/* lk美化助手2.5 · 下载落地页（暗色工程台）
   1200px 内容区 · 断点：767px */

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

html {
    scroll-behavior: smooth;
}

body {
    background: #0b0d0f;
    color: #e9eee7;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

button {
    font-family: inherit;
}

.mwrp,
.kwpn {
    width: 1200px;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 24px;
}

/* 头部 */
.xqvb {
    position: sticky;
    top: 0;
    z-index: 40;
    border-bottom: 1px solid #1b2126;
    background: rgba(11, 13, 15, .9);
    backdrop-filter: blur(14px);
}

.kwpn {
    display: flex;
    align-items: center;
    gap: 30px;
    height: 74px;
}

.lgmk {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.icbx {
    width: 34px;
    height: 34px;
    border-radius: 9px;
}

.txnm {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: .4px;
    white-space: nowrap;
}

.txnm em {
    margin-left: 3px;
    padding: 1px 6px;
    border-radius: 4px;
    background: #c6f24e;
    color: #0b0d0f;
    font-size: 12px;
    font-style: normal;
    font-weight: 800;
    vertical-align: 2px;
}

.nvgr {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-left: auto;
}

.nkli {
    position: relative;
    font-size: 14px;
    color: #929da3;
    transition: color .2s ease;
}

.nkli:hover {
    color: #e9eee7;
}

.nkac {
    color: #c6f24e;
}

.nkac::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -6px;
    height: 2px;
    background: #c6f24e;
}

.gtap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    padding: 0 20px;
    border-radius: 7px;
    background: #c6f24e;
    color: #0b0d0f;
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
    transition: box-shadow .2s ease, transform .2s ease;
}

.gtap:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 22px rgba(198, 242, 78, .28);
}

.mntg {
    display: none;
    width: 40px;
    height: 40px;
    border: 1px solid #262d33;
    border-radius: 7px;
    background: transparent;
    color: #e9eee7;
    font-size: 20px;
    cursor: pointer;
}

/* 首屏 */
.hrsq {
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid #1b2126;
}

.hglw {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(198, 242, 78, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(198, 242, 78, .05) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(ellipse at 30% 15%, #000 8%, transparent 70%);
    mask-image: radial-gradient(ellipse at 30% 15%, #000 8%, transparent 70%);
    pointer-events: none;
}

.hrsq::after {
    content: "";
    position: absolute;
    top: -150px;
    right: -90px;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(198, 242, 78, .15), transparent 66%);
    pointer-events: none;
}

.hgrw {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.06fr .94fr;
    align-items: center;
    gap: 50px;
    padding: 94px 0 100px;
}

.tagl {
    display: inline-block;
    padding: 5px 12px;
    border: 1px solid rgba(198, 242, 78, .34);
    border-radius: 5px;
    color: #c6f24e;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 11.5px;
    letter-spacing: 2px;
}

.hcpy h1 {
    margin-top: 24px;
    font-size: 60px;
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -1.6px;
}

.sbtx {
    max-width: 470px;
    margin-top: 22px;
    color: #939ea4;
    font-size: 16.5px;
    line-height: 1.9;
}

.btar {
    margin-top: 36px;
}

.btmn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    height: 56px;
    padding: 0 30px;
    border-radius: 9px;
    background: #c6f24e;
    color: #0b0d0f;
    font-size: 16px;
    font-weight: 700;
    transition: box-shadow .2s ease, transform .2s ease;
}

.btmn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 32px rgba(198, 242, 78, .26);
}

.sttr {
    display: flex;
    gap: 46px;
    margin-top: 46px;
    padding-top: 26px;
    border-top: 1px solid #1e2429;
}

.stnm {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 27px;
    font-weight: 700;
    letter-spacing: -1px;
    color: #fff;
}

.stlb {
    margin-top: 2px;
    color: #737d83;
    font-size: 12.5px;
    letter-spacing: 1.4px;
}

.hvsc {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 16px;
}

.hfrm,
.sfrm {
    border: 1px solid #2a3137;
    border-radius: 16px;
    background: #111518;
    padding: 9px;
    box-shadow: 0 34px 70px rgba(0, 0, 0, .6);
}

.hfrm {
    width: 268px;
    border-color: rgba(198, 242, 78, .28);
}

.sfrm {
    width: 208px;
    margin-top: 62px;
}

.hfrm img,
.sfrm img {
    width: 100%;
    height: auto;
    border-radius: 9px;
}

/* 通用区块 */
.blok {
    padding: 96px 0;
    scroll-margin-top: 88px;
}

.tntb {
    border-top: 1px solid #171c20;
    border-bottom: 1px solid #171c20;
    background: #0d1013;
}

.mtit {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-bottom: 54px;
    text-align: center;
    font-size: 34px;
    font-weight: 800;
    letter-spacing: -.6px;
}

