/* ==============================================================
   m18 · Heavy Machinery —— 重型机械皮肤(降噪后 / quiet)
   steel gray + safety yellow + structural black
   保持重型工业可信气质，降噪/克制化：
   - 削减斜纹/网纹/铆钉等纹理
   - 强渐变 → 纯色 / 极淡
   - 厚重硬阴影 → 轻柔细阴影
   - 安全黄收敛到 CTA / 价格 / 关键强调
   ============================================================== */

:root{
    --m18-bg:        #ececed;          /* 钢板灰 */
    --m18-bg-2:      #e0e1e2;          /* 暗钢 */
    --m18-bg-3:      #f5f6f6;          /* 高光 */
    --m18-card:      #ffffff;
    --m18-ink:       #2b2f36;          /* 钢灰(主色) */
    --m18-ink-2:     #4a4f52;
    --m18-ink-3:     #868c90;
    --m18-line:      #d6d8da;
    --m18-line-2:    #c2c5c8;          /* 结构边(收敛) */
    --m18-yellow:    #f2c200;          /* 安全黄(强调/CTA) */
    --m18-yellow-d:  #b88f00;          /* 阴影黄 */
    --m18-yellow-pale:#fbf3d2;         /* 极淡黄底 */
    --m18-black:     #1f2224;
    --m18-red:       #c0392b;          /* 警示红 */
    --m18-shell:     1240px;
    --m18-rivet:     #9aa0a4;
    /* 模板内联样式引用的字体别名 */
    --m18-display:   -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    --m18-body:      -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    --zcfab-accent: #f2c200;
    --m18-shadow:    0 1px 2px rgba(31,34,36,.06), 0 2px 8px rgba(31,34,36,.05);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{
    background:var(--m18-bg);
    color:var(--m18-ink);
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-size:15px;
    line-height:1.65;
    font-weight:400;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}

.seo-h1{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.m18-shell{max-width:var(--m18-shell);margin:0 auto;padding:0 24px}

/* ──── 分隔线(原警示斜条纹 → 降噪为细黄实线) ──── */
.m18-hazard{
    height:3px;
    background:var(--m18-yellow);
}
.m18-hazard-thin{height:2px;background:var(--m18-yellow)}

/* ──── 顶部信任栏 ──── */
.m18-trust{
    background:var(--m18-ink);
    color:var(--m18-bg);
    font-size:12px;
    letter-spacing:.04em;
    padding:8px 0;
    border-bottom:2px solid var(--m18-yellow);
}
.m18-trust .row{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}
.m18-trust .badges{display:flex;gap:18px;flex-wrap:wrap}
.m18-trust .badge{
    display:inline-flex;align-items:center;gap:6px;
    letter-spacing:.06em;
    font-size:12.5px;
}
.m18-trust .badge .dot{
    width:6px;height:6px;background:var(--m18-yellow);border-radius:50%;
}
.m18-trust a{color:var(--m18-yellow)}
.m18-trust a:hover{text-decoration:underline}

/* ──── 头部 ──── */
.m18-mast{background:var(--m18-card);border-bottom:1px solid var(--m18-line)}
.m18-mast-row{
    display:grid;
    grid-template-columns:auto 1fr auto;
    gap:32px;
    align-items:center;
    padding:22px 0 24px;
}
.m18-brand{display:flex;align-items:center;gap:18px}
.m18-brand-logo{
    width:60px;height:60px;
    border:1px solid var(--m18-line);
    background:var(--m18-card);
    object-fit:contain;
    padding:6px;
}
.m18-brand-text .h1{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:700;
    font-size:25px;
    line-height:1.1;
    color:var(--m18-ink);
    letter-spacing:.01em;
    display:block;
}
.m18-brand-text p{
    font-size:12px;
    color:var(--m18-ink-2);
    text-transform:uppercase;
    letter-spacing:.08em;
    margin-top:6px;
    max-width:520px;
}

