/* ============================================================================
   m1 皮肤 · Modern Supplier —— 清爽现代旗舰 B2B 供应商目录(平台默认皮肤)
   白/浅灰底 · 圆角卡片 + 柔和阴影 · 现代网格 · 充足留白 · 克制有质感
   主色 #1d3fb8 · 强调 #ff5a2e · 中性底 #f6f8fa · 墨色 #0f1b2d
   字体:系统中文字体栈(PingFang/微软雅黑),贴近爱采购/1688,无外链、利于 CWV
   ============================================================================ */

:root{
    --m1-brand:      #1d3fb8;
    --m1-brand-dark: #16308c;
    --m1-brand-soft: #eaf0fc;
    --m1-accent:     #ff5a2e;
    --m1-accent-dk:  #e4451a;
    --m1-accent-soft:#fff0eb;
    /* 实心按钮专用深橙(白字达 WCAG AA);全局 accent 仍用亮橙做价格/文字强调 */
    --m1-cta:        #d23e10;
    --m1-cta-dk:     #b8320a;

    --m1-ink:        #0f1b2d;
    --m1-ink-2:      #3a4a60;
    --m1-ink-3:      #6b7a90;
    --m1-ink-4:      #9aa6b8;

    --m1-bg:         #f6f8fa;
    --m1-bg-2:       #eef2f6;
    --m1-surface:    #ffffff;

    --m1-line:       #e4e9f0;
    --m1-line-2:     #d4dbe6;

    --m1-success:    #1a9d6b;
    --m1-success-soft:#e6f6ef;

    --m1-radius:     10px;
    --m1-radius-sm:  8px;
    --m1-radius-lg:  16px;
    --m1-radius-pill:999px;

    --m1-shadow-xs:  0 1px 2px rgba(15,27,45,.05);
    --m1-shadow-sm:  0 2px 8px rgba(15,27,45,.06);
    --m1-shadow:     0 6px 20px rgba(15,27,45,.08);
    --m1-shadow-lg:  0 16px 44px rgba(15,27,45,.12);
    --m1-shadow-brand:0 12px 30px rgba(29,63,184,.22);

    --m1-shell:      1240px;
    /* 系统中文字体优先 —— 贴近爱采购/1688 商家页观感,无外链、利于 CWV */
    --m1-sans:       -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
    /* 数字/价格不再用等宽设计字体,统一回落到正文字体,去掉"SaaS 工程感" */
    --m1-mono:       var(--m1-sans);

    --m1-ease:       cubic-bezier(.4,.1,.2,1);
}

/* ---------- reset / base ---------- */
*{ box-sizing: border-box; }
html{ -webkit-text-size-adjust: 100%; }
.m1-body{
    margin: 0;
    font-family: var(--m1-sans);
    font-size: 15px;
    line-height: 1.65;
    color: var(--m1-ink-2);
    background: var(--m1-bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
.m1-body img{ max-width: 100%; display: block; }
.m1-body a{ color: inherit; text-decoration: none; }
.m1-body h1,.m1-body h2,.m1-body h3,.m1-body h4{
    font-family: var(--m1-sans);
    color: var(--m1-ink);
    margin: 0;
    line-height: 1.2;
    letter-spacing: -.01em;
}
.m1-mono{ font-family: var(--m1-mono); }

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

.m1-shell{
    max-width: var(--m1-shell);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================================================
   HEADER · 工具条 / 品牌行 / 主导航
   ============================================================================ */
.m1-mast{
    background: var(--m1-surface);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--m1-shadow-xs);
}

.m1-mast-utility{
    background: var(--m1-ink);
    color: #c3ccda;
    font-size: 12.5px;
}
.m1-mast-utility .m1-shell{
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 38px;
    gap: 16px;
}
.m1-mast-utility .reg{
    font-family: var(--m1-mono);
    color: #fff;
}
.m1-mast-utility .lead{
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.m1-mast-utility .dot{ color: var(--m1-accent); font-size: 9px; }
.m1-mast-utility .sep{ color: #44546c; margin: 0 8px; }
.m1-mast-utility a{ color: #c3ccda; transition: color .2s; }
.m1-mast-utility a:hover{ color: #fff; }
.m1-util-right{ display: inline-flex; align-items: center; }

.m1-mast-row{
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 18px 0;
}
.m1-brand{
    display: flex;
    align-items: center;
    gap: 14px;
    flex: 1;
    min-width: 0;
}
.m1-brand-logo{
    width: 52px; height: 52px;
    object-fit: contain;
    background: var(--m1-bg);
    border: 1px solid var(--m1-line);
    border-radius: var(--m1-radius-sm);
    padding: 5px;
    flex-shrink: 0;
}
.m1-brand-text{ min-width: 0; }
.m1-brand-text .name{
    display: block;
    font-size: 21px;
    font-weight: 800;
    color: var(--m1-ink);
    letter-spacing: -.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.m1-brand-text .scope{
    margin: 2px 0 0;
    font-size: 12.5px;
    color: var(--m1-ink-3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.m1-mast-meta{
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}
.m1-mast-meta .cell{
    text-align: right;
    padding-left: 18px;
    border-left: 1px solid var(--m1-line);
}
.m1-mast-meta .cell small{
    display: block;
    font-size: 11px;
    color: var(--m1-ink-4);
    text-transform: uppercase;
    letter-spacing: .04em;
}
.m1-mast-meta .cell strong{
    display: block;
    font-size: 15px;
    color: var(--m1-ink);
    font-weight: 700;
    margin-top: 2px;
}
.m1-mast-meta .cell strong.acc{ font-family: var(--m1-mono); color: var(--m1-brand); }
.m1-mast-meta .cell strong.ok{ color: var(--m1-success); }

