* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: #1f1f1f;
    background: #ffffff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img {
    display: block;
    max-width: 100%;
}
a {
    color: inherit;
    text-decoration: none;
}
.omtz {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 顶栏 */
.qoxn {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.96);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #efe6dd;
}
.qoxn .omtz {
    display: flex;
    align-items: center;
    height: 68px;
    gap: 24px;
}
.wzpk {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 20px;
    color: #1f1f1f;
}
.wzpk img {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    object-fit: cover;
}
.rjvg {
    display: flex;
    gap: 26px;
    margin-left: 12px;
}
.rjvg a {
    font-size: 15px;
    color: #5e5e5e;
    transition: color 0.2s;
}
.rjvg a:hover {
    color: #ff6b35;
}
.knrt {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #ff6b35;
    color: #fff;
    padding: 10px 22px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    transition: background 0.2s, transform 0.2s;
}
.knrt:hover {
    background: #e8492a;
    transform: translateY(-1px);
}
.bnvg {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: #1f1f1f;
    cursor: pointer;
    padding: 4px;
}

/* 功能色 */
.zqnm { background: #ff4d6d; }
.xkpr { background: #ffb84d; }
.vlmw { background: #4a90e2; }
.ynbh { background: #9b59b6; }
.bjor { background: #ff6b35; }
.kprv { background: #e8492a; }

/* Hero */
.wlpf {
    background: radial-gradient(circle at 82% 18%, rgba(255, 107, 53, 0.12) 0%, transparent 55%),
                radial-gradient(circle at 8% 85%, rgba(255, 184, 77, 0.12) 0%, transparent 55%),
                #fff9f3;
    padding: 72px 0 92px;
}
.wlpf .ldwx {
    display: flex;
    align-items: center;
    gap: 50px;
}
.hqol {
    position: relative;
    flex: 1;
    min-height: 500px;
}
.nyub {
    position: relative;
    width: 300px;
    margin: 0 auto;
    border-radius: 34px;
    padding: 14px;
    background: linear-gradient(145deg, #1f1f1f, #3a3a3a);
    box-shadow: 0 32px 60px -22px rgba(255, 107, 53, 0.4), 0 12px 30px rgba(0, 0, 0, 0.16);
    transform: rotate(-3deg);
}
.nyub::before {
    content: "";
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 92px;
    height: 6px;
    background: #0a0a0a;
    border-radius: 999px;
    z-index: 2;
}
.tmxr {
    width: 100%;
    border-radius: 22px;
    display: block;
}
.vqks {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}
.vqks .jrvg {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: #fff;
    width: 82px;
    height: 82px;
    border-radius: 20px;
    font-size: 12px;
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.2);
}
.vqks .jrvg i {
    font-size: 24px;
}
.vqks .jrvg:nth-child(1) { top: 24px; left: -6px; }
.vqks .jrvg:nth-child(2) { top: 70px; right: -24px; }
.vqks .jrvg:nth-child(3) { bottom: 90px; left: -24px; }
.vqks .jrvg:nth-child(4) { bottom: 36px; right: -6px; }

.vsdn {
    flex: 1;
}
.kzrx {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 107, 53, 0.12);
    color: #ff6b35;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 18px;
}
.vsdn h1 {
    font-size: 48px;
    line-height: 1.2;
    color: #1f1f1f;
    font-weight: 800;
    letter-spacing: -1px;
}
.vsdn h1 .bjor {
    color: #ff6b35;
    background: none;
}
.ejsc {
    margin-top: 18px;
    font-size: 16px;
    color: #5e5e5e;
    max-width: 500px;
}
.sxdw {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 32px;
    background: #ff6b35;
    color: #fff;
    padding: 16px 38px;
    border-radius: 14px;
    font-size: 17px;
    font-weight: 700;
    box-shadow: 0 14px 30px -8px rgba(255, 107, 53, 0.55);
    transition: transform 0.2s, box-shadow 0.2s;
}
.sxdw:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 38px -8px rgba(255, 107, 53, 0.65);
}
.dzvx {
    margin-top: 38px;
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}
.pmlc {
    display: flex;
    flex-direction: column;
}
.pmlc strong {
    font-size: 24px;
    color: #1f1f1f;
    font-weight: 800;
}
.pmlc span {
    font-size: 13px;
    color: #9a9a9a;
}

/* 模块标题 */
.tgrd {
    text-align: center;
    font-size: 30px;
    font-weight: 800;
    color: #1f1f1f;
    margin-bottom: 40px;
}