.m18-mast-cta{
    border:1px solid var(--m18-line);
    border-left:3px solid var(--m18-yellow);
    background:var(--m18-bg-3);
    padding:10px 18px;
    position:relative;
}
.m18-mast-cta small{
    display:block;
    font-weight:500;
    letter-spacing:.1em;
    font-size:11px;
    color:var(--m18-ink-3);
    margin-bottom:2px;
    text-transform:uppercase;
}
.m18-mast-cta strong{
    display:block;
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:700;
    font-size:22px;
    color:var(--m18-ink);
    letter-spacing:.02em;
}

/* ──── 导航 ──── */
.m18-nav{background:var(--m18-ink);position:relative}
.m18-nav-inner{display:flex;align-items:stretch;flex-wrap:wrap}
.m18-nav-inner a{
    flex:1 1 auto;
    text-align:center;
    color:var(--m18-bg);
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:500;
    font-size:16px;
    letter-spacing:.1em;
    padding:15px 14px;
    border-right:1px solid rgba(255,255,255,.06);
    text-transform:uppercase;
    transition:background .18s,color .18s;
    position:relative;
}
.m18-nav-inner a:hover{background:rgba(255,255,255,.06);color:var(--m18-yellow)}
.m18-nav-inner a.is-active{
    color:var(--m18-yellow);
    box-shadow:inset 0 -3px 0 var(--m18-yellow);
}

/* ──── 首页英雄 ──── */
.m18-hero{
    background:var(--m18-bg-3);
    border-bottom:1px solid var(--m18-line);
    position:relative;
    overflow:hidden;
}
.m18-hero-grid{
    display:grid;
    grid-template-columns:1.3fr 1fr;
    gap:48px;
    align-items:center;
    padding:56px 0 64px;
    position:relative;
}
.m18-hero-tag{
    display:inline-flex;align-items:center;gap:10px;
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:500;
    font-size:13px;
    letter-spacing:.12em;
    background:var(--m18-yellow-pale);
    border:1px solid var(--m18-yellow);
    color:var(--m18-yellow-d);
    padding:6px 14px;
    margin-bottom:24px;
}
.m18-hero-tag::before{content:"▸";font-size:12px}
.m18-hero h1{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:700;
    font-size:62px;
    line-height:1.02;
    color:var(--m18-ink);
    letter-spacing:.005em;
    margin-bottom:18px;
    text-transform:uppercase;
}
.m18-hero h1 em{
    font-style:normal;
    color:var(--m18-yellow-d);
    border-bottom:4px solid var(--m18-yellow);
    display:inline-block;
}
.m18-hero .lead{
    font-size:16px;
    color:var(--m18-ink-2);
    max-width:560px;
    margin-bottom:28px;
    line-height:1.75;
}
.m18-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}

.m18-hero-img{
    position:relative;
    border:1px solid var(--m18-line);
    background:var(--m18-card);
    padding:8px;
    box-shadow:var(--m18-shadow);
}
.m18-hero-img img{
    width:100%;
    height:340px;
    object-fit:cover;
    display:block;
}
.m18-hero-img .stamp{
    position:absolute;
    top:14px;right:14px;
    background:var(--m18-yellow);
    color:var(--m18-ink);
    padding:6px 12px;
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:500;
    letter-spacing:.08em;
    font-size:12px;
}

/* ──── 铆钉装饰(已移除纹理，留空 hook 保持类不变) ──── */
.m18-rivet{position:relative}

/* ──── 按钮 ──── */
.m18-btn{
    display:inline-flex;align-items:center;gap:8px;
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:500;
    font-size:15px;
    letter-spacing:.08em;
    padding:12px 22px;
    border:1px solid transparent;
    text-transform:uppercase;
    cursor:pointer;
    transition:background .15s,border-color .15s,color .15s;
}
.m18-btn-primary{background:var(--m18-yellow);color:var(--m18-ink);border-color:var(--m18-yellow)}
.m18-btn-primary:hover{background:var(--m18-yellow-d);border-color:var(--m18-yellow-d)}
.m18-btn-dark{background:var(--m18-ink);color:#fff;border-color:var(--m18-ink)}
.m18-btn-dark:hover{background:#000}
.m18-btn-outline{background:var(--m18-card);color:var(--m18-ink);border-color:var(--m18-line-2)}
.m18-btn-outline:hover{border-color:var(--m18-ink)}

