/* ============ 首页 HERO 轮播 ============ */
.hero-carousel {
    position: relative;
    height: 100vh;
    min-height: 640px;
    overflow: hidden;
}

.carousel-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1.2s ease;
    pointer-events: none;
}

.carousel-slide.active {
    opacity: 1;
    pointer-events: auto;
}

.carousel-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1.08);
    transition: transform 8s ease;
}

.carousel-slide.active .carousel-bg {
    transform: scale(1);
}

.carousel-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(30, 50, 80, 0.6) 0%, rgba(30, 136, 229, 0.4) 50%, rgba(30, 50, 80, 0.55) 100%);
}

.carousel-content {
    position: relative;
    z-index: 3;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 80px;
    padding-right: 30%;
}

.hero-label {
    display: inline-block;
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 6px;
    margin-bottom: 28px;
    padding-bottom: 12px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
    width: fit-content;
    opacity: 0;
    transform: translateY(20px);
    animation: heroIn 1s ease 0.3s forwards;
}

.carousel-slide.active .hero-label {
    animation: heroIn 1s ease 0.3s forwards;
}

.carousel-slide.active .hero-title {
    animation: heroIn 1s ease 0.5s forwards;
}

.carousel-slide.active .hero-subtitle {
    animation: heroIn 1s ease 0.7s forwards;
}

.carousel-slide.active .hero-btns {
    animation: heroIn 1s ease 0.9s forwards;
}

@keyframes heroIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    color: #fff;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 28px;
    max-width: 720px;
    opacity: 0;
    transform: translateY(20px);
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin-bottom: 44px;
    max-width: 640px;
    opacity: 0;
    transform: translateY(20px);
}

.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
}

/* Carousel controls */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    transition: all 0.3s ease;
    cursor: pointer;
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: 32px;
}

.carousel-next {
    right: 32px;
}

.carousel-dots {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 5;
}

.carousel-dot {
    width: 40px;
    height: 4px;
    background: rgba(255, 255, 255, 0.35);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dot.active {
    background: #fff;
    width: 64px;
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 32px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 11px;
    letter-spacing: 3px;
    z-index: 5;
}

.scroll-line {
    display: block;
    width: 40px;
    height: 1px;
    background: rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    inset: 0;
    background: #fff;
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% {
        transform: translateX(-100%);
    }

    50%,
    100% {
        transform: translateX(100%);
    }
}

@media (max-width: 900px) {
    .hero-title {
        font-size: 42px;
    }

    .hero-subtitle {
        font-size: 15px;
    }

    .carousel-prev {
        left: 16px;
    }

    .carousel-next {
        right: 16px;
    }

    .carousel-btn {
        width: 44px;
        height: 44px;
    }

    .carousel-dots {
        bottom: 60px;
    }

    .hero-scroll {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-carousel {
        min-height: 560px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-label {
        font-size: 12px;
        letter-spacing: 3px;
    }
}

/* ============ 服务 GRID ============ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    position: relative;
    padding: 44px 36px 40px;
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: block;
    color: inherit;
    border: 1px solid rgba(30, 136, 229, 0.08);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

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

.service-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--primary-lighter) 0%, #D0E4F5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(30, 136, 229, 0.3);
}

.service-num {
    position: absolute;
    top: 32px;
    right: 36px;
    font-size: 36px;
    font-weight: 800;
    color: #F0F4FA;
    letter-spacing: -2px;
    transition: var(--transition);
}

.service-card:hover .service-num {
    color: rgba(30, 136, 229, 0.15);
}

.service-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 14px;
}

.service-desc {
    font-size: 14.5px;
    color: var(--text-light);
    line-height: 1.75;
    margin-bottom: 24px;
}

.service-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

.service-card:hover .service-cta {
    gap: 14px;
}

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* ============ ABOUT 关于我们 专区 ============ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 80px;
    align-items: center;
}

.about-visual {
    position: relative;
    min-height: 540px;
}

.about-image-main {
    width: 100%;
    height: 480px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(30, 136, 229, 0.2);
}

.about-image-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-image-sub {
    position: absolute;
    right: -40px;
    bottom: 0;
    width: 240px;
    height: 220px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    border: 8px solid #fff;
}

