* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', '思源黑体', sans-serif;
        }
        body {
            background-color: #FFFFFF;
            color: #333333;
            line-height: 1.6;
            -webkit-tap-highlight-color: transparent; /* 清除点击高亮 */
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* 新增：提示框样式 */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        .modal-content {
            background-color: white;
            border-radius: 20px;
            padding: 40px 30px;
            max-width: 400px;
            width: 90%;
            text-align: center;
            box-shadow: 0 10px 40px rgba(157,92,255,0.3);
            transform: translateY(-20px);
            transition: transform 0.3s ease;
        }
        .modal-overlay.active .modal-content {
            transform: translateY(0);
        }
        .modal-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #9D5CFF, #FF7E95);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            color: white;
            font-size: 36px;
        }
        .modal-title {
            font-size: 24px;
            color: #222222;
            margin-bottom: 16px;
            font-weight: 600;
        }
        .modal-desc {
            font-size: 16px;
            color: #666666;
            margin-bottom: 28px;
            line-height: 1.5;
        }
        .modal-btn {
            background: linear-gradient(135deg, #9D5CFF, #FF7E95);
            color: white;
            border: none;
            padding: 12px 32px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            transition: transform 0.3s;
            width: 100%;
        }
        .modal-btn:hover {
            transform: translateY(-3px);
        }

        /* 移动端汉堡菜单 */
        .menu-btn {
            display: none;
            width: 44px;
            height: 44px;
            border: none;
            background: transparent;
            color: #9D5CFF;
            font-size: 24px;
            cursor: pointer;
            justify-content: center;
            align-items: center;
        }
        .mobile-menu {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(255,255,255,0.98);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 60px 20px;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
        }
        .mobile-menu.active {
            transform: translateX(0);
        }
        .close-btn {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 44px;
            height: 44px;
            border: none;
            background: transparent;
            color: #9D5CFF;
            font-size: 24px;
            cursor: pointer;
        }
        .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 30px;
            margin-bottom: 40px;
        }
        .mobile-nav-links a {
            text-decoration: none;
            color: #222222;
            font-size: 20px;
            font-weight: 600;
            padding: 10px 0;
            border-bottom: 1px solid #F5F0FF;
        }
        .mobile-nav-links a:hover {
            color: #9D5CFF;
        }
        .mobile-download-btn {
            background: linear-gradient(135deg, #9D5CFF, #FF7E95);
            color: white;
            border: none;
            padding: 16px 0;
            border-radius: 30px;
            font-weight: 600;
            font-size: 18px;
            cursor: pointer;
            margin-top: 20px;
        }

        /* 头部导航 */
        header {
            padding: 16px 0;
            position: sticky;
            top: 0;
            background: rgba(255,255,255,0.98);
            z-index: 999;
            box-shadow: 0 2px 10px rgba(157,92,255,0.1);
        }

        /* iOS 顶部唤起条（自绘） */
        .ios-open-banner {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            display: none;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(157,92,255,0.12);
            z-index: 2001;
        }
        body.has-ios-open-banner {
            padding-top: 56px;
        }
        body.has-ios-open-banner header {
            top: 56px;
        }
        body.has-ios-open-banner .ios-open-banner {
            display: flex;
        }
        .ios-open-banner .banner-close {
            width: 32px;
            height: 32px;
            border: none;
            border-radius: 10px;
            background: rgba(0,0,0,0.04);
            color: #666;
            font-size: 18px;
            line-height: 32px;
            cursor: pointer;
        }
        .ios-open-banner .banner-app {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 1;
            min-width: 0;
        }
        .ios-open-banner .banner-logo {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            overflow: hidden;
            flex: 0 0 auto;
            box-shadow: 0 6px 16px rgba(157,92,255,0.18);
            background: linear-gradient(135deg, #9D5CFF, #FF7E95);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .ios-open-banner .banner-logo img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }
        .ios-open-banner .banner-text {
            min-width: 0;
        }
        .ios-open-banner .banner-title {
            font-size: 14px;
            font-weight: 700;
            color: #222;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ios-open-banner .banner-subtitle {
            font-size: 12px;
            color: #666;
            margin-top: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ios-open-banner .banner-open-btn {
            border: none;
            padding: 10px 14px;
            border-radius: 999px;
            background: linear-gradient(135deg, #9D5CFF, #FF7E95);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            cursor: pointer;
            box-shadow: 0 10px 24px rgba(157,92,255,0.22);
            flex: 0 0 auto;
        }
        .ios-open-banner .banner-open-btn:active {
            transform: translateY(1px);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-img {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 16px;
        }
        .logo-img img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }
        .logo-text {
            font-size: 22px;
            font-weight: 700;
            background: linear-gradient(135deg, #9D5CFF, #FF7E95);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .nav-links {
            display: flex;
            gap: 30px;
        }
        .nav-links a {
            text-decoration: none;
            color: #666666;
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-links a:hover {
            color: #9D5CFF;
        }
        .download-btn {
            background: linear-gradient(135deg, #9D5CFF, #FF7E95);
            color: white;
            border: none;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s;
        }
        .download-btn:hover {
            transform: translateY(-3px);
        }

