:root {
            --primary: #4F46E5;
            --primary-dark: #4338CA;
            --primary-light: #EEF2FF;
            --success: #10B981;
            --warning: #F59E0B;
            --danger: #EF4444;
            --text-main: #1F2937;
            --text-sub: #6B7280;
            --text-light: #9CA3AF;
            --bg: #F9FAFB;
            --card-bg: #FFFFFF;
            --border: #E5E7EB;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 10px 30px rgba(0,0,0,0.1);
            --gradient: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
            --gradient-2: linear-gradient(135deg, #F093FB 0%, #F5576C 100%);
            --gradient-3: linear-gradient(135deg, #4FACFE 0%, #00F2FE 100%);
            --gradient-4: linear-gradient(135deg, #43E97B 0%, #38F9D7 100%);
            --radius: 14px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg);
            color: var(--text-main);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            line-height: 1.6;
        }

        /* 顶部导航 */
        .navbar {
            background: rgba(255,255,255,0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 14px 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--border);
        }

        .logo {
            font-size: 20px;
            font-weight: 700;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-icon {
            font-size: 24px;
            -webkit-text-fill-color: initial;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .nav-link {
            font-size: 14px;
            color: var(--text-sub);
            cursor: pointer;
            transition: var(--transition);
            padding: 6px 12px;
            border-radius: 8px;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .config-source-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 28px;
            padding: 0 10px;
            border-radius: 999px;
            border: 1px solid #CBD5E1;
            background: #F8FAFC;
            color: #475569;
            font-size: 12px;
            font-weight: 700;
            white-space: nowrap;
            cursor: pointer;
            font-family: inherit;
        }

        .config-source-badge[data-source="cloud"] {
            border-color: rgba(16,185,129,0.35);
            background: #ECFDF5;
            color: #047857;
        }

        .config-source-badge[data-source="local-preview"] {
            border-color: rgba(245,158,11,0.35);
            background: #FFFBEB;
            color: #B45309;
        }

        /* 引擎选择器 */
        .engine-selector {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            padding: 6px 12px;
            border-radius: 8px;
            font-size: 13px;
        }

        .engine-icon {
            font-size: 12px;
            color: #6B7280;
        }

        .engine-selector select {
            border: none;
            background: transparent;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            outline: none;
            cursor: pointer;
        }

        .sponsor-btn {
            background: linear-gradient(135deg, #FDB99B 0%, #F67B50 100%);
            border: none;
            color: white;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 13px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(246,123,80,0.3);
        }

        .sponsor-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(246,123,80,0.4);
        }

        .feedback-btn {
            border: 1px solid var(--border);
            background: white;
            color: #111827;
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 13px;
            cursor: pointer;
            font-weight: 700;
            transition: var(--transition);
        }

        .feedback-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* 主容器 */
        .container {
            flex: 1;
            padding: 40px 5%;
            max-width: 1280px;
            margin: 0 auto;
            width: 100%;
        }

        /* Hero 区域 */
        .hero {
            background: var(--gradient);
            border-radius: 20px;
            padding: 40px;
            color: white;
            margin-bottom: 36px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%; right: -10%;
            width: 400px; height: 400px;
            background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hero-content { position: relative; z-index: 1; }

        .hero h1 {
            font-size: 28px;
            margin-bottom: 10px;
            font-weight: 700;
        }

        .hero p {
            font-size: 15px;
            opacity: 0.92;
            max-width: 600px;
        }

        .hero-stats {
            display: flex;
            gap: 30px;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
        }

        .stat-icon {
            width: 36px; height: 36px;
            background: rgba(255,255,255,0.2);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        /* 分类标签栏 */
        .category-tabs {
            display: flex;
            gap: 10px;
            margin-bottom: 24px;
            overflow-x: auto;
            padding-bottom: 4px;
            scrollbar-width: thin;
        }

        .category-tabs::-webkit-scrollbar { height: 4px; }
        .category-tabs::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

