/* ==========================================================================
   m5 · Trade Hub —— B2B 商贸枢纽店铺皮肤
   现代化但务实贴合阿里/1688 采购场景: 顶部信任带 / 主信息行 / 横向主导航 /
   左侧分类树 / B2B字段全暴露的产品卡 / 立即询价橙色CTA / 信任徽章
   字体: Bricolage Grotesque (display) + Public Sans (body) + PingFang SC
   ========================================================================== */

:root {
    --m5-bg:        #ffffff;
    --m5-bg-2:      #f8f9fb;
    --m5-card:      #ffffff;
    --m5-mast:      #1f2937;
    --m5-mast-2:    #111827;
    --m5-ink:       #111827;
    --m5-ink-2:     #374151;
    --m5-ink-3:     #6b7280;
    --m5-ink-4:     #9ca3af;
    --m5-line:      #e5e7eb;
    --m5-line-2:    #f3f4f6;
    --m5-accent:    #f76707;
    --m5-accent-h:  #d2580c;
    --m5-accent-2:  #2563eb;
    --m5-highlight: #fbbf24;
    --m5-success:   #10b981;
    --m5-danger:    #dc2626;
    --m5-radius:    6px;
    --m5-radius-btn:4px;
    --m5-shadow:    0 1px 2px rgba(17,24,39,.04);
    --m5-shadow-h:  0 8px 24px rgba(17,24,39,.08);
}

/* ---------- Reset / base ---------- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    background: var(--m5-bg-2);
    color: var(--m5-ink);
    font-family: "Public Sans", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    font-feature-settings: "tnum" 1, "lnum" 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--m5-accent); }
img { max-width: 100%; height: auto; display: block; }
button { font: inherit; cursor: pointer; }
ul, ol, dl, dd, h1, h2, h3, h4, h5, h6, p { margin: 0; padding: 0; }
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; }

.m5-shell { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* Display headings use Bricolage Grotesque variable */
h1, h2, h3, h4, h5, h6,
.m5-display { font-family: "Bricolage Grotesque", "PingFang SC", "Microsoft YaHei", sans-serif; font-weight: 700; letter-spacing: -0.01em; }

/* ==========================================================================
   HEADER · 顶部信任带 + 主信息行 + 横向主导航
   ========================================================================== */
.m5-trust-strip {
    background: var(--m5-mast-2);
    color: rgba(255,255,255,.75);
    font-size: 12px;
    border-bottom: 1px solid rgba(255,255,255,.06);
}
.m5-trust-strip-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    height: 36px;
    flex-wrap: wrap;
}
.m5-trust-items {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.m5-trust-items > span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.m5-trust-items > span + span::before {
    content: "·";
    color: rgba(255,255,255,.3);
    margin-right: 16px;
}
.m5-trust-items > span + span { padding-left: 0; }
.m5-trust-strip .m5-tick {
    color: var(--m5-highlight);
    font-weight: 700;
}
.m5-trust-actions {
    display: flex;
    gap: 16px;
}
.m5-trust-actions a {
    color: rgba(255,255,255,.85);
    transition: color .15s;
}
.m5-trust-actions a:hover { color: var(--m5-highlight); }

.m5-mast {
    background: var(--m5-mast);
    color: #fff;
}
.m5-mast-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 32px;
    padding: 24px 0;
}
.m5-brand {
    display: flex;
    align-items: center;
    gap: 16px;
    color: #fff;
}
.m5-brand:hover { color: #fff; }
.m5-brand-logo {
    width: 56px; height: 56px;
    object-fit: contain;
    background: #fff;
    border-radius: var(--m5-radius);
    padding: 4px;
}
.m5-brand-text { display: flex; flex-direction: column; }
.m5-brand-text .h1 {
    font-family: "Bricolage Grotesque", "PingFang SC", sans-serif;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: #fff;
    line-height: 1.2;
}
.m5-brand-text .tag {
    font-size: 13px;
    color: rgba(255,255,255,.7);
    margin-top: 4px;
    line-height: 1.4;
}
.m5-mast-mid { display: none; }
.m5-mast-cta {
    text-align: right;
}
.m5-mast-cta small {
    display: block;
    font-size: 11px;
    color: rgba(255,255,255,.6);
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 4px;
}
.m5-mast-cta strong {
    display: block;
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--m5-accent);
    letter-spacing: -0.01em;
    font-feature-settings: "tnum" 1, "lnum" 1;
}