.m1-nav{
    border-top: 1px solid var(--m1-line);
}
.m1-nav-inner{
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}
.m1-nav-inner a{
    position: relative;
    padding: 14px 18px;
    font-size: 14.5px;
    font-weight: 600;
    color: var(--m1-ink-2);
    transition: color .2s;
}
.m1-nav-inner a small{
    display: none;
}
.m1-nav-inner a::after{
    content: "";
    position: absolute;
    left: 18px; right: 18px; bottom: 0;
    height: 2px;
    background: var(--m1-brand);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s var(--m1-ease);
}
.m1-nav-inner a:hover{ color: var(--m1-brand); }
.m1-nav-inner a:hover::after,
.m1-nav-inner a.is-active::after{ transform: scaleX(1); }
.m1-nav-inner a.is-active{ color: var(--m1-brand); }

/* ============================================================================
   按钮
   ============================================================================ */
.m1-btn{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: var(--m1-radius-sm);
    font-size: 14.5px;
    font-weight: 600;
    font-family: var(--m1-sans);
    color: var(--m1-ink);
    background: var(--m1-surface);
    border: 1px solid var(--m1-line-2);
    cursor: pointer;
    transition: all .2s var(--m1-ease);
    line-height: 1.2;
}
.m1-btn .m1-mono{ font-size: 13px; }
.m1-btn:hover{
    border-color: var(--m1-brand);
    color: var(--m1-brand);
    box-shadow: var(--m1-shadow-sm);
}
.m1-btn-primary{
    background: var(--m1-cta);
    border-color: var(--m1-cta);
    color: #fff;
    box-shadow: 0 8px 20px rgba(210,62,16,.28);
}
.m1-btn-primary:hover{
    background: var(--m1-cta-dk);
    border-color: var(--m1-cta-dk);
    color: #fff;
    box-shadow: 0 10px 26px rgba(255,90,46,.34);
    transform: translateY(-1px);
}
.m1-btn-brand{
    background: var(--m1-brand);
    border-color: var(--m1-brand);
    color: #fff;
    box-shadow: var(--m1-shadow-brand);
}
.m1-btn-brand:hover{
    background: var(--m1-brand-dark);
    border-color: var(--m1-brand-dark);
    color: #fff;
    transform: translateY(-1px);
}
.m1-btn-dark{
    background: var(--m1-ink);
    border-color: var(--m1-ink);
    color: #fff;
}
.m1-btn-dark:hover{ background: #1c2c44; border-color: #1c2c44; color: #fff; }

/* ---------- 徽章 ---------- */
.m1-badge{
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 11px;
    border-radius: var(--m1-radius-pill);
    font-size: 12px;
    font-weight: 600;
    line-height: 1.4;
}
.m1-badge--ok{ background: var(--m1-success-soft); color: var(--m1-success); }
.m1-badge--brand{ background: var(--m1-brand-soft); color: var(--m1-brand); }
.m1-badge--accent{ background: var(--m1-accent-soft); color: var(--m1-accent-dk); }
.m1-badge--mono{ font-family: var(--m1-mono); font-weight: 700; }
.m1-badge .ic{ font-size: 10px; }

/* ============================================================================
   HERO
   ============================================================================ */
.m1-hero{
    background:
        radial-gradient(900px 400px at 88% -10%, rgba(29,63,184,.10), transparent 60%),
        radial-gradient(700px 360px at 6% 110%, rgba(255,90,46,.06), transparent 60%),
        linear-gradient(180deg, #fff 0%, var(--m1-bg) 100%);
    border-bottom: 1px solid var(--m1-line);
    padding: 60px 0 64px;
}
.m1-hero-meta{
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
    font-family: var(--m1-mono);
    font-size: 12.5px;
    color: var(--m1-ink-3);
}
.m1-hero-meta .dot{ width: 7px; height: 7px; border-radius: 50%; background: var(--m1-accent); display: inline-block; }
.m1-hero-meta .pipe{ color: var(--m1-line-2); }

.m1-hero-grid{
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 56px;
    align-items: center;
}
.m1-hero-grid h1{
    font-size: 46px;
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -.025em;
    color: var(--m1-ink);
}
.m1-hero-grid h1 em{ color: var(--m1-accent); font-style: normal; }
.m1-hero-grid .lead{
    margin: 18px 0 28px;
    font-size: 16.5px;
    line-height: 1.7;
    color: var(--m1-ink-2);
    max-width: 56ch;
}
.m1-cta-row{
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.m1-hero-stats{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-top: 32px;
    padding-top: 28px;
    border-top: 1px solid var(--m1-line);
}
.m1-hero-stats .stat small{
    display: block;
    font-size: 11.5px;
    color: var(--m1-ink-3);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: 6px;
}
.m1-hero-stats .stat strong{
    display: block;
    font-family: var(--m1-mono);
    font-size: 19px;
    font-weight: 700;
    color: var(--m1-ink);
}
.m1-hero-stats .stat.ok strong{ color: var(--m1-success); }

