/* =====================================================
   速建网络信息科技aqvq.cn - 响应式 V15
   全面覆盖：大屏 / 平板 / 手机，修复白边/溢出/遮挡
   ===================================================== */

/* ---------- 大屏 ≥1400px ---------- */
@media(min-width:1400px){
    .slide-title{font-size:54px}
    .slide-visual{flex:0 0 500px}
    .carousel-slide{min-height:580px}
    .mega-menu{width:780px}
    .page-banner-title{font-size:42px}
}

/* ---------- 中等平板 992~1199px ---------- */
@media(min-width:992px) and (max-width:1199.98px){
    /* mega-menu 缩窄防溢出 */
    .mega-menu{width:560px}
    .mega-left{width:200px;padding-right:20px;margin-right:20px}
    .slide-visual{flex:0 0 340px}
    .slide-visual .slide-svg{max-width:340px}
    .slide-title{font-size:38px}
    /* 服务品类面板 */
    .cate-panel-left{width:240px}
    .cate-right-body{grid-template-columns:repeat(3,1fr);gap:12px 14px}
    .cate-right-hd{padding:16px 24px 12px}
    .cate-right-body{padding:12px 24px 24px}
    /* 联系页4列改2列 */
    .contact-backend-content .contact-info-backend{grid-template-columns:1fr 1fr}
}

/* ---------- 平板及以下 ≤991px ---------- */
@media(max-width:991.98px){
    .top-bar-inner{flex-direction:column;gap:4px;text-align:center}

    /* 服务品类 - 移动端隐藏按钮和面板 */
    .cate-trigger{display:none}
    .cate-panel{display:none}

    /* ===== 移动端侧滑容器 ===== */
    .nav-toggle{display:flex}
    .nav-menu{position:fixed;top:0;right:-320px;width:300px;height:100vh;background:var(--white);z-index:1045;flex-direction:column;padding:0;box-shadow:-4px 0 24px rgba(0,0,0,.12);transition:right .35s cubic-bezier(.4,0,.2,1);overflow-y:auto;overflow-x:hidden}
    .nav-menu.open{right:0}

    /* 关闭按钮（右上角X） */
    .nav-menu .m-close{position:absolute;top:0;right:0;width:48px;height:48px;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--gray-400);cursor:pointer;z-index:2;background:none;border:none;transition:color .2s}
    .nav-menu .m-close:hover{color:var(--gray-700)}

    /* ===== 移动端独立菜单 m-nav ===== */
    .m-nav{padding:12px 0;flex:1}
    .m-nav-item{display:flex;align-items:center;gap:10px;padding:14px 20px;font-size:15px;font-weight:600;color:var(--gray-800);transition:background .2s}
    .m-nav-item i{font-size:16px;color:var(--primary);width:20px;text-align:center}
    .m-nav-item:hover{background:var(--gray-50);color:var(--primary)}

    /* 分组 */
    .m-nav-group{border-top:1px solid var(--gray-100)}
    .m-nav-parent{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;font-size:15px;font-weight:600;color:var(--gray-800);transition:background .2s}
    .m-nav-parent:hover{background:var(--gray-50);color:var(--primary)}
    .m-nav-arrow{font-size:11px;color:var(--gray-400);transition:transform .3s, color .3s}
    .m-nav-group.expanded .m-nav-arrow{transform:rotate(90deg);color:var(--primary)}

    /* 子菜单 */
    .m-nav-subs{display:none;padding:0 0 10px;background:var(--gray-50)}
    .m-nav-sub{display:block;padding:11px 20px 11px 40px;font-size:14px;color:var(--gray-600);line-height:1.5;transition:color .2s,background .2s;position:relative}
    .m-nav-sub::before{content:'';position:absolute;left:24px;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--gray-300);transition:background .2s}
    .m-nav-sub:hover{color:var(--primary);background:rgba(26,86,219,.04)}
    .m-nav-sub:hover::before{background:var(--primary)}

