/* ==============================================================
   m18 · Heavy Machinery —— 重型机械皮肤
   caterpillar / komatsu / 钢厂工业风
   steel gray + safety yellow + black structural
   ============================================================== */

:root{
    --m18-bg:        #e8e8e8;          /* 钢板灰 */
    --m18-bg-2:      #d0d0d0;          /* 暗钢 */
    --m18-bg-3:      #f4f4f4;          /* 高光 */
    --m18-card:      #ffffff;
    --m18-ink:       #1a1a1a;          /* 钢印黑 */
    --m18-ink-2:     #4a4a4a;
    --m18-ink-3:     #7a7a7a;
    --m18-line:      #b0b0b0;
    --m18-line-2:    #1a1a1a;          /* 结构边 */
    --m18-yellow:    #ffd700;          /* 安全黄 / Caterpillar */
    --m18-yellow-d:  #d4a900;          /* 阴影黄 */
    --m18-black:     #000000;
    --m18-red:       #c81e1e;          /* 警示红 */
    --m18-shell:     1240px;
    --m18-rivet:     #5a5a5a;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{
    background:var(--m18-bg);
    color:var(--m18-ink);
    font-family:'Oswald','Arial Narrow',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}

/* ──── 危险/警示斜线条纹 ──── */
.m18-hazard{
    height:14px;
    background:repeating-linear-gradient(
        135deg,
        var(--m18-yellow) 0 16px,
        var(--m18-black) 16px 32px
    );
    border-top:2px solid var(--m18-black);
    border-bottom:2px solid var(--m18-black);
}
.m18-hazard-thin{height:8px;border-top-width:1px;border-bottom-width:1px}

/* ──── 顶部信任栏 ──── */
.m18-trust{
    background:var(--m18-black);
    color:var(--m18-bg);
    font-size:12px;
    letter-spacing:.05em;
    padding:8px 0;
    border-bottom:3px 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;
    text-transform:uppercase;
    font-family:'Bebas Neue',sans-serif;
    letter-spacing:.12em;
    font-size:13px;
}
.m18-trust .badge .dot{
    width:8px;height:8px;background:var(--m18-yellow);
    box-shadow:0 0 0 1px var(--m18-black) inset;
}
.m18-trust a{color:var(--m18-yellow)}
.m18-trust a:hover{text-decoration:underline}

/* ──── 头部 ──── */
.m18-mast{background:var(--m18-bg-3);border-bottom:4px solid var(--m18-black)}
.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:64px;height:64px;
    border:2px solid var(--m18-black);
    background:var(--m18-card);
    object-fit:contain;
    padding:6px;
    box-shadow:inset 0 0 0 2px var(--m18-bg-3);
}
.m18-brand-text .h1{
    font-family:'Bebas Neue',sans-serif;
    font-size:28px;
    line-height:1;
    color:var(--m18-black);
    letter-spacing:.04em;
    display:block;
}
.m18-brand-text p{
    font-size:12px;
    color:var(--m18-ink-2);
    text-transform:uppercase;
    letter-spacing:.12em;
    margin-top:6px;
    max-width:520px;
}

.m18-mast-cta{
    border:2px solid var(--m18-black);
    background:var(--m18-yellow);
    padding:10px 18px;
    position:relative;
    box-shadow:4px 4px 0 var(--m18-black);
}
.m18-mast-cta small{
    display:block;
    font-family:'Bebas Neue',sans-serif;
    letter-spacing:.18em;
    font-size:11px;
    color:var(--m18-black);
    margin-bottom:2px;
}
.m18-mast-cta strong{
    display:block;
    font-family:'Bebas Neue',sans-serif;
    font-size:24px;
    color:var(--m18-black);
    letter-spacing:.05em;
}

/* ──── 导航 ──── */
.m18-nav{background:var(--m18-black);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:'Bebas Neue',sans-serif;
    font-size:18px;
    letter-spacing:.18em;
    padding:16px 14px;
    border-right:1px solid #2a2a2a;
    text-transform:uppercase;
    transition:background .18s,color .18s;
    position:relative;
}
.m18-nav-inner a:hover{background:#1d1d1d;color:var(--m18-yellow)}
.m18-nav-inner a.is-active{
    background:var(--m18-yellow);
    color:var(--m18-black);
}
.m18-nav-inner a.is-active::after{
    content:"";
    position:absolute;left:0;right:0;bottom:-3px;height:3px;
    background:var(--m18-black);
}