        /* 英雄区 */
        .hero {
            padding: 60px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            top: 0;
            right: 0;
            width: 80%;
            height: 80%;
            background: radial-gradient(circle at center, rgba(157,92,255,0.1), transparent 70%);
            z-index: -1;
        }
        .hero-content {
            display: flex;
            align-items: center;
            gap: 40px;
        }
        .hero-text {
            flex: 1;
        }
        .hero-tag {
            background-color: rgba(157,92,255,0.1);
            color: #9D5CFF;
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            display: inline-block;
            margin-bottom: 16px;
        }
        .hero-title {
            font-size: 48px;
            line-height: 1.3;
            margin-bottom: 20px;
            color: #222222;
        }
        .hero-title span {
            background: linear-gradient(135deg, #9D5CFF, #FF7E95);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-desc {
            font-size: 18px;
            color: #666666;
            margin-bottom: 28px;
            max-width: 500px;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
        }
        .primary-btn {
            background: linear-gradient(135deg, #9D5CFF, #FF7E95);
            color: white;
            border: none;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            transition: transform 0.3s;
            flex: 1;
            text-align: center;
        }
        .primary-btn:hover {
            transform: translateY(-3px);
        }
        .secondary-btn {
            background-color: white;
            color: #9D5CFF;
            border: 2px solid #9D5CFF;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s;
            flex: 1;
            text-align: center;
        }
        .secondary-btn:hover {
            background-color: rgba(157,92,255,0.05);
        }
        .hero-img {
            flex: 1;
            position: relative;
        }
        .hero-meme {
            width: 100%;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(157,92,255,0.2);
        }
        .meme-decor1 {
            position: absolute;
            top: -15px;
            right: -15px;
            width: 100px;
            height: 100px;
            background-color: #FF7E95;
            border-radius: 50%;
            opacity: 0.2;
            filter: blur(25px);
        }
        .meme-decor2 {
            position: absolute;
            bottom: -20px;
            left: -10px;
            width: 120px;
            height: 120px;
            background-color: #9D5CFF;
            border-radius: 50%;
            opacity: 0.2;
            filter: blur(25px);
        }

        /* 核心亮点区 */
        .features {
            padding: 80px 0;
            background-color: #FAFAFF;
        }
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }
        .section-subtitle {
            font-size: 15px;
            color: #9D5CFF;
            font-weight: 500;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 36px;
            color: #222222;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: #666666;
            max-width: 700px;
            margin: 0 auto;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .feature-card {
            background-color: white;
            border-radius: 20px;
            padding: 30px 24px;
            box-shadow: 0 5px 20px rgba(157,92,255,0.08);
            transition: transform 0.3s;
        }
        .feature-card:hover {
            transform: translateY(-10px);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, #9D5CFF, #FF7E95);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: white;
            font-size: 22px;
        }
        .feature-title {
            font-size: 20px;
            color: #222222;
            margin-bottom: 12px;
        }
        .feature-desc {
            font-size: 15px;
            color: #666666;
        }

        /* 功能展示区 */
        .function-showcase {
            padding: 80px 0;
        }
        .function-item {
            display: flex;
            align-items: center;
            gap: 60px;
            margin-bottom: 80px;
        }
        .function-item:last-child {
            margin-bottom: 0;
        }
        .function-img {
            flex: 1;
        }
        .function-img img {
            width: 100%;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(157,92,255,0.1);
        }
        .function-text {
            flex: 1;
        }
        .function-tag {
            background-color: rgba(255,126,149,0.1);
            color: #FF7E95;
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            display: inline-block;
            margin-bottom: 14px;
        }
        .function-title {
            font-size: 30px;
            color: #222222;
            margin-bottom: 16px;
        }
        .function-desc {
            font-size: 15px;
            color: #666666;
            margin-bottom: 20px;
        }
        .function-list {
            list-style: none;
            margin-bottom: 28px;
        }
        .function-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 10px;
        }
        .function-list li:before {
            content: "✓";
            color: #9D5CFF;
            font-weight: bold;
            margin-top: 4px;
        }

