* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: #1a1a1a;
    background: #f5f7fa;
    line-height: 1.65;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

.mrxw {
    width: 1200px;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Header 亮蓝顶栏（图集色） ===== */
.kqzx {
    position: sticky;
    top: 0;
    z-index: 100;
    background: linear-gradient(135deg, #1e88ff 0%, #1677ff 100%);
    box-shadow: 0 4px 18px rgba(30, 136, 255, 0.28);
}
.kqzx .mrxw {
    display: flex;
    align-items: center;
    height: 70px;
    gap: 20px;
}
.puxr {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 20px;
    color: #fff;
}
.puxr img { width: 38px; height: 38px; border-radius: 9px; box-shadow: 0 4px 12px rgba(7, 84, 181, 0.3); }
.vtgy {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-left: auto;
}
.vtgy a {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.88);
    font-weight: 500;
    transition: color 0.2s;
}
.vtgy a:hover { color: #fff; }
.hqan {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #fff;
    color: #1e88ff;
    padding: 9px 22px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 6px 16px rgba(7, 84, 181, 0.25);
    transition: transform 0.2s;
}
.hqan:hover { transform: translateY(-2px); }
.tbrw {
    display: none;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 10px;
    width: 40px;
    height: 40px;
    font-size: 22px;
    color: #fff;
    cursor: pointer;
}

/* ===== 模块标题 ===== */
.uvcw {
    text-align: center;
    font-size: 31px;
    font-weight: 900;
    color: #1a1a1a;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 16px;
}
.uvcw::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 56px;
    height: 4px;
    border-radius: 4px;
    background: linear-gradient(90deg, #1e88ff, #ff7d20);
}

/* ===== Hero 居中 ===== */
.wlpf {
    padding: 66px 0 90px;
    background:
        radial-gradient(circle at 50% 100%, rgba(30, 136, 255, 0.12), transparent 55%),
        radial-gradient(circle at 8% 12%, rgba(255, 125, 32, 0.07), transparent 40%),
        radial-gradient(circle at 92% 12%, rgba(245, 72, 63, 0.06), transparent 40%),
        #f5f7fa;
}
.wlpf .ldwx {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.vsdn { text-align: center; max-width: 760px; margin: 0 auto; }
.nwrp {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: #e8f3ff;
    border: 1px solid rgba(30, 136, 255, 0.25);
    color: #1e88ff;
    font-size: 13px;
    font-weight: 600;
    padding: 7px 18px;
    border-radius: 999px;
    margin-bottom: 22px;
}
.vsdn h1 {
    font-size: 48px;
    line-height: 1.22;
    font-weight: 900;
    color: #1a1a1a;
    margin-bottom: 18px;
    letter-spacing: -1px;
}
.qzvy {
    background: linear-gradient(135deg, #1e88ff, #4ba3ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.kplm {
    font-size: 17px;
    color: #5c6672;
    margin-bottom: 28px;
}
.ankz {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 34px;
}
.lxsr {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: linear-gradient(135deg, #1e88ff, #1677ff);
    color: #fff;
    padding: 14px 34px;
    border-radius: 999px;
    font-size: 16.5px;
    font-weight: 800;
    box-shadow: 0 12px 26px rgba(30, 136, 255, 0.35);
    transition: transform 0.2s, box-shadow 0.2s;
}
.lxsr:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(30, 136, 255, 0.45); }
.cikan {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #fff;
    color: #1e88ff;
    border: 1.5px solid #1e88ff;
    padding: 12.5px 28px;
    border-radius: 999px;
    font-size: 15.5px;
    font-weight: 700;
    transition: background 0.2s;
}
.cikan:hover { background: #e8f3ff; }
.shuju {
    display: flex;
    justify-content: center;
    gap: 0;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(26, 26, 26, 0.07);
    border: 1px solid #eef1f5;
    padding: 20px 10px;
    max-width: 680px;
    margin: 0 auto;
}
.sjkz {
    flex: 1;
    padding: 0 16px;
    border-right: 1px solid #eef1f5;
}
.sjkz:last-child { border-right: none; }
.sjkz strong {
    display: block;
    font-size: 24px;
    font-weight: 900;
    color: #1e88ff;
    line-height: 1.2;
}
.sjkz span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: #8a929e;
}
.sjkz i { color: #ff7d20; }