.m18-btn-sm{font-size:13px;padding:8px 14px;letter-spacing:.06em}

/* ──── 数据/规格条 ──── */
.m18-specs{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    border:1px solid var(--m18-line);
    background:var(--m18-card);
    box-shadow:var(--m18-shadow);
}
.m18-specs .item{
    padding:18px 18px;
    border-right:1px solid var(--m18-line);
    position:relative;
}
.m18-specs .item:last-child{border-right:none}
.m18-specs strong{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:700;
    font-size:30px;
    color:var(--m18-ink);
    letter-spacing:.01em;
    line-height:1;
    display:block;
    margin-bottom:6px;
}
.m18-specs span{
    font-size:11px;
    text-transform:uppercase;
    letter-spacing:.1em;
    color:var(--m18-ink-3);
}

/* ──── 分类快捷胶囊 ──── */
.m18-pills-strip{
    background:var(--m18-card);
    border-top:1px solid var(--m18-line);
    border-bottom:1px solid var(--m18-line);
    padding:18px 0;
}
.m18-pills-strip .row{
    display:flex;align-items:center;gap:14px;flex-wrap:wrap;
}
.m18-pills-strip .label{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:700;
    font-size:16px;
    letter-spacing:.08em;
    color:var(--m18-ink);
    border-right:1px solid var(--m18-line);
    padding-right:16px;
    margin-right:4px;
    text-transform:uppercase;
}
.m18-pill{
    display:inline-flex;align-items:center;gap:6px;
    font-size:13px;
    padding:7px 14px;
    border:1px solid var(--m18-line-2);
    background:var(--m18-card);
    color:var(--m18-ink);
    font-weight:500;
    letter-spacing:.03em;
    transition:border-color .15s,color .15s;
}
.m18-pill:hover{border-color:var(--m18-yellow-d);color:var(--m18-yellow-d)}

/* ──── 区块 ──── */
.m18-section{padding:60px 0;position:relative}
.m18-section-h{
    display:flex;align-items:flex-end;justify-content:space-between;
    margin-bottom:32px;border-bottom:1px solid var(--m18-line);padding-bottom:16px;
    gap:24px;flex-wrap:wrap;
}
.m18-section-h h2{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:700;
    font-size:34px;
    color:var(--m18-ink);
    letter-spacing:.01em;
    line-height:1.05;
    text-transform:uppercase;
    display:flex;align-items:baseline;gap:14px;
}
.m18-section-h h2 .num{
    font-size:20px;
    color:var(--m18-yellow-d);
    border-bottom:3px solid var(--m18-yellow);
    padding:0 2px 2px;
    line-height:1;
}
.m18-section-h h2 small{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-size:13px;
    font-weight:500;
    color:var(--m18-ink-3);
    letter-spacing:.1em;
    text-transform:uppercase;
    margin-left:8px;
}
.m18-section-h .more{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:500;
    font-size:14px;
    letter-spacing:.06em;
    border:1px solid var(--m18-line-2);
    padding:7px 14px;
    background:var(--m18-card);
    color:var(--m18-ink);
    transition:border-color .15s,color .15s;
    text-transform:uppercase;
}
.m18-section-h .more:hover{border-color:var(--m18-yellow-d);color:var(--m18-yellow-d)}

