* { margin: 0; padding: 0; box-sizing: border-box; }
        :root {
            --primary: #6366f1; --primary-light: #818cf8; --secondary: #06b6d4;
            --success: #10b981; --warning: #f59e0b;
            --card-bg: #ffffff; --text-primary: #1e293b; --text-secondary: #64748b;
            --border-color: #e2e8f0; --sidebar-bg: #f8fafc;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f472b6 100%);
            min-height: 100vh; color: var(--text-primary); line-height: 1.6;
        }
        .particles { position: fixed; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; overflow: hidden; }
        .particle { position: absolute; border-radius: 50%; background: rgba(255,255,255,0.08); will-change: transform, opacity; }
        @keyframes floatParticle { 0% { transform: translateY(110vh) scale(0.8); opacity: 0; } 20% { opacity: 0.4; } 80% { opacity: 0.4; } 100% { transform: translateY(-10vh) scale(1.1); opacity: 0; } }
        .header { position: relative; z-index: 10; padding: 60px 20px 40px; text-align: center; color: white; }
        .header h1 { font-size: 2.8rem; font-weight: 700; margin-bottom: 10px; }
        .container { position: relative; z-index: 10; max-width: 900px; margin: 0 auto; padding: 0 20px 60px; }
        .module-card { background: var(--card-bg); border-radius: 24px; margin-bottom: 30px; box-shadow: 0 10px 40px rgba(0,0,0,0.15); overflow: hidden; border: 1px solid rgba(255,255,255,0.5); }
        .module-card:hover { box-shadow: 0 20px 60px rgba(0,0,0,0.2); }
        .module-header { background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); color: white; padding: 24px 28px; position: relative; overflow: hidden; }
        .module-header::before { content: ''; position: absolute; top: -50%; right: -20%; width: 200px; height: 200px; background: rgba(255,255,255,0.1); border-radius: 50%; }
        .module-header-content { display: flex; align-items: center; gap: 18px; position: relative; z-index: 1; }
        .module-number { width: 52px; height: 52px; background: rgba(255,255,255,0.2); backdrop-filter: blur(10px); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.4rem; flex-shrink: 0; border: 2px solid rgba(255,255,255,0.3); }
        .module-name { font-size: 1.4rem; font-weight: 600; margin-bottom: 6px; }
        .module-code { font-size: 0.85rem; opacity: 0.9; font-family: 'Courier New', monospace; background: rgba(0,0,0,0.2); padding: 3px 10px; border-radius: 6px; display: inline-block; }
        .header-btn { background: rgba(255,255,255,0.2); border: 2px solid rgba(255,255,255,0.4); color: white; padding: 8px 16px; border-radius: 20px; font-size: 0.85rem; font-weight: 500; cursor: pointer; transition: all 0.3s ease; white-space: nowrap; }
        .header-btn:hover { background: rgba(255,255,255,0.3); border-color: rgba(255,255,255,0.6); transform: scale(1.05); }
        .system-match { background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%); padding: 16px 28px; border-bottom: 1px solid var(--border-color); display: flex; align-items: center; gap: 12px; }
        .system-match-label { font-size: 0.85rem; color: var(--text-secondary); font-weight: 500; white-space: nowrap; }
        .system-match-value { font-size: 1rem; color: var(--primary); font-weight: 600; background: white; padding: 8px 16px; border-radius: 20px; border: 2px solid var(--primary-light); box-shadow: 0 2px 8px rgba(99,102,241,0.1); }
        .system-content { padding: 28px; }
        .content-section { margin-bottom: 24px; }
        .content-title { font-size: 0.95rem; font-weight: 600; color: var(--primary); margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
        .content-title-icon { width: 32px; height: 32px; background: linear-gradient(135deg, var(--primary-light), var(--secondary)); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: white; font-size: 0.9rem; }
        .content-text { font-size: 0.95rem; line-height: 1.9; color: var(--text-primary); padding-left: 42px; }
        .content-text p { margin-bottom: 12px; }
        .feature-list { list-style: none; padding: 0 0 0 42px; }
