.banner-image::before {
        position: absolute;
        content: "";
        width: 100%;
        height: 100%;
        left: 0;
        top: 0;
        background: -webkit-gradient(linear, left top, left bottom, color-stop(80%, transparent), to(rgba(0, 0, 0, .5)));
        background: -webkit-linear-gradient(top, transparent 80%, rgba(0, 0, 0, .8) 100%);
        background: -o-linear-gradient(top, transparent 80%, rgba(0, 0, 0, .8) 100%);
        background: linear-gradient(to bottom, transparent 20%, rgba(0, 0, 0, .8) 100%);
        -o-transition: all 0.4s ease;
        transition: all 0.4s ease;
        -webkit-transition: all 0.4s ease;
        -moz-transition: all 0.4s ease;
        -ms-transition: all 0.4s ease;
    }
.banner-image img{width:100%; display:block; object-fit:cover;}
/* 解决方案区域 */
:root {
            --primary-color: #8CAAF8;
            --primary-light: #E6EEFF;
            --primary-dark: #6B8EE6;
            --primary-gradient: linear-gradient(135deg, #8CAAF8 0%, #6B8EE6 100%);
            --text-dark: #1E2A44;
            --text-muted: #5B6E8C;
            --bg-color: #F7F9FD;
            --white: #FFFFFF;
            --shadow-hover: 0 20px 40px -10px rgba(140, 170, 248, 0.4);
}
.fang-wrapper {
            width: 1400px;
            max-width: 100%;
            padding: 0 1.5rem;
            margin: 0 auto;
        }

        /* ================= 1. 顶部 Fang 区域 ================= */
        .fang-section {
            text-align: center;
            padding: 5rem 1rem 4rem;
            background: radial-gradient(circle at center top, rgba(140,170,248,0.15) 0%, transparent 60%);
            margin-bottom: 2rem;
        }

        .fang-section .fang-title {
            font-size: clamp(1.8rem, 4vw, 3rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            color: #000000;
            line-height: 1.2;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .fang-section .fang-title span {
            color: #000000;
        }

        /* ================= 2. 方案网格布局 ================= */
        .fangan-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 0.5rem;
        }

        .sol-card {
            background: var(--white);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 8px 24px -8px rgba(30, 42, 68, 0.08);
            transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(140, 170, 248, 0.15);
            height: 100%;
            position: relative;
            cursor: pointer;
        }

        .sol-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-color);
        }

        .sol-image {
            width: 100%;
            aspect-ratio: 16 / 10;
            background: var(--primary-light);
            overflow: hidden;
            position: relative;
        }

        .sol-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.6s ease;
        }

        .sol-image::after {
            content: "查看方案详情 →";
            position: absolute;
            inset: 0;
            background: rgba(140, 170, 248, 0.75);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 1.1rem;
            opacity: 0;
            transition: opacity 0.3s ease;
            backdrop-filter: blur(2px);
        }

        .sol-card:hover .sol-image img { transform: scale(1.08); }
        .sol-card:hover .sol-image::after { opacity: 1; }

        .sol-content {
            padding: 1.4rem 1.3rem 1.5rem;
            display: flex;
            flex-direction: column;
            flex: 1;
            align-items: flex-start; /* 内容默认靠左 */
        }

        .sol-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 0.6rem;
            transition: color 0.2s;
        }

        .sol-card:hover .sol-content h3 { color: var(--primary-dark); }

        .fang-text {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 1.2rem;
            display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 3;
            overflow: hidden;
            flex: 1;
            width: 100%;
        }

        /* ================= 核心调整：统一按钮样式 ================= */
        .fang-action-btn,
        .fang-trust-cta-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--primary-dark);
            font-size: 1rem; 
            font-weight: 600;
            padding: 0.8rem 1.5rem; 
            border-radius: 50px; 
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid rgba(140, 170, 248, 0.6);
            cursor: pointer;
        }

        /* 方案卡片内的按钮：宽度自适应，水平居中 */
        .fang-action-btn {
            margin-top: auto;
            margin-left: auto;
            margin-right: auto;
            width: fit-content;
        }

        /* 信任区的大按钮（由外部 flex 居中，这里只控制尺寸和样式） */
        .fang-trust-cta-btn {
            font-size: 1.2rem;
            padding: 1.2rem 3.5rem;
            width: fit-content;
        }

        /* 统一的鼠标经过特效 */
        .fang-action-btn:hover,
        .fang-trust-cta-btn:hover,
        .sol-card:hover .fang-action-btn {
            background: var(--primary-gradient);
            color: white;
            border-color: transparent;
            box-shadow: 0 10px 20px -5px rgba(107, 142, 230, 0.5);
            transform: translateY(-3px);
        }

        .fang-trust-cta-btn svg {
            width: 22px;
            height: 22px;
            stroke: currentColor;
            stroke-width: 2;
            fill: none;
            transition: transform 0.3s ease;
        }

        .fang-trust-cta-btn:hover svg {
            transform: translateX(5px);
        }

        /* ================= 3. 底部信任背书 ================= */
        .trust-section {
            margin-top: 6rem;
            background: var(--white);
            border-radius: 28px;
            padding: 4rem 3rem;
            box-shadow: 0 20px 40px -15px rgba(30, 42, 68, 0.05);
            border: 1px solid rgba(140, 170, 248, 0.2);
            text-align: center;
            position: relative;
            overflow: hidden;
            margin-bottom: 6rem;
        }

