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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background-color: #faf6ef;
    color: #2b2620;
    line-height: 1.7;
}

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

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

.wdzk {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 头部 ===== */
.hdzk {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: #faf6ef;
    border-bottom: 2px solid #2b2620;
}

.hdin {
    display: flex;
    align-items: center;
    height: 72px;
}

.lgzk {
    display: flex;
    align-items: center;
    font-size: 22px;
    font-weight: 700;
    color: #2b2620;
    flex-shrink: 0;
}

.lgzk img {
    width: 38px;
    height: 38px;
    border-radius: 9px;
    border: 2px solid #2b2620;
    margin-right: 10px;
}

.nvzk {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: 4px;
}

.nvzk a {
    font-size: 15px;
    color: #4a4238;
    padding: 8px 12px;
    border-radius: 6px;
    transition: color 0.2s, background-color 0.2s;
}

.nvzk a:hover {
    color: #e8563f;
    background-color: #f4ead9;
}

.gqzk {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    font-size: 15px;
    font-weight: 600;
    color: #fffdf9;
    background-color: #e8563f;
    border: 2px solid #2b2620;
    border-radius: 8px;
    padding: 9px 20px;
    box-shadow: 4px 4px 0 #2b2620;
    transition: transform 0.15s, box-shadow 0.15s;
}

.gqzk:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 #2b2620;
}

.gqzk i {
    margin-right: 6px;
}

.tgzk {
    display: none;
    background: none;
    border: 2px solid #2b2620;
    border-radius: 8px;
    font-size: 22px;
    color: #2b2620;
    padding: 4px 10px;
    margin-left: auto;
    cursor: pointer;
}

/* ===== Hero ===== */
.hezk {
    padding: 152px 0 90px;
    background-image: radial-gradient(#e9dcc4 1.2px, transparent 1.2px);
    background-size: 24px 24px;
    border-bottom: 2px solid #2b2620;
    overflow: hidden;
}

.hein {
    display: flex;
    align-items: center;
    gap: 60px;
}

.helf {
    flex: 1;
    min-width: 0;
}

.henm {
    display: inline-block;
    font-size: 64px;
    font-weight: 800;
    letter-spacing: 6px;
    line-height: 1.2;
    background: linear-gradient(transparent 62%, #f2b134 62%);
    padding: 0 8px;
}

.hetx {
    margin-top: 22px;
    font-size: 16px;
    color: #6b6154;
    max-width: 520px;
}

.hebt {
    display: flex;
    gap: 16px;
    margin-top: 34px;
}

.btaa {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: #fffdf9;
    background-color: #e8563f;
    border: 2px solid #2b2620;
    border-radius: 10px;
    padding: 16px 36px;
    box-shadow: 5px 5px 0 #2b2620;
    transition: transform 0.15s, box-shadow 0.15s;
}

.btaa:hover {
    transform: translate(2px, 2px);
    box-shadow: 3px 3px 0 #2b2620;
}

.btaa i {
    margin-right: 8px;
}

.btbb {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
    color: #2b2620;
    background-color: #fffdf9;
    border: 2px solid #2b2620;
    border-radius: 10px;
    padding: 16px 30px;
    box-shadow: 5px 5px 0 #d8cbb2;
    transition: transform 0.15s, box-shadow 0.15s;
}

.btbb:hover {
    transform: translate(2px, 2px);
    box-shadow: 3px 3px 0 #d8cbb2;
}

.btbb i {
    margin-right: 8px;
    color: #e8563f;
}

.hetp {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    margin-top: 28px;
}

.hetp span {
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    font-weight: 600;
    color: #4a4238;
}

.hetp i {
    color: #e8563f;
    font-size: 17px;
    margin-right: 6px;
}

/* Hero 右侧卡片堆叠 */
.herg {
    flex-shrink: 0;
    width: 460px;
}

.stkcz {
    position: relative;
    height: 480px;
}

.stkcd {
    position: absolute;
    width: 218px;
    background-color: #fffdf9;
    border: 3px solid #2b2620;
    border-radius: 12px;
    padding: 8px;
    box-shadow: 8px 8px 0 rgba(43, 38, 32, 0.85);
}

