/* ===== Hero 全屏区域 ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 40%, #0f172a 100%);
        }

        .hero-grid-bg {
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image:
                linear-gradient(rgba(96,165,250,0.08) 1px, transparent 1px),
                linear-gradient(90deg, rgba(96,165,250,0.08) 1px, transparent 1px);
            background-size: 60px 60px;
        }

        .hero-glow {
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(37,99,235,0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-glow2 {
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(124,58,237,0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 120px 20px 80px;
            max-width: 900px;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 20px;
            background: rgba(96,165,250,0.12);
            border: 1px solid rgba(96,165,250,0.2);
            color: #93c5fd;
            font-size: 13px;
            border-radius: 50px;
            margin-bottom: 30px;
            letter-spacing: 2px;
        }

        .hero-content h1 {
            font-size: 56px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 20px;
        }

        .hero-content h1 .highlight {
            background: linear-gradient(135deg, #60a5fa, #a78bfa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content p {
            font-size: 18px;
            color: rgba(255,255,255,0.6);
            max-width: 640px;
            margin: 0 auto 40px;
            line-height: 1.8;
        }

        .hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

        .hero-btn-primary {
            display: inline-block;
            padding: 16px 40px;
            background: linear-gradient(135deg, #2563eb, #7c3aed);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            border-radius: 50px;
            transition: all 0.3s;
        }

        .hero-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(37,99,235,0.35);
        }

        .hero-btn-secondary {
            display: inline-block;
            padding: 16px 40px;
            border: 2px solid rgba(255,255,255,0.15);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            border-radius: 50px;
            transition: all 0.3s;
        }

        .hero-btn-secondary:hover {
            border-color: #60a5fa;
            background: rgba(96,165,250,0.1);
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 60px;
            margin-top: 60px;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }

        .hero-stat { text-align: center; }

        .hero-stat .num {
            font-size: 36px;
            font-weight: 700;
            color: #60a5fa;
        }

        .hero-stat .label {
            font-size: 13px;
            color: rgba(255,255,255,0.4);
            margin-top: 4px;
        }

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

        .hero-content > * { animation: fadeUp 0.8s ease forwards; opacity: 0; }
        .hero-content > *:nth-child(1) { animation-delay: 0.1s; }
        .hero-content > *:nth-child(2) { animation-delay: 0.2s; }
        .hero-content > *:nth-child(3) { animation-delay: 0.3s; }
        .hero-content > *:nth-child(4) { animation-delay: 0.4s; }
        .hero-content > *:nth-child(5) { animation-delay: 0.5s; }
        .hero-content > *:nth-child(6) { animation-delay: 0.6s; }
        .hero-content > *:nth-child(7) { animation-delay: 0.7s; }

        /* ===== 服务项目（白色底+阴影卡片） ===== */
        .services-section {
            padding: 100px 0 120px;
            background: #fff;
            position: relative;
        }

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

        .svc-card {
            background: #fff;
            border: 1px solid #f1f5f9;
            border-radius: 20px;
            padding: 36px 28px;
            text-align: center;
            transition: all 0.4s;
            box-shadow: 0 2px 15px rgba(0,0,0,0.04);
            position: relative;
            overflow: hidden;
            cursor: pointer;
        }

        .svc-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 3px;
            background: linear-gradient(135deg, #2563eb, #7c3aed);
            opacity: 0;
            transition: opacity 0.3s;
            pointer-events: none;
        }

        .svc-card:hover::before { opacity: 1; }
        .svc-card:hover {
            border-color: rgba(37,99,235,0.12);
            box-shadow: 0 20px 50px rgba(37,99,235,0.08);
            transform: translateY(-8px);
        }

        .svc-card,
        .svc-card * { pointer-events: auto; }

        .svc-card .sg-icon {
            width: 64px; height: 64px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, #eef2ff, #e0e7ff);
            border-radius: 18px;
            display: flex; align-items: center; justify-content: center;
            font-size: 28px;
            transition: all 0.3s;
        }

        .svc-card:hover .sg-icon {
            background: linear-gradient(135deg, #2563eb, #7c3aed);
            transform: scale(1.1) rotate(-5deg);
        }