        .feature-list li { padding: 10px 0 10px 32px; position: relative; font-size: 0.95rem; line-height: 1.7; color: var(--text-primary); border-bottom: 1px dashed var(--border-color); transition: all 0.3s ease; }
        .feature-list li:hover { padding-left: 36px; color: var(--primary); }
        .feature-list li:last-child { border-bottom: none; }
        .feature-list li::before { content: '✓'; position: absolute; left: 0; top: 10px; color: white; font-weight: bold; width: 22px; height: 22px; background: linear-gradient(135deg, var(--success), #34d399); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.7rem; box-shadow: 0 4px 10px rgba(16,185,129,0.3); }
        .highlight-box { background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%); border-left: 4px solid var(--warning); padding: 16px 20px; margin: 16px 0 16px 42px; border-radius: 0 12px 12px 0; }
        .highlight-title { font-weight: 600; color: #92400e; margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
        .highlight-list { list-style: none; padding: 0; margin: 0; }
        .highlight-list li { padding: 6px 0; color: #78350f; font-size: 0.9rem; line-height: 1.6; }
        .highlight-list li::before { content: '★'; margin-right: 8px; color: var(--warning); }
        .btn-compare { width: calc(100% - 56px); margin: 0 28px 28px; padding: 16px 24px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: white; border: none; border-radius: 14px; font-size: 1rem; font-weight: 500; cursor: pointer; transition: all 0.3s ease; display: flex; align-items: center; justify-content: center; gap: 10px; box-shadow: 0 4px 15px rgba(99,102,241,0.3); }
        .btn-compare:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(99,102,241,0.4); }
        .sidebar { position: fixed; top: 0; right: -520px; width: 500px; max-width: 95vw; height: 100vh; background: var(--sidebar-bg); box-shadow: -10px 0 40px rgba(0,0,0,0.2); z-index: 1000; transition: right 0.5s cubic-bezier(0.4, 0, 0.2, 1); display: flex; flex-direction: column; }
        .sidebar.active { right: 0; }
        .sidebar-header { background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); color: white; padding: 30px; position: relative; }
        .sidebar-header::before { content: ''; position: absolute; top: -30%; right: -10%; width: 150px; height: 150px; background: rgba(255,255,255,0.1); border-radius: 50%; }
        .sidebar-title { font-size: 1.4rem; font-weight: 600; margin-bottom: 8px; position: relative; z-index: 1; }
        .sidebar-close { position: absolute; top: 20px; right: 20px; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.2); border: none; color: white; font-size: 1.3rem; cursor: pointer; transition: all 0.3s ease; display: flex; align-items: center; justify-content: center; z-index: 10; }
        .sidebar-close:hover { background: rgba(255,255,255,0.3); transform: rotate(90deg); }
        .sidebar-content { flex: 1; overflow-y: auto; padding: 30px; }
        .sidebar-content::-webkit-scrollbar { width: 8px; }
        .sidebar-content::-webkit-scrollbar-track { background: #f1f5f9; }
        .sidebar-content::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
        .contract-block { margin-bottom: 28px; animation: fadeIn 0.5s ease; }
        @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
        .contract-block-title { font-size: 1rem; font-weight: 600; color: var(--text-primary); margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--border-color); display: flex; align-items: center; gap: 8px; }
        .contract-text { font-size: 0.95rem; line-height: 1.9; color: var(--text-primary); white-space: pre-line; background: white; padding: 20px; border-radius: 12px; border: 1px solid var(--border-color); }
        .contract-list { list-style: none; padding: 0; background: white; border-radius: 12px; border: 1px solid var(--border-color); overflow: hidden; }
        .contract-list li { padding: 14px 18px 14px 42px; position: relative; border-bottom: 1px solid var(--border-color); line-height: 1.7; font-size: 0.95rem; transition: all 0.2s ease; }
        .contract-list li:hover { background: #f8fafc; padding-left: 46px; }
        .contract-list li:last-child { border-bottom: none; }
