* {
    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: #1a2b42;
    background: #ffffff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img {
    display: block;
    max-width: 100%;
}
a {
    color: inherit;
    text-decoration: none;
}
.tyui {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 顶栏 */
.qwer {
    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 #e3f0ff;
}
.qwer .tyui {
    height: 68px;
    display: flex;
    align-items: center;
    gap: 22px;
}
.ghjk {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 800;
    color: #1a2b42;
}
.ghjk img {
    width: 38px;
    height: 38px;
    border-radius: 11px;
    object-fit: cover;
    box-shadow: 0 4px 12px rgba(30, 136, 229, 0.25);
}
.fghj {
    display: flex;
    gap: 22px;
    margin-left: 8px;
}
.fghj a {
    font-size: 15px;
    color: #5a6b82;
    transition: color 0.2s;
}
.fghj a:hover {
    color: #1e88e5;
}
.bnmp {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px;
    border-radius: 999px;
    background: #1e88e5;
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 8px 18px -6px rgba(30, 136, 229, 0.55);
    transition: background 0.2s, transform 0.2s;
}
.bnmp:hover {
    background: #1565c0;
    transform: translateY(-1px);
}
.zxcv {
    display: none;
    margin-left: auto;
    border: none;
    background: none;
    font-size: 24px;
    color: #1a2b42;
    cursor: pointer;
    padding: 4px;
}

/* Hero 白底亮蓝 + 吉祥物 */
.rtyu {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #eaf4ff 0%, #ffffff 100%);
    padding: 70px 0 92px;
}
.rtyu::before {
    content: "";
    position: absolute;
    top: -100px;
    right: -120px;
    width: 460px;
    height: 460px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(30, 136, 229, 0.18) 0%, transparent 70%);
}
.rtyu::after {
    content: "";
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(165, 230, 216, 0.5) 0%, transparent 70%);
}
.rtyu .tyui {
    position: relative;
    z-index: 2;
}
.rtyu .ldwx {
    display: flex;
    align-items: center;
    gap: 56px;
}
.vsdn {
    flex: 1;
}
.vtg {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 16px;
    border-radius: 999px;
    background: #e3f2fd;
    color: #1565c0;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 20px;
}
.vsdn h1 {
    font-size: 46px;
    line-height: 1.22;
    font-weight: 900;
    letter-spacing: -1px;
    color: #0d1b2a;
}
.vhlt {
    background: linear-gradient(120deg, #1e88e5, #42a5f5);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.vds {
    margin-top: 18px;
    max-width: 520px;
    font-size: 16px;
    color: #5a6b82;
}
.vcta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 32px;
    padding: 16px 38px;
    border-radius: 14px;
    background: linear-gradient(135deg, #1e88e5, #42a5f5);
    color: #fff;
    font-size: 17px;
    font-weight: 800;
    box-shadow: 0 16px 32px -10px rgba(30, 136, 229, 0.55);
    transition: transform 0.2s, box-shadow 0.2s;
}
.vcta:hover {
    transform: translateY(-2px);
    box-shadow: 0 22px 40px -10px rgba(30, 136, 229, 0.65);
}
.vdt {
    margin-top: 40px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}
.vd {
    min-width: 96px;
    padding: 13px 16px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid #e3f0ff;
    box-shadow: 0 6px 16px -8px rgba(30, 136, 229, 0.2);
}
.vd strong {
    display: block;
    font-size: 22px;
    font-weight: 900;
    color: #1e88e5;
}
.vd span {
    font-size: 12px;
    color: #7a8aa0;
}

.hqol {
    flex: 1;
    display: flex;
    justify-content: center;
}
.masc {
    position: relative;
    width: 100%;
    max-width: 420px;
}
.glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(66, 165, 245, 0.35) 0%, rgba(165, 230, 216, 0.2) 50%, transparent 72%);
    filter: blur(10px);
}
.masc img {
    position: relative;
    width: 100%;
    z-index: 2;
}
.chip {
    position: absolute;
    z-index: 3;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 15px;
    border-radius: 14px;
    background: #fff;
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 12px 26px -10px rgba(13, 27, 42, 0.35);
}
.chip i {
    font-size: 17px;
}
.ca {
    top: 18%;
    right: -6px;
    color: #1565c0;
}
.ca i {
    color: #1e88e5;
}
.cb {
    top: 48%;
    left: -10px;
    color: #d81b60;
}
.cb i {
    color: #ff4d6d;
}
.cc {
    bottom: 12%;
    right: 6%;
    color: #2e7d32;
}
.cc i {
    color: #43a047;
}

/* 模块标题 */
.mttl {
    text-align: center;
    font-size: 30px;
    font-weight: 900;
    color: #0d1b2a;
    margin-bottom: 42px;
    position: relative;
}
.mttl::after {
    content: "";
    display: block;
    width: 46px;
    height: 4px;
    border-radius: 999px;
    background: linear-gradient(90deg, #1e88e5, #42a5f5);
    margin: 12px auto 0;
}