/* ──── 首页英雄 ──── */
.m18-hero{
    background:var(--m18-bg-2);
    border-bottom:3px solid var(--m18-black);
    position:relative;
    overflow:hidden;
}
.m18-hero::before{
    content:"";
    position:absolute;inset:0;
    background:
        repeating-linear-gradient(0deg,transparent 0 23px,rgba(0,0,0,.04) 23px 24px),
        repeating-linear-gradient(90deg,transparent 0 23px,rgba(0,0,0,.04) 23px 24px);
    pointer-events:none;
}
.m18-hero-grid{
    display:grid;
    grid-template-columns:1.3fr 1fr;
    gap:48px;
    align-items:center;
    padding:60px 0 70px;
    position:relative;
}
.m18-hero-tag{
    display:inline-flex;align-items:center;gap:10px;
    font-family:'Bebas Neue',sans-serif;
    font-size:14px;
    letter-spacing:.2em;
    background:var(--m18-yellow);
    border:2px solid var(--m18-black);
    color:var(--m18-black);
    padding:6px 14px;
    margin-bottom:24px;
    box-shadow:3px 3px 0 var(--m18-black);
}
.m18-hero-tag::before{content:"▸";font-size:14px}
.m18-hero h1{
    font-family:'Bebas Neue',sans-serif;
    font-size:78px;
    line-height:.96;
    color:var(--m18-black);
    letter-spacing:.01em;
    margin-bottom:18px;
    text-transform:uppercase;
}
.m18-hero h1 em{
    font-style:normal;
    background:var(--m18-yellow);
    color:var(--m18-black);
    padding:0 12px;
    box-shadow:4px 4px 0 var(--m18-black);
    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:40px}

.m18-hero-img{
    position:relative;
    border:2px solid var(--m18-black);
    background:var(--m18-card);
    padding:8px;
    box-shadow:8px 8px 0 var(--m18-black);
}
.m18-hero-img::before{
    content:"";
    position:absolute;
    top:6px;left:6px;right:6px;bottom:6px;
    border:2px solid var(--m18-black);
    pointer-events:none;
}
.m18-hero-img img{
    width:100%;
    height:340px;
    object-fit:cover;
    display:block;
}
.m18-hero-img .stamp{
    position:absolute;
    top:-18px;right:-18px;
    background:var(--m18-yellow);
    border:2px solid var(--m18-black);
    padding:8px 14px;
    font-family:'Bebas Neue',sans-serif;
    letter-spacing:.15em;
    transform:rotate(8deg);
    box-shadow:3px 3px 0 var(--m18-black);
    font-size:14px;
}

/* ──── 铆钉装饰角(钢板感) ──── */
.m18-rivet{position:relative}
.m18-rivet::before,.m18-rivet::after,
.m18-rivet > .rv-c{
    content:"";position:absolute;width:7px;height:7px;border-radius:50%;
    background:radial-gradient(circle at 30% 30%,#9a9a9a 0,#3a3a3a 60%,#1a1a1a 100%);
    box-shadow:0 0 0 1px var(--m18-black);
}
.m18-rivet::before{top:8px;left:8px}
.m18-rivet::after{top:8px;right:8px}
.m18-rivet .rv-bl{position:absolute;bottom:8px;left:8px;width:7px;height:7px;border-radius:50%;background:radial-gradient(circle at 30% 30%,#9a9a9a 0,#3a3a3a 60%,#1a1a1a 100%);box-shadow:0 0 0 1px var(--m18-black)}
.m18-rivet .rv-br{position:absolute;bottom:8px;right:8px;width:7px;height:7px;border-radius:50%;background:radial-gradient(circle at 30% 30%,#9a9a9a 0,#3a3a3a 60%,#1a1a1a 100%);box-shadow:0 0 0 1px var(--m18-black)}

/* ──── 按钮 ──── */
.m18-btn{
    display:inline-flex;align-items:center;gap:8px;
    font-family:'Bebas Neue',sans-serif;
    font-size:17px;
    letter-spacing:.16em;
    padding:12px 22px;
    border:2px solid var(--m18-black);
    text-transform:uppercase;
    cursor:pointer;
    transition:transform .14s,box-shadow .14s;
    box-shadow:4px 4px 0 var(--m18-black);
}
.m18-btn:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--m18-black)}
.m18-btn:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--m18-black)}
.m18-btn-primary{background:var(--m18-yellow);color:var(--m18-black)}
.m18-btn-dark{background:var(--m18-black);color:var(--m18-yellow)}
.m18-btn-outline{background:var(--m18-card);color:var(--m18-black)}

