/* ========== 全局基础优化【重点】 ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
   
}


body {
    background-color: #f8f9fa;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 内容容器：最大宽度1320px 居中，所有模块内部内容都用这个容器 */
.wrap {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== Banner 背景100%全屏 红橙渐变 ========== */
.banner {
    width: 100%;
    background: linear-gradient(135deg, #d82c20 0%, #ff6b2b 100%);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
    color: #fff;
}

    .banner::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.05);
        animation: bgShine 8s linear infinite;
    }

@keyframes bgShine {
    0% {
        transform: translateX(-100%) skewX(-20deg);
    }

    100% {
        transform: translateX(200%) skewX(-20deg);
    }
}

.banner-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}

.banner-left {
    flex: 1;
    padding-right: 40px;
    animation: fadeInLeft 1s ease-out;
}

.banner-top-text {
    font-size: 20px;
    margin-bottom: 16px;
    opacity: 0.95;
    letter-spacing: 1px;
    color: #fff
}

.banner-main-text {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.banner-desc-text {
    font-size: 16px;
    opacity: 0.9;
    line-height: 1.8;
    margin-bottom: 30px;
    color: #fff
}
/* Banner 按钮组 */
.banner-btns {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.btns {
    padding: 12px 28px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.reg {
    margin-top: 25px;
}

.btns1 {
    padding: 7px 13px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btns-primary {
    background: #fff;
    color: #d82c20;
    font-weight: 600;
}

.btns-primary1 {
    background: #d82c20;
    color: #fff;
    font-weight: 600;
}

.btns-primary:hover {
    background: #f5f5f5;
    transform: translateY(-2px);
}

.btns-success {
    background: #0977ff;
    color: #fff;
    font-weight: 600;
}

    .btns-success:hover {
        background: #059669;
        transform: translateY(-2px);
    }

.wechat-link {
    padding: 12px 28px;
    border-radius: 6px;
    font-size: 16px;
    text-decoration: none;
    color: rgba(255,255,255,0.7);
    border: 1px solid rgba(255,255,255,0.4);
    transition: all 0.3s ease;
}

    .wechat-link:hover {
        color: #fff;
        border-color: rgba(255,255,255,0.8);
    }



    .banner-right img {
        width: 100%;
        height: auto;
        border-radius: 8px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    }

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

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

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

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

/* ========== 核心特点 ========== */
.feature-section {
    width: 100%;
    background: #f8f8f8;
    padding: 60px 0;
}

.section-title-box {
    text-align: center;
    margin-bottom: 30px;
}

.section-main-title {
    font-size: 32px;
    background: linear-gradient(90deg, #d82c20, #ff6b2b);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 16px;
    color: #666;
    max-width: 1200px;
    margin: 0 auto;
    line-height: 1.8;
}

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

.feature-card {
    background: #fff;
    padding: 40px 25px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(216, 44, 32, 0.1);
    transition: all 0.4s ease;
    border: 1px solid #f0f0f0;
    animation: cardFade 0.8s ease forwards;
    opacity: 0;
}

    .feature-card:nth-child(1) {
        animation-delay: 0.1s;
    }

    .feature-card:nth-child(2) {
        animation-delay: 0.2s;
    }

    .feature-card:nth-child(3) {
        animation-delay: 0.3s;
    }

    .feature-card:nth-child(4) {
        animation-delay: 0.4s;
    }

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

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

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 35px rgba(216, 44, 32, 0.2);
    border-color: #ff6b2b;
}

.card-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
    background: linear-gradient(90deg, #d82c20, #ff6b2b);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.card-desc {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
}

/* ========== 核心内容区块 ========== */
.content-item {
    width: 100%;
    padding: 70px 0;
    transition: background 0.5s ease;
}

    .content-item.bg-type2 {
        background: #fdf5f6;
    }

    .content-item.bg-type1 {
        background: #ffffff;
    }

.content-inner {
    display: flex;
    align-items: center;
    gap: 50px;
}

.content-text {
    flex: 1;
}

    .content-text li {
        list-style: none;
        margin-bottom: 12px;
        color: #6b7280;
        font-size: 15px;
        text-align: left;
        line-height: 2;
    }

.content-video {
    flex: 0 0 580px;
    cursor: pointer;
}

    .content-video img {
        width: 100%;
        border-radius: 15px;
    }

        .content-video img:hover {
            box-shadow: 2px 2px 5px rgba(0,0,0,0.2)
        }

    .content-video video {
        width: 100%;
        border-radius: 10px;
        box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        outline: none;
    }

.content-main-title {
    font-size: 30px;
    color: #222;
    margin-bottom: 20px;
}

.content-desc {
    font-size: 16px;
    color: #555;
    margin-bottom: 25px;
    line-height: 1.9;
    text-align:left
}

.tag-text {
    font-size: 36px;
    font-weight: 700;
    color: #d82c20;
    display: inline-block;
    margin-right: 10px;
}