/* main nav strip */
.m5-nav {
    background: var(--m5-mast);
    border-top: 1px solid rgba(255,255,255,.08);
    border-bottom: 3px solid var(--m5-accent);
}
.m5-nav-inner {
    display: flex;
    gap: 0;
}
.m5-nav-inner a {
    display: inline-flex;
    align-items: center;
    height: 48px;
    padding: 0 24px;
    color: rgba(255,255,255,.85);
    font-size: 14px;
    font-weight: 500;
    border-bottom: 3px solid transparent;
    margin-bottom: -3px;
    transition: color .15s, border-color .15s, background .15s;
}
.m5-nav-inner a:hover {
    color: #fff;
    background: rgba(255,255,255,.04);
}
.m5-nav-inner a.is-active {
    color: #fff;
    background: rgba(247,103,7,.12);
    border-bottom-color: var(--m5-accent);
    font-weight: 600;
}

/* ==========================================================================
   BREADCRUMB
   ========================================================================== */
.m5-crumb {
    background: #fff;
    border-bottom: 1px solid var(--m5-line);
    font-size: 12px;
    color: var(--m5-ink-3);
}
.m5-crumb-row {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 44px;
}
.m5-crumb-row a { color: var(--m5-ink-3); }
.m5-crumb-row a:hover { color: var(--m5-accent); }
.m5-crumb-row .sep { color: var(--m5-ink-4); }
.m5-crumb-row .current { color: var(--m5-ink-2); font-weight: 500; }

/* ==========================================================================
   BUTTONS / BADGES
   ========================================================================== */
.m5-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 40px;
    padding: 0 20px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    border-radius: var(--m5-radius-btn);
    border: 1px solid transparent;
    transition: background .15s, color .15s, border-color .15s, box-shadow .15s;
    cursor: pointer;
    white-space: nowrap;
}
.m5-btn-primary {
    background: var(--m5-accent);
    color: #fff;
    border-color: var(--m5-accent);
}
.m5-btn-primary:hover {
    background: var(--m5-accent-h);
    border-color: var(--m5-accent-h);
    color: #fff;
}
.m5-btn-outline {
    background: #fff;
    color: var(--m5-ink-2);
    border-color: var(--m5-line);
}
.m5-btn-outline:hover {
    color: var(--m5-accent);
    border-color: var(--m5-accent);
}
.m5-btn-outline-orange {
    background: #fff;
    color: var(--m5-accent);
    border-color: var(--m5-accent);
}
.m5-btn-outline-orange:hover {
    background: var(--m5-accent);
    color: #fff;
}
.m5-btn-block { width: 100%; }
.m5-btn-lg { height: 48px; padding: 0 28px; font-size: 15px; border-radius: var(--m5-radius); }
.m5-btn-sm { height: 32px; padding: 0 14px; font-size: 12px; }

/* badges */
.m5-badge-verified {
    display: inline-flex; align-items: center; gap: 4px;
    color: var(--m5-accent-2);
    font-size: 12px;
    font-weight: 600;
}
.m5-badge-verified::before {
    content: "✓";
    display: inline-flex;
    align-items: center; justify-content: center;
    width: 14px; height: 14px;
    background: var(--m5-accent-2);
    color: #fff;
    border-radius: 50%;
    font-size: 9px;
    font-weight: 700;
}
.m5-badge-hot {
    display: inline-flex; align-items: center;
    height: 18px; padding: 0 6px;
    background: var(--m5-highlight);
    color: #78350f;
    font-size: 11px;
    font-weight: 700;
    border-radius: var(--m5-radius-btn);
    letter-spacing: .03em;
}
.m5-badge-new {
    display: inline-flex; align-items: center;
    height: 18px; padding: 0 6px;
    background: var(--m5-accent);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    border-radius: var(--m5-radius-btn);
    letter-spacing: .03em;
}
.m5-badge-rec {
    display: inline-flex; align-items: center;
    height: 18px; padding: 0 6px;
    background: #dbeafe;
    color: var(--m5-accent-2);
    font-size: 11px;
    font-weight: 700;
    border-radius: var(--m5-radius-btn);
}

/* ==========================================================================
   SECTION SCAFFOLD
   ========================================================================== */
.m5-section { padding: 56px 0; }
.m5-section-sm { padding: 32px 0; }
.m5-section-tight { padding: 24px 0; }

.m5-section-h {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 2px solid var(--m5-ink);
    padding-bottom: 14px;
    margin-bottom: 28px;
}
.m5-section-h h2 {
    font-family: "Bricolage Grotesque", "PingFang SC", sans-serif;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--m5-ink);
    line-height: 1.2;
}
.m5-section-h h2 small {
    font-family: "Public Sans", sans-serif;
    font-size: 12px;
    font-weight: 500;
    color: var(--m5-ink-3);
    margin-left: 12px;
    letter-spacing: .05em;
    text-transform: uppercase;
}
.m5-section-h .more {
    font-size: 13px;
    color: var(--m5-ink-3);
    font-weight: 500;
}
.m5-section-h .more:hover { color: var(--m5-accent); }

