* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html, body {
            width: 100%;
            background: #f5f0f8;
            scroll-behavior: smooth;
        }

        .power-module {
            display: block;
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Georgia', serif;
            max-width: 100%;
            width: 100%;
            background: transparent;
            line-height: 1.5;
            color: #1a2b3c;
            overflow-x: hidden;
            margin: 0;
            padding: 20px;
            position: relative;
            min-height: 100vh;
        }

        /* ★ 大背景音符水印：直接放在模块背景层，完全不被卡片遮挡 */
        .watermark-note {
            position: absolute;
            pointer-events: none;
            font-family: 'Segoe UI', 'Arial Unicode MS', 'Georgia', serif;
            font-weight: 300;
            z-index: 0;
            color: rgba(199, 36, 177, 0.25);
            white-space: nowrap;
        }
        /* 散落各处的音符，更大更明显 */
        .watermark-note-1 { top: 3%; left: 3%; font-size: 10rem; transform: rotate(-15deg); }
        .watermark-note-2 { top: 5%; right: 5%; font-size: 8rem; transform: rotate(10deg); }
        .watermark-note-3 { top: 30%; left: 1%; font-size: 12rem; transform: rotate(-8deg); }
        .watermark-note-4 { top: 45%; right: 2%; font-size: 9rem; transform: rotate(15deg); }
        .watermark-note-5 { bottom: 12%; left: 4%; font-size: 11rem; transform: rotate(-12deg); }
        .watermark-note-6 { bottom: 18%; right: 3%; font-size: 7rem; transform: rotate(8deg); }
        .watermark-note-7 { bottom: 35%; left: 18%; font-size: 6rem; transform: rotate(-25deg); }
        .watermark-note-8 { top: 20%; left: 20%; font-size: 5rem; transform: rotate(6deg); }
        .watermark-note-9 { bottom: 5%; right: 12%; font-size: 6.5rem; transform: rotate(-10deg); }
        .watermark-note-10 { top: 60%; left: 10%; font-size: 5rem; transform: rotate(18deg); }

        @media (max-width: 900px) {
            .watermark-note-3, .watermark-note-4, .watermark-note-7, .watermark-note-8, .watermark-note-9, .watermark-note-10 { display: none; }
            .watermark-note-1 { font-size: 7rem; top: 2%; left: 1%; }
            .watermark-note-2 { font-size: 6rem; top: 4%; right: 1%; }
            .watermark-note-5 { font-size: 8rem; bottom: 6%; left: 1%; }
            .watermark-note-6 { font-size: 5.5rem; bottom: 12%; right: 1%; }
        }
        @media (max-width: 600px) {
            .watermark-note-1, .watermark-note-2, .watermark-note-5, .watermark-note-6 { display: none; }
        }

        /* 核心卡片 - 背景更透明，让大音符透彻显示 */
        .service-card {
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(0px);
            border-radius: 2rem;
            box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.1);
            padding: 2rem 2rem;
            border: 1px solid rgba(199, 36, 177, 0.25);
            position: relative;
            z-index: 1;
            overflow-x: hidden;
            transition: all 0.3s ease;
            width: 100%;
            margin: 0 auto;
        }
        .service-card:hover {
            background: rgba(255, 255, 255, 0.85);
            box-shadow: 0 30px 55px -18px rgba(199, 36, 177, 0.15);
            border-color: rgba(199, 36, 177, 0.4);
        }

        .section-title {
            font-size: 1.5rem;
            font-weight: 500;
            color: #3f3f4a;
            margin: 2rem 0 1rem 0;
            position: relative;
            display: inline-block;
            background: transparent;
            z-index: 1;
            max-width: 100%;
        }
        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            bottom: 2px;
            width: 100%;
            height: 0.7rem;
            background: rgba(199, 36, 177, 0.35);
            z-index: -1;
            border-radius: 2px;
            pointer-events: none;
        }
        .section-title:first-of-type {
            margin-top: 0;
        }

        .title-section {
            text-align: center;
            margin-bottom: 1.8rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid rgba(199, 36, 177, 0.2);
        }
        .title-section h2 {
            font-size: 2.2rem;
            font-weight: 500;
            margin-bottom: 0.5rem;
            color: #1e1e24;
            letter-spacing: -0.3px;
        }
        .title-section .sub {
            font-size: 1.05rem;
            color: #c724b1;
            font-weight: 400;
        }

        .intro-block {
            background: rgba(254, 250, 253, 0.7);
            border-radius: 1.5rem;
            padding: 1.2rem 1.8rem;
            margin-bottom: 2rem;
            text-align: center;
            border: 1px solid rgba(199, 36, 177, 0.2);
        }
        .intro-block p {
            font-size: 1.05rem;
            color: #3d3d45;
            margin-bottom: 0.5rem;
        }
        .intro-block strong {
            color: #c724b1;
            font-weight: 500;
        }