.m18-btn-sm{font-size:13px;padding:7px 14px;letter-spacing:.12em;box-shadow:3px 3px 0 var(--m18-black)}
.m18-btn-sm:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--m18-black)}

/* ──── 数据/规格条(技术尺寸线感) ──── */
.m18-specs{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    border:2px solid var(--m18-black);
    background:var(--m18-card);
    box-shadow:5px 5px 0 var(--m18-black);
}
.m18-specs .item{
    padding:16px 18px;
    border-right:1px solid var(--m18-line);
    position:relative;
}
.m18-specs .item:last-child{border-right:none}
.m18-specs .item::after{
    content:"";
    position:absolute;
    top:6px;bottom:6px;right:0;
    border-left:1px dashed var(--m18-ink-3);
}
.m18-specs .item:last-child::after{display:none}
.m18-specs strong{
    font-family:'Bebas Neue',sans-serif;
    font-size:32px;
    color:var(--m18-black);
    letter-spacing:.04em;
    line-height:1;
    display:block;
    margin-bottom:6px;
}
.m18-specs span{
    font-size:11px;
    text-transform:uppercase;
    letter-spacing:.18em;
    color:var(--m18-ink-2);
}

/* ──── 分类快捷胶囊 ──── */
.m18-pills-strip{
    background:var(--m18-card);
    border-top:3px solid var(--m18-black);
    border-bottom:3px solid var(--m18-black);
    padding:18px 0;
}
.m18-pills-strip .row{
    display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.m18-pills-strip .label{
    font-family:'Bebas Neue',sans-serif;
    font-size:18px;
    letter-spacing:.18em;
    color:var(--m18-black);
    border-right:2px solid var(--m18-black);
    padding-right:16px;
    margin-right:4px;
}
.m18-pill{
    display:inline-flex;align-items:center;gap:6px;
    font-size:13px;
    padding:7px 14px;
    border:2px solid var(--m18-black);
    background:var(--m18-bg-3);
    color:var(--m18-black);
    font-weight:500;
    text-transform:uppercase;
    letter-spacing:.05em;
    transition:background .18s;
}
.m18-pill::before{content:"⬢";font-size:10px;color:var(--m18-yellow-d)}
.m18-pill:hover{background:var(--m18-yellow)}

/* ──── 区块 ──── */
.m18-section{padding:64px 0;position:relative}
.m18-section-h{
    display:flex;align-items:flex-end;justify-content:space-between;
    margin-bottom:36px;border-bottom:3px solid var(--m18-black);padding-bottom:18px;
    gap:24px;flex-wrap:wrap;
}
.m18-section-h h2{
    font-family:'Bebas Neue',sans-serif;
    font-size:46px;
    color:var(--m18-black);
    letter-spacing:.04em;
    line-height:1;
    text-transform:uppercase;
    display:flex;align-items:baseline;gap:14px;
}
.m18-section-h h2 .num{
    font-size:28px;
    background:var(--m18-yellow);
    border:2px solid var(--m18-black);
    padding:2px 10px;
    box-shadow:3px 3px 0 var(--m18-black);
    line-height:1;
}
.m18-section-h h2 small{
    font-family:'Oswald',sans-serif;
    font-size:13px;
    font-weight:500;
    color:var(--m18-ink-3);
    letter-spacing:.18em;
    text-transform:uppercase;
    margin-left:8px;
}
.m18-section-h .more{
    font-family:'Bebas Neue',sans-serif;
    font-size:16px;
    letter-spacing:.16em;
    border:2px solid var(--m18-black);
    padding:6px 14px;
    background:var(--m18-card);
    color:var(--m18-black);
    transition:background .18s,color .18s;
    text-transform:uppercase;
}
.m18-section-h .more:hover{background:var(--m18-yellow)}