/* ==========================================================================
   HERO · 主页 7/5 split
   ========================================================================== */
.m5-hero { background: var(--m5-bg-2); padding: 32px 0 0; }
.m5-hero-grid {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 24px;
    align-items: stretch;
}
.m5-hero-banner {
    background: var(--m5-mast);
    border-radius: var(--m5-radius);
    overflow: hidden;
    min-height: 360px;
    position: relative;
}
.m5-hero-banner img {
    width: 100%;
    height: 100%;
    min-height: 360px;
    object-fit: cover;
    display: block;
}
.m5-hero-banner-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 360px;
    color: rgba(255,255,255,.5);
    font-size: 14px;
}
.m5-hero-side {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.m5-hero-stats {
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    padding: 24px;
    flex: 1;
    box-shadow: var(--m5-shadow);
}
.m5-hero-stats h3 {
    font-size: 13px;
    font-weight: 600;
    color: var(--m5-ink-3);
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--m5-line);
}
.m5-hero-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px 24px;
}
.m5-hero-stats-grid .item .lab {
    display: block;
    font-size: 12px;
    color: var(--m5-ink-3);
    margin-bottom: 4px;
}
.m5-hero-stats-grid .item .val {
    display: block;
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--m5-ink);
    letter-spacing: -0.01em;
    line-height: 1.2;
}
.m5-hero-stats-grid .item .val.verified {
    color: var(--m5-accent-2);
    display: inline-flex; align-items: center; gap: 6px;
}
.m5-hero-stats-grid .item .val.verified::before {
    content: "✓";
    display: inline-flex; align-items: center; justify-content: center;
    width: 18px; height: 18px;
    background: var(--m5-accent-2); color: #fff;
    border-radius: 50%;
    font-size: 11px; font-weight: 700;
}
.m5-hero-cta {
    background: var(--m5-accent);
    color: #fff;
    border-radius: var(--m5-radius);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    text-decoration: none;
    transition: background .15s;
}
.m5-hero-cta:hover { background: var(--m5-accent-h); color: #fff; }
.m5-hero-cta strong {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 18px; font-weight: 700;
    letter-spacing: -0.01em;
}
.m5-hero-cta small {
    display: block;
    font-size: 12px;
    color: rgba(255,255,255,.85);
    margin-top: 4px;
}
.m5-hero-cta .arrow {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 24px;
    font-weight: 700;
}

/* ==========================================================================
   CATEGORY QUICK-PILLS
   ========================================================================== */
.m5-pills-bar {
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    overflow-x: auto;
    margin-bottom: 32px;
}
.m5-pills-bar .lab {
    font-size: 13px;
    color: var(--m5-ink-3);
    font-weight: 600;
    white-space: nowrap;
    padding-right: 12px;
    border-right: 1px solid var(--m5-line);
}
.m5-pills-bar a {
    display: inline-flex;
    align-items: center;
    height: 28px;
    padding: 0 12px;
    background: var(--m5-line-2);
    color: var(--m5-ink-2);
    font-size: 13px;
    border-radius: 14px;
    white-space: nowrap;
    transition: background .15s, color .15s;
}
.m5-pills-bar a:hover, .m5-pills-bar a.is-active {
    background: var(--m5-accent);
    color: #fff;
}

/* ==========================================================================
   PRODUCT GRID CARD · B2B 字段全暴露
   ========================================================================== */
.m5-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.m5-grid-3 { grid-template-columns: repeat(3, 1fr); }
.m5-grid-2 { grid-template-columns: repeat(2, 1fr); }