.m1-hero-img{
    position: relative;
    border-radius: var(--m1-radius-lg);
    overflow: hidden;
    box-shadow: var(--m1-shadow-lg);
    background: var(--m1-surface);
    border: 1px solid var(--m1-line);
}
.m1-hero-img img{
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}
.m1-hero-img .tag{
    position: absolute;
    left: 16px; bottom: 16px;
    background: rgba(15,27,45,.78);
    backdrop-filter: blur(6px);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 7px 13px;
    border-radius: var(--m1-radius-pill);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.m1-hero-img .tag .dot{ width: 6px; height: 6px; border-radius: 50%; background: var(--m1-accent); }

/* ============================================================================
   分类入口
   ============================================================================ */
.m1-section{
    padding: 38px 0;
}
.m1-section--tint{ background: var(--m1-surface); border-top: 1px solid var(--m1-line); border-bottom: 1px solid var(--m1-line); }

.m1-section-h{
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}
.m1-section-h .eyebrow{
    font-size: 12.5px;
    color: var(--m1-ink-3);
    font-weight: 500;
    margin: 0 0 4px;
    letter-spacing: 0;
}
.m1-section-h h2{
    font-size: 23px;
    font-weight: 800;
    letter-spacing: -.01em;
    padding-left: 13px;
    border-left: 4px solid var(--m1-accent);
    line-height: 1.1;
}
.m1-section-h .eyebrow{ padding-left: 13px; }
.m1-section-h .sub{
    display: block;
    margin-top: 6px;
    font-size: 14px;
    color: var(--m1-ink-3);
    font-weight: 400;
}
.m1-section-h .more{
    font-size: 14px;
    font-weight: 600;
    color: var(--m1-brand);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    transition: gap .2s;
}
.m1-section-h .more:hover{ gap: 10px; }

.m1-cat-grid{
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 14px;
}
.m1-cat-card{
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 20px 16px;
    background: var(--m1-surface);
    border: 1px solid var(--m1-line);
    border-radius: var(--m1-radius);
    transition: all .2s var(--m1-ease);
}
.m1-cat-card:hover{
    border-color: var(--m1-brand);
    box-shadow: var(--m1-shadow);
    transform: translateY(-2px);
}
.m1-cat-card .ix{
    font-family: var(--m1-mono);
    font-size: 12px;
    color: var(--m1-ink-4);
}
.m1-cat-card .nm{
    font-size: 15px;
    font-weight: 700;
    color: var(--m1-ink);
    line-height: 1.4;
}
.m1-cat-card .go{
    margin-top: auto;
    font-size: 12.5px;
    color: var(--m1-brand);
    font-weight: 600;
}

/* ============================================================================
   产品网格 / 卡片
   ============================================================================ */
.m1-grid{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.m1-grid--5{ grid-template-columns: repeat(5, 1fr); }
.m1-grid--dense{ grid-template-columns: repeat(5, 1fr); gap: 14px; }

.m1-card{
    display: flex;
    flex-direction: column;
    background: var(--m1-surface);
    border: 1px solid var(--m1-line);
    border-radius: var(--m1-radius);
    overflow: hidden;
    transition: all .22s var(--m1-ease);
}
.m1-card:hover{
    border-color: var(--m1-line-2);
    box-shadow: var(--m1-shadow);
    transform: translateY(-3px);
}
.m1-card-img{
    position: relative;
    aspect-ratio: 1/1;
    background: var(--m1-bg-2);
    overflow: hidden;
}
.m1-card-img img{
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .4s var(--m1-ease);
}
.m1-card:hover .m1-card-img img{ transform: scale(1.05); }
.m1-card-sku{
    position: absolute;
    left: 10px; top: 10px;
    font-family: var(--m1-mono);
    font-size: 11px;
    font-weight: 700;
    color: var(--m1-ink-2);
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(4px);
    padding: 3px 9px;
    border-radius: var(--m1-radius-pill);
    box-shadow: var(--m1-shadow-xs);
}
.m1-card-stamp{
    position: absolute;
    right: 10px; top: 10px;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    background: var(--m1-accent);
    padding: 3px 9px;
    border-radius: var(--m1-radius-pill);
}
.m1-card-body{
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 14px 15px 15px;
    flex: 1;
}
.m1-card-title{
    margin: 0;
    font-size: 14.5px;
    font-weight: 600;
    color: var(--m1-ink);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.9em;
}
.m1-card-spec{
    margin: 0;
    font-size: 12.5px;
    color: var(--m1-ink-3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.m1-card-meta{
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
    margin-top: 4px;
    padding-top: 10px;
    border-top: 1px solid var(--m1-line);
}
.m1-card-price{
    font-size: 19px;
    font-weight: 800;
    color: var(--m1-accent);
    white-space: nowrap;
}
.m1-card-price .cny{ font-size: 13px; font-weight: 700; margin-right: 1px; }
.m1-card-price.is-tbd{ font-size: 16px; font-weight: 700; }
.m1-card-unit{
    font-family: var(--m1-sans);
    font-size: 12px;
    font-weight: 400;
    color: var(--m1-ink-3);
}
.m1-card-moq{
    font-family: var(--m1-mono);
    font-size: 12px;
    color: var(--m1-ink-3);
    white-space: nowrap;
}
.m1-card-inq{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    margin-top: 10px;
    padding: 9px 12px;
    border-radius: var(--m1-radius-sm);
    background: var(--m1-cta);
    color: #fff;
    font-size: 13.5px;
    font-weight: 700;
    letter-spacing: .02em;
    transition: all .2s;
}
.m1-card-inq::before{
    content: "";
    width: 15px; height: 15px;
    background: currentColor;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 2H4a2 2 0 0 0-2 2v18l4-4h14a2 2 0 0 0 2-2V4a2 2 0 0 0-2-2z'/%3E%3C/svg%3E") center/contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 2H4a2 2 0 0 0-2 2v18l4-4h14a2 2 0 0 0 2-2V4a2 2 0 0 0-2-2z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.m1-card:hover .m1-card-inq{ background: var(--m1-cta-dk); }

