:root {
    /* ===== New design tokens (Honeywell-style light theme) ===== */
    --bg-page: #ffffff;
    --bg-alt: #f5f6f7;
    --bg-dark: #0e1a2b;
    --ink-primary: #0e1a2b;
    --ink-muted: #5b6472;
    --ink-subtle: #8a93a0;
    --brand: #1d3f6e;
    --brand-hover: #17345a;
    --accent: #b4895b;
    --border: #e5e7eb;
    --border-strong: #0e1a2b;
    --shadow-sm: 0 2px 6px rgba(14, 26, 43, 0.04);
    --shadow-md: 0 8px 24px rgba(14, 26, 43, 0.08);
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 20px;
    --space-lg: 32px;
    --space-xl: 52px;
    --space-2xl: 80px;
    --space-3xl: 120px;
    --container: min(1240px, calc(100vw - 48px));
    --font-display: "Noto Serif SC", "Libre Baskerville", "Songti SC", Georgia, serif;
    --font-body: "Noto Sans SC", "Source Sans 3", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --font-display-latin: "Libre Baskerville", Georgia, serif;
    --font-body-latin: "Source Sans 3", "Helvetica Neue", Arial, sans-serif;
    --font-display-cjk: "Noto Serif SC", "Songti SC", serif;
    --font-body-cjk: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --font-display-dev: "Tiro Devanagari Hindi", serif;
    --font-body-dev: "Noto Sans Devanagari", sans-serif;
    /* ===== Temporary aliases (removed in Task 12 after all sections rewritten) ===== */
    --bg: var(--bg-page);
    --bg-deep: var(--bg-alt);
    --surface: var(--bg-page);
    --surface-strong: var(--bg-page);
    --surface-muted: var(--bg-alt);
    --surface-elevated: var(--bg-page);
    --surface-tint: var(--bg-alt);
    --surface-dark: var(--bg-dark);
    --ink: var(--ink-primary);
    --ink-soft: var(--ink-muted);
    --ink-faint: var(--ink-subtle);
    --brand-strong: var(--brand-hover);
    --brand-soft: #c6d1e0;
    --wood: var(--accent);
    --wood-soft: #e6d4bf;
    --wood-deep: #8f6a42;
    --line: var(--border);
    --line-strong: #cfd3d9;
    --text-on-dark: #ffffff;
    --text-on-dark-soft: rgba(255, 255, 255, 0.72);
    --focus-ring: var(--brand);
    --focus-shadow: 0 0 0 3px rgba(29, 63, 110, 0.2);
    --shadow-lg: 0 16px 48px rgba(14, 26, 43, 0.12);
    --radius-xs: 4px;
    --space-2xs: 4px;
    --space-2xl-old: 48px;
    --space-3xl-old: 64px;
    --space-4xl: 96px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 108px;
}

/* ───── Shared Components (new) ───── */

.eyebrow {
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.eyebrow::before {
    content: "";
    width: 28px;
    height: 2px;
    background: var(--accent);
    flex-shrink: 0;
}

.btn-new {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    font-size: 13px;
    font-weight: 700;
    font-family: var(--font-body);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    border: 1px solid transparent;
    cursor: pointer;
    line-height: 1.2;
}

.btn-new.primary {
    background: var(--brand);
    color: #fff;
}

.btn-new.primary:hover {
    background: var(--brand-hover);
}

.btn-new.secondary {
    background: transparent;
    color: var(--brand);
    border-color: var(--brand);
}

.btn-new.secondary:hover {
    background: var(--brand);
    color: #fff;
}

.divider-accent {
    width: 28px;
    height: 2px;
    background: var(--accent);
    display: block;
}

.section-new {
    padding: var(--space-3xl) 0;
    background: var(--bg-page);
    position: relative;
}