.hqol {
    position: relative;
    width: 300px;
    margin: 56px auto 0;
}
.rpyc {
    position: relative;
    border-radius: 34px;
    padding: 12px;
    background: linear-gradient(160deg, #1e88ff, #0a5fd1);
    box-shadow:
        0 40px 70px rgba(30, 136, 255, 0.4),
        inset 0 2px 4px rgba(255, 255, 255, 0.35);
}
.rpyc img {
    width: 100%;
    border-radius: 24px;
    display: block;
}
.tousq {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    z-index: 2;
}
.jindt {
    position: absolute;
    left: 26px;
    right: 26px;
    bottom: 22px;
    height: 4px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.3);
    overflow: hidden;
    z-index: 2;
}
.jindt::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 42%;
    border-radius: 4px;
    background: #f5b942;
}
.bqq1, .bqq2, .bqq3 {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 6px;
    background: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 9px 15px;
    border-radius: 999px;
    box-shadow: 0 12px 26px rgba(26, 26, 26, 0.16);
    white-space: nowrap;
}
.bqq1 i { color: #f5483f; font-size: 16px; }
.bqq2 i { color: #1e88ff; font-size: 16px; }
.bqq3 i { color: #ff7d20; font-size: 16px; }
.bqq1 { top: 60px; left: -78px; }
.bqq2 { bottom: 110px; left: -92px; }
.bqq3 { top: 90px; right: -78px; }

/* ===== 产品展示：4 张图 PC 一行 4 张，移动端横滑 ===== */
.rbcw { padding: 80px 0; background: #fff; }
.tlbx {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.tpk {
    background: #f8fafd;
    border: 1px solid #eef1f5;
    border-radius: 16px;
    overflow: hidden;
    transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.tpk:hover { border-color: rgba(30, 136, 255, 0.4); transform: translateY(-5px); box-shadow: 0 16px 34px rgba(30, 136, 255, 0.13); }
.fmk {
    background: #eef3f9;
    overflow: hidden;
}
.fmk img { width: 100%; aspect-ratio: 9 / 16; object-fit: cover; object-position: top; }
.mzm {
    text-align: center;
    font-size: 15px;
    font-weight: 700;
    color: #1a1a1a;
    padding: 14px 8px;
}

/* ===== 优势：6 个 PC 一行 3 个 × 2 行 ===== */
.jvxe { padding: 80px 0; }
.yslb {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.ysk {
    background: #fff;
    border: 1px solid #eef1f5;
    border-radius: 18px;
    padding: 28px 24px;
    box-shadow: 0 8px 22px rgba(26, 26, 26, 0.06);
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.ysk:hover { transform: translateY(-5px); border-color: rgba(30, 136, 255, 0.35); box-shadow: 0 18px 36px rgba(30, 136, 255, 0.12); }
.pxlc {
    width: 52px;
    height: 52px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 25px;
    margin-bottom: 14px;
}
.ysk:nth-child(1) .pxlc { background: #e8f3ff; color: #1e88ff; }
.ysk:nth-child(2) .pxlc { background: #fff2e8; color: #ff7d20; }
.ysk:nth-child(3) .pxlc { background: #eafbf1; color: #21c064; }
.ysk:nth-child(4) .pxlc { background: #fdeaea; color: #f5483f; }
.ysk:nth-child(5) .pxlc { background: #fff7e0; color: #f0a020; }
.ysk:nth-child(6) .pxlc { background: #f0e8ff; color: #7c5cff; }
.qvnm { font-size: 19px; font-weight: 800; color: #1a1a1a; margin-bottom: 7px; }
.ysk p { font-size: 14.5px; color: #6b7480; }

/* ===== 下载中心：6 卡 PC 一行 3 个 × 2 行 ===== */
.kqsd {
    padding: 80px 0;
    background:
        radial-gradient(circle at 12% 20%, rgba(30, 136, 255, 0.08), transparent 40%),
        #eef3f9;
    border-top: 1px solid #e4eaf2;
    border-bottom: 1px solid #e4eaf2;
}
.pnvx {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.lzcm {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #fff;
    border: 1px solid #e4eaf2;
    border-radius: 16px;
    padding: 24px 22px;
    box-shadow: 0 8px 22px rgba(30, 84, 150, 0.08);
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.lzcm:hover {
    transform: translateY(-5px);
    border-color: #1e88ff;
    box-shadow: 0 18px 36px rgba(30, 136, 255, 0.18);
}
.pxrc {
    flex: 0 0 48px;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, #1e88ff, #4ba3ff);
    color: #fff;
    font-size: 17px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 18px rgba(30, 136, 255, 0.3);
}
.vnqz { flex: 1; font-size: 15px; font-weight: 700; color: #1a1a1a; line-height: 1.4; }
.kwmr { font-size: 24px; color: #1e88ff; flex-shrink: 0; }