/* feature(大卡): 横向占两列 */
.m1-card.is-feature{
    grid-column: span 2;
    flex-direction: row;
}
.m1-card.is-feature .m1-card-img{
    aspect-ratio: auto;
    width: 50%;
    flex-shrink: 0;
}
.m1-card.is-feature .m1-card-body{
    width: 50%;
    justify-content: center;
    padding: 22px;
    gap: 9px;
}
.m1-card.is-feature .m1-card-title{
    font-size: 18px;
    -webkit-line-clamp: 3;
    min-height: auto;
}
.m1-card.is-feature .m1-card-price{ font-size: 24px; }

/* ============================================================================
   面包屑
   ============================================================================ */
.m1-crumb{
    background: var(--m1-surface);
    border-bottom: 1px solid var(--m1-line);
}
.m1-crumb-row{
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 14px 0;
    font-size: 13px;
    color: var(--m1-ink-3);
}
.m1-crumb-row a{ color: var(--m1-ink-2); transition: color .2s; }
.m1-crumb-row a:hover{ color: var(--m1-brand); }
.m1-crumb-row .sep{ color: var(--m1-line-2); }
.m1-crumb-row span:last-child{ color: var(--m1-ink); }

/* ============================================================================
   产品中心(supply): 左侧分类树 + 右侧网格
   ============================================================================ */
.m1-toolbar{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    background: var(--m1-surface);
    border: 1px solid var(--m1-line);
    border-radius: var(--m1-radius);
    padding: 14px 18px;
    margin-bottom: 18px;
}
.m1-toolbar .lhs{ display: flex; align-items: baseline; gap: 10px; }
.m1-toolbar .lhs h2{ font-size: 18px; font-weight: 800; }
.m1-toolbar .lhs .cnt{
    font-family: var(--m1-mono);
    font-size: 13px;
    color: var(--m1-ink-3);
}
.m1-toolbar .lhs .cnt b{ color: var(--m1-accent); }

.m1-layout{
    display: grid;
    grid-template-columns: 270px 1fr;
    gap: 26px;
    align-items: start;
}
.m1-side{
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: sticky;
    top: 96px;
}
.m1-side-card{
    background: var(--m1-surface);
    border: 1px solid var(--m1-line);
    border-radius: var(--m1-radius);
    padding: 18px;
    box-shadow: var(--m1-shadow-xs);
}
.m1-side-card h3{
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    font-size: 15px;
    font-weight: 800;
    color: var(--m1-ink);
    margin: 0 0 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--m1-line);
}
.m1-side-card h3 small{
    font-family: var(--m1-mono);
    font-size: 11px;
    color: var(--m1-ink-4);
    font-weight: 400;
}
.m1-side-list{ list-style: none; margin: 0; padding: 0; }
.m1-side-list li{ margin: 0; }
.m1-side-list a{
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 12px;
    border-radius: var(--m1-radius-sm);
    font-size: 14px;
    color: var(--m1-ink-2);
    transition: all .18s;
}
.m1-side-list a::after{ content: "›"; color: var(--m1-ink-4); font-size: 15px; }
.m1-side-list a:hover{ background: var(--m1-bg); color: var(--m1-brand); }
.m1-side-list a.is-active{
    background: var(--m1-brand-soft);
    color: var(--m1-brand);
    font-weight: 700;
}
.m1-side-list a.is-active::after{ color: var(--m1-brand); }

.m1-side-cta small{
    display: block;
    font-size: 12px;
    color: var(--m1-ink-3);
    margin-bottom: 4px;
}
.m1-side-cta strong{
    display: block;
    font-family: var(--m1-mono);
    font-size: 21px;
    font-weight: 700;
    color: var(--m1-brand);
    letter-spacing: -.01em;
}
.m1-side-cta p{
    margin: 8px 0 0;
    font-size: 13px;
    color: var(--m1-ink-3);
}
.m1-side-cta .m1-btn{ width: 100%; justify-content: center; margin-top: 14px; }

.m1-trust-list{
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.m1-trust-list .row{
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13.5px;
    color: var(--m1-ink-2);
}
.m1-trust-list .row .k{ color: var(--m1-ink-3); min-width: 64px; }
.m1-trust-list .row .v{ font-weight: 600; color: var(--m1-ink); }
.m1-trust-list .row .v.mono{ font-family: var(--m1-mono); }

