/* CSS Document */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --secondary: #f4a261;
            --accent: #2a9d8f;
            --dark: #1d3557;
            --light: #f8f9fa;
            --gray: #6c757d;
            --success: #52b788;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            background: #fff;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 顶部通知条 */
        .top-notice {
            background: linear-gradient(90deg, var(--primary), var(--primary-dark));
            color: white;
            text-align: center;
            padding: 10px 20px;
            font-size: 0.9em;
            font-weight: 500;
            position: relative;
            z-index: 1000;
        }
        .top-notice strong { color: #ffe066; }

        /* 导航 */
        .navbar {
            background: rgba(255,255,255,0.98);
            backdrop-filter: blur(10px);
            padding: 15px 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 2px 20px rgba(0,0,0,0.06);
            border-bottom: 1px solid #f0f0f0;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.6em;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.3em;
        }
        .nav-links {
            display: flex;
            gap: 35px;
            align-items: center;
        }
        .nav-links a {
            color: #555;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95em;
            transition: color 0.3s;
            position: relative;
        }
        .nav-links a:hover { color: var(--primary); }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s;
        }
        .nav-links a:hover::after { width: 100%; }
        .nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            padding: 12px 28px;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9em;
            box-shadow: 0 4px 15px rgba(230,57,70,0.3);
            transition: all 0.3s;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(230,57,70,0.4);
        }

        /* 英雄区 */
        .hero {
            background: linear-gradient(135deg, #fff5f5 0%, #fff 50%, #f0f9ff 100%);
            padding: 80px 5% 100px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1400px;
            margin: 0 auto;
            gap: 60px;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(230,57,70,0.08) 0%, transparent 70%);
            border-radius: 50%;
        }
        .hero-content {
            flex: 1;
            min-width: 300px;
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #fff3cd, #ffeaa7);
            color: #856404;
            padding: 8px 20px;
            border-radius: 20px;
            font-size: 0.85em;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid #ffeaa7;
        }
        .hero h1 {
            font-size: 3em;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }
        .hero h1 span {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 1.15em;
            color: #666;
            margin-bottom: 30px;
            line-height: 1.8;
            max-width: 550px;
        }
        .hero-stats {
            display: flex;
            gap: 30px;
            margin-bottom: 35px;
            flex-wrap: wrap;
        }
        .hero-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9em;
            color: #555;
        }
        .hero-stat .check {
            width: 22px;
            height: 22px;
            background: var(--success);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 0.75em;
        }
        .download-group {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }
        .btn-main {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            padding: 18px 40px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.1em;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 8px 25px rgba(230,57,70,0.35);
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }
        .btn-main:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(230,57,70,0.45);
        }
        .btn-secondary {
            background: white;
            color: var(--primary);
            padding: 18px 40px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.1em;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border: 2px solid var(--primary);
            transition: all 0.3s;
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: white;
        }
        .hero-visual {
            flex: 0 0 380px;
            position: relative;
            z-index: 1;
        }
        .phone-mockup {
            background: linear-gradient(135deg, var(--dark), #457b9d);
            border-radius: 30px;
            padding: 20px;
            box-shadow: 0 25px 60px rgba(0,0,0,0.15);
            position: relative;
        }
        .phone-screen {
            background: white;
            border-radius: 20px;
            padding: 25px;
            min-height: 400px;
        }
        .phone-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
        }
        .phone-title {
            font-weight: 700;
            color: var(--dark);
            font-size: 1.1em;
        }
        .task-item-mock {
            background: #f8f9fa;
            border-radius: 12px;
            padding: 15px;
            margin-bottom: 12px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .task-name { font-weight: 600; color: #333; font-size: 0.9em; }
        .task-price {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 5px 12px;
            border-radius: 15px;
            font-size: 0.85em;
            font-weight: 700;
        }
        .qr-section {
            margin-top: 20px;
            text-align: center;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 15px;
        }
        .qr-placeholder {
            width: 150px;
            height: 150px;
            background: linear-gradient(135deg, #e9ecef, #dee2e6);
            border-radius: 10px;
            margin: 0 auto 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gray);
            font-size: 3em;
        }
        .qr-text { font-size: 0.85em; color: #666; }

        /* 数据条 */
        .data-strip {
            background: linear-gradient(135deg, var(--dark), #264653);
            padding: 50px 5%;
            color: white;
        }
        .data-strip-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 40px;
        }
        .data-item {
            text-align: center;
            flex: 1;
            min-width: 150px;
        }
        .data-item .num {
            font-size: 2.8em;
            font-weight: 800;
            background: linear-gradient(135deg, #fff, var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }
        .data-item .label {
            font-size: 0.9em;
            opacity: 0.85;
        }