/* ──── 主推产品大卡 ──── */
.m18-top-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:22px;
}
.m18-top-card{
    background:var(--m18-card);
    border:1px solid var(--m18-line);
    box-shadow:var(--m18-shadow);
    display:flex;flex-direction:column;
    transition:border-color .18s,box-shadow .18s;
    position:relative;
}
.m18-top-card:hover{border-color:var(--m18-line-2);box-shadow:0 4px 16px rgba(31,34,36,.10)}
.m18-top-card .ribbon{
    position:absolute;top:12px;left:12px;z-index:2;
    background:var(--m18-yellow);
    color:var(--m18-ink);
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:500;
    font-size:12px;
    letter-spacing:.08em;
    padding:4px 10px;
    text-transform:uppercase;
}
.m18-top-card .img{
    aspect-ratio:4/3;
    overflow:hidden;
    background:var(--m18-bg-2);
    border-bottom:1px solid var(--m18-line);
    position:relative;
}
.m18-top-card .img img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.m18-top-card:hover .img img{transform:scale(1.03)}
.m18-top-card .body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1;gap:10px}
.m18-top-card .body .title{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:500;
    font-size:18px;
    line-height:1.25;
    color:var(--m18-ink);
    letter-spacing:.01em;
    min-height:46px;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.m18-top-card .body .bm{
    display:flex;gap:10px;flex-wrap:wrap;
    font-size:11px;
    color:var(--m18-ink-2);
    text-transform:uppercase;
    letter-spacing:.06em;
}
.m18-top-card .body .bm span{
    border:1px solid var(--m18-line);
    padding:3px 8px;
    background:var(--m18-bg-3);
}
.m18-top-card .body .bm strong{
    color:var(--m18-ink);
    font-weight:600;
    margin-left:4px;
}
.m18-top-card .body .price-row{
    display:flex;align-items:baseline;justify-content:space-between;
    border-top:1px solid var(--m18-line);
    padding-top:12px;
    margin-top:auto;
}
.m18-top-card .body .price{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:700;
    font-size:24px;
    color:var(--m18-yellow-d);
    letter-spacing:.01em;
}
.m18-top-card .body .price small{font-size:12px;color:var(--m18-ink-3);font-weight:400;letter-spacing:.06em;text-transform:uppercase;margin-left:4px}
.m18-top-card .body .moq{
    font-size:11px;
    color:var(--m18-ink-2);
    letter-spacing:.06em;
    text-transform:uppercase;
}
.m18-top-card .body .moq b{color:var(--m18-ink);font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;font-size:14px;font-weight:600}
.m18-top-card .body .inquiry{
    margin-top:6px;
}
.m18-top-card .body .inquiry .m18-btn{width:100%;justify-content:center}

/* ──── 紧凑产品网格 ──── */
.m18-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:14px;
}
.m18-card{
    background:var(--m18-card);
    border:1px solid var(--m18-line);
    box-shadow:var(--m18-shadow);
    display:flex;flex-direction:column;
    transition:border-color .15s,box-shadow .15s;
}
.m18-card:hover{border-color:var(--m18-line-2);box-shadow:0 3px 12px rgba(31,34,36,.09)}
.m18-card .img{aspect-ratio:1/1;overflow:hidden;background:var(--m18-bg-2);border-bottom:1px solid var(--m18-line)}
.m18-card .img img{width:100%;height:100%;object-fit:cover}
.m18-card .body{padding:11px 12px 13px;display:flex;flex-direction:column;gap:6px;flex:1}
.m18-card .title{
    font-size:13px;
    color:var(--m18-ink);
    line-height:1.4;
    font-weight:500;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    min-height:36px;
}
.m18-card-spec{
    display:flex;flex-wrap:wrap;gap:4px 10px;
    font-size:11px;color:var(--m18-ink-3);letter-spacing:.02em;
}
.m18-card .meta{
    display:flex;align-items:center;justify-content:space-between;
    margin-top:auto;
    border-top:1px solid var(--m18-line);
    padding-top:7px;
}
.m18-card .price{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:700;
    font-size:17px;
    color:var(--m18-yellow-d);
    letter-spacing:.01em;
}
.m18-card .tag{
    font-size:10px;
    background:var(--m18-yellow-pale);
    border:1px solid var(--m18-yellow);
    color:var(--m18-yellow-d);
    padding:2px 6px;
    text-transform:uppercase;
    letter-spacing:.06em;
}

/* ──── 询价 CTA 条 ──── */
.m18-cta-strip{
    background:var(--m18-ink);
    color:var(--m18-bg);
    padding:34px 0;
    border-top:3px solid var(--m18-yellow);
    position:relative;
}
.m18-cta-strip .row{
    display:grid;
    grid-template-columns:1.5fr auto auto;
    gap:32px;align-items:center;
}
.m18-cta-strip h3{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:700;
    font-size:30px;
    letter-spacing:.01em;
    text-transform:uppercase;
    color:#fff;
    line-height:1.1;
    margin-bottom:8px;
}
.m18-cta-strip p{font-size:13px;color:var(--m18-bg-2);letter-spacing:.03em}
.m18-cta-strip .phone{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:700;
    font-size:28px;
    color:var(--m18-yellow);
    letter-spacing:.02em;
    line-height:1;
}
.m18-cta-strip .phone small{display:block;font-size:11px;color:var(--m18-bg-2);letter-spacing:.12em;text-transform:uppercase;margin-bottom:4px}