.mnum {
    color: #c6f24e;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 11.5px;
    font-weight: 400;
    letter-spacing: 3px;
}

/* 产品展示 */
.galw {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.gait {
    padding: 12px;
    border: 1px solid #1e2429;
    border-radius: 14px;
    background: #101417;
    transition: border-color .25s ease, transform .25s ease;
}

.gait:hover {
    border-color: rgba(198, 242, 78, .4);
    transform: translateY(-4px);
}

.gimg {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 400px;
    border-radius: 9px;
    background: radial-gradient(circle at 50% 0%, #1a2024, #0d1114 70%);
    overflow: hidden;
}

.gimg img {
    max-height: 100%;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    border-radius: 6px;
}

.gcap {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 14px;
    padding: 0 4px 4px;
    color: #dbe2dc;
    font-size: 14.5px;
    font-weight: 600;
}

.gcap span {
    color: #6d767c;
    font-size: 12.5px;
    font-weight: 400;
}

/* 优势亮点 */
.advg {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0 44px;
}

.advi {
    padding: 30px 0 34px;
    border-top: 1px solid #202730;
}

.adno {
    color: #c6f24e;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 11.5px;
    letter-spacing: 2px;
}

.adtt {
    margin: 12px 0 10px;
    font-size: 19px;
    font-weight: 700;
    letter-spacing: -.2px;
}

.adpp {
    color: #8b959c;
    font-size: 14.5px;
    line-height: 1.85;
}

/* 下载中心 */
.dlls {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.dccd {
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 26px 24px 22px;
    border: 1px solid #1e2429;
    border-radius: 16px;
    background: #101417;
    transition: border-color .25s ease;
}

.dccd:hover {
    border-color: rgba(198, 242, 78, .38);
}

.dcno {
    position: absolute;
    top: 14px;
    right: 20px;
    color: #1c2227;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 44px;
    font-weight: 800;
    line-height: 1;
}

.dcnm {
    position: relative;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.5;
}

.dcmt {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin: 14px 0 24px;
    color: #778088;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 12px;
}

.dcbt {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 46px;
    margin-top: auto;
    padding: 0 16px;
    border: 1px solid #262d33;
    border-radius: 9px;
    background: #171c20;
    color: #dde4de;
    font-size: 13.5px;
    font-weight: 600;
    transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.dcbt i {
    font-size: 16px;
}

.dcbt:hover {
    border-color: #c6f24e;
    background: #c6f24e;
    color: #0b0d0f;
}

/* 使用流程 */
.stps {
    position: relative;
    max-width: 880px;
    margin: 0 auto;
    padding-left: 36px;
}

.stps::before {
    content: "";
    position: absolute;
    left: 9px;
    top: 10px;
    bottom: 14px;
    width: 2px;
    background: linear-gradient(180deg, rgba(198, 242, 78, .7), rgba(198, 242, 78, .06));
}

.stpi {
    position: relative;
    padding-bottom: 38px;
}

.stpi:last-child {
    padding-bottom: 0;
}

.stpd {
    position: absolute;
    left: -36px;
    top: 8px;
    width: 20px;
    height: 20px;
    border: 2px solid #c6f24e;
    border-radius: 50%;
    background: #0b0d0f;
}

.stpn {
    color: #c6f24e;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 11.5px;
    letter-spacing: 2.4px;
}

.stpt {
    margin: 8px 0;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -.2px;
}

.stpp {
    max-width: 660px;
    color: #8b959c;
    font-size: 14.5px;
    line-height: 1.9;
}

/* 常见问题 */
.faql {
    max-width: 920px;
    margin: 0 auto;
    border-top: 1px solid #202730;
}

.fqit {
    border-bottom: 1px solid #202730;
}

.fqhd {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    width: 100%;
    padding: 22px 2px;
    border: 0;
    background: transparent;
    color: #e9eee7;
    font-size: 16.5px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
}

.fqic {
    flex-shrink: 0;
    color: #c6f24e;
    font-size: 19px;
    transition: transform .28s ease;
}

.fqop .fqic {
    transform: rotate(45deg);
}

.fqbd {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
}

.fqpp {
    padding: 0 40px 24px 2px;
    color: #8b959c;
    font-size: 14.5px;
    line-height: 1.95;
}

/* 产品资讯 */
.nwsl {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 52px;
    border-top: 1px solid #202730;
}

.nwit {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 24px 0;
    border-bottom: 1px solid #202730;
}

.nwdt {
    flex-shrink: 0;
    padding-top: 3px;
    color: #6d767c;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 12px;
}

.nwtt {
    color: #c8d0cb;
    font-size: 15px;
    line-height: 1.65;
}

/* 用户评价 */
.rvwg {
    column-count: 3;
    column-gap: 20px;
}

.rvit {
    break-inside: avoid;
    margin-bottom: 20px;
    padding: 24px 22px;
    border: 1px solid #1e2429;
    border-radius: 16px;
    background: #101417;
}