        /* 特性区 */
        .features {
            padding: 90px 5%;
            max-width: 1200px;
            margin: 0 auto;
        }
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }
        .section-tag {
            display: inline-block;
            background: linear-gradient(135deg, #fff3cd, #ffeaa7);
            color: #856404;
            padding: 6px 18px;
            border-radius: 15px;
            font-size: 0.85em;
            font-weight: 600;
            margin-bottom: 15px;
        }
        .section-title {
            font-size: 2.3em;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 15px;
        }
        .section-sub {
            color: #666;
            font-size: 1.1em;
            max-width: 600px;
            margin: 0 auto;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        .feature-box {
            background: white;
            border-radius: 20px;
            padding: 40px 30px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.06);
            transition: all 0.3s;
            border: 1px solid #f0f0f0;
            position: relative;
            overflow: hidden;
        }
        .feature-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transform: scaleX(0);
            transition: transform 0.3s;
        }
        .feature-box:hover::before { transform: scaleX(1); }
        .feature-box:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 45px rgba(0,0,0,0.1);
        }
        .feature-icon {
            width: 65px;
            height: 65px;
            background: linear-gradient(135deg, rgba(230,57,70,0.1), rgba(244,162,97,0.1));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8em;
            margin-bottom: 20px;
        }
        .feature-box h3 {
            font-size: 1.25em;
            color: var(--dark);
            margin-bottom: 12px;
            font-weight: 700;
        }
        .feature-box p {
            color: #666;
            font-size: 0.95em;
            line-height: 1.7;
        }

        /* 任务类型 */
        .tasks {
            background: linear-gradient(180deg, #f8f9fa 0%, #fff 100%);
            padding: 90px 5%;
        }
        .tasks-inner {
            max-width: 1200px;
            margin: 0 auto;
        }
        .tasks-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 25px;
            margin-top: 50px;
        }
        .task-card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            transition: all 0.3s;
            border: 1px solid #f0f0f0;
        }
        .task-card:hover {
            transform: scale(1.03);
            box-shadow: 0 12px 35px rgba(0,0,0,0.1);
        }
        .task-header {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            padding: 25px;
            text-align: center;
            color: white;
        }
        .task-header .emoji { font-size: 2.5em; margin-bottom: 10px; display: block; }
        .task-header h4 { font-size: 1.2em; font-weight: 700; }
        .task-body {
            padding: 25px;
        }
        .task-price-tag {
            display: inline-block;
            background: linear-gradient(135deg, rgba(230,57,70,0.1), rgba(244,162,97,0.1));
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 15px;
            font-weight: 700;
            font-size: 1em;
            margin-bottom: 12px;
        }
        .task-body p {
            color: #666;
            font-size: 0.9em;
            line-height: 1.7;
        }

        /* 流程 */
        .process {
            padding: 90px 5%;
            max-width: 1000px;
            margin: 0 auto;
        }
        .process-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 60px;
        }
        .process-steps::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 15%;
            right: 15%;
            height: 3px;
            background: linear-gradient(to right, var(--primary), var(--secondary), var(--accent));
            border-radius: 3px;
        }
        .process-step {
            width: 28%;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .process-step .step-num {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 800;
            font-size: 1.6em;
            margin: 0 auto 20px;
            border: 5px solid white;
            box-shadow: 0 8px 25px rgba(230,57,70,0.25);
        }
        .process-step h4 {
            font-size: 1.2em;
            color: var(--dark);
            margin-bottom: 10px;
            font-weight: 700;
        }
        .process-step p {
            color: #666;
            font-size: 0.9em;
        }

        /* 收益展示 */
        .earnings {
            background: linear-gradient(135deg, var(--dark), #264653);
            padding: 70px 5%;
            color: white;
            text-align: center;
        }
        .earnings h2 {
            font-size: 2em;
            margin-bottom: 40px;
            font-weight: 700;
        }
        .earnings-grid {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            max-width: 900px;
            margin: 0 auto;
        }
        .earning-box {
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 30px 40px;
            min-width: 220px;
            border: 1px solid rgba(255,255,255,0.15);
        }
        .earning-box .amount {
            font-size: 2.2em;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 8px;
        }
        .earning-box .desc {
            font-size: 0.9em;
            opacity: 0.9;
        }