    /* 咨询按钮 */
    .m-nav-consult{display:flex;align-items:center;justify-content:center;gap:8px;margin:16px 20px 24px;padding:14px 20px;border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:15px;font-weight:600;transition:var(--ease);box-shadow:0 4px 12px rgba(26,86,219,.3)}
    .m-nav-consult:hover{transform:translateY(-1px);color:#fff;box-shadow:0 6px 18px rgba(26,86,219,.4)}

    /* 隐藏PC端nav-list和consult-btn（移动端已由m-nav替代） */
    .nav-menu .nav-list{display:none}
    .nav-menu .nav-consult-btn{display:none}

    /* ===== 轮播 ===== */
    .carousel-slide{padding:60px 24px 70px;min-height:400px}
    .slide-inner{flex-direction:column;gap:24px;text-align:center}
    .slide-content{order:1}
    .slide-visual{order:0;width:100%;flex:none}
    .slide-visual .slide-svg{max-width:280px}
    .slide-title{font-size:32px}
    .slide-desc{font-size:14px;margin:0 auto 20px}
    .slide-actions{justify-content:center}
    .slide-label{margin:0 auto 14px}

    /* 板块 */
    .sec-services,.sec-process,.sec-about,.sec-adv,.sec-news,.sec-cta{padding:60px 0}
    .sec-title{font-size:26px}
    /* 流程板块 - 扁平化纵向列表 */
    .process-timeline{flex-direction:column;align-items:stretch;gap:0;overflow-x:visible;padding-bottom:0}
    .process-node{width:100%;flex-shrink:1;display:flex;align-items:center;gap:16px;text-align:left;padding:16px 20px;background:rgba(255,255,255,.04);border-radius:12px;margin-bottom:8px;border:1px solid rgba(255,255,255,.06);transition:background .3s}
    .process-node:hover{background:rgba(255,255,255,.08)}
    .process-num{margin:0;font-size:11px;letter-spacing:1px;color:var(--accent);flex:0 0 24px}
    .process-dot{margin:0;width:44px;height:44px;font-size:16px;flex:0 0 44px}
    .process-dot::after{inset:-3px}
    .process-text{display:block;flex:1;min-width:0}
    .process-name{margin:0 0 2px;font-size:15px}
    .process-info{margin:0;font-size:12px}
    .process-line{display:none}
    .about-text-wrap{padding-left:0;margin-top:24px}
    .about-panel-grid{grid-template-columns:1fr 1fr}
    .sec-adv .sec-label{color:var(--accent)}
    .adv-card{background:rgba(255,255,255,.04)}

    /* 底部隐藏快速链接和核心服务 */
    .footer-links-col,
    .footer-services-col{display:none}

    /* 内页Banner */
    .page-banner{padding:60px 0 48px}
    .page-banner-title{font-size:28px}
    .page-banner .breadcrumb{padding:8px 16px}
    .page-banner .breadcrumb a.crumb{font-size:12px}

    /* 列表项 */
    .list-item{flex-direction:column}
    .list-item-img{flex:none;height:200px}
    .list-item-body{padding:20px}

    /* 分页自适应 */
    .pagination-wrap{gap:4px}
    .pagination-wrap ul{gap:4px}
    .pagination-wrap .page-link,.pagination-wrap a{min-width:36px;height:36px;padding:0 8px;font-size:13px}

    /* 详情 */
    .detail-wrap{padding:28px}
    .detail-title{font-size:22px}
    .detail-prenext{flex-direction:column;gap:12px}
    .prenext-card{padding:16px 20px;min-height:auto}
    .prenext-card.prenext-next{flex-direction:row;text-align:left}
    .prenext-card.prenext-next .prenext-body{align-items:flex-start}
    .single-wrap{padding:28px}