/* ──── 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:2px solid var(--m18-black);
    box-shadow:6px 6px 0 var(--m18-black);
    display:flex;flex-direction:column;
    transition:transform .18s,box-shadow .18s;
    position:relative;
}
.m18-top-card:hover{transform:translate(-3px,-3px);box-shadow:9px 9px 0 var(--m18-black)}
.m18-top-card .ribbon{
    position:absolute;top:14px;left:-6px;z-index:2;
    background:var(--m18-yellow);
    color:var(--m18-black);
    border:2px solid var(--m18-black);
    font-family:'Bebas Neue',sans-serif;
    font-size:13px;
    letter-spacing:.18em;
    padding:4px 12px 4px 14px;
    text-transform:uppercase;
}
.m18-top-card .ribbon::before{
    content:"";position:absolute;left:0;bottom:-6px;
    border-top:6px solid #6a5800;
    border-left:6px solid transparent;
}
.m18-top-card .img{
    aspect-ratio:4/3;
    overflow:hidden;
    background:var(--m18-bg-2);
    border-bottom:2px solid var(--m18-black);
    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(1.04)}
.m18-top-card .img::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:4px;
    background:repeating-linear-gradient(135deg,var(--m18-yellow) 0 6px,var(--m18-black) 6px 12px);
}
.m18-top-card .body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1;gap:10px}
.m18-top-card .body .title{
    font-family:'Bebas Neue',sans-serif;
    font-size:22px;
    line-height:1.15;
    color:var(--m18-black);
    letter-spacing:.02em;
    text-transform:uppercase;
    min-height:50px;
    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:.1em;
}
.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-black);
    font-weight:600;
    margin-left:4px;
}
.m18-top-card .body .price-row{
    display:flex;align-items:baseline;justify-content:space-between;
    border-top:1px dashed var(--m18-line-2);
    padding-top:12px;
    margin-top:auto;
}
.m18-top-card .body .price{
    font-family:'Bebas Neue',sans-serif;
    font-size:26px;
    color:var(--m18-black);
    letter-spacing:.02em;
}
.m18-top-card .body .price small{font-size:12px;color:var(--m18-ink-3);font-weight:400;letter-spacing:.1em;text-transform:uppercase;margin-left:4px}
.m18-top-card .body .moq{
    font-size:11px;
    color:var(--m18-ink-2);
    letter-spacing:.1em;
    text-transform:uppercase;
}
.m18-top-card .body .moq b{color:var(--m18-black);font-family:'Bebas Neue',sans-serif;font-size:14px;font-weight:400}
.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:2px solid var(--m18-black);
    box-shadow:3px 3px 0 var(--m18-black);
    display:flex;flex-direction:column;
    transition:transform .15s,box-shadow .15s;
}
.m18-card:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--m18-black)}
.m18-card .img{aspect-ratio:1/1;overflow:hidden;background:var(--m18-bg-2);border-bottom:2px solid var(--m18-black)}
.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-black);
    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 .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:'Bebas Neue',sans-serif;
    font-size:18px;
    color:var(--m18-black);
    letter-spacing:.02em;
}
.m18-card .tag{
    font-size:10px;
    background:var(--m18-yellow);
    border:1px solid var(--m18-black);
    padding:1px 6px;
    text-transform:uppercase;
    letter-spacing:.1em;
}

/* ──── 询价 CTA 条 ──── */
.m18-cta-strip{
    background:var(--m18-black);
    color:var(--m18-bg);
    padding:34px 0;
    border-top:6px solid var(--m18-yellow);
    border-bottom:6px solid var(--m18-yellow);
    position:relative;
}
.m18-cta-strip::before,
.m18-cta-strip::after{
    content:"";position:absolute;left:0;right:0;height:8px;
    background:repeating-linear-gradient(135deg,var(--m18-yellow) 0 14px,var(--m18-black) 14px 28px);
}
.m18-cta-strip::before{top:-14px}
.m18-cta-strip::after{bottom:-14px}
.m18-cta-strip .row{
    display:grid;
    grid-template-columns:1.5fr auto auto;
    gap:32px;align-items:center;
}
.m18-cta-strip h3{
    font-family:'Bebas Neue',sans-serif;
    font-size:38px;
    letter-spacing:.04em;
    text-transform:uppercase;
    color:var(--m18-yellow);
    line-height:1;
    margin-bottom:8px;
}
.m18-cta-strip p{font-size:13px;color:var(--m18-bg-2);letter-spacing:.05em}
.m18-cta-strip .phone{
    font-family:'Bebas Neue',sans-serif;
    font-size:32px;
    color:var(--m18-yellow);
    letter-spacing:.04em;
    line-height:1;
}
.m18-cta-strip .phone small{display:block;font-size:11px;color:var(--m18-bg-2);letter-spacing:.2em;text-transform:uppercase;margin-bottom:4px}