/* 产品展示 */
.cpzr {
    padding: 84px 0;
    background: #ffffff;
}
.cpgr {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.cpit {
    border-radius: 20px;
    overflow: hidden;
    background: #eaf4ff;
    border: 1px solid #e3f0ff;
    transition: transform 0.25s, box-shadow 0.25s;
}
.cpit:hover {
    transform: translateY(-6px);
    box-shadow: 0 22px 38px -16px rgba(30, 136, 229, 0.35);
}
.cpit img {
    width: 100%;
    aspect-ratio: 9 / 16;
    object-fit: cover;
    background: #fff;
}
.cpit figcaption {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 13px 10px;
    font-size: 14px;
    font-weight: 600;
    color: #5a6b82;
}
.cpit figcaption i {
    color: #1e88e5;
    font-size: 17px;
}

/* 优势亮点 */
.yszr {
    padding: 84px 0;
    background: #f5faff;
}
.ysgr {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.ysit {
    position: relative;
    padding: 32px 26px;
    border-radius: 18px;
    background: #fff;
    border: 1px solid #e3f0ff;
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.ysit:hover {
    transform: translateY(-5px);
    border-color: #42a5f5;
    box-shadow: 0 22px 40px -18px rgba(30, 136, 229, 0.3);
}
.ysic {
    width: 54px;
    height: 54px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: #fff;
    margin-bottom: 18px;
}
.ya { background: #1e88e5; }
.yb { background: #ff4d6d; }
.yc { background: #43a047; }
.yd { background: #8e24aa; }
.ye { background: #fb8c00; }
.yf { background: #00acc1; }
.ysit strong {
    display: block;
    font-size: 18px;
    color: #0d1b2a;
    margin-bottom: 8px;
}
.ysit p {
    font-size: 14px;
    color: #5a6b82;
}

/* 下载中心 */
.xzzr {
    padding: 84px 0;
    background: #ffffff;
}
.xzgr {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.xzit {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 30px 26px;
    border-radius: 18px;
    background: #f5faff;
    border: 2px solid #e3f0ff;
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.xzit:hover {
    transform: translateY(-5px);
    border-color: #1e88e5;
    box-shadow: 0 22px 40px -18px rgba(30, 136, 229, 0.35);
}
.xzic {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #1e88e5;
    background: #e3f2fd;
    margin-bottom: 12px;
}
.xzit strong {
    font-size: 17px;
    color: #0d1b2a;
}
.xzit span {
    font-size: 13px;
    color: #7a8aa0;
}
.xzit em {
    margin-top: 16px;
    align-self: flex-start;
    font-style: normal;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, #1e88e5, #42a5f5);
    padding: 8px 22px;
    border-radius: 999px;
}

/* 使用流程 */
.lczr {
    padding: 84px 0;
    background: #f5faff;
}
.lcgr {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    position: relative;
}
.lcit {
    position: relative;
    text-align: center;
    padding-top: 6px;
}
.lcit::before {
    content: "";
    position: absolute;
    top: 31px;
    left: calc(50% + 34px);
    right: calc(-50% + 34px);
    height: 2px;
    background: linear-gradient(90deg, #42a5f5, #e3f0ff);
    z-index: 0;
}
.lcit:last-child::before {
    display: none;
}
.lcnm {
    position: relative;
    z-index: 1;
    width: 52px;
    height: 52px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1e88e5, #42a5f5);
    border: 6px solid #f5faff;
    color: #fff;
    font-size: 20px;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 22px -6px rgba(30, 136, 229, 0.5);
}
.lcit strong {
    display: block;
    font-size: 17px;
    color: #0d1b2a;
    margin-bottom: 8px;
}
.lcit p {
    font-size: 13px;
    color: #5a6b82;
    padding: 0 6px;
}

/* 常见问题 */
.cjzr {
    padding: 84px 0;
    background: #ffffff;
}
.cjgr {
    max-width: 900px;
    margin: 0 auto;
}
.cjit {
    margin-bottom: 14px;
    border-radius: 14px;
    background: #f5faff;
    border: 1px solid #e3f0ff;
    overflow: hidden;
}
.cjq {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    color: #0d1b2a;
}
.cjq i {
    flex-shrink: 0;
    font-size: 24px;
    color: #1e88e5;
    transition: transform 0.3s;
}
.cjit.open .cjq i {
    transform: rotate(45deg);
}
.cja {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}
.cja p {
    padding: 0 24px 20px;
    font-size: 14px;
    color: #5a6b82;
}
.cjit.open .cja {
    max-height: 220px;
}