.section-new.alt {
    background: var(--bg-alt);
}

.container-new {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

body {
    margin: 0;
    font: 400 15px/1.65 var(--font-body);
    color: var(--ink-primary);
    background: var(--bg-page);
    min-height: 100vh;
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    color: var(--ink-primary);
    font-weight: 700;
    letter-spacing: -0.005em;
    margin: 0;
}

h1 { font-size: 48px; line-height: 1.12; }
h2 { font-size: 36px; line-height: 1.2; }
h3 { font-size: 22px; line-height: 1.3; }
h4 { font-size: 17px; line-height: 1.4; }

a {
    color: var(--brand);
}

img {
    display: block;
    max-width: 100%;
}

img[loading="lazy"] {
    content-visibility: auto;
}

a,
button {
    color: inherit;
    font: inherit;
}

a {
    -webkit-tap-highlight-color: transparent;
}

button {
    border: 0;
    background: none;
    cursor: pointer;
}

p,
li {
    color: var(--ink-soft);
}

html[lang^="zh"] body {
    font-family: var(--font-body-cjk);
    line-break: strict;
    word-break: keep-all;
}

html[lang^="zh"] .hero-new-title,
html[lang^="zh"] h2,
html[lang^="zh"] .footer-name {
    font-family: var(--font-display-cjk);
    letter-spacing: -0.03em;
}

html[lang="en"] body {
    font-family: var(--font-body-latin);
}

html[lang="en"] .hero-new-title,
html[lang="en"] h2,
html[lang="en"] .footer-name {
    font-family: var(--font-display-latin);
}

html[lang="en"] .hero-new-copy {
    max-width: 35ch;
}

html[lang="en"] .hero-new-title {
    max-width: 22ch;
    font-size: 44px;
}

html:not([lang^="zh"]) .footer-summary {
    overflow-wrap: anywhere;
}

.page-shell {
    position: relative;
    z-index: 1;
}

.container {
    width: var(--container);
    margin: 0 auto;
}

.topbar {
    border-bottom: 1px solid var(--line);
    background: color-mix(in oklab, var(--surface-strong) 92%, transparent);
    backdrop-filter: blur(18px);
}

.topbar-inner {
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    font-size: 0.94rem;
}

.topbar-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 24px;
    align-items: center;
}

.topbar-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.topbar-item a {
    color: var(--ink);
    text-decoration: none;
    font-weight: 600;
}

.topbar-label {
    color: var(--ink-faint);
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.topbar-link {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    color: var(--brand);
    text-decoration: none;
    font-weight: 700;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: color-mix(in oklab, var(--surface-strong) 88%, transparent);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    min-height: 88px;
    display: grid;
    grid-template-columns: minmax(320px, 420px) minmax(0, 1fr) auto;
    align-items: center;
    gap: clamp(14px, 1.8vw, 22px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    min-height: 56px;
    min-width: 0;
    text-decoration: none;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
}

.brand-mark img {
    height: 40px;
    width: auto;
    display: block;
    object-fit: contain;
    border-radius: 6px;
    border: 1px solid var(--border);
    box-shadow: 0 1px 2px rgba(14, 26, 43, 0.04);
    transform: translateY(2px);
}

.brand-copy {
    display: flex;
    align-items: center;
    min-width: 0;
}

.brand-name {
    color: var(--ink);
    font-size: clamp(1rem, 0.76rem + 0.44vw, 1.16rem);
    font-weight: 700;
    line-height: 1.2;
    text-wrap: pretty;
}

.brand-subtitle {
    color: var(--ink-faint);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    white-space: nowrap;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 16px;
    min-width: 0;
    justify-self: center;
}

.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    color: var(--ink-soft);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.98rem;
    transition: color 180ms ease;
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 100%;
    height: 1px;
    background: color-mix(in oklab, var(--wood) 60%, var(--brand) 40%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 180ms ease;
}

.nav-link:hover,
.nav-link:focus-visible {
    color: var(--ink);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
    transform: scaleX(1);
}