        .contract-list li::before { content: '▸'; position: absolute; left: 18px; color: var(--primary); font-weight: bold; font-size: 1.1rem; }
        .key-point { background: linear-gradient(135deg, #fef3c7, #fde68a); border-left: 4px solid #f59e0b; padding: 14px 18px; margin: 10px 0; border-radius: 0 12px 12px 0; font-size: 0.95rem; line-height: 1.8; }
        .overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(15,23,42,0.6); backdrop-filter: blur(4px); z-index: 999; opacity: 0; visibility: hidden; transition: all 0.4s ease; }
        .overlay.active { opacity: 1; visibility: visible; }
        .back-to-top { position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px; background: linear-gradient(135deg, var(--primary), var(--secondary)); color: white; border: none; border-radius: 50%; font-size: 1.3rem; cursor: pointer; box-shadow: 0 4px 15px rgba(99,102,241,0.4); transition: all 0.3s ease; opacity: 0; visibility: hidden; z-index: 100; }
        .back-to-top.visible { opacity: 1; visibility: visible; }
        .back-to-top:hover { transform: translateY(-5px) scale(1.1); box-shadow: 0 8px 25px rgba(99,102,241,0.5); }

        /* 悬浮导航 */
        .mobile-nav-btn { position: fixed; top: 90px; left: 12px; width: 38px; height: 38px; padding: 0; background: rgba(255,255,255,0.15); border: 2px solid rgba(255,255,255,0.35); color: white; border-radius: 10px; font-size: 1rem; cursor: grab; z-index: 200; display: flex; align-items: center; justify-content: center; gap: 0; box-shadow: 0 2px 8px rgba(0,0,0,0.15); backdrop-filter: blur(4px); transition: background 0.2s, border-color 0.2s; touch-action: none; user-select: none; -webkit-user-select: none; }
        .mobile-nav-btn:active { cursor: grabbing; transform: scale(0.95); }
        .mobile-nav-btn:hover { box-shadow: 0 6px 20px rgba(99,102,241,0.5); }
        .mobile-nav-panel { position: fixed; top: 0; left: -420px; width: 400px; max-width: 92vw; height: 100vh; background: var(--sidebar-bg); box-shadow: -10px 0 40px rgba(0,0,0,0.2); z-index: 1002; transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1); display: flex; flex-direction: column; }
        .mobile-nav-panel.active { left: 0; }
        .mobile-nav-header { background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); color: white; padding: 22px 24px; position: relative; display: flex; align-items: center; justify-content: space-between; }
        .mobile-nav-title { font-size: 1.2rem; font-weight: 600; }
        .mobile-nav-close { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.2); border: none; color: white; font-size: 1.1rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; }
        .mobile-nav-close:hover { background: rgba(255,255,255,0.3); transform: rotate(90deg); }
        .mobile-nav-content { flex: 1; overflow-y: auto; padding: 20px; }
        .mobile-nav-group { margin-bottom: 20px; }
        .mobile-nav-group-title { font-size: 0.9rem; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; padding-bottom: 6px; border-bottom: 2px solid var(--border-color); }
        .mobile-nav-item { display: block; width: 100%; text-align: left; padding: 12px 14px; margin-bottom: 8px; background: white; border: 1px solid var(--border-color); border-radius: 10px; font-size: 0.95rem; color: var(--text-primary); cursor: pointer; transition: all 0.2s ease; }
        .mobile-nav-item:hover { background: linear-gradient(135deg, var(--primary-light), var(--secondary)); color: white; border-color: transparent; }
        .mobile-nav-item:active { background: linear-gradient(135deg, var(--primary-light), var(--secondary)); color: white; border-color: transparent; }
        .mobile-nav-overlay { position: fixed; inset: 0; background: rgba(15,23,42,0.5); z-index: 1001; opacity: 0; visibility: hidden; transition: all 0.3s ease; }
        .mobile-nav-overlay.active { opacity: 1; visibility: visible; }

        /* 设置按钮与面板 */

        .settings-btn { position: fixed; top: 20px; right: 20px; width: 46px; height: 46px; background: rgba(255,255,255,0.2); border: 2px solid rgba(255,255,255,0.4); color: white; border-radius: 50%; font-size: 1.3rem; cursor: pointer; z-index: 200; display: flex; align-items: center; justify-content: center; transition: all 0.3s ease; backdrop-filter: blur(4px); }
