:root {
        --acc-primary: #0057b8;
        --acc-primary-dark: #1a365d;
        --acc-primary-light: #dbeafe;
        --acc-secondary: #4298e8;
        --acc-orange: #f97316;
        --acc-red: #ef4444;
        --acc-gold: #d97706;
        --acc-bg-gray: #f5f7fa;
        --acc-text-dark: #1f2937;
        --acc-text-gray: #6b7280;
        --acc-text-light: #9ca3af;
        --acc-border: #e5e7eb;
        --acc-gradient: linear-gradient(135deg, #0057b8 0%, #4298e8 100%);
        --acc-gradient-dark: linear-gradient(135deg, #1a365d 0%, #0057b8 100%);
    }
    * { box-sizing: border-box; }

    /* ========== Hero 区域 ========== */
    .acc-hero {
        background: var(--acc-gradient-dark);
        padding: 60px 0 70px;
        color: #fff;
        position: relative;
        overflow: hidden;
    }
    .acc-hero::before {
        content: '';
        position: absolute;
        top: 0; left: 0; right: 0; bottom: 0;
        background-image: url("data:image/svg+xml,%3Csvg width='30' height='30' viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.06'%3E%3Ccircle cx='15' cy='15' r='2'/%3E%3Ccircle cx='5' cy='5' r='1'/%3E%3Ccircle cx='25' cy='25' r='1'/%3E%3Ccircle cx='25' cy='5' r='1'/%3E%3Ccircle cx='5' cy='25' r='1'/%3E%3C/g%3E%3C/svg%3E");
    }
    .acc-hero .hero-inner { position: relative; z-index: 1; }
    .acc-hero .hero-badge {
        display: inline-flex;
        align-items: center;
        background: rgba(255,255,255,0.15);
        border: 1px solid rgba(255,255,255,0.3);
        padding: 6px 20px;
        border-radius: 25px;
        font-size: 13px;
        margin-bottom: 20px;
    }
    .acc-hero .hero-badge i { color: #fbbf24; margin-right: 6px; }
    .acc-hero h1 {
        font-size: 44px;
        font-weight: 800;
        margin-bottom: 16px;
        line-height: 1.25;
    }
    .acc-hero h1 .highlight { color: #fbbf24; }
    .acc-hero .hero-desc {
        font-size: 17px;
        opacity: 0.95;
        margin-bottom: 28px;
        line-height: 1.8;
    }
    .acc-hero .hero-features {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        margin-bottom: 36px;
    }
    .acc-hero .feat-chip {
        display: inline-flex;
        align-items: center;
        background: rgba(255,255,255,0.12);
        padding: 10px 18px;
        border-radius: 20px;
        font-size: 14px;
    }
    .acc-hero .feat-chip i { color: #93c5fd; margin-right: 8px; }

    .btn-acc-primary {
        background: #fbbf24;
        color: #1a365d;
        padding: 14px 34px;
        border-radius: 30px;
        font-size: 16px;
        font-weight: 700;
        border: none;
        cursor: pointer;
        transition: all 0.25s;
        display: inline-flex;
        align-items: center;
    }
    .btn-acc-primary:hover { background: #f59e0b; transform: translateY(-2px); box-shadow: 0 6px 24px rgba(251,191,36,0.4); color: #fff; }
    .btn-acc-outline {
        background: transparent;
        color: #fff;
        padding: 14px 34px;
        border-radius: 30px;
        font-size: 16px;
        font-weight: 600;
        border: 2px solid rgba(255,255,255,0.5);
        cursor: pointer;
        transition: all 0.25s;
        display: inline-flex;
        align-items: center;
    }
    .btn-acc-outline:hover { background: rgba(255,255,255,0.15); }

    /* ========== 价格对比 ========== */
    .pricing-section { padding: 60px 0; background: #fff; }
    .sec-title { text-align: center; margin-bottom: 10px; }
    .sec-title h2 { font-size: 30px; font-weight: 700; color: var(--acc-text-dark); }
    .sec-title h2 .acc { color: var(--acc-primary); }
    .sec-desc { text-align: center; color: var(--acc-text-gray); margin-bottom: 40px; }

