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

a {
    text-decoration: none;
}

body {
    background: #fff;
    font-family: "Microsoft YaHei", "PingFang SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    padding-bottom: 60px;
    color: #222;
}

.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;
    object-fit: contain;
}

.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;
}

.main-download {
    padding: 64px 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;
    animation: float 4s ease-in-out infinite;
}

.badge {
    width: 140px;
    height: 36px;
    line-height: 36px;
    text-align: center;
    color: white;
    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;
    font-size: 28px;
    margin-left: 8px;
}

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

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

.download-btn-large,
.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;
    gap: 12px;
    margin: 0 auto 25px;
    transition: all 0.3s;
    box-sizing: border-box;
    border: 2px solid #EABB53;
}

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

.download-btn-large img,
.download-btn-bottom 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;
    height: 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;
}

.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 20px;
    gap: 10px;
    font-size: 60px;
}

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

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

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

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

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

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

.footer {
    margin-bottom: 40px;
    text-align: center;
    font-size: 16px;
    color: #BFBEBE;
}

.footer p {
    font-size: 16px;
    color: #BFBEBE;
    margin: 8px 0;
}

.footer a {
    color: #999;
    margin: 0 8px;
}

.footer a:hover {
    color: #0754BA;
}

.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-section {
    padding: 10px 0 40px;
    text-align: left;
}

.faq-list {
    padding-top: 25px;
    max-width: 1200px;
    width: 62.5%;
    min-width: 320px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.faq-item {
    background: #fff;
    border-radius: 10px;
    padding: 22px 26px;
    border: 1px solid #E8E8E8;
    transition: all 0.3s ease;
    text-align: left;
}

.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 12px 0;
    line-height: 28px;
    text-align: left;
}

.faq-answer {
    font-size: 16px;
    color: #5E5E5E !important;
    line-height: 28px;
    margin: 0 !important;
    text-align: left !important;
}

.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-top: 12px;
    margin-bottom: 0 !important;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-16px); }
}

/* 内页通用 */
.page-wrap {
    max-width: 1200px;
    margin: 100px auto 60px;
    padding: 0 20px;
}

.page-wrap h1 {
    font-size: 36px;
    color: #133C8A;
    margin-bottom: 16px;
}

.page-lead {
    font-size: 18px;
    color: #555;
    line-height: 1.7;
    margin-bottom: 32px;
}

.article-card-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 40px 0;
}

.article-card {
    border: 1px solid #EEEEEE;
    background: #fafafa;
    padding: 24px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.article-card h3 {
    font-size: 20px;
    color: #2C3E50;
    margin-bottom: 12px;
    line-height: 1.4;
}

.article-card h3 a {
    color: inherit;
}

.article-card h3 a:hover {
    color: #0754BA;
}

.article-card .meta {
    font-size: 13px;
    color: #999;
    margin-bottom: 12px;
}

.article-card p {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
}

.article-body {
    font-size: 17px;
    color: #333;
    line-height: 1.9;
}

.article-body h2 {
    font-size: 24px;
    color: #133C8A;
    margin: 32px 0 14px;
}

.article-body p {
    margin-bottom: 16px;
}

.article-body ul {
    margin: 0 0 16px 22px;
}

.article-body li {
    margin-bottom: 8px;
}

.dl-panel {
    background: linear-gradient(180deg, #4F52C1 0%, #3E40A7 100%);
    color: #fff;
    padding: 48px 40px;
    border-radius: 12px;
    margin-bottom: 40px;
}

.dl-panel h1 {
    color: #fff;
    margin-bottom: 12px;
}

.dl-panel p {
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 24px;
}

.dl-meta {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    margin-bottom: 28px;
    font-size: 15px;
}

.dl-meta span {
    background: rgba(255, 255, 255, 0.12);
    padding: 8px 14px;
    border-radius: 6px;
}

.breadcrumb {
    font-size: 14px;
    color: #888;
    margin-bottom: 20px;
}

.breadcrumb a {
    color: #0754BA;
}

@media (max-width: 1400px) {
    .header,
    .f-list,
    .h-area {
        min-width: 0;
        width: 92%;
    }

    .header {
        position: relative;
        left: 0;
        transform: none;
    }

    .nav-links {
        flex-wrap: wrap;
        padding: 10px 0;
    }

    .logo-item {
        width: auto;
        min-width: 0;
    }

    .nav-links .a-list {
        min-width: 0;
        width: auto;
        flex: 1;
        padding-right: 20px;
    }

    .main-content {
        flex-direction: column;
        padding: 80px 20px 60px;
    }

    .right-area-main {
        width: 100%;
        max-width: 657px;
    }

    .article-card-list {
        grid-template-columns: 1fr;
    }

    .f-list {
        grid-template-columns: 1fr;
    }

    .bottom-download h2 {
        font-size: 36px;
        flex-wrap: wrap;
    }
}