        .trust-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: var(--primary-light);
            border-radius: 50%;
            filter: blur(80px);
            opacity: 0.6;
            z-index: 0;
        }

        .trust-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 3.5rem;
            color: var(--text-dark);
            position: relative;
            z-index: 1;
        }

        .trust-section h2 span { color: var(--primary-dark); }

        .trust-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            position: relative;
            z-index: 1;
            text-align: left;
        }

        .trust-item {
            padding: 2rem 1.8rem;
            border-radius: 20px;
            background: var(--bg-color);
            transition: all 0.4s ease;
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

        .trust-item:hover {
            transform: translateY(-5px);
            background: var(--white);
            border-color: rgba(140, 170, 248, 0.4);
            box-shadow: 0 15px 30px -10px rgba(140, 170, 248, 0.15);
        }

        .trust-number {
            position: absolute;
            top: 0.5rem;
            right: 1.2rem;
            font-size: 6.5rem;
            font-weight: 900;
            font-style: normal;
            color: rgba(140, 170, 248, 0.15);
            line-height: 1;
            letter-spacing: -0.05em;
            z-index: 0;
            pointer-events: none;
            transition: all 0.3s ease;
            font-family: 'Inter', sans-serif;
        }

        .trust-item:hover .trust-number {
            color: rgba(140, 170, 248, 0.25);
            transform: translateY(-2px) scale(1.02);
        }

        .trust-icon-wrapper {
            width: 50px;
            height: 50px;
            background: var(--primary-light);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.2rem;
            transition: all 0.3s ease;
            position: relative;
            z-index: 1;
        }

        .trust-icon-wrapper svg {
            width: 26px;
            height: 26px;
            stroke: var(--primary-dark);
            stroke-width: 1.8;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
            transition: stroke 0.3s ease;
        }

        .trust-item:hover .trust-icon-wrapper {
            transform: scale(1.1) rotate(-5deg);
            background: var(--primary-gradient);
        }

        .trust-item:hover .trust-icon-wrapper svg {
            stroke: white;
        }

        .trust-item h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 0.8rem;
            position: relative;
            z-index: 1;
        }

        .trust-item p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            position: relative;
            z-index: 1;
        }

        .trust-item p strong {
            color: var(--primary-dark);
            font-weight: 700;
        }

        .data-highlight {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-weight: 700;
            font-size: 0.85rem;
            margin: 0 0.1rem;
        }

        /* ================= 底部 CTA 区域 (核心修改) ================= */
        .trust-cta-wrapper {
            margin-top: 3.5rem;
            position: relative;
            z-index: 2;
            
            /* 使用 Flex 布局实现绝对居中 */
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 100%;
        }

        .cta-subtext {
            display: block;
            margin-top: 1rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            text-align: center;
        }

        /* ================= 响应式适配 ================= */
        @media (max-width: 1300px) {
            .fangan-grid { gap: 1.2rem; }
            .sol-content { padding: 1.2rem 1rem 1.3rem; }
            .sol-content h3 { font-size: 20px; }
            .fang-text { font-size: 16px; }
            .fang-action-btn { padding: 0.7rem 1rem; font-size: 0.9rem; }
        }

        @media (max-width: 1024px) {
            .fangan-grid { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
            
            .sol-content h3 { font-size: 1.25rem; }
            .fang-text { font-size: 16px; }
            
            .trust-section { padding: 3rem 1.5rem; }
            .trust-grid { gap: 1.2rem; }
            .trust-item { padding: 1.5rem 1.2rem; }
            
            .trust-number { font-size: 5.5rem; }
            .fang-trust-cta-btn { padding: 1rem 2.5rem; font-size: 1.1rem; }
        }

        @media (max-width: 768px) {
            .fang-section { padding: 3.5rem 1rem 2.5rem; }
            .trust-section h2 { font-size: 1.8rem; }
            
            .fangan-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
            .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
            
            .trust-number { font-size: 4.5rem; top: 0.5rem; right: 0.8rem; }
            .trust-icon-wrapper { width: 40px; height: 40px; border-radius: 10px; margin-bottom: 1rem; }
            .trust-icon-wrapper svg { width: 22px; height: 22px; }
            .trust-item { padding: 1.2rem 1rem; }
            .trust-item h4 { font-size: 1rem; margin-bottom: 0.5rem; }
            .trust-item p { font-size: 0.85rem; line-height: 1.5; }
        }

        @media (max-width: 600px) {
            .fangan-grid { gap: 1rem; }
            .sol-content { padding: 1.2rem 1rem 1.4rem; }
            .sol-content h3 { font-size: 1.1rem; }
            .fang-text { font-size: 0.85rem; margin-bottom: 1rem; }
            .fang-action-btn { padding: 0.6rem 0.8rem; font-size: 0.8rem; }
            
            .trust-section { padding: 2.5rem 1rem; border-radius: 20px; }
            .trust-section h2 { font-size: 1.4rem; margin-bottom: 2rem; }
            
            .trust-number { font-size: 3.8rem; }
            .trust-cta-wrapper { margin-top: 2.5rem; }
            .fang-trust-cta-btn { padding: 1rem 1.5rem; font-size: 1rem; width: 100%; }
        }

        .sol-image img { background: #D6E2FB; min-height: 120px; }