.rvst {
    display: flex;
    gap: 3px;
    color: #c6f24e;
    font-size: 13px;
}

.rvtp {
    margin-top: 14px;
    color: #c2cac5;
    font-size: 14.5px;
    line-height: 1.85;
}

.rvft {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px dashed #232a30;
    color: #6d767c;
    font-size: 12.5px;
}

/* 页脚 */
.ftrn {
    border-top: 1px solid #1b2126;
    background: #08090b;
    padding: 58px 0 30px;
}

.fwpn {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 44px;
    padding-bottom: 44px;
}

.ftxt {
    max-width: 320px;
    margin-top: 16px;
    color: #7b858b;
    font-size: 13.5px;
    line-height: 1.85;
}

.fnav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px 20px;
    align-content: start;
}

.fnav a {
    color: #929da3;
    font-size: 14px;
    transition: color .2s ease;
}

.fnav a:hover {
    color: #c6f24e;
}

.fdtt {
    color: #e9eee7;
    font-size: 15px;
    font-weight: 700;
}

.fdpp {
    margin: 8px 0 18px;
    color: #7b858b;
    font-size: 13px;
}

.fbtn {
    height: 46px;
    padding: 0 22px;
    font-size: 14px;
}

.fcpy {
    padding-top: 24px;
    border-top: 1px solid #171c20;
    color: #5f676d;
    font-size: 12.5px;
}

/* 手机端 */
@media (max-width: 767px) {
    .mwrp,
    .kwpn {
        padding: 0 18px;
    }

    .kwpn {
        gap: 14px;
        height: 64px;
    }

    .txnm {
        font-size: 15px;
    }

    .gtap {
        display: none;
    }

    .mntg {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        margin-left: auto;
    }

    .nvgr {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        padding: 12px 18px 18px;
        border-bottom: 1px solid #1b2126;
        background: #0b0d0f;
    }

    .nvgr.nvop {
        display: flex;
    }

    .nkli {
        padding: 11px 4px;
        border-bottom: 1px solid #151a1e;
        font-size: 15px;
    }

    .nkac::after {
        display: none;
    }

    .hgrw {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 54px 0 62px;
    }

    .hcpy h1 {
        margin-top: 18px;
        font-size: 36px;
        letter-spacing: -1px;
    }

    .sbtx {
        margin-top: 16px;
        font-size: 15px;
        line-height: 1.85;
    }

    .btar {
        margin-top: 26px;
    }

    .btmn {
        width: 100%;
        height: 52px;
        font-size: 15px;
    }

    .sttr {
        gap: 22px;
        margin-top: 32px;
        padding-top: 20px;
    }

    .stnm {
        font-size: 21px;
    }

    .stlb {
        font-size: 11.5px;
        letter-spacing: .6px;
    }

    .hvsc {
        gap: 10px;
    }

    .hfrm {
        width: 56%;
    }

    .sfrm {
        width: 40%;
        margin-top: 34px;
    }

    .blok {
        padding: 64px 0;
        scroll-margin-top: 76px;
    }

    .mtit {
        gap: 9px;
        margin-bottom: 34px;
        font-size: 26px;
    }

    .mnum {
        font-size: 10.5px;
        letter-spacing: 2.2px;
    }

    .galw {
        display: flex;
        gap: 12px;
        padding-bottom: 8px;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }

    .galw::-webkit-scrollbar {
        display: none;
    }

    .gait {
        flex: 0 0 74%;
        scroll-snap-align: start;
    }

    .gimg {
        height: 330px;
    }

    .advg {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .advi {
        padding: 24px 0 26px;
    }

    .adtt {
        font-size: 17.5px;
    }

    .dlls {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .dccd {
        padding: 22px 20px 18px;
    }

    .dcnm {
        padding-right: 44px;
        font-size: 16px;
    }

    .dcno {
        font-size: 38px;
    }

    .stps {
        padding-left: 30px;
    }

    .stpd {
        left: -30px;
        width: 17px;
        height: 17px;
    }

    .stpt {
        font-size: 17.5px;
    }

    .stpp {
        font-size: 14px;
    }

    .fqhd {
        gap: 14px;
        padding: 18px 2px;
        font-size: 15px;
        line-height: 1.6;
    }

    .fqpp {
        padding: 0 4px 20px 2px;
        font-size: 14px;
    }

    .nwsl {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .nwit {
        gap: 12px;
        padding: 18px 0;
    }

    .nwtt {
        font-size: 14.5px;
    }

    .rvwg {
        column-count: 1;
    }

    .fwpn {
        grid-template-columns: 1fr;
        gap: 32px;
        padding-bottom: 32px;
    }

    .ftrn {
        padding: 44px 0 24px;
    }

    .ftxt {
        max-width: 100%;
    }
}