.m5-pcard {
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: box-shadow .2s, border-color .2s, transform .2s;
}
.m5-pcard:hover {
    border-color: var(--m5-accent);
    box-shadow: var(--m5-shadow-h);
    transform: translateY(-2px);
}
.m5-pcard-img {
    aspect-ratio: 1 / 1;
    background: var(--m5-line-2);
    overflow: hidden;
    position: relative;
}
.m5-pcard-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .3s;
}
.m5-pcard:hover .m5-pcard-img img { transform: scale(1.04); }
.m5-pcard-badges {
    position: absolute;
    top: 8px; left: 8px;
    display: flex; gap: 4px;
    z-index: 2;
}
.m5-pcard-body {
    padding: 12px 14px 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}
.m5-pcard-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--m5-ink);
    line-height: 1.45;
    height: 2.9em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.m5-pcard:hover .m5-pcard-title { color: var(--m5-accent); }
.m5-pcard-meta {
    font-size: 12px;
    color: var(--m5-ink-3);
    line-height: 1.4;
    height: 1.4em;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.m5-pcard-meta .sep { color: var(--m5-ink-4); margin: 0 4px; }
.m5-pcard-price {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--m5-accent);
    letter-spacing: -0.01em;
    font-feature-settings: "tnum" 1, "lnum" 1;
    line-height: 1.2;
}
.m5-pcard-price small {
    font-family: "Public Sans", sans-serif;
    font-size: 11px;
    font-weight: 500;
    color: var(--m5-ink-3);
    margin-left: 2px;
}
.m5-pcard-price.muted { color: var(--m5-ink-2); font-size: 16px; }
.m5-pcard-moq {
    font-size: 12px;
    color: var(--m5-ink-3);
}
.m5-pcard-moq strong { color: var(--m5-ink-2); font-weight: 600; }
.m5-pcard-actions {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 6px;
    margin-top: 6px;
}
.m5-pcard-btn-pri {
    display: inline-flex; align-items: center; justify-content: center;
    height: 32px;
    background: var(--m5-accent);
    color: #fff;
    font-size: 13px; font-weight: 600;
    border-radius: var(--m5-radius-btn);
    transition: background .15s;
}
.m5-pcard-btn-pri:hover { background: var(--m5-accent-h); color: #fff; }
.m5-pcard-btn-sec {
    display: inline-flex; align-items: center; justify-content: center;
    height: 32px; padding: 0 12px;
    background: #fff;
    color: var(--m5-ink-2);
    font-size: 13px; font-weight: 500;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius-btn);
    transition: color .15s, border-color .15s;
}
.m5-pcard-btn-sec:hover { color: var(--m5-accent); border-color: var(--m5-accent); }

/* compact list card (for sidebar widgets) */
.m5-list-mini {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.m5-list-mini a {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--m5-line-2);
    align-items: flex-start;
}
.m5-list-mini a:last-child { border-bottom: 0; }
.m5-list-mini a:hover .m5-list-mini-title { color: var(--m5-accent); }
.m5-list-mini-img {
    width: 56px; height: 56px;
    background: var(--m5-line-2);
    border-radius: 4px;
    overflow: hidden;
}
.m5-list-mini-img img { width: 100%; height: 100%; object-fit: cover; }
.m5-list-mini-info { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.m5-list-mini-title {
    font-size: 13px;
    line-height: 1.4;
    color: var(--m5-ink);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.m5-list-mini-price {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 13px; font-weight: 700;
    color: var(--m5-accent);
    font-feature-settings: "tnum" 1, "lnum" 1;
}

/* ==========================================================================
   LAYOUT · 左侧分类树 + 右侧内容
   ========================================================================== */
.m5-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 24px;
    align-items: flex-start;
}
.m5-side {
    position: sticky;
    top: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.m5-side-card {
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    overflow: hidden;
}
.m5-side-card-h {
    background: var(--m5-mast);
    color: #fff;
    padding: 12px 16px;
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.m5-side-card-h::before {
    content: "";
    display: inline-block;
    width: 3px; height: 14px;
    background: var(--m5-accent);
    margin-right: 8px;
}
.m5-side-card-body { padding: 8px 0; }
.m5-cat-tree { }
.m5-cat-tree li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    font-size: 13px;
    color: var(--m5-ink-2);
    border-left: 3px solid transparent;
    transition: background .15s, color .15s, border-color .15s;
}
.m5-cat-tree li a:hover {
    background: var(--m5-line-2);
    color: var(--m5-accent);
    border-left-color: var(--m5-accent);
}
.m5-cat-tree li a.is-active {
    background: rgba(247,103,7,.06);
    color: var(--m5-accent);
    font-weight: 600;
    border-left-color: var(--m5-accent);
}
.m5-cat-tree li a .arr {
    color: var(--m5-ink-4);
    font-size: 12px;
}
.m5-cat-tree li a:hover .arr,
.m5-cat-tree li a.is-active .arr { color: var(--m5-accent); }

.m5-side-contact {
    padding: 16px;
}
.m5-side-contact .lab {
    font-size: 12px;
    color: var(--m5-ink-3);
    margin-bottom: 4px;
}
.m5-side-contact .tel {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--m5-accent);
    letter-spacing: -0.01em;
    font-feature-settings: "tnum" 1, "lnum" 1;
    margin-bottom: 12px;
    line-height: 1.2;
}
.m5-side-contact dl {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 6px 8px;
    font-size: 12px;
}
.m5-side-contact dt { color: var(--m5-ink-3); }
.m5-side-contact dd { color: var(--m5-ink-2); margin: 0; }