/* ===== 使用流程：横向时间轴 ===== */
.vbdr { padding: 80px 0; background: #fff; }
.sjzhou {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding-top: 30px;
}
.sjzhou .line {
    position: absolute;
    top: 56px;
    left: 12.5%;
    right: 12.5%;
    height: 3px;
    background: linear-gradient(90deg, #1e88ff, #ff7d20, #21c064, #f5483f);
    border-radius: 3px;
    z-index: 0;
}
.buzk {
    position: relative;
    text-align: center;
    z-index: 1;
}
.buzh {
    width: 56px;
    height: 56px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1e88ff, #1677ff);
    color: #fff;
    font-size: 18px;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 22px rgba(30, 136, 255, 0.35);
    border: 4px solid #fff;
}
.buzk:nth-child(3) .buzh { background: linear-gradient(135deg, #ff9a3d, #ff7d20); box-shadow: 0 10px 22px rgba(255, 125, 32, 0.35); }
.buzk:nth-child(4) .buzh { background: linear-gradient(135deg, #2fd97a, #21c064); box-shadow: 0 10px 22px rgba(33, 192, 100, 0.35); }
.buzk:nth-child(5) .buzh { background: linear-gradient(135deg, #ff6b62, #f5483f); box-shadow: 0 10px 22px rgba(245, 72, 63, 0.35); }
.buzk .qvnm { margin-bottom: 6px; font-size: 18px; }
.buzk p { font-size: 14px; color: #6b7480; }

/* ===== FAQ：一行一个手风琴 ===== */
.mqzf { padding: 80px 0; }
.urty {
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-width: 880px;
    margin: 0 auto;
}
.vbws {
    background: #fff;
    border: 1px solid #eef1f5;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(26, 26, 26, 0.05);
    transition: border-color 0.25s, box-shadow 0.25s;
}
.vbws.open { border-color: #1e88ff; box-shadow: 0 12px 28px rgba(30, 136, 255, 0.13); }
.kqwn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 22px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    color: #1a1a1a;
}
.kqwn > span:first-child { flex: 1; }
.kqwn > i {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: #e8f3ff;
    color: #1e88ff;
    font-size: 19px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s;
}
.vbws.open .kqwn > i { transform: rotate(45deg); }
.rpyl {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.rpyl p { padding: 0 22px 20px; font-size: 15px; color: #6b7480; }

/* ===== 资讯：PC 一行 2 条 ===== */
.xlkc { padding: 80px 0; background: #fff; }
.qwnb {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.rpyo {
    background: #f8fafd;
    border: 1px solid #eef1f5;
    border-radius: 18px;
    padding: 24px 24px 20px;
    transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
    display: flex;
    flex-direction: column;
}
.rpyo:hover { border-color: rgba(30, 136, 255, 0.4); transform: translateY(-5px); box-shadow: 0 16px 34px rgba(30, 136, 255, 0.12); }
.mzlb {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    align-self: flex-start;
    background: #e8f3ff;
    color: #1e88ff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 13px;
}
.rpyo .qvnm { font-size: 18px; margin-bottom: 8px; }
.rpyo p { font-size: 14.5px; color: #6b7480; flex: 1; }
.ydqy {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 14px;
    font-size: 13.5px;
    font-weight: 700;
    color: #ff7d20;
}

/* ===== 评价：PC 一行 3 个 瀑布流 ===== */
.ztms { padding: 80px 0; }
.wkpr {
    column-count: 3;
    column-gap: 20px;
}
.lvqx {
    break-inside: avoid;
    margin-bottom: 20px;
    background: #fff;
    border: 1px solid #eef1f5;
    border-radius: 18px;
    padding: 24px 26px 20px;
    box-shadow: 0 8px 22px rgba(26, 26, 26, 0.06);
    transition: border-color 0.25s, transform 0.25s;
}
.lvqx:hover { border-color: rgba(30, 136, 255, 0.35); transform: translateY(-4px); }
.touxiang { display: flex; align-items: center; gap: 11px; margin-bottom: 14px; }
.touxiang img { width: 42px; height: 42px; border-radius: 11px; }
.bnme { font-size: 15px; font-weight: 800; color: #1a1a1a; }
.xingx i { color: #ffb400; font-size: 14px; }
.pinglun {
    margin-left: auto;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #e8f3ff;
    color: #1e88ff;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.lvqx p { font-size: 14.5px; color: #3a424d; margin-bottom: 14px; }
.kply { font-size: 12.5px; color: #b0b7c0; border-top: 1px solid #f0f3f7; padding-top: 12px; }

