/* ============================================================
   lk美化助手 首页样式（全新改版）
   风格：深色工具型 App 风 —— 参照 LK 应用自身 UI
   配色：暖黑 #15120f / 面板 #1d1915 / 玫粉 #f0568c / 蓝 #4a8de0
   断点：PC / 手机（767px）
   ============================================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    line-height: 1.7;
    color: #f2ece3;
    background-color: #15120f;
    -webkit-font-smoothing: antialiased;
}

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

ul,
ol {
    list-style: none;
}

img {
    display: block;
    max-width: 100%;
    border: 0;
}

button {
    font-family: inherit;
}

/* ---------- 通用容器 ---------- */

.lrkm {
    width: 1200px;
    margin: 0 auto;
}

/* ---------- 头部 ---------- */

.kkfm {
    position: sticky;
    top: 0;
    z-index: 60;
    background-color: rgba(21, 18, 15, 0.92);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #2c2620;
}

.pqzx {
    display: flex;
    align-items: center;
    gap: 24px;
    width: 1200px;
    height: 74px;
    margin: 0 auto;
}

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

.wrbn {
    width: 34px;
    height: 34px;
    padding: 3px;
    background-color: #241f1b;
    border: 1px solid #3a332c;
    border-radius: 10px;
}

.zkqv {
    font-size: 17px;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.msdk {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-left: auto;
}

.fqwl {
    position: relative;
    padding: 6px 0;
    font-size: 14px;
    color: #9a9086;
    white-space: nowrap;
    transition: color 0.2s;
}

.fqwl:hover,
.fqwl.actv {
    color: #f0568c;
}

.fqwl.actv::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background-color: #f0568c;
    border-radius: 2px;
}

.pdtn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    height: 42px;
    margin-left: 20px;
    padding: 0 20px;
    font-size: 14px;
    font-weight: 700;
    color: #ffffff;
    background-image: linear-gradient(135deg, #f0568c, #e0447e);
    border-radius: 999px;
    box-shadow: 0 4px 18px rgba(240, 86, 140, 0.35);
    flex-shrink: 0;
    transition: transform 0.2s, box-shadow 0.2s;
}

.pdtn:hover {
    box-shadow: 0 6px 24px rgba(240, 86, 140, 0.5);
    transform: translateY(-2px);
}

.yzvx {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-left: 12px;
    font-size: 20px;
    color: #f2ece3;
    background-color: #201c18;
    border: 1px solid #3a332c;
    border-radius: 10px;
    cursor: pointer;
}

/* ---------- 首屏 ---------- */

.gvbn {
    position: relative;
    padding: 70px 0 92px;
    overflow: hidden;
    background-image:
        radial-gradient(620px 320px at 50% -60px, rgba(240, 86, 140, 0.16), transparent 70%),
        radial-gradient(520px 280px at 88% 16%, rgba(74, 141, 224, 0.10), transparent 70%),
        radial-gradient(460px 260px at 8% 40%, rgba(240, 86, 140, 0.06), transparent 70%);
    background-color: #15120f;
    border-bottom: 1px solid #2c2620;
}

.czkp {
    width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.tlws {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 16px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: #f6a5c4;
    background-color: rgba(240, 86, 140, 0.08);
    border: 1px solid rgba(240, 86, 140, 0.4);
    border-radius: 999px;
}

.nbsy {
    margin-top: 24px;
    font-size: 60px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
}

.qvdx {
    display: block;
    margin-top: 14px;
    font-size: 19px;
    font-weight: 700;
    letter-spacing: 0.5px;
    background-image: linear-gradient(90deg, #f6a5c4, #7fa9e8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: #f6a5c4;
}

.rwpk {
    max-width: 640px;
    margin: 18px auto 0;
    font-size: 15px;
    line-height: 1.95;
    color: #9a9086;
}

.jwzt {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-top: 30px;
}

.bzqm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 56px;
    padding: 0 36px;
    font-size: 17px;
    font-weight: 800;
    color: #ffffff;
    background-image: linear-gradient(135deg, #f0568c, #e0447e);
    border-radius: 12px;
    box-shadow: 0 8px 26px rgba(240, 86, 140, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}