.about-image-sub img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.experience-badge {
    position: absolute;
    left: -30px;
    top: 40px;
    background: #fff;
    padding: 24px 28px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 16px 40px rgba(30, 136, 229, 0.18);
    border-left: 4px solid var(--primary);
}

.exp-num {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.exp-text {
    font-size: 14px;
    color: var(--text-regular);
    font-weight: 600;
    line-height: 1.4;
}

.about-content .section-label {
    display: inline-block;
    margin-bottom: 20px;
    position: relative;
}

.about-title {
    font-size: 40px;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.about-desc {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 36px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 40px;
}

.about-feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 16px;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.about-feature:hover {
    background: var(--primary-lighter);
}

.about-feat-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--primary-lighter);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}

.about-feature:hover .about-feat-icon {
    background: var(--primary);
    color: #fff;
}

.about-feat-icon svg {
    width: 24px;
    height: 24px;
}

.about-feature h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.about-feature p {
    font-size: 13px;
    color: var(--text-light);
    margin: 0;
}

.about-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .about-visual {
        min-height: 440px;
    }

    .about-image-main {
        height: 420px;
    }

    .about-image-sub {
        right: 0;
    }

    .experience-badge {
        left: 0;
    }

    .about-title {
        font-size: 32px;
    }
}

@media (max-width: 640px) {
    .about-features {
        grid-template-columns: 1fr;
    }

    .about-image-sub {
        display: none;
    }

    .about-title {
        font-size: 28px;
    }
}

/* ============ 统计数据 ============ */
.stats-section {
    padding: 80px 0;
    background: url('../images/stats-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(227, 242, 253, 0.85) 0%, rgba(187, 222, 251, 0.8) 50%, rgba(227, 242, 253, 0.85) 100%);
    pointer-events: none;
}

.stats-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(33, 150, 243, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(33, 150, 243, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    color: var(--text-dark);
    padding: 32px 20px;
    position: relative;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -16px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60px;
    background: rgba(30, 136, 229, 0.2);
}

.stat-num {
    font-size: 56px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 12px;
    letter-spacing: -2px;
}

.stat-label {
    font-size: 15px;
    color: var(--text-regular);
    font-weight: 500;
    letter-spacing: 1px;
}

@media (max-width: 900px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .stat-item::after {
        display: none;
    }

    .stat-num {
        font-size: 44px;
    }
}

/* ============ 服务流程 ============ */
.process-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    position: relative;
}

.process-item {
    position: relative;
    text-align: center;
    padding: 40px 24px 32px;
    background: #fff;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    z-index: 2;
    border: 1px solid var(--border);
}

.process-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

.process-num {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: 800;
    box-shadow: 0 8px 20px rgba(30, 136, 229, 0.3);
}

.process-icon {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: var(--primary-lighter);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition);
}

.process-icon svg {
    width: 32px;
    height: 32px;
}

.process-item:hover .process-icon {
    background: var(--primary);
    color: #fff;
    transform: scale(1.1) rotate(-5deg);
}

.process-item h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.process-item p {
    font-size: 13.5px;
    color: var(--text-light);
    line-height: 1.7;
    margin: 0;
}

@media (max-width: 1024px) {
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 36px 24px;
    }
}

@media (max-width: 640px) {
    .process-grid {
        grid-template-columns: 1fr;
    }
}

/* ============ 快速检索入口 ============ */
.quick-entry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    position: relative;
    z-index: 2;
    margin-bottom: -60px;
}

.quick-entry-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 32px 32px;
    background: #fff;
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    box-shadow: 0 8px 30px rgba(30, 136, 229, 0.08);
    border: 1px solid rgba(30, 136, 229, 0.06);
}

.quick-entry-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(30, 136, 229, 0.15);
}

.quick-entry-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-lighter) 0%, #D0E4F5 100%);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: var(--transition);
}

.quick-entry-card:hover .quick-entry-icon {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    transform: scale(1.08);
    box-shadow: 0 8px 24px rgba(30, 136, 229, 0.35);
}

.quick-entry-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.quick-entry-btn {
    display: inline-block;
    padding: 8px 28px;
    background: var(--primary);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    border-radius: 100px;
    transition: var(--transition);
}

.quick-entry-card:hover .quick-entry-btn {
    background: var(--primary-dark);
    transform: scale(1.05);
}

@media (max-width: 1024px) {
    .quick-entry-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
        margin-bottom: -40px;
    }