        .cat-tab {
            padding: 10px 20px;
            background: white;
            border: 1px solid var(--border);
            border-radius: 24px;
            font-size: 14px;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--transition);
            font-weight: 500;
            color: var(--text-sub);
        }

        .cat-tab:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .cat-tab.active {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(79,70,229,0.25);
        }

        /* 分组标题 */
        .section-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .section-title::before {
            content: '';
            width: 4px;
            height: 18px;
            background: var(--gradient);
            border-radius: 2px;
        }

        /* 功能卡片网格 */
        .grid-layout {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 18px;
            margin-bottom: 40px;
        }

        .feature-card {
            background: var(--card-bg);
            padding: 22px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 3px;
            background: var(--gradient);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .feature-card:hover::before { transform: scaleX(1); }

        .feature-card.coming-soon {
            opacity: 0.65;
            cursor: not-allowed;
        }

        .feature-card.is-unpublished {
            background: #F3F4F6;
            border-color: #D1D5DB;
            color: #6B7280;
            filter: grayscale(0.75);
        }

        .feature-card.is-unpublished .card-icon-wrap {
            background: #E5E7EB;
            color: #6B7280;
        }

        .feature-card.is-unpublished .card-title,
        .feature-card.is-unpublished .card-desc {
            color: #6B7280;
        }

        .feature-card.is-unpublished::before {
            background: #9CA3AF;
        }

        .feature-card.coming-soon:hover {
            transform: none;
            box-shadow: none;
        }

        .card-icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 14px;
            background: var(--gradient);
            color: white;
        }

        .card-icon-wrap.g2 { background: var(--gradient-2); }
        .card-icon-wrap.g3 { background: var(--gradient-3); }
        .card-icon-wrap.g4 { background: var(--gradient-4); }

        .card-title {
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 6px;
            color: var(--text-main);
        }

        .card-desc {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.5;
            margin-bottom: 12px;
            min-height: 39px;
        }

        .card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .card-tag {
            font-size: 11px;
            background: var(--primary-light);
            color: var(--primary);
            padding: 3px 10px;
            border-radius: 10px;
            font-weight: 500;
        }

        .card-tag.hot { background: #FEE2E2; color: var(--danger); }
        .card-tag.new { background: #D1FAE5; color: var(--success); }
        .card-tag.pro { background: #FEF3C7; color: var(--warning); }

        /* 操作面板 */
        .action-panel {
            display: none;
            background: white;
            border-radius: 20px;
            padding: 32px;
            box-shadow: var(--shadow-md);
            margin-top: 20px;
            animation: slideUp 0.4s ease;
        }

        @keyframes slideUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .back-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 20px;
            cursor: pointer;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 8px 14px;
            background: var(--primary-light);
            border-radius: 8px;
            transition: var(--transition);
            border: none;
        }

        .back-btn:hover {
            background: var(--primary);
            color: white;
            transform: translateX(-3px);
        }

        .panel-header {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 24px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border);
        }

        .panel-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: white;
        }

        .panel-title h3 {
            font-size: 20px;
            margin-bottom: 2px;
        }

        .panel-title p {
            font-size: 13px;
            color: var(--text-sub);
        }

        /* 小白指南 */
        .help-box {
            background: linear-gradient(135deg, #FFF9E6 0%, #FFF0D6 100%);
            border: 1px solid #FFE4A8;
            padding: 16px 18px;
            border-radius: 12px;
            margin-bottom: 22px;
            font-size: 13px;
            color: #92400E;
            line-height: 1.7;
        }

        .help-box b { color: #B45309; }

        .help-box code {
            background: rgba(180,83,9,0.1);
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 12px;
        }