    .pricing-card {
        background: #fff;
        border: 2px solid var(--acc-border);
        border-radius: 16px;
        padding: 36px 28px;
        text-align: center;
        transition: all 0.35s ease;
        position: relative;
        overflow: hidden;
        height: 100%;
    }
    .pricing-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 24px 48px rgba(0,87,184,0.15);
    }
    .pricing-card.featured {
        border-color: var(--acc-primary);
        background: linear-gradient(180deg, #f5f7fa 0%, #fff 100%);
    }
    .pricing-card.featured::before {
        content: '推荐';
        position: absolute;
        top: 0;
        right: 30px;
        background: var(--acc-primary);
        color: #fff;
        padding: 6px 18px;
        border-radius: 0 0 12px 12px;
        font-size: 12px;
        font-weight: 600;
    }
    .pricing-card .plan-name {
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 6px;
        color: var(--acc-text-dark);
    }
    .pricing-card .plan-desc {
        font-size: 13px;
        color: var(--acc-text-gray);
        margin-bottom: 20px;
    }
    .pricing-card .plan-price {
        margin-bottom: 24px;
        padding: 20px 0;
        border-top: 1px dashed var(--acc-border);
        border-bottom: 1px dashed var(--acc-border);
    }
    .pricing-card .plan-price .price-num {
        font-size: 42px;
        font-weight: 800;
        color: var(--acc-primary);
    }
    .pricing-card .plan-price .price-unit {
        font-size: 16px;
        color: var(--acc-text-gray);
    }
    .pricing-card .plan-features { list-style: none; padding: 0; margin: 0 0 24px; text-align: left; }
    .pricing-card .plan-features li {
        padding: 8px 0;
        font-size: 14px;
        color: var(--acc-text-dark);
        display: flex;
        align-items: center;
    }
    .pricing-card .plan-features li i { color: var(--acc-primary); margin-right: 10px; font-size: 16px; }
    .pricing-card .plan-features li.disabled { color: var(--acc-text-light); }
    .pricing-card .plan-features li.disabled i { color: var(--acc-text-light); }
    .btn-plan {
        display: block;
        width: 100%;
        padding: 12px;
        background: var(--acc-primary);
        color: #fff;
        border-radius: 25px;
        font-size: 15px;
        font-weight: 600;
        border: none;
        cursor: pointer;
        transition: all 0.25s;
    }
    .btn-plan:hover { background: var(--acc-primary-dark); color: #fff; }

    /* ========== 服务内容 ========== */
    .service-section { padding: 60px 0; background: var(--acc-bg-gray); }
    .service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    .svc-item {
        background: #fff;
        border-radius: 14px;
        padding: 28px 22px;
        text-align: center;
        transition: all 0.3s;
        border: 2px solid transparent;
    }
    .svc-item:hover {
        border-color: var(--acc-primary);
        box-shadow: 0 12px 32px rgba(0,87,184,0.12);
        transform: translateY(-5px);
    }
    .svc-item .svc-ic {
        width: 64px;
        height: 64px;
        margin: 0 auto 16px;
        border-radius: 16px;
        background: var(--acc-gradient);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 28px;
    }
    .svc-item .svc-nm { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
    .svc-item .svc-ds { font-size: 13px; color: var(--acc-text-gray); line-height: 1.6; }

    /* ========== 行业方案 ========== */
    .industry-section { padding: 60px 0; background: #fff; }
    .industry-card {
        background: #fff;
        border: 1px solid var(--acc-border);
        border-radius: 12px;
        padding: 24px;
        text-align: center;
        transition: all 0.3s;
        cursor: pointer;
    }
    .industry-card:hover {
        background: var(--acc-gradient);
        color: #fff;
        transform: translateY(-4px);
        box-shadow: 0 16px 32px rgba(0,87,184,0.2);
    }
    .industry-card:hover .ind-ic,
    .industry-card:hover .ind-nm,
    .industry-card:hover .ind-ds { color: #fff; }
    .industry-card .ind-ic { color: var(--acc-primary); font-size: 36px; margin-bottom: 12px; transition: color 0.3s; }
    .industry-card .ind-nm { font-size: 16px; font-weight: 600; margin-bottom: 6px; transition: color 0.3s; }
    .industry-card .ind-ds { font-size: 12px; color: var(--acc-text-gray); transition: color 0.3s; }