/* ===== Footer ===== */
.bnsc {
    background: linear-gradient(135deg, #1677ff 0%, #0a5fd1 100%);
    color: rgba(255, 255, 255, 0.85);
    padding: 52px 0 24px;
}
.bnsc .mrxw {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
    padding-bottom: 26px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}
.wvxr { flex: 1; min-width: 240px; }
.bnsc .puxr { color: #fff; }
.bnsc .puxr img { width: 42px; height: 42px; }
.xrkq { font-size: 14px; color: rgba(255, 255, 255, 0.7); margin-top: 12px; max-width: 360px; }
.bnsc .vtgy { margin: 0; flex-wrap: wrap; }
.bnsc .vtgy a { color: rgba(255, 255, 255, 0.85); font-size: 14px; }
.bnsc .vtgy a:hover { color: #fff; }
.kvnz { text-align: center; font-size: 13px; color: rgba(255, 255, 255, 0.6); padding-top: 22px; }

/* ===== Mobile ===== */
@media (max-width: 767px) {
    .vtgy { display: none; }
    .hqan { display: none; }
    .tbrw { display: block; margin-left: auto; }
    .vtgy.open {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        position: fixed;
        top: 70px;
        right: 0;
        width: 76%;
        max-width: 290px;
        height: calc(100vh - 70px);
        background: #fff;
        padding: 22px 20px;
        gap: 14px;
        box-shadow: -8px 0 30px rgba(26, 26, 26, 0.15);
        z-index: 99;
        overflow-y: auto;
    }
    .vtgy.open a { font-size: 16px; color: #1a1a1a; padding: 10px 0; border-bottom: 1px solid #f0f3f7; width: 100%; }

    .uvcw { font-size: 25px; margin-bottom: 30px; }

    .wlpf { padding: 42px 0 56px; }
    .vsdn h1 { font-size: 31px; }
    .kplm { font-size: 15px; }
    .ankz { flex-direction: column; gap: 12px; }
    .lxsr, .cikan { justify-content: center; width: 100%; }
    .shuju { flex-wrap: wrap; padding: 16px 8px; gap: 14px 0; }
    .sjkz { flex: 0 0 50%; border-right: none; padding: 0 8px; }
    .sjkz:nth-child(odd) { border-right: 1px solid #eef1f5; }
    .sjkz strong { font-size: 20px; }
    .hqol { width: 240px; margin-top: 44px; }
    .bqq1 { left: -60px; top: 40px; padding: 7px 12px; font-size: 12px; }
    .bqq2 { left: -70px; bottom: 80px; padding: 7px 12px; font-size: 12px; }
    .bqq3 { right: -56px; top: 60px; padding: 7px 12px; font-size: 12px; }

    .rbcw, .jvxe, .kqsd, .vbdr, .mqzf, .xlkc, .ztms { padding: 54px 0; }

    .tlbx {
        grid-template-columns: none;
        grid-auto-flow: column;
        grid-auto-columns: 70%;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        gap: 14px;
        margin: 0 -20px;
        padding: 0 20px 12px;
    }
    .tlbx::-webkit-scrollbar { display: none; }
    .tpk { scroll-snap-align: start; }
    .fmk img { aspect-ratio: 3 / 4; }

    .yslb { grid-template-columns: 1fr; }
    .pnvx { grid-template-columns: 1fr; }
    .sjzhou {
        grid-template-columns: 1fr;
        gap: 30px;
        padding-top: 0;
    }
    .sjzhou .line { display: none; }
    .qwnb { grid-template-columns: 1fr; }
    .wkpr { column-count: 1; }

    .bnsc .mrxw { flex-direction: column; align-items: flex-start; }
    .bnsc .hqan { display: inline-flex; width: 100%; justify-content: center; }
}