        /* 表单 */
        label {
            display: block;
            margin: 16px 0 8px;
            font-weight: 600;
            font-size: 14px;
            color: var(--text-main);
        }

        textarea, input[type="text"], input[type="number"] {
            width: 100%;
            padding: 12px 14px;
            border: 1.5px solid var(--border);
            border-radius: 10px;
            font-size: 14px;
            margin-bottom: 8px;
            font-family: inherit;
            transition: var(--transition);
            background: #FAFAFB;
        }

        textarea:focus, input:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(79,70,229,0.12);
            background: white;
        }

        input[type="file"] {
            background: #FAFAFB;
            padding: 14px;
            border: 2px dashed #D1D5DB;
            border-radius: 10px;
            width: 100%;
            cursor: pointer;
            margin-bottom: 8px;
            transition: var(--transition);
        }

        input[type="file"]:hover {
            border-color: var(--primary);
            background: var(--primary-light);
        }

        .primary-btn {
            background: var(--gradient);
            color: white;
            border: none;
            padding: 14px 28px;
            border-radius: 10px;
            cursor: pointer;
            font-weight: 700;
            width: 100%;
            transition: var(--transition);
            font-size: 15px;
            margin-top: 16px;
            box-shadow: 0 4px 12px rgba(79,70,229,0.25);
        }

        .primary-btn:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(79,70,229,0.35);
        }

        .primary-btn:disabled {
            background: #D1D5DB;
            cursor: not-allowed;
            box-shadow: none;
        }

        /* 状态输出 */
        .status {
            margin-top: 20px;
            background: #1F2937;
            color: #86EFAC;
            padding: 16px 18px;
            border-radius: 12px;
            font-family: 'SF Mono', Consolas, monospace;
            font-size: 13px;
            white-space: pre-wrap;
            line-height: 1.6;
            display: none;
            max-height: 400px;
            overflow-y: auto;
        }

        .error { color: #FCA5A5; }

        /* 文件列表 */
        .file-list {
            margin-top: 6px;
            font-size: 13px;
            color: var(--text-sub);
            padding: 12px;
            background: #FAFAFB;
            border-radius: 10px;
            min-height: 48px;
        }

        .file-list-item {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: white;
            padding: 6px 12px;
            border-radius: 20px;
            margin: 4px 6px 4px 0;
            color: var(--text-main);
            font-size: 12px;
            border: 1px solid var(--border);
        }

        /* 浮动帮助按钮 */
        .prompt-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 12px;
        }

        .prompt-chip {
            border: 1px solid #C7D2FE;
            background: #EEF2FF;
            color: var(--primary);
            padding: 8px 12px;
            border-radius: 999px;
            font-size: 12px;
            cursor: pointer;
            transition: var(--transition);
        }

        .prompt-chip:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-1px);
        }

        .result-panel {
            display: none;
            margin-top: 22px;
            border: 1px solid var(--border);
            border-radius: 16px;
            background: #FCFCFF;
            overflow: hidden;
        }

        .result-header {
            padding: 18px 20px 14px;
            border-bottom: 1px solid var(--border);
            background: linear-gradient(135deg, #F8FAFF 0%, #F5F3FF 100%);
        }

        .result-header h4 {
            font-size: 16px;
            margin-bottom: 6px;
        }

        .result-header p {
            color: var(--text-sub);
            font-size: 13px;
        }

        .result-body {
            padding: 20px;
            display: grid;
            gap: 18px;
        }

        .result-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 14px;
        }

        .mini-card {
            background: white;
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 16px;
            box-shadow: var(--shadow-sm);
        }

        .mini-card h5 {
            font-size: 14px;
            margin-bottom: 8px;
        }

        .mini-card p, .mini-card li {
            font-size: 13px;
            color: var(--text-sub);
        }

        .mini-card ul {
            padding-left: 18px;
            display: grid;
            gap: 6px;
        }

        .formula-card {
            background: white;
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 16px;
        }

        .formula-card + .formula-card {
            margin-top: 12px;
        }

        .filter-result-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 12px;
        }

