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

        body {
            font-family: 'Inter', sans-serif;
            background: #fbfdfe;
            color: #0b1c33;
            line-height: 1.5;
            scroll-behavior: smooth;
            overflow-x: hidden;
        }

        a{text-decoration: none;}

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 28px;
        }

        /* 巡覽列 – 玻璃態 */
        .navbar {
            position: sticky;
            top: 0;
            background: rgba(255,255,255,0.82);
            backdrop-filter: blur(16px);
            z-index: 100;
            border-bottom: 1px solid rgba(59,130,246,0.15);
            padding: 14px 0;
            transition: all 0.2s;
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .logo {
            font-size: 1.9rem;
            font-weight: 800;
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            letter-spacing: -0.5px;
            position: relative;

            display: flex;
            align-items: center;
            gap: 8px;  
        }
        .logo span {
            font-size: 1.9rem;
            font-weight: 500;
            background: none;
            background: linear-gradient(135deg, #2563eb, #085EB5);
                     background-clip: text;
            -webkit-background-clip: text;

        }

        .nav-links {
            display: flex;
            gap: 2.2rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-links a {
            text-decoration: none;
            font-weight: 500;
            color: #1e293b;
            transition: all 0.2s;
            font-size: 0.95rem;
            position: relative;
        }
        .nav-links a:hover {
            color: #2563eb;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #3b82f6, #a855f7);
            transition: width 0.25s ease;
            border-radius: 4px;
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .btn-outline {
            border: 1.5px solid #3b82f6;
            padding: 6px 18px;
            border-radius: 40px;
            background: transparent;
            color: #2563eb;
            transition: all 0.2s;
        }
        .btn-outline:hover {
            background: #3b82f6;
            color: white;
            box-shadow: 0 6px 14px rgba(59,130,246,0.25);
            transform: translateY(-2px);
        }
        .btn-outline::after {
            display: none;
        }
        .btn-primary {
            background: linear-gradient(105deg, #2563eb, #4f46e5);
            color: white;
            padding: 8px 22px;
            border-radius: 40px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.25s;
            display: inline-block;
            text-decoration: none;
            box-shadow: 0 4px 10px rgba(37,99,235,0.2);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 24px -8px rgba(37,99,235,0.4);
            background: linear-gradient(105deg, #1d4ed8, #4338ca);
        }

        .menu-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            cursor: pointer;
            color: #1e293b;
        }

        /* Hero 區域 - 全屏寬背景 (banner 背景全屏) */
        .hero {
            padding: 100px 0 90px;
            text-align: center;
            position: relative;
            isolation: isolate;
            /* 背景擴展至整個視口寬度，不受容器限制 */
            background: radial-gradient(ellipse at 20% 40%, rgba(37,99,235,0.12), rgba(139,92,246,0.05) 70%),
                        linear-gradient(125deg, #f0f9ff 0%, #eef2ff 100%);
            border-bottom: 1px solid rgba(59,130,246,0.1);
        }
        /* 增加動態光暈全屏效果 */
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 70% 20%, rgba(168,85,247,0.12), transparent 60%);
            pointer-events: none;
            z-index: -1;
        }
        /* 確保內容層級 */
        .hero .container {
            position: relative;
            z-index: 2;
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, #0f2b3d, #1e40af, #6d28d9);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            letter-spacing: -1.5px;
            max-width: 880px;
            margin: 0 auto 24px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            color: #2c3e66;
            max-width: 620px;
            margin: 0 auto 36px;
            font-weight: 500;
        }
        .hero-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* 通用 section 樣式 */
        section {
            padding: 90px 0;
        }
        .section-title {
            font-size: 2.4rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 16px;
            color: #0b1c33;
            letter-spacing: -0.3px;
        }
        .section-sub {
            text-align: center;
            color: #5b6e8c;
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 56px;
        }

        /* 功能卡片 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 32px;
            margin-top: 20px;
            
