/*zibuneng . ✅ 首页专用 banner */
.banner-home {
    width: 100%;
    /*aspect-ratio: 1280 / 400;*/
    background: linear-gradient(135deg, #0a2540, #1a3a5c);
    position: relative;
    /*overflow: hidden;*/
    height: 450px;
}


/* slider */
.banner-home .banner-slider {
    width: 100%; /* ✅ 关键：设置宽度 */
    height: 100%;
    position: relative;
}

/* slide */
.banner-home .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%; /* ✅ 关键：继承父元素的高度 */
    display: flex;
    flex-direction: column; /* ✅ 垂直排列子元素 */
    align-items: center; /* ✅ 水平居中 */
    justify-content: center; /* ✅ 垂直居中 */
    text-align: center;
    opacity: 0;
    transform: translateX(100%);
    transition: all .8s ease;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.banner-home .slide.active {
    opacity: 1;
    transform: translateX(0);
}

/* ======================================
   Slider 容器
====================================== */
.banner-slider {
    height: 100%;
    position: relative;
}

/* ======================================
   每一屏 (Slide)
   ⚠️ 重点：这里合并了你的两段代码，并强制设置了背景属性
====================================== */
/*.slide {*/
/*    position: absolute;*/
/*    inset: 0;*/
/*    display: flex;*/
/*    flex-direction: column;*/
/*    align-items: center;*/
/*    justify-content: center;*/
/*    text-align: center;*/

/*    opacity: 0;*/
/*    transform: translateX(100%);*/
/*    transition: all .8s ease;*/

/*    !* ✅ 强制开启背景图设置 *!*/
/*    background-size: cover;*/
/*    background-position: center;*/
/*    background-repeat: no-repeat;*/

/*    !* 🔴 调试用：给背景加个红框，如果不显示图片，你能看到红框在不在。如果红框在但没图，就是路径问题。 *!*/
/*    !* border: 2px solid red;  *!*/
/*}*/

.slide.active {
    opacity: 1;
    transform: translateX(0);
}

/* ======================================
   三张图分别写路径
   ✅ 确保这里路径正确,且写在 .slide 之后
====================================== */
.banner-home .slide:nth-child(1) {
    background-image: url("../../images/banner1.png") !important;
}

.banner-home .slide:nth-child(2) {
    background-image: url("../../images/banner2.png") !important; /* 对应文件夹里的 banner2.png */
}

.banner-home .slide:nth-child(3) {
    background-image: url("../../images/banner3.png") !important; /* 对应文件夹里的 banner3.png */
}

/* ======================================
   文字样式 (保持不变)
====================================== */
.banner-title {
    font-size: 28px;
    font-weight: bold;
    color: #fff;
    line-height: 1.5; /* ✅ 增加行高 */
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3); /* 加个阴影，让字在复杂背景上更清晰 */
    text-align: center; /* ✅ 确保文字居中 */
    width: 100%; /* ✅ 占满父容器宽度 */
    max-width: 800px; /* ✅ 限制最大宽度 */
    word-wrap: break-word; /* ✅ 允许换行 */
    white-space: normal; /* ✅ 正常换行 */
}

/* ✅ 阶梯式布局 - 第一屏标题 */
.banner-staggered {
    text-align: left !important;
    padding-left: 15% !important;
}

.banner-staggered .line-1 {
    display: block;
    margin-left: 0;
}

.banner-staggered .line-2 {
    display: block;
    margin-left: 80px;
}

.banner-staggered .line-3 {
    display: block;
    margin-left: 160px;
}

/* ✅ 阶梯式布局 - 第二屏标题 */
.banner-staggered-2 {
    text-align: left !important;
    padding-left: 20% !important;
}

.banner-staggered-2 .line-1 {
    display: block;
    margin-left: 0;
}

.banner-staggered-2 .line-2 {
    display: block;
    margin-left: 100px;
}

/* ✅ 阶梯式布局 - 第三屏标题 */
.banner-staggered-3 {
    text-align: left !important;
    padding-left: 18% !important;
}