.m1-empty{
    text-align: center;
    padding: 64px 24px;
    background: var(--m1-surface);
    border: 1px dashed var(--m1-line-2);
    border-radius: var(--m1-radius);
    color: var(--m1-ink-3);
    font-size: 15px;
}
.m1-empty .ic{ font-size: 30px; display: block; margin-bottom: 10px; opacity: .5; }

/* ============================================================================
   分页(knp)
   ============================================================================ */
.m1-pager{
    margin-top: 30px;
    display: flex;
    justify-content: center;
}
.m1-pager .pagination{
    display: inline-flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 0; padding: 0;
    gap: 6px;
}
.m1-pager .pagination li{ margin: 0; }
.m1-pager .pagination a,
.m1-pager .pagination span{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: var(--m1-radius-sm);
    border: 1px solid var(--m1-line);
    background: var(--m1-surface);
    color: var(--m1-ink-2);
    font-family: var(--m1-mono);
    font-size: 13.5px;
    transition: all .18s;
}
.m1-pager .pagination a:hover{
    border-color: var(--m1-brand);
    color: var(--m1-brand);
}
.m1-pager .pagination .active span,
.m1-pager .pagination .current{
    background: var(--m1-brand);
    border-color: var(--m1-brand);
    color: #fff;
}
.m1-pager .pagination .disabled span{ opacity: .4; }

/* ============================================================================
   产品详情
   ============================================================================ */
.m1-prod-grid{
    display: grid;
    grid-template-columns: minmax(0,1fr) minmax(0,1.05fr);
    gap: 40px;
    align-items: start;
}
.m1-prod-img{
    position: relative;
    border-radius: var(--m1-radius-lg);
    overflow: hidden;
    background: var(--m1-surface);
    border: 1px solid var(--m1-line);
    box-shadow: var(--m1-shadow-sm);
    position: sticky;
    top: 96px;
}
.m1-prod-img img{
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
}
.m1-prod-info{ min-width: 0; }
.m1-prod-tags{
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}
.m1-prod-info h1{
    font-size: 28px;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -.02em;
    margin-bottom: 12px;
}
.m1-prod-sub{
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    font-family: var(--m1-mono);
    font-size: 12.5px;
    color: var(--m1-ink-3);
    margin-bottom: 22px;
}
.m1-prod-sub span b{ color: var(--m1-ink); }

.m1-prod-price-box{
    background: linear-gradient(180deg, var(--m1-accent-soft), #fff);
    border: 1px solid #ffd9cc;
    border-radius: var(--m1-radius);
    padding: 20px 22px;
    margin-bottom: 22px;
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 4px 10px;
}
.m1-prod-price-box small{
    width: 100%;
    font-size: 12px;
    color: var(--m1-ink-3);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: 6px;
}
.m1-prod-price-box .price{
    font-family: var(--m1-mono);
    font-size: 38px;
    font-weight: 700;
    color: var(--m1-accent);
    line-height: 1;
}
.m1-prod-price-box .price-unit{
    font-size: 15px;
    color: var(--m1-ink-3);
}

.m1-prod-attrs{
    display: grid;
    grid-template-columns: max-content 1fr;
    border: 1px solid var(--m1-line);
    border-radius: var(--m1-radius);
    overflow: hidden;
    margin: 0 0 24px;
}
.m1-prod-attrs dt{
    background: var(--m1-bg);
    padding: 12px 16px;
    font-size: 13px;
    color: var(--m1-ink-3);
    font-weight: 600;
    border-bottom: 1px solid var(--m1-line);
}
.m1-prod-attrs dd{
    padding: 12px 16px;
    margin: 0;
    font-size: 14px;
    color: var(--m1-ink);
    font-weight: 600;
    border-bottom: 1px solid var(--m1-line);
}
.m1-prod-attrs dd.mono{ font-family: var(--m1-mono); }
.m1-prod-attrs dd.ok{ color: var(--m1-success); }
.m1-prod-attrs dt:nth-last-of-type(1),
.m1-prod-attrs dd:nth-last-of-type(1){ border-bottom: 0; }
.m1-prod-attrs dd a{ color: var(--m1-brand); }

/* 供应商信息卡 */
.m1-supplier-card{
    background: var(--m1-surface);
    border: 1px solid var(--m1-line);
    border-radius: var(--m1-radius);
    padding: 20px;
    box-shadow: var(--m1-shadow-xs);
    margin-top: 14px;
}
.m1-supplier-card .top{
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 14px;
    margin-bottom: 14px;
    border-bottom: 1px solid var(--m1-line);
}
.m1-supplier-card .top img{
    width: 46px; height: 46px;
    object-fit: contain;
    border: 1px solid var(--m1-line);
    border-radius: var(--m1-radius-sm);
    padding: 4px;
    background: var(--m1-bg);
}
.m1-supplier-card .top .nm{ font-size: 15px; font-weight: 800; color: var(--m1-ink); }
.m1-supplier-card .top .badges{ display: flex; gap: 6px; margin-top: 4px; flex-wrap: wrap; }
.m1-supplier-card .rows{ display: flex; flex-direction: column; gap: 9px; }
.m1-supplier-card .rows .r{ display: flex; gap: 10px; font-size: 13.5px; }
.m1-supplier-card .rows .r .k{ color: var(--m1-ink-3); min-width: 56px; }
.m1-supplier-card .rows .r .v{ color: var(--m1-ink); font-weight: 600; }
.m1-supplier-card .rows .r .v.mono{ font-family: var(--m1-mono); }
.m1-supplier-card .acts{ display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.m1-supplier-card .acts .m1-btn{ width: 100%; justify-content: center; }