        .settings-btn:hover { background: rgba(255,255,255,0.35); transform: rotate(30deg); }
        .settings-panel { position: fixed; top: 0; right: -420px; width: 400px; max-width: 92vw; height: 100vh; background: var(--sidebar-bg); box-shadow: -10px 0 40px rgba(0,0,0,0.2); z-index: 1001; transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1); display: flex; flex-direction: column; }
        .settings-panel.active { right: 0; }
        .settings-header { background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); color: white; padding: 22px 24px; position: relative; display: flex; align-items: center; justify-content: space-between; }
        .settings-title { font-size: 1.2rem; font-weight: 600; }
        .settings-close { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.2); border: none; color: white; font-size: 1.1rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; }
        .settings-close:hover { background: rgba(255,255,255,0.3); transform: rotate(90deg); }
        .settings-content { flex: 1; overflow-y: auto; padding: 20px; }
        .settings-group { margin-bottom: 20px; }
        .settings-group-title { font-size: 0.9rem; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; padding-bottom: 6px; border-bottom: 2px solid var(--border-color); }
        .settings-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; background: white; border-radius: 10px; border: 1px solid var(--border-color); margin-bottom: 8px; cursor: pointer; transition: all 0.2s ease; }
        .settings-item:hover { background: #f1f5f9; border-color: var(--primary-light); }
        .settings-item input[type="checkbox"] { width: 18px; height: 18px; cursor: pointer; accent-color: var(--primary); flex-shrink: 0; }
        .settings-item label { flex: 1; font-size: 0.9rem; cursor: pointer; user-select: none; color: var(--text-primary); }
        .settings-actions { padding: 16px 20px; border-top: 1px solid var(--border-color); background: white; display: flex; gap: 10px; }
        .settings-actions button { flex: 1; padding: 10px; border-radius: 8px; border: none; font-size: 0.9rem; cursor: pointer; font-weight: 500; }
        .btn-reset { background: #e2e8f0; color: var(--text-primary); }
        .btn-save { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: white; }
        
        .footer { text-align: center; padding: 40px 20px; color: rgba(255,255,255,0.7); font-size: 0.9rem; }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .header { padding: 40px 16px 24px; }
            .header h1 { font-size: 1.5rem; }
            .header > div { flex-wrap: wrap; gap: 12px !important; }
            .header svg { width: 48px; height: 48px; }
            .module-card { border-radius: 16px; margin-bottom: 20px; }
            .module-header { padding: 16px 18px; }
            .module-header-content { gap: 12px; }
            .module-number { width: 40px; height: 40px; font-size: 1.1rem; border-radius: 12px; backdrop-filter: none; }
            .module-name { font-size: 1.1rem; }
            .system-content { padding: 18px; }
            .content-section { margin-bottom: 18px; }
            .content-title { font-size: 0.9rem; margin-bottom: 10px; }
            .content-title-icon { width: 28px; height: 28px; font-size: 0.8rem; }
            .content-text { padding-left: 0; font-size: 0.9rem; line-height: 1.8; }
            .feature-list { padding-left: 0; }
            .feature-list li { padding: 8px 0 8px 28px; font-size: 0.9rem; }
            .feature-list li::before { width: 20px; height: 20px; font-size: 0.65rem; top: 8px; }
            .highlight-box { margin-left: 0; padding: 12px 14px; }
            .settings-btn { top: 12px; right: 12px; width: 42px; height: 42px; font-size: 1.1rem; }
            .back-to-top { bottom: 16px; right: 16px; width: 44px; height: 44px; font-size: 1.1rem; }
            .sidebar { width: 100vw; max-width: 100vw; }
            .sidebar-content { padding: 20px; }
            .settings-panel { width: 100vw; max-width: 100vw; }