        .filter-card {
            background: white;
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 16px;
            box-shadow: var(--shadow-sm);
        }

        .filter-card-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-sub);
            margin-bottom: 8px;
        }

        .filter-card-count {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }

        .filter-card p {
            font-size: 13px;
            color: var(--text-sub);
        }

        .formula-top {
            display: flex;
            justify-content: space-between;
            gap: 12px;
            align-items: flex-start;
            margin-bottom: 10px;
        }

        .formula-tag {
            font-size: 11px;
            background: #DBEAFE;
            color: #1D4ED8;
            padding: 4px 10px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .formula-code {
            background: #111827;
            color: #D1FAE5;
            padding: 12px 14px;
            border-radius: 12px;
            font-family: 'SF Mono', Consolas, monospace;
            font-size: 12px;
            overflow-x: auto;
            margin: 10px 0;
        }

        .template-sheet {
            border: 1px solid var(--border);
            border-radius: 14px;
            overflow: hidden;
            background: white;
        }

        .template-sheet-head {
            padding: 14px 16px;
            border-bottom: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }

        .template-sheet-name {
            font-weight: 700;
            font-size: 14px;
        }

        .template-table-wrap {
            overflow-x: auto;
        }

        .template-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 560px;
        }

        .template-table th,
        .template-table td {
            border-bottom: 1px solid #EEF2F7;
            padding: 10px 12px;
            text-align: left;
            font-size: 12px;
        }

        .template-table th {
            background: #F8FAFC;
            color: var(--text-main);
        }

        .template-actions {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .secondary-btn {
            border: 1px solid var(--border);
            background: white;
            color: var(--text-main);
            padding: 10px 16px;
            border-radius: 10px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }

        .secondary-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .insight-list {
            display: grid;
            gap: 8px;
        }

        .insight-item {
            background: white;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 12px 14px;
            font-size: 13px;
            color: var(--text-sub);
        }

        .floating-help {
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 52px;
            height: 52px;
            background: var(--gradient);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: var(--shadow-lg);
            font-size: 22px;
            z-index: 99;
            transition: var(--transition);
            border: none;
        }

        .floating-help:hover {
            transform: scale(1.1) rotate(15deg);
        }

        /* 模态窗口 */
        .modal-overlay {
            display: none;
            position: fixed;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background: rgba(0,0,0,0.5);
            backdrop-filter: blur(4px);
            z-index: 1000;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .modal-content {
            background: white;
            padding: 30px;
            border-radius: 20px;
            text-align: center;
            max-width: 340px;
            width: 100%;
            animation: modalIn 0.3s ease;
        }

        .compact-modal {
            max-width: 420px;
            padding: 22px;
            text-align: left;
            max-height: min(86vh, 620px);
            overflow: auto;
        }

        .modal-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 14px;
        }

        .modal-head h3 {
            margin-bottom: 6px;
        }

        .modal-x {
            width: 34px;
            height: 34px;
            border: none;
            border-radius: 10px;
            background: #F3F4F6;
            cursor: pointer;
            font-size: 20px;
            line-height: 1;
            flex: 0 0 auto;
        }

        .contact-layout {
            display: grid;
            grid-template-columns: 136px minmax(0, 1fr);
            gap: 16px;
            align-items: center;
        }

        .feedback-modal {
            max-width: 520px;
        }

        @keyframes modalIn {
            from { opacity: 0; transform: scale(0.9); }
            to { opacity: 1; transform: scale(1); }
        }

        .modal-content h3 {
            margin-bottom: 8px;
            font-size: 18px;
        }

        .modal-content p {
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 16px;
        }

        .qr-container {
            width: 200px;
            height: 200px;
            background: #F9FAFB;
            margin: 16px auto;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            border: 1.5px dashed var(--border);
            overflow: hidden;
            font-size: 13px;
        }