/* 产品展示 */
.qfvl {
    padding: 84px 0;
    background: #fff;
}
.cxtv {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.xuny {
    border-radius: 14px;
    overflow: hidden;
    background: #fff9f3;
    border: 1px solid #efe6dd;
    transition: transform 0.25s, box-shadow 0.25s;
}
.xuny:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 32px -12px rgba(255, 107, 53, 0.28);
}
.xuny img {
    width: 100%;
    aspect-ratio: 9 / 16;
    object-fit: cover;
}
.xuny figcaption {
    padding: 12px 14px;
    font-size: 14px;
    color: #5e5e5e;
    text-align: center;
}

/* 优势亮点 */
.wleb {
    padding: 84px 0;
    background: #fff9f3;
}
.vqbr {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.kqmx {
    background: #fff;
    border: 1px solid #efe6dd;
    border-radius: 16px;
    padding: 30px 26px;
    transition: transform 0.25s, box-shadow 0.25s;
}
.kqmx:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 32px -12px rgba(0, 0, 0, 0.1);
}
.kqmx .jrvg {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 26px;
    margin-bottom: 18px;
}
.kqmx strong {
    display: block;
    font-size: 18px;
    color: #1f1f1f;
    margin-bottom: 8px;
}
.kqmx p {
    font-size: 14px;
    color: #5e5e5e;
}

/* 下载中心 */
.pznq {
    padding: 84px 0;
    background: #1f1f1f;
}
.pznq .tgrd {
    color: #fff;
}
.vbsw {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.vbsw-item {
    position: relative;
    background: #2a2a2a;
    border: 1px solid #3a3a3a;
    border-radius: 16px;
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: transform 0.25s, border-color 0.25s;
}
.vbsw-item:hover {
    transform: translateY(-4px);
    border-color: #ff6b35;
}
.vbsw-item .jrvg {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    margin-bottom: 12px;
}
.vbsw-item strong {
    font-size: 17px;
    color: #fff;
}
.vbsw-item span {
    font-size: 13px;
    color: #9a9a9a;
}
.vbsw-item em {
    margin-top: 16px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: #ff6b35;
    color: #fff;
    padding: 8px 20px;
    border-radius: 999px;
    font-size: 13px;
    font-style: normal;
    font-weight: 600;
    align-self: flex-start;
}

/* 使用流程 */
.cxlm {
    padding: 84px 0;
    background: #fff9f3;
}
.cxlm .omtz {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.wknr {
    position: relative;
    background: #fff;
    border: 1px solid #efe6dd;
    border-radius: 16px;
    padding: 32px 22px;
    text-align: center;
}
.wknr::before {
    content: "";
    position: absolute;
    top: 50%;
    right: -24px;
    width: 24px;
    height: 2px;
    background: linear-gradient(90deg, #ff6b35, rgba(255, 107, 53, 0.1));
    z-index: 1;
}
.wknr:last-child::before {
    display: none;
}
.jqvt {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: #ff6b35;
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    box-shadow: 0 8px 20px -4px rgba(255, 107, 53, 0.55);
}
.wknr strong {
    display: block;
    font-size: 17px;
    color: #1f1f1f;
    margin-bottom: 8px;
}
.wknr p {
    font-size: 13px;
    color: #5e5e5e;
}

/* 常见问题 */
.rkpv {
    padding: 84px 0;
    background: #fff;
}
.mbxo {
    border: 1px solid #efe6dd;
    border-radius: 14px;
    margin-bottom: 14px;
    overflow: hidden;
    background: #fff;
}
.nxqz {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    cursor: pointer;
    font-size: 16px;
    color: #1f1f1f;
    font-weight: 600;
}
.nxqz i {
    transition: transform 0.3s;
    color: #ff6b35;
    font-size: 24px;
}
.mbxo.open .nxqz i {
    transform: rotate(180deg);
}
.lzcd {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}
.lzcd p {
    padding: 0 24px 20px;
    font-size: 14px;
    color: #5e5e5e;
}
.mbxo.open .lzcd {
    max-height: 220px;
}

/* 产品资讯 */
.vmre {
    padding: 84px 0;
    background: #fff9f3;
}
.swkz {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.swkz-item {
    background: #fff;
    border: 1px solid #efe6dd;
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.25s, box-shadow 0.25s;
}
.swkz-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 32px -12px rgba(0, 0, 0, 0.1);
}
.swkz-item img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}
.swkz-item strong {
    display: block;
    padding: 16px 20px 6px;
    font-size: 16px;
    color: #1f1f1f;
    line-height: 1.5;
}
.swkz-item span {
    display: block;
    padding: 0 20px 18px;
    font-size: 13px;
    color: #9a9a9a;
}

