
        font-size: 20px;
    }

    .nav-menu {
        display: none;
    }

    .logo-img {
        height: 32px;
    }

    .hero-section {
        padding: 40px 0;
    }

    .features-section,
    .company-section {
        padding: 50px 0;
    }

    .product-showcase {
        padding: 30px 20px;
    }

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

    .product-img {
        height: 150px;
    }

    .showcase-title {
        font-size: 22px;
    }

    .final-cta {
        padding: 30px 20px;
    }

    .trust-elements {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 22px;
    }

    .btn {
        padding: 14px 28px;
        font-size: 15px;
    }

    .btn-large {
        padding: 16px 35px;
        font-size: 16px;
    }

    .data-value {
        font-size: 24px;
    }

    .hero-badge {
        font-size: 12px;
        padding: 6px 16px;
    }
}

/* 页脚样式 */
.footer {
    background: #1d1d1f;
    padding: 30px 0;
}

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

.copyright {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 20px;
    font-size: 14px;
    color: #86868b;
}

.footer-link {
    color: #86868b;
    text-decoration: none;
    transition: color 0.3s;
    white-space: nowrap;
}

.footer-link:hover {
    color: #fff;
}

@media (max-width: 768px) {
    .footer {
        padding: 25px 0;
    }

    .copyright {
        flex-direction: column;
        gap: 12px;
        font-size: 13px;
    }
}