        .qr-container img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .modal-close-btn {
            border: none;
            background: #F3F4F6;
            padding: 12px 20px;
            border-radius: 10px;
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            margin-top: 8px;
            transition: var(--transition);
            font-size: 14px;
        }

        .modal-close-btn:hover {
            background: #E5E7EB;
        }

        .primary-mini-btn {
            border: none;
            background: #111827;
            color: white;
            border-radius: 10px;
            padding: 11px 14px;
            cursor: pointer;
            font-weight: 800;
        }

        .config-debug-modal {
            max-width: 520px;
        }

        .config-debug-list {
            display: grid;
            gap: 10px;
            margin-top: 14px;
        }

        .config-debug-item {
            display: grid;
            grid-template-columns: 110px minmax(0, 1fr);
            gap: 10px;
            padding: 10px 12px;
            border: 1px solid #E5E7EB;
            border-radius: 10px;
            background: #F8FAFC;
            font-size: 13px;
        }

        .config-debug-item b {
            color: #475569;
        }

        .config-debug-item span {
            color: #111827;
            word-break: break-word;
        }

        .config-debug-actions {
            display: flex;
            gap: 10px;
            align-items: center;
            margin-top: 16px;
        }

        .secondary-mini-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 38px;
            padding: 0 12px;
            border-radius: 10px;
            border: 1px solid #CBD5E1;
            color: #334155;
            text-decoration: none;
            font-size: 13px;
            font-weight: 700;
        }

        /* Footer */
        footer {
            text-align: center;
            padding: 30px 20px;
            color: var(--text-light);
            font-size: 12px;
            line-height: 1.8;
        }

        footer b { color: var(--text-sub); }

        /* 产品化升级：全场景智能体平台 */
        :root {
            --primary: #3652D9;
            --primary-dark: #2638A8;
            --primary-light: #EEF2FF;
            --success: #059669;
            --warning: #D97706;
            --danger: #DC2626;
            --text-main: #172033;
            --text-sub: #5F6B7A;
            --bg: #F5F7FB;
            --border: #E1E7F0;
            --shadow-md: 0 10px 28px rgba(30,41,59,0.08);
            --shadow-lg: 0 20px 48px rgba(30,41,59,0.14);
            --gradient: linear-gradient(135deg, #3652D9 0%, #0F8B8D 100%);
            --gradient-2: linear-gradient(135deg, #7C3AED 0%, #C026D3 100%);
            --gradient-3: linear-gradient(135deg, #0284C7 0%, #059669 100%);
            --gradient-4: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
            --radius: 12px;
        }

        body {
            background:
                linear-gradient(180deg, #FFFFFF 0, #F5F7FB 320px),
                var(--bg);
        }

        .navbar {
            background: rgba(255,255,255,0.92);
            border-bottom: 1px solid rgba(226,232,240,0.9);
            box-shadow: 0 1px 0 rgba(15,23,42,0.04);
        }

        .logo {
            background: none;
            -webkit-text-fill-color: initial;
            color: #111827;
            letter-spacing: 0;
            white-space: nowrap;
            flex: 0 0 auto;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient);
            color: white;
            font-size: 18px;
            font-weight: 800;
        }

        .sponsor-btn {
            background: #111827;
            border-radius: 10px;
            box-shadow: 0 10px 22px rgba(17,24,39,0.16);
        }

        .hero {
            background: #111827;
            border-radius: 18px;
            padding: 38px;
            margin-bottom: 20px;
            border: 1px solid rgba(255,255,255,0.08);
        }

        .hero::before {
            display: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.22fr) minmax(330px, 0.78fr);
            gap: 28px;
            align-items: center;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 12px;
            border-radius: 999px;
            border: 1px solid rgba(255,255,255,0.18);
            background: rgba(255,255,255,0.08);
            color: #C7D2FE;
            font-size: 12px;
            margin-bottom: 16px;
        }

        .hero h1 {
            font-size: 34px;
            line-height: 1.25;
            max-width: 780px;
            letter-spacing: 0;
        }