.m5-side-widget-list { padding: 12px 16px; }

/* sort bar */
.m5-sort-bar {
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    padding: 10px 16px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.m5-sort-tabs {
    display: flex;
    align-items: center;
    gap: 0;
}
.m5-sort-tabs a {
    display: inline-flex;
    align-items: center;
    height: 32px;
    padding: 0 14px;
    font-size: 13px;
    color: var(--m5-ink-2);
    border: 1px solid var(--m5-line);
    border-right: 0;
}
.m5-sort-tabs a:first-child { border-top-left-radius: 4px; border-bottom-left-radius: 4px; }
.m5-sort-tabs a:last-child { border-right: 1px solid var(--m5-line); border-top-right-radius: 4px; border-bottom-right-radius: 4px; }
.m5-sort-tabs a.is-active {
    background: var(--m5-accent);
    color: #fff;
    border-color: var(--m5-accent);
}
.m5-sort-info {
    font-size: 12px;
    color: var(--m5-ink-3);
}
.m5-sort-info strong { color: var(--m5-accent); font-weight: 700; }

/* ==========================================================================
   PRODUCT DETAIL
   ========================================================================== */
.m5-pd-grid {
    display: grid;
    grid-template-columns: 60% 40%;
    gap: 32px;
    align-items: flex-start;
}
.m5-pd-gallery {
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    padding: 16px;
}
.m5-pd-gallery-main {
    aspect-ratio: 1 / 1;
    background: var(--m5-line-2);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 12px;
}
.m5-pd-gallery-main img {
    width: 100%; height: 100%;
    object-fit: contain;
}
.m5-pd-gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}
.m5-pd-gallery-thumbs .thumb {
    aspect-ratio: 1 / 1;
    background: var(--m5-line-2);
    border: 2px solid var(--m5-line);
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    transition: border-color .15s;
}
.m5-pd-gallery-thumbs .thumb:hover,
.m5-pd-gallery-thumbs .thumb.is-active {
    border-color: var(--m5-accent);
}
.m5-pd-gallery-thumbs .thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
}

.m5-pd-info {
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    padding: 24px;
    position: sticky;
    top: 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.m5-pd-badges {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.m5-pd-title {
    font-family: "Bricolage Grotesque", "PingFang SC", sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--m5-ink);
    line-height: 1.3;
    letter-spacing: -0.01em;
}
.m5-pd-price-box {
    background: linear-gradient(180deg, #fff7ed 0%, #ffedd5 100%);
    border: 1px solid #fed7aa;
    border-radius: var(--m5-radius);
    padding: 16px 20px;
}
.m5-pd-price-lab {
    font-size: 12px;
    color: var(--m5-ink-3);
    margin-bottom: 4px;
}
.m5-pd-price {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 30px;
    font-weight: 700;
    color: var(--m5-accent);
    letter-spacing: -0.02em;
    font-feature-settings: "tnum" 1, "lnum" 1;
    line-height: 1.1;
}
.m5-pd-price small {
    font-family: "Public Sans", sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: var(--m5-ink-3);
    margin-left: 4px;
}

.m5-pd-attrs {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 10px 16px;
    font-size: 13px;
    border-top: 1px solid var(--m5-line);
    border-bottom: 1px solid var(--m5-line);
    padding: 14px 0;
}
.m5-pd-attrs dt { color: var(--m5-ink-3); }
.m5-pd-attrs dd { color: var(--m5-ink); margin: 0; font-weight: 500; }

.m5-pd-cta-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.m5-pd-cta-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

/* trust card */
.m5-pd-supplier {
    background: var(--m5-bg-2);
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    padding: 16px;
}
.m5-pd-supplier-h {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--m5-line);
}
.m5-pd-supplier-logo {
    width: 40px; height: 40px;
    object-fit: contain;
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: 4px;
    padding: 2px;
}
.m5-pd-supplier-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--m5-ink);
    line-height: 1.3;
    margin-bottom: 2px;
}
.m5-pd-supplier-tags {
    display: flex;
    gap: 8px;
    align-items: center;
}
.m5-pd-supplier-attrs {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 6px 12px;
    font-size: 12px;
    margin-bottom: 12px;
}
.m5-pd-supplier-attrs dt { color: var(--m5-ink-3); }
.m5-pd-supplier-attrs dd { color: var(--m5-ink-2); margin: 0; }