        /* 赛道展示区 */
        .tracks {
            padding: 80px 0;
            background-color: #FAFAFF;
        }
        .tracks-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .track-card {
            background-color: white;
            border-radius: 16px;
            padding: 24px 16px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(157,92,255,0.08);
            transition: all 0.3s;
        }
        .track-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(157,92,255,0.15);
        }
        .track-icon {
            width: 48px;
            height: 48px;
            background-color: rgba(157,92,255,0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            color: #9D5CFF;
            font-size: 18px;
        }
        .track-title {
            font-size: 16px;
            color: #222222;
            font-weight: 600;
        }

        /* 会员权益区 */
        .membership {
            padding: 80px 0;
        }
        .membership-card {
            background: linear-gradient(135deg, #F5F0FF, #FFEEF2);
            border-radius: 30px;
            padding: 40px 24px;
            display: flex;
            align-items: center;
            gap: 40px;
        }
        .membership-text {
            flex: 2;
        }
        .membership-title {
            font-size: 32px;
            color: #222222;
            margin-bottom: 16px;
        }
        .membership-desc {
            font-size: 16px;
            color: #666666;
            margin-bottom: 24px;
        }
        .membership-benefits {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
            margin-bottom: 24px;
        }
        .benefit-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .benefit-icon {
            color: #9D5CFF;
            font-size: 18px;
        }
        .membership-price {
            flex: 1;
            background-color: white;
            border-radius: 20px;
            padding: 24px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(157,92,255,0.1);
        }
        .price-tag {
            font-size: 44px;
            font-weight: 700;
            color: #9D5CFF;
            margin-bottom: 6px;
        }
        .price-desc {
            font-size: 15px;
            color: #666666;
            margin-bottom: 20px;
        }
        .trial-text {
            font-size: 13px;
            color: #FF7E95;
            font-weight: 500;
            margin-bottom: 14px;
        }

        /* 下载区 */
        .download {
            padding: 80px 0;
            background: linear-gradient(135deg, #9D5CFF, #FF7E95);
            color: white;
            text-align: center;
        }
        .download-title {
            font-size: 32px;
            margin-bottom: 16px;
        }
        .download-desc {
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto 32px;
            opacity: 0.9;
        }
        .download-links {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 40px;
        }
        .download-link {
            display: flex;
            align-items: center;
            gap: 10px;
            background-color: white;
            color: #9D5CFF;
            padding: 14px 24px;
            border-radius: 12px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s;
        }
        .download-link:hover {
            transform: translateY(-3px);
        }
        .download-link img {
            width: 32px;
            height: 32px;
        }
        .qrcode {
            background-color: white;
            width: 160px;
            height: 160px;
            border-radius: 12px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 10px;
        }
        .qrcode img {
            width: 100%;
            height: 100%;
        }

        /* 页脚 */
        footer {
            padding: 50px 0 30px;
            background-color: #222222;
            color: white;
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-logo-img {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 16px;
        }

        .footer-logo-img img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }
        
        .footer-logo-text {
            font-size: 22px;
            font-weight: 700;
        }
        .footer-desc {
            color: #AAAAAA;
            max-width: 300px;
            margin-bottom: 16px;
            font-size: 14px;
        }
        .social-links {
            display: flex;
            gap: 14px;
        }
        .social-link {
            width: 36px;
            height: 36px;
            background-color: #333333;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            transition: background-color 0.3s;
        }
        .social-link:hover {
            background-color: #9D5CFF;
        }
        .footer-column {
            flex: 1;
            min-width: 160px;
        }
        .footer-column-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #AAAAAA;
            text-decoration: none;
            transition: color 0.3s;
            font-size: 14px;
        }
        .footer-links a:hover {
            color: #9D5CFF;
        }
        .copyright {
            text-align: center;
            color: #AAAAAA;
            padding-top: 30px;
            border-top: 1px solid #333333;
            font-size: 13px;
        }

        /* 滚动动画（移动端优化） */
        @media (prefers-reduced-motion: no-preference) {
            .feature-card, .function-item, .track-card, .membership-card {
                opacity: 0;
                transform: translateY(20px);
                transition: opacity 0.6s ease, transform 0.6s ease;
            }
            .feature-card.animate, .function-item.animate, .track-card.animate, .membership-card.animate {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* 平板适配（768-992px） */
        @media (max-width: 992px) {
            .hero-content {
                flex-direction: column;
                text-align: center;
                gap: 40px;
            }
            .hero-desc {
                margin: 0 auto 28px;
            }
            .hero-btns {
                justify-content: center;
                max-width: 400px;
                margin: 0 auto;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .function-item {
                flex-direction: column;
                gap: 40px;
                text-align: center;
            }
            .function-list {
                text-align: left;
                max-width: 400px;
                margin-left: auto;
                margin-right: auto;
            }
            .function-item:nth-child(even) {
                flex-direction: column-reverse;
            }
            .tracks-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .membership-card {
                flex-direction: column;
                text-align: center;
                gap: 40px;
                padding: 40px 24px;
            }
            .membership-benefits {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin-left: auto;
                margin-right: auto;
            }
        }