/* ──── 关于摘要 ──── */
.m18-about{
    background:var(--m18-card);
    border-top:1px solid var(--m18-line);
    border-bottom:1px solid var(--m18-line);
}
.m18-about-grid{
    display:grid;
    grid-template-columns:1fr 1.3fr;
    gap:48px;
    align-items:center;
    padding:60px 0;
}
.m18-about-img{
    border:1px solid var(--m18-line);
    padding:6px;
    background:var(--m18-bg-3);
    box-shadow:var(--m18-shadow);
    aspect-ratio:4/3;
    overflow:hidden;
}
.m18-about-img img{width:100%;height:100%;object-fit:cover;display:block}
.m18-about-text h2{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:700;
    font-size:34px;
    color:var(--m18-ink);
    letter-spacing:.01em;
    text-transform:uppercase;
    margin-bottom:18px;
    border-bottom:3px solid var(--m18-yellow);
    padding-bottom:10px;
    display:inline-block;
}
.m18-about-text p{font-size:15px;color:var(--m18-ink-2);line-height:1.85;margin-bottom:18px}

/* ──── 通用排版(prose) ──── */
.m18-prose{
    color:var(--m18-ink-2);
    font-size:15px;
    line-height:1.85;
    max-width:920px;
    margin:0 auto;
}
.m18-prose h1,.m18-prose h2,.m18-prose h3,.m18-prose h4{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:700;
    color:var(--m18-ink);
    letter-spacing:.01em;
    margin:28px 0 14px;
    text-transform:uppercase;
    border-left:4px solid var(--m18-yellow);
    padding-left:12px;
}
.m18-prose h1{font-size:32px}
.m18-prose h2{font-size:26px}
.m18-prose h3{font-size:21px}
.m18-prose p{margin:0 0 16px}
.m18-prose ul,.m18-prose ol{margin:0 0 16px 22px}
.m18-prose ul li,.m18-prose ol li{margin:6px 0}
.m18-prose img{margin:18px 0;border:1px solid var(--m18-line)}
.m18-prose a{color:var(--m18-yellow-d);border-bottom:1px solid var(--m18-yellow)}
.m18-prose strong{color:var(--m18-ink);font-weight:700}
.m18-prose blockquote{
    border-left:4px solid var(--m18-yellow);
    padding:8px 18px;
    background:var(--m18-bg-3);
    margin:18px 0;
    color:var(--m18-ink);
}
.m18-prose table{width:100%;border-collapse:collapse;border:1px solid var(--m18-line);margin:18px 0}
.m18-prose th,.m18-prose td{border:1px solid var(--m18-line);padding:8px 12px;font-size:14px}
.m18-prose th{background:var(--m18-bg-2);color:var(--m18-ink);font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;font-weight:700;letter-spacing:.06em;text-transform:uppercase}

/* ──── 产品列表(supply.html.twig) ──── */
.m18-layout{display:grid;grid-template-columns:280px 1fr;gap:24px;align-items:flex-start}
.m18-side{display:flex;flex-direction:column;gap:18px}
.m18-side-card{
    background:var(--m18-card);
    border:1px solid var(--m18-line);
    box-shadow:var(--m18-shadow);
}
.m18-side-card h3{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:700;
    font-size:18px;
    letter-spacing:.06em;
    color:#fff;
    background:var(--m18-ink);
    padding:11px 14px;
    text-transform:uppercase;
    display:flex;align-items:center;gap:8px;
}
.m18-side-list{padding:6px 0}
.m18-side-list li{border-bottom:1px solid var(--m18-line)}
.m18-side-list li:last-child{border-bottom:none}
.m18-side-list a{
    display:block;
    padding:10px 14px;
    font-size:13px;
    color:var(--m18-ink);
    letter-spacing:.02em;
    transition:background .15s,color .15s;
    position:relative;
}
.m18-side-list a::before{
    content:"›";color:var(--m18-ink-3);font-weight:700;margin-right:8px;
}
.m18-side-list a:hover{background:var(--m18-bg-3);color:var(--m18-yellow-d)}
.m18-side-list a.is-active,
.m18-side-list a.is-on{background:var(--m18-bg-3);color:var(--m18-yellow-d);font-weight:600;box-shadow:inset 3px 0 0 var(--m18-yellow)}

