/* ----------------------------------------------------------------
         * 布局一律用 Flex（不用 Grid），flex / transform / animation
         * 均带 -webkit- 前缀，兼容 UC 等老内核。
         * ---------------------------------------------------------------- */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
        }
        body {
            background-color: #f3f4f6;
            color: #1f2937;
            line-height: 1.7;
            padding: 20px 0 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }
        img { display: block; max-width: 100%; }
        a { color: #ea580c; text-decoration: none; }
        .container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media screen and (max-width: 768px) {
            .container { padding: 0 16px; }
        }

        /* ---------------- 头部站点 logo ---------------- */
        .site-header {
            display: -webkit-box;
            display: -webkit-flex;
            display: flex;
            -webkit-box-align: center;
            -webkit-align-items: center;
            align-items: center;
            gap: 12px;
            background: #ffffff;
            border: 1px solid #e5e7eb;
            border-radius: 16px;
            padding: 14px 20px;
            margin-bottom: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
        }
        .site-logo {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            overflow: hidden;
            background: #fff7ed;
            -webkit-flex-shrink: 0;
            flex-shrink: 0;
        }
        .site-logo img { width: 100%; height: 100%; object-fit: cover; }
        .site-name {
            font-size: 20px;
            font-weight: 700;
            color: #1f2937;
        }
        .site-slogan {
            margin-left: auto;
            font-size: 13px;
            color: #6b7280;
            white-space: nowrap;
        }
        @media screen and (max-width: 560px) {
            .site-slogan { display: none; }
            .site-name { font-size: 18px; }
        }

        /* ---------------- 首屏 banner ---------------- */
        .banner {
            background: linear-gradient(135deg, #fff7ed 0%, #ffffff 100%);
            border-radius: 16px;
            padding: 32px;
            margin-bottom: 8px;
            display: -webkit-box;
            display: -webkit-flex;
            display: flex;
            -webkit-box-align: center;
            -webkit-align-items: center;
            align-items: center;
            -webkit-box-pack: center;
            -webkit-justify-content: center;
            justify-content: center;
            gap: 40px;
            border: 1px solid #e5e7eb;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            position: relative;
            overflow: hidden;
        }
        .banner::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 6px;
            background: linear-gradient(90deg, #f97316, #ea580c);
        }
        @media screen and (max-width: 768px) {
            .banner {
                -webkit-box-orient: vertical;
                -webkit-box-direction: normal;
                -webkit-flex-direction: column;
                flex-direction: column;
                text-align: center;
                padding: 20px;
                gap: 16px;
            }
        }
        .banner-img {
            -webkit-flex-shrink: 0;
            flex-shrink: 0;
            width: 260px;
            height: 200px;
            border-radius: 12px;
            overflow: hidden;
            background: linear-gradient(135deg, #fed7aa, #fdba74);
            box-shadow: 0 6px 16px rgba(249, 115, 22, 0.2);
            border: 2px solid #ffffff;
        }
        .banner-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            -webkit-touch-callout: none;
        }
        @media screen and (max-width: 992px) {
            .banner-img { width: 200px; height: 180px; }
        }
        @media screen and (max-width: 768px) {
            .banner-img { width: 260px; height: 160px; margin: 0 auto; }
        }
        @media screen and (max-width: 480px) {
            .banner-img { width: 220px; height: 140px; }
        }
        .banner-content {
            -webkit-box-flex: 1;
            -webkit-flex: 1;
            flex: 1;
        }
        .banner-content h1 {
            font-size: 30px;
            font-weight: 700;
            color: #1f2937;
            margin-bottom: 20px;
            line-height: 1.3;
        }
        .banner-content h1 span { color: #f97316; font-weight: 800; }
        @media screen and (max-width: 992px) { .banner-content h1 { font-size: 26px; } }
        @media screen and (max-width: 768px) { .banner-content h1 { font-size: 24px; margin-top: 16px; line-height: 1.4; } }
        @media screen and (max-width: 480px) { .banner-content h1 { font-size: 21px; } }
        .banner-content p {
            font-size: 16px;
            color: #6b7280;
            margin-bottom: 16px;
            line-height: 1.8;
        }
        .banner-content p:last-child { margin-bottom: 0; }
        @media screen and (max-width: 768px) { .banner-content p { font-size: 15px; } }