    .quick-entry-card {
        padding: 32px 24px 28px;
    }

    .quick-entry-icon {
        width: 64px;
        height: 64px;
    }

    .quick-entry-title {
        font-size: 17px;
    }
}

@media (max-width: 640px) {
    .quick-entry-grid {
        grid-template-columns: 1fr;
        margin-bottom: -20px;
    }
}

/* ============ 重点服务推介（核心服务内） ============ */
.highlighted-services {
    margin-top: 60px;
    padding-top: 48px;
    border-top: 1px solid var(--border);
}

.highlighted-services .section-header {
    text-align: center;
    margin-bottom: 36px;
    padding-top: 0 !important;
}

.section-subtitle-alt {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-top: 12px;
    letter-spacing: 2px;
}

.service-group {
    margin-bottom: 48px;
}

.service-group:last-child {
    margin-bottom: 0;
}

.service-group-title {
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 24px;
    letter-spacing: 4px;
    position: relative;
}

.service-group-title::before,
.service-group-title::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary));
}

.service-group-title::before {
    right: calc(50% + 80px);
    transform: translateY(-50%);
}

.service-group-title::after {
    left: calc(50% + 80px);
    transform: translateY(-50%);
    background: linear-gradient(90deg, var(--primary), transparent);
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.highlight-card {
    position: relative;
    padding: 36px 20px 28px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    text-decoration: none;
    color: #fff;
    background: linear-gradient(135deg, #2196F3 0%, #1976D2 100%);
}

.highlight-card:nth-child(even) {
    background: linear-gradient(135deg, #42A5F5 0%, #1E88E5 100%);
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 30px 30px;
    pointer-events: none;
}

.highlight-card::after {
    content: '';
    position: absolute;
    top: -40%;
    right: -30%;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0) 65%);
    border-radius: 50%;
    pointer-events: none;
}

.highlight-card > .tech-corner {
    position: absolute;
    pointer-events: none;
    opacity: 0.25;
}

.highlight-card > .tech-corner.tl {
    top: 12px;
    left: 12px;
    width: 28px;
    height: 28px;
    border-top: 2px solid rgba(255, 255, 255, 0.6);
    border-left: 2px solid rgba(255, 255, 255, 0.6);
    border-top-left-radius: 6px;
}

.highlight-card > .tech-corner.br {
    bottom: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.6);
    border-right: 2px solid rgba(255, 255, 255, 0.6);
    border-bottom-right-radius: 6px;
}

.highlight-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(30, 136, 229, 0.35);
    background: linear-gradient(135deg, #42A5F5 0%, #1E88E5 100%);
}

.highlight-card:nth-child(even):hover {
    background: linear-gradient(135deg, #64B5F6 0%, #2196F3 100%);
}

.highlight-name {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    text-align: center;
}

.highlight-price {
    display: inline-block;
    font-size: 26px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
    text-align: center;
}

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

.highlight-cta span {
    display: inline-block;
    padding: 10px 28px;
    border: 2px solid rgba(255, 255, 255, 0.7);
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    transition: var(--transition);
}

.highlight-card:hover .highlight-cta span {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 1);
}

@media (max-width: 1024px) {
    .highlight-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 640px) {
    .highlight-grid {
        grid-template-columns: 1fr;
    }
}

/* ============ 首页案例 Swiper ============ */
.section-cases .container {
    position: relative;
}

.cases-swiper {
    position: relative;
    padding: 20px 0;
}

.cases-swiper .swiper-wrapper {
    align-items: stretch;
}

.cases-swiper .swiper-slide {
    height: auto;
    display: flex;
    justify-content: center;
}

/* 案例卡片 - 与 cases 页面一致 */
.cases-swiper .case-card {
    width: 100%;
    background: #fbfbfb;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    cursor: pointer;
    position: relative;
    aspect-ratio: 1;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 6px;
}

.cases-swiper .case-card:hover {
    transform: translateY(-12px) scale(1.05);
    box-shadow: 0 28px 56px rgba(30, 136, 229, 0.22);
    z-index: 2;
}

.cases-swiper .case-card-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
    border-radius: 12px;
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.cases-swiper .case-card:hover .case-card-img {
    transform: scale(1.1);
}