.bzqm:hover {
    box-shadow: 0 12px 34px rgba(240, 86, 140, 0.55);
    transform: translateY(-2px);
}

.ktnz {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 56px;
    padding: 0 28px;
    font-size: 15px;
    font-weight: 700;
    color: #f2ece3;
    background-color: #201c18;
    border: 1px solid #3a332c;
    border-radius: 12px;
    transition: border-color 0.2s, transform 0.2s;
}

.ktnz:hover {
    border-color: rgba(240, 86, 140, 0.55);
    transform: translateY(-2px);
}

/* 首屏悬浮窗面板（复刻应用内悬浮窗） */

.xwfl {
    width: 760px;
    margin: 52px auto 0;
    padding: 22px 24px 12px;
    text-align: left;
    background-color: #1d1915;
    border: 1px solid #332c26;
    border-radius: 18px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5), 0 0 60px rgba(240, 86, 140, 0.10);
}

.vmcr {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.dbqk {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 38px;
    padding: 0 16px;
    font-size: 13px;
    color: #9a9086;
    background-color: #241f1b;
    border: 1px solid #2e2822;
    border-radius: 999px;
}

.dbqk i {
    font-size: 14px;
}

.dbqk.actv {
    color: #ffffff;
    background-color: rgba(240, 86, 140, 0.16);
    border-color: rgba(240, 86, 140, 0.5);
}

.dbqk.actv i {
    color: #f0568c;
}

.zskt {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 44px;
    margin-top: 14px;
    padding: 0 16px;
    font-size: 13px;
    color: #6f665c;
    background-color: #241f1b;
    border: 1px dashed #3a332c;
    border-radius: 12px;
}

.gbwn {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
    margin-top: 14px;
}

.hwzt {
    padding: 12px 6px 10px;
    font-size: 12px;
    color: #cfc4b8;
    text-align: center;
    background-color: #241f1b;
    border: 1px solid #2e2822;
    border-radius: 12px;
}

.hwzt i {
    display: block;
    width: 34px;
    height: 34px;
    margin: 0 auto 6px;
    font-size: 16px;
    line-height: 34px;
    color: #9a9086;
    background-color: #2e2822;
    border-radius: 9px;
}

.hwzt:nth-child(even) i {
    color: #f0568c;
    background-color: rgba(240, 86, 140, 0.14);
}

.hwzt:nth-child(3n) i {
    color: #4a8de0;
    background-color: rgba(74, 141, 224, 0.14);
}

.pnkd {
    margin-top: 14px;
    padding-top: 4px;
    border-top: 1px solid #2e2822;
}

.tnrv {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 2px;
    font-size: 13px;
    color: #cfc4b8;
}

.tnrv + .tnrv {
    border-top: 1px dashed #2e2822;
}

.zbwq {
    position: relative;
    display: inline-block;
    width: 42px;
    height: 24px;
    background-color: #3a332c;
    border-radius: 999px;
    transition: background-color 0.2s;
}

.zbwq::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background-color: #6f665c;
    border-radius: 50%;
    transition: left 0.2s, background-color 0.2s;
}

.zbwq.qiwn {
    background-color: rgba(240, 86, 140, 0.45);
}

.zbwq.qiwn::after {
    left: 21px;
    background-color: #f0568c;
}

/* ---------- 区块 ---------- */

.sdwv {
    padding: 78px 0;
    scroll-margin-top: 92px;
}

.sdwv:nth-of-type(even) {
    background-color: #191512;
}

.htwq {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 32px;
    font-weight: 800;
    letter-spacing: 1px;
    text-align: center;
}

.htwq::before,
.htwq::after {
    content: "";
    width: 36px;
    height: 3px;
    border-radius: 2px;
    background-image: linear-gradient(90deg, rgba(240, 86, 140, 0.1), #f0568c);
}

.htwq::after {
    background-image: linear-gradient(90deg, #f0568c, rgba(240, 86, 140, 0.1));
}