        /* ---------------- 区块标题 ---------------- */
        .section-title {
            font-size: 26px;
            font-weight: 600;
            color: #1f2937;
            margin: 8px 0 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid #e5e7eb;
            position: relative;
        }
        .section-title::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 80px;
            height: 2px;
            background: linear-gradient(90deg, #f97316, #ea580c);
        }
        @media screen and (max-width: 768px) { .section-title { font-size: 24px; margin: 8px 0 16px; } }
        .section-sub {
            font-size: 14px;
            color: #6b7280;
            margin: -12px 0 20px;
        }

        /* ---------------- 用户下载记录滚动条 ---------------- */
        .download-ticker {
            background: #ea580c;
            color: #ffffff;
            height: 40px;
            line-height: 40px;
            margin: 0 0 16px 0;
            overflow: hidden;
            position: relative;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            text-align: center;
        }
        .ticker-wrap {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            -webkit-animation: ticker-scroll 24s linear infinite;
            animation: ticker-scroll 24s linear infinite;
        }
        .ticker-item {
            height: 40px;
            font-size: 14px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            padding: 0 24px;
        }
        @media screen and (max-width: 768px) { .ticker-item { font-size: 13px; padding: 0 12px; } }
        @-webkit-keyframes ticker-scroll {
            0%   { -webkit-transform: translateY(0);    transform: translateY(0); }
            100% { -webkit-transform: translateY(-50%); transform: translateY(-50%); }
        }
        @keyframes ticker-scroll {
            0%   { -webkit-transform: translateY(0);    transform: translateY(0); }
            100% { -webkit-transform: translateY(-50%); transform: translateY(-50%); }
        }

        /* ---------------- APP 人气榜单 ---------------- */
        .rank-list {
            display: -webkit-box;
            display: -webkit-flex;
            display: flex;
            -webkit-box-orient: vertical;
            -webkit-box-direction: normal;
            -webkit-flex-direction: column;
            flex-direction: column;
            gap: 20px;
            margin-bottom: 40px;
        }
        @media screen and (max-width: 768px) { .rank-list { gap: 16px; margin-bottom: 30px; } }

        /* 核心：用 Flex 实现横向排布（不用 Grid） */
        .rank-item {
            background: #ffffff;
            border-radius: 16px;
            padding: 24px;
            display: -webkit-box;
            display: -webkit-flex;
            display: flex;
            -webkit-box-align: center;
            -webkit-align-items: center;
            align-items: center;
            gap: 15px;
            border: 1px solid #e5e7eb;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            -webkit-transition: all 0.4s ease;
            transition: all 0.4s ease;
            position: relative;
        }
        .rank-item:hover, .rank-item:active {
            -webkit-transform: translateY(-4px);
            transform: translateY(-4px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
            border-color: #f97316;
        }
        @media screen and (max-width: 768px) {
            .rank-item {
                padding: 16px;
                gap: 10px;
                -webkit-flex-wrap: wrap;
                flex-wrap: wrap;
            }
        }
        .rank-num {
            -webkit-flex-shrink: 0;
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #f97316, #ea580c);
            color: #ffffff;
            border-radius: 50%;
            display: -webkit-box;
            display: -webkit-flex;
            display: flex;
            -webkit-box-align: center;
            -webkit-align-items: center;
            align-items: center;
            -webkit-box-pack: center;
            -webkit-justify-content: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            box-shadow: 0 4px 8px rgba(249, 115, 22, 0.3);
        }
        @media screen and (max-width: 768px) { .rank-num { width: 40px; height: 40px; font-size: 18px; } }
        @media screen and (max-width: 480px) { .rank-num { width: 36px; height: 36px; font-size: 16px; } }

        .rank-icon {
            -webkit-flex-shrink: 0;
            flex-shrink: 0;
            width: 70px;
            height: 70px;
            border-radius: 14px;
            overflow: hidden;
            border: 2px solid #e5e7eb;
            position: relative;
            -webkit-transition: border-color 0.3s ease;
            transition: border-color 0.3s ease;
        }
        .rank-icon img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            -webkit-touch-callout: none;
        }
        .rank-icon .logo-fallback {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            display: none;
            -webkit-box-align: center;
            -webkit-align-items: center;
            align-items: center;
            -webkit-box-pack: center;
            -webkit-justify-content: center;
            justify-content: center;
            color: #ffffff;
            font-size: 26px;
            font-weight: 700;
        }
        .rank-item:hover .rank-icon { border-color: #f97316; }
        @media screen and (max-width: 768px) { .rank-icon { width: 60px; height: 60px; } }
        @media screen and (max-width: 480px) { .rank-icon { width: 56px; height: 56px; } }