        .capability-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2rem 0;
            background: rgba(255, 255, 255, 0.7);
            border-radius: 1.2rem;
            overflow: hidden;
            border: 1px solid #eae7f1;
            display: table;
            table-layout: fixed;
        }
        .capability-table th, .capability-table td {
            padding: 1rem 1rem;
            text-align: left;
            border-bottom: 1px solid #efecf5;
            font-size: 0.98rem;
            word-break: break-word;
        }
        .capability-table th {
            background: rgba(251, 250, 253, 0.85);
            color: #c724b1;
            font-weight: 500;
        }
        .capability-table td {
            color: #40404a;
        }
        .capability-table tr:last-child td,
        .capability-table tr:last-child th {
            border-bottom: none;
        }

        .plug-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin: 1rem 0 1.8rem;
        }
        .plug-card {
            background: rgba(255, 255, 255, 0.7);
            border-radius: 1.2rem;
            padding: 1rem 0.5rem;
            text-align: center;
            border: 1px solid #ece9f2;
            transition: all 0.2s ease;
        }
        .plug-card:hover {
            border-color: #c724b1;
            transform: translateY(-2px);
            background: rgba(255, 255, 255, 0.9);
            box-shadow: 0 12px 20px -12px rgba(199,36,177,0.1);
        }
        .plug-name {
            font-weight: 500;
            color: #c724b1;
            font-size: 1rem;
            margin-bottom: 0.3rem;
        }
        .plug-desc {
            font-size: 0.82rem;
            color: #5f5f6e;
        }

        .valve-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin: 1rem 0 1.8rem;
        }
        .valve-card {
            background: rgba(255, 255, 255, 0.7);
            border-radius: 1.2rem;
            padding: 1rem 0.5rem;
            text-align: center;
            border: 1px solid #ece9f2;
            transition: all 0.2s;
        }
        .valve-card:hover {
            border-color: #c724b1;
            background: rgba(255, 255, 255, 0.9);
            transform: translateY(-2px);
        }
        .valve-name {
            font-weight: 500;
            color: #c724b1;
            font-size: 0.95rem;
            margin-bottom: 0.3rem;
        }
        .valve-desc {
            font-size: 0.78rem;
            color: #5f5f6e;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
            margin: 1.2rem 0 1.8rem;
        }
        .service-chip {
            background: rgba(199, 36, 177, 0.1);
            border-radius: 2rem;
            padding: 0.8rem 0.3rem;
            text-align: center;
            border: 1px solid rgba(199, 36, 177, 0.25);
            font-size: 0.92rem;
            font-weight: 460;
            color: #c724b1;
            transition: all 0.2s;
        }
        .service-chip:hover {
            border-color: #c724b1;
            background: rgba(199, 36, 177, 0.18);
            transform: translateY(-1px);
        }

        /* CTA区块：主题色 #c724b1 背景，黑色文字 */
        .cta-block {
            background: #c724b1;
            border-radius: 2rem;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0 1rem;
            text-align: center;
            border: none;
            box-shadow: 0 4px 12px rgba(199, 36, 177, 0.3);
            transition: all 0.2s;
        }
        .cta-block:hover {
            background: #a01c8a;
            transform: scale(1.01);
            box-shadow: 0 8px 20px rgba(199, 36, 177, 0.4);
        }
        .cta-text {
            font-size: 1.25rem;
            font-weight: 600;
            color: #000000;
            letter-spacing: -0.2px;
        }

        hr {
            margin: 1.2rem 0;
            border: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, #c724b1, transparent);
            opacity: 0.3;
        }

        .footer-line {
            text-align: center;
            color: #6a6a7a;
            font-size: 0.82rem;
            margin-top: 1rem;
            padding-top: 0.8rem;
            border-top: 1px dashed rgba(199, 36, 177, 0.25);
        }

        .power-module .music-note {
            color: #c724b1 !important;
            font-size: 0.95rem;
            font-family: 'Segoe UI', 'Arial Unicode MS', Georgia, serif;
            display: inline-block;
            opacity: 0.8;
        }

        @media (max-width: 900px) {
            .plug-grid, .valve-grid { grid-template-columns: repeat(2, 1fr); }
            .services-grid { grid-template-columns: repeat(2, 1fr); }
            .service-card { padding: 1.5rem; }
        }
        @media (max-width: 768px) {
            .title-section h2 { font-size: 1.6rem; }
            .capability-table th, .capability-table td { font-size: 0.88rem; padding: 0.7rem; }
            .section-title { font-size: 1.3rem; }
            .intro-block p { font-size: 0.95rem; }
            .cta-text { font-size: 1.1rem; }
        }
        @media (max-width: 550px) {
            .plug-grid, .valve-grid, .services-grid { grid-template-columns: 1fr; }
            .service-card { padding: 1.2rem; }
        }