/* ──── 关于摘要 ──── */
.m18-about{
    background:var(--m18-card);
    border-top:3px solid var(--m18-black);
    border-bottom:3px solid var(--m18-black);
}
.m18-about-grid{
    display:grid;
    grid-template-columns:1fr 1.3fr;
    gap:48px;
    align-items:center;
    padding:64px 0;
}
.m18-about-img{
    border:2px solid var(--m18-black);
    padding:6px;
    background:var(--m18-bg-3);
    box-shadow:6px 6px 0 var(--m18-black);
    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:'Bebas Neue',sans-serif;
    font-size:42px;
    color:var(--m18-black);
    letter-spacing:.04em;
    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:'Bebas Neue',sans-serif;
    color:var(--m18-black);
    letter-spacing:.04em;
    margin:28px 0 14px;
    text-transform:uppercase;
    border-left:6px solid var(--m18-yellow);
    padding-left:12px;
}
.m18-prose h1{font-size:36px}
.m18-prose h2{font-size:28px}
.m18-prose h3{font-size:22px}
.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:2px solid var(--m18-black)}
.m18-prose a{color:var(--m18-black);border-bottom:2px solid var(--m18-yellow)}
.m18-prose strong{color:var(--m18-black);font-weight:700}
.m18-prose blockquote{
    border-left:6px 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:2px solid var(--m18-black);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-black);color:var(--m18-yellow);font-family:'Bebas Neue',sans-serif;letter-spacing:.1em;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:2px solid var(--m18-black);
    box-shadow:4px 4px 0 var(--m18-black);
}
.m18-side-card h3{
    font-family:'Bebas Neue',sans-serif;
    font-size:20px;
    letter-spacing:.12em;
    color:var(--m18-yellow);
    background:var(--m18-black);
    padding:10px 14px;
    text-transform:uppercase;
    display:flex;align-items:center;gap:8px;
}
.m18-side-card h3::before{content:"▰";color:var(--m18-yellow)}
.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:.04em;
    transition:background .15s,padding .15s;
    text-transform:uppercase;
    position:relative;
}
.m18-side-list a::before{
    content:"›";color:var(--m18-yellow-d);font-weight:700;margin-right:8px;
}
.m18-side-list a:hover{background:var(--m18-yellow);padding-left:20px;color:var(--m18-black)}
.m18-side-list a.is-active{background:var(--m18-yellow);color:var(--m18-black);font-weight:600}

.m18-side-tel{padding:14px}
.m18-side-tel small{display:block;font-family:'Bebas Neue',sans-serif;letter-spacing:.18em;font-size:11px;color:var(--m18-ink-3);margin-bottom:4px;text-transform:uppercase}
.m18-side-tel strong{display:block;font-family:'Bebas Neue',sans-serif;font-size:24px;color:var(--m18-black);letter-spacing:.04em}

/* ──── 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:2px solid var(--m18-black);
    background:var(--m18-card);
    padding:8px;
    box-shadow:6px 6px 0 var(--m18-black);
    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);border:2px solid var(--m18-black);
    padding:6px 12px;
    font-family:'Bebas Neue',sans-serif;
    letter-spacing:.18em;
    font-size:13px;
    box-shadow:3px 3px 0 var(--m18-black);
    text-transform:uppercase;
}
.m18-prod-info h1{
    font-family:'Bebas Neue',sans-serif;
    font-size:36px;
    line-height:1.1;
    color:var(--m18-black);
    letter-spacing:.02em;
    margin-bottom:14px;
    text-transform:uppercase;
}
.m18-prod-price{
    background:var(--m18-black);
    color:var(--m18-yellow);
    padding:18px 22px;
    margin-bottom:22px;
    border:2px solid var(--m18-black);
    box-shadow:5px 5px 0 var(--m18-yellow-d);
    display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:8px;
}
.m18-prod-price .num{font-family:'Bebas Neue',sans-serif;font-size:42px;letter-spacing:.04em;line-height:1}
.m18-prod-price .num small{font-size:14px;color:var(--m18-bg);margin-left:8px;letter-spacing:.1em}
.m18-prod-price .moq{font-size:12px;letter-spacing:.18em;color:var(--m18-bg);text-transform:uppercase}
.m18-prod-price .moq b{color:var(--m18-yellow);font-family:'Bebas Neue',sans-serif;font-size:18px;font-weight:400;margin-left:4px}