/* ============================================================================
   富文本(prose)
   ============================================================================ */
.m1-prose{
    background: var(--m1-surface);
    border: 1px solid var(--m1-line);
    border-radius: var(--m1-radius);
    padding: 30px 34px;
    font-size: 15.5px;
    line-height: 1.85;
    color: var(--m1-ink-2);
}
.m1-prose :where(h1,h2,h3,h4){ color: var(--m1-ink); margin: 1.4em 0 .6em; line-height: 1.35; }
.m1-prose h2{ font-size: 21px; }
.m1-prose h3{ font-size: 18px; }
.m1-prose :where(p,li){ margin: 0 0 1em; }
.m1-prose img{ border-radius: var(--m1-radius-sm); margin: 14px auto; }
.m1-prose a{ color: var(--m1-brand); text-decoration: underline; text-underline-offset: 2px; }
.m1-prose ul,.m1-prose ol{ padding-left: 1.4em; }
.m1-prose table{ width: 100%; border-collapse: collapse; margin: 16px 0; }
.m1-prose th,.m1-prose td{ border: 1px solid var(--m1-line); padding: 9px 12px; text-align: left; }
.m1-prose th{ background: var(--m1-bg); color: var(--m1-ink); }
.m1-prose-empty{ text-align: center; color: var(--m1-ink-3); padding: 28px 0; }

/* ============================================================================
   公司简介指标
   ============================================================================ */
.m1-info-cluster{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 24px;
}
.m1-info-cluster .item{
    background: var(--m1-surface);
    border: 1px solid var(--m1-line);
    border-radius: var(--m1-radius);
    padding: 20px;
    box-shadow: var(--m1-shadow-xs);
}
.m1-info-cluster .item small{
    display: block;
    font-size: 12px;
    color: var(--m1-ink-3);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: 8px;
}
.m1-info-cluster .item strong{
    display: block;
    font-family: var(--m1-mono);
    font-size: 20px;
    font-weight: 700;
    color: var(--m1-ink);
}
.m1-info-cluster .item.is-acc strong{ color: var(--m1-brand); }
.m1-info-cluster .item.is-ok strong{ color: var(--m1-success); }

/* ============================================================================
   询价行动条
   ============================================================================ */
.m1-inquiry{
    background:
        radial-gradient(600px 300px at 85% 0%, rgba(255,90,46,.22), transparent 60%),
        linear-gradient(120deg, var(--m1-brand) 0%, var(--m1-brand-dark) 100%);
    color: #fff;
    padding: 0;
}
.m1-inquiry-row{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    flex-wrap: wrap;
    padding: 40px 24px;
}
.m1-inquiry-text .eyebrow{
    font-family: var(--m1-mono);
    font-size: 12.5px;
    color: rgba(255,255,255,.7);
    margin: 0 0 8px;
    text-transform: uppercase;
    letter-spacing: .05em;
}
.m1-inquiry-text .title{
    margin: 0;
    font-size: 26px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -.02em;
}
.m1-inquiry-cta{
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}
.m1-inquiry-tel small{
    display: block;
    font-size: 11.5px;
    color: rgba(255,255,255,.7);
    text-transform: uppercase;
    letter-spacing: .04em;
}
.m1-inquiry-tel a{
    font-family: var(--m1-mono);
    font-size: 24px;
    font-weight: 700;
    color: #fff;
}
.m1-inquiry .m1-btn-primary{ box-shadow: 0 10px 30px rgba(0,0,0,.25); }

/* ============================================================================
   联系页
   ============================================================================ */
.m1-contact-grid{
    display: grid;
    grid-template-columns: 1.4fr .8fr;
    gap: 26px;
    align-items: start;
}
.m1-contact-info{
    background: var(--m1-surface);
    border: 1px solid var(--m1-line);
    border-radius: var(--m1-radius);
    padding: 28px 30px;
    box-shadow: var(--m1-shadow-xs);
}
.m1-contact-info dl{
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0;
    margin: 0;
}
.m1-contact-info dt{
    padding: 13px 0;
    font-size: 13px;
    color: var(--m1-ink-3);
    font-weight: 600;
    border-bottom: 1px solid var(--m1-line);
    padding-right: 24px;
    white-space: nowrap;
}
.m1-contact-info dd{
    margin: 0;
    padding: 13px 0;
    font-size: 14.5px;
    color: var(--m1-ink);
    font-weight: 600;
    border-bottom: 1px solid var(--m1-line);
}
.m1-contact-info dd a{ color: var(--m1-brand); }
.m1-contact-info dd .ok{ color: var(--m1-success); }
.m1-contact-foot{
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
}
.m1-contact-qr{
    background: var(--m1-surface);
    border: 1px solid var(--m1-line);
    border-radius: var(--m1-radius);
    padding: 26px;
    box-shadow: var(--m1-shadow-xs);
    text-align: center;
}
.m1-contact-qr img{
    width: 180px; height: 180px;
    object-fit: contain;
    margin: 0 auto 14px;
    border: 1px solid var(--m1-line);
    border-radius: var(--m1-radius-sm);
    padding: 8px;
}
.m1-contact-qr small{
    display: block;
    font-size: 12.5px;
    color: var(--m1-ink-3);
}
.m1-contact-qr .empty{
    width: 180px; height: 180px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--m1-bg);
    border: 1px dashed var(--m1-line-2);
    border-radius: var(--m1-radius-sm);
    color: var(--m1-ink-4);
    font-size: 13px;
    line-height: 1.5;
}