        .svc-card:hover .sg-icon { color: #fff; }

        .svc-card h3 {
            font-size: 18px;
            color: #0f172a;
            margin-bottom: 12px;
        }

        .svc-card p {
            font-size: 14px;
            color: #888;
            line-height: 1.7;
        }

        .svc-card .sg-arrow {
            display: inline-block;
            margin-top: 16px;
            color: #94a3b8;
            font-size: 13px;
            font-weight: 600;
            transition: all 0.3s;
        }

        .svc-card:hover .sg-arrow { color: #2563eb; }

        /* ===== 关于（宽幅深色渐变，与上面衔接） ===== */
        .about-showcase {
            position: relative;
            height: 520px;
            overflow: hidden;
            display: flex;
            align-items: center;
        }

        .about-showcase-bg {
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 60%, #0f172a 100%);
        }

        .about-showcase-bg::after {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: url("data:image/svg+xml,%3Csvg width='80' height='80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Ccircle cx='40' cy='40' r='1' fill='%23ffffff' fill-opacity='0.08'/%3E%3C/g%3E%3C/svg%3E");
        }

        .about-showcase .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-showcase .as-left h2 {
            font-size: 40px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 20px;
        }

        .about-showcase .as-left p {
            font-size: 16px;
            color: rgba(255,255,255,0.6);
            line-height: 1.9;
            margin-bottom: 30px;
        }

        .about-showcase .as-left .as-btn {
            display: inline-block;
            padding: 14px 36px;
            background: linear-gradient(135deg, #2563eb, #7c3aed);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s;
        }

        .about-showcase .as-left .as-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(37,99,235,0.3);
        }

        .about-showcase .as-right {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .as-card {
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: 16px;
            padding: 30px 24px;
            transition: all 0.3s;
        }

        .as-card:hover {
            background: rgba(37,99,235,0.08);
            border-color: rgba(37,99,235,0.2);
            transform: translateY(-4px);
        }

        .as-card .as-num {
            font-size: 32px;
            font-weight: 700;
            color: #60a5fa;
            margin-bottom: 6px;
        }

        .as-card h5 {
            font-size: 16px;
            color: #fff;
            margin-bottom: 6px;
        }

        .as-card p {
            font-size: 13px;
            color: rgba(255,255,255,0.4);
            line-height: 1.5;
        }

        /* ===== 合作伙伴 ===== */
        .partners-section {
            padding: 80px 0;
            background: #f8fafc;
            position: relative;
            overflow: hidden;
        }

        .partners-section::before {
            content: '';
            position: absolute;
            top: -50%; left: -20%;
            width: 500px; height: 500px;
            background: radial-gradient(circle, rgba(37,99,235,0.03) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .partners-section::after {
            content: '';
            position: absolute;
            bottom: -50%; right: -20%;
            width: 400px; height: 400px;
            background: radial-gradient(circle, rgba(124,58,237,0.03) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .partners-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 20px;
            position: relative;
            z-index: 1;
        }

        .partner-card {
            background: #fff;
            border: 1px solid #f1f5f9;
            border-radius: 16px;
            padding: 28px 16px;
            text-align: center;
            transition: all 0.4s;
            box-shadow: 0 2px 10px rgba(0,0,0,0.03);
            position: relative;
            overflow: hidden;
        }

        .partner-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 3px;
            opacity: 0;
            transition: opacity 0.3s;
        }

        .partner-card:hover::before { opacity: 1; }
        .partner-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.06);
        }

        .partner-card .pc-logo {
            width: 56px; height: 56px;
            margin: 0 auto 14px;
            border-radius: 14px;
            display: flex; align-items: center; justify-content: center;
            font-size: 22px;
            font-weight: 700;
            transition: all 0.3s;
        }

        .partner-card h4 { font-size: 14px; color: #0f172a; margin-bottom: 4px; }
        .partner-card p { font-size: 12px; color: #94a3b8; }

