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SC","Noto Serif CJK SC",SimSun,serif;font-size:36px;font-weight:500;letter-spacing:10px;text-align:center}.origin-banner{width:1180px;height:300px;margin:0 auto;object-fit:cover;object-position:center 50%}.origin-summary{width:1180px;margin:34px auto 0;padding-bottom:34px;border-bottom:1px solid #c68451;text-align:center}.origin-summary p{margin:0 0 4px;color:#111;font-size:18px;line-height:1.55;letter-spacing:3px}.home-hero{position:relative;width:100%;height:clamp(300px,calc(min(100vw,1440px) * 537 / 1516),510px);overflow:hidden}.home-hero .banner-slide{background-position:center top;background-size:cover;filter:none}.home-hero .banner-dot{width:10px;height:10px;border:1px solid #5c3a228c;border-radius:999px;background:#ffffffa6;box-shadow:0 1px 4px #ffffff73;transition:width .2s ease,background .2s ease,border-color .2s ease}.home-hero .banner-dot.active{width:28px;border-color:#5c3a228c;background:#ffffffa6;box-shadow:0 1px 4px #ffffff73}.home-intro{padding-top:72px}.home-title{margin-bottom:28px;text-align:center}.home-title h1{margin:0 0 13px;color:#c68451;font-family:"Source Han Serif SC","Noto Serif CJK SC",SimSun,serif;font-size:36px;font-weight:500;letter-spacing:12px}.home-title p{margin:0;color:#c68451;font-size:24px;font-weight:400;letter-spacing:5px}.wide-photo{width:1180px;height:362px;margin:0 auto;object-fit:cover;object-position:center 48%}.story-row{display:grid;width:1180px;margin:62px auto 0;grid-template-columns:580px 580px;gap:20px;align-items:start}.story-first{margin-top:62px}.story-second{margin-top:137px}.story-photo{width:580px;height:360px;object-fit:cover}.story-first .story-photo{object-position:center 43%}.story-second .story-photo{height:410px;object-position:center}.story-copy{min-height:360px;padding:18px 4px 0;border-bottom:1px solid #c68451}.story-copy h2{margin:0 0 38px;color:#c68451;font-family:Source Han Sans CN,Noto Sans CJK SC,Microsoft YaHei,Arial,sans-serif;font-size:26px;font-weight:700;letter-spacing:4px}.story-copy p{margin:0 0 4px;color:#111;font-size:18px;line-height:1.58;letter-spacing:2px}.right-copy{padding-top:0;text-align:right}.right-copy h2{margin-top:0;margin-bottom:52px}.right-copy p{font-size:19px;line-height:1.65}.design-contact{display:grid;width:1180px;margin:34px auto 0;grid-template-columns:150px 380px 1fr;gap:20px;align-items:center}.qr-box{width:130px;height:130px;border:1px solid #c68451}.qr-box img{width:100%;height:100%;object-fit:contain}.qr-box img:not([src]),.qr-box img[src=""]{display:none}.qr-block p,.hotline p{margin:8px 0 0;color:#111;font-size:17px;text-align:center}.hotline{display:grid;grid-template-columns:42px 1fr;align-items:center;padding-left:22px;color:#c68451}.phone-icon{font-size:35px}.hotline strong{font-size:26px;font-weight:500;letter-spacing:8px}.hotline p{grid-column:1 / -1;padding-top:24px;color:#111}.contact-text{padding-left:70px}.contact-text p{margin:0 0 6px;color:#111;font-size:18px;line-height:1.45;letter-spacing:4px}.design-copyright{display:grid;height:80px;margin-top:28px;place-items:center;color:#fff;background:#c58650;font-size:18px}:root{--design-title-color: #c68451;--design-title-font: "Source Han Serif SC", "Noto Serif CJK SC", SimSun, serif;--design-title-size: 28px;--design-title-weight: 500;--design-title-line: 1.35;--design-title-spacing: 7px;--design-body-size: 18px;--design-body-line: 1.58;--design-body-spacing: 2px}.home-title h1,.story-copy h2,.origin-copy h1,.origin-copy h2,.culture-copy h1,.culture-copy h2,.about-copy h1,.quality-copy h1,.quality-copy h2,.product-info h1,.mbm-info h1{color:var(--design-title-color);font-family:var(--design-title-font);font-size:var(--design-title-size);font-weight:var(--design-title-weight);line-height:var(--design-title-line);letter-spacing:var(--design-title-spacing)}.story-copy p,.right-copy p,.origin-copy p,.origin-summary p,.culture-copy p,.about-copy p,.quality-copy p,.product-info p,.mbm-spec-card p{color:#111;font-size:var(--design-body-size);line-height:var(--design-body-line);letter-spacing:var(--design-body-spacing)}.footer-inner{display:grid;width:min(100% - 40px,var(--container));margin:0 auto;grid-template-columns:1.5fr 1fr 1fr;gap:70px;padding:62px 0 48px}.footer-logo{margin-bottom:18px;color:#fff;font-family:"Source Han Serif SC","Noto Serif CJK SC",SimSun,serif;font-size:32px;font-weight:700}.footer-menu,.footer-contact{display:grid;gap:8px}.footer-menu strong,.footer-contact strong{margin-bottom:10px;color:#fff}.footer-bottom{display:flex;width:min(100% - 40px,var(--container));margin:0 auto;justify-content:space-between;gap:24px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px}@media(max-width:1080px){.desktop-nav{display:none}.menu-button{display:grid;width:44px;height:44px;place-items:center;border:0;background:transparent}.menu-button span{display:block;width:24px;height:2px;background:#fff}.mobile-nav{position:absolute;top:80px;right:20px;display:none;width:min(260px,calc(100vw - 40px));padding:12px;border-radius:6px;background:#fff;color:var(--ink);box-shadow:0 18px 42px #0000002e}.mobile-nav[data-open]{display:grid}.mobile-nav a{padding:11px 12px;border-bottom:1px solid var(--line)}.split,.feature-grid,.quality-grid,.product-showcase,.footer-inner{grid-template-columns:1fr 1fr}}@media(max-width:720px){.site-header{height:68px;padding:0 18px}.brand{min-width:0}.brand-mark{width:40px;height:40px;font-size:22px}.brand strong{font-size:22px}.brand small{font-size:10px}.mobile-nav{top:68px}.container{width:min(100% - 28px,var(--container))}.page-hero,.hero-content{min-height:510px}.section{padding:68px 0}.split,.feature-grid,.quality-grid,.product-showcase,.footer-inner,.stats{grid-template-columns:1fr}.product-card .card-body{padding-right:120px}.banner .container,.footer-bottom{align-items:flex-start;flex-direction:column}}