.m18-side-tel{padding:14px}
.m18-side-tel h3{margin:-14px -14px 14px}
.m18-side-tel small{display:block;font-weight:500;letter-spacing:.1em;font-size:11px;color:var(--m18-ink-3);margin-bottom:4px;text-transform:uppercase}
.m18-side-tel strong,
.m18-side-tel .tel{display:block;font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;font-weight:700;font-size:22px;color:var(--m18-ink);letter-spacing:.02em;margin-bottom:10px}
.m18-side-tel p{font-size:12.5px;color:var(--m18-ink-2);margin-bottom:12px;line-height:1.6}

/* ──── 产品详情 ──── */
.m18-prod-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:flex-start}
.m18-prod-img{
    border:1px solid var(--m18-line);
    background:var(--m18-card);
    padding:8px;
    box-shadow:var(--m18-shadow);
    position:relative;
}
.m18-prod-img img{width:100%;display:block;aspect-ratio:1/1;object-fit:cover}
.m18-prod-img .stamp{
    position:absolute;top:14px;right:14px;
    background:var(--m18-yellow);color:var(--m18-ink);
    padding:6px 12px;
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:500;
    letter-spacing:.08em;
    font-size:12px;
    text-transform:uppercase;
}
.m18-prod-info h1{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:700;
    font-size:32px;
    line-height:1.15;
    color:var(--m18-ink);
    letter-spacing:.01em;
    margin-bottom:14px;
    text-transform:uppercase;
}
.m18-prod-price{
    background:var(--m18-bg-3);
    color:var(--m18-ink);
    padding:18px 22px;
    margin-bottom:22px;
    border:1px solid var(--m18-line);
    border-left:4px solid var(--m18-yellow);
    display:flex;align-items:baseline;gap:6px;flex-wrap:wrap;
}
.m18-prod-price .cur{font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;font-weight:700;font-size:22px;color:var(--m18-yellow-d)}
.m18-prod-price .num{font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;font-weight:700;font-size:40px;letter-spacing:.01em;line-height:1;color:var(--m18-yellow-d)}
.m18-prod-price .unit{font-size:14px;color:var(--m18-ink-3);margin-left:4px;letter-spacing:.06em}
.m18-prod-price .moq{font-size:12px;letter-spacing:.1em;color:var(--m18-ink-2);text-transform:uppercase;margin-left:auto}
.m18-prod-price .moq b{color:var(--m18-ink);font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;font-size:18px;font-weight:700;margin-left:4px}

.m18-prod-attrs{
    border:1px solid var(--m18-line);
    background:var(--m18-card);
    box-shadow:var(--m18-shadow);
    margin-bottom:22px;
}
.m18-prod-attrs dt,
.m18-prod-attrs dd{padding:11px 16px;font-size:14px}
.m18-prod-attrs dt{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:500;
    letter-spacing:.06em;
    background:var(--m18-bg-3);
    color:var(--m18-ink-2);
    border-right:1px solid var(--m18-line);
    text-transform:uppercase;
    font-size:13px;
}
.m18-prod-attrs dd{color:var(--m18-ink);font-weight:500}
.m18-prod-attrs dd a{color:var(--m18-yellow-d);border-bottom:1px solid var(--m18-yellow)}
.m18-prod-attrs{display:grid;grid-template-columns:auto 1fr}
.m18-prod-attrs dt,.m18-prod-attrs dd{border-bottom:1px solid var(--m18-line)}
.m18-prod-attrs > *:nth-last-child(-n+2){border-bottom:none}

.m18-prod-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}

/* ──── 面包屑 ──── */
.m18-crumb{
    background:var(--m18-card);
    border-bottom:1px solid var(--m18-line);
}
.m18-crumb-row{
    display:flex;align-items:center;gap:8px;
    padding:10px 0;
    font-size:12px;
    color:var(--m18-ink-2);
    text-transform:uppercase;
    letter-spacing:.06em;
}
.m18-crumb-row .sep{color:var(--m18-ink-3);font-weight:700}
.m18-crumb-row a:hover{color:var(--m18-yellow-d);text-decoration:underline}

