* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }
        body {
            background: #fdf7f7;
            color: #2c2c2c;
            line-height: 1.7;
        }
        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 头部横幅 */
        .hero {
            background: linear-gradient(135deg, #b71c1c 0%, #d32f2f 100%);
            color: white;
            padding: 48px 0 40px;
            border-radius: 0 0 32px 32px;
            margin-bottom: 40px;
            text-align: center;
        }
        .hero .badge {
            background: rgba(255,255,255,0.2);
            display: inline-block;
            padding: 4px 18px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }
        .hero .hero-title {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.15rem;
            opacity: 0.92;
            max-width: 750px;
            margin: 0 auto;
        }

        /* 引言 */
        .intro-text {
            font-size: 1.1rem;
            margin-bottom: 36px;
            padding: 0 4px;
        }
        .intro-text strong {
            color: #b71c1c;
        }

        /* 阶段卡片 */
        .phase-card {
            background: white;
            border-radius: 20px;
            padding: 28px 32px;
            margin-bottom: 24px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.06);
            border-left: 6px solid #c62828;
            transition: 0.2s;
        }
        .phase-card:hover {
            box-shadow: 0 8px 28px rgba(0,0,0,0.10);
            transform: translateY(-2px);
        }
        .phase-card .phase-number {
            display: inline-block;
            background: #c62828;
            color: white;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 2px 16px;
            border-radius: 30px;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .phase-card h2 {
            color: #b71c1c;
            font-size: 1.5rem;
            margin-bottom: 8px;
        }
        .phase-card h2 .emoji {
            margin-right: 10px;
        }
        .phase-card p {
            color: #444;
            margin-bottom: 10px;
        }
        .phase-card ul {
            margin: 12px 0 4px 24px;
            color: #444;
        }
        .phase-card ul li {
            margin-bottom: 4px;
        }
        .phase-card .highlight-box {
            background: #ffebee;
            padding: 14px 20px;
            border-radius: 12px;
            margin: 12px 0 4px;
            border-left: 4px solid #c62828;
            font-size: 0.95rem;
        }
        .phase-card .highlight-box strong {
            color: #b71c1c;
        }

        /* 表格样式 */
        .phase-table {
            width: 100%;
            border-collapse: collapse;
            margin: 12px 0 4px;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
        }
        .phase-table th {
            background: #c62828;
            color: white;
            padding: 10px 16px;
            text-align: left;
            font-weight: 600;
        }
        .phase-table td {
            padding: 10px 16px;
            border-bottom: 1px solid #f0e0e0;
            background: #fefafa;
        }
        .phase-table tr:last-child td {
            border-bottom: none;
        }

        /* 结尾区块 */
        .closing-section {
            background: #ffebee;
            border-radius: 28px;
            padding: 36px 32px;
            margin: 40px 0 30px;
            text-align: center;
        }
        .closing-section h2 {
            color: #b71c1c;
            font-size: 1.7rem;
            margin-bottom: 12px;
        }
        .closing-section p {
            max-width: 700px;
            margin: 0 auto 12px;
            font-size: 1.05rem;
        }
        .closing-section .cta-link {
            display: inline-block;
            background: #c62828;
            color: white;
            padding: 12px 36px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.05rem;
            margin-top: 12px;
            transition: 0.2s;
        }
        .closing-section .cta-link:hover {
            background: #8e0000;
            transform: scale(1.02);
        }

        .footer-note {
            text-align: center;
            font-size: 0.8rem;
            color: #999;
            padding: 20px 0 30px;
            border-top: 1px solid #f0cfcf;
            margin-top: 10px;
        }

        @media (max-width: 700px) {
            .hero .hero-title { font-size: 1.6rem; }
            .phase-card { padding: 20px; }
            .phase-table { font-size: 0.85rem; }
            .phase-table th, .phase-table td { padding: 8px 12px; }
            .closing-section { padding: 24px 18px; }
            .closing-section h2 { font-size: 1.3rem; }
        }