/* ---------- 产品展示 ---------- */

.bvzm {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 42px;
}

.cqyt {
    padding: 10px;
    background-color: #1d1915;
    border: 1px solid #332c26;
    border-radius: 20px;
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
    transition: border-color 0.25s, transform 0.25s;
}

.cqyt:hover {
    border-color: rgba(240, 86, 140, 0.5);
    transform: translateY(-4px);
}

.cqyt img {
    width: 100%;
    height: 370px;
    object-fit: contain;
    background-color: #12100d;
    border-radius: 12px;
}

.nwdz {
    margin-top: 10px;
    padding-bottom: 4px;
    font-family: "SFMono-Regular", Consolas, Menlo, monospace;
    font-size: 12px;
    letter-spacing: 0.1em;
    color: #9a9086;
    text-align: center;
}

/* ---------- 优势亮点 ---------- */

.tmzk {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 42px;
}

.vbxr {
    position: relative;
    padding: 24px;
    background-color: #1d1915;
    border: 1px solid #332c26;
    border-radius: 16px;
    transition: border-color 0.2s, transform 0.2s;
}

.vbxr:hover {
    border-color: rgba(240, 86, 140, 0.45);
    transform: translateY(-3px);
}

.lpnz {
    position: absolute;
    top: 20px;
    right: 22px;
    font-family: "SFMono-Regular", Consolas, Menlo, monospace;
    font-size: 13px;
    font-weight: 700;
    color: #5c5348;
}

.qsdk {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    margin-bottom: 14px;
    font-size: 22px;
    color: #f0568c;
    background-color: rgba(240, 86, 140, 0.14);
    border: 1px solid rgba(240, 86, 140, 0.35);
    border-radius: 12px;
}

.cwmv {
    font-size: 15px;
    font-weight: 800;
    line-height: 1.5;
    color: #f2ece3;
}

.cwmv i {
    color: #f0568c;
}

.ghbr {
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.85;
    color: #9a9086;
}

/* ---------- 下载中心 ---------- */

.dzqv {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 42px;
}

.ybzn {
    display: flex;
    flex-direction: column;
    padding: 22px;
    background-color: #1d1915;
    border: 1px solid #332c26;
    border-radius: 16px;
    transition: border-color 0.2s, transform 0.2s;
}

.ybzn:hover {
    border-color: rgba(240, 86, 140, 0.45);
    transform: translateY(-3px);
}

.cjwk {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hwvm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    font-size: 20px;
    color: #4a8de0;
    background-color: rgba(74, 141, 224, 0.14);
    border: 1px solid rgba(74, 141, 224, 0.35);
    border-radius: 11px;
    flex-shrink: 0;
}

.rvnj {
    min-width: 0;
}

.rbnz {
    margin-top: 3px;
    font-family: "SFMono-Regular", Consolas, Menlo, monospace;
    font-size: 12px;
    color: #9a9086;
}

.swqk {
    flex: 1;
    margin-top: 14px;
    padding-top: 14px;
    font-size: 13px;
    line-height: 1.8;
    color: #9a9086;
    border-top: 1px dashed #332c26;
}

.tznp {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 46px;
    margin-top: 16px;
    font-size: 14px;
    font-weight: 700;
    color: #ffffff;
    background-image: linear-gradient(135deg, #f0568c, #e0447e);
    border-radius: 10px;
    box-shadow: 0 6px 18px rgba(240, 86, 140, 0.3);
    transition: transform 0.2s, box-shadow 0.2s;
}

.tznp:hover {
    box-shadow: 0 9px 24px rgba(240, 86, 140, 0.45);
    transform: translateY(-2px);
}

/* ---------- 使用流程 ---------- */

.wrbz {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
    margin-top: 46px;
}

.nqzd {
    position: relative;
    padding: 24px 20px;
    background-color: #1d1915;
    border: 1px solid #332c26;
    border-radius: 16px;
}

.nqzd::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -20px;
    width: 10px;
    height: 10px;
    border-top: 2px solid #f0568c;
    border-right: 2px solid #f0568c;
    transform: translateY(-50%) rotate(45deg);
}