        .rank-name {
            -webkit-flex-shrink: 0;
            flex-shrink: 0;
            width: 104px;
            font-size: 20px;
            font-weight: 600;
            color: #1f2937;
            display: -webkit-box;
            display: -webkit-flex;
            display: flex;
            -webkit-box-orient: vertical;
            -webkit-box-direction: normal;
            -webkit-flex-direction: column;
            flex-direction: column;
            -webkit-box-align: start;
            -webkit-align-items: flex-start;
            align-items: flex-start;
            gap: 6px;
            line-height: 1.3;
        }
        .rank-name .name-text { white-space: nowrap; }
        @media screen and (max-width: 992px) { .rank-name { width: 96px; font-size: 18px; } }
        @media screen and (max-width: 768px) {
            .rank-name {
                width: auto;
                -webkit-box-flex: 1;
                -webkit-flex: 1;
                flex: 1;
                font-size: 18px;
                min-width: 0;
            }
        }
        @media screen and (max-width: 480px) { .rank-name { font-size: 16px; gap: 4px; } }

        .app-tag {
            display: inline-block;
            padding: 1px 6px;
            border-radius: 8px;
            font-size: 12px;
            font-weight: 500;
            color: #ffffff;
            line-height: 1.8;
            white-space: nowrap;
        }
        @media screen and (max-width: 768px) { .app-tag { padding: 1px 4px; font-size: 10px; } }
        .tag-first  { background-color: #ea580c; }
        .tag-fast   { background-color: #f59e0b; }
        .tag-high   { background-color: #8b5cf6; }
        .tag-old    { background-color: #3b82f6; }
        .tag-newbie { background-color: #10b981; }
        .tag-normal { background-color: #6b7280; }

        .hot-flame {
            font-size: 14px;
            line-height: 1;
            -webkit-flex-shrink: 0;
            flex-shrink: 0;
        }

        .rank-desc {
            -webkit-box-flex: 1;
            -webkit-flex: 1;
            flex: 1;
            font-size: 15px;
            color: #6b7280;
            line-height: 1.8;
            padding: 0 8px;
            min-width: 120px;
        }
        .rank-score {
            display: inline-block;
            padding: 1px 7px;
            border-radius: 8px;
            background: #fff7ed;
            color: #ea580c;
            font-size: 12px;
            font-weight: 600;
            margin-right: 6px;
            white-space: nowrap;
        }
        @media screen and (max-width: 768px) {
            /* 窄屏：一句话介绍单独占一整行（flex-basis 必须是 100%，
               否则基础样式里的 flex:1（basis 0）会让它一直待在名称同一行靠右） */
            .rank-desc {
                -webkit-box-flex: 0;
                -webkit-flex: 0 0 100%;
                flex: 0 0 100%;
                width: 100%;
                margin-top: 8px;
                padding-top: 8px;
                border-top: 1px dashed #e5e7eb;
                font-size: 14px;
                -webkit-box-ordinal-group: 6;
                -webkit-order: 5;
                order: 5;
                padding-left: 0;
                padding-right: 0;
            }
        }

        .rank-download {
            -webkit-flex-shrink: 0;
            flex-shrink: 0;
            width: 120px;
        }
        @media screen and (max-width: 992px) { .rank-download { width: 100px; } }
        @media screen and (max-width: 768px) {
            /* 窄屏：按钮独占一行全宽，避免横向溢出 */
            .rank-download {
                -webkit-flex: 0 0 100%;
                flex: 0 0 100%;
                width: 100%;
                -webkit-box-ordinal-group: 7;
                -webkit-order: 6;
                order: 6;
            }
        }
        .download-btn {
            display: block;
            width: 100%;
            padding: 14px 0;
            background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
            color: #ffffff;
            text-align: center;
            border: 0;
            border-radius: 12px;
            text-decoration: none;
            font-size: 16px;
            font-weight: 600;
            font-family: inherit;
            cursor: pointer;
            -webkit-appearance: none;
            appearance: none;
            -webkit-transition: all 0.3s ease;
            transition: all 0.3s ease;
            box-shadow: 0 4px 8px rgba(249, 115, 22, 0.2);
        }
        .download-btn:hover, .download-btn:active {
            -webkit-transform: scale(1.03);
            transform: scale(1.03);
            box-shadow: 0 6px 12px rgba(249, 115, 22, 0.3);
            background: linear-gradient(135deg, #ea580c, #f97316);
        }
        .download-btn[data-unavailable] {
            pointer-events: none;
            opacity: 0.55;
            cursor: default;
            background: #9ca3af;
            box-shadow: none;
        }
        @media screen and (max-width: 768px) { .download-btn { padding: 10px 0; font-size: 14px; border-radius: 8px; } }
        @media screen and (max-width: 480px) { .download-btn { padding: 9px 0; font-size: 13px; } }