/* ──── 联系我们 ──── */
.m18-contact-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:28px;align-items:flex-start}
.m18-contact-card{
    background:var(--m18-card);
    border:1px solid var(--m18-line);
    box-shadow:var(--m18-shadow);
    padding:32px;
}
.m18-contact-card h3{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:700;
    font-size:20px;
    background:var(--m18-ink);
    color:#fff;
    padding:12px 18px;
    letter-spacing:.06em;
    text-transform:uppercase;
}
.m18-contact-card dl{display:grid;grid-template-columns:120px 1fr}
.m18-contact-card dt,
.m18-contact-card dd{padding:11px 18px;font-size:14px;border-bottom:1px solid var(--m18-line)}
.m18-contact-card dt{
    background:var(--m18-bg-3);
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:500;
    letter-spacing:.06em;
    color:var(--m18-ink-2);
    border-right:1px solid var(--m18-line);
    text-transform:uppercase;
    font-size:13px;
}
.m18-contact-card dd{color:var(--m18-ink);font-weight:500;word-break:break-all}
.m18-contact-card dl > *:nth-last-child(-n+2){border-bottom:none}
.m18-contact-card a{color:var(--m18-yellow-d);border-bottom:1px solid var(--m18-yellow)}

.m18-qr-card{
    background:var(--m18-card);
    border:1px solid var(--m18-line);
    box-shadow:var(--m18-shadow);
    padding:28px;
    text-align:center;
}
.m18-qr-card img{width:200px;height:200px;margin:8px auto;border:1px solid var(--m18-line)}
.m18-qr-card .small{font-size:12px;color:var(--m18-ink-3);text-transform:uppercase;letter-spacing:.08em;margin-top:8px}

/* ──── 新闻列表 ──── */
.m18-news-list{display:flex;flex-direction:column;gap:14px}
.m18-news-list li{
    background:var(--m18-card);
    border:1px solid var(--m18-line);
    box-shadow:var(--m18-shadow);
    padding:18px 22px;
    transition:border-color .15s,box-shadow .15s;
    position:relative;
}
.m18-news-list li:hover{border-color:var(--m18-line-2);box-shadow:0 3px 12px rgba(31,34,36,.09)}
.m18-news-list li::before{
    content:"";position:absolute;top:0;left:0;width:3px;height:100%;background:var(--m18-yellow);
}
.m18-news-list a{
    display:block;
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:500;
    font-size:20px;
    color:var(--m18-ink);
    letter-spacing:.01em;
    margin-bottom:8px;
}
.m18-news-list a:hover{color:var(--m18-yellow-d)}
.m18-news-list .date{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:500;
    font-size:13px;
    color:var(--m18-ink-3);
    letter-spacing:.1em;
    text-transform:uppercase;
}
.m18-news-list .summary{font-size:14px;color:var(--m18-ink-2);margin-top:8px;line-height:1.7}

/* ──── 分页 ──── */
.m18-pager{margin-top:32px;display:flex;justify-content:center}
.m18-pager .pagination{display:flex;gap:6px;list-style:none;flex-wrap:wrap}
.m18-pager .pagination li a,
.m18-pager .pagination li span{
    display:inline-block;
    padding:7px 13px;
    border:1px solid var(--m18-line-2);
    background:var(--m18-card);
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:500;
    font-size:14px;
    letter-spacing:.04em;
    color:var(--m18-ink);
}
.m18-pager .pagination li.current span,
.m18-pager .pagination li.active a{background:var(--m18-yellow);border-color:var(--m18-yellow);color:var(--m18-ink)}
.m18-pager .pagination li a:hover{border-color:var(--m18-yellow-d);color:var(--m18-yellow-d)}

/* ──── 网站地图 ──── */
.m18-sitemap a{
    transition:background .15s,color .15s,border-color .15s;
}
.m18-sitemap a::before{content:"›";color:var(--m18-ink-3);font-weight:700;margin-right:6px}
.m18-sitemap a:hover{background:var(--m18-bg-3);color:var(--m18-yellow-d);border-color:var(--m18-yellow-d)}