.stkcd img {
    width: 100%;
    height: 400px;
    object-fit: contain;
    background-color: #f4ead9;
    border-radius: 6px;
}

.stk1 {
    top: 30px;
    left: 10px;
    transform: rotate(-8deg);
}

.stk2 {
    top: 10px;
    left: 120px;
    transform: rotate(2deg);
    z-index: 2;
}

.stk3 {
    top: 44px;
    right: 6px;
    transform: rotate(9deg);
}

.dzcr {
    position: absolute;
    z-index: 3;
}

.dza {
    width: 34px;
    height: 34px;
    background-color: #f2b134;
    border: 3px solid #2b2620;
    border-radius: 50%;
    top: 6px;
    left: 96px;
}

.dzb {
    width: 20px;
    height: 20px;
    background-color: #e8563f;
    border: 3px solid #2b2620;
    border-radius: 50%;
    bottom: 18px;
    right: 120px;
}

.dzc {
    bottom: 34px;
    left: 40px;
    font-size: 30px;
    color: #f2b134;
    -webkit-text-stroke: 1.5px #2b2620;
}

/* ===== 通用模块 ===== */
.sczk {
    padding: 84px 0;
    scroll-margin-top: 84px;
}

.scbg {
    background-color: #fffdf9;
    border-top: 2px solid #2b2620;
    border-bottom: 2px solid #2b2620;
}

.ttzk {
    text-align: center;
    margin-bottom: 50px;
}

.ttzk p {
    display: inline-block;
    font-size: 30px;
    font-weight: 800;
    letter-spacing: 3px;
    position: relative;
    padding: 0 26px;
}

.ttzk p::before,
.ttzk p::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 10px;
    height: 10px;
    margin-top: -5px;
    background-color: #e8563f;
    border: 2px solid #2b2620;
    transform: rotate(45deg);
}

.ttzk p::before {
    left: 0;
}

.ttzk p::after {
    right: 0;
}

/* ===== 产品展示 ===== */
.pdzk {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.pdcd {
    background-color: #fffdf9;
    border: 3px solid #2b2620;
    border-radius: 12px;
    padding: 10px;
    box-shadow: 6px 6px 0 rgba(43, 38, 32, 0.85);
    transition: transform 0.2s, box-shadow 0.2s;
}

.pdcd:hover {
    transform: translate(2px, 2px);
    box-shadow: 4px 4px 0 rgba(43, 38, 32, 0.85);
}

.pdim {
    background-color: #f4ead9;
    border: 2px solid #2b2620;
    border-radius: 8px;
    overflow: hidden;
}

.pdim img {
    width: 100%;
    height: 436px;
    object-fit: cover;
    object-position: top;
}

.pdcd p {
    text-align: center;
    font-size: 15px;
    font-weight: 600;
    padding: 12px 4px 6px;
}

/* ===== 优势亮点 ===== */
.avzk {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.avcd {
    background-color: #faf6ef;
    border: 2px solid #2b2620;
    border-radius: 12px;
    padding: 30px 26px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.avcd:hover {
    transform: translateY(-5px);
    box-shadow: 6px 6px 0 #e8563f;
}

.avno {
    font-size: 38px;
    font-weight: 800;
    color: #e8563f;
    line-height: 1;
    letter-spacing: 1px;
}

.avtt {
    margin-top: 14px;
    font-size: 19px;
    font-weight: 700;
}

.avtx {
    margin-top: 10px;
    font-size: 14px;
    color: #6b6154;
}

/* ===== 下载中心 ===== */
.dlzk {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.dlcd {
    background-color: #fffdf9;
    border: 3px solid #2b2620;
    border-radius: 12px;
    padding: 30px 26px;
    box-shadow: 6px 6px 0 rgba(43, 38, 32, 0.85);
    transition: transform 0.2s, box-shadow 0.2s;
}

.dlcd:hover {
    transform: translate(2px, 2px);
    box-shadow: 4px 4px 0 #e8563f;
}

.dllg {
    width: 58px;
    height: 58px;
    border-radius: 14px;
    border: 2px solid #2b2620;
}

.dltt {
    margin-top: 16px;
    font-size: 18px;
    font-weight: 700;
}

.dltx {
    margin-top: 8px;
    font-size: 14px;
    color: #6b6154;
    min-height: 48px;
}