.language-switcher {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px;
    background: color-mix(in oklab, var(--surface) 86%, var(--bg-deep) 14%);
    border: 1px solid var(--line);
    border-radius: 999px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
    justify-self: end;
}

.lang-btn {
    min-width: 54px;
    min-height: 44px;
    padding: 10px 14px;
    border-radius: 999px;
    color: var(--ink-faint);
    font-size: 0.88rem;
    font-weight: 700;
    transition:
        background 180ms ease,
        color 180ms ease,
        transform 180ms ease;
}

.lang-btn:hover,
.lang-btn:focus-visible {
    color: var(--ink);
}

.lang-btn.is-active {
    color: oklch(0.98 0.006 85);
    background: linear-gradient(145deg, var(--brand), color-mix(in oklab, var(--wood) 28%, var(--brand) 72%));
    box-shadow: var(--shadow-sm);
}

/* ───── Hero (new) ───── */

.hero-new {
    padding: var(--space-3xl) 0 var(--space-2xl);
    background: var(--bg-page);
}

.hero-new-grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 48px;
    align-items: center;
    min-height: 440px;
}

.hero-new-left {
    padding: 0;
}

.hero-new-title {
    font-size: 48px;
    line-height: 1.12;
    margin: 14px 0 18px;
    color: var(--ink-primary);
    font-family: var(--font-display);
    font-weight: 700;
}

.hero-new-title em {
    font-style: normal;
    color: var(--brand);
}

.hero-new-copy {
    font-size: 15px;
    line-height: 1.7;
    color: var(--ink-muted);
    max-width: 460px;
    margin: 0;
}

.hero-new-ctas {
    display: flex;
    gap: 12px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.hero-new-right {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--bg-alt);
}

.hero-new-right picture,
.hero-new-right img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero-new-chip {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(14, 26, 43, 0.88);
    color: #fff;
    font-size: 11px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    letter-spacing: 0.02em;
}

/* ───── Legacy shared rules (preserved) ───── */

.footer-title {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--wood);
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-weight: 700;
}

.footer-summary {
    line-height: 1.78;
    text-wrap: pretty;
}

:where(.brand, .nav-link, .lang-btn, .btn-new, .product-card-link, .topbar-link, .footer-links a, .contact-channel-value, .back-to-top):focus-visible {
    outline: 2px solid var(--focus-ring);
    outline-offset: 3px;
    box-shadow: var(--focus-shadow);
    border-radius: var(--radius-sm);
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 1000;
    padding: 14px 22px;
    background: var(--brand);
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0 0 12px 0;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.25);
}

.skip-link:focus,
.skip-link:focus-visible {
    left: 0;
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}


/* ───── Hero closers: data strip + pill band (new) ───── */

.hero-strip {
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
}

.hero-strip-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    padding: 22px 24px;
}

.hero-strip-item {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding-left: 16px;
    border-left: 2px solid var(--accent);
}

.hero-strip-item b {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    color: var(--ink-primary);
    line-height: 1.2;
}

.hero-strip-item span {
    font-size: 12px;
    color: var(--ink-muted);
    line-height: 1.5;
}

.hero-pills {
    background: var(--bg-dark);
    color: #fff;
}

.hero-pills-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    padding: 14px 24px;
    font-size: 11px;
}

.hero-pills-label {
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 0.06em;
    margin-right: 6px;
}

.service-pill-new {
    background: rgba(255, 255, 255, 0.1);
    padding: 5px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: #fff;
    white-space: nowrap;
}

/* ───── Products (new) ───── */

.products-head {
    margin-bottom: 32px;
    max-width: 720px;
}

.products-head h2.products-title {
    margin-top: 10px;
    font-size: 32px;
}

.products-group-label {
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ink-muted);
    font-weight: 700;
    margin: 32px 0 14px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.products-group-label::before {
    content: "";
    width: 28px;
    height: 1px;
    background: var(--accent);
    flex-shrink: 0;
}