        }
        .feature-card {
            background: rgba(255,255,255,0.85);
            backdrop-filter: blur(4px);
            padding: 34px 26px;
            border-radius: 40px;
            transition: all 0.35s cubic-bezier(0.2, 0.9, 0.4, 1.1);
            border: 1px solid rgba(59,130,246,0.12);
            text-align: center;
            box-shadow: 0 8px 20px -8px rgba(0,0,0,0.03);
        }
        .feature-card:hover {
            transform: translateY(-8px);
            border-color: rgba(59,130,246,0.4);
            box-shadow: 0 24px 40px -16px rgba(59,130,246,0.25);
            background: white;
        }
        .feature-icon {
            font-size: 3rem;
            margin-bottom: 24px;
            background: linear-gradient(145deg, #eef2ff, #ffffff);
            width: 80px;
            height: 80px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 30px;
            color: #3b82f6;
            transition: all 0.2s;
        }
        .feature-card:hover .feature-icon {
            background: linear-gradient(145deg, #dbeafe, #ffffff);
            transform: scale(1.02);
        }
        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .feature-card p {
            color: #495e7e;
            line-height: 1.5;
        }

        /* 演示區 */
        #demo{background: linear-gradient(120deg, #f9fcff, #f1f6fe);}
        .demo-wrapper {}
        .chat-simulator {
            max-width: 540px;
            margin: 0 auto;
            background: white;
            overflow: hidden;
        }
        .chat-header {
            background: linear-gradient(105deg, #2563eb, #3b82f6);
            padding: 18px 24px;
            color: white;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .chat-header i:first-child {
            font-size: 1.6rem;
            filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
        }
        .chat-header h3 {
            font-weight: 600;
            font-size: 1.25rem;
            flex: 1;
            letter-spacing: -0.2px;
        }
        .chat-messages {
            height: 340px;
            overflow-y: auto;
            padding: 24px;
            background: #fefefe;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .message {
            max-width: 80%;
            padding: 12px 18px;
            border-radius: 24px;
            font-size: 0.92rem;
            line-height: 1.45;
            transition: 0.1s;
        }
        .user-msg {
            align-self: flex-end;
            background: linear-gradient(105deg, #2563eb, #4f46e5);
            color: white;
            border-bottom-right-radius: 6px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.05);
        }
        .bot-msg {
            align-self: flex-start;
            background: #f1f5f9;
            color: #0c2b4f;
            border-bottom-left-radius: 6px;
            border: 1px solid #e2e8f0;
        }
        .chat-input-area {
            display: flex;
            padding: 16px 20px;
            background: white;
            border-top: 1px solid #eef2ff;
            gap: 12px;
        }
        .chat-input-area input {
            flex: 1;
            padding: 12px 18px;
            border: 1px solid #cbd5e1;
            border-radius: 60px;
            outline: none;
            font-family: inherit;
            font-size: 0.9rem;
            transition: all 0.2s;
        }
        .chat-input-area input:focus {
            border-color: #3b82f6;
            box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
        }
        .chat-input-area button {
            background: #2563eb;
            border: none;
            border-radius: 50%;
            width: 48px;
            height: 48px;
            color: white;
            cursor: pointer;
            transition: all 0.2s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .chat-input-area button:hover {
            background: #1d4ed8;
            transform: scale(1.02);
        }
        .demo-note {
            text-align: center;
            margin-top: 28px;
            font-size: 0.85rem;
            color: #64748b;
        }

        /* 價格卡片 */
        #pricing{background: linear-gradient(120deg, #f9fcff, #f1f6fe);}
        .pricing-grid { 
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 40px;
            max-width: 720px;
            margin: 0 auto;
        }
        .price-card {
            background: white;
            border-radius: 48px;
            padding: 40px 28px;
            border: 1px solid rgba(59,130,246,0.2);
            transition: all 0.3s;
            text-align: center;
            position: relative;
            backdrop-filter: blur(2px);
        }
        .price-card.popular {
            border: 2px solid #3b82f6;
            background: linear-gradient(145deg, #ffffff, #fbfdff);
            box-shadow: 0 20px 35px -12px rgba(59,130,246,0.3);
        }
        .popular-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(95deg, #2563eb, #8b5cf6);
            color: white;
            padding: 5px 20px;
            border-radius: 60px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 8px rgba(37,99,235,0.3);
        }
        .price-card h3 {
            font-size: 2rem;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .price {
            font-size: 3rem;
            font-weight: 800;
            margin: 24px 0;
            color: #0f2b3d;
        }
        .price span {
            font-size: 1rem;
            font-weight: 500;
            color: #5b6e8c;
        }
        .price-card p {
            list-style: none;
            margin: 32px 0 28px;
            text-align: left;
            padding-left: 12px;
            line-height:36px;
            color: #2c3e5c;
            align-items: center;
            font-weight: 500;