    /* ========== 增值服务 ========== */
    .valueadd-section {
        background: var(--acc-gradient-dark);
        padding: 60px 0;
        color: #fff;
    }
    .valueadd-section .sec-title h2 { color: #fff; }
    .valueadd-section .sec-desc { color: rgba(255,255,255,0.85); }
    .valueadd-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    .va-card {
        background: rgba(255,255,255,0.08);
        border: 1px solid rgba(255,255,255,0.15);
        border-radius: 12px;
        padding: 28px 22px;
        text-align: center;
        transition: all 0.3s;
    }
    .va-card:hover { background: rgba(255,255,255,0.12); transform: translateY(-4px); }
    .va-card .va-ic {
        width: 56px;
        height: 56px;
        margin: 0 auto 14px;
        border-radius: 50%;
        background: rgba(255,255,255,0.15);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fbbf24;
        font-size: 24px;
    }
    .va-card .va-nm { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
    .va-card .va-ds { font-size: 13px; opacity: 0.9; line-height: 1.6; }

    /* ========== 服务流程 ========== */
    .process-section { padding: 60px 0; background: #fff; }
    .process-row { display: flex; align-items: stretch; justify-content: space-between; gap: 0; max-width: 1100px; margin: 0 auto; }
    .proc-card {
        flex: 1;
        min-width: 0;
        background: #fff;
        border: 2px solid var(--acc-border);
        border-radius: 14px;
        padding: 28px 20px;
        text-align: center;
        transition: all 0.3s;
    }
    .proc-card:hover {
        border-color: var(--acc-primary);
        box-shadow: 0 12px 32px rgba(0,87,184,0.12);
        transform: translateY(-4px);
    }
    .proc-card .proc-num {
        width: 48px;
        height: 48px;
        line-height: 48px;
        border-radius: 50%;
        background: var(--acc-primary);
        color: #fff;
        font-size: 20px;
        font-weight: 700;
        margin: 0 auto 16px;
    }
    .proc-card .proc-ic {
        width: 56px;
        height: 56px;
        margin: 0 auto 14px;
        border-radius: 50%;
        background: var(--acc-primary-light);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--acc-primary);
        font-size: 24px;
    }
    .proc-card .proc-nm { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
    .proc-card .proc-ds { font-size: 13px; color: var(--acc-text-gray); line-height: 1.6; }
    .proc-arrow {
        flex: 0 0 auto;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--acc-primary);
        font-size: 22px;
        padding: 0 4px;
    }

    /* ========== 数据统计 ========== */
    .stats-section { padding: 40px 0; background: var(--acc-bg-gray); }
    .stat-box { text-align: center; padding: 16px 10px; }
    .stat-box .st-num {
        font-size: 38px;
        font-weight: 800;
        background: linear-gradient(135deg, var(--acc-primary), var(--acc-secondary));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    .stat-box .st-num .u { font-size: 20px; }
    .stat-box .st-lb { font-size: 14px; color: var(--acc-text-gray); font-weight: 500; }

    /* ========== FAQ ========== */
    .faq-section { padding: 60px 0; background: var(--acc-bg-gray); }
    .faq-item {
        background: #fff;
        border-radius: 12px;
        margin-bottom: 12px;
        overflow: hidden;
        border: 1px solid var(--acc-border);
        transition: all 0.3s;
    }
    .faq-item.open { border-color: var(--acc-primary); box-shadow: 0 8px 24px rgba(0,87,184,0.1); }
    .faq-q {
        padding: 20px 24px;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 16px;
        font-weight: 600;
    }
    .faq-q i { color: var(--acc-primary); margin-right: 10px; }
    .faq-q .faq-toggle { transition: transform 0.3s; color: var(--acc-text-light); }
    .faq-item.open .faq-toggle { transform: rotate(180deg); color: var(--acc-primary); }
    .faq-a {
        padding: 0 24px 20px;
        color: var(--acc-text-gray);
        line-height: 1.8;
        font-size: 14px;
        display: none;
    }
    .faq-item.open .faq-a { display: block; }