        /* 手机适配（≤768px） */
        @media (max-width: 768px) {
            /* 显示汉堡菜单，隐藏桌面导航 */
            .nav-links {
                display: none;
            }
            .download-btn {
                display: none;
            }
            .menu-btn {
                display: flex;
            }

            /* 英雄区优化 */
            .hero {
                padding: 40px 0 30px;
            }
            .hero-title {
                font-size: 32px;
                line-height: 1.25;
                margin-bottom: 16px;
            }
            .hero-desc {
                font-size: 15px;
                margin-bottom: 24px;
            }
            .hero-btns {
                flex-direction: column;
                gap: 12px;
                max-width: 100%;
            }
            .primary-btn, .secondary-btn {
                padding: 14px 0;
                font-size: 15px;
            }
            .meme-decor1 {
                width: 80px;
                height: 80px;
                top: -10px;
                right: -10px;
            }
            .meme-decor2 {
                width: 100px;
                height: 100px;
                bottom: -15px;
                left: -5px;
            }

            /* 通用section优化 */
            .section-title {
                font-size: 26px;
            }
            .section-desc {
                font-size: 15px;
                padding: 0 10px;
            }
            .section-header {
                margin-bottom: 40px;
            }

            /* 核心亮点区 */
            .features {
                padding: 60px 0;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .feature-card {
                padding: 28px 20px;
            }
            .feature-icon {
                width: 52px;
                height: 52px;
                margin-bottom: 16px;
            }
            .feature-title {
                font-size: 19px;
            }
            .feature-desc {
                font-size: 14px;
            }

            /* 功能展示区 */
            .function-showcase {
                padding: 60px 0;
            }
            .function-item {
                gap: 30px;
                margin-bottom: 60px;
            }
            .function-title {
                font-size: 24px;
                margin-bottom: 14px;
            }
            .function-desc {
                font-size: 14px;
            }
            .function-list {
                margin-bottom: 24px;
            }
            .function-list li {
                font-size: 14px;
                gap: 10px;
            }

            /* 赛道展示区 */
            .tracks {
                padding: 60px 0;
            }
            .tracks-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .track-card {
                padding: 20px 12px;
            }
            .track-icon {
                width: 44px;
                height: 44px;
                margin-bottom: 12px;
            }
            .track-title {
                font-size: 15px;
            }

            /* 会员权益区 */
            .membership {
                padding: 60px 0;
            }
            .membership-card {
                padding: 30px 16px;
                gap: 30px;
                border-radius: 20px;
            }
            .membership-title {
                font-size: 24px;
                margin-bottom: 14px;
            }
            .membership-desc {
                font-size: 14px;
                margin-bottom: 20px;
            }
            .membership-benefits {
                gap: 12px;
            }
            .benefit-item {
                font-size: 14px;
            }
            .membership-price {
                padding: 20px 16px;
            }
            .price-tag {
                font-size: 38px;
            }
            .price-desc {
                font-size: 14px;
            }

            /* 下载区 */
            .download {
                padding: 60px 0;
            }
            .download-title {
                font-size: 24px;
                margin-bottom: 14px;
            }
            .download-desc {
                font-size: 14px;
                margin-bottom: 24px;
            }
            .download-links {
                flex-direction: column;
                align-items: center;
                gap: 16px;
                margin-bottom: 30px;
            }
            .download-link {
                width: 100%;
                justify-content: center;
                padding: 12px 0;
                font-size: 15px;
            }
            .download-link img {
                width: 28px;
                height: 28px;
            }
            .qrcode {
                width: 140px;
                height: 140px;
            }

            /* 页脚 */
            footer {
                padding: 40px 0 20px;
            }
            .footer-content {
                gap: 24px;
                margin-bottom: 24px;
            }
            .footer-column {
                min-width: 140px;
            }
            .footer-column-title {
                font-size: 15px;
                margin-bottom: 14px;
            }
            .copyright {
                padding-top: 24px;
                font-size: 12px;
            }

            /* 提示框移动端适配 */
            .modal-content {
                padding: 30px 20px;
            }
            .modal-icon {
                width: 60px;
                height: 60px;
                font-size: 28px;
                margin-bottom: 20px;
            }
            .modal-title {
                font-size: 20px;
                margin-bottom: 14px;
            }
            .modal-desc {
                font-size: 15px;
                margin-bottom: 24px;
            }
            .modal-btn {
                padding: 12px 0;
                font-size: 15px;
            }
        }

        /* 小屏手机适配（≤375px） */
        @media (max-width: 375px) {
            .hero-title {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .download-link {
                font-size: 14px;
            }
            .track-title {
                font-size: 14px;
            }
        }