.banner-staggered-3 .line-1 {
    display: block;
}

/* ✅ 第三屏优势列表 */
.banner-home .slide:nth-child(3) .advantage-list {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.banner-home .slide:nth-child(3) .advantage-list li {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 12px;
    line-height: 1.6;
    padding-left: 30px;
    position: relative;
    text-align: left;
}

.banner-home .slide:nth-child(3) .advantage-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #00d4ff;
    font-size: 24px;
    font-weight: bold;
}

.banner-home .slide .banner-subtitle {
    font-size: 18px !important; /* ✅ 从 16px 调整为 24px，使用 !important 提高优先级 */
    color: #fff;
    font-weight: bold;
}

/* 小圆点 */
.slider-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10; /* 确保小圆点在图片上方 */
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .4);
    cursor: pointer;
}

.dot.active {
    background: #fff;
}

.banner h1 {
    font-size: 44px;
}

/* ======================================
   解决方案卡片样式优化
   ====================================== */

/* 解决方案标题 */
.section .container {
    position: relative;
    text-align: center;
}

.section h2 {
    text-align: center;
    margin-bottom: 50px;
    padding-left: 0;
    border-left: none;
}

.solutions-list {
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.solutions-list .card {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    padding: 40px 20px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(30, 60, 114, 0.3);
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.solutions-list .card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(30, 60, 114, 0.5);
    background: linear-gradient(135deg, #2a5298, #3b6cb8);
}

.solutions-list .card h3 {
    font-size: 22px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 12px;
    line-height: 1.4;
}

.solutions-list .card p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    margin: 0;
    flex: 1;
}


.tag {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 24px;
    border-radius: 30px;
    background: rgba(0, 212, 255, .15);
    color: var(--primary);
}

/* =========================
   首页通用标题样式 - 居中，无竖线
   ========================= */
.section-title-home {
    display: block;
    text-align: center;
    font-size: 30px;
    font-weight: 600;
    color: #222;
    margin-bottom: 50px;
    padding-left: 0;
    padding-right: 0;
    border-left: none;
    width: 100%;
}

.section-title-home::before {
    display: none;
}

/* =========================
   合作流程 - 卡片式流程图
   ========================= */
.process-section-cards {
    background: #f5f7fa;
    padding: 60px 0 30px;
}

.process-section-cards .container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 合作伙伴容器 - 统一宽度 */
.partners .container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 解决方案容器 - 统一宽度 */
.section .container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title-cards {
    display: block;
    text-align: center;
    font-size: 30px !important;
    font-weight: 600;
    color: #222;
    margin-bottom: 10px !important;
    padding-left: 0;
    border-left: none;
}

.section-title-cards::before {
    display: none;
}

.section-subtitle-cards {
    text-align: center;
    color: #9ca3af;
    font-size: 15px;
    margin-top: 0;
    margin-bottom: 30px;
}

/* 流程图容器 */
.process-flow {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: space-between;
    position: relative;
    margin-left: 0;
}

/* 流程卡片 */
.process-card {
    flex: 0 0 calc(12.5% - 15px);
    min-width: 130px;
    background: #fff;
    border: 2px solid #c5cae9;
    border-radius: 12px;
    padding: 25px 15px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    cursor: pointer;
}

.process-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: #667eea;
}

/* 步骤编号 */
.step-number {
    width: 50px;
    height: 50px;
    line-height: 50px;
    margin: 0 auto 15px;
    background: #f5f7fa;
    border: 2px solid #667eea;
    border-radius: 50%;
    color: #667eea;
    font-size: 24px;
    font-weight: bold;
}

/* 标题 */
.process-card h4 {
    color: #333;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 描述文字 */
.process-card p {
    color: #666;
    font-size: 13px;
    line-height: 1.6;
    text-align: left;
}