.products-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.products-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.product-card-new {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: box-shadow 0.2s;
}

.product-card-new:hover {
    box-shadow: var(--shadow-md);
}

.product-card-media {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--bg-alt);
    overflow: hidden;
}

.product-card-media picture,
.product-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.product-card-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(14, 26, 43, 0.88);
    color: #fff;
    font-size: 10px;
    padding: 4px 10px;
    border-radius: 3px;
    letter-spacing: 0.08em;
    font-weight: 700;
}

.product-card-badge.accent {
    background: var(--accent);
}

.product-card-body {
    padding: 22px 24px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 8px;
}

.product-card-body h3 {
    font-family: var(--font-display);
    font-size: 18px;
    line-height: 1.3;
    color: var(--ink-primary);
    margin: 4px 0 2px;
}

.product-card-body p {
    color: var(--ink-muted);
    font-size: 13px;
    line-height: 1.6;
    margin: 0 0 12px;
    min-height: 4.8em;
}

.product-spec-table {
    margin: 0 0 14px;
    padding: 0;
    border-top: 1px solid var(--border);
    display: grid;
    grid-template-columns: 70px 1fr;
    gap: 0;
    align-items: baseline;
}

.product-spec-table dt {
    padding: 8px 12px 8px 0;
    border-bottom: 1px solid #eef0f2;
    font-size: 11.5px;
    color: var(--ink-subtle);
    font-weight: 400;
}

.product-spec-table dd {
    padding: 8px 0;
    border-bottom: 1px solid #eef0f2;
    margin: 0;
    font-size: 11.5px;
    color: var(--ink-primary);
}

.product-card-link {
    margin-top: auto;
    color: var(--brand);
    font-weight: 700;
    font-size: 12.5px;
    text-decoration: none;
    padding-top: 10px;
    border-top: 1px solid var(--border);
    align-self: flex-start;
}

html[lang="en"] .products-grid-3 .product-card-body h3 {
    min-height: 2.6em;
}

html[lang="en"] .product-card-body p {
    min-height: 7.5em;
}

.products-grid-4 .product-card-body p {
    min-height: 6.4em;
}

html[lang="en"] .products-grid-4 .product-card-body p {
    min-height: 9.6em;
}

.product-card-link:hover {
    color: var(--brand-hover);
    text-decoration: underline;
    text-underline-offset: 0.22em;
}

.topbar-link:hover,
.topbar-link:focus-visible {
    text-decoration: underline;
    text-underline-offset: 0.22em;
}

/* ───── Core Strengths (new) ───── */

.reasons-head {
    margin-bottom: 32px;
    max-width: 720px;
}

.reasons-head h2 {
    margin-top: 10px;
    font-size: 30px;
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.strength-col {
    padding-top: 20px;
    border-top: 2px solid var(--border-strong);
}

.strength-num {
    font-family: var(--font-display);
    font-size: 11px;
    color: var(--accent);
    letter-spacing: 0.18em;
    font-weight: 700;
}

.strength-col h4 {
    font-size: 14px;
    line-height: 1.4;
    margin: 6px 0;
    color: var(--ink-primary);
    font-family: var(--font-display);
    font-weight: 700;
}

.strength-col p {
    font-size: 12px;
    color: var(--ink-muted);
    line-height: 1.65;
    margin: 0;
}

/* ───── Company (new) ───── */

.company-head {
    max-width: 720px;
    margin-bottom: 32px;
}

.company-head h2 {
    margin-top: 10px;
    font-size: 30px;
}

.company-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: start;
}

.company-grid .company-copy p {
    color: var(--ink-muted);
    font-size: 14px;
    line-height: 1.8;
    margin: 0;
    max-width: 520px;
}

.company-facts {
    margin: 0;
    padding-left: 20px;
    border-left: 2px solid var(--accent);
}