.m18-prod-attrs{
    border:2px solid var(--m18-black);
    background:var(--m18-card);
    box-shadow:4px 4px 0 var(--m18-black);
    margin-bottom:22px;
}
.m18-prod-attrs dt,
.m18-prod-attrs dd{padding:11px 16px;font-size:14px}
.m18-prod-attrs dt{
    font-family:'Bebas Neue',sans-serif;
    letter-spacing:.14em;
    background:var(--m18-bg-3);
    color:var(--m18-ink-2);
    border-right:2px solid var(--m18-black);
    text-transform:uppercase;
    font-size:13px;
}
.m18-prod-attrs dd{color:var(--m18-black);font-weight:500}
.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:2px solid var(--m18-black);
}
.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:.1em;
}
.m18-crumb-row .sep{color:var(--m18-yellow-d);font-weight:700}
.m18-crumb-row a:hover{color:var(--m18-black);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:2px solid var(--m18-black);
    box-shadow:6px 6px 0 var(--m18-black);
    padding:0;
}
.m18-contact-card h3{
    font-family:'Bebas Neue',sans-serif;
    font-size:22px;
    background:var(--m18-black);
    color:var(--m18-yellow);
    padding:12px 18px;
    letter-spacing:.14em;
    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:'Bebas Neue',sans-serif;
    letter-spacing:.14em;
    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-black);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-black);border-bottom:2px solid var(--m18-yellow)}

.m18-qr-card{
    background:var(--m18-card);
    border:2px solid var(--m18-black);
    box-shadow:6px 6px 0 var(--m18-black);
    padding:24px;
    text-align:center;
}
.m18-qr-card img{width:200px;height:200px;margin:8px auto;border:2px solid var(--m18-black)}
.m18-qr-card .small{font-size:12px;color:var(--m18-ink-3);text-transform:uppercase;letter-spacing:.14em;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:2px solid var(--m18-black);
    box-shadow:4px 4px 0 var(--m18-black);
    padding:18px 22px;
    transition:transform .15s,box-shadow .15s;
    position:relative;
}
.m18-news-list li:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--m18-black)}
.m18-news-list li::before{
    content:"";position:absolute;top:0;left:0;width:6px;height:100%;background:var(--m18-yellow);
}
.m18-news-list a{
    display:block;
    font-family:'Bebas Neue',sans-serif;
    font-size:22px;
    color:var(--m18-black);
    letter-spacing:.04em;
    margin-bottom:8px;
    text-transform:uppercase;
}
.m18-news-list a:hover{color:var(--m18-yellow-d)}
.m18-news-list .date{
    font-family:'Bebas Neue',sans-serif;
    font-size:13px;
    color:var(--m18-ink-3);
    letter-spacing:.18em;
    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:6px 12px;
    border:2px solid var(--m18-black);
    background:var(--m18-card);
    font-family:'Bebas Neue',sans-serif;
    font-size:14px;
    letter-spacing:.1em;
    color:var(--m18-black);
    box-shadow:2px 2px 0 var(--m18-black);
}
.m18-pager .pagination li.current span,
.m18-pager .pagination li.active a{background:var(--m18-yellow)}
.m18-pager .pagination li a:hover{background:var(--m18-yellow)}

/* ──── 网站地图 ──── */
.m18-sitemap{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.m18-sitemap a{
    display:block;
    padding:9px 14px;
    font-size:13px;
    color:var(--m18-ink);
    border:1px solid var(--m18-line);
    background:var(--m18-card);
    transition:background .15s,color .15s;
}
.m18-sitemap a::before{content:"›";color:var(--m18-yellow-d);font-weight:700;margin-right:6px}
.m18-sitemap a:hover{background:var(--m18-yellow);color:var(--m18-black);border-color:var(--m18-black)}

/* ──── 页脚 ──── */
.m18-footer{
    background:var(--m18-black);
    color:var(--m18-bg-2);
    padding:36px 0 22px;
    border-top:6px solid var(--m18-yellow);
}
.m18-footer .top{
    display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;
    border-bottom:1px solid #2a2a2a;
    padding-bottom:24px;margin-bottom:18px;
}
.m18-footer h4{
    font-family:'Bebas Neue',sans-serif;
    font-size:18px;
    color:var(--m18-yellow);
    letter-spacing:.18em;
    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:'Bebas Neue',sans-serif;
    font-size:24px;
    color:var(--m18-bg);
    letter-spacing:.04em;
    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:.14em;
}
.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:60px}
    .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-specs .item:nth-child(2)::after{display:none}
    .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:44px}
    .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:14px;padding:12px 6px;letter-spacing:.1em}
    .m18-section-h h2{font-size:32px}
    .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:28px}
    .m18-cta-strip .phone{font-size:24px}
    .m18-pills-strip .label{border-right:none;padding-right:0}
    .m18-section{padding:44px 0}
    .m18-sitemap{grid-template-columns:1fr}
    .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}
}