        }
        .price-card li {
            margin: 16px 0;
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 500;
            color: #2c3e5c;
        }
        .price-card li i {
            color: #10b981;
            font-size: 1.1rem;
            width: 24px;
        }
        .price-card .btn-primary, .price-card .btn-outline {
            width: 80%;
            margin-top: 8px;
        }

        footer {
            background: rgba(248,250,252,0.9);
            backdrop-filter: blur(4px);
            padding: 48px 0 28px;
            border-top: 1px solid rgba(59,130,246,0.1);
            text-align: center;
            color: #4b5563;
        }

        /* 回應式優化 */
        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 1rem;
                margin-top: 20px;
                padding-bottom: 10px;
                background: rgba(255,255,255,0.96);
                border-radius: 32px;
                padding: 20px;
                backdrop-filter: blur(20px);
            }
            .nav-links.show {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .hero {
                padding: 80px 0 70px;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            section {
                padding: 60px 0;
            }
            .section-title {
                font-size: 2rem;
            }
            .price-card {
                padding: 32px 20px;
            }
            .demo-wrapper {
            }
            .feature-icon {
                width: 70px;
                height: 70px;
                font-size: 2.5rem;
            }
        }
        @media (max-width: 480px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .price {
                font-size: 2.5rem;
            }
        }

        /* 自訂捲軸 */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #eef2ff;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb {
            background: #3b82f6;
            border-radius: 10px;
        }

        /* 弹窗基础样式 - 可嵌入你现有项目中 */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            visibility: hidden;
            opacity: 0;
            transition: visibility 0.2s, opacity 0.2s ease;
        }

        .modal-overlay.active {
            visibility: visible;
            opacity: 1;
        }

        .modal-container {
            background: #ffffff;
            border-radius: 32px;
            max-width: 560px;
            width: 90%;
            max-height: 85vh;
            overflow-y: auto;
            box-shadow: 0 25px 45px -12px rgba(0, 0, 0, 0.3);
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            animation: modalFadeIn 0.25s ease-out;
        }

        @keyframes modalFadeIn {
            from {
                opacity: 0;
                transform: scale(0.96);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 1.75rem;
            border-bottom: 1px solid #eef2ff;
        }

        .modal-header h3 {
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(135deg, #2563eb, #9333ea);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            margin: 0;
        }

        .close-modal {
            background: none;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #64748b;
            transition: color 0.2s;
            line-height: 1;
        }

        .close-modal:hover {
            color: #ef4444;
        }

        .form-body {
            padding: 1.75rem;
        }

        .form-group {
            margin-bottom: 1.25rem;
        }

        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #1e293b;
            font-size: 0.9rem;
        }

        .form-group label .required {
            color: #ef4444;
            margin-left: 2px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid #cbd5e1;
            border-radius: 20px;
            font-family: inherit;
            font-size: 0.9rem;
            transition: all 0.2s;
            outline: none;
            background-color: #fff;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: #3b82f6;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
        }

        .form-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .form-row .form-group {
            flex: 1;
            min-width: 120px;
        }

        .btn-submit {
            width: 100%;
            background: linear-gradient(105deg, #2563eb, #4f46e5);
            color: white;
            padding: 12px;
            border: none;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.2s;
            margin-top: 0.5rem;
            box-shadow: 0 4px 8px rgba(37, 99, 235, 0.2);
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(37, 99, 235, 0.3);
            background: linear-gradient(105deg, #1d4ed8, #4338ca);
        }

        /* 响应式调整 */
        @media (max-width: 480px) {
            .modal-container {
                width: 95%;
                border-radius: 24px;
            }
            .modal-header {
                padding: 1rem 1.25rem;
            }
            .form-body {
                padding: 1.25rem;
            }
            .form-row {
                flex-direction: column;
                gap: 0;
            }
        }