        .hero p {
            max-width: 760px;
            color: #D6DEE9;
            opacity: 1;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 24px;
        }

        .hero-action {
            border: none;
            border-radius: 10px;
            padding: 11px 16px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            background: #FFFFFF;
            color: #111827;
        }

        .hero-action.secondary {
            background: rgba(255,255,255,0.1);
            color: white;
            border: 1px solid rgba(255,255,255,0.2);
        }

        .hero-action:hover {
            transform: translateY(-2px);
        }

        .agent-console {
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.14);
            border-radius: 16px;
            padding: 18px;
        }

        .agent-console h3 {
            font-size: 15px;
            margin-bottom: 12px;
            color: white;
        }

        .agent-flow {
            display: grid;
            gap: 10px;
        }

        .agent-node {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 12px;
            border-radius: 12px;
            background: rgba(255,255,255,0.09);
            color: #E5E7EB;
            font-size: 13px;
            border: 1px solid rgba(255,255,255,0.1);
        }

        .agent-node strong {
            color: white;
        }

        .agent-dot {
            width: 26px;
            height: 26px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255,255,255,0.14);
            font-size: 12px;
            font-weight: 800;
            color: #A7F3D0;
            flex: 0 0 auto;
        }

        .model-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
            margin: 0 0 28px;
        }

        .model-item {
            background: white;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 14px 16px;
            box-shadow: var(--shadow-sm);
        }

        .model-item strong {
            display: block;
            font-size: 14px;
            color: #111827;
            margin-bottom: 3px;
        }

        .model-item span {
            font-size: 12px;
            color: var(--text-sub);
        }

        .category-section {
            scroll-margin-top: 88px;
        }

        .section-subtitle {
            font-size: 13px;
            color: var(--text-sub);
            margin: -10px 0 18px;
        }

        .feature-card {
            min-height: 178px;
            box-shadow: var(--shadow-sm);
        }

        .feature-card.coming-soon {
            opacity: 1;
            cursor: default;
        }

        .feature-card.is-unpublished {
            opacity: 0.58;
            background: #F3F4F6;
            border-color: #D1D5DB;
            filter: grayscale(0.85);
        }

        .feature-card.coming-soon:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
            border-color: var(--border);
        }

        .card-tag.live {
            background: #DBEAFE;
            color: #1D4ED8;
        }

        .card-tag.next {
            background: #EDE9FE;
            color: #6D28D9;
        }

        .platform-section {
            margin-bottom: 40px;
        }

        .platform-head {
            display: flex;
            justify-content: space-between;
            gap: 18px;
            align-items: flex-end;
            margin-bottom: 16px;
        }

        .platform-head h2 {
            font-size: 20px;
            color: #111827;
            margin-bottom: 4px;
        }

        .platform-head p {
            color: var(--text-sub);
            font-size: 13px;
        }

        .compact-modal .qr-container {
            width: 136px;
            height: 136px;
            margin: 0;
        }

        .platform-pill {
            display: inline-flex;
            border: 1px solid #BFDBFE;
            background: white;
            color: var(--primary);
            border-radius: 999px;
            padding: 6px 10px;
            font-size: 12px;
            font-weight: 700;
            white-space: nowrap;
        }

        .agent-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }

        .agent-card {
            background: white;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 18px;
            box-shadow: var(--shadow-sm);
        }

        .agent-card h3 {
            font-size: 15px;
            margin-bottom: 8px;
            color: #111827;
        }

        .agent-card p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        .contact-band {
            background: #111827;
            color: white;
            border-radius: 16px;
            padding: 24px;
            display: flex;
            justify-content: space-between;
            gap: 18px;
            align-items: center;
            margin-top: 8px;
        }

        .contact-band h2 {
            font-size: 20px;
            margin-bottom: 6px;
        }

        .contact-band p {
            color: #CBD5E1;
            font-size: 13px;
        }