/* 产品资讯 */
.zxzr {
    padding: 84px 0;
    background: #f5faff;
}
.zxgr {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}
.zxit {
    display: flex;
    border-radius: 18px;
    overflow: hidden;
    background: #fff;
    border: 1px solid #e3f0ff;
    transition: transform 0.25s, box-shadow 0.25s;
}
.zxit:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 36px -18px rgba(30, 136, 229, 0.3);
}
.zximg {
    width: 168px;
    height: 120px;
    flex-shrink: 0;
    overflow: hidden;
    border-radius: 12px;
}
.zximg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s;
}
.zxit:hover .zximg img {
    transform: scale(1.05);
}
.zxct {
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
}
.zxct strong {
    font-size: 16px;
    color: #0d1b2a;
    line-height: 1.5;
}
.zxct p {
    margin-top: 8px;
    font-size: 13px;
    color: #5a6b82;
    flex: 1;
}
.zxct span {
    margin-top: 10px;
    font-size: 12px;
    color: #97a6ba;
}

/* 用户评价 */
.pjzr {
    padding: 84px 0;
    background: #ffffff;
}
.pjgr {
    column-count: 3;
    column-gap: 20px;
}
.pjit {
    break-inside: avoid;
    margin-bottom: 20px;
    padding: 24px 22px;
    border-radius: 16px;
    background: #f5faff;
    border: 1px solid #e3f0ff;
}
.pjhd {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}
.pjhd i {
    font-size: 20px;
    color: #1e88e5;
}
.pjhd span {
    font-size: 14px;
    font-weight: 700;
    color: #0d1b2a;
}
.pjhd em {
    margin-left: auto;
    font-style: normal;
    font-size: 12px;
    color: #97a6ba;
}
.pjit p {
    font-size: 14px;
    color: #4a5a70;
    line-height: 1.75;
}

/* 页脚 */
.ftrr {
    padding: 44px 0;
    background: #0d1b2a;
}
.ftrr .tyui {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}
.ftrr .ghjk {
    color: #fff;
}
.ftrr .fghj {
    margin-left: auto;
    flex-wrap: wrap;
}
.ftrr .fghj a {
    color: #a9b8cc;
    font-size: 14px;
}
.ftrr .fghj a:hover {
    color: #42a5f5;
}

/* 移动端 */
@media (max-width: 767px) {
    .qwer .tyui {
        height: 58px;
        gap: 12px;
    }
    .ghjk {
        font-size: 16px;
    }
    .ghjk img {
        width: 32px;
        height: 32px;
    }
    .fghj {
        display: none;
        position: fixed;
        top: 58px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 14px;
        margin-left: 0;
        padding: 16px 20px;
        background: #fff;
        border-bottom: 1px solid #e3f0ff;
        box-shadow: 0 12px 24px rgba(13, 27, 42, 0.1);
        z-index: 99;
    }
    .fghj.open {
        display: flex;
    }
    .qwer .bnmp {
        display: none;
    }
    .zxcv {
        display: block;
    }
    .rtyu {
        padding: 40px 0 54px;
    }
    .rtyu .ldwx {
        flex-direction: column-reverse;
        gap: 34px;
    }
    .masc {
        max-width: 260px;
    }
    .glow {
        width: 220px;
        height: 220px;
    }
    .chip {
        padding: 7px 12px;
        font-size: 11px;
        border-radius: 11px;
    }
    .chip i {
        font-size: 14px;
    }
    .ca { top: 10%; right: -4px; }
    .cb { top: 42%; left: -6px; }
    .cc { bottom: 8%; right: 2%; }
    .vsdn h1 {
        font-size: 29px;
    }
    .vds {
        font-size: 15px;
    }
    .vcta {
        width: 100%;
        justify-content: center;
    }
    .vdt {
        gap: 10px;
    }
    .vd {
        min-width: calc(50% - 5px);
        padding: 10px 14px;
    }
    .mttl {
        font-size: 24px;
        margin-bottom: 28px;
    }
    .cpzr, .yszr, .xzzr, .lczr, .cjzr, .zxzr, .pjzr {
        padding: 52px 0;
    }
    .cpgr {
        display: flex;
        overflow-x: auto;
        gap: 14px;
        padding-bottom: 10px;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }
    .cpit {
        flex: 0 0 68%;
        scroll-snap-align: start;
    }
    .ysgr {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .xzgr {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .lcgr {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .lcit {
        display: flex;
        align-items: flex-start;
        text-align: left;
        gap: 16px;
        padding-bottom: 26px;
    }
    .lcit::before {
        top: 26px;
        left: 25px;
        right: auto;
        width: 2px;
        height: calc(100% - 40px);
        background: linear-gradient(180deg, #42a5f5, #e3f0ff);
    }
    .lcnm {
        margin: 0;
        flex-shrink: 0;
    }
    .zxgr {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .zximg {
        width: 128px;
        height: 96px;
    }
    .zxct {
        padding: 14px 16px;
    }
    .zxct p {
        display: none;
    }
    .pjgr {
        column-count: 1;
    }
    .ftrr .fghj {
        margin-left: 0;
        gap: 14px;
    }
}
