:root {
            --primary: #9f1239;
            --accent: #e11d48;
            --bg: #fafafa;
            --text: #3f0a1a;
            --hard-shadow: 6px 6px 0px rgba(159, 18, 57, 0.2);
            --border-w: 2px;
        }
        * { font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; }
        body {
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
        }
        h1,h2,h3,h4,h5,h6 { font-weight: 800; letter-spacing: -0.02em; }
        .container-custom { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

        /* 全直角硬朗 · 无圆角 */
        .btn, .card, .navbar, .bento-item, .hero-box, .cta-box {
            border-radius: 0 !important;
        }

        /* 几何色块背景 (圆/方/三角散布) */
        .geo-bg {
            position: relative;
        }
        .geo-bg::before, .geo-bg::after {
            content: '';
            position: absolute;
            z-index: -1;
            opacity: 0.2;
            pointer-events: none;
        }
        .geo-bg::before {
            width: 220px; height: 220px;
            background: var(--primary);
            top: 10%; left: -80px;
            clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
        }
        .geo-bg::after {
            width: 180px; height: 180px;
            background: var(--accent);
            bottom: 5%; right: -40px;
            border-radius: 0; /* 方形 */
            transform: rotate(25deg);
        }
        .geo-square {
            position: absolute;
            width: 40px; height: 40px;
            background: var(--primary);
            opacity: 0.15;
            top: 20%; right: 8%;
            z-index: -1;
        }
        .geo-circle {
            position: absolute;
            width: 80px; height: 80px;
            background: var(--accent);
            opacity: 0.1;
            border-radius: 50%;
            bottom: 15%; left: 5%;
            z-index: -1;
        }

        /* 渐变文字 */
        .gradient-text {
            background: linear-gradient(135deg, #9f1239 0%, #e11d48 80%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: 900;
        }

        /* 导航硬朗 */
        .navbar {
            background: var(--bg) !important;
            border-bottom: 2px solid var(--text);
            box-shadow: 4px 4px 0 rgba(0,0,0,0.02);
            padding: 12px 0;
        }
        .navbar-brand {
            font-weight: 900;
            font-size: 1.8rem;
            color: var(--primary) !important;
            letter-spacing: -0.03em;
        }
        .navbar-nav .nav-link {
            font-weight: 600;
            color: var(--text);
            padding: 8px 16px;
            border: 2px solid transparent;
        }
        .navbar-nav .nav-link:hover {
            border-color: var(--text);
            background: var(--bg);
            box-shadow: 3px 3px 0 var(--text);
        }
        .btn-hard {
            border: 2px solid var(--text);
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            padding: 10px 28px;
            box-shadow: 5px 5px 0 var(--text);
            transition: all .2s;
            border-radius: 0;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        .btn-hard::after {
            content: '';
            position: absolute;
            top: 0; left: -100%;
            width: 100%; height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
            transition: left 0.5s;
            z-index: -1;
        }
        .btn-hard:hover {
            transform: translate(2px, 2px);
            box-shadow: 2px 2px 0 var(--text);
            background: #be123c;
        }
        .btn-hard:hover::after { left: 100%; }

        /* Bento 网格布局 */
        .bento-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin: 40px 0;
        }
        .bento-item {
            background: #fff;
            border: 2px solid var(--text);
            box-shadow: var(--hard-shadow);
            padding: 1.8rem 1.5rem;
            transition: all 0.2s ease;
        }
        .bento-item:hover { transform: translate(-2px, -2px); box-shadow: 8px 8px 0 rgba(159,18,57,0.3); }
        .col-span-2 { grid-column: span 2; }
        .col-span-3 { grid-column: span 3; }
        .col-span-4 { grid-column: span 4; }
        .row-span-2 { grid-row: span 2; }

        /* 编号清单 */
        .numbered-list {
            list-style: none;
            padding-left: 0;
            counter-reset: my-counter;
        }
        .numbered-list li {
            counter-increment: my-counter;
            margin-bottom: 1.2rem;
            font-weight: 500;
            padding-left: 2.8rem;
            position: relative;
            border-bottom: 1px dashed #e5b7c2;
            padding-bottom: 0.8rem;
        }
        .numbered-list li::before {
            content: counter(my-counter);
            position: absolute;
            left: 0;
            top: 0;
            font-weight: 900;
            font-size: 1.4rem;
            color: var(--primary);
            background: #fce7ec;
            width: 36px; height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--text);
            box-shadow: 2px 2px 0 var(--text);
        }

        /* 对比表格 (特色对比) */
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            box-shadow: var(--hard-shadow);
            border: 2px solid var(--text);
        }
        .compare-table th, .compare-table td {
            border: 2px solid var(--text);
            padding: 16px 20px;
            text-align: left;
            font-weight: 500;
        }
        .compare-table th {
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
        }
        .compare-table td:first-child { font-weight: 800; background: #fdf2f4; }

        /* FAQ */
        .faq-item {
            background: #fff;
            border: 2px solid var(--text);
            padding: 1.4rem;
            margin-bottom: 1rem;
            box-shadow: 3px 3px 0 var(--text);
        }
        .faq-question { font-weight: 800; font-size: 1.2rem; color: var(--primary); }

        /* 滚动动画 */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.3, 1), transform 0.7s;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* 数字动画 */
        .counter { display: inline-block; font-weight: 900; }

        /* 友情链接区 */
        .friend-links {
            border-top: 3px solid var(--text);
            margin-top: 60px;
            padding: 30px 0;
            background: #fff2f5;
        }

        /* 页脚 */
        footer {
            background: var(--text);
            color: #fbdbe5;
            padding: 30px 0;
            border-top: 4px solid var(--primary);
        }
        footer a { color: #f4a3b7; text-decoration: none; font-weight: 600; }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .bento-grid { grid-template-columns: 1fr; }
            .col-span-2, .col-span-3, .col-span-4 { grid-column: span 1; }
            .navbar-collapse { background: var(--bg); padding: 10px; border: 2px solid var(--text); }
            .hero-box h1 { font-size: 2.4rem; }
        }