/* tabs */
.m5-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--m5-line);
    margin-bottom: 24px;
}
.m5-tab {
    display: inline-flex;
    align-items: center;
    height: 44px;
    padding: 0 24px;
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 15px;
    font-weight: 600;
    color: var(--m5-ink-3);
    border-bottom: 3px solid transparent;
    margin-bottom: -1px;
    cursor: default;
    letter-spacing: -0.01em;
}
.m5-tab.is-active {
    color: var(--m5-ink);
    border-bottom-color: var(--m5-accent);
}
.m5-tab-panel {
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    padding: 28px 32px;
}

/* params table */
.m5-params {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.m5-params tr { border-bottom: 1px solid var(--m5-line-2); }
.m5-params tr:last-child { border-bottom: 0; }
.m5-params th {
    width: 130px;
    padding: 12px 16px;
    background: var(--m5-bg-2);
    color: var(--m5-ink-3);
    font-weight: 500;
    text-align: left;
}
.m5-params td {
    padding: 12px 16px;
    color: var(--m5-ink);
    font-weight: 500;
}

/* prose */
.m5-prose { color: var(--m5-ink-2); font-size: 14px; line-height: 1.85; }
.m5-prose h1, .m5-prose h2, .m5-prose h3, .m5-prose h4 {
    color: var(--m5-ink); margin: 24px 0 12px;
}
.m5-prose h2 { font-size: 20px; }
.m5-prose h3 { font-size: 17px; }
.m5-prose p { margin: 0 0 14px; }
.m5-prose img { border-radius: 4px; margin: 14px 0; }
.m5-prose ul, .m5-prose ol { margin: 0 0 14px; padding-left: 22px; }
.m5-prose ul { list-style: disc; }
.m5-prose ol { list-style: decimal; }
.m5-prose a { color: var(--m5-accent); text-decoration: underline; }
.m5-prose strong { color: var(--m5-ink); font-weight: 600; }

/* ==========================================================================
   INFORMATION PAGE
   ========================================================================== */
.m5-info-grid {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 32px;
    align-items: flex-start;
}
.m5-info-nav {
    position: sticky;
    top: 24px;
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    padding: 8px 0;
}
.m5-info-nav a {
    display: block;
    padding: 10px 16px;
    font-size: 13px;
    color: var(--m5-ink-2);
    border-left: 3px solid transparent;
}
.m5-info-nav a:hover, .m5-info-nav a.is-active {
    background: var(--m5-line-2);
    color: var(--m5-accent);
    border-left-color: var(--m5-accent);
}
.m5-info-content {
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    padding: 32px 40px;
}
.m5-info-section + .m5-info-section { margin-top: 32px; padding-top: 32px; border-top: 1px solid var(--m5-line); }
.m5-info-section h2 {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 20px;
    color: var(--m5-ink);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--m5-accent);
    display: inline-block;
}
.m5-info-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin: 18px 0;
}
.m5-info-stats .item {
    background: var(--m5-bg-2);
    border-radius: var(--m5-radius);
    padding: 16px;
    text-align: center;
}
.m5-info-stats .item .lab {
    font-size: 12px;
    color: var(--m5-ink-3);
    margin-bottom: 6px;
}
.m5-info-stats .item .val {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--m5-ink);
    letter-spacing: -0.01em;
}

/* ==========================================================================
   CONTACT PAGE
   ========================================================================== */
.m5-contact-grid {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 24px;
    align-items: flex-start;
}
.m5-contact-card {
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    padding: 28px 32px;
}
.m5-contact-dl {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 14px 16px;
    font-size: 14px;
    margin-bottom: 24px;
}
.m5-contact-dl dt { color: var(--m5-ink-3); font-weight: 500; }
.m5-contact-dl dd { color: var(--m5-ink); margin: 0; font-weight: 500; }
.m5-contact-dl dd a { color: var(--m5-accent); }
.m5-contact-cta-card {
    background: linear-gradient(135deg, #f76707 0%, #d2580c 100%);
    color: #fff;
    border-radius: var(--m5-radius);
    padding: 24px;
    text-align: center;
}
.m5-contact-cta-card h3 {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
    color: #fff;
}
.m5-contact-cta-card .tel {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    margin: 12px 0;
    letter-spacing: -0.01em;
    font-feature-settings: "tnum" 1, "lnum" 1;
}
.m5-contact-cta-card small {
    display: block;
    font-size: 12px;
    color: rgba(255,255,255,.85);
    margin-bottom: 14px;
}
.m5-contact-cta-card .m5-btn {
    background: #fff;
    color: var(--m5-accent);
    border-color: #fff;
}
.m5-contact-cta-card .m5-btn:hover {
    background: var(--m5-mast);
    border-color: var(--m5-mast);
    color: #fff;
}
.m5-contact-side {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.m5-qr {
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    padding: 24px;
    text-align: center;
}
.m5-qr h3 {
    font-size: 14px;
    color: var(--m5-ink-2);
    margin-bottom: 14px;
    font-weight: 600;
}
.m5-qr img {
    max-width: 200px;
    margin: 0 auto 12px;
}
.m5-qr p { font-size: 12px; color: var(--m5-ink-3); }
.m5-map-placeholder {
    background: var(--m5-bg-2);
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--m5-ink-3);
    font-size: 13px;
    flex-direction: column;
    gap: 6px;
}

