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

        a {
            text-decoration: none;
        }

        body {
            background: #fff;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            padding-bottom: 60px;
        }

        .header {
            width: 100%;
            margin: 0 auto;
            position: fixed;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            background-color: #FFFFFF;
            min-width: 1400px;
        }

        .header-top {
            background-color: #FFFFFF;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0px 4px 4px 0px #0000001A;

        }

        .nav-links {
            width: 100%;
            display: flex;
            align-items: center;
        }

        .nav-links .a-list {
            min-width: 1200px;
            width: 62.5%;
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
            justify-content: space-between;
        }

        .nav-links .a-list .a-inner-list {
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            color: #000;
            font-size: 20px;
            font-weight: 400;
        }

        .nav-item.active {
            color: #0066cc;
        }

        .nav-item:not(.active):hover {
            color: #0066cc;
        }

        .logo-item {
            min-width: 317px;
            width: 18.6%;
            padding-left: 40px;
            box-sizing: border-box;
        }

        .nav-icon {
            width: 34px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .nav-icon img {
            width: 100%;
            height: 100%;
            display: block;
        }

        .logo-txt {
            font-size: 20px;
            color: #000;
            font-weight: 400;
            white-space: nowrap;
        }

        .download-btn {
            background-color: #0754BA;
            color: white;
            border: none;
            width: 220px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            font-size: 24px;
            font-weight: 400;
            cursor: pointer;
            transition: background-color 0.3s;
        }

        .download-btn:hover {
            background-color: #050898;
        }

        .header-bottom {
            background-color: white;
            height: 80px;
            display: flex;
            align-items: center;
            padding: 0 120px;
            border-bottom: 1px solid #e0e0e0;
        }

        .logo {
            font-size: 24px;
            font-weight: bold;
            color: #333;
        }

        .main-download {


            padding: 64 0 20px;
            text-align: center;
        }

        .main-content {
            margin: 0 auto 80px;
            padding: 103px 0 73px;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 50px;
            background: linear-gradient(180deg, #4F52C1 0%, #3E40A7 100%);
        }
           .main-download h1 {
            width: fit-content;
            position: relative;
            text-align: center;
            margin: 0 auto;
            color: #fff;
        }
        .right-area-main {
            width: 657px;
            text-align: center;
        }
        .right-area-main h1{
            width: 100%;
            text-align: left;
        }
        .right-area-main .download-btn-large {
          margin: 0;
        }

        .cta-shine {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.4) 50%, rgba(255, 255, 255, 0) 100%);
            transform: skewX(-20deg) translateX(-150%);
            animation: shine 3s infinite;
            pointer-events: none;
        }

        @keyframes shine {
            0% {
                transform: skewX(-20deg) translateX(-150%);
            }

            20% {
                transform: skewX(-20deg) translateX(150%);
            }

            100% {
                transform: skewX(-20deg) translateX(150%);
            }
        }

        .main-logo {
            width: 300px;
        }

        .badge {
            width: 140px;
            height: 36px;
            line-height: 36px;
            text-align: center;
            color: white;
            border-radius: 4px;
            display: block;
            font-size: 16px;
            font-weight: 400;
            position: absolute;
            top: -20px;
            right: -20px;
            border-top-left-radius: 20.8px;
            border-top-right-radius: 20.8px;
            border-bottom-right-radius: 20.8px;
            background: linear-gradient(90deg, #D92057 0%, #FF9A78 100%);

        }

     
         .main-download h1 span.sub-tip-new {
            position: relative;
            top: -8px;
         }

        .main-download h1 strong {
            position: relative;
            font-size: 64px;
           
            color: #fff;
            margin-bottom: 20px;
            font-weight: 700;
            display: inline-block;
        }

        .main-download p {
            font-size: 24px;
            color: #fff;
            margin-bottom: 57px;
            line-height: 1.5;
            text-align: left;
        }

        .download-btn-large {
            position: relative;
            overflow: hidden;
            background: linear-gradient(90deg, #C88700 0%, #F0A500 47.12%, #F0A500 99.52%);


            color: white;
            border: none;
            border-radius: 10px;
            width: 300px;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 12px;
            margin: 0 auto 25px;
            transition: all 0.3s;
            box-sizing: border-box;
            border: 2px solid #EABB53
        }

        .download-btn-large:hover {
            background: linear-gradient(90deg, #f3b332 0%, #ecaf2b 47.12%, #bd8a1b 99.52%);
        }

        .download-btn-large img {
            width: 36px;
            height: 36px;
        }