.dlbt {
    display: inline-flex;
    align-items: center;
    margin-top: 18px;
    font-size: 15px;
    font-weight: 700;
    color: #e8563f;
    border-bottom: 2px solid #e8563f;
    padding-bottom: 2px;
}

.dlbt i {
    margin-left: 6px;
    transition: transform 0.2s;
}

.dlbt:hover i {
    transform: translateX(4px);
}

/* ===== 使用流程 ===== */
.spzk {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.spcd {
    position: relative;
    text-align: center;
    padding: 0 10px;
}

.spcd:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 34px;
    left: calc(50% + 46px);
    width: calc(100% - 92px);
    border-top: 3px dashed #d8cbb2;
}

.spno {
    position: relative;
    z-index: 2;
    width: 68px;
    height: 68px;
    margin: 0 auto;
    background-color: #e8563f;
    border: 3px solid #2b2620;
    border-radius: 50%;
    box-shadow: 4px 4px 0 rgba(43, 38, 32, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
}

.spno span {
    font-size: 26px;
    font-weight: 800;
    color: #fffdf9;
}

.sptt {
    margin-top: 18px;
    font-size: 18px;
    font-weight: 700;
}

.sptx {
    margin-top: 8px;
    font-size: 14px;
    color: #6b6154;
}

/* ===== 常见问题 ===== */
.fqzk {
    max-width: 900px;
    margin: 0 auto;
}

.fqit {
    border-bottom: 2px solid #2b2620;
}

.fqit:first-child {
    border-top: 2px solid #2b2620;
}

.fqqs {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 10px;
    cursor: pointer;
}

.fqqs p {
    font-size: 17px;
    font-weight: 700;
}

.fqqs i {
    font-size: 22px;
    color: #e8563f;
    transition: transform 0.25s;
}

.fqit.fqon .fqqs i {
    transform: rotate(45deg);
}

.fqan {
    display: none;
    padding: 0 10px 24px;
}

.fqan p {
    font-size: 15px;
    color: #6b6154;
    background-color: #fffdf9;
    border-left: 4px solid #e8563f;
    padding: 14px 18px;
}

/* ===== 产品资讯 ===== */
.nzzk {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.nzcd {
    display: flex;
    gap: 20px;
    background-color: #faf6ef;
    border: 2px solid #2b2620;
    border-radius: 12px;
    padding: 24px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.nzcd:hover {
    transform: translateY(-4px);
    box-shadow: 6px 6px 0 #f2b134;
}

.nzdt {
    flex-shrink: 0;
    width: 74px;
    text-align: center;
    background-color: #e8563f;
    border: 2px solid #2b2620;
    border-radius: 10px;
    padding: 12px 0;
    align-self: flex-start;
}

.nzdy {
    font-size: 20px;
    font-weight: 800;
    color: #fffdf9;
    line-height: 1.2;
}

.nzyr {
    font-size: 12px;
    color: rgba(255, 253, 249, 0.8);
    margin-top: 4px;
}

.nzbd {
    min-width: 0;
}

.nztt {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.5;
}

.nztx {
    margin-top: 8px;
    font-size: 14px;
    color: #6b6154;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.nztm {
    margin-top: 10px;
    font-size: 13px;
    color: #a89a83;
}

.nztm i {
    margin-right: 5px;
}

/* ===== 用户评价 ===== */
.rvzk {
    columns: 3;
    column-gap: 24px;
}

.rvcd {
    break-inside: avoid;
    background-color: #fffdf9;
    border: 2px solid #2b2620;
    border-radius: 12px;
    padding: 26px 24px;
    margin-bottom: 24px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.rvcd:hover {
    transform: translateY(-4px);
    box-shadow: 6px 6px 0 #e8563f;
}

.rvqt {
    font-size: 30px;
    color: #f2b134;
}

.rvtx {
    margin-top: 10px;
    font-size: 15px;
    color: #4a4238;
}

.rvft {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 18px;
    padding-top: 14px;
    border-top: 2px dashed #e8ddc9;
}

.rvnm {
    font-size: 14px;
    font-weight: 700;
    color: #e8563f;
}

.rvtm {
    font-size: 12px;
    color: #a89a83;
}

/* ===== 页脚 ===== */
.ftzk {
    background-color: #2b2620;
    border-top: 3px solid #e8563f;
    padding: 56px 0 0;
}