/* 用户评价 */
.ljze {
    padding: 84px 0;
    background: #fff;
}
.vnqd {
    column-count: 3;
    column-gap: 20px;
}
.vnqd-item {
    break-inside: avoid;
    margin-bottom: 20px;
    background: #fff9f3;
    border: 1px solid #efe6dd;
    border-radius: 14px;
    padding: 24px 22px;
}
.mkrp {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}
.mkrp i {
    color: #ff6b35;
    font-size: 20px;
}
.mkrp span {
    font-weight: 700;
    color: #1f1f1f;
    font-size: 14px;
}
.mkrp em {
    margin-left: auto;
    font-style: normal;
    font-size: 12px;
    color: #9a9a9a;
}
.vnqd-item p {
    font-size: 14px;
    color: #5e5e5e;
    line-height: 1.7;
}

/* 页脚 */
.pmxb {
    background: #1f1f1f;
    color: #9a9a9a;
    padding: 44px 0;
}
.pmxb .omtz {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}
.pmxb .wzpk {
    color: #fff;
}
.pmxb .rjvg {
    margin-left: auto;
    flex-wrap: wrap;
}
.pmxb .rjvg a {
    color: #9a9a9a;
    font-size: 14px;
}
.pmxb .rjvg a:hover {
    color: #ff6b35;
}

/* 移动端 */
@media (max-width: 767px) {
    .qoxn .omtz {
        height: 58px;
        gap: 12px;
    }
    .wzpk {
        font-size: 18px;
    }
    .wzpk img {
        width: 32px;
        height: 32px;
    }
    .rjvg {
        display: none;
        position: fixed;
        top: 58px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: #fff;
        padding: 16px 20px;
        gap: 14px;
        border-bottom: 1px solid #efe6dd;
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
        z-index: 99;
    }
    .rjvg.open {
        display: flex;
    }
    .qoxn .knrt {
        display: none;
    }
    .bnvg {
        display: block;
        margin-left: auto;
    }
    .wlpf {
        padding: 40px 0 50px;
    }
    .wlpf .ldwx {
        flex-direction: column-reverse;
        gap: 30px;
    }
    .hqol {
        min-height: auto;
    }
    .nyub {
        width: 220px;
        padding: 10px;
        border-radius: 26px;
    }
    .nyub::before {
        top: 14px;
        width: 70px;
    }
    .tmxr {
        border-radius: 18px;
    }
    .vqks .jrvg {
        width: 56px;
        height: 56px;
        font-size: 10px;
        border-radius: 14px;
    }
    .vqks .jrvg i {
        font-size: 18px;
    }
    .vqks .jrvg:nth-child(1) { top: 10px; left: 0; }
    .vqks .jrvg:nth-child(2) { top: 40px; right: 0; }
    .vqks .jrvg:nth-child(3) { bottom: 60px; left: 0; }
    .vqks .jrvg:nth-child(4) { bottom: 10px; right: 0; }
    .vsdn h1 {
        font-size: 30px;
    }
    .ejsc {
        font-size: 15px;
    }
    .sxdw {
        width: 100%;
        justify-content: center;
    }
    .dzvx {
        gap: 18px 30px;
        justify-content: space-between;
    }
    .pmlc strong {
        font-size: 20px;
    }
    .tgrd {
        font-size: 24px;
        margin-bottom: 26px;
    }
    .qfvl, .wleb, .pznq, .cxlm, .rkpv, .vmre, .ljze {
        padding: 52px 0;
    }
    .cxtv {
        display: flex;
        overflow-x: auto;
        gap: 14px;
        scroll-snap-type: x mandatory;
        padding-bottom: 10px;
        -webkit-overflow-scrolling: touch;
    }
    .xuny {
        flex: 0 0 70%;
        scroll-snap-align: start;
    }
    .vqbr {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .vbsw {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .cxlm .omtz {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .wknr {
        display: flex;
        align-items: center;
        text-align: left;
        gap: 18px;
        padding: 22px;
    }
    .wknr::before {
        display: none;
    }
    .jqvt {
        margin: 0;
        flex-shrink: 0;
        width: 46px;
        height: 46px;
        font-size: 18px;
    }
    .wknr strong {
        margin-bottom: 2px;
    }
    .swkz {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .vnqd {
        column-count: 1;
    }
    .pmxb .rjvg {
        margin-left: 0;
        gap: 14px;
    }
}