        /* ========== 社交悬浮按钮 ========== */
   /* 基础样式 */
   
        /* 悬浮按钮容器 */
        .floating-buttons-container {
            position: fixed;
            right: 30px;
            bottom: 95px;
            display: flex;
            flex-direction: column;
            gap: 15px;
            z-index: 1000;
        }
        
        /* 悬浮按钮基础样式 */
        .social-fab {
            position: relative;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            transition: all 0.3s ease;
            overflow: hidden;
        }
        
        /* 按钮悬停效果 */
        .social-fab:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
        }
        
        /* 按钮激活效果 */
        .social-fab:active {
            transform: translateY(-1px);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
        }
        
        /* Facebook 按钮样式 */
        #facebookBtn {
            background: linear-gradient(135deg, #1877F2, #0D5DB9);
            position: relative;
            color: white;
        }


        #facebookBtn:hover {
            background: linear-gradient(135deg, #0D5DB9, #1877F2);
        }
        
        /* Line 按钮样式 */
        #lineBtn {
            background: linear-gradient(135deg, #00B900, #00A000);
            color: white;
        }
        
        #lineBtn:hover {
            background: linear-gradient(135deg, #00A000, #00B900);
        }


        /* Facebook 按钮样式 */
        #orderingbtn {
            background: linear-gradient(135deg, #D9232E, #EA5557);
            color: white;    font-size: 18px;
    font-weight: bold;
    color: white;
    letter-spacing: 1px;
    cursor: pointer;
        }
        
        #orderingbtn:hover {
            background: linear-gradient(135deg, #FF6B6B, #E6212A);
        }
        
        
        /* 图标样式 */
        .social-icon {
            width: 28px;
            height: 28px;
            transition: transform 0.3s ease;
        }
        
        .social-fab:hover .social-icon {
            transform: scale(1.1);
        }
        
        /* 按钮标签（可选的文字标签） */
        .social-fab::after {
            content: attr(aria-label);
            position: absolute;
            right: 70px;
            background: rgba(0, 0, 0, 0.8);
            color: white;
            padding: 8px 12px;
            border-radius: 4px;
            font-size: 14px;
            white-space: nowrap;
            opacity: 0;
            transform: translateX(10px);
            transition: all 0.3s ease;
            pointer-events: none;
        }
        
        .social-fab:hover::after {
            opacity: 1;
            transform: translateX(0);
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .floating-buttons-container {
                right: 30px;
                bottom: 90px;
                gap: 10px;
            }
            
            .social-fab {
                width: 50px;
                height: 50px;
            }
            
            .social-icon {
                width: 24px;
                height: 24px;
            }
            
            /* 在移动设备上隐藏文字标签 */
            .social-fab::after {
                display: none;
            }
        }
        
        /* 小屏幕设备 */
        @media (max-width: 480px) {
            
        }
        
        /* 动画效果 - 入场动画 */
        @keyframes floatIn {
            from {
                opacity: 0;
                transform: translateY(20px) scale(0.9);
            }
            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }
        
        /* 应用入场动画 */
        .social-fab {
            animation: floatIn 0.5s ease forwards;
            opacity: 0;
        }
        
        /* 为每个按钮设置不同的动画延迟 */
        #facebookBtn {
            animation-delay: 0.2s;
        }
        
        #lineBtn {
            animation-delay: 0.4s;
        }
        
        /* 可选的：添加更多按钮时的样式 */
        .social-fab.whatsapp {
            background: linear-gradient(135deg, #25D366, #128C7E);
        }
        
        .social-fab.instagram {
            background: linear-gradient(135deg, #E4405F, #833AB4);
        }
        
        .social-fab.twitter {
            background: linear-gradient(135deg, #1DA1F2, #0D8BD9);
        }

        
/* ========== 滚动到顶部按钮 ========== */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: #003380;
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 12px rgba(18, 62, 108, 0.3);
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top-btn:hover {
    background-color: #1a5a9e;
    transform: translateY(-5px);
}

.mr10{margin-top:10px;}