/* 底部悬浮标题区域 - 渐变背景 */
.cases-swiper .case-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px 28px 14px;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.85) 100%);
    transition: background 0.3s ease;
    z-index: 1;
}

.cases-swiper .case-card:hover .case-card-overlay {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.95) 100%);
}

.cases-swiper .case-card-overlay h4 {
    font-size: 15px;
    font-weight: 500;
    color: #fff;
    margin: 0;
    line-height: 1.5;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    text-align: center;
}

/* 悬浮提示 tooltip */
.cases-swiper .case-card-tooltip {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(30, 136, 229, 0.95);
    color: #fff;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 10;
    pointer-events: none;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(30, 136, 229, 0.3);
}

.cases-swiper .case-card-tooltip::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid rgba(30, 136, 229, 0.95);
}

.cases-swiper .case-card:hover .case-card-tooltip {
    opacity: 1;
    visibility: visible;
}

.cases-swiper-outer-wrapper {
    position: relative;
}

/* Swiper 导航按钮 - 位于轮播容器外侧 */
.cases-swiper-outer-wrapper .swiper-button-prev,
.cases-swiper-outer-wrapper .swiper-button-next {
    position: absolute;
    z-index: 10;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #f0f4f8;
    color: #5a8cb8;
    transition: all 0.25s ease;
    top: 50%;
    margin-top: -24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.cases-swiper-outer-wrapper .swiper-button-prev::after,
.cases-swiper-outer-wrapper .swiper-button-next::after {
    font-size: 16px;
    font-weight: bold;
}

.cases-swiper-outer-wrapper .swiper-button-prev:hover,
.cases-swiper-outer-wrapper .swiper-button-next:hover {
    background: #e2edf7;
    color: var(--primary);
    transform: scale(1.08);
}

.cases-swiper-outer-wrapper .swiper-button-prev {
    left: -64px;
}

.cases-swiper-outer-wrapper .swiper-button-next {
    right: -64px;
}

/* Swiper 分页指示器 */
.cases-swiper .swiper-pagination {
    position: relative;
    margin-top: 32px;
}

.cases-swiper .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: rgba(30, 136, 229, 0.25);
    opacity: 1;
    transition: all 0.3s ease;
}

.cases-swiper .swiper-pagination-bullet-active {
    background: var(--primary);
    width: 28px;
    border-radius: 4px;
}

@media (max-width: 1024px) {
    .cases-swiper {
        padding: 20px 0;
    }

    .cases-swiper .swiper-button-prev,
    .cases-swiper .swiper-button-next {
        width: 42px;
        height: 42px;
        margin-top: -21px;
    }

    .cases-swiper .swiper-button-prev::after,
    .cases-swiper .swiper-button-next::after {
        font-size: 14px;
    }
}

@media (max-width: 1440px) {
    .cases-swiper-outer-wrapper .swiper-button-prev {
        left: 0px;
    }

    .cases-swiper-outer-wrapper .swiper-button-next {
        right: 0px;
    }
}

@media (max-width: 640px) {
    .cases-swiper {
        padding: 20px 0;
    }

    .cases-swiper .swiper-button-prev,
    .cases-swiper .swiper-button-next {
        width: 36px;
        height: 36px;
        margin-top: -18px;
    }

    .cases-swiper .swiper-button-prev::after,
    .cases-swiper .swiper-button-next::after {
        font-size: 12px;
    }

    .cases-swiper .swiper-button-prev {
        left: -40px;
    }

    .cases-swiper .swiper-button-next {
        right: -40px;
    }

    .cases-swiper .case-card-overlay h4 {
        font-size: 13px;
    }
}

/* ============ CTA 专区 ============ */
.cta-section {
    background: url('../images/cta-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(66, 165, 245, 0.9) 0%, rgba(30, 136, 229, 0.92) 50%, rgba(25, 118, 210, 0.9) 100%);
    pointer-events: none;
}

.cta-section::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-inner {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 80px 0;
    gap: 40px;
    flex-wrap: wrap;
}

.cta-content h2 {
    font-size: 38px;
    font-weight: 800;
    color: #fff;
    line-height: 1.25;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.cta-content p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.cta-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

@media (max-width: 900px) {
    .cta-inner {
        flex-direction: column;
        text-align: center;
        padding: 60px 0;
    }

    .cta-content h2 {
        font-size: 28px;
    }
}