.mbm-info > .mbm-spec-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 36px;
  padding-left: 0;
  border-left: 0;
}

.mbm-info > .mbm-spec-groups .mbm-spec-card {
  min-width: 0;
  padding-left: 20px;
  border-left: 1px solid #c68451;
}

.mbm-info > .mbm-spec-groups .mbm-spec-card h2,
.mbm-info > .mbm-spec-groups .mbm-spec-card p {
  white-space: nowrap;
}

.mbm-info > .mbm-spec-groups .mbm-spec-card p {
  margin-bottom: 13px;
}

.mbm-info > .mbm-spec-groups .mbm-spec-card:only-child {
  grid-column: 1 / -1;
}

.story-second .story-copy {
  min-height: 410px;
}

.about-company .about-copy,
.about-tech .about-copy {
  min-height: 540px;
}

.story-row {
  align-items: stretch;
}

.story-row > .story-photo {
  height: 100%;
  min-height: 360px;
}

.story-second > .story-photo,
.story-second > .story-copy {
  min-height: 410px;
}

.about-row {
  align-items: stretch;
}

.about-row > .about-copy,
.about-row > .about-gallery {
  height: 100%;
}

.about-row > .about-copy {
  min-height: 540px;
}

.origin-row {
  align-items: stretch;
}

.origin-row > .origin-photo {
  height: 100%;
  min-height: 360px;
}

.culture-row {
  align-items: stretch;
}

.culture-row > .culture-photo {
  height: 100%;
  min-height: 360px;
}

.products-design .product-detail {
    width: 1180px !important;
    max-width: 100% !important;
    margin-left: auto !important;
    margin-right: auto !important;
    grid-template-columns: 540px 1fr !important;
    gap: 60px !important;
}

/* 强制重新定位左右箭头，确保间距对称 */
.products-design .product-detail .arrow.left {
    left: -60px !important;  /* 控制左箭头的位置，负数代表往左外侧移 */
}

.products-design .product-detail .arrow.right {
    right: auto !important;  /* 清除原有的右侧定位干扰 */
    left: 560px !important;  /* 540px(图片宽) + 20px(间隙) = 560px。控制右箭头的位置 */
}

/* --- 手机端自适应排版 --- */
@media screen and (max-width: 768px) {
    /* 把产品详情的宽度改为 100%，并变成上下堆叠的单列 */
    .products-design .product-detail {
        width: 100% !important;
        grid-template-columns: 1fr !important; /* 核心：左右两列变上下单列 */
        gap: 20px !important; /* 缩小手机上的上下间距 */
        padding: 0 15px !important; /* 给手机屏幕左右留点安全边距 */
    }
    
    /* 隐藏或调整手机端可能错位的左右箭头 */
    .products-design .product-detail .arrow {
        display: none !important; /* 手机上通常用手势滑动，可以直接隐藏箭头 */
    }
}

/* --- 彻底修复手机端右侧大片留白、页面被撑破的问题 --- */
@media screen and (max-width: 768px) {
    /* 核心：强制隐藏所有超出屏幕右侧的元素，把页面锁死在屏幕宽度内 */
    html, body {
        overflow-x: hidden !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    /* 强制所有的图片、区块、排版盒子，最大宽度绝对不能超过屏幕 */
    div, section, img, figure {
        max-width: 100vw !important;
        box-sizing: border-box !important;
    }
}