        .contact-band button {
            border: none;
            border-radius: 10px;
            padding: 11px 16px;
            background: white;
            color: #111827;
            font-weight: 700;
            cursor: pointer;
            white-space: nowrap;
        }

        /* 响应式 */
        .stat-title { font-weight: 700; }

        .stat-text {
            font-size: 12px;
            opacity: 0.8;
        }

        .panel-icon-template { background: var(--gradient-2); }

        .panel-icon-sheet { background: var(--gradient-3); }

        .file-list-primary { color: var(--primary); }

        .u-hidden-initial { display: none; }

        .footer-version { color: var(--primary); }

        .sponsor-contact {
            color: var(--primary);
            font-weight: 600;
        }

        .message-box {
            display: grid;
            gap: 8px;
            margin: 14px 0;
            text-align: left;
        }

        .message-box textarea,
        .message-box input {
            width: 100%;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 10px 12px;
            font: inherit;
            resize: vertical;
            outline: none;
        }

        .message-box textarea:focus,
        .message-box input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(54,82,217,0.12);
        }

        @media (max-width: 768px) {
            body { overflow-x: hidden; }

            .navbar {
                padding: 10px 12px;
                gap: 8px;
                align-items: center;
            }

            .logo {
                font-size: 16px;
                min-width: 0;
                flex: 1 1 auto;
            }

            .logo-icon { font-size: 20px; }

            #brandShortName {
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }

            .nav-right {
                flex: 0 0 auto;
                gap: 6px;
                justify-content: flex-end;
            }

            .nav-link:not(.keep-mobile),
            .engine-selector,
            .model-strip,
            .agent-console {
                display: none;
            }

            .config-source-badge {
                min-height: 30px;
                padding: 0 9px;
                font-size: 11px;
            }

            .sponsor-btn,
            .feedback-btn {
                min-height: 30px;
                padding: 6px 10px;
                border-radius: 999px;
                font-size: 12px;
                white-space: nowrap;
            }

            .container {
                padding: 14px 12px 28px;
            }

            .hero {
                padding: 22px 18px;
                border-radius: 16px;
                margin-bottom: 18px;
                box-shadow: 0 12px 30px rgba(17,24,39,0.14);
            }

            .hero-grid,
            .agent-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .hero-kicker {
                font-size: 11px;
                padding: 5px 9px;
                margin-bottom: 12px;
            }

            .hero h1 {
                font-size: 23px;
                line-height: 1.35;
                margin-bottom: 10px;
            }

            .hero p {
                font-size: 13px;
                line-height: 1.7;
                display: -webkit-box;
                -webkit-line-clamp: 4;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }

            .hero-actions {
                display: grid;
                grid-template-columns: 1fr;
                gap: 10px;
                margin-top: 18px;
            }

            .hero-action {
                width: 100%;
                min-height: 42px;
                border-radius: 12px;
            }

            .hero-stats {
                display: grid;
                grid-template-columns: 1fr;
                gap: 10px;
                margin-top: 16px;
            }

            .stat-item {
                background: rgba(255,255,255,0.1);
                border: 1px solid rgba(255,255,255,0.14);
                border-radius: 12px;
                padding: 10px;
            }

            .stat-icon {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }

            .category-tabs {
                gap: 8px;
                margin: 0 -12px 18px;
                padding: 0 12px 8px;
                overflow-x: auto;
                scroll-snap-type: x proximity;
            }

            .cat-tab {
                flex: 0 0 auto;
                padding: 9px 14px;
                font-size: 13px;
                border-radius: 999px;
                scroll-snap-align: start;
            }

            .platform-head,
            .contact-band {
                align-items: flex-start;
                flex-direction: column;
            }

            .platform-head h2 {
                font-size: 18px;
            }

            .section-subtitle {
                margin-top: -6px;
                line-height: 1.55;
            }