        /* 各品牌专属配色 hover */
        .partner-card.tx:hover { border-color: #0066ff; }
        .partner-card.tx:hover::before { background: #0066ff; }
        .partner-card.tx .pc-logo { background: #e8f4ff; color: #0066ff; }
        .partner-card.tx:hover .pc-logo { background: #0066ff; color: #fff; }

        .partner-card.ali:hover { border-color: #ff6a00; }
        .partner-card.ali:hover::before { background: #ff6a00; }
        .partner-card.ali .pc-logo { background: #fff3e8; color: #ff6a00; }
        .partner-card.ali:hover .pc-logo { background: #ff6a00; color: #fff; }

        .partner-card.qn:hover { border-color: #0066ff; }
        .partner-card.qn:hover::before { background: #0066ff; }
        .partner-card.qn .pc-logo { background: #e8f4ff; color: #0066ff; }
        .partner-card.qn:hover .pc-logo { background: #0066ff; color: #fff; }

        .partner-card.bt:hover { border-color: #20a53e; }
        .partner-card.bt:hover::before { background: #20a53e; }
        .partner-card.bt .pc-logo { background: #e8f5e9; color: #20a53e; }
        .partner-card.bt:hover .pc-logo { background: #20a53e; color: #fff; }

        .partner-card.ds:hover { border-color: #4f46e5; }
        .partner-card.ds:hover::before { background: #4f46e5; }
        .partner-card.ds .pc-logo { background: #eef2ff; color: #4f46e5; }
        .partner-card.ds:hover .pc-logo { background: #4f46e5; color: #fff; }

        .partner-card.cf:hover { border-color: #f38020; }
        .partner-card.cf:hover::before { background: #f38020; }
        .partner-card.cf .pc-logo { background: #fff3e8; color: #f38020; }
        .partner-card.cf:hover .pc-logo { background: #f38020; color: #fff; }

        /* 双行文字 logo 自适应 */
        .partner-card .pc-logo.double { font-size: 16px; line-height: 1.2; flex-wrap: wrap; }

        @media (max-width: 992px) {
            .partners-grid { grid-template-columns: repeat(3, 1fr); }
        }
        @media (max-width: 768px) {
            .partners-grid { grid-template-columns: repeat(2, 1fr); }
        }

        /* ===== 联系我们（左右分栏） ===== */
        .contact-section {
            padding: 100px 0;
            background: linear-gradient(135deg, #0f172a, #1e3a5f);
            position: relative;
            overflow: hidden;
        }

        .contact-section::before {
            content: '';
            position: absolute;
            top: -30%; right: -10%;
            width: 600px; height: 600px;
            background: radial-gradient(circle, rgba(37,99,235,0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .contact-section .section-title h2 { color: #fff; }
        .contact-section .section-title p { color: rgba(255,255,255,0.5); }

        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 60px;
            align-items: start;
            position: relative;
            z-index: 1;
        }

        .contact-info-cards { display: flex; flex-direction: column; gap: 16px; }

        .contact-info-cards .cic-item {
            display: flex;
            gap: 16px;
            align-items: center;
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: 14px;
            padding: 20px 24px;
            transition: all 0.3s;
            position: relative;
        }

        .contact-info-cards .cic-item:hover {
            background: rgba(255,255,255,0.07);
            border-color: rgba(37,99,235,0.2);
        }

        .contact-info-cards .cic-item .cic-icon {
            width: 48px; height: 48px;
            flex-shrink: 0;
            background: linear-gradient(135deg, rgba(37,99,235,0.15), rgba(124,58,237,0.15));
            border-radius: 12px;
            display: flex; align-items: center; justify-content: center;
            font-size: 20px;
        }

        .contact-info-cards .cic-item .cic-text h5 {
            font-size: 14px;
            color: rgba(255,255,255,0.5);
            font-weight: 400;
            margin-bottom: 2px;
        }

        .contact-info-cards .cic-item .cic-text p {
            font-size: 16px;
            color: #fff;
            font-weight: 500;
        }

        /* 微信服务号二维码弹层（白色卡片，向右弹出） */
        .cic-wechat-popup {
            display: none;
            position: absolute;
            left: calc(100% + 12px);
            top: 50%;
            transform: translateY(-50%);
            background: #fff;
            border-radius: 12px;
            padding: 16px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.15);
            z-index: 1001;
            min-width: 150px;
            text-align: center;
        }