/* 箭头连接符 - 空心箭头 */
.process-card:not(:last-child)::after {
    content: '⇨';
    position: absolute;
    right: -21px;
    top: 50%;
    transform: translate(50%, -50%);
    color: #667eea;
    font-size: 18px;
    font-weight: bold;
    z-index: 1;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .process-card {
        flex: 0 0 calc(33.33% - 15px);
    }

    .process-card::after {
        display: none;
    }
}

@media (max-width: 768px) {
    .process-card {
        flex: 0 0 calc(50% - 15px);
    }
}

@media (max-width: 480px) {
    .process-card {
        flex: 0 0 100%;
    }
}

/* =========================
   合作伙伴 - 自动轮播
   ========================= */
.partners {
    background: #fff;
    padding: 80px 0 60px;
    text-align: center;
}

.partners .container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title-partners {
    display: block;
    text-align: center;
    font-size: 30px;
    font-weight: 600;
    color: #222;
    margin-bottom: 10px;
    padding-left: 0;
    border-left: none;
}

.section-title-partners::before {
    display: none;
}

.section-subtitle-partners {
    text-align: center;
    color: #9ca3af;
    font-size: 15px;
    margin-top: 8px;
    margin-bottom: 14px;
}

.partner-carousel {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0 40px;
}

.partner-carousel .carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.4);
    color: #fff;
    border: none;
    font-size: 32px;
    width: 50px;
    height: 50px;
    cursor: pointer;
    border-radius: 50%;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.partner-carousel .carousel-btn:hover {
    background: rgba(0, 0, 0, 0.6);
}

.partner-carousel .prev {
    left: 0;
}

.partner-carousel .next {
    right: 0;
}

.partner-list {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 20px 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.partner-list::-webkit-scrollbar {
    display: none;
}

.partner-item {
    flex: 0 0 auto;
    width: 180px;
    text-align: center;
}

.partner-logo {
    width: 100%;
    height: 110px;
    border: 2px dashed #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fafafa;
    padding: 10px;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

.partner-logo:hover {
    border-color: #004a99;
}

.partner-logo img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    max-height: 90px;
}

.partner-name {
    display: block;
    margin-top: 12px;
    font-size: 16px;
    color: #333;
    font-weight: 500;
}

/* ======================================
   首页完整响应式媒体查询
   ====================================== */

/* 平板适配 (1024px及以下) */
@media (max-width: 1024px) {
    /* Banner标题调整 */
    .banner-title {
        font-size: 24px;
    }
    
    .banner-staggered,
    .banner-staggered-2,
    .banner-staggered-3 {
        padding-left: 10% !important;
    }
    
    .banner-staggered .line-2 {
        margin-left: 40px;
    }
    
    .banner-staggered .line-3 {
        margin-left: 80px;
    }
    
    .banner-staggered-2 .line-2 {
        margin-left: 50px;
    }
    
    /* 优势列表字体缩小 */
    .banner-home .slide:nth-child(3) .advantage-list li {
        font-size: 18px;
    }
    
    /* 解决方案卡片调整 */
    .solutions-list {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 合作伙伴按钮缩小 */
    .partner-carousel .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 24px;
    }
}

/* 移动端适配 (768px及以下) */
@media (max-width: 768px) {
    /* Banner高度降低 */
    .banner-home {
        height: 300px;
    }
    
    /* Banner标题进一步缩小 */
    .banner-title {
        font-size: 20px;
        line-height: 1.4;
    }
    
    .banner-staggered,
    .banner-staggered-2,
    .banner-staggered-3 {
        padding-left: 5% !important;
        text-align: center !important;
    }
    
    .banner-staggered .line-1,
    .banner-staggered .line-2,
    .banner-staggered .line-3 {
        margin-left: 0;
    }
    
    .banner-staggered-2 .line-1,
    .banner-staggered-2 .line-2 {
        margin-left: 0;
    }
    
    /* 副标题和列表居中 */
    .banner-subtitle {
        font-size: 16px !important;
        padding: 0 20px;
    }
    