/* ──── 页脚 ──── */
.m18-footer{
    background:var(--m18-ink);
    color:var(--m18-bg-2);
    padding:36px 0 22px;
    border-top:3px solid var(--m18-yellow);
}
.m18-footer .top{
    display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;
    border-bottom:1px solid rgba(255,255,255,.08);
    padding-bottom:24px;margin-bottom:18px;
}
.m18-footer h4{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:700;
    font-size:17px;
    color:var(--m18-yellow);
    letter-spacing:.1em;
    text-transform:uppercase;
    margin-bottom:14px;
}
.m18-footer .links a{
    display:block;
    font-size:13px;
    color:var(--m18-bg-2);
    padding:4px 0;
}
.m18-footer .links a:hover{color:var(--m18-yellow)}
.m18-footer .brand-line{
    font-family:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
    font-weight:700;
    font-size:22px;
    color:#fff;
    letter-spacing:.02em;
    margin-bottom:8px;
    text-transform:uppercase;
}
.m18-footer p{font-size:13px;color:var(--m18-ink-3);line-height:1.8}
.m18-footer .copy{
    text-align:center;
    font-size:12px;
    color:var(--m18-ink-3);
    text-transform:uppercase;
    letter-spacing:.08em;
}
.m18-footer .copy a{color:var(--m18-yellow)}

/* ──── 响应式 ──── */
@media (max-width:1024px){
    .m18-shell{padding:0 18px}
    .m18-hero h1{font-size:50px}
    .m18-hero-grid{grid-template-columns:1fr;gap:32px;padding:48px 0}
    .m18-top-grid{grid-template-columns:repeat(2,1fr)}
    .m18-grid{grid-template-columns:repeat(3,1fr)}
    .m18-specs{grid-template-columns:repeat(2,1fr)}
    .m18-prod-grid{grid-template-columns:1fr}
    .m18-about-grid{grid-template-columns:1fr;gap:32px;padding:48px 0}
    .m18-layout{grid-template-columns:1fr}
    .m18-contact-grid{grid-template-columns:1fr}
    .m18-cta-strip .row{grid-template-columns:1fr}
    .m18-footer .top{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
    .m18-hero h1{font-size:38px}
    .m18-hero-tag{font-size:12px}
    .m18-mast-row{grid-template-columns:1fr;gap:14px}
    .m18-mast-cta{align-self:flex-start}
    .m18-nav-inner{flex-direction:row;flex-wrap:wrap}
    .m18-nav-inner a{flex:1 0 33%;font-size:13px;padding:12px 6px;letter-spacing:.06em}
    .m18-section-h h2{font-size:26px}
    .m18-section-h{flex-direction:column;align-items:flex-start}
    .m18-top-grid{grid-template-columns:1fr}
    .m18-grid{grid-template-columns:repeat(2,1fr)}
    .m18-specs{grid-template-columns:repeat(2,1fr)}
    .m18-cta-strip h3{font-size:24px}
    .m18-cta-strip .phone{font-size:22px}
    .m18-pills-strip .label{border-right:none;padding-right:0}
    .m18-section{padding:44px 0}
    .m18-footer .top{grid-template-columns:1fr;gap:24px}
    .m18-prod-attrs dt{font-size:11px}
    .m18-contact-card dl{grid-template-columns:90px 1fr}
}
@media (max-width:480px){
    .m18-shell{padding:0 14px}
    .m18-hero h1{font-size:32px}
    .m18-hero-grid{padding:36px 0 40px}
    .m18-hero-cta{gap:10px}
    .m18-hero-cta .m18-btn{flex:1 1 100%;justify-content:center}
    .m18-nav-inner a{flex:1 0 50%;font-size:12px;letter-spacing:.04em}
    .m18-section{padding:34px 0}
    .m18-grid{gap:10px}
    .m18-card .body{padding:10px 10px 11px}
}

/* === nav-fill 铺满 === */
.m18-nav-inner{display:flex;width:100%;flex-wrap:nowrap}
.m18-nav-inner>a{flex:1 1 0;min-width:0;text-align:center;justify-content:center;white-space:nowrap}