/* ============================================================================
   新闻列表 / 详情
   ============================================================================ */
.m1-news-list{ list-style: none; margin: 0; padding: 0; }
.m1-news-list li{
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 22px;
    background: var(--m1-surface);
    border: 1px solid var(--m1-line);
    border-radius: var(--m1-radius);
    margin-bottom: 12px;
    transition: all .2s var(--m1-ease);
}
.m1-news-list li:hover{ border-color: var(--m1-line-2); box-shadow: var(--m1-shadow-sm); transform: translateX(3px); }
.m1-news-list .news-num{
    font-family: var(--m1-mono);
    font-size: 16px;
    font-weight: 700;
    color: var(--m1-ink-4);
    flex-shrink: 0;
}
.m1-news-list .news-title{
    display: block;
    font-size: 16.5px;
    font-weight: 700;
    color: var(--m1-ink);
    transition: color .2s;
}
.m1-news-list li:hover .news-title{ color: var(--m1-brand); }
.m1-news-list .news-summary{
    margin: 6px 0 0;
    font-size: 13.5px;
    color: var(--m1-ink-3);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.m1-news-list .news-date{
    font-family: var(--m1-mono);
    font-size: 13px;
    color: var(--m1-ink-3);
    white-space: nowrap;
    flex-shrink: 0;
    margin-left: auto;
}

.m1-news-detail-head{
    text-align: center;
    max-width: 760px;
    margin: 0 auto 28px;
}
.m1-news-detail-head h1{
    font-size: 32px;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -.02em;
    margin: 14px 0 0;
}
.m1-news-detail-head .meta{
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
    font-family: var(--m1-mono);
    font-size: 13px;
    color: var(--m1-ink-3);
}
.m1-news-detail-head .meta .sep{ color: var(--m1-line-2); }
.m1-news-foot{
    margin-top: 32px;
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

/* ============================================================================
   网站地图
   ============================================================================ */
.m1-sitemap-cards{
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.m1-sitemap-block{
    background: var(--m1-surface);
    border: 1px solid var(--m1-line);
    border-radius: var(--m1-radius);
    padding: 24px 26px;
    box-shadow: var(--m1-shadow-xs);
}
.m1-sitemap-block h3{
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 17px;
    font-weight: 800;
    color: var(--m1-ink);
    margin: 0 0 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--m1-line);
}
.m1-sitemap-block h3 .count{
    font-family: var(--m1-mono);
    font-size: 12px;
    font-weight: 400;
    color: var(--m1-ink-4);
}
.m1-sitemap-block ul{
    list-style: none;
    margin: 0; padding: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px 24px;
}
.m1-sitemap-block.is-prods ul{ grid-template-columns: repeat(2, 1fr); }
.m1-sitemap-block li{ margin: 0; }
.m1-sitemap-block a{
    display: block;
    padding: 6px 0;
    font-size: 14px;
    color: var(--m1-ink-2);
    border-bottom: 1px dashed transparent;
    transition: all .18s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.m1-sitemap-block a:hover{ color: var(--m1-brand); border-bottom-color: var(--m1-line-2); }

/* ============================================================================
   FOOTER
   ============================================================================ */
.m1-footer{
    background: var(--m1-ink);
    color: #aab4c4;
    margin-top: 0;
}
.m1-footer-top{
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1fr;
    gap: 36px;
    padding: 52px 0 40px;
}
.m1-footer-brand .name{
    font-size: 19px;
    font-weight: 800;
    color: #fff;
    margin: 0 0 12px;
}
.m1-footer-brand .scope{
    font-size: 13.5px;
    line-height: 1.7;
    color: #8d99ab;
    margin: 0 0 18px;
}
.m1-footer-brand .meta{ display: flex; flex-direction: column; gap: 8px; font-size: 13px; }
.m1-footer-brand .meta div{ display: flex; gap: 8px; }
.m1-footer-brand .meta span{
    font-family: var(--m1-mono);
    color: var(--m1-accent);
    font-size: 11.5px;
    min-width: 42px;
    flex-shrink: 0;
}
.m1-footer-col h4{
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 16px;
}
.m1-footer-col a{
    display: block;
    font-size: 13.5px;
    color: #8d99ab;
    padding: 5px 0;
    transition: color .2s;
}
.m1-footer-col a:hover{ color: #fff; }
.m1-footer-copy{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 20px 0;
    border-top: 1px solid #1f2f47;
    font-size: 12.5px;
    color: #6f7c90;
}
.m1-footer-copy .reg{ font-family: var(--m1-mono); }