            .grid-layout {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .feature-card {
                min-height: auto;
                padding: 14px;
                border-radius: 14px;
                display: grid;
                grid-template-columns: 44px 1fr;
                column-gap: 12px;
                align-items: start;
            }

            .feature-card::before {
                height: 0;
            }

            .card-icon-wrap {
                width: 44px;
                height: 44px;
                grid-row: span 3;
            }

            .card-title {
                font-size: 15px;
                margin-bottom: 4px;
            }

            .card-desc {
                min-height: auto;
                font-size: 12px;
                line-height: 1.55;
            }

            .card-tags {
                margin-top: 8px;
            }

            .card-tag {
                font-size: 10px;
                padding: 3px 7px;
            }

            .action-panel {
                padding: 16px;
                border-radius: 16px;
                box-shadow: 0 10px 28px rgba(15,23,42,0.08);
            }

            .panel-header {
                flex-direction: row;
                align-items: center;
                gap: 10px;
            }

            .panel-icon {
                width: 44px;
                height: 44px;
                font-size: 20px;
                flex: 0 0 auto;
            }

            .panel-title h3 {
                font-size: 18px;
            }

            .panel-title p,
            .help-box,
            label,
            .file-list {
                font-size: 13px;
            }

            .help-box {
                padding: 12px;
                border-radius: 12px;
            }

            textarea,
            input[type="text"],
            input[type="number"],
            input[type="file"] {
                font-size: 16px;
                border-radius: 12px;
            }

            textarea {
                min-height: 132px;
            }

            .prompt-chips {
                gap: 7px;
            }

            .prompt-chip {
                padding: 8px 10px;
                font-size: 12px;
                border-radius: 999px;
            }

            .primary-btn,
            .secondary-btn {
                width: 100%;
                justify-content: center;
                min-height: 44px;
                border-radius: 12px;
            }

            .status {
                font-size: 12px;
                line-height: 1.65;
                padding: 12px;
                max-height: 220px;
                overflow: auto;
            }

            .result-panel {
                border-radius: 14px;
                margin-top: 16px;
            }

            .result-header {
                padding: 14px 14px 12px;
            }

            .result-body {
                padding: 14px;
                gap: 12px;
            }

            .result-grid,
            .filter-result-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .mini-card,
            .formula-card,
            .filter-card,
            .template-sheet,
            .insight-item {
                border-radius: 12px;
            }

            .formula-top {
                flex-direction: column;
                gap: 8px;
            }

            .formula-code {
                font-size: 11px;
                padding: 10px;
            }

            .template-actions {
                display: grid;
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .template-table {
                min-width: 520px;
            }

            .contact-band {
                border-radius: 14px;
                padding: 18px;
            }

            .floating-help {
                width: 44px;
                height: 44px;
                right: 14px;
                bottom: 14px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 10px 10px 24px;
            }

            .sponsor-btn.keep-mobile {
                display: none;
            }

            .feedback-btn.keep-mobile {
                padding: 6px 9px;
            }

            .hero {
                padding: 20px 16px;
                border-radius: 14px;
            }

            .hero h1 {
                font-size: 21px;
            }

            .hero p {
                -webkit-line-clamp: 3;
            }

            .category-tabs {
                margin-left: -10px;
                margin-right: -10px;
                padding-left: 10px;
                padding-right: 10px;
            }

            .feature-card {
                grid-template-columns: 40px 1fr;
                padding: 12px;
            }

            .card-icon-wrap {
                width: 40px;
                height: 40px;
                border-radius: 10px;
            }

            .action-panel {
                padding: 14px;
                border-radius: 14px;
            }

            .contact-layout {
                grid-template-columns: 1fr;
            }

            .compact-modal,
            .feedback-modal,
            .config-debug-modal {
                width: calc(100vw - 24px);
                max-width: none;
                max-height: 84vh;
                padding: 18px;
            }

            .compact-modal .qr-container {
                margin: 0 auto;
            }
        }