    /* 专题页全屏化 */
    .sp-section{padding:56px 0}
    .sp-section-inner{padding:0 28px}
    .service-page-content .qirida-section-title{font-size:22px}
    .service-page-content .qirida-cta{padding:48px 28px}
    .service-page-content .qirida-cta h3{font-size:20px}
    .sp-hero{flex-direction:column;gap:24px}
    .sp-hero-text h2{font-size:24px}
    .sp-hero-img{flex:none;width:100%}
    .sp-hero-img img{height:200px}
    .sp-feature-grid{grid-template-columns:1fr 1fr}
    .sp-step-flow{flex-direction:column;gap:20px}
    .sp-step-flow::before{display:none}
    .sp-step-item{display:flex;text-align:left;gap:14px;align-items:flex-start}
    .sp-step-num{margin:0;flex:0 0 44px;width:44px;height:44px;font-size:16px}
    .sp-step-item p{padding:0}
    .sp-require-list{grid-template-columns:1fr}
    .sp-adv-row{grid-template-columns:1fr 1fr}
    .sp-img-banner img{height:180px}

    /* 联系页面 */
    .contact-backend-content .contact-info-backend{grid-template-columns:1fr 1fr;gap:16px}
    .contact-backend-content .ci-row{padding:24px 20px}
    .contact-form-header{padding:28px 28px}
    .contact-form-header h2{font-size:22px}
    .contact-form-body{padding:28px}
    .contact-map-header h2{font-size:22px}
    .contact-map-wrap #bdMapContainer{height:320px}

    /* CTA box 平板适配 */
    .cta-box{padding:36px 28px}
    /* 关于面板平板适配 */
    .about-panel{padding:28px}
    .about-panel-features{grid-template-columns:1fr}
}

/* ---------- 手机 ≤575px ---------- */
@media(max-width:575.98px){
    .top-bar{font-size:12px;padding:4px 0}
    .logo-text{font-size:20px}
    .logo-sub{font-size:8px}

    /* 手机端导航 - 紧凑适配 */
    .nav-menu{width:85vw;max-width:300px;right:-320px}
    .m-nav-item{padding:12px 16px;font-size:14px}
    .m-nav-item i{font-size:15px}
    .m-nav-parent{padding:12px 16px;font-size:14px}
    .m-nav-sub{padding:10px 16px 10px 34px;font-size:13px}
    .m-nav-sub::before{left:20px;width:5px;height:5px}
    .m-nav-consult{margin:12px 16px 20px;padding:12px 16px;font-size:14px}

    /* 轮播 */
    .carousel-slide{padding:40px 20px 60px;min-height:320px}
    .slide-title{font-size:24px}
    .slide-desc{font-size:13px}
    .btn-slide-primary,.btn-slide-outline{padding:10px 20px;font-size:13px}
    .carousel-arrow{width:36px;height:36px;font-size:14px}
    .carousel-prev{left:10px}
    .carousel-next{right:10px}

    /* 关于面板 */
    .about-panel{padding:20px}
    .about-panel-grid{grid-template-columns:1fr 1fr;gap:8px}
    .about-panel-num{font-size:20px}
    .about-panel-features{grid-template-columns:1fr}

    .sec-services,.sec-process,.sec-about,.sec-adv,.sec-news,.sec-cta{padding:48px 0}
    .sec-title{font-size:22px}
    .sec-sub{font-size:13px}
    .process-node{padding:12px 14px;gap:12px;margin-bottom:6px}
    .process-dot{width:38px;height:38px;font-size:14px;flex:0 0 38px}
    .process-name{font-size:14px}
    .process-info{font-size:11px}
    .svc-card{flex-direction:column}
    .svc-body{padding:16px 16px 20px}
    .svc-img-ph{font-size:26px}
    .cta-box{padding:40px 20px}
    .cta-title{font-size:22px}