.ftin {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.ftlf .lgzk {
    color: #fffdf9;
}

.ftlf .lgzk img {
    border-color: #fffdf9;
}

.ftlf p {
    margin-top: 14px;
    font-size: 14px;
    color: #a89a83;
    max-width: 300px;
}

.ftnv {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 26px;
    max-width: 460px;
}

.ftnv a {
    font-size: 14px;
    color: #cdc0aa;
    transition: color 0.2s;
}

.ftnv a:hover {
    color: #f2b134;
}

.ftbt {
    display: inline-flex;
    align-items: center;
    font-size: 16px;
    font-weight: 700;
    color: #2b2620;
    background-color: #f2b134;
    border: 2px solid #fffdf9;
    border-radius: 8px;
    padding: 12px 26px;
    box-shadow: 4px 4px 0 rgba(255, 253, 249, 0.35);
    transition: transform 0.15s, box-shadow 0.15s;
}

.ftbt:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 rgba(255, 253, 249, 0.35);
}

.ftbt i {
    margin-right: 8px;
}

.ftcp {
    margin-top: 44px;
    padding-top: 20px;
    padding-bottom: 20px;
    border-top: 1px solid rgba(255, 253, 249, 0.14);
}

.ftcp p {
    text-align: center;
    font-size: 13px;
    color: #8a7f6c;
}

/* ===== 移动端 ===== */
@media (max-width: 767px) {
    .hdin {
        height: 60px;
    }

    .lgzk {
        font-size: 19px;
    }

    .lgzk img {
        width: 32px;
        height: 32px;
    }

    .nvzk {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background-color: #faf6ef;
        border-bottom: 2px solid #2b2620;
        padding: 8px 20px 14px;
    }

    .hdzk.nvop .nvzk {
        display: flex;
    }

    .nvzk a {
        padding: 12px 6px;
        border-bottom: 1px solid #ece2cd;
        border-radius: 0;
    }

    .nvzk a:last-child {
        border-bottom: none;
    }

    .gqzk {
        display: none;
    }

    .tgzk {
        display: block;
    }

    .hezk {
        padding: 108px 0 64px;
    }

    .hein {
        flex-direction: column;
        gap: 0;
    }

    .henm {
        font-size: 44px;
        letter-spacing: 4px;
    }

    .hetx {
        font-size: 15px;
    }

    .hebt {
        flex-direction: column;
        gap: 14px;
        margin-top: 28px;
    }

    .btaa {
        width: 100%;
        font-size: 17px;
        padding: 16px 0;
    }

    .btbb {
        display: none;
    }

    .hetp {
        gap: 14px;
    }

    .herg {
        display: none;
    }

    .sczk {
        padding: 56px 0;
        scroll-margin-top: 72px;
    }

    .ttzk {
        margin-bottom: 34px;
    }

    .ttzk p {
        font-size: 24px;
    }

    .pdzk {
        display: flex;
        overflow-x: auto;
        gap: 16px;
        padding-bottom: 12px;
        -webkit-overflow-scrolling: touch;
    }

    .pdcd {
        flex: 0 0 74%;
    }

    .pdim img {
        height: 446px;
    }

    .avzk {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .dlzk {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .dltx {
        min-height: 0;
    }

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

    .spcd {
        text-align: left;
        padding: 0 0 30px 86px;
    }

    .spcd:not(:last-child)::after {
        top: 68px;
        left: 33px;
        width: 0;
        height: calc(100% - 68px);
        border-top: none;
        border-left: 3px dashed #d8cbb2;
    }

    .spno {
        position: absolute;
        left: 0;
        top: 0;
        width: 60px;
        height: 60px;
        margin: 0;
    }

    .spno span {
        font-size: 22px;
    }

    .sptt {
        margin-top: 6px;
    }

    .fqqs {
        padding: 18px 6px;
    }

    .fqqs p {
        font-size: 16px;
    }

    .nzzk {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .nzcd {
        padding: 18px;
        gap: 14px;
    }

    .rvzk {
        columns: 1;
    }

    .ftin {
        flex-direction: column;
        gap: 26px;
    }
}