        .features {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 15px;
        }

        .features span {
            display: flex;
            align-items: center;
            gap: 4px;
            color: #fff;
            font-size: 24px;
            font-weight: 290;
        }

        .features img {
            width: 30px;
            height: 30px;
            position: relative;
            top: 2px;
            margin-right: 5px;
        }

        .f-list {
            min-width: 1200px;
            width: 62.5%;
            margin: 0 auto 80px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            padding: 60px 0 0;
        }

        .f-item {
            padding: 26px 30px;
            background-color: #fafafa;
            transition: transform 0.3s, box-shadow 0.3s;
            border: 1px solid #EEEEEE
        }

        .f-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .f-item-header {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            justify-content: flex-start;
            gap: 15px;
            margin-bottom: 19px;
        }

        .f-item img {
            width: 30px;
        }

        .f-item h3 {
            font-size: 22px;
            color: #2C3E50;
            font-weight: 600;
            margin: 0;
        }

        .f-item p {
            font-size: 16px;
            font-weight: 400;
            color: #666;
            line-height: 26px;
            text-align: left;
            margin-bottom: 0;
        }

        /* 底部下载区域 */
        .bottom-download {
            padding: 60px 0 0;
            text-align: center;
        }

        .bottom-content {
            max-width: 1200px;
            margin: 0 auto;
        }

        .bottom-download h2 {
            position: relative;
            width: fit-content;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto;
            gap: 10px;
            font-size: 60px;
            margin-bottom: 20px;

        }

        .bottom-download h2 strong {
           color: #0754BA;
        }

        .bottom-download h2 img {
            width: 70px;
            height: 60px;
        }

        .bottom-download p {
            font-size: 24px;
            color: #666;
            margin-bottom: 30px;
            line-height: 1.6;
        }

        .download-btn-bottom {
            position: relative;
            overflow: hidden;
           background: linear-gradient(90deg, #C88700 0%, #F0A500 47.12%, #F0A500 99.52%);


            color: white;
            border: none;
            border-radius: 10px;
            width: 300px;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 12px;
            margin: 0 auto 25px;
            transition: all 0.3s;
            box-sizing: border-box;
            border: 2px solid #EABB53;
        }

        .download-btn-bottom:hover {
            background: linear-gradient(90deg, #C88700 0%, #F0A500 47.12%, #e4b142 99.52%);
        }

        .download-btn-bottom img {
            width: 34px;
            height: 34px;
        }

        .security-badges {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 40px;
            margin-top: 20px;
        }

        .security-badge {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .security-badge img {
            width: 200px;
        }

        .security-text {
            font-size: 20px;
            color: #666;
            margin-top: 20px;
            margin-bottom: 94px;
        }

        /* Footer样式 */
        .footer {
            margin-bottom: 40px;
            text-align: center;
            font-size: 24px;
            color: #BFBEBE;
        }

        .footer p {
            font-size: 24px;
            color: #BFBEBE;
            margin: 0;
        }

        /* 底部导航样式 */
        .bottom-nav {
            background-color: rgba(51, 51, 51, 0.96);
            height: 64px;
            line-height: 64px;
            color: #fff;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            width: 100%;
            z-index: 1000;
            transform: translateY(100%);
            transition: transform 0.3s ease-in-out;
            opacity: 0;
        }

        .bottom-nav.show {
            transform: translateY(0);
            opacity: 1;
        }

        .bottom-nav .nav-links {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }


        .bottom-nav .nav-links a {
            color: #fff;
            text-decoration: none;
            font-size: 20px;
            transition: color 0.3s;
        }

        .bottom-nav .nav-links a:hover {
            color: #0066cc;
        }

        /* FAQ模块 */
        .faq-section {
            padding: 0 0 0;
        }

        .faq-section .section-title {
            text-align: center;
            font-size: 32px;
            font-weight: bold;
            margin-bottom: 33px;
            color: #000000;
        }

        .faq-list {
            padding-top: 25px;
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .faq-item {
            background: #fff;
            border-radius: 10px;
            padding: 20px 22px;
            border: 1px solid #E8E8E8;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            transform: translateY(-2px);
        }

        .faq-question {
            font-size: 20px;
            font-weight: 700;
            color: #191919;
            margin: 0 0 10px 0;
            line-height: 26px;
        }

        .faq-answer {
            font-size: 16px;
            color: #5E5E5E;
            line-height: 26px;
            margin: 0;
        }
        .h-area {
            min-width: 1200px;
            width: 62.5%;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 25px 0;
            border-bottom: 4px solid #0754BA;
        }
        .h-area h3 {
            color: #133C8A;
            font-size: 36px;
            line-height: 36px;
            font-weight: 700;
        }
        .h-area h3 + p {
            font-size: 16px;
            font-weight: 400;
            color: #555555;
            margin-bottom: 0 !important;
        }
        @keyframes float {
            0% {
                transform: translateY(0px);
                animation-timing-function: ease-out;
            }