            .settings-content { padding: 16px; }
            .arch-wrapper { padding-left: 0 !important; }
            .arch-wrapper div[style*="grid-template-columns: repeat(3, 1fr)"] { grid-template-columns: 1fr !important; gap: 8px !important; margin: 0 !important; }
            .arch-wrapper > div > div[style*="border-radius: 20px"] > div[style*="display: flex; flex-wrap: wrap"] { gap: 6px !important; }
            .arch-wrapper span { font-size: 0.75rem !important; padding: 5px 10px !important; }
            .mobile-nav-btn { display: flex; }
        }
        @media (max-width: 480px) {
            .header { padding-top: 52px; }
            .header h1 { font-size: 1.25rem; }
            .container { padding: 0 12px 40px; }
            .module-name { font-size: 1rem; }
            .module-number { width: 36px; height: 36px; font-size: 1rem; border-radius: 10px; backdrop-filter: none; }
            .sub-module { padding: 14px !important; margin-bottom: 16px !important; }
            .contract-text, .contract-list li { font-size: 0.9rem; padding: 14px; }
        }
    
        /* 图片点击放大 Lightbox */
        .module-card img, .sub-module img, .arch-wrapper img { cursor: zoom-in; transition: transform 0.25s ease; }
        .module-card img:hover { transform: scale(1.01); }
        .lightbox { position: fixed; inset: 0; background: rgba(10,10,20,0.88); z-index: 3000; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: all 0.3s ease; cursor: zoom-out; backdrop-filter: blur(6px); }
        .lightbox.active { opacity: 1; visibility: visible; }
        .lightbox img { max-width: 94vw; max-height: 92vh; border-radius: 10px; box-shadow: 0 20px 80px rgba(0,0,0,0.6); transform: scale(0.92); transition: transform 0.3s ease; cursor: default; background: #fff; }
        .lightbox.active img { transform: scale(1); }
        .lightbox-caption { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,0.9); font-size: 0.95rem; background: rgba(0,0,0,0.45); padding: 8px 18px; border-radius: 20px; pointer-events: none; }
        .lightbox-close { position: absolute; top: 22px; right: 26px; width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,0.15); border: 2px solid rgba(255,255,255,0.35); color: #fff; font-size: 1.25rem; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.25s ease; }
        .lightbox-close:hover { background: rgba(255,255,255,0.3); transform: rotate(90deg); }

        /* 缩放比例徽标 */
        .lightbox-zoom-badge { position: absolute; top: 26px; left: 50%; transform: translateX(-50%); background: rgba(0,0,0,0.5); color: #fff; font-size: 0.85rem; padding: 5px 14px; border-radius: 16px; pointer-events: none; z-index: 3001; }
        .lightbox img { will-change: transform; }
        .lightbox img.pannable { cursor: grab; }
        .lightbox img.panning { cursor: grabbing; }

        /* 设置密码弹窗 */
        .pwd-modal { position: fixed; inset: 0; background: rgba(15,23,42,0.55); backdrop-filter: blur(4px); z-index: 2500; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: all 0.3s ease; }
        .pwd-modal.active { opacity: 1; visibility: visible; }
        .pwd-box { background: #fff; border-radius: 18px; padding: 28px 28px 22px; width: 340px; max-width: 90vw; box-shadow: 0 20px 60px rgba(0,0,0,0.25); transform: translateY(12px) scale(0.97); transition: transform 0.3s ease; }
        .pwd-modal.active .pwd-box { transform: translateY(0) scale(1); }
        .pwd-title { font-size: 1.1rem; font-weight: 600; color: #1e293b; margin-bottom: 6px; }
        .pwd-desc { font-size: 0.85rem; color: #64748b; margin-bottom: 16px; }
        .pwd-input { width: 100%; padding: 11px 14px; border: 2px solid #e2e8f0; border-radius: 10px; font-size: 0.95rem; outline: none; transition: border-color 0.2s ease; box-sizing: border-box; }
        .pwd-input:focus { border-color: #6366f1; }
        .pwd-error { color: #ef4444; font-size: 0.82rem; margin-top: 8px; display: none; }
        .pwd-error.show { display: block; }
        .pwd-actions { display: flex; gap: 10px; margin-top: 18px; }
        .pwd-actions button { flex: 1; padding: 10px; border-radius: 9px; border: none; font-size: 0.92rem; cursor: pointer; font-weight: 500; }