.normal-text {
    font-size: 20px;
    color: #333;
}

/* 案例滚动 */
.containersolutions {
    max-width: 1280px;
    margin: 0 auto;
}

.case-section {
    padding: 70px 0 20px 0;
    background: white;
}

    .case-section h2 {
        text-align: center;
        font-size: 30px;
        margin-bottom: 40px;
    }

/* 外层容器：隐藏溢出 + 宽度 */
.logo-scroll {
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
}

.scroll-wrapper {
    display: flex;
    align-items: center;
    gap: 30px;
    width: max-content;
    animation: scroll 20s linear infinite;
}

    .scroll-wrapper:hover {
        animation-play-state: paused;
    }

.logo-item {
    display: inline-block;
    cursor: pointer
}

    .logo-item img {
        height: 110px;
        width: auto;
        display: block;
    }

@keyframes scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}
/* 流动边框动画 */
@keyframes border-flow {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.flow-border {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
}

    .flow-border::before {
        content: '';
        position: absolute;
        top: -2px;
        left: -2px;
        right: -2px;
        bottom: -2px;
        background: linear-gradient(90deg, #4f46e5, #06b6d4, #10b981, #4f46e5);
        background-size: 300% 100%;
        z-index: -1;
        animation: border-flow 3s linear infinite;
    }

.look {
    color: #808080;
    font-size: 16px;
    margin-left: 20px;
    text-decoration: none;
}

    .look:hover {
        color: #ff0000
    }

/* FAQ 手风琴 */
.faq-section {
    padding: 80px 0;
    background: white;
}

.faq-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 30px;
}

.faq-item {
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-question {
    padding: 18px 24px;
    background: #f9fafb;
    width: 100%;
    text-align: left;
    border: none;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    color: #4b5563;
    line-height: 30px;
}

    .faq-answer.show {
        padding: 16px 24px;
        max-height: 1000px;
        font-size: 15px;
    }

.arrow {
    transition: 0.3s;
}

    .arrow.rotate {
        transform: rotate(180deg);
    }

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

    table td, table th {
        border: 1px solid #e5e7eb;
        padding: 10px;
        text-align: left;
    }

    table th {
        background: #f3f4f6;
    }
@media (min-width: 692px) {
    .content-item.reverse .content-inner {
        flex-direction: row-reverse;
    }
    .banner-right {
        flex: 0 0 580px;
        animation: fadeInRight 1s ease-out;
    }
}
/* ========== 响应式媒体查询【重点优化】 ========== */
@media (max-width: 992px) {
    .banner {
        padding: 80px 0;
    }

    .banner-inner, .content-inner {
        flex-direction: column;
        text-align: center;
    }

    .banner-left {
        padding-right: 0;
        margin-bottom: 30px;
    }

    .banner-btns {
        justify-content: center;
        flex-wrap: wrap;
    }

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

    .content-video {
        width: 100%;
        flex: none;
        margin-top: 30px;
    }
    /* 反向布局重置 */
    .content-item.reverse .content-inner {
        flex-direction: column;
    }

    .scroll-wrapper .logo-item img {
        height: 80px;
    }

    .content-inner {
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .section-desc {
        font-size: 15px !important;
        color: #666 !important;
        
        margin: 0 6px;
        line-height: 2;
        text-align: left;
    }
    .btns-primary{
        display:none
    }
    .banner-right {
        display: none
    }
    .wrap {
        padding: 0 10px;
    }

    .banner {
        padding: 80px 0 30px;
    }

    .feature-section {
        padding: 80px 0 30px;
       
    }

    .content-item {
        padding: 45px 0;
    }

    .case-section {
        padding: 40px 0 10px;
    }

    .faq-section {
        padding: 50px 0 100px;
    }

    .section-main-title {
        font-size: 26px;
    }

    .content-main-title {
        font-size: 24px;
    }

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

    .feature-card {
        padding: 28px 20px;
    }
}

@media (max-width: 576px) {
    .banner-main-text {
        font-size: 26px;
    }

    .banner-top-text {
        font-size: 17px;
    }

    .feature-card-wrap {
        grid-template-columns: 1fr;
    }

    .banner-btns {
        gap: 12px;
        justify-content: center;
    }

    .btns, .wechat-link {
        width: 45%;
        padding: 12px 16px;
        font-size: 15px;
    }

    .scroll-wrapper .logo-item img {
        height: 60px;
    }

    .case-section h2 {
        font-size: 24px;
        margin-bottom: 25px;
    }

    .faq-question {
        padding: 14px 12px;
        font-size: 15px;
    }

    .faq-answer {
        padding: 0 16px;
    }

        .faq-answer.show {
            padding: 14px 16px;
        }

    .content-inner {
        gap: 10px;
    }
    /* 缩小卡片上下间距 */
    .feature-section {
        padding: 35px 0;
    }

    .content-item {
        padding: 26px 0;
    }
}