        /* ---------------- 用户真实评价 ---------------- */
        .review-list {
            display: -webkit-box;
            display: -webkit-flex;
            display: flex;
            -webkit-flex-wrap: wrap;
            flex-wrap: wrap;
            gap: 24px;
            margin-bottom: 40px;
        }
        @media screen and (max-width: 768px) {
            .review-list {
                -webkit-box-orient: vertical;
                -webkit-box-direction: normal;
                -webkit-flex-direction: column;
                flex-direction: column;
                gap: 20px;
                margin-bottom: 30px;
            }
        }
        .review-item {
            -webkit-box-flex: 1;
            -webkit-flex: 1;
            flex: 1;
            min-width: 280px;
            background: #ffffff;
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            border: 1px solid #e5e7eb;
            border-left: 4px solid #f97316;
            -webkit-transition: all 0.3s ease;
            transition: all 0.3s ease;
        }
        .review-item:hover, .review-item:active {
            -webkit-transform: translateY(-3px);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }
        @media screen and (max-width: 768px) { .review-item { padding: 20px; min-width: 0; } }
        .review-user {
            display: -webkit-box;
            display: -webkit-flex;
            display: flex;
            -webkit-box-align: center;
            -webkit-align-items: center;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            overflow: hidden;
            position: relative;
            background: #fff7ed;
            -webkit-flex-shrink: 0;
            flex-shrink: 0;
        }
        .review-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            -webkit-touch-callout: none;
        }
        .review-avatar .avatar-fallback {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            display: none;
            -webkit-box-align: center;
            -webkit-align-items: center;
            align-items: center;
            -webkit-box-pack: center;
            -webkit-justify-content: center;
            justify-content: center;
            background: #f97316;
            color: #ffffff;
            font-size: 16px;
            font-weight: 700;
        }
        .review-name { font-weight: 600; color: #1f2937; }
        .review-rating { color: #f97316; font-size: 14px; margin-left: auto; }
        .review-content { color: #6b7280; line-height: 1.7; font-size: 15px; }
        @media screen and (max-width: 768px) { .review-content { font-size: 14px; } }

        /* ---------------- 挣钱指南 ---------------- */
        .guide {
            background: linear-gradient(135deg, #fff7ed 0%, #ffffff 100%);
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            border: 1px solid #e5e7eb;
            margin-bottom: 40px;
            position: relative;
        }
        .guide::before {
            content: "🛡";
            font-size: 24px;
            position: absolute;
            top: 24px;
            right: 24px;
        }
        .guide h3 {
            font-size: 22px;
            color: #ea580c;
            margin-bottom: 20px;
            padding-right: 40px;
        }
        .guide ul {
            padding-left: 20px;
            color: #6b7280;
            line-height: 2;
        }
        .guide li { margin-bottom: 8px; }
        .guide li strong { color: #1f2937; }
        @media screen and (max-width: 768px) {
            .guide { padding: 24px; margin-bottom: 30px; }
            .guide li { font-size: 15px; }
        }
        @media screen and (max-width: 480px) {
            .guide { padding: 20px 16px; }
            .guide::before { font-size: 20px; top: 16px; right: 16px; }
        }