        /* 用户评价 */
        .reviews {
            padding: 90px 5%;
            max-width: 1200px;
            margin: 0 auto;
        }
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        .review-box {
            background: white;
            border-radius: 20px;
            padding: 35px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.06);
            border: 1px solid #f0f0f0;
            position: relative;
        }
        .review-box::before {
            content: '"';
            position: absolute;
            top: 20px;
            left: 25px;
            font-size: 4em;
            color: #e9ecef;
            font-family: Georgia, serif;
            line-height: 1;
        }
        .review-content {
            position: relative;
            z-index: 1;
            padding-top: 20px;
        }
        .review-stars {
            color: #ffc107;
            margin-bottom: 15px;
            font-size: 1.1em;
            letter-spacing: 2px;
        }
        .review-text {
            color: #555;
            line-height: 1.8;
            margin-bottom: 20px;
            font-size: 0.95em;
        }
        .reviewer {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .reviewer-avatar {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
            font-size: 1.1em;
        }
        .reviewer-info h5 {
            color: var(--dark);
            font-size: 1em;
            font-weight: 600;
        }
        .reviewer-info span {
            color: #999;
            font-size: 0.8em;
        }

        /* FAQ */
        .faq {
            background: #f8f9fa;
            padding: 90px 5%;
        }
        .faq-inner {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: white;
            border-radius: 12px;
            margin-bottom: 15px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.04);
            overflow: hidden;
            border: 1px solid #f0f0f0;
        }
        .faq-question {
            padding: 22px 25px;
            color: var(--dark);
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1.05em;
            transition: color 0.3s;
        }
        .faq-question:hover { color: var(--primary); }
        .faq-answer {
            padding: 0 25px 22px;
            color: #666;
            line-height: 1.8;
            font-size: 0.95em;
        }
        .faq-answer strong { color: var(--primary); }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            padding: 90px 5%;
            text-align: center;
            color: white;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 500px;
            height: 500px;
            background: rgba(255,255,255,0.05);
            border-radius: 50%;
        }
        .cta-section h2 {
            font-size: 2.5em;
            font-weight: 800;
            margin-bottom: 15px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1.15em;
            opacity: 0.9;
            margin-bottom: 35px;
            position: relative;
            z-index: 1;
        }
        .btn-cta-large {
            display: inline-block;
            background: white;
            color: var(--primary);
            padding: 20px 55px;
            border-radius: 35px;
            font-size: 1.2em;
            font-weight: 700;
            text-decoration: none;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            transition: all 0.3s;
            position: relative;
            z-index: 1;
        }
        .btn-cta-large:hover {
            transform: scale(1.05);
            box-shadow: 0 15px 40px rgba(0,0,0,0.3);
        }
        .cta-trust {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 35px;
            flex-wrap: wrap;
            font-size: 0.9em;
            opacity: 0.85;
            position: relative;
            z-index: 1;
        }

        /* 页脚 */
        .footer {
            background: #1a1a2e;
            color: #a0a0a0;
            padding: 50px 5% 30px;
            text-align: center;
        }
        .footer-links {
            margin-bottom: 20px;
        }
        .footer-links a {
            color: #c0c0c0;
            text-decoration: none;
            margin: 0 15px;
            font-size: 0.9em;
            transition: color 0.3s;
        }
        .footer-links a:hover { color: white; }
        .footer-company {
            font-size: 0.85em;
            margin-bottom: 10px;
        }
        .footer-company strong { color: #e0e0e0; }
        .footer-note {
            font-size: 0.8em;
            opacity: 0.6;
            margin-top: 15px;
        }

        /* 响应式 */
        @media (max-width: 968px) {
            .hero { flex-direction: column; padding: 50px 5% 60px; }
            .hero-visual { flex: 0 0 auto; width: 100%; max-width: 400px; margin: 0 auto; }
            .hero h1 { font-size: 2.2em; }
            .nav-links { display: none; }
            .process-steps { flex-direction: column; gap: 40px; }
            .process-steps::before { display: none; }
            .process-step { width: 100%; }
            .data-strip-inner { gap: 25px; }
            .data-item .num { font-size: 2em; }
        }
        @media (max-width: 480px) {
            .hero h1 { font-size: 1.8em; }
            .section-title { font-size: 1.8em; }
            .download-group { flex-direction: column; }
            .btn-main, .btn-secondary { width: 100%; justify-content: center; }
        }