.company-facts dt {
    font-size: 10.5px;
    color: var(--ink-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 2px;
    font-weight: 700;
}

.company-facts dd {
    margin: 0 0 14px;
    font-size: 14px;
    color: var(--ink-primary);
}

.company-facts-note {
    font-size: 11.5px !important;
    color: var(--ink-muted) !important;
    margin-top: -10px !important;
}

/* ───── Partners logo bar (new) ───── */

.partners-section {
    padding: 24px 0 48px;
    background: var(--bg-alt);
}

.partners-label {
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ink-muted);
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}

.partners-row {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.partners-slot {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partners-slot:not(:last-child) {
    border-right: 1px solid var(--border);
}

.partners-slot img {
    max-width: 70%;
    max-height: 55%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.footer-summary,
.footer-links a {
    font-size: 0.96rem;
}

/* ───── Factory gallery (photo-first, de-escalated) ───── */

.factory-head {
    max-width: 720px;
    margin-bottom: 32px;
}

.factory-head h2 {
    margin-top: 10px;
    font-size: 30px;
    line-height: 1.2;
}

.factory-intro {
    color: var(--ink-muted);
    font-size: 14px;
    margin: 10px 0 0;
    line-height: 1.8;
    max-width: 520px;
}

.factory-gallery {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.factory-shot {
    margin: 0;
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: box-shadow 0.2s;
}

.factory-shot:hover {
    box-shadow: var(--shadow-md);
}

.factory-shot picture,
.factory-shot img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
}

.factory-shot figcaption {
    padding: 22px 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.factory-shot figcaption h4 {
    font-family: var(--font-display);
    margin: 4px 0 2px;
    font-size: 18px;
    line-height: 1.3;
    color: var(--ink-primary);
}

.factory-shot figcaption p {
    margin: 0;
    font-size: 13px;
    color: var(--ink-muted);
    line-height: 1.6;
}

/* ───── Quality & Certifications panel ───── */

.quality-head {
    max-width: 720px;
    margin-bottom: 32px;
}

.quality-head h2 {
    margin-top: 10px;
    font-size: 30px;
    line-height: 1.25;
}

.quality-intro {
    color: var(--ink-muted);
    font-size: 14px;
    margin: 10px 0 0;
    line-height: 1.8;
    max-width: 620px;
}

.quality-section {
    padding-bottom: 48px;
}

.quality-panel {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 32px;
    align-items: start;
}

.quality-checks {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quality-check-item {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 16px;
    padding: 16px 20px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    align-items: start;
}

.quality-check-num {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    letter-spacing: 0.04em;
}

.quality-check-item h4 {
    font-family: var(--font-display);
    margin: 0 0 4px;
    font-size: 14px;
    line-height: 1.35;
    color: var(--ink-primary);
}

.quality-check-item p {
    margin: 0;
    font-size: 12.5px;
    color: var(--ink-muted);
    line-height: 1.6;
}

.quality-cert {
    background: #fff;
    padding: 20px 20px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.quality-cert .eyebrow {
    display: block;
    margin-bottom: 4px;
    font-size: 10.5px;
    color: var(--ink-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 700;
}

.quality-cert h3 {
    font-family: var(--font-display);
    margin: 0 0 12px;
    font-size: 15px;
    line-height: 1.35;
    color: var(--ink-primary);
}

.quality-cert picture {
    display: block;
    width: auto;
    margin: 0 0 12px;
}

.quality-cert picture img {
    width: auto;
    max-width: 100%;
    max-height: 220px;
    height: auto;
    display: block;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.cert-meta {
    margin: 0;
    font-size: 12px;
    color: var(--ink-muted);
    line-height: 1.65;
    letter-spacing: 0.02em;
}