.nqzd:last-child::after {
    display: none;
}

.kdws {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 8px;
    font-family: "SFMono-Regular", Consolas, Menlo, monospace;
    font-size: 16px;
    font-weight: 800;
    color: #ffffff;
    background-image: linear-gradient(135deg, #f0568c, #e0447e);
    border-radius: 12px;
    box-shadow: 0 6px 16px rgba(240, 86, 140, 0.35);
}

.nqzd .cwmv {
    margin-top: 14px;
}

.nqzd .ghbr {
    margin-top: 6px;
}

/* ---------- 常见问题 ---------- */

.gwsn {
    display: grid;
    gap: 12px;
    margin-top: 42px;
}

.bnvr {
    background-color: #1d1915;
    border: 1px solid #332c26;
    border-radius: 14px;
    transition: border-color 0.2s;
}

.bnvr.actv {
    border-color: rgba(240, 86, 140, 0.5);
}

.tqzm {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    padding: 19px 22px;
    font-size: 15px;
    font-weight: 700;
    color: #f2ece3;
    text-align: left;
    background: none;
    border: 0;
    cursor: pointer;
}

.tqzm i {
    flex-shrink: 0;
    font-size: 19px;
    color: #f0568c;
    transition: transform 0.25s;
}

.bnvr.actv .tqzm i {
    transform: rotate(45deg);
}

.rdpk {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.bnvr.actv .rdpk {
    max-height: 320px;
}

.rdpk p {
    padding: 0 22px 20px;
    font-size: 13px;
    line-height: 1.95;
    color: #9a9086;
}

/* ---------- 产品资讯 ---------- */

.zxqr {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 42px;
}

.kbns {
    padding: 22px 24px;
    background-color: #1d1915;
    border: 1px solid #332c26;
    border-left: 3px solid #4a8de0;
    border-radius: 16px;
    transition: border-color 0.2s, transform 0.2s;
}

.kbns:hover {
    border-color: rgba(74, 141, 224, 0.5);
    border-left-color: #4a8de0;
    transform: translateX(3px);
}

.wdzt {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: "SFMono-Regular", Consolas, Menlo, monospace;
    font-size: 12px;
    color: #4a8de0;
}

.kbns .cwmv {
    margin-top: 10px;
    font-size: 16px;
}

.kbns .ghbr {
    margin-top: 8px;
    font-size: 13px;
}

/* ---------- 用户评价 ---------- */

.yqzs {
    margin-top: 42px;
    columns: 3;
    column-gap: 20px;
}

.mzbp {
    display: inline-block;
    width: 100%;
    margin-bottom: 20px;
    padding: 20px 22px;
    background-color: #1d1915;
    border: 1px solid #332c26;
    border-radius: 16px;
    break-inside: avoid;
    page-break-inside: avoid;
}

.tkwr {
    display: flex;
    align-items: center;
    gap: 9px;
}

.fsng {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    font-size: 13px;
    font-weight: 800;
    color: #ffffff;
    background-image: linear-gradient(135deg, #f0568c, #4a8de0);
    border-radius: 50%;
    flex-shrink: 0;
}

.hbkm {
    font-size: 14px;
    font-weight: 700;
}

.dpxv {
    display: flex;
    gap: 1px;
    margin-left: auto;
    font-size: 11px;
    color: #f0568c;
}

.mzbp .ghbr {
    margin-top: 12px;
}

.mzbp .wdzt {
    margin-top: 14px;
    font-size: 11px;
    color: #6f665c;
}

/* ---------- 页脚 ---------- */

.pzbn {
    position: relative;
    padding-top: 56px;
    background-color: #100e0c;
    border-top: 1px solid #2c2620;
}

.pzbn::before {
    content: "";
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background-image: linear-gradient(90deg, #f0568c, #4a8de0, rgba(74, 141, 224, 0));
}

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

.qdts {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #ffffff;
}

.svlm {
    max-width: 330px;
    margin-top: 14px;
    font-size: 13px;
    line-height: 1.9;
    color: #8a7f74;
}

.hbqn {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px 12px;
    align-content: start;
}