    /* ========== 文章资讯 ========== */
    .news-section { padding: 60px 0; background: #fff; }
    .news-row { display: flex; gap: 30px; }
    .news-main { flex: 1; }
    .news-item {
        display: flex;
        align-items: center;
        padding: 18px 20px;
        background: #fff;
        border-radius: 12px;
        margin-bottom: 14px;
        transition: all 0.3s;
        border: 1px solid var(--acc-border);
    }
    .news-item:hover { border-color: var(--acc-primary); box-shadow: 0 4px 20px rgba(0,87,184,0.1); transform: translateX(4px); }
    .news-item .news-tag {
        background: var(--acc-primary-light);
        color: var(--acc-primary);
        padding: 3px 12px;
        border-radius: 10px;
        font-size: 12px;
        font-weight: 500;
        margin-right: 14px;
        flex-shrink: 0;
    }
    .news-item .news-title { flex: 1; font-size: 15px; font-weight: 500; line-height: 1.6; }
    .news-item .news-title:hover { color: var(--acc-primary); }
    .news-item .news-meta { font-size: 13px; color: var(--acc-text-light); flex-shrink: 0; margin-left: 14px; }

    .sidebar { width: 300px; flex-shrink: 0; }
    .sidebar-card {
        background: #fff;
        border-radius: 12px;
        padding: 24px;
        margin-bottom: 20px;
        border: 1px solid var(--acc-border);
    }
    .sidebar-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--acc-primary); display: flex; align-items: center; }
    .sidebar-card h4 i { color: var(--acc-primary); margin-right: 8px; }
    .contact-card { text-align: center; background: var(--acc-gradient); color: #fff; }
    .contact-card h4 { color: #fff; border-bottom-color: rgba(255,255,255,0.3); }
    .contact-card h4 i { color: #fbbf24; }
    .contact-card .phone { font-size: 24px; font-weight: 700; margin: 12px 0 6px; }
    .contact-card .wechat { font-size: 14px; opacity: 0.95; margin-bottom: 16px; }
    .contact-card button {
        background: #fff;
        color: var(--acc-primary);
        padding: 10px 28px;
        border-radius: 20px;
        border: none;
        font-weight: 600;
        font-size: 14px;
        cursor: pointer;
        transition: all 0.25s;
    }
    .contact-card button:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.2); }

    .side-list { list-style: none; padding: 0; margin: 0; }
    .side-list li { margin-bottom: 10px; }
    .side-list li a {
        display: flex;
        align-items: center;
        padding: 10px 14px;
        background: var(--acc-bg-gray);
        border-radius: 8px;
        font-size: 14px;
        transition: all 0.2s;
    }
    .side-list li a:hover { background: var(--acc-primary-light); color: var(--acc-primary); transform: translateX(4px); }
    .side-list li a i { color: var(--acc-primary); margin-right: 10px; }

    /* ========== CTA ========== */
    .cta-section {
        background: linear-gradient(135deg, #f97316 0%, #d97706 100%);
        padding: 50px 0;
        color: #fff;
        text-align: center;
    }
    .cta-section h2 { font-size: 32px; font-weight: 700; margin-bottom: 14px; }
    .cta-section p { font-size: 16px; margin-bottom: 28px; opacity: 0.95; }
    .btn-cta {
        display: inline-flex;
        align-items: center;
        padding: 14px 38px;
        border-radius: 30px;
        font-size: 16px;
        font-weight: 600;
        border: none;
        cursor: pointer;
        transition: all 0.25s;
        margin: 0 8px;
    }
    .btn-cta-primary { background: #fff; color: var(--acc-orange); }
    .btn-cta-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(0,0,0,0.2); }
    .btn-cta-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.6); }
    .btn-cta-outline:hover { background: rgba(255,255,255,0.15); }

    @@media (max-width: 992px) {
        .service-grid { grid-template-columns: repeat(2, 1fr); }
        .valueadd-grid { grid-template-columns: repeat(2, 1fr); }
        .news-row { flex-direction: column; }
        .sidebar { width: 100%; }
    }
    @@media (max-width: 768px) {
        .acc-hero { padding: 40px 0 50px; }
        .acc-hero h1 { font-size: 30px; }
        .acc-hero .hero-desc { font-size: 14px; }
        .service-grid { grid-template-columns: 1fr; }
        .valueadd-grid { grid-template-columns: 1fr; }
        .process-row { flex-direction: column; }
        .proc-arrow { transform: rotate(90deg); padding: 8px 0; }
        .stat-box .st-num { font-size: 28px; }
        .sec-title h2 { font-size: 24px; }
    }