/* Language-aware cert image swap */
html[lang="zh-CN"] .cert-en,
html[lang="zh"] .cert-en {
    display: none;
}

html[lang="en"] .cert-zh {
    display: none;
}

/* ───── Contact (new: form + dark channels) ───── */

.contact-head {
    max-width: 720px;
    margin-bottom: 32px;
}

.contact-head h2 {
    margin-top: 10px;
    font-size: 30px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    gap: 28px;
    align-items: start;
}

.contact-form {
    background: #fff;
    padding: 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contact-chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 2px;
}

.contact-chip {
    font-size: 12px;
    padding: 7px 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--ink-muted);
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}

.contact-chip:hover {
    background: var(--bg-alt);
    color: var(--ink-primary);
}

.contact-chip.is-active {
    background: var(--bg-dark);
    color: #fff;
    border-color: var(--bg-dark);
    cursor: default;
}

.contact-hints {
    list-style: none;
    padding: 0;
    margin: 0 0 6px;
    color: var(--ink-muted);
    font-size: 12px;
    line-height: 1.7;
}

.contact-hints li {
    position: relative;
    padding-left: 14px;
    margin-bottom: 2px;
}

.contact-hints li::before {
    content: "·";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

.contact-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.contact-row label,
.contact-row-full {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 11.5px;
    color: var(--ink-muted);
    font-weight: 600;
    letter-spacing: 0.04em;
}

.contact-row input,
.contact-row select,
.contact-row-full textarea {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    font: inherit;
    font-size: 13px;
    color: var(--ink-primary);
    font-weight: 400;
}

.contact-row input:focus,
.contact-row select:focus,
.contact-row-full textarea:focus {
    outline: 2px solid var(--brand);
    outline-offset: 0;
    background: #fff;
}

.contact-row-full textarea {
    resize: vertical;
    min-height: 90px;
}

.contact-submit {
    align-self: flex-start;
    margin-top: 4px;
    border: 0;
}

.contact-channels {
    background: var(--bg-dark);
    color: #fff;
    padding: 28px;
    border-radius: var(--radius-lg);
}

.contact-channels h3 {
    color: #fff;
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 700;
    margin: 0 0 16px;
}

.contact-channel {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-channel:last-child {
    border-bottom: none;
}

.contact-channel-label {
    font-size: 10.5px;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 3px;
    font-weight: 700;
}

.contact-channel-value {
    font-size: 13.5px;
    color: #fff;
    text-decoration: none;
    display: block;
}

a.contact-channel-value:hover {
    color: var(--accent);
}

.footer {
    padding: 30px 0 22px;
    background:
        linear-gradient(180deg, rgba(26, 33, 45, 0.98), rgba(20, 27, 38, 0.98));
    color: rgba(245, 244, 240, 0.9);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(180px, 0.7fr) minmax(180px, 0.7fr);
    gap: 28px;
    align-items: start;
}

.footer-name {
    font-size: 1.7rem;
    color: rgba(248, 246, 242, 0.96);
}

.footer-summary {
    margin: 14px 0 0;
    max-width: 48ch;
    color: var(--text-on-dark-soft);
}

.footer-column {
    display: grid;
    gap: 14px;
}

.footer-title {
    color: rgba(225, 213, 196, 0.84);
}

.footer-links {
    display: grid;
    gap: 10px;
}

.footer-links a {
    color: rgba(243, 244, 247, 0.84);
    text-decoration: none;
    line-height: 1.45;
}

.footer-links a:hover,
.footer-links a:focus-visible {
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.footer-bottom {
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px 24px;
    color: rgba(220, 224, 230, 0.66);
    font-size: 0.92rem;
}

.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border-radius: 999px;
    background: linear-gradient(145deg, var(--brand), color-mix(in oklab, var(--wood) 24%, var(--brand) 76%));
    color: rgba(248, 247, 243, 0.95);
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition:
        opacity 180ms ease,
        transform 180ms ease;
    z-index: 50;
}

.back-to-top.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.reveal {
    opacity: 1;
    transform: translateY(0);
}

.has-js .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity 600ms ease,
        transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
}