.djwz {
    font-size: 13px;
    color: #8a7f74;
    transition: color 0.2s;
}

.djwz:hover {
    color: #f0568c;
}

.cnpt {
    padding: 20px;
    background-color: #1d1915;
    border: 1px solid #332c26;
    border-radius: 16px;
}

.cnpt .cwmv {
    font-size: 15px;
}

.cnpt .ghbr {
    margin-top: 8px;
    margin-bottom: 16px;
}

.cnpt .bzqm {
    width: 100%;
    height: 46px;
    font-size: 14px;
}

.rqvs {
    margin-top: 46px;
    padding: 20px 0;
    font-size: 12px;
    color: #6f665c;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

/* ============================================================
   手机端
   ============================================================ */

@media (max-width: 767px) {
    .pqzx {
        gap: 12px;
        width: 100%;
        height: 60px;
        padding: 0 16px;
    }

    .wrbn {
        width: 30px;
        height: 30px;
    }

    .zkqv {
        font-size: 15px;
    }

    .yzvx {
        display: flex;
        margin-left: 0;
    }

    .pdtn {
        height: 36px;
        margin-left: auto;
        padding: 0 14px;
        font-size: 13px;
    }

    .msdk {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        margin: 0;
        padding: 6px 16px 14px;
        background-color: #15120f;
        border-bottom: 1px solid #2c2620;
    }

    .msdk.open {
        display: flex;
    }

    .fqwl {
        padding: 12px 2px;
        font-size: 15px;
        border-bottom: 1px dashed #2e2822;
    }

    .fqwl:last-child {
        border-bottom: 0;
    }

    .fqwl.actv::after {
        display: none;
    }

    .gvbn {
        padding: 30px 0 50px;
    }

    .lrkm {
        width: 100%;
        padding: 0 16px;
    }

    .czkp {
        width: 100%;
        padding: 0 16px;
    }

    .tlws {
        font-size: 11px;
    }

    .nbsy {
        margin-top: 18px;
        font-size: 32px;
        letter-spacing: -0.5px;
    }

    .qvdx {
        margin-top: 12px;
        font-size: 15px;
    }

    .rwpk {
        margin-top: 14px;
        font-size: 13px;
        line-height: 1.85;
    }

    .jwzt {
        flex-direction: column;
        gap: 12px;
        margin-top: 24px;
    }

    .bzqm,
    .ktnz {
        width: 100%;
        height: 50px;
        font-size: 15px;
    }

    .xwfl {
        width: 100%;
        margin-top: 32px;
        padding: 16px 14px 8px;
        border-radius: 14px;
    }

    .dbqk {
        height: 34px;
        padding: 0 12px;
        font-size: 12px;
    }

    .zskt {
        height: 40px;
        font-size: 12px;
    }

    .gbwn {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .hwzt {
        font-size: 11px;
    }

    .tnrv {
        font-size: 12px;
    }

    .sdwv {
        padding: 46px 0;
        scroll-margin-top: 72px;
    }

    .htwq {
        gap: 10px;
        font-size: 24px;
    }

    .htwq::before,
    .htwq::after {
        width: 22px;
    }

    .bvzm {
        display: flex;
        gap: 12px;
        margin: 26px -16px 0;
        padding: 0 16px 10px;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }

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

    .cqyt img {
        height: 300px;
    }

    .tmzk,
    .dzqv,
    .zxqr {
        grid-template-columns: 1fr;
        gap: 14px;
        margin-top: 26px;
    }

    .vbxr,
    .ybzn,
    .kbns,
    .mzbp,
    .nqzd {
        box-shadow: none;
    }

    .wrbz {
        grid-template-columns: 1fr;
        gap: 14px;
        margin-top: 26px;
    }

    .nqzd::after {
        display: none;
    }

    .gwsn {
        margin-top: 26px;
    }

    .tqzm {
        padding: 16px;
        font-size: 14px;
    }

    .rdpk p {
        padding: 0 16px 16px;
    }

    .yqzs {
        margin-top: 26px;
        columns: 1;
    }

    .krzw {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .pzbn {
        padding-top: 38px;
    }

    .rqvs {
        margin-top: 30px;
        font-size: 12px;
    }
}