    .footer-bottom-inner{flex-direction:column;text-align:center;gap:4px}

    /* 内页 */
    .page-banner{padding:48px 0 36px}
    .page-banner-title{font-size:24px}
    .page-banner .breadcrumb{padding:6px 14px;gap:0}
    .page-banner .breadcrumb a.crumb{font-size:11px}
    .section-list,.section-single,.section-detail,.section-service-page{padding:0}
    .detail-wrap,.single-wrap{padding:20px}
    .sp-section{padding:40px 0}
    .sp-section-inner{padding:0 20px}
    .service-page-content .qirida-section-title{font-size:20px}
    .service-page-content .qirida-cta{padding:36px 20px}
    .service-page-content .qirida-cta h3{font-size:18px}
    .sp-hero-text h2{font-size:22px}
    .sp-hero-img img{height:160px}
    .sp-feature-grid{grid-template-columns:1fr}
    .sp-adv-row{grid-template-columns:1fr 1fr}
    .sp-img-banner img{height:140px}
    .sp-faq-a{padding-left:0}

    /* 联系页面手机端 */
    .contact-backend-content .contact-info-backend{grid-template-columns:1fr;gap:12px}
    .contact-backend-content .ci-row{padding:20px 16px}
    .contact-backend-content .ci-row>i{width:48px;height:48px;font-size:18px;border-radius:12px}
    .contact-backend-content .ci-detail h4{font-size:14px}
    .contact-backend-content .ci-detail p{font-size:12px}
    .contact-form-header{padding:24px 20px}
    .contact-form-header h2{font-size:20px}
    .contact-form-body{padding:20px}
    .contact-map-section{padding:0 0 48px}
    .contact-map-header h2{font-size:20px}
    .contact-map-header p{font-size:12px}
    .contact-map-wrap #bdMapContainer{height:260px}
    .cf-field input,.cf-field textarea,.cf-field select{padding:10px 14px 10px 38px;font-size:13px}
    .cf-field i{left:12px;top:12px;font-size:13px}
    .cf-submit{padding:12px 28px;font-size:14px;width:100%;justify-content:center}
    .detail-title{font-size:20px}
    .list-item-body{padding:16px}
    .list-item-title{font-size:16px}

    /* 分页 - 手机端更紧凑 */
    .pagination-wrap{gap:3px}
    .pagination-wrap ul{gap:3px}
    .pagination-wrap .page-link,.pagination-wrap a{min-width:32px;height:32px;padding:0 6px;font-size:12px;border-radius:6px}

    /* 浮动栏小屏收窄 */
    .float-bar{right:10px;bottom:16px;gap:4px}
    .float-bar-item{width:42px;height:42px;font-size:14px}
    .float-bar-item span{font-size:8px}
    /* 页脚微信弹窗防止溢出 */
    .footer-wechat-popup{left:auto;right:0;transform:scale(.85);transform-origin:bottom right}
    .footer-wechat-wrap:hover .footer-wechat-popup{transform:scale(1)}
    .footer-qr-hover-card{left:auto;right:0;transform:scale(.85);transform-origin:bottom right}
    .footer-qr-hover:hover .footer-qr-hover-card{transform:scale(1)}
}

/* ---------- 极小屏 ≤360px ---------- */
@media(max-width:360px){
    .slide-title{font-size:20px}
    .carousel-slide{padding:32px 16px 48px;min-height:280px}
    .btn-slide-primary,.btn-slide-outline{padding:9px 16px;font-size:12px}
    .sec-title{font-size:20px}
    .about-panel-grid{grid-template-columns:1fr}
    .about-panel-num{font-size:18px}
    .cta-title{font-size:20px}
    .detail-wrap,.single-wrap{padding:16px}
    .detail-title{font-size:18px}
    /* 服务卡片极小屏堆叠 */
    .svc-body{padding:14px 14px 18px}
    .svc-title{font-size:15px}
    .svc-desc{font-size:12px}
    /* 流程极小屏 */
    .process-dot{width:34px;height:34px;font-size:12px;flex:0 0 34px}
    .process-name{font-size:13px}
    .process-info{font-size:11px}
    /* 联系表单极小屏 */
    .contact-form-header{padding:20px 16px}
    .contact-form-header h2{font-size:18px}
    .contact-form-body{padding:16px}
    .cf-field input,.cf-field textarea,.cf-field select{padding:9px 12px 9px 34px;font-size:12px}
    .cf-field i{left:10px;top:10px;font-size:12px}
}