/* ==========================================================================
   NEWS LIST / DETAIL
   ========================================================================== */
.m5-news-list {
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    overflow: hidden;
}
.m5-news-list li {
    display: grid;
    grid-template-columns: 160px 1fr auto;
    gap: 20px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--m5-line);
    align-items: center;
    transition: background .15s;
}
.m5-news-list li:last-child { border-bottom: 0; }
.m5-news-list li:hover { background: var(--m5-bg-2); }
.m5-news-list .thumb {
    width: 160px; height: 100px;
    background: var(--m5-line-2);
    border-radius: 4px;
    overflow: hidden;
}
.m5-news-list .thumb img { width: 100%; height: 100%; object-fit: cover; }
.m5-news-list .body { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.m5-news-list .body h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--m5-ink);
    line-height: 1.4;
}
.m5-news-list li:hover .body h3 { color: var(--m5-accent); }
.m5-news-list .body .summary {
    font-size: 13px;
    color: var(--m5-ink-3);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.m5-news-list .date {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 13px;
    color: var(--m5-ink-3);
    text-align: right;
    white-space: nowrap;
    font-feature-settings: "tnum" 1, "lnum" 1;
}

.m5-news-detail-h {
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    padding: 32px 40px;
    margin-bottom: 24px;
}
.m5-news-detail-h h1 {
    font-family: "Bricolage Grotesque", "PingFang SC", sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--m5-ink);
    line-height: 1.35;
    margin-bottom: 14px;
    letter-spacing: -0.01em;
}
.m5-news-detail-meta {
    display: flex;
    gap: 18px;
    font-size: 12px;
    color: var(--m5-ink-3);
    padding-bottom: 14px;
    border-bottom: 1px solid var(--m5-line);
}
.m5-news-detail-body {
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    padding: 32px 40px;
}
.m5-news-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 24px;
}
.m5-news-nav a {
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    padding: 14px 18px;
    font-size: 13px;
    color: var(--m5-ink-2);
    display: flex; align-items: center; gap: 8px;
    transition: border-color .15s, color .15s;
}
.m5-news-nav a:hover { border-color: var(--m5-accent); color: var(--m5-accent); }
.m5-news-nav a.next { justify-content: flex-end; text-align: right; }
.m5-news-nav .lab { color: var(--m5-ink-3); font-size: 12px; }

/* ==========================================================================
   SITEMAP
   ========================================================================== */
.m5-sitemap-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}
.m5-sitemap-card {
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    padding: 20px 22px;
}
.m5-sitemap-card h3 {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 14px;
    color: var(--m5-ink);
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--m5-accent);
    font-weight: 700;
    letter-spacing: -0.01em;
}
.m5-sitemap-card ul li {
    padding: 6px 0;
    font-size: 13px;
}
.m5-sitemap-card ul li a {
    color: var(--m5-ink-2);
    transition: color .15s;
    display: inline-flex; align-items: center; gap: 6px;
}
.m5-sitemap-card ul li a:hover { color: var(--m5-accent); }
.m5-sitemap-card ul li a::before {
    content: "›";
    color: var(--m5-ink-4);
    font-size: 12px;
}
.m5-sitemap-list-cols {
    column-count: 4;
    column-gap: 24px;
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: var(--m5-radius);
    padding: 24px;
}
.m5-sitemap-list-cols li {
    break-inside: avoid;
    padding: 4px 0;
    font-size: 13px;
}
.m5-sitemap-list-cols li a {
    color: var(--m5-ink-2);
    display: inline-flex; align-items: baseline; gap: 6px;
}
.m5-sitemap-list-cols li a:hover { color: var(--m5-accent); }
.m5-sitemap-list-cols li a .num {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 11px;
    color: var(--m5-ink-4);
    font-feature-settings: "tnum" 1, "lnum" 1;
    min-width: 26px;
}