        /* ---------------- 榜单总结 ---------------- */
        .summary {
            background: #ffffff;
            border-radius: 16px;
            padding: 32px;
            margin-bottom: 40px;
            border: 1px solid #e5e7eb;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            position: relative;
            overflow: hidden;
        }
        .summary::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 6px;
            height: 100%;
            background: linear-gradient(180deg, #f97316, #ea580c);
        }
        .summary h2 {
            font-size: 24px;
            font-weight: 600;
            color: #1f2937;
            margin-bottom: 24px;
            padding-left: 12px;
            border-left: 4px solid #f97316;
        }
        .summary p {
            font-size: 16px;
            color: #6b7280;
            margin-bottom: 20px;
            line-height: 1.8;
        }
        .summary p:last-child { margin-bottom: 0; }
        .summary strong { color: #1f2937; }
        @media screen and (max-width: 768px) {
            .summary { padding: 24px; margin-bottom: 30px; }
            .summary h2 { font-size: 22px; }
            .summary p { font-size: 15px; }
        }
        @media screen and (max-width: 480px) { .summary { padding: 20px 16px; } }

        /* ---------------- 常见问题 ---------------- */
        .faq { margin-bottom: 40px; }
        .faq-list {
            display: -webkit-box;
            display: -webkit-flex;
            display: flex;
            -webkit-box-orient: vertical;
            -webkit-box-direction: normal;
            -webkit-flex-direction: column;
            flex-direction: column;
            gap: 20px;
        }
        @media screen and (max-width: 768px) { .faq { margin-bottom: 30px; } .faq-list { gap: 16px; } }
        .faq-item {
            background: #ffffff;
            border-radius: 12px;
            padding: 24px;
            border: 1px solid #e5e7eb;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            -webkit-transition: border-color 0.3s ease;
            transition: border-color 0.3s ease;
        }
        .faq-item:hover, .faq-item:active { border-color: #ea580c; }
        @media screen and (max-width: 768px) { .faq-item { padding: 20px; } }
        .faq-question {
            font-size: 18px;
            color: #1f2937;
            font-weight: 600;
            margin-bottom: 12px;
            display: -webkit-box;
            display: -webkit-flex;
            display: flex;
            -webkit-box-align: start;
            -webkit-align-items: flex-start;
            align-items: flex-start;
            gap: 12px;
        }
        @media screen and (max-width: 768px) { .faq-question { font-size: 17px; } }
        .faq-question span {
            display: inline-block;
            width: 24px;
            height: 24px;
            background: #ea580c;
            color: #ffffff;
            border-radius: 50%;
            text-align: center;
            font-size: 14px;
            line-height: 24px;
            -webkit-flex-shrink: 0;
            flex-shrink: 0;
        }
        .faq-answer {
            font-size: 15px;
            color: #6b7280;
            line-height: 1.8;
            padding-left: 36px;
        }
        @media screen and (max-width: 768px) { .faq-answer { padding-left: 30px; font-size: 14px; } }

        /* ---------------- 页脚 ---------------- */
        .site-footer {
            background: #1f2937;
            color: #ffffff;
            padding: 30px 0;
            border-top: 4px solid #f97316;
            margin-top: 24px;
            text-align: center;
        }
        .footer-inner { max-width: 1000px; margin: 0 auto; padding: 0 24px; }
        .footer-links {
            display: -webkit-box;
            display: -webkit-flex;
            display: flex;
            -webkit-align-items: center;
            align-items: center;
            -webkit-box-pack: center;
            -webkit-justify-content: center;
            justify-content: center;
            -webkit-flex-wrap: wrap;
            flex-wrap: wrap;
            gap: 8px 4px;
            padding: 6px 0;
        }
        .footer-links span { color: #e5e7eb; font-size: 15px; font-weight: 500; }
        .footer-link {
            color: #fdba74;
            text-decoration: none;
            margin: 0 6px;
            font-size: 15px;
            -webkit-transition: color 0.3s ease;
            transition: color 0.3s ease;
        }
        .footer-link:hover, .footer-link:active {
            color: #ffffff;
            text-decoration: underline;
        }
        .footer-copy {
            margin-top: 10px;
            font-size: 13px;
            color: #9ca3af;
            line-height: 1.8;
        }
        .footer-copy a { color: #fdba74; }
        @media screen and (max-width: 768px) {
            .footer-inner { padding: 0 16px; }
            .footer-link, .footer-links span { font-size: 14px; }
            .footer-link { margin: 0 4px; }
        }

        /* ---------------- 动效降级 ---------------- */
        @media (prefers-reduced-motion: reduce) {
            .ticker-wrap {
                -webkit-animation: none;
                animation: none;
            }
            .rank-item, .review-item, .download-btn {
                -webkit-transition: none;
                transition: none;
            }
            .rank-item:hover, .rank-item:active {
                -webkit-transform: none;
                transform: none;
            }
        }