    .banner-home .slide:nth-child(3) .advantage-list {
        padding: 0 20px;
    }
    
    .banner-home .slide:nth-child(3) .advantage-list li {
        font-size: 16px;
        padding-left: 25px;
    }
    
    /* 小圆点位置调整 */
    .slider-dots {
        bottom: 20px;
    }
    
    /* Section间距缩小 */
    .section {
        padding: 40px 0;
    }
    
    .section h2 {
        margin-bottom: 30px;
    }
    
    /* 解决方案单列布局 */
    .solutions-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .card {
        padding: 30px 20px;
    }
    
    .card h3 {
        font-size: 18px;
    }
    
    /* 合作流程标题缩小 */
    .section-title-cards {
        font-size: 24px;
    }
    
    .section-subtitle-cards {
        font-size: 14px;
    }
    
    /* 合作伙伴轮播优化 */
    .partner-carousel {
        padding: 0 30px;
    }
    
    .partner-item {
        width: 140px;
    }
    
    .partner-logo {
        height: 90px;
    }
    
    .partner-name {
        font-size: 14px;
    }
}

/* 小屏手机适配 (480px及以下) */
@media (max-width: 480px) {
    /* Banner更小 */
    .banner-home {
        height: 280px;
    }
    
    .banner-title {
        font-size: 18px;
    }
    
    .banner-subtitle {
        font-size: 14px !important;
    }
    
    .banner-home .slide:nth-child(3) .advantage-list li {
        font-size: 14px;
        margin-bottom: 8px;
    }
    
    /* Section进一步缩小 */
    .section {
        padding: 30px 0;
    }
    
    .section h2 {
        margin-bottom: 20px;
    }
    
    /* 卡片内容紧凑 */
    .card {
        padding: 25px 15px;
    }
    
    .card h3 {
        font-size: 16px;
        margin-bottom: 8px;
    }
    
    .card p {
        font-size: 13px;
    }
    
    /* 合作流程 */
    .section-title-cards {
        font-size: 22px;
    }
    
    .process-card {
        padding: 20px 15px;
    }
    
    .process-card .step-number {
        font-size: 36px;
    }
    
    .process-card h4 {
        font-size: 16px;
    }
    
    .process-card p {
        font-size: 13px;
    }
    
    /* 合作伙伴 */
    .section-title-partners {
        font-size: 22px;
    }
    
    .section-subtitle-partners {
        font-size: 14px;
    }
    
    .partner-item {
        width: 120px;
    }
    
    .partner-logo {
        height: 80px;
    }
}

/* ======================================
   超小屏手机适配 (375px及以下)
   ====================================== */
@media (max-width: 375px) {
    .banner-home {
        height: 260px;
    }
    
    .banner-title {
        font-size: 16px;
    }
    
    .banner-subtitle {
        font-size: 13px !important;
    }
    
    .banner-home .slide:nth-child(3) .advantage-list li {
        font-size: 13px;
        margin-bottom: 6px;
        padding-left: 20px;
    }
    
    .section {
        padding: 25px 0;
    }
    
    .section h2 {
        margin-bottom: 15px;
    }
    
    .card {
        padding: 20px 12px;
    }
    
    .card h3 {
        font-size: 15px;
    }
    
    .card p {
        font-size: 12px;
    }
}


/* ======================================
   首页新增区块样式
   ====================================== */

/* Banner CTA */
.banner-cta { position: absolute; bottom: 80px; left: 50%; transform: translateX(-50%); display: flex; gap: 16px; z-index: 5; }

/* 按钮 */
.btn { display: inline-block; padding: 12px 28px; border-radius: 6px; font-size: 15px; font-weight: 500; text-decoration: none; transition: all 0.3s ease; cursor: pointer; }
.btn-primary { background: #2563eb; color: #fff; border: 2px solid #2563eb; }
.btn-primary:hover { background: #1d4ed8; border-color: #1d4ed8; }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.6); }
.btn-outline:hover { background: rgba(255,255,255,0.15); border-color: #fff; }
.btn-text { color: #2563eb; padding: 0; font-weight: 500; }
.btn-text:hover { color: #1d4ed8; }
.btn-lg { padding: 14px 32px; font-size: 16px; }