/* ==========================================================================
   PAGER
   ========================================================================== */
.m5-pager {
    margin-top: 24px;
    display: flex;
    justify-content: center;
}
.m5-pager .pagination,
.m5-pager ul {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    padding: 0;
    margin: 0;
}
.m5-pager li a, .m5-pager li span {
    display: inline-flex;
    align-items: center; justify-content: center;
    min-width: 32px; height: 32px;
    padding: 0 10px;
    font-size: 13px;
    color: var(--m5-ink-2);
    background: #fff;
    border: 1px solid var(--m5-line);
    border-radius: 4px;
    font-family: "Bricolage Grotesque", sans-serif;
    font-feature-settings: "tnum" 1, "lnum" 1;
}
.m5-pager li a:hover { color: var(--m5-accent); border-color: var(--m5-accent); }
.m5-pager li.active a, .m5-pager li.active span,
.m5-pager li.current a, .m5-pager li.current span {
    background: var(--m5-accent);
    color: #fff;
    border-color: var(--m5-accent);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.m5-footer {
    background: var(--m5-mast-2);
    color: rgba(255,255,255,.6);
    padding: 40px 0 24px;
    font-size: 13px;
    margin-top: 56px;
}
.m5-footer-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 32px;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.m5-footer-col h4 {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
    letter-spacing: -0.01em;
}
.m5-footer-col p { color: rgba(255,255,255,.6); margin: 0 0 8px; line-height: 1.7; }
.m5-footer-col ul li { padding: 4px 0; }
.m5-footer-col a { color: rgba(255,255,255,.7); }
.m5-footer-col a:hover { color: var(--m5-highlight); }
.m5-footer-col .tel-big {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--m5-accent);
    letter-spacing: -0.01em;
    font-feature-settings: "tnum" 1, "lnum" 1;
}
.m5-footer-bottom {
    padding-top: 20px;
    text-align: center;
    color: rgba(255,255,255,.45);
    font-size: 12px;
}
.m5-footer-bottom a { color: rgba(255,255,255,.6); }
.m5-footer-bottom a:hover { color: var(--m5-highlight); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
    .m5-grid { grid-template-columns: repeat(3, 1fr); }
    .m5-hero-grid { grid-template-columns: 1fr; }
    .m5-pd-grid { grid-template-columns: 1fr; }
    .m5-pd-info { position: static; }
    .m5-layout { grid-template-columns: 200px 1fr; gap: 16px; }
    .m5-info-grid { grid-template-columns: 1fr; }
    .m5-info-nav { position: static; display: flex; flex-wrap: wrap; padding: 8px; }
    .m5-info-nav a { border-left: 0; border-bottom: 2px solid transparent; }
    .m5-info-nav a:hover, .m5-info-nav a.is-active { border-left: 0; border-bottom-color: var(--m5-accent); }
    .m5-contact-grid { grid-template-columns: 1fr; }
    .m5-sitemap-grid { grid-template-columns: repeat(2, 1fr); }
    .m5-sitemap-list-cols { column-count: 2; }
    .m5-footer-row { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .m5-shell { padding: 0 16px; }
    .m5-section { padding: 32px 0; }
    .m5-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .m5-info-stats { grid-template-columns: repeat(2, 1fr); }
    .m5-mast-row { grid-template-columns: 1fr; gap: 12px; padding: 16px 0; }
    .m5-mast-cta { text-align: left; }
    .m5-trust-strip-row { height: auto; padding: 8px 0; }
    .m5-nav-inner { overflow-x: auto; }
    .m5-nav-inner a { padding: 0 16px; height: 44px; }
    .m5-layout { grid-template-columns: 1fr; }
    .m5-side { position: static; }
    .m5-news-list li { grid-template-columns: 100px 1fr; gap: 12px; padding: 14px 16px; }
    .m5-news-list .thumb { width: 100px; height: 70px; }
    .m5-news-list .date { display: none; }
    .m5-pd-gallery-thumbs { grid-template-columns: repeat(4, 1fr); }
    .m5-tabs { overflow-x: auto; }
    .m5-tab { padding: 0 16px; font-size: 14px; }
    .m5-tab-panel { padding: 20px; }
    .m5-info-content { padding: 20px; }
    .m5-news-detail-h, .m5-news-detail-body { padding: 20px; }
    .m5-pd-title { font-size: 18px; }
    .m5-pd-price { font-size: 24px; }
    .m5-section-h h2 { font-size: 20px; }
    .m5-sitemap-grid { grid-template-columns: 1fr; }
    .m5-sitemap-list-cols { column-count: 1; }
    .m5-footer-row { grid-template-columns: 1fr; gap: 20px; }
    .m5-pd-cta-row { grid-template-columns: 1fr; }
}