/* ============================================================================
   响应式
   ============================================================================ */
@media (max-width: 1080px){
    .m1-hero-grid{ grid-template-columns: 1fr; gap: 36px; }
    .m1-hero-img img{ aspect-ratio: 16/9; }
    .m1-grid{ grid-template-columns: repeat(3, 1fr); }
    .m1-grid--5,.m1-grid--dense{ grid-template-columns: repeat(4, 1fr); }
    .m1-cat-grid{ grid-template-columns: repeat(4, 1fr); }
    .m1-footer-top{ grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 860px){
    .m1-shell{ padding: 0 18px; }
    .m1-mast-meta{ display: none; }
    .m1-mast-utility .lead{ display: none; }
    .m1-mast-utility .m1-shell{ justify-content: flex-end; }
    .m1-layout{ grid-template-columns: 1fr; }
    .m1-side{ position: static; }
    .m1-prod-grid{ grid-template-columns: 1fr; gap: 26px; }
    .m1-prod-img{ position: static; }
    .m1-contact-grid{ grid-template-columns: 1fr; }
    .m1-sitemap-block ul{ grid-template-columns: repeat(2, 1fr); }
    .m1-sitemap-block.is-prods ul{ grid-template-columns: 1fr; }
    .m1-section-h h2{ font-size: 23px; }
    .m1-hero-grid h1{ font-size: 36px; }
}
@media (max-width: 640px){
    .m1-section{ padding: 40px 0; }
    .m1-grid,.m1-grid--5,.m1-grid--dense{ grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .m1-cat-grid{ grid-template-columns: repeat(2, 1fr); }
    .m1-card.is-feature{ grid-column: span 2; flex-direction: column; }
    .m1-card.is-feature .m1-card-img,
    .m1-card.is-feature .m1-card-body{ width: 100%; }
    .m1-card.is-feature .m1-card-img{ aspect-ratio: 1/1; }
    .m1-hero-stats{ grid-template-columns: repeat(2, 1fr); }
    .m1-info-cluster{ grid-template-columns: repeat(2, 1fr); }
    .m1-footer-top{ grid-template-columns: 1fr; gap: 24px; }
    .m1-hero-grid h1{ font-size: 30px; }
    .m1-mast-row{ padding: 14px 0; }
    .m1-brand-text .name{ font-size: 18px; }
    .m1-news-list li{ flex-wrap: wrap; gap: 10px; }
    .m1-news-list .news-date{ margin-left: 0; width: 100%; }
    .m1-inquiry-row{ padding: 32px 18px; }
    .m1-inquiry-text .title{ font-size: 21px; }
    .m1-prod-info h1{ font-size: 23px; }
    .m1-prod-price-box .price{ font-size: 32px; }
}
@media (max-width: 420px){
    .m1-grid,.m1-grid--5,.m1-grid--dense,.m1-cat-grid{ grid-template-columns: 1fr 1fr; }
    .m1-contact-info dl{ grid-template-columns: 1fr; }
    .m1-contact-info dt{ border-bottom: 0; padding-bottom: 0; }
    .m1-contact-info dd{ padding-top: 4px; }
}

/* ============================================================================
   右侧悬浮采购工具栏 · 爱采购/1688 同款转化入口
   ============================================================================ */
.m1-fab{
    position: fixed;
    right: 16px;
    bottom: 90px;
    z-index: 90;
    display: flex;
    flex-direction: column;
    gap: 1px;
    border-radius: var(--m1-radius);
    overflow: hidden;
    box-shadow: var(--m1-shadow-lg);
    background: var(--m1-line);
}
.m1-fab-item{
    position: relative;
    width: 64px;
    min-height: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    background: var(--m1-surface);
    color: var(--m1-ink-2);
    transition: background .2s, color .2s;
}
.m1-fab-item .ic{ font-size: 19px; line-height: 1; }
.m1-fab-item .lb{ font-size: 12px; font-weight: 600; }
.m1-fab-item:hover{ background: var(--m1-brand); color: #fff; }
.m1-fab-item.is-inq{ background: var(--m1-accent); color: #fff; }
.m1-fab-item.is-inq:hover{ background: var(--m1-accent-dk); }
/* 电话 hover 气泡 */
.m1-fab-item .pop{
    position: absolute;
    right: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
    white-space: nowrap;
    background: var(--m1-ink);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 9px 14px;
    border-radius: var(--m1-radius-sm);
    box-shadow: var(--m1-shadow);
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s, visibility .2s;
}
.m1-fab-item .pop::after{
    content: "";
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--m1-ink);
}
.m1-fab-item.is-tel:hover .pop{ opacity: 1; visibility: visible; }
@media (max-width: 640px){
    .m1-fab{ right: 10px; bottom: 70px; }
    .m1-fab-item{ width: 54px; min-height: 52px; }
    .m1-fab-item .lb{ font-size: 11px; }
    .m1-fab-item .pop{ display: none; }
}

/* === nav-fill 铺满 === */
.m1-nav-inner{display:flex;width:100%;flex-wrap:nowrap}
.m1-nav-inner>a{flex:1 1 0;min-width:0;text-align:center;justify-content:center;white-space:nowrap}