            15% {
                transform: translateY(-20px);
                animation-timing-function: ease-in;
            }

            30% {
                transform: translateY(0px);
                animation-timing-function: ease-out;
            }

            40% {
                transform: translateY(-12px);
                animation-timing-function: ease-in;
            }

            50% {
                transform: translateY(0px);
                animation-timing-function: ease-out;
            }

            58% {
                transform: translateY(-6px);
                animation-timing-function: ease-in;
            }

            65% {
                transform: translateY(0px);
                animation-timing-function: ease-out;
            }

            71% {
                transform: translateY(-3px);
                animation-timing-function: ease-in;
            }

            77% {
                transform: translateY(0px);
                animation-timing-function: ease-out;
            }

            83% {
                transform: translateY(-1px);
                animation-timing-function: ease-in;
            }

            100% {
                transform: translateY(0px);
            }
        }
/* 页面扩展：下载页 / 文章页 / 站点地图 */
.page-main {
    padding-top: 90px;
    min-width: 1200px;
    width: 62.5%;
    margin: 0 auto 60px;
}
.page-hero {
    background: linear-gradient(180deg, #4F52C1 0%, #3E40A7 100%);
    padding: 70px 40px;
    border-radius: 12px;
    color: #fff;
    margin-bottom: 40px;
    text-align: left;
}
.page-hero h1 {
    font-size: 42px;
    margin-bottom: 16px;
    font-weight: 700;
}
.page-hero p {
    font-size: 20px;
    line-height: 1.7;
    opacity: 0.95;
    max-width: 820px;
}
.breadcrumb {
    font-size: 16px;
    color: #666;
    margin-bottom: 20px;
}
.breadcrumb a {
    color: #0754BA;
}
.article-card-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 30px 0 50px;
}
.article-card {
    border: 1px solid #EEEEEE;
    background: #fafafa;
    padding: 28px 24px;
    transition: transform 0.3s, box-shadow 0.3s;
}
.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.article-card h2 {
    font-size: 22px;
    color: #2C3E50;
    margin-bottom: 12px;
}
.article-card p {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 18px;
}
.article-card .more-link {
    color: #0754BA;
    font-size: 16px;
}
.article-body {
    background: #fff;
    border: 1px solid #E8E8E8;
    border-radius: 10px;
    padding: 36px 40px;
    margin-bottom: 40px;
}
.article-meta {
    color: #888;
    font-size: 14px;
    margin-bottom: 22px;
}
.article-body h2 {
    font-size: 26px;
    color: #133C8A;
    margin: 28px 0 14px;
}
.article-body h3 {
    font-size: 20px;
    color: #2C3E50;
    margin: 22px 0 10px;
}
.article-body p, .article-body li {
    font-size: 16px;
    color: #555;
    line-height: 1.85;
}
.article-body p {
    margin-bottom: 14px;
}
.article-body ul, .article-body ol {
    padding-left: 22px;
    margin-bottom: 16px;
}
.article-body li {
    margin-bottom: 8px;
}
.download-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 30px 0;
}
.step-item {
    border: 1px solid #EEEEEE;
    background: #fafafa;
    padding: 26px 22px;
}
.step-item .num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #0754BA;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-bottom: 14px;
}
.step-item h3 {
    font-size: 20px;
    color: #2C3E50;
    margin-bottom: 10px;
}
.step-item p {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
}
.sitemap-list {
    list-style: none;
    padding: 0;
}
.sitemap-list li {
    border-bottom: 1px solid #eee;
    padding: 14px 0;
    font-size: 18px;
}
.sitemap-list a {
    color: #0754BA;
}
.related-links {
    margin: 20px 0 40px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}
.related-links a {
    color: #0754BA;
    font-size: 16px;
    border: 1px solid #dce7f7;
    padding: 8px 14px;
    border-radius: 6px;
    background: #f7faff;
}
.daily-tip {
    background: #FFF8EC;
    border-left: 4px solid #F0A500;
    padding: 16px 18px;
    margin: 20px 0;
    color: #664400;
    font-size: 15px;
    line-height: 1.7;
}
.footer .site-links {
    margin-bottom: 12px;
    font-size: 16px;
}
.footer .site-links a {
    color: #999;
    margin: 0 8px;
}
.footer .site-links a:hover {
    color: #0754BA;
}