.has-js .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

main section[id] {
    scroll-margin-top: 122px;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }

    .has-js .reveal,
    .reveal {
        opacity: 1;
        transform: none;
    }

    .back-to-top {
        transform: none;
    }
}

@media (max-width: 1180px) {
    .header-inner {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        padding: 18px 0;
    }

    .site-nav {
        order: 3;
        width: 100%;
    }

    .brand {
        flex-basis: auto;
    }

    .hero-new-grid {
        grid-template-columns: 1fr;
    }

    .products-grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .partners-row {
        grid-template-columns: repeat(4, 1fr);
    }

    .partners-slot:nth-child(5),
    .partners-slot:nth-child(6),
    .partners-slot:nth-child(7),
    .partners-slot:nth-child(8) {
        border-top: 1px solid var(--border);
    }

    .partners-slot:nth-child(4) {
        border-right: none;
    }

    .factory-gallery {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .topbar-inner {
        padding: 10px 0;
        align-items: flex-start;
        flex-direction: column;
    }

    .contact-grid,
    .footer-inner {
        grid-template-columns: 1fr;
    }

    .products-grid-3 {
        grid-template-columns: 1fr;
    }

    .products-grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .strengths-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .factory-gallery {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .quality-panel {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .company-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .company-facts {
        padding-left: 16px;
    }

    .hero-new-title {
        max-width: none;
        font-size: 36px;
    }
}

@media (max-width: 640px) {
    :root {
        --container: min(100vw - 28px, 1200px);
    }

    .section-new {
        padding: var(--space-2xl) 0;
    }

    .products-grid-4 {
        grid-template-columns: 1fr;
    }

    .quality-check-item {
        grid-template-columns: 44px 1fr;
        gap: 14px;
        padding: 14px 16px;
    }

    .quality-check-num {
        font-size: 24px;
    }

    .partners-row {
        grid-template-columns: repeat(3, 1fr);
    }

    .partners-slot {
        border-right: 1px solid var(--border);
    }

    .partners-slot:nth-child(3n) {
        border-right: none;
    }

    .partners-slot:nth-child(n + 4) {
        border-top: 1px solid var(--border);
    }

    .header-inner {
        min-height: auto;
    }

    .site-nav {
        gap: 10px 18px;
    }

    .brand {
        width: 100%;
        justify-content: center;
    }

    .brand-mark {
        width: 78px;
        height: 54px;
    }

    .brand-subtitle {
        white-space: normal;
    }

    .language-switcher {
        width: 100%;
        justify-content: center;
    }

    .lang-btn {
        flex: 1;
        min-width: 0;
    }

    .contact-form,
    .contact-channels {
        padding: 20px;
    }

    .strengths-grid {
        grid-template-columns: 1fr;
    }

    .hero-strip-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-row {
        grid-template-columns: 1fr;
    }
}

.faq-section .faq-head {
    max-width: 760px;
    margin-bottom: 36px;
}

.faq-section .faq-intro {
    color: var(--muted, #6b6f78);
    margin-top: 8px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 880px;
}

.faq-item {
    border: 1px solid rgba(34, 41, 54, 0.12);
    border-radius: 10px;
    background: #fff;
    overflow: hidden;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item[open] {
    border-color: rgba(34, 41, 54, 0.28);
    box-shadow: 0 4px 14px rgba(34, 41, 54, 0.06);
}

.faq-item summary {
    cursor: pointer;
    list-style: none;
    padding: 18px 22px;
    font-weight: 600;
    font-size: 1rem;
    color: #222936;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    font-weight: 400;
    font-size: 1.4rem;
    line-height: 1;
    color: #6b6f78;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.faq-item[open] summary::after {
    content: "−";
}

.faq-item summary:hover {
    color: #000;
}

.faq-item p {
    padding: 0 22px 20px;
    margin: 0;
    color: #4a4f5a;
    line-height: 1.7;
}