/* ✅ 添加唯一父级容器选择器，避免污染全局 */
        .pcb-pricing-module * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        .pcb-pricing-module {
            font-family: 'Inter', 'Segoe UI', Roboto, system-ui, sans-serif;
            line-height: 1.5;
            color: #1a2639;
        }

        .pcb-pricing-module .container {
            max-width: 1320px;
            margin: 0 auto;
            background: white;
            border-radius: 2.8rem;
            box-shadow: 0 30px 50px -20px rgba(0,0,0,0.25);
            padding: 2.5rem 2.2rem;
        }

        /* accent #c724b1 */
        .pcb-pricing-module .accent-badge {
            background: #c724b1;
            color: white;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.25rem 1rem;
            border-radius: 30px;
            letter-spacing: 0.3px;
            display: inline-block;
        }

        .pcb-pricing-module h1, 
        .pcb-pricing-module h2, 
        .pcb-pricing-module h3 {
            font-weight: 600;
            line-height: 1.2;
        }

        .pcb-pricing-module h2 {
            font-size: 2rem;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .pcb-pricing-module h2 i, 
        .pcb-pricing-module h3 i {
            color: #c724b1;
            font-style: normal;
        }

        .pcb-pricing-module h3 {
            font-size: 1.4rem;
            border-bottom: 2px solid rgba(199,36,177,0.2);
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 音符基本样式 */
        .pcb-pricing-module .note-icon {
            display: inline-block;
            color: #c724b1;
            font-style: normal;
            font-weight: normal;
        }
        .pcb-pricing-module .note-large {
            font-size: 2rem;
        }
        .pcb-pricing-module .note-medium {
            font-size: 1.5rem;
        }
        .pcb-pricing-module .note-small {
            font-size: 1rem;
        }

        /* header with tiered statement */
        .pcb-pricing-module .hero-block {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 2rem;
            background: #fcf2fb;
            padding: 1.2rem 2rem;
            border-radius: 4rem;
            border: 1px solid rgba(199,36,177,0.3);
        }

        .pcb-pricing-module .hero-block h1 {
            font-size: 2.2rem;
            font-weight: 700;
            background: linear-gradient(145deg, #1e1e2f, #3a2c3a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pcb-pricing-module .hero-block .tier-highlight {
            background: #c724b1;
            color: white;
            padding: 0.4rem 1.8rem;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1.3rem;
            box-shadow: 0 6px 12px rgba(199,36,177,0.3);
        }

        /* four tier cards */
        .pcb-pricing-module .tier-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            margin: 2.2rem 0 2.5rem;
        }

        .pcb-pricing-module .tier-card {
            background: white;
            border-radius: 2rem;
            padding: 1.5rem 1.2rem;
            flex: 1 1 150px;
            text-align: center;
            border: 1px solid #e2e8f0;
            transition: 0.2s;
            box-shadow: 0 8px 14px -8px rgba(0,0,0,0.1);
        }

        .pcb-pricing-module .tier-card:hover {
            border-color: #c724b1;
            transform: scale(1.02);
        }

        .pcb-pricing-module .tier-card .qty {
            font-size: 2.5rem;
            font-weight: 700;
            color: #c724b1;
            line-height: 1;
        }

        .pcb-pricing-module .tier-card .unit {
            font-size: 0.9rem;
            color: #4a5568;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .pcb-pricing-module .tier-card .hint {
            margin-top: 0.5rem;
            font-size: 0.9rem;
            background: #edf2f7;
            border-radius: 30px;
            padding: 0.3rem;
        }

        /* dimension blocks – main */
        .pcb-pricing-module .dimensions-holder {
            display: flex;
            flex-direction: column;
            gap: 2rem;
            margin-top: 2rem;
        }

        .pcb-pricing-module .dimension-card {
            display: flex;
            flex-wrap: wrap;
            background: #ffffff;
            border-radius: 2rem;
            border-left: 8px solid #c724b1;
            box-shadow: 0 8px 22px -10px rgba(0,0,0,0.08);
            transition: 0.1s;
        }

        .pcb-pricing-module .dim-icon {
            flex: 0 0 70px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: #c724b1;
            background: #fbeaff;
            border-radius: 1.5rem 0 0 1.5rem;
            font-style: normal;
        }

        .pcb-pricing-module .dim-content {
            flex: 1;
            padding: 1.4rem 1.8rem 1.4rem 1rem;
        }

        .pcb-pricing-module .dim-header {
            font-size: 1.7rem;
            font-weight: 650;
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 0.8rem;
        }

        .pcb-pricing-module .dim-header span {
            background: #c724b1;
            color: white;
            padding: 0.2rem 1.2rem;
            border-radius: 60px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        .pcb-pricing-module .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1rem;
            margin: 0.8rem 0 0.4rem;
        }

        .pcb-pricing-module .tag {
            background: #f0f4fa;
            padding: 0.3rem 1.2rem;
            border-radius: 40px;
            font-size: 0.95rem;
            color: #1e293b;
            border: 1px solid transparent;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .pcb-pricing-module .tag i {
            color: #c724b1;
            font-size: 0.8rem;
            font-style: normal;
        }

        .pcb-pricing-module .tag.highlight {
            background: rgba(199,36,177,0.08);
            border: 1px solid #c724b1;
        }

        .pcb-pricing-module .sub-tier {
            margin: 1rem 0 0.5rem 1.5rem;
            padding-left: 1.5rem;
            border-left: 3px dashed #c724b1;
        }

        .pcb-pricing-module .sub-tier p {
            margin: 0.4rem 0;
            font-weight: 450;
        }

        .pcb-pricing-module .sub-tier .accent-dot {
            color: #c724b1;
            font-weight: 600;
            margin-right: 8px;
        }

        /* two-column inside tech */
        .pcb-pricing-module .tech-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-top: 0.5rem;
        }

        .pcb-pricing-module .tech-col {
            flex: 1 1 240px;
        }

        .pcb-pricing-module .tech-col .title-sm {
            font-weight: 600;
            margin: 1rem 0 0.4rem;
            color: #2d3748;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .pcb-pricing-module .specials {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 0.3rem;
        }

        .pcb-pricing-module .special-item {
            background: #c724b1;
            color: white;
            padding: 0.2rem 1rem;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
        }

        .pcb-pricing-module .accent-footnote {
            background: #f9ecfc;
            padding: 1rem 1.5rem;
            border-radius: 2rem;
            margin-top: 1.5rem;
            border-left: 6px solid #c724b1;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* responsiveness */
        @media (max-width: 700px) {
            .pcb-pricing-module .container { padding: 1.5rem; }
            .pcb-pricing-module .hero-block { flex-direction: column; text-align: center; }
            .pcb-pricing-module .dim-icon { flex-basis: 50px; }
        }