        .pwd-cancel { background: #e2e8f0; color: #1e293b; }
        .pwd-ok { background: linear-gradient(135deg, #6366f1, #06b6d4); color: #fff; }
        .pwd-ok:hover { opacity: 0.9; }

        /* 建设思路板块 */
        .roadmap-card .module-header { background: linear-gradient(135deg, #f59e0b 0%, #ec4899 100%); }
        .roadmap-flow { display: flex; align-items: stretch; gap: 0; padding: 26px 24px; }
        .roadmap-step { flex: 1; background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%); border: 1px solid var(--border-color); border-radius: 16px; padding: 18px 20px; position: relative; transition: all 0.3s ease; }
        .roadmap-step:hover { transform: translateY(-4px); box-shadow: 0 10px 28px rgba(99,102,241,0.15); border-color: var(--primary-light); }
        .roadmap-step-head { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; padding-bottom: 10px; border-bottom: 2px dashed var(--border-color); }
        .roadmap-step-no { font-size: 0.8rem; color: var(--text-secondary); font-weight: 500; }
        .roadmap-step-title { font-size: 1.08rem; font-weight: 700; background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
        .roadmap-points { list-style: none; padding: 0; margin: 0; }
        .roadmap-points li { position: relative; padding: 6px 0 6px 18px; font-size: 0.88rem; line-height: 1.65; color: var(--text-primary); }
        .roadmap-points li::before { content: ''; position: absolute; left: 0; top: 13px; width: 7px; height: 7px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--secondary)); }
        .roadmap-arrow { display: flex; align-items: center; justify-content: center; padding: 0 12px; font-size: 1.5rem; color: var(--primary); font-weight: 700; flex-shrink: 0; }
        @media (max-width: 768px) {
            .roadmap-flow { flex-direction: column; padding: 18px 16px; }
            .roadmap-arrow { transform: rotate(90deg); padding: 8px 0; }
        }

        /* 我司产品优势板块 */
        .adv-card .module-header { background: linear-gradient(135deg, #10b981 0%, #06b6d4 100%); }
        .adv-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 26px 24px; }
        .adv-item { background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%); border: 1px solid var(--border-color); border-radius: 16px; padding: 20px 22px; transition: all 0.3s ease; }
        .adv-item:hover { transform: translateY(-4px); box-shadow: 0 10px 28px rgba(16,185,129,0.15); border-color: #34d399; }
        .adv-icon { width: 46px; height: 46px; border-radius: 13px; background: linear-gradient(135deg, #10b981, #06b6d4); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: 12px; box-shadow: 0 4px 12px rgba(16,185,129,0.3); }
        .adv-title { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
        .adv-desc { font-size: 0.88rem; line-height: 1.7; color: var(--text-secondary); }
        @media (max-width: 768px) {
            .adv-grid { grid-template-columns: 1fr; padding: 18px 16px; gap: 12px; }
        }

        /* v1.5 紧凑化 + 建设思路并列模块 */
        .roadmap-card .module-header, .adv-card .module-header { padding: 14px 22px; }
        .roadmap-flow { gap: 14px; padding: 16px 20px; }
        .roadmap-step { padding: 12px 16px; }
        .roadmap-step-head { flex-direction: row; align-items: center; gap: 8px; margin-bottom: 6px; padding-bottom: 6px; }
        .roadmap-step-icon { font-size: 1.15rem; }
        .roadmap-step-title { font-size: 1rem; }
        .roadmap-points li { padding: 3px 0 3px 16px; font-size: 0.85rem; }
        .roadmap-points li::before { top: 10px; }
        .adv-grid { padding: 16px 20px; gap: 12px; }
        .adv-item { padding: 14px 16px; display: flex; align-items: flex-start; gap: 12px; }
        .adv-icon { width: 38px; height: 38px; font-size: 1.15rem; margin-bottom: 0; flex-shrink: 0; border-radius: 10px; }
        .adv-title { margin-bottom: 4px; font-size: 0.98rem; }
        .adv-desc { font-size: 0.84rem; line-height: 1.6; }
        .roadmap-card, .adv-card { margin-bottom: 20px; }
        @media (max-width: 768px) {
            .roadmap-flow { padding: 12px 14px; gap: 10px; }
            .adv-grid { padding: 12px 14px; }
        }