/* 关于我们 */
.about-brief { padding: 60px 0; background: #fff; }
.about-brief-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-title-wrap { position: relative; display: inline-block; }
.about-en-bg { position: absolute; top: -60px; left: 50%; transform: translateX(-50%); font-size: 50px; font-weight: 900; color: rgba(0,0,0,0.06); white-space: nowrap; pointer-events: none; z-index: 0; margin: 0; }
.section-title-about { font-size: 30px; color: #1f2937; margin-bottom: 12px; line-height: 1.4; position: relative; z-index: 1; }
.about-subtitle { font-size: 15px; color: #9ca3af; margin-bottom: 20px; margin-top: -4px; text-align: center; }
.about-brief-desc { font-size: 15px; color: #6b7280; line-height: 1.8; margin-bottom: 20px; }
.about-brief-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stat-item { background: #f8fafc; border: 1px solid #e5e7eb; border-radius: 8px; padding: 24px 20px; text-align: center; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.stat-item:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
.stat-number { display: block; font-size: 28px; font-weight: 700; color: #2563eb; margin-bottom: 6px; }
.stat-label { font-size: 14px; color: #6b7280; }

/* 方案标题背景（与About Us一致） */
.section-title-wrap { 
    position: relative; 
    margin-bottom: 50px; 
    display: inline-block;
    text-align: left;
}
.section .section-en-bg { 
    position: absolute; 
    left: 50%;
    transform: translateX(-50%);
    top: -40px;
    font-size: 50px; 
    font-weight: 900; 
    color: rgba(0,0,0,0.06); 
    white-space: nowrap; 
    pointer-events: none; 
    z-index: 0; 
    margin: 0; 
    line-height: 1; 
}
.section-title-home { 
    position: relative; 
    z-index: 1; 
}
.section-subtitle {
    text-align: center;
    font-size: 15px;
    color: #9ca3af;
    margin-top: -45px;
    margin-bottom: 40px;
}

/* 通用英文背景标题 */
.title-en-bg {
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 50px;
    font-weight: 900;
    color: rgba(0,0,0,0.06);
    white-space: nowrap;
    pointer-events: none;
    z-index: 0;
    margin: 0;
    line-height: 1;
}

/* 各板块容器居中 */
.tech-ability .container,
.process-section-cards .container,
.blog-preview .container {
    text-align: center;
}

/* 方案卡片 */
.solution-card { display: flex; flex-direction: column; padding: 28px 24px; border-radius: 10px; background: #fff; border: 1px solid #e5e7eb; transition: all 0.3s ease; text-decoration: none; color: inherit; }
.solution-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.08); border-color: #2563eb; }
.card-icon { margin-bottom: 12px; color: currentColor; }
.solutions-list .card-icon i { color: #fff; }
.solution-card p { flex: 1; }
.card-link { display: inline-block; margin-top: 10px; color: #2563eb; font-size: 14px; font-weight: 500; }
.solution-card:hover .card-link { text-decoration: underline; }
.card-coming { opacity: 0.6; cursor: default; pointer-events: none; }
.card-badge { display: inline-block; background: #fef3c7; color: #92400e; padding: 3px 10px; border-radius: 4px; font-size: 12px; margin-top: 8px; }

/* 技术能力 */
.tech-ability { padding: 60px 0; background: #f8fafc; }
.tech-subtitle { text-align: center; color: #9ca3af; font-size: 15px; margin-bottom: 40px; margin-top: -40px; }
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.tech-item { background: #fff; border: 1px solid #e5e7eb; border-radius: 10px; padding: 32px 24px; text-align: center; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.tech-item:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.06); }
.tech-icon { font-size: 42px; margin-bottom: 16px; }
.tech-item h3 { font-size: 18px; color: #1f2937; margin-bottom: 12px; }
.tech-item p { font-size: 14px; color: #6b7280; line-height: 1.7; }