        .cic-wechat-popup img {
            width: 120px;
            height: 120px;
            display: block;
            margin: 0 auto 8px;
            border-radius: 6px;
        }

        .cic-wechat-popup span { font-size: 12px; color: #888; }

        .contact-form-wrap {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: 20px;
            padding: 36px;
        }

        .contact-form-wrap .cf-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }

        .contact-form-wrap input,
        .contact-form-wrap textarea {
            width: 100%;
            padding: 14px 18px;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 10px;
            font-size: 14px;
            font-family: inherit;
            color: #fff;
            transition: all 0.3s;
            outline: none;
        }

        .contact-form-wrap input::placeholder,
        .contact-form-wrap textarea::placeholder { color: rgba(255,255,255,0.3); }

        .contact-form-wrap input:focus,
        .contact-form-wrap textarea:focus {
            border-color: #2563eb;
            background: rgba(37,99,235,0.08);
        }

        .contact-form-wrap textarea {
            height: 120px;
            resize: vertical;
            margin-bottom: 16px;
        }

        .contact-form-wrap .submit-btn {
            width: 100%;
            padding: 16px;
            background: linear-gradient(135deg, #2563eb, #7c3aed);
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }

        .contact-form-wrap .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(37,99,235,0.3);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .hero-content h1 { font-size: 40px; }
            .hero-stats { gap: 30px; }
            .about-showcase .container { grid-template-columns: 1fr; gap: 40px; }
            .about-showcase { height: auto; padding: 80px 0; }
            .as-card { padding: 20px; }
            .contact-layout { grid-template-columns: 1fr; gap: 40px; }
        }

        @media (max-width: 768px) {
            .hero { min-height: 0; padding: 100px 0 60px; }
            .hero-content h1 { font-size: 30px; }
            .hero-content p { font-size: 16px; }
            .hero-stats { flex-direction: column; gap: 16px; }
            .service-grid { grid-template-columns: repeat(2, 1fr); }
            .contact-form-wrap .cf-row { grid-template-columns: 1fr; }

            /* 微信二维码弹层：手机端向下居中弹出 */
            .cic-wechat-popup {
                left: 50%;
                top: calc(100% + 10px);
                transform: translateX(-50%);
            }
            .about-showcase .as-left h2 { font-size: 30px; }
            .about-showcase { height: auto; padding: 60px 0; }

            /* 表单输入字号 ≥16px，避免 iOS 聚焦时自动放大页面 */
            .contact-form-wrap input,
            .contact-form-wrap textarea { font-size: 16px; }

            /* 手机端浮动按钮保持在右侧，二维码弹窗向左弹出 */
            .float-contact {
                right: 20px;
                left: auto;
                bottom: 100px;
            }
            .float-item .float-popup {
                right: 58px;
                left: auto;
                top: 50%;
                transform: translateY(-50%);
                bottom: auto;
            }
        }
        @media (max-width: 480px) {
            .service-grid { grid-template-columns: 1fr; }

            /* 移动端排版：按钮全宽、可点区域 ≥44px，字号与留白收紧 */
            .hero-content { padding: 100px 16px 60px; }
            .hero-content p { font-size: 15px; }
            .hero-btns { width: 100%; }
            .hero-btn-primary,
            .hero-btn-secondary { width: 100%; padding: 15px 20px; text-align: center; }
            .hero-stats { margin-top: 40px; }
            .services-section { padding: 60px 0 70px; }
            .partners-section { padding: 60px 0; }
            .contact-section { padding: 60px 0; }
            .section-title { margin-bottom: 40px; }
            .about-showcase .as-left .as-btn { display: block; text-align: center; padding: 14px 20px; }
            .contact-info-cards .cic-item { padding: 16px; }
        }

        /* ===== 表单抖动动画 ===== */
        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            20% { transform: translateX(-8px); }
            40% { transform: translateX(8px); }
            60% { transform: translateX(-5px); }
            80% { transform: translateX(5px); }
        }