/* 技术洞察 */
.blog-preview { padding: 60px 0 60px 0; background: #fff; }
.blog-preview-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 20px; }
.blog-preview-card { display: block; background: #f8fafc; border: 1px solid #e5e7eb; border-radius: 8px; padding: 24px; text-decoration: none; color: inherit; transition: all 0.3s ease; }
.blog-preview-card:hover { border-color: #2563eb; transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.06); }
.blog-card-date { display: block; font-size: 12px; color: #9ca3af; margin-bottom: 8px; }
.blog-preview-card h4 { font-size: 16px; color: #1f2937; margin-bottom: 8px; line-height: 1.5; }
.blog-preview-card p { font-size: 13px; color: #6b7280; line-height: 1.6; }
.blog-more { text-align: center; margin-top: 10px; }

/* SEO关键词 */
.seo-keywords { padding: 30px 0; background: #f8fafc; border-top: 1px solid #e5e7eb; }
.seo-keywords h3 { font-size: 14px; color: #9ca3af; font-weight: 500; margin-bottom: 16px; text-align: center; }
.keyword-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.keyword-links a { display: inline-block; padding: 6px 14px; background: #fff; border: 1px solid #e5e7eb; border-radius: 20px; font-size: 13px; color: #4b5563; text-decoration: none; transition: all 0.2s ease; }
.keyword-links a:hover { border-color: #2563eb; color: #2563eb; background: #eff6ff; }

/* 联系CTA */
.cta-contact { padding: 60px 0; background: linear-gradient(135deg, #1e40af, #2563eb); }
.cta-content { display: flex; justify-content: space-between; align-items: center; gap: 40px; }
.cta-text h2 { font-size: 26px; color: #fff; margin-bottom: 10px; }
.cta-text p { font-size: 16px; color: rgba(255,255,255,0.8); }
.cta-actions { display: flex; align-items: center; gap: 24px; flex-shrink: 0; }
.cta-phone { text-align: center; }
.cta-phone strong { display: block; color: rgba(255,255,255,0.7); font-size: 13px; margin-bottom: 4px; }
.phone-number { font-size: 24px; font-weight: 700; color: #fff; }
.cta-contact .btn-primary { background: #fff; color: #2563eb; border-color: #fff; white-space: nowrap; }
.cta-contact .btn-primary:hover { background: #f0f5ff; }

/* ======================================
   响应式
   ====================================== */
@media (max-width: 768px) {
    .banner-cta { bottom: 40px; flex-direction: column; gap: 10px; }
    .banner-cta .btn { padding: 10px 20px; font-size: 14px; }
    .about-brief-grid { grid-template-columns: 1fr; gap: 30px; }
    .about-brief-stats { grid-template-columns: 1fr 1fr; }
    .about-brief { padding: 40px 0; }
    .about-en-bg { top: -40px; font-size: 36px; }
    .section .section-en-bg { top: -40px; right: -40px; font-size: 32px; }
    .title-en-bg { top: -40px; right: -40px; font-size: 32px; }
    .tech-grid { grid-template-columns: 1fr; }
    .tech-ability { padding: 40px 0; }
    .blog-preview-grid { grid-template-columns: 1fr; }
    .blog-preview { padding: 40px 0 40px 0; }
    .cta-content { flex-direction: column; text-align: center; }
    .cta-actions { flex-direction: column; }
    .cta-contact { padding: 40px 0; }
    .keyword-links a { font-size: 12px; padding: 4px 10px; }
}

@media (max-width: 375px) {
    .section-title-about { font-size: 22px; }
    .stat-number { font-size: 24px; }
    .about-en-bg { top: -30px; font-size: 28px; }
    .section .section-en-bg { top: -30px; right: -20px; font-size: 28px; }
    .title-en-bg { top: -30px; right: -20px; font-size: 28px; }
}